ERC4337 Validation

A library to validate the ERC-4337 rules within Foundry

This library allows you to validate:

• Banned opcodes
• Banned storage locations
• Disallowed *CALLs
• Disallowed use of EXT* opcodes
• Disallowed use CREATE opcode

It also supports both v0.6 and v0.7 of ERC-4337.

Useful starting resources

• ERC4337 Validation source code (opens in a new tab)
• A usage example (opens in a new tab)