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core/rawdb: do prefixed lookup first

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This commit is contained in:
Martin Holst Swende 2022-01-25 10:51:18 +01:00
parent f9ce40bb84
commit 0e35192797
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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. // ReadCode retrieves the contract code of the provided code hash.
func ReadCode(db ethdb.KeyValueReader, hash common.Hash) []byte { func ReadCode(db ethdb.KeyValueReader, hash common.Hash) []byte {
// Try with the legacy code scheme first, if not then try with current // Try with the prefixed code scheme first, if not then try with legacy
// scheme. Since most of the code will be found with legacy scheme. // scheme.
// data := ReadCodeWithPrefix(db, hash)
// todo(rjl493456442) change the order when we forcibly upgrade the code
// scheme with snapshot.
data, _ := db.Get(hash[:])
if len(data) != 0 { if len(data) != 0 {
return data return data
} }
return ReadCodeWithPrefix(db, hash) data, _ := db.Get(hash[:])
return data
} }
// ReadCodeWithPrefix retrieves the contract code of the provided code hash. // ReadCodeWithPrefix retrieves the contract code of the provided code hash.