Azure coin Info
Azure as layer 2 Ethereum aims to overcome several main problems facing layer one blockchain technology, including scalability, cost efficiency, transaction speed and energy efficiency. The ultimate goal of Azure is to enhance the blockchain scalability without compromising security and privacy.
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On-Chain Insights
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
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 update any existing contract's settings.
- The tax wallet address can manually swap tokens.
The contract contains the functionality where the initial buy and sell tax is set to 25% and 30% respectively and after 30 and 35 transactions the final buy and sell tax will be reduced to 5% in the contract.
Note - This Audit report consists of a security analysis of the Azure coin 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 Azure coin 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 | 4 findings
Pending
#1 low Issue
Local variables shadowing (shadowing-local)
Rename the local variables that shadow another component.
Pending
#2 low Issue
Missing Events Arithmetic (events-maths)
Emit an event for critical parameter changes.
Pending
#3 low Issue
Dangerous usage of `tx.origin` (tx-origin)
Do not use `tx.origin` for authorization.
Pending
#4 low Issue
Remove safemath library
The compiler version above 0.8.0 has the ability to control arithmetic overflow/underflow. It is recommended to remove the unwanted code in order to avoid high gas fees.
medium Issues | 1 findings
Pending
#1 medium Issue
Liquidity is adding to externally owned address (EOA)
The contract's liquidity is automatically added to the 'tax wallet' address, which is not recommended because, in an extreme scenario, this can be used to drain liquidity from the contract.
optimization Issues | 2 findings
Pending
#1 optimization Issue
State variables that could be declared constant (constable-states)
Add the `constant` attributes to state variables that never change.
Pending
#2 optimization Issue
Public function that could be declared external (external-function)
Use the `external` attribute for functions never called from the contract.
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.
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.