/custodianSign

1 min

POST

/custodianSign

Request that the custodian calculate an Ethereum-specific signature prefixed with "\x19Ethereum Signed Message: " + len(message).

Return: JSON containing the status of the approval request and the signed message

 -------------------- Request --------------------

 custodianSign(
     account_id=1,
     message_to_sign="0x48656c6c6f2c20776f726c6421",
     specific_from_address="0xE4F....549Ab",
     transaction_external_initiator_provider=None
 )

 -------------------- Response --------------------

 {
   "FunctionData": {
     "AccountId": 1,
     "StatusCode": 0,
     "StatusCodeDescription": "",
     "ApprovalRequestStatus": "",
     "message_to_sign": ""
   },
   "Meta": {
     "AccessToken": "6276...79fe",
     "Destination": "0453...9d56",
     "Source": "fc581...42f3",
     "Time": "2025-02-10 13:05:23.729"
   }
 }

account_idintegerAccount ID to use in this operation

message_to_signstringThe message to sign

specific_from_addressstring<p>A deposit address to sign with (optional)</p>

transaction_external_initiator_providerboolean<p>For internal use only - data that indicates that an external provider (i.e. MetaMask) initiates the transaction. External clients should not set this.</p>

acceptstringGenerated from available response content types

bodyobjectRequest data for signing an Ethereum message.

200success

curl --request POST \
     --url '/custodianSign?account_id=1&message_to_sign=0x48656c6c6f2c20776f726c6421&specific_from_address=0xE4Fd4d9190075de22826DdeC437594d27fb549Ab&transaction_external_initiator_provider=True' \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '{
     "FunctionData": {
     "AccountId": 1,
     "CoinType": "ETH",
     "DataToSign": {
     "MessageToSign": "0x48656c6c6f2c20776f726c6421"
     },
     "SpecificFromAddress": "0xE4Fd4d9190075de22826DdeC437594d27fb549Ab",
     "IsMetaMaskTransaction": "True"
     },
     "Meta": {
     "FunctionName": "custodianSign",
     "RandomData": "288cd49d4b8bf00e7d6114b78d5668d5581d6b953fafef779133caa844cd4229",
     "Destination": "b9cb8afe52f1d52521cf2b62dfe12146156ad5328f83c62c20c7da81b263356a61340de745c858998544c041798b01c2f4fac31bebe52a19280a32cd57d6d374ea",
     "Time": "2021-02-07T18:37:46.948Z",
     "Source": "048b99461a70a49abe63fd585cb224177a22a92d2e9e4ddfbc0027887bee9d1843388f42a3eb2e740565e115ad8b7981abf59e3b03b771f4b063b53c517d7a9d99",
     "AccessToken": "51311c84d2c8fd2fafbe56ceb1fb30a99d3417abfc55769577338ab286798087"
     }
     }'