1 files changed, 30 insertions, 0 deletions
diff --git a/tools/sync-browser-harness.js b/tools/sync-browser-harness.js
new file mode 100644
index 0000000..9ec3a45
--- /dev/null
+++ b/tools/sync-browser-harness.js
@@ -0,0 +1,30 @@
+import { NostrSync, publishOn } from '../src/nostr.js';
+import { SyncOutbox } from '../src/sync-outbox.js';
+import { adoptArkSnapshot } from '../src/features/ark.js';
+import { sha256 } from '@noble/hashes/sha256';
+import { bytesToHex } from '@noble/hashes/utils';
+
+const identity = new NostrSync();
+identity.load('abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about');
+const relays = [location.origin.replace('http', 'ws') + '/relay'];
+identity.setRelays(relays);
+const outbox = new SyncOutbox({ storage: localStorage, send: (event, targets) => publishOn(targets, event) });
+const manager = {
+  state: { vtxos: [], movements: [], actions: [] },
+  _save() { document.body.textContent = String(this.state.vtxos.filter(v => v.state === 'spendable').reduce((n, v) => n + v.amountSat, 0)); },
+};
+window.syncTest = {
+  save(arkState) {
+    const dtag = 'bitcoin-wallet:x:browser-test:ark';
+    const state = { netName: 'mainnet', arkState };
+    outbox.enqueue({ pubkey: identity.pk, dtag, relays,
+      digest: bytesToHex(sha256(new TextEncoder().encode(JSON.stringify(state)))),
+      sign: timestamp => identity.stateEvent(state, dtag, timestamp) });
+  },
+  async restore() {
+    for (const s of await identity.fetchAllStates()) adoptArkSnapshot(manager, s.state.arkState);
+    return manager.state;
+  },
+  records: () => outbox.records().map(r => ({ acknowledged: r.acknowledged, id: r.event.id })),
+};
+outbox.wake();