ATCCOIN

0xddaaf4a0702a03a4505f2352a1aba001ffc344be Copy

ERC20

This contract is an ERC20 token.

Name ATCCOIN

Symbol ATCC

Decimals 18

Total Supply 410,000,000 ATCC

About

ATC Coin (ATCC) is a cryptocurrency launched in 2018and operates on the Ethereum platform. ATC Coin has a current supply of 410,000,000 with 408,553,792.28571516 in circulation. The last known price of ATC Coin is 0.00063945 USD and is down -49.10 over the last 24 hours. It is currently trading on 1 active market(s) with $289.85 traded over the last 24 hours. More information can be found at http://www.atccoin.com/.

Stats

Public Functions 9

Event Types 5

Code Size 10,238 bytes

Library Use

Uses SafeMath for uint.

Events (5)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint256

Issue Event

Parameters

amount

uint

Params Event

Parameters

feeBasisPoints	uint
maximumFee	uint
minimumFee	uint

Redeem Event

Parameters

amount

uint

Transfer Event

Parameters

from	address
to	address
value	uint256

State Variables (10)

name Variable

string

symbol Variable

string

decimals Variable

uint8

basisPointsRate Variable

uint

minimumFee Variable

uint

maximumFee Variable

uint

owner Variable

address

_totalSupply Variable

uint

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

allowed Variable

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

Internal Variable

Functions Expand All Collapse All

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

Modifiers

onlyPayloadSize checks for the following:

the number of values in undefined must be greater than or equal to 2 * 32 + 4

Requirements

_to must not be equal to 0x0

_to must not be equal to UNKNOWN VALUE

_value must be greater than 0

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

UNKNOWN VALUE must be greater than balances for _to

Source Code

function transfer(address _to, uint256 _value) public onlyPayloadSize(2 * 32) {
  //Calculate Fees from basis point rate
  uint256 fee = (_value.mul(basisPointsRate)).div(1000);
  if (fee > maximumFee) {
    fee = maximumFee;
  }
  if (fee < minimumFee) {
    fee = minimumFee;
  }
  // Prevent transfer to 0x0 address.
  require(_to != 0x0);
  //check receiver is not owner
  require(_to != address(0));
  //Check transfer value is > 0;
  require(_value > 0);
  // Check if the sender has enough
  require(balances[msg.sender] > _value);
  // Check for overflows
  require(balances[_to].add(_value) > balances[_to]);
  //sendAmount to receiver after deducted fee
  uint256 sendAmount = _value.sub(fee);
  // Subtract from the sender
  balances[msg.sender] = balances[msg.sender].sub(_value);
  // Add the same to the recipient
  balances[_to] = balances[_to].add(sendAmount);
  //Add fee to owner Account
  if (fee > 0) {
    balances[owner] = balances[owner].add(fee);
    emit Transfer(msg.sender, owner, fee);
  }
  // Notify anyone listening that this transfer took place
  emit Transfer(msg.sender, _to, _value);
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyPayloadSize checks for the following:

the number of values in undefined must be greater than or equal to 2 * 32 + 4

Requirements

_value must be greater than 0

_value must be less than balances for owner

_spender must not be equal to the sender's address

Source Code

function approve(address _spender, uint256 _value)
  public
  onlyPayloadSize(2 * 32)
  returns (bool success)
{
  //Check approve value is > 0;
  require(_value > 0);
  //Check balance of owner is greater than
  require(balances[owner] > _value);
  //check _spender is not itself
  require(_spender != msg.sender);
  //Allowed token to _spender
  allowed[msg.sender][_spender] = _value;
  //Notify anyone listening that this Approval took place
  emit Approval(msg.sender, _spender, _value);
  return true;
}

transferFrom

Parameters

Name	Type
_from	address
_to	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyPayloadSize checks for the following:

the number of values in undefined must be greater than or equal to 2 * 32 + 4

Requirements

_to must not be equal to 0x0

_to must not be equal to UNKNOWN VALUE

_value must be greater than 0

_value must be less than balances for _from

UNKNOWN VALUE must be greater than balances for _to

_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 onlyPayloadSize(2 * 32) returns (bool success) {
  //Calculate Fees from basis point rate
  uint256 fee = (_value.mul(basisPointsRate)).div(1000);
  if (fee > maximumFee) {
    fee = maximumFee;
  }
  if (fee < minimumFee) {
    fee = minimumFee;
  }
  // Prevent transfer to 0x0 address. Use burn() instead
  require(_to != 0x0);
  //check receiver is not owner
  require(_to != address(0));
  //Check transfer value is > 0;
  require(_value > 0);
  // Check if the sender has enough
  require(_value < balances[_from]);
  // Check for overflows
  require(balances[_to].add(_value) > balances[_to]);
  // Check allowance
  require(_value <= allowed[_from][msg.sender]);
  uint256 sendAmount = _value.sub(fee);
  balances[_from] = balances[_from].sub(_value); // Subtract from the sender
  balances[_to] = balances[_to].add(sendAmount); // Add the same to the recipient
  allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
  if (fee > 0) {
    balances[owner] = balances[owner].add(fee);
    emit Transfer(_from, owner, fee);
  }
  emit Transfer(_from, _to, sendAmount);
  return true;
}

allowance

Parameters

Name	Type
_from	address
_spender	address

Properties

Visibility public

Mutability view

Source Code

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

setParams

Parameters

Name	Type
newBasisPoints	uint
newMaxFee	uint
newMinFee	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

newBasisPoints must be less than or equal to 9

newMaxFee must be less than or equal to 100

newMinFee must be less than or equal to 5

Source Code

function setParams(
  uint256 newBasisPoints,
  uint256 newMaxFee,
  uint256 newMinFee
) public onlyOwner {
  // Ensure transparency by hardcoding limit beyond which fees can never be added
  require(newBasisPoints <= 9);
  require(newMaxFee <= 100);
  require(newMinFee <= 5);
  basisPointsRate = newBasisPoints;
  maximumFee = newMaxFee.mul(10**uint256(decimals));
  minimumFee = newMinFee.mul(10**uint256(decimals));
  emit Params(basisPointsRate, maximumFee, minimumFee);
}

increaseSupply

Parameters

Name	Type
amount	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

amount must be less than or equal to 10000000

_totalSupply must be less than UNKNOWN VALUE

UNKNOWN VALUE must be greater than balances for owner

Source Code

function increaseSupply(uint256 amount) public onlyOwner {
  require(amount <= 10000000);
  amount = amount.mul(10**uint256(decimals));
  require(_totalSupply.add(amount) > _totalSupply);
  require(balances[owner].add(amount) > balances[owner]);
  balances[owner] = balances[owner].add(amount);
  _totalSupply = _totalSupply.add(amount);
  emit Issue(amount);
}

decreaseSupply

Parameters

Name	Type
amount	uint

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

amount must be less than or equal to 10000000

_totalSupply must be greater than or equal to amount

amount must be less than or equal to balances for owner

Source Code

function decreaseSupply(uint256 amount) public onlyOwner {
  require(amount <= 10000000);
  amount = amount.mul(10**uint256(decimals));
  require(_totalSupply >= amount);
  require(balances[owner] >= amount);
  _totalSupply = _totalSupply.sub(amount);
  balances[owner] = balances[owner].sub(amount);
  emit Redeem(amount);
}

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.

ATCCOIN

ERC20

About link

Stats

Library Use

Events (5) keyboard_arrow_up

Approval Event

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

Issue Event

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

Params Event

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

Redeem 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

basisPointsRate Variable

minimumFee Variable

maximumFee Variable

owner Variable

_totalSupply Variable

balances Variable

allowed Variable

Functions Expand All Collapse All

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

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

onlyPayloadSize 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

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

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

onlyPayloadSize 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

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

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

onlyPayloadSize 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

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

setParams 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

increaseSupply 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

decreaseSupply 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:

About

Events (5)

Parameters

Parameters

Parameters

Parameters

Parameters

State Variables (10)

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

Modifiers

Requirements

approve

Parameters

Modifiers

Requirements

transferFrom

Parameters

Modifiers

Requirements

allowance

Parameters

setParams

Parameters

Modifiers

Requirements

increaseSupply

Parameters

Modifiers

Requirements

decreaseSupply

Parameters

Modifiers

Requirements