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core/rawdb: improve state scheme checking #28724

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Dec 22, 2023
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core/rawdb: improve state scheme checking #28724

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5 changes: 5 additions & 0 deletions core/rawdb/accessors_trie.go
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Original file line number Diff line number Diff line change
Expand Up @@ -292,6 +292,11 @@ func ReadStateScheme(db ethdb.Reader) string {
if len(blob) != 0 {
return PathScheme
}
// The root node might be deleted during the initial snap sync, check
// the persistent state id then.
if id := ReadPersistentStateID(db); id != 0 {
return PathScheme
}
// In a hash-based scheme, the genesis state is consistently stored
// on the disk. To assess the scheme of the persistent state, it
// suffices to inspect the scheme of the genesis state.
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