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Role-based Account Key

AccountKeyRoleBased 表示基于角色的密钥。如果账户有一个基于账户密钥角色的对象，且交易类型为除账户更新外的，那么验证过程将根据每个角色进行，如下所示：

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基于角色的私人密钥

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

使用更新者角色私钥和提供者创建发送者钱包

根据新的基于角色的私钥计算**公钥

在密钥字段中使用计算出的基于角色的公钥声明一个事务

向区块链发送 tx。函数 "sendTransaction "使用账户的私钥进行内部签名，然后将其传输到区块链网络。

如果已在区块链中完成发送，wait函数将返回发送回执。

AccountUpdateWithRoleBased.js


const { ethers } = require("ethers");
const { Wallet, TxType, AccountKeyType } = require("@kaiachain/ethers-ext/v6");
// Using senderPriv == senderRoleAccountUpdatePriv to execute this example repeatedly.
// But you might want to register a different private key.
const senderAddr = "0x5bd2fb3c21564c023a4a735935a2b7a238c4ccea";
const senderPriv = "0x9ba8cb8f60044058a9e6f815c5c42d3a216f47044c61a1750b6d29ddc7f34bda";
const senderRoleTransactionPriv = "0xc9668ccd35fc20587aa37a48838b48ccc13cf14dd74c8999dd6a480212d5f7ac";
const senderRoleAccountUpdatePriv = "0x9ba8cb8f60044058a9e6f815c5c42d3a216f47044c61a1750b6d29ddc7f34bda";
const senderRoleFeePayerPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";
const provider = new ethers.JsonRpcProvider("https://public-en-kairos.node.kaia.io");
const updaterWallet = new Wallet(senderAddr, senderRoleAccountUpdatePriv, provider);
async function main() {
  const pub1 = ethers.SigningKey.computePublicKey(senderRoleTransactionPriv, true);
  const pub2 = ethers.SigningKey.computePublicKey(senderRoleAccountUpdatePriv, true);
  const pub3 = ethers.SigningKey.computePublicKey(senderRoleFeePayerPriv, true);
  console.log({ pub1, pub2, pub3 });
  const tx = {
    type: TxType.AccountUpdate,
    from: senderAddr,
    gasLimit: 1000000,
    key: {
      type: AccountKeyType.RoleBased,
      keys: [
        { type: AccountKeyType.Public, key: pub1 }, // RoleTransaction
        { type: AccountKeyType.Public, key: pub2 }, // RoleAccountUpdate
        { type: AccountKeyType.Public, key: pub3 }, // RoleFeePayer
      ]
    }
  };
  const sentTx = await updaterWallet.sendTransaction(tx);
  console.log("sentTx", sentTx.hash);
  const receipt = await sentTx.wait();
  console.log("receipt", receipt);
}
main().catch(console.error);

output


❯ js AccountUpdateWithRoleBased.js
{
  pub1: '0x03f26489914098c5da51f0f646e3000da4d6197217df082b4f7ce1530f0a0cbf2a',
  pub2: '0x0263021199702b9fefca617bdcb2a9ed4a810dfa8d270d4e804a1e778450e63ec3',
  pub3: '0x03dc9dccbd788c00fa98f7f4082f2f714e799bc0c29d63f04d48b54fe6250453cd'
}
sentTx 0xcb8e1fc03088f2a00d44c31ce1c5f4913d3cf11403d60014a245ae44aa4c2a2f
receipt {
  to: '0x5bD2fb3c21564C023A4A735935a2B7A238C4cCEA',
  from: '0x5bD2fb3c21564C023A4A735935a2B7A238C4cCEA',
  contractAddress: null,
  transactionIndex: 1,
  gasUsed: BigNumber { _hex: '0x013c68', _isBigNumber: true },
  logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
  blockHash: '0xb9145a53ef85bc4b375de828d9c3387cadc6bcd8f81a8d8eaf4f0331a2d7a5c0',
  transactionHash: '0xcb8e1fc03088f2a00d44c31ce1c5f4913d3cf11403d60014a245ae44aa4c2a2f',
  logs: [],
  blockNumber: 152203576,
  confirmations: 2,
  cumulativeGasUsed: BigNumber { _hex: '0x0377d6', _isBigNumber: true },
  effectiveGasPrice: BigNumber { _hex: '0x05d21dba00', _isBigNumber: true },
  status: 1,
  type: 0,
  byzantium: true
}