use findblockbyheight instead of chainactive.
use findblockbyheight instead of chainactive.

aspaas/ion,bryceweiner/mojocoin,transferdev/Transfercoin,transferdev/Transfercoin,aspaas/ion,aspaas/ion,syfares/Transfercoin,MinuteManReserve/mmr-core,MinuteManReserve/mmr-core,transferdev/Transfercoin,bryceweiner/mojocoin,aspaas/ion,syfares/Transfercoin,syfares/Transfercoin,syfares/Transfercoin,bryceweiner/mojocoin,aspaas/ion,aspaas/ion,bryceweiner/mojocoin,Infernoman/Transfercoin,transferdev/Transfercoin,bryceweiner/mojocoin,Infernoman/Transfercoin,transferdev/Transfercoin,bryceweiner/mojocoin,Infernoman/Transfercoin,MinuteManReserve/mmr-core,Infernoman/Transfercoin,MinuteManReserve/mmr-core,Infernoman/Transfercoin,Infernoman/Transfercoin,MinuteManReserve/mmr-core,syfares/Transfercoin,syfares/Transfercoin,transferdev/Transfercoin