Contract Source Code:
File 1 of 1 : MyToken
pragma solidity ^0.4.18;
// ----------------------------------------------------------------------------
// Safe maths
// ----------------------------------------------------------------------------
contract SafeMath {
function safeAdd(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function safeMul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function safeDiv(uint a, uint b) internal pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// ----------------------------------------------------------------------------
contract ERC20Interface {
function totalSupply() public constant returns (uint);
function balanceOf(address tokenOwner) public constant returns (uint balance);
function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event TransferSell(address indexed from, uint tokens, uint eth);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
// ----------------------------------------------------------------------------
// Contract function to receive approval and execute function in one call
//
// Borrowed from MiniMeToken
// ----------------------------------------------------------------------------
contract ApproveAndCallFallBack {
function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
}
// ----------------------------------------------------------------------------
// Owned contract
// ----------------------------------------------------------------------------
contract Owned {
address public owner;
address public newOwner;
event OwnershipTransferred(address indexed _from, address indexed _to);
function Owned() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
owner = newOwner;
}
// function acceptOwnership() public {
// require(msg.sender == newOwner);
// OwnershipTransferred(owner, newOwner);
// owner = newOwner;
// newOwner = address(0);
// }
}
// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals
// Receives ETH and generates tokens
// ----------------------------------------------------------------------------
contract MyToken is ERC20Interface, Owned, SafeMath {
string public symbol;
string public name;
uint8 public decimals;
uint public totalSupply;
uint public sellRate;
uint public buyRate;
uint public startTime;
uint public endTime;
address[] admins;
struct lockPosition{
uint time;
uint count;
uint releaseRate;
uint lockTime;
}
struct lockPosition1{
uint8 typ; // 1 2 3 4
uint count;
uint time1;
uint8 releaseRate1;
uint time2;
uint8 releaseRate2;
uint time3;
uint8 releaseRate3;
uint time4;
uint8 releaseRate4;
}
mapping(address => lockPosition) private lposition;
mapping(address => lockPosition1) public lposition1;
// locked account dictionary that maps addresses to boolean
mapping (address => bool) public lockedAccounts;
mapping (address => bool) public isAdmin;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
modifier is_not_locked(address _address) {
if (lockedAccounts[_address] == true) revert();
_;
}
modifier validate_address(address _address) {
if (_address == address(0)) revert();
_;
}
modifier is_admin {
if (isAdmin[msg.sender] != true && msg.sender != owner) revert();
_;
}
modifier validate_position(address _address,uint count) {
if(count <= 0) revert();
if(balances[_address] < count) revert();
if(lposition[_address].count > 0 && safeSub(balances[_address],count) < lposition[_address].count && now < lposition[_address].time) revert();
if(lposition1[_address].count > 0 && safeSub(balances[_address],count) < lposition1[_address].count && now < lposition1[_address].time1) revert();
checkPosition1(_address,count);
checkPosition(_address,count);
_;
}
function checkPosition(address _address,uint count) private view {
if(lposition[_address].releaseRate < 100 && lposition[_address].count > 0){
uint _rate = safeDiv(100,lposition[_address].releaseRate);
uint _time = lposition[_address].time;
uint _tmpRate = lposition[_address].releaseRate;
uint _tmpRateAll = 0;
uint _count = 0;
for(uint _a=1;_a<=_rate;_a++){
if(now >= _time){
_count = _a;
_tmpRateAll = safeAdd(_tmpRateAll,_tmpRate);
_time = safeAdd(_time,lposition[_address].lockTime);
}
}
uint _tmp1 = safeSub(balances[_address],count);
uint _tmp2 = safeSub(lposition[_address].count,safeDiv(lposition[_address].count*_tmpRateAll,100));
if(_count < _rate && _tmp1 < _tmp2 && now >= lposition[_address].time) revert();
}
}
function checkPosition1(address _address,uint count) private view {
if(lposition1[_address].releaseRate1 < 100 && lposition1[_address].count > 0){
uint _tmpRateAll = 0;
if(lposition1[_address].typ == 2 && now < lposition1[_address].time2){
if(now >= lposition1[_address].time1){
_tmpRateAll = lposition1[_address].releaseRate1;
}
}
if(lposition1[_address].typ == 3 && now < lposition1[_address].time3){
if(now >= lposition1[_address].time1){
_tmpRateAll = lposition1[_address].releaseRate1;
}
if(now >= lposition1[_address].time2){
_tmpRateAll = safeAdd(lposition1[_address].releaseRate2,_tmpRateAll);
}
}
if(lposition1[_address].typ == 4 && now < lposition1[_address].time4){
if(now >= lposition1[_address].time1){
_tmpRateAll = lposition1[_address].releaseRate1;
}
if(now >= lposition1[_address].time2){
_tmpRateAll = safeAdd(lposition1[_address].releaseRate2,_tmpRateAll);
}
if(now >= lposition1[_address].time3){
_tmpRateAll = safeAdd(lposition1[_address].releaseRate3,_tmpRateAll);
}
}
uint _tmp1 = safeSub(balances[_address],count);
uint _tmp2 = safeSub(lposition1[_address].count,safeDiv(lposition1[_address].count*_tmpRateAll,100));
if(_tmpRateAll > 0){
if(_tmp1 < _tmp2) revert();
}
}
}
event _lockAccount(address _add);
event _unlockAccount(address _add);
function () public payable{
uint tokens;
require(owner != msg.sender);
require(now >= startTime && now < endTime);
require(buyRate > 0);
require(msg.value >= 0.1 ether && msg.value <= 1000 ether);
tokens = safeDiv(msg.value,(1 ether * 1 wei / buyRate));
require(balances[owner] >= tokens * 10**uint(decimals));
balances[msg.sender] = safeAdd(balances[msg.sender], tokens * 10**uint(decimals));
balances[owner] = safeSub(balances[owner], tokens * 10**uint(decimals));
Transfer(owner,msg.sender,tokens * 10**uint(decimals));
}
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
function MyToken(uint _sellRate,uint _buyRate,string _symbo1,string _name,uint _startTime,uint _endTime) public payable {
require(_sellRate >0 && _buyRate > 0);
require(_startTime < _endTime);
symbol = _symbo1;
name = _name;
decimals = 8;
totalSupply = 2000000000 * 10**uint(decimals);
balances[owner] = totalSupply;
Transfer(address(0), owner, totalSupply);
sellRate = _sellRate;
buyRate = _buyRate;
endTime = _endTime;
startTime = _startTime;
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to `to` account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public is_not_locked(msg.sender) validate_position(msg.sender,tokens) returns (bool success) {
require(to != msg.sender);
require(tokens > 0);
require(balances[msg.sender] >= tokens);
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public is_not_locked(msg.sender) is_not_locked(spender) validate_position(msg.sender,tokens) returns (bool success) {
require(spender != msg.sender);
require(tokens > 0);
require(balances[msg.sender] >= tokens);
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer `tokens` from the `from` account to the `to` account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the `from` account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public is_not_locked(msg.sender) is_not_locked(from) validate_position(from,tokens) returns (bool success) {
require(transferFromCheck(from,to,tokens));
return true;
}
function transferFromCheck(address from,address to,uint tokens) private returns (bool success) {
require(tokens > 0);
require(from != msg.sender && msg.sender != to && from != to);
require(balances[from] >= tokens && allowed[from][msg.sender] >= tokens);
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account. The `spender` contract function
// `receiveApproval(...)` is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Sall a token from a contract
// ------------------------------------------------------------------------
function sellCoin(address seller, uint amount) public onlyOwner is_not_locked(seller) validate_position(seller,amount* 10**uint(decimals)) {
require(balances[seller] >= safeMul(amount,10**uint(decimals)));
require(sellRate > 0);
require(seller != msg.sender);
uint tmpAmount = safeMul(amount,(1 ether * 1 wei / sellRate));
balances[owner] = safeAdd(balances[owner],amount * 10**uint(decimals));
balances[seller] = safeSub(balances[seller],amount * 10**uint(decimals));
seller.transfer(tmpAmount);
TransferSell(seller, amount * 10**uint(decimals), tmpAmount);
}
// set rate
function setConfig(uint _buyRate,uint _sellRate,string _symbol,string _name,uint _startTime,uint _endTime) public onlyOwner {
require((_buyRate == 0 && _sellRate == 0) || (_buyRate < _sellRate && _buyRate > 0 && _sellRate > 0) || (_buyRate < sellRate && _buyRate > 0 && _sellRate == 0) || (buyRate < _sellRate && _buyRate == 0 && _sellRate > 0));
if(_buyRate > 0){
buyRate = _buyRate;
}
if(sellRate > 0){
sellRate = _sellRate;
}
if(_startTime > 0){
startTime = _startTime;
}
if(_endTime > 0){
endTime = _endTime;
}
symbol = _symbol;
name = _name;
}
// lockAccount
function lockStatus(address _add,bool _success) public validate_address(_add) is_admin {
lockedAccounts[_add] = _success;
_lockAccount(_add);
}
// setIsAdmin
function setIsAdmin(address _add,bool _success) public validate_address(_add) onlyOwner {
isAdmin[_add] = _success;
if(_success == true){
admins[admins.length++] = _add;
}else{
for (uint256 i;i < admins.length;i++){
if(admins[i] == _add){
delete admins[i];
}
}
}
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
//set lock position
function setLockPostion(address _add,uint _count,uint _time,uint _releaseRate,uint _lockTime) public is_not_locked(_add) onlyOwner {
require(lposition1[_add].count == 0);
require(balances[_add] >= safeMul(_count,10**uint(decimals)));
require(_time > now);
require(_count > 0 && _lockTime > 0);
require(_releaseRate > 0 && _releaseRate < 100);
require(_releaseRate == 2 || _releaseRate == 4 || _releaseRate == 5 || _releaseRate == 10 || _releaseRate == 20 || _releaseRate == 25 || _releaseRate == 50);
lposition[_add].time = _time;
lposition[_add].count = _count * 10**uint(decimals);
lposition[_add].releaseRate = _releaseRate;
lposition[_add].lockTime = _lockTime;
}
//get lockPosition info
function getLockPosition(address _add) public view returns(uint time,uint count,uint rate,uint scount,uint _lockTime) {
return (lposition[_add].time,lposition[_add].count,lposition[_add].releaseRate,positionScount(_add),lposition[_add].lockTime);
}
function positionScount(address _add) private view returns (uint count){
uint _rate = safeDiv(100,lposition[_add].releaseRate);
uint _time = lposition[_add].time;
uint _tmpRate = lposition[_add].releaseRate;
uint _tmpRateAll = 0;
for(uint _a=1;_a<=_rate;_a++){
if(now >= _time){
_tmpRateAll = safeAdd(_tmpRateAll,_tmpRate);
_time = safeAdd(_time,lposition[_add].lockTime);
}
}
return (lposition[_add].count - safeDiv(lposition[_add].count*_tmpRateAll,100));
}
//set lock position
function setLockPostion1(address _add,uint _count,uint8 _typ,uint _time1,uint8 _releaseRate1,uint _time2,uint8 _releaseRate2,uint _time3,uint8 _releaseRate3,uint _time4,uint8 _releaseRate4) public is_not_locked(_add) onlyOwner {
require(_count > 0);
require(_time1 > now);
require(_releaseRate1 > 0);
require(_typ >= 1 && _typ <= 4);
require(balances[_add] >= safeMul(_count,10**uint(decimals)));
require(safeAdd(safeAdd(_releaseRate1,_releaseRate2),safeAdd(_releaseRate3,_releaseRate4)) == 100);
require(lposition[_add].count == 0);
if(_typ == 1){
require(_time2 == 0 && _releaseRate2 == 0 && _time3 == 0 && _releaseRate3 == 0 && _releaseRate4 == 0 && _time4 == 0);
}
if(_typ == 2){
require(_time2 > _time1 && _releaseRate2 > 0 && _time3 == 0 && _releaseRate3 == 0 && _releaseRate4 == 0 && _time4 == 0);
}
if(_typ == 3){
require(_time2 > _time1 && _releaseRate2 > 0 && _time3 > _time2 && _releaseRate3 > 0 && _releaseRate4 == 0 && _time4 == 0);
}
if(_typ == 4){
require(_time2 > _time1 && _releaseRate2 > 0 && _releaseRate3 > 0 && _time3 > _time2 && _time4 > _time3 && _releaseRate4 > 0);
}
lockPostion1Add(_typ,_add,_count,_time1,_releaseRate1,_time2,_releaseRate2,_time3,_releaseRate3,_time4,_releaseRate4);
}
function lockPostion1Add(uint8 _typ,address _add,uint _count,uint _time1,uint8 _releaseRate1,uint _time2,uint8 _releaseRate2,uint _time3,uint8 _releaseRate3,uint _time4,uint8 _releaseRate4) private {
lposition1[_add].typ = _typ;
lposition1[_add].count = _count * 10**uint(decimals);
lposition1[_add].time1 = _time1;
lposition1[_add].releaseRate1 = _releaseRate1;
lposition1[_add].time2 = _time2;
lposition1[_add].releaseRate2 = _releaseRate2;
lposition1[_add].time3 = _time3;
lposition1[_add].releaseRate3 = _releaseRate3;
lposition1[_add].time4 = _time4;
lposition1[_add].releaseRate4 = _releaseRate4;
}
//get lockPosition1 info
function getLockPosition1(address _add) public view returns(uint count,uint Scount,uint8 _typ,uint8 _rate1,uint8 _rate2,uint8 _rate3,uint8 _rate4) {
return (lposition1[_add].count,positionScount1(_add),lposition1[_add].typ,lposition1[_add].releaseRate1,lposition1[_add].releaseRate2,lposition1[_add].releaseRate3,lposition1[_add].releaseRate4);
}
function positionScount1(address _address) private view returns (uint count){
uint _tmpRateAll = 0;
if(lposition1[_address].typ == 2 && now < lposition1[_address].time2){
if(now >= lposition1[_address].time1){
_tmpRateAll = lposition1[_address].releaseRate1;
}
}
if(lposition1[_address].typ == 3 && now < lposition1[_address].time3){
if(now >= lposition1[_address].time1){
_tmpRateAll = lposition1[_address].releaseRate1;
}
if(now >= lposition1[_address].time2){
_tmpRateAll = safeAdd(lposition1[_address].releaseRate2,_tmpRateAll);
}
}
if(lposition1[_address].typ == 4 && now < lposition1[_address].time4){
if(now >= lposition1[_address].time1){
_tmpRateAll = lposition1[_address].releaseRate1;
}
if(now >= lposition1[_address].time2){
_tmpRateAll = safeAdd(lposition1[_address].releaseRate2,_tmpRateAll);
}
if(now >= lposition1[_address].time3){
_tmpRateAll = safeAdd(lposition1[_address].releaseRate3,_tmpRateAll);
}
}
if((lposition1[_address].typ == 1 && now >= lposition1[_address].time1) || (lposition1[_address].typ == 2 && now >= lposition1[_address].time2) || (lposition1[_address].typ == 3 && now >= lposition1[_address].time3) || (lposition1[_address].typ == 4 && now >= lposition1[_address].time4)){
return 0;
}
if(_tmpRateAll > 0){
return (safeSub(lposition1[_address].count,safeDiv(lposition1[_address].count*_tmpRateAll,100)));
}else{
return lposition1[_address].count;
}
}
// batchTransfer
function batchTransfer(address[] _adds,uint256 _tokens) public is_admin returns(bool success) {
require(balances[msg.sender] >= safeMul(_adds.length,_tokens));
require(lposition[msg.sender].count == 0 && lposition1[msg.sender].count == 0);
for (uint256 i = 0; i < _adds.length; i++) {
uint256 _tmpTokens = _tokens;
address _tmpAdds = _adds[i];
balances[msg.sender] = safeSub(balances[msg.sender], _tmpTokens);
balances[_tmpAdds] = safeAdd(balances[_tmpAdds], _tmpTokens);
Transfer(msg.sender,_tmpAdds,_tmpTokens);
}
return true;
}
}