internal/handlers/ussd/menuhandler.go

@@ -72,7 +72,6 @@ type Handlers struct {
 	userdataStore  utils.DataStore
 	flagManager    *asm.FlagParser
 	accountService server.AccountServiceInterface
-	prefixDb       storage.PrefixDb
 }
 
 func NewHandlers(appFlags *asm.FlagParser, userdataStore db.Db, accountService server.AccountServiceInterface) (*Handlers, error) {
@@ -82,14 +81,10 @@ func NewHandlers(appFlags *asm.FlagParser, userdataStore db.Db, accountService s
 	userDb := &utils.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
 }
@@ -1107,6 +1102,7 @@ func (h *Handlers) CheckVouchers(ctx context.Context, sym string, input []byte)
 		return res, nil
 	}
 
+	prefixdb := storage.NewSubPrefixDb(store, []byte("vouchers"))
 	data := processVouchers(vouchersResp.Result.Holdings)
 
 	// Store all voucher data
@@ -1118,7 +1114,7 @@ func (h *Handlers) CheckVouchers(ctx context.Context, sym string, input []byte)
 	}
 
 	for key, value := range dataMap {
-		if err := h.prefixDb.Put(ctx, []byte(key), []byte(value)); err != nil {
+		if err := prefixdb.Put(ctx, []byte(key), []byte(value)); err != nil {
 			return res, nil
 		}
 	}
@@ -1156,9 +1152,12 @@ func (h *Handlers) GetVoucherList(ctx context.Context, sym string, input []byte)
 	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)
@@ -1169,6 +1168,8 @@ 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")
@@ -1182,8 +1183,10 @@ func (h *Handlers) ViewVoucher(ctx context.Context, sym string, input []byte) (r
 		return res, nil
 	}
 
-	// Retrieve the voucher metadata using the PrefixDb interface
+	prefixdb := storage.NewSubPrefixDb(store, []byte("vouchers"))
-	metadata, err := getVoucherData(ctx, h.prefixDb, inputStr)
+
+	// Retrieve the voucher metadata
+	metadata, err := getVoucherData(ctx, prefixdb, inputStr)
 	if err != nil {
 		return res, fmt.Errorf("failed to retrieve voucher data: %v", err)
 	}
@@ -1204,7 +1207,7 @@ func (h *Handlers) ViewVoucher(ctx context.Context, sym string, input []byte) (r
 }
 
 // getVoucherData retrieves and matches voucher data
-func getVoucherData(ctx context.Context, db storage.PrefixDb, input string) (*VoucherMetadata, error) {
+func getVoucherData(ctx context.Context, db *storage.SubPrefixDb, input string) (*VoucherMetadata, error) {
 	keys := []string{"sym", "bal", "deci", "addr"}
 	data := make(map[string]string)
 

internal/handlers/ussd/menuhandler_test.go

@@ -1810,6 +1810,67 @@ func TestConfirmPin(t *testing.T) {
 	}
 }
 
+func TestSetVoucher(t *testing.T) {
+	mockDataStore := new(mocks.MockUserDataStore)
+
+	sessionId := "session123"
+	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
+
+	// Define the temporary voucher data
+	temporarySym := []byte("tempSym")
+	temporaryBal := []byte("tempBal")
+	temporaryDecimal := []byte("2")
+	temporaryAddress := []byte("0x123456")
+
+	// Define the expected active entries
+	activeEntries := map[utils.DataTyp][]byte{
+		utils.DATA_ACTIVE_SYM:     temporarySym,
+		utils.DATA_ACTIVE_BAL:     temporaryBal,
+		utils.DATA_ACTIVE_DECIMAL: temporaryDecimal,
+		utils.DATA_ACTIVE_ADDRESS: temporaryAddress,
+	}
+
+	// Define the temporary entries to be cleared
+	tempEntries := map[utils.DataTyp][]byte{
+		utils.DATA_TEMPORARY_SYM:     []byte(""),
+		utils.DATA_TEMPORARY_BAL:     []byte(""),
+		utils.DATA_TEMPORARY_DECIMAL: []byte(""),
+		utils.DATA_TEMPORARY_ADDRESS: []byte(""),
+	}
+
+	// Mocking ReadEntry calls for temporary data retrieval
+	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_SYM).Return(temporarySym, nil)
+	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_BAL).Return(temporaryBal, nil)
+	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_DECIMAL).Return(temporaryDecimal, nil)
+	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_ADDRESS).Return(temporaryAddress, 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,
+	}
+
+	// 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 {
@@ -1891,456 +1952,3 @@ 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   *models.VoucherHoldingResponse
-		expectedResult resource.Result
-	}{
-		{
-			name: "Test set default voucher when no active voucher exists",
-			vouchersResp: &models.VoucherHoldingResponse{
-				Ok:          true,
-				Description: "Vouchers fetched successfully",
-				Result: struct {
-					Holdings []struct {
-						ContractAddress string `json:"contractAddress"`
-						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: "0x123",
-							TokenSymbol:     "TOKEN1",
-							TokenDecimals:   "18",
-							Balance:         "100",
-						},
-					},
-				},
-			},
-			expectedResult: resource.Result{},
-		},
-		{
-			name: "Test no vouchers available",
-			vouchersResp: &models.VoucherHoldingResponse{
-				Ok:          true,
-				Description: "No vouchers available",
-				Result: struct {
-					Holdings []struct {
-						ContractAddress string `json:"contractAddress"`
-						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"`
-					}{},
-				},
-			},
-			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, utils.DATA_ACTIVE_SYM).Return([]byte(""), notFoundErr)
-			mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_PUBLIC_KEY).Return([]byte(publicKey), nil)
-
-			mockAccountService.On("FetchVouchers", string(publicKey)).Return(tt.vouchersResp, nil)
-
-			if len(tt.vouchersResp.Result.Holdings) > 0 {
-				firstVoucher := tt.vouchersResp.Result.Holdings[0]
-				mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_ACTIVE_SYM, []byte(firstVoucher.TokenSymbol)).Return(nil)
-				mockDataStore.On("WriteEntry", ctx, sessionId, utils.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, utils.DATA_PUBLIC_KEY).Return([]byte(publicKey), nil)
-
-	mockVouchersResponse := &models.VoucherHoldingResponse{}
-	mockVouchersResponse.Result.Holdings = []struct {
-		ContractAddress string `json:"contractAddress"`
-		TokenSymbol     string `json:"tokenSymbol"`
-		TokenDecimals   string `json:"tokenDecimals"`
-		Balance         string `json:"balance"`
-	}{
-		{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 TestProcessVouchers(t *testing.T) {
-	holdings := []struct {
-		ContractAddress string `json:"contractAddress"`
-		TokenSymbol     string `json:"tokenSymbol"`
-		TokenDecimals   string `json:"tokenDecimals"`
-		Balance         string `json:"balance"`
-	}{
-		{ContractAddress: "0xd4c288865Ce", TokenSymbol: "SRF", TokenDecimals: "6", Balance: "100"},
-		{ContractAddress: "0x41c188d63Qa", TokenSymbol: "MILO", TokenDecimals: "4", Balance: "200"},
-	}
-
-	expectedResult := VoucherMetadata{
-		Symbol:  "1:SRF\n2:MILO",
-		Balance: "1:100\n2:200",
-		Decimal: "1:6\n2:4",
-		Address: "1:0xd4c288865Ce\n2:0x41c188d63Qa",
-	}
-
-	result := processVouchers(holdings)
-
-	assert.Equal(t, expectedResult, result)
-}
-
-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[utils.DataTyp]string{
-		utils.DATA_TEMPORARY_SYM:     "SRF",
-		utils.DATA_TEMPORARY_BAL:     "100",
-		utils.DATA_TEMPORARY_DECIMAL: "6",
-		utils.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 TestGetVoucherData(t *testing.T) {
-	mockSubPrefixDb := new(mocks.MockSubPrefixDb)
-	ctx := context.Background()
-
-	// Mocked 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"),
-	}
-
-	// Mock Get calls
-	for key, value := range mockData {
-		mockSubPrefixDb.On("Get", ctx, []byte(key)).Return(value, nil)
-	}
-
-	result, err := getVoucherData(ctx, mockSubPrefixDb, "1")
-
-	assert.NoError(t, err)
-	assert.Equal(t, "SRF", result.Symbol)
-	assert.Equal(t, "100", result.Balance)
-	assert.Equal(t, "6", result.Decimal)
-	assert.Equal(t, "0xd4c288865Ce", result.Address)
-
-	mockSubPrefixDb.AssertExpectations(t)
-}
-
-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 TestStoreTemporaryVoucher(t *testing.T) {
-	mockDataStore := new(mocks.MockUserDataStore)
-	ctx := context.Background()
-	sessionId := "session123"
-
-	voucherData := &VoucherMetadata{
-		Symbol:  "SRF",
-		Balance: "200",
-		Decimal: "6",
-		Address: "0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9",
-	}
-
-	// Define expected entries to be written
-	expectedEntries := map[utils.DataTyp][]byte{
-		utils.DATA_TEMPORARY_SYM:     []byte("SRF"),
-		utils.DATA_TEMPORARY_BAL:     []byte("200"),
-		utils.DATA_TEMPORARY_DECIMAL: []byte("6"),
-		utils.DATA_TEMPORARY_ADDRESS: []byte("0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9"),
-	}
-
-	// Mock WriteEntry calls
-	for key, value := range expectedEntries {
-		mockDataStore.On("WriteEntry", ctx, sessionId, key, value).Return(nil)
-	}
-
-	h := &Handlers{userdataStore: mockDataStore}
-
-	err := h.storeTemporaryVoucher(ctx, sessionId, voucherData)
-
-	assert.NoError(t, err)
-	mockDataStore.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 := &VoucherMetadata{
-		Symbol:  "SRF",
-		Balance: "200",
-		Decimal: "6",
-		Address: "0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9",
-	}
-
-	// Define the expected active entries
-	activeEntries := map[utils.DataTyp][]byte{
-		utils.DATA_ACTIVE_SYM:     []byte(tempData.Symbol),
-		utils.DATA_ACTIVE_BAL:     []byte(tempData.Balance),
-		utils.DATA_ACTIVE_DECIMAL: []byte(tempData.Decimal),
-		utils.DATA_ACTIVE_ADDRESS: []byte(tempData.Address),
-	}
-
-	// Define the temporary entries to be cleared
-	tempEntries := map[utils.DataTyp][]byte{
-		utils.DATA_TEMPORARY_SYM:     []byte(""),
-		utils.DATA_TEMPORARY_BAL:     []byte(""),
-		utils.DATA_TEMPORARY_DECIMAL: []byte(""),
-		utils.DATA_TEMPORARY_ADDRESS: []byte(""),
-	}
-
-	// Mocking ReadEntry calls for temporary data retrieval
-	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_SYM).Return([]byte(tempData.Symbol), nil)
-	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_BAL).Return([]byte(tempData.Balance), nil)
-	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_DECIMAL).Return([]byte(tempData.Decimal), nil)
-	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_ADDRESS).Return([]byte(tempData.Address), 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.Symbol), res.Content)
-
-	mockDataStore.AssertExpectations(t)
-}
-
-func TestGetTemporaryVoucherData(t *testing.T) {
-	mockDataStore := new(mocks.MockUserDataStore)
-	sessionId := "session123"
-	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
-
-	h := &Handlers{userdataStore: mockDataStore}
-
-	// Mock temporary voucher data
-	tempData := &VoucherMetadata{
-		Symbol:  "SRF",
-		Balance: "100",
-		Decimal: "6",
-		Address: "0xd4c288865Ce",
-	}
-
-	// Set up mocks for reading entries
-	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_SYM).Return([]byte(tempData.Symbol), nil)
-	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_BAL).Return([]byte(tempData.Balance), nil)
-	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_DECIMAL).Return([]byte(tempData.Decimal), nil)
-	mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_ADDRESS).Return([]byte(tempData.Address), nil)
-
-	data, err := h.getTemporaryVoucherData(ctx, sessionId)
-	assert.NoError(t, err)
-	assert.Equal(t, tempData, data)
-
-	mockDataStore.AssertExpectations(t)
-}
-
-func TestUpdateVoucherData(t *testing.T) {
-	mockDataStore := new(mocks.MockUserDataStore)
-	ctx := context.Background()
-	sessionId := "session123"
-
-	h := &Handlers{userdataStore: mockDataStore}
-
-	data := &VoucherMetadata{
-		Symbol:  "SRF",
-		Balance: "100",
-		Decimal: "6",
-		Address: "0xd4c288865Ce",
-	}
-
-	// Mock WriteEntry for active data
-	mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_ACTIVE_SYM, []byte(data.Symbol)).Return(nil)
-	mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_ACTIVE_BAL, []byte(data.Balance)).Return(nil)
-	mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_ACTIVE_DECIMAL, []byte(data.Decimal)).Return(nil)
-	mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_ACTIVE_ADDRESS, []byte(data.Address)).Return(nil)
-
-	// Mock WriteEntry for clearing temporary data
-	mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_TEMPORARY_SYM, []byte("")).Return(nil)
-	mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_TEMPORARY_BAL, []byte("")).Return(nil)
-	mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_TEMPORARY_DECIMAL, []byte("")).Return(nil)
-	mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_TEMPORARY_ADDRESS, []byte("")).Return(nil)
-
-	err := h.updateVoucherData(ctx, sessionId, data)
-	assert.NoError(t, err)
-
-	mockDataStore.AssertExpectations(t)
-}

internal/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/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 {