async Task <Guid> IMedicineBatchService.Create(
string batchNumber,
Guid medicineId,
Guid manufacturerId,
DateTime manufactureDate,
DateTime expiryDate,
uint quantity,
string unit,
string certificates)
{
var medicineBatch = new MedicineBatch()
{
BatchNumber = batchNumber,
MedicineId = medicineId,
ManufacturerId = manufacturerId,
ManufactureDate = manufactureDate,
ExpiryDate = expiryDate,
Quantity = quantity,
Unit = unit,
Certificates = certificates,
DateCreated = DateTime.UtcNow
};
Guid newMedicineBatchId = medicineBatchRepository.CreateAndReturnId(medicineBatch);
var function = ethereumService.GetFunction(EthereumFunctions.AddMedicineBatch);
var transactionHash = await function.SendTransactionAsync(
ethereumService.GetEthereumAccount(),
new HexBigInteger(6000000),
new HexBigInteger(Nethereum.Web3.Web3.Convert.ToWei(10, UnitConversion.EthUnit.Gwei)),
new HexBigInteger(0),
functionInput : new object[] {
newMedicineBatchId.ToString(),
medicineBatch.MedicineId.ToString(),
medicineBatch.BatchNumber,
medicineBatch.ManufacturerId.ToString()
});
medicineBatch.TransactionHash = transactionHash;
medicineBatchRepository.Update(medicineBatch);
BackgroundJob.Schedule <IMedicineBatchBackgroundJob>(
medicineBatchBackgroundJob => medicineBatchBackgroundJob.WaitForTransactionToSuccessThenFinishCreatingMedicineBatch(medicineBatch),
TimeSpan.FromSeconds(3)
);
return(newMedicineBatchId);
}
void IMedicineBatchBackgroundJob.WaitForTransactionToSuccessThenFinishCreatingMedicineBatch(MedicineBatch medicineBatch)
{
bool isTransactionSuccess = false;
do
{
var receipt = ethereumService.GetTransactionReceipt(medicineBatch.TransactionHash).Result;
if (receipt == null)
{
continue;
}
if (receipt.Status.Value == (new HexBigInteger(1)).Value)
{
isTransactionSuccess = true;
var contractAddress = ethereumService.GetObjectContractAddress(medicineBatch.Id).Result;
medicineBatch.ContractAddress = contractAddress;
medicineBatch.TransactionStatus = Models.Database.TransactionStatuses.Success;
medicineBatchRepository.Update(medicineBatch);
var medicineBatchContract = ethereumService.GetContract(MedicineBatchAbi, medicineBatch.ContractAddress);
var updateFunction = ethereumService.GetFunction(medicineBatchContract, EthereumFunctions.UpdateMedicineBatchInformation);
var updateReceipt = updateFunction.SendTransactionAndWaitForReceiptAsync(
ethereumService.GetEthereumAccount(),
new HexBigInteger(6000000),
new HexBigInteger(Nethereum.Web3.Web3.Convert.ToWei(50, UnitConversion.EthUnit.Gwei)),
new HexBigInteger(0),
functionInput: new object[] {
medicineBatch.MedicineId.ToString(),
medicineBatch.BatchNumber,
medicineBatch.ManufacturerId.ToString(),
medicineBatch.Quantity,
medicineBatch.Unit,
medicineBatch.ManufactureDate.ToUnixTimestamp(),
medicineBatch.ExpiryDate.ToUnixTimestamp()
}).Result;
}
}while (isTransactionSuccess != true);
}