基於角色的賬戶密鑰
AccountKeyRoleBased 表示基於角色的密鑰。 如果賬戶有一個** AccountKeyRoleBased對象,且交易類型為除賬戶更新外的**,那麼驗證過程將根據每個角色進行,如下所示:
導入**@kaiachain/web3js-ext**軟件包,在 web3 上添加 kaia 功能
定義發件人的地址和role-based的私人密鑰
定義接收方的地址
使用指定的 kairos 測試網 URL 設置提供程序。 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
使用交易角色私鑰和提供者創建發件人的錢包
創建一個值轉移交易,交易類型為type.TxType.ValueTransfer
:TxType.ValueTransfer` 類型
與具有發送交易角色的錢包簽署交易
將簽署的交易發送至 kaia 網絡
使用 web3.klay.recoverFromTransaction
從已簽署的事務中恢復地址
SignTxWithRoleBasedExample.js
const { Web3, TxType, toPeb } = require("@kaiachain/web3js-ext");const senderAddr = "0x334b4d3c775c45c59de54e9f0408cba25a1aece7";const senderRoleTransactionPriv = "0xc9668ccd35fc20587aa37a48838b48ccc13cf14dd74c8999dd6a480212d5f7ac";const senderRoleAccountUpdatePriv = "0x9ba8cb8f60044058a9e6f815c5c42d3a216f47044c61a1750b6d29ddc7f34bda";const senderRoleFeePayerPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";const receiverAddr = "0xc40b6909eb7085590e1c26cb3becc25368e249e9";const provider = new Web3.providers.HttpProvider("https://public-en-kairos.node.kaia.io");const web3 = new Web3(provider);const txAccount = web3.eth.accounts.privateKeyToAccount(senderRoleTransactionPriv);async function main() { let tx = { type: TxType.ValueTransfer, from: senderAddr, to: receiverAddr, value: toPeb("0.01", "KLAY"), gasLimit: 100000, }; const signResult = await txAccount.signTransaction(tx); console.log("signedTx", signResult.transactionHash); const receipt = await web3.eth.sendSignedTransaction(signResult.rawTransaction); console.log("receipt", receipt); const sig = signResult.signature; const addr2 = await web3.klay.recoverFromTransaction(senderAddr, sig, "latest"); console.log("recoveredAddr rpc", addr2, addr2.toLowerCase() === senderAddr);}main().catch(console.error);
output
❯ js SignTxWithRoleBasedExample.jsrawTx 0x08f88641850ba43b7400830186a094c40b6909eb7085590e1c26cb3becc25368e249e9872386f26fc10000945bd2fb3c21564c023a4a735935a2b7a238c4cceaf847f8458207f6a04886eb1e6d8d5ee59fe4d125b40080409c3341fdc0a7e04b612e7d802edbeaeba0415c08f73a3789f6c27177bb5326579ffbe96f8e0db7090b08ce2fe059d949a9sentTx 0x3f7ee99c699ad2143bf0fac72dac1ff689c992e382e4705f7366aceaecc09477receipt { to: '0xC40B6909EB7085590E1c26Cb3beCC25368e249E9', from: '0x5bD2fb3c21564C023A4A735935a2B7A238C4cCEA', contractAddress: null, transactionIndex: 2, gasUsed: BigNumber { _hex: '0x5208', _isBigNumber: true }, logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', blockHash: '0x74c7b258b81b75866cfa0b60a08be9aa23cdbd113eb314b2258b65f00475790e', transactionHash: '0x3f7ee99c699ad2143bf0fac72dac1ff689c992e382e4705f7366aceaecc09477', logs: [], blockNumber: 152257043, confirmations: 1, cumulativeGasUsed: BigNumber { _hex: '0x062366', _isBigNumber: true }, effectiveGasPrice: BigNumber { _hex: '0x05d21dba00', _isBigNumber: true }, status: 1, type: 0, byzantium: true}recoveredAddr rpc 0x5bd2fb3c21564c023a4a735935a2b7a238c4ccea true