update sdk to chain33-sdk-go

go.mod

@@ -3,18 +3,21 @@ module gitlab.33.cn/pengjun/reencrypt
 go 1.12
 
 require (
+	github.com/33cn/chain33-sdk-go v0.0.0-20200612015917-5eeccd604dbc
 	github.com/BurntSushi/toml v0.3.1
-	github.com/btcsuite/btcd v0.0.0-20190824003749-130ea5bddde3
-	github.com/golang/protobuf v1.3.4
+	github.com/btcsuite/btcd v0.20.1-beta
+	github.com/golang/protobuf v1.4.2
 	github.com/golang/snappy v0.0.1 // indirect
 	github.com/inconshreveable/log15 v0.0.0-20200109203555-b30bc20e4fd1
-	github.com/mattn/go-colorable v0.1.6 // indirect
-	github.com/mr-tron/base58 v1.1.3
+	github.com/mr-tron/base58 v1.2.0 // indirect
 	github.com/onsi/ginkgo v1.12.0 // indirect
 	github.com/onsi/gomega v1.9.0 // indirect
 	github.com/rs/cors v1.7.0
-	github.com/spf13/cobra v0.0.7
+	github.com/spf13/cobra v1.0.0
 	github.com/stretchr/testify v1.5.1
 	github.com/syndtr/goleveldb v1.0.0
-	golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392
+	github.com/tjfoc/gmsm v1.3.2 // indirect
+	golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9 // indirect
+	golang.org/x/sys v0.0.0-20200610111108-226ff32320da // indirect
+	google.golang.org/protobuf v1.24.0 // indirect
 )

go.sum

 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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@@ -17,70 +34,127 @@ github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVa
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 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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+sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
+sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

sdk/account.go

-package sdk
-
-import (
-	"errors"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/crypto"
-)
-
-type Account struct {
-	PrivateKey  []byte
-	PublicKey   []byte
-	Address     string
-	SignType    string
-}
-
-func NewAccount(signType string) (*Account, error) {
-    if signType == "" {
-    	signType = crypto.SECP256K1
-	}
-
-	account := Account{}
-	account.SignType = signType
-	if signType == crypto.SECP256K1 {
-		account.PrivateKey = crypto.GeneratePrivateKey()
-		account.PublicKey  = crypto.PubKeyFromPrivate(account.PrivateKey)
-
-		addr, err := crypto.PubKeyToAddress(account.PublicKey)
-		if err != nil {
-			return nil, err
-		}
-		account.Address = addr
-	} else if signType == crypto.SM2 {
-		// TODO
-	} else if signType == crypto.ED25519 {
-		// TODO
-	} else {
-		return nil, errors.New("sign type not support")
-	}
-
-	return &account, nil
-}
\ No newline at end of file

sdk/client/jsonclient.go

-// Copyright Fuzamei Corp. 2020 All Rights Reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package jsonclient 实现JSON rpc客户端请求功能
-package client
-
-import (
-	"bytes"
-	"crypto/tls"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"github.com/golang/protobuf/proto"
-
-	"io/ioutil"
-	"net/http"
-	"strings"
-)
-
-// JSONClient a object of jsonclient
-type JSONClient struct {
-	url       string
-	prefix    string
-	tlsVerify bool
-	client    *http.Client
-}
-
-func addPrefix(prefix, name string) string {
-	if strings.Contains(name, ".") {
-		return name
-	}
-	return prefix + "." + name
-}
-
-// NewJSONClient produce a json object
-func NewJSONClient(prefix, url string) (*JSONClient, error) {
-	return new(prefix, url, false)
-}
-
-// New produce a jsonclient by perfix and url
-func new(prefix, url string, tlsVerify bool) (*JSONClient, error) {
-	httpcli := http.DefaultClient
-	if strings.Contains(url, "https") { //暂不校验tls证书
-		httpcli = &http.Client{Transport: &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: !tlsVerify}}}
-	}
-	return &JSONClient{
-		url:       url,
-		prefix:    prefix,
-		tlsVerify: tlsVerify,
-		client:    httpcli,
-	}, nil
-}
-
-type clientRequest struct {
-	Method string         `json:"method"`
-	Params [1]interface{} `json:"params"`
-	ID     uint64         `json:"id"`
-}
-
-type clientResponse struct {
-	ID     uint64           `json:"id"`
-	Result *json.RawMessage `json:"result"`
-	Error  interface{}      `json:"error"`
-}
-
-func (client *JSONClient) Call(method string, params, resp interface{}) error {
-	method = addPrefix(client.prefix, method)
-	req := &clientRequest{}
-	req.Method = method
-	req.Params[0] = params
-	data, err := json.Marshal(req)
-	if err != nil {
-		return err
-	}
-	postresp, err := client.client.Post(client.url, "application/json", bytes.NewBuffer(data))
-	if err != nil {
-		return err
-	}
-	defer postresp.Body.Close()
-	b, err := ioutil.ReadAll(postresp.Body)
-	if err != nil {
-		return err
-	}
-	cresp := &clientResponse{}
-	err = json.Unmarshal(b, &cresp)
-	if err != nil {
-		return err
-	}
-	if cresp.Error != nil {
-		x, ok := cresp.Error.(string)
-		if !ok {
-			return fmt.Errorf("invalid error %v", cresp.Error)
-		}
-		if x == "" {
-			x = "unspecified error"
-		}
-		return fmt.Errorf(x)
-	}
-	if cresp.Result == nil {
-		return errors.New("Empty result")
-	}
-	if msg, ok := resp.(proto.Message); ok {
-		var str json.RawMessage
-		err = json.Unmarshal(*cresp.Result, &str)
-		if err != nil {
-			return err
-		}
-		b, err := str.MarshalJSON()
-		if err != nil {
-			return err
-		}
-		err = json.Unmarshal(b, msg)
-		if err != nil {
-			fmt.Println("err", err)
-			return err
-		}
-		return nil
-	}
-	return json.Unmarshal(*cresp.Result, resp)
-}
-
-type ParseFunc func(result json.RawMessage) (interface{},error)
-//回调函数，用于自定义解析返回得result数据
-func (client *JSONClient) CallBack(method string, params interface{},parseFunc ParseFunc) (interface{}, error) {
-	method = addPrefix(client.prefix, method)
-	req := &clientRequest{}
-	req.Method = method
-	req.Params[0] = params
-	data, err := json.Marshal(req)
-	if err != nil {
-		return nil, err
-	}
-	postresp, err := client.client.Post(client.url, "application/json", bytes.NewBuffer(data))
-	if err != nil {
-		return nil, err
-	}
-	defer postresp.Body.Close()
-	b, err := ioutil.ReadAll(postresp.Body)
-	if err != nil {
-		return nil, err
-	}
-	cresp := &clientResponse{}
-	err = json.Unmarshal(b, &cresp)
-	if err != nil {
-		return nil, err
-	}
-	if cresp.Error != nil {
-		x, ok := cresp.Error.(string)
-		if !ok {
-			return nil, fmt.Errorf("invalid error %v", cresp.Error)
-		}
-		if x == "" {
-			x = "unspecified error"
-		}
-		return nil, fmt.Errorf(x)
-	}
-	if cresp.Result == nil {
-		return nil, errors.New("Empty result")
-	}
-	return parseFunc(*cresp.Result)
-}
-
-// 发送交易
-func (client *JSONClient) SendTransaction(signedTx string) (string, error) {
-	var res string
-	send := &RawParm{
-		Token: "BTY",
-		Data:  signedTx,
-	}
-	err := client.Call("Chain33.SendTransaction", send, &res)
-	if err != nil {
-		return "", err
-	}
-
-	return res, nil
-}
-
-// 查询交易
-func (client *JSONClient) QueryTransaction(hash string) (*TransactionDetail, error) {
-	query := QueryParm{
-		Hash: hash,
-	}
-	var detail TransactionDetail
-	err := client.Call("Chain33.QueryTransaction", query, &detail)
-	if err != nil {
-		return nil, err
-	}
-
-	return &detail, nil
-}

sdk/client/type.go

-package client
-
-import "encoding/json"
-
-// RawParm defines raw parameter command
-type RawParm struct {
-	Token string `json:"token"`
-	Data  string `json:"data"`
-}
-
-// CreateTxIn create tx input
-type CreateTxIn struct {
-	Execer     string          `json:"execer"`
-	ActionName string          `json:"actionName"`
-	Payload    json.RawMessage `json:"payload"`
-}
-
-// QueryParm Query parameter
-type QueryParm struct {
-	Hash string `json:"hash"`
-}
-
-// Signature parameter
-type Signature struct {
-	Ty        int32  `json:"ty"`
-	Pubkey    string `json:"pubkey"`
-	Signature string `json:"signature"`
-}
-
-// Transaction parameter
-type Transaction struct {
-	Execer     string          `json:"execer"`
-	Payload    json.RawMessage `json:"payload"`
-	RawPayload string          `json:"rawPayload"`
-	Signature  *Signature      `json:"signature"`
-	Fee        int64           `json:"fee"`
-	FeeFmt     string          `json:"feefmt"`
-	Expire     int64           `json:"expire"`
-	Nonce      int64           `json:"nonce"`
-	From       string          `json:"from,omitempty"`
-	To         string          `json:"to"`
-	Amount     int64           `json:"amount,omitempty"`
-	AmountFmt  string          `json:"amountfmt,omitempty"`
-	GroupCount int32           `json:"groupCount,omitempty"`
-	Header     string          `json:"header,omitempty"`
-	Next       string          `json:"next,omitempty"`
-	Hash       string          `json:"hash,omitempty"`
-}
-
-// ReceiptDataResult receipt data result
-type ReceiptDataResult struct {
-	Ty     int32               `json:"ty"`
-	TyName string              `json:"tyName"`
-	Logs   []*ReceiptLogResult `json:"logs"`
-}
-
-// ReceiptLogResult receipt log result
-type ReceiptLogResult struct {
-	Ty     int32           `json:"ty"`
-	TyName string          `json:"tyName"`
-	Log    json.RawMessage `json:"log"`
-	RawLog string          `json:"rawLog"`
-}
-
-// Asset asset
-type Asset struct {
-	Exec   string `json:"exec"`
-	Symbol string `json:"symbol"`
-	Amount int64  `json:"amount"`
-}
-
-// TxProof :
-type TxProof struct {
-	Proofs   []string `json:"proofs"`
-	Index    uint32   `json:"index"`
-	RootHash string   `json:"rootHash"`
-}
-
-// TransactionDetail transaction detail
-type TransactionDetail struct {
-	Tx         *Transaction       `json:"tx"`
-	Receipt    *ReceiptDataResult `json:"receipt"`
-	Proofs     []string           `json:"proofs"`
-	Height     int64              `json:"height"`
-	Index      int64              `json:"index"`
-	Blocktime  int64              `json:"blockTime"`
-	Amount     int64              `json:"amount"`
-	Fromaddr   string             `json:"fromAddr"`
-	ActionName string             `json:"actionName"`
-	Assets     []*Asset           `json:"assets"`
-	TxProofs   []*TxProof         `json:"txProofs"`
-	FullHash   string             `json:"fullHash"`
-}
-
-// Query4Jrpc query jrpc
-type Query4Jrpc struct {
-	Execer   string          `json:"execer"`
-	FuncName string          `json:"funcName"`
-	Payload  json.RawMessage `json:"payload"`
-}

sdk/crypto/address.go

-package crypto
-
-import (
-	"crypto/sha256"
-	"fmt"
-	"github.com/mr-tron/base58/base58"
-)
-
-//不同币种的前缀版本号
-var coinPrefix = map[string][]byte{
-	"BTC":  {0x00},
-	"BCH":  {0x00},
-	"BTY":  {0x00},
-	"LTC":  {0x30},
-	"ZEC":  {0x1c, 0xb8},
-	"USDT": {0x00},
-}
-
-var addrSeed = []byte("address seed bytes for public key")
-
-//MaxExecNameLength 执行器名最大长度
-const MaxExecNameLength = 100
-
-func PubKeyToAddress(pub []byte) (addr string, err error) {
-	if len(pub) != 33 && len(pub) != 65 { //压缩格式 与 非压缩格式
-		return "", fmt.Errorf("invalid public key byte")
-	}
-
-	//添加版本号
-	hash160res := append(coinPrefix["BTY"], Rimp160(pub)...)
-
-	//添加校验码
-	cksum := checksum(hash160res)
-	address := append(hash160res, cksum[:]...)
-
-	//地址进行base58编码
-	addr = base58.Encode(address)
-	return
-}
-
-//checksum: first four bytes of double-SHA256.
-func checksum(input []byte) (cksum [4]byte) {
-	h := sha256.New()
-	_, err := h.Write(input)
-	if err != nil {
-		return
-	}
-	intermediateHash := h.Sum(nil)
-	h.Reset()
-	_, err = h.Write(intermediateHash)
-	if err != nil {
-		return
-	}
-	finalHash := h.Sum(nil)
-	copy(cksum[:], finalHash[:])
-	return
-}
-
-func GetExecAddress(name string) string {
-	if len(name) > MaxExecNameLength {
-		panic("name too long")
-	}
-	var bname [200]byte
-	buf := append(bname[:0], addrSeed...)
-	buf = append(buf, []byte(name)...)
-	pub := Sha2Sum(buf)
-
-	var ad [25]byte
-	ad[0] = 0
-	copy(ad[1:21], Rimp160(pub))
-
-	sh := Sha2Sum(ad[0:21])
-	checksum := make([]byte, 4)
-	copy(checksum, sh[:4])
-
-	copy(ad[21:25], checksum[:])
-	addr := base58.Encode(ad[:])
-
-	return addr
-}
\ No newline at end of file

sdk/crypto/aes.go

-package crypto
-
-import (
-	"bytes"
-	"crypto/aes"
-	"crypto/cipher"
-	"crypto/rand"
-	"errors"
-	"io"
-)
-
-const (
-	AESPrivateKeyLength = 16
-)
-
-func pkcs7Padding(src []byte) []byte {
-	padding := aes.BlockSize - len(src)%aes.BlockSize
-	padtext := bytes.Repeat([]byte{byte(padding)}, padding)
-	return append(src, padtext...)
-}
-
-func aesCBCEncrypt(key, s []byte) ([]byte, error) {
-	return aesCBCEncryptWithRand(rand.Reader, key, s)
-}
-
-func aesCBCEncryptWithRand(prng io.Reader, key, s []byte) ([]byte, error) {
-	if len(s)%aes.BlockSize != 0 {
-		return nil, errors.New("Invalid plaintext. It must be a multiple of the block size")
-	}
-
-	block, err := aes.NewCipher(key)
-	if err != nil {
-		return nil, err
-	}
-
-	ciphertext := make([]byte, aes.BlockSize+len(s))
-	iv := ciphertext[:aes.BlockSize]
-	if _, err := io.ReadFull(prng, iv); err != nil {
-		return nil, err
-	}
-
-	mode := cipher.NewCBCEncrypter(block, iv)
-	mode.CryptBlocks(ciphertext[aes.BlockSize:], s)
-
-	return ciphertext, nil
-}
-
-func aesCBCDecrypt(key, src []byte) ([]byte, error) {
-	block, err := aes.NewCipher(key)
-	if err != nil {
-		return nil, err
-	}
-
-	if len(src) < aes.BlockSize {
-		return nil, errors.New("Invalid ciphertext. It must be a multiple of the block size")
-	}
-	iv := src[:aes.BlockSize]
-	src = src[aes.BlockSize:]
-
-	if len(src)%aes.BlockSize != 0 {
-		return nil, errors.New("Invalid ciphertext. It must be a multiple of the block size")
-	}
-
-	mode := cipher.NewCBCDecrypter(block, iv)
-
-	mode.CryptBlocks(src, src)
-
-	return src, nil
-}
-
-func pkcs7UnPadding(src []byte) ([]byte, error) {
-	length := len(src)
-	unpadding := int(src[length-1])
-
-	if unpadding > aes.BlockSize || unpadding == 0 {
-		return nil, errors.New("Invalid pkcs7 padding (unpadding > aes.BlockSize || unpadding == 0)")
-	}
-
-	pad := src[len(src)-unpadding:]
-	for i := 0; i < unpadding; i++ {
-		if pad[i] != byte(unpadding) {
-			return nil, errors.New("Invalid pkcs7 padding (pad[i] != unpadding)")
-		}
-	}
-
-	return src[:(length - unpadding)], nil
-}
-
-func AESCBCPKCS7Encrypt(key, src []byte) ([]byte, error) {
-	tmp := pkcs7Padding(src)
-
-	return aesCBCEncrypt(key, tmp)
-}
-
-func AESCBCPKCS7Decrypt(key, src []byte) ([]byte, error) {
-	pt, err := aesCBCDecrypt(key, src)
-	if err == nil {
-		return pkcs7UnPadding(pt)
-	}
-	return nil, err
-}
-
-func GenetateAESKey() []byte {
-	return getRandBytes(AESPrivateKeyLength)
-}
\ No newline at end of file

sdk/crypto/btcSigner.go

-package crypto
-
-import (
-	"bytes"
-	"crypto/rand"
-	secp256k1 "github.com/btcsuite/btcd/btcec"
-)
-
-var (
-	SECP256K1 = "secp256k1"
-	SM2       = "sm2"
-	ED25519   = "ed25519" //TODO
-)
-
-func GeneratePrivateKey() []byte {
-	privKeyBytes := make([]byte, 32)
-	for {
-		key := getRandBytes(32)
-		if bytes.Compare(key, secp256k1.S256().Params().N.Bytes()) >= 0 {
-			continue
-		}
-		copy(privKeyBytes[:], key)
-		break
-	}
-
-	priv, _ := secp256k1.PrivKeyFromBytes(secp256k1.S256(), privKeyBytes[:])
-	copy(privKeyBytes[:], priv.Serialize())
-	return privKeyBytes
-}
-
-func PubKeyFromPrivate(privKey []byte) []byte {
-	_, pub := secp256k1.PrivKeyFromBytes(secp256k1.S256(), privKey[:])
-	pubSecp256k1 := make([]byte, 33)
-	copy(pubSecp256k1[:], pub.SerializeCompressed())
-	return pubSecp256k1
-}
-
-func Sign(msg []byte, privKey []byte) []byte {
-	priv, _ := secp256k1.PrivKeyFromBytes(secp256k1.S256(), privKey[:])
-	sig, err := priv.Sign(Sha256(msg))
-	if err != nil {
-		panic("Error signing secp256k1" + err.Error())
-	}
-	return sig.Serialize()
-}
-
-func PrivateFromByte(privKey []byte) *secp256k1.PrivateKey {
-	priv, _ := secp256k1.PrivKeyFromBytes(secp256k1.S256(), privKey[:])
-	return priv
-}
-
-func PublicFromByte(pubKey []byte) *secp256k1.PublicKey {
-	pub, _ := secp256k1.ParsePubKey(pubKey, secp256k1.S256())
-	return pub
-}
-
-func getRandBytes(numBytes int) []byte {
-	b := make([]byte, numBytes)
-	_, err := rand.Read(b)
-	if err != nil {
-		panic("Panic on a Crisis" + err.Error())
-	}
-	return b
-}
\ No newline at end of file

sdk/crypto/crypto_test.go

-package  crypto
-
-import (
-	"fmt"
-	"github.com/33cn/chain33-sdk-go/crypto/gm"
-	"github.com/33cn/chain33-sdk-go/types"
-	"github.com/stretchr/testify/assert"
-	"testing"
-)
-
-func TestAES(t *testing.T) {
-	var text = "hello aes"
-	var key = getRandBytes(16)
-
-	cipherText, err := AESCBCPKCS7Encrypt(key, []byte(text))
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	cipher, err := AESCBCPKCS7Decrypt(key, cipherText)
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	assert.Equal(t, text, string(cipher))
-}
-
-func TestSign(t *testing.T) {
-	priv, _ := types.FromHex("0xc2b31057b8692a56c7dd18199df71c1d21b781c0b6858c52997c9dbf778e8550")
-	msg := []byte("sign test")
-
-	sig := Sign(msg, priv)
-
-	fmt.Printf("sig = %x\n", sig)
-
-}
-
-func TestSM2(t *testing.T) {
-	priv, pub := gm.GenetateKey()
-	fmt.Println(types.ToHex(pub))
-
-	msg := []byte("sign test")
-
-	sig := gm.SM2Sign(msg, priv, nil)
-	fmt.Printf("sig = %x\n", sig)
-
-	result := gm.SM2Verify(msg, pub, sig, nil)
-	fmt.Println(result)
-}
-
-func TestSM4(t *testing.T) {
-	key := []byte{0x1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}
-	fmt.Printf("key = %v\n", key)
-	data := []byte{0x1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}
-	fmt.Printf("data = %x\n", data)
-	d0 := gm.SM4Encrypt(key, data)
-	fmt.Printf("d0 = %x\n", d0)
-	d1 := gm.SM4Decrypt(key, d0)
-	fmt.Printf("d1 = %x\n", d1)
-
-	assert.Equal(t, data, d1)
-}
-
-func TestAddress(t *testing.T) {
-	priv, _ := types.FromHex("0xc2b31057b8692a56c7dd18199df71c1d21b781c0b6858c52997c9dbf778e8550")
-
-	pub := PubKeyFromPrivate(priv)
-	fmt.Println(types.ToHex(pub))
-
-	addr, err := PubKeyToAddress(pub)
-	if err != nil {
-		panic(err)
-	}
-
-	fmt.Println(addr)
-}
-
-func TestKDF(t *testing.T) {
-	key := []byte{0x1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x11}
-
-	keyf := KDF(key, 32)
-	fmt.Println(keyf)
-	fmt.Println(len(keyf))
-}

sdk/crypto/hash.go

-package crypto
-
-import (
-	"crypto/sha256"
-	"golang.org/x/crypto/ripemd160"
-	"math/big"
-)
-
-
-func Sha256(b []byte) []byte {
-	hasher := sha256.New()
-	hasher.Write(b)
-	return hasher.Sum(nil)
-}
-
-func Sha2Sum(b []byte) []byte {
-	tmp := sha256.Sum256(b)
-	tmp = sha256.Sum256(tmp[:])
-	return tmp[:]
-}
-
-func rimpHash(in []byte, out []byte) {
-	sha := sha256.New()
-	_, err := sha.Write(in)
-	if err != nil {
-		return
-	}
-	rim := ripemd160.New()
-	_, err = rim.Write(sha.Sum(nil)[:])
-	if err != nil {
-		return
-	}
-	copy(out, rim.Sum(nil))
-}
-
-// Rimp160 Returns hash: RIMP160( SHA256( data ) )
-// Where possible, using RimpHash() should be a bit faster
-func Rimp160(b []byte) []byte {
-	out := make([]byte, 20)
-	rimpHash(b, out[:])
-	return out[:]
-}
-
-func KDF(x []byte, length int) []byte {
-	var c []byte
-
-	var ct int64 = 1
-	h := sha256.New()
-	for i, j := 0, (length+31)/32; i < j; i++ {
-		h.Reset()
-		h.Write(x)
-		h.Write(big.NewInt(ct).Bytes())
-		hash := h.Sum(nil)
-		if i+1 == j && length%32 != 0 {
-			c = append(c, hash[:length%32]...)
-		} else {
-			c = append(c, hash...)
-		}
-		ct++
-	}
-
-	return c
-}
\ No newline at end of file

sdk/pre.go

-package sdk
-
-import (
-	"crypto/rand"
-	"errors"
-	"fmt"
-	secp256k1 "github.com/btcsuite/btcd/btcec"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/crypto"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/types"
-	"golang.org/x/crypto/blake2b"
-	"math/big"
-)
-
-var baseN = secp256k1.S256().Params().N
-
-type KFrag struct {
-	Random    string
-	Value     string
-	PrecurPub string
-}
-
-type ReKeyFrag struct {
-	ReKeyR    string
-	ReKeyU    string
-	Random    string
-	PrecurPub string
-}
-
-type EccPoit struct {
-	x *big.Int
-	y *big.Int
-}
-
-func NewEccPoint(pubStr string) (*EccPoit, error) {
-	reKeyRByte, err := types.FromHex(pubStr)
-	if err != nil {
-		fmt.Errorf("get reKeyRByte err", err)
-		return nil, err
-	}
-	reKeyR := crypto.PublicFromByte(reKeyRByte)
-	return &EccPoit{x: reKeyR.X, y: reKeyR.Y}, nil
-}
-
-func (p *EccPoit) Add(v *EccPoit) *EccPoit {
-	if v == nil {
-		return p
-	}
-
-	p.x, p.y = secp256k1.S256().Add(p.x, p.y, v.x, v.y)
-
-	return p
-}
-
-func (p *EccPoit) MulInt(i *big.Int) *EccPoit {
-	p.x, p.y = secp256k1.S256().ScalarMult(p.x, p.y, i.Bytes())
-
-	return p
-}
-
-func (p *EccPoit) ToPublicKey() *secp256k1.PublicKey {
-	return &secp256k1.PublicKey{
-		X: p.x,
-		Y: p.y,
-		Curve: secp256k1.S256(),
-	}
-}
-
-func hashToModInt(digest []byte) *big.Int {
-	orderBits := baseN.BitLen()
-	orderBytes := (orderBits + 7) / 8
-	if len(digest) > orderBytes {
-		digest = digest[:orderBytes]
-	}
-
-	ret := new(big.Int).SetBytes(digest)
-	excess := len(digest)*8 - orderBits
-	if excess > 0 {
-		ret.Rsh(ret, uint(excess))
-	}
-	return ret
-}
-
-func makeShamirPolyCoeff(threshold int) []*big.Int {
-	coeffs := make([]*big.Int, threshold-1)
-	for i,_ := range coeffs {
-		coeffs[i] = new(big.Int).SetBytes(crypto.GeneratePrivateKey())
-	}
-
-	return coeffs
-}
-
-// p0*x^2 + p1 * x + p2
-func hornerPolyEval(poly []*big.Int, x *big.Int) *big.Int {
-	result := big.NewInt(0)
-	result.Add(result, poly[0])
-	for i := 1; i < len(poly); i++ {
-		result = result.Mul(result, x).Add(result, poly[i])
-	}
-	return result.Mod(result, baseN)
-}
-
-func calcPart(a *big.Int, b *big.Int) *big.Int {
-	p := big.NewInt(0)
-	p.Sub(a, b).Mod(p, baseN)
-
-	res := big.NewInt(0)
-	res.Mul(a, p.ModInverse(p, baseN)).Mod(res, baseN)
-
-	return res
-}
-
-func calcLambdaCoeff(inId *big.Int, selectedIds []*big.Int) *big.Int {
-	var ids []*big.Int
-	for _, id := range selectedIds {
-		if inId.Cmp(id) == 0 {
-			continue
-		}
-		ids = append(ids, id)
-	}
-
-	if len(ids) == 0 {
-		return big.NewInt(1)
-	}
-
-	result := calcPart(ids[0], inId)
-	if len(ids) > 1 {
-		for _, id_j := range ids[1:] {
-			result.Mul(result, calcPart(id_j, inId)).Mod(result, baseN)
-		}
-	}
-
-	return result
-}
-
-func getRandomInt(order *big.Int) *big.Int {
-	randInt, err := rand.Int(rand.Reader, order)
-	if err != nil {
-		panic(err)
-	}
-	return randInt
-}
-
-func GeneratePreEncryptKey(pubOwner []byte) ([]byte, string, string) {
-	pubOwnerKey := crypto.PublicFromByte(pubOwner)
-
-	priv_r := crypto.PrivateFromByte(crypto.GeneratePrivateKey())
-	priv_u := crypto.PrivateFromByte(crypto.GeneratePrivateKey())
-
-	result := &secp256k1.PublicKey{}
-	result.Curve = pubOwnerKey.Curve
-	sum := big.NewInt(0)
-	sum.Add(priv_u.D, priv_r.D).Mod(sum, baseN)
-	result.X, result.Y = secp256k1.S256().ScalarMult(pubOwnerKey.X, pubOwnerKey.Y, sum.Bytes())
-
-	pub_r := types.ToHex((*secp256k1.PublicKey)(&priv_r.PublicKey).SerializeCompressed())
-	pub_u := types.ToHex((*secp256k1.PublicKey)(&priv_u.PublicKey).SerializeCompressed())
-
-	share_key := crypto.KDF(result.SerializeCompressed(), 32)
-	return share_key, pub_r, pub_u
-}
-
-func GenerateKeyFragments(privOwner []byte, pubRecipient []byte, numSplit, threshold int) ([]*KFrag, error) {
-	precursor := crypto.PrivateFromByte(crypto.GeneratePrivateKey())
-	precurPub := types.ToHex((*secp256k1.PublicKey)(&precursor.PublicKey).SerializeCompressed())
-
-	privOwnerKey := crypto.PrivateFromByte(privOwner)
-	pubRecipientKey := crypto.PublicFromByte(pubRecipient)
-
-	dh_Alice_poit_x := types.ECDH(precursor, pubRecipientKey)
-	dAliceHash, err := blake2b.New256(precursor.X.Bytes())
-	if err != nil {
-		fmt.Errorf("Generate precursor Key err", err)
-		return nil, err
-	}
-	dAliceHash.Write(pubRecipientKey.X.Bytes())
-	dAliceHash.Write(dh_Alice_poit_x)
-	dAlice := dAliceHash.Sum(nil)
-	dAliceBN := hashToModInt(dAlice)
-
-	// c0, c1, c2
-	f0 := big.NewInt(0)
-	f0.Mul(privOwnerKey.D, f0.ModInverse(dAliceBN, baseN)).Mod(f0, baseN)
-
-	kFrags := make([]*KFrag, numSplit)
-	if numSplit == 1 {
-		id := getRandomInt(baseN)
-		kFrags[0] = &KFrag{Random: id.String(), Value: f0.String(), PrecurPub: precurPub}
-	} else {
-		coeffs := makeShamirPolyCoeff(threshold)
-		coeffs = append(coeffs, f0)
-
-		// rk[i] = f2*id^2 + f1*id + f0
-		for i, _ := range kFrags {
-			id := getRandomInt(baseN)
-			dShareHash, err := blake2b.New256(precursor.X.Bytes())
-			if err != nil {
-				fmt.Errorf("Generate precursor Key err", err)
-				return nil, err
-			}
-			dShareHash.Write(pubRecipientKey.X.Bytes())
-			dShareHash.Write(dh_Alice_poit_x)
-			dShareHash.Write(id.Bytes())
-			share := hashToModInt(dShareHash.Sum(nil))
-			rk := hornerPolyEval(coeffs, share)
-			kFrags[i] = &KFrag{Random: id.String(), Value: rk.String(), PrecurPub: precurPub}
-		}
-	}
-
-	return kFrags, nil
-}
-
-func AssembleReencryptFragment(privRecipient []byte, reKeyFrags []*ReKeyFrag) ([]byte, error) {
-	privRecipientKey := crypto.PrivateFromByte(privRecipient)
-	precursor, err := types.FromHex(reKeyFrags[0].PrecurPub)
-	if err != nil {
-		fmt.Errorf("FromHex", err)
-		return nil, err
-	}
-	precursorPubKey := crypto.PublicFromByte(precursor)
-	dh_Bob_poit_x := types.ECDH(privRecipientKey, precursorPubKey)
-	dBobHash, err := blake2b.New256(precursorPubKey.X.Bytes())
-	if err != nil {
-		fmt.Errorf("Generate precursor Key err", err)
-		return nil, err
-	}
-	dBobHash.Write(privRecipientKey.X.Bytes())
-	dBobHash.Write(dh_Bob_poit_x)
-	dhBob := dBobHash.Sum(nil)
-	dhBobBN := hashToModInt(dhBob)
-
-	var result *EccPoit
-	if len(reKeyFrags) == 1 {
-		rPoint, err := NewEccPoint(reKeyFrags[0].ReKeyR)
-		if err != nil {
-			fmt.Errorf("get reKeyRByte err", err)
-			return nil, err
-		}
-		uPoint, err := NewEccPoint(reKeyFrags[0].ReKeyU)
-		if err != nil {
-			fmt.Errorf("get reKeyRByte err", err)
-			return nil, err
-		}
-
-		result = rPoint.Add(uPoint).MulInt(dhBobBN)
-	} else {
-		var eFinal, vFinal *EccPoit
-
-		ids := make([]*big.Int, len(reKeyFrags))
-		for x, _ := range ids {
-			xs, err := blake2b.New256(precursorPubKey.X.Bytes())
-			if err != nil {
-				fmt.Errorf("Generate precursor Key err", err)
-				return nil, err
-			}
-			xs.Write(privRecipientKey.X.Bytes())
-			xs.Write(dh_Bob_poit_x)
-			random, ret := new(big.Int).SetString(reKeyFrags[x].Random, 10)
-			if !ret {
-				fmt.Errorf("AssembleReencryptFragment.get value int",)
-				return nil, errors.New("get big int value from keyFragment failed")
-			}
-			xs.Write(random.Bytes())
-			ids[x] = hashToModInt(xs.Sum(nil))
-		}
-
-		for i, id := range ids {
-			lambda := calcLambdaCoeff(id, ids)
-			if lambda == nil {
-				continue
-			}
-			rPoint, err := NewEccPoint(reKeyFrags[i].ReKeyR)
-			if err != nil {
-				fmt.Errorf("get reKeyRByte err", err)
-				return nil, err
-			}
-			uPoint, err := NewEccPoint(reKeyFrags[i].ReKeyU)
-			if err != nil {
-				fmt.Errorf("get reKeyRByte err", err)
-				return nil, err
-			}
-			e := rPoint.MulInt(lambda)
-			v := uPoint.MulInt(lambda)
-			eFinal = e.Add(eFinal)
-			vFinal = v.Add(vFinal)
-		}
-		result = eFinal.Add(vFinal).MulInt(dhBobBN)
-	}
-
-	share_key := crypto.KDF(result.ToPublicKey().SerializeCompressed(), 32)
-	return share_key, nil
-}
\ No newline at end of file

sdk/proto/create_protobuf.sh

-#!/bin/sh
-
-protoc --go_out=plugins=grpc:../types/ ./*.proto --proto_path=.

sdk/proto/sdk.proto

-syntax = "proto3";
-
-package types;
-
-message Transaction {
-    bytes     execer    = 1;
-    bytes     payload   = 2;
-    Signature signature = 3;
-    int64     fee       = 4;
-    int64     expire    = 5;
-    //随机ID，可以防止payload 相同的时候，交易重复
-    int64 nonce = 6;
-    //对方地址，如果没有对方地址，可以为空
-    string to         = 7;
-    int32  groupCount = 8;
-    bytes  header     = 9;
-    bytes  next       = 10;
-}
-
-message Signature {
-    int32 ty     = 1;
-    bytes pubkey = 2;
-    //当ty为5时，格式应该用RingSignature去解析
-    bytes signature = 3;
-}

sdk/transaction.go

-package sdk
-
-import (
-	"errors"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/crypto"
-	. "gitlab.33.cn/pengjun/reencrypt/sdk/types"
-)
-
-func Sign(tx *Transaction, privateKey []byte, signType string) (*Transaction, error) {
-	if signType == "" {
-		signType = crypto.SECP256K1
-	}
-
-	tx.Signature = nil
-	if signType == crypto.SECP256K1 {
-		pub := crypto.PubKeyFromPrivate(privateKey)
-
-		data := Encode(tx)
-		signature := crypto.Sign(data, privateKey)
-		tx.Signature = &Signature{
-			Ty:        1,
-			Pubkey:    pub,
-			Signature: signature,
-		}
-	} else if signType == crypto.SM2 {
-        // TODO
-	} else if signType == crypto.ED25519 {
-		// TODO
-	} else {
-		return nil, errors.New("sign type not support")
-	}
-
-	return tx, nil
-}
-
-func cloneTx(tx *Transaction) *Transaction {
-	copytx := &Transaction{}
-	copytx.Execer = tx.Execer
-	copytx.Payload = tx.Payload
-	copytx.Signature = tx.Signature
-	copytx.Fee = tx.Fee
-	copytx.Expire = tx.Expire
-	copytx.Nonce = tx.Nonce
-	copytx.To = tx.To
-	copytx.GroupCount = tx.GroupCount
-	copytx.Header = tx.Header
-	copytx.Next = tx.Next
-	return copytx
-}
-
-func Hash(tx *Transaction) []byte {
-	copytx := cloneTx(tx)
-	copytx.Signature = nil
-	copytx.Header = nil
-	data := Encode(copytx)
-	return crypto.Sha256(data)
-}
\ No newline at end of file

sdk/types/sdk.pb.go

-// Code generated by protoc-gen-go. DO NOT EDIT.
-// source: sdk.proto
-
-package types
-
-import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
-)
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
-
-type Transaction struct {
-	Execer    []byte     `protobuf:"bytes,1,opt,name=execer,proto3" json:"execer,omitempty"`
-	Payload   []byte     `protobuf:"bytes,2,opt,name=payload,proto3" json:"payload,omitempty"`
-	Signature *Signature `protobuf:"bytes,3,opt,name=signature,proto3" json:"signature,omitempty"`
-	Fee       int64      `protobuf:"varint,4,opt,name=fee,proto3" json:"fee,omitempty"`
-	Expire    int64      `protobuf:"varint,5,opt,name=expire,proto3" json:"expire,omitempty"`
-	//随机ID，可以防止payload 相同的时候，交易重复
-	Nonce int64 `protobuf:"varint,6,opt,name=nonce,proto3" json:"nonce,omitempty"`
-	//对方地址，如果没有对方地址，可以为空
-	To                   string   `protobuf:"bytes,7,opt,name=to,proto3" json:"to,omitempty"`
-	GroupCount           int32    `protobuf:"varint,8,opt,name=groupCount,proto3" json:"groupCount,omitempty"`
-	Header               []byte   `protobuf:"bytes,9,opt,name=header,proto3" json:"header,omitempty"`
-	Next                 []byte   `protobuf:"bytes,10,opt,name=next,proto3" json:"next,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *Transaction) Reset()         { *m = Transaction{} }
-func (m *Transaction) String() string { return proto.CompactTextString(m) }
-func (*Transaction) ProtoMessage()    {}
-func (*Transaction) Descriptor() ([]byte, []int) {
-	return fileDescriptor_70decb0fb6f436df, []int{0}
-}
-
-func (m *Transaction) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Transaction.Unmarshal(m, b)
-}
-func (m *Transaction) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Transaction.Marshal(b, m, deterministic)
-}
-func (m *Transaction) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Transaction.Merge(m, src)
-}
-func (m *Transaction) XXX_Size() int {
-	return xxx_messageInfo_Transaction.Size(m)
-}
-func (m *Transaction) XXX_DiscardUnknown() {
-	xxx_messageInfo_Transaction.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Transaction proto.InternalMessageInfo
-
-func (m *Transaction) GetExecer() []byte {
-	if m != nil {
-		return m.Execer
-	}
-	return nil
-}
-
-func (m *Transaction) GetPayload() []byte {
-	if m != nil {
-		return m.Payload
-	}
-	return nil
-}
-
-func (m *Transaction) GetSignature() *Signature {
-	if m != nil {
-		return m.Signature
-	}
-	return nil
-}
-
-func (m *Transaction) GetFee() int64 {
-	if m != nil {
-		return m.Fee
-	}
-	return 0
-}
-
-func (m *Transaction) GetExpire() int64 {
-	if m != nil {
-		return m.Expire
-	}
-	return 0
-}
-
-func (m *Transaction) GetNonce() int64 {
-	if m != nil {
-		return m.Nonce
-	}
-	return 0
-}
-
-func (m *Transaction) GetTo() string {
-	if m != nil {
-		return m.To
-	}
-	return ""
-}
-
-func (m *Transaction) GetGroupCount() int32 {
-	if m != nil {
-		return m.GroupCount
-	}
-	return 0
-}
-
-func (m *Transaction) GetHeader() []byte {
-	if m != nil {
-		return m.Header
-	}
-	return nil
-}
-
-func (m *Transaction) GetNext() []byte {
-	if m != nil {
-		return m.Next
-	}
-	return nil
-}
-
-type Signature struct {
-	Ty     int32  `protobuf:"varint,1,opt,name=ty,proto3" json:"ty,omitempty"`
-	Pubkey []byte `protobuf:"bytes,2,opt,name=pubkey,proto3" json:"pubkey,omitempty"`
-	//当ty为5时，格式应该用RingSignature去解析
-	Signature            []byte   `protobuf:"bytes,3,opt,name=signature,proto3" json:"signature,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *Signature) Reset()         { *m = Signature{} }
-func (m *Signature) String() string { return proto.CompactTextString(m) }
-func (*Signature) ProtoMessage()    {}
-func (*Signature) Descriptor() ([]byte, []int) {
-	return fileDescriptor_70decb0fb6f436df, []int{1}
-}
-
-func (m *Signature) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Signature.Unmarshal(m, b)
-}
-func (m *Signature) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Signature.Marshal(b, m, deterministic)
-}
-func (m *Signature) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Signature.Merge(m, src)
-}
-func (m *Signature) XXX_Size() int {
-	return xxx_messageInfo_Signature.Size(m)
-}
-func (m *Signature) XXX_DiscardUnknown() {
-	xxx_messageInfo_Signature.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Signature proto.InternalMessageInfo
-
-func (m *Signature) GetTy() int32 {
-	if m != nil {
-		return m.Ty
-	}
-	return 0
-}
-
-func (m *Signature) GetPubkey() []byte {
-	if m != nil {
-		return m.Pubkey
-	}
-	return nil
-}
-
-func (m *Signature) GetSignature() []byte {
-	if m != nil {
-		return m.Signature
-	}
-	return nil
-}
-
-func init() {
-	proto.RegisterType((*Transaction)(nil), "types.Transaction")
-	proto.RegisterType((*Signature)(nil), "types.Signature")
-}
-
-func init() {
-	proto.RegisterFile("sdk.proto", fileDescriptor_70decb0fb6f436df)
-}
-
-var fileDescriptor_70decb0fb6f436df = []byte{
-	// 255 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x5c, 0x90, 0x41, 0x4e, 0xc3, 0x30,
-	0x10, 0x45, 0xe5, 0xa4, 0x49, 0xc9, 0xb4, 0x42, 0xd5, 0x08, 0xa1, 0x59, 0x20, 0x14, 0x75, 0xe5,
-	0x55, 0x16, 0x70, 0x04, 0x4e, 0x80, 0xe1, 0x02, 0x6e, 0x32, 0x94, 0xa8, 0xc8, 0xb6, 0x1c, 0x47,
-	0xaa, 0xcf, 0xc0, 0xa5, 0x51, 0x9c, 0x14, 0x2a, 0x76, 0xf3, 0x5e, 0xa2, 0x3f, 0x9e, 0x0f, 0xd5,
-	0xd0, 0x9d, 0x1a, 0xe7, 0x6d, 0xb0, 0x58, 0x84, 0xe8, 0x78, 0xd8, 0x7f, 0x67, 0xb0, 0x79, 0xf7,
-	0xda, 0x0c, 0xba, 0x0d, 0xbd, 0x35, 0x78, 0x0f, 0x25, 0x9f, 0xb9, 0x65, 0x4f, 0xa2, 0x16, 0x72,
-	0xab, 0x16, 0x42, 0x82, 0xb5, 0xd3, 0xf1, 0xcb, 0xea, 0x8e, 0xb2, 0xf4, 0xe1, 0x82, 0xd8, 0x40,
-	0x35, 0xf4, 0x47, 0xa3, 0xc3, 0xe8, 0x99, 0xf2, 0x5a, 0xc8, 0xcd, 0xd3, 0xae, 0x49, 0xe1, 0xcd,
-	0xdb, 0xc5, 0xab, 0xbf, 0x5f, 0x70, 0x07, 0xf9, 0x07, 0x33, 0xad, 0x6a, 0x21, 0x73, 0x35, 0x8d,
-	0xf3, 0x4e, 0xd7, 0x7b, 0xa6, 0x22, 0xc9, 0x85, 0xf0, 0x0e, 0x0a, 0x63, 0x4d, 0xcb, 0x54, 0x26,
-	0x3d, 0x03, 0xde, 0x42, 0x16, 0x2c, 0xad, 0x6b, 0x21, 0x2b, 0x95, 0x05, 0x8b, 0x8f, 0x00, 0x47,
-	0x6f, 0x47, 0xf7, 0x62, 0x47, 0x13, 0xe8, 0xa6, 0x16, 0xb2, 0x50, 0x57, 0x66, 0x4a, 0xff, 0x64,
-	0xdd, 0xb1, 0xa7, 0x6a, 0xbe, 0x68, 0x26, 0x44, 0x58, 0x19, 0x3e, 0x07, 0x82, 0x64, 0xd3, 0xbc,
-	0x7f, 0x85, 0xea, 0xf7, 0xcd, 0x69, 0x51, 0x4c, 0x35, 0x14, 0x2a, 0x0b, 0x71, 0x0a, 0x72, 0xe3,
-	0xe1, 0xc4, 0x71, 0x69, 0x60, 0x21, 0x7c, 0xf8, 0x5f, 0xc0, 0xf6, 0xea, 0xdc, 0x43, 0x99, 0xea,
-	0x7e, 0xfe, 0x09, 0x00, 0x00, 0xff, 0xff, 0x21, 0x50, 0x6b, 0x04, 0x7b, 0x01, 0x00, 0x00,
-}

sdk/types/utils.go

-package types
-
-import (
-	"encoding/hex"
-	secp256k1 "github.com/btcsuite/btcd/btcec"
-	"github.com/golang/protobuf/proto"
-)
-
-//exec type
-const (
-	ExecErr  = 0
-	ExecPack = 1
-	ExecOk   = 2
-)
-
-//FromHex hex -> []byte
-func FromHex(s string) ([]byte, error) {
-	if len(s) > 1 {
-		if s[0:2] == "0x" || s[0:2] == "0X" {
-			s = s[2:]
-		}
-		if len(s)%2 == 1 {
-			s = "0" + s
-		}
-		return hex.DecodeString(s)
-	}
-	return []byte{}, nil
-}
-
-//ToHex []byte -> hex
-func ToHex(b []byte) string {
-	hex := hex.EncodeToString(b)
-	// Prefer output of "0x0" instead of "0x"
-	if len(hex) == 0 {
-		return ""
-	}
-	return hex
-}
-
-//ToHex []byte -> hex
-func ToHexPrefix(b []byte) string {
-	hex := hex.EncodeToString(b)
-	// Prefer output of "0x0" instead of "0x"
-	if len(hex) == 0 {
-		return ""
-	}
-	return "0x" + hex
-}
-
-//Encode  编码
-func Encode(data proto.Message) []byte {
-	b, err := proto.Marshal(data)
-	if err != nil {
-		panic(err)
-	}
-	return b
-}
-
-//Decode  解码
-func Decode(data []byte, msg proto.Message) error {
-	return proto.Unmarshal(data, msg)
-}
-
-// ECDH Calculate a shared secret using elliptic curve Diffie-Hellman
-func ECDH(priv *secp256k1.PrivateKey, pub *secp256k1.PublicKey) []byte {
-	ecKey := &secp256k1.PublicKey{}
-	ecKey.X, ecKey.Y = secp256k1.S256().ScalarMult(pub.X, pub.Y, priv.D.Bytes())
-	return ecKey.SerializeCompressed()
-}
\ No newline at end of file

server/preclient.go

@@ -8,9 +8,9 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"gitlab.33.cn/pengjun/reencrypt/sdk"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/client"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/types"
+	"github.com/33cn/chain33-sdk-go"
+	"github.com/33cn/chain33-sdk-go/client"
+	"github.com/33cn/chain33-sdk-go/types"
 	"time"
 )
 

server/rpchandler.go

@@ -2,11 +2,11 @@ package server
 
 import (
 	"errors"
+	"github.com/33cn/chain33-sdk-go/crypto"
+	"github.com/33cn/chain33-sdk-go/types"
 	secp256k1 "github.com/btcsuite/btcd/btcec"
 	"github.com/syndtr/goleveldb/leveldb"
 	"gitlab.33.cn/pengjun/reencrypt/common"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/crypto"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/types"
 	"math/big"
 	"time"
 )

server/server.go

@@ -9,8 +9,8 @@ package server
 import (
 	"bytes"
 	"fmt"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/client"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/types"
+	"github.com/33cn/chain33-sdk-go/client"
+	"github.com/33cn/chain33-sdk-go/types"
 
 	log "github.com/inconshreveable/log15"
 	"github.com/rs/cors"
@@ -209,7 +209,9 @@ func CheckExpireRoutine(db *leveldb.DB) {
 
 			if keyFragment.Expire != 0 && keyFragment.Expire <= now {
 				rlog.Info("Key Fragment Expired", "key", string(iter.Key()), "expire", keyFragment.Expire)
-				remove = append(remove, iter.Key())
+				tmpKey := make([]byte, len(iter.Key()))
+				copy(tmpKey, iter.Key())
+				remove = append(remove, tmpKey)
 			}
 		}
 

server/server_test.go

@@ -2,11 +2,11 @@ package server
 
 import (
 	"fmt"
+	"github.com/33cn/chain33-sdk-go"
+	"github.com/33cn/chain33-sdk-go/crypto"
+	"github.com/33cn/chain33-sdk-go/types"
 	"github.com/stretchr/testify/assert"
 	"gitlab.33.cn/pengjun/reencrypt/common"
-	"gitlab.33.cn/pengjun/reencrypt/sdk"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/crypto"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/types"
 	"testing"
 )
 

tool/cli.go

@@ -2,12 +2,12 @@ package main
 
 import (
 	"fmt"
+	"github.com/33cn/chain33-sdk-go"
+	client "github.com/33cn/chain33-sdk-go/client"
+	"github.com/33cn/chain33-sdk-go/crypto"
+	"github.com/33cn/chain33-sdk-go/types"
 	"github.com/spf13/cobra"
 	"gitlab.33.cn/pengjun/reencrypt/common"
-	"gitlab.33.cn/pengjun/reencrypt/sdk"
-	client "gitlab.33.cn/pengjun/reencrypt/sdk/client"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/crypto"
-	"gitlab.33.cn/pengjun/reencrypt/sdk/types"
 	"os"
 )
 
@@ -71,13 +71,12 @@ func ownerEncrypt(cmd *cobra.Command, args []string) {
 		rpcLaddr = "http://localhost:11801"
 	}
 
-	driver := crypto.NewSignDriver(crypto.SECP256k1)
 	keybyte, err := types.FromHex(key)
 	if err != nil {
 		panic(err)
 	}
-	pubOwner := driver.PubKeyFromPrivate(keybyte)
-	enKey, pub_r, pub_u := sdk.GenerateEncryptKey(pubOwner)
+	pubOwner := crypto.PubKeyFromPrivate(keybyte)
+	enKey, pub_r, pub_u := sdk.GeneratePreEncryptKey(pubOwner)
 	cipher, err := crypto.AESCBCPKCS7Encrypt(enKey[1:], []byte(msg))
 	if err != nil {
 		panic(err)
@@ -102,7 +101,7 @@ func ownerEncrypt(cmd *cobra.Command, args []string) {
 	if err != nil {
 		panic(err)
 	}
-	dhproof := types.ECDH(crypto.PrivateECDSAFromByte(keybyte), crypto.PublicECDSAFromByte(serverPub))
+	dhproof := types.ECDH(crypto.PrivateFromByte(keybyte), crypto.PublicFromByte(serverPub))
 	param := &common.ReqSendKeyFragment{
 		PubOwner:             types.ToHex(pubOwner),
 		PubRecipient:         pub,
@@ -142,12 +141,11 @@ func recipientDecrypt(cmd *cobra.Command, args []string) {
 	if err != nil {
 		panic(err)
 	}
-	driver := crypto.NewSignDriver(crypto.SECP256k1)
 	keybyte, err := types.FromHex(key)
 	if err != nil {
 		panic(err)
 	}
-	pubRecipient := driver.PubKeyFromPrivate(keybyte)
+	pubRecipient := crypto.PubKeyFromPrivate(keybyte)
 	param := &common.ReqReeencryptParam{
 		PubOwner:             pub,
 		PubRecipient:         types.ToHex(pubRecipient),
@@ -189,12 +187,11 @@ func addAccountInfoFlags(cmd *cobra.Command) {
 func accountInfo(cmd *cobra.Command, args []string) {
 	key, _ := cmd.Flags().GetString("key")
 
-	driver := crypto.NewSignDriver(crypto.SECP256k1)
 	keybyte, err := types.FromHex(key)
 	if err != nil {
 		panic(err)
 	}
-	pubKey := driver.PubKeyFromPrivate(keybyte)
+	pubKey := crypto.PubKeyFromPrivate(keybyte)
 	fmt.Println("public key:", types.ToHex(pubKey))
 
 	addr, err := crypto.PubKeyToAddress(pubKey)