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p2p: remove nFetchFlags from NetMsgType TX and INV processing

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The nFetchFlags code can be removed here because GetFetchFlags() can only add
the MSG_WITNESS_FLAG, which is added to the CInv::type field. That CInv is only
passed to AlreadyHave() or ToGenTxid(), and neither of those functions do
anything different depending on whether the CInv type is MSG_TX or
MSG_WITNESS_TX.

Co-authored by: John Newbery <john@johnnewbery.com>
This commit is contained in:
Jon Atack 2020-08-05 17:46:31 +02:00
parent 471714e1f0
commit 39f1dc9445
No known key found for this signature in database
GPG key ID: 4F5721B3D0E3921D
1 changed files with 2 additions and 9 deletions
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11
src/net_processing.cpp
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@ -2654,14 +2654,12 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty
LOCK(cs_main);
uint32_t nFetchFlags = GetFetchFlags(pfrom);
const auto current_time = GetTime<std::chrono::microseconds>();
uint256* best_block{nullptr};
for (CInv &inv : vInv)
{
if (interruptMsgProc)
return;
if (interruptMsgProc) return;
// Ignore INVs that don't match wtxidrelay setting.
// Note that orphan parent fetching always uses MSG_TX GETDATAs regardless of the wtxidrelay setting.
@ -2675,10 +2673,6 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty
bool fAlreadyHave = AlreadyHave(inv, m_mempool);
LogPrint(BCLog::NET, "got inv: %s %s peer=%d\n", inv.ToString(), fAlreadyHave ? "have" : "new", pfrom.GetId());
if (inv.IsMsgTx()) {
inv.type |= nFetchFlags;
}
if (inv.type == MSG_BLOCK) {
UpdateBlockAvailability(pfrom.GetId(), inv.hash);
if (!fAlreadyHave && !fImporting && !fReindex && !mapBlocksInFlight.count(inv.hash)) {
@ -3013,7 +3007,6 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty
}
}
if (!fRejectedParents) {
uint32_t nFetchFlags = GetFetchFlags(pfrom);
const auto current_time = GetTime<std::chrono::microseconds>();
for (const uint256& parent_txid : unique_parents) {
@ -3022,7 +3015,7 @@ void PeerLogicValidation::ProcessMessage(CNode& pfrom, const std::string& msg_ty
// wtxidrelay peers.
// Eventually we should replace this with an improved
// protocol for getting all unconfirmed parents.
CInv _inv(MSG_TX | nFetchFlags, parent_txid);
CInv _inv(MSG_TX, parent_txid);
pfrom.AddKnownTx(parent_txid);
if (!AlreadyHave(_inv, m_mempool)) RequestTx(State(pfrom.GetId()), ToGenTxid(_inv), current_time);
}