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/** *Submitted for verification at Etherscan.io on 2018-04-09 */ pragma solidity ^0.4.11; contract Migrations { address public owner; uint public last_completed_migration; modifier restricted() { if (msg.sender == owner) _; } function Migrations() { owner = msg.sender; } function setCompleted(uint completed) restricted { last_completed_migration = completed; } function upgrade(address new_address) restricted { Migrations upgraded = Migrations(new_address); upgraded.setCompleted(last_completed_migration); } } contract ERC20 { function totalSupply() constant returns (uint supply); function balanceOf( address who ) constant returns (uint value); function allowance( address owner, address spender ) constant returns (uint _allowance); function transfer( address to, uint value) returns (bool ok); function transferFrom( address from, address to, uint value) returns (bool ok); function approve( address spender, uint value ) returns (bool ok); event Transfer( address indexed from, address indexed to, uint value); event Approval( address indexed owner, address indexed spender, uint value); } contract Lockable { uint public creationTime; bool public lock; bool public tokenTransfer; address public owner; mapping( address => bool ) public unlockaddress; mapping( address => bool ) public lockaddress; event Locked(address lockaddress,bool status); event Unlocked(address unlockedaddress, bool status); // if Token transfer modifier isTokenTransfer { // if token transfer is not allow if(!tokenTransfer) { require(unlockaddress[msg.sender]); } _; } // This modifier check whether the contract should be in a locked // or unlocked state, then acts and updates accordingly if // necessary modifier checkLock { if (lockaddress[msg.sender]) { throw; } _; } modifier isOwner { require(owner == msg.sender); _; } function Lockable() { creationTime = now; tokenTransfer = false; owner = msg.sender; } // Lock Address function lockAddress(address target, bool status) external isOwner { require(owner != target); lockaddress[target] = status; Locked(target, status); } // UnLock Address function unlockAddress(address target, bool status) external isOwner { unlockaddress[target] = status; Unlocked(target, status); } } library SafeMath { function mul(uint a, uint b) internal returns (uint) { uint c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint a, uint b) internal returns (uint) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } function sub(uint a, uint b) internal returns (uint) { assert(b <= a); return a - b; } function add(uint a, uint b) internal returns (uint) { uint c = a + b; assert(c >= a); return c; } function max64(uint64 a, uint64 b) internal constant returns (uint64) { return a >= b ? a : b; } function min64(uint64 a, uint64 b) internal constant returns (uint64) { return a < b ? a : b; } function max256(uint256 a, uint256 b) internal constant returns (uint256) { return a >= b ? a : b; } function min256(uint256 a, uint256 b) internal constant returns (uint256) { return a < b ? a : b; } function assert(bool assertion) internal { if (!assertion) { throw; } } } // ICON ICX Token /// @author DongOk Ryu - <pop@theloop.co.kr> contract IcxToken is ERC20, Lockable { using SafeMath for uint; mapping( address => uint ) _balances; mapping( address => mapping( address => uint ) ) _approvals; uint _supply; address public walletAddress; //event TokenMint(address newTokenHolder, uint amountOfTokens); event TokenBurned(address burnAddress, uint amountOfTokens); event TokenTransfer(); modifier onlyFromWallet { require(msg.sender != walletAddress); _; } function IcxToken( uint initial_balance, address wallet) { require(wallet != 0); require(initial_balance != 0); _balances[msg.sender] = initial_balance; _supply = initial_balance; walletAddress = wallet; } function totalSupply() constant returns (uint supply) { return _supply; } function balanceOf( address who ) constant returns (uint value) { return _balances[who]; } function allowance(address owner, address spender) constant returns (uint _allowance) { return _approvals[owner][spender]; } function transfer( address to, uint value) isTokenTransfer checkLock returns (bool success) { require( _balances[msg.sender] >= value ); _balances[msg.sender] = _balances[msg.sender].sub(value); _balances[to] = _balances[to].add(value); Transfer( msg.sender, to, value ); return true; } function transferFrom( address from, address to, uint value) isTokenTransfer checkLock returns (bool success) { // if you don't have enough balance, throw require( _balances[from] >= value ); // if you don't have approval, throw require( _approvals[from][msg.sender] >= value ); // transfer and return true _approvals[from][msg.sender] = _approvals[from][msg.sender].sub(value); _balances[from] = _balances[from].sub(value); _balances[to] = _balances[to].add(value); Transfer( from, to, value ); return true; } function approve(address spender, uint value) isTokenTransfer checkLock returns (bool success) { _approvals[msg.sender][spender] = value; Approval( msg.sender, spender, value ); return true; } // burnToken burn tokensAmount for sender balance function burnTokens(uint tokensAmount) isTokenTransfer external { require( _balances[msg.sender] >= tokensAmount ); _balances[msg.sender] = _balances[msg.sender].sub(tokensAmount); _supply = _supply.sub(tokensAmount); TokenBurned(msg.sender, tokensAmount); } function enableTokenTransfer() external onlyFromWallet { tokenTransfer = true; TokenTransfer(); } function disableTokenTransfer() external onlyFromWallet { tokenTransfer = false; TokenTransfer(); } } |