feat(p2p): render HasChannel(chID)
is a public p2p.Peer
method (#…
#142
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…3510)
Closes: cometbft#3472
It also prevents reactors from starting routines intended to send messages to a peer that does not implement/support a given channel. Because all
Send()
orTrySend()
calls from this routine will be useless, always returningfalse
and possibly producing some busy-wait behavior (see cometbft#3414).The changes are restricted to: mempool and evidence reactor, because they use a single channel and have a sending routine peer peer, and two of the consensus routines, for Data and Votes.
Block and State sync reactors have smarter ways to deal with unresponsive peers, so probably this check is not needed.
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(we use unclog to manage our changelog)docs/
orspec/
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