const ethers = require("ethers");
const { Wallet, TxType, AccountKeyType } = require("@kaiachain/ethers-ext");
// Using senderPriv == senderNewPriv to execute this example repeatedly.
// But you might want to register a different private key.
const senderAddr = "0xe15cd70a41dfb05e7214004d7d054801b2a2f06b";
const senderPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";
const senderNewPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";
const feePayerAddr = "0xcb0eb737dfda52756495a5e08a9b37aab3b271da";
const feePayerPriv = "0x9435261ed483b6efa3886d6ad9f64c12078a0e28d8d80715c773e16fc000cff4";
const provider = new ethers.providers.JsonRpcProvider("https://public-en-kairos.node.kaia.io");
const senderWallet = new Wallet(senderAddr, senderPriv, provider); // decoupled account
const feePayerWallet = new Wallet(feePayerPriv, provider);
const pub = ethers.utils.computePublicKey(senderNewPriv, true);
type: TxType.FeeDelegatedAccountUpdate,
type: AccountKeyType.Public,
// Sign transaction by sender
const populatedTx = await senderWallet.populateTransaction(tx);
const senderTxHashRLP = await senderWallet.signTransaction(populatedTx);
console.log("senderTxHashRLP", senderTxHashRLP);
// Sign and send transaction by fee payer
const sentTx = await feePayerWallet.sendTransactionAsFeePayer(senderTxHashRLP);
console.log("sentTx", sentTx.hash);
const receipt = await sentTx.wait();
console.log("receipt", receipt);