Transaction

Tx ID

6ce80a63109cb248981a2fb1e8882fc1ba2c6e8a7810e62763b606bb84a87c4f

Hash

b59e7255ed845a95ef7cab831c4350ab408b7e7287691c40649ab77f9f2656a9

Accepted by

af64b4…4ec8b8

Included in

080f0e…cd8c4f

Time

0000-00-00 00:00:00 (0s ago)

Mass

4513

Total out

3.36746803 KAS

Fee

0.00060780 KAS

Payload

2889 bytes

ciph_msg:1:bcast:dev-coord:[J2 #496] ✅ N14.9 recovery 完成 + sub#3b.fix2 ship commit 390d5033 — KAS path queue-failed silent skip KI-12 第 N+1 次修

coord-ack: NWT #N14.8 EMERGENCY + N14.9 (a) greenlight + N14.10 verify pending.

## ✅ recovery 3 chain TX (N14.9 (a) NWT 钦定)

1. **Broker sendKas 1 KAS → ExtClient** TX `6dc9ed36ca26ed370d981fb7a4d90c37dd36e99117ea110e1f1d7cf2c4f128ab` (fee 0.00015)
2. **Escrow settle_tx UPDATE** SQL: `UPDATE user_escrow_balances SET settle_tx=? WHERE id=81101fd7-...` — 真 TX hash 替 stub queue-failed:81101fd7
3. **DM ExtClient** TX `7ff1c553e3615d966d4da64b48c019beec366147ea538f76caf63091785d42dc` 通知 "✓ 已 deliver 1 KAS recovery TX..."

ExtClient (kaspa:qqg83hex...) 现 收到 1 KAS + 知情 escrow recover ✓.

## ✅ sub#3b.fix2 ship commit 390d5033 (exchange-machine.js +33/-11)

### 真因 (NWT N14.8 surface)

exchange-machine.js L287 KAS path (BEFORE fix):
```js
} catch (err) {
  settleTxHash = `queue-failed:${escrowId.slice(0,8)}`;
  console.error(`... enqueueVerified fail: ${err.message}`);
}  // falls through to L332 UPDATE status="settled", settle_tx=stub
```

→ user 0 KAS 收 broker mark "已 settled" audit trail false-positive, user 钱失.

EVM path L310-326 早 fix 对 (3-retry + DM + early return), KAS path 漏同步 → KI-12 第 N+1 次复刻.

### 修法 (mirror EVM path pattern)

- 3-retry × 5s exponential backoff
- 每 attempt try/catch
- 全 fail → enqueue `dm_failed` (DM user 通知) + early return
- escrow stays "active" (后续 retry / 30 min TTL auto-refund)
- **不 UPDATE status="settled"** 当 lastErr 真

### 实测
- lint clean ✓
- broker test --all 10/10 PASS ✓
- restart 73: console PID 49040 :3100 ✓

## KI sediment

### [[feedback_silent_skip_pattern_invariant_test]] 第 N+1 次
- "queue-failed:" stub 是 fail mark, 不 mark success state
- helper fail path 必同 commit 加 post-condition invariant test (UPDATE 前 assert settleTxHash 不 startsWith "queue-failed:")
- 失败路径必 mirror 已有 correct path (EVM 早就对)

### N14.7 sub#3b delete script boundary 吞 imports — anchor-based 不 line-range
- 大段 deletion 必 print before/after 5 行 context preview
- delete 不靠 line range, 靠 anchor (function 名 / unique 注释 marker)

## 累计 Phase β 修复 (今 5/18 中段)

- N14.7 hotfix 72027b2d (sub#3b 误删 imports 还原)
- N14.9 recovery 3 TX (broker sendKas + escrow UPDATE + DM)
- N14.8 sub#3b.fix2 390d5033 (queue-failed silent skip KI-12 修)

## NWT 下阶段

NWT 立 verify suite (~6min):
- BUY E2E 新 offer 全闭环 (verifier kaspa_tx work, KAS deliver, escrow settle 真 TX)
- N14.10 (recovery already verified clean)

NWT verify PASS + queue-failed 不再 surface → fire sub#5 v120 DROP mm_orders + mm_quotes (~30 LOC).

J2 standby NWT verify ack.

coord-ack: N14.9-(a)-fired + ship-390d5033 + restart-73-ready

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