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core, eth, les, trie: add a prefix to contract code (#21080)

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This commit is contained in:
gary rong
2020-08-21 20:10:40 +08:00
committed by GitHub
parent b68929caee
commit 87c0ba9213
42 changed files with 580 additions and 287 deletions
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19
trie/sync_bloom.go
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@ -25,6 +25,7 @@ import (
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
@ -41,8 +42,8 @@ var (
)
// syncBloomHasher is a wrapper around a byte blob to satisfy the interface API
// requirements of the bloom library used. It's used to convert a trie hash into
// a 64 bit mini hash.
// requirements of the bloom library used. It's used to convert a trie hash or
// contract code hash into a 64 bit mini hash.
type syncBloomHasher []byte
func (f syncBloomHasher) Write(p []byte) (n int, err error) { panic("not implemented") }
@ -53,9 +54,9 @@ func (f syncBloomHasher) Size() int { return 8 }
func (f syncBloomHasher) Sum64() uint64 { return binary.BigEndian.Uint64(f) }
// SyncBloom is a bloom filter used during fast sync to quickly decide if a trie
// node already exists on disk or not. It self populates from the provided disk
// database on creation in a background thread and will only start returning live
// results once that's finished.
// node or contract code already exists on disk or not. It self populates from the
// provided disk database on creation in a background thread and will only start
// returning live results once that's finished.
type SyncBloom struct {
bloom *bloomfilter.Filter
inited uint32
@ -107,10 +108,16 @@ func (b *SyncBloom) init(database ethdb.Iteratee) {
)
for it.Next() && atomic.LoadUint32(&b.closed) == 0 {
// If the database entry is a trie node, add it to the bloom
if key := it.Key(); len(key) == common.HashLength {
key := it.Key()
if len(key) == common.HashLength {
b.bloom.Add(syncBloomHasher(key))
bloomLoadMeter.Mark(1)
}
// If the database entry is a contract code, add it to the bloom
if ok, hash := rawdb.IsCodeKey(key); ok {
b.bloom.Add(syncBloomHasher(hash))
bloomLoadMeter.Mark(1)
}
// If enough time elapsed since the last iterator swap, restart
if time.Since(swap) > 8*time.Second {
key := common.CopyBytes(it.Key())