@lodestar/prover/lib/verified_requests/eth_getCode.js

A Typescript implementation of the Ethereum Consensus light client

import { getErrorResponseForRequestWithFailedVerification, getResponseForRequest, getVerificationFailedMessage, } from "../utils/json_rpc.js";
import { verifyAccount, verifyCode } from "../utils/verification.js";
export const eth_getCode = async ({ rpc, payload, logger, proofProvider, }) => {
    const { params: [address, block], } = payload;
    // TODO: When batch requests are supported merged these two requests into one
    const accountProof = await verifyAccount({
        proofProvider,
        logger,
        rpc,
        address,
        block,
    });
    if (!accountProof.valid) {
        logger.error("Request could not be verified.", { method: payload.method, params: JSON.stringify(payload.params) });
        return getErrorResponseForRequestWithFailedVerification(payload, "account for eth_getCode request can not be verified.");
    }
    const codeProof = await verifyCode({
        proofProvider,
        logger,
        rpc,
        address,
        block,
        codeHash: accountProof.data.codeHash,
    });
    if (codeProof.valid) {
        return getResponseForRequest(payload, codeProof.data);
    }
    logger.error("Request could not be verified.", { method: payload.method, params: JSON.stringify(payload.params) });
    return getErrorResponseForRequestWithFailedVerification(payload, getVerificationFailedMessage("eth_getCode"));
};
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