Perseverance

// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/GSN/Context.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20Burnable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20Pausable.sol";

Perseverance

// Shortened for brievety
// Message format keccak256 of packed `SellerAddress`,`BuyerAddress`,`ItemAddress`,`ConfirmedValue`
contract Bargain {
    function transferItemWithEthers(address itemAddress, bytes _signedDataByOwner) public payable {

        address itemOwner = Item(itemAddress).owner()

        bytes32 bytes32Message = keccak256(abi.encodePacked(itemOwner, msg.sender, itemAddress, msg.value));
        address recoveredSigner = recover(bytes32Message, _signedDataByOwner);

Perseverance

const mocha = require('mocha');
const Base = mocha.reporters.Base;
const ethers = require('ethers');
const shell = require('shelljs');
const parser = require('solidity-parser-antlr');
const fs = require('fs');

// const stats = require('./gasStats.js');

function EtherlimeReporterCreator(port) {

Perseverance

0xeE3693fdd0F3BCee6B12B8Ee0047c8fD6Ff6A0c8

Perseverance

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

Perseverance

_counterfactualizeSignedTransaction(signedTransaction) {
	const signedTransNoRSV = signedTransaction.substring(0, signedTransaction.length - 134);

	let randomS = utils.keccak256(utils.randomBytes(3));
	randomS = '0' + randomS.substring(3, randomS.length);

	const counterfactualMagic = `1ba079be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798a0`;

	return `${signedTransNoRSV}${counterfactualMagic}${randomS}`;
}

Perseverance

1ba079be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798a0

Perseverance

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

Perseverance

_createDeployTransaction(addressHash, addressSig) {
	return ethers.Contract.getDeployTransaction(IdentityProxy.bytecode, IdentityProxy.abi, settings.implementationAddress, connection.wallet.address, addressHash, addressSig);
}

_setupDeployTransaction(deployTransaction) {
	deployTransaction.gasLimit = this.deploymentGasNeeded;
	deployTransaction.gasPrice = this.deploymentGasPrice;
	return deployTransaction;
}

Perseverance

contract IdentityContract {

	uint256 public nonce;

	function getSigner(bytes32 raw, bytes sig) public view returns(address signer) {
		return ECTools.prefixedRecover(raw, sig);
	}

	modifier onlyValidSignature(uint256 relayerReward, address target, uint256 value, bytes data, bytes dataHashSignature) {
		bytes32 dataHash = keccak256(abi.encodePacked(data, relayerReward, value, target, nonce));