eth_getCode

与えられたアドレスのコードを返します。

パラメータ

20バイト

アドレス

ブロック番号

または、以下のいずれかの文字列

"latest"

"pending"

code:params.js

params: [

'0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b',

'0x2' // 2

]

戻り値

DATA

与えられたアドレスのコード

サンプル

code:example.sh

// Request

// Result

{

"id":1,

"jsonrpc": "2.0",

"result": "0x600160008035811a818181146012578301005b601b6001356025565b8060005260206000f25b600060078202905091905056"

}

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" \

RESPONSE

code:infura_response.sh

{"jsonrpc":"2.0","id":1,"result":"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動作サンプル

code:demo.js

$(document.body).append('<div><h1>eth_getCode</h1></div>')

$(document.body).append('<div>address: <input type="text" id="address" size="60"></input></div>')

$(document.body).append('<div><textarea id="result" cols="100" rows="30" readonly></textarea></div>')

$('#address').on('input', function(event) {

let address = $('#address').val()

if (address.length == 42) {

.then((response) => {

console.log(response)

$('#result').html(JSON.stringify(response, null, '\t'))

})

}

})

参考

メモ