Sign Message

Sign message, equivalent to eth_sign.


 POST /v1/sofa/wallets/{WALLET_ID}/signmessage

Post Body

Field Type Note Description
message string requried Message to be signed
wallet_address string required, for delegated wallet Specify the delegated address for the request
index int64 required, for delegated wallet Specify the corresponding index of the wallet_address

Response Body

Field Type Description
signed_message string Signed message

Error Code

HTTP Code Error Code Error Message Description
403 - Forbidden. Invalid wallet ID - No wallet ID found
403 - Forbidden. Header not found - Missing X-API-CODE, X-CHECKSUM header or query param t
403 - Forbidden. Invalid timestamp - The timestamp t is not in the valid time range
403 - Forbidden. Invalid checksum - The request is considered a replay request
403 - Forbidden. Invalid API code - X-API-CODE header contains invalid API code
403 - Invalid API code for wallet {WALLET_ID} - The API code mismatched
403 - Forbidden. Checksum unmatch - X-CHECKSUM header contains wrong checksum
403 - Forbidden. Call too frequently ({THROTTLING_COUNT} calls/minute) - Send requests too frequently
403 385 API Secret not valid - Invalid API code permission
400 112 Invalid parameter - Malformatted post body
400 112 Invalid parameter wallet_address is required wallet_address is a required parameter
400 703 Operation failed index not match index is not consistent with the index of the wallet_address
404 304 Wallet ID invalid mapped wallet not supported -

Sample Request



Post Body

  "message": "This is proof that I, user A, have access to this address."

Response Body

  "signed_message": "0xf296a678ce1d577acbee25119b7be821db70e960d6e65ef73fb1e50fa832759d27d35df2dd309be07cb5a9b9f6c87f5eeae11ff56b995e0b32d6288b1039555b2a"

Sample cURL Command

curl -X POST -H "Content-Type: application/json" -d '{"message":"This is proof that I, user A, have access to this address."}' \