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aliasmgr: add map type alias

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Oliver Gugger 2024-08-09 15:12:41 +02:00
parent 4ef68512a9
commit 4757e891a2
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1 changed files with 8 additions and 4 deletions
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12
aliasmgr/aliasmgr.go
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@ -16,6 +16,10 @@ import (
// latest values of the alias manager. // latest values of the alias manager.
type UpdateLinkAliases func(shortID lnwire.ShortChannelID) error type UpdateLinkAliases func(shortID lnwire.ShortChannelID) error
// ScidAliasMap is a map from a base short channel ID to a set of alias short
// channel IDs.
type ScidAliasMap map[lnwire.ShortChannelID][]lnwire.ShortChannelID
var ( var (
// aliasBucket stores aliases as keys and their base SCIDs as values. // aliasBucket stores aliases as keys and their base SCIDs as values.
// This is used to populate the maps that the Manager uses. The keys // This is used to populate the maps that the Manager uses. The keys
@ -94,7 +98,7 @@ type Manager struct {
// baseToSet is a mapping from the "base" SCID to the set of aliases // baseToSet is a mapping from the "base" SCID to the set of aliases
// for this channel. This mapping includes all channels that // for this channel. This mapping includes all channels that
// negotiated the option-scid-alias feature bit. // negotiated the option-scid-alias feature bit.
baseToSet map[lnwire.ShortChannelID][]lnwire.ShortChannelID baseToSet ScidAliasMap
// aliasToBase is a mapping that maps all aliases for a given channel // aliasToBase is a mapping that maps all aliases for a given channel
// to its base SCID. This is only used for channels that have // to its base SCID. This is only used for channels that have
@ -117,10 +121,10 @@ func NewManager(db kvdb.Backend, linkAliasUpdater UpdateLinkAliases) (*Manager,
m := &Manager{ m := &Manager{
backend: db, backend: db,
baseToSet: make(ScidAliasMap),
linkAliasUpdater: linkAliasUpdater, linkAliasUpdater: linkAliasUpdater,
} }
m.baseToSet = make(map[lnwire.ShortChannelID][]lnwire.ShortChannelID)
m.aliasToBase = make(map[lnwire.ShortChannelID]lnwire.ShortChannelID) m.aliasToBase = make(map[lnwire.ShortChannelID]lnwire.ShortChannelID)
m.peerAlias = make(map[lnwire.ChannelID]lnwire.ShortChannelID) m.peerAlias = make(map[lnwire.ChannelID]lnwire.ShortChannelID)
@ -543,11 +547,11 @@ func (m *Manager) RequestAlias() (lnwire.ShortChannelID, error) {
// ListAliases returns a carbon copy of baseToSet. This is used by the rpc // ListAliases returns a carbon copy of baseToSet. This is used by the rpc
// layer. // layer.
func (m *Manager) ListAliases() map[lnwire.ShortChannelID][]lnwire.ShortChannelID { func (m *Manager) ListAliases() ScidAliasMap {
m.RLock() m.RLock()
defer m.RUnlock() defer m.RUnlock()
baseCopy := make(map[lnwire.ShortChannelID][]lnwire.ShortChannelID) baseCopy := make(ScidAliasMap)
for k, v := range m.baseToSet { for k, v := range m.baseToSet {
setCopy := make([]lnwire.ShortChannelID, len(v)) setCopy := make([]lnwire.ShortChannelID, len(v))