common/db.go

@@ -29,10 +29,6 @@ const (
 	DATA_TEMPORARY_BAL
 	DATA_ACTIVE_BAL
 	DATA_PUBLIC_KEY_REVERSE
-	DATA_TEMPORARY_DECIMAL
-	DATA_ACTIVE_DECIMAL
-	DATA_TEMPORARY_ADDRESS
-	DATA_ACTIVE_ADDRESS
 )
 
 func typToBytes(typ DataTyp) []byte {

config/config.go

@@ -1,67 +1,18 @@
 package config
 
-import (
+import "git.grassecon.net/urdt/ussd/initializers"
-	"net/url"
-
-	"git.grassecon.net/urdt/ussd/initializers"
-)
-
-const (
-	createAccountPath = "/api/v2/account/create"
-	trackStatusPath = "/api/track"
-	balancePathPrefix = "/api/account"
-	trackPath = "/api/v2/account/status"
-	voucherHoldingsPathPrefix = "/api/v1/holdings"
-	voucherTransfersPathPrefix = "/api/v1/transfers/last10"
-)
-
-var (
-	custodialURLBase string
-	dataURLBase string
-	CustodialAPIKey string
-	DataAPIKey string
-)
 
 var (
 	CreateAccountURL string
 	TrackStatusURL   string
-	BalanceURL	string
+	BalanceURL       string
-	TrackURL         string
+    TrackURL         string
-	VoucherHoldingsURL	string
-	VoucherTransfersURL	string
 )
 
-func setBase() error {
-	var err error
-
-	custodialURLBase = initializers.GetEnv("CUSTODIAL_URL_BASE", "http://localhost:5003")
-	dataURLBase = initializers.GetEnv("DATA_URL_BASE", "http://localhost:5006")
-	CustodialAPIKey = initializers.GetEnv("CUSTODIAL_API_KEY", "xd")
-	DataAPIKey = initializers.GetEnv("DATA_API_KEY", "xd")
-
-	_, err = url.JoinPath(custodialURLBase, "/foo")
-	if err != nil {
-		return err
-	}
-	_, err = url.JoinPath(dataURLBase, "/bar")
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
 // LoadConfig initializes the configuration values after environment variables are loaded.
-func LoadConfig() error {
+func LoadConfig() {
-	err := setBase()
+	CreateAccountURL = initializers.GetEnv("CREATE_ACCOUNT_URL", "http://localhost:5003/api/v2/account/create")
-	if err != nil {
+	TrackStatusURL = initializers.GetEnv("TRACK_STATUS_URL", "https://custodial.sarafu.africa/api/track/")
-		return err
+	BalanceURL = initializers.GetEnv("BALANCE_URL", "https://custodial.sarafu.africa/api/account/status/")
-	}
+    TrackURL = initializers.GetEnv("TRACK_URL", "http://localhost:5003/api/v2/account/status")
-	CreateAccountURL, _  = url.JoinPath(custodialURLBase, createAccountPath)
-	TrackStatusURL, _ = url.JoinPath(custodialURLBase, trackStatusPath)
-	BalanceURL, _ = url.JoinPath(custodialURLBase, balancePathPrefix)
-	TrackURL, _ = url.JoinPath(custodialURLBase, trackPath)
-	VoucherHoldingsURL, _ = url.JoinPath(dataURLBase, voucherHoldingsPathPrefix)
-	VoucherTransfersURL, _ = url.JoinPath(dataURLBase, voucherTransfersPathPrefix)
-
-	return nil
 }

go.mod

@@ -12,8 +12,6 @@ require (
 	gopkg.in/leonelquinteros/gotext.v1 v1.3.1
 )
 
-require github.com/grassrootseconomics/ussd-data-service v0.0.0-20241003123429-4904b4438a3a // indirect
-
 require (
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect

go.sum

@@ -18,8 +18,6 @@ github.com/gofrs/uuid v4.4.0+incompatible h1:3qXRTX8/NbyulANqlc0lchS1gqAVxRgsuW1
 github.com/gofrs/uuid v4.4.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/grassrootseconomics/eth-custodial v1.3.0-beta h1:twrMBhl89GqDUL9PlkzQxMP/6OST1BByrNDj+rqXDmU=
 github.com/grassrootseconomics/eth-custodial v1.3.0-beta/go.mod h1:7uhRcdnJplX4t6GKCEFkbeDhhjlcaGJeJqevbcvGLZo=
-github.com/grassrootseconomics/ussd-data-service v0.0.0-20241003123429-4904b4438a3a h1:q/YH7nE2j8epNmFnTu0tU1vwtCxtQ6nH+d7hRVV5krU=
-github.com/grassrootseconomics/ussd-data-service v0.0.0-20241003123429-4904b4438a3a/go.mod h1:hdKaKwqiW6/kphK4j/BhmuRlZDLo1+DYo3gYw5O0siw=
 github.com/graygnuorg/go-gdbm v0.0.0-20220711140707-71387d66dce4 h1:U4kkNYryi/qfbBF8gh7Vsbuz+cVmhf5kt6pE9bYYyLo=
 github.com/graygnuorg/go-gdbm v0.0.0-20220711140707-71387d66dce4/go.mod h1:zpZDgZFzeq9s0MIeB1P50NIEWDFFHSFBohI/NbaTD/Y=
 github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=

internal/handlers/ussd/menuhandler.go

@@ -66,7 +66,6 @@ type Handlers struct {
 	userdataStore  common.DataStore
 	flagManager    *asm.FlagParser
 	accountService remote.AccountServiceInterface
-	prefixDb       storage.PrefixDb
 }
 
 func NewHandlers(appFlags *asm.FlagParser, userdataStore db.Db, accountService remote.AccountServiceInterface) (*Handlers, error) {
@@ -76,14 +75,10 @@ func NewHandlers(appFlags *asm.FlagParser, userdataStore db.Db, accountService r
 	userDb := &common.UserDataStore{
 		Db: userdataStore,
 	}
-	// Instantiate the SubPrefixDb with "vouchers" prefix
-	prefixDb := storage.NewSubPrefixDb(userdataStore, []byte("vouchers"))
-
 	h := &Handlers{
 		userdataStore:  userDb,
 		flagManager:    appFlags,
 		accountService: accountService,
-		prefixDb:       prefixDb,
 	}
 	return h, nil
 }
@@ -149,12 +144,12 @@ func (h *Handlers) SetLanguage(ctx context.Context, sym string, input []byte) (r
 
 func (h *Handlers) createAccountNoExist(ctx context.Context, sessionId string, res *resource.Result) error {
 	flag_account_created, _ := h.flagManager.GetFlag("flag_account_created")
-	r, err := h.accountService.CreateAccount(ctx)
+	okResponse, err := h.accountService.CreateAccount(ctx)
 	if err != nil {
 		return err
 	}
-	trackingId := r.TrackingId
+	trackingId := okResponse.Result["trackingId"].(string)
-	publicKey := r.PublicKey
+	publicKey := okResponse.Result["publicKey"].(string)
 
 	data := map[common.DataTyp]string{
 		common.DATA_TRACKING_ID: trackingId,
@@ -682,7 +677,6 @@ func (h *Handlers) CheckBalance(ctx context.Context, sym string, input []byte) (
 
 func (h *Handlers) FetchCustodialBalances(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
-
 	flag_api_error, _ := h.flagManager.GetFlag("flag_api_call_error")
 
 	sessionId, ok := ctx.Value("SessionId").(string)
@@ -700,13 +694,14 @@ func (h *Handlers) FetchCustodialBalances(ctx context.Context, sym string, input
 
 	balanceResponse, err := h.accountService.CheckBalance(ctx, string(publicKey))
 	if err != nil {
+		return res, nil
+	}
+	if !balanceResponse.Ok {
 		res.FlagSet = append(res.FlagSet, flag_api_error)
 		return res, nil
 	}
 	res.FlagReset = append(res.FlagReset, flag_api_error)
-
+	balance := balanceResponse.Result.Balance
-	//balance := balanceResponse.Result.Balance
-	balance := balanceResponse.Balance
 
 	switch balanceType {
 	case "my":
@@ -1056,23 +1051,23 @@ func (h *Handlers) SetDefaultVoucher(ctx context.Context, sym string, input []by
 		if db.IsNotFound(err) {
 			publicKey, err := store.ReadEntry(ctx, sessionId, common.DATA_PUBLIC_KEY)
 			if err != nil {
-				return res, err
+				return res, nil
 			}
 
 			// Fetch vouchers from the API using the public key
 			vouchersResp, err := h.accountService.FetchVouchers(ctx, string(publicKey))
 			if err != nil {
-				return res, err
+				return res, nil
 			}
 
 			// Return if there is no voucher
-			if len(vouchersResp) == 0 {
+			if len(vouchersResp.Result.Holdings) == 0 {
 				res.FlagSet = append(res.FlagSet, flag_no_active_voucher)
 				return res, nil
 			}
 
 			// Use only the first voucher
-			firstVoucher := vouchersResp[0]
+			firstVoucher := vouchersResp.Result.Holdings[0]
 			defaultSym := firstVoucher.TokenSymbol
 			defaultBal := firstVoucher.Balance
 
@@ -1119,33 +1114,54 @@ func (h *Handlers) CheckVouchers(ctx context.Context, sym string, input []byte)
 		return res, nil
 	}
 
-	data := utils.ProcessVouchers(vouchersResp)
+	// process voucher data
+	voucherSymbolList, voucherBalanceList := ProcessVouchers(vouchersResp.Result.Holdings)
 
-	// Store all voucher data
+	prefixdb := storage.NewSubPrefixDb(store, []byte("vouchers"))
-	dataMap := map[string]string{
+	err = prefixdb.Put(ctx, []byte("sym"), []byte(voucherSymbolList))
-		"sym":  data.Symbols,
+	if err != nil {
-		"bal":  data.Balances,
+		return res, nil
-		"deci": data.Decimals,
-		"addr": data.Addresses,
 	}
 
-	for key, value := range dataMap {
+	err = prefixdb.Put(ctx, []byte("bal"), []byte(voucherBalanceList))
-		if err := h.prefixDb.Put(ctx, []byte(key), []byte(value)); err != nil {
+	if err != nil {
-			return res, nil
+		return res, nil
-		}
 	}
 
 	return res, nil
 }
 
+// ProcessVouchers formats the holdings into symbol and balance lists.
+func ProcessVouchers(holdings []struct {
+	ContractAddress string `json:"contractAddress"`
+	TokenSymbol     string `json:"tokenSymbol"`
+	TokenDecimals   string `json:"tokenDecimals"`
+	Balance         string `json:"balance"`
+}) (string, string) {
+	var numberedSymbols, numberedBalances []string
+
+	for i, voucher := range holdings {
+		numberedSymbols = append(numberedSymbols, fmt.Sprintf("%d:%s", i+1, voucher.TokenSymbol))
+		numberedBalances = append(numberedBalances, fmt.Sprintf("%d:%s", i+1, voucher.Balance))
+	}
+
+	voucherSymbolList := strings.Join(numberedSymbols, "\n")
+	voucherBalanceList := strings.Join(numberedBalances, "\n")
+
+	return voucherSymbolList, voucherBalanceList
+}
+
 // GetVoucherList fetches the list of vouchers and formats them
 func (h *Handlers) GetVoucherList(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
 
 	// Read vouchers from the store
-	voucherData, err := h.prefixDb.Get(ctx, []byte("sym"))
+	store := h.userdataStore
+	prefixdb := storage.NewSubPrefixDb(store, []byte("vouchers"))
+
+	voucherData, err := prefixdb.Get(ctx, []byte("sym"))
 	if err != nil {
-		return res, err
+		return res, nil
 	}
 
 	res.Content = string(voucherData)
@@ -1156,6 +1172,8 @@ func (h *Handlers) GetVoucherList(ctx context.Context, sym string, input []byte)
 // ViewVoucher retrieves the token holding and balance from the subprefixDB
 func (h *Handlers) ViewVoucher(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	store := h.userdataStore
+
 	sessionId, ok := ctx.Value("SessionId").(string)
 	if !ok {
 		return res, fmt.Errorf("missing session")
@@ -1164,52 +1182,126 @@ func (h *Handlers) ViewVoucher(ctx context.Context, sym string, input []byte) (r
 	flag_incorrect_voucher, _ := h.flagManager.GetFlag("flag_incorrect_voucher")
 
 	inputStr := string(input)
+
 	if inputStr == "0" || inputStr == "99" {
 		res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
 		return res, nil
 	}
 
-	metadata, err := utils.GetVoucherData(ctx, h.prefixDb, inputStr)
+	prefixdb := storage.NewSubPrefixDb(store, []byte("vouchers"))
+
+	// Retrieve the voucher symbol list
+	voucherSymbolList, err := prefixdb.Get(ctx, []byte("sym"))
 	if err != nil {
-		return res, fmt.Errorf("failed to retrieve voucher data: %v", err)
+		return res, fmt.Errorf("failed to retrieve voucher symbol list: %v", err)
 	}
 
-	if metadata == nil {
+	// Retrieve the voucher balance list
+	voucherBalanceList, err := prefixdb.Get(ctx, []byte("bal"))
+	if err != nil {
+		return res, fmt.Errorf("failed to retrieve voucher balance list: %v", err)
+	}
+
+	// match the voucher symbol and balance with the input
+	matchedSymbol, matchedBalance := MatchVoucher(inputStr, string(voucherSymbolList), string(voucherBalanceList))
+
+	// If a match is found, write the temporary sym and balance
+	if matchedSymbol != "" && matchedBalance != "" {
+		err = store.WriteEntry(ctx, sessionId, common.DATA_TEMPORARY_SYM, []byte(matchedSymbol))
+		if err != nil {
+			return res, err
+		}
+		err = store.WriteEntry(ctx, sessionId, common.DATA_TEMPORARY_BAL, []byte(matchedBalance))
+		if err != nil {
+			return res, err
+		}
+
+		res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
+		res.Content = fmt.Sprintf("%s\n%s", matchedSymbol, matchedBalance)
+	} else {
 		res.FlagSet = append(res.FlagSet, flag_incorrect_voucher)
-		return res, nil
 	}
 
-	if err := utils.StoreTemporaryVoucher(ctx, h.userdataStore, sessionId, metadata); err != nil {
-		return res, err
-	}
-
-	res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
-	res.Content = fmt.Sprintf("%s\n%s", metadata.TokenSymbol, metadata.Balance)
-
 	return res, nil
 }
 
-// SetVoucher retrieves the temp voucher data and sets it as the active data
+// MatchVoucher finds the matching voucher symbol and balance based on the input.
+func MatchVoucher(inputStr string, voucherSymbols, voucherBalances string) (string, string) {
+	// Split the lists into slices for processing
+	symbols := strings.Split(voucherSymbols, "\n")
+	balances := strings.Split(voucherBalances, "\n")
+
+	var matchedSymbol, matchedBalance string
+
+	for i, symbol := range symbols {
+		symbolParts := strings.SplitN(symbol, ":", 2)
+		if len(symbolParts) != 2 {
+			continue
+		}
+		voucherNum := symbolParts[0]
+		voucherSymbol := symbolParts[1]
+
+		// Check if input matches either the number or the symbol
+		if inputStr == voucherNum || strings.EqualFold(inputStr, voucherSymbol) {
+			matchedSymbol = voucherSymbol
+			// Ensure there's a corresponding balance
+			if i < len(balances) {
+				matchedBalance = strings.SplitN(balances[i], ":", 2)[1]
+			}
+			break
+		}
+	}
+
+	return matchedSymbol, matchedBalance
+}
+
+// SetVoucher retrieves the temporary sym and balance,
+// sets them as the active data and
+// clears the temporary data
 func (h *Handlers) SetVoucher(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
+	var err error
+	store := h.userdataStore
 
 	sessionId, ok := ctx.Value("SessionId").(string)
 	if !ok {
 		return res, fmt.Errorf("missing session")
 	}
 
-
+	// get the current temporary symbol
-	// Get temporary data
+	temporarySym, err := store.ReadEntry(ctx, sessionId, common.DATA_TEMPORARY_SYM)
-	tempData, err := utils.GetTemporaryVoucherData(ctx, h.userdataStore, sessionId)
+	if err != nil {
+		return res, err
+	}
+	// get the current temporary balance
+	temporaryBal, err := store.ReadEntry(ctx, sessionId, common.DATA_TEMPORARY_BAL)
 	if err != nil {
 		return res, err
 	}
 
-	// Set as active and clear temporary data
+	// set the active symbol
-	if err := utils.UpdateVoucherData(ctx, h.userdataStore, sessionId, tempData); err != nil {
+	err = store.WriteEntry(ctx, sessionId, common.DATA_ACTIVE_SYM, []byte(temporarySym))
+	if err != nil {
+		return res, err
+	}
+	// set the active balance
+	err = store.WriteEntry(ctx, sessionId, common.DATA_ACTIVE_BAL, []byte(temporaryBal))
+	if err != nil {
 		return res, err
 	}
 
-	res.Content = tempData.TokenSymbol
+	// reset the temporary symbol
+	err = store.WriteEntry(ctx, sessionId, common.DATA_TEMPORARY_SYM, []byte(""))
+	if err != nil {
+		return res, err
+	}
+	// reset the temporary balance
+	err = store.WriteEntry(ctx, sessionId, common.DATA_TEMPORARY_BAL, []byte(""))
+	if err != nil {
+		return res, err
+	}
+
+	res.Content = string(temporarySym)
+
 	return res, nil
 }

internal/handlers/ussd/menuhandler_test.go

@@ -24,8 +24,6 @@ import (
 	"github.com/grassrootseconomics/eth-custodial/pkg/api"
 	testdataloader "github.com/peteole/testdata-loader"
 	"github.com/stretchr/testify/require"
-
-	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 )
 
 var (
@@ -88,14 +86,18 @@ func TestCreateAccount(t *testing.T) {
 
 	tests := []struct {
 		name           string
-		serverResponse *models.AccountResult
+		serverResponse *api.OKResponse
 		expectedResult resource.Result
 	}{
 		{
 			name: "Test account creation success",
-			serverResponse: &models.AccountResult{
+			serverResponse: &api.OKResponse{
-				TrackingId: "1234567890",
+				Ok:          true,
-				PublicKey: "0xD3adB33f",
+				Description: "Account creation successed",
+				Result: map[string]any{
+					"trackingId": "1234567890",
+					"publicKey":  "0xD3adB33f",
+				},
 			},
 			expectedResult: resource.Result{
 				FlagSet: []uint32{flag_account_created},
@@ -115,9 +117,9 @@ func TestCreateAccount(t *testing.T) {
 				flagManager:    fm.parser,
 			}
 
-			publicKey := tt.serverResponse.PublicKey
+			publicKey := tt.serverResponse.Result["publicKey"].(string)
 			data := map[common.DataTyp]string{
-				common.DATA_TRACKING_ID: tt.serverResponse.TrackingId,
+				common.DATA_TRACKING_ID: tt.serverResponse.Result["trackingId"].(string),
 				common.DATA_PUBLIC_KEY:  publicKey,
 			}
 
@@ -1051,7 +1053,7 @@ func TestCheckAccountStatus(t *testing.T) {
 		name           string
 		input          []byte
 		serverResponse *api.OKResponse
-		response       *models.TrackStatusResult
+		response       *models.TrackStatusResponse
 		expectedResult resource.Result
 	}{
 		{
@@ -1064,12 +1066,25 @@ func TestCheckAccountStatus(t *testing.T) {
 					"active": true,
 				},
 			},
-			response: &models.TrackStatusResult {
+			response: &models.TrackStatusResponse{
-				CreatedAt:     time.Now(),
+				Ok: true,
-				Status:        "SUCCESS",
+				Result: struct {
-				TransferValue: json.Number("0.5"),
+					Transaction struct {
-				TxHash:        "0x123abc456def",
+						CreatedAt     time.Time   "json:\"createdAt\""
-				TxType:        "transfer",
+						Status        string      "json:\"status\""
+						TransferValue json.Number "json:\"transferValue\""
+						TxHash        string      "json:\"txHash\""
+						TxType        string      "json:\"txType\""
+					}
+				}{
+					Transaction: models.Transaction{
+						CreatedAt:     time.Now(),
+						Status:        "SUCCESS",
+						TransferValue: json.Number("0.5"),
+						TxHash:        "0x123abc456def",
+						TxType:        "transfer",
+					},
+				},
 			},
 			expectedResult: resource.Result{
 				FlagSet:   []uint32{flag_account_success},
@@ -1079,12 +1094,25 @@ func TestCheckAccountStatus(t *testing.T) {
 		{
 			name:  "Test when the account is not  yet on the sarafu network",
 			input: []byte("TrackingId1234"),
-			response: &models.TrackStatusResult{
+			response: &models.TrackStatusResponse{
-				CreatedAt:     time.Now(),
+				Ok: true,
-				Status:        "SUCCESS",
+				Result: struct {
-				TransferValue: json.Number("0.5"),
+					Transaction struct {
-				TxHash:        "0x123abc456def",
+						CreatedAt     time.Time   "json:\"createdAt\""
-				TxType:        "transfer",
+						Status        string      "json:\"status\""
+						TransferValue json.Number "json:\"transferValue\""
+						TxHash        string      "json:\"txHash\""
+						TxType        string      "json:\"txType\""
+					}
+				}{
+					Transaction: models.Transaction{
+						CreatedAt:     time.Now(),
+						Status:        "SUCCESS",
+						TransferValue: json.Number("0.5"),
+						TxHash:        "0x123abc456def",
+						TxType:        "transfer",
+					},
+				},
 			},
 			serverResponse: &api.OKResponse{
 				Ok:          true,
@@ -1110,7 +1138,7 @@ func TestCheckAccountStatus(t *testing.T) {
 				flagManager:    fm.parser,
 			}
 
-			status := tt.response.Status
+			status := tt.response.Result.Transaction.Status
 			// Define expected interactions with the mock
 			mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_PUBLIC_KEY).Return(tt.input, nil)
 
@@ -1129,6 +1157,7 @@ func TestCheckAccountStatus(t *testing.T) {
 
 			// Assert that expectations were met
 			mockDataStore.AssertExpectations(t)
+
 		})
 	}
 
@@ -1459,8 +1488,8 @@ func TestValidateAmount(t *testing.T) {
 			},
 		},
 		{
-			name:      "Test with invalid amount format",
+			name:    "Test with invalid amount format",
-			input:     []byte("0.02ms"),
+			input:   []byte("0.02ms"),
 			activeBal: []byte("5"),
 			expectedResult: resource.Result{
 				FlagSet: []uint32{flag_invalid_amount},
@@ -1789,6 +1818,40 @@ func TestConfirmPin(t *testing.T) {
 	}
 }
 
+func TestSetVoucher(t *testing.T) {
+	mockDataStore := new(mocks.MockUserDataStore)
+
+	sessionId := "session123"
+	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
+
+	temporarySym := []byte("tempSym")
+	temporaryBal := []byte("tempBal")
+
+	// Set expectations for the mock data store
+	mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_TEMPORARY_SYM).Return(temporarySym, nil)
+	mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_TEMPORARY_BAL).Return(temporaryBal, nil)
+	mockDataStore.On("WriteEntry", ctx, sessionId, common.DATA_ACTIVE_SYM, temporarySym).Return(nil)
+	mockDataStore.On("WriteEntry", ctx, sessionId, common.DATA_ACTIVE_BAL, temporaryBal).Return(nil)
+	mockDataStore.On("WriteEntry", ctx, sessionId, common.DATA_TEMPORARY_SYM, []byte("")).Return(nil)
+	mockDataStore.On("WriteEntry", ctx, sessionId, common.DATA_TEMPORARY_BAL, []byte("")).Return(nil)
+
+	h := &Handlers{
+		userdataStore: mockDataStore,
+	}
+
+	// Call the method under test
+	res, err := h.SetVoucher(ctx, "someSym", []byte{})
+
+	// Assert that no errors occurred
+	assert.NoError(t, err)
+
+	// Assert that the result content is correct
+	assert.Equal(t, string(temporarySym), res.Content)
+
+	// Assert that expectations were met
+	mockDataStore.AssertExpectations(t)
+}
+
 func TestFetchCustodialBalances(t *testing.T) {
 	fm, err := NewFlagManager(flagsPath)
 	if err != nil {
@@ -1803,14 +1866,36 @@ func TestFetchCustodialBalances(t *testing.T) {
 
 	tests := []struct {
 		name           string
-		balanceResponse *models.BalanceResult
+		balanceResonse *models.BalanceResponse
 		expectedResult resource.Result
 	}{
 		{
 			name: "Test when fetch custodial balances is not a success",
-			balanceResponse: &models.BalanceResult{
+			balanceResonse: &models.BalanceResponse{
-				Balance: "0.003 CELO",
+				Ok: false,
-				Nonce:   json.Number("0"),
+				Result: struct {
+					Balance string      `json:"balance"`
+					Nonce   json.Number `json:"nonce"`
+				}{
+					Balance: "0.003 CELO",
+					Nonce:   json.Number("0"),
+				},
+			},
+			expectedResult: resource.Result{
+				FlagSet: []uint32{flag_api_error},
+			},
+		},
+		{
+			name: "Test when fetch custodial balances is a success",
+			balanceResonse: &models.BalanceResponse{
+				Ok: true,
+				Result: struct {
+					Balance string      `json:"balance"`
+					Nonce   json.Number `json:"nonce"`
+				}{
+					Balance: "0.003 CELO",
+					Nonce:   json.Number("0"),
+				},
 			},
 			expectedResult: resource.Result{
 				FlagReset: []uint32{flag_api_error},
@@ -1834,7 +1919,7 @@ func TestFetchCustodialBalances(t *testing.T) {
 
 			// Set up the expected behavior of the mock
 			mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_PUBLIC_KEY).Return([]byte(publicKey), nil)
-			mockCreateAccountService.On("CheckBalance", string(publicKey)).Return(tt.balanceResponse, nil)
+			mockCreateAccountService.On("CheckBalance", string(publicKey)).Return(tt.balanceResonse, nil)
 
 			// Call the method
 			res, _ := h.FetchCustodialBalances(ctx, "fetch_custodial_balances", []byte(""))
@@ -1848,244 +1933,3 @@ func TestFetchCustodialBalances(t *testing.T) {
 		})
 	}
 }
-
-func TestSetDefaultVoucher(t *testing.T) {
-	fm, err := NewFlagManager(flagsPath)
-	if err != nil {
-		t.Logf(err.Error())
-	}
-	flag_no_active_voucher, err := fm.GetFlag("flag_no_active_voucher")
-	if err != nil {
-		t.Logf(err.Error())
-	}
-	// Define session ID and mock data
-	sessionId := "session123"
-	publicKey := "0X13242618721"
-	notFoundErr := db.ErrNotFound{}
-	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
-
-	tests := []struct {
-		name           string
-		vouchersResp   []dataserviceapi.TokenHoldings
-		expectedResult resource.Result
-	}{
-		{
-			name: "Test set default voucher when no active voucher exists",
-			vouchersResp: []dataserviceapi.TokenHoldings {
-				dataserviceapi.TokenHoldings{
-					ContractAddress: "0x123",
-					TokenSymbol:     "TOKEN1",
-					TokenDecimals:   "18",
-					Balance:         "100",
-				},
-			},
-			expectedResult: resource.Result{},
-		},
-		{
-			name: "Test no vouchers available",
-			vouchersResp: []dataserviceapi.TokenHoldings {
-			},
-			expectedResult: resource.Result{
-				FlagSet: []uint32{flag_no_active_voucher},
-			},
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			mockDataStore := new(mocks.MockUserDataStore)
-			mockAccountService := new(mocks.MockAccountService)
-
-			h := &Handlers{
-				userdataStore:  mockDataStore,
-				accountService: mockAccountService,
-				flagManager:    fm.parser,
-			}
-
-			mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_ACTIVE_SYM).Return([]byte(""), notFoundErr)
-			mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_PUBLIC_KEY).Return([]byte(publicKey), nil)
-
-			mockAccountService.On("FetchVouchers", string(publicKey)).Return(tt.vouchersResp, nil)
-
-			if len(tt.vouchersResp) > 0 {
-				firstVoucher := tt.vouchersResp[0]
-				mockDataStore.On("WriteEntry", ctx, sessionId, common.DATA_ACTIVE_SYM, []byte(firstVoucher.TokenSymbol)).Return(nil)
-				mockDataStore.On("WriteEntry", ctx, sessionId, common.DATA_ACTIVE_BAL, []byte(firstVoucher.Balance)).Return(nil)
-			}
-
-			res, err := h.SetDefaultVoucher(ctx, "set_default_voucher", []byte("some-input"))
-
-			assert.NoError(t, err)
-
-			assert.Equal(t, res, tt.expectedResult, "Expected result should be equal to the actual result")
-
-			mockDataStore.AssertExpectations(t)
-			mockAccountService.AssertExpectations(t)
-		})
-	}
-}
-
-func TestCheckVouchers(t *testing.T) {
-	mockDataStore := new(mocks.MockUserDataStore)
-	mockAccountService := new(mocks.MockAccountService)
-	mockSubPrefixDb := new(mocks.MockSubPrefixDb)
-
-	sessionId := "session123"
-	publicKey := "0X13242618721"
-
-	h := &Handlers{
-		userdataStore:  mockDataStore,
-		accountService: mockAccountService,
-		prefixDb:       mockSubPrefixDb,
-	}
-
-	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
-
-	mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_PUBLIC_KEY).Return([]byte(publicKey), nil)
-
-	mockVouchersResponse := []dataserviceapi.TokenHoldings{
-		{ContractAddress: "0xd4c288865Ce", TokenSymbol: "SRF", TokenDecimals: "6", Balance: "100"},
-		{ContractAddress: "0x41c188d63Qa", TokenSymbol: "MILO", TokenDecimals: "4", Balance: "200"},
-	}
-
-	mockAccountService.On("FetchVouchers", string(publicKey)).Return(mockVouchersResponse, nil)
-
-	mockSubPrefixDb.On("Put", ctx, []byte("sym"), []byte("1:SRF\n2:MILO")).Return(nil)
-	mockSubPrefixDb.On("Put", ctx, []byte("bal"), []byte("1:100\n2:200")).Return(nil)
-	mockSubPrefixDb.On("Put", ctx, []byte("deci"), []byte("1:6\n2:4")).Return(nil)
-	mockSubPrefixDb.On("Put", ctx, []byte("addr"), []byte("1:0xd4c288865Ce\n2:0x41c188d63Qa")).Return(nil)
-
-	_, err := h.CheckVouchers(ctx, "check_vouchers", []byte(""))
-
-	assert.NoError(t, err)
-
-	mockDataStore.AssertExpectations(t)
-	mockAccountService.AssertExpectations(t)
-}
-
-func TestGetVoucherList(t *testing.T) {
-	mockSubPrefixDb := new(mocks.MockSubPrefixDb)
-
-	sessionId := "session123"
-	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
-
-	h := &Handlers{
-		prefixDb: mockSubPrefixDb,
-	}
-
-	mockSubPrefixDb.On("Get", ctx, []byte("sym")).Return([]byte("1:SRF\n2:MILO"), nil)
-
-	res, err := h.GetVoucherList(ctx, "", []byte(""))
-	assert.NoError(t, err)
-	assert.Contains(t, res.Content, "1:SRF\n2:MILO")
-
-	mockSubPrefixDb.AssertExpectations(t)
-}
-
-func TestViewVoucher(t *testing.T) {
-	fm, err := NewFlagManager(flagsPath)
-	if err != nil {
-		t.Logf(err.Error())
-	}
-	mockDataStore := new(mocks.MockUserDataStore)
-	mockSubPrefixDb := new(mocks.MockSubPrefixDb)
-
-	sessionId := "session123"
-	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
-
-	h := &Handlers{
-		userdataStore: mockDataStore,
-		flagManager:   fm.parser,
-		prefixDb:      mockSubPrefixDb,
-	}
-
-	// Define mock voucher data
-	mockVoucherData := map[string]string{
-		"sym":  "1:SRF",
-		"bal":  "1:100",
-		"deci": "1:6",
-		"addr": "1:0xd4c288865Ce",
-	}
-
-	for key, value := range mockVoucherData {
-		mockSubPrefixDb.On("Get", ctx, []byte(key)).Return([]byte(value), nil)
-	}
-
-	// Set up expectations for mockDataStore
-	expectedData := map[common.DataTyp]string{
-		common.DATA_TEMPORARY_SYM:     "SRF",
-		common.DATA_TEMPORARY_BAL:     "100",
-		common.DATA_TEMPORARY_DECIMAL: "6",
-		common.DATA_TEMPORARY_ADDRESS: "0xd4c288865Ce",
-	}
-
-	for dataType, dataValue := range expectedData {
-		mockDataStore.On("WriteEntry", ctx, sessionId, dataType, []byte(dataValue)).Return(nil)
-	}
-
-	res, err := h.ViewVoucher(ctx, "view_voucher", []byte("1"))
-	assert.NoError(t, err)
-	assert.Contains(t, res.Content, "SRF\n100")
-
-	mockDataStore.AssertExpectations(t)
-	mockSubPrefixDb.AssertExpectations(t)
-}
-
-func TestSetVoucher(t *testing.T) {
-	mockDataStore := new(mocks.MockUserDataStore)
-
-	sessionId := "session123"
-	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
-
-	// Define the temporary voucher data
-	tempData := &dataserviceapi.TokenHoldings{
-		TokenSymbol:     "SRF",
-		Balance:         "200",
-		TokenDecimals:   "6",
-		ContractAddress: "0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9",
-	}
-
-	// Define the expected active entries
-	activeEntries := map[common.DataTyp][]byte{
-		common.DATA_ACTIVE_SYM:     []byte(tempData.TokenSymbol),
-		common.DATA_ACTIVE_BAL:     []byte(tempData.Balance),
-		common.DATA_ACTIVE_DECIMAL: []byte(tempData.TokenDecimals),
-		common.DATA_ACTIVE_ADDRESS: []byte(tempData.ContractAddress),
-	}
-
-	// Define the temporary entries to be cleared
-	tempEntries := map[common.DataTyp][]byte{
-		common.DATA_TEMPORARY_SYM:     []byte(""),
-		common.DATA_TEMPORARY_BAL:     []byte(""),
-		common.DATA_TEMPORARY_DECIMAL: []byte(""),
-		common.DATA_TEMPORARY_ADDRESS: []byte(""),
-	}
-
-	// Mocking ReadEntry calls for temporary data retrieval
-	mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_TEMPORARY_SYM).Return([]byte(tempData.TokenSymbol), nil)
-	mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_TEMPORARY_BAL).Return([]byte(tempData.Balance), nil)
-	mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_TEMPORARY_DECIMAL).Return([]byte(tempData.TokenDecimals), nil)
-	mockDataStore.On("ReadEntry", ctx, sessionId, common.DATA_TEMPORARY_ADDRESS).Return([]byte(tempData.ContractAddress), nil)
-
-	// Mocking WriteEntry calls for setting active data
-	for key, value := range activeEntries {
-		mockDataStore.On("WriteEntry", ctx, sessionId, key, value).Return(nil)
-	}
-
-	// Mocking WriteEntry calls for clearing temporary data
-	for key, value := range tempEntries {
-		mockDataStore.On("WriteEntry", ctx, sessionId, key, value).Return(nil)
-	}
-
-	h := &Handlers{
-		userdataStore: mockDataStore,
-	}
-
-	res, err := h.SetVoucher(ctx, "someSym", []byte{})
-
-	assert.NoError(t, err)
-
-	assert.Equal(t, string(tempData.TokenSymbol), res.Content)
-
-	mockDataStore.AssertExpectations(t)
-}

internal/models/accountresponse.go

@@ -1,6 +1,10 @@
 package models
 
-type AccountResult struct {
+type AccountResponse struct {
-	PublicKey string `json:"publicKey"`
+	Ok          bool   `json:"ok"`
-	TrackingId string `json:"trackingId"`
+	Description string `json:"description"` // Include the description field
+	Result      struct {
+		PublicKey  string `json:"publicKey"`
+		TrackingId string `json:"trackingId"`
+	} `json:"result"`
 }

internal/models/balanceresponse.go

@@ -3,15 +3,10 @@ package models
 import "encoding/json"
 
 
-//type BalanceResponse struct {
+type BalanceResponse struct {
-//	Ok     bool `json:"ok"`
+	Ok     bool `json:"ok"`
-//	Result struct {
+	Result struct {
-//		Balance string      `json:"balance"`
+		Balance string      `json:"balance"`
-//		Nonce   json.Number `json:"nonce"`
+		Nonce   json.Number `json:"nonce"`
-//	} `json:"result"`
+	} `json:"result"`
-//}
-//
-type BalanceResult struct {
-	Balance string      `json:"balance"`
-	Nonce   json.Number `json:"nonce"`
 }

internal/models/trackstatusresponse.go

@@ -4,18 +4,23 @@ import (
 	"encoding/json"
 	"time"
 )
-//type Transaction struct {
+type Transaction struct {
-//	CreatedAt     time.Time   `json:"createdAt"`
-//	Status        string      `json:"status"`
-//	TransferValue json.Number `json:"transferValue"`
-//	TxHash        string      `json:"txHash"`
-//	TxType        string      `json:"txType"`
-//}
-
-type TrackStatusResult struct {
 	CreatedAt     time.Time   `json:"createdAt"`
 	Status        string      `json:"status"`
 	TransferValue json.Number `json:"transferValue"`
 	TxHash        string      `json:"txHash"`
 	TxType        string      `json:"txType"`
 }
+
+type TrackStatusResponse struct {
+	Ok     bool `json:"ok"`
+	Result struct {
+		Transaction struct {
+			CreatedAt     time.Time   `json:"createdAt"`
+			Status        string      `json:"status"`
+			TransferValue json.Number `json:"transferValue"`
+			TxHash        string      `json:"txHash"`
+			TxType        string      `json:"txType"`
+		}
+	} `json:"result"`
+}

internal/models/vouchersresponse.go

@@ -1 +1,15 @@
 package models
+
+// VoucherHoldingResponse represents a single voucher holding
+type VoucherHoldingResponse struct {
+	Ok          bool   `json:"ok"`
+	Description string `json:"description"`
+	Result      struct {
+		Holdings []struct {
+			ContractAddress string `json:"contractAddress"`
+			TokenSymbol     string `json:"tokenSymbol"`
+			TokenDecimals   string `json:"tokenDecimals"`
+			Balance         string `json:"balance"`
+		} `json:"holdings"`
+	} `json:"result"`
+}

internal/storage/db.go

@@ -10,14 +10,6 @@ const (
 	DATATYPE_USERSUB = 64
 )
 
-// PrefixDb interface abstracts the database operations.
-type PrefixDb interface {
-	Get(ctx context.Context, key []byte) ([]byte, error)
-	Put(ctx context.Context, key []byte, val []byte) error
-}
-
-var _ PrefixDb = (*SubPrefixDb)(nil)
-
 type SubPrefixDb struct {
 	store db.Db
 	pfx   []byte
@@ -37,7 +29,11 @@ func (s *SubPrefixDb) toKey(k []byte) []byte {
 func (s *SubPrefixDb) Get(ctx context.Context, key []byte) ([]byte, error) {
 	s.store.SetPrefix(DATATYPE_USERSUB)
 	key = s.toKey(key)
-	return s.store.Get(ctx, key)
+	v, err := s.store.Get(ctx, key)
+	if err != nil {
+		return nil, err
+	}
+	return v, nil
 }
 
 func (s *SubPrefixDb) Put(ctx context.Context, key []byte, val []byte) error {

internal/testutil/mocks/servicemock.go

@@ -5,7 +5,6 @@ import (
 
 	"git.grassecon.net/urdt/ussd/internal/models"
 	"github.com/grassrootseconomics/eth-custodial/pkg/api"
-	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 	"github.com/stretchr/testify/mock"
 )
 
@@ -14,28 +13,28 @@ type MockAccountService struct {
 	mock.Mock
 }
 
-func (m *MockAccountService) CreateAccount(ctx context.Context) (*models.AccountResult, error) {
+func (m *MockAccountService) CreateAccount(ctx context.Context) (*api.OKResponse, error) {
 	args := m.Called()
-	return args.Get(0).(*models.AccountResult), args.Error(1)
-}
-
-func (m *MockAccountService) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResult, error) {
-	args := m.Called(publicKey)
-	return args.Get(0).(*models.BalanceResult), args.Error(1)
-}
-
-func (m *MockAccountService) TrackAccountStatus(ctx context.Context, trackingId string) (*api.OKResponse, error) {
-	args := m.Called(trackingId)
 	return args.Get(0).(*api.OKResponse), args.Error(1)
 }
 
-func (m *MockAccountService) CheckAccountStatus(ctx context.Context,publicKey string) (*models.TrackStatusResult, error) {
+func (m *MockAccountService) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResponse, error) {
 	args := m.Called(publicKey)
-	return args.Get(0).(*models.TrackStatusResult), args.Error(1)
+	return args.Get(0).(*models.BalanceResponse), args.Error(1)
+}
+
+func (m *MockAccountService) CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResponse, error) {
+	args := m.Called(trackingId)
+	return args.Get(0).(*models.TrackStatusResponse), args.Error(1)
+}
+
+func (m *MockAccountService) TrackAccountStatus(ctx context.Context,publicKey string) (*api.OKResponse, error) {
+	args := m.Called(publicKey)
+	return args.Get(0).(*api.OKResponse), args.Error(1)
 }
 
 
-func (m *MockAccountService) FetchVouchers(ctx context.Context, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+func (m *MockAccountService) FetchVouchers(ctx context.Context, publicKey string) (*models.VoucherHoldingResponse, error) {
 	args := m.Called(publicKey)
-	return args.Get(0).([]dataserviceapi.TokenHoldings), args.Error(1)
+	return args.Get(0).(*models.VoucherHoldingResponse), args.Error(1)
 }

internal/testutil/mocks/subprefixdbmock.go

@@ -1,21 +0,0 @@
-package mocks
-
-import (
-	"context"
-
-	"github.com/stretchr/testify/mock"
-)
-
-type MockSubPrefixDb struct {
-	mock.Mock
-}
-
-func (m *MockSubPrefixDb) Get(ctx context.Context, key []byte) ([]byte, error) {
-	args := m.Called(ctx, key)
-	return args.Get(0).([]byte), args.Error(1)
-}
-
-func (m *MockSubPrefixDb) Put(ctx context.Context, key, val []byte) error {
-	args := m.Called(ctx, key, val)
-	return args.Error(0)
-}

internal/testutil/testservice/TestAccountService.go

@@ -7,35 +7,59 @@ import (
 
 	"git.grassecon.net/urdt/ussd/internal/models"
 	"github.com/grassrootseconomics/eth-custodial/pkg/api"
-	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 )
 
 type TestAccountService struct {
 }
 
-func (tas *TestAccountService) CreateAccount(ctx context.Context) (*models.AccountResult, error) {
+func (tas *TestAccountService) CreateAccount(ctx context.Context) (*api.OKResponse, error) {
-	return &models.AccountResult {
+	return &api.OKResponse{
-		TrackingId: "075ccc86-f6ef-4d33-97d5-e91cfb37aa0d",
+		Ok:          true,
-		PublicKey: "0x623EFAFa8868df4B934dd12a8B26CB3Dd75A7AdD",
+		Description: "Account creation succeeded",
+		Result: map[string]any{
+			"trackingId": "075ccc86-f6ef-4d33-97d5-e91cfb37aa0d",
+			"publicKey":  "0x623EFAFa8868df4B934dd12a8B26CB3Dd75A7AdD",
+		},
 	}, nil
 }
 
-func (tas *TestAccountService) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResult, error) {
+func (tas *TestAccountService) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResponse, error) {
-	balanceResponse := &models.BalanceResult {
+	balanceResponse := &models.BalanceResponse{
-		Balance: "0.003 CELO",
+		Ok: true,
-		Nonce:   json.Number("0"),
+		Result: struct {
+			Balance string      `json:"balance"`
+			Nonce   json.Number `json:"nonce"`
+		}{
+			Balance: "0.003 CELO",
+			Nonce:   json.Number("0"),
+		},
 	}
+
 	return balanceResponse, nil
 }
 
-func (tas *TestAccountService) CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResult, error) {
+func (tas *TestAccountService) CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResponse, error) {
-	return &models.TrackStatusResult {
+	trackResponse := &models.TrackStatusResponse{
-		CreatedAt: time.Now(),
+		Ok: true,
-		Status: "SUCCESS",
+		Result: struct {
-		TransferValue: json.Number("0.5"),
+			Transaction struct {
-		TxHash: "0x123abc456def",
+				CreatedAt     time.Time   "json:\"createdAt\""
-		TxType: "transfer",
+				Status        string      "json:\"status\""
-	}, nil
+				TransferValue json.Number "json:\"transferValue\""
+				TxHash        string      "json:\"txHash\""
+				TxType        string      "json:\"txType\""
+			}
+		}{
+			Transaction: models.Transaction{
+				CreatedAt:     time.Now(),
+				Status:        "SUCCESS",
+				TransferValue: json.Number("0.5"),
+				TxHash:        "0x123abc456def",
+				TxType:        "transfer",
+			},
+		},
+	}
+	return trackResponse, nil
 }
 
 func (tas *TestAccountService) TrackAccountStatus(ctx context.Context, publicKey string) (*api.OKResponse, error) {
@@ -48,13 +72,30 @@ func (tas *TestAccountService) TrackAccountStatus(ctx context.Context, publicKey
 	}, nil
 }
 
-func (tas *TestAccountService) FetchVouchers(ctx context.Context, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
+func (tas *TestAccountService) FetchVouchers(ctx context.Context, publicKey string) (*models.VoucherHoldingResponse, error) {
-	return []dataserviceapi.TokenHoldings {
+	return &models.VoucherHoldingResponse{
-		dataserviceapi.TokenHoldings {
+		Ok: true,
-			ContractAddress: "0x6CC75A06ac72eB4Db2eE22F781F5D100d8ec03ee",
+		Result: struct {
-			TokenSymbol:     "SRF",
+			Holdings []struct {
-			TokenDecimals:   "6",
+				ContractAddress string `json:"contractAddress"`
-			Balance:         "2745987",
+				TokenSymbol     string `json:"tokenSymbol"`
+				TokenDecimals   string `json:"tokenDecimals"`
+				Balance         string `json:"balance"`
+			} `json:"holdings"`
+		}{
+			Holdings: []struct {
+				ContractAddress string `json:"contractAddress"`
+				TokenSymbol     string `json:"tokenSymbol"`
+				TokenDecimals   string `json:"tokenDecimals"`
+				Balance         string `json:"balance"`
+			}{
+				{
+					ContractAddress: "0x6CC75A06ac72eB4Db2eE22F781F5D100d8ec03ee",
+					TokenSymbol:     "SRF",
+					TokenDecimals:   "6",
+					Balance:         "2745987",
+				},
+			},
 		},
-	}, nil 
+	}, nil
 }

internal/utils/vouchers.go

@@ -1,180 +0,0 @@
-package utils
-
-import (
-	"context"
-	"fmt"
-	"strings"
-
-	"git.grassecon.net/urdt/ussd/internal/storage"
-	"git.grassecon.net/urdt/ussd/common"
-	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
-)
-
-// VoucherMetadata helps organize data fields
-type VoucherMetadata struct {
-	Symbols   string
-	Balances  string
-	Decimals  string
-	Addresses string
-}
-
-// ProcessVouchers converts holdings into formatted strings
-func ProcessVouchers(holdings []dataserviceapi.TokenHoldings) VoucherMetadata {
-	var data VoucherMetadata
-	var symbols, balances, decimals, addresses []string
-
-	for i, h := range holdings {
-		symbols = append(symbols, fmt.Sprintf("%d:%s", i+1, h.TokenSymbol))
-		balances = append(balances, fmt.Sprintf("%d:%s", i+1, h.Balance))
-		decimals = append(decimals, fmt.Sprintf("%d:%s", i+1, h.TokenDecimals))
-		addresses = append(addresses, fmt.Sprintf("%d:%s", i+1, h.ContractAddress))
-	}
-
-	data.Symbols = strings.Join(symbols, "\n")
-	data.Balances = strings.Join(balances, "\n")
-	data.Decimals = strings.Join(decimals, "\n")
-	data.Addresses = strings.Join(addresses, "\n")
-
-	return data
-}
-
-// GetVoucherData retrieves and matches voucher data
-func GetVoucherData(ctx context.Context, db storage.PrefixDb, input string) (*dataserviceapi.TokenHoldings, error) {
-	keys := []string{"sym", "bal", "deci", "addr"}
-	data := make(map[string]string)
-
-	for _, key := range keys {
-		value, err := db.Get(ctx, []byte(key))
-		if err != nil {
-			return nil, fmt.Errorf("failed to get %s: %v", key, err)
-		}
-		data[key] = string(value)
-	}
-
-	symbol, balance, decimal, address := MatchVoucher(input,
-		data["sym"],
-		data["bal"],
-		data["deci"],
-		data["addr"])
-
-	if symbol == "" {
-		return nil, nil
-	}
-
-	return &dataserviceapi.TokenHoldings{
-		TokenSymbol:     string(symbol),
-		Balance:         string(balance),
-		TokenDecimals:   string(decimal),
-		ContractAddress: string(address),
-	}, nil
-}
-
-// MatchVoucher finds the matching voucher symbol, balance, decimals and contract address based on the input.
-func MatchVoucher(input, symbols, balances, decimals, addresses string) (symbol, balance, decimal, address string) {
-	symList := strings.Split(symbols, "\n")
-	balList := strings.Split(balances, "\n")
-	decList := strings.Split(decimals, "\n")
-	addrList := strings.Split(addresses, "\n")
-
-	for i, sym := range symList {
-		parts := strings.SplitN(sym, ":", 2)
-		if len(parts) != 2 {
-			continue
-		}
-
-		if input == parts[0] || strings.EqualFold(input, parts[1]) {
-			symbol = parts[1]
-			if i < len(balList) {
-				balance = strings.SplitN(balList[i], ":", 2)[1]
-			}
-			if i < len(decList) {
-				decimal = strings.SplitN(decList[i], ":", 2)[1]
-			}
-			if i < len(addrList) {
-				address = strings.SplitN(addrList[i], ":", 2)[1]
-			}
-			break
-		}
-	}
-	return
-}
-
-// StoreTemporaryVoucher saves voucher metadata as temporary entries in the common.DataStore.
-func StoreTemporaryVoucher(ctx context.Context, store common.DataStore, sessionId string, data *dataserviceapi.TokenHoldings) error {
-	entries := map[common.DataTyp][]byte{
-		common.DATA_TEMPORARY_SYM:     []byte(data.TokenSymbol),
-		common.DATA_TEMPORARY_BAL:     []byte(data.Balance),
-		common.DATA_TEMPORARY_DECIMAL: []byte(data.TokenDecimals),
-		common.DATA_TEMPORARY_ADDRESS: []byte(data.ContractAddress),
-	}
-
-	for key, value := range entries {
-		if err := store.WriteEntry(ctx, sessionId, key, value); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// GetTemporaryVoucherData retrieves temporary voucher metadata from the common.DataStore.
-func GetTemporaryVoucherData(ctx context.Context, store common.DataStore, sessionId string) (*dataserviceapi.TokenHoldings, error) {
-	keys := []common.DataTyp{
-		common.DATA_TEMPORARY_SYM,
-		common.DATA_TEMPORARY_BAL,
-		common.DATA_TEMPORARY_DECIMAL,
-		common.DATA_TEMPORARY_ADDRESS,
-	}
-
-	data := &dataserviceapi.TokenHoldings{}
-	values := make([][]byte, len(keys))
-
-	for i, key := range keys {
-		value, err := store.ReadEntry(ctx, sessionId, key)
-		if err != nil {
-			return nil, err
-		}
-		values[i] = value
-	}
-
-	data.TokenSymbol = string(values[0])
-	data.Balance = string(values[1])
-	data.TokenDecimals = string(values[2])
-	data.ContractAddress = string(values[3])
-
-	return data, nil
-}
-
-// UpdateVoucherData sets the active voucher data and clears the temporary voucher data in the common.DataStore.
-func UpdateVoucherData(ctx context.Context, store common.DataStore, sessionId string, data *dataserviceapi.TokenHoldings) error {
-	// Active voucher data entries
-	activeEntries := map[common.DataTyp][]byte{
-		common.DATA_ACTIVE_SYM:     []byte(data.TokenSymbol),
-		common.DATA_ACTIVE_BAL:     []byte(data.Balance),
-		common.DATA_ACTIVE_DECIMAL: []byte(data.TokenDecimals),
-		common.DATA_ACTIVE_ADDRESS: []byte(data.ContractAddress),
-	}
-
-	// Clear temporary voucher data entries
-	tempEntries := map[common.DataTyp][]byte{
-		common.DATA_TEMPORARY_SYM:     []byte(""),
-		common.DATA_TEMPORARY_BAL:     []byte(""),
-		common.DATA_TEMPORARY_DECIMAL: []byte(""),
-		common.DATA_TEMPORARY_ADDRESS: []byte(""),
-	}
-
-	// Write active data
-	for key, value := range activeEntries {
-		if err := store.WriteEntry(ctx, sessionId, key, value); err != nil {
-			return err
-		}
-	}
-
-	// Clear temporary data
-	for key, value := range tempEntries {
-		if err := store.WriteEntry(ctx, sessionId, key, value); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}

internal/utils/vouchers_test.go

@@ -1,223 +0,0 @@
-package utils
-
-import (
-	"context"
-	"testing"
-
-	"github.com/alecthomas/assert/v2"
-	"github.com/stretchr/testify/require"
-
-	"git.grassecon.net/urdt/ussd/internal/storage"
-	"git.grassecon.net/urdt/ussd/common"
-	memdb "git.defalsify.org/vise.git/db/mem"
-	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
-)
-
-// InitializeTestDb sets up and returns an in-memory database and store.
-func InitializeTestDb(t *testing.T) (context.Context, *common.UserDataStore) {
-	ctx := context.Background()
-
-	// Initialize memDb
-	db := memdb.NewMemDb()
-	err := db.Connect(ctx, "")
-	require.NoError(t, err, "Failed to connect to memDb")
-
-	// Create common.UserDataStore with memDb
-	store := &common.UserDataStore{Db: db}
-
-	t.Cleanup(func() {
-		db.Close() // Ensure the DB is closed after each test
-	})
-
-	return ctx, store
-}
-
-// AssertEmptyValue checks if a value is empty/nil/zero
-func AssertEmptyValue(t *testing.T, value []byte, msgAndArgs ...interface{}) {
-	assert.Equal(t, len(value), 0, msgAndArgs...)
-}
-
-func TestMatchVoucher(t *testing.T) {
-	symbols := "1:SRF\n2:MILO"
-	balances := "1:100\n2:200"
-	decimals := "1:6\n2:4"
-	addresses := "1:0xd4c288865Ce\n2:0x41c188d63Qa"
-
-	// Test for valid voucher
-	symbol, balance, decimal, address := MatchVoucher("2", symbols, balances, decimals, addresses)
-
-	// Assertions for valid voucher
-	assert.Equal(t, "MILO", symbol)
-	assert.Equal(t, "200", balance)
-	assert.Equal(t, "4", decimal)
-	assert.Equal(t, "0x41c188d63Qa", address)
-
-	// Test for non-existent voucher
-	symbol, balance, decimal, address = MatchVoucher("3", symbols, balances, decimals, addresses)
-
-	// Assertions for non-match
-	assert.Equal(t, "", symbol)
-	assert.Equal(t, "", balance)
-	assert.Equal(t, "", decimal)
-	assert.Equal(t, "", address)
-}
-
-func TestProcessVouchers(t *testing.T) {
-	holdings := []dataserviceapi.TokenHoldings{
-		{ContractAddress: "0xd4c288865Ce", TokenSymbol: "SRF", TokenDecimals: "6", Balance: "100"},
-		{ContractAddress: "0x41c188d63Qa", TokenSymbol: "MILO", TokenDecimals: "4", Balance: "200"},
-	}
-
-	expectedResult := VoucherMetadata{
-		Symbols:   "1:SRF\n2:MILO",
-		Balances:  "1:100\n2:200",
-		Decimals:  "1:6\n2:4",
-		Addresses: "1:0xd4c288865Ce\n2:0x41c188d63Qa",
-	}
-
-	result := ProcessVouchers(holdings)
-
-	assert.Equal(t, expectedResult, result)
-}
-
-func TestGetVoucherData(t *testing.T) {
-	ctx := context.Background()
-
-	db := memdb.NewMemDb()
-	err := db.Connect(ctx, "")
-	if err != nil {
-		t.Fatal(err)
-	}
-	spdb := storage.NewSubPrefixDb(db, []byte("vouchers"))
-
-	// Test voucher data
-	mockData := map[string][]byte{
-		"sym":  []byte("1:SRF\n2:MILO"),
-		"bal":  []byte("1:100\n2:200"),
-		"deci": []byte("1:6\n2:4"),
-		"addr": []byte("1:0xd4c288865Ce\n2:0x41c188d63Qa"),
-	}
-
-	// Put the data
-	for key, value := range mockData {
-		err = spdb.Put(ctx, []byte(key), []byte(value))
-		if err != nil {
-			t.Fatal(err)
-		}
-	}
-
-	result, err := GetVoucherData(ctx, spdb, "1")
-
-	assert.NoError(t, err)
-	assert.Equal(t, "SRF", result.TokenSymbol)
-	assert.Equal(t, "100", result.Balance)
-	assert.Equal(t, "6", result.TokenDecimals)
-	assert.Equal(t, "0xd4c288865Ce", result.ContractAddress)
-}
-
-func TestStoreTemporaryVoucher(t *testing.T) {
-	ctx, store := InitializeTestDb(t)
-	sessionId := "session123"
-
-	// Test data
-	voucherData := &dataserviceapi.TokenHoldings{
-		TokenSymbol:     "SRF",
-		Balance:         "200",
-		TokenDecimals:   "6",
-		ContractAddress: "0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9",
-	}
-
-	// Execute the function being tested
-	err := StoreTemporaryVoucher(ctx, store, sessionId, voucherData)
-	require.NoError(t, err)
-
-	// Verify stored data
-	expectedEntries := map[common.DataTyp][]byte{
-		common.DATA_TEMPORARY_SYM:     []byte("SRF"),
-		common.DATA_TEMPORARY_BAL:     []byte("200"),
-		common.DATA_TEMPORARY_DECIMAL: []byte("6"),
-		common.DATA_TEMPORARY_ADDRESS: []byte("0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9"),
-	}
-
-	for key, expectedValue := range expectedEntries {
-		storedValue, err := store.ReadEntry(ctx, sessionId, key)
-		require.NoError(t, err)
-		require.Equal(t, expectedValue, storedValue, "Mismatch for key %v", key)
-	}
-}
-
-func TestGetTemporaryVoucherData(t *testing.T) {
-	ctx, store := InitializeTestDb(t)
-	sessionId := "session123"
-
-	// Test voucher data
-	tempData := &dataserviceapi.TokenHoldings{
-		TokenSymbol:     "SRF",
-		Balance:         "200",
-		TokenDecimals:   "6",
-		ContractAddress: "0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9",
-	}
-
-	// Store the data
-	err := StoreTemporaryVoucher(ctx, store, sessionId, tempData)
-	require.NoError(t, err)
-
-	// Execute the function being tested
-	data, err := GetTemporaryVoucherData(ctx, store, sessionId)
-	require.NoError(t, err)
-	require.Equal(t, tempData, data)
-}
-
-func TestUpdateVoucherData(t *testing.T) {
-	ctx, store := InitializeTestDb(t)
-	sessionId := "session123"
-
-	// New voucher data
-	newData := &dataserviceapi.TokenHoldings{
-		TokenSymbol:     "SRF",
-		Balance:         "200",
-		TokenDecimals:   "6",
-		ContractAddress: "0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9",
-	}
-
-	// Old temporary data
-	tempData := &dataserviceapi.TokenHoldings{
-		TokenSymbol:     "OLD",
-		Balance:         "100",
-		TokenDecimals:   "8",
-		ContractAddress: "0xold",
-	}
-	require.NoError(t, StoreTemporaryVoucher(ctx, store, sessionId, tempData))
-
-	// Execute update
-	err := UpdateVoucherData(ctx, store, sessionId, newData)
-	require.NoError(t, err)
-
-	// Verify active data was stored correctly
-	activeEntries := map[common.DataTyp][]byte{
-		common.DATA_ACTIVE_SYM:     []byte(newData.TokenSymbol),
-		common.DATA_ACTIVE_BAL:     []byte(newData.Balance),
-		common.DATA_ACTIVE_DECIMAL: []byte(newData.TokenDecimals),
-		common.DATA_ACTIVE_ADDRESS: []byte(newData.ContractAddress),
-	}
-
-	for key, expectedValue := range activeEntries {
-		storedValue, err := store.ReadEntry(ctx, sessionId, key)
-		require.NoError(t, err)
-		require.Equal(t, expectedValue, storedValue, "Active data mismatch for key %v", key)
-	}
-
-	// Verify temporary data was cleared
-	tempKeys := []common.DataTyp{
-		common.DATA_TEMPORARY_SYM,
-		common.DATA_TEMPORARY_BAL,
-		common.DATA_TEMPORARY_DECIMAL,
-		common.DATA_TEMPORARY_ADDRESS,
-	}
-
-	for _, key := range tempKeys {
-		storedValue, err := store.ReadEntry(ctx, sessionId, key)
-		require.NoError(t, err)
-		AssertEmptyValue(t, storedValue, "Temporary data not cleared for key %v", key)
-	}
-}

remote/accountservice.go

@@ -4,29 +4,27 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"io"
 	"net/http"
-	"net/url"
+	"os"
 
-	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
-	"github.com/grassrootseconomics/eth-custodial/pkg/api"
 	"git.grassecon.net/urdt/ussd/config"
 	"git.grassecon.net/urdt/ussd/internal/models"
+	"github.com/grassrootseconomics/eth-custodial/pkg/api"
 )
 
 var (
+	okResponse  api.OKResponse
+	errResponse api.ErrResponse
 )
 
 type AccountServiceInterface interface {
-	//CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResponse, error)
+	CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResponse, error)
-	CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResult, error)
+	CreateAccount(ctx context.Context) (*api.OKResponse, error)
-	CreateAccount(ctx context.Context) (*models.AccountResult, error)
+	CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResponse, error)
-	//CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResponse, error)
-	// TODO: poorly named method seems to be checking transaction
-	CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResult, error)
 	TrackAccountStatus(ctx context.Context, publicKey string) (*api.OKResponse, error)
-	FetchVouchers(ctx context.Context, publicKey string) ([]dataserviceapi.TokenHoldings, error)
+	FetchVouchers(ctx context.Context, publicKey string) (*models.VoucherHoldingResponse, error)
-	//FetchVouchers(ctx context.Context, publicKey string) (*api.OKResponse, error)
 }
 
 type AccountService struct {
@@ -41,38 +39,32 @@ type AccountService struct {
 //   - string: The status of the transaction as a string. If there is an error during the request or processing, this will be an empty string.
 //   - error: An error if any occurred during the HTTP request, reading the response, or unmarshalling the JSON data.
 //     If no error occurs, this will be nil
-func (as *AccountService) CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResult, error) {
+func (as *AccountService) CheckAccountStatus(ctx context.Context, trackingId string) (*models.TrackStatusResponse, error) {
-	var r models.TrackStatusResult
+	resp, err := http.Get(config.BalanceURL + trackingId)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
 
-	ep, err := url.JoinPath(config.TrackURL, trackingId)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
 
-	req, err := http.NewRequest("GET", ep, nil)
+	var trackResp models.TrackStatusResponse
+	err = json.Unmarshal(body, &trackResp)
 	if err != nil {
 		return nil, err
 	}
+	return &trackResp, nil
 
-	_, err =  doCustodialRequest(ctx, req, &r)
-	if err != nil {
-		return nil, err
-	}
-
-	return &r, nil
 }
 
 func (as *AccountService) TrackAccountStatus(ctx context.Context, publicKey string) (*api.OKResponse, error) {
-	var okResponse  api.OKResponse
-	var errResponse api.ErrResponse
 	var err error
-	
+	// Construct the URL with the path parameter
-	ep, err := url.JoinPath(config.TrackURL, publicKey)
+	url := fmt.Sprintf("%s/%s", config.TrackURL, publicKey)
-	if err != nil {
+	req, err := http.NewRequest("GET", url, nil)
-		return nil, err
-	}
-
-	req, err := http.NewRequest("GET", ep, nil)
 	if err != nil {
 		return nil, err
 	}
@@ -112,83 +104,41 @@ func (as *AccountService) TrackAccountStatus(ctx context.Context, publicKey stri
 // CheckBalance retrieves the balance for a given public key from the custodial balance API endpoint.
 // Parameters:
 //   - publicKey: The public key associated with the account whose balance needs to be checked.
-func (as *AccountService) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResult, error) {
+func (as *AccountService) CheckBalance(ctx context.Context, publicKey string) (*models.BalanceResponse, error) {
-	var balanceResult models.BalanceResult
+	resp, err := http.Get(config.BalanceURL + publicKey)
-
-	ep, err := url.JoinPath(config.BalanceURL,  publicKey)
 	if err != nil {
 		return nil, err
 	}
-
+	defer resp.Body.Close()
-	req, err := http.NewRequest("GET", ep, nil)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
-
+	var balanceResp models.BalanceResponse
-	_, err = doCustodialRequest(ctx, req, &balanceResult)
+	err = json.Unmarshal(body, &balanceResp)
-	return &balanceResult, err
+	if err != nil {
+		return nil, err
+	}
+	return &balanceResp, nil
 }
 
-
 // CreateAccount creates a new account in the custodial system.
 // Returns:
 //   - *models.AccountResponse: A pointer to an AccountResponse struct containing the details of the created account.
 //     If there is an error during the request or processing, this will be nil.
 //   - error: An error if any occurred during the HTTP request, reading the response, or unmarshalling the JSON data.
 //     If no error occurs, this will be nil.
-func (as *AccountService) CreateAccount(ctx context.Context) (*models.AccountResult, error) {
+func (as *AccountService) CreateAccount(ctx context.Context) (*api.OKResponse, error) {
-	var r models.AccountResult
+	var err error
+
 	// Create a new request
 	req, err := http.NewRequest("POST", config.CreateAccountURL, nil)
 	if err != nil {
 		return nil, err
 	}
-
-	_, err =  doCustodialRequest(ctx, req, &r)
-	if err != nil {
-		return nil, err
-	}
-
-	return &r, nil
-}
-
-// FetchVouchers retrieves the token holdings for a given public key from the custodial holdings API endpoint
-// Parameters:
-//   - publicKey: The public key associated with the account.
-func (as *AccountService) FetchVouchers(ctx context.Context, publicKey string) ([]dataserviceapi.TokenHoldings, error) {
-	var r []dataserviceapi.TokenHoldings
-
-	req, err := http.NewRequest("GET", config.VoucherHoldingsURL, nil)
-	if err != nil {
-		return nil, err
-	}
-
-	_, err =  doDataRequest(ctx, req, r)
-	if err != nil {
-		return nil, err
-	}
-
-	return r, nil
-
-//
-//	file, err := os.Open("sample_tokens.json")
-//	if err != nil {
-//		return nil, err
-//	}
-//	defer file.Close()
-//	var holdings models.VoucherHoldingResponse
-//
-//	if err := json.NewDecoder(file).Decode(&holdings); err != nil {
-//		return nil, err
-//	}
-//	return &holdings, nil
-}
-
-func doRequest(ctx context.Context, req *http.Request, rcpt any) (*api.OKResponse, error) {
-	var okResponse  api.OKResponse
-	var errResponse api.ErrResponse
-
 	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("X-GE-KEY", "xd")
+
 	resp, err := http.DefaultClient.Do(req)
 	if err != nil {
 		errResponse.Description = err.Error()
@@ -215,22 +165,21 @@ func doRequest(ctx context.Context, req *http.Request, rcpt any) (*api.OKRespons
 		return nil, errors.New("Empty api result")
 	}
 	return &okResponse, nil
+}
 
-	v, err := json.Marshal(okResponse.Result)
+// FetchVouchers retrieves the token holdings for a given public key from the custodial holdings API endpoint
+// Parameters:
+//   - publicKey: The public key associated with the account.
+func (as *AccountService) FetchVouchers(ctx context.Context, publicKey string) (*models.VoucherHoldingResponse, error) {
+	file, err := os.Open("sample_tokens.json")
 	if err != nil {
 		return nil, err
 	}
+	defer file.Close()
+	var holdings models.VoucherHoldingResponse
 
-	err = json.Unmarshal(v, &rcpt)
+	if err := json.NewDecoder(file).Decode(&holdings); err != nil {
-	return &okResponse, err
+		return nil, err
-}
+	}
-
+	return &holdings, nil
-func doCustodialRequest(ctx context.Context, req *http.Request, rcpt any) (*api.OKResponse, error) {
-	req.Header.Set("X-GE-KEY", config.CustodialAPIKey)
-	return doRequest(ctx, req, rcpt)
-}
-
-func doDataRequest(ctx context.Context, req *http.Request, rcpt any) (*api.OKResponse, error) {
-	req.Header.Set("X-GE-KEY", config.DataAPIKey)
-	return doRequest(ctx, req, rcpt)
 }