add flag

cmd/geth/main.go

@@ -188,6 +188,8 @@ var (
 		utils.AllowUnprotectedTxs,
 		utils.BatchRequestLimit,
 		utils.BatchResponseMaxSize,
+		utils.RPCTxSyncDefaultFlag,
+		utils.RPCTxSyncMaxFlag,
 	}
 
 	metricsFlags = []cli.Flag{

cmd/utils/flags.go

@@ -615,6 +615,18 @@ var (
 		Value:    ethconfig.Defaults.LogQueryLimit,
 		Category: flags.APICategory,
 	}
+	RPCTxSyncDefaultFlag = &cli.DurationFlag{
+		Name:     "rpc.txsync.default",
+		Usage:    "Default timeout for eth_sendRawTransactionSync (e.g. 2s, 500ms)",
+		Value:    ethconfig.Defaults.TxSyncDefaultTimeout,
+		Category: flags.APICategory,
+	}
+	RPCTxSyncMaxFlag = &cli.DurationFlag{
+		Name:     "rpc.txsync.max",
+		Usage:    "Maximum allowed timeout for eth_sendRawTransactionSync (e.g. 5m)",
+		Value:    ethconfig.Defaults.TxSyncMaxTimeout,
+		Category: flags.APICategory,
+	}
 	// Authenticated RPC HTTP settings
 	AuthListenFlag = &cli.StringFlag{
 		Name:     "authrpc.addr",
@@ -1717,6 +1729,12 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	if ctx.IsSet(RPCGlobalLogQueryLimit.Name) {
 		cfg.LogQueryLimit = ctx.Int(RPCGlobalLogQueryLimit.Name)
 	}
+	if ctx.IsSet(RPCTxSyncDefaultFlag.Name) {
+		cfg.TxSyncDefaultTimeout = ctx.Duration(RPCTxSyncDefaultFlag.Name)
+	}
+	if ctx.IsSet(RPCTxSyncMaxFlag.Name) {
+		cfg.TxSyncMaxTimeout = ctx.Duration(RPCTxSyncMaxFlag.Name)
+	}
 	if !ctx.Bool(SnapshotFlag.Name) || cfg.SnapshotCache == 0 {
 		// If snap-sync is requested, this flag is also required
 		if cfg.SyncMode == ethconfig.SnapSync {

eth/ethconfig/config.go

@@ -49,27 +49,29 @@ var FullNodeGPO = gasprice.Config{
 
 // Defaults contains default settings for use on the Ethereum main net.
 var Defaults = Config{
-	HistoryMode:        history.KeepAll,
-	SyncMode:           SnapSync,
-	NetworkId:          0, // enable auto configuration of networkID == chainID
-	TxLookupLimit:      2350000,
-	TransactionHistory: 2350000,
-	LogHistory:         2350000,
-	StateHistory:       params.FullImmutabilityThreshold,
-	DatabaseCache:      512,
-	TrieCleanCache:     154,
-	TrieDirtyCache:     256,
-	TrieTimeout:        60 * time.Minute,
-	SnapshotCache:      102,
-	FilterLogCacheSize: 32,
-	LogQueryLimit:      1000,
-	Miner:              miner.DefaultConfig,
-	TxPool:             legacypool.DefaultConfig,
-	BlobPool:           blobpool.DefaultConfig,
-	RPCGasCap:          50000000,
-	RPCEVMTimeout:      5 * time.Second,
-	GPO:                FullNodeGPO,
-	RPCTxFeeCap:        1, // 1 ether
+	HistoryMode:          history.KeepAll,
+	SyncMode:             SnapSync,
+	NetworkId:            0, // enable auto configuration of networkID == chainID
+	TxLookupLimit:        2350000,
+	TransactionHistory:   2350000,
+	LogHistory:           2350000,
+	StateHistory:         params.FullImmutabilityThreshold,
+	DatabaseCache:        512,
+	TrieCleanCache:       154,
+	TrieDirtyCache:       256,
+	TrieTimeout:          60 * time.Minute,
+	SnapshotCache:        102,
+	FilterLogCacheSize:   32,
+	LogQueryLimit:        1000,
+	Miner:                miner.DefaultConfig,
+	TxPool:               legacypool.DefaultConfig,
+	BlobPool:             blobpool.DefaultConfig,
+	RPCGasCap:            50000000,
+	RPCEVMTimeout:        5 * time.Second,
+	GPO:                  FullNodeGPO,
+	RPCTxFeeCap:          1, // 1 ether
+	TxSyncDefaultTimeout: 20 * time.Second,
+	TxSyncMaxTimeout:     1 * time.Minute,
 }
 
 //go:generate go run github.com/fjl/gencodec -type Config -formats toml -out gen_config.go
@@ -183,6 +185,10 @@ type Config struct {
 
 	// OverrideVerkle (TODO: remove after the fork)
 	OverrideVerkle *uint64 `toml:",omitempty"`
+
+	// EIP-7966: eth_sendRawTransactionSync timeouts
+	TxSyncDefaultTimeout time.Duration `toml:",omitempty"`
+	TxSyncMaxTimeout     time.Duration `toml:",omitempty"`
 }
 
 // CreateConsensusEngine creates a consensus engine for the given chain config.