From 190c13a338462a7a76ee65e9486e42c0165a65f4 Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Fri, 3 Jul 2026 15:08:26 -0700
Subject: Ark: wire into the wallet UI

- Settings: Ark server card (off by default, per-network presets incl.
  Second mainnet + local regtest, custom URLs) with balance, coin count,
  board form (on-chain -> Ark; funding output pinned to vout 0 via the
  new buildTx noSort option), refresh/consolidate, and recent activity.
- Receive: Ark option in the address-type dropdown (QR + copy).
- Send: t?ark1 addresses are recognized in the normal send form and
  route to an Ark confirmation (no mining fee) with a success view.
- Balance card: Ark balance line under the on-chain figure.
- ArkManager lifecycle: per-wallet instance created on account
  activation, background sync every 5s (regtest) / 30s, state persisted
  under the wallet cache key.

Verified end-to-end in a real browser (tools/ark/ui-test.js, puppeteer
against the regtest stack): receive, send, board, and refresh all green.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QFAcD4V284DvYZZHP7Rxxy
---
 src/wallet.js | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

(limited to 'src/wallet.js')

diff --git a/src/wallet.js b/src/wallet.js
index 1972f22..156d2f4 100644
--- a/src/wallet.js
+++ b/src/wallet.js
@@ -1191,7 +1191,7 @@ export class Wallet {
   // recipients: [{ address, amount(sats) }]
   // coinIds: optional array of "txid:vout" to force manual coin control.
   // sendMax: drain all selected coins to the single recipient.
-  buildTx({ recipients, feeRate, coinIds = null, sendMax = false }) {
+  buildTx({ recipients, feeRate, coinIds = null, sendMax = false, noSort = false }) {
     const pool_ = coinIds
       ? this.utxos.filter((u) => coinIds.includes(utxoId(u)))
       : this.utxos.filter((u) => !this.isReserved(utxoId(u))); // skip coins set aside for gifts
@@ -1282,7 +1282,10 @@ export class Wallet {
       feePerByte,
       network: this.netCfg.net,
       createTx: true,
-        bip69: true,
+        // noSort keeps recipients at their given indexes (change appended last) —
+        // required when an output's position is protocol-relevant (Ark board
+        // funding must sit at vout 0).
+        bip69: !noSort,
         disableScriptCheck: true,
     });
     if (!sel || !sel.tx)
@@ -1533,6 +1536,17 @@ export class Wallet {
     try { localStorage.setItem(this._reclaimedKey(), JSON.stringify([...this.reclaimedSet()])); } catch {}
   }
 
+  // ---- Ark support -------------------------------------------------------
+  // Persisted ArkManager state (vtxos, in-flight action checkpoints, movement
+  // history — no secrets: vtxo keys are re-derived from the seed).
+  _arkKey() { return this._cacheKey() + ':ark'; }
+  loadArkState() {
+    try { return JSON.parse(localStorage.getItem(this._arkKey()) || 'null'); } catch { return null; }
+  }
+  saveArkState(state) {
+    try { localStorage.setItem(this._arkKey(), JSON.stringify(state)); } catch {}
+  }
+
   // ---- Boltz swap support ----------------------------------------------
   // Persisted swap records (public metadata only — keys/preimage are re-derived
   // deterministically from the seed via swapNode, so nothing secret is stored).
-- 
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