[FAB-6651] introduce new capability

FAB-6651 requires the introduction of new security checks at VSCC to filter
upgrade requests that could be malicious. These new checks however break
compatibility with the old behaviour of the validator and so a new capability
should be introduced.

Change-Id: I8bf9b80249832bf17728b2f6e04437feebfba344
Signed-off-by: Alessandro Sorniotti <[email protected]>

common/capabilities/application.go

@@ -57,3 +57,9 @@ func (ap *ApplicationProvider) ForbidDuplicateTXIdInBlock() bool {
 func (ap *ApplicationProvider) PrivateChannelData() bool {
 	return ap.v11PvtDataExperimental
 }
+
+// V1_1Validation returns true is this channel is configured to perform stricter validation
+// of transactions (as introduced in v1.1).
+func (ap *ApplicationProvider) V1_1Validation() bool {
+	return ap.v11
+}

common/capabilities/application_test.go

@@ -26,6 +26,8 @@ func TestApplicationV11(t *testing.T) {
 	})
 	assert.NoError(t, op.Supported())
 	assert.True(t, op.LifecycleViaConfig())
+	assert.True(t, op.ForbidDuplicateTXIdInBlock())
+	assert.True(t, op.V1_1Validation())
 }
 
 func TestApplicationPvtDataExperimental(t *testing.T) {

common/channelconfig/api.go

@@ -126,6 +126,10 @@ type ApplicationCapabilities interface {
 
 	// PrivateChannelData returns true if support for private channel data (a.k.a. collections) is enabled.
 	PrivateChannelData() bool
+
+	// V1_1Validation returns true is this channel is configured to perform stricter validation
+	// of transactions (as introduced in v1.1).
+	V1_1Validation() bool
 }
 
 // OrdererCapabilities defines the capabilities for the orderer portion of a channel

common/mocks/config/application.go

@@ -25,6 +25,7 @@ type MockApplicationCapabilities struct {
 	ForbidDuplicateTXIdInBlockRv bool
 	LifecycleViaConfigRv         bool
 	PrivateChannelDataRv         bool
+	V1_1ValidationRv             bool
 }
 
 func (mac *MockApplicationCapabilities) Supported() error {
@@ -42,3 +43,7 @@ func (mac *MockApplicationCapabilities) LifecycleViaConfig() bool {
 func (mac *MockApplicationCapabilities) PrivateChannelData() bool {
 	return mac.PrivateChannelDataRv
 }
+
+func (mac *MockApplicationCapabilities) V1_1Validation() bool {
+	return mac.V1_1ValidationRv
+}