mirror of https://github.com/status-im/nim-eth.git
47 lines
1.2 KiB
Nim
47 lines
1.2 KiB
Nim
{.push raises: [Defect].}
|
|
|
|
import os, rocksdb, ./kvstore, stew/results
|
|
|
|
export results
|
|
|
|
const maxOpenFiles = 512
|
|
|
|
type
|
|
RocksStoreRef* = ref object of RootObj
|
|
store: RocksDBInstance
|
|
|
|
proc get*(db: RocksStoreRef, key: openarray[byte], onData: kvstore.DataProc): KvResult[bool] =
|
|
db.store.get(key, onData)
|
|
|
|
proc put*(db: RocksStoreRef, key, value: openarray[byte]): KvResult[void] =
|
|
db.store.put(key, value)
|
|
|
|
proc contains*(db: RocksStoreRef, key: openarray[byte]): KvResult[bool] =
|
|
db.store.contains(key)
|
|
|
|
proc del*(db: RocksStoreRef, key: openarray[byte]): KvResult[void] =
|
|
db.store.del(key)
|
|
|
|
proc close*(db: RocksStoreRef) =
|
|
db.store.close
|
|
|
|
proc init*(
|
|
T: type RocksStoreRef, basePath: string, name: string,
|
|
readOnly = false): KvResult[T] =
|
|
let
|
|
dataDir = basePath / name / "data"
|
|
backupsDir = basePath / name / "backups"
|
|
|
|
try:
|
|
createDir(dataDir)
|
|
createDir(backupsDir)
|
|
except OSError, IOError:
|
|
return err("rocksdb: cannot create database directory")
|
|
|
|
var store: RocksDBInstance
|
|
if (let v = store.init(
|
|
dataDir, backupsDir, readOnly, maxOpenFiles = maxOpenFiles); v.isErr):
|
|
return err(v.error)
|
|
|
|
ok(T(store: store))
|