From 18cce4836cc0ee69b867825ddbe2ddb004f05bdc Mon Sep 17 00:00:00 2001
From: gladcow <sergey@dash.org>
Date: Thu, 12 Jul 2018 12:40:12 +0300
Subject: [PATCH 1/2] use bloom filters for IX lock votes

---
 src/instantx.cpp |  6 +++++-
 src/net.cpp      | 17 +++++++++++++++++
 src/net.h        |  1 +
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/instantx.cpp b/src/instantx.cpp
index afe7f7e10f2d8..3f02f47941533 100644
--- a/src/instantx.cpp
+++ b/src/instantx.cpp
@@ -1121,7 +1121,11 @@ bool CTxLockVote::Sign()
 void CTxLockVote::Relay(CConnman& connman) const
 {
     CInv inv(MSG_TXLOCK_VOTE, GetHash());
-    connman.RelayInv(inv);
+    CTxLockRequest request;
+    if(instantsend.GetTxLockRequest(txHash, request))
+        connman.RelayInvFiltered(inv, *request.tx);
+    else
+        connman.RelayInv(inv);
 }
 
 bool CTxLockVote::IsExpired(int nHeight) const
diff --git a/src/net.cpp b/src/net.cpp
index 988230de8e73e..cfcb418bcfa6c 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -2640,6 +2640,23 @@ void CConnman::RelayInv(CInv &inv, const int minProtoVersion) {
             pnode->PushInventory(inv);
 }
 
+void CConnman::RelayInvFiltered(CInv &inv,
+                                const CTransaction& relatedTx,
+                                const int minProtoVersion) {
+    LOCK(cs_vNodes);
+    for (const auto& pnode : vNodes) {
+        if(pnode->nVersion < minProtoVersion)
+            continue;
+        {
+            LOCK(pnode->cs_filter); // TODO: do we need it?
+            if(pnode->pfilter &&
+                    !pnode->pfilter->IsRelevantAndUpdate(relatedTx))
+                continue;
+        }
+        pnode->PushInventory(inv);
+    }
+}
+
 void CConnman::RecordBytesRecv(uint64_t bytes)
 {
     LOCK(cs_totalBytesRecv);
diff --git a/src/net.h b/src/net.h
index cd135e5f230d5..bc58b4ebac232 100644
--- a/src/net.h
+++ b/src/net.h
@@ -309,6 +309,7 @@ class CConnman
     void RelayTransaction(const CTransaction& tx);
     void RelayTransaction(const CTransaction& tx, const CDataStream& ss);
     void RelayInv(CInv &inv, const int minProtoVersion = MIN_PEER_PROTO_VERSION);
+    void RelayInvFiltered(CInv &inv, const CTransaction &relatedTx, const int minProtoVersion = MIN_PEER_PROTO_VERSION);
 
     // Addrman functions
     size_t GetAddressCount() const;

From b7629001b02fc2b277d52d9dfb0fda6c71e53d9d Mon Sep 17 00:00:00 2001
From: gladcow <sergey@dash.org>
Date: Tue, 17 Jul 2018 12:08:53 +0300
Subject: [PATCH 2/2] code style fixes

---
 src/net.cpp | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/net.cpp b/src/net.cpp
index cfcb418bcfa6c..630ab50b5b258 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -2640,17 +2640,15 @@ void CConnman::RelayInv(CInv &inv, const int minProtoVersion) {
             pnode->PushInventory(inv);
 }
 
-void CConnman::RelayInvFiltered(CInv &inv,
-                                const CTransaction& relatedTx,
-                                const int minProtoVersion) {
+void CConnman::RelayInvFiltered(CInv &inv, const CTransaction& relatedTx, const int minProtoVersion)
+{
     LOCK(cs_vNodes);
     for (const auto& pnode : vNodes) {
         if(pnode->nVersion < minProtoVersion)
             continue;
         {
-            LOCK(pnode->cs_filter); // TODO: do we need it?
-            if(pnode->pfilter &&
-                    !pnode->pfilter->IsRelevantAndUpdate(relatedTx))
+            LOCK(pnode->cs_filter);
+            if(pnode->pfilter && !pnode->pfilter->IsRelevantAndUpdate(relatedTx))
                 continue;
         }
         pnode->PushInventory(inv);