Files
protocol/contracts/test-utils/src/web3_wrapper.ts
2020-01-06 22:12:05 -08:00

55 lines
2.1 KiB
TypeScript

import { devConstants, env, EnvVars, Web3Config, web3Factory } from '@0x/dev-utils';
import { prependSubprovider, Web3ProviderEngine } from '@0x/subproviders';
import { logUtils } from '@0x/utils';
import { Web3Wrapper } from '@0x/web3-wrapper';
import * as _ from 'lodash';
import { constants } from './constants';
import { coverage } from './coverage';
import { profiler } from './profiler';
import { revertTrace } from './revert_trace';
export const txDefaults = {
from: devConstants.TESTRPC_FIRST_ADDRESS,
gas: devConstants.GAS_LIMIT,
gasPrice: constants.DEFAULT_GAS_PRICE,
};
export let providerConfigs: Web3Config = {
total_accounts: constants.NUM_TEST_ACCOUNTS,
shouldUseInProcessGanache: true,
shouldAllowUnlimitedContractSize: true,
hardfork: 'istanbul',
};
export const provider: Web3ProviderEngine = web3Factory.getRpcProvider(providerConfigs);
provider.stop();
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) {
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);