Aleksandr Gorbunov gorbunovperm

"ERC-7417 Reference Implementation" audit report

Summary

This is a security audit report performed on ERC-7417 Reference Implementation by Aleksandr Gorbunov.

The subject of the audit is a smart contract service that converts token of ERC-20 version to ERC-223 version.

The audit takes into account the safety concerns described in EIP-223 and is not reviewed again here. You can read them here: https://github.com/Dexaran/ERCs/blob/master/ERCS/erc-7417.md

In scope

Dex223 Token and Upgrade contract audit report

Summary

This is the report from a security audit performed on Dex223 Token and Dex223_Upgrader by Aleksandr Gorbunov.

The token is implemented in the ERC-223 standard. It also has functions for backward compatibility with the ERC-20 standard.

The migration contract changes the tokens of the old version to the tokens of the new version.

Template contracts security report

Summary

This is the report from a security audit performed on by gorbunovperm.

It is Template contracts.

In scope

Ethereum Classic Multisig Wallet audit report.

Summary

This is the report from a security audit performed on Ethereum Classic Multisig Wallet by Dexaran. This contracts are a version of OpenZeppelin Multisig Wallet.

The audit focused primarily on the security of funds and fault tolerance of the multisig wallet. The main intention of this multisig wallet is to serve as an official storage of funds donated for ETC development.


	// SPDX-License-Identifier: GPL-3.0

	pragma solidity =0.8.19;

	library Address {
	function isContract(address account) internal view returns (bool) {
	// This method relies on extcodesize, which returns 0 for contracts in
	// construction, since the code is only stored at the end of the
	// constructor execution.

	pragma solidity 0.4.25;

	// File: openzeppelin-solidity/contracts/token/ERC20/IERC20.sol

	/**
	* @title ERC20 interface
	* @dev see https://github.com/ethereum/EIPs/issues/20
	*/
	interface IERC20 {
	function totalSupply() external view returns (uint256);

	pragma solidity ^0.4.22;


	import "./ERC20Basic.sol";
	import "./SafeMath.sol";


	/**
	* @title Basic token
	* @dev Basic version of StandardToken, with no allowances.

	pragma solidity ^0.4.24;

	/***********************************************************
	* Easy Investment UP Contract
	* - GAIN 4.5% PER 24 HOURS (every 5900 blocks) 60 days
	* - GAIN 5% PER 24 HOURS (every 5900 blocks) 40 days
	* - GAIN 5.3% PER 24 HOURS (every 5900 blocks) 30 days
	* - GAIN 6.5% PER 24 HOURS (every 5900 blocks) 20 days
	* - GAIN 9.3% PER 24 HOURS (every 5900 blocks) 12 days
	*

	pragma solidity ^0.4.20;


	library SafeMath {
	function mul(uint256 a, uint256 b) internal pure returns (uint256) {
	if (a == 0) {
	return 0;
	}
	uint256 c = a * b;
	require(c / a == b);