GMB

0xa0008f510fe9ee696e7e320c9e5cbf61e27791ee Copy

ERC20

This contract is an ERC20 token.

Name GMB

Symbol GMB

Decimals 18

Total Supply 5,000,000,000 GMB

About

GAMB (GMB) is a cryptocurrency and operates on the Ethereum platform. GAMB has a current supply of 5,000,000,000 with 4,999,999,990 in circulation. The last known price of GAMB is 0.00186505 USD and is up 0.21 over the last 24 hours. It is currently trading on 2 active market(s) with $4,251.91 traded over the last 24 hours. More information can be found at https://gamb.io/.

Stats

Public Functions 14

Event Types 8

Code Size 13,004 bytes

Library Use

Uses SafeMath for uint256.

Events (8)

Approval Event

Parameters

owner	address
spender	address
value	uint256

Burn Event

Parameters

burner	address
value	uint256

BurnTransferred Event

Parameters

previousBurner	address
newBurner	address

Mint Event

Parameters

to	address
amount	uint256

MintFinished Event

Parameters

OwnershipRenounced Event

Parameters

previousOwner

address

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

from	address
to	address
value	uint256

State Variables (10)

name Variable

string

symbol Variable

string

decimals Variable

uint8

cap Variable

uint256

mintingFinished Variable

bool

owner Variable

address

burnerRole Variable

address

Internal Variable

allowed Variable

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

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

totalSupply_ Variable

uint256

Internal Variable

Functions Expand All Collapse All

renounceOwnership

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Source Code

function renounceOwnership() public onlyOwner {
  emit OwnershipRenounced(owner);
  owner = address(0);
}

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

Requirements

_newOwner must not be equal to UNKNOWN VALUE

Source Code

function transferOwnership(address _newOwner) public onlyOwner {
  _transferOwnership(_newOwner);
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function totalSupply() public view returns (uint256) {
  return totalSupply_;
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address _owner) public view returns (uint256) {
  return balances[_owner];
}

transfer

Parameters

Name	Type
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

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

Source Code

function transfer(address _to, uint256 _value) public returns (bool) {
  require(_to != address(0));
  require(_value <= balances[msg.sender]);

  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  emit Transfer(msg.sender, _to, _value);
  return true;
}

allowance

Parameters

Name	Type
_owner	address
_spender	address

Properties

Visibility public

Mutability view

Source Code

function allowance(address _owner, address _spender)
  public
  view
  returns (uint256)
{
  return allowed[_owner][_spender];
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

_value must be less than or equal to balances for _from

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

Source Code

function transferFrom(
  address _from,
  address _to,
  uint256 _value
) public returns (bool) {
  require(_to != address(0));
  require(_value <= balances[_from]);
  require(_value <= allowed[_from][msg.sender]);

  balances[_from] = balances[_from].sub(_value);
  balances[_to] = balances[_to].add(_value);
  allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
  emit Transfer(_from, _to, _value);
  return true;
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Source Code

function approve(address _spender, uint256 _value) public returns (bool) {
  allowed[msg.sender][_spender] = _value;
  emit Approval(msg.sender, _spender, _value);
  return true;
}

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint

Properties

Visibility public

Mutability transaction

Source Code

function increaseApproval(address _spender, uint256 _addedValue)
  public
  returns (bool)
{
  allowed[msg.sender][_spender] = (
    allowed[msg.sender][_spender].add(_addedValue)
  );
  emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint

Properties

Visibility public

Mutability transaction

Source Code

function decreaseApproval(address _spender, uint256 _subtractedValue)
  public
  returns (bool)
{
  uint256 oldValue = allowed[msg.sender][_spender];
  if (_subtractedValue > oldValue) {
    allowed[msg.sender][_spender] = 0;
  } else {
    allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
  }
  emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

mint

Parameters

Name	Type
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

canMint checks for the following:

mintingFinished must not be true

Requirements

cap must be greater than or equal to UNKNOWN VALUE

Source Code

function mint(address _to, uint256 _amount)
  public
  onlyOwner
  canMint
  returns (bool)
{
  require(totalSupply_.add(_amount) <= cap);

  return super.mint(_to, _amount);
}

finishMinting

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

canMint checks for the following:

mintingFinished must not be true

Source Code

function finishMinting() public onlyOwner canMint returns (bool) {
  mintingFinished = true;
  emit MintFinished();
  return true;
}

transferBurnRole

Parameters

Name	Type
newBurner	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyBurner checks for the following:

burnerRole must be equal to the sender's address

Requirements

newBurner must not be equal to UNKNOWN VALUE

Source Code

function transferBurnRole(address newBurner) public onlyBurner {
  require(newBurner != address(0));
  emit BurnTransferred(burnerRole, newBurner);
  burnerRole = newBurner;
}

burn

Parameters

Name	Type
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyBurner checks for the following:

burnerRole must be equal to the sender's address

Requirements

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

Source Code

function burn(uint256 _value) public onlyBurner {
  require(_value <= balances[msg.sender]);
  balances[msg.sender] = balances[msg.sender].sub(_value);
  totalSupply_ = totalSupply_.sub(_value);
  emit Burn(msg.sender, _value);
  emit Transfer(msg.sender, address(0), _value);
}

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 Ownable._transferOwnership

Parameters

Name	Type
_newOwner	address

Properties

Visibility internal

Mutability transaction

Requirements

_newOwner must not be equal to UNKNOWN VALUE

Source Code

function _transferOwnership(address _newOwner) internal {
  require(_newOwner != address(0));
  emit OwnershipTransferred(owner, _newOwner);
  owner = _newOwner;
}

GMB

ERC20

About link description

Stats

Library Use

Events (8) keyboard_arrow_up

Approval Event

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

Burn Event

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

BurnTransferred 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.

MintFinished Event

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

OwnershipRenounced Event

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

OwnershipTransferred 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 (10) keyboard_arrow_up

name Variable

symbol Variable

decimals Variable

cap Variable

mintingFinished Variable

owner Variable

burnerRole Variable

allowed Variable

balances Variable

totalSupply_ Variable

Functions Expand All Collapse All

renounceOwnership 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

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:

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

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

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

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

Source Code

increaseApproval 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

decreaseApproval keyboard_arrow_up

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

Properties

About

Events (8)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

State Variables (10)

renounceOwnership

Parameters

Modifiers

transferOwnership

Parameters

Modifiers

Requirements

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

Requirements

allowance

Parameters

transferFrom

Parameters

Requirements

approve

Parameters

increaseApproval

Parameters

decreaseApproval

Parameters

mint

Parameters

Modifiers

Requirements

finishMinting

Parameters

Modifiers

transferBurnRole

Parameters

Modifiers

Requirements

burn

Parameters

Modifiers

Requirements

internal Ownable._transferOwnership

Parameters

Requirements