ChainGuard - A Secure and Flexible Wallet for Self-Sovereign Identity and Digital Assets Using Account Abstraction

Smart contract implementation of Account Abstraction.

Contracts list

• BaseAccount.sol: Basic account implementation. This contract provides the basic logic for implementing the IAccount interface - validateUserOp. Specific account implementation should inherit it and provide the account-specific logic
• BasePaymaster.sol: Helper class for creating a paymaster. Provides helper methods for staking. Validates that the postOp is called only by the entryPoint
• Account.sol: This is sample minimal account, has execute, eth handling methods, has a single signer that can send requests through the entryPoint.
• DepositPaymaster.sol: A token-based paymaster that accepts token deposits. The deposit is only a safeguard: the user pays with his token balance.
• AccountFactory: A simple factory contract for Account.sol. A UserOperations "initCode" holds the address of the factory, and a method call (to createAccount, in this sample factory).