feat(taiko_miner): add BuildTransactionsListsWithMinTip method (#283)

* fix(taiko_worker): fix a `maxBytesPerTxList` check issue

* feat(taiko_miner): add `BuildTransactionsListsWithMinTip` method

* update

eth/taiko_api_backend.go

@@ -102,3 +102,34 @@ func (a *TaikoAuthAPIBackend) TxPoolContent(
 		maxTransactionsLists,
 	)
 }
+
+// TxPoolContentWithMinTip retrieves the transaction pool content with the given upper limits and minimum tip.
+func (a *TaikoAuthAPIBackend) TxPoolContentWithMinTip(
+	beneficiary common.Address,
+	baseFee *big.Int,
+	blockMaxGasLimit uint64,
+	maxBytesPerTxList uint64,
+	locals []string,
+	maxTransactionsLists uint64,
+	minTip uint64,
+) ([]*miner.PreBuiltTxList, error) {
+	log.Debug(
+		"Fetching L2 pending transactions finished",
+		"baseFee", baseFee,
+		"blockMaxGasLimit", blockMaxGasLimit,
+		"maxBytesPerTxList", maxBytesPerTxList,
+		"maxTransactions", maxTransactionsLists,
+		"locals", locals,
+		"minTip", minTip,
+	)
+
+	return a.eth.Miner().BuildTransactionsListsWithMinTip(
+		beneficiary,
+		baseFee,
+		blockMaxGasLimit,
+		maxBytesPerTxList,
+		locals,
+		maxTransactionsLists,
+		minTip,
+	)
+}

miner/taiko_miner.go

@@ -35,6 +35,28 @@ func (miner *Miner) BuildTransactionsLists(
 	maxBytesPerTxList uint64,
 	locals []string,
 	maxTransactionsLists uint64,
+) ([]*PreBuiltTxList, error) {
+	return miner.BuildTransactionsListsWithMinTip(
+		beneficiary,
+		baseFee,
+		blockMaxGasLimit,
+		maxBytesPerTxList,
+		locals,
+		maxTransactionsLists,
+		0,
+	)
+}
+
+// BuildTransactionsListsWithMinTip builds multiple transactions lists which satisfy all
+// the given limits and minimum tip.
+func (miner *Miner) BuildTransactionsListsWithMinTip(
+	beneficiary common.Address,
+	baseFee *big.Int,
+	blockMaxGasLimit uint64,
+	maxBytesPerTxList uint64,
+	locals []string,
+	maxTransactionsLists uint64,
+	minTip uint64,
 ) ([]*PreBuiltTxList, error) {
 	return miner.worker.BuildTransactionsLists(
 		beneficiary,
@@ -43,5 +65,6 @@ func (miner *Miner) BuildTransactionsLists(
 		maxBytesPerTxList,
 		locals,
 		maxTransactionsLists,
+		minTip,
 	)
 }

miner/taiko_worker.go

@@ -6,8 +6,6 @@ import (
 	"errors"
 	"fmt"
 	"math/big"
-	"os"
-	"strconv"
 	"time"
 
 	"github.com/ethereum/go-ethereum/beacon/engine"
@@ -34,6 +32,7 @@ func (w *worker) BuildTransactionsLists(
 	maxBytesPerTxList uint64,
 	localAccounts []string,
 	maxTransactionsLists uint64,
+	minTip uint64,
 ) ([]*PreBuiltTxList, error) {
 	var (
 		txsLists    []*PreBuiltTxList
@@ -96,6 +95,7 @@ func (w *worker) BuildTransactionsLists(
 			newTransactionsByPriceAndNonce(signer, locals, baseFee),
 			newTransactionsByPriceAndNonce(signer, remotes, baseFee),
 			maxBytesPerTxList,
+			minTip,
 		)
 
 		b, err := encodeAndComporeessTxList(env.txs)
@@ -243,6 +243,7 @@ func (w *worker) commitL2Transactions(
 	txsLocal *transactionsByPriceAndNonce,
 	txsRemote *transactionsByPriceAndNonce,
 	maxBytesPerTxList uint64,
+	minTip uint64,
 ) *types.Transaction {
 	var (
 		txs             = txsLocal
@@ -280,17 +281,10 @@ loop:
 			continue
 		}
 
-		if os.Getenv("TAIKO_MIN_TIP") != "" {
+		if tx.GasTipCapIntCmp(new(big.Int).SetUint64(minTip)) < 0 {
-			minTip, err := strconv.Atoi(os.Getenv("TAIKO_MIN_TIP"))
+			log.Trace("Ignoring transaction with low tip", "hash", tx.Hash(), "tip", tx.GasTipCap(), "minTip", minTip)
-			if err != nil {
+			txs.Pop()
-				log.Error("Failed to parse TAIKO_MIN_TIP", "err", err)
+			continue
-			} else {
-				if tx.GasTipCapIntCmp(new(big.Int).SetUint64(uint64(minTip))) < 0 {
-					log.Trace("Ignoring transaction with low tip", "hash", tx.Hash(), "tip", tx.GasTipCap(), "minTip", minTip)
-					txs.Pop()
-					continue
-				}
-			}
 		}
 
 		// Error may be ignored here. The error has already been checked