mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-12-11 15:30:07 +00:00
0d0a27d271
Importing 100K blocks starting at 1.4M, before this patch: real 6m0,356s user 8m52,293s sys 0m47,372s After this patch: real 4m17,748s user 6m23,316s sys 0m37,866s Almost 30% better.
82 lines
2.5 KiB
Go
82 lines
2.5 KiB
Go
package core
|
|
|
|
import (
|
|
"github.com/CityOfZion/neo-go/pkg/core/state"
|
|
"github.com/CityOfZion/neo-go/pkg/core/storage"
|
|
"github.com/CityOfZion/neo-go/pkg/util"
|
|
)
|
|
|
|
// cachedDao is a data access object that mimics dao, but has a write cache
|
|
// for accounts and read cache for contracts. These are the most frequently used
|
|
// objects in the storeBlock().
|
|
type cachedDao struct {
|
|
dao
|
|
accounts map[util.Uint160]*state.Account
|
|
contracts map[util.Uint160]*state.Contract
|
|
}
|
|
|
|
// newCachedDao returns new cachedDao wrapping around given backing store.
|
|
func newCachedDao(backend storage.Store) *cachedDao {
|
|
accs := make(map[util.Uint160]*state.Account)
|
|
ctrs := make(map[util.Uint160]*state.Contract)
|
|
return &cachedDao{*newDao(backend), accs, ctrs}
|
|
}
|
|
|
|
// GetAccountStateOrNew retrieves Account from cache or underlying Store
|
|
// or creates a new one if it doesn't exist.
|
|
func (cd *cachedDao) GetAccountStateOrNew(hash util.Uint160) (*state.Account, error) {
|
|
if cd.accounts[hash] != nil {
|
|
return cd.accounts[hash], nil
|
|
}
|
|
return cd.dao.GetAccountStateOrNew(hash)
|
|
}
|
|
|
|
// GetAccountState retrieves Account from cache or underlying Store.
|
|
func (cd *cachedDao) GetAccountState(hash util.Uint160) (*state.Account, error) {
|
|
if cd.accounts[hash] != nil {
|
|
return cd.accounts[hash], nil
|
|
}
|
|
return cd.dao.GetAccountState(hash)
|
|
}
|
|
|
|
// PutAccountState saves given Account in the cache.
|
|
func (cd *cachedDao) PutAccountState(as *state.Account) error {
|
|
cd.accounts[as.ScriptHash] = as
|
|
return nil
|
|
}
|
|
|
|
// GetContractState returns contract state from cache or underlying Store.
|
|
func (cd *cachedDao) GetContractState(hash util.Uint160) (*state.Contract, error) {
|
|
if cd.contracts[hash] != nil {
|
|
return cd.contracts[hash], nil
|
|
}
|
|
cs, err := cd.dao.GetContractState(hash)
|
|
if err == nil {
|
|
cd.contracts[hash] = cs
|
|
}
|
|
return cs, err
|
|
}
|
|
|
|
// PutContractState puts given contract state into the given store.
|
|
func (cd *cachedDao) PutContractState(cs *state.Contract) error {
|
|
cd.contracts[cs.ScriptHash()] = cs
|
|
return cd.dao.PutContractState(cs)
|
|
}
|
|
|
|
// DeleteContractState deletes given contract state in cache and backing Store.
|
|
func (cd *cachedDao) DeleteContractState(hash util.Uint160) error {
|
|
cd.contracts[hash] = nil
|
|
return cd.dao.DeleteContractState(hash)
|
|
}
|
|
|
|
// Persist flushes all the changes made into the (supposedly) persistent
|
|
// underlying store.
|
|
func (cd *cachedDao) Persist() (int, error) {
|
|
for sc := range cd.accounts {
|
|
err := cd.dao.PutAccountState(cd.accounts[sc])
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
}
|
|
return cd.dao.Persist()
|
|
}
|