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hardhat.config.js
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hardhat.config.js
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/// ENVVAR
// - CI: output gas report to file instead of stdout
// - COVERAGE: enable coverage report
// - ENABLE_GAS_REPORT: enable gas report
// - COMPILE_MODE: production modes enables optimizations (default: development)
// - COMPILE_VERSION: compiler version (default: 0.8.9)
// - COINMARKETCAP: coinmarkercat api key for USD value in gas report
const fs = require('fs');
const path = require('path');
const argv = require('yargs/yargs')()
.env('')
.options({
coverage: {
type: 'boolean',
default: false,
},
gas: {
alias: 'enableGasReport',
type: 'boolean',
default: false,
},
gasReport: {
alias: 'enableGasReportPath',
type: 'string',
implies: 'gas',
default: undefined,
},
mode: {
alias: 'compileMode',
type: 'string',
choices: ['production', 'development'],
default: 'development',
},
ir: {
alias: 'enableIR',
type: 'boolean',
default: false,
},
compiler: {
alias: 'compileVersion',
type: 'string',
default: '0.8.13',
},
coinmarketcap: {
alias: 'coinmarketcapApiKey',
type: 'string',
},
}).argv;
require('@nomiclabs/hardhat-truffle5');
require('hardhat-ignore-warnings');
require('hardhat-exposed');
require('solidity-docgen');
for (const f of fs.readdirSync(path.join(__dirname, 'hardhat'))) {
require(path.join(__dirname, 'hardhat', f));
}
const withOptimizations = argv.gas || argv.compileMode === 'production';
/**
* @type import('hardhat/config').HardhatUserConfig
*/
module.exports = {
solidity: {
version: argv.compiler,
settings: {
optimizer: {
enabled: withOptimizations,
runs: 200,
},
viaIR: withOptimizations && argv.ir,
outputSelection: { '*': { '*': ['storageLayout'] } },
},
},
warnings: {
'contracts-exposed/**/*': {
'code-size': 'off',
},
'*': {
'code-size': withOptimizations,
'unused-param': !argv.coverage, // coverage causes unused-param warnings
default: 'error',
},
},
networks: {
hardhat: {
blockGasLimit: 10000000,
allowUnlimitedContractSize: !withOptimizations,
},
},
exposed: {
initializers: true,
exclude: [
'vendor/**/*',
// Exclude Timers from hardhat-exposed because its overloaded functions are not transformed correctly
'utils/Timers{,Upgradeable}.sol',
],
},
docgen: require('./docs/config'),
};
if (argv.gas) {
require('hardhat-gas-reporter');
module.exports.gasReporter = {
showMethodSig: true,
currency: 'USD',
outputFile: argv.gasReport,
coinmarketcap: argv.coinmarketcap,
};
}
if (argv.coverage) {
require('solidity-coverage');
module.exports.networks.hardhat.initialBaseFeePerGas = 0;
}