openapi: 3.0.0
info:
  version: "v0.1"
  title: "Rarible Transaction Backend API"
servers:
  - description: "Production (mainnet) Environment"
    url: "https://transaction.rarible.org/"
  - description: "Staging Environment"
    url: "https://transaction-staging.rarible.org/"
  - description: "Development Environment"
    url: "https://dev-transaction.rarible.org/"
paths:
  /v0.1/orders/buy-tx:
    post:
      operationId: "buy-tx"
      description: "Get transaction data for NFT purchase"
      requestBody:
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/FillRequest"
        required: true
      responses:
        "200":
          description: "OK"
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/FillResponse"
        "400":
          $ref: "#/components/responses/BadRequest"
        "500":
          $ref: "#/components/responses/ServerError"
components:
  schemas:
    FillRequest:
      type: object
      required:
        - request
        - from
      properties:
        from:
          $ref: "#/components/schemas/UnionAddress"
        request:
          type: object
          required:
            - orderId
            - amount
          properties:
            orderId:
              $ref: "#/components/schemas/OrderId"
            amount:
              type: number
              example: 1
              description: "Amount of NFT to get from offer order"
            originFees:
              type: array
              description: "Additional fees for marketplace"
              items:
                $ref: "#/components/schemas/Part"
            payouts:
              type: array
              description: "Payouts"
              items:
                $ref: "#/components/schemas/Part"
    FillResponse:
      type: object
      properties:
        from:
          $ref: "#/components/schemas/EthereumAddress"
        to:
          $ref: "#/components/schemas/EthereumAddress"
        value:
          $ref: "#/components/schemas/BigInteger"
        data:
          type: string
          example: "0xe99a3f800000081bd4df76e423639f8876010d0a8192bb4..."
          description: "Transaction data for signing"
    UnionAddress:
      type: string
      description: "Blockchain address in Union format `${blockchainGroup}:${token}`"
      example: "ETHEREUM:0x0d28e9Bd340e48370475553D21Bd0A95c9a60F92"
    OrderId:
      type: string
      description: "Rarible OrderId in Union format `${blockchainGroup}:${orderId}`"
      example: "ETHEREUM:0x3b304559e5975b0b6aa37cecf58808f1426b11a8af9fb37d59282fe65c125e36"
    EthereumAddress:
      type: string
      example: "0x4765273c477c2dc484da4f1984639e943adccfeb"
    Part:
      type: object
      properties:
        account:
          $ref: "#/components/schemas/UnionAddress"
        value:
          type: integer
      required:
        - account
        - value
    BigInteger:
      type: string
      description: "Big number representation"
      example: "123456"
    ApiErrorResponse:
      required:
        - "message"
      type: object
      properties:
        message:
          type: string
          description: "Error message"
  responses:
    BadRequest:
      description: "Bad Request"
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/ApiErrorResponse"
    ServerError:
      description: "Internal Server Error"
      content:
        application/json:
          schema:
            $ref: "#/components/schemas/ApiErrorResponse"