Ejemplo n.º 1
0
        private async void Send()
        {
            try
            {
                DialogViewer.PushPage(Dialogs.Convert, Pages.Sending);

                var error = await ConvertAsync();

                if (error != null)
                {
                    if (error.Code == Errors.PriceHasChanged)
                    {
                        DialogViewer.PushPage(Dialogs.Convert, Pages.Message, MessageViewModel.Message(
                                                  title: Resources.SvFailed,
                                                  text: error.Description,
                                                  backAction: BackToConfirmation));
                    }
                    else
                    {
                        DialogViewer.PushPage(Dialogs.Convert, Pages.Message, MessageViewModel.Error(
                                                  text: error.Description,
                                                  backAction: BackToConfirmation));
                    }

                    return;
                }

                DialogViewer.PushPage(Dialogs.Convert, Pages.Message, MessageViewModel.Success(
                                          text: Resources.SvOrderMatched,
                                          nextAction: () => {
                    DialogViewer?.HideDialog(Dialogs.Convert);
                    OnSuccess?.Invoke(this, EventArgs.Empty);
                }),
                                      closeAction: () => OnSuccess?.Invoke(this, EventArgs.Empty));
            }
            catch (Exception e)
            {
                DialogViewer.PushPage(Dialogs.Convert, Pages.Message, MessageViewModel.Error(
                                          text: "An error has occurred while sending swap.",
                                          backAction: BackToConfirmation));

                Log.Error(e, "Swap error.");
            }
        }
        private async void Send()
        {
            var wallet     = (HdWallet)App.Account.Wallet;
            var keyStorage = wallet.KeyStorage;
            var tezos      = Currency;

            var tezosAccount = App.Account
                               .GetCurrencyAccount <TezosAccount>("XTZ");

            try
            {
                DialogViewer.PushPage(Dialogs.Delegate, Pages.Delegating);

                await tezosAccount.AddressLocker
                .LockAsync(WalletAddress.Address);

                var tx = new TezosTransaction
                {
                    StorageLimit = Currency.StorageLimit,
                    GasLimit     = Currency.GasLimit,
                    From         = WalletAddress.Address,
                    To           = To,
                    Fee          = Fee.ToMicroTez(),
                    Currency     = Currency.Name,
                    CreationTime = DateTime.UtcNow,

                    UseRun            = true,
                    UseOfflineCounter = true,
                    OperationType     = OperationType.Delegation
                };

                using var securePublicKey = App.Account.Wallet.GetPublicKey(
                          currency: Currency,
                          keyIndex: WalletAddress.KeyIndex,
                          keyType: WalletAddress.KeyType);

                var _ = await tx.FillOperationsAsync(
                    securePublicKey : securePublicKey,
                    tezosConfig : Currency,
                    headOffset : TezosConfig.HeadOffset);

                var signResult = await tx
                                 .SignAsync(keyStorage, WalletAddress, Currency);

                if (!signResult)
                {
                    Log.Error("Transaction signing error");

                    DialogViewer.PushPage(Dialogs.Delegate, Pages.Message, MessageViewModel.Error(
                                              text: "Transaction signing error",
                                              backAction: BackToConfirmation));

                    return;
                }

                var result = await tezos.BlockchainApi
                             .TryBroadcastAsync(tx);

                if (result.Error != null)
                {
                    DialogViewer.PushPage(Dialogs.Delegate, Pages.Message, MessageViewModel.Error(
                                              text: result.Error.Description,
                                              backAction: BackToConfirmation));

                    return;
                }

                DialogViewer.PushPage(Dialogs.Delegate, Pages.Message, MessageViewModel.Success(
                                          text: $"Successful delegation!",
                                          tezos.TxExplorerUri,
                                          result.Value,
                                          nextAction: () =>
                {
                    DialogViewer.HideDialog(Dialogs.Delegate);

                    _onDelegate?.Invoke();
                }));
            }
            catch (Exception e)
            {
                DialogViewer.PushPage(Dialogs.Delegate, Pages.Message, MessageViewModel.Error(
                                          text: "An error has occurred while delegation.",
                                          backAction: BackToConfirmation));

                Log.Error(e, "delegation send error.");
            }
            finally
            {
                tezosAccount.AddressLocker.Unlock(WalletAddress.Address);
            }
        }