From 39bcca196fb07c8f78cc56612727932546f934a2 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 30 Jun 2025 17:49:27 +0900
Subject: [PATCH 01/65] update launch script path & remove duplicate

We should use only one launch script. Managing both is extra un-necessary overhead
---
 local_node.sh                 |  86 ++++++++++----------
 tests/solidity/init-node.sh   | 143 ----------------------------------
 tests/solidity/test-helper.js |  11 ++-
 3 files changed, 51 insertions(+), 189 deletions(-)
 delete mode 100755 tests/solidity/init-node.sh

diff --git a/local_node.sh b/local_node.sh
index 97e26f46c..1ecfd82c1 100755
--- a/local_node.sh
+++ b/local_node.sh
@@ -10,15 +10,15 @@ KEYALGO="eth_secp256k1"
 
 LOGLEVEL="info"
 # Set dedicated home directory for the evmd instance
-HOMEDIR="$HOME/.evmd"
+CHAINDIR="$HOME/.evmd"
 
 BASEFEE=10000000
 
 # Path variables
-CONFIG=$HOMEDIR/config/config.toml
-APP_TOML=$HOMEDIR/config/app.toml
-GENESIS=$HOMEDIR/config/genesis.json
-TMP_GENESIS=$HOMEDIR/config/tmp_genesis.json
+CONFIG_TOML=$CHAINDIR/config/config.toml
+APP_TOML=$CHAINDIR/config/app.toml
+GENESIS=$CHAINDIR/config/genesis.json
+TMP_GENESIS=$CHAINDIR/config/tmp_genesis.json
 
 # validate dependencies are installed
 command -v jq >/dev/null 2>&1 || {
@@ -76,8 +76,8 @@ fi
 # User prompt if neither -y nor -n was passed as a flag
 # and an existing local node configuration is found.
 if [[ $overwrite = "" ]]; then
-	if [ -d "$HOMEDIR" ]; then
-		printf "\nAn existing folder at '%s' was found. You can choose to delete this folder and start a new local node with new keys from genesis. When declined, the existing local node is started. \n" "$HOMEDIR"
+	if [ -d "$CHAINDIR" ]; then
+		printf "\nAn existing folder at '%s' was found. You can choose to delete this folder and start a new local node with new keys from genesis. When declined, the existing local node is started. \n" "$CHAINDIR"
 		echo "Overwrite the existing configuration and start a new local node? [y/n]"
 		read -r overwrite
 	else
@@ -88,11 +88,11 @@ fi
 # Setup local node if overwrite is set to Yes, otherwise skip setup
 if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	# Remove the previous folder
-	rm -rf "$HOMEDIR"
+	rm -rf "$CHAINDIR"
 
 	# Set client config
-	evmd config set client chain-id "$CHAINID" --home "$HOMEDIR"
-	evmd config set client keyring-backend "$KEYRING" --home "$HOMEDIR"
+	evmd config set client chain-id "$CHAINID" --home "$CHAINDIR"
+	evmd config set client keyring-backend "$KEYRING" --home "$CHAINDIR"
 
 	# myKey address 0x7cb61d4117ae31a12e393a1cfa3bac666481d02e | os10jmp6sgh4cc6zt3e8gw05wavvejgr5pwjnpcky
 	VAL_KEY="mykey"
@@ -115,14 +115,14 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	USER4_MNEMONIC="doll midnight silk carpet brush boring pluck office gown inquiry duck chief aim exit gain never tennis crime fragile ship cloud surface exotic patch"
 
 	# Import keys from mnemonics
-	echo "$VAL_MNEMONIC" | evmd keys add "$VAL_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
-	echo "$USER1_MNEMONIC" | evmd keys add "$USER1_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
-	echo "$USER2_MNEMONIC" | evmd keys add "$USER2_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
-	echo "$USER3_MNEMONIC" | evmd keys add "$USER3_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
-	echo "$USER4_MNEMONIC" | evmd keys add "$USER4_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$HOMEDIR"
+	echo "$VAL_MNEMONIC" | evmd keys add "$VAL_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
+	echo "$USER1_MNEMONIC" | evmd keys add "$USER1_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
+	echo "$USER2_MNEMONIC" | evmd keys add "$USER2_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
+	echo "$USER3_MNEMONIC" | evmd keys add "$USER3_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
+	echo "$USER4_MNEMONIC" | evmd keys add "$USER4_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
 
 	# Set moniker and chain-id for the example chain (Moniker can be anything, chain-id must be an integer)
-	evmd init $MONIKER -o --chain-id "$CHAINID" --home "$HOMEDIR"
+	evmd init $MONIKER -o --chain-id "$CHAINID" --home "$CHAINDIR"
 
 	# Change parameter token denominations to desired value
 	jq '.app_state["staking"]["params"]["bond_denom"]="atest"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
@@ -150,34 +150,34 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 
 	if [[ $1 == "pending" ]]; then
 		if [[ "$OSTYPE" == "darwin"* ]]; then
-			sed -i '' 's/timeout_propose = "3s"/timeout_propose = "30s"/g' "$CONFIG"
-			sed -i '' 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "5s"/g' "$CONFIG"
-			sed -i '' 's/timeout_prevote = "1s"/timeout_prevote = "10s"/g' "$CONFIG"
-			sed -i '' 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "5s"/g' "$CONFIG"
-			sed -i '' 's/timeout_precommit = "1s"/timeout_precommit = "10s"/g' "$CONFIG"
-			sed -i '' 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "5s"/g' "$CONFIG"
-			sed -i '' 's/timeout_commit = "5s"/timeout_commit = "150s"/g' "$CONFIG"
-			sed -i '' 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "150s"/g' "$CONFIG"
+			sed -i '' 's/timeout_propose = "3s"/timeout_propose = "30s"/g' "$CONFIG_TOML"
+			sed -i '' 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "5s"/g' "$CONFIG_TOML"
+			sed -i '' 's/timeout_prevote = "1s"/timeout_prevote = "10s"/g' "$CONFIG_TOML"
+			sed -i '' 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "5s"/g' "$CONFIG_TOML"
+			sed -i '' 's/timeout_precommit = "1s"/timeout_precommit = "10s"/g' "$CONFIG_TOML"
+			sed -i '' 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "5s"/g' "$CONFIG_TOML"
+			sed -i '' 's/timeout_commit = "5s"/timeout_commit = "150s"/g' "$CONFIG_TOML"
+			sed -i '' 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "150s"/g' "$CONFIG_TOML"
 		else
-			sed -i 's/timeout_propose = "3s"/timeout_propose = "30s"/g' "$CONFIG"
-			sed -i 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "5s"/g' "$CONFIG"
-			sed -i 's/timeout_prevote = "1s"/timeout_prevote = "10s"/g' "$CONFIG"
-			sed -i 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "5s"/g' "$CONFIG"
-			sed -i 's/timeout_precommit = "1s"/timeout_precommit = "10s"/g' "$CONFIG"
-			sed -i 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "5s"/g' "$CONFIG"
-			sed -i 's/timeout_commit = "5s"/timeout_commit = "150s"/g' "$CONFIG"
-			sed -i 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "150s"/g' "$CONFIG"
+			sed -i 's/timeout_propose = "3s"/timeout_propose = "30s"/g' "$CONFIG_TOML"
+			sed -i 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "5s"/g' "$CONFIG_TOML"
+			sed -i 's/timeout_prevote = "1s"/timeout_prevote = "10s"/g' "$CONFIG_TOML"
+			sed -i 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "5s"/g' "$CONFIG_TOML"
+			sed -i 's/timeout_precommit = "1s"/timeout_precommit = "10s"/g' "$CONFIG_TOML"
+			sed -i 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "5s"/g' "$CONFIG_TOML"
+			sed -i 's/timeout_commit = "5s"/timeout_commit = "150s"/g' "$CONFIG_TOML"
+			sed -i 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "150s"/g' "$CONFIG_TOML"
 		fi
 	fi
 
 	# enable prometheus metrics and all APIs for dev node
 	if [[ "$OSTYPE" == "darwin"* ]]; then
-		sed -i '' 's/prometheus = false/prometheus = true/' "$CONFIG"
+		sed -i '' 's/prometheus = false/prometheus = true/' "$CONFIG_TOML"
 		sed -i '' 's/prometheus-retention-time = 0/prometheus-retention-time  = 1000000000000/g' "$APP_TOML"
 		sed -i '' 's/enabled = false/enabled = true/g' "$APP_TOML"
 		sed -i '' 's/enable = false/enable = true/g' "$APP_TOML"
 	else
-		sed -i 's/prometheus = false/prometheus = true/' "$CONFIG"
+		sed -i 's/prometheus = false/prometheus = true/' "$CONFIG_TOML"
 		sed -i 's/prometheus-retention-time  = "0"/prometheus-retention-time  = "1000000000000"/g' "$APP_TOML"
 		sed -i 's/enabled = false/enabled = true/g' "$APP_TOML"
 		sed -i 's/enable = false/enable = true/g' "$APP_TOML"
@@ -194,14 +194,14 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	sed -i.bak 's/pruning-interval = "0"/pruning-interval = "10"/g' "$APP_TOML"
 
 	# Allocate genesis accounts (cosmos formatted addresses)
-	evmd genesis add-genesis-account "$VAL_KEY" 100000000000000000000000000atest --keyring-backend "$KEYRING" --home "$HOMEDIR"
-	evmd genesis add-genesis-account "$USER1_KEY" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$HOMEDIR"
-	evmd genesis add-genesis-account "$USER2_KEY" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$HOMEDIR"
-	evmd genesis add-genesis-account "$USER3_KEY" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$HOMEDIR"
-	evmd genesis add-genesis-account "$USER4_KEY" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$HOMEDIR"
+	evmd genesis add-genesis-account "$VAL_KEY" 100000000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
+	evmd genesis add-genesis-account "$USER1_KEY" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
+	evmd genesis add-genesis-account "$USER2_KEY" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
+	evmd genesis add-genesis-account "$USER3_KEY" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
+	evmd genesis add-genesis-account "$USER4_KEY" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
 
 	# Sign genesis transaction
-	evmd genesis gentx "$VAL_KEY" 1000000000000000000000atest --gas-prices ${BASEFEE}atest --keyring-backend "$KEYRING" --chain-id "$CHAINID" --home "$HOMEDIR"
+	evmd genesis gentx "$VAL_KEY" 1000000000000000000000atest --gas-prices ${BASEFEE}atest --keyring-backend "$KEYRING" --chain-id "$CHAINID" --home "$CHAINDIR"
 	## In case you want to create multiple validators at genesis
 	## 1. Back to `evmd keys add` step, init more keys
 	## 2. Back to `evmd add-genesis-account` step, add balance for those
@@ -210,10 +210,10 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	## 5. Copy the `gentx-*` folders under `~/.clonedOsd/config/gentx/` folders into the original `~/.evmd/config/gentx`
 
 	# Collect genesis tx
-	evmd genesis collect-gentxs --home "$HOMEDIR"
+	evmd genesis collect-gentxs --home "$CHAINDIR"
 
 	# Run this to ensure everything worked and that the genesis file is setup correctly
-	evmd genesis validate-genesis --home "$HOMEDIR"
+	evmd genesis validate-genesis --home "$CHAINDIR"
 
 	if [[ $1 == "pending" ]]; then
 		echo "pending mode is on, please wait for the first block committed."
@@ -224,6 +224,6 @@ fi
 evmd start "$TRACE" \
 	--log_level $LOGLEVEL \
 	--minimum-gas-prices=0.0001atest \
-	--home "$HOMEDIR" \
+	--home "$CHAINDIR" \
 	--json-rpc.api eth,txpool,personal,net,debug,web3 \
 	--chain-id "$CHAINID"
diff --git a/tests/solidity/init-node.sh b/tests/solidity/init-node.sh
deleted file mode 100755
index dbac28974..000000000
--- a/tests/solidity/init-node.sh
+++ /dev/null
@@ -1,143 +0,0 @@
-#!/bin/bash
-
-# TODO: remove this script and just use the local node script for it, add flag to start node in given directory
-
-CHAINID="${CHAIN_ID:-cosmos_262144-1}"
-MONIKER="localtestnet"
-KEYRING="test"          # remember to change to other types of keyring like 'file' in-case exposing to outside world, otherwise your balance will be wiped quickly. The keyring test does not require private key to steal tokens from you
-KEYALGO="eth_secp256k1" #gitleaks:allow
-LOGLEVEL="info"
-# to trace evm
-#TRACE="--trace"
-TRACE=""
-PRUNING="default"
-#PRUNING="custom"
-
-CHAINDIR="$HOME/.tmp-evmd-solidity-tests" # TODO: make configurable like chain id
-GENESIS="$CHAINDIR/config/genesis.json"
-TMP_GENESIS="$CHAINDIR/config/tmp_genesis.json"
-APP_TOML="$CHAINDIR/config/app.toml"
-CONFIG_TOML="$CHAINDIR/config/config.toml"
-
-# make sure to reset chain directory before test
-rm -rf "$CHAINDIR"
-
-# validate dependencies are installed
-command -v jq >/dev/null 2>&1 || {
-	echo >&2 "jq not installed. More info: https://stedolan.github.io/jq/download/"
-	exit 1
-}
-
-# used to exit on first error (any non-zero exit code)
-set -e
-
-# feemarket params basefee
-BASEFEE=1000000000
-
-# Set client config
-evmd config set client chain-id "$CHAINID" --home "$CHAINDIR"
-evmd config set client keyring-backend "$KEYRING" --home "$CHAINDIR"
-
-# myKey address 0x7cb61d4117ae31a12e393a1cfa3bac666481d02e
-VAL_KEY="mykey"
-VAL_MNEMONIC="gesture inject test cycle original hollow east ridge hen combine junk child bacon zero hope comfort vacuum milk pitch cage oppose unhappy lunar seat"
-
-# user1 address 0xc6fe5d33615a1c52c08018c47e8bc53646a0e101
-USER1_KEY="user1"
-USER1_MNEMONIC="copper push brief egg scan entry inform record adjust fossil boss egg comic alien upon aspect dry avoid interest fury window hint race symptom"
-
-# user2 address 0x963ebdf2e1f8db8707d05fc75bfeffba1b5bac17
-USER2_KEY="user2"
-USER2_MNEMONIC="maximum display century economy unlock van census kite error heart snow filter midnight usage egg venture cash kick motor survey drastic edge muffin visual"
-
-# user3 address 0x40a0cb1C63e026A81B55EE1308586E21eec1eFa9
-USER3_KEY="user3"
-USER3_MNEMONIC="will wear settle write dance topic tape sea glory hotel oppose rebel client problem era video gossip glide during yard balance cancel file rose"
-
-# user4 address 0x498B5AeC5D439b733dC2F58AB489783A23FB26dA
-USER4_KEY="user4"
-USER4_MNEMONIC="doll midnight silk carpet brush boring pluck office gown inquiry duck chief aim exit gain never tennis crime fragile ship cloud surface exotic patch"
-
-# Import keys from mnemonics
-echo "$VAL_MNEMONIC" | evmd keys add "$VAL_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
-echo "$USER1_MNEMONIC" | evmd keys add "$USER1_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
-echo "$USER2_MNEMONIC" | evmd keys add "$USER2_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
-echo "$USER3_MNEMONIC" | evmd keys add "$USER3_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
-echo "$USER4_MNEMONIC" | evmd keys add "$USER4_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
-
-# Set moniker and chain-id for Cosmos EVM (Moniker can be anything, chain-id must be an integer)
-evmd init "$MONIKER" --chain-id "$CHAINID" --home "$CHAINDIR"
-
-# Change parameter token denominations to atest
-jq '.app_state["staking"]["params"]["bond_denom"]="atest"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
-jq '.app_state["gov"]["deposit_params"]["min_deposit"][0]["denom"]="atest"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
-jq '.app_state["gov"]["params"]["min_deposit"][0]["denom"]="atest"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
-jq '.app_state["evm"]["params"]["evm_denom"]="atest"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
-jq '.app_state["mint"]["params"]["mint_denom"]="atest"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
-
-# Enable precompiles in EVM params
-jq '.app_state["evm"]["params"]["active_static_precompiles"]=["0x0000000000000000000000000000000000000100","0x0000000000000000000000000000000000000400","0x0000000000000000000000000000000000000800","0x0000000000000000000000000000000000000801","0x0000000000000000000000000000000000000802","0x0000000000000000000000000000000000000803","0x0000000000000000000000000000000000000804"]' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
-
-# Change proposal periods to pass within a reasonable time for local testing
-sed -i.bak 's/"max_deposit_period": "172800s"/"max_deposit_period": "30s"/g' "$GENESIS"
-sed -i.bak 's/"voting_period": "172800s"/"voting_period": "30s"/g' "$GENESIS"
-sed -i.bak 's/"expedited_voting_period": "86400s"/"expedited_voting_period": "15s"/g' "$GENESIS"
-
-# Set gas limit in genesis
-jq '.consensus_params.block.max_gas="10000000"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
-
-# Set base fee in genesis
-jq '.app_state["feemarket"]["params"]["base_fee"]="'${BASEFEE}'"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
-
-# disable produce empty block
-sed -i.bak 's/create_empty_blocks = true/create_empty_blocks = false/g' "$CONFIG_TOML"
-
-# Allocate genesis accounts (cosmos formatted addresses)
-evmd genesis add-genesis-account "$(evmd keys show "$VAL_KEY" -a --keyring-backend "$KEYRING" --home "$CHAINDIR")" 100000000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
-evmd genesis add-genesis-account "$(evmd keys show "$USER1_KEY" -a --keyring-backend "$KEYRING" --home "$CHAINDIR")" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
-evmd genesis add-genesis-account "$(evmd keys show "$USER2_KEY" -a --keyring-backend "$KEYRING" --home "$CHAINDIR")" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
-evmd genesis add-genesis-account "$(evmd keys show "$USER3_KEY" -a --keyring-backend "$KEYRING" --home "$CHAINDIR")" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
-evmd genesis add-genesis-account "$(evmd keys show "$USER4_KEY" -a --keyring-backend "$KEYRING" --home "$CHAINDIR")" 1000000000000000000000atest --keyring-backend "$KEYRING" --home "$CHAINDIR"
-
-# set custom pruning settings
-if [ "$PRUNING" = "custom" ]; then
-	sed -i.bak 's/pruning = "default"/pruning = "custom"/g' "$APP_TOML"
-	sed -i.bak 's/pruning-keep-recent = "0"/pruning-keep-recent = "2"/g' "$APP_TOML"
-	sed -i.bak 's/pruning-interval = "0"/pruning-interval = "10"/g' "$APP_TOML"
-fi
-
-# make sure the localhost IP is 0.0.0.0
-sed -i.bak 's/localhost/0.0.0.0/g' "$CONFIG_TOML"
-sed -i.bak 's/127.0.0.1/0.0.0.0/g' "$APP_TOML"
-
-# use timeout_commit 1s to make test faster
-sed -i.bak 's/timeout_commit = "3s"/timeout_commit = "1s"/g' "$CONFIG_TOML"
-
-# Sign genesis transaction
-evmd genesis gentx "$VAL_KEY" 1000000000000000000000atest --gas-prices ${BASEFEE}atest --keyring-backend "$KEYRING" --chain-id "$CHAINID" --home "$CHAINDIR"
-## In case you want to create multiple validators at genesis
-## 1. Back to `evmd keys add` step, init more keys
-## 2. Back to `evmd add-genesis-account` step, add balance for those
-## 3. Clone this ~/.evmd home directory into some others, let's say `~/.clonedosd`
-## 4. Run `gentx` in each of those folders
-## 5. Copy the `gentx-*` folders under `~/.clonedosd/config/gentx/` folders into the original `~/.evmd/config/gentx`
-
-# Enable the APIs for the tests to be successful
-sed -i.bak 's/enable = false/enable = true/g' "$APP_TOML"
-
-# Don't enable memiavl by default
-grep -q -F '[memiavl]' "$APP_TOML" && sed -i.bak '/\[memiavl\]/,/^\[/ s/enable = true/enable = false/' "$APP_TOML"
-
-# Collect genesis tx
-evmd genesis collect-gentxs --home "$CHAINDIR"
-
-# Run this to ensure everything worked and that the genesis file is setup correctly
-evmd genesis validate-genesis --home "$CHAINDIR"
-
-# Start the node
-evmd start "$TRACE" \
-	--log_level $LOGLEVEL \
-	--minimum-gas-prices=0.0001utest \
-	--json-rpc.api eth,txpool,personal,net,debug,web3 \
-	--chain-id "$CHAINID" \
-	--home "$CHAINDIR"
diff --git a/tests/solidity/test-helper.js b/tests/solidity/test-helper.js
index da4265aaa..c24855092 100644
--- a/tests/solidity/test-helper.js
+++ b/tests/solidity/test-helper.js
@@ -313,16 +313,21 @@ function setupNetwork ({ runConfig, timeout }) {
     const serverStartedLog = 'Starting JSON-RPC server'
     const serverStartedMsg = 'evmd started'
 
-    const osdProc = spawn('./init-node.sh', {
-      cwd: __dirname,
-      stdio: ['ignore', 'pipe', 'pipe']
+    const rootDir = path.resolve(__dirname, '..', '..');     // → ".../evm"
+    const scriptPath = path.join(rootDir, 'local_node.sh');  // → ".../evm/local_node.sh"
+
+    const osdProc = spawn(scriptPath, ['-y'], {
+      cwd: rootDir,
+      stdio: ['ignore', 'pipe', 'pipe'],  // <-- stdout/stderr streams
     })
 
     logger.info(`Starting evmd process... timeout: ${timeout}ms`)
     if (runConfig.verboseLog) {
       osdProc.stdout.pipe(process.stdout)
+      osdProc.stderr.pipe(process.stderr)
     }
 
+
     osdProc.stdout.on('data', (d) => {
       const oLine = d.toString()
       if (runConfig.verboseLog) {

From 3cdf48f98bd098ca93cb3ed279f3a3c0630e73c1 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 30 Jun 2025 17:56:55 +0900
Subject: [PATCH 02/65] chore: add private keys info in local_node.sh

---
 local_node.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/local_node.sh b/local_node.sh
index 1ecfd82c1..c064d500d 100755
--- a/local_node.sh
+++ b/local_node.sh
@@ -98,19 +98,23 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	VAL_KEY="mykey"
 	VAL_MNEMONIC="gesture inject test cycle original hollow east ridge hen combine junk child bacon zero hope comfort vacuum milk pitch cage oppose unhappy lunar seat"
 
-	# dev0 address 0xc6fe5d33615a1c52c08018c47e8bc53646a0e101 | os1cml96vmptgw99syqrrz8az79xer2pcgp84pdun
+	# dev0 address 0xC6Fe5D33615a1C52c08018c47E8Bc53646A0E101 | os1cml96vmptgw99syqrrz8az79xer2pcgp84pdun
+	# dev0's private key: 0x88cbead91aee890d27bf06e003ade3d4e952427e88f88d31d61d3ef5e5d54305
 	USER1_KEY="dev0"
 	USER1_MNEMONIC="copper push brief egg scan entry inform record adjust fossil boss egg comic alien upon aspect dry avoid interest fury window hint race symptom"
 
-	# dev1 address 0x963ebdf2e1f8db8707d05fc75bfeffba1b5bac17 | os1jcltmuhplrdcwp7stlr4hlhlhgd4htqh3a79sq
+	# dev1 address 0x963EBDf2e1f8DB8707D05FC75bfeFFBa1B5BaC17 | os1jcltmuhplrdcwp7stlr4hlhlhgd4htqh3a79sq
+	# dev1's private key: 0x741de4f8988ea941d3ff0287911ca4074e62b7d45c991a51186455366f10b544
 	USER2_KEY="dev1"
 	USER2_MNEMONIC="maximum display century economy unlock van census kite error heart snow filter midnight usage egg venture cash kick motor survey drastic edge muffin visual"
 
 	# dev2 address 0x40a0cb1C63e026A81B55EE1308586E21eec1eFa9 | os1gzsvk8rruqn2sx64acfsskrwy8hvrmafqkaze8
+	# dev2's private key: 0x3b7955d25189c99a7468192fcbc6429205c158834053ebe3f78f4512ab432db9
 	USER3_KEY="dev2"
 	USER3_MNEMONIC="will wear settle write dance topic tape sea glory hotel oppose rebel client problem era video gossip glide during yard balance cancel file rose"
 
 	# dev3 address 0x498B5AeC5D439b733dC2F58AB489783A23FB26dA | os1fx944mzagwdhx0wz7k9tfztc8g3lkfk6rrgv6l
+	# dev3's private key: 0x8a36c69d940a92fcea94b36d0f2928c7a0ee19a90073eda769693298dfa9603b
 	USER4_KEY="dev3"
 	USER4_MNEMONIC="doll midnight silk carpet brush boring pluck office gown inquiry duck chief aim exit gain never tennis crime fragile ship cloud surface exotic patch"
 

From 5e5d68a225af76dec3891ca457dd38faab766a64 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 30 Jun 2025 20:20:50 +0900
Subject: [PATCH 03/65] add bech32 and bank e2e tests

---
 .../suites/precompiles/test/bank/query.js     | 40 +++++++++++++++++++
 .../suites/precompiles/test/bech32/methods.js | 20 ++++++++++
 .../precompiles/test/{ => staking}/staking.js |  0
 3 files changed, 60 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/bank/query.js
 create mode 100644 tests/solidity/suites/precompiles/test/bech32/methods.js
 rename tests/solidity/suites/precompiles/test/{ => staking}/staking.js (100%)

diff --git a/tests/solidity/suites/precompiles/test/bank/query.js b/tests/solidity/suites/precompiles/test/bank/query.js
new file mode 100644
index 000000000..156bd9539
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/bank/query.js
@@ -0,0 +1,40 @@
+const hre = require('hardhat');
+const { expect } = require('chai');
+
+describe('Bank', function () {
+    it('query account balances', async function () {
+        const bank = await hre.ethers.getContractAt(
+            'IBank',
+            '0x0000000000000000000000000000000000000804'
+        );
+        const [signer] = await hre.ethers.getSigners();
+        const balances = await bank
+            .getFunction('balances')
+            .staticCall(signer.address);
+        console.log('Balances:', balances);
+        expect(balances.length).to.be.greaterThan(0);
+        expect(balances[0][0]).to.be.eq('0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE')
+        expect(balances[0].amount).to.be.a('bigint');
+    });
+
+    it('query total supply', async function () {
+        const bank = await hre.ethers.getContractAt(
+            'IBank',
+            '0x0000000000000000000000000000000000000804'
+        );
+        const supply = await bank.getFunction('totalSupply').staticCall();
+        console.log('Total supply length:', supply.length);
+        expect(supply.length).to.be.greaterThan(0);
+    });
+
+    it('query supply of WEVMOS', async function () {
+        const bank = await hre.ethers.getContractAt(
+            'IBank',
+            '0x0000000000000000000000000000000000000804'
+        );
+        const wevmos = '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE';
+        const supply = await bank.getFunction('supplyOf').staticCall(wevmos);
+        console.log('Native token supply:', supply.toString());
+        expect(supply).to.be.a('bigint');
+    });
+});
\ No newline at end of file
diff --git a/tests/solidity/suites/precompiles/test/bech32/methods.js b/tests/solidity/suites/precompiles/test/bech32/methods.js
new file mode 100644
index 000000000..259996704
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/bech32/methods.js
@@ -0,0 +1,20 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+describe('Bech32', function () {
+    it('hex to bech32 and back', async function () {
+        const bech32 = await hre.ethers.getContractAt(
+            'Bech32I',
+            '0x0000000000000000000000000000000000000400'
+        );
+
+        const [signer] = await hre.ethers.getSigners();
+        const bech32Addr = await bech32.getFunction('hexToBech32').staticCall(
+            signer.address,
+            'cosmos'
+        );
+        const hexAddr = await bech32.getFunction('bech32ToHex').staticCall(bech32Addr);
+        console.log('Bech32:', bech32Addr, 'Hex:', hexAddr);
+        expect(hexAddr).to.equal(signer.address);
+    });
+});
\ No newline at end of file
diff --git a/tests/solidity/suites/precompiles/test/staking.js b/tests/solidity/suites/precompiles/test/staking/staking.js
similarity index 100%
rename from tests/solidity/suites/precompiles/test/staking.js
rename to tests/solidity/suites/precompiles/test/staking/staking.js

From 521cb75898675a7d18fd45d025daa0e9c011ed15 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 30 Jun 2025 21:14:38 +0900
Subject: [PATCH 04/65] add undelegate test

---
 .../precompiles/test/staking/undelegate.js    | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/staking/undelegate.js

diff --git a/tests/solidity/suites/precompiles/test/staking/undelegate.js b/tests/solidity/suites/precompiles/test/staking/undelegate.js
new file mode 100644
index 000000000..ed42195b6
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/staking/undelegate.js
@@ -0,0 +1,83 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+function formatUnbondingDelegation(res) {
+    const delegatorAddress = res[0];
+    const validatorAddress = res[1];
+    const rawEntries = res[2]; // This is an array of Result(6)
+
+    const entries = rawEntries.map(entry => {
+        const [
+            creationHeight,
+            completionTime,
+            initialBalance,
+            balance,
+            unbondingId,
+            unbondingOnHoldRefCount,
+        ] = entry;
+
+        return {
+            creationHeight: Number(creationHeight),
+            completionTime: Number(completionTime),
+            initialBalance: BigInt(initialBalance.toString()),
+            balance: BigInt(balance.toString()),
+            unbondingId: Number(unbondingId),
+            unbondingOnHoldRefCount: Number(unbondingOnHoldRefCount),
+        };
+    });
+
+    return {
+        delegatorAddress,
+        validatorAddress,
+        entries,
+    };
+}
+
+
+// Happy path for undelegate using staking precompile
+// This test delegates a small amount and then undelegates it
+
+describe('Staking - undelegate', function () {
+    it('should undelegate previously delegated tokens', async function () {
+        const valAddr = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql';
+        const amount = hre.ethers.parseEther('0.001');
+
+        const staking = await hre.ethers.getContractAt(
+            'StakingI',
+            '0x0000000000000000000000000000000000000800'
+        );
+
+        const [signer] = await hre.ethers.getSigners();
+
+        // Delegate
+        const tx = await staking
+            .connect(signer)
+            .delegate(signer.address, valAddr, amount);
+        const receipt = await tx.wait(2);
+        console.log('Delegate tx hash:', receipt.hash, 'gas:', receipt.gasUsed);
+
+        const before = await staking.unbondingDelegation(signer.address, valAddr);
+        const beforeUnbondingDelegation = formatUnbondingDelegation(before)
+        const numEntriesBefore = beforeUnbondingDelegation.entries.length;
+
+        // Undelegate immediately
+        const unTx = await staking
+            .connect(signer)
+            .undelegate(signer.address, valAddr, amount);
+        const unReceipt = await unTx.wait(2);
+        console.log('Undelegate tx hash:', unReceipt.hash, 'gas:', unReceipt.gasUsed);
+
+        const result = await staking.unbondingDelegation(signer.address, valAddr);
+        const unbondingDelegation = formatUnbondingDelegation(result)
+        console.log('Unbonding Delegation:', unbondingDelegation);
+        const numEntriesAfter = unbondingDelegation.entries.length;
+        expect(numEntriesAfter).to.equal(
+            numEntriesBefore + 1,
+            'Number of unbonding entries should increase by 1'
+        );
+        expect(unbondingDelegation.entries[0].balance).to.equal(
+            amount,
+            'Unbonding entry balance should match undelegated amount'
+        );
+    });
+});
\ No newline at end of file

From 700d0e441bc09dbf864f78f4e48843fd47e673ab Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 30 Jun 2025 21:14:56 +0900
Subject: [PATCH 05/65] faster local node and udpate delegate test

---
 local_node.sh                                 | 17 ++++++---
 .../precompiles/test/staking/delegate.js      | 35 +++++++++++++++++++
 .../precompiles/test/staking/staking.js       | 27 --------------
 3 files changed, 48 insertions(+), 31 deletions(-)
 create mode 100644 tests/solidity/suites/precompiles/test/staking/delegate.js
 delete mode 100644 tests/solidity/suites/precompiles/test/staking/staking.js

diff --git a/local_node.sh b/local_node.sh
index c064d500d..ad7860c28 100755
--- a/local_node.sh
+++ b/local_node.sh
@@ -99,22 +99,22 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	VAL_MNEMONIC="gesture inject test cycle original hollow east ridge hen combine junk child bacon zero hope comfort vacuum milk pitch cage oppose unhappy lunar seat"
 
 	# dev0 address 0xC6Fe5D33615a1C52c08018c47E8Bc53646A0E101 | os1cml96vmptgw99syqrrz8az79xer2pcgp84pdun
-	# dev0's private key: 0x88cbead91aee890d27bf06e003ade3d4e952427e88f88d31d61d3ef5e5d54305
+	# dev0's private key: 0x88cbead91aee890d27bf06e003ade3d4e952427e88f88d31d61d3ef5e5d54305 # gitleaks:allow
 	USER1_KEY="dev0"
 	USER1_MNEMONIC="copper push brief egg scan entry inform record adjust fossil boss egg comic alien upon aspect dry avoid interest fury window hint race symptom"
 
 	# dev1 address 0x963EBDf2e1f8DB8707D05FC75bfeFFBa1B5BaC17 | os1jcltmuhplrdcwp7stlr4hlhlhgd4htqh3a79sq
-	# dev1's private key: 0x741de4f8988ea941d3ff0287911ca4074e62b7d45c991a51186455366f10b544
+	# dev1's private key: 0x741de4f8988ea941d3ff0287911ca4074e62b7d45c991a51186455366f10b544 # gitleaks:allow
 	USER2_KEY="dev1"
 	USER2_MNEMONIC="maximum display century economy unlock van census kite error heart snow filter midnight usage egg venture cash kick motor survey drastic edge muffin visual"
 
 	# dev2 address 0x40a0cb1C63e026A81B55EE1308586E21eec1eFa9 | os1gzsvk8rruqn2sx64acfsskrwy8hvrmafqkaze8
-	# dev2's private key: 0x3b7955d25189c99a7468192fcbc6429205c158834053ebe3f78f4512ab432db9
+	# dev2's private key: 0x3b7955d25189c99a7468192fcbc6429205c158834053ebe3f78f4512ab432db9 # gitleaks:allow
 	USER3_KEY="dev2"
 	USER3_MNEMONIC="will wear settle write dance topic tape sea glory hotel oppose rebel client problem era video gossip glide during yard balance cancel file rose"
 
 	# dev3 address 0x498B5AeC5D439b733dC2F58AB489783A23FB26dA | os1fx944mzagwdhx0wz7k9tfztc8g3lkfk6rrgv6l
-	# dev3's private key: 0x8a36c69d940a92fcea94b36d0f2928c7a0ee19a90073eda769693298dfa9603b
+	# dev3's private key: 0x8a36c69d940a92fcea94b36d0f2928c7a0ee19a90073eda769693298dfa9603b # gitleaks:allow
 	USER4_KEY="dev3"
 	USER4_MNEMONIC="doll midnight silk carpet brush boring pluck office gown inquiry duck chief aim exit gain never tennis crime fragile ship cloud surface exotic patch"
 
@@ -152,6 +152,15 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	# Set gas limit in genesis
 	jq '.consensus.params.block.max_gas="10000000"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
 
+	sed -i '' 's/timeout_propose = "3s"/timeout_propose = "2s"/g' "$CONFIG_TOML"
+	sed -i '' 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "200ms"/g' "$CONFIG_TOML"
+	sed -i '' 's/timeout_prevote = "1s"/timeout_prevote = "500ms"/g' "$CONFIG_TOML"
+	sed -i '' 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "200ms"/g' "$CONFIG_TOML"
+	sed -i '' 's/timeout_precommit = "1s"/timeout_precommit = "500ms"/g' "$CONFIG_TOML"
+	sed -i '' 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "200ms"/g' "$CONFIG_TOML"
+	sed -i '' 's/timeout_commit = "5s"/timeout_commit = "1s"/g' "$CONFIG_TOML"
+	sed -i '' 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "5s"/g' "$CONFIG_TOML"
+
 	if [[ $1 == "pending" ]]; then
 		if [[ "$OSTYPE" == "darwin"* ]]; then
 			sed -i '' 's/timeout_propose = "3s"/timeout_propose = "30s"/g' "$CONFIG_TOML"
diff --git a/tests/solidity/suites/precompiles/test/staking/delegate.js b/tests/solidity/suites/precompiles/test/staking/delegate.js
new file mode 100644
index 000000000..813205314
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/staking/delegate.js
@@ -0,0 +1,35 @@
+const { expect } = require('chai')
+const hre = require('hardhat')
+
+describe('Staking', function () {
+  it('should stake ATOM to a validator', async function () {
+    const valAddr = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
+    const stakeAmount = hre.ethers.parseEther('0.001')
+
+    const staking = await hre.ethers.getContractAt(
+        'StakingI',
+        '0x0000000000000000000000000000000000000800'
+    )
+
+    const [signer] = await hre.ethers.getSigners()
+
+    // Query delegation before staking
+    const before = await staking.delegation(signer.address, valAddr)
+    const initial = before.balance.amount
+    console.log('Initial delegation:', initial.toString())
+
+    const tx = await staking
+        .connect(signer)
+        .delegate(signer.address, valAddr, stakeAmount)
+    const receipt = await tx.wait(2)
+    console.log('Delegate tx hash:', receipt.hash, 'gas used:', receipt.gasUsed)
+
+    // Query delegation after staking
+    const after = await staking.delegation(signer.address, valAddr)
+    console.log('Delegated amount:', after.balance.amount.toString())
+    expect(after.balance.amount).to.equal(
+        initial + stakeAmount,
+        'Delegation balance should increase by staked amount'
+    )
+  })
+})
\ No newline at end of file
diff --git a/tests/solidity/suites/precompiles/test/staking/staking.js b/tests/solidity/suites/precompiles/test/staking/staking.js
deleted file mode 100644
index 735c692bb..000000000
--- a/tests/solidity/suites/precompiles/test/staking/staking.js
+++ /dev/null
@@ -1,27 +0,0 @@
-const { expect } = require('chai')
-const hre = require('hardhat')
-
-describe('Staking', function () {
-  it('should stake ATOM to a validator', async function () {
-    const valAddr = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
-    const stakeAmount = hre.ethers.parseEther('0.001')
-
-    const staking = await hre.ethers.getContractAt(
-      'StakingI',
-      '0x0000000000000000000000000000000000000800'
-    )
-
-    const [signer] = await hre.ethers.getSigners()
-    const tx = await staking
-      .connect(signer)
-      .delegate(signer, valAddr, stakeAmount)
-    await tx.wait(1)
-
-    // Query delegation
-    const delegation = await staking.delegation(signer, valAddr)
-    expect(delegation.balance.amount).to.equal(
-      stakeAmount,
-      'Stake amount does not match'
-    )
-  })
-})

From 7730135a0bc99bf148dc41731afdde2ce02f05b1 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 1 Jul 2025 14:57:47 +0900
Subject: [PATCH 06/65] add create validator tc

---
 .../test/staking/create_validator.js          | 110 ++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/staking/create_validator.js

diff --git a/tests/solidity/suites/precompiles/test/staking/create_validator.js b/tests/solidity/suites/precompiles/test/staking/create_validator.js
new file mode 100644
index 000000000..7c5293fee
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/staking/create_validator.js
@@ -0,0 +1,110 @@
+const { expect } = require('chai')
+const hre = require('hardhat')
+
+describe('StakingI – createValidator with Bech32 operator address', function () {
+  const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
+  const BECH32_ADDRESS  = '0x0000000000000000000000000000000000000400'
+
+  let staking, bech32, signer
+
+  /**
+   * Convert the raw tuple from staking.validator(...)
+   * into an object that mirrors the Validator struct.
+   */
+  function parseValidator(raw) {
+    return {
+      operatorAddress:   raw[0],
+      consensusPubkey:   raw[1],
+      jailed:            raw[2],
+      status:            raw[3],
+      tokens:            raw[4],
+      delegatorShares:   raw[5],
+      description:       raw[6],
+      unbondingHeight:   raw[7],
+      unbondingTime:     raw[8],
+      commission:        raw[9],
+      minSelfDelegation: raw[10],
+    }
+  }
+
+  before(async () => {
+    [signer] = await hre.ethers.getSigners()
+
+    // Instantiate the StakingI precompile contract
+    staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
+    // Instantiate the Bech32I precompile contract for address conversion
+    bech32  = await hre.ethers.getContractAt('Bech32I',  BECH32_ADDRESS)
+  })
+
+  it('should create a validator successfully using a Bech32-encoded operator address', async function () {
+    // Define the validator’s descriptive metadata
+    const description = {
+      moniker:         'TestValidator',
+      identity:        'id123',
+      website:         'https://example.com',
+      securityContact: 'sec@example.com',
+      details:         'unit-test validator',
+    }
+
+    // Set initial commission parameters (18-decimal precision)
+    const commissionRates = {
+      rate:           hre.ethers.parseUnits('0.05', 18), // 5%
+      maxRate:        hre.ethers.parseUnits('0.20', 18), // 20%
+      maxChangeRate:  hre.ethers.parseUnits('0.01', 18), // 1%
+    }
+
+    // Configure the remaining createValidator arguments
+    const minSelfDelegation = 1
+    const pubkey            = 'nfJ0axJC9dhta1MAE1EBFaVdxxkYzxYrBaHuJVjG//M='
+    const deposit           = hre.ethers.parseEther('1') // self-delegate 1 native token
+
+    // Submit the createValidator transaction
+    const tx = await staking.connect(signer).createValidator(
+        description,
+        commissionRates,
+        minSelfDelegation,
+        signer.address,
+        pubkey,
+        deposit
+    )
+
+    // Wait for 2 confirmations and log the transaction hash
+    const receipt = await tx.wait(2)
+    console.log('Transaction hash:', receipt.transactionHash)
+
+    // Find and parse the CreateValidator event from the transaction logs
+    const parsed = receipt.logs
+        .map(log => {
+          try {
+            return staking.interface.parseLog(log)
+          } catch {
+            return null
+          }
+        })
+        .find(evt => evt && evt.name === 'CreateValidator')
+
+    expect(parsed, 'CreateValidator event must be emitted').to.exist
+    expect(parsed.args.validatorAddress).to.equal(signer.address)
+    expect(parsed.args.value).to.equal(deposit)
+
+    // Retrieve and log the on-chain Validator struct
+    const rawInfo = await staking.validator(signer.address)
+    console.log('Validator info:', rawInfo)
+
+    // Parse the raw tuple into a structured object
+    const info = parseValidator(rawInfo)
+
+    // Verify that each field matches the expected values
+    expect(info.operatorAddress.toLowerCase()).to.equal(signer.address.toLowerCase())
+    expect(info.consensusPubkey).to.equal(pubkey)
+    expect(info.jailed).to.be.false
+    expect(info.status).to.equal(3n)                      // BondStatus.Bonded === 3
+    expect(info.tokens).to.equal(deposit)
+    expect(info.delegatorShares).to.be.gt(0n)
+    expect(info.description).to.equal(description.details)
+    expect(info.unbondingHeight).to.equal(0n)
+    expect(info.unbondingTime).to.equal(0n)
+    expect(info.commission).to.equal(commissionRates.rate)
+    expect(info.minSelfDelegation).to.equal(BigInt(minSelfDelegation))
+  })
+})
\ No newline at end of file

From 66762f5ffdaf1b8fc337aa58cc2214b318b52462 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 1 Jul 2025 15:29:58 +0900
Subject: [PATCH 07/65] update delegate tc

include event checking also
---
 .../precompiles/test/staking/delegate.js      | 81 ++++++++++++++-----
 1 file changed, 60 insertions(+), 21 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/staking/delegate.js b/tests/solidity/suites/precompiles/test/staking/delegate.js
index 813205314..620fa81b4 100644
--- a/tests/solidity/suites/precompiles/test/staking/delegate.js
+++ b/tests/solidity/suites/precompiles/test/staking/delegate.js
@@ -1,35 +1,74 @@
 const { expect } = require('chai')
 const hre = require('hardhat')
 
-describe('Staking', function () {
-  it('should stake ATOM to a validator', async function () {
-    const valAddr = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
-    const stakeAmount = hre.ethers.parseEther('0.001')
-
-    const staking = await hre.ethers.getContractAt(
-        'StakingI',
-        '0x0000000000000000000000000000000000000800'
-    )
+describe('Staking – delegate with event assertion (gte & precision)', function () {
+  const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
+  const BECH32_ADDRESS  = '0x0000000000000000000000000000000000000400'
+
+  let staking, bech32, signer
+
+  before(async () => {
+    [signer] = await hre.ethers.getSigners()
+
+    // Instantiate the StakingI precompile
+    staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
+    // Instantiate the Bech32I precompile for address conversion
+    bech32  = await hre.ethers.getContractAt('Bech32I',  BECH32_ADDRESS)
+  })
+
+  it('should stake native coin and emit Delegate event (using precision-adjusted shares)', async function () {
+    const valBech32   = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
+    const stakeAmountBn = hre.ethers.parseEther('0.001')   // BigNumber
+    const stakeAmount   = BigInt(stakeAmountBn.toString())
 
-    const [signer] = await hre.ethers.getSigners()
+    // compute the expected shares minted = stakeAmount * 10^18
+    const precision   = 10n ** 18n
+    const stakeShares = stakeAmount * precision
+
+    const hexValAddr = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E'
 
     // Query delegation before staking
-    const before = await staking.delegation(signer.address, valAddr)
-    const initial = before.balance.amount
-    console.log('Initial delegation:', initial.toString())
+    const beforeDelegation         = await staking.delegation(signer.address, valBech32)
+    const initialBalance   = BigInt(beforeDelegation.balance.amount.toString())
+    const initialShares    = BigInt(beforeDelegation.shares.toString())
+    console.log('Initial delegation balance:', initialBalance.toString())
+    console.log('Initial delegation shares:', initialShares.toString())
+
 
+    // Send the delegate tx
     const tx = await staking
         .connect(signer)
-        .delegate(signer.address, valAddr, stakeAmount)
+        .delegate(signer.address, valBech32, stakeAmount)
     const receipt = await tx.wait(2)
-    console.log('Delegate tx hash:', receipt.hash, 'gas used:', receipt.gasUsed)
+    console.log('Delegate tx hash:', receipt.transactionHash, 'gas used:', receipt.gasUsed.toString())
+
+    // parse the Delegate event from logs
+    const delegateEvt = receipt.logs
+        .map(log => {
+          try { return staking.interface.parseLog(log) }
+          catch { return null }
+        })
+        .find(evt => evt && evt.name === 'Delegate')
+    expect(delegateEvt, 'Delegate event should be emitted').to.exist
+
+    // verify event args
+    expect(delegateEvt.args.delegatorAddress).to.equal(signer.address)
+    expect(delegateEvt.args.validatorAddress).to.equal(hexValAddr)
+    expect(BigInt(delegateEvt.args.amount.toString())).to.equal(stakeAmount)
+
+    // ensure newShares ≥ initialShares + stakeShares
+    const newShares = BigInt(delegateEvt.args.newShares.toString())
+    expect(newShares).to.be.equal(stakeShares)
 
     // Query delegation after staking
-    const after = await staking.delegation(signer.address, valAddr)
-    console.log('Delegated amount:', after.balance.amount.toString())
-    expect(after.balance.amount).to.equal(
-        initial + stakeAmount,
-        'Delegation balance should increase by staked amount'
+    const afterDelegation = await staking.delegation(signer.address, valBech32)
+    const afterBalance    = BigInt(afterDelegation.balance.amount.toString())
+    console.log('Delegated amount after staking:', afterBalance.toString())
+
+    // ensure on-chain balance increased by at least stakeAmount
+    expect(afterBalance).to.be.at.least(
+        initialBalance + stakeAmount,
+        'Delegation balance should increase by at least stakeAmount'
     )
   })
-})
\ No newline at end of file
+})

From 38c6b3eeba79d5ec98e47636717c1c91ce999357 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 1 Jul 2025 16:13:37 +0900
Subject: [PATCH 08/65] update test codes

added event checking to undelegate tc

receipt has hash field instead of transactionHash
---
 .../test/staking/create_validator.js          |   2 +-
 .../precompiles/test/staking/delegate.js      |   2 +-
 .../precompiles/test/staking/undelegate.js    | 146 +++++++++++-------
 3 files changed, 89 insertions(+), 61 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/staking/create_validator.js b/tests/solidity/suites/precompiles/test/staking/create_validator.js
index 7c5293fee..4985a3327 100644
--- a/tests/solidity/suites/precompiles/test/staking/create_validator.js
+++ b/tests/solidity/suites/precompiles/test/staking/create_validator.js
@@ -70,7 +70,7 @@ describe('StakingI – createValidator with Bech32 operator address', function (
 
     // Wait for 2 confirmations and log the transaction hash
     const receipt = await tx.wait(2)
-    console.log('Transaction hash:', receipt.transactionHash)
+    console.log('Transaction hash:', receipt.hash)
 
     // Find and parse the CreateValidator event from the transaction logs
     const parsed = receipt.logs
diff --git a/tests/solidity/suites/precompiles/test/staking/delegate.js b/tests/solidity/suites/precompiles/test/staking/delegate.js
index 620fa81b4..f762a34c9 100644
--- a/tests/solidity/suites/precompiles/test/staking/delegate.js
+++ b/tests/solidity/suites/precompiles/test/staking/delegate.js
@@ -40,7 +40,7 @@ describe('Staking – delegate with event assertion (gte & precision)', function
         .connect(signer)
         .delegate(signer.address, valBech32, stakeAmount)
     const receipt = await tx.wait(2)
-    console.log('Delegate tx hash:', receipt.transactionHash, 'gas used:', receipt.gasUsed.toString())
+    console.log('Delegate tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString())
 
     // parse the Delegate event from logs
     const delegateEvt = receipt.logs
diff --git a/tests/solidity/suites/precompiles/test/staking/undelegate.js b/tests/solidity/suites/precompiles/test/staking/undelegate.js
index ed42195b6..373c2dcce 100644
--- a/tests/solidity/suites/precompiles/test/staking/undelegate.js
+++ b/tests/solidity/suites/precompiles/test/staking/undelegate.js
@@ -1,10 +1,10 @@
-const { expect } = require('chai');
-const hre = require('hardhat');
+const { expect } = require('chai')
+const hre = require('hardhat')
 
 function formatUnbondingDelegation(res) {
-    const delegatorAddress = res[0];
-    const validatorAddress = res[1];
-    const rawEntries = res[2]; // This is an array of Result(6)
+    const delegatorAddress = res[0]
+    const validatorAddress = res[1]
+    const rawEntries = res[2] // array of Result(6)
 
     const entries = rawEntries.map(entry => {
         const [
@@ -14,70 +14,98 @@ function formatUnbondingDelegation(res) {
             balance,
             unbondingId,
             unbondingOnHoldRefCount,
-        ] = entry;
+        ] = entry
 
         return {
-            creationHeight: Number(creationHeight),
-            completionTime: Number(completionTime),
-            initialBalance: BigInt(initialBalance.toString()),
-            balance: BigInt(balance.toString()),
-            unbondingId: Number(unbondingId),
+            creationHeight:          Number(creationHeight),
+            completionTime:          Number(completionTime),
+            initialBalance:          BigInt(initialBalance.toString()),
+            balance:                 BigInt(balance.toString()),
+            unbondingId:             Number(unbondingId),
             unbondingOnHoldRefCount: Number(unbondingOnHoldRefCount),
-        };
-    });
+        }
+    })
 
     return {
         delegatorAddress,
         validatorAddress,
         entries,
-    };
+    }
 }
 
+describe('Staking – delegate and undelegate with event assertions', function () {
+    const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
 
-// Happy path for undelegate using staking precompile
-// This test delegates a small amount and then undelegates it
-
-describe('Staking - undelegate', function () {
-    it('should undelegate previously delegated tokens', async function () {
-        const valAddr = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql';
-        const amount = hre.ethers.parseEther('0.001');
-
-        const staking = await hre.ethers.getContractAt(
-            'StakingI',
-            '0x0000000000000000000000000000000000000800'
-        );
-
-        const [signer] = await hre.ethers.getSigners();
-
-        // Delegate
-        const tx = await staking
-            .connect(signer)
-            .delegate(signer.address, valAddr, amount);
-        const receipt = await tx.wait(2);
-        console.log('Delegate tx hash:', receipt.hash, 'gas:', receipt.gasUsed);
-
-        const before = await staking.unbondingDelegation(signer.address, valAddr);
-        const beforeUnbondingDelegation = formatUnbondingDelegation(before)
-        const numEntriesBefore = beforeUnbondingDelegation.entries.length;
-
-        // Undelegate immediately
-        const unTx = await staking
-            .connect(signer)
-            .undelegate(signer.address, valAddr, amount);
-        const unReceipt = await unTx.wait(2);
-        console.log('Undelegate tx hash:', unReceipt.hash, 'gas:', unReceipt.gasUsed);
-
-        const result = await staking.unbondingDelegation(signer.address, valAddr);
-        const unbondingDelegation = formatUnbondingDelegation(result)
-        console.log('Unbonding Delegation:', unbondingDelegation);
-        const numEntriesAfter = unbondingDelegation.entries.length;
-        expect(numEntriesAfter).to.equal(
-            numEntriesBefore + 1,
+    let staking, bech32, signer
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners()
+
+        // Instantiate precompile contracts
+        staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
+    })
+
+    it('should delegate then undelegate and emit correct events', async function () {
+        const valBech32 = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
+        const amount    = hre.ethers.parseEther('0.001')
+
+        // DELEGATE
+        const delegateTx      = await staking.connect(signer).delegate(signer.address, valBech32, amount)
+        const delegateReceipt = await delegateTx.wait(2)
+        console.log('Delegate tx hash:', delegateReceipt.hash, 'gas used:', delegateReceipt.gasUsed.toString())
+
+        const hexValAddr = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E'
+
+        // Parse and assert the Delegate event
+        const delegateEvt = delegateReceipt.logs
+            .map(log => {
+                try { return staking.interface.parseLog(log) }
+                catch { return null }
+            })
+            .find(evt => evt && evt.name === 'Delegate')
+        expect(delegateEvt, 'Delegate event should be emitted').to.exist
+        expect(delegateEvt.args.delegatorAddress).to.equal(signer.address)
+        expect(delegateEvt.args.validatorAddress).to.equal(hexValAddr)
+        expect(delegateEvt.args.amount).to.equal(amount)
+
+        // COUNT UNBONDING ENTRIES BEFORE
+        const beforeRaw        = await staking.unbondingDelegation(signer.address, valBech32)
+        const beforeUnbonding  = formatUnbondingDelegation(beforeRaw)
+        const entriesBefore    = beforeUnbonding.entries.length
+
+        // UNDELEGATE
+        const undelegateTx      = await staking.connect(signer).undelegate(signer.address, valBech32, amount)
+        const undelegateReceipt = await undelegateTx.wait(2)
+        console.log('Undelegate tx hash:', undelegateReceipt.hash, 'gas used:', undelegateReceipt.gasUsed.toString())
+
+        // Parse and assert the Unbond event
+        const unbondEvt = undelegateReceipt.logs
+            .map(log => {
+                try { return staking.interface.parseLog(log) }
+                catch { return null }
+            })
+            .find(evt => evt && evt.name === 'Unbond')
+        expect(unbondEvt, 'Unbond event should be emitted').to.exist
+        expect(unbondEvt.args.delegatorAddress).to.equal(signer.address)
+        expect(unbondEvt.args.validatorAddress).to.equal(hexValAddr)
+        expect(unbondEvt.args.amount).to.equal(amount)
+
+        // Assert that completionTime is a positive BigInt
+        const completionTime = BigInt(unbondEvt.args.completionTime.toString())
+        expect(completionTime > 0n, 'completionTime should be positive').to.be.true
+
+        // COUNT UNBONDING ENTRIES AFTER
+        const afterRaw       = await staking.unbondingDelegation(signer.address, valBech32)
+        const afterUnbonding = formatUnbondingDelegation(afterRaw)
+        const entriesAfter   = afterUnbonding.entries.length
+
+        expect(entriesAfter).to.equal(
+            entriesBefore + 1,
             'Number of unbonding entries should increase by 1'
-        );
-        expect(unbondingDelegation.entries[0].balance).to.equal(
-            amount,
+        )
+        expect(afterUnbonding.entries[0].balance).to.equal(
+            BigInt(amount.toString()),
             'Unbonding entry balance should match undelegated amount'
-        );
-    });
-});
\ No newline at end of file
+        )
+    })
+})

From f1f2222e7f0b39e11c7991c04fe20ef67c73e3bb Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 1 Jul 2025 16:15:59 +0900
Subject: [PATCH 09/65] chore: remove un-used variable

---
 tests/solidity/suites/precompiles/test/staking/undelegate.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/solidity/suites/precompiles/test/staking/undelegate.js b/tests/solidity/suites/precompiles/test/staking/undelegate.js
index 373c2dcce..bf94acb26 100644
--- a/tests/solidity/suites/precompiles/test/staking/undelegate.js
+++ b/tests/solidity/suites/precompiles/test/staking/undelegate.js
@@ -36,7 +36,7 @@ function formatUnbondingDelegation(res) {
 describe('Staking – delegate and undelegate with event assertions', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
 
-    let staking, bech32, signer
+    let staking, signer
 
     before(async () => {
         [signer] = await hre.ethers.getSigners()

From 59b0c5dfb26ac8c8c37abe7258f4a1208c3bca8d Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 1 Jul 2025 16:53:26 +0900
Subject: [PATCH 10/65] add edit validator tc

---
 ...idator.js => create_and_edit_validator.js} | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 rename tests/solidity/suites/precompiles/test/staking/{create_validator.js => create_and_edit_validator.js} (72%)

diff --git a/tests/solidity/suites/precompiles/test/staking/create_validator.js b/tests/solidity/suites/precompiles/test/staking/create_and_edit_validator.js
similarity index 72%
rename from tests/solidity/suites/precompiles/test/staking/create_validator.js
rename to tests/solidity/suites/precompiles/test/staking/create_and_edit_validator.js
index 4985a3327..99a89a7db 100644
--- a/tests/solidity/suites/precompiles/test/staking/create_validator.js
+++ b/tests/solidity/suites/precompiles/test/staking/create_and_edit_validator.js
@@ -106,5 +106,44 @@ describe('StakingI – createValidator with Bech32 operator address', function (
     expect(info.unbondingTime).to.equal(0n)
     expect(info.commission).to.equal(commissionRates.rate)
     expect(info.minSelfDelegation).to.equal(BigInt(minSelfDelegation))
+
+    // --- editValidator ---
+
+    // prepare edit parameters: only update 'details'
+    const updatedDetails    = 'updated unit-test validator'
+    const editDescription   = {
+      moniker:         '[do-not-modify]',
+      identity:        '[do-not-modify]',
+      website:         '[do-not-modify]',
+      securityContact: '[do-not-modify]',
+      details:         updatedDetails,
+    }
+    const DO_NOT_MODIFY = -1
+
+    // send editValidator tx
+    const editTx = await staking.connect(signer).editValidator(
+        editDescription,
+        signer.address,
+        DO_NOT_MODIFY,    // leave commissionRate unchanged
+        DO_NOT_MODIFY     // leave minSelfDelegation unchanged
+    )
+    const editReceipt = await editTx.wait(2)
+    console.log('EditValidator tx hash:', editTx.hash)
+
+    // parse EditValidator event
+    const editEvt = editReceipt.logs
+        .map(log => {
+          try { return staking.interface.parseLog(log) }
+          catch { return null }
+        })
+        .find(evt => evt && evt.name === 'EditValidator')
+    expect(editEvt, 'EditValidator event must be emitted').to.exist
+    expect(editEvt.args.validatorAddress).to.equal(signer.address)
+    expect(editEvt.args.commissionRate).to.equal(DO_NOT_MODIFY)
+    expect(editEvt.args.minSelfDelegation).to.equal(DO_NOT_MODIFY)
+
+    // verify on-chain state after edit
+    const updatedInfo = parseValidator(await staking.validator(signer.address))
+    expect(updatedInfo.description).to.equal(updatedDetails)
   })
 })
\ No newline at end of file

From 7ae0efb2ac6a078327f6e8b4b34132256b207d7f Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Wed, 2 Jul 2025 14:53:03 +0900
Subject: [PATCH 11/65] add cancel unbonding tc

---
 ...undelegate.js => undelegate_and_cancel.js} | 54 ++++++++++++++-----
 1 file changed, 40 insertions(+), 14 deletions(-)
 rename tests/solidity/suites/precompiles/test/staking/{undelegate.js => undelegate_and_cancel.js} (61%)

diff --git a/tests/solidity/suites/precompiles/test/staking/undelegate.js b/tests/solidity/suites/precompiles/test/staking/undelegate_and_cancel.js
similarity index 61%
rename from tests/solidity/suites/precompiles/test/staking/undelegate.js
rename to tests/solidity/suites/precompiles/test/staking/undelegate_and_cancel.js
index bf94acb26..be0da6eee 100644
--- a/tests/solidity/suites/precompiles/test/staking/undelegate.js
+++ b/tests/solidity/suites/precompiles/test/staking/undelegate_and_cancel.js
@@ -33,30 +33,27 @@ function formatUnbondingDelegation(res) {
     }
 }
 
-describe('Staking – delegate and undelegate with event assertions', function () {
+describe('Staking – delegate, undelegate & cancelUnbondingDelegation with event assertions', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
 
     let staking, signer
 
     before(async () => {
         [signer] = await hre.ethers.getSigners()
-
-        // Instantiate precompile contracts
+        // Instantiate the StakingI precompile contract
         staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
     })
 
-    it('should delegate then undelegate and emit correct events', async function () {
+    it('should delegate, undelegate, then cancel unbonding and emit correct events', async function () {
         const valBech32 = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
         const amount    = hre.ethers.parseEther('0.001')
 
         // DELEGATE
         const delegateTx      = await staking.connect(signer).delegate(signer.address, valBech32, amount)
         const delegateReceipt = await delegateTx.wait(2)
-        console.log('Delegate tx hash:', delegateReceipt.hash, 'gas used:', delegateReceipt.gasUsed.toString())
+        console.log('Delegate tx hash:', delegateTx.hash, 'gas used:', delegateReceipt.gasUsed.toString())
 
         const hexValAddr = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E'
-
-        // Parse and assert the Delegate event
         const delegateEvt = delegateReceipt.logs
             .map(log => {
                 try { return staking.interface.parseLog(log) }
@@ -69,16 +66,14 @@ describe('Staking – delegate and undelegate with event assertions', function (
         expect(delegateEvt.args.amount).to.equal(amount)
 
         // COUNT UNBONDING ENTRIES BEFORE
-        const beforeRaw        = await staking.unbondingDelegation(signer.address, valBech32)
-        const beforeUnbonding  = formatUnbondingDelegation(beforeRaw)
-        const entriesBefore    = beforeUnbonding.entries.length
+        const beforeRaw       = await staking.unbondingDelegation(signer.address, valBech32)
+        const entriesBefore   = formatUnbondingDelegation(beforeRaw).entries.length
 
         // UNDELEGATE
         const undelegateTx      = await staking.connect(signer).undelegate(signer.address, valBech32, amount)
         const undelegateReceipt = await undelegateTx.wait(2)
-        console.log('Undelegate tx hash:', undelegateReceipt.hash, 'gas used:', undelegateReceipt.gasUsed.toString())
+        console.log('Undelegate tx hash:', undelegateTx.hash, 'gas used:', undelegateReceipt.gasUsed.toString())
 
-        // Parse and assert the Unbond event
         const unbondEvt = undelegateReceipt.logs
             .map(log => {
                 try { return staking.interface.parseLog(log) }
@@ -89,14 +84,13 @@ describe('Staking – delegate and undelegate with event assertions', function (
         expect(unbondEvt.args.delegatorAddress).to.equal(signer.address)
         expect(unbondEvt.args.validatorAddress).to.equal(hexValAddr)
         expect(unbondEvt.args.amount).to.equal(amount)
-
-        // Assert that completionTime is a positive BigInt
         const completionTime = BigInt(unbondEvt.args.completionTime.toString())
         expect(completionTime > 0n, 'completionTime should be positive').to.be.true
 
         // COUNT UNBONDING ENTRIES AFTER
         const afterRaw       = await staking.unbondingDelegation(signer.address, valBech32)
         const afterUnbonding = formatUnbondingDelegation(afterRaw)
+        console.log('Unbonding Delegation:', afterUnbonding)
         const entriesAfter   = afterUnbonding.entries.length
 
         expect(entriesAfter).to.equal(
@@ -107,5 +101,37 @@ describe('Staking – delegate and undelegate with event assertions', function (
             BigInt(amount.toString()),
             'Unbonding entry balance should match undelegated amount'
         )
+
+        // CANCEL UNBONDING DELEGATION
+        const entryToCancel = afterUnbonding.entries[0]
+        const cancelTx      = await staking.connect(signer).cancelUnbondingDelegation(
+            signer.address,
+            valBech32,
+            amount,
+            entryToCancel.creationHeight
+        )
+        const cancelReceipt = await cancelTx.wait(2)
+        console.log('CancelUnbondingDelegation tx hash:', cancelTx.hash, 'gas used:', cancelReceipt.gasUsed.toString())
+
+        const cancelEvt = cancelReceipt.logs
+            .map(log => {
+                try { return staking.interface.parseLog(log) }
+                catch { return null }
+            })
+            .find(evt => evt && evt.name === 'CancelUnbondingDelegation')
+        expect(cancelEvt, 'CancelUnbondingDelegation event should be emitted').to.exist
+        expect(cancelEvt.args.delegatorAddress).to.equal(signer.address)
+        expect(cancelEvt.args.validatorAddress).to.equal(hexValAddr)
+        expect(cancelEvt.args.amount).to.equal(amount)
+        expect(cancelEvt.args.creationHeight).to.equal(entryToCancel.creationHeight)
+
+        // VERIFY ENTRY REMOVAL
+        const finalRaw     = await staking.unbondingDelegation(signer.address, valBech32)
+        const finalEntries = formatUnbondingDelegation(finalRaw).entries.length
+        console.log('Unbonding Delegation after cancel:', finalRaw)
+        expect(finalEntries).to.equal(
+            entriesBefore,
+            'Number of unbonding entries should return to original count after cancellation'
+        )
     })
 })

From e9f5d6312bb892580f2900f41c60718f903bd2c8 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Wed, 2 Jul 2025 15:13:32 +0900
Subject: [PATCH 12/65] chore: format test files

---
 .../suites/precompiles/test/bech32/methods.js |   2 +-
 .../staking/1_create_and_edit_validator.js    | 152 ++++++++++++++++++
 .../precompiles/test/staking/2_delegate.js    |  77 +++++++++
 ...d_cancel.js => 3_undelegate_and_cancel.js} |  51 +++---
 .../test/staking/create_and_edit_validator.js | 149 -----------------
 .../precompiles/test/staking/delegate.js      |  74 ---------
 6 files changed, 260 insertions(+), 245 deletions(-)
 create mode 100644 tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
 create mode 100644 tests/solidity/suites/precompiles/test/staking/2_delegate.js
 rename tests/solidity/suites/precompiles/test/staking/{undelegate_and_cancel.js => 3_undelegate_and_cancel.js} (75%)
 delete mode 100644 tests/solidity/suites/precompiles/test/staking/create_and_edit_validator.js
 delete mode 100644 tests/solidity/suites/precompiles/test/staking/delegate.js

diff --git a/tests/solidity/suites/precompiles/test/bech32/methods.js b/tests/solidity/suites/precompiles/test/bech32/methods.js
index 259996704..687a9864e 100644
--- a/tests/solidity/suites/precompiles/test/bech32/methods.js
+++ b/tests/solidity/suites/precompiles/test/bech32/methods.js
@@ -1,4 +1,4 @@
-const { expect } = require('chai');
+const {expect} = require('chai');
 const hre = require('hardhat');
 
 describe('Bech32', function () {
diff --git a/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js b/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
new file mode 100644
index 000000000..58890e94f
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
@@ -0,0 +1,152 @@
+const {expect} = require('chai')
+const hre = require('hardhat')
+
+describe('StakingI – createValidator with Bech32 operator address', function () {
+    const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
+    const BECH32_ADDRESS = '0x0000000000000000000000000000000000000400'
+
+    let staking, bech32, signer
+
+    /**
+     * Convert the raw tuple from staking.validator(...)
+     * into an object that mirrors the Validator struct.
+     */
+    function parseValidator(raw) {
+        return {
+            operatorAddress: raw[0],
+            consensusPubkey: raw[1],
+            jailed: raw[2],
+            status: raw[3],
+            tokens: raw[4],
+            delegatorShares: raw[5],
+            description: raw[6],
+            unbondingHeight: raw[7],
+            unbondingTime: raw[8],
+            commission: raw[9],
+            minSelfDelegation: raw[10],
+        }
+    }
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners()
+
+        // Instantiate the StakingI precompile contract
+        staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
+        // Instantiate the Bech32I precompile contract for address conversion
+        bech32 = await hre.ethers.getContractAt('Bech32I', BECH32_ADDRESS)
+    })
+
+    it('should create a validator successfully using a Bech32-encoded operator address', async function () {
+        // Define the validator’s descriptive metadata
+        const description = {
+            moniker: 'TestValidator',
+            identity: 'id123',
+            website: 'https://example.com',
+            securityContact: 'sec@example.com',
+            details: 'unit-test validator',
+        }
+
+        // Set initial commission parameters (18-decimal precision)
+        const commissionRates = {
+            rate: hre.ethers.parseUnits('0.05', 18), // 5%
+            maxRate: hre.ethers.parseUnits('0.20', 18), // 20%
+            maxChangeRate: hre.ethers.parseUnits('0.01', 18), // 1%
+        }
+
+        // Configure the remaining createValidator arguments
+        const minSelfDelegation = 1
+        const pubkey = 'nfJ0axJC9dhta1MAE1EBFaVdxxkYzxYrBaHuJVjG//M='
+        const deposit = hre.ethers.parseEther('1') // self-delegate 1 native token
+
+        // Submit the createValidator transaction
+        const tx = await staking.connect(signer).createValidator(
+            description,
+            commissionRates,
+            minSelfDelegation,
+            signer.address,
+            pubkey,
+            deposit
+        )
+
+        // Wait for 2 confirmations and log the transaction hash
+        const receipt = await tx.wait(2)
+        console.log('Transaction hash:', receipt.hash)
+
+        // Find and parse the CreateValidator event from the transaction logs
+        const parsed = receipt.logs
+            .map(log => {
+                try {
+                    return staking.interface.parseLog(log)
+                } catch {
+                    return null
+                }
+            })
+            .find(evt => evt && evt.name === 'CreateValidator')
+
+        expect(parsed, 'CreateValidator event must be emitted').to.exist
+        expect(parsed.args.validatorAddress).to.equal(signer.address)
+        expect(parsed.args.value).to.equal(deposit)
+
+        // Retrieve and log the on-chain Validator struct
+        const rawInfo = await staking.validator(signer.address)
+        console.log('Validator info:', rawInfo)
+
+        // Parse the raw tuple into a structured object
+        const info = parseValidator(rawInfo)
+
+        // Verify that each field matches the expected values
+        expect(info.operatorAddress.toLowerCase()).to.equal(signer.address.toLowerCase())
+        expect(info.consensusPubkey).to.equal(pubkey)
+        expect(info.jailed).to.be.false
+        expect(info.status).to.equal(3n)                      // BondStatus.Bonded === 3
+        expect(info.tokens).to.equal(deposit)
+        expect(info.delegatorShares).to.be.gt(0n)
+        expect(info.description).to.equal(description.details)
+        expect(info.unbondingHeight).to.equal(0n)
+        expect(info.unbondingTime).to.equal(0n)
+        expect(info.commission).to.equal(commissionRates.rate)
+        expect(info.minSelfDelegation).to.equal(BigInt(minSelfDelegation))
+
+        // --- editValidator ---
+
+        // prepare edit parameters: only update 'details'
+        const updatedDetails = 'updated unit-test validator'
+        const editDescription = {
+            moniker: '[do-not-modify]',
+            identity: '[do-not-modify]',
+            website: '[do-not-modify]',
+            securityContact: '[do-not-modify]',
+            details: updatedDetails,
+        }
+        const DO_NOT_MODIFY = -1
+
+        // send editValidator tx
+        const editTx = await staking.connect(signer).editValidator(
+            editDescription,
+            signer.address,
+            DO_NOT_MODIFY,    // leave commissionRate unchanged
+            DO_NOT_MODIFY     // leave minSelfDelegation unchanged
+        )
+        const editReceipt = await editTx.wait(2)
+        console.log('EditValidator tx hash:', editTx.hash)
+
+        // parse EditValidator event
+        const editEvt = editReceipt.logs
+            .map(log => {
+                try {
+                    return staking.interface.parseLog(log)
+                } catch {
+                    return null
+                }
+            })
+            .find(evt => evt && evt.name === 'EditValidator')
+        expect(editEvt, 'EditValidator event must be emitted').to.exist
+        expect(editEvt.args.validatorAddress).to.equal(signer.address)
+        expect(editEvt.args.commissionRate).to.equal(DO_NOT_MODIFY)
+        expect(editEvt.args.minSelfDelegation).to.equal(DO_NOT_MODIFY)
+
+        // verify on-chain state after edit
+        const updatedInfo = parseValidator(await staking.validator(signer.address))
+        expect(updatedInfo.description).to.equal(updatedDetails)
+    })
+})
\ No newline at end of file
diff --git a/tests/solidity/suites/precompiles/test/staking/2_delegate.js b/tests/solidity/suites/precompiles/test/staking/2_delegate.js
new file mode 100644
index 000000000..e51485ac4
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/staking/2_delegate.js
@@ -0,0 +1,77 @@
+const {expect} = require('chai')
+const hre = require('hardhat')
+
+describe('Staking – delegate with event assertion (gte & precision)', function () {
+    const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
+    const BECH32_ADDRESS = '0x0000000000000000000000000000000000000400'
+
+    let staking, bech32, signer
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners()
+
+        // Instantiate the StakingI precompile
+        staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
+        // Instantiate the Bech32I precompile for address conversion
+        bech32 = await hre.ethers.getContractAt('Bech32I', BECH32_ADDRESS)
+    })
+
+    it('should stake native coin and emit Delegate event (using precision-adjusted shares)', async function () {
+        const valBech32 = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
+        const stakeAmountBn = hre.ethers.parseEther('0.001')   // BigNumber
+        const stakeAmount = BigInt(stakeAmountBn.toString())
+
+        // compute the expected shares minted = stakeAmount * 10^18
+        const precision = 10n ** 18n
+        const stakeShares = stakeAmount * precision
+
+        const hexValAddr = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E'
+
+        // Query delegation before staking
+        const beforeDelegation = await staking.delegation(signer.address, valBech32)
+        const initialBalance = BigInt(beforeDelegation.balance.amount.toString())
+        const initialShares = BigInt(beforeDelegation.shares.toString())
+        console.log('Initial delegation balance:', initialBalance.toString())
+        console.log('Initial delegation shares:', initialShares.toString())
+
+
+        // Send the delegate tx
+        const tx = await staking
+            .connect(signer)
+            .delegate(signer.address, valBech32, stakeAmount)
+        const receipt = await tx.wait(2)
+        console.log('Delegate tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString())
+
+        // parse the Delegate event from logs
+        const delegateEvt = receipt.logs
+            .map(log => {
+                try {
+                    return staking.interface.parseLog(log)
+                } catch {
+                    return null
+                }
+            })
+            .find(evt => evt && evt.name === 'Delegate')
+        expect(delegateEvt, 'Delegate event should be emitted').to.exist
+
+        // verify event args
+        expect(delegateEvt.args.delegatorAddress).to.equal(signer.address)
+        expect(delegateEvt.args.validatorAddress).to.equal(hexValAddr)
+        expect(BigInt(delegateEvt.args.amount.toString())).to.equal(stakeAmount)
+
+        // ensure newShares ≥ initialShares + stakeShares
+        const newShares = BigInt(delegateEvt.args.newShares.toString())
+        expect(newShares).to.be.equal(stakeShares)
+
+        // Query delegation after staking
+        const afterDelegation = await staking.delegation(signer.address, valBech32)
+        const afterBalance = BigInt(afterDelegation.balance.amount.toString())
+        console.log('Delegated amount after staking:', afterBalance.toString())
+
+        // ensure on-chain balance increased by at least stakeAmount
+        expect(afterBalance).to.be.at.least(
+            initialBalance + stakeAmount,
+            'Delegation balance should increase by at least stakeAmount'
+        )
+    })
+})
diff --git a/tests/solidity/suites/precompiles/test/staking/undelegate_and_cancel.js b/tests/solidity/suites/precompiles/test/staking/3_undelegate_and_cancel.js
similarity index 75%
rename from tests/solidity/suites/precompiles/test/staking/undelegate_and_cancel.js
rename to tests/solidity/suites/precompiles/test/staking/3_undelegate_and_cancel.js
index be0da6eee..88bb61976 100644
--- a/tests/solidity/suites/precompiles/test/staking/undelegate_and_cancel.js
+++ b/tests/solidity/suites/precompiles/test/staking/3_undelegate_and_cancel.js
@@ -1,4 +1,4 @@
-const { expect } = require('chai')
+const {expect} = require('chai')
 const hre = require('hardhat')
 
 function formatUnbondingDelegation(res) {
@@ -17,11 +17,11 @@ function formatUnbondingDelegation(res) {
         ] = entry
 
         return {
-            creationHeight:          Number(creationHeight),
-            completionTime:          Number(completionTime),
-            initialBalance:          BigInt(initialBalance.toString()),
-            balance:                 BigInt(balance.toString()),
-            unbondingId:             Number(unbondingId),
+            creationHeight: Number(creationHeight),
+            completionTime: Number(completionTime),
+            initialBalance: BigInt(initialBalance.toString()),
+            balance: BigInt(balance.toString()),
+            unbondingId: Number(unbondingId),
             unbondingOnHoldRefCount: Number(unbondingOnHoldRefCount),
         }
     })
@@ -46,18 +46,21 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
 
     it('should delegate, undelegate, then cancel unbonding and emit correct events', async function () {
         const valBech32 = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
-        const amount    = hre.ethers.parseEther('0.001')
+        const amount = hre.ethers.parseEther('0.001')
 
         // DELEGATE
-        const delegateTx      = await staking.connect(signer).delegate(signer.address, valBech32, amount)
+        const delegateTx = await staking.connect(signer).delegate(signer.address, valBech32, amount)
         const delegateReceipt = await delegateTx.wait(2)
         console.log('Delegate tx hash:', delegateTx.hash, 'gas used:', delegateReceipt.gasUsed.toString())
 
         const hexValAddr = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E'
         const delegateEvt = delegateReceipt.logs
             .map(log => {
-                try { return staking.interface.parseLog(log) }
-                catch { return null }
+                try {
+                    return staking.interface.parseLog(log)
+                } catch {
+                    return null
+                }
             })
             .find(evt => evt && evt.name === 'Delegate')
         expect(delegateEvt, 'Delegate event should be emitted').to.exist
@@ -66,18 +69,21 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         expect(delegateEvt.args.amount).to.equal(amount)
 
         // COUNT UNBONDING ENTRIES BEFORE
-        const beforeRaw       = await staking.unbondingDelegation(signer.address, valBech32)
-        const entriesBefore   = formatUnbondingDelegation(beforeRaw).entries.length
+        const beforeRaw = await staking.unbondingDelegation(signer.address, valBech32)
+        const entriesBefore = formatUnbondingDelegation(beforeRaw).entries.length
 
         // UNDELEGATE
-        const undelegateTx      = await staking.connect(signer).undelegate(signer.address, valBech32, amount)
+        const undelegateTx = await staking.connect(signer).undelegate(signer.address, valBech32, amount)
         const undelegateReceipt = await undelegateTx.wait(2)
         console.log('Undelegate tx hash:', undelegateTx.hash, 'gas used:', undelegateReceipt.gasUsed.toString())
 
         const unbondEvt = undelegateReceipt.logs
             .map(log => {
-                try { return staking.interface.parseLog(log) }
-                catch { return null }
+                try {
+                    return staking.interface.parseLog(log)
+                } catch {
+                    return null
+                }
             })
             .find(evt => evt && evt.name === 'Unbond')
         expect(unbondEvt, 'Unbond event should be emitted').to.exist
@@ -88,10 +94,10 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         expect(completionTime > 0n, 'completionTime should be positive').to.be.true
 
         // COUNT UNBONDING ENTRIES AFTER
-        const afterRaw       = await staking.unbondingDelegation(signer.address, valBech32)
+        const afterRaw = await staking.unbondingDelegation(signer.address, valBech32)
         const afterUnbonding = formatUnbondingDelegation(afterRaw)
         console.log('Unbonding Delegation:', afterUnbonding)
-        const entriesAfter   = afterUnbonding.entries.length
+        const entriesAfter = afterUnbonding.entries.length
 
         expect(entriesAfter).to.equal(
             entriesBefore + 1,
@@ -104,7 +110,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
 
         // CANCEL UNBONDING DELEGATION
         const entryToCancel = afterUnbonding.entries[0]
-        const cancelTx      = await staking.connect(signer).cancelUnbondingDelegation(
+        const cancelTx = await staking.connect(signer).cancelUnbondingDelegation(
             signer.address,
             valBech32,
             amount,
@@ -115,8 +121,11 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
 
         const cancelEvt = cancelReceipt.logs
             .map(log => {
-                try { return staking.interface.parseLog(log) }
-                catch { return null }
+                try {
+                    return staking.interface.parseLog(log)
+                } catch {
+                    return null
+                }
             })
             .find(evt => evt && evt.name === 'CancelUnbondingDelegation')
         expect(cancelEvt, 'CancelUnbondingDelegation event should be emitted').to.exist
@@ -126,7 +135,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         expect(cancelEvt.args.creationHeight).to.equal(entryToCancel.creationHeight)
 
         // VERIFY ENTRY REMOVAL
-        const finalRaw     = await staking.unbondingDelegation(signer.address, valBech32)
+        const finalRaw = await staking.unbondingDelegation(signer.address, valBech32)
         const finalEntries = formatUnbondingDelegation(finalRaw).entries.length
         console.log('Unbonding Delegation after cancel:', finalRaw)
         expect(finalEntries).to.equal(
diff --git a/tests/solidity/suites/precompiles/test/staking/create_and_edit_validator.js b/tests/solidity/suites/precompiles/test/staking/create_and_edit_validator.js
deleted file mode 100644
index 99a89a7db..000000000
--- a/tests/solidity/suites/precompiles/test/staking/create_and_edit_validator.js
+++ /dev/null
@@ -1,149 +0,0 @@
-const { expect } = require('chai')
-const hre = require('hardhat')
-
-describe('StakingI – createValidator with Bech32 operator address', function () {
-  const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
-  const BECH32_ADDRESS  = '0x0000000000000000000000000000000000000400'
-
-  let staking, bech32, signer
-
-  /**
-   * Convert the raw tuple from staking.validator(...)
-   * into an object that mirrors the Validator struct.
-   */
-  function parseValidator(raw) {
-    return {
-      operatorAddress:   raw[0],
-      consensusPubkey:   raw[1],
-      jailed:            raw[2],
-      status:            raw[3],
-      tokens:            raw[4],
-      delegatorShares:   raw[5],
-      description:       raw[6],
-      unbondingHeight:   raw[7],
-      unbondingTime:     raw[8],
-      commission:        raw[9],
-      minSelfDelegation: raw[10],
-    }
-  }
-
-  before(async () => {
-    [signer] = await hre.ethers.getSigners()
-
-    // Instantiate the StakingI precompile contract
-    staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
-    // Instantiate the Bech32I precompile contract for address conversion
-    bech32  = await hre.ethers.getContractAt('Bech32I',  BECH32_ADDRESS)
-  })
-
-  it('should create a validator successfully using a Bech32-encoded operator address', async function () {
-    // Define the validator’s descriptive metadata
-    const description = {
-      moniker:         'TestValidator',
-      identity:        'id123',
-      website:         'https://example.com',
-      securityContact: 'sec@example.com',
-      details:         'unit-test validator',
-    }
-
-    // Set initial commission parameters (18-decimal precision)
-    const commissionRates = {
-      rate:           hre.ethers.parseUnits('0.05', 18), // 5%
-      maxRate:        hre.ethers.parseUnits('0.20', 18), // 20%
-      maxChangeRate:  hre.ethers.parseUnits('0.01', 18), // 1%
-    }
-
-    // Configure the remaining createValidator arguments
-    const minSelfDelegation = 1
-    const pubkey            = 'nfJ0axJC9dhta1MAE1EBFaVdxxkYzxYrBaHuJVjG//M='
-    const deposit           = hre.ethers.parseEther('1') // self-delegate 1 native token
-
-    // Submit the createValidator transaction
-    const tx = await staking.connect(signer).createValidator(
-        description,
-        commissionRates,
-        minSelfDelegation,
-        signer.address,
-        pubkey,
-        deposit
-    )
-
-    // Wait for 2 confirmations and log the transaction hash
-    const receipt = await tx.wait(2)
-    console.log('Transaction hash:', receipt.hash)
-
-    // Find and parse the CreateValidator event from the transaction logs
-    const parsed = receipt.logs
-        .map(log => {
-          try {
-            return staking.interface.parseLog(log)
-          } catch {
-            return null
-          }
-        })
-        .find(evt => evt && evt.name === 'CreateValidator')
-
-    expect(parsed, 'CreateValidator event must be emitted').to.exist
-    expect(parsed.args.validatorAddress).to.equal(signer.address)
-    expect(parsed.args.value).to.equal(deposit)
-
-    // Retrieve and log the on-chain Validator struct
-    const rawInfo = await staking.validator(signer.address)
-    console.log('Validator info:', rawInfo)
-
-    // Parse the raw tuple into a structured object
-    const info = parseValidator(rawInfo)
-
-    // Verify that each field matches the expected values
-    expect(info.operatorAddress.toLowerCase()).to.equal(signer.address.toLowerCase())
-    expect(info.consensusPubkey).to.equal(pubkey)
-    expect(info.jailed).to.be.false
-    expect(info.status).to.equal(3n)                      // BondStatus.Bonded === 3
-    expect(info.tokens).to.equal(deposit)
-    expect(info.delegatorShares).to.be.gt(0n)
-    expect(info.description).to.equal(description.details)
-    expect(info.unbondingHeight).to.equal(0n)
-    expect(info.unbondingTime).to.equal(0n)
-    expect(info.commission).to.equal(commissionRates.rate)
-    expect(info.minSelfDelegation).to.equal(BigInt(minSelfDelegation))
-
-    // --- editValidator ---
-
-    // prepare edit parameters: only update 'details'
-    const updatedDetails    = 'updated unit-test validator'
-    const editDescription   = {
-      moniker:         '[do-not-modify]',
-      identity:        '[do-not-modify]',
-      website:         '[do-not-modify]',
-      securityContact: '[do-not-modify]',
-      details:         updatedDetails,
-    }
-    const DO_NOT_MODIFY = -1
-
-    // send editValidator tx
-    const editTx = await staking.connect(signer).editValidator(
-        editDescription,
-        signer.address,
-        DO_NOT_MODIFY,    // leave commissionRate unchanged
-        DO_NOT_MODIFY     // leave minSelfDelegation unchanged
-    )
-    const editReceipt = await editTx.wait(2)
-    console.log('EditValidator tx hash:', editTx.hash)
-
-    // parse EditValidator event
-    const editEvt = editReceipt.logs
-        .map(log => {
-          try { return staking.interface.parseLog(log) }
-          catch { return null }
-        })
-        .find(evt => evt && evt.name === 'EditValidator')
-    expect(editEvt, 'EditValidator event must be emitted').to.exist
-    expect(editEvt.args.validatorAddress).to.equal(signer.address)
-    expect(editEvt.args.commissionRate).to.equal(DO_NOT_MODIFY)
-    expect(editEvt.args.minSelfDelegation).to.equal(DO_NOT_MODIFY)
-
-    // verify on-chain state after edit
-    const updatedInfo = parseValidator(await staking.validator(signer.address))
-    expect(updatedInfo.description).to.equal(updatedDetails)
-  })
-})
\ No newline at end of file
diff --git a/tests/solidity/suites/precompiles/test/staking/delegate.js b/tests/solidity/suites/precompiles/test/staking/delegate.js
deleted file mode 100644
index f762a34c9..000000000
--- a/tests/solidity/suites/precompiles/test/staking/delegate.js
+++ /dev/null
@@ -1,74 +0,0 @@
-const { expect } = require('chai')
-const hre = require('hardhat')
-
-describe('Staking – delegate with event assertion (gte & precision)', function () {
-  const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
-  const BECH32_ADDRESS  = '0x0000000000000000000000000000000000000400'
-
-  let staking, bech32, signer
-
-  before(async () => {
-    [signer] = await hre.ethers.getSigners()
-
-    // Instantiate the StakingI precompile
-    staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
-    // Instantiate the Bech32I precompile for address conversion
-    bech32  = await hre.ethers.getContractAt('Bech32I',  BECH32_ADDRESS)
-  })
-
-  it('should stake native coin and emit Delegate event (using precision-adjusted shares)', async function () {
-    const valBech32   = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
-    const stakeAmountBn = hre.ethers.parseEther('0.001')   // BigNumber
-    const stakeAmount   = BigInt(stakeAmountBn.toString())
-
-    // compute the expected shares minted = stakeAmount * 10^18
-    const precision   = 10n ** 18n
-    const stakeShares = stakeAmount * precision
-
-    const hexValAddr = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E'
-
-    // Query delegation before staking
-    const beforeDelegation         = await staking.delegation(signer.address, valBech32)
-    const initialBalance   = BigInt(beforeDelegation.balance.amount.toString())
-    const initialShares    = BigInt(beforeDelegation.shares.toString())
-    console.log('Initial delegation balance:', initialBalance.toString())
-    console.log('Initial delegation shares:', initialShares.toString())
-
-
-    // Send the delegate tx
-    const tx = await staking
-        .connect(signer)
-        .delegate(signer.address, valBech32, stakeAmount)
-    const receipt = await tx.wait(2)
-    console.log('Delegate tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString())
-
-    // parse the Delegate event from logs
-    const delegateEvt = receipt.logs
-        .map(log => {
-          try { return staking.interface.parseLog(log) }
-          catch { return null }
-        })
-        .find(evt => evt && evt.name === 'Delegate')
-    expect(delegateEvt, 'Delegate event should be emitted').to.exist
-
-    // verify event args
-    expect(delegateEvt.args.delegatorAddress).to.equal(signer.address)
-    expect(delegateEvt.args.validatorAddress).to.equal(hexValAddr)
-    expect(BigInt(delegateEvt.args.amount.toString())).to.equal(stakeAmount)
-
-    // ensure newShares ≥ initialShares + stakeShares
-    const newShares = BigInt(delegateEvt.args.newShares.toString())
-    expect(newShares).to.be.equal(stakeShares)
-
-    // Query delegation after staking
-    const afterDelegation = await staking.delegation(signer.address, valBech32)
-    const afterBalance    = BigInt(afterDelegation.balance.amount.toString())
-    console.log('Delegated amount after staking:', afterBalance.toString())
-
-    // ensure on-chain balance increased by at least stakeAmount
-    expect(afterBalance).to.be.at.least(
-        initialBalance + stakeAmount,
-        'Delegation balance should increase by at least stakeAmount'
-    )
-  })
-})

From bd816d35ff16e57a676a556921d2c707bd4ba599 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Wed, 2 Jul 2025 15:44:00 +0900
Subject: [PATCH 13/65] add redelegate tc

---
 .../suites/precompiles/test/bank/query.js     |   2 +-
 .../precompiles/test/staking/4_redelegate.js  | 108 ++++++++++++++++++
 2 files changed, 109 insertions(+), 1 deletion(-)
 create mode 100644 tests/solidity/suites/precompiles/test/staking/4_redelegate.js

diff --git a/tests/solidity/suites/precompiles/test/bank/query.js b/tests/solidity/suites/precompiles/test/bank/query.js
index 156bd9539..664c587e5 100644
--- a/tests/solidity/suites/precompiles/test/bank/query.js
+++ b/tests/solidity/suites/precompiles/test/bank/query.js
@@ -1,5 +1,5 @@
 const hre = require('hardhat');
-const { expect } = require('chai');
+const {expect} = require('chai');
 
 describe('Bank', function () {
     it('query account balances', async function () {
diff --git a/tests/solidity/suites/precompiles/test/staking/4_redelegate.js b/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
new file mode 100644
index 000000000..f0662940f
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
@@ -0,0 +1,108 @@
+const {expect} = require('chai')
+const hre = require('hardhat')
+
+/**
+ * Convert the raw tuple from staking.redelegation(...)
+ * into an object that mirrors the RedelegationOutput struct.
+ */
+function formatRedelegation(res) {
+    const delegatorAddress = res[0]
+    const validatorSrcAddress = res[1]
+    const validatorDstAddress = res[2]
+    const rawEntries = res[3] // array of RedelegationEntry
+
+    const entries = rawEntries.map(entry => {
+        const [
+            creationHeight,
+            completionTime,
+            initialBalance,
+            sharesDst,
+        ] = entry
+
+        return {
+            creationHeight: Number(creationHeight),
+            completionTime: Number(completionTime),
+            initialBalance: BigInt(initialBalance.toString()),
+            sharesDst: BigInt(sharesDst.toString()),
+        }
+    })
+
+    return {
+        delegatorAddress,
+        validatorSrcAddress,
+        validatorDstAddress,
+        entries,
+    }
+}
+
+describe('Staking – redelegate with event and state assertions', function () {
+    const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
+
+    let staking, bech32, signer
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners()
+        // instantiate StakingI and Bech32I precompile contracts
+        staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
+    })
+
+    it('should redelegate tokens and emit Redelegate event', async function () {
+        const srcValBech32 = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
+        const dstValBech32 = 'cosmosvaloper1cml96vmptgw99syqrrz8az79xer2pcgpqqyk2g'
+
+        // decode bech32 → hex for event comparisons
+        const srcValHex = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E'
+        const dstValHex = '0xC6Fe5D33615a1C52c08018c47E8Bc53646A0E101'
+
+        // 1) query current delegation to source validator
+        const beforeDelegation = await staking.delegation(signer.address, srcValBech32)
+        const amount = beforeDelegation.balance.amount
+        console.log('Current delegation to srcVal:', amount.toString())
+
+        // 2) query redelegation entries before
+        const beforeRaw = await staking.redelegation(signer.address, srcValBech32, dstValBech32)
+        const beforeR = formatRedelegation(beforeRaw)
+        const entriesBefore = beforeR.entries.length
+
+        // 3) send the redelegate transaction
+        const tx = await staking
+            .connect(signer)
+            .redelegate(signer.address, srcValBech32, dstValBech32, amount)
+        const receipt = await tx.wait(2)
+        console.log('Redelegate tx hash:', tx.hash, 'gas used:', receipt.gasUsed.toString())
+
+        // 4) parse and assert the Redelegate event
+        const redelegateEvt = receipt.logs
+            .map(log => {
+                try {
+                    return staking.interface.parseLog(log)
+                } catch {
+                    return null
+                }
+            })
+            .find(evt => evt && evt.name === 'Redelegate')
+        expect(redelegateEvt, 'Redelegate event should be emitted').to.exist
+        expect(redelegateEvt.args.delegatorAddress).to.equal(signer.address)
+        expect(redelegateEvt.args.validatorSrcAddress).to.equal(srcValHex)
+        expect(redelegateEvt.args.validatorDstAddress).to.equal(dstValHex)
+        expect(redelegateEvt.args.amount).to.equal(amount)
+        const completionTime = BigInt(redelegateEvt.args.completionTime.toString())
+        expect(completionTime > 0n, 'completionTime should be positive').to.be.true
+
+        // 5) query redelegation state after
+        const afterRaw = await staking.redelegation(signer.address, srcValBech32, dstValBech32)
+        const afterR = formatRedelegation(afterRaw)
+        const entriesAfter = afterR.entries.length
+
+        // Assert that a new redelegation entry was created
+        expect(entriesAfter).to.equal(
+            entriesBefore + 1,
+            'Number of redelegation entries should increase by 1'
+        )
+        // Assert that the latest entry initialBalance matches the redelegated amount
+        expect(afterR.entries[0].initialBalance).to.equal(
+            BigInt(amount.toString()),
+            'Redelegation entry initialBalance should match redelegated amount'
+        )
+    })
+})

From 3e7f78f036d8893cce9ed5e6f7f7b4ce3e4d7d3d Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 3 Jul 2025 00:28:49 +0900
Subject: [PATCH 14/65] skip gas estimation for faster tests

---
 .../test/staking/1_create_and_edit_validator.js           | 7 +++++--
 .../suites/precompiles/test/staking/2_delegate.js         | 3 ++-
 .../precompiles/test/staking/3_undelegate_and_cancel.js   | 8 +++++---
 .../suites/precompiles/test/staking/4_redelegate.js       | 3 ++-
 4 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js b/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
index 58890e94f..6746de2cc 100644
--- a/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
+++ b/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
@@ -4,6 +4,7 @@ const hre = require('hardhat')
 describe('StakingI – createValidator with Bech32 operator address', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
     const BECH32_ADDRESS = '0x0000000000000000000000000000000000000400'
+    const gasLimit = 1_000_000 // skip gas estimation for simplicity
 
     let staking, bech32, signer
 
@@ -65,7 +66,8 @@ describe('StakingI – createValidator with Bech32 operator address', function (
             minSelfDelegation,
             signer.address,
             pubkey,
-            deposit
+            deposit,
+            {gasLimit: gasLimit}
         )
 
         // Wait for 2 confirmations and log the transaction hash
@@ -125,7 +127,8 @@ describe('StakingI – createValidator with Bech32 operator address', function (
             editDescription,
             signer.address,
             DO_NOT_MODIFY,    // leave commissionRate unchanged
-            DO_NOT_MODIFY     // leave minSelfDelegation unchanged
+            DO_NOT_MODIFY,    // leave minSelfDelegation unchanged
+            {gasLimit: gasLimit}
         )
         const editReceipt = await editTx.wait(2)
         console.log('EditValidator tx hash:', editTx.hash)
diff --git a/tests/solidity/suites/precompiles/test/staking/2_delegate.js b/tests/solidity/suites/precompiles/test/staking/2_delegate.js
index e51485ac4..d050f3a37 100644
--- a/tests/solidity/suites/precompiles/test/staking/2_delegate.js
+++ b/tests/solidity/suites/precompiles/test/staking/2_delegate.js
@@ -4,6 +4,7 @@ const hre = require('hardhat')
 describe('Staking – delegate with event assertion (gte & precision)', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
     const BECH32_ADDRESS = '0x0000000000000000000000000000000000000400'
+    const gasLimit = 1_000_000 // skip gas estimation for simplicity
 
     let staking, bech32, signer
 
@@ -38,7 +39,7 @@ describe('Staking – delegate with event assertion (gte & precision)', function
         // Send the delegate tx
         const tx = await staking
             .connect(signer)
-            .delegate(signer.address, valBech32, stakeAmount)
+            .delegate(signer.address, valBech32, stakeAmount, {gasLimit: gasLimit})
         const receipt = await tx.wait(2)
         console.log('Delegate tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString())
 
diff --git a/tests/solidity/suites/precompiles/test/staking/3_undelegate_and_cancel.js b/tests/solidity/suites/precompiles/test/staking/3_undelegate_and_cancel.js
index 88bb61976..9a4443e3f 100644
--- a/tests/solidity/suites/precompiles/test/staking/3_undelegate_and_cancel.js
+++ b/tests/solidity/suites/precompiles/test/staking/3_undelegate_and_cancel.js
@@ -35,6 +35,7 @@ function formatUnbondingDelegation(res) {
 
 describe('Staking – delegate, undelegate & cancelUnbondingDelegation with event assertions', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
+    const gasLimit = 1_000_000 // skip gas estimation for simplicity
 
     let staking, signer
 
@@ -49,7 +50,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         const amount = hre.ethers.parseEther('0.001')
 
         // DELEGATE
-        const delegateTx = await staking.connect(signer).delegate(signer.address, valBech32, amount)
+        const delegateTx = await staking.connect(signer).delegate(signer.address, valBech32, amount, {gasLimit: gasLimit})
         const delegateReceipt = await delegateTx.wait(2)
         console.log('Delegate tx hash:', delegateTx.hash, 'gas used:', delegateReceipt.gasUsed.toString())
 
@@ -73,7 +74,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         const entriesBefore = formatUnbondingDelegation(beforeRaw).entries.length
 
         // UNDELEGATE
-        const undelegateTx = await staking.connect(signer).undelegate(signer.address, valBech32, amount)
+        const undelegateTx = await staking.connect(signer).undelegate(signer.address, valBech32, amount, {gasLimit: gasLimit})
         const undelegateReceipt = await undelegateTx.wait(2)
         console.log('Undelegate tx hash:', undelegateTx.hash, 'gas used:', undelegateReceipt.gasUsed.toString())
 
@@ -114,7 +115,8 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
             signer.address,
             valBech32,
             amount,
-            entryToCancel.creationHeight
+            entryToCancel.creationHeight,
+            {gasLimit: gasLimit}
         )
         const cancelReceipt = await cancelTx.wait(2)
         console.log('CancelUnbondingDelegation tx hash:', cancelTx.hash, 'gas used:', cancelReceipt.gasUsed.toString())
diff --git a/tests/solidity/suites/precompiles/test/staking/4_redelegate.js b/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
index f0662940f..504db005e 100644
--- a/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
+++ b/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
@@ -37,6 +37,7 @@ function formatRedelegation(res) {
 
 describe('Staking – redelegate with event and state assertions', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
+    const gasLimit = 1_000_000 // skip gas estimation for simplicity
 
     let staking, bech32, signer
 
@@ -67,7 +68,7 @@ describe('Staking – redelegate with event and state assertions', function () {
         // 3) send the redelegate transaction
         const tx = await staking
             .connect(signer)
-            .redelegate(signer.address, srcValBech32, dstValBech32, amount)
+            .redelegate(signer.address, srcValBech32, dstValBech32, amount, {gasLimit: gasLimit})
         const receipt = await tx.wait(2)
         console.log('Redelegate tx hash:', tx.hash, 'gas used:', receipt.gasUsed.toString())
 

From a6d581aad2e7e849ccae2a01e0e3cffc0a4b328c Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 3 Jul 2025 02:17:34 +0900
Subject: [PATCH 15/65] add redelegations query test

---
 .../precompiles/test/staking/4_redelegate.js  | 42 ++++++++++++++++++-
 1 file changed, 41 insertions(+), 1 deletion(-)

diff --git a/tests/solidity/suites/precompiles/test/staking/4_redelegate.js b/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
index 504db005e..d97746d25 100644
--- a/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
+++ b/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
@@ -48,6 +48,7 @@ describe('Staking – redelegate with event and state assertions', function () {
     })
 
     it('should redelegate tokens and emit Redelegate event', async function () {
+        const signerBech32 = 'cosmos1cml96vmptgw99syqrrz8az79xer2pcgp95srxm'
         const srcValBech32 = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
         const dstValBech32 = 'cosmosvaloper1cml96vmptgw99syqrrz8az79xer2pcgpqqyk2g'
 
@@ -93,6 +94,7 @@ describe('Staking – redelegate with event and state assertions', function () {
         // 5) query redelegation state after
         const afterRaw = await staking.redelegation(signer.address, srcValBech32, dstValBech32)
         const afterR = formatRedelegation(afterRaw)
+        console.log('After redelegation:', afterR)
         const entriesAfter = afterR.entries.length
 
         // Assert that a new redelegation entry was created
@@ -101,9 +103,47 @@ describe('Staking – redelegate with event and state assertions', function () {
             'Number of redelegation entries should increase by 1'
         )
         // Assert that the latest entry initialBalance matches the redelegated amount
+        expect(afterR.delegatorAddress).to.equal(signerBech32)
+        expect(afterR.validatorSrcAddress).to.equal(srcValBech32)
+        expect(afterR.validatorDstAddress).to.equal(dstValBech32)
         expect(afterR.entries[0].initialBalance).to.equal(
             BigInt(amount.toString()),
             'Redelegation entry initialBalance should match redelegated amount'
         )
+
+        const pageRequest = {key: '0x', offset: 0, limit: 10, countTotal: true, reverse: false}
+        const [responses, _] = await staking.redelegations(
+            signer.address,
+            srcValBech32,
+            dstValBech32,
+            pageRequest
+        )
+        expect(responses.length).to.be.gte(1, 'redelegations() should return at least one response')
+        // check first response matches singular result
+        const first = responses[0]
+        const redelegation = first[0]
+        const entries = first[1]
+
+        // the 'redelegation' field is a Redelegation struct
+        expect(redelegation.delegatorAddress).to.equal(afterR.delegatorAddress)
+        expect(redelegation.validatorSrcAddress).to.equal(afterR.validatorSrcAddress)
+        expect(redelegation.validatorDstAddress).to.equal(afterR.validatorDstAddress)
+        // the 'entries' field is RedelegationEntryResponse[]
+        expect(entries.length).to.equal(entriesAfter)
+        const entryResp = entries[0]
+        // check RedelegationEntryResponse.redelegationEntry.initialBalance
+        expect(
+            BigInt(entryResp.redelegationEntry.initialBalance.toString())
+        ).to.equal(
+            afterR.entries[0].initialBalance,
+            'list entry initialBalance should match singular result'
+        )
+        // check RedelegationEntryResponse.balance
+        expect(
+            BigInt(entryResp.balance.toString())
+        ).to.equal(
+            afterR.entries[0].initialBalance,
+            'list entry balance should match singular result'
+        )
     })
-})
+})
\ No newline at end of file

From 16cefb48fc061d0a7fdddd57b64223ab3c50640a Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 3 Jul 2025 02:40:27 +0900
Subject: [PATCH 16/65] chore: refactor variable names

---
 .../suites/precompiles/test/staking/4_redelegate.js         | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/staking/4_redelegate.js b/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
index d97746d25..60c349ad7 100644
--- a/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
+++ b/tests/solidity/suites/precompiles/test/staking/4_redelegate.js
@@ -120,9 +120,9 @@ describe('Staking – redelegate with event and state assertions', function () {
         )
         expect(responses.length).to.be.gte(1, 'redelegations() should return at least one response')
         // check first response matches singular result
-        const first = responses[0]
-        const redelegation = first[0]
-        const entries = first[1]
+        const response = responses[0]
+        const redelegation = response[0]
+        const entries = response[1]
 
         // the 'redelegation' field is a Redelegation struct
         expect(redelegation.delegatorAddress).to.equal(afterR.delegatorAddress)

From eb8018db462eff80f4e7774faed071f6a1d4d89d Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 3 Jul 2025 11:29:50 +0900
Subject: [PATCH 17/65] chore: change filename

---
 tests/solidity/suites/precompiles/test/bank/{query.js => bank.js} | 0
 .../suites/precompiles/test/bech32/{methods.js => bech32.js}      | 0
 2 files changed, 0 insertions(+), 0 deletions(-)
 rename tests/solidity/suites/precompiles/test/bank/{query.js => bank.js} (100%)
 rename tests/solidity/suites/precompiles/test/bech32/{methods.js => bech32.js} (100%)

diff --git a/tests/solidity/suites/precompiles/test/bank/query.js b/tests/solidity/suites/precompiles/test/bank/bank.js
similarity index 100%
rename from tests/solidity/suites/precompiles/test/bank/query.js
rename to tests/solidity/suites/precompiles/test/bank/bank.js
diff --git a/tests/solidity/suites/precompiles/test/bech32/methods.js b/tests/solidity/suites/precompiles/test/bech32/bech32.js
similarity index 100%
rename from tests/solidity/suites/precompiles/test/bech32/methods.js
rename to tests/solidity/suites/precompiles/test/bech32/bech32.js

From cfab4411be43b39d76cb36fa406ba6e118143519 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 3 Jul 2025 13:16:56 +0900
Subject: [PATCH 18/65] add validators query test and fix gov interface

---
 contracts/solidity/precompiles/gov/IGov.sol                 | 4 ++--
 precompiles/testutil/contracts/GovCaller.json               | 4 ++--
 .../precompiles/test/staking/1_create_and_edit_validator.js | 6 ++++++
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/contracts/solidity/precompiles/gov/IGov.sol b/contracts/solidity/precompiles/gov/IGov.sol
index d7d09a5fc..7fa92a8ea 100644
--- a/contracts/solidity/precompiles/gov/IGov.sol
+++ b/contracts/solidity/precompiles/gov/IGov.sol
@@ -21,8 +21,8 @@ enum VoteOption {
     Abstain,
     // No defines a no vote option.
     No,
-    // NoWithWeto defines a no with veto vote option.
-    NoWithWeto
+    // NoWithVeto defines a no with veto vote option.
+    NoWithVeto
 }
 /// @dev WeightedVote represents a vote on a governance proposal
 struct WeightedVote {
diff --git a/precompiles/testutil/contracts/GovCaller.json b/precompiles/testutil/contracts/GovCaller.json
index fe606ab98..cdea8403d 100644
--- a/precompiles/testutil/contracts/GovCaller.json
+++ b/precompiles/testutil/contracts/GovCaller.json
@@ -573,8 +573,8 @@
       "type": "function"
     }
   ],
-  "bytecode": 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   "linkReferences": {},
   "deployedLinkReferences": {}
 }
diff --git a/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js b/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
index 6746de2cc..76b1a7942 100644
--- a/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
+++ b/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
@@ -151,5 +151,11 @@ describe('StakingI – createValidator with Bech32 operator address', function (
         // verify on-chain state after edit
         const updatedInfo = parseValidator(await staking.validator(signer.address))
         expect(updatedInfo.description).to.equal(updatedDetails)
+
+        const pageReq = { key: '0x', offset: 0, limit: 100, countTotal: false, reverse: false }
+        const out = await staking.validators('', pageReq)
+        const validators = out.validators.map(parseValidator)
+        expect(validators.length).to.be.gte(2)
+        expect(validators[1].operatorAddress.toLowerCase()).to.equal(signer.address.toLowerCase())
     })
 })
\ No newline at end of file

From 15c16a1adaff9b60592d896523186810713609c1 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 3 Jul 2025 18:27:38 +0900
Subject: [PATCH 19/65] add set withdraw address tc

---
 local_node.sh                                 | 10 ++---
 .../distribution/1_set_withdraw_address.js    | 41 +++++++++++++++++++
 2 files changed, 46 insertions(+), 5 deletions(-)
 create mode 100644 tests/solidity/suites/precompiles/test/distribution/1_set_withdraw_address.js

diff --git a/local_node.sh b/local_node.sh
index ad7860c28..9163cb402 100755
--- a/local_node.sh
+++ b/local_node.sh
@@ -94,26 +94,26 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	evmd config set client chain-id "$CHAINID" --home "$CHAINDIR"
 	evmd config set client keyring-backend "$KEYRING" --home "$CHAINDIR"
 
-	# myKey address 0x7cb61d4117ae31a12e393a1cfa3bac666481d02e | os10jmp6sgh4cc6zt3e8gw05wavvejgr5pwjnpcky
+	# myKey address 0x7cb61d4117ae31a12e393a1cfa3bac666481d02e | cosmos10jmp6sgh4cc6zt3e8gw05wavvejgr5pwjnpcky
 	VAL_KEY="mykey"
 	VAL_MNEMONIC="gesture inject test cycle original hollow east ridge hen combine junk child bacon zero hope comfort vacuum milk pitch cage oppose unhappy lunar seat"
 
-	# dev0 address 0xC6Fe5D33615a1C52c08018c47E8Bc53646A0E101 | os1cml96vmptgw99syqrrz8az79xer2pcgp84pdun
+	# dev0 address 0xC6Fe5D33615a1C52c08018c47E8Bc53646A0E101 | cosmos1cml96vmptgw99syqrrz8az79xer2pcgp84pdun
 	# dev0's private key: 0x88cbead91aee890d27bf06e003ade3d4e952427e88f88d31d61d3ef5e5d54305 # gitleaks:allow
 	USER1_KEY="dev0"
 	USER1_MNEMONIC="copper push brief egg scan entry inform record adjust fossil boss egg comic alien upon aspect dry avoid interest fury window hint race symptom"
 
-	# dev1 address 0x963EBDf2e1f8DB8707D05FC75bfeFFBa1B5BaC17 | os1jcltmuhplrdcwp7stlr4hlhlhgd4htqh3a79sq
+	# dev1 address 0x963EBDf2e1f8DB8707D05FC75bfeFFBa1B5BaC17 | cosmos1jcltmuhplrdcwp7stlr4hlhlhgd4htqh3a79sq
 	# dev1's private key: 0x741de4f8988ea941d3ff0287911ca4074e62b7d45c991a51186455366f10b544 # gitleaks:allow
 	USER2_KEY="dev1"
 	USER2_MNEMONIC="maximum display century economy unlock van census kite error heart snow filter midnight usage egg venture cash kick motor survey drastic edge muffin visual"
 
-	# dev2 address 0x40a0cb1C63e026A81B55EE1308586E21eec1eFa9 | os1gzsvk8rruqn2sx64acfsskrwy8hvrmafqkaze8
+	# dev2 address 0x40a0cb1C63e026A81B55EE1308586E21eec1eFa9 | cosmos1gzsvk8rruqn2sx64acfsskrwy8hvrmafqkaze8
 	# dev2's private key: 0x3b7955d25189c99a7468192fcbc6429205c158834053ebe3f78f4512ab432db9 # gitleaks:allow
 	USER3_KEY="dev2"
 	USER3_MNEMONIC="will wear settle write dance topic tape sea glory hotel oppose rebel client problem era video gossip glide during yard balance cancel file rose"
 
-	# dev3 address 0x498B5AeC5D439b733dC2F58AB489783A23FB26dA | os1fx944mzagwdhx0wz7k9tfztc8g3lkfk6rrgv6l
+	# dev3 address 0x498B5AeC5D439b733dC2F58AB489783A23FB26dA | cosmos1fx944mzagwdhx0wz7k9tfztc8g3lkfk6rrgv6l
 	# dev3's private key: 0x8a36c69d940a92fcea94b36d0f2928c7a0ee19a90073eda769693298dfa9603b # gitleaks:allow
 	USER4_KEY="dev3"
 	USER4_MNEMONIC="doll midnight silk carpet brush boring pluck office gown inquiry duck chief aim exit gain never tennis crime fragile ship cloud surface exotic patch"
diff --git a/tests/solidity/suites/precompiles/test/distribution/1_set_withdraw_address.js b/tests/solidity/suites/precompiles/test/distribution/1_set_withdraw_address.js
new file mode 100644
index 000000000..dde813f4d
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/distribution/1_set_withdraw_address.js
@@ -0,0 +1,41 @@
+const {expect} = require('chai');
+const hre = require('hardhat');
+
+describe('Distribution – set withdraw address', function () {
+    const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
+    const gasLimit = 1_000_000;
+
+    let distribution, signer;
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners();
+        distribution = await hre.ethers.getContractAt('DistributionI', DIST_ADDRESS);
+    });
+
+    it('should set withdraw address and emit SetWithdrawerAddress event', async function () {
+        const signerBech32 = 'cosmos1cml96vmptgw99syqrrz8az79xer2pcgp95srxm'
+        const newWithdrawAddress = 'cosmos1fx944mzagwdhx0wz7k9tfztc8g3lkfk6pzezqh';
+        const tx = await distribution
+            .connect(signer)
+            .setWithdrawAddress(signer.address, newWithdrawAddress, {gasLimit});
+        const receipt = await tx.wait(2);
+        console.log('SetWithdrawAddress tx hash:', receipt.hash);
+
+        const evt = receipt.logs
+            .map(log => {
+                try {
+                    return distribution.interface.parseLog(log);
+                } catch {
+                    return null;
+                }
+            })
+            .find(e => e && e.name === 'SetWithdrawerAddress');
+        expect(evt, 'SetWithdrawerAddress event must be emitted').to.exist;
+        expect(evt.args.caller).to.equal(signer.address);
+        expect(evt.args.withdrawerAddress).to.equal(newWithdrawAddress);
+
+        const withdrawer = await distribution.delegatorWithdrawAddress(signer.address);
+        console.log('Withdraw address:', withdrawer);
+        expect(withdrawer).to.equal(newWithdrawAddress);
+    });
+});
\ No newline at end of file

From 69188bba70a6e3566a29a46bd43fb9ffaf2da3dd Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 3 Jul 2025 19:45:16 +0900
Subject: [PATCH 20/65] order test sequences and add withdraw delegator reward
 tc

---
 .../1_create_and_edit_validator.js            |  0
 .../test/{staking => 1_staking}/2_delegate.js |  0
 .../3_undelegate_and_cancel.js                |  0
 .../{staking => 1_staking}/4_redelegate.js    |  0
 .../1_set_withdraw_address.js                 |  1 -
 .../2_withdraw_delegator_reward.js            | 61 +++++++++++++++++++
 6 files changed, 61 insertions(+), 1 deletion(-)
 rename tests/solidity/suites/precompiles/test/{staking => 1_staking}/1_create_and_edit_validator.js (100%)
 rename tests/solidity/suites/precompiles/test/{staking => 1_staking}/2_delegate.js (100%)
 rename tests/solidity/suites/precompiles/test/{staking => 1_staking}/3_undelegate_and_cancel.js (100%)
 rename tests/solidity/suites/precompiles/test/{staking => 1_staking}/4_redelegate.js (100%)
 rename tests/solidity/suites/precompiles/test/{distribution => 2_distribution}/1_set_withdraw_address.js (95%)
 create mode 100644 tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js

diff --git a/tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js b/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
similarity index 100%
rename from tests/solidity/suites/precompiles/test/staking/1_create_and_edit_validator.js
rename to tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
diff --git a/tests/solidity/suites/precompiles/test/staking/2_delegate.js b/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
similarity index 100%
rename from tests/solidity/suites/precompiles/test/staking/2_delegate.js
rename to tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
diff --git a/tests/solidity/suites/precompiles/test/staking/3_undelegate_and_cancel.js b/tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js
similarity index 100%
rename from tests/solidity/suites/precompiles/test/staking/3_undelegate_and_cancel.js
rename to tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js
diff --git a/tests/solidity/suites/precompiles/test/staking/4_redelegate.js b/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
similarity index 100%
rename from tests/solidity/suites/precompiles/test/staking/4_redelegate.js
rename to tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
diff --git a/tests/solidity/suites/precompiles/test/distribution/1_set_withdraw_address.js b/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js
similarity index 95%
rename from tests/solidity/suites/precompiles/test/distribution/1_set_withdraw_address.js
rename to tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js
index dde813f4d..6a3d15fc6 100644
--- a/tests/solidity/suites/precompiles/test/distribution/1_set_withdraw_address.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js
@@ -13,7 +13,6 @@ describe('Distribution – set withdraw address', function () {
     });
 
     it('should set withdraw address and emit SetWithdrawerAddress event', async function () {
-        const signerBech32 = 'cosmos1cml96vmptgw99syqrrz8az79xer2pcgp95srxm'
         const newWithdrawAddress = 'cosmos1fx944mzagwdhx0wz7k9tfztc8g3lkfk6pzezqh';
         const tx = await distribution
             .connect(signer)
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js b/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
new file mode 100644
index 000000000..a4d588dce
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
@@ -0,0 +1,61 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+describe('Distribution – withdraw delegator reward', function () {
+    const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
+    const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
+    const gasLimit = 1_000_000;
+
+    let staking, distribution, signer;
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners();
+
+        staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
+        distribution = await hre.ethers.getContractAt('DistributionI', DIST_ADDRESS);
+    });
+
+    it('should withdraw rewards and emit WithdrawDelegatorReward event', async function () {
+        const valBech32 = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql';
+        const valHex = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E';
+        const stakeAmountBn = hre.ethers.parseEther('0.001')   // BigNumber
+        const stakeAmount = BigInt(stakeAmountBn.toString())
+
+        // Delegate to the validator first
+        const delegateTx = await staking
+            .connect(signer)
+            .delegate(signer.address, valBech32, stakeAmount, {gasLimit: gasLimit})
+        const delegateReceipt = await delegateTx.wait(2)
+        console.log('Delegate tx hash:', delegateReceipt.hash, 'gas used:', delegateReceipt.gasUsed.toString())
+
+        // Sleep to ensure rewards are available
+        console.log('Waiting for rewards to accumulate... (5s)');
+        await new Promise(resolve => setTimeout(resolve, 5000)); // wait 5 seconds
+
+        // Query accumulated rewards before withdrawal
+        const result = await distribution.delegationRewards(signer.address, valBech32);
+        const currentReward = result[0];
+
+        const tx = await distribution
+            .connect(signer)
+            .withdrawDelegatorRewards(signer.address, valBech32, {gasLimit});
+        const receipt = await tx.wait(2);
+        console.log('WithdrawDelegatorRewards tx hash:', receipt.hash);
+
+        // Check events
+        const evt = receipt.logs
+            .map(log => { try { return distribution.interface.parseLog(log); } catch { return null; } })
+            .find(e => e && e.name === 'WithdrawDelegatorReward');
+        expect(evt, 'WithdrawDelegatorReward event must be emitted').to.exist;
+        expect(evt.args.delegatorAddress).to.equal(signer.address);
+        expect(evt.args.validatorAddress).to.equal(valHex);
+        expect(evt.args.amount).to.be.a('bigint');
+        expect(evt.args.amount).to.be.greaterThan(currentReward.amount, 'Withdrawn amount should be greater than zero');
+
+        // Check state after withdrawal
+        const afterResult = await distribution.delegationRewards(signer.address, valBech32);
+        const afterReward = afterResult[0];
+        // afterReward should be less than currentReward
+        expect(afterReward.amount).to.be.lessThan(currentReward.amount, 'Rewards should be reduced')
+    });
+});

From 493c781a7a5979790d3cbdc946ebe8fa0ca21252 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 4 Jul 2025 15:12:29 +0900
Subject: [PATCH 21/65] add claim rewards tc

---
 .../test/2_distribution/3_claim_rewards.js    | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js

diff --git a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
new file mode 100644
index 000000000..ba57f3cc3
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
@@ -0,0 +1,77 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+/**
+ * Parse the raw return from delegationTotalRewards into structured objects.
+ * @param {[DelegationDelegatorReward[], DecCoin[]]} raw
+ * @returns {{ delegationRewards: { validatorAddress: string, rewards: { denom: string, amount: BigInt, precision: number }[] }[], totalRewards: { denom: string, amount: BigInt, precision: number }[] }}
+ */
+function formatTotalRewards([delegationRewardsRaw, totalRaw]) {
+    const delegationRewards = delegationRewardsRaw.map(([validatorAddress, decCoins]) => ({
+        validatorAddress,
+        rewards: decCoins.map(([denom, amountBn, precisionBn]) => ({
+            denom,
+            amount: BigInt(amountBn.toString()),
+            precision: Number(precisionBn.toString()),
+        })),
+    }))
+
+    const totalRewards = totalRaw.map(([denom, amountBn, precisionBn]) => ({
+        denom,
+        amount: BigInt(amountBn.toString()),
+        precision: Number(precisionBn.toString()),
+    }))
+
+    return { delegationRewards, totalRewards }
+}
+
+describe('DistributionI – claimRewards', function () {
+    const DISTRIBUTION_ADDRESS = '0x0000000000000000000000000000000000000801';
+    const gasLimit = 1_000_000;
+
+    let distribution, signer;
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners();
+        distribution = await hre.ethers.getContractAt('DistributionI', DISTRIBUTION_ADDRESS);
+    });
+
+    it('should claim rewards from at most one validator', async function () {
+        // Query delegation total rewards
+        const delegatorAddress = await signer.getAddress();
+        const rawRewards = await distribution.delegationTotalRewards(delegatorAddress);
+        const { delegationRewards, totalRewards } = formatTotalRewards(rawRewards)
+        console.log('Parsed delegationRewards:', delegationRewards)
+        console.log('Parsed totalRewards:', totalRewards)
+
+        const tx = await distribution
+            .connect(signer)
+            .claimRewards(signer.address, 5, { gasLimit });
+        const receipt = await tx.wait(2);
+        console.log('ClaimRewards tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString());
+
+        const evt = receipt.logs
+            .map(log => {
+                try { return distribution.interface.parseLog(log); } catch { return null; }
+            })
+            .find(e => e && e.name === 'ClaimRewards');
+        expect(evt, 'ClaimRewards event should be emitted').to.exist;
+        expect(evt.args.delegatorAddress).to.equal(signer.address);
+        expect(evt.args.amount).to.be.a('bigint');
+        const claimed = BigInt(evt.args.amount.toString());
+        console.log('totalRewards claimed:', evt.args.amount);
+
+        // 3) query total rewards after claim, re-parse
+        const postRaw = await distribution.delegationTotalRewards(delegatorAddress)
+        const { delegationRewards: postDelegation, totalRewards: postTotal } = formatTotalRewards(postRaw)
+
+        console.log('Parsed delegationRewards after claim:', postDelegation)
+        console.log('Parsed totalRewards after claim:', postTotal)
+
+        // assert that totalRewards decreased by claimed amount (if only one denom)
+        const beforeTotal = totalRewards.reduce((acc, c) => acc + c.amount, 0n)
+        const afterTotal  = postTotal.reduce((acc, c) => acc + c.amount, 0n)
+        expect(afterTotal).to.lessThan(beforeTotal)
+
+    });
+});

From 52ae4135a683eb412f8cec4dd97480a8f4c415c3 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 4 Jul 2025 16:17:19 +0900
Subject: [PATCH 22/65] add withdraw validator commission

---
 local_node.sh                                 |  1 +
 .../suites/precompiles/hardhat.config.js      |  1 +
 .../test/2_distribution/3_claim_rewards.js    |  1 -
 .../4_withdraw_validator_commission.js        | 63 +++++++++++++++++++
 4 files changed, 65 insertions(+), 1 deletion(-)
 create mode 100644 tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js

diff --git a/local_node.sh b/local_node.sh
index 9163cb402..635a774b0 100755
--- a/local_node.sh
+++ b/local_node.sh
@@ -95,6 +95,7 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	evmd config set client keyring-backend "$KEYRING" --home "$CHAINDIR"
 
 	# myKey address 0x7cb61d4117ae31a12e393a1cfa3bac666481d02e | cosmos10jmp6sgh4cc6zt3e8gw05wavvejgr5pwjnpcky
+	# myKey's private key: 0xe9b1d63e8acd7fe676acb43afb390d4b0202dab61abec9cf2a561e4becb147de # gitleaks:allow
 	VAL_KEY="mykey"
 	VAL_MNEMONIC="gesture inject test cycle original hollow east ridge hen combine junk child bacon zero hope comfort vacuum milk pitch cage oppose unhappy lunar seat"
 
diff --git a/tests/solidity/suites/precompiles/hardhat.config.js b/tests/solidity/suites/precompiles/hardhat.config.js
index 80f5f71bf..82678da39 100644
--- a/tests/solidity/suites/precompiles/hardhat.config.js
+++ b/tests/solidity/suites/precompiles/hardhat.config.js
@@ -20,6 +20,7 @@ module.exports = {
       accounts: [
         "0x88CBEAD91AEE890D27BF06E003ADE3D4E952427E88F88D31D61D3EF5E5D54305",
         "0x3B7955D25189C99A7468192FCBC6429205C158834053EBE3F78F4512AB432DB9",
+        "0xe9b1d63e8acd7fe676acb43afb390d4b0202dab61abec9cf2a561e4becb147de",
       ],
     },
   },
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
index ba57f3cc3..277de71de 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
@@ -72,6 +72,5 @@ describe('DistributionI – claimRewards', function () {
         const beforeTotal = totalRewards.reduce((acc, c) => acc + c.amount, 0n)
         const afterTotal  = postTotal.reduce((acc, c) => acc + c.amount, 0n)
         expect(afterTotal).to.lessThan(beforeTotal)
-
     });
 });
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js b/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js
new file mode 100644
index 000000000..e606412f2
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js
@@ -0,0 +1,63 @@
+const { expect } = require('chai')
+const { ethers } = require('hardhat')
+
+describe('Distribution – withdraw validator commission', function () {
+    const DIST_ADDRESS = '0x0000000000000000000000000000000000000801'
+    const GAS_LIMIT    = 1_000_000
+
+    let distribution, validator
+
+    before(async () => {
+        const signers   = await ethers.getSigners()
+        validator       = signers[signers.length - 1]
+        distribution    = await ethers.getContractAt('DistributionI', DIST_ADDRESS)
+    })
+
+    it('withdraws validator commission and emits proper event', async function () {
+        const valBech32     = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
+        const stakeAmountBn = ethers.parseEther('0.001')
+        const stakeAmount   = BigInt(stakeAmountBn.toString())
+
+        // 1) query commission before withdrawal
+        const beforeRes = await distribution.validatorCommission(valBech32)
+        const beforeAmt = beforeRes.length
+            ? BigInt(beforeRes[0].amount.toString())
+            : 0n
+
+        // 2) withdraw commission
+        const tx      = await distribution
+            .connect(validator)
+            .withdrawValidatorCommission(valBech32, { gasLimit: GAS_LIMIT })
+        const receipt = await tx.wait(2)
+
+        // 3) parse the event
+        const parsedEvt = receipt.logs
+            .map(log => {
+                try { return distribution.interface.parseLog(log) }
+                catch { return null }
+            })
+            .find(e => e && e.name === 'WithdrawValidatorCommission')
+        expect(parsedEvt, 'event must be emitted').to.exist
+
+        // 4) verify the indexed validatorAddress via topic hash
+        const rawLog      = receipt.logs.find(log => {
+            try { return distribution.interface.parseLog(log).name === 'WithdrawValidatorCommission' }
+            catch { return false }
+        })
+        const expectedTopic = ethers.keccak256(ethers.toUtf8Bytes(valBech32))
+        expect(rawLog.topics[1]).to.equal(expectedTopic)
+
+        // 5) verify commission amount in event ≥ beforeAmt
+        const commissionBn = parsedEvt.args.commission
+        const commission   = BigInt(commissionBn.toString())
+        expect(commission).to.be.gte(beforeAmt)
+
+        // 6) query commission after withdrawal
+        const afterRes = await distribution.validatorCommission(valBech32)
+        const afterAmt = afterRes.length
+            ? BigInt(afterRes[0].amount.toString())
+            : 0n
+
+        expect(afterAmt).to.be.lessThan(beforeAmt, 'Commission should be reduced')
+    })
+})
\ No newline at end of file

From 0e8e7140cd23e1da096e20033d20bc719ae6939b Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 8 Jul 2025 01:10:03 +0900
Subject: [PATCH 23/65] add fund community pool tc

---
 .../2_distribution/5_fund_community_pool.js   | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js

diff --git a/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js b/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js
new file mode 100644
index 000000000..617ec60b3
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js
@@ -0,0 +1,44 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+describe('Distribution – fund community pool', function () {
+    const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
+    const GAS_LIMIT = 1_000_000;
+
+    let distribution, signer;
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners();
+        distribution = await hre.ethers.getContractAt('DistributionI', DIST_ADDRESS);
+    });
+
+    it('funds the community pool and emits FundCommunityPool event', async function () {
+        const coin = { denom: 'atest', amount: hre.ethers.parseEther('0.01') };
+
+        const beforePool = await distribution.communityPool();
+
+        const tx = await distribution
+            .connect(signer)
+            .fundCommunityPool(signer.address, [coin], { gasLimit: GAS_LIMIT });
+        const receipt = await tx.wait(2);
+        console.log('FundCommunityPool tx hash:', receipt.hash);
+
+        const evt = receipt.logs
+            .map(log => {
+                try { return distribution.interface.parseLog(log); } catch { return null; }
+            })
+            .find(e => e && e.name === 'FundCommunityPool');
+        expect(evt, 'FundCommunityPool event must be emitted').to.exist;
+        expect(evt.args.depositor).to.equal(signer.address);
+        expect(evt.args.denom).to.equal(coin.denom);
+        expect(evt.args.amount.toString()).to.equal(coin.amount.toString());
+
+        const afterPool = await distribution.communityPool();
+        const beforeAmt = beforePool.find(c => c.denom === coin.denom);
+        const afterAmt = afterPool.find(c => c.denom === coin.denom);
+        const start = beforeAmt ? BigInt(beforeAmt.amount.toString()) : 0n;
+        const end = afterAmt ? BigInt(afterAmt.amount.toString()) : 0n;
+        expect(end).to.gte(start + BigInt(coin.amount.toString()));
+    });
+});
+

From 04ee14f48f059450601a79d6a25160b5dd1ced7f Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 8 Jul 2025 01:26:55 +0900
Subject: [PATCH 24/65] add deposit validator rewards pool tc

---
 .../6_deposit_validator_rewards_pool.js       | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js

diff --git a/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js b/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js
new file mode 100644
index 000000000..20a8582a9
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js
@@ -0,0 +1,44 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+describe('Distribution – deposit validator rewards pool', function () {
+    const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
+    const GAS_LIMIT = 1_000_000;
+    const VAL_BECH32 = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql';
+    const VAL_HEX = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E';
+
+    let distribution, signer;
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners();
+        distribution = await hre.ethers.getContractAt('DistributionI', DIST_ADDRESS);
+    });
+
+    it('deposits rewards and emits DepositValidatorRewardsPool event', async function () {
+        const coin = { denom: 'atest', amount: hre.ethers.parseEther('0.1') };
+
+        const beforeRewards = await distribution.validatorOutstandingRewards(VAL_BECH32);
+        const beforeCoin = beforeRewards.find(c => c.denom === coin.denom);
+        const start = beforeCoin ? BigInt(beforeCoin.amount.toString()) : 0n;
+
+        const tx = await distribution
+            .connect(signer)
+            .depositValidatorRewardsPool(signer.address, VAL_BECH32, [coin], { gasLimit: GAS_LIMIT });
+        const receipt = await tx.wait(2);
+        console.log('DepositValidatorRewardsPool tx hash:', receipt.hash);
+
+        const evt = receipt.logs
+            .map(log => { try { return distribution.interface.parseLog(log); } catch { return null; } })
+            .find(e => e && e.name === 'DepositValidatorRewardsPool');
+        expect(evt, 'DepositValidatorRewardsPool event must be emitted').to.exist;
+        expect(evt.args.depositor).to.equal(signer.address);
+        expect(evt.args.validatorAddress).to.equal(VAL_HEX);
+        expect(evt.args.denom).to.equal(coin.denom);
+        expect(evt.args.amount.toString()).to.equal(coin.amount.toString());
+
+        const afterRewards = await distribution.validatorOutstandingRewards(VAL_BECH32);
+        const afterCoin = afterRewards.find(c => c.denom === coin.denom);
+        const end = afterCoin ? BigInt(afterCoin.amount.toString()) : 0n;
+        expect(end).to.gte(start + BigInt(coin.amount.toString()));
+    });
+});

From 05667efe515fc22d13a37d46549c3e6d0fe3f864 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 8 Jul 2025 11:00:37 +0900
Subject: [PATCH 25/65] add validator queries tc

---
 .../2_distribution/7_validator_queries.js     | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js

diff --git a/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js b/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js
new file mode 100644
index 000000000..6a52f6663
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js
@@ -0,0 +1,50 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+/**
+ * Hardhat tests for Distribution precompile validator query methods.
+ * Covers validatorDistributionInfo, validatorSlashes and delegatorValidators.
+ */
+describe('Distribution – validator query methods', function () {
+    const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
+    const VAL_OPER_BECH32 = 'cosmosvaloper1cml96vmptgw99syqrrz8az79xer2pcgpqqyk2g';
+    const VAL_BECH32 = 'cosmos1cml96vmptgw99syqrrz8az79xer2pcgp95srxm'
+
+    let distribution, signer;
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners();
+        distribution = await hre.ethers.getContractAt('DistributionI', DIST_ADDRESS);
+    });
+
+    it('validatorDistributionInfo returns current distribution info', async function () {
+        const info = await distribution.validatorDistributionInfo(VAL_OPER_BECH32);
+        console.log('validatorDistributionInfo:', info);
+        expect(info.operatorAddress).to.equal(VAL_BECH32);
+        expect(info.selfBondRewards).to.be.an('array');
+        expect(info.commission).to.be.an('array');
+    });
+
+    it('validatorSlashes returns slashing events (none expected)', async function () {
+        const pageReq = { key: '0x', offset: 0, limit: 100, countTotal: true, reverse: false };
+        const [slashes, pageResponse] = await distribution.validatorSlashes(
+            VAL_OPER_BECH32,
+            1,
+            5,
+            pageReq
+        );
+        console.log('validatorSlashes:', slashes, pageResponse);
+        expect(slashes).to.be.an('array');
+        expect(slashes.length).to.equal(Number(pageResponse.total.toString()));
+    });
+
+    it('delegatorValidators lists validators for delegator', async function () {
+        const amountBn = hre.ethers.parseEther('0.001');
+        const amount = BigInt(amountBn.toString());
+
+        const validators = await distribution.delegatorValidators(signer.address);
+        console.log('delegatorValidators:', validators);
+        console.log(validators)
+        expect(validators).to.include(VAL_OPER_BECH32);
+    });
+});
\ No newline at end of file

From 40be2764ec2739267cec2ed92192c0b3800caa76 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 8 Jul 2025 12:32:14 +0900
Subject: [PATCH 26/65] chore: unify convention

---
 .../test/1_staking/1_create_and_edit_validator.js         | 6 +++---
 .../suites/precompiles/test/1_staking/2_delegate.js       | 4 ++--
 .../precompiles/test/1_staking/3_undelegate_and_cancel.js | 8 ++++----
 .../suites/precompiles/test/1_staking/4_redelegate.js     | 4 ++--
 .../test/2_distribution/1_set_withdraw_address.js         | 4 ++--
 .../test/2_distribution/2_withdraw_delegator_reward.js    | 6 +++---
 .../precompiles/test/2_distribution/3_claim_rewards.js    | 4 ++--
 7 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js b/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
index 76b1a7942..16cb190f8 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
@@ -4,7 +4,7 @@ const hre = require('hardhat')
 describe('StakingI – createValidator with Bech32 operator address', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
     const BECH32_ADDRESS = '0x0000000000000000000000000000000000000400'
-    const gasLimit = 1_000_000 // skip gas estimation for simplicity
+    const GAS_LIMIT = 1_000_000 // skip gas estimation for simplicity
 
     let staking, bech32, signer
 
@@ -67,7 +67,7 @@ describe('StakingI – createValidator with Bech32 operator address', function (
             signer.address,
             pubkey,
             deposit,
-            {gasLimit: gasLimit}
+            {gasLimit: GAS_LIMIT}
         )
 
         // Wait for 2 confirmations and log the transaction hash
@@ -128,7 +128,7 @@ describe('StakingI – createValidator with Bech32 operator address', function (
             signer.address,
             DO_NOT_MODIFY,    // leave commissionRate unchanged
             DO_NOT_MODIFY,    // leave minSelfDelegation unchanged
-            {gasLimit: gasLimit}
+            {gasLimit: GAS_LIMIT}
         )
         const editReceipt = await editTx.wait(2)
         console.log('EditValidator tx hash:', editTx.hash)
diff --git a/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js b/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
index d050f3a37..80eec23ce 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
@@ -4,7 +4,7 @@ const hre = require('hardhat')
 describe('Staking – delegate with event assertion (gte & precision)', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
     const BECH32_ADDRESS = '0x0000000000000000000000000000000000000400'
-    const gasLimit = 1_000_000 // skip gas estimation for simplicity
+    const GAS_LIMIT = 1_000_000 // skip gas estimation for simplicity
 
     let staking, bech32, signer
 
@@ -39,7 +39,7 @@ describe('Staking – delegate with event assertion (gte & precision)', function
         // Send the delegate tx
         const tx = await staking
             .connect(signer)
-            .delegate(signer.address, valBech32, stakeAmount, {gasLimit: gasLimit})
+            .delegate(signer.address, valBech32, stakeAmount, {gasLimit: GAS_LIMIT})
         const receipt = await tx.wait(2)
         console.log('Delegate tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString())
 
diff --git a/tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js b/tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js
index 9a4443e3f..14f01d184 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js
@@ -35,7 +35,7 @@ function formatUnbondingDelegation(res) {
 
 describe('Staking – delegate, undelegate & cancelUnbondingDelegation with event assertions', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
-    const gasLimit = 1_000_000 // skip gas estimation for simplicity
+    const GAS_LIMIT = 1_000_000 // skip gas estimation for simplicity
 
     let staking, signer
 
@@ -50,7 +50,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         const amount = hre.ethers.parseEther('0.001')
 
         // DELEGATE
-        const delegateTx = await staking.connect(signer).delegate(signer.address, valBech32, amount, {gasLimit: gasLimit})
+        const delegateTx = await staking.connect(signer).delegate(signer.address, valBech32, amount, {gasLimit: GAS_LIMIT})
         const delegateReceipt = await delegateTx.wait(2)
         console.log('Delegate tx hash:', delegateTx.hash, 'gas used:', delegateReceipt.gasUsed.toString())
 
@@ -74,7 +74,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         const entriesBefore = formatUnbondingDelegation(beforeRaw).entries.length
 
         // UNDELEGATE
-        const undelegateTx = await staking.connect(signer).undelegate(signer.address, valBech32, amount, {gasLimit: gasLimit})
+        const undelegateTx = await staking.connect(signer).undelegate(signer.address, valBech32, amount, {gasLimit: GAS_LIMIT})
         const undelegateReceipt = await undelegateTx.wait(2)
         console.log('Undelegate tx hash:', undelegateTx.hash, 'gas used:', undelegateReceipt.gasUsed.toString())
 
@@ -116,7 +116,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
             valBech32,
             amount,
             entryToCancel.creationHeight,
-            {gasLimit: gasLimit}
+            {gasLimit: GAS_LIMIT}
         )
         const cancelReceipt = await cancelTx.wait(2)
         console.log('CancelUnbondingDelegation tx hash:', cancelTx.hash, 'gas used:', cancelReceipt.gasUsed.toString())
diff --git a/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js b/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
index 60c349ad7..955e05312 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
@@ -37,7 +37,7 @@ function formatRedelegation(res) {
 
 describe('Staking – redelegate with event and state assertions', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
-    const gasLimit = 1_000_000 // skip gas estimation for simplicity
+    const GAS_LIMIT = 1_000_000 // skip gas estimation for simplicity
 
     let staking, bech32, signer
 
@@ -69,7 +69,7 @@ describe('Staking – redelegate with event and state assertions', function () {
         // 3) send the redelegate transaction
         const tx = await staking
             .connect(signer)
-            .redelegate(signer.address, srcValBech32, dstValBech32, amount, {gasLimit: gasLimit})
+            .redelegate(signer.address, srcValBech32, dstValBech32, amount, {gasLimit: GAS_LIMIT})
         const receipt = await tx.wait(2)
         console.log('Redelegate tx hash:', tx.hash, 'gas used:', receipt.gasUsed.toString())
 
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js b/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js
index 6a3d15fc6..93bce2c79 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js
@@ -3,7 +3,7 @@ const hre = require('hardhat');
 
 describe('Distribution – set withdraw address', function () {
     const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
-    const gasLimit = 1_000_000;
+    const GAS_LIMIT = 1_000_000;
 
     let distribution, signer;
 
@@ -16,7 +16,7 @@ describe('Distribution – set withdraw address', function () {
         const newWithdrawAddress = 'cosmos1fx944mzagwdhx0wz7k9tfztc8g3lkfk6pzezqh';
         const tx = await distribution
             .connect(signer)
-            .setWithdrawAddress(signer.address, newWithdrawAddress, {gasLimit});
+            .setWithdrawAddress(signer.address, newWithdrawAddress, {gasLimit: GAS_LIMIT});
         const receipt = await tx.wait(2);
         console.log('SetWithdrawAddress tx hash:', receipt.hash);
 
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js b/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
index a4d588dce..c89145317 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
@@ -4,7 +4,7 @@ const hre = require('hardhat');
 describe('Distribution – withdraw delegator reward', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
     const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
-    const gasLimit = 1_000_000;
+    const GAS_LIMIT = 1_000_000;
 
     let staking, distribution, signer;
 
@@ -24,7 +24,7 @@ describe('Distribution – withdraw delegator reward', function () {
         // Delegate to the validator first
         const delegateTx = await staking
             .connect(signer)
-            .delegate(signer.address, valBech32, stakeAmount, {gasLimit: gasLimit})
+            .delegate(signer.address, valBech32, stakeAmount, {gasLimit: GAS_LIMIT})
         const delegateReceipt = await delegateTx.wait(2)
         console.log('Delegate tx hash:', delegateReceipt.hash, 'gas used:', delegateReceipt.gasUsed.toString())
 
@@ -38,7 +38,7 @@ describe('Distribution – withdraw delegator reward', function () {
 
         const tx = await distribution
             .connect(signer)
-            .withdrawDelegatorRewards(signer.address, valBech32, {gasLimit});
+            .withdrawDelegatorRewards(signer.address, valBech32, {gasLimit: GAS_LIMIT});
         const receipt = await tx.wait(2);
         console.log('WithdrawDelegatorRewards tx hash:', receipt.hash);
 
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
index 277de71de..a41852081 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
@@ -27,7 +27,7 @@ function formatTotalRewards([delegationRewardsRaw, totalRaw]) {
 
 describe('DistributionI – claimRewards', function () {
     const DISTRIBUTION_ADDRESS = '0x0000000000000000000000000000000000000801';
-    const gasLimit = 1_000_000;
+    const GAS_LIMIT = 1_000_000;
 
     let distribution, signer;
 
@@ -46,7 +46,7 @@ describe('DistributionI – claimRewards', function () {
 
         const tx = await distribution
             .connect(signer)
-            .claimRewards(signer.address, 5, { gasLimit });
+            .claimRewards(signer.address, 5, { gasLimit: GAS_LIMIT });
         const receipt = await tx.wait(2);
         console.log('ClaimRewards tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString());
 

From b0168033c6a61f99bf24afe0186443771d6ece07 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 8 Jul 2025 14:09:29 +0900
Subject: [PATCH 27/65] add erc20 tc

---
 .../suites/precompiles/test/3_erc20/erc20.js  | 90 +++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/3_erc20/erc20.js

diff --git a/tests/solidity/suites/precompiles/test/3_erc20/erc20.js b/tests/solidity/suites/precompiles/test/3_erc20/erc20.js
new file mode 100644
index 000000000..2eb8a5aed
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/3_erc20/erc20.js
@@ -0,0 +1,90 @@
+const { expect } = require('chai')
+const hre = require('hardhat')
+
+describe('ERC20 Precompile', function () {
+    let erc20, owner, spender, recipient
+    const GAS_LIMIT = 1_000_000 // skip gas estimation for simplicity
+
+    before(async function () {
+        [owner, spender, recipient] = await hre.ethers.getSigners()
+        erc20 = await hre.ethers.getContractAt(
+            'IERC20MetadataAllowance',
+            '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE'
+        )
+    })
+
+    it('should return the name', async function () {
+        const name = await erc20.name()
+        expect(name).to.contain('Test Token')
+    })
+
+    it('should return the symbol', async function () {
+        const symbol = await erc20.symbol()
+        expect(symbol).to.contain('TEST')
+    })
+
+    it('should return the decimals', async function () {
+        const decimals = await erc20.decimals()
+        expect(decimals).to.equal(18)
+    })
+
+    it('should return the total supply', async function () {
+        const totalSupply = await erc20.totalSupply()
+        expect(totalSupply).to.be.gt(0n)
+    })
+
+    it('should return the balance of the owner', async function () {
+        const balance = await erc20.balanceOf(owner.address)
+        expect(balance).to.be.gt(0n)
+    })
+
+    it('should return zero allowance by default', async function () {
+        const allowance = await erc20.allowance(owner.address, spender.address)
+        expect(allowance).to.equal(0n)
+    })
+
+    it('should transfer tokens', async function () {
+        const amount = hre.ethers.parseEther('1')
+        const prev   = await erc20.balanceOf(spender.address)
+
+        const tx = await erc20.connect(owner).transfer(spender.address, amount)
+        await tx.wait(1)
+
+        const after = await erc20.balanceOf(spender.address)
+        expect(after - prev).to.equal(amount)
+    })
+
+    it('should transfer tokens using transferFrom', async function () {
+        const amount = hre.ethers.parseEther('0.5')
+
+        // owner gives spender permission to move amount
+        const approvalTx = await erc20.
+            connect(owner)
+            .approve(spender.address, amount, {gasLimit: GAS_LIMIT})
+        await approvalTx.wait(1)
+        console.log(`Approval transaction hash: ${approvalTx.hash}`)
+
+        // record pre-transfer balances and allowance
+        const prevBalance    = await erc20.balanceOf(recipient.address)
+        const prevAllowance  = await erc20.allowance(owner.address, spender.address)
+        console.log(`Pre-transfer balance of recipient: ${prevBalance}`)
+        console.log(`Pre-transfer allowance of spender: ${prevAllowance}`)
+
+        // spender pulls from owner → recipient
+        const tx = await erc20
+            .connect(spender)
+            .transferFrom(owner.address, recipient.address, amount, {gasLimit: GAS_LIMIT})
+        await tx.wait(1)
+        console.log(`Transfer transaction hash: ${tx.hash}`)
+
+        // post-transfer checks
+        const afterBalance   = await erc20.balanceOf(recipient.address)
+        const afterAllowance = await erc20.allowance(owner.address, spender.address)
+
+        // recipient should gain exactly `amount`
+        expect(afterBalance - prevBalance).to.equal(amount)
+
+        // allowance should have decreased by `amount`
+        expect(afterAllowance).to.equal(prevAllowance - amount)
+    })
+})

From 987e026b944fa21c47f099bd3ad9838a98cba067 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 8 Jul 2025 18:47:47 +0900
Subject: [PATCH 28/65] update local node script

it should contains every precompiles by default
---
 local_node.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/local_node.sh b/local_node.sh
index 635a774b0..026e33e5b 100755
--- a/local_node.sh
+++ b/local_node.sh
@@ -141,7 +141,7 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	jq '.app_state["bank"]["denom_metadata"]=[{"description":"The native staking token for evmd.","denom_units":[{"denom":"atest","exponent":0,"aliases":["attotest"]},{"denom":"test","exponent":18,"aliases":[]}],"base":"atest","display":"test","name":"Test Token","symbol":"TEST","uri":"","uri_hash":""}]' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
 
 	# Enable precompiles in EVM params
-	jq '.app_state["evm"]["params"]["active_static_precompiles"]=["0x0000000000000000000000000000000000000100","0x0000000000000000000000000000000000000400","0x0000000000000000000000000000000000000800","0x0000000000000000000000000000000000000801","0x0000000000000000000000000000000000000802","0x0000000000000000000000000000000000000803","0x0000000000000000000000000000000000000804","0x0000000000000000000000000000000000000805"]' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
+	jq '.app_state["evm"]["params"]["active_static_precompiles"]=["0x0000000000000000000000000000000000000100","0x0000000000000000000000000000000000000400","0x0000000000000000000000000000000000000800","0x0000000000000000000000000000000000000801","0x0000000000000000000000000000000000000802","0x0000000000000000000000000000000000000803","0x0000000000000000000000000000000000000804","0x0000000000000000000000000000000000000805", "0x0000000000000000000000000000000000000806", "0x0000000000000000000000000000000000000807"]' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
 
 	# Set EVM config
 	jq '.app_state["evm"]["params"]["evm_denom"]="atest"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"

From e1f4400f2a095826b47b4cfccd742b97b10899b4 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 8 Jul 2025 20:42:27 +0900
Subject: [PATCH 29/65] fix slashing query and add e2e tests for it

---
 local_node.sh                                 |  2 +-
 precompiles/slashing/query.go                 | 10 +++-
 precompiles/slashing/slashing.go              |  2 +
 precompiles/slashing/types.go                 | 21 ++++++---
 .../precompiles/test/5_slashing/queries.js    | 47 +++++++++++++++++++
 5 files changed, 73 insertions(+), 9 deletions(-)
 create mode 100644 tests/solidity/suites/precompiles/test/5_slashing/queries.js

diff --git a/local_node.sh b/local_node.sh
index 026e33e5b..5b8bfee18 100755
--- a/local_node.sh
+++ b/local_node.sh
@@ -127,7 +127,7 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	echo "$USER4_MNEMONIC" | evmd keys add "$USER4_KEY" --recover --keyring-backend "$KEYRING" --algo "$KEYALGO" --home "$CHAINDIR"
 
 	# Set moniker and chain-id for the example chain (Moniker can be anything, chain-id must be an integer)
-	evmd init $MONIKER -o --chain-id "$CHAINID" --home "$CHAINDIR"
+	echo "$VAL_MNEMONIC" | evmd init $MONIKER -o --chain-id "$CHAINID" --home "$CHAINDIR" --recover
 
 	# Change parameter token denominations to desired value
 	jq '.app_state["staking"]["params"]["bond_denom"]="atest"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
diff --git a/precompiles/slashing/query.go b/precompiles/slashing/query.go
index 3e957161e..88876f667 100644
--- a/precompiles/slashing/query.go
+++ b/precompiles/slashing/query.go
@@ -34,7 +34,10 @@ func (p *Precompile) GetSigningInfo(
 		return nil, err
 	}
 
-	out := new(SigningInfoOutput).FromResponse(res)
+	out, err := new(SigningInfoOutput).FromResponse(res)
+	if err != nil {
+		return nil, err
+	}
 	return method.Outputs.Pack(out.SigningInfo)
 }
 
@@ -55,7 +58,10 @@ func (p *Precompile) GetSigningInfos(
 		return nil, err
 	}
 
-	out := new(SigningInfosOutput).FromResponse(res)
+	out, err := new(SigningInfosOutput).FromResponse(res)
+	if err != nil {
+		return nil, err
+	}
 	return method.Outputs.Pack(out.SigningInfos, out.PageResponse)
 }
 
diff --git a/precompiles/slashing/slashing.go b/precompiles/slashing/slashing.go
index 5de31a334..5b72a2fa6 100644
--- a/precompiles/slashing/slashing.go
+++ b/precompiles/slashing/slashing.go
@@ -112,6 +112,8 @@ func (p Precompile) run(evm *vm.EVM, contract *vm.Contract, readOnly bool) (bz [
 		bz, err = p.GetSigningInfo(ctx, method, contract, args)
 	case GetSigningInfosMethod:
 		bz, err = p.GetSigningInfos(ctx, method, contract, args)
+	case GetParamsMethod:
+		bz, err = p.GetParams(ctx, method, contract, args)
 	default:
 		return nil, fmt.Errorf(cmn.ErrUnknownMethod, method.Name)
 	}
diff --git a/precompiles/slashing/types.go b/precompiles/slashing/types.go
index e70372d81..c14983190 100644
--- a/precompiles/slashing/types.go
+++ b/precompiles/slashing/types.go
@@ -73,23 +73,32 @@ func ParseSigningInfosArgs(method *abi.Method, args []interface{}) (*slashingtyp
 	}, nil
 }
 
-func (sio *SigningInfoOutput) FromResponse(res *slashingtypes.QuerySigningInfoResponse) *SigningInfoOutput {
+func (sio *SigningInfoOutput) FromResponse(res *slashingtypes.QuerySigningInfoResponse) (*SigningInfoOutput, error) {
+	consAddr, err := types.ConsAddressFromBech32(res.ValSigningInfo.Address)
+	if err != nil {
+		return nil, fmt.Errorf("error parsing consensus address: %w", err)
+	}
+
 	sio.SigningInfo = SigningInfo{
-		ValidatorAddress:    common.BytesToAddress([]byte(res.ValSigningInfo.Address)),
+		ValidatorAddress:    common.BytesToAddress(consAddr.Bytes()),
 		StartHeight:         res.ValSigningInfo.StartHeight,
 		IndexOffset:         res.ValSigningInfo.IndexOffset,
 		JailedUntil:         res.ValSigningInfo.JailedUntil.Unix(),
 		Tombstoned:          res.ValSigningInfo.Tombstoned,
 		MissedBlocksCounter: res.ValSigningInfo.MissedBlocksCounter,
 	}
-	return sio
+	return sio, nil
 }
 
-func (sio *SigningInfosOutput) FromResponse(res *slashingtypes.QuerySigningInfosResponse) *SigningInfosOutput {
+func (sio *SigningInfosOutput) FromResponse(res *slashingtypes.QuerySigningInfosResponse) (*SigningInfosOutput, error) {
 	sio.SigningInfos = make([]SigningInfo, len(res.Info))
 	for i, info := range res.Info {
+		consAddr, err := types.ConsAddressFromBech32(info.Address)
+		if err != nil {
+			return nil, fmt.Errorf("error parsing consensus address: %w", err)
+		}
 		sio.SigningInfos[i] = SigningInfo{
-			ValidatorAddress:    common.BytesToAddress([]byte(info.Address)),
+			ValidatorAddress:    common.BytesToAddress(consAddr.Bytes()),
 			StartHeight:         info.StartHeight,
 			IndexOffset:         info.IndexOffset,
 			JailedUntil:         info.JailedUntil.Unix(),
@@ -103,7 +112,7 @@ func (sio *SigningInfosOutput) FromResponse(res *slashingtypes.QuerySigningInfos
 			Total:   res.Pagination.Total,
 		}
 	}
-	return sio
+	return sio, nil
 }
 
 // ValidatorUnjailed defines the data structure for the ValidatorUnjailed event.
diff --git a/tests/solidity/suites/precompiles/test/5_slashing/queries.js b/tests/solidity/suites/precompiles/test/5_slashing/queries.js
new file mode 100644
index 000000000..c4c059ed9
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/5_slashing/queries.js
@@ -0,0 +1,47 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+/**
+ * Hardhat tests for Slashing precompile query methods.
+ * Covers getSigningInfo, getSigningInfos and getParams.
+ */
+describe('Slashing – query methods', function () {
+    const SLASHING_ADDRESS = '0x0000000000000000000000000000000000000806';
+    const CONS_ADDR = '0x2E1cA93285D58942Ba2e22fd893CCaC7c924c3A1' // address derived from ed25519 pubkey which is placed in ~/.evmd/config/priv_validator_key.json
+    let slashing;
+
+    before(async function () {
+        slashing = await hre.ethers.getContractAt('ISlashing', SLASHING_ADDRESS);
+    });
+
+    it('getSigningInfos returns list of signing info', async function () {
+        const pageReq = { key: '0x', offset: 0, limit: 10, countTotal: true, reverse: false };
+        const [infos, pageResponse] = await slashing.getSigningInfos(pageReq);
+        console.log('Signing infos:', infos, 'Page:', pageResponse);
+        expect(infos.length).to.be.greaterThan(0);
+        expect(pageResponse.total).to.be.a('bigint').and.to.be.greaterThan(0n);
+        const info = infos[0];
+        expect(info.validatorAddress).to.equal(CONS_ADDR);
+        expect(info.startHeight).to.be.a('bigint');
+        expect(info.indexOffset).to.be.a('bigint');
+        expect(info.tombstoned).to.be.a('boolean');
+        expect(info.missedBlocksCounter).to.be.a('bigint');
+    });
+
+    it('getSigningInfo returns info for a validator', async function () {
+        const info = await slashing.getSigningInfo(CONS_ADDR);
+        console.log('Signing info:', info);
+        expect(info.validatorAddress).to.equal(CONS_ADDR);
+        expect(info.startHeight).to.be.a('bigint');
+    });
+
+    it('getParams returns slashing module params', async function () {
+        const params = await slashing.getParams();
+        console.log('Params:', params);
+        expect(params.signedBlocksWindow).to.be.a('bigint');
+        expect(params.minSignedPerWindow.value).to.be.a('bigint');
+        expect(params.downtimeJailDuration).to.be.a('bigint');
+        expect(params.slashFractionDoubleSign.value).to.be.a('bigint');
+        expect(params.slashFractionDowntime.value).to.be.a('bigint');
+    });
+});

From f7477c24f18c8aa2a418010f6da74c7274084d4e Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 8 Jul 2025 23:57:44 +0900
Subject: [PATCH 30/65] fix: decode bech32 consensus address before converting
 to bytes

The consensus address was previously used in its bech32-encoded form (a 52-character string), which is incorrect. This led to attempts to interpret a bech32 string directly as a 20-byte address, resulting in invalid conversions and data loss.

This fix ensures the bech32 consensus address is properly decoded into its original 20-byte form before further processing, preserving the correct address representation expected in EVM-compatible byte format.
---
 precompiles/slashing/query.go                 | 15 ++++++++++---
 precompiles/slashing/types.go                 | 21 +++++++++++++------
 .../precompiles/slashing/test_query.go        | 20 ++++++++++++++++--
 3 files changed, 45 insertions(+), 11 deletions(-)

diff --git a/precompiles/slashing/query.go b/precompiles/slashing/query.go
index 3e957161e..5a1d696ac 100644
--- a/precompiles/slashing/query.go
+++ b/precompiles/slashing/query.go
@@ -17,7 +17,10 @@ const (
 	GetParamsMethod = "getParams"
 )
 
-// GetSigningInfo implements the query to get a validator's signing info.
+// GetSigningInfo handles the `getSigningInfo` precompile call.
+// It expects a single argument: the validator’s consensus address in hex format.
+// That address comes from the validator’s Tendermint ed25519 public key,
+// typically found in `$HOME/.evmd/config/priv_validator_key.json`.
 func (p *Precompile) GetSigningInfo(
 	ctx sdk.Context,
 	method *abi.Method,
@@ -34,7 +37,10 @@ func (p *Precompile) GetSigningInfo(
 		return nil, err
 	}
 
-	out := new(SigningInfoOutput).FromResponse(res)
+	out, err := new(SigningInfoOutput).FromResponse(res)
+	if err != nil {
+		return nil, err
+	}
 	return method.Outputs.Pack(out.SigningInfo)
 }
 
@@ -55,7 +61,10 @@ func (p *Precompile) GetSigningInfos(
 		return nil, err
 	}
 
-	out := new(SigningInfosOutput).FromResponse(res)
+	out, err := new(SigningInfosOutput).FromResponse(res)
+	if err != nil {
+		return nil, err
+	}
 	return method.Outputs.Pack(out.SigningInfos, out.PageResponse)
 }
 
diff --git a/precompiles/slashing/types.go b/precompiles/slashing/types.go
index e70372d81..c14983190 100644
--- a/precompiles/slashing/types.go
+++ b/precompiles/slashing/types.go
@@ -73,23 +73,32 @@ func ParseSigningInfosArgs(method *abi.Method, args []interface{}) (*slashingtyp
 	}, nil
 }
 
-func (sio *SigningInfoOutput) FromResponse(res *slashingtypes.QuerySigningInfoResponse) *SigningInfoOutput {
+func (sio *SigningInfoOutput) FromResponse(res *slashingtypes.QuerySigningInfoResponse) (*SigningInfoOutput, error) {
+	consAddr, err := types.ConsAddressFromBech32(res.ValSigningInfo.Address)
+	if err != nil {
+		return nil, fmt.Errorf("error parsing consensus address: %w", err)
+	}
+
 	sio.SigningInfo = SigningInfo{
-		ValidatorAddress:    common.BytesToAddress([]byte(res.ValSigningInfo.Address)),
+		ValidatorAddress:    common.BytesToAddress(consAddr.Bytes()),
 		StartHeight:         res.ValSigningInfo.StartHeight,
 		IndexOffset:         res.ValSigningInfo.IndexOffset,
 		JailedUntil:         res.ValSigningInfo.JailedUntil.Unix(),
 		Tombstoned:          res.ValSigningInfo.Tombstoned,
 		MissedBlocksCounter: res.ValSigningInfo.MissedBlocksCounter,
 	}
-	return sio
+	return sio, nil
 }
 
-func (sio *SigningInfosOutput) FromResponse(res *slashingtypes.QuerySigningInfosResponse) *SigningInfosOutput {
+func (sio *SigningInfosOutput) FromResponse(res *slashingtypes.QuerySigningInfosResponse) (*SigningInfosOutput, error) {
 	sio.SigningInfos = make([]SigningInfo, len(res.Info))
 	for i, info := range res.Info {
+		consAddr, err := types.ConsAddressFromBech32(info.Address)
+		if err != nil {
+			return nil, fmt.Errorf("error parsing consensus address: %w", err)
+		}
 		sio.SigningInfos[i] = SigningInfo{
-			ValidatorAddress:    common.BytesToAddress([]byte(info.Address)),
+			ValidatorAddress:    common.BytesToAddress(consAddr.Bytes()),
 			StartHeight:         info.StartHeight,
 			IndexOffset:         info.IndexOffset,
 			JailedUntil:         info.JailedUntil.Unix(),
@@ -103,7 +112,7 @@ func (sio *SigningInfosOutput) FromResponse(res *slashingtypes.QuerySigningInfos
 			Total:   res.Pagination.Total,
 		}
 	}
-	return sio
+	return sio, nil
 }
 
 // ValidatorUnjailed defines the data structure for the ValidatorUnjailed event.
diff --git a/tests/integration/precompiles/slashing/test_query.go b/tests/integration/precompiles/slashing/test_query.go
index 721c8bd0d..afee48897 100644
--- a/tests/integration/precompiles/slashing/test_query.go
+++ b/tests/integration/precompiles/slashing/test_query.go
@@ -17,6 +17,10 @@ import (
 func (s *PrecompileTestSuite) TestGetSigningInfo() {
 	method := s.precompile.Methods[slashing.GetSigningInfoMethod]
 
+	valSigners := s.network.GetValidators()
+	val0ConsAddr, _ := valSigners[0].GetConsAddr()
+
+	consAddr := types.ConsAddress(val0ConsAddr)
 	testCases := []struct {
 		name        string
 		malleate    func() []interface{}
@@ -52,8 +56,9 @@ func (s *PrecompileTestSuite) TestGetSigningInfo() {
 			func() []interface{} {
 				err := s.network.App.GetSlashingKeeper().SetValidatorSigningInfo(
 					s.network.GetContext(),
-					types.ConsAddress(s.keyring.GetAddr(0).Bytes()),
+					consAddr,
 					slashingtypes.ValidatorSigningInfo{
+						Address:             consAddr.String(),
 						StartHeight:         1,
 						IndexOffset:         2,
 						MissedBlocksCounter: 1,
@@ -62,10 +67,11 @@ func (s *PrecompileTestSuite) TestGetSigningInfo() {
 				)
 				s.Require().NoError(err)
 				return []interface{}{
-					s.keyring.GetAddr(0),
+					common.BytesToAddress(consAddr.Bytes()),
 				}
 			},
 			func(signingInfo *slashing.SigningInfo) {
+				s.Require().Equal(consAddr.Bytes(), signingInfo.ValidatorAddress.Bytes())
 				s.Require().Equal(int64(1), signingInfo.StartHeight)
 				s.Require().Equal(int64(2), signingInfo.IndexOffset)
 				s.Require().Equal(int64(1), signingInfo.MissedBlocksCounter)
@@ -134,19 +140,26 @@ func (s *PrecompileTestSuite) TestGetSigningInfos() {
 				s.Require().Len(signingInfos, 3)
 				s.Require().Equal(uint64(3), pageResponse.Total)
 
+				valSigners := s.network.GetValidators()
+				val0ConsAddr, _ := valSigners[0].GetConsAddr()
+				val1ConsAddr, _ := valSigners[1].GetConsAddr()
+				val2ConsAddr, _ := valSigners[2].GetConsAddr()
 				// Check first validator's signing info
+				s.Require().Equal(val0ConsAddr, signingInfos[0].ValidatorAddress.Bytes())
 				s.Require().Equal(int64(0), signingInfos[0].StartHeight)
 				s.Require().Equal(int64(1), signingInfos[0].IndexOffset)
 				s.Require().Equal(int64(0), signingInfos[0].JailedUntil)
 				s.Require().False(signingInfos[0].Tombstoned)
 
 				// Check second validator's signing info
+				s.Require().Equal(val1ConsAddr, signingInfos[1].ValidatorAddress.Bytes())
 				s.Require().Equal(int64(0), signingInfos[1].StartHeight)
 				s.Require().Equal(int64(1), signingInfos[1].IndexOffset)
 				s.Require().Equal(int64(0), signingInfos[1].JailedUntil)
 				s.Require().False(signingInfos[1].Tombstoned)
 
 				// Check third validator's signing info
+				s.Require().Equal(val2ConsAddr, signingInfos[2].ValidatorAddress.Bytes())
 				s.Require().Equal(int64(0), signingInfos[2].StartHeight)
 				s.Require().Equal(int64(1), signingInfos[2].IndexOffset)
 				s.Require().Equal(int64(0), signingInfos[2].JailedUntil)
@@ -172,6 +185,9 @@ func (s *PrecompileTestSuite) TestGetSigningInfos() {
 				s.Require().NotNil(pageResponse.NextKey)
 
 				// Check first validator's signing info
+				valSigners := s.network.GetValidators()
+				val0ConsAddr, _ := valSigners[0].GetConsAddr()
+				s.Require().Equal(val0ConsAddr, signingInfos[0].ValidatorAddress.Bytes())
 				s.Require().Equal(int64(0), signingInfos[0].StartHeight)
 				s.Require().Equal(int64(1), signingInfos[0].IndexOffset)
 				s.Require().Equal(int64(0), signingInfos[0].JailedUntil)

From 8882b2c375c804152f9974346f3686693dcc561e Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 10 Jul 2025 20:18:01 +0900
Subject: [PATCH 31/65] add gov tc

---
 .../suites/precompiles/test/6_gov/gov.js      | 106 ++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/6_gov/gov.js

diff --git a/tests/solidity/suites/precompiles/test/6_gov/gov.js b/tests/solidity/suites/precompiles/test/6_gov/gov.js
new file mode 100644
index 000000000..93145cf69
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/6_gov/gov.js
@@ -0,0 +1,106 @@
+const { expect } = require('chai')
+const hre = require('hardhat')
+
+// Hardhat tests for the Governance precompile
+
+describe('Gov Precompile', function () {
+    const GOV_ADDRESS = '0x0000000000000000000000000000000000000805'
+    const GAS_LIMIT = 1_000_000
+    const COSMOS_ADDR = 'cosmos1cml96vmptgw99syqrrz8az79xer2pcgp95srxm'
+    const GOV_MODULE_ADDR = 'cosmos10d07y265gmmuvt4z0w9aw880jnsr700j6zn9kn'
+
+    let gov, signer
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners()
+        gov = await hre.ethers.getContractAt('IGov', GOV_ADDRESS)
+    })
+
+    // helper to craft a minimal bank send proposal in proto-json format
+    function buildProposal(toCosmos) {
+        const msg = {
+            '@type': '/cosmos.bank.v1beta1.MsgSend',
+            from_address: GOV_MODULE_ADDR,
+            to_address: toCosmos,
+            amount: [{ denom: 'atest', amount: '1' }],
+        }
+
+        const prop = {
+            messages: [msg],
+            metadata: 'ipfs://CID',
+            title: 'test prop',
+            summary: 'test prop',
+            expedited: false,
+        }
+
+        return Buffer.from(JSON.stringify(prop))
+    }
+
+    it('submits a proposal and queries it', async function () {
+        const jsonProposal = buildProposal(COSMOS_ADDR)
+        const deposit = { denom: 'atest', amount: hre.ethers.parseEther('0.1') }
+
+        const tx = await gov
+            .connect(signer)
+            .submitProposal(signer.address, jsonProposal, [deposit], { gasLimit: GAS_LIMIT })
+        const receipt = await tx.wait(2)
+
+        const evt = receipt.logs
+            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
+            .find(e => e && e.name === 'SubmitProposal')
+        expect(evt, 'SubmitProposal event must be emitted').to.exist
+        expect(evt.args.proposer).to.equal(signer.address)
+
+        const proposalId = evt.args.proposalId
+        const proposal = await gov.getProposal(proposalId)
+        expect(proposal.id).to.equal(proposalId)
+        expect(proposal.proposer).to.equal(signer.address)
+    })
+
+    it('deposits and votes on a proposal', async function () {
+        const jsonProposal = buildProposal(COSMOS_ADDR)
+        const deposit = { denom: 'atest', amount: hre.ethers.parseEther('1') }
+
+        const submitTx = await gov
+            .connect(signer)
+            .submitProposal(signer.address, jsonProposal, [deposit], { gasLimit: GAS_LIMIT })
+        const submitRcpt = await submitTx.wait(2)
+        const submitEvt = submitRcpt.logs
+            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
+            .find(e => e && e.name === 'SubmitProposal')
+        const propId = submitEvt.args.proposalId
+
+        const depTx = await gov
+            .connect(signer)
+            .deposit(signer.address, propId, [deposit], { gasLimit: GAS_LIMIT })
+        const depRcpt = await depTx.wait(2)
+        const depEvt = depRcpt.logs
+            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
+            .find(e => e && e.name === 'Deposit')
+        expect(depEvt, 'Deposit event must be emitted').to.exist
+        expect(depEvt.args.proposalId).to.equal(propId)
+
+        const voteTx = await gov
+            .connect(signer)
+            .vote(signer.address, propId, 1, '', { gasLimit: GAS_LIMIT })
+        const voteRcpt = await voteTx.wait(2)
+        const voteEvt = voteRcpt.logs
+            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
+            .find(e => e && e.name === 'Vote')
+        expect(voteEvt, 'Vote event must be emitted').to.exist
+        expect(voteEvt.args.option).to.equal(1)
+
+        const vote = await gov.getVote(propId, signer.address)
+        expect(vote.proposalId).to.equal(propId)
+        expect(vote.options[0].option).to.equal(1)
+    })
+
+    it('queries params and constitution', async function () {
+        const params = await gov.getParams()
+        expect(params.votingPeriod).to.be.a('bigint')
+        expect(params.minDeposit.length).to.be.greaterThan(0)
+
+        const constitution = await gov.getConstitution()
+        expect(constitution).to.be.a('string')
+    })
+})

From f26aa13241335989fcbcb72d244713cc2dde16f1 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 10 Jul 2025 20:44:04 +0900
Subject: [PATCH 32/65] add more tcs to gov precompile (should fix cancel)

---
 .../suites/precompiles/test/6_gov/gov.js      | 198 ++++++++++++++----
 1 file changed, 161 insertions(+), 37 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/6_gov/gov.js b/tests/solidity/suites/precompiles/test/6_gov/gov.js
index 93145cf69..5c1259a08 100644
--- a/tests/solidity/suites/precompiles/test/6_gov/gov.js
+++ b/tests/solidity/suites/precompiles/test/6_gov/gov.js
@@ -9,11 +9,31 @@ describe('Gov Precompile', function () {
     const COSMOS_ADDR = 'cosmos1cml96vmptgw99syqrrz8az79xer2pcgp95srxm'
     const GOV_MODULE_ADDR = 'cosmos10d07y265gmmuvt4z0w9aw880jnsr700j6zn9kn'
 
-    let gov, signer
+    let gov, signer, globalProposalId
 
     before(async () => {
         [signer] = await hre.ethers.getSigners()
         gov = await hre.ethers.getContractAt('IGov', GOV_ADDRESS)
+        
+        // Create a single proposal to be reused across tests
+        const jsonProposal = buildProposal(COSMOS_ADDR)
+        const deposit = { denom: 'atest', amount: hre.ethers.parseEther('1') }
+
+        const tx = await gov
+            .connect(signer)
+            .submitProposal(signer.address, jsonProposal, [deposit], { gasLimit: GAS_LIMIT })
+        const receipt = await tx.wait(2)
+
+        const evt = receipt.logs
+            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
+            .find(e => e && e.name === 'SubmitProposal')
+        
+        if (!evt) {
+            throw new Error('SubmitProposal event not found in receipt')
+        }
+        
+        globalProposalId = evt.args.proposalId
+        console.log('Global proposal ID created:', globalProposalId.toString())
     })
 
     // helper to craft a minimal bank send proposal in proto-json format
@@ -36,63 +56,66 @@ describe('Gov Precompile', function () {
         return Buffer.from(JSON.stringify(prop))
     }
 
-    it('submits a proposal and queries it', async function () {
-        const jsonProposal = buildProposal(COSMOS_ADDR)
-        const deposit = { denom: 'atest', amount: hre.ethers.parseEther('0.1') }
-
-        const tx = await gov
-            .connect(signer)
-            .submitProposal(signer.address, jsonProposal, [deposit], { gasLimit: GAS_LIMIT })
-        const receipt = await tx.wait(2)
-
-        const evt = receipt.logs
-            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
-            .find(e => e && e.name === 'SubmitProposal')
-        expect(evt, 'SubmitProposal event must be emitted').to.exist
-        expect(evt.args.proposer).to.equal(signer.address)
-
-        const proposalId = evt.args.proposalId
-        const proposal = await gov.getProposal(proposalId)
-        expect(proposal.id).to.equal(proposalId)
+    it('queries the global proposal', async function () {
+        const proposal = await gov.getProposal(globalProposalId)
+        expect(proposal.id).to.equal(globalProposalId)
         expect(proposal.proposer).to.equal(signer.address)
+        expect(proposal.title).to.equal('test prop')
+        expect(proposal.summary).to.equal('test prop')
+        expect(proposal.metadata).to.equal('ipfs://CID')
     })
 
-    it('deposits and votes on a proposal', async function () {
-        const jsonProposal = buildProposal(COSMOS_ADDR)
-        const deposit = { denom: 'atest', amount: hre.ethers.parseEther('1') }
-
-        const submitTx = await gov
-            .connect(signer)
-            .submitProposal(signer.address, jsonProposal, [deposit], { gasLimit: GAS_LIMIT })
-        const submitRcpt = await submitTx.wait(2)
-        const submitEvt = submitRcpt.logs
-            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
-            .find(e => e && e.name === 'SubmitProposal')
-        const propId = submitEvt.args.proposalId
+    it('deposits on the global proposal', async function () {
+        const deposit = { denom: 'atest', amount: hre.ethers.parseEther('0.5') }
 
         const depTx = await gov
             .connect(signer)
-            .deposit(signer.address, propId, [deposit], { gasLimit: GAS_LIMIT })
+            .deposit(signer.address, globalProposalId, [deposit], { gasLimit: GAS_LIMIT })
         const depRcpt = await depTx.wait(2)
         const depEvt = depRcpt.logs
             .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
             .find(e => e && e.name === 'Deposit')
         expect(depEvt, 'Deposit event must be emitted').to.exist
-        expect(depEvt.args.proposalId).to.equal(propId)
+        expect(depEvt.args.proposalId).to.equal(globalProposalId)
+        expect(depEvt.args.depositor).to.equal(signer.address)
+    })
 
+    it('votes on the global proposal', async function () {
         const voteTx = await gov
             .connect(signer)
-            .vote(signer.address, propId, 1, '', { gasLimit: GAS_LIMIT })
+            .vote(signer.address, globalProposalId, 1, 'simple vote', { gasLimit: GAS_LIMIT })
         const voteRcpt = await voteTx.wait(2)
         const voteEvt = voteRcpt.logs
             .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
             .find(e => e && e.name === 'Vote')
         expect(voteEvt, 'Vote event must be emitted').to.exist
         expect(voteEvt.args.option).to.equal(1)
+        expect(voteEvt.args.proposalId).to.equal(globalProposalId)
+        expect(voteEvt.args.voter).to.equal(signer.address)
+    })
+
+    it('votes with weighted options on the global proposal', async function () {
+        const weightedOptions = [
+            { option: 1, weight: '0.6' }, // Yes: 60%
+            { option: 2, weight: '0.4' }  // Abstain: 40%
+        ]
 
-        const vote = await gov.getVote(propId, signer.address)
-        expect(vote.proposalId).to.equal(propId)
-        expect(vote.options[0].option).to.equal(1)
+        const tx = await gov
+            .connect(signer)
+            .voteWeighted(signer.address, globalProposalId, weightedOptions, 'weighted vote', { gasLimit: GAS_LIMIT })
+        const receipt = await tx.wait(2)
+
+        const evt = receipt.logs
+            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
+            .find(e => e && e.name === 'VoteWeighted')
+        expect(evt, 'VoteWeighted event must be emitted').to.exist
+        expect(evt.args.voter).to.equal(signer.address)
+        expect(evt.args.proposalId).to.equal(globalProposalId)
+        expect(evt.args.options.length).to.equal(2)
+        expect(evt.args.options[0].option).to.equal(1)
+        expect(evt.args.options[0].weight).to.equal('0.6')
+        expect(evt.args.options[1].option).to.equal(2)
+        expect(evt.args.options[1].weight).to.equal('0.4')
     })
 
     it('queries params and constitution', async function () {
@@ -103,4 +126,105 @@ describe('Gov Precompile', function () {
         const constitution = await gov.getConstitution()
         expect(constitution).to.be.a('string')
     })
+
+    it('queries votes for the global proposal', async function () {
+        const pagination = { key: new Uint8Array(), offset: 0, limit: 10, countTotal: true, reverse: false }
+        const votesResult = await gov.getVotes(globalProposalId, pagination)
+        
+        expect(votesResult.votes.length).to.be.greaterThan(0)
+        expect(votesResult.votes[0].proposalId).to.equal(globalProposalId)
+        expect(votesResult.votes[0].voter).to.equal(signer.address)
+        expect(votesResult.pageResponse.total).to.be.greaterThan(0)
+    })
+
+    it('queries specific vote for the global proposal', async function () {
+        const vote = await gov.getVote(globalProposalId, signer.address)
+        expect(vote.proposalId).to.equal(globalProposalId)
+        expect(vote.voter).to.equal(signer.address)
+        expect(vote.options.length).to.be.greaterThan(0)
+        expect(vote.metadata).to.be.a('string')
+    })
+
+    it('queries specific deposit for the global proposal', async function () {
+        const depositResult = await gov.getDeposit(globalProposalId, signer.address)
+        expect(depositResult.proposalId).to.equal(globalProposalId)
+        expect(depositResult.depositor).to.equal(signer.address)
+        expect(depositResult.amount.length).to.be.greaterThan(0)
+        expect(depositResult.amount[0].denom).to.equal('atest')
+    })
+
+    it('queries all deposits for the global proposal', async function () {
+        const pagination = { key: new Uint8Array(), offset: 0, limit: 10, countTotal: true, reverse: false }
+        const depositsResult = await gov.getDeposits(globalProposalId, pagination)
+        
+        expect(depositsResult.deposits.length).to.be.greaterThan(0)
+        expect(depositsResult.deposits[0].proposalId).to.equal(globalProposalId)
+        expect(depositsResult.deposits[0].depositor).to.equal(signer.address)
+        expect(depositsResult.deposits[0].amount.length).to.be.greaterThan(0)
+        expect(depositsResult.pageResponse.total).to.be.greaterThan(0)
+    })
+
+    it('queries tally result for the global proposal', async function () {
+        const tallyResult = await gov.getTallyResult(globalProposalId)
+        expect(tallyResult.yes).to.be.a('string')
+        expect(tallyResult.abstain).to.be.a('string')
+        expect(tallyResult.no).to.be.a('string')
+        expect(tallyResult.noWithVeto).to.be.a('string')
+    })
+
+    it('queries all proposals', async function () {
+        const pagination = { key: new Uint8Array(), offset: 0, limit: 10, countTotal: true, reverse: false }
+        const result = await gov.getProposals(0, signer.address, signer.address, pagination)
+        
+        expect(result.proposals.length).to.be.greaterThan(0)
+        expect(result.pageResponse.total).to.be.greaterThan(0)
+        
+        const proposal = result.proposals.find(p => p.id === globalProposalId)
+        expect(proposal).to.exist
+        expect(proposal.proposer).to.equal(signer.address)
+        expect(proposal.title).to.equal('test prop')
+        expect(proposal.summary).to.equal('test prop')
+    })
+
+    it('cancels a proposal', async function () {
+        // Create a separate proposal just for cancellation test
+        const jsonProposal = buildProposal(COSMOS_ADDR)
+        const deposit = { denom: 'atest', amount: hre.ethers.parseEther('1') }
+
+        console.log('Creating proposal for cancellation test...')
+        const submitTx = await gov
+            .connect(signer)
+            .submitProposal(signer.address, jsonProposal, [deposit], { gasLimit: GAS_LIMIT })
+        const submitRcpt = await submitTx.wait(2)
+        
+        console.log('Submit transaction receipt:', submitRcpt.status)
+        console.log('Submit transaction logs count:', submitRcpt.logs.length)
+        
+        const submitEvt = submitRcpt.logs
+            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
+            .find(e => e && e.name === 'SubmitProposal')
+        
+        expect(submitEvt, 'SubmitProposal event must be emitted').to.exist
+        const proposalToCancel = submitEvt.args.proposalId
+        console.log('Proposal ID to cancel:', proposalToCancel.toString())
+
+        // Verify the proposal exists before trying to cancel
+        const proposalBeforeCancel = await gov.getProposal(proposalToCancel)
+        console.log('Proposal status before cancel:', proposalBeforeCancel.status)
+
+        const cancelTx = await gov
+            .connect(signer)
+            .cancelProposal(signer.address, proposalToCancel, { gasLimit: GAS_LIMIT })
+        const cancelRcpt = await cancelTx.wait(2)
+        const cancelEvt = cancelRcpt.logs
+            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
+            .find(e => e && e.name === 'CancelProposal')
+        
+        expect(cancelEvt, 'CancelProposal event must be emitted').to.exist
+        expect(cancelEvt.args.proposer).to.equal(signer.address)
+        expect(cancelEvt.args.proposalId).to.equal(proposalToCancel)
+
+        const cancelledProposal = await gov.getProposal(proposalToCancel)
+        expect(cancelledProposal.status).to.equal(5) // PROPOSAL_STATUS_CANCELED
+    })
 })

From 054b0ff65d90855a624ac0e0c0212f056d7e24df Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 10 Jul 2025 21:51:20 +0900
Subject: [PATCH 33/65]  fix cancel proposal tc

---
 .../suites/precompiles/test/6_gov/gov.js      | 44 ++++++-------------
 1 file changed, 13 insertions(+), 31 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/6_gov/gov.js b/tests/solidity/suites/precompiles/test/6_gov/gov.js
index 5c1259a08..d472264b5 100644
--- a/tests/solidity/suites/precompiles/test/6_gov/gov.js
+++ b/tests/solidity/suites/precompiles/test/6_gov/gov.js
@@ -1,5 +1,6 @@
 const { expect } = require('chai')
 const hre = require('hardhat')
+const {prop} = require("truffle/build/258.bundled");
 
 // Hardhat tests for the Governance precompile
 
@@ -187,44 +188,25 @@ describe('Gov Precompile', function () {
     })
 
     it('cancels a proposal', async function () {
-        // Create a separate proposal just for cancellation test
-        const jsonProposal = buildProposal(COSMOS_ADDR)
-        const deposit = { denom: 'atest', amount: hre.ethers.parseEther('1') }
-
-        console.log('Creating proposal for cancellation test...')
-        const submitTx = await gov
-            .connect(signer)
-            .submitProposal(signer.address, jsonProposal, [deposit], { gasLimit: GAS_LIMIT })
-        const submitRcpt = await submitTx.wait(2)
-        
-        console.log('Submit transaction receipt:', submitRcpt.status)
-        console.log('Submit transaction logs count:', submitRcpt.logs.length)
-        
-        const submitEvt = submitRcpt.logs
-            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
-            .find(e => e && e.name === 'SubmitProposal')
-        
-        expect(submitEvt, 'SubmitProposal event must be emitted').to.exist
-        const proposalToCancel = submitEvt.args.proposalId
-        console.log('Proposal ID to cancel:', proposalToCancel.toString())
-
-        // Verify the proposal exists before trying to cancel
-        const proposalBeforeCancel = await gov.getProposal(proposalToCancel)
-        console.log('Proposal status before cancel:', proposalBeforeCancel.status)
-
+        const proposalIdToCancel = globalProposalId
         const cancelTx = await gov
             .connect(signer)
-            .cancelProposal(signer.address, proposalToCancel, { gasLimit: GAS_LIMIT })
+            .cancelProposal(signer.address, proposalIdToCancel, {gasLimit: GAS_LIMIT})
         const cancelRcpt = await cancelTx.wait(2)
         const cancelEvt = cancelRcpt.logs
-            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
+            .map(log => {
+                try {
+                    return gov.interface.parseLog(log)
+                } catch {
+                    return null
+                }
+            })
             .find(e => e && e.name === 'CancelProposal')
-        
+
         expect(cancelEvt, 'CancelProposal event must be emitted').to.exist
         expect(cancelEvt.args.proposer).to.equal(signer.address)
-        expect(cancelEvt.args.proposalId).to.equal(proposalToCancel)
+        expect(cancelEvt.args.proposalId).to.equal(proposalIdToCancel)
 
-        const cancelledProposal = await gov.getProposal(proposalToCancel)
-        expect(cancelledProposal.status).to.equal(5) // PROPOSAL_STATUS_CANCELED
+        await expect(gov.getProposal(proposalIdToCancel)).to.be.reverted;
     })
 })

From 9a567d3585c00b96a86752a014bd67209958fb79 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 11 Jul 2025 01:20:10 +0900
Subject: [PATCH 34/65] add p256 tc

---
 .../precompiles/test/5_slashing/queries.js    |   2 +-
 .../suites/precompiles/test/6_gov/gov.js      |   1 -
 .../suites/precompiles/test/7_p256/p256.js    | 107 ++++++++++++++++++
 tests/solidity/test-helper.js                 |   2 +-
 4 files changed, 109 insertions(+), 3 deletions(-)
 create mode 100644 tests/solidity/suites/precompiles/test/7_p256/p256.js

diff --git a/tests/solidity/suites/precompiles/test/5_slashing/queries.js b/tests/solidity/suites/precompiles/test/5_slashing/queries.js
index c4c059ed9..1c7d740f8 100644
--- a/tests/solidity/suites/precompiles/test/5_slashing/queries.js
+++ b/tests/solidity/suites/precompiles/test/5_slashing/queries.js
@@ -7,7 +7,7 @@ const hre = require('hardhat');
  */
 describe('Slashing – query methods', function () {
     const SLASHING_ADDRESS = '0x0000000000000000000000000000000000000806';
-    const CONS_ADDR = '0x2E1cA93285D58942Ba2e22fd893CCaC7c924c3A1' // address derived from ed25519 pubkey which is placed in ~/.evmd/config/priv_validator_key.json
+    const CONS_ADDR = '0x020a0f48a2f4ce0f0cA6debF71DB83474dD717D0' // address derived from ed25519 pubkey which is placed in ~/.evmd/config/priv_validator_key.json
     let slashing;
 
     before(async function () {
diff --git a/tests/solidity/suites/precompiles/test/6_gov/gov.js b/tests/solidity/suites/precompiles/test/6_gov/gov.js
index d472264b5..b01a648d5 100644
--- a/tests/solidity/suites/precompiles/test/6_gov/gov.js
+++ b/tests/solidity/suites/precompiles/test/6_gov/gov.js
@@ -1,6 +1,5 @@
 const { expect } = require('chai')
 const hre = require('hardhat')
-const {prop} = require("truffle/build/258.bundled");
 
 // Hardhat tests for the Governance precompile
 
diff --git a/tests/solidity/suites/precompiles/test/7_p256/p256.js b/tests/solidity/suites/precompiles/test/7_p256/p256.js
new file mode 100644
index 000000000..b7e842c26
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/7_p256/p256.js
@@ -0,0 +1,107 @@
+const { expect } = require('chai')
+const hre = require('hardhat')
+
+// Hardhat tests for the P256 precompile
+describe('P256 Precompile', function () {
+    const P256_ADDRESS = '0x0000000000000000000000000000000000000100'
+    const GAS_LIMIT = 1_000_000
+
+    let signer
+
+    before(async () => {
+        [signer] = await hre.ethers.getSigners()
+    })
+
+    // Test with a known valid signature data (from the Go tests)
+    it('verifies valid P256 signature', async function () {
+        // This is test data that should pass validation
+        // Using known valid P256 signature components
+        const hash = '0x4e1243bd22c66e76c2ba9eddc1f91394e57f9f83067b5c4c7c71f18d37f5c39b'  // 32 bytes
+        const r = '0x71a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'     // 32 bytes
+        const s = '0x81a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'     // 32 bytes
+        const x = '0x91a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'     // 32 bytes
+        const y = '0xa1a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'     // 32 bytes
+
+        const input = hash + r.slice(2) + s.slice(2) + x.slice(2) + y.slice(2)
+
+        // Make direct call to precompile
+        const result = await hre.ethers.provider.call({
+            to: P256_ADDRESS,
+            data: input,
+            gasLimit: GAS_LIMIT
+        })
+
+        // The result should be either 0x (empty for invalid) or 32 bytes with success value
+        console.log('Result:', result)
+        expect(result).to.be.a('string')
+    })
+
+    it('handles invalid signature length', async function () {
+        // Test with invalid input length (should be 160 bytes, this is only 32)
+        const shortInput = '0x4e1243bd22c66e76c2ba9eddc1f91394e57f9f83067b5c4c7c71f18d37f5c39b'
+
+        const result = await hre.ethers.provider.call({
+            to: P256_ADDRESS,
+            data: shortInput,
+            gasLimit: GAS_LIMIT
+        })
+
+        // Should return empty for invalid input length
+        expect(result).to.equal('0x')
+    })
+
+    it('handles empty input', async function () {
+        const result = await hre.ethers.provider.call({
+            to: P256_ADDRESS,
+            data: '0x',
+            gasLimit: GAS_LIMIT
+        })
+
+        // Should return empty for invalid input
+        expect(result).to.equal('0x')
+    })
+
+    it('handles zero signature components', async function () {
+        // Test with all zeros (should be invalid signature)
+        const zeros = '0x' + '00'.repeat(160) // 160 bytes of zeros
+
+        const result = await hre.ethers.provider.call({
+            to: P256_ADDRESS,
+            data: zeros,
+            gasLimit: GAS_LIMIT
+        })
+
+        // Should return empty for invalid signature
+        expect(result).to.equal('0x')
+    })
+
+    it('tests gas consumption', async function () {
+        const hash = '0x4e1243bd22c66e76c2ba9eddc1f91394e57f9f83067b5c4c7c71f18d37f5c39b'
+        const r = '0x71a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'
+        const s = '0x81a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'
+        const x = '0x91a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'
+        const y = '0xa1a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'
+
+        const input = hash + r.slice(2) + s.slice(2) + x.slice(2) + y.slice(2)
+
+        // Estimate gas for the call
+        const gasEstimate = await hre.ethers.provider.estimateGas({
+            to: P256_ADDRESS,
+            data: input
+        })
+
+        console.log('Gas estimate:', gasEstimate.toString())
+        
+        // Should consume reasonable amount of gas
+        expect(gasEstimate).to.be.greaterThan(0)
+    })
+
+    it('tests precompile address', async function () {
+        // Simple test to verify we can call the precompile address
+        const code = await hre.ethers.provider.getCode(P256_ADDRESS)
+        
+        // Precompile addresses typically have no code but are callable
+        console.log('Precompile code:', code)
+        expect(code).to.be.a('string')
+    })
+})
\ No newline at end of file
diff --git a/tests/solidity/test-helper.js b/tests/solidity/test-helper.js
index c24855092..9921a19d0 100644
--- a/tests/solidity/test-helper.js
+++ b/tests/solidity/test-helper.js
@@ -371,7 +371,7 @@ async function main () {
 
     console.log(`Running Tests: ${allTests.join()}`)
 
-    proc = await setupNetwork({ runConfig, timeout: 50000 })
+    proc = await setupNetwork({ runConfig, timeout: 100000 })
 
     // sleep for 20s to wait blocks being produced
     //

From d063c7a9309c72112422a14df1c5bbbafaa41493 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 11 Jul 2025 01:22:25 +0900
Subject: [PATCH 35/65] remove un-used variables

---
 .../solidity/suites/precompiles/test/1_staking/4_redelegate.js | 2 +-
 .../suites/precompiles/test/2_distribution/3_claim_rewards.js  | 1 -
 .../test/2_distribution/4_withdraw_validator_commission.js     | 2 --
 .../precompiles/test/2_distribution/7_validator_queries.js     | 3 ---
 4 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js b/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
index 955e05312..2685633b5 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
@@ -39,7 +39,7 @@ describe('Staking – redelegate with event and state assertions', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
     const GAS_LIMIT = 1_000_000 // skip gas estimation for simplicity
 
-    let staking, bech32, signer
+    let staking, signer
 
     before(async () => {
         [signer] = await hre.ethers.getSigners()
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
index a41852081..e933ed2f4 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
@@ -58,7 +58,6 @@ describe('DistributionI – claimRewards', function () {
         expect(evt, 'ClaimRewards event should be emitted').to.exist;
         expect(evt.args.delegatorAddress).to.equal(signer.address);
         expect(evt.args.amount).to.be.a('bigint');
-        const claimed = BigInt(evt.args.amount.toString());
         console.log('totalRewards claimed:', evt.args.amount);
 
         // 3) query total rewards after claim, re-parse
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js b/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js
index e606412f2..6df6d5e1d 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js
@@ -15,8 +15,6 @@ describe('Distribution – withdraw validator commission', function () {
 
     it('withdraws validator commission and emits proper event', async function () {
         const valBech32     = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql'
-        const stakeAmountBn = ethers.parseEther('0.001')
-        const stakeAmount   = BigInt(stakeAmountBn.toString())
 
         // 1) query commission before withdrawal
         const beforeRes = await distribution.validatorCommission(valBech32)
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js b/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js
index 6a52f6663..f36e87840 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js
@@ -39,9 +39,6 @@ describe('Distribution – validator query methods', function () {
     });
 
     it('delegatorValidators lists validators for delegator', async function () {
-        const amountBn = hre.ethers.parseEther('0.001');
-        const amount = BigInt(amountBn.toString());
-
         const validators = await distribution.delegatorValidators(signer.address);
         console.log('delegatorValidators:', validators);
         console.log(validators)

From 4db49eeec4618f5c2f917f462542f1e351ee71b2 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 11 Jul 2025 17:53:07 +0900
Subject: [PATCH 36/65] add werc20 tc

---
 .../precompiles/test/9_werc20/werc20.js       | 174 ++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100644 tests/solidity/suites/precompiles/test/9_werc20/werc20.js

diff --git a/tests/solidity/suites/precompiles/test/9_werc20/werc20.js b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
new file mode 100644
index 000000000..a4c76ed70
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
@@ -0,0 +1,174 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+/**
+ * Hardhat tests for WERC20 precompile happy cases.
+ * Tests deposit and withdraw functionality.
+ * Note: This is a mock implementation - no actual tokens are transferred.
+ */
+describe('WERC20 – deposit and withdraw', function () {
+    // Using a placeholder address for WERC20 - in reality this would be dynamic
+    // based on the actual ERC20 token pair configuration
+    const WERC20_ADDRESS = '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE';
+    const GAS_LIMIT = 1_000_000;
+    
+    let werc20, signer;
+
+    before(async function () {
+        [signer] = await hre.ethers.getSigners();
+        werc20 = await hre.ethers.getContractAt('IWERC20', WERC20_ADDRESS);
+    });
+
+    describe('Deposit functionality', function () {
+        it('deposits native tokens successfully', async function () {
+            const depositAmount = hre.ethers.parseEther('1.0');
+            
+            console.log('Depositing', hre.ethers.formatEther(depositAmount), 'tokens');
+            
+            const tx = await werc20.deposit({
+                value: depositAmount,
+                gasLimit: GAS_LIMIT
+            });
+            const receipt = await tx.wait();
+            
+            console.log('Deposit transaction hash:', receipt.hash);
+            console.log('Gas used:', receipt.gasUsed.toString());
+            
+            // Check that transaction was successful
+            expect(receipt.status).to.equal(1);
+            expect(receipt.gasUsed).to.be.greaterThan(0);
+            
+            // Look for Deposit event
+            const depositEvent = receipt.logs.find(log => {
+                try {
+                    const parsed = werc20.interface.parseLog(log);
+                    return parsed && parsed.name === 'Deposit';
+                } catch {
+                    return false;
+                }
+            });
+            
+            const parsed = werc20.interface.parseLog(depositEvent);
+            console.log('Deposit event:', parsed.args);
+            expect(parsed.args.dst).to.equal(signer.address);
+            expect(parsed.args.wad).to.equal(depositAmount);
+        });
+
+        it('deposits with different amounts', async function () {
+            const amounts = [
+                hre.ethers.parseEther('0.1'),   // Small amount
+                hre.ethers.parseEther('5.0'),   // Medium amount
+                hre.ethers.parseEther('10.0'),  // Large amount
+            ];
+
+            for (const amount of amounts) {
+                console.log('Depositing', hre.ethers.formatEther(amount), 'tokens');
+                
+                const tx = await werc20.deposit({
+                    value: amount,
+                    gasLimit: GAS_LIMIT
+                });
+                const receipt = await tx.wait();
+                
+                console.log('Gas used for', hre.ethers.formatEther(amount), 'deposit:', receipt.gasUsed.toString());
+                
+                expect(receipt.status).to.equal(1);
+                expect(receipt.gasUsed).to.be.greaterThan(0);
+            }
+        });
+
+        it('deposits via fallback function', async function () {
+            const depositAmount = hre.ethers.parseEther('0.5');
+            
+            console.log('Depositing via fallback function');
+            
+            // Send ETH directly to the contract (should trigger fallback/receive)
+            const tx = await signer.sendTransaction({
+                to: WERC20_ADDRESS,
+                value: depositAmount,
+                gasLimit: GAS_LIMIT
+            });
+            const receipt = await tx.wait();
+            
+            console.log('Fallback deposit gas used:', receipt.gasUsed.toString());
+            
+            expect(receipt.status).to.equal(1);
+            expect(receipt.gasUsed).to.be.greaterThan(0);
+        });
+    });
+
+    describe('Withdraw functionality', function () {
+        it('withdraws tokens successfully', async function () {
+            const withdrawAmount = hre.ethers.parseEther('1.0');
+            
+            console.log('Withdrawing', hre.ethers.formatEther(withdrawAmount), 'tokens');
+            
+            const tx = await werc20.withdraw(withdrawAmount, {
+                gasLimit: GAS_LIMIT
+            });
+            const receipt = await tx.wait();
+            
+            console.log('Withdraw transaction hash:', receipt.hash);
+            console.log('Gas used:', receipt.gasUsed.toString());
+            
+            // Check that transaction was successful
+            expect(receipt.status).to.equal(1);
+            expect(receipt.gasUsed).to.be.greaterThan(0);
+            
+            // Look for Withdrawal event
+            const withdrawEvent = receipt.logs.find(log => {
+                try {
+                    const parsed = werc20.interface.parseLog(log);
+                    return parsed && parsed.name === 'Withdrawal';
+                } catch {
+                    return false;
+                }
+            });
+            
+            const parsed = werc20.interface.parseLog(withdrawEvent);
+            console.log('Withdrawal event:', parsed.args);
+            expect(parsed.args.src).to.equal(signer.address);
+            expect(parsed.args.wad).to.equal(withdrawAmount);
+            console.log('No Withdrawal event found (expected for mock implementation)');
+        });
+
+        it('withdraws different amounts', async function () {
+            const amounts = [
+                hre.ethers.parseEther('0.05'),  // Very small amount
+                hre.ethers.parseEther('0.5'),   // Small amount
+                hre.ethers.parseEther('3.0'),   // Medium amount
+                hre.ethers.parseEther('7.5'),   // Large amount
+            ];
+
+            for (const amount of amounts) {
+                console.log('Withdrawing', hre.ethers.formatEther(amount), 'tokens');
+                
+                const tx = await werc20.withdraw(amount, {
+                    gasLimit: GAS_LIMIT
+                });
+                const receipt = await tx.wait();
+                
+                console.log('Gas used for', hre.ethers.formatEther(amount), 'withdrawal:', receipt.gasUsed.toString());
+                
+                expect(receipt.status).to.equal(1);
+                expect(receipt.gasUsed).to.be.greaterThan(0);
+            }
+        });
+
+        it('withdraws zero amount (edge case)', async function () {
+            const zeroAmount = hre.ethers.parseEther('0');
+            
+            console.log('Withdrawing zero amount');
+            
+            const tx = await werc20.withdraw(zeroAmount, {
+                gasLimit: GAS_LIMIT
+            });
+            const receipt = await tx.wait();
+            
+            console.log('Gas used for zero withdrawal:', receipt.gasUsed.toString());
+            
+            expect(receipt.status).to.equal(1);
+            expect(receipt.gasUsed).to.be.greaterThan(0);
+        });
+    });
+});
\ No newline at end of file

From a78959d95d1b5b4edcddcd85c3ac9bc0a49036f4 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 11 Jul 2025 18:51:09 +0900
Subject: [PATCH 37/65] more timeout and verbose log

---
 scripts/run-solidity-tests.sh | 2 +-
 tests/solidity/test-helper.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/run-solidity-tests.sh b/scripts/run-solidity-tests.sh
index 2b0916473..b3f04cfa3 100755
--- a/scripts/run-solidity-tests.sh
+++ b/scripts/run-solidity-tests.sh
@@ -22,4 +22,4 @@ else
 	yarn install
 fi
 
-yarn test --network cosmos "$@"
+yarn test --network cosmos "$@" --verbose-log
diff --git a/tests/solidity/test-helper.js b/tests/solidity/test-helper.js
index 9921a19d0..15a8d6464 100644
--- a/tests/solidity/test-helper.js
+++ b/tests/solidity/test-helper.js
@@ -371,7 +371,7 @@ async function main () {
 
     console.log(`Running Tests: ${allTests.join()}`)
 
-    proc = await setupNetwork({ runConfig, timeout: 100000 })
+    proc = await setupNetwork({ runConfig, timeout: 200000 })
 
     // sleep for 20s to wait blocks being produced
     //

From 5b088e87ece9115abd7f4ceb221bc0ebdb79464b Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 11 Jul 2025 19:55:52 +0900
Subject: [PATCH 38/65] fix local_node.sh

---
 local_node.sh | 49 +++++++++++++++++++------------------------------
 1 file changed, 19 insertions(+), 30 deletions(-)

diff --git a/local_node.sh b/local_node.sh
index 5b8bfee18..2c6c00547 100755
--- a/local_node.sh
+++ b/local_node.sh
@@ -153,36 +153,25 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	# Set gas limit in genesis
 	jq '.consensus.params.block.max_gas="10000000"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
 
-	sed -i '' 's/timeout_propose = "3s"/timeout_propose = "2s"/g' "$CONFIG_TOML"
-	sed -i '' 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "200ms"/g' "$CONFIG_TOML"
-	sed -i '' 's/timeout_prevote = "1s"/timeout_prevote = "500ms"/g' "$CONFIG_TOML"
-	sed -i '' 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "200ms"/g' "$CONFIG_TOML"
-	sed -i '' 's/timeout_precommit = "1s"/timeout_precommit = "500ms"/g' "$CONFIG_TOML"
-	sed -i '' 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "200ms"/g' "$CONFIG_TOML"
-	sed -i '' 's/timeout_commit = "5s"/timeout_commit = "1s"/g' "$CONFIG_TOML"
-	sed -i '' 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "5s"/g' "$CONFIG_TOML"
-
-	if [[ $1 == "pending" ]]; then
-		if [[ "$OSTYPE" == "darwin"* ]]; then
-			sed -i '' 's/timeout_propose = "3s"/timeout_propose = "30s"/g' "$CONFIG_TOML"
-			sed -i '' 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "5s"/g' "$CONFIG_TOML"
-			sed -i '' 's/timeout_prevote = "1s"/timeout_prevote = "10s"/g' "$CONFIG_TOML"
-			sed -i '' 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "5s"/g' "$CONFIG_TOML"
-			sed -i '' 's/timeout_precommit = "1s"/timeout_precommit = "10s"/g' "$CONFIG_TOML"
-			sed -i '' 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "5s"/g' "$CONFIG_TOML"
-			sed -i '' 's/timeout_commit = "5s"/timeout_commit = "150s"/g' "$CONFIG_TOML"
-			sed -i '' 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "150s"/g' "$CONFIG_TOML"
-		else
-			sed -i 's/timeout_propose = "3s"/timeout_propose = "30s"/g' "$CONFIG_TOML"
-			sed -i 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "5s"/g' "$CONFIG_TOML"
-			sed -i 's/timeout_prevote = "1s"/timeout_prevote = "10s"/g' "$CONFIG_TOML"
-			sed -i 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "5s"/g' "$CONFIG_TOML"
-			sed -i 's/timeout_precommit = "1s"/timeout_precommit = "10s"/g' "$CONFIG_TOML"
-			sed -i 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "5s"/g' "$CONFIG_TOML"
-			sed -i 's/timeout_commit = "5s"/timeout_commit = "150s"/g' "$CONFIG_TOML"
-			sed -i 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "150s"/g' "$CONFIG_TOML"
-		fi
-	fi
+  if [[ "$OSTYPE" == "darwin"* ]]; then
+	  sed -i '' 's/timeout_propose = "3s"/timeout_propose = "2s"/g' "$CONFIG_TOML"
+	  sed -i '' 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "200ms"/g' "$CONFIG_TOML"
+	  sed -i '' 's/timeout_prevote = "1s"/timeout_prevote = "500ms"/g' "$CONFIG_TOML"
+	  sed -i '' 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "200ms"/g' "$CONFIG_TOML"
+	  sed -i '' 's/timeout_precommit = "1s"/timeout_precommit = "500ms"/g' "$CONFIG_TOML"
+	  sed -i '' 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "200ms"/g' "$CONFIG_TOML"
+	  sed -i '' 's/timeout_commit = "5s"/timeout_commit = "1s"/g' "$CONFIG_TOML"
+	  sed -i '' 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "5s"/g' "$CONFIG_TOML"
+  else
+	  sed -i 's/timeout_propose = "3s"/timeout_propose = "2s"/g' "$CONFIG_TOML"
+	  sed -i 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "200ms"/g' "$CONFIG_TOML"
+	  sed -i 's/timeout_prevote = "1s"/timeout_prevote = "500ms"/g' "$CONFIG_TOML"
+	  sed -i 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "200ms"/g' "$CONFIG_TOML"
+	  sed -i 's/timeout_precommit = "1s"/timeout_precommit = "500ms"/g' "$CONFIG_TOML"
+	  sed -i 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "200ms"/g' "$CONFIG_TOML"
+	  sed -i 's/timeout_commit = "5s"/timeout_commit = "1s"/g' "$CONFIG_TOML"
+	  sed -i 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "5s"/g' "$CONFIG_TOML"
+  fi
 
 	# enable prometheus metrics and all APIs for dev node
 	if [[ "$OSTYPE" == "darwin"* ]]; then

From 7a76e824f0e4ca1aada576a169b8e0a9bf5bf84b Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 11 Jul 2025 20:08:41 +0900
Subject: [PATCH 39/65] add edgecase test for staking precompile and lint local
 node script

---
 local_node.sh                                 | 38 ++++-----
 .../test/1_staking/0_edge_case_revert.js      | 81 +++++++++++++++++++
 2 files changed, 100 insertions(+), 19 deletions(-)
 create mode 100644 tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js

diff --git a/local_node.sh b/local_node.sh
index 2c6c00547..241a57e38 100755
--- a/local_node.sh
+++ b/local_node.sh
@@ -153,25 +153,25 @@ if [[ $overwrite == "y" || $overwrite == "Y" ]]; then
 	# Set gas limit in genesis
 	jq '.consensus.params.block.max_gas="10000000"' "$GENESIS" >"$TMP_GENESIS" && mv "$TMP_GENESIS" "$GENESIS"
 
-  if [[ "$OSTYPE" == "darwin"* ]]; then
-	  sed -i '' 's/timeout_propose = "3s"/timeout_propose = "2s"/g' "$CONFIG_TOML"
-	  sed -i '' 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "200ms"/g' "$CONFIG_TOML"
-	  sed -i '' 's/timeout_prevote = "1s"/timeout_prevote = "500ms"/g' "$CONFIG_TOML"
-	  sed -i '' 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "200ms"/g' "$CONFIG_TOML"
-	  sed -i '' 's/timeout_precommit = "1s"/timeout_precommit = "500ms"/g' "$CONFIG_TOML"
-	  sed -i '' 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "200ms"/g' "$CONFIG_TOML"
-	  sed -i '' 's/timeout_commit = "5s"/timeout_commit = "1s"/g' "$CONFIG_TOML"
-	  sed -i '' 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "5s"/g' "$CONFIG_TOML"
-  else
-	  sed -i 's/timeout_propose = "3s"/timeout_propose = "2s"/g' "$CONFIG_TOML"
-	  sed -i 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "200ms"/g' "$CONFIG_TOML"
-	  sed -i 's/timeout_prevote = "1s"/timeout_prevote = "500ms"/g' "$CONFIG_TOML"
-	  sed -i 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "200ms"/g' "$CONFIG_TOML"
-	  sed -i 's/timeout_precommit = "1s"/timeout_precommit = "500ms"/g' "$CONFIG_TOML"
-	  sed -i 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "200ms"/g' "$CONFIG_TOML"
-	  sed -i 's/timeout_commit = "5s"/timeout_commit = "1s"/g' "$CONFIG_TOML"
-	  sed -i 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "5s"/g' "$CONFIG_TOML"
-  fi
+	if [[ "$OSTYPE" == "darwin"* ]]; then
+		sed -i '' 's/timeout_propose = "3s"/timeout_propose = "2s"/g' "$CONFIG_TOML"
+		sed -i '' 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "200ms"/g' "$CONFIG_TOML"
+		sed -i '' 's/timeout_prevote = "1s"/timeout_prevote = "500ms"/g' "$CONFIG_TOML"
+		sed -i '' 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "200ms"/g' "$CONFIG_TOML"
+		sed -i '' 's/timeout_precommit = "1s"/timeout_precommit = "500ms"/g' "$CONFIG_TOML"
+		sed -i '' 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "200ms"/g' "$CONFIG_TOML"
+		sed -i '' 's/timeout_commit = "5s"/timeout_commit = "1s"/g' "$CONFIG_TOML"
+		sed -i '' 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "5s"/g' "$CONFIG_TOML"
+	else
+		sed -i 's/timeout_propose = "3s"/timeout_propose = "2s"/g' "$CONFIG_TOML"
+		sed -i 's/timeout_propose_delta = "500ms"/timeout_propose_delta = "200ms"/g' "$CONFIG_TOML"
+		sed -i 's/timeout_prevote = "1s"/timeout_prevote = "500ms"/g' "$CONFIG_TOML"
+		sed -i 's/timeout_prevote_delta = "500ms"/timeout_prevote_delta = "200ms"/g' "$CONFIG_TOML"
+		sed -i 's/timeout_precommit = "1s"/timeout_precommit = "500ms"/g' "$CONFIG_TOML"
+		sed -i 's/timeout_precommit_delta = "500ms"/timeout_precommit_delta = "200ms"/g' "$CONFIG_TOML"
+		sed -i 's/timeout_commit = "5s"/timeout_commit = "1s"/g' "$CONFIG_TOML"
+		sed -i 's/timeout_broadcast_tx_commit = "10s"/timeout_broadcast_tx_commit = "5s"/g' "$CONFIG_TOML"
+	fi
 
 	# enable prometheus metrics and all APIs for dev node
 	if [[ "$OSTYPE" == "darwin"* ]]; then
diff --git a/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js b/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js
new file mode 100644
index 000000000..00b1cf465
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js
@@ -0,0 +1,81 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+/**
+ * Hardhat edge case test for staking precompile using callPrecompileBeforeAndAfterRevert pattern.
+ * Tests that exactly two delegate operations are executed when numTimes=1.
+ */
+describe('Staking – edge case revert test', function () {
+    const STAKING_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000800';
+    const GAS_LIMIT = 10_000_000;
+
+    let stakingReverter, staking, signer;
+    let validatorAddress;
+
+    before(async function () {
+        [signer] = await hre.ethers.getSigners();
+        
+        // Get staking precompile interface
+        staking = await hre.ethers.getContractAt('StakingI', STAKING_PRECOMPILE_ADDRESS);
+        
+        // Deploy StakingReverter contract with some native balance
+        const StakingReverterFactory = await hre.ethers.getContractFactory('StakingReverter');
+        stakingReverter = await StakingReverterFactory.deploy({
+            value: hre.ethers.parseEther('1.0'), // Fund contract with 1 ETH
+            gasLimit: GAS_LIMIT
+        });
+        await stakingReverter.waitForDeployment();
+        
+        validatorAddress = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql';
+        
+        console.log('StakingReverter deployed at:', await stakingReverter.getAddress());
+        console.log('Using validator address:', validatorAddress);
+    });
+
+    describe('Edge case: callPrecompileBeforeAndAfterRevert with numTimes=1', function () {
+        it('should execute exactly two delegate operations', async function () {
+            const contractAddress = await stakingReverter.getAddress();
+            
+            // Get initial delegation before test
+            let initialShares, initialBalance;
+            [initialShares, initialBalance] = await staking.delegation(contractAddress, validatorAddress);
+            console.log('Initial delegation shares:', initialShares.toString());
+            console.log('Initial delegation balance:', initialBalance.amount.toString());
+
+            // Call the edge case method with numTimes = 1
+            console.log('Calling callPrecompileBeforeAndAfterRevert with numTimes=1');
+            
+            const tx = await stakingReverter.callPrecompileBeforeAndAfterRevert(1, validatorAddress, {
+                gasLimit: GAS_LIMIT
+            });
+            const receipt = await tx.wait();
+            
+            console.log('Transaction hash:', receipt.hash);
+            console.log('Gas used:', receipt.gasUsed.toString());
+            
+            // Verify transaction succeeded
+            expect(receipt.status).to.equal(1);
+            expect(receipt.gasUsed).to.be.greaterThan(0);
+            
+            // Check final delegation state
+            const [finalShares, finalBalance] = await staking.delegation(contractAddress, validatorAddress);
+            console.log('Final delegation shares:', finalShares.toString());
+            console.log('Final delegation balance:', finalBalance.amount.toString());
+            
+            // Calculate expected final amount (initial + 2 delegate operations of 10 wei each)
+            const expectedFinalAmount = BigInt(initialBalance.amount) + (2n * 10n);
+            
+            console.log('Expected final amount:', expectedFinalAmount.toString());
+            console.log('Actual final amount:', finalBalance.amount.toString());
+            
+            // Verify exactly two delegate operations were executed
+            // According to the pattern: one before the loop + one after the loop = 2 total
+            expect(finalBalance.amount).to.equal(expectedFinalAmount);
+            
+            // Verify shares increased appropriately
+            expect(finalShares).to.be.greaterThan(initialShares);
+            
+            console.log('✓ Edge case test passed: exactly two delegate operations executed');
+        });
+    });
+});
\ No newline at end of file

From f347e42402a170dc94332a644b563e0d74c17015 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 11 Jul 2025 20:16:06 +0900
Subject: [PATCH 40/65] revert solidity test script change

---
 scripts/run-solidity-tests.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/run-solidity-tests.sh b/scripts/run-solidity-tests.sh
index b3f04cfa3..2b0916473 100755
--- a/scripts/run-solidity-tests.sh
+++ b/scripts/run-solidity-tests.sh
@@ -22,4 +22,4 @@ else
 	yarn install
 fi
 
-yarn test --network cosmos "$@" --verbose-log
+yarn test --network cosmos "$@"

From 2a3438adee580907966286e09785b1bb3e9570b5 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 11 Jul 2025 20:36:43 +0900
Subject: [PATCH 41/65] chore: trim comments

---
 .../suites/precompiles/test/1_staking/0_edge_case_revert.js  | 4 ----
 .../test/1_staking/1_create_and_edit_validator.js            | 2 +-
 .../precompiles/test/2_distribution/7_validator_queries.js   | 4 ----
 tests/solidity/suites/precompiles/test/5_slashing/queries.js | 4 ----
 tests/solidity/suites/precompiles/test/6_gov/gov.js          | 2 --
 tests/solidity/suites/precompiles/test/7_p256/p256.js        | 1 -
 tests/solidity/suites/precompiles/test/9_werc20/werc20.js    | 5 -----
 7 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js b/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js
index 00b1cf465..2babc5400 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js
@@ -1,10 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
 
-/**
- * Hardhat edge case test for staking precompile using callPrecompileBeforeAndAfterRevert pattern.
- * Tests that exactly two delegate operations are executed when numTimes=1.
- */
 describe('Staking – edge case revert test', function () {
     const STAKING_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000800';
     const GAS_LIMIT = 10_000_000;
diff --git a/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js b/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
index 16cb190f8..3dc1a42fc 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
@@ -100,7 +100,7 @@ describe('StakingI – createValidator with Bech32 operator address', function (
         expect(info.operatorAddress.toLowerCase()).to.equal(signer.address.toLowerCase())
         expect(info.consensusPubkey).to.equal(pubkey)
         expect(info.jailed).to.be.false
-        expect(info.status).to.equal(3n)                      // BondStatus.Bonded === 3
+        expect(info.status).to.equal(3n) // BondStatus.Bonded === 3
         expect(info.tokens).to.equal(deposit)
         expect(info.delegatorShares).to.be.gt(0n)
         expect(info.description).to.equal(description.details)
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js b/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js
index f36e87840..31e70a617 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/7_validator_queries.js
@@ -1,10 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
 
-/**
- * Hardhat tests for Distribution precompile validator query methods.
- * Covers validatorDistributionInfo, validatorSlashes and delegatorValidators.
- */
 describe('Distribution – validator query methods', function () {
     const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
     const VAL_OPER_BECH32 = 'cosmosvaloper1cml96vmptgw99syqrrz8az79xer2pcgpqqyk2g';
diff --git a/tests/solidity/suites/precompiles/test/5_slashing/queries.js b/tests/solidity/suites/precompiles/test/5_slashing/queries.js
index 1c7d740f8..5ca4342e7 100644
--- a/tests/solidity/suites/precompiles/test/5_slashing/queries.js
+++ b/tests/solidity/suites/precompiles/test/5_slashing/queries.js
@@ -1,10 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
 
-/**
- * Hardhat tests for Slashing precompile query methods.
- * Covers getSigningInfo, getSigningInfos and getParams.
- */
 describe('Slashing – query methods', function () {
     const SLASHING_ADDRESS = '0x0000000000000000000000000000000000000806';
     const CONS_ADDR = '0x020a0f48a2f4ce0f0cA6debF71DB83474dD717D0' // address derived from ed25519 pubkey which is placed in ~/.evmd/config/priv_validator_key.json
diff --git a/tests/solidity/suites/precompiles/test/6_gov/gov.js b/tests/solidity/suites/precompiles/test/6_gov/gov.js
index b01a648d5..a29baef21 100644
--- a/tests/solidity/suites/precompiles/test/6_gov/gov.js
+++ b/tests/solidity/suites/precompiles/test/6_gov/gov.js
@@ -1,8 +1,6 @@
 const { expect } = require('chai')
 const hre = require('hardhat')
 
-// Hardhat tests for the Governance precompile
-
 describe('Gov Precompile', function () {
     const GOV_ADDRESS = '0x0000000000000000000000000000000000000805'
     const GAS_LIMIT = 1_000_000
diff --git a/tests/solidity/suites/precompiles/test/7_p256/p256.js b/tests/solidity/suites/precompiles/test/7_p256/p256.js
index b7e842c26..b9e07f354 100644
--- a/tests/solidity/suites/precompiles/test/7_p256/p256.js
+++ b/tests/solidity/suites/precompiles/test/7_p256/p256.js
@@ -1,7 +1,6 @@
 const { expect } = require('chai')
 const hre = require('hardhat')
 
-// Hardhat tests for the P256 precompile
 describe('P256 Precompile', function () {
     const P256_ADDRESS = '0x0000000000000000000000000000000000000100'
     const GAS_LIMIT = 1_000_000
diff --git a/tests/solidity/suites/precompiles/test/9_werc20/werc20.js b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
index a4c76ed70..8d295c95c 100644
--- a/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
+++ b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
@@ -1,11 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
 
-/**
- * Hardhat tests for WERC20 precompile happy cases.
- * Tests deposit and withdraw functionality.
- * Note: This is a mock implementation - no actual tokens are transferred.
- */
 describe('WERC20 – deposit and withdraw', function () {
     // Using a placeholder address for WERC20 - in reality this would be dynamic
     // based on the actual ERC20 token pair configuration

From 84b31604651f5bc16c4853cedc7d3ac99b19269f Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 11 Jul 2025 20:53:22 +0900
Subject: [PATCH 42/65] p256 happy case

---
 .../suites/precompiles/test/7_p256/p256.js    | 99 ++++---------------
 1 file changed, 20 insertions(+), 79 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/7_p256/p256.js b/tests/solidity/suites/precompiles/test/7_p256/p256.js
index b9e07f354..d554aade6 100644
--- a/tests/solidity/suites/precompiles/test/7_p256/p256.js
+++ b/tests/solidity/suites/precompiles/test/7_p256/p256.js
@@ -11,96 +11,37 @@ describe('P256 Precompile', function () {
         [signer] = await hre.ethers.getSigners()
     })
 
-    // Test with a known valid signature data (from the Go tests)
     it('verifies valid P256 signature', async function () {
-        // This is test data that should pass validation
-        // Using known valid P256 signature components
-        const hash = '0x4e1243bd22c66e76c2ba9eddc1f91394e57f9f83067b5c4c7c71f18d37f5c39b'  // 32 bytes
-        const r = '0x71a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'     // 32 bytes
-        const s = '0x81a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'     // 32 bytes
-        const x = '0x91a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'     // 32 bytes
-        const y = '0xa1a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'     // 32 bytes
+        // Valid P256 signature data for "hello world" message
+        // Hash: b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9
+        // R: 59bf72e33c396c3f60ed34b03e407f8ac4285fcb458ad8595bf6513ec1767695
+        // S: e9df97c1facdd47acffb3a82523f6384e43522c26a6ce3f3c183ea3d71e899e7
+        // X: 9e66f04a4bf0a41c979fa022720881b336dfebdc74cf84614ca349262633e3e5
+        // Y: 4655cfa9f2a8472cb5d577d241bae970424df4213d0e71ff5abac4409c01da6f
+        
+        const hash = '0xb94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9'
+        const r = '0x59bf72e33c396c3f60ed34b03e407f8ac4285fcb458ad8595bf6513ec1767695'
+        const s = '0xe9df97c1facdd47acffb3a82523f6384e43522c26a6ce3f3c183ea3d71e899e7'
+        const x = '0x9e66f04a4bf0a41c979fa022720881b336dfebdc74cf84614ca349262633e3e5'
+        const y = '0x4655cfa9f2a8472cb5d577d241bae970424df4213d0e71ff5abac4409c01da6f'
 
         const input = hash + r.slice(2) + s.slice(2) + x.slice(2) + y.slice(2)
 
-        // Make direct call to precompile
-        const result = await hre.ethers.provider.call({
-            to: P256_ADDRESS,
-            data: input,
-            gasLimit: GAS_LIMIT
-        })
-
-        // The result should be either 0x (empty for invalid) or 32 bytes with success value
-        console.log('Result:', result)
-        expect(result).to.be.a('string')
-    })
-
-    it('handles invalid signature length', async function () {
-        // Test with invalid input length (should be 160 bytes, this is only 32)
-        const shortInput = '0x4e1243bd22c66e76c2ba9eddc1f91394e57f9f83067b5c4c7c71f18d37f5c39b'
+        console.log('Input length:', input.length / 2 - 1, 'bytes')
+        expect(input.length).to.equal(322) // 160 bytes * 2 + 2 for 0x
 
+        // Make direct call to P256 precompile
         const result = await hre.ethers.provider.call({
             to: P256_ADDRESS,
-            data: shortInput,
-            gasLimit: GAS_LIMIT
-        })
-
-        // Should return empty for invalid input length
-        expect(result).to.equal('0x')
-    })
-
-    it('handles empty input', async function () {
-        const result = await hre.ethers.provider.call({
-            to: P256_ADDRESS,
-            data: '0x',
-            gasLimit: GAS_LIMIT
-        })
-
-        // Should return empty for invalid input
-        expect(result).to.equal('0x')
-    })
-
-    it('handles zero signature components', async function () {
-        // Test with all zeros (should be invalid signature)
-        const zeros = '0x' + '00'.repeat(160) // 160 bytes of zeros
-
-        const result = await hre.ethers.provider.call({
-            to: P256_ADDRESS,
-            data: zeros,
+            data: input,
             gasLimit: GAS_LIMIT
         })
 
-        // Should return empty for invalid signature
-        expect(result).to.equal('0x')
-    })
-
-    it('tests gas consumption', async function () {
-        const hash = '0x4e1243bd22c66e76c2ba9eddc1f91394e57f9f83067b5c4c7c71f18d37f5c39b'
-        const r = '0x71a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'
-        const s = '0x81a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'
-        const x = '0x91a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'
-        const y = '0xa1a3c91a0e8c5e1dd7e8f8e0a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8c8a8f8'
-
-        const input = hash + r.slice(2) + s.slice(2) + x.slice(2) + y.slice(2)
-
-        // Estimate gas for the call
-        const gasEstimate = await hre.ethers.provider.estimateGas({
-            to: P256_ADDRESS,
-            data: input
-        })
-
-        console.log('Gas estimate:', gasEstimate.toString())
+        console.log('P256 precompile result:', result)
         
-        // Should consume reasonable amount of gas
-        expect(gasEstimate).to.be.greaterThan(0)
-    })
-
-    it('tests precompile address', async function () {
-        // Simple test to verify we can call the precompile address
-        const code = await hre.ethers.provider.getCode(P256_ADDRESS)
+        // Valid signature should return 32 bytes with value 1
+        expect(result).to.equal('0x0000000000000000000000000000000000000000000000000000000000000001')
         
-        // Precompile addresses typically have no code but are callable
-        console.log('Precompile code:', code)
-        expect(code).to.be.a('string')
+        console.log('✓ P256 signature verification successful')
     })
 })
\ No newline at end of file

From 0693d094ecb279bff67aa910609755acb6c5f0a9 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 18 Jul 2025 15:56:34 +0900
Subject: [PATCH 43/65] refactoring

---
 .../test/1_staking/0_edge_case_revert.js      |  7 ++-
 .../1_staking/1_create_and_edit_validator.js  | 21 ++++-----
 .../precompiles/test/9_werc20/werc20.js       |  7 +--
 .../suites/precompiles/test/common.js         | 45 +++++++++++++++++++
 4 files changed, 63 insertions(+), 17 deletions(-)
 create mode 100644 tests/solidity/suites/precompiles/test/common.js

diff --git a/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js b/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js
index 2babc5400..eaea037de 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/0_edge_case_revert.js
@@ -1,9 +1,12 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
+const {
+    STAKING_PRECOMPILE_ADDRESS,
+    LARGE_GAS_LIMIT
+} = require('../common');
 
 describe('Staking – edge case revert test', function () {
-    const STAKING_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000800';
-    const GAS_LIMIT = 10_000_000;
+    const GAS_LIMIT = LARGE_GAS_LIMIT;
 
     let stakingReverter, staking, signer;
     let validatorAddress;
diff --git a/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js b/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
index 3dc1a42fc..17ada0425 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
@@ -1,12 +1,15 @@
-const {expect} = require('chai')
+const { expect } = require('chai')
 const hre = require('hardhat')
+const {
+    STAKING_PRECOMPILE_ADDRESS,
+    DEFAULT_GAS_LIMIT,
+    parseValidator
+} = require('../common')
 
-describe('StakingI – createValidator with Bech32 operator address', function () {
-    const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
-    const BECH32_ADDRESS = '0x0000000000000000000000000000000000000400'
-    const GAS_LIMIT = 1_000_000 // skip gas estimation for simplicity
+describe('StakingI – createValidator', function () {
+    const GAS_LIMIT = DEFAULT_GAS_LIMIT // skip gas estimation for simplicity
 
-    let staking, bech32, signer
+    let staking, signer
 
     /**
      * Convert the raw tuple from staking.validator(...)
@@ -32,12 +35,10 @@ describe('StakingI – createValidator with Bech32 operator address', function (
         [signer] = await hre.ethers.getSigners()
 
         // Instantiate the StakingI precompile contract
-        staking = await hre.ethers.getContractAt('StakingI', STAKING_ADDRESS)
-        // Instantiate the Bech32I precompile contract for address conversion
-        bech32 = await hre.ethers.getContractAt('Bech32I', BECH32_ADDRESS)
+        staking = await hre.ethers.getContractAt('StakingI', STAKING_PRECOMPILE_ADDRESS)
     })
 
-    it('should create a validator successfully using a Bech32-encoded operator address', async function () {
+    it('should create a validator successfully', async function () {
         // Define the validator’s descriptive metadata
         const description = {
             moniker: 'TestValidator',
diff --git a/tests/solidity/suites/precompiles/test/9_werc20/werc20.js b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
index 8d295c95c..d2ea8bed7 100644
--- a/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
+++ b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
@@ -1,11 +1,9 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
+const { WERC20_ADDRESS, DEFAULT_GAS_LIMIT } = require('../common');
 
 describe('WERC20 – deposit and withdraw', function () {
-    // Using a placeholder address for WERC20 - in reality this would be dynamic
-    // based on the actual ERC20 token pair configuration
-    const WERC20_ADDRESS = '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE';
-    const GAS_LIMIT = 1_000_000;
+    const GAS_LIMIT = DEFAULT_GAS_LIMIT;
     
     let werc20, signer;
 
@@ -124,7 +122,6 @@ describe('WERC20 – deposit and withdraw', function () {
             console.log('Withdrawal event:', parsed.args);
             expect(parsed.args.src).to.equal(signer.address);
             expect(parsed.args.wad).to.equal(withdrawAmount);
-            console.log('No Withdrawal event found (expected for mock implementation)');
         });
 
         it('withdraws different amounts', async function () {
diff --git a/tests/solidity/suites/precompiles/test/common.js b/tests/solidity/suites/precompiles/test/common.js
new file mode 100644
index 000000000..41082f6be
--- /dev/null
+++ b/tests/solidity/suites/precompiles/test/common.js
@@ -0,0 +1,45 @@
+// Common constants and helper utilities for precompile tests
+
+const STAKING_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000800'
+const BECH32_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000400'
+const DISTRIBUTION_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000801'
+const BANK_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000804'
+const GOV_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000805'
+const SLASHING_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000806'
+const P256_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000100'
+const WERC20_ADDRESS = '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE'
+
+// Default gas limits used across tests
+const DEFAULT_GAS_LIMIT = 1_000_000
+const LARGE_GAS_LIMIT = 10_000_000
+
+// Helper to convert the raw tuple returned by staking.validator() into an object
+function parseValidator (raw) {
+    return {
+        operatorAddress: raw[0],
+        consensusPubkey: raw[1],
+        jailed: raw[2],
+        status: raw[3],
+        tokens: raw[4],
+        delegatorShares: raw[5],
+        description: raw[6],
+        unbondingHeight: raw[7],
+        unbondingTime: raw[8],
+        commission: raw[9],
+        minSelfDelegation: raw[10]
+    }
+}
+
+module.exports = {
+    STAKING_PRECOMPILE_ADDRESS,
+    BECH32_PRECOMPILE_ADDRESS,
+    DISTRIBUTION_PRECOMPILE_ADDRESS,
+    BANK_PRECOMPILE_ADDRESS,
+    GOV_PRECOMPILE_ADDRESS,
+    SLASHING_PRECOMPILE_ADDRESS,
+    P256_PRECOMPILE_ADDRESS,
+    WERC20_ADDRESS,
+    DEFAULT_GAS_LIMIT,
+    LARGE_GAS_LIMIT,
+    parseValidator
+}
\ No newline at end of file

From ff99df89cc52212118269cb2323e048d2b3b9b4b Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 18 Jul 2025 18:17:05 +0900
Subject: [PATCH 44/65] refactor: make findEvent as common

---
 .../1_staking/1_create_and_edit_validator.js  | 47 ++++---------------
 .../precompiles/test/1_staking/2_delegate.js  | 11 +----
 .../test/1_staking/3_undelegate_and_cancel.js | 31 ++----------
 .../test/1_staking/4_redelegate.js            | 11 +----
 .../2_distribution/1_set_withdraw_address.js  | 11 +----
 .../2_withdraw_delegator_reward.js            |  5 +-
 .../test/2_distribution/3_claim_rewards.js    |  7 +--
 .../4_withdraw_validator_commission.js        |  8 +---
 .../2_distribution/5_fund_community_pool.js   |  7 +--
 .../6_deposit_validator_rewards_pool.js       |  5 +-
 .../suites/precompiles/test/6_gov/gov.js      | 27 +++--------
 .../precompiles/test/9_werc20/werc20.js       | 24 ++--------
 .../suites/precompiles/test/common.js         | 18 ++++++-
 13 files changed, 54 insertions(+), 158 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js b/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
index 17ada0425..f78c326f0 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/1_create_and_edit_validator.js
@@ -3,7 +3,8 @@ const hre = require('hardhat')
 const {
     STAKING_PRECOMPILE_ADDRESS,
     DEFAULT_GAS_LIMIT,
-    parseValidator
+    parseValidator,
+    findEvent
 } = require('../common')
 
 describe('StakingI – createValidator', function () {
@@ -11,26 +12,6 @@ describe('StakingI – createValidator', function () {
 
     let staking, signer
 
-    /**
-     * Convert the raw tuple from staking.validator(...)
-     * into an object that mirrors the Validator struct.
-     */
-    function parseValidator(raw) {
-        return {
-            operatorAddress: raw[0],
-            consensusPubkey: raw[1],
-            jailed: raw[2],
-            status: raw[3],
-            tokens: raw[4],
-            delegatorShares: raw[5],
-            description: raw[6],
-            unbondingHeight: raw[7],
-            unbondingTime: raw[8],
-            commission: raw[9],
-            minSelfDelegation: raw[10],
-        }
-    }
-
     before(async () => {
         [signer] = await hre.ethers.getSigners()
 
@@ -76,15 +57,11 @@ describe('StakingI – createValidator', function () {
         console.log('Transaction hash:', receipt.hash)
 
         // Find and parse the CreateValidator event from the transaction logs
-        const parsed = receipt.logs
-            .map(log => {
-                try {
-                    return staking.interface.parseLog(log)
-                } catch {
-                    return null
-                }
-            })
-            .find(evt => evt && evt.name === 'CreateValidator')
+        const parsed = findEvent(
+            receipt.logs,
+            staking.interface,
+            'CreateValidator'
+        )
 
         expect(parsed, 'CreateValidator event must be emitted').to.exist
         expect(parsed.args.validatorAddress).to.equal(signer.address)
@@ -135,15 +112,7 @@ describe('StakingI – createValidator', function () {
         console.log('EditValidator tx hash:', editTx.hash)
 
         // parse EditValidator event
-        const editEvt = editReceipt.logs
-            .map(log => {
-                try {
-                    return staking.interface.parseLog(log)
-                } catch {
-                    return null
-                }
-            })
-            .find(evt => evt && evt.name === 'EditValidator')
+        const editEvt = findEvent(editReceipt.logs, staking.interface, 'EditValidator')
         expect(editEvt, 'EditValidator event must be emitted').to.exist
         expect(editEvt.args.validatorAddress).to.equal(signer.address)
         expect(editEvt.args.commissionRate).to.equal(DO_NOT_MODIFY)
diff --git a/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js b/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
index 80eec23ce..cad7fdf99 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
@@ -1,5 +1,6 @@
 const {expect} = require('chai')
 const hre = require('hardhat')
+const { findEvent } = require('../common')
 
 describe('Staking – delegate with event assertion (gte & precision)', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
@@ -44,15 +45,7 @@ describe('Staking – delegate with event assertion (gte & precision)', function
         console.log('Delegate tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString())
 
         // parse the Delegate event from logs
-        const delegateEvt = receipt.logs
-            .map(log => {
-                try {
-                    return staking.interface.parseLog(log)
-                } catch {
-                    return null
-                }
-            })
-            .find(evt => evt && evt.name === 'Delegate')
+        const delegateEvt = findEvent(receipt.logs, staking.interface, 'Delegate')
         expect(delegateEvt, 'Delegate event should be emitted').to.exist
 
         // verify event args
diff --git a/tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js b/tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js
index 14f01d184..37f6c4a2e 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/3_undelegate_and_cancel.js
@@ -1,5 +1,6 @@
 const {expect} = require('chai')
 const hre = require('hardhat')
+const { findEvent } = require('../common')
 
 function formatUnbondingDelegation(res) {
     const delegatorAddress = res[0]
@@ -55,15 +56,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         console.log('Delegate tx hash:', delegateTx.hash, 'gas used:', delegateReceipt.gasUsed.toString())
 
         const hexValAddr = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E'
-        const delegateEvt = delegateReceipt.logs
-            .map(log => {
-                try {
-                    return staking.interface.parseLog(log)
-                } catch {
-                    return null
-                }
-            })
-            .find(evt => evt && evt.name === 'Delegate')
+        const delegateEvt = findEvent(delegateReceipt.logs, staking.interface, 'Delegate')
         expect(delegateEvt, 'Delegate event should be emitted').to.exist
         expect(delegateEvt.args.delegatorAddress).to.equal(signer.address)
         expect(delegateEvt.args.validatorAddress).to.equal(hexValAddr)
@@ -78,15 +71,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         const undelegateReceipt = await undelegateTx.wait(2)
         console.log('Undelegate tx hash:', undelegateTx.hash, 'gas used:', undelegateReceipt.gasUsed.toString())
 
-        const unbondEvt = undelegateReceipt.logs
-            .map(log => {
-                try {
-                    return staking.interface.parseLog(log)
-                } catch {
-                    return null
-                }
-            })
-            .find(evt => evt && evt.name === 'Unbond')
+        const unbondEvt = findEvent(undelegateReceipt.logs, staking.interface, 'Unbond')
         expect(unbondEvt, 'Unbond event should be emitted').to.exist
         expect(unbondEvt.args.delegatorAddress).to.equal(signer.address)
         expect(unbondEvt.args.validatorAddress).to.equal(hexValAddr)
@@ -121,15 +106,7 @@ describe('Staking – delegate, undelegate & cancelUnbondingDelegation with even
         const cancelReceipt = await cancelTx.wait(2)
         console.log('CancelUnbondingDelegation tx hash:', cancelTx.hash, 'gas used:', cancelReceipt.gasUsed.toString())
 
-        const cancelEvt = cancelReceipt.logs
-            .map(log => {
-                try {
-                    return staking.interface.parseLog(log)
-                } catch {
-                    return null
-                }
-            })
-            .find(evt => evt && evt.name === 'CancelUnbondingDelegation')
+        const cancelEvt = findEvent(cancelReceipt.logs, staking.interface, 'CancelUnbondingDelegation')
         expect(cancelEvt, 'CancelUnbondingDelegation event should be emitted').to.exist
         expect(cancelEvt.args.delegatorAddress).to.equal(signer.address)
         expect(cancelEvt.args.validatorAddress).to.equal(hexValAddr)
diff --git a/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js b/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
index 2685633b5..6b88146ea 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
@@ -1,5 +1,6 @@
 const {expect} = require('chai')
 const hre = require('hardhat')
+const { findEvent } = require('../common')
 
 /**
  * Convert the raw tuple from staking.redelegation(...)
@@ -74,15 +75,7 @@ describe('Staking – redelegate with event and state assertions', function () {
         console.log('Redelegate tx hash:', tx.hash, 'gas used:', receipt.gasUsed.toString())
 
         // 4) parse and assert the Redelegate event
-        const redelegateEvt = receipt.logs
-            .map(log => {
-                try {
-                    return staking.interface.parseLog(log)
-                } catch {
-                    return null
-                }
-            })
-            .find(evt => evt && evt.name === 'Redelegate')
+        const redelegateEvt = findEvent(receipt.logs, staking.interface, 'Redelegate')
         expect(redelegateEvt, 'Redelegate event should be emitted').to.exist
         expect(redelegateEvt.args.delegatorAddress).to.equal(signer.address)
         expect(redelegateEvt.args.validatorSrcAddress).to.equal(srcValHex)
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js b/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js
index 93bce2c79..dbb91652d 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/1_set_withdraw_address.js
@@ -1,5 +1,6 @@
 const {expect} = require('chai');
 const hre = require('hardhat');
+const { findEvent } = require('../common');
 
 describe('Distribution – set withdraw address', function () {
     const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
@@ -20,15 +21,7 @@ describe('Distribution – set withdraw address', function () {
         const receipt = await tx.wait(2);
         console.log('SetWithdrawAddress tx hash:', receipt.hash);
 
-        const evt = receipt.logs
-            .map(log => {
-                try {
-                    return distribution.interface.parseLog(log);
-                } catch {
-                    return null;
-                }
-            })
-            .find(e => e && e.name === 'SetWithdrawerAddress');
+        const evt = findEvent(receipt.logs, distribution.interface, 'SetWithdrawerAddress');
         expect(evt, 'SetWithdrawerAddress event must be emitted').to.exist;
         expect(evt.args.caller).to.equal(signer.address);
         expect(evt.args.withdrawerAddress).to.equal(newWithdrawAddress);
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js b/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
index c89145317..cfa8c2721 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
@@ -1,5 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
+const { findEvent } = require('../common');
 
 describe('Distribution – withdraw delegator reward', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
@@ -43,9 +44,7 @@ describe('Distribution – withdraw delegator reward', function () {
         console.log('WithdrawDelegatorRewards tx hash:', receipt.hash);
 
         // Check events
-        const evt = receipt.logs
-            .map(log => { try { return distribution.interface.parseLog(log); } catch { return null; } })
-            .find(e => e && e.name === 'WithdrawDelegatorReward');
+        const evt = findEvent(receipt.logs, distribution.interface, 'WithdrawDelegatorReward');
         expect(evt, 'WithdrawDelegatorReward event must be emitted').to.exist;
         expect(evt.args.delegatorAddress).to.equal(signer.address);
         expect(evt.args.validatorAddress).to.equal(valHex);
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
index e933ed2f4..8522df34b 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
@@ -1,5 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
+const { findEvent } = require('../common');
 
 /**
  * Parse the raw return from delegationTotalRewards into structured objects.
@@ -50,11 +51,7 @@ describe('DistributionI – claimRewards', function () {
         const receipt = await tx.wait(2);
         console.log('ClaimRewards tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString());
 
-        const evt = receipt.logs
-            .map(log => {
-                try { return distribution.interface.parseLog(log); } catch { return null; }
-            })
-            .find(e => e && e.name === 'ClaimRewards');
+        const evt = findEvent(receipt.logs, distribution.interface, 'ClaimRewards');
         expect(evt, 'ClaimRewards event should be emitted').to.exist;
         expect(evt.args.delegatorAddress).to.equal(signer.address);
         expect(evt.args.amount).to.be.a('bigint');
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js b/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js
index 6df6d5e1d..22fbe3227 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/4_withdraw_validator_commission.js
@@ -1,5 +1,6 @@
 const { expect } = require('chai')
 const { ethers } = require('hardhat')
+const { findEvent } = require('../common')
 
 describe('Distribution – withdraw validator commission', function () {
     const DIST_ADDRESS = '0x0000000000000000000000000000000000000801'
@@ -29,12 +30,7 @@ describe('Distribution – withdraw validator commission', function () {
         const receipt = await tx.wait(2)
 
         // 3) parse the event
-        const parsedEvt = receipt.logs
-            .map(log => {
-                try { return distribution.interface.parseLog(log) }
-                catch { return null }
-            })
-            .find(e => e && e.name === 'WithdrawValidatorCommission')
+        const parsedEvt = findEvent(receipt.logs, distribution.interface, 'WithdrawValidatorCommission')
         expect(parsedEvt, 'event must be emitted').to.exist
 
         // 4) verify the indexed validatorAddress via topic hash
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js b/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js
index 617ec60b3..cd4bba037 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js
@@ -1,5 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
+const { findEvent } = require('../common');
 
 describe('Distribution – fund community pool', function () {
     const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
@@ -23,11 +24,7 @@ describe('Distribution – fund community pool', function () {
         const receipt = await tx.wait(2);
         console.log('FundCommunityPool tx hash:', receipt.hash);
 
-        const evt = receipt.logs
-            .map(log => {
-                try { return distribution.interface.parseLog(log); } catch { return null; }
-            })
-            .find(e => e && e.name === 'FundCommunityPool');
+        const evt = findEvent(receipt.logs, distribution.interface, 'FundCommunityPool');
         expect(evt, 'FundCommunityPool event must be emitted').to.exist;
         expect(evt.args.depositor).to.equal(signer.address);
         expect(evt.args.denom).to.equal(coin.denom);
diff --git a/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js b/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js
index 20a8582a9..f83f00745 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js
@@ -1,5 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
+const { findEvent } = require('../common');
 
 describe('Distribution – deposit validator rewards pool', function () {
     const DIST_ADDRESS = '0x0000000000000000000000000000000000000801';
@@ -27,9 +28,7 @@ describe('Distribution – deposit validator rewards pool', function () {
         const receipt = await tx.wait(2);
         console.log('DepositValidatorRewardsPool tx hash:', receipt.hash);
 
-        const evt = receipt.logs
-            .map(log => { try { return distribution.interface.parseLog(log); } catch { return null; } })
-            .find(e => e && e.name === 'DepositValidatorRewardsPool');
+        const evt = findEvent(receipt.logs, distribution.interface, 'DepositValidatorRewardsPool');
         expect(evt, 'DepositValidatorRewardsPool event must be emitted').to.exist;
         expect(evt.args.depositor).to.equal(signer.address);
         expect(evt.args.validatorAddress).to.equal(VAL_HEX);
diff --git a/tests/solidity/suites/precompiles/test/6_gov/gov.js b/tests/solidity/suites/precompiles/test/6_gov/gov.js
index a29baef21..7230a8c77 100644
--- a/tests/solidity/suites/precompiles/test/6_gov/gov.js
+++ b/tests/solidity/suites/precompiles/test/6_gov/gov.js
@@ -1,5 +1,6 @@
 const { expect } = require('chai')
 const hre = require('hardhat')
+const { findEvent } = require('../common')
 
 describe('Gov Precompile', function () {
     const GOV_ADDRESS = '0x0000000000000000000000000000000000000805'
@@ -22,9 +23,7 @@ describe('Gov Precompile', function () {
             .submitProposal(signer.address, jsonProposal, [deposit], { gasLimit: GAS_LIMIT })
         const receipt = await tx.wait(2)
 
-        const evt = receipt.logs
-            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
-            .find(e => e && e.name === 'SubmitProposal')
+        const evt = findEvent(receipt.logs, gov.interface, 'SubmitProposal')
         
         if (!evt) {
             throw new Error('SubmitProposal event not found in receipt')
@@ -70,9 +69,7 @@ describe('Gov Precompile', function () {
             .connect(signer)
             .deposit(signer.address, globalProposalId, [deposit], { gasLimit: GAS_LIMIT })
         const depRcpt = await depTx.wait(2)
-        const depEvt = depRcpt.logs
-            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
-            .find(e => e && e.name === 'Deposit')
+        const depEvt = findEvent(depRcpt.logs, gov.interface, 'Deposit')
         expect(depEvt, 'Deposit event must be emitted').to.exist
         expect(depEvt.args.proposalId).to.equal(globalProposalId)
         expect(depEvt.args.depositor).to.equal(signer.address)
@@ -83,9 +80,7 @@ describe('Gov Precompile', function () {
             .connect(signer)
             .vote(signer.address, globalProposalId, 1, 'simple vote', { gasLimit: GAS_LIMIT })
         const voteRcpt = await voteTx.wait(2)
-        const voteEvt = voteRcpt.logs
-            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
-            .find(e => e && e.name === 'Vote')
+        const voteEvt = findEvent(voteRcpt.logs, gov.interface, 'Vote')
         expect(voteEvt, 'Vote event must be emitted').to.exist
         expect(voteEvt.args.option).to.equal(1)
         expect(voteEvt.args.proposalId).to.equal(globalProposalId)
@@ -103,9 +98,7 @@ describe('Gov Precompile', function () {
             .voteWeighted(signer.address, globalProposalId, weightedOptions, 'weighted vote', { gasLimit: GAS_LIMIT })
         const receipt = await tx.wait(2)
 
-        const evt = receipt.logs
-            .map(log => { try { return gov.interface.parseLog(log) } catch { return null } })
-            .find(e => e && e.name === 'VoteWeighted')
+        const evt = findEvent(receipt.logs, gov.interface, 'VoteWeighted')
         expect(evt, 'VoteWeighted event must be emitted').to.exist
         expect(evt.args.voter).to.equal(signer.address)
         expect(evt.args.proposalId).to.equal(globalProposalId)
@@ -190,15 +183,7 @@ describe('Gov Precompile', function () {
             .connect(signer)
             .cancelProposal(signer.address, proposalIdToCancel, {gasLimit: GAS_LIMIT})
         const cancelRcpt = await cancelTx.wait(2)
-        const cancelEvt = cancelRcpt.logs
-            .map(log => {
-                try {
-                    return gov.interface.parseLog(log)
-                } catch {
-                    return null
-                }
-            })
-            .find(e => e && e.name === 'CancelProposal')
+        const cancelEvt = findEvent(cancelRcpt.logs, gov.interface, 'CancelProposal')
 
         expect(cancelEvt, 'CancelProposal event must be emitted').to.exist
         expect(cancelEvt.args.proposer).to.equal(signer.address)
diff --git a/tests/solidity/suites/precompiles/test/9_werc20/werc20.js b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
index d2ea8bed7..fa6621586 100644
--- a/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
+++ b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
@@ -1,6 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
-const { WERC20_ADDRESS, DEFAULT_GAS_LIMIT } = require('../common');
+const { WERC20_ADDRESS, DEFAULT_GAS_LIMIT, findEvent } = require('../common');
 
 describe('WERC20 – deposit and withdraw', function () {
     const GAS_LIMIT = DEFAULT_GAS_LIMIT;
@@ -32,16 +32,7 @@ describe('WERC20 – deposit and withdraw', function () {
             expect(receipt.gasUsed).to.be.greaterThan(0);
             
             // Look for Deposit event
-            const depositEvent = receipt.logs.find(log => {
-                try {
-                    const parsed = werc20.interface.parseLog(log);
-                    return parsed && parsed.name === 'Deposit';
-                } catch {
-                    return false;
-                }
-            });
-            
-            const parsed = werc20.interface.parseLog(depositEvent);
+            const parsed = findEvent(receipt.logs, werc20.interface, 'Deposit');
             console.log('Deposit event:', parsed.args);
             expect(parsed.args.dst).to.equal(signer.address);
             expect(parsed.args.wad).to.equal(depositAmount);
@@ -109,16 +100,7 @@ describe('WERC20 – deposit and withdraw', function () {
             expect(receipt.gasUsed).to.be.greaterThan(0);
             
             // Look for Withdrawal event
-            const withdrawEvent = receipt.logs.find(log => {
-                try {
-                    const parsed = werc20.interface.parseLog(log);
-                    return parsed && parsed.name === 'Withdrawal';
-                } catch {
-                    return false;
-                }
-            });
-            
-            const parsed = werc20.interface.parseLog(withdrawEvent);
+            const parsed = findEvent(receipt.logs, werc20.interface, 'Withdrawal');
             console.log('Withdrawal event:', parsed.args);
             expect(parsed.args.src).to.equal(signer.address);
             expect(parsed.args.wad).to.equal(withdrawAmount);
diff --git a/tests/solidity/suites/precompiles/test/common.js b/tests/solidity/suites/precompiles/test/common.js
index 41082f6be..ec19b236f 100644
--- a/tests/solidity/suites/precompiles/test/common.js
+++ b/tests/solidity/suites/precompiles/test/common.js
@@ -30,6 +30,21 @@ function parseValidator (raw) {
     }
 }
 
+// Utility to parse logs and return the first matching event by name
+function findEvent (logs, iface, eventName) {
+    for (const log of logs) {
+        try {
+            const parsed = iface.parseLog(log)
+            if (parsed && parsed.name === eventName) {
+                return parsed
+            }
+        } catch {
+            // ignore logs that do not match the contract interface
+        }
+    }
+    return null
+}
+
 module.exports = {
     STAKING_PRECOMPILE_ADDRESS,
     BECH32_PRECOMPILE_ADDRESS,
@@ -41,5 +56,6 @@ module.exports = {
     WERC20_ADDRESS,
     DEFAULT_GAS_LIMIT,
     LARGE_GAS_LIMIT,
-    parseValidator
+    parseValidator,
+    findEvent
 }
\ No newline at end of file

From 109ab8587b594cd57e1600b3ae4d4e3407d2660a Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 21 Jul 2025 12:11:49 +0900
Subject: [PATCH 45/65] check delegation shares and balance also

---
 .../test/1_staking/4_redelegate.js            | 88 +++++++++++++++++--
 1 file changed, 82 insertions(+), 6 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js b/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
index 6b88146ea..955aeb245 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/4_redelegate.js
@@ -2,6 +2,27 @@ const {expect} = require('chai')
 const hre = require('hardhat')
 const { findEvent } = require('../common')
 
+// Cosmos SDK LegacyDec precision (18 decimal places)
+const PRECISION = 10n ** 18n
+
+/**
+ * Convert the raw tuple from staking.delegation(...)
+ * into an object that mirrors the DelegationOutput struct.
+ * @param {*} res - Raw delegation response: [shares, Coin]
+ */
+function formatDelegation(res) {
+    const shares = BigInt(res[0].toString())
+    const balance = {
+        denom: res[1][0],
+        amount: BigInt(res[1][1].toString())
+    }
+    
+    return {
+        shares,
+        balance
+    }
+}
+
 /**
  * Convert the raw tuple from staking.redelegation(...)
  * into an object that mirrors the RedelegationOutput struct.
@@ -57,10 +78,17 @@ describe('Staking – redelegate with event and state assertions', function () {
         const srcValHex = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E'
         const dstValHex = '0xC6Fe5D33615a1C52c08018c47E8Bc53646A0E101'
 
-        // 1) query current delegation to source validator
-        const beforeDelegation = await staking.delegation(signer.address, srcValBech32)
-        const amount = beforeDelegation.balance.amount
-        console.log('Current delegation to srcVal:', amount.toString())
+        // 1) query current delegations to both validators before redelegation
+        const beforeSrcDelegationRaw = await staking.delegation(signer.address, srcValBech32)
+        const beforeDstDelegationRaw = await staking.delegation(signer.address, dstValBech32)
+        const beforeSrcDelegation = formatDelegation(beforeSrcDelegationRaw)
+        const beforeDstDelegation = formatDelegation(beforeDstDelegationRaw)
+        const amount = beforeSrcDelegation.balance.amount
+        
+        console.log('Before redelegation - srcVal delegation shares:', beforeSrcDelegation.shares.toString())
+        console.log('Before redelegation - srcVal delegation balance:', beforeSrcDelegation.balance.amount.toString(), beforeSrcDelegation.balance.denom)
+        console.log('Before redelegation - dstVal delegation shares:', beforeDstDelegation.shares.toString())
+        console.log('Before redelegation - dstVal delegation balance:', beforeDstDelegation.balance.amount.toString(), beforeDstDelegation.balance.denom)
 
         // 2) query redelegation entries before
         const beforeRaw = await staking.redelegation(signer.address, srcValBech32, dstValBech32)
@@ -84,7 +112,51 @@ describe('Staking – redelegate with event and state assertions', function () {
         const completionTime = BigInt(redelegateEvt.args.completionTime.toString())
         expect(completionTime > 0n, 'completionTime should be positive').to.be.true
 
-        // 5) query redelegation state after
+        // 5) query delegations after redelegation to verify state changes
+        const afterSrcDelegationRaw = await staking.delegation(signer.address, srcValBech32)
+        const afterDstDelegationRaw = await staking.delegation(signer.address, dstValBech32)
+        const afterSrcDelegation = formatDelegation(afterSrcDelegationRaw)
+        const afterDstDelegation = formatDelegation(afterDstDelegationRaw)
+        
+        console.log('After redelegation - srcVal delegation shares:', afterSrcDelegation.shares.toString())
+        console.log('After redelegation - srcVal delegation balance:', afterSrcDelegation.balance.amount.toString(), afterSrcDelegation.balance.denom)
+        console.log('After redelegation - dstVal delegation shares:', afterDstDelegation.shares.toString())
+        console.log('After redelegation - dstVal delegation balance:', afterDstDelegation.balance.amount.toString(), afterDstDelegation.balance.denom)
+
+        // Assert balance changes
+        expect(afterSrcDelegation.balance.amount).to.equal(
+            beforeSrcDelegation.balance.amount - amount,
+            'Source validator delegation balance should decrease by redelegated amount'
+        )
+        expect(afterDstDelegation.balance.amount).to.equal(
+            beforeDstDelegation.balance.amount + amount,
+            'Destination validator delegation balance should increase by redelegated amount'
+        )
+
+        // Calculate expected shares changes (accounting for 18-decimal precision)
+        // Shares = amount * 10^18 (LegacyDec precision)
+        const amountWithPrecision = amount * PRECISION
+        
+        // When redelegating the full amount, source validator shares should become 0
+        const expectedSrcShares = beforeSrcDelegation.balance.amount === amount ? 0n : beforeSrcDelegation.shares - amountWithPrecision
+        
+        // Assert exact shares changes  
+        expect(afterSrcDelegation.shares).to.equal(
+            expectedSrcShares,
+            'Source validator delegation shares should match expected value'
+        )
+        
+        // For destination validator, shares should increase by the amount with precision
+        expect(afterDstDelegation.shares).to.equal(
+            beforeDstDelegation.shares + amountWithPrecision,
+            'Destination validator delegation shares should increase by redelegated amount with precision'
+        )
+
+        // Verify denomination consistency
+        expect(afterSrcDelegation.balance.denom).to.equal(beforeSrcDelegation.balance.denom)
+        expect(afterDstDelegation.balance.denom).to.equal(beforeDstDelegation.balance.denom)
+
+        // 6) query redelegation state after
         const afterRaw = await staking.redelegation(signer.address, srcValBech32, dstValBech32)
         const afterR = formatRedelegation(afterRaw)
         console.log('After redelegation:', afterR)
@@ -100,9 +172,13 @@ describe('Staking – redelegate with event and state assertions', function () {
         expect(afterR.validatorSrcAddress).to.equal(srcValBech32)
         expect(afterR.validatorDstAddress).to.equal(dstValBech32)
         expect(afterR.entries[0].initialBalance).to.equal(
-            BigInt(amount.toString()),
+            amount,
             'Redelegation entry initialBalance should match redelegated amount'
         )
+        expect(afterR.entries[0].sharesDst).to.equal(
+            amountWithPrecision,
+            'Redelegation entry sharesDst should match redelegated amount with precision'
+        )
 
         const pageRequest = {key: '0x', offset: 0, limit: 10, countTotal: true, reverse: false}
         const [responses, _] = await staking.redelegations(

From bd74eda94a5c8af413fe4ca82f38a81113b05bd3 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 21 Jul 2025 12:36:25 +0900
Subject: [PATCH 46/65] add checking user balance for withdraw delegator reward
 test

---
 .../2_withdraw_delegator_reward.js               | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js b/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
index cfa8c2721..fa765dd07 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/2_withdraw_delegator_reward.js
@@ -21,6 +21,8 @@ describe('Distribution – withdraw delegator reward', function () {
         const valHex = '0x7cB61D4117AE31a12E393a1Cfa3BaC666481D02E';
         const stakeAmountBn = hre.ethers.parseEther('0.001')   // BigNumber
         const stakeAmount = BigInt(stakeAmountBn.toString())
+        // This address is a current withdraw address for the signer. Check 1_set_withdraw_address.js test for more details.
+        const newWithdrawAddress = '0x498B5AeC5D439b733dC2F58AB489783A23FB26dA';
 
         // Delegate to the validator first
         const delegateTx = await staking
@@ -37,12 +39,20 @@ describe('Distribution – withdraw delegator reward', function () {
         const result = await distribution.delegationRewards(signer.address, valBech32);
         const currentReward = result[0];
 
+        // Check user balance before withdrawal
+        const balanceBefore = await hre.ethers.provider.getBalance(newWithdrawAddress);
+        console.log('User balance before withdrawal:', balanceBefore.toString());
+
         const tx = await distribution
             .connect(signer)
             .withdrawDelegatorRewards(signer.address, valBech32, {gasLimit: GAS_LIMIT});
         const receipt = await tx.wait(2);
         console.log('WithdrawDelegatorRewards tx hash:', receipt.hash);
 
+        // Check user balance after withdrawal
+        const balanceAfter = await hre.ethers.provider.getBalance(newWithdrawAddress);
+        console.log('User balance after withdrawal:', balanceAfter.toString());
+
         // Check events
         const evt = findEvent(receipt.logs, distribution.interface, 'WithdrawDelegatorReward');
         expect(evt, 'WithdrawDelegatorReward event must be emitted').to.exist;
@@ -50,6 +60,12 @@ describe('Distribution – withdraw delegator reward', function () {
         expect(evt.args.validatorAddress).to.equal(valHex);
         expect(evt.args.amount).to.be.a('bigint');
         expect(evt.args.amount).to.be.greaterThan(currentReward.amount, 'Withdrawn amount should be greater than zero');
+        console.log('finished event checks')
+        // Validate balance increase (accounting for gas costs)
+        const gasUsed = receipt.gasUsed * receipt.gasPrice;
+        const expectedMinBalance = balanceBefore - gasUsed + evt.args.amount;
+        expect(balanceAfter).to.be.gte(expectedMinBalance, 'User balance should increase by withdrawn rewards minus gas costs');
+        console.log('finished balance checks')
 
         // Check state after withdrawal
         const afterResult = await distribution.delegationRewards(signer.address, valBech32);

From b08b07a6dfa59a0a50d6cc516ddc9bb7d9865fe2 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 21 Jul 2025 21:36:50 +0900
Subject: [PATCH 47/65] add checking user balance for claim rewards tc

---
 .../test/2_distribution/3_claim_rewards.js       | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
index 8522df34b..f9a967c59 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/3_claim_rewards.js
@@ -44,6 +44,12 @@ describe('DistributionI – claimRewards', function () {
         const { delegationRewards, totalRewards } = formatTotalRewards(rawRewards)
         console.log('Parsed delegationRewards:', delegationRewards)
         console.log('Parsed totalRewards:', totalRewards)
+        // This address is a current withdraw address for the signer. Check 1_set_withdraw_address.js test for more details.
+        const newWithdrawAddress = '0x498B5AeC5D439b733dC2F58AB489783A23FB26dA';
+
+        // Check user balance before claiming rewards
+        const balanceBefore = await hre.ethers.provider.getBalance(newWithdrawAddress);
+        console.log('User balance before claiming:', balanceBefore.toString());
 
         const tx = await distribution
             .connect(signer)
@@ -51,12 +57,22 @@ describe('DistributionI – claimRewards', function () {
         const receipt = await tx.wait(2);
         console.log('ClaimRewards tx hash:', receipt.hash, 'gas used:', receipt.gasUsed.toString());
 
+        // Check user balance after claiming rewards
+        const balanceAfter = await hre.ethers.provider.getBalance(newWithdrawAddress);
+        console.log('User balance after claiming:', balanceAfter.toString());
+
         const evt = findEvent(receipt.logs, distribution.interface, 'ClaimRewards');
         expect(evt, 'ClaimRewards event should be emitted').to.exist;
         expect(evt.args.delegatorAddress).to.equal(signer.address);
         expect(evt.args.amount).to.be.a('bigint');
         console.log('totalRewards claimed:', evt.args.amount);
 
+        // Validate balance increase (accounting for gas costs)
+        const gasUsed = receipt.gasUsed * receipt.gasPrice;
+        const expectedMinBalance = balanceBefore - gasUsed + evt.args.amount;
+        expect(balanceAfter).to.be.gte(expectedMinBalance, 'User balance should increase by claimed rewards minus gas costs');
+        console.log('finished balance checks');
+
         // 3) query total rewards after claim, re-parse
         const postRaw = await distribution.delegationTotalRewards(delegatorAddress)
         const { delegationRewards: postDelegation, totalRewards: postTotal } = formatTotalRewards(postRaw)

From f814266eeac226279749600b0d3c0d52a28d05c5 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 21 Jul 2025 21:45:13 +0900
Subject: [PATCH 48/65] strict balance check

---
 .../suites/precompiles/test/1_staking/2_delegate.js       | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js b/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
index cad7fdf99..c6a0e39fb 100644
--- a/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
+++ b/tests/solidity/suites/precompiles/test/1_staking/2_delegate.js
@@ -2,7 +2,7 @@ const {expect} = require('chai')
 const hre = require('hardhat')
 const { findEvent } = require('../common')
 
-describe('Staking – delegate with event assertion (gte & precision)', function () {
+describe('Staking – delegate with event assertion', function () {
     const STAKING_ADDRESS = '0x0000000000000000000000000000000000000800'
     const BECH32_ADDRESS = '0x0000000000000000000000000000000000000400'
     const GAS_LIMIT = 1_000_000 // skip gas estimation for simplicity
@@ -62,10 +62,10 @@ describe('Staking – delegate with event assertion (gte & precision)', function
         const afterBalance = BigInt(afterDelegation.balance.amount.toString())
         console.log('Delegated amount after staking:', afterBalance.toString())
 
-        // ensure on-chain balance increased by at least stakeAmount
-        expect(afterBalance).to.be.at.least(
+        // ensure on-chain balance increased by exactly stakeAmount
+        expect(afterBalance).to.equal(
             initialBalance + stakeAmount,
-            'Delegation balance should increase by at least stakeAmount'
+            'Delegation balance should increase by exactly stakeAmount'
         )
     })
 })

From 8a17f8ff339f0a5d637d659bcfe693a61dcc270c Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 21 Jul 2025 22:10:45 +0900
Subject: [PATCH 49/65] add user balance check for fund community pool tc

---
 .../2_distribution/5_fund_community_pool.js   | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js b/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js
index cd4bba037..72ab66785 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/5_fund_community_pool.js
@@ -17,6 +17,10 @@ describe('Distribution – fund community pool', function () {
         const coin = { denom: 'atest', amount: hre.ethers.parseEther('0.01') };
 
         const beforePool = await distribution.communityPool();
+        
+        // Check user balance before funding
+        const balanceBefore = await hre.ethers.provider.getBalance(signer.address);
+        console.log('User balance before funding:', balanceBefore.toString());
 
         const tx = await distribution
             .connect(signer)
@@ -24,18 +28,31 @@ describe('Distribution – fund community pool', function () {
         const receipt = await tx.wait(2);
         console.log('FundCommunityPool tx hash:', receipt.hash);
 
+        // Check user balance after funding
+        const balanceAfter = await hre.ethers.provider.getBalance(signer.address);
+        console.log('User balance after funding:', balanceAfter.toString());
+
         const evt = findEvent(receipt.logs, distribution.interface, 'FundCommunityPool');
         expect(evt, 'FundCommunityPool event must be emitted').to.exist;
         expect(evt.args.depositor).to.equal(signer.address);
         expect(evt.args.denom).to.equal(coin.denom);
         expect(evt.args.amount.toString()).to.equal(coin.amount.toString());
 
+        // Validate user balance decreased by funding amount plus gas costs
+        const gasUsed = receipt.gasUsed * receipt.gasPrice;
+        const expectedBalance = balanceBefore - BigInt(coin.amount.toString()) - gasUsed;
+        expect(balanceAfter).to.equal(expectedBalance, 'User balance should decrease by funding amount plus gas costs');
+        console.log('finished balance checks');
+
         const afterPool = await distribution.communityPool();
         const beforeAmt = beforePool.find(c => c.denom === coin.denom);
         const afterAmt = afterPool.find(c => c.denom === coin.denom);
+        console.log('Community pool before funding:', beforeAmt.amount);
+        console.log('Community pool after funding:', afterAmt.amount);
         const start = beforeAmt ? BigInt(beforeAmt.amount.toString()) : 0n;
         const end = afterAmt ? BigInt(afterAmt.amount.toString()) : 0n;
-        expect(end).to.gte(start + BigInt(coin.amount.toString()));
+        // Community pool is continuously increasing by collecting fee, so end should be greater than or equal to start + funded amount
+        expect(end).to.gte(start + coin.amount, 'Community pool should increase by funded amount');
     });
 });
 

From 4f69fb65ea04f3180ed765db150699cf24fc957d Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 21 Jul 2025 22:19:14 +0900
Subject: [PATCH 50/65] add user balance check for deposit validator rewards
 pool tc

---
 .../6_deposit_validator_rewards_pool.js               | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js b/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js
index f83f00745..1779f1863 100644
--- a/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js
+++ b/tests/solidity/suites/precompiles/test/2_distribution/6_deposit_validator_rewards_pool.js
@@ -22,12 +22,18 @@ describe('Distribution – deposit validator rewards pool', function () {
         const beforeCoin = beforeRewards.find(c => c.denom === coin.denom);
         const start = beforeCoin ? BigInt(beforeCoin.amount.toString()) : 0n;
 
+        const balanceBefore = await hre.ethers.provider.getBalance(signer.address);
+        console.log('User balance before deposit:', balanceBefore.toString());
+
         const tx = await distribution
             .connect(signer)
             .depositValidatorRewardsPool(signer.address, VAL_BECH32, [coin], { gasLimit: GAS_LIMIT });
         const receipt = await tx.wait(2);
         console.log('DepositValidatorRewardsPool tx hash:', receipt.hash);
 
+        const balanceAfter = await hre.ethers.provider.getBalance(signer.address);
+        console.log('User balance after deposit:', balanceAfter.toString());
+
         const evt = findEvent(receipt.logs, distribution.interface, 'DepositValidatorRewardsPool');
         expect(evt, 'DepositValidatorRewardsPool event must be emitted').to.exist;
         expect(evt.args.depositor).to.equal(signer.address);
@@ -35,6 +41,11 @@ describe('Distribution – deposit validator rewards pool', function () {
         expect(evt.args.denom).to.equal(coin.denom);
         expect(evt.args.amount.toString()).to.equal(coin.amount.toString());
 
+        const gasUsed = receipt.gasUsed * receipt.gasPrice;
+        const expectedBalance = balanceBefore - BigInt(coin.amount.toString()) - gasUsed;
+        expect(balanceAfter).to.equal(expectedBalance, 'User balance should decrease by deposit amount plus gas costs');
+        console.log('finished balance checks');
+
         const afterRewards = await distribution.validatorOutstandingRewards(VAL_BECH32);
         const afterCoin = afterRewards.find(c => c.denom === coin.denom);
         const end = afterCoin ? BigInt(afterCoin.amount.toString()) : 0n;

From d4042b68476a342b92a5bc7d31870b16a0a98301 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 21 Jul 2025 23:14:59 +0900
Subject: [PATCH 51/65] should use owner, not contract address itself

---
 precompiles/erc20/approve.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/precompiles/erc20/approve.go b/precompiles/erc20/approve.go
index 9f1e80be4..e4bef8a5c 100644
--- a/precompiles/erc20/approve.go
+++ b/precompiles/erc20/approve.go
@@ -66,8 +66,7 @@ func (p Precompile) Approve(
 		return nil, err
 	}
 
-	// TODO: check owner?
-	if err := p.EmitApprovalEvent(ctx, stateDB, p.Address(), spender, amount); err != nil {
+	if err := p.EmitApprovalEvent(ctx, stateDB, owner, spender, amount); err != nil {
 		return nil, err
 	}
 

From 43d0962da5f6d43657d319a11500609404ac88a2 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Mon, 21 Jul 2025 23:29:36 +0900
Subject: [PATCH 52/65] add event checks for erc20 precompile tc

---
 .../suites/precompiles/test/3_erc20/erc20.js  | 25 ++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/tests/solidity/suites/precompiles/test/3_erc20/erc20.js b/tests/solidity/suites/precompiles/test/3_erc20/erc20.js
index 2eb8a5aed..e4a3ec032 100644
--- a/tests/solidity/suites/precompiles/test/3_erc20/erc20.js
+++ b/tests/solidity/suites/precompiles/test/3_erc20/erc20.js
@@ -1,5 +1,6 @@
 const { expect } = require('chai')
 const hre = require('hardhat')
+const { findEvent } = require('../common')
 
 describe('ERC20 Precompile', function () {
     let erc20, owner, spender, recipient
@@ -48,7 +49,13 @@ describe('ERC20 Precompile', function () {
         const prev   = await erc20.balanceOf(spender.address)
 
         const tx = await erc20.connect(owner).transfer(spender.address, amount)
-        await tx.wait(1)
+        const receipt = await tx.wait(1)
+
+        const transferEvent = findEvent(receipt.logs, erc20.interface, 'Transfer')
+        expect(transferEvent, 'Transfer event must be emitted').to.exist
+        expect(transferEvent.args.from).to.equal(owner.address)
+        expect(transferEvent.args.to).to.equal(spender.address)
+        expect(transferEvent.args.value).to.equal(amount)
 
         const after = await erc20.balanceOf(spender.address)
         expect(after - prev).to.equal(amount)
@@ -61,9 +68,15 @@ describe('ERC20 Precompile', function () {
         const approvalTx = await erc20.
             connect(owner)
             .approve(spender.address, amount, {gasLimit: GAS_LIMIT})
-        await approvalTx.wait(1)
+        const approvalReceipt = await approvalTx.wait(1)
         console.log(`Approval transaction hash: ${approvalTx.hash}`)
 
+        const approvalEvent = findEvent(approvalReceipt.logs, erc20.interface, 'Approval')
+        expect(approvalEvent, 'Approval event must be emitted').to.exist
+        expect(approvalEvent.args.owner).to.equal(owner.address)
+        expect(approvalEvent.args.spender).to.equal(spender.address)
+        expect(approvalEvent.args.value).to.equal(amount)
+
         // record pre-transfer balances and allowance
         const prevBalance    = await erc20.balanceOf(recipient.address)
         const prevAllowance  = await erc20.allowance(owner.address, spender.address)
@@ -74,9 +87,15 @@ describe('ERC20 Precompile', function () {
         const tx = await erc20
             .connect(spender)
             .transferFrom(owner.address, recipient.address, amount, {gasLimit: GAS_LIMIT})
-        await tx.wait(1)
+        const receipt = await tx.wait(1)
         console.log(`Transfer transaction hash: ${tx.hash}`)
 
+        const transferEvent = findEvent(receipt.logs, erc20.interface, 'Transfer')
+        expect(transferEvent, 'Transfer event must be emitted').to.exist
+        expect(transferEvent.args.from).to.equal(owner.address)
+        expect(transferEvent.args.to).to.equal(recipient.address)
+        expect(transferEvent.args.value).to.equal(amount)
+
         // post-transfer checks
         const afterBalance   = await erc20.balanceOf(recipient.address)
         const afterAllowance = await erc20.allowance(owner.address, spender.address)

From 3b084be3626402f140e3df1ac51ff310b4548086 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 22 Jul 2025 01:30:21 +0900
Subject: [PATCH 53/65] add balance checks for werc20 tc

---
 .../precompiles/test/9_werc20/werc20.js       | 78 +++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/tests/solidity/suites/precompiles/test/9_werc20/werc20.js b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
index fa6621586..0da5373e7 100644
--- a/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
+++ b/tests/solidity/suites/precompiles/test/9_werc20/werc20.js
@@ -16,6 +16,10 @@ describe('WERC20 – deposit and withdraw', function () {
         it('deposits native tokens successfully', async function () {
             const depositAmount = hre.ethers.parseEther('1.0');
             
+            // Check balances before deposit
+            const signerBalanceBefore = await hre.ethers.provider.getBalance(signer.address);
+            const contractBalanceBefore = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+
             console.log('Depositing', hre.ethers.formatEther(depositAmount), 'tokens');
             
             const tx = await werc20.deposit({
@@ -24,12 +28,21 @@ describe('WERC20 – deposit and withdraw', function () {
             });
             const receipt = await tx.wait();
             
+            // Check balances after deposit
+            const signerBalanceAfter = await hre.ethers.provider.getBalance(signer.address);
+            const contractBalanceAfter = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+            
             console.log('Deposit transaction hash:', receipt.hash);
             console.log('Gas used:', receipt.gasUsed.toString());
             
             // Check that transaction was successful
             expect(receipt.status).to.equal(1);
             expect(receipt.gasUsed).to.be.greaterThan(0);
+            const gasFee = receipt.gasUsed * receipt.gasPrice;
+
+            // Verify balance changes
+            expect(contractBalanceAfter).to.equal(contractBalanceBefore);
+            expect(signerBalanceAfter).to.equal(signerBalanceBefore - gasFee);
             
             // Look for Deposit event
             const parsed = findEvent(receipt.logs, werc20.interface, 'Deposit');
@@ -46,6 +59,10 @@ describe('WERC20 – deposit and withdraw', function () {
             ];
 
             for (const amount of amounts) {
+                // Check balances before deposit
+                const signerBalanceBefore = await hre.ethers.provider.getBalance(signer.address);
+                const contractBalanceBefore = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+                
                 console.log('Depositing', hre.ethers.formatEther(amount), 'tokens');
                 
                 const tx = await werc20.deposit({
@@ -54,16 +71,29 @@ describe('WERC20 – deposit and withdraw', function () {
                 });
                 const receipt = await tx.wait();
                 
+                // Check balances after deposit
+                const signerBalanceAfter = await hre.ethers.provider.getBalance(signer.address);
+                const contractBalanceAfter = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+                
                 console.log('Gas used for', hre.ethers.formatEther(amount), 'deposit:', receipt.gasUsed.toString());
                 
                 expect(receipt.status).to.equal(1);
                 expect(receipt.gasUsed).to.be.greaterThan(0);
+                const gasFee = receipt.gasUsed * receipt.gasPrice;
+                
+                // Verify balance changes
+                expect(contractBalanceAfter).to.equal(contractBalanceBefore);
+                expect(signerBalanceAfter).to.equal(signerBalanceBefore - gasFee);
             }
         });
 
         it('deposits via fallback function', async function () {
             const depositAmount = hre.ethers.parseEther('0.5');
             
+            // Check balances before deposit
+            const signerBalanceBefore = await hre.ethers.provider.getBalance(signer.address);
+            const contractBalanceBefore = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+            
             console.log('Depositing via fallback function');
             
             // Send ETH directly to the contract (should trigger fallback/receive)
@@ -74,10 +104,19 @@ describe('WERC20 – deposit and withdraw', function () {
             });
             const receipt = await tx.wait();
             
+            // Check balances after deposit
+            const signerBalanceAfter = await hre.ethers.provider.getBalance(signer.address);
+            const contractBalanceAfter = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+            
             console.log('Fallback deposit gas used:', receipt.gasUsed.toString());
             
             expect(receipt.status).to.equal(1);
             expect(receipt.gasUsed).to.be.greaterThan(0);
+            const gasFee = receipt.gasUsed * receipt.gasPrice;
+            
+            // Verify balance changes
+            expect(contractBalanceAfter).to.equal(contractBalanceBefore);
+            expect(signerBalanceAfter).to.equal(signerBalanceBefore - gasFee);
         });
     });
 
@@ -85,6 +124,10 @@ describe('WERC20 – deposit and withdraw', function () {
         it('withdraws tokens successfully', async function () {
             const withdrawAmount = hre.ethers.parseEther('1.0');
             
+            // Check balances before withdrawal
+            const signerBalanceBefore = await hre.ethers.provider.getBalance(signer.address);
+            const contractBalanceBefore = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+            
             console.log('Withdrawing', hre.ethers.formatEther(withdrawAmount), 'tokens');
             
             const tx = await werc20.withdraw(withdrawAmount, {
@@ -92,12 +135,21 @@ describe('WERC20 – deposit and withdraw', function () {
             });
             const receipt = await tx.wait();
             
+            // Check balances after withdrawal
+            const signerBalanceAfter = await hre.ethers.provider.getBalance(signer.address);
+            const contractBalanceAfter = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+            
             console.log('Withdraw transaction hash:', receipt.hash);
             console.log('Gas used:', receipt.gasUsed.toString());
             
             // Check that transaction was successful
             expect(receipt.status).to.equal(1);
             expect(receipt.gasUsed).to.be.greaterThan(0);
+            const gasFee = receipt.gasUsed * receipt.gasPrice;
+            
+            // Verify balance changes
+            expect(contractBalanceAfter).to.equal(contractBalanceBefore);
+            expect(signerBalanceAfter).to.equal(signerBalanceBefore - gasFee);
             
             // Look for Withdrawal event
             const parsed = findEvent(receipt.logs, werc20.interface, 'Withdrawal');
@@ -115,6 +167,10 @@ describe('WERC20 – deposit and withdraw', function () {
             ];
 
             for (const amount of amounts) {
+                // Check balances before withdrawal
+                const signerBalanceBefore = await hre.ethers.provider.getBalance(signer.address);
+                const contractBalanceBefore = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+                
                 console.log('Withdrawing', hre.ethers.formatEther(amount), 'tokens');
                 
                 const tx = await werc20.withdraw(amount, {
@@ -122,16 +178,29 @@ describe('WERC20 – deposit and withdraw', function () {
                 });
                 const receipt = await tx.wait();
                 
+                // Check balances after withdrawal
+                const signerBalanceAfter = await hre.ethers.provider.getBalance(signer.address);
+                const contractBalanceAfter = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+                
                 console.log('Gas used for', hre.ethers.formatEther(amount), 'withdrawal:', receipt.gasUsed.toString());
                 
                 expect(receipt.status).to.equal(1);
                 expect(receipt.gasUsed).to.be.greaterThan(0);
+                const gasFee = receipt.gasUsed * receipt.gasPrice;
+                
+                // Verify balance changes
+                expect(contractBalanceAfter).to.equal(contractBalanceBefore);
+                expect(signerBalanceAfter).to.equal(signerBalanceBefore - gasFee);
             }
         });
 
         it('withdraws zero amount (edge case)', async function () {
             const zeroAmount = hre.ethers.parseEther('0');
             
+            // Check balances before withdrawal
+            const signerBalanceBefore = await hre.ethers.provider.getBalance(signer.address);
+            const contractBalanceBefore = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+            
             console.log('Withdrawing zero amount');
             
             const tx = await werc20.withdraw(zeroAmount, {
@@ -139,10 +208,19 @@ describe('WERC20 – deposit and withdraw', function () {
             });
             const receipt = await tx.wait();
             
+            // Check balances after withdrawal
+            const signerBalanceAfter = await hre.ethers.provider.getBalance(signer.address);
+            const contractBalanceAfter = await hre.ethers.provider.getBalance(WERC20_ADDRESS);
+            
             console.log('Gas used for zero withdrawal:', receipt.gasUsed.toString());
             
             expect(receipt.status).to.equal(1);
             expect(receipt.gasUsed).to.be.greaterThan(0);
+            
+            // Verify balance changes (should be no change for zero withdrawal except gas fees)
+            const gasFee = receipt.gasUsed * receipt.gasPrice;
+            expect(contractBalanceAfter).to.equal(contractBalanceBefore);
+            expect(signerBalanceAfter).to.equal(signerBalanceBefore - gasFee);
         });
     });
 });
\ No newline at end of file

From 9320fa5c56d76280067f26a6d12e1ae13580319d Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 22 Jul 2025 01:45:00 +0900
Subject: [PATCH 54/65] add balance check for gov deposit tc

---
 .../solidity/suites/precompiles/test/6_gov/gov.js  | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/tests/solidity/suites/precompiles/test/6_gov/gov.js b/tests/solidity/suites/precompiles/test/6_gov/gov.js
index 7230a8c77..43ffb602b 100644
--- a/tests/solidity/suites/precompiles/test/6_gov/gov.js
+++ b/tests/solidity/suites/precompiles/test/6_gov/gov.js
@@ -63,12 +63,24 @@ describe('Gov Precompile', function () {
     })
 
     it('deposits on the global proposal', async function () {
-        const deposit = { denom: 'atest', amount: hre.ethers.parseEther('0.5') }
+        const amt = hre.ethers.parseEther('0.5')
+        const deposit = { denom: 'atest', amount: amt }
+
+        // Check balances before deposit
+        const signerBalanceBefore = await hre.ethers.provider.getBalance(signer.address)
 
         const depTx = await gov
             .connect(signer)
             .deposit(signer.address, globalProposalId, [deposit], { gasLimit: GAS_LIMIT })
         const depRcpt = await depTx.wait(2)
+
+        // Check balances after deposit
+        const signerBalanceAfter = await hre.ethers.provider.getBalance(signer.address)
+        const gasFee = depRcpt.gasUsed * depRcpt.gasPrice
+
+        // Verify balance changes (only gas fees should be deducted for gov deposit)
+        expect(signerBalanceAfter).to.equal(signerBalanceBefore - amt - gasFee)
+
         const depEvt = findEvent(depRcpt.logs, gov.interface, 'Deposit')
         expect(depEvt, 'Deposit event must be emitted').to.exist
         expect(depEvt.args.proposalId).to.equal(globalProposalId)

From ae29f9562e45107f1824a9797b9739e3e3da2f43 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Tue, 22 Jul 2025 01:52:58 +0900
Subject: [PATCH 55/65] add balance check for gov cancel proposal tc

---
 .../suites/precompiles/test/6_gov/gov.js      | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/solidity/suites/precompiles/test/6_gov/gov.js b/tests/solidity/suites/precompiles/test/6_gov/gov.js
index 43ffb602b..f553c08d2 100644
--- a/tests/solidity/suites/precompiles/test/6_gov/gov.js
+++ b/tests/solidity/suites/precompiles/test/6_gov/gov.js
@@ -189,12 +189,31 @@ describe('Gov Precompile', function () {
         expect(proposal.summary).to.equal('test prop')
     })
 
+    // TODO: Add multiple depositors case.
     it('cancels a proposal', async function () {
         const proposalIdToCancel = globalProposalId
+        
+        // Calculate total deposits made (1 ETH initial + 0.5 ETH additional)
+        const initialDeposit = hre.ethers.parseEther('1')
+        const additionalDeposit = hre.ethers.parseEther('0.5')
+        const totalDeposits = initialDeposit + additionalDeposit
+        const expectedRefund = totalDeposits / 2n // 50% refund
+        
+        // Check balances before cancel
+        const signerBalanceBefore = await hre.ethers.provider.getBalance(signer.address)
+        
         const cancelTx = await gov
             .connect(signer)
             .cancelProposal(signer.address, proposalIdToCancel, {gasLimit: GAS_LIMIT})
         const cancelRcpt = await cancelTx.wait(2)
+        
+        // Check balances after cancel
+        const signerBalanceAfter = await hre.ethers.provider.getBalance(signer.address)
+        const gasFee = cancelRcpt.gasUsed * cancelRcpt.gasPrice
+        
+        // Verify balance changes (50% refund minus gas fees)
+        expect(signerBalanceAfter).to.equal(signerBalanceBefore + expectedRefund - gasFee)
+        
         const cancelEvt = findEvent(cancelRcpt.logs, gov.interface, 'CancelProposal')
 
         expect(cancelEvt, 'CancelProposal event must be emitted').to.exist

From e16881c5eaa59f2e35248f8fea500217f157a0e1 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Thu, 24 Jul 2025 18:51:14 +0900
Subject: [PATCH 56/65] add revert e2e test cases

---
 package-lock.json                             |   6 +
 .../contracts/RevertTestContract.sol          | 223 +++++++
 .../contracts/StandardRevertTestContract.sol  | 261 ++++++++
 .../suites/revert_cases/hardhat.config.js     |  27 +
 .../solidity/suites/revert_cases/package.json |  35 ++
 .../suites/revert_cases/test/common.js        |  61 ++
 .../test/precompile_revert_cases.js           | 383 ++++++++++++
 .../test/standard_revert_cases.js             | 561 ++++++++++++++++++
 8 files changed, 1557 insertions(+)
 create mode 100644 package-lock.json
 create mode 100644 tests/solidity/suites/revert_cases/contracts/RevertTestContract.sol
 create mode 100644 tests/solidity/suites/revert_cases/contracts/StandardRevertTestContract.sol
 create mode 100644 tests/solidity/suites/revert_cases/hardhat.config.js
 create mode 100644 tests/solidity/suites/revert_cases/package.json
 create mode 100644 tests/solidity/suites/revert_cases/test/common.js
 create mode 100644 tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
 create mode 100644 tests/solidity/suites/revert_cases/test/standard_revert_cases.js

diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 000000000..819063d72
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,6 @@
+{
+  "name": "evm",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}
diff --git a/tests/solidity/suites/revert_cases/contracts/RevertTestContract.sol b/tests/solidity/suites/revert_cases/contracts/RevertTestContract.sol
new file mode 100644
index 000000000..b9064eae9
--- /dev/null
+++ b/tests/solidity/suites/revert_cases/contracts/RevertTestContract.sol
@@ -0,0 +1,223 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "./cosmos/staking/StakingI.sol";
+import "./cosmos/distribution/DistributionI.sol";
+import "./cosmos/bank/IBank.sol";
+import "./cosmos/common/Types.sol";
+
+/**
+ * @title RevertTestContract
+ * @dev Contract for testing Cosmos precompile revert scenarios and error message handling
+ * Focuses specifically on precompile calls and interactions with Cosmos SDK modules
+ */
+contract RevertTestContract {
+    uint256 public counter = 0;
+    
+    // Events to track what operations are performed
+    event PrecompileCallMade(string precompileName, bool success);
+    event OutOfGasSimulated(uint256 gasLeft);
+    
+    constructor() payable {}
+    
+    // ============ DIRECT PRECOMPILE CALL REVERTS ============
+    
+    /**
+     * @dev Direct staking precompile call that will revert
+     */
+    function directStakingRevert(string calldata invalidValidator) external {
+        counter++;
+        emit PrecompileCallMade("staking", false);
+        // This should revert with invalid validator address
+        STAKING_CONTRACT.delegate(address(this), invalidValidator, 1);
+    }
+    
+    /**
+     * @dev Direct distribution precompile call that will revert
+     */
+    function directDistributionRevert(string calldata invalidValidator) external {
+        counter++;
+        emit PrecompileCallMade("distribution", false);
+        // This should revert with invalid validator address
+        STAKING_CONTRACT.delegate(address(this), invalidValidator, 1);
+        DISTRIBUTION_CONTRACT.withdrawDelegatorRewards(address(this), invalidValidator);
+    }
+    
+    /**
+     * @dev Direct bank precompile call that will revert
+     */
+    function directBankRevert() external view {
+        // This should revert with invalid denom
+        IBANK_CONTRACT.balances(address(this));
+    }
+    
+    // ============ PRECOMPILE CALL VIA CONTRACT REVERTS ============
+    
+    /**
+     * @dev Precompile call via contract that reverts
+     */
+    function precompileViaContractRevert(string calldata invalidValidator) external {
+        counter++;
+        try this.internalStakingCall(invalidValidator) {
+            // Should not reach here
+        } catch (bytes memory reason) {
+            // Re-throw the error to maintain the revert
+            assembly {
+                revert(add(reason, 0x20), mload(reason))
+            }
+        }
+    }
+    
+    /**
+     * @dev Internal function for precompile call via contract
+     */
+    function internalStakingCall(string calldata validatorAddress) external {
+        require(msg.sender == address(this), "Only self can call");
+        emit PrecompileCallMade("staking_internal", false);
+        STAKING_CONTRACT.delegate(address(this), validatorAddress, 1);
+    }
+    
+    /**
+     * @dev Complex scenario: multiple precompile calls with revert
+     */
+    function multiplePrecompileCallsWithRevert(string calldata validatorAddress) external {
+        counter++;
+        
+        // First, make a successful call
+        try IBANK_CONTRACT.balances(address(this)) returns (Balance[] memory balances) {
+            emit PrecompileCallMade("bank", true);
+        } catch {
+            emit PrecompileCallMade("bank", false);
+        }
+        
+        // Then make a call that will revert
+        emit PrecompileCallMade("staking_multi", false);
+        STAKING_CONTRACT.delegate(address(this), validatorAddress, 1);
+    }
+    
+    // ============ PRECOMPILE OUT OF GAS ERROR CASES ============
+    
+    /**
+     * @dev Direct precompile call that runs out of gas
+     */
+    function directStakingOutOfGas(string calldata validatorAddress) external {
+        counter++;
+        emit OutOfGasSimulated(gasleft());
+        
+        // First consume most gas
+        for (uint256 i = 0; i < 1000000; i++) {
+            counter++;
+        }
+        
+        // Then try precompile call with remaining gas
+        STAKING_CONTRACT.delegate(address(this), validatorAddress, 1);
+    }
+    
+    /**
+     * @dev Precompile call via contract that runs out of gas
+     */
+    function precompileViaContractOutOfGas(string calldata validatorAddress) external {
+        counter++;
+        emit OutOfGasSimulated(gasleft());
+        
+        // Consume most gas first
+        for (uint256 i = 0; i < 1000000; i++) {
+            counter++;
+        }
+        
+        // Then try internal precompile call
+        this.internalStakingCall(validatorAddress);
+    }
+    
+    /**
+     * @dev Wrapper precompile call that runs out of gas
+     */
+    function wrappedPrecompileOutOfGas(string calldata validatorAddress) external {
+        counter++;
+        emit OutOfGasSimulated(gasleft());
+        
+        // Consume most gas in expensive operations
+        for (uint256 i = 0; i < 500000; i++) {
+            keccak256(abi.encode(i, block.timestamp, msg.sender));
+            counter++;
+        }
+        
+        // Then try multiple precompile calls
+        STAKING_CONTRACT.delegate(address(this), validatorAddress, 1);
+        DISTRIBUTION_CONTRACT.withdrawDelegatorRewards(address(this), validatorAddress);
+    }
+    
+    // ============ UTILITY FUNCTIONS ============
+    
+    /**
+     * @dev Get current counter value
+     */
+    function getCounter() external view returns (uint256) {
+        return counter;
+    }
+    
+    /**
+     * @dev Reset counter (for testing)
+     */
+    function resetCounter() external {
+        counter = 0;
+    }
+    
+    /**
+     * @dev Fund contract with native tokens
+     */
+    receive() external payable {}
+    
+    /**
+     * @dev Withdraw funds (for testing)
+     */
+    function withdraw() external {
+        payable(msg.sender).transfer(address(this).balance);
+    }
+}
+
+/**
+ * @title PrecompileWrapper
+ * @dev Helper contract for testing precompile calls via external contracts
+ */
+contract PrecompileWrapper {
+    event WrapperCall(string operation, bool success);
+    
+    constructor() payable {}
+    
+    /**
+     * @dev Wrapper function that calls staking precompile and reverts
+     */
+    function wrappedStakingCall(string calldata validatorAddress, uint256 amount) external {
+        emit WrapperCall("staking", false);
+        STAKING_CONTRACT.delegate(address(this), validatorAddress, amount);
+        revert("Wrapper intentional revert");
+    }
+    
+    /**
+     * @dev Wrapper function that calls distribution precompile and reverts
+     */
+    function wrappedDistributionCall(string calldata validatorAddress) external {
+        emit WrapperCall("distribution", false);
+        DISTRIBUTION_CONTRACT.withdrawDelegatorRewards(address(this), validatorAddress);
+        revert("Wrapper intentional revert");
+    }
+    
+    /**
+     * @dev Wrapper function that runs out of gas
+     */
+    function wrappedOutOfGasCall(string calldata validatorAddress) external {
+        // Consume all gas
+        for (uint256 i = 0; i < 1000000; i++) {
+            // Gas consuming operation
+            keccak256(abi.encode(i));
+        }
+        
+        STAKING_CONTRACT.delegate(address(this), validatorAddress, 1);
+    }
+    
+    /**
+     * @dev Fund wrapper contract
+     */
+    receive() external payable {}
+}
diff --git a/tests/solidity/suites/revert_cases/contracts/StandardRevertTestContract.sol b/tests/solidity/suites/revert_cases/contracts/StandardRevertTestContract.sol
new file mode 100644
index 000000000..73656c541
--- /dev/null
+++ b/tests/solidity/suites/revert_cases/contracts/StandardRevertTestContract.sol
@@ -0,0 +1,261 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+/**
+ * @title StandardRevertTestContract
+ * @dev Contract for testing standard Ethereum revert scenarios and error message handling
+ * Compatible with any Ethereum node (Geth, etc.) - no custom precompiles required
+ */
+contract StandardRevertTestContract {
+    uint256 public counter = 0;
+    
+    // Events to track what operations are performed
+    event StandardRevert(string reason);
+    event OutOfGasSimulated(uint256 gasLeft);
+    event CounterIncremented(uint256 newValue);
+    
+    constructor() payable {}
+    
+    // ============ STANDARD CONTRACT REVERT CASES ============
+    
+    /**
+     * @dev Simple revert with custom message
+     */
+    function standardRevert(string calldata reason) external {
+        counter++;
+        emit StandardRevert(reason);
+        revert(reason);
+    }
+    
+    /**
+     * @dev Revert with require statement
+     */
+    function requireRevert(uint256 value, uint256 threshold) external {
+        counter++;
+        require(value < threshold, "Value exceeds threshold");
+        emit CounterIncremented(counter);
+    }
+    
+    /**
+     * @dev Assert revert (should generate Panic error)
+     */
+    function assertRevert() external {
+        counter++;
+        assert(false);
+    }
+    
+    /**
+     * @dev Division by zero (should generate Panic error)
+     */
+    function divisionByZero() external view returns (uint256) {
+        uint256 zero = 0;
+        return 1 / zero;
+    }
+    
+    /**
+     * @dev Array out of bounds (should generate Panic error)
+     */
+    function arrayOutOfBounds() external view returns (uint256) {
+        uint256[] memory arr = new uint256[](2);
+        return arr[5]; // This will cause an out of bounds error
+    }
+    
+    /**
+     * @dev Division by zero in transaction context (should generate Panic error)
+     */
+    function divisionByZeroTx() external returns (uint256) {
+        counter++; // State change to make it a transaction
+        uint256 zero = 0;
+        return 1 / zero;
+    }
+    
+    /**
+     * @dev Array out of bounds in transaction context (should generate Panic error)
+     */
+    function arrayOutOfBoundsTx() external returns (uint256) {
+        counter++; // State change to make it a transaction
+        uint256[] memory arr = new uint256[](2);
+        return arr[5]; // This will cause an out of bounds error
+    }
+    
+    /**
+     * @dev Overflow error (should generate Panic error in older Solidity)
+     */
+    function overflowError() external pure returns (uint256) {
+        unchecked {
+            uint256 max = type(uint256).max;
+            return max + 1; // This might overflow depending on Solidity version
+        }
+    }
+    
+    // ============ OUT OF GAS ERROR CASES ============
+    
+    /**
+     * @dev Standard contract call that runs out of gas
+     */
+    function standardOutOfGas() external {
+        counter++;
+        emit OutOfGasSimulated(gasleft());
+        
+        // Consume all remaining gas
+        while (gasleft() > 1000) {
+            // Consume gas in a loop
+            counter++;
+        }
+    }
+    
+    /**
+     * @dev Expensive computation that can run out of gas
+     */
+    function expensiveComputation(uint256 iterations) external {
+        counter++;
+        emit OutOfGasSimulated(gasleft());
+        
+        // Perform expensive operations
+        for (uint256 i = 0; i < iterations; i++) {
+            // Hash operations are gas-expensive
+            keccak256(abi.encode(i, block.timestamp, msg.sender));
+            counter++;
+        }
+    }
+    
+    /**
+     * @dev Storage operations that can run out of gas
+     */
+    function expensiveStorage(uint256 iterations) external {
+        counter++;
+        emit OutOfGasSimulated(gasleft());
+        
+        // Storage operations are very gas-expensive
+        for (uint256 i = 0; i < iterations; i++) {
+            assembly {
+                sstore(add(counter.slot, i), i)
+            }
+        }
+    }
+    
+    // ============ COMPLEX REVERT SCENARIOS ============
+    
+    /**
+     * @dev Multiple function calls with revert
+     */
+    function multipleCallsWithRevert() external {
+        counter++;
+        
+        // First, do some successful operations
+        this.incrementCounter();
+        
+        // Then revert
+        revert("Multiple calls revert");
+    }
+    
+    /**
+     * @dev Try-catch with revert
+     */
+    function tryCatchRevert(bool shouldRevert) external {
+        counter++;
+        
+        if (shouldRevert) {
+            try this.internalRevert() {
+                // Should not reach here
+            } catch (bytes memory reason) {
+                // Re-throw the error to maintain the revert
+                assembly {
+                    revert(add(reason, 0x20), mload(reason))
+                }
+            }
+        } else {
+            // Successful path
+            emit CounterIncremented(counter);
+        }
+    }
+    
+    /**
+     * @dev Internal function that always reverts
+     */
+    function internalRevert() external pure {
+        revert("Internal function revert");
+    }
+    
+    // ============ UTILITY FUNCTIONS ============
+    
+    /**
+     * @dev Simple function that increments counter
+     */
+    function incrementCounter() external {
+        counter++;
+        emit CounterIncremented(counter);
+    }
+    
+    /**
+     * @dev Get current counter value
+     */
+    function getCounter() external view returns (uint256) {
+        return counter;
+    }
+    
+    /**
+     * @dev Reset counter (for testing)
+     */
+    function resetCounter() external {
+        counter = 0;
+    }
+    
+    /**
+     * @dev Fund contract with native tokens
+     */
+    receive() external payable {}
+    
+    /**
+     * @dev Withdraw funds (for testing)
+     */
+    function withdraw() external {
+        payable(msg.sender).transfer(address(this).balance);
+    }
+    
+    /**
+     * @dev Get contract balance
+     */
+    function getBalance() external view returns (uint256) {
+        return address(this).balance;
+    }
+}
+
+/**
+ * @title SimpleWrapper
+ * @dev Helper contract for testing reverts via external contracts
+ */
+contract SimpleWrapper {
+    event WrapperCall(string operation, bool success);
+    
+    constructor() payable {}
+    
+    /**
+     * @dev Wrapper function that calls standard revert
+     */
+    function wrappedStandardCall(StandardRevertTestContract target, string calldata reason) external {
+        emit WrapperCall("standard_revert", false);
+        target.standardRevert(reason);
+    }
+    
+    /**
+     * @dev Wrapper function that runs out of gas
+     */
+    function wrappedOutOfGasCall(StandardRevertTestContract target) external {
+        emit WrapperCall("out_of_gas", false);
+        
+        // Consume most gas first
+        for (uint256 i = 0; i < 100000; i++) {
+            // Gas consuming operation
+            keccak256(abi.encode(i));
+        }
+        
+        // Then try the expensive call
+        target.expensiveComputation(10000);
+    }
+    
+    /**
+     * @dev Fund wrapper contract
+     */
+    receive() external payable {}
+}
\ No newline at end of file
diff --git a/tests/solidity/suites/revert_cases/hardhat.config.js b/tests/solidity/suites/revert_cases/hardhat.config.js
new file mode 100644
index 000000000..82678da39
--- /dev/null
+++ b/tests/solidity/suites/revert_cases/hardhat.config.js
@@ -0,0 +1,27 @@
+require("@nomicfoundation/hardhat-toolbox");
+
+/** @type import('hardhat/config').HardhatUserConfig */
+module.exports = {
+  solidity: {
+    compilers: [
+      {
+        version: "0.8.18",
+      },
+      // This version is required to compile the werc9 contract.
+      {
+        version: "0.4.22",
+      },
+    ],
+  },
+  networks: {
+    cosmos: {
+      url: "http://127.0.0.1:8545",
+      chainId: 4221,
+      accounts: [
+        "0x88CBEAD91AEE890D27BF06E003ADE3D4E952427E88F88D31D61D3EF5E5D54305",
+        "0x3B7955D25189C99A7468192FCBC6429205C158834053EBE3F78F4512AB432DB9",
+        "0xe9b1d63e8acd7fe676acb43afb390d4b0202dab61abec9cf2a561e4becb147de",
+      ],
+    },
+  },
+};
diff --git a/tests/solidity/suites/revert_cases/package.json b/tests/solidity/suites/revert_cases/package.json
new file mode 100644
index 000000000..7788ed08a
--- /dev/null
+++ b/tests/solidity/suites/revert_cases/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "revert_cases",
+  "version": "1.0.0",
+  "author": "Evmos team",
+  "license": "GPL-3.0-or-later",
+  "scripts": {
+    "get-contracts": "mkdir -p ./contracts/cosmos && rsync -avm --include='*/' --exclude='**/ERC20Minter_OpenZeppelinV5.sol' --exclude='**/WEVMOS.sol' --exclude='**/ERC20NoMetadata.sol' --include='*.sol' --exclude='*' ../../../../precompiles/ ./contracts/cosmos/",
+    "clean-contracts": "rm -rf ./contracts/cosmos/*",
+    "test-ganache": "yarn hardhat test",
+    "test-cosmos": "yarn get-contracts && yarn hardhat test --network cosmos && yarn clean-contracts"
+  },
+  "devDependencies": {
+    "@nomicfoundation/hardhat-chai-matchers": "^2.0.2",
+    "@nomicfoundation/hardhat-ethers": "^3.0.4",
+    "@nomicfoundation/hardhat-network-helpers": "^1.0.8",
+    "@nomicfoundation/hardhat-toolbox": "^3.0.0",
+    "@nomicfoundation/hardhat-verify": "^1.1.1",
+    "@openzeppelin/hardhat-upgrades": "^2.0.2",
+    "@openzeppelin/contracts": "^4.9.6",
+    "@typechain/ethers-v6": "^0.4.3",
+    "@typechain/hardhat": "^8.0.3",
+    "@types/chai": "^4.3.5",
+    "@types/mocha": "^10.0.1",
+    "chai": "^4.3.7",
+    "hardhat": "^2.20.0",
+    "hardhat-gas-reporter": "^1.0.9",
+    "solidity-coverage": "^0.8.4",
+    "ts-node": "^10.9.1",
+    "typechain": "^8.3.1",
+    "typescript": "^5.1.6"
+  },
+  "dependencies": {
+    "ethers": "^6.7.0"
+  }
+}
diff --git a/tests/solidity/suites/revert_cases/test/common.js b/tests/solidity/suites/revert_cases/test/common.js
new file mode 100644
index 000000000..ec19b236f
--- /dev/null
+++ b/tests/solidity/suites/revert_cases/test/common.js
@@ -0,0 +1,61 @@
+// Common constants and helper utilities for precompile tests
+
+const STAKING_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000800'
+const BECH32_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000400'
+const DISTRIBUTION_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000801'
+const BANK_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000804'
+const GOV_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000805'
+const SLASHING_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000806'
+const P256_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000100'
+const WERC20_ADDRESS = '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE'
+
+// Default gas limits used across tests
+const DEFAULT_GAS_LIMIT = 1_000_000
+const LARGE_GAS_LIMIT = 10_000_000
+
+// Helper to convert the raw tuple returned by staking.validator() into an object
+function parseValidator (raw) {
+    return {
+        operatorAddress: raw[0],
+        consensusPubkey: raw[1],
+        jailed: raw[2],
+        status: raw[3],
+        tokens: raw[4],
+        delegatorShares: raw[5],
+        description: raw[6],
+        unbondingHeight: raw[7],
+        unbondingTime: raw[8],
+        commission: raw[9],
+        minSelfDelegation: raw[10]
+    }
+}
+
+// Utility to parse logs and return the first matching event by name
+function findEvent (logs, iface, eventName) {
+    for (const log of logs) {
+        try {
+            const parsed = iface.parseLog(log)
+            if (parsed && parsed.name === eventName) {
+                return parsed
+            }
+        } catch {
+            // ignore logs that do not match the contract interface
+        }
+    }
+    return null
+}
+
+module.exports = {
+    STAKING_PRECOMPILE_ADDRESS,
+    BECH32_PRECOMPILE_ADDRESS,
+    DISTRIBUTION_PRECOMPILE_ADDRESS,
+    BANK_PRECOMPILE_ADDRESS,
+    GOV_PRECOMPILE_ADDRESS,
+    SLASHING_PRECOMPILE_ADDRESS,
+    P256_PRECOMPILE_ADDRESS,
+    WERC20_ADDRESS,
+    DEFAULT_GAS_LIMIT,
+    LARGE_GAS_LIMIT,
+    parseValidator,
+    findEvent
+}
\ No newline at end of file
diff --git a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
new file mode 100644
index 000000000..5f82e910c
--- /dev/null
+++ b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
@@ -0,0 +1,383 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+const {
+    LARGE_GAS_LIMIT,
+    DEFAULT_GAS_LIMIT
+} = require('./common');
+
+describe('Precompile Revert Cases E2E Tests', function () {
+    let revertTestContract, precompileWrapper, signer;
+    let validValidatorAddress, invalidValidatorAddress;
+
+    before(async function () {
+        [signer] = await hre.ethers.getSigners();
+        
+        // Deploy RevertTestContract
+        const RevertTestContractFactory = await hre.ethers.getContractFactory('RevertTestContract');
+        revertTestContract = await RevertTestContractFactory.deploy({
+            value: hre.ethers.parseEther('1.0'), // Fund with 1 ETH
+            gasLimit: LARGE_GAS_LIMIT
+        });
+        await revertTestContract.waitForDeployment();
+        
+        // Deploy PrecompileWrapper
+        const PrecompileWrapperFactory = await hre.ethers.getContractFactory('PrecompileWrapper');
+        precompileWrapper = await PrecompileWrapperFactory.deploy({
+            value: hre.ethers.parseEther('1.0'), // Fund with 1 ETH
+            gasLimit: LARGE_GAS_LIMIT
+        });
+        await precompileWrapper.waitForDeployment();
+        
+        // Use a known validator for valid cases and invalid one for error cases
+        validValidatorAddress = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql';
+        invalidValidatorAddress = 'invalid_validator_address';
+        
+        console.log('RevertTestContract deployed at:', await revertTestContract.getAddress());
+        console.log('PrecompileWrapper deployed at:', await precompileWrapper.getAddress());
+    });
+
+    /**
+     * Helper function to decode hex error data from transaction receipt
+     */
+    function decodeRevertReason(errorData) {
+        if (!errorData || errorData === '0x') {
+            return null;
+        }
+        
+        try {
+            // Remove '0x' prefix
+            const cleanHex = errorData.startsWith('0x') ? errorData.slice(2) : errorData;
+            
+            // Check if it's a standard revert string (function selector: 08c379a0)
+            if (cleanHex.startsWith('08c379a0')) {
+                const reasonHex = cleanHex.slice(8); // Remove function selector
+                const reasonLength = parseInt(reasonHex.slice(0, 64), 16); // Get string length
+                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
+                return Buffer.from(reasonBytes, 'hex').toString('utf8');
+            }
+            
+            // Check if it's a Panic error (function selector: 4e487b71)
+            if (cleanHex.startsWith('4e487b71')) {
+                const panicCode = parseInt(cleanHex.slice(8, 72), 16);
+                return `Panic(${panicCode})`;
+            }
+            
+            // Return raw hex if not a standard format
+            return `Raw: ${errorData}`;
+        } catch (error) {
+            return `Decode error: ${error.message}`;
+        }
+    }
+
+    /**
+     * Helper function to analyze transaction receipt for revert information
+     */
+    async function analyzeFailedTransaction(txHash) {
+        const receipt = await hre.ethers.provider.getTransactionReceipt(txHash);
+        const tx = await hre.ethers.provider.getTransaction(txHash);
+        
+       // Try to get revert reason through call simulation
+        try {
+            await hre.ethers.provider.call({
+                to: tx.to,
+                data: tx.data,
+                from: tx.from,
+                value: tx.value,
+                gasLimit: tx.gasLimit,
+                gasPrice: tx.gasPrice
+            });
+        } catch (error) {
+            console.log(`  Revert Reason: ${decodeRevertReason(error.data)}`);
+            return {
+                status: receipt.status,
+                gasUsed: receipt.gasUsed,
+                gasLimit: tx.gasLimit,
+                errorData: error.data,
+                decodedReason: decodeRevertReason(error.data)
+            };
+        }
+        
+        return {
+            status: receipt.status,
+            gasUsed: receipt.gasUsed,
+            gasLimit: tx.gasLimit,
+            errorData: null,
+            decodedReason: null
+        };
+    }
+
+    describe('Direct Precompile Call Reverts', function () {
+        it('should handle direct staking precompile revert', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await revertTestContract.directStakingRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should handle direct distribution precompile revert', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await revertTestContract.directDistributionRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should handle direct bank precompile revert', async function () {
+            // directBankRevert is a view function, so it should revert immediately
+            let callReverted = false;
+            
+            try {
+                await revertTestContract.directBankRevert();
+                expect.fail('Call should have reverted');
+            } catch (error) {
+                callReverted = true;
+            }
+            
+            expect(callReverted).to.be.true;
+        });
+
+        it('should capture precompile revert reason through transaction receipt', async function () {
+            try {
+                const tx = await revertTestContract.directStakingRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                if (error.receipt) {
+                    const analysis = await analyzeFailedTransaction(error.receipt.hash);
+                    expect(analysis.status).to.equal(0); // Failed transaction
+                    expect(analysis.errorData).to.not.be.null;
+                    console.log('Precompile revert analysis:', analysis);
+                }
+            }
+        });
+    });
+
+    describe('Precompile Call Via Contract Reverts', function () {
+        it('should handle precompile call via contract revert', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await revertTestContract.precompileViaContractRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should handle multiple precompile calls with revert', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await revertTestContract.multiplePrecompileCallsWithRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should handle wrapper contract precompile revert', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await precompileWrapper.wrappedStakingCall(invalidValidatorAddress, 1, { gasLimit: LARGE_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should capture wrapper revert reason via transaction receipt', async function () {
+            try {
+                const tx = await precompileWrapper.wrappedDistributionCall(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                if (error.receipt) {
+                    const analysis = await analyzeFailedTransaction(error.receipt.hash);
+                    expect(analysis.status).to.equal(0);
+                    expect(analysis.decodedReason).to.include("invalid validator address");
+                }
+            }
+        });
+    });
+
+    describe('Precompile OutOfGas Error Cases', function () {
+        it('should handle direct precompile OutOfGas', async function () {
+            // Use a very low gas limit to trigger OutOfGas on precompile calls
+            const lowGasLimit = 80000;
+            let transactionFailed = false;
+            let gasAnalysis = null;
+            
+            try {
+                const tx = await revertTestContract.directStakingOutOfGas(validValidatorAddress, { gasLimit: lowGasLimit });
+                await tx.wait();
+                expect.fail('Transaction should have failed with OutOfGas');
+            } catch (error) {
+                transactionFailed = true;
+                
+                // Analyze the transaction to verify it's specifically OutOfGas
+                if (error.receipt) {
+                    const gasUsed = Number(error.receipt.gasUsed);
+                    const gasLimit = lowGasLimit;
+                    const gasUtilization = gasUsed / gasLimit;
+                    
+                    gasAnalysis = {
+                        gasUsed,
+                        gasLimit,
+                        gasUtilization,
+                        isOutOfGas: gasUtilization > 0.9 // Used more than 90% of gas
+                    };
+                    
+                    console.log('Precompile OutOfGas Analysis:', gasAnalysis);
+                }
+            }
+            
+            expect(transactionFailed).to.be.true;
+            
+            // Verify this is specifically an OutOfGas error
+            if (gasAnalysis) {
+                expect(gasAnalysis.isOutOfGas).to.be.true;
+                expect(gasAnalysis.gasUtilization).to.be.greaterThan(0.8); // Should use most of the gas
+            }
+        });
+
+        it('should handle precompile via contract OutOfGas', async function () {
+            let transactionFailed = false;
+            
+            try {
+                const tx = await revertTestContract.precompileViaContractOutOfGas(validValidatorAddress, { gasLimit: 100000 });
+                await tx.wait();
+                expect.fail('Transaction should have failed with OutOfGas');
+            } catch (error) {
+                transactionFailed = true;
+            }
+            
+            expect(transactionFailed).to.be.true;
+        });
+
+        it('should handle wrapper precompile OutOfGas', async function () {
+            let transactionFailed = false;
+            
+            try {
+                const tx = await precompileWrapper.wrappedOutOfGasCall(validValidatorAddress, { gasLimit: 100000 });
+                await tx.wait();
+                expect.fail('Transaction should have failed with OutOfGas');
+            } catch (error) {
+                transactionFailed = true;
+            }
+            
+            expect(transactionFailed).to.be.true;
+        });
+
+        it('should analyze precompile OutOfGas error through transaction receipt', async function () {
+            const testGasLimit = 70000;
+            
+            try {
+                const tx = await revertTestContract.directStakingOutOfGas(validValidatorAddress, { gasLimit: testGasLimit });
+                await tx.wait();
+                expect.fail('Transaction should have failed with OutOfGas');
+            } catch (error) {
+                if (error.receipt) {
+                    const analysis = await analyzeFailedTransaction(error.receipt.hash);
+                    expect(analysis.status).to.equal(0);
+                    
+                    // OutOfGas specific checks
+                    const gasUsed = Number(analysis.gasUsed);
+                    const gasLimit = Number(analysis.gasLimit);
+                    const gasUtilization = gasUsed / gasLimit;
+                    
+                    console.log('Precompile OutOfGas analysis:', {
+                        ...analysis,
+                        gasUtilization: gasUtilization.toFixed(3),
+                        isOutOfGas: gasUtilization > 0.8
+                    });
+                    
+                    // Verify this is actually OutOfGas (high gas utilization)
+                    expect(gasUtilization).to.be.greaterThan(0.8, 'Gas utilization should be high for OutOfGas errors');
+                    expect(gasUsed).to.be.closeTo(gasLimit, gasLimit * 0.2); // Within 20% of gas limit
+                }
+            }
+        });
+    });
+
+    describe('Comprehensive Precompile Error Analysis', function () {
+        it('should properly decode various precompile error types from transaction receipts', async function () {
+            const testCases = [
+                {
+                    name: 'Staking Precompile Revert',
+                    call: () => revertTestContract.directStakingRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT }),
+                    expectedInReason: "invalid validator address"
+                },
+                {
+                    name: 'Distribution Precompile Revert',
+                    call: () => revertTestContract.directDistributionRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT }),
+                    expectedInReason: "validator does not exist"
+                }
+            ];
+
+            for (const testCase of testCases) {
+                try {
+                    await testCase.call();
+                    expect.fail(`${testCase.name} should have reverted`);
+                } catch (error) {
+                    if (error.receipt) {
+                        const analysis = await analyzeFailedTransaction(error.receipt.hash);
+                        expect(analysis.status).to.equal(0);
+                        if (testCase.expectedInReason) {
+                            expect(analysis.decodedReason).to.include(testCase.expectedInReason);
+                        }
+                    }
+                }
+            }
+        });
+
+        it('should verify precompile error data is properly hex-encoded in receipts', async function () {
+            try {
+                const tx = await revertTestContract.directStakingRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                if (error.receipt) {
+                    // Simulate the call to get error data
+                    try {
+                        const contractAddress = await revertTestContract.getAddress();
+                        await hre.ethers.provider.call({
+                            to: contractAddress,
+                            data: revertTestContract.interface.encodeFunctionData('directStakingRevert', [invalidValidatorAddress]),
+                            gasLimit: LARGE_GAS_LIMIT
+                        });
+                    } catch (callError) {
+                        expect(callError.data).to.match(/^0x/); // Should be hex-encoded
+                        console.log('Precompile error data (hex):', callError.data);
+                        
+                        const decoded = decodeRevertReason(callError.data);
+                        expect(decoded).to.include("invalid validator address");
+                        console.log('Decoded precompile reason:', decoded);
+                    }
+                }
+            }
+        });
+    });
+});
\ No newline at end of file
diff --git a/tests/solidity/suites/revert_cases/test/standard_revert_cases.js b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
new file mode 100644
index 000000000..1eb9a6e1b
--- /dev/null
+++ b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
@@ -0,0 +1,561 @@
+const { expect } = require('chai');
+const hre = require('hardhat');
+
+describe('Standard Revert Cases E2E Tests', function () {
+    let standardRevertTestContract, simpleWrapper, signer;
+    
+    // Gas limits for testing
+    const DEFAULT_GAS_LIMIT = 1000000;
+    const LARGE_GAS_LIMIT = 10000000;
+
+    before(async function () {
+        [signer] = await hre.ethers.getSigners();
+        
+        // Deploy StandardRevertTestContract
+        const StandardRevertTestContractFactory = await hre.ethers.getContractFactory('StandardRevertTestContract');
+        standardRevertTestContract = await StandardRevertTestContractFactory.deploy({
+            value: hre.ethers.parseEther('1.0'), // Fund with 1 ETH
+            gasLimit: LARGE_GAS_LIMIT
+        });
+        await standardRevertTestContract.waitForDeployment();
+        
+        // Deploy SimpleWrapper
+        const SimpleWrapperFactory = await hre.ethers.getContractFactory('SimpleWrapper');
+        simpleWrapper = await SimpleWrapperFactory.deploy({
+            value: hre.ethers.parseEther('1.0'), // Fund with 1 ETH
+            gasLimit: LARGE_GAS_LIMIT
+        });
+        await simpleWrapper.waitForDeployment();
+        
+        // Verify successful deployment
+        const contractAddress = await standardRevertTestContract.getAddress();
+        const wrapperAddress = await simpleWrapper.getAddress();
+        console.log('StandardRevertTestContract deployed at:', contractAddress);
+        console.log('SimpleWrapper deployed at:', wrapperAddress);
+    });
+
+    /**
+     * Helper function to check if an error is an out of gas error using transaction analysis
+     */
+    async function isOutOfGasError(error) {
+        if (!error.receipt) {
+            return false;
+        }
+
+        const analysis = await analyzeFailedTransaction(error.receipt.hash);
+        
+        // Check if the error message from the analysis contains "out of gas"
+        return analysis.errorMessage && analysis.errorMessage.toLowerCase().includes('out of gas');
+    }
+
+    /**
+     * Helper function to decode hex error data from transaction receipt
+     */
+    function decodeRevertReason(errorData) {
+        if (!errorData || errorData === '0x') {
+            return null; // No error data (common for OutOfGas)
+        }
+
+        try {
+            // Remove '0x' prefix
+            const cleanHex = errorData.startsWith('0x') ? errorData.slice(2) : errorData;
+            
+            // Check if it's a standard revert string (function selector: 08c379a0)
+            if (cleanHex.startsWith('08c379a0')) {
+                const reasonHex = cleanHex.slice(8); // Remove function selector
+                const reasonLength = parseInt(reasonHex.slice(0, 64), 16); // Get string length
+                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
+                return Buffer.from(reasonBytes, 'hex').toString('utf8');
+            }
+
+            // Check if it's a Panic error (function selector: 4e487b71)
+            if (cleanHex.startsWith('4e487b71')) {
+                const panicCode = parseInt(cleanHex.slice(8, 72), 16);
+                return `Panic(${panicCode})`;
+            }
+
+            // Return raw hex if not a standard format
+            return `Raw: ${errorData}`;
+        } catch (error) {
+            expect.fail(`Failed to decode revert reason: ${error.message}`);
+        }
+    }
+
+    /**
+     * Helper function to analyze transaction receipt for revert information
+     */
+    async function analyzeFailedTransaction(txHash) {
+        const receipt = await hre.ethers.provider.getTransactionReceipt(txHash);
+        const tx = await hre.ethers.provider.getTransaction(txHash);
+
+        expect(receipt.status).to.equal(0, 'Transaction should have failed');
+
+        // Try to get revert reason through call simulation
+        try {
+            await hre.ethers.provider.call({
+                to: tx.to,
+                data: tx.data,
+                from: tx.from,
+                value: tx.value,
+                gasLimit: tx.gasLimit,
+                gasPrice: tx.gasPrice
+            });
+        } catch (error) {
+            // For OutOfGas errors, error.data might be undefined
+            let decodedReason = null;
+            if (error.data) {
+                decodedReason = decodeRevertReason(error.data);
+                console.log(`  Revert Reason: ${decodedReason}`);
+            } else {
+                console.log('  Revert Reason: No error data available');
+            }
+
+            return {
+                status: receipt.status,
+                gasUsed: receipt.gasUsed,
+                gasLimit: tx.gasLimit,
+                errorData: error.data,
+                decodedReason: decodedReason,
+                errorMessage: error.message
+            };
+        }
+
+        return {
+            status: receipt.status,
+            gasUsed: receipt.gasUsed,
+            gasLimit: tx.gasLimit,
+            errorData: null,
+            decodedReason: null
+        };
+    }
+
+    describe('Standard Contract Call Reverts', function () {
+        it('should handle standard revert with custom message', async function () {
+            const customMessage = "Custom revert message";
+            
+            // Verify that the transaction reverts
+            let transactionReverted = false;
+            
+            try {
+                const tx = await standardRevertTestContract.standardRevert(customMessage, { gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+
+            // Verify we can capture the revert reason via static call
+            try {
+                await standardRevertTestContract.standardRevert.staticCall(customMessage);
+                expect.fail('Static call should have reverted');
+            } catch (staticError) {
+                expect(staticError.message).to.include(customMessage);
+                // Error message validated above
+            }
+        });
+
+        it('should handle require revert with proper error message', async function () {
+            const value = 100;
+            const threshold = 50;
+            
+            let transactionReverted = false;
+            
+            try {
+                const tx = await standardRevertTestContract.requireRevert(value, threshold, { gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+            
+            // Verify we can capture the revert reason via static call
+            try {
+                await standardRevertTestContract.requireRevert.staticCall(value, threshold);
+                expect.fail('Static call should have reverted');
+            } catch (staticError) {
+                expect(staticError.message).to.include("Value exceeds threshold");
+                // Error message validated above
+            }
+            
+            // Verify successful case (no revert when value < threshold)
+            const successTx = await standardRevertTestContract.requireRevert(25, 50, { gasLimit: DEFAULT_GAS_LIMIT });
+            const receipt = await successTx.wait();
+            expect(receipt.status).to.equal(1, 'Transaction should succeed when value < threshold');
+        });
+
+        it('should handle assert revert (Panic error)', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await standardRevertTestContract.assertRevert({ gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+            
+            // Verify we can capture the revert reason via static call
+            try {
+                await standardRevertTestContract.assertRevert.staticCall();
+                expect.fail('Static call should have reverted');
+            } catch (staticError) {
+                // Check for either "panic" or "assert(false)" as different nodes may return different messages
+                const hasExpectedError = staticError.message.includes("panic") || staticError.message.includes("assert(false)");
+                expect(hasExpectedError).to.be.true;
+                // Error message validated above
+            }
+        });
+
+        it('should handle division by zero (View Panic error)', async function () {
+            let transactionReverted = false;
+            
+            try {
+                await standardRevertTestContract.divisionByZero();
+                expect.fail('View call should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+                expect(error.message).to.include("division or modulo by zero");
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should handle division by zero (Transaction Panic error)', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await standardRevertTestContract.divisionByZeroTx({ gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+                expect(error.receipt).to.exist;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should handle array out of bounds (View Panic error)', async function () {
+            let transactionReverted = false;
+            
+            try {
+                await standardRevertTestContract.arrayOutOfBounds();
+                expect.fail('View call should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+                expect(error.message).to.include("out-of-bounds");
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should handle array out of bounds (Transaction Panic error)', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await standardRevertTestContract.arrayOutOfBoundsTx({ gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+                expect(error.receipt).to.exist;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should capture revert reason through eth_getTransactionReceipt', async function () {
+            try {
+                const tx = await standardRevertTestContract.standardRevert("Test message", { gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                // Must have receipt for failed transaction
+                expect(error.receipt).to.exist;
+                const analysis = await analyzeFailedTransaction(error.receipt.hash);
+                expect(analysis.status).to.equal(0);
+                expect(analysis.decodedReason).to.include("Test message");
+            }
+        });
+    });
+
+    describe('Complex Revert Scenarios', function () {
+        it('should handle multiple calls with revert', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await standardRevertTestContract.multipleCallsWithRevert({ gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should handle try-catch revert scenario', async function () {
+            let transactionReverted = false;
+            
+            try {
+                const tx = await standardRevertTestContract.tryCatchRevert(true, { gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+
+        it('should handle wrapper contract revert', async function () {
+            const contractAddress = await standardRevertTestContract.getAddress();
+            
+            let transactionReverted = false;
+            
+            try {
+                const tx = await simpleWrapper.wrappedStandardCall(contractAddress, "Wrapper test", { gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                transactionReverted = true;
+            }
+            
+            expect(transactionReverted).to.be.true;
+        });
+    });
+
+    describe('OutOfGas Error Cases', function () {
+        it('should handle standard contract OutOfGas', async function () {
+            // Use a very low gas limit to trigger OutOfGas
+            const lowGasLimit = 50000;
+
+            let transactionFailed = false;
+            let isOutOfGas = false;
+            
+            try {
+                const tx = await standardRevertTestContract.standardOutOfGas({ gasLimit: lowGasLimit });
+                await tx.wait();
+                expect.fail('Transaction should have failed with OutOfGas');
+            } catch (error) {
+                transactionFailed = true;
+                isOutOfGas = await isOutOfGasError(error);
+                
+                // Analyze the failed transaction
+                expect(error.receipt).to.exist;
+                const analysis = await analyzeFailedTransaction(error.receipt.hash);
+                expect(analysis.gasUsed.toString()).to.equal(lowGasLimit.toString());
+            }
+            
+            expect(transactionFailed).to.be.true;
+            expect(isOutOfGas).to.be.true;
+        });
+
+        it('should handle expensive computation OutOfGas', async function () {
+            const lowGasLimit = 100000;
+
+            let transactionFailed = false;
+            let isOutOfGas = false;
+            
+            try {
+                const tx = await standardRevertTestContract.expensiveComputation(10000, { gasLimit: lowGasLimit });
+                await tx.wait();
+                expect.fail('Transaction should have failed with OutOfGas');
+            } catch (error) {
+                transactionFailed = true;
+                isOutOfGas = await isOutOfGasError(error);
+            }
+            
+            expect(transactionFailed).to.be.true;
+            expect(isOutOfGas).to.be.true;
+        });
+
+        it('should handle expensive storage OutOfGas', async function () {
+            const lowGasLimit = 200000;
+            let transactionFailed = false;
+            let isOutOfGas = false;
+            
+            try {
+                const tx = await standardRevertTestContract.expensiveStorage(100, { gasLimit: lowGasLimit });
+                await tx.wait();
+                expect.fail('Transaction should have failed with OutOfGas');
+            } catch (error) {
+                transactionFailed = true;
+                isOutOfGas = await isOutOfGasError(error);
+            }
+            
+            expect(transactionFailed).to.be.true;
+            expect(isOutOfGas).to.be.true;
+        });
+
+        it('should handle wrapper OutOfGas', async function () {
+            const contractAddress = await standardRevertTestContract.getAddress();
+
+            let transactionFailed = false;
+            let isOutOfGas = false;
+            
+            try {
+                const tx = await simpleWrapper.wrappedOutOfGasCall(contractAddress, { gasLimit: 100000 });
+                await tx.wait();
+                expect.fail('Transaction should have failed with OutOfGas');
+            } catch (error) {
+                transactionFailed = true;
+                isOutOfGas = await isOutOfGasError(error);
+            }
+            
+            expect(transactionFailed).to.be.true;
+            expect(isOutOfGas).to.be.true;
+        });
+
+        it('should analyze OutOfGas error through transaction receipt', async function () {
+            const testGasLimit = 50000;
+            
+            let isOutOfGas = false;
+            let analysis = null;
+            
+            try {
+                const tx = await standardRevertTestContract.standardOutOfGas({ gasLimit: testGasLimit });
+                await tx.wait();
+                expect.fail('Transaction should have failed with OutOfGas');
+            } catch (error) {
+                isOutOfGas = await isOutOfGasError(error);
+                
+                // Must have receipt for failed transaction
+                expect(error.receipt).to.exist;
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
+                expect(analysis.status).to.equal(0);
+            }
+            
+            expect(isOutOfGas).to.be.true;
+            expect(analysis).to.not.be.null;
+        });
+    });
+
+    describe('Comprehensive Error Analysis', function () {
+        it('should properly decode various error types from transaction receipts', async function () {
+            // Transaction-based functions that create receipts
+            const transactionTestCases = [
+                {
+                    name: 'Standard Revert',
+                    call: async () => {
+                        const tx = await standardRevertTestContract.standardRevert("Standard error", { gasLimit: DEFAULT_GAS_LIMIT });
+                        await tx.wait();
+                    },
+                    expectedInReason: "Standard error"
+                },
+                {
+                    name: 'Require Revert',
+                    call: async () => {
+                        const tx = await standardRevertTestContract.requireRevert(100, 50, { gasLimit: DEFAULT_GAS_LIMIT });
+                        await tx.wait();
+                    },
+                    expectedInReason: "Value exceeds threshold"
+                },
+                {
+                    name: 'Assert Revert',
+                    call: async () => {
+                        const tx = await standardRevertTestContract.assertRevert({ gasLimit: DEFAULT_GAS_LIMIT });
+                        await tx.wait();
+                    },
+                    expectedInReason: "Panic(1)"
+                },
+                {
+                    name: 'Division by Zero (Transaction)',
+                    call: async () => {
+                        const tx = await standardRevertTestContract.divisionByZeroTx({ gasLimit: DEFAULT_GAS_LIMIT });
+                        await tx.wait();
+                    },
+                    expectedInReason: "Panic(18)"
+                },
+                {
+                    name: 'Array Out of Bounds (Transaction)',
+                    call: async () => {
+                        const tx = await standardRevertTestContract.arrayOutOfBoundsTx({ gasLimit: DEFAULT_GAS_LIMIT });
+                        await tx.wait();
+                    },
+                    expectedInReason: "Panic(50)"
+                }
+            ];
+
+            // View functions that don't create receipts but still revert
+            const viewTestCases = [
+                {
+                    name: 'Division by Zero (View)',
+                    call: async () => await standardRevertTestContract.divisionByZero(),
+                    expectedInError: "division or modulo by zero"
+                },
+                {
+                    name: 'Array Out of Bounds (View)',
+                    call: async () => await standardRevertTestContract.arrayOutOfBounds(),
+                    expectedInError: "out-of-bounds"
+                }
+            ];
+
+            // Test transaction-based functions
+            for (const testCase of transactionTestCases) {
+                try {
+                    await testCase.call();
+                    expect.fail(`${testCase.name} should have reverted`);
+                } catch (error) {
+                    // Must have receipt for all failed transactions
+                    expect(error.receipt).to.exist;
+                    const analysis = await analyzeFailedTransaction(error.receipt.hash);
+                    expect(analysis.status).to.equal(0);
+                    if (testCase.expectedInReason) {
+                        expect(analysis.decodedReason).to.include(testCase.expectedInReason);
+                    }
+                }
+            }
+            
+            // Test view functions (no receipts)
+            for (const testCase of viewTestCases) {
+                try {
+                    await testCase.call();
+                    expect.fail(`${testCase.name} should have reverted`);
+                } catch (error) {
+                    // View functions don't have receipts
+                    expect(error.receipt).to.be.undefined;
+                    // Check error message directly
+                    expect(error.message).to.include(testCase.expectedInError);
+                }
+            }
+        });
+
+        it('should verify error data is properly hex-encoded in receipts', async function () {
+            try {
+                const tx = await standardRevertTestContract.standardRevert("Hex encoding test", { gasLimit: DEFAULT_GAS_LIMIT });
+                await tx.wait();
+                expect.fail('Transaction should have reverted');
+            } catch (error) {
+                // Must have receipt for failed transaction
+                expect(error.receipt).to.exist;
+                
+                // Simulate the call to get error data
+                let errorCaught = false;
+                try {
+                    const contractAddress = await standardRevertTestContract.getAddress();
+                    await hre.ethers.provider.call({
+                        to: contractAddress,
+                        data: standardRevertTestContract.interface.encodeFunctionData('standardRevert', ['Hex encoding test']),
+                        gasLimit: DEFAULT_GAS_LIMIT
+                    });
+                    expect.fail('Call should have reverted');
+                } catch (callError) {
+                    errorCaught = true;
+                    expect(callError.data).to.exist;
+                    expect(callError.data).to.match(/^0x/, 'Error data must be hex-encoded');
+                    
+                    const decoded = decodeRevertReason(callError.data);
+                    expect(decoded).to.include("Hex encoding test");
+                }
+                expect(errorCaught).to.equal(true, 'Call must revert with error');
+            }
+        });
+    });
+});
\ No newline at end of file

From 3fde7169e025d3d1cc557da76b7394f2ead64419 Mon Sep 17 00:00:00 2001
From: zsystm <actor93kor@gmail.com>
Date: Fri, 25 Jul 2025 14:10:42 +0900
Subject: [PATCH 57/65] lint: unused variable

---
 .../solidity/suites/revert_cases/test/precompile_revert_cases.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
index 5f82e910c..bf3ed10e4 100644
--- a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
@@ -2,7 +2,6 @@ const { expect } = require('chai');
 const hre = require('hardhat');
 const {
     LARGE_GAS_LIMIT,
-    DEFAULT_GAS_LIMIT
 } = require('./common');
 
 describe('Precompile Revert Cases E2E Tests', function () {

From 6994845c5db02cb7d4708ac1734d2348f284f19d Mon Sep 17 00:00:00 2001
From: Kyuhyeon Choi <bluejet1104@gmail.com>
Date: Mon, 18 Aug 2025 16:18:50 +0900
Subject: [PATCH 58/65] chore(tests): set default evm chain id - 262144

---
 tests/solidity/suites/revert_cases/hardhat.config.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/solidity/suites/revert_cases/hardhat.config.js b/tests/solidity/suites/revert_cases/hardhat.config.js
index 82678da39..019d79017 100644
--- a/tests/solidity/suites/revert_cases/hardhat.config.js
+++ b/tests/solidity/suites/revert_cases/hardhat.config.js
@@ -16,7 +16,7 @@ module.exports = {
   networks: {
     cosmos: {
       url: "http://127.0.0.1:8545",
-      chainId: 4221,
+      chainId: 262144,
       accounts: [
         "0x88CBEAD91AEE890D27BF06E003ADE3D4E952427E88F88D31D61D3EF5E5D54305",
         "0x3B7955D25189C99A7468192FCBC6429205C158834053EBE3F78F4512AB432DB9",

From 7ffff035149830d6f0c6b07cc957b4910000fa3d Mon Sep 17 00:00:00 2001
From: Kyuhyeon Choi <bluejet1104@gmail.com>
Date: Wed, 20 Aug 2025 13:41:36 +0900
Subject: [PATCH 59/65] WIP: test: enhance revert test

---
 .../test/precompile_revert_cases.js           | 26 ++++++++++++++-----
 1 file changed, 19 insertions(+), 7 deletions(-)

diff --git a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
index bf3ed10e4..07afa26b5 100644
--- a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
@@ -105,19 +105,34 @@ describe('Precompile Revert Cases E2E Tests', function () {
         };
     }
 
+    /**
+     * Helper function to validation decoded revert reason
+     */
+    async function validateRevertReason(txHash, expectedRevertReason) {
+        const analysis = await analyzeFailedTransaction(txHash)
+
+        expect(analysis.status).to.equal(0); // Failed transaction
+        expect(analysis.errorData).to.not.be.null;
+        expect(analysis.decodedReason).to.be.equal(expectedRevertReason, "unexpected revert reason")
+    }
+
     describe('Direct Precompile Call Reverts', function () {
+        var txHash
+
+        beforeEach(function () {
+            txHash = null
+        })
+
         it('should handle direct staking precompile revert', async function () {
-            let transactionReverted = false;
-            
             try {
                 const tx = await revertTestContract.directStakingRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                txHash = error.receipt.hash
             }
             
-            expect(transactionReverted).to.be.true;
+            await validateRevertReason(txHash, "invalid validator address: decod")
         });
 
         it('should handle direct distribution precompile revert', async function () {
@@ -144,7 +159,6 @@ describe('Precompile Revert Cases E2E Tests', function () {
             } catch (error) {
                 callReverted = true;
             }
-            
             expect(callReverted).to.be.true;
         });
 
@@ -175,8 +189,6 @@ describe('Precompile Revert Cases E2E Tests', function () {
             } catch (error) {
                 transactionReverted = true;
             }
-            
-            expect(transactionReverted).to.be.true;
         });
 
         it('should handle multiple precompile calls with revert', async function () {

From 6e83303bc4b80903ff20f526e70f1d916857e97d Mon Sep 17 00:00:00 2001
From: Kyuhyeon Choi <bluejet1104@gmail.com>
Date: Wed, 20 Aug 2025 15:04:21 +0900
Subject: [PATCH 60/65] WIP: test: enhance revert test

---
 .../contracts/RevertTestContract.sol          |   8 +-
 .../suites/revert_cases/test/common.js        | 106 +++++++-
 .../test/precompile_revert_cases.js           | 230 ++++--------------
 3 files changed, 155 insertions(+), 189 deletions(-)

diff --git a/tests/solidity/suites/revert_cases/contracts/RevertTestContract.sol b/tests/solidity/suites/revert_cases/contracts/RevertTestContract.sol
index b9064eae9..d20f80c3e 100644
--- a/tests/solidity/suites/revert_cases/contracts/RevertTestContract.sol
+++ b/tests/solidity/suites/revert_cases/contracts/RevertTestContract.sol
@@ -39,16 +39,14 @@ contract RevertTestContract {
         counter++;
         emit PrecompileCallMade("distribution", false);
         // This should revert with invalid validator address
-        STAKING_CONTRACT.delegate(address(this), invalidValidator, 1);
         DISTRIBUTION_CONTRACT.withdrawDelegatorRewards(address(this), invalidValidator);
     }
     
     /**
      * @dev Direct bank precompile call that will revert
      */
-    function directBankRevert() external view {
-        // This should revert with invalid denom
-        IBANK_CONTRACT.balances(address(this));
+    function directBankRevert() external pure {
+        revert("intended revert");
     }
     
     // ============ PRECOMPILE CALL VIA CONTRACT REVERTS ============
@@ -84,7 +82,7 @@ contract RevertTestContract {
         counter++;
         
         // First, make a successful call
-        try IBANK_CONTRACT.balances(address(this)) returns (Balance[] memory balances) {
+        try IBANK_CONTRACT.balances(address(this)) returns (Balance[] memory) {
             emit PrecompileCallMade("bank", true);
         } catch {
             emit PrecompileCallMade("bank", false);
diff --git a/tests/solidity/suites/revert_cases/test/common.js b/tests/solidity/suites/revert_cases/test/common.js
index ec19b236f..b91ba4e9f 100644
--- a/tests/solidity/suites/revert_cases/test/common.js
+++ b/tests/solidity/suites/revert_cases/test/common.js
@@ -1,4 +1,5 @@
 // Common constants and helper utilities for precompile tests
+const { expect } = require('chai');
 
 const STAKING_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000800'
 const BECH32_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000400'
@@ -45,6 +46,105 @@ function findEvent (logs, iface, eventName) {
     return null
 }
 
+/**
+ * Helper function to decode hex error data from transaction receipt
+ */
+function decodeRevertReason(errorData) {
+    if (!errorData || errorData === '0x') {
+        return null;
+    }
+    
+    try {
+        // Remove '0x' prefix
+        const cleanHex = errorData.startsWith('0x') ? errorData.slice(2) : errorData;
+        
+        // Check if it's a standard revert string (function selector: 08c379a0)
+        if (cleanHex.startsWith('08c379a0')) {
+            const reasonHex = cleanHex.slice(8); // Remove function selector
+            const offsetHex = reasonHex.slice(0, 64); // Get offset (should be 0x20 = 32)
+            const offset = parseInt(offsetHex, 16);
+            
+            if (offset === 32) { // Standard ABI encoding has offset of 32
+                const reasonLength = parseInt(reasonHex.slice(64, 128), 16); // Get string length from next 32 bytes
+                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
+                return Buffer.from(reasonBytes, 'hex').toString('utf8');
+            } else {
+                // Fallback for non-standard encoding
+                const reasonLength = parseInt(reasonHex.slice(0, 64), 16); // Get string length
+                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
+                return Buffer.from(reasonBytes, 'hex').toString('utf8');
+            }
+        }
+        
+        // Check if it's a Panic error (function selector: 4e487b71)
+        if (cleanHex.startsWith('4e487b71')) {
+            const panicCode = parseInt(cleanHex.slice(8, 72), 16);
+            return `Panic(${panicCode})`;
+        }
+        
+        // Return raw hex if not a standard format
+        return `Raw: ${errorData}`;
+    } catch (error) {
+        return `Decode error: ${error.message}`;
+    }
+}
+
+/**
+ * Helper function to analyze transaction receipt for revert information
+ */
+async function analyzeFailedTransaction(txHash) {
+    const receipt = await hre.ethers.provider.getTransactionReceipt(txHash);
+    const tx = await hre.ethers.provider.getTransaction(txHash);
+    
+    // Try to get revert reason through call simulation
+    try {
+        await hre.ethers.provider.call({
+            to: tx.to,
+            data: tx.data,
+            from: tx.from,
+            value: tx.value,
+            gasLimit: tx.gasLimit,
+            gasPrice: tx.gasPrice
+        });
+    } catch (error) {
+        console.log(`  Revert Reason: ${decodeRevertReason(error.data)}`);
+        return {
+            status: receipt.status,
+            gasUsed: receipt.gasUsed,
+            gasLimit: tx.gasLimit,
+            errorData: error.data,
+            decodedReason: decodeRevertReason(error.data)
+        };
+    }
+    
+    return {
+        status: receipt.status,
+        gasUsed: receipt.gasUsed,
+        gasLimit: tx.gasLimit,
+        errorData: null,
+        decodedReason: null
+    };
+}
+
+/**
+ * Helper function to verify decoded revert reason
+ */
+function verifyTransactionRevert(analysis, expectedRevertReason) {
+    expect(analysis).to.not.be.null
+    expect(analysis.status).to.equal(0); // Failed transaction
+    expect(analysis.errorData).to.not.be.null;
+    expect(analysis.decodedReason).contains(expectedRevertReason, "unexpected revert reason")
+}
+
+/**
+ * Helper function to verify out of gas error
+ */
+function verifyOutOfGasError(analysis) {
+    expect(analysis).to.not.be.null
+    expect(analysis.status).to.equal(0); // Failed transaction
+    expect(analysis.gasUsed).to.be.equal(analysis.gasLimit)
+}
+
 module.exports = {
     STAKING_PRECOMPILE_ADDRESS,
     BECH32_PRECOMPILE_ADDRESS,
@@ -57,5 +157,9 @@ module.exports = {
     DEFAULT_GAS_LIMIT,
     LARGE_GAS_LIMIT,
     parseValidator,
-    findEvent
+    findEvent,
+    decodeRevertReason,
+    analyzeFailedTransaction,
+    verifyTransactionRevert,
+    verifyOutOfGasError
 }
\ No newline at end of file
diff --git a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
index 07afa26b5..def25a200 100644
--- a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
@@ -2,11 +2,16 @@ const { expect } = require('chai');
 const hre = require('hardhat');
 const {
     LARGE_GAS_LIMIT,
+    decodeRevertReason,
+    analyzeFailedTransaction,
+    verifyTransactionRevert,
+    verifyOutOfGasError
 } = require('./common');
 
 describe('Precompile Revert Cases E2E Tests', function () {
     let revertTestContract, precompileWrapper, signer;
     let validValidatorAddress, invalidValidatorAddress;
+    let analysis;
 
     before(async function () {
         [signer] = await hre.ethers.getSigners();
@@ -29,137 +34,53 @@ describe('Precompile Revert Cases E2E Tests', function () {
         
         // Use a known validator for valid cases and invalid one for error cases
         validValidatorAddress = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pw4xyrql';
-        invalidValidatorAddress = 'invalid_validator_address';
+        invalidValidatorAddress = 'cosmosvaloper10jmp6sgh4cc6zt3e8gw05wavvejgr5pinvalid';
         
         console.log('RevertTestContract deployed at:', await revertTestContract.getAddress());
         console.log('PrecompileWrapper deployed at:', await precompileWrapper.getAddress());
-    });
-
-    /**
-     * Helper function to decode hex error data from transaction receipt
-     */
-    function decodeRevertReason(errorData) {
-        if (!errorData || errorData === '0x') {
-            return null;
-        }
-        
-        try {
-            // Remove '0x' prefix
-            const cleanHex = errorData.startsWith('0x') ? errorData.slice(2) : errorData;
-            
-            // Check if it's a standard revert string (function selector: 08c379a0)
-            if (cleanHex.startsWith('08c379a0')) {
-                const reasonHex = cleanHex.slice(8); // Remove function selector
-                const reasonLength = parseInt(reasonHex.slice(0, 64), 16); // Get string length
-                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
-                return Buffer.from(reasonBytes, 'hex').toString('utf8');
-            }
-            
-            // Check if it's a Panic error (function selector: 4e487b71)
-            if (cleanHex.startsWith('4e487b71')) {
-                const panicCode = parseInt(cleanHex.slice(8, 72), 16);
-                return `Panic(${panicCode})`;
-            }
-            
-            // Return raw hex if not a standard format
-            return `Raw: ${errorData}`;
-        } catch (error) {
-            return `Decode error: ${error.message}`;
-        }
-    }
-
-    /**
-     * Helper function to analyze transaction receipt for revert information
-     */
-    async function analyzeFailedTransaction(txHash) {
-        const receipt = await hre.ethers.provider.getTransactionReceipt(txHash);
-        const tx = await hre.ethers.provider.getTransaction(txHash);
-        
-       // Try to get revert reason through call simulation
-        try {
-            await hre.ethers.provider.call({
-                to: tx.to,
-                data: tx.data,
-                from: tx.from,
-                value: tx.value,
-                gasLimit: tx.gasLimit,
-                gasPrice: tx.gasPrice
-            });
-        } catch (error) {
-            console.log(`  Revert Reason: ${decodeRevertReason(error.data)}`);
-            return {
-                status: receipt.status,
-                gasUsed: receipt.gasUsed,
-                gasLimit: tx.gasLimit,
-                errorData: error.data,
-                decodedReason: decodeRevertReason(error.data)
-            };
-        }
-        
-        return {
-            status: receipt.status,
-            gasUsed: receipt.gasUsed,
-            gasLimit: tx.gasLimit,
-            errorData: null,
-            decodedReason: null
-        };
-    }
-
-    /**
-     * Helper function to validation decoded revert reason
-     */
-    async function validateRevertReason(txHash, expectedRevertReason) {
-        const analysis = await analyzeFailedTransaction(txHash)
 
-        expect(analysis.status).to.equal(0); // Failed transaction
-        expect(analysis.errorData).to.not.be.null;
-        expect(analysis.decodedReason).to.be.equal(expectedRevertReason, "unexpected revert reason")
-    }
+        analysis = null
+    });
 
     describe('Direct Precompile Call Reverts', function () {
-        var txHash
-
-        beforeEach(function () {
-            txHash = null
-        })
-
         it('should handle direct staking precompile revert', async function () {
             try {
                 const tx = await revertTestContract.directStakingRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                txHash = error.receipt.hash
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
-            await validateRevertReason(txHash, "invalid validator address: decod")
+
+            verifyTransactionRevert(analysis, "invalid validator address")
         });
 
-        it('should handle direct distribution precompile revert', async function () {
-            let transactionReverted = false;
-            
+        it('should handle direct distribution precompile revert', async function () {            
             try {
                 const tx = await revertTestContract.directDistributionRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
             
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, "invalid validator address")
         });
 
         it('should handle direct bank precompile revert', async function () {
             // directBankRevert is a view function, so it should revert immediately
             let callReverted = false;
+            var decodedReason
             
             try {
                 await revertTestContract.directBankRevert();
                 expect.fail('Call should have reverted');
             } catch (error) {
                 callReverted = true;
+                decodedReason = decodeRevertReason(error.data)
             }
             expect(callReverted).to.be.true;
+            expect(decodedReason).contains("intended revert")
         });
 
         it('should capture precompile revert reason through transaction receipt', async function () {
@@ -168,55 +89,48 @@ describe('Precompile Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                if (error.receipt) {
-                    const analysis = await analyzeFailedTransaction(error.receipt.hash);
-                    expect(analysis.status).to.equal(0); // Failed transaction
-                    expect(analysis.errorData).to.not.be.null;
-                    console.log('Precompile revert analysis:', analysis);
-                }
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
+
+            verifyTransactionRevert(analysis, "invalid validator address")
         });
     });
 
     describe('Precompile Call Via Contract Reverts', function () {
-        it('should handle precompile call via contract revert', async function () {
-            let transactionReverted = false;
-            
+        it('should handle precompile call via contract revert', async function () {            
             try {
                 const tx = await revertTestContract.precompileViaContractRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
+
+            verifyTransactionRevert(analysis, "invalid validator address")
         });
 
-        it('should handle multiple precompile calls with revert', async function () {
-            let transactionReverted = false;
-            
+        it('should handle multiple precompile calls with revert', async function () {            
             try {
                 const tx = await revertTestContract.multiplePrecompileCallsWithRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
             
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, "invalid validator address")
         });
 
         it('should handle wrapper contract precompile revert', async function () {
-            let transactionReverted = false;
-            
             try {
                 const tx = await precompileWrapper.wrappedStakingCall(invalidValidatorAddress, 1, { gasLimit: LARGE_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
             
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, "invalid validator address")
         });
 
         it('should capture wrapper revert reason via transaction receipt', async function () {
@@ -225,12 +139,10 @@ describe('Precompile Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                if (error.receipt) {
-                    const analysis = await analyzeFailedTransaction(error.receipt.hash);
-                    expect(analysis.status).to.equal(0);
-                    expect(analysis.decodedReason).to.include("invalid validator address");
-                }
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
+
+            verifyTransactionRevert(analysis, "invalid validator address")
         });
     });
 
@@ -238,68 +150,40 @@ describe('Precompile Revert Cases E2E Tests', function () {
         it('should handle direct precompile OutOfGas', async function () {
             // Use a very low gas limit to trigger OutOfGas on precompile calls
             const lowGasLimit = 80000;
-            let transactionFailed = false;
-            let gasAnalysis = null;
             
             try {
                 const tx = await revertTestContract.directStakingOutOfGas(validValidatorAddress, { gasLimit: lowGasLimit });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
-                transactionFailed = true;
-                
-                // Analyze the transaction to verify it's specifically OutOfGas
-                if (error.receipt) {
-                    const gasUsed = Number(error.receipt.gasUsed);
-                    const gasLimit = lowGasLimit;
-                    const gasUtilization = gasUsed / gasLimit;
-                    
-                    gasAnalysis = {
-                        gasUsed,
-                        gasLimit,
-                        gasUtilization,
-                        isOutOfGas: gasUtilization > 0.9 // Used more than 90% of gas
-                    };
-                    
-                    console.log('Precompile OutOfGas Analysis:', gasAnalysis);
-                }
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
             
-            expect(transactionFailed).to.be.true;
-            
-            // Verify this is specifically an OutOfGas error
-            if (gasAnalysis) {
-                expect(gasAnalysis.isOutOfGas).to.be.true;
-                expect(gasAnalysis.gasUtilization).to.be.greaterThan(0.8); // Should use most of the gas
-            }
+            verifyOutOfGasError(analysis)
         });
 
-        it('should handle precompile via contract OutOfGas', async function () {
-            let transactionFailed = false;
-            
+        it('should handle precompile via contract OutOfGas', async function () {            
             try {
                 const tx = await revertTestContract.precompileViaContractOutOfGas(validValidatorAddress, { gasLimit: 100000 });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
-                transactionFailed = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
             
-            expect(transactionFailed).to.be.true;
+            verifyOutOfGasError(analysis)
         });
 
         it('should handle wrapper precompile OutOfGas', async function () {
-            let transactionFailed = false;
-            
             try {
                 const tx = await precompileWrapper.wrappedOutOfGasCall(validValidatorAddress, { gasLimit: 100000 });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
-                transactionFailed = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
             
-            expect(transactionFailed).to.be.true;
+            verifyOutOfGasError(analysis)
         });
 
         it('should analyze precompile OutOfGas error through transaction receipt', async function () {
@@ -310,26 +194,10 @@ describe('Precompile Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
-                if (error.receipt) {
-                    const analysis = await analyzeFailedTransaction(error.receipt.hash);
-                    expect(analysis.status).to.equal(0);
-                    
-                    // OutOfGas specific checks
-                    const gasUsed = Number(analysis.gasUsed);
-                    const gasLimit = Number(analysis.gasLimit);
-                    const gasUtilization = gasUsed / gasLimit;
-                    
-                    console.log('Precompile OutOfGas analysis:', {
-                        ...analysis,
-                        gasUtilization: gasUtilization.toFixed(3),
-                        isOutOfGas: gasUtilization > 0.8
-                    });
-                    
-                    // Verify this is actually OutOfGas (high gas utilization)
-                    expect(gasUtilization).to.be.greaterThan(0.8, 'Gas utilization should be high for OutOfGas errors');
-                    expect(gasUsed).to.be.closeTo(gasLimit, gasLimit * 0.2); // Within 20% of gas limit
-                }
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
+
+            verifyOutOfGasError(analysis)
         });
     });
 
@@ -344,23 +212,19 @@ describe('Precompile Revert Cases E2E Tests', function () {
                 {
                     name: 'Distribution Precompile Revert',
                     call: () => revertTestContract.directDistributionRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT }),
-                    expectedInReason: "validator does not exist"
+                    expectedInReason: "invalid validator address"
                 }
             ];
 
             for (const testCase of testCases) {
                 try {
-                    await testCase.call();
+                    const tx = await testCase.call();
+                    await tx.wait()
                     expect.fail(`${testCase.name} should have reverted`);
                 } catch (error) {
-                    if (error.receipt) {
-                        const analysis = await analyzeFailedTransaction(error.receipt.hash);
-                        expect(analysis.status).to.equal(0);
-                        if (testCase.expectedInReason) {
-                            expect(analysis.decodedReason).to.include(testCase.expectedInReason);
-                        }
-                    }
+                    analysis = await analyzeFailedTransaction(error.receipt.hash);
                 }
+                verifyTransactionRevert(analysis, testCase.expectedInReason)
             }
         });
 

From 1752b4a7e7960a6939371707500889f0d2348303 Mon Sep 17 00:00:00 2001
From: Kyuhyeon Choi <bluejet1104@gmail.com>
Date: Wed, 20 Aug 2025 18:42:00 +0900
Subject: [PATCH 61/65] WIP: test: enhance revert test

---
 .../contracts/StandardRevertTestContract.sol  |   4 +-
 .../suites/revert_cases/test/common.js        | 150 +---------
 .../test/precompile_revert_cases.js           |  14 +-
 .../test/standard_revert_cases.js             | 269 ++++--------------
 .../suites/revert_cases/test/test_helper.js   | 144 ++++++++++
 5 files changed, 220 insertions(+), 361 deletions(-)
 create mode 100644 tests/solidity/suites/revert_cases/test/test_helper.js

diff --git a/tests/solidity/suites/revert_cases/contracts/StandardRevertTestContract.sol b/tests/solidity/suites/revert_cases/contracts/StandardRevertTestContract.sol
index 73656c541..5ee137ecd 100644
--- a/tests/solidity/suites/revert_cases/contracts/StandardRevertTestContract.sol
+++ b/tests/solidity/suites/revert_cases/contracts/StandardRevertTestContract.sol
@@ -47,7 +47,7 @@ contract StandardRevertTestContract {
     /**
      * @dev Division by zero (should generate Panic error)
      */
-    function divisionByZero() external view returns (uint256) {
+    function divisionByZero() external pure returns (uint256) {
         uint256 zero = 0;
         return 1 / zero;
     }
@@ -55,7 +55,7 @@ contract StandardRevertTestContract {
     /**
      * @dev Array out of bounds (should generate Panic error)
      */
-    function arrayOutOfBounds() external view returns (uint256) {
+    function arrayOutOfBounds() external pure returns (uint256) {
         uint256[] memory arr = new uint256[](2);
         return arr[5]; // This will cause an out of bounds error
     }
diff --git a/tests/solidity/suites/revert_cases/test/common.js b/tests/solidity/suites/revert_cases/test/common.js
index b91ba4e9f..5291c324f 100644
--- a/tests/solidity/suites/revert_cases/test/common.js
+++ b/tests/solidity/suites/revert_cases/test/common.js
@@ -1,5 +1,4 @@
 // Common constants and helper utilities for precompile tests
-const { expect } = require('chai');
 
 const STAKING_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000800'
 const BECH32_PRECOMPILE_ADDRESS = '0x0000000000000000000000000000000000000400'
@@ -13,139 +12,14 @@ const WERC20_ADDRESS = '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE'
 // Default gas limits used across tests
 const DEFAULT_GAS_LIMIT = 1_000_000
 const LARGE_GAS_LIMIT = 10_000_000
+const LOW_GAS_LIMIT=50_000
 
-// Helper to convert the raw tuple returned by staking.validator() into an object
-function parseValidator (raw) {
-    return {
-        operatorAddress: raw[0],
-        consensusPubkey: raw[1],
-        jailed: raw[2],
-        status: raw[3],
-        tokens: raw[4],
-        delegatorShares: raw[5],
-        description: raw[6],
-        unbondingHeight: raw[7],
-        unbondingTime: raw[8],
-        commission: raw[9],
-        minSelfDelegation: raw[10]
-    }
-}
-
-// Utility to parse logs and return the first matching event by name
-function findEvent (logs, iface, eventName) {
-    for (const log of logs) {
-        try {
-            const parsed = iface.parseLog(log)
-            if (parsed && parsed.name === eventName) {
-                return parsed
-            }
-        } catch {
-            // ignore logs that do not match the contract interface
-        }
-    }
-    return null
-}
-
-/**
- * Helper function to decode hex error data from transaction receipt
- */
-function decodeRevertReason(errorData) {
-    if (!errorData || errorData === '0x') {
-        return null;
-    }
-    
-    try {
-        // Remove '0x' prefix
-        const cleanHex = errorData.startsWith('0x') ? errorData.slice(2) : errorData;
-        
-        // Check if it's a standard revert string (function selector: 08c379a0)
-        if (cleanHex.startsWith('08c379a0')) {
-            const reasonHex = cleanHex.slice(8); // Remove function selector
-            const offsetHex = reasonHex.slice(0, 64); // Get offset (should be 0x20 = 32)
-            const offset = parseInt(offsetHex, 16);
-            
-            if (offset === 32) { // Standard ABI encoding has offset of 32
-                const reasonLength = parseInt(reasonHex.slice(64, 128), 16); // Get string length from next 32 bytes
-                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
-                return Buffer.from(reasonBytes, 'hex').toString('utf8');
-            } else {
-                // Fallback for non-standard encoding
-                const reasonLength = parseInt(reasonHex.slice(0, 64), 16); // Get string length
-                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
-                return Buffer.from(reasonBytes, 'hex').toString('utf8');
-            }
-        }
-        
-        // Check if it's a Panic error (function selector: 4e487b71)
-        if (cleanHex.startsWith('4e487b71')) {
-            const panicCode = parseInt(cleanHex.slice(8, 72), 16);
-            return `Panic(${panicCode})`;
-        }
-        
-        // Return raw hex if not a standard format
-        return `Raw: ${errorData}`;
-    } catch (error) {
-        return `Decode error: ${error.message}`;
-    }
-}
-
-/**
- * Helper function to analyze transaction receipt for revert information
- */
-async function analyzeFailedTransaction(txHash) {
-    const receipt = await hre.ethers.provider.getTransactionReceipt(txHash);
-    const tx = await hre.ethers.provider.getTransaction(txHash);
-    
-    // Try to get revert reason through call simulation
-    try {
-        await hre.ethers.provider.call({
-            to: tx.to,
-            data: tx.data,
-            from: tx.from,
-            value: tx.value,
-            gasLimit: tx.gasLimit,
-            gasPrice: tx.gasPrice
-        });
-    } catch (error) {
-        console.log(`  Revert Reason: ${decodeRevertReason(error.data)}`);
-        return {
-            status: receipt.status,
-            gasUsed: receipt.gasUsed,
-            gasLimit: tx.gasLimit,
-            errorData: error.data,
-            decodedReason: decodeRevertReason(error.data)
-        };
-    }
-    
-    return {
-        status: receipt.status,
-        gasUsed: receipt.gasUsed,
-        gasLimit: tx.gasLimit,
-        errorData: null,
-        decodedReason: null
-    };
-}
-
-/**
- * Helper function to verify decoded revert reason
- */
-function verifyTransactionRevert(analysis, expectedRevertReason) {
-    expect(analysis).to.not.be.null
-    expect(analysis.status).to.equal(0); // Failed transaction
-    expect(analysis.errorData).to.not.be.null;
-    expect(analysis.decodedReason).contains(expectedRevertReason, "unexpected revert reason")
-}
-
-/**
- * Helper function to verify out of gas error
- */
-function verifyOutOfGasError(analysis) {
-    expect(analysis).to.not.be.null
-    expect(analysis.status).to.equal(0); // Failed transaction
-    expect(analysis.gasUsed).to.be.equal(analysis.gasLimit)
-}
+const PANIC_ASSERT_0x01 = "Panic(1)"
+const PANIC_DIVISION_BY_ZERO_0x12 = "Panic(18)"
+const PANIC_ARRAY_OUT_OF_BOUND_0x32 = "Panic(50)"
 
 module.exports = {
+    // Precompile Addresses
     STAKING_PRECOMPILE_ADDRESS,
     BECH32_PRECOMPILE_ADDRESS,
     DISTRIBUTION_PRECOMPILE_ADDRESS,
@@ -154,12 +28,14 @@ module.exports = {
     SLASHING_PRECOMPILE_ADDRESS,
     P256_PRECOMPILE_ADDRESS,
     WERC20_ADDRESS,
+    
+    // Gas limits
     DEFAULT_GAS_LIMIT,
     LARGE_GAS_LIMIT,
-    parseValidator,
-    findEvent,
-    decodeRevertReason,
-    analyzeFailedTransaction,
-    verifyTransactionRevert,
-    verifyOutOfGasError
+    LOW_GAS_LIMIT,
+    
+    // Panics
+    PANIC_ASSERT_0x01,
+    PANIC_DIVISION_BY_ZERO_0x12,
+    PANIC_ARRAY_OUT_OF_BOUND_0x32
 }
\ No newline at end of file
diff --git a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
index def25a200..6051ef26b 100644
--- a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
@@ -1,12 +1,12 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
+const { LARGE_GAS_LIMIT } = require('./common');
 const {
-    LARGE_GAS_LIMIT,
     decodeRevertReason,
     analyzeFailedTransaction,
     verifyTransactionRevert,
     verifyOutOfGasError
-} = require('./common');
+} = require('./test_helper')
 
 describe('Precompile Revert Cases E2E Tests', function () {
     let revertTestContract, precompileWrapper, signer;
@@ -69,17 +69,13 @@ describe('Precompile Revert Cases E2E Tests', function () {
 
         it('should handle direct bank precompile revert', async function () {
             // directBankRevert is a view function, so it should revert immediately
-            let callReverted = false;
             var decodedReason
-            
             try {
                 await revertTestContract.directBankRevert();
                 expect.fail('Call should have reverted');
             } catch (error) {
-                callReverted = true;
                 decodedReason = decodeRevertReason(error.data)
             }
-            expect(callReverted).to.be.true;
             expect(decodedReason).contains("intended revert")
         });
 
@@ -207,12 +203,12 @@ describe('Precompile Revert Cases E2E Tests', function () {
                 {
                     name: 'Staking Precompile Revert',
                     call: () => revertTestContract.directStakingRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT }),
-                    expectedInReason: "invalid validator address"
+                    expectedReason: "invalid validator address"
                 },
                 {
                     name: 'Distribution Precompile Revert',
                     call: () => revertTestContract.directDistributionRevert(invalidValidatorAddress, { gasLimit: LARGE_GAS_LIMIT }),
-                    expectedInReason: "invalid validator address"
+                    expectedReason: "invalid validator address"
                 }
             ];
 
@@ -224,7 +220,7 @@ describe('Precompile Revert Cases E2E Tests', function () {
                 } catch (error) {
                     analysis = await analyzeFailedTransaction(error.receipt.hash);
                 }
-                verifyTransactionRevert(analysis, testCase.expectedInReason)
+                verifyTransactionRevert(analysis, testCase.expectedReason)
             }
         });
 
diff --git a/tests/solidity/suites/revert_cases/test/standard_revert_cases.js b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
index 1eb9a6e1b..8c5eb3a94 100644
--- a/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
@@ -1,12 +1,24 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
+const {
+    DEFAULT_GAS_LIMIT,
+    LARGE_GAS_LIMIT,
+    LOW_GAS_LIMIT,
+    PANIC_ASSERT_0x01,
+    PANIC_DIVISION_BY_ZERO_0x12,
+    PANIC_ARRAY_OUT_OF_BOUND_0x32
+} = require('./common');
+const {
+    decodeRevertReason,
+    analyzeFailedTransaction,
+    verifyTransactionRevert,
+    verifyOutOfGasError
+} = require('./test_helper')
+
 
 describe('Standard Revert Cases E2E Tests', function () {
     let standardRevertTestContract, simpleWrapper, signer;
-    
-    // Gas limits for testing
-    const DEFAULT_GAS_LIMIT = 1000000;
-    const LARGE_GAS_LIMIT = 10000000;
+    let analysis;
 
     before(async function () {
         [signer] = await hre.ethers.getSigners();
@@ -32,102 +44,9 @@ describe('Standard Revert Cases E2E Tests', function () {
         const wrapperAddress = await simpleWrapper.getAddress();
         console.log('StandardRevertTestContract deployed at:', contractAddress);
         console.log('SimpleWrapper deployed at:', wrapperAddress);
-    });
-
-    /**
-     * Helper function to check if an error is an out of gas error using transaction analysis
-     */
-    async function isOutOfGasError(error) {
-        if (!error.receipt) {
-            return false;
-        }
-
-        const analysis = await analyzeFailedTransaction(error.receipt.hash);
-        
-        // Check if the error message from the analysis contains "out of gas"
-        return analysis.errorMessage && analysis.errorMessage.toLowerCase().includes('out of gas');
-    }
-
-    /**
-     * Helper function to decode hex error data from transaction receipt
-     */
-    function decodeRevertReason(errorData) {
-        if (!errorData || errorData === '0x') {
-            return null; // No error data (common for OutOfGas)
-        }
-
-        try {
-            // Remove '0x' prefix
-            const cleanHex = errorData.startsWith('0x') ? errorData.slice(2) : errorData;
-            
-            // Check if it's a standard revert string (function selector: 08c379a0)
-            if (cleanHex.startsWith('08c379a0')) {
-                const reasonHex = cleanHex.slice(8); // Remove function selector
-                const reasonLength = parseInt(reasonHex.slice(0, 64), 16); // Get string length
-                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
-                return Buffer.from(reasonBytes, 'hex').toString('utf8');
-            }
 
-            // Check if it's a Panic error (function selector: 4e487b71)
-            if (cleanHex.startsWith('4e487b71')) {
-                const panicCode = parseInt(cleanHex.slice(8, 72), 16);
-                return `Panic(${panicCode})`;
-            }
-
-            // Return raw hex if not a standard format
-            return `Raw: ${errorData}`;
-        } catch (error) {
-            expect.fail(`Failed to decode revert reason: ${error.message}`);
-        }
-    }
-
-    /**
-     * Helper function to analyze transaction receipt for revert information
-     */
-    async function analyzeFailedTransaction(txHash) {
-        const receipt = await hre.ethers.provider.getTransactionReceipt(txHash);
-        const tx = await hre.ethers.provider.getTransaction(txHash);
-
-        expect(receipt.status).to.equal(0, 'Transaction should have failed');
-
-        // Try to get revert reason through call simulation
-        try {
-            await hre.ethers.provider.call({
-                to: tx.to,
-                data: tx.data,
-                from: tx.from,
-                value: tx.value,
-                gasLimit: tx.gasLimit,
-                gasPrice: tx.gasPrice
-            });
-        } catch (error) {
-            // For OutOfGas errors, error.data might be undefined
-            let decodedReason = null;
-            if (error.data) {
-                decodedReason = decodeRevertReason(error.data);
-                console.log(`  Revert Reason: ${decodedReason}`);
-            } else {
-                console.log('  Revert Reason: No error data available');
-            }
-
-            return {
-                status: receipt.status,
-                gasUsed: receipt.gasUsed,
-                gasLimit: tx.gasLimit,
-                errorData: error.data,
-                decodedReason: decodedReason,
-                errorMessage: error.message
-            };
-        }
-
-        return {
-            status: receipt.status,
-            gasUsed: receipt.gasUsed,
-            gasLimit: tx.gasLimit,
-            errorData: null,
-            decodedReason: null
-        };
-    }
+        analysis = null;
+    });
 
     describe('Standard Contract Call Reverts', function () {
         it('should handle standard revert with custom message', async function () {
@@ -241,33 +160,25 @@ describe('Standard Revert Cases E2E Tests', function () {
             expect(transactionReverted).to.be.true;
         });
 
-        it('should handle array out of bounds (View Panic error)', async function () {
-            let transactionReverted = false;
-            
+        it('should handle array out of bounds (View Panic error)', async function () {            
             try {
                 await standardRevertTestContract.arrayOutOfBounds();
                 expect.fail('View call should have reverted');
             } catch (error) {
-                transactionReverted = true;
-                expect(error.message).to.include("out-of-bounds");
+                decodedReason = decodeRevertReason(error.data)
             }
-            
-            expect(transactionReverted).to.be.true;
+            expect(decodedReason).contains(PANIC_ARRAY_OUT_OF_BOUND_0x32)
         });
 
         it('should handle array out of bounds (Transaction Panic error)', async function () {
-            let transactionReverted = false;
-            
             try {
                 const tx = await standardRevertTestContract.arrayOutOfBoundsTx({ gasLimit: DEFAULT_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
-                expect(error.receipt).to.exist;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, PANIC_ARRAY_OUT_OF_BOUND_0x32)
         });
 
         it('should capture revert reason through eth_getTransactionReceipt', async function () {
@@ -276,164 +187,103 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                // Must have receipt for failed transaction
-                expect(error.receipt).to.exist;
-                const analysis = await analyzeFailedTransaction(error.receipt.hash);
-                expect(analysis.status).to.equal(0);
-                expect(analysis.decodedReason).to.include("Test message");
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
+            verifyTransactionRevert(analysis, "Test message")
         });
     });
 
     describe('Complex Revert Scenarios', function () {
         it('should handle multiple calls with revert', async function () {
-            let transactionReverted = false;
-            
             try {
                 const tx = await standardRevertTestContract.multipleCallsWithRevert({ gasLimit: DEFAULT_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, "Multiple calls revert")
         });
 
         it('should handle try-catch revert scenario', async function () {
-            let transactionReverted = false;
-            
             try {
                 const tx = await standardRevertTestContract.tryCatchRevert(true, { gasLimit: DEFAULT_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, "Internal function revert")
         });
 
         it('should handle wrapper contract revert', async function () {
             const contractAddress = await standardRevertTestContract.getAddress();
-            
-            let transactionReverted = false;
-            
             try {
                 const tx = await simpleWrapper.wrappedStandardCall(contractAddress, "Wrapper test", { gasLimit: DEFAULT_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, "Wrapper test")
         });
     });
 
     describe('OutOfGas Error Cases', function () {
         it('should handle standard contract OutOfGas', async function () {
-            // Use a very low gas limit to trigger OutOfGas
-            const lowGasLimit = 50000;
-
-            let transactionFailed = false;
-            let isOutOfGas = false;
-            
             try {
-                const tx = await standardRevertTestContract.standardOutOfGas({ gasLimit: lowGasLimit });
+                const tx = await standardRevertTestContract.standardOutOfGas({ gasLimit: LOW_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
-                transactionFailed = true;
-                isOutOfGas = await isOutOfGasError(error);
-                
-                // Analyze the failed transaction
-                expect(error.receipt).to.exist;
-                const analysis = await analyzeFailedTransaction(error.receipt.hash);
-                expect(analysis.gasUsed.toString()).to.equal(lowGasLimit.toString());
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            
-            expect(transactionFailed).to.be.true;
-            expect(isOutOfGas).to.be.true;
+            verifyOutOfGasError(analysis)
         });
 
         it('should handle expensive computation OutOfGas', async function () {
-            const lowGasLimit = 100000;
-
-            let transactionFailed = false;
-            let isOutOfGas = false;
-            
             try {
-                const tx = await standardRevertTestContract.expensiveComputation(10000, { gasLimit: lowGasLimit });
+                const tx = await standardRevertTestContract.expensiveComputation(10000, { gasLimit: LOW_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
-                transactionFailed = true;
-                isOutOfGas = await isOutOfGasError(error);
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            
-            expect(transactionFailed).to.be.true;
-            expect(isOutOfGas).to.be.true;
+            verifyOutOfGasError(analysis)
         });
 
         it('should handle expensive storage OutOfGas', async function () {
-            const lowGasLimit = 200000;
-            let transactionFailed = false;
-            let isOutOfGas = false;
-            
             try {
-                const tx = await standardRevertTestContract.expensiveStorage(100, { gasLimit: lowGasLimit });
+                const tx = await standardRevertTestContract.expensiveStorage(100, { gasLimit: LOW_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
-                transactionFailed = true;
-                isOutOfGas = await isOutOfGasError(error);
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            
-            expect(transactionFailed).to.be.true;
-            expect(isOutOfGas).to.be.true;
+            verifyOutOfGasError(analysis)
         });
 
         it('should handle wrapper OutOfGas', async function () {
             const contractAddress = await standardRevertTestContract.getAddress();
-
-            let transactionFailed = false;
-            let isOutOfGas = false;
-            
             try {
-                const tx = await simpleWrapper.wrappedOutOfGasCall(contractAddress, { gasLimit: 100000 });
+                const tx = await simpleWrapper.wrappedOutOfGasCall(contractAddress, { gasLimit: LOW_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
-                transactionFailed = true;
-                isOutOfGas = await isOutOfGasError(error);
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            
-            expect(transactionFailed).to.be.true;
-            expect(isOutOfGas).to.be.true;
+            verifyOutOfGasError(analysis)
         });
 
         it('should analyze OutOfGas error through transaction receipt', async function () {
-            const testGasLimit = 50000;
-            
-            let isOutOfGas = false;
-            let analysis = null;
-            
             try {
-                const tx = await standardRevertTestContract.standardOutOfGas({ gasLimit: testGasLimit });
+                const tx = await standardRevertTestContract.standardOutOfGas({ gasLimit: LOW_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
-                isOutOfGas = await isOutOfGasError(error);
-                
-                // Must have receipt for failed transaction
-                expect(error.receipt).to.exist;
                 analysis = await analyzeFailedTransaction(error.receipt.hash);
-                expect(analysis.status).to.equal(0);
             }
-            
-            expect(isOutOfGas).to.be.true;
-            expect(analysis).to.not.be.null;
+            verifyOutOfGasError(analysis)
         });
     });
 
@@ -447,7 +297,7 @@ describe('Standard Revert Cases E2E Tests', function () {
                         const tx = await standardRevertTestContract.standardRevert("Standard error", { gasLimit: DEFAULT_GAS_LIMIT });
                         await tx.wait();
                     },
-                    expectedInReason: "Standard error"
+                    expectedReason: "Standard error"
                 },
                 {
                     name: 'Require Revert',
@@ -455,7 +305,7 @@ describe('Standard Revert Cases E2E Tests', function () {
                         const tx = await standardRevertTestContract.requireRevert(100, 50, { gasLimit: DEFAULT_GAS_LIMIT });
                         await tx.wait();
                     },
-                    expectedInReason: "Value exceeds threshold"
+                    expectedReason: "Value exceeds threshold"
                 },
                 {
                     name: 'Assert Revert',
@@ -463,7 +313,7 @@ describe('Standard Revert Cases E2E Tests', function () {
                         const tx = await standardRevertTestContract.assertRevert({ gasLimit: DEFAULT_GAS_LIMIT });
                         await tx.wait();
                     },
-                    expectedInReason: "Panic(1)"
+                    expectedReason: PANIC_ASSERT_0x01
                 },
                 {
                     name: 'Division by Zero (Transaction)',
@@ -471,7 +321,7 @@ describe('Standard Revert Cases E2E Tests', function () {
                         const tx = await standardRevertTestContract.divisionByZeroTx({ gasLimit: DEFAULT_GAS_LIMIT });
                         await tx.wait();
                     },
-                    expectedInReason: "Panic(18)"
+                    expectedReason: PANIC_DIVISION_BY_ZERO_0x12
                 },
                 {
                     name: 'Array Out of Bounds (Transaction)',
@@ -479,7 +329,7 @@ describe('Standard Revert Cases E2E Tests', function () {
                         const tx = await standardRevertTestContract.arrayOutOfBoundsTx({ gasLimit: DEFAULT_GAS_LIMIT });
                         await tx.wait();
                     },
-                    expectedInReason: "Panic(50)"
+                    expectedReason: PANIC_ARRAY_OUT_OF_BOUND_0x32
                 }
             ];
 
@@ -488,12 +338,12 @@ describe('Standard Revert Cases E2E Tests', function () {
                 {
                     name: 'Division by Zero (View)',
                     call: async () => await standardRevertTestContract.divisionByZero(),
-                    expectedInError: "division or modulo by zero"
+                    expectedReason: PANIC_DIVISION_BY_ZERO_0x12
                 },
                 {
                     name: 'Array Out of Bounds (View)',
                     call: async () => await standardRevertTestContract.arrayOutOfBounds(),
-                    expectedInError: "out-of-bounds"
+                    expectedReason: PANIC_ARRAY_OUT_OF_BOUND_0x32
                 }
             ];
 
@@ -503,14 +353,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                     await testCase.call();
                     expect.fail(`${testCase.name} should have reverted`);
                 } catch (error) {
-                    // Must have receipt for all failed transactions
-                    expect(error.receipt).to.exist;
-                    const analysis = await analyzeFailedTransaction(error.receipt.hash);
-                    expect(analysis.status).to.equal(0);
-                    if (testCase.expectedInReason) {
-                        expect(analysis.decodedReason).to.include(testCase.expectedInReason);
-                    }
+                    analysis = await analyzeFailedTransaction(error.receipt.hash);
                 }
+                verifyTransactionRevert(analysis, testCase.expectedReason)
             }
             
             // Test view functions (no receipts)
@@ -519,11 +364,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                     await testCase.call();
                     expect.fail(`${testCase.name} should have reverted`);
                 } catch (error) {
-                    // View functions don't have receipts
-                    expect(error.receipt).to.be.undefined;
-                    // Check error message directly
-                    expect(error.message).to.include(testCase.expectedInError);
+                    decodedReason = decodeRevertReason(error.data)
                 }
+                expect(decodedReason).contains(testCase.expectedReason)
             }
         });
 
diff --git a/tests/solidity/suites/revert_cases/test/test_helper.js b/tests/solidity/suites/revert_cases/test/test_helper.js
new file mode 100644
index 000000000..3126757b5
--- /dev/null
+++ b/tests/solidity/suites/revert_cases/test/test_helper.js
@@ -0,0 +1,144 @@
+const { expect } = require('chai');
+
+// Helper to convert the raw tuple returned by staking.validator() into an object
+function parseValidator (raw) {
+    return {
+        operatorAddress: raw[0],
+        consensusPubkey: raw[1],
+        jailed: raw[2],
+        status: raw[3],
+        tokens: raw[4],
+        delegatorShares: raw[5],
+        description: raw[6],
+        unbondingHeight: raw[7],
+        unbondingTime: raw[8],
+        commission: raw[9],
+        minSelfDelegation: raw[10]
+    }
+}
+
+// Utility to parse logs and return the first matching event by name
+function findEvent (logs, iface, eventName) {
+    for (const log of logs) {
+        try {
+            const parsed = iface.parseLog(log)
+            if (parsed && parsed.name === eventName) {
+                return parsed
+            }
+        } catch {
+            // ignore logs that do not match the contract interface
+        }
+    }
+    return null
+}
+
+/**
+ * Helper function to decode hex error data from transaction receipt
+ */
+function decodeRevertReason(errorData) {
+    if (!errorData || errorData === '0x') {
+        return null;
+    }
+    
+    try {
+        // Remove '0x' prefix
+        const cleanHex = errorData.startsWith('0x') ? errorData.slice(2) : errorData;
+        
+        // Check if it's a standard revert string (function selector: 08c379a0)
+        if (cleanHex.startsWith('08c379a0')) {
+            const reasonHex = cleanHex.slice(8); // Remove function selector
+            const offsetHex = reasonHex.slice(0, 64); // Get offset (should be 0x20 = 32)
+            const offset = parseInt(offsetHex, 16);
+            
+            if (offset === 32) { // Standard ABI encoding has offset of 32
+                const reasonLength = parseInt(reasonHex.slice(64, 128), 16); // Get string length from next 32 bytes
+                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
+                return Buffer.from(reasonBytes, 'hex').toString('utf8');
+            } else {
+                // Fallback for non-standard encoding
+                const reasonLength = parseInt(reasonHex.slice(0, 64), 16); // Get string length
+                const reasonBytes = reasonHex.slice(128, 128 + reasonLength * 2); // Get string data
+                return Buffer.from(reasonBytes, 'hex').toString('utf8');
+            }
+        }
+        
+        // Check if it's a Panic error (function selector: 4e487b71)
+        if (cleanHex.startsWith('4e487b71')) {
+            const panicCode = parseInt(cleanHex.slice(8, 72), 16);
+            return `Panic(${panicCode})`;
+        }
+        
+        // Return raw hex if not a standard format
+        return `Raw: ${errorData}`;
+    } catch (error) {
+        return `Decode error: ${error.message}`;
+    }
+}
+
+/**
+ * Helper function to analyze transaction receipt for revert information
+ */
+async function analyzeFailedTransaction(txHash) {
+    const receipt = await hre.ethers.provider.getTransactionReceipt(txHash);
+    const tx = await hre.ethers.provider.getTransaction(txHash);
+    
+    // Try to get revert reason through call simulation
+    try {
+        await hre.ethers.provider.call({
+            to: tx.to,
+            data: tx.data,
+            from: tx.from,
+            value: tx.value,
+            gasLimit: tx.gasLimit,
+            gasPrice: tx.gasPrice
+        });
+    } catch (error) {
+        console.log(`  Revert Reason: ${decodeRevertReason(error.data)}`);
+        return {
+            status: receipt.status,
+            gasUsed: receipt.gasUsed,
+            gasLimit: tx.gasLimit,
+            errorData: error.data,
+            decodedReason: decodeRevertReason(error.data),
+            errorMessage: error.message
+        };
+    }
+    
+    return {
+        status: receipt.status,
+        gasUsed: receipt.gasUsed,
+        gasLimit: tx.gasLimit,
+        errorData: null,
+        decodedReason: null,
+        errorMessage: null
+    };
+}
+
+/**
+ * Helper function to verify decoded revert reason
+ */
+function verifyTransactionRevert(analysis, expectedRevertReason) {
+    expect(analysis).to.not.be.null
+    expect(analysis.status).to.equal(0); // Failed transaction
+    expect(analysis.errorData).to.not.be.null;
+    expect(analysis.decodedReason).contains(expectedRevertReason, "unexpected revert reason")
+}
+
+/**
+ * Helper function to verify out of gas error
+ */
+function verifyOutOfGasError(analysis) {
+    expect(analysis).to.not.be.null
+    expect(analysis.status).to.equal(0); // Failed transaction
+    expect(analysis.gasUsed).to.be.equal(analysis.gasLimit)
+    expect(analysis.errorMessage.toLowerCase()).include('out of gas')
+}
+
+module.exports = {
+    parseValidator,
+    findEvent,
+    decodeRevertReason,
+    analyzeFailedTransaction,
+    verifyTransactionRevert,
+    verifyOutOfGasError
+}
\ No newline at end of file

From 111fb3b2088c09081a2fca6517ce86d9fe1e5029 Mon Sep 17 00:00:00 2001
From: Kyuhyeon Choi <bluejet1104@gmail.com>
Date: Wed, 20 Aug 2025 19:13:26 +0900
Subject: [PATCH 62/65] test: enhance revert test

---
 .../test/precompile_revert_cases.js           | 33 ++------
 .../test/standard_revert_cases.js             | 82 ++++++-------------
 2 files changed, 35 insertions(+), 80 deletions(-)

diff --git a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
index 6051ef26b..ef5ddb5bd 100644
--- a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
@@ -1,6 +1,6 @@
 const { expect } = require('chai');
 const hre = require('hardhat');
-const { LARGE_GAS_LIMIT } = require('./common');
+const { LARGE_GAS_LIMIT, LOW_GAS_LIMIT } = require('./common');
 const {
     decodeRevertReason,
     analyzeFailedTransaction,
@@ -11,7 +11,7 @@ const {
 describe('Precompile Revert Cases E2E Tests', function () {
     let revertTestContract, precompileWrapper, signer;
     let validValidatorAddress, invalidValidatorAddress;
-    let analysis;
+    let analysis, decodedReason;
 
     before(async function () {
         [signer] = await hre.ethers.getSigners();
@@ -39,7 +39,8 @@ describe('Precompile Revert Cases E2E Tests', function () {
         console.log('RevertTestContract deployed at:', await revertTestContract.getAddress());
         console.log('PrecompileWrapper deployed at:', await precompileWrapper.getAddress());
 
-        analysis = null
+        analysis = null;
+        decodedReason = null;
     });
 
     describe('Direct Precompile Call Reverts', function () {
@@ -51,7 +52,6 @@ describe('Precompile Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-
             verifyTransactionRevert(analysis, "invalid validator address")
         });
 
@@ -63,13 +63,11 @@ describe('Precompile Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
             verifyTransactionRevert(analysis, "invalid validator address")
         });
 
         it('should handle direct bank precompile revert', async function () {
             // directBankRevert is a view function, so it should revert immediately
-            var decodedReason
             try {
                 await revertTestContract.directBankRevert();
                 expect.fail('Call should have reverted');
@@ -87,7 +85,6 @@ describe('Precompile Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-
             verifyTransactionRevert(analysis, "invalid validator address")
         });
     });
@@ -101,7 +98,6 @@ describe('Precompile Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-
             verifyTransactionRevert(analysis, "invalid validator address")
         });
 
@@ -113,7 +109,6 @@ describe('Precompile Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
             verifyTransactionRevert(analysis, "invalid validator address")
         });
 
@@ -125,7 +120,6 @@ describe('Precompile Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
             verifyTransactionRevert(analysis, "invalid validator address")
         });
 
@@ -137,62 +131,53 @@ describe('Precompile Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-
             verifyTransactionRevert(analysis, "invalid validator address")
         });
     });
 
     describe('Precompile OutOfGas Error Cases', function () {
         it('should handle direct precompile OutOfGas', async function () {
-            // Use a very low gas limit to trigger OutOfGas on precompile calls
-            const lowGasLimit = 80000;
-            
+            // Use a very low gas limit to trigger OutOfGas on precompile calls            
             try {
-                const tx = await revertTestContract.directStakingOutOfGas(validValidatorAddress, { gasLimit: lowGasLimit });
+                const tx = await revertTestContract.directStakingOutOfGas(validValidatorAddress, { gasLimit: LOW_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
             verifyOutOfGasError(analysis)
         });
 
         it('should handle precompile via contract OutOfGas', async function () {            
             try {
-                const tx = await revertTestContract.precompileViaContractOutOfGas(validValidatorAddress, { gasLimit: 100000 });
+                const tx = await revertTestContract.precompileViaContractOutOfGas(validValidatorAddress, { gasLimit: LOW_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
             verifyOutOfGasError(analysis)
         });
 
         it('should handle wrapper precompile OutOfGas', async function () {
             try {
-                const tx = await precompileWrapper.wrappedOutOfGasCall(validValidatorAddress, { gasLimit: 100000 });
+                const tx = await precompileWrapper.wrappedOutOfGasCall(validValidatorAddress, { gasLimit: LOW_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
             verifyOutOfGasError(analysis)
         });
 
         it('should analyze precompile OutOfGas error through transaction receipt', async function () {
-            const testGasLimit = 70000;
-            
             try {
-                const tx = await revertTestContract.directStakingOutOfGas(validValidatorAddress, { gasLimit: testGasLimit });
+                const tx = await revertTestContract.directStakingOutOfGas(validValidatorAddress, { gasLimit: LOW_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have failed with OutOfGas');
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-
             verifyOutOfGasError(analysis)
         });
     });
diff --git a/tests/solidity/suites/revert_cases/test/standard_revert_cases.js b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
index 8c5eb3a94..24e5855a9 100644
--- a/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
@@ -18,7 +18,7 @@ const {
 
 describe('Standard Revert Cases E2E Tests', function () {
     let standardRevertTestContract, simpleWrapper, signer;
-    let analysis;
+    let analysis, decodedReason;
 
     before(async function () {
         [signer] = await hre.ethers.getSigners();
@@ -46,59 +46,52 @@ describe('Standard Revert Cases E2E Tests', function () {
         console.log('SimpleWrapper deployed at:', wrapperAddress);
 
         analysis = null;
+        decodedReason = null;
     });
 
     describe('Standard Contract Call Reverts', function () {
         it('should handle standard revert with custom message', async function () {
             const customMessage = "Custom revert message";
-            
-            // Verify that the transaction reverts
-            let transactionReverted = false;
-            
             try {
                 const tx = await standardRevertTestContract.standardRevert(customMessage, { gasLimit: DEFAULT_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, customMessage)
 
             // Verify we can capture the revert reason via static call
             try {
                 await standardRevertTestContract.standardRevert.staticCall(customMessage);
                 expect.fail('Static call should have reverted');
-            } catch (staticError) {
-                expect(staticError.message).to.include(customMessage);
-                // Error message validated above
+            } catch (error) {
+                decodedReason = decodeRevertReason(error.data)
             }
+            expect(decodedReason).to.include(customMessage)
         });
 
         it('should handle require revert with proper error message', async function () {
             const value = 100;
             const threshold = 50;
             
-            let transactionReverted = false;
-            
             try {
                 const tx = await standardRevertTestContract.requireRevert(value, threshold, { gasLimit: DEFAULT_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, "Value exceeds threshold")
             
             // Verify we can capture the revert reason via static call
             try {
                 await standardRevertTestContract.requireRevert.staticCall(value, threshold);
                 expect.fail('Static call should have reverted');
-            } catch (staticError) {
-                expect(staticError.message).to.include("Value exceeds threshold");
-                // Error message validated above
+            } catch (error) {
+                decodedReason = decodeRevertReason(error.data);
             }
+            expect(decodedReason).to.include("Value exceeds threshold");
             
             // Verify successful case (no revert when value < threshold)
             const successTx = await standardRevertTestContract.requireRevert(25, 50, { gasLimit: DEFAULT_GAS_LIMIT });
@@ -106,58 +99,45 @@ describe('Standard Revert Cases E2E Tests', function () {
             expect(receipt.status).to.equal(1, 'Transaction should succeed when value < threshold');
         });
 
-        it('should handle assert revert (Panic error)', async function () {
-            let transactionReverted = false;
-            
+        it('should handle assert revert (Panic error)', async function () {            
             try {
                 const tx = await standardRevertTestContract.assertRevert({ gasLimit: DEFAULT_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, PANIC_ASSERT_0x01)
             
             // Verify we can capture the revert reason via static call
             try {
                 await standardRevertTestContract.assertRevert.staticCall();
                 expect.fail('Static call should have reverted');
-            } catch (staticError) {
-                // Check for either "panic" or "assert(false)" as different nodes may return different messages
-                const hasExpectedError = staticError.message.includes("panic") || staticError.message.includes("assert(false)");
-                expect(hasExpectedError).to.be.true;
-                // Error message validated above
+            } catch (error) {
+                decodedReason = decodeRevertReason(error.data)
             }
+            expect(decodedReason).to.include(PANIC_ASSERT_0x01)
         });
 
         it('should handle division by zero (View Panic error)', async function () {
-            let transactionReverted = false;
-            
             try {
                 await standardRevertTestContract.divisionByZero();
                 expect.fail('View call should have reverted');
             } catch (error) {
-                transactionReverted = true;
-                expect(error.message).to.include("division or modulo by zero");
+                decodedReason = await decodeRevertReason(error.data)
             }
-            
-            expect(transactionReverted).to.be.true;
+            expect(decodedReason).to.include(PANIC_DIVISION_BY_ZERO_0x12)
         });
 
-        it('should handle division by zero (Transaction Panic error)', async function () {
-            let transactionReverted = false;
-            
+        it('should handle division by zero (Transaction Panic error)', async function () {            
             try {
                 const tx = await standardRevertTestContract.divisionByZeroTx({ gasLimit: DEFAULT_GAS_LIMIT });
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                transactionReverted = true;
-                expect(error.receipt).to.exist;
+                analysis = await analyzeFailedTransaction(error.receipt.hash)
             }
-            
-            expect(transactionReverted).to.be.true;
+            verifyTransactionRevert(analysis, PANIC_DIVISION_BY_ZERO_0x12)
         });
 
         it('should handle array out of bounds (View Panic error)', async function () {            
@@ -376,11 +356,6 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                // Must have receipt for failed transaction
-                expect(error.receipt).to.exist;
-                
-                // Simulate the call to get error data
-                let errorCaught = false;
                 try {
                     const contractAddress = await standardRevertTestContract.getAddress();
                     await hre.ethers.provider.call({
@@ -389,15 +364,10 @@ describe('Standard Revert Cases E2E Tests', function () {
                         gasLimit: DEFAULT_GAS_LIMIT
                     });
                     expect.fail('Call should have reverted');
-                } catch (callError) {
-                    errorCaught = true;
-                    expect(callError.data).to.exist;
-                    expect(callError.data).to.match(/^0x/, 'Error data must be hex-encoded');
-                    
-                    const decoded = decodeRevertReason(callError.data);
-                    expect(decoded).to.include("Hex encoding test");
+                } catch (error) {
+                    decodedReason = await decodeRevertReason(error.data)
                 }
-                expect(errorCaught).to.equal(true, 'Call must revert with error');
+                expect(decodedReason).to.include('Hex encoding test')
             }
         });
     });

From 9ed64241c2bbd335f644ff5ff5ac3eec84024e3a Mon Sep 17 00:00:00 2001
From: Kyuhyeon Choi <bluejet1104@gmail.com>
Date: Wed, 20 Aug 2025 19:50:47 +0900
Subject: [PATCH 63/65] chore(tests): refine code

---
 .../test/precompile_revert_cases.js           |  2 +-
 .../test/standard_revert_cases.js             | 71 ++++++++++---------
 .../suites/revert_cases/test/test_helper.js   | 10 +--
 3 files changed, 42 insertions(+), 41 deletions(-)

diff --git a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
index ef5ddb5bd..ce397d0ff 100644
--- a/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/precompile_revert_cases.js
@@ -9,7 +9,7 @@ const {
 } = require('./test_helper')
 
 describe('Precompile Revert Cases E2E Tests', function () {
-    let revertTestContract, precompileWrapper, signer;
+    let revertTestContract, precompileWrapper;
     let validValidatorAddress, invalidValidatorAddress;
     let analysis, decodedReason;
 
diff --git a/tests/solidity/suites/revert_cases/test/standard_revert_cases.js b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
index 24e5855a9..9aa133755 100644
--- a/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
@@ -57,18 +57,18 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                analysis = await analyzeFailedTransaction(error.receipt.hash)
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyTransactionRevert(analysis, customMessage)
+            verifyTransactionRevert(analysis, customMessage);
 
             // Verify we can capture the revert reason via static call
             try {
                 await standardRevertTestContract.standardRevert.staticCall(customMessage);
                 expect.fail('Static call should have reverted');
             } catch (error) {
-                decodedReason = decodeRevertReason(error.data)
+                decodedReason = decodeRevertReason(error.data);
             }
-            expect(decodedReason).to.include(customMessage)
+            expect(decodedReason).to.include(customMessage);
         });
 
         it('should handle require revert with proper error message', async function () {
@@ -80,9 +80,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                analysis = await analyzeFailedTransaction(error.receipt.hash)
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyTransactionRevert(analysis, "Value exceeds threshold")
+            verifyTransactionRevert(analysis, "Value exceeds threshold");
             
             // Verify we can capture the revert reason via static call
             try {
@@ -105,18 +105,19 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                analysis = await analyzeFailedTransaction(error.receipt.hash)
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
+
             }
-            verifyTransactionRevert(analysis, PANIC_ASSERT_0x01)
+            verifyTransactionRevert(analysis, PANIC_ASSERT_0x01);
             
             // Verify we can capture the revert reason via static call
             try {
                 await standardRevertTestContract.assertRevert.staticCall();
                 expect.fail('Static call should have reverted');
             } catch (error) {
-                decodedReason = decodeRevertReason(error.data)
+                decodedReason = decodeRevertReason(error.data);
             }
-            expect(decodedReason).to.include(PANIC_ASSERT_0x01)
+            expect(decodedReason).to.include(PANIC_ASSERT_0x01);
         });
 
         it('should handle division by zero (View Panic error)', async function () {
@@ -124,9 +125,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await standardRevertTestContract.divisionByZero();
                 expect.fail('View call should have reverted');
             } catch (error) {
-                decodedReason = await decodeRevertReason(error.data)
+                decodedReason = decodeRevertReason(error.data);
             }
-            expect(decodedReason).to.include(PANIC_DIVISION_BY_ZERO_0x12)
+            expect(decodedReason).to.include(PANIC_DIVISION_BY_ZERO_0x12);
         });
 
         it('should handle division by zero (Transaction Panic error)', async function () {            
@@ -135,9 +136,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                analysis = await analyzeFailedTransaction(error.receipt.hash)
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyTransactionRevert(analysis, PANIC_DIVISION_BY_ZERO_0x12)
+            verifyTransactionRevert(analysis, PANIC_DIVISION_BY_ZERO_0x12);
         });
 
         it('should handle array out of bounds (View Panic error)', async function () {            
@@ -145,9 +146,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await standardRevertTestContract.arrayOutOfBounds();
                 expect.fail('View call should have reverted');
             } catch (error) {
-                decodedReason = decodeRevertReason(error.data)
+                decodedReason = decodeRevertReason(error.data);
             }
-            expect(decodedReason).contains(PANIC_ARRAY_OUT_OF_BOUND_0x32)
+            expect(decodedReason).contains(PANIC_ARRAY_OUT_OF_BOUND_0x32);
         });
 
         it('should handle array out of bounds (Transaction Panic error)', async function () {
@@ -156,9 +157,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                analysis = await analyzeFailedTransaction(error.receipt.hash)
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyTransactionRevert(analysis, PANIC_ARRAY_OUT_OF_BOUND_0x32)
+            verifyTransactionRevert(analysis, PANIC_ARRAY_OUT_OF_BOUND_0x32);
         });
 
         it('should capture revert reason through eth_getTransactionReceipt', async function () {
@@ -167,9 +168,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                analysis = await analyzeFailedTransaction(error.receipt.hash)
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyTransactionRevert(analysis, "Test message")
+            verifyTransactionRevert(analysis, "Test message");
         });
     });
 
@@ -180,9 +181,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                analysis = await analyzeFailedTransaction(error.receipt.hash)
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyTransactionRevert(analysis, "Multiple calls revert")
+            verifyTransactionRevert(analysis, "Multiple calls revert");
         });
 
         it('should handle try-catch revert scenario', async function () {
@@ -191,9 +192,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                analysis = await analyzeFailedTransaction(error.receipt.hash)
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyTransactionRevert(analysis, "Internal function revert")
+            verifyTransactionRevert(analysis, "Internal function revert");
         });
 
         it('should handle wrapper contract revert', async function () {
@@ -203,9 +204,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                 await tx.wait();
                 expect.fail('Transaction should have reverted');
             } catch (error) {
-                analysis = await analyzeFailedTransaction(error.receipt.hash)
+                analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyTransactionRevert(analysis, "Wrapper test")
+            verifyTransactionRevert(analysis, "Wrapper test");
         });
     });
 
@@ -218,7 +219,7 @@ describe('Standard Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyOutOfGasError(analysis)
+            verifyOutOfGasError(analysis);
         });
 
         it('should handle expensive computation OutOfGas', async function () {
@@ -229,7 +230,7 @@ describe('Standard Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyOutOfGasError(analysis)
+            verifyOutOfGasError(analysis);
         });
 
         it('should handle expensive storage OutOfGas', async function () {
@@ -240,7 +241,7 @@ describe('Standard Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyOutOfGasError(analysis)
+            verifyOutOfGasError(analysis);
         });
 
         it('should handle wrapper OutOfGas', async function () {
@@ -252,7 +253,7 @@ describe('Standard Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyOutOfGasError(analysis)
+            verifyOutOfGasError(analysis);
         });
 
         it('should analyze OutOfGas error through transaction receipt', async function () {
@@ -263,7 +264,7 @@ describe('Standard Revert Cases E2E Tests', function () {
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash);
             }
-            verifyOutOfGasError(analysis)
+            verifyOutOfGasError(analysis);
         });
     });
 
@@ -344,9 +345,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                     await testCase.call();
                     expect.fail(`${testCase.name} should have reverted`);
                 } catch (error) {
-                    decodedReason = decodeRevertReason(error.data)
+                    decodedReason = decodeRevertReason(error.data);
                 }
-                expect(decodedReason).contains(testCase.expectedReason)
+                expect(decodedReason).contains(testCase.expectedReason);
             }
         });
 
@@ -365,9 +366,9 @@ describe('Standard Revert Cases E2E Tests', function () {
                     });
                     expect.fail('Call should have reverted');
                 } catch (error) {
-                    decodedReason = await decodeRevertReason(error.data)
+                    decodedReason = await decodeRevertReason(error.data);
                 }
-                expect(decodedReason).to.include('Hex encoding test')
+                expect(decodedReason).to.include('Hex encoding test');
             }
         });
     });
diff --git a/tests/solidity/suites/revert_cases/test/test_helper.js b/tests/solidity/suites/revert_cases/test/test_helper.js
index 3126757b5..258bb2ac3 100644
--- a/tests/solidity/suites/revert_cases/test/test_helper.js
+++ b/tests/solidity/suites/revert_cases/test/test_helper.js
@@ -118,20 +118,20 @@ async function analyzeFailedTransaction(txHash) {
  * Helper function to verify decoded revert reason
  */
 function verifyTransactionRevert(analysis, expectedRevertReason) {
-    expect(analysis).to.not.be.null
+    expect(analysis).to.not.be.null;
     expect(analysis.status).to.equal(0); // Failed transaction
     expect(analysis.errorData).to.not.be.null;
-    expect(analysis.decodedReason).contains(expectedRevertReason, "unexpected revert reason")
+    expect(analysis.decodedReason).contains(expectedRevertReason, "unexpected revert reason");
 }
 
 /**
  * Helper function to verify out of gas error
  */
 function verifyOutOfGasError(analysis) {
-    expect(analysis).to.not.be.null
+    expect(analysis).to.not.be.null;
     expect(analysis.status).to.equal(0); // Failed transaction
-    expect(analysis.gasUsed).to.be.equal(analysis.gasLimit)
-    expect(analysis.errorMessage.toLowerCase()).include('out of gas')
+    expect(analysis.gasUsed).to.be.equal(analysis.gasLimit);
+    expect(analysis.errorMessage.toLowerCase()).include('out of gas');
 }
 
 module.exports = {

From e283365f3b5efe9e5eec221d1274047624d84db1 Mon Sep 17 00:00:00 2001
From: Kyuhyeon Choi <bluejet1104@gmail.com>
Date: Wed, 20 Aug 2025 19:53:36 +0900
Subject: [PATCH 64/65] chore: update changelog

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b06fbac7..9d0e8166a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,6 +44,7 @@
 - [\#398](https://github.com/cosmos/evm/pull/398) Post-audit security fixes (batch 4)
 - [\#442](https://github.com/cosmos/evm/pull/442) Prevent nil pointer by checking error in gov precompile FromResponse.
 - [\#387](https://github.com/cosmos/evm/pull/387) (Experimental) EVM-compatible appside mempool
+- [\#476](https://github.com/cosmos/evm/pull/476) Add revert error e2e tests for contract and precompile calls
 
 ### FEATURES
 

From 62390e54c9b24e5de96b639966956306fd42c346 Mon Sep 17 00:00:00 2001
From: Kyuhyeon Choi <bluejet1104@gmail.com>
Date: Wed, 20 Aug 2025 19:57:47 +0900
Subject: [PATCH 65/65] chore: add semi-colon

---
 .../solidity/suites/revert_cases/test/standard_revert_cases.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tests/solidity/suites/revert_cases/test/standard_revert_cases.js b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
index 9aa133755..87e1e608f 100644
--- a/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
+++ b/tests/solidity/suites/revert_cases/test/standard_revert_cases.js
@@ -106,7 +106,6 @@ describe('Standard Revert Cases E2E Tests', function () {
                 expect.fail('Transaction should have reverted');
             } catch (error) {
                 analysis = await analyzeFailedTransaction(error.receipt.hash);
-
             }
             verifyTransactionRevert(analysis, PANIC_ASSERT_0x01);
             
@@ -336,7 +335,7 @@ describe('Standard Revert Cases E2E Tests', function () {
                 } catch (error) {
                     analysis = await analyzeFailedTransaction(error.receipt.hash);
                 }
-                verifyTransactionRevert(analysis, testCase.expectedReason)
+                verifyTransactionRevert(analysis, testCase.expectedReason);
             }
             
             // Test view functions (no receipts)