# Transfer Manager module for manually approving transactions between accounts (ManualApprovalTransfer

View Source: [contracts/modules/TransferManager/MATM/ManualApprovalTransferManager.sol](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/contracts/modules/TransferManager/MATM/ManualApprovalTransferManager.sol)

**↗ Extends:** [**ManualApprovalTransferManagerStorage**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/ManualApprovalTransferManagerStorage.md)**,** [**TransferManager**](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/TransferManager.md)

**ManualApprovalTransferManager**

**Events**

```javascript
event AddManualApproval(address indexed _from, address indexed _to, uint256  _allowance, uint256  _expiryTime, bytes32  _description, address indexed _addedBy);
event ModifyManualApproval(address indexed _from, address indexed _to, uint256  _expiryTime, uint256  _allowance, bytes32  _description, address indexed _editedBy);
event RevokeManualApproval(address indexed _from, address indexed _to, address indexed _addedBy);
```

## Functions

* [(address \_securityToken, address \_polyToken)](/polymath/api/manualapprovaltransfermanager.md)
* [getInitFunction()](/polymath/api/manualapprovaltransfermanager.md#getinitfunction)
* [executeTransfer(address \_from, address \_to, uint256 \_amount, bytes )](/polymath/api/manualapprovaltransfermanager.md#executetransfer)
* [verifyTransfer(address \_from, address \_to, uint256 \_amount, bytes )](/polymath/api/manualapprovaltransfermanager.md#verifytransfer)
* [\_verifyTransfer(address \_from, address \_to, uint256 \_amount)](/polymath/api/manualapprovaltransfermanager.md#_verifytransfer)
* [addManualApproval(address \_from, address \_to, uint256 \_allowance, uint256 \_expiryTime, bytes32 \_description)](/polymath/api/manualapprovaltransfermanager.md#addmanualapproval)
* [\_addManualApproval(address \_from, address \_to, uint256 \_allowance, uint256 \_expiryTime, bytes32 \_description)](/polymath/api/manualapprovaltransfermanager.md#_addmanualapproval)
* [addManualApprovalMulti(address\[\] \_from, address\[\] \_to, uint256\[\] \_allowances, uint256\[\] \_expiryTimes, bytes32\[\] \_descriptions)](/polymath/api/manualapprovaltransfermanager.md#addmanualapprovalmulti)
* [modifyManualApproval(address \_from, address \_to, uint256 \_expiryTime, uint256 \_changeInAllowance, bytes32 \_description, bool \_increase)](/polymath/api/manualapprovaltransfermanager.md#modifymanualapproval)
* [\_modifyManualApproval(address \_from, address \_to, uint256 \_expiryTime, uint256 \_changeInAllowance, bytes32 \_description, bool \_increase)](/polymath/api/manualapprovaltransfermanager.md#_modifymanualapproval)
* [modifyManualApprovalMulti(address\[\] \_from, address\[\] \_to, uint256\[\] \_expiryTimes, uint256\[\] \_changeInAllowance, bytes32\[\] \_descriptions, bool\[\] \_increase)](/polymath/api/manualapprovaltransfermanager.md#modifymanualapprovalmulti)
* [revokeManualApproval(address \_from, address \_to)](/polymath/api/manualapprovaltransfermanager.md#revokemanualapproval)
* [\_revokeManualApproval(address \_from, address \_to)](/polymath/api/manualapprovaltransfermanager.md#_revokemanualapproval)
* [revokeManualApprovalMulti(address\[\] \_from, address\[\] \_to)](/polymath/api/manualapprovaltransfermanager.md#revokemanualapprovalmulti)
* [\_checkInputLengthArray(address\[\] \_from, address\[\] \_to, uint256\[\] \_expiryTimes, uint256\[\] \_allowances, bytes32\[\] \_descriptions)](/polymath/api/manualapprovaltransfermanager.md#_checkinputlengtharray)
* [getActiveApprovalsToUser(address \_user)](/polymath/api/manualapprovaltransfermanager.md#getactiveapprovalstouser)
* [getApprovalDetails(address \_from, address \_to)](/polymath/api/manualapprovaltransfermanager.md#getapprovaldetails)
* [getTotalApprovalsLength()](/polymath/api/manualapprovaltransfermanager.md#gettotalapprovalslength)
* [getAllApprovals()](/polymath/api/manualapprovaltransfermanager.md#getallapprovals)
* [getPermissions()](/polymath/api/manualapprovaltransfermanager.md#getpermissions)

Constructor

```javascript
function (address _securityToken, address _polyToken) public nonpayable Module
```

**Arguments**

| Name            | Type    | Description                   |
| --------------- | ------- | ----------------------------- |
| \_securityToken | address | Address of the security token |
| \_polyToken     | address |                               |

### getInitFunction

⤾ overrides [IModule.getInitFunction](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/IModule.md#getinitfunction)

This function returns the signature of configure function

```javascript
function getInitFunction() public pure
returns(bytes4)
```

**Arguments**

| Name | Type | Description |
| ---- | ---- | ----------- |

### executeTransfer

⤾ overrides [ITransferManager.executeTransfer](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/ITransferManager.md#executetransfer)

Used to verify the transfer transaction and allow a manually approved transqaction to bypass other restrictions

```javascript
function executeTransfer(address _from, address _to, uint256 _amount, bytes ) external nonpayable onlySecurityToken 
returns(enum ITransferManager.Result)
```

**Arguments**

| Name     | Type    | Description                      |
| -------- | ------- | -------------------------------- |
| \_from   | address | Address of the sender            |
| \_to     | address | Address of the receiver          |
| \_amount | uint256 | The amount of tokens to transfer |
|          | bytes   | \_from Address of the sender     |

### verifyTransfer

⤾ overrides [ITransferManager.verifyTransfer](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/ITransferManager.md#verifytransfer)

Used to verify the transfer transaction and allow a manually approved transqaction to bypass other restrictions

```javascript
function verifyTransfer(address _from, address _to, uint256 _amount, bytes ) public view
returns(enum ITransferManager.Result, bytes32)
```

**Arguments**

| Name     | Type    | Description                      |
| -------- | ------- | -------------------------------- |
| \_from   | address | Address of the sender            |
| \_to     | address | Address of the receiver          |
| \_amount | uint256 | The amount of tokens to transfer |
|          | bytes   | \_from Address of the sender     |

### \_verifyTransfer

```javascript
function _verifyTransfer(address _from, address _to, uint256 _amount) internal view
returns(enum ITransferManager.Result, bytes32)
```

**Arguments**

| Name     | Type    | Description |
| -------- | ------- | ----------- |
| \_from   | address |             |
| \_to     | address |             |
| \_amount | uint256 |             |

### addManualApproval

Adds a pair of addresses to manual approvals

```javascript
function addManualApproval(address _from, address _to, uint256 _allowance, uint256 _expiryTime, bytes32 _description) external nonpayable withPerm
```

**Arguments**

| Name          | Type    | Description                                      |
| ------------- | ------- | ------------------------------------------------ |
| \_from        | address | is the address from which transfers are approved |
| \_to          | address | is the address to which transfers are approved   |
| \_allowance   | uint256 | is the approved amount of tokens                 |
| \_expiryTime  | uint256 | is the time until which the transfer is allowed  |
| \_description | bytes32 | Description about the manual approval            |

### \_addManualApproval

```javascript
function _addManualApproval(address _from, address _to, uint256 _allowance, uint256 _expiryTime, bytes32 _description) internal nonpayable
```

**Arguments**

| Name          | Type    | Description |
| ------------- | ------- | ----------- |
| \_from        | address |             |
| \_to          | address |             |
| \_allowance   | uint256 |             |
| \_expiryTime  | uint256 |             |
| \_description | bytes32 |             |

### addManualApprovalMulti

Adds mutiple manual approvals in batch

```javascript
function addManualApprovalMulti(address[] _from, address[] _to, uint256[] _allowances, uint256[] _expiryTimes, bytes32[] _descriptions) public nonpayable withPerm
```

**Arguments**

| Name           | Type       | Description                                                    |
| -------------- | ---------- | -------------------------------------------------------------- |
| \_from         | address\[] | is the address array from which transfers are approved         |
| \_to           | address\[] | is the address array to which transfers are approved           |
| \_allowances   | uint256\[] | is the array of approved amounts                               |
| \_expiryTimes  | uint256\[] | is the array of the times until which eath transfer is allowed |
| \_descriptions | bytes32\[] | is the description array for these manual approvals            |

### modifyManualApproval

Modify the existing manual approvals

```javascript
function modifyManualApproval(address _from, address _to, uint256 _expiryTime, uint256 _changeInAllowance, bytes32 _description, bool _increase) external nonpayable withPerm
```

**Arguments**

| Name                | Type    | Description                                                                 |
| ------------------- | ------- | --------------------------------------------------------------------------- |
| \_from              | address | is the address from which transfers are approved                            |
| \_to                | address | is the address to which transfers are approved                              |
| \_expiryTime        | uint256 | is the time until which the transfer is allowed                             |
| \_changeInAllowance | uint256 | is the change in allowance                                                  |
| \_description       | bytes32 | Description about the manual approval                                       |
| \_increase          | bool    | tells whether the allowances will be increased (true) or decreased (false). |

or any value when there is no change in allowances |

### \_modifyManualApproval

```javascript
function _modifyManualApproval(address _from, address _to, uint256 _expiryTime, uint256 _changeInAllowance, bytes32 _description, bool _increase) internal nonpayable
```

**Arguments**

| Name                | Type    | Description |
| ------------------- | ------- | ----------- |
| \_from              | address |             |
| \_to                | address |             |
| \_expiryTime        | uint256 |             |
| \_changeInAllowance | uint256 |             |
| \_description       | bytes32 |             |
| \_increase          | bool    |             |

### modifyManualApprovalMulti

Adds mutiple manual approvals in batch

```javascript
function modifyManualApprovalMulti(address[] _from, address[] _to, uint256[] _expiryTimes, uint256[] _changeInAllowance, bytes32[] _descriptions, bool[] _increase) public nonpayable withPerm
```

**Arguments**

| Name                | Type       | Description                                                                                     |
| ------------------- | ---------- | ----------------------------------------------------------------------------------------------- |
| \_from              | address\[] | is the address array from which transfers are approved                                          |
| \_to                | address\[] | is the address array to which transfers are approved                                            |
| \_expiryTimes       | uint256\[] | is the array of the times until which eath transfer is allowed                                  |
| \_changeInAllowance | uint256\[] | is the array of change in allowances                                                            |
| \_descriptions      | bytes32\[] | is the description array for these manual approvals                                             |
| \_increase          | bool\[]    | Array of bools that tells whether the allowances will be increased (true) or decreased (false). |

or any value when there is no change in allowances |

### revokeManualApproval

Removes a pairs of addresses from manual approvals

```javascript
function revokeManualApproval(address _from, address _to) external nonpayable withPerm
```

**Arguments**

| Name   | Type    | Description                                      |
| ------ | ------- | ------------------------------------------------ |
| \_from | address | is the address from which transfers are approved |
| \_to   | address | is the address to which transfers are approved   |

### \_revokeManualApproval

```javascript
function _revokeManualApproval(address _from, address _to) internal nonpayable
```

**Arguments**

| Name   | Type    | Description |
| ------ | ------- | ----------- |
| \_from | address |             |
| \_to   | address |             |

### revokeManualApprovalMulti

Removes mutiple pairs of addresses from manual approvals

```javascript
function revokeManualApprovalMulti(address[] _from, address[] _to) external nonpayable withPerm
```

**Arguments**

| Name   | Type       | Description                                            |
| ------ | ---------- | ------------------------------------------------------ |
| \_from | address\[] | is the address array from which transfers are approved |
| \_to   | address\[] | is the address array to which transfers are approved   |

### \_checkInputLengthArray

```javascript
function _checkInputLengthArray(address[] _from, address[] _to, uint256[] _expiryTimes, uint256[] _allowances, bytes32[] _descriptions) internal pure
```

**Arguments**

| Name           | Type       | Description |
| -------------- | ---------- | ----------- |
| \_from         | address\[] |             |
| \_to           | address\[] |             |
| \_expiryTimes  | uint256\[] |             |
| \_allowances   | uint256\[] |             |
| \_descriptions | bytes32\[] |             |

### getActiveApprovalsToUser

Returns the all active approvals corresponds to an address

```javascript
function getActiveApprovalsToUser(address _user) external view
returns(address[], address[], uint256[], uint256[], uint256[], bytes32[])
```

**Returns**

address\[] addresses from

**Arguments**

| Name   | Type    | Description                                                        |
| ------ | ------- | ------------------------------------------------------------------ |
| \_user | address | Address of the holder corresponds to whom list of manual approvals |

need to return |

### getApprovalDetails

Get the details of the approval corresponds to \_from & \_to addresses

```javascript
function getApprovalDetails(address _from, address _to) external view
returns(uint256, uint256, uint256, bytes32)
```

**Returns**

uint256 expiryTime of the approval

**Arguments**

| Name   | Type    | Description             |
| ------ | ------- | ----------------------- |
| \_from | address | Address of the sender   |
| \_to   | address | Address of the receiver |

### getTotalApprovalsLength

Returns the current number of active approvals

```javascript
function getTotalApprovalsLength() external view
returns(uint256)
```

**Arguments**

| Name | Type | Description |
| ---- | ---- | ----------- |

### getAllApprovals

Get the details of all approvals

```javascript
function getAllApprovals() external view
returns(address[], address[], uint256[], uint256[], uint256[], bytes32[])
```

**Returns**

address\[] addresses from

**Arguments**

| Name | Type | Description |
| ---- | ---- | ----------- |

### getPermissions

⤾ overrides [IModule.getPermissions](https://github.com/PolymathNetwork/polymath-core/tree/096ba240a927c98e1f1a182d2efee7c4c4c1dfc5/docs/api/IModule.md#getpermissions)

Returns the permissions flag that are associated with ManualApproval transfer manager

```javascript
function getPermissions() public view
returns(bytes32[])
```

**Arguments**

| Name | Type | Description |
| ---- | ---- | ----------- |


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