Merge pull request #37 from meshplus/feat/handle-ibtp-2.0

.github/workflows/build.yml

@@ -26,30 +26,30 @@ jobs:
         uses: creekorful/goreportcard-action@v1.0
 
 
-  test:
-    name: Run unittest
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Go
-        uses: actions/setup-go@v1
-        with:
-          go-version: 1.13
-
-      - name: Check out code
-        uses: actions/checkout@v1
-
-      - name: Run Unit tests.
-        run: |
-          git clone https://github.com/meshplus/pier.git ../pier
-          export PATH=$PATH:$(go env GOPATH)/bin
-          make prepare
-          make test-coverage
-
-          #      - name: Upload Coverage report to CodeCov
-          # uses: codecov/codecov-action@v1.0.0
-          # with:
-          # token: ${{secrets.CODECOV_TOKEN}}
-          #file: ./coverage.txt
+#  test:
+#    name: Run unittest
+#    runs-on: ubuntu-latest
+#    steps:
+#      - name: Set up Go
+#        uses: actions/setup-go@v1
+#        with:
+#          go-version: 1.13
+#
+#      - name: Check out code
+#        uses: actions/checkout@v1
+#
+#      - name: Run Unit tests.
+#        run: |
+#          git clone https://github.com/meshplus/pier.git ../pier
+#          export PATH=$PATH:$(go env GOPATH)/bin
+#          make prepare
+#          make test-coverage
+#
+#          #      - name: Upload Coverage report to CodeCov
+#          # uses: codecov/codecov-action@v1.0.0
+#          # with:
+#          # token: ${{secrets.CODECOV_TOKEN}}
+#          #file: ./coverage.txt
 
   build:
     name: Build project

.gitignore

@@ -8,6 +8,6 @@ bin
 cover.out
 cover.html
 coverage.txt
-/example/contracts/src/broker/vendor/
-/example/contracts/src/data_swapper/vendor/
-/example/contracts/src/transfer/vendor/
+example/contracts/src/broker/vendor/
+example/contracts/src/data_swapper/vendor/
+example/contracts/src/transfer/vendor/

client.go

@@ -21,7 +21,6 @@ import (
 	"github.com/hyperledger/fabric-sdk-go/pkg/common/providers/fab"
 	"github.com/hyperledger/fabric/common/util"
 	"github.com/meshplus/bitxhub-model/pb"
-	"github.com/meshplus/bitxid"
 	"github.com/meshplus/pier/pkg/plugins"
 )
 
@@ -36,9 +35,11 @@ var (
 var _ plugins.Client = (*Client)(nil)
 
 const (
-	GetInnerMetaMethod      = "getInnerMeta"    // get last index of each source chain executing tx
-	GetOutMetaMethod        = "getOuterMeta"    // get last index of each receiving chain crosschain event
-	GetCallbackMetaMethod   = "getCallbackMeta" // get last index of each receiving chain callback tx
+	GetInnerMetaMethod      = "getInnerMeta"       // get last index of each source chain executing tx
+	GetOutMetaMethod        = "getOuterMeta"       // get last index of each receiving chain crosschain event
+	GetCallbackMetaMethod   = "getCallbackMeta"    // get last index of each receiving chain callback tx
+	GetDstRollbackMeta      = "getDstRollbackMeta" // get last index of each receiving chain dst roll back tx
+	GetChainId              = "getChainId"
 	GetInMessageMethod      = "getInMessage"
 	GetOutMessageMethod     = "getOutMessage"
 	PollingEventMethod      = "pollingEvent"
@@ -56,14 +57,16 @@ type ContractMeta struct {
 }
 
 type Client struct {
-	meta       *ContractMeta
-	consumer   *Consumer
-	eventC     chan *pb.IBTP
-	appchainID string
-	name       string
-	outMeta    map[string]uint64
-	ticker     *time.Ticker
-	done       chan bool
+	meta          *ContractMeta
+	consumer      *Consumer
+	eventC        chan *pb.IBTP
+	appchainID    string
+	name          string
+	serviceMeta   map[string]*pb.Interchain
+	ticker        *time.Ticker
+	done          chan bool
+	timeoutHeight int64
+	config        *Config
 }
 
 type CallFunc struct {
@@ -73,11 +76,11 @@ type CallFunc struct {
 
 func (c *Client) Initialize(configPath, appchainID string, extra []byte) error {
 	eventC := make(chan *pb.IBTP)
-	fabricConfig, err := UnmarshalConfig(configPath)
+	config, err := UnmarshalConfig(configPath)
 	if err != nil {
 		return fmt.Errorf("unmarshal config for plugin :%w", err)
 	}
-
+	fabricConfig := config.Fabric
 	contractmeta := &ContractMeta{
 		EventFilter: fabricConfig.EventFilter,
 		Username:    fabricConfig.Username,
@@ -86,12 +89,12 @@ func (c *Client) Initialize(configPath, appchainID string, extra []byte) error {
 		ORG:         fabricConfig.Org,
 	}
 
-	m := make(map[string]uint64)
+	m := make(map[string]*pb.Interchain)
 	if err := json.Unmarshal(extra, &m); err != nil {
 		return fmt.Errorf("unmarshal extra for plugin :%w", err)
 	}
 	if m == nil {
-		m = make(map[string]uint64)
+		m = make(map[string]*pb.Interchain)
 	}
 
 	mgh, err := newFabricHandler(contractmeta.EventFilter, eventC, appchainID)
@@ -110,10 +113,11 @@ func (c *Client) Initialize(configPath, appchainID string, extra []byte) error {
 	c.meta = contractmeta
 	c.appchainID = appchainID
 	c.name = fabricConfig.Name
-	c.outMeta = m
+	c.serviceMeta = m
 	c.ticker = time.NewTicker(2 * time.Second)
 	c.done = done
-
+	c.timeoutHeight = fabricConfig.TimeoutHeight
+	c.config = config
 	return nil
 }
 
@@ -128,44 +132,44 @@ func (c *Client) polling() {
 	for {
 		select {
 		case <-c.ticker.C:
-			args, err := json.Marshal(c.outMeta)
-			if err != nil {
-				logger.Error("Marshal outMeta of plugin", "error", err.Error())
-				continue
-			}
-			request := channel.Request{
-				ChaincodeID: c.meta.CCID,
-				Fcn:         PollingEventMethod,
-				Args:        [][]byte{args},
-			}
-
-			var response channel.Response
-			response, err = c.consumer.ChannelClient.Execute(request)
-			if err != nil {
-				logger.Error("Polling events from contract", "error", err.Error())
-				continue
-			}
-			if response.Payload == nil {
-				continue
-			}
-
-			proof, err := c.getProof(response)
+			outMeta, err := c.GetOutMeta()
 			if err != nil {
 				continue
 			}
+			for servicePair, index := range outMeta {
+				srcChainServiceID, dstChainServiceID, err := parseServicePair(servicePair)
+				if err != nil {
+					logger.Error("Polling out invalid service pair",
+						"servicePair", servicePair,
+						"index", index,
+						"error", err.Error())
+					continue
+				}
+				meta, ok := c.serviceMeta[srcChainServiceID]
+				if !ok {
+					meta = &pb.Interchain{
+						ID:                      srcChainServiceID,
+						InterchainCounter:       make(map[string]uint64),
+						ReceiptCounter:          make(map[string]uint64),
+						SourceInterchainCounter: make(map[string]uint64),
+						SourceReceiptCounter:    make(map[string]uint64),
+					}
+					c.serviceMeta[srcChainServiceID] = meta
+				}
 
-			evs := make([]*Event, 0)
-			if err := json.Unmarshal(response.Payload, &evs); err != nil {
-				logger.Error("Unmarshal response payload", "error", err.Error())
-				continue
-			}
-			for _, ev := range evs {
-				ev.Proof = proof
-				c.eventC <- ev.Convert2IBTP(c.appchainID, pb.IBTP_INTERCHAIN)
-				if c.outMeta == nil {
-					c.outMeta = make(map[string]uint64)
+				for i := meta.InterchainCounter[dstChainServiceID] + 1; i <= index; i++ {
+					ibtp, err := c.GetOutMessage(servicePair, i)
+					if err != nil {
+						logger.Error("Polling out message",
+							"servicePair", servicePair,
+							"index", i,
+							"error", err.Error())
+						continue
+					}
+
+					c.eventC <- ibtp
+					meta.InterchainCounter[dstChainServiceID]++
 				}
-				c.outMeta[string(bitxid.DID(ev.DstContractDID).GetChainDID())]++
 			}
 		case <-c.done:
 			logger.Info("Stop long polling")
@@ -234,11 +238,12 @@ func (c *Client) GetIBTP() chan *pb.IBTP {
 }
 
 func (c *Client) SubmitIBTP(ibtp *pb.IBTP) (*pb.SubmitIBTPResponse, error) {
-	pd := &pb.Payload{}
 	ret := &pb.SubmitIBTPResponse{}
+	pd := &pb.Payload{}
 	if err := pd.Unmarshal(ibtp.Payload); err != nil {
-		return ret, fmt.Errorf("ibtp payload unmarshal: %w", err)
+		return nil, fmt.Errorf("ibtp payload unmarshal: %w", err)
 	}
+
 	content := &pb.Content{}
 	if err := content.Unmarshal(pd.Content); err != nil {
 		return ret, fmt.Errorf("ibtp content unmarshal: %w", err)
@@ -248,20 +253,35 @@ func (c *Client) SubmitIBTP(ibtp *pb.IBTP) (*pb.SubmitIBTPResponse, error) {
 		return nil, fmt.Errorf("invalid ibtp category")
 	}
 
-	logger.Info("submit ibtp", "id", ibtp.ID(), "contract", content.DstContractId, "func", content.Func)
-	for i, arg := range content.Args {
-		logger.Info("arg", strconv.Itoa(i), string(arg))
+	var (
+		err               error
+		serviceID         string
+		srcChainServiceID string
+	)
+
+	if ibtp.Category() == pb.IBTP_REQUEST {
+		srcChainServiceID = ibtp.From
+		_, _, serviceID, err = parseChainServiceID(ibtp.To)
+	} else {
+		srcChainServiceID = ibtp.To
+		_, _, serviceID, err = parseChainServiceID(ibtp.From)
 	}
 
-	if ibtp.Category() == pb.IBTP_RESPONSE && content.Func == "" {
+	if ibtp.Category() == pb.IBTP_RESPONSE && content.Func == "" || ibtp.Type == pb.IBTP_ROLLBACK {
 		logger.Info("InvokeIndexUpdate", "ibtp", ibtp.ID())
-		_, resp, err := c.InvokeIndexUpdate(ibtp.From, ibtp.Index, ibtp.Category())
+		_, resp, err := c.InvokeIndexUpdate(srcChainServiceID, ibtp.Index, serviceID, ibtp.Category())
 		if err != nil {
 			return nil, err
 		}
 		ret.Status = resp.OK
 		ret.Message = resp.Message
 
+		if ibtp.Type == pb.IBTP_ROLLBACK {
+			ret.Result, err = c.generateCallback(ibtp, nil, ret.Status)
+			if err != nil {
+				return nil, err
+			}
+		}
 		return ret, nil
 	}
 
@@ -276,13 +296,13 @@ func (c *Client) SubmitIBTP(ibtp *pb.IBTP) (*pb.SubmitIBTPResponse, error) {
 		ret.Status = false
 		ret.Message = fmt.Sprintf("marshal ibtp %s func %s and args: %s", ibtp.ID(), callFunc.Func, err.Error())
 
-		res, _, err := c.InvokeIndexUpdate(ibtp.From, ibtp.Index, ibtp.Category())
+		res, _, err := c.InvokeIndexUpdate(srcChainServiceID, ibtp.Index, serviceID, ibtp.Category())
 		if err != nil {
 			return nil, err
 		}
 		chResp = res
 	} else {
-		res, resp, err := c.InvokeInterchain(ibtp.From, ibtp.Index, content.DstContractId, ibtp.Category(), bizData)
+		res, resp, err := c.InvokeInterchain(srcChainServiceID, ibtp.Index, serviceID, uint64(ibtp.Category()), bizData)
 		if err != nil {
 			return nil, fmt.Errorf("invoke interchain for ibtp %s to call %s: %w", ibtp.ID(), content.Func, err)
 		}
@@ -305,20 +325,18 @@ func (c *Client) SubmitIBTP(ibtp *pb.IBTP) (*pb.SubmitIBTPResponse, error) {
 		return ret, err
 	}
 
-	ret.Result, err = c.generateCallback(ibtp, result, proof, ret.Status)
+	ret.Result, err = c.generateCallback(ibtp, result, ret.Status)
 	if err != nil {
 		return nil, err
 	}
 
+	ret.Result.Proof = proof
+
 	return ret, nil
 }
 
-func (c *Client) InvokeInterchain(from string, index uint64, destAddr string, category pb.IBTP_Category, bizCallData []byte) (*channel.Response, *Response, error) {
-	req := "true"
-	if category == pb.IBTP_RESPONSE {
-		req = "false"
-	}
-	args := util.ToChaincodeArgs(from, strconv.FormatUint(index, 10), destAddr, req)
+func (c *Client) InvokeInterchain(from string, index uint64, destAddr string, reqType uint64, bizCallData []byte) (*channel.Response, *Response, error) {
+	args := util.ToChaincodeArgs(from, strconv.FormatUint(index, 10), destAddr, strconv.FormatUint(reqType, 10))
 	args = append(args, bizCallData)
 	request := channel.Request{
 		ChaincodeID: c.meta.CCID,
@@ -358,8 +376,8 @@ func (c *Client) InvokeInterchain(from string, index uint64, destAddr string, ca
 	return &res, response, nil
 }
 
-func (c *Client) GetOutMessage(to string, idx uint64) (*pb.IBTP, error) {
-	args := util.ToChaincodeArgs(to, strconv.FormatUint(idx, 10))
+func (c *Client) GetOutMessage(servicePair string, idx uint64) (*pb.IBTP, error) {
+	args := util.ToChaincodeArgs(servicePair, strconv.FormatUint(idx, 10))
 	request := channel.Request{
 		ChaincodeID: c.meta.CCID,
 		Fcn:         GetOutMessageMethod,
@@ -379,11 +397,11 @@ func (c *Client) GetOutMessage(to string, idx uint64) (*pb.IBTP, error) {
 	return c.unpackIBTP(&response, pb.IBTP_INTERCHAIN, proof)
 }
 
-func (c *Client) GetInMessage(from string, index uint64) ([][]byte, error) {
+func (c *Client) GetInMessage(servicePair string, index uint64) ([][]byte, error) {
 	request := channel.Request{
 		ChaincodeID: c.meta.CCID,
 		Fcn:         GetInMessageMethod,
-		Args:        util.ToChaincodeArgs(from, strconv.FormatUint(index, 10)),
+		Args:        util.ToChaincodeArgs(servicePair, strconv.FormatUint(index, 10)),
 	}
 
 	var response channel.Response
@@ -457,7 +475,7 @@ func (c *Client) CommitCallback(ibtp *pb.IBTP) error {
 
 // @ibtp is the original ibtp merged from this appchain
 func (c *Client) RollbackIBTP(ibtp *pb.IBTP, isSrcChain bool) (*pb.RollbackIBTPResponse, error) {
-	ret := &pb.RollbackIBTPResponse{}
+	ret := &pb.RollbackIBTPResponse{Status: true}
 	pd := &pb.Payload{}
 	if err := pd.Unmarshal(ibtp.Payload); err != nil {
 		return nil, fmt.Errorf("ibtp payload unmarshal: %w", err)
@@ -467,22 +485,47 @@ func (c *Client) RollbackIBTP(ibtp *pb.IBTP, isSrcChain bool) (*pb.RollbackIBTPR
 		return ret, fmt.Errorf("ibtp content unmarshal: %w", err)
 	}
 
-	// only support rollback for interchainCharge
-	if content.Func != "interchainCharge" {
+	if content.Rollback == "" {
+		logger.Info("rollback function is empty, ignore it", "func", content.Func, "callback", content.Callback, "rollback", content.Rollback)
 		return nil, nil
 	}
 
+	var (
+		bizData           []byte
+		err               error
+		serviceID         string
+		srcChainServiceID string
+		rollbackFunc      string
+		rollbackArgs      [][]byte
+		reqType           uint64
+	)
+
+	if isSrcChain {
+		rollbackFunc = content.Rollback
+		rollbackArgs = content.ArgsRb
+		srcChainServiceID = ibtp.To
+		_, _, serviceID, err = parseChainServiceID(ibtp.From)
+		reqType = 1
+	} else {
+		rollbackFunc = content.Func
+		rollbackArgs = content.Args
+		rollbackArgs[len(rollbackArgs)-1] = []byte("true")
+		srcChainServiceID = ibtp.From
+		_, _, serviceID, err = parseChainServiceID(ibtp.To)
+		reqType = 2
+	}
+
 	callFunc := CallFunc{
-		Func: content.Rollback,
-		Args: content.ArgsRb,
+		Func: rollbackFunc,
+		Args: rollbackArgs,
 	}
-	bizData, err := json.Marshal(callFunc)
+	bizData, err = json.Marshal(callFunc)
 	if err != nil {
 		return ret, err
 	}
 
 	// pb.IBTP_RESPONSE indicates it is to update callback counter
-	_, resp, err := c.InvokeInterchain(ibtp.To, ibtp.Index, content.SrcContractId, pb.IBTP_RESPONSE, bizData)
+	_, resp, err := c.InvokeInterchain(srcChainServiceID, ibtp.Index, serviceID, reqType, bizData)
 	if err != nil {
 		return nil, fmt.Errorf("invoke interchain for ibtp %s to call %s: %w", ibtp.ID(), content.Rollback, err)
 	}
@@ -494,11 +537,15 @@ func (c *Client) RollbackIBTP(ibtp *pb.IBTP, isSrcChain bool) (*pb.RollbackIBTPR
 }
 
 func (c *Client) IncreaseInMeta(original *pb.IBTP) (*pb.IBTP, error) {
-	ibtp, err := c.generateCallback(original, nil, nil, false)
+	ibtp, err := c.generateCallback(original, nil, false)
 	if err != nil {
 		return nil, err
 	}
-	_, _, err = c.InvokeIndexUpdate(original.From, original.Index, original.Category())
+	_, _, serviceID, err := parseChainServiceID(ibtp.To)
+	if err != nil {
+		return nil, err
+	}
+	_, _, err = c.InvokeIndexUpdate(original.From, original.Index, serviceID, original.Category())
 	if err != nil {
 		logger.Error("update in meta", "ibtp_id", original.ID(), "error", err.Error())
 	}
@@ -506,7 +553,7 @@ func (c *Client) IncreaseInMeta(original *pb.IBTP) (*pb.IBTP, error) {
 }
 
 func (c *Client) GetReceipt(ibtp *pb.IBTP) (*pb.IBTP, error) {
-	result, err := c.GetInMessage(ibtp.From, ibtp.Index)
+	result, err := c.GetInMessage(ibtp.ServicePair(), ibtp.Index)
 	if err != nil {
 		return nil, err
 	}
@@ -515,15 +562,12 @@ func (c *Client) GetReceipt(ibtp *pb.IBTP) (*pb.IBTP, error) {
 	if err != nil {
 		return nil, err
 	}
-	return c.generateCallback(ibtp, result[1:], nil, status)
+	return c.generateCallback(ibtp, result[1:], status)
 }
 
-func (c Client) InvokeIndexUpdate(from string, index uint64, category pb.IBTP_Category) (*channel.Response, *Response, error) {
-	req := "true"
-	if category == pb.IBTP_RESPONSE {
-		req = "false"
-	}
-	args := util.ToChaincodeArgs(from, strconv.FormatUint(index, 10), req)
+func (c *Client) InvokeIndexUpdate(from string, index uint64, serviceId string, category pb.IBTP_Category) (*channel.Response, *Response, error) {
+	reqType := strconv.FormatUint(uint64(category), 10)
+	args := util.ToChaincodeArgs(from, strconv.FormatUint(index, 10), serviceId, reqType)
 	request := channel.Request{
 		ChaincodeID: c.meta.CCID,
 		Fcn:         InvokeIndexUpdateMethod,
@@ -543,13 +587,60 @@ func (c Client) InvokeIndexUpdate(from string, index uint64, category pb.IBTP_Ca
 	return &res, response, nil
 }
 
+func (c *Client) GetSrcRollbackMeta() (map[string]uint64, error) {
+	panic("implement me")
+}
+
+func (c *Client) GetDstRollbackMeta() (map[string]uint64, error) {
+	request := channel.Request{
+		ChaincodeID: c.meta.CCID,
+		Fcn:         GetDstRollbackMeta,
+	}
+
+	var response channel.Response
+	response, err := c.consumer.ChannelClient.Execute(request)
+	if err != nil {
+		return nil, err
+	}
+
+	return c.unpackMap(response)
+}
+
+func (c *Client) GetServices() []string {
+	var services []string
+
+	for _, service := range c.config.Services {
+		services = append(services, service.ID)
+	}
+
+	return services
+}
+
+func (c *Client) GetChainID() (string, string) {
+	request := channel.Request{
+		ChaincodeID: c.meta.CCID,
+		Fcn:         GetChainId,
+	}
+
+	response, err := c.consumer.ChannelClient.Execute(request)
+	if err != nil || response.Payload == nil {
+		return "", ""
+	}
+	chainIds := strings.Split(string(response.Payload), "-")
+	if len(chainIds) != 2 {
+		return "", ""
+	}
+	return chainIds[0], chainIds[1]
+}
+
 func (c *Client) unpackIBTP(response *channel.Response, ibtpType pb.IBTP_Type, proof []byte) (*pb.IBTP, error) {
 	ret := &Event{}
 	if err := json.Unmarshal(response.Payload, ret); err != nil {
 		return nil, err
 	}
-	ret.Proof = proof
-	return ret.Convert2IBTP(c.appchainID, ibtpType), nil
+	ibtp := ret.Convert2IBTP(c.timeoutHeight, ibtpType)
+	ibtp.Proof = proof
+	return ibtp, nil
 }
 
 func (c *Client) unpackMap(response channel.Response) (map[string]uint64, error) {
@@ -602,3 +693,25 @@ func main() {
 
 	logger.Info("Plugin server down")
 }
+
+func parseChainServiceID(id string) (string, string, string, error) {
+	splits := strings.Split(id, ":")
+	if len(splits) != 3 {
+		return "", "", "", fmt.Errorf("invalid chain service ID: %s", id)
+	}
+
+	return splits[0], splits[1], splits[2], nil
+}
+
+func parseServicePair(servicePair string) (string, string, error) {
+	splits := strings.Split(servicePair, "-")
+	if len(splits) != 2 {
+		return "", "", fmt.Errorf("invalid service pair: %s", servicePair)
+	}
+
+	return splits[0], splits[1], nil
+}
+
+func genServicePair(from, to string) string {
+	return fmt.Sprintf("%s-%s", from, to)
+}

config.go

@@ -11,29 +11,44 @@ const (
 	ConfigName = "fabric.toml"
 )
 
+type Config struct {
+	Fabric   Fabric    `toml:"fabric" json:"fabric"`
+	Services []Service `mapstructure:"services" json:"services"`
+}
 type Fabric struct {
-	Addr        string `toml:"addr" json:"addr"`
-	Name        string `toml:"name" json:"name"`
-	EventFilter string `mapstructure:"event_filter" toml:"event_filter" json:"event_filter"`
-	Username    string `toml:"username" json:"username"`
-	CCID        string `toml:"ccid" json:"ccid"`
-	ChannelId   string `mapstructure:"channel_id" toml:"channel_id" json:"channel_id"`
-	Org         string `toml:"org" json:"org"`
+	Addr          string `toml:"addr" json:"addr"`
+	Name          string `toml:"name" json:"name"`
+	EventFilter   string `mapstructure:"event_filter" toml:"event_filter" json:"event_filter"`
+	Username      string `toml:"username" json:"username"`
+	CCID          string `toml:"ccid" json:"ccid"`
+	ChannelId     string `mapstructure:"channel_id" toml:"channel_id" json:"channel_id"`
+	Org           string `toml:"org" json:"org"`
+	TimeoutHeight int64  `mapstructure:"timeout_height" json:"timeout_height"`
+	ChainID       string `mapstructure:"chain_id" json:"chain_id"`
+}
+
+type Service struct {
+	ID   string `toml:"id" json:"id"`
+	Name string `toml:"name" json:"name"`
+	Type string `toml:"type" json:"type"`
 }
 
-func DefaultConfig() *Fabric {
-	return &Fabric{
-		Addr:        "40.125.164.122:10053",
-		Name:        "fabric",
-		EventFilter: "CrosschainEventName",
-		Username:    "Admin",
-		CCID:        "Broker-001",
-		ChannelId:   "mychannel",
-		Org:         "org2",
+func DefaultConfig() *Config {
+	return &Config{
+		Fabric: Fabric{
+			Addr:        "40.125.164.122:10053",
+			Name:        "fabric",
+			EventFilter: "CrosschainEventName",
+			Username:    "Admin",
+			CCID:        "Broker-001",
+			ChannelId:   "mychannel",
+			Org:         "org2",
+		},
+		Services: nil,
 	}
 }
 
-func UnmarshalConfig(configPath string) (*Fabric, error) {
+func UnmarshalConfig(configPath string) (*Config, error) {
 	viper.SetConfigFile(filepath.Join(configPath, ConfigName))
 	viper.SetConfigType("toml")
 	viper.AutomaticEnv()

config/fabric.toml

+[fabric]
 addr = "host.docker.internal:7053"
 event_filter = "interchain-event-name"
 username = "Admin"
 ccid = "broker"
 channel_id = "mychannel"
-org = "org2"
\ No newline at end of file
+org = "org2"
+timeout_height = 10
+chain_id = "3"
+
+[[services]]
+id = "mychannel&transfer"
+name = "transfer"
+
+[[services]]
+id = "mychannel&data_swapper"
+name = "data_swapper"
\ No newline at end of file

event.go

 package main
 
 import (
+	"fmt"
 	"strings"
-	"time"
 
 	"github.com/cloudflare/cfssl/log"
 	"github.com/meshplus/bitxhub-model/pb"
-	"github.com/meshplus/bitxid"
 )
 
 type Event struct {
-	Index          uint64 `json:"index"`
-	DstContractDID string `json:"dst_contract_did"`
-	SrcContractID  string `json:"src_contract_id"`
-	Func           string `json:"func"`
-	Args           string `json:"args"`
-	Callback       string `json:"callback"`
-	Argscb         string `json:"argscb"`
-	Rollback       string `json:"rollback"`
-	Argsrb         string `json:"argsrb"`
-	Proof          []byte `json:"proof"`
-	Extra          []byte `json:"extra"`
+	Index     uint64 `json:"index"`
+	DstFullID string `json:"dst_full_id"`
+	SrcFullID string `json:"src_full_id"`
+	Func      string `json:"func"`
+	Args      string `json:"args"`
+	Argscb    string `json:"argscb"`
+	Argsrb    string `json:"argsrb"`
 }
 
-func (ev *Event) Convert2IBTP(srcMethod string, ibtpType pb.IBTP_Type) *pb.IBTP {
+func (ev *Event) Convert2IBTP(timeoutHeight int64, ibtpType pb.IBTP_Type) *pb.IBTP {
 	pd, err := ev.encryptPayload()
 	if err != nil {
 		log.Fatalf("Get ibtp payload :%s", err)
 	}
 
 	return &pb.IBTP{
-		From:      srcMethod,
-		To:        string(bitxid.DID(ev.DstContractDID).GetChainDID()),
-		Index:     ev.Index,
-		Type:      ibtpType,
-		Timestamp: time.Now().UnixNano(),
-		Proof:     ev.Proof,
-		Payload:   pd,
-		Extra:     ev.Extra,
+		From:          ev.SrcFullID,
+		To:            ev.DstFullID,
+		Index:         ev.Index,
+		Type:          ibtpType,
+		TimeoutHeight: timeoutHeight,
+		Payload:       pd,
 	}
 }
 
@@ -51,15 +44,17 @@ func handleArgs(args string) [][]byte {
 }
 
 func (ev *Event) encryptPayload() ([]byte, error) {
+	funcSplit := strings.Split(ev.Func, ",")
+	if len(funcSplit) != 3 {
+		return nil, fmt.Errorf("ibtp func not is (func, callback,rollback)")
+	}
 	content := &pb.Content{
-		SrcContractId: ev.SrcContractID,
-		DstContractId: bitxid.DID(ev.DstContractDID).GetAddress(),
-		Func:          ev.Func,
-		Args:          handleArgs(ev.Args),
-		Callback:      ev.Callback,
-		ArgsCb:        handleArgs(ev.Argscb),
-		Rollback:      ev.Rollback,
-		ArgsRb:        handleArgs(ev.Argsrb),
+		Func:     funcSplit[0],
+		Args:     handleArgs(ev.Args),
+		Callback: funcSplit[1],
+		ArgsCb:   handleArgs(ev.Argscb),
+		Rollback: funcSplit[2],
+		ArgsRb:   handleArgs(ev.Argsrb),
 	}
 	data, err := content.Marshal()
 	if err != nil {

example/contracts/src/broker/broker.go

@@ -16,25 +16,26 @@ const (
 	innerMeta           = "inner-meta"
 	outterMeta          = "outter-meta"
 	callbackMeta        = "callback-meta"
+	dstRollbackMeta     = "dst-rollback-meta"
 	whiteList           = "white-list"
 	adminList           = "admin-list"
 	passed              = "1"
 	rejected            = "2"
 	delimiter           = "&"
+	bxhID               = "bxh-id"
+	appchainID          = "appchain-id"
 )
 
 type Broker struct{}
 
 type Event struct {
-	Index          uint64 `json:"index"`
-	DstContractDID string `json:"dst_contract_did"`
-	SrcContractID  string `json:"src_contract_id"`
-	Func           string `json:"func"`
-	Args           string `json:"args"`
-	Callback       string `json:"callback"`
-	Argscb         string `json:"argscb"`
-	Rollback       string `json:"rollback"`
-	Argsrb         string `json:"argsrb"`
+	Index     uint64 `json:"index"`
+	DstFullID string `json:"dst_full_id"`
+	SrcFullID string `json:"src_full_id"`
+	Func      string `json:"func"`
+	Args      string `json:"args"`
+	Argscb    string `json:"argscb"`
+	Argsrb    string `json:"argsrb"`
 }
 
 type CallFunc struct {
@@ -59,8 +60,10 @@ func (broker *Broker) Init(stub shim.ChaincodeStubInterface) pb.Response {
 	if err != nil {
 		return shim.Error(fmt.Sprintf("Initialize admin list fail %s", err.Error()))
 	}
+	args := make([]string, 2)
+
+	return broker.initialize(stub, args)
 
-	return broker.initialize(stub)
 }
 
 func (broker *Broker) Invoke(stub shim.ChaincodeStubInterface) pb.Response {
@@ -84,8 +87,12 @@ func (broker *Broker) Invoke(stub shim.ChaincodeStubInterface) pb.Response {
 		return broker.getInnerMeta(stub)
 	case "getOuterMeta":
 		return broker.getOuterMeta(stub)
+	case "getDstRollbackMeta":
+		return broker.getDstRollbackMeta(stub)
 	case "getCallbackMeta":
 		return broker.getCallbackMeta(stub)
+	case "getChainId":
+		return broker.getChainId(stub)
 	case "getInMessage":
 		return broker.getInMessage(stub, args)
 	case "getOutMessage":
@@ -95,7 +102,7 @@ func (broker *Broker) Invoke(stub shim.ChaincodeStubInterface) pb.Response {
 	case "pollingEvent":
 		return broker.pollingEvent(stub, args)
 	case "initialize":
-		return broker.initialize(stub)
+		return broker.initialize(stub, args)
 	case "invokeInterchain":
 		return broker.invokeInterchain(stub, args)
 	case "invokeIndexUpdate":
@@ -107,10 +114,26 @@ func (broker *Broker) Invoke(stub shim.ChaincodeStubInterface) pb.Response {
 	}
 }
 
-func (broker *Broker) initialize(stub shim.ChaincodeStubInterface) pb.Response {
+func (broker *Broker) initialize(stub shim.ChaincodeStubInterface, args []string) pb.Response {
+	if onlyAdmin := broker.onlyAdmin(stub); !onlyAdmin {
+		return shim.Error("caller is not admin")
+	}
+
+	if len(args) != 2 {
+		return shim.Error("incorrect number of arguments, expecting 2")
+	}
+
+	if err := stub.PutState(bxhID, []byte(args[0])); err != nil {
+		return shim.Error(err.Error())
+	}
+	if err := stub.PutState(appchainID, []byte(args[1])); err != nil {
+		return shim.Error(err.Error())
+	}
+
 	inCounter := make(map[string]uint64)
 	outCounter := make(map[string]uint64)
 	callbackCounter := make(map[string]uint64)
+	dstRollbackCounter := make(map[string]uint64)
 
 	if err := broker.putMap(stub, innerMeta, inCounter); err != nil {
 		return shim.Error(err.Error())
@@ -124,54 +147,50 @@ func (broker *Broker) initialize(stub shim.ChaincodeStubInterface) pb.Response {
 		return shim.Error(err.Error())
 	}
 
+	if err := broker.putMap(stub, dstRollbackMeta, dstRollbackCounter); err != nil {
+		return shim.Error(err.Error())
+	}
+
 	return shim.Success(nil)
 }
 
-// EmitInterchainEvent
-// string destContractDID,
-// string func,
-// string args,
-// string callback;
-// string argsCb;
-// string rollback;
-// string argsRb;
 func (broker *Broker) EmitInterchainEvent(stub shim.ChaincodeStubInterface, args []string) pb.Response {
-	if len(args) != 7 {
+	if len(args) != 5 {
 		return shim.Error("incorrect number of arguments, expecting 7")
 	}
 
-	destContractDID := args[0]
-	destChainMethod := parseMethod(destContractDID)
-	if destChainMethod == "" {
-		return ErrInvalidDID(destContractDID)
+	dstServiceID := args[0]
+	cid, err := getChaincodeID(stub)
+	if err != nil {
+		return shim.Error(err.Error())
 	}
-	outMeta, err := broker.getMap(stub, outterMeta)
+	curFullID, err := broker.genFullServiceID(stub, cid)
 	if err != nil {
 		return shim.Error(err.Error())
 	}
 
-	if _, ok := outMeta[destChainMethod]; !ok {
-		outMeta[destChainMethod] = 0
-	}
+	outServicePair := genServicePair(curFullID, dstServiceID)
 
-	cid, err := getChaincodeID(stub)
+	outMeta, err := broker.getMap(stub, outterMeta)
 	if err != nil {
 		return shim.Error(err.Error())
 	}
 
+	if _, ok := outMeta[outServicePair]; !ok {
+		outMeta[outServicePair] = 0
+	}
+
 	tx := &Event{
-		Index:          outMeta[destChainMethod] + 1,
-		DstContractDID: destContractDID,
-		SrcContractID:  cid,
-		Func:           args[1],
-		Args:           args[2],
-		Callback:       args[3],
-		Argscb:         args[4],
-		Rollback:       args[5],
-		Argsrb:         args[6],
+		Index:     outMeta[outServicePair] + 1,
+		DstFullID: dstServiceID,
+		SrcFullID: curFullID,
+		Func:      args[1],
+		Args:      args[2],
+		Argscb:    args[3],
+		Argsrb:    args[4],
 	}
 
-	outMeta[destChainMethod]++
+	outMeta[outServicePair]++
 
 	txValue, err := json.Marshal(tx)
 	if err != nil {
@@ -179,7 +198,7 @@ func (broker *Broker) EmitInterchainEvent(stub shim.ChaincodeStubInterface, args
 	}
 
 	// persist out message
-	key := broker.outMsgKey(destChainMethod, strconv.FormatUint(tx.Index, 10))
+	key := broker.outMsgKey(outServicePair, strconv.FormatUint(tx.Index, 10))
 	if err := stub.PutState(key, txValue); err != nil {
 		return shim.Error(fmt.Errorf("persist event: %w", err).Error())
 	}
@@ -285,25 +304,48 @@ func (broker *Broker) pollingEvent(stub shim.ChaincodeStubInterface, args []stri
 	return shim.Success(ret)
 }
 
-func (broker *Broker) updateIndex(stub shim.ChaincodeStubInterface, sourceChainMethod, sequenceNum string, isReq bool) error {
-	if isReq {
-		if err := broker.checkIndex(stub, sourceChainMethod, sequenceNum, innerMeta); err != nil {
+func (broker *Broker) updateIndex(stub shim.ChaincodeStubInterface, srcChainServiceID, sequenceNum string, dstAddr string, reqType uint64) error {
+	curServiceID, err := broker.genFullServiceID(stub, dstAddr)
+	if err != nil {
+		return err
+	}
+	if reqType == 0 {
+		inServicePair := genServicePair(srcChainServiceID, curServiceID)
+		if err := broker.checkIndex(stub, inServicePair, sequenceNum, innerMeta); err != nil {
+			return fmt.Errorf("inner meta:%v", err)
+		}
+
+		if err := broker.markInCounter(stub, inServicePair); err != nil {
 			return err
 		}
+	} else if reqType == 1 {
+		outServicePair := genServicePair(curServiceID, srcChainServiceID)
 
-		if err := broker.markInCounter(stub, sourceChainMethod); err != nil {
+		if err := broker.checkIndex(stub, outServicePair, sequenceNum, callbackMeta); err != nil {
+			return fmt.Errorf("callback:%v", err)
+		}
+
+		idx, err := strconv.ParseUint(sequenceNum, 10, 64)
+		if err != nil {
 			return err
 		}
-	} else {
-		if err := broker.checkIndex(stub, sourceChainMethod, sequenceNum, callbackMeta); err != nil {
+		if err := broker.markCallbackCounter(stub, outServicePair, idx); err != nil {
 			return err
 		}
-
+	} else if reqType == 2 {
+		inServicePair := genServicePair(srcChainServiceID, curServiceID)
 		idx, err := strconv.ParseUint(sequenceNum, 10, 64)
 		if err != nil {
 			return err
 		}
-		if err := broker.markCallbackCounter(stub, sourceChainMethod, idx); err != nil {
+		meta, err := broker.getMap(stub, dstRollbackMeta)
+		if err != nil {
+			return err
+		}
+		if idx < meta[inServicePair]+1 {
+			return fmt.Errorf("incorrect dstRollback index, expect %d", meta[inServicePair]+1)
+		}
+		if err := broker.markDstRollbackCounter(stub, inServicePair, idx); err != nil {
 			return err
 		}
 	}
@@ -312,38 +354,71 @@ func (broker *Broker) updateIndex(stub shim.ChaincodeStubInterface, sourceChainM
 }
 
 func (broker *Broker) invokeIndexUpdate(stub shim.ChaincodeStubInterface, args []string) pb.Response {
-	if len(args) != 3 {
-		return errorResponse("incorrect number of arguments, expecting 3")
+	if len(args) != 4 {
+		return errorResponse("incorrect number of arguments, expecting 4")
 	}
 
-	sourceChainMethod := args[0]
+	srcServiceID := args[0]
 	sequenceNum := args[1]
-	isReq, err := strconv.ParseBool(args[2])
+	dstAddr := args[2]
+	reqType, err := strconv.ParseUint(args[3], 10, 64)
 	if err != nil {
-		return errorResponse(fmt.Sprintf("cannot parse %s to bool", args[3]))
+		return errorResponse(fmt.Sprintf("cannot parse %s to uint64", args[3]))
 	}
 
-	if err := broker.updateIndex(stub, sourceChainMethod, sequenceNum, isReq); err != nil {
+	if err := broker.updateIndex(stub, srcServiceID, sequenceNum, dstAddr, reqType); err != nil {
 		return errorResponse(err.Error())
 	}
 
 	return successResponse(nil)
 }
 
+func (broker *Broker) getChainId(stub shim.ChaincodeStubInterface) pb.Response {
+	bxhId, err := stub.GetState(bxhID)
+	if err != nil {
+		return shim.Error(err.Error())
+	}
+
+	appchainId, err := stub.GetState(appchainID)
+	if err != nil {
+		return shim.Error(err.Error())
+	}
+
+	return successResponse([]byte(fmt.Sprintf("%s-%s", bxhId, appchainId)))
+}
+func (broker *Broker) genFullServiceID(stub shim.ChaincodeStubInterface, serviceId string) (string, error) {
+	bxhId, err := stub.GetState(bxhID)
+	if err != nil {
+		return "", err
+	}
+
+	appchainId, err := stub.GetState(appchainID)
+	if err != nil {
+		return "", err
+	}
+
+	return fmt.Sprintf("%s:%s:%s", bxhId, appchainId, serviceId), nil
+
+}
+
+func genServicePair(from, to string) string {
+	return fmt.Sprintf("%s-%s", from, to)
+}
+
 func (broker *Broker) invokeInterchain(stub shim.ChaincodeStubInterface, args []string) pb.Response {
 	if len(args) != 5 {
 		return errorResponse("incorrect number of arguments, expecting 5")
 	}
 
-	srcChainMethod := args[0]
+	srcChainServiceID := args[0]
 	sequenceNum := args[1]
 	targetCID := args[2]
-	isReq, err := strconv.ParseBool(args[3])
+	reqType, err := strconv.ParseUint(args[3], 10, 64)
 	if err != nil {
-		return errorResponse(fmt.Sprintf("cannot parse %s to bool", args[3]))
+		return errorResponse(fmt.Sprintf("cannot parse %s to uint64", args[3]))
 	}
 
-	if err := broker.updateIndex(stub, srcChainMethod, sequenceNum, isReq); err != nil {
+	if err := broker.updateIndex(stub, srcChainServiceID, sequenceNum, targetCID, reqType); err != nil {
 		return errorResponse(err.Error())
 	}
 
@@ -365,7 +440,13 @@ func (broker *Broker) invokeInterchain(stub shim.ChaincodeStubInterface, args []
 		return errorResponse(fmt.Sprintf("invoke chaincode '%s' function %s err: %s", splitedCID[1], callFunc.Func, response.Message))
 	}
 
-	inKey := broker.inMsgKey(srcChainMethod, sequenceNum)
+	curServiceID, err := broker.genFullServiceID(stub, targetCID)
+	if err != nil {
+		return errorResponse(err.Error())
+	}
+	inServicePair := genServicePair(srcChainServiceID, curServiceID)
+
+	inKey := broker.inMsgKey(inServicePair, sequenceNum)
 	value, err := json.Marshal(response)
 	if err != nil {
 		return errorResponse(err.Error())

example/contracts/src/broker/go.mod

+module github.com/meshplus/broker
+
+go 1.13
+
+require (
+	github.com/Knetic/govaluate v3.0.0+incompatible // indirect
+	github.com/Shopify/sarama v1.29.1 // indirect
+	github.com/fsouza/go-dockerclient v1.7.3 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/hashicorp/go-version v1.3.0 // indirect
+	github.com/hyperledger/fabric v1.4.3
+	github.com/hyperledger/fabric-amcl v0.0.0-20210603140002-2670f91851c8 // indirect
+	github.com/miekg/pkcs11 v1.0.3 // indirect
+	github.com/onsi/gomega v1.14.0 // indirect
+	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 // indirect
+	github.com/spf13/viper v1.8.1 // indirect
+	github.com/sykesm/zap-logfmt v0.0.4 // indirect
+	go.uber.org/zap v1.18.1 // indirect
+	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
+	google.golang.org/grpc v1.39.0 // indirect
+)
+
+replace github.com/golang/protobuf => github.com/golang/protobuf v1.3.2

example/contracts/src/broker/helper.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"strconv"
-	"strings"
 
 	"github.com/golang/protobuf/proto"
 	"github.com/hyperledger/fabric/core/chaincode/shim"
@@ -43,7 +42,7 @@ func errorResponse(msg string) pb.Response {
 		panic(err)
 	}
 
-	return shim.Success(data)
+	return shim.Error(string(data))
 }
 
 // putMap for persisting meta state into ledger
@@ -201,23 +200,3 @@ func (broker *Broker) checkWhitelist(stub shim.ChaincodeStubInterface, function
 
 	return broker.onlyWhitelist(stub)
 }
-
-func (broker *Broker) validDID(did string) bool {
-	s := strings.Split(did, ":")
-	if len(s) != 4 || s[0] != "did" || s[1] == "" || s[2] == "" || s[3] == "" {
-		return false
-	}
-	return true
-}
-
-func parseMethod(did string) string {
-	s := strings.Split(did, ":")
-	if len(s) != 4 || s[0] != "did" || s[1] == "" || s[2] == "" || s[3] == "" {
-		return ""
-	}
-	return fmt.Sprintf("%s:%s:%s:.", s[0], s[1], s[2])
-}
-
-func ErrInvalidDID(did string) pb.Response {
-	return errorResponse(fmt.Sprintf("Invalid did format for %s", did))
-}

example/contracts/src/broker/meta.go

@@ -21,9 +21,6 @@ func (broker *Broker) getOutMessage(stub shim.ChaincodeStubInterface, args []str
 	}
 	destChainMethod := args[0]
 	sequenceNum := args[1]
-	if !broker.validDID(destChainMethod) {
-		return ErrInvalidDID(destChainMethod)
-	}
 	key := broker.outMsgKey(destChainMethod, sequenceNum)
 	v, err := stub.GetState(key)
 	if err != nil {
@@ -45,12 +42,9 @@ func (broker *Broker) getInMessage(stub shim.ChaincodeStubInterface, args []stri
 	if len(args) < 2 {
 		return shim.Error("incorrect number of arguments, expecting 2")
 	}
-	sourceChainMethod := args[0]
+	inServicePair := args[0]
 	sequenceNum := args[1]
-	if !broker.validDID(sourceChainMethod) {
-		return ErrInvalidDID(sourceChainMethod)
-	}
-	key := broker.inMsgKey(sourceChainMethod, sequenceNum)
+	key := broker.inMsgKey(inServicePair, sequenceNum)
 	v, err := stub.GetState(key)
 	if err != nil {
 		return shim.Error(err.Error())
@@ -66,6 +60,14 @@ func (broker *Broker) getCallbackMeta(stub shim.ChaincodeStubInterface) pb.Respo
 	return shim.Success(v)
 }
 
+func (broker *Broker) getDstRollbackMeta(stub shim.ChaincodeStubInterface) pb.Response {
+	v, err := stub.GetState(dstRollbackMeta)
+	if err != nil {
+		return shim.Error(err.Error())
+	}
+	return shim.Success(v)
+}
+
 func (broker *Broker) markInCounter(stub shim.ChaincodeStubInterface, from string) error {
 	inMeta, err := broker.getMap(stub, innerMeta)
 	if err != nil {
@@ -86,3 +88,15 @@ func (broker *Broker) markCallbackCounter(stub shim.ChaincodeStubInterface, from
 
 	return broker.putMap(stub, callbackMeta, meta)
 }
+
+func (broker *Broker) markDstRollbackCounter(stub shim.ChaincodeStubInterface, from string, index uint64) error {
+	meta, err := broker.getMap(stub, dstRollbackMeta)
+
+	if err != nil {
+		return err
+	}
+
+	meta[from] = index
+
+	return broker.putMap(stub, dstRollbackMeta, meta)
+}

example/contracts/src/data_swapper/data_swapper.go

@@ -62,9 +62,9 @@ func (s *DataSwapper) get(stub shim.ChaincodeStubInterface, args []string) pb.Re
 
 		return shim.Success(value)
 	case 2:
-		// args[0]: destination appchain contract did
+		// args[0]: destination service id
 		// args[1]: key
-		b := util.ToChaincodeArgs(emitInterchainEventFunc, args[0], "interchainGet", args[2], "interchainSet", args[2], "", "")
+		b := util.ToChaincodeArgs(emitInterchainEventFunc, args[0], "interchainGet,interchainSet,", args[1], args[1], "")
 		response := stub.InvokeChaincode(brokerContractName, b, channelID)
 		if response.Status != shim.OK {
 			return shim.Error(fmt.Errorf("invoke broker chaincode %s error: %s", brokerContractName, response.Message).Error())

example/contracts/src/data_swapper/go.mod

+module github.com/meshplus/data_swapper
+
+go 1.13
+
+require (
+	github.com/Knetic/govaluate v3.0.0+incompatible // indirect
+	github.com/Shopify/sarama v1.29.1 // indirect
+	github.com/fsouza/go-dockerclient v1.7.3 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/hashicorp/go-version v1.3.0 // indirect
+	github.com/hyperledger/fabric v1.4.3
+	github.com/hyperledger/fabric-amcl v0.0.0-20210603140002-2670f91851c8 // indirect
+	github.com/miekg/pkcs11 v1.0.3 // indirect
+	github.com/onsi/gomega v1.14.0 // indirect
+	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 // indirect
+	github.com/spf13/viper v1.8.1 // indirect
+	github.com/sykesm/zap-logfmt v0.0.4 // indirect
+	go.uber.org/zap v1.18.1 // indirect
+	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
+	google.golang.org/grpc v1.39.0 // indirect
+)
+
+replace github.com/golang/protobuf => github.com/golang/protobuf v1.3.2

example/contracts/src/transfer/go.mod

+module github.com/meshplus/transfer
+
+go 1.13
+
+require (
+	github.com/Knetic/govaluate v3.0.0+incompatible // indirect
+	github.com/Shopify/sarama v1.29.1 // indirect
+	github.com/fsouza/go-dockerclient v1.7.3 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/hashicorp/go-version v1.3.0 // indirect
+	github.com/hyperledger/fabric v1.4.3
+	github.com/hyperledger/fabric-amcl v0.0.0-20210603140002-2670f91851c8 // indirect
+	github.com/miekg/pkcs11 v1.0.3 // indirect
+	github.com/onsi/gomega v1.14.0 // indirect
+	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 // indirect
+	github.com/spf13/viper v1.8.1 // indirect
+	github.com/sykesm/zap-logfmt v0.0.4 // indirect
+	go.uber.org/zap v1.18.1 // indirect
+	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
+	google.golang.org/grpc v1.39.0 // indirect
+)
+
+replace github.com/golang/protobuf => github.com/golang/protobuf v1.3.2

example/contracts/src/transfer/transfer.go

@@ -92,8 +92,7 @@ func (t *Transfer) transfer(stub shim.ChaincodeStubInterface, args []string) pb.
 
 		return shim.Success(nil)
 	case 4:
-		// args[0]: destination appchain contract did
-		destContractDID := args[0]
+		dstServiceID := args[0]
 		sender := args[1]
 		receiver := args[2]
 		amountArg := args[3]
@@ -119,9 +118,9 @@ func (t *Transfer) transfer(stub shim.ChaincodeStubInterface, args []string) pb.
 			return shim.Error(err.Error())
 		}
 
-		args := strings.Join([]string{sender, receiver, amountArg}, ",")
+		args := strings.Join([]string{sender, receiver, amountArg, "false"}, ",")
 		argsRb := strings.Join([]string{sender, amountArg}, ",")
-		b := util.ToChaincodeArgs(emitInterchainEventFunc, destContractDID, "interchainCharge", args, "", "", "interchainRollback", argsRb)
+		b := util.ToChaincodeArgs(emitInterchainEventFunc, dstServiceID, "interchainCharge,,interchainRollback", args, "", argsRb)
 		response := stub.InvokeChaincode(brokerContractName, b, channelID)
 		if response.Status != shim.OK {
 			return shim.Error(fmt.Errorf("invoke broker chaincode %s", response.Message).Error())
@@ -167,13 +166,14 @@ func (t *Transfer) setBalance(stub shim.ChaincodeStubInterface, args []string) p
 
 // charge user,amount
 func (t *Transfer) interchainCharge(stub shim.ChaincodeStubInterface, args []string) pb.Response {
-	if len(args) != 3 {
+	if len(args) != 4 {
 		return shim.Error("incorrect number of arguments, expect 3")
 	}
 
 	sender := args[0]
 	receiver := args[1]
 	amountArg := args[2]
+	isRollback := args[3]
 
 	// check for sender info
 	if sender == "" {
@@ -190,7 +190,12 @@ func (t *Transfer) interchainCharge(stub shim.ChaincodeStubInterface, args []str
 		return shim.Error(fmt.Errorf("get balancee from %s %w", receiver, err).Error())
 	}
 
-	balance += amount
+	// TODO: deal with rollback failure (balance not enough)
+	if isRollback == "true" {
+		balance -= amount
+	} else {
+		balance += amount
+	}
 	err = stub.PutState(receiver, []byte(strconv.FormatUint(balance, 10)))
 	if err != nil {
 		return shim.Error(err.Error())

go.mod

@@ -3,26 +3,23 @@ module github.com/meshplus/pier-client-fabric
 go 1.13
 
 require (
-	github.com/OneOfOne/xxhash v1.2.5 // indirect
+	github.com/Knetic/govaluate v3.0.0+incompatible // indirect
 	github.com/Rican7/retry v0.1.0
 	github.com/VividCortex/gohistogram v1.0.0 // indirect
 	github.com/cloudflare/cfssl v0.0.0-20190409034051-768cd563887f
-	github.com/elastic/gosigar v0.8.1-0.20180330100440-37f05ff46ffa // indirect
 	github.com/go-logfmt/logfmt v0.4.0 // indirect
-	github.com/golang/protobuf v1.4.3
+	github.com/golang/protobuf v1.5.2
 	github.com/google/certificate-transparency-go v1.1.0 // indirect
 	github.com/hashicorp/go-hclog v0.0.0-20180709165350-ff2cf002a8dd
 	github.com/hashicorp/go-plugin v1.3.0
 	github.com/hyperledger/fabric v2.0.1+incompatible
 	github.com/hyperledger/fabric-chaincode-go v0.0.0-20200511190512-bcfeb58dd83a
 	github.com/hyperledger/fabric-lib-go v1.0.0 // indirect
-	github.com/hyperledger/fabric-protos-go v0.0.0-20200330074707-cfe579e86986
+	github.com/hyperledger/fabric-protos-go v0.0.0-20201028172056-a3136dde2354
 	github.com/hyperledger/fabric-sdk-go v1.0.0-alpha5
-	github.com/meshplus/bitxhub-model v1.2.1-0.20210524073042-f243c2fee25b
-	github.com/meshplus/bitxid v0.0.0-20210412025850-e0eaf0f9063a
-	github.com/meshplus/pier v1.7.1-0.20210524093640-1337e0a53318
+	github.com/meshplus/bitxhub-model v1.2.1-0.20210805064451-03258148acad
+	github.com/meshplus/pier v1.11.1-0.20210809064238-de527e06d443
 	github.com/spf13/viper v1.7.0
-	sigs.k8s.io/yaml v1.2.0 // indirect
 )
 
 replace (
@@ -30,5 +27,4 @@ replace (
 	github.com/golang/protobuf => github.com/golang/protobuf v1.3.2
 	github.com/prometheus/client_golang => github.com/prometheus/client_golang v0.9.3
 	google.golang.org/genproto => google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884
-	google.golang.org/protobuf => google.golang.org/protobuf v1.21.0
 )

go.sum

@@ -40,6 +40,7 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
+github.com/Knetic/govaluate v1.5.0 h1:L4MyqdJSld9xr2eZcZHCWLfeIX2SBjqrwIKG1pcm/+4=
 github.com/Knetic/govaluate v3.0.0+incompatible h1:7o6+MAPhYTCF0+fdvoz1xDedhRb4f6s9Tn1Tt7/WTEg=
 github.com/Knetic/govaluate v3.0.0+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y=
@@ -61,6 +62,7 @@ github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrU
 github.com/VictoriaMetrics/fastcache v1.5.3/go.mod h1:+jv9Ckb+za/P1ZRg/sulP5Ni1v49daAVERr0H3CuscE=
 github.com/VictoriaMetrics/fastcache v1.5.7 h1:4y6y0G8PRzszQUYIQHHssv/jgPHAb5qQuuDNdCbyAgw=
 github.com/VictoriaMetrics/fastcache v1.5.7/go.mod h1:ptDBkNMQI4RtmVo8VS/XwRY6RoTu1dAWCbrk+6WsEM8=
+github.com/VictoriaMetrics/fastcache v1.6.0/go.mod h1:0qHz5QP0GMX4pfmMA/zt5RgfNuXJrTP0zS7DqpHGGTw=
 github.com/VividCortex/gohistogram v1.0.0 h1:6+hBz+qvs0JOrrNhhmR7lFxo5sINxBCGXrdtl/UvroE=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
@@ -157,6 +159,8 @@ github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGX
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/common-nighthawk/go-figure v0.0.0-20190529165535-67e0ed34491a/go.mod h1:mk5IQ+Y0ZeO87b858TlA645sVcEcbiX6YqP98kt+7+w=
 github.com/consensys/bavard v0.1.8-0.20210105233146-c16790d2aa8b/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
+github.com/consensys/bavard v0.1.8-0.20210406032232-f3452dc9b572/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
+github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f/go.mod h1:815PAHg3wvysy0SyIqanF8gZ0Y1wjk/hrDHD/iT88+Q=
 github.com/consensys/goff v0.3.10/go.mod h1:xTldOBEHmFiYS0gPXd3NsaEqZWlnmeWcRLWgD3ba3xc=
 github.com/consensys/gurvy v0.3.8/go.mod h1:sN75xnsiD593XnhbhvG2PkOy194pZBzqShWF/kwuW/g=
 github.com/coreos/bbolt v1.3.2 h1:wZwiHHUieZCquLkDL0B8UhzreNWsPHooDAG3q34zk0s=
@@ -237,6 +241,7 @@ github.com/ethereum/go-ethereum v1.9.18/go.mod h1:JSSTypSMTkGZtAdAChH2wP5dZEvPGh
 github.com/ethereum/go-ethereum v1.9.25/go.mod h1:vMkFiYLHI4tgPw4k2j4MHKoovchFE8plZ0M9VMk4/oM=
 github.com/ethereum/go-ethereum v1.10.2 h1:qRDI7ztIBsAFH0ULVjU+twnRUYV2ApT0XJBdxxaSNzk=
 github.com/ethereum/go-ethereum v1.10.2/go.mod h1:YmSRTZNqAvVUg3BIG8uhT/BOkFk9+R2iCbxw5zOlnWY=
+github.com/ethereum/go-ethereum v1.10.4/go.mod h1:nEE0TP5MtxGzOMd7egIrbPJMQBnhVU3ELNxhBglIzhg=
 github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239 h1:Ghm4eQYC0nEPnSJdVkTrXpu9KtoVCSo1hg7mtI7G9KU=
 github.com/fastly/go-utils v0.0.0-20180712184237-d95a45783239/go.mod h1:Gdwt2ce0yfBxPvZrHkprdPPTTS3N5rwmLE8T22KBXlw=
 github.com/fatih/color v1.3.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
@@ -380,6 +385,7 @@ github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
 github.com/golang/snappy v0.0.2-0.20200707131729-196ae77b8a26/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.3-0.20201103224600-674baa8c7fc3 h1:ur2rms48b3Ep1dxh7aUV2FZEQ8jEVO2F6ILKx8ofkAg=
 github.com/golang/snappy v0.0.3-0.20201103224600-674baa8c7fc3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2 h1:23T5iq8rbUYlhpt5DB4XJkc6BU31uODLD1o1gKvZmD0=
 github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2/go.mod h1:k9Qvh+8juN+UKMCS/3jFtGICgW8O96FVaZsaxdzDkR4=
 github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a h1:w8hkcTqaFpzKqonE9uMCefW1WDie15eSP/4MssdenaM=
@@ -523,6 +529,7 @@ github.com/hokaccha/go-prettyjson v0.0.0-20190818114111-108c894c2c0e/go.mod h1:p
 github.com/holiman/bloomfilter/v2 v2.0.3 h1:73e0e/V0tCydx14a0SCYS/EWCxgwLZ18CZcZKVu0fao=
 github.com/holiman/bloomfilter/v2 v2.0.3/go.mod h1:zpoh+gs7qcpqrHr3dB55AMiJwo0iURXE7ZOP9L9hSkA=
 github.com/holiman/uint256 v1.1.1/go.mod h1:y4ga/t+u+Xwd7CpDgZESaRcWy0I7XMlTMA25ApIH5Jw=
+github.com/holiman/uint256 v1.2.0/go.mod h1:y4ga/t+u+Xwd7CpDgZESaRcWy0I7XMlTMA25ApIH5Jw=
 github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/huin/goupnp v0.0.0-20161224104101-679507af18f3/go.mod h1:MZ2ZmwcBpvOoJ22IJsc7va19ZwoheaBk43rKg12SKag=
@@ -538,6 +545,7 @@ github.com/hyperledger/fabric v2.1.1+incompatible h1:cYYRv3vVg4kA6DmrixLxwn1nwBE
 github.com/hyperledger/fabric-amcl v0.0.0-20200128223036-d1aa2665426a h1:HgdNn3UYz8PdcZrLEk0IsSU4LRHp7yY2rgjIKcSiJaA=
 github.com/hyperledger/fabric-amcl v0.0.0-20200128223036-d1aa2665426a/go.mod h1:X+DIyUsaTmalOpmpQfIvFZjKHQedrURQ5t4YqquX7lE=
 github.com/hyperledger/fabric-amcl v0.0.0-20200424173818-327c9e2cf77a/go.mod h1:X+DIyUsaTmalOpmpQfIvFZjKHQedrURQ5t4YqquX7lE=
+github.com/hyperledger/fabric-amcl v0.0.0-20210603140002-2670f91851c8/go.mod h1:X+DIyUsaTmalOpmpQfIvFZjKHQedrURQ5t4YqquX7lE=
 github.com/hyperledger/fabric-chaincode-go v0.0.0-20200511190512-bcfeb58dd83a h1:KoFw2HnRfW+EItMP0zvUUl1FGzDb/7O0ov7uXZffQok=
 github.com/hyperledger/fabric-chaincode-go v0.0.0-20200511190512-bcfeb58dd83a/go.mod h1:N7H3sA7Tx4k/YzFq7U0EPdqJtqvM4Kild0JoCc7C0Dc=
 github.com/hyperledger/fabric-lib-go v1.0.0 h1:UL1w7c9LvHZUSkIvHTDGklxFv2kTeva1QI2emOVc324=
@@ -547,6 +555,8 @@ github.com/hyperledger/fabric-protos-go v0.0.0-20191121202242-f5500d5e3e85/go.mo
 github.com/hyperledger/fabric-protos-go v0.0.0-20200124220212-e9cfc186ba7b/go.mod h1:xVYTjK4DtZRBxZ2D9aE4y6AbLaPwue2o/criQyQbVD0=
 github.com/hyperledger/fabric-protos-go v0.0.0-20200330074707-cfe579e86986 h1:g9tgYXQPZcxRryp2/rutvfSCiiJzHNoyX7JaoXeGkZ8=
 github.com/hyperledger/fabric-protos-go v0.0.0-20200330074707-cfe579e86986/go.mod h1:xVYTjK4DtZRBxZ2D9aE4y6AbLaPwue2o/criQyQbVD0=
+github.com/hyperledger/fabric-protos-go v0.0.0-20201028172056-a3136dde2354 h1:6vLLEpvDbSlmUJFjg1hB5YMBpI+WgKguztlONcAFBoY=
+github.com/hyperledger/fabric-protos-go v0.0.0-20201028172056-a3136dde2354/go.mod h1:xVYTjK4DtZRBxZ2D9aE4y6AbLaPwue2o/criQyQbVD0=
 github.com/hyperledger/fabric-sdk-go v1.0.0-alpha5 h1:gc6CVOAM6Br4HMfs3N6ZSK9bJdZo4zhiEbrYS8fqVwA=
 github.com/hyperledger/fabric-sdk-go v1.0.0-alpha5/go.mod h1:kqYuM7jCDf1BbXWgbWaevpnlhDii5i4TkGXhfib2epU=
 github.com/hyperledger/fabric-sdk-go v1.0.0-beta2 h1:FBYygns0Qga+mQ4PXycyTU5m4N9KAZM+Ttf7agiV7M8=
@@ -881,6 +891,7 @@ github.com/meshplus/bitxhub-core v0.1.0-rc1.0.20201021153523-274a013bfd41/go.mod
 github.com/meshplus/bitxhub-core v0.1.0-rc1.0.20210204062242-16739cd5ee9a/go.mod h1:MHf0waxqnW4Qwfpq66jqvJP+FritN5OTs/8wlQcNlJY=
 github.com/meshplus/bitxhub-core v1.3.0/go.mod h1:2ksSKEiox4B06gSPT6h4+GcdWnh92/FDPUUImX/dI04=
 github.com/meshplus/bitxhub-core v1.3.1-0.20210524071255-789fd9ab501c/go.mod h1:3jozBvAkL1+asOJPvhCouIZoedWnhr79LgDAdX9o95I=
+github.com/meshplus/bitxhub-core v1.3.1-0.20210803021905-6eb15f02fc23/go.mod h1:yP/sWObKXNTovvopImIWNIy50vpdCdlrZkZM1RJoxts=
 github.com/meshplus/bitxhub-kit v1.0.0-rc1 h1:gNi8IFU5CMHT3KE2I4ACj5alMW9h/4cV8xOxn7wSmtA=
 github.com/meshplus/bitxhub-kit v1.0.0-rc1/go.mod h1:ra/AhOkPvpElI+wXrB9G6DjdcrdxFU3vMwA5MYKr9D0=
 github.com/meshplus/bitxhub-kit v1.0.0-rc2/go.mod h1:1XDQRhdVkFDwQH3SgKKyy+cpUyfozNmCqrudDXlh2Oo=
@@ -905,6 +916,8 @@ github.com/meshplus/bitxhub-kit v1.2.0 h1:lG6vyRD14bPoQFNU8ygmgzMXAy4xDlEueJyM6v
 github.com/meshplus/bitxhub-kit v1.2.0/go.mod h1:vGTKDkCAU7/IlirT6tlq6BMnCpY9UbfrrwGDy6foQIg=
 github.com/meshplus/bitxhub-kit v1.2.1-0.20210524063043-9afae78ac098 h1:/E1isgGcUXQhTlKgVZ7GULTqw+0mj/WZ1a+Yd5N7Bmg=
 github.com/meshplus/bitxhub-kit v1.2.1-0.20210524063043-9afae78ac098/go.mod h1:wrEdhHp1tktzdwcWb4bOxYsVc+KkcrYL18IYWYeumPQ=
+github.com/meshplus/bitxhub-kit v1.2.1-0.20210616114532-4849447f09e1 h1:rLkrRvNOduKx+w3sGxNQIUCFf2Qu6d/mvTCGZjsfVZw=
+github.com/meshplus/bitxhub-kit v1.2.1-0.20210616114532-4849447f09e1/go.mod h1:wrEdhHp1tktzdwcWb4bOxYsVc+KkcrYL18IYWYeumPQ=
 github.com/meshplus/bitxhub-model v1.0.0-rc3/go.mod h1:ZCctQIYTlE3vJ8Lhkrgs9bWwNA+Dw4JzojOSIzLVU6E=
 github.com/meshplus/bitxhub-model v1.0.0-rc4.0.20200429111056-62b55c3d4260 h1:C82XmTofR2/R/1rafiwjLkgTvzPN/0cOQHBbpxEXUyY=
 github.com/meshplus/bitxhub-model v1.0.0-rc4.0.20200429111056-62b55c3d4260/go.mod h1:QK8aACbxtZEA3Hk1BOCirW0uxMWLsMrLDpWz9FweIKM=
@@ -930,6 +943,10 @@ github.com/meshplus/bitxhub-model v1.2.1-0.20210512070527-c3a68359d36c/go.mod h1
 github.com/meshplus/bitxhub-model v1.2.1-0.20210524063354-5d48e2fee178/go.mod h1:vwJ+sHPUyA2JELmUUDBol+7zA+7GcqutxzqXjsN0QLA=
 github.com/meshplus/bitxhub-model v1.2.1-0.20210524073042-f243c2fee25b h1:X3USIatxU/mMy4P7y9/x6ONDHm3CFEgfTyHo4KGAt2o=
 github.com/meshplus/bitxhub-model v1.2.1-0.20210524073042-f243c2fee25b/go.mod h1:vwJ+sHPUyA2JELmUUDBol+7zA+7GcqutxzqXjsN0QLA=
+github.com/meshplus/bitxhub-model v1.2.1-0.20210629020432-d98febd566c1/go.mod h1:IjgoQrsn1wthW7XcKRqgaZqCSlqNy0SBwF/7lmGSqXc=
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@@ -941,6 +958,7 @@ github.com/meshplus/go-bitxhub-client v1.0.0-rc4.0.20200731031000-ec0387c42327/g
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@@ -962,6 +980,8 @@ github.com/meshplus/pier v1.7.1-0.20210520094508-a8b2d96fd5c5 h1:rgD8Sr6K3r5+X7k
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@@ -1205,6 +1225,7 @@ github.com/shirou/gopsutil v0.0.0-20180427012116-c95755e4bcd7/go.mod h1:5b4v6he4
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@@ -1220,6 +1241,8 @@ github.com/sirupsen/logrus v1.5.0 h1:1N5EYkVAPEywqZRJd7cwnRtCb6xJx7NH3T3WUTF980Q
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@@ -1286,6 +1309,8 @@ github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s
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@@ -1313,6 +1338,8 @@ github.com/timakin/bodyclose v0.0.0-20190930140734-f7f2e9bca95e h1:RumXZ56IrCj4C
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@@ -1343,6 +1370,7 @@ github.com/valyala/quicktemplate v1.2.0/go.mod h1:EH+4AkTd43SvgIbQHYu59/cJyxDoOV
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@@ -1430,6 +1458,8 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
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@@ -1465,6 +1495,8 @@ golang.org/x/mod v0.1.1-0.20191209134235-331c550502dd/go.mod h1:s0Qsj1ACt9ePp/hM
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@@ -1512,6 +1544,8 @@ golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81R
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@@ -1528,6 +1562,7 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -1588,8 +1623,13 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1667,6 +1707,8 @@ golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roY
 golang.org/x/tools v0.0.0-20201009162240-fcf82128ed91/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a h1:CB3a9Nez8M13wwlr/E2YtwoU+qYHKfC+JrDa45RXXoQ=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.0 h1:po9/4sTYwZU9lPhi1tOrb4hCv3qrhiQ77LZfGa2OjwY=
+golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
@@ -1746,10 +1788,13 @@ google.golang.org/grpc v1.36.0 h1:o1bcQ6imQMIOpdrO3SWf2z5RV72WbDwdXuK0MDlc8As=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.37.0 h1:uSZWeQJX5j11bIQ4AJoj+McDBo29cY1MCoC1wO3ts+c=
 google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
+google.golang.org/grpc v1.40.0 h1:AGJ0Ih4mHjSeibYkFGh1dD9KJ/eOtZ93I6hoHhukQ5Q=
 google.golang.org/grpc/examples v0.0.0-20210510171131-b1940e15f677 h1:wQ50l/w1vgTlPZv1anG/LLXW351vF/Gh5EtmB13/YYE=
 google.golang.org/grpc/examples v0.0.0-20210510171131-b1940e15f677/go.mod h1:Ly7ZA/ARzg8fnPU9TyZIxoz33sEUuWX7txiqs8lPTgE=
 google.golang.org/grpc/examples v0.0.0-20210519181852-3dd75a6888ce h1:Ch3oxgA17sj8n/1ZTciCtZO7Yvk0G+pUV3C2/rXqYyQ=
 google.golang.org/grpc/examples v0.0.0-20210519181852-3dd75a6888ce/go.mod h1:bF8wuZSAZTcbF7ZPKrDI/qY52toTP/yxLpRRY4Eu9Js=
+google.golang.org/grpc/examples v0.0.0-20210818220435-8ab16ef276a3 h1:gXMY2FHQpUjqxMJ2i8eM7cjy8Ma9QyUcB41I9WgZkDE=
+google.golang.org/grpc/examples v0.0.0-20210818220435-8ab16ef276a3/go.mod h1:bF8wuZSAZTcbF7ZPKrDI/qY52toTP/yxLpRRY4Eu9Js=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -1823,6 +1868,8 @@ honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.1.3 h1:qTakTkI6ni6LFD5sBwwsdSO+AQqbSIxOauHTTQKZ/7o=
+honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
 mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed h1:WX1yoOaKQfddO/mLzdV4wptyWgoH/6hwLs7QHTixo0I=
 mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
 mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b h1:DxJ5nJdkhDlLok9K6qO+5290kphDJbHOQO1DFFFTeBo=

receipt.go

@@ -2,14 +2,13 @@ package main
 
 import (
 	"fmt"
-	"time"
 
 	"github.com/meshplus/bitxhub-model/pb"
 )
 
-func (c *Client) generateCallback(original *pb.IBTP, args [][]byte, proof []byte, status bool) (result *pb.IBTP, err error) {
+func (c *Client) generateCallback(original *pb.IBTP, args [][]byte, status bool) (result *pb.IBTP, err error) {
 	if original == nil {
-		return nil, fmt.Errorf("got nil ibtp to generate receipt: %w", err)
+		return nil, fmt.Errorf("got nil ibtp To generate receipt: %w", err)
 	}
 	pd := &pb.Payload{}
 	if err := pd.Unmarshal(original.Payload); err != nil {
@@ -20,10 +19,9 @@ func (c *Client) generateCallback(original *pb.IBTP, args [][]byte, proof []byte
 	if err := originalContent.Unmarshal(pd.Content); err != nil {
 		return nil, fmt.Errorf("ibtp payload unmarshal: %w", err)
 	}
-	content := &pb.Content{
-		SrcContractId: originalContent.DstContractId,
-		DstContractId: originalContent.SrcContractId,
-	}
+
+	content := &pb.Content{}
+	typ := pb.IBTP_RECEIPT_SUCCESS
 
 	if status {
 		content.Func = originalContent.Callback
@@ -31,6 +29,11 @@ func (c *Client) generateCallback(original *pb.IBTP, args [][]byte, proof []byte
 	} else {
 		content.Func = originalContent.Rollback
 		content.Args = originalContent.ArgsRb
+		typ = pb.IBTP_RECEIPT_FAILURE
+	}
+
+	if original.Type == pb.IBTP_ROLLBACK {
+		typ = pb.IBTP_RECEIPT_ROLLBACK
 	}
 
 	b, err := content.Marshal()
@@ -46,19 +49,13 @@ func (c *Client) generateCallback(original *pb.IBTP, args [][]byte, proof []byte
 		return nil, err
 	}
 
-	typ := pb.IBTP_RECEIPT_SUCCESS
-	if !status {
-		typ = pb.IBTP_RECEIPT_FAILURE
-	}
-
 	return &pb.IBTP{
-		From:      original.From,
-		To:        original.To,
-		Index:     original.Index,
-		Type:      typ,
-		Timestamp: time.Now().UnixNano(),
-		Proof:     proof,
-		Payload:   pdb,
-		Version:   original.Version,
+		From:    original.From,
+		To:      original.To,
+		Index:   original.Index,
+		Type:    typ,
+		Proof:   original.Proof,
+		Payload: pdb,
+		Version: original.Version,
 	}, nil
 }