Let a node opt out of tx invs before we get a their bloom filter

Note that the default value for fRelayTxes is false, meaning we
now no longer relay tx inv messages before receiving the remote
peer's version message.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/main.cpp b/src/main.cpp
index abb0174edd..1c1de636a8 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2838,6 +2838,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
             vRecv >> pfrom->strSubVer;
         if (!vRecv.empty())
             vRecv >> pfrom->nStartingHeight;
+        if (!vRecv.empty())
+            vRecv >> pfrom->fRelayTxes; // set to true after we get the first filter* message
+        else
+            pfrom->fRelayTxes = true;
 
         if (pfrom->fInbound && addrMe.IsRoutable())
         {
@@ -3391,6 +3395,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
             delete pfrom->pfilter;
             pfrom->pfilter = new CBloomFilter(filter);
         }
+        pfrom->fRelayTxes = true;
     }
 
 
@@ -3419,6 +3424,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         LOCK(pfrom->cs_filter);
         delete pfrom->pfilter;
         pfrom->pfilter = NULL;
+        pfrom->fRelayTxes = true;
     }