cerc-io/plugeth
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Validate block header UncleHash against calculated hash

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This commit is contained in:
Gustav Simonsson 2015-04-22 15:29:19 +02:00
parent ec6acacc53
commit 4e0a2c8e8c
2 changed files with 13 additions and 2 deletions
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11
core/block_processor.go
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@ -219,14 +219,21 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs st
// can be used by light clients to make sure they've received the correct Txs
txSha := types.DeriveSha(block.Transactions())
if txSha != header.TxHash {
err = fmt.Errorf("validating transaction root. received=%x got=%x", header.TxHash, txSha)
err = fmt.Errorf("invalid transaction root hash. received=%x calculated=%x", header.TxHash, txSha)
return
}
// Tre receipt Trie's root (R = (Tr [[H1, R1], ... [Hn, R1]]))
receiptSha := types.DeriveSha(receipts)
if receiptSha != header.ReceiptHash {
err = fmt.Errorf("validating receipt root. received=%x got=%x", header.ReceiptHash, receiptSha)
err = fmt.Errorf("invalid receipt root hash. received=%x calculated=%x", header.ReceiptHash, receiptSha)
return
}
// Verify UncleHash before running other uncle validations
unclesSha := block.CalculateUnclesHash()
if unclesSha != header.UncleHash {
err = fmt.Errorf("invalid uncles root hash. received=%x calculated=%x", header.UncleHash, unclesSha)
return
}

4
core/types/block.go
View File

@ -209,6 +209,10 @@ func (self *Block) Uncles() []*Header {
return self.uncles
}
func (self *Block) CalculateUnclesHash() common.Hash {
return rlpHash(self.uncles)
}
func (self *Block) SetUncles(uncleHeaders []*Header) {
self.uncles = uncleHeaders
self.header.UncleHash = rlpHash(uncleHeaders)