# ICreditDelegationToken

Defines the basic interface for a token supporting credit delegation.

## BorrowAllowanceDelegated

```solidity
event BorrowAllowanceDelegated(address fromUser, address toUser, address asset, uint256 amount)
```

*Emitted on `approveDelegation` and \`borrowAllowance*

### Parameters

| Name     | Type    | Description                        |
| -------- | ------- | ---------------------------------- |
| fromUser | address | The address of the delegator       |
| toUser   | address | The address of the delegatee       |
| asset    | address | The address of the delegated asset |
| amount   | uint256 | The amount being delegated         |

## approveDelegation

```solidity
function approveDelegation(address delegatee, uint256 amount) external
```

Delegates borrowing power to a user on the specific debt token.\
Delegation will still respect the liquidation constraints (even if delegated, a\
delegatee cannot force a delegator HF to go below 1)

### Parameters

| Name      | Type    | Description                                         |
| --------- | ------- | --------------------------------------------------- |
| delegatee | address | The address receiving the delegated borrowing power |
| amount    | uint256 | The maximum amount being delegated.                 |

## borrowAllowance

```solidity
function borrowAllowance(address fromUser, address toUser) external view returns (uint256)
```

Returns the borrow allowance of the user

### Parameters

| Name     | Type    | Description                   |
| -------- | ------- | ----------------------------- |
| fromUser | address | The user to giving allowance  |
| toUser   | address | The user to give allowance to |

### Return Values

| Name | Type    | Description                       |
| ---- | ------- | --------------------------------- |
| \[0] | uint256 | The current allowance of `toUser` |

## delegationWithSig

```solidity
function delegationWithSig(address delegator, address delegatee, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external
```

Delegates borrowing power to a user on the specific debt token via ERC712 signature

### Parameters

| Name      | Type    | Description                                                |
| --------- | ------- | ---------------------------------------------------------- |
| delegator | address | The delegator of the credit                                |
| delegatee | address | The delegatee that can use the credit                      |
| value     | uint256 | The amount to be delegated                                 |
| deadline  | uint256 | The deadline timestamp, type(uint256).max for max deadline |
| v         | uint8   | The V signature param                                      |
| r         | bytes32 | The R signature param                                      |
| s         | bytes32 | The S signature param                                      |


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