getblockheader.md

getblockheader 方法

根据指定的散列值，返回对应的区块头信息。

{
  "jsonrpc": "2.0",
  "method": "getblockheader",
  "params": [hash, verbose],
  "id": 1
}

参数说明

• hash：区块散列值

• verbose：可选参数，verbose 默认值为 0

  • verbose = 0：返回的是区块头序列化后的信息，用 16 进制字符串表示，如果从中获取详细信息需要调用 SDK 来进行反序列化。
  • verbose = 1：返回的是对应区块头的详细信息，用 Json 格式字符串表示。

调用示例

verbose=0, 返回区块头序列化后的信息。

请求正文：

{
  "jsonrpc": "2.0",
  "method": "getblockheader",
  "params": ["479d71eae26a817647a373381f21de06c5e4bf3ee7717c948f006ce8e25441be"],
  "id": 1
}

响应正文：

{
    "jsonrpc": "2.0", 
    "id": "1", 
    "result": "0000000000000000000000000000000000000000000000000000000000000000000000008e29af06ec157a3d85717b1eb7317c3ef4049a7222d76c6dd4d5a24598c6571665fc885700000000f071d5fc6d2e2978a45842f05b1ac970e87d197700015100"
}

verbose = 1，返回 JSON 格式的结果。

请求正文：

{
  "jsonrpc": "2.0",
  "method": "getblockheader",
  "params": ["479d71eae26a817647a373381f21de06c5e4bf3ee7717c948f006ce8e25441be", 1],
  "id": 1
}

响应正文：

{
    "jsonrpc": "2.0", 
    "id": "1", 
    "result": {
        "hash": "0x479d71eae26a817647a373381f21de06c5e4bf3ee7717c948f006ce8e25441be", 
        "size": 100, 
        "version": 0, 
        "previousblockhash": "0x0000000000000000000000000000000000000000000000000000000000000000", 
        "merkleroot": "0x1657c69845a2d5d46d6cd722729a04f43e7c31b71e7b71853d7a15ec06af298e", 
        "time": 1468595301, 
        "index": 0, 
        "nextconsensus": "AdhEBzaBZujuj5kEiwvKmMVy5ydqj3AC3V", 
        "witness": {
            "invocation": "", 
            "verification": "51"
        }, 
        "confirmations": 6180, 
        "nextblockhash": "0x1c00023b24ba5328918f4a0adc35607c8f97913fdda88b4eb4c571e7bc613bf4"
    }
}