46 lines
1.1 KiB
Nim
46 lines
1.1 KiB
Nim
|
## Nim-Dagger
|
||
|
|
## Copyright (c) 2021 Status Research & Development GmbH
|
||
|
|
## Licensed under either of
|
||
|
|
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
|
||
|
|
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
|
||
|
|
## at your option.
|
||
|
|
## This file may not be copied, modified, or distributed except according to
|
||
|
|
## those terms.
|
||
|
|
|
||
|
|
import std/sequtils
|
||
|
|
|
||
|
|
import pkg/chronos
|
||
|
|
import ./blockstore
|
||
|
|
|
||
|
|
type
|
||
|
|
BlockStoreManager* = ref object of BlockStore
|
||
|
|
stores: seq[BlockStore]
|
||
|
|
|
||
|
|
proc addProvider*(b: BlockStoreManager, provider: BlockStore) =
|
||
|
|
b.stores.add(provider)
|
||
|
|
|
||
|
|
proc removeProvider*(b: BlockStoreManager, provider: BlockStore) =
|
||
|
|
b.stores.keepItIf( it != provider )
|
||
|
|
|
||
|
|
method addChangeHandler*(
|
||
|
|
s: BlockStoreManager,
|
||
|
|
handler: BlocksChangeHandler,
|
||
|
|
changeType: ChangeType) =
|
||
|
|
## Add change handler to all registered
|
||
|
|
## block stores
|
||
|
|
##
|
||
|
|
|
||
|
|
for p in s.stores:
|
||
|
|
p.addChangeHandler(handler, changeType)
|
||
|
|
|
||
|
|
method removeChangeHandler*(
|
||
|
|
s: BlockStoreManager,
|
||
|
|
handler: BlocksChangeHandler,
|
||
|
|
changeType: ChangeType) =
|
||
|
|
## Remove change handler from all registered
|
||
|
|
## block stores
|
||
|
|
##
|
||
|
|
|
||
|
|
for p in s.stores:
|
||
|
|
p.removeChangeHandler(handler, changeType)
|