There are two versions of update_tokens: one for the tokens used by this node,
which goes to the local table, and another for the remote tokens, used by
remote nodes, which goes to the peers table.
The former was implemented, the latter was not. Implement it.
One node: Origin does not issue a flush here, at least in the version of the
code we imported. However, a flush is present in all other variants, and won't
hurt, aside from creating an extra, probably very small, sstable. So I'm
flushing.
Signed-off-by: Glauber Costa <glommer@cloudius-systems.com>
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