diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/main.cpp b/src/main.cpp index 9ba90b4ead..2ee6bc5310 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -4503,7 +4503,10 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam } if (!pushed && inv.type == MSG_TX) { CTransaction tx; - if (mempool.lookup(inv.hash, tx)) { + int64_t txtime; + // To protect privacy, do not answer getdata using the mempool when + // that TX couldn't have been INVed in reply to a MEMPOOL request. + if (mempool.lookup(inv.hash, tx, txtime) && txtime <= pfrom->timeLastMempoolReq) { pfrom->PushMessage(NetMsgType::TX, tx); pushed = true; } @@ -5902,6 +5905,7 @@ bool SendMessages(CNode* pto) vInv.clear(); } } + pto->timeLastMempoolReq = GetTime(); } // Determine transactions to relay |