djmil/corda-checkers
djmil/corda-checkers
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.getTransaction()

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djmil 2023-11-28 21:34:40 +01:00
parent 946721c40e
commit 098645710f
1 changed files with 23 additions and 25 deletions
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40
corda/workflows/src/main/java/djmil/cordacheckers/gamestate/CommitTrxResponder.java
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@ -12,9 +12,9 @@ import net.corda.v5.application.membership.MemberLookup;
import net.corda.v5.application.messaging.FlowSession;
import net.corda.v5.base.annotations.Suspendable;
import net.corda.v5.base.exceptions.CordaRuntimeException;
import net.corda.v5.base.types.MemberX500Name;
import net.corda.v5.ledger.utxo.UtxoLedgerService;
import net.corda.v5.ledger.utxo.transaction.UtxoLedgerTransaction;
import net.corda.v5.ledger.utxo.transaction.UtxoSignedTransaction;
import net.corda.v5.ledger.utxo.transaction.UtxoTransactionValidator;
@InitiatedBy(protocol = "gamestate-commit")
@ -31,8 +31,8 @@ public class CommitTrxResponder implements ResponderFlow {
@Suspendable
@Override
public void call(FlowSession session) {
UtxoTransactionValidator txValidator = trxToValidate -> {
try {
try {
UtxoTransactionValidator txValidator = trxToValidate -> {
checkParticipants(session, trxToValidate);
/*
@ -40,16 +40,13 @@ public class CommitTrxResponder implements ResponderFlow {
*/
log.info("Approval for " + trxToValidate.getId());
} catch (Exception e) {
log.warn("Validation has failed. " +e.getMessage());
// We have to re-trow an exception to indicate validation failure
throw new CordaRuntimeException(e.getClass().getCanonicalName(), e.getMessage(), e.getCause());
}
};
};
try {
this.utxoLedgerService
.receiveFinality(session, txValidator);
UtxoSignedTransaction finalizedSignedTransaction = this.utxoLedgerService
.receiveFinality(session, txValidator)
.getTransaction();
log.info("Finished responder flow - " + finalizedSignedTransaction.getId());
} catch (Exception e) {
// Log Corda's specific message about finality validation failure
log.warn(e.getMessage());
@ -57,11 +54,11 @@ public class CommitTrxResponder implements ResponderFlow {
}
@Suspendable
void checkParticipants(FlowSession session, UtxoLedgerTransaction gameStateUtxo) throws ParticipantException {
void checkParticipants(FlowSession session, UtxoLedgerTransaction gameStateUtxo) {
final GameInfo info = new GameInfo(gameStateUtxo);
final var conterpartyName = session.getCounterparty();
if (info.issuer.compareTo(conterpartyName) != 0)
throw new ParticipantException("Issuer", conterpartyName, info.issuer);
throw new CordaRuntimeException("Bad Issuer. Expected: " + conterpartyName + " actual: " + info.issuer);
final var myInfo = memberLookup.myInfo();
if (VNode.isCordaCherckersCustodian(myInfo))
@ -69,13 +66,14 @@ public class CommitTrxResponder implements ResponderFlow {
final var opponentName = info.state.getOpponentName(myInfo.getName()); // throws NotInvolved
if (conterpartyName.compareTo(opponentName) != 0)
throw new ParticipantException("Opponent", conterpartyName, opponentName);
}
public static class ParticipantException extends Exception {
public ParticipantException(String role, MemberX500Name expected, MemberX500Name actual) {
super("Bad participants. " +role +" role: expected '" +expected +"', actual '" +actual +"'");
}
throw new CordaRuntimeException("Bad Opponent. Expcted: " + conterpartyName + " axtual: " + opponentName);
}
// public static class ParticipantException extends Exception {
// public ParticipantException(String role, MemberX500Name expected,
// MemberX500Name actual) {
// super("Bad participants. " +role +" role: expected '" +expected +"', actual
// '" +actual +"'");
// }
// }
}