# StolenNftFilterOracle.sol

[Git Source](https://github.com/outdoteth/Caviar/blob/fe772f95d422ab3b2897f7403c37b8326c5a1bbf/src/StolenNftFilterOracle.sol)

**Inherits:** ReservoirOracle, Owned

**Author:** out.eth (@outdoteth)

A contract to check that a set of NFTs are not stolen.

## State Variables

### TOKEN\_TYPE\_HASH

```solidity
bytes32 private constant TOKEN_TYPE_HASH = keccak256("Token(address contract,uint256 tokenId)");
```

### cooldownPeriod

```solidity
uint256 public cooldownPeriod = 0;
```

### validFor

```solidity
uint256 public validFor = 60 minutes;
```

## Functions

### constructor

```solidity
constructor() Owned(msg.sender) ReservoirOracle(0x32dA57E736E05f75aa4FaE2E9Be60FD904492726);
```

### setCooldownPeriod

Sets the cooldown period.

```solidity
function setCooldownPeriod(uint256 _cooldownPeriod) public onlyOwner;
```

**Parameters**

| Name              | Type      | Description          |
| ----------------- | --------- | -------------------- |
| `_cooldownPeriod` | `uint256` | The cooldown period. |

### setValidFor

Sets the valid for period.

```solidity
function setValidFor(uint256 _validFor) public onlyOwner;
```

**Parameters**

| Name        | Type      | Description           |
| ----------- | --------- | --------------------- |
| `_validFor` | `uint256` | The valid for period. |

### validateTokensAreNotStolen

Checks that a set of NFTs are not stolen.

```solidity
function validateTokensAreNotStolen(address tokenAddress, uint256[] calldata tokenIds, Message[] calldata messages)
    public
    view;
```

**Parameters**

| Name           | Type        | Description                                  |
| -------------- | ----------- | -------------------------------------------- |
| `tokenAddress` | `address`   | The address of the NFT contract.             |
| `tokenIds`     | `uint256[]` | The ids of the NFTs.                         |
| `messages`     | `Message[]` | The messages signed by the reservoir oracle. |