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-rw-r--r--src/net_processing.cpp86
1 files changed, 53 insertions, 33 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index 8e3e00eeed..718a7de031 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -744,21 +744,23 @@ PeerLogicValidation::PeerLogicValidation(CConnman* connmanIn) : connman(connmanI
recentRejects.reset(new CRollingBloomFilter(120000, 0.000001));
}
-void PeerLogicValidation::SyncTransaction(const CTransaction& tx, const CBlockIndex* pindex, int nPosInBlock) {
- if (nPosInBlock == CMainSignals::SYNC_TRANSACTION_NOT_IN_BLOCK)
- return;
-
+void PeerLogicValidation::BlockConnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindex, const std::vector<CTransactionRef>& vtxConflicted) {
LOCK(cs_main);
std::vector<uint256> vOrphanErase;
- // Which orphan pool entries must we evict?
- for (size_t j = 0; j < tx.vin.size(); j++) {
- auto itByPrev = mapOrphanTransactionsByPrev.find(tx.vin[j].prevout);
- if (itByPrev == mapOrphanTransactionsByPrev.end()) continue;
- for (auto mi = itByPrev->second.begin(); mi != itByPrev->second.end(); ++mi) {
- const CTransaction& orphanTx = *(*mi)->second.tx;
- const uint256& orphanHash = orphanTx.GetHash();
- vOrphanErase.push_back(orphanHash);
+
+ for (const CTransactionRef& ptx : pblock->vtx) {
+ const CTransaction& tx = *ptx;
+
+ // Which orphan pool entries must we evict?
+ for (size_t j = 0; j < tx.vin.size(); j++) {
+ auto itByPrev = mapOrphanTransactionsByPrev.find(tx.vin[j].prevout);
+ if (itByPrev == mapOrphanTransactionsByPrev.end()) continue;
+ for (auto mi = itByPrev->second.begin(); mi != itByPrev->second.end(); ++mi) {
+ const CTransaction& orphanTx = *(*mi)->second.tx;
+ const uint256& orphanHash = orphanTx.GetHash();
+ vOrphanErase.push_back(orphanHash);
+ }
}
}
@@ -772,10 +774,12 @@ void PeerLogicValidation::SyncTransaction(const CTransaction& tx, const CBlockIn
}
}
+// All of the following cache a recent block, and are protected by cs_most_recent_block
static CCriticalSection cs_most_recent_block;
static std::shared_ptr<const CBlock> most_recent_block;
static std::shared_ptr<const CBlockHeaderAndShortTxIDs> most_recent_compact_block;
static uint256 most_recent_block_hash;
+static bool fWitnessesPresentInMostRecentCompactBlock;
void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& pblock) {
std::shared_ptr<const CBlockHeaderAndShortTxIDs> pcmpctblock = std::make_shared<const CBlockHeaderAndShortTxIDs> (*pblock, true);
@@ -796,6 +800,7 @@ void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std:
most_recent_block_hash = hashBlock;
most_recent_block = pblock;
most_recent_compact_block = pcmpctblock;
+ fWitnessesPresentInMostRecentCompactBlock = fWitnessEnabled;
}
connman->ForEachNode([this, &pcmpctblock, pindex, &msgMaker, fWitnessEnabled, &hashBlock](CNode* pnode) {
@@ -856,8 +861,8 @@ void PeerLogicValidation::BlockChecked(const CBlock& block, const CValidationSta
int nDoS = 0;
if (state.IsInvalid(nDoS)) {
- if (it != mapBlockSource.end() && State(it->second.first)) {
- assert (state.GetRejectCode() < REJECT_INTERNAL); // Blocks are never rejected with internal reject codes
+ // Don't send reject message with code 0 or an internal reject code.
+ if (it != mapBlockSource.end() && State(it->second.first) && state.GetRejectCode() > 0 && state.GetRejectCode() < REJECT_INTERNAL) {
CBlockReject reject = {(unsigned char)state.GetRejectCode(), state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), hash};
State(it->second.first)->rejects.push_back(reject);
if (nDoS > 0 && it->second.second)
@@ -988,6 +993,15 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
{
bool send = false;
BlockMap::iterator mi = mapBlockIndex.find(inv.hash);
+ std::shared_ptr<const CBlock> a_recent_block;
+ std::shared_ptr<const CBlockHeaderAndShortTxIDs> a_recent_compact_block;
+ bool fWitnessesPresentInARecentCompactBlock;
+ {
+ LOCK(cs_most_recent_block);
+ a_recent_block = most_recent_block;
+ a_recent_compact_block = most_recent_compact_block;
+ fWitnessesPresentInARecentCompactBlock = fWitnessesPresentInMostRecentCompactBlock;
+ }
if (mi != mapBlockIndex.end())
{
if (mi->second->nChainTx && !mi->second->IsValid(BLOCK_VALID_SCRIPTS) &&
@@ -997,11 +1011,6 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// before ActivateBestChain but after AcceptBlock).
// In this case, we need to run ActivateBestChain prior to checking the relay
// conditions below.
- std::shared_ptr<const CBlock> a_recent_block;
- {
- LOCK(cs_most_recent_block);
- a_recent_block = most_recent_block;
- }
CValidationState dummy;
ActivateBestChain(dummy, Params(), a_recent_block);
}
@@ -1035,14 +1044,20 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// it's available before trying to send.
if (send && (mi->second->nStatus & BLOCK_HAVE_DATA))
{
- // Send block from disk
- CBlock block;
- if (!ReadBlockFromDisk(block, (*mi).second, consensusParams))
- assert(!"cannot load block from disk");
+ std::shared_ptr<const CBlock> pblock;
+ if (a_recent_block && a_recent_block->GetHash() == (*mi).second->GetBlockHash()) {
+ pblock = a_recent_block;
+ } else {
+ // Send block from disk
+ std::shared_ptr<CBlock> pblockRead = std::make_shared<CBlock>();
+ if (!ReadBlockFromDisk(*pblockRead, (*mi).second, consensusParams))
+ assert(!"cannot load block from disk");
+ pblock = pblockRead;
+ }
if (inv.type == MSG_BLOCK)
- connman.PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::BLOCK, block));
+ connman.PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::BLOCK, *pblock));
else if (inv.type == MSG_WITNESS_BLOCK)
- connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::BLOCK, block));
+ connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::BLOCK, *pblock));
else if (inv.type == MSG_FILTERED_BLOCK)
{
bool sendMerkleBlock = false;
@@ -1051,7 +1066,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
LOCK(pfrom->cs_filter);
if (pfrom->pfilter) {
sendMerkleBlock = true;
- merkleBlock = CMerkleBlock(block, *pfrom->pfilter);
+ merkleBlock = CMerkleBlock(*pblock, *pfrom->pfilter);
}
}
if (sendMerkleBlock) {
@@ -1064,7 +1079,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// however we MUST always provide at least what the remote peer needs
typedef std::pair<unsigned int, uint256> PairType;
BOOST_FOREACH(PairType& pair, merkleBlock.vMatchedTxn)
- connman.PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::TX, *block.vtx[pair.first]));
+ connman.PushMessage(pfrom, msgMaker.Make(SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::TX, *pblock->vtx[pair.first]));
}
// else
// no response
@@ -1078,10 +1093,15 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
bool fPeerWantsWitness = State(pfrom->GetId())->fWantsCmpctWitness;
int nSendFlags = fPeerWantsWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS;
if (CanDirectFetch(consensusParams) && mi->second->nHeight >= chainActive.Height() - MAX_CMPCTBLOCK_DEPTH) {
- CBlockHeaderAndShortTxIDs cmpctblock(block, fPeerWantsWitness);
- connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock));
- } else
- connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCK, block));
+ if ((fPeerWantsWitness || !fWitnessesPresentInARecentCompactBlock) && a_recent_compact_block && a_recent_compact_block->header.GetHash() == mi->second->GetBlockHash()) {
+ connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, *a_recent_compact_block));
+ } else {
+ CBlockHeaderAndShortTxIDs cmpctblock(*pblock, fPeerWantsWitness);
+ connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock));
+ }
+ } else {
+ connman.PushMessage(pfrom, msgMaker.Make(nSendFlags, NetMsgType::BLOCK, *pblock));
+ }
}
// Trigger the peer node to send a getblocks request for the next batch of inventory
@@ -1945,7 +1965,7 @@ 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->id,
FormatStateMessage(state));
- if (state.GetRejectCode() < REJECT_INTERNAL) // Never send AcceptToMemoryPool's internal codes over P2P
+ if (state.GetRejectCode() > 0 && state.GetRejectCode() < REJECT_INTERNAL) // Never send AcceptToMemoryPool's internal codes over P2P
connman.PushMessage(pfrom, msgMaker.Make(NetMsgType::REJECT, strCommand, (unsigned char)state.GetRejectCode(),
state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), inv.hash));
if (nDoS > 0) {
@@ -2972,7 +2992,7 @@ bool SendMessages(CNode* pto, CConnman& connman, const std::atomic<bool>& interr
{
LOCK(cs_most_recent_block);
if (most_recent_block_hash == pBestIndex->GetBlockHash()) {
- if (state.fWantsCmpctWitness)
+ if (state.fWantsCmpctWitness || !fWitnessesPresentInMostRecentCompactBlock)
connman.PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, *most_recent_compact_block));
else {
CBlockHeaderAndShortTxIDs cmpctblock(*most_recent_block, state.fWantsCmpctWitness);