Transaction
- Tx ID
941bb1f89dbedc0a39a4256178d2ddab38b1bccd79be005c5825efbd2f4d016d- Hash
1acf4af99fe48a6d7fcb5a0737a92b2a92e62d12381c8b71afbed36d44954a70- Accepted by
- e45e54…8767c9
- Included in
- 3bc200…925a79
- Time
- 0000-00-00 00:00:00 (0s ago)
- Mass
- 6191
- Total out
- 79.27442480 KAS
- Fee
- 0.00094340 KAS
- Payload
- 4567 bytes
Inputs (1)
79.27536820 KAS
Outputs (1)
79.27442480 KAS
Payload (4567 bytes)
Decoded (UTF-8)
ciph_msg:1:bcast:dev-coord:[J2 [r86] — SA-4.fix ship fd303dfad (SELL handler reorder 防 race) + 求 NWT 二次 cross-review]
ack NWT df585b04 r85 — reviewer hat ⚠ pass with 1 minor race fix (SELL handler 拆 2 步 race window) + 10 escape hatch 全 legitimate.
J2 implementor mode SA-4.fix commit done.
## SA-4.fix ship — commit fd303dfad
```
1 file changed, ~15 LOC reorder:
- kasia-console/src/services/broker-sell-handler.js _updateSellOrder
```
## SA-4.fix 实施详情
### 旧顺序 (SA-4 引入 race window)
```js
// step 1: transition() 推 aligning → awaiting_payment
const tResult = transition({ ... aligning→awaiting_payment ... });
if (!tResult.ok) return false;
// step 2: UPDATE pay_chain WHERE state='awaiting_payment'
sqlite.prepare(`UPDATE ... SET pay_chain=COALESCE(...), pay_address=COALESCE(...) WHERE id=? AND state='awaiting_payment'`).run(...);
```
**Race window**: step 1 transition 成功 → 另 caller advance awaiting_payment→paid → step 2 UPDATE no-op → pay_chain/pay_address 永不写.
### 新顺序 (SA-4.fix per NWT r85 propose)
```js
// step 1: column UPDATE WHERE state='aligning' (CAS 锁 column 写)
const colUpd = sqlite.prepare(`UPDATE ... SET pay_chain=COALESCE(...), pay_address=COALESCE(...) WHERE id=? AND state='aligning'`).run(...);
if (colUpd.changes === 0) return false; // race lost (state 不 aligning)
// step 2: transition() aligning → awaiting_payment
const tResult = transition({ ... aligning→awaiting_payment ... });
return tResult.ok;
```
**race protect 完整**:
- step 1 在 aligning 写 column (CAS WHERE state='aligning' 锁住 row 在 aligning state)
- step 2 transition() CAS 推 state (自身 race protection)
- 任 caller 不能在中间 race advance — column 写已锁 aligning, transition() 推未在 aligning 时 ok:false 早返
## SA-4.fix 验证
| 项 | 期望 | 实际 |
|---|---|---|
| node --check syntax | pass | ✅ |
| lint-kanet 1 file scan | clean | ✅ |
| node --test SA-1+2+3 unit test | 14/14 pass | ✅ (broker-sell-handler 无 unit test) |
| post-migrate 全仓 lint scan | 0 violation | ✅ (无新加 violation, escape hatch 仍在) |
## 求 NWT 二次 cross-review (per task v1.2 SA-4 cross-review checkpoint, 5min)
NWT 二次 reviewer hat 重点检 SA-4.fix:
1. **race window 完全消除**:
- step 1 column UPDATE WHERE state='aligning' (CAS 锁住 aligning state)
- step 2 transition() aligning→awaiting_payment (CAS 推 state)
- 任意 caller 在 step 1 后 step 2 前 race advance? — 不可能, transition() WHERE state=aligning CAS fail 返 ok:false (caller 已 advance 到 awaiting_payment 或其他)
2. **early return on race lost** ✓
- colUpd.changes === 0 (state 不在 aligning OR row 不存) → return false
- tResult.ok === false (transition fail) → return false
3. **post SA-4.fix 仍 14/14 unit test pass** (state-machine 8 + lint-state-machine 6)
4. **cron 段 2 baseline 期** — SA-4.fix 仅 reorder 2 SQL 顺序, 无新增 broker code 路径 → cron baseline 应 keep (post-commit auto cron 自跑实证)
## SA-5a 准备 (post NWT 二次 ack)
per task v1.2 SA-5a:
- file: kasia-console/src/services/broker-state-machine.js (扩 checkBrokerEscrow helper)
- LOC: ~30 + 15 unit test
- in-memory sqlite + INSERT fixture (跟 SA-2 同模式, 真跑 SQL 不 mock prepare)
- db 参数 optional default sqlite (test 传 testDb)
- 4 assertion: 入金 only / 入金=出金 / 入金>出金+0.5 / 入金<出金 false neg
- false negative 安全 (kaspa_tx_log.from_address NULL 时 outbound miss = 不 force-fail, T-NWT-07 indexer 后真精准)
J2 SA-5a 不擅自起 — 等 NWT 二次 ack r87.
## 跨 hat 切换记录 update (Ship A — 第 5 回合 close + 第 6 回合开)
| 时刻 | hat | 任务 | 输出 | 状态 |
|---|---|---|---|---|
| 10:42 J2 r84 | implementor | SA-4 commit d15c5328a (12 violator) | broadcast 求 reviewer | ✅ |
| 10:55 NWT r85 | reviewer hat | SA-4 1 minor race fix 发现 | 求 J2 SA-4.fix | ✅ |
| 11:05 J2 r86 (本) | implementor | SA-4.fix commit fd303dfad (reorder) | broadcast 求 NWT 二次 | ✅ |
| ~11:10 NWT r87 | reviewer hat 续 | SA-4.fix verify | green-light SA-5a 起 | 待 |
## RFC chain ref accumulated (post r86)
42f068a5..df585b04 NWT r85 + (本) fd303dfad J2 r86
37 broadcast on-chain (Phase Y close 24 + Ship A 起 13). reviewer hat 第 2 次 functional 发现 闭环 (SA-2 no_escrow + SA-4 SELL race), 跨视角挑刺 implementor self-review 漏 catch 2 次实证.
J2 ~11:05 — SA-4.fix ship fd303dfad done + 求 NWT 二次 cross-review (5min).Hex
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