EIP20NonStandardInterface (EIP20NonStandardInterface.sol)
Version of ERC20 with no return values for
transfer and transferFrom See https://medium.com/coinmonks/missing-return-value-bug-at-least-130-tokens-affected-d67bf08521ca​​
Contract Members
Constants & Variables
1
uint256 public totalSupply;
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Events
1
event Transfer(address indexed _from, address indexed _to, uint256 _value);
2
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
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Functions
- balanceOf(address _owner)
- transfer(address _to, uint256 _value)
- transferFrom(address _from, address _to, uint256 _value)
- approve(address _spender, uint256 _value)
- allowance(address _owner, address _spender)
balanceOf
1
function balanceOf(address _owner) public view
2
returns(balance uint256)
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Returns
The balance
Arguments
Name
Type
Description
_owner
address
The address from which the balance will be retrieved
transfer
send
_value token to _to from msg.sender1
function transfer(address _to, uint256 _value) public nonpayable
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Returns
Whether the transfer was successful or not
Arguments
Name
Type
Description
_to
address
The address of the recipient
_value
uint256
The amount of token to be transferred
transferFrom
send
_value token to _to from _from on the condition it is approved by _from1
function transferFrom(address _from, address _to, uint256 _value) public nonpayable
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Returns
Whether the transfer was successful or not
Arguments
Name
Type
Description
_from
address
The address of the sender
_to
address
The address of the recipient
_value
uint256
The amount of token to be transferred
approve
msg.sender approves _spender to spend _value tokens1
function approve(address _spender, uint256 _value) public nonpayable
2
returns(success bool)
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Returns
Whether the approval was successful or not
Arguments
Name
Type
Description
_spender
address
The address of the account able to transfer the tokens
_value
uint256
The amount of tokens to be approved for transfer
allowance
1
function allowance(address _owner, address _spender) public view
2
returns(remaining uint256)
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Returns
Amount of remaining tokens allowed to spent
Arguments
Name
Type
Description
_owner
address
The address of the account owning tokens
_spender
address
The address of the account able to transfer the tokens
Last modified 4mo ago
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