Ensure `settle` is only called after `closed_block` #319 #390
Ensure `settle` is only called after `closed_block` #319 #390

This also fixes order of the boolean comparison.

tomashaber/raiden,tomashaber/raiden,hackaugusto/raiden,charles-cooper/raiden,tomashaber/raiden,hackaugusto/raiden,charles-cooper/raiden,tomashaber/raiden,tomashaber/raiden