interface ICrystalToken {
event Approval(address indexed owner, address indexed spender, uint256 value);
event Lock(address indexed to, uint256 value);
event Transfer(address indexed from, address indexed to, uint256 value);
event Unlock(address indexed to, uint256 value);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function balanceOf(address account) external view returns (uint256);
function canUnlockAmount(address _holder) external view returns (uint256);
function cap() external view returns (uint256);
function circulatingSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool);
function increaseAllowance(address spender, uint256 addedValue) external returns (bool);
function lastUnlockTime(address) external view returns (uint256);
function lock(address _holder, uint256 _amount) external;
function lockFromTime() external view returns (uint256);
function lockOf(address _holder) external view returns (uint256);
function lockToTime() external view returns (uint256);
function name() external view returns (string memory);
function owner() external view returns (address);
function symbol() external view returns (string memory);
function totalBalanceOf(address _holder) external view returns (uint256);
function totalLock() external view returns (uint256);
function totalSupply() external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function transferAll(address _to) external;
function transferAllInterval() external view returns (uint256);
function transferAllTracker(address) external view returns (uint256);
function transferFrom(address from, address to, uint256 amount) external returns (bool);
function unlock() external;
function unlockedSupply() external view returns (uint256);
}
