How to use

acceptTransactionSignature

method

in

org.ethereum.config.BlockchainConfig

@Override
public boolean acceptTransactionSignature(Transaction tx) {
  return parent.acceptTransactionSignature(tx);
}

@Override
public boolean acceptTransactionSignature(Transaction tx) {
  return parent.acceptTransactionSignature(tx) && tx.getChainId() == null;
}

if (!blockchainConfig.acceptTransactionSignature(tx)) {
  execError("Transaction signature not accepted: " + tx.getSignature());
  return;

boolean shouldAccept = transaction != null && blockchainConfig.acceptTransactionSignature(transaction);
if (!shouldAccept) transaction = null;
if (shouldAccept == (expectedSender == null)) {