make MaxTxGasWanted configurable (#1004)

server/config/config.go

@@ -28,6 +28,8 @@ const (
 	// DefaultEVMTracer is the default vm.Tracer type
 	DefaultEVMTracer = ""
 
+	DefaultMaxTxGasWanted = 500000
+
 	DefaultGasCap uint64 = 25000000
 
 	DefaultFilterCap int32 = 200
@@ -64,6 +66,8 @@ 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.
@@ -152,7 +156,8 @@ func DefaultConfig() *Config {
 // DefaultEVMConfig returns the default EVM configuration
 func DefaultEVMConfig() *EVMConfig {
 	return &EVMConfig{
-		Tracer: DefaultEVMTracer,
+		Tracer:         DefaultEVMTracer,
+		MaxTxGasWanted: DefaultMaxTxGasWanted,
 	}
 }
 
@@ -277,7 +282,8 @@ func GetConfig(v *viper.Viper) Config {
 	return Config{
 		Config: cfg,
 		EVM: EVMConfig{
-			Tracer: v.GetString("evm.tracer"),
+			Tracer:         v.GetString("evm.tracer"),
+			MaxTxGasWanted: v.GetUint64("evm.max-tx-gas-wanted"),
 		},
 		JSONRPC: JSONRPCConfig{
 			Enable:          v.GetBool("json-rpc.enable"),

server/config/toml.go

@@ -13,6 +13,9 @@ 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

@@ -48,7 +48,8 @@ const (
 
 // EVM flags
 const (
-	EVMTracer = "evm.tracer"
+	EVMTracer         = "evm.tracer"
+	EVMMaxTxGasWanted = "evm.max-tx-gas-wanted"
 )
 
 // TLS flags

server/start.go

@@ -166,6 +166,7 @@ which accepts a path for the resulting pprof file.
 	cmd.Flags().Int32(srvflags.JSONRPCBlockRangeCap, config.DefaultBlockRangeCap, "Sets the max block range allowed for `eth_getLogs` query")
 
 	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)")
+	cmd.Flags().Uint64(srvflags.EVMMaxTxGasWanted, config.DefaultMaxTxGasWanted, "the gas wanted for each eth tx returned in ante handler in check tx mode")
 
 	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")