some.js

import { Provider } from "@ethersproject/providers";
import { ContractTransaction } from "ethers";

export async function gasReport(tx:ContractTransaction, provider:Provider) {
    const [{ gasUsed }, gasPrice] = await Promise.all([
        tx.wait(),
        provider.getGasPrice(),
    ]);

    const costInWei = gasUsed.mul(gasPrice);
    const costInGwei = costInWei.div(1e9);
    const costInEth = costInGwei.toNumber() / 1e9;
    const usdPerEth = parseFloat(process.env.NAMEFI_USD_PER_ETHER || '') || 3000.0;

    console.log(`Gas used: ${gasUsed.toString()}
Gas price (wei): ${gasPrice.toString()}
Cost (in wei): ${costInWei.toString()}
Cost (in gwei): ${costInGwei.toString()}
Cost (in ethers): ${costInEth.toString()}
Cost (in USD): ${costInEth * usdPerEth}`);
}