cerc-io/solidity
10
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Make token constructible.

Browse Source
This commit is contained in:
chriseth 2017-01-20 19:41:25 +01:00
parent 61a15bb92e
commit c6207e2761
1 changed files with 24 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
std/StandardToken.sol
View File

@ -3,20 +3,28 @@ pragma solidity ^0.4.0;
import "./Token.sol"; import "./Token.sol";
contract StandardToken is Token { contract StandardToken is Token {
uint256 public totalSupply; uint256 supply;
mapping (address => uint256) public balanceOf; mapping (address => uint256) balance;
mapping (address => mapping (address =>
mapping (address => uint256)) public allowance; mapping (address => uint256)) m_allowance;
function StandardToken(address _initialOwner, uint256 _supply) { function StandardToken(address _initialOwner, uint256 _supply) {
totalSupply = _supply; supply = _supply;
balanceOf[_initialOwner] = _supply; balance[_initialOwner] = _supply;
}
function balanceOf(address _account) constant returns (uint) {
return balance[_account];
}
function totalSupply() constant returns (uint) {
return supply;
} }
function transfer(address _to, uint256 _value) returns (bool success) { function transfer(address _to, uint256 _value) returns (bool success) {
if (balanceOf[msg.sender] >= _value && balanceOf[_to] + _value >= balanceOf[_to]) { if (balance[msg.sender] >= _value && balance[_to] + _value >= balance[_to]) {
balanceOf[msg.sender] -= _value; balance[msg.sender] -= _value;
balanceOf[_to] += _value; balance[_to] += _value;
Transfer(msg.sender, _to, _value); Transfer(msg.sender, _to, _value);
return true; return true;
} else { } else {
@ -25,9 +33,9 @@ contract StandardToken is Token {
} }
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
if (allowance[_from][msg.sender] >= _value && balanceOf[_to] + _value >= balanceOf[_to]) { if (m_allowance[_from][msg.sender] >= _value && balance[_to] + _value >= balance[_to]) {
allowance[_from][msg.sender] -= _value; m_allowance[_from][msg.sender] -= _value;
balanceOf[_to] += _value; balance[_to] += _value;
Transfer(_from, _to, _value); Transfer(_from, _to, _value);
return true; return true;
} else { } else {
@ -36,8 +44,12 @@ contract StandardToken is Token {
} }
function approve(address _spender, uint256 _value) returns (bool success) { function approve(address _spender, uint256 _value) returns (bool success) {
allowance[msg.sender][_spender] = _value; m_allowance[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value); Approval(msg.sender, _spender, _value);
return true; return true;
} }
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return m_allowance[_owner][_spender];
}
} }