> For the complete documentation index, see [llms.txt](https://docs.indexcoop.com/index-coop-community-handbook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.indexcoop.com/index-coop-community-handbook/protocol/index-protocol/modules/wrap-module.md).

# Wrap Module

The **WrapModuleV2** ([Etherscan](https://etherscan.io/address/0xbfe0f7b4f9537a25d7c498161d6f24b38699a075)) is a smart contract that enables the wrapping of ERC20 and Ether positions via third-party protocols. The WrapModule works in conjunction with WrapAdapters, in which the `wrapAdapterID` / `integrationNames` are stored on the [integration registry](/index-coop-community-handbook/protocol/index-protocol/core-contracts/integration-registry.md). Examples of wrap actions include wrapping DAI to cDAI (Compound) or DAI to aDAI (Aave).

## Select Methods

### wrap()

`function wrap(ISetToken _setToken, address _underlyingToken, address _wrappedToken, uint256 _underlyingUnits, string calldata _integrationName)`       

**Manager only**. Instructs the SetToken to wrap an underlying asset into a wrappedToken via a specified adapter.

| Parameter Name    | Type      | Description                                                       |
| ----------------- | --------- | ----------------------------------------------------------------- |
| \_setToken        | ISetToken | Instance of the SetToken                                          |
| \_underlyingToken | address   | Address of the component to be wrapped                            |
| \_wrappedToken    | address   | Address of the desired wrapped token                              |
| \_underlyingUnits | uint256   | Quantity of underlying units in Position units                    |
| \_integrationName | string    | Name of wrap module integration (mapping on integration registry) |

### wrapWithEther()

`function wrapWithEther(ISetToken _setToken, address _wrappedToken, uint256 _underlyingUnits, string calldata _integrationName)`       

**Manager only**. Instructs the SetToken to wrap Ether into a wrappedToken via a specified adapter. Since SetTokens only hold WETH, in order to support protocols that collateralize with Ether the SetToken's WETH must be unwrapped first before sending to the external protocol.

| Parameter Name    | Type      | Description                                                       |
| ----------------- | --------- | ----------------------------------------------------------------- |
| \_setToken        | ISetToken | Instance of the SetToken                                          |
| \_wrappedToken    | address   | Address of the desired wrapped token                              |
| \_underlyingUnits | uint256   | Quantity of underlying units in Position units                    |
| \_integrationName | string    | Name of wrap module integration (mapping on integration registry) |

### unwrap()

`function unwrap(ISetToken _setToken, address _underlyingToken, address _wrappedToken, uint256 _wrappedUnits, string calldata _integrationName)`       

**Manager only**. Instructs the SetToken to wrap an underlying asset into a wrappedToken via a specified adapter.

| Parameter Name    | Type      | Description                                                       |
| ----------------- | --------- | ----------------------------------------------------------------- |
| \_setToken        | ISetToken | Instance of the SetToken                                          |
| \_underlyingToken | address   | Address of the component to be wrapped                            |
| \_wrappedToken    | address   | Address of the desired wrapped token                              |
| \_wrappedUnits    | uint256   | Quantity of wrapped units in Position units                       |
| \_integrationName | string    | Name of wrap module integration (mapping on integration registry) |

### unwrapWithEther()

`function unwrapWithEther(ISetToken _setToken, address _wrappedToken, uint256 _wrappedUnits, string calldata _integrationName)`       

**Manager only**. Instructs the SetToken to wrap an underlying asset into a wrappedToken via a specified adapter.

| Parameter Name    | Type      | Description                                                       |
| ----------------- | --------- | ----------------------------------------------------------------- |
| \_setToken        | ISetToken | Instance of the SetToken                                          |
| \_wrappedToken    | address   | Address of the desired wrapped token                              |
| \_wrappedUnits    | uint256   | Quantity of wrapped units in Position units                       |
| \_integrationName | string    | Name of wrap module integration (mapping on integration registry) |

### initialize()

`function initialize(ISetToken _setToken)`

**Manager only.** Initializes this module to the SetToken.

| Parameter Name | Type      | Description             |
| -------------- | --------- | ----------------------- |
| \_setToken     | ISetToken | Address of the SetToken |


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