# ConvexAIEth

#### **`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 |

#### **`unwrap`**

If wrapped amount is greater than 0, remove wrapped amount from curve's liquidity and deposit balance of the contract to the wrapped ethereum.

```
function unwrap(uint256 wrapped_amount) internal override returns (uint256 result_val)
```

**Parameters:**

| Name            | Type    | Description                        |
| --------------- | ------- | ---------------------------------- |
| wrapped\_amount | uint256 | Amount of wrapped tokens to unwrap |

**Return value:**

| Name        | Type    | Description                       |
| ----------- | ------- | --------------------------------- |
| result\_val | uint256 | Amount of tokens after unwrapping |

#### **`wrap`**

Calculates wrapped amount from want amount, removes wrapped tokens from wrapped ethereum and after converting them, deposits them to the curve's pool.

```
function wrap(uint256 want_amount) internal override returns (uint256 expected_return)
```

**Parameters:**

| Name         | Type    | Description                   |
| ------------ | ------- | ----------------------------- |
| want\_amount | uint256 | Amount of want tokens to wrap |

**Return value:**

| Name             | Type    | Description                     |
| ---------------- | ------- | ------------------------------- |
| expected\_return | uint256 | Amount of tokens after wrapping |

#### **`prepareReturn`**

Calculates curve and convex tokens and swaps them to ETH, sells extra rewards, after that is done, calculates and returns value of profit, loss and dept payment.

```
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 |


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