Encryption Operation Guide

import org.springframework.util.LinkedMultiValueMap;
import org.springframework.web.client.RestTemplate;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.util.MultiValueMap;
import org.springframework.http.converter.FormHttpMessageConverter;

class EncryptionExample {
    public static void main(String[] args) {
        try {
            // ===================== 1. Prepare business parameters =====================
            Map<String, Object> requestParams = new HashMap<>();
            requestParams.put("tenantUserId", "tenant_001");
            requestParams.put("chainName", "ETH");
            requestParams.put("symbol", "USDT");

            // ===================== 2. JSON serialization =====================
            // Perform serialization using JSON utility class, implementation can refer to sample code in relevant utility classes
            String jsonData = JsonUtils.toJson(requestParams);

            // ===================== 3. RSA public key encryption =====================
            // Use the public key provided by WaaS
            String publicKey = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQ...";

            // Use RSA utility class for encryption, implementation can refer to sample code in relevant utility classes
            byte[] encryptedData = RSAUtils.encryptByPublicKey(
                jsonData.getBytes(),
                publicKey
            );

            // ===================== 4. Base64 encoding =====================
            // Perform encoding using Base64 utility class, implementation can refer to sample code in relevant utility classes
            String base64Data = Base64Util.encodeByte(encryptedData);

            // ===================== 5. Prepare HTTP request =====================
            // Create HTTP request headers
            HttpHeaders headers = new HttpHeaders();
            headers.add("X-API-KEY", "MERCHANT_123456"); // Merchant credentials
            headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED); // Form format

            // Package request body
            MultiValueMap<String, String> body = new LinkedMultiValueMap<>();
            body.add("data", base64Data); // Parameter name must be "data"

            // ===================== 6. Send API request =====================
            // Create and configure RestTemplate
            RestTemplate restTemplate = new RestTemplate();
            restTemplate.getMessageConverters().add(new FormHttpMessageConverter());

            // Send request and get response
            APIResult response = restTemplate.postForObject(
                "https://waas2-out-api.powersafe-rel.cc/api/v1/api/user/getUserAddress",
                new HttpEntity<>(body, headers),
                APIResult.class
            );

            // Process response, content can refer to response examples
            System.out.println("\nAPI response result:");
            System.out.println(response);

        } catch (Exception e) {
            System.err.println("\nError occurred during processing: " + e.getMessage());
            e.printStackTrace();
        }
    }
}

async function main() {
  try {
      // ===================== 1. Prepare business parameters =====================
      const requestParams = {
          tenantUserId: "tenant_001",
          chainName: "ETH",
          symbol: "USDT"
      };

      // ===================== 2. JSON serialization =====================
      const jsonData = JsonUtils.toJson(requestParams);

      // ===================== 3. RSA public key encryption =====================
      const publicKey = "MIGfMA0GCSqGSIb3DQEBAQUAA4极GNADCBiQ...";

      // Convert string to Uint8Array
      const textEncoder = new TextEncoder();
      const jsonBytes = textEncoder.encode(jsonData);

      // Encrypt using RSAUtils
      const encryptedData = await RSAUtils.encryptByPublicKey(
          jsonBytes.buffer,
          publicKey
      );

      // ===================== 4. Base64 encoding =====================
      const base64Data = Base64Util.encodeByte(new Uint8Array(encryptedData));

      // ===================== 5. Prepare HTTP request =====================
      const headers = {
          'X-API-KEY': 'MERCHANT_123456',
          'Content-Type': 'application/x-www-form-urlencoded'
      };

      const params = new URLSearchParams();
      params.append('data', base64Data);

      // ===================== 6. Send API request =====================
      const response = await axios.post(
          'https://waas2-out-api.powersafe-rel.cc/api/v1/api/user/getUserAddress',
          params.toString(),
          { headers }
      );

      // ===================== 7. Process response result =====================
      console.log('\nAPI response result:');
      console.log(response.data);

  } catch (error) {
      console.error('\nError occurred during processing:');
      console.error(error.message);
      console.error(error.stack);
  }
}

// Execute main function
main();

import requests
from urllib.parse import urlencode
from JsonUtils import JsonUtils
from RSAUtils import RSAUtils
from Base64Util import Base64Util

def main():
try:
    # ===================== 1. Prepare business parameters =====================
    request_params = {
        "tenantUserId": "tenant_001",
        "chainName": "ETH",
        "symbol": "USDT"
    }

    # ===================== 2. JSON serialization =====================
    json_data = JsonUtils.to_json(request_params)

    # ===================== 3. RSA public key encryption =====================
    public_key = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQ..."

    # JSON data in Python is a string, needs to be converted to bytes
    json_bytes = json_data.encode('utf-8')

    # Encrypt using RSAUtils
    encrypted_data = RSAUtils.encrypt_by_public_key(
        json_bytes,
        public_key
    )

    # ===================== 4. Base64 encoding =====================
    base64_data = Base64Util.encode_byte(encrypted_data)

    # ===================== 5. Prepare HTTP request =====================
    headers = {
        'X-API-KEY': 'MERCHANT_123456',
        'Content-Type': 'application/x-www-form-urlencoded'
    }

    payload = {'data': base64_data}

    # ===================== 6. Send API request =====================
    response = requests.post(
        'https://waas2-out-api.powersafe-rel.cc/api/v1/api/user/getUserAddress',
        data=urlencode(payload),
        headers=headers
    )

    # ===================== 7. Process response result =====================
    # Ensure API returned valid response
    response.raise_for_status()

    # Parse JSON response (assume returned format is JSON)
    api_result = response.json()

    print('\nAPI response result:')
    print(api_result)

except Exception as e:
    print('\nError occurred during processing:')
    print(str(e))
    import traceback
    traceback.print_exc()

if __name__ == "__main__":
main()