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core: fix missing nil check, close XFN-114 (#1696)

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Daniel Liu 2025-11-03 15:14:27 +08:00 committed by benjamin202410
parent 307b127063
commit aab6e89242
1 changed files with 4 additions and 0 deletions
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4
core/blockchain.go
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@ -1703,6 +1703,10 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
var winner []*types.Block var winner []*types.Block
parent := bc.GetBlock(block.ParentHash(), block.NumberU64()-1) parent := bc.GetBlock(block.ParentHash(), block.NumberU64()-1)
if parent == nil {
log.Error("[insertChain] fail to get parent block", "number", block.NumberU64()-1, "hash", block.ParentHash())
return i, events, coalescedLogs, fmt.Errorf("fail to get parent block, number: %v, hash: %v", block.NumberU64()-1, block.ParentHash())
}
for !bc.HasFullState(parent) { for !bc.HasFullState(parent) {
winner = append(winner, parent) winner = append(winner, parent)
parent = bc.GetBlock(parent.ParentHash(), parent.NumberU64()-1) parent = bc.GetBlock(parent.ParentHash(), parent.NumberU64()-1)