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routing: update graph traversal to use latest API

This commit is contained in:
Olaoluwa Osuntokun 2017-04-14 13:14:54 -07:00
parent b96b180b0b
commit 79807022a5
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GPG Key ID: 9CC5B105D03521A2
2 changed files with 10 additions and 4 deletions
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6
routing/pathfind.go
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@ -5,6 +5,7 @@ import (
"container/heap"
"github.com/boltdb/bolt"
"github.com/lightningnetwork/lnd/channeldb"
"github.com/roasbeef/btcd/btcec"
"github.com/roasbeef/btcd/chaincfg/chainhash"
@ -277,7 +278,7 @@ func findPath(graph *channeldb.ChannelGraph, sourceNode *channeldb.LightningNode
// map for the node set with a distance of "infinity". We also mark
// add the node to our set of unvisited nodes.
distance := make(map[vertex]nodeWithDist)
if err := graph.ForEachNode(func(node *channeldb.LightningNode) error {
if err := graph.ForEachNode(nil, func(_ *bolt.Tx, node *channeldb.LightningNode) error {
// TODO(roasbeef): with larger graph can just use disk seeks
// with a visited map
distance[newVertex(node.PubKey)] = nodeWithDist{
@ -323,7 +324,8 @@ func findPath(graph *channeldb.ChannelGraph, sourceNode *channeldb.LightningNode
// examine all the outgoing edge (channels) from this node to
// further our graph traversal.
pivot := newVertex(bestNode.PubKey)
err := bestNode.ForEachChannel(nil, func(edgeInfo *channeldb.ChannelEdgeInfo,
err := bestNode.ForEachChannel(nil, func(tx *bolt.Tx,
edgeInfo *channeldb.ChannelEdgeInfo,
edge *channeldb.ChannelEdgePolicy) error {
v := newVertex(edge.Node.PubKey)

8
routing/router.go
View File

@ -7,6 +7,7 @@ import (
"sync"
"sync/atomic"
"github.com/boltdb/bolt"
"github.com/davecgh/go-spew/spew"
"github.com/lightningnetwork/lnd/chainntnfs"
"github.com/lightningnetwork/lnd/channeldb"
@ -1057,7 +1058,9 @@ func (r *ChannelRouter) GetChannelByID(chanID lnwire.ShortChannelID) (
//
// NOTE: This method is part of the ChannelGraphSource interface.
func (r *ChannelRouter) ForEachNode(cb func(*channeldb.LightningNode) error) error {
return r.cfg.Graph.ForEachNode(cb)
return r.cfg.Graph.ForEachNode(nil, func(_ *bolt.Tx, n *channeldb.LightningNode) error {
return cb(n)
})
}
// ForAllOutgoingChannels is used to iterate over all outgiong channel owned by
@ -1066,8 +1069,9 @@ func (r *ChannelRouter) ForEachNode(cb func(*channeldb.LightningNode) error) err
// NOTE: This method is part of the ChannelGraphSource interface.
func (r *ChannelRouter) ForAllOutgoingChannels(cb func(c *channeldb.ChannelEdgePolicy) error) error {
return r.selfNode.ForEachChannel(nil, func(_ *channeldb.ChannelEdgeInfo,
return r.selfNode.ForEachChannel(nil, func(_ *bolt.Tx, _ *channeldb.ChannelEdgeInfo,
c *channeldb.ChannelEdgePolicy) error {
return cb(c)
})
}