Address Contract Partially Verified
Address
0xe38AB2AD0e3e85983f76Fe235b6A9869Cda0502d
Balance
0 ETH
Nonce
1
Code Size
5082 bytes
Creator
0x385afC3D...516C at tx 0xa8937bad...266b2f
Indexed Transactions
0
Contract Bytecode
5082 bytes
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Verified Source Code Partial Match
Compiler: v0.4.12+commit.194ff033
Optimization: No
ALSC.sol 155 lines
/**
*Submitted for verification at Etherscan.io on 2017-07-06
*/
pragma solidity ^0.4.12;
/**
* Math operations with safety checks
*/
contract SafeMath {
function safeMul(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function safeDiv(uint256 a, uint256 b) internal returns (uint256) {
assert(b > 0);
uint256 c = a / b;
assert(a == b * c + a % b);
return c;
}
function safeSub(uint256 a, uint256 b) internal returns (uint256) {
assert(b <= a);
return a - b;
}
function safeAdd(uint256 a, uint256 b) internal returns (uint256) {
uint256 c = a + b;
assert(c>=a && c>=b);
return c;
}
function assert(bool assertion) internal {
if (!assertion) {
throw;
}
}
}
contract owned {
address public owner;
function owned() {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
//所有权转移
function transferOwnership(address newOwner) onlyOwner {
owner = newOwner;
}
}
contract ALSC is SafeMath,owned{
string public name;
string public symbol;
uint8 public decimals;
uint256 public totalSupply;
/* This creates an array with all balances */
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
mapping (address => bool) public frozenAccount;
event FrozenFunds(address target, bool frozen);
/* This generates a public event on the blockchain that will notify clients */
event Transfer(address indexed from, address indexed to, uint256 value);
/* This notifies clients about the amount frozen */
event Freeze(address indexed from, uint256 value);
/* This notifies clients about the amount unfrozen */
event Unfreeze(address indexed from, uint256 value);
event Burn(address indexed from, uint256 value);
/* Initializes contract with initial supply tokens to the creator of the contract */
function ALSC() {
decimals = 18; // Amount of decimals for display purposes
totalSupply = 3100000000 * (10 ** uint256(decimals)); // Update total supply
balanceOf[msg.sender] = totalSupply; // Give the creator all initial tokens
name = "Almighty Safely Chain"; // Set the name for display purposes
symbol = "ALSC"; // Set the symbol for display purposes
}
/* Send coins */
function transfer(address _to, uint256 _value) {
if (_to == 0x0) throw; // Prevent transfer to 0x0 address. Use burn() instead
if (_value <= 0) throw;
require(!frozenAccount[msg.sender]);
if (balanceOf[msg.sender] < _value) throw; // Check if the sender has enough
if (balanceOf[_to] + _value < balanceOf[_to]) throw; // Check for overflows
balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender
balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value); // Add the same to the recipient
Transfer(msg.sender, _to, _value); // Notify anyone listening that this transfer took place
}
/* Allow another contract to spend some tokens in your behalf */
function approve(address _spender, uint256 _value)
returns (bool success) {
if (_value <= 0) throw;
allowance[msg.sender][_spender] = _value;
return true;
}
/* A contract attempts to get the coins */
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
if (_to == 0x0) throw; // Prevent transfer to 0x0 address. Use burn() instead
if (_value <= 0) throw;
require(!frozenAccount[msg.sender]);
if (balanceOf[_from] < _value) throw; // Check if the sender has enough
if (balanceOf[_to] + _value < balanceOf[_to]) throw; // Check for overflows
if (_value > allowance[_from][msg.sender]) throw; // Check allowance
balanceOf[_from] = SafeMath.safeSub(balanceOf[_from], _value); // Subtract from the sender
balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value); // Add the same to the recipient
allowance[_from][msg.sender] = SafeMath.safeSub(allowance[_from][msg.sender], _value);
Transfer(_from, _to, _value);
return true;
}
function burn(uint256 _value) returns (bool success) {
if (balanceOf[msg.sender] < _value) throw; // Check if the sender has enough
if (_value <= 0) throw;
balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender
totalSupply = SafeMath.safeSub(totalSupply,_value); // Updates totalSupply
Burn(msg.sender, _value);
return true;
}
function freezeAccount(address target, bool freeze) onlyOwner {
frozenAccount[target] = freeze;
FrozenFunds(target, freeze);
}
// transfer balance to owner
function withdrawEther(uint256 amount) {
if(msg.sender != owner)throw;
owner.transfer(amount);
}
// can accept ether
function() payable {
}
}
Write Contract 15 functions
These functions modify contract state and require a wallet transaction to execute.
allowance 0xdd62ed3e
address
address
returns: uint256
approve 0x095ea7b3
address _spender
uint256 _value
returns: bool
balanceOf 0x70a08231
address
returns: uint256
burn 0x42966c68
uint256 _value
returns: bool
decimals 0x313ce567
No parameters
returns: uint8
freezeAccount 0xe724529c
address target
bool freeze
frozenAccount 0xb414d4b6
address
returns: bool
name 0x06fdde03
No parameters
returns: string
owner 0x8da5cb5b
No parameters
returns: address
symbol 0x95d89b41
No parameters
returns: string
totalSupply 0x18160ddd
No parameters
returns: uint256
transfer 0xa9059cbb
address _to
uint256 _value
transferFrom 0x23b872dd
address _from
address _to
uint256 _value
returns: bool
transferOwnership 0xf2fde38b
address newOwner
withdrawEther 0x3bed33ce
uint256 amount
Recent Transactions
No transactions found for this address