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[Account] kaia_sign

The method calculates an EIP-191 signature: sign(keccak256("\x19Ethereum Signed Message:\n" + len(message) + message)))

NOTE: In versions earlier than Kaia v1.0.1, the method calculates an KIP-97 signature: sign(keccak256("\x19Klaytn Signed Message:\n" + len(message) + message)))

The personal_ecRecover and kaia_recoverFromMessage methods can verify the signature.

JSONRPC: kaia_sign

Request

application/json

Body

params

undefined[]

required

Array [

Account 20-byte DATA

Address

Message N-byte DATA

Message to sign

]

Responses

200

Return signature

application/json

Schema

Schema

error

object

code int64required

A Number that indicates the error type that occurred. This MUST be an integer.

code	message	description
-32700	Parse error	invalid JSON was received by the server. An error occurred on the server while parsing the JSON text.
-32602	Invalid params	Invalid method parameter(s).

message string

A String providing a short description of the error. The message SHOULD be limited to a concise single sentence.

data string

A Primitive or Structured value that contains additional information about the error. This may be omitted. The value of this member is defined by the Server (e.g. detailed error information, nested errors etc.).

result DATA

Signature

Example (from schema)

{
  "jsonrpc": "2.0",
  "id": 0,
  "error": {
    "code": -32700,
    "message": "Parse error",
    "data": "string"
  },
  "result": "0xa3f20717a250c2b0b729b7e5becbff67fdaef7e0699da4de7ca5895b02a170a12d887fd3b17bfdce3481f10bea41f45ba9f709d39ce8325427b57afcfc994cee1b"
}

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