wallet/getaccountbalance - Get TRON Account Bal...

async function confirmPayment(address, expectedAmount, minConfirmations = 19) {
  const balance = await getAccountBalance(address);
  const currentBlock = balance.block_identifier.number;
  
  // Check if payment received (expectedAmount in SUN)
  const received = balance.balance >= expectedAmount;
  
  // Get latest block to check confirmations
  const latestBlock = await getLatestBlock();
  const confirmations = latestBlock.number - currentBlock;
  
  return {
    received,
    balanceSun: balance.balance,
    balanceTrx: balance.balance / 1_000_000,
    confirmations,
    confirmed: received && confirmations >= minConfirmations
  };
}

class BalanceMonitor {
  constructor(apiKey, address) {
    this.apiKey = apiKey;
    this.address = address;
    this.lastBalance = null;
  }
  
  async checkForChanges() {
    const current = await getAccountBalance(this.address);
    
    if (this.lastBalance === null) {
      this.lastBalance = current.balance;
      return { changed: false, balanceSun: current.balance };
    }
    
    const changed = current.balance !== this.lastBalance;
    const difference = current.balance - this.lastBalance;
    
    this.lastBalance = current.balance;
    
    return {
      changed,
      balanceSun: current.balance,
      differenceSun: difference,
      differenceTrx: Math.abs(difference) / 1_000_000,
      direction: difference > 0 ? 'received' : 'sent',
    };
  }
}