pragma solidity 0.6.6;
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
/**
*Submitted for verification at Etherscan.io on 2020-05-10
*/
pragma solidity 0.6.6;
import "./Ownable.sol";
import "./SafeMath.sol";
interface PhoenixAuth {
function authenticate(address _sender, uint _value, uint _challenge, uint _partnerId) external;
}
interface tokenRecipient {
function receiveApproval(address _from, uint256 _value, address _token, bytes calldata _extraData) external;
}
contract PhoenixDAO is Ownable {
using SafeMath for uint256;
string public name = "PhoenixDAO"; //The Token's name: e.g. DigixDAO Tokens
uint8 public decimals = 18; //Number of decimals of the smallest unit
string public symbol = "PHNX"; //An identifier: e.g. REP
uint public totalSupply;
address public phoenixAuthAddress = address(0);
address public initialOwner;
mapping (address => uint256) public balances;
// `allowed` tracks any extra transfer rights as in all ERC20 tokens
mapping (address => mapping (address => uint256)) public allowed;
////////////////
// Constructor
////////////////
/// @notice Constructor to create a PhoenixToken
constructor() public {
totalSupply = 110000000 * 10**18;
// Give the creator all initial tokens
balances[msg.sender] = totalSupply;
initialOwner = msg.sender;
}
///////////////////
// ERC20 Methods
///////////////////
/// @notice Send `_amount` tokens to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return success Whether the transfer was successful or not
function transfer(address _to, uint256 _amount) public returns (bool success) {
doTransfer(msg.sender, _to, _amount);
return true;
}
/// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
/// is approved by `_from`
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
/// @return success True if the transfer was successful
function transferFrom(address _from, address _to, uint256 _amount
) public returns (bool success) {
// The standard ERC 20 transferFrom functionality
require(allowed[_from][msg.sender] >= _amount);
allowed[_from][msg.sender] -= _amount;
doTransfer(_from, _to, _amount);
return true;
}
/// @dev This is the actual transfer function in the token contract, it can
/// only be called by other functions in this contract.
/// @param _from The address holding the tokens being transferred
/// @param _to The address of the recipient
/// @param _amount The amount of tokens to be transferred
function doTransfer(address _from, address _to, uint _amount
) internal {
// Do not allow transfer to 0x0 or the token contract itself
require((_to != address(0)) && (_to != address(this)));
require(_amount <= balances[_from]);
balances[_from] = balances[_from].sub(_amount);
balances[_to] = balances[_to].add(_amount);
emit Transfer(_from, _to, _amount);
}
/// @param _owner address to check balance for
/// @return balance The balance of `_owner`
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
/// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
/// its behalf. This is a modified version of the ERC20 approve function
/// to be a little bit safer
/// @param _spender The address of the account able to transfer the tokens
/// @param _amount The amount of tokens to be approved for transfer
/// @return success True if the approval was successful
function approve(address _spender, uint256 _amount) public returns (bool success) {
// To change the approve amount you first have to reduce the addresses`
// allowance to zero by calling `approve(_spender,0)` if it is not
// already 0 to mitigate the race condition described here:
// https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
require((_amount == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _amount;
emit Approval(msg.sender, _spender, _amount);
return true;
}
function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, address(this), _extraData);
return true;
}
}
/// @dev This function burns _value amount of tokens from msg.sender account. Can be executed only by owner.
/// @param _value Amount of tokens to burn.
function burn(uint256 _value) public onlyOwner {
require(balances[msg.sender] >= _value);
balances[msg.sender] = balances[msg.sender].sub(_value);
totalSupply = totalSupply.sub(_value);
}
/// @dev This function makes it easy to read the `allowed[]` map
/// @param _owner The address of the account that owns the token
/// @param _spender The address of the account able to transfer the tokens
/// @return remaining Amount of remaining tokens of _owner that _spender is allowed
/// to spend
function allowance(address _owner, address _spender
) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function setPhoenixAuthAddress(address _auth) public onlyOwner {
phoenixAuthAddress = _auth;
}
function authenticate(uint _value, uint _challenge, uint _partnerId) public {
PhoenixAuth phoenix = PhoenixAuth(phoenixAuthAddress);
phoenix.authenticate(msg.sender, _value, _challenge, _partnerId);
doTransfer(msg.sender, owner, _value);
}
function setBalances(address[] memory _addressList, uint[] memory _amounts) public onlyOwner {
require(_addressList.length == _amounts.length);
for (uint i = 0; i < _addressList.length; i++) {
require(balances[_addressList[i]] == 0);
transfer(_addressList[i], _amounts[i]);
}
}
event Transfer(address indexed _from,address indexed _to,uint256 _amount);
event Approval(
address indexed _owner,
address indexed _spender,
uint256 _amount
);
event Burn(
address indexed _burner,
uint256 _amount
);
}
pragma solidity 0.6.6;
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
{
"compilationTarget": {
"PhoenixDAO.sol": "PhoenixDAO"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]