diff --git a/src/net.h b/src/net.h index 11bfc4c9fb..245f14731b 100644 --- a/src/net.h +++ b/src/net.h @@ -489,10 +489,8 @@ public: /** Whether this peer provides all services that we want. Used for eviction decisions */ std::atomic_bool m_has_all_wanted_services{false}; - /** Whether we should relay transactions to this peer (their version - * message did not include fRelay=false and this is not a block-relay-only - * connection). This only changes from false to true. It will never change - * back to false. Used only in inbound eviction logic. */ + /** Whether we should relay transactions to this peer. This only changes + * from false to true. It will never change back to false. */ std::atomic_bool m_relays_txs{false}; /** Whether this peer has loaded a bloom filter. Used only in inbound diff --git a/src/net_processing.cpp b/src/net_processing.cpp index 363f2fde71..18992a6fb2 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -395,9 +395,7 @@ struct Peer { private: Mutex m_tx_relay_mutex; - /** Transaction relay data. Will be a nullptr if we're not relaying - * transactions with this peer (e.g. if it's a block-relay-only peer or - * the peer has sent us fRelay=false with bloom filters disabled). */ + /** Transaction relay data. May be a nullptr. */ std::unique_ptr m_tx_relay GUARDED_BY(m_tx_relay_mutex); }; @@ -3261,12 +3259,14 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, } peer->m_starting_height = starting_height; - // We only initialize the Peer::TxRelay m_relay_txs data structure if: + // Only initialize the Peer::TxRelay m_relay_txs data structure if: // - this isn't an outbound block-relay-only connection, and + // - this isn't an outbound feeler connection, and // - fRelay=true (the peer wishes to receive transaction announcements) // or we're offering NODE_BLOOM to this peer. NODE_BLOOM means that // the peer may turn on transaction relay later. if (!pfrom.IsBlockOnlyConn() && + !pfrom.IsFeelerConn() && (fRelay || (peer->m_our_services & NODE_BLOOM))) { auto* const tx_relay = peer->SetTxRelay(); { diff --git a/test/functional/p2p_sendtxrcncl.py b/test/functional/p2p_sendtxrcncl.py index 14cd815a30..50a5127f25 100755 --- a/test/functional/p2p_sendtxrcncl.py +++ b/test/functional/p2p_sendtxrcncl.py @@ -39,6 +39,12 @@ class SendTxrcnclReceiver(P2PInterface): def on_sendtxrcncl(self, message): self.sendtxrcncl_msg_received = message + +class P2PFeelerReceiver(SendTxrcnclReceiver): + def on_version(self, message): + pass # feeler connections can not send any message other than their own version + + class PeerTrackMsgOrder(P2PInterface): def __init__(self): super().__init__() @@ -163,6 +169,11 @@ class SendTxRcnclTest(BitcoinTestFramework): assert not peer.sendtxrcncl_msg_received peer.peer_disconnect() + self.log.info("SENDTXRCNCL should not be sent if feeler") + peer = self.nodes[0].add_outbound_p2p_connection(P2PFeelerReceiver(), p2p_idx=2, connection_type="feeler") + assert not peer.sendtxrcncl_msg_received + peer.peer_disconnect() + self.log.info('SENDTXRCNCL if block-relay-only triggers a disconnect') peer = self.nodes[0].add_outbound_p2p_connection( PeerNoVerack(), wait_for_verack=False, p2p_idx=3, connection_type="block-relay-only")