fix: remove max-tx-gas-wanted related config

CHANGELOG.md

@@ -46,6 +46,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (rpc) [#1773](https://github.com/evmos/ethermint/pull/1773) Avoid channel get changed when concurrent subscribe happens.
 - (rpc) [#1781](https://github.com/evmos/ethermint/pull/1781) Fix decode log for multi topics in websocket subscribe.
 * (mempool) [#310](https://github.com/crypto-org-chain/ethermint/pull/310) disable vesting messages in check tx mode.
+* (ante) [#323](https://github.com/crypto-org-chain/ethermint/pull/323) remove MaxTxGasWanted configurable.
 
 ### Features
 

app/ante/eth.go

@@ -146,18 +146,15 @@ func (avd EthAccountVerificationDecorator) AnteHandle(
 // EthGasConsumeDecorator validates enough intrinsic gas for the transaction and
 // gas consumption.
 type EthGasConsumeDecorator struct {
-	evmKeeper    EVMKeeper
-	maxGasWanted uint64
+	evmKeeper EVMKeeper
 }
 
 // NewEthGasConsumeDecorator creates a new EthGasConsumeDecorator
 func NewEthGasConsumeDecorator(
 	evmKeeper EVMKeeper,
-	maxGasWanted uint64,
 ) EthGasConsumeDecorator {
 	return EthGasConsumeDecorator{
 		evmKeeper,
-		maxGasWanted,
 	}
 }
 
@@ -201,18 +198,7 @@ func (egcd EthGasConsumeDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simula
 		if err != nil {
 			return ctx, sdkerrors.Wrap(err, "failed to unpack tx data")
 		}
-
-		if ctx.IsCheckTx() && egcd.maxGasWanted != 0 {
-			// We can't trust the tx gas limit, because we'll refund the unused gas.
-			if txData.GetGas() > egcd.maxGasWanted {
-				gasWanted += egcd.maxGasWanted
-			} else {
-				gasWanted += txData.GetGas()
-			}
-		} else {
-			gasWanted += txData.GetGas()
-		}
-
+		gasWanted += txData.GetGas()
 		fees, priority, err := egcd.evmKeeper.DeductTxCostsFromUserBalance(
 			ctx,
 			*msgEthTx,

app/ante/eth_test.go

@@ -7,7 +7,6 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
 	"github.com/evmos/ethermint/app/ante"
-	"github.com/evmos/ethermint/server/config"
 	"github.com/evmos/ethermint/tests"
 	"github.com/evmos/ethermint/x/evm/statedb"
 	evmtypes "github.com/evmos/ethermint/x/evm/types"
@@ -213,7 +212,7 @@ func (suite AnteTestSuite) TestEthNonceVerificationDecorator() {
 }
 
 func (suite AnteTestSuite) TestEthGasConsumeDecorator() {
-	dec := ante.NewEthGasConsumeDecorator(suite.app.EvmKeeper, config.DefaultMaxTxGasWanted)
+	dec := ante.NewEthGasConsumeDecorator(suite.app.EvmKeeper)
 
 	addr := tests.GenerateAddress()
 

app/ante/handler_options.go

@@ -25,7 +25,6 @@ type HandlerOptions struct {
 	FeegrantKeeper         ante.FeegrantKeeper
 	SignModeHandler        authsigning.SignModeHandler
 	SigGasConsumer         func(meter sdk.GasMeter, sig signing.SignatureV2, params authtypes.Params) error
-	MaxTxGasWanted         uint64
 	ExtensionOptionChecker ante.ExtensionOptionChecker
 	TxFeeChecker           ante.TxFeeChecker
 	Blacklist              []string
@@ -60,7 +59,7 @@ func newEthAnteHandler(options HandlerOptions, extra sdk.AnteDecorator) sdk.Ante
 		NewEthSigVerificationDecorator(options.EvmKeeper),
 		NewEthAccountVerificationDecorator(options.AccountKeeper, options.EvmKeeper),
 		NewCanTransferDecorator(options.EvmKeeper),
-		NewEthGasConsumeDecorator(options.EvmKeeper, options.MaxTxGasWanted),
+		NewEthGasConsumeDecorator(options.EvmKeeper),
 		NewEthIncrementSenderSequenceDecorator(options.AccountKeeper), // innermost AnteDecorator.
 		NewGasWantedDecorator(options.EvmKeeper, options.FeeMarketKeeper),
 		NewEthEmitEventDecorator(options.EvmKeeper), // emit eth tx hash and index at the very last ante handler.

app/app.go

@@ -611,7 +611,7 @@ func NewEthermintApp(
 	app.SetInitChainer(app.InitChainer)
 	app.SetBeginBlocker(app.BeginBlocker)
 	app.SetEndBlocker(app.EndBlocker)
-	app.setAnteHandler(encodingConfig.TxConfig, cast.ToUint64(appOpts.Get(srvflags.EVMMaxTxGasWanted)))
+	app.setAnteHandler(encodingConfig.TxConfig)
 	// In v0.46, the SDK introduces _postHandlers_. PostHandlers are like
 	// antehandlers, but are run _after_ the `runMsgs` execution. They are also
 	// defined as a chain, and have the same signature as antehandlers.
@@ -640,7 +640,7 @@ func NewEthermintApp(
 }
 
 // use Ethermint's custom AnteHandler
-func (app *EthermintApp) setAnteHandler(txConfig client.TxConfig, maxGasWanted uint64) {
+func (app *EthermintApp) setAnteHandler(txConfig client.TxConfig) {
 	anteHandler, err := ante.NewAnteHandler(ante.HandlerOptions{
 		AccountKeeper:          app.AccountKeeper,
 		BankKeeper:             app.BankKeeper,
@@ -650,7 +650,6 @@ func (app *EthermintApp) setAnteHandler(txConfig client.TxConfig, maxGasWanted u
 		IBCKeeper:              app.IBCKeeper,
 		EvmKeeper:              app.EvmKeeper,
 		FeeMarketKeeper:        app.FeeMarketKeeper,
-		MaxTxGasWanted:         maxGasWanted,
 		ExtensionOptionChecker: ethermint.HasDynamicFeeExtensionOption,
 		TxFeeChecker:           ante.NewDynamicFeeChecker(app.EvmKeeper),
 	})

app/simulation_test.go

@@ -77,7 +77,6 @@ func NewSimApp(logger log.Logger, db dbm.DB) (*EthermintApp, error) {
 		IBCKeeper:       app.IBCKeeper,
 		EvmKeeper:       app.EvmKeeper,
 		FeeMarketKeeper: app.FeeMarketKeeper,
-		MaxTxGasWanted:  0,
 	})
 	if err != nil {
 		return nil, err

server/config/config.go

@@ -34,8 +34,6 @@ const (
 	// DefaultFixRevertGasRefundHeight is the default height at which to overwrite gas refund
 	DefaultFixRevertGasRefundHeight = 0
 
-	DefaultMaxTxGasWanted = 0
-
 	DefaultGasCap uint64 = 25000000
 
 	DefaultFilterCap int32 = 200
@@ -82,8 +80,6 @@ type EVMConfig struct {
 	// Tracer defines vm.Tracer type that the EVM will use if the node is run in
 	// trace mode. Default: 'json'.
 	Tracer string `mapstructure:"tracer"`
-	// MaxTxGasWanted defines the gas wanted for each eth tx returned in ante handler in check tx mode.
-	MaxTxGasWanted uint64 `mapstructure:"max-tx-gas-wanted"`
 }
 
 // JSONRPCConfig defines configuration for the EVM RPC server.
@@ -186,8 +182,7 @@ func DefaultConfig() *Config {
 // DefaultEVMConfig returns the default EVM configuration
 func DefaultEVMConfig() *EVMConfig {
 	return &EVMConfig{
-		Tracer:         DefaultEVMTracer,
-		MaxTxGasWanted: DefaultMaxTxGasWanted,
+		Tracer: DefaultEVMTracer,
 	}
 }
 
@@ -321,8 +316,7 @@ func GetConfig(v *viper.Viper) (Config, error) {
 	return Config{
 		Config: cfg,
 		EVM: EVMConfig{
-			Tracer:         v.GetString("evm.tracer"),
-			MaxTxGasWanted: v.GetUint64("evm.max-tx-gas-wanted"),
+			Tracer: v.GetString("evm.tracer"),
 		},
 		JSONRPC: JSONRPCConfig{
 			Enable:                   v.GetBool("json-rpc.enable"),

server/config/toml.go

@@ -13,9 +13,6 @@ const DefaultConfigTemplate = `
 # Valid types are: json|struct|access_list|markdown
 tracer = "{{ .EVM.Tracer }}"
 
-# MaxTxGasWanted defines the gas wanted for each eth tx returned in ante handler in check tx mode.
-max-tx-gas-wanted = {{ .EVM.MaxTxGasWanted }}
-
 ###############################################################################
 ###                           JSON RPC Configuration                        ###
 ###############################################################################

server/flags/flags.go

@@ -60,8 +60,7 @@ const (
 
 // EVM flags
 const (
-	EVMTracer         = "evm.tracer"
-	EVMMaxTxGasWanted = "evm.max-tx-gas-wanted"
+	EVMTracer = "evm.tracer"
 )
 
 // TLS flags

server/start.go

@@ -200,7 +200,6 @@ which accepts a path for the resulting pprof file.
 	cmd.Flags().Bool(srvflags.JSONRPCEnableMetrics, false, "Define if EVM rpc metrics server should be enabled")
 
 	cmd.Flags().String(srvflags.EVMTracer, config.DefaultEVMTracer, "the EVM tracer type to collect execution traces from the EVM transaction execution (json|struct|access_list|markdown)") //nolint:lll
-	cmd.Flags().Uint64(srvflags.EVMMaxTxGasWanted, config.DefaultMaxTxGasWanted, "the gas wanted for each eth tx returned in ante handler in check tx mode")                                 //nolint:lll
 
 	cmd.Flags().String(srvflags.TLSCertPath, "", "the cert.pem file path for the server TLS configuration")
 	cmd.Flags().String(srvflags.TLSKeyPath, "", "the key.pem file path for the server TLS configuration")

tests/integration_tests/test_websockets.py

@@ -13,7 +13,6 @@
     CONTRACTS,
     build_batch_tx,
     deploy_contract,
-    modify_command_in_supervisor_config,
     wait_for_new_blocks,
     wait_for_port,
 )
@@ -83,11 +82,6 @@ def test_subscribe_basic(ethermint: Ethermint):
     """
     test basic subscribe and unsubscribe
     """
-    modify_command_in_supervisor_config(
-        ethermint.base_dir / "tasks.ini",
-        lambda cmd: f"{cmd} --evm.max-tx-gas-wanted {0}",
-    )
-    ethermint.supervisorctl("update")
     wait_for_port(ports.evmrpc_ws_port(ethermint.base_port(0)))
     cli = ethermint.cosmos_cli()
     loop = asyncio.get_event_loop()