akovalenko/lnd.xprv
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

routing: move generateBandwidthHints

Browse Source
This commit is contained in:
Joost Jager 2019-06-24 09:08:04 +02:00
parent 37e2751695
commit d31efddf1b
No known key found for this signature in database
GPG Key ID: A61B9D4C393C59C7
2 changed files with 35 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
routing/missioncontrol.go
View File

@ -133,40 +133,6 @@ func NewMissionControl(cfg *MissionControlConfig) *MissionControl {
} }
} }
// generateBandwidthHints is a helper function that's utilized the main
// findPath function in order to obtain hints from the lower layer w.r.t to the
// available bandwidth of edges on the network. Currently, we'll only obtain
// bandwidth hints for the edges we directly have open ourselves. Obtaining
// these hints allows us to reduce the number of extraneous attempts as we can
// skip channels that are inactive, or just don't have enough bandwidth to
// carry the payment.
func generateBandwidthHints(sourceNode *channeldb.LightningNode,
queryBandwidth func(*channeldb.ChannelEdgeInfo) lnwire.MilliSatoshi) (map[uint64]lnwire.MilliSatoshi, error) {
// First, we'll collect the set of outbound edges from the target
// source node.
var localChans []*channeldb.ChannelEdgeInfo
err := sourceNode.ForEachChannel(nil, func(tx *bbolt.Tx,
edgeInfo *channeldb.ChannelEdgeInfo,
_, _ *channeldb.ChannelEdgePolicy) error {
localChans = append(localChans, edgeInfo)
return nil
})
if err != nil {
return nil, err
}
// Now that we have all of our outbound edges, we'll populate the set
// of bandwidth hints, querying the lower switch layer for the most up
// to date values.
bandwidthHints := make(map[uint64]lnwire.MilliSatoshi)
for _, localChan := range localChans {
bandwidthHints[localChan.ChannelID] = queryBandwidth(localChan)
}
return bandwidthHints, nil
}
// ResetHistory resets the history of MissionControl returning it to a state as // ResetHistory resets the history of MissionControl returning it to a state as
// if no payment attempts have been made. // if no payment attempts have been made.

35
routing/router.go
View File

@ -2430,3 +2430,38 @@ func (r *ChannelRouter) IsStaleEdgePolicy(chanID lnwire.ShortChannelID,
func (r *ChannelRouter) MarkEdgeLive(chanID lnwire.ShortChannelID) error { func (r *ChannelRouter) MarkEdgeLive(chanID lnwire.ShortChannelID) error {
return r.cfg.Graph.MarkEdgeLive(chanID.ToUint64()) return r.cfg.Graph.MarkEdgeLive(chanID.ToUint64())
} }
// generateBandwidthHints is a helper function that's utilized the main
// findPath function in order to obtain hints from the lower layer w.r.t to the
// available bandwidth of edges on the network. Currently, we'll only obtain
// bandwidth hints for the edges we directly have open ourselves. Obtaining
// these hints allows us to reduce the number of extraneous attempts as we can
// skip channels that are inactive, or just don't have enough bandwidth to
// carry the payment.
func generateBandwidthHints(sourceNode *channeldb.LightningNode,
queryBandwidth func(*channeldb.ChannelEdgeInfo) lnwire.MilliSatoshi) (map[uint64]lnwire.MilliSatoshi, error) {
// First, we'll collect the set of outbound edges from the target
// source node.
var localChans []*channeldb.ChannelEdgeInfo
err := sourceNode.ForEachChannel(nil, func(tx *bbolt.Tx,
edgeInfo *channeldb.ChannelEdgeInfo,
_, _ *channeldb.ChannelEdgePolicy) error {
localChans = append(localChans, edgeInfo)
return nil
})
if err != nil {
return nil, err
}
// Now that we have all of our outbound edges, we'll populate the set
// of bandwidth hints, querying the lower switch layer for the most up
// to date values.
bandwidthHints := make(map[uint64]lnwire.MilliSatoshi)
for _, localChan := range localChans {
bandwidthHints[localChan.ChannelID] = queryBandwidth(localChan)
}
return bandwidthHints, nil
}