获取兑换待签名 PSBT

获取待签名 PSBT

post

Header parameters

Authorizationstringoptional

token

User-Idstringoptional

Body

send_coin_typestringrequired

send_tickstringrequired

send_amountstringrequired

receive_coin_typestringrequired

receive_tickstringrequired

receive_amountstringrequired

addressstringrequired

slipperintegerrequired

fee_rateintegerrequired

user_public_keystringrequired

chlstringrequired

methodstringoptional

非跨池swap,跨池pools_swap, 只需传pools_swap即可

tokenstringrequired

btc_addressstringrequired

Responses

application/json

objectoptional

application/json

post

HTTPcURLJavaScriptPython

POST /brc20swap/get_swap_psbt2 HTTP/1.1
Host: 
Content-Type: application/json
Accept: */*
Content-Length: 483

{
  "receive_amount": "9074",
  "receive_coin_type": "runes",
  "receive_tick": "SHE•SHE•SHE•SHE•SHE",
  "send_amount": "100000",
  "send_coin_type": "btc",
  "send_tick": "BTC",
  "slipper": 9,
  "fee_rate": 2,
  "token": "ee1fbac24400000:0",
  "user_public_key": "02d3ac7452920b1cc4653516dd4f4381a2df0a8c0aac6e3446e633a73ea63eee81:02d3ac7452920b1cc4653516dd4f4381a2df0a8c0aac6e3446e633a73ea63eee81",
  "address": "tb1qge80xavle7c7k0tk7vceaavwcgpsr3jchl0w3e",
  "btc_address": "tb1qge80xavle7c7k0tk7vceaavwcgpsr3jchl0w3e"
}

{
  "code": 0,
  "msg": "",
  "data": {
    "order_id": "swap_1072414914196275200",
    "psbt": "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",
    "check_sign_only": false
  },
  "req_id": "1887761713347338240"
}

1、获取到待签名 PSBT 之后，用户必须在 30 秒内签名。（如果是硬件钱包,需要更长的签名时间，可在 send_swap_psbt 接口增加参数,具体方式可查看 send_swap_psbt 接口的对应说明）

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

4、 token 从 /swap-info 获取，token 只能使用一次