class Kaesen::Btcbox

BtcBox Wrapper Class www.btcbox.co.jp/help/api.html

Public Class Methods

new(options = {}) { |self| ... } click to toggle source
Calls superclass method
# File lib/kaesen/btcbox.rb, line 14
def initialize(options = {})
  super()
  @name        = "BtcBox"
  @api_key     = ENV["BTCBOX_KEY"]
  @api_secret  = ENV["BTCBOX_SECRET"]
  @url_public  = "https://www.btcbox.co.jp/api/v1"
  @url_private = @url_public

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

Public Instance Methods

balance() click to toggle source

Get account balance. @abstract @return [hash] account_balance_hash

jpy: [hash]
   amount: [BigDecimal] 総日本円
   available: [BigDecimal] 取引可能な日本円
btc [hash]
   amount: [BigDecimal] 総BTC
   available: [BigDecimal] 取引可能なBTC
ltimestamp: [int] ローカルタイムスタンプ
# File lib/kaesen/btcbox.rb, line 87
def balance
  have_key?
  h = post_ssl_with_sign(@url_private + "/balance/")
  {
    "jpy"        => {
      "amount"    => BigDecimal.new(h["jpy_balance"].to_s) + BigDecimal.new(h["jpy_lock"].to_s),
      "available" => BigDecimal.new(h["jpy_balance"].to_s),
    },
    "btc"        => {
      "amount"    => BigDecimal.new(h["btc_balance"].to_s) + BigDecimal.new(h["btc_lock"].to_s),
      "available" => BigDecimal.new(h["btc_balance"].to_s),
    },
    "ltimestamp" => Time.now.to_i,
  }
end
buy(rate, amount=BigDecimal.new(0)) click to toggle source

Bought the amount of Bitcoin at the rate. 指数注文 買い. Abstract Method. @param [BigDecimal] rate @param [BigDecimal] amount # minimal trade amount is 0.01 BTC @return [hash] history_order_hash

success: [String] "true" or "false"
id: [String] order id at the market
rate: [BigDecimal]
amount: [BigDecimal] minimal amount is 0.01 BTC
order_type: [String] "sell" or "buy"
ltimestamp: [int] ローカルタイムスタンプ
# File lib/kaesen/btcbox.rb, line 143
def buy(rate, amount=BigDecimal.new(0))
  have_key?
  address = @url_private + "/trade_add/"
  params = {
    "amount" => amount.to_f.round(4),
    "price"  => rate.to_i,
    "type"   => "buy",
  }
  h = post_ssl_with_sign(address, params)
  {
    "success"    => h["result"].to_s,
    "id"         => h["id"].to_s,
    "rate"       => BigDecimal.new(rate.to_s),
    "amount"     => BigDecimal.new(amount.to_s),
    "order_type" => "sell",
    "ltimestamp" => Time.now.to_i,
  }
end
cancel(id) click to toggle source

Cancel an open order @abstract @param [int or string] order id @return [hash]

success: [bool] status
# File lib/kaesen/btcbox.rb, line 198
def cancel(id)
  have_key?
  address = @url_private + "/trade_cancel/"
  params = {
    "id" => id,
  }
  h = post_ssl_with_sign(address, params)
  {
    "success" => h["result"],
  }
end
cancel_all() click to toggle source

Cancel all open orders @abstract @return [array]

success: [bool] status
# File lib/kaesen/btcbox.rb, line 214
def cancel_all
  have_key?
  opens.collect{|h|
    cancel(h["id"])
  }
end
depth() click to toggle source

Get order book. @abstract @return [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
# File lib/kaesen/btcbox.rb, line 64
def depth
  h = get_ssl(@url_public + "/depth")
  {
    "asks"       => h["asks"].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["bids"].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
opens() click to toggle source

Get open orders. @abstract @return [Array] open_orders_array

@return [hash] history_order_hash
  success: [bool]
  id: [String] order id in the market
  rate: [BigDecimal]
  amount: [BigDecimal]
  order_type: [String] "sell" or "buy"
ltimestamp: [int] Local Timestamp
# File lib/kaesen/btcbox.rb, line 113
def opens
  have_key?
  address = @url_private + "/trade_list/"
  params = {
    "type"   => "open",
  }
  h = post_ssl_with_sign(address, params)
  h.map{|x|
    {
      "success"    => "true",
      "id"         => x["id"],
      "rate"       => BigDecimal.new(x["price"].to_s),
      "amount"     => BigDecimal.new(x["amount_outstanding"].to_s),
      "order_type" => x["type"],
    }
  }
end
sell(rate, amount=BigDecimal.new(0)) click to toggle source

Sell the amount of Bitcoin at the rate. 指数注文 売り. Abstract Method. @param [BigDecimal] rate @param [BigDecimal] amount # minimal trade amount is 0.01 BTC @return [hash] history_order_hash

success: [String] "true" or "false"
id: [String] order id at the market
rate: [BigDecimal]
amount: [BigDecimal] minimal amount is 0.01 BTC
order_type: [String] "sell" or "buy"
ltimestamp: [int] ローカルタイムスタンプ
# File lib/kaesen/btcbox.rb, line 174
def sell(rate, amount=BigDecimal.new(0))
  have_key?
  address = @url_private + "/trade_add/"
  params = {
    "amount" => amount.to_f.round(4),
    "price" => rate.to_i,
    "type" => "sell",
  }
  h = post_ssl_with_sign(address, params)
  {
    "success"    => h["result"].to_s,
    "id"         => h["id"].to_s,
    "rate"       => BigDecimal.new(rate.to_s),
    "amount"     => BigDecimal.new(amount.to_s),
    "order_type" => "sell",
    "ltimestamp" => Time.now.to_i,
  }
end
ticker() click to toggle source

Get ticker information. @return [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
# File lib/kaesen/btcbox.rb, line 41
def ticker
  h = get_ssl(@url_public + "/ticker")
  {
    "ask"        => BigDecimal.new(h["sell"].to_s),
    "bid"        => BigDecimal.new(h["buy"].to_s),
    "last"       => BigDecimal.new(h["last"].to_s),
    "high"       => BigDecimal.new(h["high"].to_s),
    "low"        => BigDecimal.new(h["low"].to_s),
    "volume"     => BigDecimal.new(h["vol"].to_s),
    "ltimestamp" => Time.now.to_i,
  }
end

Private Instance Methods

get_nonce() click to toggle source
# File lib/kaesen/btcbox.rb, line 255
def get_nonce
  pre_nonce = @@nonce
  next_nonce = (1000*Time.now.to_f).to_i

  if next_nonce <= pre_nonce
    @@nonce = pre_nonce + 1
  else
    @@nonce = next_nonce
  end

  return @@nonce
end
get_sign(params) click to toggle source
# File lib/kaesen/btcbox.rb, line 268
def get_sign(params)
  secret = Digest::MD5.hexdigest(@api_secret)
  text = URI.encode_www_form(params)

  OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new("sha256"), secret, text)
end
get_ssl(address) click to toggle source

Connect to address via https, and return json reponse.

# File lib/kaesen/btcbox.rb, line 234
def get_ssl(address)
  uri = URI.parse(address)

  begin
    https = initialize_https(uri)
    https.start {|w|
      response = w.get(uri.request_uri)
      case response
        when Net::HTTPSuccess
          json = JSON.parse(response.body)
          raise JSONException, response.body if json == nil
          return json
        else
          raise ConnectionFailedException, "Failed to connect to #{@name}."
      end
    }
  rescue
    raise
  end
end
get_ssl_with_sign(address, params={}) click to toggle source
# File lib/kaesen/btcbox.rb, line 275
def get_ssl_with_sign(address, params={})
  uri = URI.parse(address)
  params["key"] = @api_key
  params["nonce"] = get_nonce
  params["signature"] = get_sign(params)

  begin
    req = Net::HTTP::Get.new(uri)
    req.set_form(params)

    https = initialize_https(uri)
    https.start {|w|
      response = w.request(req)
      case response
        when Net::HTTPSuccess
          json = JSON.parse(response.body)
          return json
        else
          raise ConnectionFailedException, "Failed to connect to #{@name}: " + response.value
      end
    }
  rescue
    raise
  end
end
initialize_https(uri) click to toggle source
# File lib/kaesen/btcbox.rb, line 223
def initialize_https(uri)
  https = Net::HTTP.new(uri.host, uri.port)
  https.use_ssl = true
  https.open_timeout = 5
  https.read_timeout = 15
  https.verify_mode = OpenSSL::SSL::VERIFY_PEER
  https.verify_depth = 5
  https
end
post_ssl_with_sign(address, params={}) click to toggle source
# File lib/kaesen/btcbox.rb, line 301
def post_ssl_with_sign(address, params={})
  uri = URI.parse(address)
  params["key"] = @api_key
  params["nonce"] = get_nonce
  params["signature"] = get_sign(params)

  begin
    req = Net::HTTP::Post.new(uri)
    req.set_form(params)

    https = initialize_https(uri)
    https.start {|w|
      response = w.request(req)
      case response
        when Net::HTTPSuccess
          json = JSON.parse(response.body)
          return json
        else
          raise ConnectionFailedException, "Failed to connect to #{@name}: " + response.value
      end
    }
  rescue
    raise
  end
end