YGGDRASH

0xca2796f9f61dc7b238aab043971e49c6164df375 Copy

ERC20

This contract is an ERC20 token.

Name YGGDRASH

Symbol YEED

Decimals 18

Total Supply 10,000,000,000 YEED

About

YGGDRASH (YEED) is a cryptocurrency and operates on the Ethereum platform. YGGDRASH has a current supply of 10,000,000,000 with 6,561,014,608.35 in circulation. The last known price of YGGDRASH is 0.00042501 USD and is up 0.47 over the last 24 hours. It is currently trading on 2 active market(s) with $3,326.95 traded over the last 24 hours. More information can be found at https://yggdrash.io.

Stats

Public Functions 14

Event Types 8

Code Size 10,865 bytes

Library Use

Uses SafeMath for uint256.

Events (8)

Approval Event

Parameters

owner	address
spender	address
value	uint256

EmergencyTransfer Event

Parameters

from	address
to	address
value	uint256

Locked Event

Parameters

lockAddress	address
status	bool

SetAdminMode Event

Parameters

adminMode

bool

SetTokenTransfer Event

Parameters

transfer

bool

TokenBurned Event

Parameters

burnAddress	address
amountOfTokens	uint256

Transfer Event

Parameters

from	address
to	address
value	uint256

Unlocked Event

Parameters

unlockedAddress	address
status	bool

Constants (3)

name Constant

string

YGGDRASH

symbol Constant

string

YEED

decimals Constant

uint8

State Variables (8)

adminMode Variable

bool

tokenTransfer Variable

bool

owner Variable

address

unlockAddress Variable

mapping(address => bool)

lockAddress Variable

mapping(address => bool)

_balances Variable

mapping(address => uint256)

Internal Variable

_approvals Variable

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

Internal Variable

_supply Variable

uint256

Internal Variable

Functions Expand All Collapse All

setLockAddress

Parameters

Name	Type
target	address
status	bool

Properties

Visibility public

Mutability transaction

Modifiers

isOwner checks for the following:

owner must be equal to the sender's address

Requirements

owner must not be equal to target

Source Code

function setLockAddress(address target, bool status) external isOwner {
  require(owner != target);
  lockAddress[target] = status;
  emit Locked(target, status);
}

setUnlockAddress

Parameters

Name	Type
target	address
status	bool

Properties

Visibility public

Mutability transaction

Modifiers

isOwner checks for the following:

owner must be equal to the sender's address

Source Code

function setUnlockAddress(address target, bool status) external isOwner {
  unlockAddress[target] = status;
  emit Unlocked(target, status);
}

totalSupply

Parameters

This function has no parameters.

Properties

Visibility public

Mutability view

Source Code

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

balanceOf

Parameters

Name	Type
who	address

Properties

Visibility public

Mutability view

Source Code

function balanceOf(address who) public view returns (uint256) {
  return _balances[who];
}

transfer

Parameters

Name	Type
to	address
value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

isTokenTransfer checks for the following:

checkLock checks for the following:

lockAddress for the sender's address must not be true

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
  isTokenTransfer
  checkLock
  returns (bool)
{
  require(to != address(0));
  require(_balances[msg.sender] >= value);

  _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 _approvals[owner][spender];
}

transferFrom

Parameters

Name	Type
from	address
to	address
value	uint256

Properties

Visibility public

Mutability transaction

Modifiers

isTokenTransfer checks for the following:

checkLock checks for the following:

lockAddress for the sender's address must not be true

Requirements

lockAddress for from must not be true

value must be less than or equal to _balances for from

value must be less than or equal to _approvals for from for the sender's address

Source Code

function transferFrom(
  address from,
  address to,
  uint256 value
) public isTokenTransfer checkLock returns (bool success) {
  require(!lockAddress[from]);
  require(_balances[from] >= value);
  require(_approvals[from][msg.sender] >= value);
  _balances[from] = _balances[from].sub(value);
  _balances[to] = _balances[to].add(value);
  _approvals[from][msg.sender] = _approvals[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

Modifiers

checkLock checks for the following:

lockAddress for the sender's address must not be true

Source Code

function approve(address spender, uint256 value)
  public
  checkLock
  returns (bool)
{
  _approvals[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

Modifiers

checkLock checks for the following:

lockAddress for the sender's address must not be true

Source Code

function increaseApproval(address _spender, uint256 _addedValue)
  public
  checkLock
  returns (bool)
{
  _approvals[msg.sender][_spender] = (
    _approvals[msg.sender][_spender].add(_addedValue)
  );
  emit Approval(msg.sender, _spender, _approvals[msg.sender][_spender]);
  return true;
}

decreaseApproval

Parameters

Name	Type
_spender	address
_subtractedValue	uint256

Properties

Visibility public

Mutability transaction

Modifiers

checkLock checks for the following:

lockAddress for the sender's address must not be true

Source Code

function decreaseApproval(address _spender, uint256 _subtractedValue)
  public
  checkLock
  returns (bool)
{
  uint256 oldValue = _approvals[msg.sender][_spender];
  if (_subtractedValue > oldValue) {
    _approvals[msg.sender][_spender] = 0;
  } else {
    _approvals[msg.sender][_spender] = oldValue.sub(_subtractedValue);
  }
  emit Approval(msg.sender, _spender, _approvals[msg.sender][_spender]);
  return true;
}

burnTokens

Parameters

Name	Type
tokensAmount	uint256

Properties

Visibility public

Mutability transaction

Modifiers

isAdminMode checks for the following:

adminMode must be true

isOwner checks for the following:

owner must be equal to the sender's address

Requirements

tokensAmount must be less than or equal to _balances for the sender's address

Source Code

function burnTokens(uint256 tokensAmount) public isAdminMode isOwner {
  require(_balances[msg.sender] >= tokensAmount);

  _balances[msg.sender] = _balances[msg.sender].sub(tokensAmount);
  _supply = _supply.sub(tokensAmount);
  emit TokenBurned(msg.sender, tokensAmount);
}

setTokenTransfer

Parameters

Name	Type
_tokenTransfer	bool

Properties

Visibility public

Mutability transaction

Modifiers

isAdminMode checks for the following:

adminMode must be true

isOwner checks for the following:

owner must be equal to the sender's address

Source Code

function setTokenTransfer(bool _tokenTransfer) external isAdminMode isOwner {
  tokenTransfer = _tokenTransfer;
  emit SetTokenTransfer(tokenTransfer);
}

setAdminMode

Parameters

Name	Type
_adminMode	bool

Properties

Visibility public

Mutability transaction

Modifiers

isOwner checks for the following:

owner must be equal to the sender's address

Source Code

function setAdminMode(bool _adminMode) public isOwner {
  adminMode = _adminMode;
  emit SetAdminMode(adminMode);
}

emergencyTransfer

Parameters

Name	Type
emergencyAddress	address

Properties

Visibility public

Mutability transaction

Modifiers

isAdminMode checks for the following:

adminMode must be true

isOwner checks for the following:

owner must be equal to the sender's address

Requirements

emergencyAddress must not be equal to owner

Source Code

function emergencyTransfer(address emergencyAddress)
  public
  isAdminMode
  isOwner
  returns (bool success)
{
  require(emergencyAddress != owner);
  _balances[owner] = _balances[owner].add(_balances[emergencyAddress]);

  emit Transfer(emergencyAddress, owner, _balances[emergencyAddress]);
  emit EmergencyTransfer(emergencyAddress, owner, _balances[emergencyAddress]);

  _balances[emergencyAddress] = 0;
  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.

YGGDRASH

ERC20

About link

Stats

Library Use

Events (8) keyboard_arrow_up

Approval Event

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

EmergencyTransfer Event

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

Locked Event

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

SetAdminMode Event

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

SetTokenTransfer Event

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

TokenBurned 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.

Unlocked Event

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

Constants (3) keyboard_arrow_up

name Constant

symbol Constant

decimals Constant

State Variables (8) keyboard_arrow_up

adminMode Variable

tokenTransfer Variable

owner Variable

unlockAddress Variable

lockAddress Variable

_balances Variable

_approvals Variable

_supply Variable

Functions Expand All Collapse All

setLockAddress 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.

isOwner 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

setUnlockAddress 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.

isOwner checks for the following:

Source Code

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

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

isTokenTransfer checks for the following:

checkLock 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

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

Modifiers help Modifiers are additions to a function that typically make various checks before the function is run.

isTokenTransfer checks for the following:

checkLock 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

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

About

Events (8)

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Parameters

Constants (3)

State Variables (8)

setLockAddress

Parameters

Modifiers

Requirements

setUnlockAddress

Parameters

Modifiers

totalSupply

Parameters

balanceOf

Parameters

transfer

Parameters

Modifiers

Requirements

allowance

Parameters

transferFrom

Parameters

Modifiers

Requirements

approve

Parameters

Modifiers

increaseApproval

Parameters

Modifiers

decreaseApproval

Parameters

Modifiers

burnTokens

Parameters

Modifiers

Requirements

setTokenTransfer

Parameters

Modifiers

setAdminMode

Parameters

Modifiers

emergencyTransfer

Parameters

Modifiers

Requirements