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Merge pull request #24288 from holiman/prefer_prefixed 

core/rawdb: do prefixed lookup first
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Péter Szilágyi 2022-01-25 12:18:16 +02:00 committed by GitHub
parent f39f068161 0e35192797
commit 78f13a3a57
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1 changed files with 5 additions and 7 deletions
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12
core/rawdb/accessors_state.go
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@ -41,16 +41,14 @@ func WritePreimages(db ethdb.KeyValueWriter, preimages map[common.Hash][]byte) {
// ReadCode retrieves the contract code of the provided code hash.
func ReadCode(db ethdb.KeyValueReader, hash common.Hash) []byte {
// Try with the legacy code scheme first, if not then try with current
// scheme. Since most of the code will be found with legacy scheme.
//
// todo(rjl493456442) change the order when we forcibly upgrade the code
// scheme with snapshot.
data, _ := db.Get(hash[:])
// Try with the prefixed code scheme first, if not then try with legacy
// scheme.
data := ReadCodeWithPrefix(db, hash)
if len(data) != 0 {
return data
}
return ReadCodeWithPrefix(db, hash)
data, _ := db.Get(hash[:])
return data
}
// ReadCodeWithPrefix retrieves the contract code of the provided code hash.