safe-exchange-rate v1.2.1

safe-exchange-rate

Safely get exchange rates from different providers. If any provider is down or failing, a different one from an internal list will be used.

The following exchange rate pairs are currently supported:

• BAT:USD
• ETH:USD
• DAI:USD
• ETC:USD
• KNC:USD
• MANA:USD
• QTUM:USD
• USDC:USD
• WBTC:USD
• ZRX:USD

Only 100% open and free providers are queried:

• Bittrex
• CoinCap
• CoinGecko

Installation

npm install safe-exchange-rate

Usage

const getExchangeRate = require('safe-exchange-rate')

getExchangeRate('ETH:USD').then(function (rate) {
  console.log(rate) // 225.68
}

API

getExchangeRate(pair) ⇒ Promise<number>

Obtain the exchange rate between two assets given list of providers. If one fails for any reason, the next in the list is used. The providers include: Bittrex, CoinCap, CoinGecko.

Returns: Promise<number> - The exchange rate.

License

MIT