discovery/syncer: move CGTimeSerires to chan_series

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Conner Fromknecht 2018-11-30 15:33:28 -08:00
parent 1c81a8fad6
commit 5fc0a192ad
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@ -107,56 +107,6 @@ const (
chanRangeQueryBuffer = 144
)
// ChannelGraphTimeSeries is an interface that provides time and block based
// querying into our view of the channel graph. New channels will have
// monotonically increasing block heights, and new channel updates will have
// increasing timestamps. Once we connect to a peer, we'll use the methods in
// this interface to determine if we're already in sync, or need to request
// some new information from them.
type ChannelGraphTimeSeries interface {
// HighestChanID should return the channel ID of the channel we know of
// that's furthest in the target chain. This channel will have a block
// height that's close to the current tip of the main chain as we
// know it. We'll use this to start our QueryChannelRange dance with
// the remote node.
HighestChanID(chain chainhash.Hash) (*lnwire.ShortChannelID, error)
// UpdatesInHorizon returns all known channel and node updates with an
// update timestamp between the start time and end time. We'll use this
// to catch up a remote node to the set of channel updates that they
// may have missed out on within the target chain.
UpdatesInHorizon(chain chainhash.Hash,
startTime time.Time, endTime time.Time) ([]lnwire.Message, error)
// FilterKnownChanIDs takes a target chain, and a set of channel ID's,
// and returns a filtered set of chan ID's. This filtered set of chan
// ID's represents the ID's that we don't know of which were in the
// passed superSet.
FilterKnownChanIDs(chain chainhash.Hash,
superSet []lnwire.ShortChannelID) ([]lnwire.ShortChannelID, error)
// FilterChannelRange returns the set of channels that we created
// between the start height and the end height. We'll use this to to a
// remote peer's QueryChannelRange message.
FilterChannelRange(chain chainhash.Hash,
startHeight, endHeight uint32) ([]lnwire.ShortChannelID, error)
// FetchChanAnns returns a full set of channel announcements as well as
// their updates that match the set of specified short channel ID's.
// We'll use this to reply to a QueryShortChanIDs message sent by a
// remote peer. The response will contain a unique set of
// ChannelAnnouncements, the latest ChannelUpdate for each of the
// announcements, and a unique set of NodeAnnouncements.
FetchChanAnns(chain chainhash.Hash,
shortChanIDs []lnwire.ShortChannelID) ([]lnwire.Message, error)
// FetchChanUpdates returns the latest channel update messages for the
// specified short channel ID. If no channel updates are known for the
// channel, then an empty slice will be returned.
FetchChanUpdates(chain chainhash.Hash,
shortChanID lnwire.ShortChannelID) ([]*lnwire.ChannelUpdate, error)
}
// gossipSyncerCfg is a struct that packages all the information a gossipSyncer
// needs to carry out its duties.
type gossipSyncerCfg struct {