{ "address": "0x770B6E8a1b39F1a3ea06069cbd6d1e0b5dB264f3", "abi": [ { "inputs": [ { "internalType": "contract JoeToken", "name": "_joe", "type": "address" }, { "internalType": "address", "name": "_devaddr", "type": "address" }, { "internalType": "address", "name": "_treasuryaddr", "type": "address" }, { "internalType": "uint256", "name": "_joePerSec", "type": "uint256" }, { "internalType": "uint256", "name": "_startTimestamp", "type": "uint256" }, { "internalType": "uint256", "name": "_devPercent", "type": "uint256" }, { "internalType": "uint256", "name": "_treasuryPercent", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "lpToken", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "allocPoint", "type": "uint256" } ], "name": "Add", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "user", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "pid", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "Deposit", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "user", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "pid", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "EmergencyWithdraw", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "uint256", "name": "pid", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "allocPoint", "type": "uint256" } ], "name": "Set", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "oldAddress", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newAddress", "type": "address" } ], "name": "SetDevAddress", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "user", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "_joePerSec", "type": "uint256" } ], "name": "UpdateEmissionRate", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "user", "type": "address" }, { "indexed": true, "internalType": "uint256", "name": "pid", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "Withdraw", "type": "event" }, { "inputs": [ { "internalType": "uint256", "name": "_allocPoint", "type": "uint256" }, { "internalType": "contract IERC20", "name": "_lpToken", "type": "address" } ], "name": "add", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_pid", "type": "uint256" }, { "internalType": "uint256", "name": "_amount", "type": "uint256" } ], "name": "deposit", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_devaddr", "type": "address" } ], "name": "dev", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "devPercent", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "devaddr", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_pid", "type": "uint256" } ], "name": "emergencyWithdraw", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "contract IERC20", "name": "", "type": "address" } ], "name": "isPool", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "joe", "outputs": [ { "internalType": "contract JoeToken", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "joePerSec", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "massUpdatePools", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_pid", "type": "uint256" }, { "internalType": "address", "name": "_user", "type": "address" } ], "name": "pendingJoe", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "name": "poolInfo", "outputs": [ { "internalType": "contract IERC20", "name": "lpToken", "type": "address" }, { "internalType": "uint256", "name": "allocPoint", "type": "uint256" }, { "internalType": "uint256", "name": "lastRewardTimestamp", "type": "uint256" }, { "internalType": "uint256", "name": "accJoePerShare", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "poolLength", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_pid", "type": "uint256" }, { "internalType": "uint256", "name": "_allocPoint", "type": "uint256" } ], "name": "set", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_newDevPercent", "type": "uint256" } ], "name": "setDevPercent", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_newTreasuryPercent", "type": "uint256" } ], "name": "setTreasuryPercent", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "startTimestamp", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "totalAllocPoint", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "treasuryPercent", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "treasuryaddr", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_joePerSec", "type": "uint256" } ], "name": "updateEmissionRate", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_pid", "type": "uint256" } ], "name": "updatePool", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "", "type": "uint256" }, { "internalType": "address", "name": "", "type": "address" } ], "name": "userInfo", "outputs": [ { "internalType": "uint256", "name": "amount", "type": "uint256" }, { "internalType": "uint256", "name": "rewardDebt", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_pid", "type": "uint256" }, { "internalType": "uint256", "name": "_amount", "type": "uint256" } ], "name": "withdraw", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "transactionHash": "0xacd5e50beb544bed5d944d969c290641744c224358c8d42503a7b0426d1d790c", "receipt": { "to": null, "from": "0x5D3e4C0FE11e0aE4c32F0FF74B4544C49538AC61", "contractAddress": "0x770B6E8a1b39F1a3ea06069cbd6d1e0b5dB264f3", "transactionIndex": 0, "gasUsed": "1861325", "logsBloom": "0x00000000000000000000000000000000000000000000000000800000000000000000008000000000000000004000000000000000000000000000000000000800010000000000000000000000000000000001000000000000000000000000000000800000020000000000000000000800000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000", "blockHash": "0xb4b8fa880ea1926b7fa0d03ebd8dc55e1a0056d8dfbd4036625b6d89079740ee", "transactionHash": "0xacd5e50beb544bed5d944d969c290641744c224358c8d42503a7b0426d1d790c", "logs": [ { "transactionIndex": 0, "blockNumber": 8766637, "transactionHash": "0xacd5e50beb544bed5d944d969c290641744c224358c8d42503a7b0426d1d790c", "address": "0x770B6E8a1b39F1a3ea06069cbd6d1e0b5dB264f3", "topics": [ "0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0", "0x0000000000000000000000000000000000000000000000000000000000000000", "0x0000000000000000000000005d3e4c0fe11e0ae4c32f0ff74b4544c49538ac61" ], "data": "0x", "logIndex": 0, "blockHash": "0xb4b8fa880ea1926b7fa0d03ebd8dc55e1a0056d8dfbd4036625b6d89079740ee" } ], "blockNumber": 8766637, "cumulativeGasUsed": "1861325", "status": 1, "byzantium": true }, "args": [ "0x4bCa851F272B1a3DAdb077e86AFa94910160d03E", "0x125c2EE2d4765891EAeAdDA8e4F06473282E3060", "0xD2A71475eca084C14a3f08Fa12C98362972e889C", "100000000000000000000", "1619065864", "200", "200" ], "solcInputHash": "8536a9811254562a5bc06a088cb5c514", "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"contract JoeToken\",\"name\":\"_joe\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_devaddr\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_treasuryaddr\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_joePerSec\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_startTimestamp\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_devPercent\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_treasuryPercent\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"lpToken\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"allocPoint\",\"type\":\"uint256\"}],\"name\":\"Add\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"user\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"pid\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"Deposit\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"user\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"pid\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"EmergencyWithdraw\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"pid\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"allocPoint\",\"type\":\"uint256\"}],\"name\":\"Set\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"oldAddress\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newAddress\",\"type\":\"address\"}],\"name\":\"SetDevAddress\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"user\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_joePerSec\",\"type\":\"uint256\"}],\"name\":\"UpdateEmissionRate\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"user\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"pid\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"Withdraw\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_allocPoint\",\"type\":\"uint256\"},{\"internalType\":\"contract IERC20\",\"name\":\"_lpToken\",\"type\":\"address\"}],\"name\":\"add\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_pid\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"deposit\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_devaddr\",\"type\":\"address\"}],\"name\":\"dev\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"devPercent\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"devaddr\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_pid\",\"type\":\"uint256\"}],\"name\":\"emergencyWithdraw\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"contract IERC20\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"isPool\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"joe\",\"outputs\":[{\"internalType\":\"contract JoeToken\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"joePerSec\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"massUpdatePools\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_pid\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"_user\",\"type\":\"address\"}],\"name\":\"pendingJoe\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"poolInfo\",\"outputs\":[{\"internalType\":\"contract IERC20\",\"name\":\"lpToken\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"allocPoint\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"lastRewardTimestamp\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"accJoePerShare\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"poolLength\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_pid\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_allocPoint\",\"type\":\"uint256\"}],\"name\":\"set\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_newDevPercent\",\"type\":\"uint256\"}],\"name\":\"setDevPercent\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_newTreasuryPercent\",\"type\":\"uint256\"}],\"name\":\"setTreasuryPercent\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"startTimestamp\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"totalAllocPoint\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"treasuryPercent\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"treasuryaddr\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_joePerSec\",\"type\":\"uint256\"}],\"name\":\"updateEmissionRate\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_pid\",\"type\":\"uint256\"}],\"name\":\"updatePool\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"userInfo\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"rewardDebt\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_pid\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"withdraw\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/MasterChefJoe.sol\":\"MasterChefJoe\"},\"evmVersion\":\"istanbul\",\"libraries\":{\"__CACHE_BREAKER__\":\"0x00000000d41867734bbee4c6863d9255b2b06ac1\"},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/Ownable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\nimport \\\"../utils/Context.sol\\\";\\n/**\\n * @dev Contract module which provides a basic access control mechanism, where\\n * there is an account (an owner) that can be granted exclusive access to\\n * specific functions.\\n *\\n * By default, the owner account will be the one that deploys the contract. This\\n * can later be changed with {transferOwnership}.\\n *\\n * This module is used through inheritance. It will make available the modifier\\n * `onlyOwner`, which can be applied to your functions to restrict their use to\\n * the owner.\\n */\\nabstract contract Ownable is Context {\\n address private _owner;\\n\\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\\n\\n /**\\n * @dev Initializes the contract setting the deployer as the initial owner.\\n */\\n constructor () internal {\\n address msgSender = _msgSender();\\n _owner = msgSender;\\n emit OwnershipTransferred(address(0), msgSender);\\n }\\n\\n /**\\n * @dev Returns the address of the current owner.\\n */\\n function owner() public view virtual returns (address) {\\n return _owner;\\n }\\n\\n /**\\n * @dev Throws if called by any account other than the owner.\\n */\\n modifier onlyOwner() {\\n require(owner() == _msgSender(), \\\"Ownable: caller is not the owner\\\");\\n _;\\n }\\n\\n /**\\n * @dev Leaves the contract without owner. It will not be possible to call\\n * `onlyOwner` functions anymore. Can only be called by the current owner.\\n *\\n * NOTE: Renouncing ownership will leave the contract without an owner,\\n * thereby removing any functionality that is only available to the owner.\\n */\\n function renounceOwnership() public virtual onlyOwner {\\n emit OwnershipTransferred(_owner, address(0));\\n _owner = address(0);\\n }\\n\\n /**\\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n * Can only be called by the current owner.\\n */\\n function transferOwnership(address newOwner) public virtual onlyOwner {\\n require(newOwner != address(0), \\\"Ownable: new owner is the zero address\\\");\\n emit OwnershipTransferred(_owner, newOwner);\\n _owner = newOwner;\\n }\\n}\\n\",\"keccak256\":\"0x15e2d5bd4c28a88548074c54d220e8086f638a71ed07e6b3ba5a70066fcf458d\",\"license\":\"MIT\"},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\n/**\\n * @dev Wrappers over Solidity's arithmetic operations with added overflow\\n * checks.\\n *\\n * Arithmetic operations in Solidity wrap on overflow. This can easily result\\n * in bugs, because programmers usually assume that an overflow raises an\\n * error, which is the standard behavior in high level programming languages.\\n * `SafeMath` restores this intuition by reverting the transaction when an\\n * operation overflows.\\n *\\n * Using this library instead of the unchecked operations eliminates an entire\\n * class of bugs, so it's recommended to use it always.\\n */\\nlibrary SafeMath {\\n /**\\n * @dev Returns the addition of two unsigned integers, with an overflow flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n uint256 c = a + b;\\n if (c < a) return (false, 0);\\n return (true, c);\\n }\\n\\n /**\\n * @dev Returns the substraction of two unsigned integers, with an overflow flag.\\n *\\n * _Available since v3.4._\\n */\\n function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n if (b > a) return (false, 0);\\n return (true, a - b);\\n }\\n\\n /**\\n * @dev Returns the multiplication of two unsigned integers, with an overflow flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\\n // benefit is lost if 'b' is also tested.\\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\\n if (a == 0) return (true, 0);\\n uint256 c = a * b;\\n if (c / a != b) return (false, 0);\\n return (true, c);\\n }\\n\\n /**\\n * @dev Returns the division of two unsigned integers, with a division by zero flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n if (b == 0) return (false, 0);\\n return (true, a / b);\\n }\\n\\n /**\\n * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n if (b == 0) return (false, 0);\\n return (true, a % b);\\n }\\n\\n /**\\n * @dev Returns the addition of two unsigned integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `+` operator.\\n *\\n * Requirements:\\n *\\n * - Addition cannot overflow.\\n */\\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\\n uint256 c = a + b;\\n require(c >= a, \\\"SafeMath: addition overflow\\\");\\n return c;\\n }\\n\\n /**\\n * @dev Returns the subtraction of two unsigned integers, reverting on\\n * overflow (when the result is negative).\\n *\\n * Counterpart to Solidity's `-` operator.\\n *\\n * Requirements:\\n *\\n * - Subtraction cannot overflow.\\n */\\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\\n require(b <= a, \\\"SafeMath: subtraction overflow\\\");\\n return a - b;\\n }\\n\\n /**\\n * @dev Returns the multiplication of two unsigned integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `*` operator.\\n *\\n * Requirements:\\n *\\n * - Multiplication cannot overflow.\\n */\\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\\n if (a == 0) return 0;\\n uint256 c = a * b;\\n require(c / a == b, \\\"SafeMath: multiplication overflow\\\");\\n return c;\\n }\\n\\n /**\\n * @dev Returns the integer division of two unsigned integers, reverting on\\n * division by zero. The result is rounded towards zero.\\n *\\n * Counterpart to Solidity's `/` operator. Note: this function uses a\\n * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n * uses an invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\\n require(b > 0, \\\"SafeMath: division by zero\\\");\\n return a / b;\\n }\\n\\n /**\\n * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n * reverting when dividing by zero.\\n *\\n * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n * opcode (which leaves remaining gas untouched) while Solidity uses an\\n * invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\\n require(b > 0, \\\"SafeMath: modulo by zero\\\");\\n return a % b;\\n }\\n\\n /**\\n * @dev Returns the subtraction of two unsigned integers, reverting with custom message on\\n * overflow (when the result is negative).\\n *\\n * CAUTION: This function is deprecated because it requires allocating memory for the error\\n * message unnecessarily. For custom revert reasons use {trySub}.\\n *\\n * Counterpart to Solidity's `-` operator.\\n *\\n * Requirements:\\n *\\n * - Subtraction cannot overflow.\\n */\\n function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b <= a, errorMessage);\\n return a - b;\\n }\\n\\n /**\\n * @dev Returns the integer division of two unsigned integers, reverting with custom message on\\n * division by zero. The result is rounded towards zero.\\n *\\n * CAUTION: This function is deprecated because it requires allocating memory for the error\\n * message unnecessarily. For custom revert reasons use {tryDiv}.\\n *\\n * Counterpart to Solidity's `/` operator. Note: this function uses a\\n * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n * uses an invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b > 0, errorMessage);\\n return a / b;\\n }\\n\\n /**\\n * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n * reverting with custom message when dividing by zero.\\n *\\n * CAUTION: This function is deprecated because it requires allocating memory for the error\\n * message unnecessarily. For custom revert reasons use {tryMod}.\\n *\\n * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n * opcode (which leaves remaining gas untouched) while Solidity uses an\\n * invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b > 0, errorMessage);\\n return a % b;\\n }\\n}\\n\",\"keccak256\":\"0xcc78a17dd88fa5a2edc60c8489e2f405c0913b377216a5b26b35656b2d0dab52\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/ERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\nimport \\\"../../utils/Context.sol\\\";\\nimport \\\"./IERC20.sol\\\";\\nimport \\\"../../math/SafeMath.sol\\\";\\n\\n/**\\n * @dev Implementation of the {IERC20} interface.\\n *\\n * This implementation is agnostic to the way tokens are created. This means\\n * that a supply mechanism has to be added in a derived contract using {_mint}.\\n * For a generic mechanism see {ERC20PresetMinterPauser}.\\n *\\n * TIP: For a detailed writeup see our guide\\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\\n * to implement supply mechanisms].\\n *\\n * We have followed general OpenZeppelin guidelines: functions revert instead\\n * of returning `false` on failure. This behavior is nonetheless conventional\\n * and does not conflict with the expectations of ERC20 applications.\\n *\\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\\n * This allows applications to reconstruct the allowance for all accounts just\\n * by listening to said events. Other implementations of the EIP may not emit\\n * these events, as it isn't required by the specification.\\n *\\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\\n * functions have been added to mitigate the well-known issues around setting\\n * allowances. See {IERC20-approve}.\\n */\\ncontract ERC20 is Context, IERC20 {\\n using SafeMath for uint256;\\n\\n mapping (address => uint256) private _balances;\\n\\n mapping (address => mapping (address => uint256)) private _allowances;\\n\\n uint256 private _totalSupply;\\n\\n string private _name;\\n string private _symbol;\\n uint8 private _decimals;\\n\\n /**\\n * @dev Sets the values for {name} and {symbol}, initializes {decimals} with\\n * a default value of 18.\\n *\\n * To select a different value for {decimals}, use {_setupDecimals}.\\n *\\n * All three of these values are immutable: they can only be set once during\\n * construction.\\n */\\n constructor (string memory name_, string memory symbol_) public {\\n _name = name_;\\n _symbol = symbol_;\\n _decimals = 18;\\n }\\n\\n /**\\n * @dev Returns the name of the token.\\n */\\n function name() public view virtual returns (string memory) {\\n return _name;\\n }\\n\\n /**\\n * @dev Returns the symbol of the token, usually a shorter version of the\\n * name.\\n */\\n function symbol() public view virtual returns (string memory) {\\n return _symbol;\\n }\\n\\n /**\\n * @dev Returns the number of decimals used to get its user representation.\\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\\n * be displayed to a user as `5,05` (`505 / 10 ** 2`).\\n *\\n * Tokens usually opt for a value of 18, imitating the relationship between\\n * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is\\n * called.\\n *\\n * NOTE: This information is only used for _display_ purposes: it in\\n * no way affects any of the arithmetic of the contract, including\\n * {IERC20-balanceOf} and {IERC20-transfer}.\\n */\\n function decimals() public view virtual returns (uint8) {\\n return _decimals;\\n }\\n\\n /**\\n * @dev See {IERC20-totalSupply}.\\n */\\n function totalSupply() public view virtual override returns (uint256) {\\n return _totalSupply;\\n }\\n\\n /**\\n * @dev See {IERC20-balanceOf}.\\n */\\n function balanceOf(address account) public view virtual override returns (uint256) {\\n return _balances[account];\\n }\\n\\n /**\\n * @dev See {IERC20-transfer}.\\n *\\n * Requirements:\\n *\\n * - `recipient` cannot be the zero address.\\n * - the caller must have a balance of at least `amount`.\\n */\\n function transfer(address recipient, uint256 amount) public virtual override returns (bool) {\\n _transfer(_msgSender(), recipient, amount);\\n return true;\\n }\\n\\n /**\\n * @dev See {IERC20-allowance}.\\n */\\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\\n return _allowances[owner][spender];\\n }\\n\\n /**\\n * @dev See {IERC20-approve}.\\n *\\n * Requirements:\\n *\\n * - `spender` cannot be the zero address.\\n */\\n function approve(address spender, uint256 amount) public virtual override returns (bool) {\\n _approve(_msgSender(), spender, amount);\\n return true;\\n }\\n\\n /**\\n * @dev See {IERC20-transferFrom}.\\n *\\n * Emits an {Approval} event indicating the updated allowance. This is not\\n * required by the EIP. See the note at the beginning of {ERC20}.\\n *\\n * Requirements:\\n *\\n * - `sender` and `recipient` cannot be the zero address.\\n * - `sender` must have a balance of at least `amount`.\\n * - the caller must have allowance for ``sender``'s tokens of at least\\n * `amount`.\\n */\\n function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {\\n _transfer(sender, recipient, amount);\\n _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, \\\"ERC20: transfer amount exceeds allowance\\\"));\\n return true;\\n }\\n\\n /**\\n * @dev Atomically increases the allowance granted to `spender` by the caller.\\n *\\n * This is an alternative to {approve} that can be used as a mitigation for\\n * problems described in {IERC20-approve}.\\n *\\n * Emits an {Approval} event indicating the updated allowance.\\n *\\n * Requirements:\\n *\\n * - `spender` cannot be the zero address.\\n */\\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\\n _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));\\n return true;\\n }\\n\\n /**\\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\\n *\\n * This is an alternative to {approve} that can be used as a mitigation for\\n * problems described in {IERC20-approve}.\\n *\\n * Emits an {Approval} event indicating the updated allowance.\\n *\\n * Requirements:\\n *\\n * - `spender` cannot be the zero address.\\n * - `spender` must have allowance for the caller of at least\\n * `subtractedValue`.\\n */\\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\\n _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, \\\"ERC20: decreased allowance below zero\\\"));\\n return true;\\n }\\n\\n /**\\n * @dev Moves tokens `amount` from `sender` to `recipient`.\\n *\\n * This is internal function is equivalent to {transfer}, and can be used to\\n * e.g. implement automatic token fees, slashing mechanisms, etc.\\n *\\n * Emits a {Transfer} event.\\n *\\n * Requirements:\\n *\\n * - `sender` cannot be the zero address.\\n * - `recipient` cannot be the zero address.\\n * - `sender` must have a balance of at least `amount`.\\n */\\n function _transfer(address sender, address recipient, uint256 amount) internal virtual {\\n require(sender != address(0), \\\"ERC20: transfer from the zero address\\\");\\n require(recipient != address(0), \\\"ERC20: transfer to the zero address\\\");\\n\\n _beforeTokenTransfer(sender, recipient, amount);\\n\\n _balances[sender] = _balances[sender].sub(amount, \\\"ERC20: transfer amount exceeds balance\\\");\\n _balances[recipient] = _balances[recipient].add(amount);\\n emit Transfer(sender, recipient, amount);\\n }\\n\\n /** @dev Creates `amount` tokens and assigns them to `account`, increasing\\n * the total supply.\\n *\\n * Emits a {Transfer} event with `from` set to the zero address.\\n *\\n * Requirements:\\n *\\n * - `to` cannot be the zero address.\\n */\\n function _mint(address account, uint256 amount) internal virtual {\\n require(account != address(0), \\\"ERC20: mint to the zero address\\\");\\n\\n _beforeTokenTransfer(address(0), account, amount);\\n\\n _totalSupply = _totalSupply.add(amount);\\n _balances[account] = _balances[account].add(amount);\\n emit Transfer(address(0), account, amount);\\n }\\n\\n /**\\n * @dev Destroys `amount` tokens from `account`, reducing the\\n * total supply.\\n *\\n * Emits a {Transfer} event with `to` set to the zero address.\\n *\\n * Requirements:\\n *\\n * - `account` cannot be the zero address.\\n * - `account` must have at least `amount` tokens.\\n */\\n function _burn(address account, uint256 amount) internal virtual {\\n require(account != address(0), \\\"ERC20: burn from the zero address\\\");\\n\\n _beforeTokenTransfer(account, address(0), amount);\\n\\n _balances[account] = _balances[account].sub(amount, \\\"ERC20: burn amount exceeds balance\\\");\\n _totalSupply = _totalSupply.sub(amount);\\n emit Transfer(account, address(0), amount);\\n }\\n\\n /**\\n * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\\n *\\n * This internal function is equivalent to `approve`, and can be used to\\n * e.g. set automatic allowances for certain subsystems, etc.\\n *\\n * Emits an {Approval} event.\\n *\\n * Requirements:\\n *\\n * - `owner` cannot be the zero address.\\n * - `spender` cannot be the zero address.\\n */\\n function _approve(address owner, address spender, uint256 amount) internal virtual {\\n require(owner != address(0), \\\"ERC20: approve from the zero address\\\");\\n require(spender != address(0), \\\"ERC20: approve to the zero address\\\");\\n\\n _allowances[owner][spender] = amount;\\n emit Approval(owner, spender, amount);\\n }\\n\\n /**\\n * @dev Sets {decimals} to a value other than the default one of 18.\\n *\\n * WARNING: This function should only be called from the constructor. Most\\n * applications that interact with token contracts will not expect\\n * {decimals} to ever change, and may work incorrectly if it does.\\n */\\n function _setupDecimals(uint8 decimals_) internal virtual {\\n _decimals = decimals_;\\n }\\n\\n /**\\n * @dev Hook that is called before any transfer of tokens. This includes\\n * minting and burning.\\n *\\n * Calling conditions:\\n *\\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\\n * will be to transferred to `to`.\\n * - when `from` is zero, `amount` tokens will be minted for `to`.\\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\\n * - `from` and `to` are never both zero.\\n *\\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\\n */\\n function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }\\n}\\n\",\"keccak256\":\"0xca0c2396dbeb3503b51abf4248ebf77a1461edad513c01529df51850a012bee3\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\n/**\\n * @dev Interface of the ERC20 standard as defined in the EIP.\\n */\\ninterface IERC20 {\\n /**\\n * @dev Returns the amount of tokens in existence.\\n */\\n function totalSupply() external view returns (uint256);\\n\\n /**\\n * @dev Returns the amount of tokens owned by `account`.\\n */\\n function balanceOf(address account) external view returns (uint256);\\n\\n /**\\n * @dev Moves `amount` tokens from the caller's account to `recipient`.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transfer(address recipient, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Returns the remaining number of tokens that `spender` will be\\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\\n * zero by default.\\n *\\n * This value changes when {approve} or {transferFrom} are called.\\n */\\n function allowance(address owner, address spender) external view returns (uint256);\\n\\n /**\\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\\n * that someone may use both the old and the new allowance by unfortunate\\n * transaction ordering. One possible solution to mitigate this race\\n * condition is to first reduce the spender's allowance to 0 and set the\\n * desired value afterwards:\\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\\n *\\n * Emits an {Approval} event.\\n */\\n function approve(address spender, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Moves `amount` tokens from `sender` to `recipient` using the\\n * allowance mechanism. `amount` is then deducted from the caller's\\n * allowance.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\\n * another (`to`).\\n *\\n * Note that `value` may be zero.\\n */\\n event Transfer(address indexed from, address indexed to, uint256 value);\\n\\n /**\\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\\n * a call to {approve}. `value` is the new allowance.\\n */\\n event Approval(address indexed owner, address indexed spender, uint256 value);\\n}\\n\",\"keccak256\":\"0x5f02220344881ce43204ae4a6281145a67bc52c2bb1290a791857df3d19d78f5\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/SafeERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\nimport \\\"./IERC20.sol\\\";\\nimport \\\"../../math/SafeMath.sol\\\";\\nimport \\\"../../utils/Address.sol\\\";\\n\\n/**\\n * @title SafeERC20\\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\\n * contract returns false). Tokens that return no value (and instead revert or\\n * throw on failure) are also supported, non-reverting calls are assumed to be\\n * successful.\\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\\n */\\nlibrary SafeERC20 {\\n using SafeMath for uint256;\\n using Address for address;\\n\\n function safeTransfer(IERC20 token, address to, uint256 value) internal {\\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\\n }\\n\\n function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\\n }\\n\\n /**\\n * @dev Deprecated. This function has issues similar to the ones found in\\n * {IERC20-approve}, and its usage is discouraged.\\n *\\n * Whenever possible, use {safeIncreaseAllowance} and\\n * {safeDecreaseAllowance} instead.\\n */\\n function safeApprove(IERC20 token, address spender, uint256 value) internal {\\n // safeApprove should only be called when setting an initial allowance,\\n // or when resetting it to zero. To increase and decrease it, use\\n // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\\n // solhint-disable-next-line max-line-length\\n require((value == 0) || (token.allowance(address(this), spender) == 0),\\n \\\"SafeERC20: approve from non-zero to non-zero allowance\\\"\\n );\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\\n }\\n\\n function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\\n uint256 newAllowance = token.allowance(address(this), spender).add(value);\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n }\\n\\n function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {\\n uint256 newAllowance = token.allowance(address(this), spender).sub(value, \\\"SafeERC20: decreased allowance below zero\\\");\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n }\\n\\n /**\\n * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\\n * on the return value: the return value is optional (but if data is returned, it must not be false).\\n * @param token The token targeted by the call.\\n * @param data The call data (encoded using abi.encode or one of its variants).\\n */\\n function _callOptionalReturn(IERC20 token, bytes memory data) private {\\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\\n // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\\n // the target address contains contract code and also asserts for success in the low-level call.\\n\\n bytes memory returndata = address(token).functionCall(data, \\\"SafeERC20: low-level call failed\\\");\\n if (returndata.length > 0) { // Return data is optional\\n // solhint-disable-next-line max-line-length\\n require(abi.decode(returndata, (bool)), \\\"SafeERC20: ERC20 operation did not succeed\\\");\\n }\\n }\\n}\\n\",\"keccak256\":\"0xf12dfbe97e6276980b83d2830bb0eb75e0cf4f3e626c2471137f82158ae6a0fc\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Address.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.2 <0.8.0;\\n\\n/**\\n * @dev Collection of functions related to the address type\\n */\\nlibrary Address {\\n /**\\n * @dev Returns true if `account` is a contract.\\n *\\n * [IMPORTANT]\\n * ====\\n * It is unsafe to assume that an address for which this function returns\\n * false is an externally-owned account (EOA) and not a contract.\\n *\\n * Among others, `isContract` will return false for the following\\n * types of addresses:\\n *\\n * - an externally-owned account\\n * - a contract in construction\\n * - an address where a contract will be created\\n * - an address where a contract lived, but was destroyed\\n * ====\\n */\\n function isContract(address account) internal view returns (bool) {\\n // This method relies on extcodesize, which returns 0 for contracts in\\n // construction, since the code is only stored at the end of the\\n // constructor execution.\\n\\n uint256 size;\\n // solhint-disable-next-line no-inline-assembly\\n assembly { size := extcodesize(account) }\\n return size > 0;\\n }\\n\\n /**\\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\\n * `recipient`, forwarding all available gas and reverting on errors.\\n *\\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\\n * imposed by `transfer`, making them unable to receive funds via\\n * `transfer`. {sendValue} removes this limitation.\\n *\\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\\n *\\n * IMPORTANT: because control is transferred to `recipient`, care must be\\n * taken to not create reentrancy vulnerabilities. Consider using\\n * {ReentrancyGuard} or the\\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\\n */\\n function sendValue(address payable recipient, uint256 amount) internal {\\n require(address(this).balance >= amount, \\\"Address: insufficient balance\\\");\\n\\n // solhint-disable-next-line avoid-low-level-calls, avoid-call-value\\n (bool success, ) = recipient.call{ value: amount }(\\\"\\\");\\n require(success, \\\"Address: unable to send value, recipient may have reverted\\\");\\n }\\n\\n /**\\n * @dev Performs a Solidity function call using a low level `call`. A\\n * plain`call` is an unsafe replacement for a function call: use this\\n * function instead.\\n *\\n * If `target` reverts with a revert reason, it is bubbled up by this\\n * function (like regular Solidity function calls).\\n *\\n * Returns the raw returned data. To convert to the expected return value,\\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\\n *\\n * Requirements:\\n *\\n * - `target` must be a contract.\\n * - calling `target` with `data` must not revert.\\n *\\n * _Available since v3.1._\\n */\\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\\n return functionCall(target, data, \\\"Address: low-level call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\\n * `errorMessage` as a fallback revert reason when `target` reverts.\\n *\\n * _Available since v3.1._\\n */\\n function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\\n return functionCallWithValue(target, data, 0, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but also transferring `value` wei to `target`.\\n *\\n * Requirements:\\n *\\n * - the calling contract must have an ETH balance of at least `value`.\\n * - the called Solidity function must be `payable`.\\n *\\n * _Available since v3.1._\\n */\\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\\n return functionCallWithValue(target, data, value, \\\"Address: low-level call with value failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\\n * with `errorMessage` as a fallback revert reason when `target` reverts.\\n *\\n * _Available since v3.1._\\n */\\n function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {\\n require(address(this).balance >= value, \\\"Address: insufficient balance for call\\\");\\n require(isContract(target), \\\"Address: call to non-contract\\\");\\n\\n // solhint-disable-next-line avoid-low-level-calls\\n (bool success, bytes memory returndata) = target.call{ value: value }(data);\\n return _verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but performing a static call.\\n *\\n * _Available since v3.3._\\n */\\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\\n return functionStaticCall(target, data, \\\"Address: low-level static call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n * but performing a static call.\\n *\\n * _Available since v3.3._\\n */\\n function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {\\n require(isContract(target), \\\"Address: static call to non-contract\\\");\\n\\n // solhint-disable-next-line avoid-low-level-calls\\n (bool success, bytes memory returndata) = target.staticcall(data);\\n return _verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but performing a delegate call.\\n *\\n * _Available since v3.4._\\n */\\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\\n return functionDelegateCall(target, data, \\\"Address: low-level delegate call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n * but performing a delegate call.\\n *\\n * _Available since v3.4._\\n */\\n function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\\n require(isContract(target), \\\"Address: delegate call to non-contract\\\");\\n\\n // solhint-disable-next-line avoid-low-level-calls\\n (bool success, bytes memory returndata) = target.delegatecall(data);\\n return _verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {\\n if (success) {\\n return returndata;\\n } else {\\n // Look for revert reason and bubble it up if present\\n if (returndata.length > 0) {\\n // The easiest way to bubble the revert reason is using memory via assembly\\n\\n // solhint-disable-next-line no-inline-assembly\\n assembly {\\n let returndata_size := mload(returndata)\\n revert(add(32, returndata), returndata_size)\\n }\\n } else {\\n revert(errorMessage);\\n }\\n }\\n }\\n}\\n\",\"keccak256\":\"0x28911e614500ae7c607a432a709d35da25f3bc5ddc8bd12b278b66358070c0ea\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Context.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\n/*\\n * @dev Provides information about the current execution context, including the\\n * sender of the transaction and its data. While these are generally available\\n * via msg.sender and msg.data, they should not be accessed in such a direct\\n * manner, since when dealing with GSN meta-transactions the account sending and\\n * paying for execution may not be the actual sender (as far as an application\\n * is concerned).\\n *\\n * This contract is only required for intermediate, library-like contracts.\\n */\\nabstract contract Context {\\n function _msgSender() internal view virtual returns (address payable) {\\n return msg.sender;\\n }\\n\\n function _msgData() internal view virtual returns (bytes memory) {\\n this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691\\n return msg.data;\\n }\\n}\\n\",\"keccak256\":\"0x8d3cb350f04ff49cfb10aef08d87f19dcbaecc8027b0bed12f3275cd12f38cf0\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/EnumerableSet.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\n/**\\n * @dev Library for managing\\n * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive\\n * types.\\n *\\n * Sets have the following properties:\\n *\\n * - Elements are added, removed, and checked for existence in constant time\\n * (O(1)).\\n * - Elements are enumerated in O(n). No guarantees are made on the ordering.\\n *\\n * ```\\n * contract Example {\\n * // Add the library methods\\n * using EnumerableSet for EnumerableSet.AddressSet;\\n *\\n * // Declare a set state variable\\n * EnumerableSet.AddressSet private mySet;\\n * }\\n * ```\\n *\\n * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)\\n * and `uint256` (`UintSet`) are supported.\\n */\\nlibrary EnumerableSet {\\n // To implement this library for multiple types with as little code\\n // repetition as possible, we write it in terms of a generic Set type with\\n // bytes32 values.\\n // The Set implementation uses private functions, and user-facing\\n // implementations (such as AddressSet) are just wrappers around the\\n // underlying Set.\\n // This means that we can only create new EnumerableSets for types that fit\\n // in bytes32.\\n\\n struct Set {\\n // Storage of set values\\n bytes32[] _values;\\n\\n // Position of the value in the `values` array, plus 1 because index 0\\n // means a value is not in the set.\\n mapping (bytes32 => uint256) _indexes;\\n }\\n\\n /**\\n * @dev Add a value to a set. O(1).\\n *\\n * Returns true if the value was added to the set, that is if it was not\\n * already present.\\n */\\n function _add(Set storage set, bytes32 value) private returns (bool) {\\n if (!_contains(set, value)) {\\n set._values.push(value);\\n // The value is stored at length-1, but we add 1 to all indexes\\n // and use 0 as a sentinel value\\n set._indexes[value] = set._values.length;\\n return true;\\n } else {\\n return false;\\n }\\n }\\n\\n /**\\n * @dev Removes a value from a set. O(1).\\n *\\n * Returns true if the value was removed from the set, that is if it was\\n * present.\\n */\\n function _remove(Set storage set, bytes32 value) private returns (bool) {\\n // We read and store the value's index to prevent multiple reads from the same storage slot\\n uint256 valueIndex = set._indexes[value];\\n\\n if (valueIndex != 0) { // Equivalent to contains(set, value)\\n // To delete an element from the _values array in O(1), we swap the element to delete with the last one in\\n // the array, and then remove the last element (sometimes called as 'swap and pop').\\n // This modifies the order of the array, as noted in {at}.\\n\\n uint256 toDeleteIndex = valueIndex - 1;\\n uint256 lastIndex = set._values.length - 1;\\n\\n // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs\\n // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.\\n\\n bytes32 lastvalue = set._values[lastIndex];\\n\\n // Move the last value to the index where the value to delete is\\n set._values[toDeleteIndex] = lastvalue;\\n // Update the index for the moved value\\n set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based\\n\\n // Delete the slot where the moved value was stored\\n set._values.pop();\\n\\n // Delete the index for the deleted slot\\n delete set._indexes[value];\\n\\n return true;\\n } else {\\n return false;\\n }\\n }\\n\\n /**\\n * @dev Returns true if the value is in the set. O(1).\\n */\\n function _contains(Set storage set, bytes32 value) private view returns (bool) {\\n return set._indexes[value] != 0;\\n }\\n\\n /**\\n * @dev Returns the number of values on the set. O(1).\\n */\\n function _length(Set storage set) private view returns (uint256) {\\n return set._values.length;\\n }\\n\\n /**\\n * @dev Returns the value stored at position `index` in the set. O(1).\\n *\\n * Note that there are no guarantees on the ordering of values inside the\\n * array, and it may change when more values are added or removed.\\n *\\n * Requirements:\\n *\\n * - `index` must be strictly less than {length}.\\n */\\n function _at(Set storage set, uint256 index) private view returns (bytes32) {\\n require(set._values.length > index, \\\"EnumerableSet: index out of bounds\\\");\\n return set._values[index];\\n }\\n\\n // Bytes32Set\\n\\n struct Bytes32Set {\\n Set _inner;\\n }\\n\\n /**\\n * @dev Add a value to a set. O(1).\\n *\\n * Returns true if the value was added to the set, that is if it was not\\n * already present.\\n */\\n function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {\\n return _add(set._inner, value);\\n }\\n\\n /**\\n * @dev Removes a value from a set. O(1).\\n *\\n * Returns true if the value was removed from the set, that is if it was\\n * present.\\n */\\n function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {\\n return _remove(set._inner, value);\\n }\\n\\n /**\\n * @dev Returns true if the value is in the set. O(1).\\n */\\n function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {\\n return _contains(set._inner, value);\\n }\\n\\n /**\\n * @dev Returns the number of values in the set. O(1).\\n */\\n function length(Bytes32Set storage set) internal view returns (uint256) {\\n return _length(set._inner);\\n }\\n\\n /**\\n * @dev Returns the value stored at position `index` in the set. O(1).\\n *\\n * Note that there are no guarantees on the ordering of values inside the\\n * array, and it may change when more values are added or removed.\\n *\\n * Requirements:\\n *\\n * - `index` must be strictly less than {length}.\\n */\\n function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {\\n return _at(set._inner, index);\\n }\\n\\n // AddressSet\\n\\n struct AddressSet {\\n Set _inner;\\n }\\n\\n /**\\n * @dev Add a value to a set. O(1).\\n *\\n * Returns true if the value was added to the set, that is if it was not\\n * already present.\\n */\\n function add(AddressSet storage set, address value) internal returns (bool) {\\n return _add(set._inner, bytes32(uint256(uint160(value))));\\n }\\n\\n /**\\n * @dev Removes a value from a set. O(1).\\n *\\n * Returns true if the value was removed from the set, that is if it was\\n * present.\\n */\\n function remove(AddressSet storage set, address value) internal returns (bool) {\\n return _remove(set._inner, bytes32(uint256(uint160(value))));\\n }\\n\\n /**\\n * @dev Returns true if the value is in the set. O(1).\\n */\\n function contains(AddressSet storage set, address value) internal view returns (bool) {\\n return _contains(set._inner, bytes32(uint256(uint160(value))));\\n }\\n\\n /**\\n * @dev Returns the number of values in the set. O(1).\\n */\\n function length(AddressSet storage set) internal view returns (uint256) {\\n return _length(set._inner);\\n }\\n\\n /**\\n * @dev Returns the value stored at position `index` in the set. O(1).\\n *\\n * Note that there are no guarantees on the ordering of values inside the\\n * array, and it may change when more values are added or removed.\\n *\\n * Requirements:\\n *\\n * - `index` must be strictly less than {length}.\\n */\\n function at(AddressSet storage set, uint256 index) internal view returns (address) {\\n return address(uint160(uint256(_at(set._inner, index))));\\n }\\n\\n\\n // UintSet\\n\\n struct UintSet {\\n Set _inner;\\n }\\n\\n /**\\n * @dev Add a value to a set. O(1).\\n *\\n * Returns true if the value was added to the set, that is if it was not\\n * already present.\\n */\\n function add(UintSet storage set, uint256 value) internal returns (bool) {\\n return _add(set._inner, bytes32(value));\\n }\\n\\n /**\\n * @dev Removes a value from a set. O(1).\\n *\\n * Returns true if the value was removed from the set, that is if it was\\n * present.\\n */\\n function remove(UintSet storage set, uint256 value) internal returns (bool) {\\n return _remove(set._inner, bytes32(value));\\n }\\n\\n /**\\n * @dev Returns true if the value is in the set. O(1).\\n */\\n function contains(UintSet storage set, uint256 value) internal view returns (bool) {\\n return _contains(set._inner, bytes32(value));\\n }\\n\\n /**\\n * @dev Returns the number of values on the set. O(1).\\n */\\n function length(UintSet storage set) internal view returns (uint256) {\\n return _length(set._inner);\\n }\\n\\n /**\\n * @dev Returns the value stored at position `index` in the set. O(1).\\n *\\n * Note that there are no guarantees on the ordering of values inside the\\n * array, and it may change when more values are added or removed.\\n *\\n * Requirements:\\n *\\n * - `index` must be strictly less than {length}.\\n */\\n function at(UintSet storage set, uint256 index) internal view returns (uint256) {\\n return uint256(_at(set._inner, index));\\n }\\n}\\n\",\"keccak256\":\"0x1562cd9922fbf739edfb979f506809e2743789cbde3177515542161c3d04b164\",\"license\":\"MIT\"},\"contracts/JoeToken.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity 0.6.12;\\n\\nimport \\\"@openzeppelin/contracts/token/ERC20/ERC20.sol\\\";\\nimport \\\"@openzeppelin/contracts/access/Ownable.sol\\\";\\n\\n// JoeToken with Governance.\\ncontract JoeToken is ERC20(\\\"JoeToken\\\", \\\"JOE\\\"), Ownable {\\n /// @notice Total number of tokens\\n uint256 maxSupply = 500_000_000e18; // 500 million Joe\\n\\n /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (MasterJoe).\\n function mint(address _to, uint256 _amount) public onlyOwner {\\n require(\\n totalSupply().add(_amount) <= maxSupply,\\n \\\"JOE::mint: cannot exceed max supply\\\"\\n );\\n _mint(_to, _amount);\\n _moveDelegates(address(0), _delegates[_to], _amount);\\n }\\n\\n // Copied and modified from YAM code:\\n // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernanceStorage.sol\\n // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernance.sol\\n // Which is copied and modified from COMPOUND:\\n // https://github.com/compound-finance/compound-protocol/blob/master/contracts/Governance/Comp.sol\\n\\n /// @notice A record of each accounts delegate\\n mapping(address => address) internal _delegates;\\n\\n /// @notice A checkpoint for marking number of votes from a given block\\n struct Checkpoint {\\n uint32 fromBlock;\\n uint256 votes;\\n }\\n\\n /// @notice A record of votes checkpoints for each account, by index\\n mapping(address => mapping(uint32 => Checkpoint)) public checkpoints;\\n\\n /// @notice The number of checkpoints for each account\\n mapping(address => uint32) public numCheckpoints;\\n\\n /// @notice The EIP-712 typehash for the contract's domain\\n bytes32 public constant DOMAIN_TYPEHASH =\\n keccak256(\\n \\\"EIP712Domain(string name,uint256 chainId,address verifyingContract)\\\"\\n );\\n\\n /// @notice The EIP-712 typehash for the delegation struct used by the contract\\n bytes32 public constant DELEGATION_TYPEHASH =\\n keccak256(\\\"Delegation(address delegatee,uint256 nonce,uint256 expiry)\\\");\\n\\n /// @notice A record of states for signing / validating signatures\\n mapping(address => uint256) public nonces;\\n\\n /// @notice An event thats emitted when an account changes its delegate\\n event DelegateChanged(\\n address indexed delegator,\\n address indexed fromDelegate,\\n address indexed toDelegate\\n );\\n\\n /// @notice An event thats emitted when a delegate account's vote balance changes\\n event DelegateVotesChanged(\\n address indexed delegate,\\n uint256 previousBalance,\\n uint256 newBalance\\n );\\n\\n /**\\n * @notice Delegate votes from `msg.sender` to `delegatee`\\n * @param delegator The address to get delegatee for\\n */\\n function delegates(address delegator) external view returns (address) {\\n return _delegates[delegator];\\n }\\n\\n /**\\n * @notice Delegate votes from `msg.sender` to `delegatee`\\n * @param delegatee The address to delegate votes to\\n */\\n function delegate(address delegatee) external {\\n return _delegate(msg.sender, delegatee);\\n }\\n\\n /**\\n * @notice Delegates votes from signatory to `delegatee`\\n * @param delegatee The address to delegate votes to\\n * @param nonce The contract state required to match the signature\\n * @param expiry The time at which to expire the signature\\n * @param v The recovery byte of the signature\\n * @param r Half of the ECDSA signature pair\\n * @param s Half of the ECDSA signature pair\\n */\\n function delegateBySig(\\n address delegatee,\\n uint256 nonce,\\n uint256 expiry,\\n uint8 v,\\n bytes32 r,\\n bytes32 s\\n ) external {\\n bytes32 domainSeparator = keccak256(\\n abi.encode(\\n DOMAIN_TYPEHASH,\\n keccak256(bytes(name())),\\n getChainId(),\\n address(this)\\n )\\n );\\n\\n bytes32 structHash = keccak256(\\n abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry)\\n );\\n\\n bytes32 digest = keccak256(\\n abi.encodePacked(\\\"\\\\x19\\\\x01\\\", domainSeparator, structHash)\\n );\\n\\n address signatory = ecrecover(digest, v, r, s);\\n require(\\n signatory != address(0),\\n \\\"JOE::delegateBySig: invalid signature\\\"\\n );\\n require(\\n nonce == nonces[signatory]++,\\n \\\"JOE::delegateBySig: invalid nonce\\\"\\n );\\n require(now <= expiry, \\\"JOE::delegateBySig: signature expired\\\");\\n return _delegate(signatory, delegatee);\\n }\\n\\n /**\\n * @notice Gets the current votes balance for `account`\\n * @param account The address to get votes balance\\n * @return The number of current votes for `account`\\n */\\n function getCurrentVotes(address account) external view returns (uint256) {\\n uint32 nCheckpoints = numCheckpoints[account];\\n return\\n nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;\\n }\\n\\n /**\\n * @notice Determine the prior number of votes for an account as of a block number\\n * @dev Block number must be a finalized block or else this function will revert to prevent misinformation.\\n * @param account The address of the account to check\\n * @param blockNumber The block number to get the vote balance at\\n * @return The number of votes the account had as of the given block\\n */\\n function getPriorVotes(address account, uint256 blockNumber)\\n external\\n view\\n returns (uint256)\\n {\\n require(\\n blockNumber < block.number,\\n \\\"JOE::getPriorVotes: not yet determined\\\"\\n );\\n\\n uint32 nCheckpoints = numCheckpoints[account];\\n if (nCheckpoints == 0) {\\n return 0;\\n }\\n\\n // First check most recent balance\\n if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {\\n return checkpoints[account][nCheckpoints - 1].votes;\\n }\\n\\n // Next check implicit zero balance\\n if (checkpoints[account][0].fromBlock > blockNumber) {\\n return 0;\\n }\\n\\n uint32 lower = 0;\\n uint32 upper = nCheckpoints - 1;\\n while (upper > lower) {\\n uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow\\n Checkpoint memory cp = checkpoints[account][center];\\n if (cp.fromBlock == blockNumber) {\\n return cp.votes;\\n } else if (cp.fromBlock < blockNumber) {\\n lower = center;\\n } else {\\n upper = center - 1;\\n }\\n }\\n return checkpoints[account][lower].votes;\\n }\\n\\n function _delegate(address delegator, address delegatee) internal {\\n address currentDelegate = _delegates[delegator];\\n uint256 delegatorBalance = balanceOf(delegator); // balance of underlying JOEs (not scaled);\\n _delegates[delegator] = delegatee;\\n\\n emit DelegateChanged(delegator, currentDelegate, delegatee);\\n\\n _moveDelegates(currentDelegate, delegatee, delegatorBalance);\\n }\\n\\n function _moveDelegates(\\n address srcRep,\\n address dstRep,\\n uint256 amount\\n ) internal {\\n if (srcRep != dstRep && amount > 0) {\\n if (srcRep != address(0)) {\\n // decrease old representative\\n uint32 srcRepNum = numCheckpoints[srcRep];\\n uint256 srcRepOld = srcRepNum > 0\\n ? checkpoints[srcRep][srcRepNum - 1].votes\\n : 0;\\n uint256 srcRepNew = srcRepOld.sub(amount);\\n _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);\\n }\\n\\n if (dstRep != address(0)) {\\n // increase new representative\\n uint32 dstRepNum = numCheckpoints[dstRep];\\n uint256 dstRepOld = dstRepNum > 0\\n ? checkpoints[dstRep][dstRepNum - 1].votes\\n : 0;\\n uint256 dstRepNew = dstRepOld.add(amount);\\n _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);\\n }\\n }\\n }\\n\\n function _writeCheckpoint(\\n address delegatee,\\n uint32 nCheckpoints,\\n uint256 oldVotes,\\n uint256 newVotes\\n ) internal {\\n uint32 blockNumber = safe32(\\n block.number,\\n \\\"JOE::_writeCheckpoint: block number exceeds 32 bits\\\"\\n );\\n\\n if (\\n nCheckpoints > 0 &&\\n checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber\\n ) {\\n checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;\\n } else {\\n checkpoints[delegatee][nCheckpoints] = Checkpoint(\\n blockNumber,\\n newVotes\\n );\\n numCheckpoints[delegatee] = nCheckpoints + 1;\\n }\\n\\n emit DelegateVotesChanged(delegatee, oldVotes, newVotes);\\n }\\n\\n function safe32(uint256 n, string memory errorMessage)\\n internal\\n pure\\n returns (uint32)\\n {\\n require(n < 2**32, errorMessage);\\n return uint32(n);\\n }\\n\\n function getChainId() internal pure returns (uint256) {\\n uint256 chainId;\\n assembly {\\n chainId := chainid()\\n }\\n return chainId;\\n }\\n}\\n\",\"keccak256\":\"0x46f5177490a9e6a8556a72af5bd6440399b14341972c60c73fd9aa93a98d3a21\",\"license\":\"MIT\"},\"contracts/MasterChefJoe.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity 0.6.12;\\n\\nimport \\\"@openzeppelin/contracts/token/ERC20/IERC20.sol\\\";\\nimport \\\"@openzeppelin/contracts/token/ERC20/SafeERC20.sol\\\";\\nimport \\\"@openzeppelin/contracts/utils/EnumerableSet.sol\\\";\\nimport \\\"@openzeppelin/contracts/math/SafeMath.sol\\\";\\nimport \\\"@openzeppelin/contracts/access/Ownable.sol\\\";\\nimport \\\"./JoeToken.sol\\\";\\n\\n// MasterChefJoe is a boss. He says \\\"go f your blocks lego boy, I'm gonna use timestamp instead\\\".\\n// And to top it off, it takes no risks. Because the biggest risk is operator error.\\n// So we make it virtually impossible for the operator of this contract to cause a bug with people's harvests.\\n//\\n// Note that it's ownable and the owner wields tremendous power. The ownership\\n// will be transferred to a governance smart contract once JOE is sufficiently\\n// distributed and the community can show to govern itself.\\n//\\n// With thanks to the Lydia Finance team.\\n//\\n// Godspeed and may the 10x be with you.\\ncontract MasterChefJoe is Ownable {\\n using SafeMath for uint256;\\n using SafeERC20 for IERC20;\\n\\n // Info of each user.\\n struct UserInfo {\\n uint256 amount; // How many LP tokens the user has provided.\\n uint256 rewardDebt; // Reward debt. See explanation below.\\n //\\n // We do some fancy math here. Basically, any point in time, the amount of JOEs\\n // entitled to a user but is pending to be distributed is:\\n //\\n // pending reward = (user.amount * pool.accJoePerShare) - user.rewardDebt\\n //\\n // Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:\\n // 1. The pool's `accJoePerShare` (and `lastRewardTimestamp`) gets updated.\\n // 2. User receives the pending reward sent to his/her address.\\n // 3. User's `amount` gets updated.\\n // 4. User's `rewardDebt` gets updated.\\n }\\n\\n // Info of each pool.\\n struct PoolInfo {\\n IERC20 lpToken; // Address of LP token contract.\\n uint256 allocPoint; // How many allocation points assigned to this pool. JOEs to distribute per second.\\n uint256 lastRewardTimestamp; // Last timestamp that JOEs distribution occurs.\\n uint256 accJoePerShare; // Accumulated JOEs per share, times 1e12. See below.\\n }\\n\\n // The JOE TOKEN!\\n JoeToken public joe;\\n // Dev address.\\n address public devaddr;\\n // Treasury address.\\n address public treasuryaddr;\\n // JOE tokens created per second.\\n uint256 public joePerSec;\\n // Percentage of pool rewards that goto the devs.\\n uint256 public devPercent; // 20%\\n // Percentage of pool rewards that goes to the treasury.\\n uint256 public treasuryPercent; // 20%\\n\\n // Info of each pool.\\n PoolInfo[] public poolInfo;\\n // Mapping to check which LP tokens have been added as pools.\\n mapping(IERC20 => bool) public isPool;\\n // Info of each user that stakes LP tokens.\\n mapping(uint256 => mapping(address => UserInfo)) public userInfo;\\n // Total allocation points. Must be the sum of all allocation points in all pools.\\n uint256 public totalAllocPoint = 0;\\n // The timestamp when JOE mining starts.\\n uint256 public startTimestamp;\\n\\n event Add(address indexed lpToken, uint256 allocPoint);\\n event Set(uint256 indexed pid, uint256 allocPoint);\\n event Deposit(address indexed user, uint256 indexed pid, uint256 amount);\\n event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);\\n event EmergencyWithdraw(\\n address indexed user,\\n uint256 indexed pid,\\n uint256 amount\\n );\\n event SetDevAddress(address indexed oldAddress, address indexed newAddress);\\n event UpdateEmissionRate(address indexed user, uint256 _joePerSec);\\n\\n constructor(\\n JoeToken _joe,\\n address _devaddr,\\n address _treasuryaddr,\\n uint256 _joePerSec,\\n uint256 _startTimestamp,\\n uint256 _devPercent,\\n uint256 _treasuryPercent\\n ) public {\\n require(\\n 0 <= _devPercent && _devPercent <= 1000,\\n \\\"constructor: invalid dev percent value\\\"\\n );\\n require(\\n 0 <= _treasuryPercent && _treasuryPercent <= 1000,\\n \\\"constructor: invalid treasury percent value\\\"\\n );\\n require(\\n _devPercent + _treasuryPercent <= 1000,\\n \\\"constructor: total percent over max\\\"\\n );\\n joe = _joe;\\n devaddr = _devaddr;\\n treasuryaddr = _treasuryaddr;\\n joePerSec = _joePerSec;\\n startTimestamp = _startTimestamp;\\n devPercent = _devPercent;\\n treasuryPercent = _treasuryPercent;\\n }\\n\\n function poolLength() external view returns (uint256) {\\n return poolInfo.length;\\n }\\n\\n // Add a new lp to the pool. Can only be called by the owner.\\n // XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.\\n function add(uint256 _allocPoint, IERC20 _lpToken) public onlyOwner {\\n require(!isPool[_lpToken], \\\"add: LP already added\\\");\\n massUpdatePools();\\n uint256 lastRewardTimestamp = block.timestamp > startTimestamp\\n ? block.timestamp\\n : startTimestamp;\\n totalAllocPoint = totalAllocPoint.add(_allocPoint);\\n poolInfo.push(\\n PoolInfo({\\n lpToken: _lpToken,\\n allocPoint: _allocPoint,\\n lastRewardTimestamp: lastRewardTimestamp,\\n accJoePerShare: 0\\n })\\n );\\n isPool[_lpToken] = true;\\n emit Add(address(_lpToken), _allocPoint);\\n }\\n\\n // Update the given pool's JOE allocation point. Can only be called by the owner.\\n function set(uint256 _pid, uint256 _allocPoint) public onlyOwner {\\n massUpdatePools();\\n totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(\\n _allocPoint\\n );\\n poolInfo[_pid].allocPoint = _allocPoint;\\n emit Set(_pid, _allocPoint);\\n }\\n\\n // View function to see pending JOEs on frontend.\\n function pendingJoe(uint256 _pid, address _user)\\n external\\n view\\n returns (uint256)\\n {\\n PoolInfo storage pool = poolInfo[_pid];\\n UserInfo storage user = userInfo[_pid][_user];\\n uint256 accJoePerShare = pool.accJoePerShare;\\n uint256 lpSupply = pool.lpToken.balanceOf(address(this));\\n if (block.timestamp > pool.lastRewardTimestamp && lpSupply != 0) {\\n uint256 multiplier = block.timestamp.sub(pool.lastRewardTimestamp);\\n uint256 joeReward = multiplier\\n .mul(joePerSec)\\n .mul(pool.allocPoint)\\n .div(totalAllocPoint)\\n .mul(1000 - devPercent - treasuryPercent)\\n .div(1000);\\n accJoePerShare = accJoePerShare.add(\\n joeReward.mul(1e12).div(lpSupply)\\n );\\n }\\n return user.amount.mul(accJoePerShare).div(1e12).sub(user.rewardDebt);\\n }\\n\\n // Update reward variables for all pools. Be careful of gas spending!\\n function massUpdatePools() public {\\n uint256 length = poolInfo.length;\\n for (uint256 pid = 0; pid < length; ++pid) {\\n updatePool(pid);\\n }\\n }\\n\\n // Update reward variables of the given pool to be up-to-date.\\n function updatePool(uint256 _pid) public {\\n PoolInfo storage pool = poolInfo[_pid];\\n if (block.timestamp <= pool.lastRewardTimestamp) {\\n return;\\n }\\n uint256 lpSupply = pool.lpToken.balanceOf(address(this));\\n if (lpSupply == 0) {\\n pool.lastRewardTimestamp = block.timestamp;\\n return;\\n }\\n uint256 multiplier = block.timestamp.sub(pool.lastRewardTimestamp);\\n uint256 joeReward = multiplier.mul(joePerSec).mul(pool.allocPoint).div(\\n totalAllocPoint\\n );\\n uint256 lpPercent = 1000 - devPercent - treasuryPercent;\\n joe.mint(devaddr, joeReward.mul(devPercent).div(1000));\\n joe.mint(treasuryaddr, joeReward.mul(treasuryPercent).div(1000));\\n joe.mint(address(this), joeReward.mul(lpPercent).div(1000));\\n pool.accJoePerShare = pool.accJoePerShare.add(\\n joeReward.mul(1e12).div(lpSupply).mul(lpPercent).div(1000)\\n );\\n pool.lastRewardTimestamp = block.timestamp;\\n }\\n\\n // Deposit LP tokens to MasterChef for JOE allocation.\\n function deposit(uint256 _pid, uint256 _amount) public {\\n PoolInfo storage pool = poolInfo[_pid];\\n UserInfo storage user = userInfo[_pid][msg.sender];\\n updatePool(_pid);\\n if (user.amount > 0) {\\n uint256 pending = user\\n .amount\\n .mul(pool.accJoePerShare)\\n .div(1e12)\\n .sub(user.rewardDebt);\\n safeJoeTransfer(msg.sender, pending);\\n }\\n pool.lpToken.safeTransferFrom(\\n address(msg.sender),\\n address(this),\\n _amount\\n );\\n user.amount = user.amount.add(_amount);\\n user.rewardDebt = user.amount.mul(pool.accJoePerShare).div(1e12);\\n emit Deposit(msg.sender, _pid, _amount);\\n }\\n\\n // Withdraw LP tokens from MasterChef.\\n function withdraw(uint256 _pid, uint256 _amount) public {\\n PoolInfo storage pool = poolInfo[_pid];\\n UserInfo storage user = userInfo[_pid][msg.sender];\\n require(user.amount >= _amount, \\\"withdraw: not good\\\");\\n\\n updatePool(_pid);\\n uint256 pending = user.amount.mul(pool.accJoePerShare).div(1e12).sub(\\n user.rewardDebt\\n );\\n safeJoeTransfer(msg.sender, pending);\\n user.amount = user.amount.sub(_amount);\\n pool.lpToken.safeTransfer(address(msg.sender), _amount);\\n user.rewardDebt = user.amount.mul(pool.accJoePerShare).div(1e12);\\n emit Withdraw(msg.sender, _pid, _amount);\\n }\\n\\n // Withdraw without caring about rewards. EMERGENCY ONLY.\\n function emergencyWithdraw(uint256 _pid) public {\\n PoolInfo storage pool = poolInfo[_pid];\\n UserInfo storage user = userInfo[_pid][msg.sender];\\n pool.lpToken.safeTransfer(address(msg.sender), user.amount);\\n emit EmergencyWithdraw(msg.sender, _pid, user.amount);\\n user.amount = 0;\\n user.rewardDebt = 0;\\n }\\n\\n // Safe joe transfer function, just in case if rounding error causes pool to not have enough JOEs.\\n function safeJoeTransfer(address _to, uint256 _amount) internal {\\n uint256 joeBal = joe.balanceOf(address(this));\\n if (_amount > joeBal) {\\n joe.transfer(_to, joeBal);\\n } else {\\n joe.transfer(_to, _amount);\\n }\\n }\\n\\n // Update dev address by the previous dev.\\n function dev(address _devaddr) public {\\n require(msg.sender == devaddr, \\\"dev: wut?\\\");\\n devaddr = _devaddr;\\n emit SetDevAddress(msg.sender, _devaddr);\\n }\\n\\n function setDevPercent(uint256 _newDevPercent) public onlyOwner {\\n require(\\n 0 <= _newDevPercent && _newDevPercent <= 1000,\\n \\\"setDevPercent: invalid percent value\\\"\\n );\\n require(\\n treasuryPercent + _newDevPercent <= 1000,\\n \\\"setDevPercent: total percent over max\\\"\\n );\\n devPercent = _newDevPercent;\\n }\\n\\n function setTreasuryPercent(uint256 _newTreasuryPercent) public onlyOwner {\\n require(\\n 0 <= _newTreasuryPercent && _newTreasuryPercent <= 1000,\\n \\\"setTreasuryPercent: invalid percent value\\\"\\n );\\n require(\\n devPercent + _newTreasuryPercent <= 1000,\\n \\\"setTreasuryPercent: total percent over max\\\"\\n );\\n treasuryPercent = _newTreasuryPercent;\\n }\\n\\n // Pancake has to add hidden dummy pools inorder to alter the emission,\\n // here we make it simple and transparent to all.\\n function updateEmissionRate(uint256 _joePerSec) public onlyOwner {\\n massUpdatePools();\\n joePerSec = _joePerSec;\\n emit UpdateEmissionRate(msg.sender, _joePerSec);\\n }\\n}\\n\",\"keccak256\":\"0x31d4f2e9f222779700fe942a76031d5828840f72076d76caede9ff2d7819f407\",\"license\":\"MIT\"}},\"version\":1}", "bytecode": 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"devdoc": { "kind": "dev", "methods": { "owner()": { "details": "Returns the address of the current owner." }, "renounceOwnership()": { "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner." }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 }, "storageLayout": { "storage": [ { "astId": 253, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "_owner", "offset": 0, "slot": "0", "type": "t_address" }, { "astId": 5502, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "joe", "offset": 0, "slot": "1", "type": "t_contract(JoeToken)5186" }, { "astId": 5504, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "devaddr", "offset": 0, "slot": "2", "type": "t_address" }, { "astId": 5506, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "treasuryaddr", "offset": 0, "slot": "3", "type": "t_address" }, { "astId": 5508, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "joePerSec", "offset": 0, "slot": "4", "type": "t_uint256" }, { "astId": 5510, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "devPercent", "offset": 0, "slot": "5", "type": "t_uint256" }, { "astId": 5512, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "treasuryPercent", "offset": 0, "slot": "6", "type": "t_uint256" }, { "astId": 5515, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "poolInfo", "offset": 0, "slot": "7", "type": "t_array(t_struct(PoolInfo)5500_storage)dyn_storage" }, { "astId": 5519, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "isPool", "offset": 0, "slot": "8", "type": "t_mapping(t_contract(IERC20)1364,t_bool)" }, { "astId": 5525, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "userInfo", "offset": 0, "slot": "9", "type": "t_mapping(t_uint256,t_mapping(t_address,t_struct(UserInfo)5491_storage))" }, { "astId": 5528, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "totalAllocPoint", "offset": 0, "slot": "10", "type": "t_uint256" }, { "astId": 5530, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "startTimestamp", "offset": 0, "slot": "11", "type": "t_uint256" } ], "types": { "t_address": { "encoding": "inplace", "label": "address", "numberOfBytes": "20" }, "t_array(t_struct(PoolInfo)5500_storage)dyn_storage": { "base": "t_struct(PoolInfo)5500_storage", "encoding": "dynamic_array", "label": "struct MasterChefJoe.PoolInfo[]", "numberOfBytes": "32" }, "t_bool": { "encoding": "inplace", "label": "bool", "numberOfBytes": "1" }, "t_contract(IERC20)1364": { "encoding": "inplace", "label": "contract IERC20", "numberOfBytes": "20" }, "t_contract(JoeToken)5186": { "encoding": "inplace", "label": "contract JoeToken", "numberOfBytes": "20" }, "t_mapping(t_address,t_struct(UserInfo)5491_storage)": { "encoding": "mapping", "key": "t_address", "label": "mapping(address => struct MasterChefJoe.UserInfo)", "numberOfBytes": "32", "value": "t_struct(UserInfo)5491_storage" }, "t_mapping(t_contract(IERC20)1364,t_bool)": { "encoding": "mapping", "key": "t_contract(IERC20)1364", "label": "mapping(contract IERC20 => bool)", "numberOfBytes": "32", "value": "t_bool" }, "t_mapping(t_uint256,t_mapping(t_address,t_struct(UserInfo)5491_storage))": { "encoding": "mapping", "key": "t_uint256", "label": "mapping(uint256 => mapping(address => struct MasterChefJoe.UserInfo))", "numberOfBytes": "32", "value": "t_mapping(t_address,t_struct(UserInfo)5491_storage)" }, "t_struct(PoolInfo)5500_storage": { "encoding": "inplace", "label": "struct MasterChefJoe.PoolInfo", "members": [ { "astId": 5493, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "lpToken", "offset": 0, "slot": "0", "type": "t_contract(IERC20)1364" }, { "astId": 5495, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "allocPoint", "offset": 0, "slot": "1", "type": "t_uint256" }, { "astId": 5497, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "lastRewardTimestamp", "offset": 0, "slot": "2", "type": "t_uint256" }, { "astId": 5499, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "accJoePerShare", "offset": 0, "slot": "3", "type": "t_uint256" } ], "numberOfBytes": "128" }, "t_struct(UserInfo)5491_storage": { "encoding": "inplace", "label": "struct MasterChefJoe.UserInfo", "members": [ { "astId": 5488, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "amount", "offset": 0, "slot": "0", "type": "t_uint256" }, { "astId": 5490, "contract": "contracts/MasterChefJoe.sol:MasterChefJoe", "label": "rewardDebt", "offset": 0, "slot": "1", "type": "t_uint256" } ], "numberOfBytes": "64" }, "t_uint256": { "encoding": "inplace", "label": "uint256", "numberOfBytes": "32" } } } }