PolyTokenFaucet.sol

View Source: contracts/mocks/PolyTokenFaucet.sol

PolyTokenFaucet

Contract Members

Constants & Variables

//internal members
uint256 internal totalSupply_;
mapping(address => uint256) internal balances;
mapping(address => mapping(address => uint256)) internal allowed;

//public members
string public name;
uint8 public decimals;
string public symbol;

Events

event Transfer(address indexed from, address indexed to, uint256  value);
event Approval(address indexed owner, address indexed spender, uint256  value);

Functions

• ()

• getTokens(uint256 _amount, address _recipient)

• transfer(address _to, uint256 _value)

• transferFrom(address _from, address _to, uint256 _value)

• balanceOf(address _owner)

• approve(address _spender, uint256 _value)

• allowance(address _owner, address _spender)

• totalSupply()

• increaseApproval(address _spender, uint256 _addedValue)

• decreaseApproval(address _spender, uint256 _subtractedValue)

function () public nonpayable

Arguments

Name

Type

Description

getTokens

function getTokens(uint256 _amount, address _recipient) public nonpayable
returns(bool)

Arguments

Name	Type	Description
_amount	uint256
_recipient	address

transfer

Sends _value tokens to _to from msg.sender

function transfer(address _to, uint256 _value) public nonpayable
returns(bool)

Returns

Whether the transfer was successful or not

Arguments

Name	Type	Description
_to	address	The address of the recipient
_value	uint256	The amount of token to be transferred

transferFrom

sends _value tokens to _to from _from with the condition it is approved by _from

function transferFrom(address _from, address _to, uint256 _value) public nonpayable
returns(bool)

Returns

Whether the transfer was successful or not

Arguments

Name	Type	Description
_from	address	The address of the sender
_to	address	The address of the recipient
_value	uint256	The amount of token to be transferred

balanceOf

Returns the balance of a token holder

function balanceOf(address _owner) public view
returns(balance uint256)

Returns

The balance

Arguments

Name	Type	Description
_owner	address	The address from which the balance will be retrieved

approve

Used by msg.sender to approve _spender to spend _value tokens

function approve(address _spender, uint256 _value) public nonpayable
returns(bool)

Returns

Whether the approval was successful or not

Arguments

Name	Type	Description
_spender	address	The address of the account able to transfer the tokens
_value	uint256	The amount of tokens to be approved for transfer

allowance

function allowance(address _owner, address _spender) public view
returns(remaining uint256)

Returns

Amount of remaining tokens allowed to be spent

Arguments

Name	Type	Description
_owner	address	The address of the account owning tokens
_spender	address	The address of the account able to transfer the tokens

totalSupply

function totalSupply() public view
returns(uint256)

Arguments

Name

Type

Description

increaseApproval

Increases the amount of tokens that an owner allowed to a spender. approve should be called when allowed[_spender] == 0. To increment allowed value, it is better to use this function to avoid 2 calls (and wait until the first transaction is mined) From MonolithDAO Token.sol

function increaseApproval(address _spender, uint256 _addedValue) public nonpayable
returns(bool)

Arguments

Name	Type	Description
_spender	address	The address which will spend the funds.
_addedValue	uint256	The amount of tokens to increase the allowance by.

decreaseApproval

Decrease the amount of tokens that an owner allowed to a spender.

• approve should be called when allowed[_spender] == 0. To decrement

  allowed value, it is better to use this function to avoid 2 calls (and wait until

  the first transaction is mined)

  From MonolithDAO Token.sol

function decreaseApproval(address _spender, uint256 _subtractedValue) public nonpayable
returns(bool)

Arguments

Name	Type	Description
_spender	address	The address which will spend the funds.
_subtractedValue	uint256	The amount of tokens to decrease the allowance by.