fix issues based on scanner reports

[mehdi-torabiv]

Summary by CodeRabbit

• New Features

  • Improved the issue function in the Engagement contract to avoid race conditions and ensure stability.
  • Updated the mint function to check for a balance of at least 1 token before minting.

• Chores

  • Specified the Solidity version for the IEngagement interface to ensure compatibility and standardization.

[coderabbitai]

Walkthrough

The primary changes in the update involve two main files: Engagement.sol and IEngagement.sol. In Engagement.sol, the issue function has been enhanced to manage the counter variable more safely and the mint function's validation has been adjusted to ensure a minimum balance before minting. Additionally, the supportsInterface function has been implemented to ensure proper interface support. In IEngagement.sol, a pragma directive for Solidity version specification has been added.

Changes

File Path	Change Summary
contracts/Engagement.sol	- Enhanced _counter management to avoid race conditions in issue function. - Adjusted mint function to check for a minimum balance before minting. - Implemented supportsInterface to ensure interface support.
contracts/IEngagement.sol	Added pragma solidity ^0.8.24; directive to specify the Solidity version.

Poem

Changes swift, in bytes they came,
The counter safe, no race to blame.
Interface support, ensured with care,
Minting tokens, fair and square.
Solidity's version set in stone,
Engagement's growth, finely honed.

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[coderabbitai]

Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between db32f51 and 083285a.

Files selected for processing (2)

• contracts/Engagement.sol (4 hunks)
• contracts/IEngagement.sol (1 hunks)

Additional comments not posted (4)

contracts/IEngagement.sol (1)

1-1: The addition of pragma solidity ^0.8.24; aligns with best practices for specifying the Solidity compiler version, ensuring compatibility and security features provided by this version.

contracts/Engagement.sol (3)

36-40: The changes in the issue function introduce a caching mechanism for the _counter variable to prevent race conditions. This is a good security practice in contract development.

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49-49: The update to the mint function's condition to require a balance of at least 1 token before minting enhances security and prevents potential abuse.

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97-99: Correctly using super.supportsInterface(interfaceId) ensures compliance with the ERC1155 standard and proper delegation of interface support checks.