Rusty Russell
61ccf18521
devtools/gossmap-compress: allow setting the nodeid explicitly for generated nodes.
...
This lets us make gossip which contains "real" nodes.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2024-08-07 20:35:30 +09:30
Rusty Russell
e3f06b2602
devtools/gossmap-compress: print out node ids.
...
This helps code using generate_gossip_store() too, since it can map its identifiers
to the nodeids which were used.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2024-08-07 11:18:55 +09:30
Rusty Russell
99e8e9246e
devtools/gossmap-compress: use transparent zlib compression if available.
...
Before:
```
-rw-rw-r-- 1 rusty rusty 1643258 Jul 26 09:51 compressed
```
After:
```
-rw-rw-r-- 1 rusty rusty 508332 Jul 26 09:49 compressed
```
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2024-08-07 11:18:55 +09:30
Rusty Russell
c93b4aafb2
devtools/gossmap-compress: decompress code.
...
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2024-08-07 11:18:55 +09:30
Rusty Russell
cf936d296e
devtools: add gossmap-compress to give minimal representation of gossmap topology.
...
Simple format, which doesn't include node information, just the channels.
Example:
```
$ ls -l gossip-store-2024-06-26
-rw------- 1 rusty rusty 98815543 Jul 26 09:47 gossip-store-2024-06-26
$ ./devtools/gossmap-compress -v compress gossip-store-2024-06-26 compressed
18693 nodes
61437 channels
46148 disabled channels (32620 no update)
9690 unique capacities
85 unique htlc_min
6867 unique htlc_max
807 unique basefee
2521 unique propfee
94 unique delay
$ ls -l compressed
-rw-rw-r-- 1 rusty rusty 1643258 Jul 26 09:51 compressed
```
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2024-08-07 11:18:55 +09:30
