Crypto Balls
0xaCBC0Cb04E583AD57B816c4200028057Bf4F7f1B 0xaCBC...4F7f1B

Static analysis Dynamic analysis Symbolic Execution SWC check

CryptoBalls is an NFT-driven memecoin which aims to provide some BALLS into the crypto space. Cryptoballs NFTs will be created on narrative-based events and will provide a never ending buzz and virality into the crypto space. We still appreciate the human creation therefore, this project is 100% AI PROOF. All our NFTs are handmade with fun and positive energy.

Contract address
0xaCBC...4F7f1B
Network Binance Smart Chain
License MIT
Compiler v0.8.18 v0.8.18+commit.87f61d96
Type N/A
Language Solidity
Request date 2024/02/03
Revision date 2024/02/03
Critical
Passed
High
Passed

Owner privileges

Crucial issues found The contract does contain issues of high or medium criticality. In some circumstances, the Contract may not function as intended and may pose a safety risk.
Contract owner cannot mint It is not possible to mint new tokens.
Contract owner cannot blacklist addresses. It is not possible to lock user funds by blacklisting addresses.
Contract owner can set high fees Contract owner is able to set fees above 25%. Very high fees can also prevent token transfer.
Token transfer can be locked Owner can lock user funds with owner functions.
Token cannot be burned There is no burn function within the contract.
Ownership is not renounced Contract can be manipulated by owner functions.
Comments

Ownership Privileges

  • The owner can update the uniswap pair and router address.
  • The owner can update the buy and sell liquidity fees of not more than 20%.
  • The owner can update the max wallet and max transaction amount.
  • The owner can update the marketing fees to not more than 20%.
  • The owner can update the marketing wallet address.
  • The owner can update the minimum amount to take fees.
  • The owner can update the automated market maker pair address.
  • The owner can exclude wallets from fees.
  • The owner can exclude wallets from the maximum transaction amount.
  • The owner can withdraw ETH and claim the stuck tokens from the contract.

Note - This Audit report consists of a security analysis of the Crypto Balls Token smart contract. This analysis did not include functional testing (or unit testing) of the contract’s logic. Moreover, we only audited one token contract for the Crypto Balls team. Other contracts associated with the project were not audited by our team. We recommend investors to do their own research before investing.

Audit Scope

This audit covered the following files listed below with a SHA-1 Hash. The above token Team provided us with the files that needs to be tested.

We will verify the following claims:
  • Correct implementation of Token standard
  • Deployer cannot mint any new tokens
  • Deployer cannot burn or lock user funds
  • Deployer cannot pause the contract
  • Overall checkup (Smart Contract Security)
The auditing process follows a routine series of steps:
  • Review of the specifications, sources, and instructions provided to SolidProof to make sure we understand the size, scope, and functionality of the smart contract.
  • Manual review of code, which is the process of reading source code line-by-line in an attempt to identify potential vulnerabilities.
  • Comparison to specification, which is the process of checking whether the code does what the specifications, sources, and instructions provided to SolidProof describe.
  • Test coverage analysis, which is the process of determining whether the test cases are actually covering the code and how much code is exercised when we run those test cases.
  • Symbolic execution, which is analysing a program to determine what inputs causes each part of a program to execute.
  • Best practices review, which is a review of the smart contracts to improve efficiency, effectiveness, clarify, maintainability, security, and control based on the established industry and academic practices, recommendations, and research.
  • Specific, itemized, actionable recommendations to help you take steps to secure your smart contracts.

A file with a different Hash has been modified, intentionally or otherwise, after the security review. A different Hash could be (but not necessarily) an indication of a changed condition or potential vulnerability that was not within the scope of this review.

Functions
public

100

State variables
public

17

Total lines
of code

1672

Capabilities
Hover on items

Audit Details

Throughout the review process, care was taken to evaluate the repository for security-related issues, code quality, and adherence to speciïŹcation and best practices. To do so, reviewed line-by-line by our team of expert pentesters and smart contract developers, documenting any issues as there were discovered.

Risk represents the probability that a certain source-threat will exploit vulnerability, and the impact of that event on the organization or system. Risk Level is computed based on CVSS version 3.0.

medium Issues

Pending

#1 Issue

Owner can set fees upto 40%.

StandardToken.sol

L1389-1406

L1423-1440

Description

The owner can set buy and sell liquidity and marketing fees up to 40%, so the total costs will become 40% in the contract, which is not recommended. There are no fees in the contract that should be more than 25%. Add a 'require' check so that the total fees cannot exceed 25%.

Pending

#2 Issue

The owner can lock tokens.

StandardToken.sol

L1351-1380

Description

The owner can update the pair and router address after the initial deployment of the token which is not recommended as this can lock the transfer functionality in the contract if the router and pair address is set to an arbitrary address.

Pending

#3 Issue

Missing 'require' check

StandardToken.sol

L1442-1453

Description

The owner can update the marketing wallet address to any contract address, which is not recommended as this can cause a potential honeypot in the contract if the owner has set the address to the contract address that cannot receive ETH. Add a 'require' check so that the address cannot be set to a contract address.

low Issues

Pending

#1 Issue

Local variables shadowing (shadowing-local)

StandardToken.sol

L1276

L1277

L1279

Description

Rename the local variables that shadow another component.

Pending

#2 Issue

Missing Zero Address Validation (missing-zero-check)

StandardToken.sol

L1351

Description

Check that the address is not zero.

informational Issues

Pending

#1 Issue

Functions that are not used (dead-code)

StandardToken.sol

L83-85

L112-118

L172-174

L182-191

L145-147

L155-164

L58-63

L324-326

L599-614

L789-802

L813-824

L804-811

L773-780

Description

Remove unused functions.

Pending

#2 Issue

Conformity to Solidity naming conventions (naming-convention)

StandardToken.sol

L849

L1085

L1087

L1118

L1190

L1351

L1390

L1391

L1408

L1414

L1424

L1425

L1443

L1444

L1455

L1210-1211

L1212

Description

Follow the Solidity [naming convention](https://solidity.readthedocs.io/en/v0.4.25/style-guide.html#naming-conventions).

optimization Issues

Pending

#1 Issue

Public function that could be declared external (external-function)

StandardToken.sol

L381-383

L389-391

L406-408

L432-436

L455-459

L477-486

L500-504

L520-529

L738-740

L746-749

L1363-1380

L1464-1469

Description

Use the `external` attribute for functions never called from the contract.

Diagrams

Disclaimer

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SolidProof.io Reports represent an extensive auditing process intending to help our customers increase the quality of their code while reducing the high level of risk presented by cryptographic tokens and blockchain technology. Blockchain technology and cryptographic assets present a high level of ongoing risk. SolidProof’s position is that each company and individual are responsible for their own due diligence and continuous security. SolidProof in no way claims any guarantee of security or functionality of the technology we agree to analyze.