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46/// @dev Change the recipient address. Can only be called by current recipient.
47/// @param _recipient is the new recipient address
48function setRecipient(address _recipient) external {
49    require(_recipient != address(0), "Zero address, Invalid!");
50    require(
51        // Make sure current recipient is sending this
52        msg.sender == recipient,
53        "R"
54    );
55    recipient = _recipient;
56}
57
58function claim() external   {
59    require(msg.sender == recipient, 'R');
60    _claim();
61}
62
63/// @dev If the user leaves steer then steer can cut off the user's funds from that point on.
64function cutOffFunds() external {
65    require(msg.sender == owner);
66    if (block.timestamp >= vestingCliff) {
67        _claim();
68    }
69
70    IERC20(steerToken).safeTransfer(
71        owner,
72        IERC20(steerToken).balanceOf(address(this))
73    );
74}
75
76/// @dev User can call this function to get the voting power of the tokens that are vested.
77function getVotingPowerForVestedTokens() external {
78    ISteerToken(steerToken).delegate(recipient);
79}

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22constructor(
23    address steerToken_,
24    address recipient_,
25    address _owner, // Intended to be multisig. This address can cut off funding if user leaves Steer.
26    uint256 vestingAmount_,
27    uint256 vestingBegin_,
28    uint256 vestingCliff_,
29    uint256 vestingEnd_
30) {
31    require(vestingCliff_ >= vestingBegin_, "C");
32    require(vestingEnd_ > vestingCliff_, "E");
33
34    steerToken = steerToken_;
35    recipient = recipient_;
36    owner = _owner;
37
38    vestingAmount = vestingAmount_;
39    vestingBegin = vestingBegin_;
40    vestingCliff = vestingCliff_;
41    vestingEnd = vestingEnd_;
42
43    lastUpdate = vestingBegin;
44}