Contract Name:
CovestingToken
Contract Source Code:
File 1 of 1 : CovestingToken
pragma solidity ^0.4.17;
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) constant returns (uint256);
function transfer(address to, uint256 value) returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) constant returns (uint256);
function transferFrom(address from, address to, uint256 value) returns (bool);
function approve(address spender, uint256 value) returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant 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;
}
function sub(uint256 a, uint256 b) internal constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) returns (bool) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
}
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amout of tokens to be transfered
*/
function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
var _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// require (_value <= _allowance);
balances[_to] = balances[_to].add(_value);
balances[_from] = balances[_from].sub(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
return true;
}
/**
* @dev Aprove the passed address to spend the specified amount of tokens on behalf of msg.sender.
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) returns (bool) {
// 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((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifing the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
}
/**
* @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;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
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) onlyOwner {
require(newOwner != address(0));
owner = newOwner;
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
address public saleAgent;
function setSaleAgent(address newSaleAgnet) {
require(msg.sender == saleAgent || msg.sender == owner);
saleAgent = newSaleAgnet;
}
function mint(address _to, uint256 _amount) returns (bool) {
require(msg.sender == saleAgent && !mintingFinished);
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() returns (bool) {
require((msg.sender == saleAgent || msg.sender == owner) && !mintingFinished);
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev modifier to allow actions only when the contract IS paused
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev modifier to allow actions only when the contract IS NOT paused
*/
modifier whenPaused() {
require(paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused {
paused = true;
Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused {
paused = false;
Unpause();
}
}
contract CovestingToken is MintableToken {
string public constant name = "Covesting";
string public constant symbol = "COV";
uint32 public constant decimals = 18;
mapping (address => uint) public locked;
function transfer(address _to, uint256 _value) returns (bool) {
require(locked[msg.sender] < now);
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
require(locked[_from] < now);
return super.transferFrom(_from, _to, _value);
}
function lock(address addr, uint periodInDays) {
require(locked[addr] < now && (msg.sender == saleAgent || msg.sender == addr));
locked[addr] = now + periodInDays * 1 days;
}
function () payable {
revert();
}
}
contract StagedCrowdsale is Pausable {
using SafeMath for uint;
struct Stage {
uint hardcap;
uint price;
uint invested;
uint closed;
}
uint public start;
uint public period;
uint public totalHardcap;
uint public totalInvested;
Stage[] public stages;
function stagesCount() public constant returns(uint) {
return stages.length;
}
function setStart(uint newStart) public onlyOwner {
start = newStart;
}
function setPeriod(uint newPeriod) public onlyOwner {
period = newPeriod;
}
function addStage(uint hardcap, uint price) public onlyOwner {
require(hardcap > 0 && price > 0);
Stage memory stage = Stage(hardcap.mul(1 ether), price, 0, 0);
stages.push(stage);
totalHardcap = totalHardcap.add(stage.hardcap);
}
function removeStage(uint8 number) public onlyOwner {
require(number >=0 && number < stages.length);
Stage storage stage = stages[number];
totalHardcap = totalHardcap.sub(stage.hardcap);
delete stages[number];
for (uint i = number; i < stages.length - 1; i++) {
stages[i] = stages[i+1];
}
stages.length--;
}
function changeStage(uint8 number, uint hardcap, uint price) public onlyOwner {
require(number >= 0 &&number < stages.length);
Stage storage stage = stages[number];
totalHardcap = totalHardcap.sub(stage.hardcap);
stage.hardcap = hardcap.mul(1 ether);
stage.price = price;
totalHardcap = totalHardcap.add(stage.hardcap);
}
function insertStage(uint8 numberAfter, uint hardcap, uint price) public onlyOwner {
require(numberAfter < stages.length);
Stage memory stage = Stage(hardcap.mul(1 ether), price, 0, 0);
totalHardcap = totalHardcap.add(stage.hardcap);
stages.length++;
for (uint i = stages.length - 2; i > numberAfter; i--) {
stages[i + 1] = stages[i];
}
stages[numberAfter + 1] = stage;
}
function clearStages() public onlyOwner {
for (uint i = 0; i < stages.length; i++) {
delete stages[i];
}
stages.length -= stages.length;
totalHardcap = 0;
}
function lastSaleDate() public constant returns(uint) {
return start + period * 1 days;
}
modifier saleIsOn() {
require(stages.length > 0 && now >= start && now < lastSaleDate());
_;
}
modifier isUnderHardcap() {
require(totalInvested <= totalHardcap);
_;
}
function currentStage() public saleIsOn isUnderHardcap constant returns(uint) {
for(uint i=0; i < stages.length; i++) {
if(stages[i].closed == 0) {
return i;
}
}
revert();
}
}
contract CommonSale is StagedCrowdsale {
address public multisigWallet;
uint public minPrice;
uint public totalTokensMinted;
CovestingToken public token;
function setMinPrice(uint newMinPrice) public onlyOwner {
minPrice = newMinPrice;
}
function setMultisigWallet(address newMultisigWallet) public onlyOwner {
multisigWallet = newMultisigWallet;
}
function setToken(address newToken) public onlyOwner {
token = CovestingToken(newToken);
}
function createTokens() public whenNotPaused payable {
require(msg.value >= minPrice);
uint stageIndex = currentStage();
multisigWallet.transfer(msg.value);
Stage storage stage = stages[stageIndex];
uint tokens = msg.value.mul(stage.price);
token.mint(this, tokens);
token.transfer(msg.sender, tokens);
totalTokensMinted = totalTokensMinted.add(tokens);
totalInvested = totalInvested.add(msg.value);
stage.invested = stage.invested.add(msg.value);
if(stage.invested >= stage.hardcap) {
stage.closed = now;
}
}
function() external payable {
createTokens();
}
function retrieveTokens(address anotherToken) public onlyOwner {
ERC20 alienToken = ERC20(anotherToken);
alienToken.transfer(multisigWallet, token.balanceOf(this));
}
}
contract Presale is CommonSale {
Mainsale public mainsale;
function setMainsale(address newMainsale) public onlyOwner {
mainsale = Mainsale(newMainsale);
}
function setMultisigWallet(address newMultisigWallet) public onlyOwner {
multisigWallet = newMultisigWallet;
}
function finishMinting() public whenNotPaused onlyOwner {
token.setSaleAgent(mainsale);
}
function() external payable {
createTokens();
}
function retrieveTokens(address anotherToken) public onlyOwner {
ERC20 alienToken = ERC20(anotherToken);
alienToken.transfer(multisigWallet, token.balanceOf(this));
}
}
contract Mainsale is CommonSale {
address public foundersTokensWallet;
address public bountyTokensWallet;
uint public foundersTokensPercent;
uint public bountyTokensPercent;
uint public percentRate = 100;
uint public lockPeriod;
function setLockPeriod(uint newLockPeriod) public onlyOwner {
lockPeriod = newLockPeriod;
}
function setFoundersTokensPercent(uint newFoundersTokensPercent) public onlyOwner {
foundersTokensPercent = newFoundersTokensPercent;
}
function setBountyTokensPercent(uint newBountyTokensPercent) public onlyOwner {
bountyTokensPercent = newBountyTokensPercent;
}
function setFoundersTokensWallet(address newFoundersTokensWallet) public onlyOwner {
foundersTokensWallet = newFoundersTokensWallet;
}
function setBountyTokensWallet(address newBountyTokensWallet) public onlyOwner {
bountyTokensWallet = newBountyTokensWallet;
}
function finishMinting() public whenNotPaused onlyOwner {
uint summaryTokensPercent = bountyTokensPercent + foundersTokensPercent;
uint mintedTokens = token.totalSupply();
uint summaryFoundersTokens = mintedTokens.mul(summaryTokensPercent).div(percentRate - summaryTokensPercent);
uint totalSupply = summaryFoundersTokens + mintedTokens;
uint foundersTokens = totalSupply.mul(foundersTokensPercent).div(percentRate);
uint bountyTokens = totalSupply.mul(bountyTokensPercent).div(percentRate);
token.mint(this, foundersTokens);
token.lock(foundersTokensWallet, lockPeriod * 1 days);
token.transfer(foundersTokensWallet, foundersTokens);
token.mint(this, bountyTokens);
token.transfer(bountyTokensWallet, bountyTokens);
totalTokensMinted = totalTokensMinted.add(foundersTokens).add(bountyTokens);
token.finishMinting();
}
}
contract Configurator is Ownable {
CovestingToken public token;
Presale public presale;
Mainsale public mainsale;
function deploy() public onlyOwner {
token = new CovestingToken();
presale = new Presale();
presale.setToken(token);
presale.addStage(5000,300);
presale.setMultisigWallet(0x6245C05a6fc205d249d0775769cfE73CB596e57D);
presale.setStart(1508504400);
presale.setPeriod(30);
presale.setMinPrice(100000000000000000);
token.setSaleAgent(presale);
mainsale = new Mainsale();
mainsale.setToken(token);
mainsale.addStage(5000,200);
mainsale.addStage(5000,180);
mainsale.addStage(10000,170);
mainsale.addStage(20000,160);
mainsale.addStage(20000,150);
mainsale.addStage(40000,130);
mainsale.setMultisigWallet(0x15A071B83396577cCbd86A979Af7d2aBa9e18970);
mainsale.setFoundersTokensWallet(0x25ED4f0D260D5e5218D95390036bc8815Ff38262);
mainsale.setBountyTokensWallet(0x717bfD30f039424B049D918F935DEdD069B66810);
mainsale.setStart(1511528400);
mainsale.setPeriod(30);
mainsale.setLockPeriod(90);
mainsale.setMinPrice(100000000000000000);
mainsale.setFoundersTokensPercent(13);
mainsale.setBountyTokensPercent(5);
presale.setMainsale(mainsale);
token.transferOwnership(owner);
presale.transferOwnership(owner);
mainsale.transferOwnership(owner);
}
}