-BEGIN VERIFY SCRIPT-
  sed -i 's|].chain_path, .blocks.|].blocks_path|g' $(git grep -l chain_path)
-END VERIFY SCRIPT-

The block index (CBlockTreeDB) is required to write and read blocks, so
move it to blockstorage. This allows to drop the txdb.h include from
`node/blockstorage.h`.

Can be reviewed with:

--color-moved=dimmed-zebra  --color-moved-ws=ignore-all-space

Can be reviewed with --word-diff-regex=.

-BEGIN VERIFY SCRIPT-
 sed -i 's|CBlockTreeDB|BlockTreeDB|g' $( git grep -l CBlockTreeDB )
-END VERIFY SCRIPT-