[R4R]Fix mining-prefetcher panic for empty transaction initial of txC…

…urr(#843)
bnb-chain · Apr 6, 2022 · 12c5eb0 · 12c5eb0
2 parents 05925da + 1ff4721
commit 12c5eb0
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/miner/worker.go b/miner/worker.go
@@ -782,10 +782,10 @@ func (w *worker) commitTransactions(txs *types.TransactionsByPriceAndNonce, coin
 
  interruptCh := make(chan struct{})
  defer close(interruptCh)
- tx := &types.Transaction{}
- txCurr := &tx
  //prefetch txs from all pending txs
  txsPrefetch := txs.Copy()
+ tx := txsPrefetch.Peek()
+ txCurr := &tx
  w.prefetcher.PrefetchMining(txsPrefetch, w.current.header, w.current.gasPool.Gas(), w.current.state.Copy(), *w.chain.GetVMConfig(), interruptCh, txCurr)
 
 LOOP: