获取兑换待签名 PSBT

brc20获取兑换待签名psbt

post

Header parameters

Authorizationstringoptional

token

User-Idstringoptional

Body

send_coin_typestringrequired

send_tickstringrequired

send_amountstringrequired

receive_coin_typestringrequired

receive_tickstringrequired

receive_amountstringrequired

addressstringrequired

slipperstringrequired

fee_rateintegerrequired

insstring[]required

用brc20兑换的时候才需要输入

user_public_keystringrequired

tx_sizeintegerrequired

从get_swap_psbt_txsize接口获得

checksumintegerrequired

从get_swap_psbt_txsize接口获得

vinsstring[]required

从get_swap_psbt_txsize接口获得

usr_cntintegerrequired

从get_swap_psbt_txsize接口获得

chlstringrequired

methodstringrequired

非跨池swap,跨池pools_swap, 只需传pools_swap即可

Responses

application/json

objectoptional

application/json

post

HTTPcURLJavaScriptPython

POST /brc20swap/get_swap_psbt HTTP/1.1
Host: 
Content-Type: application/json
Accept: */*
Content-Length: 307

{
  "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,
  "ins": [
    "text"
  ],
  "user_public_key": "text",
  "tx_size": 1,
  "checksum": 1,
  "vins": [
    "text"
  ],
  "usr_cnt": 1,
  "chl": "text",
  "method": "text"
}

{
  "code": 1,
  "msg": "text",
  "data": {
    "order_id": "text",
    "psbt": "text",
    "check_sign_only": true
  }
}

预兑换请求成功，获取待签名 PSBT。其中，部分请求参数为预兑换返回结果。

1、获取到待签名 PSBT 之后，用户必须在 30 秒内签名

2、注意 checksum 字段，值是从上个接口获取，但是字段名称有差异

1、获取到待签名 PSBT 之后，用户必须在 30 秒内签名

2、btc_address 和 address 传同一个地址即可

3、user_public_key 传参方法为只有一个地址的钱包 public_key:public_key，有两个地址的钱包 btc_public_key:ordi_public_key