proxy/eth_getUncleByBlockNumberAndIndex - 获取指定叔伯区块

使用proxy模块的eth_getUncleByBlockNumberAndIndex方法获取指定编号区块 的指定序号的叔伯区块。

API调用

GET|POST /api

查询|表单参数：

• module：proxy
• action：eth_getUncleByBlockNumberAndIndex
• tag：区块编号
• index：叔伯块索引序号
• apikey：etherscan API密钥

API返回结果

返回结果为一个JSON对象，主要字段如下：

• jsonrpc：RPC版本号，2.0
• id：RPC请求编号
• result：调用结果指定编号区块的详细数据，包含以下字段：
  • difficulty：区块难度
  • extraData：额外数据
  • gasLimit：gas上限
  • gasUsed：已用gas
  • hash：区块哈希值
  • logsBloom：bloom日志
  • miner：出块账号
  • mixHash：混合哈希值
  • nonce：nonce值
  • number：
  • parentHash：父区块哈希
  • receiptsRoot：收据树根哈希
  • sha3Uncles：叔伯块sha3哈希
  • size：区块字节数
  • stateRoot：状态树根哈希
  • timeStamp：时间戳
  • totalDifficulty：到该区块为止的总难度
  • transactionsRoot：交易树根哈希
  • uncles：叔伯块清单数组

示例代码

以curl为例的调用代码如下，也可以点击这里查看浏览器中的运行结果：

~$ curl https://api.etherscan.io/api?module=proxy&action=eth_getUncleByBlockNumberAndIndex&tag=0x210A9B&index=0x0&apikey=YourApiKeyToken

返回结果如下：

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "difficulty": "0x3db79ff5de86",
    "extraData": "0x7777772e62772e636f6d",
    "gasLimit": "0x47e7c4",
    "gasUsed": "0x14820",
    "hash": "0x5ad884f542215bbb0b7e2558b2309ce89132e559ee1b001e81b77e702b43d932",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
    "miner": "0xbcdfc35b86bedf72f0cda046a3c16829a2ef41d1",
    "mixHash": "0x8d3e8e65a0803e3c023bafcd373e1d272c4f463ba0116f3e9591a8dc1e5b5018",
    "nonce": "0x151a6600143aad31",
    "number": "0x210a99",
    "parentHash": "0x30fe09876530e366a49b6a3aa64c26cf7cd4348aa32a6ad83564b0ea4b3830ed",
    "receiptsRoot": "0xf43ffa3981d0c714e1f677082fc15e69f408263f542bb98a2ac47d8d92f540fe",
    "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
    "size": "0x212",
    "stateRoot": "0xce52569ccaa08e9030fc0fa5750332f7d2bc111699e3adb6c6927b73b5c56f14",
    "timestamp": "0x57c515ba",
    "totalDifficulty": null,
    "transactionsRoot": "0x057c513a2722663a43b29d66b49809876289e3c7497b84e3bee52bb7648fba50",
    "uncles": []
  }
}