公共賬戶密鑰
AccountKeyPublic 用於有一個公鑰的賬戶。 如果賬戶有一個 AccountKeyPublic 對象,交易驗證過程如下:
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
用私鑰和提供者創建發件人錢包
創建具有 type:TxType.ValueTransfer
類型
用發件人的錢包簽署交易
將簽署的交易發送到 kaia 網絡,並打印收據
使用 web3.klay.recoverFromTransaction
從已簽署的事務中恢復地址
SignTxWithPubkeyExample.js
const { Web3, TxType, toPeb } = require("@kaiachain/web3js-ext");// Using senderPriv == senderNewPriv to execute this example repeatedly.// But you might want to register a different private key.const senderAddr = "0xfb60ded0ae96fe04eed6450aead860aa9d57128e";const senderPriv = "0x0e4ca6d38096ad99324de0dde108587e5d7c600165ae4cd6c2462c597458c2b8";const receiverAddr = "0xc40b6909eb7085590e1c26cb3becc25368e249e9";const provider = new Web3.providers.HttpProvider("https://public-en-kairos.node.kaia.io");const web3 = new Web3(provider);const senderAccount = web3.eth.accounts.privateKeyToAccount(senderPriv);async function main() { let tx = { type: TxType.ValueTransfer, to: receiverAddr, value: toPeb("0.01", "KLAY"), from: senderAddr, }; const signResult = await senderAccount.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 SignTxWithPubkeyExample.jsrawTx 0x08f8868188850ba43b740082cd1494c40b6909eb7085590e1c26cb3becc25368e249e9872386f26fc1000094e15cd70a41dfb05e7214004d7d054801b2a2f06bf847f8458207f5a05e2299e8d947e8b39d3715ba3945535ad05da364ebc1fa168b3fea675cb27f60a05adf38401f83409216fd29aa6fb5b39f7113c0a49e2bb3e2003cb60baf2df7acsentTx 0x751ae9e74895cd899a51b5deab2d5e72103d06468cf1701d5925784808962d7ereceipt { to: '0xC40B6909EB7085590E1c26Cb3beCC25368e249E9', from: '0xe15Cd70A41dfb05e7214004d7D054801b2a2f06b', contractAddress: null, transactionIndex: 0, gasUsed: BigNumber { _hex: '0x5208', _isBigNumber: true }, logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', blockHash: '0xc61b3f87368b60e95e061e991f2a51a238240a7e10dd746192e9f640395661e9', transactionHash: '0x751ae9e74895cd899a51b5deab2d5e72103d06468cf1701d5925784808962d7e', logs: [], blockNumber: 152256785, confirmations: 3, cumulativeGasUsed: BigNumber { _hex: '0x5208', _isBigNumber: true }, effectiveGasPrice: BigNumber { _hex: '0x05d21dba00', _isBigNumber: true }, status: 1, type: 0, byzantium: true}recoveredAddr rpc 0xe15cd70a41dfb05e7214004d7d054801b2a2f06b true