public override IAccountStateDelta Execute(IActionContext context) { IAccountStateDelta states = context.PreviousStates; Address monsterCollectionAddress = MonsterCollectionState0.DeriveAddress(context.Signer, collectionRound); if (context.Rehearsal) { return(states .SetState(monsterCollectionAddress, MarkChanged) .SetState(context.Signer, MarkChanged) .MarkBalanceChanged(GoldCurrencyMock, context.Signer, monsterCollectionAddress)); } CheckObsolete(BlockChain.Policy.BlockPolicySource.V100080ObsoleteIndex, context); MonsterCollectionSheet monsterCollectionSheet = states.GetSheet <MonsterCollectionSheet>(); AgentState agentState = states.GetAgentState(context.Signer); if (agentState is null) { throw new FailedLoadStateException("Aborted as the agent state failed to load."); } if (agentState.MonsterCollectionRound != collectionRound) { throw new InvalidMonsterCollectionRoundException( $"Expected collection round is {agentState.MonsterCollectionRound}, but actual collection round is {collectionRound}."); } if (!monsterCollectionSheet.TryGetValue(level, out MonsterCollectionSheet.Row _)) { throw new SheetRowNotFoundException(nameof(MonsterCollectionSheet), level); } Currency currency = states.GetGoldCurrency(); // Set default gold value. FungibleAssetValue requiredGold = currency * 0; FungibleAssetValue balance = states.GetBalance(context.Signer, states.GetGoldCurrency()); MonsterCollectionState0 monsterCollectionState; int currentLevel = 1; MonsterCollectionRewardSheet monsterCollectionRewardSheet = states.GetSheet <MonsterCollectionRewardSheet>(); if (states.TryGetState(monsterCollectionAddress, out Dictionary stateDict)) { monsterCollectionState = new MonsterCollectionState0(stateDict); if (monsterCollectionState.ExpiredBlockIndex < context.BlockIndex) { throw new MonsterCollectionExpiredException( $"{monsterCollectionAddress} has already expired on {monsterCollectionState.ExpiredBlockIndex}"); } if (monsterCollectionState.Level >= level) { throw new InvalidLevelException($"The level must be greater than {monsterCollectionState.Level}."); } currentLevel = monsterCollectionState.Level + 1; long rewardLevel = monsterCollectionState.GetRewardLevel(context.BlockIndex); monsterCollectionState.Update(level, rewardLevel, monsterCollectionRewardSheet); } else { monsterCollectionState = new MonsterCollectionState0(monsterCollectionAddress, level, context.BlockIndex, monsterCollectionRewardSheet); } for (int i = currentLevel; i < level + 1; i++) { requiredGold += currency * monsterCollectionSheet[i].RequiredGold; } if (balance < requiredGold) { throw new InsufficientBalanceException(context.Signer, requiredGold, $"There is no sufficient balance for {context.Signer}: {balance} < {requiredGold}"); } states = states.TransferAsset(context.Signer, monsterCollectionAddress, requiredGold); states = states.SetState(monsterCollectionAddress, monsterCollectionState.Serialize()); return(states); }
public override IAccountStateDelta Execute(IActionContext context) { IAccountStateDelta states = context.PreviousStates; if (context.Rehearsal) { return(states .SetState(MonsterCollectionState.DeriveAddress(context.Signer, 0), MarkChanged) .SetState(MonsterCollectionState.DeriveAddress(context.Signer, 1), MarkChanged) .SetState(MonsterCollectionState.DeriveAddress(context.Signer, 2), MarkChanged) .SetState(MonsterCollectionState.DeriveAddress(context.Signer, 3), MarkChanged) .SetState(context.Signer, MarkChanged) .MarkBalanceChanged(GoldCurrencyMock, context.Signer, MonsterCollectionState.DeriveAddress(context.Signer, 0)) .MarkBalanceChanged(GoldCurrencyMock, context.Signer, MonsterCollectionState.DeriveAddress(context.Signer, 1)) .MarkBalanceChanged(GoldCurrencyMock, context.Signer, MonsterCollectionState.DeriveAddress(context.Signer, 2)) .MarkBalanceChanged(GoldCurrencyMock, context.Signer, MonsterCollectionState.DeriveAddress(context.Signer, 3))); } MonsterCollectionSheet monsterCollectionSheet = states.GetSheet <MonsterCollectionSheet>(); AgentState agentState = states.GetAgentState(context.Signer); if (agentState is null) { throw new FailedLoadStateException("Aborted as the agent state failed to load."); } if (level < 0 || level > 0 && !monsterCollectionSheet.TryGetValue(level, out MonsterCollectionSheet.Row _)) { throw new MonsterCollectionLevelException(); } Currency currency = states.GetGoldCurrency(); // Set default gold value. FungibleAssetValue requiredGold = currency * 0; Address monsterCollectionAddress = MonsterCollectionState.DeriveAddress( context.Signer, agentState.MonsterCollectionRound ); if (states.TryGetState(monsterCollectionAddress, out Dictionary stateDict)) { var existingStates = new MonsterCollectionState(stateDict); int previousLevel = existingStates.Level; // Check collection level and required block index if (level < previousLevel && existingStates.IsLocked(context.BlockIndex)) { throw new RequiredBlockIndexException(); } if (level == previousLevel) { throw new MonsterCollectionLevelException(); } if (existingStates.CalculateStep(context.BlockIndex) > 0) { throw new MonsterCollectionExistingClaimableException(); } // Refund holding NCG to user FungibleAssetValue gold = states.GetBalance(monsterCollectionAddress, currency); states = states.TransferAsset(monsterCollectionAddress, context.Signer, gold); } if (level == 0) { return(states.SetState(monsterCollectionAddress, new Null())); } FungibleAssetValue balance = states.GetBalance(context.Signer, currency); var monsterCollectionState = new MonsterCollectionState(monsterCollectionAddress, level, context.BlockIndex); for (int i = 0; i < level; i++) { requiredGold += currency * monsterCollectionSheet[i + 1].RequiredGold; } if (balance < requiredGold) { throw new InsufficientBalanceException(context.Signer, requiredGold, $"There is no sufficient balance for {context.Signer}: {balance} < {requiredGold}"); } states = states.TransferAsset(context.Signer, monsterCollectionAddress, requiredGold); states = states.SetState(monsterCollectionAddress, monsterCollectionState.Serialize()); return(states); }