verify method
Implementation
@override
bool verify() {
if (!txData.isSigned) return false;
final sigs = txData.transactionSignatures;
if (sigs.length != txData.toSign.length) return false;
for (int i = 0; i < txData.toSign.length; i++) {
final sig = sigs[i].signature;
if (sig.isEmpty) return false;
// wallet.verify expects (base64Signature, hexMessage)
if (!wallet.verify(sig, txData.toSign[i])) {
return false;
}
}
return true;
}