From dc92cf377f52e5f165020ea5a8407a14d279264c Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Sat, 28 Feb 2026 14:14:53 -0800
Subject: store ark state

---
 test/e2e/ark-vault-snapshot.spec.ts | 62 +++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 test/e2e/ark-vault-snapshot.spec.ts

(limited to 'test')

diff --git a/test/e2e/ark-vault-snapshot.spec.ts b/test/e2e/ark-vault-snapshot.spec.ts
new file mode 100644
index 00000000..c2852d99
--- /dev/null
+++ b/test/e2e/ark-vault-snapshot.spec.ts
@@ -0,0 +1,62 @@
+import { expect, test } from "@playwright/test";
+import {
+  bobUsername,
+  bobPassword,
+  testSecret,
+  arkWalletPassword,
+  login,
+  ensureArkAccount,
+  createArkInvoiceViaUI,
+  sendArkFromTestEndpoint,
+  waitForInvoicePaid,
+} from "./helpers";
+
+test("ark vault snapshot is cached in localStorage after receiving funds", async ({ page }) => {
+  test.setTimeout(90_000);
+  test.skip(!testSecret, "E2E_TEST_SECRET is required for /test/ark/send");
+
+  await login(page, bobUsername, bobPassword);
+  await ensureArkAccount(page, arkWalletPassword);
+
+  await page.goto(`/${bobUsername}`);
+  await page.waitForLoadState("networkidle");
+
+  const { invoiceId, address } = await createArkInvoiceViaUI(page, arkWalletPassword);
+  console.log(`[e2e] Bob ark address: ${address}, invoice: ${invoiceId}`);
+
+  await sendArkFromTestEndpoint(page, address, 100, invoiceId);
+
+  const status = await waitForInvoicePaid(page, invoiceId, 100);
+  expect(status.received).toBeGreaterThanOrEqual(100);
+
+  // Poll localStorage for the snapshot (cacheVaultSnapshot is fire-and-forget)
+  // Snapshot is keyed by user ID: arkVaultSnapshot:<uid>
+  const snapshot = await page.evaluate(async () => {
+    for (let i = 0; i < 30; i++) {
+      for (let j = 0; j < localStorage.length; j++) {
+        const k = localStorage.key(j)!;
+        if (k.startsWith("arkVaultSnapshot")) {
+          return JSON.parse(localStorage.getItem(k)!);
+        }
+      }
+      await new Promise((r) => setTimeout(r, 1000));
+    }
+    return null;
+  });
+
+  expect(snapshot, "Snapshot should exist in localStorage").toBeTruthy();
+  expect(snapshot.version).toBe(1);
+  expect(snapshot.arkServerUrl).toBeTruthy();
+  expect(snapshot.arkInfoRaw).toBeTruthy();
+  expect(snapshot.arkInfoRaw.roundLifetime).toBeTruthy();
+  expect(Array.isArray(snapshot.vtxos)).toBe(true);
+  expect(snapshot.vtxos.length).toBeGreaterThanOrEqual(1);
+  expect(snapshot.vtxoChains).toBeTruthy();
+  expect(typeof snapshot.vtxoChains).toBe("object");
+  expect(snapshot.virtualTxs).toBeTruthy();
+  expect(typeof snapshot.virtualTxs).toBe("object");
+
+  console.log(
+    `[e2e] Snapshot cached: ${snapshot.vtxos.length} vtxos, ${Object.keys(snapshot.vtxoChains).length} chains, ${Object.keys(snapshot.virtualTxs).length} virtualTxs`,
+  );
+});
-- 
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