Always disconnect old nodes which request filtered connections.

src/init.cpp

@@ -369,8 +369,6 @@ std::string HelpMessage(HelpMessageMode mode)
     strUsage += HelpMessageOpt("-onlynet=<net>", _("Only connect to nodes in network <net> (ipv4, ipv6 or onion)"));
     strUsage += HelpMessageOpt("-permitbaremultisig", strprintf(_("Relay non-P2SH multisig (default: %u)"), DEFAULT_PERMIT_BAREMULTISIG));
     strUsage += HelpMessageOpt("-peerbloomfilters", strprintf(_("Support filtering of blocks and transaction with bloom filters (default: %u)"), DEFAULT_PEERBLOOMFILTERS));
-    if (showDebug)
-        strUsage += HelpMessageOpt("-enforcenodebloom", strprintf("Enforce minimum protocol version to limit use of bloom filters (default: %u)", DEFAULT_ENFORCENODEBLOOM));
     strUsage += HelpMessageOpt("-port=<port>", strprintf(_("Listen for connections on <port> (default: %u or testnet: %u)"), Params(CBaseChainParams::MAIN).GetDefaultPort(), Params(CBaseChainParams::TESTNET).GetDefaultPort()));
     strUsage += HelpMessageOpt("-proxy=<ip:port>", _("Connect through SOCKS5 proxy"));
     strUsage += HelpMessageOpt("-proxyrandomize", strprintf(_("Randomize credentials for every proxy connection. This enables Tor stream isolation (default: %u)"), DEFAULT_PROXYRANDOMIZE));

src/main.cpp

@@ -4377,7 +4377,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
         if (pfrom->nVersion >= NO_BLOOM_VERSION) {
             Misbehaving(pfrom->GetId(), 100);
             return false;
-        } else if (GetBoolArg("-enforcenodebloom", DEFAULT_ENFORCENODEBLOOM)) {
+        } else {
             pfrom->fDisconnect = true;
             return false;
         }

src/main.h

@@ -122,7 +122,6 @@ static const bool DEFAULT_ENABLE_REPLACEMENT = true;
 static const unsigned int MAX_BLOCKS_TO_ANNOUNCE = 8;
 
 static const bool DEFAULT_PEERBLOOMFILTERS = true;
-static const bool DEFAULT_ENFORCENODEBLOOM = false;
 
 struct BlockHasher
 {