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Convex3crv

_approveBasic

Sets unlimited access for curve and booster to the wrapped token and IERC20 tokens.
function _approveBasic() internal override

_approveDex

Sets unlimited access for dex to curve and convex tokens.
function _approveDex() internal override

calc_wrapped_from_want

Calculates amount of want tokens after wrapping.
function calc_wrapped_from_want(uint256 want_amount) public view override returns (uint256)
Parameters:
Name
Type
Description
want_amount
uint256
Amount of want tokens
Return value:
Type
Description
uint256
Amount of wrapped tokens after calculation

wrap

Wraps tokens and adds them to Curve.
function wrap(uint256 want_amount) internal override returns (uint256 expected_return)
Parameters:
Name
Type
Description
want_amount
uint256
Amount of want tokens
Return value:
Name
Type
Description
expected_return
uint256
Amount of tokens after wrapping

prepareReturn

Checks whether convex and curve token amount is greater than 0, if so in dex swaps exact tokens of crv and cvx to tokens, checks whether dai, usdt and usdc amount is greater than 0, if yes, adds liquidity to curve's pool. Calculates profit, loss and debtPayment amount and returns them.
function prepareReturn(uint256 _debtOutstanding) internal override returns(uint256 _profit, uint256 _loss, uint256 _debtPayment)
Parameters:
Name
Type
Description
_debtOutstanding
uint256
Debt value
Return value:
Name
Type
Description
_profit
uint256
Amount of profit made
_loss
uint256
Amount of loss
_debtPayment
uint256
Amount of debt to be payed