Stats
Public Functions
4
Event Types
2
Code Size
4,532 bytes
Events (2)
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Burn
Event
Parameters
help
Event parameters list the data that an event contains.
| burner |
address help
The type of this value is address, which means it stores an Ethereum address, such as a wallet address.
|
| value |
uint256 help
The type of this value is uint, which stands for unsigned integer. Integer means it's a whole number (such as 1, 12, 52) without fractions or decimals. Unsigned means it can't have a negative or positive sign, so it's always a positive number.
|
Transfer
Event
Parameters
help
Event parameters list the data that an event contains.
| from |
address help
The type of this value is address, which means it stores an Ethereum address, such as a wallet address.
|
| to |
address help
The type of this value is address, which means it stores an Ethereum address, such as a wallet address.
|
| value |
uint256 help
The type of this value is uint, which stands for unsigned integer. Integer means it's a whole number (such as 1, 12, 52) without fractions or decimals. Unsigned means it can't have a negative or positive sign, so it's always a positive number.
|
State Variables (6)
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name
Variable
string
help
The type of this value is string, which is basically just plain text. It's called a string because it is a 'string' of letters.
symbol
Variable
string
help
The type of this value is string, which is basically just plain text. It's called a string because it is a 'string' of letters.
decimals
Variable
uint8
help
The type of this value is uint, which stands for unsigned integer. Integer means it's a whole number (such as 1, 12, 52) without fractions or decimals. Unsigned means it can't have a negative or positive sign, so it's always a positive number.
INITIAL_SUPPLY
Variable
uint256
help
The type of this value is uint, which stands for unsigned integer. Integer means it's a whole number (such as 1, 12, 52) without fractions or decimals. Unsigned means it can't have a negative or positive sign, so it's always a positive number.
balances
Variable
mapping(address => uint256)
help
The type of this value is other.
totalSupply_
Variable
uint256
help
The type of this value is uint, which stands for unsigned integer. Integer means it's a whole number (such as 1, 12, 52) without fractions or decimals. Unsigned means it can't have a negative or positive sign, so it's always a positive number.
totalSupply
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Parameters
help
Function parameters list what input the function expects from the user. Each
parameter must be given a value.
This function has no parameters.
Properties
Visibility
help
Visibility determines if the function is visible to users and other contracts.
Only functions that are public can be used.
public
Mutability
help
Mutability tells you if a function can make changes on the blockchain.
View means the function can be called by anyone without
a wallet and without submitting a transaction.
view
Source Code
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
balanceOf
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Parameters
help
Function parameters list what input the function expects from the user. Each
parameter must be given a value.
| Name |
Type |
| _owner |
address help
The type of this value is address, which means it stores an Ethereum address, such as a wallet address.
|
Properties
Visibility
help
Visibility determines if the function is visible to users and other contracts.
Only functions that are public can be used.
public
Mutability
help
Mutability tells you if a function can make changes on the blockchain.
View means the function can be called by anyone without
a wallet and without submitting a transaction.
view
Source Code
function balanceOf(address _owner) public view returns (uint256) {
return balances[_owner];
}
transfer
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Parameters
help
Function parameters list what input the function expects from the user. Each
parameter must be given a value.
| Name |
Type |
| _to |
address help
The type of this value is address, which means it stores an Ethereum address, such as a wallet address.
|
| _value |
uint256 help
The type of this value is uint, which stands for unsigned integer. Integer means it's a whole number (such as 1, 12, 52) without fractions or decimals. Unsigned means it can't have a negative or positive sign, so it's always a positive number.
|
Properties
Visibility
help
Visibility determines if the function is visible to users and other contracts.
Only functions that are public can be used.
public
Mutability
help
Mutability tells you if a function can make changes on the blockchain.
View means the function can be called by anyone without
a wallet and without submitting a transaction.
transaction
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
function transfer(address _to, uint256 _value) public returns (bool) {
require(_value <= balances[msg.sender]);
require(_to != address(0));
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
return true;
}
burn
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Parameters
help
Function parameters list what input the function expects from the user. Each
parameter must be given a value.
| Name |
Type |
| _value |
uint256 help
The type of this value is uint, which stands for unsigned integer. Integer means it's a whole number (such as 1, 12, 52) without fractions or decimals. Unsigned means it can't have a negative or positive sign, so it's always a positive number.
|
Properties
Visibility
help
Visibility determines if the function is visible to users and other contracts.
Only functions that are public can be used.
public
Mutability
help
Mutability tells you if a function can make changes on the blockchain.
View means the function can be called by anyone without
a wallet and without submitting a transaction.
transaction
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
function burn(uint256 _value) public {
_burn(msg.sender, _value);
}
Internal functions are parts of the contract that can't be used directly, but instead are used by
the public functions listed above.
internal BurnableToken._burn
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Parameters
help
Function parameters list what input the function expects from the user. Each
parameter must be given a value.
| Name |
Type |
| _who |
address help
The type of this value is address, which means it stores an Ethereum address, such as a wallet address.
|
| _value |
uint256 help
The type of this value is uint, which stands for unsigned integer. Integer means it's a whole number (such as 1, 12, 52) without fractions or decimals. Unsigned means it can't have a negative or positive sign, so it's always a positive number.
|
Properties
Visibility
help
Visibility determines if the function is visible to users and other contracts.
Only functions that are public can be used.
internal
Mutability
help
Mutability tells you if a function can make changes on the blockchain.
View means the function can be called by anyone without
a wallet and without submitting a transaction.
transaction
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
function _burn(address _who, uint256 _value) internal {
require(_value <= balances[_who]);
// no need to require value <= totalSupply, since that would imply the
// sender's balance is greater than the totalSupply, which *should* be an assertion failure
balances[_who] = balances[_who].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(_who, _value);
emit Transfer(_who, address(0), _value);
}
