117 lines
3.3 KiB
JavaScript
117 lines
3.3 KiB
JavaScript
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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 USER = getAddress('0xa013422A5918CD099C63c8CC35283EACa99a705d')
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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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inputs: [],
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name: 'getBorrowRate',
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outputs: [{ name: '', type: 'uint64' }],
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stateMutability: 'view',
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type: 'function'
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}
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]
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async function main() {
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console.log('\n=== 验证当前借款状态 ===\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()
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// 获取账户余额
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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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// 获取借款余额
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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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// 获取借款利率
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const borrowRate = await client.readContract({
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address: LENDING_PROXY,
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abi: LENDING_ABI,
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functionName: 'getBorrowRate'
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})
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console.log('=== 账户状态 ===')
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console.log()
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console.log('getBalance() 返回值:', balance.toString())
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if (balance > 0) {
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console.log(' → 用户有存款:', Number(balance) / 1e6, 'USDC')
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} else if (balance < 0) {
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console.log(' → 用户有负余额（债务）:', Number(-balance) / 1e6, 'USDC')
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} else {
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console.log(' → 用户余额为 0')
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}
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console.log()
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console.log('borrowBalanceOf() 返回值:', borrowBalance.toString())
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console.log(' → 借款金额:', Number(borrowBalance) / 1e6, 'USDC')
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console.log()
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console.log('=== 利息信息 ===')
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console.log()
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console.log('借款年化利率 (APY):', (Number(borrowRate) / 1e18 * 100).toFixed(2), '%')
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console.log()
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// 分析结果
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console.log('=== 分析 ===')
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console.log()
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if (borrowBalance > 0n) {
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console.log('✓ 用户确实有借款！')
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console.log()
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console.log('借款金额:', Number(borrowBalance) / 1e6, 'USDC')
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console.log()
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if (balance === 0n) {
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console.log('余额状态: balance = 0，这意味着：')
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console.log(' - 用户之前可能有存款')
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console.log(' - withdraw 金额超过了存款')
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console.log(' - 超出部分形成了债务')
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console.log()
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console.log('这正是 Compound V3 的设计：')
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console.log(' withdraw(amount) 会：')
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console.log(' 1. 优先从存款中扣除')
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console.log(' 2. 存款不足时，自动创建债务')
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}
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console.log()
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console.log('用户需要归还的总额:', Number(borrowBalance) / 1e6, 'USDC')
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console.log('(注意：每秒都在计息，实际金额会略高)')
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} else {
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console.log('✗ 用户当前没有借款')
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}
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}
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main()
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