init: 初始化 AssetX 项目仓库

包含 webapp（Next.js 用户端）、webapp-back（Go 后端）、
antdesign（管理后台）、landingpage（营销落地页）、
数据库 SQL 和配置文件。

webapp/test-lending-contract.js

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+// 测试 lendingProxy 合约是否正确部署
+const { createPublicClient, http } = require('viem')
+const { bscTestnet } = require('viem/chains')
+
+const lendingProxyAddress = '0xCb4E7B1069F6C26A1c27523ce4c8dfD884552d1D'
+const userAddress = '0xa013422A5918CD099C63c8CC35283EACa99a705d'
+
+const client = createPublicClient({
+  chain: bscTestnet,
+  transport: http('https://data-seed-prebsc-1-s1.binance.org:8545'),
+})
+
+async function testContract() {
+  console.log('🔍 测试 lendingProxy 合约...\n')
+  console.log('链:', 'BSC Testnet')
+  console.log('合约地址:', lendingProxyAddress)
+  console.log('用户地址:', userAddress)
+  console.log('---\n')
+
+  try {
+    // 1. 检查合约是否存在
+    console.log('1️⃣ 检查合约代码...')
+    const code = await client.getBytecode({ address: lendingProxyAddress })
+    if (!code || code === '0x') {
+      console.error('❌ 合约未部署或地址错误！')
+      return
+    }
+    console.log('✅ 合约已部署，代码长度:', code.length, '字节\n')
+
+    // 2. 尝试调用 supplyBalanceOf
+    console.log('2️⃣ 调用 supplyBalanceOf...')
+    const supplyBalanceOfABI = {
+      type: 'function',
+      name: 'supplyBalanceOf',
+      inputs: [{ name: 'account', type: 'address' }],
+      outputs: [{ name: '', type: 'uint256' }],
+      stateMutability: 'view',
+    }
+
+    const balance = await client.readContract({
+      address: lendingProxyAddress,
+      abi: [supplyBalanceOfABI],
+      functionName: 'supplyBalanceOf',
+      args: [userAddress],
+    })
+
+    console.log('✅ 查询成功！')
+    console.log('供应余额:', balance.toString())
+    console.log('格式化:', (Number(balance) / 1e18).toFixed(2), 'USDC\n')
+
+    // 3. 尝试调用其他函数
+    console.log('3️⃣ 检查其他函数...')
+
+    const getTotalSupplyABI = {
+      type: 'function',
+      name: 'getTotalSupply',
+      inputs: [],
+      outputs: [{ name: '', type: 'uint256' }],
+      stateMutability: 'view',
+    }
+
+    const totalSupply = await client.readContract({
+      address: lendingProxyAddress,
+      abi: [getTotalSupplyABI],
+      functionName: 'getTotalSupply',
+    })
+
+    console.log('✅ getTotalSupply:', totalSupply.toString())
+    console.log('总供应量:', (Number(totalSupply) / 1e18).toFixed(2), 'USDC\n')
+
+  } catch (error) {
+    console.error('❌ 错误:', error.message)
+    console.error('详细:', error)
+  }
+}
+
+testContract()