Prove owner->active delegation as discussed in https://github.com/bitshares/bsips/issues/94#issuecomment-464864829
Prove owner->active delegation as discussed in https://github.com/bitshares/bsips/issues/94#issuecomment-464864829

bitshares/bitshares-2,bitshares/bitshares-2,bitshares/bitshares-2,bitshares/bitshares-2