#7 add sm2 cert

18b4e67b · pengjun · db9944a5 · 18b4e67b · 18b4e67b · 18b4e67b
Commit 18b4e67b authored Feb 24, 2021 by pengjun
16 changed files
--- a/account.go
+++ b/account.go
@@ -5,6 +5,8 @@ import (
 	"github.com/33cn/chain33-sdk-go/crypto"
 	"github.com/33cn/chain33-sdk-go/crypto/ed25519"
 	"github.com/33cn/chain33-sdk-go/crypto/gm"
+	"github.com/33cn/chain33-sdk-go/types"
+	log "github.com/inconshreveable/log15"
 )

 type Account struct {
@@ -14,6 +16,8 @@ type Account struct {
 	SignType    string
 }

+var rlog = log.New("module", "chain33 adk")
+
 func NewAccount(signType string) (*Account, error) {
    if signType == "" {
    	signType = crypto.SECP256K1
@@ -27,6 +31,7 @@ func NewAccount(signType string) (*Account, error) {

 		addr, err := crypto.PubKeyToAddress(account.PublicKey)
 		if err != nil {
+			rlog.Error("NewAccount.PubKeyToAddress", "error", err.Error())
 			return nil, err
 		}
 		account.Address = addr
@@ -34,12 +39,14 @@ func NewAccount(signType string) (*Account, error) {
 		account.PrivateKey, account.PublicKey = gm.GenerateKey()
 		addr, err := crypto.PubKeyToAddress(account.PublicKey)
 		if err != nil {
+			rlog.Error("NewAccount.PubKeyToAddress", "error", err.Error())
 			return nil, err
 		}
 		account.Address = addr
 	} else if signType == crypto.ED25519 {
 		priv, pub, err := ed25519.GenerateKey()
 		if err != nil {
+			rlog.Error("NewAccount.GenerateKey", "error", err.Error())
 			return nil, err
 		}
 		copy(account.PrivateKey, priv)
@@ -47,10 +54,58 @@ func NewAccount(signType string) (*Account, error) {

 		addr, err := crypto.PubKeyToAddress(account.PublicKey)
 		if err != nil {
+			rlog.Error("NewAccount.PubKeyToAddress", "error", err.Error())
 			return nil, err
 		}
 		account.Address = addr
 	} else {
+		rlog.Error("sign type not support")
+		return nil, errors.New("sign type not support")
+	}
+
+	return &account, nil
+}
+
+func NewAccountFromLocal(signType string, filePath string) (*Account, error) {
+	if signType == "" {
+		signType = crypto.SECP256K1
+	}
+
+	account := Account{}
+	account.SignType = signType
+
+	if signType == crypto.SECP256K1 {
+		//TODO
+		return nil, errors.New("not support")
+	} else if signType == crypto.SM2 {
+		content, err := types.ReadFile(filePath)
+		if err != nil {
+			rlog.Error("GetKeyByte.read key file failed.", "file", filePath, "error", err.Error())
+			return nil, err
+		}
+
+		keyBytes,err := types.FromHex(string(content))
+		if err != nil {
+			rlog.Error("GetKeyByte.FromHex.", "error", err.Error())
+			return nil, err
+		}
+
+		if len(keyBytes) != gm.SM2PrivateKeyLength {
+			rlog.Error("GetKeyByte.private key length error", "len", len(keyBytes), "expect", gm.SM2PrivateKeyLength)
+			return nil, errors.New("private key length error")
+		}
+		account.PrivateKey = keyBytes
+
+		account.PublicKey = gm.PubKeyFromPrivate(keyBytes)
+		addr, err := crypto.PubKeyToAddress(account.PublicKey)
+		if err != nil {
+			rlog.Error("NewAccount.PubKeyToAddress", "error", err.Error())
+			return nil, err
+		}
+		account.Address = addr
+	} else if signType == crypto.ED25519 {
+		return nil, errors.New("not support")
+	} else {
 		return nil, errors.New("sign type not support")
 	}


--- a/crypto/cert.go
+++ b/crypto/cert.go
+package crypto
+
+import "github.com/33cn/chain33-sdk-go/types"
+
+func EncodeCertToSignature(signBytes, cert, uid []byte) []byte {
+	var certSignature types.CertSignature
+	certSignature.Cert = cert
+	certSignature.Signature = signBytes
+	certSignature.Uid = uid
+
+	return types.Encode(&certSignature)
+}
--- a/crypto/crypto_test.go
+++ b/crypto/crypto_test.go
@@ -48,7 +48,7 @@ func TestSM2(t *testing.T) {

 	msg := []byte("sign test")

-	sig, _ := gm.SM2Sign(priv, msg,nil)
+	sig, _ := gm.SM2Sign(msg, priv,nil)
 	fmt.Printf("sig = %x\n", sig)

 	result := gm.SM2Verify(pub, msg, nil, sig)

--- a/crypto/gm/sm2.go
+++ b/crypto/gm/sm2.go
@@ -119,7 +119,7 @@ func GenerateKey() ([]byte, []byte) {
 	return SerializePrivateKey(priv), SerializePublicKey(pub)
 }

-func SM2Sign(privateKey []byte, msg []byte, uid []byte) ([]byte, error) {
+func SM2Sign(msg []byte, privateKey []byte, uid []byte) ([]byte, error) {
 	if uid == nil {
 		uid = DefaultUID
 	}

--- a/dapp/cert/cert.go
+++ b/dapp/cert/cert.go
+package cert
+
+import (
+	sdk "github.com/33cn/chain33-sdk-go"
+	"github.com/33cn/chain33-sdk-go/crypto"
+	"github.com/33cn/chain33-sdk-go/types"
+	"math/rand"
+	"time"
+)
+
+func CreateCertNormalTx(paraName string, privateKey []byte, cert []byte, uid []byte, key string, value []byte) (*types.Transaction, error) {
+	payload := &types.CertAction{
+		Value: &types.CertAction_Normal{
+			&types.CertNormal{
+				Key:   key,
+				Value: value,
+			},
+		},
+		Ty:    CertActionNormal,
+	}
+
+	var tx *types.Transaction
+	if paraName == "" {
+		tx = &types.Transaction{Execer: []byte(CertX), Payload: types.Encode(payload), Fee: 1e5, Nonce: rand.Int63n(time.Now().UnixNano()), To: crypto.GetExecAddress(CertX)}
+	} else {
+		tx = &types.Transaction{Execer: []byte(paraName + CertX), Payload: types.Encode(payload), Fee: 1e5, Nonce: rand.Int63n(time.Now().UnixNano()), To: crypto.GetExecAddress(paraName + CertX)}
+	}
+
+	var err error
+	tx,err = sdk.Sign(tx, privateKey, crypto.SM2, uid)
+	if err != nil {
+		return nil, err
+	}
+
+	tx.Signature.Signature = crypto.EncodeCertToSignature(tx.Signature.Signature, cert, uid)
+
+	return tx, nil
+}
--- a/dapp/cert/cert_test.go
+++ b/dapp/cert/cert_test.go
+package cert
+
+import (
+	sdk "github.com/33cn/chain33-sdk-go"
+	"github.com/33cn/chain33-sdk-go/client"
+	"github.com/33cn/chain33-sdk-go/crypto"
+	"github.com/33cn/chain33-sdk-go/types"
+	"github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+var (
+	url = "http://127.0.0.1:8801"
+	keyFilePath = "./test/keystore/5c3682a5719cf5bc1bd6280938670c3acfcb67cc15744a7b9b348066795a4e62_sk"
+	certFilePath = "./test/signcerts/user1@org1-cert.pem"
+)
+
+func TestCreateCertNormalTx(t *testing.T) {
+	account,err := sdk.NewAccountFromLocal(crypto.SM2, keyFilePath)
+	assert.Nil(t, err)
+
+	certByte,err := types.ReadFile(certFilePath)
+	assert.Nil(t, err)
+
+	tx, err := CreateCertNormalTx("", account.PrivateKey, certByte, []byte("cert test"), "key1", []byte("value1"))
+	assert.Nil(t, err)
+
+	jsonclient, err := client.NewJSONClient("", url)
+	assert.Nil(t, err)
+
+	signTx := types.ToHexPrefix(types.Encode(tx))
+	reply, err := jsonclient.SendTransaction(signTx)
+	assert.Nil(t, err)
+
+	txhash := types.ToHexPrefix(sdk.Hash(tx))
+	assert.Equal(t, txhash, reply)
+
+	time.Sleep(2 * time.Second)
+	detail, err := jsonclient.QueryTransaction(txhash)
+	assert.Nil(t, err)
+	assert.Equal(t, types.ExecOk, int(detail.Receipt.Ty))
+
+}
--- a/dapp/cert/const.go
+++ b/dapp/cert/const.go
+package cert
+
+const (
+	CertActionNew    = 1
+	CertActionUpdate = 2
+	CertActionNormal = 3
+)
+
+const CertX = "cert"
\ No newline at end of file
--- a/dapp/cert/test/keystore/5c3682a5719cf5bc1bd6280938670c3acfcb67cc15744a7b9b348066795a4e62_sk
+++ b/dapp/cert/test/keystore/5c3682a5719cf5bc1bd6280938670c3acfcb67cc15744a7b9b348066795a4e62_sk
+0x7c7b4ec9751189031546f0b4a26a31c5d4bcc2072058761c79253961e22bbff0
\ No newline at end of file
--- a/dapp/cert/test/signcerts/user1@org1-cert.pem
+++ b/dapp/cert/test/signcerts/user1@org1-cert.pem
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
--- a/dapp/storage/storage_test.go
+++ b/dapp/storage/storage_test.go
@@ -12,7 +12,7 @@ import (

 var (
 	privkey = "cc38546e9e659d15e6b4893f0ab32a06d103931a8230b0bde71459d2b27d6944"
-	url     = "http://fd.33.cn:1276"
+	url     = "http://127.0.0.1:8801"
 )

 func TestCreateContentStorageTx(t *testing.T) {
@@ -20,7 +20,7 @@ func TestCreateContentStorageTx(t *testing.T) {
 	tx, err := CreateContentStorageTx("", OpCreate, "", []byte("hello"), "")
 	assert.Nil(t, err)
 	hexbytes, _ := types.FromHex(privkey)
-	sdk.Sign(tx, hexbytes, crypto.SECP256K1)
+	sdk.Sign(tx, hexbytes, crypto.SECP256K1, nil)
 	txhash := types.ToHexPrefix(sdk.Hash(tx))
 	jsonclient, err := client.NewJSONClient("", url)
 	assert.Nil(t, err)
@@ -57,7 +57,7 @@ func TestCreateHashStorageTx(t *testing.T) {
 	assert.Nil(t, err)
 	//签名
 	hexbytes, _ := types.FromHex(privkey)
-	sdk.Sign(tx, hexbytes, crypto.SECP256K1)
+	sdk.Sign(tx, hexbytes, crypto.SECP256K1, nil)
 	txhash := types.ToHexPrefix(sdk.Hash(tx))
 	jsonclient, err := client.NewJSONClient("", url)
 	assert.Nil(t, err)
@@ -80,7 +80,7 @@ func TestCreateLinkStorageTx(t *testing.T) {
 	tx, err := CreateLinkStorageTx("", "", []byte("hello"), "")
 	assert.Nil(t, err)
 	hexbytes, _ := types.FromHex(privkey)
-	sdk.Sign(tx, hexbytes, crypto.SECP256K1)
+	sdk.Sign(tx, hexbytes, crypto.SECP256K1, nil)
 	txhash := types.ToHexPrefix(sdk.Hash(tx))
 	jsonclient, err := client.NewJSONClient("", url)
 	assert.Nil(t, err)

--- a/go.mod
+++ b/go.mod
@@ -3,30 +3,23 @@ module github.com/33cn/chain33-sdk-go
 go 1.12

 require (
-	github.com/NebulousLabs/Sia v1.3.7 // indirect
-	github.com/NebulousLabs/entropy-mnemonics v0.0.0-20181203154559-bc7e13c5ccd8 // indirect
-	github.com/NebulousLabs/errors v0.0.0-20181203160057-9f787ce8f69e // indirect
-	github.com/NebulousLabs/fastrand v0.0.0-20181203155948-6fb6489aac4e // indirect
-	github.com/NebulousLabs/merkletree v0.0.0-20181203152040-08d5d54b07f5 // indirect
-	github.com/XiaoMi/pegasus-go-client v0.0.0-20200509085530-e2f054e1ad99 // indirect
 	github.com/bitly/go-simplejson v0.5.0
-	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869
+	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 // indirect
 	github.com/btcsuite/btcd v0.0.0-20190824003749-130ea5bddde3
-	github.com/decred/base58 v1.0.2 // indirect
-	github.com/dgraph-io/badger v1.6.1 // indirect
-	github.com/golang/protobuf v1.3.4
-	github.com/haltingstate/secp256k1-go v0.0.0-20151224084235-572209b26df6 // indirect
-	github.com/hashicorp/golang-lru v0.5.4 // indirect
-	github.com/huin/goupnp v1.0.0 // indirect
-	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/golang/protobuf v1.4.3
+	github.com/inconshreveable/log15 v0.0.0-20201112154412-8562bdadbbac
+	github.com/kr/pretty v0.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.6 // indirect
 	github.com/mr-tron/base58 v1.1.3
-	github.com/pkg/errors v0.9.1 // indirect
-	github.com/rs/cors v1.7.0 // indirect
-	github.com/spf13/cobra v1.0.0 // indirect
 	github.com/stretchr/testify v1.5.1
-	github.com/syndtr/goleveldb v1.0.0 // indirect
 	github.com/tjfoc/gmsm v1.3.2
 	golang.org/x/crypto v0.0.0-20191219195013-becbf705a915
-	google.golang.org/grpc v1.29.1 // indirect
+	golang.org/x/net v0.0.0-20191105084925-a882066a44e0 // indirect
+	golang.org/x/text v0.3.2 // indirect
+	google.golang.org/grpc v1.29.1
+	google.golang.org/protobuf v1.25.0
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gopkg.in/yaml.v2 v2.2.4 // indirect
 )
--- a/go.sum
+++ b/go.sum
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/33cn/chain33 v6.1.0+incompatible h1:N3SgEnRMkX7XlWD1t4I9wyMvE+GKOt8LxnND1hDUY+o=
-github.com/33cn/chain33 v6.1.0+incompatible/go.mod h1:khADGunPneuDRjGaLqtVPhdf3og3ci+f7f8s/FLVcS0=
-github.com/33cn/chain33-sdk-go v0.0.0-20200608040832-fce9f88a2d72 h1:BTBW6DqHyGUDlKT4FgjB7iTgKfSbFySnHyThChTDpUM=
-github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9 h1:HD8gA2tkByhMAwYaFAX9w2l7vxvBQ5NMoxDrkhqhtn4=
-github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
-github.com/NebulousLabs/Sia v1.3.7 h1:gYfYnXVyeaEzyyVwjpQjszBcENNZ8DPIJc/pgOiLuGA=
-github.com/NebulousLabs/Sia v1.3.7/go.mod h1:SCASk6mV8QdEojKyecjj/Jd0OGSXkZonkhow7XXKk6Q=
-github.com/NebulousLabs/entropy-mnemonics v0.0.0-20181203154559-bc7e13c5ccd8 h1:wPFCU8DwC4k5C2LfJc/rVp4cmTqzF3vyydxRR3b3HhQ=
-github.com/NebulousLabs/entropy-mnemonics v0.0.0-20181203154559-bc7e13c5ccd8/go.mod h1:ed2ZsnmJfqVNZOwxWWFZaSHJY3ifOjCS7i5yX9dvKHs=
-github.com/NebulousLabs/errors v0.0.0-20181203160057-9f787ce8f69e h1:9UwdEr0AFI021vXG+hXDGH9ZHGuNtPCdJkRTqcIhJ3A=
-github.com/NebulousLabs/errors v0.0.0-20181203160057-9f787ce8f69e/go.mod h1:J7tUI9Fg4YuFLsqeLE5uIp93Fot9oBCw2vwZJvLmWso=
-github.com/NebulousLabs/fastrand v0.0.0-20181203155948-6fb6489aac4e h1:n+DcnTNkQnHlwpsrHoQtkrJIO7CBx029fw6oR4vIob4=
-github.com/NebulousLabs/fastrand v0.0.0-20181203155948-6fb6489aac4e/go.mod h1:Bdzq+51GR4/0DIhaICZEOm+OHvXGwwB2trKZ8B4Y6eQ=
-github.com/NebulousLabs/merkletree v0.0.0-20181203152040-08d5d54b07f5 h1:pk9SclNGplPbF6YDIDKMhHh9SaUWcoxPkMr7zdu1hfk=
-github.com/NebulousLabs/merkletree v0.0.0-20181203152040-08d5d54b07f5/go.mod h1:Cn056wBLKay+uIS9LJn7ymwhgC5mqbOtG6iOhEvyy4M=
-github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
-github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
-github.com/XiaoMi/pegasus-go-client v0.0.0-20200509085530-e2f054e1ad99 h1:6pai/DC2n9MptYa2SJVvay3TapspjrayvLj3GuX8yZM=
-github.com/XiaoMi/pegasus-go-client v0.0.0-20200509085530-e2f054e1ad99/go.mod h1:H83dStz3HvHBFC0n7QK+qLHAjqsIghFOFx2TCvq6vzI=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/apache/thrift v0.13.0 h1:5hryIiq9gtn+MiLVn0wP37kb/uTeRZgN08WoCsAhIhI=
-github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
-github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/bitly/go-simplejson v0.5.0 h1:6IH+V8/tVMab511d5bn4M7EwGXZf9Hj6i2xSwkNEM+Y=
 github.com/bitly/go-simplejson v0.5.0/go.mod h1:cXHtHw4XUPsvGaxgjIAn8PhEWG9NfngEKAMDJEczWVA=
 github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 h1:DDGfHa7BWjL4YnC6+E63dPcxHo2sUxDIu8g3QgEJdRY=
@@ -45,233 +16,75 @@ github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku
 github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
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@@ -279,87 +92,69 @@ golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL
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@@ -367,11 +162,3 @@ gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
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-sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
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--- a/proto/cert.proto
+++ b/proto/cert.proto
+syntax = "proto3";
+
+package types;
+
+// cert合约action
+message CertAction {
+    oneof value {
+        CertNew new       = 1;
+        CertUpdate update = 2;
+        CertNormal normal = 3;
+    }
+    int32 ty = 4;
+}
+
+// 证书启用
+message CertNew {
+    string key   = 1;
+    bytes  value = 2;
+}
+
+// 证书更新
+message CertUpdate {
+    string key   = 1;
+    bytes  value = 2;
+}
+
+// 用户证书校验
+message CertNormal {
+    string key   = 1;
+    bytes  value = 2;
+}
+
+message CertSignature {
+    bytes signature = 1;
+    bytes cert      = 2;
+    bytes uid       = 3;
+}
\ No newline at end of file
--- a/transaction.go
+++ b/transaction.go
@@ -8,7 +8,7 @@ import (
 	. "github.com/33cn/chain33-sdk-go/types"
 )

-func Sign(tx *Transaction, privateKey []byte, signType string) (*Transaction, error) {
+func Sign(tx *Transaction, privateKey []byte, signType string, uid []byte) (*Transaction, error) {
 	if signType == "" {
 		signType = crypto.SECP256K1
 	}
@@ -28,12 +28,12 @@ func Sign(tx *Transaction, privateKey []byte, signType string) (*Transaction, er
 		pub := gm.PubKeyFromPrivate(privateKey)

 		data := Encode(tx)
-		signature, err := gm.SM2Sign(data, privateKey, nil)
+		signature, err := gm.SM2Sign(data, privateKey, uid)
 		if err != nil {
 			return nil, err
 		}
 		tx.Signature = &Signature{
-			Ty:        3,
+			Ty:        258,
 			Pubkey:    pub,
 			Signature: signature,
 		}

--- a/types/cert.pb.go
+++ b/types/cert.pb.go
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0
+// 	protoc        v3.14.0
+// source: cert.proto
+
+package types
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
+// cert合约action
+type CertAction struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to Value:
+	//	*CertAction_New
+	//	*CertAction_Update
+	//	*CertAction_Normal
+	Value isCertAction_Value `protobuf_oneof:"value"`
+	Ty    int32              `protobuf:"varint,4,opt,name=ty,proto3" json:"ty,omitempty"`
+}
+
+func (x *CertAction) Reset() {
+	*x = CertAction{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cert_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CertAction) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CertAction) ProtoMessage() {}
+
+func (x *CertAction) ProtoReflect() protoreflect.Message {
+	mi := &file_cert_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CertAction.ProtoReflect.Descriptor instead.
+func (*CertAction) Descriptor() ([]byte, []int) {
+	return file_cert_proto_rawDescGZIP(), []int{0}
+}
+
+func (m *CertAction) GetValue() isCertAction_Value {
+	if m != nil {
+		return m.Value
+	}
+	return nil
+}
+
+func (x *CertAction) GetNew() *CertNew {
+	if x, ok := x.GetValue().(*CertAction_New); ok {
+		return x.New
+	}
+	return nil
+}
+
+func (x *CertAction) GetUpdate() *CertUpdate {
+	if x, ok := x.GetValue().(*CertAction_Update); ok {
+		return x.Update
+	}
+	return nil
+}
+
+func (x *CertAction) GetNormal() *CertNormal {
+	if x, ok := x.GetValue().(*CertAction_Normal); ok {
+		return x.Normal
+	}
+	return nil
+}
+
+func (x *CertAction) GetTy() int32 {
+	if x != nil {
+		return x.Ty
+	}
+	return 0
+}
+
+type isCertAction_Value interface {
+	isCertAction_Value()
+}
+
+type CertAction_New struct {
+	New *CertNew `protobuf:"bytes,1,opt,name=new,proto3,oneof"`
+}
+
+type CertAction_Update struct {
+	Update *CertUpdate `protobuf:"bytes,2,opt,name=update,proto3,oneof"`
+}
+
+type CertAction_Normal struct {
+	Normal *CertNormal `protobuf:"bytes,3,opt,name=normal,proto3,oneof"`
+}
+
+func (*CertAction_New) isCertAction_Value() {}
+
+func (*CertAction_Update) isCertAction_Value() {}
+
+func (*CertAction_Normal) isCertAction_Value() {}
+
+// 证书启用
+type CertNew struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *CertNew) Reset() {
+	*x = CertNew{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cert_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CertNew) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CertNew) ProtoMessage() {}
+
+func (x *CertNew) ProtoReflect() protoreflect.Message {
+	mi := &file_cert_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CertNew.ProtoReflect.Descriptor instead.
+func (*CertNew) Descriptor() ([]byte, []int) {
+	return file_cert_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *CertNew) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *CertNew) GetValue() []byte {
+	if x != nil {
+		return x.Value
+	}
+	return nil
+}
+
+// 证书更新
+type CertUpdate struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *CertUpdate) Reset() {
+	*x = CertUpdate{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cert_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CertUpdate) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CertUpdate) ProtoMessage() {}
+
+func (x *CertUpdate) ProtoReflect() protoreflect.Message {
+	mi := &file_cert_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CertUpdate.ProtoReflect.Descriptor instead.
+func (*CertUpdate) Descriptor() ([]byte, []int) {
+	return file_cert_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *CertUpdate) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *CertUpdate) GetValue() []byte {
+	if x != nil {
+		return x.Value
+	}
+	return nil
+}
+
+// 用户证书校验
+type CertNormal struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *CertNormal) Reset() {
+	*x = CertNormal{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cert_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CertNormal) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CertNormal) ProtoMessage() {}
+
+func (x *CertNormal) ProtoReflect() protoreflect.Message {
+	mi := &file_cert_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CertNormal.ProtoReflect.Descriptor instead.
+func (*CertNormal) Descriptor() ([]byte, []int) {
+	return file_cert_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *CertNormal) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *CertNormal) GetValue() []byte {
+	if x != nil {
+		return x.Value
+	}
+	return nil
+}
+
+type CertSignature struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Signature []byte `protobuf:"bytes,1,opt,name=signature,proto3" json:"signature,omitempty"`
+	Cert      []byte `protobuf:"bytes,2,opt,name=cert,proto3" json:"cert,omitempty"`
+	Uid       []byte `protobuf:"bytes,3,opt,name=uid,proto3" json:"uid,omitempty"`
+}
+
+func (x *CertSignature) Reset() {
+	*x = CertSignature{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_cert_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CertSignature) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CertSignature) ProtoMessage() {}
+
+func (x *CertSignature) ProtoReflect() protoreflect.Message {
+	mi := &file_cert_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CertSignature.ProtoReflect.Descriptor instead.
+func (*CertSignature) Descriptor() ([]byte, []int) {
+	return file_cert_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *CertSignature) GetSignature() []byte {
+	if x != nil {
+		return x.Signature
+	}
+	return nil
+}
+
+func (x *CertSignature) GetCert() []byte {
+	if x != nil {
+		return x.Cert
+	}
+	return nil
+}
+
+func (x *CertSignature) GetUid() []byte {
+	if x != nil {
+		return x.Uid
+	}
+	return nil
+}
+
+var File_cert_proto protoreflect.FileDescriptor
+
+var file_cert_proto_rawDesc = []byte{
+	0x0a, 0x0a, 0x63, 0x65, 0x72, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x05, 0x74, 0x79,
+	0x70, 0x65, 0x73, 0x22, 0xa3, 0x01, 0x0a, 0x0a, 0x43, 0x65, 0x72, 0x74, 0x41, 0x63, 0x74, 0x69,
+	0x6f, 0x6e, 0x12, 0x22, 0x0a, 0x03, 0x6e, 0x65, 0x77, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32,
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+	0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x11, 0x2e, 0x74, 0x79, 0x70, 0x65, 0x73, 0x2e, 0x43,
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+	0x01, 0x28, 0x0b, 0x32, 0x11, 0x2e, 0x74, 0x79, 0x70, 0x65, 0x73, 0x2e, 0x43, 0x65, 0x72, 0x74,
+	0x4e, 0x6f, 0x72, 0x6d, 0x61, 0x6c, 0x48, 0x00, 0x52, 0x06, 0x6e, 0x6f, 0x72, 0x6d, 0x61, 0x6c,
+	0x12, 0x0e, 0x0a, 0x02, 0x74, 0x79, 0x18, 0x04, 0x20, 0x01, 0x28, 0x05, 0x52, 0x02, 0x74, 0x79,
+	0x42, 0x07, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x31, 0x0a, 0x07, 0x43, 0x65, 0x72,
+	0x74, 0x4e, 0x65, 0x77, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28,
+	0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18,
+	0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x34, 0x0a, 0x0a,
+	0x43, 0x65, 0x72, 0x74, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65,
+	0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05,
+	0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x05, 0x76, 0x61, 0x6c,
+	0x75, 0x65, 0x22, 0x34, 0x0a, 0x0a, 0x43, 0x65, 0x72, 0x74, 0x4e, 0x6f, 0x72, 0x6d, 0x61, 0x6c,
+	0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b,
+	0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28,
+	0x0c, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x53, 0x0a, 0x0d, 0x43, 0x65, 0x72, 0x74,
+	0x53, 0x69, 0x67, 0x6e, 0x61, 0x74, 0x75, 0x72, 0x65, 0x12, 0x1c, 0x0a, 0x09, 0x73, 0x69, 0x67,
+	0x6e, 0x61, 0x74, 0x75, 0x72, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x09, 0x73, 0x69,
+	0x67, 0x6e, 0x61, 0x74, 0x75, 0x72, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x63, 0x65, 0x72, 0x74, 0x18,
+	0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x63, 0x65, 0x72, 0x74, 0x12, 0x10, 0x0a, 0x03, 0x75,
+	0x69, 0x64, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x03, 0x75, 0x69, 0x64, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_cert_proto_rawDescOnce sync.Once
+	file_cert_proto_rawDescData = file_cert_proto_rawDesc
+)
+
+func file_cert_proto_rawDescGZIP() []byte {
+	file_cert_proto_rawDescOnce.Do(func() {
+		file_cert_proto_rawDescData = protoimpl.X.CompressGZIP(file_cert_proto_rawDescData)
+	})
+	return file_cert_proto_rawDescData
+}
+
+var file_cert_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_cert_proto_goTypes = []interface{}{
+	(*CertAction)(nil),    // 0: types.CertAction
+	(*CertNew)(nil),       // 1: types.CertNew
+	(*CertUpdate)(nil),    // 2: types.CertUpdate
+	(*CertNormal)(nil),    // 3: types.CertNormal
+	(*CertSignature)(nil), // 4: types.CertSignature
+}
+var file_cert_proto_depIdxs = []int32{
+	1, // 0: types.CertAction.new:type_name -> types.CertNew
+	2, // 1: types.CertAction.update:type_name -> types.CertUpdate
+	3, // 2: types.CertAction.normal:type_name -> types.CertNormal
+	3, // [3:3] is the sub-list for method output_type
+	3, // [3:3] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
+}
+
+func init() { file_cert_proto_init() }
+func file_cert_proto_init() {
+	if File_cert_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_cert_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CertAction); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cert_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CertNew); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cert_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CertUpdate); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cert_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CertNormal); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_cert_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CertSignature); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_cert_proto_msgTypes[0].OneofWrappers = []interface{}{
+		(*CertAction_New)(nil),
+		(*CertAction_Update)(nil),
+		(*CertAction_Normal)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_cert_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   5,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_cert_proto_goTypes,
+		DependencyIndexes: file_cert_proto_depIdxs,
+		MessageInfos:      file_cert_proto_msgTypes,
+	}.Build()
+	File_cert_proto = out.File
+	file_cert_proto_rawDesc = nil
+	file_cert_proto_goTypes = nil
+	file_cert_proto_depIdxs = nil
+}
--- a/types/utils.go
+++ b/types/utils.go
@@ -4,6 +4,7 @@ import (
 	"encoding/hex"
 	secp256k1 "github.com/btcsuite/btcd/btcec"
 	"github.com/golang/protobuf/proto"
+	"io/ioutil"
 )

 //exec type
@@ -67,3 +68,12 @@ func ECDH(priv *secp256k1.PrivateKey, pub *secp256k1.PublicKey) []byte {
 	ecKey.X, ecKey.Y = secp256k1.S256().ScalarMult(pub.X, pub.Y, priv.D.Bytes())
 	return ecKey.SerializeCompressed()
 }
+
+func ReadFile(file string) ([]byte, error) {
+	fileCont, err := ioutil.ReadFile(file)
+	if err != nil {
+		return nil, err
+	}
+
+	return fileCont, nil
+}
\ No newline at end of file