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Cache most-recently-connected compact block

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This commit is contained in:
Matt Corallo 2016-12-22 15:29:06 -08:00
parent 9eaec08dd2
commit 5749a853b9
1 changed files with 22 additions and 9 deletions
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23
src/net_processing.cpp
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@ -754,10 +754,11 @@ void PeerLogicValidation::SyncTransaction(const CTransaction& tx, const CBlockIn
static CCriticalSection cs_most_recent_block;
static std::shared_ptr<const CBlock> most_recent_block;
static std::shared_ptr<CBlockHeaderAndShortTxIDs> most_recent_compact_block;
static uint256 most_recent_block_hash;
void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& pblock) {
CBlockHeaderAndShortTxIDs cmpctblock(*pblock, true);
std::shared_ptr<CBlockHeaderAndShortTxIDs> pcmpctblock = std::make_shared<CBlockHeaderAndShortTxIDs> (*pblock, true);
CNetMsgMaker msgMaker(PROTOCOL_VERSION);
LOCK(cs_main);
@ -774,9 +775,10 @@ void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std:
LOCK(cs_most_recent_block);
most_recent_block_hash = hashBlock;
most_recent_block = pblock;
most_recent_compact_block = pcmpctblock;
}
connman->ForEachNode([this, &cmpctblock, pindex, &msgMaker, fWitnessEnabled, &hashBlock](CNode* pnode) {
connman->ForEachNode([this, &pcmpctblock, pindex, &msgMaker, fWitnessEnabled, &hashBlock](CNode* pnode) {
// TODO: Avoid the repeated-serialization here
if (pnode->nVersion < INVALID_CB_NO_BAN_VERSION || pnode->fDisconnect)
return;
@ -789,7 +791,7 @@ void PeerLogicValidation::NewPoWValidBlock(const CBlockIndex *pindex, const std:
LogPrint("net", "%s sending header-and-ids %s to peer %d\n", "PeerLogicValidation::NewPoWValidBlock",
hashBlock.ToString(), pnode->id);
connman->PushMessage(pnode, msgMaker.Make(NetMsgType::CMPCTBLOCK, cmpctblock));
connman->PushMessage(pnode, msgMaker.Make(NetMsgType::CMPCTBLOCK, *pcmpctblock));
state.pindexBestHeaderSent = pindex;
}
});
@ -2859,13 +2861,24 @@ bool SendMessages(CNode* pto, CConnman& connman, std::atomic<bool>& interruptMsg
// probably means we're doing an initial-ish-sync or they're slow
LogPrint("net", "%s sending header-and-ids %s to peer %d\n", __func__,
vHeaders.front().GetHash().ToString(), pto->id);
//TODO: Shouldn't need to reload block from disk, but requires refactor
int nSendFlags = state.fWantsCmpctWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS;
LOCK(cs_most_recent_block);
if (most_recent_block_hash == pBestIndex->GetBlockHash()) {
if (state.fWantsCmpctWitness)
connman.PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, *most_recent_compact_block));
else {
CBlockHeaderAndShortTxIDs cmpctblock(*most_recent_block, state.fWantsCmpctWitness);
connman.PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock));
}
} else {
CBlock block;
bool ret = ReadBlockFromDisk(block, pBestIndex, consensusParams);
assert(ret);
CBlockHeaderAndShortTxIDs cmpctblock(block, state.fWantsCmpctWitness);
int nSendFlags = state.fWantsCmpctWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS;
connman.PushMessage(pto, msgMaker.Make(nSendFlags, NetMsgType::CMPCTBLOCK, cmpctblock));
}
state.pindexBestHeaderSent = pBestIndex;
} else if (state.fPreferHeaders) {
if (vHeaders.size() > 1) {