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hardhat.config.ts
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hardhat.config.ts
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import fs from "fs";
import "@nomicfoundation/hardhat-toolbox";
// import "@nomiclabs/hardhat-waffle";
import "@openzeppelin/hardhat-upgrades";
import "@typechain/hardhat";
import "hardhat-preprocessor";
import { HardhatUserConfig } from "hardhat/config";
import "./hardhat-tasks";
import { networks } from "./chainlink/networks";
function getRemappings(): [string, string][] {
return fs
.readFileSync("remappings.txt", "utf8")
.split("\n")
.filter(Boolean)
.map((line) => line.trim().split("=")) as [string, string][];
}
// Enable gas reporting (optional)
const REPORT_GAS =
process.env.REPORT_GAS?.toLowerCase() === "true" ? true : false;
const SOLC_SETTINGS = {
optimizer: {
enabled: true,
runs: 1_000,
},
};
// task("example", "Example task").setAction(example);
const config = {
defaultNetwork: "hardhat",
solidity: {
compilers: [
{
version: "0.8.9",
settings: SOLC_SETTINGS,
},
{
version: "0.8.4",
settings: SOLC_SETTINGS,
},
{
version: "0.7.0",
settings: SOLC_SETTINGS,
},
{
version: "0.6.6",
settings: SOLC_SETTINGS,
},
{
version: "0.4.24",
settings: SOLC_SETTINGS,
},
],
},
networks: {
hardhat: {
allowUnlimitedContractSize: true,
accounts: process.env.PRIVATE_KEY
? [
{
privateKey: process.env.PRIVATE_KEY,
balance: "10000000000000000000000",
},
]
: [],
},
...networks,
},
etherscan: {
// npx hardhat verify --network <NETWORK> <CONTRACT_ADDRESS> <CONSTRUCTOR_PARAMETERS>
// to get exact network names: npx hardhat verify --list-networks
apiKey: {
sepolia: networks.ethereumSepolia.verifyApiKey,
polygonMumbai: networks.polygonMumbai.verifyApiKey,
avalancheFujiTestnet: networks.avalancheFuji.verifyApiKey,
},
},
paths: {
sources: "./src", // Use ./src rather than ./contracts as Hardhat expects
cache: "./cache_hardhat", // Use a different cache for Hardhat than Foundry
tests: "./test",
},
mocha: {
timeout: 200000, // 200 seconds max for running tests
},
gasReporter: {
enabled: REPORT_GAS,
currency: "USD",
outputFile: "gas-report.txt",
noColors: true,
},
contractSizer: {
runOnCompile: false,
only: [
"FunctionsConsumer",
"AutomatedFunctionsConsumer",
"FunctionsBillingRegistry",
],
},
// This fully resolves paths for imports in the ./lib directory for Hardhat
preprocess: {
eachLine: (hre) => ({
transform: (line: string) => {
if (line.match(/^\s*import /i)) {
getRemappings().forEach(([find, replace]) => {
if (line.match(find)) {
line = line.replace(find, replace);
}
});
}
return line;
},
}),
},
};
export default config;