Hi Jeff,

I'm trying to get my head around the brd.c code with a view to introducing LMDB to the picocoin project.

There's a few things I don't yet get. It seems that brd no longer stores blocks in brd.blkdb (it's commented out in code) but uses brd.blocks instead. But, there are still attempts to write to brd.blkdb, like calling blkdb_add(), which I think will always fail.

So, can the blkdb.c code be removed or does it just need a tidy-up?