> For the complete documentation index, see [llms.txt](https://docs.rigoblock.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rigoblock.com/solidity-api-reference/protocol/extensions/eupgrade.md).

# EUpgrade

## EUpgrade

### EUpgradeDirectCall

```solidity
error EUpgradeDirectCall()
```

### EUpgradeImplementationIsSameAsCurrent

```solidity
error EUpgradeImplementationIsSameAsCurrent()
```

### constructor

```solidity
constructor(address factory) public
```

### upgradeImplementation

```solidity
function upgradeImplementation() external
```

Allows caller to upgrade pool implementation.

*Cannot be called directly and in pool is restricted to pool owner.*

### getBeacon

```solidity
function getBeacon() public view returns (address)
```

Returns the implementation beacon. Address of the beacon.