updated gencodec version to v0.1.1 (#4948)

* updated gencodec version to v0.1.1

* test: improve error messages for unexpected stream sizes in request manager tests

Author: Frozen

.travis.yml

@@ -40,7 +40,7 @@ install:
 #  - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.41.1
   - make go-get
   - go install golang.org/x/tools/cmd/[email protected]
-  - go install github.com/fjl/[email protected].0
+  - go install github.com/fjl/[email protected].1
   - echo "[WARN] - workaround for the GOPATH:"
   # sometimes Travis decides to respect GOPATH and creates a symlink, thus we have || true for such cases
   - rm $GOPATH/src/github.com/harmony-one/harmony || true;

p2p/stream/common/requestmanager/requestmanager_test.go

@@ -142,8 +142,11 @@ func TestRequestManager_RemoveStream(t *testing.T) {
 		t.Errorf("unexpected error: %v", errors.New("stream removed when doing request"))
 	}
 
-	if ts.rm.streams.Length() != 2 || ts.rm.available.Length() != 2 {
-		t.Errorf("unexpected stream size")
+	if l := ts.rm.streams.Length(); l != 2 {
+		t.Errorf("unexpected stream size, expected 2, got %d", l)
+	}
+	if l := ts.rm.available.Length(); l != 2 {
+		t.Errorf("unexpected stream size, expected 2, got %d", l)
 	}
 }