fix stuttering StoreValueUnsetError

coordinator/store/etcdstore.go

@@ -73,7 +73,7 @@ func (s *EtcdStore) Get(request string) ([]byte, error) {
 		return nil, err
 	}
 	if values.Count == 0 {
-		return nil, &StoreValueUnsetError{requestedValue: request}
+		return nil, &ValueUnsetError{requestedValue: request}
 	}
 	if values.Count == 1 {
 		return values.Kvs[0].Value, nil
@@ -150,7 +150,7 @@ func (t *EtcdTransaction) Get(request string) ([]byte, error) {
 		return value, nil
 	}
 	if _, ok := t.dataDelete[request]; ok {
-		return nil, &StoreValueUnsetError{requestedValue: request}
+		return nil, &ValueUnsetError{requestedValue: request}
 	}
 	return t.store.Get(request)
 }

coordinator/store/stdstore.go

@@ -30,7 +30,7 @@ func (s *StdStore) Get(request string) ([]byte, error) {
 	if ok {
 		return []byte(value), nil
 	}
-	return nil, &StoreValueUnsetError{requestedValue: request}
+	return nil, &ValueUnsetError{requestedValue: request}
 }
 
 // Put saves a value in StdStore by Type and Name.
@@ -119,7 +119,7 @@ func (t *stdTransaction) Get(request string) ([]byte, error) {
 	if value, ok := t.data[request]; ok {
 		return []byte(value), nil
 	}
-	return nil, &StoreValueUnsetError{requestedValue: request}
+	return nil, &ValueUnsetError{requestedValue: request}
 }
 
 // Put saves a value.

coordinator/store/store.go

@@ -44,12 +44,12 @@ type Iterator interface {
 	HasNext() bool
 }
 
-// StoreValueUnsetError is an error raised by unset values in the store.
-type StoreValueUnsetError struct {
+// ValueUnsetError is an error raised by unset values in the store.
+type ValueUnsetError struct {
 	requestedValue string
 }
 
 // Error implements the Error interface.
-func (s *StoreValueUnsetError) Error() string {
+func (s *ValueUnsetError) Error() string {
 	return fmt.Sprintf("store: requested value not set: %s", s.requestedValue)
 }

coordinator/store/store_test.go

@@ -65,7 +65,7 @@ func testBasic(t *testing.T) {
 
 	_, err = store.Get("invalid:key")
 	assert.Error(err)
-	var unsetErr *StoreValueUnsetError
+	var unsetErr *ValueUnsetError
 	assert.ErrorAs(err, &unsetErr)
 	assert.NoError(store.Delete("test:input"))
 	assert.NoError(store.Delete("another:input"))

coordinator/storewrapper/storewrapper.go

@@ -107,7 +107,7 @@ func (s StoreWrapper) GetPeers() ([]peer.Peer, error) {
 // Should be called in a transaction together with Add/Remove operation(s).
 func (s StoreWrapper) IncrementPeersResourceVersion() error {
 	val, err := s.GetPeersResourceVersion()
-	var unsetErr *store.StoreValueUnsetError
+	var unsetErr *store.ValueUnsetError
 	if errors.As(err, &unsetErr) {
 		val = 0
 	} else if err != nil {