Upgrade go protobuff from 3-beta to 3

The protobuf files now are compiled when you run "make protos", or when they change.

https://jira.hyperledger.org/browse/FAB-108
https://jira.hyperledger.org/browse/FAB-109

Change-Id: I5bfabac127f5a4095f4bca826f245c0139b28efd
Signed-off-by: Yacov Manevich <yacovm@il.ibm.com>

Makefile

@@ -71,6 +71,9 @@ JAVASHIM_DEPS =  $(shell git ls-files core/chaincode/shim/java)
 PROJECT_FILES = $(shell git ls-files)
 IMAGES = base src ccenv peer membersrvc javaenv
 
+PROTOS=$(shell find . -name "*.proto" | grep -v "vendor" | grep -v "shim/java" | grep -v "/sdk")
+
+PB_GOS=$(patsubst %.proto,%.pb.go,${PROTOS})
 
 all: peer membersrvc checks
 
@@ -181,13 +184,15 @@ build/image/base/.dummy: $(BASEIMAGE_DEPS)
 	@touch $@
 
 # Special override for src-image
-build/image/src/.dummy: build/image/base/.dummy $(PROJECT_FILES)
+build/image/src/.dummy: $(PB_GOS) build/image/base/.dummy $(PROJECT_FILES)
 	@echo "Building docker src-image"
 	@mkdir -p $(@D)
 	@cat images/src/Dockerfile.in \
 		| sed -e 's/_TAG_/$(DOCKER_TAG)/g' \
 		> $(@D)/Dockerfile
-	@git ls-files | tar -jcT - > $(@D)/gopath.tar.bz2
+	@git ls-files > $(@D)/file_list.txt
+	@find . -name "*.pb.go" | grep -v vendor >> $(@D)/file_list.txt 
+	@cat $(@D)/file_list.txt | tar -jcT - > $(@D)/gopath.tar.bz2
 	docker build -t $(PROJECT_NAME)-src $(@D)
 	docker tag $(PROJECT_NAME)-src $(PROJECT_NAME)-src:$(DOCKER_TAG)
 	@touch $@
@@ -231,8 +236,13 @@ build/image/%/.dummy: build/image/src/.dummy build/docker/bin/%
 	@touch $@
 
 .PHONY: protos
-protos: gotools
-	./devenv/compile_protos.sh
+protos: gotools ${PB_GOS}
+
+
+%.pb.go: %.proto
+	protoc --proto_path=$(abspath $(@D)) --go_out=plugins=grpc:$(abspath $(@D)) $(abspath $(@D)/*.proto)
+
+
 
 base-image-clean:
 	-docker rmi -f $(PROJECT_NAME)-baseimage

consensus/pbft/batch.go

@@ -18,14 +18,14 @@ package pbft
 
 import (
 	"fmt"
-	"google/protobuf"
 	"time"
 
 	"github.com/hyperledger/fabric/consensus"
 	"github.com/hyperledger/fabric/consensus/util/events"
 	pb "github.com/hyperledger/fabric/protos"
 
 	"github.com/golang/protobuf/proto"
+	"github.com/golang/protobuf/ptypes/timestamp"
 	"github.com/op/go-logging"
 	"github.com/spf13/viper"
 )
@@ -242,7 +242,7 @@ func (op *obcBatch) sendBatch() events.Event {
 func (op *obcBatch) txToReq(tx []byte) *Request {
 	now := time.Now()
 	req := &Request{
-		Timestamp: &google_protobuf.Timestamp{
+		Timestamp: &timestamp.Timestamp{
 			Seconds: now.Unix(),
 			Nanos:   int32(now.UnixNano() % 1000000000),
 		},