Address Contract Partially Verified
Address
0xfdd05552F1377aA488AFed744c8024358AF02041
Balance
57.0668 ETH ($118415.89)
Nonce
1
Code Size
17932 bytes
Creator
0x9a27cb5a...57B4 at tx 0x143425df...58eccd
Indexed Transactions
0
Contract Bytecode
17932 bytes
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Verified Source Code Partial Match
Compiler: v0.5.16+commit.9c3226ce
EVM: istanbul
Optimization: Yes (200 runs)
EtherVistaPair.sol 652 lines
pragma solidity =0.5.16;
interface IEtherVistaPair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function setMetadata(string calldata website, string calldata image, string calldata description, string calldata chat, string calldata social) external;
function fetchMetadata() external view returns(string memory, string memory, string memory, string memory, string memory);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function updateProvider(address user) external;
function euler(uint) external view returns (uint256);
function viewShare() external view returns (uint256 share);
function claimShare() external;
function poolBalance() external view returns (uint);
function totalCollected() external view returns (uint);
function updateProtocol(address) external;
function setProtocol() external;
function protocol() external view returns (address);
function payableProtocol() external view returns (address payable origin);
function creator() external view returns (address);
function renounce() external;
function setFees() external;
function updateFees(uint8, uint8, uint8, uint8) external;
function buyLpFee() external view returns (uint8);
function sellLpFee() external view returns (uint8);
function buyProtocolFee() external view returns (uint8);
function sellProtocolFee() external view returns (uint8);
function buyTotalFee() external view returns (uint8);
function sellTotalFee() external view returns (uint8);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function first_mint(address to, uint8 buyLp, uint8 sellLp, uint8 buyProtocol, uint8 sellProtocol, address protocolAddress) external returns (uint liquidity);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address _token0, address _token1) external;
}
interface IEtherVistaERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
}
interface IERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
}
interface IEtherVistaFactory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function routerSetter() external view returns (address);
function router() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
function setRouterSetter(address) external;
function setRouter(address) external;
}
interface IUniswapV2Callee {
function uniswapV2Call(address sender, uint amount0, uint amount1, bytes calldata data) external;
}
library SafeMath {
function add(uint x, uint y) internal pure returns (uint z) {
require((z = x + y) >= x, 'ds-math-add-overflow');
}
function sub(uint x, uint y) internal pure returns (uint z) {
require((z = x - y) <= x, 'ds-math-sub-underflow');
}
function mul(uint x, uint y) internal pure returns (uint z) {
require(y == 0 || (z = x * y) / y == x, 'ds-math-mul-overflow');
}
}
library Math {
function min(uint x, uint y) internal pure returns (uint z) {
z = x < y ? x : y;
}
// babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method)
function sqrt(uint y) internal pure returns (uint z) {
if (y > 3) {
z = y;
uint x = y / 2 + 1;
while (x < z) {
z = x;
x = (y / x + x) / 2;
}
} else if (y != 0) {
z = 1;
}
}
}
library UQ112x112 {
uint224 constant Q112 = 2**112;
// encode a uint112 as a UQ112x112
function encode(uint112 y) internal pure returns (uint224 z) {
z = uint224(y) * Q112; // never overflows
}
// divide a UQ112x112 by a uint112, returning a UQ112x112
function uqdiv(uint224 x, uint112 y) internal pure returns (uint224 z) {
z = x / uint224(y);
}
}
contract EtherVistaERC20 is IEtherVistaERC20 {
using SafeMath for uint;
string public constant name = 'VISTA';
string public constant symbol = 'VISTA-LP';
uint8 public constant decimals = 18;
uint public totalSupply;
address public factory;
mapping(address => uint) public balanceOf;
mapping(address => mapping(address => uint)) public allowance;
bytes32 public DOMAIN_SEPARATOR;
// keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;
mapping(address => uint) public nonces;
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
constructor() public {
uint chainId;
assembly {
chainId := chainid
}
factory = msg.sender;
DOMAIN_SEPARATOR = keccak256(
abi.encode(
keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'),
keccak256(bytes(name)),
keccak256(bytes('1')),
chainId,
address(this)
)
);
}
function _mint(address to, uint value) internal {
totalSupply = totalSupply.add(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(address(0), to, value);
}
function _burn(address from, uint value) internal {
balanceOf[from] = balanceOf[from].sub(value);
totalSupply = totalSupply.sub(value);
emit Transfer(from, address(0), value);
}
function _approve(address owner, address spender, uint value) private {
allowance[owner][spender] = value;
emit Approval(owner, spender, value);
}
function _transfer(address from, address to, uint value) private {
balanceOf[from] = balanceOf[from].sub(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(from, to, value);
}
function transfer(address to, uint value) external returns (bool) {
if (to != 0x000000000000000000000000000000000000dEaD) {
require(msg.sender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
}
_transfer(msg.sender, to, value);
return true;
}
function approve(address spender, uint value) external returns (bool) {
require(spender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
_approve(msg.sender, spender, value);
return true;
}
function transferFrom(address from, address to, uint value) external returns (bool) {
require(msg.sender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
if (allowance[from][msg.sender] != uint(-1)) {
allowance[from][msg.sender] = allowance[from][msg.sender].sub(value);
}
_transfer(from, to, value);
return true;
}
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external {
require(deadline >= block.timestamp, 'EtherVista: EXPIRED');
require(spender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
bytes32 digest = keccak256(
abi.encodePacked(
'\x19\x01',
DOMAIN_SEPARATOR,
keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))
)
);
address recoveredAddress = ecrecover(digest, v, r, s);
require(recoveredAddress != address(0) && recoveredAddress == owner, 'EtherVista: INVALID_SIGNATURE');
_approve(owner, spender, value);
}
}
contract EtherVistaPair is IEtherVistaPair, EtherVistaERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
uint256 private bigNumber = 10**20; //prevents liqFee/totalSupply from rounding to 0.
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint8 public buyLpFee;
uint8 public sellLpFee;
uint8 public buyProtocolFee;
uint8 public sellProtocolFee;
uint8 public buyTotalFee;
uint8 public sellTotalFee;
uint256 public startTime_fees = 0;
uint8 public future_buyLpFee;
uint8 public future_sellLpFee;
uint8 public future_buyProtocolFee;
uint8 public future_sellProtocolFee ;
uint256 public totalCollected;
uint public poolBalance;
uint256 public startTime_protocol = 0;
address public protocol;
address public future_protocol;
address public creator;
uint256 public creation_time;
string public websiteUrl = "Null";
string public imageUrl = "Null"; //IPFS link
string public tokenDescription = "Null";
string public chatUrl = "Null";
string public socialUrl = "Null";
struct Provider {
uint256 lp;
uint256 euler0;
}
uint256[] public euler;
mapping(address => Provider) public Providers;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'EtherVista: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
//called everytime a swap is performed
function() external payable {
require(msg.sender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
poolBalance += msg.value;
totalCollected += msg.value;
updateEuler(msg.value);
}
//updates the euler constant - occurs everytime a swap is performed
function updateEuler(uint256 liqFee) internal {
if (euler.length == 0){
euler.push((liqFee*bigNumber)/totalSupply);
}else{
euler.push(euler[euler.length - 1] + (liqFee*bigNumber)/totalSupply);
}
}
//called everytime liquidity is added/removed by the user
function updateProvider(address user) external {
require(msg.sender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
if (euler.length == 0){
Providers[user] = Provider(balanceOf[user], 0);
}else{
Providers[user] = Provider(balanceOf[user], euler[euler.length - 1]);
}
}
function claimShare() public lock {
require(euler.length > 0, 'EtherVistaPair: Nothing to Claim');
uint256 share = (Providers[msg.sender].lp * (euler[euler.length - 1] - Providers[msg.sender].euler0))/bigNumber;
Providers[msg.sender] = Provider(balanceOf[msg.sender], euler[euler.length - 1]);
poolBalance -= share;
(bool sent,) = msg.sender.call.value(share)("");
require(sent, "Failed to send Ether");
}
function viewShare() public view returns (uint256 share) {
if (euler.length == 0){
return 0;
}else{
return Providers[msg.sender].lp * (euler[euler.length - 1] - Providers[msg.sender].euler0)/bigNumber;
}
}
function updateFees(uint8 buyLpFuture, uint8 sellLpFuture, uint8 buyProtocolFuture, uint8 sellProtocolFuture) external {
require(msg.sender == creator);
startTime_fees = block.timestamp;
future_buyLpFee = buyLpFuture;
future_sellLpFee = sellLpFuture;
future_buyProtocolFee = buyProtocolFuture;
future_sellProtocolFee = sellProtocolFuture;
}
function setFees() external {
require(startTime_fees != 0);
require(msg.sender == creator && block.timestamp - startTime_fees >= 3 days);
buyLpFee = future_buyLpFee;
sellLpFee = future_sellLpFee;
buyProtocolFee = future_buyProtocolFee;
sellProtocolFee = future_sellProtocolFee;
buyTotalFee = future_buyLpFee + future_buyProtocolFee + 1;
sellTotalFee = future_sellLpFee + future_sellProtocolFee + 1;
}
function updateProtocol(address protocolFuture) external {
require(msg.sender == creator);
startTime_protocol = block.timestamp;
future_protocol = protocolFuture;
}
function setProtocol() external {
require(startTime_protocol != 0);
require(msg.sender == creator && block.timestamp - startTime_protocol >= 3 days);
protocol = future_protocol;
}
function payableProtocol() external view returns (address payable) {
return address(uint160(protocol));
}
function setMetadata(string calldata website, string calldata image, string calldata description, string calldata chat, string calldata social) external {
require(msg.sender == creator);
websiteUrl = website;
imageUrl = image;
tokenDescription = description;
chatUrl = chat;
socialUrl = social;
}
function fetchMetadata() public view returns(string memory, string memory, string memory, string memory, string memory) {
return (websiteUrl, imageUrl, tokenDescription, chatUrl, socialUrl);
}
function renounce() external {
require(msg.sender == creator);
creator = 0x000000000000000000000000000000000000dEaD;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'EtherVista: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'EtherVistaPair: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'EtherVistaPair: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k). This will never be on.
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = IEtherVistaFactory(factory).feeTo();
feeOn = feeTo != address(0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(5).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function first_mint(address to, uint8 buyLp, uint8 sellLp, uint8 buyProtocol, uint8 sellProtocol, address protocolAddress) external lock returns (uint liquidity) {
require(msg.sender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
require(_totalSupply == 0);
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
creator = to;
creation_time = block.timestamp;
protocol = protocolAddress;
buyLpFee = buyLp;
sellLpFee = sellLp;
buyProtocolFee = buyProtocol;
sellProtocolFee = sellProtocol;
buyTotalFee = buyLp + buyProtocol + 1;
sellTotalFee = sellLp + sellProtocol + 1;
require(liquidity > 0, 'EtherVistaPair: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
require(msg.sender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
revert('Use first_mint instead');
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'EtherVistaPair: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
require(msg.sender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
require(block.timestamp - creation_time >= 5 days, 'EtherVistaPair: FORBIDDEN RUGPULL');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'EtherVistaPair: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(msg.sender == IEtherVistaFactory(factory).router(), 'EtherVistaPair: FORBIDDEN');
require(amount0Out > 0 || amount1Out > 0, 'EtherVistaPair: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'EtherVista: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'EtherVistaPair: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) IUniswapV2Callee(to).uniswapV2Call(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'EtherVista: INSUFFICIENT_INPUT_AMOUNT');
{
require(balance0 * balance1 >= reserve0 * reserve1, "K");
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
}
Read Contract
DOMAIN_SEPARATOR 0x3644e515 → bytes32
MINIMUM_LIQUIDITY 0xba9a7a56 → uint256
PERMIT_TYPEHASH 0x30adf81f → bytes32
Providers 0x018d0f8d → uint256, uint256
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
buyLpFee 0x6fd3acb4 → uint8
buyProtocolFee 0xcc2b7657 → uint8
buyTotalFee 0x3705b392 → uint8
chatUrl 0x434beeaf → string
creation_time 0x65008cd6 → uint256
creator 0x02d05d3f → address
decimals 0x313ce567 → uint8
euler 0x5cb1ccec → uint256
factory 0xc45a0155 → address
fetchMetadata 0xd2f2ea8a → string, string, string, string, string
future_buyLpFee 0x12ed704d → uint8
future_buyProtocolFee 0x7dd2b0ad → uint8
future_protocol 0x0073010d → address
future_sellLpFee 0x7a91ae74 → uint8
future_sellProtocolFee 0x371db133 → uint8
getReserves 0x0902f1ac → uint112, uint112, uint32
imageUrl 0xaba83150 → string
kLast 0x7464fc3d → uint256
name 0x06fdde03 → string
nonces 0x7ecebe00 → uint256
payableProtocol 0xccec72fb → address
poolBalance 0x96365d44 → uint256
price0CumulativeLast 0x5909c0d5 → uint256
price1CumulativeLast 0x5a3d5493 → uint256
protocol 0x8ce74426 → address
sellLpFee 0xc7b8b46d → uint8
sellProtocolFee 0xe2a7797e → uint8
sellTotalFee 0x00afb325 → uint8
socialUrl 0xd1707551 → string
startTime_fees 0x163258b2 → uint256
startTime_protocol 0x6dd240a5 → uint256
symbol 0x95d89b41 → string
token0 0x0dfe1681 → address
token1 0xd21220a7 → address
tokenDescription 0x25e6f516 → string
totalCollected 0xe29eb836 → uint256
totalSupply 0x18160ddd → uint256
viewShare 0x61047d33 → uint256
websiteUrl 0xabb5ca09 → string
Write Contract 19 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address spender
uint256 value
returns: bool
burn 0x89afcb44
address to
returns: uint256, uint256
claimShare 0x666da64f
No parameters
first_mint 0xdc2dc3f3
address to
uint8 buyLp
uint8 sellLp
uint8 buyProtocol
uint8 sellProtocol
address protocolAddress
returns: uint256
initialize 0x485cc955
address _token0
address _token1
mint 0x6a627842
address to
returns: uint256
permit 0xd505accf
address owner
address spender
uint256 value
uint256 deadline
uint8 v
bytes32 r
bytes32 s
renounce 0xb15be2f5
No parameters
setFees 0x2ee9e82b
No parameters
setMetadata 0x3b84e997
string website
string image
string description
string chat
string social
setProtocol 0xf0793997
No parameters
skim 0xbc25cf77
address to
swap 0x022c0d9f
uint256 amount0Out
uint256 amount1Out
address to
bytes data
sync 0xfff6cae9
No parameters
transfer 0xa9059cbb
address to
uint256 value
returns: bool
transferFrom 0x23b872dd
address from
address to
uint256 value
returns: bool
updateFees 0x0aa75f6b
uint8 buyLpFuture
uint8 sellLpFuture
uint8 buyProtocolFuture
uint8 sellProtocolFuture
updateProtocol 0x727a573c
address protocolFuture
updateProvider 0xef70768a
address user
Token Balances (1)
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