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@tokuryoo(tokuryoo)

web3.jsでノード上にアカウントを作る

Last updated at 2019-01-14Posted at 2019-01-11

web3 1.0.0-beta を利用して、geth(private)のノード上にアカウントを作る手順。
（ローカルに秘密鍵を作るのではなく、接続先のノード上に秘密鍵を作る）

geth起動

geth --rpc --rpcapi "personal" --networkid "15" --nodiscover console

Node.js側でJavaScript実装(web3.jsを用いて)

newAccount.js

web3.eth.personal.newAccount('password1').then( function (address) {
  console.log("typeof(address)", typeof(address));
  console.log("address", address);
}).catch( function ( error ) {
  console.log(error);
});

実行

$ node newAccount.js
typeof(address) string
address 0x890917A6AE8E24667f75679dAB5dfb30Fd7599F6

参考

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