Use new CoinMarketCap API for cryptocurrency

1 files changed, 17 insertions, 25 deletions

diff --git a/blaunits.rb b/blaunits.rb
index be077e8..a047a66 100755
--- a/blaunits.rb
+++ b/blaunits.rb
@@ -3,37 +3,29 @@
 require 'net/http'
 require 'json'
 
-VERSION = "2.2.4"
+VERSION = "2.3.0"
 BINARY_NAME = "units"
 
 begin
-    def get_crypto_id(currency_name)
-        url = 'https://api.coinmarketcap.com/v1/ticker/?limit=0'
-        uri = URI(url)
-        response = Net::HTTP.get(uri)
-        currencies = JSON.parse(response)
-        currencies.each do |currency|
-            if currency["id"].upcase == currency_name || currency["name"].upcase == currency_name || currency["symbol"].upcase == currency_name
-                return currency["id"]
-            end
-        end
-        return ""
-    end
-
     def get_crypto_price(currency_name, convert_name)
-        from_name = get_crypto_id(currency_name)
-        if from_name == ""
-            return "Error: Unknown unit '" + currency_name + "'"
+        api_key = "55c16465-a562-4e8e-8631-416bbfd7ed82"
+        uri = URI("https://pro-api.coinmarketcap.com/v1/tools/price-conversion?symbol=" + currency_name + "&convert=" + convert_name + "&amount=1" )
+        response = Net::HTTP.start(uri.host, uri.port, use_ssl: true) do |http|
+            request = Net::HTTP::Get.new(uri)
+            request["X-CMC_PRO_API_KEY"] = api_key
+            request["Accept"] = "application/json"
+            http.request(request)
         end
-        url = 'https://api.coinmarketcap.com/v1/ticker/' + from_name + '/?convert=' + convert_name
-        uri = URI(url)
-        response = Net::HTTP.get(uri)
-        currencies = JSON.parse(response)
-        price = currencies[0]["price_" + convert_name.downcase]
-        if !price
-            return "Error: Incompatible units. Can't convert " + currency_name + " to " + convert_name
+        result = JSON.parse(response.body)
+        if result["status"]["error_code"] == 0
+            price = result["data"]["quote"][convert_name.upcase]["price"]
+            if !price
+                return "Error: Incompatible units. Can't convert " + currency_name + " to " + convert_name
+            end
+        else
+            return "Error: " + result["status"]["error_message"]
         end
-        return price
+        return price.to_s
     end
 
     args = ARGV.dup