forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-07-25 14:16:44 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Add trie caching for misses

Browse source
This commit is contained in:
Nick Johnson 2016-09-23 07:01:48 +08:00
parent 7c12e8ea44
commit c7c2e8e990
1 changed files with 10 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
trie/trie.go
View file

@ -410,11 +410,16 @@ func (t *Trie) resolve(n node, prefix, suffix []byte) (node, error) {
} }
func (t *Trie) resolveHash(n hashNode, prefix, suffix []byte) (node, error) { func (t *Trie) resolveHash(n hashNode, prefix, suffix []byte) (node, error) {
if v, ok := globalCache.Get(n); ok { var v node = nil
return v, nil var ok bool
} if v, ok = globalCache.Get(n); !ok {
enc, err := t.db.Get(n) enc, err := t.db.Get(n)
if err != nil || enc == nil { if err == nil && enc != nil {
v = mustDecodeNode(n, enc)
}
globalCache.Put(n, v)
}
if v == nil {
return nil, &MissingNodeError{ return nil, &MissingNodeError{
RootHash: t.originalRoot, RootHash: t.originalRoot,
NodeHash: common.BytesToHash(n), NodeHash: common.BytesToHash(n),
@ -423,11 +428,7 @@ func (t *Trie) resolveHash(n hashNode, prefix, suffix []byte) (node, error) {
SuffixLen: len(suffix), SuffixLen: len(suffix),
} }
} }
dec := mustDecodeNode(n, enc) return v, nil
if dec != nil {
globalCache.Put(n, dec)
}
return dec, nil
} }
// Root returns the root hash of the trie. // Root returns the root hash of the trie.