It's a u64, we should pass by copy. This is a big sweeping change,
but mainly mechanical (change one, compile, fix breakage, repeat).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This isuseful to find completely dead channels which are worthy of
closing.
Changelog-Added: JSON-RPC: `listpeerchannels` field `last_stable_connection` showing when we last held an established channel for a minute or more.
Changelog-Added: JSON-RPC: `listclosedchannels` field `last_stable_connection` showing when we last held an established channel for a minute or more.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: JSON-RPC: `listclosedchannels` to show old, dead channels we previously had with peers.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
