all: switch gas limits from big.Int to uint64

1 files changed, 6 insertions, 7 deletions

diff --git a/core/tx_list.go b/core/tx_list.go
index 838433b89..55fc42617 100644
--- a/core/tx_list.go
+++ b/core/tx_list.go
@@ -224,7 +224,7 @@ type txList struct {
 	txs    *txSortedMap // Heap indexed sorted hash map of the transactions
 
 	costcap *big.Int // Price of the highest costing transaction (reset only if exceeds balance)
-	gascap  *big.Int // Gas limit of the highest spending transaction (reset only if exceeds block limit)
+	gascap  uint64   // Gas limit of the highest spending transaction (reset only if exceeds block limit)
 }
 
 // newTxList create a new transaction list for maintaining nonce-indexable fast,
@@ -234,7 +234,6 @@ func newTxList(strict bool) *txList {
 		strict:  strict,
 		txs:     newTxSortedMap(),
 		costcap: new(big.Int),
-		gascap:  new(big.Int),
 	}
 }
 
@@ -266,7 +265,7 @@ func (l *txList) Add(tx *types.Transaction, priceBump uint64) (bool, *types.Tran
 	if cost := tx.Cost(); l.costcap.Cmp(cost) < 0 {
 		l.costcap = cost
 	}
-	if gas := tx.Gas(); l.gascap.Cmp(gas) < 0 {
+	if gas := tx.Gas(); l.gascap < gas {
 		l.gascap = gas
 	}
 	return true, old
@@ -288,16 +287,16 @@ func (l *txList) Forward(threshold uint64) types.Transactions {
 // a point in calculating all the costs or if the balance covers all. If the threshold
 // is lower than the costgas cap, the caps will be reset to a new high after removing
 // the newly invalidated transactions.
-func (l *txList) Filter(costLimit, gasLimit *big.Int) (types.Transactions, types.Transactions) {
+func (l *txList) Filter(costLimit *big.Int, gasLimit uint64) (types.Transactions, types.Transactions) {
 	// If all transactions are below the threshold, short circuit
-	if l.costcap.Cmp(costLimit) <= 0 && l.gascap.Cmp(gasLimit) <= 0 {
+	if l.costcap.Cmp(costLimit) <= 0 && l.gascap <= gasLimit {
 		return nil, nil
 	}
 	l.costcap = new(big.Int).Set(costLimit) // Lower the caps to the thresholds
-	l.gascap = new(big.Int).Set(gasLimit)
+	l.gascap = gasLimit
 
 	// Filter out all the transactions above the account's funds
-	removed := l.txs.Filter(func(tx *types.Transaction) bool { return tx.Cost().Cmp(costLimit) > 0 || tx.Gas().Cmp(gasLimit) > 0 })
+	removed := l.txs.Filter(func(tx *types.Transaction) bool { return tx.Cost().Cmp(costLimit) > 0 || tx.Gas() > gasLimit })
 
 	// If the list was strict, filter anything above the lowest nonce
 	var invalids types.Transactions