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blockchain: optimize HaveBlock (#720)

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If a block is known to exist in the memory chain or database then
there is no need to check the orphan pool.
This commit is contained in:
David Hill 2016-07-25 11:16:57 -04:00 committed by Dave Collins
parent 00ebb9d14d
commit 61a15f6f1b
1 changed files with 1 additions and 1 deletions
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blockchain/chain.go
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@ -238,7 +238,7 @@ func (b *BlockChain) HaveBlock(hash *wire.ShaHash) (bool, error) {
if err != nil { if err != nil {
return false, err return false, err
} }
return b.IsKnownOrphan(hash) || exists, nil return exists || b.IsKnownOrphan(hash), nil
} }
// IsKnownOrphan returns whether the passed hash is currently a known orphan. // IsKnownOrphan returns whether the passed hash is currently a known orphan.