[FABG-764] peer revoke integration test

 step 1: generate CRL (by bypassing fabric-ca)
 step 2: update MSP revocation_list in channel config
 step 3: perform revoke peer test


Change-Id: If3eddfcbf8b1f5f30f282a024b805b1368c45870
Signed-off-by: Sudesh Shetty <sudesh.shetty@securekey.com>

Author: sudeshrshetty

pkg/fab/resource/config.go

@@ -131,6 +131,32 @@ func CreateConfigEnvelope(data []byte) (*common.ConfigEnvelope, error) {
 	return configEnvelope, nil
 }
 
+//CreateConfigUpdateEnvelope creates configuration update envelope proto
+func CreateConfigUpdateEnvelope(data []byte) (*common.ConfigUpdateEnvelope, error) {
+
+	envelope := &common.Envelope{}
+	if err := proto.Unmarshal(data, envelope); err != nil {
+		return nil, errors.Wrap(err, "unmarshal envelope from config block failed")
+	}
+	payload := &common.Payload{}
+	if err := proto.Unmarshal(envelope.Payload, payload); err != nil {
+		return nil, errors.Wrap(err, "unmarshal payload from envelope failed")
+	}
+	channelHeader := &common.ChannelHeader{}
+	if err := proto.Unmarshal(payload.Header.ChannelHeader, channelHeader); err != nil {
+		return nil, errors.Wrap(err, "unmarshal payload from envelope failed")
+	}
+	if common.HeaderType(channelHeader.Type) != common.HeaderType_CONFIG {
+		return nil, errors.New("block must be of type 'CONFIG'")
+	}
+	configEnvelope := &common.ConfigUpdateEnvelope{}
+	if err := proto.Unmarshal(payload.Data, configEnvelope); err != nil {
+		return nil, errors.Wrap(err, "unmarshal config envelope failed")
+	}
+
+	return configEnvelope, nil
+}
+
 // GetLastConfigFromBlock returns the LastConfig data from the given block
 func GetLastConfigFromBlock(block *common.Block) (*common.LastConfig, error) {
 	if block.Metadata == nil {

test/integration/base_test_setup.go

@@ -187,6 +187,12 @@ func GetConfigOverridesPath(filename string) string {
 	return path.Join(goPath(), "src", metadata.Project, configPath, "overrides", filename)
 }
 
+// GetCryptoConfigPath returns the path to the named crypto-config override fixture file
+func GetCryptoConfigPath(filename string) string {
+	const configPath = "test/fixtures/fabric/v1/crypto-config"
+	return path.Join(goPath(), "src", metadata.Project, configPath, filename)
+}
+
 // goPath returns the current GOPATH. If the system
 // has multiple GOPATHs then the first is used.
 func goPath() string {