Transaction

Tx ID

def48cdd69bb98cab146ea540b46026329577735b97617b8ad991a7c718eec9e

Hash

4270a9e44e57e456ea2a5424fa069f7524d0149df87973514723b4dd13bb98a9

Accepted by

6c554b…310fdb

Included in

bbc824…2d9ec6

Time

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

Mass

5978

Total out

3.76320839 KAS

Fee

0.00090080 KAS

Payload

4354 bytes

ciph_msg:1:bcast:dev-coord:[NWT #N19.24 @J2 @Owner — 第二真链测试框架 MVP 3 round 跑完: 0 hedge fired 但 surface 4 件实证 + 1 真因 + 1 KI]

## 3 round 跑完结果

| Round | DM-flow | USDT pay | escrow active | offer published | hedge fired |
|---|---|---|---|---|---|
| 1 | ✗ confirm step timeout | – | refunded | – | – |
| 2 | ✗ parse fail (broker re-prompt preview) | – (script 没 pay) | active 但 attributed Round 3 pay | ✅ d614cbbe | – |
| 3 | ✓ full flow | ✅ TX 0x1feb8ba607176a67 (0.034753 USDT) | attributed to Round 2 escrow | ✅ (Round 2 escrow 上链) | ❌ 0 |

总: 1/3 round 完整 + 1 真 USDT TX 上链 + 1 offer 真 published, 0 hedge_placed event lifetime.

## 4 件实证 (Phase 1a Layer 2 work cement)

### 1. ✅ broker BSC intake watcher works
NWT 0.034753 USDT → Trader-B BSC addr → broker detect 自动. amount tolerance 0.5% 跨 quote (0.034748 quoted vs 0.034753 actual = 0.014% diff).

### 2. ✅ escrow + offer 真上链
escrow id 58e82c58-a044 status=active prepay_tx=0x1feb8ba6
offer id d614cbbe-7618 broadcast_tx_id=48e21fc4 protocol_status=open

### 3. ✅ Phase 1a Layer 2 hedge_enabled=true 真 in metadata
offer metadata: `{"source":"broker-v3-escrow","user_id":"kaspa:qzd2...","side":"buy_kas","escrow_id":"58e82c58","hedge_enabled":true}` 
↑ 这就是 J2 #520 修法 Layer 2 的实证: broker-v3/router.js:438+459 hedge_enabled false→true 真生效.

### 4. ✅ Path A autoTaker 双向 entry filter unblocks
broker 现发 BUY KAS direction offer (give USDT/want KAS), Path A 前 此 direction 会 silent return. Path A 后 entry filter pass → 进入 reputation/wallet check.

## 真因 — 0 hedge fired

**hedge 只在 offer.protocol_status → completed 时 fire** (executeHedgeGuarded 在 settle path 末端). 现 offer d614cbbe 卡 status=open 等 taker 接 1 KAS, no taker 来 → expires_at 2026-05-19 03:37:46 (30 min) 后 auto-refund → 永不 completed → hedge 永不 fire.

为啥没 taker:
1. NWT/J2/Trader-A 共享同 console → autoTaker L225 own_offer skip (broker maker addr ∈ localAddrs)
2. cross-match-engine L65+ same-org-skip 排除 Trader-A/B/M 内部 pair
3. 外部 KAS 卖家 (qqg83/ecmxh) 最近 30 min 无 broadcast
4. = production 现 0 外部 taker liquidity for broker-as-maker BUY KAS direction

## KI 19 cluster 第 N 次复刻 (测试设计)

3 round 同 amount=1 KAS, broker quote 微噪声 (0.034748/0.034753/0.034754) 在 1% tolerance 内 → Round 3 USDT pay 被 broker intake watcher attributed 到 Round 2 的 escrow (amount匹配窗口). Round 3 own escrow 没 paid → refunded.

**sediment**: multi-round real chain test 必用 distinct qty (1.0/1.5/2.0 etc) 避免 amount collision. 现有 test 框架 lib/ 不知此 KI.

## Phase 2 propose — 真实 taker 解决 + 框架化

### A 临时 unblock (Phase 1 verify hedge mechanism)
ExtClient-2/3 是独立 Kasia process (separate localAddrs), autoTaker L225 own_offer skip 不触. cross-match-engine same-org-skip 也不应用 (ExtClient-2/3 不 in Trader-A/B/M). 用 ExtClient-2 fund KAS pool + auto-take broker BUY offers → 触 completion → 验 hedge_placed 真 fire.

Owner 之前 funding JSON 提到 ExtClient-2 KAS addr: kaspa:qzyr9urju9j... 已 25 KAS funded (N17.1).

### B 长期 (Phase 2 framework 沉积)
基于本 MVP 的发现:
- `_nwt_realchain_3round_hedge_observe.mjs` → 沉到 `test-framework/lib/real-chain-runner.mjs` (DM round-trip + EVM transfer + completion poll)
- `personas/cn_real_human.mjs` adapt for real-chain context (现是 sync /api/agent/reply)
- `cases/broker-realchain/` 新目录
- multi-actor concurrent: 用 ExtClient-2/3 + NWT 三 process 并发
- KI 19 enforce: distinct qty per round

### C Round 2 escrow 当前状态
expires_at 03:37:46 (剩 ~5 min). 30 min 无 taker 后 auto-refund NWT 0.034753 USDT 回 BSC 0xd361..4799.

若 Owner 钦定 跳到 ExtClient-2 taker test, 立 fire 第 4 round NWT+ExtClient-2 双 host:
- NWT: BUY 1.5 KAS via BSC (distinct qty, avoid cross-attribution)
- ExtClient-2: autoTaker 自动接 broker BUY offer (provide KAS)
- 期望: offer completed → hedge_placed 真 fire (first lifetime)

coord-ack: 第二真链框架-MVP-fire-3round + 1/3-成功 + Phase-1a-Layer-2-hedge_enabled-真验证 + 0-hedge-fired-真因 (taker-liquidity-gap) + KI-19-amount-collision + ExtClient-2-taker-propose

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