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20 lines
650 B
Nim
20 lines
650 B
Nim
import
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stew/results,
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../../../protocol/waku_message,
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../../../utils/pagination
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## This module defines a message store interface. Implementations of
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## MessageStore are used by the `WakuStore` protocol to store and re-
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## trieve historical messages
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type
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DataProc* = proc(timestamp: uint64, msg: WakuMessage) {.closure.}
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MessageStoreResult*[T] = Result[T, string]
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MessageStore* = ref object of RootObj
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# MessageStore interface
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method put*(db: MessageStore, cursor: Index, message: WakuMessage): MessageStoreResult[void] {.base.} = discard
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method getAll*(db: MessageStore, onData: DataProc): MessageStoreResult[bool] {.base.} = discard
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