@lodestar/config/lib/utils/validateBlobSchedule.js

Chain configuration required for lodestar

import { MAX_BLOB_COMMITMENTS_PER_BLOCK } from "@lodestar/params";
export function validateBlobSchedule(blobSchedule) {
    if (blobSchedule.length === 0) {
        return;
    }
    let previousEpoch;
    for (const [i, entry] of blobSchedule.entries()) {
        if (previousEpoch !== undefined) {
            if (entry.EPOCH < previousEpoch) {
                throw Error(`Invalid BLOB_SCHEDULE expected entries to be sorted by EPOCH in ascending order, ${entry.EPOCH} < ${previousEpoch} at index ${i}`);
            }
            if (entry.EPOCH === previousEpoch) {
                throw Error(`Invalid BLOB_SCHEDULE[${i}] entry with the same epoch value ${entry.EPOCH} as previous BLOB_SCHEDULE[${i - 1}] entry`);
            }
        }
        if (entry.MAX_BLOBS_PER_BLOCK > MAX_BLOB_COMMITMENTS_PER_BLOCK) {
            throw Error(`Invalid BLOB_SCHEDULE[${i}].MAX_BLOBS_PER_BLOCK value ${entry.MAX_BLOBS_PER_BLOCK} exceeds limit ${MAX_BLOB_COMMITMENTS_PER_BLOCK}`);
        }
        previousEpoch = entry.EPOCH;
    }
}
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