1 files changed, 22 insertions, 0 deletions
diff --git a/tools/ark-offline-init.test.js b/tools/ark-offline-init.test.js
new file mode 100644
index 0000000..922682d
--- /dev/null
+++ b/tools/ark-offline-init.test.js
@@ -0,0 +1,22 @@
+// bun test tools/ark-offline-init.test.js — the Ark server gone: with the
+// server's last published info in hand the manager still opens (coins read,
+// exits can start); without it, init fails as before.
+import { test, expect, mock } from 'bun:test';
+import * as proto from '../src/ark/proto.js';
+mock.module('../src/ark/proto.js', () => ({ ...proto,
+  getArkInfo: async () => { throw new Error('fetch failed'); },
+  handshake: async () => { throw new Error('fetch failed'); },
+}));
+const { ArkManager } = await import('../src/ark/manager.js');
+const serverPubkey = '02' + 'ab'.repeat(32);
+const hint = { serverPubkey, vtxoExpiryDelta: 8640, vtxoExitDelta: 144, refreshFees: { baseFeeSat: 300, ppmExpiryTable: [] }, offboardFees: { baseFeeSat: 0, fixedAdditionalVb: 0, ppmExpiryTable: [] }, lnSendFees: {}, lnReceiveFees: {} };
+const mk = (infoHint) => new ArkManager({ account: null, storage: { load: () => ({ v: 1, serverPubkey, vtxos: [], actions: [], movements: [], scheduled: [] }), save() {} }, arkUrl: 'http://x', esploraUrl: 'http://y', network: 'mainnet', infoHint });
+test('with cached info the manager opens offline', async () => {
+  const m = await mk(hint).init();
+  expect(m.offline).toBe(true);
+  expect(m.info.refreshFees.baseFeeSat).toBe(300);
+  expect(Buffer.from(m.serverPub).toString('hex')).toBe(serverPubkey);
+});
+test('without cached info the old failure stands', async () => {
+  await expect(mk(null).init()).rejects.toThrow('fetch failed');
+});