Contract
0x6a894bd1a5476bdc52b709623b8751e244e6e975
1
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Balance:
0 ETH
ETH Value:
$0.00
My Name Tag:
Not Available
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Contract Name:
ArbiStakerERC20
Compiler Version
v0.7.6+commit.7338295f
Optimization Enabled:
Yes with 1000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
pragma abicoder v2;
import {SafeMath} from "@openzeppelin/contracts/math/SafeMath.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/EnumerableSet.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {TransferHelper} from "@uniswap/lib/contracts/libraries/TransferHelper.sol";
import {IFactory} from "../factory/IFactory.sol";
import {IInstanceRegistry} from "../factory/InstanceRegistry.sol";
import {IUniversalVault} from "../arbiVault/ArbiVault.sol";
import {ArbiVaultFactory} from "../arbiVault/ArbiVaultFactory.sol";
import {IRewardPool} from "./RewardPool.sol";
import {Powered} from "./Powered.sol";
import {IERC2917} from "./IERC2917.sol";
import {ProxyFactory} from "../factory/ProxyFactory.sol";
interface IRageQuit {
function rageQuit() external;
}
interface IArbiStaker is IRageQuit {
/* admin events */
event ArbiStakerERC20Created(address rewardPool, address powerSwitch);
event ArbiStakerERC20Funded(address token, uint256 amount);
event BonusTokenRegistered(address token);
event BonusTokenRemoved(address token);
event VaultFactoryRegistered(address factory);
event VaultFactoryRemoved(address factory);
event AdminshipTransferred(address indexed previousAdmin, address indexed newAdmin);
/* user events */
event Staked(address vault, uint256 amount);
event Unstaked(address vault, uint256 amount);
event RageQuit(address vault);
event RewardClaimed(address vaultFactory, address recipient, address token, uint256 amount);
event VestedRewardClaimed(address recipient, address token, uint256 amount);
/* data types */
struct VaultData {
// token address to total token stake mapping
mapping(address => uint256) tokenStake;
EnumerableSet.AddressSet tokens;
}
struct LMRewardData {
uint256 amount;
uint256 duration;
uint256 startedAt;
address rewardCalcInstance;
EnumerableSet.AddressSet bonusTokens;
mapping(address => uint256) bonusTokenAmounts;
}
struct LMRewardVestingData {
uint256 amount;
uint256 startedAt;
}
/* getter functions */
function getBonusTokenSetLength() external view returns (uint256 length);
function getBonusTokenAtIndex(uint256 index) external view returns (address bonusToken);
function getVaultFactorySetLength() external view returns (uint256 length);
function getVaultFactoryAtIndex(uint256 index) external view returns (address factory);
function getNumVaults() external view returns (uint256 num);
function getVaultAt(uint256 index) external view returns (address vault);
function getNumTokensStaked() external view returns (uint256 num);
function getTokenStakedAt(uint256 index) external view returns (address token);
function getNumTokensStakedInVault(address vault) external view returns (uint256 num);
function getVaultTokenAtIndex(address vault, uint256 index)
external
view
returns (address vaultToken);
function getVaultTokenStake(address vault, address token)
external
view
returns (uint256 tokenStake);
function getLMRewardData(address token)
external
view
returns (
uint256 amount,
uint256 duration,
uint256 startedAt,
address rewardCalcInstance
);
function getLMRewardBonusTokensLength(address token) external view returns (uint256 length);
function getLMRewardBonusTokenAt(address token, uint256 index)
external
view
returns (address bonusToken, uint256 bonusTokenAmount);
function getNumVestingLMTokenRewards(address user) external view returns (uint256 num);
function getVestingLMTokenAt(address user, uint256 index) external view returns (address token);
function getNumVests(address user, address token) external view returns (uint256 num);
function getNumRewardCalcTemplates() external view returns (uint256 num);
function getLMRewardVestingData(
address user,
address token,
uint256 index
) external view returns (uint256 amount, uint256 startedAt);
function isValidAddress(address target) external view returns (bool validity);
function isValidVault(address vault, address factory) external view returns (bool validity);
/* user functions */
function stakeERC20(
address vault,
address vaultFactory,
address token,
uint256 amount,
bytes calldata permission
) external;
function unstakeERC20AndClaim(
address vault,
address vaultFactory,
address recipient,
address token,
uint256 amount,
bool claimBonusReward,
bytes calldata permission
) external;
function claimVestedRewardAll() external;
function claimVestedRewardToken(address token) external;
}
/// @title ArbiStaker
/// @notice Reward distribution contract that handles ERC20 Tokens with Tiers
/// Access Control
/// - Power controller:
/// Can power off / shutdown the ArbiStaker
/// Can withdraw rewards from reward pool once shutdown
/// - Owner:
/// Is unable to operate on user funds due to UniversalVault
/// Is unable to operate on reward pool funds when reward pool is offline / shutdown
/// - ArbiStaker admin:
/// Can add funds to the ArbiStaker, register bonus tokens, and whitelist new vault factories
/// Is a subset of owner permissions
/// - User:
/// Can stake / unstake / ragequit / claim vested rewards
/// ArbiStaker State Machine
/// - Online:
/// ArbiStaker is operating normally, all functions are enabled
/// - Offline:
/// ArbiStaker is temporarely disabled for maintenance
/// User staking and unstaking is disabled, ragequit remains enabled
/// Users can delete their stake through rageQuit() but forego their pending reward
/// Should only be used when downtime required for an upgrade
/// - Shutdown:
/// ArbiStaker is permanently disabled
/// All functions are disabled with the exception of ragequit
/// Users can delete their stake through rageQuit()
/// Power controller can withdraw from the reward pool
/// Should only be used if Owner role is compromised
contract ArbiStakerERC20 is IArbiStaker, Powered {
using SafeMath for uint256;
using EnumerableSet for EnumerableSet.AddressSet;
/* constants */
string public constant PIONNER = "PIONNER";
string public constant PRECURSOR = "PRECURSOR";
string public constant INNOVATOR = "INNOVATOR";
string public constant EARLY_ADOPTER = "EARLY_ADOPTER";
string public constant STANDARD = "STANDARD";
uint256 public PIONNER_LM_REWARD_MULTIPLIER_NUM = 6;
uint256 public PIONNER_LM_REWARD_MULTIPLIER_DENOM = 2;
uint256 public PRECURSOR_LM_REWARD_MULTIPLIER_NUM = 5;
uint256 public PRECURSOR_LM_REWARD_MULTIPLIER_DENOM = 2;
uint256 public INNOVATOR_LM_REWARD_MULTIPLIER_NUM = 2;
uint256 public INNOVATOR_LM_REWARD_MULTIPLIER_DENOM = 1;
uint256 public EARLY_ADOPTER_LM_REWARD_MULTIPLIER_NUM = 3;
uint256 public EARLY_ADOPTER_LM_REWARD_MULTIPLIER_DENOM = 2;
uint256 public STANDARD_LM_REWARD_MULTIPLIER_NUM = 1;
uint256 public STANDARD_LM_REWARD_MULTIPLIER_DENOM = 1;
uint256 public LM_REWARD_VESTING_PERIOD = 2592000; // 30 days
uint256 public LM_REWARD_VESTING_PORTION_NUM = 1;
uint256 public LM_REWARD_VESTING_PORTION_DENOM = 2;
// An upper bound on the number of active tokens staked per vault is required to prevent
// calls to rageQuit() from reverting.
// With 30 tokens staked in a vault, ragequit costs 432811 gas which is conservatively lower
// than the hardcoded limit of 500k gas on the vault.
// This limit is configurable and could be increased in a future deployment.
// Ultimately, to avoid a need for fixed upper bounds, the EVM would need to provide
// an error code that allows for reliably catching out-of-gas errors on remote calls.
uint256 public MAX_TOKENS_STAKED_PER_VAULT = 10;
uint256 public MAX_BONUS_TOKENS = 10;
/* storage */
address public admin;
address public rewardToken;
address public rewardPool;
EnumerableSet.AddressSet private _vaultSet;
mapping(address => VaultData) private _vaults;
EnumerableSet.AddressSet private _bonusTokenSet;
EnumerableSet.AddressSet private _vaultFactorySet;
EnumerableSet.AddressSet private _allStakedTokens;
mapping(address => uint256) public stakedTokenTotal;
mapping(address => LMRewardData) private lmRewards;
// user to token to earned reward mapping
mapping(address => mapping(address => uint256)) public earnedLMRewards;
// user to token to vesting data mapping
mapping(address => mapping(address => LMRewardVestingData[])) public vestingLMRewards;
// user to vesting lm token rewards set
mapping(address => EnumerableSet.AddressSet) private vestingLMTokenRewards;
// erc2917 template names
string[] public rewardCalcTemplateNames;
// erc2917 template names to erc 2917 templates
mapping(string => address) public rewardCalcTemplates;
string public activeRewardCalcTemplate;
event RewardCalcTemplateAdded(string indexed name, address indexed template);
event RewardCalcTemplateActive(string indexed name, address indexed template);
/* initializer */
/// @notice Initizalize ArbiStaker
/// access control: only proxy constructor
/// state machine: can only be called once
/// state scope: set initialization variables
/// token transfer: none
/// @param adminAddress address The admin address
/// @param rewardPoolFactory address The factory to use for deploying the RewardPool
/// @param powerSwitchFactory address The factory to use for deploying the PowerSwitch
/// @param rewardTokenAddress address The address of the reward token for this ArbiStaker
constructor(
address adminAddress,
address rewardPoolFactory,
address powerSwitchFactory,
address rewardTokenAddress
) {
// deploy power switch
address powerSwitch = IFactory(powerSwitchFactory).create(abi.encode(adminAddress));
// deploy reward pool
rewardPool = IFactory(rewardPoolFactory).create(abi.encode(powerSwitch));
// set internal config
admin = adminAddress;
rewardToken = rewardTokenAddress;
Powered._setPowerSwitch(powerSwitch);
// emit event
emit ArbiStakerERC20Created(rewardPool, powerSwitch);
}
/* admin functions */
function _admin() private {
require(msg.sender == admin, "not allowed");
}
/**
* @dev Leaves the contract without admin. It will not be possible to call
* `admin` functions anymore. Can only be called by the current admin.
*
* NOTE: Renouncing adminship will leave the contract without an admin,
* thereby removing any functionality that is only available to the admin.
*/
function renounceAdminship() public {
_admin();
emit AdminshipTransferred(admin, address(0));
admin = address(0);
}
/**
* @dev Transfers adminship of the contract to a new account (`newAdmin`).
* Can only be called by the current admin.
*/
function transferAdminship(address newAdmin) public {
_admin();
require(newAdmin != address(0), "new admin can't the zero address");
emit AdminshipTransferred(admin, newAdmin);
admin = newAdmin;
}
/// @notice Add funds to ArbiStaker
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - only online
/// state scope:
/// - none
/// token transfer: transfer staking tokens from msg.sender to reward pool
/// @param amount uint256 Amount of reward tokens to deposit
function fund(address token, uint256 amount) external {
_admin();
require(
_bonusTokenSet.contains(token) || token == rewardToken,
"cannot fund with unrecognized token"
);
// transfer reward tokens to reward pool
TransferHelper.safeTransferFrom(token, msg.sender, rewardPool, amount);
// emit event
emit ArbiStakerERC20Funded(token, amount);
}
/// @notice Rescue tokens from RewardPool
/// @dev use this function to rescue tokens from RewardPool contract without distributing to stakers or triggering emergency shutdown
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - not shutdown
/// state scope: none
/// token transfer: transfer requested token from RewardPool to recipient
/// @param token address The address of the token to rescue
/// @param recipient address The address of the recipient
/// @param amount uint256 The amount of tokens to rescue
function rescueTokensFromRewardPool(
address token,
address recipient,
uint256 amount
) external {
_admin();
// verify recipient
require(isValidAddress(recipient), "invalid recipient");
// transfer tokens to recipient
IRewardPool(rewardPool).sendERC20(token, recipient, amount);
}
/// @notice Add vault factory to whitelist
/// @dev use this function to enable stakes to vaults coming from the specified factory contract
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - not shutdown
/// state scope:
/// - append to _vaultFactorySet
/// token transfer: none
/// @param factory address The address of the vault factory
function registerVaultFactory(address factory) external {
_admin();
// add factory to set
require(_vaultFactorySet.add(factory), "ArbiStaker: vault factory already registered");
// emit event
emit VaultFactoryRegistered(factory);
}
/// @notice Remove vault factory from whitelist
/// @dev use this function to disable new stakes to vaults coming from the specified factory contract.
/// note: vaults with existing stakes from this factory are sill able to unstake
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - not shutdown
/// state scope:
/// - remove from _vaultFactorySet
/// token transfer: none
/// @param factory address The address of the vault factory
function removeVaultFactory(address factory) external {
_admin();
// remove factory from set
require(_vaultFactorySet.remove(factory), "ArbiStaker: vault factory not registered");
// emit event
emit VaultFactoryRemoved(factory);
}
/// @notice Register bonus token for distribution
/// @dev use this function to enable distribution of any ERC20 held by the RewardPool contract
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - only online
/// state scope:
/// - append to _bonusTokenSet
/// token transfer: none
/// @param bonusToken address The address of the bonus token
function registerBonusToken(address bonusToken) external {
_admin();
// verify valid bonus token
require(isValidAddress(bonusToken), "invalid bonus token address or is already present");
// verify bonus token count
require(
_bonusTokenSet.length() < MAX_BONUS_TOKENS,
"ArbiStaker: max bonus tokens reached "
);
// add token to set
_bonusTokenSet.add(bonusToken);
// emit event
emit BonusTokenRegistered(bonusToken);
}
/// @notice Remove bonus token
/// @dev use this function to disable distribution of a token held by the RewardPool contract
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - not shutdown
/// state scope:
/// - remove from _bonusTokenSet
/// token transfer: none
/// @param bonusToken address The address of the bonus token
function removeBonusToken(address bonusToken) external {
_admin();
require(_bonusTokenSet.remove(bonusToken), "ArbiStaker: bonus token not present ");
// emit event
emit BonusTokenRemoved(bonusToken);
}
function addRewardCalcTemplate(string calldata name, address template) external {
_admin();
require(rewardCalcTemplates[name] == address(0), "Template already exists");
rewardCalcTemplates[name] = template;
if (rewardCalcTemplateNames.length == 0) {
activeRewardCalcTemplate = name;
emit RewardCalcTemplateActive(name, template);
}
rewardCalcTemplateNames.push(name);
emit RewardCalcTemplateAdded(name, template);
}
function setRewardCalcActiveTemplate(string calldata name) external {
_admin();
require(rewardCalcTemplates[name] != address(0), "Template does not exist");
activeRewardCalcTemplate = name;
emit RewardCalcTemplateActive(name, rewardCalcTemplates[name]);
}
function startLMRewards(
address token,
uint256 amount,
uint256 duration
) external {
startLMRewardsToken(token, amount, duration, activeRewardCalcTemplate);
}
function startLMRewardsToken(
address token,
uint256 amount,
uint256 duration,
string memory rewardCalcTemplateName
) public {
_admin();
require(lmRewards[token].startedAt == 0, "A reward program already live for this token");
require(
rewardCalcTemplates[rewardCalcTemplateName] != address(0),
"Reward Calculator Template does not exist"
);
// create reward calc clone from template
address rewardCalcInstance =
ProxyFactory._create(
rewardCalcTemplates[rewardCalcTemplateName],
abi.encodeWithSelector(IERC2917.initialize.selector)
);
LMRewardData storage lmrd = lmRewards[token];
lmrd.amount = amount;
lmrd.duration = duration;
lmrd.startedAt = block.timestamp;
lmrd.rewardCalcInstance = rewardCalcInstance;
}
function setImplementorForRewardsCalculator(address token, address newImplementor) public {
_admin();
require(lmRewards[token].startedAt != 0, "No reward program currently live for this token");
address rewardCalcInstance = lmRewards[token].rewardCalcInstance;
IERC2917(rewardCalcInstance).setImplementor(newImplementor);
}
function setLMRewardsPerBlock(address token, uint256 value) public onlyOnline {
_admin();
require(lmRewards[token].startedAt != 0, "No reward program currently live for this token");
address rewardCalcInstance = lmRewards[token].rewardCalcInstance;
IERC2917(rewardCalcInstance).changeInterestRatePerBlock(value);
}
function addBonusTokenToLMRewards(
address lmToken,
address bonusToken,
uint256 bonusTokenAmount
) public {
_admin();
require(
lmRewards[lmToken].startedAt != 0,
"No reward program currently live for this LM token"
);
require(_bonusTokenSet.contains(bonusToken), "Bonus token not registered");
lmRewards[lmToken].bonusTokens.add(bonusToken);
lmRewards[lmToken].bonusTokenAmounts[bonusToken] = lmRewards[lmToken].bonusTokenAmounts[
bonusToken
]
.add(bonusTokenAmount);
}
function endLMRewards(address token, bool removeBonusTokenData) public {
_admin();
lmRewards[token].amount = 0;
lmRewards[token].duration = 0;
lmRewards[token].startedAt = 0;
lmRewards[token].rewardCalcInstance = address(0);
if (removeBonusTokenData) {
for (uint256 index = 0; index < lmRewards[token].bonusTokens.length(); index++) {
address bonusToken = lmRewards[token].bonusTokens.at(index);
lmRewards[token].bonusTokens.remove(bonusToken);
delete lmRewards[token].bonusTokenAmounts[bonusToken];
}
}
}
function setMaxStakesPerVault(uint256 amount) external {
_admin();
MAX_TOKENS_STAKED_PER_VAULT = amount;
}
function setMaxBonusTokens(uint256 amount) external {
_admin();
MAX_BONUS_TOKENS = amount;
}
function setPionnerLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
PIONNER_LM_REWARD_MULTIPLIER_NUM = numerator;
PIONNER_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setEarlyAdopterLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
PRECURSOR_LM_REWARD_MULTIPLIER_NUM = numerator;
PRECURSOR_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setPrecursorLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
INNOVATOR_LM_REWARD_MULTIPLIER_NUM = numerator;
INNOVATOR_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setInnovatorLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
EARLY_ADOPTER_LM_REWARD_MULTIPLIER_NUM = numerator;
EARLY_ADOPTER_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setStandardLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
STANDARD_LM_REWARD_MULTIPLIER_NUM = numerator;
STANDARD_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setLMRewardVestingPeriod(uint256 amount) external {
_admin();
LM_REWARD_VESTING_PERIOD = amount;
}
function setLMRewardVestingPortion(uint256 numerator, uint256 denominator) external {
_admin();
LM_REWARD_VESTING_PORTION_NUM = numerator;
LM_REWARD_VESTING_PORTION_DENOM = denominator;
}
/* getter functions */
function getBonusTokenSetLength() external view override returns (uint256 length) {
return _bonusTokenSet.length();
}
function getBonusTokenAtIndex(uint256 index)
external
view
override
returns (address bonusToken)
{
return _bonusTokenSet.at(index);
}
function getVaultFactorySetLength() external view override returns (uint256 length) {
return _vaultFactorySet.length();
}
function getVaultFactoryAtIndex(uint256 index)
external
view
override
returns (address factory)
{
return _vaultFactorySet.at(index);
}
function getNumVaults() external view override returns (uint256 num) {
return _vaultSet.length();
}
function getVaultAt(uint256 index) external view override returns (address vault) {
return _vaultSet.at(index);
}
function getNumTokensStaked() external view override returns (uint256 num) {
return _allStakedTokens.length();
}
function getTokenStakedAt(uint256 index) external view override returns (address token) {
return _allStakedTokens.at(index);
}
function getNumTokensStakedInVault(address vault) external view override returns (uint256 num) {
return _vaults[vault].tokens.length();
}
function getVaultTokenAtIndex(address vault, uint256 index)
external
view
override
returns (address vaultToken)
{
return _vaults[vault].tokens.at(index);
}
function getVaultTokenStake(address vault, address token)
external
view
override
returns (uint256 tokenStake)
{
return _vaults[vault].tokenStake[token];
}
function getNftTier(uint256 nftId, address nftFactory)
public
view
returns (string memory tier)
{
uint256 serialNumber = ArbiVaultFactory(nftFactory).tokenIdToSerialNumber(nftId);
if (serialNumber >= 1 && serialNumber <= 10) {
tier = PIONNER;
} else if (serialNumber >= 11 && serialNumber <= 100) {
tier = PRECURSOR;
} else if (serialNumber >= 101 && serialNumber <= 500) {
tier = INNOVATOR;
} else if (serialNumber >= 501 && serialNumber <= 1000) {
tier = EARLY_ADOPTER;
} else if (serialNumber >= 1001) {
tier = STANDARD;
}
}
function getNftsOfOwner(address owner, address nftFactory)
public
view
returns (uint256[] memory nftIds)
{
uint256 balance = ArbiVaultFactory(nftFactory).balanceOf(owner);
nftIds = new uint256[](balance);
for (uint256 index = 0; index < balance; index++) {
uint256 nftId = ArbiVaultFactory(nftFactory).tokenOfOwnerByIndex(owner, index);
nftIds[index] = nftId;
}
}
function getLMRewardData(address token)
external
view
override
returns (
uint256 amount,
uint256 duration,
uint256 startedAt,
address rewardCalcInstance
)
{
return (
lmRewards[token].amount,
lmRewards[token].duration,
lmRewards[token].startedAt,
lmRewards[token].rewardCalcInstance
);
}
function getLMRewardBonusTokensLength(address token)
external
view
override
returns (uint256 length)
{
return lmRewards[token].bonusTokens.length();
}
function getLMRewardBonusTokenAt(address token, uint256 index)
external
view
override
returns (address bonusToken, uint256 bonusTokenAmount)
{
return (
lmRewards[token].bonusTokens.at(index),
lmRewards[token].bonusTokenAmounts[lmRewards[token].bonusTokens.at(index)]
);
}
function getNumVestingLMTokenRewards(address user)
external
view
override
returns (uint256 num)
{
return vestingLMTokenRewards[user].length();
}
function getVestingLMTokenAt(address user, uint256 index)
external
view
override
returns (address token)
{
return vestingLMTokenRewards[user].at(index);
}
function getNumVests(address user, address token) external view override returns (uint256 num) {
return vestingLMRewards[user][token].length;
}
function getLMRewardVestingData(
address user,
address token,
uint256 index
) external view override returns (uint256 amount, uint256 startedAt) {
return (
vestingLMRewards[user][token][index].amount,
vestingLMRewards[user][token][index].startedAt
);
}
function getNumRewardCalcTemplates() external view override returns (uint256 num) {
return rewardCalcTemplateNames.length;
}
/* helper functions */
function isValidVault(address vault, address factory)
public
view
override
returns (bool validity)
{
// validate vault is created from whitelisted vault factory and is an instance of that factory
return _vaultFactorySet.contains(factory) && IInstanceRegistry(factory).isInstance(vault);
}
function isValidAddress(address target) public view override returns (bool validity) {
// sanity check target for potential input errors
return
target != address(this) &&
target != address(0) &&
target != rewardToken &&
target != rewardPool &&
!_bonusTokenSet.contains(target);
}
function _tierMultipliedReward(
uint256 nftId,
address nftFactory,
uint256 reward
) private view returns (uint256 multipliedReward) {
// get tier
string memory tier = getNftTier(nftId, nftFactory);
bytes32 tierHash = keccak256(abi.encodePacked(tier));
if (tierHash == keccak256(abi.encodePacked(PIONNER))) {
multipliedReward = reward.mul(PIONNER_LM_REWARD_MULTIPLIER_NUM).div(
PIONNER_LM_REWARD_MULTIPLIER_DENOM
);
} else if (tierHash == keccak256(abi.encodePacked(PRECURSOR))) {
multipliedReward = reward.mul(PRECURSOR_LM_REWARD_MULTIPLIER_NUM).div(
PRECURSOR_LM_REWARD_MULTIPLIER_DENOM
);
} else if (tierHash == keccak256(abi.encodePacked(INNOVATOR))) {
multipliedReward = reward.mul(INNOVATOR_LM_REWARD_MULTIPLIER_NUM).div(
INNOVATOR_LM_REWARD_MULTIPLIER_DENOM
);
} else if (tierHash == keccak256(abi.encodePacked(EARLY_ADOPTER))) {
multipliedReward = reward.mul(EARLY_ADOPTER_LM_REWARD_MULTIPLIER_NUM).div(
EARLY_ADOPTER_LM_REWARD_MULTIPLIER_DENOM
);
} else if (tierHash == keccak256(abi.encodePacked(STANDARD))) {
multipliedReward = reward.mul(STANDARD_LM_REWARD_MULTIPLIER_NUM).div(
STANDARD_LM_REWARD_MULTIPLIER_DENOM
);
}
}
/* user functions */
/// @notice Exit ArbiStaker without claiming reward
/// @dev This function should never revert when correctly called by the vault.
/// A max number of tokens staked per vault is set with MAX_TOKENS_STAKED_PER_VAULT to
/// place an upper bound on the for loop.
/// access control: callable by anyone but fails if caller is not an approved vault
/// state machine:
/// - when vault exists on this ArbiStaker
/// - when active stake from this vault
/// - any power state
/// state scope:
/// - decrease stakedTokenTotal[token], delete if 0
/// - delete _vaults[vault].tokenStake[token]
/// - remove _vaults[vault].tokens.remove(token)
/// - delete _vaults[vault]
/// - remove vault from _vaultSet
/// - remove token from _allStakedTokens if required
/// token transfer: none
function rageQuit() external override {
require(_vaultSet.contains(msg.sender), "ArbiStakerERC20: no vault");
//fetch vault storage reference
VaultData storage vaultData = _vaults[msg.sender];
// revert if no active tokens staked
EnumerableSet.AddressSet storage vaultTokens = vaultData.tokens;
require(vaultTokens.length() > 0, "ArbiStakerERC20: no stake");
// update totals
for (uint256 index = 0; index < vaultTokens.length(); index++) {
address token = vaultTokens.at(index);
vaultTokens.remove(token);
uint256 amount = vaultData.tokenStake[token];
uint256 newTotal = stakedTokenTotal[token].sub(amount);
assert(newTotal >= 0);
if (newTotal == 0) {
_allStakedTokens.remove(token);
delete stakedTokenTotal[token];
} else {
stakedTokenTotal[token] = newTotal;
}
delete vaultData.tokenStake[token];
}
// delete vault data
_vaultSet.remove(msg.sender);
delete _vaults[msg.sender];
// emit event
emit RageQuit(msg.sender);
}
/// @notice Stake ERC20 tokens
/// @dev anyone can stake to any vault if they have valid permission
/// access control: anyone
/// state machine:
/// - can be called multiple times
/// - only online
/// - when vault exists on this ArbiStaker
/// state scope:
/// - add token to _vaults[vault].tokens if not already exists
/// - increase _vaults[vault].tokenStake[token]
/// - add vault to _vaultSet if not already exists
/// - add token to _allStakedTokens if not already exists
/// - increase stakedTokenTotal[token]
/// token transfer: transfer staking tokens from msg.sender to vault
/// @param vault address The address of the vault to stake to
/// @param vaultFactory address The address of the vault factory which created the vault
/// @param token address The address of the token being staked
/// @param amount uint256 The amount of tokens to stake
function stakeERC20(
address vault,
address vaultFactory,
address token,
uint256 amount,
bytes calldata permission
) external override onlyOnline {
// verify vault is valid
require(isValidVault(vault, vaultFactory), "ArbiStakerERC20: vault is not valid");
// verify non-zero amount
require(amount != 0, "ArbiStakerERC20: no amount staked");
// check sender balance
require(IERC20(token).balanceOf(msg.sender) >= amount, "insufficient token balance");
// add vault to set
_vaultSet.add(vault);
// fetch vault storage reference
VaultData storage vaultData = _vaults[vault];
// verify stakes boundary not reached
require(
vaultData.tokens.length() < MAX_TOKENS_STAKED_PER_VAULT,
"ArbiStakerERC20: MAX_TOKENS_STAKED_PER_VAULT reached"
);
// add token to set and increase amount
vaultData.tokens.add(token);
vaultData.tokenStake[token] = vaultData.tokenStake[token].add(amount);
// update total token staked
_allStakedTokens.add(token);
stakedTokenTotal[token] = stakedTokenTotal[token].add(amount);
// perform transfer
TransferHelper.safeTransferFrom(token, msg.sender, vault, amount);
// call lock on vault
IUniversalVault(vault).lockERC20(token, amount, permission);
// check if there is a reward program currently running
if (lmRewards[token].startedAt != 0) {
address rewardCalcInstance = lmRewards[token].rewardCalcInstance;
(, uint256 rewardEarned, ) =
IERC2917(rewardCalcInstance).increaseProductivity(msg.sender, amount);
earnedLMRewards[msg.sender][token] = earnedLMRewards[msg.sender][token].add(
rewardEarned
);
}
// emit event
emit Staked(vault, amount);
}
/// @notice Unstake ERC20 tokens and claim reward
/// @dev LM rewards can only be claimed when unstaking
/// access control: anyone with permission
/// state machine:
/// - when vault exists on this ArbiStakerERC20
/// - after stake from vault
/// - can be called multiple times while sufficient stake remains
/// - only online
/// state scope:
/// - decrease _vaults[vault].tokenStake[token]
/// - delete token from _vaults[vault].tokens if token stake is 0
/// - decrease stakedTokenTotal[token]
/// - delete token from _allStakedTokens if total token stake is 0
/// token transfer:
/// - transfer reward tokens from reward pool to recipient
/// - transfer bonus tokens from reward pool to recipient
/// @param vault address The vault to unstake from
/// @param vaultFactory address The vault factory that created this vault
/// @param recipient address The recipient to send reward to
/// @param token address The staking token
/// @param amount uint256 The amount of staking tokens to unstake
/// @param claimBonusReward bool flag to claim bonus rewards
function unstakeERC20AndClaim(
address vault,
address vaultFactory,
address recipient,
address token,
uint256 amount,
bool claimBonusReward,
bytes calldata permission
) external override onlyOnline {
require(_vaultSet.contains(vault), "ArbiStakerERC20: no vault");
// fetch vault storage reference
VaultData storage vaultData = _vaults[vault];
// verify non-zero amount
require(amount != 0, "ArbiStakerERC20: no amount unstaked");
// validate recipient
require(isValidAddress(recipient), "ArbiStakerERC20: invalid recipient");
// check for sufficient vault stake amount
require(vaultData.tokens.contains(token), "ArbiStakerERC20: no token in vault");
// check for sufficient vault stake amount
require(
vaultData.tokenStake[token] >= amount,
"ArbiStakerERC20: insufficient vault token stake"
);
// check for sufficient total token stake amount
// if the above check succeeds and this check fails, there is a bug in stake accounting
require(
stakedTokenTotal[token] >= amount,
"stakedTokenTotal[token] is less than amount being unstaked"
);
// check if there is a reward program currently running
uint256 rewardEarned = earnedLMRewards[msg.sender][token];
if (lmRewards[token].startedAt != 0) {
address rewardCalcInstance = lmRewards[token].rewardCalcInstance;
(, uint256 newReward, ) =
IERC2917(rewardCalcInstance).decreaseProductivity(msg.sender, amount);
rewardEarned = rewardEarned.add(newReward);
}
// decrease vaultTokenStake of token in this vault
vaultData.tokenStake[token] = vaultData.tokenStake[token].sub(amount);
if (vaultData.tokenStake[token] == 0) {
vaultData.tokens.remove(token);
delete vaultData.tokenStake[token];
}
// decrease stakedTokenTotal across all vaults
stakedTokenTotal[token] = stakedTokenTotal[token].sub(amount);
if (stakedTokenTotal[token] == 0) {
_allStakedTokens.remove(token);
delete stakedTokenTotal[token];
}
// unlock staking tokens from vault
IUniversalVault(vault).unlockERC20(token, amount, permission);
// emit event
emit Unstaked(vault, amount);
// only perform on non-zero reward
if (rewardEarned > 0) {
// transfer bonus tokens from reward pool to recipient
// bonus tokens can only be claimed during an active rewards program
if (claimBonusReward && lmRewards[token].startedAt != 0) {
for (uint256 index = 0; index < lmRewards[token].bonusTokens.length(); index++) {
// fetch bonus token address reference
address bonusToken = lmRewards[token].bonusTokens.at(index);
// calculate bonus token amount
// bonusAmount = rewardEarned * allocatedBonusReward / allocatedMainReward
uint256 bonusAmount =
rewardEarned.mul(lmRewards[token].bonusTokenAmounts[bonusToken]).div(
lmRewards[token].amount
);
// transfer bonus token
IRewardPool(rewardPool).sendERC20(bonusToken, recipient, bonusAmount);
// emit event
emit RewardClaimed(vault, recipient, bonusToken, bonusAmount);
}
}
// take care of multiplier
uint256 multipliedReward =
_tierMultipliedReward(uint256(vault), vaultFactory, rewardEarned);
// take care of vesting
uint256 vestingPortion =
multipliedReward.mul(LM_REWARD_VESTING_PORTION_NUM).div(
LM_REWARD_VESTING_PORTION_DENOM
);
vestingLMRewards[msg.sender][token].push(
LMRewardVestingData(vestingPortion, block.timestamp)
);
vestingLMTokenRewards[msg.sender].add(token);
// set earned reward to 0
earnedLMRewards[msg.sender][token] = 0;
// transfer reward tokens from reward pool to recipient
IRewardPool(rewardPool).sendERC20(
rewardToken,
recipient,
multipliedReward.sub(vestingPortion)
);
// emit event
emit RewardClaimed(vault, recipient, rewardToken, rewardEarned);
}
}
function claimVestedRewardAll() external override onlyOnline {
uint256 numTokens = vestingLMTokenRewards[msg.sender].length();
for (uint256 index = 0; index < numTokens; index++) {
address token = vestingLMTokenRewards[msg.sender].at(index);
claimVestedReward(token, vestingLMRewards[msg.sender][token].length);
}
}
function claimVestedRewardToken(address token) external override onlyOnline {
claimVestedReward(token, vestingLMRewards[msg.sender][token].length);
}
function claimVestedReward(address token, uint256 numVests) public onlyOnline {
require(
numVests <= vestingLMRewards[msg.sender][token].length,
"num vests can't be greater than available vests"
);
LMRewardVestingData[] storage vests = vestingLMRewards[msg.sender][token];
uint256 vestedReward;
for (uint256 index = 0; index < numVests; index++) {
LMRewardVestingData storage vest = vests[index];
uint256 duration = block.timestamp.sub(vest.startedAt);
uint256 vested = vest.amount.mul(duration).div(LM_REWARD_VESTING_PERIOD);
if (vested >= vest.amount) {
// completely vested
vested = vest.amount;
// copy last element into this slot and pop last
vests[index] = vests[vests.length - 1];
vests.pop();
index--;
numVests--;
// if all vested remove from set
if (vests.length == 0) {
vestingLMTokenRewards[msg.sender].remove(token);
break;
}
} else {
vest.amount = vest.amount.sub(vested);
}
vestedReward = vestedReward.add(vested);
}
if (vestedReward > 0) {
// transfer reward tokens from reward pool to recipient
IRewardPool(rewardPool).sendERC20(rewardToken, msg.sender, vestedReward);
// emit event
emit VestedRewardClaimed(msg.sender, rewardToken, vestedReward);
}
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Library for managing
* https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
* types.
*
* Sets have the following properties:
*
* - Elements are added, removed, and checked for existence in constant time
* (O(1)).
* - Elements are enumerated in O(n). No guarantees are made on the ordering.
*
* ```
* contract Example {
* // Add the library methods
* using EnumerableSet for EnumerableSet.AddressSet;
*
* // Declare a set state variable
* EnumerableSet.AddressSet private mySet;
* }
* ```
*
* As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
* and `uint256` (`UintSet`) are supported.
*/
library EnumerableSet {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Set type with
// bytes32 values.
// The Set implementation uses private functions, and user-facing
// implementations (such as AddressSet) are just wrappers around the
// underlying Set.
// This means that we can only create new EnumerableSets for types that fit
// in bytes32.
struct Set {
// Storage of set values
bytes32[] _values;
// Position of the value in the `values` array, plus 1 because index 0
// means a value is not in the set.
mapping (bytes32 => uint256) _indexes;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
// The value is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
set._indexes[value] = set._values.length;
return true;
} else {
return false;
}
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function _remove(Set storage set, bytes32 value) private returns (bool) {
// We read and store the value's index to prevent multiple reads from the same storage slot
uint256 valueIndex = set._indexes[value];
if (valueIndex != 0) { // Equivalent to contains(set, value)
// To delete an element from the _values array in O(1), we swap the element to delete with the last one in
// the array, and then remove the last element (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 toDeleteIndex = valueIndex - 1;
uint256 lastIndex = set._values.length - 1;
// When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
// so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.
bytes32 lastvalue = set._values[lastIndex];
// Move the last value to the index where the value to delete is
set._values[toDeleteIndex] = lastvalue;
// Update the index for the moved value
set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based
// Delete the slot where the moved value was stored
set._values.pop();
// Delete the index for the deleted slot
delete set._indexes[value];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._indexes[value] != 0;
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Set storage set, uint256 index) private view returns (bytes32) {
require(set._values.length > index, "EnumerableSet: index out of bounds");
return set._values[index];
}
// Bytes32Set
struct Bytes32Set {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
// AddressSet
struct AddressSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
// UintSet
struct UintSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.6.0;
// helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false
library TransferHelper {
function safeApprove(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('approve(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeApprove: approve failed'
);
}
function safeTransfer(
address token,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transfer(address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::safeTransfer: transfer failed'
);
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 value
) internal {
// bytes4(keccak256(bytes('transferFrom(address,address,uint256)')));
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(
success && (data.length == 0 || abi.decode(data, (bool))),
'TransferHelper::transferFrom: transferFrom failed'
);
}
function safeTransferETH(address to, uint256 value) internal {
(bool success, ) = to.call{value: value}(new bytes(0));
require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
interface IFactory {
function create(bytes calldata args) external returns (address instance);
function create2(bytes calldata args, bytes32 salt) external returns (address instance);
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
import {EnumerableSet} from "@openzeppelin/contracts/utils/EnumerableSet.sol";
interface IInstanceRegistry {
/* events */
event InstanceAdded(address instance);
event InstanceRemoved(address instance);
/* view functions */
function isInstance(address instance) external view returns (bool validity);
function instanceCount() external view returns (uint256 count);
function instanceAt(uint256 index) external view returns (address instance);
}
/// @title InstanceRegistry
contract InstanceRegistry is IInstanceRegistry {
using EnumerableSet for EnumerableSet.AddressSet;
/* storage */
EnumerableSet.AddressSet private _instanceSet;
/* view functions */
function isInstance(address instance) external view override returns (bool validity) {
return _instanceSet.contains(instance);
}
function instanceCount() external view override returns (uint256 count) {
return _instanceSet.length();
}
function instanceAt(uint256 index) external view override returns (address instance) {
return _instanceSet.at(index);
}
/* admin functions */
function _register(address instance) internal {
require(_instanceSet.add(instance), "InstanceRegistry: already registered");
emit InstanceAdded(instance);
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
pragma abicoder v2;
import {SafeMath} from "@openzeppelin/contracts/math/SafeMath.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import {IERC721Receiver} from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import {ERC721} from "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import {Initializable} from "@openzeppelin/contracts/proxy/Initializable.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/EnumerableSet.sol";
import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {TransferHelper} from "@uniswap/lib/contracts/libraries/TransferHelper.sol";
import {EIP712} from "./EIP712.sol";
import {ERC1271} from "./ERC1271.sol";
import {OwnableERC721} from "./OwnableERC721.sol";
import {IRageQuit} from "../arbiStaker/ArbiStakerERC721.sol";
interface IUniversalVault {
/* user events */
event LockedERC20(address delegate, address token, uint256 amount);
event UnlockedERC20(address delegate, address token, uint256 amount);
event LockedERC721(address delegate, address token, uint256 tokenId);
event UnlockedERC721(address delegate, address token, uint256 tokenId);
event RageQuit(address delegate, address token, bool notified, string reason);
/* data types */
struct LockData {
address delegate;
address token;
uint256 balance;
}
/* initialize function */
function initialize() external;
/* user functions */
function lockERC20(
address token,
uint256 amount,
bytes calldata permission
) external;
function unlockERC20(
address token,
uint256 amount,
bytes calldata permission
) external;
function lockERC721(
address token,
uint256 tokenId,
bytes calldata permission
) external;
function unlockERC721(
address token,
uint256 tokenId,
bytes calldata permission
) external;
function rageQuit(address delegate, address token)
external
returns (bool notified, string memory error);
function transferERC20(
address token,
address to,
uint256 amount
) external;
function transferERC721(
address token,
address to,
uint256 tokenId
) external;
function transferETH(address to, uint256 amount) external payable;
/* pure functions */
function calculateLockID(address delegate, address token)
external
pure
returns (bytes32 lockID);
/* getter functions */
function getPermissionHash(
bytes32 eip712TypeHash,
address delegate,
address token,
uint256 amount,
uint256 nonce
) external view returns (bytes32 permissionHash);
function getPermissionHashERC721(
bytes32 eip712TypeHash,
address delegate,
address token,
uint256 tokenId,
uint256 nonce
) external view returns (bytes32 permissionHash);
function getNonce() external view returns (uint256 nonce);
function owner() external view returns (address ownerAddress);
function getLockSetCount() external view returns (uint256 count);
function getLockAt(uint256 index) external view returns (LockData memory lockData);
function getLockSetAt(uint256 index) external view returns (bytes32 lockId);
function getBalanceDelegated(address token, address delegate)
external
view
returns (uint256 balance);
function getBalanceLocked(address token) external view returns (uint256 balance);
function checkBalances() external view returns (bool validity);
function checkERC20Balances() external view returns (bool validity);
function checkERC721Balances() external view returns (bool validity);
}
/// @title ArbiVault
/// @notice Vault for isolated storage of staking tokens
/// @dev Warning: not compatible with rebasing tokens
contract ArbiVault is
IUniversalVault,
EIP712("UniversalVault", "1.0.0"),
ERC1271,
OwnableERC721,
Initializable,
IERC721Receiver
{
using SafeMath for uint256;
using Address for address;
using Address for address payable;
using EnumerableSet for EnumerableSet.Bytes32Set;
/* constant */
// Hardcoding a gas limit for rageQuit() is required to prevent gas DOS attacks
// the gas requirement cannot be determined at runtime by querying the delegate
// as it could potentially be manipulated by a malicious delegate who could force
// the calls to revert.
// The gas limit could alternatively be set upon vault initialization or creation
// of a lock, but the gas consumption trade-offs are not favorable.
// Ultimately, to avoid a need for fixed gas limits, the EVM would need to provide
// an error code that allows for reliably catching out-of-gas errors on remote calls.
uint256 public constant RAGEQUIT_GAS = 500000;
bytes32 public constant LOCK_TYPEHASH =
keccak256("LockERC20(address delegate,address token,uint256 amount,uint256 nonce)");
bytes32 public constant UNLOCK_TYPEHASH =
keccak256("UnlockERC20(address delegate,address token,uint256 amount,uint256 nonce)");
bytes32 public constant LOCK_ERC721_TYPEHASH =
keccak256("LockERC721(address delegate,address token,uint256 tokenId,uint256 nonce)");
bytes32 public constant UNLOCK_ERC721_TYPEHASH =
keccak256("UnlockERC721(address delegate,address token,uint256 tokenId,uint256 nonce)");
string public constant VERSION = "1.0.0";
/* storage */
uint256 private _nonce;
// nft type to id mapping
mapping(address => mapping(uint256 => bool)) public lockedERC721s;
mapping(bytes32 => LockData) private _locks;
EnumerableSet.Bytes32Set private _lockSet;
/* initialization function */
function initializeLock() external initializer {}
function initialize() external override initializer {
OwnableERC721._setNFT(msg.sender);
}
/* ether receive */
receive() external payable {}
/* internal overrides */
function _getOwner() internal view override(ERC1271) returns (address ownerAddress) {
return OwnableERC721.owner();
}
/* overrides */
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external override returns (bytes4) {
return IERC721Receiver(0).onERC721Received.selector;
}
/* pure functions */
function calculateLockID(address delegate, address token)
public
pure
override
returns (bytes32 lockID)
{
return keccak256(abi.encodePacked(delegate, token));
}
/* getter functions */
function getPermissionHash(
bytes32 eip712TypeHash,
address delegate,
address token,
uint256 amount,
uint256 nonce
) public view override returns (bytes32 permissionHash) {
return
EIP712._hashTypedDataV4(
keccak256(abi.encode(eip712TypeHash, delegate, token, amount, nonce))
);
}
function getPermissionHashERC721(
bytes32 eip712TypeHash,
address delegate,
address token,
uint256 tokenId,
uint256 nonce
) public view override returns (bytes32 permissionHash) {
return
EIP712._hashTypedDataV4(
keccak256(abi.encode(eip712TypeHash, delegate, token, tokenId, nonce))
);
}
function getNonce() external view override returns (uint256 nonce) {
return _nonce;
}
function owner()
public
view
override(IUniversalVault, OwnableERC721)
returns (address ownerAddress)
{
return OwnableERC721.owner();
}
function getLockSetCount() external view override returns (uint256 count) {
return _lockSet.length();
}
function getLockSetAt(uint256 index) external view override returns (bytes32 lockId) {
return _lockSet.at(index);
}
function getLockAt(uint256 index) external view override returns (LockData memory lockData) {
return _locks[_lockSet.at(index)];
}
function getBalanceDelegated(address token, address delegate)
external
view
override
returns (uint256 balance)
{
return _locks[calculateLockID(delegate, token)].balance;
}
function getBalanceLocked(address token) public view override returns (uint256 balance) {
uint256 count = _lockSet.length();
for (uint256 index; index < count; index++) {
LockData storage _lockData = _locks[_lockSet.at(index)];
if (_lockData.token == token && _lockData.balance > balance)
balance = _lockData.balance;
}
return balance;
}
function checkBalances() external view override returns (bool validity) {
// iterate over all token locks and validate sufficient balance
uint256 count = _lockSet.length();
for (uint256 index; index < count; index++) {
// fetch storage lock reference
LockData storage _lockData = _locks[_lockSet.at(index)];
// if insufficient balance and no∏t shutdown, return false
if (IERC20(_lockData.token).balanceOf(address(this)) < _lockData.balance) return false;
}
// if sufficient balance or shutdown, return true
return true;
}
function checkERC20Balances() external view override returns (bool validity) {
// iterate over all token locks and validate sufficient balance
uint256 count = _lockSet.length();
for (uint256 index; index < count; index++) {
// fetch storage lock reference
LockData storage _lockData = _locks[_lockSet.at(index)];
// if insufficient balance return false
if (IERC20(_lockData.token).balanceOf(address(this)) < _lockData.balance) return false;
}
// if sufficient balance return true
return true;
}
function checkERC721Balances() external view override returns (bool validity) {
// iterate over all token locks and validate sufficient balance
uint256 count = _lockSet.length();
for (uint256 index; index < count; index++) {
// fetch storage lock reference
LockData storage _lockData = _locks[_lockSet.at(index)];
// if insufficient balance return false
if (IERC721(_lockData.token).balanceOf(address(this)) < _lockData.balance) return false;
}
// if sufficient balance return true
return true;
}
/* user functions */
/// @notice Lock ERC20 tokens in the vault
/// access control: called by delegate with signed permission from owner
/// state machine: anytime
/// state scope:
/// - insert or update _locks
/// - increase _nonce
/// token transfer: none
/// @param token Address of token being locked
/// @param amount Amount of tokens being locked
/// @param permission Permission signature payload
function lockERC20(
address token,
uint256 amount,
bytes calldata permission
)
external
override
onlyValidSignature(
getPermissionHash(LOCK_TYPEHASH, msg.sender, token, amount, _nonce),
permission
)
{
// get lock id
bytes32 lockID = calculateLockID(msg.sender, token);
// add lock to storage
if (_lockSet.contains(lockID)) {
// if lock already exists, increase amount
_locks[lockID].balance = _locks[lockID].balance.add(amount);
} else {
// if does not exist, create new lock
// add lock to set
assert(_lockSet.add(lockID));
// add lock data to storage
_locks[lockID] = LockData(msg.sender, token, amount);
}
// validate sufficient balance
require(
IERC20(token).balanceOf(address(this)) >= _locks[lockID].balance,
"UniversalVault: insufficient balance"
);
// increase nonce
_nonce += 1;
// emit event
emit LockedERC20(msg.sender, token, amount);
}
/// @notice Lock ERC721 tokens in the vault
/// access control: called by delegate with signed permission from owner
/// state machine: anytime
/// state scope:
/// - insert or update _locks
/// - increase _nonce
/// token transfer: none
/// @param token Address of token being locked
/// @param tokenId TokenId of ERC721 token
/// @param permission Permission signature payload
function lockERC721(
address token,
uint256 tokenId,
bytes calldata permission
)
external
override
onlyValidSignature(
getPermissionHashERC721(LOCK_ERC721_TYPEHASH, msg.sender, token, tokenId, _nonce),
permission
)
{
// sanity check, can't lock self
require(address(tokenId) != address(this), "can't self lock");
// validate ownership
require(
IERC721(token).ownerOf(tokenId) == address(this),
"UniversalVault: vault not owner of nft"
);
require(lockedERC721s[token][tokenId] == false, "NFT already locked");
lockedERC721s[token][tokenId] = true;
// get lock id
bytes32 lockID = calculateLockID(msg.sender, token);
// add lock to storage
if (_lockSet.contains(lockID)) {
// if lock already exists, increase amount by 1
_locks[lockID].balance = _locks[lockID].balance.add(1);
} else {
// if does not exist, create new lock
// add lock to set
assert(_lockSet.add(lockID));
// add lock data to storage
_locks[lockID] = LockData(msg.sender, token, 1);
}
// increase nonce
_nonce += 1;
// emit event
emit LockedERC721(msg.sender, token, tokenId);
}
/// @notice Unlock ERC20 tokens in the vault
/// access control: called by delegate with signed permission from owner
/// state machine: after valid lock from delegate
/// state scope:
/// - remove or update _locks
/// - increase _nonce
/// token transfer: none
/// @param token Address of token being unlocked
/// @param amount Amount of tokens being unlocked
/// @param permission Permission signature payload
function unlockERC20(
address token,
uint256 amount,
bytes calldata permission
)
external
override
onlyValidSignature(
getPermissionHash(UNLOCK_TYPEHASH, msg.sender, token, amount, _nonce),
permission
)
{
// get lock id
bytes32 lockID = calculateLockID(msg.sender, token);
// validate existing lock
require(_lockSet.contains(lockID), "UniversalVault: missing lock");
// update lock data
if (_locks[lockID].balance > amount) {
// substract amount from lock balance
_locks[lockID].balance = _locks[lockID].balance.sub(amount);
} else {
// delete lock data
delete _locks[lockID];
assert(_lockSet.remove(lockID));
}
// increase nonce
_nonce += 1;
// emit event
emit UnlockedERC20(msg.sender, token, amount);
}
/// @notice Unlock ERC721 tokens in the vault
/// access control: called by delegate with signed permission from owner
/// state machine: after valid lock from delegate
/// state scope:
/// - remove or update _locks
/// - increase _nonce
/// token transfer: none
/// @param token Address of token being unlocked
/// @param tokenId TokenId of ERC721 token
/// @param permission Permission signature payload
function unlockERC721(
address token,
uint256 tokenId,
bytes calldata permission
)
external
override
onlyValidSignature(
getPermissionHashERC721(UNLOCK_ERC721_TYPEHASH, msg.sender, token, tokenId, _nonce),
permission
)
{
// validate ownership
require(
IERC721(token).ownerOf(tokenId) == address(this),
"UniversalVault: vault not owner of nft"
);
require(lockedERC721s[token][tokenId] == true, "NFT not locked");
lockedERC721s[token][tokenId] = false;
// get lock id
bytes32 lockID = calculateLockID(msg.sender, token);
// validate existing lock
require(_lockSet.contains(lockID), "UniversalVault: missing lock");
// update lock data
if (_locks[lockID].balance > 1) {
// subtract 1 from lock balance
_locks[lockID].balance = _locks[lockID].balance.sub(1);
} else {
// delete lock data
delete _locks[lockID];
assert(_lockSet.remove(lockID));
}
// increase nonce
_nonce += 1;
// emit event
emit UnlockedERC721(msg.sender, token, tokenId);
}
/// @notice Forcibly cancel delegate lock
/// @dev This function will attempt to notify the delegate of the rage quit using
/// a fixed amount of gas.
/// access control: only owner
/// state machine: after valid lock from delegate
/// state scope:
/// - remove item from _locks
/// token transfer: none
/// @param delegate Address of delegate
/// @param token Address of token being unlocked
function rageQuit(address delegate, address token)
external
override
onlyOwner
returns (bool notified, string memory error)
{
// get lock id
bytes32 lockID = calculateLockID(delegate, token);
// validate existing lock
require(_lockSet.contains(lockID), "UniversalVault: missing lock");
// attempt to notify delegate
if (delegate.isContract()) {
// check for sufficient gas
require(gasleft() >= RAGEQUIT_GAS, "UniversalVault: insufficient gas");
// attempt rageQuit notification
try IRageQuit(delegate).rageQuit{gas: RAGEQUIT_GAS}() {
notified = true;
} catch Error(string memory res) {
notified = false;
error = res;
} catch (bytes memory) {
notified = false;
}
}
// update lock storage
assert(_lockSet.remove(lockID));
delete _locks[lockID];
// emit event
emit RageQuit(delegate, token, notified, error);
}
/// @notice Transfer ERC20 tokens out of vault
/// access control: only owner
/// state machine: when balance >= max(lock) + amount
/// state scope: none
/// token transfer: transfer any token
/// @param token Address of token being transferred
/// @param to Address of the recipient
/// @param amount Amount of tokens to transfer
function transferERC20(
address token,
address to,
uint256 amount
) external override onlyOwner {
// check for sufficient balance
require(
IERC20(token).balanceOf(address(this)) >= getBalanceLocked(token).add(amount),
"UniversalVault: insufficient balance"
);
// perform transfer
TransferHelper.safeTransfer(token, to, amount);
}
/// @notice Transfer ERC721 tokens out of vault
/// access control: only owner
/// state machine: when the owner of vault
/// state scope: none
/// token transfer: transfer any token
/// @param token Address of token being transferred
/// @param to Address of the recipient
/// @param tokenId TokenId of token to transfer
function transferERC721(
address token,
address to,
uint256 tokenId
) external override onlyOwner {
// validate ownership
require(
IERC721(token).ownerOf(tokenId) == address(this),
"UniversalVault: vault not owner of nft"
);
// perform transfer
IERC721(token).safeTransferFrom(address(this), to, tokenId);
}
/// @notice Transfer ERC20 tokens out of vault
/// access control: only owner
/// state machine: when balance >= amount
/// state scope: none
/// token transfer: transfer any token
/// @param to Address of the recipient
/// @param amount Amount of ETH to transfer
function transferETH(address to, uint256 amount) external payable override onlyOwner {
// perform transfer
TransferHelper.safeTransferETH(to, amount);
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
import {SafeMath} from "@openzeppelin/contracts/math/SafeMath.sol";
import {ERC721} from "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IFactory} from "../factory/IFactory.sol";
import {IInstanceRegistry} from "../factory/InstanceRegistry.sol";
import {ProxyFactory} from "../factory/ProxyFactory.sol";
import {IUniversalVault} from "./ArbiVault.sol";
/// @title ArbiVaultFactory
contract ArbiVaultFactory is Ownable, IFactory, IInstanceRegistry, ERC721 {
using SafeMath for uint256;
bytes32[] public names;
mapping(bytes32 => address) public templates;
bytes32 public activeTemplate;
uint256 public tokenSerialNumber;
mapping(uint256 => uint256) public serialNumberToTokenId;
mapping(uint256 => uint256) public tokenIdToSerialNumber;
mapping(address => address[]) private ownerToVaultsMap;
event TemplateAdded(bytes32 indexed name, address indexed template);
event TemplateActive(bytes32 indexed name, address indexed template);
constructor() ERC721("ArbiVault", "ARBIVAULT") {
ERC721._setBaseURI("https://backend.arbirise.finance/nft/");
}
function addTemplate(bytes32 name, address template) public onlyOwner {
require(templates[name] == address(0), "Template already exists");
templates[name] = template;
if (names.length == 0) {
activeTemplate = name;
emit TemplateActive(name, template);
}
names.push(name);
emit TemplateAdded(name, template);
}
function setActive(bytes32 name) public onlyOwner {
require(templates[name] != address(0), "Template does not exist");
activeTemplate = name;
emit TemplateActive(name, templates[name]);
}
/* registry functions */
function isInstance(address instance) external view override returns (bool validity) {
return ERC721._exists(uint256(instance));
}
function instanceCount() external view override returns (uint256 count) {
return ERC721.totalSupply();
}
function instanceAt(uint256 index) external view override returns (address instance) {
return address(ERC721.tokenByIndex(index));
}
/* factory functions */
function create(bytes calldata) external override returns (address vault) {
return createSelected(activeTemplate);
}
function create2(bytes calldata, bytes32 salt) external override returns (address vault) {
return createSelected2(activeTemplate, salt);
}
function create() public returns (address vault) {
return createSelected(activeTemplate);
}
function create2(bytes32 salt) public returns (address vault) {
return createSelected2(activeTemplate, salt);
}
function createSelected(bytes32 name) public returns (address vault) {
// create clone and initialize
vault = ProxyFactory._create(
templates[name],
abi.encodeWithSelector(IUniversalVault.initialize.selector)
);
// mint nft to caller
uint256 tokenId = uint256(vault);
ERC721._safeMint(msg.sender, tokenId);
// push vault to owner's map
ownerToVaultsMap[msg.sender].push(vault);
// update serial number
tokenSerialNumber = tokenSerialNumber.add(1);
serialNumberToTokenId[tokenSerialNumber] = tokenId;
tokenIdToSerialNumber[tokenId] = tokenSerialNumber;
// emit event
emit InstanceAdded(vault);
// explicit return
return vault;
}
function createSelected2(bytes32 name, bytes32 salt) public returns (address vault) {
// create clone and initialize
vault = ProxyFactory._create2(
templates[name],
abi.encodeWithSelector(IUniversalVault.initialize.selector),
salt
);
// mint nft to caller
uint256 tokenId = uint256(vault);
ERC721._safeMint(msg.sender, tokenId);
// push vault to owner's map
ownerToVaultsMap[msg.sender].push(vault);
// update serial number
tokenSerialNumber = tokenSerialNumber.add(1);
serialNumberToTokenId[tokenSerialNumber] = tokenId;
tokenIdToSerialNumber[tokenId] = tokenSerialNumber;
// emit event
emit InstanceAdded(vault);
// explicit return
return vault;
}
/* getter functions */
function nameCount() public view returns (uint256) {
return names.length;
}
function vaultCount(address owner) public view returns (uint256) {
return ownerToVaultsMap[owner].length;
}
function getVault(address owner, uint256 index) public view returns (address) {
return ownerToVaultsMap[owner][index];
}
function getAllVaults(address owner) public view returns (address[] memory) {
return ownerToVaultsMap[owner];
}
function getTemplate() external view returns (address) {
return templates[activeTemplate];
}
function getVaultOfNFT(uint256 nftId) public pure returns (address) {
return address(nftId);
}
function getNFTOfVault(address vault) public pure returns (uint256) {
return uint256(vault);
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {TransferHelper} from "@uniswap/lib/contracts/libraries/TransferHelper.sol";
import {Powered} from "./Powered.sol";
interface IRewardPool {
function sendERC20(
address token,
address to,
uint256 value
) external;
function rescueERC20(address[] calldata tokens, address recipient) external;
}
/// @title Reward Pool
/// @notice Vault for isolated storage of reward tokens
contract RewardPool is IRewardPool, Powered, Ownable {
/* initializer */
constructor(address powerSwitch) {
Powered._setPowerSwitch(powerSwitch);
}
/* user functions */
/// @notice Send an ERC20 token
/// access control: only owner
/// state machine:
/// - can be called multiple times
/// - only online
/// state scope: none
/// token transfer: transfer tokens from self to recipient
/// @param token address The token to send
/// @param to address The recipient to send to
/// @param value uint256 Amount of tokens to send
function sendERC20(
address token,
address to,
uint256 value
) external override onlyOwner onlyOnline {
TransferHelper.safeTransfer(token, to, value);
}
/* emergency functions */
/// @notice Rescue multiple ERC20 tokens
/// access control: only power controller
/// state machine:
/// - can be called multiple times
/// - only shutdown
/// state scope: none
/// token transfer: transfer tokens from self to recipient
/// @param tokens address[] The tokens to rescue
/// @param recipient address The recipient to rescue to
function rescueERC20(address[] calldata tokens, address recipient)
external
override
onlyShutdown
{
// only callable by controller
require(
msg.sender == Powered.getPowerController(),
"RewardPool: only controller can withdraw after shutdown"
);
// assert recipient is defined
require(recipient != address(0), "RewardPool: recipient not defined");
// transfer tokens
for (uint256 index = 0; index < tokens.length; index++) {
// get token
address token = tokens[index];
// get balance
uint256 balance = IERC20(token).balanceOf(address(this));
// transfer token
TransferHelper.safeTransfer(token, recipient, balance);
}
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
import {IPowerSwitch} from "./PowerSwitch.sol";
interface IPowered {
function isOnline() external view returns (bool status);
function isOffline() external view returns (bool status);
function isShutdown() external view returns (bool status);
function getPowerSwitch() external view returns (address powerSwitch);
function getPowerController() external view returns (address controller);
}
/// @title Powered
/// @notice Helper for calling external PowerSwitch
contract Powered is IPowered {
/* storage */
address private _powerSwitch;
/* modifiers */
modifier onlyOnline() {
_onlyOnline();
_;
}
modifier onlyOffline() {
_onlyOffline();
_;
}
modifier notShutdown() {
_notShutdown();
_;
}
modifier onlyShutdown() {
_onlyShutdown();
_;
}
/* initializer */
function _setPowerSwitch(address powerSwitch) internal {
_powerSwitch = powerSwitch;
}
/* getter functions */
function isOnline() public view override returns (bool status) {
return IPowerSwitch(_powerSwitch).isOnline();
}
function isOffline() public view override returns (bool status) {
return IPowerSwitch(_powerSwitch).isOffline();
}
function isShutdown() public view override returns (bool status) {
return IPowerSwitch(_powerSwitch).isShutdown();
}
function getPowerSwitch() public view override returns (address powerSwitch) {
return _powerSwitch;
}
function getPowerController() public view override returns (address controller) {
return IPowerSwitch(_powerSwitch).getPowerController();
}
/* convenience functions */
function _onlyOnline() private view {
require(isOnline(), "Powered: is not online");
}
function _onlyOffline() private view {
require(isOffline(), "Powered: is not offline");
}
function _notShutdown() private view {
require(!isShutdown(), "Powered: is shutdown");
}
function _onlyShutdown() private view {
require(isShutdown(), "Powered: is not shutdown");
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
interface IERC2917 {
/// @dev This emits when interests amount per block is changed by the owner of the contract.
/// It emits with the old interests amount and the new interests amount.
event InterestRatePerBlockChanged(uint256 oldValue, uint256 newValue);
/// @dev This emits when a users' productivity has changed
/// It emits with the user's address and the the value after the change.
event ProductivityIncreased(address indexed user, uint256 value);
/// @dev This emits when a users' productivity has changed
/// It emits with the user's address and the the value after the change.
event ProductivityDecreased(address indexed user, uint256 value);
function initialize() external;
/// @dev Note best practice will be to restrict the caller to staking contract address.
function setImplementor(address newImplementor) external;
/// @dev Return the current contract's interest rate per block.
/// @return The amount of interests currently producing per each block.
function interestsPerBlock() external view returns (uint256);
/// @notice Change the current contract's interest rate.
/// @dev Note best practice will be to restrict the caller to staking contract address.
/// @return The true/fase to notice that the value has successfully changed or not, when it succeeds, it will emit the InterestRatePerBlockChanged event.
function changeInterestRatePerBlock(uint256 value) external returns (bool);
/// @notice It will get the productivity of a given user.
/// @dev it will return 0 if user has no productivity in the contract.
/// @return user's productivity and overall productivity.
function getProductivity(address user) external view returns (uint256, uint256);
/// @notice increase a user's productivity.
/// @dev Note best practice will be to restrict the caller to staking contract address.
/// @return productivity added status as well as interest earned prior period and total productivity
function increaseProductivity(address user, uint256 value)
external
returns (
bool,
uint256,
uint256
);
/// @notice decrease a user's productivity.
/// @dev Note best practice will be to restrict the caller to staking contract address.
/// @return productivity removed status as well as interest earned prior period and total productivity
function decreaseProductivity(address user, uint256 value)
external
returns (
bool,
uint256,
uint256
);
/// @notice take() will return the interest that callee will get at current block height.
/// @dev it will always be calculated by block.number, so it will change when block height changes.
/// @return amount of the interest that user is able to mint() at current block height.
function take() external view returns (uint256);
/// @notice similar to take(), but with the block height joined to calculate return.
/// @dev for instance, it returns (_amount, _block), which means at block height _block, the callee has accumulated _amount of interest.
/// @return amount of interest and the block height.
function takeWithBlock() external view returns (uint256, uint256);
/// @notice mint the avaiable interests to callee.
/// @dev once it mints, the amount of interests will transfer to callee's address.
/// @return the amount of interest minted.
function mint() external returns (uint256);
}// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
import {Clones} from "@openzeppelin/contracts/proxy/Clones.sol";
library ProxyFactory {
/* functions */
function _create(address logic, bytes memory data) internal returns (address proxy) {
// deploy clone
proxy = Clones.clone(logic);
// attempt initialization
if (data.length > 0) {
(bool success, bytes memory err) = proxy.call(data);
require(success, string(err));
}
// explicit return
return proxy;
}
function _create2(
address logic,
bytes memory data,
bytes32 salt
) internal returns (address proxy) {
// deploy clone
proxy = Clones.cloneDeterministic(logic, salt);
// attempt initialization
if (data.length > 0) {
(bool success, bytes memory err) = proxy.call(data);
require(success, string(err));
}
// explicit return
return proxy;
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.2 <0.8.0;
import "../../introspection/IERC165.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721Receiver {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
*/
function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data) external returns (bytes4);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
import "../../utils/Context.sol";
import "./IERC721.sol";
import "./IERC721Metadata.sol";
import "./IERC721Enumerable.sol";
import "./IERC721Receiver.sol";
import "../../introspection/ERC165.sol";
import "../../math/SafeMath.sol";
import "../../utils/Address.sol";
import "../../utils/EnumerableSet.sol";
import "../../utils/EnumerableMap.sol";
import "../../utils/Strings.sol";
/**
* @title ERC721 Non-Fungible Token Standard basic implementation
* @dev see https://eips.ethereum.org/EIPS/eip-721
*/
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
using SafeMath for uint256;
using Address for address;
using EnumerableSet for EnumerableSet.UintSet;
using EnumerableMap for EnumerableMap.UintToAddressMap;
using Strings for uint256;
// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
// which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
// Mapping from holder address to their (enumerable) set of owned tokens
mapping (address => EnumerableSet.UintSet) private _holderTokens;
// Enumerable mapping from token ids to their owners
EnumerableMap.UintToAddressMap private _tokenOwners;
// Mapping from token ID to approved address
mapping (uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping (address => mapping (address => bool)) private _operatorApprovals;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Optional mapping for token URIs
mapping (uint256 => string) private _tokenURIs;
// Base URI
string private _baseURI;
/*
* bytes4(keccak256('balanceOf(address)')) == 0x70a08231
* bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
* bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
* bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
* bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
* bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5
* bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
*
* => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
* 0xa22cb465 ^ 0xe985e9c5 ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
*/
bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;
/*
* bytes4(keccak256('name()')) == 0x06fdde03
* bytes4(keccak256('symbol()')) == 0x95d89b41
* bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
*
* => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
*/
bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;
/*
* bytes4(keccak256('totalSupply()')) == 0x18160ddd
* bytes4(keccak256('tokenOfOwnerByIndex(address,uint256)')) == 0x2f745c59
* bytes4(keccak256('tokenByIndex(uint256)')) == 0x4f6ccce7
*
* => 0x18160ddd ^ 0x2f745c59 ^ 0x4f6ccce7 == 0x780e9d63
*/
bytes4 private constant _INTERFACE_ID_ERC721_ENUMERABLE = 0x780e9d63;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor (string memory name_, string memory symbol_) public {
_name = name_;
_symbol = symbol_;
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(_INTERFACE_ID_ERC721);
_registerInterface(_INTERFACE_ID_ERC721_METADATA);
_registerInterface(_INTERFACE_ID_ERC721_ENUMERABLE);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _holderTokens[owner].length();
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
return _tokenOwners.get(tokenId, "ERC721: owner query for nonexistent token");
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory _tokenURI = _tokenURIs[tokenId];
string memory base = baseURI();
// If there is no base URI, return the token URI.
if (bytes(base).length == 0) {
return _tokenURI;
}
// If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
if (bytes(_tokenURI).length > 0) {
return string(abi.encodePacked(base, _tokenURI));
}
// If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
return string(abi.encodePacked(base, tokenId.toString()));
}
/**
* @dev Returns the base URI set via {_setBaseURI}. This will be
* automatically added as a prefix in {tokenURI} to each token's URI, or
* to the token ID if no specific URI is set for that token ID.
*/
function baseURI() public view virtual returns (string memory) {
return _baseURI;
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
return _holderTokens[owner].at(index);
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
// _tokenOwners are indexed by tokenIds, so .length() returns the number of tokenIds
return _tokenOwners.length();
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
*/
function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
(uint256 tokenId, ) = _tokenOwners.at(index);
return tokenId;
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(_msgSender() == owner || ERC721.isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(address from, address to, uint256 tokenId) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(address from, address to, uint256 tokenId, bytes memory _data) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _tokenOwners.contains(tokenId);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || ERC721.isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
d*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(address to, uint256 tokenId, bytes memory _data) internal virtual {
_mint(to, tokenId);
require(_checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId); // internal owner
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
// Clear metadata (if any)
if (bytes(_tokenURIs[tokenId]).length != 0) {
delete _tokenURIs[tokenId];
}
_holderTokens[owner].remove(tokenId);
_tokenOwners.remove(tokenId);
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(address from, address to, uint256 tokenId) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); // internal owner
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_holderTokens[from].remove(tokenId);
_holderTokens[to].add(tokenId);
_tokenOwners.set(tokenId, to);
emit Transfer(from, to, tokenId);
}
/**
* @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
_tokenURIs[tokenId] = _tokenURI;
}
/**
* @dev Internal function to set the base URI for all token IDs. It is
* automatically added as a prefix to the value returned in {tokenURI},
* or to the token ID if {tokenURI} is empty.
*/
function _setBaseURI(string memory baseURI_) internal virtual {
_baseURI = baseURI_;
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
private returns (bool)
{
if (!to.isContract()) {
return true;
}
bytes memory returndata = to.functionCall(abi.encodeWithSelector(
IERC721Receiver(to).onERC721Received.selector,
_msgSender(),
from,
tokenId,
_data
), "ERC721: transfer to non ERC721Receiver implementer");
bytes4 retval = abi.decode(returndata, (bytes4));
return (retval == _ERC721_RECEIVED);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits an {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId); // internal owner
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual { }
}// SPDX-License-Identifier: MIT
// solhint-disable-next-line compiler-version
pragma solidity >=0.4.24 <0.8.0;
import "../utils/Address.sol";
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {UpgradeableProxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Modifier to protect an initializer function from being invoked twice.
*/
modifier initializer() {
require(_initializing || _isConstructor() || !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
/// @dev Returns true if and only if the function is running in the constructor
function _isConstructor() private view returns (bool) {
return !Address.isContract(address(this));
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.2 <0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/* solhint-disable max-line-length */
/**
* @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
*
* The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,
* thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding
* they need in their contracts using a combination of `abi.encode` and `keccak256`.
*
* This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
* scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
* ({_hashTypedDataV4}).
*
* The implementation of the domain separator was designed to be as efficient as possible while still properly updating
* the chain id to protect against replay attacks on an eventual fork of the chain.
*
* NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
* https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
*
* _Available since v3.4._
*/
abstract contract EIP712 {
/* solhint-disable var-name-mixedcase */
bytes32 private immutable _HASHED_NAME;
bytes32 private immutable _HASHED_VERSION;
bytes32 private constant _TYPE_HASH =
keccak256(
"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
);
/* solhint-enable var-name-mixedcase */
/**
* @dev Initializes the domain separator and parameter caches.
*
* The meaning of `name` and `version` is specified in
* https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
*
* - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
* - `version`: the current major version of the signing domain.
*
* NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
* contract upgrade].
*/
constructor(string memory name, string memory version) {
_HASHED_NAME = keccak256(bytes(name));
_HASHED_VERSION = keccak256(bytes(version));
}
/**
* @dev Returns the domain separator for the current chain.
*/
function _domainSeparatorV4() internal view returns (bytes32) {
return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash());
}
function _buildDomainSeparator(
bytes32 typeHash,
bytes32 name,
bytes32 version
) private view returns (bytes32) {
return keccak256(abi.encode(typeHash, name, version, _getChainId(), address(this)));
}
/**
* @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
* function returns the hash of the fully encoded EIP712 message for this domain.
*
* This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
*
* ```solidity
* bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
* keccak256("Mail(address to,string contents)"),
* mailTo,
* keccak256(bytes(mailContents))
* )));
* address signer = ECDSA.recover(digest, signature);
* ```
*/
function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
return keccak256(abi.encodePacked("\x19\x01", _domainSeparatorV4(), structHash));
}
function _getChainId() private view returns (uint256 chainId) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
// solhint-disable-next-line no-inline-assembly
assembly {
chainId := chainid()
}
}
/**
* @dev The hash of the name parameter for the EIP712 domain.
*
* NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
* are a concern.
*/
function _EIP712NameHash() internal view virtual returns (bytes32) {
return _HASHED_NAME;
}
/**
* @dev The hash of the version parameter for the EIP712 domain.
*
* NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
* are a concern.
*/
function _EIP712VersionHash() internal view virtual returns (bytes32) {
return _HASHED_VERSION;
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
import {ECDSA} from "@openzeppelin/contracts/cryptography/ECDSA.sol";
import {Address} from "@openzeppelin/contracts/utils/Address.sol";
interface IERC1271 {
function isValidSignature(bytes32 _messageHash, bytes memory _signature)
external
view
returns (bytes4 magicValue);
}
library SignatureChecker {
function isValidSignature(
address signer,
bytes32 hash,
bytes memory signature
) internal view returns (bool) {
if (Address.isContract(signer)) {
bytes4 selector = IERC1271.isValidSignature.selector;
(bool success, bytes memory returndata) =
signer.staticcall(abi.encodeWithSelector(selector, hash, signature));
return success && abi.decode(returndata, (bytes4)) == selector;
} else {
return ECDSA.recover(hash, signature) == signer;
}
}
}
/// @title ERC1271
/// @notice Module for ERC1271 compatibility
abstract contract ERC1271 is IERC1271 {
// Valid magic value bytes4(keccak256("isValidSignature(bytes32,bytes)")
bytes4 internal constant VALID_SIG = IERC1271.isValidSignature.selector;
// Invalid magic value
bytes4 internal constant INVALID_SIG = bytes4(0);
modifier onlyValidSignature(bytes32 permissionHash, bytes memory signature) {
require(
isValidSignature(permissionHash, signature) == VALID_SIG,
"ERC1271: Invalid signature"
);
_;
}
function _getOwner() internal view virtual returns (address owner);
function isValidSignature(bytes32 permissionHash, bytes memory signature)
public
view
override
returns (bytes4)
{
return
SignatureChecker.isValidSignature(_getOwner(), permissionHash, signature)
? VALID_SIG
: INVALID_SIG;
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
/// @title OwnableERC721
/// @notice Use ERC721 ownership for access control
contract OwnableERC721 {
address private _nftAddress;
modifier onlyOwner() {
require(owner() == msg.sender, "OwnableERC721: caller is not the owner");
_;
}
function _setNFT(address nftAddress) internal {
_nftAddress = nftAddress;
}
function nft() public view virtual returns (address nftAddress) {
return _nftAddress;
}
function owner() public view virtual returns (address ownerAddress) {
return IERC721(_nftAddress).ownerOf(uint256(address(this)));
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
pragma abicoder v2;
import {SafeMath} from "@openzeppelin/contracts/math/SafeMath.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/EnumerableSet.sol";
import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import {TransferHelper} from "@uniswap/lib/contracts/libraries/TransferHelper.sol";
import {IFactory} from "../factory/IFactory.sol";
import {IInstanceRegistry} from "../factory/InstanceRegistry.sol";
import {IUniversalVault} from "../arbiVault/ArbiVault.sol";
import {ArbiVaultFactory} from "../arbiVault/ArbiVaultFactory.sol";
import {IRewardPool} from "./RewardPool.sol";
import {Powered} from "./Powered.sol";
import {IERC2917} from "./IERC2917.sol";
import {ProxyFactory} from "../factory/ProxyFactory.sol";
interface IRageQuit {
function rageQuit() external;
}
interface IArbiStakerERC721 is IRageQuit {
/* admin events */
event ArbiStakerERC721Created(address rewardPool, address powerSwitch);
event ArbiStakerERC721Funded(address token, uint256 amount);
event BonusTokenRegistered(address token);
event BonusTokenRemoved(address token);
event VaultFactoryRegistered(address factory);
event VaultFactoryRemoved(address factory);
event AdminshipTransferred(address indexed previousAdmin, address indexed newAdmin);
/* user events */
event Staked(address vault, address token, uint256 tokenId);
event Unstaked(address vault, address token, uint256 tokenId);
event RageQuit(address vault);
event RewardClaimed(address vaultFactory, address recipient, address token, uint256 amount);
event VestedRewardClaimed(address recipient, address token, uint256 amount);
/* data types */
struct VaultData {
// token address to total token stake mapping
mapping(address => uint256) tokenStake;
EnumerableSet.AddressSet tokens;
}
struct LMRewardData {
uint256 amount;
uint256 duration;
uint256 startedAt;
address rewardCalcInstance;
EnumerableSet.AddressSet bonusTokens;
mapping(address => uint256) bonusTokenAmounts;
}
struct LMRewardVestingData {
uint256 amount;
uint256 startedAt;
}
/* getter functions */
function getBonusTokenSetLength() external view returns (uint256 length);
function getBonusTokenAtIndex(uint256 index) external view returns (address bonusToken);
function getVaultFactorySetLength() external view returns (uint256 length);
function getVaultFactoryAtIndex(uint256 index) external view returns (address factory);
function getNumVaults() external view returns (uint256 num);
function getVaultAt(uint256 index) external view returns (address vault);
function getNumTokensStaked() external view returns (uint256 num);
function getTokenStakedAt(uint256 index) external view returns (address token);
function getNumTokensStakedInVault(address vault) external view returns (uint256 num);
function getVaultTokenAtIndex(address vault, uint256 index)
external
view
returns (address vaultToken);
function getVaultTokenStake(address vault, address token)
external
view
returns (uint256 tokenStake);
function getLMRewardData(address token)
external
view
returns (
uint256 amount,
uint256 duration,
uint256 startedAt,
address rewardCalcInstance
);
function getLMRewardBonusTokensLength(address token) external view returns (uint256 length);
function getLMRewardBonusTokenAt(address token, uint256 index)
external
view
returns (address bonusToken, uint256 bonusTokenAmount);
function getNumVestingLMTokenRewards(address user) external view returns (uint256 num);
function getVestingLMTokenAt(address user, uint256 index) external view returns (address token);
function getNumVests(address user, address token) external view returns (uint256 num);
function getNumRewardCalcTemplates() external view returns (uint256 num);
function getLMRewardVestingData(
address user,
address token,
uint256 index
) external view returns (uint256 amount, uint256 startedAt);
function isValidAddress(address target) external view returns (bool validity);
function isValidVault(address vault, address factory) external view returns (bool validity);
/* user functions */
function stakeERC721(
address vault,
address vaultFactory,
address token,
uint256 tokenId,
bytes calldata permission
) external;
function unstakeERC721AndClaimReward(
address vault,
address vaultFactory,
address recipient,
address token,
uint256 tokenId,
bool claimBonusReward,
bytes calldata permission
) external;
function claimVestedRewardAll() external;
function claimVestedRewardToken(address token) external;
}
/// @title ArbiStakerERC721
/// @notice Reward distribution contract that handles ERC721 Token with Tiers
/// Access Control
/// - Power controller:
/// Can power off / shutdown the ArbiStakerERC721
/// Can withdraw rewards from reward pool once shutdown
/// - Owner:
/// Is unable to operate on user funds due to UniversalVault
/// Is unable to operate on reward pool funds when reward pool is offline / shutdown
/// - ArbiStakerERC721 admin:
/// Can add funds to the ArbiStakerERC721, register bonus tokens, and whitelist new vault factories
/// Is a subset of owner permissions
/// - User:
/// Can stake / unstake / ragequit / claim vested rewards
/// ArbiStakerERC721 State Machine
/// - Online:
/// ArbiStakerERC721 is operating normally, all functions are enabled
/// - Offline:
/// ArbiStakerERC721 is temporarely disabled for maintenance
/// User staking and unstaking is disabled, ragequit remains enabled
/// Users can delete their stake through rageQuit() but forego their pending reward
/// Should only be used when downtime required for an upgrade
/// - Shutdown:
/// ArbiStakerERC721 is permanently disabled
/// All functions are disabled with the exception of ragequit
/// Users can delete their stake through rageQuit()
/// Power controller can withdraw from the reward pool
/// Should only be used if Owner role is compromised
contract ArbiStakerERC721 is IArbiStakerERC721, Powered {
using SafeMath for uint256;
using EnumerableSet for EnumerableSet.AddressSet;
/* constants */
string public constant PIONNER = "PIONNER";
string public constant PRECURSOR = "PRECURSOR";
string public constant INNOVATOR = "INNOVATOR";
string public constant EARLY_ADOPTER = "EARLY_ADOPTER";
string public constant STANDARD = "STANDARD";
uint256 public PIONNER_LM_REWARD_MULTIPLIER_NUM = 6;
uint256 public PIONNER_LM_REWARD_MULTIPLIER_DENOM = 2;
uint256 public PRECURSOR_LM_REWARD_MULTIPLIER_NUM = 5;
uint256 public PRECURSOR_LM_REWARD_MULTIPLIER_DENOM = 2;
uint256 public INNOVATOR_LM_REWARD_MULTIPLIER_NUM = 2;
uint256 public INNOVATOR_LM_REWARD_MULTIPLIER_DENOM = 1;
uint256 public EARLY_ADOPTER_LM_REWARD_MULTIPLIER_NUM = 3;
uint256 public EARLY_ADOPTER_LM_REWARD_MULTIPLIER_DENOM = 2;
uint256 public STANDARD_LM_REWARD_MULTIPLIER_NUM = 1;
uint256 public STANDARD_LM_REWARD_MULTIPLIER_DENOM = 1;
uint256 public LM_REWARD_VESTING_PERIOD = 7776000; // 3 months
uint256 public LM_REWARD_VESTING_PORTION_NUM = 1;
uint256 public LM_REWARD_VESTING_PORTION_DENOM = 2;
// An upper bound on the number of active tokens staked per vault is required to prevent
// calls to rageQuit() from reverting.
// With 30 tokens staked in a vault, ragequit costs 432811 gas which is conservatively lower
// than the hardcoded limit of 500k gas on the vault.
// This limit is configurable and could be increased in a future deployment.
// Ultimately, to avoid a need for fixed upper bounds, the EVM would need to provide
// an error code that allows for reliably catching out-of-gas errors on remote calls.
uint256 public MAX_TOKENS_STAKED_PER_VAULT = 30;
uint256 public MAX_BONUS_TOKENS = 50;
/* storage */
address public admin;
address public rewardToken;
address public rewardPool;
EnumerableSet.AddressSet private _vaultSet;
mapping(address => VaultData) private _vaults;
EnumerableSet.AddressSet private _bonusTokenSet;
EnumerableSet.AddressSet private _vaultFactorySet;
EnumerableSet.AddressSet private _allStakedTokens;
mapping(address => uint256) public stakedTokenTotal;
mapping(address => LMRewardData) private lmRewards;
// user to token to earned reward mapping
mapping(address => mapping(address => uint256)) public earnedLMRewards;
// user to token to vesting data mapping
mapping(address => mapping(address => LMRewardVestingData[])) public vestingLMRewards;
// user to vesting lm token rewards set
mapping(address => EnumerableSet.AddressSet) private vestingLMTokenRewards;
// erc2917 template names
string[] public rewardCalcTemplateNames;
// erc2917 template names to erc 2917 templates
mapping(string => address) public rewardCalcTemplates;
string public activeRewardCalcTemplate;
event RewardCalcTemplateAdded(string indexed name, address indexed template);
event RewardCalcTemplateActive(string indexed name, address indexed template);
/* initializer */
/// @notice Initizalize ArbiStakerERC721
/// access control: only proxy constructor
/// state machine: can only be called once
/// state scope: set initialization variables
/// token transfer: none
/// @param adminAddress address The admin address
/// @param rewardPoolFactory address The factory to use for deploying the RewardPool
/// @param powerSwitchFactory address The factory to use for deploying the PowerSwitch
/// @param rewardTokenAddress address The address of the reward token for this ArbiStakerERC721
constructor(
address adminAddress,
address rewardPoolFactory,
address powerSwitchFactory,
address rewardTokenAddress
) {
// deploy power switch
address powerSwitch = IFactory(powerSwitchFactory).create(abi.encode(adminAddress));
// deploy reward pool
rewardPool = IFactory(rewardPoolFactory).create(abi.encode(powerSwitch));
// set internal config
admin = adminAddress;
rewardToken = rewardTokenAddress;
Powered._setPowerSwitch(powerSwitch);
// emit event
emit ArbiStakerERC721Created(rewardPool, powerSwitch);
}
/* admin functions */
function _admin() private {
require(msg.sender == admin, "not allowed");
}
/**
* @dev Leaves the contract without admin. It will not be possible to call
* `admin` functions anymore. Can only be called by the current admin.
*
* NOTE: Renouncing adminship will leave the contract without an admin,
* thereby removing any functionality that is only available to the admin.
*/
function renounceAdminship() public {
_admin();
emit AdminshipTransferred(admin, address(0));
admin = address(0);
}
/**
* @dev Transfers adminship of the contract to a new account (`newAdmin`).
* Can only be called by the current admin.
*/
function transferAdminship(address newAdmin) public {
_admin();
require(newAdmin != address(0), "new admin can't the zero address");
emit AdminshipTransferred(admin, newAdmin);
admin = newAdmin;
}
/// @notice Add funds to ArbiStakerERC721
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - only online
/// state scope:
/// - none
/// token transfer: transfer staking tokens from msg.sender to reward pool
/// @param amount uint256 Amount of reward tokens to deposit
function fund(address token, uint256 amount) external {
_admin();
require(
_bonusTokenSet.contains(token) || token == rewardToken,
"cannot fund with unrecognized token"
);
// transfer reward tokens to reward pool
TransferHelper.safeTransferFrom(token, msg.sender, rewardPool, amount);
// emit event
emit ArbiStakerERC721Funded(token, amount);
}
/// @notice Rescue tokens from RewardPool
/// @dev use this function to rescue tokens from RewardPool contract without distributing to stakers or triggering emergency shutdown
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - not shutdown
/// state scope: none
/// token transfer: transfer requested token from RewardPool to recipient
/// @param token address The address of the token to rescue
/// @param recipient address The address of the recipient
/// @param amount uint256 The amount of tokens to rescue
function rescueTokensFromRewardPool(
address token,
address recipient,
uint256 amount
) external {
_admin();
// verify recipient
require(isValidAddress(recipient), "invalid recipient");
// transfer tokens to recipient
IRewardPool(rewardPool).sendERC20(token, recipient, amount);
}
/// @notice Add vault factory to whitelist
/// @dev use this function to enable stakes to vaults coming from the specified factory contract
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - not shutdown
/// state scope:
/// - append to _vaultFactorySet
/// token transfer: none
/// @param factory address The address of the vault factory
function registerVaultFactory(address factory) external {
_admin();
// add factory to set
require(
_vaultFactorySet.add(factory),
"ArbiStakerERC721: vault factory already registered"
);
// emit event
emit VaultFactoryRegistered(factory);
}
/// @notice Remove vault factory from whitelist
/// @dev use this function to disable new stakes to vaults coming from the specified factory contract.
/// note: vaults with existing stakes from this factory are sill able to unstake
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - not shutdown
/// state scope:
/// - remove from _vaultFactorySet
/// token transfer: none
/// @param factory address The address of the vault factory
function removeVaultFactory(address factory) external {
_admin();
// remove factory from set
require(_vaultFactorySet.remove(factory), "ArbiStakerERC721: vault factory not registered");
// emit event
emit VaultFactoryRemoved(factory);
}
/// @notice Register bonus token for distribution
/// @dev use this function to enable distribution of any ERC20 held by the RewardPool contract
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - only online
/// state scope:
/// - append to _bonusTokenSet
/// token transfer: none
/// @param bonusToken address The address of the bonus token
function registerBonusToken(address bonusToken) external {
_admin();
// verify valid bonus token
require(isValidAddress(bonusToken), "invalid bonus token address or is already present");
// verify bonus token count
require(
_bonusTokenSet.length() < MAX_BONUS_TOKENS,
"ArbiStakerERC721: max bonus tokens reached "
);
// add token to set
_bonusTokenSet.add(bonusToken);
// emit event
emit BonusTokenRegistered(bonusToken);
}
/// @notice Remove bonus token
/// @dev use this function to disable distribution of a token held by the RewardPool contract
/// access control: only admin
/// state machine:
/// - can be called multiple times
/// - not shutdown
/// state scope:
/// - remove from _bonusTokenSet
/// token transfer: none
/// @param bonusToken address The address of the bonus token
function removeBonusToken(address bonusToken) external {
_admin();
require(_bonusTokenSet.remove(bonusToken), "ArbiStakerERC721: bonus token not present ");
// emit event
emit BonusTokenRemoved(bonusToken);
}
function addRewardCalcTemplate(string calldata name, address template) external {
_admin();
require(rewardCalcTemplates[name] == address(0), "Template already exists");
rewardCalcTemplates[name] = template;
if (rewardCalcTemplateNames.length == 0) {
activeRewardCalcTemplate = name;
emit RewardCalcTemplateActive(name, template);
}
rewardCalcTemplateNames.push(name);
emit RewardCalcTemplateAdded(name, template);
}
function setRewardCalcActiveTemplate(string calldata name) external {
_admin();
require(rewardCalcTemplates[name] != address(0), "Template does not exist");
activeRewardCalcTemplate = name;
emit RewardCalcTemplateActive(name, rewardCalcTemplates[name]);
}
function startLMRewards(
address token,
uint256 amount,
uint256 duration
) external {
startLMRewardsToken(token, amount, duration, activeRewardCalcTemplate);
}
function startLMRewardsToken(
address token,
uint256 amount,
uint256 duration,
string memory rewardCalcTemplateName
) public {
_admin();
require(lmRewards[token].startedAt == 0, "A reward program already live for this token");
require(
rewardCalcTemplates[rewardCalcTemplateName] != address(0),
"Reward Calculator Template does not exist"
);
// create reward calc clone from template
address rewardCalcInstance =
ProxyFactory._create(
rewardCalcTemplates[rewardCalcTemplateName],
abi.encodeWithSelector(IERC2917.initialize.selector)
);
LMRewardData storage lmrd = lmRewards[token];
lmrd.amount = amount;
lmrd.duration = duration;
lmrd.startedAt = block.timestamp;
lmrd.rewardCalcInstance = rewardCalcInstance;
}
function setImplementorForRewardsCalculator(address token, address newImplementor) public {
_admin();
require(lmRewards[token].startedAt != 0, "No reward program currently live for this token");
address rewardCalcInstance = lmRewards[token].rewardCalcInstance;
IERC2917(rewardCalcInstance).setImplementor(newImplementor);
}
function setLMRewardsPerBlock(address token, uint256 value) public onlyOnline {
_admin();
require(lmRewards[token].startedAt != 0, "No reward program currently live for this token");
address rewardCalcInstance = lmRewards[token].rewardCalcInstance;
IERC2917(rewardCalcInstance).changeInterestRatePerBlock(value);
}
function addBonusTokenToLMRewards(
address lmToken,
address bonusToken,
uint256 bonusTokenAmount
) public {
_admin();
require(
lmRewards[lmToken].startedAt != 0,
"No reward program currently live for this LM token"
);
require(_bonusTokenSet.contains(bonusToken), "Bonus token not registered");
lmRewards[lmToken].bonusTokens.add(bonusToken);
lmRewards[lmToken].bonusTokenAmounts[bonusToken] = lmRewards[lmToken].bonusTokenAmounts[
bonusToken
]
.add(bonusTokenAmount);
}
function endLMRewards(address token, bool removeBonusTokenData) public {
_admin();
lmRewards[token].amount = 0;
lmRewards[token].duration = 0;
lmRewards[token].startedAt = 0;
lmRewards[token].rewardCalcInstance = address(0);
if (removeBonusTokenData) {
for (uint256 index = 0; index < lmRewards[token].bonusTokens.length(); index++) {
address bonusToken = lmRewards[token].bonusTokens.at(index);
lmRewards[token].bonusTokens.remove(bonusToken);
delete lmRewards[token].bonusTokenAmounts[bonusToken];
}
}
}
function setMaxStakesPerVault(uint256 amount) external {
_admin();
MAX_TOKENS_STAKED_PER_VAULT = amount;
}
function setMaxBonusTokens(uint256 amount) external {
_admin();
MAX_BONUS_TOKENS = amount;
}
function setPionnerLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
PIONNER_LM_REWARD_MULTIPLIER_NUM = numerator;
PIONNER_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setEarlyAdopterLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
PRECURSOR_LM_REWARD_MULTIPLIER_NUM = numerator;
PRECURSOR_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setPrecursorLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
INNOVATOR_LM_REWARD_MULTIPLIER_NUM = numerator;
INNOVATOR_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setInnovatorLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
EARLY_ADOPTER_LM_REWARD_MULTIPLIER_NUM = numerator;
EARLY_ADOPTER_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setStandardLMRewardMultiplier(uint256 numerator, uint256 denominator) external {
_admin();
STANDARD_LM_REWARD_MULTIPLIER_NUM = numerator;
STANDARD_LM_REWARD_MULTIPLIER_DENOM = denominator;
}
function setLMRewardVestingPeriod(uint256 amount) external {
_admin();
LM_REWARD_VESTING_PERIOD = amount;
}
function setLMRewardVestingPortion(uint256 numerator, uint256 denominator) external {
_admin();
LM_REWARD_VESTING_PORTION_NUM = numerator;
LM_REWARD_VESTING_PORTION_DENOM = denominator;
}
/* getter functions */
function getBonusTokenSetLength() external view override returns (uint256 length) {
return _bonusTokenSet.length();
}
function getBonusTokenAtIndex(uint256 index)
external
view
override
returns (address bonusToken)
{
return _bonusTokenSet.at(index);
}
function getVaultFactorySetLength() external view override returns (uint256 length) {
return _vaultFactorySet.length();
}
function getVaultFactoryAtIndex(uint256 index)
external
view
override
returns (address factory)
{
return _vaultFactorySet.at(index);
}
function getNumVaults() external view override returns (uint256 num) {
return _vaultSet.length();
}
function getVaultAt(uint256 index) external view override returns (address vault) {
return _vaultSet.at(index);
}
function getNumTokensStaked() external view override returns (uint256 num) {
return _allStakedTokens.length();
}
function getTokenStakedAt(uint256 index) external view override returns (address token) {
return _allStakedTokens.at(index);
}
function getNumTokensStakedInVault(address vault) external view override returns (uint256 num) {
return _vaults[vault].tokens.length();
}
function getVaultTokenAtIndex(address vault, uint256 index)
external
view
override
returns (address vaultToken)
{
return _vaults[vault].tokens.at(index);
}
function getVaultTokenStake(address vault, address token)
external
view
override
returns (uint256 tokenStake)
{
return _vaults[vault].tokenStake[token];
}
function getNftTier(uint256 nftId, address nftFactory)
public
view
returns (string memory tier)
{
uint256 serialNumber = ArbiVaultFactory(nftFactory).tokenIdToSerialNumber(nftId);
if (serialNumber >= 1 && serialNumber <= 10) {
tier = PIONNER;
} else if (serialNumber >= 11 && serialNumber <= 100) {
tier = PRECURSOR;
} else if (serialNumber >= 101 && serialNumber <= 500) {
tier = INNOVATOR;
} else if (serialNumber >= 501 && serialNumber <= 1000) {
tier = EARLY_ADOPTER;
} else if (serialNumber >= 1001) {
tier = STANDARD;
}
}
function getLMRewardData(address token)
external
view
override
returns (
uint256 amount,
uint256 duration,
uint256 startedAt,
address rewardCalcInstance
)
{
return (
lmRewards[token].amount,
lmRewards[token].duration,
lmRewards[token].startedAt,
lmRewards[token].rewardCalcInstance
);
}
function getLMRewardBonusTokensLength(address token)
external
view
override
returns (uint256 length)
{
return lmRewards[token].bonusTokens.length();
}
function getLMRewardBonusTokenAt(address token, uint256 index)
external
view
override
returns (address bonusToken, uint256 bonusTokenAmount)
{
return (
lmRewards[token].bonusTokens.at(index),
lmRewards[token].bonusTokenAmounts[lmRewards[token].bonusTokens.at(index)]
);
}
function getNumVestingLMTokenRewards(address user)
external
view
override
returns (uint256 num)
{
return vestingLMTokenRewards[user].length();
}
function getVestingLMTokenAt(address user, uint256 index)
external
view
override
returns (address token)
{
return vestingLMTokenRewards[user].at(index);
}
function getNumVests(address user, address token) external view override returns (uint256 num) {
return vestingLMRewards[user][token].length;
}
function getLMRewardVestingData(
address user,
address token,
uint256 index
) external view override returns (uint256 amount, uint256 startedAt) {
return (
vestingLMRewards[user][token][index].amount,
vestingLMRewards[user][token][index].startedAt
);
}
function getNumRewardCalcTemplates() external view override returns (uint256 num) {
return rewardCalcTemplateNames.length;
}
/* helper functions */
function isValidVault(address vault, address factory)
public
view
override
returns (bool validity)
{
// validate vault is created from whitelisted vault factory and is an instance of that factory
return _vaultFactorySet.contains(factory) && IInstanceRegistry(factory).isInstance(vault);
}
function isValidAddress(address target) public view override returns (bool validity) {
// sanity check target for potential input errors
return
target != address(this) &&
target != address(0) &&
target != rewardToken &&
target != rewardPool &&
!_bonusTokenSet.contains(target);
}
/* convenience functions */
function _tierMultipliedReward(
uint256 nftId,
address nftFactory,
uint256 reward
) private view returns (uint256 multipliedReward) {
// get tier
string memory tier = getNftTier(nftId, nftFactory);
bytes32 tierHash = keccak256(abi.encodePacked(tier));
if (tierHash == keccak256(abi.encodePacked(PIONNER))) {
multipliedReward = reward.mul(PIONNER_LM_REWARD_MULTIPLIER_NUM).div(
PIONNER_LM_REWARD_MULTIPLIER_DENOM
);
} else if (tierHash == keccak256(abi.encodePacked(PRECURSOR))) {
multipliedReward = reward.mul(PRECURSOR_LM_REWARD_MULTIPLIER_NUM).div(
PRECURSOR_LM_REWARD_MULTIPLIER_DENOM
);
} else if (tierHash == keccak256(abi.encodePacked(INNOVATOR))) {
multipliedReward = reward.mul(INNOVATOR_LM_REWARD_MULTIPLIER_NUM).div(
INNOVATOR_LM_REWARD_MULTIPLIER_DENOM
);
} else if (tierHash == keccak256(abi.encodePacked(EARLY_ADOPTER))) {
multipliedReward = reward.mul(EARLY_ADOPTER_LM_REWARD_MULTIPLIER_NUM).div(
EARLY_ADOPTER_LM_REWARD_MULTIPLIER_DENOM
);
} else if (tierHash == keccak256(abi.encodePacked(STANDARD))) {
multipliedReward = reward.mul(STANDARD_LM_REWARD_MULTIPLIER_NUM).div(
STANDARD_LM_REWARD_MULTIPLIER_DENOM
);
}
}
/* user functions */
/// @notice Exit ArbiStakerERC721 without claiming reward
/// @dev This function should never revert when correctly called by the vault.
/// A max number of tokens staked per vault is set with MAX_TOKENS_STAKED_PER_VAULT to
/// place an upper bound on the for loop.
/// access control: callable by anyone but fails if caller is not an approved vault
/// state machine:
/// - when vault exists on this ArbiStakerERC721
/// - when active stake from this vault
/// - any power state
/// state scope:
/// - decrease stakedTokenTotal[token], delete if 0
/// - delete _vaults[vault].tokenStake[token]
/// - remove _vaults[vault].tokens.remove(token)
/// - delete _vaults[vault]
/// - remove vault from _vaultSet
/// - remove token from _allStakedTokens if required
/// token transfer: none
function rageQuit() external override {
require(_vaultSet.contains(msg.sender), "ArbiStakerERC721: no vault");
//fetch vault storage reference
VaultData storage vaultData = _vaults[msg.sender];
// revert if no active tokens staked
EnumerableSet.AddressSet storage vaultTokens = vaultData.tokens;
require(vaultTokens.length() > 0, "ArbiStakerERC721: no stake");
// update totals
for (uint256 index = 0; index < vaultTokens.length(); index++) {
address token = vaultTokens.at(index);
vaultTokens.remove(token);
uint256 amount = vaultData.tokenStake[token];
uint256 newTotal = stakedTokenTotal[token].sub(amount);
assert(newTotal >= 0);
if (newTotal == 0) {
_allStakedTokens.remove(token);
delete stakedTokenTotal[token];
} else {
stakedTokenTotal[token] = newTotal;
}
delete vaultData.tokenStake[token];
}
// delete vault data
_vaultSet.remove(msg.sender);
delete _vaults[msg.sender];
// emit event
emit RageQuit(msg.sender);
}
/// @notice Stake ERC721 tokens
/// @dev anyone can stake to any vault if they have valid permission
/// access control: anyone
/// state machine:
/// - can be called multiple times
/// - only online
/// - when vault exists on this ArbiStakerERC721
/// state scope:
/// - add token to _vaults[vault].tokens if not already exists
/// - increase _vaults[vault].tokenStake[token]
/// - add vault to _vaultSet if not already exists
/// - add token to _allStakedTokens if not already exists
/// - increase stakedTokenTotal[token]
/// token transfer: transfer staking tokens from msg.sender to vault
/// @param vault address The address of the vault to stake to
/// @param vaultFactory address The address of the vault factory which created the vault
/// @param token address The address of the token being staked
/// @param tokenId uint256 The id of token to stake
function stakeERC721(
address vault,
address vaultFactory,
address token,
uint256 tokenId,
bytes calldata permission
) external override onlyOnline {
// verify vault is valid
require(isValidVault(vault, vaultFactory), "ArbiStakerERC721: vault is not valid");
// add vault to set
_vaultSet.add(vault);
// fetch vault storage reference
VaultData storage vaultData = _vaults[vault];
// verify stakes boundary not reached
require(
vaultData.tokens.length() < MAX_TOKENS_STAKED_PER_VAULT,
"ArbiStakerERC721: MAX_TOKENS_STAKED_PER_VAULT reached"
);
// add token to set and increase amount
vaultData.tokens.add(token);
vaultData.tokenStake[token] = vaultData.tokenStake[token].add(1);
// update total token staked
_allStakedTokens.add(token);
stakedTokenTotal[token] = stakedTokenTotal[token].add(1);
// perform transfer to vault
IERC721(token).safeTransferFrom(msg.sender, vault, tokenId);
// call lock on vault
IUniversalVault(vault).lockERC721(token, tokenId, permission);
// check if there is a reward program currently running
if (lmRewards[token].startedAt != 0) {
address rewardCalcInstance = lmRewards[token].rewardCalcInstance;
(, uint256 rewardEarned, ) =
IERC2917(rewardCalcInstance).increaseProductivity(msg.sender, 1);
earnedLMRewards[msg.sender][token] = earnedLMRewards[msg.sender][token].add(
rewardEarned
);
}
// emit event
emit Staked(vault, token, tokenId);
}
/// @notice Unstake ERC721 tokens and claim reward
/// @dev LM rewards can only be claimed when unstaking
/// access control: anyone with permission
/// state machine:
/// - when vault exists on this ArbiStakerERC721
/// - after stake from vault
/// - can be called multiple times while sufficient stake remains
/// - only online
/// state scope:
/// - decrease _vaults[vault].tokenStake[token]
/// - delete token from _vaults[vault].tokens if token stake is 0
/// - decrease stakedTokenTotal[token]
/// - delete token from _allStakedTokens if total token stake is 0
/// token transfer:
/// - transfer reward tokens from reward pool to recipient
/// - transfer bonus tokens from reward pool to recipient
/// @param vault address The vault to unstake from
/// @param vaultFactory address The vault factory that created this vault
/// @param recipient address The recipient to send reward to
/// @param token address The staking token
/// @param tokenId uint256 The id of the token to unstake
/// @param claimBonusReward bool flag to claim bonus rewards
function unstakeERC721AndClaimReward(
address vault,
address vaultFactory,
address recipient,
address token,
uint256 tokenId,
bool claimBonusReward,
bytes calldata permission
) external override onlyOnline {
require(_vaultSet.contains(vault), "ArbiStakerERC721: no vault");
// fetch vault storage reference
VaultData storage vaultData = _vaults[vault];
// validate recipient
require(isValidAddress(recipient), "ArbiStakerERC721: invalid recipient");
// check for sufficient vault stake amount
require(vaultData.tokens.contains(token), "ArbiStakerERC721: no token in vault");
// check for sufficient vault stake amount
require(
vaultData.tokenStake[token] >= 1,
"ArbiStakerERC721: insufficient vault token stake"
);
// check for sufficient total token stake amount
// if the above check succeeds and this check fails, there is a bug in stake accounting
require(stakedTokenTotal[token] >= 1, "stakedTokenTotal[token] is less than 1");
// check if there is a reward program currently running
uint256 rewardEarned = earnedLMRewards[msg.sender][token];
if (lmRewards[token].startedAt != 0) {
address rewardCalcInstance = lmRewards[token].rewardCalcInstance;
(, uint256 newReward, ) =
IERC2917(rewardCalcInstance).decreaseProductivity(msg.sender, 1);
rewardEarned = rewardEarned.add(newReward);
}
// decrease vaultTokenStake of token in this vault
vaultData.tokenStake[token] = vaultData.tokenStake[token].sub(1);
if (vaultData.tokenStake[token] == 0) {
vaultData.tokens.remove(token);
delete vaultData.tokenStake[token];
}
// decrease stakedTokenTotal across all vaults
stakedTokenTotal[token] = stakedTokenTotal[token].sub(1);
if (stakedTokenTotal[token] == 0) {
_allStakedTokens.remove(token);
delete stakedTokenTotal[token];
}
// unlock staking tokens from vault
IUniversalVault(vault).unlockERC721(token, tokenId, permission);
// emit event
emit Unstaked(vault, token, tokenId);
// only perform on non-zero reward
if (rewardEarned > 0) {
// transfer bonus tokens from reward pool to recipient
// bonus tokens can only be claimed during an active rewards program
if (claimBonusReward && lmRewards[token].startedAt != 0) {
for (uint256 index = 0; index < lmRewards[token].bonusTokens.length(); index++) {
// fetch bonus token address reference
address bonusToken = lmRewards[token].bonusTokens.at(index);
// calculate bonus token amount
// bonusAmount = rewardEarned * allocatedBonusReward / allocatedMainReward
uint256 bonusAmount =
rewardEarned.mul(lmRewards[token].bonusTokenAmounts[bonusToken]).div(
lmRewards[token].amount
);
// transfer bonus token
IRewardPool(rewardPool).sendERC20(bonusToken, recipient, bonusAmount);
// emit event
emit RewardClaimed(vault, recipient, bonusToken, bonusAmount);
}
}
// take care of multiplier
uint256 multipliedReward =
_tierMultipliedReward(uint256(vault), vaultFactory, rewardEarned);
// take care of vesting
uint256 vestingPortion =
multipliedReward.mul(LM_REWARD_VESTING_PORTION_NUM).div(
LM_REWARD_VESTING_PORTION_DENOM
);
vestingLMRewards[msg.sender][token].push(
LMRewardVestingData(vestingPortion, block.timestamp)
);
vestingLMTokenRewards[msg.sender].add(token);
// set earned reward to 0
earnedLMRewards[msg.sender][token] = 0;
// transfer reward tokens from reward pool to recipient
IRewardPool(rewardPool).sendERC20(
rewardToken,
recipient,
multipliedReward.sub(vestingPortion)
);
// emit event
emit RewardClaimed(vault, recipient, rewardToken, rewardEarned);
}
}
function claimVestedRewardAll() external override onlyOnline {
uint256 numTokens = vestingLMTokenRewards[msg.sender].length();
for (uint256 index = 0; index < numTokens; index++) {
address token = vestingLMTokenRewards[msg.sender].at(index);
claimVestedReward(token, vestingLMRewards[msg.sender][token].length);
}
}
function claimVestedRewardToken(address token) external override onlyOnline {
claimVestedReward(token, vestingLMRewards[msg.sender][token].length);
}
function claimVestedReward(address token, uint256 numVests) public onlyOnline {
require(
numVests <= vestingLMRewards[msg.sender][token].length,
"num vests can't be greater than available vests"
);
LMRewardVestingData[] storage vests = vestingLMRewards[msg.sender][token];
uint256 vestedReward;
for (uint256 index = 0; index < numVests; index++) {
LMRewardVestingData storage vest = vests[index];
uint256 duration = block.timestamp.sub(vest.startedAt);
uint256 vested = vest.amount.mul(duration).div(LM_REWARD_VESTING_PERIOD);
if (vested >= vest.amount) {
// completely vested
vested = vest.amount;
// copy last element into this slot and pop last
vests[index] = vests[vests.length - 1];
vests.pop();
index--;
numVests--;
// if all vested remove from set
if (vests.length == 0) {
vestingLMTokenRewards[msg.sender].remove(token);
break;
}
} else {
vest.amount = vest.amount.sub(vested);
}
vestedReward = vestedReward.add(vested);
}
if (vestedReward > 0) {
// transfer reward tokens from reward pool to recipient
IRewardPool(rewardPool).sendERC20(rewardToken, msg.sender, vestedReward);
// emit event
emit VestedRewardClaimed(msg.sender, rewardToken, vestedReward);
}
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.2 <0.8.0;
import "./IERC721.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Metadata is IERC721 {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.2 <0.8.0;
import "./IERC721.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Enumerable is IERC721 {
/**
* @dev Returns the total amount of tokens stored by the contract.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns a token ID owned by `owner` at a given `index` of its token list.
* Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
/**
* @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
* Use along with {totalSupply} to enumerate all tokens.
*/
function tokenByIndex(uint256 index) external view returns (uint256);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
import "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts may inherit from this and call {_registerInterface} to declare
* their support of an interface.
*/
abstract contract ERC165 is IERC165 {
/*
* bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7
*/
bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7;
/**
* @dev Mapping of interface ids to whether or not it's supported.
*/
mapping(bytes4 => bool) private _supportedInterfaces;
constructor () internal {
// Derived contracts need only register support for their own interfaces,
// we register support for ERC165 itself here
_registerInterface(_INTERFACE_ID_ERC165);
}
/**
* @dev See {IERC165-supportsInterface}.
*
* Time complexity O(1), guaranteed to always use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return _supportedInterfaces[interfaceId];
}
/**
* @dev Registers the contract as an implementer of the interface defined by
* `interfaceId`. Support of the actual ERC165 interface is automatic and
* registering its interface id is not required.
*
* See {IERC165-supportsInterface}.
*
* Requirements:
*
* - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).
*/
function _registerInterface(bytes4 interfaceId) internal virtual {
require(interfaceId != 0xffffffff, "ERC165: invalid interface id");
_supportedInterfaces[interfaceId] = true;
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Library for managing an enumerable variant of Solidity's
* https://solidity.readthedocs.io/en/latest/types.html#mapping-types[`mapping`]
* type.
*
* Maps have the following properties:
*
* - Entries are added, removed, and checked for existence in constant time
* (O(1)).
* - Entries are enumerated in O(n). No guarantees are made on the ordering.
*
* ```
* contract Example {
* // Add the library methods
* using EnumerableMap for EnumerableMap.UintToAddressMap;
*
* // Declare a set state variable
* EnumerableMap.UintToAddressMap private myMap;
* }
* ```
*
* As of v3.0.0, only maps of type `uint256 -> address` (`UintToAddressMap`) are
* supported.
*/
library EnumerableMap {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Map type with
// bytes32 keys and values.
// The Map implementation uses private functions, and user-facing
// implementations (such as Uint256ToAddressMap) are just wrappers around
// the underlying Map.
// This means that we can only create new EnumerableMaps for types that fit
// in bytes32.
struct MapEntry {
bytes32 _key;
bytes32 _value;
}
struct Map {
// Storage of map keys and values
MapEntry[] _entries;
// Position of the entry defined by a key in the `entries` array, plus 1
// because index 0 means a key is not in the map.
mapping (bytes32 => uint256) _indexes;
}
/**
* @dev Adds a key-value pair to a map, or updates the value for an existing
* key. O(1).
*
* Returns true if the key was added to the map, that is if it was not
* already present.
*/
function _set(Map storage map, bytes32 key, bytes32 value) private returns (bool) {
// We read and store the key's index to prevent multiple reads from the same storage slot
uint256 keyIndex = map._indexes[key];
if (keyIndex == 0) { // Equivalent to !contains(map, key)
map._entries.push(MapEntry({ _key: key, _value: value }));
// The entry is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
map._indexes[key] = map._entries.length;
return true;
} else {
map._entries[keyIndex - 1]._value = value;
return false;
}
}
/**
* @dev Removes a key-value pair from a map. O(1).
*
* Returns true if the key was removed from the map, that is if it was present.
*/
function _remove(Map storage map, bytes32 key) private returns (bool) {
// We read and store the key's index to prevent multiple reads from the same storage slot
uint256 keyIndex = map._indexes[key];
if (keyIndex != 0) { // Equivalent to contains(map, key)
// To delete a key-value pair from the _entries array in O(1), we swap the entry to delete with the last one
// in the array, and then remove the last entry (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 toDeleteIndex = keyIndex - 1;
uint256 lastIndex = map._entries.length - 1;
// When the entry to delete is the last one, the swap operation is unnecessary. However, since this occurs
// so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.
MapEntry storage lastEntry = map._entries[lastIndex];
// Move the last entry to the index where the entry to delete is
map._entries[toDeleteIndex] = lastEntry;
// Update the index for the moved entry
map._indexes[lastEntry._key] = toDeleteIndex + 1; // All indexes are 1-based
// Delete the slot where the moved entry was stored
map._entries.pop();
// Delete the index for the deleted slot
delete map._indexes[key];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the key is in the map. O(1).
*/
function _contains(Map storage map, bytes32 key) private view returns (bool) {
return map._indexes[key] != 0;
}
/**
* @dev Returns the number of key-value pairs in the map. O(1).
*/
function _length(Map storage map) private view returns (uint256) {
return map._entries.length;
}
/**
* @dev Returns the key-value pair stored at position `index` in the map. O(1).
*
* Note that there are no guarantees on the ordering of entries inside the
* array, and it may change when more entries are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Map storage map, uint256 index) private view returns (bytes32, bytes32) {
require(map._entries.length > index, "EnumerableMap: index out of bounds");
MapEntry storage entry = map._entries[index];
return (entry._key, entry._value);
}
/**
* @dev Tries to returns the value associated with `key`. O(1).
* Does not revert if `key` is not in the map.
*/
function _tryGet(Map storage map, bytes32 key) private view returns (bool, bytes32) {
uint256 keyIndex = map._indexes[key];
if (keyIndex == 0) return (false, 0); // Equivalent to contains(map, key)
return (true, map._entries[keyIndex - 1]._value); // All indexes are 1-based
}
/**
* @dev Returns the value associated with `key`. O(1).
*
* Requirements:
*
* - `key` must be in the map.
*/
function _get(Map storage map, bytes32 key) private view returns (bytes32) {
uint256 keyIndex = map._indexes[key];
require(keyIndex != 0, "EnumerableMap: nonexistent key"); // Equivalent to contains(map, key)
return map._entries[keyIndex - 1]._value; // All indexes are 1-based
}
/**
* @dev Same as {_get}, with a custom error message when `key` is not in the map.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {_tryGet}.
*/
function _get(Map storage map, bytes32 key, string memory errorMessage) private view returns (bytes32) {
uint256 keyIndex = map._indexes[key];
require(keyIndex != 0, errorMessage); // Equivalent to contains(map, key)
return map._entries[keyIndex - 1]._value; // All indexes are 1-based
}
// UintToAddressMap
struct UintToAddressMap {
Map _inner;
}
/**
* @dev Adds a key-value pair to a map, or updates the value for an existing
* key. O(1).
*
* Returns true if the key was added to the map, that is if it was not
* already present.
*/
function set(UintToAddressMap storage map, uint256 key, address value) internal returns (bool) {
return _set(map._inner, bytes32(key), bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the key was removed from the map, that is if it was present.
*/
function remove(UintToAddressMap storage map, uint256 key) internal returns (bool) {
return _remove(map._inner, bytes32(key));
}
/**
* @dev Returns true if the key is in the map. O(1).
*/
function contains(UintToAddressMap storage map, uint256 key) internal view returns (bool) {
return _contains(map._inner, bytes32(key));
}
/**
* @dev Returns the number of elements in the map. O(1).
*/
function length(UintToAddressMap storage map) internal view returns (uint256) {
return _length(map._inner);
}
/**
* @dev Returns the element stored at position `index` in the set. O(1).
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintToAddressMap storage map, uint256 index) internal view returns (uint256, address) {
(bytes32 key, bytes32 value) = _at(map._inner, index);
return (uint256(key), address(uint160(uint256(value))));
}
/**
* @dev Tries to returns the value associated with `key`. O(1).
* Does not revert if `key` is not in the map.
*
* _Available since v3.4._
*/
function tryGet(UintToAddressMap storage map, uint256 key) internal view returns (bool, address) {
(bool success, bytes32 value) = _tryGet(map._inner, bytes32(key));
return (success, address(uint160(uint256(value))));
}
/**
* @dev Returns the value associated with `key`. O(1).
*
* Requirements:
*
* - `key` must be in the map.
*/
function get(UintToAddressMap storage map, uint256 key) internal view returns (address) {
return address(uint160(uint256(_get(map._inner, bytes32(key)))));
}
/**
* @dev Same as {get}, with a custom error message when `key` is not in the map.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryGet}.
*/
function get(UintToAddressMap storage map, uint256 key, string memory errorMessage) internal view returns (address) {
return address(uint160(uint256(_get(map._inner, bytes32(key), errorMessage))));
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev String operations.
*/
library Strings {
/**
* @dev Converts a `uint256` to its ASCII `string` representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
uint256 index = digits - 1;
temp = value;
while (temp != 0) {
buffer[index--] = bytes1(uint8(48 + temp % 10));
temp /= 10;
}
return string(buffer);
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
*
* These functions can be used to verify that a message was signed by the holder
* of the private keys of a given address.
*/
library ECDSA {
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature`. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*/
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
// Check the signature length
if (signature.length != 65) {
revert("ECDSA: invalid signature length");
}
// Divide the signature in r, s and v variables
bytes32 r;
bytes32 s;
uint8 v;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
// solhint-disable-next-line no-inline-assembly
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
return recover(hash, v, r, s);
}
/**
* @dev Overload of {ECDSA-recover-bytes32-bytes-} that receives the `v`,
* `r` and `s` signature fields separately.
*/
function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
require(uint256(s) <= 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0, "ECDSA: invalid signature 's' value");
require(v == 27 || v == 28, "ECDSA: invalid signature 'v' value");
// If the signature is valid (and not malleable), return the signer address
address signer = ecrecover(hash, v, r, s);
require(signer != address(0), "ECDSA: invalid signature");
return signer;
}
/**
* @dev Returns an Ethereum Signed Message, created from a `hash`. This
* replicates the behavior of the
* https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign[`eth_sign`]
* JSON-RPC method.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
// 32 is the length in bytes of hash,
// enforced by the type signature above
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
import "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev 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.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for
* deploying minimal proxy contracts, also known as "clones".
*
* > To simply and cheaply clone contract functionality in an immutable way, this standard specifies
* > a minimal bytecode implementation that delegates all calls to a known, fixed address.
*
* The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`
* (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the
* deterministic method.
*
* _Available since v3.4._
*/
library Clones {
/**
* @dev Deploys and returns the address of a clone that mimics the behaviour of `master`.
*
* This function uses the create opcode, which should never revert.
*/
function clone(address master) internal returns (address instance) {
// solhint-disable-next-line no-inline-assembly
assembly {
let ptr := mload(0x40)
mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(ptr, 0x14), shl(0x60, master))
mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
instance := create(0, ptr, 0x37)
}
require(instance != address(0), "ERC1167: create failed");
}
/**
* @dev Deploys and returns the address of a clone that mimics the behaviour of `master`.
*
* This function uses the create2 opcode and a `salt` to deterministically deploy
* the clone. Using the same `master` and `salt` multiple time will revert, since
* the clones cannot be deployed twice at the same address.
*/
function cloneDeterministic(address master, bytes32 salt) internal returns (address instance) {
// solhint-disable-next-line no-inline-assembly
assembly {
let ptr := mload(0x40)
mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(ptr, 0x14), shl(0x60, master))
mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
instance := create2(0, ptr, 0x37, salt)
}
require(instance != address(0), "ERC1167: create2 failed");
}
/**
* @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
*/
function predictDeterministicAddress(address master, bytes32 salt, address deployer) internal pure returns (address predicted) {
// solhint-disable-next-line no-inline-assembly
assembly {
let ptr := mload(0x40)
mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(ptr, 0x14), shl(0x60, master))
mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)
mstore(add(ptr, 0x38), shl(0x60, deployer))
mstore(add(ptr, 0x4c), salt)
mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))
predicted := keccak256(add(ptr, 0x37), 0x55)
}
}
/**
* @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
*/
function predictDeterministicAddress(address master, bytes32 salt) internal view returns (address predicted) {
return predictDeterministicAddress(master, salt, address(this));
}
}// SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
interface IPowerSwitch {
/* admin events */
event PowerOn();
event PowerOff();
event EmergencyShutdown();
/* data types */
enum State {Online, Offline, Shutdown}
/* admin functions */
function powerOn() external;
function powerOff() external;
function emergencyShutdown() external;
/* view functions */
function isOnline() external view returns (bool status);
function isOffline() external view returns (bool status);
function isShutdown() external view returns (bool status);
function getStatus() external view returns (State status);
function getPowerController() external view returns (address controller);
}
/// @title PowerSwitch
/// @notice Standalone pausing and emergency stop functionality
contract PowerSwitch is IPowerSwitch, Ownable {
/* storage */
IPowerSwitch.State private _status;
/* initializer */
constructor(address owner) {
// sanity check owner
require(owner != address(0), "PowerSwitch: invalid owner");
// transfer ownership
Ownable.transferOwnership(owner);
}
/* admin functions */
/// @notice Turn Power On
/// access control: only admin
/// state machine: only when offline
/// state scope: only modify _status
/// token transfer: none
function powerOn() external override onlyOwner {
require(_status == IPowerSwitch.State.Offline, "PowerSwitch: cannot power on");
_status = IPowerSwitch.State.Online;
emit PowerOn();
}
/// @notice Turn Power Off
/// access control: only admin
/// state machine: only when online
/// state scope: only modify _status
/// token transfer: none
function powerOff() external override onlyOwner {
require(_status == IPowerSwitch.State.Online, "PowerSwitch: cannot power off");
_status = IPowerSwitch.State.Offline;
emit PowerOff();
}
/// @notice Shutdown Permanently
/// access control: only admin
/// state machine:
/// - when online or offline
/// - can only be called once
/// state scope: only modify _status
/// token transfer: none
function emergencyShutdown() external override onlyOwner {
require(_status != IPowerSwitch.State.Shutdown, "PowerSwitch: cannot shutdown");
_status = IPowerSwitch.State.Shutdown;
emit EmergencyShutdown();
}
/* getter functions */
function isOnline() external view override returns (bool status) {
return _status == State.Online;
}
function isOffline() external view override returns (bool status) {
return _status == State.Offline;
}
function isShutdown() external view override returns (bool status) {
return _status == State.Shutdown;
}
function getStatus() external view override returns (IPowerSwitch.State status) {
return _status;
}
function getPowerController() external view override returns (address controller) {
return Ownable.owner();
}
}{
"evmVersion": "istanbul",
"optimizer": {
"enabled": true,
"runs": 1000
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"abi"
]
}
},
"libraries": {}
}[{"inputs":[{"internalType":"address","name":"adminAddress","type":"address"},{"internalType":"address","name":"rewardPoolFactory","type":"address"},{"internalType":"address","name":"powerSwitchFactory","type":"address"},{"internalType":"address","name":"rewardTokenAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":true,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminshipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"rewardPool","type":"address"},{"indexed":false,"internalType":"address","name":"powerSwitch","type":"address"}],"name":"ArbiStakerERC20Created","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ArbiStakerERC20Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"token","type":"address"}],"name":"BonusTokenRegistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"token","type":"address"}],"name":"BonusTokenRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"vault","type":"address"}],"name":"RageQuit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"string","name":"name","type":"string"},{"indexed":true,"internalType":"address","name":"template","type":"address"}],"name":"RewardCalcTemplateActive","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"string","name":"name","type":"string"},{"indexed":true,"internalType":"address","name":"template","type":"address"}],"name":"RewardCalcTemplateAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"vaultFactory","type":"address"},{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RewardClaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"vault","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Staked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"vault","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Unstaked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"factory","type":"address"}],"name":"VaultFactoryRegistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"factory","type":"address"}],"name":"VaultFactoryRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"VestedRewardClaimed","type":"event"},{"inputs":[],"name":"EARLY_ADOPTER","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"EARLY_ADOPTER_LM_REWARD_MULTIPLIER_DENOM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"EARLY_ADOPTER_LM_REWARD_MULTIPLIER_NUM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"INNOVATOR","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"INNOVATOR_LM_REWARD_MULTIPLIER_DENOM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"INNOVATOR_LM_REWARD_MULTIPLIER_NUM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LM_REWARD_VESTING_PERIOD","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LM_REWARD_VESTING_PORTION_DENOM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"LM_REWARD_VESTING_PORTION_NUM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_BONUS_TOKENS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_TOKENS_STAKED_PER_VAULT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PIONNER","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PIONNER_LM_REWARD_MULTIPLIER_DENOM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PIONNER_LM_REWARD_MULTIPLIER_NUM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRECURSOR","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRECURSOR_LM_REWARD_MULTIPLIER_DENOM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRECURSOR_LM_REWARD_MULTIPLIER_NUM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"STANDARD","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"STANDARD_LM_REWARD_MULTIPLIER_DENOM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"STANDARD_LM_REWARD_MULTIPLIER_NUM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"activeRewardCalcTemplate","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"lmToken","type":"address"},{"internalType":"address","name":"bonusToken","type":"address"},{"internalType":"uint256","name":"bonusTokenAmount","type":"uint256"}],"name":"addBonusTokenToLMRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"address","name":"template","type":"address"}],"name":"addRewardCalcTemplate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"numVests","type":"uint256"}],"name":"claimVestedReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimVestedRewardAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"claimVestedRewardToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"earnedLMRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"bool","name":"removeBonusTokenData","type":"bool"}],"name":"endLMRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"fund","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getBonusTokenAtIndex","outputs":[{"internalType":"address","name":"bonusToken","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getBonusTokenSetLength","outputs":[{"internalType":"uint256","name":"length","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getLMRewardBonusTokenAt","outputs":[{"internalType":"address","name":"bonusToken","type":"address"},{"internalType":"uint256","name":"bonusTokenAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getLMRewardBonusTokensLength","outputs":[{"internalType":"uint256","name":"length","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getLMRewardData","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"duration","type":"uint256"},{"internalType":"uint256","name":"startedAt","type":"uint256"},{"internalType":"address","name":"rewardCalcInstance","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getLMRewardVestingData","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"startedAt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"nftId","type":"uint256"},{"internalType":"address","name":"nftFactory","type":"address"}],"name":"getNftTier","outputs":[{"internalType":"string","name":"tier","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"nftFactory","type":"address"}],"name":"getNftsOfOwner","outputs":[{"internalType":"uint256[]","name":"nftIds","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumRewardCalcTemplates","outputs":[{"internalType":"uint256","name":"num","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumTokensStaked","outputs":[{"internalType":"uint256","name":"num","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"}],"name":"getNumTokensStakedInVault","outputs":[{"internalType":"uint256","name":"num","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumVaults","outputs":[{"internalType":"uint256","name":"num","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getNumVestingLMTokenRewards","outputs":[{"internalType":"uint256","name":"num","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"getNumVests","outputs":[{"internalType":"uint256","name":"num","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPowerController","outputs":[{"internalType":"address","name":"controller","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPowerSwitch","outputs":[{"internalType":"address","name":"powerSwitch","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getTokenStakedAt","outputs":[{"internalType":"address","name":"token","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getVaultAt","outputs":[{"internalType":"address","name":"vault","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getVaultFactoryAtIndex","outputs":[{"internalType":"address","name":"factory","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getVaultFactorySetLength","outputs":[{"internalType":"uint256","name":"length","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getVaultTokenAtIndex","outputs":[{"internalType":"address","name":"vaultToken","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"getVaultTokenStake","outputs":[{"internalType":"uint256","name":"tokenStake","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getVestingLMTokenAt","outputs":[{"internalType":"address","name":"token","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isOffline","outputs":[{"internalType":"bool","name":"status","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isOnline","outputs":[{"internalType":"bool","name":"status","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isShutdown","outputs":[{"internalType":"bool","name":"status","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"isValidAddress","outputs":[{"internalType":"bool","name":"validity","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"address","name":"factory","type":"address"}],"name":"isValidVault","outputs":[{"internalType":"bool","name":"validity","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rageQuit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"bonusToken","type":"address"}],"name":"registerBonusToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"factory","type":"address"}],"name":"registerVaultFactory","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"bonusToken","type":"address"}],"name":"removeBonusToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"factory","type":"address"}],"name":"removeVaultFactory","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceAdminship","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"rescueTokensFromRewardPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"rewardCalcTemplateNames","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"","type":"string"}],"name":"rewardCalcTemplates","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardPool","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"numerator","type":"uint256"},{"internalType":"uint256","name":"denominator","type":"uint256"}],"name":"setEarlyAdopterLMRewardMultiplier","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"newImplementor","type":"address"}],"name":"setImplementorForRewardsCalculator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numerator","type":"uint256"},{"internalType":"uint256","name":"denominator","type":"uint256"}],"name":"setInnovatorLMRewardMultiplier","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setLMRewardVestingPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numerator","type":"uint256"},{"internalType":"uint256","name":"denominator","type":"uint256"}],"name":"setLMRewardVestingPortion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setLMRewardsPerBlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setMaxBonusTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setMaxStakesPerVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numerator","type":"uint256"},{"internalType":"uint256","name":"denominator","type":"uint256"}],"name":"setPionnerLMRewardMultiplier","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numerator","type":"uint256"},{"internalType":"uint256","name":"denominator","type":"uint256"}],"name":"setPrecursorLMRewardMultiplier","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"name","type":"string"}],"name":"setRewardCalcActiveTemplate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"numerator","type":"uint256"},{"internalType":"uint256","name":"denominator","type":"uint256"}],"name":"setStandardLMRewardMultiplier","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"address","name":"vaultFactory","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"permission","type":"bytes"}],"name":"stakeERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"stakedTokenTotal","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"startLMRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"duration","type":"uint256"},{"internalType":"string","name":"rewardCalcTemplateName","type":"string"}],"name":"startLMRewardsToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"transferAdminship","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"address","name":"vaultFactory","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bool","name":"claimBonusReward","type":"bool"},{"internalType":"bytes","name":"permission","type":"bytes"}],"name":"unstakeERC20AndClaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"vestingLMRewards","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"startedAt","type":"uint256"}],"stateMutability":"view","type":"function"}]Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000001d427f8f08cd8b40bf07f58f11acf39cf45504b0000000000000000000000000b3fc56f85ccd4d1be21a2ef01a1b7ddbe1f72664000000000000000000000000ea14fab219e02e1aaaefb521a3e1235aff5a7d2b000000000000000000000000eb6f8eebc83d85120f9299b84da558825685570e
-----Decoded View---------------
Arg [0] : adminAddress (address): 0x1d427f8f08cd8b40bf07f58f11acf39cf45504b0
Arg [1] : rewardPoolFactory (address): 0xb3fc56f85ccd4d1be21a2ef01a1b7ddbe1f72664
Arg [2] : powerSwitchFactory (address): 0xea14fab219e02e1aaaefb521a3e1235aff5a7d2b
Arg [3] : rewardTokenAddress (address): 0xeb6f8eebc83d85120f9299b84da558825685570e
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000001d427f8f08cd8b40bf07f58f11acf39cf45504b0
Arg [1] : 000000000000000000000000b3fc56f85ccd4d1be21a2ef01a1b7ddbe1f72664
Arg [2] : 000000000000000000000000ea14fab219e02e1aaaefb521a3e1235aff5a7d2b
Arg [3] : 000000000000000000000000eb6f8eebc83d85120f9299b84da558825685570e
| Age | Block | Fee Address | BC Fee Address | Voting Power | Jailed | Incoming |
|---|
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