使用助手方法和Kotlin复制方法运行流程以更新状态时遇到以下错误。
这是运行流时得到的错误消息+堆栈跟踪：
java.lang.NoSuchMethodError: @com.contractsAndStates.states.GameBoardState.<init>(ZLjava/util/List;Ljava/util/List;Ljava/util/List;Lnet/corda/core/contracts/UniqueIdentifier;Ljava/util/List;Ljava/util/List;ZILnet/corda/core/identity/Party;Lnet/corda/core/contracts/UniqueIdentifier;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
at com.flows.SetupGameBoardFlow.call(SetupGameBoardFlow.kt:250)
at com.flows.SetupGameBoardFlow.call(SetupGameBoardFlow.kt:34)
at net.corda.node.services.statemachine.FlowStateMachineImpl.run(FlowStateMachineImpl.kt:228)
at net.corda.node.services.statemachine.FlowStateMachineImpl.run(FlowStateMachineImpl.kt:45)
at co.paralleluniverse.fibers.Fiber.run1(Fiber.java:1092)
at co.paralleluniverse.fibers.Fiber.exec(Fiber.java:788)
at co.paralleluniverse.fibers.RunnableFiberTask.doExec(RunnableFiberTask.java:100)
at co.paralleluniverse.fibers.RunnableFiberTask.run(RunnableFiberTask.java:91)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at net.corda.node.utilities.AffinityExecutor$ServiceAffinityExecutor$1$thread$1.run(AffinityExecutor.kt:63)
我也在控制台中遇到这些奇怪的错误，这表明此问题与复制构造函数有关：
[quasar] WARNING: Method not found in class - assuming suspendable: com/contractsAndStates/states/GameBoardState#copy$default(Lcom/contractsAndStates/states/GameBoardState;ZLjava/util/List;Ljava/util/List;Ljava/util/List;Lnet/corda/core/contracts/UniqueIdentifier;Ljava/util/List;Ljava/util/List;ZILnet/corda/core/identity/Party;Lnet/corda/core/contracts/UniqueIdentifier;ILjava/lang/Object;)Lcom/contractsAndStates/states/GameBoardState; (at BuildInitialSettlementAndRoadFlow.kt:com/flows/BuildInitialSettlementAndRoadFlow#call)
[quasar] WARNING: Method not found in class - assuming suspendable: com/contractsAndStates/states/GameBoardState#copy$default(Lcom/contractsAndStates/states/GameBoardState;ZLjava/util/List;Ljava/util/List;Ljava/util/List;Lnet/corda/core/contracts/UniqueIdentifier;Ljava/util/List;Ljava/util/List;ZILnet/corda/core/identity/Party;Lnet/corda/core/contracts/UniqueIdentifier;ILjava/lang/Object;)Lcom/contractsAndStates/states/GameBoardState; (at BuildRoadFlow.kt:com/flows/BuildRoadFlow#call)
[quasar] WARNING: Method not found in class - assuming suspendable: com/contractsAndStates/states/GameBoardState#copy$default(Lcom/contractsAndStates/states/GameBoardState;ZLjava/util/List;Ljava/util/List;Ljava/util/List;Lnet/corda/core/contracts/UniqueIdentifier;Ljava/util/List;Ljava/util/List;ZILnet/corda/core/identity/Party;Lnet/corda/core/contracts/UniqueIdentifier;ILjava/lang/Object;)Lcom/contractsAndStates/states/GameBoardState; (at BuildSettlementFlow.kt:com/flows/BuildSettlementFlow#call)
这是我的状态：
@CordaSerializable
@BelongsToContract(GameStateContract::class)
data class GameBoardState(val beginner: Boolean = false,
val hexTiles: MutableList<HexTile>,
val ports: List<Port>,
val players: List<Party>,
val turnTrackerLinearId: UniqueIdentifier,
val robberLinearId: UniqueIdentifier,
val spectators: List<Party> = listOf(),
val settlementsPlaced: MutableList<MutableList<Boolean>> = MutableList(19) { MutableList(6) { false } },
var setUpComplete: Boolean = false,
var initialPiecesPlaced: Int = 0,
val winner: Party? = null,
override val linearId: UniqueIdentifier = UniqueIdentifier()): LinearState {
override val participants: List<Party> get() = players
fun updateHexTiles(updatedHexTiles: MutableList<HexTile>):
GameBoardState = copy(hexTiles = updatedHexTiles)
fun updateSettlementsPlaced(updatedSettlementsPlaced:
MutableList<MutableList<Boolean>>): GameBoardState = copy(settlementsPlaced = updatedSettlementsPlaced)
fun weWin(ourIdentity: Party): GameBoardState = copy(winner = ourIdentity)
}
这是我的流程：
// *******************
// * Game Start Flow *
// *******************
/**
* This is the first flow run by a given node in order to propose the start of a new game to other
* nodes on the network. In its current implementation the flow requires the specification of which
* parties will participate in the game. In the future there may be an opportunity to handle this auto-
* matically through match making functionality.
*/
// TODO: Make this flow testable by separating GameBoard generation functionality from flow logic.
@InitiatingFlow(version = 1)
@StartableByRPC
class SetupGameBoardFlow(val p1: Party, val p2: Party, val p3: Party, val p4: Party) : FlowLogic<SignedTransaction>() {
companion object {
object GETTING_NOTARY : ProgressTracker.Step("Getting reference to the notary")
object INITIALIZING_TRANSACTION : ProgressTracker.Step("Initializing the transaction and transaction builder")
object ISSUING_COMMANDS : ProgressTracker.Step("Issuing the appropriate commands")
object CREATING_A_TURN_TRACKER : ProgressTracker.Step("Creating a turn tracker for you buncha' cheaters")
object SETTING_UP_YOUR_GAMEBOARD : ProgressTracker.Step("Setting up your personal GameBoard on Corda")
object FINALIZING_GAMEBOARD : ProgressTracker.Step("Finalizing your GameBoard on Corda")
object ADDING_PORTS_FOR_YOU_SEAFARING_SOULS : ProgressTracker.Step("Adding sea-ports for your sea-faring souls")
object FINDING_A_VILLAIN_TO_PLAY_THE_ROBBER : ProgressTracker.Step("Finding a villain to play the robber")
object ADDING_ALL_GAME_STATES_TO_THE_TRANSACTION : ProgressTracker.Step("Adding all states to the transaction")
object VERIFYING : ProgressTracker.Step("Verifying the transaction")
object COLLECTING_SIGNATURES : ProgressTracker.Step("Collecting signatures from your fellow citizens of Cordan")
object FINALIZING_TRANSACTION : ProgressTracker.Step("Finalizing the transaction")
}
override val progressTracker = ProgressTracker(
GETTING_NOTARY,
INITIALIZING_TRANSACTION,
ISSUING_COMMANDS,
CREATING_A_TURN_TRACKER,
SETTING_UP_YOUR_GAMEBOARD,
ADDING_PORTS_FOR_YOU_SEAFARING_SOULS,
FINALIZING_GAMEBOARD,
ADDING_ALL_GAME_STATES_TO_THE_TRANSACTION,
FINDING_A_VILLAIN_TO_PLAY_THE_ROBBER,
VERIFYING,
COLLECTING_SIGNATURES,
FINALIZING_TRANSACTION
)
@Suspendable
override fun call(): SignedTransaction {
/**
* The following objects define all of the steps required to execute the flow. These steps will
* be executed in sequence to set up a game board and displayed to the user via a progress tracker.
*/
// Step 1. Get a reference to the notary service on the network
progressTracker.currentStep = GETTING_NOTARY
val notary = serviceHub.networkMapCache.notaryIdentities.first()
// Step 2. Create a new transaction builder
progressTracker.currentStep = INITIALIZING_TRANSACTION
val tb = TransactionBuilder(notary)
// Step 3. Create a new issue command and add it to the transaction.
val playerKeys = listOf(p1.owningKey, p2.owningKey, p3.owningKey, p4.owningKey)
progressTracker.currentStep = ISSUING_COMMANDS
val issueCommand = Command(GameStateContract.Commands.SetUpGameBoard(), playerKeys)
val createTurnTracker = Command(TurnTrackerContract.Commands.CreateTurnTracker(), playerKeys)
tb.addCommand(issueCommand)
tb.addCommand(createTurnTracker)
// Step 4. Create a new turn tracker state
progressTracker.currentStep = CREATING_A_TURN_TRACKER
val turnTrackerState = TurnTrackerState(participants = listOf(p1, p2, p3, p4))
// Step 5. Generate data for new game state
progressTracker.currentStep = SETTING_UP_YOUR_GAMEBOARD
// Storage for hexTiles that will be randomly generated.
val hexTiles = arrayListOf<HexTile>()
// Available Terrain types which will determine resources generated by hex tiles.
val terrainTypes: Array<String> = arrayOf("Forest", "Pasture", "Field", "Hill", "Mountain", "Desert")
/**
* Ports in Settlers of Cordan enable users to exchange resources at more favourable rates than those available to players generally.
* To access a port, a player must have previously built a settlement on a hex tile with an adjacent port. The settlement must also
* be built on one of the designated access point specified below.
*/
// Available Port Tiles
progressTracker.currentStep = ADDING_PORTS_FOR_YOU_SEAFARING_SOULS
progressTracker.nextStep()
val portTilesTracking = BooleanArray(9)
val portTiles: ArrayList<PortTile> = arrayListOf(
PortTile(listOf(2.Sheep), listOf(1.Wood, 1.Brick, 1.Ore, 1.Wheat)),
PortTile(listOf(2.Wood), listOf(1.Sheep, 1.Brick, 1.Ore, 1.Wheat)),
PortTile(listOf(2.Brick), listOf(1.Wood, 1.Sheep, 1.Ore, 1.Wheat)),
PortTile(listOf(2.Ore), listOf(1.Wood, 1.Sheep, 1.Brick, 1.Wheat)),
PortTile(listOf(2.Wheat), listOf(1.Wood, 1.Sheep, 1.Brick, 1.Sheep)),
PortTile(listOf(3.Wheat, 3.Wood, 3.Sheep, 3.Brick, 3.Sheep), listOf(1.Wheat, 1.Wood, 1.Sheep, 1.Brick, 1.Sheep)),
PortTile(listOf(3.Wheat, 3.Wood, 3.Sheep, 3.Brick, 3.Sheep), listOf(1.Wheat, 1.Wood, 1.Sheep, 1.Brick, 1.Sheep)),
PortTile(listOf(3.Wheat, 3.Wood, 3.Sheep, 3.Brick, 3.Sheep), listOf(1.Wheat, 1.Wood, 1.Sheep, 1.Brick, 1.Sheep)),
PortTile(listOf(3.Wheat, 3.Wood, 3.Sheep, 3.Brick, 3.Sheep), listOf(1.Wheat, 1.Wood, 1.Sheep, 1.Brick, 1.Sheep))
)
val portHexTileAccessPointMapping = arrayListOf(
listOf(AccessPoint(0, listOf(5, 1))),
listOf(AccessPoint(1, listOf(0, 2)), AccessPoint(2, listOf(5))),
listOf(AccessPoint(2, listOf(2)), AccessPoint(6, listOf(0, 1))),
listOf(AccessPoint(11, listOf(1, 2))),
listOf(AccessPoint(15, listOf(2, 3)), AccessPoint(18, listOf(1))),
listOf(AccessPoint(18, listOf(4)), AccessPoint(17, listOf(2, 3))),
listOf(AccessPoint(16, listOf(3, 4))),
listOf(AccessPoint(12, listOf(4, 5)), AccessPoint(7, listOf(3))),
listOf(AccessPoint(3, listOf(4, 5)), AccessPoint(7, listOf(0)))
)
val ports: ArrayList<Port> = arrayListOf()
for (i in 0..8) {
var currPortTileIndex = Math.floor(Math.random() * (portTiles.size)).toInt()
while (portTilesTracking[currPortTileIndex]) {
currPortTileIndex = Math.floor(Math.random() * (portTiles.size)).toInt()
}
val currPortTile = portTiles[currPortTileIndex]
ports.add(i, Port(currPortTile, portHexTileAccessPointMapping[i]))
}
/**
* Role trigger tiles are placed on hexTiles to denote the dice role that gives the player the right to harvest a resource on a given turn.
* These are placed in counter-clockwise order, start from the top left corner of the game board.
*/
val roleTriggerTilePlacementMapping: Map<Int, Int> = mapOf(
0 to 5, 1 to 2, 2 to 6, 3 to 3, 4 to 8, 5 to 10, 6 to 9, 7 to 12, 8 to 11, 9 to 4,
10 to 8, 11 to 10, 12 to 9, 13 to 4, 14 to 5, 15 to 6, 16 to 3, 17 to 11
)
/**
* Order in which rollTriggerTiles are placed on the existing hex tiles (translating counterclockwise placement to row-by-row hexTile ordering)
*/
val roleTriggerTilePlacementOrder = arrayListOf(0, 11, 10, 1, 12, 17, 9, 2, 13, 18, 16, 8, 3, 14, 15, 7, 4, 5, 6)
// Array with maximums for a specific type of HexTile that may be added to the game board.
val checkArray = intArrayOf(4, 4, 4, 3, 3, 1)
// Array with counters for specific types of HexTiles added to the game board.
val countArray = intArrayOf(0, 0, 0, 0, 0, 0)
// Index adjustment variable to account desert placement
var desertSkippedIndexAdjustment = 0
for (i in 0..18) {
// Get a random index between 0 and 5 which will be used to access the HexTileTypes.
var hexTypeIndex = (Math.random() * 6).toInt()
// Check to ensure HexTiles selected so far do not exceed max of each type specified in checkArray.
while (countArray[hexTypeIndex] >= checkArray[hexTypeIndex]) {
hexTypeIndex = (Math.random() * 6).toInt()
}
// Get the hex resource type.
val hexType = terrainTypes[hexTypeIndex]
// Get the port (if relevant) to add to the HexTile
// Create a HexTile to add to the gameboard.
// Use role trigger placement mapping, role trigger placement order, and desertSkippedIndexAdjustment to ensure that role triggers
// Are placed in the appropriate order.
hexTiles.add(i, HexTile(
hexType,
if (hexType.equals("Desert")) 0 else roleTriggerTilePlacementMapping.getOrElse(roleTriggerTilePlacementOrder[i - desertSkippedIndexAdjustment]) { 0 },
terrainTypes[hexTypeIndex] == "Desert",
i))
countArray[hexTypeIndex]++
// Establish the index adjustment once a desert HexTile has been encountered.
if (hexType.equals("Desert")) {
desertSkippedIndexAdjustment = 1
}
}
/**
* Define the neighbouring hexTiles for each individual hexTile. In essence, we are creating a fully-connected graph modelling the state of the game board, this is necessary for a number of reasons,
* including checking for valid placement of new roads and structures without forcing the user to provide unnecessarily specific input.
*/
/**
* TODO: Refactor to create a boolean mapping of settlements built with overlapping references such that building a settlement at coordinate 'n' on HexTile 'n'
* causes the bool variable for the coordinate to flip from false to true, the bool variable is shared by hexTiles.
*/
for (i in 0..2) {
hexTiles[i].connect(3, hexTiles[ i + 3])
hexTiles[i].connect(2, hexTiles[ i + 4])
if (i != 2) hexTiles[i].connect(1, hexTiles[ i + 1])
}
for (i in 3..6) {
hexTiles[i].connect(3, hexTiles[ i + 4])
hexTiles[i].connect(2, hexTiles[ i + 5])
if (i != 6) hexTiles[i].connect(1, hexTiles[ i + 1])
}
for (i in 7..11) {
if (i != 6) hexTiles[i].connect(1, hexTiles[ i + 1])
}
for (i in 12..15) {
hexTiles[i].connect(5, hexTiles[ i - 5])
hexTiles[i].connect(0, hexTiles[ i - 4])
if (i != 15) hexTiles[i].connect(1, hexTiles[ i + 1])
}
for (i in 16..18) {
hexTiles[i].connect(5, hexTiles[ i - 4])
hexTiles[i].connect(0, hexTiles[ i - 3])
if (i != 18) hexTiles[i].connect(1, hexTiles[ i + 1])
}
// Step 5. Create a new game state
// Randomize turn order
val playersList = listOf(p1, p2, p3, p4)
val randomizedPlayersList = arrayListOf<Party>()
while (randomizedPlayersList.size < 4) {
val randomNumber = (Math.random() * 3.99).toInt()
if (!randomizedPlayersList.contains(playersList[randomNumber])) {
randomizedPlayersList.add(playersList[randomNumber])
}
}
// Step 6. Create a robber state and issueRobber commands - add both to the transaction
progressTracker.currentStep = FINDING_A_VILLAIN_TO_PLAY_THE_ROBBER
val hexTileWithDesert = hexTiles.filter { it.resourceType == "Desert" }.single()
val robberState = RobberState(hexTileWithDesert.hexTileIndex, playersList)
val createRobberCommand = Command(RobberContract.Commands.CreateRobber(), playerKeys)
tb.addOutputState(robberState)
tb.addCommand(createRobberCommand)
progressTracker.currentStep = FINALIZING_GAMEBOARD
val newGameState = GameBoardState(false, hexTiles, ports, randomizedPlayersList, turnTrackerState.linearId, robberState.linearId)
// Step 7. Add the states to the transaction
progressTracker.currentStep = ADDING_ALL_GAME_STATES_TO_THE_TRANSACTION
tb.addOutputState(newGameState, GameStateContract.ID)
tb.addOutputState(turnTrackerState, TurnTrackerContract.ID)
// Step 8. Verify and sign the transaction
progressTracker.currentStep = VERIFYING
tb.verify(serviceHub)
val ptx = serviceHub.signInitialTransaction(tb)
// Step 8. Create a list of flows with the relevant participants
progressTracker.currentStep = COLLECTING_SIGNATURES
val sessions = (newGameState.participants - ourIdentity).map { initiateFlow(it) }.toSet()
// Step 9. Collect other signatures
val stx = subFlow(CollectSignaturesFlow(ptx, sessions))
// Step 10. Run the FinalityFlow
progressTracker.currentStep = FINALIZING_TRANSACTION
val linearIDToBePrinted = newGameState.linearId
val players = newGameState.players
val playerNames = players.map { it.name.toString() }
val currPlayer = players[0]
// TODO: This messaging is not displaying
System.out.println("\nYour unique game board identified is $linearIDToBePrinted")
System.out.println("\nYou are playing with $playerNames")
if (ourIdentity == currPlayer) {
System.out.println("\nIt is your turn, you should use the BuildInitialSettlementAndRoadFlow to setup the board!")
} else {
System.out.println("\nIt is $currPlayer's turn")
}
return subFlow(FinalityFlow(stx, sessions))
}
}
@InitiatedBy(SetupGameBoardFlow::class)
class SetupGameBoardFlowResponder(val counterpartySession: FlowSession) : FlowLogic<SignedTransaction>() {
@Suspendable
override fun call(): SignedTransaction {
val signedTransactionFlow = object : SignTransactionFlow(counterpartySession) {
override fun checkTransaction(stx: SignedTransaction) = requireThat {
System.out.println("\nSomeone has invited you to play Settlers of Cordan (Catan on Corda)\n")
val gameBoardState = stx.coreTransaction.outputsOfType<GameBoardState>().single()
val linearIDToBePrinted = gameBoardState.linearId
val players = gameBoardState.players
val playerNames = players.map { it.name.toString() }
val currPlayer = players[0]
System.out.println("\nYour unique game board identified is $linearIDToBePrinted")
System.out.println("\nYou are playing with $playerNames")
if (ourIdentity == currPlayer) {
System.out.println("\nIt is your turn, you should use the BuildInitialSettlementAndRoadFlow to setup the board!")
} else {
System.out.println("\nIt is $currPlayer's turn")
}
}
}
val txWeJustSignedId = subFlow(signedTransactionFlow)
return subFlow(ReceiveFinalityFlow(otherSideSession = counterpartySession, expectedTxId = txWeJustSignedId.id))
}
}