hardhat.config.js

require('@nomiclabs/hardhat-waffle');
require('@openzeppelin/hardhat-upgrades');

DEFAULT_MNEMONIC = 'test test test test test test test test test test test junk';

/**
 * @type import('hardhat/config').HardhatUserConfig
 */
module.exports = {
    solidity: {
        compilers: [
            {
                version: '0.8.9',
                settings: {
                    optimizer: {
                        enabled: false,
                        // runs: 999999
                    },
                },
            },
            {
                version: '0.8.7',
                settings: {
                    optimizer: {
                        enabled: false,
                        // runs: 999999
                    },
                },
            },
            {
                version: '0.6.11',
                settings: {
                    optimizer: {
                        enabled: true,
                        runs: 999999,
                    },
                },
            },
            {
                version: '0.5.16',
            },
            {
                version: '0.8.7',
            },
            {
                version: '0.6.6',
            },
        ],

    },
    networks: {
        localhost: {
            url: 'http://127.0.0.1:8545',
            accounts: {
                mnemonic: DEFAULT_MNEMONIC,
                path: "m/44'/60'/0'/0",
                initialIndex: 0,
                count: 20,
            },
        },
        hardhat: {
            allowUnlimitedContractSize: true,
        },
    },
    paths: {
        sources: './tools-inputs/tools-calldata/contracts',
        tests: './test',
        cache: './cache',
        artifacts: './artifacts',
    },
};