From 17e0fd3dc9a14cc6421a0489a57e6ad9f96258e7 Mon Sep 17 00:00:00 2001
From: Oleg Baranov <xssnick8@gmail.com>
Date: Thu, 27 Oct 2022 11:50:40 +0300
Subject: [PATCH 1/3] NFT empty content support

---
 ton/nft/content.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ton/nft/content.go b/ton/nft/content.go
index e3736bf7..a325a09e 100644
--- a/ton/nft/content.go
+++ b/ton/nft/content.go
@@ -2,7 +2,6 @@ package nft
 
 import (
 	"crypto/sha256"
-	"errors"
 	"fmt"
 
 	"github.com/xssnick/tonutils-go/tvm/cell"
@@ -36,7 +35,7 @@ func ContentFromCell(c *cell.Cell) (ContentAny, error) {
 func ContentFromSlice(s *cell.Slice) (ContentAny, error) {
 	if s.BitsLeft() < 8 {
 		if s.RefsNum() == 0 {
-			return nil, errors.New("invalid content")
+			return &ContentOffchain{}, nil
 		}
 		s = s.MustLoadRef()
 	}

From 220546e16698675ef70b11b60186bff79fba45c4 Mon Sep 17 00:00:00 2001
From: Oleg Baranov <xssnick8@gmail.com>
Date: Thu, 27 Oct 2022 12:08:14 +0300
Subject: [PATCH 2/3] Fixed 257 bit int loading

---
 tvm/cell/slice.go | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/tvm/cell/slice.go b/tvm/cell/slice.go
index a7c84efa..1c6ac754 100644
--- a/tvm/cell/slice.go
+++ b/tvm/cell/slice.go
@@ -167,9 +167,13 @@ func (c *Slice) MustLoadBigUInt(sz uint) *big.Int {
 
 func (c *Slice) LoadBigUInt(sz uint) (*big.Int, error) {
 	if sz > 256 {
-		return nil, ErrTooBigValue
+		return nil, ErrTooBigSize
 	}
 
+	return c.loadBigNumber(sz)
+}
+
+func (c *Slice) loadBigNumber(sz uint) (*big.Int, error) {
 	b, err := c.LoadSlice(sz)
 	if err != nil {
 		return nil, err
@@ -190,7 +194,11 @@ func (c *Slice) LoadBigUInt(sz uint) (*big.Int, error) {
 }
 
 func (c *Slice) LoadBigInt(sz uint) (*big.Int, error) {
-	u, err := c.LoadBigUInt(sz)
+	if sz > 257 {
+		return nil, ErrTooBigSize
+	}
+
+	u, err := c.loadBigNumber(sz)
 	if err != nil {
 		return nil, err
 	}

From 72353be86aa99748640dbac7ef2ed080a39af882 Mon Sep 17 00:00:00 2001
From: Coverage <coverage@tonutils.com>
Date: Thu, 27 Oct 2022 09:55:40 +0000
Subject: [PATCH 3/3] Updated coverage badge

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 89a911b1..60d578ef 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 <img align="right" width="425px" src="https://github.com/xssnick/props/blob/master/logoimg.png?raw=true">
 
 [![Based on TON][ton-svg]][ton]
-![Coverage](https://img.shields.io/badge/Coverage-70.6%25-brightgreen)
+![Coverage](https://img.shields.io/badge/Coverage-70.5%25-brightgreen)
 
 Golang library for interacting with TON blockchain.