Hi Nova, really sorry that you’re going through this. Take every step you can to make sure you’re looked after. Whether it’s a friend or a counseling service (if that’s available to you), please use them. It takes a while, but all that blame and anger on their own will wear your down if you’re not careful.
There’s a few fairly common behaviours with addicts I’ve picked up from here and other resources. Deception, and denial is part of that – especially when they’re face with the hard truth of their addiction. Blaming you for it is another – really important to remember that his driving is a choice he makes. He’ll use what he can to justify it, but it is his choice, and his action, and no one else’s. Least of all yours.