Address Details
contract
0x3d150B0f44DaE282D4E5751DD7B8ABE297CD0d49
- Contract Name
- AmbassadorsImplementation
- Creator
- 0xa34737–43edab at 0xb1dd58–f1106b
- Balance
- 0 CELO ( )
- Locked CELO Balance
- 0.00 CELO
- Voting CELO Balance
- 0.00 CELO
- Pending Unlocked Gold
- 0.00 CELO
- Tokens
-
Fetching tokens...
- Transactions
- 0 Transactions
- Transfers
- 0 Transfers
- Gas Used
- Fetching gas used...
- Last Balance Update
- 22721592
This contract has been verified via Sourcify.
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- Contract name:
- AmbassadorsImplementation
- Optimization enabled
- true
- Compiler version
- v0.8.4+commit.c7e474f2
- Optimization runs
- 200
- EVM Version
- istanbul
- Verified at
- 2022-06-28T20:02:21.331563Z
contracts/ambassadors/AmbassadorsImplementation.sol
// SPDX-License-Identifier: Apache-2.0 pragma solidity 0.8.4; import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol"; import "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol"; import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "./interfaces/AmbassadorsStorageV1.sol"; import "../community/interfaces/ICommunityAdmin.sol"; /** * @notice Welcome to Ambassadors contract. */ contract AmbassadorsImplementation is Initializable, OwnableUpgradeable, ReentrancyGuardUpgradeable, AmbassadorsStorageV1 { using EnumerableSet for EnumerableSet.AddressSet; /** * @notice Triggered when an entity is added. * * @param entity Address of the entity added * */ event EntityAdded(address indexed entity); /** * @notice Triggered when an entity is removed. * * @param entity Address of the entity removed * */ event EntityRemoved(address indexed entity); /** * @notice Triggered when an entity replaced account address. * * @param entityIndex Entity index replacing account address * @param oldAccount Old account address * @param newAccount New account address * */ event EntityAccountReplaced( uint256 entityIndex, address indexed oldAccount, address indexed newAccount ); /** * @notice Triggered when an ambassador is added to an entity. * * @param ambassador Address of the ambassador added * @param entity Address of the entity where the ambassador is added * */ event AmbassadorAdded(address indexed ambassador, address indexed entity); /** * @notice Triggered when an ambassador is removed. * * @param ambassador Address of the ambassador removed * @param entity Address of the entity where the ambassador is removed * */ event AmbassadorRemoved(address indexed ambassador, address indexed entity); /** * @notice Triggered when an ambassador is replaced by the entity. * * @param ambassadorIndex Index of the ambassador being replaced * @param entityAccount Address of the entity where ambassador is being replaced * @param oldAmbassador Ambassador's old account address * @param newAmbassador Ambassador's new account address * */ event AmbassadorReplaced( uint256 ambassadorIndex, address indexed entityAccount, address indexed oldAmbassador, address indexed newAmbassador ); /** * @notice Triggered when an ambassador replaces it's own account. * * @param ambassadorIndex Index of the ambassador being replaced * @param entityAccount Address of the entity where ambassador is being replaced * @param oldAccount Ambassador's old account address * @param newAccount Ambassador's new account address * */ event AmbassadorAccountReplaced( uint256 ambassadorIndex, address indexed entityAccount, address indexed oldAccount, address indexed newAccount ); /** * @notice Triggered when an ambassador is transfered to a new entity. * * @param ambassador Ambassador address being replaced * @param oldEntity Entity's old account address * @param newEntity Entity's new account address * */ event AmbassadorTransfered( address indexed ambassador, address indexed oldEntity, address indexed newEntity ); /** * @notice Triggered when a community is transfered from one ambassador to another. * * @param fromAmbassador Ambassador address from which the community is being transfered from * @param toAmbassador Ambassador address to which the community is being transfered to * @param community Community address being transfered * */ event AmbassadorToCommunityUpdated( address indexed fromAmbassador, address indexed toAmbassador, address indexed community ); /** * @notice Triggered when a community is removed. * * @param ambassador Ambassador of the community being removed * @param community Community address being removed * */ event CommunityRemoved(address indexed ambassador, address indexed community); /** * @notice Enforces sender to be an ambassador */ modifier onlyAmbassador() { require(ambassadorByAddress[msg.sender] != 0, "Ambassador:: ONLY_AMBASSADOR"); _; } /** * @notice Enforces sender to be an entity */ modifier onlyEntity() { require(entityByAddress[msg.sender] != 0, "Ambassador:: ONLY_ENTITY"); _; } /** * @notice Enforces sender to be an entity or owner */ modifier onlyEntityOrOwner() { require( entityByAddress[msg.sender] != 0 || owner() == msg.sender, "Ambassador:: ONLY_ENTITY_OR_OWNER" ); _; } /** * @notice Enforces sender to be te community admin contract */ modifier onlyCommunityAdmin() { require(address(communityAdmin) == msg.sender, "Ambassador:: ONLY_COMMUNITY_ADMIN"); _; } /** * @notice Used to initialize a new Ambassadors contract * * @param _communityAdmin Address of the community admin contract * */ function initialize(ICommunityAdmin _communityAdmin) external initializer { __Ownable_init(); __ReentrancyGuard_init(); ambassadorIndex = 1; entityIndex = 1; communityAdmin = _communityAdmin; } /** * @notice Returns the current implementation version */ function getVersion() external pure override returns (uint256) { return 1; } /** * @notice Returns boolean whether an address is ambassador or not. * * @param _ambassador Address of the ambassador * @return Boolean whether an address is ambassador or not */ function isAmbassador(address _ambassador) public view override returns (bool) { return ambassadorByAddress[_ambassador] != 0; } /** * @notice Returns boolean whether an address is ambassador of a given community. * * @param _ambassador Address of the ambassador * @param _community Address of the community * @return Boolean whether an address is ambassador of a given community or not */ function isAmbassadorOf(address _ambassador, address _community) public view override returns (bool) { return ambassadorByAddress[_ambassador] == communityToAmbassador[_community]; } /** * @notice Returns boolean whether an address is entity responsible for ambassador of a given community. * * @param _entity Address of the entity * @param _community Address of the community * @return Boolean whether an address is entity responsible for ambassador of a given community or not */ function isEntityOf(address _entity, address _community) public view override returns (bool) { return entityByAddress[_entity] == ambassadorToEntity[communityToAmbassador[_community]]; } /** * @notice Returns boolean whether an address is ambassador at a given entity. * * @param _ambassador Address of the ambassador * @param _entityAddress Address of the entity * @return Boolean whether an address is ambassador at a given entity or not */ function isAmbassadorAt(address _ambassador, address _entityAddress) public view override returns (bool) { return ambassadorToEntity[ambassadorByAddress[_ambassador]] == entityByAddress[_entityAddress]; } /** Updates the address of the communityAdmin * * @param _newCommunityAdmin address of the new communityAdmin * @dev used only for testing the new community upgrade flow */ function updateCommunityAdmin(ICommunityAdmin _newCommunityAdmin) external onlyOwner { communityAdmin = _newCommunityAdmin; } /** * @notice Registers an entity. * * @param _entity Address of the entity */ function addEntity(address _entity) public override onlyOwner { require(entityByAddress[_entity] == 0, "Ambassador:: ALREADY_ENTITY"); entityByAddress[_entity] = entityIndex; entityByIndex[entityIndex] = _entity; entityIndex++; emit EntityAdded(_entity); } /** * @notice Removes an entity. * * @param _entity Address of the entity */ function removeEntity(address _entity) public override onlyOwner { uint256 entityIndex = entityByAddress[_entity]; require(entityIndex != 0, "Ambassador:: NOT_ENTITY"); require(entityAmbassadors[entityIndex] == 0, "Ambassador:: HAS_AMBASSADORS"); entityByIndex[entityIndex] = address(0); entityByAddress[_entity] = 0; emit EntityRemoved(_entity); } /** * @notice Replace entity account. * * @param _entity Address of the entity * @param _newEntity New entity address */ function replaceEntityAccount(address _entity, address _newEntity) external override { uint256 entityIndex = entityByAddress[_entity]; require(msg.sender == _entity || msg.sender == owner(), "Ambassador:: NOT_ALLOWED"); require(entityIndex != 0, "Ambassador:: NOT_ENTITY"); entityByIndex[entityIndex] = _newEntity; entityByAddress[_newEntity] = entityByAddress[_entity]; entityByAddress[_entity] = 0; emit EntityAccountReplaced(entityIndex, _entity, _newEntity); } /** * @notice Registers an ambassador. * * @param _ambassador Address of the ambassador */ function addAmbassador(address _ambassador) external override onlyEntity { require(!isAmbassador(_ambassador), "Ambassador:: ALREADY_AMBASSADOR"); uint256 entityIndex = entityByAddress[msg.sender]; ambassadorByAddress[_ambassador] = ambassadorIndex; ambassadorByIndex[ambassadorIndex] = _ambassador; ambassadorToEntity[ambassadorIndex] = entityIndex; entityAmbassadors[entityIndex]++; ambassadorIndex++; emit AmbassadorAdded(_ambassador, msg.sender); } /** * @notice Removes an ambassador. * * @param _ambassador Address of the ambassador */ function removeAmbassador(address _ambassador) external override onlyEntity { uint256 thisAmbassadorIndex = ambassadorByAddress[_ambassador]; uint256 entityIndex = entityByAddress[msg.sender]; require(isAmbassadorAt(_ambassador, msg.sender), "Ambassador:: NOT_AMBASSADOR"); require( ambassadorCommunities[thisAmbassadorIndex].length() == 0, "Ambassador:: HAS_COMMUNITIES" ); entityAmbassadors[entityIndex]--; ambassadorByAddress[_ambassador] = 0; emit AmbassadorRemoved(_ambassador, msg.sender); } /** * @notice Replace ambassador account. Called by ambassador. * * @param _ambassador Address of the ambassador * @param _newAmbassador New ambassador address */ function replaceAmbassadorAccount(address _ambassador, address _newAmbassador) external override { require(msg.sender == _ambassador || msg.sender == owner(), "Ambassador:: NOT_ALLOWED"); require(isAmbassador(_ambassador), "Ambassador:: NOT_AMBASSADOR"); require(!isAmbassador(_newAmbassador), "Ambassador:: ALREADY_AMBASSADOR"); uint256 thisAmbassadorIndex; address entityAddress; address oldAmbassador; address newAmbassador; ( thisAmbassadorIndex, entityAddress, oldAmbassador, newAmbassador ) = _replaceAmbassadorAccountInternal(_ambassador, _newAmbassador); emit AmbassadorAccountReplaced( thisAmbassadorIndex, entityAddress, oldAmbassador, newAmbassador ); } /** * @notice Replaces an ambassador. Called by entity. * * @param _oldAmbassador Address of the ambassador * @param _newAmbassador New ambassador address */ function replaceAmbassador(address _oldAmbassador, address _newAmbassador) external override { require( isAmbassadorAt(_oldAmbassador, msg.sender) || msg.sender == owner(), "Ambassador:: NOT_AMBASSADOR" ); require(!isAmbassador(_newAmbassador), "Ambassador:: ALREADY_AMBASSADOR"); uint256 thisAmbassadorIndex; address entityAddress; address oldAmbassador; address newAmbassador; ( thisAmbassadorIndex, entityAddress, oldAmbassador, newAmbassador ) = _replaceAmbassadorAccountInternal(_oldAmbassador, _newAmbassador); emit AmbassadorReplaced(thisAmbassadorIndex, entityAddress, oldAmbassador, newAmbassador); } /** * @notice Transfers an ambassador to another entity. * * @param _ambassador Address of the ambassador * @param _toEntity Address of the entity * @param _keepCommunities Boolean whether to keep the ambassador's communities or not */ function transferAmbassador( address _ambassador, address _toEntity, bool _keepCommunities ) external override onlyEntityOrOwner { uint256 thisAmbassadorIndex = ambassadorByAddress[_ambassador]; require( isAmbassadorAt(_ambassador, msg.sender) || msg.sender == owner(), "Ambassador:: NOT_AMBASSADOR" ); require( ambassadorCommunities[thisAmbassadorIndex].length() == 0 || _keepCommunities == true, "Ambassador:: HAS_COMMUNITIES" ); uint256 entityIndex = ambassadorToEntity[thisAmbassadorIndex]; uint256 entityToIndex = entityByAddress[_toEntity]; ambassadorToEntity[thisAmbassadorIndex] = entityToIndex; entityAmbassadors[entityIndex]--; entityAmbassadors[entityToIndex]++; emit AmbassadorTransfered(_ambassador, entityByIndex[entityIndex], _toEntity); } /** * @notice Transfers community from ambassador to another ambassador. * * @param _to Address of the ambassador to transfer the community to * @param _community Community address */ function transferCommunityToAmbassador(address _to, address _community) external override onlyEntityOrOwner { address _from = ambassadorByIndex[communityToAmbassador[_community]]; require(isAmbassadorOf(_from, _community), "Ambassador:: NOT_AMBASSADOR"); require(!isAmbassadorOf(_to, _community), "Ambassador:: ALREADY_AMBASSADOR"); require( isAmbassadorAt(_from, msg.sender) || msg.sender == owner(), "Ambassador:: NOT_AMBASSADOR" ); require( isAmbassadorAt(_to, msg.sender) || msg.sender == owner(), "Ambassador:: NOT_AMBASSADOR" ); communityToAmbassador[_community] = ambassadorByAddress[_to]; ambassadorCommunities[ambassadorByAddress[_from]].remove(_community); ambassadorCommunities[ambassadorByAddress[_to]].add(_community); emit AmbassadorToCommunityUpdated(_from, _to, _community); } /** * @notice Sets community to ambassador. * * @param _ambassador Address of the ambassador * @param _community Community address */ function setCommunityToAmbassador(address _ambassador, address _community) external override onlyCommunityAdmin { require(isAmbassador(_ambassador), "Ambassador:: NOT_AMBASSADOR"); require(!isAmbassadorOf(_ambassador, _community), "Ambassador:: ALREADY_AMBASSADOR"); uint256 thisAmbassadorIndex = ambassadorByAddress[_ambassador]; communityToAmbassador[_community] = thisAmbassadorIndex; ambassadorCommunities[thisAmbassadorIndex].add(_community); emit AmbassadorToCommunityUpdated(address(0), _ambassador, _community); } /** * @notice Removes community. * * @param _community Community address */ function removeCommunity(address _community) external override onlyCommunityAdmin { address _ambassador = ambassadorByIndex[communityToAmbassador[_community]]; require(isAmbassadorOf(_ambassador, _community), "Ambassador:: NOT_AMBASSADOR"); uint256 thisAmbassadorIndex = ambassadorByAddress[_ambassador]; communityToAmbassador[_community] = 0; ambassadorCommunities[thisAmbassadorIndex].remove(_community); emit CommunityRemoved(_ambassador, _community); } /** * @notice Internal function, common to account replacement. * * @param _old Address of the ambassador * @param _new New ambassador address */ function _replaceAmbassadorAccountInternal(address _old, address _new) private returns ( uint256, address, address, address ) { uint256 thisAmbassadorIndex = ambassadorByAddress[_old]; uint256 entityIndex = ambassadorToEntity[thisAmbassadorIndex]; ambassadorByIndex[thisAmbassadorIndex] = _new; ambassadorByAddress[_new] = ambassadorByAddress[_old]; ambassadorByAddress[_old] = 0; return (thisAmbassadorIndex, entityByIndex[entityIndex], _old, _new); } }
/_openzeppelin/contracts/access/Ownable.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^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() { _transferOwnership(_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 { _transferOwnership(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"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
/_openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol) pragma solidity ^0.8.0; import "../Proxy.sol"; import "./ERC1967Upgrade.sol"; /** * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an * implementation address that can be changed. This address is stored in storage in the location specified by * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the * implementation behind the proxy. */ contract ERC1967Proxy is Proxy, ERC1967Upgrade { /** * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`. * * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded * function call, and allows initializating the storage of the proxy like a Solidity constructor. */ constructor(address _logic, bytes memory _data) payable { assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1)); _upgradeToAndCall(_logic, _data, false); } /** * @dev Returns the current implementation address. */ function _implementation() internal view virtual override returns (address impl) { return ERC1967Upgrade._getImplementation(); } }
/_openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Upgrade.sol) pragma solidity ^0.8.2; import "../beacon/IBeacon.sol"; import "../../utils/Address.sol"; import "../../utils/StorageSlot.sol"; /** * @dev This abstract contract provides getters and event emitting update functions for * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots. * * _Available since v4.1._ * * @custom:oz-upgrades-unsafe-allow delegatecall */ abstract contract ERC1967Upgrade { // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1 bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143; /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Emitted when the implementation is upgraded. */ event Upgraded(address indexed implementation); /** * @dev Returns the current implementation address. */ function _getImplementation() internal view returns (address) { return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; } /** * @dev Stores a new address in the EIP1967 implementation slot. */ function _setImplementation(address newImplementation) private { require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; } /** * @dev Perform implementation upgrade * * Emits an {Upgraded} event. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Perform implementation upgrade with additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCall( address newImplementation, bytes memory data, bool forceCall ) internal { _upgradeTo(newImplementation); if (data.length > 0 || forceCall) { Address.functionDelegateCall(newImplementation, data); } } /** * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call. * * Emits an {Upgraded} event. */ function _upgradeToAndCallSecure( address newImplementation, bytes memory data, bool forceCall ) internal { address oldImplementation = _getImplementation(); // Initial upgrade and setup call _setImplementation(newImplementation); if (data.length > 0 || forceCall) { Address.functionDelegateCall(newImplementation, data); } // Perform rollback test if not already in progress StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT); if (!rollbackTesting.value) { // Trigger rollback using upgradeTo from the new implementation rollbackTesting.value = true; Address.functionDelegateCall( newImplementation, abi.encodeWithSignature("upgradeTo(address)", oldImplementation) ); rollbackTesting.value = false; // Check rollback was effective require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades"); // Finally reset to the new implementation and log the upgrade _upgradeTo(newImplementation); } } /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; /** * @dev Emitted when the admin account has changed. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Returns the current admin. */ function _getAdmin() internal view returns (address) { return StorageSlot.getAddressSlot(_ADMIN_SLOT).value; } /** * @dev Stores a new address in the EIP1967 admin slot. */ function _setAdmin(address newAdmin) private { require(newAdmin != address(0), "ERC1967: new admin is the zero address"); StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin; } /** * @dev Changes the admin of the proxy. * * Emits an {AdminChanged} event. */ function _changeAdmin(address newAdmin) internal { emit AdminChanged(_getAdmin(), newAdmin); _setAdmin(newAdmin); } /** * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy. * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor. */ bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50; /** * @dev Emitted when the beacon is upgraded. */ event BeaconUpgraded(address indexed beacon); /** * @dev Returns the current beacon. */ function _getBeacon() internal view returns (address) { return StorageSlot.getAddressSlot(_BEACON_SLOT).value; } /** * @dev Stores a new beacon in the EIP1967 beacon slot. */ function _setBeacon(address newBeacon) private { require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract"); require( Address.isContract(IBeacon(newBeacon).implementation()), "ERC1967: beacon implementation is not a contract" ); StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon; } /** * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that). * * Emits a {BeaconUpgraded} event. */ function _upgradeBeaconToAndCall( address newBeacon, bytes memory data, bool forceCall ) internal { _setBeacon(newBeacon); emit BeaconUpgraded(newBeacon); if (data.length > 0 || forceCall) { Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data); } } }
/_openzeppelin/contracts/proxy/Proxy.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/Proxy.sol) pragma solidity ^0.8.0; /** * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to * be specified by overriding the virtual {_implementation} function. * * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a * different contract through the {_delegate} function. * * The success and return data of the delegated call will be returned back to the caller of the proxy. */ abstract contract Proxy { /** * @dev Delegates the current call to `implementation`. * * This function does not return to its internall call site, it will return directly to the external caller. */ function _delegate(address implementation) internal virtual { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function * and {_fallback} should delegate. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates the current call to the address returned by `_implementation()`. * * This function does not return to its internall call site, it will return directly to the external caller. */ function _fallback() internal virtual { _beforeFallback(); _delegate(_implementation()); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other * function in the contract matches the call data. */ fallback() external payable virtual { _fallback(); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data * is empty. */ receive() external payable virtual { _fallback(); } /** * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback` * call, or as part of the Solidity `fallback` or `receive` functions. * * If overriden should call `super._beforeFallback()`. */ function _beforeFallback() internal virtual {} }
/_openzeppelin/contracts/proxy/beacon/IBeacon.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol) pragma solidity ^0.8.0; /** * @dev This is the interface that {BeaconProxy} expects of its beacon. */ interface IBeacon { /** * @dev Must return an address that can be used as a delegate call target. * * {BeaconProxy} will check that this address is a contract. */ function implementation() external view returns (address); }
/_openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/transparent/ProxyAdmin.sol) pragma solidity ^0.8.0; import "./TransparentUpgradeableProxy.sol"; import "../../access/Ownable.sol"; /** * @dev This is an auxiliary contract meant to be assigned as the admin of a {TransparentUpgradeableProxy}. For an * explanation of why you would want to use this see the documentation for {TransparentUpgradeableProxy}. */ contract ProxyAdmin is Ownable { /** * @dev Returns the current implementation of `proxy`. * * Requirements: * * - This contract must be the admin of `proxy`. */ function getProxyImplementation(TransparentUpgradeableProxy proxy) public view virtual returns (address) { // We need to manually run the static call since the getter cannot be flagged as view // bytes4(keccak256("implementation()")) == 0x5c60da1b (bool success, bytes memory returndata) = address(proxy).staticcall(hex"5c60da1b"); require(success); return abi.decode(returndata, (address)); } /** * @dev Returns the current admin of `proxy`. * * Requirements: * * - This contract must be the admin of `proxy`. */ function getProxyAdmin(TransparentUpgradeableProxy proxy) public view virtual returns (address) { // We need to manually run the static call since the getter cannot be flagged as view // bytes4(keccak256("admin()")) == 0xf851a440 (bool success, bytes memory returndata) = address(proxy).staticcall(hex"f851a440"); require(success); return abi.decode(returndata, (address)); } /** * @dev Changes the admin of `proxy` to `newAdmin`. * * Requirements: * * - This contract must be the current admin of `proxy`. */ function changeProxyAdmin(TransparentUpgradeableProxy proxy, address newAdmin) public virtual onlyOwner { proxy.changeAdmin(newAdmin); } /** * @dev Upgrades `proxy` to `implementation`. See {TransparentUpgradeableProxy-upgradeTo}. * * Requirements: * * - This contract must be the admin of `proxy`. */ function upgrade(TransparentUpgradeableProxy proxy, address implementation) public virtual onlyOwner { proxy.upgradeTo(implementation); } /** * @dev Upgrades `proxy` to `implementation` and calls a function on the new implementation. See * {TransparentUpgradeableProxy-upgradeToAndCall}. * * Requirements: * * - This contract must be the admin of `proxy`. */ function upgradeAndCall( TransparentUpgradeableProxy proxy, address implementation, bytes memory data ) public payable virtual onlyOwner { proxy.upgradeToAndCall{value: msg.value}(implementation, data); } }
/_openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/transparent/TransparentUpgradeableProxy.sol) pragma solidity ^0.8.0; import "../ERC1967/ERC1967Proxy.sol"; /** * @dev This contract implements a proxy that is upgradeable by an admin. * * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector * clashing], which can potentially be used in an attack, this contract uses the * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two * things that go hand in hand: * * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if * that call matches one of the admin functions exposed by the proxy itself. * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the * implementation. If the admin tries to call a function on the implementation it will fail with an error that says * "admin cannot fallback to proxy target". * * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due * to sudden errors when trying to call a function from the proxy implementation. * * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way, * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy. */ contract TransparentUpgradeableProxy is ERC1967Proxy { /** * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}. */ constructor( address _logic, address admin_, bytes memory _data ) payable ERC1967Proxy(_logic, _data) { assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1)); _changeAdmin(admin_); } /** * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin. */ modifier ifAdmin() { if (msg.sender == _getAdmin()) { _; } else { _fallback(); } } /** * @dev Returns the current admin. * * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103` */ function admin() external ifAdmin returns (address admin_) { admin_ = _getAdmin(); } /** * @dev Returns the current implementation. * * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}. * * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call. * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc` */ function implementation() external ifAdmin returns (address implementation_) { implementation_ = _implementation(); } /** * @dev Changes the admin of the proxy. * * Emits an {AdminChanged} event. * * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}. */ function changeAdmin(address newAdmin) external virtual ifAdmin { _changeAdmin(newAdmin); } /** * @dev Upgrade the implementation of the proxy. * * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}. */ function upgradeTo(address newImplementation) external ifAdmin { _upgradeToAndCall(newImplementation, bytes(""), false); } /** * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the * proxied contract. * * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}. */ function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin { _upgradeToAndCall(newImplementation, data, true); } /** * @dev Returns the current admin. */ function _admin() internal view virtual returns (address) { return _getAdmin(); } /** * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}. */ function _beforeFallback() internal virtual override { require(msg.sender != _getAdmin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target"); super._beforeFallback(); } }
/_openzeppelin/contracts/token/ERC20/IERC20.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol) pragma solidity ^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); }
/_openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
/_openzeppelin/contracts/utils/Address.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^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; 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"); (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"); (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"); (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"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal 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 assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
/_openzeppelin/contracts/utils/Context.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^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 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) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
/_openzeppelin/contracts/utils/StorageSlot.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol) pragma solidity ^0.8.0; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ``` * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._ */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { assembly { r.slot := slot } } }
/_openzeppelin/contracts/utils/structs/EnumerableSet.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableSet.sol) pragma solidity ^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; if (lastIndex != toDeleteIndex) { 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] = valueIndex; // Replace lastvalue's index to valueIndex } // 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) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // 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); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { return _values(set._inner); } // 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)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; assembly { result := store } return result; } // 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)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; assembly { result := store } return result; } }
/_openzeppelin/contracts-upgradeable/access/IAccessControlUpgradeable.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol) pragma solidity ^0.8.0; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControlUpgradeable { /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) external; }
/_openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal onlyInitializing { __Context_init_unchained(); __Ownable_init_unchained(); } function __Ownable_init_unchained() internal onlyInitializing { _transferOwnership(_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 { _transferOwnership(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"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } uint256[49] private __gap; }
/_openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/utils/Initializable.sol) pragma solidity ^0.8.0; import "../../utils/AddressUpgradeable.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 {ERC1967Proxy-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. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() initializer {} * ``` * ==== */ 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() { // If the contract is initializing we ignore whether _initialized is set in order to support multiple // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the // contract may have been reentered. require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized"); bool isTopLevelCall = !_initializing; if (isTopLevelCall) { _initializing = true; _initialized = true; } _; if (isTopLevelCall) { _initializing = false; } } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} modifier, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } function _isConstructor() private view returns (bool) { return !AddressUpgradeable.isContract(address(this)); } }
/_openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuardUpgradeable is Initializable { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; function __ReentrancyGuard_init() internal onlyInitializing { __ReentrancyGuard_init_unchained(); } function __ReentrancyGuard_init_unchained() internal onlyInitializing { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } uint256[49] private __gap; }
/_openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @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; 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"); (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"); (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"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal 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 assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
/_openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @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 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 ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { __Context_init_unchained(); } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } uint256[50] private __gap; }
/contracts/ambassadors/interfaces/AmbassadorsStorageV1.sol
// SPDX-License-Identifier: Apache-2.0 pragma solidity 0.8.4; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; import "./IAmbassadors.sol"; import "../../community/interfaces/ICommunityAdmin.sol"; /** * @title Storage for Ambassadors * @notice For future upgrades, do not change AmbassadorsStorageV1. Create a new * contract which implements AmbassadorsStorageV1 and following the naming convention * AmbassadorsStorageVX. */ abstract contract AmbassadorsStorageV1 is IAmbassadors { uint256 public ambassadorIndex; uint256 public entityIndex; ICommunityAdmin public communityAdmin; // address to index mapping(address => uint256) public ambassadorByAddress; // index to address mapping(uint256 => address) public ambassadorByIndex; // communities an ambassador is responsible for mapping(uint256 => EnumerableSet.AddressSet) internal ambassadorCommunities; // community address to ambassador index mapping(address => uint256) public communityToAmbassador; // ambassador belongs to entity mapping(uint256 => uint256) public ambassadorToEntity; // entity adding ambassadors mapping(address => uint256) public entityByAddress; // entity adding ambassadors mapping(uint256 => address) public entityByIndex; // number of ambassadors an entity is responsible for mapping(uint256 => uint256) public entityAmbassadors; }
/contracts/ambassadors/interfaces/IAmbassadors.sol
// SPDX-License-Identifier: Apache-2.0 pragma solidity 0.8.4; interface IAmbassadors { function getVersion() external returns(uint256); function isAmbassador(address _ambassador) external view returns (bool); function isAmbassadorOf(address _ambassador, address _community) external view returns (bool); function isEntityOf(address _ambassador, address _entityAddress) external view returns (bool); function isAmbassadorAt(address _ambassador, address _entityAddress) external view returns (bool); function addEntity(address _entity) external; function removeEntity(address _entity) external; function replaceEntityAccount(address _entity, address _newEntity) external; function addAmbassador(address _ambassador) external; function removeAmbassador(address _ambassador) external; function replaceAmbassadorAccount(address _ambassador, address _newAmbassador) external; function replaceAmbassador(address _oldAmbassador, address _newAmbassador) external; function transferAmbassador(address _ambassador, address _toEntity, bool _keepCommunities) external; function transferCommunityToAmbassador(address _to, address _community) external; function setCommunityToAmbassador(address _ambassador, address _community) external; function removeCommunity(address _community) external; }
/contracts/community/interfaces/ICommunity.sol
// SPDX-License-Identifier: Apache-2.0 pragma solidity 0.8.4; import "@openzeppelin/contracts-upgradeable/access/IAccessControlUpgradeable.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "./ICommunityAdmin.sol"; interface ICommunity { enum BeneficiaryState { NONE, //the beneficiary hasn't been added yet Valid, Locked, Removed } struct Beneficiary { BeneficiaryState state; //beneficiary state uint256 claims; //total number of claims uint256 claimedAmount; //total amount of cUSD received uint256 lastClaim; //block number of the last claim } function initialize( address[] memory _managers, uint256 _claimAmount, uint256 _maxClaim, uint256 _decreaseStep, uint256 _baseInterval, uint256 _incrementInterval, uint256 _minTranche, uint256 _maxTranche, uint256 _maxBeneficiaries, ICommunity _previousCommunity ) external; function getVersion() external returns(uint256); function previousCommunity() external view returns(ICommunity); function claimAmount() external view returns(uint256); function baseInterval() external view returns(uint256); function incrementInterval() external view returns(uint256); function maxClaim() external view returns(uint256); function validBeneficiaryCount() external view returns(uint); function maxBeneficiaries() external view returns(uint); function treasuryFunds() external view returns(uint); function privateFunds() external view returns(uint); function communityAdmin() external view returns(ICommunityAdmin); function cUSD() external view returns(IERC20); function token() external view returns(IERC20); function locked() external view returns(bool); function beneficiaries(address _beneficiaryAddress) external view returns( BeneficiaryState state, uint256 claims, uint256 claimedAmount, uint256 lastClaim ); function decreaseStep() external view returns(uint); function beneficiaryListAt(uint256 _index) external view returns (address); function beneficiaryListLength() external view returns (uint256); function impactMarketAddress() external pure returns (address); function minTranche() external view returns(uint256); function maxTranche() external view returns(uint256); function lastFundRequest() external view returns(uint256); function updateCommunityAdmin(ICommunityAdmin _communityAdmin) external; function updatePreviousCommunity(ICommunity _newPreviousCommunity) external; function updateBeneficiaryParams( uint256 _claimAmount, uint256 _maxClaim, uint256 _decreaseStep, uint256 _baseInterval, uint256 _incrementInterval ) external; function updateCommunityParams( uint256 _minTranche, uint256 _maxTranche ) external; function updateMaxBeneficiaries(uint256 _newMaxBeneficiaries) external; function updateToken(IERC20 _newToken, address[] memory _exchangePath) external; function donate(address _sender, uint256 _amount) external; function addTreasuryFunds(uint256 _amount) external; function transfer(IERC20 _token, address _to, uint256 _amount) external; function addManager(address _managerAddress) external; function removeManager(address _managerAddress) external; function addBeneficiaries(address[] memory _beneficiaryAddresses) external; function lockBeneficiary(address _beneficiaryAddress) external; function unlockBeneficiary(address _beneficiaryAddress) external; function removeBeneficiary(address _beneficiaryAddress) external; function claim() external; function lastInterval(address _beneficiaryAddress) external view returns (uint256); function claimCooldown(address _beneficiaryAddress) external view returns (uint256); function lock() external; function unlock() external; function requestFunds() external; function beneficiaryJoinFromMigrated(address _beneficiaryAddress) external; function getInitialMaxClaim() external view returns (uint256); }
/contracts/community/interfaces/ICommunityAdmin.sol
// SPDX-License-Identifier: Apache-2.0 pragma solidity 0.8.4; import "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "./ICommunity.sol"; import "../../treasury/interfaces/ITreasury.sol"; import "../../governor/impactMarketCouncil/interfaces/IImpactMarketCouncil.sol"; import "../../ambassadors/interfaces/IAmbassadors.sol"; interface ICommunityAdmin { enum CommunityState { NONE, Valid, Removed, Migrated } function getVersion() external returns(uint256); function cUSD() external view returns(IERC20); function treasury() external view returns(ITreasury); function impactMarketCouncil() external view returns(IImpactMarketCouncil); function ambassadors() external view returns(IAmbassadors); function communityMiddleProxy() external view returns(address); function communities(address _community) external view returns(CommunityState); function communityImplementation() external view returns(ICommunity); function communityProxyAdmin() external view returns(ProxyAdmin); function communityListAt(uint256 _index) external view returns (address); function communityListLength() external view returns (uint256); function isAmbassadorOrEntityOfCommunity(address _community, address _ambassadorOrEntity) external view returns (bool); function updateTreasury(ITreasury _newTreasury) external; function updateImpactMarketCouncil(IImpactMarketCouncil _newImpactMarketCouncil) external; function updateAmbassadors(IAmbassadors _newAmbassadors) external; function updateCommunityMiddleProxy(address _communityMiddleProxy) external; function updateCommunityImplementation(ICommunity _communityImplementation_) external; function updateBeneficiaryParams( ICommunity _community, uint256 _claimAmount, uint256 _maxClaim, uint256 _decreaseStep, uint256 _baseInterval, uint256 _incrementInterval, uint256 _maxBeneficiaries ) external; function updateCommunityParams( ICommunity _community, uint256 _minTranche, uint256 _maxTranche ) external; function updateProxyImplementation(address _CommunityMiddleProxy, address _newLogic) external; function updateCommunityToken( ICommunity _community, IERC20 _newToken, address[] memory _exchangePath ) external; function addCommunity( address[] memory _managers, address _ambassador, uint256 _claimAmount, uint256 _maxClaim, uint256 _decreaseStep, uint256 _baseInterval, uint256 _incrementInterval, uint256 _minTranche, uint256 _maxTranche, uint256 _maxBeneficiaries ) external; function migrateCommunity( address[] memory _managers, ICommunity _previousCommunity ) external; function removeCommunity(ICommunity _community) external; function fundCommunity() external; function transfer(IERC20 _token, address _to, uint256 _amount) external; function transferFromCommunity( ICommunity _community, IERC20 _token, address _to, uint256 _amount ) external; }
/contracts/governor/impactMarketCouncil/interfaces/IImpactMarketCouncil.sol
// SPDX-License-Identifier: Apache-2.0 pragma solidity 0.8.4; import "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; interface IImpactMarketCouncil { // }
/contracts/treasury/interfaces/ITreasury.sol
//SPDX-License-Identifier: Apache-2.0 pragma solidity 0.8.4; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "../../community/interfaces/ICommunityAdmin.sol"; import "./IUniswapV2Router.sol"; interface ITreasury { struct Token { uint256 rate; address[] exchangePath; } function getVersion() external returns(uint256); function communityAdmin() external view returns(ICommunityAdmin); function uniswapRouter() external view returns(IUniswapV2Router); function updateCommunityAdmin(ICommunityAdmin _communityAdmin) external; function updateUniswapRouter(IUniswapV2Router _uniswapRouter) external; function transfer(IERC20 _token, address _to, uint256 _amount) external; function isToken(address _tokenAddress) external view returns (bool); function tokenListLength() external view returns (uint256); function tokenListAt(uint256 _index) external view returns (address); function tokens(address _tokenAddress) external view returns (uint256 rate, address[] memory exchangePath); function setToken(address _tokenAddress, uint256 _rate, address[] calldata _exchangePath) external; function removeToken(address _tokenAddress) external; function getConvertedAmount(address _tokenAddress, uint256 _amount) external view returns (uint256); function convertAmount( address _tokenAddress, uint256 _amountIn, uint256 _amountOutMin, address[] memory _exchangePath, uint256 _deadline ) external; }
/contracts/treasury/interfaces/IUniswapV2Router.sol
// SPDX-License-Identifier: Apache-2.0 pragma solidity 0.8.4; interface IUniswapV2Router { function factory() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function pairFor(address tokenA, address tokenB) external view returns (address); }
Contract ABI
[{"type":"event","name":"AmbassadorAccountReplaced","inputs":[{"type":"uint256","name":"ambassadorIndex","internalType":"uint256","indexed":false},{"type":"address","name":"entityAccount","internalType":"address","indexed":true},{"type":"address","name":"oldAccount","internalType":"address","indexed":true},{"type":"address","name":"newAccount","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"AmbassadorAdded","inputs":[{"type":"address","name":"ambassador","internalType":"address","indexed":true},{"type":"address","name":"entity","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"AmbassadorRemoved","inputs":[{"type":"address","name":"ambassador","internalType":"address","indexed":true},{"type":"address","name":"entity","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"AmbassadorReplaced","inputs":[{"type":"uint256","name":"ambassadorIndex","internalType":"uint256","indexed":false},{"type":"address","name":"entityAccount","internalType":"address","indexed":true},{"type":"address","name":"oldAmbassador","internalType":"address","indexed":true},{"type":"address","name":"newAmbassador","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"AmbassadorToCommunityUpdated","inputs":[{"type":"address","name":"fromAmbassador","internalType":"address","indexed":true},{"type":"address","name":"toAmbassador","internalType":"address","indexed":true},{"type":"address","name":"community","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"AmbassadorTransfered","inputs":[{"type":"address","name":"ambassador","internalType":"address","indexed":true},{"type":"address","name":"oldEntity","internalType":"address","indexed":true},{"type":"address","name":"newEntity","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"CommunityRemoved","inputs":[{"type":"address","name":"ambassador","internalType":"address","indexed":true},{"type":"address","name":"community","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"EntityAccountReplaced","inputs":[{"type":"uint256","name":"entityIndex","internalType":"uint256","indexed":false},{"type":"address","name":"oldAccount","internalType":"address","indexed":true},{"type":"address","name":"newAccount","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"EntityAdded","inputs":[{"type":"address","name":"entity","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"EntityRemoved","inputs":[{"type":"address","name":"entity","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"addAmbassador","inputs":[{"type":"address","name":"_ambassador","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"addEntity","inputs":[{"type":"address","name":"_entity","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"ambassadorByAddress","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"ambassadorByIndex","inputs":[{"type":"uint256","name":"","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"ambassadorIndex","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"ambassadorToEntity","inputs":[{"type":"uint256","name":"","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"contract ICommunityAdmin"}],"name":"communityAdmin","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"communityToAmbassador","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"entityAmbassadors","inputs":[{"type":"uint256","name":"","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"entityByAddress","inputs":[{"type":"address","name":"","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"entityByIndex","inputs":[{"type":"uint256","name":"","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"entityIndex","inputs":[]},{"type":"function","stateMutability":"pure","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"getVersion","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"initialize","inputs":[{"type":"address","name":"_communityAdmin","internalType":"contract ICommunityAdmin"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isAmbassador","inputs":[{"type":"address","name":"_ambassador","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isAmbassadorAt","inputs":[{"type":"address","name":"_ambassador","internalType":"address"},{"type":"address","name":"_entityAddress","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isAmbassadorOf","inputs":[{"type":"address","name":"_ambassador","internalType":"address"},{"type":"address","name":"_community","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"isEntityOf","inputs":[{"type":"address","name":"_entity","internalType":"address"},{"type":"address","name":"_community","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"removeAmbassador","inputs":[{"type":"address","name":"_ambassador","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"removeCommunity","inputs":[{"type":"address","name":"_community","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"removeEntity","inputs":[{"type":"address","name":"_entity","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"replaceAmbassador","inputs":[{"type":"address","name":"_oldAmbassador","internalType":"address"},{"type":"address","name":"_newAmbassador","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"replaceAmbassadorAccount","inputs":[{"type":"address","name":"_ambassador","internalType":"address"},{"type":"address","name":"_newAmbassador","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"replaceEntityAccount","inputs":[{"type":"address","name":"_entity","internalType":"address"},{"type":"address","name":"_newEntity","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setCommunityToAmbassador","inputs":[{"type":"address","name":"_ambassador","internalType":"address"},{"type":"address","name":"_community","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferAmbassador","inputs":[{"type":"address","name":"_ambassador","internalType":"address"},{"type":"address","name":"_toEntity","internalType":"address"},{"type":"bool","name":"_keepCommunities","internalType":"bool"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferCommunityToAmbassador","inputs":[{"type":"address","name":"_to","internalType":"address"},{"type":"address","name":"_community","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"updateCommunityAdmin","inputs":[{"type":"address","name":"_newCommunityAdmin","internalType":"contract ICommunityAdmin"}]}]
Contract Creation Code
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