Given that the slaves rose up and murdered their slaveowners, who were also Haitian, there is no one left for them to collect from, even if you could find someone still alive from that period who worked as a slave. In other words, those slaves took payment, via genocide, a long time ago. That's one of the problems with murdering all your oppressors and seizing all their assets -- at that point you have no one left to blame when things go bad over the next few hundred years.
"That's one of the problems with murdering all your oppressors and seizing all their assets -- at that point you have no one left to blame when things go bad over the next few hundred years."
I recommend reading up on the history of Haiti. Independence was declared first (by the upper classes) and the 1804 massacre came later. There were, of course, a number of slave revolts that happened throughout that time, but the genocide was in 1804.