# This is a combination of 8 commits.

# This is the 1st commit message:

[Delegations prereq] Use a verify.DB for delegation in client

Splitting up theupdateframework#175

# This is the commit message theupdateframework#2:

stash

# This is the commit message theupdateframework#3:

Add tests to make sure the top level targets 'delegation' edge has associated keys. Make NewDelegationsIterator return an error if the passed DB is missing the top level targets role

# This is the commit message theupdateframework#4:

[Delegations prereq] Make signers addressible by key ID in LocalStore

Splitting up theupdateframework#175

# This is the commit message theupdateframework#5:

Clarify naming

# This is the commit message theupdateframework#6:

Add local_store_test.go

# This is the commit message theupdateframework#7:

Another test case

# This is the commit message theupdateframework#8:

[Delegations prereq] Use a verify.DB for delegation in client

Splitting up theupdateframework#175

pkg/targets/delegation.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 
 	"github.com/theupdateframework/go-tuf/data"
+	"github.com/theupdateframework/go-tuf/internal/sets"
 	"github.com/theupdateframework/go-tuf/verify"
 )
 
@@ -24,12 +25,11 @@ var ErrTopLevelTargetsRoleMissing = errors.New("tuf: top level targets role miss
 // NewDelegationsIterator initialises an iterator with a first step
 // on top level targets.
 func NewDelegationsIterator(target string, topLevelKeysDB *verify.DB) *delegationsIterator {
-	// role := topLevelKeysDB.GetRole("targets")
+	role := topLevelKeysDB.GetRole("targets")
 	keyIDs := []string{}
-
-	// if role != nil {
-	// 	keyIDs = sets.StringSetToSlice(role.KeyIDs)
-	// }
+	if role != nil {
+		keyIDs = sets.StringSetToSlice(role.KeyIDs)
+	}
 
 	i := &delegationsIterator{
 		target: target,