// SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.0;

/**
 * @title SOMA ERC20 Guard Contract.
 * @author SOMA.finance.
 * @notice Interface of the {ERC20Guard} contract.
 */
interface IERC20Guard {
    /**
     * @notice Checks that both `from` and `to` have the required privileges. Ignores address zero.
     * @param from The address sending the tokens.
     * @param to The address receiving the tokens.
     * @param amount The amount of tokens to transfer.
     * @return True if the transfer is valid.
     */
    function canTransferFrom(address from, address to, uint256 amount) external view returns (bool);
}