Mempool unblocker

clearMempool.js

// NOTE THIS IS A HARDHAT SCRIPT.  NEEDS A hardhat.config.json file.

const { ethers } = require("hardhat")

async function main() {
  const provider = new ethers.providers.JsonRpcProvider(process.env.SEPOLIA_RPC_URL)

  const gasPrice = await provider.getGasPrice()
  console.log(gasPrice)

  const sk1 = process.env.PRIVATE_KEY
  const sk2 = process.env.SECOND_PRIVATE_KEY
  if (!sk1 || !sk2) {
    throw Error(`sk1 or sk2 not defined: "${sk1}" and "${sk2}"`)
  }

  const DEV1 = new ethers.Wallet(sk1, provider)
  const DEV2 = new ethers.Wallet(sk2, provider)

  const nonce = await provider.getTransactionCount(DEV1.address, "latest")
  console.log("clearing nonce ", nonce)

  const tx = {
    from: DEV1.address,
    to: DEV2.address,
    value: ethers.utils.parseUnits("0.0000000001", "ether"),
    gasPrice: gasPrice,
    gasLimit: ethers.utils.hexlify(1000 * 100), // 10000 gwei
    nonce,
  }

  try {
    const transaction = await DEV1.sendTransaction(tx)
    console.log("transaction : ", transaction)
  } catch (error) {
    console.log("\nError in sending Tx: ", error)
    throw error
  }
}

main()

This gist was prepared in connection with this blog:
https://blog.chain.link/upgradable-smart-contracts/