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47/**
48* @dev Caller must transfer the right amount of tokens to the trader
49 */
50function sellAMPLForEth(uint256 amount) external override returns (uint256 ethAmount) {
51    amplToken.transferFrom(msg.sender, address(this), amount);
52    (ethAmount,) = amplEth.swapExactAmountIn(address(amplToken), amount, address(wethToken), 0, MAX_INT);
53    wethToken.withdraw(ethAmount);
54    msg.sender.transfer(ethAmount);
55    emit Sale_ETH(amount, ethAmount);
56}
57
58/**
59* @dev Caller must transfer the right amount of tokens to the trader (USDC will be replaced with ETH)
60 */
61function sellAMPLForEEFI(uint256 amount) external override returns (uint256 eefiAmount) {
62    amplToken.transferFrom(msg.sender, address(this), amount);
63    (uint256 usdcAmount,) = amplUsdc.swapExactAmountIn(address(amplToken), amount, address(usdcToken), 0, MAX_INT);
64    eefiAmount = vault.swap(IVault.SingleSwap(
65        eefiUsdcPoolID,
66        IVault.SwapKind.GIVEN_IN,
67        IAsset(address(usdcToken)),
68        IAsset(address(eefiToken)),
69        usdcAmount,
70        "0x"
71    ), IVault.FundManagement(
72        address(this),
73        false,
74        msg.sender,
75        false),
76        0, block.timestamp);
77    emit Sale_EEFI(amount, eefiAmount);
78}