pool: fail fast, disable by default, no interface

* feat: modify LOCK_PERIOD_FOR_TOKEN_RECOVER to 300 seconds on BSC Testnet

* feat: update commit id in pascal hardfork

accounts/abi/bind/backend.go

@@ -24,7 +24,6 @@ import (
 	"github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
 )
 
 var (
@@ -101,7 +100,7 @@ type ContractTransactor interface {
 	PendingNonceAt(ctx context.Context, account common.Address) (uint64, error)
 
 	// SendTransactionConditional injects the conditional transaction into the pending pool for execution after verification.
-	SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts ethapi.TransactionOpts) error
+	SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts types.TransactionOpts) error
 }
 
 // DeployBackend wraps the operations needed by WaitMined and WaitDeployed.

accounts/abi/bind/base_test.go

@@ -31,7 +31,6 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/stretchr/testify/assert"
 )
@@ -76,7 +75,7 @@ func (mt *mockTransactor) SendTransaction(ctx context.Context, tx *types.Transac
 	return nil
 }
 
-func (mt *mockTransactor) SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts ethapi.TransactionOpts) error {
+func (mt *mockTransactor) SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts types.TransactionOpts) error {
 	return nil
 }
 

cmd/geth/main.go

@@ -92,6 +92,7 @@ var (
 		utils.TxPoolGlobalSlotsFlag,
 		utils.TxPoolAccountQueueFlag,
 		utils.TxPoolGlobalQueueFlag,
+		utils.TxPoolOverflowPoolSlotsFlag,
 		utils.TxPoolLifetimeFlag,
 		utils.TxPoolReannounceTimeFlag,
 		utils.BlobPoolDataDirFlag,

cmd/utils/flags.go

@@ -458,6 +458,12 @@ var (
 		Value:    ethconfig.Defaults.TxPool.GlobalQueue,
 		Category: flags.TxPoolCategory,
 	}
+	TxPoolOverflowPoolSlotsFlag = &cli.Uint64Flag{
+		Name:     "txpool.overflowpoolslots",
+		Usage:    "Maximum number of transaction slots in overflow pool",
+		Value:    ethconfig.Defaults.TxPool.OverflowPoolSlots,
+		Category: flags.TxPoolCategory,
+	}
 	TxPoolLifetimeFlag = &cli.DurationFlag{
 		Name:     "txpool.lifetime",
 		Usage:    "Maximum amount of time non-executable transaction are queued",
@@ -1789,6 +1795,9 @@ func setTxPool(ctx *cli.Context, cfg *legacypool.Config) {
 	if ctx.IsSet(TxPoolGlobalQueueFlag.Name) {
 		cfg.GlobalQueue = ctx.Uint64(TxPoolGlobalQueueFlag.Name)
 	}
+	if ctx.IsSet(TxPoolOverflowPoolSlotsFlag.Name) {
+		cfg.OverflowPoolSlots = ctx.Uint64(TxPoolOverflowPoolSlotsFlag.Name)
+	}
 	if ctx.IsSet(TxPoolLifetimeFlag.Name) {
 		cfg.Lifetime = ctx.Duration(TxPoolLifetimeFlag.Name)
 	}
@@ -2310,16 +2319,17 @@ func EnableNodeInfo(poolConfig *legacypool.Config, nodeInfo *p2p.NodeInfo) Setup
 	return func() {
 		// register node info into metrics
 		metrics.NewRegisteredLabel("node-info", nil).Mark(map[string]interface{}{
-			"Enode":        nodeInfo.Enode,
-			"ENR":          nodeInfo.ENR,
-			"ID":           nodeInfo.ID,
-			"PriceLimit":   poolConfig.PriceLimit,
-			"PriceBump":    poolConfig.PriceBump,
-			"AccountSlots": poolConfig.AccountSlots,
-			"GlobalSlots":  poolConfig.GlobalSlots,
-			"AccountQueue": poolConfig.AccountQueue,
-			"GlobalQueue":  poolConfig.GlobalQueue,
-			"Lifetime":     poolConfig.Lifetime,
+			"Enode":             nodeInfo.Enode,
+			"ENR":               nodeInfo.ENR,
+			"ID":                nodeInfo.ID,
+			"PriceLimit":        poolConfig.PriceLimit,
+			"PriceBump":         poolConfig.PriceBump,
+			"AccountSlots":      poolConfig.AccountSlots,
+			"GlobalSlots":       poolConfig.GlobalSlots,
+			"AccountQueue":      poolConfig.AccountQueue,
+			"GlobalQueue":       poolConfig.GlobalQueue,
+			"OverflowPoolSlots": poolConfig.OverflowPoolSlots,
+			"Lifetime":          poolConfig.Lifetime,
 		})
 	}
 }

core/systemcontracts/upgrade.go

@@ -781,87 +781,87 @@ func init() {
 		Configs: []*UpgradeConfig{
 			{
 				ContractAddr: common.HexToAddress(ValidatorContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetValidatorContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(SlashContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetSlashContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(SystemRewardContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetSystemRewardContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(LightClientContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetLightClientContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TokenHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetTokenHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(RelayerIncentivizeContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetRelayerIncentivizeContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(RelayerHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetRelayerHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(GovHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetGovHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TokenManagerContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetTokenManagerContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(CrossChainContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetCrossChainContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(StakingContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetStakingContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(StakeHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetStakeHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(StakeCreditContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetStakeCreditContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(GovernorContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetGovernorContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(GovTokenContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetGovTokenContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TimelockContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetTimelockContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TokenRecoverPortalContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.MainnetTokenRecoverPortalContract,
 			},
 		},
@@ -872,87 +872,87 @@ func init() {
 		Configs: []*UpgradeConfig{
 			{
 				ContractAddr: common.HexToAddress(ValidatorContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelValidatorContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(SlashContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelSlashContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(SystemRewardContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelSystemRewardContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(LightClientContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelLightClientContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TokenHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelTokenHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(RelayerIncentivizeContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelRelayerIncentivizeContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(RelayerHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelRelayerHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(GovHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelGovHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TokenManagerContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelTokenManagerContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(CrossChainContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelCrossChainContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(StakingContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelStakingContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(StakeHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelStakeHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(StakeCreditContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelStakeCreditContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(GovernorContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelGovernorContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(GovTokenContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelGovTokenContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TimelockContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelTimelockContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TokenRecoverPortalContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.ChapelTokenRecoverPortalContract,
 			},
 		},
@@ -963,87 +963,87 @@ func init() {
 		Configs: []*UpgradeConfig{
 			{
 				ContractAddr: common.HexToAddress(ValidatorContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoValidatorContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(SlashContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoSlashContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(SystemRewardContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoSystemRewardContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(LightClientContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoLightClientContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TokenHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoTokenHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(RelayerIncentivizeContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoRelayerIncentivizeContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(RelayerHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoRelayerHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(GovHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoGovHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TokenManagerContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoTokenManagerContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(CrossChainContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoCrossChainContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(StakingContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoStakingContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(StakeHubContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoStakeHubContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(StakeCreditContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoStakeCreditContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(GovernorContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoGovernorContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(GovTokenContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoGovTokenContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TimelockContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoTimelockContract,
 			},
 			{
 				ContractAddr: common.HexToAddress(TokenRecoverPortalContract),
-				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/4c03f8222f8ac13e3b6bd424e1235698282bb28d",
+				CommitUrl:    "https://github.com/bnb-chain/bsc-genesis-contract/commit/020c0459e37d1f9d635c1cff86dd1099ab1383fa",
 				Code:         pascal.RialtoTokenRecoverPortalContract,
 			},
 		},

core/txpool/legacypool/legacypool.go

@@ -19,6 +19,7 @@ package legacypool
 
 import (
 	"errors"
+	"fmt"
 	"math"
 	"math/big"
 	"sort"
@@ -99,10 +100,11 @@ var (
 	// that this number is pretty low, since txpool reorgs happen very frequently.
 	dropBetweenReorgHistogram = metrics.NewRegisteredHistogram("txpool/dropbetweenreorg", nil, metrics.NewExpDecaySample(1028, 0.015))
 
-	pendingGauge = metrics.NewRegisteredGauge("txpool/pending", nil)
-	queuedGauge  = metrics.NewRegisteredGauge("txpool/queued", nil)
-	localGauge   = metrics.NewRegisteredGauge("txpool/local", nil)
-	slotsGauge   = metrics.NewRegisteredGauge("txpool/slots", nil)
+	pendingGauge      = metrics.NewRegisteredGauge("txpool/pending", nil)
+	queuedGauge       = metrics.NewRegisteredGauge("txpool/queued", nil)
+	localGauge        = metrics.NewRegisteredGauge("txpool/local", nil)
+	slotsGauge        = metrics.NewRegisteredGauge("txpool/slots", nil)
+	OverflowPoolGauge = metrics.NewRegisteredGauge("txpool/overflowpool", nil)
 
 	reheapTimer = metrics.NewRegisteredTimer("txpool/reheap", nil)
 )
@@ -133,10 +135,11 @@ type Config struct {
 	PriceLimit uint64 // Minimum gas price to enforce for acceptance into the pool
 	PriceBump  uint64 // Minimum price bump percentage to replace an already existing transaction (nonce)
 
-	AccountSlots uint64 // Number of executable transaction slots guaranteed per account
-	GlobalSlots  uint64 // Maximum number of executable transaction slots for all accounts
-	AccountQueue uint64 // Maximum number of non-executable transaction slots permitted per account
-	GlobalQueue  uint64 // Maximum number of non-executable transaction slots for all accounts
+	AccountSlots      uint64 // Number of executable transaction slots guaranteed per account
+	GlobalSlots       uint64 // Maximum number of executable transaction slots for all accounts
+	AccountQueue      uint64 // Maximum number of non-executable transaction slots permitted per account
+	GlobalQueue       uint64 // Maximum number of non-executable transaction slots for all accounts
+	OverflowPoolSlots uint64 // Maximum number of transaction slots in overflow pool
 
 	Lifetime       time.Duration // Maximum amount of time non-executable transaction are queued
 	ReannounceTime time.Duration // Duration for announcing local pending transactions again
@@ -150,10 +153,11 @@ var DefaultConfig = Config{
 	PriceLimit: 1,
 	PriceBump:  10,
 
-	AccountSlots: 16,
-	GlobalSlots:  4096 + 1024, // urgent + floating queue capacity with 4:1 ratio
-	AccountQueue: 64,
-	GlobalQueue:  1024,
+	AccountSlots:      16,
+	GlobalSlots:       4096 + 1024, // urgent + floating queue capacity with 4:1 ratio
+	AccountQueue:      64,
+	GlobalQueue:       1024,
+	OverflowPoolSlots: 0,
 
 	Lifetime:       3 * time.Hour,
 	ReannounceTime: 10 * 365 * 24 * time.Hour,
@@ -235,6 +239,8 @@ type LegacyPool struct {
 	all     *lookup                      // All transactions to allow lookups
 	priced  *pricedList                  // All transactions sorted by price
 
+	localBufferPool *TxOverflowPool // Local buffer transactions
+
 	reqResetCh      chan *txpoolResetRequest
 	reqPromoteCh    chan *accountSet
 	queueTxEventCh  chan *types.Transaction
@@ -272,6 +278,7 @@ func New(config Config, chain BlockChain) *LegacyPool {
 		reorgDoneCh:     make(chan chan struct{}),
 		reorgShutdownCh: make(chan struct{}),
 		initDoneCh:      make(chan struct{}),
+		localBufferPool: NewTxOverflowPoolHeap(config.OverflowPoolSlots),
 	}
 	pool.locals = newAccountSet(pool.signer)
 	for _, addr := range config.Locals {
@@ -408,7 +415,6 @@ func (pool *LegacyPool) loop() {
 					if !pool.locals.contains(addr) {
 						continue
 					}
-
 					for _, tx := range list.Flatten() {
 						// Default ReannounceTime is 10 years, won't announce by default.
 						if time.Since(tx.Time()) < pool.config.ReannounceTime {
@@ -517,6 +523,17 @@ func (pool *LegacyPool) Stats() (int, int) {
 	return pool.stats()
 }
 
+func (pool *LegacyPool) statsOverflowPool() int {
+	pool.mu.RLock()
+	defer pool.mu.RUnlock()
+
+	if pool.localBufferPool == nil {
+		return 0
+	}
+
+	return pool.localBufferPool.Size()
+}
+
 // stats retrieves the current pool stats, namely the number of pending and the
 // number of queued (non-executable) transactions.
 func (pool *LegacyPool) stats() (int, int) {
@@ -831,6 +848,8 @@ func (pool *LegacyPool) add(tx *types.Transaction, local bool) (replaced bool, e
 			}
 		}
 
+		pool.addToOverflowPool(drop, isLocal)
+
 		// Kick out the underpriced remote transactions.
 		for _, tx := range drop {
 			log.Trace("Discarding freshly underpriced transaction", "hash", tx.Hash(), "gasTipCap", tx.GasTipCap(), "gasFeeCap", tx.GasFeeCap())
@@ -887,6 +906,29 @@ func (pool *LegacyPool) add(tx *types.Transaction, local bool) (replaced bool, e
 	return replaced, nil
 }
 
+func (pool *LegacyPool) addToOverflowPool(drop types.Transactions, isLocal bool) {
+	// calculate total number of slots in drop. Accordingly add them to OverflowPool (if there is space)
+	availableSlotsOverflowPool := pool.availableSlotsOverflowPool()
+	if availableSlotsOverflowPool > 0 {
+		// transfer availableSlotsOverflowPool number of transactions slots from drop to OverflowPool
+		currentSlotsUsed := 0
+		for i, tx := range drop {
+			txSlots := numSlots(tx)
+			if currentSlotsUsed+txSlots <= availableSlotsOverflowPool {
+				from, _ := types.Sender(pool.signer, tx)
+				pool.localBufferPool.Add(tx)
+				log.Debug("adding to OverflowPool", "transaction", tx.Hash().String(), "from", from.String())
+				currentSlotsUsed += txSlots
+			} else {
+				log.Debug("not all got added to OverflowPool", "totalAdded", i+1)
+				return
+			}
+		}
+	} else {
+		log.Debug("adding to OverflowPool unsuccessful", "availableSlotsOverflowPool", availableSlotsOverflowPool)
+	}
+}
+
 // isGapped reports whether the given transaction is immediately executable.
 func (pool *LegacyPool) isGapped(from common.Address, tx *types.Transaction) bool {
 	// Short circuit if transaction falls within the scope of the pending list
@@ -1333,7 +1375,6 @@ func (pool *LegacyPool) runReorg(done chan struct{}, reset *txpoolResetRequest,
 		reorgDurationTimer.Update(time.Since(t0))
 	}(time.Now())
 	defer close(done)
-
 	var promoteAddrs []common.Address
 	if dirtyAccounts != nil && reset == nil {
 		// Only dirty accounts need to be promoted, unless we're resetting.
@@ -1391,6 +1432,9 @@ func (pool *LegacyPool) runReorg(done chan struct{}, reset *txpoolResetRequest,
 	pool.changesSinceReorg = 0 // Reset change counter
 	pool.mu.Unlock()
 
+	// Transfer transactions from OverflowPool to MainPool for new block import
+	pool.transferTransactions()
+
 	// Notify subsystems for newly added transactions
 	for _, tx := range promoted {
 		addr, _ := types.Sender(pool.signer, tx)
@@ -2038,3 +2082,50 @@ func (t *lookup) RemotesBelowTip(threshold *big.Int) types.Transactions {
 func numSlots(tx *types.Transaction) int {
 	return int((tx.Size() + txSlotSize - 1) / txSlotSize)
 }
+
+// transferTransactions moves transactions from OverflowPool to MainPool
+func (pool *LegacyPool) transferTransactions() {
+	// Fail fast if the overflow pool is empty
+	if pool.localBufferPool.Size() == 0 {
+		return
+	}
+
+	maxMainPoolSize := int(pool.config.GlobalSlots + pool.config.GlobalQueue)
+	// Use pool.all.Slots() to get the total slots used by all transactions
+	currentMainPoolSize := pool.all.Slots()
+	if currentMainPoolSize >= maxMainPoolSize {
+		return
+	}
+
+	extraSlots := maxMainPoolSize - currentMainPoolSize
+	extraTransactions := (extraSlots + 3) / 4 // Since a transaction can take up to 4 slots
+	log.Debug("Will attempt to transfer from OverflowPool to MainPool", "transactions", extraTransactions)
+	txs := pool.localBufferPool.Flush(extraTransactions)
+	if len(txs) == 0 {
+		return
+	}
+
+	pool.Add(txs, true, false)
+}
+
+func (pool *LegacyPool) availableSlotsOverflowPool() int {
+	maxOverflowPoolSize := int(pool.config.OverflowPoolSlots)
+	availableSlots := maxOverflowPoolSize - pool.localBufferPool.Size()
+	if availableSlots > 0 {
+		return availableSlots
+	}
+	return 0
+}
+
+func (pool *LegacyPool) PrintTxStats() {
+	for _, l := range pool.pending {
+		for _, transaction := range l.txs.items {
+			from, _ := types.Sender(pool.signer, transaction)
+			fmt.Println("from: ", from, " Pending:", transaction.Hash().String(), transaction.GasFeeCap(), transaction.GasTipCap())
+		}
+	}
+
+	pool.localBufferPool.PrintTxStats()
+	fmt.Println("length of all: ", pool.all.Slots())
+	fmt.Println("----------------------------------------------------")
+}

core/txpool/legacypool/legacypool_test.go

@@ -40,6 +40,7 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/trie"
 	"github.com/holiman/uint256"
+	"github.com/stretchr/testify/assert"
 )
 
 var (
@@ -1739,6 +1740,7 @@ func TestRepricingKeepsLocals(t *testing.T) {
 // Note, local transactions are never allowed to be dropped.
 func TestUnderpricing(t *testing.T) {
 	t.Parallel()
+	testTxPoolConfig.OverflowPoolSlots = 5
 
 	// Create the pool to test the pricing enforcement with
 	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
@@ -1931,6 +1933,8 @@ func TestUnderpricingDynamicFee(t *testing.T) {
 	pool.config.GlobalSlots = 2
 	pool.config.GlobalQueue = 2
 
+	pool.config.OverflowPoolSlots = 0
+
 	// Keep track of transaction events to ensure all executables get announced
 	events := make(chan core.NewTxsEvent, 32)
 	sub := pool.txFeed.Subscribe(events)
@@ -1955,7 +1959,6 @@ func TestUnderpricingDynamicFee(t *testing.T) {
 	// Import the batch and that both pending and queued transactions match up
 	pool.addRemotes(txs) // Pend K0:0, K0:1; Que K1:1
 	pool.addLocal(ltx)   // +K2:0 => Pend K0:0, K0:1, K2:0; Que K1:1
-
 	pending, queued := pool.Stats()
 	if pending != 3 {
 		t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 3)
@@ -1995,9 +1998,9 @@ func TestUnderpricingDynamicFee(t *testing.T) {
 		t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 2)
 	}
 	if queued != 2 {
-		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 2)
+		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
 	}
-	if err := validateEvents(events, 2); err != nil {
+	if err := validateEvents(events, 2); err != nil { // todo make it 4...After this validateEvents the pending becomes 3?!
 		t.Fatalf("additional event firing failed: %v", err)
 	}
 	if err := validatePoolInternals(pool); err != nil {
@@ -2012,11 +2015,12 @@ func TestUnderpricingDynamicFee(t *testing.T) {
 	if err := pool.addLocal(ltx); err != nil {
 		t.Fatalf("failed to add new underpriced local transaction: %v", err)
 	}
+
 	pending, queued = pool.Stats()
-	if pending != 3 {
+	if pending != 3 { // 3
 		t.Fatalf("pending transactions mismatched: have %d, want %d", pending, 3)
 	}
-	if queued != 1 {
+	if queued != 1 { // 1
 		t.Fatalf("queued transactions mismatched: have %d, want %d", queued, 1)
 	}
 	if err := validateEvents(events, 2); err != nil {
@@ -2032,41 +2036,51 @@ func TestUnderpricingDynamicFee(t *testing.T) {
 func TestDualHeapEviction(t *testing.T) {
 	t.Parallel()
 
+	testTxPoolConfig.OverflowPoolSlots = 1
 	pool, _ := setupPoolWithConfig(eip1559Config)
 	defer pool.Close()
 
-	pool.config.GlobalSlots = 10
-	pool.config.GlobalQueue = 10
+	pool.config.GlobalSlots = 2
+	pool.config.GlobalQueue = 2
+	pool.config.OverflowPoolSlots = 1
 
 	var (
 		highTip, highCap *types.Transaction
 		baseFee          int
+		highCapValue     int64
+		highTipValue     int64
 	)
 
 	check := func(tx *types.Transaction, name string) {
 		if pool.all.GetRemote(tx.Hash()) == nil {
-			t.Fatalf("highest %s transaction evicted from the pool", name)
+			t.Fatalf("highest %s transaction evicted from the pool, gasTip: %s, gasFeeCap: %s, hash: %s", name, highTip.GasTipCap().String(), highCap.GasFeeCap().String(), tx.Hash().String())
 		}
 	}
 
 	add := func(urgent bool) {
-		for i := 0; i < 20; i++ {
+		for i := 0; i < 4; i++ {
 			var tx *types.Transaction
 			// Create a test accounts and fund it
 			key, _ := crypto.GenerateKey()
 			testAddBalance(pool, crypto.PubkeyToAddress(key.PublicKey), big.NewInt(1000000000000))
 			if urgent {
 				tx = dynamicFeeTx(0, 100000, big.NewInt(int64(baseFee+1+i)), big.NewInt(int64(1+i)), key)
-				highTip = tx
+				if int64(1+i) > highTipValue || (int64(1+i) == highTipValue && int64(baseFee+1+i) > highTip.GasFeeCap().Int64()) {
+					highTipValue = int64(1 + i)
+					highTip = tx
+				}
 			} else {
 				tx = dynamicFeeTx(0, 100000, big.NewInt(int64(baseFee+200+i)), big.NewInt(1), key)
-				highCap = tx
+				if int64(baseFee+200+i) > highCapValue {
+					highCapValue = int64(baseFee + 200 + i)
+					highCap = tx
+				}
 			}
 			pool.addRemotesSync([]*types.Transaction{tx})
 		}
 		pending, queued := pool.Stats()
-		if pending+queued != 20 {
-			t.Fatalf("transaction count mismatch: have %d, want %d", pending+queued, 10)
+		if pending+queued != 4 {
+			t.Fatalf("transaction count mismatch: have %d, want %d, pending %d, queued %d, OverflowPool %d", pending+queued, 5, pending, queued, pool.localBufferPool.Size())
 		}
 	}
 
@@ -2231,6 +2245,50 @@ func TestReplacement(t *testing.T) {
 	}
 }
 
+func TestTransferTransactions(t *testing.T) {
+	t.Parallel()
+	testTxPoolConfig.OverflowPoolSlots = 1
+	pool, _ := setupPoolWithConfig(eip1559Config)
+	defer pool.Close()
+
+	pool.config.GlobalSlots = 1
+	pool.config.GlobalQueue = 2
+
+	// Create a number of test accounts and fund them
+	keys := make([]*ecdsa.PrivateKey, 5)
+	for i := 0; i < len(keys); i++ {
+		keys[i], _ = crypto.GenerateKey()
+		testAddBalance(pool, crypto.PubkeyToAddress(keys[i].PublicKey), big.NewInt(1000000))
+	}
+
+	tx := dynamicFeeTx(0, 100000, big.NewInt(3), big.NewInt(2), keys[0])
+	from, _ := types.Sender(pool.signer, tx)
+	pool.addToOverflowPool([]*types.Transaction{tx}, true)
+	pending, queue := pool.Stats()
+
+	assert.Equal(t, 0, pending, "pending transactions mismatched")
+	assert.Equal(t, 0, queue, "queued transactions mismatched")
+	assert.Equal(t, 1, pool.statsOverflowPool(), "OverflowPool size unexpected")
+
+	tx2 := dynamicFeeTx(0, 100000, big.NewInt(3), big.NewInt(2), keys[1])
+	pool.addToOverflowPool([]*types.Transaction{tx2}, true)
+	assert.Equal(t, 1, pool.statsOverflowPool(), "OverflowPool size unexpected")
+	<-pool.requestPromoteExecutables(newAccountSet(pool.signer, from))
+	pending, queue = pool.Stats()
+
+	assert.Equal(t, 0, pending, "pending transactions mismatched")
+	assert.Equal(t, 1, queue, "queued transactions mismatched")
+	assert.Equal(t, 0, pool.statsOverflowPool(), "OverflowPool size unexpected")
+
+	tx3 := dynamicFeeTx(0, 100000, big.NewInt(3), big.NewInt(2), keys[2])
+	pool.addToOverflowPool([]*types.Transaction{tx3}, true)
+	pending, queue = pool.Stats()
+
+	assert.Equal(t, 1, pending, "pending transactions mismatched")
+	assert.Equal(t, 0, queue, "queued transactions mismatched")
+	assert.Equal(t, 1, pool.statsOverflowPool(), "OverflowPool size unexpected")
+}
+
 // Tests that the pool rejects replacement dynamic fee transactions that don't
 // meet the minimum price bump required.
 func TestReplacementDynamicFee(t *testing.T) {

core/txpool/legacypool/tx_overflowpool.go

@@ -0,0 +1,171 @@
+package legacypool
+
+import (
+	"container/heap"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+)
+
+// txHeapItem implements the Interface interface (https://pkg.go.dev/container/heap#Interface) of heap so that it can be heapified
+type txHeapItem struct {
+	tx        *types.Transaction
+	timestamp int64 // Unix timestamp (nanoseconds) of when the transaction was added
+	index     int
+}
+
+type txHeap []*txHeapItem
+
+func (h txHeap) Len() int { return len(h) }
+func (h txHeap) Less(i, j int) bool {
+	return h[i].timestamp < h[j].timestamp
+}
+func (h txHeap) Swap(i, j int) {
+	if i < 0 || j < 0 || i >= len(h) || j >= len(h) {
+		return // Silently fail if indices are out of bounds
+	}
+	h[i], h[j] = h[j], h[i]
+	if h[i] != nil {
+		h[i].index = i
+	}
+	if h[j] != nil {
+		h[j].index = j
+	}
+}
+
+func (h *txHeap) Push(x interface{}) {
+	item, ok := x.(*txHeapItem)
+	if !ok {
+		return
+	}
+	n := len(*h)
+	item.index = n
+	*h = append(*h, item)
+}
+
+func (h *txHeap) Pop() interface{} {
+	old := *h
+	n := len(old)
+	if n == 0 {
+		return nil // Return nil if the heap is empty
+	}
+	item := old[n-1]
+	old[n-1] = nil // avoid memory leak
+	*h = old[0 : n-1]
+	if item != nil {
+		item.index = -1 // for safety
+	}
+	return item
+}
+
+type TxOverflowPool struct {
+	txHeap    txHeap
+	index     map[common.Hash]*txHeapItem
+	mu        sync.RWMutex
+	maxSize   uint64
+	totalSize int
+}
+
+func NewTxOverflowPoolHeap(estimatedMaxSize uint64) *TxOverflowPool {
+	return &TxOverflowPool{
+		txHeap:  make(txHeap, 0, estimatedMaxSize),
+		index:   make(map[common.Hash]*txHeapItem, estimatedMaxSize),
+		maxSize: estimatedMaxSize,
+	}
+}
+
+func (tp *TxOverflowPool) Add(tx *types.Transaction) {
+	tp.mu.Lock()
+	defer tp.mu.Unlock()
+
+	if _, exists := tp.index[tx.Hash()]; exists {
+		// Transaction already in pool, ignore
+		return
+	}
+
+	if uint64(len(tp.txHeap)) >= tp.maxSize {
+		// Remove the oldest transaction to make space
+		oldestItem, ok := heap.Pop(&tp.txHeap).(*txHeapItem)
+		if !ok || oldestItem == nil {
+			return
+		}
+		delete(tp.index, oldestItem.tx.Hash())
+		tp.totalSize -= numSlots(oldestItem.tx)
+		OverflowPoolGauge.Dec(1)
+	}
+
+	item := &txHeapItem{
+		tx:        tx,
+		timestamp: time.Now().UnixNano(),
+	}
+	heap.Push(&tp.txHeap, item)
+	tp.index[tx.Hash()] = item
+	tp.totalSize += numSlots(tx)
+	OverflowPoolGauge.Inc(1)
+}
+
+func (tp *TxOverflowPool) Get(hash common.Hash) (*types.Transaction, bool) {
+	tp.mu.RLock()
+	defer tp.mu.RUnlock()
+	if item, ok := tp.index[hash]; ok {
+		return item.tx, true
+	}
+	return nil, false
+}
+
+func (tp *TxOverflowPool) Remove(hash common.Hash) {
+	tp.mu.Lock()
+	defer tp.mu.Unlock()
+	if item, ok := tp.index[hash]; ok {
+		heap.Remove(&tp.txHeap, item.index)
+		delete(tp.index, hash)
+		tp.totalSize -= numSlots(item.tx)
+		OverflowPoolGauge.Dec(1)
+	}
+}
+
+func (tp *TxOverflowPool) Flush(n int) []*types.Transaction {
+	tp.mu.Lock()
+	defer tp.mu.Unlock()
+	if n > tp.txHeap.Len() {
+		n = tp.txHeap.Len()
+	}
+	txs := make([]*types.Transaction, n)
+	for i := 0; i < n; i++ {
+		item, ok := heap.Pop(&tp.txHeap).(*txHeapItem)
+		if !ok || item == nil {
+			continue
+		}
+		txs[i] = item.tx
+		delete(tp.index, item.tx.Hash())
+		tp.totalSize -= numSlots(item.tx)
+	}
+
+	OverflowPoolGauge.Dec(int64(n))
+	return txs
+}
+
+func (tp *TxOverflowPool) Len() int {
+	tp.mu.RLock()
+	defer tp.mu.RUnlock()
+	return tp.txHeap.Len()
+}
+
+func (tp *TxOverflowPool) Size() int {
+	tp.mu.RLock()
+	defer tp.mu.RUnlock()
+	return tp.totalSize
+}
+
+func (tp *TxOverflowPool) PrintTxStats() {
+	tp.mu.RLock()
+	defer tp.mu.RUnlock()
+	for _, item := range tp.txHeap {
+		tx := item.tx
+		fmt.Printf("Hash: %s, Timestamp: %d, GasFeeCap: %s, GasTipCap: %s\n",
+			tx.Hash().String(), item.timestamp, tx.GasFeeCap().String(), tx.GasTipCap().String())
+	}
+}

core/txpool/legacypool/tx_overflowpool_test.go

@@ -0,0 +1,266 @@
+package legacypool
+
+import (
+	"math/big"
+	rand2 "math/rand"
+	"testing"
+	"time"
+
+	"github.com/cometbft/cometbft/libs/rand"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+)
+
+// Helper function to create a test transaction
+func createTestTx(nonce uint64, gasPrice *big.Int) *types.Transaction {
+	to := common.HexToAddress("0x1234567890123456789012345678901234567890")
+	return types.NewTransaction(nonce, to, big.NewInt(1000), 21000, gasPrice, nil)
+}
+
+func TestNewTxOverflowPoolHeap(t *testing.T) {
+	pool := NewTxOverflowPoolHeap(0)
+	if pool == nil {
+		t.Fatal("NewTxOverflowPoolHeap returned nil")
+	}
+	if pool.Len() != 0 {
+		t.Errorf("New pool should be empty, got length %d", pool.Len())
+	}
+}
+
+func TestTxOverflowPoolHeapAdd(t *testing.T) {
+	pool := NewTxOverflowPoolHeap(1)
+	tx := createTestTx(1, big.NewInt(1000))
+
+	pool.Add(tx)
+	if pool.Len() != 1 {
+		t.Errorf("Pool should have 1 transaction, got %d", pool.Len())
+	}
+
+	// Add the same transaction again
+	pool.Add(tx)
+	if pool.Len() != 1 {
+		t.Errorf("Pool should still have 1 transaction after adding duplicate, got %d", pool.Len())
+	}
+}
+
+func TestTxOverflowPoolHeapGet(t *testing.T) {
+	pool := NewTxOverflowPoolHeap(1)
+	tx := createTestTx(1, big.NewInt(1000))
+	pool.Add(tx)
+
+	gotTx, exists := pool.Get(tx.Hash())
+	if !exists {
+		t.Fatal("Get returned false for existing transaction")
+	}
+	if gotTx.Hash() != tx.Hash() {
+		t.Errorf("Get returned wrong transaction. Want %v, got %v", tx.Hash(), gotTx.Hash())
+	}
+
+	_, exists = pool.Get(common.Hash{})
+	if exists {
+		t.Error("Get returned true for non-existent transaction")
+	}
+}
+
+func TestTxOverflowPoolHeapRemove(t *testing.T) {
+	pool := NewTxOverflowPoolHeap(1)
+	tx := createTestTx(1, big.NewInt(1000))
+	pool.Add(tx)
+
+	pool.Remove(tx.Hash())
+	if pool.Len() != 0 {
+		t.Errorf("Pool should be empty after removing the only transaction, got length %d", pool.Len())
+	}
+
+	// Try to remove non-existent transaction
+	pool.Remove(common.Hash{})
+	if pool.Len() != 0 {
+		t.Error("Removing non-existent transaction should not affect pool size")
+	}
+}
+
+func TestTxOverflowPoolHeapPopN(t *testing.T) {
+	pool := NewTxOverflowPoolHeap(3)
+	tx1 := createTestTx(1, big.NewInt(1000))
+	tx2 := createTestTx(2, big.NewInt(2000))
+	tx3 := createTestTx(3, big.NewInt(3000))
+
+	pool.Add(tx1)
+	time.Sleep(time.Millisecond) // Ensure different timestamps
+	pool.Add(tx2)
+	time.Sleep(time.Millisecond)
+	pool.Add(tx3)
+
+	popped := pool.Flush(2)
+	if len(popped) != 2 {
+		t.Fatalf("PopN(2) should return 2 transactions, got %d", len(popped))
+	}
+	if popped[0].Hash() != tx1.Hash() || popped[1].Hash() != tx2.Hash() {
+		t.Error("PopN returned transactions in wrong order")
+	}
+	if pool.Len() != 1 {
+		t.Errorf("Pool should have 1 transaction left, got %d", pool.Len())
+	}
+
+	// Pop more than available
+	popped = pool.Flush(2)
+	if len(popped) != 1 {
+		t.Fatalf("PopN(2) should return 1 transaction when only 1 is left, got %d", len(popped))
+	}
+	if popped[0].Hash() != tx3.Hash() {
+		t.Error("PopN returned wrong transaction")
+	}
+	if pool.Len() != 0 {
+		t.Errorf("Pool should be empty, got length %d", pool.Len())
+	}
+}
+
+func TestTxOverflowPoolHeapOrdering(t *testing.T) {
+	pool := NewTxOverflowPoolHeap(3)
+	tx1 := createTestTx(1, big.NewInt(1000))
+	tx2 := createTestTx(2, big.NewInt(2000))
+	tx3 := createTestTx(3, big.NewInt(3000))
+
+	pool.Add(tx2)
+	time.Sleep(time.Millisecond) // Ensure different timestamps
+	pool.Add(tx1)
+	pool.Add(tx3) // Added immediately after tx1, should have same timestamp but higher sequence
+
+	popped := pool.Flush(3)
+	if len(popped) != 3 {
+		t.Fatalf("PopN(3) should return 3 transactions, got %d", len(popped))
+	}
+	if popped[0].Hash() != tx2.Hash() || popped[1].Hash() != tx1.Hash() || popped[2].Hash() != tx3.Hash() {
+		t.Error("Transactions not popped in correct order (earliest timestamp first, then by sequence)")
+	}
+}
+
+func TestTxOverflowPoolHeapLen(t *testing.T) {
+	pool := NewTxOverflowPoolHeap(2)
+	if pool.Len() != 0 {
+		t.Errorf("New pool should have length 0, got %d", pool.Len())
+	}
+
+	pool.Add(createTestTx(1, big.NewInt(1000)))
+	if pool.Len() != 1 {
+		t.Errorf("Pool should have length 1 after adding a transaction, got %d", pool.Len())
+	}
+
+	pool.Add(createTestTx(2, big.NewInt(2000)))
+	if pool.Len() != 2 {
+		t.Errorf("Pool should have length 2 after adding another transaction, got %d", pool.Len())
+	}
+
+	pool.Flush(1)
+	if pool.Len() != 1 {
+		t.Errorf("Pool should have length 1 after popping a transaction, got %d", pool.Len())
+	}
+}
+
+// Helper function to create a random test transaction
+func createRandomTestTx() *types.Transaction {
+	nonce := uint64(rand.Intn(1000000))
+	to := common.BytesToAddress(rand.Bytes(20))
+	amount := new(big.Int).Rand(rand2.New(rand2.NewSource(rand.Int63())), big.NewInt(1e18))
+	gasLimit := uint64(21000)
+	gasPrice := new(big.Int).Rand(rand2.New(rand2.NewSource(rand.Int63())), big.NewInt(1e9))
+	data := rand.Bytes(100)
+	return types.NewTransaction(nonce, to, amount, gasLimit, gasPrice, data)
+}
+
+func createRandomTestTxs(n int) []*types.Transaction {
+	txs := make([]*types.Transaction, n)
+	for i := 0; i < n; i++ {
+		txs[i] = createRandomTestTx()
+	}
+	return txs
+}
+
+// goos: darwin
+// goarch: arm64
+// pkg: github.com/ethereum/go-ethereum/core/txpool/legacypool
+// BenchmarkTxOverflowPoolHeapAdd-8              	  813326	      2858 ns/op
+func BenchmarkTxOverflowPoolHeapAdd(b *testing.B) {
+	pool := NewTxOverflowPoolHeap(uint64(b.N))
+	txs := createRandomTestTxs(b.N)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		pool.Add(txs[i])
+	}
+}
+
+// BenchmarkTxOverflowPoolHeapGet-8              	32613938	        35.63 ns/op
+func BenchmarkTxOverflowPoolHeapGet(b *testing.B) {
+	pool := NewTxOverflowPoolHeap(1000)
+	txs := createRandomTestTxs(1000)
+	for _, tx := range txs {
+		pool.Add(tx)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		pool.Get(txs[i%1000].Hash())
+	}
+}
+
+// BenchmarkTxOverflowPoolHeapRemove-8           	 3020841	       417.8 ns/op
+func BenchmarkTxOverflowPoolHeapRemove(b *testing.B) {
+	pool := NewTxOverflowPoolHeap(uint64(b.N))
+	txs := createRandomTestTxs(b.N)
+	for _, tx := range txs {
+		pool.Add(tx)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		pool.Remove(txs[i].Hash())
+	}
+}
+
+// BenchmarkTxOverflowPoolHeapFlush-8            	42963656	        29.90 ns/op
+func BenchmarkTxOverflowPoolHeapFlush(b *testing.B) {
+	pool := NewTxOverflowPoolHeap(1000)
+	txs := createRandomTestTxs(1000)
+	for _, tx := range txs {
+		pool.Add(tx)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		pool.Flush(10)
+	}
+}
+
+// BenchmarkTxOverflowPoolHeapLen-8              	79147188	        20.07 ns/op
+func BenchmarkTxOverflowPoolHeapLen(b *testing.B) {
+	pool := NewTxOverflowPoolHeap(1000)
+	txs := createRandomTestTxs(1000)
+	for _, tx := range txs {
+		pool.Add(tx)
+	}
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		pool.Len()
+	}
+}
+
+// BenchmarkTxOverflowPoolHeapAddRemove-8        	  902896	      1546 ns/op
+func BenchmarkTxOverflowPoolHeapAddRemove(b *testing.B) {
+	pool := NewTxOverflowPoolHeap(uint64(b.N))
+	txs := createRandomTestTxs(b.N)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		pool.Add(txs[i])
+		pool.Remove(txs[i].Hash())
+	}
+}
+
+// BenchmarkTxOverflowPoolHeapAddFlush-8         	   84417	     14899 ns/op
+func BenchmarkTxOverflowPoolHeapAddFlush(b *testing.B) {
+	pool := NewTxOverflowPoolHeap(uint64(b.N * 10))
+	txs := createRandomTestTxs(b.N * 10)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		for j := 0; j < 10; j++ {
+			pool.Add(txs[i*10+j])
+		}
+		pool.Flush(10)
+	}
+}

core/types/gen_tx_opts_json.go

@@ -1,10 +1,9 @@
 // Code generated by github.com/fjl/gencodec. DO NOT EDIT.
 
-package ethapi
+package types
 
 import (
 	"encoding/json"
-
 	"github.com/ethereum/go-ethereum/common/hexutil"
 )
 

core/types/transaction_options.go

@@ -0,0 +1,43 @@
+package types
+
+import (
+	"encoding/json"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+type AccountStorage struct {
+	StorageRoot  *common.Hash
+	StorageSlots map[common.Hash]common.Hash
+}
+
+func (a *AccountStorage) UnmarshalJSON(data []byte) error {
+	var hash common.Hash
+	if err := json.Unmarshal(data, &hash); err == nil {
+		a.StorageRoot = &hash
+		return nil
+	}
+	return json.Unmarshal(data, &a.StorageSlots)
+}
+
+func (a AccountStorage) MarshalJSON() ([]byte, error) {
+	if a.StorageRoot != nil {
+		return json.Marshal(*a.StorageRoot)
+	}
+	return json.Marshal(a.StorageSlots)
+}
+
+type KnownAccounts map[common.Address]AccountStorage
+
+// It is known that marshaling is broken
+// https://github.com/golang/go/issues/55890
+
+//go:generate go run github.com/fjl/gencodec -type TransactionOpts -out gen_tx_opts_json.go
+type TransactionOpts struct {
+	KnownAccounts  KnownAccounts   `json:"knownAccounts"`
+	BlockNumberMin *hexutil.Uint64 `json:"blockNumberMin,omitempty"`
+	BlockNumberMax *hexutil.Uint64 `json:"blockNumberMax,omitempty"`
+	TimestampMin   *hexutil.Uint64 `json:"timestampMin,omitempty"`
+	TimestampMax   *hexutil.Uint64 `json:"timestampMax,omitempty"`
+}

core/types/transaction_options_test.go

@@ -1,4 +1,4 @@
-package ethapi_test
+package types
 
 import (
 	"encoding/json"
@@ -7,7 +7,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
 )
 
 func ptr(hash common.Hash) *common.Hash {
@@ -23,15 +22,15 @@ func TestTransactionOptsJSONUnMarshalTrip(t *testing.T) {
 		name     string
 		input    string
 		mustFail bool
-		expected ethapi.TransactionOpts
+		expected TransactionOpts
 	}{
 		{
 			"StateRoot",
 			`{"knownAccounts":{"0x6b3A8798E5Fb9fC5603F3aB5eA2e8136694e55d0":"0x290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563"}}`,
 			false,
-			ethapi.TransactionOpts{
-				KnownAccounts: map[common.Address]ethapi.AccountStorage{
-					common.HexToAddress("0x6b3A8798E5Fb9fC5603F3aB5eA2e8136694e55d0"): ethapi.AccountStorage{
+			TransactionOpts{
+				KnownAccounts: map[common.Address]AccountStorage{
+					common.HexToAddress("0x6b3A8798E5Fb9fC5603F3aB5eA2e8136694e55d0"): AccountStorage{
 						StorageRoot: ptr(common.HexToHash("0x290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563")),
 					},
 				},
@@ -41,9 +40,9 @@ func TestTransactionOptsJSONUnMarshalTrip(t *testing.T) {
 			"StorageSlots",
 			`{"knownAccounts":{"0x6b3A8798E5Fb9fC5603F3aB5eA2e8136694e55d0":{"0xc65a7bb8d6351c1cf70c95a316cc6a92839c986682d98bc35f958f4883f9d2a8":"0x0000000000000000000000000000000000000000000000000000000000000000"}}}`,
 			false,
-			ethapi.TransactionOpts{
-				KnownAccounts: map[common.Address]ethapi.AccountStorage{
-					common.HexToAddress("0x6b3A8798E5Fb9fC5603F3aB5eA2e8136694e55d0"): ethapi.AccountStorage{
+			TransactionOpts{
+				KnownAccounts: map[common.Address]AccountStorage{
+					common.HexToAddress("0x6b3A8798E5Fb9fC5603F3aB5eA2e8136694e55d0"): AccountStorage{
 						StorageRoot: nil,
 						StorageSlots: map[common.Hash]common.Hash{
 							common.HexToHash("0xc65a7bb8d6351c1cf70c95a316cc6a92839c986682d98bc35f958f4883f9d2a8"): common.HexToHash("0x"),
@@ -56,15 +55,15 @@ func TestTransactionOptsJSONUnMarshalTrip(t *testing.T) {
 			"EmptyObject",
 			`{"knownAccounts":{}}`,
 			false,
-			ethapi.TransactionOpts{
-				KnownAccounts: make(map[common.Address]ethapi.AccountStorage),
+			TransactionOpts{
+				KnownAccounts: make(map[common.Address]AccountStorage),
 			},
 		},
 		{
 			"EmptyStrings",
 			`{"knownAccounts":{"":""}}`,
 			true,
-			ethapi.TransactionOpts{
+			TransactionOpts{
 				KnownAccounts: nil,
 			},
 		},
@@ -72,7 +71,7 @@ func TestTransactionOptsJSONUnMarshalTrip(t *testing.T) {
 			"BlockNumberMin",
 			`{"blockNumberMin":"0x1"}`,
 			false,
-			ethapi.TransactionOpts{
+			TransactionOpts{
 				BlockNumberMin: u64Ptr(1),
 			},
 		},
@@ -80,7 +79,7 @@ func TestTransactionOptsJSONUnMarshalTrip(t *testing.T) {
 			"BlockNumberMax",
 			`{"blockNumberMin":"0x1", "blockNumberMax":"0x2"}`,
 			false,
-			ethapi.TransactionOpts{
+			TransactionOpts{
 				BlockNumberMin: u64Ptr(1),
 				BlockNumberMax: u64Ptr(2),
 			},
@@ -89,7 +88,7 @@ func TestTransactionOptsJSONUnMarshalTrip(t *testing.T) {
 			"TimestampMin",
 			`{"timestampMin":"0xffff"}`,
 			false,
-			ethapi.TransactionOpts{
+			TransactionOpts{
 				TimestampMin: u64Ptr(0xffff),
 			},
 		},
@@ -97,7 +96,7 @@ func TestTransactionOptsJSONUnMarshalTrip(t *testing.T) {
 			"TimestampMax",
 			`{"timestampMax":"0xffffff"}`,
 			false,
-			ethapi.TransactionOpts{
+			TransactionOpts{
 				TimestampMax: u64Ptr(0xffffff),
 			},
 		},
@@ -105,7 +104,7 @@ func TestTransactionOptsJSONUnMarshalTrip(t *testing.T) {
 
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			var opts ethapi.TransactionOpts
+			var opts TransactionOpts
 			err := json.Unmarshal([]byte(test.input), &opts)
 			if test.mustFail && err == nil {
 				t.Errorf("Test %s should fail", test.name)

ethclient/ethclient.go

@@ -29,7 +29,6 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
 	"github.com/ethereum/go-ethereum/rpc"
 )
 
@@ -737,7 +736,7 @@ func (ec *Client) SendTransaction(ctx context.Context, tx *types.Transaction) er
 //
 // If the transaction was a contract creation use the TransactionReceipt method to get the
 // contract address after the transaction has been mined.
-func (ec *Client) SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts ethapi.TransactionOpts) error {
+func (ec *Client) SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts types.TransactionOpts) error {
 	data, err := tx.MarshalBinary()
 	if err != nil {
 		return err

ethclient/ethclient_test.go

@@ -34,7 +34,6 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
@@ -770,9 +769,9 @@ func sendTransactionConditional(ec *Client) error {
 	}
 
 	root := common.HexToHash("0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
-	return ec.SendTransactionConditional(context.Background(), tx, ethapi.TransactionOpts{
-		KnownAccounts: map[common.Address]ethapi.AccountStorage{
-			testAddr: ethapi.AccountStorage{
+	return ec.SendTransactionConditional(context.Background(), tx, types.TransactionOpts{
+		KnownAccounts: map[common.Address]types.AccountStorage{
+			testAddr: types.AccountStorage{
 				StorageRoot: &root,
 			},
 		},

ethclient/simulated/backend.go

@@ -30,7 +30,6 @@ import (
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
 	"github.com/ethereum/go-ethereum/eth/filters"
 	"github.com/ethereum/go-ethereum/ethclient"
-	"github.com/ethereum/go-ethereum/internal/ethapi"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/params"
@@ -39,7 +38,7 @@ import (
 
 // TransactionConditionalSender injects the conditional transaction into the pending pool for execution after verification.
 type TransactionConditionalSender interface {
-	SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts ethapi.TransactionOpts) error
+	SendTransactionConditional(ctx context.Context, tx *types.Transaction, opts types.TransactionOpts) error
 }
 
 // Client exposes the methods provided by the Ethereum RPC client.

internal/ethapi/api.go

@@ -2314,7 +2314,7 @@ func (s *TransactionAPI) SendRawTransaction(ctx context.Context, input hexutil.B
 
 // SendRawTransactionConditional will add the signed transaction to the transaction pool.
 // The sender/bundler is responsible for signing the transaction
-func (s *TransactionAPI) SendRawTransactionConditional(ctx context.Context, input hexutil.Bytes, opts TransactionOpts) (common.Hash, error) {
+func (s *TransactionAPI) SendRawTransactionConditional(ctx context.Context, input hexutil.Bytes, opts types.TransactionOpts) (common.Hash, error) {
 	tx := new(types.Transaction)
 	if err := tx.UnmarshalBinary(input); err != nil {
 		return common.Hash{}, err
@@ -2324,7 +2324,7 @@ func (s *TransactionAPI) SendRawTransactionConditional(ctx context.Context, inpu
 	if state == nil || err != nil {
 		return common.Hash{}, err
 	}
-	if err := opts.Check(header.Number.Uint64(), header.Time, state); err != nil {
+	if err := TxOptsCheck(opts, header.Number.Uint64(), header.Time, state); err != nil {
 		return common.Hash{}, err
 	}
 	return SubmitTransaction(ctx, s.b, tx)

internal/ethapi/transaction_opts_utils.go

@@ -2,52 +2,15 @@ package ethapi
 
 import (
 	"bytes"
-	"encoding/json"
 	"errors"
 
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/core/types"
 )
 
-type AccountStorage struct {
-	StorageRoot  *common.Hash
-	StorageSlots map[common.Hash]common.Hash
-}
-
-func (a *AccountStorage) UnmarshalJSON(data []byte) error {
-	var hash common.Hash
-	if err := json.Unmarshal(data, &hash); err == nil {
-		a.StorageRoot = &hash
-		return nil
-	}
-	return json.Unmarshal(data, &a.StorageSlots)
-}
-
-func (a AccountStorage) MarshalJSON() ([]byte, error) {
-	if a.StorageRoot != nil {
-		return json.Marshal(*a.StorageRoot)
-	}
-	return json.Marshal(a.StorageSlots)
-}
-
-type KnownAccounts map[common.Address]AccountStorage
-
-// It is known that marshaling is broken
-// https://github.com/golang/go/issues/55890
-
-//go:generate go run github.com/fjl/gencodec -type TransactionOpts -out gen_tx_opts_json.go
-type TransactionOpts struct {
-	KnownAccounts  KnownAccounts   `json:"knownAccounts"`
-	BlockNumberMin *hexutil.Uint64 `json:"blockNumberMin,omitempty"`
-	BlockNumberMax *hexutil.Uint64 `json:"blockNumberMax,omitempty"`
-	TimestampMin   *hexutil.Uint64 `json:"timestampMin,omitempty"`
-	TimestampMax   *hexutil.Uint64 `json:"timestampMax,omitempty"`
-}
-
 const MaxNumberOfEntries = 1000
 
-func (o *TransactionOpts) Check(blockNumber uint64, timeStamp uint64, statedb *state.StateDB) error {
+func TxOptsCheck(o types.TransactionOpts, blockNumber uint64, timeStamp uint64, statedb *state.StateDB) error {
 	if o.BlockNumberMin != nil && blockNumber < uint64(*o.BlockNumberMin) {
 		return errors.New("BlockNumberMin condition not met")
 	}
@@ -71,10 +34,10 @@ func (o *TransactionOpts) Check(blockNumber uint64, timeStamp uint64, statedb *s
 	if counter > MaxNumberOfEntries {
 		return errors.New("knownAccounts too large")
 	}
-	return o.CheckStorage(statedb)
+	return TxOptsCheckStorage(o, statedb)
 }
 
-func (o *TransactionOpts) CheckStorage(statedb *state.StateDB) error {
+func TxOptsCheckStorage(o types.TransactionOpts, statedb *state.StateDB) error {
 	for address, accountStorage := range o.KnownAccounts {
 		if accountStorage.StorageRoot != nil {
 			rootHash := statedb.GetRoot(address)