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[DEV-34] Modified process.go to account for multiple previous hashes.

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This commit is contained in:
Stas Boutenko 2018-06-21 10:35:48 +03:00
parent bc5edffc92
commit 196d23e787
1 changed files with 18 additions and 8 deletions
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26
blockdag/process.go
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@ -211,15 +211,25 @@ func (b *BlockChain) ProcessBlock(block *btcutil.Block, flags BehaviorFlags) (bo
}
// Handle orphan blocks.
prevHash := &blockHeader.PrevBlock
prevHashExists, err := b.blockExists(prevHash)
if err != nil {
return false, false, err
}
if !prevHashExists {
log.Infof("Adding orphan block %v with parent %v", blockHash, prevHash)
b.addOrphanBlock(block)
numPrevHashes := blockHeader.NumPrevBlocks
prevHashes := blockHeader.PrevBlocks
allPrevHashesExist := true
for i := byte(0); i < numPrevHashes; i++ {
prevHash := prevHashes[i]
prevHashExists, err := b.blockExists(&prevHash)
if err != nil {
return false, false, err
}
if !prevHashExists {
log.Infof("Adding orphan block %v with parent %v", blockHash, prevHash)
b.addOrphanBlock(block)
allPrevHashesExist = false
}
}
if !allPrevHashesExist {
return false, true, nil
}