    _safeTransferFrom(token, msg.sender, address(this), amount);
    tokenRewardsPerEpoch[token][adjustedTstamp] = epochRewards + amount;
function deliverReward(address token, uint epochStart) external lock returns (uint) {
    require(msg.sender == gauge);
    uint rewardPerEpoch = tokenRewardsPerEpoch[token][epochStart];
    if (rewardPerEpoch > 0) {
        _safeTransfer(token, address(gauge), rewardPerEpoch);
    }
    return rewardPerEpoch;
}
// Note that the following test was adapted from Bribes.t.sol
function testFailFeeOnTransferToken() public {
    // Deploy ERC20 token with fee-on-transfer
    MockERC20Fee FEE_TOKEN = new MockERC20Fee("FEE", "FEE", 18);

    // Mint FEE token for address(this)
    FEE_TOKEN.mint(address(this), 1e25);
    
    // vote
    VELO.approve(address(escrow), TOKEN_1);
    escrow.create_lock(TOKEN_1, 4 * 365 * 86400);
    vm.warp(block.timestamp + 1);

    address[] memory pools = new address[](1);
    pools[0] = address(pair);
    uint256[] memory weights = new uint256[](1);
    weights[0] = 10000;
    voter.vote(1, pools, weights);

    // and deposit into the gauge!
    pair.approve(address(gauge), 1e9);
    gauge.deposit(1e9, 1);

    vm.warp(block.timestamp + 12 hours); // still prior to epoch start
    vm.roll(block.number + 1);
    assertEq(uint(gauge.getVotingStage(block.timestamp)), uint(Gauge.VotingStage.BribesPhase));

    vm.warp(block.timestamp + 12 hours); // start of epoch
    vm.roll(block.number + 1);
    assertEq(uint(gauge.getVotingStage(block.timestamp)), uint(Gauge.VotingStage.VotesPhase));

    vm.warp(block.timestamp + 5 days); // votes period over
    vm.roll(block.number + 1);

    vm.warp(2 weeks + 1); // emissions start
    vm.roll(block.number + 1);

    minter.update_period();
    distributor.claim(1); // yay this works

    vm.warp(block.timestamp + 1 days); // next votes period start
    vm.roll(block.number + 1);

    // get a bribe
    owner.approve(address(FEE_TOKEN), address(bribe), TOKEN_1);
    bribe.notifyRewardAmount(address(FEE_TOKEN), TOKEN_1);

    vm.warp(block.timestamp + 5 days); // votes period over
    vm.roll(block.number + 1);

    // Atttempt to claim tokens will revert
    voter.distro(); // bribe gets deposited in the gauge
}
    uint256 _before = IERC20(token).balanceOf(address(this));
    _safeTransferFrom(token, msg.sender, address(this), amount);
    uint256 _after = IERC20(token).balanceOf(address(this));

    tokenRewardsPerEpoch[token][adjustedTstamp] = epochRewards + (_after - _before);
