diff options
| -rw-r--r-- | src/net_processing.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp index c649cf7757..44f6f5d6b6 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -2367,7 +2367,13 @@ void PeerManager::ProcessMessage(CNode& pfrom, const std::string& msg_type, CDat m_connman.PushMessage(&pfrom, msg_maker.Make(NetMsgType::VERACK)); // Signal ADDRv2 support (BIP155). - m_connman.PushMessage(&pfrom, msg_maker.Make(NetMsgType::SENDADDRV2)); + if (greatest_common_version >= 70016) { + // BIP155 defines addrv2 and sendaddrv2 for all protocol versions, but some + // implementations reject messages they don't know. As a courtesy, don't send + // it to nodes with a version before 70016, as no software is known to support + // BIP155 that doesn't announce at least that protocol version number. + m_connman.PushMessage(&pfrom, msg_maker.Make(NetMsgType::SENDADDRV2)); + } pfrom.nServices = nServices; pfrom.SetAddrLocal(addrMe); |