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多用戶賬戶密鑰

AccountKeyWeightedMultiSig 是一種賬戶密鑰類型，包含一個閾值和加權公鑰（WeightedPublicKeys），後者包含一個由公鑰及其權重組成的列表。

要使與 AccountKeyWeightedMultiSig 關聯的賬戶的交易有效，必須滿足以下條件： 已簽名公鑰的加權和應大於閾值。 _ 無效簽名不應包含在交易中。 * 已簽名公鑰的數量應少於加權公鑰的數量。

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的muti-sig 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三個發送者錢包

用新私鑰計算公鑰

聲明一個事務，該事務的鍵字段包含計算出的公鑰及其權重，指定類型為加權多重簽名。

與第一個錢包簽署交易

與第二個錢包簽署交易

與第三個錢包簽署交易

向 kaia 網絡發送交易，如果交易在區塊鏈中完成，則返回 tx 收據。

AccountUpdateWithMultiSigExample.js

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

const senderAddr = "0x2bf611d14d330fd3688d10f2201321eacc8aa2ce";

const senderPriv1 = "0x31fadf868e68fd2e3f7a1c528023c9a86a45db850e9d6b82c1a82d4c75b469d1";

const senderPriv2 = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";

const senderPriv3 = "0xc9668ccd35fc20587aa37a48838b48ccc13cf14dd74c8999dd6a480212d5f7ac";

const provider = new Web3.providers.HttpProvider("https://public-en-kairos.node.kaia.io");

const web3 = new Web3(provider);

const senderAccount1 = web3.eth.accounts.privateKeyToAccount(senderPriv1);

const senderAccount2 = web3.eth.accounts.privateKeyToAccount(senderPriv2);

const senderAccount3 = web3.eth.accounts.privateKeyToAccount(senderPriv3);

async function main() {

const pub1 = getPublicKeyFromPrivate(senderPriv1);

const pub2 = getPublicKeyFromPrivate(senderPriv2);

const pub3 = getPublicKeyFromPrivate(senderPriv3);

console.log({ pub1, pub2, pub3 });

let tx = {

type: TxType.AccountUpdate,

from: senderAddr,

gasLimit: 1_000_000,

key: {

type: AccountKeyType.WeightedMultiSig,

threshold: 2,

keys: [

[1, pub1],

[1, pub2],

[1, pub3],

]

}

};

// The example senderAddr actually requires only 2 signature,

// but we use 3 signatures to show different ways to sign a transaction.

// sign 1: First signer sign from the tx object

const signResult1 = await senderAccount1.signTransaction(tx);

console.log("rawTx1", signResult1.rawTransaction);

// sign 2: Rest of the signers sign from the rawTx

const signResult2 = await senderAccount2.signTransaction(signResult1.rawTransaction);

console.log("rawTx2", signResult2.rawTransaction);

// sign 3: Last signer sign from the rawTx then send it

const signResult3 = await senderAccount3.signTransaction(signResult2.rawTransaction);

console.log("signedTx3", signResult3.transactionHash);

const receipt = await web3.eth.sendSignedTransaction(signResult3.rawTransaction);

console.log("receipt", receipt);

}

main().catch(console.error);

output

❯ js AccountUpdateWithMultiSigExample.js

{

pub1: '0x021473839f05083617d532325ce8aa40edffb2bc79f1ce17c77cc41f92f027dd82',

pub2: '0x03dc9dccbd788c00fa98f7f4082f2f714e799bc0c29d63f04d48b54fe6250453cd',

pub3: '0x03f26489914098c5da51f0f646e3000da4d6197217df082b4f7ce1530f0a0cbf2a'

}

rawTx1 0x20f8dd74850ba43b7400830f42409482c6a8d94993d49cfd0c1d30f0f8caa65782cc7eb87204f86f02f86ce301a1021473839f05083617d532325ce8aa40edffb2bc79f1ce17c77cc41f92f027dd82e301a103dc9dccbd788c00fa98f7f4082f2f714e799bc0c29d63f04d48b54fe6250453cde301a103f26489914098c5da51f0f646e3000da4d6197217df082b4f7ce1530f0a0cbf2af847f8458207f6a055fef1ed11853c582a281365fb4f381d2b895758a0436002b6fac3b292594e32a01681d4879eac18d27d20b2dd377cbba4ce723be992ec0fd5e6686645c75c1a3c

rawTx2 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

sentTx3 0x722b434220cd61c80cf827672bc79006183629399a4f1ad0c98552a47cbb7e07

receipt {

to: '0x82C6a8D94993d49cfd0c1D30F0F8Caa65782cc7E',

from: '0x82C6a8D94993d49cfd0c1D30F0F8Caa65782cc7E',

contractAddress: null,

transactionIndex: 1,

gasUsed: BigNumber { _hex: '0x01b198', _isBigNumber: true },

logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',

blockHash: '0x7e43df2efc735e7c47c163c6ac5ad50c10de542f48cfc5088dfec251b66298c2',

transactionHash: '0x722b434220cd61c80cf827672bc79006183629399a4f1ad0c98552a47cbb7e07',

logs: [],

blockNumber: 152203392,

confirmations: 2,

cumulativeGasUsed: BigNumber { _hex: '0x03ed06', _isBigNumber: true },

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

status: 1,

type: 0,

byzantium: true

}