Renewal page shows the server's flat renewal fee: the schedule reads '0.2% + 300 sats' and '300 sats' instead of 'free' when the ASP charges a base fee, and the description says automatic renewals wait for the cheapest bracket rather than a free one

Co-Authored-By: Claude Opus 5.5 <[email protected]>

2 files changed, 12 insertions, 4 deletions

diff --git a/src/features/ark.js b/src/features/ark.js
index 8026ed9..c02b9f9 100644
--- a/src/features/ark.js
+++ b/src/features/ark.js
@@ -2258,8 +2258,12 @@ export function arkFeature(ctx) {
     };
     // The server prices a renewal by how much lifetime each coin still
     // carries (its ppm bracket) — waiting IS cheaper, and inside the final
-    // bracket it's free, where the wallet renews on its own anyway.
+    // bracket the share is zero, where the wallet renews on its own anyway.
+    // A flat base fee (the round's on-chain cost, which coinos stopped
+    // absorbing in October 2026) rides on top of every bracket.
     const table = (((mgr && mgr.info) || {}).refreshFees || {}).ppmExpiryTable || [];
+    const baseSat = (((mgr && mgr.info) || {}).refreshFees || {}).baseFeeSat || 0;
+    const baseCost = fmtSats(baseSat) + ' sats';
     const roundMins = Math.max(1, Math.round((((mgr && mgr.info) || {}).roundIntervalSecs || 120) / 60));
     const roundEvery = roundMins === 1 ? t('arkCoinsRoundEveryOne') : t('arkCoinsRoundEvery', { n: roundMins });
     const ppmFor = (blocks) => (table.filter((e) => e.thresholdBlocks <= blocks).pop()?.ppm) ?? 0;
@@ -2286,8 +2290,9 @@ export function arkFeature(ctx) {
         : i === 0
           ? t('arkCoinsSchedOver', { span: span(e.thresholdBlocks) })
           : t('arkCoinsSchedBetween', { a: span(e.thresholdBlocks), b: span(arr[i - 1].thresholdBlocks) }),
-      cost: e.ppm === 0 ? t('arkDepthFree') : (e.ppm / 10000).toLocaleString(undefined, { maximumFractionDigits: 3 }) + '%',
-      free: e.ppm === 0,
+      cost: e.ppm === 0 ? (baseSat ? baseCost : t('arkDepthFree'))
+        : (e.ppm / 10000).toLocaleString(undefined, { maximumFractionDigits: 3 }) + '%' + (baseSat ? ' + ' + baseCost : ''),
+      free: e.ppm === 0 && !baseSat,
     }));
     // Which coins ride the renewal: all by default (the one-button behavior),
     // any subset by unticking. Selection is per-visit; ids that vanished
@@ -2450,7 +2455,9 @@ export function arkFeature(ctx) {
         h('h4', { style: 'margin:0' }, t('arkCoinsRenewTitle')),
         // the round cadence comes from the server (it has been an hour and
         // is two minutes as of September 2026) — never a number baked in here
-        h('p', { class: 'small muted', style: 'margin:0' }, t('arkCoinsRenewDesc', { every: roundEvery })),
+        h('p', { class: 'small muted', style: 'margin:0' }, baseSat
+          ? t('arkCoinsRenewDescBase', { every: roundEvery, base: baseCost })
+          : t('arkCoinsRenewDesc', { every: roundEvery })),
         schedule.length ? h('div', { class: 'col', style: 'gap:2px;margin:2px 0' },
           ...schedule.map((r) => h('div', { class: 'row between' },
             h('span', { class: 'small muted' }, r.label),
diff --git a/src/i18n.js b/src/i18n.js
index 61a97dd..d0a069e 100644
--- a/src/i18n.js
+++ b/src/i18n.js
@@ -605,6 +605,7 @@ const STR = {
     arkCoinsExitDesc: 'If the server vanished today, publishing every transaction in each coin’s history would cost about {fee} sats in mining fees. After a renewal it would be one fresh coin, one hop: about {after} sats.',
     arkCoinsRenewTitle: 'Renewal',
     arkCoinsRenewDesc: 'Your wallet renews coins automatically once they are close to expiring and renewal is free. Renewing early is an option if you would rather pay a small fee now to keep your exit cost low should the coinos server ever stop responding when you want to bring your funds on-chain. A renewal replaces your coins with a single fresh one in the next round ({every}), which flattens their history. The fee depends on how close the coin is to expiry. The closer, the cheaper:',
+    arkCoinsRenewDescBase: 'Your wallet renews coins automatically once they are close to expiring, when renewal is cheapest. Renewing early is an option if you would rather pay a little more now to keep your exit cost low should the coinos server ever stop responding when you want to bring your funds on-chain. A renewal replaces your coins with a single fresh one in the next round ({every}), which flattens their history. Every renewal costs a flat {base} toward the round’s on-chain fee, plus a share that depends on how close the coin is to expiry. The closer, the cheaper:',
     arkCoinsRoundEvery: 'rounds run every {n} minutes',
     arkCoinsRoundEveryOne: 'rounds run every minute',
     arkCoinsRenewNowFee: 'Renew now for {fee}',