Telcoin

0x85e076361cc813a908ff672f9bad1541474402b2 Copy

ERC20

This contract is an ERC20 token.

Name Telcoin

Symbol TEL

Decimals 2

Total Supply 100,000,000,000 TEL

About

Identical Contracts

The following contracts have identical source code.

Telcoin (TEL) - 0x467bccd9d29f223bce8043b84e8c8b282827790f

Stats

Public Functions 7

Event Types 2

Code Size 4,673 bytes

Library Use

Uses SafeMath for uint256.

Events (2)

Approval Event

Parameters

_owner	address
_spender	address
_value	uint

Transfer Event

Parameters

_from	address
_to	address
_value	uint

Constants (4)

name Constant

string

Telcoin

symbol Constant

string

TEL

decimals Constant

uint8

totalSupply Constant

uint256

100000000000 * UNKNOWN VALUE

State Variables (2)

balances Variable

mapping(address => uint256)

Internal Variable

allowed Variable

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

Internal Variable

Functions Expand All Collapse All

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]);

  // SafeMath.sub will throw if there is not enough balance.
  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  Transfer(msg.sender, _to, _value);
  return true;
}

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);
  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;
  Approval(msg.sender, _spender, _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];
}

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
  );
  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);
  }
  Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

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.

Telcoin

ERC20

About

Identical Contracts

Stats

Library Use

Events (2) keyboard_arrow_up

Approval 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 (4) keyboard_arrow_up

name Constant

symbol Constant

decimals Constant

totalSupply Constant

State Variables (2) keyboard_arrow_up

balances Variable

allowed Variable

Functions Expand All Collapse All

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

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

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

Source Code

Internal Functions Expand All Collapse All

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Events (2)

Parameters

Parameters

Constants (4)

State Variables (2)

balanceOf

Parameters

transfer

Parameters

Requirements

transferFrom

Parameters

Requirements

approve

Parameters

allowance

Parameters

increaseApproval

Parameters

decreaseApproval

Parameters