all: move main transaction pool into a subpool (#27463)

* all: move main transaction pool into a subpool

* go.mod: remove superfluous updates

* core/txpool: review fixes, handle txs rejected by all subpools

* core/txpool: typos

cmd/utils/flags.go

@@ -41,7 +41,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/rawdb"
-	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -334,18 +334,18 @@ var (
 	TxPoolJournalFlag = &cli.StringFlag{
 		Name:     "txpool.journal",
 		Usage:    "Disk journal for local transaction to survive node restarts",
-		Value:    txpool.DefaultConfig.Journal,
+		Value:    ethconfig.Defaults.TxPool.Journal,
 		Category: flags.TxPoolCategory,
 	}
 	TxPoolRejournalFlag = &cli.DurationFlag{
 		Name:     "txpool.rejournal",
 		Usage:    "Time interval to regenerate the local transaction journal",
-		Value:    txpool.DefaultConfig.Rejournal,
+		Value:    ethconfig.Defaults.TxPool.Rejournal,
 		Category: flags.TxPoolCategory,
 	}
 	TxPoolPriceLimitFlag = &cli.Uint64Flag{
 		Name:     "txpool.pricelimit",
-		Usage:    "Minimum gas price limit to enforce for acceptance into the pool",
+		Usage:    "Minimum gas price tip to enforce for acceptance into the pool",
 		Value:    ethconfig.Defaults.TxPool.PriceLimit,
 		Category: flags.TxPoolCategory,
 	}
@@ -385,7 +385,6 @@ var (
 		Value:    ethconfig.Defaults.TxPool.Lifetime,
 		Category: flags.TxPoolCategory,
 	}
-
 	// Performance tuning settings
 	CacheFlag = &cli.IntFlag{
 		Name:     "cache",
@@ -1500,7 +1499,7 @@ func setGPO(ctx *cli.Context, cfg *gasprice.Config, light bool) {
 	}
 }
 
-func setTxPool(ctx *cli.Context, cfg *txpool.Config) {
+func setTxPool(ctx *cli.Context, cfg *legacypool.Config) {
 	if ctx.IsSet(TxPoolLocalsFlag.Name) {
 		locals := strings.Split(ctx.String(TxPoolLocalsFlag.Name), ",")
 		for _, account := range locals {

core/txpool/errors.go

@@ -0,0 +1,53 @@
+// Copyright 2014 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package txpool
+
+import "errors"
+
+var (
+	// ErrAlreadyKnown is returned if the transactions is already contained
+	// within the pool.
+	ErrAlreadyKnown = errors.New("already known")
+
+	// ErrInvalidSender is returned if the transaction contains an invalid signature.
+	ErrInvalidSender = errors.New("invalid sender")
+
+	// ErrUnderpriced is returned if a transaction's gas price is below the minimum
+	// configured for the transaction pool.
+	ErrUnderpriced = errors.New("transaction underpriced")
+
+	// ErrReplaceUnderpriced is returned if a transaction is attempted to be replaced
+	// with a different one without the required price bump.
+	ErrReplaceUnderpriced = errors.New("replacement transaction underpriced")
+
+	// ErrGasLimit is returned if a transaction's requested gas limit exceeds the
+	// maximum allowance of the current block.
+	ErrGasLimit = errors.New("exceeds block gas limit")
+
+	// ErrNegativeValue is a sanity error to ensure no one is able to specify a
+	// transaction with a negative value.
+	ErrNegativeValue = errors.New("negative value")
+
+	// ErrOversizedData is returned if the input data of a transaction is greater
+	// than some meaningful limit a user might use. This is not a consensus error
+	// making the transaction invalid, rather a DOS protection.
+	ErrOversizedData = errors.New("oversized data")
+
+	// ErrFutureReplacePending is returned if a future transaction replaces a pending
+	// transaction. Future transactions should only be able to replace other future transactions.
+	ErrFutureReplacePending = errors.New("future transaction tries to replace pending")
+)

core/txpool/legacypool/journal.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package txpool
+package legacypool
 
 import (
 	"errors"

core/txpool/legacypool/legacypool2_test.go

@@ -13,7 +13,7 @@
 //
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-package txpool
+package legacypool
 
 import (
 	"crypto/ecdsa"
@@ -33,7 +33,7 @@ func pricedValuedTransaction(nonce uint64, value int64, gaslimit uint64, gaspric
 	return tx
 }
 
-func count(t *testing.T, pool *TxPool) (pending int, queued int) {
+func count(t *testing.T, pool *LegacyPool) (pending int, queued int) {
 	t.Helper()
 	pending, queued = pool.stats()
 	if err := validatePoolInternals(pool); err != nil {
@@ -42,7 +42,7 @@ func count(t *testing.T, pool *TxPool) (pending int, queued int) {
 	return pending, queued
 }
 
-func fillPool(t testing.TB, pool *TxPool) {
+func fillPool(t testing.TB, pool *LegacyPool) {
 	t.Helper()
 	// Create a number of test accounts, fund them and make transactions
 	executableTxs := types.Transactions{}
@@ -56,8 +56,8 @@ func fillPool(t testing.TB, pool *TxPool) {
 		}
 	}
 	// Import the batch and verify that limits have been enforced
-	pool.AddRemotesSync(executableTxs)
+	pool.addRemotesSync(executableTxs)
-	pool.AddRemotesSync(nonExecutableTxs)
+	pool.addRemotesSync(nonExecutableTxs)
 	pending, queued := pool.Stats()
 	slots := pool.all.Slots()
 	// sanity-check that the test prerequisites are ok (pending full)
@@ -79,12 +79,13 @@ func TestTransactionFutureAttack(t *testing.T) {
 
 	// Create the pool to test the limit enforcement with
 	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
-	blockchain := newTestBlockChain(1000000, statedb, new(event.Feed))
+	blockchain := newTestBlockChain(eip1559Config, 1000000, statedb, new(event.Feed))
 	config := testTxPoolConfig
 	config.GlobalQueue = 100
 	config.GlobalSlots = 100
-	pool := New(config, eip1559Config, blockchain)
+	pool := New(config, blockchain)
-	defer pool.Stop()
+	pool.Init(new(big.Int).SetUint64(config.PriceLimit), blockchain.CurrentBlock())
+	defer pool.Close()
 	fillPool(t, pool)
 	pending, _ := pool.Stats()
 	// Now, future transaction attack starts, let's add a bunch of expensive non-executables, and see if the pending-count drops
@@ -96,7 +97,7 @@ func TestTransactionFutureAttack(t *testing.T) {
 			futureTxs = append(futureTxs, pricedTransaction(1000+uint64(j), 100000, big.NewInt(500), key))
 		}
 		for i := 0; i < 5; i++ {
-			pool.AddRemotesSync(futureTxs)
+			pool.addRemotesSync(futureTxs)
 			newPending, newQueued := count(t, pool)
 			t.Logf("pending: %d queued: %d, all: %d\n", newPending, newQueued, pool.all.Slots())
 		}
@@ -115,9 +116,10 @@ func TestTransactionFuture1559(t *testing.T) {
 	t.Parallel()
 	// Create the pool to test the pricing enforcement with
 	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
-	blockchain := newTestBlockChain(1000000, statedb, new(event.Feed))
+	blockchain := newTestBlockChain(eip1559Config, 1000000, statedb, new(event.Feed))
-	pool := New(testTxPoolConfig, eip1559Config, blockchain)
+	pool := New(testTxPoolConfig, blockchain)
-	defer pool.Stop()
+	pool.Init(new(big.Int).SetUint64(testTxPoolConfig.PriceLimit), blockchain.CurrentBlock())
+	defer pool.Close()
 
 	// Create a number of test accounts, fund them and make transactions
 	fillPool(t, pool)
@@ -131,7 +133,7 @@ func TestTransactionFuture1559(t *testing.T) {
 		for j := 0; j < int(pool.config.GlobalSlots+pool.config.GlobalQueue); j++ {
 			futureTxs = append(futureTxs, dynamicFeeTx(1000+uint64(j), 100000, big.NewInt(200), big.NewInt(101), key))
 		}
-		pool.AddRemotesSync(futureTxs)
+		pool.addRemotesSync(futureTxs)
 	}
 	newPending, _ := pool.Stats()
 	// Pending should not have been touched
@@ -147,9 +149,10 @@ func TestTransactionZAttack(t *testing.T) {
 	t.Parallel()
 	// Create the pool to test the pricing enforcement with
 	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
-	blockchain := newTestBlockChain(1000000, statedb, new(event.Feed))
+	blockchain := newTestBlockChain(eip1559Config, 1000000, statedb, new(event.Feed))
-	pool := New(testTxPoolConfig, eip1559Config, blockchain)
+	pool := New(testTxPoolConfig, blockchain)
-	defer pool.Stop()
+	pool.Init(new(big.Int).SetUint64(testTxPoolConfig.PriceLimit), blockchain.CurrentBlock())
+	defer pool.Close()
 	// Create a number of test accounts, fund them and make transactions
 	fillPool(t, pool)
 
@@ -181,7 +184,7 @@ func TestTransactionZAttack(t *testing.T) {
 		key, _ := crypto.GenerateKey()
 		pool.currentState.AddBalance(crypto.PubkeyToAddress(key.PublicKey), big.NewInt(100000000000))
 		futureTxs = append(futureTxs, pricedTransaction(1000+uint64(j), 21000, big.NewInt(500), key))
-		pool.AddRemotesSync(futureTxs)
+		pool.addRemotesSync(futureTxs)
 	}
 
 	overDraftTxs := types.Transactions{}
@@ -192,11 +195,11 @@ func TestTransactionZAttack(t *testing.T) {
 			overDraftTxs = append(overDraftTxs, pricedValuedTransaction(uint64(j), 600000000000, 21000, big.NewInt(500), key))
 		}
 	}
-	pool.AddRemotesSync(overDraftTxs)
+	pool.addRemotesSync(overDraftTxs)
-	pool.AddRemotesSync(overDraftTxs)
+	pool.addRemotesSync(overDraftTxs)
-	pool.AddRemotesSync(overDraftTxs)
+	pool.addRemotesSync(overDraftTxs)
-	pool.AddRemotesSync(overDraftTxs)
+	pool.addRemotesSync(overDraftTxs)
-	pool.AddRemotesSync(overDraftTxs)
+	pool.addRemotesSync(overDraftTxs)
 
 	newPending, newQueued := count(t, pool)
 	newIvPending := countInvalidPending()
@@ -214,12 +217,13 @@ func TestTransactionZAttack(t *testing.T) {
 func BenchmarkFutureAttack(b *testing.B) {
 	// Create the pool to test the limit enforcement with
 	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
-	blockchain := newTestBlockChain(1000000, statedb, new(event.Feed))
+	blockchain := newTestBlockChain(eip1559Config, 1000000, statedb, new(event.Feed))
 	config := testTxPoolConfig
 	config.GlobalQueue = 100
 	config.GlobalSlots = 100
-	pool := New(config, eip1559Config, blockchain)
+	pool := New(config, blockchain)
-	defer pool.Stop()
+	pool.Init(new(big.Int).SetUint64(testTxPoolConfig.PriceLimit), blockchain.CurrentBlock())
+	defer pool.Close()
 	fillPool(b, pool)
 
 	key, _ := crypto.GenerateKey()
@@ -231,6 +235,6 @@ func BenchmarkFutureAttack(b *testing.B) {
 	}
 	b.ResetTimer()
 	for i := 0; i < 5; i++ {
-		pool.AddRemotesSync(futureTxs)
+		pool.addRemotesSync(futureTxs)
 	}
 }

core/txpool/legacypool/list.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package txpool
+package legacypool
 
 import (
 	"container/heap"

core/txpool/legacypool/list_test.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package txpool
+package legacypool
 
 import (
 	"math/big"

core/txpool/legacypool/noncer.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package txpool
+package legacypool
 
 import (
 	"sync"

core/txpool/subpool.go

@@ -0,0 +1,111 @@
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package txpool
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto/kzg4844"
+	"github.com/ethereum/go-ethereum/event"
+)
+
+// Transaction is a helper struct to group together a canonical transaction with
+// satellite data items that are needed by the pool but are not part of the chain.
+type Transaction struct {
+	Tx *types.Transaction // Canonical transaction
+
+	BlobTxBlobs   []kzg4844.Blob       // Blobs needed by the blob pool
+	BlobTxCommits []kzg4844.Commitment // Commitments needed by the blob pool
+	BlobTxProofs  []kzg4844.Proof      // Proofs needed by the blob pool
+}
+
+// SubPool represents a specialized transaction pool that lives on its own (e.g.
+// blob pool). Since independent of how many specialized pools we have, they do
+// need to be updated in lockstep and assemble into one coherent view for block
+// production, this interface defines the common methods that allow the primary
+// transaction pool to manage the subpools.
+type SubPool interface {
+	// Filter is a selector used to decide whether a transaction whould be added
+	// to this particular subpool.
+	Filter(tx *types.Transaction) bool
+
+	// Init sets the base parameters of the subpool, allowing it to load any saved
+	// transactions from disk and also permitting internal maintenance routines to
+	// start up.
+	//
+	// These should not be passed as a constructor argument - nor should the pools
+	// start by themselves - in order to keep multiple subpools in lockstep with
+	// one another.
+	Init(gasTip *big.Int, head *types.Header) error
+
+	// Close terminates any background processing threads and releases any held
+	// resources.
+	Close() error
+
+	// Reset retrieves the current state of the blockchain and ensures the content
+	// of the transaction pool is valid with regard to the chain state.
+	Reset(oldHead, newHead *types.Header)
+
+	// SetGasTip updates the minimum price required by the subpool for a new
+	// transaction, and drops all transactions below this threshold.
+	SetGasTip(tip *big.Int)
+
+	// Has returns an indicator whether subpool has a transaction cached with the
+	// given hash.
+	Has(hash common.Hash) bool
+
+	// Get returns a transaction if it is contained in the pool, or nil otherwise.
+	Get(hash common.Hash) *Transaction
+
+	// Add enqueues a batch of transactions into the pool if they are valid. Due
+	// to the large transaction churn, add may postpone fully integrating the tx
+	// to a later point to batch multiple ones together.
+	Add(txs []*Transaction, local bool, sync bool) []error
+
+	// Pending retrieves all currently processable transactions, grouped by origin
+	// account and sorted by nonce.
+	Pending(enforceTips bool) map[common.Address][]*types.Transaction
+
+	// SubscribeTransactions subscribes to new transaction events.
+	SubscribeTransactions(ch chan<- core.NewTxsEvent) event.Subscription
+
+	// Nonce returns the next nonce of an account, with all transactions executable
+	// by the pool already applied on top.
+	Nonce(addr common.Address) uint64
+
+	// Stats retrieves the current pool stats, namely the number of pending and the
+	// number of queued (non-executable) transactions.
+	Stats() (int, int)
+
+	// Content retrieves the data content of the transaction pool, returning all the
+	// pending as well as queued transactions, grouped by account and sorted by nonce.
+	Content() (map[common.Address][]*types.Transaction, map[common.Address][]*types.Transaction)
+
+	// ContentFrom retrieves the data content of the transaction pool, returning the
+	// pending as well as queued transactions of this address, grouped by nonce.
+	ContentFrom(addr common.Address) ([]*types.Transaction, []*types.Transaction)
+
+	// Locals retrieves the accounts currently considered local by the pool.
+	Locals() []common.Address
+
+	// Status returns the known status (unknown/pending/queued) of a transaction
+	// identified by their hashes.
+	Status(hash common.Hash) TxStatus
+}

core/types/transaction.go

@@ -555,7 +555,7 @@ func (s *TxByPriceAndTime) Pop() interface{} {
 // transactions in a profit-maximizing sorted order, while supporting removing
 // entire batches of transactions for non-executable accounts.
 type TransactionsByPriceAndNonce struct {
-	txs     map[common.Address]Transactions // Per account nonce-sorted list of transactions
+	txs     map[common.Address][]*Transaction // Per account nonce-sorted list of transactions
 	heads   TxByPriceAndTime                  // Next transaction for each unique account (price heap)
 	signer  Signer                            // Signer for the set of transactions
 	baseFee *big.Int                          // Current base fee
@@ -566,7 +566,7 @@ type TransactionsByPriceAndNonce struct {
 //
 // Note, the input map is reowned so the caller should not interact any more with
 // if after providing it to the constructor.
-func NewTransactionsByPriceAndNonce(signer Signer, txs map[common.Address]Transactions, baseFee *big.Int) *TransactionsByPriceAndNonce {
+func NewTransactionsByPriceAndNonce(signer Signer, txs map[common.Address][]*Transaction, baseFee *big.Int) *TransactionsByPriceAndNonce {
 	// Initialize a price and received time based heap with the head transactions
 	heads := make(TxByPriceAndTime, 0, len(txs))
 	for from, accTxs := range txs {

core/types/transaction_signing.go

@@ -57,9 +57,9 @@ func MakeSigner(config *params.ChainConfig, blockNumber *big.Int, blockTime uint
 }
 
 // LatestSigner returns the 'most permissive' Signer available for the given chain
-// configuration. Specifically, this enables support of EIP-155 replay protection and
+// configuration. Specifically, this enables support of all types of transacrions
-// EIP-2930 access list transactions when their respective forks are scheduled to occur at
+// when their respective forks are scheduled to occur at any block number (or time)
-// any block number in the chain config.
+// in the chain config.
 //
 // Use this in transaction-handling code where the current block number is unknown. If you
 // have the current block number available, use MakeSigner instead.

core/types/transaction_test.go

@@ -281,7 +281,7 @@ func testTransactionPriceNonceSort(t *testing.T, baseFee *big.Int) {
 	signer := LatestSignerForChainID(common.Big1)
 
 	// Generate a batch of transactions with overlapping values, but shifted nonces
-	groups := map[common.Address]Transactions{}
+	groups := map[common.Address][]*Transaction{}
 	expectedCount := 0
 	for start, key := range keys {
 		addr := crypto.PubkeyToAddress(key.PublicKey)
@@ -368,7 +368,7 @@ func TestTransactionTimeSort(t *testing.T) {
 	signer := HomesteadSigner{}
 
 	// Generate a batch of transactions with overlapping prices, but different creation times
-	groups := map[common.Address]Transactions{}
+	groups := map[common.Address][]*Transaction{}
 	for start, key := range keys {
 		addr := crypto.PubkeyToAddress(key.PublicKey)
 

eth/api_backend.go

@@ -294,7 +294,7 @@ func (b *EthAPIBackend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscri
 }
 
 func (b *EthAPIBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error {
-	return b.eth.txPool.AddLocal(signedTx)
+	return b.eth.txPool.Add([]*txpool.Transaction{&txpool.Transaction{Tx: signedTx}}, true, false)[0]
 }
 
 func (b *EthAPIBackend) GetPoolTransactions() (types.Transactions, error) {
@@ -307,7 +307,10 @@ func (b *EthAPIBackend) GetPoolTransactions() (types.Transactions, error) {
 }
 
 func (b *EthAPIBackend) GetPoolTransaction(hash common.Hash) *types.Transaction {
-	return b.eth.txPool.Get(hash)
+	if tx := b.eth.txPool.Get(hash); tx != nil {
+		return tx.Tx
+	}
+	return nil
 }
 
 func (b *EthAPIBackend) GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error) {
@@ -319,24 +322,24 @@ func (b *EthAPIBackend) GetPoolNonce(ctx context.Context, addr common.Address) (
 	return b.eth.txPool.Nonce(addr), nil
 }
 
-func (b *EthAPIBackend) Stats() (pending int, queued int) {
+func (b *EthAPIBackend) Stats() (runnable int, blocked int) {
 	return b.eth.txPool.Stats()
 }
 
-func (b *EthAPIBackend) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions) {
+func (b *EthAPIBackend) TxPoolContent() (map[common.Address][]*types.Transaction, map[common.Address][]*types.Transaction) {
-	return b.eth.TxPool().Content()
+	return b.eth.txPool.Content()
 }
 
-func (b *EthAPIBackend) TxPoolContentFrom(addr common.Address) (types.Transactions, types.Transactions) {
+func (b *EthAPIBackend) TxPoolContentFrom(addr common.Address) ([]*types.Transaction, []*types.Transaction) {
-	return b.eth.TxPool().ContentFrom(addr)
+	return b.eth.txPool.ContentFrom(addr)
 }
 
 func (b *EthAPIBackend) TxPool() *txpool.TxPool {
-	return b.eth.TxPool()
+	return b.eth.txPool
 }
 
 func (b *EthAPIBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
-	return b.eth.TxPool().SubscribeNewTxsEvent(ch)
+	return b.eth.txPool.SubscribeNewTxsEvent(ch)
 }
 
 func (b *EthAPIBackend) SyncProgress() ethereum.SyncProgress {

eth/backend.go

@@ -35,6 +35,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/state/pruner"
 	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/eth/downloader"
@@ -67,6 +68,7 @@ type Ethereum struct {
 
 	// Handlers
 	txPool *txpool.TxPool
+
 	blockchain         *core.BlockChain
 	handler            *handler
 	ethDialCandidates  enode.Iterator
@@ -206,8 +208,12 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 	if config.TxPool.Journal != "" {
 		config.TxPool.Journal = stack.ResolvePath(config.TxPool.Journal)
 	}
-	eth.txPool = txpool.New(config.TxPool, eth.blockchain.Config(), eth.blockchain)
+	legacyPool := legacypool.New(config.TxPool, eth.blockchain)
 
+	eth.txPool, err = txpool.New(new(big.Int).SetUint64(config.TxPool.PriceLimit), eth.blockchain, []txpool.SubPool{legacyPool})
+	if err != nil {
+		return nil, err
+	}
 	// Permit the downloader to use the trie cache allowance during fast sync
 	cacheLimit := cacheConfig.TrieCleanLimit + cacheConfig.TrieDirtyLimit + cacheConfig.SnapshotLimit
 	if eth.handler, err = newHandler(&handlerConfig{
@@ -512,7 +518,7 @@ func (s *Ethereum) Stop() error {
 	// Then stop everything else.
 	s.bloomIndexer.Close()
 	close(s.closeBloomHandler)
-	s.txPool.Stop()
+	s.txPool.Close()
 	s.miner.Close()
 	s.blockchain.Stop()
 	s.engine.Close()

eth/catalyst/api_test.go

@@ -35,6 +35,7 @@ import (
 	beaconConsensus "github.com/ethereum/go-ethereum/consensus/beacon"
 	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/txpool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/eth"
@@ -106,7 +107,7 @@ func TestEth2AssembleBlock(t *testing.T) {
 	if err != nil {
 		t.Fatalf("error signing transaction, err=%v", err)
 	}
-	ethservice.TxPool().AddLocal(tx)
+	ethservice.TxPool().Add([]*txpool.Transaction{{Tx: tx}}, true, false)
 	blockParams := engine.PayloadAttributes{
 		Timestamp: blocks[9].Time() + 5,
 	}
@@ -142,7 +143,12 @@ func TestEth2AssembleBlockWithAnotherBlocksTxs(t *testing.T) {
 	api := NewConsensusAPI(ethservice)
 
 	// Put the 10th block's tx in the pool and produce a new block
-	api.eth.TxPool().AddRemotesSync(blocks[9].Transactions())
+	txs := blocks[9].Transactions()
+	wrapped := make([]*txpool.Transaction, len(txs))
+	for i, tx := range txs {
+		wrapped[i] = &txpool.Transaction{Tx: tx}
+	}
+	api.eth.TxPool().Add(wrapped, false, true)
 	blockParams := engine.PayloadAttributes{
 		Timestamp: blocks[8].Time() + 5,
 	}
@@ -181,7 +187,12 @@ func TestEth2PrepareAndGetPayload(t *testing.T) {
 	api := NewConsensusAPI(ethservice)
 
 	// Put the 10th block's tx in the pool and produce a new block
-	ethservice.TxPool().AddLocals(blocks[9].Transactions())
+	txs := blocks[9].Transactions()
+	wrapped := make([]*txpool.Transaction, len(txs))
+	for i, tx := range txs {
+		wrapped[i] = &txpool.Transaction{Tx: tx}
+	}
+	ethservice.TxPool().Add(wrapped, true, false)
 	blockParams := engine.PayloadAttributes{
 		Timestamp: blocks[8].Time() + 5,
 	}
@@ -303,7 +314,7 @@ func TestEth2NewBlock(t *testing.T) {
 		statedb, _ := ethservice.BlockChain().StateAt(parent.Root())
 		nonce := statedb.GetNonce(testAddr)
 		tx, _ := types.SignTx(types.NewContractCreation(nonce, new(big.Int), 1000000, big.NewInt(2*params.InitialBaseFee), logCode), types.LatestSigner(ethservice.BlockChain().Config()), testKey)
-		ethservice.TxPool().AddLocal(tx)
+		ethservice.TxPool().Add([]*txpool.Transaction{{Tx: tx}}, true, false)
 
 		execData, err := assembleWithTransactions(api, parent.Hash(), &engine.PayloadAttributes{
 			Timestamp: parent.Time() + 5,
@@ -472,7 +483,7 @@ func TestFullAPI(t *testing.T) {
 		statedb, _ := ethservice.BlockChain().StateAt(parent.Root)
 		nonce := statedb.GetNonce(testAddr)
 		tx, _ := types.SignTx(types.NewContractCreation(nonce, new(big.Int), 1000000, big.NewInt(2*params.InitialBaseFee), logCode), types.LatestSigner(ethservice.BlockChain().Config()), testKey)
-		ethservice.TxPool().AddLocal(tx)
+		ethservice.TxPool().Add([]*txpool.Transaction{{Tx: tx}}, true, false)
 	}
 
 	setupBlocks(t, ethservice, 10, parent, callback, nil)
@@ -598,7 +609,7 @@ func TestNewPayloadOnInvalidChain(t *testing.T) {
 			GasPrice: big.NewInt(2 * params.InitialBaseFee),
 			Data:     logCode,
 		})
-		ethservice.TxPool().AddRemotesSync([]*types.Transaction{tx})
+		ethservice.TxPool().Add([]*txpool.Transaction{{Tx: tx}}, false, true)
 		var (
 			params = engine.PayloadAttributes{
 				Timestamp:             parent.Time + 1,
@@ -1272,7 +1283,7 @@ func setupBodies(t *testing.T) (*node.Node, *eth.Ethereum, []*types.Block) {
 		statedb, _ := ethservice.BlockChain().StateAt(parent.Root)
 		nonce := statedb.GetNonce(testAddr)
 		tx, _ := types.SignTx(types.NewContractCreation(nonce, new(big.Int), 1000000, big.NewInt(2*params.InitialBaseFee), logCode), types.LatestSigner(ethservice.BlockChain().Config()), testKey)
-		ethservice.TxPool().AddLocal(tx)
+		ethservice.TxPool().Add([]*txpool.Transaction{{Tx: tx}}, true, false)
 	}
 
 	withdrawals := make([][]*types.Withdrawal, 10)

eth/ethconfig/config.go

@@ -27,7 +27,7 @@ import (
 	"github.com/ethereum/go-ethereum/consensus/clique"
 	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/core"
-	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/eth/downloader"
 	"github.com/ethereum/go-ethereum/eth/gasprice"
 	"github.com/ethereum/go-ethereum/ethdb"
@@ -71,7 +71,7 @@ var Defaults = Config{
 	SnapshotCache:           102,
 	FilterLogCacheSize:      32,
 	Miner:                   miner.DefaultConfig,
-	TxPool:                  txpool.DefaultConfig,
+	TxPool:                  legacypool.DefaultConfig,
 	RPCGasCap:               50000000,
 	RPCEVMTimeout:           5 * time.Second,
 	GPO:                     FullNodeGPO,
@@ -139,7 +139,7 @@ type Config struct {
 	Miner miner.Config
 
 	// Transaction pool options
-	TxPool txpool.Config
+	TxPool legacypool.Config
 
 	// Gas Price Oracle options
 	GPO gasprice.Config

eth/ethconfig/gen_config.go

@@ -7,7 +7,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core"
-	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/eth/downloader"
 	"github.com/ethereum/go-ethereum/eth/gasprice"
 	"github.com/ethereum/go-ethereum/miner"
@@ -47,7 +47,7 @@ func (c Config) MarshalTOML() (interface{}, error) {
 		Preimages               bool
 		FilterLogCacheSize      int
 		Miner                   miner.Config
-		TxPool                  txpool.Config
+		TxPool                  legacypool.Config
 		GPO                     gasprice.Config
 		EnablePreimageRecording bool
 		DocRoot                 string `toml:"-"`
@@ -133,7 +133,7 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 		Preimages               *bool
 		FilterLogCacheSize      *int
 		Miner                   *miner.Config
-		TxPool                  *txpool.Config
+		TxPool                  *legacypool.Config
 		GPO                     *gasprice.Config
 		EnablePreimageRecording *bool
 		DocRoot                 *string `toml:"-"`

eth/fetcher/tx_fetcher.go

@@ -170,7 +170,7 @@ type TxFetcher struct {
 
 	// Callbacks
 	hasTx    func(common.Hash) bool              // Retrieves a tx from the local txpool
-	addTxs   func([]*types.Transaction) []error // Insert a batch of transactions into local txpool
+	addTxs   func([]*txpool.Transaction) []error // Insert a batch of transactions into local txpool
 	fetchTxs func(string, []common.Hash) error   // Retrieves a set of txs from a remote peer
 
 	step  chan struct{} // Notification channel when the fetcher loop iterates
@@ -180,14 +180,14 @@ type TxFetcher struct {
 
 // NewTxFetcher creates a transaction fetcher to retrieve transaction
 // based on hash announcements.
-func NewTxFetcher(hasTx func(common.Hash) bool, addTxs func([]*types.Transaction) []error, fetchTxs func(string, []common.Hash) error) *TxFetcher {
+func NewTxFetcher(hasTx func(common.Hash) bool, addTxs func([]*txpool.Transaction) []error, fetchTxs func(string, []common.Hash) error) *TxFetcher {
 	return NewTxFetcherForTests(hasTx, addTxs, fetchTxs, mclock.System{}, nil)
 }
 
 // NewTxFetcherForTests is a testing method to mock out the realtime clock with
 // a simulated version and the internal randomness with a deterministic one.
 func NewTxFetcherForTests(
-	hasTx func(common.Hash) bool, addTxs func([]*types.Transaction) []error, fetchTxs func(string, []common.Hash) error,
+	hasTx func(common.Hash) bool, addTxs func([]*txpool.Transaction) []error, fetchTxs func(string, []common.Hash) error,
 	clock mclock.Clock, rand *mrand.Rand) *TxFetcher {
 	return &TxFetcher{
 		notify:      make(chan *txAnnounce),
@@ -294,7 +294,12 @@ func (f *TxFetcher) Enqueue(peer string, txs []*types.Transaction, direct bool)
 			otherreject int64
 		)
 		batch := txs[i:end]
-		for j, err := range f.addTxs(batch) {
+
+		wrapped := make([]*txpool.Transaction, len(batch))
+		for j, tx := range batch {
+			wrapped[j] = &txpool.Transaction{Tx: tx}
+		}
+		for j, err := range f.addTxs(wrapped) {
 			// Track the transaction hash if the price is too low for us.
 			// Avoid re-request this transaction when we receive another
 			// announcement.

eth/fetcher/tx_fetcher_test.go

@@ -378,7 +378,7 @@ func TestTransactionFetcherCleanup(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -417,7 +417,7 @@ func TestTransactionFetcherCleanupEmpty(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -455,7 +455,7 @@ func TestTransactionFetcherMissingRescheduling(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -501,7 +501,7 @@ func TestTransactionFetcherMissingCleanup(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -539,7 +539,7 @@ func TestTransactionFetcherBroadcasts(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -644,7 +644,7 @@ func TestTransactionFetcherTimeoutRescheduling(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -865,7 +865,7 @@ func TestTransactionFetcherUnderpricedDedup(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					errs := make([]error, len(txs))
 					for i := 0; i < len(errs); i++ {
 						if i%2 == 0 {
@@ -938,7 +938,7 @@ func TestTransactionFetcherUnderpricedDoSProtection(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					errs := make([]error, len(txs))
 					for i := 0; i < len(errs); i++ {
 						errs[i] = txpool.ErrUnderpriced
@@ -964,7 +964,7 @@ func TestTransactionFetcherOutOfBoundDeliveries(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -1017,7 +1017,7 @@ func TestTransactionFetcherDrop(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -1083,7 +1083,7 @@ func TestTransactionFetcherDropRescheduling(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -1128,7 +1128,7 @@ func TestTransactionFetcherFuzzCrash01(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -1155,7 +1155,7 @@ func TestTransactionFetcherFuzzCrash02(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -1184,7 +1184,7 @@ func TestTransactionFetcherFuzzCrash03(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error { return nil },
@@ -1217,7 +1217,7 @@ func TestTransactionFetcherFuzzCrash04(t *testing.T) {
 		init: func() *TxFetcher {
 			return NewTxFetcher(
 				func(common.Hash) bool { return false },
-				func(txs []*types.Transaction) []error {
+				func(txs []*txpool.Transaction) []error {
 					return make([]error, len(txs))
 				},
 				func(string, []common.Hash) error {

eth/handler.go

@@ -29,6 +29,7 @@ import (
 	"github.com/ethereum/go-ethereum/consensus/beacon"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/forkid"
+	"github.com/ethereum/go-ethereum/core/txpool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/eth/downloader"
 	"github.com/ethereum/go-ethereum/eth/fetcher"
@@ -59,14 +60,14 @@ type txPool interface {
 
 	// Get retrieves the transaction from local txpool with given
 	// tx hash.
-	Get(hash common.Hash) *types.Transaction
+	Get(hash common.Hash) *txpool.Transaction
 
-	// AddRemotes should add the given transactions to the pool.
+	// Add should add the given transactions to the pool.
-	AddRemotes([]*types.Transaction) []error
+	Add(txs []*txpool.Transaction, local bool, sync bool) []error
 
 	// Pending should return pending transactions.
 	// The slice should be modifiable by the caller.
-	Pending(enforceTips bool) map[common.Address]types.Transactions
+	Pending(enforceTips bool) map[common.Address][]*types.Transaction
 
 	// SubscribeNewTxsEvent should return an event subscription of
 	// NewTxsEvent and send events to the given channel.
@@ -274,7 +275,10 @@ func newHandler(config *handlerConfig) (*handler, error) {
 		}
 		return p.RequestTxs(hashes)
 	}
-	h.txFetcher = fetcher.NewTxFetcher(h.txpool.Has, h.txpool.AddRemotes, fetchTx)
+	addTxs := func(txs []*txpool.Transaction) []error {
+		return h.txpool.Add(txs, false, false)
+	}
+	h.txFetcher = fetcher.NewTxFetcher(h.txpool.Has, addTxs, fetchTx)
 	h.chainSync = newChainSyncer(h)
 	return h, nil
 }

eth/handler_eth_test.go

@@ -28,6 +28,7 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/forkid"
 	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/core/txpool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/eth/downloader"
@@ -307,14 +308,14 @@ func testSendTransactions(t *testing.T, protocol uint) {
 	handler := newTestHandler()
 	defer handler.close()
 
-	insert := make([]*types.Transaction, 100)
+	insert := make([]*txpool.Transaction, 100)
 	for nonce := range insert {
 		tx := types.NewTransaction(uint64(nonce), common.Address{}, big.NewInt(0), 100000, big.NewInt(0), make([]byte, 10240))
 		tx, _ = types.SignTx(tx, types.HomesteadSigner{}, testKey)
 
-		insert[nonce] = tx
+		insert[nonce] = &txpool.Transaction{Tx: tx}
 	}
-	go handler.txpool.AddRemotes(insert) // Need goroutine to not block on feed
+	go handler.txpool.Add(insert, false, false) // Need goroutine to not block on feed
 	time.Sleep(250 * time.Millisecond)          // Wait until tx events get out of the system (can't use events, tx broadcaster races with peer join)
 
 	// Create a source handler to send messages through and a sink peer to receive them
@@ -375,8 +376,8 @@ func testSendTransactions(t *testing.T, protocol uint) {
 		}
 	}
 	for _, tx := range insert {
-		if _, ok := seen[tx.Hash()]; !ok {
+		if _, ok := seen[tx.Tx.Hash()]; !ok {
-			t.Errorf("missing transaction: %x", tx.Hash())
+			t.Errorf("missing transaction: %x", tx.Tx.Hash())
 		}
 	}
 }
@@ -433,14 +434,14 @@ func testTransactionPropagation(t *testing.T, protocol uint) {
 		defer sub.Unsubscribe()
 	}
 	// Fill the source pool with transactions and wait for them at the sinks
-	txs := make([]*types.Transaction, 1024)
+	txs := make([]*txpool.Transaction, 1024)
 	for nonce := range txs {
 		tx := types.NewTransaction(uint64(nonce), common.Address{}, big.NewInt(0), 100000, big.NewInt(0), nil)
 		tx, _ = types.SignTx(tx, types.HomesteadSigner{}, testKey)
 
-		txs[nonce] = tx
+		txs[nonce] = &txpool.Transaction{Tx: tx}
 	}
-	source.txpool.AddRemotes(txs)
+	source.txpool.Add(txs, false, false)
 
 	// Iterate through all the sinks and ensure they all got the transactions
 	for i := range sinks {

eth/handler_test.go

@@ -26,6 +26,7 @@ import (
 	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/core/txpool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -71,32 +72,40 @@ func (p *testTxPool) Has(hash common.Hash) bool {
 
 // Get retrieves the transaction from local txpool with given
 // tx hash.
-func (p *testTxPool) Get(hash common.Hash) *types.Transaction {
+func (p *testTxPool) Get(hash common.Hash) *txpool.Transaction {
 	p.lock.Lock()
 	defer p.lock.Unlock()
 
-	return p.pool[hash]
+	if tx := p.pool[hash]; tx != nil {
+		return &txpool.Transaction{Tx: tx}
+	}
+	return nil
 }
 
-// AddRemotes appends a batch of transactions to the pool, and notifies any
+// Add appends a batch of transactions to the pool, and notifies any
 // listeners if the addition channel is non nil
-func (p *testTxPool) AddRemotes(txs []*types.Transaction) []error {
+func (p *testTxPool) Add(txs []*txpool.Transaction, local bool, sync bool) []error {
+	unwrapped := make([]*types.Transaction, len(txs))
+	for i, tx := range txs {
+		unwrapped[i] = tx.Tx
+	}
 	p.lock.Lock()
 	defer p.lock.Unlock()
 
-	for _, tx := range txs {
+	for _, tx := range unwrapped {
 		p.pool[tx.Hash()] = tx
 	}
-	p.txFeed.Send(core.NewTxsEvent{Txs: txs})
+
-	return make([]error, len(txs))
+	p.txFeed.Send(core.NewTxsEvent{Txs: unwrapped})
+	return make([]error, len(unwrapped))
 }
 
 // Pending returns all the transactions known to the pool
-func (p *testTxPool) Pending(enforceTips bool) map[common.Address]types.Transactions {
+func (p *testTxPool) Pending(enforceTips bool) map[common.Address][]*types.Transaction {
 	p.lock.RLock()
 	defer p.lock.RUnlock()
 
-	batches := make(map[common.Address]types.Transactions)
+	batches := make(map[common.Address][]*types.Transaction)
 	for _, tx := range p.pool {
 		from, _ := types.Sender(types.HomesteadSigner{}, tx)
 		batches[from] = append(batches[from], tx)

eth/protocols/eth/broadcast.go

@@ -81,8 +81,8 @@ func (p *Peer) broadcastTransactions() {
 			)
 			for i := 0; i < len(queue) && size < maxTxPacketSize; i++ {
 				if tx := p.txpool.Get(queue[i]); tx != nil {
-					txs = append(txs, tx)
+					txs = append(txs, tx.Tx)
-					size += common.StorageSize(tx.Size())
+					size += common.StorageSize(tx.Tx.Size())
 				}
 				hashesCount++
 			}
@@ -151,8 +151,8 @@ func (p *Peer) announceTransactions() {
 			for count = 0; count < len(queue) && size < maxTxPacketSize; count++ {
 				if tx := p.txpool.Get(queue[count]); tx != nil {
 					pending = append(pending, queue[count])
-					pendingTypes = append(pendingTypes, tx.Type())
+					pendingTypes = append(pendingTypes, tx.Tx.Type())
-					pendingSizes = append(pendingSizes, uint32(tx.Size()))
+					pendingSizes = append(pendingSizes, uint32(tx.Tx.Size()))
 					size += common.HashLength
 				}
 			}

eth/protocols/eth/handler.go

@@ -23,7 +23,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core"
-	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/core/txpool"
 	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/enode"
@@ -90,7 +90,7 @@ type Backend interface {
 // TxPool defines the methods needed by the protocol handler to serve transactions.
 type TxPool interface {
 	// Get retrieves the transaction from the local txpool with the given hash.
-	Get(hash common.Hash) *types.Transaction
+	Get(hash common.Hash) *txpool.Transaction
 }
 
 // MakeProtocols constructs the P2P protocol definitions for `eth`.

eth/protocols/eth/handler_test.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -113,19 +114,22 @@ func newTestBackendWithGenerator(blocks int, shanghai bool, generator func(int,
 	for _, block := range bs {
 		chain.StateCache().TrieDB().Commit(block.Root(), false)
 	}
-	txconfig := txpool.DefaultConfig
+	txconfig := legacypool.DefaultConfig
 	txconfig.Journal = "" // Don't litter the disk with test journals
 
+	pool := legacypool.New(txconfig, chain)
+	txpool, _ := txpool.New(new(big.Int).SetUint64(txconfig.PriceLimit), chain, []txpool.SubPool{pool})
+
 	return &testBackend{
 		db:     db,
 		chain:  chain,
-		txpool: txpool.New(txconfig, params.TestChainConfig, chain),
+		txpool: txpool,
 	}
 }
 
 // close tears down the transaction pool and chain behind the mock backend.
 func (b *testBackend) close() {
-	b.txpool.Stop()
+	b.txpool.Close()
 	b.chain.Stop()
 }
 

eth/protocols/eth/handlers.go

@@ -498,7 +498,7 @@ func answerGetPooledTransactions(backend Backend, query GetPooledTransactionsPac
 			continue
 		}
 		// If known, encode and queue for response packet
-		if encoded, err := rlp.EncodeToBytes(tx); err != nil {
+		if encoded, err := rlp.EncodeToBytes(tx.Tx); err != nil {
 			log.Error("Failed to encode transaction", "err", err)
 		} else {
 			hashes = append(hashes, hash)

event/multisub.go

@@ -0,0 +1,50 @@
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package event
+
+// JoinSubscriptions joins multiple subscriptions to be able to track them as
+// one entity and collectively cancel them of consume any errors from them.
+func JoinSubscriptions(subs ...Subscription) Subscription {
+	return NewSubscription(func(unsubbed <-chan struct{}) error {
+		// Unsubscribe all subscriptions before returning
+		defer func() {
+			for _, sub := range subs {
+				sub.Unsubscribe()
+			}
+		}()
+		// Wait for an error on any of the subscriptions and propagate up
+		errc := make(chan error, len(subs))
+		for i := range subs {
+			go func(sub Subscription) {
+				select {
+				case err := <-sub.Err():
+					if err != nil {
+						errc <- err
+					}
+				case <-unsubbed:
+				}
+			}(subs[i])
+		}
+
+		select {
+		case err := <-errc:
+			return err
+		case <-unsubbed:
+			return nil
+		}
+	})
+}

event/multisub_test.go

@@ -0,0 +1,175 @@
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package event
+
+import (
+	"testing"
+	"time"
+)
+
+func TestMultisub(t *testing.T) {
+	// Create a double subscription and ensure events propagate through
+	var (
+		feed1 Feed
+		feed2 Feed
+	)
+	sink1 := make(chan int, 1)
+	sink2 := make(chan int, 1)
+
+	sub1 := feed1.Subscribe(sink1)
+	sub2 := feed2.Subscribe(sink2)
+
+	sub := JoinSubscriptions(sub1, sub2)
+
+	feed1.Send(1)
+	select {
+	case n := <-sink1:
+		if n != 1 {
+			t.Errorf("sink 1 delivery mismatch: have %d, want %d", n, 1)
+		}
+	default:
+		t.Error("sink 1 missing delivery")
+	}
+
+	feed2.Send(2)
+	select {
+	case n := <-sink2:
+		if n != 2 {
+			t.Errorf("sink 2 delivery mismatch: have %d, want %d", n, 2)
+		}
+	default:
+		t.Error("sink 2 missing delivery")
+	}
+	// Unsubscribe and ensure no more events are delivered
+	sub.Unsubscribe()
+	select {
+	case <-sub.Err():
+	case <-time.After(50 * time.Millisecond):
+		t.Error("multisub didn't propagate closure")
+	}
+
+	feed1.Send(11)
+	select {
+	case n := <-sink1:
+		t.Errorf("sink 1 unexpected delivery: %d", n)
+	default:
+	}
+
+	feed2.Send(22)
+	select {
+	case n := <-sink2:
+		t.Errorf("sink 2 unexpected delivery: %d", n)
+	default:
+	}
+}
+
+func TestMutisubPartialUnsubscribe(t *testing.T) {
+	// Create a double subscription but terminate one half, ensuring no error
+	// is propagated yet up to the outer subscription
+	var (
+		feed1 Feed
+		feed2 Feed
+	)
+	sink1 := make(chan int, 1)
+	sink2 := make(chan int, 1)
+
+	sub1 := feed1.Subscribe(sink1)
+	sub2 := feed2.Subscribe(sink2)
+
+	sub := JoinSubscriptions(sub1, sub2)
+
+	sub1.Unsubscribe()
+	select {
+	case <-sub.Err():
+		t.Error("multisub propagated closure")
+	case <-time.After(50 * time.Millisecond):
+	}
+	// Ensure that events cross only the second feed
+	feed1.Send(1)
+	select {
+	case n := <-sink1:
+		t.Errorf("sink 1 unexpected delivery: %d", n)
+	default:
+	}
+
+	feed2.Send(2)
+	select {
+	case n := <-sink2:
+		if n != 2 {
+			t.Errorf("sink 2 delivery mismatch: have %d, want %d", n, 2)
+		}
+	default:
+		t.Error("sink 2 missing delivery")
+	}
+	// Unsubscribe and ensure no more events are delivered
+	sub.Unsubscribe()
+	select {
+	case <-sub.Err():
+	case <-time.After(50 * time.Millisecond):
+		t.Error("multisub didn't propagate closure")
+	}
+
+	feed1.Send(11)
+	select {
+	case n := <-sink1:
+		t.Errorf("sink 1 unexpected delivery: %d", n)
+	default:
+	}
+
+	feed2.Send(22)
+	select {
+	case n := <-sink2:
+		t.Errorf("sink 2 unexpected delivery: %d", n)
+	default:
+	}
+}
+
+func TestMultisubFullUnsubscribe(t *testing.T) {
+	// Create a double subscription and terminate the multi sub, ensuring an
+	// error is propagated up.
+	var (
+		feed1 Feed
+		feed2 Feed
+	)
+	sink1 := make(chan int, 1)
+	sink2 := make(chan int, 1)
+
+	sub1 := feed1.Subscribe(sink1)
+	sub2 := feed2.Subscribe(sink2)
+
+	sub := JoinSubscriptions(sub1, sub2)
+	sub.Unsubscribe()
+	select {
+	case <-sub.Err():
+	case <-time.After(50 * time.Millisecond):
+		t.Error("multisub didn't propagate closure")
+	}
+	// Ensure no more events are delivered
+	feed1.Send(1)
+	select {
+	case n := <-sink1:
+		t.Errorf("sink 1 unexpected delivery: %d", n)
+	default:
+	}
+
+	feed2.Send(2)
+	select {
+	case n := <-sink2:
+		t.Errorf("sink 2 unexpected delivery: %d", n)
+	default:
+	}
+}

internal/ethapi/api_test.go

@@ -366,10 +366,10 @@ func (b testBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uin
 	panic("implement me")
 }
 func (b testBackend) Stats() (pending int, queued int) { panic("implement me") }
-func (b testBackend) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions) {
+func (b testBackend) TxPoolContent() (map[common.Address][]*types.Transaction, map[common.Address][]*types.Transaction) {
 	panic("implement me")
 }
-func (b testBackend) TxPoolContentFrom(addr common.Address) (types.Transactions, types.Transactions) {
+func (b testBackend) TxPoolContentFrom(addr common.Address) ([]*types.Transaction, []*types.Transaction) {
 	panic("implement me")
 }
 func (b testBackend) SubscribeNewTxsEvent(events chan<- core.NewTxsEvent) event.Subscription {

internal/ethapi/backend.go

@@ -80,8 +80,8 @@ type Backend interface {
 	GetPoolTransaction(txHash common.Hash) *types.Transaction
 	GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error)
 	Stats() (pending int, queued int)
-	TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions)
+	TxPoolContent() (map[common.Address][]*types.Transaction, map[common.Address][]*types.Transaction)
-	TxPoolContentFrom(addr common.Address) (types.Transactions, types.Transactions)
+	TxPoolContentFrom(addr common.Address) ([]*types.Transaction, []*types.Transaction)
 	SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
 
 	ChainConfig() *params.ChainConfig

internal/ethapi/transaction_args_test.go

@@ -325,10 +325,10 @@ func (b *backendMock) GetPoolNonce(ctx context.Context, addr common.Address) (ui
 	return 0, nil
 }
 func (b *backendMock) Stats() (pending int, queued int) { return 0, 0 }
-func (b *backendMock) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions) {
+func (b *backendMock) TxPoolContent() (map[common.Address][]*types.Transaction, map[common.Address][]*types.Transaction) {
 	return nil, nil
 }
-func (b *backendMock) TxPoolContentFrom(addr common.Address) (types.Transactions, types.Transactions) {
+func (b *backendMock) TxPoolContentFrom(addr common.Address) ([]*types.Transaction, []*types.Transaction) {
 	return nil, nil
 }
 func (b *backendMock) SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription      { return nil }

internal/flags/categories.go

@@ -23,7 +23,8 @@ const (
 	LightCategory      = "LIGHT CLIENT"
 	DevCategory        = "DEVELOPER CHAIN"
 	EthashCategory     = "ETHASH"
-	TxPoolCategory     = "TRANSACTION POOL"
+	TxPoolCategory     = "TRANSACTION POOL (EVM)"
+	BlobPoolCategory   = "TRANSACTION POOL (BLOB)"
 	PerfCategory       = "PERFORMANCE TUNING"
 	AccountCategory    = "ACCOUNT"
 	APICategory        = "API AND CONSOLE"

les/api_backend.go

@@ -224,11 +224,11 @@ func (b *LesApiBackend) Stats() (pending int, queued int) {
 	return b.eth.txPool.Stats(), 0
 }
 
-func (b *LesApiBackend) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions) {
+func (b *LesApiBackend) TxPoolContent() (map[common.Address][]*types.Transaction, map[common.Address][]*types.Transaction) {
 	return b.eth.txPool.Content()
 }
 
-func (b *LesApiBackend) TxPoolContentFrom(addr common.Address) (types.Transactions, types.Transactions) {
+func (b *LesApiBackend) TxPoolContentFrom(addr common.Address) ([]*types.Transaction, []*types.Transaction) {
 	return b.eth.txPool.ContentFrom(addr)
 }
 

les/server_requests.go

@@ -518,12 +518,7 @@ func handleSendTx(msg Decoder) (serveRequestFn, uint64, uint64, error) {
 			hash := tx.Hash()
 			stats[i] = txStatus(backend, hash)
 			if stats[i].Status == txpool.TxStatusUnknown {
-				addFn := backend.TxPool().AddRemotes
+				if errs := backend.TxPool().Add([]*txpool.Transaction{{Tx: tx}}, false, backend.AddTxsSync()); errs[0] != nil {
-				// Add txs synchronously for testing purpose
-				if backend.AddTxsSync() {
-					addFn = backend.TxPool().AddRemotesSync
-				}
-				if errs := addFn([]*types.Transaction{tx}); errs[0] != nil {
 					stats[i].Error = errs[0].Error()
 					continue
 				}
@@ -556,7 +551,7 @@ func handleGetTxStatus(msg Decoder) (serveRequestFn, uint64, uint64, error) {
 func txStatus(b serverBackend, hash common.Hash) light.TxStatus {
 	var stat light.TxStatus
 	// Looking the transaction in txpool first.
-	stat.Status = b.TxPool().Status([]common.Hash{hash})[0]
+	stat.Status = b.TxPool().Status(hash)
 
 	// If the transaction is unknown to the pool, try looking it up locally.
 	if stat.Status == txpool.TxStatusUnknown {

les/test_helper.go

@@ -37,6 +37,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/forkid"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
@@ -232,9 +233,11 @@ func newTestServerHandler(blocks int, indexers []*core.ChainIndexer, db ethdb.Da
 	simulation := backends.NewSimulatedBackendWithDatabase(db, gspec.Alloc, 100000000)
 	prepare(blocks, simulation)
 
-	txpoolConfig := txpool.DefaultConfig
+	txpoolConfig := legacypool.DefaultConfig
 	txpoolConfig.Journal = ""
-	txpool := txpool.New(txpoolConfig, gspec.Config, simulation.Blockchain())
+
+	pool := legacypool.New(txpoolConfig, simulation.Blockchain())
+	txpool, _ := txpool.New(new(big.Int).SetUint64(txpoolConfig.PriceLimit), simulation.Blockchain(), []txpool.SubPool{pool})
 
 	server := &LesServer{
 		lesCommons: lesCommons{

light/txpool.go

@@ -494,29 +494,29 @@ func (pool *TxPool) GetTransactions() (txs types.Transactions, err error) {
 
 // Content retrieves the data content of the transaction pool, returning all the
 // pending as well as queued transactions, grouped by account and nonce.
-func (pool *TxPool) Content() (map[common.Address]types.Transactions, map[common.Address]types.Transactions) {
+func (pool *TxPool) Content() (map[common.Address][]*types.Transaction, map[common.Address][]*types.Transaction) {
 	pool.mu.RLock()
 	defer pool.mu.RUnlock()
 
 	// Retrieve all the pending transactions and sort by account and by nonce
-	pending := make(map[common.Address]types.Transactions)
+	pending := make(map[common.Address][]*types.Transaction)
 	for _, tx := range pool.pending {
 		account, _ := types.Sender(pool.signer, tx)
 		pending[account] = append(pending[account], tx)
 	}
 	// There are no queued transactions in a light pool, just return an empty map
-	queued := make(map[common.Address]types.Transactions)
+	queued := make(map[common.Address][]*types.Transaction)
 	return pending, queued
 }
 
 // ContentFrom retrieves the data content of the transaction pool, returning the
 // pending as well as queued transactions of this address, grouped by nonce.
-func (pool *TxPool) ContentFrom(addr common.Address) (types.Transactions, types.Transactions) {
+func (pool *TxPool) ContentFrom(addr common.Address) ([]*types.Transaction, []*types.Transaction) {
 	pool.mu.RLock()
 	defer pool.mu.RUnlock()
 
 	// Retrieve the pending transactions and sort by nonce
-	var pending types.Transactions
+	var pending []*types.Transaction
 	for _, tx := range pool.pending {
 		account, _ := types.Sender(pool.signer, tx)
 		if account != addr {
@@ -525,7 +525,7 @@ func (pool *TxPool) ContentFrom(addr common.Address) (types.Transactions, types.
 		pending = append(pending, tx)
 	}
 	// There are no queued transactions in a light pool, just return an empty map
-	return pending, types.Transactions{}
+	return pending, []*types.Transaction{}
 }
 
 // RemoveTransactions removes all given transactions from the pool.

miner/miner_test.go

@@ -29,10 +29,12 @@ import (
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/eth/downloader"
 	"github.com/ethereum/go-ethereum/event"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/trie"
 )
 
@@ -61,11 +63,16 @@ func (m *mockBackend) StateAtBlock(block *types.Block, reexec uint64, base *stat
 }
 
 type testBlockChain struct {
+	config        *params.ChainConfig
 	statedb       *state.StateDB
 	gasLimit      uint64
 	chainHeadFeed *event.Feed
 }
 
+func (bc *testBlockChain) Config() *params.ChainConfig {
+	return bc.config
+}
+
 func (bc *testBlockChain) CurrentBlock() *types.Header {
 	return &types.Header{
 		Number:   new(big.Int),
@@ -265,10 +272,12 @@ func createMiner(t *testing.T) (*Miner, *event.TypeMux, func(skipMiner bool)) {
 		t.Fatalf("can't create new chain %v", err)
 	}
 	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(chainDB), nil)
-	blockchain := &testBlockChain{statedb, 10000000, new(event.Feed)}
+	blockchain := &testBlockChain{chainConfig, statedb, 10000000, new(event.Feed)}
 
-	pool := txpool.New(testTxPoolConfig, chainConfig, blockchain)
+	pool := legacypool.New(testTxPoolConfig, blockchain)
-	backend := NewMockBackend(bc, pool)
+	txpool, _ := txpool.New(new(big.Int).SetUint64(testTxPoolConfig.PriceLimit), blockchain, []txpool.SubPool{pool})
+
+	backend := NewMockBackend(bc, txpool)
 	// Create event Mux
 	mux := new(event.TypeMux)
 	// Create Miner
@@ -276,7 +285,7 @@ func createMiner(t *testing.T) (*Miner, *event.TypeMux, func(skipMiner bool)) {
 	cleanup := func(skipMiner bool) {
 		bc.Stop()
 		engine.Close()
-		pool.Stop()
+		txpool.Close()
 		if !skipMiner {
 			miner.Close()
 		}

miner/stress/clique/main.go

@@ -31,6 +31,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/fdlimit"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/eth"
@@ -132,7 +133,7 @@ func main() {
 		if err != nil {
 			panic(err)
 		}
-		if err := backend.TxPool().AddLocal(tx); err != nil {
+		if err := backend.TxPool().Add([]*txpool.Transaction{{Tx: tx}}, true, false); err != nil {
 			panic(err)
 		}
 		nonces[index]++
@@ -206,7 +207,7 @@ func makeSealer(genesis *core.Genesis) (*node.Node, *eth.Ethereum, error) {
 		SyncMode:        downloader.FullSync,
 		DatabaseCache:   256,
 		DatabaseHandles: 256,
-		TxPool:          txpool.DefaultConfig,
+		TxPool:          legacypool.DefaultConfig,
 		GPO:             ethconfig.Defaults.GPO,
 		Miner: miner.Config{
 			GasCeil:  genesis.GasLimit * 11 / 10,

miner/worker.go

@@ -533,7 +533,7 @@ func (w *worker) mainLoop() {
 				if gp := w.current.gasPool; gp != nil && gp.Gas() < params.TxGas {
 					continue
 				}
-				txs := make(map[common.Address]types.Transactions, len(ev.Txs))
+				txs := make(map[common.Address][]*types.Transaction, len(ev.Txs))
 				for _, tx := range ev.Txs {
 					acc, _ := types.Sender(w.current.signer, tx)
 					txs[acc] = append(txs[acc], tx)
@@ -904,7 +904,13 @@ func (w *worker) fillTransactions(interrupt *atomic.Int32, env *environment) err
 	// Split the pending transactions into locals and remotes
 	// Fill the block with all available pending transactions.
 	pending := w.eth.TxPool().Pending(true)
-	localTxs, remoteTxs := make(map[common.Address]types.Transactions), pending
+	/*blobtxs := w.eth.BlobPool().Pending(
+		uint256.MustFromBig(env.header.BaseFee),
+		uint256.MustFromBig(misc.CalcBlobFee(*env.header.ExcessDataGas)),
+	)
+	log.Trace("Side-effect log, much wow", "blobs", len(blobtxs))*/
+
+	localTxs, remoteTxs := make(map[common.Address][]*types.Transaction), pending
 	for _, account := range w.eth.TxPool().Locals() {
 		if txs := remoteTxs[account]; len(txs) > 0 {
 			delete(remoteTxs, account)

miner/worker_test.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -49,7 +50,7 @@ const (
 
 var (
 	// Test chain configurations
-	testTxPoolConfig  txpool.Config
+	testTxPoolConfig  legacypool.Config
 	ethashChainConfig *params.ChainConfig
 	cliqueChainConfig *params.ChainConfig
 
@@ -62,7 +63,7 @@ var (
 	testUserAddress = crypto.PubkeyToAddress(testUserKey.PublicKey)
 
 	// Test transactions
-	pendingTxs []*types.Transaction
+	pendingTxs []*txpool.Transaction
 	newTxs     []*types.Transaction
 
 	testConfig = &Config{
@@ -72,7 +73,7 @@ var (
 )
 
 func init() {
-	testTxPoolConfig = txpool.DefaultConfig
+	testTxPoolConfig = legacypool.DefaultConfig
 	testTxPoolConfig.Journal = ""
 	ethashChainConfig = new(params.ChainConfig)
 	*ethashChainConfig = *params.TestChainConfig
@@ -92,7 +93,7 @@ func init() {
 		Gas:      params.TxGas,
 		GasPrice: big.NewInt(params.InitialBaseFee),
 	})
-	pendingTxs = append(pendingTxs, tx1)
+	pendingTxs = append(pendingTxs, &txpool.Transaction{Tx: tx1})
 
 	tx2 := types.MustSignNewTx(testBankKey, signer, &types.LegacyTx{
 		Nonce:    1,
@@ -132,10 +133,13 @@ func newTestWorkerBackend(t *testing.T, chainConfig *params.ChainConfig, engine
 	if err != nil {
 		t.Fatalf("core.NewBlockChain failed: %v", err)
 	}
+	pool := legacypool.New(testTxPoolConfig, chain)
+	txpool, _ := txpool.New(new(big.Int).SetUint64(testTxPoolConfig.PriceLimit), chain, []txpool.SubPool{pool})
+
 	return &testWorkerBackend{
 		db:      db,
 		chain:   chain,
-		txPool:  txpool.New(testTxPoolConfig, chainConfig, chain),
+		txPool:  txpool,
 		genesis: gspec,
 	}
 }
@@ -156,7 +160,7 @@ func (b *testWorkerBackend) newRandomTx(creation bool) *types.Transaction {
 
 func newTestWorker(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine, db ethdb.Database, blocks int) (*worker, *testWorkerBackend) {
 	backend := newTestWorkerBackend(t, chainConfig, engine, db, blocks)
-	backend.txPool.AddLocals(pendingTxs)
+	backend.txPool.Add(pendingTxs, true, false)
 	w := newWorker(testConfig, chainConfig, engine, backend, new(event.TypeMux), nil, false)
 	w.setEtherbase(testBankAddress)
 	return w, backend
@@ -190,8 +194,8 @@ func TestGenerateAndImportBlock(t *testing.T) {
 	w.start()
 
 	for i := 0; i < 5; i++ {
-		b.txPool.AddLocal(b.newRandomTx(true))
+		b.txPool.Add([]*txpool.Transaction{{Tx: b.newRandomTx(true)}}, true, false)
-		b.txPool.AddLocal(b.newRandomTx(false))
+		b.txPool.Add([]*txpool.Transaction{{Tx: b.newRandomTx(false)}}, true, false)
 
 		select {
 		case ev := <-sub.Chan():

params/protocol_params.go

@@ -160,6 +160,8 @@ const (
 	RefundQuotient        uint64 = 2
 	RefundQuotientEIP3529 uint64 = 5
 
+	BlobTxBytesPerFieldElement         = 32      // Size in bytes of a field element
+	BlobTxFieldElementsPerBlob         = 4096    // Number of field elements stored in a single data blob
 	BlobTxHashVersion                  = 0x01    // Version byte of the commitment hash
 	BlobTxMaxDataGasPerBlock           = 1 << 19 // Maximum consumable data gas for data blobs per block
 	BlobTxTargetDataGasPerBlock        = 1 << 18 // Target consumable data gas for data blobs per block (for 1559-like pricing)

tests/fuzzers/les/les-fuzzer.go

@@ -27,6 +27,7 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/txpool"
+	"github.com/ethereum/go-ethereum/core/txpool/legacypool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -128,6 +129,9 @@ type fuzzer struct {
 }
 
 func newFuzzer(input []byte) *fuzzer {
+	pool := legacypool.New(legacypool.DefaultConfig, chain)
+	txpool, _ := txpool.New(new(big.Int).SetUint64(legacypool.DefaultConfig.PriceLimit), chain, []txpool.SubPool{pool})
+
 	return &fuzzer{
 		chain:     chain,
 		chainLen:  testChainLen,
@@ -138,7 +142,7 @@ func newFuzzer(input []byte) *fuzzer {
 		chtKeys:   chtKeys,
 		bloomKeys: bloomKeys,
 		nonce:     uint64(len(txHashes)),
-		pool:      txpool.New(txpool.DefaultConfig, params.TestChainConfig, chain),
+		pool:      txpool,
 		input:     bytes.NewReader(input),
 	}
 }

tests/fuzzers/txfetcher/txfetcher_fuzzer.go

@@ -25,6 +25,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/mclock"
+	"github.com/ethereum/go-ethereum/core/txpool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/eth/fetcher"
 )
@@ -79,7 +80,7 @@ func Fuzz(input []byte) int {
 
 	f := fetcher.NewTxFetcherForTests(
 		func(common.Hash) bool { return false },
-		func(txs []*types.Transaction) []error {
+		func(txs []*txpool.Transaction) []error {
 			return make([]error, len(txs))
 		},
 		func(string, []common.Hash) error { return nil },