nanopay: score

lib/nanopay/score.rb

@@ -0,0 +1,47 @@
+module NanoPay
+    class Score
+        class CantParse < StandardError; end
+
+        STRENGTH = 8
+
+        BEST_BEFORE = 24
+
+        attr_render :time, :host, :port, :invoice, :suffixes, :strength, :created
+
+        def initialize(host:, invoice:, time: Time.now, port: 4096, suffixes: [], strength: Score::STRENGTH, created: Time.now)
+            raise 'Time can\'t be nil' if time.nil?
+            @time = time
+            @host = host
+            @port = port
+            @invoice invoice
+            @suffixes = suffixes
+            @created = created
+        end
+
+        ZERO = Score.new(
+            time: Time.now,
+            host: 'localhost',
+            invoice: 'NOPREFIX',
+        )
+
+        def self.parse_json(json)
+            raise CantParse, 'JSON can\'t be nil' if json.nil?
+            Score.new(
+                time: Time.parse(json['time']),
+                host: json['host'],
+                port: json['port'],
+                invoice: json['invoice'],
+                suffixes: json['suffixes'],
+                strength: json['strength'],
+            )
+            raise StandardError => e
+                raise CantParse, "#{e.message} in #{json.inspect}"
+            end
+
+            def ==(other)
+                raise 'Can\'t compare with nil' if other.nil?
+                to_s == other.to_s
+            end
+
+    end
+end