fix: prevent IllegalStateException when downloading headers (#132)
fix: prevent IllegalStateException when downloading headers (#132)

* fix: prevent IllegalStateException when downloading headers

* style: remove commented code
HashEngineering/darkcoinj,HashEngineering/dashj,HashEngineering/darkcoinj,HashEngineering/dashj,HashEngineering/darkcoinj,HashEngineering/dashj,HashEngineering/dashj