The `TradeVault1` contract is a multi-role access control vault for managing ERC20 tokens. It integrates access control mechanisms from Venus, AAVE, and a custom `WithdrawAccessControl`. The contract uses OpenZeppelin's `SafeERC20` for secure token transfers and supports multicall operations. It restricts ETH deposits and assigns admin and call roles to specified addresses upon deployment.

The `TradeVault2` contract integrates multiple access control modules (Kyberswap, Venus, AAVE, Uniswap, and Withdraw) to manage permissions for various DeFi protocols. It uses OpenZeppelin's `SafeERC20` for secure ERC20 token operations and supports multicall functionality. The constructor sets up admin and trader roles. The contract also disables receiving ETH directly.