Blockwell

Alchemix

ERC20

This contract is an ERC20 token.

Name Alchemix
Symbol ALCX
Decimals 18
Total Supply 1,258,480 ALCX

About link

Alchemix (ALCX) is a cryptocurrency and operates on the Ethereum platform. Alchemix has a current supply of 716,506.98482562 with 283,672.98482562 in circulation. The last known price of Alchemix is 269.1364893 USD and is down -3.40 over the last 24 hours. It is currently trading on 16 active market(s) with $2,228,463.57 traded over the last 24 hours. More information can be found at https://alchemix.fi/.

Stats

Public Functions 19
Event Types 5
Code Size 47,063 bytes

Events (5) keyboard_arrow_up

Approval Event

Parameters help
owner
address help
spender
address help
value
uint256 help

RoleAdminChanged Event

Parameters help
role
bytes32 help
previousAdminRole
bytes32 help
newAdminRole
bytes32 help

RoleGranted Event

Parameters help
role
bytes32 help
account
address help
sender
address help

RoleRevoked Event

Parameters help
role
bytes32 help
account
address help
sender
address help

Transfer Event

Parameters help
from
address help
to
address help
value
uint256 help

ADMIN_ROLE Constant

bytes32 help

MINTER_ROLE Constant

bytes32 help

DEFAULT_ADMIN_ROLE Constant

bytes32 help
0x00

_roles Variable

mapping(bytes32 => RoleData) help
Internal Variable

_balances Variable

mapping(address => uint256) help
Internal Variable

_allowances Variable

mapping(address => mapping(address => uint256)) help
Internal Variable

_totalSupply Variable

uint256 help
Internal Variable

_name Variable

string help
Internal Variable

_symbol Variable

string help
Internal Variable

_decimals Variable

uint8 help
Internal Variable

Functions Expand All Collapse All

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help view
Source Code
function name() public view returns (string memory) {
  return _name;
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help view
Source Code
function symbol() public view returns (string memory) {
  return _symbol;
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help view
Source Code
function decimals() public view returns (uint8) {
  return _decimals;
}

Parameters help

This function has no parameters.

Properties

Visibility help public
Mutability help view
Source Code
function totalSupply() public view override returns (uint256) {
  return _totalSupply;
}

Parameters help

Name Type
account
address help

Properties

Visibility help public
Mutability help view
Source Code
function balanceOf(address account) public view override returns (uint256) {
  return _balances[account];
}

Parameters help

Name Type
recipient
address help
amount
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function transfer(address recipient, uint256 amount)
  public
  virtual
  override
  returns (bool)
{
  _transfer(_msgSender(), recipient, amount);
  return true;
}

Parameters help

Name Type
owner
address help
spender
address help

Properties

Visibility help public
Mutability help view
Source Code
function allowance(address owner, address spender)
  public
  view
  virtual
  override
  returns (uint256)
{
  return _allowances[owner][spender];
}

Parameters help

Name Type
spender
address help
amount
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function approve(address spender, uint256 amount)
  public
  virtual
  override
  returns (bool)
{
  _approve(_msgSender(), spender, amount);
  return true;
}

Parameters help

Name Type
sender
address help
recipient
address help
amount
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function transferFrom(
  address sender,
  address recipient,
  uint256 amount
) public virtual override returns (bool) {
  _transfer(sender, recipient, amount);
  _approve(
    sender,
    _msgSender(),
    _allowances[sender][_msgSender()].sub(
      amount,
      "ERC20: transfer amount exceeds allowance"
    )
  );
  return true;
}

Parameters help

Name Type
spender
address help
addedValue
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function increaseAllowance(address spender, uint256 addedValue)
  public
  virtual
  returns (bool)
{
  _approve(
    _msgSender(),
    spender,
    _allowances[_msgSender()][spender].add(addedValue)
  );
  return true;
}

Parameters help

Name Type
spender
address help
subtractedValue
uint256 help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function decreaseAllowance(address spender, uint256 subtractedValue)
  public
  virtual
  returns (bool)
{
  _approve(
    _msgSender(),
    spender,
    _allowances[_msgSender()][spender].sub(
      subtractedValue,
      "ERC20: decreased allowance below zero"
    )
  );
  return true;
}

hasRole keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help
account
address help

Properties

Visibility help public
Mutability help view
Source Code
function hasRole(bytes32 role, address account) public view returns (bool) {
  return _roles[role].members.contains(account);
}

getRoleMemberCount keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help

Properties

Visibility help public
Mutability help view
Source Code
function getRoleMemberCount(bytes32 role) public view returns (uint256) {
  return _roles[role].members.length();
}

getRoleMember keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help
index
uint256 help

Properties

Visibility help public
Mutability help view
Source Code
function getRoleMember(bytes32 role, uint256 index)
  public
  view
  returns (address)
{
  return _roles[role].members.at(index);
}

getRoleAdmin keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help

Properties

Visibility help public
Mutability help view
Source Code
function getRoleAdmin(bytes32 role) public view returns (bytes32) {
  return _roles[role].adminRole;
}

grantRole keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help
account
address help

Properties

Visibility help public
Mutability help transaction

Requirements help

null
Source Code
function grantRole(bytes32 role, address account) public virtual {
  require(
    hasRole(_roles[role].adminRole, _msgSender()),
    "AccessControl: sender must be an admin to grant"
  );

  _grantRole(role, account);
}

revokeRole keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help
account
address help

Properties

Visibility help public
Mutability help transaction

Requirements help

null
Source Code
function revokeRole(bytes32 role, address account) public virtual {
  require(
    hasRole(_roles[role].adminRole, _msgSender()),
    "AccessControl: sender must be an admin to revoke"
  );

  _revokeRole(role, account);
}

renounceRole keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help
account
address help

Properties

Visibility help public
Mutability help transaction

Requirements help

Source Code
function renounceRole(bytes32 role, address account) public virtual {
  require(
    account == _msgSender(),
    "AccessControl: can only renounce roles for self"
  );

  _revokeRole(role, account);
}

mint keyboard_arrow_up

Parameters help

Name Type
_recipient
address help
_amount
uint256 help

Properties

Visibility help public
Mutability help transaction

Modifiers help

onlyMinter checks for the following:
null

Requirements help

Source Code
function mint(address _recipient, uint256 _amount) external onlyMinter {
  _mint(_recipient, _amount);
}

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 AccessControl._setupRole keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help
account
address help

Properties

Visibility help internal
Mutability help transaction
Source Code
function _setupRole(bytes32 role, address account) internal virtual {
  _grantRole(role, account);
}

internal AccessControl._setRoleAdmin keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help
adminRole
bytes32 help

Properties

Visibility help internal
Mutability help transaction
Source Code
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
  emit RoleAdminChanged(role, _roles[role].adminRole, adminRole);
  _roles[role].adminRole = adminRole;
}

internal AccessControl._grantRole keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help
account
address help

Properties

Visibility help private
Mutability help transaction
Source Code
function _grantRole(bytes32 role, address account) private {
  if (_roles[role].members.add(account)) {
    emit RoleGranted(role, account, _msgSender());
  }
}

internal AccessControl._revokeRole keyboard_arrow_up

Parameters help

Name Type
role
bytes32 help
account
address help

Properties

Visibility help private
Mutability help transaction
Source Code
function _revokeRole(bytes32 role, address account) private {
  if (_roles[role].members.remove(account)) {
    emit RoleRevoked(role, account, _msgSender());
  }
}

internal Context._msgSender keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help internal
Mutability help view
Source Code
function _msgSender() internal view virtual returns (address payable) {
  return msg.sender;
}

internal Context._msgData keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help internal
Mutability help view
Source Code
function _msgData() internal view virtual returns (bytes memory) {
  this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
  return msg.data;
}

internal ERC20._transfer keyboard_arrow_up

Parameters help

Name Type
sender
address help
recipient
address help
amount
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _transfer(
  address sender,
  address recipient,
  uint256 amount
) internal virtual {
  require(sender != address(0), "ERC20: transfer from the zero address");
  require(recipient != address(0), "ERC20: transfer to the zero address");

  _beforeTokenTransfer(sender, recipient, amount);

  _balances[sender] = _balances[sender].sub(
    amount,
    "ERC20: transfer amount exceeds balance"
  );
  _balances[recipient] = _balances[recipient].add(amount);
  emit Transfer(sender, recipient, amount);
}

internal ERC20._mint keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _mint(address account, uint256 amount) internal virtual {
  require(account != address(0), "ERC20: mint to the zero address");

  _beforeTokenTransfer(address(0), account, amount);

  _totalSupply = _totalSupply.add(amount);
  _balances[account] = _balances[account].add(amount);
  emit Transfer(address(0), account, amount);
}

internal ERC20._burn keyboard_arrow_up

Parameters help

Name Type
account
address help
amount
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _burn(address account, uint256 amount) internal virtual {
  require(account != address(0), "ERC20: burn from the zero address");

  _beforeTokenTransfer(account, address(0), amount);

  _balances[account] = _balances[account].sub(
    amount,
    "ERC20: burn amount exceeds balance"
  );
  _totalSupply = _totalSupply.sub(amount);
  emit Transfer(account, address(0), amount);
}

internal ERC20._approve keyboard_arrow_up

Parameters help

Name Type
owner
address help
spender
address help
amount
uint256 help

Properties

Visibility help internal
Mutability help transaction

Requirements help

Source Code
function _approve(
  address owner,
  address spender,
  uint256 amount
) internal virtual {
  require(owner != address(0), "ERC20: approve from the zero address");
  require(spender != address(0), "ERC20: approve to the zero address");

  _allowances[owner][spender] = amount;
  emit Approval(owner, spender, amount);
}

internal ERC20._setupDecimals keyboard_arrow_up

Parameters help

Name Type
decimals_
uint8 help

Properties

Visibility help internal
Mutability help transaction
Source Code
function _setupDecimals(uint8 decimals_) internal {
  _decimals = decimals_;
}

internal ERC20._beforeTokenTransfer keyboard_arrow_up

Parameters help

Name Type
from
address help
to
address help
amount
uint256 help

Properties

Visibility help internal
Mutability help transaction
Source Code
function _beforeTokenTransfer(
  address from,
  address to,
  uint256 amount
) internal virtual {}

internal Context._msgSender keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help internal
Mutability help view
Source Code
function _msgSender() internal view virtual returns (address payable) {
  return msg.sender;
}

internal Context._msgData keyboard_arrow_up

Parameters help

This function has no parameters.

Properties

Visibility help internal
Mutability help view
Source Code
function _msgData() internal view virtual returns (bytes memory) {
  this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
  return msg.data;
}