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Add p2p message "wtxidrelay"

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When sent to and received from a given peer, enables using wtxid's for
announcing and fetching transactions with that peer.
This commit is contained in:
Suhas Daftuar 2020-01-30 10:10:50 -05:00
parent 2d282e0cba
commit 46d78d47de
4 changed files with 29 additions and 2 deletions
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16
src/net_processing.cpp
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@ -2342,6 +2342,10 @@ void ProcessMessage(
if (pfrom.fInbound)
PushNodeVersion(pfrom, connman, GetAdjustedTime());
if (nVersion >= WTXID_RELAY_VERSION) {
connman.PushMessage(&pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::WTXIDRELAY));
}
connman.PushMessage(&pfrom, CNetMsgMaker(INIT_PROTO_VERSION).Make(NetMsgType::VERACK));
pfrom.nServices = nServices;
@ -2478,6 +2482,18 @@ void ProcessMessage(
return;
}
// Feature negotiation of wtxidrelay should happen between VERSION and
// VERACK, to avoid relay problems from switching after a connection is up
if (msg_type == NetMsgType::WTXIDRELAY) {
if (pfrom.nVersion >= WTXID_RELAY_VERSION) {
LOCK(cs_main);
if (!State(pfrom.GetId())->m_wtxid_relay) {
State(pfrom.GetId())->m_wtxid_relay = true;
}
}
return;
}
if (!pfrom.fSuccessfullyConnected) {
// Must have a verack message before anything else
LOCK(cs_main);