4.5.1 队列事件定义概述

各个业务系统通过http调用中间件服务的接口，中间件服务端处理完业务，并同步区块数据，根据具体的情况选择合适的消息模式将数据传到RocketMQ队列中。业务系统再调用相应约定好的消息模式取得相应的数据。队列事件会将区块链所有业务数据返回回来，用户可通过相应字段过滤和自己有关的数据。返回结果中的状态码code在API服务错误码中解释。注意，在下列队列事件类型中，标题名即是队列事件类型Tag名，具体使用方法请参考开源的RocketMQ说明。

4.5.1.1 EVENT_BLOCKNUMBER

消息类型：String

描述：区块链块基本信息，可通过该事件判断交易是否超时，即块号大于超时块号blockLimit，还没有交易结果，交易超时。

事件返回：

事件返回：

{
  "blockNumber": 461429,
  "blockHash": "6baff293e52eb64c8f08af1e979a0232799f7e4099af22b7777afca4f995ec21",
  "preBlockHash": "1b20b6fa1eb1882d1b3b78f21219064a42b50c8d3a7b1a6b4edf298c16f6115b",
  "blockTime": 1523258534000
}

4.5.1.2 EVENT_TX_RECORDED

消息类型：String

描述：交易上链结果

事件返回：

事件示例：

{
  "txHash": "bfa38721a1329b62c86d3d89eb29bf50066ab7248051d8e46c2ff6d72f5f61e6",
  "success": true,
  "bizId": "15232584904663177560751671767456",
  "code": 0,
  "blockNumber": 461416,
  "signer": "aaaffeb54c563c3eee2eec1ada933fdb5c07122b",
  "contractList": [
    "55086cef9e6bd12bc9d98c80f268b7fb9a6ca00b"
  ]
}

4.5.1.3 EVENT_CONTRACT_CREATE

消息类型：String

描述：收到合约创建事件，比如创建存证记录

事件返回：

事件示例：

{
  "contractAddress": "687f8d1c6e87892ad431c58ed23193f2a206d34c",
  "bizId": "15232584398987404768042364175660",
  "timestamp": 1523258444000,
  "blockNumber": 461399,
  "txHash": "d69e14de28455821f8b01142c314337d6cdc568d90c16eda240b73299b838dc5",
  "data": [
    {
      "tableName": "Record",
      "create": true,
      "tableColumn": {
        "updatorAddress": "ab4b0a79df5f1d710fe3fd4613312bc60e1fbcf7",
        "registryAddress": "55086cef9e6bd12bc9d98c80f268b7fb9a6ca00b",
        "preSeqId": null,
        "bizId": "15232584398987404768042364175660",
        "contractAddress": "687f8d1c6e87892ad431c58ed23193f2a206d34c",
        "recordData": "recordData",
        "creatorAddress": "ab4b0a79df5f1d710fe3fd4613312bc60e1fbcf7",
        "seqId": "record-1523258439898",
        "customString": "customString"
      }
    }
  ]
}

4.5.1.4 EVENT_CONTRACT_UPDATED

消息类型：String

描述：收到智能合约更新事件，比如更新存证记录

事件返回：

事件示例：

{
  "contractAddress": "c8375c01b56024276206d342d9c7902ad7e3207d",
  "bizId": "15232609064943480557577484125530",
  "timestamp": 1523260910000,
  "blockNumber": 462221,
  "txHash": "13aef81b2ff6d80ddfa326bba1853f908857aca4843d6fef85f1c029cd56877e",
  "data": [
    {
      "tableName": "Record",
      "create": false,
      "tableColumn": {
        "updatorAddress": "ab4b0a79df5f1d710fe3fd4613312bc60e1fbcf7",
        "registryAddress": "b6ae9b3d32a5dfc6e5403c7c27f31d3994dc54fc",
        "preSeqId": null,
        "bizId": "15232609064943480557577484125530",
        "contractAddress": "c8375c01b56024276206d342d9c7902ad7e3207d",
        "recordData": "recordData",
        "creatorAddress": "ab4b0a79df5f1d710fe3fd4613312bc60e1fbcf7",
        "seqId": "record-1523260907043",
        "customString": "customString"
      }
    }
  ]
}

4.5.1.5 EVENT_AUTOTXRETRY_SUCCESS

消息类型：String

描述：收到重试交易成功事件

事件返回：

事件示例：

{
  "flowNumber": "15232584904663177560751671767456",
  "blockLimit": 10021,
  "bizId": "12937492347927937",
  "contractAddress": "e3772c2001aca5cf6a098523442d8692b98b2e8f",
  "txHash": "fae20e7c0b906f050063b3e9840f62f3b46f80369306e6e24d4e217ab4e0e181",
  "blockNumber": 12838,
  "retryTimes": 1,
  "txStatus": "SUCCESS",
  "description": "",
  "createTime": "2018-09-19 14:20:00",
  "updateTime": "2018-09-19 19:20:00"
}

4.5.1.6 EVENT_AUTOTXRETRY_INVALID

消息类型：String

描述：收到重试交易失效事件

事件返回：

事件示例：

{
  "flowNumber": "15232584904663177560751671767456",
  "blockLimit": 10021,
  "bizId": "12937492347927937",
  "retryTimes": 1,
  "txStatus": "INVALID",
  "txHash": "fae20e7c0b906f050063b3e9840f62f3b46f80369306e6e24d4e217ab4e0e181",
  "description": "",
  "createTime": "2018-09-19 14:20:00",
  "updateTime": "2018-09-19 19:20:00"
}