# Payment API

Collection API documentation.

## Create Collection Order

Create a new collection order.

### Request

```
POST /order/api/v2/pay/order
```

### Request Parameters

| Parameter   | Type   | Required | Description                                |
| ----------- | ------ | -------- | ------------------------------------------ |
| cashierId   | String | Yes      | Cashier ID                                 |
| orderNo     | String | Yes      | Merchant order number (recommended unique) |
| amount      | String | Yes      | Collection amount                          |
| symbol      | String | Yes      | Token symbol (USDT/USDC)                   |
| chainId     | String | No       | Network (TRON/ETH/ARB), default TRON       |
| redirectUrl | String | No       | Redirect URL after payment                 |
| sign        | String | Yes      | Signature                                  |

### Request Example

```json
{
  "cashierId": "CASHIER_001",
  "orderNo": "ORDER_20250401_001",
  "amount": "100.00",
  "symbol": "USDT",
  "chainId": "TRON",
  "redirectUrl": "https://your-app.com/payment/callback",
  "sign": "abc123..."
}
```

### Response Parameters

| Parameter  | Type   | Description                          |
| ---------- | ------ | ------------------------------------ |
| orderNo    | String | Order number                         |
| payUrl     | String | Payment link                         |
| qrCode     | String | Collection QR code (Base64)          |
| expireTime | Long   | Order expiration time (milliseconds) |

### Response Example

```json
{
  "code": "200",
  "success": true,
  "data": {
    "orderNo": "ORDER_20250401_001",
    "payUrl": "https://pay.blockatm.net/cashier/xxx",
    "qrCode": "data:image/png;base64,...",
    "expireTime": 1742729435000
  }
}
```

## Query Collection Order

Query collection order details.

### Request

```
GET /order/api/v2/payorder/detail
```

### Request Parameters

| Parameter | Type   | Required | Description           |
| --------- | ------ | -------- | --------------------- |
| orderNo   | String | Yes      | Merchant order number |

### Response Parameters

| Parameter  | Type   | Description                 |
| ---------- | ------ | --------------------------- |
| orderNo    | String | Order number                |
| cashierId  | String | Cashier ID                  |
| amount     | String | Order amount                |
| symbol     | String | Token symbol                |
| chainId    | String | Network                     |
| status     | String | Order status                |
| txId       | String | Blockchain transaction hash |
| createTime | Long   | Create time                 |
| updateTime | Long   | Update time                 |

### Order Status

| Status    | Description     |
| --------- | --------------- |
| PENDING   | Pending payment |
| SUCCESS   | Paid            |
| EXPIRED   | Expired         |
| CANCELLED | Cancelled       |

## Query Collection Order List

Query merchant's collection order list.

### Request

```
GET /order/api/v2/payorder/list
```

### Request Parameters

| Parameter | Type    | Required | Description               |
| --------- | ------- | -------- | ------------------------- |
| startTime | Long    | No       | Start time (milliseconds) |
| endTime   | Long    | No       | End time (milliseconds)   |
| status    | String  | No       | Order status              |
| page      | Integer | No       | Page number, default 1    |
| pageSize  | Integer | No       | Page size, default 20     |

### Response Parameters

| Parameter | Type    | Description  |
| --------- | ------- | ------------ |
| list      | Array   | Order list   |
| total     | Integer | Total count  |
| page      | Integer | Current page |
| pageSize  | Integer | Page size    |


---

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```
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```

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