TrueFlip

0xa7f976c360ebbed4465c2855684d1aae5271efa9 Copy

ERC20

This contract is an ERC20 token.

Name TrueFlip

Symbol TFL

Decimals 8

Total Supply 8,924,668 TFL

About

Stats

Public Functions 13

Event Types 5

Code Size 7,760 bytes

Events (5)

Approval Event

Parameters

owner	address
spender	address
value	uint256

Issuance Event

Parameters

to	address
value	uint256

NewOwner Event

Parameters

old	address
current	address

NewPotentialOwner Event

Parameters

old	address
potential	address

Transfer Event

Parameters

from	address
to	address
value	uint256

Constants (5)

name Constant

string

TrueFlip

symbol Constant

string

TFL

decimals Constant

uint8

maxSupply Constant

uint

21000000 * UNKNOWN VALUE

mintedTokens Constant

address

0x6049604960496049604960496049604960496049

State Variables (7)

mintAddress Variable

address

mintingAllowed Variable

bool

totalSupply Variable

uint256

owner Variable

address

potentialOwner Variable

address

balances Variable

mapping(address => uint256)

Internal Variable

allowed Variable

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

Internal Variable

Functions Expand All Collapse All

setOwner

Parameters

Name	Type
_new	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function setOwner(address _new) onlyOwner {
  NewPotentialOwner(owner, _new);
  potentialOwner = _new;
  // owner = _new;
}

confirmOwnership

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyPotentialOwner checks for the following:

potentialOwner must be equal to the sender's address

Source Code

function confirmOwnership() onlyPotentialOwner {
  NewOwner(owner, potentialOwner);
  owner = potentialOwner;
  potentialOwner = 0;
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability constant

Source Code

function totalSupply() constant returns (uint256) {}

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

Source Code

function transfer(address _to, uint256 _value) returns (bool success) {
  if (
    balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]
  ) {
    balances[msg.sender] -= _value;
    balances[_to] += _value;
    Transfer(msg.sender, _to, _value);
    return true;
  } else {
    return false;
  }
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) returns (bool success) {
  if (
    balances[_from] >= _value &&
    allowed[_from][msg.sender] >= _value &&
    balances[_to] + _value > balances[_to]
  ) {
    balances[_to] += _value;
    balances[_from] -= _value;
    allowed[_from][msg.sender] -= _value;
    Transfer(_from, _to, _value);
    return true;
  } else {
    return false;
  }
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function approve(address _spender, uint256 _value) returns (bool success) {
  allowed[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  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 allowed[_owner][_spender];
}

setMintAddress

Parameters

Name	Type
newAddress	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function setMintAddress(address newAddress) public onlyOwner returns (bool) {
  if (mintAddress == 0x0) mintAddress = newAddress;
}

mint

Parameters

Name	Type
beneficiary	address
amount	uint
transfer	bool

Properties

Visibility public

Mutability transaction

Modifiers

onlyMint checks for the following:

mintAddress must be equal to the sender's address

Requirements

mintingAllowed must be equal to true

maxSupply must be greater than or equal to the result of calling add with totalSupply, amount

Source Code

function mint(
  address beneficiary,
  uint256 amount,
  bool transfer
) external onlyMint returns (bool success) {
  require(mintingAllowed == true);
  require(add(totalSupply, amount) <= maxSupply);
  totalSupply = add(totalSupply, amount);
  if (transfer) {
    balances[beneficiary] = add(balances[beneficiary], amount);
  } else {
    balances[mintedTokens] = add(balances[mintedTokens], amount);
    if (beneficiary != 0) {
      allowed[mintedTokens][beneficiary] = amount;
    }
  }
  return true;
}

finalize

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyMint checks for the following:

mintAddress must be equal to the sender's address

Source Code

function finalize() public onlyMint returns (bool success) {
  mintingAllowed = false;
  return true;
}

requestWithdrawal

Parameters

Name	Type
beneficiary	address
amount	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function requestWithdrawal(address beneficiary, uint256 amount)
  public
  onlyOwner
{
  allowed[mintedTokens][beneficiary] = amount;
}

withdrawTokens

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Source Code

function withdrawTokens() public {
  transferFrom(mintedTokens, msg.sender, allowance(mintedTokens, msg.sender));
}

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.

internal SafeMath.mul

Parameters

Name	Type
a	uint
b	uint

Properties

Visibility internal

Mutability transaction

Requirements

One or more of the following: - b must be equal to c / a - OR a must be equal to 0

Source Code

function mul(uint256 a, uint256 b) internal returns (uint256) {
  uint256 c = a * b;
  assert(a == 0 || c / a == b);
  return c;
}

internal SafeMath.div

Parameters

Name	Type
a	uint
b	uint

Properties

Visibility internal

Mutability transaction

Requirements

b must be greater than 0

a must be equal to b * c + UNKNOWN VALUE

Source Code

function div(uint256 a, uint256 b) internal returns (uint256) {
  assert(b > 0);
  uint256 c = a / b;
  assert(a == b * c + (a % b));
  return c;
}

internal SafeMath.sub

Parameters

Name	Type
a	uint
b	uint

Properties

Visibility internal

Mutability transaction

Requirements

b must be less than or equal to a

Source Code

function sub(uint256 a, uint256 b) internal returns (uint256) {
  assert(b <= a);
  return a - b;
}

internal SafeMath.add

Parameters

Name	Type
a	uint
b	uint

Properties

Visibility internal

Mutability transaction

Requirements

c must be greater than or equal to a

Source Code

function add(uint256 a, uint256 b) internal returns (uint256) {
  uint256 c = a + b;
  assert(c >= a);
  return c;
}

TrueFlip

ERC20

About

Stats

Events (5) keyboard_arrow_up

Approval Event

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

Issuance Event

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

NewOwner Event

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

NewPotentialOwner 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.

Constants (5) keyboard_arrow_up

name Constant

symbol Constant

decimals Constant

maxSupply Constant

mintedTokens Constant

State Variables (7) keyboard_arrow_up

mintAddress Variable

mintingAllowed Variable

totalSupply Variable

owner Variable

potentialOwner Variable

balances Variable

allowed Variable

Functions Expand All Collapse All

setOwner 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

confirmOwnership 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.

onlyPotentialOwner 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

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

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

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

setMintAddress 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

mint 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.

onlyMint checks for the following:

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

finalize keyboard_arrow_up

Events (5)

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (5)

State Variables (7)

setOwner

Parameters

Modifiers

confirmOwnership

Parameters

Modifiers

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

transferFrom

Parameters

approve

Parameters

allowance

Parameters

setMintAddress

Parameters

Modifiers

mint

Parameters

Modifiers

Requirements

finalize

Parameters

Modifiers

requestWithdrawal

Parameters

Modifiers

withdrawTokens

Parameters

internal SafeMath.mul

Parameters

Requirements

internal SafeMath.div

Parameters

Requirements

internal SafeMath.sub

Parameters

Requirements

internal SafeMath.add

Parameters

Requirements