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core: return error if repair block failed

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This commit is contained in:
Franklin 2018-11-18 11:15:46 +08:00
parent d136e985e8
commit 24519aed01
1 changed files with 5 additions and 1 deletions
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6
core/blockchain.go
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@ -445,7 +445,11 @@ func (bc *BlockChain) repair(head **types.Block) error {
return nil
}
// Otherwise rewind one block and recheck state availability there
(*head) = bc.GetBlock((*head).ParentHash(), (*head).NumberU64()-1)
block := bc.GetBlock((*head).ParentHash(), (*head).NumberU64()-1)
if block == nil {
return fmt.Errorf("failed to repair block, can not get block at height %d", (*head).NumberU64())
}
(*head) = block
}
}