private async void ExecuteCoffeePurchase()
{
Console.WriteLine($"CoffeeMaker: {CoffeeMaker}, Program: {SelectedCoffeeProgram}, NumberOfCoffees: {NumberOfCoffees}");
Console.WriteLine($"Sender: {_web3.TransactionManager.Account.Address}");
if (CoffeeMaker.IsNullOrEmpty() ||
!CoffeeMaker.IsValidEthereumAddress() ||
SelectedCoffeeProgram < 0 ||
NumberOfCoffees <= 0)
{
Console.WriteLine("Invalid input for transaction. Aborting.");
return;
}
var costs = CoffeePrograms[SelectedCoffeeProgram].Price * NumberOfCoffees;
if ((await _coffeeEconomyService.GetTokensAsync(_account.Address)) < costs)
{
Console.WriteLine("Not enough coffee tokens to buy this much coffee.");
return;
}
IsBusy = true;
var transactionId = await _coffeeEconomyService.BuyCoffeeAsync(CoffeeMaker, SelectedCoffeeProgram, NumberOfCoffees);
Console.WriteLine($"TransactionId: {transactionId}");
CoffeeMaker = null;
ResetLoadedVariables();
IsBusy = false;
}
private async void LoadCoffeeMakerPrograms()
{
if (CoffeeMaker.IsNullOrEmpty() || !CoffeeMaker.IsValidEthereumAddress())
{
return;
}
try
{
var details = await _coffeeEconomyService.GetCoffeeMakerDataAsync(CoffeeMaker);
if (details == null)
{
return;
}
CoffeeMakerDetails = details;
var programs = await _coffeeEconomyService.GetCoffeeMakerProgramCountAsync(CoffeeMaker);
Console.WriteLine($"Found {programs} coffee programs!");
if (programs > 0)
{
var list = new List <CoffeeMakerProgram>();
for (int i = 0; i < programs; i++)
{
var program = await _coffeeEconomyService.GetCoffeeMakerProgramDetailsAsync(CoffeeMaker, i);
list.Add(program);
Console.WriteLine($"Coffee program: {program.Name}, Price: {program.Price}");
}
CoffeePrograms = list;
SelectedCoffeeProgram = 0;
// add the discovered coffee maker to our list of known coffee makers but only if it is a valid one
var extendedCoffeeMakerDetails = new Models.CoffeeMaker
{
Address = CoffeeMaker,
OwenerAddress = details.OwenerAddress,
Name = details.Name,
Department = details.Department,
DescriptiveLocation = details.DescriptiveLocation,
Latitude = details.Latitude,
Longitude = details.Longitude,
MachineInfo = details.MachineInfo,
MachineType = details.MachineType,
};
_coffeeMakerStorageService.AddOrUpdateCoffeeMakerDetails(extendedCoffeeMakerDetails);
}
}
catch (Exception)
{
// reset our view data
ResetLoadedVariables();
}
}
