WIP - Issues/52 trailing buy.

inc/trailing_buy.rb

@@ -0,0 +1,34 @@
+
+# frozen_string_literal: true
+
+# @todo Get trailing buy working
+# @body This one is gonna be sweet
+
+
+def trailing_buy(_percent_of_portfolio, pair = 'LTC-USD')
+  redis = Redis.new
+
+  last_spot = redis.get("spot_#{pair.split('-')[0]}_#{pair.split('-')[1]}").to_f
+  # rest_api = Coinbase::Exchange::Client.new(ENV['GDAX_TOKEN'], ENV['GDAX_SECRET'], ENV['GDAX_PW'], product_id: pair)
+
+  # color = :light_yellow
+  # bg_color = :default
+
+  market_low = last_spot
+  spot_array = []
+
+  loop do
+    sleep 1.0 / 100
+    spot = redis.get("spot_#{pair.split('-')[0]}_#{pair.split('-')[1]}").to_f
+    spot_array << spot
+    spot_array = spot_array.last(500)
+    spot_sma = spot_array.sma.round(5)
+
+    if spot_sma < market_low
+      market_low = spot
+      # t_stop_price = spot - (spot * t_stop / 100)
+    end
+    puts "#{market_low} | #{spot} | #{spot_sma}"
+  end
+  # order_size = (bal(pair) * percent_of_portfolio) / redis.get("spot_#{pair.split('-')[0]}_#{pair.split('-')[1]}").to_f
+end