refactor: rewrite revert and precompile decoding (#6222)

* wip

* rm ugly ass brute force decoding

* improve decoding

* decode precompiles

* chore: rewrite hardhat console patcher

* fixes

* chore: clippy

* further

* addtest

crates/anvil/src/eth/backend/mem/mod.rs

@@ -53,19 +53,18 @@ use ethers::{
         DefaultFrame, Filter, FilteredParams, GethDebugTracingOptions, GethTrace, Log, OtherFields,
         Trace, Transaction, TransactionReceipt, H160,
     },
-    utils::{hex, keccak256, rlp},
+    utils::{keccak256, rlp},
 };
 use flate2::{read::GzDecoder, write::GzEncoder, Compression};
-use foundry_common::fmt::format_token;
 use foundry_evm::{
     backend::{DatabaseError, DatabaseResult},
     constants::DEFAULT_CREATE2_DEPLOYER_RUNTIME_CODE,
-    decode::{decode_custom_error_args, decode_revert},
+    decode::decode_revert,
     inspectors::AccessListTracer,
     revm::{
         self,
         db::CacheDB,
-        interpreter::{return_ok, InstructionResult},
+        interpreter::InstructionResult,
         primitives::{
             Account, BlockEnv, CreateScheme, EVMError, Env, ExecutionResult, InvalidHeader, Output,
             SpecId, TransactTo, TxEnv, KECCAK_EMPTY,
@@ -285,7 +284,7 @@ impl Backend {
             fork_genesis_infos.clear();
 
             for res in genesis_accounts {
-                let (address, mut info) = res??;
+                let (address, mut info) = res.map_err(DatabaseError::display)??;
                 info.balance = self.genesis.balance;
                 db.insert_account(address, info.clone());
 
@@ -910,54 +909,20 @@ impl Backend {
             // insert all transactions
             for (info, receipt) in transactions.into_iter().zip(receipts) {
                 // log some tx info
-                {
-                    node_info!("    Transaction: {:?}", info.transaction_hash);
-                    if let Some(ref contract) = info.contract_address {
-                        node_info!("    Contract created: {:?}", contract);
-                    }
-                    node_info!("    Gas used: {}", receipt.gas_used());
-                    match info.exit {
-                        return_ok!() => (),
-                        InstructionResult::OutOfFund => {
-                            node_info!("    Error: reverted due to running out of funds");
-                        }
-                        InstructionResult::CallTooDeep => {
-                            node_info!("    Error: reverted with call too deep");
-                        }
-                        InstructionResult::Revert => {
-                            if let Some(ref r) = info.out {
-                                if let Ok(reason) = decode_revert(r.as_ref(), None, None) {
-                                    node_info!("    Error: reverted with '{}'", reason);
-                                } else {
-                                    match decode_custom_error_args(r, 5) {
-                                        // assuming max 5 args
-                                        Some(token) => {
-                                            node_info!(
-                                                "    Error: reverted with custom error: {:?}",
-                                                format_token(&token)
-                                            );
-                                        }
-                                        None => {
-                                            node_info!(
-                                                "    Error: reverted with custom error: {}",
-                                                hex::encode(r)
-                                            );
-                                        }
-                                    }
-                                }
-                            } else {
-                                node_info!("    Error: reverted without a reason");
-                            }
-                        }
-                        InstructionResult::OutOfGas => {
-                            node_info!("    Error: ran out of gas");
-                        }
-                        reason => {
-                            node_info!("    Error: failed due to {:?}", reason);
-                        }
-                    }
-                    node_info!("");
+                node_info!("    Transaction: {:?}", info.transaction_hash);
+                if let Some(contract) = &info.contract_address {
+                    node_info!("    Contract created: {contract:?}");
+                }
+                node_info!("    Gas used: {}", receipt.gas_used());
+                if !info.exit.is_ok() {
+                    let r = decode_revert(
+                        info.out.as_deref().unwrap_or_default(),
+                        None,
+                        Some(info.exit),
+                    );
+                    node_info!("    Error: reverted with: {r}");
                 }
+                node_info!("");
 
                 let mined_tx = MinedTransaction {
                     info,

crates/cast/Cargo.toml

@@ -35,7 +35,6 @@ alloy-dyn-abi.workspace = true
 foundry-compilers = { workspace = true, default-features = false }
 foundry-block-explorers = { workspace = true }
 
-
 chrono.workspace = true
 evm-disassembler = "0.3"
 eyre.workspace = true

crates/config/src/utils.rs

@@ -203,7 +203,7 @@ pub fn get_available_profiles(toml_path: impl AsRef<Path>) -> eyre::Result<Vec<S
     let doc = read_toml(toml_path)?;
 
     if let Some(Item::Table(profiles)) = doc.as_table().get(Config::PROFILE_SECTION) {
-        for (profile, _) in profiles.iter() {
+        for (profile, _) in profiles {
             let p = profile.to_string();
             if !result.contains(&p) {
                 result.push(p);

crates/evm/core/Cargo.toml

@@ -12,6 +12,7 @@ repository.workspace = true
 
 [dependencies]
 foundry-abi.workspace = true
+foundry-cheatcodes-defs.workspace = true
 foundry-common.workspace = true
 foundry-compilers.workspace = true
 foundry-config.workspace = true
@@ -53,5 +54,4 @@ once_cell = "1"
 
 # Misc
 url = "2"
-auto_impl = "1"
 itertools.workspace = true

crates/evm/core/src/abi/mod.rs

@@ -1,22 +1,22 @@
 //! Several ABI-related utilities for executors.
 
+use once_cell::sync::Lazy;
+use std::collections::HashMap;
+
 pub use foundry_abi::{
-    console::{self, ConsoleEvents, CONSOLE_ABI},
-    hardhat_console::{self, HardhatConsoleCalls, HARDHATCONSOLE_ABI as HARDHAT_CONSOLE_ABI},
+    console::{ConsoleEvents, CONSOLE_ABI},
+    hardhat_console::{HardhatConsoleCalls, HARDHATCONSOLE_ABI as HARDHAT_CONSOLE_ABI},
     hevm::HEVM_ABI,
 };
-use once_cell::sync::Lazy;
-use std::collections::HashMap;
 
 /// If the input starts with a known `hardhat/console.log` `uint` selector, then this will replace
 /// it with the selector `abigen!` bindings expect.
-pub fn patch_hardhat_console_selector(input: &mut Vec<u8>) {
-    if input.len() < 4 {
-        return
-    }
-    let selector = unsafe { &mut *(input.get_unchecked_mut(..4) as *mut [u8] as *mut [u8; 4]) };
-    if let Some(abigen_selector) = HARDHAT_CONSOLE_SELECTOR_PATCHES.get(selector) {
-        *selector = *abigen_selector;
+pub fn patch_hardhat_console_selector(input: &mut [u8]) {
+    if let Some(selector) = input.get_mut(..4) {
+        let selector: &mut [u8; 4] = selector.try_into().unwrap();
+        if let Some(generated_selector) = HARDHAT_CONSOLE_SELECTOR_PATCHES.get(selector) {
+            *selector = *generated_selector;
+        }
     }
 }
 
@@ -27,7 +27,7 @@ pub fn patch_hardhat_console_selector(input: &mut Vec<u8>) {
 /// bindings which `abigen!` creates. `hardhat/console.log` logs its events in functions that accept
 /// `uint` manually as `abi.encodeWithSignature("log(int)", p0)`, but `abigen!` uses `uint256` for
 /// its call bindings (`HardhatConsoleCalls`) as generated by solc.
-pub static HARDHAT_CONSOLE_SELECTOR_PATCHES: Lazy<HashMap<[u8; 4], [u8; 4]>> = Lazy::new(|| {
+static HARDHAT_CONSOLE_SELECTOR_PATCHES: Lazy<HashMap<[u8; 4], [u8; 4]>> = Lazy::new(|| {
     HashMap::from([
         // log(bool,uint256,uint256,address)
         ([241, 97, 178, 33], [0, 221, 135, 185]),
@@ -545,11 +545,11 @@ mod tests {
     use super::*;
 
     #[test]
-    fn hardhat_console_path_works() {
-        for (hh, abigen) in HARDHAT_CONSOLE_SELECTOR_PATCHES.iter() {
-            let mut hh = (*hh).to_vec();
+    fn hardhat_console_patch() {
+        for (hh, generated) in HARDHAT_CONSOLE_SELECTOR_PATCHES.iter() {
+            let mut hh = *hh;
             patch_hardhat_console_selector(&mut hh);
-            assert_eq!((*abigen).to_vec(), hh);
+            assert_eq!(hh, *generated);
         }
     }
 }

crates/evm/core/src/backend/mod.rs

@@ -69,7 +69,6 @@ const GLOBAL_FAILURE_SLOT: B256 =
     b256!("6661696c65640000000000000000000000000000000000000000000000000000");
 
 /// An extension trait that allows us to easily extend the `revm::Inspector` capabilities
-#[auto_impl::auto_impl(&mut, Box)]
 pub trait DatabaseExt: Database<Error = DatabaseError> {
     /// Creates a new snapshot at the current point of execution.
     ///

crates/evm/core/src/debug.rs

@@ -1,4 +1,4 @@
-use crate::{abi::HEVM_ABI, utils::CallKind};
+use crate::utils::CallKind;
 use alloy_primitives::{Address, U256};
 use revm::interpreter::{Memory, OpCode};
 use serde::{Deserialize, Serialize};
@@ -178,11 +178,12 @@ impl Display for Instruction {
             Instruction::Cheatcode(cheat) => write!(
                 f,
                 "VM_{}",
-                &*HEVM_ABI
-                    .functions()
-                    .find(|func| func.short_signature() == *cheat)
+                foundry_cheatcodes_defs::Vm::CHEATCODES
+                    .iter()
+                    .map(|c| &c.func)
+                    .find(|c| c.selector_bytes == *cheat)
                     .expect("unknown cheatcode found in debugger")
-                    .name
+                    .id
                     .to_uppercase()
             ),
         }