openapi: 3.1.0
info:
  title: EOSIO / Antelope Nodeos Chain Get Abi Get Info API
  description: HTTP/JSON RPC interface exposed by the chain_api_plugin in nodeos, the reference EOSIO (now Antelope) blockchain node implementation. The chain API allows clients to read blockchain state, fetch blocks and accounts, inspect ABI and contract data, and submit signed transactions to the network.
  version: '1.0'
  contact:
    name: EOS Network Foundation
    url: https://eosnetwork.com/
  license:
    name: MIT
    url: https://github.com/AntelopeIO/leap/blob/main/LICENSE
servers:
- url: '{node}/v1/chain'
  description: Nodeos HTTP RPC endpoint with chain_api_plugin enabled.
  variables:
    node:
      default: https://eos.greymass.com
      description: Base URL of an EOS/Antelope node.
tags:
- name: Get Info
paths:
  /get_info:
    get:
      summary: Get chain information
      description: Returns general state information about the blockchain, including the latest block, head block producer, and chain ID.
      operationId: getInfo
      responses:
        '200':
          description: Current chain state.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChainInfo'
      tags:
      - Get Info
components:
  schemas:
    ChainInfo:
      type: object
      properties:
        server_version:
          type: string
        chain_id:
          type: string
        head_block_num:
          type: integer
        last_irreversible_block_num:
          type: integer
        last_irreversible_block_id:
          type: string
        head_block_id:
          type: string
        head_block_time:
          type: string
          format: date-time
        head_block_producer:
          type: string
        virtual_block_cpu_limit:
          type: integer
        virtual_block_net_limit:
          type: integer
        block_cpu_limit:
          type: integer
        block_net_limit:
          type: integer
        server_version_string:
          type: string
        fork_db_head_block_num:
          type: integer
        fork_db_head_block_id:
          type: string