Updated protocol version to 180004, and updated the checks to accept new IP address requests from nodes down to protocol version 180003 but only report 180004 nodes.

README.md

@@ -7,8 +7,8 @@ of reliable nodes via a built-in DNS server.
 Features:
 * regularly revisits known nodes to check their availability
 * bans nodes after enough failures, or bad behaviour
-* accepts nodes down to v0.3.19 to request new IP addresses from,
-  but only reports good post-v0.3.24 nodes.
+* accepts nodes down to protocol version 180003 to request new IP addresses from,
+  but only reports good (180004) nodes.
 * keeps statistics over (exponential) windows of 2 hours, 8 hours,
   1 day and 1 week, to base decisions on.
 * very low memory (a few tens of megabytes) and cpu requirements.

db.h

@@ -12,7 +12,7 @@
 
 #define MIN_RETRY 1000
 
-#define REQUIRE_VERSION 70001
+#define REQUIRE_VERSION 180004
 
 static inline int GetRequireHeight(const bool testnet = fTestNet)
 {
@@ -119,7 +119,7 @@ public:
   }
   int GetBanTime() const {
     if (IsGood()) return 0;
-    if (clientVersion && clientVersion < 31900) { return 604800; }
+    if (clientVersion && clientVersion < 180003) { return 604800; }
     if (stat1M.reliability - stat1M.weight + 1.0 < 0.15 && stat1M.count > 32) { return 30*86400; }
     if (stat1W.reliability - stat1W.weight + 1.0 < 0.10 && stat1W.count > 16) { return 7*86400; }
     if (stat1D.reliability - stat1D.weight + 1.0 < 0.05 && stat1D.count > 8) { return 1*86400; }

serialize.h

@@ -60,7 +60,7 @@ class CDataStream;
 class CAutoFile;
 static const unsigned int MAX_SIZE = 0x02000000;
 
-static const int PROTOCOL_VERSION = 180003;
+static const int PROTOCOL_VERSION = 180004;
 
 // Used to bypass the rule against non-const reference to temporary
 // where it makes sense with wrappers such as CFlatData or CTxDB