Contract 0x6725F303b657a9451d8BA641348b6761A6CC7a17 6

Txn Hash Method
Block
From
To
Value [Txn Fee]
0x499ae3046d344f78127a4db0b62654a164d7e44d76f7ca03162c5727176e8de6Create Pair132540482021-10-15 18:52:3240 mins ago0x4fe863c9b0bb78b30969e44d405820126f89da6f IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0x1b2059973e08eb5e3fccd82d011a0bfebb15ec97d06ac4d87c76e4fe953aca6eCreate Pair132527662021-10-15 17:48:261 hr 44 mins ago0x4fe863c9b0bb78b30969e44d405820126f89da6f IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0xba86f5493f96f9c13c58f5c8288b5bf20064cab6bec10897e246a0f174f33149Create Pair132473332021-10-15 13:16:476 hrs 16 mins ago0x41bddf2af31f52463dd12d3c0f1e2ef9ded6cf7e IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0xaa6676583d67f93144a7c6a61a11b768013fd635fa2cd007ebe284e7a2acc284Create Pair132473232021-10-15 13:16:176 hrs 16 mins ago0x41bddf2af31f52463dd12d3c0f1e2ef9ded6cf7e IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0xbe98961bbda768dd23b8c3a5bc590e77a4e2db81d6bc426cb149fcd47e07980fCreate Pair132390852021-10-15 6:24:2313 hrs 8 mins ago0x29d0000f0d6ca44496c8da7fe85f5bba1ef98189 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0x7de192b82b9e2813d4559184f5defb89696f06e2c97ba8e1b3a2dbd63e253074Create Pair132356872021-10-15 3:34:2915 hrs 58 mins ago0x86bdcae11ce9bf2248eed9b855e5bebf22b48ba6 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0x69a88512e8392612698e39477a3da5976e7ab13508efcf005356a0ccea76f358Create Pair132347542021-10-15 2:47:5016 hrs 45 mins ago0x3501ac2460f7a7866b322e1ba1c948d9fca514b6 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0x7eeec5bc30fde078cc6b6d18043d48f22291d593adc8f8d453a04be8a847a80bCreate Pair132346342021-10-15 2:41:5016 hrs 51 mins ago0x86bdcae11ce9bf2248eed9b855e5bebf22b48ba6 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0x937260e33fd38d87b7548f6ec79100d8e146ef70cc4511eba2d1037efeac0311Create Pair132198462021-10-14 14:22:261 day 5 hrs ago0xa1451a9adc148732ea2076ade4e8f0493c580039 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0xfcc445ad35606430f3aec97ca41a5169e0e14c6609e8cda597dbced73746e891Create Pair132198332021-10-14 14:21:471 day 5 hrs ago0xa1451a9adc148732ea2076ade4e8f0493c580039 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0xc54598abeaacf64e4fd23d0e1f51dbc76998307163da09c0e74451bb2af5a2bbCreate Pair132189182021-10-14 13:36:021 day 5 hrs ago0x86bdcae11ce9bf2248eed9b855e5bebf22b48ba6 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0xe634dd281c63cfdde9fcf986af8ccbcb6d2aff82d258f364fd656be38b939755Create Pair132185932021-10-14 13:19:471 day 6 hrs ago0xa1451a9adc148732ea2076ade4e8f0493c580039 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0x356bcb1412a14db7e4bfa149a655fdc17b1316f52ee6d68f2b7e00879a704405Create Pair132185872021-10-14 13:19:291 day 6 hrs ago0xa1451a9adc148732ea2076ade4e8f0493c580039 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0xead62cc2bab2ace07f115e72ec3879deeff7b3bcf8d778f33b32bcc02d41281fCreate Pair132179492021-10-14 12:47:351 day 6 hrs ago0x86bdcae11ce9bf2248eed9b855e5bebf22b48ba6 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0xc5a62655e772b29bfbeba7404134fa91fb9be9e1fb2b603014dced790bef596eCreate Pair132128832021-10-14 8:34:171 day 10 hrs ago0x14461eb708e03b5d40a7404c1cf47c14b12278f2 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.00023418
0x69effdd930f2e26df23c5e4fa06932c04a709d530f351c614435de07c93e6915Create Pair132115522021-10-14 7:13:181 day 12 hrs ago0x0be9f5dd3921965f7e6b498800dba11142391c58 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0xdcc83073ab1d697d083e1eb460aef7f52a8215055a86c038bd49b9838af67e66Create Pair132115392021-10-14 7:12:261 day 12 hrs ago0x0be9f5dd3921965f7e6b498800dba11142391c58 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0xa81605df47cedff4d7ae42bd944b0f5405898a7b2e961198b2742f178d845202Create Pair131938732021-10-13 16:14:222 days 3 hrs ago0xa1451a9adc148732ea2076ade4e8f0493c580039 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0x63a3ca0ebe9aa6d82aceed03489df5f8a48f987cb381f8b61c50e8ad97873528Create Pair131928962021-10-13 15:25:132 days 4 hrs ago0xbd7251ee0680a304f70f02c3cc93711fe6c05a9a IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0x5369ff0fc8f7c5b24c3c342338221f6a586cdcfebbcbfa0ae8c7b8b2a8f6c0b5Create Pair131927512021-10-13 15:17:582 days 4 hrs ago0xa1451a9adc148732ea2076ade4e8f0493c580039 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0xd992ecb5b95661234c36aa165942ee0318a74be017e47214825cefc9bd9de79bCreate Pair131906222021-10-13 13:31:312 days 6 hrs ago0x4086a2cae8d3fccd94d1172006516c7d0794c7ee IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0x6b00e4421a776ce08e78736a5dde47fce6b910f829d492992684fbf7ad5cbadaCreate Pair131805692021-10-13 5:08:482 days 14 hrs ago0xc900365a3d3a7b5af85ff87fcf521aab0fc9f725 IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.00023416
0x108830394d1982e7a68d63565328df92011b32ff98c7fe7a013aa63454c8a9eaCreate Pair131705342021-10-12 20:47:022 days 22 hrs ago0x4fe863c9b0bb78b30969e44d405820126f89da6f IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
0xd8e850b64c4c58504159c029dc953c895932c832851bb9ca58927ab7dc2a95d1Create Pair131704902021-10-12 20:44:502 days 22 hrs ago0x4fe863c9b0bb78b30969e44d405820126f89da6f IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971785
0x97d65576de9928a4eecd38be10e9b2f7fb9cac71e0c39bb6d55458cd81017189Create Pair131702562021-10-12 20:33:082 days 23 hrs ago0x4fe863c9b0bb78b30969e44d405820126f89da6f IN  0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB0.01971775
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0x4404904bff3d7605cffeadd1b8bff39ffd64959b49c1bcc6b1982d8fee2e304f132548282021-10-15 19:31:321 min ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17 0xf42972a78c4a8f8fd5429980b762d553a455a1190 BNB
0x4404904bff3d7605cffeadd1b8bff39ffd64959b49c1bcc6b1982d8fee2e304f132548282021-10-15 19:31:321 min ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17  Contract Creation0 BNB
0x4404904bff3d7605cffeadd1b8bff39ffd64959b49c1bcc6b1982d8fee2e304f132548282021-10-15 19:31:321 min ago 0xdbbb2fa2bc253b7176f1c972328c0ac50de3cbd9 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0xec10062615af9ce9afc819ca49d2dbd98c196d9c1547e0761838a01cadc15371132547742021-10-15 19:28:504 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17 0x0460f0bfd830fafc4e3dcca7d9a8d02db33effbd0 BNB
0xec10062615af9ce9afc819ca49d2dbd98c196d9c1547e0761838a01cadc15371132547742021-10-15 19:28:504 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17  Contract Creation0 BNB
0xec10062615af9ce9afc819ca49d2dbd98c196d9c1547e0761838a01cadc15371132547742021-10-15 19:28:504 mins ago 0x75872cc524a58d095cee1d307a0fca86c4531aba 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0xc36381047a248352eb7f2f08e3d8c00846080d4fd73f0d5159e7d1696610e1e5132546702021-10-15 19:23:389 mins ago 0xec86e91caaecdb9aa10ebce7cbaa6a515e3a5d75 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0xc36381047a248352eb7f2f08e3d8c00846080d4fd73f0d5159e7d1696610e1e5132546702021-10-15 19:23:389 mins ago 0xd99d1c33f9fc3444f8101754abc46c52416550d1 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0xc36381047a248352eb7f2f08e3d8c00846080d4fd73f0d5159e7d1696610e1e5132546702021-10-15 19:23:389 mins ago 0x20e88a71b09ad20d5a63b74433e688a4e88738bc 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0x3882bbdd4492ea2e82c54683e58043c0b3b0961ac2f31bdcdf6b4cea3b6f5542132546352021-10-15 19:21:5311 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17 0x7bb070b2b9a2cb17f0ea6acf416051387bf8209b0 BNB
0x3882bbdd4492ea2e82c54683e58043c0b3b0961ac2f31bdcdf6b4cea3b6f5542132546352021-10-15 19:21:5311 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17  Contract Creation0 BNB
0x3882bbdd4492ea2e82c54683e58043c0b3b0961ac2f31bdcdf6b4cea3b6f5542132546352021-10-15 19:21:5311 mins ago 0x495e852ac099065771e2788ceac04fc474d4e3d7 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0x9d0a5cc679af63e9813a96f120a3986704d99670cc05c9c95bbfe5b2e1447199132546062021-10-15 19:20:2612 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17 0x0a7378e294e3eaa18f62fa121322dc1130cea3830 BNB
0x9d0a5cc679af63e9813a96f120a3986704d99670cc05c9c95bbfe5b2e1447199132546062021-10-15 19:20:2612 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17  Contract Creation0 BNB
0x9d0a5cc679af63e9813a96f120a3986704d99670cc05c9c95bbfe5b2e1447199132546062021-10-15 19:20:2612 mins ago 0x0cd371cb93f01aee085d6fafcf9cc3dc2de1d8de 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0x82fbaf0c582a5f6523e96b059b70ca6711db2269bc3f7fb77ad0ba1be7bf8720132545772021-10-15 19:18:5914 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17 0x671fc8ceafcd5c5b8fbec385e8c0e510ab6908130 BNB
0x82fbaf0c582a5f6523e96b059b70ca6711db2269bc3f7fb77ad0ba1be7bf8720132545772021-10-15 19:18:5914 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17  Contract Creation0 BNB
0x82fbaf0c582a5f6523e96b059b70ca6711db2269bc3f7fb77ad0ba1be7bf8720132545772021-10-15 19:18:5914 mins ago 0x5c52a42dc1c6c6b35f9128df0932c1cdd631742e 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0xef7ee16182fcc94570861a0bf4bbc330df28357e5085a4938fb1466ad24a8f5d132545012021-10-15 19:15:1118 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17 0x4b6079d3e80c085b2dea75817bc48f1b74b482480 BNB
0xef7ee16182fcc94570861a0bf4bbc330df28357e5085a4938fb1466ad24a8f5d132545012021-10-15 19:15:1118 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17  Contract Creation0 BNB
0xef7ee16182fcc94570861a0bf4bbc330df28357e5085a4938fb1466ad24a8f5d132545012021-10-15 19:15:1118 mins ago 0x9e6b26245e8e0972806d03e5e9a1271459b6b61a 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0x9e7246ed89c73177d698dbcb145d87b9860bbd6b65cfae8b94b6a700f3a6a0c0132542492021-10-15 19:02:3530 mins ago 0x141c3dc04afe4f06809852d413a89d9b6cedaea1 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0x9e7246ed89c73177d698dbcb145d87b9860bbd6b65cfae8b94b6a700f3a6a0c0132542492021-10-15 19:02:3530 mins ago 0xd99d1c33f9fc3444f8101754abc46c52416550d1 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0x9e7246ed89c73177d698dbcb145d87b9860bbd6b65cfae8b94b6a700f3a6a0c0132542492021-10-15 19:02:3530 mins ago 0x9f29c8c8dac8a941a19e7d7188991e46b428e3b5 0x6725f303b657a9451d8ba641348b6761a6cc7a170 BNB
0x499ae3046d344f78127a4db0b62654a164d7e44d76f7ca03162c5727176e8de6132540482021-10-15 18:52:3240 mins ago 0x6725f303b657a9451d8ba641348b6761a6cc7a17 0xe1ffd6cdee6ce427523c15afadb31c00f837c2780 BNB
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Contract Source Code Verified (Exact Match)

Contract Name:
PancakeFactory

Compiler Version
v0.5.16+commit.9c3226ce

Optimization Enabled:
Yes with 50 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 11 : PancakeERC20.sol
pragma solidity =0.5.16;

import './interfaces/IPancakeERC20.sol';
import './libraries/SafeMath.sol';

contract PancakeERC20 is IPancakeERC20 {
    using SafeMath for uint;

    string public constant name = 'Pancake LPs';
    string public constant symbol = 'Cake-LP';
    uint8 public constant decimals = 18;
    uint  public totalSupply;
    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
        }
        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 approve(address spender, uint value) external returns (bool) {
        _approve(msg.sender, spender, value);
        return true;
    }

    function transfer(address to, uint value) external returns (bool) {
        _transfer(msg.sender, to, value);
        return true;
    }

    function transferFrom(address from, address to, uint value) external returns (bool) {
        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, 'Pancake: EXPIRED');
        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, 'Pancake: INVALID_SIGNATURE');
        _approve(owner, spender, value);
    }
}

File 2 of 11 : PancakeFactory.sol
pragma solidity =0.5.16;

import './interfaces/IPancakeFactory.sol';
import './PancakePair.sol';

contract PancakeFactory is IPancakeFactory {
    bytes32 public constant INIT_CODE_PAIR_HASH = keccak256(abi.encodePacked(type(PancakePair).creationCode));

    address public feeTo;
    address public feeToSetter;

    mapping(address => mapping(address => address)) public getPair;
    address[] public allPairs;

    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    constructor(address _feeToSetter) public {
        feeToSetter = _feeToSetter;
    }

    function allPairsLength() external view returns (uint) {
        return allPairs.length;
    }

    function createPair(address tokenA, address tokenB) external returns (address pair) {
        require(tokenA != tokenB, 'Pancake: IDENTICAL_ADDRESSES');
        (address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
        require(token0 != address(0), 'Pancake: ZERO_ADDRESS');
        require(getPair[token0][token1] == address(0), 'Pancake: PAIR_EXISTS'); // single check is sufficient
        bytes memory bytecode = type(PancakePair).creationCode;
        bytes32 salt = keccak256(abi.encodePacked(token0, token1));
        assembly {
            pair := create2(0, add(bytecode, 32), mload(bytecode), salt)
        }
        IPancakePair(pair).initialize(token0, token1);
        getPair[token0][token1] = pair;
        getPair[token1][token0] = pair; // populate mapping in the reverse direction
        allPairs.push(pair);
        emit PairCreated(token0, token1, pair, allPairs.length);
    }

    function setFeeTo(address _feeTo) external {
        require(msg.sender == feeToSetter, 'Pancake: FORBIDDEN');
        feeTo = _feeTo;
    }

    function setFeeToSetter(address _feeToSetter) external {
        require(msg.sender == feeToSetter, 'Pancake: FORBIDDEN');
        feeToSetter = _feeToSetter;
    }
}

File 3 of 11 : PancakePair.sol
pragma solidity =0.5.16;

import './interfaces/IPancakePair.sol';
import './PancakeERC20.sol';
import './libraries/Math.sol';
import './libraries/UQ112x112.sol';
import './interfaces/IERC20.sol';
import './interfaces/IPancakeFactory.sol';
import './interfaces/IPancakeCallee.sol';

contract PancakePair is IPancakePair, PancakeERC20 {
    using SafeMath  for uint;
    using UQ112x112 for uint224;

    uint public constant MINIMUM_LIQUIDITY = 10**3;
    bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));

    address public factory;
    address public token0;
    address public token1;

    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, 'Pancake: LOCKED');
        unlocked = 0;
        _;
        unlocked = 1;
    }

    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))), 'Pancake: 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, 'Pancake: 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), 'Pancake: 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)
    function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
        address feeTo = IPancakeFactory(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(3).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 mint(address to) external lock returns (uint liquidity) {
        (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) {
            liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
           _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
        } else {
            liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
        }
        require(liquidity > 0, 'Pancake: 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) {
        (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, 'Pancake: 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(amount0Out > 0 || amount1Out > 0, 'Pancake: INSUFFICIENT_OUTPUT_AMOUNT');
        (uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
        require(amount0Out < _reserve0 && amount1Out < _reserve1, 'Pancake: 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, 'Pancake: 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) IPancakeCallee(to).pancakeCall(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, 'Pancake: INSUFFICIENT_INPUT_AMOUNT');
        { // scope for reserve{0,1}Adjusted, avoids stack too deep errors
        uint balance0Adjusted = balance0.mul(1000).sub(amount0In.mul(2));
        uint balance1Adjusted = balance1.mul(1000).sub(amount1In.mul(2));
        require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(1000**2), 'Pancake: 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);
    }
}

File 4 of 11 : IERC20.sol
pragma solidity >=0.5.0;

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);
}

File 5 of 11 : IPancakeCallee.sol
pragma solidity >=0.5.0;

interface IPancakeCallee {
    function pancakeCall(address sender, uint amount0, uint amount1, bytes calldata data) external;
}

File 6 of 11 : IPancakeERC20.sol
pragma solidity >=0.5.0;

interface IPancakeERC20 {
    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;
}

File 7 of 11 : IPancakeFactory.sol
pragma solidity >=0.5.0;

interface IPancakeFactory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    function feeTo() external view returns (address);
    function feeToSetter() 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;
}

File 8 of 11 : IPancakePair.sol
pragma solidity >=0.5.0;

interface IPancakePair {
    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;

    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 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, address) external;
}

File 9 of 11 : Math.sol
pragma solidity =0.5.16;

// a library for performing various math operations

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;
        }
    }
}

File 10 of 11 : SafeMath.sol
pragma solidity =0.5.16;

// a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math)

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');
    }
}

File 11 of 11 : UQ112x112.sol
pragma solidity =0.5.16;

// a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format))

// range: [0, 2**112 - 1]
// resolution: 1 / 2**112

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);
    }
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 50
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract ABI

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000000f9399fc81dac77908a2dde54bb87ee2d17a3373

-----Decoded View---------------
Arg [0] : _feeToSetter (address): 0x0f9399fc81dac77908a2dde54bb87ee2d17a3373

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000f9399fc81dac77908a2dde54bb87ee2d17a3373


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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