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WIP: PRESENCE transactions - support only TRADE_BOT type and restrict to known trades

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catbref
2020-11-26 16:33:21 +00:00
parent 15d25649b2
commit a52c089728
2 changed files with 63 additions and 2 deletions
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25
src/main/java/org/qortal/transaction/PresenceTransaction.java
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@@ -6,10 +6,14 @@ import java.util.List;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.qortal.account.Account;
import org.qortal.crosschain.BTCACCT;
import org.qortal.crypto.Crypto;
import org.qortal.crypto.MemoryPoW;
import org.qortal.data.at.ATData;
import org.qortal.data.crosschain.CrossChainTradeData;
import org.qortal.data.transaction.PresenceTransactionData;
import org.qortal.data.transaction.TransactionData;
import org.qortal.data.transaction.PresenceTransactionData.PresenceType;
import org.qortal.group.Group;
import org.qortal.repository.DataException;
import org.qortal.repository.Repository;
@@ -104,13 +108,32 @@ public class PresenceTransaction extends Transaction {
if (this.repository.getTransactionRepository().exists(this.presenceTransactionData.getSignature()))
return ValidationResult.INVALID_BUT_OK;
// We only support TRADE_BOT-type PRESENCE at this time
if (PresenceType.TRADE_BOT != this.presenceTransactionData.getPresenceType())
return ValidationResult.NOT_YET_RELEASED;
// Check timestamp signature
byte[] timestampSignature = this.presenceTransactionData.getTimestampSignature();
byte[] timestampBytes = Longs.toByteArray(this.presenceTransactionData.getTimestamp());
if (!Crypto.verify(this.transactionData.getCreatorPublicKey(), timestampSignature, timestampBytes))
return ValidationResult.INVALID_TIMESTAMP_SIGNATURE;
return ValidationResult.OK;
// Check signer is known trade address
String signerAddress = Crypto.toAddress(this.transactionData.getCreatorPublicKey());
byte[] codeHash = BTCACCT.CODE_BYTES_HASH;
boolean isExecutable = true;
List<ATData> atsData = repository.getATRepository().getATsByFunctionality(codeHash, isExecutable, null, null, null);
for (ATData atData : atsData) {
CrossChainTradeData crossChainTradeData = BTCACCT.populateTradeData(repository, atData);
if (crossChainTradeData.qortalCreatorTradeAddress.equals(signerAddress))
return ValidationResult.OK;
}
return ValidationResult.AT_UNKNOWN;
}
@Override