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feature: use +100 staging bit for taproot channels

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In this commit, we carry out a new notion introduced during a recent
spec meeting to use a feature bit plus 100 before the feature has been
finalized in the spec.

We split into the Final and Staging bits.
This commit is contained in:
Olaoluwa Osuntokun
2023-08-18 17:04:07 -07:00
parent fcbf6f2483
commit 384b1b1c12
9 changed files with 92 additions and 76 deletions
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108
lnwire/features.go
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@@ -231,13 +231,29 @@ const (
// TODO: Decide on actual feature bit value.
ScriptEnforcedLeaseOptional FeatureBit = 2023
// SimpleTaprootChannelsRequred is a required bit that indicates the
// node is able to create taproot-native channels.
SimpleTaprootChannelsRequired = 80
// SimpleTaprootChannelsRequredFinal is a required bit that indicates
// the node is able to create taproot-native channels. This is the
// final feature bit to be used once the channel type is finalized.
SimpleTaprootChannelsRequiredFinal = 80
// SimpleTaprootChannelsOptional is an optional bit that indicates the
// node is able to create taproot-native channels.
SimpleTaprootChannelsOptional = 81
// SimpleTaprootChannelsOptionalFinal is an optional bit that indicates
// the node is able to create taproot-native channels. This is the
// final
// feature bit to be used once the channel type is finalized.
SimpleTaprootChannelsOptionalFinal = 81
// SimpleTaprootChannelsRequredStaging is a required bit that indicates
// the node is able to create taproot-native channels. This is a
// feature bit used in the wild while the channel type is still being
// finalized.
SimpleTaprootChannelsRequiredStaging = 180
// SimpleTaprootChannelsOptionalStaging is an optional bit that
// indicates the node is able to create taproot-native channels. This
// is a feature
// bit used in the wild while the channel type is still being
// finalized.
SimpleTaprootChannelsOptionalStaging = 181
// MaxBolt11Feature is the maximum feature bit value allowed in bolt 11
// invoices.
@@ -262,45 +278,47 @@ func (b FeatureBit) IsRequired() bool {
// feature bits must be assigned a name in this mapping, and feature bit pairs
// must be assigned together for correct behavior.
var Features = map[FeatureBit]string{
DataLossProtectRequired: "data-loss-protect",
DataLossProtectOptional: "data-loss-protect",
InitialRoutingSync: "initial-routing-sync",
UpfrontShutdownScriptRequired: "upfront-shutdown-script",
UpfrontShutdownScriptOptional: "upfront-shutdown-script",
GossipQueriesRequired: "gossip-queries",
GossipQueriesOptional: "gossip-queries",
TLVOnionPayloadRequired: "tlv-onion",
TLVOnionPayloadOptional: "tlv-onion",
StaticRemoteKeyOptional: "static-remote-key",
StaticRemoteKeyRequired: "static-remote-key",
PaymentAddrOptional: "payment-addr",
PaymentAddrRequired: "payment-addr",
MPPOptional: "multi-path-payments",
MPPRequired: "multi-path-payments",
AnchorsRequired: "anchor-commitments",
AnchorsOptional: "anchor-commitments",
AnchorsZeroFeeHtlcTxRequired: "anchors-zero-fee-htlc-tx",
AnchorsZeroFeeHtlcTxOptional: "anchors-zero-fee-htlc-tx",
WumboChannelsRequired: "wumbo-channels",
WumboChannelsOptional: "wumbo-channels",
AMPRequired: "amp",
AMPOptional: "amp",
PaymentMetadataOptional: "payment-metadata",
PaymentMetadataRequired: "payment-metadata",
ExplicitChannelTypeOptional: "explicit-commitment-type",
ExplicitChannelTypeRequired: "explicit-commitment-type",
KeysendOptional: "keysend",
KeysendRequired: "keysend",
ScriptEnforcedLeaseRequired: "script-enforced-lease",
ScriptEnforcedLeaseOptional: "script-enforced-lease",
ScidAliasRequired: "scid-alias",
ScidAliasOptional: "scid-alias",
ZeroConfRequired: "zero-conf",
ZeroConfOptional: "zero-conf",
ShutdownAnySegwitRequired: "shutdown-any-segwit",
ShutdownAnySegwitOptional: "shutdown-any-segwit",
SimpleTaprootChannelsRequired: "simple-taproot-chans",
SimpleTaprootChannelsOptional: "simple-taproot-chans",
DataLossProtectRequired: "data-loss-protect",
DataLossProtectOptional: "data-loss-protect",
InitialRoutingSync: "initial-routing-sync",
UpfrontShutdownScriptRequired: "upfront-shutdown-script",
UpfrontShutdownScriptOptional: "upfront-shutdown-script",
GossipQueriesRequired: "gossip-queries",
GossipQueriesOptional: "gossip-queries",
TLVOnionPayloadRequired: "tlv-onion",
TLVOnionPayloadOptional: "tlv-onion",
StaticRemoteKeyOptional: "static-remote-key",
StaticRemoteKeyRequired: "static-remote-key",
PaymentAddrOptional: "payment-addr",
PaymentAddrRequired: "payment-addr",
MPPOptional: "multi-path-payments",
MPPRequired: "multi-path-payments",
AnchorsRequired: "anchor-commitments",
AnchorsOptional: "anchor-commitments",
AnchorsZeroFeeHtlcTxRequired: "anchors-zero-fee-htlc-tx",
AnchorsZeroFeeHtlcTxOptional: "anchors-zero-fee-htlc-tx",
WumboChannelsRequired: "wumbo-channels",
WumboChannelsOptional: "wumbo-channels",
AMPRequired: "amp",
AMPOptional: "amp",
PaymentMetadataOptional: "payment-metadata",
PaymentMetadataRequired: "payment-metadata",
ExplicitChannelTypeOptional: "explicit-commitment-type",
ExplicitChannelTypeRequired: "explicit-commitment-type",
KeysendOptional: "keysend",
KeysendRequired: "keysend",
ScriptEnforcedLeaseRequired: "script-enforced-lease",
ScriptEnforcedLeaseOptional: "script-enforced-lease",
ScidAliasRequired: "scid-alias",
ScidAliasOptional: "scid-alias",
ZeroConfRequired: "zero-conf",
ZeroConfOptional: "zero-conf",
ShutdownAnySegwitRequired: "shutdown-any-segwit",
ShutdownAnySegwitOptional: "shutdown-any-segwit",
SimpleTaprootChannelsRequiredFinal: "simple-taproot-chans",
SimpleTaprootChannelsOptionalFinal: "simple-taproot-chans",
SimpleTaprootChannelsRequiredStaging: "simple-taproot-chans-x",
SimpleTaprootChannelsOptionalStaging: "simple-taproot-chans-x",
}
// RawFeatureVector represents a set of feature bits as defined in BOLT-09. A