forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-08-20 10:52:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

core/rawdb: calculate the hash in the fly

Browse source
This commit is contained in:
rjl493456442 2019-11-19 16:04:20 +08:00
parent 59a0610670
commit 18e74e9448
1 changed files with 5 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
core/rawdb/accessors_chain.go
View file

@ -23,6 +23,7 @@ import (
"github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params" "github.com/ethereum/go-ethereum/params"
@ -177,12 +178,9 @@ func ReadHeaderRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValu
// comparison is necessary since ancient database only maintains // comparison is necessary since ancient database only maintains
// the canonical data. // the canonical data.
data, _ := db.Ancient(freezerHeaderTable, number) data, _ := db.Ancient(freezerHeaderTable, number)
if len(data) > 0 { if len(data) > 0 && crypto.Keccak256Hash(data) == hash {
h, _ := db.Ancient(freezerHashTable, number)
if common.BytesToHash(h) == hash {
return data return data
} }
}
// Then try to look up the data in leveldb. // Then try to look up the data in leveldb.
data, _ = db.Get(headerKey(number, hash)) data, _ = db.Get(headerKey(number, hash))
if len(data) > 0 { if len(data) > 0 {
@ -193,12 +191,9 @@ func ReadHeaderRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValu
// but when we reach into leveldb, the data was already moved. That would // but when we reach into leveldb, the data was already moved. That would
// result in a not found error. // result in a not found error.
data, _ = db.Ancient(freezerHeaderTable, number) data, _ = db.Ancient(freezerHeaderTable, number)
if len(data) > 0 { if len(data) > 0 && crypto.Keccak256Hash(data) == hash {
h, _ := db.Ancient(freezerHashTable, number)
if common.BytesToHash(h) == hash {
return data return data
} }
}
return nil // Can't find the data anywhere. return nil // Can't find the data anywhere.
} }