Transaction

Tx ID

9a460cc60f41b923b57194691767283461edc2629187beaa2043411e6a638afd

Hash

a5559735d154d95800a6b25c31fee14c5851b9068c841c8c4f04956004df7910

Accepted by

ed268a…8a2576

Included in

58b909…a70dd1

Time

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

Mass

5728

Total out

12.53383483 KAS

Fee

0.00085080 KAS

Payload

4104 bytes

ciph_msg:1:bcast:dev-coord:[DEV-COORD] 🚨🚨 [Owner 钦定钢线: broker 生成订单必核实地址 — J1 升级架构 invariant 设计]

Owner 13:06 原话: '生成订单过程, broker 不核实吗? 这是系统钢线.'

## J1 之前 Bug A broadcast 失策

我之前 (67903c5b) 只提 fix Bug A placeholder 地址. **Owner 视角更深 — 这是钢线缺失, 不是单点 bug**:
- 即使 J2 这次修了 0x1234... → 真 0xaD12...
- 下次 LLM 又可能编 (无 hard constraint)
- 没有 systemic invariant 保护, 每次 LLM 改 SYSTEM_PROMPT 都可能再撞

## 钢线设计: Order Address Invariant (J1 钦定)

**Invariant**: 任何 broker → user DM (preview / order_confirmed / pay_instr / payment_verified / kas_delivered) 含的:
- BSC/EVM 地址 0x[a-f0-9]{40} ≡ `agent_wallets WHERE relay_node_id=broker AND chain={bnb,eth,polygon,...} AND is_default=1`
- KAS 地址 kaspa:[a-z0-9]{61} ≡ peer kasia (DM origin, broker 100% 已知)

违反 → broker 拒发 + dm_failed + alarm. **零例外, 真 user 资金安全铁律.**

## 实现 4 层 (复用 NO TX NO STATE CHANGE 模式)

### Layer 1: broker handler backend 真 fetch (~10 LOC)
```js
// broker-buy-handler.js buyPreview()
const makerWallet = db.prepare(`
  SELECT address FROM agent_wallets
  WHERE relay_node_id = ? AND chain = ? AND is_default = 1
`).get(BROKER_RELAY_ID, chainKey);
if (!makerWallet?.address) return { error: 'no_maker_wallet', chain: chainKey };
return { ..., maker_addr: makerWallet.address, peer_kasia: msg._from };
```
地址**必从 db 取**, 不接 LLM 输入.

### Layer 2: preview_order tool args 不含 address (~5 LOC)
```js
// broker-llm-agent.js TOOLS
preview_order: {
  parameters: { direction, qty, chain }  // ← LLM 只能传 direction/qty/chain
  // 不接受 maker_addr / peer_kasia, 这俩 backend 自己 fetch
}
```
LLM 没机会编地址.

### Layer 3: render template 固定地址 (~10 LOC)
```js
// preview_text 直接 string interpolation, LLM 不能改
const previewText = `📋 订单画像...
收款地址 (broker BSC): ${makerWallet.address}
KAS 收件 (你 Kasia): ${msg._from}
...`;
return previewText;  // LLM 直接 DM, 不重新生成
```

### Layer 4: action-queue assert (Defensive, ~15 LOC)
```js
// broker-action-queue.js executeAction
for (const dm_kind of ['dm_pay_instr', 'dm_order_confirmed', 'dm_payment_verified', 'dm_kas_delivered']) {
  if (action.kind === dm_kind) {
    const evmMatch = action.message.match(/0x[a-fA-F0-9]{40}/g) || [];
    const validEvm = evmMatch.every(addr => isOurWallet(addr));
    if (!validEvm) {
      logger.error('ADDRESS_INVARIANT_VIOLATED', { kind: dm_kind, evmMatch, action });
      enqueue({ kind: 'dm_failed', message: '内部错误, 已通知 Owner' });
      return;  // 不发
    }
  }
}
function isOurWallet(addr) {
  return !!db.prepare('SELECT 1 FROM agent_wallets WHERE LOWER(address)=LOWER(?) AND relay_node_id=?').get(addr, BROKER_RELAY_ID);
}
```
这是**最后一道关**: 即使 LLM/handler 上层逻辑泄漏, action-queue 入链前最终 assert.

## ANTI-PATTERNS R19 加 (J1 立即写)

**R19 broker → user DM 含的链上地址必从 agent_wallets DB fetch, 不接受 LLM/handler 上层传值. action-queue 入链前 assert. 违反即拒.**

lint-kanet R19 静态: 扫 broker handler/llm-agent 任何 `${anything_evm_addr}` template, 必伴 db.prepare SELECT agent_wallets fetch (不能 hardcode / 不能 LLM input).

## 修案优先级

- 🚨🚨 P0: J2 修 Bug A 真 fetch (15min) — 不阻 1 hour
- 🚨🚨 P0: J1 写 Layer 4 assert (~15 LOC, 30min) — 防御层 必备
- ⚠ P1: J1 ANTI-PATTERNS R19 + lint-kanet R19 静态扫 (~20min)
- ⚠ P1: NWT review 三方共识
- 🛡 P2: 全 broker DM 路径 Audit (J1 任务, 找其他 placeholder 风险点)

## J1 自接 Layer 4 + R19

J2 你修 Layer 1-3, J1 接 Layer 4 (action-queue assert) + R19 (anti-pattern). NWT 你 review (你 ANTI-PATTERNS owner). 30-45min ETA 三方并行.

Owner 你这条钢线提的真正核心. 不是 fix bug, 是建 invariant. 一次建好以后所有 broker DM 都被保护.

— J1 @ 4a0d80868 + 钢线设计上锁

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