CosmoCoin

0xd1e10c37a27d95d95720291b1dc6f12f74c71443 Copy

ERC20

This contract is an ERC20 token.

Name CosmoCoin

Symbol COSM

Decimals 18

Total Supply 1,098,000,000 COSM

About

Cosmo Coin (COSM) is a cryptocurrency and operates on the Ethereum platform. Cosmo Coin has a current supply of 923,000,000 with 670,780,888.57439 in circulation. The last known price of Cosmo Coin is 0.00058532 USD and is down -33.75 over the last 24 hours. It is currently trading on 3 active market(s) with $4,181.69 traded over the last 24 hours. More information can be found at https://cosmochain.io/.

Stats

Public Functions 20

Event Types 11

Code Size 8,757 bytes

Events (11)

AddBlackListAddress Event

Parameters

_address

address

AddWhiteListAddress Event

Parameters

_address

address

Approval Event

Parameters

owner	address
spender	address
value	uint256

Burn Event

Parameters

from	address
at	address
value	uint256

Mint Event

Parameters

to	address
value	uint256

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Pause Event

Parameters

RemoveBlackListAddress Event

Parameters

_address

address

RemoveWhiteListAddress Event

Parameters

_address

address

Transfer Event

Parameters

from	address
to	address
value	uint256

Unpause Event

Parameters

State Variables (11)

owner Variable

address

newOwner Variable

address

paused Variable

bool

whitelist Variable

mapping(address => bool)

blacklist Variable

mapping(address => bool)

balances Variable

mapping(address => uint256)

Internal Variable

allowed Variable

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

Internal Variable

_name Variable

string

Internal Variable

_symbol Variable

string

Internal Variable

_decimals Variable

uint8

Internal Variable

totalTokenSupply Variable

uint256

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

Requirements

_newOwner must not be equal to UNKNOWN VALUE

Source Code

function transferOwnership(address _newOwner) public onlyOwner {
  require(_newOwner != address(0));
  newOwner = _newOwner;
}

acceptOwnership

Parameters

This function has no parameters.

Properties

Visibility public

Mutability transaction

Modifiers

onlyNewOwner checks for the following:

newOwner must be equal to the sender's address

Source Code

function acceptOwnership() public onlyNewOwner returns (bool) {
  emit OwnershipTransferred(owner, newOwner);
  owner = newOwner;
  newOwner = address(0);
}

AddBlacklist

Parameters

Name	Type
account	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

account must not be equal to UNKNOWN VALUE

blacklist for account must be equal to false

account must not be equal to UNKNOWN VALUE

account must not be equal to owner

Source Code

function AddBlacklist(address account) public onlyOwner returns (bool) {
  require(account != address(0));
  require(blacklist[account] == false);
  require(account != address(this));
  require(account != owner);

  blacklist[account] = true;
  emit AddBlackListAddress(account);
  return true;
}

RemoveBlacklist

Parameters

Name	Type
account	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

account must not be equal to UNKNOWN VALUE

blacklist for account must be equal to true

Source Code

function RemoveBlacklist(address account) public onlyOwner returns (bool) {
  require(account != address(0));
  require(blacklist[account] == true);
  blacklist[account] = false;
  emit RemoveBlackListAddress(account);
  return true;
}

AddWhitelist

Parameters

Name	Type
account	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

account must not be equal to UNKNOWN VALUE

whitelist for account must be equal to false

account must not be equal to UNKNOWN VALUE

Source Code

function AddWhitelist(address account) public onlyOwner returns (bool) {
  require(account != address(0));
  require(whitelist[account] == false);
  require(account != address(this));
  whitelist[account] = true;
  emit AddWhiteListAddress(account);
  return true;
}

RemoveWhiltelist

Parameters

Name	Type
account	address

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

account must not be equal to UNKNOWN VALUE

whitelist for account must be equal to true

account must not be equal to owner

Source Code

function RemoveWhiltelist(address account) public onlyOwner returns (bool) {
  require(account != address(0));
  require(whitelist[account] == true);
  require(account != owner);
  whitelist[account] = false;
  emit RemoveWhiteListAddress(account);
  return true;
}

pause

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

whenNotPaused checks for the following:

One or more of the following: -paused must not be true - OR whitelist for the sender's address must be equal to true

Source Code

function pause() public onlyOwner whenNotPaused {
  paused = true;
  emit Pause();
}

unpause

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

whenPaused checks for the following:

paused must be true

Source Code

function unpause() public onlyOwner whenPaused {
  paused = false;
  emit Unpause();
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

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

balanceOf

Parameters

Name	Type
_who	address

Properties

Visibility public

Mutability view

Source Code

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

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];
}

transfer

Parameters

Name	Type
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

whenNotPaused checks for the following:

One or more of the following: -paused must not be true - OR whitelist for the sender's address must be equal to true

Requirements

_to must not be equal to UNKNOWN VALUE

_amount must be greater than 0

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

blacklist for the sender's address must be equal to false

blacklist for _to must be equal to false

Source Code

function transfer(address _to, uint256 _amount)
  public
  whenNotPaused
  returns (bool)
{
  require(_to != address(0));
  require(_to != address(this));
  require(_amount > 0);
  require(_amount <= balances[msg.sender]);
  require(blacklist[msg.sender] == false);
  require(blacklist[_to] == false);

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

transferFrom

Parameters

Name	Type
_from	address
_to	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

whenNotPaused checks for the following:

One or more of the following: -paused must not be true - OR whitelist for the sender's address must be equal to true

Requirements

_to must not be equal to UNKNOWN VALUE

_amount must be less than or equal to balances for _from

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

blacklist for _from must be equal to false

blacklist for _to must be equal to false

blacklist for the sender's address must be equal to false

Source Code

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

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

approve

Parameters

Name	Type
_spender	address
_amount	uint256

Properties

Visibility public

Mutability transaction

Requirements

One or more of the following:

Source Code

function approve(address _spender, uint256 _amount) public returns (bool) {
  // reduce spender's allowance to 0 then set desired value after to avoid race condition
  require((_amount == 0) || (allowed[msg.sender][_spender] == 0));
  allowed[msg.sender][_spender] = _amount;
  emit Approval(msg.sender, _spender, _amount);
  return true;
}

name

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function name() public view returns (string memory) {
  return _name;
}

symbol

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function symbol() public view returns (string memory) {
  return _symbol;
}

decimals

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

function decimals() public view returns (uint8) {
  return _decimals;
}

constructor

Parameters

This function has no parameters.

Properties

Visibility public

Mutability payable

Source Code

function() external payable {
  revert();
}

burn

Parameters

Name	Type
_address	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

whenNotPaused checks for the following:

One or more of the following: -paused must not be true - OR whitelist for the sender's address must be equal to true

Requirements

_value must be less than or equal to balances for _address

One or more of the following:

Source Code

function burn(address _address, uint256 _value) external whenNotPaused {
  require(_value <= balances[_address]);
  require(
    (whitelist[msg.sender] == true && _address == msg.sender) ||
      (msg.sender == owner)
  );
  balances[_address] = balances[_address].sub(_value);
  totalTokenSupply = totalTokenSupply.sub(_value);
  emit Burn(msg.sender, _address, _value);
  emit Transfer(_address, address(0), _value);
}

mintTokens

Parameters

Name	Type
_beneficiary	address
_value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

onlyOwner checks for the following:

owner must be equal to the sender's address

Requirements

_beneficiary must not be equal to UNKNOWN VALUE

blacklist for _beneficiary must be equal to false

_value must be greater than 0

Source Code

function mintTokens(address _beneficiary, uint256 _value) external onlyOwner {
  require(_beneficiary != address(0));
  require(blacklist[_beneficiary] == false);
  require(_value > 0);
  balances[_beneficiary] = balances[_beneficiary].add(_value);
  totalTokenSupply = totalTokenSupply.add(_value);
  emit Mint(_beneficiary, _value);
  emit Transfer(address(0), _beneficiary, _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.

CosmoCoin

ERC20

About link

Stats

Events (11) keyboard_arrow_up

AddBlackListAddress Event

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

AddWhiteListAddress Event

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

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.

Mint 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.

Pause Event

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

RemoveBlackListAddress Event

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

RemoveWhiteListAddress 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.

Unpause Event

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

State Variables (11) keyboard_arrow_up

owner Variable

newOwner Variable

paused Variable

whitelist Variable

blacklist Variable

balances Variable

allowed Variable

_name Variable

_symbol Variable

_decimals Variable

totalTokenSupply 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:

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

acceptOwnership 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.

onlyNewOwner checks for the following:

Source Code

AddBlacklist 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

RemoveBlacklist 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

AddWhitelist 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

RemoveWhiltelist 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.

About

Events (11)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

State Variables (11)

transferOwnership

Parameters

Modifiers

Requirements

acceptOwnership

Parameters

Modifiers

AddBlacklist

Parameters

Modifiers

Requirements

RemoveBlacklist

Parameters

Modifiers

Requirements

AddWhitelist

Parameters

Modifiers

Requirements

RemoveWhiltelist

Parameters

Modifiers

Requirements

pause

Parameters

Modifiers

unpause

Parameters

Modifiers

totalSupply

Parameters

balanceOf

Parameters

allowance

Parameters

transfer

Parameters

Modifiers

Requirements

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Requirements

name

Parameters

symbol

Parameters

decimals

Parameters

constructor

Parameters

burn

Parameters

Modifiers

Requirements