Assignment: fix vulnerabilities/loopholes in ERC20 and ERC721 token contracts#32

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Abu-Miracle wants to merge 2 commits intoBlockheaderWeb3-Community:tokensfrom

Abu-Miracle:tokens

Abu-Miracle commented Aug 12, 2024 •

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Description

Fix vulnerabilities/loopholes in `ERC20` and `ERC721` token contracts

Fixes in `ERC20` contract

Addition of the owner in the contract's constructor
Creation of an onlyOwner modifier
Added checks for authorization, insufficient balance, zero addresses, etc.

Fixes in `ERC721` contract

Addition of the owner address state variable and implementation of contract's constructor
Creation of an onlyOwner modifier
Added checks for authorization and zero addresses

PR Checklist

Tests
Documentation

Abu-Miracle added 2 commits

August 12, 2024 14:45


          fix: fixed vulnerablities in ERC20.sol

6eaf5e6


          fix: fixed vulnerabilities in ERC721.sol

4bd55de

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