@kadena/hardhat-chainweb/lib/utils/runHardhatNetwork.js

Hardhat plugin for Kadena's Chainweb network

"use strict";
/* *************************************************************************** */
/* TODO */
Object.defineProperty(exports, "__esModule", { value: true });
exports.runHardHatNetwork = runHardHatNetwork;
const child_process_1 = require("child_process");
const logger_1 = require("./logger");
const sleep_1 = require("./sleep");
/* *************************************************************************** */
/* Run Hardhat Network */
async function runHardHatNetwork(port, logger) {
    const child = (0, child_process_1.spawn)('npx', ['hardhat', 'node', '--port', port.toString()], {
        detached: false, // FIXME not sure why this does not work as it should ...
    });
    let isClosed = false;
    const kill = (signal) => {
        if (!isClosed) {
            isClosed = child.kill(signal);
        }
    };
    const stdoutBuffer = (0, logger_1.streamLogger)(child.stdout, logger.info);
    const stderrBuffer = (0, logger_1.streamLogger)(child.stderr, logger.error);
    child.on('close', (exitCode) => {
        isClosed = true;
        if (stdoutBuffer.length > 0) {
            logger.info(stdoutBuffer);
        }
        if (stderrBuffer.length > 0) {
            logger.error(stderrBuffer);
        }
        if (exitCode === null) {
            logger.info(`terminated with code ${exitCode}`);
        }
        else if (exitCode != 0) {
            logger.error(`failed with code ${exitCode}`);
            throw new Error(`hardhat ${port} failed with code ${exitCode}`);
        }
    });
    await new Promise((resolve) => {
        child.on('spawn', resolve);
    });
    // kill child on exit
    process.on('exit', () => kill(0));
    process.on('SIGINT', () => kill('SIGINT'));
    process.on('uncaughtException', () => kill('SIGABRT'));
    // FIXME wait for proper messages and return an event if this triggered
    // actually, we may just block runHardHatNetwork until it's ready...
    logger.info(`wait 2 second for hardhat network to start`);
    await (0, sleep_1.sleep)(2000);
    return { kill, pid: child.pid };
}
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