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-rw-r--r--src/net_processing.cpp270
1 files changed, 154 insertions, 116 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index cf4aee064..50a8a8a88 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -26,7 +26,6 @@
#include <txmempool.h>
#include <util/system.h>
#include <util/strencodings.h>
-#include <util/validation.h>
#include <memory>
#include <typeinfo>
@@ -65,6 +64,12 @@ static constexpr int STALE_RELAY_AGE_LIMIT = 30 * 24 * 60 * 60;
/// Age after which a block is considered historical for purposes of rate
/// limiting block relay. Set to one week, denominated in seconds.
static constexpr int HISTORICAL_BLOCK_AGE = 7 * 24 * 60 * 60;
+/** Time between pings automatically sent out for latency probing and keepalive (in seconds). */
+static const int PING_INTERVAL = 2 * 60;
+/** The maximum number of entries in a locator */
+static const unsigned int MAX_LOCATOR_SZ = 101;
+/** The maximum number of entries in an 'inv' protocol message */
+static const unsigned int MAX_INV_SZ = 50000;
/** Maximum number of in-flight transactions from a peer */
static constexpr int32_t MAX_PEER_TX_IN_FLIGHT = 100;
/** Maximum number of announced transactions from a peer */
@@ -81,7 +86,47 @@ static_assert(INBOUND_PEER_TX_DELAY >= MAX_GETDATA_RANDOM_DELAY,
"To preserve security, MAX_GETDATA_RANDOM_DELAY should not exceed INBOUND_PEER_DELAY");
/** Limit to avoid sending big packets. Not used in processing incoming GETDATA for compatibility */
static const unsigned int MAX_GETDATA_SZ = 1000;
-
+/** Number of blocks that can be requested at any given time from a single peer. */
+static const int MAX_BLOCKS_IN_TRANSIT_PER_PEER = 16;
+/** Timeout in seconds during which a peer must stall block download progress before being disconnected. */
+static const unsigned int BLOCK_STALLING_TIMEOUT = 2;
+/** Number of headers sent in one getheaders result. We rely on the assumption that if a peer sends
+ * less than this number, we reached its tip. Changing this value is a protocol upgrade. */
+static const unsigned int MAX_HEADERS_RESULTS = 2000;
+/** Maximum depth of blocks we're willing to serve as compact blocks to peers
+ * when requested. For older blocks, a regular BLOCK response will be sent. */
+static const int MAX_CMPCTBLOCK_DEPTH = 5;
+/** Maximum depth of blocks we're willing to respond to GETBLOCKTXN requests for. */
+static const int MAX_BLOCKTXN_DEPTH = 10;
+/** Size of the "block download window": how far ahead of our current height do we fetch?
+ * Larger windows tolerate larger download speed differences between peer, but increase the potential
+ * degree of disordering of blocks on disk (which make reindexing and pruning harder). We'll probably
+ * want to make this a per-peer adaptive value at some point. */
+static const unsigned int BLOCK_DOWNLOAD_WINDOW = 1024;
+/** Block download timeout base, expressed in millionths of the block interval (i.e. 10 min) */
+static const int64_t BLOCK_DOWNLOAD_TIMEOUT_BASE = 1000000;
+/** Additional block download timeout per parallel downloading peer (i.e. 5 min) */
+static const int64_t BLOCK_DOWNLOAD_TIMEOUT_PER_PEER = 500000;
+/** Maximum number of headers to announce when relaying blocks with headers message.*/
+static const unsigned int MAX_BLOCKS_TO_ANNOUNCE = 8;
+/** Maximum number of unconnecting headers announcements before DoS score */
+static const int MAX_UNCONNECTING_HEADERS = 10;
+/** Minimum blocks required to signal NODE_NETWORK_LIMITED */
+static const unsigned int NODE_NETWORK_LIMITED_MIN_BLOCKS = 288;
+/** Average delay between local address broadcasts */
+static constexpr std::chrono::hours AVG_LOCAL_ADDRESS_BROADCAST_INTERVAL{24};
+/** Average delay between peer address broadcasts */
+static constexpr std::chrono::seconds AVG_ADDRESS_BROADCAST_INTERVAL{30};
+/** Average delay between trickled inventory transmissions in seconds.
+ * Blocks and whitelisted receivers bypass this, outbound peers get half this delay. */
+static const unsigned int INVENTORY_BROADCAST_INTERVAL = 5;
+/** Maximum number of inventory items to send per transmission.
+ * Limits the impact of low-fee transaction floods. */
+static constexpr unsigned int INVENTORY_BROADCAST_MAX = 7 * INVENTORY_BROADCAST_INTERVAL;
+/** Average delay between feefilter broadcasts in seconds. */
+static constexpr unsigned int AVG_FEEFILTER_BROADCAST_INTERVAL = 10 * 60;
+/** Maximum feefilter broadcast delay after significant change. */
+static constexpr unsigned int MAX_FEEFILTER_CHANGE_DELAY = 5 * 60;
struct COrphanTx {
// When modifying, adapt the copy of this definition in tests/DoS_tests.
@@ -98,21 +143,6 @@ void EraseOrphansFor(NodeId peer);
/** Increase a node's misbehavior score. */
void Misbehaving(NodeId nodeid, int howmuch, const std::string& message="") EXCLUSIVE_LOCKS_REQUIRED(cs_main);
-/** Average delay between local address broadcasts in seconds. */
-static constexpr unsigned int AVG_LOCAL_ADDRESS_BROADCAST_INTERVAL = 24 * 60 * 60;
-/** Average delay between peer address broadcasts in seconds. */
-static const unsigned int AVG_ADDRESS_BROADCAST_INTERVAL = 30;
-/** Average delay between trickled inventory transmissions in seconds.
- * Blocks and whitelisted receivers bypass this, outbound peers get half this delay. */
-static const unsigned int INVENTORY_BROADCAST_INTERVAL = 5;
-/** Maximum number of inventory items to send per transmission.
- * Limits the impact of low-fee transaction floods. */
-static constexpr unsigned int INVENTORY_BROADCAST_MAX = 7 * INVENTORY_BROADCAST_INTERVAL;
-/** Average delay between feefilter broadcasts in seconds. */
-static constexpr unsigned int AVG_FEEFILTER_BROADCAST_INTERVAL = 10 * 60;
-/** Maximum feefilter broadcast delay after significant change. */
-static constexpr unsigned int MAX_FEEFILTER_CHANGE_DELAY = 5 * 60;
-
// Internal stuff
namespace {
/** Number of nodes with fSyncStarted. */
@@ -466,7 +496,7 @@ 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);
@@ -780,6 +810,19 @@ void PeerLogicValidation::InitializeNode(CNode *pnode) {
PushNodeVersion(pnode, connman, GetTime());
}
+void PeerLogicValidation::ReattemptInitialBroadcast(CScheduler& scheduler) const
+{
+ std::set<uint256> unbroadcast_txids = m_mempool.GetUnbroadcastTxs();
+
+ for (const uint256& txid : unbroadcast_txids) {
+ RelayTransaction(txid, *connman);
+ }
+
+ // schedule next run for 10-15 minutes in the future
+ const std::chrono::milliseconds delta = std::chrono::minutes{10} + GetRandMillis(std::chrono::minutes{5});
+ scheduler.scheduleFromNow([&] { ReattemptInitialBroadcast(scheduler); }, delta);
+}
+
void PeerLogicValidation::FinalizeNode(NodeId nodeid, bool& fUpdateConnectionTime) {
fUpdateConnectionTime = false;
LOCK(cs_main);
@@ -987,15 +1030,6 @@ void Misbehaving(NodeId pnode, int howmuch, const std::string& message) EXCLUSIV
}
/**
- * Returns true if the given validation state result may result in a peer
- * banning/disconnecting us. We use this to determine which unaccepted
- * transactions from a whitelisted peer that we can safely relay.
- */
-static bool TxRelayMayResultInDisconnect(const TxValidationState& state) {
- return state.GetResult() == TxValidationResult::TX_CONSENSUS;
-}
-
-/**
* Potentially ban a node based on the contents of a BlockValidationState object
*
* @param[in] via_compact_block this bool is passed in because net_processing should
@@ -1064,10 +1098,9 @@ static bool MaybePunishNodeForBlock(NodeId nodeid, const BlockValidationState& s
* Potentially ban a node based on the contents of a TxValidationState object
*
* @return Returns true if the peer was punished (probably disconnected)
- *
- * Changes here may need to be reflected in TxRelayMayResultInDisconnect().
*/
-static bool MaybePunishNodeForTx(NodeId nodeid, const TxValidationState& state, const std::string& message = "") {
+static bool MaybePunishNodeForTx(NodeId nodeid, const TxValidationState& state, const std::string& message = "")
+{
switch (state.GetResult()) {
case TxValidationResult::TX_RESULT_UNSET:
break;
@@ -1095,11 +1128,6 @@ static bool MaybePunishNodeForTx(NodeId nodeid, const TxValidationState& state,
}
-
-
-
-
-
//////////////////////////////////////////////////////////////////////////////
//
// blockchain -> download logic notification
@@ -1118,8 +1146,11 @@ 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));
@@ -1140,14 +1171,18 @@ PeerLogicValidation::PeerLogicValidation(CConnman* connmanIn, BanMan* banman, CS
// combine them in one function and schedule at the quicker (peer-eviction)
// timer.
static_assert(EXTRA_PEER_CHECK_INTERVAL < STALE_CHECK_INTERVAL, "peer eviction timer should be less than stale tip check timer");
- scheduler.scheduleEvery(std::bind(&PeerLogicValidation::CheckForStaleTipAndEvictPeers, this, consensusParams), EXTRA_PEER_CHECK_INTERVAL * 1000);
+ scheduler.scheduleEvery([this, consensusParams] { this->CheckForStaleTipAndEvictPeers(consensusParams); }, std::chrono::seconds{EXTRA_PEER_CHECK_INTERVAL});
+
+ // schedule next run for 10-15 minutes in the future
+ const std::chrono::milliseconds delta = std::chrono::minutes{10} + GetRandMillis(std::chrono::minutes{5});
+ scheduler.scheduleFromNow([&] { ReattemptInitialBroadcast(scheduler); }, delta);
}
/**
* Evict orphan txn pool entries (EraseOrphanTx) based on a newly connected
* block. Also save the time of the last tip update.
*/
-void PeerLogicValidation::BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindex, const std::vector<CTransactionRef>& vtxConflicted)
+void PeerLogicValidation::BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindex)
{
{
LOCK(g_cs_orphans);
@@ -1330,7 +1365,7 @@ 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)
{
@@ -1378,7 +1413,7 @@ void RelayTransaction(const uint256& txid, const CConnman& connman)
});
}
-static void RelayAddress(const CAddress& addr, bool fReachable, CConnman* connman)
+static void RelayAddress(const CAddress& addr, bool fReachable, const CConnman& connman)
{
unsigned int nRelayNodes = fReachable ? 2 : 1; // limited relaying of addresses outside our network(s)
@@ -1386,7 +1421,7 @@ static void RelayAddress(const CAddress& addr, bool fReachable, CConnman* connma
// Use deterministic randomness to send to the same nodes for 24 hours
// at a time so the m_addr_knowns of the chosen nodes prevent repeats
uint64_t hashAddr = addr.GetHash();
- const CSipHasher hasher = connman->GetDeterministicRandomizer(RANDOMIZER_ID_ADDRESS_RELAY).Write(hashAddr << 32).Write((GetTime() + hashAddr) / (24*60*60));
+ const CSipHasher hasher = connman.GetDeterministicRandomizer(RANDOMIZER_ID_ADDRESS_RELAY).Write(hashAddr << 32).Write((GetTime() + hashAddr) / (24 * 60 * 60));
FastRandomContext insecure_rand;
std::array<std::pair<uint64_t, CNode*>,2> best{{{0, nullptr}, {0, nullptr}}};
@@ -1411,7 +1446,7 @@ static void RelayAddress(const CAddress& addr, bool fReachable, CConnman* connma
}
};
- connman->ForEachNodeThen(std::move(sortfunc), std::move(pushfunc));
+ connman.ForEachNodeThen(std::move(sortfunc), std::move(pushfunc));
}
void static ProcessGetBlockData(CNode* pfrom, const CChainParams& chainparams, const CInv& inv, CConnman* connman)
@@ -1447,7 +1482,7 @@ void static ProcessGetBlockData(CNode* pfrom, const CChainParams& chainparams, c
if (need_activate_chain) {
BlockValidationState state;
if (!ActivateBestChain(state, Params(), a_recent_block)) {
- LogPrint(BCLog::NET, "failed to activate chain (%s)\n", FormatStateMessage(state));
+ LogPrint(BCLog::NET, "failed to activate chain (%s)\n", state.ToString());
}
}
@@ -1569,7 +1604,7 @@ 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, CTxMemPool& mempool, const std::atomic<bool>& interruptMsgProc) LOCKS_EXCLUDED(cs_main)
{
AssertLockNotHeld(cs_main);
@@ -1618,7 +1653,13 @@ void static ProcessGetData(CNode* pfrom, const CChainParams& chainparams, CConnm
push = true;
}
}
- if (!push) {
+
+ if (push) {
+ // We interpret fulfilling a GETDATA for a transaction as a
+ // successful initial broadcast and remove it from our
+ // unbroadcast set.
+ mempool.RemoveUnbroadcastTx(inv.hash);
+ } else {
vNotFound.push_back(inv);
}
}
@@ -1682,7 +1723,7 @@ 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();
@@ -1810,7 +1851,7 @@ 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());
}
@@ -1864,7 +1905,7 @@ 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);
@@ -1924,9 +1965,9 @@ void static ProcessOrphanTx(CConnman* connman, std::set<uint256>& orphan_work_se
}
}
-bool static 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& msg_type, 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());
+ LogPrint(BCLog::NET, "received: %s (%u bytes) peer=%d\n", SanitizeString(msg_type), vRecv.size(), pfrom->GetId());
if (gArgs.IsArgSet("-dropmessagestest") && GetRand(gArgs.GetArg("-dropmessagestest", 0)) == 0)
{
LogPrintf("dropmessagestest DROPPING RECV MESSAGE\n");
@@ -1935,8 +1976,8 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
if (!(pfrom->GetLocalServices() & NODE_BLOOM) &&
- (strCommand == NetMsgType::FILTERLOAD ||
- strCommand == NetMsgType::FILTERADD))
+ (msg_type == NetMsgType::FILTERLOAD ||
+ msg_type == NetMsgType::FILTERADD))
{
if (pfrom->nVersion >= NO_BLOOM_VERSION) {
LOCK(cs_main);
@@ -1948,7 +1989,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
}
}
- if (strCommand == NetMsgType::VERSION) {
+ if (msg_type == NetMsgType::VERSION) {
// Each connection can only send one version message
if (pfrom->nVersion != 0)
{
@@ -2120,7 +2161,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// At this point, the outgoing message serialization version can't change.
const CNetMsgMaker msgMaker(pfrom->GetSendVersion());
- if (strCommand == NetMsgType::VERACK)
+ if (msg_type == NetMsgType::VERACK)
{
pfrom->SetRecvVersion(std::min(pfrom->nVersion.load(), PROTOCOL_VERSION));
@@ -2165,7 +2206,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return false;
}
- if (strCommand == NetMsgType::ADDR) {
+ if (msg_type == NetMsgType::ADDR) {
std::vector<CAddress> vAddr;
vRecv >> vAddr;
@@ -2205,7 +2246,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
if (addr.nTime > nSince && !pfrom->fGetAddr && vAddr.size() <= 10 && addr.IsRoutable())
{
// Relay to a limited number of other nodes
- RelayAddress(addr, fReachable, connman);
+ RelayAddress(addr, fReachable, *connman);
}
// Do not store addresses outside our network
if (fReachable)
@@ -2219,13 +2260,13 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::SENDHEADERS) {
+ if (msg_type == NetMsgType::SENDHEADERS) {
LOCK(cs_main);
State(pfrom->GetId())->fPreferHeaders = true;
return true;
}
- if (strCommand == NetMsgType::SENDCMPCT) {
+ if (msg_type == NetMsgType::SENDCMPCT) {
bool fAnnounceUsingCMPCTBLOCK = false;
uint64_t nCMPCTBLOCKVersion = 0;
vRecv >> fAnnounceUsingCMPCTBLOCK >> nCMPCTBLOCKVersion;
@@ -2248,7 +2289,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::INV) {
+ if (msg_type == NetMsgType::INV) {
std::vector<CInv> vInv;
vRecv >> vInv;
if (vInv.size() > MAX_INV_SZ)
@@ -2276,7 +2317,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
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) {
@@ -2310,7 +2351,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::GETDATA) {
+ if (msg_type == NetMsgType::GETDATA) {
std::vector<CInv> vInv;
vRecv >> vInv;
if (vInv.size() > MAX_INV_SZ)
@@ -2327,11 +2368,11 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
}
pfrom->vRecvGetData.insert(pfrom->vRecvGetData.end(), vInv.begin(), vInv.end());
- ProcessGetData(pfrom, chainparams, connman, interruptMsgProc);
+ ProcessGetData(pfrom, chainparams, connman, mempool, interruptMsgProc);
return true;
}
- if (strCommand == NetMsgType::GETBLOCKS) {
+ if (msg_type == NetMsgType::GETBLOCKS) {
CBlockLocator locator;
uint256 hashStop;
vRecv >> locator >> hashStop;
@@ -2357,7 +2398,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
}
BlockValidationState state;
if (!ActivateBestChain(state, Params(), a_recent_block)) {
- LogPrint(BCLog::NET, "failed to activate chain (%s)\n", FormatStateMessage(state));
+ LogPrint(BCLog::NET, "failed to activate chain (%s)\n", state.ToString());
}
}
@@ -2399,7 +2440,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::GETBLOCKTXN) {
+ if (msg_type == NetMsgType::GETBLOCKTXN) {
BlockTransactionsRequest req;
vRecv >> req;
@@ -2448,7 +2489,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::GETHEADERS) {
+ if (msg_type == NetMsgType::GETHEADERS) {
CBlockLocator locator;
uint256 hashStop;
vRecv >> locator >> hashStop;
@@ -2515,7 +2556,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::TX) {
+ if (msg_type == NetMsgType::TX) {
// Stop processing the transaction early if
// We are in blocks only mode and peer is either not whitelisted or whitelistrelay is off
// or if this peer is supposed to be a block-relay-only peer
@@ -2544,7 +2585,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
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);
@@ -2565,7 +2606,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
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)
{
@@ -2583,7 +2624,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
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());
@@ -2615,14 +2656,11 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
if (pfrom->HasPermission(PF_FORCERELAY)) {
// Always relay transactions received from whitelisted peers, even
- // if they were already in the mempool or rejected from it due
- // to policy, allowing the node to function as a gateway for
+ // if they were already in the mempool,
+ // allowing the node to function as a gateway for
// nodes hidden behind it.
- //
- // Never relay transactions that might result in being
- // disconnected (or banned).
- if (state.IsInvalid() && TxRelayMayResultInDisconnect(state)) {
- LogPrintf("Not relaying invalid transaction %s from whitelisted peer=%d (%s)\n", tx.GetHash().ToString(), pfrom->GetId(), FormatStateMessage(state));
+ if (!mempool.exists(tx.GetHash())) {
+ LogPrintf("Not relaying non-mempool transaction %s from whitelisted peer=%d\n", tx.GetHash().ToString(), pfrom->GetId());
} else {
LogPrintf("Force relaying tx %s from whitelisted peer=%d\n", tx.GetHash().ToString(), pfrom->GetId());
RelayTransaction(tx.GetHash(), *connman);
@@ -2654,13 +2692,13 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
{
LogPrint(BCLog::MEMPOOLREJ, "%s from peer=%d was not accepted: %s\n", tx.GetHash().ToString(),
pfrom->GetId(),
- FormatStateMessage(state));
+ state.ToString());
MaybePunishNodeForTx(pfrom->GetId(), state);
}
return true;
}
- if (strCommand == NetMsgType::CMPCTBLOCK)
+ if (msg_type == NetMsgType::CMPCTBLOCK)
{
// Ignore cmpctblock received while importing
if (fImporting || fReindex) {
@@ -2761,7 +2799,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
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 {
@@ -2834,7 +2872,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
} // 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
@@ -2842,7 +2880,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
// 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) {
@@ -2881,7 +2919,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::BLOCKTXN)
+ if (msg_type == NetMsgType::BLOCKTXN)
{
// Ignore blocktxn received while importing
if (fImporting || fReindex) {
@@ -2963,7 +3001,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::HEADERS)
+ if (msg_type == NetMsgType::HEADERS)
{
// Ignore headers received while importing
if (fImporting || fReindex) {
@@ -2986,10 +3024,10 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
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)
+ if (msg_type == NetMsgType::BLOCK)
{
// Ignore block received while importing
if (fImporting || fReindex) {
@@ -3025,7 +3063,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::GETADDR) {
+ if (msg_type == NetMsgType::GETADDR) {
// This asymmetric behavior for inbound and outbound connections was introduced
// to prevent a fingerprinting attack: an attacker can send specific fake addresses
// to users' AddrMan and later request them by sending getaddr messages.
@@ -3059,7 +3097,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::MEMPOOL) {
+ if (msg_type == NetMsgType::MEMPOOL) {
if (!(pfrom->GetLocalServices() & NODE_BLOOM) && !pfrom->HasPermission(PF_MEMPOOL))
{
if (!pfrom->HasPermission(PF_NOBAN))
@@ -3087,7 +3125,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::PING) {
+ if (msg_type == NetMsgType::PING) {
if (pfrom->nVersion > BIP0031_VERSION)
{
uint64_t nonce = 0;
@@ -3108,7 +3146,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::PONG) {
+ if (msg_type == NetMsgType::PONG) {
int64_t pingUsecEnd = nTimeReceived;
uint64_t nonce = 0;
size_t nAvail = vRecv.in_avail();
@@ -3164,7 +3202,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::FILTERLOAD) {
+ if (msg_type == NetMsgType::FILTERLOAD) {
CBloomFilter filter;
vRecv >> filter;
@@ -3184,7 +3222,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::FILTERADD) {
+ if (msg_type == NetMsgType::FILTERADD) {
std::vector<unsigned char> vData;
vRecv >> vData;
@@ -3208,19 +3246,19 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::FILTERCLEAR) {
+ if (msg_type == NetMsgType::FILTERCLEAR) {
if (pfrom->m_tx_relay == nullptr) {
return true;
}
LOCK(pfrom->m_tx_relay->cs_filter);
if (pfrom->GetLocalServices() & NODE_BLOOM) {
- pfrom->m_tx_relay->pfilter.reset(new CBloomFilter());
+ pfrom->m_tx_relay->pfilter = nullptr;
}
pfrom->m_tx_relay->fRelayTxes = true;
return true;
}
- if (strCommand == NetMsgType::FEEFILTER) {
+ if (msg_type == NetMsgType::FEEFILTER) {
CAmount newFeeFilter = 0;
vRecv >> newFeeFilter;
if (MoneyRange(newFeeFilter)) {
@@ -3233,7 +3271,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
return true;
}
- if (strCommand == NetMsgType::NOTFOUND) {
+ if (msg_type == NetMsgType::NOTFOUND) {
// Remove the NOTFOUND transactions from the peer
LOCK(cs_main);
CNodeState *state = State(pfrom->GetId());
@@ -3259,7 +3297,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
}
// Ignore unknown commands for extensibility
- LogPrint(BCLog::NET, "Unknown command \"%s\" from peer=%d\n", SanitizeString(strCommand), pfrom->GetId());
+ LogPrint(BCLog::NET, "Unknown command \"%s\" from peer=%d\n", SanitizeString(msg_type), pfrom->GetId());
return true;
}
@@ -3304,12 +3342,12 @@ 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);
}
@@ -3354,7 +3392,7 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter
LogPrint(BCLog::NET, "PROCESSMESSAGE: ERRORS IN HEADER %s peer=%d\n", SanitizeString(msg.m_command), pfrom->GetId());
return fMoreWork;
}
- const std::string& strCommand = msg.m_command;
+ const std::string& msg_type = msg.m_command;
// Message size
unsigned int nMessageSize = msg.m_message_size;
@@ -3364,7 +3402,7 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter
if (!msg.m_valid_checksum)
{
LogPrint(BCLog::NET, "%s(%s, %u bytes): CHECKSUM ERROR peer=%d\n", __func__,
- SanitizeString(strCommand), nMessageSize, pfrom->GetId());
+ SanitizeString(msg_type), nMessageSize, pfrom->GetId());
return fMoreWork;
}
@@ -3372,19 +3410,19 @@ 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, msg_type, vRecv, msg.m_time, chainparams, m_mempool, connman, m_banman, interruptMsgProc);
if (interruptMsgProc)
return false;
if (!pfrom->vRecvGetData.empty())
fMoreWork = true;
} catch (const std::exception& e) {
- LogPrint(BCLog::NET, "%s(%s, %u bytes): Exception '%s' (%s) caught\n", __func__, SanitizeString(strCommand), nMessageSize, e.what(), typeid(e).name());
+ LogPrint(BCLog::NET, "%s(%s, %u bytes): Exception '%s' (%s) caught\n", __func__, SanitizeString(msg_type), nMessageSize, e.what(), typeid(e).name());
} catch (...) {
- LogPrint(BCLog::NET, "%s(%s, %u bytes): Unknown exception caught\n", __func__, SanitizeString(strCommand), nMessageSize);
+ LogPrint(BCLog::NET, "%s(%s, %u bytes): Unknown exception caught\n", __func__, SanitizeString(msg_type), nMessageSize);
}
if (!fRet) {
- LogPrint(BCLog::NET, "%s(%s, %u bytes) FAILED peer=%d\n", __func__, SanitizeString(strCommand), nMessageSize, pfrom->GetId());
+ LogPrint(BCLog::NET, "%s(%s, %u bytes) FAILED peer=%d\n", __func__, SanitizeString(msg_type), nMessageSize, pfrom->GetId());
}
LOCK(cs_main);
@@ -3599,16 +3637,16 @@ bool PeerLogicValidation::SendMessages(CNode* pto)
int64_t nNow = GetTimeMicros();
auto current_time = GetTime<std::chrono::microseconds>();
- if (pto->IsAddrRelayPeer() && !::ChainstateActive().IsInitialBlockDownload() && pto->nNextLocalAddrSend < nNow) {
+ if (pto->IsAddrRelayPeer() && !::ChainstateActive().IsInitialBlockDownload() && pto->m_next_local_addr_send < current_time) {
AdvertiseLocal(pto);
- pto->nNextLocalAddrSend = PoissonNextSend(nNow, AVG_LOCAL_ADDRESS_BROADCAST_INTERVAL);
+ pto->m_next_local_addr_send = PoissonNextSend(current_time, AVG_LOCAL_ADDRESS_BROADCAST_INTERVAL);
}
//
// Message: addr
//
- if (pto->IsAddrRelayPeer() && pto->nNextAddrSend < nNow) {
- pto->nNextAddrSend = PoissonNextSend(nNow, AVG_ADDRESS_BROADCAST_INTERVAL);
+ if (pto->IsAddrRelayPeer() && pto->m_next_addr_send < current_time) {
+ pto->m_next_addr_send = PoissonNextSend(current_time, AVG_ADDRESS_BROADCAST_INTERVAL);
std::vector<CAddress> vAddr;
vAddr.reserve(pto->vAddrToSend.size());
assert(pto->m_addr_known);
@@ -3838,7 +3876,7 @@ 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;
{
@@ -3884,7 +3922,7 @@ 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.
@@ -3903,7 +3941,7 @@ 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;
}
@@ -4015,7 +4053,7 @@ 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());
}
@@ -4058,7 +4096,7 @@ 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);
@@ -4096,7 +4134,7 @@ 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);