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arbitrator can resolve their disputes after unregistered

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This commit is contained in:
woodser 2023-08-20 09:47:28 -04:00
parent a35f38b76d
commit 8460346feb
2 changed files with 29 additions and 12 deletions
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22
core/src/main/java/haveno/core/support/dispute/DisputeSummaryVerification.java
View File

@ -18,6 +18,7 @@
package haveno.core.support.dispute;
import haveno.common.crypto.Hash;
import haveno.common.crypto.PubKeyRing;
import haveno.common.util.Utilities;
import haveno.core.locale.Res;
import haveno.core.support.dispute.agent.DisputeAgent;
@ -59,20 +60,35 @@ public class DisputeSummaryVerification {
}
public static void verifySignature(String input,
ArbitratorManager arbitratorMediator) {
ArbitratorManager arbitratorManager) {
// get dispute agent
DisputeAgent disputeAgent = null;
try {
String[] parts = input.split(SEPARATOR1);
String textToSign = parts[0];
String fullAddress = textToSign.split("\n")[1].split(": ")[1];
NodeAddress nodeAddress = new NodeAddress(fullAddress);
DisputeAgent disputeAgent = arbitratorMediator.getDisputeAgentByNodeAddress(nodeAddress).orElse(null);
disputeAgent = arbitratorManager.getDisputeAgentByNodeAddress(nodeAddress).orElse(null);
checkNotNull(disputeAgent, "Dispute agent is null");
} catch (Throwable e) {
e.printStackTrace();
throw new IllegalArgumentException(Res.get("support.sigCheck.popup.invalidFormat"));
}
// verify signature with pub key ring
verifySignature(input, disputeAgent.getPubKeyRing());
}
public static void verifySignature(String input,
PubKeyRing agentPubKeyRing) {
try {
String[] parts = input.split(SEPARATOR1);
String textToSign = parts[0];
String sigString = parts[1].split(SEPARATOR2)[0];
byte[] sig = Utilities.decodeFromHex(sigString);
byte[] hash = Hash.getSha256Hash(textToSign);
try {
HavenoUtils.verifySignature(disputeAgent.getPubKeyRing(), hash, sig);
HavenoUtils.verifySignature(agentPubKeyRing, hash, sig);
} catch (Exception e) {
throw new IllegalArgumentException(Res.get("support.sigCheck.popup.failed"));
}

19
core/src/main/java/haveno/core/support/dispute/arbitration/ArbitrationManager.java
View File

@ -198,14 +198,6 @@ public final class ArbitrationManager extends DisputeManager<ArbitrationDisputeL
log.info("Processing {} for {} {}", disputeClosedMessage.getClass().getSimpleName(), trade.getClass().getSimpleName(), disputeResult.getTradeId());
// verify arbitrator signature
String summaryText = chatMessage.getMessage();
DisputeSummaryVerification.verifySignature(summaryText, arbitratorManager);
// save dispute closed message for reprocessing
trade.getProcessModel().setDisputeClosedMessage(disputeClosedMessage);
requestPersistence();
// get dispute
Optional<Dispute> disputeOptional = findDispute(disputeResult);
String uid = disputeClosedMessage.getUid();
@ -225,7 +217,16 @@ public final class ArbitrationManager extends DisputeManager<ArbitrationDisputeL
}
dispute = disputeOptional.get();
// verify that arbitrator does not get DisputeClosedMessage
// verify arbitrator signature
String summaryText = chatMessage.getMessage();
if (dispute != null) DisputeSummaryVerification.verifySignature(summaryText, dispute.getAgentPubKeyRing()); // use dispute's arbitrator pub key ring
else DisputeSummaryVerification.verifySignature(summaryText, arbitratorManager); // verify using registered arbitrator (will fail is arbitrator is unregistered)
// save dispute closed message for reprocessing
trade.getProcessModel().setDisputeClosedMessage(disputeClosedMessage);
requestPersistence();
// verify arbitrator does not receive DisputeClosedMessage
if (keyRing.getPubKeyRing().equals(dispute.getAgentPubKeyRing())) {
log.error("Arbitrator received disputeResultMessage. That should never happen.");
trade.getProcessModel().setDisputeClosedMessage(null); // don't reprocess