viem/_esm/utils/blob/toBlobSidecars.js

TypeScript Interface for Ethereum

import { blobsToCommitments, } from './blobsToCommitments.js';
import { blobsToProofs } from './blobsToProofs.js';
import { toBlobs } from './toBlobs.js';
/**
 * Transforms arbitrary data (or blobs, commitments, & proofs) into a sidecar array.
 *
 * @example
 * ```ts
 * import { toBlobSidecars, stringToHex } from 'viem'
 *
 * const sidecars = toBlobSidecars({ data: stringToHex('hello world') })
 * ```
 *
 * @example
 * ```ts
 * import {
 *   blobsToCommitments,
 *   toBlobs,
 *   blobsToProofs,
 *   toBlobSidecars,
 *   stringToHex
 * } from 'viem'
 *
 * const blobs = toBlobs({ data: stringToHex('hello world') })
 * const commitments = blobsToCommitments({ blobs, kzg })
 * const proofs = blobsToProofs({ blobs, commitments, kzg })
 *
 * const sidecars = toBlobSidecars({ blobs, commitments, proofs })
 * ```
 */
export function toBlobSidecars(parameters) {
    const { data, kzg, to } = parameters;
    const blobs = parameters.blobs ?? toBlobs({ data: data, to });
    const commitments = parameters.commitments ?? blobsToCommitments({ blobs, kzg: kzg, to });
    const proofs = parameters.proofs ?? blobsToProofs({ blobs, commitments, kzg: kzg, to });
    const sidecars = [];
    for (let i = 0; i < blobs.length; i++)
        sidecars.push({
            blob: blobs[i],
            commitment: commitments[i],
            proof: proofs[i],
        });
    return sidecars;
}
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