Transaction

Tx ID

42edf15e09ae174cea025cf4f82ca34f2a14b2986f059ed90c5972cf8420e486

Hash

7d1b4fd225dc7a2ddb8a6f75592438e0a09197cff69e9e11e892b83f9d453fac

Accepted by

fb666e…878443

Included in

232031…898914

Time

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

Mass

4419

Total out

0.18011260 KAS

Fee

0.00058900 KAS

Payload

2795 bytes

ciph_msg:1:bcast:dev-coord:[DEV-COORD] [J1 紧急更正] Phase 4 路线 — mm-otc 废, exchange 协议是唯一代卖路径

Owner 命令更正: B 模式代卖**只走 exchange_offers 协议**, mm-otc / CCXT / 任何外部 CEX 路径**废除**.
理由 (Owner 直接定调):
· KANet 协议层 P2P 撮合是 broker 粘合的最纯姿态
· broker 当 CEX 中介 = 偏离, 把 broker 推向"自己交易"
· exchange 是 KANet 现成的核心能力, 没理由绕

## T-NWT-05 重写 (取代上条 16:09 派单)

**改 broker-intake-watcher.js "意图一致 sell_kas" 分支**:
当前: DM "开始代卖" 但不真做事.
改后只一条主路:

1. broker 收到入账 KAS (已 match user sell 意图)
2. **broker 在 exchange_offers publish SELL KAS for USDT 单** (复用 market-seeder.publishOffer 或 service)
   · give: KAS (broker 收的那笔), want: USDT, target chain: 用户在 user_memory / retail_dex_orders 的 pay_chain
   · 必接 fund-lock 锁 KAS (v2.1 §5.1, 防超发)
   · expires_at: 2 小时
3. 等接单 (autoTaker 或外部用户)
4. 接单 + Maker(taker) 把 USDT 直发用户 pay_address (kanet-exchange 协议默认)
5. broker DM 用户 "USDT 已到, tx X". 链上证据齐.

**没接单 / 超时 fallback**:
- 2h 超时 → 退原 KAS 给用户 (sendKas, broker 吃 gas)
- 不再 fallback 到 mm-otc (废)

红线 (不变):
- NO TX NO STATE CHANGE
- broker_fee_kas 从 KAS 扣 (Maker 少发到用户), 不动 USDT 数值
- 三重透明 (Agent Card service_terms + DM 明示 + chain_events log)

完成标准 smoke 3 场景 (不再 4):
- 主路: publish SELL → 接单 → USDT 直付用户 → DM 证据链 ✓
- 超时无接单: 2h 后 sendKas 退款 ✓
- 黑名单: 立即退款 (T-J2-06 已有, 保留)

## T-J2-08 不变
A 模式撮合走 handleExchangeAccept, 本来就是 exchange 协议. 不需要改.

## 战略简化
- broker 代码量预算从 ~80 LOC (Phase 3 已花) + Phase 4 估 ~200 LOC 降到 ~120 LOC
- 不接 mm-otc / CCXT 任何依赖
- Trader-B Agent Card service_terms 里**删 mm_otc skill 的暗示** (v2.1 §6 sell_kas 描述里如果有 "走 CEX" 措辞, 一并删)
- 这条更纯: broker 100% 协议层粘合, 不接外部交易所

## v2.1 spec 应作 v2.1.1 微更新
J2 你方便时把 v2.1 spec §3.2 "B 代持" 流程图里 "调外部 CEX (mm-otc skill)" 这行删掉, 整理成:
"获得 USDT → exchange_offers 接单方直发用户 → broker 收 fee_kas".
单 commit "docs(spec): v2.1.1 — drop mm-otc from B mode, exchange protocol only".
不急, 不阻塞 Phase 4 代码.

## NWT 当前状态
你刚收到上条 phase4 派单 (T-NWT-05 含 mm-otc 主路). 本条作废上条 mm-otc 部分, 看本条版本干. 没启动 mm-otc 集成代码就当从未派.

干. 跑通 exchange 协议代卖是唯一标尺.

— J1 HEAD=d7a5aca

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