Contract Source Code:
// SPDX-License-Identifier: GPL-3.0
//
// :+#####%%%%%%%%%%%%%%+
// .-*@@@%+.:+%@@@@@%%#***%@@%=
// :=*%@@@#=. :#@@% *@@@%=
// .-+*%@%*-.:+%@@@@@@+. -*+: .=#. :%@@@%-
// :=*@@@@%%@@@@@@@@@%@@@- .=#@@@%@%= =@@@@#.
// -=+#%@@%#*=:. :%@@@@%. -*@@#*@@@@@@@#=:- *@@@@+
// =@@%=:. :=: *@@@@@%#- =%*%@@@@#+-. =+ :%@@@%-
// -@@%. .+@@@ =+=-. @@#- +@@@%- =@@@@%:
// :@@@. .+@@#%: : .=*=-::.-%@@@+*@@= +@@@@#.
// %@@: +@%%* =%@@@@@@@@@@@#. .*@%- +@@@@*.
// #@@= .+@@@@%:=*@@@@@- :%@%: .*@@@@+
// *@@* +@@@#-@@%-:%@@* +@@#. :%@@@@-
// -@@% .:-=++*##%%%@@@@@@@@@@@@*. :@+.@@@%: .#@@+ =@@@@#:
// .@@@*-+*#%%%@@@@@@@@@@@@@@@@%%#**@@%@@@. *@=*@@# :#@%= .#@@@@#-
// -%@@@@@@@@@@@@@@@*+==-:-@@@= *@# .#@*-=*@@@@%= -%@@@* =@@@@@%-
// -+%@@@#. %@%%= -@@:+@: -@@* *@@*-:: -%@@%=. .*@@@@@#
// *@@@* +@* *@@##@@- #@*@@+ -@@= . :+@@@#: .-+@@@%+-
// +@@@%*@@:..=@@@@* .@@@* .#@#. .=+- .=%@@@*. :+#@@@@*=:
// =@@@@%@@@@@@@@@@@@@@@@@@@@@@%- :+#*. :*@@@%=. .=#@@@@%+:
// .%@@= ..... .=#@@+. .#@@@*: -*%@@@@%+.
// +@@#+===---:::... .=%@@*- +@@@+. -*@@@@@%+.
// -@@@@@@@@@@@@@@@@@@@@@@%@@@@= -@@@+ -#@@@@@#=.
// ..:::---===+++***###%%%@@@#- .#@@+ -*@@@@@#=.
// @@@@@@+. +@@*. .+@@@@@%=.
// -@@@@@= =@@%: -#@@@@%+.
// +@@@@@. =@@@= .+@@@@@*:
// #@@@@#:%@@#. :*@@@@#-
// @@@@@%@@@= :#@@@@+.
// :@@@@@@@#.:#@@@%-
// +@@@@@@-.*@@@*:
// #@@@@#.=@@@+.
// @@@@+-%@%=
// :@@@#%@%=
// +@@@@%-
// :#%%=
//
/**
* NOTICE
*
* The T-REX software is licensed under a proprietary license or the GPL v.3.
* If you choose to receive it under the GPL v.3 license, the following applies:
* T-REX is a suite of smart contracts implementing the ERC-3643 standard and
* developed by Tokeny to manage and transfer financial assets on EVM blockchains
*
* Copyright (C) 2023, Tokeny sàrl.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
pragma solidity 0.8.17;
import "./AbstractProxy.sol";
contract TokenProxy is AbstractProxy {
constructor(
address implementationAuthority,
address _identityRegistry,
address _compliance,
string memory _name,
string memory _symbol,
uint8 _decimals,
// _onchainID can be 0 address if the token has no ONCHAINID, ONCHAINID can be set later by the token Owner
address _onchainID
) {
require(
implementationAuthority != address(0)
&& _identityRegistry != address(0)
&& _compliance != address(0)
, "invalid argument - zero address");
require(
keccak256(abi.encode(_name)) != keccak256(abi.encode(""))
&& keccak256(abi.encode(_symbol)) != keccak256(abi.encode(""))
, "invalid argument - empty string");
require(0 <= _decimals && _decimals <= 18, "decimals between 0 and 18");
_storeImplementationAuthority(implementationAuthority);
emit ImplementationAuthoritySet(implementationAuthority);
address logic = (ITREXImplementationAuthority(getImplementationAuthority())).getTokenImplementation();
// solhint-disable-next-line avoid-low-level-calls
(bool success, ) = logic.delegatecall(
abi.encodeWithSignature(
"init(address,address,string,string,uint8,address)",
_identityRegistry,
_compliance,
_name,
_symbol,
_decimals,
_onchainID
)
);
require(success, "Initialization failed.");
}
// solhint-disable-next-line no-complex-fallback
fallback() external payable {
address logic = (ITREXImplementationAuthority(getImplementationAuthority())).getTokenImplementation();
// solhint-disable-next-line no-inline-assembly
assembly {
calldatacopy(0x0, 0x0, calldatasize())
let success := delegatecall(sub(gas(), 10000), logic, 0x0, calldatasize(), 0, 0)
let retSz := returndatasize()
returndatacopy(0, 0, retSz)
switch success
case 0 {
revert(0, retSz)
}
default {
return(0, retSz)
}
}
}
}
// SPDX-License-Identifier: GPL-3.0
//
// :+#####%%%%%%%%%%%%%%+
// .-*@@@%+.:+%@@@@@%%#***%@@%=
// :=*%@@@#=. :#@@% *@@@%=
// .-+*%@%*-.:+%@@@@@@+. -*+: .=#. :%@@@%-
// :=*@@@@%%@@@@@@@@@%@@@- .=#@@@%@%= =@@@@#.
// -=+#%@@%#*=:. :%@@@@%. -*@@#*@@@@@@@#=:- *@@@@+
// =@@%=:. :=: *@@@@@%#- =%*%@@@@#+-. =+ :%@@@%-
// -@@%. .+@@@ =+=-. @@#- +@@@%- =@@@@%:
// :@@@. .+@@#%: : .=*=-::.-%@@@+*@@= +@@@@#.
// %@@: +@%%* =%@@@@@@@@@@@#. .*@%- +@@@@*.
// #@@= .+@@@@%:=*@@@@@- :%@%: .*@@@@+
// *@@* +@@@#-@@%-:%@@* +@@#. :%@@@@-
// -@@% .:-=++*##%%%@@@@@@@@@@@@*. :@+.@@@%: .#@@+ =@@@@#:
// .@@@*-+*#%%%@@@@@@@@@@@@@@@@%%#**@@%@@@. *@=*@@# :#@%= .#@@@@#-
// -%@@@@@@@@@@@@@@@*+==-:-@@@= *@# .#@*-=*@@@@%= -%@@@* =@@@@@%-
// -+%@@@#. %@%%= -@@:+@: -@@* *@@*-:: -%@@%=. .*@@@@@#
// *@@@* +@* *@@##@@- #@*@@+ -@@= . :+@@@#: .-+@@@%+-
// +@@@%*@@:..=@@@@* .@@@* .#@#. .=+- .=%@@@*. :+#@@@@*=:
// =@@@@%@@@@@@@@@@@@@@@@@@@@@@%- :+#*. :*@@@%=. .=#@@@@%+:
// .%@@= ..... .=#@@+. .#@@@*: -*%@@@@%+.
// +@@#+===---:::... .=%@@*- +@@@+. -*@@@@@%+.
// -@@@@@@@@@@@@@@@@@@@@@@%@@@@= -@@@+ -#@@@@@#=.
// ..:::---===+++***###%%%@@@#- .#@@+ -*@@@@@#=.
// @@@@@@+. +@@*. .+@@@@@%=.
// -@@@@@= =@@%: -#@@@@%+.
// +@@@@@. =@@@= .+@@@@@*:
// #@@@@#:%@@#. :*@@@@#-
// @@@@@%@@@= :#@@@@+.
// :@@@@@@@#.:#@@@%-
// +@@@@@@-.*@@@*:
// #@@@@#.=@@@+.
// @@@@+-%@%=
// :@@@#%@%=
// +@@@@%-
// :#%%=
//
/**
* NOTICE
*
* The T-REX software is licensed under a proprietary license or the GPL v.3.
* If you choose to receive it under the GPL v.3 license, the following applies:
* T-REX is a suite of smart contracts implementing the ERC-3643 standard and
* developed by Tokeny to manage and transfer financial assets on EVM blockchains
*
* Copyright (C) 2023, Tokeny sàrl.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
pragma solidity 0.8.17;
interface IProxy {
/// events
event ImplementationAuthoritySet(address indexed _implementationAuthority);
/// functions
function setImplementationAuthority(address _newImplementationAuthority) external;
function getImplementationAuthority() external view returns(address);
}
// SPDX-License-Identifier: GPL-3.0
//
// :+#####%%%%%%%%%%%%%%+
// .-*@@@%+.:+%@@@@@%%#***%@@%=
// :=*%@@@#=. :#@@% *@@@%=
// .-+*%@%*-.:+%@@@@@@+. -*+: .=#. :%@@@%-
// :=*@@@@%%@@@@@@@@@%@@@- .=#@@@%@%= =@@@@#.
// -=+#%@@%#*=:. :%@@@@%. -*@@#*@@@@@@@#=:- *@@@@+
// =@@%=:. :=: *@@@@@%#- =%*%@@@@#+-. =+ :%@@@%-
// -@@%. .+@@@ =+=-. @@#- +@@@%- =@@@@%:
// :@@@. .+@@#%: : .=*=-::.-%@@@+*@@= +@@@@#.
// %@@: +@%%* =%@@@@@@@@@@@#. .*@%- +@@@@*.
// #@@= .+@@@@%:=*@@@@@- :%@%: .*@@@@+
// *@@* +@@@#-@@%-:%@@* +@@#. :%@@@@-
// -@@% .:-=++*##%%%@@@@@@@@@@@@*. :@+.@@@%: .#@@+ =@@@@#:
// .@@@*-+*#%%%@@@@@@@@@@@@@@@@%%#**@@%@@@. *@=*@@# :#@%= .#@@@@#-
// -%@@@@@@@@@@@@@@@*+==-:-@@@= *@# .#@*-=*@@@@%= -%@@@* =@@@@@%-
// -+%@@@#. %@%%= -@@:+@: -@@* *@@*-:: -%@@%=. .*@@@@@#
// *@@@* +@* *@@##@@- #@*@@+ -@@= . :+@@@#: .-+@@@%+-
// +@@@%*@@:..=@@@@* .@@@* .#@#. .=+- .=%@@@*. :+#@@@@*=:
// =@@@@%@@@@@@@@@@@@@@@@@@@@@@%- :+#*. :*@@@%=. .=#@@@@%+:
// .%@@= ..... .=#@@+. .#@@@*: -*%@@@@%+.
// +@@#+===---:::... .=%@@*- +@@@+. -*@@@@@%+.
// -@@@@@@@@@@@@@@@@@@@@@@%@@@@= -@@@+ -#@@@@@#=.
// ..:::---===+++***###%%%@@@#- .#@@+ -*@@@@@#=.
// @@@@@@+. +@@*. .+@@@@@%=.
// -@@@@@= =@@%: -#@@@@%+.
// +@@@@@. =@@@= .+@@@@@*:
// #@@@@#:%@@#. :*@@@@#-
// @@@@@%@@@= :#@@@@+.
// :@@@@@@@#.:#@@@%-
// +@@@@@@-.*@@@*:
// #@@@@#.=@@@+.
// @@@@+-%@%=
// :@@@#%@%=
// +@@@@%-
// :#%%=
//
/**
* NOTICE
*
* The T-REX software is licensed under a proprietary license or the GPL v.3.
* If you choose to receive it under the GPL v.3 license, the following applies:
* T-REX is a suite of smart contracts implementing the ERC-3643 standard and
* developed by Tokeny to manage and transfer financial assets on EVM blockchains
*
* Copyright (C) 2023, Tokeny sàrl.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
pragma solidity 0.8.17;
interface ITREXImplementationAuthority {
/// types
struct TREXContracts {
// address of token implementation contract
address tokenImplementation;
// address of ClaimTopicsRegistry implementation contract
address ctrImplementation;
// address of IdentityRegistry implementation contract
address irImplementation;
// address of IdentityRegistryStorage implementation contract
address irsImplementation;
// address of TrustedIssuersRegistry implementation contract
address tirImplementation;
// address of ModularCompliance implementation contract
address mcImplementation;
}
struct Version {
// major version
uint8 major;
// minor version
uint8 minor;
// patch version
uint8 patch;
}
/// events
/// event emitted when a new TREX version is added to the contract memory
event TREXVersionAdded(Version indexed version, TREXContracts indexed trex);
/// event emitted when a new TREX version is fetched from reference contract by auxiliary contract
event TREXVersionFetched(Version indexed version, TREXContracts indexed trex);
/// event emitted when the current version is updated
event VersionUpdated(Version indexed version);
/// event emitted by the constructor when the IA is deployed
event ImplementationAuthoritySet(bool referenceStatus, address trexFactory);
/// event emitted when the TREX factory address is set
event TREXFactorySet(address indexed trexFactory);
/// event emitted when the IA factory address is set
event IAFactorySet(address indexed iaFactory);
/// event emitted when a token issuer decides to change current IA for a new one
event ImplementationAuthorityChanged(address indexed _token, address indexed _newImplementationAuthority);
/// functions
/**
* @dev allows to fetch a TREX version available on the reference contract
* can be called only from auxiliary contracts, not on reference (main) contract
* throws if the version was already fetched
* adds the new version on the local storage
* allowing the update of contracts through the `useTREXVersion` afterwards
*/
function fetchVersion(Version calldata _version) external;
/**
* @dev setter for _trexFactory variable
* _trexFactory is set at deployment for auxiliary contracts
* for main contract it must be set post-deployment as main IA is
* deployed before the TREXFactory.
* @param trexFactory the address of TREXFactory contract
* emits a TREXFactorySet event
* only Owner can call
* can be called only on main contract, auxiliary contracts cannot call
*/
function setTREXFactory(address trexFactory) external;
/**
* @dev setter for _iaFactory variable
* _iaFactory is set at zero address for auxiliary contracts
* for main contract it can be set post-deployment or at deployment
* in the constructor
* @param iaFactory the address of IAFactory contract
* emits a IAFactorySet event
* only Owner can call
* can be called only on main contract, auxiliary contracts cannot call
*/
function setIAFactory(address iaFactory) external;
/**
* @dev adds a new Version of TREXContracts to the mapping
* only callable on the reference contract
* only Owner can call this function
* @param _version the new version to add to the mapping
* @param _trex the list of contracts corresponding to the new version
* _trex cannot contain zero addresses
* emits a `TREXVersionAdded` event
*/
function addTREXVersion(Version calldata _version, TREXContracts calldata _trex) external;
/**
* @dev updates the current version in use by the proxies
* variation of the `useTREXVersion` allowing to use a new version
* this function calls in a single transaction the `addTREXVersion`
* and the `useTREXVersion` using an existing version
* @param _version the version to use
* @param _trex the set of contracts corresponding to the version
* only Owner can call (check performed in addTREXVersion)
* only reference contract can call (check performed in addTREXVersion)
* emits a `TREXVersionAdded`event
* emits a `VersionUpdated` event
*/
function addAndUseTREXVersion(Version calldata _version, TREXContracts calldata _trex) external;
/**
* @dev updates the current version in use by the proxies
* @param _version the version to use
* reverts if _version is already used or if version does not exist
* only Owner can call
* emits a `VersionUpdated` event
*/
function useTREXVersion(Version calldata _version) external;
/**
* @dev change the implementationAuthority address of all proxy contracts linked to a given token
* only the owner of all proxy contracts can call this function
* @param _token the address of the token proxy
* @param _newImplementationAuthority the address of the new IA contract
* caller has to be owner of all contracts linked to the token and impacted by the change
* Set _newImplementationAuthority on zero address to deploy a new IA contract
* New IA contracts can only be deployed ONCE per token and only if current IA is the main IA
* if _newImplementationAuthority is not a new contract it must be using the same version
* as the current IA contract.
* calls `setImplementationAuthority` on all proxies linked to the token
* emits a `ImplementationAuthorityChanged` event
*/
function changeImplementationAuthority(address _token, address _newImplementationAuthority) external;
/**
* @dev getter function returning the current version of contracts used by proxies
*/
function getCurrentVersion() external view returns (Version memory);
/**
* @dev getter function returning the contracts corresponding to a version
* @param _version the version that contracts are requested for
*/
function getContracts(Version calldata _version) external view returns (TREXContracts memory);
/**
* @dev getter function returning address of reference TREX factory
*/
function getTREXFactory() external view returns (address);
/**
* @dev getter function returning address of token contract implementation
* currently used by the proxies using this TREXImplementationAuthority
*/
function getTokenImplementation() external view returns (address);
/**
* @dev getter function returning address of ClaimTopicsRegistry contract implementation
* currently used by the proxies using this TREXImplementationAuthority
*/
function getCTRImplementation() external view returns (address);
/**
* @dev getter function returning address of IdentityRegistry contract implementation
* currently used by the proxies using this TREXImplementationAuthority
*/
function getIRImplementation() external view returns (address);
/**
* @dev getter function returning address of IdentityRegistryStorage contract implementation
* currently used by the proxies using this TREXImplementationAuthority
*/
function getIRSImplementation() external view returns (address);
/**
* @dev getter function returning address of TrustedIssuersRegistry contract implementation
* currently used by the proxies using this TREXImplementationAuthority
*/
function getTIRImplementation() external view returns (address);
/**
* @dev getter function returning address of ModularCompliance contract implementation
* currently used by the proxies using this TREXImplementationAuthority
*/
function getMCImplementation() external view returns (address);
/**
* @dev returns true if the contract is the main contract
* returns false if the contract is an auxiliary contract
*/
function isReferenceContract() external view returns (bool);
/**
* @dev getter for reference contract address
*/
function getReferenceContract() external view returns (address);
}
// SPDX-License-Identifier: GPL-3.0
//
// :+#####%%%%%%%%%%%%%%+
// .-*@@@%+.:+%@@@@@%%#***%@@%=
// :=*%@@@#=. :#@@% *@@@%=
// .-+*%@%*-.:+%@@@@@@+. -*+: .=#. :%@@@%-
// :=*@@@@%%@@@@@@@@@%@@@- .=#@@@%@%= =@@@@#.
// -=+#%@@%#*=:. :%@@@@%. -*@@#*@@@@@@@#=:- *@@@@+
// =@@%=:. :=: *@@@@@%#- =%*%@@@@#+-. =+ :%@@@%-
// -@@%. .+@@@ =+=-. @@#- +@@@%- =@@@@%:
// :@@@. .+@@#%: : .=*=-::.-%@@@+*@@= +@@@@#.
// %@@: +@%%* =%@@@@@@@@@@@#. .*@%- +@@@@*.
// #@@= .+@@@@%:=*@@@@@- :%@%: .*@@@@+
// *@@* +@@@#-@@%-:%@@* +@@#. :%@@@@-
// -@@% .:-=++*##%%%@@@@@@@@@@@@*. :@+.@@@%: .#@@+ =@@@@#:
// .@@@*-+*#%%%@@@@@@@@@@@@@@@@%%#**@@%@@@. *@=*@@# :#@%= .#@@@@#-
// -%@@@@@@@@@@@@@@@*+==-:-@@@= *@# .#@*-=*@@@@%= -%@@@* =@@@@@%-
// -+%@@@#. %@%%= -@@:+@: -@@* *@@*-:: -%@@%=. .*@@@@@#
// *@@@* +@* *@@##@@- #@*@@+ -@@= . :+@@@#: .-+@@@%+-
// +@@@%*@@:..=@@@@* .@@@* .#@#. .=+- .=%@@@*. :+#@@@@*=:
// =@@@@%@@@@@@@@@@@@@@@@@@@@@@%- :+#*. :*@@@%=. .=#@@@@%+:
// .%@@= ..... .=#@@+. .#@@@*: -*%@@@@%+.
// +@@#+===---:::... .=%@@*- +@@@+. -*@@@@@%+.
// -@@@@@@@@@@@@@@@@@@@@@@%@@@@= -@@@+ -#@@@@@#=.
// ..:::---===+++***###%%%@@@#- .#@@+ -*@@@@@#=.
// @@@@@@+. +@@*. .+@@@@@%=.
// -@@@@@= =@@%: -#@@@@%+.
// +@@@@@. =@@@= .+@@@@@*:
// #@@@@#:%@@#. :*@@@@#-
// @@@@@%@@@= :#@@@@+.
// :@@@@@@@#.:#@@@%-
// +@@@@@@-.*@@@*:
// #@@@@#.=@@@+.
// @@@@+-%@%=
// :@@@#%@%=
// +@@@@%-
// :#%%=
//
/**
* NOTICE
*
* The T-REX software is licensed under a proprietary license or the GPL v.3.
* If you choose to receive it under the GPL v.3 license, the following applies:
* T-REX is a suite of smart contracts implementing the ERC-3643 standard and
* developed by Tokeny to manage and transfer financial assets on EVM blockchains
*
* Copyright (C) 2023, Tokeny sàrl.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
pragma solidity 0.8.17;
import "./interface/IProxy.sol";
import "./authority/ITREXImplementationAuthority.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
abstract contract AbstractProxy is IProxy, Initializable {
/**
* @dev See {IProxy-setImplementationAuthority}.
*/
function setImplementationAuthority(address _newImplementationAuthority) external override {
require(msg.sender == getImplementationAuthority(), "only current implementationAuthority can call");
require(_newImplementationAuthority != address(0), "invalid argument - zero address");
require(
(ITREXImplementationAuthority(_newImplementationAuthority)).getTokenImplementation() != address(0)
&& (ITREXImplementationAuthority(_newImplementationAuthority)).getCTRImplementation() != address(0)
&& (ITREXImplementationAuthority(_newImplementationAuthority)).getIRImplementation() != address(0)
&& (ITREXImplementationAuthority(_newImplementationAuthority)).getIRSImplementation() != address(0)
&& (ITREXImplementationAuthority(_newImplementationAuthority)).getMCImplementation() != address(0)
&& (ITREXImplementationAuthority(_newImplementationAuthority)).getTIRImplementation() != address(0)
, "invalid Implementation Authority");
_storeImplementationAuthority(_newImplementationAuthority);
emit ImplementationAuthoritySet(_newImplementationAuthority);
}
/**
* @dev See {IProxy-getImplementationAuthority}.
*/
function getImplementationAuthority() public override view returns(address) {
address implemAuth;
// solhint-disable-next-line no-inline-assembly
assembly {
implemAuth := sload(0xc5f16f0fcc639fa48a6947836d9850f504798523bf8c9a3a87d5876cf622bcf7)
}
return implemAuth;
}
/**
* @dev store the implementationAuthority contract address using the ERC-1822 implementation slot in storage
*/
function _storeImplementationAuthority(address implementationAuthority) internal {
// solhint-disable-next-line no-inline-assembly
assembly {
sstore(0xc5f16f0fcc639fa48a6947836d9850f504798523bf8c9a3a87d5876cf622bcf7, implementationAuthority)
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @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
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 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 functionCallWithValue(target, data, 0, "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");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or 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 {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// 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
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.1) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.2;
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 proxied contracts do not make use of 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.
*
* The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
* reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
* case an upgrade adds a module that needs to be initialized.
*
* For example:
*
* [.hljs-theme-light.nopadding]
* ```
* contract MyToken is ERC20Upgradeable {
* function initialize() initializer public {
* __ERC20_init("MyToken", "MTK");
* }
* }
* contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
* function initializeV2() reinitializer(2) public {
* __ERC20Permit_init("MyToken");
* }
* }
* ```
*
* 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 prevent the implementation contract from being used, you should invoke
* the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() {
* _disableInitializers();
* }
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
* @custom:oz-retyped-from bool
*/
uint8 private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Triggered when the contract has been initialized or reinitialized.
*/
event Initialized(uint8 version);
/**
* @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
* `onlyInitializing` functions can be used to initialize parent contracts.
*
* Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
* constructor.
*
* Emits an {Initialized} event.
*/
modifier initializer() {
bool isTopLevelCall = !_initializing;
require(
(isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
"Initializable: contract is already initialized"
);
_initialized = 1;
if (isTopLevelCall) {
_initializing = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
emit Initialized(1);
}
}
/**
* @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
* contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
* used to initialize parent contracts.
*
* A reinitializer may be used after the original initialization step. This is essential to configure modules that
* are added through upgrades and that require initialization.
*
* When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
* cannot be nested. If one is invoked in the context of another, execution will revert.
*
* Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
* a contract, executing them in the right order is up to the developer or operator.
*
* WARNING: setting the version to 255 will prevent any future reinitialization.
*
* Emits an {Initialized} event.
*/
modifier reinitializer(uint8 version) {
require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
_initialized = version;
_initializing = true;
_;
_initializing = false;
emit Initialized(version);
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} and {reinitializer} modifiers, directly or indirectly.
*/
modifier onlyInitializing() {
require(_initializing, "Initializable: contract is not initializing");
_;
}
/**
* @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
* Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
* to any version. It is recommended to use this to lock implementation contracts that are designed to be called
* through proxies.
*
* Emits an {Initialized} event the first time it is successfully executed.
*/
function _disableInitializers() internal virtual {
require(!_initializing, "Initializable: contract is initializing");
if (_initialized < type(uint8).max) {
_initialized = type(uint8).max;
emit Initialized(type(uint8).max);
}
}
/**
* @dev Returns the highest version that has been initialized. See {reinitializer}.
*/
function _getInitializedVersion() internal view returns (uint8) {
return _initialized;
}
/**
* @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
*/
function _isInitializing() internal view returns (bool) {
return _initializing;
}
}