Yes bitcoinx wallet can't download the blockchain
log say :
2020-03-31 15:10:57 Potential stale tip detected, will try using extra outbound peer (last tip update: 1755 seconds ago)
even when you add manualy the last node lists
but a team is mining bitcoinx :
http://blog.vvpool.com/tutorial_en/bcx_en.html
someone know how to rescue a valid node ip using the minig pool adress