Usage: keychain.sign(transaction, privateKeys, sigType)
Description: Allow to sign a transaction with private keys
Parameters:
| parameters | type | required | Description |
|---|---|---|---|
| object | Transaction | yes | Enter a valid encryption method (one of: ['aes']) |
| privateKeys | PrivateKey | yes | The private keys used to sign |
| sigtype | String | no | Default: crypto.Signature.SIGHASH_ALL |
Returns : Signed Transaction.