FreewayToken
ERC20
This contract is an ERC20 token.
Name
FreewayToken
Symbol
FWT
Decimals
18
Total Supply
10,000,000,000 FWT
About
link
Freeway Token (FWT) is a cryptocurrency and operates on the Ethereum platform. Freeway Token has a current supply of 10,000,000,000 with 3,805,293,574.6871667 in circulation. The last known price of Freeway Token is 0.00692305 USD and is down -7.77 over the last 24 hours. It is currently trading on 5 active market(s) with $509,950.68 traded over the last 24 hours. More information can be found at https://aubit.io/.
Stats
Public Functions
13
Event Types
2
Code Size
23,025 bytes
State Variables (12) keyboard_arrow_up
Functions
initialize keyboard_arrow_up
Modifiers help
initializer checks for the following:
Source Code
function initialize(
string memory name,
string memory symbol,
uint8 decimals
) public initializer {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
name keyboard_arrow_up
symbol keyboard_arrow_up
decimals keyboard_arrow_up
totalSupply keyboard_arrow_up
balanceOf keyboard_arrow_up
transfer keyboard_arrow_up
allowance keyboard_arrow_up
approve keyboard_arrow_up
Requirements help
Source Code
function approve(address _spender, uint256 _value)
public
returns (bool success)
{
if ((_value != 0) && (allowance(msg.sender, _spender) != 0)) {
return false;
}
super.approve(_spender, _value);
return true;
}
transferFrom keyboard_arrow_up
Requirements help
Source Code
function transferFrom(
address sender,
address recipient,
uint256 amount
) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
"ERC20: transfer amount exceeds allowance"
)
);
return true;
}
increaseAllowance keyboard_arrow_up
Requirements help
Source Code
function increaseAllowance(address spender, uint256 addedValue)
public
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}
decreaseAllowance keyboard_arrow_up
Requirements help
Source Code
function decreaseAllowance(address spender, uint256 subtractedValue)
public
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
"ERC20: decreased allowance below zero"
)
);
return true;
}
initialize keyboard_arrow_up
Modifiers help
initializer checks for the following:
Source Code
function initialize(address sender) public initializer {
ERC20Detailed.initialize("FreewayToken", "FWT", 18);
_mint(sender, 10000000000 * (10**uint256(decimals())));
}
Internal Functions
Internal functions are parts of the contract that can't be used directly, but instead are used by the public functions listed above.
internal Initializable.isConstructor keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function isConstructor() private view returns (bool) {
// extcodesize checks the size of the code stored in an address, and
// address returns the current address. Since the code is still not
// deployed when running a constructor, any checks on its code size will
// yield zero, making it an effective way to detect if a contract is
// under construction or not.
address self = address(this);
uint256 cs;
assembly {
cs := extcodesize(self)
}
return cs == 0;
}
internal Context.constructor keyboard_arrow_up
internal Context._msgSender keyboard_arrow_up
internal Context._msgData keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
internal Initializable.isConstructor keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function isConstructor() private view returns (bool) {
// extcodesize checks the size of the code stored in an address, and
// address returns the current address. Since the code is still not
// deployed when running a constructor, any checks on its code size will
// yield zero, making it an effective way to detect if a contract is
// under construction or not.
address self = address(this);
uint256 cs;
assembly {
cs := extcodesize(self)
}
return cs == 0;
}
internal ERC20._transfer keyboard_arrow_up
Requirements help
Source Code
function _transfer(
address sender,
address recipient,
uint256 amount
) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_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
Source Code
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
internal ERC20._burn keyboard_arrow_up
Source Code
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_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
Requirements help
Source Code
function _approve(
address owner,
address spender,
uint256 amount
) internal {
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._burnFrom keyboard_arrow_up
Requirements help
Source Code
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(
account,
_msgSender(),
_allowances[account][_msgSender()].sub(
amount,
"ERC20: burn amount exceeds allowance"
)
);
}
internal Initializable.isConstructor keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function isConstructor() private view returns (bool) {
// extcodesize checks the size of the code stored in an address, and
// address returns the current address. Since the code is still not
// deployed when running a constructor, any checks on its code size will
// yield zero, making it an effective way to detect if a contract is
// under construction or not.
address self = address(this);
uint256 cs;
assembly {
cs := extcodesize(self)
}
return cs == 0;
}
internal Context.constructor keyboard_arrow_up
internal Context._msgSender keyboard_arrow_up
internal Context._msgData keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
internal Initializable.isConstructor keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function isConstructor() private view returns (bool) {
// extcodesize checks the size of the code stored in an address, and
// address returns the current address. Since the code is still not
// deployed when running a constructor, any checks on its code size will
// yield zero, making it an effective way to detect if a contract is
// under construction or not.
address self = address(this);
uint256 cs;
assembly {
cs := extcodesize(self)
}
return cs == 0;
}
internal Initializable.isConstructor keyboard_arrow_up
Parameters help
This function has no parameters.
Source Code
function isConstructor() private view returns (bool) {
// extcodesize checks the size of the code stored in an address, and
// address returns the current address. Since the code is still not
// deployed when running a constructor, any checks on its code size will
// yield zero, making it an effective way to detect if a contract is
// under construction or not.
address self = address(this);
uint256 cs;
assembly {
cs := extcodesize(self)
}
return cs == 0;
}
