Public Account Key

AccountKeyPublic 用于有一个公钥的账户。 如果账户有一个 AccountKeyPublic 对象，交易验证过程如下：

导入 ethers 和 @kaiachain/ethers-ext 软件包，在 ethers.js 上添加 kaia 功能

定义发件人的地址和私人密钥

定义接收方的地址

使用指定的 kairos 测试网 URL 设置提供程序。 以太坊中的提供者是访问区块链数据的只读抽象。

此外，您还可以将提供商 URL 从 kairos 更改为 quicknode

用私钥和提供者创建发件人钱包

使用 type.TxType.ValueTransfer 创建一个价值转移事务，以便以后使用 klay_recoverFromTransaction 恢复：TxType.ValueTransfer"，以便以后使用 "klay_recoverFromTransaction "恢复它

用发件人的钱包签署交易，"populateTransaction "方法为交易对象添加更多参数，如gas、nonce...

将签署的交易发送至 kaia 网络

等待交易完成并打印收据

使用 klay_recoverFromMessage 从已签署的事务中恢复地址

SignTxWithPubkeyExample.js

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

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

const senderAddr = "0xe15cd70a41dfb05e7214004d7d054801b2a2f06b";

const senderPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";

const senderNewPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";

const recieverAddr = "0xc40b6909eb7085590e1c26cb3becc25368e249e9";

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

const newWallet = new Wallet(senderAddr, senderNewPriv, provider); // decoupled account

async function main() {

let tx = { // use Klaytn TxType to send transaction from Klaytn typed account

type: TxType.ValueTransfer,

from: senderAddr,

to: recieverAddr,

value: parseKlay("0.01"),

};

const populatedTx = await newWallet.populateTransaction(tx);

const rawTx = await newWallet.signTransaction(populatedTx);

console.log("rawTx", rawTx);

const sentTx = await newWallet.sendTransaction(tx);

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

const receipt = await sentTx.wait();

console.log("receipt", receipt);

const addr = await provider.send("klay_recoverFromTransaction", [rawTx, "latest"]);

console.log("recoveredAddr rpc", addr, addr.toLowerCase() === senderAddr.toLowerCase());

}

main().catch(console.error);

output

❯ js SignTxWithPubkeyExample.js

rawTx 0x08f8868188850ba43b740082cd1494c40b6909eb7085590e1c26cb3becc25368e249e9872386f26fc1000094e15cd70a41dfb05e7214004d7d054801b2a2f06bf847f8458207f5a05e2299e8d947e8b39d3715ba3945535ad05da364ebc1fa168b3fea675cb27f60a05adf38401f83409216fd29aa6fb5b39f7113c0a49e2bb3e2003cb60baf2df7ac

sentTx 0x751ae9e74895cd899a51b5deab2d5e72103d06468cf1701d5925784808962d7e

receipt {

to: '0xC40B6909EB7085590E1c26Cb3beCC25368e249E9',

from: '0xe15Cd70A41dfb05e7214004d7D054801b2a2f06b',

contractAddress: null,

transactionIndex: 0,

gasUsed: BigNumber { _hex: '0x5208', _isBigNumber: true },

logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',

blockHash: '0xc61b3f87368b60e95e061e991f2a51a238240a7e10dd746192e9f640395661e9',

transactionHash: '0x751ae9e74895cd899a51b5deab2d5e72103d06468cf1701d5925784808962d7e',

logs: [],

blockNumber: 152256785,

confirmations: 3,

cumulativeGasUsed: BigNumber { _hex: '0x5208', _isBigNumber: true },

effectiveGasPrice: BigNumber { _hex: '0x05d21dba00', _isBigNumber: true },

status: 1,

type: 0,

byzantium: true

}

recoveredAddr rpc 0xe15cd70a41dfb05e7214004d7d054801b2a2f06b true