remove payloadType check when unmarhaling

routing/state.go

@@ -1,7 +1,6 @@
 package routing
 
 import (
-	"bytes"
 	"errors"
 	"github.com/gogo/protobuf/proto"
 	"github.com/libp2p/go-libp2p-core/crypto"
@@ -84,9 +83,6 @@ func UnmarshalSignedRoutingState(envelopeBytes []byte) (*SignedRoutingState, err
 // Fails if the signature is invalid, if the envelope has an unexpected payload type,
 // or if deserialization of the envelope payload fails.
 func SignedRoutingStateFromEnvelope(envelope *crypto.SignedEnvelope) (*SignedRoutingState, error) {
-	if bytes.Compare(envelope.PayloadType, StateEnvelopePayloadType) != 0 {
-		return nil, errors.New("unexpected envelope payload type")
-	}
 	var msg pb.RoutingStateRecord
 	err := proto.Unmarshal(envelope.Payload, &msg)
 	if err != nil {

routing/state_test.go

@@ -35,15 +35,4 @@ func TestSignedRoutingStateFromEnvelope(t *testing.T) {
 		_, err = UnmarshalSignedRoutingState(envBytes)
 		test.ExpectError(t, err, "unwrapping RoutingState from envelope should fail if envelope was created with wrong domain string")
 	})
-
-	t.Run("unwrapping from signed envelope fails if envelope has wrong payload type", func(t *testing.T) {
-		stateBytes, err := state.Marshal()
-		test.AssertNilError(t, err)
-		payloadType := []byte("wrong-payload-type")
-		env, err := crypto.MakeEnvelope(priv, StateEnvelopeDomain, payloadType, stateBytes)
-		test.AssertNilError(t, err)
-		envBytes, err := env.Marshal()
-		_, err = UnmarshalSignedRoutingState(envBytes)
-		test.ExpectError(t, err, "unwrapping RoutingState from envelope should fail if envelope was created with wrong payload type")
-	})
 }