# /store/v3/messages:
get:
  summary: Gets message history
  description: >
    Retrieves Waku message history. The returned history
    can be potentially filtered by optional request parameters.
  operationId: getMessageHistory
  tags:
    - store
  parameters:
    - name: peerAddr
      in: query
      schema:
        type: string
      required: true
      description: >
        P2P fully qualified peer multiaddress
        in the format `(ip4|ip6)/tcp/p2p/$peerId` and URL-encoded.
      example: '%2Fip4%2F127.0.0.1%2Ftcp%2F60001%2Fp2p%2F16Uiu2HAmVFXtAfSj4EiR7mL2KvL4EE2wztuQgUSBoj2Jx2KeXFLN'

    - name: includeData
      in: query
      schema:
        type: string
      description: >
        Boolean indicating if the query should return messages (data) or hashes only.
        A value of 'false' returns hashes only.
        A value of 'true' returns hashes AND messages.
        Default value is 'false'
      example: 'true'

    - name: pubsubTopic
      in: query
      schema:
        type: string
      description: >
        The pubsub topic on which a WakuMessage is published.
        If left empty, no filtering is applied.
        It is also intended for pagination purposes.
        It should be a URL-encoded string.
      example: 'my%20pubsub%20topic'

    - name: contentTopics
      in: query
      schema: string
      description: >
        Comma-separated list of content topics. When specified,
        only WakuMessages that are linked to any of the given
        content topics will be delivered in the get response.
        It should be a URL-encoded-comma-separated string.
      example: 'my%20first%20content%20topic%2Cmy%20second%20content%20topic%2Cmy%20third%20content%20topic'

    - name: startTime
      in: query
      schema:
        type: string
      description: >
        The inclusive lower bound on the timestamp of
        queried WakuMessages. This field holds the
        Unix epoch time in nanoseconds as a 64-bits
        integer value.
      example: '1680590945000000000'

    - name: endTime
      in: query
      schema:
        type: string
      description: >
        The inclusive upper bound on the timestamp of
        queried WakuMessages. This field holds the
        Unix epoch time in nanoseconds as a 64-bits
        integer value.
      example: '1680590945000000000'

    - name: hashes
      in: query
      schema:
        type: string
      description: >
        Comma-separated list of message hashes.
        URL-base64-encoded string computed as a hash of messages.
        Used to find messages by hash.
      example: 'Gc4ACThW5t2QQO82huq3WnDv%2FapPPJpD%2FwJfxDxAnR0%3D'

    - name: cursor
      in: query
      schema:
        type: string
      description: >
        Cursor field intended for pagination purposes.
        URL-base64-encoded string computed as a hash of a message.
        It could be empty for retrieving the first page,
        and will be returned from the GET response so that
        it can be part of the next page request.
      example: 'Gc4ACThW5t2QQO82huq3WnDv%2FapPPJpD%2FwJfxDxAnR0%3D'

    - name: pageSize
      in: query
      schema:
        type: string
      description: >
        Number of messages to retrieve per page
      example: '5'

    - name: ascending
      in: query
      schema:
        type: string
      description: >
        "true" for paging forward, "false" for paging backward.
        If not specified or if specified with an invalid value, the default is "true".
      example: "true"

  responses:
    '200':
      description: Waku message history.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/StoreQueryResponse'
    '400':
      description: Bad request error.
      content:
        text/plain:
          type: string
    '412':
      description: Precondition failed.
      content:
        text/plain:
          type: string
    '500':
      description: Internal server error.
      content:
        text/plain:
          type: string