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Multisig Account Key

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

定義發件人的地址、私人密鑰和其他加權多重簽名私人密鑰

定義接收方的地址

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

使用加權多重簽名私鑰和提供商創建 3 個不同的錢包

使用 type.TxType.ValueTransfer 創建一個價值轉移事務，以便以後使用 klay_recoverFromTransaction 恢復：TxType.ValueTransfer"，以便以後使用 "klay_recoverFromTransaction "恢復它

用第一個錢包簽署交易，"populateTransaction "方法為交易對象添加更多參數，如gas、nonce...

用第二個錢包簽署交易

在第三個錢包中籤署交易，並將簽署的交易發送至 kaia 網絡

等待交易完成並打印收據

使用 klay_recoverFromMessage 從已簽署的事務中恢復地址

SignTxWithMultiSigExample.js

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

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

const senderAddr = "0x82c6a8d94993d49cfd0c1d30f0f8caa65782cc7e";

const senderPriv = "0xa32c30608667d43be2d652bede413f12a649dd1be93440878e7f712d51a6768a";

const senderNewPriv1 = "0xa32c30608667d43be2d652bede413f12a649dd1be93440878e7f712d51a6768a";

const senderNewPriv2 = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";

const senderNewPriv3 = "0xc9668ccd35fc20587aa37a48838b48ccc13cf14dd74c8999dd6a480212d5f7ac";

const recieverAddr = "0xc40b6909eb7085590e1c26cb3becc25368e249e9";

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() {

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

type: TxType.ValueTransfer,

from: senderAddr,

to: recieverAddr,

value: parseKlay("0.01"),

gasLimit: 100000,

};

// 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);

const addr = await provider.send("klay_recoverFromTransaction", [rawTx2, "latest"]);

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

}

main().catch(console.error);

output

❯ js SignTxWithMultiSigExample.js

rawTx1 0x08f88676850ba43b7400830186a094c40b6909eb7085590e1c26cb3becc25368e249e9872386f26fc100009482c6a8d94993d49cfd0c1d30f0f8caa65782cc7ef847f8458207f6a008b987d8905dae51b856c478e6f7b49f01f5f2432a90c03d332e61d518100087a07bea2578790b7dabe9f2fe920d1f3183f48dc26d4ce752bf27964433317504e8

rawTx2 0x08f8cd76850ba43b7400830186a094c40b6909eb7085590e1c26cb3becc25368e249e9872386f26fc100009482c6a8d94993d49cfd0c1d30f0f8caa65782cc7ef88ef8458207f6a008b987d8905dae51b856c478e6f7b49f01f5f2432a90c03d332e61d518100087a07bea2578790b7dabe9f2fe920d1f3183f48dc26d4ce752bf27964433317504e8f8458207f6a052dcb9cfd9edf75ea60aa7eafce1a984209722c81a6c17f4f26d4b79adcc2f03a03ef04d7793009b90f7af7831f834ad2892678f0f10f8d6e02d6d76b3e4671a1d

sentTx3 0x1b3b4b8a177ead1602c5052d8c1145a2e9ffc53ac4ce208f4730177486726c6a

receipt {

to: '0xC40B6909EB7085590E1c26Cb3beCC25368e249E9',

from: '0x82C6a8D94993d49cfd0c1D30F0F8Caa65782cc7E',

contractAddress: null,

transactionIndex: 2,

gasUsed: BigNumber { _hex: '0xc738', _isBigNumber: true },

logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',

blockHash: '0x6f5fca2355230874808c4fe1b8459c6d61cf7ba22b864aeba4c3cf61d7a49b99',

transactionHash: '0x1b3b4b8a177ead1602c5052d8c1145a2e9ffc53ac4ce208f4730177486726c6a',

logs: [],

blockNumber: 152258186,

confirmations: 6,

cumulativeGasUsed: BigNumber { _hex: '0x05f70f', _isBigNumber: true },

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

status: 1,

type: 0,

byzantium: true

}

recoveredAddr rpc 0x82c6a8d94993d49cfd0c1d30f0f8caa65782cc7e true