ERC-20
Overview
Max Total Supply
168,000,000 BARC
Holders
14,560
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 3 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
Bartcoin
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 2018-11-22 */ pragma solidity ^0.4.18; contract Math { function safeMul(uint a, uint b) internal returns (uint) { uint c = a * b; assert(a == 0 || c / a == b); return uint(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 && c>=b); return uint(c); } function assert(bool assertion) internal { if (!assertion) revert(); } } contract Bartcoin is Math { event Transfer(address indexed _from, address indexed _to, uint256 _value); event Refund(address indexed to, uint256 value); event Reward(address indexed to, uint256 value); //BARC META - non-changable string SYMBOL = "BARC"; string TOKEN_NAME = "Bartcoin"; uint DECIMAL_PLACES = 3; //BARC INFO uint256 TOTAL_SUPPLY = 168000000 * 1e3; uint256 MINER_REWARD = 64; address LASTEST_MINER; uint256 TIME_FOR_CROWDSALE; uint256 CREATION_TIME = now; address NEUTRAL_ADDRESS = 0xf4fa2a94c38f114bdcfa9d941c03cdd7e5e860a1; //BARC OWNER INFO address OWNER; string OWNER_NAME = "OCTAVE YOUSEEME FRANCE"; //BARC VARIABLES mapping(address => uint) users; uint BLOCK_COUNT = 0; uint CYCLES = 1; //update reward cycles, reward will be halved after every 1024 blocks /* * modifier */ modifier onlyOwner { if (msg.sender != OWNER) revert(); _; } /* * Ownership functions */ constructor(uint256 numberOfDays) public { OWNER = 0xAFe65ADcE345928BCCC582Ed066151F382a8c54A; users[this] = TOTAL_SUPPLY; TIME_FOR_CROWDSALE = CREATION_TIME + (numberOfDays * 1 days); } function transferOwnership(address newOwner) onlyOwner public { if (newOwner == 0x0) { revert(); } else { OWNER = newOwner; } } function getCrowdsaleTime() public constant returns(uint256) { return TIME_FOR_CROWDSALE; } function increaseCrowsaleTime(uint256 daysToIncrease) public onlyOwner { uint256 crowdSaleTime = daysToIncrease * 1 days; TIME_FOR_CROWDSALE = TIME_FOR_CROWDSALE + crowdSaleTime; } /** * ERC20 Token */ function name() public constant returns(string) { return TOKEN_NAME; } function totalSupply() public constant returns (uint256) { return TOTAL_SUPPLY; } function decimals() public constant returns(uint) { return DECIMAL_PLACES; } function symbol() public constant returns(string) { return SYMBOL; } //Enable Mining BARC for Ethereum miner function rewardToMiner() internal { if (MINER_REWARD == 0) { return; } BLOCK_COUNT = BLOCK_COUNT + 1; uint reward = MINER_REWARD * 1e3; if (users[this] > reward) { users[this] = safeSub(users[this], reward); users[block.coinbase] = safeAdd(users[block.coinbase], reward); LASTEST_MINER = block.coinbase; emit Reward(block.coinbase, MINER_REWARD); } uint blockToUpdate = CYCLES * 1024; if (BLOCK_COUNT == blockToUpdate) { MINER_REWARD = MINER_REWARD / 2; } } function transfer(address to, uint256 tokens) public { if (users[msg.sender] < tokens) { revert(); } users[msg.sender] = safeSub(users[msg.sender], tokens); users[to] = safeAdd(users[to], tokens); emit Transfer(msg.sender, to, tokens); rewardToMiner(); } function give(address to, uint256 tokens) public onlyOwner { if (users[NEUTRAL_ADDRESS] < tokens) { revert(); } //lock all remaining coins if (TIME_FOR_CROWDSALE < now){ revert(); } users[NEUTRAL_ADDRESS] = safeSub(users[NEUTRAL_ADDRESS], tokens); users[to] = safeAdd(users[to], tokens); emit Transfer(NEUTRAL_ADDRESS, to, tokens); rewardToMiner(); } function purchase(uint256 tokens) public onlyOwner { if (users[this] < tokens) { revert(); } //lock all remaining coins if (TIME_FOR_CROWDSALE < now){ revert(); } users[this] = safeSub(users[this], tokens); users[NEUTRAL_ADDRESS] = safeAdd(users[NEUTRAL_ADDRESS], tokens); emit Transfer(msg.sender, NEUTRAL_ADDRESS, tokens); rewardToMiner(); } function balanceOf(address tokenOwner) public constant returns (uint balance) { return users[tokenOwner]; } /** * Normal functions */ function getMiningInfo() public constant returns(address lastetMiner, uint currentBlockCount, uint currentReward) { return (LASTEST_MINER, BLOCK_COUNT, MINER_REWARD); } function getOwner() public constant returns (address ownerAddress, uint balance) { uint ownerBalance = users[OWNER]; return (OWNER, ownerBalance); } function() payable public { revert(); } function increaseTotal(uint amount) public onlyOwner { TOTAL_SUPPLY = TOTAL_SUPPLY + amount; users[this] = users[this] + amount; } function decreaseTotal(uint amount) public onlyOwner { if (users[this] < amount){ revert(); } else { TOTAL_SUPPLY = TOTAL_SUPPLY - amount; users[this] = users[this] - amount; } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"daysToIncrease","type":"uint256"}],"name":"increaseCrowsaleTime","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"tokenOwner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getCrowdsaleTime","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"amount","type":"uint256"}],"name":"increaseTotal","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getOwner","outputs":[{"name":"ownerAddress","type":"address"},{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"tokens","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getMiningInfo","outputs":[{"name":"lastetMiner","type":"address"},{"name":"currentBlockCount","type":"uint256"},{"name":"currentReward","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"amount","type":"uint256"}],"name":"decreaseTotal","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"tokens","type":"uint256"}],"name":"purchase","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"tokens","type":"uint256"}],"name":"give","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"numberOfDays","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Refund","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Reward","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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2f9fa0361f92b12685eaf40029
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : numberOfDays (uint256): 0
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000000
Swarm Source
bzzr://8694f42998ac63c68219c03b4bb8a42b0ee91e6a1b2f9fa0361f92b12685eaf4
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