lib/equestreum/chain.rb in equestreum-0.1.0 vs lib/equestreum/chain.rb in equestreum-0.1.1

@@ -1,9 +1,11 @@
 module Equestreum
   class Chain < Array
+    private :push, :append, :<<
+
     def initialize genesis
-      self.push genesis
+      push genesis
     end
 
     def grow data
       block = Block.new do |b|
         b.data = data
@@ -11,11 +13,11 @@
         b.difficulty = self.last.difficulty
       end
 
       block.mine
 
-      self.push block
+      push block
     end
 
     def hash_ok? index
       block = self[index]
 
@@ -71,8 +73,18 @@
     def blocks_get_newer?
       self.length.times do |index|
         raise EquestreumException.new "Block at #{index} seems older than its predecessor" unless newer_than_last? index
       end
       true
+    end
+
+    def save
+      File.open Config.instance.config['chain_path'], 'w' do |f|
+        f.write Marshal.dump self
+      end
+    end
+
+    def self.revive
+      Marshal.load File.read Config.instance.config['chain_path']
     end
   end
 end