XX-4277 / Fix file transfer crashes

fileTransfer/e2e/wrapper.go

@@ -8,6 +8,7 @@
 package e2e
 
 import (
+	jww "github.com/spf13/jwalterweatherman"
 	"gitlab.com/elixxir/client/catalog"
 	"gitlab.com/elixxir/client/e2e"
 	"gitlab.com/elixxir/client/e2e/receive"
@@ -47,14 +48,19 @@ type e2eHandler interface {
 // NewWrapper generates a new file transfer manager using E2E.
 func NewWrapper(receiveCB ft.ReceiveCallback, p Params, ft ft.FileTransfer,
 	user ft.FtE2e) (*Wrapper, error) {
+	jww.INFO.Printf("[FT] NewWrapper")
+	e := user.GetE2E()
+	jww.INFO.Printf("[FT] GetE2E: %+v", e)
+
 	w := &Wrapper{
 		receiveCB: receiveCB,
 		ft:        ft,
 		p:         p,
 		myID:      user.GetReceptionIdentity().ID,
 		cmix:      user.GetCmix(),
-		e2e:       user.GetE2E(),
+		e2e:       e,
 	}
+	jww.INFO.Printf("[FT] before RegisterListener")
 
 	// Register listener to receive new file transfers
 	w.e2e.RegisterListener(&id.ZeroUser, catalog.NewFileTransfer, &listener{w})