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refactor: Remove mempool global from net

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This refactor does two things:
* Pass mempool in to PeerLogicValidation
* Pass m_mempool around where needed
This commit is contained in:
MarcoFalke 2020-01-24 14:00:57 -05:00
parent 309b0c4c19
commit fa7fea3654
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GPG key ID: CE2B75697E69A548
6 changed files with 49 additions and 44 deletions
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11
src/init.cpp
View file

@ -1329,8 +1329,12 @@ bool AppInitMain(NodeContext& node)
node.banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", &uiInterface, gArgs.GetArg("-bantime", DEFAULT_MISBEHAVING_BANTIME));
assert(!node.connman);
node.connman = std::unique_ptr<CConnman>(new CConnman(GetRand(std::numeric_limits<uint64_t>::max()), GetRand(std::numeric_limits<uint64_t>::max())));
// Make mempool generally available in the node context. For example the connection manager, wallet, or RPC threads,
// which are all started after this, may use it from the node context.
assert(!node.mempool);
node.mempool = &::mempool;
node.peer_logic.reset(new PeerLogicValidation(node.connman.get(), node.banman.get(), *node.scheduler));
node.peer_logic.reset(new PeerLogicValidation(node.connman.get(), node.banman.get(), *node.scheduler, *node.mempool));
RegisterValidationInterface(node.peer_logic.get());
// sanitize comments per BIP-0014, format user agent and check total size
@ -1678,11 +1682,6 @@ bool AppInitMain(NodeContext& node)
return false;
}
// Now that the chain state is loaded, make mempool generally available in the node context. For example the
// connection manager, wallet, or RPC threads, which are all started after this, may use it from the node context.
assert(!node.mempool);
node.mempool = &::mempool;
fs::path est_path = GetDataDir() / FEE_ESTIMATES_FILENAME;
CAutoFile est_filein(fsbridge::fopen(est_path, "rb"), SER_DISK, CLIENT_VERSION);
// Allowed to fail as this file IS missing on first startup.

57
src/net_processing.cpp
View file

@ -465,7 +465,7 @@ static bool MarkBlockAsReceived(const uint256& hash) EXCLUSIVE_LOCKS_REQUIRED(cs
// returns false, still setting pit, if the block was already in flight from the same peer
// pit will only be valid as long as the same cs_main lock is being held
static bool MarkBlockAsInFlight(NodeId nodeid, const uint256& hash, const CBlockIndex* pindex = nullptr, std::list<QueuedBlock>::iterator** pit = nullptr) EXCLUSIVE_LOCKS_REQUIRED(cs_main) {
static bool MarkBlockAsInFlight(CTxMemPool& mempool, NodeId nodeid, const uint256& hash, const CBlockIndex* pindex = nullptr, std::list<QueuedBlock>::iterator** pit = nullptr) EXCLUSIVE_LOCKS_REQUIRED(cs_main) {
CNodeState *state = State(nodeid);
assert(state != nullptr);
@ -1102,8 +1102,11 @@ static bool BlockRequestAllowed(const CBlockIndex* pindex, const Consensus::Para
(GetBlockProofEquivalentTime(*pindexBestHeader, *pindex, *pindexBestHeader, consensusParams) < STALE_RELAY_AGE_LIMIT);
}
PeerLogicValidation::PeerLogicValidation(CConnman* connmanIn, BanMan* banman, CScheduler& scheduler)
: connman(connmanIn), m_banman(banman), m_stale_tip_check_time(0)
PeerLogicValidation::PeerLogicValidation(CConnman* connmanIn, BanMan* banman, CScheduler& scheduler, CTxMemPool& pool)
: connman(connmanIn),
m_banman(banman),
m_mempool(pool),
m_stale_tip_check_time(0)
{
// Initialize global variables that cannot be constructed at startup.
recentRejects.reset(new CRollingBloomFilter(120000, 0.000001));
@ -1314,7 +1317,7 @@ void PeerLogicValidation::BlockChecked(const CBlock& block, const BlockValidatio
//
bool static AlreadyHave(const CInv& inv) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
bool static AlreadyHave(const CInv& inv, const CTxMemPool& mempool) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
{
switch (inv.type)
{
@ -1553,7 +1556,7 @@ void static ProcessGetBlockData(CNode* pfrom, const CChainParams& chainparams, c
}
}
void static ProcessGetData(CNode* pfrom, const CChainParams& chainparams, CConnman* connman, const std::atomic<bool>& interruptMsgProc) LOCKS_EXCLUDED(cs_main)
void static ProcessGetData(CNode* pfrom, const CChainParams& chainparams, CConnman* connman, const CTxMemPool& mempool, const std::atomic<bool>& interruptMsgProc) LOCKS_EXCLUDED(cs_main)
{
AssertLockNotHeld(cs_main);
@ -1666,7 +1669,7 @@ inline void static SendBlockTransactions(const CBlock& block, const BlockTransac
connman->PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCKTXN, resp));
}
bool static ProcessHeadersMessage(CNode *pfrom, CConnman *connman, const std::vector<CBlockHeader>& headers, const CChainParams& chainparams, bool via_compact_block)
bool static ProcessHeadersMessage(CNode* pfrom, CConnman* connman, CTxMemPool& mempool, const std::vector<CBlockHeader>& headers, const CChainParams& chainparams, bool via_compact_block)
{
const CNetMsgMaker msgMaker(pfrom->GetSendVersion());
size_t nCount = headers.size();
@ -1794,7 +1797,7 @@ bool static ProcessHeadersMessage(CNode *pfrom, CConnman *connman, const std::ve
}
uint32_t nFetchFlags = GetFetchFlags(pfrom);
vGetData.push_back(CInv(MSG_BLOCK | nFetchFlags, pindex->GetBlockHash()));
MarkBlockAsInFlight(pfrom->GetId(), pindex->GetBlockHash(), pindex);
MarkBlockAsInFlight(mempool, pfrom->GetId(), pindex->GetBlockHash(), pindex);
LogPrint(BCLog::NET, "Requesting block %s from peer=%d\n",
pindex->GetBlockHash().ToString(), pfrom->GetId());
}
@ -1848,7 +1851,7 @@ bool static ProcessHeadersMessage(CNode *pfrom, CConnman *connman, const std::ve
return true;
}
void static ProcessOrphanTx(CConnman* connman, std::set<uint256>& orphan_work_set, std::list<CTransactionRef>& removed_txn) EXCLUSIVE_LOCKS_REQUIRED(cs_main, g_cs_orphans)
void static ProcessOrphanTx(CConnman* connman, CTxMemPool& mempool, std::set<uint256>& orphan_work_set, std::list<CTransactionRef>& removed_txn) EXCLUSIVE_LOCKS_REQUIRED(cs_main, g_cs_orphans)
{
AssertLockHeld(cs_main);
AssertLockHeld(g_cs_orphans);
@ -1908,7 +1911,7 @@ void static ProcessOrphanTx(CConnman* connman, std::set<uint256>& orphan_work_se
}
}
bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, int64_t nTimeReceived, const CChainParams& chainparams, CConnman* connman, BanMan* banman, const std::atomic<bool>& interruptMsgProc)
bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, int64_t nTimeReceived, const CChainParams& chainparams, CTxMemPool& mempool, CConnman* connman, BanMan* banman, const std::atomic<bool>& interruptMsgProc)
{
LogPrint(BCLog::NET, "received: %s (%u bytes) peer=%d\n", SanitizeString(strCommand), vRecv.size(), pfrom->GetId());
if (gArgs.IsArgSet("-dropmessagestest") && GetRand(gArgs.GetArg("-dropmessagestest", 0)) == 0)
@ -2260,7 +2263,7 @@ bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vR
if (interruptMsgProc)
return true;
bool fAlreadyHave = AlreadyHave(inv);
bool fAlreadyHave = AlreadyHave(inv, mempool);
LogPrint(BCLog::NET, "got inv: %s %s peer=%d\n", inv.ToString(), fAlreadyHave ? "have" : "new", pfrom->GetId());
if (inv.type == MSG_TX) {
@ -2311,7 +2314,7 @@ bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vR
}
pfrom->vRecvGetData.insert(pfrom->vRecvGetData.end(), vInv.begin(), vInv.end());
ProcessGetData(pfrom, chainparams, connman, interruptMsgProc);
ProcessGetData(pfrom, chainparams, connman, mempool, interruptMsgProc);
return true;
}
@ -2528,7 +2531,7 @@ bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vR
std::list<CTransactionRef> lRemovedTxn;
if (!AlreadyHave(inv) &&
if (!AlreadyHave(inv, mempool) &&
AcceptToMemoryPool(mempool, state, ptx, &lRemovedTxn, false /* bypass_limits */, 0 /* nAbsurdFee */)) {
mempool.check(&::ChainstateActive().CoinsTip());
RelayTransaction(tx.GetHash(), *connman);
@ -2549,7 +2552,7 @@ bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vR
mempool.size(), mempool.DynamicMemoryUsage() / 1000);
// Recursively process any orphan transactions that depended on this one
ProcessOrphanTx(connman, pfrom->orphan_work_set, lRemovedTxn);
ProcessOrphanTx(connman, mempool, pfrom->orphan_work_set, lRemovedTxn);
}
else if (state.GetResult() == TxValidationResult::TX_MISSING_INPUTS)
{
@ -2567,7 +2570,7 @@ bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vR
for (const CTxIn& txin : tx.vin) {
CInv _inv(MSG_TX | nFetchFlags, txin.prevout.hash);
pfrom->AddInventoryKnown(_inv);
if (!AlreadyHave(_inv)) RequestTx(State(pfrom->GetId()), _inv.hash, current_time);
if (!AlreadyHave(_inv, mempool)) RequestTx(State(pfrom->GetId()), _inv.hash, current_time);
}
AddOrphanTx(ptx, pfrom->GetId());
@ -2742,7 +2745,7 @@ bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vR
if ((!fAlreadyInFlight && nodestate->nBlocksInFlight < MAX_BLOCKS_IN_TRANSIT_PER_PEER) ||
(fAlreadyInFlight && blockInFlightIt->second.first == pfrom->GetId())) {
std::list<QueuedBlock>::iterator* queuedBlockIt = nullptr;
if (!MarkBlockAsInFlight(pfrom->GetId(), pindex->GetBlockHash(), pindex, &queuedBlockIt)) {
if (!MarkBlockAsInFlight(mempool, pfrom->GetId(), pindex->GetBlockHash(), pindex, &queuedBlockIt)) {
if (!(*queuedBlockIt)->partialBlock)
(*queuedBlockIt)->partialBlock.reset(new PartiallyDownloadedBlock(&mempool));
else {
@ -2815,7 +2818,7 @@ bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vR
} // cs_main
if (fProcessBLOCKTXN)
return ProcessMessage(pfrom, NetMsgType::BLOCKTXN, blockTxnMsg, nTimeReceived, chainparams, connman, banman, interruptMsgProc);
return ProcessMessage(pfrom, NetMsgType::BLOCKTXN, blockTxnMsg, nTimeReceived, chainparams, mempool, connman, banman, interruptMsgProc);
if (fRevertToHeaderProcessing) {
// Headers received from HB compact block peers are permitted to be
@ -2823,7 +2826,7 @@ bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vR
// the peer if the header turns out to be for an invalid block.
// Note that if a peer tries to build on an invalid chain, that
// will be detected and the peer will be banned.
return ProcessHeadersMessage(pfrom, connman, {cmpctblock.header}, chainparams, /*via_compact_block=*/true);
return ProcessHeadersMessage(pfrom, connman, mempool, {cmpctblock.header}, chainparams, /*via_compact_block=*/true);
}
if (fBlockReconstructed) {
@ -2967,7 +2970,7 @@ bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vR
ReadCompactSize(vRecv); // ignore tx count; assume it is 0.
}
return ProcessHeadersMessage(pfrom, connman, headers, chainparams, /*via_compact_block=*/false);
return ProcessHeadersMessage(pfrom, connman, mempool, headers, chainparams, /*via_compact_block=*/false);
}
if (strCommand == NetMsgType::BLOCK)
@ -3285,12 +3288,12 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter
bool fMoreWork = false;
if (!pfrom->vRecvGetData.empty())
ProcessGetData(pfrom, chainparams, connman, interruptMsgProc);
ProcessGetData(pfrom, chainparams, connman, m_mempool, interruptMsgProc);
if (!pfrom->orphan_work_set.empty()) {
std::list<CTransactionRef> removed_txn;
LOCK2(cs_main, g_cs_orphans);
ProcessOrphanTx(connman, pfrom->orphan_work_set, removed_txn);
ProcessOrphanTx(connman, m_mempool, pfrom->orphan_work_set, removed_txn);
for (const CTransactionRef& removedTx : removed_txn) {
AddToCompactExtraTransactions(removedTx);
}
@ -3353,7 +3356,7 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter
bool fRet = false;
try
{
fRet = ProcessMessage(pfrom, strCommand, vRecv, msg.m_time, chainparams, connman, m_banman, interruptMsgProc);
fRet = ProcessMessage(pfrom, strCommand, vRecv, msg.m_time, chainparams, m_mempool, connman, m_banman, interruptMsgProc);
if (interruptMsgProc)
return false;
if (!pfrom->vRecvGetData.empty())
@ -3819,7 +3822,7 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
// Respond to BIP35 mempool requests
if (fSendTrickle && pto->m_tx_relay->fSendMempool) {
auto vtxinfo = mempool.infoAll();
auto vtxinfo = m_mempool.infoAll();
pto->m_tx_relay->fSendMempool = false;
CFeeRate filterrate;
{
@ -3865,7 +3868,7 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
}
// Topologically and fee-rate sort the inventory we send for privacy and priority reasons.
// A heap is used so that not all items need sorting if only a few are being sent.
CompareInvMempoolOrder compareInvMempoolOrder(&mempool);
CompareInvMempoolOrder compareInvMempoolOrder(&m_mempool);
std::make_heap(vInvTx.begin(), vInvTx.end(), compareInvMempoolOrder);
// No reason to drain out at many times the network's capacity,
// especially since we have many peers and some will draw much shorter delays.
@ -3884,7 +3887,7 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
continue;
}
// Not in the mempool anymore? don't bother sending it.
auto txinfo = mempool.info(hash);
auto txinfo = m_mempool.info(hash);
if (!txinfo.tx) {
continue;
}
@ -3996,7 +3999,7 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
for (const CBlockIndex *pindex : vToDownload) {
uint32_t nFetchFlags = GetFetchFlags(pto);
vGetData.push_back(CInv(MSG_BLOCK | nFetchFlags, pindex->GetBlockHash()));
MarkBlockAsInFlight(pto->GetId(), pindex->GetBlockHash(), pindex);
MarkBlockAsInFlight(m_mempool, pto->GetId(), pindex->GetBlockHash(), pindex);
LogPrint(BCLog::NET, "Requesting block %s (%d) peer=%d\n", pindex->GetBlockHash().ToString(),
pindex->nHeight, pto->GetId());
}
@ -4039,7 +4042,7 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
// processing at a later time, see below)
tx_process_time.erase(tx_process_time.begin());
CInv inv(MSG_TX | GetFetchFlags(pto), txid);
if (!AlreadyHave(inv)) {
if (!AlreadyHave(inv, m_mempool)) {
// If this transaction was last requested more than 1 minute ago,
// then request.
const auto last_request_time = GetTxRequestTime(inv.hash);
@ -4077,7 +4080,7 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
// We don't want white listed peers to filter txs to us if we have -whitelistforcerelay
if (pto->m_tx_relay != nullptr && pto->nVersion >= FEEFILTER_VERSION && gArgs.GetBoolArg("-feefilter", DEFAULT_FEEFILTER) &&
!pto->HasPermission(PF_FORCERELAY)) {
CAmount currentFilter = mempool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFeePerK();
CAmount currentFilter = m_mempool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFeePerK();
int64_t timeNow = GetTimeMicros();
if (timeNow > pto->m_tx_relay->nextSendTimeFeeFilter) {
static CFeeRate default_feerate(DEFAULT_MIN_RELAY_TX_FEE);

9
src/net_processing.h
View file

@ -6,10 +6,12 @@
#ifndef BITCOIN_NET_PROCESSING_H
#define BITCOIN_NET_PROCESSING_H
#include <net.h>
#include <validationinterface.h>
#include <consensus/params.h>
#include <net.h>
#include <sync.h>
#include <validationinterface.h>
class CTxMemPool;
extern RecursiveMutex cs_main;
@ -23,11 +25,12 @@ class PeerLogicValidation final : public CValidationInterface, public NetEventsI
private:
CConnman* const connman;
BanMan* const m_banman;
CTxMemPool& m_mempool;
bool CheckIfBanned(CNode* pnode) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
public:
PeerLogicValidation(CConnman* connman, BanMan* banman, CScheduler& scheduler);
PeerLogicValidation(CConnman* connman, BanMan* banman, CScheduler& scheduler, CTxMemPool& pool);
/**
* Overridden from CValidationInterface.

10
src/test/denialofservice_tests.cpp
View file

@ -78,7 +78,7 @@ BOOST_FIXTURE_TEST_SUITE(denialofservice_tests, TestingSetup)
BOOST_AUTO_TEST_CASE(outbound_slow_chain_eviction)
{
auto connman = MakeUnique<CConnman>(0x1337, 0x1337);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), nullptr, *m_node.scheduler);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), nullptr, *m_node.scheduler, *m_node.mempool);
// Mock an outbound peer
CAddress addr1(ip(0xa0b0c001), NODE_NONE);
@ -148,7 +148,7 @@ static void AddRandomOutboundPeer(std::vector<CNode *> &vNodes, PeerLogicValidat
BOOST_AUTO_TEST_CASE(stale_tip_peer_management)
{
auto connman = MakeUnique<CConnmanTest>(0x1337, 0x1337);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), nullptr, *m_node.scheduler);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), nullptr, *m_node.scheduler, *m_node.mempool);
const Consensus::Params& consensusParams = Params().GetConsensus();
constexpr int max_outbound_full_relay = 8;
@ -221,7 +221,7 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
{
auto banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
auto connman = MakeUnique<CConnman>(0x1337, 0x1337);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), banman.get(), *m_node.scheduler);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), banman.get(), *m_node.scheduler, *m_node.mempool);
banman->ClearBanned();
CAddress addr1(ip(0xa0b0c001), NODE_NONE);
@ -276,7 +276,7 @@ BOOST_AUTO_TEST_CASE(DoS_banscore)
{
auto banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
auto connman = MakeUnique<CConnman>(0x1337, 0x1337);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), banman.get(), *m_node.scheduler);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), banman.get(), *m_node.scheduler, *m_node.mempool);
banman->ClearBanned();
gArgs.ForceSetArg("-banscore", "111"); // because 11 is my favorite number
@ -323,7 +323,7 @@ BOOST_AUTO_TEST_CASE(DoS_bantime)
{
auto banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
auto connman = MakeUnique<CConnman>(0x1337, 0x1337);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), banman.get(), *m_node.scheduler);
auto peerLogic = MakeUnique<PeerLogicValidation>(connman.get(), banman.get(), *m_node.scheduler, *m_node.mempool);
banman->ClearBanned();
int64_t nStartTime = GetTime();

4
src/test/fuzz/process_message.cpp
View file

@ -32,7 +32,7 @@
#include <string>
#include <vector>
bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, int64_t nTimeReceived, const CChainParams& chainparams, CConnman* connman, BanMan* banman, const std::atomic<bool>& interruptMsgProc);
bool ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, int64_t nTimeReceived, const CChainParams& chainparams, CTxMemPool& mempool, CConnman* connman, BanMan* banman, const std::atomic<bool>& interruptMsgProc);
namespace {
@ -85,7 +85,7 @@ void test_one_input(const std::vector<uint8_t>& buffer)
p2p_node.SetSendVersion(PROTOCOL_VERSION);
g_setup->m_node.peer_logic->InitializeNode(&p2p_node);
try {
(void)ProcessMessage(&p2p_node, random_message_type, random_bytes_data_stream, GetTimeMillis(), Params(), g_setup->m_node.connman.get(), g_setup->m_node.banman.get(), std::atomic<bool>{false});
(void)ProcessMessage(&p2p_node, random_message_type, random_bytes_data_stream, GetTimeMillis(), Params(), *g_setup->m_node.mempool, g_setup->m_node.connman.get(), g_setup->m_node.banman.get(), std::atomic<bool>{false});
} catch (const std::ios_base::failure& e) {
const std::string exception_message{e.what()};
const auto p = EXPECTED_DESERIALIZATION_EXCEPTIONS.find(exception_message);

2
src/test/util/setup_common.cpp
View file

@ -137,7 +137,7 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha
m_node.mempool->setSanityCheck(1.0);
m_node.banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
m_node.connman = MakeUnique<CConnman>(0x1337, 0x1337); // Deterministic randomness for tests.
m_node.peer_logic = MakeUnique<PeerLogicValidation>(m_node.connman.get(), m_node.banman.get(), *m_node.scheduler);
m_node.peer_logic = MakeUnique<PeerLogicValidation>(m_node.connman.get(), m_node.banman.get(), *m_node.scheduler, *m_node.mempool);
}
TestingSetup::~TestingSetup()