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snapshot_ext.go
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/
snapshot_ext.go
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package snapshot
import (
"time"
"github.com/ava-labs/subnet-evm/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
)
func (t *Tree) DiskAccountIterator(seek common.Hash) AccountIterator {
t.lock.Lock()
defer t.lock.Unlock()
return t.disklayer().AccountIterator(seek)
}
func (t *Tree) DiskStorageIterator(account common.Hash, seek common.Hash) StorageIterator {
t.lock.Lock()
defer t.lock.Unlock()
it, _ := t.disklayer().StorageIterator(account, seek)
return it
}
// NewDiskLayer creates a diskLayer for direct access to the contents of the on-disk
// snapshot. Does not perform any validation.
func NewDiskLayer(diskdb ethdb.KeyValueStore) Snapshot {
return &diskLayer{
diskdb: diskdb,
created: time.Now(),
// state sync uses iterators to access data, so this cache is not used.
// initializing it out of caution.
cache: utils.NewMeteredCache(32*1024, "", 0),
}
}
// NewTestTree creates a *Tree with a pre-populated diskLayer
func NewTestTree(diskdb ethdb.KeyValueStore, blockHash, root common.Hash) *Tree {
base := &diskLayer{
diskdb: diskdb,
root: root,
blockHash: blockHash,
cache: utils.NewMeteredCache(128*256, "", 0),
created: time.Now(),
}
return &Tree{
blockLayers: map[common.Hash]snapshot{
blockHash: base,
},
stateLayers: map[common.Hash]map[common.Hash]snapshot{
root: {
blockHash: base,
},
},
}
}