Sign Contract Order - Cosmos Based Chains

[!NOTE|style:flat] Administrator is required to enable "Message Signing" under DeFi Account - Cosmos Ecosystem Whitelist Protection in order to perform this API call.

Request

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

Parameters

[!tip|style:flat] Cosmos Signature Types

signature_version	Description
signAmino	Legacy JSON transaction signing
signDirect	Protobuf (modern) transaction signing
signArbitrary	Arbitrary data/message signing

Request Example

{
  "address": "cosmos1qqp3t4zhpwxp8sjq9j7p42flf4z5r0u9ex7n3k",
  "signature_version": "signAmino",
  "payload": {
    "account_number": "123",
    "chain_id": "cosmoshub-4",
    "fee": {
      "amount": [
        { "denom": "uatom", "amount": "1000" }
      ],
      "gas": "200000"
    },
    "memo": "Test transaction",
    "msgs": [
      {
        "type": "cosmos-sdk/MsgSend",
        "value": {
          "from_address": "cosmos1...",
          "to_address": "cosmos1...",
          "amount": [
            { "denom": "uatom", "amount": "1000000" }
          ]
        }
      }
    ]
  },
  "chain": "COSMOS",
  "order_no": "D00000000001",
  "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"
    }
}