# Asset

## Overview

#### License: MIT

```solidity
library Asset
```

A library for handling different types of assets, including ERC20 tokens, ERC4626 tokens, and Uniswap V2 LP tokens.

## Enums info

### Type

```solidity
enum Type {
	 ERC20,
	 ERC4626,
	 LP
}
```

## Structs info

### Info

```solidity
struct Info {
	address addr;
	Asset.Type tokenType;
}
```

## Functions info

### \_unwrap

```solidity
function _unwrap(
    Asset.Info memory _tokenInfo,
    uint256 _tokenAmount
) internal returns (address[] memory assets, uint256[] memory assetAmounts)
```

Unwraps the specified amount of tokens based on their type.

Parameters:

| Name          | Type              | Description                                                  |
| ------------- | ----------------- | ------------------------------------------------------------ |
| \_tokenInfo   | struct Asset.Info | Information about the token, including its address and type. |
| \_tokenAmount | uint256           | The amount of tokens to unwrap.                              |

Return values:

| Name         | Type       | Description                          |
| ------------ | ---------- | ------------------------------------ |
| assets       | address\[] | The unwrapped assets' addresses.     |
| assetAmounts | uint256\[] | The amounts of the unwrapped assets. |

### \_wrap

```solidity
function _wrap(
    address[] memory _assets,
    uint256[] memory _assetAmounts,
    Asset.Info memory _tokenInfo
) internal returns (uint256 tokenAmount)
```

Wraps the specified amounts of assets into a token.

Parameters:

| Name           | Type              | Description                                                  |
| -------------- | ----------------- | ------------------------------------------------------------ |
| \_assets       | address\[]        | The addresses of the assets to wrap.                         |
| \_assetAmounts | uint256\[]        | The amounts of the assets to wrap.                           |
| \_tokenInfo    | struct Asset.Info | Information about the token, including its address and type. |

Return values:

| Name        | Type    | Description                      |
| ----------- | ------- | -------------------------------- |
| tokenAmount | uint256 | The amount of the wrapped token. |

### \_redeem

```solidity
function _redeem(
    Asset.Info memory _tokenInfo,
    address _receiver
) internal returns (address[] memory assets, uint256[] memory assetAmounts)
```

Redeems the redundant amount of tokens for the underlying assets.

Parameters:

| Name        | Type              | Description                                                  |
| ----------- | ----------------- | ------------------------------------------------------------ |
| \_tokenInfo | struct Asset.Info | Information about the token, including its address and type. |
| \_receiver  | address           | The address that will receive the redeemed assets.           |

Return values:

| Name         | Type       | Description                         |
| ------------ | ---------- | ----------------------------------- |
| assets       | address\[] | The redeemed assets' addresses.     |
| assetAmounts | uint256\[] | The amounts of the redeemed assets. |

### \_safeIncreaseAllowance

```solidity
function _safeIncreaseAllowance(
    address _spender,
    address _token,
    uint256 _tokenAmount
) internal
```

Safely increases the allowance of a spender for a given token.

Parameters:

| Name          | Type    | Description                              |
| ------------- | ------- | ---------------------------------------- |
| \_spender     | address | The address allowed to spend the tokens. |
| \_token       | address | The address of the token.                |
| \_tokenAmount | uint256 | The amount of tokens to allow.           |