Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
- Contract name:
- SupraOraclePull
- Optimization enabled
- true
- Compiler version
- v0.8.24+commit.e11b9ed9
- Optimization runs
- 200
- Verified at
- 2024-08-09T12:11:31.405077Z
src/SupraOraclePull_V2.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.24;
import "./SupraErrors.sol";
import "./Smr.sol";
import "./BytesLib.sol";
import {ISupraSValueFeed} from "./ISupraSValueFeed.sol";
import {ISupraSValueFeedVerifier} from "./ISupraSValueFeedVerifier.sol";
import {UUPSUpgradeable} from "../lib/openzeppelin-contracts/contracts/proxy/utils/UUPSUpgradeable.sol";
import {MerkleProof} from "../lib/openzeppelin-contracts/contracts/utils/cryptography/MerkleProof.sol";
import {EnumerableSetRing} from "./EnumerableSetRing.sol";
import "../lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol";
import {Ownable2StepUpgradeable} from "../lib/openzeppelin-contracts-upgradeable/contracts/access/Ownable2StepUpgradeable.sol";
/// @title Supra Oracle Pull Model Contract
/// @notice This contract verifies DORA committee Price feeds and returns the price data to the caller
/// @notice The contract does not make assumptions about its owner, but its recommended to be a multisig wallet
contract SupraOraclePull is UUPSUpgradeable, Ownable2StepUpgradeable {
using EnumerableSetRing for EnumerableSetRing.EnumerableSetRing;
/// @notice Push Based Supra Svalue Feed Storage contract
/// @dev This is used to check if a pair is stale
ISupraSValueFeed internal supraSValueFeedStorage;
ISupraSValueFeedVerifier internal supraSValueVerifier;
// Max Future time is 3sec from the current block time.
uint256 public constant TIME_DELTA_ALLOWANCE = 3000;
/// Conversion factor between millisecond and second
uint256 public constant MILLISECOND_CONVERSION_FACTOR = 1000;
EnumerableSetRing.EnumerableSetRing private merkleSet;
event SupraSValueFeedUpdated(address supraSValueFeedStorage);
event SupraSValueVerifierUpdated(address supraSValueVerifier);
event PriceUpdate(uint256[] pairs, uint256[] prices, uint256[] updateMask);
/// @notice Price Pair Feed From Oracle Committee
struct CommitteeFeed {
uint32 pair;
uint128 price;
uint64 timestamp;
uint16 decimals;
uint64 round;
}
/// @notice Oracle Committee Pair Price Feed with Merkle proofs of the pair
struct CommitteeFeedWithProof {
CommitteeFeed[] committee_feeds;
bytes32[] proofs;
bool[] flags;
}
/// @notice Multiple Pair Price with Merkle Proof along with Committee details
struct PriceDetailsWithCommittee {
uint64 committee_id;
bytes32 root;
// DORA committee signature on the merkle root
uint256[2] sigs;
CommitteeFeedWithProof committee_data;
}
/// @notice Proof for verifying and extracting pairs from DORA committee feeds for Multiple Committees
struct OracleProofV2 {
PriceDetailsWithCommittee[] data;
}
/// @notice Verified price data
struct PriceData {
// List of pairs
uint256[] pairs;
// List of prices
// prices[i] is the price of pairs[i]
uint256[] prices;
// List of decimals
// decimals[i] is the decimals of pairs[i]
uint256[] decimal;
}
/// @notice Verified price data
struct PriceInfo {
// List of pairs
uint256[] pairs;
// List of prices
// prices[i] is the price of pairs[i]
uint256[] prices;
// List of timestamp
// timestamp[i] is the timestamp of pairs[i]
uint256[] timestamp;
// List of decimals
// decimals[i] is the decimals of pairs[i]
uint256[] decimal;
// List of round
// round[i] is the round of pairs[i]
uint256[] round;
}
/// @notice Helper function for upgradeability
/// @dev While upgrading using UUPS proxy interface, when we call upgradeTo(address) function
/// @dev we need to check that only owner can upgrade
/// @param newImplementation address of the new implementation contract
function _authorizeUpgrade(address newImplementation) internal virtual override onlyOwner {}
function initialize(address _supraSValueFeedStorage, address _supraSValueVerifier) public initializer {
Ownable2StepUpgradeable.__Ownable2Step_init();
_updateSupraSValueFeedInitLevel(ISupraSValueFeed(_supraSValueFeedStorage));
_updateSupraSValueVerifierInitLevel(ISupraSValueFeedVerifier(_supraSValueVerifier));
}
/// @notice Verify Oracle Pairs
/// @dev throws error if proof is invalid
/// @dev Stale price data is marked
/// @param _bytesProof The oracle proof to extract the pairs from
function verifyOracleProof(bytes calldata _bytesProof) external returns (PriceData memory) {
OracleProofV2 memory oracle = abi.decode(_bytesProof, (OracleProofV2));
uint256 paircnt;
for (uint256 i; i < oracle.data.length; ++i) {
paircnt += oracle.data[i].committee_data.committee_feeds.length;
if (merkleSet.contains(oracle.data[i].root)) {
continue;
}
requireRootVerified(oracle.data[i].root, oracle.data[i].sigs, oracle.data[i].committee_id);
if (!merkleSet.set(oracle.data[i].root)) {
revert RootIsZero();
}
}
uint256[] memory updateMask = new uint256[](paircnt);
PriceData memory priceData = PriceData(new uint256[](paircnt), new uint256[](paircnt), new uint256[](paircnt));
uint256 pair_map = 0;
uint256 maxFutureTimestamp = block.timestamp * MILLISECOND_CONVERSION_FACTOR + TIME_DELTA_ALLOWANCE;
for (uint256 a = 0; a < oracle.data.length;) {
verifyMultileafMerkleProof(oracle.data[a].committee_data, oracle.data[a].root);
for (uint256 b = 0; b < oracle.data[a].committee_data.committee_feeds.length;) {
priceData.pairs[pair_map] = oracle.data[a].committee_data.committee_feeds[b].pair;
uint256 lastRound =
supraSValueFeedStorage.getRound(uint256(oracle.data[a].committee_data.committee_feeds[b].pair));
if (
oracle.data[a].committee_data.committee_feeds[b].round > lastRound
&& oracle.data[a].committee_data.committee_feeds[b].round <= maxFutureTimestamp
) {
packData(
oracle.data[a].committee_data.committee_feeds[b].pair,
oracle.data[a].committee_data.committee_feeds[b].round,
oracle.data[a].committee_data.committee_feeds[b].decimals,
oracle.data[a].committee_data.committee_feeds[b].timestamp,
oracle.data[a].committee_data.committee_feeds[b].price
);
priceData.prices[pair_map] = oracle.data[a].committee_data.committee_feeds[b].price;
priceData.decimal[pair_map] = oracle.data[a].committee_data.committee_feeds[b].decimals;
updateMask[pair_map] = 1;
} else if (oracle.data[a].committee_data.committee_feeds[b].round > maxFutureTimestamp) {
revert IncorrectFutureUpdate(
oracle.data[a].committee_data.committee_feeds[b].round - block.timestamp * MILLISECOND_CONVERSION_FACTOR
);
} else if (oracle.data[a].committee_data.committee_feeds[b].round < lastRound) {
ISupraSValueFeed.priceFeed memory value =
supraSValueFeedStorage.getSvalue(uint256(oracle.data[a].committee_data.committee_feeds[b].pair));
priceData.prices[pair_map] = value.price;
priceData.decimal[pair_map] = value.decimals;
updateMask[pair_map] = 0;
} else {
priceData.prices[pair_map] = oracle.data[a].committee_data.committee_feeds[b].price;
priceData.decimal[pair_map] = oracle.data[a].committee_data.committee_feeds[b].decimals;
updateMask[pair_map] = 0;
}
unchecked {
++b;
++pair_map;
}
}
unchecked {
++a;
}
}
emit PriceUpdate(priceData.pairs, priceData.prices, updateMask);
return priceData;
}
/// @notice Verify Oracle Pairs
/// @dev throws error if proof is invalid
/// @dev Stale price data is marked
/// @param _bytesProof The oracle proof to extract the pairs from
function verifyOracleProofV2(bytes calldata _bytesProof) external returns (PriceInfo memory) {
OracleProofV2 memory oracle = abi.decode(_bytesProof, (OracleProofV2));
uint256 paircnt = 0;
for (uint256 i; i < oracle.data.length; ++i) {
paircnt += oracle.data[i].committee_data.committee_feeds.length;
if (merkleSet.contains(oracle.data[i].root)) {
continue;
}
requireRootVerified(oracle.data[i].root, oracle.data[i].sigs, oracle.data[i].committee_id);
if (!merkleSet.set(oracle.data[i].root)) {
revert RootIsZero();
}
}
uint256[] memory updateMask = new uint256[](paircnt);
PriceInfo memory priceData = PriceInfo(
new uint256[](paircnt),
new uint256[](paircnt),
new uint256[](paircnt),
new uint256[](paircnt),
new uint256[](paircnt)
);
uint256 pair_map = 0;
uint256 maxFutureTimestamp = block.timestamp * MILLISECOND_CONVERSION_FACTOR + TIME_DELTA_ALLOWANCE;
for (uint256 a = 0; a < oracle.data.length;) {
verifyMultileafMerkleProof(oracle.data[a].committee_data, oracle.data[a].root);
for (uint256 b = 0; b < oracle.data[a].committee_data.committee_feeds.length;) {
priceData.pairs[pair_map] = oracle.data[a].committee_data.committee_feeds[b].pair;
uint256 lastRound =
supraSValueFeedStorage.getRound(uint256(oracle.data[a].committee_data.committee_feeds[b].pair));
if (
oracle.data[a].committee_data.committee_feeds[b].round > lastRound
&& oracle.data[a].committee_data.committee_feeds[b].round <= maxFutureTimestamp
) {
packData(
oracle.data[a].committee_data.committee_feeds[b].pair,
oracle.data[a].committee_data.committee_feeds[b].round,
oracle.data[a].committee_data.committee_feeds[b].decimals,
oracle.data[a].committee_data.committee_feeds[b].timestamp,
oracle.data[a].committee_data.committee_feeds[b].price
);
priceData.prices[pair_map] = oracle.data[a].committee_data.committee_feeds[b].price;
priceData.round[pair_map] = oracle.data[a].committee_data.committee_feeds[b].round;
priceData.timestamp[pair_map] = oracle.data[a].committee_data.committee_feeds[b].timestamp;
priceData.decimal[pair_map] = oracle.data[a].committee_data.committee_feeds[b].decimals;
updateMask[pair_map] = 1;
} else if (oracle.data[a].committee_data.committee_feeds[b].round > maxFutureTimestamp) {
revert IncorrectFutureUpdate(
oracle.data[a].committee_data.committee_feeds[b].round - block.timestamp * MILLISECOND_CONVERSION_FACTOR
);
} else if (oracle.data[a].committee_data.committee_feeds[b].round < lastRound) {
ISupraSValueFeed.priceFeed memory value =
supraSValueFeedStorage.getSvalue(uint256(oracle.data[a].committee_data.committee_feeds[b].pair));
priceData.prices[pair_map] = value.price;
priceData.round[pair_map] = lastRound;
priceData.timestamp[pair_map] = value.time;
priceData.decimal[pair_map] = value.decimals;
updateMask[pair_map] = 0;
} else {
priceData.prices[pair_map] = oracle.data[a].committee_data.committee_feeds[b].price;
priceData.round[pair_map] = oracle.data[a].committee_data.committee_feeds[b].round;
priceData.timestamp[pair_map] = oracle.data[a].committee_data.committee_feeds[b].timestamp;
priceData.decimal[pair_map] = oracle.data[a].committee_data.committee_feeds[b].decimals;
updateMask[pair_map] = 0;
}
unchecked {
++b;
++pair_map;
}
}
unchecked {
++a;
}
}
emit PriceUpdate(priceData.pairs, priceData.prices, updateMask);
return priceData;
}
/// @notice Verify Oracle Pairs
/// @dev throws error if proof is invalid
/// @dev Stale price data is marked
/// @param oracle The oracle proof to extract the pairs from
function verifyOracleProofV2(OracleProofV2 calldata oracle) public returns (PriceInfo memory) {
uint256 paircnt = 0;
for (uint256 i; i < oracle.data.length; ++i) {
paircnt += oracle.data[i].committee_data.committee_feeds.length;
if (merkleSet.contains(oracle.data[i].root)) {
continue;
}
requireRootVerified(oracle.data[i].root, oracle.data[i].sigs, oracle.data[i].committee_id);
if (!merkleSet.set(oracle.data[i].root)) {
revert RootIsZero();
}
}
uint256[] memory updateMask = new uint256[](paircnt);
PriceInfo memory priceData = PriceInfo(
new uint256[](paircnt),
new uint256[](paircnt),
new uint256[](paircnt),
new uint256[](paircnt),
new uint256[](paircnt)
);
uint256 pair_map = 0;
uint256 maxFutureTimestamp = block.timestamp * MILLISECOND_CONVERSION_FACTOR + TIME_DELTA_ALLOWANCE;
for (uint256 a = 0; a < oracle.data.length;) {
verifyMultileafMerkleProof(oracle.data[a].committee_data, oracle.data[a].root);
for (uint256 b = 0; b < oracle.data[a].committee_data.committee_feeds.length;) {
priceData.pairs[pair_map] = oracle.data[a].committee_data.committee_feeds[b].pair;
uint256 lastRound =
supraSValueFeedStorage.getRound(uint256(oracle.data[a].committee_data.committee_feeds[b].pair));
if (
oracle.data[a].committee_data.committee_feeds[b].round > lastRound
&& oracle.data[a].committee_data.committee_feeds[b].round <= maxFutureTimestamp
) {
packData(
oracle.data[a].committee_data.committee_feeds[b].pair,
oracle.data[a].committee_data.committee_feeds[b].round,
oracle.data[a].committee_data.committee_feeds[b].decimals,
oracle.data[a].committee_data.committee_feeds[b].timestamp,
oracle.data[a].committee_data.committee_feeds[b].price
);
priceData.prices[pair_map] = oracle.data[a].committee_data.committee_feeds[b].price;
priceData.round[pair_map] = oracle.data[a].committee_data.committee_feeds[b].round;
priceData.timestamp[pair_map] = oracle.data[a].committee_data.committee_feeds[b].timestamp;
priceData.decimal[pair_map] = oracle.data[a].committee_data.committee_feeds[b].decimals;
updateMask[pair_map] = 1;
} else if (oracle.data[a].committee_data.committee_feeds[b].round > maxFutureTimestamp) {
revert IncorrectFutureUpdate(
oracle.data[a].committee_data.committee_feeds[b].round - block.timestamp * MILLISECOND_CONVERSION_FACTOR
);
} else if (oracle.data[a].committee_data.committee_feeds[b].round < lastRound) {
ISupraSValueFeed.priceFeed memory value =
supraSValueFeedStorage.getSvalue(uint256(oracle.data[a].committee_data.committee_feeds[b].pair));
priceData.prices[pair_map] = value.price;
priceData.round[pair_map] = lastRound;
priceData.timestamp[pair_map] = value.time;
priceData.decimal[pair_map] = value.decimals;
updateMask[pair_map] = 0;
} else {
priceData.prices[pair_map] = oracle.data[a].committee_data.committee_feeds[b].price;
priceData.round[pair_map] = oracle.data[a].committee_data.committee_feeds[b].round;
priceData.timestamp[pair_map] = oracle.data[a].committee_data.committee_feeds[b].timestamp;
priceData.decimal[pair_map] = oracle.data[a].committee_data.committee_feeds[b].decimals;
updateMask[pair_map] = 0;
}
unchecked {
++b;
++pair_map;
}
}
unchecked {
++a;
}
}
emit PriceUpdate(priceData.pairs, priceData.prices, updateMask);
return priceData;
}
/// @notice It helps to pack many data points into one single word (32 bytes)
/// @dev This function will take the required parameters, Will shift the value to its specific position
/// @dev For concatenating one value with another we are using unary OR operator
/// @dev Saving the Packed data into the SupraStorage Contract
/// @param _pair Pair identifier of the token pair
/// @param _round Round on which DORA nodes collects and post the pair data
/// @param _decimals Number of decimals that the price of the pair supports
/// @param _price Price of the pair
/// @param _time Last updated timestamp of the pair
function packData(uint256 _pair, uint256 _round, uint256 _decimals, uint256 _time, uint256 _price) internal {
uint256 r = uint256(_round) << 192;
r = r | _decimals << 184;
r = r | _time << 120;
r = r | _price << 24;
supraSValueFeedStorage.restrictedSetSupraStorage(_pair, bytes32(r));
}
/// @notice helper function to verify the multileaf merkle proof with the root
function verifyMultileafMerkleProof(CommitteeFeedWithProof memory oracle, bytes32 root) private pure {
bytes32[] memory leaf_hashes = new bytes32[](oracle.committee_feeds.length);
bytes4 pair_le;
bytes16 price_le;
bytes8 timestamp_le;
bytes2 decimals_le;
bytes8 round_le;
for (uint256 i = 0; i < oracle.committee_feeds.length; i++) {
pair_le = BytesLib.betole_4(bytes4(abi.encodePacked(oracle.committee_feeds[i].pair)));
price_le = BytesLib.betole_16(bytes16(abi.encodePacked(oracle.committee_feeds[i].price)));
timestamp_le = BytesLib.betole_8(bytes8(abi.encodePacked(oracle.committee_feeds[i].timestamp)));
decimals_le = BytesLib.betole_2(bytes2(abi.encodePacked(oracle.committee_feeds[i].decimals)));
round_le = BytesLib.betole_8(bytes8(abi.encodePacked(oracle.committee_feeds[i].round)));
leaf_hashes[i] = keccak256(abi.encodePacked(pair_le, price_le, timestamp_le, decimals_le, round_le));
}
if (MerkleProof.multiProofVerify(oracle.proofs,oracle.flags, root, leaf_hashes) == false) {
revert InvalidProof();
}
}
/// @notice Internal Function to check for zero address
function _ensureNonZeroAddress(address contract_) private pure {
if (contract_ == address(0)) {
revert ZeroAddress();
}
}
/// @notice Helper Function to update the supraSValueFeedStorage Contract address during contract initialization
/// @param supraSValueFeed new supraSValueFeed
function _updateSupraSValueFeedInitLevel(ISupraSValueFeed supraSValueFeed) private {
_ensureNonZeroAddress(address(supraSValueFeed));
supraSValueFeedStorage = supraSValueFeed;
emit SupraSValueFeedUpdated(address(supraSValueFeed));
}
/// @notice Helper Function to update the supraSvalueVerifier Contract address during contract initialization
/// @param supraSvalueVerifier new supraSvalueVerifier Contract address
function _updateSupraSValueVerifierInitLevel(ISupraSValueFeedVerifier supraSvalueVerifier) private {
_ensureNonZeroAddress(address(supraSvalueVerifier));
supraSValueVerifier = supraSvalueVerifier;
emit SupraSValueVerifierUpdated(address(supraSvalueVerifier));
}
/// @notice Helper Function to update the supraSValueFeedStorage Contract address in future
/// @param supraSValueFeed new supraSValueFeedStorage Contract address
function updateSupraSValueFeed(ISupraSValueFeed supraSValueFeed) external onlyOwner {
_ensureNonZeroAddress(address(supraSValueFeed));
supraSValueFeedStorage = supraSValueFeed;
emit SupraSValueFeedUpdated(address(supraSValueFeed));
}
/// @notice Helper Function to check for the address of SupraSValueFeedVerifier contract
function checkSupraSValueVerifier() external view returns (address) {
return (address(supraSValueVerifier));
}
///@notice Helper function to check for the address of SupraSValueFeed contract
function checkSupraSValueFeed() external view returns (address) {
return (address(supraSValueFeedStorage));
}
/// @notice Helper Function to update the supraSvalueVerifier Contract address in future
/// @param supraSvalueVerifier new supraSvalueVerifier Contract address
function updateSupraSValueVerifier(ISupraSValueFeedVerifier supraSvalueVerifier) external onlyOwner {
_ensureNonZeroAddress(address(supraSvalueVerifier));
supraSValueVerifier = supraSvalueVerifier;
emit SupraSValueVerifierUpdated(address(supraSvalueVerifier));
}
/// @notice Verify root
/// @dev Requires the provided votes to be verified using SupraSValueFeedVerifierContract contract's authority public key and BLS signature.
/// @param root The root of the merkle tree created using the pair data
/// @param sigs The BLS signature on the root of the merkle tree.
/// @dev This function verifies the BLS signature by calling the SupraSValueFeedVerifierContract that uses BLS precompile contract and checks if the root matches the provided signature.
/// @dev If the signature verification fails or if there is an issue with the BLS precompile contract call, the function reverts with an error.
function requireRootVerified(bytes32 root, uint256[2] memory sigs, uint256 committee_id) internal view {
(bool status,) = address(supraSValueVerifier).staticcall(
abi.encodeCall(ISupraSValueFeedVerifier.requireHashVerified_V2, (root, sigs, committee_id))
);
if (!status) {
revert DataNotVerified();
}
}
}
lib/openzeppelin-contracts/contracts/utils/StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.
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:
* ```solidity
* 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`, `uint256`._
* _Available since v4.9 for `string`, `bytes`._
*/
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
struct StringSlot {
string value;
}
struct BytesSlot {
bytes value;
}
/**
* @dev Returns an `AddressSlot` with member `value` located at `slot`.
*/
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` with member `value` located at `slot`.
*/
function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` representation of the string storage pointer `store`.
*/
function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
/**
* @dev Returns an `BytesSlot` with member `value` located at `slot`.
*/
function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
*/
function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
}
lib/openzeppelin-contracts-upgradeable/contracts/access/Ownable2StepUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol)
pragma solidity ^0.8.0;
import "./OwnableUpgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Contract module which provides 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} and {acceptOwnership}.
*
* This module is used through inheritance. It will make available all functions
* from parent (Ownable).
*/
abstract contract Ownable2StepUpgradeable is Initializable, OwnableUpgradeable {
function __Ownable2Step_init() internal onlyInitializing {
__Ownable_init_unchained();
}
function __Ownable2Step_init_unchained() internal onlyInitializing {
}
address private _pendingOwner;
event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);
/**
* @dev Returns the address of the pending owner.
*/
function pendingOwner() public view virtual returns (address) {
return _pendingOwner;
}
/**
* @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual override onlyOwner {
_pendingOwner = newOwner;
emit OwnershipTransferStarted(owner(), newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual override {
delete _pendingOwner;
super._transferOwnership(newOwner);
}
/**
* @dev The new owner accepts the ownership transfer.
*/
function acceptOwnership() public virtual {
address sender = _msgSender();
require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
_transferOwnership(sender);
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}
lib/openzeppelin-contracts-upgradeable/contracts/access/OwnableUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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 {
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal onlyInitializing {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling 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);
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}
lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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]
* ```solidity
* 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;
}
}
lib/openzeppelin-contracts-upgradeable/contracts/utils/AddressUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [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://consensys.net/diligence/blog/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/v0.8.0/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 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) {
(bool success, bytes memory returndata) = target.delegatecall(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);
}
}
}
lib/openzeppelin-contracts-upgradeable/contracts/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 {
}
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;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}
lib/openzeppelin-contracts/contracts/interfaces/IERC1967.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC1967.sol)
pragma solidity ^0.8.0;
/**
* @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
*
* _Available since v4.8.3._
*/
interface IERC1967 {
/**
* @dev Emitted when the implementation is upgraded.
*/
event Upgraded(address indexed implementation);
/**
* @dev Emitted when the admin account has changed.
*/
event AdminChanged(address previousAdmin, address newAdmin);
/**
* @dev Emitted when the beacon is changed.
*/
event BeaconUpgraded(address indexed beacon);
}
lib/openzeppelin-contracts/contracts/interfaces/draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)
pragma solidity ^0.8.0;
/**
* @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
* proxy whose upgrades are fully controlled by the current implementation.
*/
interface IERC1822Proxiable {
/**
* @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
* address.
*
* IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
* bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
* function revert if invoked through a proxy.
*/
function proxiableUUID() external view returns (bytes32);
}
lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol)
pragma solidity ^0.8.2;
import "../beacon/IBeacon.sol";
import "../../interfaces/IERC1967.sol";
import "../../interfaces/draft-IERC1822.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._
*/
abstract contract ERC1967Upgrade is IERC1967 {
// 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 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 _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal {
// Upgrades from old implementations will perform a rollback test. This test requires the new
// implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
// this special case will break upgrade paths from old UUPS implementation to new ones.
if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
_setImplementation(newImplementation);
} else {
try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
} catch {
revert("ERC1967Upgrade: new implementation is not UUPS");
}
_upgradeToAndCall(newImplementation, data, forceCall);
}
}
/**
* @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 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 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);
}
}
}
lib/openzeppelin-contracts/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);
}
lib/openzeppelin-contracts/contracts/proxy/utils/UUPSUpgradeable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/UUPSUpgradeable.sol)
pragma solidity ^0.8.0;
import "../../interfaces/draft-IERC1822.sol";
import "../ERC1967/ERC1967Upgrade.sol";
/**
* @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
* {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
*
* A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
* reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
* `UUPSUpgradeable` with a custom implementation of upgrades.
*
* The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
*
* _Available since v4.1._
*/
abstract contract UUPSUpgradeable is IERC1822Proxiable, ERC1967Upgrade {
/// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment
address private immutable __self = address(this);
/**
* @dev Check that the execution is being performed through a delegatecall call and that the execution context is
* a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case
* for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a
* function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to
* fail.
*/
modifier onlyProxy() {
require(address(this) != __self, "Function must be called through delegatecall");
require(_getImplementation() == __self, "Function must be called through active proxy");
_;
}
/**
* @dev Check that the execution is not being performed through a delegate call. This allows a function to be
* callable on the implementing contract but not through proxies.
*/
modifier notDelegated() {
require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall");
_;
}
/**
* @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the
* implementation. It is used to validate the implementation's compatibility when performing an upgrade.
*
* IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
* bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
* function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.
*/
function proxiableUUID() external view virtual override notDelegated returns (bytes32) {
return _IMPLEMENTATION_SLOT;
}
/**
* @dev Upgrade the implementation of the proxy to `newImplementation`.
*
* Calls {_authorizeUpgrade}.
*
* Emits an {Upgraded} event.
*
* @custom:oz-upgrades-unsafe-allow-reachable delegatecall
*/
function upgradeTo(address newImplementation) public virtual onlyProxy {
_authorizeUpgrade(newImplementation);
_upgradeToAndCallUUPS(newImplementation, new bytes(0), false);
}
/**
* @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
* encoded in `data`.
*
* Calls {_authorizeUpgrade}.
*
* Emits an {Upgraded} event.
*
* @custom:oz-upgrades-unsafe-allow-reachable delegatecall
*/
function upgradeToAndCall(address newImplementation, bytes memory data) public payable virtual onlyProxy {
_authorizeUpgrade(newImplementation);
_upgradeToAndCallUUPS(newImplementation, data, true);
}
/**
* @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
* {upgradeTo} and {upgradeToAndCall}.
*
* Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
*
* ```solidity
* function _authorizeUpgrade(address) internal override onlyOwner {}
* ```
*/
function _authorizeUpgrade(address newImplementation) internal virtual;
}
lib/openzeppelin-contracts/contracts/utils/Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @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
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [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://consensys.net/diligence/blog/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/v0.8.0/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 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) {
(bool success, bytes memory returndata) = target.delegatecall(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);
}
}
}
lib/openzeppelin-contracts/contracts/utils/cryptography/MerkleProof.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.2) (utils/cryptography/MerkleProof.sol)
pragma solidity ^0.8.0;
/**
* @dev These functions deal with verification of Merkle Tree proofs.
*
* The tree and the proofs can be generated using our
* https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
* You will find a quickstart guide in the readme.
*
* WARNING: You should avoid using leaf values that are 64 bytes long prior to
* hashing, or use a hash function other than keccak256 for hashing leaves.
* This is because the concatenation of a sorted pair of internal nodes in
* the merkle tree could be reinterpreted as a leaf value.
* OpenZeppelin's JavaScript library generates merkle trees that are safe
* against this attack out of the box.
*/
library MerkleProof {
/**
* @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
* defined by `root`. For this, a `proof` must be provided, containing
* sibling hashes on the branch from the leaf to the root of the tree. Each
* pair of leaves and each pair of pre-images are assumed to be sorted.
*/
function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
return processProof(proof, leaf) == root;
}
/**
* @dev Calldata version of {verify}
*
* _Available since v4.7._
*/
function verifyCalldata(bytes32[] calldata proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
return processProofCalldata(proof, leaf) == root;
}
/**
* @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
* from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
* hash matches the root of the tree. When processing the proof, the pairs
* of leafs & pre-images are assumed to be sorted.
*
* _Available since v4.4._
*/
function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Calldata version of {processProof}
*
* _Available since v4.7._
*/
function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
* `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
*
* CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
*
* _Available since v4.7._
*/
function multiProofVerify(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProof(proof, proofFlags, leaves) == root;
}
/**
* @dev Calldata version of {multiProofVerify}
*
* CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
*
* _Available since v4.7._
*/
function multiProofVerifyCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProofCalldata(proof, proofFlags, leaves) == root;
}
/**
* @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
* proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
* leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
* respectively.
*
* CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
* is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
* tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
*
* _Available since v4.7._
*/
function processMultiProof(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 proofLen = proof.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i]
? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
: proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
require(proofPos == proofLen, "MerkleProof: invalid multiproof");
unchecked {
return hashes[totalHashes - 1];
}
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
/**
* @dev Calldata version of {processMultiProof}.
*
* CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
*
* _Available since v4.7._
*/
function processMultiProofCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 proofLen = proof.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i]
? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
: proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
require(proofPos == proofLen, "MerkleProof: invalid multiproof");
unchecked {
return hashes[totalHashes - 1];
}
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
}
function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, a)
mstore(0x20, b)
value := keccak256(0x00, 0x40)
}
}
}
src/BytesLib.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.24;
library BytesLib {
/// @notice Helper function to convert Big Endian 16 bytes Data To Little Endian or vice versa
function betole_16(bytes16 a) internal pure returns (bytes16) {
bytes16 b;
for (uint256 i; i < 16; i++) {
bytes1 c = bytes1(a << (i * 8) & bytes1(0xff));
b = b >> 8 | c;
}
return b;
}
/// @notice Helper function to convert Big Endian 8 bytes Data To Little Endian or vice versa
function betole_8(bytes8 a) internal pure returns (bytes8) {
bytes8 b;
for (uint256 i; i < 8; i++) {
bytes1 c = bytes1(a << (i * 8) & bytes1(0xff));
b = b >> 8 | c;
}
return b;
}
/// @notice Helper function to convert Big Endian 4 bytes Data To Little Endian or vice versa
function betole_4(bytes4 a) internal pure returns (bytes4) {
bytes4 b;
for (uint256 i; i < 4; i++) {
bytes1 c = bytes1(a << (i * 8) & bytes1(0xff));
b = b >> 8 | c;
}
return b;
}
/// @notice Helper function to convert Big Endian 2 bytes Data To Little Endian or vice versa
function betole_2(bytes2 a) internal pure returns (bytes2) {
bytes2 b;
for (uint256 i; i < 2; i++) {
bytes1 c = bytes1(a << (i * 8) & bytes1(0xff));
b = b >> 8 | c;
}
return b;
}
}
src/EnumerableSetRing.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.24;
library EnumerableSetRing {
struct EnumerableSetRing {
bytes32[] list;
uint256 position;
mapping(bytes32 key => uint256 position) map;
}
uint256 public constant MAX_BUFFER_SIZE = 1000;
/**
* @dev Adds a key-value pair to a Set, or updates the value for an existing
* key. O(1).
*
* For Vector The operation old_value -> 0 then 0 -> new_value will be more gas consuming than old_value -> new_value.
* Returns true if the key was added to the Set, that is if it was not
* already present.
*/
function set(EnumerableSetRing storage set, bytes32 value) internal returns (bool) {
if(!contains(set,value)) {
uint256 position = set.position;
if (set.list.length == MAX_BUFFER_SIZE) {
bytes32 old_value = set.list[position];
delete set.map[old_value];
set.list[position] = value;
} else {
set.list.push(value);
}
set.map[value] = position;
set.position = ++set.position % MAX_BUFFER_SIZE;
return true;
}
else {
return false;
}
}
/**
* @dev Returns true if the key is in the set. O(1).
*/
function contains(EnumerableSetRing storage set, bytes32 key) internal view returns (bool) {
if(set.list.length == 0) {
return false;
}
uint256 position = set.map[key];
return (set.list[position] == key);
}
/**
* @dev Return the an array containing all the keys
*
* 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(EnumerableSetRing storage set) internal view returns (bytes32[] memory) {
return set.list;
}
function capacity(EnumerableSetRing storage set) internal view returns (uint256) {
return values(set).length;
}
}
src/ISupraSValueFeed.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
interface ISupraSValueFeed {
struct priceFeed {
uint256 round;
uint256 decimals;
uint256 time;
uint256 price;
}
struct derivedData {
int256 roundDifference;
int256 timeDifference;
uint256 derivedPrice;
uint256 decimals;
}
function restrictedSetSupraStorage(uint256 _index, bytes32 _bytes) external;
function restrictedSetTimestamp(uint256 _tradingPair, uint256 timestamp) external;
function getTimestamp(uint256 _tradingPair) external view returns (uint256);
function getRound(uint256 _tradingPair) external view returns (uint256);
function getSvalue(uint64 _pairIndex) external view returns (bytes32, bool);
function getSvalues(uint64[] memory _pairIndexes) external view returns (bytes32[] memory, bool[] memory);
function getDerivedSvalue(uint256 _derivedPairId) external view returns (derivedData memory);
function getSvalue(uint256 _pairIndex) external view returns (priceFeed memory);
function getSvalues(uint256[] memory _pairIndexes) external view returns (priceFeed[] memory);
}
src/ISupraSValueFeedVerifier.sol
pragma solidity ^0.8.19;
interface ISupraSValueFeedVerifier {
function isPairAlreadyAddedForHCC(uint256[] calldata _pairIndexes) external view returns (bool);
function isPairAlreadyAddedForHCC(uint256 _pairId) external view returns (bool);
function requireHashVerified_V2(bytes32 message, uint256[2] memory signature, uint256 committee_id) external view;
function requireHashVerified_V1(bytes memory message, uint256[2] memory signature) external view;
}
src/Smr.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.24;
/// @title Supra SMR Block Utilities
/// @notice This library contains the data structures and functions for hashing SMR blocks.
library Smr {
/// @notice A vote is a block with a round number.
/// @dev The library assumes the round number is passed in little endian format
struct Vote {
MinBlock smrBlock;
// SPEC: smrBlock.round.to_le_bytes()
bytes8 roundLE;
}
/// @notice A partial SMR block containing the bare-minimum for hashing
struct MinBlock {
uint64 round;
uint128 timestamp;
bytes32 author;
bytes32 qcHash;
bytes32[] batchHashes;
}
/// @notice An SMR Transaction
struct MinTxn {
bytes32[] clusterHashes;
bytes32 sender;
bytes10 protocol;
bytes1 tx_sub_type;
// SPEC: Index of the transaction in its batch
uint256 txnIdx;
}
/// @notice A partial SMR batch containing the bare-minimum for hashing
/// @dev The library assumes that txnHashes is a list of keccak256 hashes of abi encoded SMR transaction
struct MinBatch {
bytes10 protocol;
// SPEC: List of keccak256(Txn.clusterHashes, Txn.sender, Txn.protocol, Txn.tx_sub_type)
bytes32[] txnHashes;
// SPEC: Index of the batch in its block
uint256 batchIdx;
}
/// @notice An SMR Signed Coherent Cluster
struct SignedCoherentCluster {
CoherentCluster cc;
bytes qc;
uint256 round;
Origin origin;
}
/// @notice An SMR Coherent Cluster containing the price data
struct CoherentCluster {
bytes32 dataHash;
uint256[] pair;
uint256[] prices;
uint256[] timestamp;
uint256[] decimals;
}
/// @notice An SMR Txn Sender
struct Origin {
bytes32 _publicKeyIdentity;
uint256 _pubMemberIndex;
uint256 _committeeIndex;
}
/// @notice Hash an SMR Transaction
/// @param txn The SMR transaction to hash
/// @return Hash of the SMR Transaction
function hashTxn(MinTxn memory txn) internal pure returns (bytes32) {
bytes memory clustersConcat = abi.encodePacked(txn.clusterHashes);
return keccak256(abi.encodePacked(clustersConcat, txn.sender, txn.protocol, txn.tx_sub_type));
}
/// @notice Hash an SMR Batch
/// @param batch The SMR batch to hash
/// @return Hash of the SMR Batch
function hashBatch(MinBatch memory batch) internal pure returns (bytes32) {
bytes32 txnsHash = keccak256(abi.encodePacked(batch.txnHashes));
return keccak256(abi.encodePacked(batch.protocol, txnsHash));
}
/// @notice Hash an SMR Vote
/// @param vote The SMR vote to hash
/// @return Hash of the SMR Vote
function hashVote(Vote memory vote) internal pure returns (bytes32) {
bytes32 batchesHash = keccak256(abi.encodePacked(vote.smrBlock.batchHashes));
bytes32 blockHash = keccak256(
abi.encodePacked(
vote.smrBlock.round, vote.smrBlock.timestamp, vote.smrBlock.author, vote.smrBlock.qcHash, batchesHash
)
);
return keccak256(abi.encodePacked(blockHash, vote.roundLE));
}
}
src/SupraErrors.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.24;
error ZeroAddress();
error InvalidBatch();
error InvalidTransaction();
error DuplicateCluster();
error ClusterNotVerified();
error BLSInvalidPubllicKeyorSignaturePoints();
error BLSIncorrectInputMessaage();
error DataNotVerified();
error ArrayLengthMismatch();
error InvalidProof();
error DataProofMismatch();
error IncorrectFutureUpdate(uint256 FutureLengthInMsecs);
error RootIsZero();
error SentinalAlreadySet();
Compiler Settings
{"viaIR":true,"remappings":["ds-test/=lib/forge-std/lib/ds-test/src/","erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/","forge-std/=lib/forge-std/src/","openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/","openzeppelin-contracts/=lib/openzeppelin-contracts/","openzeppelin/=lib/openzeppelin-contracts/contracts/"],"outputSelection":{"*":{"*":["abi","evm.bytecode","evm.deployedBytecode","evm.methodIdentifiers","metadata"]}},"optimizer":{"runs":200,"enabled":true},"metadata":{"useLiteralContent":false,"bytecodeHash":"ipfs","appendCBOR":true},"libraries":{},"evmVersion":"london"}
Contract ABI
[{"type":"error","name":"DataNotVerified","inputs":[]},{"type":"error","name":"IncorrectFutureUpdate","inputs":[{"type":"uint256","name":"FutureLengthInMsecs","internalType":"uint256"}]},{"type":"error","name":"InvalidProof","inputs":[]},{"type":"error","name":"RootIsZero","inputs":[]},{"type":"error","name":"ZeroAddress","inputs":[]},{"type":"event","name":"AdminChanged","inputs":[{"type":"address","name":"previousAdmin","internalType":"address","indexed":false},{"type":"address","name":"newAdmin","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"BeaconUpgraded","inputs":[{"type":"address","name":"beacon","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"Initialized","inputs":[{"type":"uint8","name":"version","internalType":"uint8","indexed":false}],"anonymous":false},{"type":"event","name":"OwnershipTransferStarted","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","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":"event","name":"PriceUpdate","inputs":[{"type":"uint256[]","name":"pairs","internalType":"uint256[]","indexed":false},{"type":"uint256[]","name":"prices","internalType":"uint256[]","indexed":false},{"type":"uint256[]","name":"updateMask","internalType":"uint256[]","indexed":false}],"anonymous":false},{"type":"event","name":"SupraSValueFeedUpdated","inputs":[{"type":"address","name":"supraSValueFeedStorage","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"SupraSValueVerifierUpdated","inputs":[{"type":"address","name":"supraSValueVerifier","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"Upgraded","inputs":[{"type":"address","name":"implementation","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"MILLISECOND_CONVERSION_FACTOR","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"TIME_DELTA_ALLOWANCE","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"acceptOwnership","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"checkSupraSValueFeed","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"checkSupraSValueVerifier","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"initialize","inputs":[{"type":"address","name":"_supraSValueFeedStorage","internalType":"address"},{"type":"address","name":"_supraSValueVerifier","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"pendingOwner","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"bytes32","name":"","internalType":"bytes32"}],"name":"proxiableUUID","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"updateSupraSValueFeed","inputs":[{"type":"address","name":"supraSValueFeed","internalType":"contract ISupraSValueFeed"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"updateSupraSValueVerifier","inputs":[{"type":"address","name":"supraSvalueVerifier","internalType":"contract ISupraSValueFeedVerifier"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"upgradeTo","inputs":[{"type":"address","name":"newImplementation","internalType":"address"}]},{"type":"function","stateMutability":"payable","outputs":[],"name":"upgradeToAndCall","inputs":[{"type":"address","name":"newImplementation","internalType":"address"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"tuple","name":"","internalType":"struct SupraOraclePull.PriceData","components":[{"type":"uint256[]","name":"pairs","internalType":"uint256[]"},{"type":"uint256[]","name":"prices","internalType":"uint256[]"},{"type":"uint256[]","name":"decimal","internalType":"uint256[]"}]}],"name":"verifyOracleProof","inputs":[{"type":"bytes","name":"_bytesProof","internalType":"bytes"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"tuple","name":"","internalType":"struct SupraOraclePull.PriceInfo","components":[{"type":"uint256[]","name":"pairs","internalType":"uint256[]"},{"type":"uint256[]","name":"prices","internalType":"uint256[]"},{"type":"uint256[]","name":"timestamp","internalType":"uint256[]"},{"type":"uint256[]","name":"decimal","internalType":"uint256[]"},{"type":"uint256[]","name":"round","internalType":"uint256[]"}]}],"name":"verifyOracleProofV2","inputs":[{"type":"tuple","name":"oracle","internalType":"struct SupraOraclePull.OracleProofV2","components":[{"type":"tuple[]","name":"data","internalType":"struct SupraOraclePull.PriceDetailsWithCommittee[]","components":[{"type":"uint64","name":"committee_id","internalType":"uint64"},{"type":"bytes32","name":"root","internalType":"bytes32"},{"type":"uint256[2]","name":"sigs","internalType":"uint256[2]"},{"type":"tuple","name":"committee_data","internalType":"struct SupraOraclePull.CommitteeFeedWithProof","components":[{"type":"tuple[]","name":"committee_feeds","internalType":"struct SupraOraclePull.CommitteeFeed[]","components":[{"type":"uint32","name":"pair","internalType":"uint32"},{"type":"uint128","name":"price","internalType":"uint128"},{"type":"uint64","name":"timestamp","internalType":"uint64"},{"type":"uint16","name":"decimals","internalType":"uint16"},{"type":"uint64","name":"round","internalType":"uint64"}]},{"type":"bytes32[]","name":"proofs","internalType":"bytes32[]"},{"type":"bool[]","name":"flags","internalType":"bool[]"}]}]}]}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"tuple","name":"","internalType":"struct SupraOraclePull.PriceInfo","components":[{"type":"uint256[]","name":"pairs","internalType":"uint256[]"},{"type":"uint256[]","name":"prices","internalType":"uint256[]"},{"type":"uint256[]","name":"timestamp","internalType":"uint256[]"},{"type":"uint256[]","name":"decimal","internalType":"uint256[]"},{"type":"uint256[]","name":"round","internalType":"uint256[]"}]}],"name":"verifyOracleProofV2","inputs":[{"type":"bytes","name":"_bytesProof","internalType":"bytes"}]}]
Contract Creation Code
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