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-rw-r--r--src/net_processing.cpp57
1 files changed, 37 insertions, 20 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index 80655c61e7..9f3aa5b4a3 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -10,6 +10,7 @@
#include <blockencodings.h>
#include <blockfilter.h>
#include <chainparams.h>
+#include <consensus/amount.h>
#include <consensus/validation.h>
#include <deploymentstatus.h>
#include <hash.h>
@@ -291,7 +292,7 @@ using PeerRef = std::shared_ptr<Peer>;
class PeerManagerImpl final : public PeerManager
{
public:
- PeerManagerImpl(const CChainParams& chainparams, CConnman& connman, CAddrMan& addrman,
+ PeerManagerImpl(const CChainParams& chainparams, CConnman& connman, AddrMan& addrman,
BanMan* banman, ChainstateManager& chainman,
CTxMemPool& pool, bool ignore_incoming_txs);
@@ -409,7 +410,7 @@ private:
const CChainParams& m_chainparams;
CConnman& m_connman;
- CAddrMan& m_addrman;
+ AddrMan& m_addrman;
/** Pointer to this node's banman. May be nullptr - check existence before dereferencing. */
BanMan* const m_banman;
ChainstateManager& m_chainman;
@@ -884,6 +885,12 @@ bool PeerManagerImpl::BlockRequested(NodeId nodeid, const CBlockIndex& block, st
void PeerManagerImpl::MaybeSetPeerAsAnnouncingHeaderAndIDs(NodeId nodeid)
{
AssertLockHeld(cs_main);
+
+ // Never request high-bandwidth mode from peers if we're blocks-only. Our
+ // mempool will not contain the transactions necessary to reconstruct the
+ // compact block.
+ if (m_ignore_incoming_txs) return;
+
CNodeState* nodestate = State(nodeid);
if (!nodestate || !nodestate->fSupportsDesiredCmpctVersion) {
// Never ask from peers who can't provide witnesses.
@@ -1300,7 +1307,7 @@ bool PeerManagerImpl::GetNodeStateStats(NodeId nodeid, CNodeStateStats& stats) c
void PeerManagerImpl::AddToCompactExtraTransactions(const CTransactionRef& tx)
{
- size_t max_extra_txn = gArgs.GetArg("-blockreconstructionextratxn", DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN);
+ size_t max_extra_txn = gArgs.GetIntArg("-blockreconstructionextratxn", DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN);
if (max_extra_txn <= 0)
return;
if (!vExtraTxnForCompact.size())
@@ -1419,14 +1426,14 @@ bool PeerManagerImpl::BlockRequestAllowed(const CBlockIndex* pindex)
(GetBlockProofEquivalentTime(*pindexBestHeader, *pindex, *pindexBestHeader, m_chainparams.GetConsensus()) < STALE_RELAY_AGE_LIMIT);
}
-std::unique_ptr<PeerManager> PeerManager::make(const CChainParams& chainparams, CConnman& connman, CAddrMan& addrman,
+std::unique_ptr<PeerManager> PeerManager::make(const CChainParams& chainparams, CConnman& connman, AddrMan& addrman,
BanMan* banman, ChainstateManager& chainman,
CTxMemPool& pool, bool ignore_incoming_txs)
{
return std::make_unique<PeerManagerImpl>(chainparams, connman, addrman, banman, chainman, pool, ignore_incoming_txs);
}
-PeerManagerImpl::PeerManagerImpl(const CChainParams& chainparams, CConnman& connman, CAddrMan& addrman,
+PeerManagerImpl::PeerManagerImpl(const CChainParams& chainparams, CConnman& connman, AddrMan& addrman,
BanMan* banman, ChainstateManager& chainman,
CTxMemPool& pool, bool ignore_incoming_txs)
: m_chainparams(chainparams),
@@ -2165,7 +2172,11 @@ void PeerManagerImpl::ProcessHeadersMessage(CNode& pfrom, const Peer& peer,
pindexLast->GetBlockHash().ToString(), pindexLast->nHeight);
}
if (vGetData.size() > 0) {
- if (nodestate->fSupportsDesiredCmpctVersion && vGetData.size() == 1 && mapBlocksInFlight.size() == 1 && pindexLast->pprev->IsValid(BLOCK_VALID_CHAIN)) {
+ if (!m_ignore_incoming_txs &&
+ nodestate->fSupportsDesiredCmpctVersion &&
+ vGetData.size() == 1 &&
+ mapBlocksInFlight.size() == 1 &&
+ pindexLast->pprev->IsValid(BLOCK_VALID_CHAIN)) {
// In any case, we want to download using a compact block, not a regular one
vGetData[0] = CInv(MSG_CMPCT_BLOCK, vGetData[0].hash);
}
@@ -2288,7 +2299,8 @@ void PeerManagerImpl::ProcessOrphanTx(std::set<uint256>& orphan_work_set)
break;
}
}
- m_mempool.check(m_chainman.ActiveChainstate());
+ CChainState& active_chainstate = m_chainman.ActiveChainstate();
+ m_mempool.check(active_chainstate.CoinsTip(), active_chainstate.m_chain.Height() + 1);
}
bool PeerManagerImpl::PrepareBlockFilterRequest(CNode& peer,
@@ -2653,7 +2665,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
// table is also potentially detrimental because new-table entries
// are subject to eviction in the event of addrman collisions. We
// mitigate the information-leak by never calling
- // CAddrMan::Connected() on block-relay-only peers; see
+ // AddrMan::Connected() on block-relay-only peers; see
// FinalizeNode().
//
// This moves an address from New to Tried table in Addrman,
@@ -2949,16 +2961,17 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
best_block = &inv.hash;
}
} else if (inv.IsGenTxMsg()) {
+ if (reject_tx_invs) {
+ LogPrint(BCLog::NET, "transaction (%s) inv sent in violation of protocol, disconnecting peer=%d\n", inv.hash.ToString(), pfrom.GetId());
+ pfrom.fDisconnect = true;
+ return;
+ }
const GenTxid gtxid = ToGenTxid(inv);
const bool fAlreadyHave = AlreadyHaveTx(gtxid);
LogPrint(BCLog::NET, "got inv: %s %s peer=%d\n", inv.ToString(), fAlreadyHave ? "have" : "new", pfrom.GetId());
pfrom.AddKnownTx(inv.hash);
- if (reject_tx_invs) {
- LogPrint(BCLog::NET, "transaction (%s) inv sent in violation of protocol, disconnecting peer=%d\n", inv.hash.ToString(), pfrom.GetId());
- pfrom.fDisconnect = true;
- return;
- } else if (!fAlreadyHave && !m_chainman.ActiveChainstate().IsInitialBlockDownload()) {
+ if (!fAlreadyHave && !m_chainman.ActiveChainstate().IsInitialBlockDownload()) {
AddTxAnnouncement(pfrom, gtxid, current_time);
}
} else {
@@ -3231,12 +3244,12 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
// already; and an adversary can already relay us old transactions
// (older than our recency filter) if trying to DoS us, without any need
// for witness malleation.
- if (AlreadyHaveTx(GenTxid(/* is_wtxid=*/true, wtxid))) {
+ if (AlreadyHaveTx(GenTxid::Wtxid(wtxid))) {
if (pfrom.HasPermission(NetPermissionFlags::ForceRelay)) {
// Always relay transactions received from peers with forcerelay
// permission, even if they were already in the mempool, allowing
// the node to function as a gateway for nodes hidden behind it.
- if (!m_mempool.exists(tx.GetHash())) {
+ if (!m_mempool.exists(GenTxid::Txid(tx.GetHash()))) {
LogPrintf("Not relaying non-mempool transaction %s from forcerelay peer=%d\n", tx.GetHash().ToString(), pfrom.GetId());
} else {
LogPrintf("Force relaying tx %s from peer=%d\n", tx.GetHash().ToString(), pfrom.GetId());
@@ -3250,7 +3263,8 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
const TxValidationState& state = result.m_state;
if (result.m_result_type == MempoolAcceptResult::ResultType::VALID) {
- m_mempool.check(m_chainman.ActiveChainstate());
+ CChainState& active_chainstate = m_chainman.ActiveChainstate();
+ m_mempool.check(active_chainstate.CoinsTip(), active_chainstate.m_chain.Height() + 1);
// As this version of the transaction was acceptable, we can forget about any
// requests for it.
m_txrequest.ForgetTxHash(tx.GetHash());
@@ -3301,7 +3315,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
// wtxidrelay peers.
// Eventually we should replace this with an improved
// protocol for getting all unconfirmed parents.
- const GenTxid gtxid{/* is_wtxid=*/false, parent_txid};
+ const auto gtxid{GenTxid::Txid(parent_txid)};
pfrom.AddKnownTx(parent_txid);
if (!AlreadyHaveTx(gtxid)) AddTxAnnouncement(pfrom, gtxid, current_time);
}
@@ -3315,7 +3329,7 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type,
m_txrequest.ForgetTxHash(tx.GetWitnessHash());
// DoS prevention: do not allow m_orphanage to grow unbounded (see CVE-2012-3789)
- unsigned int nMaxOrphanTx = (unsigned int)std::max((int64_t)0, gArgs.GetArg("-maxorphantx", DEFAULT_MAX_ORPHAN_TRANSACTIONS));
+ unsigned int nMaxOrphanTx = (unsigned int)std::max((int64_t)0, gArgs.GetIntArg("-maxorphantx", DEFAULT_MAX_ORPHAN_TRANSACTIONS));
unsigned int nEvicted = m_orphanage.LimitOrphans(nMaxOrphanTx);
if (nEvicted > 0) {
LogPrint(BCLog::MEMPOOL, "orphanage overflow, removed %u tx\n", nEvicted);
@@ -4301,8 +4315,11 @@ void PeerManagerImpl::CheckForStaleTipAndEvictPeers()
void PeerManagerImpl::MaybeSendPing(CNode& node_to, Peer& peer, std::chrono::microseconds now)
{
- if (m_connman.ShouldRunInactivityChecks(node_to) && peer.m_ping_nonce_sent &&
+ if (m_connman.ShouldRunInactivityChecks(node_to, std::chrono::duration_cast<std::chrono::seconds>(now).count()) &&
+ peer.m_ping_nonce_sent &&
now > peer.m_ping_start.load() + std::chrono::seconds{TIMEOUT_INTERVAL}) {
+ // The ping timeout is using mocktime. To disable the check during
+ // testing, increase -peertimeout.
LogPrint(BCLog::NET, "ping timeout: %fs peer=%d\n", 0.000001 * count_microseconds(now - peer.m_ping_start.load()), peer.m_id);
node_to.fDisconnect = true;
return;
@@ -4416,7 +4433,7 @@ void PeerManagerImpl::MaybeSendFeefilter(CNode& pto, std::chrono::microseconds c
// peers with the forcerelay permission should not filter txs to us
if (pto.HasPermission(NetPermissionFlags::ForceRelay)) return;
- CAmount currentFilter = m_mempool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFeePerK();
+ CAmount currentFilter = m_mempool.GetMinFee(gArgs.GetIntArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFeePerK();
static FeeFilterRounder g_filter_rounder{CFeeRate{DEFAULT_MIN_RELAY_TX_FEE}};
if (m_chainman.ActiveChainstate().IsInitialBlockDownload()) {