iGold Info

islamicoin.finance

ISLAMICOIN is the largest Islamic technology project that utilizes blockchain technology, in addition to media, commercial, financial, entertainment and charitable projects. The project aims to build an Islamic blockchain that helps achieve financial independence for individuals, companies and charitable organizations in the global Islamic community in addition to building a Decentralized Autonomous Organization (DAO) that operates according to Islamic Sharia in its content and transactions.

Overall Score
83.79
Poor Excellent
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On-Chain Insights

Smart Contract Audit

Select the audit
Static Analysis Dynamic Analysis Symbolic Execution SWC Check Manual Review
Contract address
0x9440...76E8
Network
Polygon - Mumbai Testnet
License N/A
Compiler N/A
Type N/A
Language Solidity
Onboard date 2023/05/02
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.

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/Admin Privileges
  • Add/Remove admins
  • Set/Update NFT contract address
  • Pause the contract but only when the gold price is zero
  • Set the Physical Gold Fee to any arbitrary value. Note that this is the price/fee users have to pay in order to receive physical gold
  • Set USDT address, ISLAMI address, Gold Price Address, and ISLAMI Price Address
  • Admin address can increase the gold reserve amount to any arbitrary value.
  • Owner address can decrease the gold reserve amount to any arbitrary value.
  • Withdraw tokens from the contract that are not in the vault, only the ones sent by mistake to the contract

Note -  Moreover, the code of the two interfaces that are used in the contract 'IPMMContract', and 'IiGoldNFT' was not in the audit scope and we cannot comment on the security of it

Files and details

Functions
public

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State variables
public

/

Total lines
of code

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Capabilities
Hover on items

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Findings and Audit result

optimization Issues | 1 findings

Pending

#1 optimization Issue
Public function that could be declared external (external-function)
iGold.sol
L354-356
L362-365
L555-557
L563-565
L580-582
L606-610
L629-633
L651-660
L674-678
L694-703
L1109-1112
L1169-1195
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)
iGold.sol
L288-290
L228-237
L188-190
L254-263
L205-214
L59-65
L101-106
L113-118
L84-94
L72-77
Description

Remove unused functions.