文件 1 的 1:GYMRewardsToken.sol
pragma solidity ^0.4.18;
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function Ownable() public {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
modifier whenNotPaused() {
require(!paused);
_;
}
modifier whenPaused() {
require(paused);
_;
}
function pause() onlyOwner whenNotPaused public {
paused = true;
Pause();
}
function unpause() onlyOwner whenPaused public {
paused = false;
Unpause();
}
function kill() onlyOwner public {
if (msg.sender == owner) selfdestruct(owner);
}
}
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
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;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
contract TokenConfig {
string public constant TOKEN_SYMBOL = "GYM";
string public constant TOKEN_NAME = "GYM Rewards";
uint8 public constant TOKEN_DECIMALS = 18;
uint256 public constant DECIMALSFACTOR = 10**uint256(TOKEN_DECIMALS);
}
contract TokenSaleConfig is TokenConfig {
uint256 public constant START_TIME = 1519689601;
uint256 public constant PHASE2_START_TIME = 1519862401;
uint256 public constant PHASE3_START_TIME = 1522540801;
uint256 public constant PHASE4_START_TIME = 1523750401;
uint256 public constant PHASE5_START_TIME = 1525046401;
uint256 public constant END_TIME = 1526428799;
uint256 public constant TIER1_RATE = 16000;
uint256 public constant TIER2_RATE = 15000;
uint256 public constant TIER3_RATE = 14000;
uint256 public constant TIER4_RATE = 12000;
uint256 public constant TIER5_RATE = 10000;
uint256 public constant CONTRIBUTION_MIN = 1 * 10 ** 16;
uint256 public constant CONTRIBUTION_MAX = 100000 ether;
uint256 public constant MAX_TOKENS_SALE = 1660000000 * DECIMALSFACTOR;
uint256 public constant MAX_TOKENS_FOUNDERS = 100000000 * DECIMALSFACTOR;
uint256 public constant MAX_TOKENS_RESERVE = 100000000 * DECIMALSFACTOR;
uint256 public constant MAX_TOKENS_AIRDROPS_BOUNTIES = 80000000 * DECIMALSFACTOR;
uint256 public constant MAX_TOKENS_ADVISORS_PARTNERS = 60000000 * DECIMALSFACTOR;
}
contract GYMRewardsToken is MintableToken, TokenConfig {
string public constant name = TOKEN_NAME;
string public constant symbol = TOKEN_SYMBOL;
uint8 public constant decimals = TOKEN_DECIMALS;
}
contract GYMRewardsCrowdsale is Pausable, TokenSaleConfig {
using SafeMath for uint256;
GYMRewardsToken public token;
uint256 public startTime;
uint256 public tier2Time;
uint256 public tier3Time;
uint256 public tier4Time;
uint256 public tier5Time;
uint256 public endTime;
address public wallet = 0xE38cc3F48b4F98Cb3577aC75bB96DBBc87bc57d6;
address public airdrop_wallet = 0x5Fec898d08801Efd884A1162Fd159474757D422F;
address public reserve_wallet = 0x2A0Fc31cDE12a74143D7B9642423a2D8a3453b07;
address public founders_wallet = 0x5C11b5aF9f1b4CDEeab9f6BebEd4EdbAe67900C3;
address public advisors_wallet = 0xD8A1a54DcECe365C56B98EbDb9078Bdb2FA609da;
uint256 public weiRaised;
uint256 public tokensMintedForSale;
uint256 public tokensMintedForOperations;
bool public isFinalized = false;
bool public opMinted = false;
event Finalized();
modifier onlyDuringSale() {
require(hasStarted() && !hasEnded());
_;
}
modifier onlyAfterSale() {
require(hasEnded());
_;
}
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
event BountiesMinted(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
event LongTermReserveMinted(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
event CoreTeamMinted(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
event AdvisorsAndPartnersMinted(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
function GYMRewardsCrowdsale() public {
token = createTokenContract();
startTime = START_TIME;
tier2Time = PHASE2_START_TIME;
tier3Time = PHASE3_START_TIME;
tier4Time = PHASE4_START_TIME;
tier5Time = PHASE5_START_TIME;
endTime = END_TIME;
mintBounties();
}
function createTokenContract() internal returns (GYMRewardsToken) {
return new GYMRewardsToken();
}
function () public payable whenNotPaused onlyDuringSale {
buyTokens(msg.sender);
}
function mintBounties() public onlyOwner{
if (opMinted == false)
{
opMinted = true;
tokensMintedForOperations = tokensMintedForOperations.add(MAX_TOKENS_AIRDROPS_BOUNTIES);
token.mint(airdrop_wallet, MAX_TOKENS_AIRDROPS_BOUNTIES);
tokensMintedForOperations = tokensMintedForOperations.add(MAX_TOKENS_RESERVE);
token.mint(reserve_wallet, MAX_TOKENS_RESERVE);
tokensMintedForOperations = tokensMintedForOperations.add(MAX_TOKENS_FOUNDERS);
token.mint(founders_wallet, MAX_TOKENS_FOUNDERS);
tokensMintedForOperations = tokensMintedForOperations.add(MAX_TOKENS_ADVISORS_PARTNERS);
token.mint(advisors_wallet, MAX_TOKENS_ADVISORS_PARTNERS);
BountiesMinted(owner, airdrop_wallet, MAX_TOKENS_AIRDROPS_BOUNTIES, MAX_TOKENS_AIRDROPS_BOUNTIES);
LongTermReserveMinted(owner, reserve_wallet, MAX_TOKENS_RESERVE, MAX_TOKENS_RESERVE);
CoreTeamMinted(owner, founders_wallet, MAX_TOKENS_FOUNDERS, MAX_TOKENS_FOUNDERS);
AdvisorsAndPartnersMinted(owner, advisors_wallet, MAX_TOKENS_ADVISORS_PARTNERS, MAX_TOKENS_ADVISORS_PARTNERS);
}
}
function buyTokens(address beneficiary) public payable whenNotPaused onlyDuringSale {
require(beneficiary != address(0));
require(msg.value > 0);
uint256 weiAmount = msg.value;
uint256 exchangeRate = calculateTierBonus();
uint256 tokens = weiAmount.mul(exchangeRate);
require (tokensMintedForSale <= MAX_TOKENS_SALE);
weiRaised = weiRaised.add(weiAmount);
tokensMintedForSale = tokensMintedForSale.add(tokens);
token.mint(beneficiary, tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
if (tokensMintedForSale >= MAX_TOKENS_SALE) {
finalizeInternal();
}
forwardFunds();
}
function calculateTierBonus() public view returns (uint256){
if(now >= startTime && now < tier2Time){
return TIER1_RATE;
}
if(now >= tier2Time && now < tier3Time){
return TIER2_RATE;
}
if(now >= tier3Time && now <= tier4Time){
return TIER3_RATE;
}
if(now >= tier4Time && now <= tier5Time){
return TIER4_RATE;
}
if(now >= tier5Time && now <= endTime){
return TIER5_RATE;
}
}
function finalizeInternal() internal returns (bool) {
require(!isFinalized);
isFinalized = true;
Finalized();
return true;
}
function forwardFunds() internal {
wallet.transfer(msg.value);
}
function hasEnded() public constant returns (bool) {
bool _saleIsOver = now > endTime;
return _saleIsOver || isFinalized;
}
function hasStarted() public constant returns (bool) {
return now >= startTime;
}
function tellTime() public constant returns (uint) {
return now;
}
function totalSupply() public constant returns(uint256)
{
return tokensMintedForSale + tokensMintedForOperations;
}
}