minor edit and add README

Author: chenchanglew

…aincode/enclave_go/tle_stub_Interface.go ecc_go/chaincode/enclave_go/tle_stub.goecc_go/chaincode/enclave_go/tle_stub_Interface.go renamed to ecc_go/chaincode/enclave_go/tle_stub.go ecc_go/chaincode/enclave_go/tle_stub_Interface.go renamed to ecc_go/chaincode/enclave_go/tle_stub.go

@@ -10,7 +10,6 @@ import (
 	"bytes"
 	"context"
 	"crypto/sha256"
-	"fmt"
 	"log"
 
 	"google.golang.org/grpc"
@@ -29,19 +28,19 @@ type TleStubInterface struct {
 }
 
 func NewTleStubInterface(stub shim.ChaincodeStubInterface, input *pb.ChaincodeInput, rwset *readWriteSet, sep StateEncryptionFunctions) shim.ChaincodeStubInterface {
-	logger.Warning("==== Get New TLE Interface =====")
+	logger.Debugf("==== Get New TLE Interface =====")
 	fpcStub := NewFpcStubInterface(stub, input, rwset, sep)
-	tleStub := TleStubInterface{fpcStub.(*FpcStubInterface), []byte{}, "host.docker.internal:50051"}
+	// TODO: get address somewhere else.
+	tleEnclaveAddr := "host.docker.internal:50051"
+	tleStub := TleStubInterface{fpcStub.(*FpcStubInterface), []byte{}, tleEnclaveAddr}
 	err := tleStub.InitTleStub()
 	if err != nil {
-		logger.Warningf("Error!! Initializing SKVS failed")
+		logger.Warningf("Error!! Initializing TLE failed")
 	}
 	return &tleStub
 }
 
 func (s *TleStubInterface) InitTleStub() error {
-	logger.Warningf(" === Initializing Tle Stub === ")
-
 	// TODO: establish secure connection to TLE
 	conn, err := grpc.Dial(s.Address, grpc.WithInsecure())
 	if err != nil {
@@ -56,7 +55,7 @@ func (s *TleStubInterface) InitTleStub() error {
 		return err
 	}
 	s.LastCommitHash = response.GetLastCommitHash()
-	logger.Warningf("tle Stub Init finish, lastCommitHash: %s", s.LastCommitHash)
+	logger.Debugf("tle Stub Init finish, lastCommitHash: %s", s.LastCommitHash)
 	return nil
 }
 
@@ -71,7 +70,6 @@ func (s *TleStubInterface) ValidateMeta(metadata []byte, encValue []byte) error
 }
 
 func (s *TleStubInterface) GetMeta(key string) ([]byte, error) {
-	logger.Warningf("Calling Get Meta from TLE, key: %s", key)
 	// Q: How to get the namespace? or we dont need namespace?
 	// TODO: establish secure connection to TLE
 	conn, err := grpc.Dial(s.Address, grpc.WithInsecure())
@@ -95,7 +93,6 @@ func (s *TleStubInterface) GetMeta(key string) ([]byte, error) {
 	// Process the response
 	data := response.GetData()
 	lastCommitHash := response.GetLastCommitHash()
-	fmt.Printf("Received data: %s, lastCommitHash: %s\n", string(data), string(lastCommitHash))
 
 	if bytes.Equal(s.LastCommitHash, lastCommitHash) {
 		return data, nil
@@ -104,8 +101,6 @@ func (s *TleStubInterface) GetMeta(key string) ([]byte, error) {
 }
 
 func (s *TleStubInterface) GetState(key string) ([]byte, error) {
-	logger.Warningf("Calling Get State (Start), key: %s", key)
-
 	// getmeta meta from TLE
 	metadata, err := s.GetMeta(key)
 	if err != nil {
@@ -124,8 +119,6 @@ func (s *TleStubInterface) GetState(key string) ([]byte, error) {
 		return nil, errors.New("KVS key not found")
 	}
 
-	logger.Warningf("Calling Get State, encValue: %x, Metadata: %x", encValue, metadata)
-
 	err = s.ValidateMeta(metadata, encValue)
 	if err != nil {
 		return nil, err

ecc_go/chaincode/solutionTLE.go

@@ -0,0 +1,26 @@
+/*
+Copyright IBM Corp. All Rights Reserved.
+
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package chaincode
+
+import (
+	"github.com/hyperledger/fabric-chaincode-go/shim"
+	"github.com/hyperledger/fabric-private-chaincode/ecc/chaincode"
+	"github.com/hyperledger/fabric-private-chaincode/ecc/chaincode/ercc"
+	"github.com/hyperledger/fabric-private-chaincode/ecc_go/chaincode/enclave_go"
+	"github.com/hyperledger/fabric-private-chaincode/internal/endorsement"
+)
+
+func NewTleChaincode(cc shim.Chaincode) *chaincode.EnclaveChaincode {
+	newStubInterfaceFunc := enclave_go.NewTleStubInterface
+	ecc := &chaincode.EnclaveChaincode{
+		Enclave:   enclave_go.NewEnclaveStub(cc, newStubInterfaceFunc),
+		Validator: endorsement.NewValidator(),
+		Extractor: &chaincode.ExtractorImpl{},
+		Ercc:      &ercc.StubImpl{},
+	}
+	return ecc
+}

tle_go/.gitignore

@@ -6,4 +6,4 @@ mrenclave
 details.env
 tmpBlocks/
 externalbuilder/
-lifecycle/
+lifecycle/

tle_go/Dockerfile

@@ -39,5 +39,5 @@ WORKDIR ${CC_PATH}
 EXPOSE ${CAAS_PORT}
 EXPOSE 50051
 
-# CMD ["tle"]
-CMD ["sleep", "infinity"]
+CMD ["tle"]
+# CMD ["sleep", "infinity"]

tle_go/Readme.md

@@ -53,4 +53,4 @@
         "fromHost": true
     }
 ]
-}
+}