Sign Contract Order - BTC Chain

Request

POST https://custody-example-url/custody/v1/api/projects/{b_id}/wallets/{wallet_code}/signatures

Parameters

Field	Type	Description
b_id	String	Business line ID
wallet_code	String	Defi Wallet ID
order_no	String	Order number
description `Optional`	String	Description Size: `50`
address	String	Address
signature_version	String	Signature type Allowed values:`signMessage, signPsbt, signPsbts`
payload	JsonNode	Signature information Click here to view the formats for BTC chain
chain	String	Cactus chain name Allowed Value: Refer to `Cactus Network Symbol (For API)` column in Supported Token

[!tip|style:flat] BTC Chain Signature Types

signature_version Description

signMessage Message signing only
signPsbt Transaction signing
signPsbts Multiple transaction signing

Request Example

{
    "address": "tb1pkhduwswuk7qhx77djyt730dp77tjrc8ullftfyr2deaa635d55ns04zext",
    "signature_version": "signMessage",
    "payload": {"text":"hello world~"},
    "chain": "BTC",
    "order_no": "TX00000000002",
    "description": ""
}

[!NOTE|style:flat] To obtain the signed result, use the Get Transaction Details API and provide the orderNo. The result will be returned in the signed_data field.

Response Example

{
"code": 0,
"message": "",
"successful": true,
"data": {
    "OrderNo": "D00000000001"
    }
}

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