28 lines
1.1 KiB
Nim

{.push raises: [Defect].}
import
std/options,
stew/results,
../../../protocol/waku_message,
../../../protocol/waku_store/waku_store_types,
../../../utils/time,
../../../utils/pagination
## This module defines a message store interface. Implementations of
## MessageStore are used by the `WakuStore` protocol to store and
## retrieve historical messages
type
DataProc* = proc(receiverTimestamp: Timestamp, msg: WakuMessage, pubsubTopic: string) {.closure, raises: [Defect].}
MessageStoreResult*[T] = Result[T, string]
MessageStore* = ref object of RootObj
# MessageStore interface
method put*(db: MessageStore, cursor: Index, message: WakuMessage, pubsubTopic: string): MessageStoreResult[void] {.base.} = discard
method getAll*(db: MessageStore, onData: DataProc): MessageStoreResult[bool] {.base.} = discard
method getPage*(db: MessageStore, pred: QueryFilterMatcher, pagingInfo: PagingInfo): MessageStoreResult[(seq[WakuMessage], PagingInfo, HistoryResponseError)] {.base.} = discard
method getPage*(db: MessageStore, pagingInfo: PagingInfo): MessageStoreResult[(seq[WakuMessage], PagingInfo, HistoryResponseError)] {.base.} = discard