Tech Cat Info

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On-Chain Insights

Smart Contract Audit

Static Analysis Dynamic Analysis Symbolic Execution SWC Check Manual Review
Contract address
0x8907...aD56
Network Arbitrum - Mainnet
License N/A
Compiler N/A N/A
Type N/A
Language Solidity
Onboard date 2024/05/18
Revision date In progress

Summary and Final Words

No crucial issues found

The contract does not contain issues of high or medium criticality. This means that no known vulnerabilities were found in the source code.

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 cannot set high fees

The fees, if applicable, can be a maximum of 25% or lower. The contract can therefore not be locked. Please take a look in the comment section for more details.

Contract cannot be locked

Owner cannot lock any user funds.

Token cannot be burned

There is no burn function within the contract.

Ownership is renounced

Contract cannot be manipulated by owner functions.

Scope of Work

This audit covered the following files listed below with a SHA-1 Hash. The Team mentioned above provided us with the files that need to be evaluated.

The auditing process follows a routine series of steps:
  1. Review the specifications, sources, and instructions provided to SolidProof to ensure we understand the smart contract's size, scope, and functionality.
  2. Manual review of code, which is the process of reading source code line-by-line in an attempt to identify potential vulnerabilities.
  3. Specification comparison checks whether the code does what the specifications, sources, and instructions provided to SolidProof describe.
  4. Test coverage analysis determines whether the test cases are actually covering the code and how much code is exercised when we run those test cases.
  5. Symbolic execution is analyzing a program to determine what inputs cause each part of a program to execute.
  6. Based on the established industry and academic practices, recommendations, and research, best practices review smart contracts to improve efficiency, effectiveness, clarity, maintainability, security, and control.
  7. Specific, itemized, actionable recommendations to help you take steps to secure your smart contracts.

A file with a different Hash has been intentionally or otherwise modified 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.

Final Words

The following provides a concise summary of the audit report, accompanied by insightful comments from the auditor. This overview captures the key findings and observations, offering valuable context and clarity.


Ownership Privileges
  • The ownership of the token is renounced. Hence, the owner cannot change any contract settings.

Note - This Audit report consists of a security analysis of the Tech Cat 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 Tech Cat team. Other contracts associated with the project were not audited by our team. We recommend investors do their own research before investing.

Files and details

Findings and Audit result

low Issues | 1 findings

Pending

#1 low Issue
Missing Events Arithmetic (events-maths)
TechCat.sol
L737-740
Description

Emit an event for critical parameter changes.

optimization Issues | 2 findings

Pending

#1 optimization Issue
State variables that could be declared constant (constable-states)
TechCat.sol
L680
Description

Add the `constant` attributes to state variables that never change.

Pending

#2 optimization Issue
Public function that could be declared external (external-function)
TechCat.sol
L494-497
L499-503
L521-523
L525-527
L533-535
L537-539
L541-544
L546-548
L550-553
L555-571
L573-576
L578-586
L733-735
L748-750
L784-802
Description

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

informational Issues | 2 findings

Pending

#1 informational Issue
Functions that are not used (dead-code)
TechCat.sol
L448-460
L302-304
L312-318
L331-337
L345-354
L387-389
L397-404
L362-364
L372-379
L253-259
L436-446
L412-428
L468-471
L622-637
Description

Remove unused functions.

Pending

#2 informational Issue
Unused state variables (unused-state)
TechCat.sol
L680
Description

Remove unused state variables.