// File: contracts/@jarvis-network/uma-core/contracts/financial-templates/common/MintableBurnableSyntheticToken.sol



// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.6.0;
import '../../common/implementation/MintableBurnableERC20.sol';
import '../../common/implementation/Lockable.sol';

contract MintableBurnableSyntheticToken is MintableBurnableERC20, Lockable {
  constructor(
    string memory tokenName,
    string memory tokenSymbol,
    uint8 tokenDecimals
  )
    public
    MintableBurnableERC20(tokenName, tokenSymbol, tokenDecimals)
    nonReentrant()
  {}

  function addMinter(address account) public override nonReentrant() {
    super.addMinter(account);
  }

  function addBurner(address account) public override nonReentrant() {
    super.addBurner(account);
  }

  function addAdmin(address account) public override nonReentrant() {
    super.addAdmin(account);
  }

  function addAdminAndMinterAndBurner(address account)
    public
    override
    nonReentrant()
  {
    super.addAdminAndMinterAndBurner(account);
  }

  function renounceMinter() public override nonReentrant() {
    super.renounceMinter();
  }

  function renounceBurner() public override nonReentrant() {
    super.renounceBurner();
  }

  function renounceAdmin() public override nonReentrant() {
    super.renounceAdmin();
  }

  function renounceAdminAndMinterAndBurner() public override nonReentrant() {
    super.renounceAdminAndMinterAndBurner();
  }

  function isMinter(address account)
    public
    view
    nonReentrantView()
    returns (bool)
  {
    return hasRole(MINTER_ROLE, account);
  }

  function isBurner(address account)
    public
    view
    nonReentrantView()
    returns (bool)
  {
    return hasRole(BURNER_ROLE, account);
  }

  function isAdmin(address account)
    public
    view
    nonReentrantView()
    returns (bool)
  {
    return hasRole(DEFAULT_ADMIN_ROLE, account);
  }

  function getAdminMembers() external view returns (address[] memory) {
    uint256 numberOfMembers = getRoleMemberCount(DEFAULT_ADMIN_ROLE);
    address[] memory members = new address[](numberOfMembers);
    for (uint256 j = 0; j < numberOfMembers; j++) {
      address newMember = getRoleMember(DEFAULT_ADMIN_ROLE, j);
      members[j] = newMember;
    }
    return members;
  }

  function getMinterMembers() external view returns (address[] memory) {
    uint256 numberOfMembers = getRoleMemberCount(MINTER_ROLE);
    address[] memory members = new address[](numberOfMembers);
    for (uint256 j = 0; j < numberOfMembers; j++) {
      address newMember = getRoleMember(MINTER_ROLE, j);
      members[j] = newMember;
    }
    return members;
  }

  function getBurnerMembers() external view returns (address[] memory) {
    uint256 numberOfMembers = getRoleMemberCount(BURNER_ROLE);
    address[] memory members = new address[](numberOfMembers);
    for (uint256 j = 0; j < numberOfMembers; j++) {
      address newMember = getRoleMember(BURNER_ROLE, j);
      members[j] = newMember;
    }
    return members;
  }
}

// File: contracts/@jarvis-network/uma-core/contracts/common/implementation/MintableBurnableERC20.sol



// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.6.0;

import '../../../../../@openzeppelin/contracts/token/ERC20/ERC20.sol';
import '../../../../../@openzeppelin/contracts/access/AccessControl.sol';
import '../interfaces/MintableBurnableIERC20.sol';

contract MintableBurnableERC20 is ERC20, MintableBurnableIERC20, AccessControl {
  bytes32 public constant MINTER_ROLE = keccak256('Minter');

  bytes32 public constant BURNER_ROLE = keccak256('Burner');

  modifier onlyMinter() {
    require(hasRole(MINTER_ROLE, msg.sender), 'Sender must be the minter');
    _;
  }

  modifier onlyBurner() {
    require(hasRole(BURNER_ROLE, msg.sender), 'Sender must be the burner');
    _;
  }

  constructor(
    string memory _tokenName,
    string memory _tokenSymbol,
    uint8 _tokenDecimals
  ) public ERC20(_tokenName, _tokenSymbol) {
    _setupDecimals(_tokenDecimals);
    _setRoleAdmin(DEFAULT_ADMIN_ROLE, DEFAULT_ADMIN_ROLE);
    _setRoleAdmin(MINTER_ROLE, DEFAULT_ADMIN_ROLE);
    _setRoleAdmin(BURNER_ROLE, DEFAULT_ADMIN_ROLE);
    _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
  }

  function mint(address recipient, uint256 value)
    external
    override
    onlyMinter()
    returns (bool)
  {
    _mint(recipient, value);
    return true;
  }

  function burn(uint256 value) external override onlyBurner() {
    _burn(msg.sender, value);
  }

  function addMinter(address account) public virtual override {
    grantRole(MINTER_ROLE, account);
  }

  function addBurner(address account) public virtual override {
    grantRole(BURNER_ROLE, account);
  }

  function addAdmin(address account) public virtual override {
    grantRole(DEFAULT_ADMIN_ROLE, account);
  }

  function addAdminAndMinterAndBurner(address account) public virtual override {
    grantRole(DEFAULT_ADMIN_ROLE, account);
    grantRole(MINTER_ROLE, account);
    grantRole(BURNER_ROLE, account);
  }

  function renounceMinter() public virtual override {
    renounceRole(MINTER_ROLE, msg.sender);
  }

  function renounceBurner() public virtual override {
    renounceRole(BURNER_ROLE, msg.sender);
  }

  function renounceAdmin() public virtual override {
    renounceRole(DEFAULT_ADMIN_ROLE, msg.sender);
  }

  function renounceAdminAndMinterAndBurner() public virtual override {
    renounceRole(DEFAULT_ADMIN_ROLE, msg.sender);
    renounceRole(MINTER_ROLE, msg.sender);
    renounceRole(BURNER_ROLE, msg.sender);
  }
}

// File: contracts/@jarvis-network/uma-core/contracts/common/implementation/Lockable.sol



// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.6.0;

contract Lockable {
  bool private _notEntered;

  constructor() internal {
    _notEntered = true;
  }

  modifier nonReentrant() {
    _preEntranceCheck();
    _preEntranceSet();
    _;
    _postEntranceReset();
  }

  modifier nonReentrantView() {
    _preEntranceCheck();
    _;
  }

  function _preEntranceCheck() internal view {
    require(_notEntered, 'ReentrancyGuard: reentrant call');
  }

  function _preEntranceSet() internal {
    _notEntered = false;
  }

  function _postEntranceReset() internal {
    _notEntered = true;
  }
}

// File: contracts/@openzeppelin/contracts/token/ERC20/ERC20.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;

import '../../GSN/Context.sol';
import './IERC20.sol';
import '../../math/SafeMath.sol';

contract ERC20 is Context, IERC20 {
  using SafeMath for uint256;

  mapping(address => uint256) private _balances;

  mapping(address => mapping(address => uint256)) private _allowances;

  uint256 private _totalSupply;

  string private _name;
  string private _symbol;
  uint8 private _decimals;

  constructor(string memory name_, string memory symbol_) public {
    _name = name_;
    _symbol = symbol_;
    _decimals = 18;
  }

  function name() public view returns (string memory) {
    return _name;
  }

  function symbol() public view returns (string memory) {
    return _symbol;
  }

  function decimals() public view returns (uint8) {
    return _decimals;
  }

  function totalSupply() public view override returns (uint256) {
    return _totalSupply;
  }

  function balanceOf(address account) public view override returns (uint256) {
    return _balances[account];
  }

  function transfer(address recipient, uint256 amount)
    public
    virtual
    override
    returns (bool)
  {
    _transfer(_msgSender(), recipient, amount);
    return true;
  }

  function allowance(address owner, address spender)
    public
    view
    virtual
    override
    returns (uint256)
  {
    return _allowances[owner][spender];
  }

  function approve(address spender, uint256 amount)
    public
    virtual
    override
    returns (bool)
  {
    _approve(_msgSender(), spender, amount);
    return true;
  }

  function transferFrom(
    address sender,
    address recipient,
    uint256 amount
  ) public virtual override returns (bool) {
    _transfer(sender, recipient, amount);
    _approve(
      sender,
      _msgSender(),
      _allowances[sender][_msgSender()].sub(
        amount,
        'ERC20: transfer amount exceeds allowance'
      )
    );
    return true;
  }

  function increaseAllowance(address spender, uint256 addedValue)
    public
    virtual
    returns (bool)
  {
    _approve(
      _msgSender(),
      spender,
      _allowances[_msgSender()][spender].add(addedValue)
    );
    return true;
  }

  function decreaseAllowance(address spender, uint256 subtractedValue)
    public
    virtual
    returns (bool)
  {
    _approve(
      _msgSender(),
      spender,
      _allowances[_msgSender()][spender].sub(
        subtractedValue,
        'ERC20: decreased allowance below zero'
      )
    );
    return true;
  }

  function _transfer(
    address sender,
    address recipient,
    uint256 amount
  ) internal virtual {
    require(sender != address(0), 'ERC20: transfer from the zero address');
    require(recipient != address(0), 'ERC20: transfer to the zero address');

    _beforeTokenTransfer(sender, recipient, amount);

    _balances[sender] = _balances[sender].sub(
      amount,
      'ERC20: transfer amount exceeds balance'
    );
    _balances[recipient] = _balances[recipient].add(amount);
    emit Transfer(sender, recipient, amount);
  }

  function _mint(address account, uint256 amount) internal virtual {
    require(account != address(0), 'ERC20: mint to the zero address');

    _beforeTokenTransfer(address(0), account, amount);

    _totalSupply = _totalSupply.add(amount);
    _balances[account] = _balances[account].add(amount);
    emit Transfer(address(0), account, amount);
  }

  function _burn(address account, uint256 amount) internal virtual {
    require(account != address(0), 'ERC20: burn from the zero address');

    _beforeTokenTransfer(account, address(0), amount);

    _balances[account] = _balances[account].sub(
      amount,
      'ERC20: burn amount exceeds balance'
    );
    _totalSupply = _totalSupply.sub(amount);
    emit Transfer(account, address(0), amount);
  }

  function _approve(
    address owner,
    address spender,
    uint256 amount
  ) internal virtual {
    require(owner != address(0), 'ERC20: approve from the zero address');
    require(spender != address(0), 'ERC20: approve to the zero address');

    _allowances[owner][spender] = amount;
    emit Approval(owner, spender, amount);
  }

  function _setupDecimals(uint8 decimals_) internal {
    _decimals = decimals_;
  }

  function _beforeTokenTransfer(
    address from,
    address to,
    uint256 amount
  ) internal virtual {}
}

// File: contracts/@openzeppelin/contracts/access/AccessControl.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;

import '../utils/EnumerableSet.sol';
import '../utils/Address.sol';
import '../GSN/Context.sol';

abstract contract AccessControl is Context {
  using EnumerableSet for EnumerableSet.AddressSet;
  using Address for address;

  struct RoleData {
    EnumerableSet.AddressSet members;
    bytes32 adminRole;
  }

  mapping(bytes32 => RoleData) private _roles;

  bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

  event RoleAdminChanged(
    bytes32 indexed role,
    bytes32 indexed previousAdminRole,
    bytes32 indexed newAdminRole
  );

  event RoleGranted(
    bytes32 indexed role,
    address indexed account,
    address indexed sender
  );

  event RoleRevoked(
    bytes32 indexed role,
    address indexed account,
    address indexed sender
  );

  function hasRole(bytes32 role, address account) public view returns (bool) {
    return _roles[role].members.contains(account);
  }

  function getRoleMemberCount(bytes32 role) public view returns (uint256) {
    return _roles[role].members.length();
  }

  function getRoleMember(bytes32 role, uint256 index)
    public
    view
    returns (address)
  {
    return _roles[role].members.at(index);
  }

  function getRoleAdmin(bytes32 role) public view returns (bytes32) {
    return _roles[role].adminRole;
  }

  function grantRole(bytes32 role, address account) public virtual {
    require(
      hasRole(_roles[role].adminRole, _msgSender()),
      'AccessControl: sender must be an admin to grant'
    );

    _grantRole(role, account);
  }

  function revokeRole(bytes32 role, address account) public virtual {
    require(
      hasRole(_roles[role].adminRole, _msgSender()),
      'AccessControl: sender must be an admin to revoke'
    );

    _revokeRole(role, account);
  }

  function renounceRole(bytes32 role, address account) public virtual {
    require(
      account == _msgSender(),
      'AccessControl: can only renounce roles for self'
    );

    _revokeRole(role, account);
  }

  function _setupRole(bytes32 role, address account) internal virtual {
    _grantRole(role, account);
  }

  function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
    emit RoleAdminChanged(role, _roles[role].adminRole, adminRole);
    _roles[role].adminRole = adminRole;
  }

  function _grantRole(bytes32 role, address account) private {
    if (_roles[role].members.add(account)) {
      emit RoleGranted(role, account, _msgSender());
    }
  }

  function _revokeRole(bytes32 role, address account) private {
    if (_roles[role].members.remove(account)) {
      emit RoleRevoked(role, account, _msgSender());
    }
  }
}

// File: contracts/@jarvis-network/uma-core/contracts/common/interfaces/MintableBurnableIERC20.sol



// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity ^0.6.0;

import '../../../../../@openzeppelin/contracts/token/ERC20/ERC20.sol';

abstract contract MintableBurnableIERC20 is ERC20 {
  function burn(uint256 value) external virtual;

  function mint(address to, uint256 value) external virtual returns (bool);

  function addMinter(address account) external virtual;

  function addBurner(address account) external virtual;

  function addAdmin(address account) external virtual;

  function addAdminAndMinterAndBurner(address account) external virtual;

  function renounceMinter() external virtual;

  function renounceBurner() external virtual;

  function renounceAdmin() external virtual;

  function renounceAdminAndMinterAndBurner() external virtual;
}

// File: contracts/@openzeppelin/contracts/GSN/Context.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;

abstract contract Context {
  function _msgSender() internal view virtual returns (address payable) {
    return msg.sender;
  }

  function _msgData() internal view virtual returns (bytes memory) {
    this;
    return msg.data;
  }
}

// File: contracts/@openzeppelin/contracts/token/ERC20/IERC20.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;

interface IERC20 {
  function totalSupply() external view returns (uint256);

  function balanceOf(address account) external view returns (uint256);

  function transfer(address recipient, uint256 amount) external returns (bool);

  function allowance(address owner, address spender)
    external
    view
    returns (uint256);

  function approve(address spender, uint256 amount) external returns (bool);

  function transferFrom(
    address sender,
    address recipient,
    uint256 amount
  ) external returns (bool);

  event Transfer(address indexed from, address indexed to, uint256 value);

  event Approval(address indexed owner, address indexed spender, uint256 value);
}

// File: contracts/@openzeppelin/contracts/math/SafeMath.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;

library SafeMath {
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    require(c >= a, 'SafeMath: addition overflow');

    return c;
  }

  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    return sub(a, b, 'SafeMath: subtraction overflow');
  }

  function sub(
    uint256 a,
    uint256 b,
    string memory errorMessage
  ) internal pure returns (uint256) {
    require(b <= a, errorMessage);
    uint256 c = a - b;

    return c;
  }

  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;
  }

  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    return div(a, b, 'SafeMath: division by zero');
  }

  function div(
    uint256 a,
    uint256 b,
    string memory errorMessage
  ) internal pure returns (uint256) {
    require(b > 0, errorMessage);
    uint256 c = a / b;

    return c;
  }

  function mod(uint256 a, uint256 b) internal pure returns (uint256) {
    return mod(a, b, 'SafeMath: modulo by zero');
  }

  function mod(
    uint256 a,
    uint256 b,
    string memory errorMessage
  ) internal pure returns (uint256) {
    require(b != 0, errorMessage);
    return a % b;
  }
}

// File: contracts/@openzeppelin/contracts/utils/EnumerableSet.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;

library EnumerableSet {
  struct Set {
    bytes32[] _values;
    mapping(bytes32 => uint256) _indexes;
  }

  function _add(Set storage set, bytes32 value) private returns (bool) {
    if (!_contains(set, value)) {
      set._values.push(value);

      set._indexes[value] = set._values.length;
      return true;
    } else {
      return false;
    }
  }

  function _remove(Set storage set, bytes32 value) private returns (bool) {
    uint256 valueIndex = set._indexes[value];

    if (valueIndex != 0) {
      uint256 toDeleteIndex = valueIndex - 1;
      uint256 lastIndex = set._values.length - 1;

      bytes32 lastvalue = set._values[lastIndex];

      set._values[toDeleteIndex] = lastvalue;

      set._indexes[lastvalue] = toDeleteIndex + 1;

      set._values.pop();

      delete set._indexes[value];

      return true;
    } else {
      return false;
    }
  }

  function _contains(Set storage set, bytes32 value)
    private
    view
    returns (bool)
  {
    return set._indexes[value] != 0;
  }

  function _length(Set storage set) private view returns (uint256) {
    return set._values.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];
  }

  struct Bytes32Set {
    Set _inner;
  }

  function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
    return _add(set._inner, value);
  }

  function remove(Bytes32Set storage set, bytes32 value)
    internal
    returns (bool)
  {
    return _remove(set._inner, value);
  }

  function contains(Bytes32Set storage set, bytes32 value)
    internal
    view
    returns (bool)
  {
    return _contains(set._inner, value);
  }

  function length(Bytes32Set storage set) internal view returns (uint256) {
    return _length(set._inner);
  }

  function at(Bytes32Set storage set, uint256 index)
    internal
    view
    returns (bytes32)
  {
    return _at(set._inner, index);
  }

  struct AddressSet {
    Set _inner;
  }

  function add(AddressSet storage set, address value) internal returns (bool) {
    return _add(set._inner, bytes32(uint256(value)));
  }

  function remove(AddressSet storage set, address value)
    internal
    returns (bool)
  {
    return _remove(set._inner, bytes32(uint256(value)));
  }

  function contains(AddressSet storage set, address value)
    internal
    view
    returns (bool)
  {
    return _contains(set._inner, bytes32(uint256(value)));
  }

  function length(AddressSet storage set) internal view returns (uint256) {
    return _length(set._inner);
  }

  function at(AddressSet storage set, uint256 index)
    internal
    view
    returns (address)
  {
    return address(uint256(_at(set._inner, index)));
  }

  struct UintSet {
    Set _inner;
  }

  function add(UintSet storage set, uint256 value) internal returns (bool) {
    return _add(set._inner, bytes32(value));
  }

  function remove(UintSet storage set, uint256 value) internal returns (bool) {
    return _remove(set._inner, bytes32(value));
  }

  function contains(UintSet storage set, uint256 value)
    internal
    view
    returns (bool)
  {
    return _contains(set._inner, bytes32(value));
  }

  function length(UintSet storage set) internal view returns (uint256) {
    return _length(set._inner);
  }

  function at(UintSet storage set, uint256 index)
    internal
    view
    returns (uint256)
  {
    return uint256(_at(set._inner, index));
  }
}

// File: contracts/@openzeppelin/contracts/utils/Address.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.6.2 <0.8.0;

library Address {
  function isContract(address account) internal view returns (bool) {
    uint256 size;

    assembly {
      size := extcodesize(account)
    }
    return size > 0;
  }

  function sendValue(address payable recipient, uint256 amount) internal {
    require(address(this).balance >= amount, 'Address: insufficient balance');

    (bool success, ) = recipient.call{value: amount}('');
    require(
      success,
      'Address: unable to send value, recipient may have reverted'
    );
  }

  function functionCall(address target, bytes memory data)
    internal
    returns (bytes memory)
  {
    return functionCall(target, data, 'Address: low-level call failed');
  }

  function functionCall(
    address target,
    bytes memory data,
    string memory errorMessage
  ) internal returns (bytes memory) {
    return functionCallWithValue(target, data, 0, errorMessage);
  }

  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'
      );
  }

  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');

    (bool success, bytes memory returndata) = target.call{value: value}(data);
    return _verifyCallResult(success, returndata, errorMessage);
  }

  function functionStaticCall(address target, bytes memory data)
    internal
    view
    returns (bytes memory)
  {
    return
      functionStaticCall(target, data, 'Address: low-level static call failed');
  }

  function functionStaticCall(
    address target,
    bytes memory data,
    string memory errorMessage
  ) internal view returns (bytes memory) {
    require(isContract(target), 'Address: static call to non-contract');

    (bool success, bytes memory returndata) = target.staticcall(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 {
      if (returndata.length > 0) {
        assembly {
          let returndata_size := mload(returndata)
          revert(add(32, returndata), returndata_size)
        }
      } else {
        revert(errorMessage);
      }
    }
  }
}