积分与余额账务系统硬切重构

src/Payment/GatewayInterface.php

@@ -23,7 +23,7 @@ interface GatewayInterface {
      * 验证回调
      *
      * @param \WP_REST_Request $request 回调请求
-     * @return array{success: bool, order_number?: string, amount?: float, transaction_id?: string, message?: string}
+     * @return array{success: bool, order_number?: string, amount?: string, transaction_id?: string, message?: string}
      */
     public function verify_callback(\WP_REST_Request $request): array;
 
@@ -39,11 +39,11 @@ interface GatewayInterface {
      * 退款
      *
      * @param string $order_number 订单号
-     * @param float  $amount       退款金额
+	 * @param string $amount       最多两位小数的退款金额
      * @param string $request_id  幂等退款请求号
      * @return array{success: bool, status?: string, refund_id?: string, request_id?: string, message?: string}
      */
-    public function refund(string $order_number, float $amount, string $request_id = ''): array;
+	public function refund(string $order_number, string $amount, string $request_id = ''): array;
 
     /**
      * 获取网关显示名称