YaYa coin Info

Starting as a goodwill ambassador, YaYa became an integral part of the American community, forging connections with people of all ages. Through the years, this spirited panda faced challenges and embraced the diversity and integration within American society.

YaYa coin Logo

TrustNet Score

The TrustNet Score evaluates crypto projects based on audit results, security, KYC verification, and social media presence. This score offers a quick, transparent view of a project's credibility, helping users make informed decisions in the Web3 space.

68.72
Poor Excellent

Real-Time Threat Detection

Real-time threat detection, powered by Cyvers.io, is currently not activated for this project.

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Security Assessments

Static Analysis Dynamic Analysis Symbolic Execution SWC Check Manual Review
Contract address
0x14ff...06b7
Network
BNB Smart Chain - Mainnet
License N/A
Compiler N/A
Type N/A
Language Solidity
Onboard date 2023/12/12
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 burning within the contract without any allowances

Ownership is not renounced

The owner retains significant control, which could potentially be used to modify key contract parameters.

Scope of Work

This audit encompasses the evaluation of the files listed below, each verified with a SHA-1 Hash. The team referenced above has provided the necessary files for assessment.

The auditing process consists of the following systematic steps:

  1. Specification Review: Analyze the provided specifications, source code, and instructions to fully understand the smart contract's size, scope, and functionality.
  2. Manual Code Examination: Conduct a thorough line-by-line review of the source code to identify potential vulnerabilities and areas for improvement.
  3. Specification Alignment: Ensure that the code accurately implements the provided specifications and intended functionalities.
  4. Test Coverage Assessment: Evaluate the extent and effectiveness of test cases in covering the codebase, identifying any gaps in testing.
  5. Symbolic Execution: Analyze the smart contract to determine how various inputs affect execution paths, identifying potential edge cases and vulnerabilities.
  6. Best Practices Evaluation: Assess the smart contracts against established industry and academic best practices to enhance efficiency, maintainability, and security.
  7. Actionable Recommendations: Provide detailed, specific, and actionable steps to secure and optimize the smart contracts.

A file with a different Hash has been intentionally or otherwise modified after the security review. A different Hash may indicate 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
  • Any arbitrary address can claim the stuck tokens and ETH to the stuck token wallet address.
  • The owner can update the marketing wallet address.
  • The marketing wallet will receive ETH when the swapping is completed.

Note - This Audit report consists of a security analysis of the YaYa coinToken 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 YaYa coin team, other contracts associated with the project were not audited by our team. We recommend investors to do their own research before investing.

Files and details

Functions
public

/

State variables
public

/

Total lines
of code

/

Capabilities
Hover on items

/

Findings and Audit result

low Issues | 1 findings

Pending

#1 low Issue
Missing 'require' check.
YaYaCoin.sol
L686-694
Description

Any arbitrary address can claim the stuck tokens and stuck ETH into the stuck tokens wallet address as this can increase unnecessary transactions. It is recommended that there must be a 'require' check where that particular address can only be able to call these functions.

optimization Issues | 2 findings

Pending

#1 optimization Issue
State variables that could be declared constant (constable-states)
YaYaCoin.sol
L641
Description

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

Pending

#2 optimization Issue
Public function that could be declared external (external-function)
YaYaCoin.sol
L315-317
L319-321
L337-343
L345-350
L352-358
L360-379
L381-391
L393-407
L463-468
L561-564
L566-573
L686-690
L692-694
Description

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

informational Issues | 1 findings

Pending

#1 informational Issue
Functions that are not used (dead-code)
YaYaCoin.sol
L286-289
L616-618
Description

Remove unused functions.