chore: bump MIN_PEER_PROTO_VERSION to 70215 (#4764)

* chore: bump MIN_PEER_PROTO_VERSION to 70215

simplifies logic, removes branches

This protocol version is from v14 in May of 2019, should be more than safe to bump this

* drop MIN_COINJOIN_PEER_PROTO_VERSION

Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>

src/coinjoin/client.cpp

@@ -43,16 +43,6 @@ void CCoinJoinClientQueueManager::ProcessMessage(CNode* pfrom, const std::string
     }
 
     if (strCommand == NetMsgType::DSQUEUE) {
-        if (pfrom->nVersion < MIN_COINJOIN_PEER_PROTO_VERSION) {
-            LogPrint(BCLog::COINJOIN, "DSQUEUE -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-            if (enable_bip61) {
-                connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                      REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_COINJOIN_PEER_PROTO_VERSION)));
-            }
-            return;
-        }
-
         CCoinJoinQueue dsq;
         vRecv >> dsq;
 
@@ -148,16 +138,6 @@ void CCoinJoinClientSession::ProcessMessage(CNode* pfrom, const std::string& str
     if (!masternodeSync.IsBlockchainSynced()) return;
 
     if (strCommand == NetMsgType::DSSTATUSUPDATE) {
-        if (pfrom->nVersion < MIN_COINJOIN_PEER_PROTO_VERSION) {
-            LogPrint(BCLog::COINJOIN, "DSSTATUSUPDATE -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-            if (enable_bip61) {
-                connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                      REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_COINJOIN_PEER_PROTO_VERSION)));
-            }
-            return;
-        }
-
         if (!mixingMasternode) return;
         if (mixingMasternode->pdmnState->addr != pfrom->addr) {
             return;
@@ -169,16 +149,6 @@ void CCoinJoinClientSession::ProcessMessage(CNode* pfrom, const std::string& str
         ProcessPoolStateUpdate(psssup);
 
     } else if (strCommand == NetMsgType::DSFINALTX) {
-        if (pfrom->nVersion < MIN_COINJOIN_PEER_PROTO_VERSION) {
-            LogPrint(BCLog::COINJOIN, "DSFINALTX -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-            if (enable_bip61) {
-                connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                      REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_COINJOIN_PEER_PROTO_VERSION)));
-            }
-            return;
-        }
-
         if (!mixingMasternode) return;
         if (mixingMasternode->pdmnState->addr != pfrom->addr) {
             return;
@@ -199,16 +169,6 @@ void CCoinJoinClientSession::ProcessMessage(CNode* pfrom, const std::string& str
         SignFinalTransaction(txNew, pfrom, connman);
 
     } else if (strCommand == NetMsgType::DSCOMPLETE) {
-        if (pfrom->nVersion < MIN_COINJOIN_PEER_PROTO_VERSION) {
-            LogPrint(BCLog::COINJOIN, "DSCOMPLETE -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-            if (enable_bip61) {
-                connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                      REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_COINJOIN_PEER_PROTO_VERSION)));
-            }
-            return;
-        }
-
         if (!mixingMasternode) return;
         if (mixingMasternode->pdmnState->addr != pfrom->addr) {
             LogPrint(BCLog::COINJOIN, "DSCOMPLETE -- message doesn't match current Masternode: infoMixingMasternode=%s  addr=%s\n", mixingMasternode->pdmnState->addr.ToString(), pfrom->addr.ToString());
@@ -1086,7 +1046,6 @@ bool CCoinJoinClientSession::JoinExistingQueue(CAmount nBalanceNeedsAnonymized,
         mixingMasternode = dmn;
         pendingDsaRequest = CPendingDsaRequest(dmn->pdmnState->addr, CCoinJoinAccept(nSessionDenom, txMyCollateral));
         connman.AddPendingMasternode(dmn->proTxHash);
-        // TODO: add new state POOL_STATE_CONNECTING and bump MIN_COINJOIN_PEER_PROTO_VERSION
         SetState(POOL_STATE_QUEUE);
         nTimeLastSuccessfulStep = GetTime();
         LogPrint(BCLog::COINJOIN, "CCoinJoinClientSession::JoinExistingQueue -- pending connection (from queue): nSessionDenom: %d (%s), addr=%s\n",
@@ -1166,7 +1125,6 @@ bool CCoinJoinClientSession::StartNewQueue(CAmount nBalanceNeedsAnonymized, CCon
         mixingMasternode = dmn;
         connman.AddPendingMasternode(dmn->proTxHash);
         pendingDsaRequest = CPendingDsaRequest(dmn->pdmnState->addr, CCoinJoinAccept(nSessionDenom, txMyCollateral));
-        // TODO: add new state POOL_STATE_CONNECTING and bump MIN_COINJOIN_PEER_PROTO_VERSION
         SetState(POOL_STATE_QUEUE);
         nTimeLastSuccessfulStep = GetTime();
         LogPrint(BCLog::COINJOIN, "CCoinJoinClientSession::StartNewQueue -- pending connection, nSessionDenom: %d (%s), addr=%s\n",
@@ -1185,8 +1143,6 @@ bool CCoinJoinClientSession::ProcessPendingDsaRequest(CConnman& connman)
     bool fDone = connman.ForNode(pendingDsaRequest.GetAddr(), [this, &connman](CNode* pnode) {
         LogPrint(BCLog::COINJOIN, "-- processing dsa queue for addr=%s\n", pnode->addr.ToString());
         nTimeLastSuccessfulStep = GetTime();
-        // TODO: this vvvv should be here after new state POOL_STATE_CONNECTING is added and MIN_COINJOIN_PEER_PROTO_VERSION is bumped
-        // SetState(POOL_STATE_QUEUE);
         CNetMsgMaker msgMaker(pnode->GetSendVersion());
         connman.PushMessage(pnode, msgMaker.Make(NetMsgType::DSACCEPT, pendingDsaRequest.GetDSA()));
         return true;

src/coinjoin/coinjoin.cpp

@@ -74,7 +74,7 @@ bool CCoinJoinQueue::Relay(CConnman& connman)
 {
     connman.ForEachNode([&connman, this](CNode* pnode) {
         CNetMsgMaker msgMaker(pnode->GetSendVersion());
-        if (pnode->nVersion >= MIN_COINJOIN_PEER_PROTO_VERSION && pnode->fSendDSQueue) {
+        if (pnode->fSendDSQueue) {
             connman.PushMessage(pnode, msgMaker.Make(NetMsgType::DSQUEUE, (*this)));
         }
     });

src/coinjoin/server.cpp

@@ -47,17 +47,6 @@ void CCoinJoinServer::ProcessMessage(CNode* pfrom, const std::string& strCommand
 
 void CCoinJoinServer::ProcessDSACCEPT(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, CConnman& connman, bool enable_bip61)
 {
-    if (pfrom->nVersion < MIN_COINJOIN_PEER_PROTO_VERSION) {
-        LogPrint(BCLog::COINJOIN, "DSACCEPT -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-        if (enable_bip61) {
-            connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                  REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_COINJOIN_PEER_PROTO_VERSION)));
-        }
-        PushStatus(pfrom, STATUS_REJECTED, ERR_VERSION, connman);
-        return;
-    }
-
     if (IsSessionReady()) {
         // too many users in this session already, reject new ones
         LogPrint(BCLog::COINJOIN, "DSACCEPT -- queue is already full!\n");
@@ -123,16 +112,6 @@ void CCoinJoinServer::ProcessDSACCEPT(CNode* pfrom, const std::string& strComman
 
 void CCoinJoinServer::ProcessDSQUEUE(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, CConnman& connman, bool enable_bip61)
 {
-    if (pfrom->nVersion < MIN_COINJOIN_PEER_PROTO_VERSION) {
-        LogPrint(BCLog::COINJOIN, "DSQUEUE -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-        if (enable_bip61) {
-            connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                  REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_COINJOIN_PEER_PROTO_VERSION)));
-        }
-        return;
-    }
-
     CCoinJoinQueue dsq;
     vRecv >> dsq;
 
@@ -189,17 +168,6 @@ void CCoinJoinServer::ProcessDSQUEUE(CNode* pfrom, const std::string& strCommand
 
 void CCoinJoinServer::ProcessDSVIN(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, CConnman& connman, bool enable_bip61)
 {
-    if (pfrom->nVersion < MIN_COINJOIN_PEER_PROTO_VERSION) {
-        LogPrint(BCLog::COINJOIN, "DSVIN -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-        if (enable_bip61) {
-            connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                  REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_COINJOIN_PEER_PROTO_VERSION)));
-        }
-        PushStatus(pfrom, STATUS_REJECTED, ERR_VERSION, connman);
-        return;
-    }
-
     //do we have enough users in the current session?
     if (!IsSessionReady()) {
         LogPrint(BCLog::COINJOIN, "DSVIN -- session not complete!\n");
@@ -226,16 +194,6 @@ void CCoinJoinServer::ProcessDSVIN(CNode* pfrom, const std::string& strCommand,
 
 void CCoinJoinServer::ProcessDSSIGNFINALTX(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, CConnman& connman, bool enable_bip61)
 {
-    if (pfrom->nVersion < MIN_COINJOIN_PEER_PROTO_VERSION) {
-        LogPrint(BCLog::COINJOIN, "DSSIGNFINALTX -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-        if (enable_bip61) {
-            connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                  REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_COINJOIN_PEER_PROTO_VERSION)));
-        }
-        return;
-    }
-
     std::vector<CTxIn> vecTxIn;
     vRecv >> vecTxIn;
 

src/evo/simplifiedmns.h

@@ -102,18 +102,14 @@ public:
     std::vector<uint256> deletedMNs;
     std::vector<CSimplifiedMNListEntry> mnList;
 
-    // starting with proto version LLMQS_PROTO_VERSION, we also transfer changes in active quorums
     std::vector<std::pair<uint8_t, uint256>> deletedQuorums; // p<LLMQType, quorumHash>
     std::vector<llmq::CFinalCommitment> newQuorums;
 
     SERIALIZE_METHODS(CSimplifiedMNListDiff, obj)
     {
         READWRITE(obj.baseBlockHash, obj.blockHash, obj.cbTxMerkleTree, obj.cbTx, obj.deletedMNs, obj.mnList);
-
-        if (s.GetVersion() >= LLMQS_PROTO_VERSION) {
         READWRITE(obj.deletedQuorums, obj.newQuorums);
     }
-    }
 
     CSimplifiedMNListDiff();
     ~CSimplifiedMNListDiff();

src/governance/governance.cpp

@@ -93,16 +93,6 @@ void CGovernanceManager::ProcessMessage(CNode* pfrom, const std::string& strComm
 
     // ANOTHER USER IS ASKING US TO HELP THEM SYNC GOVERNANCE OBJECT DATA
     if (strCommand == NetMsgType::MNGOVERNANCESYNC) {
-        if (pfrom->nVersion < MIN_GOVERNANCE_PEER_PROTO_VERSION) {
-            LogPrint(BCLog::GOBJECT, "MNGOVERNANCESYNC -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-            if (enable_bip61) {
-                connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                      REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_GOVERNANCE_PEER_PROTO_VERSION)));
-            }
-            return;
-        }
-
         // Ignore such requests until we are fully synced.
         // We could start processing this after masternode list is synced
         // but this is a heavy one so it's better to finish sync first.
@@ -138,16 +128,6 @@ void CGovernanceManager::ProcessMessage(CNode* pfrom, const std::string& strComm
             EraseObjectRequest(pfrom->GetId(), CInv(MSG_GOVERNANCE_OBJECT, nHash));
         }
 
-        if (pfrom->nVersion < MIN_GOVERNANCE_PEER_PROTO_VERSION) {
-            LogPrint(BCLog::GOBJECT, "MNGOVERNANCEOBJECT -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-            if (enable_bip61) {
-                connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                      REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_GOVERNANCE_PEER_PROTO_VERSION)));
-            }
-            return;
-        }
-
         if (!masternodeSync.IsBlockchainSynced()) {
             LogPrint(BCLog::GOBJECT, "MNGOVERNANCEOBJECT -- masternode list not synced\n");
             return;
@@ -215,15 +195,6 @@ void CGovernanceManager::ProcessMessage(CNode* pfrom, const std::string& strComm
             EraseObjectRequest(pfrom->GetId(), CInv(MSG_GOVERNANCE_OBJECT_VOTE, nHash));
         }
 
-        if (pfrom->nVersion < MIN_GOVERNANCE_PEER_PROTO_VERSION) {
-            LogPrint(BCLog::GOBJECT, "MNGOVERNANCEOBJECTVOTE -- peer=%d using obsolete version %i\n", pfrom->GetId(), pfrom->nVersion);
-            if (enable_bip61) {
-                connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::REJECT, strCommand,
-                                                                                      REJECT_OBSOLETE, strprintf(
-                                "Version must be %d or greater", MIN_GOVERNANCE_PEER_PROTO_VERSION)));
-            }
-        }
-
         // Ignore such messages until masternode list is synced
         if (!masternodeSync.IsBlockchainSynced()) {
             LogPrint(BCLog::GOBJECT, "MNGOVERNANCEOBJECTVOTE -- masternode list not synced\n");
@@ -959,7 +930,6 @@ void CGovernanceManager::RequestGovernanceObject(CNode* pfrom, const uint256& nH
 
 int CGovernanceManager::RequestGovernanceObjectVotes(CNode* pnode, CConnman& connman)
 {
-    if (pnode->nVersion < MIN_GOVERNANCE_PEER_PROTO_VERSION) return -3;
     std::vector<CNode*> vNodesCopy;
     vNodesCopy.push_back(pnode);
     return RequestGovernanceObjectVotes(vNodesCopy, connman);
@@ -1038,8 +1008,6 @@ int CGovernanceManager::RequestGovernanceObjectVotes(const std::vector<CNode*>&
             // Inbound connection this early is most likely a "masternode" connection
             // initiated from another node, so skip it too.
             if (!pnode->CanRelay() || (fMasternodeMode && pnode->fInbound)) continue;
-            // only use up to date peers
-            if (pnode->nVersion < MIN_GOVERNANCE_PEER_PROTO_VERSION) continue;
             // stop early to prevent setAskFor overflow
             {
                 LOCK(cs_main);

src/governance/object.cpp

@@ -677,7 +677,7 @@ void CGovernanceObject::Relay(CConnman& connman) const
         return;
     }
 
-    int minProtoVersion = MIN_GOVERNANCE_PEER_PROTO_VERSION;
+    int minProtoVersion = MIN_PEER_PROTO_VERSION;
     if (nObjectType == GOVERNANCE_OBJECT_PROPOSAL) {
         // We know this proposal is valid locally, otherwise we would not get to the point we should relay it.
         // But we don't want to relay it to pre-GOVSCRIPT_PROTO_VERSION peers if payment_address is p2sh

src/governance/vote.cpp

@@ -129,15 +129,8 @@ void CGovernanceVote::Relay(CConnman& connman) const
         return;
     }
 
-    // When this vote is from non-valid (PoSe banned) MN, we should only announce it to v0.14.0.1 nodes as older nodes
-    // will ban us otherwise.
-    int minVersion = MIN_GOVERNANCE_PEER_PROTO_VERSION;
-    if (!CDeterministicMNList::IsMNValid(*dmn)) {
-        minVersion = GOVERNANCE_POSE_BANNED_VOTES_VERSION;
-    }
-
     CInv inv(MSG_GOVERNANCE_OBJECT_VOTE, GetHash());
-    connman.RelayInv(inv, minVersion);
+    connman.RelayInv(inv);
 }
 
 void CGovernanceVote::UpdateHash() const

src/llmq/chainlocks.cpp

@@ -150,7 +150,7 @@ void CChainLocksHandler::ProcessNewChainLock(const NodeId from, const llmq::CCha
 
     // Note: do not hold cs while calling RelayInv
     AssertLockNotHeld(cs);
-    g_connman->RelayInv(clsigInv, LLMQS_PROTO_VERSION);
+    g_connman->RelayInv(clsigInv);
 
     if (pindex == nullptr) {
         // we don't know the block/header for this CLSIG yet, so bail out for now

src/llmq/instantsend.cpp

@@ -1082,11 +1082,11 @@ void CInstantSendManager::ProcessInstantSendLock(NodeId from, const uint256& has
     const auto is_det = islock->IsDeterministic();
     CInv inv(is_det ? MSG_ISDLOCK : MSG_ISLOCK, hash);
     if (tx != nullptr) {
-        g_connman->RelayInvFiltered(inv, *tx, is_det ? ISDLOCK_PROTO_VERSION : LLMQS_PROTO_VERSION);
+        g_connman->RelayInvFiltered(inv, *tx, is_det ? ISDLOCK_PROTO_VERSION : MIN_PEER_PROTO_VERSION);
     } else {
         // we don't have the TX yet, so we only filter based on txid. Later when that TX arrives, we will re-announce
         // with the TX taken into account.
-        g_connman->RelayInvFiltered(inv, islock->txid, is_det ? ISDLOCK_PROTO_VERSION : LLMQS_PROTO_VERSION);
+        g_connman->RelayInvFiltered(inv, islock->txid, is_det ? ISDLOCK_PROTO_VERSION : MIN_PEER_PROTO_VERSION);
     }
 
     ResolveBlockConflicts(hash, *islock);

src/llmq/signing.cpp

@@ -828,7 +828,7 @@ void CSigningManager::ProcessRecoveredSig(const std::shared_ptr<const CRecovered
     if (fMasternodeMode) {
         CInv inv(MSG_QUORUM_RECOVERED_SIG, recoveredSig->GetHash());
         g_connman->ForEachNode([&](CNode* pnode) {
-            if (pnode->nVersion >= LLMQS_PROTO_VERSION && pnode->fSendRecSigs) {
+            if (pnode->fSendRecSigs) {
                 pnode->PushInventory(inv);
             }
         });

src/masternode/sync.cpp

@@ -255,7 +255,6 @@ void CMasternodeSync::ProcessTick(CConnman& connman)
                 }
                 netfulfilledman.AddFulfilledRequest(pnode->addr, "governance-sync");
 
-                if (pnode->nVersion < MIN_GOVERNANCE_PEER_PROTO_VERSION) continue;
                 nTriedPeerCount++;
 
                 SendGovernanceSyncRequest(pnode, connman);

src/net_processing.cpp

@@ -2683,7 +2683,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
                       (fLogIPs ? strprintf(", peeraddr=%s", pfrom->addr.ToString()) : ""));
         }
 
-        if (pfrom->nVersion >= LLMQS_PROTO_VERSION && !pfrom->m_masternode_probe_connection) {
+        if (!pfrom->m_masternode_probe_connection) {
             CMNAuth::PushMNAUTH(pfrom, *connman);
         }
 
@@ -2708,14 +2708,8 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
             connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion));
         }
 
-        if (pfrom->nVersion >= SENDDSQUEUE_PROTO_VERSION) {
         // Tell our peer that he should send us CoinJoin queue messages
         connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::SENDDSQUEUE, true));
-        } else {
-            // older nodes do not support SENDDSQUEUE and expect us to always send CoinJoin queue messages
-            // TODO we can remove this compatibility code in 0.15.0
-            pfrom->fSendDSQueue = true;
-        }
 
         if (llmq::CLLMQUtils::IsWatchQuorumsEnabled() && !pfrom->m_masternode_connection) {
             connman->PushMessage(pfrom, msgMaker.Make(NetMsgType::QWATCH));
@@ -4665,7 +4659,6 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
 
                     const auto islock = llmq::quorumInstantSendManager->GetInstantSendLockByTxid(hash);
                     if (islock == nullptr) continue;
-                    if (pto->nVersion < LLMQS_PROTO_VERSION) continue;
                     if (pto->nVersion < ISDLOCK_PROTO_VERSION && islock->IsDeterministic()) continue;
                     queueAndMaybePushInv(CInv(islock->IsDeterministic() ? MSG_ISDLOCK : MSG_ISLOCK, ::SerializeHash(*islock)));
                 }

src/version.h

@@ -17,31 +17,15 @@ static const int PROTOCOL_VERSION = 70221;
 static const int INIT_PROTO_VERSION = 209;
 
 //! disconnect from peers older than this proto version
-static const int MIN_PEER_PROTO_VERSION = 70213;
+static const int MIN_PEER_PROTO_VERSION = 70215;
 
 //! minimum proto version of masternode to accept in DKGs
 static const int MIN_MASTERNODE_PROTO_VERSION = 70219;
 
-//! minimum proto version for governance sync and messages
-static const int MIN_GOVERNANCE_PEER_PROTO_VERSION = 70213;
-
-//! minimum proto version to broadcast governance messages from banned masternodes
-static const int GOVERNANCE_POSE_BANNED_VOTES_VERSION = 70215;
-
 //! 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;
 
-//! introduction of LLMQs
-static const int LLMQS_PROTO_VERSION = 70214;
-
-//! introduction of SENDDSQUEUE
-//! TODO we can remove this in 0.15.0.0
-static const int SENDDSQUEUE_PROTO_VERSION = 70214;
-
-//! minimum peer version accepted by mixing pool
-static const int MIN_COINJOIN_PEER_PROTO_VERSION = 70213;
-
 //! protocol version is included in MNAUTH starting with this version
 static const int MNAUTH_NODE_VER_VERSION = 70218;