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ERC-20
Add Token to MetaMask (Web3)Overview
Max Total Supply
77,777,777 Fzcoin
Holders
3,436
Total Transfers
-
Market
Fully Diluted Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
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| # | Exchange | Pair | Price | 24H Volume | % Volume |
|---|
Contract Name:
Fzcoin
Compiler Version
v0.4.25+commit.59dbf8f1
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/**
*Submitted for verification at Etherscan.io on 2018-10-23
*/
pragma solidity ^0.4.25;
/**
* Math operations with safety checks
*/
contract SafeMath {
function safeMul(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function safeDiv(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b > 0);
uint256 c = a / b;
assert(a == b * c + a % b);
return c;
}
function safeSub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function safeAdd(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c>=a && c>=b);
return c;
}
}
contract Fzcoin is SafeMath {
string public name;
string public symbol;
uint8 public decimals = 18;
uint256 public totalSupply = 77777777 * (10 ** uint256(decimals));
uint256 public airdropSupply = 7777777 * (10 ** uint256(decimals));
uint256 public airdropCount;
mapping(address => bool) airdropTouched;
uint256 public constant airdropCountLimit1 = 20000;
uint256 public constant airdropCountLimit2 = 20000;
uint256 public constant airdropNum1 = 30 * (10 ** uint256(decimals));
uint256 public constant airdropNum2 = 15 * (10 ** uint256(decimals));
address public owner;
/* This creates an array with all balances */
mapping (address => uint256) public balanceOf;
mapping (address => uint256) public freezeOf;
mapping (address => mapping (address => uint256)) public allowance;
/* 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 burnt */
event Burn(address indexed from, 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);
/* Initializes contract with initial supply tokens to the creator of the contract */
function Fzcoin(
uint256 initialSupply,
string tokenName,
string tokenSymbol
) public {
airdropCount = 0;
balanceOf[address(this)] = airdropSupply;
balanceOf[msg.sender] = totalSupply - airdropSupply;
name = tokenName; // Set the name for display purposes
symbol = tokenSymbol; // Set the symbol for display purposes
}
/* Send coins */
function transfer(address _to, uint256 _value) public {
require(_to != 0x0);
require(_value > 0);
require(balanceOf[msg.sender] >= _value);
require(balanceOf[_to] + _value > balanceOf[_to]);
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) public
returns (bool success) {
require(_value > 0);
allowance[msg.sender][_spender] = _value;
return true;
}
/* A contract attempts to get the coins */
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_to != 0x0);
require(_value > 0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to] + _value > balanceOf[_to]);
require(_value <= allowance[_from][msg.sender]);
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) public returns (bool success) {
require(balanceOf[msg.sender] >= _value);
require(_value > 0);
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 freeze(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value);
require(_value > 0);
balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender
freezeOf[msg.sender] = SafeMath.safeAdd(freezeOf[msg.sender], _value); // Updates totalSupply
Freeze(msg.sender, _value);
return true;
}
function unfreeze(uint256 _value) public returns (bool success) {
require(freezeOf[msg.sender] >= _value);
require(_value > 0);
freezeOf[msg.sender] = SafeMath.safeSub(freezeOf[msg.sender], _value); // Subtract from the sender
balanceOf[msg.sender] = SafeMath.safeAdd(balanceOf[msg.sender], _value);
Unfreeze(msg.sender, _value);
return true;
}
// transfer balance to owner
function withdrawEther(uint256 amount) public {
require(msg.sender == owner);
owner.transfer(amount);
}
function () external payable {
require(balanceOf[address(this)] > 0);
require(!airdropTouched[msg.sender]);
require(airdropCount < airdropCountLimit1 + airdropCountLimit2);
airdropTouched[msg.sender] = true;
airdropCount = SafeMath.safeAdd(airdropCount, 1);
if (airdropCount <= airdropCountLimit1) {
_transfer(address(this), msg.sender, airdropNum1);
} else if (airdropCount <= airdropCountLimit1 + airdropCountLimit2) {
_transfer(address(this), msg.sender, airdropNum2);
}
}
function _transfer(address _from, address _to, uint _value) internal {
require(balanceOf[_from] >= _value); // Check if the sender has enough
require(balanceOf[_to] + _value > balanceOf[_to]); // Check for overflows
balanceOf[_from] = SafeMath.safeSub(balanceOf[_from], _value); // Subtract from the sender
balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value); // Add the same to the recipient
Transfer(_from, _to, _value);
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000000000000000000004a2cb71000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000001246726f7a656e636f696e204e6574776f726b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006467a636f696e0000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : initialSupply (uint256): 77777777
Arg [1] : tokenName (string): Frozencoin Network
Arg [2] : tokenSymbol (string): Fzcoin
-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000004a2cb71
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [4] : 46726f7a656e636f696e204e6574776f726b0000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [6] : 467a636f696e0000000000000000000000000000000000000000000000000000
Swarm Source
bzzr://f454a2bebb499ba7b980bcc1f54c6d17cc4fab026ce39f828720a268fb302064
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