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invoicesrpc: remove invoicerpc server's access to ChannelGraph pointer

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Define a new GraphSource interface required by the invoicerpc server and
remove its access to the graphdb.ChannelGraph pointer. Add the new
invoicesrpc.GraphSource interface to the GraphSource interface
and let DBSource implement it.
This commit is contained in:
Elle Mouton
2024-11-11 16:43:38 +02:00
parent 9854bad720
commit 6f3d45f5d9
11 changed files with 124 additions and 60 deletions
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23
graph/sources/chan_graph.go
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@@ -5,6 +5,7 @@ import (
"fmt"
graphdb "github.com/lightningnetwork/lnd/graph/db"
"github.com/lightningnetwork/lnd/graph/db/models"
"github.com/lightningnetwork/lnd/graph/session"
"github.com/lightningnetwork/lnd/kvdb"
"github.com/lightningnetwork/lnd/lnwire"
@@ -82,6 +83,28 @@ func (s *DBSource) FetchNodeFeatures(_ context.Context, tx session.RTx,
return s.db.FetchNodeFeatures(kvdbTx, node)
}
// FetchChannelEdgesByID attempts to look up the two directed edges for the
// channel identified by the channel ID. If the channel can't be found, then
// graphdb.ErrEdgeNotFound is returned.
//
// NOTE: this is part of the invoicesrpc.GraphSource interface.
func (s *DBSource) FetchChannelEdgesByID(_ context.Context,
chanID uint64) (*models.ChannelEdgeInfo, *models.ChannelEdgePolicy,
*models.ChannelEdgePolicy, error) {
return s.db.FetchChannelEdgesByID(chanID)
}
// IsPublicNode determines whether the node with the given public key is seen as
// a public node in the graph from the graph's source node's point of view.
//
// NOTE: this is part of the invoicesrpc.GraphSource interface.
func (s *DBSource) IsPublicNode(_ context.Context,
pubKey [33]byte) (bool, error) {
return s.db.IsPublicNode(pubKey)
}
// kvdbRTx is an implementation of graphdb.RTx backed by a KVDB database read
// transaction.
type kvdbRTx struct {