graph/db: convert other node CRUD methods

Convert a few more CRUD methods to handle v2 nodes. Then update some
more tests to be run against both v1 and v2 nodes.

graph/db/graph.go

@@ -618,13 +618,6 @@ func (c *ChannelGraph) ForEachNodeCacheable(ctx context.Context,
 	return c.db.ForEachNodeCacheable(ctx, cb, reset)
 }
 
-// LookupAlias attempts to return the alias as advertised by the target node.
-func (c *ChannelGraph) LookupAlias(ctx context.Context,
-	pub *btcec.PublicKey) (string, error) {
-
-	return c.db.LookupAlias(ctx, lnwire.GossipVersion1, pub)
-}
-
 // NodeUpdatesInHorizon returns all known lightning nodes with updates in the
 // range.
 func (c *ChannelGraph) NodeUpdatesInHorizon(startTime, endTime time.Time,
@@ -755,11 +748,6 @@ func (c *ChannelGraph) IsClosedScid(scid lnwire.ShortChannelID) (bool, error) {
 	return c.db.IsClosedScid(scid)
 }
 
-// SourceNode returns the source node of the graph.
-func (c *ChannelGraph) SourceNode(ctx context.Context) (*models.Node, error) {
-	return c.db.SourceNode(ctx, lnwire.GossipVersion1)
-}
-
 // SetSourceNode sets the source node within the graph database.
 func (c *ChannelGraph) SetSourceNode(ctx context.Context,
 	node *models.Node) error {
@@ -828,6 +816,20 @@ func (c *VersionedGraph) HasNode(ctx context.Context, nodePub [33]byte) (bool,
 	return c.db.HasNode(ctx, c.v, nodePub)
 }
 
+// LookupAlias attempts to return the alias as advertised by the target node.
+func (c *VersionedGraph) LookupAlias(ctx context.Context,
+	pub *btcec.PublicKey) (string, error) {
+
+	return c.db.LookupAlias(ctx, c.v, pub)
+}
+
+// SourceNode returns the source node of the graph.
+func (c *VersionedGraph) SourceNode(ctx context.Context) (*models.Node,
+	error) {
+
+	return c.db.SourceNode(ctx, c.v)
+}
+
 // MakeTestGraph creates a new instance of the ChannelGraph for testing
 // purposes. The backing Store implementation depends on the version of
 // NewTestDB included in the current build.

graph/db/graph_test.go

@@ -130,6 +130,14 @@ var versionedTests = []versionedTest{
 		name: "node crud",
 		test: testNodeInsertionAndDeletion,
 	},
+	{
+		name: "source node",
+		test: testSourceNode,
+	},
+	{
+		name: "alias lookup",
+		test: testAliasLookup,
+	},
 }
 
 // TestVersionedDBs runs various tests against both v1 and v2 versioned
@@ -414,16 +422,15 @@ func TestPartialNode(t *testing.T) {
 	require.ErrorIs(t, err, ErrGraphNodeNotFound)
 }
 
-// TestAliasLookup tests the alias lookup functionality of the graph store.
-func TestAliasLookup(t *testing.T) {
-	t.Parallel()
+// testAliasLookup tests the alias lookup functionality of the graph store.
+func testAliasLookup(t *testing.T, v lnwire.GossipVersion) {
 	ctx := t.Context()
 
-	graph := MakeTestGraph(t)
+	graph := NewVersionedGraph(MakeTestGraph(t), v)
 
 	// We'd like to test the alias index within the database, so first
 	// create a new test node.
-	testNode := createTestVertex(t, lnwire.GossipVersion1)
+	testNode := createTestVertex(t, v)
 
 	// Add the node to the graph's database, this should also insert an
 	// entry into the alias index for this node.
@@ -438,23 +445,23 @@ func TestAliasLookup(t *testing.T) {
 	require.Equal(t, testNode.Alias.UnwrapOr(""), dbAlias)
 
 	// Ensure that looking up a non-existent alias results in an error.
-	node := createTestVertex(t, lnwire.GossipVersion1)
+	node := createTestVertex(t, v)
 	nodePub, err = node.PubKey()
 	require.NoError(t, err, "unable to generate pubkey")
 	_, err = graph.LookupAlias(ctx, nodePub)
 	require.ErrorIs(t, err, ErrNodeAliasNotFound)
 }
 
-// TestSourceNode tests the source node functionality of the graph store.
-func TestSourceNode(t *testing.T) {
+// testSourceNode tests the source node functionality of the graph store.
+func testSourceNode(t *testing.T, v lnwire.GossipVersion) {
 	t.Parallel()
 	ctx := t.Context()
 
-	graph := MakeTestGraph(t)
+	graph := NewVersionedGraph(MakeTestGraph(t), v)
 
 	// We'd like to test the setting/getting of the source node, so we
 	// first create a fake node to use within the test.
-	testNode := createTestVertex(t, lnwire.GossipVersion1)
+	testNode := createTestVertex(t, v)
 
 	// Attempt to fetch the source node, this should return an error as the
 	// source node hasn't yet been set.

graph/db/sql_store.go

@@ -524,7 +524,7 @@ func (s *SQLStore) SourceNode(ctx context.Context,
 	err := s.db.ExecTx(ctx, sqldb.ReadTxOpt(), func(db SQLQueries) error {
 		_, nodePub, err := s.getSourceNode(ctx, db, v)
 		if err != nil {
-			return fmt.Errorf("unable to fetch V1 source node: %w",
+			return fmt.Errorf("unable to fetch source node: %w",
 				err)
 		}