傳統賬戶密鑰
導入 ethers 和 @kaiachain/ethers-ext 軟件包,在 ethers.js 上添加 kaia 功能
定義發件人的地址和私人密鑰
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
用私鑰和提供者創建發件人錢包
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
用發件人的錢包簽署交易,"populateTransaction "方法為交易對象添加更多參數,如gas、nonce...
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
SignTxWithLegacyExample.js
const { ethers } = require("ethers");const { Wallet, TxType } = require("@kaiachain/ethers-ext");const senderAddr = "0xb2ba72e1f84b7b8cb15487a2bf20328f2cf40c25";const senderPriv = "0xebceaca693ea3740231be94f38af6090d3aded336725d26a09b7d14e8e485e1e";const recieverAddr = "0xc40b6909eb7085590e1c26cb3becc25368e249e9";const provider = new ethers.providers.JsonRpcProvider("https://public-en-kairos.node.kaia.io");const wallet = new Wallet(senderPriv, provider);async function main() { const tx = { // for should not be called by a legacy transaction for calling klay_recoverFromTransaction type: TxType.ValueTransfer, from: senderAddr, to: recieverAddr, value: 0, }; const populatedTx = await wallet.populateTransaction(tx); const rawTx = await wallet.signTransaction(populatedTx); console.log("rawTx", rawTx); const sentTx = await wallet.sendTransaction(tx); console.log("sentTx", sentTx.hash); const receipt = await sentTx.wait(); console.log("receipt", receipt); const addr = await provider.send("klay_recoverFromTransaction", [rawTx, "latest"]); console.log("recoveredAddr rpc", addr, addr.toLowerCase() === senderAddr.toLowerCase());}main().catch(console.error);
output
❯ js SignTxWithLegacyExample.jsrawTx 0x08f87e05850ba43b740082cd1494c40b6909eb7085590e1c26cb3becc25368e249e98094b2ba72e1f84b7b8cb15487a2bf20328f2cf40c25f847f8458207f5a070d2c5f2dd52d6a3b7bba65594b2c875b8ce0473e16b06b43d5c2ec9ebfcd467a048af2fc51f75961a9cebfb1685b12d99db143bbd42a76f9c50970b807e1010b9sentTx 0xecb117338d7a0e7e9444886ebdab5d0e14fd1b02fa476fee839a2fc3b105f391receipt { to: '0xC40B6909EB7085590E1c26Cb3beCC25368e249E9', from: '0xb2ba72e1f84b7B8Cb15487A2bf20328F2cF40c25', contractAddress: null, transactionIndex: 1, gasUsed: BigNumber { _hex: '0x5208', _isBigNumber: true }, logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', blockHash: '0x7eae10aa2fcd3c42ac1705b63ad025f972a222bb71d65feeb0000d92c2e73732', transactionHash: '0xecb117338d7a0e7e9444886ebdab5d0e14fd1b02fa476fee839a2fc3b105f391', logs: [], blockNumber: 152256170, confirmations: 3, cumulativeGasUsed: BigNumber { _hex: '0x029636', _isBigNumber: true }, effectiveGasPrice: BigNumber { _hex: '0x05d21dba00', _isBigNumber: true }, status: 1, type: 0, byzantium: true}recoveredAddr rpc 0xb2ba72e1f84b7b8cb15487a2bf20328f2cf40c25 true