mirror of
https://github.com/lightningnetwork/lnd.git
synced 2025-11-30 16:10:01 +01:00
graph/db+sqldb: impl ForEachNodeCached and ForEachChannel
Which let's us run `TestGraphTraversal` against our SQL backends.
This commit is contained in:
Elle Mouton
@@ -1277,7 +1277,7 @@ func TestForEachSourceNodeChannel(t *testing.T) {
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func TestGraphTraversal(t *testing.T) {
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t.Parallel()
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graph := MakeTestGraph(t)
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graph := MakeTestGraphNew(t)
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// We'd like to test some of the graph traversal capabilities within
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// the DB, so we'll create a series of fake nodes to insert into the
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@@ -90,6 +90,7 @@ type SQLQueries interface {
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GetChannelFeaturesAndExtras(ctx context.Context, channelID int64) ([]sqlc.GetChannelFeaturesAndExtrasRow, error)
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HighestSCID(ctx context.Context, version int16) ([]byte, error)
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ListChannelsByNodeID(ctx context.Context, arg sqlc.ListChannelsByNodeIDParams) ([]sqlc.ListChannelsByNodeIDRow, error)
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ListChannelsWithPoliciesPaginated(ctx context.Context, arg sqlc.ListChannelsWithPoliciesPaginatedParams) ([]sqlc.ListChannelsWithPoliciesPaginatedRow, error)
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GetChannelsByPolicyLastUpdateRange(ctx context.Context, arg sqlc.GetChannelsByPolicyLastUpdateRangeParams) ([]sqlc.GetChannelsByPolicyLastUpdateRangeRow, error)
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CreateChannelExtraType(ctx context.Context, arg sqlc.CreateChannelExtraTypeParams) error
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@@ -1044,6 +1045,223 @@ func (s *SQLStore) ChanUpdatesInHorizon(startTime,
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return edges, nil
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}
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// ForEachNodeCached is similar to forEachNode, but it returns DirectedChannel
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// data to the call-back.
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//
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// NOTE: The callback contents MUST not be modified.
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//
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// NOTE: part of the V1Store interface.
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func (s *SQLStore) ForEachNodeCached(cb func(node route.Vertex,
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chans map[uint64]*DirectedChannel) error) error {
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var ctx = context.TODO()
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return s.db.ExecTx(ctx, sqldb.ReadTxOpt(), func(db SQLQueries) error {
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return forEachNodeCacheable(ctx, db, func(nodeID int64,
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nodePub route.Vertex) error {
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features, err := getNodeFeatures(ctx, db, nodeID)
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if err != nil {
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return fmt.Errorf("unable to fetch "+
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"node(id=%d) features: %w", nodeID, err)
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}
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toNodeCallback := func() route.Vertex {
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return nodePub
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}
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rows, err := db.ListChannelsByNodeID(
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ctx, sqlc.ListChannelsByNodeIDParams{
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Version: int16(ProtocolV1),
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NodeID1: nodeID,
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},
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)
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if err != nil {
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return fmt.Errorf("unable to fetch channels "+
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"of node(id=%d): %w", nodeID, err)
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}
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channels := make(map[uint64]*DirectedChannel, len(rows))
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for _, row := range rows {
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node1, node2, err := buildNodeVertices(
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row.Node1Pubkey, row.Node2Pubkey,
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)
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if err != nil {
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return err
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}
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e, err := getAndBuildEdgeInfo(
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ctx, db, s.cfg.ChainHash,
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row.Channel.ID, row.Channel, node1,
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node2,
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)
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if err != nil {
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return fmt.Errorf("unable to build "+
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"channel info: %w", err)
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}
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dbPol1, dbPol2, err := extractChannelPolicies(
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row,
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)
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if err != nil {
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return fmt.Errorf("unable to "+
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"extract channel "+
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"policies: %w", err)
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}
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p1, p2, err := getAndBuildChanPolicies(
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ctx, db, dbPol1, dbPol2, e.ChannelID,
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node1, node2,
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)
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if err != nil {
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return fmt.Errorf("unable to "+
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"build channel policies: %w",
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err)
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}
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// Determine the outgoing and incoming policy
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// for this channel and node combo.
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outPolicy, inPolicy := p1, p2
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if p1 != nil && p1.ToNode == nodePub {
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outPolicy, inPolicy = p2, p1
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} else if p2 != nil && p2.ToNode != nodePub {
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outPolicy, inPolicy = p2, p1
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}
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var cachedInPolicy *models.CachedEdgePolicy
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if inPolicy != nil {
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cachedInPolicy = models.NewCachedPolicy(
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p2,
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)
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cachedInPolicy.ToNodePubKey =
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toNodeCallback
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cachedInPolicy.ToNodeFeatures =
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features
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}
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var inboundFee lnwire.Fee
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outPolicy.InboundFee.WhenSome(
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func(fee lnwire.Fee) {
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inboundFee = fee
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},
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)
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directedChannel := &DirectedChannel{
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ChannelID: e.ChannelID,
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IsNode1: nodePub ==
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e.NodeKey1Bytes,
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OtherNode: e.NodeKey2Bytes,
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Capacity: e.Capacity,
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OutPolicySet: p1 != nil,
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InPolicy: cachedInPolicy,
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InboundFee: inboundFee,
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}
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if nodePub == e.NodeKey2Bytes {
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directedChannel.OtherNode =
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e.NodeKey1Bytes
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}
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channels[e.ChannelID] = directedChannel
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}
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return cb(nodePub, channels)
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})
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}, sqldb.NoOpReset)
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}
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// ForEachChannel iterates through all the channel edges stored within the
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// graph and invokes the passed callback for each edge. The callback takes two
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// edges as since this is a directed graph, both the in/out edges are visited.
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// If the callback returns an error, then the transaction is aborted and the
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// iteration stops early.
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//
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// NOTE: If an edge can't be found, or wasn't advertised, then a nil pointer
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// for that particular channel edge routing policy will be passed into the
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// callback.
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//
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// NOTE: part of the V1Store interface.
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func (s *SQLStore) ForEachChannel(cb func(*models.ChannelEdgeInfo,
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*models.ChannelEdgePolicy, *models.ChannelEdgePolicy) error) error {
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ctx := context.TODO()
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handleChannel := func(db SQLQueries,
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row sqlc.ListChannelsWithPoliciesPaginatedRow) error {
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node1, node2, err := buildNodeVertices(
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row.Node1Pubkey, row.Node2Pubkey,
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)
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if err != nil {
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return fmt.Errorf("unable to build node vertices: %w",
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err)
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}
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edge, err := getAndBuildEdgeInfo(
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ctx, db, s.cfg.ChainHash, row.Channel.ID, row.Channel,
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node1, node2,
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)
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if err != nil {
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return fmt.Errorf("unable to build channel info: %w",
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err)
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}
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dbPol1, dbPol2, err := extractChannelPolicies(row)
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if err != nil {
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return fmt.Errorf("unable to extract channel "+
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"policies: %w", err)
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}
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p1, p2, err := getAndBuildChanPolicies(
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ctx, db, dbPol1, dbPol2, edge.ChannelID, node1, node2,
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)
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if err != nil {
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return fmt.Errorf("unable to build channel "+
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"policies: %w", err)
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}
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err = cb(edge, p1, p2)
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if err != nil {
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return fmt.Errorf("callback failed for channel "+
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"id=%d: %w", edge.ChannelID, err)
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}
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return nil
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}
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return s.db.ExecTx(ctx, sqldb.ReadTxOpt(), func(db SQLQueries) error {
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var lastID int64
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for {
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//nolint:ll
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rows, err := db.ListChannelsWithPoliciesPaginated(
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ctx, sqlc.ListChannelsWithPoliciesPaginatedParams{
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Version: int16(ProtocolV1),
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ID: lastID,
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Limit: pageSize,
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},
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)
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if err != nil {
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return err
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}
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if len(rows) == 0 {
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break
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}
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for _, row := range rows {
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err := handleChannel(db, row)
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if err != nil {
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return err
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}
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lastID = row.Channel.ID
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}
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}
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return nil
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}, sqldb.NoOpReset)
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}
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// forEachNodeDirectedChannel iterates through all channels of a given
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// node, executing the passed callback on the directed edge representing the
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// channel and its incoming policy. If the node is not found, no error is
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@@ -2525,6 +2743,46 @@ func extractChannelPolicies(row any) (*sqlc.ChannelPolicy, *sqlc.ChannelPolicy,
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}
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}
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return policy1, policy2, nil
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case sqlc.ListChannelsWithPoliciesPaginatedRow:
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if r.Policy1ID.Valid {
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policy1 = &sqlc.ChannelPolicy{
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ID: r.Policy1ID.Int64,
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Version: r.Policy1Version.Int16,
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ChannelID: r.Channel.ID,
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NodeID: r.Policy1NodeID.Int64,
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Timelock: r.Policy1Timelock.Int32,
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FeePpm: r.Policy1FeePpm.Int64,
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BaseFeeMsat: r.Policy1BaseFeeMsat.Int64,
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MinHtlcMsat: r.Policy1MinHtlcMsat.Int64,
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MaxHtlcMsat: r.Policy1MaxHtlcMsat,
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LastUpdate: r.Policy1LastUpdate,
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InboundBaseFeeMsat: r.Policy1InboundBaseFeeMsat,
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InboundFeeRateMilliMsat: r.Policy1InboundFeeRateMilliMsat,
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Disabled: r.Policy1Disabled,
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Signature: r.Policy1Signature,
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}
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}
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if r.Policy2ID.Valid {
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policy2 = &sqlc.ChannelPolicy{
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ID: r.Policy2ID.Int64,
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Version: r.Policy2Version.Int16,
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ChannelID: r.Channel.ID,
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NodeID: r.Policy2NodeID.Int64,
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Timelock: r.Policy2Timelock.Int32,
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FeePpm: r.Policy2FeePpm.Int64,
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BaseFeeMsat: r.Policy2BaseFeeMsat.Int64,
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MinHtlcMsat: r.Policy2MinHtlcMsat.Int64,
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MaxHtlcMsat: r.Policy2MaxHtlcMsat,
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LastUpdate: r.Policy2LastUpdate,
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InboundBaseFeeMsat: r.Policy2InboundBaseFeeMsat,
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InboundFeeRateMilliMsat: r.Policy2InboundFeeRateMilliMsat,
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Disabled: r.Policy2Disabled,
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Signature: r.Policy2Signature,
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}
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}
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return policy1, policy2, nil
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default:
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return nil, nil, fmt.Errorf("unexpected row type in "+
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@@ -1070,6 +1070,159 @@ func (q *Queries) ListChannelsByNodeID(ctx context.Context, arg ListChannelsByNo
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return items, nil
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}
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const listChannelsWithPoliciesPaginated = `-- name: ListChannelsWithPoliciesPaginated :many
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SELECT
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c.id, c.version, c.scid, c.node_id_1, c.node_id_2, c.outpoint, c.capacity, c.bitcoin_key_1, c.bitcoin_key_2, c.node_1_signature, c.node_2_signature, c.bitcoin_1_signature, c.bitcoin_2_signature,
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-- Join node pubkeys
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n1.pub_key AS node1_pubkey,
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n2.pub_key AS node2_pubkey,
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-- Node 1 policy
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cp1.id AS policy_1_id,
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cp1.node_id AS policy_1_node_id,
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cp1.version AS policy_1_version,
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cp1.timelock AS policy_1_timelock,
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cp1.fee_ppm AS policy_1_fee_ppm,
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cp1.base_fee_msat AS policy_1_base_fee_msat,
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cp1.min_htlc_msat AS policy_1_min_htlc_msat,
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cp1.max_htlc_msat AS policy_1_max_htlc_msat,
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cp1.last_update AS policy_1_last_update,
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cp1.disabled AS policy_1_disabled,
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cp1.inbound_base_fee_msat AS policy1_inbound_base_fee_msat,
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cp1.inbound_fee_rate_milli_msat AS policy1_inbound_fee_rate_milli_msat,
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cp1.signature AS policy_1_signature,
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-- Node 2 policy
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cp2.id AS policy_2_id,
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cp2.node_id AS policy_2_node_id,
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cp2.version AS policy_2_version,
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cp2.timelock AS policy_2_timelock,
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cp2.fee_ppm AS policy_2_fee_ppm,
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cp2.base_fee_msat AS policy_2_base_fee_msat,
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cp2.min_htlc_msat AS policy_2_min_htlc_msat,
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cp2.max_htlc_msat AS policy_2_max_htlc_msat,
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cp2.last_update AS policy_2_last_update,
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cp2.disabled AS policy_2_disabled,
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cp2.inbound_base_fee_msat AS policy2_inbound_base_fee_msat,
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cp2.inbound_fee_rate_milli_msat AS policy2_inbound_fee_rate_milli_msat,
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cp2.signature AS policy_2_signature
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FROM channels c
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JOIN nodes n1 ON c.node_id_1 = n1.id
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JOIN nodes n2 ON c.node_id_2 = n2.id
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LEFT JOIN channel_policies cp1
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ON cp1.channel_id = c.id AND cp1.node_id = c.node_id_1 AND cp1.version = c.version
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LEFT JOIN channel_policies cp2
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ON cp2.channel_id = c.id AND cp2.node_id = c.node_id_2 AND cp2.version = c.version
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WHERE c.version = $1 AND c.id > $2
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ORDER BY c.id
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LIMIT $3
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`
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type ListChannelsWithPoliciesPaginatedParams struct {
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Version int16
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ID int64
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Limit int32
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}
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type ListChannelsWithPoliciesPaginatedRow struct {
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Channel Channel
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Node1Pubkey []byte
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Node2Pubkey []byte
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Policy1ID sql.NullInt64
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Policy1NodeID sql.NullInt64
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Policy1Version sql.NullInt16
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Policy1Timelock sql.NullInt32
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Policy1FeePpm sql.NullInt64
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Policy1BaseFeeMsat sql.NullInt64
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Policy1MinHtlcMsat sql.NullInt64
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Policy1MaxHtlcMsat sql.NullInt64
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Policy1LastUpdate sql.NullInt64
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Policy1Disabled sql.NullBool
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Policy1InboundBaseFeeMsat sql.NullInt64
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Policy1InboundFeeRateMilliMsat sql.NullInt64
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Policy1Signature []byte
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Policy2ID sql.NullInt64
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Policy2NodeID sql.NullInt64
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Policy2Version sql.NullInt16
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Policy2Timelock sql.NullInt32
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Policy2FeePpm sql.NullInt64
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Policy2BaseFeeMsat sql.NullInt64
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Policy2MinHtlcMsat sql.NullInt64
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Policy2MaxHtlcMsat sql.NullInt64
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Policy2LastUpdate sql.NullInt64
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Policy2Disabled sql.NullBool
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Policy2InboundBaseFeeMsat sql.NullInt64
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Policy2InboundFeeRateMilliMsat sql.NullInt64
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Policy2Signature []byte
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}
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func (q *Queries) ListChannelsWithPoliciesPaginated(ctx context.Context, arg ListChannelsWithPoliciesPaginatedParams) ([]ListChannelsWithPoliciesPaginatedRow, error) {
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rows, err := q.db.QueryContext(ctx, listChannelsWithPoliciesPaginated, arg.Version, arg.ID, arg.Limit)
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if err != nil {
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return nil, err
|
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}
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defer rows.Close()
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var items []ListChannelsWithPoliciesPaginatedRow
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for rows.Next() {
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var i ListChannelsWithPoliciesPaginatedRow
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if err := rows.Scan(
|
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&i.Channel.ID,
|
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&i.Channel.Version,
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&i.Channel.Scid,
|
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&i.Channel.NodeID1,
|
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&i.Channel.NodeID2,
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&i.Channel.Outpoint,
|
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&i.Channel.Capacity,
|
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&i.Channel.BitcoinKey1,
|
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&i.Channel.BitcoinKey2,
|
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&i.Channel.Node1Signature,
|
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&i.Channel.Node2Signature,
|
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&i.Channel.Bitcoin1Signature,
|
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&i.Channel.Bitcoin2Signature,
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&i.Node1Pubkey,
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&i.Node2Pubkey,
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&i.Policy1ID,
|
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&i.Policy1NodeID,
|
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&i.Policy1Version,
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&i.Policy1Timelock,
|
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&i.Policy1FeePpm,
|
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&i.Policy1BaseFeeMsat,
|
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&i.Policy1MinHtlcMsat,
|
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&i.Policy1MaxHtlcMsat,
|
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&i.Policy1LastUpdate,
|
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&i.Policy1Disabled,
|
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&i.Policy1InboundBaseFeeMsat,
|
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&i.Policy1InboundFeeRateMilliMsat,
|
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&i.Policy1Signature,
|
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&i.Policy2ID,
|
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&i.Policy2NodeID,
|
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&i.Policy2Version,
|
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&i.Policy2Timelock,
|
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&i.Policy2FeePpm,
|
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&i.Policy2BaseFeeMsat,
|
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&i.Policy2MinHtlcMsat,
|
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&i.Policy2MaxHtlcMsat,
|
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&i.Policy2LastUpdate,
|
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&i.Policy2Disabled,
|
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&i.Policy2InboundBaseFeeMsat,
|
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&i.Policy2InboundFeeRateMilliMsat,
|
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&i.Policy2Signature,
|
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); err != nil {
|
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return nil, err
|
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}
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items = append(items, i)
|
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}
|
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if err := rows.Close(); err != nil {
|
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return nil, err
|
||||
}
|
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if err := rows.Err(); err != nil {
|
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return nil, err
|
||||
}
|
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return items, nil
|
||||
}
|
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|
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const listNodeIDsAndPubKeys = `-- name: ListNodeIDsAndPubKeys :many
|
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SELECT id, pub_key
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FROM nodes
|
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|
||||
@@ -66,6 +66,7 @@ type Querier interface {
|
||||
InsertNodeAddress(ctx context.Context, arg InsertNodeAddressParams) error
|
||||
InsertNodeFeature(ctx context.Context, arg InsertNodeFeatureParams) error
|
||||
ListChannelsByNodeID(ctx context.Context, arg ListChannelsByNodeIDParams) ([]ListChannelsByNodeIDRow, error)
|
||||
ListChannelsWithPoliciesPaginated(ctx context.Context, arg ListChannelsWithPoliciesPaginatedParams) ([]ListChannelsWithPoliciesPaginatedRow, error)
|
||||
ListNodeIDsAndPubKeys(ctx context.Context, arg ListNodeIDsAndPubKeysParams) ([]ListNodeIDsAndPubKeysRow, error)
|
||||
ListNodesPaginated(ctx context.Context, arg ListNodesPaginatedParams) ([]Node, error)
|
||||
NextInvoiceSettleIndex(ctx context.Context) (int64, error)
|
||||
|
||||
@@ -317,6 +317,55 @@ FROM channels c
|
||||
WHERE c.version = $1
|
||||
AND (c.node_id_1 = $2 OR c.node_id_2 = $2);
|
||||
|
||||
-- name: ListChannelsWithPoliciesPaginated :many
|
||||
SELECT
|
||||
sqlc.embed(c),
|
||||
|
||||
-- Join node pubkeys
|
||||
n1.pub_key AS node1_pubkey,
|
||||
n2.pub_key AS node2_pubkey,
|
||||
|
||||
-- Node 1 policy
|
||||
cp1.id AS policy_1_id,
|
||||
cp1.node_id AS policy_1_node_id,
|
||||
cp1.version AS policy_1_version,
|
||||
cp1.timelock AS policy_1_timelock,
|
||||
cp1.fee_ppm AS policy_1_fee_ppm,
|
||||
cp1.base_fee_msat AS policy_1_base_fee_msat,
|
||||
cp1.min_htlc_msat AS policy_1_min_htlc_msat,
|
||||
cp1.max_htlc_msat AS policy_1_max_htlc_msat,
|
||||
cp1.last_update AS policy_1_last_update,
|
||||
cp1.disabled AS policy_1_disabled,
|
||||
cp1.inbound_base_fee_msat AS policy1_inbound_base_fee_msat,
|
||||
cp1.inbound_fee_rate_milli_msat AS policy1_inbound_fee_rate_milli_msat,
|
||||
cp1.signature AS policy_1_signature,
|
||||
|
||||
-- Node 2 policy
|
||||
cp2.id AS policy_2_id,
|
||||
cp2.node_id AS policy_2_node_id,
|
||||
cp2.version AS policy_2_version,
|
||||
cp2.timelock AS policy_2_timelock,
|
||||
cp2.fee_ppm AS policy_2_fee_ppm,
|
||||
cp2.base_fee_msat AS policy_2_base_fee_msat,
|
||||
cp2.min_htlc_msat AS policy_2_min_htlc_msat,
|
||||
cp2.max_htlc_msat AS policy_2_max_htlc_msat,
|
||||
cp2.last_update AS policy_2_last_update,
|
||||
cp2.disabled AS policy_2_disabled,
|
||||
cp2.inbound_base_fee_msat AS policy2_inbound_base_fee_msat,
|
||||
cp2.inbound_fee_rate_milli_msat AS policy2_inbound_fee_rate_milli_msat,
|
||||
cp2.signature AS policy_2_signature
|
||||
|
||||
FROM channels c
|
||||
JOIN nodes n1 ON c.node_id_1 = n1.id
|
||||
JOIN nodes n2 ON c.node_id_2 = n2.id
|
||||
LEFT JOIN channel_policies cp1
|
||||
ON cp1.channel_id = c.id AND cp1.node_id = c.node_id_1 AND cp1.version = c.version
|
||||
LEFT JOIN channel_policies cp2
|
||||
ON cp2.channel_id = c.id AND cp2.node_id = c.node_id_2 AND cp2.version = c.version
|
||||
WHERE c.version = $1 AND c.id > $2
|
||||
ORDER BY c.id
|
||||
LIMIT $3;
|
||||
|
||||
/* ─────────────────────────────────────────────
|
||||
channel_features table queries
|
||||
─────────────────────────────────────────────
|
||||
|
||||
Reference in New Issue
Block a user