cerc-io/laconicd
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This commit is contained in:
Alexey Akhunov 2018-08-10 14:22:59 +01:00
parent 674595d6c9
commit 80cfa77826
2 changed files with 20 additions and 15 deletions
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25
state/database.go
View File

@ -59,7 +59,7 @@ type Database struct {
// EXTCODESIZE calls. // EXTCODESIZE calls.
codeSizeCache *lru.Cache codeSizeCache *lru.Cache
dataCache *lru.Cache storeCache *lru.Cache
Tracing bool Tracing bool
} }
@ -68,7 +68,7 @@ type Database struct {
// implements Ethereum's state.Database interface. An error is returned if the // implements Ethereum's state.Database interface. An error is returned if the
// latest state failed to load. The underlying storage structure is defined by // latest state failed to load. The underlying storage structure is defined by
// the Cosmos SDK IAVL tree. // the Cosmos SDK IAVL tree.
func NewDatabase(stateDB, codeDB dbm.DB, dataCacheSize int) (*Database, error) { func NewDatabase(stateDB, codeDB dbm.DB, storeCacheSize int) (*Database, error) {
// Initialize an implementation of Ethereum state.Database and create a // Initialize an implementation of Ethereum state.Database and create a
// Cosmos SDK multi-store. // Cosmos SDK multi-store.
db := &Database{ db := &Database{
@ -95,8 +95,13 @@ func NewDatabase(stateDB, codeDB dbm.DB, dataCacheSize int) (*Database, error) {
db.codeDB = codeDB db.codeDB = codeDB
db.ethTrieDB = ethtrie.NewDatabase(&core.EthereumDB{CodeDB: codeDB}) db.ethTrieDB = ethtrie.NewDatabase(&core.EthereumDB{CodeDB: codeDB})
db.codeSizeCache, _ = lru.New(codeSizeCacheSize) var err error
db.dataCache, _ = lru.New(dataCacheSize) if db.codeSizeCache, err = lru.New(codeSizeCacheSize); err != nil {
return nil, err
}
if db.storeCache, err = lru.New(storeCacheSize); err != nil {
return nil, err
}
return db, nil return db, nil
} }
@ -136,7 +141,7 @@ func (db *Database) OpenTrie(root ethcmn.Hash) (ethstate.Trie, error) {
store: db.accountsCache, store: db.accountsCache,
accountsCache: db.accountsCache, accountsCache: db.accountsCache,
storageCache: db.storageCache, storageCache: db.storageCache,
dataCache: db.dataCache, storeCache: db.storeCache,
ethTrieDB: db.ethTrieDB, ethTrieDB: db.ethTrieDB,
empty: isRootEmpty(root), empty: isRootEmpty(root),
root: rootHashFromVersion(db.stateStore.LastCommitID().Version), root: rootHashFromVersion(db.stateStore.LastCommitID().Version),
@ -158,11 +163,11 @@ func (db *Database) OpenStorageTrie(addrHash, root ethcmn.Hash) (ethstate.Trie,
// a contract storage trie does not need an accountCache, storageCache or // a contract storage trie does not need an accountCache, storageCache or
// an Ethereum trie because it will not be used upon commitment. // an Ethereum trie because it will not be used upon commitment.
return &Trie{ return &Trie{
store: db.storageCache, store: db.storageCache,
dataCache: db.dataCache, storeCache: db.storeCache,
prefix: addrHash.Bytes(), prefix: addrHash.Bytes(),
empty: isRootEmpty(root), empty: isRootEmpty(root),
root: rootHashFromVersion(db.stateStore.LastCommitID().Version), root: rootHashFromVersion(db.stateStore.LastCommitID().Version),
}, nil }, nil
} }

10
state/trie.go
View File

@ -27,7 +27,7 @@ type Trie struct {
// ordering. // ordering.
storageCache store.CacheKVStore storageCache store.CacheKVStore
dataCache *lru.Cache storeCache *lru.Cache
// Store is an IAVL KV store that is part of a larger store except it used // Store is an IAVL KV store that is part of a larger store except it used
// for a specific prefix. It will either be an accountsCache or a // for a specific prefix. It will either be an accountsCache or a
@ -69,11 +69,11 @@ func (t *Trie) TryGet(key []byte) ([]byte, error) {
key = t.prefixKey(key) key = t.prefixKey(key)
} }
keyStr := string(key) keyStr := string(key)
if cached, ok := t.dataCache.Get(keyStr); ok { if cached, ok := t.storeCache.Get(keyStr); ok {
return cached.([]byte), nil return cached.([]byte), nil
} }
value := t.store.Get(key) value := t.store.Get(key)
t.dataCache.Add(keyStr, value) t.storeCache.Add(keyStr, value)
return value, nil return value, nil
} }
@ -92,7 +92,7 @@ func (t *Trie) TryUpdate(key, value []byte) error {
} }
t.store.Set(key, value) t.store.Set(key, value)
t.dataCache.Add(string(key), value) t.storeCache.Add(string(key), value)
return nil return nil
} }
@ -108,7 +108,7 @@ func (t *Trie) TryDelete(key []byte) error {
} }
t.store.Delete(key) t.store.Delete(key)
t.dataCache.Remove(string(key)) t.storeCache.Remove(string(key))
return nil return nil
} }