universe: rename BaseBackend.MintingLeaves to FetchLeaves

Renamed method to better reflect its broader usage. It now applies
to both issuance proof leaves and transfer proof leaves.

Author: ffranr

tapdb/universe.go

@@ -1050,8 +1050,8 @@ func (b *BaseUniverseTree) MintingKeys(ctx context.Context,
 	return leafKeys, nil
 }
 
-// MintingLeaves returns all the minting leaves inserted into the universe.
-func (b *BaseUniverseTree) MintingLeaves(
+// FetchLeaves retrieves all leaves from the universe tree.
+func (b *BaseUniverseTree) FetchLeaves(
 	ctx context.Context) ([]universe.Leaf, error) {
 
 	var leaves []universe.Leaf

tapdb/universe_test.go

@@ -378,7 +378,7 @@ func TestUniverseIssuanceProofs(t *testing.T) {
 
 	// We should be able to query for the complete set of leaves,
 	// which matches what we inserted above.
-	dbLeaves, err := baseUniverse.MintingLeaves(ctx)
+	dbLeaves, err := baseUniverse.FetchLeaves(ctx)
 	require.NoError(t, err)
 	require.Equal(t, numLeaves, len(dbLeaves))
 	require.True(t, fn.All(dbLeaves, func(leaf universe.Leaf) bool {
@@ -441,7 +441,7 @@ func TestUniverseIssuanceProofs(t *testing.T) {
 	require.NoError(t, err)
 	require.Len(t, mintingKeys, 0)
 
-	dbLeaves, err = baseUniverse.MintingLeaves(ctx)
+	dbLeaves, err = baseUniverse.FetchLeaves(ctx)
 	require.NoError(t, err)
 	require.Len(t, dbLeaves, 0)
 

universe/archive.go

@@ -706,7 +706,7 @@ func (a *Archive) FetchLeaves(ctx context.Context,
 
 	return withUni(
 		a, id, func(uni BaseBackend) ([]Leaf, error) {
-			return uni.MintingLeaves(ctx)
+			return uni.FetchLeaves(ctx)
 		},
 	)
 }

universe/interface.go

@@ -427,9 +427,8 @@ type BaseBackend interface {
 	MintingKeys(ctx context.Context,
 		q UniverseLeafKeysQuery) ([]LeafKey, error)
 
-	// MintingLeaves returns all the minting leaves inserted into the
-	// universe.
-	MintingLeaves(ctx context.Context) ([]Leaf, error)
+	// FetchLeaves retrieves all leaves from the universe tree.
+	FetchLeaves(ctx context.Context) ([]Leaf, error)
 
 	// DeleteUniverse deletes all leaves, and the root, for a given base
 	// universe.