Medical Token Currency
ERC20
This contract is an ERC20 token.
Name
Medical Token Currency
Symbol
MTC
Decimals
18
Total Supply
1,000,000,000 MTC
About
link
description
DOC.COM (MTC) is a cryptocurrency token and operates on the Ethereum platform. DOC.COM has a current supply of 783,285,021 with 760,594,390.822 in circulation. The last known price of DOC.COM is $0.003800 USD and is down -0.23% over the last 24 hours. It is currently trading on 8 active market(s) with $17,219.28 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) keyboard_arrow_up
Functions
transferOwnership keyboard_arrow_up
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
Requirements help
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 keyboard_arrow_up
transferFrom keyboard_arrow_up
Requirements help
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 keyboard_arrow_up
Requirements help
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 keyboard_arrow_up
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 keyboard_arrow_up
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;
}