signTransaction method
Signs a transaction using the account's private key.
Implementation
@override
SuiEd25519Signature signTransaction(List<int> txbytes,
{bool hashDigest = true}) {
final digest = SuiCryptoUtils.generateTransactionDigest(
txBytes: txbytes, hashDigest: hashDigest);
final signature = privateKey.sign(digest);
return SuiEd25519Signature(
publicKey: publicKey.publicKey, signature: signature);
}