Module: Cryptocompare::Price

Defined in:
lib/cryptocompare/price.rb

Constant Summary collapse

API_URL = 
'https://min-api.cryptocompare.com/data/pricemulti'

Class Method Summary collapse

Class Method Details

.find(from_syms, to_syms, opts = {}) ⇒ Object

Finds the currency price(s) of a given currency symbol. Really fast, 20-60 ms. Cached each 10 seconds.

Parameters

  • from_syms [String, Array] - (required) currency symbols (ex: ‘BTC’, ‘ETH’, ‘LTC’, ‘USD’, ‘EUR’, ‘CNY’)

  • to_syms [String, Array] - (required) currency symbols (ex: ‘USD’, ‘EUR’, ‘CNY’, ‘USD’, ‘EUR’, ‘CNY’)

  • opts [Hash] - (optional) options hash

Options

  • e [String] - (optional) name of exchange (ex: ‘Coinbase’,‘Poloniex’) Default: CCCAGG.

Returns

Hash

Hash with currency prices

Examples

Convert cryptocurrency to fiat.

Cryptocompare::Price.find('BTC', 'USD')
#=> {"BTC"=>{"USD"=>2594.07}}

Convert fiat to cryptocurrency.

Cryptocompare::Price.find('USD', 'BTC')
#=> {"USD"=>{"BTC"=>0.0004176}}

Convert cryptocurrency to cryptocurrency.

Cryptocompare::Price.find('BTC', 'ETH')
#=> {"BTC"=>{"ETH"=>9.29}}

Convert fiat to fiat.

Cryptocompare::Price.find('USD', 'EUR')
#=> {"USD"=>{"EUR"=>0.8772}}

Convert multiple cryptocurrencies to multiple fiat.

Cryptocompare::Price.find(['BTC','ETH', 'LTC'], ['USD', 'EUR', 'CNY'])
#=> {"BTC"=>{"USD"=>2501.61, "EUR"=>2197.04, "CNY"=>17329.48}, "ETH"=>{"USD"=>236.59, "EUR"=>209.39, "CNY"=>1655.15}, "LTC"=>{"USD"=>45.74, "EUR"=>40.33, "CNY"=>310.5}}

Convert multiple fiat to multiple cryptocurrencies.

Cryptocompare::Price.find(['USD', 'EUR'], ['BTC','ETH', 'LTC'])
#=> {"USD"=>{"BTC"=>0.0003996, "ETH"=>0.004238, "LTC"=>0.02184}, "EUR"=>{"BTC"=>0.0004548, "ETH"=>0.00477, "LTC"=>0.0248}}

Find prices based on exchange.

Cryptocompare::Price.find('DASH', 'USD', {'e' => 'Kraken'})
#=> {"DASH"=>{"USD"=>152.4}}



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# File 'lib/cryptocompare/price.rb', line 61

def self.find(from_syms, to_syms, opts = {})
  params = {
    'from_syms' => Array(from_syms).join(','),
    'to_syms' => Array(to_syms).join(',')
  }.merge!(opts)

  full_path = QueryParamHelper.set_query_params(API_URL, params)
  api_resp = Faraday.get(full_path)
  JSON.parse(api_resp.body)
end