diff options
| -rw-r--r-- | src/net.h | 1 | ||||
| -rw-r--r-- | src/net_processing.cpp | 12 |
2 files changed, 7 insertions, 6 deletions
@@ -445,6 +445,7 @@ public: * messages, implying a preference to receive ADDRv2 instead of ADDR ones. */ std::atomic_bool m_wants_addrv2{false}; + /** fSuccessfullyConnected is set to true on receiving VERACK from the peer. */ std::atomic_bool fSuccessfullyConnected{false}; // Setting fDisconnect to true will cause the node to be disconnected the // next time DisconnectNodes() runs diff --git a/src/net_processing.cpp b/src/net_processing.cpp index 2dffbd7620..a246c8fa1c 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -2745,12 +2745,11 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, return; } - // Feature negotiation of wtxidrelay must happen between VERSION and VERACK - // to avoid relay problems from switching after a connection is up. + // BIP339 defines feature negotiation of wtxidrelay, which must happen between + // VERSION and VERACK to avoid relay problems from switching after a connection is up. if (msg_type == NetMsgType::WTXIDRELAY) { if (pfrom.fSuccessfullyConnected) { - // Disconnect peers that send wtxidrelay message after VERACK; this - // must be negotiated between VERSION and VERACK. + // Disconnect peers that send a wtxidrelay message after VERACK. LogPrint(BCLog::NET, "wtxidrelay received after verack from peer=%d; disconnecting\n", pfrom.GetId()); pfrom.fDisconnect = true; return; @@ -2769,10 +2768,11 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, return; } + // BIP155 defines feature negotiation of addrv2 and sendaddrv2, which must happen + // between VERSION and VERACK. if (msg_type == NetMsgType::SENDADDRV2) { if (pfrom.fSuccessfullyConnected) { - // Disconnect peers that send SENDADDRV2 message after VERACK; this - // must be negotiated between VERSION and VERACK. + // Disconnect peers that send a SENDADDRV2 message after VERACK. LogPrint(BCLog::NET, "sendaddrv2 received after verack from peer=%d; disconnecting\n", pfrom.GetId()); pfrom.fDisconnect = true; return; |