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core: return error if repair block failed #18126

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merged 2 commits into from
Nov 23, 2018
Merged

core: return error if repair block failed #18126

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24519ae
core: return error if repair block failed
mrFranklin Nov 18, 2018
ea9bc8a
make error a bit shorter
mrFranklin Nov 21, 2018
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core: return error if repair block failed
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@mrFranklin
mrFranklin committed Nov 18, 2018
commit 24519aed01334e496582a45ec91ef6e801d07d08
6 changes: 5 additions & 1 deletion core/blockchain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -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())
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}
(*head) = block
}
}

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