We also now use the graph DB's own optional functions. An instance of the graph is currently still passed to the channeldb's `CreateWithBackend` function. This will be removed in a later commit once the two have been completely disjoint.
We also now use the graph DB's own optional functions. An instance of the graph is currently still passed to the channeldb's `CreateWithBackend` function. This will be removed in a later commit once the two have been completely disjoint.