fix(ante): prevent panic when building error message of fee which overflow int64 (backport #59)

CHANGELOG.md

@@ -39,6 +39,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 - (test) [#51](https://github.com/EscanBE/evermint/pull/51) Set chain-id into client.toml during init testnet
 
+### Bug Fixes
+
+- (ante) [#60](https://github.com/EscanBE/evermint/pull/60) Prevent panic when building error message of fee which overflow int64 (backport #59)
+
 # Evermint changelog
 
 #### Note: Evermint was born for development and research purpose so maintainers do not support migration for new upgrade/breaking changes.

app/ante/evm/fees.go

@@ -98,8 +98,8 @@ func (empd EthMinGasPriceDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simul
 		if fee.LT(requiredFee) {
 			return ctx, errorsmod.Wrapf(
 				errortypes.ErrInsufficientFee,
-				"provided fee < minimum global fee (%d < %d). Please increase the priority tip (for EIP-1559 txs) or the gas prices (for access list or legacy txs)", //nolint:lll
-				fee.TruncateInt().Int64(), requiredFee.TruncateInt().Int64(),
+				"provided fee < minimum global fee (%s < %s). Please increase the priority tip (for EIP-1559 txs) or the gas prices (for access list or legacy txs)", //nolint:lll
+				fee.TruncateInt().String(), requiredFee.TruncateInt().String(),
 			)
 		}
 	}

app/ante/evm/fees_test.go

@@ -2,6 +2,7 @@ package evm_test
 
 import (
 	"github.com/EscanBE/evermint/v12/rename_chain/marker"
+	"math"
 	"math/big"
 
 	sdkmath "cosmossdk.io/math"
@@ -228,6 +229,53 @@ func (suite *AnteTestSuite) TestEthMinGasPriceDecorator() {
 			true,
 			"",
 		},
+		{
+			name: "do not panic when tx fee overflow of int64",
+			malleate: func() sdk.Tx {
+				params := suite.app.FeeMarketKeeper.GetParams(suite.ctx)
+				params.MinGasPrice = sdk.NewDec(math.MaxInt64).MulInt64(2)
+				err := suite.app.FeeMarketKeeper.SetParams(suite.ctx, params)
+				suite.Require().NoError(err)
+
+				gasFeeOverflowInt64 := new(big.Int).Add(big.NewInt(math.MaxInt64), big.NewInt(1))
+				msg := suite.BuildTestEthTx(
+					from,                // from
+					to,                  // to
+					nil,                 // amount
+					make([]byte, 0),     // input
+					nil,                 // gas price
+					gasFeeOverflowInt64, // gas fee cap
+					gasFeeOverflowInt64, // gas tip cap
+					&emptyAccessList,    // access list
+				)
+				return suite.CreateTestTx(msg, privKey, 1, false)
+			},
+			expPass: false,
+			errMsg:  "provided fee < minimum global fee",
+		},
+		{
+			name: "do not panic when required fee (minimum global fee) overflow of int64",
+			malleate: func() sdk.Tx {
+				params := suite.app.FeeMarketKeeper.GetParams(suite.ctx)
+				params.MinGasPrice = sdk.NewDec(math.MaxInt64).MulInt64(2)
+				err := suite.app.FeeMarketKeeper.SetParams(suite.ctx, params)
+				suite.Require().NoError(err)
+
+				msg := suite.BuildTestEthTx(
+					from,                // from
+					to,                  // to
+					nil,                 // amount
+					make([]byte, 0),     // input
+					nil,                 // gas price
+					big.NewInt(100_000), // gas fee cap
+					big.NewInt(100),     // gas tip cap
+					&emptyAccessList,    // access list
+				)
+				return suite.CreateTestTx(msg, privKey, 1, false)
+			},
+			expPass: false,
+			errMsg:  "provided fee < minimum global fee",
+		},
 	}
 
 	for _, et := range execTypes {