终端内直接弹出 UnlockProOverlay：订阅支付无需跳转账户页

新增 useTerminalPay hook 和 billing-utils 纯函数，SubscriptionGate 集成支付弹窗。用户点击订阅后原地弹窗 → 连接钱包 → 链上支付 → 自动刷新进入终端。
2026-05-25 02:14:21 +08:00
parent 5ee416bd0a
commit 3534f759d0
3 changed files with 611 additions and 7 deletions
@@ -0,0 +1,69 @@
+export interface TerminalBilling {
+  planAmount: number;
+  pointsEnabled: boolean;
+  pointsPerUsdc: number;
+  maxDiscountUsdc: number;
+  pointsUsed: number;
+  discountAmount: number;
+  payAmount: number;
+  canRedeem: boolean;
+}
+
+export interface PointsRedemptionConfig {
+  enabled?: boolean;
+  points_per_usdc?: number;
+  max_discount_usdc?: number;
+}
+
+export function computeBilling(params: {
+  planPriceUsd: number;
+  totalPoints: number;
+  usePoints: boolean;
+  redemptionCfg?: PointsRedemptionConfig | null;
+}): TerminalBilling {
+  const planAmount =
+    Number.isFinite(params.planPriceUsd) && params.planPriceUsd > 0
+      ? params.planPriceUsd
+      : 10;
+
+  const cfg = params.redemptionCfg || {};
+  const pointsEnabled = cfg.enabled !== false;
+  const pointsPerUsdcRaw = Number(cfg.points_per_usdc ?? 500);
+  const pointsPerUsdc =
+    Number.isFinite(pointsPerUsdcRaw) && pointsPerUsdcRaw > 0
+      ? Math.floor(pointsPerUsdcRaw)
+      : 500;
+
+  const maxDiscountRaw = Number(cfg.max_discount_usdc ?? 3);
+  const maxDiscountUsdc = Math.max(
+    0,
+    Math.min(
+      Math.floor(Number.isFinite(maxDiscountRaw) ? maxDiscountRaw : 3),
+      Math.floor(planAmount),
+    ),
+  );
+
+  const maxRedeemablePoints = pointsPerUsdc * maxDiscountUsdc;
+  const actualRedeem = pointsEnabled
+    ? Math.min(params.totalPoints, maxRedeemablePoints)
+    : 0;
+  const discountUnits = Math.floor(actualRedeem / pointsPerUsdc);
+  const pointsUsed = discountUnits * pointsPerUsdc;
+  const canRedeem =
+    pointsEnabled &&
+    maxDiscountUsdc > 0 &&
+    params.totalPoints >= pointsPerUsdc;
+  const applyDiscount =
+    params.usePoints && canRedeem && pointsUsed > 0;
+
+  return {
+    planAmount,
+    pointsEnabled,
+    pointsPerUsdc,
+    maxDiscountUsdc,
+    pointsUsed,
+    discountAmount: discountUnits,
+    payAmount: planAmount - (applyDiscount ? discountUnits : 0),
+    canRedeem,
+  };
+}