# Stopper

View Source: [moc-governance/contracts/Stopper/Stopper.sol](https://github.com/money-on-chain/main-RBTC-contract/blob/master-gitbook/moc-governance/contracts/Stopper/Stopper.sol)

**↗ Extends:** [**Ownable**](https://github.com/money-on-chain/main-RBTC-contract/blob/master-gitbook/docs/abis/Ownable.md) **↘ Derived Contracts:** [**MockStopper**](https://docs.moneyonchain.com/main-rbtc-contract/smart-contracts/abis-documentation/mockstopper)

**Stopper** - version: 0.1.12

The contract in charge of handling the stoppability of the contract that define this contract as its stopper

## Contract Members

**Constants & Variables**

```js
uint256[50] private upgradeGap;
```

***

## Functions

* [pause(Stoppable activeContract)](#pause)
* [unpause(Stoppable pausedContract)](#unpause)

### pause

Pause activeContract if it is stoppable

```js
function pause(Stoppable activeContract) external nonpayable onlyOwner 
```

**Arguments**

| Name           | Type      | Description           |
| -------------- | --------- | --------------------- |
| activeContract | Stoppable | Contract to be paused |

### unpause

Unpause pausedContract if it is stoppable

```js
function unpause(Stoppable pausedContract) external nonpayable onlyOwner 
```

**Arguments**

| Name           | Type      | Description             |
| -------------- | --------- | ----------------------- |
| pausedContract | Stoppable | Contract to be unpaused |