FAB-186 Implementation of Endorser and ESCC logic

https://jira.hyperledger.org/browse/FAB-186

This push-request implements the endorser and ESCC logic that are exercised
when a proposal is received by the peer. There are still a few missing pieces,
namely signature generation and verification, verification of the validity of
the signing certificate and replay attack protection. They will be added as
soon as COP/BCSSP interfaces are ready.

Change-Id: I35ecd3306605aca6c93399363648d228f397896a
Signed-off-by: Alessandro Sorniotti <ale.linux@sopit.net>

bddtests/chaincode.go

@@ -39,7 +39,7 @@ func createPropsalID() string {
 }
 
 // createChaincodeDeploymentSpec  Returns a deployment proposal of chaincode type
-func createProposalForChaincode(ccChaincodeDeploymentSpec *pb.ChaincodeDeploymentSpec) (proposal *pb.Proposal, err error) {
+func createProposalForChaincode(ccChaincodeDeploymentSpec *pb.ChaincodeDeploymentSpec, creator []byte) (proposal *pb.Proposal, err error) {
 	var ccDeploymentSpecBytes []byte
 	if ccDeploymentSpecBytes, err = proto.Marshal(ccChaincodeDeploymentSpec); err != nil {
 		return nil, fmt.Errorf("Error creating proposal from ChaincodeDeploymentSpec:  %s", err)
@@ -49,5 +49,5 @@ func createProposalForChaincode(ccChaincodeDeploymentSpec *pb.ChaincodeDeploymen
 		CtorMsg:     &pb.ChaincodeInput{Args: [][]byte{[]byte("deploy"), []byte("default"), ccDeploymentSpecBytes}}}
 	lcChaincodeInvocationSpec := &pb.ChaincodeInvocationSpec{ChaincodeSpec: lcChaincodeSpec}
 	// make proposal
-	return putils.CreateChaincodeProposal(lcChaincodeInvocationSpec)
+	return putils.CreateChaincodeProposal(lcChaincodeInvocationSpec, creator)
 }

bddtests/endorser_test.go

@@ -94,7 +94,8 @@ func (b *BDDContext) userCreatesADeploymentProposalUsingChaincodeDeploymentSpec(
 		return errRetFunc()
 	}
 	var proposal *pb.Proposal
-	if proposal, err = createProposalForChaincode(ccDeploymentSpec); err != nil {
+	// TODO: how should we get a cert from the command line?
+	if proposal, err = createProposalForChaincode(ccDeploymentSpec, []byte("cert")); err != nil {
 
 	}
 	if _, err = userRegistration.SetTagValue(proposalAlias, proposal); err != nil {

core/chaincode/chaincode_support.go

@@ -521,7 +521,7 @@ func (chaincodeSupport *ChaincodeSupport) Launch(context context.Context, t *pb.
 		var depPayload []byte
 
 		//hopefully we are restarting from existing image and the deployed transaction exists
-		depPayload, err = getCDSFromLCCC(context, string(DefaultChain), chaincode)
+		depPayload, err = GetCDSFromLCCC(context, string(DefaultChain), chaincode)
 		if err != nil {
 			return cID, cMsg, fmt.Errorf("Could not get deployment transaction from LCCC for %s - %s", chaincode, err)
 		}

core/chaincode/chaincodeexec.go

@@ -38,7 +38,7 @@ func createTx(typ pb.Transaction_Type, ccname string, args [][]byte) (*pb.Transa
 	return tx, nil
 }
 
-func getCDSFromLCCC(ctxt context.Context, chainID string, chaincodeID string) ([]byte, error) {
+func GetCDSFromLCCC(ctxt context.Context, chainID string, chaincodeID string) ([]byte, error) {
 	payload, _, err := ExecuteChaincode(ctxt, pb.Transaction_CHAINCODE_INVOKE, string(DefaultChain), "lccc", [][]byte{[]byte("getdepspec"), []byte(chainID), []byte(chaincodeID)})
 	return payload, err
 }

core/endorser/config.go

@@ -57,10 +57,10 @@ func SetupTestConfig() {
 	viper.AutomaticEnv()
 	replacer := strings.NewReplacer(".", "_")
 	viper.SetEnvKeyReplacer(replacer)
-	viper.SetConfigName("endorser") // name of config file (without extension)
-	viper.AddConfigPath("./")       // path to look for the config file in
-	err := viper.ReadInConfig()     // Find and read the config file
-	if err != nil {                 // Handle errors reading the config file
+	viper.SetConfigName("endorser_test") // name of config file (without extension)
+	viper.AddConfigPath("./")            // path to look for the config file in
+	err := viper.ReadInConfig()          // Find and read the config file
+	if err != nil {                      // Handle errors reading the config file
 		panic(fmt.Errorf("Fatal error config file: %s \n", err))
 	}