Cofoundit

0x12fef5e57bf45873cd9b62e9dbd7bfb99e32d73e Copy

ERC20

This contract is an ERC20 token.

Name Cofoundit

Symbol CFI

Decimals 18

Total Supply 500,000,000 CFI

About

Stats

Public Functions 13

Event Types 4

Code Size 9,181 bytes

Events (4)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

Mint Event

Parameters

_to	address
_value	uint256

TokenFrozen Event

Parameters

_frozenUntilBlock	uint256
_reason	string

Transfer Event

Parameters

_from	address
_to	address
_value	uint256

State Variables (11)

standard Variable

string

name Variable

string

symbol Variable

string

decimals Variable

uint8

icoContractAddress Variable

address

tokenFrozenUntilBlock Variable

uint256

owner Variable

address

supply Variable

uint256

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

allowances Variable

mapping(address => mapping(address => uint256))

Internal Variable

restrictedAddresses Variable

mapping(address => bool)

Internal Variable

Functions Expand All Collapse All

transferOwnership

Parameters

Name	Type
newOwner	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function transferOwnership(address newOwner) onlyOwner {
  owner = newOwner;
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function totalSupply() constant returns (uint256 totalSupply) {
  return supply;
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability constant

Source Code

function balanceOf(address _owner) constant returns (uint256 balance) {
  return balances[_owner];
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

tokenFrozenUntilBlock must be less than or equal to block.number

_value must be less than or equal to balances for the sender's address

balances for _to + _value must be greater than or equal to balances for _to

Source Code

function transfer(address _to, uint256 _value) returns (bool success) {
  if (block.number < tokenFrozenUntilBlock) throw; // Throw is token is frozen in case of emergency
  if (restrictedAddresses[_to]) throw; // Prevent transfer to restricted addresses
  if (balances[msg.sender] < _value) throw; // Check if the sender has enough
  if (balances[_to] + _value < balances[_to]) throw; // Check for overflows
  balances[msg.sender] -= _value; // Subtract from the sender
  balances[_to] += _value; // Add the same to the recipient
  Transfer(msg.sender, _to, _value); // Notify anyone listening that this transfer took place
  return true;
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

tokenFrozenUntilBlock must be less than or equal to block.number

_value must be less than or equal to balances for _from

balances for _to + _value must be greater than or equal to balances for _to

_value must be less than or equal to allowances for _from for the sender's address

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) returns (bool success) {
  if (block.number < tokenFrozenUntilBlock) throw; // Throw is token is frozen in case of emergency
  if (restrictedAddresses[_to]) throw; // Prevent transfer to restricted addresses
  if (balances[_from] < _value) throw; // Check if the sender has enough
  if (balances[_to] + _value < balances[_to]) throw; // Check for overflows
  if (_value > allowances[_from][msg.sender]) throw; // Check allowance
  balances[_from] -= _value; // Subtract from the sender
  balances[_to] += _value; // Add the same to the recipient
  allowances[_from][msg.sender] -= _value; // Deduct allowance for this address
  Transfer(_from, _to, _value); // Notify anyone listening that this transfer took place
  return true;
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

tokenFrozenUntilBlock must be less than or equal to block.number

Source Code

function approve(address _spender, uint256 _value) returns (bool success) {
  if (block.number < tokenFrozenUntilBlock) throw; // Throw is token is frozen in case of emergency
  allowances[msg.sender][_spender] = _value; // Set allowance
  Approval(msg.sender, _spender, _value); // Raise Approval event
  return true;
}

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability constant

Source Code

function allowance(address _owner, address _spender)
  constant
  returns (uint256 remaining)
{
  return allowances[_owner][_spender];
}

approveAndCall

Parameters

Name	Type
_spender	address
_value	uint256
_extraData	bytes

Properties

Visibility public

Mutability transaction

Requirements

tokenFrozenUntilBlock must be less than or equal to block.number

Source Code

function approveAndCall(
  address _spender,
  uint256 _value,
  bytes _extraData
) returns (bool success) {
  tokenRecipient spender = tokenRecipient(_spender); // Cast spender to tokenRecipient contract
  approve(_spender, _value); // Set approval to contract for _value
  spender.receiveApproval(msg.sender, _value, this, _extraData); // Raise method on _spender contract
  return true;
}

mintTokens

Parameters

Name	Type
_to	address
_amount	uint256
_reason	string

Properties

Visibility public

Mutability transaction

Requirements

icoContractAddress must be equal to the sender's address

the result of calling sha3 with _reason must not be equal to the result of calling sha3 with ""

_amount must not be equal to 0

balances for _to + _amount must be greater than or equal to balances for _to

Source Code

function mintTokens(
  address _to,
  uint256 _amount,
  string _reason
) {
  if (msg.sender != icoContractAddress) throw; // Check if minter is ico Contract address
  if (restrictedAddresses[_to]) throw; // Prevent transfer to restricted addresses
  if (_amount == 0 || sha3(_reason) == sha3("")) throw; // Check if values are not null;
  if (balances[_to] + _amount < balances[_to]) throw; // Check for overflows
  supply += _amount; // Update total supply
  balances[_to] += _amount; // Set minted coins to target
  Mint(_to, _amount); // Create Mint event
  Transfer(0x0, _to, _amount); // Create Transfer event from 0x
}

freezeTransfersUntil

Parameters

Name	Type
_frozenUntilBlock	uint256
_reason	string

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function freezeTransfersUntil(uint256 _frozenUntilBlock, string _reason)
  onlyOwner
{
  tokenFrozenUntilBlock = _frozenUntilBlock;
  TokenFrozen(_frozenUntilBlock, _reason);
}

editRestrictedAddress

Parameters

Name	Type
_newRestrictedAddress	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function editRestrictedAddress(address _newRestrictedAddress) onlyOwner {
  restrictedAddresses[_newRestrictedAddress] = !restrictedAddresses[
    _newRestrictedAddress
  ];
}

isRestrictedAddress

Parameters

Name	Type
_querryAddress	address

Properties

Visibility public

Mutability constant

Source Code

function isRestrictedAddress(address _querryAddress)
  constant
  returns (bool answer)
{
  return restrictedAddresses[_querryAddress];
}

constructor

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Source Code

function() {
  throw; // Prevents accidental sending of ether
}

Internal Functions Expand All Collapse All

Internal functions are parts of the contract that can't be used directly, but instead are used by the public functions listed above.

Cofoundit

ERC20

About

Stats

Events (4) keyboard_arrow_up

Approval Event

Parameters help Event parameters list the data that an event contains.

Mint Event

Parameters help Event parameters list the data that an event contains.

TokenFrozen Event

Parameters help Event parameters list the data that an event contains.

Transfer Event

Parameters help Event parameters list the data that an event contains.

State Variables (11) keyboard_arrow_up

standard Variable

name Variable

symbol Variable

decimals Variable

icoContractAddress Variable

tokenFrozenUntilBlock Variable

owner Variable

supply Variable

balances Variable

allowances Variable

restrictedAddresses Variable

Functions Expand All Collapse All

transferOwnership keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Source Code

totalSupply keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

balanceOf keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

transfer keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

transferFrom keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

approve keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

allowance keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Source Code

approveAndCall keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

mintTokens keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Requirements help Requirements are checks that the function makes when it runs, and give you insight on what conditions are required for the function to succeed.

Source Code

freezeTransfersUntil keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Source Code

editRestrictedAddress keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

Properties

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

onlyOwner checks for the following:

Events (4)

Parameters

Parameters

Parameters

Parameters

State Variables (11)

transferOwnership

Parameters

Modifiers

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

Requirements

transferFrom

Parameters

Requirements

approve

Parameters

Requirements

allowance

Parameters

approveAndCall

Parameters

Requirements

mintTokens

Parameters

Requirements

freezeTransfersUntil

Parameters

Modifiers

editRestrictedAddress

Parameters

Modifiers

isRestrictedAddress

Parameters

constructor

Parameters