import { createPublicClient, http, getAddress, keccak256, toBytes } from 'viem'
import { arbitrumSepolia } from 'viem/chains'

const client = createPublicClient({
  chain: arbitrumSepolia,
  transport: http('https://api.zan.top/node/v1/arb/sepolia/baf84c429d284bb5b676cb8c9ca21c07')
})

const LENDING_PROXY = getAddress('0xCb4E7B1069F6C26A1c27523ce4c8dfD884552d1D')
const USER = getAddress('0xa013422A5918CD099C63c8CC35283EACa99a705d')

// 计算函数选择器
const withdrawSelector = keccak256(toBytes('withdraw(uint256)')).slice(0, 10)
const supplyCollateralSelector = keccak256(toBytes('supplyCollateral(address,uint256)')).slice(0, 10)

console.log('\n=== 查找用户的交易记录 ===\n')
console.log('用户地址:', USER)
console.log('Lending 合约:', LENDING_PROXY)
console.log('\n函数选择器:')
console.log('  withdraw:', withdrawSelector)
console.log('  supplyCollateral:', supplyCollateralSelector)
console.log()

async function main() {
  const latestBlock = await client.getBlockNumber()
  console.log('最新区块:', latestBlock)
  console.log('查询范围: 最近 10000 个区块\n')

  // 获取用户发送到 Lending 合约的所有交易
  const fromBlock = latestBlock - 10000n
  const toBlock = latestBlock

  console.log('=== 查找所有用户 → Lending 的交易 ===\n')

  let blockNum = fromBlock
  const transactions = []

  while (blockNum <= toBlock) {
    const endBlock = blockNum + 1000n > toBlock ? toBlock : blockNum + 1000n

    try {
      const block = await client.getBlock({
        blockNumber: blockNum,
        includeTransactions: true
      })

      for (const tx of block.transactions) {
        if (typeof tx === 'object' &&
            tx.from.toLowerCase() === USER.toLowerCase() &&
            tx.to?.toLowerCase() === LENDING_PROXY.toLowerCase()) {
          transactions.push({
            hash: tx.hash,
            blockNumber: block.number,
            input: tx.input
          })
        }
      }
    } catch (error) {
      // Skip blocks without transactions
    }

    blockNum += 1000n
  }

  console.log(`找到 ${transactions.length} 笔交易\n`)

  if (transactions.length === 0) {
    console.log('没有找到任何交易')
    return
  }

  // 分析每笔交易
  for (const tx of transactions) {
    console.log('---')
    console.log('交易哈希:', tx.hash)
    console.log('区块:', tx.blockNumber.toString())

    const selector = tx.input.slice(0, 10)
    console.log('函数选择器:', selector)

    let functionName = '未知'
    if (selector === withdrawSelector) {
      functionName = 'withdraw (借款/提取)'
      // 解析参数 (uint256)
      const amountHex = '0x' + tx.input.slice(10)
      const amount = BigInt(amountHex)
      console.log('调用函数:', functionName)
      console.log('金额:', Number(amount) / 1e6, 'USDC')
    } else if (selector === supplyCollateralSelector) {
      functionName = 'supplyCollateral (存入抵押品)'
      // 解析参数 (address, uint256)
      const assetAddress = '0x' + tx.input.slice(34, 74)
      const amountHex = '0x' + tx.input.slice(74)
      const amount = BigInt(amountHex)
      console.log('调用函数:', functionName)
      console.log('资产:', getAddress(assetAddress))
      console.log('金额:', Number(amount) / 1e18)
    } else {
      console.log('调用函数:', functionName, '-', selector)
    }

    console.log()
  }
}

main().catch(console.error)