sign method
Implementation
@override
sign() {
txData.message = txData.getMessage();
txData.signature = wallet.sign(txData.message);
txData.setWitnesses();
txData.isSigned = true;
return txData;
}
@override
sign() {
txData.message = txData.getMessage();
txData.signature = wallet.sign(txData.message);
txData.setWitnesses();
txData.isSigned = true;
return txData;
}