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pragma solidity ^0.4.4;
contract SafeMath{
function safeMul(uint a, uint b) internal returns (uint) {
uint c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function safeDiv(uint a, uint b) internal returns (uint) {
assert(b > 0);
uint c = a / b;
assert(a == b * c + a % b);
return c;
}
function safeSub(uint a, uint b) internal returns (uint) {
assert(b <= a);
return a - b;
}
function safeAdd(uint a, uint b) internal returns (uint) {
uint c = a + b;
assert(c >= a);
return c;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
contract ERC20{
function totalSupply() constant returns (uint256 totalSupply) {}
function balanceOf(address _owner) constant returns (uint256 balance) {}
function transfer(address _recipient, uint256 _value) returns (bool success) {}
function transferFrom(address _from, address _recipient, uint256 _value) returns (bool success) {}
function approve(address _spender, uint256 _value) returns (bool success) {}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _recipient, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract Snbtoken is ERC20, SafeMath{
mapping(address => uint256) balances;
uint256 public totalSupply;
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function transfer(address _to, uint256 _value) returns (bool success){
balances[msg.sender] = safeSub(balances[msg.sender], _value);
balances[_to] = safeAdd(balances[_to], _value);
Transfer(msg.sender, _to, _value);
return true;
}
mapping (address => mapping (address => uint256)) allowed;
function transferFrom(address _from, address _to, uint256 _value) returns (bool success){
var _allowance = allowed[_from][msg.sender];
balances[_to] = safeAdd(balances[_to], _value);
balances[_from] = safeSub(balances[_from], _value);
allowed[_from][msg.sender] = safeSub(_allowance, _value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
string public name = "SNB - Network for the Blind";
string public symbol = "SNB";
uint public decimals = 0;
uint public INITIAL_SUPPLY = 70000000;
function Snbtoken() {
totalSupply = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
}
}
contract SnbtokenICO is ERC20, SafeMath{
mapping(address => uint256) balances;
uint256 public totalSupply;
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function transfer(address _to, uint256 _value) returns (bool success){
balances[msg.sender] = safeSub(balances[msg.sender], _value);
balances[_to] = safeAdd(balances[_to], _value);
Transfer(msg.sender, _to, _value);
return true;
}
mapping (address => mapping (address => uint256)) allowed;
function transferFrom(address _from, address _to, uint256 _value) returns (bool success){
var _allowance = allowed[_from][msg.sender];
balances[_to] = safeAdd(balances[_to], _value);
balances[_from] = safeSub(balances[_from], _value);
allowed[_from][msg.sender] = safeSub(_allowance, _value);
Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
uint256 public endTime;
uint256 public price;
modifier during_offering_time(){
if(now>1513911600)
{
price = 2231;
}
else if(now>1513306800)
{
price = 2491;
}
else if(now>1512702000)
{
price = 2708;
}
else if(now>1512025200)
{
price = 3032;
}
else if(now>1511589600) ///1511589600 ///1511938800
{
price = 3249;
}
else
{
price = 500;
}
if (now >= endTime){
throw;
}else{
_;
}
}
function () payable during_offering_time {
createTokens(msg.sender);
}
function createTokens(address recipient) payable {
if (msg.value == 0) {
throw;
}
uint tokens = safeDiv(safeMul(msg.value, price), 1 ether);
totalSupply = safeAdd(totalSupply, tokens);
balances[recipient] = safeAdd(balances[recipient], tokens);
if (!owner.send(msg.value)) {
throw;
}
}
string public name = "SNB - Network for the Blind";
string public symbol = "SNB";
uint public decimals = 0;
uint256 public INITIAL_SUPPLY = 70000000;
uint256 public SALES_SUPPLY = 130000000;
address public owner;
function SnbtokenICO() {
totalSupply = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
owner = msg.sender;
price = 500;
endTime = 1514617200;
}
}
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