@lodestar/beacon-node/lib/node/utils/state.js

A Typescript implementation of the beacon chain

import { ssz } from "@lodestar/types";
import { interopDeposits } from "./interop/deposits.js";
import { getInteropState } from "./interop/state.js";
/**
 * Builds state for `dev` command, for sim testing and some other tests
 */
export function initDevState(config, validatorCount, interopStateOpts) {
    const deposits = interopDeposits(config, ssz.phase0.DepositDataRootList.defaultViewDU(), validatorCount, interopStateOpts);
    const state = getInteropState(config, interopStateOpts, deposits);
    return { deposits, state };
}
export async function writeDeposits(db, deposits) {
    for (let i = 0; i < deposits.length; i++) {
        await Promise.all([
            db.depositEvent.put(i, {
                blockNumber: i,
                index: i,
                depositData: deposits[i].data,
            }),
            db.depositDataRoot.put(i, ssz.phase0.DepositData.hashTreeRoot(deposits[i].data)),
        ]);
    }
}
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