diff --git a/lib/shared/relationship-utils.js b/lib/shared/relationship-utils.js
--- a/lib/shared/relationship-utils.js
+++ b/lib/shared/relationship-utils.js
@@ -1,11 +1,15 @@
 // @flow
 
+import invariant from 'invariant';
+
 import {
   type RelationshipButton,
   type UserRelationshipStatus,
   userRelationshipStatus,
   relationshipButtons,
+  relationshipActions,
 } from '../types/relationship-types';
+import type { RelationshipAction } from '../types/relationship-types';
 import type { UserInfo } from '../types/user-types';
 
 function sortIDs(firstId: string, secondId: string): string[] {
@@ -51,8 +55,31 @@
   );
 }
 
+function getRelationshipDispatchAction(
+  relationshipButton: RelationshipButton,
+): RelationshipAction {
+  if (relationshipButton === relationshipButtons.BLOCK) {
+    return relationshipActions.BLOCK;
+  } else if (
+    relationshipButton === relationshipButtons.FRIEND ||
+    relationshipButton === relationshipButtons.ACCEPT
+  ) {
+    return relationshipActions.FRIEND;
+  } else if (
+    relationshipButton === relationshipButtons.UNFRIEND ||
+    relationshipButton === relationshipButtons.REJECT ||
+    relationshipButton === relationshipButtons.WITHDRAW
+  ) {
+    return relationshipActions.UNFRIEND;
+  } else if (relationshipButton === relationshipButtons.UNBLOCK) {
+    return relationshipActions.UNBLOCK;
+  }
+  invariant(false, 'relationshipButton conditions should be exhaustive');
+}
+
 export {
   sortIDs,
   getAvailableRelationshipButtons,
   relationshipBlockedInEitherDirection,
+  getRelationshipDispatchAction,
 };
diff --git a/native/chat/settings/thread-settings-edit-relationship.react.js b/native/chat/settings/thread-settings-edit-relationship.react.js
--- a/native/chat/settings/thread-settings-edit-relationship.react.js
+++ b/native/chat/settings/thread-settings-edit-relationship.react.js
@@ -8,12 +8,12 @@
   updateRelationships as serverUpdateRelationships,
   updateRelationshipsActionTypes,
 } from 'lib/actions/relationship-actions';
+import { getRelationshipDispatchAction } from 'lib/shared/relationship-utils';
 import { getSingleOtherUser } from 'lib/shared/thread-utils';
 import {
   type RelationshipAction,
   type RelationshipButton,
   relationshipButtons,
-  relationshipActions,
 } from 'lib/types/relationship-types';
 import type { ThreadInfo } from 'lib/types/thread-types';
 import {
@@ -63,25 +63,10 @@
     );
 
     const { relationshipButton } = props;
-    const relationshipAction = React.useMemo(() => {
-      if (relationshipButton === relationshipButtons.BLOCK) {
-        return relationshipActions.BLOCK;
-      } else if (
-        relationshipButton === relationshipButtons.FRIEND ||
-        relationshipButton === relationshipButtons.ACCEPT
-      ) {
-        return relationshipActions.FRIEND;
-      } else if (
-        relationshipButton === relationshipButtons.UNFRIEND ||
-        relationshipButton === relationshipButtons.REJECT ||
-        relationshipButton === relationshipButtons.WITHDRAW
-      ) {
-        return relationshipActions.UNFRIEND;
-      } else if (relationshipButton === relationshipButtons.UNBLOCK) {
-        return relationshipActions.UNBLOCK;
-      }
-      invariant(false, 'relationshipButton conditions should be exhaustive');
-    }, [relationshipButton]);
+    const relationshipAction = React.useMemo(
+      () => getRelationshipDispatchAction(relationshipButton),
+      [relationshipButton],
+    );
 
     const dispatchActionPromise = useDispatchActionPromise();
     const onButtonPress = React.useCallback(() => {