公共賬戶密鑰

AccountKeyPublic 用於有一個公鑰的賬戶。如果賬戶有一個 AccountKeyPublic 對象，交易驗證過程如下：

導入**@kaiachain/web3js-ext**軟件包，在 web3 上添加 kaia 功能

定義要更改的發件人地址、發件人私人密鑰和新私人密鑰

使用指定的 kairos 測試網 URL 設置提供程序。 web3js 中的提供者是訪問區塊鏈數據的只讀抽象。

此外，您還可以將提供商 URL 從 kairos 更改為 quicknode

使用提供程序定義Web3 實例

用私鑰和提供者創建發件人錢包

用新私鑰計算公鑰

聲明一個事務，其類型為 賬戶密鑰類型.公鑰，密鑰字段為新計算的公鑰。

用發件人的錢包簽署交易

向區塊鏈發送已簽名的 tx。它將返回交易的收據

AccountUpdateWithPubKey.js


const { Web3, TxType, AccountKeyType, toPeb, getPublicKeyFromPrivate } = require("@kaiachain/web3js-ext");
// Using senderPriv == senderNewPriv to execute this example repeatedly.
// But you might want to register a different private key.
const senderAddr = "0xfb60ded0ae96fe04eed6450aead860aa9d57128e";
const senderPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";
const senderNewPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";
const provider = new Web3.providers.HttpProvider("https://public-en-kairos.node.kaia.io");
const web3 = new Web3(provider);
const senderAccount = web3.eth.accounts.privateKeyToAccount(senderPriv);
async function main() {
  const senderNewPub = getPublicKeyFromPrivate(senderNewPriv);
  console.log({ senderNewPub });
  const tx = {
    type: TxType.AccountUpdate,
    from: senderAddr,
    key: {
      type: AccountKeyType.Public,
      key: senderNewPub,
    }
  };
  const signResult = await senderAccount.signTransaction(tx);
  console.log("signedTx", signResult.transactionHash);
  const receipt = await web3.eth.sendSignedTransaction(signResult.rawTransaction);
  console.log("receipt", receipt);
}
main().catch(console.error);

output


❯ js AccountUpdateWithPubKey.js
pub 0x03dc9dccbd788c00fa98f7f4082f2f714e799bc0c29d63f04d48b54fe6250453cd
sentTx 0x33a634875a49d8915bc6fde14f351b81d1fc470b64aef28bf95d3ea92f2dc4f7
receipt {
  to: '0xe15Cd70A41dfb05e7214004d7D054801b2a2f06b',
  from: '0xe15Cd70A41dfb05e7214004d7D054801b2a2f06b',
  contractAddress: null,
  transactionIndex: 1,
  gasUsed: BigNumber { _hex: '0xa028', _isBigNumber: true },
  logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
  blockHash: '0xb385b18c2e96c36e7fbbeb121cf2a48c0bb15f1a7af2f2969b133236ff7a14ea',
  transactionHash: '0x33a634875a49d8915bc6fde14f351b81d1fc470b64aef28bf95d3ea92f2dc4f7',
  logs: [],
  blockNumber: 152203491,
  confirmations: 2,
  cumulativeGasUsed: BigNumber { _hex: '0x02e456', _isBigNumber: true },
  effectiveGasPrice: BigNumber { _hex: '0x05d21dba00', _isBigNumber: true },
  status: 1,
  type: 0,
  byzantium: true
}