Sign a string
signMessageV2 can not only sign the Hex format string, but also sign a plaintext string. Please use the verifyMessageV2 interface for signature verification.
Usage
// Call directly，privatekey is needed in this way
TronWeb.Trx.signMessageV2(message, privateKey)
// Called via the instantiated tronWeb object
tronWeb.trx.signMessageV2(message, privateKey);
Parameters
| Parameter | Description | Data Type |
|---|---|---|
| message | Message to be signed | Bytes / String |
| privateKey | The private key used for signing, optional parameter. Default to use the private key passed in when building tronweb object. | String |
Returns
String - the signature.
Example
var messge = 'hello world';
var signature = await tronWeb.trx.signMessageV2(messge);
console.log(signature);
>0x1d1b0779da653630d29fc4f1ea1e5a109a30d52e21e7657fa896d2fccc3b430b14089377e13b6ed35ef371a1c91873773d568219d1100fa8595e5f2eec39e3e41c