Transfer Manager for limiting maximum number of token holders (CountTransferManager.sol)

View Source: contracts/modules/TransferManager/CTM/CountTransferManager.sol

↗ Extends: CountTransferManagerStorage, TransferManager ↘ Derived Contracts: MockCountTransferManager

CountTransferManager

Events

event ModifyHolderCount(uint256  _oldHolderCount, uint256  _newHolderCount);

Functions

• (address _securityToken, address _polyToken)

• executeTransfer(address _from, address _to, uint256 _amount, bytes )

• verifyTransfer(address _from, address _to, uint256 _amount, bytes )

• _verifyTransfer(address _from, address _to, uint256 _amount, uint256 _holderCount)

• configure(uint256 _maxHolderCount)

• changeHolderCount(uint256 _maxHolderCount)

• getInitFunction()

• getPermissions()

Constructor

function (address _securityToken, address _polyToken) public nonpayable Module

Arguments

Name	Type	Description
_securityToken	address	Address of the security token
_polyToken	address

executeTransfer

⤾ overrides ITransferManager.executeTransfer

Used to verify the transfer transaction and prevent a transfer if it passes the allowed amount of token holders

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

Arguments

Name	Type	Description
_from	address	Address of the sender
_to	address	Address of the receiver
_amount	uint256	Amount to send
	bytes	_from Address of the sender

verifyTransfer

⤾ overrides ITransferManager.verifyTransfer

Used to verify the transfer transaction and prevent a transfer if it passes the allowed amount of token holders

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	Amount to send
	bytes	_from Address of the sender

_verifyTransfer

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

Arguments

Name	Type	Description
_from	address
_to	address
_amount	uint256
_holderCount	uint256

configure

Used to initialize the variables of the contract

function configure(uint256 _maxHolderCount) public nonpayable onlyFactory

Arguments

Name	Type	Description
_maxHolderCount	uint256	Maximum no. of holders this module allows the SecurityToken to have

changeHolderCount

Sets the cap for the amount of token holders there can be

function changeHolderCount(uint256 _maxHolderCount) public nonpayable withPerm

Arguments

Name	Type	Description
_maxHolderCount	uint256	is the new maximum amount of token holders

getInitFunction

⤾ overrides IModule.getInitFunction

This function returns the signature of configure function

function getInitFunction() public pure
returns(bytes4)

Arguments

Name	Type	Description

getPermissions

⤾ overrides IModule.getPermissions

Returns the permissions flag that are associated with CountTransferManager

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

Arguments

Name	Type	Description