Paymaster Scripts

package.json

{
  "name": "scripts",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "ethers": "5.7.0",
    "viem": "^2.7.8"
  }
}

sponsorship-paymaster-make-deposit.ts

import { ethers } from "ethers";

const paymasterAddress = '0x00000f79b7faf42eebadba19acc07cd08af44789';
const paymasterAbi = [{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"contract IEntryPoint","name":"_entryPoint","type":"address"},{"internalType":"address","name":"_verifyingSigner","type":"address"}],"stateMutability":"payable","type":"constructor"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"CallerIsNotAnEntryPoint","type":"error"},{"inputs":[],"name":"CanNotWithdrawToZeroAddress","type":"error"},{"inputs":[],"name":"DepositCanNotBeZero","type":"error"},{"inputs":[],"name":"EntryPointCannotBeZero","type":"error"},{"inputs":[{"internalType":"uint256","name":"amountRequired","type":"uint256"},{"internalType":"uint256","name":"currentBalance","type":"uint256"}],"name":"InsufficientBalance","type":"error"},{"inputs":[{"internalType":"uint256","name":"sigLength","type":"uint256"}],"name":"InvalidPaymasterSignatureLength","type":"error"},{"inputs":[],"name":"PaymasterIdCannotBeZero","type":"error"},{"inputs":[],"name":"VerifyingSignerCannotBeZero","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_oldValue","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"_newValue","type":"uint256"}],"name":"EPGasOverheadChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_paymasterId","type":"address"},{"indexed":true,"internalType":"uint256","name":"_charge","type":"uint256"}],"name":"GasBalanceDeducted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_paymasterId","type":"address"},{"indexed":true,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"GasDeposited","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_paymasterId","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":true,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"GasWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_oldSigner","type":"address"},{"indexed":true,"internalType":"address","name":"_newSigner","type":"address"},{"indexed":true,"internalType":"address","name":"_actor","type":"address"}],"name":"VerifyingSignerChanged","type":"event"},{"inputs":[{"internalType":"uint32","name":"unstakeDelaySec","type":"uint32"}],"name":"addStake","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"deposit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"paymasterId","type":"address"}],"name":"depositFor","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"entryPoint","outputs":[{"internalType":"contract IEntryPoint","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"paymasterId","type":"address"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"bytes","name":"initCode","type":"bytes"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"uint256","name":"callGasLimit","type":"uint256"},{"internalType":"uint256","name":"verificationGasLimit","type":"uint256"},{"internalType":"uint256","name":"preVerificationGas","type":"uint256"},{"internalType":"uint256","name":"maxFeePerGas","type":"uint256"},{"internalType":"uint256","name":"maxPriorityFeePerGas","type":"uint256"},{"internalType":"bytes","name":"paymasterAndData","type":"bytes"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct UserOperation","name":"userOp","type":"tuple"},{"internalType":"address","name":"paymasterId","type":"address"},{"internalType":"uint48","name":"validUntil","type":"uint48"},{"internalType":"uint48","name":"validAfter","type":"uint48"}],"name":"getHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"paymasterIdBalances","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"enum IPaymaster.PostOpMode","name":"mode","type":"uint8"},{"internalType":"bytes","name":"context","type":"bytes"},{"internalType":"uint256","name":"actualGasCost","type":"uint256"}],"name":"postOp","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newVerifyingSigner","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setUnaccountedEPGasOverhead","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unlockStake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"bytes","name":"initCode","type":"bytes"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"uint256","name":"callGasLimit","type":"uint256"},{"internalType":"uint256","name":"verificationGasLimit","type":"uint256"},{"internalType":"uint256","name":"preVerificationGas","type":"uint256"},{"internalType":"uint256","name":"maxFeePerGas","type":"uint256"},{"internalType":"uint256","name":"maxPriorityFeePerGas","type":"uint256"},{"internalType":"bytes","name":"paymasterAndData","type":"bytes"},{"internalType":"bytes","name":"signature","type":"bytes"}],"internalType":"struct UserOperation","name":"userOp","type":"tuple"},{"internalType":"bytes32","name":"userOpHash","type":"bytes32"},{"internalType":"uint256","name":"maxCost","type":"uint256"}],"name":"validatePaymasterUserOp","outputs":[{"internalType":"bytes","name":"context","type":"bytes"},{"internalType":"uint256","name":"validationData","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"verifyingSigner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"withdrawAddress","type":"address"}],"name":"withdrawStake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"withdrawAddress","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawTo","outputs":[],"stateMutability":"nonpayable","type":"function"}]

const makeSponsorshipPaymasterDeposit = async () => {
  try {
    const jsonRpcProvider = new ethers.providers.JsonRpcProvider("RPC_URL"); 
    const privateKey = "PRIVATE_KEY"; // private key that holds the funds to deposit
    const paymaster = new ethers.Contract(paymasterAddress, paymasterAbi, jsonRpcProvider);
    const {
      data
    } = await paymaster.populateTransaction.depositFor("PAYMASTER_ID");
    const wallet = new ethers.Wallet(privateKey, jsonRpcProvider);
    const tranasction = {
      to: paymasterAddress,
      data,
      // gasLimit: '0x7A120',
      value: ethers.utils.parseEther("") // value in ether
    };
    const signedTransaction = await wallet.sendTransaction(tranasction);
    console.log(signedTransaction);
  } catch (error) {
    console.log(error);
  }
}

makeSponsorshipPaymasterDeposit();

token-paymaster-deposit-check.ts

import { createPublicClient, getContract, http, toHex } from "viem";

const entryPointAddress = "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789";
const tokenPaymasterAddress = '0x00000f7365cA6C59A2C93719ad53d567ed49c14C';
const entryPointAbi = [{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"deposits","outputs":[{"internalType":"uint112","name":"deposit","type":"uint112"},{"internalType":"bool","name":"staked","type":"bool"},{"internalType":"uint112","name":"stake","type":"uint112"},{"internalType":"uint32","name":"unstakeDelaySec","type":"uint32"},{"internalType":"uint48","name":"withdrawTime","type":"uint48"}],"stateMutability":"view","type":"function"}] as const;


const checkTokenPaymasterDeposit = async () => {
  try {
      const client = createPublicClient({
        transport: http("RPC_URL")
      }) 

      const deposits = await client.readContract({
        abi: entryPointAbi,
        address: entryPointAddress,
        functionName: "deposits",
        args: [tokenPaymasterAddress]
      })
      console.log(`Deposit is ${(deposits[0])}`); // divide the value returned by 10^18
  } catch (error) {
    console.log(error);
  }
}

checkTokenPaymasterDeposit();

token-paymaster-make-deposit.ts

import { ethers } from "ethers";

const entryPointAddress = '0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789';
const tokenPaymasterAddress = '0x00000f7365cA6C59A2C93719ad53d567ed49c14C';
const entryPointAbi = [{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"depositTo","outputs":[],"stateMutability":"payable","type":"function"}]

const makeTokenPaymasterDeposit = async () => {
  try {
    const jsonRpcProvider = new ethers.providers.JsonRpcProvider("RPC_URL"); 
    const privateKey = "PRIVATE_KEY"; // private key that holds the funds to deposit
    const entryPoint = new ethers.Contract(entryPointAddress, entryPointAbi, jsonRpcProvider);
    const {
      data
    } = await entryPoint.populateTransaction.depositTo(tokenPaymasterAddress);
    const wallet = new ethers.Wallet(privateKey, jsonRpcProvider);
    const tranasction = {
      to: entryPointAddress,
      data,
      // gasLimit: '0x7A120',
      value: ethers.utils.parseEther("") // value in ether
    };
    const signedTransaction = await wallet.sendTransaction(tranasction);
    console.log(signedTransaction);
  } catch (error) {
    console.log(error);
  }
}

makeTokenPaymasterDeposit();