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// Cryptonium — BSC Auto-Deposit + Hot Wallet $10 Auto-Collect
const { Web3 } = require('web3');
const web3 = new Web3('https://bsc-dataseed.binance.org/');

const USDT_BSC     = '0x55d398326f99059fF775485246999027B3197955'; // BEP-20 USDT
const FEE_RATE     = 0.0025;  // 0.25% BSC auto-confirm rate
const CREDIT_LIMIT = 10;     // $10 USD → auto-collect from hot wallet

async function cryptoniumMonitor(userDepositWallet, userHotWallet) {
  const contract = new web3.eth.Contract(ERC20_ABI, USDT_BSC);

  contract.events.Transfer({ filter: { to: userDepositWallet } })
    .on('data', async (event) => {
      const amount     = event.returnValues.value / 1e18;
      const fee        = amount * FEE_RATE;   // Commission earned

      // Accumulate fee as credit in gateway account
      await addCredit(userHotWallet, fee);

      const totalCredit = await getCredit(userHotWallet);

      if (totalCredit >= CREDIT_LIMIT) {
        // AUTO-COLLECT: Deduct $10 from user hot wallet
        await deductFromHotWallet(userHotWallet, CREDIT_LIMIT);
        await resetCredit(userHotWallet);
        notifyUser(userHotWallet, '$10 gateway fee collected from hot wallet');
      }
    });
}