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Access Control Visualizer

Visualize contract access control patterns and roles

01

What is Access Control?

Access control restricts who can call certain functions in a smart contract. Common patterns include Ownable (single owner), AccessControl (role-based), and custom role systems.

02

How does it work?

Access control uses modifiers and mapping structures to check caller permissions before executing functions. Roles are represented as bytes32 identifiers, and each address can have multiple roles. Admin roles can grant…

03

Sample Cases

Covers USDC Token (0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48), Compound cToken (0x39AA39c021dfbaE8fAc545936693ac917d5E7563), and OpenZeppelin Reference Implementation so you can compare common inputs and outputs quickly.

/ Code

/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code
TypeScript
typescript
// No external packages needed - standard JSON ABI parsing

interface Role {
  name: string;
  identifier: string;
  functions: string[];
}

// Analyze ABI for access control patterns
function analyzeAccessControl(abi: any[]): {
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