ox/dist/core/Kzg.d.ts

Ethereum Standard Library

import type * as Bytes from './Bytes.js';
import type * as Errors from './Errors.js';
/** @see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-4844.md#parameters */
export declare const versionedHashVersion = 1;
/** Root type for a KZG interface. */
export type Kzg = {
    /**
     * Convert a blob to a KZG commitment.
     */
    blobToKzgCommitment(blob: Bytes.Bytes): Bytes.Bytes;
    /**
     * Compute only the cells for a blob (PeerDAS, EIP-7594). Returns 128 cells.
     */
    computeCells(blob: Bytes.Bytes): readonly Bytes.Bytes[];
    /**
     * Compute the cells and KZG proofs for a blob (PeerDAS, EIP-7594).
     * Returns 128 cells and 128 proofs.
     */
    computeCellsAndKzgProofs(blob: Bytes.Bytes): {
        cells: readonly Bytes.Bytes[];
        proofs: readonly Bytes.Bytes[];
    };
    /**
     * Given at least 64 known cells of an extended blob, recover the full set
     * of 128 cells and 128 proofs (PeerDAS, EIP-7594).
     */
    recoverCellsAndKzgProofs(cellIndices: readonly number[], cells: readonly Bytes.Bytes[]): {
        cells: readonly Bytes.Bytes[];
        proofs: readonly Bytes.Bytes[];
    };
    /**
     * Verify a batch of cell KZG proofs against their commitments (PeerDAS,
     * EIP-7594).
     */
    verifyCellKzgProofBatch(commitments: readonly Bytes.Bytes[], cellIndices: readonly number[], cells: readonly Bytes.Bytes[], proofs: readonly Bytes.Bytes[]): boolean;
};
/**
 * Defines a KZG interface.
 *
 * @example
 * ```ts twoslash
 * // @noErrors
 * import * as cKzg from 'c-kzg'
 * import { Kzg } from 'ox'
 * import { Paths } from 'ox/trusted-setups'
 *
 * cKzg.loadTrustedSetup(Paths.mainnet)
 *
 * const kzg = Kzg.from(cKzg)
 * ```
 *
 * @param value - The KZG object to convert.
 * @returns The KZG interface object.
 */
export declare function from(value: Kzg): Kzg;
export declare namespace from {
    type ErrorType = Errors.GlobalErrorType;
}
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