feat: support TON and USDT Jetton payments

- add TON chain, token, RPC, address normalization, and order matching support
- add liteclient scanner with masterchain/shard catch-up and Jetton validation
- add TON manual payment verification and focused tests

src/model/service/manual_payment_verify.go

@@ -16,6 +16,7 @@ import (
 	tron "github.com/GMWalletApp/epusdt/crypto"
 	"github.com/GMWalletApp/epusdt/model/data"
 	"github.com/GMWalletApp/epusdt/model/mdb"
+	addressutil "github.com/GMWalletApp/epusdt/util/address"
 	"github.com/GMWalletApp/epusdt/util/constant"
 	"github.com/GMWalletApp/epusdt/util/math"
 	"github.com/ethereum/go-ethereum/common"
@@ -23,6 +24,10 @@ import (
 	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/shopspring/decimal"
 	"github.com/tidwall/gjson"
+	"github.com/xssnick/tonutils-go/address"
+	"github.com/xssnick/tonutils-go/tlb"
+	"github.com/xssnick/tonutils-go/ton"
+	"github.com/xssnick/tonutils-go/ton/jetton"
 )
 
 const manualVerifyRequestTimeout = 15 * time.Second
@@ -82,6 +87,8 @@ func validateManualOrderPaymentDefault(order *mdb.Orders, blockTransactionID str
 		canonicalTxID, err = validateManualTronPayment(order, txID)
 	case mdb.NetworkSolana:
 		canonicalTxID, err = validateManualSolanaPayment(order, txID)
+	case mdb.NetworkTon:
+		canonicalTxID, err = validateManualTonPayment(order, txID)
 	case mdb.NetworkEthereum, mdb.NetworkBsc, mdb.NetworkPolygon, mdb.NetworkPlasma:
 		canonicalTxID, err = validateManualEvmPayment(order, txID)
 	default:
@@ -636,6 +643,245 @@ func tronPostJSON(baseURL, apiKey, path string, body interface{}, out interface{
 	return json.Unmarshal(raw, out)
 }
 
+type manualTonTxRef struct {
+	ReceiveRaw string
+	LT         uint64
+	HashHex    string
+	HasLT      bool
+}
+
+func validateManualTonPayment(order *mdb.Orders, txID string) (string, error) {
+	ref, err := parseManualTonTxRef(txID)
+	if err != nil {
+		return "", err
+	}
+	orderAddr, err := addressutil.ParseTonMainnetAddress(order.ReceiveAddress)
+	if err != nil {
+		return "", fmt.Errorf("invalid order receive address: %w", err)
+	}
+	if ref.ReceiveRaw != "" && ref.ReceiveRaw != orderAddr.Raw {
+		return "", fmt.Errorf("transaction recipient mismatch")
+	}
+
+	nodes, err := data.ListManualPaymentRpcCandidates(mdb.NetworkTon, mdb.RpcNodeTypeLite)
+	if err != nil {
+		return "", err
+	}
+	if len(nodes) == 0 {
+		return "", fmt.Errorf("no enabled %s %s RPC node configured in rpc_nodes", mdb.NetworkTon, mdb.RpcNodeTypeLite)
+	}
+
+	var verifyErrors []string
+	for _, node := range nodes {
+		api, closeFn, err := dialManualTonClient(node)
+		if err != nil {
+			verifyErrors = append(verifyErrors, fmt.Sprintf("%s: connect: %v", manualRpcNodeLabel(node), err))
+			continue
+		}
+		canonicalID, err := validateManualTonPaymentWithAPI(context.Background(), api, order, orderAddr.Address, ref)
+		closeFn()
+		if err != nil {
+			verifyErrors = append(verifyErrors, fmt.Sprintf("%s: %v", manualRpcNodeLabel(node), err))
+			continue
+		}
+		return canonicalID, nil
+	}
+	if len(verifyErrors) > 0 {
+		return "", fmt.Errorf("manual TON verification failed: %s", strings.Join(verifyErrors, "; "))
+	}
+	return "", fmt.Errorf("no enabled %s %s RPC node configured in rpc_nodes", mdb.NetworkTon, mdb.RpcNodeTypeLite)
+}
+
+func parseManualTonTxRef(input string) (manualTonTxRef, error) {
+	raw := strings.TrimSpace(input)
+	if raw == "" {
+		return manualTonTxRef{}, fmt.Errorf("block_transaction_id is required")
+	}
+	if strings.HasPrefix(strings.ToLower(raw), "ton:") {
+		body := raw[4:]
+		last := strings.LastIndex(body, ":")
+		if last <= 0 || last == len(body)-1 {
+			return manualTonTxRef{}, fmt.Errorf("invalid ton canonical transaction id")
+		}
+		hashHex, err := normalizeTonTxHashHex(body[last+1:])
+		if err != nil {
+			return manualTonTxRef{}, err
+		}
+		left := body[:last]
+		mid := strings.LastIndex(left, ":")
+		if mid <= 0 || mid == len(left)-1 {
+			return manualTonTxRef{}, fmt.Errorf("invalid ton canonical transaction id")
+		}
+		lt, err := parseUint64Strict(left[mid+1:])
+		if err != nil {
+			return manualTonTxRef{}, fmt.Errorf("invalid ton transaction lt")
+		}
+		receiveRaw, err := addressutil.TonRawAddressKey(left[:mid])
+		if err != nil {
+			return manualTonTxRef{}, fmt.Errorf("invalid ton canonical recipient: %w", err)
+		}
+		return manualTonTxRef{ReceiveRaw: receiveRaw, LT: lt, HashHex: hashHex, HasLT: true}, nil
+	}
+	if idx := strings.Index(raw, ":"); idx > 0 {
+		lt, err := parseUint64Strict(raw[:idx])
+		if err != nil {
+			return manualTonTxRef{}, fmt.Errorf("invalid ton transaction lt")
+		}
+		hashHex, err := normalizeTonTxHashHex(raw[idx+1:])
+		if err != nil {
+			return manualTonTxRef{}, err
+		}
+		return manualTonTxRef{LT: lt, HashHex: hashHex, HasLT: true}, nil
+	}
+	hashHex, err := normalizeTonTxHashHex(raw)
+	if err != nil {
+		return manualTonTxRef{}, err
+	}
+	return manualTonTxRef{HashHex: hashHex}, nil
+}
+
+func normalizeTonTxHashHex(raw string) (string, error) {
+	hashHex := strings.ToLower(strings.TrimSpace(strings.TrimPrefix(strings.TrimPrefix(raw, "0x"), "0X")))
+	if len(hashHex) != 64 {
+		return "", fmt.Errorf("invalid ton transaction hash length")
+	}
+	if _, err := hex.DecodeString(hashHex); err != nil {
+		return "", fmt.Errorf("invalid ton transaction hash")
+	}
+	return hashHex, nil
+}
+
+func parseUint64Strict(raw string) (uint64, error) {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return 0, fmt.Errorf("empty integer")
+	}
+	var out uint64
+	for _, ch := range raw {
+		if ch < '0' || ch > '9' {
+			return 0, fmt.Errorf("invalid integer")
+		}
+		out = out*10 + uint64(ch-'0')
+	}
+	return out, nil
+}
+
+func dialManualTonClient(node mdb.RpcNode) (ton.APIClientWrapped, func(), error) {
+	ctx, cancel := context.WithTimeout(context.Background(), manualVerifyRequestTimeout)
+	defer cancel()
+	return ConnectTonLiteAPI(ctx, node.Url, manualVerifyRequestTimeout, 3)
+}
+
+func validateManualTonPaymentWithAPI(ctx context.Context, api ton.APIClientWrapped, order *mdb.Orders, receive *address.Address, ref manualTonTxRef) (string, error) {
+	master, err := api.CurrentMasterchainInfo(ctx)
+	if err != nil {
+		return "", fmt.Errorf("fetch current masterchain: %w", err)
+	}
+	txs, err := listManualTonCandidateTransactions(ctx, api, master, receive, ref)
+	if err != nil {
+		return "", fmt.Errorf("list ton account transactions: %w", err)
+	}
+	if len(txs) == 0 {
+		return "", fmt.Errorf("transaction not found")
+	}
+
+	state, err := manualTonTokenState(ctx, api, master, receive)
+	if err != nil {
+		return "", err
+	}
+	return validateManualTonPaymentCandidates(order, receive, ref, txs, state)
+}
+
+func validateManualTonPaymentCandidates(order *mdb.Orders, receive *address.Address, ref manualTonTxRef, txs []*tlb.Transaction, state *manualTonState) (string, error) {
+	if state == nil {
+		state = &manualTonState{jettonWallets: make(map[string]mdb.ChainToken)}
+	}
+	var matched []*TonObservedTransfer
+	for _, tx := range txs {
+		if tx == nil {
+			continue
+		}
+		hashHex := hex.EncodeToString(tx.Hash)
+		if !strings.EqualFold(hashHex, ref.HashHex) {
+			continue
+		}
+		if ref.HasLT && tx.LT != ref.LT {
+			continue
+		}
+		transfer, err := ParseTonInboundTransfer(tx, receive, state.nativeToken, state.jettonWallets)
+		if err != nil || transfer == nil {
+			continue
+		}
+		if err = EnsureTonTransferMatchesOrder(order, transfer); err != nil {
+			return "", err
+		}
+		matched = append(matched, transfer)
+	}
+	if len(matched) == 0 {
+		return "", fmt.Errorf("matching ton transfer to order address not found")
+	}
+	if len(matched) > 1 && !ref.HasLT {
+		return "", fmt.Errorf("ton transaction hash matched multiple recent transactions; submit canonical id or lt:hash")
+	}
+	receiveRaw := addressutil.TonRawAddressObjectKey(receive)
+	return TonCanonicalBlockTransactionID(receiveRaw, matched[0].LT, matched[0].TxHashHex), nil
+}
+
+func listManualTonCandidateTransactions(ctx context.Context, api ton.APIClientWrapped, master *ton.BlockIDExt, receive *address.Address, ref manualTonTxRef) ([]*tlb.Transaction, error) {
+	waiter := api.WaitForBlock(master.SeqNo)
+	if ref.HasLT {
+		hashBytes, err := hex.DecodeString(ref.HashHex)
+		if err != nil {
+			return nil, err
+		}
+		return waiter.ListTransactions(ctx, receive, 1, ref.LT, hashBytes)
+	}
+
+	account, err := waiter.GetAccount(ctx, master, receive)
+	if err != nil {
+		return nil, fmt.Errorf("fetch ton account state: %w", err)
+	}
+	if account == nil || account.LastTxLT == 0 || len(account.LastTxHash) == 0 {
+		return nil, fmt.Errorf("transaction not found")
+	}
+	return waiter.ListTransactions(ctx, receive, 100, account.LastTxLT, account.LastTxHash)
+}
+
+type manualTonState struct {
+	nativeToken   *mdb.ChainToken
+	jettonWallets map[string]mdb.ChainToken
+}
+
+func manualTonTokenState(ctx context.Context, api ton.APIClientWrapped, master *ton.BlockIDExt, receive *address.Address) (*manualTonState, error) {
+	tokens, err := data.ListEnabledChainTokensByNetwork(mdb.NetworkTon)
+	if err != nil {
+		return nil, err
+	}
+	state := &manualTonState{jettonWallets: make(map[string]mdb.ChainToken)}
+	for i := range tokens {
+		sym := strings.ToUpper(strings.TrimSpace(tokens[i].Symbol))
+		contract := strings.TrimSpace(tokens[i].ContractAddress)
+		if sym == TonNativeSymbol && contract == "" {
+			token := tokens[i]
+			state.nativeToken = &token
+			continue
+		}
+		if contract == "" {
+			continue
+		}
+		masterAddr, err := addressutil.ParseTonMainnetAddress(contract)
+		if err != nil {
+			continue
+		}
+		wallet, err := jetton.NewJettonMasterClient(api, masterAddr.Address).GetJettonWalletAtBlock(ctx, receive, master)
+		if err != nil {
+			continue
+		}
+		state.jettonWallets[addressutil.TonRawAddressObjectKey(wallet.Address())] = tokens[i]
+	}
+	return state, nil
+}
+
 func validateManualSolanaPayment(order *mdb.Orders, sig string) (string, error) {
 	sig = strings.TrimSpace(sig)
 	nodes, err := data.ListManualPaymentRpcCandidates(mdb.NetworkSolana, mdb.RpcNodeTypeHttp)

src/model/service/manual_payment_verify_test.go

@@ -1,7 +1,9 @@
 package service
 
 import (
+	"bytes"
 	"context"
+	"encoding/hex"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -16,11 +18,33 @@ import (
 	"github.com/GMWalletApp/epusdt/internal/testutil"
 	"github.com/GMWalletApp/epusdt/model/dao"
 	"github.com/GMWalletApp/epusdt/model/mdb"
+	addressutil "github.com/GMWalletApp/epusdt/util/address"
 	"github.com/dromara/carbon/v2"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/xssnick/tonutils-go/address"
+	"github.com/xssnick/tonutils-go/tlb"
+	"github.com/xssnick/tonutils-go/ton"
+	"github.com/xssnick/tonutils-go/ton/jetton"
+	"github.com/xssnick/tonutils-go/tvm/cell"
+	"gorm.io/gorm/clause"
 )
 
+func upsertTestChainToken(t *testing.T, token mdb.ChainToken) {
+	t.Helper()
+	if err := dao.Mdb.Clauses(clause.OnConflict{
+		Columns: []clause.Column{{Name: "network"}, {Name: "symbol"}},
+		DoUpdates: clause.AssignmentColumns([]string{
+			"contract_address",
+			"decimals",
+			"enabled",
+			"min_amount",
+		}),
+	}).Create(&token).Error; err != nil {
+		t.Fatalf("upsert token: %v", err)
+	}
+}
+
 func TestManualVerifyEvmHashAcceptsOptional0x(t *testing.T) {
 	hash := strings.Repeat("a", 64)
 	if !isEvmHash(hash) {
@@ -89,6 +113,215 @@ func TestManualVerifyNormalizeTronTxIDAcceptsOptional0x(t *testing.T) {
 	}
 }
 
+func TestParseManualTonTxRefAcceptsCanonicalLTAndHashOnly(t *testing.T) {
+	receiveRaw := "0:ba295e33b3c4c9b5265aa4ead1166a92931ce9abea120a8c5e91044a1257f89c"
+	hash := strings.Repeat("a", 64)
+
+	ref, err := parseManualTonTxRef("ton:" + receiveRaw + ":123:" + strings.ToUpper(hash))
+	if err != nil {
+		t.Fatalf("parse canonical TON tx ref: %v", err)
+	}
+	if ref.ReceiveRaw != receiveRaw || ref.LT != 123 || ref.HashHex != hash || !ref.HasLT {
+		t.Fatalf("canonical ref = %#v", ref)
+	}
+
+	ref, err = parseManualTonTxRef("456:0X" + strings.ToUpper(hash))
+	if err != nil {
+		t.Fatalf("parse lt:hash TON tx ref: %v", err)
+	}
+	if ref.ReceiveRaw != "" || ref.LT != 456 || ref.HashHex != hash || !ref.HasLT {
+		t.Fatalf("lt:hash ref = %#v", ref)
+	}
+
+	ref, err = parseManualTonTxRef("0X" + strings.ToUpper(hash))
+	if err != nil {
+		t.Fatalf("parse hash-only TON tx ref: %v", err)
+	}
+	if ref.ReceiveRaw != "" || ref.LT != 0 || ref.HashHex != hash || ref.HasLT {
+		t.Fatalf("hash-only ref = %#v", ref)
+	}
+}
+
+type fakeManualTonAPI struct {
+	ton.APIClientWrapped
+	master          *ton.BlockIDExt
+	account         *tlb.Account
+	txs             []*tlb.Transaction
+	getAccountCalls int
+	listCalls       []manualTonListCall
+}
+
+type manualTonListCall struct {
+	limit   uint32
+	lt      uint64
+	hashHex string
+}
+
+func (f *fakeManualTonAPI) CurrentMasterchainInfo(context.Context) (*ton.BlockIDExt, error) {
+	return f.master, nil
+}
+
+func (f *fakeManualTonAPI) WaitForBlock(uint32) ton.APIClientWrapped {
+	return f
+}
+
+func (f *fakeManualTonAPI) GetAccount(context.Context, *ton.BlockIDExt, *address.Address) (*tlb.Account, error) {
+	f.getAccountCalls++
+	if f.account == nil {
+		return &tlb.Account{}, nil
+	}
+	return f.account, nil
+}
+
+func (f *fakeManualTonAPI) ListTransactions(_ context.Context, _ *address.Address, limit uint32, lt uint64, txHash []byte) ([]*tlb.Transaction, error) {
+	f.listCalls = append(f.listCalls, manualTonListCall{
+		limit:   limit,
+		lt:      lt,
+		hashHex: hex.EncodeToString(txHash),
+	})
+	return f.txs, nil
+}
+
+func TestValidateManualTonPaymentWithAPINativeTON(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := dao.Mdb.Model(&mdb.ChainToken{}).
+		Where("network = ? AND symbol = ?", mdb.NetworkTon, "USDT").
+		Update("enabled", false).Error; err != nil {
+		t.Fatalf("disable TON USDT token: %v", err)
+	}
+
+	receive := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	sender := address.NewAddress(0, 0, bytes.Repeat([]byte{0x66}, 32)).Bounce(false).Testnet(false)
+	tx := tonTestInboundTx(t, sender, receive, tlb.MustFromTON("1.23"), nil)
+	order := &mdb.Orders{
+		BaseModel:      mdb.BaseModel{ID: 1, CreatedAt: *carbon.NewTime(carbon.CreateFromTimestampMilli(time.Now().Add(-time.Minute).UnixMilli()))},
+		Network:        mdb.NetworkTon,
+		Token:          "TON",
+		ActualAmount:   1.23,
+		ReceiveAddress: receive.Bounce(false).String(),
+	}
+	api := &fakeManualTonAPI{
+		master: &ton.BlockIDExt{Workchain: address.MasterchainID, Shard: -0x8000000000000000, SeqNo: 9},
+		txs:    []*tlb.Transaction{tx},
+	}
+	ref := manualTonTxRef{LT: tx.LT, HashHex: hex.EncodeToString(tx.Hash), HasLT: true}
+
+	got, err := validateManualTonPaymentWithAPI(context.Background(), api, order, receive, ref)
+	if err != nil {
+		t.Fatalf("validateManualTonPaymentWithAPI(): %v", err)
+	}
+	if api.getAccountCalls != 0 {
+		t.Fatalf("exact TON ref fetched account state %d times, want 0", api.getAccountCalls)
+	}
+	if len(api.listCalls) != 1 {
+		t.Fatalf("ListTransactions calls = %#v, want one exact lookup", api.listCalls)
+	}
+	if call := api.listCalls[0]; call.limit != 1 || call.lt != tx.LT || call.hashHex != hex.EncodeToString(tx.Hash) {
+		t.Fatalf("ListTransactions exact call = %#v, want limit=1 lt/hash from ref", call)
+	}
+	want := TonCanonicalBlockTransactionID(receive.StringRaw(), tx.LT, hex.EncodeToString(tx.Hash))
+	if got != want {
+		t.Fatalf("canonical id = %q, want %q", got, want)
+	}
+}
+
+func TestValidateManualTonPaymentCandidatesUSDTJetton(t *testing.T) {
+	receive := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	sender := address.NewAddress(0, 0, bytes.Repeat([]byte{0x68}, 32)).Bounce(false).Testnet(false)
+	jettonWallet := address.NewAddress(0, 0, bytes.Repeat([]byte{0x69}, 32)).Bounce(false).Testnet(false)
+	body, err := tlb.ToCell(jetton.TransferNotification{
+		QueryID:        7,
+		Amount:         tlb.MustFromNano(big.NewInt(1_000_000), 6),
+		Sender:         sender,
+		ForwardPayload: cell.BeginCell().EndCell(),
+	})
+	if err != nil {
+		t.Fatalf("build jetton notification body: %v", err)
+	}
+	tx := tonTestInboundTx(t, jettonWallet, receive, tlb.FromNanoTONU(1), body)
+	order := &mdb.Orders{
+		BaseModel:      mdb.BaseModel{ID: 1, CreatedAt: *carbon.NewTime(carbon.CreateFromTimestampMilli(time.Now().Add(-time.Minute).UnixMilli()))},
+		Network:        mdb.NetworkTon,
+		Token:          "USDT",
+		ActualAmount:   1,
+		ReceiveAddress: receive.Bounce(false).String(),
+	}
+	state := &manualTonState{
+		jettonWallets: map[string]mdb.ChainToken{
+			addressutil.TonRawAddressObjectKey(jettonWallet): {
+				BaseModel: mdb.BaseModel{ID: 2},
+				Network:   mdb.NetworkTon,
+				Symbol:    "USDT",
+				Decimals:  6,
+				Enabled:   true,
+			},
+		},
+	}
+
+	got, err := validateManualTonPaymentCandidates(order, receive, manualTonTxRef{
+		LT:      tx.LT,
+		HashHex: hex.EncodeToString(tx.Hash),
+		HasLT:   true,
+	}, []*tlb.Transaction{tx}, state)
+	if err != nil {
+		t.Fatalf("validateManualTonPaymentCandidates(): %v", err)
+	}
+	want := TonCanonicalBlockTransactionID(receive.StringRaw(), tx.LT, hex.EncodeToString(tx.Hash))
+	if got != want {
+		t.Fatalf("canonical id = %q, want %q", got, want)
+	}
+}
+
+func TestValidateManualTonPaymentWithAPIRejectsAmbiguousHashOnly(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := dao.Mdb.Model(&mdb.ChainToken{}).
+		Where("network = ? AND symbol = ?", mdb.NetworkTon, "USDT").
+		Update("enabled", false).Error; err != nil {
+		t.Fatalf("disable TON USDT token: %v", err)
+	}
+
+	receive := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	sender := address.NewAddress(0, 0, bytes.Repeat([]byte{0x67}, 32)).Bounce(false).Testnet(false)
+	tx1 := tonTestInboundTx(t, sender, receive, tlb.MustFromTON("1.23"), nil)
+	tx2 := tonTestInboundTx(t, sender, receive, tlb.MustFromTON("1.23"), nil)
+	tx2.LT = tx1.LT + 1
+	order := &mdb.Orders{
+		BaseModel:      mdb.BaseModel{ID: 1, CreatedAt: *carbon.NewTime(carbon.CreateFromTimestampMilli(time.Now().Add(-time.Minute).UnixMilli()))},
+		Network:        mdb.NetworkTon,
+		Token:          "TON",
+		ActualAmount:   1.23,
+		ReceiveAddress: receive.Bounce(false).String(),
+	}
+	api := &fakeManualTonAPI{
+		master: &ton.BlockIDExt{Workchain: address.MasterchainID, Shard: -0x8000000000000000, SeqNo: 9},
+		account: &tlb.Account{
+			LastTxLT:   tx2.LT,
+			LastTxHash: tx2.Hash,
+		},
+		txs: []*tlb.Transaction{tx1, tx2},
+	}
+
+	_, err := validateManualTonPaymentWithAPI(context.Background(), api, order, receive, manualTonTxRef{
+		HashHex: hex.EncodeToString(tx1.Hash),
+	})
+	if err == nil || !strings.Contains(err.Error(), "matched multiple") {
+		t.Fatalf("validate ambiguous hash-only error = %v, want multiple-match error", err)
+	}
+	if api.getAccountCalls != 1 {
+		t.Fatalf("hash-only TON ref fetched account state %d times, want 1", api.getAccountCalls)
+	}
+	if len(api.listCalls) != 1 {
+		t.Fatalf("ListTransactions calls = %#v, want one recent lookup", api.listCalls)
+	}
+	if call := api.listCalls[0]; call.limit != 100 || call.lt != tx2.LT || call.hashHex != hex.EncodeToString(tx2.Hash) {
+		t.Fatalf("ListTransactions recent call = %#v, want account last tx cursor", call)
+	}
+}
+
 func TestManualVerifyDialEvmClientsIncludesHTTPNode(t *testing.T) {
 	cleanup := testutil.SetupTestDatabases(t)
 	defer cleanup()
@@ -369,15 +602,13 @@ func TestManualVerifyTronTRC20UsesTransferEvent(t *testing.T) {
 	if err != nil {
 		t.Fatalf("recipient address: %v", err)
 	}
-	if err = dao.Mdb.Create(&mdb.ChainToken{
+	upsertTestChainToken(t, mdb.ChainToken{
 		Network:         mdb.NetworkTron,
 		Symbol:          "USDT",
 		ContractAddress: contractAddress,
 		Decimals:        6,
 		Enabled:         true,
-	}).Error; err != nil {
-		t.Fatalf("create token: %v", err)
-	}
+	})
 
 	rawAmount := big.NewInt(1230000)
 	tx := manualTronTransactionFromCallData(t, contractHex, recipientHex, rawAmount)
@@ -491,15 +722,13 @@ func TestManualVerifyTronPaymentHTTPFlow(t *testing.T) {
 	}).Error; err != nil {
 		t.Fatalf("create tron rpc node: %v", err)
 	}
-	if err = dao.Mdb.Create(&mdb.ChainToken{
+	upsertTestChainToken(t, mdb.ChainToken{
 		Network:         mdb.NetworkTron,
 		Symbol:          "USDT",
 		ContractAddress: contractAddress,
 		Decimals:        6,
 		Enabled:         true,
-	}).Error; err != nil {
-		t.Fatalf("create token: %v", err)
-	}
+	})
 	order := &mdb.Orders{
 		TradeId:        "manual-tron-http-flow",
 		OrderId:        "manual-tron-http-flow",

src/model/service/order_service.go

@@ -14,6 +14,7 @@ import (
 	"github.com/GMWalletApp/epusdt/model/mdb"
 	"github.com/GMWalletApp/epusdt/model/request"
 	"github.com/GMWalletApp/epusdt/model/response"
+	addressutil "github.com/GMWalletApp/epusdt/util/address"
 	"github.com/GMWalletApp/epusdt/util/constant"
 	"github.com/GMWalletApp/epusdt/util/log"
 	"github.com/GMWalletApp/epusdt/util/math"
@@ -48,11 +49,27 @@ func normalizeOrderAddressByNetwork(network, address string) string {
 	switch network {
 	case mdb.NetworkEthereum, mdb.NetworkBsc, mdb.NetworkPolygon, mdb.NetworkPlasma:
 		return strings.ToLower(address)
+	case mdb.NetworkTon:
+		if normalized, err := addressutil.NormalizeTonAddress(address); err == nil {
+			return normalized
+		}
+		return address
 	default:
 		return address
 	}
 }
 
+func ensureEnabledOrderAsset(network, token string) (*mdb.ChainToken, error) {
+	tokenRow, err := data.GetEnabledChainTokenBySymbol(network, token)
+	if err != nil {
+		return nil, err
+	}
+	if tokenRow == nil || tokenRow.ID == 0 {
+		return nil, constant.SupportedAssetNotFound
+	}
+	return tokenRow, nil
+}
+
 // CreateTransaction creates a new payment order.
 func CreateTransaction(req *request.CreateTransactionRequest, apiKey *mdb.ApiKey) (*response.CreateTransactionResponse, error) {
 	token := strings.ToUpper(strings.TrimSpace(req.Token))
@@ -68,6 +85,21 @@ func CreateTransaction(req *request.CreateTransactionRequest, apiKey *mdb.ApiKey
 
 	amountPrecision := data.GetAmountPrecision()
 	payAmount := math.MustParsePrecFloat64(req.Amount, amountPrecision)
+	exist, err := data.GetOrderInfoByOrderId(req.OrderId)
+	if err != nil {
+		return nil, err
+	}
+	if exist.ID > 0 {
+		return nil, constant.OrderAlreadyExists
+	}
+
+	if !data.IsChainEnabled(network) {
+		return nil, constant.ChainNotEnabled
+	}
+	if _, err = ensureEnabledOrderAsset(network, token); err != nil {
+		return nil, err
+	}
+
 	rate := config.GetRateForCoin(strings.ToLower(token), strings.ToLower(currency))
 	if rate <= 0 {
 		return nil, constant.RateAmountErr
@@ -82,17 +114,6 @@ func CreateTransaction(req *request.CreateTransactionRequest, apiKey *mdb.ApiKey
 		return nil, constant.PayAmountErr
 	}
 
-	exist, err := data.GetOrderInfoByOrderId(req.OrderId)
-	if err != nil {
-		return nil, err
-	}
-	if exist.ID > 0 {
-		return nil, constant.OrderAlreadyExists
-	}
-
-	if !data.IsChainEnabled(network) {
-		return nil, constant.ChainNotEnabled
-	}
 	walletAddress, err := data.GetAvailableWalletAddressByNetwork(network)
 	if err != nil {
 		return nil, err
@@ -485,7 +506,16 @@ func SwitchNetwork(req *request.SwitchNetworkRequest) (*response.CheckoutCounter
 		return nil, constant.SubOrderLimitExceeded
 	}
 
-	// 5. Calculate amount for the new network
+	// 5. Validate the target chain and asset before any rate lookup so
+	// disabled/unknown tokens return the stable unsupported-asset error.
+	if !data.IsChainEnabled(network) {
+		return nil, constant.ChainNotEnabled
+	}
+	if _, err = ensureEnabledOrderAsset(network, token); err != nil {
+		return nil, err
+	}
+
+	// 6. Calculate amount for the new network
 	rate := config.GetRateForCoin(strings.ToLower(token), strings.ToLower(parent.Currency))
 	if rate <= 0 {
 		return nil, constant.RateAmountErr
@@ -496,10 +526,7 @@ func SwitchNetwork(req *request.SwitchNetworkRequest) (*response.CheckoutCounter
 		return nil, constant.PayAmountErr
 	}
 
-	// 6. Find and lock wallet
-	if !data.IsChainEnabled(network) {
-		return nil, constant.ChainNotEnabled
-	}
+	// 7. Find and lock wallet
 	walletAddress, err := data.GetAvailableWalletAddressByNetwork(network)
 	if err != nil {
 		return nil, err
@@ -518,7 +545,7 @@ func SwitchNetwork(req *request.SwitchNetworkRequest) (*response.CheckoutCounter
 		return nil, constant.NotAvailableAmountErr
 	}
 
-	// 7. Create sub-order
+	// 8. Create sub-order
 	tx := dao.Mdb.Begin()
 	subOrder := &mdb.Orders{
 		TradeId:         subTradeID,

src/model/service/order_service_test.go

@@ -4,6 +4,7 @@ import (
 	"encoding/base64"
 	"fmt"
 	"io"
+	"math/big"
 	"net/http"
 	"strings"
 	"sync"
@@ -18,6 +19,7 @@ import (
 	"github.com/GMWalletApp/epusdt/util/constant"
 	"github.com/GMWalletApp/epusdt/util/http_client"
 	"github.com/go-resty/resty/v2"
+	"github.com/xssnick/tonutils-go/address"
 )
 
 func newCreateTransactionRequest(orderID string, amount float64) *request.CreateTransactionRequest {
@@ -281,6 +283,424 @@ func TestCreateTransactionNormalizesEvmReceiveAddressToLowercase(t *testing.T) {
 	}
 }
 
+func TestCreateTransactionCreatesTonOrderAndRawLock(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting("rate", "rate.forced_rate_list", `{"cny":{"ton":0.5}}`, "json"); err != nil {
+		t.Fatalf("set forced rate: %v", err)
+	}
+	addr := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	wallet, err := data.AddWalletAddressWithNetwork(mdb.NetworkTon, addr.StringRaw())
+	if err != nil {
+		t.Fatalf("add ton wallet: %v", err)
+	}
+
+	req := newCreateTransactionRequest("order_ton_native_1", 10)
+	req.Network = mdb.NetworkTon
+	req.Token = "TON"
+
+	resp, err := CreateTransaction(req, nil)
+	if err != nil {
+		t.Fatalf("create TON transaction: %v", err)
+	}
+	if resp.ReceiveAddress != wallet.Address {
+		t.Fatalf("receive address = %q, want %q", resp.ReceiveAddress, wallet.Address)
+	}
+	if resp.Token != "TON" {
+		t.Fatalf("token = %q, want TON", resp.Token)
+	}
+	if got := fmt.Sprintf("%.2f", resp.ActualAmount); got != "5.00" {
+		t.Fatalf("actual amount = %s, want 5.00", got)
+	}
+
+	tradeID, err := data.GetTradeIdByWalletAddressAndAmountAndToken(mdb.NetworkTon, addr.StringRaw(), "TON", resp.ActualAmount)
+	if err != nil {
+		t.Fatalf("lookup ton runtime lock: %v", err)
+	}
+	if tradeID != resp.TradeId {
+		t.Fatalf("runtime lock trade_id = %q, want %q", tradeID, resp.TradeId)
+	}
+}
+
+func TestCreateTransactionCreatesTonOrderWithConfiguredPrecision(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting(mdb.SettingGroupSystem, mdb.SettingKeyAmountPrecision, "4", mdb.SettingTypeInt); err != nil {
+		t.Fatalf("set amount precision: %v", err)
+	}
+	if err := data.SetSetting("rate", "rate.forced_rate_list", `{"cny":{"ton":0.12345}}`, "json"); err != nil {
+		t.Fatalf("set forced rate: %v", err)
+	}
+	addr := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	if _, err := data.AddWalletAddressWithNetwork(mdb.NetworkTon, addr.StringRaw()); err != nil {
+		t.Fatalf("add ton wallet: %v", err)
+	}
+
+	req := newCreateTransactionRequest("order_ton_precision_1", 10)
+	req.Network = mdb.NetworkTon
+	req.Token = "TON"
+	resp, err := CreateTransaction(req, nil)
+	if err != nil {
+		t.Fatalf("create TON transaction: %v", err)
+	}
+	if got := fmt.Sprintf("%.4f", resp.ActualAmount); got != "1.2345" {
+		t.Fatalf("actual amount = %s, want 1.2345", got)
+	}
+	tradeID, err := data.GetTradeIdByWalletAddressAndAmountAndToken(mdb.NetworkTon, addr.Bounce(true).String(), "TON", 1.2345)
+	if err != nil {
+		t.Fatalf("lookup ton runtime lock: %v", err)
+	}
+	if tradeID != resp.TradeId {
+		t.Fatalf("runtime lock trade_id = %q, want %q", tradeID, resp.TradeId)
+	}
+}
+
+func TestCreateTransactionRejectsUnsupportedTonToken(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	req := newCreateTransactionRequest("order_ton_gram_1", 10)
+	req.Network = mdb.NetworkTon
+	req.Token = "GRAM"
+
+	_, err := CreateTransaction(req, nil)
+	if err != constant.SupportedAssetNotFound {
+		t.Fatalf("create unsupported TON token error = %v, want %v", err, constant.SupportedAssetNotFound)
+	}
+}
+
+func TestCreateTransactionRejectsDisabledTonTokenBeforeRate(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := dao.Mdb.Model(&mdb.ChainToken{}).
+		Where("network = ? AND symbol = ?", mdb.NetworkTon, "TON").
+		Update("enabled", false).Error; err != nil {
+		t.Fatalf("disable TON token: %v", err)
+	}
+	req := newCreateTransactionRequest("order_ton_disabled_1", 10)
+	req.Network = mdb.NetworkTon
+	req.Token = "TON"
+
+	_, err := CreateTransaction(req, nil)
+	if err != constant.SupportedAssetNotFound {
+		t.Fatalf("create disabled TON token error = %v, want %v", err, constant.SupportedAssetNotFound)
+	}
+}
+
+func TestCreateTransactionSupportedTonTokenWithoutRateReturnsRateError(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting("rate", "rate.forced_rate_list", `{"cny":{"ton":0}}`, "json"); err != nil {
+		t.Fatalf("set forced rate: %v", err)
+	}
+	if err := data.SetSetting("rate", "rate.api_url", "", "string"); err != nil {
+		t.Fatalf("clear rate api url: %v", err)
+	}
+	req := newCreateTransactionRequest("order_ton_missing_rate_1", 10)
+	req.Network = mdb.NetworkTon
+	req.Token = "TON"
+
+	_, err := CreateTransaction(req, nil)
+	if err != constant.RateAmountErr {
+		t.Fatalf("create TON without rate error = %v, want %v", err, constant.RateAmountErr)
+	}
+}
+
+func TestSwitchNetworkCreatesTonSubOrderAndRawLock(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting("rate", "rate.forced_rate_list", `{"cny":{"usdt":0.1,"ton":0.5}}`, "json"); err != nil {
+		t.Fatalf("set forced rate: %v", err)
+	}
+	if _, err := data.AddWalletAddress("TTestTronAddress001"); err != nil {
+		t.Fatalf("add tron wallet: %v", err)
+	}
+	addr := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	wallet, err := data.AddWalletAddressWithNetwork(mdb.NetworkTon, addr.StringRaw())
+	if err != nil {
+		t.Fatalf("add ton wallet: %v", err)
+	}
+
+	parentReq := newCreateTransactionRequest("order_switch_ton_1", 10)
+	parentReq.Network = mdb.NetworkTron
+	parentResp, err := CreateTransaction(parentReq, nil)
+	if err != nil {
+		t.Fatalf("create parent transaction: %v", err)
+	}
+
+	subResp, err := SwitchNetwork(&request.SwitchNetworkRequest{
+		TradeId: parentResp.TradeId,
+		Token:   "TON",
+		Network: mdb.NetworkTon,
+	})
+	if err != nil {
+		t.Fatalf("switch to TON: %v", err)
+	}
+	if subResp.Network != mdb.NetworkTon || subResp.Token != "TON" {
+		t.Fatalf("sub order network/token = %s/%s, want ton/TON", subResp.Network, subResp.Token)
+	}
+	if subResp.ReceiveAddress != wallet.Address {
+		t.Fatalf("sub order receive address = %q, want %q", subResp.ReceiveAddress, wallet.Address)
+	}
+	if got := fmt.Sprintf("%.2f", subResp.ActualAmount); got != "5.00" {
+		t.Fatalf("sub order actual amount = %s, want 5.00", got)
+	}
+	tradeID, err := data.GetTradeIdByWalletAddressAndAmountAndToken(mdb.NetworkTon, addr.StringRaw(), "TON", subResp.ActualAmount)
+	if err != nil {
+		t.Fatalf("lookup TON sub-order lock: %v", err)
+	}
+	if tradeID != subResp.TradeId {
+		t.Fatalf("TON sub-order lock trade_id = %q, want %q", tradeID, subResp.TradeId)
+	}
+}
+
+func TestSwitchNetworkRejectsUnsupportedTonToken(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting("rate", "rate.forced_rate_list", `{"cny":{"usdt":0.1}}`, "json"); err != nil {
+		t.Fatalf("set forced rate: %v", err)
+	}
+	if _, err := data.AddWalletAddress("TTestTronAddress002"); err != nil {
+		t.Fatalf("add tron wallet: %v", err)
+	}
+	parentResp, err := CreateTransaction(newCreateTransactionRequest("order_switch_gram_1", 10), nil)
+	if err != nil {
+		t.Fatalf("create parent transaction: %v", err)
+	}
+
+	_, err = SwitchNetwork(&request.SwitchNetworkRequest{
+		TradeId: parentResp.TradeId,
+		Token:   "GRAM",
+		Network: mdb.NetworkTon,
+	})
+	if err != constant.SupportedAssetNotFound {
+		t.Fatalf("switch unsupported TON token error = %v, want %v", err, constant.SupportedAssetNotFound)
+	}
+}
+
+func TestTryProcessTonTransferMarksOrderPaidAndReleasesRawLock(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting("rate", "rate.forced_rate_list", `{"cny":{"ton":0.5}}`, "json"); err != nil {
+		t.Fatalf("set forced rate: %v", err)
+	}
+	addr := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	if _, err := data.AddWalletAddressWithNetwork(mdb.NetworkTon, addr.StringRaw()); err != nil {
+		t.Fatalf("add ton wallet: %v", err)
+	}
+	req := newCreateTransactionRequest("order_ton_process_1", 10)
+	req.Network = mdb.NetworkTon
+	req.Token = "TON"
+	resp, err := CreateTransaction(req, nil)
+	if err != nil {
+		t.Fatalf("create TON transaction: %v", err)
+	}
+
+	transfer := &TonObservedTransfer{
+		ReceiveAddress: resp.ReceiveAddress,
+		Token:          mdb.ChainToken{BaseModel: mdb.BaseModel{ID: 1}, Network: mdb.NetworkTon, Symbol: "TON", Decimals: 9, Enabled: true},
+		RawAmount:      big.NewInt(5_000_000_000),
+		Amount:         resp.ActualAmount,
+		BlockTimeMs:    time.Now().Add(time.Second).UnixMilli(),
+		LT:             100,
+		TxHashHex:      strings.Repeat("1", 64),
+		BlockID:        TonCanonicalBlockTransactionID(addr.StringRaw(), 100, strings.Repeat("1", 64)),
+	}
+	TryProcessTonTransfer(transfer)
+
+	order, err := data.GetOrderInfoByTradeId(resp.TradeId)
+	if err != nil {
+		t.Fatalf("reload order: %v", err)
+	}
+	if order.Status != mdb.StatusPaySuccess {
+		t.Fatalf("order status = %d, want %d", order.Status, mdb.StatusPaySuccess)
+	}
+	if order.BlockTransactionId != transfer.BlockID {
+		t.Fatalf("block transaction id = %q, want %q", order.BlockTransactionId, transfer.BlockID)
+	}
+	lock, err := data.GetTradeIdByWalletAddressAndAmountAndToken(mdb.NetworkTon, addr.StringRaw(), "TON", resp.ActualAmount)
+	if err != nil {
+		t.Fatalf("lookup ton lock: %v", err)
+	}
+	if lock != "" {
+		t.Fatalf("TON lock still exists after payment: %s", lock)
+	}
+}
+
+func TestTryProcessTonJettonTransferMarksUSDTOrderPaid(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting("rate", "rate.forced_rate_list", `{"cny":{"usdt":0.1}}`, "json"); err != nil {
+		t.Fatalf("set forced rate: %v", err)
+	}
+	addr := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	if _, err := data.AddWalletAddressWithNetwork(mdb.NetworkTon, addr.StringRaw()); err != nil {
+		t.Fatalf("add ton wallet: %v", err)
+	}
+	req := newCreateTransactionRequest("order_ton_usdt_process_1", 10)
+	req.Network = mdb.NetworkTon
+	req.Token = "USDT"
+	resp, err := CreateTransaction(req, nil)
+	if err != nil {
+		t.Fatalf("create TON USDT transaction: %v", err)
+	}
+
+	transfer := &TonObservedTransfer{
+		ReceiveAddress: resp.ReceiveAddress,
+		Token:          mdb.ChainToken{BaseModel: mdb.BaseModel{ID: 2}, Network: mdb.NetworkTon, Symbol: "USDT", Decimals: 6, Enabled: true},
+		RawAmount:      big.NewInt(1_000_000),
+		Amount:         resp.ActualAmount,
+		BlockTimeMs:    time.Now().Add(time.Second).UnixMilli(),
+		LT:             110,
+		TxHashHex:      strings.Repeat("4", 64),
+		BlockID:        TonCanonicalBlockTransactionID(addr.StringRaw(), 110, strings.Repeat("4", 64)),
+	}
+	TryProcessTonTransfer(transfer)
+
+	order, err := data.GetOrderInfoByTradeId(resp.TradeId)
+	if err != nil {
+		t.Fatalf("reload order: %v", err)
+	}
+	if order.Status != mdb.StatusPaySuccess {
+		t.Fatalf("order status = %d, want %d", order.Status, mdb.StatusPaySuccess)
+	}
+	if order.BlockTransactionId != transfer.BlockID {
+		t.Fatalf("block transaction id = %q, want %q", order.BlockTransactionId, transfer.BlockID)
+	}
+	lock, err := data.GetTradeIdByWalletAddressAndAmountAndToken(mdb.NetworkTon, addr.StringRaw(), "USDT", resp.ActualAmount)
+	if err != nil {
+		t.Fatalf("lookup TON USDT lock: %v", err)
+	}
+	if lock != "" {
+		t.Fatalf("TON USDT lock still exists after payment: %s", lock)
+	}
+}
+
+func TestTryProcessTonTransferSkipsTransfersBeforeOrderCreation(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting("rate", "rate.forced_rate_list", `{"cny":{"ton":0.5}}`, "json"); err != nil {
+		t.Fatalf("set forced rate: %v", err)
+	}
+	addr := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	if _, err := data.AddWalletAddressWithNetwork(mdb.NetworkTon, addr.StringRaw()); err != nil {
+		t.Fatalf("add ton wallet: %v", err)
+	}
+	req := newCreateTransactionRequest("order_ton_old_transfer_1", 10)
+	req.Network = mdb.NetworkTon
+	req.Token = "TON"
+	resp, err := CreateTransaction(req, nil)
+	if err != nil {
+		t.Fatalf("create TON transaction: %v", err)
+	}
+	order, err := data.GetOrderInfoByTradeId(resp.TradeId)
+	if err != nil {
+		t.Fatalf("load order: %v", err)
+	}
+
+	TryProcessTonTransfer(&TonObservedTransfer{
+		ReceiveAddress: resp.ReceiveAddress,
+		Token:          mdb.ChainToken{BaseModel: mdb.BaseModel{ID: 1}, Network: mdb.NetworkTon, Symbol: "TON", Decimals: 9, Enabled: true},
+		RawAmount:      big.NewInt(5_000_000_000),
+		Amount:         resp.ActualAmount,
+		BlockTimeMs:    order.CreatedAt.TimestampMilli() - 1,
+		LT:             101,
+		TxHashHex:      strings.Repeat("2", 64),
+		BlockID:        TonCanonicalBlockTransactionID(addr.StringRaw(), 101, strings.Repeat("2", 64)),
+	})
+
+	order, err = data.GetOrderInfoByTradeId(resp.TradeId)
+	if err != nil {
+		t.Fatalf("reload order: %v", err)
+	}
+	if order.Status != mdb.StatusWaitPay {
+		t.Fatalf("order status = %d, want wait-pay", order.Status)
+	}
+	if order.BlockTransactionId != "" {
+		t.Fatalf("old transfer set block transaction id = %q", order.BlockTransactionId)
+	}
+}
+
+func TestTryProcessTonSubOrderPaysParentAndReleasesLocks(t *testing.T) {
+	cleanup := testutil.SetupTestDatabases(t)
+	defer cleanup()
+
+	if err := data.SetSetting("rate", "rate.forced_rate_list", `{"cny":{"usdt":0.1,"ton":0.5}}`, "json"); err != nil {
+		t.Fatalf("set forced rate: %v", err)
+	}
+	if _, err := data.AddWalletAddress("TTestTronAddressForTonSub"); err != nil {
+		t.Fatalf("add tron wallet: %v", err)
+	}
+	addr := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	if _, err := data.AddWalletAddressWithNetwork(mdb.NetworkTon, addr.StringRaw()); err != nil {
+		t.Fatalf("add ton wallet: %v", err)
+	}
+
+	parentReq := newCreateTransactionRequest("order_ton_sub_parent_1", 10)
+	parentReq.Network = mdb.NetworkTron
+	parentResp, err := CreateTransaction(parentReq, nil)
+	if err != nil {
+		t.Fatalf("create parent order: %v", err)
+	}
+	subResp, err := SwitchNetwork(&request.SwitchNetworkRequest{
+		TradeId: parentResp.TradeId,
+		Token:   "TON",
+		Network: mdb.NetworkTon,
+	})
+	if err != nil {
+		t.Fatalf("switch to TON: %v", err)
+	}
+
+	TryProcessTonTransfer(&TonObservedTransfer{
+		ReceiveAddress: subResp.ReceiveAddress,
+		Token:          mdb.ChainToken{BaseModel: mdb.BaseModel{ID: 1}, Network: mdb.NetworkTon, Symbol: "TON", Decimals: 9, Enabled: true},
+		RawAmount:      big.NewInt(5_000_000_000),
+		Amount:         subResp.ActualAmount,
+		BlockTimeMs:    time.Now().Add(time.Second).UnixMilli(),
+		LT:             102,
+		TxHashHex:      strings.Repeat("3", 64),
+		BlockID:        TonCanonicalBlockTransactionID(addr.StringRaw(), 102, strings.Repeat("3", 64)),
+	})
+
+	parent, err := data.GetOrderInfoByTradeId(parentResp.TradeId)
+	if err != nil {
+		t.Fatalf("reload parent order: %v", err)
+	}
+	if parent.Status != mdb.StatusPaySuccess {
+		t.Fatalf("parent status = %d, want paid", parent.Status)
+	}
+	sub, err := data.GetOrderInfoByTradeId(subResp.TradeId)
+	if err != nil {
+		t.Fatalf("reload sub order: %v", err)
+	}
+	if sub.Status != mdb.StatusPaySuccess {
+		t.Fatalf("sub status = %d, want paid", sub.Status)
+	}
+	parentLock, err := data.GetTradeIdByWalletAddressAndAmountAndToken(mdb.NetworkTron, parentResp.ReceiveAddress, parentResp.Token, parentResp.ActualAmount)
+	if err != nil {
+		t.Fatalf("lookup parent lock: %v", err)
+	}
+	if parentLock != "" {
+		t.Fatalf("parent lock still exists: %s", parentLock)
+	}
+	subLock, err := data.GetTradeIdByWalletAddressAndAmountAndToken(mdb.NetworkTon, addr.StringRaw(), "TON", subResp.ActualAmount)
+	if err != nil {
+		t.Fatalf("lookup sub lock: %v", err)
+	}
+	if subLock != "" {
+		t.Fatalf("TON sub-order lock still exists: %s", subLock)
+	}
+}
+
 func TestOrderProcessingMarksPaidAndReleasesLock(t *testing.T) {
 	cleanup := testutil.SetupTestDatabases(t)
 	defer cleanup()

src/model/service/task_service_test.go

@@ -12,8 +12,24 @@ import (
 	"github.com/GMWalletApp/epusdt/model/mdb"
 	"github.com/GMWalletApp/epusdt/notify"
 	"github.com/ethereum/go-ethereum/common"
+	"gorm.io/gorm/clause"
 )
 
+func upsertTaskServiceTestChainToken(t *testing.T, token mdb.ChainToken) {
+	t.Helper()
+	if err := dao.Mdb.Clauses(clause.OnConflict{
+		Columns: []clause.Column{{Name: "network"}, {Name: "symbol"}},
+		DoUpdates: clause.AssignmentColumns([]string{
+			"contract_address",
+			"decimals",
+			"enabled",
+			"min_amount",
+		}),
+	}).Create(&token).Error; err != nil {
+		t.Fatalf("seed chain token: %v", err)
+	}
+}
+
 func TestSendPaymentNotificationUsesLatestOrderUpdatedAt(t *testing.T) {
 	cleanup := testutil.SetupTestDatabases(t)
 	defer cleanup()
@@ -158,15 +174,13 @@ func TestTryProcessEvmERC20TransferSkipsTransfersBeforeOrderCreation(t *testing.
 	contract := common.HexToAddress("0x3333333333333333333333333333333333333333")
 	receiveAddress := common.HexToAddress("0x4444444444444444444444444444444444444444")
 
-	if err := dao.Mdb.Create(&mdb.ChainToken{
+	upsertTaskServiceTestChainToken(t, mdb.ChainToken{
 		Network:         mdb.NetworkEthereum,
 		Symbol:          tokenSym,
 		ContractAddress: contract.Hex(),
 		Decimals:        6,
 		Enabled:         true,
-	}).Error; err != nil {
-		t.Fatalf("seed chain token: %v", err)
-	}
+	})
 
 	order := &mdb.Orders{
 		TradeId:        tradeID,

src/model/service/ton_lite_client.go

@@ -0,0 +1,37 @@
+package service
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/xssnick/tonutils-go/liteclient"
+	"github.com/xssnick/tonutils-go/ton"
+)
+
+// ConnectTonLiteAPI builds a tonutils-go API client from a liteserver global
+// config URL. Scanner and manual verification use this same connection setup.
+func ConnectTonLiteAPI(ctx context.Context, configURL string, requestTimeout time.Duration, reconnectLimit int) (ton.APIClientWrapped, func(), error) {
+	configURL = strings.TrimSpace(configURL)
+	if configURL == "" {
+		return nil, func() {}, fmt.Errorf("ton lite config url is empty")
+	}
+	if reconnectLimit <= 0 {
+		reconnectLimit = 3
+	}
+	cfg, err := liteclient.GetConfigFromUrl(ctx, configURL)
+	if err != nil {
+		return nil, func() {}, err
+	}
+	pool := liteclient.NewConnectionPool()
+	pool.SetOnDisconnect(pool.DefaultReconnect(3*time.Second, reconnectLimit))
+	if err = pool.AddConnectionsFromConfig(ctx, cfg); err != nil {
+		pool.Stop()
+		return nil, func() {}, err
+	}
+	base := ton.NewAPIClient(pool, ton.ProofCheckPolicyFast)
+	base.SetTrustedBlockFromConfig(cfg)
+	api := base.WithRetry(2).WithTimeout(requestTimeout).WithLSInfoInErrors()
+	return api, pool.Stop, nil
+}

src/model/service/ton_task.go

@@ -0,0 +1,262 @@
+package service
+
+import (
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"math/big"
+	"strings"
+
+	"github.com/GMWalletApp/epusdt/model/data"
+	"github.com/GMWalletApp/epusdt/model/mdb"
+	"github.com/GMWalletApp/epusdt/model/request"
+	addressutil "github.com/GMWalletApp/epusdt/util/address"
+	"github.com/GMWalletApp/epusdt/util/constant"
+	"github.com/GMWalletApp/epusdt/util/log"
+	"github.com/GMWalletApp/epusdt/util/math"
+	"github.com/shopspring/decimal"
+	"github.com/xssnick/tonutils-go/address"
+	"github.com/xssnick/tonutils-go/tlb"
+	"github.com/xssnick/tonutils-go/ton/jetton"
+	"github.com/xssnick/tonutils-go/tvm/cell"
+)
+
+const (
+	TonNativeSymbol               = "TON"
+	TonTransferNotificationOpcode = 0x7362d09c
+)
+
+type TonObservedTransfer struct {
+	ReceiveAddress string
+	Token          mdb.ChainToken
+	RawAmount      *big.Int
+	Amount         float64
+	BlockTimeMs    int64
+	LT             uint64
+	TxHashHex      string
+	BlockID        string
+	SenderAddress  string
+	JettonWallet   string
+}
+
+func TonCanonicalBlockTransactionID(receiveRaw string, lt uint64, txHashHex string) string {
+	return fmt.Sprintf("ton:%s:%d:%s", strings.ToLower(strings.TrimSpace(receiveRaw)), lt, strings.ToLower(strings.TrimSpace(txHashHex)))
+}
+
+func ParseTonInboundTransfer(tx *tlb.Transaction, receive *address.Address, nativeToken *mdb.ChainToken, jettonWalletTokens map[string]mdb.ChainToken) (*TonObservedTransfer, error) {
+	if tx == nil || receive == nil || tx.IO.In == nil || tx.IO.In.MsgType != tlb.MsgTypeInternal {
+		return nil, nil
+	}
+	if isTonTransactionBounced(tx) {
+		return nil, nil
+	}
+	in := tx.IO.In.AsInternal()
+	if in == nil || in.DstAddr == nil || !in.DstAddr.Equals(receive) {
+		return nil, nil
+	}
+
+	receiveRaw := addressutil.TonRawAddressObjectKey(receive)
+	txHashHex := hex.EncodeToString(tx.Hash)
+	blockID := TonCanonicalBlockTransactionID(receiveRaw, tx.LT, txHashHex)
+	blockTimeMs := int64(tx.Now) * 1000
+	if in.SrcAddr != nil {
+		srcRaw := addressutil.TonRawAddressObjectKey(in.SrcAddr)
+		if token, ok := jettonWalletTokens[srcRaw]; ok {
+			transfer, err := parseTonJettonTransferNotification(in)
+			if err != nil {
+				return nil, nil
+			}
+			amount := tonRawAmountToFloat(transfer.Amount.Nano(), token.Decimals)
+			if amount <= 0 {
+				return nil, nil
+			}
+			if token.MinAmount > 0 && amount < token.MinAmount {
+				return nil, nil
+			}
+			return &TonObservedTransfer{
+				ReceiveAddress: addressutil.NormalizeTonAddressObject(receive),
+				Token:          token,
+				RawAmount:      transfer.Amount.Nano(),
+				Amount:         amount,
+				BlockTimeMs:    blockTimeMs,
+				LT:             tx.LT,
+				TxHashHex:      txHashHex,
+				BlockID:        blockID,
+				SenderAddress:  addressutil.NormalizeTonAddressObject(transfer.Sender),
+				JettonWallet:   addressutil.NormalizeTonAddressObject(in.SrcAddr),
+			}, nil
+		}
+	}
+
+	if tonPayloadIsTransferNotification(in.Body) {
+		return nil, nil
+	}
+	if nativeToken == nil || nativeToken.ID == 0 {
+		return nil, nil
+	}
+	rawNano := in.Amount.Nano()
+	if rawNano == nil || rawNano.Sign() <= 0 {
+		return nil, nil
+	}
+	amount := tonRawAmountToFloat(rawNano, nativeToken.Decimals)
+	if amount <= 0 {
+		return nil, nil
+	}
+	if nativeToken.MinAmount > 0 && amount < nativeToken.MinAmount {
+		return nil, nil
+	}
+	return &TonObservedTransfer{
+		ReceiveAddress: addressutil.NormalizeTonAddressObject(receive),
+		Token:          *nativeToken,
+		RawAmount:      rawNano,
+		Amount:         amount,
+		BlockTimeMs:    blockTimeMs,
+		LT:             tx.LT,
+		TxHashHex:      txHashHex,
+		BlockID:        blockID,
+	}, nil
+}
+
+func TryProcessTonTransfer(transfer *TonObservedTransfer) {
+	if transfer == nil {
+		return
+	}
+	tokenSym := strings.ToUpper(strings.TrimSpace(transfer.Token.Symbol))
+	defer func() {
+		if err := recover(); err != nil {
+			log.Sugar.Errorf("[TON-%s][%s] TryProcessTonTransfer panic: %v", tokenSym, transfer.ReceiveAddress, err)
+		}
+	}()
+
+	receive := strings.TrimSpace(transfer.ReceiveAddress)
+	if tokenSym == "" || receive == "" || transfer.Amount <= 0 || transfer.BlockID == "" {
+		return
+	}
+	log.Sugar.Infof("[TON-%s][%s] observed transfer tx=%s lt=%d amount=%.6f", tokenSym, receive, transfer.BlockID, transfer.LT, transfer.Amount)
+
+	tradeID, err := data.GetTradeIdByWalletAddressAndAmountAndToken(mdb.NetworkTon, receive, tokenSym, transfer.Amount)
+	if err != nil {
+		log.Sugar.Warnf("[TON-%s][%s] lock lookup: %v", tokenSym, receive, err)
+		return
+	}
+	if tradeID == "" {
+		log.Sugar.Infof("[TON-%s][%s] skip unmatched transfer tx=%s amount=%.6f", tokenSym, receive, transfer.BlockID, transfer.Amount)
+		return
+	}
+
+	order, err := data.GetOrderInfoByTradeId(tradeID)
+	if err != nil {
+		log.Sugar.Warnf("[TON-%s][%s] load order: %v", tokenSym, receive, err)
+		return
+	}
+	if strings.ToLower(strings.TrimSpace(order.Network)) != mdb.NetworkTon {
+		log.Sugar.Warnf("[TON-%s][%s] skip trade_id=%s network=%q", tokenSym, receive, tradeID, order.Network)
+		return
+	}
+	if strings.ToUpper(strings.TrimSpace(order.Token)) != tokenSym {
+		log.Sugar.Warnf("[TON-%s][%s] skip trade_id=%s token mismatch order=%s", tokenSym, receive, tradeID, order.Token)
+		return
+	}
+	if !tonOrderAddressMatches(order.ReceiveAddress, receive) {
+		log.Sugar.Warnf("[TON-%s][%s] skip trade_id=%s receive address mismatch order=%s", tokenSym, receive, tradeID, order.ReceiveAddress)
+		return
+	}
+	if transfer.BlockTimeMs > 0 && transfer.BlockTimeMs < order.CreatedAt.TimestampMilli() {
+		log.Sugar.Warnf("[TON-%s][%s] skip tx %s because block time %d is before order create time %d", tokenSym, receive, transfer.BlockID, transfer.BlockTimeMs, order.CreatedAt.TimestampMilli())
+		return
+	}
+
+	req := &request.OrderProcessingRequest{
+		ReceiveAddress:     order.ReceiveAddress,
+		Token:              tokenSym,
+		Network:            mdb.NetworkTon,
+		TradeId:            tradeID,
+		Amount:             transfer.Amount,
+		BlockTransactionId: transfer.BlockID,
+	}
+	err = OrderProcessing(req)
+	if err != nil {
+		if errors.Is(err, constant.OrderBlockAlreadyProcess) || errors.Is(err, constant.OrderStatusConflict) {
+			log.Sugar.Infof("[TON-%s][%s] skip resolved transfer trade_id=%s tx=%s err=%v", tokenSym, receive, tradeID, transfer.BlockID, err)
+			return
+		}
+		log.Sugar.Errorf("[TON-%s][%s] OrderProcessing trade_id=%s tx=%s: %v", tokenSym, receive, tradeID, transfer.BlockID, err)
+		return
+	}
+
+	sendPaymentNotification(order)
+	log.Sugar.Infof("[TON-%s][%s] payment processed trade_id=%s tx=%s", tokenSym, receive, tradeID, transfer.BlockID)
+}
+
+func tonOrderAddressMatches(a, b string) bool {
+	ar, errA := addressutil.TonRawAddressKey(a)
+	br, errB := addressutil.TonRawAddressKey(b)
+	return errA == nil && errB == nil && ar == br
+}
+
+func tonRawAmountToFloat(rawAmount *big.Int, decimals int) float64 {
+	if rawAmount == nil || rawAmount.Sign() <= 0 {
+		return 0
+	}
+	if decimals < 0 {
+		decimals = 0
+	}
+	amount := decimal.NewFromBigInt(rawAmount, -int32(decimals))
+	return math.MustParsePrecFloat64(amount.InexactFloat64(), data.MaxAmountPrecision)
+}
+
+func parseTonJettonTransferNotification(in *tlb.InternalMessage) (*jetton.TransferNotification, error) {
+	if in == nil || in.Body == nil {
+		return nil, fmt.Errorf("missing jetton transfer notification body")
+	}
+	var transfer jetton.TransferNotification
+	if err := tlb.LoadFromCell(&transfer, in.Body.BeginParse()); err != nil {
+		return nil, err
+	}
+	return &transfer, nil
+}
+
+func tonPayloadIsTransferNotification(body *cell.Cell) bool {
+	if body == nil {
+		return false
+	}
+	op, err := body.BeginParse().LoadUInt(32)
+	return err == nil && op == TonTransferNotificationOpcode
+}
+
+func isTonTransactionBounced(tx *tlb.Transaction) bool {
+	if tx == nil {
+		return false
+	}
+	if dsc, ok := tx.Description.(tlb.TransactionDescriptionOrdinary); ok && dsc.BouncePhase != nil {
+		if _, ok = dsc.BouncePhase.Phase.(tlb.BouncePhaseOk); ok {
+			return true
+		}
+	}
+	return false
+}
+
+func EnsureTonTransferMatchesOrder(order *mdb.Orders, transfer *TonObservedTransfer) error {
+	if order == nil || order.ID == 0 {
+		return fmt.Errorf("order not found")
+	}
+	if transfer == nil {
+		return fmt.Errorf("matching ton transfer to order address not found")
+	}
+	if strings.ToLower(strings.TrimSpace(order.Network)) != mdb.NetworkTon {
+		return fmt.Errorf("order network mismatch")
+	}
+	if !strings.EqualFold(order.Token, transfer.Token.Symbol) {
+		return fmt.Errorf("transaction token mismatch")
+	}
+	if !tonOrderAddressMatches(order.ReceiveAddress, transfer.ReceiveAddress) {
+		return fmt.Errorf("transaction recipient mismatch")
+	}
+	if transfer.BlockTimeMs <= 0 || transfer.BlockTimeMs < order.CreatedAt.TimestampMilli() {
+		return fmt.Errorf("transaction predates the order")
+	}
+	if !amountMatchesRaw(order.ActualAmount, transfer.RawAmount, transfer.Token.Decimals) {
+		return fmt.Errorf("transaction amount mismatch")
+	}
+	return nil
+}

src/model/service/ton_task_test.go

@@ -0,0 +1,173 @@
+package service
+
+import (
+	"bytes"
+	"math/big"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/GMWalletApp/epusdt/model/mdb"
+	addressutil "github.com/GMWalletApp/epusdt/util/address"
+	"github.com/xssnick/tonutils-go/address"
+	"github.com/xssnick/tonutils-go/tlb"
+	"github.com/xssnick/tonutils-go/ton/jetton"
+	"github.com/xssnick/tonutils-go/tvm/cell"
+)
+
+func tonTestInboundTx(t *testing.T, src, dst *address.Address, amount tlb.Coins, body *cell.Cell) *tlb.Transaction {
+	t.Helper()
+	return &tlb.Transaction{
+		LT:   123,
+		Now:  uint32(time.Now().Unix()),
+		Hash: bytes.Repeat([]byte{0x11}, 32),
+		IO: struct {
+			In  *tlb.Message      `tlb:"maybe ^"`
+			Out *tlb.MessagesList `tlb:"maybe ^"`
+		}{
+			In: &tlb.Message{
+				MsgType: tlb.MsgTypeInternal,
+				Msg: &tlb.InternalMessage{
+					SrcAddr: src,
+					DstAddr: dst,
+					Amount:  amount,
+					Body:    body,
+				},
+			},
+		},
+	}
+}
+
+func TestParseTonInboundTransferNativeTON(t *testing.T) {
+	receive := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	sender := address.NewAddress(0, 0, bytes.Repeat([]byte{0x22}, 32)).Bounce(false).Testnet(false)
+	native := &mdb.ChainToken{BaseModel: mdb.BaseModel{ID: 1}, Network: mdb.NetworkTon, Symbol: "TON", Decimals: 9, Enabled: true}
+
+	tx := tonTestInboundTx(t, sender, receive, tlb.MustFromTON("1.23"), cell.BeginCell().EndCell())
+	transfer, err := ParseTonInboundTransfer(tx, receive, native, nil)
+	if err != nil {
+		t.Fatalf("ParseTonInboundTransfer(): %v", err)
+	}
+	if transfer == nil {
+		t.Fatal("expected native TON transfer")
+	}
+	if transfer.Token.Symbol != "TON" {
+		t.Fatalf("token = %q, want TON", transfer.Token.Symbol)
+	}
+	if transfer.Amount != 1.23 {
+		t.Fatalf("amount = %v, want 1.23", transfer.Amount)
+	}
+	if transfer.ReceiveAddress != addressutil.NormalizeTonAddressObject(receive) {
+		t.Fatalf("receive address = %q", transfer.ReceiveAddress)
+	}
+	if !strings.HasPrefix(transfer.BlockID, "ton:"+addressutil.TonRawAddressObjectKey(receive)+":123:") {
+		t.Fatalf("block id = %q, want canonical TON prefix", transfer.BlockID)
+	}
+}
+
+func TestParseTonInboundTransferJettonNotification(t *testing.T) {
+	receive := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	sender := address.NewAddress(0, 0, bytes.Repeat([]byte{0x33}, 32)).Bounce(false).Testnet(false)
+	jettonWallet := address.NewAddress(0, 0, bytes.Repeat([]byte{0x44}, 32)).Bounce(false).Testnet(false)
+	native := &mdb.ChainToken{BaseModel: mdb.BaseModel{ID: 1}, Network: mdb.NetworkTon, Symbol: "TON", Decimals: 9, Enabled: true}
+	usdt := mdb.ChainToken{BaseModel: mdb.BaseModel{ID: 2}, Network: mdb.NetworkTon, Symbol: "USDT", Decimals: 6, Enabled: true}
+
+	body, err := tlb.ToCell(jetton.TransferNotification{
+		QueryID:        7,
+		Amount:         tlb.MustFromNano(big.NewInt(1230000), 6),
+		Sender:         sender,
+		ForwardPayload: cell.BeginCell().EndCell(),
+	})
+	if err != nil {
+		t.Fatalf("build jetton notification body: %v", err)
+	}
+
+	tx := tonTestInboundTx(t, jettonWallet, receive, tlb.FromNanoTONU(1), body)
+	transfer, err := ParseTonInboundTransfer(tx, receive, native, map[string]mdb.ChainToken{
+		addressutil.TonRawAddressObjectKey(jettonWallet): usdt,
+	})
+	if err != nil {
+		t.Fatalf("ParseTonInboundTransfer(): %v", err)
+	}
+	if transfer == nil {
+		t.Fatal("expected USDT jetton transfer")
+	}
+	if transfer.Token.Symbol != "USDT" {
+		t.Fatalf("token = %q, want USDT", transfer.Token.Symbol)
+	}
+	if transfer.Amount != 1.23 {
+		t.Fatalf("amount = %v, want 1.23", transfer.Amount)
+	}
+	if transfer.SenderAddress != addressutil.NormalizeTonAddressObject(sender) {
+		t.Fatalf("sender address = %q", transfer.SenderAddress)
+	}
+	if transfer.JettonWallet != addressutil.NormalizeTonAddressObject(jettonWallet) {
+		t.Fatalf("jetton wallet = %q", transfer.JettonWallet)
+	}
+}
+
+func TestParseTonInboundTransferJettonNotificationWithNoGasComputeSkip(t *testing.T) {
+	receive := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	sender := address.NewAddress(0, 0, bytes.Repeat([]byte{0x33}, 32)).Bounce(false).Testnet(false)
+	jettonWallet := address.NewAddress(0, 0, bytes.Repeat([]byte{0x44}, 32)).Bounce(false).Testnet(false)
+	usdt := mdb.ChainToken{BaseModel: mdb.BaseModel{ID: 2}, Network: mdb.NetworkTon, Symbol: "USDT", Decimals: 6, Enabled: true}
+
+	body, err := tlb.ToCell(jetton.TransferNotification{
+		QueryID:        7,
+		Amount:         tlb.MustFromNano(big.NewInt(150000), 6),
+		Sender:         sender,
+		ForwardPayload: cell.BeginCell().EndCell(),
+	})
+	if err != nil {
+		t.Fatalf("build jetton notification body: %v", err)
+	}
+
+	tx := tonTestInboundTx(t, jettonWallet, receive, tlb.FromNanoTONU(1), body)
+	tx.Description = tlb.TransactionDescriptionOrdinary{
+		ComputePhase: tlb.ComputePhase{Phase: tlb.ComputePhaseSkipped{
+			Reason: tlb.ComputeSkipReason{Type: tlb.ComputeSkipReasonNoGas},
+		}},
+		Aborted: true,
+	}
+	transfer, err := ParseTonInboundTransfer(tx, receive, nil, map[string]mdb.ChainToken{
+		addressutil.TonRawAddressObjectKey(jettonWallet): usdt,
+	})
+	if err != nil {
+		t.Fatalf("ParseTonInboundTransfer(): %v", err)
+	}
+	if transfer == nil {
+		t.Fatal("expected no-gas jetton notification to be accepted")
+	}
+	if transfer.Token.Symbol != "USDT" {
+		t.Fatalf("token = %q, want USDT", transfer.Token.Symbol)
+	}
+	if transfer.Amount != 0.15 {
+		t.Fatalf("amount = %v, want 0.15", transfer.Amount)
+	}
+}
+
+func TestParseTonInboundTransferDoesNotCountUntrustedJettonNotificationAsTON(t *testing.T) {
+	receive := address.MustParseAddr("EQC6KV4zs8TJtSZapOrRFmqSkxzpq-oSCoxekQRKElf4nC1I")
+	sender := address.NewAddress(0, 0, bytes.Repeat([]byte{0x33}, 32)).Bounce(false).Testnet(false)
+	untrustedJettonWallet := address.NewAddress(0, 0, bytes.Repeat([]byte{0x55}, 32)).Bounce(false).Testnet(false)
+	native := &mdb.ChainToken{BaseModel: mdb.BaseModel{ID: 1}, Network: mdb.NetworkTon, Symbol: "TON", Decimals: 9, Enabled: true}
+
+	body, err := tlb.ToCell(jetton.TransferNotification{
+		QueryID:        7,
+		Amount:         tlb.MustFromNano(big.NewInt(1230000), 6),
+		Sender:         sender,
+		ForwardPayload: cell.BeginCell().EndCell(),
+	})
+	if err != nil {
+		t.Fatalf("build jetton notification body: %v", err)
+	}
+
+	tx := tonTestInboundTx(t, untrustedJettonWallet, receive, tlb.FromNanoTONU(1), body)
+	transfer, err := ParseTonInboundTransfer(tx, receive, native, nil)
+	if err != nil {
+		t.Fatalf("ParseTonInboundTransfer(): %v", err)
+	}
+	if transfer != nil {
+		t.Fatalf("untrusted jetton notification produced transfer: %#v", transfer)
+	}
+}