API Reference

This API reference is automatically generated from the OpenZeppelin Contracts repository.

Contract Categories

Access Control

• Access Control - Role-based access control mechanisms
• Ownable - Simple ownership access control

Tokens

• ERC20 - Fungible token standard implementation
• ERC721 - Non-fungible token standard implementation
• ERC1155 - Multi-token standard implementation

Crosschain

• ERC7786 - Contracts for sending and receiving crosschain messages

Utilities

• Utils - General utility functions and contracts
• Cryptography - Cryptographic utilities

Governance

• Governance - On-chain governance systems

Proxy Patterns

• Proxy - Upgradeable proxy patterns

Interfaces

• Interfaces - Standard interfaces