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Security Toolkit

A collection of smart contracts for implementing security controls and guardrails. Useful for OpSec and educational purposes.

NB: It IS NOT AUDITED/REVIEWED. Do Your Own Research and Use At Your Own Risk

Levels

Security 1

Simple two role model, operator and governance. Operator can be updated by governance. Governance can be updated by itself but requires acceptance from the new one.

Operator can pause all the smart contract operation via SCRAM(). Only governance can unpause.

When paused, governance can withdraw any asset via the respective methods: emergencyWithdrawERC20ETH, emergencyWithdrawERC721, emergencyBatchWithdrawERC721, emergencyWithdrawERC1155, emergencyBatchWithdrawERC1155.

You can annotate methods via these modifiers:

  • whenPaused and whenNotPaused
  • onlyGovernance
  • onlyOperatorOrGovernance

Security 2

Extends Security 1 model.

Adds possibility for governance to execute any tx on behalf of the contract via emergencyExecute when paused.

Security 3

Extends Security 2 model.

When paused, all the methods annotated with whenPausedthenProxy fallback to an external emergencyImplementation. Useful to override specific methods with an upgradable failsafe contract.

Security 4

Extends Scurity 3 model.

Add an allowlist, any method annotated with onlyAllowlisted can be execute only by allowed users when allowlisting is in place.

Only governance can enable/disable the feature.

Operators or governance can enable a user with allow, only governance can disable via disallow.

Contribute

Feel free to open issues, fork and share your practices!