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.jspub 0x03dc9dccbd788c00fa98f7f4082f2f714e799bc0c29d63f04d48b54fe6250453cdsentTx 0x33a634875a49d8915bc6fde14f351b81d1fc470b64aef28bf95d3ea92f2dc4f7receipt { 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}