added the GetMpesaOnrampRates function

config/config.go

@@ -29,6 +29,7 @@ const (
 	CreditSendPrefix             = "/api/v1/credit-send"
 	CreditSendReverseQuotePrefix = "/api/v1/pool/reverse-quote"
 	MpesaOnrampPath              = "/api/v1/trigger-onramp"
+	MpesaOnrampRatesPath         = "/api/v1/rates"
 )
 
 var (
@@ -65,6 +66,7 @@ var (
 	CreditSendURL             string
 	CreditSendReverseQuoteURL string
 	MpesaOnrampURL            string
+	MpresaOnrampRatesURL      string
 )
 
 func setBase() error {
@@ -118,6 +120,7 @@ func LoadConfig() error {
 	CreditSendURL, _ = url.JoinPath(dataURLBase, CreditSendPrefix)
 	CreditSendReverseQuoteURL, _ = url.JoinPath(dataURLBase, CreditSendReverseQuotePrefix)
 	MpesaOnrampURL, _ = url.JoinPath(mpesaOnrampBase, MpesaOnrampPath)
+	MpresaOnrampRatesURL, _ = url.JoinPath(mpesaOnrampBase, MpesaOnrampRatesPath)
 
 	return nil
 }

dev/api.go

@@ -929,3 +929,10 @@ func (das *DevAccountService) MpesaTriggerOnramp(ctx context.Context, address, p
 		TransactionCode: "ae6fb33b-4653-4f38-a3b6-85dfea7a1e99",
 	}, nil
 }
+
+func (das *DevAccountService) GetMpesaOnrampRates(ctx context.Context) (*models.MpesaOnrampRatesResponse, error) {
+	return &models.MpesaOnrampRatesResponse{
+		Buy:  128.15,
+		Sell: 130.06,
+	}, nil
+}

models/mpesa_onramp_response.go

@@ -5,3 +5,8 @@ type MpesaOnrampResponse struct {
 	Status          string `json:"status"`
 	TransactionCode string `json:"transactionCode"`
 }
+
+type MpesaOnrampRatesResponse struct {
+	Buy  float64 `json:"buy"`
+	Sell float64 `json:"sell"`
+}

remote/account_service.go

@@ -33,4 +33,5 @@ type AccountService interface {
 	GetCreditSendMaxLimit(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, publicKey string) (*models.CreditSendLimitsResult, error)
 	GetCreditSendReverseQuote(ctx context.Context, poolAddress, fromTokenAddress, toTokenAddress, toTokenAMount string) (*models.CreditSendReverseQouteResult, error)
 	MpesaTriggerOnramp(ctx context.Context, address, phoneNumber, asset string, amount int) (*models.MpesaOnrampResponse, error)
+	GetMpesaOnrampRates(ctx context.Context) (*models.MpesaOnrampRatesResponse, error)
 }

remote/http/service.go

@@ -825,6 +825,24 @@ func (as *HTTPAccountService) MpesaTriggerOnramp(ctx context.Context, address, p
 	return &r, nil
 }
 
+// GetMpesaOnrampRates calls the API to fetch the buying and selling rates for KSH.
+func (as *HTTPAccountService) GetMpesaOnrampRates(ctx context.Context) (*models.MpesaOnrampRatesResponse, error) {
+	var r models.MpesaOnrampRatesResponse
+
+	ctx = context.WithValue(ctx, ctxKeyAuthToken, config.MpesaOnrampBearerToken)
+
+	req, err := http.NewRequest("GET", config.MpresaOnrampRatesURL, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	if _, err := doRequest(ctx, req, &r); err != nil {
+		return nil, err
+	}
+
+	return &r, nil
+}
+
 // TODO: remove eth-custodial api dependency
 func doRequest(ctx context.Context, req *http.Request, rcpt any) (*api.OKResponse, error) {
 	var okResponse api.OKResponse

testutil/mocks/service_mock.go

@@ -135,3 +135,8 @@ func (m MockAccountService) MpesaTriggerOnramp(ctx context.Context, address, pho
 	args := m.Called(address, phoneNumber, asset, amount)
 	return args.Get(0).(*models.MpesaOnrampResponse), args.Error(1)
 }
+
+func (m MockAccountService) GetMpesaOnrampRates(ctx context.Context) (*models.MpesaOnrampRatesResponse, error) {
+	args := m.Called()
+	return args.Get(0).(*models.MpesaOnrampRatesResponse), args.Error(1)
+}

testutil/testservice/account_service.go

@@ -136,3 +136,7 @@ func (m TestAccountService) GetCreditSendReverseQuote(ctx context.Context, poolA
 func (m TestAccountService) MpesaTriggerOnramp(ctx context.Context, address, phoneNumber, asset string, amount int) (*models.MpesaOnrampResponse, error) {
 	return &models.MpesaOnrampResponse{}, nil
 }
+
+func (m TestAccountService) GetMpesaOnrampRates(ctx context.Context) (*models.MpesaOnrampRatesResponse, error) {
+	return &models.MpesaOnrampRatesResponse{}, nil
+}