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trivial: move the headers limit determination to GetHeadersLimit()

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Kittywhiskers Van Gogh 2024-08-30 09:01:37 +00:00 committed by pasta
parent 993c7c0f90
commit bcf0320691
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1 changed files with 13 additions and 4 deletions
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17
src/net_processing.cpp
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@ -1038,6 +1038,15 @@ static bool IsLimitedPeer(const Peer& peer)
(peer.m_their_services & NODE_NETWORK_LIMITED));
}
/** Get maximum number of headers that can be included in one batch */
static uint16_t GetHeadersLimit(const CNode& pfrom)
{
if (pfrom.GetCommonVersion() >= INCREASE_MAX_HEADERS_VERSION) {
return MAX_HEADERS_RESULTS_NEW;
}
return MAX_HEADERS_RESULTS_OLD;
}
static void PushInv(Peer& peer, const CInv& inv)
{
// Dash always initializes m_tx_relay
@ -2952,7 +2961,7 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, Peer& peer,
}
// Consider fetching more headers.
if (nCount == (pfrom.GetCommonVersion() >= INCREASE_MAX_HEADERS_VERSION ? MAX_HEADERS_RESULTS_NEW : MAX_HEADERS_RESULTS_OLD)) {
if (nCount == GetHeadersLimit(pfrom)) {
std::string msg_type = UsesCompressedHeaders(peer) ? NetMsgType::GETHEADERS2 : NetMsgType::GETHEADERS;
// Headers message had its maximum size; the peer may have more headers.
if (MaybeSendGetHeaders(pfrom, msg_type, m_chainman.ActiveChain().GetLocator(pindexLast), peer)) {
@ -2961,7 +2970,7 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, Peer& peer,
}
}
UpdatePeerStateForReceivedHeaders(pfrom, pindexLast, received_new_header, nCount == (pfrom.GetCommonVersion() >= INCREASE_MAX_HEADERS_VERSION ? MAX_HEADERS_RESULTS_NEW : MAX_HEADERS_RESULTS_OLD));
UpdatePeerStateForReceivedHeaders(pfrom, pindexLast, received_new_header, nCount == GetHeadersLimit(pfrom));
// Consider immediately downloading blocks.
HeadersDirectFetchBlocks(pfrom, peer, pindexLast);
@ -4056,7 +4065,7 @@ void PeerManagerImpl::ProcessMessage(
}
const auto send_headers = [this /* for m_connman */, &hashStop, &pindex, &nodestate, &pfrom, &msgMaker](auto msg_type, auto& v_headers, auto callback) {
int nLimit = pfrom.GetCommonVersion() >= INCREASE_MAX_HEADERS_VERSION ? MAX_HEADERS_RESULTS_NEW : MAX_HEADERS_RESULTS_OLD;
int nLimit = GetHeadersLimit(pfrom);
for (; pindex; pindex = m_chainman.ActiveChain().Next(pindex)) {
v_headers.push_back(callback(pindex));
@ -4564,7 +4573,7 @@ void PeerManagerImpl::ProcessMessage(
// Bypass the normal CBlock deserialization, as we don't want to risk deserializing 2000 full blocks.
unsigned int nCount = ReadCompactSize(vRecv);
if (nCount > (pfrom.GetCommonVersion() >= INCREASE_MAX_HEADERS_VERSION ? MAX_HEADERS_RESULTS_NEW : MAX_HEADERS_RESULTS_OLD)) {
if (nCount > GetHeadersLimit(pfrom)) {
Misbehaving(pfrom.GetId(), 20, strprintf("headers message size = %u", nCount));
return;
}