import { createPublicClient, http, getAddress } 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_PRICE_FEED = getAddress('0xE82c7cB9CfA42D6eb7e443956b78f8290249c316')
const YT_A = getAddress('0x97204190B35D9895a7a47aa7BaC61ac08De3cF05')

async function main() {
  console.log('\n检查价格精度\n')

  try {
    // 检查 decimals
    const decimals = await client.readContract({
      address: LENDING_PRICE_FEED,
      abi: [{
        inputs: [],
        name: 'decimals',
        outputs: [{ name: '', type: 'uint8' }],
        stateMutability: 'view',
        type: 'function'
      }],
      functionName: 'decimals'
    })
    console.log('✓ decimals:', decimals)

    const price = await client.readContract({
      address: LENDING_PRICE_FEED,
      abi: [{
        inputs: [{ name: 'asset', type: 'address' }],
        name: 'getPrice',
        outputs: [{ name: '', type: 'uint256' }],
        stateMutability: 'view',
        type: 'function'
      }],
      functionName: 'getPrice',
      args: [YT_A]
    })

    console.log('\nYT-A 价格:')
    console.log('  原始值:', price.toString())
    console.log('  ÷ 1e8:', Number(price) / 1e8)
    console.log('  ÷ 1e18:', Number(price) / 1e18)
    console.log('  ÷ 1e', decimals, ':', Number(price) / (10 ** Number(decimals)))

    // 如果价格是 1e22，可能是：
    // - 错误地设置为 1e30 的固定价格（Compound V3 使用 1e30 作为基准）
    // - 或者配置了错误的精度

    if (price > 1e20) {
      console.log('\n⚠️  警告：价格异常高！')
      console.log('可能原因：')
      console.log('1. 价格设置错误（使用了 1e30 而不是合适的精度）')
      console.log('2. 精度配置错误')
      console.log('\n建议：')
      console.log('如果 YT-A 应该价值 $1，价格应该设置为:')
      console.log(`  - 如果精度是 8: ${1e8}`)
      console.log(`  - 如果精度是 18: ${1e18}`)
      console.log(`  - 如果使用 Compound V3 格式: ${1e18} (价格) * ${1e18} (精度) / (资产精度)`)
    }

  } catch (error) {
    console.error('✗ 查询失败:', error.message)
    console.log('\n尝试读取价格（无 decimals）:')

    try {
      const price = await client.readContract({
        address: LENDING_PRICE_FEED,
        abi: [{
          inputs: [{ name: 'asset', type: 'address' }],
          name: 'getPrice',
          outputs: [{ name: '', type: 'uint256' }],
          stateMutability: 'view',
          type: 'function'
        }],
        functionName: 'getPrice',
        args: [YT_A]
      })
      console.log('价格:', price.toString())
      console.log('\n如果这个值是 1e30 数量级，说明使用了 Compound V3 的价格格式')
      console.log('Compound V3 价格 = (USD价格 * 1e', await getBaseScale(), ') / (10^资产精度)')
    } catch (e2) {
      console.error('仍然失败:', e2.message)
    }
  }
}

async function getBaseScale() {
  try {
    const scale = await client.readContract({
      address: LENDING_PROXY,
      abi: [{
        inputs: [],
        name: 'baseScale',
        outputs: [{ name: '', type: 'uint256' }],
        stateMutability: 'view',
        type: 'function'
      }],
      functionName: 'baseScale'
    })
    return scale
  } catch {
    return '?'
  }
}

main()