Example #1
0
        public Withdrawal GenerateWithdrawal(string contractAddress)
        {
            PensionFund   pensionFund   = PensionFundBusiness.GetByContract(contractAddress);
            SmartContract smartContract = SmartContractBusiness.GetDefaultDemonstrationPensionFund();
            List <PensionFundTransaction> transactions = Data.List(pensionFund.Option.PensionFundContract.TransactionHash);

            if (transactions.Any(c => !c.BlockNumber.HasValue))
            {
                throw new InvalidOperationException("Wait for unfinished transactions.");
            }
            else if (transactions.Any(c => c.FunctionType == FunctionType.CompleteWithdrawal))
            {
                throw new InvalidOperationException("Withdrawal already made.");
            }

            PensionFundTransaction withdrawalTransaction = CreateTransaction(DateTime.UtcNow, FunctionType.CompleteWithdrawal,
                                                                             pensionFund.Option.Company.Employee.Address, pensionFund.Option.PensionFundContract.TransactionHash);

            withdrawalTransaction = GenerateContractTransaction(withdrawalTransaction, pensionFund.Option.Company.Employee.Address, pensionFund.Option.PensionFundContract.Address,
                                                                smartContract.ABI, smartContract.ContractFunctions.Single(c => c.FunctionType == FunctionType.CompleteWithdrawal).GasLimit, 0);
            return(new Withdrawal()
            {
                TransactionHash = withdrawalTransaction.TransactionHash,
                CreatedDate = withdrawalTransaction.CreationDate,
                Responsable = withdrawalTransaction.WalletAddress
            });
        }
Example #2
0
        public PensionFundContract Create(String pensionFundAddress, String employerAddress, String employeeAddress, double pensionFundFee,
                                          double pensionFundLatePenalty,
                                          double maxSalaryBonus,
                                          double employeeContribution,
                                          double employeeContributionBonus,
                                          double employeeSalary,
                                          Dictionary <string, double> referenceValues,
                                          Dictionary <int, double> bonusVestingDistribuition)
        {
            var defaultDemonstrationPensionFundSmartContract = SmartContractBusiness.GetDefaultDemonstrationPensionFund();

            KeyValuePair <string, string> demoTransaction = EthereumManager.DeployDefaultPensionFund(defaultDemonstrationPensionFundSmartContract.GasLimit,
                                                                                                     pensionFundAddress, employerAddress, employeeAddress,
                                                                                                     pensionFundFee, pensionFundLatePenalty, AUCTUS_FEE, maxSalaryBonus, employeeContribution, employeeContributionBonus, employeeSalary,
                                                                                                     referenceValues, bonusVestingDistribuition.ToDictionary(c => c.Key * 12, c => c.Value));

            var pensionFundContract = new PensionFundContract()
            {
                CreationDate             = DateTime.UtcNow,
                PensionFundOptionAddress = pensionFundAddress,
                TransactionHash          = demoTransaction.Key,
                SmartContractId          = defaultDemonstrationPensionFundSmartContract.Id,
                SmartContractCode        = demoTransaction.Value
            };

            Insert(pensionFundContract);

            return(pensionFundContract);
        }
Example #3
0
        public Withdrawal ReadWithdrawal(string contractAddress)
        {
            string     cacheKey         = string.Format("Withdrawal{0}", contractAddress);
            Withdrawal cachedWithdrawal = MemoryCache.Get <Withdrawal>(cacheKey);

            if (cachedWithdrawal != null)
            {
                return(cachedWithdrawal);
            }

            PensionFund            pensionFund   = PensionFundBusiness.GetByContract(contractAddress);
            SmartContract          smartContract = SmartContractBusiness.GetDefaultDemonstrationPensionFund();
            PensionFundTransaction transaction   = Data.List(pensionFund.Option.PensionFundContract.TransactionHash).Where(c => c.FunctionType == FunctionType.CompleteWithdrawal).SingleOrDefault();

            if (transaction == null)
            {
                return(null);
            }

            WithdrawalInfo withdrawalInfo = EthereumManager.ReadWithdrawalFromDefaultPensionFund(contractAddress);

            PensionFundTransaction[] pendingCreate   = string.IsNullOrEmpty(transaction.TransactionHash) ? new PensionFundTransaction[] { transaction } : new PensionFundTransaction[0];
            PensionFundTransaction[] pendingComplete = pendingCreate.Length == 0 && !transaction.BlockNumber.HasValue ? new PensionFundTransaction[] { transaction } : new PensionFundTransaction[0];
            BaseEventInfo[]          withdrawEvent   = withdrawalInfo != null ? new BaseEventInfo[] { withdrawalInfo } : new BaseEventInfo[0];

            HandleTransactions(smartContract, pensionFund, new PensionFundTransaction[] { }, pendingCreate, pendingComplete, withdrawEvent);

            Withdrawal withdrawal = null;

            if (withdrawalInfo != null)
            {
                withdrawal = new Withdrawal()
                {
                    TransactionHash       = transaction.TransactionHash,
                    CreatedDate           = transaction.CreationDate,
                    Responsable           = transaction.WalletAddress,
                    BlockNumber           = withdrawalInfo.BlockNumber,
                    Period                = withdrawalInfo.Period,
                    EmployeeAbsoluteBonus = withdrawalInfo.EmployeeAbsoluteBonus,
                    EmployeeBonus         = withdrawalInfo.EmployeeBonus,
                    EmployeeSzaboCashback = withdrawalInfo.EmployeeSzaboCashback,
                    EmployeeTokenCashback = withdrawalInfo.EmployeeTokenCashback,
                    EmployerSzaboCashback = withdrawalInfo.EmployerSzaboCashback,
                    EmployerTokenCashback = withdrawalInfo.EmployerTokenCashback,
                    ReferenceDate         = pensionFund.Option.PensionFundContract.CreationDate.AddMonths(withdrawalInfo.Period).Date
                };
                MemoryCache.Set <Withdrawal>(cacheKey, withdrawal);
            }
            else
            {
                withdrawal = new Withdrawal()
                {
                    TransactionHash = transaction.TransactionHash,
                    CreatedDate     = transaction.CreationDate,
                    Responsable     = transaction.WalletAddress
                };
            }
            return(withdrawal);
        }
Example #4
0
        public Progress ReadPayments(string contractAddress)
        {
            PensionFund pensionFund = PensionFundBusiness.GetByContract(contractAddress);

            string         cacheKey      = GetCachePaymentKey(contractAddress);
            List <Payment> cachedPayment = MemoryCache.Get <List <Payment> >(cacheKey);

            if (cachedPayment != null && cachedPayment.Count == 120)
            {
                return(PensionFundBusiness.GetProgress(pensionFund, cachedPayment));
            }

            SmartContract smartContract = SmartContractBusiness.GetDefaultDemonstrationPensionFund();
            IEnumerable <PensionFundTransaction> transactions = Data.List(pensionFund.Option.PensionFundContract.TransactionHash).
                                                                Where(c => c.FunctionType == FunctionType.EmployeeBuy || c.FunctionType == FunctionType.CompanyBuy);
            IEnumerable <PensionFundTransaction> pendingCreateTransactions   = transactions.Where(c => string.IsNullOrEmpty(c.TransactionHash));
            IEnumerable <PensionFundTransaction> pendingCompleteTransactions = transactions.Where(c => !c.BlockNumber.HasValue && !string.IsNullOrEmpty(c.TransactionHash));

            if (!transactions.Any())
            {
                return(PensionFundBusiness.GetProgress(pensionFund, new List <Payment>()));
            }
            else if (cachedPayment != null && cachedPayment.Count == transactions.Count())
            {
                return(PensionFundBusiness.GetProgress(pensionFund, cachedPayment));
            }
            else if (cachedPayment != null && (cachedPayment.Count + pendingCreateTransactions.Count()) == transactions.Count())
            {
                transactions = HandleTransactions(smartContract, pensionFund, transactions, pendingCreateTransactions, pendingCompleteTransactions, new BaseEventInfo[] { });
                return(PensionFundBusiness.GetProgress(pensionFund, pendingCreateTransactions.Select(c => new Payment()
                {
                    CreatedDate = c.CreationDate,
                    Responsable = c.WalletAddress
                }).Concat(cachedPayment)));
            }

            List <BuyInfo> buyEvents = EthereumManager.ReadBuyFromDefaultPensionFund(contractAddress);

            transactions = HandleTransactions(smartContract, pensionFund, transactions, pendingCreateTransactions, pendingCompleteTransactions,
                                              buyEvents.Select(c => new BaseEventInfo()
            {
                BlockNumber = c.BlockNumber, TransactionHash = c.TransactionHash
            }));

            List <Payment> completedPayments = new List <Payment>();

            if (buyEvents.Count > 0)
            {
                foreach (PensionFundTransaction trans in transactions)
                {
                    BuyInfo buyInfo = buyEvents.SingleOrDefault(c => c.TransactionHash == trans.TransactionHash);
                    if (buyInfo != null)
                    {
                        completedPayments.Add(new Payment()
                        {
                            TransactionHash = trans.TransactionHash,
                            CreatedDate     = trans.CreationDate,
                            Responsable     = trans.WalletAddress,
                            BlockNumber     = buyInfo.BlockNumber,
                            Period          = buyInfo.Period,
                            AuctusFee       = buyInfo.AuctusFee,
                            LatePenalty     = buyInfo.LatePenalty,
                            PensionFundFee  = buyInfo.PensionFundFee,
                            SzaboInvested   = buyInfo.SzaboInvested,
                            TokenAmount     = buyInfo.TokenAmount,
                            DaysOverdue     = buyInfo.DaysOverdue,
                            ReferenceDate   = pensionFund.Option.PensionFundContract.CreationDate.AddMonths(buyInfo.Period).Date
                        });
                    }
                }
                if (completedPayments.Count > 0)
                {
                    MemoryCache.Set <List <Payment> >(cacheKey, completedPayments);
                }
            }
            IEnumerable <Payment> remainingPayments = transactions.Where(c => string.IsNullOrEmpty(c.TransactionHash) ||
                                                                         !completedPayments.Any(l => l.TransactionHash == c.TransactionHash)).Select(c => new Payment()
            {
                TransactionHash = c.TransactionHash,
                CreatedDate     = c.CreationDate,
                Responsable     = c.WalletAddress
            });

            return(PensionFundBusiness.GetProgress(pensionFund, remainingPayments.Concat(completedPayments)));
        }
Example #5
0
        public Progress GeneratePayment(string contractAddress, int monthsAmount)
        {
            if (monthsAmount < 1 || monthsAmount > 60)
            {
                throw new InvalidOperationException("Invalid months amount.");
            }

            PensionFund   pensionFund   = PensionFundBusiness.GetByContract(contractAddress);
            SmartContract smartContract = SmartContractBusiness.GetDefaultDemonstrationPensionFund();
            List <PensionFundTransaction> transactions = Data.List(pensionFund.Option.PensionFundContract.TransactionHash);

            int payments = transactions.Count(c => c.ContractFunctionId == FunctionType.CompanyBuy.Type || c.ContractFunctionId == FunctionType.EmployeeBuy.Type);

            if (payments == 120)
            {
                throw new InvalidOperationException("All payments already been made.");
            }
            else if (payments + (monthsAmount * 2) > 120)
            {
                throw new InvalidOperationException("Too many payments.");
            }
            else if (transactions.Any(c => c.FunctionType == FunctionType.CompleteWithdrawal))
            {
                throw new InvalidOperationException("Withdrawal already made.");
            }

            List <PensionFundTransaction> newTransactions = new List <PensionFundTransaction>();

            Parallel.For(1, monthsAmount + 1, new ParallelOptions()
            {
                MaxDegreeOfParallelism = 5
            },
                         month =>
            {
                DateTime date = DateTime.UtcNow;
                newTransactions.Add(CreateTransaction(date, FunctionType.EmployeeBuy, pensionFund.Option.Company.Employee.Address, pensionFund.Option.PensionFundContract.TransactionHash));
                newTransactions.Add(CreateTransaction(date, FunctionType.CompanyBuy, pensionFund.Option.Company.Address, pensionFund.Option.PensionFundContract.TransactionHash));
            });

            GeneratePaymentContractTransaction(newTransactions, pensionFund, smartContract);

            IEnumerable <Payment> newPayments = newTransactions.Select(c => new Payment()
            {
                CreatedDate = c.CreationDate,
                Responsable = c.WalletAddress
            });

            if (payments == 0)
            {
                return(PensionFundBusiness.GetProgress(pensionFund, newPayments.ToList()));
            }
            else
            {
                List <Payment> cachedPayment = MemoryCache.Get <List <Payment> >(GetCachePaymentKey(contractAddress));
                if (cachedPayment != null && cachedPayment.Count == payments)
                {
                    return(PensionFundBusiness.GetProgress(pensionFund, newPayments.Concat(cachedPayment)));
                }
                else
                {
                    return(ReadPayments(contractAddress));
                }
            }
        }