Fix/refactor zboxcore mobilesdk fixes

core/client/init_node.go

@@ -88,7 +88,7 @@ func (n *Node) ShouldUpdateNetwork() (bool, *conf.Network, error) {
 	if err != nil {
 		return false, nil, err
 	}
-	network, err := GetNetwork(n.clientCtx)
+	network, err := GetNetwork(n.clientCtx, cfg.BlockWorker)
 	if err != nil {
 		logging.Error("Failed to get network details ", zap.Error(err), zap.String("block_worker", cfg.BlockWorker))
 		return false, nil, err
@@ -126,10 +126,7 @@ func Init(ctx context.Context, cfg conf.Config) error {
 	// set default value for options if unset
 	setOptionsDefaultValue(&cfg)
 
-	//init packages
-	conf.InitClientConfig(&cfg)
-
-	network, err := GetNetwork(ctx)
+	network, err := GetNetwork(ctx, cfg.BlockWorker)
 	if err != nil {
 		logging.Error("Failed to get network details ", zap.Error(err), zap.Any("block_worker", cfg.BlockWorker))
 		return err
@@ -144,6 +141,8 @@ func Init(ctx context.Context, cfg conf.Config) error {
 		clientCtx:    ctx,
 	}
 
+	//init packages
+	conf.InitClientConfig(&cfg)
 	InitCache(nodeClient.sharders)
 
 	// update Network periodically
@@ -169,6 +168,7 @@ func Init(ctx context.Context, cfg conf.Config) error {
 		}
 	}()
 
+	SetSdkInitialized(true)
 	return nil
 }
 
@@ -181,12 +181,8 @@ func GetNode() (*Node, error) {
 }
 
 // GetNetwork gets current network details from 0chain network.
-func GetNetwork(ctx context.Context) (*conf.Network, error) {
-	cfg, err := conf.GetClientConfig()
-	if err != nil {
-		return nil, err
-	}
-	networkUrl := cfg.BlockWorker + "/network"
+func GetNetwork(ctx context.Context, blockWorker string) (*conf.Network, error) {
+	networkUrl := blockWorker + "/network"
 	networkGetCtx, networkGetCancelCtx := context.WithTimeout(ctx, 60*time.Second)
 	defer networkGetCancelCtx()
 	req, err := util.NewHTTPGetRequestContext(networkGetCtx, networkUrl)

core/client/set.go

@@ -32,7 +32,7 @@ type Client struct {
 	authUrl         string
 	nonce           int64
 	txnFee          uint64
-	sign            SignFunc
+	sign            SignFunc //nolint:unused
 }
 
 func init() {

core/imageutil/thumbnailer.go

@@ -4,8 +4,11 @@ package imageutil
 import (
 	"bytes"
 	"fmt"
+	"github.com/disintegration/gift"
 	"image"
+	"image/gif"
 	_ "image/gif"
+	"image/jpeg"
 	_ "image/jpeg"
 	"image/png"
 	_ "image/png"
@@ -37,39 +40,42 @@ type SubImager interface {
 //   - vp8l
 //   - webp
 func CreateThumbnail(buf []byte, width, height int) ([]byte, error) {
-	// image.Decode requires that you import the right image package.
-	// Ignored return value is image format name.
-	img, _, err := image.Decode(bytes.NewReader(buf))
+	// Decode the image from the buffer
+	img, format, err := image.Decode(bytes.NewReader(buf))
 	if err != nil {
 		return nil, err
 	}
 
-	// I've hard-coded a crop rectangle, start (0,0), end (100, 100).
-	img, err = cropImage(img, image.Rect(0, 0, width, height))
-	if err != nil {
-		return nil, err
-	}
+	// Resize the image using Lanczos resampling
 
-	fd := &bytes.Buffer{}
+	g := gift.New(
+		gift.Resize(width, height, gift.LanczosResampling),
+	)
+	thumbnail := image.NewRGBA(g.Bounds(img.Bounds()))
+	g.Draw(thumbnail, img)
+	//thumbnail := resize.Resize(uint(width), uint(height), img, resize.Lanczos3)
 
-	err = png.Encode(fd, img)
-	if err != nil {
-		return nil, err
-	}
+	// Create a buffer to hold the new resized image
+	var outBuffer bytes.Buffer
 
-	return fd.Bytes(), nil
-}
-
-// cropImage takes an image and crops it to the specified rectangle.
-func cropImage(img image.Image, crop image.Rectangle) (image.Image, error) {
+	// Encode the image back into the original format
+	switch format {
+	case "jpeg", "jpg":
+		err = jpeg.Encode(&outBuffer, thumbnail, nil)
+	case "png":
+		err = png.Encode(&outBuffer, thumbnail)
+	case "gif":
+		err = gif.Encode(&outBuffer, thumbnail, nil)
+	case "bmp", "ccitt", "riff", "tiff", "vector", "vp8", "vp8l", "webp":
+		err = jpeg.Encode(&outBuffer, thumbnail, nil) // Use JPEG as fallback since WebP/GIF encoding is less common in Go
+	default:
+		err = fmt.Errorf("unsupported image format")
+	}
 
-	// img is an Image interface. This checks if the underlying value has a
-	// method called SubImage. If it does, then we can use SubImage to crop the
-	// image.
-	simg, ok := img.(SubImager)
-	if !ok {
-		return nil, fmt.Errorf("image does not support cropping")
+	if err != nil {
+		return nil, err
 	}
 
-	return simg.SubImage(crop), nil
+	// Return the resized image buffer
+	return outBuffer.Bytes(), nil
 }

go.mod

@@ -29,16 +29,17 @@ require (
 	github.com/uptrace/bunrouter v1.0.20
 	go.dedis.ch/kyber/v3 v3.1.0
 	go.uber.org/zap v1.24.0
-	golang.org/x/crypto v0.21.0
-	golang.org/x/image v0.14.0
-	golang.org/x/sync v0.7.0
+	golang.org/x/crypto v0.28.0
+	golang.org/x/image v0.21.0
+	golang.org/x/sync v0.8.0
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v2 v2.4.0
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
 require (
+	github.com/disintegration/gift v1.2.1
 	github.com/hack-pad/go-webworkers v0.1.0
 	github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d
 	github.com/minio/sha256-simd v1.0.1
@@ -67,6 +68,7 @@ require (
 	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/golang-jwt/jwt/v4 v4.3.0 // indirect
 	github.com/golang/snappy v0.0.5-0.20220116011046-fa5810519dcb // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/hashicorp/go-bexpr v0.1.10 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
@@ -107,8 +109,8 @@ require (
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	go.dedis.ch/fixbuf v1.0.3 // indirect
-	golang.org/x/sys v0.18.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
+	golang.org/x/text v0.19.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
@@ -123,7 +125,7 @@ require (
 	github.com/yusufpapurcu/wmi v1.2.2 // indirect
 	go.uber.org/atomic v1.10.0 // indirect
 	go.uber.org/multierr v1.9.0 // indirect
-	golang.org/x/net v0.23.0 // indirect
+	golang.org/x/net v0.30.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 )
 

go.sum

@@ -143,6 +143,8 @@ github.com/decred/dcrd/lru v1.0.0/go.mod h1:mxKOwFd7lFjN2GZYsiz/ecgqR6kkYAl+0pz0
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-bitstream v0.0.0-20180413035011-3522498ce2c8/go.mod h1:VMaSuZ+SZcx/wljOQKvp5srsbCiKDEb6K2wC4+PiBmQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
+github.com/disintegration/gift v1.2.1 h1:Y005a1X4Z7Uc+0gLpSAsKhWi4qLtsdEcMIbbdvdZ6pc=
+github.com/disintegration/gift v1.2.1/go.mod h1:Jh2i7f7Q2BM7Ezno3PhfezbR1xpUg9dUg3/RlKGr4HI=
 github.com/eclipse/paho.mqtt.golang v1.2.0/go.mod h1:H9keYFcgq3Qr5OUJm/JZI/i6U7joQ8SYLhZwfeOo6Ts=
 github.com/edsrzf/mmap-go v1.0.0 h1:CEBF7HpRnUCSJgGUb5h1Gm7e3VkmVDrR8lvWVLtrOFw=
 github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
@@ -242,8 +244,8 @@ github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
 github.com/google/martian/v3 v3.1.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
@@ -579,8 +581,8 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
-golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
+golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
+golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -599,8 +601,8 @@ golang.org/x/exp v0.0.0-20230626212559-97b1e661b5df/go.mod h1:FXUEEKJgO7OQYeo8N0
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/image v0.14.0 h1:tNgSxAFe3jC4uYqvZdTr84SZoM1KfwdC9SKIFrLjFn4=
-golang.org/x/image v0.14.0/go.mod h1:HUYqC05R2ZcZ3ejNQsIHQDQiwWM4JBqmm6MKANTp4LE=
+golang.org/x/image v0.21.0 h1:c5qV36ajHpdj4Qi0GnE0jUc/yuo33OLFaa0d+crTD5s=
+golang.org/x/image v0.21.0/go.mod h1:vUbsLavqK/W303ZroQQVKQ+Af3Yl6Uz1Ppu5J/cLz78=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -659,8 +661,8 @@ golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs=
-golang.org/x/net v0.23.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
+golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
+golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -681,8 +683,8 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -734,17 +736,17 @@ golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
+golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=

mobilesdk/sdk/sdk.go

@@ -1,12 +1,12 @@
-//go:build mobile
-// +build mobile
-
+// TODO: add mobile build flags later here.
 package sdk
 
 import (
 	"encoding/base64"
 	"encoding/json"
 	"fmt"
+	"github.com/0chain/gosdk/core/imageutil"
+	coreTransaction "github.com/0chain/gosdk/core/transaction"
 	"math"
 	"strconv"
 	"strings"
@@ -27,8 +27,6 @@ import (
 	"github.com/0chain/gosdk/zcncore"
 )
 
-var nonce = int64(0)
-
 type Autorizer interface {
 	Auth(msg string) (string, error)
 }
@@ -71,8 +69,10 @@ func Init(chainConfigJson string) error {
 	cfg := conf.Config{}
 	err := json.Unmarshal([]byte(chainConfigJson), &cfg)
 	if err != nil {
-		return err
+		return errors.WithMessage(err, "failed to unmarshal chain config")
 	}
+	l.Logger.Info("InitSDK chain config")
+	l.Logger.Info(cfg)
 	return client.Init(context.Background(), cfg)
 }
 
@@ -114,7 +114,7 @@ func InitStorageSDK(clientJson string, configJson string) (*StorageSDK, error) {
 		l.Logger.Error(err)
 		return nil, err
 	}
-	err = Init(configObj.BlockWorker)
+	err = Init(configJson)
 	if err != nil {
 		l.Logger.Error(err)
 		return nil, err
@@ -358,6 +358,11 @@ func (s *StorageSDK) GetVersion() string {
 	return version.VERSIONSTR
 }
 
+// GetVersion getting current version for gomobile lib
+func GetVersion() string {
+	return version.VERSIONSTR
+}
+
 // UpdateAllocation update allocation settings with new expiry and size
 //   - size: size of space reserved on blobbers
 //   - extend: extend allocation
@@ -385,6 +390,21 @@ func (s *StorageSDK) GetBlobbersList() (string, error) {
 	return string(retBytes), nil
 }
 
+// GetStorageConfig get storage config
+// configType: storage_sc_config, miners_sc_globals, miner_sc_configs
+func GetStorageConfig(configType string) ([]byte, error) {
+	configBytes, err := coreTransaction.GetConfig(configType)
+	if err != nil {
+		return nil, err
+	}
+
+	retBytes, err := json.Marshal(configBytes)
+	if err != nil {
+		return nil, err
+	}
+	return retBytes, nil
+}
+
 // GetAllocations return back list of allocations for the wallet
 // Extracted from main method, bcz of class fields
 func GetAllocations() (string, error) {
@@ -455,3 +475,15 @@ func decodeTicket(ticket string) (string, string, uint64, error) {
 func RegisterAuthorizer(auth Autorizer) {
 	sys.Authorize = auth.Auth
 }
+
+func CreateThumbnail(fileData []byte, height, width int) ([]byte, error) {
+	if len(fileData) == 0 {
+		return nil, errors.New("empty image data")
+	}
+
+	if height == 0 || width == 0 {
+		return nil, errors.New("invalid height or width")
+	}
+
+	return imageutil.CreateThumbnail(fileData, width, height)
+}

mobilesdk/zbox/util.go

@@ -1,6 +1,9 @@
 package zbox
 
 import (
+	"fmt"
+	"github.com/0chain/gosdk/core/client"
+	"github.com/0chain/gosdk/zboxcore/sdk"
 	"regexp"
 	"strconv"
 )
@@ -14,3 +17,14 @@ func GetNumber(value string) int {
 	}
 	return -1
 }
+
+func Sign(clientId string) (string, error) {
+	if len(clientId) == 0 {
+		return "", fmt.Errorf("null client ID for signing")
+	}
+	return client.Sign(clientId)
+}
+
+func GetClientEncryptedPublicKey() (string, error) {
+	return sdk.GetClientEncryptedPublicKey()
+}