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Subnets subscription: Avoid dynamic subscribing blocking in case not enough peers per subnets are found. (#15471)

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* Subnets subscription: Avoid dynamic subscribing blocking in case not enough peers per subnets are found.

* `subscribeWithParameters`: Use struct to avoid too many function parameters (no functional changes).

* Optimise subnets search.

Currently, when we are looking for peers in let's say data column sidecars subnets 3, 6 and 7, we first look for peers in subnet 3.
If, during the crawling, we meet some peers with subnet 6, we discard them (because we are exclusively looking for peers with subnet 3).
When we are happy, we start again with peers with subnet 6.

This commit optimizes that by looking for peers with satisfy our constraints in one look.

* Fix James' comment.

* Fix James' comment.

* Fix James' comment.

* Fix James' commnet.

* Fix James' comment.

* Fix James' comment.

* Fix James's comment.

* Simplify following James' comment.

* Fix James' comment.

* Update beacon-chain/sync/rpc_goodbye.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

* Update config/params/config.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

* Update beacon-chain/sync/subscriber.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

* Fix Preston's comment.

* Fix Preston's comment.

* `TestService_BroadcastDataColumn`: Re-add sleep 50 ms.

* Fix Preston's comment.

* Update beacon-chain/p2p/subnets.go

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>

---------

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>
This commit is contained in:
Manu NALEPA
2025-07-18 19:19:15 +02:00
committed by GitHub
parent 8b53887891
commit cd0821d026
27 changed files with 988 additions and 778 deletions
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2
config/params/config.go
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@@ -427,6 +427,7 @@ func (b *BeaconChainConfig) TargetBlobsPerBlock(slot primitives.Slot) int {
return b.DeprecatedMaxBlobsPerBlock / 2
}
// MaxBlobsPerBlock returns the maximum number of blobs per block for the given slot.
func (b *BeaconChainConfig) MaxBlobsPerBlock(slot primitives.Slot) int {
epoch := primitives.Epoch(slot.DivSlot(b.SlotsPerEpoch))
@@ -449,6 +450,7 @@ func (b *BeaconChainConfig) MaxBlobsPerBlock(slot primitives.Slot) int {
if epoch >= b.ElectraForkEpoch {
return b.DeprecatedMaxBlobsPerBlockElectra
}
return b.DeprecatedMaxBlobsPerBlock
}