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Handle a ZeroHash as our Eth1 Genesis Block Root (#10218)

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This commit is contained in:
Nishant Das
2022-02-10 19:28:57 +08:00
committed by GitHub
parent d51b52d432
commit 3f5ce0cdca
1 changed files with 13 additions and 6 deletions
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19
beacon-chain/powchain/service.go
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@@ -798,13 +798,20 @@ func (s *Service) initPOWService() {
// Handle edge case with embedded genesis state by fetching genesis header to determine
// its height.
if s.chainStartData.Chainstarted && s.chainStartData.GenesisBlock == 0 {
genHeader, err := s.eth1DataFetcher.HeaderByHash(ctx, common.BytesToHash(s.chainStartData.Eth1Data.BlockHash))
if err != nil {
log.Errorf("Unable to retrieve genesis ETH1.0 chain header: %v", err)
s.retryETH1Node(err)
continue
genHash := common.BytesToHash(s.chainStartData.Eth1Data.BlockHash)
genBlock := s.chainStartData.GenesisBlock
// In the event our provided chainstart data references a non-existent blockhash
// we assume the genesis block to be 0.
if genHash != [32]byte{} {
genHeader, err := s.eth1DataFetcher.HeaderByHash(ctx, genHash)
if err != nil {
log.Errorf("Unable to retrieve genesis ETH1.0 chain header: %v", err)
s.retryETH1Node(err)
continue
}
genBlock = genHeader.Number.Uint64()
}
s.chainStartData.GenesisBlock = genHeader.Number.Uint64()
s.chainStartData.GenesisBlock = genBlock
if err := s.savePowchainData(ctx); err != nil {
log.Errorf("Unable to save powchain data: %v", err)
}