aboutsummaryrefslogtreecommitdiff
path: root/src/main.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/main.cpp')
-rw-r--r--src/main.cpp250
1 files changed, 158 insertions, 92 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 11ccab253e..09f82312a9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1005,7 +1005,7 @@ std::string FormatStateMessage(const CValidationState &state)
}
bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const CTransaction& tx, bool fLimitFree,
- bool* pfMissingInputs, CFeeRate* txFeeRate, bool fOverrideMempoolLimit, const CAmount& nAbsurdFee,
+ bool* pfMissingInputs, bool fOverrideMempoolLimit, const CAmount& nAbsurdFee,
std::vector<uint256>& vHashTxnToUncache)
{
const uint256 hash = tx.GetHash();
@@ -1170,9 +1170,6 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
CTxMemPoolEntry entry(tx, nFees, GetTime(), dPriority, chainActive.Height(), pool.HasNoInputsOf(tx), inChainInputValue, fSpendsCoinbase, nSigOps, lp);
unsigned int nSize = entry.GetTxSize();
- if (txFeeRate) {
- *txFeeRate = CFeeRate(nFees, nSize);
- }
// Check that the transaction doesn't have an excessive number of
// sigops, making it impossible to mine. Since the coinbase transaction
@@ -1421,10 +1418,10 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
}
bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransaction &tx, bool fLimitFree,
- bool* pfMissingInputs, CFeeRate* txFeeRate, bool fOverrideMempoolLimit, const CAmount nAbsurdFee)
+ bool* pfMissingInputs, bool fOverrideMempoolLimit, const CAmount nAbsurdFee)
{
std::vector<uint256> vHashTxToUncache;
- bool res = AcceptToMemoryPoolWorker(pool, state, tx, fLimitFree, pfMissingInputs, txFeeRate, fOverrideMempoolLimit, nAbsurdFee, vHashTxToUncache);
+ bool res = AcceptToMemoryPoolWorker(pool, state, tx, fLimitFree, pfMissingInputs, fOverrideMempoolLimit, nAbsurdFee, vHashTxToUncache);
if (!res) {
BOOST_FOREACH(const uint256& hashTx, vHashTxToUncache)
pcoinsTip->Uncache(hashTx);
@@ -1468,7 +1465,7 @@ bool GetTransaction(const uint256 &hash, CTransaction &txOut, const Consensus::P
if (fAllowSlow) { // use coin database to locate block that contains transaction, and scan it
int nHeight = -1;
{
- CCoinsViewCache &view = *pcoinsTip;
+ const CCoinsViewCache& view = *pcoinsTip;
const CCoins* coins = view.AccessCoins(hash);
if (coins)
nHeight = coins->nHeight;
@@ -1593,7 +1590,7 @@ bool fLargeWorkForkFound = false;
bool fLargeWorkInvalidChainFound = false;
CBlockIndex *pindexBestForkTip = NULL, *pindexBestForkBase = NULL;
-static void AlertNotify(const std::string& strMessage, bool fThread)
+static void AlertNotify(const std::string& strMessage)
{
uiInterface.NotifyAlertChanged();
std::string strCmd = GetArg("-alertnotify", "");
@@ -1607,10 +1604,7 @@ static void AlertNotify(const std::string& strMessage, bool fThread)
safeStatus = singleQuote+safeStatus+singleQuote;
boost::replace_all(strCmd, "%s", safeStatus);
- if (fThread)
- boost::thread t(runCommand, strCmd); // thread runs free
- else
- runCommand(strCmd);
+ boost::thread t(runCommand, strCmd); // thread runs free
}
void CheckForkWarningConditions()
@@ -1632,7 +1626,7 @@ void CheckForkWarningConditions()
{
std::string warning = std::string("'Warning: Large-work fork detected, forking after block ") +
pindexBestForkBase->phashBlock->ToString() + std::string("'");
- AlertNotify(warning, true);
+ AlertNotify(warning);
}
if (pindexBestForkTip && pindexBestForkBase)
{
@@ -1744,7 +1738,7 @@ void static InvalidBlockFound(CBlockIndex *pindex, const CValidationState &state
}
}
-void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, CTxUndo &txundo, int nHeight)
+void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, CTxUndo &txundo, int nHeight)
{
// mark inputs spent
if (!tx.IsCoinBase()) {
@@ -1770,10 +1764,10 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
inputs.ModifyNewCoins(tx.GetHash(), tx.IsCoinBase())->FromTx(tx, nHeight);
}
-void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, int nHeight)
+void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, int nHeight)
{
CTxUndo txundo;
- UpdateCoins(tx, state, inputs, txundo, nHeight);
+ UpdateCoins(tx, inputs, txundo, nHeight);
}
bool CScriptCheck::operator()() {
@@ -2163,7 +2157,7 @@ void PartitionCheck(bool (*initialDownloadCheck)(), CCriticalSection& cs, const
if (!strWarning.empty())
{
strMiscWarning = strWarning;
- AlertNotify(strWarning, true);
+ AlertNotify(strWarning);
lastAlertTime = now;
}
}
@@ -2385,7 +2379,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
if (i > 0) {
blockundo.vtxundo.push_back(CTxUndo());
}
- UpdateCoins(tx, state, view, i == 0 ? undoDummy : blockundo.vtxundo.back(), pindex->nHeight);
+ UpdateCoins(tx, view, i == 0 ? undoDummy : blockundo.vtxundo.back(), pindex->nHeight);
vPos.push_back(std::make_pair(tx.GetHash(), pos));
pos.nTxOffset += ::GetSerializeSize(tx, SER_DISK, CLIENT_VERSION);
@@ -2598,7 +2592,7 @@ void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) {
if (state == THRESHOLD_ACTIVE) {
strMiscWarning = strprintf(_("Warning: unknown new rules activated (versionbit %i)"), bit);
if (!fWarned) {
- AlertNotify(strMiscWarning, true);
+ AlertNotify(strMiscWarning);
fWarned = true;
}
} else {
@@ -2620,7 +2614,7 @@ void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) {
// strMiscWarning is read by GetWarnings(), called by Qt and the JSON-RPC code to warn the user:
strMiscWarning = _("Warning: Unknown block versions being mined! It's possible unknown rules are in effect");
if (!fWarned) {
- AlertNotify(strMiscWarning, true);
+ AlertNotify(strMiscWarning);
fWarned = true;
}
}
@@ -2654,7 +2648,7 @@ bool static DisconnectTip(CValidationState& state, const CChainParams& chainpara
// ignore validation errors in resurrected transactions
list<CTransaction> removed;
CValidationState stateDummy;
- if (tx.IsCoinBase() || !AcceptToMemoryPool(mempool, stateDummy, tx, false, NULL, NULL, true)) {
+ if (tx.IsCoinBase() || !AcceptToMemoryPool(mempool, stateDummy, tx, false, NULL, true)) {
mempool.removeRecursive(tx, removed);
} else if (mempool.exists(tx.GetHash())) {
vHashUpdate.push_back(tx.GetHash());
@@ -3011,7 +3005,7 @@ bool InvalidateBlock(CValidationState& state, const CChainParams& chainparams, C
return true;
}
-bool ReconsiderBlock(CValidationState& state, CBlockIndex *pindex) {
+bool ResetBlockFailureFlags(CBlockIndex *pindex) {
AssertLockHeld(cs_main);
int nHeight = pindex->nHeight;
@@ -3705,7 +3699,7 @@ CBlockIndex * InsertBlockIndex(uint256 hash)
bool static LoadBlockIndexDB()
{
const CChainParams& chainparams = Params();
- if (!pblocktree->LoadBlockIndexGuts())
+ if (!pblocktree->LoadBlockIndexGuts(InsertBlockIndex))
return false;
boost::this_thread::interruption_point();
@@ -4556,12 +4550,16 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
vRecv >> LIMITED_STRING(pfrom->strSubVer, MAX_SUBVERSION_LENGTH);
pfrom->cleanSubVer = SanitizeString(pfrom->strSubVer);
}
- if (!vRecv.empty())
+ if (!vRecv.empty()) {
vRecv >> pfrom->nStartingHeight;
- if (!vRecv.empty())
- vRecv >> pfrom->fRelayTxes; // set to true after we get the first filter* message
- else
- pfrom->fRelayTxes = true;
+ }
+ {
+ LOCK(pfrom->cs_filter);
+ if (!vRecv.empty())
+ vRecv >> pfrom->fRelayTxes; // set to true after we get the first filter* message
+ else
+ pfrom->fRelayTxes = true;
+ }
// Disconnect if we connected to ourself
if (nNonce == nLocalHostNonce && nNonce > 1)
@@ -4955,10 +4953,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
pfrom->setAskFor.erase(inv.hash);
mapAlreadyAskedFor.erase(inv.hash);
- CFeeRate txFeeRate = CFeeRate(0);
- if (!AlreadyHave(inv) && AcceptToMemoryPool(mempool, state, tx, true, &fMissingInputs, &txFeeRate)) {
+ if (!AlreadyHave(inv) && AcceptToMemoryPool(mempool, state, tx, true, &fMissingInputs)) {
mempool.check(pcoinsTip);
- RelayTransaction(tx, txFeeRate);
+ RelayTransaction(tx);
vWorkQueue.push_back(inv.hash);
LogPrint("mempool", "AcceptToMemoryPool: peer=%d: accepted %s (poolsz %u txn, %u kB)\n",
@@ -4989,10 +4986,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
if (setMisbehaving.count(fromPeer))
continue;
- CFeeRate orphanFeeRate = CFeeRate(0);
- if (AcceptToMemoryPool(mempool, stateDummy, orphanTx, true, &fMissingInputs2, &orphanFeeRate)) {
+ if (AcceptToMemoryPool(mempool, stateDummy, orphanTx, true, &fMissingInputs2)) {
LogPrint("mempool", " accepted orphan tx %s\n", orphanHash.ToString());
- RelayTransaction(orphanTx, orphanFeeRate);
+ RelayTransaction(orphanTx);
vWorkQueue.push_back(orphanHash);
vEraseQueue.push_back(orphanHash);
}
@@ -5045,7 +5041,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
int nDoS = 0;
if (!state.IsInvalid(nDoS) || nDoS == 0) {
LogPrintf("Force relaying tx %s from whitelisted peer=%d\n", tx.GetHash().ToString(), pfrom->id);
- RelayTransaction(tx, txFeeRate);
+ RelayTransaction(tx);
} else {
LogPrintf("Not relaying invalid transaction %s from whitelisted peer=%d (%s)\n", tx.GetHash().ToString(), pfrom->id, FormatStateMessage(state));
}
@@ -5234,34 +5230,9 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
pfrom->fDisconnect = true;
return true;
}
- LOCK2(cs_main, pfrom->cs_filter);
- std::vector<uint256> vtxid;
- mempool.queryHashes(vtxid);
- vector<CInv> vInv;
- BOOST_FOREACH(uint256& hash, vtxid) {
- CInv inv(MSG_TX, hash);
- if (pfrom->pfilter) {
- CTransaction tx;
- bool fInMemPool = mempool.lookup(hash, tx);
- if (!fInMemPool) continue; // another thread removed since queryHashes, maybe...
- if (!pfrom->pfilter->IsRelevantAndUpdate(tx)) continue;
- }
- if (pfrom->minFeeFilter) {
- CFeeRate feeRate;
- mempool.lookupFeeRate(hash, feeRate);
- LOCK(pfrom->cs_feeFilter);
- if (feeRate.GetFeePerK() < pfrom->minFeeFilter)
- continue;
- }
- vInv.push_back(inv);
- if (vInv.size() == MAX_INV_SZ) {
- pfrom->PushMessage(NetMsgType::INV, vInv);
- vInv.clear();
- }
- }
- if (vInv.size() > 0)
- pfrom->PushMessage(NetMsgType::INV, vInv);
+ LOCK(pfrom->cs_inventory);
+ pfrom->fSendMempool = true;
}
@@ -5349,12 +5320,13 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
CBloomFilter filter;
vRecv >> filter;
+ LOCK(pfrom->cs_filter);
+
if (!filter.IsWithinSizeConstraints())
// There is no excuse for sending a too-large filter
Misbehaving(pfrom->GetId(), 100);
else
{
- LOCK(pfrom->cs_filter);
delete pfrom->pfilter;
pfrom->pfilter = new CBloomFilter(filter);
pfrom->pfilter->UpdateEmptyFull();
@@ -5559,6 +5531,22 @@ bool ProcessMessages(CNode* pfrom)
return fOk;
}
+class CompareInvMempoolOrder
+{
+ CTxMemPool *mp;
+public:
+ CompareInvMempoolOrder(CTxMemPool *mempool)
+ {
+ mp = mempool;
+ }
+
+ bool operator()(std::set<uint256>::iterator a, std::set<uint256>::iterator b)
+ {
+ /* As std::make_heap produces a max-heap, we want the entries with the
+ * fewest ancestors/highest fee to sort later. */
+ return mp->CompareDepthAndScore(*b, *a);
+ }
+};
bool SendMessages(CNode* pto)
{
@@ -5798,49 +5786,127 @@ bool SendMessages(CNode* pto)
// Message: inventory
//
vector<CInv> vInv;
- vector<CInv> vInvWait;
{
+ LOCK(pto->cs_inventory);
+ vInv.reserve(std::max<size_t>(pto->vInventoryBlockToSend.size(), INVENTORY_BROADCAST_MAX));
+
+ // Add blocks
+ BOOST_FOREACH(const uint256& hash, pto->vInventoryBlockToSend) {
+ vInv.push_back(CInv(MSG_BLOCK, hash));
+ if (vInv.size() == MAX_INV_SZ) {
+ pto->PushMessage(NetMsgType::INV, vInv);
+ vInv.clear();
+ }
+ }
+ pto->vInventoryBlockToSend.clear();
+
+ // Check whether periodic sends should happen
bool fSendTrickle = pto->fWhitelisted;
if (pto->nNextInvSend < nNow) {
fSendTrickle = true;
- pto->nNextInvSend = PoissonNextSend(nNow, AVG_INVENTORY_BROADCAST_INTERVAL);
+ // Use half the delay for outbound peers, as there is less privacy concern for them.
+ pto->nNextInvSend = PoissonNextSend(nNow, INVENTORY_BROADCAST_INTERVAL >> !pto->fInbound);
+ }
+
+ // Time to send but the peer has requested we not relay transactions.
+ if (fSendTrickle) {
+ LOCK(pto->cs_filter);
+ if (!pto->fRelayTxes) pto->setInventoryTxToSend.clear();
}
- LOCK(pto->cs_inventory);
- vInv.reserve(std::min<size_t>(1000, pto->vInventoryToSend.size()));
- vInvWait.reserve(pto->vInventoryToSend.size());
- BOOST_FOREACH(const CInv& inv, pto->vInventoryToSend)
- {
- if (inv.type == MSG_TX && pto->filterInventoryKnown.contains(inv.hash))
- continue;
- // trickle out tx inv to protect privacy
- if (inv.type == MSG_TX && !fSendTrickle)
+ // Respond to BIP35 mempool requests
+ if (fSendTrickle && pto->fSendMempool) {
+ std::vector<uint256> vtxid;
+ mempool.queryHashes(vtxid);
+ pto->fSendMempool = false;
+ CAmount filterrate = 0;
{
- // 1/4 of tx invs blast to all immediately
- static uint256 hashSalt;
- if (hashSalt.IsNull())
- hashSalt = GetRandHash();
- uint256 hashRand = ArithToUint256(UintToArith256(inv.hash) ^ UintToArith256(hashSalt));
- hashRand = Hash(BEGIN(hashRand), END(hashRand));
- bool fTrickleWait = ((UintToArith256(hashRand) & 3) != 0);
+ LOCK(pto->cs_feeFilter);
+ filterrate = pto->minFeeFilter;
+ }
- if (fTrickleWait)
- {
- vInvWait.push_back(inv);
- continue;
+ LOCK(pto->cs_filter);
+
+ BOOST_FOREACH(const uint256& hash, vtxid) {
+ CInv inv(MSG_TX, hash);
+ pto->setInventoryTxToSend.erase(hash);
+ if (filterrate) {
+ CFeeRate feeRate;
+ mempool.lookupFeeRate(hash, feeRate);
+ if (feeRate.GetFeePerK() < filterrate)
+ continue;
+ }
+ if (pto->pfilter) {
+ CTransaction tx;
+ bool fInMemPool = mempool.lookup(hash, tx);
+ if (!fInMemPool) continue; // another thread removed since queryHashes, maybe...
+ if (!pto->pfilter->IsRelevantAndUpdate(tx)) continue;
+ }
+ pto->filterInventoryKnown.insert(hash);
+ vInv.push_back(inv);
+ if (vInv.size() == MAX_INV_SZ) {
+ pto->PushMessage(NetMsgType::INV, vInv);
+ vInv.clear();
}
}
+ }
- pto->filterInventoryKnown.insert(inv.hash);
-
- vInv.push_back(inv);
- if (vInv.size() >= 1000)
+ // Determine transactions to relay
+ if (fSendTrickle) {
+ // Produce a vector with all candidates for sending
+ vector<std::set<uint256>::iterator> vInvTx;
+ vInvTx.reserve(pto->setInventoryTxToSend.size());
+ for (std::set<uint256>::iterator it = pto->setInventoryTxToSend.begin(); it != pto->setInventoryTxToSend.end(); it++) {
+ vInvTx.push_back(it);
+ }
+ CAmount filterrate = 0;
{
- pto->PushMessage(NetMsgType::INV, vInv);
- vInv.clear();
+ LOCK(pto->cs_feeFilter);
+ filterrate = pto->minFeeFilter;
+ }
+ // 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);
+ 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.
+ unsigned int nRelayedTransactions = 0;
+ LOCK(pto->cs_filter);
+ while (!vInvTx.empty() && nRelayedTransactions < INVENTORY_BROADCAST_MAX) {
+ // Fetch the top element from the heap
+ std::pop_heap(vInvTx.begin(), vInvTx.end(), compareInvMempoolOrder);
+ std::set<uint256>::iterator it = vInvTx.back();
+ vInvTx.pop_back();
+ uint256 hash = *it;
+ // Remove it from the to-be-sent set
+ pto->setInventoryTxToSend.erase(it);
+ // Check if not in the filter already
+ if (pto->filterInventoryKnown.contains(hash)) {
+ continue;
+ }
+ // Not in the mempool anymore? don't bother sending it.
+ CFeeRate feeRate;
+ if (!mempool.lookupFeeRate(hash, feeRate)) {
+ continue;
+ }
+ if (filterrate && feeRate.GetFeePerK() < filterrate) {
+ continue;
+ }
+ if (pto->pfilter) {
+ CTransaction tx;
+ if (!mempool.lookup(hash, tx)) continue;
+ if (!pto->pfilter->IsRelevantAndUpdate(tx)) continue;
+ }
+ // Send
+ vInv.push_back(CInv(MSG_TX, hash));
+ nRelayedTransactions++;
+ if (vInv.size() == MAX_INV_SZ) {
+ pto->PushMessage(NetMsgType::INV, vInv);
+ vInv.clear();
+ }
+ pto->filterInventoryKnown.insert(hash);
}
}
- pto->vInventoryToSend = vInvWait;
}
if (!vInv.empty())
pto->PushMessage(NetMsgType::INV, vInv);
generated by cgit v1.2.3 (git 2.26.2) at 2024-09-13 08:14:21 +0000