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import { devConstants, env, EnvVars, web3Factory } from '@0xproject/dev-utils';
import { prependSubprovider, Web3ProviderEngine } from '@0xproject/subproviders';
import { logUtils } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as _ from 'lodash';
import { coverage } from './coverage';
import { profiler } from './profiler';
import { revertTrace } from './revert_trace';
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 new Error(`Unknown TEST_PROVIDER: ${process.env.TEST_PROVIDER}`);
}
const ganacheTxDefaults = {
from: devConstants.TESTRPC_FIRST_ADDRESS,
gas: devConstants.GAS_LIMIT,
};
const gethTxDefaults = {
from: devConstants.TESTRPC_FIRST_ADDRESS,
};
export const txDefaults = testProvider === ProviderType.Ganache ? ganacheTxDefaults : gethTxDefaults;
const gethConfigs = {
shouldUseInProcessGanache: false,
rpcUrl: 'http://localhost:8501',
shouldUseFakeGasEstimate: false,
};
const ganacheConfigs = {
shouldUseInProcessGanache: true,
};
const providerConfigs = testProvider === ProviderType.Ganache ? ganacheConfigs : gethConfigs;
export const provider: Web3ProviderEngine = web3Factory.getRpcProvider(providerConfigs);
const isCoverageEnabled = env.parseBoolean(EnvVars.SolidityCoverage);
const isProfilerEnabled = env.parseBoolean(EnvVars.SolidityProfiler);
const isRevertTraceEnabled = env.parseBoolean(EnvVars.SolidityRevertTrace);
const enabledSubproviderCount = _.filter(
[isCoverageEnabled, isProfilerEnabled, isRevertTraceEnabled],
_.identity.bind(_),
).length;
if (enabledSubproviderCount > 1) {
throw new Error(`Only one of coverage, profiler, or revert trace subproviders can be enabled at a time`);
}
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",
);
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);
}
if (isRevertTraceEnabled) {
const revertTraceSubprovider = revertTrace.getRevertTraceSubproviderSingleton();
prependSubprovider(provider, revertTraceSubprovider);
}
export const web3Wrapper = new Web3Wrapper(provider);
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