public TransferViewModel(IEthWalletService walletService,
ITokenRegistryService tokenRegistryService,
IAccountRegistryService accountRegistryService,
ITransactionSenderService transactionSenderService,
IMvxNavigationService navigationService,
ITransactionHistoryService transactionHistoryService
)
{
Icon = "transfer.png";
Title = Texts.Transfer;
this.walletService = walletService;
this.tokenRegistryService = tokenRegistryService;
this.accountRegistryService = accountRegistryService;
this.transactionSenderService = transactionSenderService;
this.navigationService = navigationService;
this.transactionHistoryService = transactionHistoryService;
RegisteredAccounts = new ObservableCollection <string>();
RegisteredTokens = new ObservableCollection <ContractToken>();
confirmTransfer = new Interaction <string, bool>();
SelectedToken = -1;
SelectedAccountFrom = -1;
GasPrice = Web3.Convert.FromWei(TransactionBase.DEFAULT_GAS_PRICE, UnitConversion.EthUnit.Gwei);
Gas = (long)Web3.Convert.FromWei(TransactionBase.DEFAULT_GAS_LIMIT, UnitConversion.EthUnit.Wei);
#if DEBUG
SelectedToken = 0;
SelectedAccountFrom = 0;
Amount = 0.01M;
Gas = 21000;
GasPrice = 10;
ToAddress = "0x92c66ca0bb8c3f9c9be8001d97211e4f732deb63";
#endif
this.WhenAnyValue(x =>
x.SelectedToken,
x => x.SelectedAccountFrom,
(selectedToken, selectedAccountFrom) => selectedToken != -1 && selectedAccountFrom != -1)
.Subscribe(async(p) => await RefreshTokenBalanceAsync());
var canExecuteTransaction = this.WhenAnyValue(
x => x.ToAddress,
x => x.Amount,
x => x.SelectedToken,
x => x.SelectedAccountFrom,
(addressTo, amount, selectedToken, selectedAccountFrom) => //true ||
!string.IsNullOrEmpty(ToAddress) && //TODO: valid address
amount > 0 &&
selectedToken != -1 &&
selectedAccountFrom != -1
);
executeTransactionCommand = ReactiveCommand.CreateFromTask(ExecuteAsync, canExecuteTransaction);
}
public TransferTokenViewModel(IEthWalletService walletService,
ITokenRegistryService tokenRegistryService,
IAccountRegistryService accountRegistryService,
ITransactionSenderService transactionSenderService,
IMvxNavigationService navigationService,
ITransactionHistoryService transactionHistoryService
)
{
_walletService = walletService;
_tokenRegistryService = tokenRegistryService;
_accountRegistryService = accountRegistryService;
_transactionSenderService = transactionSenderService;
_navigationService = navigationService;
_transactionHistoryService = transactionHistoryService;
_registeredAccounts = new ObservableCollection <string>();
_registeredTokens = new ObservableCollection <ContractToken>();
_confirmTransfer = new Interaction <string, bool>();
_selectedToken = -1;
_selectedAccountFrom = -1;
_gasPrice = Web3.Web3.Convert.FromWei(TransactionBase.DEFAULT_GAS_PRICE, UnitConversion.EthUnit.Gwei);
Title = "Transfer Token";
Icon = "ethIcon.png";
this.WhenAnyValue(x => x.SelectedToken,
x => x.SelectedAccountFrom, (selectedToken, selectedAccountFrom) => selectedToken != -1 &&
selectedAccountFrom != -1).Subscribe(async _ =>
await RefreshTokenBalanceAsync());
var canExecuteTransaction = this.WhenAnyValue(
x => x.ToAddress,
x => x.Amount,
x => x.SelectedToken,
x => x.SelectedAccountFrom,
(addressTo, amount, selectedToken, selectedAccountFrom) =>
!string.IsNullOrEmpty(ToAddress) && //todo valid address
amount > 0 &&
selectedToken != -1 &&
selectedAccountFrom != -1);
_executeTransactionCommand = ReactiveCommand.CreateFromTask(ExecuteAsync, canExecuteTransaction);
}