Parameters of flash swap order creation
| Name | Type | Description | Notes |
|---|---|---|---|
| preview_id | str | Preview result ID | [optional] |
| sell_currency | str | Currency to sell which can be retrieved from supported currency list API `GET /flash_swap/currencies` | |
| sell_amount | str | Amount to sell. It is required to choose one parameter between `sell_amount` and `buy_amount` | [optional] |
| buy_currency | str | Currency to buy which can be retrieved from supported currency list API `GET /flash_swap/currencies` | |
| buy_amount | str | Amount to buy. It is required to choose one parameter between `sell_amount` and `buy_amount` | [optional] |