预兑换请求

选择完币对，点击兑换时，如果是 BRC20，需要先请求预兑换接口

获取psbt方式兑换tx大小

post

/brc20swap/get_swap_psbt_txsize

Header parameters

Authorizationstring

token

User-Idstring

Body

send_coin_typestringrequired

send_tickstringrequired

send_amountstringrequired

receive_coin_typestringrequired

receive_tickstringrequired

receive_amountstringrequired

addressstringrequired

slipperstringrequired

fee_rateintegerrequired

methodstringrequired

非跨池swap,跨池pools_swap, 只需传pools_swap即可

insstring[]required

Responses

application/json

application/json

cURL

JavaScript

Python

HTTP

cURL

curl -L \
  --request POST \
  --url '/brc20swap/get_swap_psbt_txsize' \
  --header 'Content-Type: application/json' \
  --data '{
    "send_coin_type": "text",
    "send_tick": "text",
    "send_amount": "text",
    "receive_coin_type": "text",
    "receive_tick": "text",
    "receive_amount": "text",
    "address": "text",
    "slipper": "text",
    "fee_rate": 1,
    "method": "text",
    "ins": [
      "text"
    ]
  }'

200

x-200:成功

200

{
  "code": 1,
  "msg": "text",
  "data": {
    "tx_size": 1,
    "ins_contain_sats": 1,
    "checksum": "text",
    "usr_cnt": 1,
    "vins": [
      "text"
    ]
  }
}

成功

1、这个接口中的 address，btc_address 传同一个地址即可

2、这个接口返回的结果，原值传到 get_swap_psbt 接口

3、注意当前 slipper （滑点）的限制为，不超过 12%