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clarify processing of mempool-msgs when NODE_BLOOM

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Under which circumstances we process received 'mempool' P2P messages
caused confusion in #27426. Rather than bikeshedding the formulation
of the IF-statement, this adds a comment clarifing when we process
the message. Also, correcting the comment of `m_send_mempool`.

Co-authored-by: willcl-ark <will8clark@gmail.com>
This commit is contained in:
0xb10c 2023-05-03 00:24:22 +02:00
parent da9f62f912
commit 4581a682d2
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1 changed files with 4 additions and 1 deletions
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5
src/net_processing.cpp
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@ -292,7 +292,8 @@ struct Peer {
* this does not have to be sorted. */
std::set<uint256> m_tx_inventory_to_send GUARDED_BY(m_tx_inventory_mutex);
/** Whether the peer has requested us to send our complete mempool. Only
* permitted if the peer has NetPermissionFlags::Mempool. See BIP35. */
* permitted if the peer has NetPermissionFlags::Mempool or we advertise
* NODE_BLOOM. See BIP35. */
bool m_send_mempool GUARDED_BY(m_tx_inventory_mutex){false};
/** The last time a BIP35 `mempool` request was serviced. */
std::atomic<std::chrono::seconds> m_last_mempool_req{0s};
@ -4600,6 +4601,8 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
}
if (msg_type == NetMsgType::MEMPOOL) {
// Only process received mempool messages if we advertise NODE_BLOOM
// or if the peer has mempool permissions.
if (!(peer->m_our_services & NODE_BLOOM) && !pfrom.HasPermission(NetPermissionFlags::Mempool))
{
if (!pfrom.HasPermission(NetPermissionFlags::NoBan))