79 lines
2.8 KiB
TypeScript
79 lines
2.8 KiB
TypeScript
import { env, EnvVars } from '@0xproject/dev-utils';
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import { GanacheSubprovider, prependSubprovider } from '@0xproject/subproviders';
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import { errorUtils, logUtils } from '@0xproject/utils';
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import { Web3Wrapper } from '@0xproject/web3-wrapper';
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import * as fs from 'fs';
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import ProviderEngine = require('web3-provider-engine');
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import RpcSubprovider = require('web3-provider-engine/subproviders/rpc');
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import { config } from './config';
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import { coverage } from './coverage';
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import { profiler } from './profiler';
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enum ProviderType {
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Ganache = 'ganache',
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Geth = 'geth',
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}
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let testProvider: ProviderType;
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switch (process.env.TEST_PROVIDER) {
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case undefined:
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testProvider = ProviderType.Ganache;
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break;
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case 'ganache':
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testProvider = ProviderType.Ganache;
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break;
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case 'geth':
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testProvider = ProviderType.Geth;
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break;
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default:
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throw errorUtils.spawnSwitchErr('TEST_PROVIDER', process.env.TEST_PROVIDER);
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}
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export const provider = new ProviderEngine();
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if (testProvider === ProviderType.Ganache) {
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provider.addProvider(
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new GanacheSubprovider({
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logger: {
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log: (arg: any) => {
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fs.appendFileSync(config.ganacheLogFile, `${arg}\n`);
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},
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},
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verbose: env.parseBoolean(EnvVars.SolidityCoverage),
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networkId: config.networkId,
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mnemonic: config.mnemonic,
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}),
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);
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} else {
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provider.addProvider(new RpcSubprovider({ rpcUrl: 'http://localhost:8501' }));
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}
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provider.start();
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const isCoverageEnabled = env.parseBoolean(EnvVars.SolidityCoverage);
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const isProfilerEnabled = env.parseBoolean(EnvVars.SolidityProfiler);
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if (isCoverageEnabled && isProfilerEnabled) {
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throw new Error(
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`Unfortunately for now you can't enable both coverage and profiler at the same time. They both use coverage.json file and there is no way to configure that.`,
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);
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}
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if (isCoverageEnabled) {
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const coverageSubprovider = coverage.getCoverageSubproviderSingleton();
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prependSubprovider(provider, coverageSubprovider);
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}
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if (isProfilerEnabled) {
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if (testProvider === ProviderType.Ganache) {
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logUtils.warn(
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"Gas costs in Ganache traces are incorrect and we don't recommend using it for profiling. Please switch to Geth. Check README for more details",
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);
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process.exit(1);
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}
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const profilerSubprovider = profiler.getProfilerSubproviderSingleton();
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logUtils.log(
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"By default profilerSubprovider is stopped so that you don't get noise from setup code. Don't forget to start it before the code you want to profile and stop it afterwards",
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);
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profilerSubprovider.stop();
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prependSubprovider(provider, profilerSubprovider);
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}
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export const web3Wrapper = new Web3Wrapper(provider);
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