Filter Networks for Crypto Symbol

index.js

const axios = require('axios');
const fs = require('fs');

const cryptoList = [
  "SOL", "DAI", "EGLD", "ZIL", "ONE", "XLM", "SHIB", "VET", "ICP", "TON", 
  "PEPE", "CRO", "ATOM", "APE", "FLOW", "MNT", "XTZ", "MANA", "ALGO", "KSM", 
  "XEM", "NOT", "SEI", "HBAR", "SUSHI", "NEAR", "MKR", "BONK", "APT", "SUI", 
  "XDC", "CELO", "CHZ", "OSMO", "ZEN", "STX", "IOTA", "IMX", "KDA", "WRX", 
  "AR", "FLR", "GMX", "GLMR", "IOTX", "GLM", "KAVA", "ROSE", "ASTR", "INJ", 
  "CKB", "WAXP", "SUPER", "VRA", "ELF", "MASK", "VTHO", "LOOKS", "HIVE", 
  "TWT", "JOE", "SCRT", "HTR", "SLP", "UTK", "ARKM", "AVA", "DOCK", "SPS", 
  "SPA", "REVV", "DFI", "LTC", "MOVR"
];

// Function to fetch networks and write to the corresponding file
async function getCryptoNetworks(apiUrl, outputFile) {
  try {
    const response = await axios.get(`${apiUrl}/api/v2/currencies/crypto-currencies`, {
      headers: {
        'accept': 'application/json'
      }
    });

    const cryptoData = response.data.response;

    const tokenNetworks = cryptoList.reduce((acc, symbol) => {
      acc[symbol] = []; // Initialize with an empty array

      const token = cryptoData.find(token => token.symbol === symbol);
      if (token) {
        acc[symbol] = token.network.name ? [token.network.name] : [undefined]; // Use [undefined] if network name is not present
      } else {
        acc[symbol] = [undefined]; // Add [undefined] if the symbol is not found
      }

      return acc;
    }, {});

    fs.writeFileSync(outputFile, JSON.stringify(tokenNetworks, null, 2), 'utf-8');
  } catch (error) {
    console.error(`Error fetching data from ${apiUrl}:`, error.message);
  }
}

// Fetch for both staging and production
getCryptoNetworks('https://api-stg.transak.com', 'networks-staging.json');
getCryptoNetworks('https://api.transak.com', 'networks-production.json');