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Public Account Key

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 ethers 和 @kaiachain/ethers-ext 軟件包，在 ethers.js 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。 以太坊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

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。

向區塊鏈發送 tx。 函數 "sendTransaction "使用賬戶的私鑰進行內部簽名，然後將其傳輸到區塊鏈網絡。

如果已在區塊鏈中完成發送，wait函數將返回發送回執。

AccountUpdateWithPubKey.js

const { ethers } = require("ethers");

const { Wallet, TxType, AccountKeyType } = require("@kaiachain/ethers-ext/v5");

// Using senderPriv == senderNewPriv to execute this example repeatedly.

// But you should use AccountKeyPublic to register a different private key.

const senderAddr = "0xe15cd70a41dfb05e7214004d7d054801b2a2f06b";

const senderPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";

const senderNewPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";

const provider = new ethers.providers.JsonRpcProvider("https://public-en-kairos.node.kaia.io");

const wallet = new Wallet(senderAddr, senderPriv, provider); // decoupled account

async function main() {

const senderNewPub = ethers.utils.computePublicKey(senderNewPriv, true);

console.log("pub", senderNewPub);

const tx = {

type: TxType.AccountUpdate,

from: senderAddr,

key: {

type: AccountKeyType.Public,

key: senderNewPub,

}

};

const sentTx = await wallet.sendTransaction(tx);

console.log("sentTx", sentTx.hash);

const receipt = await sentTx.wait();

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

}