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funding: add chan type awareness for new taproot chans overlay

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Olaoluwa Osuntokun 2024-06-25 15:21:05 -07:00
parent 0ee9b02094
commit 18521dbe0c
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1 changed files with 68 additions and 0 deletions
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68
funding/commitment_type_negotiation.go
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@ -307,6 +307,74 @@ func explicitNegotiateCommitmentType(channelType lnwire.ChannelType, local,
return lnwallet.CommitmentTypeSimpleTaproot, nil
// Simple taproot channels overlay only.
case channelFeatures.OnlyContains(
lnwire.SimpleTaprootOverlayChansRequired,
):
if !hasFeatures(
local, remote,
lnwire.SimpleTaprootOverlayChansOptional,
) {
return 0, errUnsupportedChannelType
}
return lnwallet.CommitmentTypeSimpleTaprootOverlay, nil
// Simple taproot overlay channels with scid only.
case channelFeatures.OnlyContains(
lnwire.SimpleTaprootOverlayChansRequired,
lnwire.ScidAliasRequired,
):
if !hasFeatures(
local, remote,
lnwire.SimpleTaprootOverlayChansOptional,
lnwire.ScidAliasOptional,
) {
return 0, errUnsupportedChannelType
}
return lnwallet.CommitmentTypeSimpleTaprootOverlay, nil
// Simple taproot overlay channels with zero conf only.
case channelFeatures.OnlyContains(
lnwire.SimpleTaprootOverlayChansRequired,
lnwire.ZeroConfRequired,
):
if !hasFeatures(
local, remote,
lnwire.SimpleTaprootOverlayChansOptional,
lnwire.ZeroConfOptional,
) {
return 0, errUnsupportedChannelType
}
return lnwallet.CommitmentTypeSimpleTaprootOverlay, nil
// Simple taproot overlay channels with scid and zero conf.
case channelFeatures.OnlyContains(
lnwire.SimpleTaprootOverlayChansRequired,
lnwire.ZeroConfRequired,
lnwire.ScidAliasRequired,
):
if !hasFeatures(
local, remote,
lnwire.SimpleTaprootOverlayChansOptional,
lnwire.ZeroConfOptional,
lnwire.ScidAliasOptional,
) {
return 0, errUnsupportedChannelType
}
return lnwallet.CommitmentTypeSimpleTaprootOverlay, nil
// No features, use legacy commitment type.
case channelFeatures.IsEmpty():
return lnwallet.CommitmentTypeLegacy, nil