openapi: "3.0.2"
info:
  title: Grassroots Economics CIC Cache
  description: Cache of processed transaction data from Ethereum blockchain and worker queues
  termsOfService: bzz://grassrootseconomics.eth/terms
  contact:
    name: Grassroots Economics
    url: https://www.grassrootseconomics.org
    email: will@grassecon.org
  license:
    name: GPLv3
  version: 0.1.0

paths:
  /defaultlimit:
    summary: The default limit value of result sets.
    get:
      tags:
        - transactions
      description:
        Retrieve default limit
      operationId: limit.default
      responses:
        200:
          description: Limit query successful
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/Limit"


  /tx/{offset}/{limit}/{block_offset}/{block_end}:
    summary: Bloom filter for batch of latest transactions
    description: Generates a bloom filter of the specified transactions in the database. Any path query part having a value of zero will be discarded.
    get:
      tags:
        - transactions
      description:
        Retrieve transactions
      operationId: tx.get
      responses:
        200:
          description: Transaction query successful.
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/BlocksBloom"


    parameters:
    - name: offset
      in: path
      required: true
      schema:
        type: integer
        format: int32
    - name: limit
      in: path
      required: true
      schema:
        type: integer
        format: int32
    - name: block_offset
      in: path
      required: true
      schema:
        type: integer
        format: int32
    - name: block_end
      in: path
      required: true
      schema:
        type: integer
        format: int32

  /tx/{address}/{offset}/{limit}:
    description: Bloom filter for batch of latest transactions by account
    get:
      tags:
        - transactions
      description:
        Retrieve transactions
      operationId: tx.get.user
      responses:
        200:
          description: Transaction query successful. 
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/BlocksBloom"


    parameters:
    - name: address
      in: path
      required: true
      schema:
        type: string
    - name: offset
      in: path
      required: true
      schema:
        type: integer
        format: int32
    - name: limit
      in: path
      required: true
      schema:
        type: integer
        format: int32

components:
  schemas:
    Limit:
      type: integer
      format: int32
    BlocksBloom:
      type: object
      properties:
        low:
          type: integer
          format: int32
          description: The lowest block number included in the filter
        block_filter:
          type: string
          format: byte
          description: Block number filter
        blocktx_filter:
          type: string
          format: byte
          description: Block and tx index filter
        alg:
          type: string
          description: Hashing algorithm (currently only using sha256)
        filter_rounds:
          type: integer
          format: int32
          description: Number of hash rounds used to create the filter

  examples:
    data_last:
      summary: Get the latest cached transactions. 
      description: "Get the latest cached transactions. The maximum number of transactions returned is the value returned by the `/defaultlimit` query"
      value: "/tx"