get the vouchers list and store in gdbm

internal/handlers/server/accountservice.go

@@ -13,14 +13,12 @@ type AccountServiceInterface interface {
 	CheckBalance(publicKey string) (string, error)
 	CreateAccount() (*models.AccountResponse, error)
 	CheckAccountStatus(trackingId string) (string, error)
-	FetchVouchersFromAPI() ([]models.VoucherHolding, error)
+	FetchVouchers(publicKey string) (*models.VoucherHoldingResponse, error)
 }
 
 type AccountService struct {
 }
 
-
-
 // CheckAccountStatus retrieves the status of an account transaction based on the provided tracking ID.
 //
 // Parameters:
@@ -28,12 +26,10 @@ type AccountService struct {
 //     CreateAccount or a similar function that returns an AccountResponse. The `trackingId` field in the
 //     AccountResponse struct can be used here to check the account status during a transaction.
 //
-//
 // Returns:
 //   - 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(trackingId string) (string, error) {
 	resp, err := http.Get(config.TrackStatusURL + trackingId)
 	if err != nil {
@@ -57,7 +53,6 @@ func (as *AccountService) CheckAccountStatus(trackingId string) (string, error)
 	return status, nil
 }
 
-
 // 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.
@@ -84,8 +79,7 @@ func (as *AccountService) CheckBalance(publicKey string) (string, error) {
 	return balance, nil
 }
 
-
-//CreateAccount creates a new account in the custodial system.
+// 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.
@@ -112,30 +106,86 @@ func (as *AccountService) CreateAccount() (*models.AccountResponse, error) {
 	return &accountResp, nil
 }
 
-// fetchVouchersFromAPI calls the API to get the list of vouchers belonging to the user
-func  (as *AccountService) FetchVouchersFromAPI() ([]models.VoucherHolding, error) {
+// 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(publicKey string) (*models.VoucherHoldingResponse, error) {
 	// TODO replace with the actual request once ready
-	mockJSON := `[
-		{
-			"symbol": "MUMO",
-			"address": "0x078b3a26596218507781722A4e8825BFB9570Fba"
-		},
-		{
-			"symbol": "SRF",
-			"address": "0x45d747172e77d55575c197CbA9451bC2CD8F4958"
-		},
-		{
-			"symbol": "HALGAN",
-			"address": "0x12169Fb5931A599ad1283bb8311Dad54Feb51A28"
+	mockJSON := `{
+	"ok": true,
+	"description": "Token holdings with current balances",
+		"result": {
+			"holdings": [
+				{
+					"contractAddress": "0x6CC75A06ac72eB4Db2eE22F781F5D100d8ec03ee",
+					"tokenSymbol": "FSPTST",
+					"tokenDecimals": "6",
+					"balance": "8869964242"
+				},
+				{
+					"contractAddress": "0x724F2910D790B54A39a7638282a45B1D83564fFA",
+					"tokenSymbol": "GEO",
+					"tokenDecimals": "6",
+					"balance": "9884"
+				},
+				{
+					"contractAddress": "0x2105a206B7bec31E2F90acF7385cc8F7F5f9D273",
+					"tokenSymbol": "MFNK",
+					"tokenDecimals": "6",
+					"balance": "19788697"
+				},
+				{
+					"contractAddress": "0x63DE2Ac8D1008351Cc69Fb8aCb94Ba47728a7E83",
+					"tokenSymbol": "MILO",
+					"tokenDecimals": "6",
+					"balance": "75"
+				},
+				{
+					"contractAddress": "0xd4c288865Ce0985a481Eef3be02443dF5E2e4Ea9",
+					"tokenSymbol": "SOHAIL",
+					"tokenDecimals": "6",
+					"balance": "27874115"
+				},
+				{
+					"contractAddress": "0x45d747172e77d55575c197CbA9451bC2CD8F4958",
+					"tokenSymbol": "SRQIF",
+					"tokenDecimals": "6",
+					"balance": "2745987"
+				},
+				{
+					"contractAddress": "0x45d747172e77d55575c197CbA9451bC2CD8F4958",
+					"tokenSymbol": "SRFI",
+					"tokenDecimals": "6",
+					"balance": "2745987"
+				},
+				{
+					"contractAddress": "0x45d747172e77d55575c197CbA9451bC2CD8F4958",
+					"tokenSymbol": "SRFU",
+					"tokenDecimals": "6",
+					"balance": "2745987"
+				},
+				{
+					"contractAddress": "0x45d747172e77d55575c197CbA9451bC2CD8F4958",
+					"tokenSymbol": "SRQF",
+					"tokenDecimals": "6",
+					"balance": "2745987"
+				},
+				{
+					"contractAddress": "0x45d747172e77d55575c197CbA9451bC2CD8F4958",
+					"tokenSymbol": "SREF",
+					"tokenDecimals": "6",
+					"balance": "2745987"
+				}
+			]
 		}
-	]`
+	}`
 
 	// Unmarshal the JSON response
-	var holdings []models.VoucherHolding
+	var holdings models.VoucherHoldingResponse
 	err := json.Unmarshal([]byte(mockJSON), &holdings)
 	if err != nil {
 		return nil, err
 	}
 
-	return holdings, nil
+	return &holdings, nil
 }