catalyst: check if block exists in assemble-block call with unknown parent-hash (#22770)

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Diederik Loerakker 2021-04-29 16:42:21 +02:00 committed by GitHub
parent 871f50b911
commit c7d07294a6
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1 changed files with 5 additions and 0 deletions

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@ -109,6 +109,11 @@ func (api *consensusAPI) AssembleBlock(params assembleBlockParams) (*executableD
bc := api.eth.BlockChain() bc := api.eth.BlockChain()
parent := bc.GetBlockByHash(params.ParentHash) parent := bc.GetBlockByHash(params.ParentHash)
if parent == nil {
log.Warn("Cannot assemble block with parent hash to unknown block", "parentHash", params.ParentHash)
return nil, fmt.Errorf("cannot assemble block with unknown parent %s", params.ParentHash)
}
pool := api.eth.TxPool() pool := api.eth.TxPool()
if parent.Time() >= params.Timestamp { if parent.Time() >= params.Timestamp {