Class: Itbit::MarketData

Inherits:
Object
  • Object
show all
Defined in:
lib/itbit/market.rb

Overview

Public market data for a pair, do not use directly, use XBTUSDMarketData, XBTSGDMarketData and XBTEURMarketData instead.

See Also:

Class Method Summary collapse

Class Method Details

.orders ⇒ Object

The symbol order book as a Hash with two keys: bids and asks. Each of them is a list of list consisting of [price, quantity]



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# File 'lib/itbit/market.rb', line 24

def self.orders
  order_book = public_request("/markets/#{symbol.upcase}/order_book").symbolize_keys
  order_book.each do |key, value|
    order_book[key] = value.collect { |tuple| tuple.collect(&:to_d) }
  end
end

.ticker ⇒ Object

The symbol ticker conveniently formatted as a ruby Hash with symbolized keys.



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# File 'lib/itbit/market.rb', line 9

def self.ticker
  public_request("/markets/#{symbol.upcase}/ticker").reduce({}) do |ticker, pair|
    key = pair.first.underscore.to_sym
    value = case key
    when :pair then pair[1].underscore.to_sym
    when :servertime_utc then Time.parse(pair[1]).to_i
    else pair[1].to_d
    end
    ticker[key] = value
    ticker
  end
end

.trades(tid = 0) ⇒ Object

The symbol trades since tid (transaction id) as a list of hashes that look like unix_timestamp, price: 123.5, amount: 1.97, tid: 98375



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# File 'lib/itbit/market.rb', line 33

def self.trades(tid = 0)
  trades = public_request("/markets/#{symbol.upcase}/trades", since: tid)
  trades['recentTrades'].collect do |t|
    { price: t['price'].to_d, amount: t['amount'].to_d,
      tid: t['matchNumber'], date: DateTime.parse(t['timestamp']).to_i
    }.with_indifferent_access
  end
end