This is exactly what everyone knew would happen.
The state of Oregon is not your friend.
Antifa is state backed, don't forget that. When you defend yourself against Antifa, be prepared to be attacked by the state. I don't know what the answer is, but that's the reality of the situation as it stands, currently.
edit: And just to clarify, that's not hyperbole... the Oregon AG sued the feds during the summer riots.
This is exactly what everyone knew would happen.
The state of Oregon is not your friend.
Antifa is state backed, don't forget that. When you defend yourself against Antifa, be prepared to be attacked by the state. I don't know what the answer is, but that's the reality of the situation as it stands, currently.