mirror of
https://github.com/aljazceru/lightning.git
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2dda526d86
At cold start, if your node is behind the blocktip and you've sent your
peer a blockheight counter from the future, we shouldn't confuse ourselves
with our rollback/replay.
Should fix flakes in CI that were spotting BROKEN blockheight updates.
Logs below from a previuos CI fail (edited for relative clarity)
The one that sasy "{ SENT_ADD_ACK_REVOCATION:111 }, our current 108` is
the tell; the last line is the node finally catching up to the tip.
In the test we get into this state by stopping and restarting the node.
```
2023-07-22T11:24:28.2754533Z lightningd-1 2023-07-22T11:19:34.188Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-chan#2: Already have funding locked in
2023-07-22T11:24:28.2755486Z lightningd-1 2023-07-22T11:19:34.188Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-chan#2: attempting update blockheight a5b23dff5177badd6df725c
efeb83ceccbfc52dc64a16b38894a41f0ad8fa181
2023-07-22T11:24:28.2755778Z lightningd-1 2023-07-22T11:19:34.188Z DEBUG lightningd: update_blockheight: height = 108
2023-07-22T11:24:28.2766210Z lightningd-1 2023-07-22T11:19:34.210Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: init LOCAL: remote_per_commit = 029563e7c898
5d8b95bdfe19e47e494bb8ec8d53ff4edb93f156be57667bfee8c9, old_remote_per_commit = 02bf3117c149d324361f0b418db8984b1e29af70c773eb2865a41ff7f583c7c9ed next_idx_local = 3 next_idx_remote = 3 revocations_recei
ved = 2 feerates { SENT_ADD_ACK_REVOCATION:3750 } range 253-150000 blockheights { SENT_ADD_ACK_REVOCATION:111 }, our current 108
2023-07-22T11:24:28.2768866Z lightningd-1 2023-07-22T11:19:34.211Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: peer_out WIRE_CHANNEL_REESTABLISH
2023-07-22T11:24:28.2769416Z lightningd-1 2023-07-22T11:19:34.211Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: billboard: Sent reestablish, waiting for the
irs
2023-07-22T11:24:28.2771115Z lightningd-1 2023-07-22T11:19:34.212Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: peer_in WIRE_CHANNEL_REESTABLISH
2023-07-22T11:24:28.2774150Z lightningd-1 2023-07-22T11:19:34.212Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: Got reestablish commit=3 revoke=2
2023-07-22T11:24:28.2776056Z lightningd-1 2023-07-22T11:19:34.212Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: next_revocation_number = 2
2023-07-22T11:24:28.2805639Z lightningd-1 2023-07-22T11:19:34.239Z **BROKEN** 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: current blockheight 108 less than last 111
2023-07-22T11:24:28.2823960Z lightningd-1 2023-07-22T11:19:34.240Z DEBUG lightningd: Adding block 109: 5f67b6e110eb3c3457bea4fcf0d04ce9be90efeee5df8e083ed4266074ca911f
2023-07-22T11:24:28.2833154Z lightningd-1 2023-07-22T11:19:34.251Z **BROKEN** 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: current blockheight 108 less than last 111
2023-07-22T11:24:28.2833630Z lightningd-1 2023-07-22T11:19:34.252Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: Trying commit
2023-07-22T11:24:28.2834165Z lightningd-1 2023-07-22T11:19:34.252Z **BROKEN** 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: current blockheight 108 less than last 111
2023-07-22T11:24:28.2835070Z lightningd-1 2023-07-22T11:19:34.252Z DEBUG 022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59-channeld-chan#2: Can't send commit: nothing to send, feechange not wanted ({ SENT_ADD_ACK_REVOCATION:3750 }) blockheight not wanted ({ SENT_ADD_ACK_REVOCATION:111 })
2023-07-22T11:24:28.2835516Z lightningd-1 2023-07-22T11:19:34.350Z DEBUG lightningd: Adding block 110: 5f43f3ac9d808e3a309720d1b0727a00d5a3d3ddca71d97401e233637e87639c
2023-07-22T11:24:28.2835962Z lightningd-1 2023-07-22T11:19:34.476Z DEBUG lightningd: Adding block 111: 55b0d1e0a08ff6233e186e6735cb1cbec33e2b0a6e7d08f2622e8c1db30b54b9
```