djmil/corda-checkers
djmil/corda-checkers
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minor cleanup

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This commit is contained in:
djmil 2023-09-21 23:15:57 +02:00
parent 9004e8a408
commit 2a026de472
2 changed files with 8 additions and 35 deletions
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5
corda/contracts/src/main/java/djmil/cordacheckers/contracts/GameCommand.java
View File

@ -73,10 +73,10 @@ public class GameCommand implements Command {
return move;
}
/*
* Session initiator/respondent
*/
public MemberX500Name getCounterparty(StateAndRef<GameState> gameStateSar) {
final GameState gameState = gameStateSar.getState().getContractState();
return gameState.getOpponentName(getInitiator(gameState));
@ -192,8 +192,6 @@ public class GameCommand implements Command {
requireThat(inActors.containsAll(outActors) && outActors.containsAll(inActors), IN_OUT_PARTICIPANTS);
final var activePlayerName = getInitiator(inGameBoardState);
requireThat(inGameBoardState.getActivePlayerName().compareTo(activePlayerName) == 0, SURRENDER_ACTOR + "expected " +inGameBoardState.getActivePlayerName() +" actual " +activePlayerName);
final var expectedWinnerName = inGameBoardState.getOpponentName(activePlayerName);
requireThat(outGameResultState.getWinnerName().compareTo(expectedWinnerName) == 0,
"Expected winner "+expectedWinnerName.getCommonName() +", proposed winner " +outGameResultState.getWinnerName().getCommonName());
@ -237,7 +235,6 @@ public class GameCommand implements Command {
static final String SURRENDER_INPUT_STATE = "SURRENDER command should have exactly one GameBoardState input state";
static final String SURRENDER_OUTPUT_STATE = "SURRENDER command should have exactly one GameResultState output state";
static final String SURRENDER_ACTOR = "Only active player can SURRENDER";
static final String MOVE_INPUT_STATE = "MOVE command should have exactly one GameBoardState input state";
static final String MOVE_OUTPUT_STATE = "MOVE command should have exactly one GameBoardState output state";

36
corda/contracts/src/main/java/djmil/cordacheckers/contracts/UtxoLedgerTransactionUtil.java
View File

@ -11,49 +11,25 @@ public class UtxoLedgerTransactionUtil {
return single(utxoTrx.getCommands(clazz), clazz);
}
// public static <T extends ContractState> StateAndRef<T> getSingleReferenceSar(UtxoLedgerTransaction utxoTrx, Class<T> clazz) {
// return singleSar(utxoTrx.getReferenceStateAndRefs(clazz), clazz);
// }
public static <T extends GameState> T getSingleInputState(UtxoLedgerTransaction utxoTrx, Class<T> clazz) {
return single(utxoTrx.getInputStates(clazz), clazz);
}
// public static <T extends ContractState> StateAndRef<T> getSingleInputSar(UtxoLedgerTransaction utxoTrx, Class<T> clazz) {
// return singleSar(utxoTrx.getInputStateAndRefs(clazz), clazz);
// }
public static <T extends GameState> T getSingleOutputState(UtxoLedgerTransaction utxoTrx, Class<T> clazz) {
return single(utxoTrx.getOutputStates(clazz), clazz);
}
// public static <T extends Command> Optional<T> getOptionalCommand(UtxoLedgerTransaction utxoTrx, Class<T> clazz) {
// return optional(utxoTrx.getCommands(clazz), clazz);
// }
// public static <T extends ContractState> Optional<T> getOptionalReferenceState(UtxoLedgerTransaction utxoTrx, Class<T> clazz) {
// return optional(utxoTrx.getReferenceStates(clazz), clazz);
// }
// public static <T extends ContractState> Optional<T> getOptionalInputState(UtxoLedgerTransaction utxoTrx, Class<T> clazz) {
// return optional(utxoTrx.getInputStates(clazz), clazz);
// }
// public static <T extends ContractState> Optional<T> getOptionalOutputState(UtxoLedgerTransaction utxoTrx, Class<T> clazz) {
// return optional(utxoTrx.getOutputStates(clazz), clazz);
// }
private static <T> Optional<T> optional(List<T> list, Class<T> clazz) {
return list
.stream()
.reduce((a, b) -> {throw new IllegalStateException(MULTIPLE_INSTANCES_OF +clazz.getName());});
}
private static <T> T single(List<T> list, Class<T> clazz) {
return optional(list, clazz)
.orElseThrow( () -> new IllegalStateException(NO_INSTANCES_OF +clazz.getName()) );
}
private static <T> Optional<T> optional(List<T> list, Class<T> clazz) {
return list
.stream()
.reduce((a, b) -> {throw new IllegalStateException(MULTIPLE_INSTANCES_OF +clazz.getName());});
}
private static String MULTIPLE_INSTANCES_OF = "Multiple instances of ";
private static String NO_INSTANCES_OF = "No instances of ";
}