> For the complete documentation index, see [llms.txt](https://weidex.gitbook.io/weidex-v2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://weidex.gitbook.io/weidex-v2/smart-contracts/exchangemovements.sol.md).

# ExchangeMovements.sol

## Events

### Deposit()

This event is emitted when a **deposit is received.**

```
event Deposit(address indexed token, address indexed user, address indexed referral, 
address beneficiary, uint256 amount, uint256 balance);
```

| parameter   | type    |
| ----------- | ------- |
| token       | address |
| user        | address |
| referral    | address |
| beneficiary | address |
| amount      | uint256 |
| balance     | uint256 |

### Withdraw()

This event is emitted when a **withdraw is received**.

```
 event Withdraw(address indexed token, address indexed user, uint256 amount,
 uint256 balance);
```

| parameter | type    |
| --------- | ------- |
| token     | address |
| user      | address |
| amount    | uint256 |
| balance   | uint256 |

### Transfer()

This event is emitted when a **transfer is received**.

```
  event Transfer(address indexed token, address indexed user,
  address indexed beneficiary, uint256 amount, uint256 userBalance,
  uint256 beneficiaryBalance);
```

| parameter          | type    |
| ------------------ | ------- |
| token              | address |
| user               | address |
| beneficiary        | address |
| amount             | uint256 |
| userBalance        | uint256 |
| beneficiaryBalance | uint256 |

## Functions

### deposit()

This function **updates the 'balances' map** based on the input. **Note**: If the deposit is for ETH the token address is (0x0).

```
 function deposit(address token, uint256 amount, address beneficiary,
 address referral) public payable
```

| parameter   | type    |
| ----------- | ------- |
| token       | address |
| amount      | uint256 |
| beneficiary | address |
| referral    | address |

### withdraw()

This function **updates the 'balances' map** based on the input. **Note**: If the withdraw is for ETH the token address is (0x0).

```
 function withdraw(address token, uint amount) public
```

| parameter | type    |
| --------- | ------- |
| token     | address |
| amount    | uint    |

### transfer()

This is a function used for the **transfer of assets** between two users **inside** the exchange.

```
 function transfer(address token, address to, uint256 amount) external payable
```

| parameter | type    |
| --------- | ------- |
| token     | address |
| to        | address |
| amount    | uint256 |