diff --git a/app/scripts/lib/transaction/smart-transactions-mocks.ts b/app/scripts/lib/transaction/smart-transactions-mocks.ts
new file mode 100644
index 000000000000..a54cbf540ec1
--- /dev/null
+++ b/app/scripts/lib/transaction/smart-transactions-mocks.ts
@@ -0,0 +1,23 @@
+export const mockWaitForTransactionHash: () => Promise<string> = () => {
+  return new Promise((resolve) => {
+    setTimeout(() => {
+      // Need a real tx hash to pass some downstream validation
+      resolve(
+        '0xe3e223b9725765a7de557effdb2b507ace3534bcff2c1fe3a857e0791e56a518',
+      );
+    }, 20_000_000);
+  });
+};
+
+export const mockSignAndSubmitTransactions: () => Promise<{
+  uuid: string;
+  txHash?: string;
+}> = () => {
+  return new Promise((resolve) => {
+    setTimeout(() => {
+      resolve({
+        uuid: 'uuid123456789',
+      });
+    }, 100);
+  });
+};