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Merge 52c6904c78 into merged_master (Bitcoin PR bitcoin/bitcoin#28558)

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Byron Hambly 2025-08-06 15:28:22 +02:00
commit 189ca0ae5a
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7 changed files with 29 additions and 20 deletions
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30
src/net_processing.cpp
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@ -699,6 +699,10 @@ private:
/** Send `feefilter` message. */
void MaybeSendFeefilter(CNode& node, Peer& peer, std::chrono::microseconds current_time) EXCLUSIVE_LOCKS_REQUIRED(g_msgproc_mutex);
FastRandomContext m_rng GUARDED_BY(NetEventsInterface::g_msgproc_mutex);
FeeFilterRounder m_fee_filter_rounder GUARDED_BY(NetEventsInterface::g_msgproc_mutex);
const CChainParams& m_chainparams;
CConnman& m_connman;
AddrMan& m_addrman;
@ -1056,7 +1060,7 @@ private:
bool SetupAddressRelay(const CNode& node, Peer& peer) EXCLUSIVE_LOCKS_REQUIRED(g_msgproc_mutex);
void AddAddressKnown(Peer& peer, const CAddress& addr) EXCLUSIVE_LOCKS_REQUIRED(g_msgproc_mutex);
void PushAddress(Peer& peer, const CAddress& addr, FastRandomContext& insecure_rand) EXCLUSIVE_LOCKS_REQUIRED(g_msgproc_mutex);
void PushAddress(Peer& peer, const CAddress& addr) EXCLUSIVE_LOCKS_REQUIRED(g_msgproc_mutex);
};
const CNodeState* PeerManagerImpl::State(NodeId pnode) const EXCLUSIVE_LOCKS_REQUIRED(cs_main)
@ -1088,7 +1092,7 @@ void PeerManagerImpl::AddAddressKnown(Peer& peer, const CAddress& addr)
peer.m_addr_known->insert(addr.GetKey());
}
void PeerManagerImpl::PushAddress(Peer& peer, const CAddress& addr, FastRandomContext& insecure_rand)
void PeerManagerImpl::PushAddress(Peer& peer, const CAddress& addr)
{
// Known checking here is only to save space from duplicates.
// Before sending, we'll filter it again for known addresses that were
@ -1096,7 +1100,7 @@ void PeerManagerImpl::PushAddress(Peer& peer, const CAddress& addr, FastRandomCo
assert(peer.m_addr_known);
if (addr.IsValid() && !peer.m_addr_known->contains(addr.GetKey()) && IsAddrCompatible(peer, addr)) {
if (peer.m_addrs_to_send.size() >= MAX_ADDR_TO_SEND) {
peer.m_addrs_to_send[insecure_rand.randrange(peer.m_addrs_to_send.size())] = addr;
peer.m_addrs_to_send[m_rng.randrange(peer.m_addrs_to_send.size())] = addr;
} else {
peer.m_addrs_to_send.push_back(addr);
}
@ -1881,7 +1885,9 @@ std::unique_ptr<PeerManager> PeerManager::make(CConnman& connman, AddrMan& addrm
PeerManagerImpl::PeerManagerImpl(CConnman& connman, AddrMan& addrman,
BanMan* banman, ChainstateManager& chainman,
CTxMemPool& pool, Options opts)
: m_chainparams(chainman.GetParams()),
: m_rng{opts.deterministic_rng},
m_fee_filter_rounder{CFeeRate{DEFAULT_MIN_RELAY_TX_FEE}, m_rng},
m_chainparams(chainman.GetParams()),
m_connman(connman),
m_addrman(addrman),
m_banman(banman),
@ -2187,7 +2193,6 @@ void PeerManagerImpl::RelayAddress(NodeId originator,
const CSipHasher hasher{m_connman.GetDeterministicRandomizer(RANDOMIZER_ID_ADDRESS_RELAY)
.Write(hash_addr)
.Write(time_addr)};
FastRandomContext insecure_rand;
// Relay reachable addresses to 2 peers. Unreachable addresses are relayed randomly to 1 or 2 peers.
unsigned int nRelayNodes = (fReachable || (hasher.Finalize() & 1)) ? 2 : 1;
@ -2211,7 +2216,7 @@ void PeerManagerImpl::RelayAddress(NodeId originator,
};
for (unsigned int i = 0; i < nRelayNodes && best[i].first != 0; i++) {
PushAddress(*best[i].second, addr, insecure_rand);
PushAddress(*best[i].second, addr);
}
}
@ -3845,7 +3850,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
const bool rate_limited = !pfrom.HasPermission(NetPermissionFlags::Addr);
uint64_t num_proc = 0;
uint64_t num_rate_limit = 0;
Shuffle(vAddr.begin(), vAddr.end(), FastRandomContext());
Shuffle(vAddr.begin(), vAddr.end(), m_rng);
for (CAddress& addr : vAddr)
{
if (interruptMsgProc)
@ -4802,9 +4807,8 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
} else {
vAddr = m_connman.GetAddresses(pfrom, MAX_ADDR_TO_SEND, MAX_PCT_ADDR_TO_SEND);
}
FastRandomContext insecure_rand;
for (const CAddress &addr : vAddr) {
PushAddress(*peer, addr, insecure_rand);
PushAddress(*peer, addr);
}
return;
}
@ -5410,8 +5414,7 @@ void PeerManagerImpl::MaybeSendAddr(CNode& node, Peer& peer, std::chrono::micros
}
if (std::optional<CService> local_service = GetLocalAddrForPeer(node)) {
CAddress local_addr{*local_service, peer.m_our_services, Now<NodeSeconds>()};
FastRandomContext insecure_rand;
PushAddress(peer, local_addr, insecure_rand);
PushAddress(peer, local_addr);
}
peer.m_next_local_addr_send = GetExponentialRand(current_time, AVG_LOCAL_ADDRESS_BROADCAST_INTERVAL);
}
@ -5490,14 +5493,13 @@ void PeerManagerImpl::MaybeSendFeefilter(CNode& pto, Peer& peer, std::chrono::mi
if (pto.IsBlockOnlyConn()) return;
CAmount currentFilter = m_mempool.GetMinFee().GetFeePerK();
static FeeFilterRounder g_filter_rounder{CFeeRate{DEFAULT_MIN_RELAY_TX_FEE}};
if (m_chainman.IsInitialBlockDownload()) {
// Received tx-inv messages are discarded when the active
// chainstate is in IBD, so tell the peer to not send them.
currentFilter = MAX_MONEY;
} else {
static const CAmount MAX_FILTER{g_filter_rounder.round(MAX_MONEY)};
static const CAmount MAX_FILTER{m_fee_filter_rounder.round(MAX_MONEY)};
if (peer.m_fee_filter_sent == MAX_FILTER) {
// Send the current filter if we sent MAX_FILTER previously
// and made it out of IBD.
@ -5505,7 +5507,7 @@ void PeerManagerImpl::MaybeSendFeefilter(CNode& pto, Peer& peer, std::chrono::mi
}
}
if (current_time > peer.m_next_send_feefilter) {
CAmount filterToSend = g_filter_rounder.round(currentFilter);
CAmount filterToSend = m_fee_filter_rounder.round(currentFilter);
// We always have a fee filter of at least the min relay fee
filterToSend = std::max(filterToSend, m_mempool.m_min_relay_feerate.GetFeePerK());
if (filterToSend != peer.m_fee_filter_sent) {