eth_getBlockByNumber
ブロック番号に基づきブロックの情報を返します。
パラメータ
1. QUANTITY|TAG
ブロック番号の整数値
または、以下のいずれかの文字列
"latest"
"earliest"
"pending"
2. Boolean
true の場合は、すべてのトランザクションオブジェクトを返します。
false の場合は、トランザクションのハッシュのみを返します。
code:params.js
params: [
'0x1b4', // 436
true
]
戻り値
サンプル
code:example.sh
// Request
curl -X POST --data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":"0x1b4", true,"id":1}' Infura を使用したサンプル
GET
code:infura_example_get.sh
POST
code:infura_example_post.sh
curl -i -X POST \
-H "Content-Type: application/json" \
--data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":"0x1b4", false,"id":1}' \ RESPONSE
code:infura_response.sh
{"jsonrpc":"2.0","id":1,"result":{"difficulty":"0x4ea3f27bc","extraData":"0x476574682f4c5649562f76312e302e302f6c696e75782f676f312e342e32","gasLimit":"0x1388","gasUsed":"0x0","hash":"0xdc0818cf78f21a8e70579cb46a43643f78291264dda342ae31049421c82d21ae","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","miner":"0xbb7b8287f3f0a933474a79eae42cbca977791171","mixHash":"0x4fffe9ae21f1c9e15207b1f472d5bbdd68c9595d461666602f2be20daf5e7843","nonce":"0x689056015818adbe","number":"0x1b4","parentHash":"0xe99e022112df268087ea7eafaf4790497fd21dbeeb6bd7a1721df161a6657a54","receiptsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421","sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347","size":"0x220","stateRoot":"0xddc8b0234c2e0cad087c8b389aa7ef01f7d79b2570bccb77ce48648aa61c904d","timestamp":"0x55ba467c","totalDifficulty":"0x78ed983323d","transactions":[],"transactionsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421","uncles":[]}}
動作サンプル
code:demo.js
let html = '<div><h1>eth_getBlockByNumber</h1></div>'
+ '<div>'
+ '<div>block number(hex): <input type="text" id="input" size="60"></input></div>'
+ '<div>option (Boolean): <input type="text" id="input2" size="60" value="false"></input></div>'
+ '<button onclick="run()">実行</button>'
+ '</div>'
+ '<div><textarea id="result" cols="100" rows="30" readonly></textarea></div>'
$(document.body).append(html)
function run() {
let input = $('#input').val()
let input2 = $('#input2').val()
if (input.length > 2 && input2.length > 3) {
.then((response) => {
console.log(response)
$('#result').html(JSON.stringify(response, null, '\t'))
})
}
}
参考