@eth-optimism/ovm-truffle-provider-wrapper/build/index.js

Optimism Truffle Provider Wrapper

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const child_process_1 = require("child_process");
const startLocalNode = () => {
    const runText = `(async function(){ const {runFullnode} = require('@eth-optimism/rollup-full-node');runFullnode(true);})();`;
    const sub = child_process_1.spawn(process.argv[0], [`-e`, `${runText}`], {
        stdio: ['ignore', 'ignore', 2],
    });
    sub.on('error', (e) => {
        console.error(`Local server could not be started. Error details: ${e.message}, Stack: ${e.stack}`);
    });
    process.on('exit', () => {
        try {
            sub.kill();
        }
        catch (e) {
        }
    });
    child_process_1.execSync(`sleep 3`);
};
const wrapProvider = (provider) => {
    if (typeof provider !== 'object' || !provider['sendAsync']) {
        throw Error('Invalid provider. Exepcted provider to conform to Truffle provider interface!');
    }
    const chainId = process.env.OVM_CHAIN_ID || 108;
    const sendAsync = provider.sendAsync;
    provider.sendAsync = function (...args) {
        if (args[0].method === 'eth_sendTransaction') {
            args[0].params[0].chainId = chainId;
        }
        sendAsync.apply(this, args);
    };
    return provider;
};
let nodeStarted = false;
const wrapProviderAndStartLocalNode = (provider) => {
    if (!nodeStarted) {
        nodeStarted = true;
        startLocalNode();
    }
    return wrapProvider(provider);
};
module.exports = {
    wrapProvider,
    wrapProviderAndStartLocalNode,
};
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