计算提现手续费

• 方法：POST
• 路径：/coin/v1/withdraw/calc
• 参数：JSON Body

非强制接口，用来试算两种扣款方式下的手续费与扣款金额；扣款金额 deduct_amount 可传入 create 接口比对校验，如与实际扣款金额不一致，则无法成功下单。

请求字段

字段	类型	必填	约束	说明
currency	string	是	见 货币	提现币种
amount	double	是	> 0；精度见 货币	提现金额
receive_account_no	string	是	见 收款账号列表	收款账号编号

响应字段（data）

字段	类型	说明
currency	string	提现币种
amount	double	用户提交提现金额
receive_account_no	string	收款账号编号
withdraw_fee_from_payout	object	到账内扣手续费明细，结构见下
withdraw_fee_from_balance	object	余额扣除手续费明细，结构见下

手续费明细字段（withdraw_fee_from_payout / withdraw_fee_from_balance）

字段	类型	说明
fee_charge_type	int32	见 手续费扣款方式
withdraw_amount	double	提现金额
withdraw_fee	double	手续费
receive_amount	double	预计到账金额
deduct_amount	double	实际从钱包扣除金额；下单时可回传该值做比对（> 0 时校验）
currency	string	币种，与请求 currency 一致

成功响应示例

{
  "status": 200,
  "msg": "SUCCESS",
  "data": {
    "currency": "USDT",
    "amount": 100,
    "receive_account_no": "MWAxxxxxxxxxxxUT",
    "withdraw_fee_from_payout": {
      "fee_charge_type": 1,
      "withdraw_amount": 100,
      "withdraw_fee": 1,
      "receive_amount": 99,
      "deduct_amount": 100,
      "currency": "USDT"
    },
    "withdraw_fee_from_balance": {
      "fee_charge_type": 2,
      "withdraw_amount": 100,
      "withdraw_fee": 1,
      "receive_amount": 100,
      "deduct_amount": 101,
      "currency": "USDT"
    }
  }
}