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Multisig Account Key

AccountKeyWeightedMultiSig 是一种账户密钥类型，包含一个阈值和加权公钥（WeightedPublicKeys），后者包含一个由公钥及其权重组成的列表。

要使与 AccountKeyWeightedMultiSig 关联的账户的交易有效，必须满足以下条件： 已签名公钥的加权和应大于阈值。 _ 无效签名不应包含在交易中。 * 已签名公钥的数量应少于加权公钥的数量。

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

定义要更改的发件人地址、发件人私人密钥和新的muti-sig 私人密钥

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三个发送者钱包

用新私钥计算公钥

声明一个事务，该事务的键字段包含计算出的公钥及其权重，指定类型为加权多重签名。

与第一个钱包签署交易

与第二个钱包签署交易

在第三个钱包中签署交易，并将其发送至 kaia 网络

如果已在区块链中完成发送，wait函数将返回发送回执。

AccountUpdateWithMultiSigExample.js

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

const { Wallet, TxType, AccountKeyType } = require("@kaiachain/ethers-ext/v6");

// Using same senderNewPriv keys to execute this example repeatedly.

// But you might want to register the different private keys.

const senderAddr = "0x82c6a8d94993d49cfd0c1d30f0f8caa65782cc7e";

const senderNewPriv1 = "0xa32c30608667d43be2d652bede413f12a649dd1be93440878e7f712d51a6768a";

const senderNewPriv2 = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";

const senderNewPriv3 = "0xc9668ccd35fc20587aa37a48838b48ccc13cf14dd74c8999dd6a480212d5f7ac";

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

const wallet1 = new Wallet(senderAddr, senderNewPriv1, provider);

const wallet2 = new Wallet(senderAddr, senderNewPriv2, provider);

const wallet3 = new Wallet(senderAddr, senderNewPriv3, provider);

async function main() {

const pub1 = ethers.SigningKey.computePublicKey(senderNewPriv1, true);

const pub2 = ethers.SigningKey.computePublicKey(senderNewPriv2, true);

const pub3 = ethers.SigningKey.computePublicKey(senderNewPriv3, true);

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

const tx = {

type: TxType.AccountUpdate,

from: senderAddr,

gasLimit: 1000000,

key: {

type: AccountKeyType.WeightedMultiSig,

threshold: 2,

keys: [

[1, pub1],

[1, pub2],

[1, pub3],

]

}

};

// The example senderAddr actually requires only 2 signature (threshold = 2),

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

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

const populatedTx = await wallet1.populateTransaction(tx);

const rawTx1 = await wallet1.signTransaction(populatedTx);

console.log("rawTx1", rawTx1);

// sign 2: Middle signer sign from the rawTx

const rawTx2 = await wallet2.signTransaction(rawTx1);

console.log("rawTx2", rawTx2);

// sign 3: Last signer sign and send from the rawTx

const sentTx3 = await wallet3.sendTransaction(rawTx2);

console.log("sentTx3", sentTx3.hash);

const receipt = await sentTx3.wait();

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

}