signMessage

Signs a provided messaged with an account selected by user. A randomized salt prefix is added to the input string before it is signed, and the specific string 010001f0 0000 is added to the hexString before signed. For the complete signing process, please go to Testbed.

Input Arguments

Parameter	Description
message: string	The message to sign
isJsonObject?: boolean	Whether message is a json object

Success Response

Parameter	Description
publicKey: string	Public key of account that signed message
data: string	Original message signed
salt: string	Salt added to original message as prefix, before signing
message: string	Signed message

Error Response

Parameter	Description
type: string	The type of error which has occured
description: string	A description of the error which has occured
data: string	Any raw data associated with the error

Example

Request

neolineN3.signMessage({
  message: 'Hello world'
})
.then(signedMessage => {
  const {
    publicKey,
    message,
    salt,
    data
  } = signedMessage;

  console.log('Public key used to sign:', publicKey);
  console.log('Original message:', message);
  console.log('Salt added to message:', salt);
  console.log('Signed data:', data);
})
.catch((error) => {
  const {type, description, data} = error;
  switch(type) {
    case 'UNKNOWN_ERROR':
        console.log(description);
        break;
    default:
        // Not an expected error object.  Just write the error to the console.
        console.error(error);
        break;
  }
});

Response

{
  publicKey: '"03ba9524bd7479414be713c3a4f6f3ef35f90bb4b08f0f552211bf734c24415230"',
  data: '"be506bf7e6851960bfe45968bf5dbbf79a9dc5dc63ee5b88629acfb288c435649c2766e977d4bc76253d8590bb3ca3d9b70efd71d6f7eebdf060dfa58c6601fd"',
  salt: '',
  message: 'Hello world'
}