hardhat.config.ts

import { HardhatUserConfig, task } from "hardhat/config";
import { HttpNetworkUserConfig } from "hardhat/types";

import "@nomiclabs/hardhat-waffle";
import "hardhat-typechain";
import "hardhat-deploy";
import "hardhat-deploy-ethers";

// This is a sample Buidler task. To learn how to create your own go to
// https://buidler.dev/guides/create-task.html
task("accounts", "Prints the list of accounts", async (taskArgs, bre) => {
    const accounts = await bre.ethers.getSigners();

    for (const account of accounts) {
        console.log(await account.getAddress());
    }
});

// read MNEMONIC from file or from env variable
let mnemonic = process.env.MNEMONIC;

const infuraNetwork = (
    network: string,
    chainId?: number,
    gas?: number
): HttpNetworkUserConfig => {
    return {
        url: `https://${network}.infura.io/v3/${process.env.PROJECT_ID}`,
        chainId,
        gas,
        accounts: mnemonic ? { mnemonic } : undefined,
    };
};

const config: HardhatUserConfig = {
    networks: {
        hardhat: mnemonic ? { accounts: { mnemonic } } : {},
        localhost: {
            url: "http://localhost:8545",
            accounts: mnemonic ? { mnemonic } : undefined,
        },
        rinkeby: infuraNetwork("rinkeby", 4, 6283185),
        kovan: infuraNetwork("kovan", 42, 6283185),
        goerli: infuraNetwork("goerli", 5, 6283185),
        matic_testnet: infuraNetwork("polygon-mumbai", 80001),
        bsc_testnet: {
            url: "https://data-seed-prebsc-1-s1.binance.org:8545",
            chainId: 97,
            accounts: mnemonic ? { mnemonic } : undefined,
        },
        avax_testnet: {
            url: "https://api.avax-test.network/ext/bc/C/rpc",
            chainId: 0xa869,
            accounts: mnemonic ? { mnemonic } : undefined,
        },
    },
    solidity: {
        version: "0.7.4",
        settings: {
            optimizer: {
                enabled: true,
            },
        },
    },
    paths: {
        artifacts: "artifacts",
        deploy: "deploy",
        deployments: "deployments",
    },
    external: {
        contracts: [
            {
                artifacts: "node_modules/@cartesi/util/export/artifacts",
                deploy: "node_modules/@cartesi/util/dist/deploy",
            },
        ],
        deployments: {
            localhost: ["node_modules/@cartesi/util/deployments/localhost"],
            rinkeby: ["node_modules/@cartesi/util/deployments/rinkeby"],
            kovan: ["node_modules/@cartesi/util/deployments/kovan"],
            goerli: ["node_modules/@cartesi/util/deployments/goerli"],
            matic_testnet: [
                "node_modules/@cartesi/util/deployments/matic_testnet",
            ],
            bsc_testnet: ["node_modules/@cartesi/util/deployments/bsc_testnet"],
            avax_testnet: [
                "node_modules/@cartesi/util/deployments/avax_testnet",
            ],
        },
    },
    typechain: {
        outDir: "src/types",
        target: "ethers-v5",
    },
    namedAccounts: {
        deployer: {
            default: 0,
        },
        alice: {
            default: 0,
        },
        proxy: {
            default: 1,
        },
    },
};

export default config;