impr(evm): add tx_type, gas and counter telemetry for ethereum txs (#…

…1101)

* impr(evm): add tx_type, gas and counter telemetry for ethereum txs

* impr(evm): Add CHANGELOG

CHANGELOG.md

@@ -46,6 +46,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * (cli) [tharsis#1086](https://github.com/tharsis/ethermint/pull/1086) Add rollback command.
 * (specs) [tharsis#1095](https://github.com/tharsis/ethermint/pull/1095) Add more evm specs concepts.
+* (evm) [tharsis#1101](https://github.com/tharsis/ethermint/pull/1101) Add tx_type, gas and counter telemetry for ethereum txs.
 
 ### Bug Fixes
 

go.mod

@@ -3,6 +3,7 @@ module github.com/tharsis/ethermint
 go 1.17
 
 require (
+ github.com/armon/go-metrics v0.3.10
  github.com/btcsuite/btcd v0.22.1
  github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce
  github.com/cosmos/cosmos-sdk v0.45.4
@@ -45,7 +46,6 @@ require (
  github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
  github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
  github.com/Workiva/go-datastructures v1.0.53 // indirect
- github.com/armon/go-metrics v0.3.10 // indirect
  github.com/beorn7/perks v1.0.1 // indirect
  github.com/bgentry/speakeasy v0.1.0 // indirect
  github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 // indirect

x/evm/keeper/msg_server.go

@@ -9,6 +9,8 @@ import (
  tmbytes "github.com/tendermint/tendermint/libs/bytes"
  tmtypes "github.com/tendermint/tendermint/types"
 
+ "github.com/armon/go-metrics"
+ "github.com/cosmos/cosmos-sdk/telemetry"
  sdk "github.com/cosmos/cosmos-sdk/types"
  sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 
@@ -28,11 +30,38 @@ func (k *Keeper) EthereumTx(goCtx context.Context, msg *types.MsgEthereumTx) (*t
  tx := msg.AsTransaction()
  txIndex := k.GetTxIndexTransient(ctx)
 
+ labels := []metrics.Label{telemetry.NewLabel("tx_type", fmt.Sprintf("%d", tx.Type()))}
+ if tx.To() == nil {
+ labels = []metrics.Label{
+ telemetry.NewLabel("execution", "create"),
+ }
+ } else {
+ labels = []metrics.Label{
+ telemetry.NewLabel("execution", "call"),
+ telemetry.NewLabel("to", tx.To().Hex()), // recipient address (contract or account)
+ }
+ }
+
  response, err := k.ApplyTransaction(ctx, tx)
  if err != nil {
  return nil, sdkerrors.Wrap(err, "failed to apply transaction")
  }
 
+ defer func() {
+ if tx.Value().IsInt64() {
+ telemetry.SetGauge(
+ float32(tx.Value().Int64()),
+ "tx", "msg", "ethereum_tx",
+ )
+ }
+
+ telemetry.IncrCounterWithLabels(
+ []string{types.ModuleName, "ethereum_tx"},
+ 1,
+ labels,
+ )
+ }()
+
  attrs := []sdk.Attribute{
  sdk.NewAttribute(sdk.AttributeKeyAmount, tx.Value().String()),
  // add event for ethereum transaction hash format