@lodestar/beacon-node/lib/db/repositories/eth1Data.js

A Typescript implementation of the beacon chain

import { Repository } from "@lodestar/db";
import { ssz } from "@lodestar/types";
import { bytesToInt } from "@lodestar/utils";
import { Bucket, getBucketNameByValue } from "../buckets.js";
export class Eth1DataRepository extends Repository {
    constructor(config, db) {
        const bucket = Bucket.phase0_eth1Data;
        super(config, db, bucket, ssz.phase0.Eth1DataOrdered, getBucketNameByValue(bucket));
    }
    decodeKey(data) {
        return bytesToInt(super.decodeKey(data), "be");
    }
    getId(_value) {
        throw new Error("Unable to create timestamp from block hash");
    }
    async batchPutValues(eth1Datas) {
        await this.batchPut(eth1Datas.map((eth1Data) => ({
            key: eth1Data.timestamp,
            value: eth1Data,
        })));
    }
    async deleteOld(timestamp) {
        await this.batchDelete(await this.keys({ lt: timestamp }));
    }
}
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