编译器
0.8.11+commit.d7f03943
文件 1 的 7：Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 2 的 7：DogCatcher.sol
pragma solidity ^0.8.11;
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/interfaces/IERC20.sol";
import "./IFridge.sol";
import "./IOven.sol";
contract DogCatcher is Context, IERC20, Ownable {
string private _name = "dog.catcher";
string private _symbol = "DC";
uint256 private _totalSupply = 0;
uint8 private _decimals = 9;
mapping(address => uint256) private balances;
mapping(address => mapping(address => uint256)) private _allowances;
bool private _active = false;
IFridge _fridge;
mapping (address => address) _ovens;
struct Vest {
uint128 vestedTime;
uint128 ethAmount;
}
mapping (address => Vest) private userVests;
event PresaleVote(uint dcAmount, uint8 indexed vote);
event UsingFridge(address fridge);
event AddedTarget(address token, address Oven);
using SafeMath for uint256;
function addTarget(address token, address oven) external onlyOwner() {
emit AddedTarget(token, oven);
_ovens[token] = oven;
}
function setFavoriteFridge (address fridge) external onlyOwner() {
emit UsingFridge(fridge);
_fridge = IFridge(fridge);
}
function isActive() external view returns (bool) {
return _active;
}
function presaleMint(uint8 vote) public payable returns (uint256) {
require(!_active, "Presale is over!");
uint256 mintedAmount = msg.value / 1000;
_mint(_msgSender(), mintedAmount);
emit PresaleVote(mintedAmount, vote);
return mintedAmount;
}
function endPresale () public onlyOwner() {
require(!_active, "Already active.");
_mint(_msgSender(), _totalSupply);
payable(owner()).transfer(address(this).balance);
_active = true;
}
function otcOffer(address token, uint256 amount) public view returns (uint256 ethValue, uint256 paperValue, uint256 vestedTime) {
require(_ovens[token] != address(0), "Token not targeted.");
(ethValue, paperValue, vestedTime) = IOven(_ovens[token]).otcOffer(token, amount);
}
function instaMint(address token, uint256 incomingTokenAmount) public {
require(_ovens[token] != address(0), "Token not targeted.");
IOven oven = IOven(_ovens[token]);
oven.updatePrice(token);
IERC20(token).transferFrom(_msgSender(), address(oven), incomingTokenAmount);
(uint256 ethValueIncoming, ) = oven.getValues(token, incomingTokenAmount);
_fridge.updatePrice();
_mint(_msgSender(), _fridge.valuate(ethValueIncoming));
}
function vestMint(address token, uint256 amount) public {
require(_ovens[token] != address(0), "Token not targeted.");
IOven oven = IOven(_ovens[token]);
oven.updatePrice(token);
IERC20(token).transferFrom(_msgSender(), address(oven), amount);
(, uint256 paperValue, uint256 vestedTime) = oven.otcOffer(token, amount);
_vest(_msgSender(), vestedTime, paperValue);
}
function _vest(address user, uint256 time, uint256 ethAmount) private {
Vest storage currentVest = userVests[user];
uint128 time128 = uint128(time);
uint128 newEthAmount = currentVest.ethAmount + uint128(ethAmount);
uint128 newTime = time128 > currentVest.vestedTime ? time128 : currentVest.vestedTime;
currentVest.vestedTime = newTime;
currentVest.ethAmount = newEthAmount;
}
function vestOf(address user) public view returns (Vest memory) {
return userVests[user];
}
function completeVest() public {
Vest storage userVest = userVests[_msgSender()];
require(userVest.vestedTime < block.timestamp, "Your dogs are still cookin'.");
_fridge.updatePrice();
_mint(_msgSender(), _fridge.valuate(userVest.ethAmount));
userVests[_msgSender()] = Vest(0, 0);
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(_active, "Can't transfer during presale.");
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
balances[sender] = balances[sender].sub(amount);
balances[recipient] = balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function release(address token) public {
IERC20(token).transfer(owner(),
IERC20(token).balanceOf(address(this)));
}
function name() public view returns (string memory) {return _name;}
function symbol() public view returns (string memory) {return _symbol;}
function decimals() public view returns (uint8) {return _decimals;}
function totalSupply() public view override returns (uint256) {return _totalSupply;}
function allowance(address owner, address spender) public view override returns (uint256) {return _allowances[owner][spender];}
function balanceOf(address account) public view override returns (uint256) {
return balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _mint(address account, uint256 amount) private {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply += amount;
balances[account] += amount;
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
uint256 accountBalance = balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
}
function burn(uint256 amount) public {
_burn(_msgSender(), amount);
}
}
文件 3 的 7：IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address from,
address to,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
文件 4 的 7：IFridge.sol
interface IFridge {
function valuate(uint256 ethAmount) external returns (uint256 tokenValue);
function updatePrice() external;
}文件 5 的 7：IOven.sol
interface IOven {
function getValues(address token, uint256 amount) external view returns (uint256 ethValue, uint256 paperValue);
function otcOffer(address token, uint256 amount) external view returns (uint256 ethValue, uint256 paperValue, uint256 vestTime);
function updatePrice(address token) external;
}
文件 6 的 7：Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 7 的 7：SafeMath.sol
pragma solidity ^0.8.0;
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
{
"compilationTarget": {
"contracts/DogCatcher.sol": "DogCatcher"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
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DogCatcher.Vest","name":"","type":"tuple"}],"stateMutability":"view","type":"function"}]
