        IVesting(vesting).setupVesting(msg.sender, _amount, block.timestamp);
        token.safeTransfer(vesting, _amount);
        ...
    function vest(
        address recipient,
        uint256 _amount,
        uint256 _unlockBegin
    ) external {
        require(msg.sender == vault, "StakedCitadelVester: only xCTDL vault");
        require(_amount > 0, "StakedCitadelVester: cannot vest 0");

        vesting[recipient].lockedAmounts =
            vesting[recipient].lockedAmounts +
            _amount;
        vesting[recipient].unlockBegin = _unlockBegin;
        vesting[recipient].unlockEnd = _unlockBegin + vestingDuration;

        emit Vest(
            recipient,
            vesting[recipient].lockedAmounts,
            _unlockBegin,
            vesting[recipient].unlockEnd
        );
    }
interface IVesting {
    function vest(
        address recipient,
        uint256 _amount,
        uint256 _unlockBegin
    ) external;
}
...
IVesting(vesting).vest(msg.sender, _amount, block.timestamp);
token.safeTransfer(vesting, _amount);
