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BOLT 7: fix the requirements of channel_update.

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Hiroki Gondo 2018-12-07 21:13:26 +09:00 committed by Rusty Russell
parent cdb275b52e
commit f47e7e50f3
1 changed files with 4 additions and 4 deletions
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8
07-routing-gossip.md
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@ -495,15 +495,15 @@ The receiving node:
the specified chain):
- MUST ignore the channel update.
- if `timestamp` is NOT greater than that of the last-received
`channel_announcement` for this `short_channel_id` AND for `node_id`:
`channel_update` for this `short_channel_id` AND for `node_id`:
- SHOULD ignore the message.
- otherwise:
- if the `timestamp` is equal to the last-received `channel_announcement`
- if the `timestamp` is equal to the last-received `channel_update`
AND the fields (other than `signature`) differ:
- MAY blacklist this `node_id`.
- MAY forget all channels associated with it.
- if the `timestamp` is unreasonably far in the future:
- MAY discard the `channel_announcement`.
- MAY discard the `channel_update`.
- otherwise:
- SHOULD queue the message for rebroadcasting.
- MAY choose NOT to for messages longer than the minimum expected length.
@ -554,7 +554,7 @@ Encoding types:
* `1`: array of `short_channel_id` types, in ascending order, compressed with zlib deflate<sup>[1](#reference-1)</sup>
Note that a 65535-byte zlib message can decompress into 67632120
bytes<sup>[2](#reference-2)</sup>, but since the only valid contents
bytes<sup>[2](#reference-2)</sup>, but since the only valid contents
are unique 8-byte values, no more than 14 bytes can be duplicated
across the stream: as each duplicate takes at least 2 bits, no valid
contents could decompress to more then 3669960 bytes.