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Merge pull request #22629 from karalabe/fix-chain-tracing-from-0

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eth: fix tracing state retrieval if requesting the non-dirty genesis
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Péter Szilágyi 2021-04-07 18:52:29 +03:00 committed by GitHub
commit 264fff7dd4
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1 changed files with 10 additions and 0 deletions
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10
eth/state_accessor.go
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@ -61,6 +61,16 @@ func (eth *Ethereum) stateAtBlock(block *types.Block, reexec uint64, base *state
// the internal junks created by tracing will be persisted into the disk.
database = state.NewDatabaseWithConfig(eth.chainDb, &trie.Config{Cache: 16})
// If we didn't check the dirty database, do check the clean one, otherwise
// we would rewind past a persisted block (specific corner case is chain
// tracing from the genesis).
if !checkLive {
statedb, err = state.New(current.Root(), database, nil)
if err == nil {
return statedb, nil
}
}
// Database does not have the state for the given block, try to regenerate
for i := uint64(0); i < reexec; i++ {
if current.NumberU64() == 0 {
return nil, errors.New("genesis state is missing")