Merge commit from fork

* Clean up events on EVM reversion in try-catch

* Problem: global mutable state in balance handler

* currently the balance handler in static precompile is a global mutable

* add test for balance handler overwrite

* Fix unit test

* undo race removal

* Add precompile caller json to main files

* add debug comments

* fix imports

---------

Co-authored-by: yihuang <[email protected]>

Author: vladjdk

contracts/debug_precompile_caller.go

@@ -0,0 +1,30 @@
+package contracts
+
+import (
+	_ "embed"
+
+	contractutils "github.com/cosmos/evm/contracts/utils"
+	evmtypes "github.com/cosmos/evm/x/vm/types"
+)
+
+var (
+	//go:embed solidity/DebugPrecompileCaller.json
+	DebugPrecompileCallerJSON []byte
+
+	// GreeterContract is the compiled Greeter contract
+	DebugPrecompileCallerContract evmtypes.CompiledContract
+)
+
+func init() {
+	var err error
+	if DebugPrecompileCallerContract, err = contractutils.ConvertHardhatBytesToCompiledContract(
+		DebugPrecompileCallerJSON,
+	); err != nil {
+		panic(err)
+	}
+}
+
+// LoadGreeter loads the Greeter contract
+func LoadDebugPrecompileCaller() (evmtypes.CompiledContract, error) {
+	return DebugPrecompileCallerContract, nil
+}

contracts/erc20_recursive_non_reverting.go

@@ -0,0 +1,10 @@
+package contracts
+
+import (
+	contractutils "github.com/cosmos/evm/contracts/utils"
+	evmtypes "github.com/cosmos/evm/x/vm/types"
+)
+
+func LoadERC20RecursiveNonReverting() (evmtypes.CompiledContract, error) {
+	return contractutils.LoadContractFromJSONFile("solidity/ERC20RecursiveNonRevertingPrecompileCall.json")
+}

contracts/erc20_recursive_reverting.go

@@ -0,0 +1,10 @@
+package contracts
+
+import (
+	contractutils "github.com/cosmos/evm/contracts/utils"
+	evmtypes "github.com/cosmos/evm/x/vm/types"
+)
+
+func LoadERC20RecursiveReverting() (evmtypes.CompiledContract, error) {
+	return contractutils.LoadContractFromJSONFile("solidity/ERC20RecursiveRevertingPrecompileCall.json")
+}

contracts/solidity/DebugPrecompileCaller.json

@@ -0,0 +1,35 @@
+{
+  "_format": "hh-sol-artifact-1",
+  "contractName": "DebugPrecompileCaller",
+  "sourceName": "solidity/DebugPrecompileCaller.sol",
+  "abi": [
+    {
+      "inputs": [
+        {
+          "internalType": "bytes",
+          "name": "data",
+          "type": "bytes"
+        }
+      ],
+      "name": "CallFailed",
+      "type": "error"
+    },
+    {
+      "inputs": [
+        {
+          "internalType": "uint256",
+          "name": "counter",
+          "type": "uint256"
+        }
+      ],
+      "name": "callback",
+      "outputs": [],
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ],
+  "bytecode": "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",
+  "deployedBytecode": "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",
+  "linkReferences": {},
+  "deployedLinkReferences": {}
+}

contracts/solidity/DebugPrecompileCaller.sol

@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.4;
+
+contract DebugPrecompileCaller {
+    address constant debugPrecompile = 0x0000000000000000000000000000000000000799;
+    error CallFailed(bytes data);
+    function callback(uint256 counter) public {
+        bool result;
+        bytes memory data;
+
+        // emit events
+        for (uint i = 0; i < counter; i++) {
+            (result, data) = debugPrecompile.call(abi.encodePacked(uint8(1)));
+            if (!result) {
+                revert CallFailed(data);
+            }
+        }
+
+        if (counter > 3) {
+            // stop the recursion
+            return;
+        }
+
+        // recursive call
+        (result, data) = debugPrecompile.call(abi.encodePacked(uint8(0), counter));
+        if (!result) {
+            revert CallFailed(data);
+        }
+    }
+}