bugfix, pending transaction was resend with new gas price/limit but not removed from transaction pool

core/transaction_pool.go

@@ -356,11 +356,12 @@ func (self *TxPool) RemoveTransactions(txs types.Transactions) {
 	self.mu.Lock()
 	defer self.mu.Unlock()
 	for _, tx := range txs {
-		self.removeTx(tx.Hash())
+		self.RemoveTx(tx.Hash())
 	}
 }
 
-func (pool *TxPool) removeTx(hash common.Hash) {
+// RemoveTx removes the transaction with the given hash from the pool.
+func (pool *TxPool) RemoveTx(hash common.Hash) {
 	// delete from pending pool
 	delete(pool.pending, hash)
 	// delete from queue