diff options
Diffstat (limited to 'src/net_processing.cpp')
-rw-r--r-- | src/net_processing.cpp | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp index 1d69975f55..7b5ba955b2 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -603,9 +603,11 @@ private: /** Next time to check for stale tip */ std::chrono::seconds m_stale_tip_check_time{0s}; - /** Whether this node is running in blocks only mode */ + /** Whether this node is running in -blocksonly mode */ const bool m_ignore_incoming_txs; + bool RejectIncomingTxs(const CNode& peer) const; + /** Whether we've completed initial sync yet, for determining when to turn * on extra block-relay-only peers. */ bool m_initial_sync_finished{false}; @@ -1009,7 +1011,7 @@ void PeerManagerImpl::MaybeSetPeerAsAnnouncingHeaderAndIDs(NodeId nodeid) { AssertLockHeld(cs_main); - // Never request high-bandwidth mode from peers if we're blocks-only. Our + // When in -blocksonly mode, never request high-bandwidth mode from peers. Our // mempool will not contain the transactions necessary to reconstruct the // compact block. if (m_ignore_incoming_txs) return; @@ -3084,14 +3086,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, return; } - // Reject tx INVs when the -blocksonly setting is enabled, or this is a - // block-relay-only peer - bool reject_tx_invs{m_ignore_incoming_txs || pfrom.IsBlockOnlyConn()}; - - // Allow peers with relay permission to send data other than blocks in blocks only mode - if (pfrom.HasPermission(NetPermissionFlags::Relay)) { - reject_tx_invs = false; - } + const bool reject_tx_invs{RejectIncomingTxs(pfrom)}; LOCK(cs_main); @@ -3372,10 +3367,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, } if (msg_type == NetMsgType::TX) { - // Stop processing the transaction early if - // 1) We are in blocks only mode and peer has no relay permission; OR - // 2) This peer is a block-relay-only peer - if ((m_ignore_incoming_txs && !pfrom.HasPermission(NetPermissionFlags::Relay)) || pfrom.IsBlockOnlyConn()) { + if (RejectIncomingTxs(pfrom)) { LogPrint(BCLog::NET, "transaction sent in violation of protocol peer=%d\n", pfrom.GetId()); pfrom.fDisconnect = true; return; @@ -4659,6 +4651,15 @@ public: return mp->CompareDepthAndScore(*b, *a, m_wtxid_relay); } }; +} // namespace + +bool PeerManagerImpl::RejectIncomingTxs(const CNode& peer) const +{ + // block-relay-only peers may never send txs to us + if (peer.IsBlockOnlyConn()) return true; + // In -blocksonly mode, peers need the 'relay' permission to send txs to us + if (m_ignore_incoming_txs && !peer.HasPermission(NetPermissionFlags::Relay)) return true; + return false; } bool PeerManagerImpl::SetupAddressRelay(const CNode& node, Peer& peer) |