Medical Token Currency

0x905e337c6c8645263d3521205aa37bf4d034e745 Copy

ERC20

This contract is an ERC20 token.

Name Medical Token Currency

Symbol MTC

Decimals 18

Total Supply 1,000,000,000 MTC

About

DOC.COM (MTC) is a cryptocurrency and operates on the Ethereum platform. DOC.COM has a current supply of 783,285,021 with 765,839,061.5013193 in circulation. The last known price of DOC.COM is 0.00476628 USD and is up 11.37 over the last 24 hours. It is currently trading on 3 active market(s) with $1,587.48 traded over the last 24 hours. More information can be found at https://doc.com/.

Stats

Public Functions 8

Event Types 4

Code Size 7,498 bytes

Events (4)

Approval Event

Parameters

owner	address
spender	address
value	uint256

OwnershipTransferred Event

Parameters

previousOwner	address
newOwner	address

Transfer Event

Parameters

from	address
to	address
value	uint256

WalletFunded Event

Parameters

wallet	address
amount	uint256

State Variables (8)

name Variable

string

symbol Variable

string

decimals Variable

uint8

wallet Variable

address

totalSupply Variable

uint256

owner Variable

address

allowed Variable

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

Internal Variable

balances Variable

mapping(address => 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));
  OwnershipTransferred(owner, newOwner);
  owner = newOwner;
}

balanceOf

Parameters

Name	Type
_owner	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address _owner) public view returns (uint256 balance) {
  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;
}

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);
  Transfer(_from, _to, _value);
  return true;
}

approve

Parameters

Name	Type
_spender	address
_value	uint256

Properties

Visibility public

Mutability transaction

Requirements

One or more of the following: - allowed for the sender's address for _spender must be equal to 0 - OR _value must be equal to 0

Source Code

function approve(address _spender, uint256 _value) public returns (bool) {
  require(_value == 0 || allowed[msg.sender][_spender] == 0);
  allowed[msg.sender][_spender] = _value;
  Approval(msg.sender, _spender, _value);
  return true;
}

increaseApproval

Parameters

Name	Type
_spender	address
_addedValue	uint256

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	uint256

Properties

Visibility public

Mutability transaction

Source Code

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

internal MTC.fundWallet

Parameters

Name	Type
_wallet	address
_amount	uint256

Properties

Visibility internal

Mutability transaction

Requirements

_wallet must not be equal to UNKNOWN VALUE

_amount must be greater than 0

Source Code

function fundWallet(address _wallet, uint256 _amount) internal {
  /** validaciones */
  require(_wallet != address(0));
  require(_amount > 0);

  balances[_wallet] = balances[_wallet].add(_amount);
  /** notificamos la operación */
  WalletFunded(_wallet, _amount);
  Transfer(address(0), _wallet, _amount);
}

Medical Token Currency

ERC20

About link description

Stats

Events (4) keyboard_arrow_up

Approval 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.

WalletFunded Event

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

State Variables (8) keyboard_arrow_up

name Variable

symbol Variable

decimals Variable

wallet Variable

totalSupply Variable

owner Variable

allowed Variable

balances 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

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

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

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

internal MTC.fundWallet 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

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About

Events (4)

Parameters

Parameters

Parameters

Parameters

State Variables (8)

transferOwnership

Parameters

Modifiers

Requirements

balanceOf

Parameters

transfer

Parameters

Requirements

allowance

Parameters

transferFrom

Parameters

Requirements

approve

Parameters

Requirements

increaseApproval

Parameters

decreaseApproval

Parameters

internal MTC.fundWallet

Parameters

Requirements