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import { env, EnvVars } from '@0xproject/dev-utils';
import { GanacheSubprovider, prependSubprovider } from '@0xproject/subproviders';
import { errorUtils, logUtils } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as fs from 'fs';
import ProviderEngine = require('web3-provider-engine');
import RpcSubprovider = require('web3-provider-engine/subproviders/rpc');
import { config } from './config';
import { coverage } from './coverage';
import { profiler } from './profiler';
enum ProviderType {
Ganache = 'ganache',
Geth = 'geth',
}
let testProvider: ProviderType;
switch (process.env.TEST_PROVIDER) {
case undefined:
testProvider = ProviderType.Ganache;
break;
case 'ganache':
testProvider = ProviderType.Ganache;
break;
case 'geth':
testProvider = ProviderType.Geth;
break;
default:
throw errorUtils.spawnSwitchErr('TEST_PROVIDER', process.env.TEST_PROVIDER);
}
export const provider = new ProviderEngine();
if (testProvider === ProviderType.Ganache) {
provider.addProvider(
new GanacheSubprovider({
logger: {
log: (arg: any) => {
fs.appendFileSync(config.ganacheLogFile, `${arg}\n`);
},
},
verbose: env.parseBoolean(EnvVars.SolidityCoverage),
networkId: config.networkId,
mnemonic: config.mnemonic,
}),
);
} else {
provider.addProvider(new RpcSubprovider({ rpcUrl: 'http://localhost:8501' }));
}
provider.start();
const isCoverageEnabled = env.parseBoolean(EnvVars.SolidityCoverage);
const isProfilerEnabled = env.parseBoolean(EnvVars.SolidityProfiler);
if (isCoverageEnabled && isProfilerEnabled) {
throw new Error(
`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.`,
);
}
if (isCoverageEnabled) {
const coverageSubprovider = coverage.getCoverageSubproviderSingleton();
prependSubprovider(provider, coverageSubprovider);
}
if (isProfilerEnabled) {
if (testProvider === ProviderType.Ganache) {
logUtils.warn(
"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",
);
process.exit(1);
}
const profilerSubprovider = profiler.getProfilerSubproviderSingleton();
logUtils.log(
"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",
);
profilerSubprovider.stop();
prependSubprovider(provider, profilerSubprovider);
}
export const web3Wrapper = new Web3Wrapper(provider);
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