npm install cryptocurrency-price-kit
# OR
yarn add cryptocurrency-price-kit

const {Cpk} = require('cryptocurrency-price-kit');
const BlockchainInfo = require("cryptocurrency-price-kit/providers/blockchain.info");
const CoinGecko = require("cryptocurrency-price-kit/providers/coingecko.com");
const LiveCoinWatch = require("cryptocurrency-price-kit/providers/livecoinwatch.com");

// Add Providers
Cpk.useProviders([
    BlockchainInfo, // supports bitcoin only
    CoinGecko, // supports almost all coins
    LiveCoinWatch({apiKey: "your-api-key"}), // supports almost all coins
])


async function Run(){
  // Initialize
  const blockchain = new Cpk('blockchain.info');
  const coingecko = new Cpk('coingecko.com');
  const livecoinwatch = new Cpk('livecoinwatch.com');
  
  // Get bitcoin Price and cache for 60 secs by default
  const price = await blockchain.get('BTC');
  // or with custom cache time
  const price2 = await blockchain.get('BTC/EUR', 120); // seconds
  
  console.log("Blockchain - BTC/USD:", price); // The current price of bitcoin in USD
  console.log("Blockchain - BTC/EUR:", price2); // The current price of bitcoin in USD
  
  // OR
  // GET Many Prices and cache for 60 secs
  const prices = await livecoinwatch.getMany(['BTC/USD', 'ETH/USD', "BNB/USD"], 60);
  console.log('LiveCoinWatch - Many:', prices) // {BTC/USD: price, ETH/USD: price, BNB/USD: price}
  
  // Also supports using the symbol your provider supports
  // e.g coingecko supports using code instead of symbol
  // i.e `bitcoin` instead of `BTC`
  const prices2 = await coingecko.getMany(["BITCOIN/EUR", "ETHEREUM", "KADENA"], 60);
  console.log("CoinGecko: Many:", prices2); // {BITCOIN/EUR: price, ETHEREUM/USD: price, KADENA/USD: price}
}

Run().catch(console.error);

{ return { name: 'provider-domain.com', coinsSupported: ['BTC', 'ETH'] || "any", // if any no validation is done currenciesSupported: ['USD', 'EUR'] || "any", // if any no validation is done // This is the function that will be called to get the price // It will be called with the coin and currency as arguments // The async function should return the price async getPrice(coin, currency) { // return the price return 0; }, // This is the function that will be called to get multiple prices // It will be called with array of coins and currency as arguments // The async function should return the prices as object // The object should have the coin/key and the price as value // E.g. {"BTC/USD": 0, "ETH/EUR": 0} async getPrices(pairs) { // return the prices for (const pair of pairs) { // pair.coin, pair.currency } return {}; } } }) module.exports = CustomProvider;">

const {defineCpkProvider} = require("cryptocurrency-price-kit/src/provider");

// Define a provider
// `config` is an object that contains the configuration passed for the provider.
const CustomProvider = defineCpkProvider((config) => {
    return {
       name: 'provider-domain.com',
       coinsSupported: ['BTC', 'ETH'] || "any", // if any no validation is done
       currenciesSupported: ['USD', 'EUR'] || "any", // if any no validation is done
       
       // This is the function that will be called to get the price
       // It will be called with the coin and currency as arguments
       // The async function should return the price
       async getPrice(coin, currency) {
           // return the price
           return 0;
       },
       
       // This is the function that will be called to get multiple prices
       // It will be called with array of coins and currency as arguments
       // The async function should return the prices as object
       // The object should have the coin/key and the price as value
       // E.g. {"BTC/USD": 0, "ETH/EUR": 0}
       async getPrices(pairs) {
           // return the prices
           for (const pair of pairs) {
               // pair.coin, pair.currency
           }
           return {};
       }
   }
})

module.exports = CustomProvider;