What should I do?

A good male friend was having a party and asked me to come and to being friends if I want. Sure enough I asked another guy friend to come along as thought they would get along. They even had mutual friends in common. Anyway the party was great, fun and what I exoected also it was quite many people. As I live far I organised before hand to crash at my friend place who was having a party and that was cool. Anyway as the party came to close which was in early morning hours my friend I brought was too wasted to drive home so we asked if he can also stay over and that was fine. Needless to say the night was full of tequila shots and open bar I woke up next to the guy I brought in my bed fully clothed and didn't remember how we got into bed. I asked him and he said I disappeared ( I usually do when I had enough and want my sleep) and when he came to check up on me in my wasted state said " just come and sleep" and so he did. Anyway in the morning when we woke up we went down for breakfast and my other friend who had a party didn't seem happy but didn't want bring anything up. My friend I brought had to go and I stayed longer to catch up with my friend without the party mode. After he said to me that he was upset because when I disappeared he came also looking for me but he saw us in bed together and was shocked , horrified and dissapointed. They are both good platonic friends and nothing ever happened between us also nothing happened between me and myfriend I shared a bed with, we just slept. He said that It was disrespectful but blamed my other friend as he had his own bed to go to he has made for him. I apologised for his hurt feelings and explained and that was that. Couple of weeks later apparently they met at other party and they had an argument about that night as my friend I shared a bed with thinks he/ we did nothing wrong and I am not with any of them romantically to get upset . So now they are both saying if I stay friend with the other they will end our friendship. They want me to choose. I feel pretty upset with both of them and feel like us not fair as honestly we are all good people
Who do you think is wrong if anyone? And what should I do?
I want to take the blame but both of them thinks is not my fault and did nothing wrong.
I just can't make sense of this as we are all good people.