func TestPaymentListener(t *testing.T) {
	mockEntityManager := new(mocks.MockEntityManager)
	mockHorizon := new(mocks.MockHorizon)
	mockRepository := new(mocks.MockRepository)

	var receiveHookStatusCode int

	receiveHookServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		assert.Equal(t, "POST", r.Method)
		assert.Equal(t, "1", r.FormValue("id"))
		assert.Equal(t, "GBIHSMPXC2KJ3NJVHEYTG3KCHYEUQRT45X6AWYWXMAXZOAX4F5LFZYYQ", r.FormValue("from"))
		assert.Equal(t, "200", r.FormValue("amount"))
		assert.Equal(t, "USD", r.FormValue("asset_code"))
		assert.Equal(t, "text", r.FormValue("memo_type"))
		assert.Equal(t, "testing", r.FormValue("memo"))
		w.WriteHeader(receiveHookStatusCode)
		fmt.Fprintln(w, "Response")
	}))
	defer receiveHookServer.Close()

	IssuingSeed := "SC34WILLHVADXMP6ACPMIRA6TRAWJMVCLPFNW7S6MUMXJVLAZUC4EWHP"
	ReceivingAccountId := "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"

	config := &config.Config{
		Assets: []string{"USD", "EUR"},
		Accounts: &config.Accounts{
			// GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR
			IssuingSeed:        &IssuingSeed,
			ReceivingAccountId: &ReceivingAccountId,
		},
		Hooks: &config.Hooks{
			Receive: &receiveHookServer.URL,
		},
	}

	paymentListener, _ := NewPaymentListener(
		config,
		mockEntityManager,
		mockHorizon,
		mockRepository,
		mocks.Now,
	)

	Convey("PaymentListener", t, func() {
		operation := horizon.PaymentResponse{
			Id:          "1",
			From:        "GBIHSMPXC2KJ3NJVHEYTG3KCHYEUQRT45X6AWYWXMAXZOAX4F5LFZYYQ",
			PagingToken: "2",
			Amount:      "200",
		}

		mocks.PredefinedTime = time.Now()

		dbPayment := db.ReceivedPayment{
			OperationId: operation.Id,
			ProcessedAt: mocks.PredefinedTime,
			PagingToken: operation.PagingToken,
		}

		Convey("When operation is not a payment", func() {
			operation.Type = "create_account"
			dbPayment.Status = "Not a payment operation"
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When payment is sent not received", func() {
			operation.Type = "payment"
			operation.To = "GDNXBMIJLLLXZYKZBHXJ45WQ4AJQBRVT776YKGQTDBHTSPMNAFO3OZOS"
			dbPayment.Status = "Operation sent not received"
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When asset is not allowed (issuer)", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GC4WWLMUGZJMRVJM7JUVVZBY3LJ5HL4RKIPADEGKEMLAAJEDRONUGYG7"
			dbPayment.Status = "Asset not allowed"
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When asset is not allowed (code)", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "GBP"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"
			dbPayment.Status = "Asset not allowed"
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When transaction does not have memo", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"
			dbPayment.Status = "Transaction does not have memo"

			mockHorizon.On("LoadMemo", &operation).Return(nil).Once()
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockHorizon.AssertExpectations(t)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When unable to load transaction memo", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"

			mockHorizon.On("LoadMemo", &operation).Return(errors.New("Connection error")).Once()

			Convey("it should return error", func() {
				err := paymentListener.onPayment(operation)
				assert.Error(t, err)
				mockHorizon.AssertExpectations(t)
				mockEntityManager.AssertNotCalled(t, "Persist")
			})
		})

		Convey("When receive hook returns error", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"
			operation.Memo.Type = "text"
			operation.Memo.Value = "testing"

			mockHorizon.On("LoadMemo", &operation).Return(nil).Once()
			receiveHookStatusCode = 503

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Error(t, err)
				mockHorizon.AssertExpectations(t)
				mockEntityManager.AssertNotCalled(t, "Persist")
			})
		})

		Convey("When receive hook returns success", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"
			operation.Memo.Type = "text"
			operation.Memo.Value = "testing"

			dbPayment.Status = "Success"

			mockHorizon.On("LoadMemo", &operation).Return(nil).Once()
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()
			receiveHookStatusCode = 200

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockHorizon.AssertExpectations(t)
				mockEntityManager.AssertExpectations(t)
			})
		})
	})
}
func TestPaymentListener(t *testing.T) {
	mockEntityManager := new(mocks.MockEntityManager)
	mockHorizon := new(mocks.MockHorizon)
	mockRepository := new(mocks.MockRepository)
	mockHTTPClient := new(mocks.MockHTTPClient)

	config := &config.Config{
		Assets: []config.Asset{
			{Code: "USD", Issuer: "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"},
			{Code: "EUR", Issuer: "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"},
		},
		Accounts: config.Accounts{
			IssuingAccountID:   "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB",
			ReceivingAccountID: "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB",
		},
		Callbacks: config.Callbacks{
			Receive: "http://receive_callback",
		},
	}

	paymentListener, _ := NewPaymentListener(
		config,
		mockEntityManager,
		mockHorizon,
		mockRepository,
		mocks.Now,
	)

	paymentListener.client = mockHTTPClient

	Convey("PaymentListener", t, func() {
		operation := horizon.PaymentResponse{
			ID:          "1",
			From:        "GBIHSMPXC2KJ3NJVHEYTG3KCHYEUQRT45X6AWYWXMAXZOAX4F5LFZYYQ",
			PagingToken: "2",
			Amount:      "200",
		}

		mocks.PredefinedTime = time.Now()

		dbPayment := entities.ReceivedPayment{
			OperationID: operation.ID,
			ProcessedAt: mocks.PredefinedTime,
			PagingToken: operation.PagingToken,
		}

		Convey("When operation exists", func() {
			operation.Type = "payment"
			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(&entities.ReceivedPayment{}, nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When operation is not a payment", func() {
			operation.Type = "create_account"
			dbPayment.Status = "Not a payment operation"
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()
			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(nil, nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When payment is sent not received", func() {
			operation.Type = "payment"
			operation.To = "GDNXBMIJLLLXZYKZBHXJ45WQ4AJQBRVT776YKGQTDBHTSPMNAFO3OZOS"
			dbPayment.Status = "Operation sent not received"
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()
			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(nil, nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When asset is not allowed (issuer)", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GC4WWLMUGZJMRVJM7JUVVZBY3LJ5HL4RKIPADEGKEMLAAJEDRONUGYG7"
			dbPayment.Status = "Asset not allowed"
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()
			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(nil, nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When asset is not allowed (code)", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "GBP"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"
			dbPayment.Status = "Asset not allowed"
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()
			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(nil, nil).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When unable to load transaction memo", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"

			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(nil, nil).Once()
			mockHorizon.On("LoadMemo", &operation).Return(errors.New("Connection error")).Once()

			Convey("it should return error", func() {
				err := paymentListener.onPayment(operation)
				assert.Error(t, err)
				mockHorizon.AssertExpectations(t)
				mockEntityManager.AssertNotCalled(t, "Persist")
			})
		})

		Convey("When receive callback returns error", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"
			operation.Memo.Type = "text"
			operation.Memo.Value = "testing"

			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(nil, nil).Once()
			mockHorizon.On("LoadMemo", &operation).Return(nil).Once()

			mockHTTPClient.On(
				"PostForm",
				"http://receive_callback",
				url.Values{
					"id":         {"1"},
					"from":       {"GBIHSMPXC2KJ3NJVHEYTG3KCHYEUQRT45X6AWYWXMAXZOAX4F5LFZYYQ"},
					"amount":     {"200"},
					"asset_code": {"USD"},
					"memo_type":  {"text"},
					"memo":       {"testing"},
					"data":       {""},
				},
			).Return(
				net.BuildHTTPResponse(503, "ok"),
				nil,
			).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Error(t, err)
				mockHorizon.AssertExpectations(t)
				mockEntityManager.AssertNotCalled(t, "Persist")
			})
		})

		Convey("When receive callback returns success", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"
			operation.Memo.Type = "text"
			operation.Memo.Value = "testing"

			dbPayment.Status = "Success"

			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(nil, nil).Once()
			mockHorizon.On("LoadMemo", &operation).Return(nil).Once()
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()

			mockHTTPClient.On(
				"PostForm",
				"http://receive_callback",
				url.Values{
					"id":         {"1"},
					"from":       {"GBIHSMPXC2KJ3NJVHEYTG3KCHYEUQRT45X6AWYWXMAXZOAX4F5LFZYYQ"},
					"amount":     {"200"},
					"asset_code": {"USD"},
					"memo_type":  {"text"},
					"memo":       {"testing"},
					"data":       {""},
				},
			).Return(
				net.BuildHTTPResponse(200, "ok"),
				nil,
			).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockHorizon.AssertExpectations(t)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When receive callback returns success (no memo)", func() {
			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"

			dbPayment.Status = "Success"

			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(nil, nil).Once()
			mockHorizon.On("LoadMemo", &operation).Return(nil).Once()
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()

			mockHTTPClient.On(
				"PostForm",
				"http://receive_callback",
				url.Values{
					"id":         {"1"},
					"from":       {"GBIHSMPXC2KJ3NJVHEYTG3KCHYEUQRT45X6AWYWXMAXZOAX4F5LFZYYQ"},
					"amount":     {"200"},
					"asset_code": {"USD"},
					"memo_type":  {""},
					"memo":       {""},
					"data":       {""},
				},
			).Return(
				net.BuildHTTPResponse(200, "ok"),
				nil,
			).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockHorizon.AssertExpectations(t)
				mockEntityManager.AssertExpectations(t)
			})
		})

		Convey("When receive callback returns success and compliance server is connected", func() {
			paymentListener.config.Compliance = "http://compliance"

			operation.Type = "payment"
			operation.To = "GATKP6ZQM5CSLECPMTAC5226PE367QALCPM6AFHTSULPPZMT62OOPMQB"
			operation.AssetCode = "USD"
			operation.AssetIssuer = "GD4I7AFSLZGTDL34TQLWJOM2NHLIIOEKD5RHHZUW54HERBLSIRKUOXRR"
			operation.Memo.Type = "hash"
			operation.Memo.Value = "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"

			dbPayment.Status = "Success"

			mockRepository.On("GetReceivedPaymentByID", int64(1)).Return(nil, nil).Once()
			mockHorizon.On("LoadMemo", &operation).Return(nil).Once()
			mockEntityManager.On("Persist", &dbPayment).Return(nil).Once()

			mockHTTPClient.On(
				"PostForm",
				"http://compliance/receive",
				url.Values{"memo": {"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"}},
			).Return(
				net.BuildHTTPResponse(200, "{\"data\": \"hello world\"}"),
				nil,
			).Once()

			mockHTTPClient.On(
				"PostForm",
				"http://receive_callback",
				url.Values{
					"id":         {"1"},
					"from":       {"GBIHSMPXC2KJ3NJVHEYTG3KCHYEUQRT45X6AWYWXMAXZOAX4F5LFZYYQ"},
					"amount":     {"200"},
					"asset_code": {"USD"},
					"memo_type":  {"hash"},
					"memo":       {"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"},
					"data":       {"hello world"},
				},
			).Return(
				net.BuildHTTPResponse(200, "ok"),
				nil,
			).Once()

			Convey("it should save the status", func() {
				err := paymentListener.onPayment(operation)
				assert.Nil(t, err)
				mockHorizon.AssertExpectations(t)
				mockEntityManager.AssertExpectations(t)
			})
		})
	})
}
func TestTransactionSubmitter(t *testing.T) {
	mockHorizon := new(mocks.MockHorizon)
	mockEntityManager := new(mocks.MockEntityManager)
	mocks.PredefinedTime = time.Now()

	Convey("TransactionSubmitter", t, func() {
		seed := "SDZT3EJZ7FZRYNTLOZ7VH6G5UYBFO2IO3Q5PGONMILPCZU3AL7QNZHTE"
		accountID := "GCLOMB72ODBFUGK4E2BK7VMR3RNZ5WSTMEOGNA2YUVHFR3WMH2XBAB6H"

		Convey("LoadAccount", func() {
			transactionSubmitter := NewTransactionSubmitter(
				mockHorizon,
				mockEntityManager,
				"Test SDF Network ; September 2015",
				mocks.Now,
			)

			Convey("When seed is invalid", func() {
				_, err := transactionSubmitter.LoadAccount("invalidSeed")
				assert.NotNil(t, err)
			})

			Convey("When there is a problem loading an account", func() {
				mockHorizon.On(
					"LoadAccount",
					accountID,
				).Return(
					horizon.AccountResponse{},
					errors.New("Account not found"),
				).Once()

				_, err := transactionSubmitter.LoadAccount(seed)
				assert.NotNil(t, err)
				mockHorizon.AssertExpectations(t)
			})

			Convey("Successfully loads an account", func() {
				mockHorizon.On(
					"LoadAccount",
					accountID,
				).Return(
					horizon.AccountResponse{
						AccountID:      accountID,
						SequenceNumber: "10372672437354496",
					},
					nil,
				).Once()

				account, err := transactionSubmitter.LoadAccount(seed)
				assert.Nil(t, err)
				assert.Equal(t, account.Keypair.Address(), accountID)
				assert.Equal(t, account.Seed, seed)
				assert.Equal(t, account.SequenceNumber, uint64(10372672437354496))
				mockHorizon.AssertExpectations(t)
			})
		})

		Convey("SubmitTransaction", func() {
			Convey("Submits transaction without a memo", func() {
				operation := b.Payment(
					b.Destination{"GB3W7VQ2A2IOQIS4LUFUMRC2DWXONUDH24ROLE6RS4NGUNHVSXKCABOM"},
					b.NativeAmount{"100"},
				)

				Convey("Error response from horizon", func() {
					transactionSubmitter := NewTransactionSubmitter(
						mockHorizon,
						mockEntityManager,
						"Test SDF Network ; September 2015",
						mocks.Now,
					)

					mockHorizon.On(
						"LoadAccount",
						accountID,
					).Return(
						horizon.AccountResponse{
							AccountID:      accountID,
							SequenceNumber: "10372672437354496",
						},
						nil,
					).Once()

					err := transactionSubmitter.InitAccount(seed)
					assert.Nil(t, err)

					txB64 := "AAAAAJbmB/pwwloZXCaCr9WR3Fue2lNhHGaDWKVOWO7MPq4QAAAAZAAk2eQAAAABAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAd2/WGgaQ6CJcXQtGRFodrubQZ9ci5ZPRlxpqNPWV1CAAAAAAAAAAADuaygAAAAAAAAAAAcw+rhAAAABAyFjIMIZOtstCWtZlVBDj1AhTmsk5v1i2GGY4by2b5mgZoXXGgFTB8sfbQav0LzFKCcxY8h+9xPMT2e9xznAfDw=="

					// Persist sending transaction
					mockEntityManager.On(
						"Persist",
						mock.AnythingOfType("*entities.SentTransaction"),
					).Return(nil).Once().Run(func(args mock.Arguments) {
						transaction := args.Get(0).(*entities.SentTransaction)
						assert.Equal(t, "4f885999be6ea7891052a53e496bcfb5c5a1a5bfb31923f649b028fdc74dd050", transaction.TransactionID)
						assert.Equal(t, "sending", string(transaction.Status))
						assert.Equal(t, "GCLOMB72ODBFUGK4E2BK7VMR3RNZ5WSTMEOGNA2YUVHFR3WMH2XBAB6H", transaction.Source)
						assert.Equal(t, mocks.PredefinedTime, transaction.SubmittedAt)
						assert.Equal(t, txB64, transaction.EnvelopeXdr)
					})

					// Persist failure
					mockEntityManager.On(
						"Persist",
						mock.AnythingOfType("*entities.SentTransaction"),
					).Return(nil).Once().Run(func(args mock.Arguments) {
						transaction := args.Get(0).(*entities.SentTransaction)
						assert.Equal(t, "4f885999be6ea7891052a53e496bcfb5c5a1a5bfb31923f649b028fdc74dd050", transaction.TransactionID)
						assert.Equal(t, "failure", string(transaction.Status))
						assert.Equal(t, "GCLOMB72ODBFUGK4E2BK7VMR3RNZ5WSTMEOGNA2YUVHFR3WMH2XBAB6H", transaction.Source)
						assert.Equal(t, mocks.PredefinedTime, transaction.SubmittedAt)
						assert.Equal(t, txB64, transaction.EnvelopeXdr)
					})

					mockHorizon.On("SubmitTransaction", txB64).Return(
						horizon.SubmitTransactionResponse{
							Ledger: nil,
							Extras: &horizon.SubmitTransactionResponseExtras{
								ResultXdr: "AAAAAAAAAGT/////AAAAAQAAAAAAAAAB////+wAAAAA=", // no_destination
							},
						},
						nil,
					).Once()

					_, err = transactionSubmitter.SubmitTransaction(seed, operation, nil)
					assert.Nil(t, err)
					mockHorizon.AssertExpectations(t)
				})

				Convey("Bad Sequence response from horizon", func() {
					transactionSubmitter := NewTransactionSubmitter(
						mockHorizon,
						mockEntityManager,
						"Test SDF Network ; September 2015",
						mocks.Now,
					)

					mockHorizon.On(
						"LoadAccount",
						accountID,
					).Return(
						horizon.AccountResponse{
							AccountID:      accountID,
							SequenceNumber: "10372672437354496",
						},
						nil,
					).Once()

					err := transactionSubmitter.InitAccount(seed)
					assert.Nil(t, err)

					txB64 := "AAAAAJbmB/pwwloZXCaCr9WR3Fue2lNhHGaDWKVOWO7MPq4QAAAAZAAk2eQAAAABAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAd2/WGgaQ6CJcXQtGRFodrubQZ9ci5ZPRlxpqNPWV1CAAAAAAAAAAADuaygAAAAAAAAAAAcw+rhAAAABAyFjIMIZOtstCWtZlVBDj1AhTmsk5v1i2GGY4by2b5mgZoXXGgFTB8sfbQav0LzFKCcxY8h+9xPMT2e9xznAfDw=="

					// Persist sending transaction
					mockEntityManager.On(
						"Persist",
						mock.AnythingOfType("*entities.SentTransaction"),
					).Return(nil).Once().Run(func(args mock.Arguments) {
						transaction := args.Get(0).(*entities.SentTransaction)
						assert.Equal(t, "4f885999be6ea7891052a53e496bcfb5c5a1a5bfb31923f649b028fdc74dd050", transaction.TransactionID)
						assert.Equal(t, "sending", string(transaction.Status))
						assert.Equal(t, "GCLOMB72ODBFUGK4E2BK7VMR3RNZ5WSTMEOGNA2YUVHFR3WMH2XBAB6H", transaction.Source)
						assert.Equal(t, mocks.PredefinedTime, transaction.SubmittedAt)
						assert.Equal(t, txB64, transaction.EnvelopeXdr)
					})

					// Persist failure
					mockEntityManager.On(
						"Persist",
						mock.AnythingOfType("*entities.SentTransaction"),
					).Return(nil).Once().Run(func(args mock.Arguments) {
						transaction := args.Get(0).(*entities.SentTransaction)
						assert.Equal(t, "4f885999be6ea7891052a53e496bcfb5c5a1a5bfb31923f649b028fdc74dd050", transaction.TransactionID)
						assert.Equal(t, "failure", string(transaction.Status))
						assert.Equal(t, "GCLOMB72ODBFUGK4E2BK7VMR3RNZ5WSTMEOGNA2YUVHFR3WMH2XBAB6H", transaction.Source)
						assert.Equal(t, mocks.PredefinedTime, transaction.SubmittedAt)
						assert.Equal(t, txB64, transaction.EnvelopeXdr)
					})

					mockHorizon.On("SubmitTransaction", txB64).Return(
						horizon.SubmitTransactionResponse{
							Ledger: nil,
							Extras: &horizon.SubmitTransactionResponseExtras{
								ResultXdr: "AAAAAAAAAAD////7AAAAAA==", // tx_bad_seq
							},
						},
						nil,
					).Once()

					// Updating sequence number
					mockHorizon.On(
						"LoadAccount",
						accountID,
					).Return(
						horizon.AccountResponse{
							AccountID:      accountID,
							SequenceNumber: "100",
						},
						nil,
					).Once()

					_, err = transactionSubmitter.SubmitTransaction(seed, operation, nil)
					assert.Nil(t, err)
					assert.Equal(t, uint64(100), transactionSubmitter.Accounts[seed].SequenceNumber)
					mockHorizon.AssertExpectations(t)
				})

				Convey("Successfully submits a transaction", func() {
					transactionSubmitter := NewTransactionSubmitter(
						mockHorizon,
						mockEntityManager,
						"Test SDF Network ; September 2015",
						mocks.Now,
					)

					mockHorizon.On(
						"LoadAccount",
						accountID,
					).Return(
						horizon.AccountResponse{
							AccountID:      accountID,
							SequenceNumber: "10372672437354496",
						},
						nil,
					).Once()

					err := transactionSubmitter.InitAccount(seed)
					assert.Nil(t, err)

					txB64 := "AAAAAJbmB/pwwloZXCaCr9WR3Fue2lNhHGaDWKVOWO7MPq4QAAAAZAAk2eQAAAABAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAd2/WGgaQ6CJcXQtGRFodrubQZ9ci5ZPRlxpqNPWV1CAAAAAAAAAAADuaygAAAAAAAAAAAcw+rhAAAABAyFjIMIZOtstCWtZlVBDj1AhTmsk5v1i2GGY4by2b5mgZoXXGgFTB8sfbQav0LzFKCcxY8h+9xPMT2e9xznAfDw=="

					// Persist sending transaction
					mockEntityManager.On(
						"Persist",
						mock.AnythingOfType("*entities.SentTransaction"),
					).Return(nil).Once().Run(func(args mock.Arguments) {
						transaction := args.Get(0).(*entities.SentTransaction)
						assert.Equal(t, "4f885999be6ea7891052a53e496bcfb5c5a1a5bfb31923f649b028fdc74dd050", transaction.TransactionID)
						assert.Equal(t, "sending", string(transaction.Status))
						assert.Equal(t, "GCLOMB72ODBFUGK4E2BK7VMR3RNZ5WSTMEOGNA2YUVHFR3WMH2XBAB6H", transaction.Source)
						assert.Equal(t, mocks.PredefinedTime, transaction.SubmittedAt)
						assert.Equal(t, txB64, transaction.EnvelopeXdr)
					})

					// Persist failure
					mockEntityManager.On(
						"Persist",
						mock.AnythingOfType("*entities.SentTransaction"),
					).Return(nil).Once().Run(func(args mock.Arguments) {
						transaction := args.Get(0).(*entities.SentTransaction)
						assert.Equal(t, "4f885999be6ea7891052a53e496bcfb5c5a1a5bfb31923f649b028fdc74dd050", transaction.TransactionID)
						assert.Equal(t, "success", string(transaction.Status))
						assert.Equal(t, "GCLOMB72ODBFUGK4E2BK7VMR3RNZ5WSTMEOGNA2YUVHFR3WMH2XBAB6H", transaction.Source)
						assert.Equal(t, mocks.PredefinedTime, transaction.SubmittedAt)
						assert.Equal(t, txB64, transaction.EnvelopeXdr)
					})

					ledger := uint64(1486276)
					mockHorizon.On("SubmitTransaction", txB64).Return(
						horizon.SubmitTransactionResponse{Ledger: &ledger},
						nil,
					).Once()

					response, err := transactionSubmitter.SubmitTransaction(seed, operation, nil)
					assert.Nil(t, err)
					assert.Equal(t, *response.Ledger, ledger)
					assert.Equal(t, uint64(10372672437354497), transactionSubmitter.Accounts[seed].SequenceNumber)
					mockHorizon.AssertExpectations(t)
				})
			})

			Convey("Submits transaction with a memo", func() {
				operation := b.Payment(
					b.Destination{"GB3W7VQ2A2IOQIS4LUFUMRC2DWXONUDH24ROLE6RS4NGUNHVSXKCABOM"},
					b.NativeAmount{"100"},
				)

				memo := b.MemoText{"Testing!"}

				Convey("Successfully submits a transaction", func() {
					transactionSubmitter := NewTransactionSubmitter(
						mockHorizon,
						mockEntityManager,
						"Test SDF Network ; September 2015",
						mocks.Now,
					)

					mockHorizon.On(
						"LoadAccount",
						accountID,
					).Return(
						horizon.AccountResponse{
							AccountID:      accountID,
							SequenceNumber: "10372672437354496",
						},
						nil,
					).Once()

					err := transactionSubmitter.InitAccount(seed)
					assert.Nil(t, err)

					txB64 := "AAAAAJbmB/pwwloZXCaCr9WR3Fue2lNhHGaDWKVOWO7MPq4QAAAAZAAk2eQAAAABAAAAAAAAAAEAAAAIVGVzdGluZyEAAAABAAAAAAAAAAEAAAAAd2/WGgaQ6CJcXQtGRFodrubQZ9ci5ZPRlxpqNPWV1CAAAAAAAAAAADuaygAAAAAAAAAAAcw+rhAAAABAU5ahFsd28sVKSUFcmAiEf+zSLXhf9HG/pJuQirR0s43zs7Y43vM8T3sIvJWHgwMADaZiy/D+evYWd/vS/uO8Ag=="

					// Persist sending transaction
					mockEntityManager.On(
						"Persist",
						mock.AnythingOfType("*entities.SentTransaction"),
					).Return(nil).Once().Run(func(args mock.Arguments) {
						transaction := args.Get(0).(*entities.SentTransaction)
						assert.Equal(t, "60cb3c020b0c97352cbabdf68a822b04baea61927b0f1ac31260a9f8d0150316", transaction.TransactionID)
						assert.Equal(t, "sending", string(transaction.Status))
						assert.Equal(t, "GCLOMB72ODBFUGK4E2BK7VMR3RNZ5WSTMEOGNA2YUVHFR3WMH2XBAB6H", transaction.Source)
						assert.Equal(t, mocks.PredefinedTime, transaction.SubmittedAt)
						assert.Equal(t, txB64, transaction.EnvelopeXdr)
					})

					// Persist failure
					mockEntityManager.On(
						"Persist",
						mock.AnythingOfType("*entities.SentTransaction"),
					).Return(nil).Once().Run(func(args mock.Arguments) {
						transaction := args.Get(0).(*entities.SentTransaction)
						assert.Equal(t, "60cb3c020b0c97352cbabdf68a822b04baea61927b0f1ac31260a9f8d0150316", transaction.TransactionID)
						assert.Equal(t, "success", string(transaction.Status))
						assert.Equal(t, "GCLOMB72ODBFUGK4E2BK7VMR3RNZ5WSTMEOGNA2YUVHFR3WMH2XBAB6H", transaction.Source)
						assert.Equal(t, mocks.PredefinedTime, transaction.SubmittedAt)
						assert.Equal(t, txB64, transaction.EnvelopeXdr)
					})

					ledger := uint64(1486276)
					mockHorizon.On("SubmitTransaction", txB64).Return(
						horizon.SubmitTransactionResponse{Ledger: &ledger},
						nil,
					).Once()

					response, err := transactionSubmitter.SubmitTransaction(seed, operation, memo)
					assert.Nil(t, err)
					assert.Equal(t, *response.Ledger, ledger)
					assert.Equal(t, uint64(10372672437354497), transactionSubmitter.Accounts[seed].SequenceNumber)
					mockHorizon.AssertExpectations(t)
				})
			})
		})
	})
}