feat: message: chain nodes relay indexer pubsub messages.

[gammazero]

This PR makes lotus chain nodes relay indexer pubsub messages. Indexer pubsub messages are authenticated against the blockchain and are subject to rate-limiting.

Related

https://github.com/filecoin-project/lotus/tree/feat/cid-to-piece-idx

Proposed Changes

• Ignore indexer messages that appear to come from the chain node
• Authenticate message by checking that the sending peer appears in the miner info.
• Rate limit overall messages
• Rate limit repeated announcements
• Ignore replayed messages
• Record messages metrics and topic scoring.

[codecov]

Codecov Report

Merging #8067 (a9954f9) into master (949a046) will decrease coverage by 0.55%.
The diff coverage is 42.50%.

❗ Current head a9954f9 differs from pull request most recent head 0da49b9. Consider uploading reports for the commit 0da49b9 to get more accurate results

@@            Coverage Diff             @@
##           master    #8067      +/-   ##
==========================================
- Coverage   40.13%   39.58%   -0.56%     
==========================================
  Files         666      643      -23     
  Lines       72761    68595    -4166     
==========================================
- Hits        29203    27150    -2053     
+ Misses      38448    36786    -1662     
+ Partials     5110     4659     -451     

Impacted Files	Coverage Δ
chain/sub/idxmsg/message.go	0.00% <0.00%> (ø)
metrics/metrics.go	100.00% <ø> (ø)
node/builder.go	75.75% <ø> (-0.72%)	⬇️
node/builder_chain.go	100.00% <ø> (ø)
chain/sub/incoming.go	44.03% <7.77%> (-13.77%)	⬇️
chain/sub/ratelimit/queue.go	63.88% <63.88%> (ø)
node/modules/services.go	59.12% <66.66%> (+1.14%)	⬆️
chain/sub/ratelimit/window.go	96.29% <96.29%> (ø)
build/params_shared_funcs.go	80.95% <100.00%> (+5.95%)	⬆️
node/modules/lp2p/pubsub.go	62.67% <100.00%> (+3.28%)	⬆️
... and 223 more

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[jennijuju]

Hi - are we certain this pr is targeted at v1.13.2? feel like should be a dev branch thing. (master?)

Also - please update the pr title according to instructions described in the pr template if aim to ship in master! thanks

[travisperson]

This was an temporary integration required till the feature landed in lotus during the v1.15.x releases

The same change set landed here: #7313