{ "address": "0xf4e4eE67Ff6fe0ec4961Cd28CDc902649A371a01", "abi": [ { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "candidate", "type": "address" }, { "indexed": false, "internalType": "address", "name": "voter", "type": "address" }, { "indexed": false, "internalType": "address", "name": "to", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "Claimed", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint8", "name": "version", "type": "uint8" } ], "name": "Initialized", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "contract IMajorCandidates", "name": "majorCandidates", "type": "address" } ], "name": "MajorCandidatesUpdated", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "contract IRewarder", "name": "rewarder", "type": "address" } ], "name": "RewarderUpdated", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "candidate", "type": "address" } ], "name": "ShareUpdated", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "contract IStake", "name": "stake", "type": "address" } ], "name": "StakeUpdated", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "contract IERC20", "name": "token", "type": "address" } ], "name": "TokenUpdated", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "candidate", "type": "address" }, { "indexed": false, "internalType": "address", "name": "voter", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "Vote", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "period", "type": "uint256" } ], "name": "VoteFrozenPeriodUpdated", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "candidate", "type": "address" }, { "indexed": false, "internalType": "address", "name": "voter", "type": "address" }, { "indexed": false, "internalType": "address", "name": "to", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "Withdrawn", "type": "event" }, { "inputs": [], "name": "ACC_PRECISION", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "accPerShares", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "candidate", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" } ], "name": "claim", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "contract IERC20", "name": "_token", "type": "address" }, { "internalType": "contract IRewarder", "name": "_rewarder", "type": "address" }, { "internalType": "contract IStake", "name": "_stake", "type": "address" }, { "internalType": "contract IMajorCandidates", "name": "_majorCandidates", "type": "address" } ], "name": "initialize", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" }, { "internalType": "address", "name": "", "type": "address" } ], "name": "lastVoteTime", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "majorCandidates", "outputs": [ { "internalType": "contract IMajorCandidates", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "candidate", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" } ], "name": "onAllocate", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "candidate", "type": "address" }, { "internalType": "address", "name": "voter", "type": "address" } ], "name": "pendingReward", "outputs": [ { "internalType": "uint256", "name": "pending", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "rewarder", "outputs": [ { "internalType": "contract IRewarder", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "stake", "outputs": [ { "internalType": "contract IStake", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "token", "outputs": [ { "internalType": "contract IERC20", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "candidate", "type": "address" }, { "internalType": "address", "name": "voter", "type": "address" } ], "name": "unfrozenAt", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "candidate", "type": "address" }, { "internalType": "address", "name": "voter", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }, { "internalType": "address", "name": "anchor", "type": "address" }, { "internalType": "uint256", "name": "maxSlippage", "type": "uint256" } ], "name": "vote", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "voteFrozenPeriod", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "voteSupply", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" }, { "internalType": "address", "name": "", "type": "address" } ], "name": "voters", "outputs": [ { "internalType": "uint256", "name": "amount", "type": "uint256" }, { "internalType": "int256", "name": "rewardDebt", "type": "int256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "candidate", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "address", "name": "anchor", "type": "address" }, { "internalType": "uint256", "name": "maxSlippage", "type": "uint256" } ], "name": "withdraw", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "candidate", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "address", "name": "anchor", "type": "address" }, { "internalType": "uint256", "name": "maxSlippage", "type": "uint256" } ], "name": "withdrawAndClaim", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "transactionHash": "0x4b88ff5286597b7aed35a01a443d31fb5adc3fae3add98c4effef9a3ed1cd666", "receipt": { "to": null, "from": "0xF1658C608708172655A8e70a1624c29F956Ee63D", "contractAddress": "0xf4e4eE67Ff6fe0ec4961Cd28CDc902649A371a01", "transactionIndex": 33, "gasUsed": "1570781", "logsBloom": 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"{\"compiler\":{\"version\":\"0.8.9+commit.e5eed63a\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"voter\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"Claimed\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint8\",\"name\":\"version\",\"type\":\"uint8\"}],\"name\":\"Initialized\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"contract IMajorCandidates\",\"name\":\"majorCandidates\",\"type\":\"address\"}],\"name\":\"MajorCandidatesUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"contract IRewarder\",\"name\":\"rewarder\",\"type\":\"address\"}],\"name\":\"RewarderUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"}],\"name\":\"ShareUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"contract IStake\",\"name\":\"stake\",\"type\":\"address\"}],\"name\":\"StakeUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"contract IERC20\",\"name\":\"token\",\"type\":\"address\"}],\"name\":\"TokenUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"voter\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"Vote\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"period\",\"type\":\"uint256\"}],\"name\":\"VoteFrozenPeriodUpdated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"voter\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"Withdrawn\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"ACC_PRECISION\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"accPerShares\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"}],\"name\":\"claim\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"contract IERC20\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"contract IRewarder\",\"name\":\"_rewarder\",\"type\":\"address\"},{\"internalType\":\"contract IStake\",\"name\":\"_stake\",\"type\":\"address\"},{\"internalType\":\"contract IMajorCandidates\",\"name\":\"_majorCandidates\",\"type\":\"address\"}],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"lastVoteTime\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"majorCandidates\",\"outputs\":[{\"internalType\":\"contract IMajorCandidates\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"onAllocate\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"voter\",\"type\":\"address\"}],\"name\":\"pendingReward\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"pending\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"rewarder\",\"outputs\":[{\"internalType\":\"contract IRewarder\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"stake\",\"outputs\":[{\"internalType\":\"contract IStake\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"token\",\"outputs\":[{\"internalType\":\"contract IERC20\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"voter\",\"type\":\"address\"}],\"name\":\"unfrozenAt\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"voter\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"anchor\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"maxSlippage\",\"type\":\"uint256\"}],\"name\":\"vote\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"voteFrozenPeriod\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"voteSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"voters\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"int256\",\"name\":\"rewardDebt\",\"type\":\"int256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"anchor\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"maxSlippage\",\"type\":\"uint256\"}],\"name\":\"withdraw\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"candidate\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"anchor\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"maxSlippage\",\"type\":\"uint256\"}],\"name\":\"withdrawAndClaim\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"author\":\"Alexandas\",\"details\":\"Election contract\",\"kind\":\"dev\",\"methods\":{\"claim(address,address)\":{\"details\":\"voter claim reward for a specific candidate\",\"params\":{\"candidate\":\"candidate address\",\"to\":\"receiver address\"}},\"initialize(address,address,address,address)\":{\"details\":\"proxy initialize function\",\"params\":{\"_majorCandidates\":\"`MajorCandidates` contract\",\"_rewarder\":\"`Rewarder` contract\",\"_stake\":\"`Stake` contract\",\"_token\":\"ERC20 token address\"}},\"onAllocate(address,uint256)\":{\"details\":\"candidate allocate reward for the voters\",\"params\":{\"amount\":\"reward amount\",\"candidate\":\"candidate address\"}},\"pendingReward(address,address)\":{\"details\":\"pending reward for a voter given a candidate\",\"params\":{\"candidate\":\"candidate address\",\"voter\":\"voter address\"},\"returns\":{\"pending\":\"pending reward\"}},\"vote(address,address,uint256,address,uint256)\":{\"details\":\"voter vote a specific candidate\",\"params\":{\"amount\":\"reward amount\",\"anchor\":\"anchor candidate address\",\"candidate\":\"candidate address\",\"maxSlippage\":\"maximum rank change value for the candidate from the anchor candidate\",\"voter\":\"voter address\"}},\"withdraw(address,uint256,address,address,uint256)\":{\"details\":\"voter withdraw reward for a specific candidate\",\"params\":{\"amount\":\"reward amount\",\"anchor\":\"anchor candidate address\",\"candidate\":\"candidate address\",\"maxSlippage\":\"maximum rank change value for the candidate from the anchor candidate\",\"to\":\"receiver address\"}},\"withdrawAndClaim(address,uint256,address,address,uint256)\":{\"details\":\"voter withdraw votes and claim reward for a specific candidate\",\"params\":{\"amount\":\"reward amount\",\"anchor\":\"anchor candidate address\",\"candidate\":\"candidate address\",\"maxSlippage\":\"maximum rank change value for the candidate from the anchor candidate\",\"to\":\"receiver address\"}}},\"stateVariables\":{\"ACC_PRECISION\":{\"details\":\"return precision for shares\"},\"accPerShares\":{\"details\":\"return shares for a specific candidate\"},\"lastVoteTime\":{\"details\":\"last vote timestamp for voter\"},\"majorCandidates\":{\"details\":\"return `MajorCandidates` contract address\"},\"rewarder\":{\"details\":\"return `Rewarder` contract address\"},\"stake\":{\"details\":\"return `Stake` contract address\"},\"token\":{\"details\":\"return ERC20 token address\"},\"voteFrozenPeriod\":{\"details\":\"vote frozen period\"},\"voteSupply\":{\"details\":\"return votes for a specific candidate\"},\"voters\":{\"details\":\"return voter inforamtion\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/election/Election.sol\":\"Election\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"details\":{\"constantOptimizer\":true,\"cse\":true,\"deduplicate\":true,\"inliner\":true,\"jumpdestRemover\":true,\"orderLiterals\":true,\"peephole\":true,\"yul\":false},\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)\\n\\npragma solidity ^0.8.2;\\n\\nimport \\\"../../utils/AddressUpgradeable.sol\\\";\\n\\n/**\\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\\n *\\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\\n * reused. This mechanism prevents re-execution of each \\\"step\\\" but allows the creation of new initialization steps in\\n * case an upgrade adds a module that needs to be initialized.\\n *\\n * For example:\\n *\\n * [.hljs-theme-light.nopadding]\\n * ```\\n * contract MyToken is ERC20Upgradeable {\\n * function initialize() initializer public {\\n * __ERC20_init(\\\"MyToken\\\", \\\"MTK\\\");\\n * }\\n * }\\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\\n * function initializeV2() reinitializer(2) public {\\n * __ERC20Permit_init(\\\"MyToken\\\");\\n * }\\n * }\\n * ```\\n *\\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\\n *\\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\\n *\\n * [CAUTION]\\n * ====\\n * Avoid leaving a contract uninitialized.\\n *\\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\\n *\\n * [.hljs-theme-light.nopadding]\\n * ```\\n * /// @custom:oz-upgrades-unsafe-allow constructor\\n * constructor() {\\n * _disableInitializers();\\n * }\\n * ```\\n * ====\\n */\\nabstract contract Initializable {\\n /**\\n * @dev Indicates that the contract has been initialized.\\n * @custom:oz-retyped-from bool\\n */\\n uint8 private _initialized;\\n\\n /**\\n * @dev Indicates that the contract is in the process of being initialized.\\n */\\n bool private _initializing;\\n\\n /**\\n * @dev Triggered when the contract has been initialized or reinitialized.\\n */\\n event Initialized(uint8 version);\\n\\n /**\\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\\n * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.\\n */\\n modifier initializer() {\\n bool isTopLevelCall = !_initializing;\\n require(\\n (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),\\n \\\"Initializable: contract is already initialized\\\"\\n );\\n _initialized = 1;\\n if (isTopLevelCall) {\\n _initializing = true;\\n }\\n _;\\n if (isTopLevelCall) {\\n _initializing = false;\\n emit Initialized(1);\\n }\\n }\\n\\n /**\\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\\n * used to initialize parent contracts.\\n *\\n * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original\\n * initialization step. This is essential to configure modules that are added through upgrades and that require\\n * initialization.\\n *\\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\\n * a contract, executing them in the right order is up to the developer or operator.\\n */\\n modifier reinitializer(uint8 version) {\\n require(!_initializing && _initialized < version, \\\"Initializable: contract is already initialized\\\");\\n _initialized = version;\\n _initializing = true;\\n _;\\n _initializing = false;\\n emit Initialized(version);\\n }\\n\\n /**\\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\\n */\\n modifier onlyInitializing() {\\n require(_initializing, \\\"Initializable: contract is not initializing\\\");\\n _;\\n }\\n\\n /**\\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\\n * through proxies.\\n */\\n function _disableInitializers() internal virtual {\\n require(!_initializing, \\\"Initializable: contract is initializing\\\");\\n if (_initialized < type(uint8).max) {\\n _initialized = type(uint8).max;\\n emit Initialized(type(uint8).max);\\n }\\n }\\n}\\n\",\"keccak256\":\"0x0203dcadc5737d9ef2c211d6fa15d18ebc3b30dfa51903b64870b01a062b0b4e\",\"license\":\"MIT\"},\"@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)\\n\\npragma solidity ^0.8.0;\\nimport \\\"../proxy/utils/Initializable.sol\\\";\\n\\n/**\\n * @dev Contract module that helps prevent reentrant calls to a function.\\n *\\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\\n * available, which can be applied to functions to make sure there are no nested\\n * (reentrant) calls to them.\\n *\\n * Note that because there is a single `nonReentrant` guard, functions marked as\\n * `nonReentrant` may not call one another. This can be worked around by making\\n * those functions `private`, and then adding `external` `nonReentrant` entry\\n * points to them.\\n *\\n * TIP: If you would like to learn more about reentrancy and alternative ways\\n * to protect against it, check out our blog post\\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\\n */\\nabstract contract ReentrancyGuardUpgradeable is Initializable {\\n // Booleans are more expensive than uint256 or any type that takes up a full\\n // word because each write operation emits an extra SLOAD to first read the\\n // slot's contents, replace the bits taken up by the boolean, and then write\\n // back. This is the compiler's defense against contract upgrades and\\n // pointer aliasing, and it cannot be disabled.\\n\\n // The values being non-zero value makes deployment a bit more expensive,\\n // but in exchange the refund on every call to nonReentrant will be lower in\\n // amount. Since refunds are capped to a percentage of the total\\n // transaction's gas, it is best to keep them low in cases like this one, to\\n // increase the likelihood of the full refund coming into effect.\\n uint256 private constant _NOT_ENTERED = 1;\\n uint256 private constant _ENTERED = 2;\\n\\n uint256 private _status;\\n\\n function __ReentrancyGuard_init() internal onlyInitializing {\\n __ReentrancyGuard_init_unchained();\\n }\\n\\n function __ReentrancyGuard_init_unchained() internal onlyInitializing {\\n _status = _NOT_ENTERED;\\n }\\n\\n /**\\n * @dev Prevents a contract from calling itself, directly or indirectly.\\n * Calling a `nonReentrant` function from another `nonReentrant`\\n * function is not supported. It is possible to prevent this from happening\\n * by making the `nonReentrant` function external, and making it call a\\n * `private` function that does the actual work.\\n */\\n modifier nonReentrant() {\\n // On the first call to nonReentrant, _notEntered will be true\\n require(_status != _ENTERED, \\\"ReentrancyGuard: reentrant call\\\");\\n\\n // Any calls to nonReentrant after this point will fail\\n _status = _ENTERED;\\n\\n _;\\n\\n // By storing the original value once again, a refund is triggered (see\\n // https://eips.ethereum.org/EIPS/eip-2200)\\n _status = _NOT_ENTERED;\\n }\\n\\n /**\\n * @dev This empty reserved space is put in place to allow future versions to add new\\n * variables without shifting down storage in the inheritance chain.\\n * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\\n */\\n uint256[49] private __gap;\\n}\\n\",\"keccak256\":\"0x8cc03c5ac17e8a7396e487cda41fc1f1dfdb91db7d528e6da84bee3b6dd7e167\",\"license\":\"MIT\"},\"@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Interface of the ERC20 standard as defined in the EIP.\\n */\\ninterface IERC20Upgradeable {\\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 /**\\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 `to`.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transfer(address to, 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 `from` to `to` 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(\\n address from,\\n address to,\\n uint256 amount\\n ) external returns (bool);\\n}\\n\",\"keccak256\":\"0x4e733d3164f73f461eaf9d8087a7ad1ea180bdc8ba0d3d61b0e1ae16d8e63dff\",\"license\":\"MIT\"},\"@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\\n\\npragma solidity ^0.8.1;\\n\\n/**\\n * @dev Collection of functions related to the address type\\n */\\nlibrary AddressUpgradeable {\\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 * [IMPORTANT]\\n * ====\\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\\n *\\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\\n * constructor.\\n * ====\\n */\\n function isContract(address account) internal view returns (bool) {\\n // This method relies on extcodesize/address.code.length, which returns 0\\n // for contracts in construction, since the code is only stored at the end\\n // of the constructor execution.\\n\\n return account.code.length > 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 (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(\\n address target,\\n bytes memory data,\\n string memory errorMessage\\n ) 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(\\n address target,\\n bytes memory data,\\n uint256 value\\n ) 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(\\n address target,\\n bytes memory data,\\n uint256 value,\\n string memory errorMessage\\n ) 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 (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(\\n address target,\\n bytes memory data,\\n string memory errorMessage\\n ) internal view returns (bytes memory) {\\n require(isContract(target), \\\"Address: static call to non-contract\\\");\\n\\n (bool success, bytes memory returndata) = target.staticcall(data);\\n return verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\\n * revert reason using the provided one.\\n *\\n * _Available since v4.3._\\n */\\n function verifyCallResult(\\n bool success,\\n bytes memory returndata,\\n string memory errorMessage\\n ) internal 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 /// @solidity memory-safe-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\":\"0x611aa3f23e59cfdd1863c536776407b3e33d695152a266fa7cfb34440a29a8a3\",\"license\":\"MIT\"},\"contracts/election/Election.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nimport '@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol';\\nimport '../libraries/SignedSafeMath.sol';\\nimport '../interfaces/IElection.sol';\\n\\n/// @dev Election contract\\n/// @author Alexandas\\ncontract Election is IElection, ReentrancyGuardUpgradeable {\\n\\tusing SignedSafeMath for int256;\\n\\n\\tstruct VoterInfo {\\n\\t\\tuint256 amount;\\n\\t\\tint256 rewardDebt;\\n\\t}\\n\\n\\t/// @dev return ERC20 token address\\n\\tIERC20 public override token;\\n\\n\\t/// @dev return `Rewarder` contract address\\n\\tIRewarder public override rewarder;\\n\\n\\t/// @dev return `Stake` contract address\\n\\tIStake public override stake;\\n\\n\\t/// @dev return `MajorCandidates` contract address\\n\\tIMajorCandidates public override majorCandidates;\\n\\n\\t/// @dev return precision for shares\\n\\tuint256 public override ACC_PRECISION;\\n\\n\\t/// @dev vote frozen period\\n\\tuint256 public voteFrozenPeriod;\\n\\n\\t/// @dev return voter inforamtion\\n\\tmapping(address => mapping(address => VoterInfo)) public voters;\\n\\n\\t/// @dev return votes for a specific candidate\\n\\tmapping(address => uint256) public override voteSupply;\\n\\n\\t/// @dev return shares for a specific candidate\\n\\tmapping(address => uint256) public accPerShares;\\n\\n\\t/// @dev last vote timestamp for voter\\n\\tmapping(address => mapping(address => uint256)) public lastVoteTime;\\n\\n\\tmodifier onlyStake() {\\n\\t\\trequire(msg.sender == address(stake), 'Election: caller must be Stake contract');\\n\\t\\t_;\\n\\t}\\n\\n\\t/// @dev proxy initialize function\\n\\t/// @param _token ERC20 token address\\n\\t/// @param _rewarder `Rewarder` contract\\n\\t/// @param _stake `Stake` contract\\n\\t/// @param _majorCandidates `MajorCandidates` contract\\n\\tfunction initialize(\\n\\t\\tIERC20 _token,\\n\\t\\tIRewarder _rewarder,\\n\\t\\tIStake _stake,\\n\\t\\tIMajorCandidates _majorCandidates\\n\\t) external initializer {\\n\\t\\t_setToken(_token);\\n\\t\\t_setRewarder(_rewarder);\\n\\t\\t_setStake(_stake);\\n\\t\\t_setMajorCandidates(_majorCandidates);\\n\\t\\t_setVoteFrozenPeriod(7 * 24 * 3600);\\n\\t\\tACC_PRECISION = 1e12;\\n\\t}\\n\\n\\t/// @dev voter vote a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param voter voter address\\n\\t/// @param amount reward amount\\n\\t/// @param anchor anchor candidate address\\n\\t/// @param maxSlippage maximum rank change value for the candidate from the anchor candidate\\n\\tfunction vote(\\n\\t\\taddress candidate,\\n\\t\\taddress voter,\\n\\t\\tuint256 amount,\\n\\t\\taddress anchor,\\n\\t\\tuint256 maxSlippage\\n\\t) external override nonReentrant {\\n\\t\\trequire(stake.isCandidateRegistered(candidate), 'Election: nonexistent candidate');\\n\\t\\ttoken.transferFrom(msg.sender, address(this), amount);\\n\\t\\tstake.voterAllocate(candidate);\\n\\t\\tvoters[candidate][voter].amount = voters[candidate][voter].amount + amount;\\n\\t\\tvoters[candidate][voter].rewardDebt = voters[candidate][voter].rewardDebt + int256((amount * accPerShares[candidate]) / ACC_PRECISION);\\n\\t\\tvoteSupply[candidate] = voteSupply[candidate] + amount;\\n\\t\\tlastVoteTime[candidate][voter] = block.timestamp;\\n\\t\\tmajorCandidates.upsetCandidateWithAnchor(candidate, voteSupply[candidate], anchor, maxSlippage);\\n\\n\\t\\temit Vote(candidate, voter, amount);\\n\\t}\\n\\n\\t/// @dev voter claim reward for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param to receiver address\\n\\tfunction claim(address candidate, address to) external override nonReentrant {\\n\\t\\tstake.voterAllocate(candidate);\\n\\t\\tVoterInfo storage voter = voters[candidate][msg.sender];\\n\\t\\tint256 accumulated = int256((voter.amount * accPerShares[candidate]) / ACC_PRECISION);\\n\\t\\tuint256 pending = (accumulated - voter.rewardDebt).toUInt256();\\n\\t\\tvoter.rewardDebt = accumulated;\\n\\t\\trewarder.mint(to, pending);\\n\\t\\temit Claimed(candidate, msg.sender, to, pending);\\n\\t}\\n\\n\\t/// @dev voter withdraw reward for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param amount reward amount\\n\\t/// @param to receiver address\\n\\t/// @param anchor anchor candidate address\\n\\t/// @param maxSlippage maximum rank change value for the candidate from the anchor candidate\\n\\tfunction withdraw(\\n\\t\\taddress candidate,\\n\\t\\tuint256 amount,\\n\\t\\taddress to,\\n\\t\\taddress anchor,\\n\\t\\tuint256 maxSlippage\\n\\t) external override nonReentrant {\\n\\t\\trequire(unfrozenAt(candidate, msg.sender) > block.timestamp, 'Election: vote is frozen');\\n\\t\\tstake.voterAllocate(candidate);\\n\\t\\tVoterInfo storage voter = voters[candidate][msg.sender];\\n\\t\\tvoter.rewardDebt = voter.rewardDebt - int256((amount * accPerShares[candidate]) / ACC_PRECISION);\\n\\t\\tvoter.amount = voter.amount - amount;\\n\\t\\tvoteSupply[candidate] = voteSupply[candidate] - amount;\\n\\t\\tif (stake.isCandidateRegistered(candidate)) {\\n\\t\\t\\tmajorCandidates.upsetCandidateWithAnchor(candidate, voteSupply[candidate], anchor, maxSlippage);\\n\\t\\t}\\n\\t\\ttoken.transfer(to, amount);\\n\\t\\temit Withdrawn(candidate, msg.sender, to, amount);\\n\\t}\\n\\n\\t/// @dev voter withdraw votes and claim reward for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param amount reward amount\\n\\t/// @param to receiver address\\n\\t/// @param anchor anchor candidate address\\n\\t/// @param maxSlippage maximum rank change value for the candidate from the anchor candidate\\n\\tfunction withdrawAndClaim(\\n\\t\\taddress candidate,\\n\\t\\tuint256 amount,\\n\\t\\taddress to,\\n\\t\\taddress anchor,\\n\\t\\tuint256 maxSlippage\\n\\t) external override nonReentrant {\\n\\t\\trequire(unfrozenAt(candidate, msg.sender) > block.timestamp, 'Election: vote is frozen');\\n\\t\\tstake.voterAllocate(candidate);\\n\\t\\tVoterInfo storage voter = voters[candidate][msg.sender];\\n\\t\\tint256 accumulated = int256((voter.amount * accPerShares[candidate]) / ACC_PRECISION);\\n\\t\\tuint256 pending = (accumulated - voter.rewardDebt).toUInt256();\\n\\t\\tvoter.rewardDebt = accumulated - int256((amount * accPerShares[candidate]) / ACC_PRECISION);\\n\\t\\tvoter.amount = voter.amount - amount;\\n\\t\\tvoteSupply[candidate] = voteSupply[candidate] - amount;\\n\\t\\tif (stake.isCandidateRegistered(candidate)) {\\n\\t\\t\\tmajorCandidates.upsetCandidateWithAnchor(candidate, voteSupply[candidate], anchor, maxSlippage);\\n\\t\\t}\\n\\t\\trewarder.mint(to, pending);\\n\\t\\ttoken.transfer(to, amount);\\n\\t\\temit Claimed(candidate, msg.sender, to, pending);\\n\\t\\temit Withdrawn(candidate, msg.sender, to, amount);\\n\\t}\\n\\n\\t/// @dev pending reward for a voter given a candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param voter voter address\\n\\t/// @return pending pending reward\\n\\tfunction pendingReward(address candidate, address voter) public view override returns (uint256 pending) {\\n\\t\\tif (voteSupply[candidate] > 0) {\\n\\t\\t\\tuint256 pendingAllocation = stake.pendingVoterAllocation(candidate);\\n\\t\\t\\tint256 rewardDebt = voters[candidate][voter].rewardDebt;\\n\\t\\t\\tuint256 pendingShares = accPerShares[candidate] + ((pendingAllocation * ACC_PRECISION) / voteSupply[candidate]);\\n\\t\\t\\tpending = (int256((voters[candidate][voter].amount * pendingShares) / ACC_PRECISION) - rewardDebt).toUInt256();\\n\\t\\t}\\n\\t}\\n\\n\\t/// @dev candidate allocate reward for the voters\\n\\t/// @param candidate candidate address\\n\\t/// @param amount reward amount\\n\\tfunction onAllocate(address candidate, uint256 amount) external override onlyStake {\\n\\t\\tif (voteSupply[candidate] > 0) {\\n\\t\\t\\taccPerShares[candidate] = accPerShares[candidate] + ((amount * ACC_PRECISION) / voteSupply[candidate]);\\n\\t\\t\\temit ShareUpdated(candidate);\\n\\t\\t}\\n\\t}\\n\\n\\tfunction unfrozenAt(address candidate, address voter) public view returns(uint256) {\\n\\t\\trequire(lastVoteTime[candidate][voter] > 0, 'Election: nonexistent vote');\\n\\t\\treturn lastVoteTime[candidate][voter] + voteFrozenPeriod;\\n\\t}\\n\\n\\tfunction _setRewarder(IRewarder _rewarder) internal {\\n\\t\\trewarder = _rewarder;\\n\\t\\temit RewarderUpdated(_rewarder);\\n\\t}\\n\\n\\tfunction _setStake(IStake _stake) internal {\\n\\t\\tstake = _stake;\\n\\t\\temit StakeUpdated(_stake);\\n\\t}\\n\\n\\tfunction _setMajorCandidates(IMajorCandidates _majorCandidates) internal {\\n\\t\\tmajorCandidates = _majorCandidates;\\n\\t\\temit MajorCandidatesUpdated(_majorCandidates);\\n\\t}\\n\\n\\tfunction _setToken(IERC20 _token) internal {\\n\\t\\ttoken = _token;\\n\\t\\temit TokenUpdated(_token);\\n\\t}\\n\\n\\tfunction _setVoteFrozenPeriod(uint256 period) internal {\\n\\t\\tvoteFrozenPeriod = period;\\n\\t\\temit VoteFrozenPeriodUpdated(period);\\n\\t}\\n}\\n\",\"keccak256\":\"0xf5f50da5f8e3721ec1fd92457dd2ffa0bee8e1582ccc22b7dae0614b29cf5007\",\"license\":\"GPL-2.0-or-later\"},\"contracts/interfaces/ICandidateRegistry.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nimport '../libraries/Types.sol';\\n\\n/// @dev Candidate registry interface\\n/// @author Alexandas\\ninterface ICandidateRegistry {\\n\\n\\t/// @dev emit when candidate registered\\n\\t/// @param candidate candidate address\\n\\tevent Register(address candidate);\\n\\n\\t/// @dev register a candidate with node manifest\\n\\t/// @param manifest node manifest\\n\\tfunction register(string memory manifest) external;\\n\\n\\t/// @dev return a candidate\\n\\t/// @param candidate candidate address\\n\\t/// @return candidate information\\n\\tfunction candidateInfo(address candidate) external view returns(Types.CandidateInfo memory);\\n\\n\\t/// @dev return a candidate address for a specific node manifest\\n\\t/// @param manifest node manifest\\n\\t/// @return candidate address\\n\\tfunction manifestMap(string memory manifest) external view returns(address);\\n\\n\\t/// @dev return whether a candidate is registered\\n\\t/// @param candidate candidate address\\n\\t/// @return whether the candidate is registered\\n\\tfunction isCandidateRegistered(address candidate) external view returns (bool);\\n\\n\\t/// @dev return grade of a candidate\\n\\t/// @param candidate candidate address\\n\\t/// @return candidate grade\\n\\tfunction gradeOf(address candidate) external view returns (Types.Grade);\\n\\n}\\n\",\"keccak256\":\"0xd8519308649be704107281712dcbe57e3720c5458193a2ab40dc51cebcb43b80\",\"license\":\"GPL-2.0-or-later\"},\"contracts/interfaces/IERC20.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nimport '@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol';\\n\\n/// @dev Burnable ERC20 Token interface\\n/// @author Alexandas\\ninterface IERC20 is IERC20Upgradeable {\\n\\n\\t/// @dev burn tokens\\n\\t/// @param amount token amount\\n\\tfunction burn(uint256 amount) external;\\n\\n\\t/// @dev burn tokens\\n\\t/// @param account user address\\n\\t/// @param amount token amount\\n\\tfunction burnFrom(address account, uint256 amount) external;\\n\\n}\\n\",\"keccak256\":\"0xb45f4f11d5a0a93d60c5238dfce558196db50b3986cee01f2e65b8781bcb7d4f\",\"license\":\"GPL-2.0-or-later\"},\"contracts/interfaces/IElection.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nimport './IRewarder.sol';\\nimport './IStake.sol';\\nimport './IMajorCandidates.sol';\\nimport './IERC20.sol';\\n\\n/// @dev Election contract interface\\n/// @author Alexandas\\ninterface IElection {\\n\\n\\t/// @dev emit when ERC20 token address updated\\n\\t/// @param token ERC20 token address\\n\\tevent TokenUpdated(IERC20 token);\\n\\n\\t/// @dev emit when `Rewarder` contract updated\\n\\t/// @param rewarder `Rewarder` contract \\n\\tevent RewarderUpdated(IRewarder rewarder);\\n\\n\\t/// @dev emit when `Stake` contract updated\\n\\t/// @param stake `Stake` contract \\n\\tevent StakeUpdated(IStake stake);\\n\\n\\t/// @dev emit when `MajorCandidates` contract updated\\n\\t/// @param majorCandidates `MajorCandidates` contract \\n\\tevent MajorCandidatesUpdated(IMajorCandidates majorCandidates);\\n\\n\\t/// @dev emit when vote frozen period updated\\n\\t/// @param period vote frozen period\\n\\tevent VoteFrozenPeriodUpdated(uint256 period);\\n\\n\\t/// @dev emit when shares updated for a specific candidate\\n\\t/// @param candidate candidate address\\n\\tevent ShareUpdated(address candidate);\\n\\n\\t/// @dev emit when voter voted for a candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param voter voter address\\n\\t/// @param amount token amount\\n\\tevent Vote(address candidate, address voter, uint256 amount);\\n\\n\\t/// @dev emit when voter claimed the reward\\n\\t/// @param candidate candidate address\\n\\t/// @param voter voter address\\n\\t/// @param to receiver address\\n\\t/// @param amount reward amount\\n\\tevent Claimed(address candidate, address voter, address to, uint256 amount);\\n\\n\\t/// @dev emit when voter withdrawn the votes\\n\\t/// @param candidate candidate address\\n\\t/// @param voter voter address\\n\\t/// @param to receiver address\\n\\t/// @param amount reward amount\\n\\tevent Withdrawn(address candidate, address voter, address to, uint256 amount);\\n\\n\\t/// @dev voter vote a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param voter voter address\\n\\t/// @param amount reward amount\\n\\t/// @param anchor anchor candidate address\\n\\t/// @param maxSlippage maximum rank change value for the candidate from the anchor candidate\\n\\tfunction vote(\\n\\t\\taddress candidate,\\n\\t\\taddress voter,\\n\\t\\tuint256 amount,\\n\\t\\taddress anchor,\\n\\t\\tuint256 maxSlippage\\n\\t) external;\\n\\n\\t/// @dev voter claim reward for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param to receiver address\\n\\tfunction claim(address candidate, address to) external;\\n\\n\\t/// @dev voter withdraw reward for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param amount reward amount\\n\\t/// @param to receiver address\\n\\t/// @param anchor anchor candidate address\\n\\t/// @param maxSlippage maximum rank change value for the candidate from the anchor candidate\\n\\tfunction withdraw(\\n\\t\\taddress candidate,\\n\\t\\tuint256 amount,\\n\\t\\taddress to,\\n\\t\\taddress anchor,\\n\\t\\tuint256 maxSlippage\\n\\t) external;\\n\\n\\t/// @dev voter withdraw votes and claim reward for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param amount reward amount\\n\\t/// @param to receiver address\\n\\t/// @param anchor anchor candidate address\\n\\t/// @param maxSlippage maximum rank change value for the candidate from the anchor candidate\\n\\tfunction withdrawAndClaim(\\n\\t\\taddress candidate,\\n\\t\\tuint256 amount,\\n\\t\\taddress to,\\n\\t\\taddress anchor,\\n\\t\\tuint256 maxSlippage\\n\\t) external;\\n\\n\\t/// @dev candidate allocate reward for the voters\\n\\t/// @param candidate candidate address\\n\\t/// @param amount reward amount\\n\\tfunction onAllocate(address candidate, uint256 amount) external;\\n\\n\\t/// @dev return ERC20 token address\\n\\tfunction token() external view returns(IERC20);\\n\\n\\t/// @dev return `Rewarder` contract address\\n\\tfunction rewarder() external view returns(IRewarder);\\n\\n\\t/// @dev return `Stake` contract address\\n\\tfunction stake() external view returns(IStake);\\n\\n\\t/// @dev return `MajorCandidates` contract address\\n\\tfunction majorCandidates() external view returns(IMajorCandidates);\\n\\n\\t/// @dev return precision for shares\\n\\tfunction ACC_PRECISION() external view returns(uint256);\\n\\n\\t/// @dev return votes for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @return votes for a specific candidate\\n\\tfunction voteSupply(address candidate) external view returns(uint256);\\n\\n\\t/// @dev pending reward for a voter given a candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param voter voter address\\n\\t/// @return pending pending reward\\n\\tfunction pendingReward(address candidate, address voter) external view returns (uint256 pending);\\n\\n}\\n\",\"keccak256\":\"0xad12e388dbfd8245c6e33fc8bd3adeb0a77c5ebcf28fd189114044d026670e7d\",\"license\":\"GPL-2.0-or-later\"},\"contracts/interfaces/IMajorCandidates.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nimport './IElection.sol';\\nimport './IStake.sol';\\n\\n/// @dev MajorCandidates interface\\n/// @author Alexandas\\ninterface IMajorCandidates {\\n\\n\\t/// @dev emit when max major candidates changed\\n\\t/// @param max max major candidates\\n\\tevent MaxMajorCandidateUpdated(uint256 max);\\n\\n\\t/// @dev emit when `Election` contract changed\\n\\t/// @param election `Election` contract address\\n\\tevent ElectionUpdated(IElection election);\\n\\n\\t/// @dev emit when `Stake` contract updated\\n\\t/// @param stake `Stake` contract \\n\\tevent StakeUpdated(IStake stake);\\n\\n\\t/// @dev emit when a candidate insert or update in the sorted list\\n\\t/// @param candidate candidate address\\n\\t/// @param amount candidate votes\\n\\tevent UpsetCandidate(address candidate, uint256 amount);\\n\\n\\t/// @dev emit when a candidate removed from the sorted list\\n\\t/// @param candidate candidate address\\n\\tevent RemoveCandidate(address candidate);\\n\\n\\t/// @dev insert or update a candidate in the sorted list\\n\\t/// @param candidate candidate address\\n\\t/// @param amount candidate votes\\n\\t/// @param anchor anchor candidate address\\n\\t/// @param maxSlippage maximum rank change value for the candidate from the anchor candidate\\n\\tfunction upsetCandidateWithAnchor(\\n\\t\\taddress candidate,\\n\\t\\tuint256 amount,\\n\\t\\taddress anchor,\\n\\t\\tuint256 maxSlippage\\n\\t) external;\\n\\n\\t/// @dev emit removed a candidate from the sorted list\\n\\t/// @param candidate candidate address\\n\\tfunction remove(address candidate) external;\\n\\n\\t/// @dev return max major candidates\\n\\tfunction MAX_MAJOR_CANDIDATES() external view returns(uint256);\\n\\n\\t/// @dev return `Election` contract address\\n\\tfunction election() external view returns(IElection);\\n\\n\\t/// @dev return `Stake` contract address\\n\\tfunction stake() external view returns(IStake);\\n\\n\\t/// @dev return whether a candidate is existed in the sorted list\\n\\t/// @param candidate candidate address\\n\\t/// @return whether the candidate is existed in the sorted list\\n\\tfunction exists(address candidate) external view returns (bool);\\n\\n\\t/// @dev return whether a candidate is a major candidate\\n\\t/// @param candidate candidate address\\n\\t/// @return existed the candidate is a major candidate\\n\\tfunction isMajor(address candidate) external view returns(bool existed);\\n\\n\\t/// @dev return all major candidates\\n\\t/// @return majors all major candidates\\n\\tfunction majorCandidateList() external view returns(address[] memory majors);\\n\\n\\n}\\n\",\"keccak256\":\"0xe81b3600f2652084188b90a53ca9078786c17c5ffa59486a56c4a62250660f9b\",\"license\":\"GPL-2.0-or-later\"},\"contracts/interfaces/IPools.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nimport './IERC20.sol';\\nimport './IRewarder.sol';\\nimport '../libraries/Types.sol';\\n\\n/// @dev Pools interface\\n/// @author Alexandas\\ninterface IPools {\\n\\n\\t/// @dev emit when ERC20 Token contract updated\\n\\t/// @param token ERC20 Token contract\\n\\tevent TokenUpdated(IERC20 token);\\n\\n\\t/// @dev emit when `Rewarder` contract updated\\n\\t/// @param rewarder `Rewarder` contract \\n\\tevent RewarderUpdated(IRewarder rewarder);\\n\\n\\t/// @dev emit when `rewardPerSecond` updated\\n\\t/// @param rewardPerSecond reward generated for per second\\n\\tevent RewardPerSecondUpdated(uint256 rewardPerSecond);\\n\\n\\t/// @dev emit when shares precision updated\\n\\t/// @param precision shares precision\\n\\tevent PrecisionUpdated(uint256 precision);\\n\\n\\t/// @dev emit when max coefficient updated\\n\\t/// @param maxCoef max coefficient\\n\\tevent MaxCoefUpdated(uint256 maxCoef);\\n\\n\\t/// @dev emit when add a pool\\n\\t/// @param grade pool grade\\n\\tevent AddPool(Types.Grade grade);\\n\\n\\t/// @dev emit when pool updated\\n\\t/// @param grade pool grade\\n\\tevent PoolUpdated(Types.Grade grade);\\n\\n\\t/// @dev return ERC20 token address\\n\\tfunction token() external view returns(IERC20);\\n\\n\\t/// @dev return `Rewarder` contract address\\n\\tfunction rewarder() external view returns(IRewarder);\\n\\n\\t/// @dev return precision for shares\\n\\tfunction ACC_PRECISION() external view returns(uint256);\\n\\n\\t/// @dev return max coefficient\\n\\tfunction MAXCOEF() external view returns(uint256);\\n\\n\\t/// @dev return total pools allocation points\\n\\tfunction totalAllocPoint() external view returns(uint256);\\n\\n\\t/// @dev return reward generated for per second\\n\\tfunction rewardPerSecond() external view returns(uint256);\\n\\n\\t/// @dev update a specific pool\\n\\t/// @param grade pool grade\\n\\t/// @return pool pool info\\n\\tfunction updatePool(Types.Grade grade) external returns (Types.PoolInfo memory pool);\\n\\n\\t/// @dev return a specific pool\\n\\t/// @param grade pool grade\\n\\t/// @return pool pool info\\n\\tfunction poolInfo(Types.Grade grade) external view returns(Types.PoolInfo memory);\\n\\n}\\n\",\"keccak256\":\"0xc5f1962a2579d1fadb8669766b62564436a6c4b779e38b0f9271fe74c7cbd613\",\"license\":\"GPL-2.0-or-later\"},\"contracts/interfaces/IRewarder.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nimport '@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol';\\nimport './IERC20.sol';\\n\\n/// @dev Rewarder interface\\n/// @author Alexandas\\ninterface IRewarder {\\n\\n\\t/// @dev emit when ERC20 token address updated\\n\\t/// @param token ERC20 token address\\n\\tevent TokenUpdated(IERC20 token);\\n\\n\\t/// @dev emit when auth address updated\\n\\t/// @param auth authorized address\\n\\tevent AuthUpdated(address auth);\\n\\n\\t/// @dev emit when reward minted\\n\\t/// @param from authorized address\\n\\t/// @param to receiver address\\n\\t/// @param amount token amount\\n\\tevent Minted(address from, address to, uint256 amount);\\n\\n\\t/// @dev return ERC20 token address\\n\\tfunction token() external view returns(IERC20);\\n\\n\\t/// @dev mint reward to receiver\\n\\t/// @param to receiver address\\n\\t/// @param amount token amount\\n\\tfunction mint(address to, uint256 amount) external;\\n\\n}\",\"keccak256\":\"0xc41fb19972737ba746c9dea24922b35745aaff3a6c5839993269a843bffe3160\",\"license\":\"GPL-2.0-or-later\"},\"contracts/interfaces/ISlasher.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nimport '../libraries/Types.sol';\\nimport './IMajorCandidates.sol';\\nimport './IStake.sol';\\n\\n/// @dev Slasher interface\\n/// @author Alexandas\\ninterface ISlasher {\\n\\n\\t/// @dev emit when governance address updated\\n\\t/// @param governance governance address\\n\\tevent GovernanceUpdated(address governance);\\n\\n\\t/// @dev emit when `Stake` contract updated\\n\\t/// @param stake `Stake` contract \\n\\tevent StakeUpdated(IStake stake);\\n\\n\\t/// @dev emit when `MajorCandidates` contract updated\\n\\t/// @param majorCandidates `MajorCandidates` contract \\n\\tevent MajorCandidatesUpdated(IMajorCandidates majorCandidates);\\n\\n\\t/// @dev emit when default slash amount updated\\n\\t/// @param amount slash amount\\n\\tevent DefaultSlashAmountUpdated(uint256 amount);\\n\\n\\t/// @dev emit when public notice period updated\\n\\t/// @param period public notice period\\n\\tevent PublicNoticePeriodUpdated(uint256 period);\\n\\n\\t/// @dev emit when max coefficient updated\\n\\t/// @param maxCoef max coefficient\\n\\tevent MaxCoefUpdated(uint256 maxCoef);\\n\\n\\t/// @dev emit when drafter slash reward coefficient updated\\n\\t/// @param drafterCoef drafter slash reward coefficient\\n\\tevent DrafterCoefUpdated(uint64 drafterCoef);\\n\\n\\t/// @dev emit when validator slash reward coefficient updated\\n\\t/// @param validatorCoef validator slash reward coefficient\\n\\tevent ValidatorCoefUpdated(uint256 validatorCoef);\\n\\n\\t/// @dev emit when executor slash reward coefficient updated\\n\\t/// @param executorCoef executor slash reward coefficient\\n\\tevent ExecutorCoefUpdated(uint256 executorCoef);\\n\\n\\t/// @dev emit when slash drafted\\n\\t/// @param nonce slash number\\n\\t/// @param candidate candidate address\\n\\t/// @param slashBlock slashed block in posc\\n\\t/// @param manifest node manifest\\n\\t/// @param accuracy posc accuracy\\n\\tevent DraftSlash(uint256 nonce, address candidate, uint64 slashBlock, string manifest, uint64 accuracy);\\n\\n\\t/// @dev emit when slash drafted\\n\\t/// @param nonce slash number\\n\\tevent RejectSlash(uint256 nonce);\\n\\n\\t/// @dev emit when slash drafted\\n\\t/// @param nonce slash number\\n\\tevent ExecuteSlash(uint256 nonce, address executor);\\n\\n\\t/// @dev return `Stake` contract address\\n\\tfunction stake() external view returns(IStake);\\n\\n\\t/// @dev return `MajorCandidates` contract address\\n\\tfunction majorCandidates() external view returns(IMajorCandidates);\\n\\n\\t/// @dev return default slash amount\\n\\tfunction defaultSlashAmount() external view returns(uint256);\\n\\n\\t/// @dev return public notice period\\n\\tfunction publicNoticePeriod() external view returns(uint256);\\n\\n\\t/// @dev return current slash nonce\\n\\tfunction nonce() external view returns(uint256);\\n\\n\\t/// @dev return max coefficient\\n\\tfunction MAXCOEF() external view returns(uint64);\\n\\n\\t/// @dev return drafter slash reward coefficient\\n\\tfunction drafterCoef() external view returns(uint64);\\n\\n\\t/// @dev return validator slash reward coefficient\\n\\tfunction validatorCoef() external view returns(uint64);\\n\\n\\t/// @dev return executor slash reward coefficient\\n\\tfunction executorCoef() external view returns(uint64);\\n\\n\\t/// @dev return slash information at a specific nonce\\n\\t/// @param _nonce nonce number\\n\\t/// @return slash information\\n\\tfunction getSlashAt(uint256 _nonce) external view returns(Types.SlashInfo memory);\\n\\n\\t/// @dev return nonce given a candidate if the candidate is in slashing\\n\\t/// @param candidate candidate address\\n\\t/// @return nonce number\\n\\tfunction nonceOf(address candidate) external view returns(uint256);\\n\\n\\t/// @dev set drafter slash reward coefficient\\n\\t/// @param _drafterCoef drafter slash reward coefficient\\n\\tfunction setDrafterCoef(uint64 _drafterCoef) external;\\n\\n\\t/// @dev set validator slash reward coefficient\\n\\t/// @param _validatorCoef validator slash reward coefficient\\n\\tfunction setValidatorCoef(uint64 _validatorCoef) external;\\n\\n\\t/// @dev set executor slash reward coefficient\\n\\t/// @param _executorCoef executor slash reward coefficient\\n\\tfunction setExecutorCoef(uint64 _executorCoef) external;\\n\\n\\t/// @dev draft a slash\\n\\t/// @param slashBlock slashed block in posc\\n\\t/// @param manifest node manifest\\n\\t/// @param accuracy posc accuracy\\n\\t/// @param signatures major candidates signatures\\n\\tfunction draft(uint64 slashBlock, string memory manifest, uint64 accuracy, bytes[] memory signatures) external;\\n\\n\\t/// @dev reject a slash\\n\\t/// @param manifest node manifest\\n\\tfunction reject(string memory manifest) external;\\n\\n\\t/// @dev execute a slash\\n\\t/// @param manifest node manifest\\n\\tfunction execute(string memory manifest) external;\\n\\n\\t/// @dev return whether candidate is in slashing\\n\\t/// @param candidate candidate address\\n\\t/// @return whether candidate is in slashing\\n\\tfunction slashExists(address candidate) external view returns(bool);\\n\\n\\t/// @dev check whether signatures is valid\\n\\t/// @param hash message hash\\n\\t/// @param signatures signatures for major candidates\\n\\t/// @param signers major candidate signers\\n\\tfunction checkNSignatures(bytes32 hash, bytes[] memory signatures) external view returns(address[] memory signers);\\n\\n}\\n\",\"keccak256\":\"0x2a098f6fdb061970bf7f00c0018f3950b5d96d7d0702b21bfde897f973e6e36b\",\"license\":\"GPL-2.0-or-later\"},\"contracts/interfaces/IStake.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nimport './IElection.sol';\\nimport './IMajorCandidates.sol';\\nimport './ISlasher.sol';\\nimport './IPools.sol';\\nimport './ICandidateRegistry.sol';\\n\\n/// @dev Stake interface\\n/// @author Alexandas\\ninterface IStake is IPools, ICandidateRegistry {\\n\\n\\t/// @dev emit when `Election` contract changed\\n\\t/// @param election `Election` contract address\\n\\tevent ElectionUpdated(IElection election);\\n\\n\\t/// @dev emit when `MajorCandidates` contract updated\\n\\t/// @param majorCandidates `MajorCandidates` contract \\n\\tevent IMajorCandidatesUpdated(IMajorCandidates majorCandidates);\\n\\n\\t/// @dev emit when `Slasher` contract updated\\n\\t/// @param slasher `Slasher` contract \\n\\tevent SlasherUpdated(ISlasher slasher);\\n\\n\\t/// @dev emit when minimum stake updated\\n\\t/// @param amount minimum stake\\n\\tevent MinStakeUpdated(uint256 amount);\\n\\n\\t/// @dev emit when stake frozen period updated\\n\\t/// @param period stake frozen period\\n\\tevent StakeFrozenPeriodUpdated(uint256 period);\\n\\n\\t/// @dev emit when claim frozen period updated\\n\\t/// @param period claim frozen period\\n\\tevent ClaimFrozenPeriodUpdated(uint256 period);\\n\\n\\t/// @dev emit when a candidate upgraded\\n\\t/// @param candidate candidate address\\n\\t/// @param fromGrade from grade\\n\\t/// @param toGrade to grade\\n\\tevent Upgrade(address candidate, Types.Grade fromGrade, Types.Grade toGrade);\\n\\n\\t/// @dev emit when a candidate downgraded\\n\\t/// @param candidate candidate address\\n\\t/// @param fromGrade from grade\\n\\t/// @param toGrade to grade\\n\\tevent Downgrade(address candidate, Types.Grade fromGrade, Types.Grade toGrade);\\n\\n\\t/// @dev emit when a candidate staked tokens\\n\\t/// @param from token consumer\\n\\t/// @param candidate candidate address\\n\\t/// @param amount token amount\\n\\tevent Stake(address from, address candidate, uint256 amount);\\n\\n\\t/// @dev emit when a candidate withdraw tokens\\n\\t/// @param candidate candidate address\\n\\t/// @param to token receiver\\n\\t/// @param amount token amount\\n\\tevent Withdrawn(address candidate, address to, uint256 amount);\\n\\n\\t/// @dev emit when a candidate claimed reward\\n\\t/// @param candidate candidate address\\n\\t/// @param to token receiver\\n\\t/// @param pending token amount\\n\\tevent Claimed(address candidate, address to, uint256 pending);\\n\\n\\t/// @dev emit when a candidate quit from the protocol\\n\\t/// @param grade candidate grade\\n\\t/// @param candidate candidate address\\n\\tevent Quit(Types.Grade grade, address candidate);\\n\\n\\t/// @dev emit when a candidate allocate reward for the voters\\n\\t/// @param candidate candidate address\\n\\t/// @param amount token amount\\n\\tevent VoterAllocated(address candidate, uint256 amount);\\n\\n\\t/// @dev emit when the reward for a candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param amount token amount\\n\\tevent CandidateAllocated(address candidate, uint256 amount);\\n\\n\\t/// @dev emit when the vote reward coefficient updated\\n\\t/// @param coef vote reward coefficient\\n\\tevent VoteRewardCoefUpdated(uint256 coef);\\n\\n\\t/// @dev emit when drafted a slash\\n\\t/// @param candidate candidate address\\n\\t/// @param pendingSlash pending slash amount\\n\\tevent DraftSlash(address candidate, uint256 pendingSlash);\\n\\n\\t/// @dev emit when rejected a slash\\n\\t/// @param candidate candidate address\\n\\t/// @param pendingSlash pending slash amount\\n\\tevent RejectSlash(address candidate, uint256 pendingSlash);\\n\\n\\t/// @dev emit when executed a slash\\n\\t/// @param candidate candidate address\\n\\t/// @param pendingSlash pending slash amount\\n\\t/// @param beneficiaries slash reward beneficiaries\\n\\t/// @param amounts slash reward amounts\\n\\t/// @param burned burned amount\\n\\tevent ExcuteSlash(address candidate, uint256 pendingSlash, address[] beneficiaries, uint256[] amounts, uint256 burned);\\n\\n\\t/// @dev return `Election` contract\\n\\tfunction election() external view returns(IElection);\\n\\n\\t/// @dev return `MajorCandidates` contract\\n\\tfunction majorCandidates() external view returns(IMajorCandidates);\\n\\n\\t/// @dev return `Slasher` contract\\n\\tfunction slasher() external returns(ISlasher);\\n\\n\\t/// @dev candidate stake tokens\\n\\t/// @param amount token amount\\n\\tfunction stake(uint256 amount) external;\\n\\n\\t/// @dev register a candidate and stake tokens\\n\\t/// @param amount token amount\\n\\t/// @param manifest node manifest\\n\\tfunction registerAndStake(uint256 amount, string memory manifest) external;\\n\\n\\t/// @dev candidate quit from the protocol\\n\\t/// @param to token receiver\\n\\tfunction quit(address to) external;\\n\\n\\t/// @dev candidate claim reward from the protocol\\n\\t/// @param to token receiver\\n\\tfunction claim(address to) external;\\n\\n\\t/// @dev candidate withdraw the tokens and claim reward from the protocol\\n\\t/// @param amount token amount\\n\\t/// @param to token receiver\\n\\t// function withdrawAndClaim(uint256 amount, address to) external;\\n\\n\\t/// @dev return pending reward for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @return pending reward for the candidate\\n\\tfunction pendingReward(address candidate) external view returns (uint256 pending);\\n\\n\\t/// @dev set voter slash reward coefficient\\n\\t/// @param coef voter reward coefficient\\n\\tfunction setVoteRewardCoef(uint256 coef) external;\\n\\n\\t/// @dev set allocate the reward to voters from the candidate\\n\\t/// @param candidate candidate address\\n\\tfunction voterAllocate(address candidate) external;\\n\\n\\t/// @dev return voter reward coefficient for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @return coef voter reward coefficient\\n\\tfunction voteRewardCoef(address candidate) external view returns (uint256 coef);\\n\\n\\t/// @dev return pending voters allocation for a specific candidate\\n\\t/// @param candidate candidate address\\n\\t/// @return pending pending voters allocation\\n\\tfunction pendingVoterAllocation(address candidate) external view returns (uint256 pending);\\n\\n\\t/// @dev return pending candidate allocation\\n\\t/// @param candidate candidate address\\n\\t/// @return pending pending candidate allocation\\n\\tfunction pendingCandidateAllocation(address candidate) external view returns (uint256 pending);\\n\\n\\t/// @dev upgrade a candidate\\n\\t/// @param candidate candidate address\\n\\tfunction upgrade(address candidate) external;\\n\\n\\t/// @dev downgrade a candidate\\n\\t/// @param candidate candidate address\\n\\tfunction downgrade(address candidate) external;\\n\\n\\t/// @dev draft a slash for a candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param amount slash amount\\n\\t/// @return pendingSlash real slash amount\\n\\tfunction draftSlash(address candidate, uint256 amount) external returns(uint256 pendingSlash);\\n\\n\\t/// @dev reject a slash for a candidate\\n\\t/// @param candidate candidate address\\n\\t/// @param pendingSlash real slash amount\\n\\tfunction rejectSlash(address candidate, uint256 pendingSlash) external;\\n\\n\\t/// @dev executed a slash for a candiate\\n\\t/// @param candidate candidate address\\n\\t/// @param slash slash amount\\n\\t/// @param beneficiaries slash reward beneficiaries\\n\\t/// @param amounts slash reward amounts\\n\\t/// @param burned burned amount\\n\\tfunction executeSlash(\\n\\t\\taddress candidate, \\n\\t\\tuint256 slash,\\n\\t\\taddress[] memory beneficiaries, \\n\\t\\tuint256[] memory amounts,\\n\\t\\tuint256 burned\\n\\t) external;\\n}\",\"keccak256\":\"0x9eeba75d51080c9762f25fb5872a0dc0e92aa3f7ec3533957379e6f10cb7978a\",\"license\":\"GPL-2.0-or-later\"},\"contracts/libraries/SignedSafeMath.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nlibrary SignedSafeMath {\\n int256 constant private _INT256_MIN = -2**255;\\n\\n /**\\n * @dev Returns the multiplication of two signed integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `*` operator.\\n *\\n * Requirements:\\n *\\n * - Multiplication cannot overflow.\\n */\\n function mul(int256 a, int256 b) internal pure returns (int256) {\\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) {\\n return 0;\\n }\\n\\n require(!(a == -1 && b == _INT256_MIN), 'SignedSafeMath: multiplication overflow');\\n\\n int256 c = a * b;\\n require(c / a == b, 'SignedSafeMath: multiplication overflow');\\n\\n return c;\\n }\\n\\n /**\\n * @dev Returns the integer division of two signed integers. Reverts 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(int256 a, int256 b) internal pure returns (int256) {\\n require(b != 0, 'SignedSafeMath: division by zero');\\n require(!(b == -1 && a == _INT256_MIN), 'SignedSafeMath: division overflow');\\n\\n int256 c = a / b;\\n\\n return c;\\n }\\n\\n /**\\n * @dev Returns the subtraction of two signed integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `-` operator.\\n *\\n * Requirements:\\n *\\n * - Subtraction cannot overflow.\\n */\\n function sub(int256 a, int256 b) internal pure returns (int256) {\\n int256 c = a - b;\\n require((b >= 0 && c <= a) || (b < 0 && c > a), 'SignedSafeMath: subtraction overflow');\\n\\n return c;\\n }\\n\\n /**\\n * @dev Returns the addition of two signed integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `+` operator.\\n *\\n * Requirements:\\n *\\n * - Addition cannot overflow.\\n */\\n function add(int256 a, int256 b) internal pure returns (int256) {\\n int256 c = a + b;\\n require((b >= 0 && c >= a) || (b < 0 && c < a), 'SignedSafeMath: addition overflow');\\n\\n return c;\\n }\\n\\n function toUInt256(int256 a) internal pure returns (uint256) {\\n require(a >= 0, 'Integer < 0');\\n return uint256(a);\\n }\\n}\",\"keccak256\":\"0x0e4a58629038a9130bf13ae2f79dedcc3aab53cbc9989f20d82d35271d1fd6eb\",\"license\":\"GPL-2.0-or-later\"},\"contracts/libraries/Types.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n\\npragma solidity >=0.8.0;\\n\\nlibrary Types {\\n\\n\\tenum Grade {\\n\\t\\tNull,\\n\\t\\tMajor,\\n\\t\\tSecondary\\n\\t}\\n\\n\\tstruct CandidateInfo {\\n\\t\\tGrade grade;\\n\\t\\tuint256 amount;\\n\\t\\tint256 rewardDebt;\\n\\t\\tuint256 allocation;\\n\\t\\tstring manifest;\\n\\t}\\n\\n\\tstruct PoolInfo {\\n\\t\\tuint256 accPerShare;\\n\\t\\tuint256 lastRewardTime;\\n\\t\\tuint256 allocPoint;\\n\\t}\\n\\n\\tenum SlashStatus {\\n\\t\\tDrafted,\\n\\t\\tRejected,\\n\\t\\tExecuted\\n\\t}\\n\\n\\tstruct SlashInfo {\\n\\t\\taddress candidate;\\n\\t\\taddress drafter;\\n\\t\\taddress[] validators;\\n\\t\\tuint256 amount;\\n\\t\\tuint256 timestamp;\\n\\t\\tSlashStatus status;\\n\\t}\\n\\n}\\n\",\"keccak256\":\"0x5260f5f3e8e5cf789e355d0f4827e5c6a9c4289545a2a9d94732830cd80a9a1e\",\"license\":\"GPL-2.0-or-later\"}},\"version\":1}", "bytecode": 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"devdoc": { "author": "Alexandas", "details": "Election contract", "kind": "dev", "methods": { "claim(address,address)": { "details": "voter claim reward for a specific candidate", "params": { "candidate": "candidate address", "to": "receiver address" } }, "initialize(address,address,address,address)": { "details": "proxy initialize function", "params": { "_majorCandidates": "`MajorCandidates` contract", "_rewarder": "`Rewarder` contract", "_stake": "`Stake` contract", "_token": "ERC20 token address" } }, "onAllocate(address,uint256)": { "details": "candidate allocate reward for the voters", "params": { "amount": "reward amount", "candidate": "candidate address" } }, "pendingReward(address,address)": { "details": "pending reward for a voter given a candidate", "params": { "candidate": "candidate address", "voter": "voter address" }, "returns": { "pending": "pending reward" } }, "vote(address,address,uint256,address,uint256)": { "details": "voter vote a specific candidate", "params": { "amount": "reward amount", "anchor": "anchor candidate address", "candidate": "candidate address", "maxSlippage": "maximum rank change value for the candidate from the anchor candidate", "voter": "voter address" } }, "withdraw(address,uint256,address,address,uint256)": { "details": "voter withdraw reward for a specific candidate", "params": { "amount": "reward amount", "anchor": "anchor candidate address", "candidate": "candidate address", "maxSlippage": "maximum rank change value for the candidate from the anchor candidate", "to": "receiver address" } }, "withdrawAndClaim(address,uint256,address,address,uint256)": { "details": "voter withdraw votes and claim reward for a specific candidate", "params": { "amount": "reward amount", "anchor": "anchor candidate address", "candidate": "candidate address", "maxSlippage": "maximum rank change value for the candidate from the anchor candidate", "to": "receiver address" } } }, "stateVariables": { "ACC_PRECISION": { "details": "return precision for shares" }, "accPerShares": { "details": "return shares for a specific candidate" }, "lastVoteTime": { "details": "last vote timestamp for voter" }, "majorCandidates": { "details": "return `MajorCandidates` contract address" }, "rewarder": { "details": "return `Rewarder` contract address" }, "stake": { "details": "return `Stake` contract address" }, "token": { "details": "return ERC20 token address" }, "voteFrozenPeriod": { "details": "vote frozen period" }, "voteSupply": { "details": "return votes for a specific candidate" }, "voters": { "details": "return voter inforamtion" } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 }, "storageLayout": { "storage": [ { "astId": 138, "contract": "contracts/election/Election.sol:Election", "label": "_initialized", "offset": 0, "slot": "0", "type": "t_uint8" }, { "astId": 141, "contract": "contracts/election/Election.sol:Election", "label": "_initializing", "offset": 1, "slot": "0", "type": "t_bool" }, { "astId": 423, "contract": "contracts/election/Election.sol:Election", "label": "_status", "offset": 0, "slot": "1", "type": "t_uint256" }, { "astId": 467, "contract": "contracts/election/Election.sol:Election", "label": "__gap", "offset": 0, "slot": "2", "type": "t_array(t_uint256)49_storage" }, { "astId": 3796, "contract": "contracts/election/Election.sol:Election", "label": "token", "offset": 0, "slot": "51", "type": "t_contract(IERC20)5771" }, { "astId": 3801, "contract": "contracts/election/Election.sol:Election", "label": "rewarder", "offset": 0, "slot": "52", "type": "t_contract(IRewarder)6195" }, { "astId": 3806, "contract": "contracts/election/Election.sol:Election", "label": "stake", "offset": 0, "slot": "53", "type": "t_contract(IStake)6698" }, { "astId": 3811, "contract": "contracts/election/Election.sol:Election", "label": "majorCandidates", "offset": 0, "slot": "54", "type": "t_contract(IMajorCandidates)6050" }, { "astId": 3815, "contract": "contracts/election/Election.sol:Election", "label": "ACC_PRECISION", "offset": 0, "slot": "55", "type": "t_uint256" }, { "astId": 3818, "contract": "contracts/election/Election.sol:Election", "label": "voteFrozenPeriod", "offset": 0, "slot": "56", "type": "t_uint256" }, { "astId": 3826, "contract": "contracts/election/Election.sol:Election", "label": "voters", "offset": 0, "slot": "57", "type": "t_mapping(t_address,t_mapping(t_address,t_struct(VoterInfo)3791_storage))" }, { "astId": 3832, "contract": "contracts/election/Election.sol:Election", "label": "voteSupply", "offset": 0, "slot": "58", "type": "t_mapping(t_address,t_uint256)" }, { "astId": 3837, "contract": "contracts/election/Election.sol:Election", "label": "accPerShares", "offset": 0, "slot": "59", "type": "t_mapping(t_address,t_uint256)" }, { "astId": 3844, "contract": "contracts/election/Election.sol:Election", "label": "lastVoteTime", "offset": 0, "slot": "60", "type": "t_mapping(t_address,t_mapping(t_address,t_uint256))" } ], "types": { "t_address": { "encoding": "inplace", "label": "address", "numberOfBytes": "20" }, "t_array(t_uint256)49_storage": { "base": "t_uint256", "encoding": "inplace", "label": "uint256[49]", "numberOfBytes": "1568" }, "t_bool": { "encoding": "inplace", "label": "bool", "numberOfBytes": "1" }, "t_contract(IERC20)5771": { "encoding": "inplace", "label": "contract IERC20", "numberOfBytes": "20" }, "t_contract(IMajorCandidates)6050": { "encoding": "inplace", "label": "contract IMajorCandidates", "numberOfBytes": "20" }, "t_contract(IRewarder)6195": { "encoding": "inplace", "label": "contract IRewarder", "numberOfBytes": "20" }, "t_contract(IStake)6698": { "encoding": "inplace", "label": "contract IStake", "numberOfBytes": "20" }, "t_int256": { "encoding": "inplace", "label": "int256", "numberOfBytes": "32" }, "t_mapping(t_address,t_mapping(t_address,t_struct(VoterInfo)3791_storage))": { "encoding": "mapping", "key": "t_address", "label": "mapping(address => mapping(address => struct Election.VoterInfo))", "numberOfBytes": "32", "value": "t_mapping(t_address,t_struct(VoterInfo)3791_storage)" }, "t_mapping(t_address,t_mapping(t_address,t_uint256))": { "encoding": "mapping", "key": "t_address", "label": "mapping(address => mapping(address => uint256))", "numberOfBytes": "32", "value": "t_mapping(t_address,t_uint256)" }, "t_mapping(t_address,t_struct(VoterInfo)3791_storage)": { "encoding": "mapping", "key": "t_address", "label": "mapping(address => struct Election.VoterInfo)", "numberOfBytes": "32", "value": "t_struct(VoterInfo)3791_storage" }, "t_mapping(t_address,t_uint256)": { "encoding": "mapping", "key": "t_address", "label": "mapping(address => uint256)", "numberOfBytes": "32", "value": "t_uint256" }, "t_struct(VoterInfo)3791_storage": { "encoding": "inplace", "label": "struct Election.VoterInfo", "members": [ { "astId": 3788, "contract": "contracts/election/Election.sol:Election", "label": "amount", "offset": 0, "slot": "0", "type": "t_uint256" }, { "astId": 3790, "contract": "contracts/election/Election.sol:Election", "label": "rewardDebt", "offset": 0, "slot": "1", "type": "t_int256" } ], "numberOfBytes": "64" }, "t_uint256": { "encoding": "inplace", "label": "uint256", "numberOfBytes": "32" }, "t_uint8": { "encoding": "inplace", "label": "uint8", "numberOfBytes": "1" } } } }