feat: 添加多链支持和 Lending 借贷系统
- 新增 ARB Sepolia + BNB Testnet 多链支持 - 添加 LendingPanel 借贷系统组件 - 添加 LendingAdminPanel 管理面板 - 添加 USDCPanel USDC 操作组件 - 添加 HoldersPanel 持有人信息组件 - 添加 AutoTestPanel 自动化测试组件 - 重构 LP 组件为模块化结构 (LP/) - 添加多个调试和测试脚本 - 修复 USDC 精度动态配置 - 优化合约配置支持多链切换 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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frontend/scripts/check-borrow-history.js
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171
frontend/scripts/check-borrow-history.js
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import { createPublicClient, http, getAddress } from 'viem'
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import { arbitrumSepolia } from 'viem/chains'
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const client = createPublicClient({
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chain: arbitrumSepolia,
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transport: http('https://api.zan.top/node/v1/arb/sepolia/baf84c429d284bb5b676cb8c9ca21c07')
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})
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const LENDING_PROXY = getAddress('0xCb4E7B1069F6C26A1c27523ce4c8dfD884552d1D')
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const USDC = getAddress('0x75faf114eafb1BDbe2F0316DF893fd58CE46AA4d')
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const USER = getAddress('0xa013422A5918CD099C63c8CC35283EACa99a705d')
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const TRANSFER_EVENT = {
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type: 'event',
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name: 'Transfer',
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inputs: [
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{ indexed: true, name: 'from', type: 'address' },
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{ indexed: true, name: 'to', type: 'address' },
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{ indexed: false, name: 'value', type: 'uint256' }
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]
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}
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async function main() {
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console.log('\n=== 检查借款历史（USDC 从 Lending 转出给用户）===\n')
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console.log('用户:', USER)
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console.log('Lending 合约:', LENDING_PROXY)
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console.log('USDC:', USDC)
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console.log()
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const latestBlock = await client.getBlockNumber()
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console.log('最新区块:', latestBlock)
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console.log('查询范围: 最近 10000 个区块\n')
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try {
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// 查找 USDC 从 Lending 转给用户的记录（这才是真正的借款/提取）
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const logs = await client.getLogs({
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address: USDC,
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event: TRANSFER_EVENT,
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args: {
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from: LENDING_PROXY,
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to: USER
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},
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fromBlock: latestBlock - 10000n,
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toBlock: latestBlock
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})
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if (logs.length > 0) {
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console.log(`✓ 找到 ${logs.length} 笔 USDC 转出记录:\n`)
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let totalWithdrawn = 0n
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for (let i = 0; i < logs.length; i++) {
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const log = logs[i]
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const { value } = log.args
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totalWithdrawn += value
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console.log(`${i + 1}. 区块 ${log.blockNumber}`)
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console.log(` 交易: ${log.transactionHash}`)
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console.log(` 数量: ${Number(value) / 1e6} USDC`)
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// 获取交易详情以确认是 withdraw 还是其他操作
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try {
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const tx = await client.getTransaction({ hash: log.transactionHash })
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const selector = tx.input.slice(0, 10)
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// withdraw(uint256) = 0x2e1a7d4d
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// withdrawFrom(...) = ...
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if (selector === '0x2e1a7d4d') {
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console.log(` 函数: withdraw (借款/提取)`)
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} else {
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console.log(` 函数选择器: ${selector}`)
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}
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} catch (error) {
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console.log(` (无法获取交易详情)`)
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}
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console.log()
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}
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console.log(`总计: ${Number(totalWithdrawn) / 1e6} USDC`)
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} else {
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console.log('✗ 未找到任何 USDC 转出记录')
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console.log()
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console.log('这意味着：')
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console.log(' - 用户从未真正从 Lending 提取或借款 USDC')
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console.log(' - 如果用户看到"借款成功"的消息，那些都是前端误报')
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}
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console.log('\n=== 对比：USDC 转入 Lending（存款）===\n')
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const supplyLogs = await client.getLogs({
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address: USDC,
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event: TRANSFER_EVENT,
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args: {
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from: USER,
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to: LENDING_PROXY
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},
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fromBlock: latestBlock - 10000n,
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toBlock: latestBlock
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})
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if (supplyLogs.length > 0) {
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console.log(`找到 ${supplyLogs.length} 笔 USDC 存入记录:\n`)
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let totalSupplied = 0n
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supplyLogs.forEach((log, i) => {
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const { value } = log.args
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totalSupplied += value
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console.log(`${i + 1}. 区块 ${log.blockNumber}`)
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console.log(` 交易: ${log.transactionHash}`)
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console.log(` 数量: ${Number(value) / 1e6} USDC`)
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console.log()
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})
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console.log(`总计存入: ${Number(totalSupplied) / 1e6} USDC`)
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} else {
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console.log('未找到 USDC 存入记录')
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}
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// 检查当前余额
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console.log('\n=== 当前账户状态 ===\n')
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const LENDING_ABI = [
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{
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inputs: [{ name: 'account', type: 'address' }],
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name: 'getBalance',
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outputs: [{ name: '', type: 'int256' }],
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stateMutability: 'view',
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type: 'function'
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},
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{
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inputs: [{ name: 'account', type: 'address' }],
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name: 'borrowBalanceOf',
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outputs: [{ name: '', type: 'uint256' }],
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stateMutability: 'view',
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type: 'function'
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}
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]
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const balance = await client.readContract({
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address: LENDING_PROXY,
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abi: LENDING_ABI,
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functionName: 'getBalance',
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args: [USER]
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})
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const borrowBalance = await client.readContract({
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address: LENDING_PROXY,
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abi: LENDING_ABI,
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functionName: 'borrowBalanceOf',
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args: [USER]
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})
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console.log('USDC 余额（存款）:', balance > 0 ? `${Number(balance) / 1e6} USDC` : '0 USDC')
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console.log('借款余额:', Number(borrowBalance) / 1e6, 'USDC')
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console.log()
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if (balance > 0) {
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console.log('⚠️ 用户当前有 USDC 存款在 Lending 中')
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console.log(` 存款金额: ${Number(balance) / 1e6} USDC`)
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console.log()
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console.log('根据 Compound V3 设计：')
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console.log(' - withdraw() 会先从存款中扣除')
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console.log(` - 只有 withdraw 金额 > ${Number(balance) / 1e6} USDC 时，才会产生真正的借款`)
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}
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} catch (error) {
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console.error('查询失败:', error.message)
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}
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}
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main()
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