read token list from json file

internal/handlers/server/accountservice.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"io"
 	"net/http"
+	"os"
 
 	"git.grassecon.net/urdt/ussd/config"
 	"git.grassecon.net/urdt/ussd/internal/models"
@@ -110,46 +111,16 @@ func (as *AccountService) CreateAccount() (*models.AccountResponse, error) {
 // 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 := `{
-	"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"
-				}
-			]
-		}
-	}`
-
-	// Unmarshal the JSON response
-	var holdings models.VoucherHoldingResponse
-	err := json.Unmarshal([]byte(mockJSON), &holdings)
+	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
 }
+

internal/models/tokenresponse.go

@@ -0,0 +1,18 @@
+package models
+
+type ApiResponse struct {
+	OK          bool   `json:"ok"`
+	Description string `json:"description"`
+	Result      Result `json:"result"`
+}
+
+type Result struct {
+	Holdings []Holding `json:"holdings"`
+}
+
+type Holding struct {
+	ContractAddress string `json:"contractAddress"`
+	TokenSymbol     string `json:"tokenSymbol"`
+	TokenDecimals   string `json:"tokenDecimals"`
+	Balance         string `json:"balance"`
+}

sample_tokens.json

@@ -0,0 +1,44 @@
+{
+    "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": "SRF",
+          "tokenDecimals": "6",
+          "balance": "2745987"
+        }
+      ]
+    }
+  }