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funding: allow AcceptChannel with min depth of zero

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Even if the channel type is not zero conf. We will still use a min depth
of at least 1. We just dont fail if our peer indicates trust.
This commit is contained in:
Elle Mouton
2024-06-13 14:27:06 -04:00
parent c34c0426fa
commit 1c65c3d072
1 changed files with 11 additions and 8 deletions
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19
funding/manager.go
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@@ -2020,19 +2020,22 @@ func (f *Manager) funderProcessAcceptChannel(peer lnpeer.Peer,
return return
} }
// Fail early if minimum depth is set to 0 and the channel is not // If this is not a zero-conf channel but the peer responded with a
// zero-conf. // min-depth of zero, we will use our minimum of 1 instead.
if !resCtx.reservation.IsZeroConf() && msg.MinAcceptDepth == 0 { minDepth := msg.MinAcceptDepth
err = fmt.Errorf("non-zero-conf channel has min depth zero") if !resCtx.reservation.IsZeroConf() && minDepth == 0 {
log.Warn(err) log.Infof("Responder to pending_id=%v sent a minimum "+
f.failFundingFlow(peer, cid, err) "confirmation depth of 0 for non-zero-conf channel. "+
return "We will use a minimum depth of 1 instead.",
cid.tempChanID)
minDepth = 1
} }
// We'll also specify the responder's preference for the number of // We'll also specify the responder's preference for the number of
// required confirmations, and also the set of channel constraints // required confirmations, and also the set of channel constraints
// they've specified for commitment states we can create. // they've specified for commitment states we can create.
resCtx.reservation.SetNumConfsRequired(uint16(msg.MinAcceptDepth)) resCtx.reservation.SetNumConfsRequired(uint16(minDepth))
channelConstraints := &channeldb.ChannelConstraints{ channelConstraints := &channeldb.ChannelConstraints{
DustLimit: msg.DustLimit, DustLimit: msg.DustLimit,
ChanReserve: msg.ChannelReserve, ChanReserve: msg.ChannelReserve,