@nomiclabs/hardhat-etherscan/src/undici.ts

Hardhat plugin for verifying contracts on etherscan

import type * as Undici from "undici";

function getDispatcher(): Undici.Dispatcher {
  const { ProxyAgent, getGlobalDispatcher } =
    require("undici") as typeof Undici;
  if (process.env.http_proxy !== undefined) {
    return new ProxyAgent(process.env.http_proxy);
  }

  return getGlobalDispatcher();
}

export async function sendGetRequest(
  url: URL
): Promise<Undici.Dispatcher.ResponseData> {
  const { request } = await import("undici");
  const dispatcher = getDispatcher();

  return request(url, {
    dispatcher,
    method: "GET",
  });
}

export async function sendPostRequest(
  url: URL,
  body: string
): Promise<Undici.Dispatcher.ResponseData> {
  const { request } = await import("undici");
  const dispatcher = getDispatcher();

  return request(url, {
    dispatcher,
    method: "POST",
    headers: { "Content-Type": "application/x-www-form-urlencoded" },
    body,
  });
}