A better way to convert between uint160 and uint256 types.

Conversion.cpp

@@ -36,4 +36,18 @@ bool u160ToHuman(uint160& buf, std::string& retStr)
 {
 	retStr=EncodeBase58(buf.begin(),buf.end());
 	return(true);
-}
+}
+
+uint160 uint256::to160() const
+{
+ uint160 m;
+ memcpy(&m, this, sizeof(uint160));
+ return m;
+}
+
+uint256 uint160::to256() const
+{
+ uint256 m;
+ memcpy(&m, this, sizeof(this));
+ return m;
+}