Feature Tip: Add private address tag to any address under My Name Tag !
Overview
TokenID
1000000161
Total Transfers
-
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Minimal Proxy Contract for 0x2b9f2f30f722dd4917bd877d976adc4966a99333
Contract Name:
JBTiered721Delegate
Compiler Version
v0.8.20+commit.a1b79de6
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.16; import { mulDiv } from '@prb/math/src/Common.sol'; import { IJBOperatorStore } from "@jbx-protocol/juice-contracts-v3/contracts/abstract/JBOperatable.sol"; import { JBOwnable } from "@jbx-protocol/juice-ownable/src/JBOwnable.sol"; import { JBFundingCycleMetadataResolver } from "@jbx-protocol/juice-contracts-v3/contracts/libraries/JBFundingCycleMetadataResolver.sol"; import { IJBFundingCycleStore } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBFundingCycleStore.sol"; import { IJBPrices } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBPrices.sol"; import { IJBProjects } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBProjects.sol"; import { IJBDirectory } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBDirectory.sol"; import { JBRedeemParamsData } from "@jbx-protocol/juice-contracts-v3/contracts/structs/JBRedeemParamsData.sol"; import { JBDidPayData3_1_1 } from "@jbx-protocol/juice-contracts-v3/contracts/structs/JBDidPayData3_1_1.sol"; import { JBFundingCycle } from "@jbx-protocol/juice-contracts-v3/contracts/structs/JBFundingCycle.sol"; import { JB721Delegate } from "./abstract/JB721Delegate.sol"; import { IJBTiered721Delegate } from "./interfaces/IJBTiered721Delegate.sol"; import { IJB721TokenUriResolver } from "./interfaces/IJB721TokenUriResolver.sol"; import { IJBTiered721DelegateStore } from "./interfaces/IJBTiered721DelegateStore.sol"; import { JB721Operations } from "./libraries/JB721Operations.sol"; import { JBIpfsDecoder} from "./libraries/JBIpfsDecoder.sol"; import { JBTiered721FundingCycleMetadataResolver} from "./libraries/JBTiered721FundingCycleMetadataResolver.sol"; import { JB721TierParams } from "./structs/JB721TierParams.sol"; import { JB721Tier } from "./structs/JB721Tier.sol"; import { JBTiered721Flags } from "./structs/JBTiered721Flags.sol"; import { JB721PricingParams } from "./structs/JB721PricingParams.sol"; import { JBTiered721MintReservesForTiersData } from "./structs/JBTiered721MintReservesForTiersData.sol"; import { JBDelegateMetadataLib } from '@jbx-protocol/juice-delegate-metadata-lib/src/JBDelegateMetadataLib.sol'; /// @title JBTiered721Delegate /// @notice This delegate makes multiple NFT tiers with custom price floors available to a project's contributors upon payment, and allows project owners to enable NFT redemption for treasury assets based on the price floors of those NFTs. /// @custom:version 3.3 contract JBTiered721Delegate is JBOwnable, JB721Delegate, IJBTiered721Delegate { //*********************************************************************// // --------------------------- custom errors ------------------------- // //*********************************************************************// error OVERSPENDING(); error RESERVED_TOKEN_MINTING_PAUSED(); error TRANSFERS_PAUSED(); //*********************************************************************// // --------------------- internal stored properties ------------------ // //*********************************************************************// /// @notice The first owner of each token ID, stored on first transfer out. /// @custom:param _tokenId The ID of the token to get the stored first owner of. mapping(uint256 => address) internal _firstOwnerOf; /// @notice Info that contextualizes the pricing of tiers, packed into a uint256: currency in bits 0-47 (48 bits), pricing decimals in bits 48-95 (48 bits), and prices contract in bits 96-255 (160 bits). uint256 internal _packedPricingContext; //*********************************************************************// // --------------------- public stored properties -------------------- // //*********************************************************************// /// @notice The address of the original JBTiered721Delegate - used in `initialize(...)` to check if this is the original JBTiered721Delegate, and to revert initialization if it is. address public override codeOrigin; /// @notice The contract that stores and manages data for this contract's NFTs. IJBTiered721DelegateStore public override store; /// @notice The contract storing all funding cycle configurations. IJBFundingCycleStore public override fundingCycleStore; /// @notice The amount each address has paid which did not go towards minting an NFT. These credits can be redeemed to mint NFTs. /// @custom:param _address The address to which the credits belong. mapping(address => uint256) public override creditsOf; /// @notice The common base for the tokenUris. /// @custom:param _nft The NFT for which the base URI applies. string public override baseURI; /// @notice Contract metadata uri. /// @custom:param _nft The NFT for which the contract URI resolver applies. string public override contractURI; //*********************************************************************// // ------------------------- external views -------------------------- // //*********************************************************************// /// @notice The first owner of each token ID, which corresponds to the address that originally contributed to the project to receive the NFT. /// @param _tokenId The ID of the token to get the first owner of. /// @return The first owner of the token. function firstOwnerOf(uint256 _tokenId) external view override returns (address) { // Get a reference to the first owner. address _storedFirstOwner = _firstOwnerOf[_tokenId]; // If the stored first owner is set, return it. if (_storedFirstOwner != address(0)) return _storedFirstOwner; // Otherwise, the first owner must be the current owner. return _owners[_tokenId]; } /// @notice Info that contextualizes the pricing of tiers. /// @return currency The currency being used. /// @return decimals The amount of decimals being used. /// @return prices The prices contract being used to resolve currency discrepancies. function pricingContext() external view override returns (uint256 currency, uint256 decimals, IJBPrices prices) { // Get a reference to the packed pricing context. uint256 _packed = _packedPricingContext; // currency in bits 0-47 (48 bits). currency = uint256(uint48(_packed)); // pricing decimals in bits 48-95 (48 bits). decimals = uint256(uint48(_packed >> 48)); // prices contract in bits 96-255 (160 bits). prices = IJBPrices(address(uint160(_packed >> 96))); } //*********************************************************************// // -------------------------- public views --------------------------- // //*********************************************************************// /// @notice The total number of tokens owned by an address across all tiers. /// @param _owner The address to check the balance of. /// @return balance The number of tokens owned by the address across all tiers. function balanceOf(address _owner) public view override returns (uint256 balance) { return store.balanceOf(address(this), _owner); } /// @notice The metadata URI of the provided token ID. /// @dev Defer to the tokenUriResolver if it is set. Otherwise, use the tokenUri corresponding with the token's tier. /// @param _tokenId The ID of the token to get the metadata URI for. /// @return The token URI corresponding with the token's tier, or the tokenUriResolver URI if it is set. function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) { // Get a reference to the tokenUriResolver. IJB721TokenUriResolver _resolver = store.tokenUriResolverOf(address(this)); // If a tokenUriResolver is provided, use it to resolve the token URI. if (address(_resolver) != address(0)) return _resolver.tokenUriOf(address(this), _tokenId); // Otherwise, return the token URI corresponding with the token's tier. return JBIpfsDecoder.decode(baseURI, store.encodedTierIPFSUriOf(address(this), _tokenId)); } /// @notice The cumulative redemption weight the given token IDs have compared to the `_totalRedemptionWeight`. /// @param _tokenIds The IDs of the tokens to get the cumulative redemption weight of. /// @return The redemption weight of the _tokenIds. function redemptionWeightOf(uint256[] memory _tokenIds, JBRedeemParamsData calldata) public view virtual override returns (uint256) { return store.redemptionWeightOf(address(this), _tokenIds); } /// @notice The cumulative redemption weight across all token IDs. /// @return The cumulative redemption weight. function totalRedemptionWeight(JBRedeemParamsData calldata) public view virtual override returns (uint256) { return store.totalRedemptionWeight(address(this)); } /// @notice Indicates if this contract adheres to the specified interface. /// @dev See {IERC165-supportsInterface}. /// @param _interfaceId The ID of the interface to check for adherence to. function supportsInterface(bytes4 _interfaceId) public view override returns (bool) { return _interfaceId == type(IJBTiered721Delegate).interfaceId || super.supportsInterface(_interfaceId); } //*********************************************************************// // -------------------------- constructor ---------------------------- // //*********************************************************************// /// @param _directory A directory of terminals and controllers for projects. /// @param _operatorStore A contract which stores operator assignments. /// @param _payMetadataDelegateId The 4bytes ID of this delegate, used for pay metadata parsing /// @param _redeemMetadataDelegateId The 4bytes ID of this delegate, used for redeem metadata parsing constructor(IJBDirectory _directory, IJBOperatorStore _operatorStore, bytes4 _payMetadataDelegateId, bytes4 _redeemMetadataDelegateId) JBOwnable(_directory.projects(), _operatorStore) JB721Delegate(_directory, _payMetadataDelegateId, _redeemMetadataDelegateId) { codeOrigin = address(this); } /// @notice Initializes a cloned copy of the original JB721Delegate contract. /// @param _projectId The ID of the project this contract's functionality applies to. /// @param _name The name of the NFT collection distributed through this contract. /// @param _symbol The symbol that the NFT collection should be represented by. /// @param _fundingCycleStore A contract storing all funding cycle configurations. /// @param _baseUri A URI to use as a base for full token URIs. /// @param _tokenUriResolver A contract responsible for resolving the token URI for each token ID. /// @param _contractUri A URI where this contract's metadata can be found. /// @param _pricing NFT tier pricing parameters according to which token distribution will be made. Must be sorted by contribution floor (from least to greatest). /// @param _store The contract which stores the NFT's data. /// @param _flags A set of flags that help to define how this contract works. function initialize( uint256 _projectId, string memory _name, string memory _symbol, IJBFundingCycleStore _fundingCycleStore, string memory _baseUri, IJB721TokenUriResolver _tokenUriResolver, string memory _contractUri, JB721PricingParams memory _pricing, IJBTiered721DelegateStore _store, JBTiered721Flags memory _flags ) public override { // Stop re-initialization. if (address(store) != address(0)) revert(); // Initialize the superclass. JB721Delegate._initialize(_projectId, _name, _symbol); fundingCycleStore = _fundingCycleStore; store = _store; uint256 _packed; // currency in bits 0-47 (48 bits). _packed |= uint256(_pricing.currency); // pricing decimals in bits 48-95 (48 bits). _packed |= uint256(_pricing.decimals) << 48; // prices contract in bits 96-255 (160 bits). _packed |= uint256(uint160(address(_pricing.prices))) << 96; // Store the packed value. _packedPricingContext = _packed; // Store the base URI if provided. if (bytes(_baseUri).length != 0) baseURI = _baseUri; // Set the contract URI if provided. if (bytes(_contractUri).length != 0) contractURI = _contractUri; // Set the token URI resolver if provided. if (_tokenUriResolver != IJB721TokenUriResolver(address(0))) { _store.recordSetTokenUriResolver(_tokenUriResolver); } // Record adding the provided tiers. if (_pricing.tiers.length != 0) _store.recordAddTiers(_pricing.tiers); // Set the flags if needed. if ( _flags.lockReservedTokenChanges || _flags.lockVotingUnitChanges || _flags.lockManualMintingChanges || _flags.preventOverspending ) _store.recordFlags(_flags); // Transfer ownership to the initializer. _transferOwnership(msg.sender); } //*********************************************************************// // ---------------------- external transactions ---------------------- // //*********************************************************************// /// @notice Manually mint NFTs from the provided tiers . /// @param _tierIds The IDs of the tiers to mint from. /// @param _beneficiary The address to mint to. /// @return tokenIds The IDs of the newly minted tokens. function mintFor(uint16[] calldata _tierIds, address _beneficiary) external override requirePermission(owner(), projectId, JB721Operations.MINT) returns (uint256[] memory tokenIds) { // Record the mint. The returned token IDs corresponds to the tiers passed in. (tokenIds,) = store.recordMint( type(uint256).max, // force the mint. _tierIds, true // manual mint. ); // Keep a reference to the number of tokens being minted. uint256 _numberOfTokens = _tierIds.length; // Keep a reference to the token ID being iterated upon. uint256 _tokenId; for (uint256 _i; _i < _numberOfTokens;) { // Set the token ID. _tokenId = tokenIds[_i]; // Mint the token. _mint(_beneficiary, _tokenId); emit Mint(_tokenId, _tierIds[_i], _beneficiary, 0, msg.sender); unchecked { ++_i; } } } /// @notice Mint reserved tokens within the tier for the provided value. /// @param _mintReservesForTiersData Contains information about how many reserved tokens to mint for each tier. function mintReservesFor(JBTiered721MintReservesForTiersData[] calldata _mintReservesForTiersData) external override { // Keep a reference to the number of tiers to mint reserves for. uint256 _numberOfTiers = _mintReservesForTiersData.length; for (uint256 _i; _i < _numberOfTiers;) { // Get a reference to the data being iterated upon. JBTiered721MintReservesForTiersData memory _data = _mintReservesForTiersData[_i]; // Mint for the tier. mintReservesFor(_data.tierId, _data.count); unchecked { ++_i; } } } /// @notice Adjust the tiers which are mintable through this contract, adhering to any locked tier constraints. /// @dev Only the contract's owner or an operator with ADJUST_TIERS can adjust the tiers. /// @param _tiersToAdd An array of tier data to add. /// @param _tierIdsToRemove An array of tier IDs to remove. function adjustTiers(JB721TierParams[] calldata _tiersToAdd, uint256[] calldata _tierIdsToRemove) external override requirePermission(owner(), projectId, JB721Operations.ADJUST_TIERS) { // Get a reference to the number of tiers being added. uint256 _numberOfTiersToAdd = _tiersToAdd.length; // Get a reference to the number of tiers being removed. uint256 _numberOfTiersToRemove = _tierIdsToRemove.length; // Remove the tiers. if (_numberOfTiersToRemove != 0) { // Record the removed tiers. store.recordRemoveTierIds(_tierIdsToRemove); // Emit events for each removed tier. for (uint256 _i; _i < _numberOfTiersToRemove;) { emit RemoveTier(_tierIdsToRemove[_i], msg.sender); unchecked { ++_i; } } } // Add the tiers. if (_numberOfTiersToAdd != 0) { // Record the added tiers in the store. uint256[] memory _tierIdsAdded = store.recordAddTiers(_tiersToAdd); // Emit events for each added tier. for (uint256 _i; _i < _numberOfTiersToAdd;) { emit AddTier(_tierIdsAdded[_i], _tiersToAdd[_i], msg.sender); unchecked { ++_i; } } } } /// @notice Set a contract's URI metadata properties. /// @dev Only the contract's owner can set the URI metadata. /// @param _baseUri The new base URI. /// @param _contractUri The new contract URI. /// @param _tokenUriResolver The new URI resolver. /// @param _encodedIPFSUriTierId The ID of the tier to set the encoded IPFS URI of. /// @param _encodedIPFSUri The encoded IPFS URI to set. function setMetadata( string calldata _baseUri, string calldata _contractUri, IJB721TokenUriResolver _tokenUriResolver, uint256 _encodedIPFSUriTierId, bytes32 _encodedIPFSUri ) external override requirePermission(owner(), projectId, JB721Operations.UPDATE_METADATA) { if (bytes(_baseUri).length != 0) { // Store the new base URI. baseURI = _baseUri; emit SetBaseUri(_baseUri, msg.sender); } if (bytes(_contractUri).length != 0) { // Store the new contract URI. contractURI = _contractUri; emit SetContractUri(_contractUri, msg.sender); } if (_tokenUriResolver != IJB721TokenUriResolver(address(this))) { // Store the new URI resolver. store.recordSetTokenUriResolver(_tokenUriResolver); emit SetTokenUriResolver(_tokenUriResolver, msg.sender); } if (_encodedIPFSUriTierId != 0 && _encodedIPFSUri != bytes32(0)) { // Store the new encoded IPFS URI. store.recordSetEncodedIPFSUriOf(_encodedIPFSUriTierId, _encodedIPFSUri); emit SetEncodedIPFSUri(_encodedIPFSUriTierId, _encodedIPFSUri, msg.sender); } } //*********************************************************************// // ----------------------- public transactions ----------------------- // //*********************************************************************// /// @notice Mint reserved tokens within the provided tier. /// @dev Only currently outstanding reserved tokens can be minted. /// @param _tierId The ID of the tier to mint from. /// @param _count The number of reserved tokens to mint. function mintReservesFor(uint256 _tierId, uint256 _count) public override { // Get a reference to the project's current funding cycle. JBFundingCycle memory _fundingCycle = fundingCycleStore.currentOf(projectId); // Reserved token minting must not be paused. if ( JBTiered721FundingCycleMetadataResolver.mintingReservesPaused( (JBFundingCycleMetadataResolver.metadata(_fundingCycle)) ) ) revert RESERVED_TOKEN_MINTING_PAUSED(); // Record the reserved mint for the tier. uint256[] memory _tokenIds = store.recordMintReservesFor(_tierId, _count); // Keep a reference to the reserved token beneficiary. address _reservedTokenBeneficiary = store.reservedTokenBeneficiaryOf(address(this), _tierId); // Keep a reference to the token ID being iterated upon. uint256 _tokenId; for (uint256 _i; _i < _count;) { // Set the token ID. _tokenId = _tokenIds[_i]; // Mint the token. _mint(_reservedTokenBeneficiary, _tokenId); emit MintReservedToken(_tokenId, _tierId, _reservedTokenBeneficiary, msg.sender); unchecked { ++_i; } } } //*********************************************************************// // ------------------------ internal functions ----------------------- // //*********************************************************************// /// @notice Mints for a given contribution to the beneficiary. /// @param _data The standard data passed when paying a Juicebox project. function _processPayment(JBDidPayData3_1_1 calldata _data) internal virtual override { // Normalize the currency. uint256 _value; { uint256 _packed = _packedPricingContext; // pricing currency in bits 0-47 (48 bits). uint256 _pricingCurrency = uint256(uint48(_packed)); if (_data.amount.currency == _pricingCurrency) { _value = _data.amount.value; } else { // prices in bits 96-255 (160 bits). IJBPrices _prices = IJBPrices(address(uint160(_packed >> 96))); if (_prices != IJBPrices(address(0))) { // pricing decimals in bits 48-95 (48 bits). uint256 _pricingDecimals = uint256(uint48(_packed >> 48)); _value = mulDiv( _data.amount.value, 10 ** _pricingDecimals, _prices.priceFor(_data.amount.currency, _pricingCurrency, _data.amount.decimals) ); } else { return; } } } // Keep a reference to the amount of credits the beneficiary already has. uint256 _credits = creditsOf[_data.beneficiary]; // Set the leftover amount as the initial value, including any credits the beneficiary might already have. uint256 _leftoverAmount = _value; // If the payer is the beneficiary, combine the credits with the paid amount. // Otherwise, we keep track of the credits that were unused. uint256 _stashedCredits; if (_data.payer == _data.beneficiary) { unchecked { _leftoverAmount += _credits; } } else { _stashedCredits = _credits; } // Keep a reference to the flag which indicates if transactions which don't spend all of the provided funds should be allowed (not revert). Defaults to false, meaning only a minimum payment is enforced. bool _allowOverspending; // fetch this delegates metadata from the delegate id (bool _found, bytes memory _metadata) = JBDelegateMetadataLib.getMetadata(payMetadataDelegateId, _data.payerMetadata); if (_found) { // Keep a reference to the tier IDs to mint. uint16[] memory _tierIdsToMint; // Decode the metadata. (_allowOverspending, _tierIdsToMint) = abi.decode(_metadata, (bool, uint16[])); // Make sure overspending is allowed if requested. if (_allowOverspending && store.flagsOf(address(this)).preventOverspending) { _allowOverspending = false; } // Mint tiers if they were specified. if (_tierIdsToMint.length != 0) { _leftoverAmount = _mintAll(_leftoverAmount, _tierIdsToMint, _data.beneficiary); } } else if (!store.flagsOf(address(this)).preventOverspending) { _allowOverspending = true; } // If overspending is allowed and there are funds leftover, add those funds to credits. if (_leftoverAmount != 0) { // Make sure there are no leftover funds after minting if overspending is not allowed. if (!_allowOverspending) revert OVERSPENDING(); // Increment the leftover amount. unchecked { // Keep a reference to the amount of new credits. uint256 _newCredits = _leftoverAmount + _stashedCredits; // Emit the change in credits. if (_newCredits > _credits) { emit AddCredits(_newCredits - _credits, _newCredits, _data.beneficiary, msg.sender); } else if (_credits > _newCredits) { emit UseCredits(_credits - _newCredits, _newCredits, _data.beneficiary, msg.sender); } // Store the new credits. creditsOf[_data.beneficiary] = _newCredits; } // Else reset the credits. } else if (_credits != _stashedCredits) { // Emit the change in credits. emit UseCredits(_credits - _stashedCredits, _stashedCredits, _data.beneficiary, msg.sender); // Store the new credits. creditsOf[_data.beneficiary] = _stashedCredits; } } /// @notice A function that runs when tokens are burned via redemption. /// @param _tokenIds The IDs of the tokens that were burned. function _didBurn(uint256[] memory _tokenIds) internal virtual override { // Add to burned counter. store.recordBurn(_tokenIds); } /// @notice Mints a token in all provided tiers. /// @param _amount The amount to base the mints on. The combined price floors of all tokens to be minted must fit within this amount. /// @param _mintTierIds An array of tier IDs to be minted. /// @param _beneficiary The address to mint for. /// @return leftoverAmount The amount leftover after the mint. function _mintAll(uint256 _amount, uint16[] memory _mintTierIds, address _beneficiary) internal returns (uint256 leftoverAmount) { // Keep a reference to the token ID. uint256[] memory _tokenIds; // Record the mint. The token IDs returned correspond to the tiers passed in. (_tokenIds, leftoverAmount) = store.recordMint( _amount, _mintTierIds, false // Not a manual mint ); // Get a reference to the number of mints. uint256 _mintsLength = _tokenIds.length; // Keep a reference to the token ID being iterated on. uint256 _tokenId; // Loop through each token ID and mint. for (uint256 _i; _i < _mintsLength;) { // Get a reference to the tier being iterated on. _tokenId = _tokenIds[_i]; // Mint the tokens. _mint(_beneficiary, _tokenId); emit Mint(_tokenId, _mintTierIds[_i], _beneficiary, _amount, msg.sender); unchecked { ++_i; } } } /// @notice Hook to register a token's first owner (if necessary) before transferring it. /// @param _from The address to transfer the token from. /// @param _to The address to transfer the token to. /// @param _tokenId The ID of the token being transferred. function _beforeTokenTransfer(address _from, address _to, uint256 _tokenId) internal virtual override { // Transfers must not be paused (when not minting or burning). if (_from != address(0)) { // Get a reference to the tier. JB721Tier memory _tier = store.tierOfTokenId(address(this), _tokenId, false); // Transfers from the tier must be pausable. if (_tier.transfersPausable) { // Get a reference to the project's current funding cycle. JBFundingCycle memory _fundingCycle = fundingCycleStore.currentOf(projectId); if ( _to != address(0) && JBTiered721FundingCycleMetadataResolver.transfersPaused( (JBFundingCycleMetadataResolver.metadata(_fundingCycle)) ) ) revert TRANSFERS_PAUSED(); } // If the token isn't associated with a first owner, store the sender as the first owner. if (_firstOwnerOf[_tokenId] == address(0)) _firstOwnerOf[_tokenId] = _from; } super._beforeTokenTransfer(_from, _to, _tokenId); } /// @notice Transfer voting units after the transfer of a token. /// @param _from The address to transfer the token from. /// @param _to The address to transfer the token to. /// @param _tokenId The ID of the token being transferred. function _afterTokenTransfer(address _from, address _to, uint256 _tokenId) internal virtual override { // Get a reference to the tier. JB721Tier memory _tier = store.tierOfTokenId(address(this), _tokenId, false); // Record the transfer. store.recordTransferForTier(_tier.id, _from, _to); // Handle any other accounting (e.g. account for governance voting units in JBTiered721GovernanceDelegate). _afterTokenTransferAccounting(_from, _to, _tokenId, _tier); super._afterTokenTransfer(_from, _to, _tokenId); } /// @notice Custom hook to handle token/tier accounting, this way we can reuse the '_tier' instead of fetching it again. /// @param _from The address to transfer voting units from. /// @param _to The address to transfer voting units to. /// @param _tokenId The ID of the token for which voting units are being transferred. /// @param _tier The tier the token ID is part of. function _afterTokenTransferAccounting(address _from, address _to, uint256 _tokenId, JB721Tier memory _tier) internal virtual { _from; // Prevents unused var compiler and natspec complaints. _to; _tokenId; _tier; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.19; // Common.sol // // Common mathematical functions needed by both SD59x18 and UD60x18. Note that these global functions do not // always operate with SD59x18 and UD60x18 numbers. /*////////////////////////////////////////////////////////////////////////// CUSTOM ERRORS //////////////////////////////////////////////////////////////////////////*/ /// @notice Thrown when the resultant value in {mulDiv} overflows uint256. error PRBMath_MulDiv_Overflow(uint256 x, uint256 y, uint256 denominator); /// @notice Thrown when the resultant value in {mulDiv18} overflows uint256. error PRBMath_MulDiv18_Overflow(uint256 x, uint256 y); /// @notice Thrown when one of the inputs passed to {mulDivSigned} is `type(int256).min`. error PRBMath_MulDivSigned_InputTooSmall(); /// @notice Thrown when the resultant value in {mulDivSigned} overflows int256. error PRBMath_MulDivSigned_Overflow(int256 x, int256 y); /*////////////////////////////////////////////////////////////////////////// CONSTANTS //////////////////////////////////////////////////////////////////////////*/ /// @dev The maximum value a uint128 number can have. uint128 constant MAX_UINT128 = type(uint128).max; /// @dev The maximum value a uint40 number can have. uint40 constant MAX_UINT40 = type(uint40).max; /// @dev The unit number, which the decimal precision of the fixed-point types. uint256 constant UNIT = 1e18; /// @dev The unit number inverted mod 2^256. uint256 constant UNIT_INVERSE = 78156646155174841979727994598816262306175212592076161876661_508869554232690281; /// @dev The the largest power of two that divides the decimal value of `UNIT`. The logarithm of this value is the least significant /// bit in the binary representation of `UNIT`. uint256 constant UNIT_LPOTD = 262144; /*////////////////////////////////////////////////////////////////////////// FUNCTIONS //////////////////////////////////////////////////////////////////////////*/ /// @notice Calculates the binary exponent of x using the binary fraction method. /// @dev Has to use 192.64-bit fixed-point numbers. See https://ethereum.stackexchange.com/a/96594/24693. /// @param x The exponent as an unsigned 192.64-bit fixed-point number. /// @return result The result as an unsigned 60.18-decimal fixed-point number. /// @custom:smtchecker abstract-function-nondet function exp2(uint256 x) pure returns (uint256 result) { unchecked { // Start from 0.5 in the 192.64-bit fixed-point format. result = 0x800000000000000000000000000000000000000000000000; // The following logic multiplies the result by $\sqrt{2^{-i}}$ when the bit at position i is 1. Key points: // // 1. Intermediate results will not overflow, as the starting point is 2^191 and all magic factors are under 2^65. // 2. The rationale for organizing the if statements into groups of 8 is gas savings. If the result of performing // a bitwise AND operation between x and any value in the array [0x80; 0x40; 0x20; 0x10; 0x08; 0x04; 0x02; 0x01] is 1, // we know that `x & 0xFF` is also 1. if (x & 0xFF00000000000000 > 0) { if (x & 0x8000000000000000 > 0) { result = (result * 0x16A09E667F3BCC909) >> 64; } if (x & 0x4000000000000000 > 0) { result = (result * 0x1306FE0A31B7152DF) >> 64; } if (x & 0x2000000000000000 > 0) { result = (result * 0x1172B83C7D517ADCE) >> 64; } if (x & 0x1000000000000000 > 0) { result = (result * 0x10B5586CF9890F62A) >> 64; } if (x & 0x800000000000000 > 0) { result = (result * 0x1059B0D31585743AE) >> 64; } if (x & 0x400000000000000 > 0) { result = (result * 0x102C9A3E778060EE7) >> 64; } if (x & 0x200000000000000 > 0) { result = (result * 0x10163DA9FB33356D8) >> 64; } if (x & 0x100000000000000 > 0) { result = (result * 0x100B1AFA5ABCBED61) >> 64; } } if (x & 0xFF000000000000 > 0) { if (x & 0x80000000000000 > 0) { result = (result * 0x10058C86DA1C09EA2) >> 64; } if (x & 0x40000000000000 > 0) { result = (result * 0x1002C605E2E8CEC50) >> 64; } if (x & 0x20000000000000 > 0) { result = (result * 0x100162F3904051FA1) >> 64; } if (x & 0x10000000000000 > 0) { result = (result * 0x1000B175EFFDC76BA) >> 64; } if (x & 0x8000000000000 > 0) { result = (result * 0x100058BA01FB9F96D) >> 64; } if (x & 0x4000000000000 > 0) { result = (result * 0x10002C5CC37DA9492) >> 64; } if (x & 0x2000000000000 > 0) { result = (result * 0x1000162E525EE0547) >> 64; } if (x & 0x1000000000000 > 0) { result = (result * 0x10000B17255775C04) >> 64; } } if (x & 0xFF0000000000 > 0) { if (x & 0x800000000000 > 0) { result = (result * 0x1000058B91B5BC9AE) >> 64; } if (x & 0x400000000000 > 0) { result = (result * 0x100002C5C89D5EC6D) >> 64; } if (x & 0x200000000000 > 0) { result = (result * 0x10000162E43F4F831) >> 64; } if (x & 0x100000000000 > 0) { result = (result * 0x100000B1721BCFC9A) >> 64; } if (x & 0x80000000000 > 0) { result = (result * 0x10000058B90CF1E6E) >> 64; } if (x & 0x40000000000 > 0) { result = (result * 0x1000002C5C863B73F) >> 64; } if (x & 0x20000000000 > 0) { result = (result * 0x100000162E430E5A2) >> 64; } if (x & 0x10000000000 > 0) { result = (result * 0x1000000B172183551) >> 64; } } if (x & 0xFF00000000 > 0) { if (x & 0x8000000000 > 0) { result = (result * 0x100000058B90C0B49) >> 64; } if (x & 0x4000000000 > 0) { result = (result * 0x10000002C5C8601CC) >> 64; } if (x & 0x2000000000 > 0) { result = (result * 0x1000000162E42FFF0) >> 64; } if (x & 0x1000000000 > 0) { result = (result * 0x10000000B17217FBB) >> 64; } if (x & 0x800000000 > 0) { result = (result * 0x1000000058B90BFCE) >> 64; } if (x & 0x400000000 > 0) { result = (result * 0x100000002C5C85FE3) >> 64; } if (x & 0x200000000 > 0) { result = (result * 0x10000000162E42FF1) >> 64; } if (x & 0x100000000 > 0) { result = (result * 0x100000000B17217F8) >> 64; } } if (x & 0xFF000000 > 0) { if (x & 0x80000000 > 0) { result = (result * 0x10000000058B90BFC) >> 64; } if (x & 0x40000000 > 0) { result = (result * 0x1000000002C5C85FE) >> 64; } if (x & 0x20000000 > 0) { result = (result * 0x100000000162E42FF) >> 64; } if (x & 0x10000000 > 0) { result = (result * 0x1000000000B17217F) >> 64; } if (x & 0x8000000 > 0) { result = (result * 0x100000000058B90C0) >> 64; } if (x & 0x4000000 > 0) { result = (result * 0x10000000002C5C860) >> 64; } if (x & 0x2000000 > 0) { result = (result * 0x1000000000162E430) >> 64; } if (x & 0x1000000 > 0) { result = (result * 0x10000000000B17218) >> 64; } } if (x & 0xFF0000 > 0) { if (x & 0x800000 > 0) { result = (result * 0x1000000000058B90C) >> 64; } if (x & 0x400000 > 0) { result = (result * 0x100000000002C5C86) >> 64; } if (x & 0x200000 > 0) { result = (result * 0x10000000000162E43) >> 64; } if (x & 0x100000 > 0) { result = (result * 0x100000000000B1721) >> 64; } if (x & 0x80000 > 0) { result = (result * 0x10000000000058B91) >> 64; } if (x & 0x40000 > 0) { result = (result * 0x1000000000002C5C8) >> 64; } if (x & 0x20000 > 0) { result = (result * 0x100000000000162E4) >> 64; } if (x & 0x10000 > 0) { result = (result * 0x1000000000000B172) >> 64; } } if (x & 0xFF00 > 0) { if (x & 0x8000 > 0) { result = (result * 0x100000000000058B9) >> 64; } if (x & 0x4000 > 0) { result = (result * 0x10000000000002C5D) >> 64; } if (x & 0x2000 > 0) { result = (result * 0x1000000000000162E) >> 64; } if (x & 0x1000 > 0) { result = (result * 0x10000000000000B17) >> 64; } if (x & 0x800 > 0) { result = (result * 0x1000000000000058C) >> 64; } if (x & 0x400 > 0) { result = (result * 0x100000000000002C6) >> 64; } if (x & 0x200 > 0) { result = (result * 0x10000000000000163) >> 64; } if (x & 0x100 > 0) { result = (result * 0x100000000000000B1) >> 64; } } if (x & 0xFF > 0) { if (x & 0x80 > 0) { result = (result * 0x10000000000000059) >> 64; } if (x & 0x40 > 0) { result = (result * 0x1000000000000002C) >> 64; } if (x & 0x20 > 0) { result = (result * 0x10000000000000016) >> 64; } if (x & 0x10 > 0) { result = (result * 0x1000000000000000B) >> 64; } if (x & 0x8 > 0) { result = (result * 0x10000000000000006) >> 64; } if (x & 0x4 > 0) { result = (result * 0x10000000000000003) >> 64; } if (x & 0x2 > 0) { result = (result * 0x10000000000000001) >> 64; } if (x & 0x1 > 0) { result = (result * 0x10000000000000001) >> 64; } } // In the code snippet below, two operations are executed simultaneously: // // 1. The result is multiplied by $(2^n + 1)$, where $2^n$ represents the integer part, and the additional 1 // accounts for the initial guess of 0.5. This is achieved by subtracting from 191 instead of 192. // 2. The result is then converted to an unsigned 60.18-decimal fixed-point format. // // The underlying logic is based on the relationship $2^{191-ip} = 2^{ip} / 2^{191}$, where $ip$ denotes the, // integer part, $2^n$. result *= UNIT; result >>= (191 - (x >> 64)); } } /// @notice Finds the zero-based index of the first 1 in the binary representation of x. /// /// @dev See the note on "msb" in this Wikipedia article: https://en.wikipedia.org/wiki/Find_first_set /// /// Each step in this implementation is equivalent to this high-level code: /// /// ```solidity /// if (x >= 2 ** 128) { /// x >>= 128; /// result += 128; /// } /// ``` /// /// Where 128 is replaced with each respective power of two factor. See the full high-level implementation here: /// https://gist.github.com/PaulRBerg/f932f8693f2733e30c4d479e8e980948 /// /// The Yul instructions used below are: /// /// - "gt" is "greater than" /// - "or" is the OR bitwise operator /// - "shl" is "shift left" /// - "shr" is "shift right" /// /// @param x The uint256 number for which to find the index of the most significant bit. /// @return result The index of the most significant bit as a uint256. /// @custom:smtchecker abstract-function-nondet function msb(uint256 x) pure returns (uint256 result) { // 2^128 assembly ("memory-safe") { let factor := shl(7, gt(x, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) x := shr(factor, x) result := or(result, factor) } // 2^64 assembly ("memory-safe") { let factor := shl(6, gt(x, 0xFFFFFFFFFFFFFFFF)) x := shr(factor, x) result := or(result, factor) } // 2^32 assembly ("memory-safe") { let factor := shl(5, gt(x, 0xFFFFFFFF)) x := shr(factor, x) result := or(result, factor) } // 2^16 assembly ("memory-safe") { let factor := shl(4, gt(x, 0xFFFF)) x := shr(factor, x) result := or(result, factor) } // 2^8 assembly ("memory-safe") { let factor := shl(3, gt(x, 0xFF)) x := shr(factor, x) result := or(result, factor) } // 2^4 assembly ("memory-safe") { let factor := shl(2, gt(x, 0xF)) x := shr(factor, x) result := or(result, factor) } // 2^2 assembly ("memory-safe") { let factor := shl(1, gt(x, 0x3)) x := shr(factor, x) result := or(result, factor) } // 2^1 // No need to shift x any more. assembly ("memory-safe") { let factor := gt(x, 0x1) result := or(result, factor) } } /// @notice Calculates x*y÷denominator with 512-bit precision. /// /// @dev Credits to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv. /// /// Notes: /// - The result is rounded toward zero. /// /// Requirements: /// - The denominator must not be zero. /// - The result must fit in uint256. /// /// @param x The multiplicand as a uint256. /// @param y The multiplier as a uint256. /// @param denominator The divisor as a uint256. /// @return result The result as a uint256. /// @custom:smtchecker abstract-function-nondet function mulDiv(uint256 x, uint256 y, uint256 denominator) pure returns (uint256 result) { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512-bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly ("memory-safe") { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { unchecked { return prod0 / denominator; } } // Make sure the result is less than 2^256. Also prevents denominator == 0. if (prod1 >= denominator) { revert PRBMath_MulDiv_Overflow(x, y, denominator); } //////////////////////////////////////////////////////////////////////////// // 512 by 256 division //////////////////////////////////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly ("memory-safe") { // Compute remainder using the mulmod Yul instruction. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512-bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } unchecked { // Calculate the largest power of two divisor of the denominator using the unary operator ~. This operation cannot overflow // because the denominator cannot be zero at this point in the function execution. The result is always >= 1. // For more detail, see https://cs.stackexchange.com/q/138556/92363. uint256 lpotdod = denominator & (~denominator + 1); uint256 flippedLpotdod; assembly ("memory-safe") { // Factor powers of two out of denominator. denominator := div(denominator, lpotdod) // Divide [prod1 prod0] by lpotdod. prod0 := div(prod0, lpotdod) // Get the flipped value `2^256 / lpotdod`. If the `lpotdod` is zero, the flipped value is one. // `sub(0, lpotdod)` produces the two's complement version of `lpotdod`, which is equivalent to flipping all the bits. // However, `div` interprets this value as an unsigned value: https://ethereum.stackexchange.com/q/147168/24693 flippedLpotdod := add(div(sub(0, lpotdod), lpotdod), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * flippedLpotdod; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; } } /// @notice Calculates x*y÷1e18 with 512-bit precision. /// /// @dev A variant of {mulDiv} with constant folding, i.e. in which the denominator is hard coded to 1e18. /// /// Notes: /// - The body is purposely left uncommented; to understand how this works, see the documentation in {mulDiv}. /// - The result is rounded toward zero. /// - We take as an axiom that the result cannot be `MAX_UINT256` when x and y solve the following system of equations: /// /// $$ /// \begin{cases} /// x * y = MAX\_UINT256 * UNIT \\ /// (x * y) \% UNIT \geq \frac{UNIT}{2} /// \end{cases} /// $$ /// /// Requirements: /// - Refer to the requirements in {mulDiv}. /// - The result must fit in uint256. /// /// @param x The multiplicand as an unsigned 60.18-decimal fixed-point number. /// @param y The multiplier as an unsigned 60.18-decimal fixed-point number. /// @return result The result as an unsigned 60.18-decimal fixed-point number. /// @custom:smtchecker abstract-function-nondet function mulDiv18(uint256 x, uint256 y) pure returns (uint256 result) { uint256 prod0; uint256 prod1; assembly ("memory-safe") { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } if (prod1 == 0) { unchecked { return prod0 / UNIT; } } if (prod1 >= UNIT) { revert PRBMath_MulDiv18_Overflow(x, y); } uint256 remainder; assembly ("memory-safe") { remainder := mulmod(x, y, UNIT) result := mul( or( div(sub(prod0, remainder), UNIT_LPOTD), mul(sub(prod1, gt(remainder, prod0)), add(div(sub(0, UNIT_LPOTD), UNIT_LPOTD), 1)) ), UNIT_INVERSE ) } } /// @notice Calculates x*y÷denominator with 512-bit precision. /// /// @dev This is an extension of {mulDiv} for signed numbers, which works by computing the signs and the absolute values separately. /// /// Notes: /// - The result is rounded toward zero. /// /// Requirements: /// - Refer to the requirements in {mulDiv}. /// - None of the inputs can be `type(int256).min`. /// - The result must fit in int256. /// /// @param x The multiplicand as an int256. /// @param y The multiplier as an int256. /// @param denominator The divisor as an int256. /// @return result The result as an int256. /// @custom:smtchecker abstract-function-nondet function mulDivSigned(int256 x, int256 y, int256 denominator) pure returns (int256 result) { if (x == type(int256).min || y == type(int256).min || denominator == type(int256).min) { revert PRBMath_MulDivSigned_InputTooSmall(); } // Get hold of the absolute values of x, y and the denominator. uint256 xAbs; uint256 yAbs; uint256 dAbs; unchecked { xAbs = x < 0 ? uint256(-x) : uint256(x); yAbs = y < 0 ? uint256(-y) : uint256(y); dAbs = denominator < 0 ? uint256(-denominator) : uint256(denominator); } // Compute the absolute value of x*y÷denominator. The result must fit in int256. uint256 resultAbs = mulDiv(xAbs, yAbs, dAbs); if (resultAbs > uint256(type(int256).max)) { revert PRBMath_MulDivSigned_Overflow(x, y); } // Get the signs of x, y and the denominator. uint256 sx; uint256 sy; uint256 sd; assembly ("memory-safe") { // "sgt" is the "signed greater than" assembly instruction and "sub(0,1)" is -1 in two's complement. sx := sgt(x, sub(0, 1)) sy := sgt(y, sub(0, 1)) sd := sgt(denominator, sub(0, 1)) } // XOR over sx, sy and sd. What this does is to check whether there are 1 or 3 negative signs in the inputs. // If there are, the result should be negative. Otherwise, it should be positive. unchecked { result = sx ^ sy ^ sd == 0 ? -int256(resultAbs) : int256(resultAbs); } } /// @notice Calculates the square root of x using the Babylonian method. /// /// @dev See https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method. /// /// Notes: /// - If x is not a perfect square, the result is rounded down. /// - Credits to OpenZeppelin for the explanations in comments below. /// /// @param x The uint256 number for which to calculate the square root. /// @return result The result as a uint256. /// @custom:smtchecker abstract-function-nondet function sqrt(uint256 x) pure returns (uint256 result) { if (x == 0) { return 0; } // For our first guess, we calculate the biggest power of 2 which is smaller than the square root of x. // // We know that the "msb" (most significant bit) of x is a power of 2 such that we have: // // $$ // msb(x) <= x <= 2*msb(x)$ // $$ // // We write $msb(x)$ as $2^k$, and we get: // // $$ // k = log_2(x) // $$ // // Thus, we can write the initial inequality as: // // $$ // 2^{log_2(x)} <= x <= 2*2^{log_2(x)+1} \\ // sqrt(2^k) <= sqrt(x) < sqrt(2^{k+1}) \\ // 2^{k/2} <= sqrt(x) < 2^{(k+1)/2} <= 2^{(k/2)+1} // $$ // // Consequently, $2^{log_2(x) /2} is a good first approximation of sqrt(x) with at least one correct bit. uint256 xAux = uint256(x); result = 1; if (xAux >= 2 ** 128) { xAux >>= 128; result <<= 64; } if (xAux >= 2 ** 64) { xAux >>= 64; result <<= 32; } if (xAux >= 2 ** 32) { xAux >>= 32; result <<= 16; } if (xAux >= 2 ** 16) { xAux >>= 16; result <<= 8; } if (xAux >= 2 ** 8) { xAux >>= 8; result <<= 4; } if (xAux >= 2 ** 4) { xAux >>= 4; result <<= 2; } if (xAux >= 2 ** 2) { result <<= 1; } // At this point, `result` is an estimation with at least one bit of precision. We know the true value has at // most 128 bits, since it is the square root of a uint256. Newton's method converges quadratically (precision // doubles at every iteration). We thus need at most 7 iteration to turn our partial result with one bit of // precision into the expected uint128 result. unchecked { result = (result + x / result) >> 1; result = (result + x / result) >> 1; result = (result + x / result) >> 1; result = (result + x / result) >> 1; result = (result + x / result) >> 1; result = (result + x / result) >> 1; result = (result + x / result) >> 1; // If x is not a perfect square, round the result toward zero. uint256 roundedResult = x / result; if (result >= roundedResult) { result = roundedResult; } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.16; import {IJBOperatable} from './../interfaces/IJBOperatable.sol'; import {IJBOperatorStore} from './../interfaces/IJBOperatorStore.sol'; /// @notice Modifiers to allow access to functions based on the message sender's operator status. abstract contract JBOperatable is IJBOperatable { //*********************************************************************// // --------------------------- custom errors -------------------------- // //*********************************************************************// error UNAUTHORIZED(); //*********************************************************************// // ---------------------------- modifiers ---------------------------- // //*********************************************************************// /// @notice Only allows the speficied account or an operator of the account to proceed. /// @param _account The account to check for. /// @param _domain The domain namespace to look for an operator within. /// @param _permissionIndex The index of the permission to check for. modifier requirePermission( address _account, uint256 _domain, uint256 _permissionIndex ) { _requirePermission(_account, _domain, _permissionIndex); _; } /// @notice Only allows the speficied account, an operator of the account to proceed, or a truthy override flag. /// @param _account The account to check for. /// @param _domain The domain namespace to look for an operator within. /// @param _permissionIndex The index of the permission to check for. /// @param _override A condition to force allowance for. modifier requirePermissionAllowingOverride( address _account, uint256 _domain, uint256 _permissionIndex, bool _override ) { _requirePermissionAllowingOverride(_account, _domain, _permissionIndex, _override); _; } //*********************************************************************// // ---------------- public immutable stored properties --------------- // //*********************************************************************// /// @notice A contract storing operator assignments. IJBOperatorStore public immutable override operatorStore; //*********************************************************************// // -------------------------- constructor ---------------------------- // //*********************************************************************// /// @param _operatorStore A contract storing operator assignments. constructor(IJBOperatorStore _operatorStore) { operatorStore = _operatorStore; } //*********************************************************************// // -------------------------- internal views ------------------------- // //*********************************************************************// /// @notice Require the message sender is either the account or has the specified permission. /// @param _account The account to allow. /// @param _domain The domain namespace within which the permission index will be checked. /// @param _permissionIndex The permission index that an operator must have within the specified domain to be allowed. function _requirePermission( address _account, uint256 _domain, uint256 _permissionIndex ) internal view { if ( msg.sender != _account && !operatorStore.hasPermission(msg.sender, _account, _domain, _permissionIndex) && !operatorStore.hasPermission(msg.sender, _account, 0, _permissionIndex) ) revert UNAUTHORIZED(); } /// @notice Require the message sender is either the account, has the specified permission, or the override condition is true. /// @param _account The account to allow. /// @param _domain The domain namespace within which the permission index will be checked. /// @param _domain The permission index that an operator must have within the specified domain to be allowed. /// @param _override The override condition to allow. function _requirePermissionAllowingOverride( address _account, uint256 _domain, uint256 _permissionIndex, bool _override ) internal view { if ( !_override && msg.sender != _account && !operatorStore.hasPermission(msg.sender, _account, _domain, _permissionIndex) && !operatorStore.hasPermission(msg.sender, _account, 0, _permissionIndex) ) revert UNAUTHORIZED(); } }
// SPDX-License-Identifier: MIT // Juicebox variation on OpenZeppelin Ownable pragma solidity ^0.8.0; import { JBOwnableOverrides, IJBProjects, IJBOperatorStore } from "./JBOwnableOverrides.sol"; contract JBOwnable is JBOwnableOverrides { event OwnershipTransferred( address indexed previousOwner, address indexed newOwner ); /** @param _projects the JBProjects to use to get the owner of the project @param _operatorStore the operatorStore to use for the permissions */ constructor( IJBProjects _projects, IJBOperatorStore _operatorStore ) JBOwnableOverrides(_projects, _operatorStore) {} /** * @dev Throws if called by an account that is not the owner and does not have permission to act as the owner */ modifier onlyOwner() virtual { _checkOwner(); _; } function _emitTransferEvent(address previousOwner, address newOwner) internal virtual override { emit OwnershipTransferred(previousOwner, newOwner); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.16; import {JBFundingCycle} from './../structs/JBFundingCycle.sol'; import {JBFundingCycleMetadata} from './../structs/JBFundingCycleMetadata.sol'; import {JBGlobalFundingCycleMetadata} from './../structs/JBGlobalFundingCycleMetadata.sol'; import {JBConstants} from './JBConstants.sol'; import {JBGlobalFundingCycleMetadataResolver} from './JBGlobalFundingCycleMetadataResolver.sol'; library JBFundingCycleMetadataResolver { function global(JBFundingCycle memory _fundingCycle) internal pure returns (JBGlobalFundingCycleMetadata memory) { return JBGlobalFundingCycleMetadataResolver.expandMetadata(uint8(_fundingCycle.metadata >> 8)); } function reservedRate(JBFundingCycle memory _fundingCycle) internal pure returns (uint256) { return uint256(uint16(_fundingCycle.metadata >> 24)); } function redemptionRate(JBFundingCycle memory _fundingCycle) internal pure returns (uint256) { // Redemption rate is a number 0-10000. It's inverse was stored so the most common case of 100% results in no storage needs. return JBConstants.MAX_REDEMPTION_RATE - uint256(uint16(_fundingCycle.metadata >> 40)); } function ballotRedemptionRate(JBFundingCycle memory _fundingCycle) internal pure returns (uint256) { // Redemption rate is a number 0-10000. It's inverse was stored so the most common case of 100% results in no storage needs. return JBConstants.MAX_REDEMPTION_RATE - uint256(uint16(_fundingCycle.metadata >> 56)); } function payPaused(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 72) & 1) == 1; } function distributionsPaused(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 73) & 1) == 1; } function redeemPaused(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 74) & 1) == 1; } function burnPaused(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 75) & 1) == 1; } function mintingAllowed(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 76) & 1) == 1; } function terminalMigrationAllowed(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 77) & 1) == 1; } function controllerMigrationAllowed(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 78) & 1) == 1; } function shouldHoldFees(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 79) & 1) == 1; } function preferClaimedTokenOverride(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 80) & 1) == 1; } function useTotalOverflowForRedemptions(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return ((_fundingCycle.metadata >> 81) & 1) == 1; } function useDataSourceForPay(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return (_fundingCycle.metadata >> 82) & 1 == 1; } function useDataSourceForRedeem(JBFundingCycle memory _fundingCycle) internal pure returns (bool) { return (_fundingCycle.metadata >> 83) & 1 == 1; } function dataSource(JBFundingCycle memory _fundingCycle) internal pure returns (address) { return address(uint160(_fundingCycle.metadata >> 84)); } function metadata(JBFundingCycle memory _fundingCycle) internal pure returns (uint256) { return uint256(uint8(_fundingCycle.metadata >> 244)); } /// @notice Pack the funding cycle metadata. /// @param _metadata The metadata to validate and pack. /// @return packed The packed uint256 of all metadata params. The first 8 bits specify the version. function packFundingCycleMetadata(JBFundingCycleMetadata memory _metadata) internal pure returns (uint256 packed) { // version 1 in the bits 0-7 (8 bits). packed = 1; // global metadta in bits 8-23 (16 bits). packed |= JBGlobalFundingCycleMetadataResolver.packFundingCycleGlobalMetadata(_metadata.global) << 8; // reserved rate in bits 24-39 (16 bits). packed |= _metadata.reservedRate << 24; // redemption rate in bits 40-55 (16 bits). // redemption rate is a number 0-10000. Store the reverse so the most common case of 100% results in no storage needs. packed |= (JBConstants.MAX_REDEMPTION_RATE - _metadata.redemptionRate) << 40; // ballot redemption rate rate in bits 56-71 (16 bits). // ballot redemption rate is a number 0-10000. Store the reverse so the most common case of 100% results in no storage needs. packed |= (JBConstants.MAX_REDEMPTION_RATE - _metadata.ballotRedemptionRate) << 56; // pause pay in bit 72. if (_metadata.pausePay) packed |= 1 << 72; // pause tap in bit 73. if (_metadata.pauseDistributions) packed |= 1 << 73; // pause redeem in bit 74. if (_metadata.pauseRedeem) packed |= 1 << 74; // pause burn in bit 75. if (_metadata.pauseBurn) packed |= 1 << 75; // allow minting in bit 76. if (_metadata.allowMinting) packed |= 1 << 76; // allow terminal migration in bit 77. if (_metadata.allowTerminalMigration) packed |= 1 << 77; // allow controller migration in bit 78. if (_metadata.allowControllerMigration) packed |= 1 << 78; // hold fees in bit 79. if (_metadata.holdFees) packed |= 1 << 79; // prefer claimed token override in bit 80. if (_metadata.preferClaimedTokenOverride) packed |= 1 << 80; // useTotalOverflowForRedemptions in bit 81. if (_metadata.useTotalOverflowForRedemptions) packed |= 1 << 81; // use pay data source in bit 82. if (_metadata.useDataSourceForPay) packed |= 1 << 82; // use redeem data source in bit 83. if (_metadata.useDataSourceForRedeem) packed |= 1 << 83; // data source address in bits 84-243. packed |= uint256(uint160(address(_metadata.dataSource))) << 84; // metadata in bits 244-252 (8 bits). packed |= _metadata.metadata << 244; } /// @notice Expand the funding cycle metadata. /// @param _fundingCycle The funding cycle having its metadata expanded. /// @return metadata The metadata object. function expandMetadata(JBFundingCycle memory _fundingCycle) internal pure returns (JBFundingCycleMetadata memory) { return JBFundingCycleMetadata( global(_fundingCycle), reservedRate(_fundingCycle), redemptionRate(_fundingCycle), ballotRedemptionRate(_fundingCycle), payPaused(_fundingCycle), distributionsPaused(_fundingCycle), redeemPaused(_fundingCycle), burnPaused(_fundingCycle), mintingAllowed(_fundingCycle), terminalMigrationAllowed(_fundingCycle), controllerMigrationAllowed(_fundingCycle), shouldHoldFees(_fundingCycle), preferClaimedTokenOverride(_fundingCycle), useTotalOverflowForRedemptions(_fundingCycle), useDataSourceForPay(_fundingCycle), useDataSourceForRedeem(_fundingCycle), dataSource(_fundingCycle), metadata(_fundingCycle) ); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {JBBallotState} from './../enums/JBBallotState.sol'; import {JBFundingCycle} from './../structs/JBFundingCycle.sol'; import {JBFundingCycleData} from './../structs/JBFundingCycleData.sol'; interface IJBFundingCycleStore { event Configure( uint256 indexed configuration, uint256 indexed projectId, JBFundingCycleData data, uint256 metadata, uint256 mustStartAtOrAfter, address caller ); event Init(uint256 indexed configuration, uint256 indexed projectId, uint256 indexed basedOn); function latestConfigurationOf(uint256 projectId) external view returns (uint256); function get( uint256 projectId, uint256 configuration ) external view returns (JBFundingCycle memory); function latestConfiguredOf( uint256 projectId ) external view returns (JBFundingCycle memory fundingCycle, JBBallotState ballotState); function queuedOf(uint256 projectId) external view returns (JBFundingCycle memory fundingCycle); function currentOf(uint256 projectId) external view returns (JBFundingCycle memory fundingCycle); function currentBallotStateOf(uint256 projectId) external view returns (JBBallotState); function configureFor( uint256 projectId, JBFundingCycleData calldata data, uint256 metadata, uint256 mustStartAtOrAfter ) external returns (JBFundingCycle memory fundingCycle); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IJBPriceFeed} from './IJBPriceFeed.sol'; interface IJBPrices { event AddFeed(uint256 indexed currency, uint256 indexed base, IJBPriceFeed feed); function feedFor(uint256 currency, uint256 base) external view returns (IJBPriceFeed); function priceFor( uint256 currency, uint256 base, uint256 decimals ) external view returns (uint256); function addFeedFor(uint256 currency, uint256 base, IJBPriceFeed priceFeed) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IERC721} from '@openzeppelin/contracts/token/ERC721/IERC721.sol'; import {JBProjectMetadata} from './../structs/JBProjectMetadata.sol'; import {IJBTokenUriResolver} from './IJBTokenUriResolver.sol'; interface IJBProjects is IERC721 { event Create( uint256 indexed projectId, address indexed owner, JBProjectMetadata metadata, address caller ); event SetMetadata(uint256 indexed projectId, JBProjectMetadata metadata, address caller); event SetTokenUriResolver(IJBTokenUriResolver indexed resolver, address caller); function count() external view returns (uint256); function metadataContentOf( uint256 projectId, uint256 domain ) external view returns (string memory); function tokenUriResolver() external view returns (IJBTokenUriResolver); function createFor( address owner, JBProjectMetadata calldata metadata ) external returns (uint256 projectId); function setMetadataOf(uint256 projectId, JBProjectMetadata calldata metadata) external; function setTokenUriResolver(IJBTokenUriResolver newResolver) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IJBFundingCycleStore} from './IJBFundingCycleStore.sol'; import {IJBPaymentTerminal} from './IJBPaymentTerminal.sol'; import {IJBProjects} from './IJBProjects.sol'; interface IJBDirectory { event SetController(uint256 indexed projectId, address indexed controller, address caller); event AddTerminal(uint256 indexed projectId, IJBPaymentTerminal indexed terminal, address caller); event SetTerminals(uint256 indexed projectId, IJBPaymentTerminal[] terminals, address caller); event SetPrimaryTerminal( uint256 indexed projectId, address indexed token, IJBPaymentTerminal indexed terminal, address caller ); event SetIsAllowedToSetFirstController(address indexed addr, bool indexed flag, address caller); function projects() external view returns (IJBProjects); function fundingCycleStore() external view returns (IJBFundingCycleStore); function controllerOf(uint256 projectId) external view returns (address); function isAllowedToSetFirstController(address account) external view returns (bool); function terminalsOf(uint256 projectId) external view returns (IJBPaymentTerminal[] memory); function isTerminalOf( uint256 projectId, IJBPaymentTerminal terminal ) external view returns (bool); function primaryTerminalOf( uint256 projectId, address token ) external view returns (IJBPaymentTerminal); function setControllerOf(uint256 projectId, address controller) external; function setTerminalsOf(uint256 projectId, IJBPaymentTerminal[] calldata terminals) external; function setPrimaryTerminalOf( uint256 projectId, address token, IJBPaymentTerminal terminal ) external; function setIsAllowedToSetFirstController(address account, bool flag) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IJBPaymentTerminal} from './../interfaces/IJBPaymentTerminal.sol'; import {JBTokenAmount} from './JBTokenAmount.sol'; /// @custom:member terminal The terminal that is facilitating the redemption. /// @custom:member holder The holder of the tokens being redeemed. /// @custom:member projectId The ID of the project whos tokens are being redeemed. /// @custom:member currentFundingCycleConfiguration The configuration of the funding cycle during which the redemption is being made. /// @custom:member tokenCount The proposed number of tokens being redeemed, as a fixed point number with 18 decimals. /// @custom:member totalSupply The total supply of tokens used in the calculation, as a fixed point number with 18 decimals. /// @custom:member overflow The amount of overflow used in the reclaim amount calculation. /// @custom:member reclaimAmount The amount that should be reclaimed by the redeemer using the protocol's standard bonding curve redemption formula. Includes the token being reclaimed, the reclaim value, the number of decimals included, and the currency of the reclaim amount. /// @custom:member useTotalOverflow If overflow across all of a project's terminals is being used when making redemptions. /// @custom:member redemptionRate The redemption rate of the funding cycle during which the redemption is being made. /// @custom:member memo The proposed memo that is being emitted alongside the redemption. /// @custom:member metadata Extra data provided by the redeemer. struct JBRedeemParamsData { IJBPaymentTerminal terminal; address holder; uint256 projectId; uint256 currentFundingCycleConfiguration; uint256 tokenCount; uint256 totalSupply; uint256 overflow; JBTokenAmount reclaimAmount; bool useTotalOverflow; uint256 redemptionRate; string memo; bytes metadata; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {JBTokenAmount} from './JBTokenAmount.sol'; /// @custom:member payer The address from which the payment originated. /// @custom:member projectId The ID of the project for which the payment was made. /// @custom:member currentFundingCycleConfiguration The configuration of the funding cycle during which the payment is being made. /// @custom:member amount The amount of the payment. Includes the token being paid, the value, the number of decimals included, and the currency of the amount. /// @custom:member forwardedAmount The amount of the payment that is being sent to the delegate. Includes the token being paid, the value, the number of decimals included, and the currency of the amount. /// @custom:member projectTokenCount The number of project tokens minted for the beneficiary. /// @custom:member beneficiary The address to which the tokens were minted. /// @custom:member preferClaimedTokens A flag indicating whether the request prefered to mint project tokens into the beneficiaries wallet rather than leaving them unclaimed. This is only possible if the project has an attached token contract. /// @custom:member memo The memo that is being emitted alongside the payment. /// @custom:member dataSourceMetadata Extra data to send to the delegate sent by the data source. /// @custom:member payerMetadata Extra data to send to the delegate sent by the payer. struct JBDidPayData3_1_1 { address payer; uint256 projectId; uint256 currentFundingCycleConfiguration; JBTokenAmount amount; JBTokenAmount forwardedAmount; uint256 projectTokenCount; address beneficiary; bool preferClaimedTokens; string memo; bytes dataSourceMetadata; bytes payerMetadata; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IJBFundingCycleBallot} from './../interfaces/IJBFundingCycleBallot.sol'; /// @custom:member number The funding cycle number for the cycle's project. Each funding cycle has a number that is an increment of the cycle that directly preceded it. Each project's first funding cycle has a number of 1. /// @custom:member configuration The timestamp when the parameters for this funding cycle were configured. This value will stay the same for subsequent funding cycles that roll over from an originally configured cycle. /// @custom:member basedOn The `configuration` of the funding cycle that was active when this cycle was created. /// @custom:member start The timestamp marking the moment from which the funding cycle is considered active. It is a unix timestamp measured in seconds. /// @custom:member duration The number of seconds the funding cycle lasts for, after which a new funding cycle will start. A duration of 0 means that the funding cycle will stay active until the project owner explicitly issues a reconfiguration, at which point a new funding cycle will immediately start with the updated properties. If the duration is greater than 0, a project owner cannot make changes to a funding cycle's parameters while it is active – any proposed changes will apply to the subsequent cycle. If no changes are proposed, a funding cycle rolls over to another one with the same properties but new `start` timestamp and a discounted `weight`. /// @custom:member weight A fixed point number with 18 decimals that contracts can use to base arbitrary calculations on. For example, payment terminals can use this to determine how many tokens should be minted when a payment is received. /// @custom:member discountRate A percent by how much the `weight` of the subsequent funding cycle should be reduced, if the project owner hasn't configured the subsequent funding cycle with an explicit `weight`. If it's 0, each funding cycle will have equal weight. If the number is 90%, the next funding cycle will have a 10% smaller weight. This weight is out of `JBConstants.MAX_DISCOUNT_RATE`. /// @custom:member ballot An address of a contract that says whether a proposed reconfiguration should be accepted or rejected. It can be used to create rules around how a project owner can change funding cycle parameters over time. /// @custom:member metadata Extra data that can be associated with a funding cycle. struct JBFundingCycle { uint256 number; uint256 configuration; uint256 basedOn; uint256 start; uint256 duration; uint256 weight; uint256 discountRate; IJBFundingCycleBallot ballot; uint256 metadata; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.16; import {mulDiv} from '@prb/math/src/Common.sol'; import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol"; import { IERC2981 } from "@openzeppelin/contracts/interfaces/IERC2981.sol"; import { IJBFundingCycleDataSource3_1_1 } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBFundingCycleDataSource3_1_1.sol"; import { IJBDirectory } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBDirectory.sol"; import { IJBPayDelegate3_1_1 } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBPayDelegate3_1_1.sol"; import { IJBRedemptionDelegate3_1_1 } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBRedemptionDelegate3_1_1.sol"; import { IJBPaymentTerminal } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBPaymentTerminal.sol"; import { JBConstants } from "@jbx-protocol/juice-contracts-v3/contracts/libraries/JBConstants.sol"; import { JBPayParamsData } from "@jbx-protocol/juice-contracts-v3/contracts/structs/JBPayParamsData.sol"; import { JBDidPayData3_1_1 } from "@jbx-protocol/juice-contracts-v3/contracts/structs/JBDidPayData3_1_1.sol"; import { JBDidRedeemData3_1_1 } from "@jbx-protocol/juice-contracts-v3/contracts/structs/JBDidRedeemData3_1_1.sol"; import { JBRedeemParamsData } from "@jbx-protocol/juice-contracts-v3/contracts/structs/JBRedeemParamsData.sol"; import { JBPayDelegateAllocation3_1_1 } from "@jbx-protocol/juice-contracts-v3/contracts/structs/JBPayDelegateAllocation3_1_1.sol"; import { JBRedemptionDelegateAllocation3_1_1 } from "@jbx-protocol/juice-contracts-v3/contracts/structs/JBRedemptionDelegateAllocation3_1_1.sol"; import { JBDelegateMetadataLib } from '@jbx-protocol/juice-delegate-metadata-lib/src/JBDelegateMetadataLib.sol'; import { IJB721Delegate } from "../interfaces/IJB721Delegate.sol"; import { ERC721 } from "./ERC721.sol"; /// @title JB721Delegate /// @notice This delegate makes NFTs available to a project's contributors upon payment, and allows project owners to enable NFT redemption for treasury assets. abstract contract JB721Delegate is ERC721, IJB721Delegate, IJBFundingCycleDataSource3_1_1, IJBPayDelegate3_1_1, IJBRedemptionDelegate3_1_1 { //*********************************************************************// // --------------------------- custom errors ------------------------- // //*********************************************************************// error INVALID_PAYMENT_EVENT(); error INVALID_REDEMPTION_EVENT(); error UNAUTHORIZED_TOKEN(uint256 _tokenId); error UNEXPECTED_TOKEN_REDEEMED(); error INVALID_REDEMPTION_METADATA(); //*********************************************************************// // --------------- public immutable stored properties ---------------- // //*********************************************************************// /// @notice The directory of terminals and controllers for projects. IJBDirectory public override immutable directory; /// @notice The 4bytes ID of this delegate, used for pay metadata parsing bytes4 public override immutable payMetadataDelegateId; /// @notice The 4bytes ID of this delegate, used for redeem metadata parsing bytes4 public override immutable redeemMetadataDelegateId; //*********************************************************************// // -------------------- public stored properties --------------------- // //*********************************************************************// /// @notice The Juicebox project ID this contract's functionality applies to. uint256 public override projectId; //*********************************************************************// // ------------------------- external views -------------------------- // //*********************************************************************// /// @notice This function gets called when the project receives a payment. It sets this contract as the delegate to get a callback from the terminal. Part of IJBFundingCycleDataSource. /// @param _data The Juicebox standard project payment data. /// @return weight The weight that tokens should get minted in accordance with. /// @return memo A memo to be forwarded to the event. /// @return delegateAllocations Amount to be sent to delegates instead of adding to local balance. function payParams(JBPayParamsData calldata _data) public view virtual override returns (uint256 weight, string memory memo, JBPayDelegateAllocation3_1_1[] memory delegateAllocations) { // Forward the received weight and memo, and use this contract as a pay delegate. weight = _data.weight; memo = _data.memo; delegateAllocations = new JBPayDelegateAllocation3_1_1[](1); delegateAllocations[0] = JBPayDelegateAllocation3_1_1(this, 0, bytes('')); } /// @notice This function gets called when the project's (NFT) token holders redeem. Part of IJBFundingCycleDataSource. /// @param _data Standard Juicebox project redemption data. /// @return reclaimAmount Amount to be reclaimed from the treasury. /// @return memo A memo to be forwarded to the event. /// @return delegateAllocations Amount to be sent to delegates instead of being added to the beneficiary. function redeemParams(JBRedeemParamsData calldata _data) public view virtual override returns (uint256 reclaimAmount, string memory memo, JBRedemptionDelegateAllocation3_1_1[] memory delegateAllocations) { // Make sure fungible project tokens aren't also being redeemed. if (_data.tokenCount > 0) revert UNEXPECTED_TOKEN_REDEEMED(); // fetch this delegates metadata from the delegate id (bool _found, bytes memory _metadata) = JBDelegateMetadataLib.getMetadata(redeemMetadataDelegateId, _data.metadata); // Set the only delegate allocation to be a callback to this contract. delegateAllocations = new JBRedemptionDelegateAllocation3_1_1[](1); delegateAllocations[0] = JBRedemptionDelegateAllocation3_1_1(this, 0, bytes('')); uint256[] memory _decodedTokenIds; // Decode the metadata if (_found) _decodedTokenIds = abi.decode(_metadata, (uint256[])); // Get a reference to the redemption rate of the provided tokens. uint256 _redemptionWeight = redemptionWeightOf(_decodedTokenIds, _data); // Get a reference to the total redemption weight. uint256 _total = totalRedemptionWeight(_data); // Get a reference to the linear proportion. uint256 _base = mulDiv(_data.overflow, _redemptionWeight, _total); // These conditions are all part of the same curve. Edge conditions are separated because fewer operation are necessary. if (_data.redemptionRate == JBConstants.MAX_REDEMPTION_RATE) { return (_base, _data.memo, delegateAllocations); } // Return the weighted overflow, and this contract as the delegate so that tokens can be deleted. return ( mulDiv( _base, _data.redemptionRate + mulDiv(_redemptionWeight, JBConstants.MAX_REDEMPTION_RATE - _data.redemptionRate, _total), JBConstants.MAX_REDEMPTION_RATE ), _data.memo, delegateAllocations ); } //*********************************************************************// // -------------------------- public views --------------------------- // //*********************************************************************// /// @notice Returns the cumulative redemption weight of the given token IDs relative to the `totalRedemptionWeight`. /// @param _tokenIds The token IDs to calculate the cumulative redemption weight for. /// @param _data Standard Juicebox project redemption data. /// @return The cumulative redemption weight of the specified token IDs. function redemptionWeightOf(uint256[] memory _tokenIds, JBRedeemParamsData calldata _data) public view virtual returns (uint256) { _tokenIds; // Prevents unused var compiler and natspec complaints. _data; // Prevents unused var compiler and natspec complaints. return 0; } /// @notice Calculates the cumulative redemption weight of all token IDs. /// @param _data Standard Juicebox project redemption data. /// @return Total cumulative redemption weight of all token IDs. function totalRedemptionWeight(JBRedeemParamsData calldata _data) public view virtual returns (uint256) { _data; // Prevents unused var compiler and natspec complaints. return 0; } /// @notice Indicates if this contract adheres to the specified interface. /// @dev See {IERC165-supportsInterface}. /// @param _interfaceId The ID of the interface to check for adherence to. function supportsInterface(bytes4 _interfaceId) public view virtual override(ERC721, IERC165) returns (bool) { return _interfaceId == type(IJB721Delegate).interfaceId || _interfaceId == type(IJBFundingCycleDataSource3_1_1).interfaceId || _interfaceId == type(IJBPayDelegate3_1_1).interfaceId || _interfaceId == type(IJBRedemptionDelegate3_1_1).interfaceId || _interfaceId == type(IERC2981).interfaceId || super.supportsInterface(_interfaceId); } //*********************************************************************// // -------------------------- constructor ---------------------------- // //*********************************************************************// /// @param _directory A directory of terminals and controllers for projects. /// @param _payMetadataDelegateId The 4bytes ID of this delegate, used for pay metadata parsing /// @param _redeemMetadataDelegateId The 4bytes ID of this delegate, used for redeem metadata parsing constructor(IJBDirectory _directory, bytes4 _payMetadataDelegateId, bytes4 _redeemMetadataDelegateId) { directory = _directory; payMetadataDelegateId = _payMetadataDelegateId; redeemMetadataDelegateId = _redeemMetadataDelegateId; } /// @notice Initializes the contract with project details and ERC721 token details. /// @param _projectId The ID of the project this contract's functionality applies to. /// @param _name The name of the token. /// @param _symbol The symbol representing the token. function _initialize(uint256 _projectId, string memory _name, string memory _symbol) internal { ERC721._initialize(_name, _symbol); projectId = _projectId; } //*********************************************************************// // ---------------------- external transactions ---------------------- // //*********************************************************************// /// @notice Mints an NFT to the contributor (_data.beneficiary) upon project payment if conditions are met. Part of IJBPayDelegate. /// @dev Reverts if the calling contract is not one of the project's terminals. /// @param _data Standard Juicebox project payment data. function didPay(JBDidPayData3_1_1 calldata _data) external payable virtual override { uint256 _projectId = projectId; // Make sure the caller is a terminal of the project, and that the call is being made on behalf of an interaction with the correct project. if ( msg.value != 0 || !directory.isTerminalOf(_projectId, IJBPaymentTerminal(msg.sender)) || _data.projectId != _projectId ) revert INVALID_PAYMENT_EVENT(); // Process the payment. _processPayment(_data); } /// @notice Burns specified NFTs upon token holder redemption, reclaiming funds from the project's balance to _data.beneficiary. Part of IJBRedeemDelegate. /// @dev Reverts if the calling contract is not one of the project's terminals. /// @param _data Standard Juicebox project redemption data. function didRedeem(JBDidRedeemData3_1_1 calldata _data) external payable virtual override { // Make sure the caller is a terminal of the project, and that the call is being made on behalf of an interaction with the correct project. if ( msg.value != 0 || !directory.isTerminalOf(projectId, IJBPaymentTerminal(msg.sender)) || _data.projectId != projectId ) revert INVALID_REDEMPTION_EVENT(); // fetch this delegates metadata from the delegate id (bool _found, bytes memory _metadata) = JBDelegateMetadataLib.getMetadata(redeemMetadataDelegateId, _data.redeemerMetadata); uint256[] memory _decodedTokenIds; // Decode the metadata. if (_found) _decodedTokenIds = abi.decode(_metadata, (uint256[])); // Get a reference to the number of token IDs being checked. uint256 _numberOfTokenIds = _decodedTokenIds.length; // Keep a reference to the token ID being iterated upon. uint256 _tokenId; // Iterate through all tokens, burning them if the owner is correct. for (uint256 _i; _i < _numberOfTokenIds;) { // Set the token's ID. _tokenId = _decodedTokenIds[_i]; // Make sure the token's owner is correct. if (_owners[_tokenId] != _data.holder) revert UNAUTHORIZED_TOKEN(_tokenId); // Burn the token. _burn(_tokenId); unchecked { ++_i; } } // Call the hook. _didBurn(_decodedTokenIds); } //*********************************************************************// // ---------------------- internal transactions ---------------------- // //*********************************************************************// /// @notice Process a received payment. /// @param _data Standard Juicebox project payment data. function _processPayment(JBDidPayData3_1_1 calldata _data) internal virtual { _data; // Prevents unused var compiler and natspec complaints. } /// @notice Executes after tokens have been burned via redemption. /// @param _tokenIds The IDs of the tokens that were burned. function _didBurn(uint256[] memory _tokenIds) internal virtual { _tokenIds; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import { IJBDirectory } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBDirectory.sol"; import { IJBFundingCycleStore } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBFundingCycleStore.sol"; import { IJBPrices } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBPrices.sol"; import { IJB721Delegate } from "./IJB721Delegate.sol"; import { IJB721TokenUriResolver } from "./IJB721TokenUriResolver.sol"; import { IJBTiered721DelegateStore } from "./IJBTiered721DelegateStore.sol"; import { JB721PricingParams } from "./../structs/JB721PricingParams.sol"; import { JB721TierParams } from "./../structs/JB721TierParams.sol"; import { JBTiered721Flags } from "./../structs/JBTiered721Flags.sol"; import { JBTiered721MintReservesForTiersData } from "./../structs/JBTiered721MintReservesForTiersData.sol"; import { JBTiered721MintForTiersData } from "./../structs/JBTiered721MintForTiersData.sol"; interface IJBTiered721Delegate is IJB721Delegate { event Mint( uint256 indexed tokenId, uint256 indexed tierId, address indexed beneficiary, uint256 totalAmountContributed, address caller ); event MintReservedToken( uint256 indexed tokenId, uint256 indexed tierId, address indexed beneficiary, address caller ); event AddTier(uint256 indexed tierId, JB721TierParams data, address caller); event RemoveTier(uint256 indexed tierId, address caller); event SetEncodedIPFSUri(uint256 indexed tierId, bytes32 encodedIPFSUri, address caller); event SetBaseUri(string indexed baseUri, address caller); event SetContractUri(string indexed contractUri, address caller); event SetTokenUriResolver(IJB721TokenUriResolver indexed newResolver, address caller); event AddCredits( uint256 indexed changeAmount, uint256 indexed newTotalCredits, address indexed account, address caller ); event UseCredits( uint256 indexed changeAmount, uint256 indexed newTotalCredits, address indexed account, address caller ); function codeOrigin() external view returns (address); function store() external view returns (IJBTiered721DelegateStore); function fundingCycleStore() external view returns (IJBFundingCycleStore); function pricingContext() external view returns (uint256, uint256, IJBPrices); function creditsOf(address _address) external view returns (uint256); function firstOwnerOf(uint256 _tokenId) external view returns (address); function baseURI() external view returns (string memory); function contractURI() external view returns (string memory); function adjustTiers(JB721TierParams[] memory tierDataToAdd, uint256[] memory tierIdsToRemove) external; function mintReservesFor(JBTiered721MintReservesForTiersData[] memory mintReservesForTiersData) external; function mintReservesFor(uint256 tierId, uint256 count) external; function mintFor(uint16[] calldata tierIds, address beneficiary) external returns (uint256[] memory tokenIds); function setMetadata( string memory baseUri, string calldata contractMetadataUri, IJB721TokenUriResolver tokenUriResolver, uint256 encodedIPFSUriTierId, bytes32 encodedIPFSUri ) external; function initialize( uint256 projectId, string memory name, string memory symbol, IJBFundingCycleStore fundingCycleStore, string memory baseUri, IJB721TokenUriResolver tokenUriResolver, string memory contractUri, JB721PricingParams memory pricing, IJBTiered721DelegateStore store, JBTiered721Flags memory flags ) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IJB721TokenUriResolver { function tokenUriOf(address nft, uint256 tokenId) external view returns (string memory tokenUri); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import { IJB721TokenUriResolver } from "./IJB721TokenUriResolver.sol"; import { JB721TierParams } from "./../structs/JB721TierParams.sol"; import { JB721Tier } from "./../structs/JB721Tier.sol"; import { JBTiered721Flags } from "./../structs/JBTiered721Flags.sol"; interface IJBTiered721DelegateStore { event CleanTiers(address indexed nft, address caller); function totalSupplyOf(address _nft) external view returns (uint256); function balanceOf(address _nft, address _owner) external view returns (uint256); function maxTierIdOf(address _nft) external view returns (uint256); function tiersOf( address nft, uint256[] calldata categories, bool includeResolvedUri, uint256 startingSortIndex, uint256 size ) external view returns (JB721Tier[] memory tiers); function tierOf(address nft, uint256 id, bool includeResolvedUri) external view returns (JB721Tier memory tier); function tierBalanceOf(address nft, address owner, uint256 tier) external view returns (uint256); function tierOfTokenId(address nft, uint256 tokenId, bool includeResolvedUri) external view returns (JB721Tier memory tier); function tierIdOfToken(uint256 tokenId) external pure returns (uint256); function encodedIPFSUriOf(address nft, uint256 tierId) external view returns (bytes32); function redemptionWeightOf(address nft, uint256[] memory tokenIds) external view returns (uint256 weight); function totalRedemptionWeight(address nft) external view returns (uint256 weight); function numberOfReservedTokensOutstandingFor(address nft, uint256 tierId) external view returns (uint256); function numberOfReservesMintedFor(address nft, uint256 tierId) external view returns (uint256); function numberOfBurnedFor(address nft, uint256 tierId) external view returns (uint256); function isTierRemoved(address nft, uint256 tierId) external view returns (bool); function flagsOf(address nft) external view returns (JBTiered721Flags memory); function votingUnitsOf(address nft, address account) external view returns (uint256 units); function tierVotingUnitsOf(address nft, address account, uint256 tierId) external view returns (uint256 units); function defaultReservedTokenBeneficiaryOf(address nft) external view returns (address); function reservedTokenBeneficiaryOf(address nft, uint256 tierId) external view returns (address); function tokenUriResolverOf(address nft) external view returns (IJB721TokenUriResolver); function encodedTierIPFSUriOf(address nft, uint256 tokenId) external view returns (bytes32); function recordAddTiers(JB721TierParams[] memory tierData) external returns (uint256[] memory tierIds); function recordMintReservesFor(uint256 tierId, uint256 count) external returns (uint256[] memory tokenIds); function recordBurn(uint256[] memory tokenIds) external; function recordMint(uint256 amount, uint16[] calldata tierIds, bool isManualMint) external returns (uint256[] memory tokenIds, uint256 leftoverAmount); function recordTransferForTier(uint256 tierId, address from, address to) external; function recordRemoveTierIds(uint256[] memory tierIds) external; function recordSetTokenUriResolver(IJB721TokenUriResolver resolver) external; function recordSetEncodedIPFSUriOf(uint256 tierId, bytes32 encodedIPFSUri) external; function recordFlags(JBTiered721Flags calldata flag) external; function cleanTiers(address nft) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @title JBBitJB721Operationsmap /// @notice Occupy namespace operations. library JB721Operations { // 0...18 - JBOperations // 19 - JBOperations2 (ENS/Handle) // 20 - JBUriOperations (Set token URI) uint256 public constant ADJUST_TIERS = 21; uint256 public constant UPDATE_METADATA = 22; uint256 public constant MINT = 23; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.16; /// @title JBIpfsDecoder /// @notice Utilities to decode an IPFS hash. /// @dev This is fairly gas intensive, due to multiple nested loops, onchain IPFS hash decoding is therefore not advised (storing them as a string, in that use-case, *might* be more efficient). library JBIpfsDecoder { //*********************************************************************// // ------------------- internal constant properties ------------------ // //*********************************************************************// /** * @notice Just a kind reminder to our readers. * @dev Used in base58ToString */ bytes internal constant _ALPHABET = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; function decode(string memory _baseUri, bytes32 _hexString) internal pure returns (string memory) { // Concatenate the hex string with the fixed IPFS hash part (0x12 and 0x20) bytes memory completeHexString = abi.encodePacked(bytes2(0x1220), _hexString); // Convert the hex string to a hash string memory ipfsHash = _toBase58(completeHexString); // Concatenate with the base URI return string(abi.encodePacked(_baseUri, ipfsHash)); } /// @notice Convert a hex string to base58 /// @notice Written by Martin Ludfall - Licence: MIT function _toBase58(bytes memory _source) private pure returns (string memory) { if (_source.length == 0) return new string(0); uint8[] memory digits = new uint8[](46); // hash size with the prefix digits[0] = 0; uint8 digitlength = 1; uint256 _sourceLength = _source.length; for (uint256 i; i < _sourceLength;) { uint256 carry = uint8(_source[i]); for (uint256 j; j < digitlength;) { carry += uint256(digits[j]) << 8; // mul 256 digits[j] = uint8(carry % 58); carry = carry / 58; unchecked { ++j; } } while (carry > 0) { digits[digitlength] = uint8(carry % 58); unchecked { ++digitlength; } carry = carry / 58; } unchecked { ++i; } } return string(_toAlphabet(_reverse(_truncate(digits, digitlength)))); } function _truncate(uint8[] memory _array, uint8 _length) private pure returns (uint8[] memory) { uint8[] memory output = new uint8[](_length); for (uint256 i; i < _length;) { output[i] = _array[i]; unchecked { ++i; } } return output; } function _reverse(uint8[] memory _input) private pure returns (uint8[] memory) { uint256 _inputLength = _input.length; uint8[] memory output = new uint8[](_inputLength); for (uint256 i; i < _inputLength;) { unchecked { output[i] = _input[_input.length - 1 - i]; ++i; } } return output; } function _toAlphabet(uint8[] memory _indices) private pure returns (bytes memory) { uint256 _indicesLength = _indices.length; bytes memory output = new bytes(_indicesLength); for (uint256 i; i < _indicesLength;) { output[i] = _ALPHABET[_indices[i]]; unchecked { ++i; } } return output; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.16; import { JBTiered721FundingCycleMetadata } from "./../structs/JBTiered721FundingCycleMetadata.sol"; /// @title JBTiered721FundingCycleMetadataResolver /// @notice Utility library to parse and store tiered 721 funding cycle metadata. library JBTiered721FundingCycleMetadataResolver { function transfersPaused(uint256 _data) internal pure returns (bool) { return (_data & 1) == 1; } function mintingReservesPaused(uint256 _data) internal pure returns (bool) { return ((_data >> 1) & 1) == 1; } /// @notice Pack the tiered 721 funding cycle metadata. /// @param _metadata The metadata to validate and pack. /// @return packed The packed uint256 of all tiered 721 metadata params. function packTiered721FundingCycleMetadata(JBTiered721FundingCycleMetadata memory _metadata) internal pure returns (uint256 packed) { // pause transfers in bit 0. if (_metadata.pauseTransfers) packed |= 1; // pause mint reserves in bit 2. if (_metadata.pauseMintingReserves) packed |= 1 << 1; } /// @notice Expand the tiered 721 funding cycle metadata. /// @param _packedMetadata The packed metadata to expand. /// @return metadata The tiered 721 metadata object. function expandMetadata(uint8 _packedMetadata) internal pure returns (JBTiered721FundingCycleMetadata memory metadata) { return JBTiered721FundingCycleMetadata(transfersPaused(_packedMetadata), mintingReservesPaused(_packedMetadata)); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @custom:member price The minimum contribution to qualify for this tier. /// @custom:member initialQuantity The initial `remainingAllowance` value when the tier was set. /// @custom:member votingUnits The amount of voting significance to give this tier compared to others. /// @custom:member reservedRate The number of minted tokens needed in the tier to allow for minting another reserved token. /// @custom:member reservedRateBeneficiary The beneificary of the reserved tokens for this tier. /// @custom:member encodedIPFSUri The URI to use for each token within the tier. /// @custom:member category A category to group NFT tiers by. /// @custom:member allowManualMint A flag indicating if the contract's owner can mint from this tier on demand. /// @custom:member shouldUseReservedRateBeneficiaryAsDefault A flag indicating if the `reservedTokenBeneficiary` should be stored as the default beneficiary for all tiers. /// @custom:member transfersPausable A flag indicating if transfers from this tier can be pausable. /// @custom:member useVotingUnits A flag indicating if the voting units override should be used over the price as the tier's voting units. struct JB721TierParams { uint104 price; uint32 initialQuantity; uint32 votingUnits; uint16 reservedRate; address reservedTokenBeneficiary; bytes32 encodedIPFSUri; uint24 category; bool allowManualMint; bool shouldUseReservedTokenBeneficiaryAsDefault; bool transfersPausable; bool useVotingUnits; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.16; /// @custom:member id The tier's ID. /// @custom:member price The price that must be paid to qualify for this tier. /// @custom:member remainingQuantity Remaining number of tokens in this tier. Together with idCeiling this enables for consecutive, increasing token ids to be issued to contributors. /// @custom:member initialQuantity The initial `remainingAllowance` value when the tier was set. /// @custom:member votingUnits The amount of voting significance to give this tier compared to others. /// @custom:member reservedRate The number of minted tokens needed in the tier to allow for minting another reserved token. /// @custom:member reservedRateBeneficiary The beneificary of the reserved tokens for this tier. /// @custom:member encodedIPFSUri The URI to use for each token within the tier. /// @custom:member category A category to group NFT tiers by. /// @custom:member allowManualMint A flag indicating if the contract's owner can mint from this tier on demand. /// @custom:member transfersPausable A flag indicating if transfers from this tier can be pausable. /// @custom:member resolvedTokenUri A resolved token URI if a resolver is included for the NFT to which this tier belongs. struct JB721Tier { uint256 id; uint256 price; uint256 remainingQuantity; uint256 initialQuantity; uint256 votingUnits; uint256 reservedRate; address reservedTokenBeneficiary; bytes32 encodedIPFSUri; uint256 category; bool allowManualMint; bool transfersPausable; string resolvedUri; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @custom:member lockReservedTokenChanges A flag indicating if reserved tokens can change over time by adding new tiers with a reserved rate. /// @custom:member lockVotingUnitChanges A flag indicating if voting unit expectations can change over time by adding new tiers with voting units. /// @custom:member lockManualMintingChanges A flag indicating if manual minting expectations can change over time by adding new tiers with manual minting. /// @custom:member preventOverspending A flag indicating if payments sending more than the value the NFTs being minted are worth should be reverted. struct JBTiered721Flags { bool lockReservedTokenChanges; bool lockVotingUnitChanges; bool lockManualMintingChanges; bool preventOverspending; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBPrices.sol"; import "./JB721TierParams.sol"; /// @custom:member tiers The tiers to set. /// @custom:member currency The currency that the tier contribution floors are denoted in. /// @custom:member decimals The number of decimals included in the tier contribution floor fixed point numbers. /// @custom:member prices A contract that exposes price feeds that can be used to resolved the value of a contributions that are sent in different currencies. Set to the zero address if payments must be made in `currency`. struct JB721PricingParams { JB721TierParams[] tiers; uint48 currency; uint48 decimals; IJBPrices prices; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @custom:member tierId The ID of the tier to mint within. /// @custom:member count The number of reserved tokens to mint. struct JBTiered721MintReservesForTiersData { uint256 tierId; uint256 count; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.20; import './JBDelegateMetadataConstants.sol'; /** * @notice Library to parse and create delegate metadata * * @dev Metadata are built as: * - 32B of reserved space for the protocol * - a lookup table `delegateId: offset`, defining the offset of the metadata for each delegate. * The offset fits 1 bytes, the ID 4 bytes. This table is padded to 32B. * - the metadata for each delegate, padded to 32B each * * +-----------------------+ offset: 0 * | 32B reserved | * +-----------------------+ offset: 1 = end of first 32B * | (delegate1 ID,offset1)| * | (delegate2 ID,offset2)| * | 0's padding | * +-----------------------+ offset: offset1 = 1 + number of words taken by the padded table * | delegate 1 metadata1 | * | 0's padding | * +-----------------------+ offset: offset2 = offset1 + number of words taken by the metadata1 * | delegate 2 metadata2 | * | 0's padding | * +-----------------------+ */ library JBDelegateMetadataLib { /** * @notice Parse the metadata to find the metadata for a specific delegate * * @dev Returns false and an empty bytes if no metadata is found * * @param _id The delegate id to find * @param _metadata The metadata to parse * * @return _found Whether the metadata was found * @return _targetMetadata The metadata for the delegate */ function getMetadata(bytes4 _id, bytes calldata _metadata) internal pure returns (bool _found, bytes memory _targetMetadata) { // Either no metadata or empty one with only one selector (32+4+1) if (_metadata.length <= MIN_METADATA_LENGTH) return (false, ""); // Get the first data offset - upcast to avoid overflow (same for other offset) uint256 _firstOffset = uint8(_metadata[RESERVED_SIZE + ID_SIZE]); // Parse the id's to find _id, stop when next offset == 0 or current = first offset for (uint256 _i = RESERVED_SIZE; _metadata[_i + ID_SIZE] != bytes1(0) && _i < _firstOffset * WORD_SIZE;) { uint256 _currentOffset = uint256(uint8(_metadata[_i + ID_SIZE])); // _id found? if (bytes4(_metadata[_i:_i + ID_SIZE]) == _id) { // Are we at the end of the lookup table (either at the start of data's or next offset is 0/in the padding) // If not, only return until from this offset to the begining of the next offset uint256 _end = (_i + NEXT_DELEGATE_OFFSET >= _firstOffset * WORD_SIZE || _metadata[_i + NEXT_DELEGATE_OFFSET] == 0) ? _metadata.length : uint256(uint8(_metadata[_i + NEXT_DELEGATE_OFFSET])) * WORD_SIZE; return (true, _metadata[_currentOffset * WORD_SIZE:_end]); } unchecked { _i += TOTAL_ID_SIZE; } } } /** * @notice Add a delegate to an existing metadata * * @param _idToAdd The id of the delegate to add * @param _dataToAdd The metadata of the delegate to add * @param _originalMetadata The original metadata * * @return _newMetadata The new metadata with the delegate added */ function addToMetadata(bytes4 _idToAdd, bytes calldata _dataToAdd, bytes calldata _originalMetadata) public pure returns (bytes memory _newMetadata) { // Get the first data offset - upcast to avoid overflow (same for other offset)... uint256 _firstOffset = uint8(_originalMetadata[RESERVED_SIZE + ID_SIZE]); // ...go back to the beginning of the previous word (ie the last word of the table, as it can be padded) uint256 _lastWordOfTable = _firstOffset - 1; // The last offset stored in the table and its index uint256 _lastOffset; uint256 _lastOffsetIndex; // The number of words taken by the last data stored uint256 _numberOfWordslastData; // Iterate to find the last entry of the table, _lastOffset - we start from the end as the first value encountered // will be the last offset for(uint256 _i = _firstOffset * WORD_SIZE - 1; _i > _lastWordOfTable * WORD_SIZE - 1;) { // If the byte is not 0, this is the last offset we're looking for if (_originalMetadata[_i] != 0) { _lastOffset = uint8(_originalMetadata[_i]); _lastOffsetIndex = _i; // No rounding as this should be padded to 32B _numberOfWordslastData = (_originalMetadata.length - _lastOffset * WORD_SIZE) / WORD_SIZE; // Copy the reserved word and the table and remove the previous padding _newMetadata = _originalMetadata[0 : _lastOffsetIndex + 1]; // Check if the new entry is still fitting in this word if(_i + TOTAL_ID_SIZE >= _firstOffset * WORD_SIZE) { // Increment every offset by 1 (as the table now takes one more word) for (uint256 _j = RESERVED_SIZE + ID_SIZE; _j < _lastOffsetIndex + 1; _j += TOTAL_ID_SIZE) { _newMetadata[_j] = bytes1(uint8(_originalMetadata[_j]) + 1); } // Increment the last offset so the new offset will be properly set too _lastOffset++; } break; } unchecked { _i -= 1; } } // Add the new entry after the last entry of the table, the new offset is the last offset + the number of words taken by the last data _newMetadata = abi.encodePacked(_newMetadata, _idToAdd, bytes1(uint8(_lastOffset + _numberOfWordslastData))); // Pad as needed - inlined for gas saving uint256 _paddedLength = _newMetadata.length % WORD_SIZE == 0 ? _newMetadata.length : (_newMetadata.length / WORD_SIZE + 1) * WORD_SIZE; assembly { mstore(_newMetadata, _paddedLength) } // Add existing data at the end _newMetadata = abi.encodePacked(_newMetadata, _originalMetadata[_firstOffset * WORD_SIZE : _originalMetadata.length]); // Pad as needed _paddedLength = _newMetadata.length % WORD_SIZE == 0 ? _newMetadata.length : (_newMetadata.length / WORD_SIZE + 1) * WORD_SIZE; assembly { mstore(_newMetadata, _paddedLength) } // Append new data at the end _newMetadata = abi.encodePacked(_newMetadata, _dataToAdd); // Pad again again as needed _paddedLength = _newMetadata.length % WORD_SIZE == 0 ? _newMetadata.length : (_newMetadata.length / WORD_SIZE + 1) * WORD_SIZE; assembly { mstore(_newMetadata, _paddedLength) } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IJBOperatorStore} from './IJBOperatorStore.sol'; interface IJBOperatable { function operatorStore() external view returns (IJBOperatorStore); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {JBOperatorData} from './../structs/JBOperatorData.sol'; interface IJBOperatorStore { event SetOperator( address indexed operator, address indexed account, uint256 indexed domain, uint256[] permissionIndexes, uint256 packed ); function permissionsOf( address operator, address account, uint256 domain ) external view returns (uint256); function hasPermission( address operator, address account, uint256 domain, uint256 permissionIndex ) external view returns (bool); function hasPermissions( address operator, address account, uint256 domain, uint256[] calldata permissionIndexes ) external view returns (bool); function setOperator(JBOperatorData calldata operatorData) external; function setOperators(JBOperatorData[] calldata operatorData) external; }
// SPDX-License-Identifier: MIT // Juicebox variation on OpenZeppelin Ownable pragma solidity ^0.8.0; import { JBOwner } from "./struct/JBOwner.sol"; import { IJBOwnable } from "./interfaces/IJBOwnable.sol"; import { IJBOperatable } from '@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBOperatable.sol'; import { IJBOperatorStore } from "@jbx-protocol/juice-contracts-v3/contracts/abstract/JBOperatable.sol"; import { IJBProjects } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBProjects.sol"; import { Context } from "@openzeppelin/contracts/utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions and can grant other users permission to those functions. * * 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 or an approved address. * * Supports meta-transactions. */ abstract contract JBOwnableOverrides is Context, IJBOwnable, IJBOperatable { //*********************************************************************// // --------------------------- custom errors --------------------------// //*********************************************************************// error UNAUTHORIZED(); error INVALID_NEW_OWNER(address ownerAddress, uint256 projectId); //*********************************************************************// // ---------------- public immutable stored properties --------------- // //*********************************************************************// /** @notice A contract storing operator assignments. */ IJBOperatorStore public immutable operatorStore; /** @notice The IJBProjects to use to get the owner of a project */ IJBProjects public immutable projects; //*********************************************************************// // --------------------- public stored properties -------------------- // //*********************************************************************// /** @notice the JBOwner information */ JBOwner public override jbOwner; //*********************************************************************// // -------------------------- constructor ---------------------------- // //*********************************************************************// /** @param _projects the JBProjects to use to get the owner of the project @param _operatorStore the operatorStore to use for the permissions */ constructor( IJBProjects _projects, IJBOperatorStore _operatorStore ) { operatorStore = _operatorStore; projects = _projects; _transferOwnership(msg.sender); } //*********************************************************************// // ---------------------------- modifiers ---------------------------- // //*********************************************************************// /** @notice Only allows the speficied account or an operator of the account to proceed. @param _account The account to check for. @param _domain The domain namespace to look for an operator within. @param _permissionIndex The index of the permission to check for. */ modifier requirePermission( address _account, uint256 _domain, uint256 _permissionIndex ) { _requirePermission(_account, _domain, _permissionIndex); _; } /** @notice Only allows callers that have received permission from the projectOwner for this project. @param _permissionIndex The index of the permission to check for. */ modifier requirePermissionFromOwner( uint256 _permissionIndex ) { JBOwner memory _ownerData = jbOwner; address _owner = _ownerData.projectId == 0 ? _ownerData.owner : projects.ownerOf(_ownerData.projectId); _requirePermission(_owner, _ownerData.projectId, _permissionIndex); _; } /** @notice Only allows the speficied account, an operator of the account to proceed, or a truthy override flag. @param _account The account to check for. @param _domain The domain namespace to look for an operator within. @param _permissionIndex The index of the permission to check for. @param _override A condition to force allowance for. */ modifier requirePermissionAllowingOverride( address _account, uint256 _domain, uint256 _permissionIndex, bool _override ) { _requirePermissionAllowingOverride(_account, _domain, _permissionIndex, _override); _; } //*********************************************************************// // --------------------------- public methods ------------------------ // //*********************************************************************// /** @notice Returns the address of the current project owner. */ function owner() public view virtual returns (address) { JBOwner memory _ownerData = jbOwner; if(_ownerData.projectId == 0) return _ownerData.owner; return projects.ownerOf(_ownerData.projectId); } /** @notice Leaves the contract without owner. It will not be possible to call `onlyOwner`/`_checkOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual { _checkOwner(); _transferOwnership(address(0), 0); } /** @notice Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner. @param _newOwner the static address that should receive ownership */ function transferOwnership(address _newOwner) public virtual { _checkOwner(); if(_newOwner == address(0)) revert INVALID_NEW_OWNER(_newOwner, 0); _transferOwnership(_newOwner, 0); } /** @notice Transfer ownershipt of the contract to a (Juicebox) project @dev ProjectID is limited to a uint88 @param _projectId the project that should receive ownership */ function transferOwnershipToProject(uint256 _projectId) public virtual { _checkOwner(); if(_projectId == 0 || _projectId > type(uint88).max) revert INVALID_NEW_OWNER(address(0), _projectId); _transferOwnership(address(0), uint88(_projectId)); } /** @notice Sets the permission index that allows other callers to perform operations on behave of the project owner @param _permissionIndex the permissionIndex to use for 'onlyOwner' calls */ function setPermissionIndex(uint8 _permissionIndex) public virtual { _checkOwner(); _setPermissionIndex(_permissionIndex); } //*********************************************************************// // -------------------------- internal methods ----------------------- // //*********************************************************************// /** @dev Sets the permission index that allows other callers to perform operations on behave of the project owner Internal function without access restriction. @param _permissionIndex the permissionIndex to use for 'onlyOwner' calls */ function _setPermissionIndex(uint8 _permissionIndex) internal virtual { jbOwner.permissionIndex = _permissionIndex; emit PermissionIndexChanged(_permissionIndex); } /** @dev helper to allow for drop-in replacement of OZ @param _newOwner the static address that should become the owner of this contract */ function _transferOwnership(address _newOwner) internal virtual { _transferOwnership(_newOwner, 0); } /** @dev Transfers ownership of the contract to a new account (`_newOwner`) OR a project (`_projectID`). Internal function without access restriction. @param _newOwner the static owner address that should receive ownership @param _projectId the projectId this contract should follow ownership of */ function _transferOwnership(address _newOwner, uint88 _projectId) internal virtual { // Can't both set a new owner and set a projectId to have ownership if (_projectId != 0 && _newOwner != address(0)) revert INVALID_NEW_OWNER(_newOwner, _projectId); // Load the owner data from storage JBOwner memory _ownerData = jbOwner; // Get an address representation of the old owner address _oldOwner = _ownerData.projectId == 0 ? _ownerData.owner : projects.ownerOf(_ownerData.projectId); // Update the storage to the new owner and reset the permissionIndex // this is to prevent clashing permissions for the new user/owner jbOwner = JBOwner({ owner: _newOwner, projectId: _projectId, permissionIndex: 0 }); // Emit the ownership transferred event using an address representation of the new owner _emitTransferEvent(_oldOwner, _projectId == 0 ? _newOwner : projects.ownerOf(_projectId)); } //*********************************************************************// // -------------------------- internal views ------------------------- // //*********************************************************************// /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { JBOwner memory _ownerData = jbOwner; address _owner = _ownerData.projectId == 0 ? _ownerData.owner : projects.ownerOf(_ownerData.projectId); _requirePermission(_owner, _ownerData.projectId, _ownerData.permissionIndex); } /** @dev Require the message sender is either the account or has the specified permission. @param _account The account to allow. @param _domain The domain namespace within which the permission index will be checked. @param _permissionIndex The permission index that an operator must have within the specified domain to be allowed. */ function _requirePermission( address _account, uint256 _domain, uint256 _permissionIndex ) internal view virtual { address _sender = _msgSender(); if ( _sender != _account && !operatorStore.hasPermission( _sender, _account, _domain, _permissionIndex ) && !operatorStore.hasPermission(_sender, _account, 0, _permissionIndex) ) revert UNAUTHORIZED(); } /** @dev Require the message sender is either the account, has the specified permission, or the override condition is true. @param _account The account to allow. @param _domain The domain namespace within which the permission index will be checked. @param _domain The permission index that an operator must have within the specified domain to be allowed. @param _override The override condition to allow. */ function _requirePermissionAllowingOverride( address _account, uint256 _domain, uint256 _permissionIndex, bool _override ) internal view virtual { // short-circuit if the override is true if (_override) return; // Perform regular check otherwise _requirePermission(_account, _domain, _permissionIndex); } function _emitTransferEvent(address previousOwner, address newOwner) internal virtual; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {JBGlobalFundingCycleMetadata} from './JBGlobalFundingCycleMetadata.sol'; /// @custom:member global Data used globally in non-migratable ecosystem contracts. /// @custom:member reservedRate The reserved rate of the funding cycle. This number is a percentage calculated out of `JBConstants.MAX_RESERVED_RATE`. /// @custom:member redemptionRate The redemption rate of the funding cycle. This number is a percentage calculated out of `JBConstants.MAX_REDEMPTION_RATE`. /// @custom:member ballotRedemptionRate The redemption rate to use during an active ballot of the funding cycle. This number is a percentage calculated out of `JBConstants.MAX_REDEMPTION_RATE`. /// @custom:member pausePay A flag indicating if the pay functionality should be paused during the funding cycle. /// @custom:member pauseDistributions A flag indicating if the distribute functionality should be paused during the funding cycle. /// @custom:member pauseRedeem A flag indicating if the redeem functionality should be paused during the funding cycle. /// @custom:member pauseBurn A flag indicating if the burn functionality should be paused during the funding cycle. /// @custom:member allowMinting A flag indicating if minting tokens should be allowed during this funding cycle. /// @custom:member allowTerminalMigration A flag indicating if migrating terminals should be allowed during this funding cycle. /// @custom:member allowControllerMigration A flag indicating if migrating controllers should be allowed during this funding cycle. /// @custom:member holdFees A flag indicating if fees should be held during this funding cycle. /// @custom:member preferClaimedTokenOverride A flag indicating if claimed tokens should always be prefered to unclaimed tokens when minting. /// @custom:member useTotalOverflowForRedemptions A flag indicating if redemptions should use the project's balance held in all terminals instead of the project's local terminal balance from which the redemption is being fulfilled. /// @custom:member useDataSourceForPay A flag indicating if the data source should be used for pay transactions during this funding cycle. /// @custom:member useDataSourceForRedeem A flag indicating if the data source should be used for redeem transactions during this funding cycle. /// @custom:member dataSource The data source to use during this funding cycle. /// @custom:member metadata Metadata of the metadata, up to uint8 in size. struct JBFundingCycleMetadata { JBGlobalFundingCycleMetadata global; uint256 reservedRate; uint256 redemptionRate; uint256 ballotRedemptionRate; bool pausePay; bool pauseDistributions; bool pauseRedeem; bool pauseBurn; bool allowMinting; bool allowTerminalMigration; bool allowControllerMigration; bool holdFees; bool preferClaimedTokenOverride; bool useTotalOverflowForRedemptions; bool useDataSourceForPay; bool useDataSourceForRedeem; address dataSource; uint256 metadata; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @custom:member allowSetTerminals A flag indicating if setting terminals should be allowed during this funding cycle. /// @custom:member allowSetController A flag indicating if setting a new controller should be allowed during this funding cycle. /// @custom:member pauseTransfers A flag indicating if the project token transfer functionality should be paused during the funding cycle. struct JBGlobalFundingCycleMetadata { bool allowSetTerminals; bool allowSetController; bool pauseTransfers; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @notice Global constants used across Juicebox contracts. library JBConstants { uint256 public constant MAX_RESERVED_RATE = 10_000; uint256 public constant MAX_REDEMPTION_RATE = 10_000; uint256 public constant MAX_DISCOUNT_RATE = 1_000_000_000; uint256 public constant SPLITS_TOTAL_PERCENT = 1_000_000_000; uint256 public constant MAX_FEE = 1_000_000_000; uint256 public constant MAX_FEE_DISCOUNT = 1_000_000_000; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.16; import {JBFundingCycleMetadata} from './../structs/JBFundingCycleMetadata.sol'; import {JBGlobalFundingCycleMetadata} from './../structs/JBGlobalFundingCycleMetadata.sol'; library JBGlobalFundingCycleMetadataResolver { function setTerminalsAllowed(uint8 _data) internal pure returns (bool) { return (_data & 1) == 1; } function setControllerAllowed(uint8 _data) internal pure returns (bool) { return ((_data >> 1) & 1) == 1; } function transfersPaused(uint8 _data) internal pure returns (bool) { return ((_data >> 2) & 1) == 1; } /// @notice Pack the global funding cycle metadata. /// @param _metadata The metadata to validate and pack. /// @return packed The packed uint256 of all global metadata params. The first 8 bits specify the version. function packFundingCycleGlobalMetadata( JBGlobalFundingCycleMetadata memory _metadata ) internal pure returns (uint256 packed) { // allow set terminals in bit 0. if (_metadata.allowSetTerminals) packed |= 1; // allow set controller in bit 1. if (_metadata.allowSetController) packed |= 1 << 1; // pause transfers in bit 2. if (_metadata.pauseTransfers) packed |= 1 << 2; } /// @notice Expand the global funding cycle metadata. /// @param _packedMetadata The packed metadata to expand. /// @return metadata The global metadata object. function expandMetadata( uint8 _packedMetadata ) internal pure returns (JBGlobalFundingCycleMetadata memory metadata) { return JBGlobalFundingCycleMetadata( setTerminalsAllowed(_packedMetadata), setControllerAllowed(_packedMetadata), transfersPaused(_packedMetadata) ); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; enum JBBallotState { Active, Approved, Failed }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IJBFundingCycleBallot} from './../interfaces/IJBFundingCycleBallot.sol'; /// @custom:member duration The number of seconds the funding cycle lasts for, after which a new funding cycle will start. A duration of 0 means that the funding cycle will stay active until the project owner explicitly issues a reconfiguration, at which point a new funding cycle will immediately start with the updated properties. If the duration is greater than 0, a project owner cannot make changes to a funding cycle's parameters while it is active – any proposed changes will apply to the subsequent cycle. If no changes are proposed, a funding cycle rolls over to another one with the same properties but new `start` timestamp and a discounted `weight`. /// @custom:member weight A fixed point number with 18 decimals that contracts can use to base arbitrary calculations on. For example, payment terminals can use this to determine how many tokens should be minted when a payment is received. /// @custom:member discountRate A percent by how much the `weight` of the subsequent funding cycle should be reduced, if the project owner hasn't configured the subsequent funding cycle with an explicit `weight`. If it's 0, each funding cycle will have equal weight. If the number is 90%, the next funding cycle will have a 10% smaller weight. This weight is out of `JBConstants.MAX_DISCOUNT_RATE`. /// @custom:member ballot An address of a contract that says whether a proposed reconfiguration should be accepted or rejected. It can be used to create rules around how a project owner can change funding cycle parameters over time. struct JBFundingCycleData { uint256 duration; uint256 weight; uint256 discountRate; IJBFundingCycleBallot ballot; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IJBPriceFeed { function currentPrice(uint256 targetDecimals) external view returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 tokenId) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @custom:member content The metadata content. /// @custom:member domain The domain within which the metadata applies. struct JBProjectMetadata { string content; uint256 domain; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IJBTokenUriResolver { function getUri(uint256 projectId) external view returns (string memory tokenUri); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IERC165} from '@openzeppelin/contracts/utils/introspection/IERC165.sol'; interface IJBPaymentTerminal is IERC165 { function acceptsToken(address token, uint256 projectId) external view returns (bool); function currencyForToken(address token) external view returns (uint256); function decimalsForToken(address token) external view returns (uint256); // Return value must be a fixed point number with 18 decimals. function currentEthOverflowOf(uint256 projectId) external view returns (uint256); function pay( uint256 projectId, uint256 amount, address token, address beneficiary, uint256 minReturnedTokens, bool preferClaimedTokens, string calldata memo, bytes calldata metadata ) external payable returns (uint256 beneficiaryTokenCount); function addToBalanceOf( uint256 projectId, uint256 amount, address token, string calldata memo, bytes calldata metadata ) external payable; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @custom:member token The token the payment was made in. /// @custom:member value The amount of tokens that was paid, as a fixed point number. /// @custom:member decimals The number of decimals included in the value fixed point number. /// @custom:member currency The expected currency of the value. struct JBTokenAmount { address token; uint256 value; uint256 decimals; uint256 currency; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IERC165} from '@openzeppelin/contracts/utils/introspection/IERC165.sol'; import {JBBallotState} from './../enums/JBBallotState.sol'; interface IJBFundingCycleBallot is IERC165 { function duration() external view returns (uint256); function stateOf( uint256 projectId, uint256 configuration, uint256 start ) external view returns (JBBallotState); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol"; /** * @dev Interface for the NFT Royalty Standard. * * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal * support for royalty payments across all NFT marketplaces and ecosystem participants. * * _Available since v4.5._ */ interface IERC2981 is IERC165 { /** * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of * exchange. The royalty amount is denominated and should be paid in that same unit of exchange. */ function royaltyInfo( uint256 tokenId, uint256 salePrice ) external view returns (address receiver, uint256 royaltyAmount); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IERC165} from '@openzeppelin/contracts/utils/introspection/IERC165.sol'; import {JBPayDelegateAllocation3_1_1} from './../structs/JBPayDelegateAllocation3_1_1.sol'; import {JBPayParamsData} from './../structs/JBPayParamsData.sol'; import {JBRedeemParamsData} from './../structs/JBRedeemParamsData.sol'; import {JBRedemptionDelegateAllocation3_1_1} from './../structs/JBRedemptionDelegateAllocation3_1_1.sol'; /// @title Datasource /// @notice The datasource is called by JBPayoutRedemptionPaymentTerminals on pay and redemption, and provide an extra layer of logic to use a custom weight, a custom memo and/or a pay/redeem delegate interface IJBFundingCycleDataSource3_1_1 is IERC165 { /// @notice The datasource implementation for JBPaymentTerminal.pay(..) /// @param data the data passed to the data source in terminal.pay(..), as a JBPayParamsData struct: /// @return weight the weight to use to override the funding cycle weight /// @return memo the memo to override the pay(..) memo /// @return delegateAllocations The amount to send to delegates instead of adding to the local balance. function payParams( JBPayParamsData calldata data ) external view returns ( uint256 weight, string memory memo, JBPayDelegateAllocation3_1_1[] memory delegateAllocations ); /// @notice The datasource implementation for JBPaymentTerminal.redeemTokensOf(..) /// @param data the data passed to the data source in terminal.redeemTokensOf(..), as a JBRedeemParamsData struct: /// @return reclaimAmount The amount to claim, overriding the terminal logic. /// @return memo The memo to override the redeemTokensOf(..) memo. /// @return delegateAllocations The amount to send to delegates instead of adding to the beneficiary. function redeemParams( JBRedeemParamsData calldata data ) external view returns ( uint256 reclaimAmount, string memory memo, JBRedemptionDelegateAllocation3_1_1[] memory delegateAllocations ); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IERC165} from '@openzeppelin/contracts/utils/introspection/IERC165.sol'; import {JBDidPayData3_1_1} from './../structs/JBDidPayData3_1_1.sol'; /// @title Pay delegate /// @notice Delegate called after JBTerminal.pay(..) logic completion (if passed by the funding cycle datasource) interface IJBPayDelegate3_1_1 is IERC165 { /// @notice This function is called by JBPaymentTerminal.pay(..), after the execution of its logic /// @dev Critical business logic should be protected by an appropriate access control /// @param data the data passed by the terminal, as a JBDidPayData3_1_1 struct: function didPay(JBDidPayData3_1_1 calldata data) external payable; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IERC165} from '@openzeppelin/contracts/utils/introspection/IERC165.sol'; import {JBDidRedeemData3_1_1} from './../structs/JBDidRedeemData3_1_1.sol'; /// @title Redemption delegate /// @notice Delegate called after JBTerminal.redeemTokensOf(..) logic completion (if passed by the funding cycle datasource) interface IJBRedemptionDelegate3_1_1 is IERC165 { /// @notice This function is called by JBPaymentTerminal.redeemTokensOf(..), after the execution of its logic /// @dev Critical business logic should be protected by an appropriate access control /// @param data the data passed by the terminal, as a JBDidRedeemData struct: function didRedeem(JBDidRedeemData3_1_1 calldata data) external payable; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IJBPaymentTerminal} from './../interfaces/IJBPaymentTerminal.sol'; import {JBTokenAmount} from './JBTokenAmount.sol'; /// @custom:member terminal The terminal that is facilitating the payment. /// @custom:member payer The address from which the payment originated. /// @custom:member amount The amount of the payment. Includes the token being paid, the value, the number of decimals included, and the currency of the amount. /// @custom:member projectId The ID of the project being paid. /// @custom:member currentFundingCycleConfiguration The configuration of the funding cycle during which the payment is being made. /// @custom:member beneficiary The specified address that should be the beneficiary of anything that results from the payment. /// @custom:member weight The weight of the funding cycle during which the payment is being made. /// @custom:member reservedRate The reserved rate of the funding cycle during which the payment is being made. /// @custom:member memo The memo that was sent alongside the payment. /// @custom:member metadata Extra data provided by the payer. struct JBPayParamsData { IJBPaymentTerminal terminal; address payer; JBTokenAmount amount; uint256 projectId; uint256 currentFundingCycleConfiguration; address beneficiary; uint256 weight; uint256 reservedRate; string memo; bytes metadata; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {JBTokenAmount} from './JBTokenAmount.sol'; /// @custom:member holder The holder of the tokens being redeemed. /// @custom:member projectId The ID of the project with which the redeemed tokens are associated. /// @custom:member currentFundingCycleConfiguration The configuration of the funding cycle during which the redemption is being made. /// @custom:member projectTokenCount The number of project tokens being redeemed. /// @custom:member reclaimedAmount The amount reclaimed from the treasury. Includes the token being reclaimed, the value, the number of decimals included, and the currency of the amount. /// @custom:member forwardedAmount The amount of the payment that is being sent to the delegate. Includes the token being paid, the value, the number of decimals included, and the currency of the amount. /// @custom:member beneficiary The address to which the reclaimed amount will be sent. /// @custom:member memo The memo that is being emitted alongside the redemption. /// @custom:member dataSourceMetadata Extra data to send to the delegate sent by the data source. /// @custom:member redeemerMetadata Extra data to send to the delegate sent by the redeemer. struct JBDidRedeemData3_1_1 { address holder; uint256 projectId; uint256 currentFundingCycleConfiguration; uint256 projectTokenCount; JBTokenAmount reclaimedAmount; JBTokenAmount forwardedAmount; address payable beneficiary; string memo; bytes dataSourceMetadata; bytes redeemerMetadata; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IJBPayDelegate3_1_1} from '../interfaces/IJBPayDelegate3_1_1.sol'; /// @custom:member delegate A delegate contract to use for subsequent calls. /// @custom:member amount The amount to send to the delegate. /// @custom:member metadata Metadata to pass the delegate. struct JBPayDelegateAllocation3_1_1 { IJBPayDelegate3_1_1 delegate; uint256 amount; bytes metadata; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {IJBRedemptionDelegate3_1_1} from '../interfaces/IJBRedemptionDelegate3_1_1.sol'; /// @custom:member delegate A delegate contract to use for subsequent calls. /// @custom:member amount The amount to send to the delegate. /// @custom:member metadata Metadata to pass the delegate. struct JBRedemptionDelegateAllocation3_1_1 { IJBRedemptionDelegate3_1_1 delegate; uint256 amount; bytes metadata; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import { IJBDirectory } from "@jbx-protocol/juice-contracts-v3/contracts/interfaces/IJBDirectory.sol"; interface IJB721Delegate { function projectId() external view returns (uint256); function directory() external view returns (IJBDirectory); function payMetadataDelegateId() external view returns (bytes4); function redeemMetadataDelegateId() external view returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.16; import { IERC721 } from "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import { IERC721Receiver } from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol"; import { IERC721Metadata } from "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol"; import { Address } from "@openzeppelin/contracts/utils/Address.sol"; import { Context } from "@openzeppelin/contracts/utils/Context.sol"; import { Strings } from "@openzeppelin/contracts/utils/Strings.sol"; import { ERC165 } from "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol"; /** * @dev Doesn't track balances. * * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; error ALEADY_MINTED(); error APPROVE_TO_CALLER(); error APPROVAL_TO_CURRENT_OWNER(); error CALLER_NOT_OWNER_OR_APPROVED(); error INVALID_TOKEN_ID(); error INCORRECT_OWNER(); error MINT_TO_ZERO(); error TRANSFER_TO_NON_IMPLEMENTER(); error TRANSFER_TO_ZERO_ADDRESS(); // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) internal _owners; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ function _initialize(string memory name_, string memory symbol_) internal { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Balance tracking to be overriden by childs */ function balanceOf(address owner) external view virtual override returns (uint256 balance) { owner; return 0; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; if (owner == address(0)) revert INVALID_TOKEN_ID(); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); if (to == owner) revert APPROVAL_TO_CURRENT_OWNER(); if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) { revert CALLER_NOT_OWNER_OR_APPROVED(); } _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { _requireMinted(tokenId); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom(address from, address to, uint256 tokenId) public virtual override { //solhint-disable-next-line max-line-length if (!_isApprovedOrOwner(_msgSender(), tokenId)) revert CALLER_NOT_OWNER_OR_APPROVED(); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual override { if (!_isApprovedOrOwner(_msgSender(), tokenId)) revert CALLER_NOT_OWNER_OR_APPROVED(); _safeTransfer(from, to, tokenId, data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual { _transfer(from, to, tokenId); if (!_checkOnERC721Received(from, to, tokenId, data)) revert TRANSFER_TO_NON_IMPLEMENTER(); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { address owner = ERC721.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender); } /** * @dev Mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { if (to == address(0)) revert MINT_TO_ZERO(); if (_exists(tokenId)) revert ALEADY_MINTED(); _beforeTokenTransfer(address(0), to, tokenId); _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer(address from, address to, uint256 tokenId) internal virtual { if (ERC721.ownerOf(tokenId) != from) revert INCORRECT_OWNER(); if (to == address(0)) revert TRANSFER_TO_ZERO_ADDRESS(); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll(address owner, address operator, bool approved) internal virtual { if (owner == operator) revert APPROVE_TO_CALLER(); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { if (!_exists(tokenId)) revert INVALID_TOKEN_ID(); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory data) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert TRANSFER_TO_NON_IMPLEMENTER(); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer(address from, address to, uint256 tokenId) internal virtual {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @custom:member tierIds The IDs of the tier to mint within. /// @custom:member beneficiary The beneficiary to mint for. struct JBTiered721MintForTiersData { uint16[] tierIds; address beneficiary; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @custom:member pauseTransfers A flag indicating if the token transfer functionality should be paused during the funding cycle. /// @custom:member pauseMintingReserves A flag indicating if voting unit expectations can change over time by adding new tiers with voting units. struct JBTiered721FundingCycleMetadata { bool pauseTransfers; bool pauseMintingReserves; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.20; // The various sizes used in bytes. uint256 constant ID_SIZE = 4; uint256 constant ID_OFFSET_SIZE = 1; uint256 constant WORD_SIZE = 32; // The size that a delegate takes in the lookup table (Identifier + Offset). uint256 constant TOTAL_ID_SIZE = 5; // ID_SIZE + ID_OFFSET_SIZE; // The amount of bytes to go forward to get to the offset of the next delegate (aka. the end of the offset of the current delegate). uint256 constant NEXT_DELEGATE_OFFSET = 9; // TOTAL_ID_SIZE + ID_SIZE; // 1 word (32B) is reserved for the protocol . uint256 constant RESERVED_SIZE = 32; // 1 * WORD_SIZE; uint256 constant MIN_METADATA_LENGTH = 37; // RESERVED_SIZE + ID_SIZE + ID_OFFSET_SIZE;
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @custom:member operator The address of the operator. /// @custom:member domain The domain within which the operator is being given permissions. A domain of 0 is a wildcard domain, which gives an operator access to all domains. /// @custom:member permissionIndexes The indexes of the permissions the operator is being given. struct JBOperatorData { address operator; uint256 domain; uint256[] permissionIndexes; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** @member owner if set then the contract belongs to this static address. @member projectId if set then the contract belongs to whatever address owns the project @member permissionIndex the permission that is required on the specified project to act as the owner for this contract. */ struct JBOwner { address owner; uint88 projectId; uint8 permissionIndex; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IJBOwnable { // event OwnershipTransferred( // address indexed previousOwner, // address indexed newOwner // ); event PermissionIndexChanged(uint8 newIndex); function jbOwner() external view returns ( address owner, uint88 projectOwner, uint8 permissionIndex ); function transferOwnershipToProject(uint256 _projectId) external; function setPermissionIndex(uint8 _permissionIndex) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // 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); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; import "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toString(int256 value) internal pure returns (string memory) { return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value)))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1, "Math: mulDiv overflow"); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.0; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
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A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.