livingrock7’s gists

livingrock7 / native-meta-transaction.js

Created August 29, 2021 20:37

	if (shouldForwardWithERC20Forwarder) {
	oracleAggregatorContract = blockchain.getContract(
	blockchain.getOracleAggregatorAbi(),
	blockchain.getOracleAggregatorContractAddress()
	);

	erc20ForwarderPreFlightCheck = await preFlightChecksService.getPreFlightChecks(
	networkId,
	oracleAggregatorContract,
	request

livingrock7 / preFlight.js

Created August 29, 2021 20:34

pre flight checks for paying gas in ERC20 token

	const appRoot = require("app-root-path");
	var log = require(`${appRoot}/config/winston`).logger(module);
	const config = require(`${appRoot}/config`);
	const cache = require(`${appRoot}/src/services/caching`);
	const ethers = require("ethers");
	const {
	getGasPriceKey,
	} = require(`${appRoot}/src/controllers/utils/cache-utils`);
	const TOKEN_GAS_PRICE_THRESHOLD_PERCENTAGE =
	config.TOKEN_GAS_PRICE_THRESHOLD_PERCENTAGE;

livingrock7 / DappGasTank.sol

Created August 22, 2021 17:43

Dapp Gas Tank Draft

	pragma solidity 0.6.2;
	pragma experimental ABIEncoderV2;

	/*
	* @dev Provides information about the current execution context, including the
	* sender of the transaction and its data. While these are generally available
	* via msg.sender and msg.data, they should not be accessed in such a direct
	* manner, since when dealing with GSN meta-transactions the account sending and
	* paying for execution may not be the actual sender (as far as an application
	* is concerned).

livingrock7 / app.js

Created August 1, 2021 01:14

web3 - custom - eip712 sign

	import React, { useState, useEffect } from "react";
	import "../App.css";
	import Button from "@material-ui/core/Button";
	import {
	NotificationContainer,
	NotificationManager
	} from "react-notifications";
	import "react-notifications/lib/notifications.css";
	import Backdrop from '@material-ui/core/Backdrop';
	import CircularProgress from '@material-ui/core/CircularProgress';

livingrock7 / App.js

Created July 15, 2021 06:59

USDC double permit (permit & executePermitWithDeposit) idle deposit forwarder client side code integration

	import React, { useState, useEffect } from "react";
	import "../App.css";
	import Button from "@material-ui/core/Button";
	import {
	NotificationContainer,
	NotificationManager
	} from "react-notifications";
	import "react-notifications/lib/notifications.css";
	import Backdrop from '@material-ui/core/Backdrop';
	import CircularProgress from '@material-ui/core/CircularProgress';

livingrock7 / BiconomySwapper.sol

Created July 14, 2021 19:04

Biconomy Swapper Contract meta tx compliant

	// SPDX-License-Identifier: GPL-2.0-or-later
	pragma solidity 0.8.0;

	import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
	import "../libs/Ownable.sol";
	import "../libs/BaseRelayRecipient.sol";

	interface ISwapRouter {

	struct ExactInputSingleParams {

livingrock7 / App.js

Created July 14, 2021 19:01

client side uni V3 biconomy swapper

	import React, { useState, useEffect } from "react";
	import "../App.css";
	import Button from "@material-ui/core/Button";
	import {
	NotificationContainer,
	NotificationManager
	} from "react-notifications";
	import "react-notifications/lib/notifications.css";
	import Backdrop from '@material-ui/core/Backdrop';
	import CircularProgress from '@material-ui/core/CircularProgress';

livingrock7 / web3_EIP2771_BSC.js

Created June 1, 2021 18:07

oddz | personal sign EIP2771 web3

	import React, { useState, useEffect } from "react";
	import "../App.css";
	import Button from "@material-ui/core/Button";
	import {
	NotificationContainer,
	NotificationManager
	} from "react-notifications";
	import "react-notifications/lib/notifications.css";
	import Backdrop from '@material-ui/core/Backdrop';
	import CircularProgress from '@material-ui/core/CircularProgress';

livingrock7 / App.js

Created April 24, 2021 17:21

rage test

	import React, { useState, useEffect } from "react";
	import { Biconomy } from "@biconomy/mexa";
	import Web3 from "web3";

	const abi = require("./RageToken.json");
	const abiRageFactory = require("./RageFactory.json").abi;
	const abiRageContest = require("./RageContest.json");

	const sigUtil = require("eth-sig-util");
	// GineteToken contract address

livingrock7 / gist:996e55e98e56037239d323f5956d0c32

Created April 21, 2021 15:15

Ethers Forward EIP712 Sign

	import React, { useState, useEffect } from "react";
	import "../App.css";
	import Button from "@material-ui/core/Button";
	import {
	NotificationContainer,
	NotificationManager
	} from "react-notifications";
	import "react-notifications/lib/notifications.css";
	import Backdrop from '@material-ui/core/Backdrop';
	import CircularProgress from '@material-ui/core/CircularProgress';

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