script.rb in bitcoin-ruby-0.0.8

- old
+ new

@@ -661,11 +661,11 @@
     get_multisig_pubkeys.map{|pub|
       begin
         Bitcoin::Key.new(nil, pub.unpack("H*")[0]).addr
       rescue OpenSSL::PKey::ECError, OpenSSL::PKey::EC::Point::Error
       end
-    }.compact
+    }
   end
 
   def get_p2sh_address
     Bitcoin.hash160_to_p2sh_address(get_hash160)
   end
@@ -823,9 +823,14 @@
   end
 
   def get_signatures_required
     return false unless is_multisig?
     @chunks[0] - 80
+  end
+
+  def get_keys_provided
+    return false  unless is_multisig?
+    @chunks[-2] - 80
   end
 
   # This matches CScript::GetSigOpCount(bool fAccurate)
   # Note: this does not cover P2SH script which is to be unserialized
   #       and checked explicitly when validating blocks.