GOGA Info

gogatoken.com

GOGA Cryptocurrency Is Designed To Solve Real World Problems In The Field Of Education And Entertainment. It’s A Solution To Important Challenges Faced In Metaverse Industry, And Soon, GOGA Will Be The Cryptocurrency That Everyone Wants And Needs All Around The World.

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On-Chain Insights

Smart Contract Audit

Static Analysis Dynamic Analysis Symbolic Execution SWC Check Manual Review
Contract address
0xFAcA...58e0
Network Ethereum - Mainnet
License N/A
Compiler N/A N/A
Type N/A
Language Solidity
Onboard date 2023/12/04
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 not renounced

Contract can be manipulated by owner functions.

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 owner can enable trading only once.
  • The owner can update the max transaction amount of not less than 0.1% of the total supply.
  • The owner can update the max wallet amount of not less than 0.1% of the total supply.
  • The owner can exclude wallets from fees.
  • The owner can exclude wallets from the max transaction limit.
  • The owner can update the market pair address.
  • The owner can claim stuck tokens and ETH, including the contract's own tokens.
  • The owner can update any arbitrary address in the fee wallet address.

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

Scope of Work

Files and details

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.

Findings and Audit result

low Issues | 5 findings

Pending

#1 low Issue
Local variables shadowing (shadowing-local)
GOGA.sol
L378
Description

Rename the local variables that shadow another component.

Pending

#2 low Issue
Missing Events Arithmetic (events-maths)
GOGA.sol
L401-404
L406-414
L416-422
L432-435
L445-447
Description

Emit an event for critical parameter changes.

Pending

#3 low Issue
Missing Zero Address Validation (missing-zero-check)
GOGA.sol
L445
Description

Check that the address is not zero.

Pending

#4 low Issue
Remove safemath library.
GOGA.sol
L156-200
L245-304
Description

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.

Pending

#5 low Issue
Owner can claim contract's own tokens.
GOGA.sol
L441-443
Description

The owner can claim the stuck tokens including contract's own token. It is recommended to add a 'require' check so that the owner can not claim the tokens from contract address.

medium Issues | 1 findings

Pending

#1 medium Issue
Transfer of tokens without enabling trade.
GOGA.sol
L453-532
Description

The trading needs to be enabled by the owner in order for regular users to transfer tokens. On the contrary, the owner can authorize addresses manually and those addresses will be able to trade tokens. This functionality can be exploited in the following way, For example, there is a presale and the wallets used for the presale can be authorized by the owner. All the tokens obtained can be consolidated into a final wallet address and facilitate trading and selling of the acquired tokens, the last wallet address can be authorized.

optimization Issues | 1 findings

Pending

#1 optimization Issue
Public function that could be declared external (external-function)
GOGA.sol
L72-74
L76-78
L80-82
L92-95
L97-99
L106-114
L116-119
L121-124
L232-235
L238-242
L424-426
L428-430
L432-435
L449-451
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)
GOGA.sol
L165-167
L287-290
L278-282
L258-264
L249-256
L269-273
L292-295
L299-303
Description

Remove unused functions.

Pending

#2 informational Issue
Unused state variables (unused-state)
GOGA.sol
L247
Description

Remove unused state variables.