package ante_test import ( "errors" "math/big" "strings" sdkmath "cosmossdk.io/math" "github.com/cosmos/cosmos-sdk/types/tx/signing" authtypes "github.com/cosmos/cosmos-sdk/x/auth/types" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/ethereum/go-ethereum/core/types" ethparams "github.com/ethereum/go-ethereum/params" "github.com/evmos/ethermint/tests" evmtypes "github.com/evmos/ethermint/x/evm/types" ) func (suite AnteTestSuite) TestAnteHandler() { var acc authtypes.AccountI addr, privKey := tests.NewAddrKey() to := tests.GenerateAddress() setup := func() { suite.enableFeemarket = false suite.SetupTest() // reset acc = suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes()) suite.Require().NoError(acc.SetSequence(1)) suite.app.AccountKeeper.SetAccount(suite.ctx, acc) suite.app.EvmKeeper.SetBalance(suite.ctx, addr, big.NewInt(10000000000)) suite.app.FeeMarketKeeper.SetBaseFee(suite.ctx, big.NewInt(100)) } testCases := []struct { name string txFn func() sdk.Tx checkTx bool reCheckTx bool expPass bool }{ { "success - DeliverTx (contract)", func() sdk.Tx { signedContractTx := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, big.NewInt(150), big.NewInt(200), nil, nil, nil, ) signedContractTx.From = addr.Hex() tx := suite.CreateTestTx(signedContractTx, privKey, 1, false) return tx }, false, false, true, }, { "success - CheckTx (contract)", func() sdk.Tx { signedContractTx := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, big.NewInt(150), big.NewInt(200), nil, nil, nil, ) signedContractTx.From = addr.Hex() tx := suite.CreateTestTx(signedContractTx, privKey, 1, false) return tx }, true, false, true, }, { "success - ReCheckTx (contract)", func() sdk.Tx { signedContractTx := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, big.NewInt(150), big.NewInt(200), nil, nil, nil, ) signedContractTx.From = addr.Hex() tx := suite.CreateTestTx(signedContractTx, privKey, 1, false) return tx }, false, true, true, }, { "success - DeliverTx", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, big.NewInt(150), big.NewInt(200), nil, nil, nil, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, false, false, true, }, { "success - CheckTx", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, big.NewInt(150), big.NewInt(200), nil, nil, nil, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, true, false, true, }, { "success - ReCheckTx", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, big.NewInt(150), big.NewInt(200), nil, nil, nil, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, false, true, true, }, { "success - CheckTx (cosmos tx not signed)", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, big.NewInt(150), big.NewInt(200), nil, nil, nil, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, false, true, true, }, { "fail - CheckTx (cosmos tx is not valid)", func() sdk.Tx { signedTx := evmtypes.NewTx(suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, big.NewInt(1), nil, nil, nil, nil) signedTx.From = addr.Hex() txBuilder := suite.CreateTestTxBuilder(signedTx, privKey, 1, false) // bigger than MaxGasWanted txBuilder.SetGasLimit(uint64(1 << 63)) return txBuilder.GetTx() }, true, false, false, }, { "fail - CheckTx (memo too long)", func() sdk.Tx { signedTx := evmtypes.NewTx(suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, big.NewInt(1), nil, nil, nil, nil) signedTx.From = addr.Hex() txBuilder := suite.CreateTestTxBuilder(signedTx, privKey, 1, false) txBuilder.SetMemo(strings.Repeat("*", 257)) return txBuilder.GetTx() }, true, false, false, }, { "fail - CheckTx (ExtensionOptionsEthereumTx not set)", func() sdk.Tx { signedTx := evmtypes.NewTx(suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, big.NewInt(1), nil, nil, nil, nil) signedTx.From = addr.Hex() txBuilder := suite.CreateTestTxBuilder(signedTx, privKey, 1, false, true) return txBuilder.GetTx() }, true, false, false, }, // Based on EVMBackend.SendTransaction, for cosmos tx, forcing null for some fields except ExtensionOptions, Fee, MsgEthereumTx // should be part of consensus { "fail - DeliverTx (cosmos tx signed)", func() sdk.Tx { nonce, err := suite.app.AccountKeeper.GetSequence(suite.ctx, acc.GetAddress()) suite.Require().NoError(err) signedTx := evmtypes.NewTx(suite.app.EvmKeeper.ChainID(), nonce, &to, big.NewInt(10), 100000, big.NewInt(1), nil, nil, nil, nil) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, true) return tx }, false, false, false, }, { "fail - DeliverTx (cosmos tx with memo)", func() sdk.Tx { nonce, err := suite.app.AccountKeeper.GetSequence(suite.ctx, acc.GetAddress()) suite.Require().NoError(err) signedTx := evmtypes.NewTx(suite.app.EvmKeeper.ChainID(), nonce, &to, big.NewInt(10), 100000, big.NewInt(1), nil, nil, nil, nil) signedTx.From = addr.Hex() txBuilder := suite.CreateTestTxBuilder(signedTx, privKey, 1, false) txBuilder.SetMemo("memo for cosmos tx not allowed") return txBuilder.GetTx() }, false, false, false, }, { "fail - DeliverTx (cosmos tx with timeoutheight)", func() sdk.Tx { nonce, err := suite.app.AccountKeeper.GetSequence(suite.ctx, acc.GetAddress()) suite.Require().NoError(err) signedTx := evmtypes.NewTx(suite.app.EvmKeeper.ChainID(), nonce, &to, big.NewInt(10), 100000, big.NewInt(1), nil, nil, nil, nil) signedTx.From = addr.Hex() txBuilder := suite.CreateTestTxBuilder(signedTx, privKey, 1, false) txBuilder.SetTimeoutHeight(10) return txBuilder.GetTx() }, false, false, false, }, { "fail - DeliverTx (invalid fee amount)", func() sdk.Tx { nonce, err := suite.app.AccountKeeper.GetSequence(suite.ctx, acc.GetAddress()) suite.Require().NoError(err) signedTx := evmtypes.NewTx(suite.app.EvmKeeper.ChainID(), nonce, &to, big.NewInt(10), 100000, big.NewInt(1), nil, nil, nil, nil) signedTx.From = addr.Hex() txBuilder := suite.CreateTestTxBuilder(signedTx, privKey, 1, false) txData, err := evmtypes.UnpackTxData(signedTx.Data) suite.Require().NoError(err) expFee := txData.Fee() invalidFee := new(big.Int).Add(expFee, big.NewInt(1)) invalidFeeAmount := sdk.Coins{sdk.NewCoin(evmtypes.DefaultEVMDenom, sdkmath.NewIntFromBigInt(invalidFee))} txBuilder.SetFeeAmount(invalidFeeAmount) return txBuilder.GetTx() }, false, false, false, }, { "fail - DeliverTx (invalid fee gaslimit)", func() sdk.Tx { nonce, err := suite.app.AccountKeeper.GetSequence(suite.ctx, acc.GetAddress()) suite.Require().NoError(err) signedTx := evmtypes.NewTx(suite.app.EvmKeeper.ChainID(), nonce, &to, big.NewInt(10), 100000, big.NewInt(1), nil, nil, nil, nil) signedTx.From = addr.Hex() txBuilder := suite.CreateTestTxBuilder(signedTx, privKey, 1, false) expGasLimit := signedTx.GetGas() invalidGasLimit := expGasLimit + 1 txBuilder.SetGasLimit(invalidGasLimit) return txBuilder.GetTx() }, false, false, false, }, { "success - DeliverTx EIP712 signed Cosmos Tx with MsgSend", func() sdk.Tx { from := acc.GetAddress() gas := uint64(200000) amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdkmath.NewInt(100*int64(gas)))) txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9000-1", gas, amount) return txBuilder.GetTx() }, false, false, true, }, { "success - DeliverTx EIP712 signed Cosmos Tx with DelegateMsg", func() sdk.Tx { from := acc.GetAddress() gas := uint64(200000) coinAmount := sdk.NewCoin(evmtypes.DefaultEVMDenom, sdkmath.NewInt(100*int64(gas))) amount := sdk.NewCoins(coinAmount) txBuilder := suite.CreateTestEIP712TxBuilderMsgDelegate(from, privKey, "ethermint_9000-1", gas, amount) return txBuilder.GetTx() }, false, false, true, }, { "fails - DeliverTx EIP712 signed Cosmos Tx with wrong Chain ID", func() sdk.Tx { from := acc.GetAddress() gas := uint64(200000) amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdkmath.NewInt(100*int64(gas)))) txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9002-1", gas, amount) return txBuilder.GetTx() }, false, false, false, }, { "fails - DeliverTx EIP712 signed Cosmos Tx with different gas fees", func() sdk.Tx { from := acc.GetAddress() gas := uint64(200000) amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdkmath.NewInt(100*int64(gas)))) txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9001-1", gas, amount) txBuilder.SetGasLimit(uint64(300000)) txBuilder.SetFeeAmount(sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdkmath.NewInt(30)))) return txBuilder.GetTx() }, false, false, false, }, { "fails - DeliverTx EIP712 signed Cosmos Tx with empty signature", func() sdk.Tx { from := acc.GetAddress() gas := uint64(200000) amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdkmath.NewInt(100*int64(gas)))) txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9001-1", gas, amount) sigsV2 := signing.SignatureV2{} txBuilder.SetSignatures(sigsV2) return txBuilder.GetTx() }, false, false, false, }, { "fails - DeliverTx EIP712 signed Cosmos Tx with invalid sequence", func() sdk.Tx { from := acc.GetAddress() gas := uint64(200000) amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdkmath.NewInt(100*int64(gas)))) txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9001-1", gas, amount) nonce, err := suite.app.AccountKeeper.GetSequence(suite.ctx, acc.GetAddress()) suite.Require().NoError(err) sigsV2 := signing.SignatureV2{ PubKey: privKey.PubKey(), Data: &signing.SingleSignatureData{ SignMode: signing.SignMode_SIGN_MODE_LEGACY_AMINO_JSON, }, Sequence: nonce - 1, } txBuilder.SetSignatures(sigsV2) return txBuilder.GetTx() }, false, false, false, }, { "fails - DeliverTx EIP712 signed Cosmos Tx with invalid signMode", func() sdk.Tx { from := acc.GetAddress() gas := uint64(200000) amount := sdk.NewCoins(sdk.NewCoin(evmtypes.DefaultEVMDenom, sdkmath.NewInt(100*int64(gas)))) txBuilder := suite.CreateTestEIP712TxBuilderMsgSend(from, privKey, "ethermint_9001-1", gas, amount) nonce, err := suite.app.AccountKeeper.GetSequence(suite.ctx, acc.GetAddress()) suite.Require().NoError(err) sigsV2 := signing.SignatureV2{ PubKey: privKey.PubKey(), Data: &signing.SingleSignatureData{ SignMode: signing.SignMode_SIGN_MODE_UNSPECIFIED, }, Sequence: nonce, } txBuilder.SetSignatures(sigsV2) return txBuilder.GetTx() }, false, false, false, }, { "fails - invalid from", func() sdk.Tx { msg := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, big.NewInt(150), big.NewInt(200), nil, nil, nil, ) msg.From = addr.Hex() tx := suite.CreateTestTx(msg, privKey, 1, false) msg = tx.GetMsgs()[0].(*evmtypes.MsgEthereumTx) msg.From = addr.Hex() return tx }, true, false, false, }, } for _, tc := range testCases { suite.Run(tc.name, func() { setup() suite.ctx = suite.ctx.WithIsCheckTx(tc.checkTx).WithIsReCheckTx(tc.reCheckTx) // expConsumed := params.TxGasContractCreation + params.TxGas _, err := suite.anteHandler(suite.ctx, tc.txFn(), false) // suite.Require().Equal(consumed, ctx.GasMeter().GasConsumed()) if tc.expPass { suite.Require().NoError(err) // suite.Require().Equal(int(expConsumed), int(suite.ctx.GasMeter().GasConsumed())) } else { suite.Require().Error(err) } }) } } func (suite AnteTestSuite) TestAnteHandlerWithDynamicTxFee() { addr, privKey := tests.NewAddrKey() to := tests.GenerateAddress() testCases := []struct { name string txFn func() sdk.Tx enableLondonHF bool checkTx bool reCheckTx bool expPass bool }{ { "success - DeliverTx (contract)", func() sdk.Tx { signedContractTx := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedContractTx.From = addr.Hex() tx := suite.CreateTestTx(signedContractTx, privKey, 1, false) return tx }, true, false, false, true, }, { "success - CheckTx (contract)", func() sdk.Tx { signedContractTx := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedContractTx.From = addr.Hex() tx := suite.CreateTestTx(signedContractTx, privKey, 1, false) return tx }, true, true, false, true, }, { "success - ReCheckTx (contract)", func() sdk.Tx { signedContractTx := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedContractTx.From = addr.Hex() tx := suite.CreateTestTx(signedContractTx, privKey, 1, false) return tx }, true, false, true, true, }, { "success - DeliverTx", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, true, false, false, true, }, { "success - CheckTx", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, true, true, false, true, }, { "success - ReCheckTx", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, true, false, true, true, }, { "success - CheckTx (cosmos tx not signed)", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, true, false, true, true, }, { "fail - CheckTx (cosmos tx is not valid)", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedTx.From = addr.Hex() txBuilder := suite.CreateTestTxBuilder(signedTx, privKey, 1, false) // bigger than MaxGasWanted txBuilder.SetGasLimit(uint64(1 << 63)) return txBuilder.GetTx() }, true, true, false, false, }, { "fail - CheckTx (memo too long)", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedTx.From = addr.Hex() txBuilder := suite.CreateTestTxBuilder(signedTx, privKey, 1, false) txBuilder.SetMemo(strings.Repeat("*", 257)) return txBuilder.GetTx() }, true, true, false, false, }, { "fail - DynamicFeeTx without london hark fork", func() sdk.Tx { signedContractTx := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedContractTx.From = addr.Hex() tx := suite.CreateTestTx(signedContractTx, privKey, 1, false) return tx }, false, false, false, false, }, } for _, tc := range testCases { suite.Run(tc.name, func() { suite.enableFeemarket = true suite.enableLondonHF = tc.enableLondonHF suite.SetupTest() // reset acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes()) suite.Require().NoError(acc.SetSequence(1)) suite.app.AccountKeeper.SetAccount(suite.ctx, acc) suite.ctx = suite.ctx.WithIsCheckTx(tc.checkTx).WithIsReCheckTx(tc.reCheckTx) suite.app.EvmKeeper.SetBalance(suite.ctx, addr, big.NewInt((ethparams.InitialBaseFee+10)*100000)) _, err := suite.anteHandler(suite.ctx, tc.txFn(), false) if tc.expPass { suite.Require().NoError(err) } else { suite.Require().Error(err) } }) } suite.enableFeemarket = false suite.enableLondonHF = true } func (suite AnteTestSuite) TestAnteHandlerWithParams() { addr, privKey := tests.NewAddrKey() to := tests.GenerateAddress() testCases := []struct { name string txFn func() sdk.Tx enableCall bool enableCreate bool expErr error }{ { "fail - Contract Creation Disabled", func() sdk.Tx { signedContractTx := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedContractTx.From = addr.Hex() tx := suite.CreateTestTx(signedContractTx, privKey, 1, false) return tx }, true, false, evmtypes.ErrCreateDisabled, }, { "success - Contract Creation Enabled", func() sdk.Tx { signedContractTx := evmtypes.NewTxContract( suite.app.EvmKeeper.ChainID(), 1, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedContractTx.From = addr.Hex() tx := suite.CreateTestTx(signedContractTx, privKey, 1, false) return tx }, true, true, nil, }, { "fail - EVM Call Disabled", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, false, true, evmtypes.ErrCallDisabled, }, { "success - EVM Call Enabled", func() sdk.Tx { signedTx := evmtypes.NewTx( suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, nil, big.NewInt(ethparams.InitialBaseFee+1), big.NewInt(1), nil, &types.AccessList{}, ) signedTx.From = addr.Hex() tx := suite.CreateTestTx(signedTx, privKey, 1, false) return tx }, true, true, nil, }, } for _, tc := range testCases { suite.Run(tc.name, func() { suite.evmParamsOption = func(params *evmtypes.Params) { params.EnableCall = tc.enableCall params.EnableCreate = tc.enableCreate } suite.SetupTest() // reset acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, addr.Bytes()) suite.Require().NoError(acc.SetSequence(1)) suite.app.AccountKeeper.SetAccount(suite.ctx, acc) suite.ctx = suite.ctx.WithIsCheckTx(true) suite.app.EvmKeeper.SetBalance(suite.ctx, addr, big.NewInt((ethparams.InitialBaseFee+10)*100000)) _, err := suite.anteHandler(suite.ctx, tc.txFn(), false) if tc.expErr == nil { suite.Require().NoError(err) } else { suite.Require().Error(err) suite.Require().True(errors.Is(err, tc.expErr)) } }) } suite.evmParamsOption = nil }