Module: Cryptum::API
- Defined in:
- lib/cryptum/api.rb
Overview
This plugin is used to interact withbtje Coinbase REST API
Class Method Summary collapse
-
.cancel_all_open_orders(opts = {}) ⇒ Object
rest_api_call( env: env, http_method: :DELETE, api_call: “/orders/#order_id”, option_choice: option_choice, params: params, order_type: order_type ) rescue StandardError => e raise e end.
-
.generate_signature(opts = {}) ⇒ Object
- Supported Method Parameters
-
Cryptum::API.generate_signature( ).
- .get_fees(opts = {}) ⇒ Object
-
.get_order_history(opts = {}) ⇒ Object
profiles rescue StandardError => e raise e end.
- .get_portfolio(opts = {}) ⇒ Object
- .get_products(opts = {}) ⇒ Object
- .gtfo(opts = {}) ⇒ Object
-
.help ⇒ Object
Display Usage for this Module.
- .submit_limit_order(opts = {}) ⇒ Object
Class Method Details
.cancel_all_open_orders(opts = {}) ⇒ Object
rest_api_call(
env: env,
http_method: :DELETE,
api_call: "/orders/#{order_id}",
option_choice: option_choice,
params: params,
order_type: order_type
)
rescue StandardError => e
raise e
end
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# File 'lib/cryptum/api.rb', line 435 public_class_method def self.cancel_all_open_orders(opts = {}) env = opts[:env] option_choice = opts[:option_choice] event_notes = opts[:event_notes] product_id = option_choice.symbol.to_s.gsub('_', '-').upcase order_hash = {} order_hash[:product_id] = product_id # http_body = order_hash.to_json params = order_hash canceled_order_id_arr = [] loop do canceled_order_id_arr = rest_api_call( env: env, http_method: :DELETE, api_call: '/orders', option_choice: option_choice, params: params, event_notes: event_notes ) break if canceled_order_id_arr.empty? end canceled_order_id_arr rescue StandardError => e raise e end |
.generate_signature(opts = {}) ⇒ Object
- Supported Method Parameters
-
Cryptum::API.generate_signature( )
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# File 'lib/cryptum/api.rb', line 16 public_class_method def self.generate_signature(opts = {}) api_secret = opts[:api_secret] http_method = if opts[:http_method].nil? :GET else opts[:http_method].to_s.upcase.scrub.strip.chomp.to_sym end api_call = opts[:api_call].to_s.scrub.strip.chomp api_call = '/users/self/verify' if opts[:api_call].nil? if opts[:params].nil? path = api_call else uri = Addressable::URI.new uri.query_values = opts[:params] params = uri.query path = "#{api_call}?#{params}" end http_body = opts[:http_body].to_s.scrub.strip.chomp = Time.now.utc.to_i.to_s api_signature = Base64.strict_encode64( OpenSSL::HMAC.digest( 'sha256', Base64.strict_decode64(api_secret), "#{}#{http_method}#{path}#{http_body}" ) ) if http_body == '' api_signature = Base64.strict_encode64( OpenSSL::HMAC.digest( 'sha256', Base64.strict_decode64(api_secret), "#{}#{http_method}#{path}" ) ) end api_signature_response = {} api_signature_response[:api_timestamp] = api_signature_response[:api_signature] = api_signature api_signature_response rescue RestClient::ExceptionWithResponse => e File.open('/tmp/cryptum-errors.txt', 'a') do |f| f.puts Time.now.strftime('%Y-%m-%d %H:%M:%S.%N %z') f.puts "Module: #{self}" f.puts "URL: #{api_endpoint}#{api_call}" f.puts "PARAMS: #{params.inspect}" f.puts "HTTP POST BODY: #{http_body.inspect}" if http_body != '' f.puts "#{e}\n#{e.response}\n\n\n" end rescue StandardError => e raise e end |
.get_fees(opts = {}) ⇒ Object
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# File 'lib/cryptum/api.rb', line 570 public_class_method def self.get_fees(opts = {}) option_choice = opts[:option_choice] env = opts[:env] fees_api_call = '/fees' # We don't always get fees back from Coinbase... # This is a hack to ensure we do. fees = {} fees = rest_api_call( option_choice: option_choice, env: env, http_method: :GET, api_call: fees_api_call ) fees rescue StandardError => e raise e end |
.get_order_history(opts = {}) ⇒ Object
profiles rescue StandardError => e
raise e
end
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# File 'lib/cryptum/api.rb', line 618 public_class_method def self.get_order_history(opts = {}) option_choice = opts[:option_choice] env = opts[:env] product_id = option_choice.symbol.to_s.gsub('_', '-').upcase orders_api_call = '/orders' params = {} params[:product_id] = product_id params[:status] = 'all' # We don't always get order_history back from Coinbase... # This is a hack to ensure we do. order_history = [] order_history = rest_api_call( option_choice: option_choice, env: env, http_method: :GET, api_call: orders_api_call, params: params ) # Cast UTC Timestamps as local times order_history.each do |order| order[:created_at] = Time.parse( order[:created_at] ).localtime.to_s next unless order[:done_at] order[:done_at] = Time.parse( order[:done_at] ).localtime.to_s end order_history rescue StandardError => e raise e end |
.get_portfolio(opts = {}) ⇒ Object
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# File 'lib/cryptum/api.rb', line 514 public_class_method def self.get_portfolio(opts = {}) option_choice = opts[:option_choice] env = opts[:env] crypto = opts[:crypto] fiat = opts[:fiat] fiat_portfolio_file = opts[:fiat_portfolio_file] event_notes = opts[:event_notes] # Retrieve Exchange Rates exchange_rates = get_exchange_rates( option_choice: option_choice, env: env ) portfolio_complete_arr = [] portfolio_complete_arr = rest_api_call( option_choice: option_choice, env: env, http_method: :GET, api_call: '/accounts', event_notes: event_notes ) all_products = portfolio_complete_arr.select do |products| products if products[:balance].to_f.positive? end total_holdings = 0.00 all_products.each do |product| currency = product[:currency].to_sym this_exchange_rate = exchange_rates[currency].to_f total_holdings += product[:balance].to_f / this_exchange_rate end crypto_portfolio = portfolio_complete_arr.select do |product| product if product[:currency] == crypto end fiat_portfolio = portfolio_complete_arr.select do |product| product if product[:currency] == fiat end fiat_portfolio.last[:total_holdings] = format( '%0.8f', total_holdings ) File.write( fiat_portfolio_file, JSON.pretty_generate(fiat_portfolio) ) crypto_portfolio rescue StandardError => e raise e end |
.get_products(opts = {}) ⇒ Object
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# File 'lib/cryptum/api.rb', line 466 public_class_method def self.get_products(opts = {}) option_choice = opts[:option_choice] env = opts[:env] products = rest_api_call( option_choice: option_choice, env: env, http_method: :GET, api_call: '/products' ) if products.length.positive? supported_products_filter = products.select do |product| product[:id].match?(/USD$/) && product[:status] == 'online' && product[:fx_stablecoin] == false end sorted_products = supported_products_filter.sort_by { |hash| hash[:id] } end sorted_products rescue StandardError => e raise e end |
.gtfo(opts = {}) ⇒ Object
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# File 'lib/cryptum/api.rb', line 314 public_class_method def self.gtfo(opts = {}) option_choice = opts[:option_choice] env = opts[:env] event_history = opts[:event_history] # Cancel all open orders cancel_all_open_orders( env: env, option_choice: option_choice ) product_id = option_choice.symbol.to_s.gsub('_', '-').upcase this_product = event_history.order_book[:this_product] base_increment = this_product[:base_increment] quote_increment = this_product[:quote_increment] crypto_smallest_decimal = base_increment.to_s.split('.')[-1].length fiat_smallest_decimal = quote_increment.to_s.split('.')[-1].length # TODO: Calculate / Price / Size last_three_prices_arr = [] last_ticker_price = event_history.order_book[:ticker_price].to_f second_to_last_ticker_price = event_history.order_book[:ticker_price_second_to_last].to_f third_to_last_ticker_price = event_history.order_book[:ticker_price_third_to_last].to_f last_three_prices_arr.push(last_ticker_price) last_three_prices_arr.push(second_to_last_ticker_price) last_three_prices_arr.push(third_to_last_ticker_price) limit_price = last_three_prices_arr.sort[1] price = format( "%0.#{fiat_smallest_decimal}f", limit_price ) crypto_currency = option_choice.symbol.to_s.upcase.split('_').first.to_sym portfolio = event_history.order_book[:portfolio] this_account = portfolio.select do |account| account[:currency] == crypto_currency.to_s end balance = format( "%0.#{crypto_smallest_decimal}f", this_account.first[:balance] ) current_crypto_fiat_value = format( '%0.2f', balance.to_f * price.to_f ) order_hash = {} order_hash[:type] = 'limit' order_hash[:time_in_force] = 'GTT' order_hash[:cancel_after] = 'min' order_hash[:size] = balance order_hash[:price] = price order_hash[:side] = :sell order_hash[:product_id] = product_id http_body = order_hash.to_json limit_order_resp = rest_api_call( option_choice: option_choice, env: env, http_method: :POST, api_call: '/orders', http_body: http_body, base_increment: base_increment ) # Populate Order ID on the Buy # to know what to do on the Sell this_order = {} this_order[:plan_no] = '0.0' this_order[:fiat_available] = '0.00' this_order[:risk_alloc] = current_crypto_fiat_value this_order[:allocation_decimal] = '1.0' this_order[:allocation_percent] = '100.0' this_order[:invest] = current_crypto_fiat_value this_order[:return] = current_crypto_fiat_value this_order[:profit] = '0.0' this_order[:buy_order_id] = 'N/A' this_order[:price] = price this_order[:tpm] = '0.00' this_order[:target_price] = current_crypto_fiat_value this_order[:size] = balance this_order[:color] = :magenta this_order[:sell_order_id] = limit_order_resp[:id] event_history.order_book[:order_history_meta].push(this_order) event_history rescue StandardError => e raise e end |
.help ⇒ Object
Display Usage for this Module
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# File 'lib/cryptum/api.rb', line 660 public_class_method def self.help puts "USAGE: signature = #{self}.generate_signature( api_secret: 'required - Coinbase Pro API Secret', http_method: 'optional - Defaults to :GET', api_call: 'optional - Defaults to /users/self/verify', params: 'optional - HTTP GET Parameters', http_body: 'optional HTTP POST Body' ) profiles = #{self}.get_profiles( env: 'required - Coinbase::Option.get_env Object' ) products = #{self}.get_products( env: 'required - Coinbase::Option.get_env Object' ) portfolio = #{self}.get_portfolio( env: 'required - Coinbase::Option.get_env Object' ) order_history = #{self}.get_order_history( env: 'required - Coinbase::Option.get_env Object' ) " end |
.submit_limit_order(opts = {}) ⇒ Object
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# File 'lib/cryptum/api.rb', line 231 public_class_method def self.submit_limit_order(opts = {}) option_choice = opts[:option_choice] env = opts[:env] price = opts[:price] size = opts[:size] buy_or_sell = opts[:buy_or_sell] event_history = opts[:event_history] bot_conf = opts[:bot_conf] buy_order_id = opts[:buy_order_id] tpm = bot_conf[:target_profit_margin_percent].to_f tpm_cast_as_decimal = tpm / 100 product_id = option_choice.symbol.to_s.gsub('_', '-').upcase this_product = event_history.order_book[:this_product] base_increment = this_product[:base_increment] quote_increment = this_product[:quote_increment] # crypto_smallest_decimal = base_increment.to_s.split('.')[-1].length fiat_smallest_decimal = quote_increment.to_s.split('.')[-1].length order_hash = {} order_hash[:type] = 'limit' order_hash[:time_in_force] = 'GTC' if buy_or_sell == :buy order_hash[:time_in_force] = 'GTT' order_hash[:cancel_after] = 'min' end order_hash[:size] = size order_hash[:price] = price order_hash[:side] = buy_or_sell order_hash[:product_id] = product_id http_body = order_hash.to_json limit_order_resp = rest_api_call( option_choice: option_choice, env: env, http_method: :POST, api_call: '/orders', http_body: http_body, base_increment: base_increment ) # Populate Order ID on the Buy # to know what to do on the Sell case buy_or_sell when :buy this_order = event_history.order_book[:order_plan].shift this_order[:buy_order_id] = limit_order_resp[:id] this_order[:price] = price targ_price = price.to_f + (price.to_f * tpm_cast_as_decimal) this_order[:tpm] = format( '%0.2f', tpm ) this_order[:target_price] = format( "%0.#{fiat_smallest_decimal}f", targ_price ) this_order[:size] = size this_order[:color] = :cyan event_history.order_book[:order_history_meta].push(this_order) when :sell sell_order_id = limit_order_resp[:id] event_history.order_book[:order_history_meta].each do || if [:buy_order_id] == buy_order_id [:sell_order_id] = sell_order_id [:color] = :yellow end end end event_history rescue StandardError => e raise e end |