Revert "Remove hardfork check"
Revert "Remove hardfork check"

This reverts commit 7de43df87c94393c7895769cf686472e8e6d6bc2.

bitshares/devshares,Ziftr/bitshares,jakeporter/Bitshares,frrp/bitshares,bitshares/devshares,bitshares/bitshares-0.x,jakeporter/Bitshares,RemitaBit/Remitabit,camponez/bitshares,bitshares/bitshares,bitshares/bitshares-0.x,Ziftr/bitshares,bitshares/bitshares-0.x,camponez/bitshares,RemitaBit/Remitabit,bitshares/bitshares,FollowMyVote/bitshares,jakeporter/Bitshares,camponez/bitshares,frrp/bitshares,frrp/bitshares,camponez/bitshares,bitshares/bitshares,Ziftr/bitshares,frrp/bitshares,FollowMyVote/bitshares,bitshares/devshares,bitshares/devshares,RemitaBit/Remitabit,RemitaBit/Remitabit,frrp/bitshares,bitshares/devshares,Ziftr/bitshares,FollowMyVote/bitshares,bitshares/bitshares-0.x,jakeporter/Bitshares,camponez/bitshares,camponez/bitshares,bitshares/bitshares,frrp/bitshares,RemitaBit/Remitabit,bitshares/bitshares,bitshares/bitshares,bitshares/bitshares-0.x,FollowMyVote/bitshares,jakeporter/Bitshares,jakeporter/Bitshares,FollowMyVote/bitshares,FollowMyVote/bitshares,bitshares/bitshares-0.x,bitshares/devshares,RemitaBit/Remitabit