update code after review

pkg/api/interfaces.go

@@ -65,7 +65,7 @@ type storage interface {
 
 	GetJettonWalletsByOwnerAddress(ctx context.Context, address tongo.AccountID) ([]core.JettonWallet, error)
 	GetJettonsHoldersCount(ctx context.Context, accountIDs []tongo.AccountID) (map[tongo.AccountID]int32, error)
-	GetJettonHolders(ctx context.Context, jettonMaster tongo.AccountID) (map[tongo.AccountID]string, error)
+	GetJettonHolders(ctx context.Context, jettonMaster tongo.AccountID) ([]core.JettonHolder, error)
 	GetJettonMasterMetadata(ctx context.Context, master tongo.AccountID) (tongo.JettonMetadata, error)
 	GetJettonMasterData(ctx context.Context, master tongo.AccountID) (abi.GetJettonDataResult, error)
 	GetAccountJettonsHistory(ctx context.Context, address tongo.AccountID, limit int, beforeLT *int64, startTime *int64, endTime *int64) ([]tongo.Bits256, error)

pkg/api/jetton_handlers.go

@@ -5,8 +5,6 @@ import (
 	"errors"
 	"math/big"
 	"net/http"
-	"sort"
-	"strconv"
 
 	"github.com/tonkeeper/tongo"
 	"github.com/tonkeeper/tongo/liteapi"
@@ -175,27 +173,16 @@ func (h Handler) GetJettonHolders(ctx context.Context, params oas.GetJettonHolde
 	if err != nil {
 		return nil, toError(http.StatusBadRequest, err)
 	}
-	accounts, err := h.storage.GetJettonHolders(ctx, accountID)
+	holders, err := h.storage.GetJettonHolders(ctx, accountID)
 	if err != nil {
 		return nil, toError(http.StatusInternalServerError, err)
 	}
 	var results oas.JettonHolders
-	for account, balance := range accounts {
+	for _, holder := range holders {
 		results.Addresses = append(results.Addresses, oas.JettonHoldersAddressesItem{
-			Address: account.ToRaw(),
-			Balance: balance,
+			Address: holder.Address.ToRaw(),
+			Balance: holder.Balance.String(),
 		})
 	}
-	sort.Slice(results.Addresses, func(i, j int) bool {
-		firstBalance, err := strconv.ParseInt(results.Addresses[i].Balance, 10, 64)
-		if err != nil {
-			return false
-		}
-		secondBalance, err := strconv.ParseInt(results.Addresses[j].Balance, 10, 64)
-		if err != nil {
-			return false
-		}
-		return firstBalance > secondBalance
-	})
 	return &results, nil
 }

pkg/core/jetton.go

@@ -17,6 +17,12 @@ type JettonWallet struct {
 	Code          []byte
 }
 
+type JettonHolder struct {
+	JettonAddress tongo.AccountID
+	Address       tongo.AccountID
+	Balance       decimal.Decimal
+}
+
 type JettonMaster struct {
 	// Address of a jetton master.
 	Address     tongo.AccountID