I don't think they will get blanket amnesty. This congress is too lazy, lame and afraid of the midterms to do anything productive. If the DACA participants have kept up their end of the DACA program and abided by the DACA guidelines, they should be allowed the opportunity to apply for citizenship. 
According to info on the U.S. Immigration and Customs site, many have already applied for green cards and over a thousand are already U.S. citizens. https://www.uscis.gov/
More info here from Sen. Grassley site. Again, he and his cronies should have been working on this instead of taking a recess. 
https://www.grassley.senate.gov/news/news-releases/data-indicate-unauthorized-immigrants-exploited-loophole-gain-legal-status