Scrypt for Crypto market ( Bitcoin/Ether/Altcoin and API to management APIs)

Hi, We are looking for a contractor for a library for trading cryptocurrencies and e-commerce with support for many bitcoin / ether / altcoin and API management APIs. We are interested in engines based on: JavaScript / Python / PHP The scripts should be made fully adaptable by the development team. Required conditions for the script: • support for many stock markets, with the possibility of expansion along with new products on the market • support for receiving deposits in FIAT currencies: USD and EUR • support for main cryptocurrencies: BTC, ETH, LSK, ZEC, XMR • for each of the major cryptocurrencies, the service is hand in hand with the FIAT currency • the ability to implement altcoints without a limit to the quantity • optional standardized data for cross- or inter-currency analysis and for arbitration • public and private APIs for the entire stock exchange fully implemented • virtual wallets available for each user • market views based on the TradingView system with the option of applying your own markings to the chart • support for popular web browsers We need a ready product with a license for own implementation or with the possibility of resale. Follow the offer.