#include <string>
+//
+// client versioning
+//
+
+static const int CLIENT_VERSION_MAJOR = 0;
+static const int CLIENT_VERSION_MINOR = 6;
+static const int CLIENT_VERSION_REVISION = 3;
+static const int CLIENT_VERSION_BUILD = 0;
+
+static const int CLIENT_VERSION =
+ 1000000 * CLIENT_VERSION_MAJOR
+ + 10000 * CLIENT_VERSION_MINOR
+ + 100 * CLIENT_VERSION_REVISION
+ + 1 * CLIENT_VERSION_BUILD;
+
extern const std::string CLIENT_NAME;
extern const std::string CLIENT_BUILD;
extern const std::string CLIENT_DATE;
-extern const int CLIENT_VERSION;
+
+//
+// network protocol versioning
+//
+
+static const int PROTOCOL_VERSION = 60001;
+
+// earlier versions not supported as of Feb 2012, and are disconnected
+static const int MIN_PROTO_VERSION = 209;
+
+// nTime field added to CAddress, starting with this version;
+// if possible, avoid requesting addresses nodes older than this
+static const int CADDR_TIME_VERSION = 31402;
+
+// only request blocks from nodes outside this range of versions
+static const int NOBLKS_VERSION_START = 32000;
+static const int NOBLKS_VERSION_END = 32400;
+
+// BIP 0031, pong message, is enabled for all versions AFTER this one
+static const int BIP0031_VERSION = 60000;
#endif