feat(invite): 邀请奖励金账户(与金币隔离) + 比价发奖 + 奖励金提现 (#82)

Reviewed-on: #82
Co-authored-by: xiebing <xiebing@wonderable.ai>
Co-committed-by: xiebing <xiebing@wonderable.ai>

tests/test_invite.py

@@ -1,4 +1,4 @@
-"""好友邀请测试:邀请码、绑定、双方发金币、幂等、自邀/无效码屏蔽、指纹兜底归因。
+"""好友邀请测试:邀请码、绑定(双方不发钱)、幂等、自邀/无效码屏蔽、指纹兜底归因。
 
 用 sms mock 登录拿 token(同 test_welfare),再跑邀请闭环。
 """
@@ -10,8 +10,6 @@ from sqlalchemy import select
 
 from app.core.rewards import (
     INVITE_FP_WINDOW_DAYS,
-    INVITE_INVITEE_COINS,
-    INVITE_INVITER_COINS,
     INVITE_NEW_USER_WINDOW_HOURS,
 )
 from app.db.session import SessionLocal
@@ -56,8 +54,8 @@ def test_invite_me_returns_stable_code(client) -> None:
     assert _my_code(client, token) == body["invite_code"]
 
 
-def test_bind_flow_both_get_coins(client) -> None:
-    """B 用 A 的码绑定 → 双方各得 1 万金币;A 战绩 +1。"""
+def test_bind_flow_no_coins_either_side(client) -> None:
+    """v3:B 用 A 的码绑定 → 双方都不发钱(被邀请人无奖励、邀请人改比价后发现金)。"""
     a = _login(client, "13800002002")
     b = _login(client, "13800002003")
     a_code = _my_code(client, a)
@@ -69,16 +67,16 @@ def test_bind_flow_both_get_coins(client) -> None:
     assert r.status_code == 200, r.text
     res = r.json()
     assert res["status"] == "success"
-    assert res["coins_awarded"] == INVITE_INVITEE_COINS
+    assert res["coins_awarded"] == 0
 
-    # 双方金币到账
-    assert _coin_balance(client, b) == INVITE_INVITEE_COINS
-    assert _coin_balance(client, a) == INVITE_INVITER_COINS
+    # 绑定后双方金币都不增(邀请人收益改走"好友比价发 2 元邀请奖励金")
+    assert _coin_balance(client, b) == 0
+    assert _coin_balance(client, a) == 0
 
-    # A 的战绩:已邀 1 人,累计获得 = 邀请人那份
+    # A 的战绩:已邀 1 人;金币口径收益恒 0(邀请人收益走邀请奖励金,见 try_reward_on_compare)
     r = client.get("/api/v1/invite/me", headers=_auth(a))
     assert r.json()["invited_count"] == 1
-    assert r.json()["coins_earned"] == INVITE_INVITER_COINS
+    assert r.json()["coins_earned"] == 0
 
 
 def test_bind_idempotent_no_double_reward(client) -> None:
@@ -217,9 +215,9 @@ def test_bind_by_fingerprint_success(client) -> None:
     )
     assert r2.status_code == 200, r2.text
     assert r2.json()["status"] == "success"
-    # 双方各发金币
-    assert _coin_balance(client, a) == INVITE_INVITER_COINS
-    assert _coin_balance(client, b) == INVITE_INVITEE_COINS
+    # v3:绑定双方都不发钱(被邀请人无奖励、邀请人改比价发现金)
+    assert _coin_balance(client, a) == 0
+    assert _coin_balance(client, b) == 0
 
 
 def test_bind_by_fingerprint_not_found(client) -> None:
@@ -322,7 +320,8 @@ def test_invitees_basic(client) -> None:
     names = {it["display_name"] for it in body["items"]}
     assert names == expected_names
     assert all(it["avatar_url"] is None for it in body["items"])
-    assert all(it["coins"] == INVITE_INVITER_COINS for it in body["items"])
+    # v2:绑定时邀请人那份为 0(收益改"好友比价才发奖"),故每条 coins 字段=0
+    assert all(it["coins"] == 0 for it in body["items"])
 
 
 def test_invitees_order_desc(client) -> None: