Created
March 6, 2018 00:41
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="UTF-8"> | |
<script src="./web3.min.js"></script> | |
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> | |
</head> | |
<body> | |
<script> | |
$(async function(){ | |
if (typeof web3 !== 'undefined') { | |
console.log("MetaMask (とか)が inject されました"); | |
web3 = new Web3(web3.currentProvider); | |
console.log("version: ", web3.version); | |
// Ether の送付元アドレス | |
// MetaMask の現在のアドレスを自動的に取得します。 | |
accounts = await web3.eth.getAccounts(); | |
fromAddress = accounts[0]; | |
// Ether の送付先アドレス | |
toAddress = "0x461CD10705dED66EF31BF652B7050b4FC919D208"; | |
// 送付する Ether の量 | |
ethvalue = 0.121; | |
// 送付する Ether の量を wei に変換します。 | |
weiValue = web3.utils.toWei(ethvalue, 'ether'); | |
// トランザクションオブジェクトを作成します。 | |
txObject = { | |
from: fromAddress, // Ether の送付元アドレス | |
to: toAddress, // Ether の送付先アドレス | |
value: weiValue, // 送付する Ether の量(単位は wei) | |
} | |
console.log(txObject); | |
// トランザクションを実行します。 | |
web3.eth.sendTransaction(txObject) | |
.on('transactionHash', function(hash){ | |
console.log("transaction hash: ", hash); | |
}) | |
.on('receipt', function(receipt){ | |
console.log("receipt: ", receipt); | |
}) | |
.on('confirmation', function(confirmationNumber, receipt){ | |
console.log("confirmationNumber: ", confirmationNumber); | |
}) | |
.on('error', console.error); | |
} else { | |
console.log("MetaMask(とか)を使用してください。"); | |
} | |
}); | |
</script> | |
</body> | |
</html> |
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