@lodestar/beacon-node/lib/db/repositories/executionPayloadEnvelopeArchive.js

A Typescript implementation of the beacon chain

import { BUCKET_LENGTH, Repository, encodeKey as encodeDbKey } from "@lodestar/db";
import { ssz } from "@lodestar/types";
import { bytesToInt } from "@lodestar/utils";
import { Bucket, getBucketNameByValue } from "../buckets.js";
/**
 * Used to store finalized `SignedExecutionPayloadEnvelope`
 *
 * Indexed by slot for chronological archival
 */
export class ExecutionPayloadEnvelopeArchiveRepository extends Repository {
    constructor(config, db) {
        const bucket = Bucket.gloas_executionPayloadEnvelopeArchive;
        super(config, db, bucket, ssz.gloas.SignedExecutionPayloadEnvelope, getBucketNameByValue(bucket));
    }
    /**
     * Id is the slot from the envelope
     */
    getId(value) {
        return value.message.payload.slotNumber;
    }
    encodeKey(id) {
        return encodeDbKey(this.bucket, id);
    }
    decodeKey(data) {
        return bytesToInt(data.subarray(BUCKET_LENGTH), "be");
    }
}
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