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Prevent arbitrary data transactions being created unless the network supports it (i.e. the hard fork has taken place).

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This commit is contained in:
CalDescent 2021-11-13 10:29:01 +00:00
parent d3862c97ba
commit b7bcd8da7d
1 changed files with 11 additions and 1 deletions
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12
src/main/java/org/qortal/arbitrary/ArbitraryDataTransactionBuilder.java
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@ -31,6 +31,9 @@ public class ArbitraryDataTransactionBuilder {
private static final Logger LOGGER = LogManager.getLogger(ArbitraryDataTransactionBuilder.class); private static final Logger LOGGER = LogManager.getLogger(ArbitraryDataTransactionBuilder.class);
// Min transaction version required
private static final int MIN_TRANSACTION_VERSION = 5;
// Maximum number of PATCH layers allowed // Maximum number of PATCH layers allowed
private static final int MAX_LAYERS = 10; private static final int MAX_LAYERS = 10;
// Maximum size difference (out of 1) allowed for PATCH transactions // Maximum size difference (out of 1) allowed for PATCH transactions
@ -132,6 +135,13 @@ public class ArbitraryDataTransactionBuilder {
private void createTransaction() throws DataException { private void createTransaction() throws DataException {
ArbitraryDataFile arbitraryDataFile = null; ArbitraryDataFile arbitraryDataFile = null;
try (final Repository repository = RepositoryManager.getRepository()) { try (final Repository repository = RepositoryManager.getRepository()) {
Long now = NTP.getTime();
// Ensure that this chain supports transactions necessary for complex arbitrary data
int transactionVersion = Transaction.getVersionByTimestamp(now);
if (transactionVersion < MIN_TRANSACTION_VERSION) {
throw new DataException(String.format("Transaction version unsupported on this blockchain."));
}
if (publicKey58 == null || path == null) { if (publicKey58 == null || path == null) {
throw new DataException("Missing public key or path"); throw new DataException("Missing public key or path");
@ -172,7 +182,7 @@ public class ArbitraryDataTransactionBuilder {
throw new DataException("Unable to calculate file digest"); throw new DataException("Unable to calculate file digest");
} }
final BaseTransactionData baseTransactionData = new BaseTransactionData(NTP.getTime(), Group.NO_GROUP, final BaseTransactionData baseTransactionData = new BaseTransactionData(now, Group.NO_GROUP,
lastReference, creatorPublicKey, BlockChain.getInstance().getUnitFee(), null); lastReference, creatorPublicKey, BlockChain.getInstance().getUnitFee(), null);
final int size = (int) arbitraryDataFile.size(); final int size = (int) arbitraryDataFile.size();
final int version = 5; final int version = 5;