Class: Kaesen::Quoine

Inherits:
Market
  • Object
show all
Defined in:
lib/kaesen/quoine.rb

Overview

Quoine Wrapper Class developers.quoine.com/ API制限API users should not make more than 300 requests per 5 minute. Requests go beyond the limit will return with a 429 status

Constant Summary collapse

@@nonce = 
0

Instance Attribute Summary

Attributes inherited from Market

#api_key, #api_secret, #name, #url_private, #url_public

Instance Method Summary collapse

Methods inherited from Market

#balance, #buy, #cancel, #cancel_all, #market_buy, #market_sell, #opens, #sell, unBigDecimal

Constructor Details

#initialize(options = {}) {|_self| ... } ⇒ Quoine

Returns a new instance of Quoine.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/kaesen/quoine.rb', line 16

def initialize(options = {})
  super()
  @name        = "Quoine"
  @api_key     = ENV["QUOINE_KEY"]
  @api_secret  = ENV["QUOINE_SECRET"]
  @url_public  = "https://api.quoine.com"
  @url_private = @url_public

  options.each do |key, value|
    instance_variable_set("@#{key}", value)
  end
  yield(self) if block_given?
end

Instance Method Details

#depth ⇒ hash

This method is abstract.

Get order book.

Returns:

  • (hash) —

    array of market depth asks: [Array] 売りオーダー

    price : [BigDecimal]
size : [BigDecimal]

    bids: [Array] 買いオーダー

    price : [BigDecimal]
size : [BigDecimal]

    ltimestamp: [int] ローカルタイムスタンプ



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# File 'lib/kaesen/quoine.rb', line 68

def depth
  h = get_ssl(@url_public + "/products/5/price_levels") # the id of BTCJPY is 5.
  {
    "asks"       => h["buy_price_levels"].map{|a,b| [BigDecimal.new(a.to_s), BigDecimal.new(b.to_s)]}, # to_s でないと誤差が生じる
    "bids"       => h["sell_price_levels"].map{|a,b| [BigDecimal.new(a.to_s), BigDecimal.new(b.to_s)]}, # to_s でないと誤差が生じる
    "ltimestamp" => Time.now.to_i,
  }
end

#ticker ⇒ hash

Get ticker information.

Returns:

  • (hash) —

    ticker ask: [BigDecimal] 最良売気配値bid: [BigDecimal] 最良買気配値last: [BigDecimal] 最近値(?用語要チェック), last price high: [BigDecimal] 高値low: [BigDecimal] 安値volume: [BigDecimal] 取引量ltimestamp: [int] ローカルタイムスタンプvwap: [BigDecimal] 過去24時間の加重平均



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# File 'lib/kaesen/quoine.rb', line 44

def ticker
  h = get_ssl(@url_public + "/products/code/CASH/BTCJPY") # the id of BTCJPY is 5.
  {
    "ask"        => BigDecimal.new(h["market_ask"].to_s),
    "bid"        => BigDecimal.new(h["market_bid"].to_s),
    "last"       => BigDecimal.new(h["last_traded_price"].to_s),
    # "high"
    # "low"
    "volume"     => BigDecimal.new(h["volume_24h"].to_s), # of the previous 24 hours
    "ltimestamp" => Time.now.to_i,
    # "vwap"
  }
end