Transferência via QR Code

00020126580014br.gov.bcb.pix0136[CHAVE_PIX]5204000053039865405[VALOR]5802BR5913[BENEFICIARIO]6008[CIDADE]62070503***6304[CRC]

{
  "event": "pix.withdraw_completed",
  "transaction_id": "8f4a2b1c-9d3e-4a5f-b6c7-d8e9f0a1b2c3",
  "external_id": "payment-12345-abc",
  "timestamp": "2024-01-15T15:30:15Z",
  "data": {
    "status": "WITHDRAW_PAID",
    "value": 5000,
    "beneficiary": {
      "name": "Estabelecimento XYZ",
      "document": "12345678000190",
      "bank": "Banco ABC"
    },
    "fees": {
      "total": 0
    },
    "operation": {
      "result": 5000,
      "fee": 0
    }
  }
}

{
  "event": "pix.withdraw_failed",
  "transaction_id": "8f4a2b1c-9d3e-4a5f-b6c7-d8e9f0a1b2c3",
  "external_id": "payment-12345-abc",
  "timestamp": "2024-01-15T15:30:20Z",
  "data": {
    "status": "ERROR",
    "value": 5000,
    "error": {
      "code": "QR_CODE_EXPIRED",
      "message": "QR Code expirado",
      "provider_code": "EXPIRED_PAYLOAD"
    }
  }
}

import { Camera } from 'react-native-vision-camera';

const QRCodeScanner = () => {
  const onQRCodeScanned = async (codes) => {
    const qrCode = codes[0]?.value;

    if (!qrCode || !qrCode.startsWith('00020126')) {
      alert('QR Code inválido');
      return;
    }

    // Decodificar informações do QR Code
    const pixData = decodePixQRCode(qrCode);

    // Exibir confirmação
    const confirmed = await showConfirmation({
      beneficiary: pixData.name,
      value: pixData.value || 'A definir',
      city: pixData.city
    });

    if (confirmed) {
      // Processar pagamento
      await processQRCodePayment(qrCode, pixData.value);
    }
  };

  return (
    <Camera
      onCodeScanned={onQRCodeScanned}
      codeTypes={['qr']}
    />
  );
};

const handlePasteQRCode = async (event) => {
  const qrCode = event.clipboardData.getData('text');

  // Validar formato
  if (!qrCode.startsWith('00020126')) {
    showError('Código Copia e Cola inválido');
    return;
  }

  try {
    // Decodificar QR Code
    const pixData = decodePixQRCode(qrCode);

    // Exibir preview
    setPreview({
      beneficiary: pixData.name,
      value: pixData.value || 0,
      city: pixData.city,
      qrCode: qrCode
    });

    setStep('confirm');
  } catch (error) {
    showError('Erro ao processar código: ' + error.message);
  }
};

const processPayment = async () => {
  try {
    setLoading(true);

    const response = await fetch('/pix/v2/payment/withdraw/qrcode', {
      method: 'POST',
      headers: {
        'x-api-key': API_KEY,
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        type: 'PIX',
        value: preview.value * 100, // converter para centavos
        details: {
          qrCode: preview.qrCode,
          name: preview.beneficiary
        },
        externalId: `payment-${Date.now()}`
      })
    });

    const result = await response.json();

    if (result.status === 'WAITING_CONFIRMATION') {
      // Aguardar webhook ou consultar status
      pollTransactionStatus(result.transactionId);
    }
  } catch (error) {
    showError('Erro ao processar pagamento: ' + error.message);
  } finally {
    setLoading(false);
  }
};

curl -X GET "https://api-gateway.firebanking.com.br/pix/v2/payment/{transactionId}" \
  -H "x-api-key: SUA_CHAVE_DE_API"

{
  "_id": "8f4a2b1c-9d3e-4a5f-b6c7-d8e9f0a1b2c3",
  "status": "WITHDRAW_PAID",
  "operation": {
    "type": "CASH_OUT",
    "status": "WITHDRAW_PAID",
    "value": 5000,
    "fee": 0,
    "result": 5000,
    "externalID": "payment-12345-abc"
  },
  "beneficiary": {
    "name": "Estabelecimento XYZ",
    "document": "12345678000190"
  },
  "createdAt": "2024-01-15T15:30:10Z",
  "updatedAt": "2024-01-15T15:30:15Z"
}