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价值转移备忘录

TxTypeValueTransferMemo 用于用户发送带有特定信息的 KAIA。

导入 web3 和 @kaiachain/web3js-ext 软件包，在 web3 上添加 kaia 功能

定义发送方、付费方地址和私人密钥

使用指定的 kairos 测试网 URL 设置提供程序。 web3 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

使用 "web3.eth.accounts.privateKeyToAccount "创建带有私钥的发件人钱包

使用 "web3.eth.accounts.privateKeyToAccount "用私钥创建付费者钱包

定义事务对象。

设置 `type：TxType.FeeDelegatedValueTransferMemo "，用于发送有费用支付方的备忘值转账交易

设置 value: toPeb("0.01") 以定义要转换的值，使用 toPeb 将 Klay 转换为 Peb

设置 data："0x1234567890"，以定义交易附带的备忘值

设置其他参数，如 从、到

使用 signTransaction 在发送方账户上签署交易

使用 "signTransactionAsFeePayer "以付费方账户签署交易

将交易发送到区块链。 它将返回交易收据

TxTypeFeeDelegatedValueTransferMemo.js

const { Web3, TxType, toPeb } = require("@kaiachain/web3js-ext");

const senderAddr = "0xa2a8854b1802d8cd5de631e690817c253d6a9153";

const senderPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";

const feePayerPriv = "0x9435261ed483b6efa3886d6ad9f64c12078a0e28d8d80715c773e16fc000cff4";

const recieverAddr = "0xc40b6909eb7085590e1c26cb3becc25368e249e9";

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);

const feePayerAccount = web3.eth.accounts.privateKeyToAccount(feePayerPriv);

async function main() {

const tx = {

type: TxType.FeeDelegatedValueTransferMemo,

from: senderAddr,

to: recieverAddr,

value: toPeb("0.01"),

data: "0x1234567890",

};

// Sign transaction by sender

const signResult1 = await senderAccount.signTransaction(tx);

console.log("senderTxHashRLP", signResult1.rawTransaction);

// Sign and send transaction by fee payer

const signResult2 = await feePayerAccount.signTransactionAsFeePayer(signResult1.rawTransaction);

console.log("signedTx", signResult2.transactionHash);

const receipt = await web3.eth.sendSignedTransaction(signResult2.rawTransaction);

console.log("receipt", receipt);

}

main();

output

❯ node TxTypeFeeDelegatedValueTransferMemo.js

senderTxHashRLP 0x11f88d8203b7850ba43b740082d1f694c40b6909eb7085590e1c26cb3becc25368e249e9872386f26fc1000094a2a8854b1802d8cd5de631e690817c253d6a9153851234567890f847f8458207f5a0fbd13725c0e913f564469d43e6e928514caca92ca5d5fcc18c493445d2bd3f00a065980c9c0ea0bcfa4324c23b21d45acaa8a64d1d47d45a6730774756be794e86

signedTx 0xb17d3bc44eb466cf0870926eb4b7a8e90a3ca348df1e32227ab1eaf2bd7f98c8

receipt {

blockHash: '0x51586607f9d282deede4a9325d6ecdb2abb675fca0350ac6778549f2e7bfed73',

blockNumber: 148744817n,

cumulativeGasUsed: 31500n,

effectiveGasPrice: 25000000000n,

from: '0xa2a8854b1802d8cd5de631e690817c253d6a9153',

gasUsed: 31500n,

logs: [],

logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',

status: 1n,

to: '0xc40b6909eb7085590e1c26cb3becc25368e249e9',

transactionHash: '0xb17d3bc44eb466cf0870926eb4b7a8e90a3ca348df1e32227ab1eaf2bd7f98c8',

transactionIndex: 0n,

type: 0n

}