hardhat/src/internal/builtin-plugins/node/index.ts

Hardhat is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.

import type { HardhatPlugin } from "../../../types/plugins.js";

import { ArgumentType } from "../../../types/arguments.js";
import { task } from "../../core/config.js";

const hardhatPlugin: HardhatPlugin = {
  id: "builtin:node",
  tasks: [
    task("node", "Start a JSON-RPC server on top of Hardhat Network")
      .addOption({
        name: "hostname",
        description:
          "The host to which to bind to for new connections (Defaults to 127.0.0.1 running locally, and 0.0.0.0 in Docker)",
        type: ArgumentType.STRING_WITHOUT_DEFAULT,
        defaultValue: undefined,
      })
      .addOption({
        name: "port",
        description: "The port on which to listen for new connections",
        type: ArgumentType.INT,
        defaultValue: 8545,
      })
      .addOption({
        name: "chainType",
        description:
          "The chain type to connect to. If not specified, the default chain type will be used.",
        type: ArgumentType.STRING_WITHOUT_DEFAULT,
        defaultValue: undefined,
      })
      .addOption({
        name: "chainId",
        description:
          "The chain id to connect to. If not specified, the default chain id will be used.",
        type: ArgumentType.INT,
        defaultValue: -1,
      })
      .addOption({
        name: "fork",
        description: "The URL of the JSON-RPC server to fork from",
        type: ArgumentType.STRING_WITHOUT_DEFAULT,
        defaultValue: undefined,
      })
      .addOption({
        name: "forkBlockNumber",
        description: "The block number to fork from",
        type: ArgumentType.INT,
        defaultValue: -1,
      })
      .setAction(async () => import("./task-action.js"))
      .build(),
  ],
  dependencies: () => [import("../network-manager/index.js")],
};

export default hardhatPlugin;