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Added AT transaction deserialization, to all them to be sent in messages for lite nodes.

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Note that it is currently not easy to distinguish between MESSAGE-type and PAYMENT-type AT transactions, so PAYMENT-type is currently the only one supported (and used). A hard fork will likely be needed in order to specify the type within each message.
This commit is contained in:
CalDescent 2022-03-22 08:54:10 +00:00
parent 3484047ad4
commit 0815ad2cf0
1 changed files with 28 additions and 2 deletions
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30
src/main/java/org/qortal/transform/transaction/AtTransactionTransformer.java
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@ -4,8 +4,11 @@ import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.qortal.account.NullAccount;
import org.qortal.data.transaction.ATTransactionData;
import org.qortal.data.transaction.BaseTransactionData;
import org.qortal.data.transaction.TransactionData;
import org.qortal.group.Group;
import org.qortal.transform.TransformationException;
import org.qortal.utils.Serialization;
@ -18,11 +21,34 @@ public class AtTransactionTransformer extends TransactionTransformer {
// Property lengths
public static TransactionData fromByteBuffer(ByteBuffer byteBuffer) throws TransformationException {
throw new TransformationException("Serialized AT transactions should not exist!");
long timestamp = byteBuffer.getLong();
byte[] reference = new byte[REFERENCE_LENGTH];
byteBuffer.get(reference);
String atAddress = Serialization.deserializeAddress(byteBuffer);
String recipient = Serialization.deserializeAddress(byteBuffer);
// Assume PAYMENT-type, as these are the only ones used in ACCTs
// TODO: add support for MESSAGE-type
long assetId = byteBuffer.getLong();
long amount = byteBuffer.getLong();
long fee = byteBuffer.getLong();
byte[] signature = new byte[SIGNATURE_LENGTH];
byteBuffer.get(signature);
BaseTransactionData baseTransactionData = new BaseTransactionData(timestamp, Group.NO_GROUP, reference, NullAccount.PUBLIC_KEY, fee, signature);
return new ATTransactionData(baseTransactionData, atAddress, recipient, amount, assetId);
}
public static int getDataLength(TransactionData transactionData) throws TransformationException {
throw new TransformationException("Serialized AT transactions should not exist!");
return TYPE_LENGTH + TIMESTAMP_LENGTH + REFERENCE_LENGTH + ADDRESS_LENGTH + ADDRESS_LENGTH +
ASSET_ID_LENGTH + AMOUNT_LENGTH + FEE_LENGTH + SIGNATURE_LENGTH;
}
// Used for generating fake transaction signatures