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chore: refactor KZG API indicating deprecated functions and add recoverCellsAndKzgProofs #7031

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chore: refactor KZG API indicating deprecated functions and add recoverCellsAndKzgProofs #7031

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05c61db
initial changes needed
kevaundray Aug 16, 2024
be115a6
chore: add more explanation on deprecation note and yarn lint:fix
kevaundray Aug 16, 2024
a345529
Update packages/beacon-node/src/util/kzg.ts
kevaundray Aug 16, 2024
ee128da
Add Nico's suggestion
kevaundray Aug 16, 2024
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14 changes: 14 additions & 0 deletions packages/beacon-node/src/util/kzg.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -19,11 +19,17 @@ export let ckzg: {
computeBlobKzgProof(blob: Uint8Array, commitment: Uint8Array): Uint8Array;
verifyBlobKzgProof(blob: Uint8Array, commitment: Uint8Array, proof: Uint8Array): boolean;
verifyBlobKzgProofBatch(blobs: Uint8Array[], expectedKzgCommitments: Uint8Array[], kzgProofs: Uint8Array[]): boolean;
/** @deprecated Use `computeCellsAndKzgProofs` */
computeCells(blob: Uint8Array): Uint8Array[];
computeCellsAndKzgProofs(blob: Uint8Array): [Uint8Array[], Uint8Array[]];
/** @deprecated Now being done internally in `recoverCellsAndKzgProofs` */
cellsToBlob(cells: Uint8Array[]): Uint8Array;
/** @deprecated Use recoverCellsAndKzgProofs */
recoverAllCells(cellIds: number[], cells: Uint8Array[]): Uint8Array[];
recoverCellsAndKzgProofs(cellIndices: number[], cells: Uint8Array[]): [Uint8Array[], Uint8Array[]];
/** @deprecated This method is not used and has been removed from specs */
verifyCellKzgProof(commitmentBytes: Uint8Array, cellId: number, cell: Uint8Array, proofBytes: Uint8Array): boolean;
/** @deprecated This API will no longer take rowIndices in the future, in particular the rowIndices is no longer used. */
verifyCellKzgProofBatch(
commitmentsBytes: Uint8Array[],
rowIndices: number[],
Expand All @@ -44,6 +50,14 @@ export let ckzg: {
recoverAllCells: ckzgNotLoaded,
verifyCellKzgProof: ckzgNotLoaded,
verifyCellKzgProofBatch: ckzgNotLoaded,
recoverCellsAndKzgProofs(cellIndices: number[], cells: Uint8Array[]): [Uint8Array[], Uint8Array[]] {
// First recover all of the cells
const recoveredCells = this.recoverAllCells(cellIndices, cells);
// Convert the cells to a Blob
const blob = this.cellsToBlob(recoveredCells);
// Compute Cells and Proofs
return this.computeCellsAndKzgProofs(blob);
},
};

// Global variable __dirname no longer available in ES6 modules.
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