文件 1 的 1:Inferno.sol
pragma solidity ^0.5.0;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
function ceil(uint256 a, uint256 m) internal pure returns (uint256) {
uint256 c = add(a,m);
uint256 d = sub(c,1);
return mul(div(d,m),m);
}
}
contract ERC20Detailed is IERC20 {
uint8 private _Tokendecimals;
string private _Tokenname;
string private _Tokensymbol;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_Tokendecimals = decimals;
_Tokenname = name;
_Tokensymbol = symbol;
}
function name() public view returns(string memory) {
return _Tokenname;
}
function symbol() public view returns(string memory) {
return _Tokensymbol;
}
function decimals() public view returns(uint8) {
return _Tokendecimals;
}
}
contract Inferno is ERC20Detailed {
using SafeMath for uint256;
mapping (address => uint256) private _InfernoTokenBalances;
mapping (address => mapping (address => uint256)) private _allowed;
mapping (address => uint256) public _lastClaimBlock;
string constant tokenName = "Inferno";
string constant tokenSymbol = "BLAZE";
uint8 constant tokenDecimals = 18;
uint256 _totalSupply = 2000000e18;
uint256 public _nextClaimAmount = 1000e18;
address public admin;
uint256 public _InfernoFund = 2000000e18;
bool public _allowClaims = false;
address public _communityAccount;
uint256 public _claimPrice = 0;
constructor() public payable ERC20Detailed(tokenName, tokenSymbol, tokenDecimals) {
admin = msg.sender;
_communityAccount = msg.sender;
}
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function myTokens() public view returns (uint256) {
return _InfernoTokenBalances[msg.sender];
}
function balanceOf(address owner) public view returns (uint256) {
return _InfernoTokenBalances[owner];
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
function setAllowClaims(bool _setClaims) public {
require(msg.sender == admin);
_allowClaims = _setClaims;
}
function setCommunityAcccount(address _newAccount) public {
require(msg.sender == admin);
_communityAccount = _newAccount;
}
function setClaimPrice(uint256 _newPrice) public {
require(msg.sender == admin);
_claimPrice = _newPrice;
}
function distributeETH(address payable _to, uint _amount) public {
require(msg.sender == admin);
require(_amount <= address(this).balance);
_to.transfer(_amount);
}
function transfer(address to, uint256 value) public returns (bool) {
require(value <= _InfernoTokenBalances[msg.sender]);
require(to != address(0));
uint256 InfernoTokenDecay = value.div(50);
uint256 tokensToTransfer = value.sub(InfernoTokenDecay);
uint256 communityAmount = value.div(100);
_InfernoTokenBalances[_communityAccount] = _InfernoTokenBalances[_communityAccount].add(communityAmount);
tokensToTransfer = tokensToTransfer.sub(communityAmount);
_InfernoTokenBalances[msg.sender] = _InfernoTokenBalances[msg.sender].sub(value);
_InfernoTokenBalances[to] = _InfernoTokenBalances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(InfernoTokenDecay);
emit Transfer(msg.sender, to, tokensToTransfer);
emit Transfer(msg.sender, address(0), InfernoTokenDecay);
emit Transfer(msg.sender, _communityAccount, communityAmount);
return true;
}
function multiTransfer(address[] memory receivers, uint256[] memory amounts) public {
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
}
}
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function transferFrom(address from, address to, uint256 value) public returns (bool) {
require(value <= _InfernoTokenBalances[from]);
require(value <= _allowed[from][msg.sender]);
require(to != address(0));
_InfernoTokenBalances[from] = _InfernoTokenBalances[from].sub(value);
uint256 InfernoTokenDecay = value.div(50);
uint256 tokensToTransfer = value.sub(InfernoTokenDecay);
uint256 communityAmount = value.div(100);
_InfernoTokenBalances[_communityAccount] = _InfernoTokenBalances[_communityAccount].add(communityAmount);
tokensToTransfer = tokensToTransfer.sub(communityAmount);
_InfernoTokenBalances[to] = _InfernoTokenBalances[to].add(tokensToTransfer);
_totalSupply = _totalSupply.sub(InfernoTokenDecay);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
emit Transfer(from, to, tokensToTransfer);
emit Transfer(from, address(0), InfernoTokenDecay);
emit Transfer(from, _communityAccount, communityAmount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = (_allowed[msg.sender][spender].add(addedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = (_allowed[msg.sender][spender].sub(subtractedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
function burn(uint256 amount) public {
_burn(msg.sender, amount);
}
function _burn(address account, uint256 amount) internal {
require(amount != 0);
require(amount <= _InfernoTokenBalances[account]);
_totalSupply = _totalSupply.sub(amount);
_InfernoTokenBalances[account] = _InfernoTokenBalances[account].sub(amount);
emit Transfer(account, address(0), amount);
}
function burnFrom(address account, uint256 amount) external {
require(amount <= _allowed[account][msg.sender]);
_allowed[account][msg.sender] = _allowed[account][msg.sender].sub(amount);
_burn(account, amount);
}
function claim() payable public {
require(_allowClaims || (msg.sender == admin));
require((block.number.sub(_lastClaimBlock[msg.sender])) >= 5900);
require((msg.value >= (_claimPrice.mul(_nextClaimAmount).div(1e18))) || (msg.sender == admin));
_InfernoTokenBalances[msg.sender] = _InfernoTokenBalances[msg.sender].add(_nextClaimAmount);
emit Transfer(address(this), msg.sender, _nextClaimAmount);
_InfernoFund = _InfernoFund.add(_nextClaimAmount);
_totalSupply = _totalSupply.add(_nextClaimAmount.mul(2));
_nextClaimAmount = _nextClaimAmount.mul(999).div(1000);
_lastClaimBlock[msg.sender] = block.number;
}
function distributeFund(address _to, uint256 _amount) public {
require(msg.sender == admin);
require(_amount <= _InfernoFund);
_InfernoFund = _InfernoFund.sub(_amount);
_InfernoTokenBalances[_to] = _InfernoTokenBalances[_to].add(_amount);
emit Transfer(address(this), _to, _amount);
}
}