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net_processing: Clean up INVENTORY_BROADCAST_MAX constants

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Anthony Towns
2023-05-16 19:34:09 +10:00
parent 6fa49937e4
commit 1a118062fb
1 changed files with 8 additions and 4 deletions
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12
src/net_processing.cpp
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@@ -147,8 +147,12 @@ static constexpr auto OUTBOUND_INVENTORY_BROADCAST_INTERVAL{2s};
/** Maximum rate of inventory items to send per second.
* Limits the impact of low-fee transaction floods. */
static constexpr unsigned int INVENTORY_BROADCAST_PER_SECOND = 7;
/** Target number of tx inventory items to send per transmission. */
static constexpr unsigned int INVENTORY_BROADCAST_TARGET = INVENTORY_BROADCAST_PER_SECOND * count_seconds(INBOUND_INVENTORY_BROADCAST_INTERVAL);
/** Maximum number of inventory items to send per transmission. */
static constexpr unsigned int INVENTORY_BROADCAST_MAX = INVENTORY_BROADCAST_PER_SECOND * count_seconds(INBOUND_INVENTORY_BROADCAST_INTERVAL);
static constexpr unsigned int INVENTORY_BROADCAST_MAX = 1000;
static_assert(INVENTORY_BROADCAST_MAX >= INVENTORY_BROADCAST_TARGET, "INVENTORY_BROADCAST_MAX too low");
static_assert(INVENTORY_BROADCAST_MAX <= MAX_PEER_TX_ANNOUNCEMENTS, "INVENTORY_BROADCAST_MAX too high");
/** Average delay between feefilter broadcasts in seconds. */
static constexpr auto AVG_FEEFILTER_BROADCAST_INTERVAL{10min};
/** Maximum feefilter broadcast delay after significant change. */
@@ -5630,7 +5634,7 @@ bool PeerManagerImpl::SendMessages(CNode* pto)
std::vector<CInv> vInv;
{
LOCK(peer->m_block_inv_mutex);
vInv.reserve(std::max<size_t>(peer->m_blocks_for_inv_relay.size(), INVENTORY_BROADCAST_MAX));
vInv.reserve(std::max<size_t>(peer->m_blocks_for_inv_relay.size(), INVENTORY_BROADCAST_TARGET));
// Add blocks
for (const uint256& hash : peer->m_blocks_for_inv_relay) {
@@ -5707,8 +5711,8 @@ bool PeerManagerImpl::SendMessages(CNode* pto)
// especially since we have many peers and some will draw much shorter delays.
unsigned int nRelayedTransactions = 0;
LOCK(tx_relay->m_bloom_filter_mutex);
size_t broadcast_max{INVENTORY_BROADCAST_MAX + (tx_relay->m_tx_inventory_to_send.size()/1000)*5};
broadcast_max = std::min<size_t>(1000, broadcast_max);
size_t broadcast_max{INVENTORY_BROADCAST_TARGET + (tx_relay->m_tx_inventory_to_send.size()/1000)*5};
broadcast_max = std::min<size_t>(INVENTORY_BROADCAST_MAX, broadcast_max);
while (!vInvTx.empty() && nRelayedTransactions < broadcast_max) {
// Fetch the top element from the heap
std::pop_heap(vInvTx.begin(), vInvTx.end(), compareInvMempoolOrder);