prysm

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Manu NALEPA 7da7019a20 PeerDAS: Implement core. (#15192 )

* Fulu: Implement params.

* KZG tests: Re-implement `getRandBlob` to avoid tests cyclical dependencies.

Not ideal, but any better idea welcome.

* Fulu testing util: Implement `GenerateCellsAndProofs`.

* Create `RODataColumn`.

* Implement `MerkleProofKZGCommitments`.

* Export `leavesFromCommitments`.

* Implement peerDAS core.

* Add changelog.

* Update beacon-chain/core/peerdas/das_core.go

Co-authored-by: terence <terence@prysmaticlabs.com>

* Fix Terence's comment: Use `IsNil`.

* Fix Terence's comment: Avoid useless `filteredIndices`.

* Fix Terence's comment: Simplify odd/even cases.

* Fix Terence's comment: Use `IsNil`.

* Spectests: Add Fulu networking

* Fix Terence's comment: `CustodyGroups`: Stick to the spec by returning a (sorted) slice.

* Fix Terence's comment: `CustodyGroups`: Handle correctly the `maxUint256` case.

* Update beacon-chain/core/peerdas/das_core.go

Co-authored-by: terence <terence@prysmaticlabs.com>

* Fix Terence's comment: `ComputeColumnsForCustodyGroup`: Add test if `custodyGroup == numberOfCustodyGroup`

* `CustodyGroups`: Test if `custodyGroupCount > numberOfCustodyGroup`.

* `CustodyGroups`: Add a shortcut if all custody groups are needed.

* `ComputeCystodyGroupForColumn`: Move from `p2p_interface.go` to `das_core.go`.

* Fix Terence's comment: Fix `ComputeCustodyGroupForColumn`.

* Fix Terence's comment: Remove `constructCellsAndProofs` function.

* Fix Terence's comment: `ValidatorsCustodyRequirement`: Use effective balance instead of balance.

* `MerkleProofKZGCommitments`: Add tests

* Remove peer sampling.

* `DataColumnSidecars`: Add missing tests.

* Fix Jame's comment.

* Fix James' comment.

* Fix James' comment.

* Fix James' coment.

* Fix James' comment.

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Co-authored-by: terence <terence@prysmaticlabs.com>

2025-05-06 21:37:07 +00:00