Class: Cryptoexchange::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/cryptoexchange/client.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ticker_ttl: 3) ⇒ Client

Returns a new instance of Client.



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# File 'lib/cryptoexchange/client.rb', line 11

def initialize(ticker_ttl: 3)
  LruTtlCache.ticker_cache(ticker_ttl)
end

Class Method Details

.available_exchanges ⇒ Object 



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# File 'lib/cryptoexchange/client.rb', line 4

def available_exchanges
  root_dir = File.dirname __dir__
  exchanges_dir = File.join(root_dir, 'cryptoexchange', 'exchanges')
  Dir.entries(exchanges_dir)[2..-1]
end

Instance Method Details

#pairs(exchange) ⇒ Object 



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# File 'lib/cryptoexchange/client.rb', line 15

def pairs(exchange)
  pairs_classname = "Cryptoexchange::Exchanges::#{StringHelper.camelize(exchange)}::Services::Pairs"
  Object.const_get(pairs_classname).new.fetch
end

#ticker(market_pair) ⇒ Object 



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# File 'lib/cryptoexchange/client.rb', line 20

def ticker(market_pair)
  exchange = market_pair.market
  market_classname = "Cryptoexchange::Exchanges::#{StringHelper.camelize(exchange)}::Services::Market"
  market_class = Object.const_get(market_classname)
  market = market_class.new

  if market_class.supports_individual_ticker_query?
    market.fetch(market_pair)
  else
    tickers = market.fetch
    tickers.find do |t|
      t.base == market_pair.base && t.target == market_pair.target
    end
  end
end