update the struct of the query parameter in the custom request method

tonapi.go

@@ -67,7 +67,7 @@ func (c *Client) GetAccountState(ctx context.Context, accountID tongo.AccountID)
 
 // Request sends an HTTP request with the given method, URL, parameters, and data,
 // and returns the response as a json.RawMessage.
-func (c *Client) Request(ctx context.Context, method, endpoint string, query map[string]string, data []byte) (json.RawMessage, error) {
+func (c *Client) Request(ctx context.Context, method, endpoint string, query map[string][]string, data []byte) (json.RawMessage, error) {
 	const contentType = "application/json"
 
 	// Start measuring the request duration
@@ -84,8 +84,10 @@ func (c *Client) Request(ctx context.Context, method, endpoint string, query map
 	// Add query parameters to the URL if any
 	if query != nil {
 		q := u.Query()
-		for key, value := range query {
-			q.Set(key, value)
+		for key, values := range query {
+			for _, value := range values {
+				q.Add(key, value)
+			}
 		}
 		u.RawQuery = q.Encode()
 	}

tonapi_test.go

@@ -24,7 +24,7 @@ func TestCustomRequest(t *testing.T) {
 		name   string
 		method string
 		path   string
-		query  map[string]string
+		query  map[string][]string
 		err    error
 	}{
 		{
@@ -55,7 +55,14 @@ func TestCustomRequest(t *testing.T) {
 			name:   "ok to get collections",
 			method: http.MethodGet,
 			path:   "v2/nfts/collections",
-			query:  map[string]string{"limit": "10"},
+			query:  map[string][]string{"limit": {"10"}},
+			err:    nil,
+		},
+		{
+			name:   "ok to exec get method",
+			method: http.MethodGet,
+			path:   "v2/blockchain/accounts/EQCxE6mUtQJKFnGfaROTKOt1lZbDiiX1kCixRv7Nw2Id_sDs/methods/get_wallet_address",
+			query:  map[string][]string{"args": {"UQDNzlh0XSZdb5_Qrlx5QjyZHVAO74v5oMeVVrtF_5Vt1rIt", "UQBVXzBT4lcTA3S7gxrg4hnl5fnsDKj4oNEzNp09aQxkwmCa"}},
 			err:    nil,
 		},
 	}