Parameters of flash swap order creation
| Name | Type | Description | Notes |
|---|---|---|---|
| preview_id | str | Preview result ID | |
| sell_currency | str | 卖出的资产名称， 根据接口`查询支持闪兑的所有交易对列表 GET /flash_swap/currency_pairs`获取 | |
| sell_amount | str | Amount to sell (based on the preview result) | |
| buy_currency | str | 买入的资产名称， 根据接口`查询支持闪兑的所有交易对列表 GET /flash_swap/currency_pairs`获取 | |
| buy_amount | str | Amount to buy (based on the preview result) |