MXCToken

0x5ca381bbfb58f0092df149bd3d243b08b9a8386e Copy

ERC20

This contract is an ERC20 token.

Name MXCToken

Symbol MXC

Decimals 18

Total Supply 2,664,965,800 MXC

About

MXC (MXC) is a cryptocurrency and operates on the Ethereum platform. MXC has a current supply of 2,642,132,373 with 2,602,788,083.3783226 in circulation. The last known price of MXC is 0.02493048 USD and is down -6.21 over the last 24 hours. It is currently trading on 20 active market(s) with $15,014,142.12 traded over the last 24 hours. More information can be found at https://www.mxc.org/.

Stats

Public Functions 13

Event Types 5

Code Size 15,695 bytes

Events (5)

Approval Event

Parameters

owner	address
spender	address
value	uint256

GrantedTokenReturned Event

Parameters

_from	address
_to	address
_amount	uint256

NewTokenGrant Event

Parameters

_from	address
_to	address
_amount	uint256
_start	uint256
_cliff	uint256
_vesting	uint256

Transfer Event

Parameters

from	address
to	address
value	uint256

VestedTokenRedeemed Event

Parameters

_to	address
_amount	uint256
_vestedMonths	uint256

Structs (1)

TimeLock Struct

Members

amount	uint256
vestedAmount	uint256
vestedMonths	uint16
start	uint256
cliff	uint256
vesting	uint256
from	address

Constants (4)

name Constant

string

MXCToken

symbol Constant

string

MXC

decimals Constant

uint8

MONTH Constant

uint256

3600 * 24 * 30

State Variables (4)

timeLocks Variable

mapping(address => TimeLock)

Internal Variable

allowed Variable

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

Internal Variable

balances Variable

mapping(address => uint256)

Internal Variable

totalSupply_ Variable

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

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]);

  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  emit 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);
  emit 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;
  emit 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)
  );
  emit 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)
{
  uint256 oldValue = allowed[msg.sender][_spender];
  if (_subtractedValue > oldValue) {
    allowed[msg.sender][_spender] = 0;
  } else {
    allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
  }
  emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
  return true;
}

vestBalanceOf

Parameters

Name	Type
who	address

Properties

Visibility public

Mutability view

Requirements

who must not be equal to UNKNOWN VALUE

Source Code

function vestBalanceOf(address who)
  public
  view
  returns (
    uint256 amount,
    uint256 vestedAmount,
    uint256 start,
    uint256 cliff,
    uint256 vesting
  )
{
  require(who != address(0));
  amount = timeLocks[who].amount;
  vestedAmount = timeLocks[who].vestedAmount;
  start = timeLocks[who].start;
  cliff = timeLocks[who].cliff;
  vesting = timeLocks[who].vesting;
}

grantToken

Parameters

Name	Type
_to	address
_amount	uint256
_start	uint256
_cliff	uint256
_vesting	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

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

_amount must be greater than 0

_cliff must be greater than or equal to _start

_vesting must be greater than _start

_vesting must be greater than _cliff

Source Code

function grantToken(
  address _to,
  uint256 _amount,
  uint256 _start,
  uint256 _cliff,
  uint256 _vesting
) public returns (bool success) {
  require(_to != address(0));
  require(
    _amount <= balances[msg.sender],
    "Not enough balance to grant token."
  );
  require(_amount > 0, "Nothing to transfer.");
  require(
    (timeLocks[_to].amount.sub(timeLocks[_to].vestedAmount) == 0),
    "The previous vesting should be completed."
  );
  require(_cliff >= _start, "_cliff must be >= _start");
  require(_vesting > _start, "_vesting must be bigger than _start");
  require(_vesting > _cliff, "_vesting must be bigger than _cliff");

  balances[msg.sender] = balances[msg.sender].sub(_amount);
  timeLocks[_to] = TimeLock(
    _amount,
    0,
    0,
    _start,
    _cliff,
    _vesting,
    msg.sender
  );

  emit NewTokenGrant(msg.sender, _to, _amount, _start, _cliff, _vesting);
  return true;
}

grantTokenStartNow

Parameters

Name	Type
_to	address
_amount	uint256
_cliffMonths	uint256
_vestingMonths	uint256

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

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

_amount must be greater than 0

now must be less than or equal to UNKNOWN VALUE

now must be less than UNKNOWN VALUE

UNKNOWN VALUE must be greater than UNKNOWN VALUE

Source Code

function grantTokenStartNow(
  address _to,
  uint256 _amount,
  uint256 _cliffMonths,
  uint256 _vestingMonths
) public returns (bool success) {
  return
    grantToken(
      _to,
      _amount,
      now,
      now.add(_cliffMonths.mul(MONTH)),
      now.add(_vestingMonths.mul(MONTH))
    );
}

redeemVestableToken

Parameters

Name	Type
_to	address

Properties

Visibility public

Mutability transaction

Requirements

_to must not be equal to UNKNOWN VALUE

undefined.amount must be greater than 0

undefined.vestedAmount must be less than undefined.amount

amount must be greater than 0

Source Code

function redeemVestableToken(address _to) public returns (bool success) {
  require(_to != address(0));
  require(timeLocks[_to].amount > 0, "Nothing was granted to this address!");
  require(
    timeLocks[_to].vestedAmount < timeLocks[_to].amount,
    "All tokens were vested!"
  );

  (uint256 amount, uint256 vestedMonths, uint256 curTime) = calcVestableToken(
    _to
  );
  require(amount > 0, "Nothing to redeem now.");

  TimeLock storage t = timeLocks[_to];
  balances[_to] = balances[_to].add(amount);
  t.vestedAmount = t.vestedAmount.add(amount);
  t.vestedMonths = t.vestedMonths + uint16(vestedMonths);
  t.cliff = curTime;

  emit VestedTokenRedeemed(_to, amount, vestedMonths);
  return true;
}

returnGrantedToken

Parameters

Name	Type
_amount	uint256

Properties

Visibility public

Mutability transaction

Requirements

to must not be equal to UNKNOWN VALUE

_amount must be greater than 0

undefined.amount must be greater than 0

_amount must be less than or equal to UNKNOWN VALUE

Source Code

function returnGrantedToken(uint256 _amount) public returns (bool success) {
  address to = timeLocks[msg.sender].from;
  require(to != address(0));
  require(_amount > 0, "Nothing to transfer.");
  require(timeLocks[msg.sender].amount > 0, "Nothing to return.");
  require(
    _amount <=
      timeLocks[msg.sender].amount.sub(timeLocks[msg.sender].vestedAmount),
    "Not enough granted token to return."
  );

  timeLocks[msg.sender].amount = timeLocks[msg.sender].amount.sub(_amount);
  balances[to] = balances[to].add(_amount);

  emit GrantedTokenReturned(msg.sender, to, _amount);
  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 MXCToken.calcVestableToken

Parameters

Name	Type
_to	address

Properties

Visibility internal

Mutability view

Requirements

undefined.amount must be greater than 0

Source Code

function calcVestableToken(address _to)
  internal
  view
  returns (
    uint256 amount,
    uint256 vestedMonths,
    uint256 curTime
  )
{
  uint256 vestTotalMonths;
  uint256 vestedAmount;
  uint256 vestPart;
  amount = 0;
  vestedMonths = 0;
  curTime = now;

  require(timeLocks[_to].amount > 0, "Nothing was granted to this address.");

  if (curTime <= timeLocks[_to].cliff) {
    return (0, 0, curTime);
  }

  vestedMonths = curTime.sub(timeLocks[_to].start) / MONTH;
  vestedMonths = vestedMonths.sub(timeLocks[_to].vestedMonths);

  if (curTime >= timeLocks[_to].vesting) {
    return (
      timeLocks[_to].amount.sub(timeLocks[_to].vestedAmount),
      vestedMonths,
      curTime
    );
  }

  if (vestedMonths > 0) {
    vestTotalMonths = timeLocks[_to].vesting.sub(timeLocks[_to].start) / MONTH;
    vestPart = timeLocks[_to].amount.div(vestTotalMonths);
    amount = vestedMonths.mul(vestPart);
    vestedAmount = timeLocks[_to].vestedAmount.add(amount);
    if (vestedAmount > timeLocks[_to].amount) {
      amount = timeLocks[_to].amount.sub(timeLocks[_to].vestedAmount);
    }
  }

  return (amount, vestedMonths, curTime);
}

MXCToken

ERC20

About link

Stats

Events (5) keyboard_arrow_up

Approval Event

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

GrantedTokenReturned Event

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

NewTokenGrant 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.

VestedTokenRedeemed Event

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

Structs (1) keyboard_arrow_up

TimeLock Struct

Members

Constants (4) keyboard_arrow_up

name Constant

symbol Constant

decimals Constant

MONTH Constant

State Variables (4) keyboard_arrow_up

timeLocks Variable

allowed Variable

balances Variable

totalSupply_ 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

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

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

vestBalanceOf 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

grantToken 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

grantTokenStartNow 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

redeemVestableToken keyboard_arrow_up

Parameters help Function parameters list what input the function expects from the user. Each parameter must be given a value.

About

Events (5)

Parameters

Parameters

Parameters

Parameters

Parameters

Structs (1)

Constants (4)

State Variables (4)

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

Requirements

allowance

Parameters

transferFrom

Parameters

Requirements

approve

Parameters

increaseApproval

Parameters

decreaseApproval

Parameters

vestBalanceOf

Parameters

Requirements

grantToken

Parameters

Requirements

grantTokenStartNow

Parameters

Requirements

redeemVestableToken

Parameters

Requirements

returnGrantedToken

Parameters

Requirements

internal MXCToken.calcVestableToken

Parameters

Requirements