> For the complete documentation index, see [llms.txt](https://docs.ariaprotocol.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ariaprotocol.xyz/technical-docs/contract-docs/iprwa/vault/fundraise/ivaultfundraiseuser.md).

# IVaultFundraiseUser

Interface for the VaultFundraise User functions.

## Functions

### deposit

Deposits USDC to the vault, only when the vault is Open

```solidity
function deposit(address usdc, uint128 amount) external;
```

**Parameters**

| Name     | Type      | Description                                   |
| -------- | --------- | --------------------------------------------- |
| `usdc`   | `address` | The USDC address to deposit for the fundraise |
| `amount` | `uint128` | The amount of the USDC token to deposit       |

### claimRefund

Claims refund, only when the vault is Canceled

```solidity
function claimRefund(address usdc) external returns (uint128 amount);
```

**Parameters**

| Name   | Type      | Description                                                                   |
| ------ | --------- | ----------------------------------------------------------------------------- |
| `usdc` | `address` | The USDC address to claim refund for, used as payment token for the fundraise |

**Returns**

| Name     | Type      | Description                          |
| -------- | --------- | ------------------------------------ |
| `amount` | `uint128` | The amount of the USDC token claimed |

## Events

### DepositReceived

Emitted when a deposit is received by the vault

```solidity
event DepositReceived(address indexed depositor, address indexed token, uint128 amount);
```

**Parameters**

| Name        | Type      | Description                       |
| ----------- | --------- | --------------------------------- |
| `depositor` | `address` | The address of the depositor      |
| `token`     | `address` | The address of the token received |
| `amount`    | `uint128` | The amount of the token received  |

### RefundClaimed

Emitted when a refund is claimed by the depositor

```solidity
event RefundClaimed(address indexed claimer, address indexed token, uint128 amount);
```

**Parameters**

| Name      | Type      | Description                      |
| --------- | --------- | -------------------------------- |
| `claimer` | `address` | The address of the claimer       |
| `token`   | `address` | The address of the token claimed |
| `amount`  | `uint128` | The amount of the token claimed  |


---

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