zcash-hackworks
/
bitcoin
mirror of https://github.com/zcash-hackworks/bitcoin.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Use cmpctblock type 2 for segwit-enabled transfer 

Contains version negotiation logic by Matt Corallo and bugfixes by
Suhas Daftuar.

Github-Pull: #8393
Rebased-From: 6aa28abf53
This commit is contained in:
Matt Corallo 2016-10-03 13:00:14 -04:00 committed by Wladimir J. van der Laan
parent 890ac25638
commit 4bb9ce8a95
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/main.cpp
View File

@ -497,7 +497,7 @@ void MaybeSetPeerAsAnnouncingHeaderAndIDs(const CNodeState* nodestate, CNode* pf
if (nodeid == pfrom->GetId())
return;
bool fAnnounceUsingCMPCTBLOCK = false;
uint64_t nCMPCTBLOCKVersion = (pfrom->GetLocalServices() & NODE_WITNESS) ? 2 : 1;
uint64_t nCMPCTBLOCKVersion = (nLocalServices & NODE_WITNESS) ? 2 : 1;
if (lNodesAnnouncingHeaderAndIDs.size() >= 3) {
// As per BIP152, we only get 3 of our peers to announce
// blocks using compact encodings.
@ -4912,7 +4912,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
uint32_t GetFetchFlags(CNode* pfrom, CBlockIndex* pprev, const Consensus::Params& chainparams) {
uint32_t nFetchFlags = 0;
if (IsWitnessEnabled(pprev, chainparams) && State(pfrom->GetId())->fHaveWitness) {
if ((nLocalServices & NODE_WITNESS) && State(pfrom->GetId())->fHaveWitness) {
nFetchFlags |= MSG_WITNESS_FLAG;
}
return nFetchFlags;
@ -5123,7 +5123,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
// they may wish to request compact blocks from us
bool fAnnounceUsingCMPCTBLOCK = false;
uint64_t nCMPCTBLOCKVersion = 2;
if (pfrom->GetLocalServices() & NODE_WITNESS)
if (nLocalServices & NODE_WITNESS)
pfrom->PushMessage(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion);
nCMPCTBLOCKVersion = 1;
pfrom->PushMessage(NetMsgType::SENDCMPCT, fAnnounceUsingCMPCTBLOCK, nCMPCTBLOCKVersion);
@ -5207,7 +5207,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
bool fAnnounceUsingCMPCTBLOCK = false;
uint64_t nCMPCTBLOCKVersion = 0;
vRecv >> fAnnounceUsingCMPCTBLOCK >> nCMPCTBLOCKVersion;
if (nCMPCTBLOCKVersion == 1 || ((pfrom->GetLocalServices() & NODE_WITNESS) && nCMPCTBLOCKVersion == 2)) {
if (nCMPCTBLOCKVersion == 1 || ((nLocalServices & NODE_WITNESS) && nCMPCTBLOCKVersion == 2)) {
LOCK(cs_main);
// fProvidesHeaderAndIDs is used to "lock in" version of compact blocks we send (fWantsCmpctWitness)
if (!State(pfrom->GetId())->fProvidesHeaderAndIDs) {
@ -5217,7 +5217,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
if (State(pfrom->GetId())->fWantsCmpctWitness == (nCMPCTBLOCKVersion == 2)) // ignore later version announces
State(pfrom->GetId())->fPreferHeaderAndIDs = fAnnounceUsingCMPCTBLOCK;
if (!State(pfrom->GetId())->fSupportsDesiredCmpctVersion) {
if (pfrom->GetLocalServices() & NODE_WITNESS)
if (nLocalServices & NODE_WITNESS)
State(pfrom->GetId())->fSupportsDesiredCmpctVersion = (nCMPCTBLOCKVersion == 2);
else
State(pfrom->GetId())->fSupportsDesiredCmpctVersion = (nCMPCTBLOCKVersion == 1);