core: check transaction/receipt count match when reconstructing blocks (#16272)

This commit is contained in:
Kyuntae Ethan Kim 2018-03-07 19:05:14 +09:00 committed by Péter Szilágyi
parent d43ffdbf6a
commit 63687f04e4
2 changed files with 11 additions and 3 deletions

View File

@ -723,10 +723,13 @@ func (bc *BlockChain) Rollback(chain []common.Hash) {
}
// SetReceiptsData computes all the non-consensus fields of the receipts
func SetReceiptsData(config *params.ChainConfig, block *types.Block, receipts types.Receipts) {
func SetReceiptsData(config *params.ChainConfig, block *types.Block, receipts types.Receipts) error {
signer := types.MakeSigner(config, block.Number())
transactions, logIndex := block.Transactions(), uint(0)
if len(transactions) != len(receipts) {
return errors.New("transaction and receipt count mismatch")
}
for j := 0; j < len(receipts); j++ {
// The transaction hash can be retrieved from the transaction itself
@ -754,6 +757,7 @@ func SetReceiptsData(config *params.ChainConfig, block *types.Block, receipts ty
logIndex++
}
}
return nil
}
// InsertReceiptChain attempts to complete an already existing header chain with
@ -794,7 +798,9 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
continue
}
// Compute all the non-consensus fields of the receipts
SetReceiptsData(bc.chainConfig, block, receipts)
if err := SetReceiptsData(bc.chainConfig, block, receipts); err != nil {
return i, fmt.Errorf("failed to set receipts data: %v", err)
}
// Write all the data out into the database
if err := WriteBody(batch, block.Hash(), block.NumberU64(), block.Body()); err != nil {
return i, fmt.Errorf("failed to write block body: %v", err)

View File

@ -144,7 +144,9 @@ func GetBlockReceipts(ctx context.Context, odr OdrBackend, hash common.Hash, num
genesis := core.GetCanonicalHash(odr.Database(), 0)
config, _ := core.GetChainConfig(odr.Database(), genesis)
core.SetReceiptsData(config, block, receipts)
if err := core.SetReceiptsData(config, block, receipts); err != nil {
return nil, err
}
core.WriteBlockReceipts(odr.Database(), hash, number, receipts)
}
return receipts, nil