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19101013 | 212 days ago | Contract Creation | 0 ETH |
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Minimal Proxy Contract for 0x5e86bd1664eec67a808a85e65faf16a99c83af8c
Contract Name:
InitialETHCrowdfund
Compiler Version
v0.8.20+commit.a1b79de6
Optimization Enabled:
Yes with 0 runs
Other Settings:
shanghai EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import { ETHCrowdfundBase } from "./ETHCrowdfundBase.sol"; import { ProposalStorage } from "../proposals/ProposalStorage.sol"; import { LibAddress } from "../utils/LibAddress.sol"; import { LibRawResult } from "../utils/LibRawResult.sol"; import { LibSafeCast } from "../utils/LibSafeCast.sol"; import { Party, PartyGovernance } from "../party/Party.sol"; import { Crowdfund } from "../crowdfund/Crowdfund.sol"; import { MetadataProvider } from "../renderers/MetadataProvider.sol"; import { IGateKeeper } from "../gatekeepers/IGateKeeper.sol"; import { IGlobals } from "../globals/IGlobals.sol"; import { IERC721 } from "../tokens/IERC721.sol"; /// @notice A crowdfund for raising the initial funds for new parties. /// Unlike other crowdfunds that are started for the purpose of /// acquiring NFT(s), this crowdfund simply bootstraps a party with /// funds and lets its members coordinate on what to do with it after. contract InitialETHCrowdfund is ETHCrowdfundBase { using LibRawResult for bytes; using LibSafeCast for uint256; using LibAddress for address payable; // Options to be passed into `initialize()` when the crowdfund is created. struct InitialETHCrowdfundOptions { address payable initialContributor; address initialDelegate; uint96 minContribution; uint96 maxContribution; bool disableContributingForExistingCard; uint96 minTotalContributions; uint96 maxTotalContributions; uint160 exchangeRate; uint16 fundingSplitBps; address payable fundingSplitRecipient; uint40 duration; IGateKeeper gateKeeper; bytes12 gateKeeperId; } struct ETHPartyOptions { // Name of the party. string name; // Symbol of the party. string symbol; // The ID of the customization preset to use for the party card. uint256 customizationPresetId; // Options to initialize party governance with. Crowdfund.FixedGovernanceOpts governanceOpts; // Options to initialize party proposal engine with. ProposalStorage.ProposalEngineOpts proposalEngineOpts; // The tokens that are considered precious by the party.These are // protected assets and are subject to extra restrictions in proposals // vs other assets. IERC721[] preciousTokens; // The IDs associated with each token in `preciousTokens`. uint256[] preciousTokenIds; // The timestamp until which ragequit is enabled. uint40 rageQuitTimestamp; // Initial authorities to set on the party address[] authorities; } struct BatchContributeArgs { // IDs of cards to credit the contributions to. When set to 0, it means // a new one should be minted. uint256[] tokenIds; // The address to which voting power will be delegated for all // contributions. This will be ignored if recipient has already set a // delegate. address initialDelegate; // The contribution amounts in wei. The length of this array must be // equal to the length of `tokenIds`. uint96[] values; // The data required to be validated by the `gatekeeper`, if set. If no // `gatekeeper` is set, this can be empty. bytes[] gateDatas; } struct BatchContributeForArgs { // IDs of cards to credit the contributions to. When set to 0, it means // a new one should be minted. uint256[] tokenIds; // Addresses of to credit the contributions under. Each contribution // amount in `values` corresponds to a recipient in this array. address payable[] recipients; // The delegate to set for each recipient. This will be ignored if // recipient has already set a delegate. address[] initialDelegates; // The contribution amounts in wei. The length of this array must be // equal to the length of `recipients`. uint96[] values; // The data required to be validated by the `gatekeeper`, if set. If no // `gatekeeper` is set, this can be empty. bytes[] gateDatas; } event Refunded(address indexed contributor, uint256 indexed tokenId, uint256 amount); // Set the `Globals` contract. constructor(IGlobals globals) ETHCrowdfundBase(globals) {} /// @notice Initializer to be called prior to using the contract. /// @param crowdfundOpts Options to initialize the crowdfund with. /// @param partyOpts Options to initialize the party with. /// @param customMetadataProvider Optional provider to use for the party for /// rendering custom metadata. /// @param customMetadata Optional custom metadata to use for the party. function initialize( InitialETHCrowdfundOptions memory crowdfundOpts, ETHPartyOptions memory partyOpts, MetadataProvider customMetadataProvider, bytes memory customMetadata ) external payable onlyInitialize { // Create party the initial crowdfund will be for. Party party_ = _createParty(partyOpts, customMetadataProvider, customMetadata); // Initialize the crowdfund. _initialize( ETHCrowdfundOptions({ party: party_, initialContributor: crowdfundOpts.initialContributor, initialDelegate: crowdfundOpts.initialDelegate, minContribution: crowdfundOpts.minContribution, maxContribution: crowdfundOpts.maxContribution, disableContributingForExistingCard: crowdfundOpts .disableContributingForExistingCard, minTotalContributions: crowdfundOpts.minTotalContributions, maxTotalContributions: crowdfundOpts.maxTotalContributions, exchangeRate: crowdfundOpts.exchangeRate, fundingSplitBps: crowdfundOpts.fundingSplitBps, fundingSplitRecipient: crowdfundOpts.fundingSplitRecipient, duration: crowdfundOpts.duration, gateKeeper: crowdfundOpts.gateKeeper, gateKeeperId: crowdfundOpts.gateKeeperId }) ); // If the creator passed in some ETH during initialization, credit them // for the initial contribution. uint96 initialContribution = msg.value.safeCastUint256ToUint96(); if (initialContribution > 0) { _contribute( crowdfundOpts.initialContributor, crowdfundOpts.initialDelegate, initialContribution, 0, "" ); } // Set up gatekeeper after initial contribution (initial always gets in). gateKeeper = crowdfundOpts.gateKeeper; gateKeeperId = crowdfundOpts.gateKeeperId; } /// @notice Contribute ETH to this crowdfund. /// @param initialDelegate The address to which voting power will be delegated to /// during the governance phase. This will be ignored /// if recipient has already set a delegate. /// @param gateData Data to pass to the gatekeeper to prove eligibility. /// @return votingPower The voting power the contributor receives for their /// contribution. function contribute( address initialDelegate, bytes memory gateData ) public payable onlyDelegateCall returns (uint96 votingPower) { return _contribute( payable(msg.sender), initialDelegate, msg.value.safeCastUint256ToUint96(), 0, // Mint a new party card for the contributor. gateData ); } /// @notice Contribute ETH to this crowdfund. /// @param tokenId The ID of the card the contribution is being made towards. /// @param initialDelegate The address to which voting power will be delegated to /// during the governance phase. This will be ignored /// if recipient has already set a delegate. /// @param gateData Data to pass to the gatekeeper to prove eligibility. /// @return votingPower The voting power the contributor receives for their /// contribution. function contribute( uint256 tokenId, address initialDelegate, bytes memory gateData ) public payable onlyDelegateCall returns (uint96 votingPower) { return _contribute( payable(msg.sender), initialDelegate, msg.value.safeCastUint256ToUint96(), tokenId, gateData ); } /// @notice `contribute()` in batch form. /// May not revert if any individual contribution fails. /// @param args The arguments to pass to each `contribute()` call. /// @return votingPowers The voting power received for each contribution. function batchContribute( BatchContributeArgs calldata args ) external payable onlyDelegateCall returns (uint96[] memory votingPowers) { uint256 numContributions = args.tokenIds.length; if (numContributions != args.values.length || numContributions != args.gateDatas.length) { revert ArityMismatch(); } votingPowers = new uint96[](numContributions); uint256 valuesSum; for (uint256 i; i < numContributions; ++i) { votingPowers[i] = _contribute( payable(msg.sender), args.initialDelegate, args.values[i], args.tokenIds[i], args.gateDatas[i] ); valuesSum += args.values[i]; } if (msg.value != valuesSum) { revert InvalidMessageValue(); } } /// @notice Contribute to this crowdfund on behalf of another address. /// @param tokenId The ID of the token to credit the contribution to, or /// zero to mint a new party card for the recipient /// @param recipient The address to record the contribution under /// @param initialDelegate The address to which voting power will be delegated to /// during the governance phase. This will be ignored /// if recipient has already set a delegate. /// @param gateData Data to pass to the gatekeeper to prove eligibility /// @return votingPower The voting power received for the contribution function contributeFor( uint256 tokenId, address payable recipient, address initialDelegate, bytes memory gateData ) external payable onlyDelegateCall returns (uint96 votingPower) { return _contribute( recipient, initialDelegate, msg.value.safeCastUint256ToUint96(), tokenId, gateData ); } /// @notice `contributeFor()` in batch form. /// May not revert if any individual contribution fails. /// @param args The arguments for the batched `contributeFor()` calls. /// @return votingPowers The voting power received for each contribution. function batchContributeFor( BatchContributeForArgs calldata args ) external payable onlyDelegateCall returns (uint96[] memory votingPowers) { uint256 numContributions = args.tokenIds.length; if ( numContributions != args.values.length || numContributions != args.gateDatas.length || numContributions != args.recipients.length ) { revert ArityMismatch(); } votingPowers = new uint96[](numContributions); uint256 valuesSum; for (uint256 i; i < numContributions; ++i) { votingPowers[i] = _contribute( args.recipients[i], args.initialDelegates[i], args.values[i], args.tokenIds[i], args.gateDatas[i] ); valuesSum += args.values[i]; } if (msg.value != valuesSum) { revert InvalidMessageValue(); } } function _contribute( address payable contributor, address delegate, uint96 amount, uint256 tokenId, bytes memory gateData ) private returns (uint96 votingPower) { // Require a non-null delegate. if (delegate == address(0)) { revert InvalidDelegateError(); } // Must not be blocked by gatekeeper. IGateKeeper _gateKeeper = gateKeeper; if (_gateKeeper != IGateKeeper(address(0))) { // Checking msg.sender here instead of contributor is intentional to // allow someone who's allowed by a gatekeeper to invite others // into the Party. For example, to allow another contract, and // only that contract, to process contributions on behalf of // contributors. if (!_gateKeeper.isAllowed(msg.sender, gateKeeperId, gateData)) { revert NotAllowedByGateKeeperError(msg.sender, _gateKeeper, gateKeeperId, gateData); } } votingPower = _processContribution(contributor, delegate, amount); // OK to contribute with zero just to update delegate. if (amount == 0) return 0; if (tokenId == 0) { // Mint contributor a new party card. party.mint(contributor, votingPower, delegate); } else if (disableContributingForExistingCard) { revert ContributingForExistingCardDisabledError(); } else if (party.ownerOf(tokenId) == contributor) { // Increase voting power of contributor's existing party card. party.increaseVotingPower(tokenId, votingPower); } else { revert NotOwnerError(tokenId); } } /// @notice Refund the owner of a party card and burn it. Only available if /// the crowdfund lost. Can be called to refund for self or on /// another's behalf. /// @param tokenId The ID of the party card to refund the owner of then burn. /// @return amount The amount of ETH refunded to the contributor. function refund(uint256 tokenId) external returns (uint96 amount) { // Check crowdfund lifecycle. { CrowdfundLifecycle lc = getCrowdfundLifecycle(); if (lc != CrowdfundLifecycle.Lost) { revert WrongLifecycleError(lc); } } // Get amount to refund. uint96 votingPower = party.votingPowerByTokenId(tokenId).safeCastUint256ToUint96(); amount = convertVotingPowerToContribution(votingPower); if (amount > 0) { // Get contributor to refund. address payable contributor = payable(party.ownerOf(tokenId)); // Burn contributor's party card. party.burn(tokenId); // Refund contributor. contributor.transferEth(amount); emit Refunded(contributor, tokenId, amount); } } /// @notice `refund()` in batch form. /// May not revert if any individual refund fails. /// @param tokenIds The IDs of the party cards to burn and refund the owners of. /// @param revertOnFailure If true, revert if any refund fails. /// @return amounts The amounts of ETH refunded for each refund. function batchRefund( uint256[] calldata tokenIds, bool revertOnFailure ) external returns (uint96[] memory amounts) { uint256 numRefunds = tokenIds.length; amounts = new uint96[](numRefunds); for (uint256 i; i < numRefunds; ++i) { (bool s, bytes memory r) = address(this).call( abi.encodeCall(this.refund, (tokenIds[i])) ); if (!s) { if (revertOnFailure) { r.rawRevert(); } } else { amounts[i] = abi.decode(r, (uint96)); } } } function _createParty( ETHPartyOptions memory opts, MetadataProvider customMetadataProvider, bytes memory customMetadata ) private returns (Party) { uint256 authoritiesLength = opts.authorities.length + 1; address[] memory authorities = new address[](authoritiesLength); for (uint i = 0; i < authoritiesLength - 1; ++i) { authorities[i] = opts.authorities[i]; } authorities[authoritiesLength - 1] = address(this); if (address(customMetadataProvider) == address(0)) { return opts.governanceOpts.partyFactory.createParty( opts.governanceOpts.partyImpl, authorities, Party.PartyOptions({ name: opts.name, symbol: opts.symbol, customizationPresetId: opts.customizationPresetId, governance: PartyGovernance.GovernanceOpts({ hosts: opts.governanceOpts.hosts, voteDuration: opts.governanceOpts.voteDuration, executionDelay: opts.governanceOpts.executionDelay, passThresholdBps: opts.governanceOpts.passThresholdBps, totalVotingPower: 0, feeBps: opts.governanceOpts.feeBps, feeRecipient: opts.governanceOpts.feeRecipient }), proposalEngine: opts.proposalEngineOpts }), opts.preciousTokens, opts.preciousTokenIds, opts.rageQuitTimestamp ); } else { return opts.governanceOpts.partyFactory.createPartyWithMetadata( opts.governanceOpts.partyImpl, authorities, Party.PartyOptions({ name: opts.name, symbol: opts.symbol, customizationPresetId: opts.customizationPresetId, governance: PartyGovernance.GovernanceOpts({ hosts: opts.governanceOpts.hosts, voteDuration: opts.governanceOpts.voteDuration, executionDelay: opts.governanceOpts.executionDelay, passThresholdBps: opts.governanceOpts.passThresholdBps, totalVotingPower: 0, feeBps: opts.governanceOpts.feeBps, feeRecipient: opts.governanceOpts.feeRecipient }), proposalEngine: opts.proposalEngineOpts }), opts.preciousTokens, opts.preciousTokenIds, opts.rageQuitTimestamp, customMetadataProvider, customMetadata ); } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../utils/LibAddress.sol"; import "../utils/LibSafeCast.sol"; import "../party/Party.sol"; import "../gatekeepers/IGateKeeper.sol"; import { FixedPointMathLib } from "solmate/utils/FixedPointMathLib.sol"; abstract contract ETHCrowdfundBase is Implementation { using FixedPointMathLib for uint96; using LibRawResult for bytes; using LibSafeCast for uint96; using LibSafeCast for uint256; using LibAddress for address payable; enum CrowdfundLifecycle { // In practice, this state is never used. If the crowdfund is ever in // this stage, something is wrong (e.g. crowdfund was never initialized). Invalid, // Ready to accept contributions to reach contribution targets // until a deadline or the minimum contribution target is reached and // host finalizes. Active, // Expired and the minimum contribution target was not reached. Lost, // The crowdfund has expired and reached the minimum contribution // target. It is now ready to finalize. Won, // A won crowdfund has been finalized, with funds transferred to the // party and voting power successfully updated. Finalized } // Options to be passed into `initialize()` when the crowdfund is created. struct ETHCrowdfundOptions { Party party; address payable initialContributor; address initialDelegate; uint96 minContribution; uint96 maxContribution; bool disableContributingForExistingCard; uint96 minTotalContributions; uint96 maxTotalContributions; uint160 exchangeRate; uint16 fundingSplitBps; address payable fundingSplitRecipient; uint40 duration; IGateKeeper gateKeeper; bytes12 gateKeeperId; } error WrongLifecycleError(CrowdfundLifecycle lc); error NotAllowedByGateKeeperError( address contributor, IGateKeeper gateKeeper, bytes12 gateKeeperId, bytes gateData ); error OnlyPartyHostError(); error OnlyPartyDaoError(address notDao); error OnlyPartyDaoOrHostError(address notDao); error NotOwnerError(uint256 tokenId); error OnlyWhenEmergencyActionsAllowedError(); error InvalidDelegateError(); error NotEnoughContributionsError(uint96 totalContribution, uint96 minTotalContributions); error MinGreaterThanMaxError(uint96 min, uint96 max); error MinMaxDifferenceTooSmall(uint96 min, uint96 max); error MaxTotalContributionsCannotBeZeroError(uint96 maxTotalContributions); error BelowMinimumContributionsError(uint96 contributions, uint96 minContributions); error AboveMaximumContributionsError(uint96 contributions, uint96 maxContributions); error ExceedsRemainingContributionsError(uint96 amount, uint96 remaining); error InvalidExchangeRateError(uint160 exchangeRate); error InvalidFundingSplitRecipient(); error ContributingForExistingCardDisabledError(); error ZeroVotingPowerError(); error FundingSplitAlreadyPaidError(); error FundingSplitNotConfiguredError(); error InvalidMessageValue(); error ArityMismatch(); event Contributed( address indexed sender, address indexed contributor, uint256 amount, address delegate ); event Finalized(); event FundingSplitSent(address indexed fundingSplitRecipient, uint256 amount); event EmergencyExecuteDisabled(); event EmergencyExecute(address target, bytes data, uint256 amountEth); // The `Globals` contract storing global configuration values. This contract // is immutable and it’s address will never change. IGlobals private immutable _GLOBALS; /// @notice The address of the `Party` contract instance associated /// with the crowdfund. Party public party; /// @notice The minimum amount of ETH that a contributor can send to /// participate in the crowdfund. uint96 public minContribution; /// @notice The maximum amount of ETH that a contributor can send to /// participate in the crowdfund per address. uint96 public maxContribution; /// @notice A boolean flag that determines whether contributors are allowed /// to increase the voting power of their existing party cards. bool public disableContributingForExistingCard; /// @notice Whether the funding split has been claimed by the funding split /// recipient. bool public fundingSplitPaid; /// @notice Whether the DAO has emergency powers for this crowdfund. bool public emergencyExecuteDisabled; /// @notice The minimum amount of total ETH contributions required for the /// crowdfund to be considered successful. uint96 public minTotalContributions; /// @notice The maximum amount of total ETH contributions allowed for the /// crowdfund. uint96 public maxTotalContributions; /// @notice The total amount of ETH contributed to the crowdfund so far. uint96 public totalContributions; /// @notice The timestamp at which the crowdfund will end or ended. If 0, the /// crowdfund has finalized. uint40 public expiry; /// @notice The exchange rate from contribution amount to voting power where /// 100% = 1e18. May be greater than 1e18 (100%). uint160 public exchangeRate; /// @notice The portion of contributions to send to the funding recipient in /// basis points (e.g. 100 = 1%). uint16 public fundingSplitBps; /// @notice The address to which a portion of the contributions is sent to. address payable public fundingSplitRecipient; /// @notice The gatekeeper contract used to restrict who can contribute to the party. IGateKeeper public gateKeeper; /// @notice The ID of the gatekeeper to use for restricting contributions to the party. bytes12 public gateKeeperId; /// @notice The address a contributor is delegating their voting power to. mapping(address => address) public delegationsByContributor; // Set the `Globals` contract. constructor(IGlobals globals) { _GLOBALS = globals; } // Initialize storage for proxy contract function _initialize(ETHCrowdfundOptions memory opts) internal { if (opts.minContribution > opts.maxContribution) { revert MinGreaterThanMaxError(opts.minContribution, opts.maxContribution); } if (opts.maxTotalContributions - opts.minTotalContributions + 1 < opts.minContribution) { revert MinMaxDifferenceTooSmall(opts.minTotalContributions, opts.maxTotalContributions); } // Set the minimum and maximum contribution amounts. minContribution = opts.minContribution; maxContribution = opts.maxContribution; // Set the min total contributions. minTotalContributions = opts.minTotalContributions; // Set the max total contributions. if (opts.maxTotalContributions == 0) { // Prevent this because when `maxTotalContributions` is 0 the // crowdfund is invalid in `getCrowdfundLifecycle()` meaning it has // never been initialized. revert MaxTotalContributionsCannotBeZeroError(opts.maxTotalContributions); } maxTotalContributions = opts.maxTotalContributions; // Set the party crowdfund is for. party = opts.party; // Set the crowdfund start and end timestamps. expiry = (block.timestamp + opts.duration).safeCastUint256ToUint40(); // Set the exchange rate. if (opts.exchangeRate == 0) revert InvalidExchangeRateError(opts.exchangeRate); exchangeRate = opts.exchangeRate; // Set the funding split and its recipient. fundingSplitBps = opts.fundingSplitBps; fundingSplitRecipient = opts.fundingSplitRecipient; if (opts.fundingSplitBps > 0 && opts.fundingSplitRecipient == address(0)) { revert InvalidFundingSplitRecipient(); } // Set whether to disable contributing for existing card. disableContributingForExistingCard = opts.disableContributingForExistingCard; // Check that the voting power that one receives from a contribution of // size minContribution is not equal to zero if (convertContributionToVotingPower(opts.minContribution) == 0) { revert ZeroVotingPowerError(); } } /// @notice Get the current lifecycle of the crowdfund. function getCrowdfundLifecycle() public view returns (CrowdfundLifecycle lifecycle) { if (maxTotalContributions == 0) { return CrowdfundLifecycle.Invalid; } uint256 expiry_ = expiry; if (expiry_ == 0) { return CrowdfundLifecycle.Finalized; } if (block.timestamp >= expiry_) { if (totalContributions >= minTotalContributions) { return CrowdfundLifecycle.Won; } else { return CrowdfundLifecycle.Lost; } } return CrowdfundLifecycle.Active; } function _processContribution( address payable contributor, address delegate, uint96 contribution ) internal returns (uint96 votingPower) { address oldDelegate = delegationsByContributor[contributor]; if (msg.sender == contributor || oldDelegate == address(0)) { // Update delegate. delegationsByContributor[contributor] = delegate; } else { // Prevent changing another's delegate if already delegated. delegate = oldDelegate; } emit Contributed(msg.sender, contributor, contribution, delegate); // OK to contribute with zero just to update delegate. if (contribution == 0) return 0; // Only allow contributions while the crowdfund is active. CrowdfundLifecycle lc = getCrowdfundLifecycle(); if (lc != CrowdfundLifecycle.Active) { revert WrongLifecycleError(lc); } // Check that the contribution amount is at or above the minimum. uint96 minContribution_ = minContribution; if (contribution < minContribution_) { revert BelowMinimumContributionsError(contribution, minContribution_); } // Check that the contribution amount is at or below the maximum. uint96 maxContribution_ = maxContribution; if (contribution > maxContribution_) { revert AboveMaximumContributionsError(contribution, maxContribution_); } uint96 newTotalContributions = totalContributions + contribution; uint96 maxTotalContributions_ = maxTotalContributions; if (newTotalContributions > maxTotalContributions_) { revert ExceedsRemainingContributionsError( contribution, maxTotalContributions_ - totalContributions ); } else { totalContributions = newTotalContributions; if ( maxTotalContributions_ == newTotalContributions || minContribution_ > maxTotalContributions_ - newTotalContributions ) { _finalize(newTotalContributions); } } // Calculate voting power. votingPower = convertContributionToVotingPower(contribution); if (votingPower == 0) revert ZeroVotingPowerError(); } /// @notice Calculate the voting power amount that would be received from /// the given contribution. /// @param contribution The contribution amount. /// @return votingPower The voting power amount that would be received from /// the contribution. function convertContributionToVotingPower( uint96 contribution ) public view returns (uint96 votingPower) { contribution = _removeFundingSplitFromContribution(contribution); votingPower = _calculateContributionToVotingPower(contribution); } /// @notice Calculate the contribution amount from the given voting power. /// @param votingPower The voting power to convert to a contribution amount. /// @return contribution The contribution amount. function convertVotingPowerToContribution( uint96 votingPower ) public view returns (uint96 contribution) { contribution = _calculateVotingPowerToContribution(votingPower); contribution = _addFundingSplitToContribution(contribution); } function _calculateContributionToVotingPower( uint96 contribution ) private view returns (uint96) { return contribution.mulDivDown(exchangeRate, 1e18).safeCastUint256ToUint96(); } function _calculateVotingPowerToContribution( uint96 votingPower ) internal view returns (uint96) { return votingPower.mulDivUp(1e18, exchangeRate).safeCastUint256ToUint96(); } function _addFundingSplitToContribution(uint96 contribution) internal view returns (uint96) { uint16 fundingSplitBps_ = fundingSplitBps; if (fundingSplitBps_ > 0) { // Downcast is safe since `contribution` cannot exceed // type(uint96).max. When the contribution is made, it cannot exceed // type(uint96).max, neither can `totalContributions` exceed it. contribution = uint96((uint256(contribution) * 1e4) / (1e4 - fundingSplitBps_)); } return contribution; } function _removeFundingSplitFromContribution( uint96 contribution ) internal view returns (uint96) { uint16 fundingSplitBps_ = fundingSplitBps; if (fundingSplitBps_ > 0) { // Safe since contribution initially fits into uint96 and cannot get bigger contribution = uint96((uint256(contribution) * (1e4 - fundingSplitBps_)) / 1e4); } return contribution; } function finalize() external { uint96 totalContributions_ = totalContributions; // Check that the crowdfund is not already finalized. CrowdfundLifecycle lc = getCrowdfundLifecycle(); if (lc == CrowdfundLifecycle.Active) { // Allow host to finalize crowdfund early if it has reached its minimum goal. if (!party.isHost(msg.sender)) revert OnlyPartyHostError(); // Check that the crowdfund has reached its minimum goal. uint96 minTotalContributions_ = minTotalContributions; if (totalContributions_ < minTotalContributions_) { revert NotEnoughContributionsError(totalContributions_, minTotalContributions_); } } else { // Otherwise only allow finalization if the crowdfund has expired // and been won. Can be finalized by anyone. if (lc != CrowdfundLifecycle.Won) { revert WrongLifecycleError(lc); } } // Finalize the crowdfund. _finalize(totalContributions_); } function _finalize(uint96 totalContributions_) internal { // Finalize the crowdfund. delete expiry; // Transfer funding split to recipient if applicable. uint16 fundingSplitBps_ = fundingSplitBps; if (fundingSplitBps_ > 0) { // Assuming fundingSplitBps_ <= 1e4, this cannot overflow uint96 totalContributions_ -= uint96((uint256(totalContributions_) * fundingSplitBps_) / 1e4); } // Update the party's total voting power. uint96 newVotingPower = _calculateContributionToVotingPower(totalContributions_); party.increaseTotalVotingPower(newVotingPower); // Transfer ETH to the party. payable(address(party)).transferEth(totalContributions_); emit Finalized(); } /// @notice Send the funding split to the recipient if applicable. function sendFundingSplit() external returns (uint96 splitAmount) { // Check that the crowdfund is finalized. CrowdfundLifecycle lc = getCrowdfundLifecycle(); if (lc != CrowdfundLifecycle.Finalized) revert WrongLifecycleError(lc); if (fundingSplitPaid) revert FundingSplitAlreadyPaidError(); uint16 fundingSplitBps_ = fundingSplitBps; if (fundingSplitBps_ == 0) { revert FundingSplitNotConfiguredError(); } fundingSplitPaid = true; // Transfer funding split to recipient. // Assuming fundingSplitBps_ <= 1e4, this cannot overflow uint96 address payable fundingSplitRecipient_ = fundingSplitRecipient; splitAmount = uint96((uint256(totalContributions) * fundingSplitBps_) / 1e4); payable(fundingSplitRecipient_).transferEth(splitAmount); emit FundingSplitSent(fundingSplitRecipient_, splitAmount); } /// @notice As the DAO, execute an arbitrary function call from this contract. /// @dev Emergency actions must not be revoked for this to work. /// @param targetAddress The contract to call. /// @param targetCallData The data to pass to the contract. /// @param amountEth The amount of ETH to send to the contract. function emergencyExecute( address targetAddress, bytes calldata targetCallData, uint256 amountEth ) external payable { // Must be called by the DAO. if (_GLOBALS.getAddress(LibGlobals.GLOBAL_DAO_WALLET) != msg.sender) { revert OnlyPartyDaoError(msg.sender); } // Must not be disabled by DAO or host. if (emergencyExecuteDisabled) { revert OnlyWhenEmergencyActionsAllowedError(); } (bool success, bytes memory res) = targetAddress.call{ value: amountEth }(targetCallData); if (!success) { res.rawRevert(); } emit EmergencyExecute(targetAddress, targetCallData, amountEth); } /// @notice Revoke the DAO's ability to call emergencyExecute(). /// @dev Either the DAO or the party host can call this. function disableEmergencyExecute() external { // Only the DAO or a host can call this. if ( !party.isHost(msg.sender) && _GLOBALS.getAddress(LibGlobals.GLOBAL_DAO_WALLET) != msg.sender ) { revert OnlyPartyDaoOrHostError(msg.sender); } emergencyExecuteDisabled = true; emit EmergencyExecuteDisabled(); } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "./IProposalExecutionEngine.sol"; import "../utils/LibRawResult.sol"; // The storage bucket shared by `PartyGovernance` and the `ProposalExecutionEngine`. // Read this for more context on the pattern motivating this: // https://github.com/dragonfly-xyz/useful-solidity-patterns/tree/main/patterns/explicit-storage-buckets abstract contract ProposalStorage { using LibRawResult for bytes; struct SharedProposalStorage { IProposalExecutionEngine engineImpl; ProposalEngineOpts opts; GovernanceValues governanceValues; } /// @notice Governance values stored for a party struct GovernanceValues { uint40 voteDuration; uint40 executionDelay; uint16 passThresholdBps; uint96 totalVotingPower; } struct ProposalEngineOpts { // Whether the party can add new authorities with the add authority proposal. bool enableAddAuthorityProposal; // Whether the party can spend ETH from the party's balance with // arbitrary call proposals. bool allowArbCallsToSpendPartyEth; // Whether operators can be used. bool allowOperators; // Whether distributions require a vote or can be executed by any active member. bool distributionsRequireVote; } uint256 internal constant PROPOSAL_FLAG_UNANIMOUS = 0x1; uint256 private constant SHARED_STORAGE_SLOT = uint256(keccak256("ProposalStorage.SharedProposalStorage")); function _initProposalImpl(IProposalExecutionEngine impl, bytes memory initData) internal { SharedProposalStorage storage stor = _getSharedProposalStorage(); IProposalExecutionEngine oldImpl = stor.engineImpl; stor.engineImpl = impl; (bool s, bytes memory r) = address(impl).delegatecall( abi.encodeCall(IProposalExecutionEngine.initialize, (address(oldImpl), initData)) ); if (!s) { r.rawRevert(); } } function _getSharedProposalStorage() internal pure returns (SharedProposalStorage storage stor) { uint256 s = SHARED_STORAGE_SLOT; assembly { stor.slot := s } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; library LibAddress { error EthTransferFailed(address receiver, bytes errData); // Transfer ETH with full gas stipend. function transferEth(address payable receiver, uint256 amount) internal { if (amount == 0) return; (bool s, bytes memory r) = receiver.call{ value: amount }(""); if (!s) { revert EthTransferFailed(receiver, r); } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; library LibRawResult { // Revert with the data in `b`. function rawRevert(bytes memory b) internal pure { assembly { revert(add(b, 32), mload(b)) } } // Return with the data in `b`. function rawReturn(bytes memory b) internal pure { assembly { return(add(b, 32), mload(b)) } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; library LibSafeCast { error Uint256ToUint96CastOutOfRange(uint256 v); error Uint256ToInt192CastOutOfRange(uint256 v); error Int192ToUint96CastOutOfRange(int192 i192); error Uint256ToInt128CastOutOfRangeError(uint256 u256); error Uint256ToUint128CastOutOfRangeError(uint256 u256); error Uint256ToUint40CastOutOfRangeError(uint256 u256); error Uint96ToUint16CastOutOfRange(uint96 u96); function safeCastUint256ToUint96(uint256 v) internal pure returns (uint96) { if (v > uint256(type(uint96).max)) { revert Uint256ToUint96CastOutOfRange(v); } return uint96(v); } function safeCastUint256ToUint128(uint256 v) internal pure returns (uint128) { if (v > uint256(type(uint128).max)) { revert Uint256ToUint128CastOutOfRangeError(v); } return uint128(v); } function safeCastUint256ToUint160(uint256 v) internal pure returns (uint160) { if (v > uint256(type(uint160).max)) { revert Uint256ToUint128CastOutOfRangeError(v); } return uint160(v); } function safeCastUint256ToInt192(uint256 v) internal pure returns (int192) { if (v > uint256(uint192(type(int192).max))) { revert Uint256ToInt192CastOutOfRange(v); } return int192(uint192(v)); } function safeCastUint96ToUint16(uint96 v) internal pure returns (uint16) { if (v > uint96(type(uint16).max)) { revert Uint96ToUint16CastOutOfRange(v); } return uint16(v); } function safeCastUint96ToInt192(uint96 v) internal pure returns (int192) { return int192(uint192(v)); } function safeCastInt192ToUint96(int192 i192) internal pure returns (uint96) { if (i192 < 0 || i192 > int192(uint192(type(uint96).max))) { revert Int192ToUint96CastOutOfRange(i192); } return uint96(uint192(i192)); } function safeCastUint256ToInt128(uint256 x) internal pure returns (int128) { if (x > uint256(uint128(type(int128).max))) { revert Uint256ToInt128CastOutOfRangeError(x); } return int128(uint128(x)); } function safeCastUint256ToUint40(uint256 x) internal pure returns (uint40) { if (x > uint256(type(uint40).max)) { revert Uint256ToUint40CastOutOfRangeError(x); } return uint40(x); } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../tokens/IERC721.sol"; import "./PartyGovernanceNFT.sol"; import "./PartyGovernance.sol"; /// @notice The governance contract that also custodies the precious NFTs. This /// is also the Governance NFT 721 contract. contract Party is PartyGovernanceNFT { // Arguments used to initialize the party. struct PartyOptions { PartyGovernance.GovernanceOpts governance; ProposalStorage.ProposalEngineOpts proposalEngine; string name; string symbol; uint256 customizationPresetId; } // Arguments used to initialize the `PartyGovernanceNFT`. struct PartyInitData { PartyOptions options; IERC721[] preciousTokens; uint256[] preciousTokenIds; address[] authorities; uint40 rageQuitTimestamp; } /// @notice Version ID of the party implementation contract. uint16 public constant VERSION_ID = 2; // Set the `Globals` contract. constructor(IGlobals globals) PartyGovernanceNFT(globals) {} /// @notice Initializer to be called prior to using the contract. /// @param initData Options used to initialize the party governance. function initialize(PartyInitData memory initData) external onlyInitialize { PartyGovernanceNFT._initialize( initData.options.name, initData.options.symbol, initData.options.customizationPresetId, initData.options.governance, initData.options.proposalEngine, initData.preciousTokens, initData.preciousTokenIds, initData.authorities, initData.rageQuitTimestamp ); } receive() external payable {} }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../utils/LibAddress.sol"; import "../utils/LibRawResult.sol"; import "../utils/LibSafeCast.sol"; import "../tokens/ERC721Receiver.sol"; import "../party/Party.sol"; import "../globals/IGlobals.sol"; import "../gatekeepers/IGateKeeper.sol"; import "../party/IPartyFactory.sol"; import "../renderers/RendererStorage.sol"; import "./CrowdfundNFT.sol"; // Base contract for AuctionCrowdfund/BuyCrowdfund. // Holds post-win/loss logic. E.g., burning contribution NFTs and creating a // party after winning. abstract contract Crowdfund is Implementation, ERC721Receiver, CrowdfundNFT { using LibRawResult for bytes; using LibSafeCast for uint256; using LibAddress for address payable; enum CrowdfundLifecycle { Invalid, Active, Expired, Busy, // Temporary. mid-settlement state Lost, Won } // PartyGovernance options that must be known and fixed at crowdfund creation. // This is a subset of PartyGovernance.GovernanceOpts. struct FixedGovernanceOpts { // The implementation of the party to be created. Party partyImpl; // The factory to use to create the party. IPartyFactory partyFactory; // Address of initial party hosts. address[] hosts; // How long people can vote on a proposal. uint40 voteDuration; // How long to wait after a proposal passes before it can be // executed. uint40 executionDelay; // Minimum ratio of accept votes to consider a proposal passed, // in bps, where 10,000 == 100%. uint16 passThresholdBps; // Fee bps for governance distributions. uint16 feeBps; // Fee recipeint for governance distributions. address payable feeRecipient; } // Options to be passed into `_initialize()` when the crowdfund is created. struct CrowdfundOptions { string name; string symbol; uint256 customizationPresetId; address payable splitRecipient; uint16 splitBps; address initialContributor; address initialDelegate; uint96 minContribution; uint96 maxContribution; IGateKeeper gateKeeper; bytes12 gateKeeperId; FixedGovernanceOpts governanceOpts; ProposalStorage.ProposalEngineOpts proposalEngineOpts; } // A record of a single contribution made by a user. // Stored in `_contributionsByContributor`. struct Contribution { // The value of `Crowdfund.totalContributions` when this contribution was made. uint96 previousTotalContributions; // How much was this contribution. uint96 amount; } // A record of the refund and governance NFT owed to a contributor if it // could not be received by them from `burn()`. struct Claim { uint256 refund; uint256 governanceTokenId; } error PartyAlreadyExistsError(Party party); error WrongLifecycleError(CrowdfundLifecycle lc); error InvalidGovernanceOptionsError(); error InvalidDelegateError(); error InvalidContributorError(); error NoPartyError(); error NotAllowedByGateKeeperError( address contributor, IGateKeeper gateKeeper, bytes12 gateKeeperId, bytes gateData ); error SplitRecipientAlreadyBurnedError(); error InvalidBpsError(uint16 bps); error ExceedsTotalContributionsError(uint96 value, uint96 totalContributions); error NothingToClaimError(); error OnlyPartyHostError(); error OnlyContributorError(); error MissingHostsError(); error OnlyPartyDaoError(address notDao); error OnlyPartyDaoOrHostError(address notDao); error OnlyWhenEmergencyActionsAllowedError(); error BelowMinimumContributionsError(uint96 contributions, uint96 minContributions); error AboveMaximumContributionsError(uint96 contributions, uint96 maxContributions); error InvalidMessageValue(); error ArityMismatch(); event Burned(address contributor, uint256 ethUsed, uint256 ethOwed, uint256 votingPower); event Contributed( address sender, address contributor, uint256 amount, address delegate, uint256 previousTotalContributions ); event EmergencyExecute(address target, bytes data, uint256 amountEth); event EmergencyExecuteDisabled(); uint40 private constant DISABLE_RAGEQUIT_PERMANENTLY = 0xab2cb21860; // uint40(uint256(keccak256("DISABLE_RAGEQUIT_PERMANENTLY"))) // The `Globals` contract storing global configuration values. This contract // is immutable and it’s address will never change. IGlobals private immutable _GLOBALS; /// @notice The party instance created by `_createParty()`, if any after a /// successful crowdfund. Party public party; /// @notice The total (recorded) ETH contributed to this crowdfund. uint96 public totalContributions; /// @notice The gatekeeper contract to use (if non-null) to restrict who can /// contribute to the party. IGateKeeper public gateKeeper; /// @notice The ID of the gatekeeper strategy to use. bytes12 public gateKeeperId; /// @notice Who will receive a reserved portion of governance power when /// the governance party is created. address payable public splitRecipient; /// @notice How much governance power to reserve for `splitRecipient`, /// in bps, where 10,000 = 100%. uint16 public splitBps; // Whether the share for split recipient has been claimed through `burn()`. bool private _splitRecipientHasBurned; /// @notice Hash of party options passed into `initialize()`. /// Used to check whether the options passed into `_createParty()` /// matches. bytes32 public partyOptsHash; /// @notice Who a contributor last delegated to. mapping(address => address) public delegationsByContributor; // Array of contributions by a contributor. // One is created for every nonzero contribution made. // `internal` for testing purposes only. mapping(address => Contribution[]) internal _contributionsByContributor; /// @notice Stores the amount of ETH owed back to a contributor and governance NFT /// that should be minted to them if it could not be transferred to /// them with `burn()`. mapping(address => Claim) public claims; /// @notice Minimum amount of ETH that can be contributed to this crowdfund per address. uint96 public minContribution; /// @notice Maximum amount of ETH that can be contributed to this crowdfund per address. uint96 public maxContribution; /// @notice Whether the DAO has emergency powers for this party. bool public emergencyExecuteDisabled; // Set the `Globals` contract. constructor(IGlobals globals) CrowdfundNFT(globals) { _GLOBALS = globals; } // Initialize storage for proxy contracts, credit initial contribution (if // any), and setup gatekeeper. function _initialize(CrowdfundOptions memory opts) internal { CrowdfundNFT._initialize(opts.name, opts.symbol, opts.customizationPresetId); // Check that BPS values do not exceed the max. if (opts.governanceOpts.feeBps > 1e4) { revert InvalidBpsError(opts.governanceOpts.feeBps); } if (opts.governanceOpts.passThresholdBps > 1e4) { revert InvalidBpsError(opts.governanceOpts.passThresholdBps); } if (opts.splitBps > 1e4) { revert InvalidBpsError(opts.splitBps); } partyOptsHash = _hashOpts(opts.governanceOpts, opts.proposalEngineOpts); splitRecipient = opts.splitRecipient; splitBps = opts.splitBps; // Set the minimum and maximum contribution amounts. minContribution = opts.minContribution; maxContribution = opts.maxContribution; // If the creator passed in some ETH during initialization, credit them // for the initial contribution. uint96 initialContribution = msg.value.safeCastUint256ToUint96(); if (initialContribution > 0) { _setDelegate(opts.initialContributor, opts.initialDelegate); // If this ETH is passed in, credit it to the `initialContributor`. _contribute(opts.initialContributor, opts.initialDelegate, initialContribution, 0, ""); } // Set up gatekeeper after initial contribution (initial always gets in). gateKeeper = opts.gateKeeper; gateKeeperId = opts.gateKeeperId; } /// @notice As the DAO, execute an arbitrary function call from this contract. /// @dev Emergency actions must not be revoked for this to work. /// @param targetAddress The contract to call. /// @param targetCallData The data to pass to the contract. /// @param amountEth The amount of ETH to send to the contract. function emergencyExecute( address targetAddress, bytes calldata targetCallData, uint256 amountEth ) external payable onlyDelegateCall { // Must be called by the DAO. if (!_isPartyDao(msg.sender)) { revert OnlyPartyDaoError(msg.sender); } // Must not be disabled by DAO or host. if (emergencyExecuteDisabled) { revert OnlyWhenEmergencyActionsAllowedError(); } (bool success, bytes memory res) = targetAddress.call{ value: amountEth }(targetCallData); if (!success) { res.rawRevert(); } emit EmergencyExecute(targetAddress, targetCallData, amountEth); } /// @notice Revoke the DAO's ability to call emergencyExecute(). /// @dev Either the DAO or the party host can call this. /// @param governanceOpts The fixed governance opts the crowdfund was created with. /// @param proposalEngineOpts The options used to initialize the proposal /// engine in the `Party` instance. /// @param hostIndex The index of the party host (caller). function disableEmergencyExecute( FixedGovernanceOpts memory governanceOpts, ProposalStorage.ProposalEngineOpts memory proposalEngineOpts, uint256 hostIndex ) external onlyDelegateCall { // Only the DAO or a host can call this. if ( !_isHost(msg.sender, governanceOpts, proposalEngineOpts, hostIndex) && !_isPartyDao(msg.sender) ) { revert OnlyPartyDaoOrHostError(msg.sender); } emergencyExecuteDisabled = true; emit EmergencyExecuteDisabled(); } /// @notice Burn the participation NFT for `contributor`, potentially /// minting voting power and/or refunding unused ETH. `contributor` /// may also be the split recipient, regardless of whether they are /// also a contributor or not. This can be called by anyone on a /// contributor's behalf to unlock their voting power in the /// governance stage ensuring delegates receive their voting /// power and governance is not stalled. /// @param contributor The contributor whose NFT to burn for. function burn(address payable contributor) public { return _burn(contributor, getCrowdfundLifecycle(), party); } /// @dev Alias for `burn()`. function activateOrRefund(address payable contributor) external { burn(contributor); } /// @notice `burn()` in batch form. /// Will not revert if any individual burn fails. /// @param contributors The contributors whose NFT to burn for. /// @param revertOnFailure If true, revert if any burn fails. function batchBurn(address payable[] calldata contributors, bool revertOnFailure) public { for (uint256 i = 0; i < contributors.length; ++i) { (bool s, bytes memory r) = address(this).delegatecall( abi.encodeCall(this.burn, (contributors[i])) ); if (revertOnFailure && !s) { r.rawRevert(); } } } /// @dev Alias for `batchBurn()`. function batchActivateOrRefund( address payable[] calldata contributors, bool revertOnFailure ) external { batchBurn(contributors, revertOnFailure); } /// @notice Claim a governance NFT or refund that is owed back but could not be /// given due to error in `_burn()` (e.g. a contract that does not /// implement `onERC721Received()` or cannot receive ETH). Only call /// this if refund and governance NFT minting could not be returned /// with `burn()`. /// @param receiver The address to receive the NFT or refund. function claim(address payable receiver) external { Claim memory claimInfo = claims[msg.sender]; delete claims[msg.sender]; if (claimInfo.refund == 0 && claimInfo.governanceTokenId == 0) { revert NothingToClaimError(); } if (claimInfo.refund != 0) { receiver.transferEth(claimInfo.refund); } if (claimInfo.governanceTokenId != 0) { party.safeTransferFrom(address(this), receiver, claimInfo.governanceTokenId); } } /// @notice Contribute to this crowdfund and/or update your delegation for the /// governance phase should the crowdfund succeed. /// For restricted crowdfunds, `gateData` can be provided to prove /// membership to the gatekeeper. /// @param delegate The address to delegate to for the governance phase. /// @param gateData Data to pass to the gatekeeper to prove eligibility. function contribute(address delegate, bytes memory gateData) external payable onlyDelegateCall { _setDelegate(msg.sender, delegate); _contribute( msg.sender, delegate, msg.value.safeCastUint256ToUint96(), // We cannot use `address(this).balance - msg.value` as the previous // total contributions in case someone forces (suicides) ETH into this // contract. This wouldn't be such a big deal for open crowdfunds // but private ones (protected by a gatekeeper) could be griefed // because it would ultimately result in governance power that // is unattributed/unclaimable, meaning that party will never be // able to reach 100% consensus. totalContributions, gateData ); } /// @notice Contribute to this crowdfund on behalf of another address. /// @param recipient The address to record the contribution under. /// @param initialDelegate The address to delegate to for the governance phase if recipient hasn't delegated. /// @param gateData Data to pass to the gatekeeper to prove eligibility. function contributeFor( address recipient, address initialDelegate, bytes memory gateData ) external payable onlyDelegateCall { _setDelegate(recipient, initialDelegate); _contribute( recipient, initialDelegate, msg.value.safeCastUint256ToUint96(), totalContributions, gateData ); } /// @notice `contributeFor()` in batch form. /// May not revert if any individual contribution fails. /// @param recipients The addresses to record the contributions under. /// @param initialDelegates The addresses to delegate to for each recipient. /// @param values The ETH to contribute for each recipient. /// @param gateDatas Data to pass to the gatekeeper to prove eligibility. function batchContributeFor( address[] memory recipients, address[] memory initialDelegates, uint96[] memory values, bytes[] memory gateDatas ) external payable { uint256 numRecipients = recipients.length; if ( numRecipients != initialDelegates.length || numRecipients != values.length || numRecipients != gateDatas.length ) { revert ArityMismatch(); } uint256 valuesSum; for (uint256 i; i < recipients.length; ++i) { _setDelegate(recipients[i], initialDelegates[i]); _contribute( recipients[i], initialDelegates[i], values[i], totalContributions, gateDatas[i] ); valuesSum += values[i]; } if (msg.value != valuesSum) { revert InvalidMessageValue(); } } /// @inheritdoc EIP165 function supportsInterface( bytes4 interfaceId ) public pure override(ERC721Receiver, CrowdfundNFT) returns (bool) { return ERC721Receiver.supportsInterface(interfaceId) || CrowdfundNFT.supportsInterface(interfaceId); } /// @notice Retrieve info about a participant's contributions. /// @dev This will only be called off-chain so doesn't have to be optimal. /// @param contributor The contributor to retrieve contributions for. /// @return ethContributed The total ETH contributed by `contributor`. /// @return ethUsed The total ETH used by `contributor` to acquire the NFT. /// @return ethOwed The total ETH refunded back to `contributor`. /// @return votingPower The total voting power minted to `contributor`. function getContributorInfo( address contributor ) external view returns (uint256 ethContributed, uint256 ethUsed, uint256 ethOwed, uint256 votingPower) { CrowdfundLifecycle lc = getCrowdfundLifecycle(); if (lc == CrowdfundLifecycle.Won || lc == CrowdfundLifecycle.Lost) { (ethUsed, ethOwed, votingPower) = _getFinalContribution(contributor); ethContributed = ethUsed + ethOwed; } else { Contribution[] memory contributions = _contributionsByContributor[contributor]; uint256 numContributions = contributions.length; for (uint256 i; i < numContributions; ++i) { ethContributed += contributions[i].amount; } } } /// @notice Get the current lifecycle of the crowdfund. function getCrowdfundLifecycle() public view virtual returns (CrowdfundLifecycle lifecycle); // Get the final sale price of the bought assets. This will also be the total // voting power of the governance party. function _getFinalPrice() internal view virtual returns (uint256); // Assert that `who` is a host at `governanceOpts.hosts[hostIndex]` and, // if so, assert that the governance opts is the same as the crowdfund // was created with. // Return true if `governanceOpts` was validated in the process. function _assertIsHost( address who, FixedGovernanceOpts memory governanceOpts, ProposalStorage.ProposalEngineOpts memory proposalEngineOpts, uint256 hostIndex ) internal view { if (!_isHost(who, governanceOpts, proposalEngineOpts, hostIndex)) { revert OnlyPartyHostError(); } } // Check if `who` is a host at `hostIndex` index. Validates governance opts if so. function _isHost( address who, FixedGovernanceOpts memory governanceOpts, ProposalStorage.ProposalEngineOpts memory proposalEngineOpts, uint256 hostIndex ) private view returns (bool isHost) { if (hostIndex < governanceOpts.hosts.length && who == governanceOpts.hosts[hostIndex]) { // Validate governance opts if the host was found. _assertValidOpts(governanceOpts, proposalEngineOpts); return true; } return false; } function _isPartyDao(address who) private view returns (bool isPartyDao) { return who == _GLOBALS.getAddress(LibGlobals.GLOBAL_DAO_WALLET); } // Assert that `who` is a contributor to the crowdfund. function _assertIsContributor(address who) internal view { if (_contributionsByContributor[who].length == 0) { revert OnlyContributorError(); } } // Can be called after a party has won. // Deploys and initializes a `Party` instance via the `PartyFactory` // and transfers the bought NFT to it. // After calling this, anyone can burn CF tokens on a contributor's behalf // with the `burn()` function. function _createParty( FixedGovernanceOpts memory governanceOpts, ProposalStorage.ProposalEngineOpts memory proposalEngineOpts, bool governanceOptsAlreadyValidated, IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds ) internal returns (Party party_) { if (party != Party(payable(0))) { revert PartyAlreadyExistsError(party); } // If the governance opts haven't already been validated, make sure that // it hasn't been tampered with. if (!governanceOptsAlreadyValidated) { _assertValidOpts(governanceOpts, proposalEngineOpts); } // Get options used to create the party. RendererStorage rendererStorage = RendererStorage( _GLOBALS.getAddress(LibGlobals.GLOBAL_RENDERER_STORAGE) ); address[] memory authorities = new address[](1); authorities[0] = address(this); // Create a party. party = party_ = governanceOpts.partyFactory.createParty( governanceOpts.partyImpl, authorities, Party.PartyOptions({ name: name, symbol: symbol, customizationPresetId: rendererStorage.getPresetFor(address(this)), governance: PartyGovernance.GovernanceOpts({ hosts: governanceOpts.hosts, voteDuration: governanceOpts.voteDuration, executionDelay: governanceOpts.executionDelay, passThresholdBps: governanceOpts.passThresholdBps, totalVotingPower: _getFinalPrice().safeCastUint256ToUint96(), feeBps: governanceOpts.feeBps, feeRecipient: governanceOpts.feeRecipient }), proposalEngine: proposalEngineOpts }), preciousTokens, preciousTokenIds, // Ragequit is not applicable for NFT parties which primarily own // non-fungible assets (which cannot be split) and can perform // distributions without needing a vote. DISABLE_RAGEQUIT_PERMANENTLY ); // Transfer the acquired NFTs to the new party. for (uint256 i; i < preciousTokens.length; ++i) { preciousTokens[i].transferFrom(address(this), address(party_), preciousTokenIds[i]); } } // Overloaded single token wrapper for _createParty() function _createParty( FixedGovernanceOpts memory governanceOpts, ProposalStorage.ProposalEngineOpts memory proposalEngineOpts, bool governanceOptsAlreadyValidated, IERC721 preciousToken, uint256 preciousTokenId ) internal returns (Party party_) { IERC721[] memory tokens = new IERC721[](1); tokens[0] = preciousToken; uint256[] memory tokenIds = new uint256[](1); tokenIds[0] = preciousTokenId; return _createParty( governanceOpts, proposalEngineOpts, governanceOptsAlreadyValidated, tokens, tokenIds ); } // Assert that the hash of `opts` matches the hash this crowdfund was initialized with. function _assertValidOpts( FixedGovernanceOpts memory governanceOpts, ProposalStorage.ProposalEngineOpts memory proposalEngineOpts ) private view { bytes32 partyOptsHash_ = _hashOpts(governanceOpts, proposalEngineOpts); if (partyOptsHash_ != partyOptsHash) { revert InvalidGovernanceOptionsError(); } } function _hashOpts( FixedGovernanceOpts memory govOpts, ProposalStorage.ProposalEngineOpts memory proposalEngineOpts ) internal pure returns (bytes32 h) { return keccak256(abi.encode(govOpts, proposalEngineOpts)); } function _getFinalContribution( address contributor ) internal view returns (uint256 ethUsed, uint256 ethOwed, uint256 votingPower) { uint256 totalEthUsed = _getFinalPrice(); { Contribution[] memory contributions = _contributionsByContributor[contributor]; uint256 numContributions = contributions.length; for (uint256 i; i < numContributions; ++i) { Contribution memory c = contributions[i]; if (c.previousTotalContributions >= totalEthUsed) { // This entire contribution was not used. ethOwed += c.amount; } else if (c.previousTotalContributions + c.amount <= totalEthUsed) { // This entire contribution was used. ethUsed += c.amount; } else { // This contribution was partially used. uint256 partialEthUsed = totalEthUsed - c.previousTotalContributions; ethUsed += partialEthUsed; ethOwed = c.amount - partialEthUsed; } } } // one SLOAD with optimizer on address splitRecipient_ = splitRecipient; uint256 splitBps_ = splitBps; if (splitRecipient_ == address(0)) { splitBps_ = 0; } votingPower = ((1e4 - splitBps_) * ethUsed) / 1e4; if (splitRecipient_ == contributor) { // Split recipient is also the contributor so just add the split // voting power. votingPower += (splitBps_ * totalEthUsed + (1e4 - 1)) / 1e4; // round up } } function _setDelegate(address contributor, address delegate) private { if (delegate == address(0)) revert InvalidDelegateError(); // Only need to update delegate if there was a change. address oldDelegate = delegationsByContributor[contributor]; if (oldDelegate == delegate) return; // Only allow setting delegate on another's behalf if the delegate is unset. if (msg.sender != contributor && oldDelegate != address(0)) return; // Update delegate. delegationsByContributor[contributor] = delegate; } /// @dev While it is not necessary to pass in `delegate` to this because the /// function does not require it, it is here to emit in the /// `Contribute` event so that the PartyBid frontend can access it more /// easily. function _contribute( address contributor, address delegate, uint96 amount, uint96 previousTotalContributions, bytes memory gateData ) private { if (contributor == address(this)) revert InvalidContributorError(); if (amount == 0) return; // Must not be blocked by gatekeeper. { IGateKeeper _gateKeeper = gateKeeper; if (_gateKeeper != IGateKeeper(address(0))) { // Checking msg.sender here instead of contributor is intentional to // allow someone who's allowed by a gatekeeper to invite others // into the Party. For example, to allow another contract, and // only that contract, to process contributions on behalf of // contributors. if (!_gateKeeper.isAllowed(msg.sender, gateKeeperId, gateData)) { revert NotAllowedByGateKeeperError( msg.sender, _gateKeeper, gateKeeperId, gateData ); } } } // Only allow contributions while the crowdfund is active. { CrowdfundLifecycle lc = getCrowdfundLifecycle(); if (lc != CrowdfundLifecycle.Active) { revert WrongLifecycleError(lc); } } // Increase total contributions. totalContributions += amount; // Create contributions entry for this contributor. Contribution[] storage contributions = _contributionsByContributor[contributor]; uint256 numContributions = contributions.length; uint96 ethContributed; for (uint256 i; i < numContributions; ++i) { ethContributed += contributions[i].amount; } // Check contribution is greater than minimum contribution. if (ethContributed + amount < minContribution) { revert BelowMinimumContributionsError(ethContributed + amount, minContribution); } // Check contribution is less than maximum contribution. if (ethContributed + amount > maxContribution) { revert AboveMaximumContributionsError(ethContributed + amount, maxContribution); } emit Contributed(msg.sender, contributor, amount, delegate, previousTotalContributions); // Notify third-party platforms that the crowdfund NFT metadata has updated. emit MetadataUpdate(uint256(uint160(contributor))); if (numContributions >= 1) { Contribution memory lastContribution = contributions[numContributions - 1]; // If no one else (other than this contributor) has contributed since, // we can just reuse this contributor's last entry. uint256 totalContributionsAmountForReuse = lastContribution.previousTotalContributions + lastContribution.amount; if (totalContributionsAmountForReuse == previousTotalContributions) { lastContribution.amount += amount; contributions[numContributions - 1] = lastContribution; return; } } // Add a new contribution entry. contributions.push( Contribution({ previousTotalContributions: previousTotalContributions, amount: amount }) ); // Mint a participation NFT if this is their first contribution. if (numContributions == 0) { _mint(contributor); } } function _burn(address payable contributor, CrowdfundLifecycle lc, Party party_) private { // If the CF has won, a party must have been created prior. if (lc == CrowdfundLifecycle.Won) { if (party_ == Party(payable(0))) { revert NoPartyError(); } } else if (lc != CrowdfundLifecycle.Lost) { // Otherwise it must have lost. revert WrongLifecycleError(lc); } // Split recipient can burn even if they don't have a token. { address splitRecipient_ = splitRecipient; if (contributor == splitRecipient_) { if (_splitRecipientHasBurned) { revert SplitRecipientAlreadyBurnedError(); } _splitRecipientHasBurned = true; } // Revert if already burned or does not exist. if (splitRecipient_ != contributor || _doesTokenExistFor(contributor)) { CrowdfundNFT._burn(contributor); } } // Compute the contributions used and owed to the contributor, along // with the voting power they'll have in the governance stage. (uint256 ethUsed, uint256 ethOwed, uint256 votingPower) = _getFinalContribution( contributor ); if (votingPower > 0) { // Get the address to delegate voting power to. If null, delegate to self. address delegate = delegationsByContributor[contributor]; if (delegate == address(0)) { // Delegate can be unset for the split recipient if they never // contribute. Self-delegate if this occurs. delegate = contributor; } // Mint governance NFT for the contributor. try party_.mint(contributor, votingPower, delegate) returns (uint256) { // OK } catch { // Mint to the crowdfund itself to escrow for contributor to // come claim later on. uint256 tokenId = party_.mint(address(this), votingPower, delegate); claims[contributor].governanceTokenId = tokenId; } } // Refund any ETH owed back to the contributor. (bool s, ) = contributor.call{ value: ethOwed }(""); if (!s) { // If the transfer fails, the contributor can still come claim it // from the crowdfund. claims[contributor].refund = ethOwed; } emit Burned(contributor, ethUsed, ethOwed, votingPower); } } function _hashFixedGovernanceOpts( Crowdfund.FixedGovernanceOpts memory opts ) pure returns (bytes32 h) { // Hash in place. assembly { // Replace the address[] hosts field with its hash temporarily. let oldHostsFieldValue := mload(opts) mstore(opts, keccak256(add(oldHostsFieldValue, 0x20), mul(mload(oldHostsFieldValue), 32))) // Hash the entire struct. h := keccak256(opts, 0xC0) // Restore old hosts field value. mstore(opts, oldHostsFieldValue) } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import { Multicall } from "../utils/Multicall.sol"; import { MetadataRegistry } from "./MetadataRegistry.sol"; import { IMetadataProvider } from "./IMetadataProvider.sol"; import { IGlobals } from "../globals/IGlobals.sol"; import { LibGlobals } from "../globals/LibGlobals.sol"; /// @notice A contract that provides custom metadata for Party Cards. contract MetadataProvider is IMetadataProvider, Multicall { event MetadataSet(address indexed instance, bytes metadata); error NotAuthorized(address caller, address instance); // The `Globals` contract storing global configuration values. This contract // is immutable and it’s address will never change. IGlobals internal immutable _GLOBALS; /// @inheritdoc IMetadataProvider bool public constant supportsRegistrars = true; // The metadata for each Party instance. mapping(address instance => bytes metadata) internal _metadata; // Set the `Globals` contract. constructor(IGlobals globals) { _GLOBALS = globals; } /// @inheritdoc IMetadataProvider function getMetadata( address instance, uint256 ) external view virtual override returns (bytes memory) { return _metadata[instance]; } /// @notice Set the metadata for a Party instance. /// @param instance The address of the instance. /// @param metadata The encoded metadata. function setMetadata(address instance, bytes memory metadata) external virtual { if (instance != msg.sender) { MetadataRegistry registry = MetadataRegistry( _GLOBALS.getAddress(LibGlobals.GLOBAL_METADATA_REGISTRY) ); // Check if the caller is authorized to set metadata for the instance. if (!registry.isRegistrar(msg.sender, instance)) { revert NotAuthorized(msg.sender, instance); } } _metadata[instance] = metadata; emit MetadataSet(instance, metadata); } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; // Interface for a gatekeeper contract used for private crowdfund instances. interface IGateKeeper { /// @notice Check if a participant is eligible to participate in a crowdfund. /// @param participant The address of the participant. /// @param id The ID of the gate to eligibility against. /// @param userData The data used to check eligibility. /// @return `true` if the participant is allowed to participate, `false` otherwise. function isAllowed( address participant, bytes12 id, bytes memory userData ) external view returns (bool); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../utils/Implementation.sol"; // Single registry of global values controlled by multisig. // See `LibGlobals` for all valid keys. interface IGlobals { function multiSig() external view returns (address); function getBytes32(uint256 key) external view returns (bytes32); function getUint256(uint256 key) external view returns (uint256); function getBool(uint256 key) external view returns (bool); function getAddress(uint256 key) external view returns (address); function getImplementation(uint256 key) external view returns (Implementation); function getIncludesBytes32(uint256 key, bytes32 value) external view returns (bool); function getIncludesUint256(uint256 key, uint256 value) external view returns (bool); function getIncludesAddress(uint256 key, address value) external view returns (bool); function setBytes32(uint256 key, bytes32 value) external; function setUint256(uint256 key, uint256 value) external; function setBool(uint256 key, bool value) external; function setAddress(uint256 key, address value) external; function setIncludesBytes32(uint256 key, bytes32 value, bool isIncluded) external; function setIncludesUint256(uint256 key, uint256 value, bool isIncluded) external; function setIncludesAddress(uint256 key, address value, bool isIncluded) external; }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8; // Minimal ERC721 interface. interface IERC721 { event Transfer(address indexed owner, address indexed to, uint256 indexed tokenId); event Approval(address indexed owner, address indexed operator, uint256 indexed tokenId); event ApprovalForAll(address indexed owner, address indexed operator, bool approved); function transferFrom(address from, address to, uint256 tokenId) external; function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; function safeTransferFrom(address from, address to, uint256 tokenId) external; function approve(address operator, uint256 tokenId) external; function setApprovalForAll(address operator, bool isApproved) external; function name() external view returns (string memory); function symbol() external view returns (string memory); function getApproved(uint256 tokenId) external view returns (address); function isApprovedForAll(address owner, address operator) external view returns (bool); function ownerOf(uint256 tokenId) external view returns (address); function balanceOf(address owner) external view returns (uint256); }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; /// @notice Arithmetic library with operations for fixed-point numbers. /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/FixedPointMathLib.sol) /// @author Inspired by USM (https://github.com/usmfum/USM/blob/master/contracts/WadMath.sol) library FixedPointMathLib { /*////////////////////////////////////////////////////////////// SIMPLIFIED FIXED POINT OPERATIONS //////////////////////////////////////////////////////////////*/ uint256 internal constant MAX_UINT256 = 2 ** 256 - 1; uint256 internal constant WAD = 1e18; // The scalar of ETH and most ERC20s. function mulWadDown(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivDown(x, y, WAD); // Equivalent to (x * y) / WAD rounded down. } function mulWadUp(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivUp(x, y, WAD); // Equivalent to (x * y) / WAD rounded up. } function divWadDown(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivDown(x, WAD, y); // Equivalent to (x * WAD) / y rounded down. } function divWadUp(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivUp(x, WAD, y); // Equivalent to (x * WAD) / y rounded up. } /*////////////////////////////////////////////////////////////// LOW LEVEL FIXED POINT OPERATIONS //////////////////////////////////////////////////////////////*/ function mulDivDown(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 z) { /// @solidity memory-safe-assembly assembly { // Equivalent to require(denominator != 0 && (y == 0 || x <= type(uint256).max / y)) if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) { revert(0, 0) } // Divide x * y by the denominator. z := div(mul(x, y), denominator) } } function mulDivUp(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 z) { /// @solidity memory-safe-assembly assembly { // Equivalent to require(denominator != 0 && (y == 0 || x <= type(uint256).max / y)) if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) { revert(0, 0) } // If x * y modulo the denominator is strictly greater than 0, // 1 is added to round up the division of x * y by the denominator. z := add(gt(mod(mul(x, y), denominator), 0), div(mul(x, y), denominator)) } } function rpow(uint256 x, uint256 n, uint256 scalar) internal pure returns (uint256 z) { /// @solidity memory-safe-assembly assembly { switch x case 0 { switch n case 0 { // 0 ** 0 = 1 z := scalar } default { // 0 ** n = 0 z := 0 } } default { switch mod(n, 2) case 0 { // If n is even, store scalar in z for now. z := scalar } default { // If n is odd, store x in z for now. z := x } // Shifting right by 1 is like dividing by 2. let half := shr(1, scalar) for { // Shift n right by 1 before looping to halve it. n := shr(1, n) } n { // Shift n right by 1 each iteration to halve it. n := shr(1, n) } { // Revert immediately if x ** 2 would overflow. // Equivalent to iszero(eq(div(xx, x), x)) here. if shr(128, x) { revert(0, 0) } // Store x squared. let xx := mul(x, x) // Round to the nearest number. let xxRound := add(xx, half) // Revert if xx + half overflowed. if lt(xxRound, xx) { revert(0, 0) } // Set x to scaled xxRound. x := div(xxRound, scalar) // If n is even: if mod(n, 2) { // Compute z * x. let zx := mul(z, x) // If z * x overflowed: if iszero(eq(div(zx, x), z)) { // Revert if x is non-zero. if iszero(iszero(x)) { revert(0, 0) } } // Round to the nearest number. let zxRound := add(zx, half) // Revert if zx + half overflowed. if lt(zxRound, zx) { revert(0, 0) } // Return properly scaled zxRound. z := div(zxRound, scalar) } } } } } /*////////////////////////////////////////////////////////////// GENERAL NUMBER UTILITIES //////////////////////////////////////////////////////////////*/ function sqrt(uint256 x) internal pure returns (uint256 z) { /// @solidity memory-safe-assembly assembly { let y := x // We start y at x, which will help us make our initial estimate. z := 181 // The "correct" value is 1, but this saves a multiplication later. // This segment is to get a reasonable initial estimate for the Babylonian method. With a bad // start, the correct # of bits increases ~linearly each iteration instead of ~quadratically. // We check y >= 2^(k + 8) but shift right by k bits // each branch to ensure that if x >= 256, then y >= 256. if iszero(lt(y, 0x10000000000000000000000000000000000)) { y := shr(128, y) z := shl(64, z) } if iszero(lt(y, 0x1000000000000000000)) { y := shr(64, y) z := shl(32, z) } if iszero(lt(y, 0x10000000000)) { y := shr(32, y) z := shl(16, z) } if iszero(lt(y, 0x1000000)) { y := shr(16, y) z := shl(8, z) } // Goal was to get z*z*y within a small factor of x. More iterations could // get y in a tighter range. Currently, we will have y in [256, 256*2^16). // We ensured y >= 256 so that the relative difference between y and y+1 is small. // That's not possible if x < 256 but we can just verify those cases exhaustively. // Now, z*z*y <= x < z*z*(y+1), and y <= 2^(16+8), and either y >= 256, or x < 256. // Correctness can be checked exhaustively for x < 256, so we assume y >= 256. // Then z*sqrt(y) is within sqrt(257)/sqrt(256) of sqrt(x), or about 20bps. // For s in the range [1/256, 256], the estimate f(s) = (181/1024) * (s+1) is in the range // (1/2.84 * sqrt(s), 2.84 * sqrt(s)), with largest error when s = 1 and when s = 256 or 1/256. // Since y is in [256, 256*2^16), let a = y/65536, so that a is in [1/256, 256). Then we can estimate // sqrt(y) using sqrt(65536) * 181/1024 * (a + 1) = 181/4 * (y + 65536)/65536 = 181 * (y + 65536)/2^18. // There is no overflow risk here since y < 2^136 after the first branch above. z := shr(18, mul(z, add(y, 65536))) // A mul() is saved from starting z at 181. // Given the worst case multiplicative error of 2.84 above, 7 iterations should be enough. z := shr(1, add(z, div(x, z))) z := shr(1, add(z, div(x, z))) z := shr(1, add(z, div(x, z))) z := shr(1, add(z, div(x, z))) z := shr(1, add(z, div(x, z))) z := shr(1, add(z, div(x, z))) z := shr(1, add(z, div(x, z))) // If x+1 is a perfect square, the Babylonian method cycles between // floor(sqrt(x)) and ceil(sqrt(x)). This statement ensures we return floor. // See: https://en.wikipedia.org/wiki/Integer_square_root#Using_only_integer_division // Since the ceil is rare, we save gas on the assignment and repeat division in the rare case. // If you don't care whether the floor or ceil square root is returned, you can remove this statement. z := sub(z, lt(div(x, z), z)) } } function unsafeMod(uint256 x, uint256 y) internal pure returns (uint256 z) { /// @solidity memory-safe-assembly assembly { // Mod x by y. Note this will return // 0 instead of reverting if y is zero. z := mod(x, y) } } function unsafeDiv(uint256 x, uint256 y) internal pure returns (uint256 r) { /// @solidity memory-safe-assembly assembly { // Divide x by y. Note this will return // 0 instead of reverting if y is zero. r := div(x, y) } } function unsafeDivUp(uint256 x, uint256 y) internal pure returns (uint256 z) { /// @solidity memory-safe-assembly assembly { // Add 1 to x * y if x % y > 0. Note this will // return 0 instead of reverting if y is zero. z := add(gt(mod(x, y), 0), div(x, y)) } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../tokens/IERC721.sol"; // Upgradeable proposals logic contract interface. interface IProposalExecutionEngine { struct ExecuteProposalParams { uint256 proposalId; bytes proposalData; bytes progressData; bytes extraData; uint256 flags; IERC721[] preciousTokens; uint256[] preciousTokenIds; } function initialize(address oldImpl, bytes memory initData) external; /// @notice Execute a proposal. /// @dev Must be delegatecalled into by PartyGovernance. /// If the proposal is incomplete, continues its next step (if possible). /// If another proposal is incomplete, this will fail. Only one /// incomplete proposal is allowed at a time. /// @param params The data needed to execute the proposal. /// @return nextProgressData Bytes to be passed into the next `execute()` call, /// if the proposal execution is incomplete. Otherwise, empty bytes /// to indicate the proposal is complete. function executeProposal( ExecuteProposalParams memory params ) external payable returns (bytes memory nextProgressData); /// @notice Forcibly cancel an incomplete proposal. /// @param proposalId The ID of the proposal to cancel. /// @dev This is intended to be a last resort as it can leave a party in a /// broken step. Whenever possible, proposals should be allowed to /// complete their entire lifecycle. function cancelProposal(uint256 proposalId) external; }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../utils/LibSafeCast.sol"; import "../utils/LibAddress.sol"; import "openzeppelin/contracts/interfaces/IERC2981.sol"; import "../globals/IGlobals.sol"; import "../tokens/IERC721.sol"; import "../vendor/solmate/ERC721.sol"; import "./PartyGovernance.sol"; import "../renderers/RendererStorage.sol"; /// @notice ERC721 functionality built on top of `PartyGovernance`. abstract contract PartyGovernanceNFT is PartyGovernance, ERC721, IERC2981 { using LibSafeCast for uint256; using LibSafeCast for uint96; using LibERC20Compat for IERC20; using LibAddress for address payable; error FixedRageQuitTimestampError(uint40 rageQuitTimestamp); error CannotRageQuitError(uint40 rageQuitTimestamp); error CannotDisableRageQuitAfterInitializationError(); error CannotEnableRageQuitIfNotDistributionsRequireVoteError(); error InvalidTokenOrderError(); error BelowMinWithdrawAmountError(uint256 amount, uint256 minAmount); error NothingToBurnError(); event AuthorityAdded(address indexed authority); event AuthorityRemoved(address indexed authority); event RageQuitSet(uint40 oldRageQuitTimestamp, uint40 newRageQuitTimestamp); event Burn(address caller, uint256 tokenId, uint256 votingPower); event RageQuit(address caller, uint256[] tokenIds, IERC20[] withdrawTokens, address receiver); event PartyCardIntrinsicVotingPowerSet(uint256 indexed tokenId, uint256 intrinsicVotingPower); uint40 private constant ENABLE_RAGEQUIT_PERMANENTLY = 0x6b5b567bfe; // uint40(uint256(keccak256("ENABLE_RAGEQUIT_PERMANENTLY"))) uint40 private constant DISABLE_RAGEQUIT_PERMANENTLY = 0xab2cb21860; // uint40(uint256(keccak256("DISABLE_RAGEQUIT_PERMANENTLY"))) // Token address used to indicate ETH. address private constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; // The `Globals` contract storing global configuration values. This contract // is immutable and its address will never change. IGlobals private immutable _GLOBALS; /// @notice The number of tokens that have been minted. uint96 public tokenCount; /// @notice The total minted voting power. /// Capped to `_governanceValues.totalVotingPower` unless minting /// party cards for initial crowdfund. uint96 public mintedVotingPower; /// @notice The timestamp until which ragequit is enabled. Can be set to the /// `ENABLE_RAGEQUIT_PERMANENTLY`/`DISABLE_RAGEQUIT_PERMANENTLY` /// values to enable/disable ragequit permanently. /// `DISABLE_RAGEQUIT_PERMANENTLY` can only be set during /// initialization. uint40 public rageQuitTimestamp; /// @notice The voting power of `tokenId`. mapping(uint256 => uint256) public votingPowerByTokenId; /// @notice Address with authority to mint cards and update voting power for the party. mapping(address => bool) public isAuthority; function _assertAuthority() internal view { if (!isAuthority[msg.sender]) { revert NotAuthorized(); } } modifier onlySelf() { if (msg.sender != address(this)) { revert NotAuthorized(); } _; } // Set the `Globals` contract. The name or symbol of ERC721 does not matter; // it will be set in `_initialize()`. constructor(IGlobals globals) payable PartyGovernance(globals) ERC721("", "") { _GLOBALS = globals; } // Initialize storage for proxy contracts. function _initialize( string memory name_, string memory symbol_, uint256 customizationPresetId, PartyGovernance.GovernanceOpts memory governanceOpts, ProposalStorage.ProposalEngineOpts memory proposalEngineOpts, IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds, address[] memory authorities, uint40 rageQuitTimestamp_ ) internal { PartyGovernance._initialize( governanceOpts, proposalEngineOpts, preciousTokens, preciousTokenIds ); name = name_; symbol = symbol_; if (rageQuitTimestamp_ != 0) { if (!proposalEngineOpts.distributionsRequireVote) { revert CannotEnableRageQuitIfNotDistributionsRequireVoteError(); } rageQuitTimestamp = rageQuitTimestamp_; } unchecked { for (uint256 i; i < authorities.length; ++i) { isAuthority[authorities[i]] = true; } } if (customizationPresetId != 0) { RendererStorage(_GLOBALS.getAddress(LibGlobals.GLOBAL_RENDERER_STORAGE)) .useCustomizationPreset(customizationPresetId); } } /// @inheritdoc EIP165 function supportsInterface( bytes4 interfaceId ) public pure override(PartyGovernance, ERC721, IERC165) returns (bool) { return PartyGovernance.supportsInterface(interfaceId) || ERC721.supportsInterface(interfaceId) || interfaceId == type(IERC2981).interfaceId; } /// @inheritdoc ERC721 function tokenURI(uint256) public view override returns (string memory) { _delegateToRenderer(); return ""; // Just to make the compiler happy. } /// @notice Returns a URI for the storefront-level metadata for your contract. function contractURI() external view returns (string memory) { _delegateToRenderer(); return ""; // Just to make the compiler happy. } /// @notice Called with the sale price to determine how much royalty // is owed and to whom. function royaltyInfo(uint256, uint256) external view returns (address, uint256) { _delegateToRenderer(); return (address(0), 0); // Just to make the compiler happy. } /// @notice Return the distribution share amount of a token. Included as an alias /// for `votePowerByTokenId` for backwards compatibility with old /// `TokenDistributor` implementations. /// @param tokenId The token ID to query. /// @return share The distribution shares of `tokenId`. function getDistributionShareOf(uint256 tokenId) external view returns (uint256) { return votingPowerByTokenId[tokenId]; } /// @notice Return the voting power share of a token. Denominated /// fractions of 1e18. I.e., 1e18 = 100%. /// @param tokenId The token ID to query. /// @return share The voting power percentage of `tokenId`. function getVotingPowerShareOf(uint256 tokenId) public view returns (uint256) { uint256 totalVotingPower = _getSharedProposalStorage().governanceValues.totalVotingPower; return totalVotingPower == 0 ? 0 : (votingPowerByTokenId[tokenId] * 1e18) / totalVotingPower; } /// @notice Mint a governance NFT for `owner` with `votingPower` and /// immediately delegate voting power to `delegate.` Only callable /// by an authority. /// @param owner The owner of the NFT. /// @param votingPower The voting power of the NFT. /// @param delegate The address to delegate voting power to. function mint( address owner, uint256 votingPower, address delegate ) external returns (uint256 tokenId) { _assertAuthority(); uint96 mintedVotingPower_ = mintedVotingPower; uint96 totalVotingPower = _getSharedProposalStorage().governanceValues.totalVotingPower; // Cap voting power to remaining unminted voting power supply. uint96 votingPower_ = votingPower.safeCastUint256ToUint96(); // Allow minting past total voting power if minting party cards for // initial crowdfund when there is no total voting power. if (totalVotingPower != 0 && totalVotingPower - mintedVotingPower_ < votingPower_) { unchecked { votingPower_ = totalVotingPower - mintedVotingPower_; } } // Update state. unchecked { tokenId = ++tokenCount; } mintedVotingPower += votingPower_; votingPowerByTokenId[tokenId] = votingPower_; emit PartyCardIntrinsicVotingPowerSet(tokenId, votingPower_); // Use delegate from party over the one set during crowdfund. address delegate_ = delegationsByVoter[owner]; if (delegate_ != address(0)) { delegate = delegate_; } _adjustVotingPower(owner, votingPower_.safeCastUint96ToInt192(), delegate); _safeMint(owner, tokenId); } /// @notice Add voting power to an existing NFT. Only callable by an /// authority. /// @param tokenId The ID of the NFT to add voting power to. /// @param votingPower The amount of voting power to add. function increaseVotingPower(uint256 tokenId, uint96 votingPower) external { _assertAuthority(); uint96 mintedVotingPower_ = mintedVotingPower; uint96 totalVotingPower = _getSharedProposalStorage().governanceValues.totalVotingPower; // Cap voting power to remaining unminted voting power supply. Allow // minting past total voting power if minting party cards for initial // crowdfund when there is no total voting power. if (totalVotingPower != 0 && totalVotingPower - mintedVotingPower_ < votingPower) { unchecked { votingPower = totalVotingPower - mintedVotingPower_; } } // Update state. mintedVotingPower += votingPower; uint256 newIntrinsicVotingPower = votingPowerByTokenId[tokenId] + votingPower; votingPowerByTokenId[tokenId] = newIntrinsicVotingPower; emit PartyCardIntrinsicVotingPowerSet(tokenId, newIntrinsicVotingPower); _adjustVotingPower(ownerOf(tokenId), votingPower.safeCastUint96ToInt192(), address(0)); // Notify third-party platforms that the party NFT metadata has updated. emit MetadataUpdate(tokenId); } /// @notice Remove voting power from an existing NFT. Only callable by an /// authority. /// @param tokenId The ID of the NFT to remove voting power from. /// @param votingPower The amount of voting power to remove. function decreaseVotingPower(uint256 tokenId, uint96 votingPower) external { _assertAuthority(); mintedVotingPower -= votingPower; votingPowerByTokenId[tokenId] -= votingPower; _adjustVotingPower(ownerOf(tokenId), -votingPower.safeCastUint96ToInt192(), address(0)); // Notify third-party platforms that the party NFT metadata has updated. emit MetadataUpdate(tokenId); } /// @notice Increase the total voting power of the party. Only callable by /// an authority. /// @param votingPower The new total voting power to add. function increaseTotalVotingPower(uint96 votingPower) external { _assertAuthority(); _getSharedProposalStorage().governanceValues.totalVotingPower += votingPower; lastTotalVotingPowerChangeTimestamp == uint40(block.timestamp); // Notify third-party platforms that the party NFT metadata has updated // for all tokens. emit BatchMetadataUpdate(0, type(uint256).max); } /// @notice Decrease the total voting power of the party. Only callable by /// an authority. /// @param votingPower The new total voting power to add. function decreaseTotalVotingPower(uint96 votingPower) external { _assertAuthority(); _getSharedProposalStorage().governanceValues.totalVotingPower -= votingPower; lastTotalVotingPowerChangeTimestamp == uint40(block.timestamp); // Notify third-party platforms that the party NFT metadata has updated // for all tokens. emit BatchMetadataUpdate(0, type(uint256).max); } /// @notice Burn governance NFTs and remove their voting power. /// @param tokenIds The IDs of the governance NFTs to burn. function burn(uint256[] memory tokenIds) public { _assertAuthority(); _burnAndUpdateVotingPower(tokenIds, false); } function _burnAndUpdateVotingPower( uint256[] memory tokenIds, bool checkIfAuthorizedToBurn ) private returns (uint96 totalVotingPowerBurned) { for (uint256 i; i < tokenIds.length; ++i) { uint256 tokenId = tokenIds[i]; address owner = ownerOf(tokenId); // Check if caller is authorized to burn the token. if (checkIfAuthorizedToBurn) { if ( msg.sender != owner && getApproved[tokenId] != msg.sender && !isApprovedForAll[owner][msg.sender] ) { revert NotAuthorized(); } } // Must be retrieved before updating voting power for token to be burned. uint96 votingPower = votingPowerByTokenId[tokenId].safeCastUint256ToUint96(); totalVotingPowerBurned += votingPower; // Update voting power for token to be burned. delete votingPowerByTokenId[tokenId]; emit PartyCardIntrinsicVotingPowerSet(tokenId, 0); _adjustVotingPower(owner, -votingPower.safeCastUint96ToInt192(), address(0)); // Burn token. _burn(tokenId); emit Burn(msg.sender, tokenId, votingPower); } // Update minted voting power. mintedVotingPower -= totalVotingPowerBurned; emit BatchMetadataUpdate(0, type(uint256).max); } /// @notice Burn governance NFT and remove its voting power. /// @param tokenId The ID of the governance NFTs to burn. function burn(uint256 tokenId) external { uint256[] memory tokenIds = new uint256[](1); tokenIds[0] = tokenId; burn(tokenIds); } /// @notice Set the timestamp until which ragequit is enabled. /// @param newRageQuitTimestamp The new ragequit timestamp. function setRageQuit(uint40 newRageQuitTimestamp) external { _assertHost(); // Prevent disabling ragequit after initialization. if (newRageQuitTimestamp == DISABLE_RAGEQUIT_PERMANENTLY) { revert CannotDisableRageQuitAfterInitializationError(); } // Prevent enabling ragequit if distributions can be created without a vote. if (!_getSharedProposalStorage().opts.distributionsRequireVote) revert CannotEnableRageQuitIfNotDistributionsRequireVoteError(); uint40 oldRageQuitTimestamp = rageQuitTimestamp; // Prevent setting timestamp if it is permanently enabled/disabled. if ( oldRageQuitTimestamp == ENABLE_RAGEQUIT_PERMANENTLY || oldRageQuitTimestamp == DISABLE_RAGEQUIT_PERMANENTLY ) { revert FixedRageQuitTimestampError(oldRageQuitTimestamp); } rageQuitTimestamp = newRageQuitTimestamp; emit RageQuitSet(oldRageQuitTimestamp, newRageQuitTimestamp); } /// @notice Burn a governance NFT and withdraw a fair share of fungible tokens from the party. /// @param tokenIds The IDs of the governance NFTs to burn. /// @param withdrawTokens The fungible tokens to withdraw. Specify the /// `ETH_ADDRESS` value to withdraw ETH. /// @param minWithdrawAmounts The minimum amount of to withdraw for each token. /// @param receiver The address to receive the withdrawn tokens. function rageQuit( uint256[] calldata tokenIds, IERC20[] calldata withdrawTokens, uint256[] calldata minWithdrawAmounts, address receiver ) external { if (tokenIds.length == 0) revert NothingToBurnError(); // Check if called by an authority. bool isAuthority_ = isAuthority[msg.sender]; // Check if ragequit is allowed. uint40 currentRageQuitTimestamp = rageQuitTimestamp; if (!isAuthority_) { if (currentRageQuitTimestamp != ENABLE_RAGEQUIT_PERMANENTLY) { if ( currentRageQuitTimestamp == DISABLE_RAGEQUIT_PERMANENTLY || currentRageQuitTimestamp < block.timestamp ) { revert CannotRageQuitError(currentRageQuitTimestamp); } } } // Used as a reentrancy guard. Will be updated back after ragequit. rageQuitTimestamp = DISABLE_RAGEQUIT_PERMANENTLY; lastTotalVotingPowerChangeTimestamp = uint40(block.timestamp); // Sum up total amount of each token to withdraw. uint256[] memory withdrawAmounts = new uint256[](withdrawTokens.length); { IERC20 prevToken; for (uint256 i; i < withdrawTokens.length; ++i) { // Check if order of tokens to transfer is valid. // Prevent null and duplicate transfers. if (prevToken >= withdrawTokens[i]) revert InvalidTokenOrderError(); prevToken = withdrawTokens[i]; // Check token's balance. uint256 balance = address(withdrawTokens[i]) == ETH_ADDRESS ? address(this).balance : withdrawTokens[i].balanceOf(address(this)); // Add fair share of tokens from the party to total. for (uint256 j; j < tokenIds.length; ++j) { // Must be retrieved before burning the token. withdrawAmounts[i] += (balance * getVotingPowerShareOf(tokenIds[j])) / 1e18; } } } { // Burn caller's party cards. This will revert if caller is not the // the owner or approved for any of the card they are attempting to // burn, not an authority, or if there are duplicate token IDs. uint96 totalVotingPowerBurned = _burnAndUpdateVotingPower(tokenIds, !isAuthority_); // Update total voting power of party. _getSharedProposalStorage().governanceValues.totalVotingPower -= totalVotingPowerBurned; } { uint16 feeBps_ = feeBps; for (uint256 i; i < withdrawTokens.length; ++i) { IERC20 token = withdrawTokens[i]; uint256 amount = withdrawAmounts[i]; // Take fee from amount. uint256 fee = (amount * feeBps_) / 1e4; if (fee > 0) { amount -= fee; // Transfer fee to fee recipient. if (address(token) == ETH_ADDRESS) { payable(feeRecipient).transferEth(fee); } else { token.compatTransfer(feeRecipient, fee); } } // Check amount is at least minimum. uint256 minAmount = minWithdrawAmounts[i]; if (amount < minAmount) { revert BelowMinWithdrawAmountError(amount, minAmount); } if (amount > 0) { // Transfer token from party to recipient. if (address(token) == ETH_ADDRESS) { payable(receiver).transferEth(amount); } else { token.compatTransfer(receiver, amount); } } } } // Update ragequit timestamp back to before. rageQuitTimestamp = currentRageQuitTimestamp; emit RageQuit(msg.sender, tokenIds, withdrawTokens, receiver); } /// @inheritdoc ERC721 function transferFrom(address owner, address to, uint256 tokenId) public override { // Transfer voting along with token. _transferVotingPower(owner, to, votingPowerByTokenId[tokenId]); super.transferFrom(owner, to, tokenId); } /// @inheritdoc ERC721 function safeTransferFrom(address owner, address to, uint256 tokenId) public override { // super.safeTransferFrom() will call transferFrom() first which will // transfer voting power. super.safeTransferFrom(owner, to, tokenId); } /// @inheritdoc ERC721 function safeTransferFrom( address owner, address to, uint256 tokenId, bytes calldata data ) public override { // super.safeTransferFrom() will call transferFrom() first which will // transfer voting power. super.safeTransferFrom(owner, to, tokenId, data); } /// @notice Add a new authority. /// @dev Used in `AddAuthorityProposal`. Only the party itself can add /// authorities to prevent it from being used anywhere else. function addAuthority(address authority) external onlySelf { isAuthority[authority] = true; emit AuthorityAdded(authority); } /// @notice Relinquish the authority role. function abdicateAuthority() external { _assertAuthority(); delete isAuthority[msg.sender]; emit AuthorityRemoved(msg.sender); } function _delegateToRenderer() private view { _readOnlyDelegateCall( // Instance of IERC721Renderer. _GLOBALS.getAddress(LibGlobals.GLOBAL_GOVERNANCE_NFT_RENDER_IMPL), msg.data ); assert(false); // Will not be reached. } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import { ITokenDistributor } from "../distribution/ITokenDistributor.sol"; import { ReadOnlyDelegateCall } from "../utils/ReadOnlyDelegateCall.sol"; import { IERC721 } from "../tokens/IERC721.sol"; import { IERC20 } from "../tokens/IERC20.sol"; import { IERC721Receiver } from "../tokens/IERC721Receiver.sol"; import { ERC1155TokenReceiverBase } from "../vendor/solmate/ERC1155.sol"; import { LibERC20Compat } from "../utils/LibERC20Compat.sol"; import { LibRawResult } from "../utils/LibRawResult.sol"; import { LibSafeCast } from "../utils/LibSafeCast.sol"; import { IERC4906 } from "../utils/IERC4906.sol"; import { IGlobals } from "../globals/IGlobals.sol"; import { LibGlobals } from "../globals/LibGlobals.sol"; import { IProposalExecutionEngine } from "../proposals/IProposalExecutionEngine.sol"; import { LibProposal } from "../proposals/LibProposal.sol"; import { ProposalStorage } from "../proposals/ProposalStorage.sol"; import { Implementation } from "../utils/Implementation.sol"; import { Party } from "./Party.sol"; /// @notice Base contract for a Party encapsulating all governance functionality. /// @dev This contract uses IERC4906 however does not comply with the standard /// since it does emit metadata events when distributions are claimed or /// when a MetadaProvider changes its URI. This decision was made /// intentionally which is why ERC4906 is not included in `supportsInterface`. abstract contract PartyGovernance is ProposalStorage, Implementation, IERC4906, ReadOnlyDelegateCall { using LibERC20Compat for IERC20; using LibRawResult for bytes; using LibSafeCast for uint256; using LibSafeCast for int192; using LibSafeCast for uint96; // States a proposal can be in. enum ProposalStatus { // The proposal does not exist. Invalid, // The proposal has been proposed (via `propose()`), has not been vetoed // by a party host, and is within the voting window. Members can vote on // the proposal and party hosts can veto the proposal. Voting, // The proposal has either exceeded its voting window without reaching // `passThresholdBps` of votes or was vetoed by a party host. Defeated, // The proposal reached at least `passThresholdBps` of votes but is still // waiting for `executionDelay` to pass before it can be executed. Members // can continue to vote on the proposal and party hosts can veto at this time. Passed, // Same as `Passed` but now `executionDelay` has been satisfied. Any member // may execute the proposal via `execute()`, unless `maxExecutableTime` // has arrived. Ready, // The proposal has been executed at least once but has further steps to // complete so it needs to be executed again. No other proposals may be // executed while a proposal is in the `InProgress` state. No voting or // vetoing of the proposal is allowed, however it may be forcibly cancelled // via `cancel()` if the `cancelDelay` has passed since being first executed. InProgress, // The proposal was executed and completed all its steps. No voting or // vetoing can occur and it cannot be cancelled nor executed again. Complete, // The proposal was executed at least once but did not complete before // `cancelDelay` seconds passed since the first execute and was forcibly cancelled. Cancelled } struct GovernanceOpts { // Address of initial party hosts. address[] hosts; // How long people can vote on a proposal. uint40 voteDuration; // How long to wait after a proposal passes before it can be // executed. uint40 executionDelay; // Minimum ratio of accept votes to consider a proposal passed, // in bps, where 10,000 == 100%. uint16 passThresholdBps; // Total voting power of governance NFTs. uint96 totalVotingPower; // Fee bps for distributions. uint16 feeBps; // Fee recipient for distributions. address payable feeRecipient; } // A snapshot of voting power for a member. struct VotingPowerSnapshot { // The timestamp when the snapshot was taken. uint40 timestamp; // Voting power that was delegated to this user by others. uint96 delegatedVotingPower; // The intrinsic (not delegated from someone else) voting power of this user. uint96 intrinsicVotingPower; // Whether the user was delegated to another at this snapshot. bool isDelegated; } // Proposal details chosen by proposer. struct Proposal { // Time beyond which the proposal can no longer be executed. // If the proposal has already been executed, and is still InProgress, // this value is ignored. uint40 maxExecutableTime; // The minimum seconds this proposal can remain in the InProgress status // before it can be cancelled. uint40 cancelDelay; // Encoded proposal data. The first 4 bytes are the proposal type, followed // by encoded proposal args specific to the proposal type. See // ProposalExecutionEngine for details. bytes proposalData; } // Accounting and state tracking values for a proposal. struct ProposalStateValues { // When the proposal was proposed. uint40 proposedTime; // When the proposal passed the vote. uint40 passedTime; // When the proposal was first executed. uint40 executedTime; // When the proposal completed. uint40 completedTime; // Number of accept votes. uint96 votes; // -1 == vetoed // Number of total voting power at time proposal created. uint96 totalVotingPower; // Number of hosts at time proposal created uint8 numHosts; // Number of hosts that accepted proposal uint8 numHostsAccepted; // Cached vote duration from proposal creation. uint40 voteDuration; // Cached execution delay from proposal creation. uint40 executionDelay; // Cached pass threshold bps from proposal creation. uint16 passThresholdBps; } // Storage states for a proposal. struct ProposalState { // Accounting and state tracking values. ProposalStateValues values; // Hash of the proposal. bytes32 hash; // Whether a member has voted for (accepted) this proposal already. mapping(address => bool) hasVoted; } event Proposed(uint256 proposalId, address proposer, Proposal proposal); event ProposalAccepted(uint256 proposalId, address voter, uint256 weight); event EmergencyExecute(address target, bytes data, uint256 amountEth); event ProposalPassed(uint256 indexed proposalId); event ProposalVetoed(uint256 indexed proposalId, address host); event ProposalExecuted(uint256 indexed proposalId, address executor, bytes nextProgressData); event ProposalCancelled(uint256 indexed proposalId); event DistributionCreated( ITokenDistributor.TokenType tokenType, address token, uint256 tokenId ); event PartyDelegateUpdated(address indexed owner, address indexed delegate); event HostStatusTransferred(address oldHost, address newHost); event EmergencyExecuteDisabled(); event PartyVotingSnapshotCreated( address indexed voter, uint40 timestamp, uint96 delegatedVotingPower, uint96 intrinsicVotingPower, bool isDelegated ); error MismatchedPreciousListLengths(); error BadProposalStatusError(ProposalStatus status); error BadProposalHashError(bytes32 proposalHash, bytes32 actualHash); error ExecutionTimeExceededError(uint40 maxExecutableTime, uint40 timestamp); error NotAuthorized(); error InvalidDelegateError(); error BadPreciousListError(); error OnlyWhenEmergencyActionsAllowedError(); error OnlyWhenEnabledError(); error AlreadyVotedError(address voter); error InvalidNewHostError(); error ProposalCannotBeCancelledYetError(uint40 currentTime, uint40 cancelTime); error InvalidBpsError(uint16 bps); error InvalidGovernanceParameter(uint256 value); error DistributionsRequireVoteError(); error PartyNotStartedError(); error CannotModifyTotalVotingPowerAndAcceptError(); error TooManyHosts(); uint256 private constant UINT40_HIGH_BIT = 1 << 39; uint96 private constant VETO_VALUE = type(uint96).max; // The `Globals` contract storing global configuration values. This contract // is immutable and it’s address will never change. IGlobals private immutable _GLOBALS; /// @notice Whether the DAO has emergency powers for this party. bool public emergencyExecuteDisabled; /// @notice Distribution fee bps. uint16 public feeBps; /// @notice Distribution fee recipient. address payable public feeRecipient; /// @notice The timestamp of the last time total voting power changed in the party. uint40 public lastTotalVotingPowerChangeTimestamp; /// @notice The hash of the list of precious NFTs guarded by the party. bytes32 public preciousListHash; /// @notice The last proposal ID that was used. 0 means no proposals have been made. uint256 public lastProposalId; /// @notice Whether an address is a party host. mapping(address => bool) public isHost; /// @notice The last person a voter delegated its voting power to. mapping(address => address) public delegationsByVoter; /// @notice Number of hosts for this party uint8 public numHosts; /// @notice ProposalState by proposal ID. mapping(uint256 => ProposalState) private _proposalStateByProposalId; /// @notice Snapshots of voting power per user, each sorted by increasing time. mapping(address => VotingPowerSnapshot[]) private _votingPowerSnapshotsByVoter; function _assertHost() internal view { if (!isHost[msg.sender]) { revert NotAuthorized(); } } function _assertActiveMember() internal view { VotingPowerSnapshot memory snap = _getLastVotingPowerSnapshotForVoter(msg.sender); // Must have either delegated voting power or intrinsic voting power. if (snap.intrinsicVotingPower == 0 && snap.delegatedVotingPower == 0) { revert NotAuthorized(); } } // Only the party DAO multisig can call. modifier onlyPartyDao() { { address partyDao = _GLOBALS.getAddress(LibGlobals.GLOBAL_DAO_WALLET); if (msg.sender != partyDao) { revert NotAuthorized(); } } _; } // Only the party DAO multisig or a party host can call. modifier onlyPartyDaoOrHost() { address partyDao = _GLOBALS.getAddress(LibGlobals.GLOBAL_DAO_WALLET); if (msg.sender != partyDao && !isHost[msg.sender]) { revert NotAuthorized(); } _; } // Only if `emergencyExecuteDisabled` is not true. modifier onlyWhenEmergencyExecuteAllowed() { if (emergencyExecuteDisabled) { revert OnlyWhenEmergencyActionsAllowedError(); } _; } function _assertNotGloballyDisabled() internal view { if (_GLOBALS.getBool(LibGlobals.GLOBAL_DISABLE_PARTY_ACTIONS)) { revert OnlyWhenEnabledError(); } } // Set the `Globals` contract. constructor(IGlobals globals) { _GLOBALS = globals; } // Initialize storage for proxy contracts and initialize the proposal execution engine. function _initialize( GovernanceOpts memory govOpts, ProposalStorage.ProposalEngineOpts memory proposalEngineOpts, IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds ) internal virtual { // Check BPS are valid. if (govOpts.feeBps > 1e4) { revert InvalidBpsError(govOpts.feeBps); } if (govOpts.voteDuration < 1 hours) { revert InvalidGovernanceParameter(govOpts.voteDuration); } if (govOpts.passThresholdBps == 0 || govOpts.passThresholdBps > 1e4) { revert InvalidBpsError(govOpts.passThresholdBps); } if (govOpts.executionDelay == 0 || govOpts.executionDelay > 30 days) { revert InvalidGovernanceParameter(govOpts.executionDelay); } // Initialize the proposal execution engine. _initProposalImpl( IProposalExecutionEngine(_GLOBALS.getAddress(LibGlobals.GLOBAL_PROPOSAL_ENGINE_IMPL)), abi.encode(proposalEngineOpts) ); // Set the governance parameters. _getSharedProposalStorage().governanceValues = GovernanceValues({ voteDuration: govOpts.voteDuration, executionDelay: govOpts.executionDelay, passThresholdBps: govOpts.passThresholdBps, totalVotingPower: govOpts.totalVotingPower }); numHosts = uint8(govOpts.hosts.length); // Set fees. feeBps = govOpts.feeBps; feeRecipient = govOpts.feeRecipient; // Set the precious list. _setPreciousList(preciousTokens, preciousTokenIds); // Set the party hosts. if (govOpts.hosts.length > type(uint8).max) { revert TooManyHosts(); } for (uint256 i = 0; i < govOpts.hosts.length; ++i) { isHost[govOpts.hosts[i]] = true; } } /// @dev Forward all unknown read-only calls to the proposal execution engine. /// Initial use case is to facilitate eip-1271 signatures. fallback() external { bytes4 functionSelector = bytes4(msg.data[0:4]); if ( functionSelector == ERC1155TokenReceiverBase.onERC1155BatchReceived.selector || functionSelector == ERC1155TokenReceiverBase.onERC1155Received.selector || functionSelector == IERC721Receiver.onERC721Received.selector ) { assembly { let freeMem := mload(0x40) mstore(freeMem, functionSelector) mstore(0x40, add(freeMem, 0x20)) return(freeMem, 0x20) } } _readOnlyDelegateCall(address(_getSharedProposalStorage().engineImpl), msg.data); } /// @notice Query if a contract implements an interface. /// @param interfaceId The interface identifier, as specified in ERC-165 /// @return `true` if the contract implements `interfaceId` and /// `interfaceId` is not 0xffffffff, `false` otherwise function supportsInterface(bytes4 interfaceId) public pure virtual returns (bool) { return interfaceId == type(IERC721Receiver).interfaceId || interfaceId == type(ERC1155TokenReceiverBase).interfaceId; } /// @notice Get the current `ProposalExecutionEngine` instance. function getProposalExecutionEngine() external view returns (IProposalExecutionEngine) { return _getSharedProposalStorage().engineImpl; } /// @notice Get the current `ProposalEngineOpts` options. function getProposalEngineOpts() external view returns (ProposalEngineOpts memory) { return _getSharedProposalStorage().opts; } /// @notice Get the total voting power of `voter` at a snapshot `snapIndex`, with checks to /// make sure it is the latest voting snapshot =< `timestamp`. /// @param voter The address of the voter. /// @param timestamp The timestamp to get the voting power at. /// @param snapIndex The index of the snapshot to get the voting power at. /// @return votingPower The total voting power of `voter` at `timestamp`. function getVotingPowerAt( address voter, uint40 timestamp, uint256 snapIndex ) public view returns (uint96 votingPower) { VotingPowerSnapshot memory snap = _getVotingPowerSnapshotAt(voter, timestamp, snapIndex); return (snap.isDelegated ? 0 : snap.intrinsicVotingPower) + snap.delegatedVotingPower; } /// @notice Get the state of a proposal. /// @param proposalId The ID of the proposal. /// @return status The status of the proposal. /// @return values The state of the proposal. function getProposalStateInfo( uint256 proposalId ) external view returns (ProposalStatus status, ProposalStateValues memory values) { values = _proposalStateByProposalId[proposalId].values; status = _getProposalStatus(values); } /// @notice Retrieve fixed governance parameters. /// @return gv The governance parameters of this party. function getGovernanceValues() external view returns (GovernanceValues memory) { return _getSharedProposalStorage().governanceValues; } /// @notice Get the hash of a proposal. /// @dev Proposal details are not stored on-chain so the hash is used to enforce /// consistency between calls. /// @param proposal The proposal to hash. /// @return proposalHash The hash of the proposal. function getProposalHash(Proposal memory proposal) public pure returns (bytes32 proposalHash) { // Hash the proposal in-place. Equivalent to: // keccak256(abi.encode( // proposal.maxExecutableTime, // proposal.cancelDelay, // keccak256(proposal.proposalData) // )) bytes32 dataHash = keccak256(proposal.proposalData); assembly { // Overwrite the data field with the hash of its contents and then // hash the struct. let dataPos := add(proposal, 0x40) let t := mload(dataPos) mstore(dataPos, dataHash) proposalHash := keccak256(proposal, 0x60) // Restore the data field. mstore(dataPos, t) } } /// @notice Get the index of the most recent voting power snapshot <= `timestamp`. /// @param voter The address of the voter. /// @param timestamp The timestamp to get the snapshot index at. /// @return index The index of the snapshot. function findVotingPowerSnapshotIndex( address voter, uint40 timestamp ) public view returns (uint256 index) { VotingPowerSnapshot[] storage snaps = _votingPowerSnapshotsByVoter[voter]; // Derived from Open Zeppelin binary search // ref: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/Checkpoints.sol#L39 uint256 high = snaps.length; uint256 low = 0; while (low < high) { uint256 mid = (low + high) / 2; if (snaps[mid].timestamp > timestamp) { // Entry is too recent. high = mid; } else { // Entry is older. This is our best guess for now. low = mid + 1; } } // Return `type(uint256).max` if no valid voting snapshots found. return high == 0 ? type(uint256).max : high - 1; } /// @notice Pledge your intrinsic voting power to a new delegate, removing it from /// the old one (if any). /// @param delegate The address to delegating voting power to. function delegateVotingPower(address delegate) external { _adjustVotingPower(msg.sender, 0, delegate); } /// @notice Transfer party host status to another. /// @param newPartyHost The address of the new host. function abdicateHost(address newPartyHost) external { _assertHost(); // 0 is a special case burn address. if (newPartyHost != address(0)) { // Can only abdicate host revert InvalidNewHostError(); } else { // Burned the host status --numHosts; } isHost[msg.sender] = false; emit HostStatusTransferred(msg.sender, newPartyHost); } /// @notice Create a token distribution by moving the party's entire balance /// to the `TokenDistributor` contract and immediately creating a /// distribution governed by this party. /// @dev The `feeBps` and `feeRecipient` this party was created with will be /// propagated to the distribution. Party members are entitled to a /// share of the distribution's tokens proportionate to their relative /// voting power in this party (less the fee). /// @dev Allow this to be called by the party itself for `FractionalizeProposal`. /// @param tokenType The type of token to distribute. /// @param token The address of the token to distribute. /// @param tokenId The ID of the token to distribute. Currently unused but /// may be used in the future to support other distribution types. /// @return distInfo The information about the created distribution. function distribute( uint256 amount, ITokenDistributor.TokenType tokenType, address token, uint256 tokenId ) external returns (ITokenDistributor.DistributionInfo memory distInfo) { _assertNotGloballyDisabled(); // Ignore if the party is calling functions on itself, like with // `FractionalizeProposal` and `DistributionProposal`. if (msg.sender != address(this)) { // Must not require a vote to create a distribution, otherwise // distributions can only be created through a distribution // proposal. if (_getSharedProposalStorage().opts.distributionsRequireVote) { revert DistributionsRequireVoteError(); } // Must be an active member. VotingPowerSnapshot memory snap = _getLastVotingPowerSnapshotForVoter(msg.sender); if (snap.intrinsicVotingPower == 0 && snap.delegatedVotingPower == 0) { revert NotAuthorized(); } } // Prevent creating a distribution if the party has not started. if (_getSharedProposalStorage().governanceValues.totalVotingPower == 0) { revert PartyNotStartedError(); } // Get the address of the token distributor. ITokenDistributor distributor = ITokenDistributor( _GLOBALS.getAddress(LibGlobals.GLOBAL_TOKEN_DISTRIBUTOR) ); emit DistributionCreated(tokenType, token, tokenId); _emitMetadataUpdateEvent(); // Create a native token distribution. address payable feeRecipient_ = feeRecipient; uint16 feeBps_ = feeBps; if (tokenType == ITokenDistributor.TokenType.Native) { return distributor.createNativeDistribution{ value: amount }( Party(payable(address(this))), feeRecipient_, feeBps_ ); } // Otherwise must be an ERC20 token distribution. assert(tokenType == ITokenDistributor.TokenType.Erc20); IERC20(token).compatTransfer(address(distributor), amount); return distributor.createErc20Distribution( IERC20(token), Party(payable(address(this))), feeRecipient_, feeBps_ ); } /// @notice Make a proposal for members to vote on and cast a vote to accept it /// as well. /// @dev Only an active member (has voting power) can call this. /// Afterwards, members can vote to support it with `accept()` or a party /// host can unilaterally reject the proposal with `veto()`. /// @param proposal The details of the proposal. /// @param latestSnapIndex The index of the caller's most recent voting power /// snapshot before the proposal was created. Should /// be retrieved off-chain and passed in. function propose( Proposal memory proposal, uint256 latestSnapIndex ) external returns (uint256 proposalId) { _assertActiveMember(); proposalId = ++lastProposalId; ProposalStorage.GovernanceValues memory gv = _getSharedProposalStorage().governanceValues; // Store the time the proposal was created and the proposal hash. ( _proposalStateByProposalId[proposalId].values, _proposalStateByProposalId[proposalId].hash ) = ( ProposalStateValues({ proposedTime: uint40(block.timestamp), passedTime: 0, executedTime: 0, completedTime: 0, votes: 0, totalVotingPower: gv.totalVotingPower, numHosts: numHosts, numHostsAccepted: 0, voteDuration: gv.voteDuration, executionDelay: gv.executionDelay, passThresholdBps: gv.passThresholdBps }), getProposalHash(proposal) ); emit Proposed(proposalId, msg.sender, proposal); accept(proposalId, latestSnapIndex); _emitMetadataUpdateEvent(); } /// @notice Vote to support a proposed proposal. /// @dev The voting power cast will be the effective voting power of the caller /// just before `propose()` was called (see `getVotingPowerAt()`). /// If the proposal reaches `passThresholdBps` acceptance ratio then the /// proposal will be in the `Passed` state and will be executable after /// the `executionDelay` has passed, putting it in the `Ready` state. /// @param proposalId The ID of the proposal to accept. /// @param snapIndex The index of the caller's last voting power snapshot /// before the proposal was created. Should be retrieved /// off-chain and passed in. /// @return totalVotes The total votes cast on the proposal. function accept(uint256 proposalId, uint256 snapIndex) public returns (uint256 totalVotes) { // Get the information about the proposal. ProposalState storage info = _proposalStateByProposalId[proposalId]; ProposalStateValues memory values = info.values; // Can only vote in certain proposal statuses. { ProposalStatus status = _getProposalStatus(values); // Allow voting even if the proposal is passed/ready so it can // potentially reach 100% consensus, which unlocks special // behaviors for certain proposal types. if ( status != ProposalStatus.Voting && status != ProposalStatus.Passed && status != ProposalStatus.Ready ) { revert BadProposalStatusError(status); } } // Prevent voting in the same block as the last total voting power // change. This is to prevent an exploit where a member can, for // example, rage quit to reduce the total voting power of the party, // then propose and vote in the same block since `getVotingPowerAt()` // uses `values.proposedTime - 1`. This would allow them to use the // voting power snapshot just before their card was burned to vote, // potentially passing a proposal that would have otherwise not passed. if (lastTotalVotingPowerChangeTimestamp == block.timestamp) { revert CannotModifyTotalVotingPowerAndAcceptError(); } // Cannot vote twice. if (info.hasVoted[msg.sender]) { revert AlreadyVotedError(msg.sender); } // Mark the caller as having voted. info.hasVoted[msg.sender] = true; // Increase the total votes that have been cast on this proposal. uint96 votingPower = getVotingPowerAt(msg.sender, values.proposedTime - 1, snapIndex); values.votes += votingPower; if (isHost[msg.sender]) { ++values.numHostsAccepted; } info.values = values; emit ProposalAccepted(proposalId, msg.sender, votingPower); // Update the proposal status if it has reached the pass threshold. if ( values.passedTime == 0 && (uint256(values.votes) * 1e4) / uint256(values.totalVotingPower) >= uint256(values.passThresholdBps) ) { info.values.passedTime = uint40(block.timestamp); emit ProposalPassed(proposalId); _emitMetadataUpdateEvent(); } return values.votes; } /// @notice As a party host, veto a proposal, unilaterally rejecting it. /// @dev The proposal will never be executable and cannot be voted on anymore. /// A proposal that has been already executed at least once (in the `InProgress` status) /// cannot be vetoed. /// @param proposalId The ID of the proposal to veto. function veto(uint256 proposalId) external { _assertHost(); // Setting `votes` to -1 indicates a veto. ProposalState storage info = _proposalStateByProposalId[proposalId]; ProposalStateValues memory values = info.values; { ProposalStatus status = _getProposalStatus(values); // Proposal must be in one of the following states. if ( status != ProposalStatus.Voting && status != ProposalStatus.Passed && status != ProposalStatus.Ready ) { revert BadProposalStatusError(status); } } // -1 indicates veto. info.values.votes = VETO_VALUE; emit ProposalVetoed(proposalId, msg.sender); _emitMetadataUpdateEvent(); } /// @notice Executes a proposal that has passed governance. /// @dev The proposal must be in the `Ready` or `InProgress` status. /// A `ProposalExecuted` event will be emitted with a non-empty `nextProgressData` /// if the proposal has extra steps (must be executed again) to carry out, /// in which case `nextProgressData` should be passed into the next `execute()` call. /// The `ProposalExecutionEngine` enforces that only one `InProgress` proposal /// is active at a time, so that proposal must be completed or cancelled via `cancel()` /// in order to execute a different proposal. /// `extraData` is optional, off-chain data a proposal might need to execute a step. /// @param proposalId The ID of the proposal to execute. /// @param proposal The details of the proposal. /// @param preciousTokens The tokens that the party considers precious. /// @param preciousTokenIds The token IDs associated with each precious token. /// @param progressData The data returned from the last `execute()` call, if any. /// @param extraData Off-chain data a proposal might need to execute a step. function execute( uint256 proposalId, Proposal memory proposal, IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds, bytes calldata progressData, bytes calldata extraData ) external payable { _assertNotGloballyDisabled(); _assertActiveMember(); // Get information about the proposal. ProposalState storage proposalState = _proposalStateByProposalId[proposalId]; // Proposal details must remain the same from `propose()`. _validateProposalHash(proposal, proposalState.hash); ProposalStateValues memory values = proposalState.values; ProposalStatus status = _getProposalStatus(values); // The proposal must be executable or have already been executed but still // has more steps to go. if (status != ProposalStatus.Ready && status != ProposalStatus.InProgress) { revert BadProposalStatusError(status); } if (status == ProposalStatus.Ready) { // If the proposal has not been executed yet, make sure it hasn't // expired. Note that proposals that have been executed // (but still have more steps) ignore `maxExecutableTime`. if (proposal.maxExecutableTime < block.timestamp) { revert ExecutionTimeExceededError( proposal.maxExecutableTime, uint40(block.timestamp) ); } proposalState.values.executedTime = uint40(block.timestamp); } // Check that the precious list is valid. if (!_isPreciousListCorrect(preciousTokens, preciousTokenIds)) { revert BadPreciousListError(); } // Preemptively set the proposal to completed to avoid it being executed // again in a deeper call. proposalState.values.completedTime = uint40(block.timestamp); // Execute the proposal. bool completed = _executeProposal( proposalId, proposal, preciousTokens, preciousTokenIds, _getProposalFlags(values), progressData, extraData ); if (!completed) { // Proposal did not complete. proposalState.values.completedTime = 0; } } /// @notice Cancel a (probably stuck) InProgress proposal. /// @dev `proposal.cancelDelay` seconds must have passed since it was first /// executed for this to be valid. The currently active proposal will /// simply be yeeted out of existence so another proposal can execute. /// This is intended to be a last resort and can leave the party in a /// broken state. Whenever possible, active proposals should be /// allowed to complete their lifecycle. /// @param proposalId The ID of the proposal to cancel. /// @param proposal The details of the proposal to cancel. function cancel(uint256 proposalId, Proposal calldata proposal) external { _assertActiveMember(); // Get information about the proposal. ProposalState storage proposalState = _proposalStateByProposalId[proposalId]; // Proposal details must remain the same from `propose()`. _validateProposalHash(proposal, proposalState.hash); ProposalStateValues memory values = proposalState.values; { // Must be `InProgress`. ProposalStatus status = _getProposalStatus(values); if (status != ProposalStatus.InProgress) { revert BadProposalStatusError(status); } } { // Limit the `cancelDelay` to the global max and min cancel delay // to mitigate parties accidentally getting stuck forever by setting an // unrealistic `cancelDelay` or being reckless with too low a // cancel delay. uint256 cancelDelay = proposal.cancelDelay; uint256 globalMaxCancelDelay = _GLOBALS.getUint256( LibGlobals.GLOBAL_PROPOSAL_MAX_CANCEL_DURATION ); uint256 globalMinCancelDelay = _GLOBALS.getUint256( LibGlobals.GLOBAL_PROPOSAL_MIN_CANCEL_DURATION ); if (globalMaxCancelDelay != 0) { // Only if we have one set. if (cancelDelay > globalMaxCancelDelay) { cancelDelay = globalMaxCancelDelay; } } if (globalMinCancelDelay != 0) { // Only if we have one set. if (cancelDelay < globalMinCancelDelay) { cancelDelay = globalMinCancelDelay; } } uint256 cancelTime = values.executedTime + cancelDelay; // Must not be too early. if (block.timestamp < cancelTime) { revert ProposalCannotBeCancelledYetError( uint40(block.timestamp), uint40(cancelTime) ); } } // Mark the proposal as cancelled by setting the completed time to the current // time with the high bit set. proposalState.values.completedTime = uint40(block.timestamp | UINT40_HIGH_BIT); { // Delegatecall into the proposal engine impl to perform the cancel. (bool success, bytes memory resultData) = ( address(_getSharedProposalStorage().engineImpl) ).delegatecall(abi.encodeCall(IProposalExecutionEngine.cancelProposal, (proposalId))); if (!success) { resultData.rawRevert(); } } emit ProposalCancelled(proposalId); _emitMetadataUpdateEvent(); } /// @notice As the DAO, execute an arbitrary function call from this contract. /// @dev Emergency actions must not be revoked for this to work. /// @param targetAddress The contract to call. /// @param targetCallData The data to pass to the contract. /// @param amountEth The amount of ETH to send to the contract. function emergencyExecute( address targetAddress, bytes calldata targetCallData, uint256 amountEth ) external payable onlyPartyDao onlyWhenEmergencyExecuteAllowed { (bool success, bytes memory res) = targetAddress.call{ value: amountEth }(targetCallData); if (!success) { res.rawRevert(); } emit EmergencyExecute(targetAddress, targetCallData, amountEth); } /// @notice Revoke the DAO's ability to call emergencyExecute(). /// @dev Either the DAO or the party host can call this. function disableEmergencyExecute() external onlyPartyDaoOrHost { emergencyExecuteDisabled = true; emit EmergencyExecuteDisabled(); } function _executeProposal( uint256 proposalId, Proposal memory proposal, IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds, uint256 flags, bytes memory progressData, bytes memory extraData ) private returns (bool completed) { // Setup the arguments for the proposal execution engine. IProposalExecutionEngine.ExecuteProposalParams memory executeParams = IProposalExecutionEngine.ExecuteProposalParams({ proposalId: proposalId, proposalData: proposal.proposalData, progressData: progressData, extraData: extraData, preciousTokens: preciousTokens, preciousTokenIds: preciousTokenIds, flags: flags }); // Get the progress data returned after the proposal is executed. bytes memory nextProgressData; { // Execute the proposal. (bool success, bytes memory resultData) = address( _getSharedProposalStorage().engineImpl ).delegatecall( abi.encodeCall(IProposalExecutionEngine.executeProposal, (executeParams)) ); if (!success) { resultData.rawRevert(); } nextProgressData = abi.decode(resultData, (bytes)); } emit ProposalExecuted(proposalId, msg.sender, nextProgressData); _emitMetadataUpdateEvent(); // If the returned progress data is empty, then the proposal completed // and it should not be executed again. return nextProgressData.length == 0; } // Get the most recent voting power snapshot <= timestamp using `hintindex` as a "hint". function _getVotingPowerSnapshotAt( address voter, uint40 timestamp, uint256 hintIndex ) internal view returns (VotingPowerSnapshot memory snap) { VotingPowerSnapshot[] storage snaps = _votingPowerSnapshotsByVoter[voter]; uint256 snapsLength = snaps.length; if (snapsLength != 0) { if ( // Hint is within bounds. hintIndex < snapsLength && // Snapshot is not too recent. snaps[hintIndex].timestamp <= timestamp && // Snapshot is not too old. (hintIndex == snapsLength - 1 || snaps[hintIndex + 1].timestamp > timestamp) ) { return snaps[hintIndex]; } // Hint was wrong, fallback to binary search to find snapshot. hintIndex = findVotingPowerSnapshotIndex(voter, timestamp); // Check that snapshot was found. if (hintIndex != type(uint256).max) { return snaps[hintIndex]; } } // No snapshot found. return snap; } // Transfers some voting power of `from` to `to`. The total voting power of // their respective delegates will be updated as well. function _transferVotingPower(address from, address to, uint256 power) internal { int192 powerI192 = power.safeCastUint256ToInt192(); _adjustVotingPower(from, -powerI192, address(0)); _adjustVotingPower(to, powerI192, address(0)); } // Increase `voter`'s intrinsic voting power and update their delegate if delegate is nonzero. function _adjustVotingPower(address voter, int192 votingPower, address delegate) internal { VotingPowerSnapshot memory oldSnap = _getLastVotingPowerSnapshotForVoter(voter); address oldDelegate = delegationsByVoter[voter]; // If `oldDelegate` is zero and `voter` never delegated, then have // `voter` delegate to themself. oldDelegate = oldDelegate == address(0) ? voter : oldDelegate; // If the new `delegate` is zero, use the current (old) delegate. delegate = delegate == address(0) ? oldDelegate : delegate; VotingPowerSnapshot memory newSnap = VotingPowerSnapshot({ timestamp: uint40(block.timestamp), delegatedVotingPower: oldSnap.delegatedVotingPower, intrinsicVotingPower: (oldSnap.intrinsicVotingPower.safeCastUint96ToInt192() + votingPower).safeCastInt192ToUint96(), isDelegated: delegate != voter }); _insertVotingPowerSnapshot(voter, newSnap); delegationsByVoter[voter] = delegate; // This event is emitted even if the delegate did not change. emit PartyDelegateUpdated(voter, delegate); // Handle rebalancing delegates. _rebalanceDelegates(voter, oldDelegate, delegate, oldSnap, newSnap); } // Update the delegated voting power of the old and new delegates delegated to // by `voter` based on the snapshot change. function _rebalanceDelegates( address voter, address oldDelegate, address newDelegate, VotingPowerSnapshot memory oldSnap, VotingPowerSnapshot memory newSnap ) private { if (newDelegate == address(0) || oldDelegate == address(0)) { revert InvalidDelegateError(); } if (oldDelegate != voter && oldDelegate != newDelegate) { // Remove past voting power from old delegate. VotingPowerSnapshot memory oldDelegateSnap = _getLastVotingPowerSnapshotForVoter( oldDelegate ); VotingPowerSnapshot memory updatedOldDelegateSnap = VotingPowerSnapshot({ timestamp: uint40(block.timestamp), delegatedVotingPower: oldDelegateSnap.delegatedVotingPower - oldSnap.intrinsicVotingPower, intrinsicVotingPower: oldDelegateSnap.intrinsicVotingPower, isDelegated: oldDelegateSnap.isDelegated }); _insertVotingPowerSnapshot(oldDelegate, updatedOldDelegateSnap); } if (newDelegate != voter) { // Not delegating to self. // Add new voting power to new delegate. VotingPowerSnapshot memory newDelegateSnap = _getLastVotingPowerSnapshotForVoter( newDelegate ); uint96 newDelegateDelegatedVotingPower = newDelegateSnap.delegatedVotingPower + newSnap.intrinsicVotingPower; if (newDelegate == oldDelegate) { // If the old and new delegate are the same, subtract the old // intrinsic voting power of the voter, or else we will double // count a portion of it. newDelegateDelegatedVotingPower -= oldSnap.intrinsicVotingPower; } VotingPowerSnapshot memory updatedNewDelegateSnap = VotingPowerSnapshot({ timestamp: uint40(block.timestamp), delegatedVotingPower: newDelegateDelegatedVotingPower, intrinsicVotingPower: newDelegateSnap.intrinsicVotingPower, isDelegated: newDelegateSnap.isDelegated }); _insertVotingPowerSnapshot(newDelegate, updatedNewDelegateSnap); } } // Append a new voting power snapshot, overwriting the last one if possible. function _insertVotingPowerSnapshot(address voter, VotingPowerSnapshot memory snap) private { emit PartyVotingSnapshotCreated( voter, snap.timestamp, snap.delegatedVotingPower, snap.intrinsicVotingPower, snap.isDelegated ); VotingPowerSnapshot[] storage voterSnaps = _votingPowerSnapshotsByVoter[voter]; uint256 n = voterSnaps.length; // If same timestamp as last entry, overwrite the last snapshot, otherwise append. if (n != 0) { VotingPowerSnapshot memory lastSnap = voterSnaps[n - 1]; if (lastSnap.timestamp == snap.timestamp) { voterSnaps[n - 1] = snap; return; } } voterSnaps.push(snap); } function _getLastVotingPowerSnapshotForVoter( address voter ) private view returns (VotingPowerSnapshot memory snap) { VotingPowerSnapshot[] storage voterSnaps = _votingPowerSnapshotsByVoter[voter]; uint256 n = voterSnaps.length; if (n != 0) { snap = voterSnaps[n - 1]; } } function _getProposalFlags(ProposalStateValues memory pv) private pure returns (uint256) { uint256 flags = 0; if (_isUnanimousVotes(pv.votes, pv.totalVotingPower)) { flags = flags | LibProposal.PROPOSAL_FLAG_UNANIMOUS; } if (_hostsAccepted(pv.numHosts, pv.numHostsAccepted)) { flags = flags | LibProposal.PROPOSAL_FLAG_HOSTS_ACCEPT; } return flags; } function _getProposalStatus( ProposalStateValues memory pv ) private view returns (ProposalStatus status) { // Never proposed. if (pv.proposedTime == 0) { return ProposalStatus.Invalid; } // Executed at least once. if (pv.executedTime != 0) { if (pv.completedTime == 0) { return ProposalStatus.InProgress; } // completedTime high bit will be set if cancelled. if (pv.completedTime & UINT40_HIGH_BIT == UINT40_HIGH_BIT) { return ProposalStatus.Cancelled; } return ProposalStatus.Complete; } // Vetoed. if (pv.votes == type(uint96).max) { return ProposalStatus.Defeated; } uint40 t = uint40(block.timestamp); if (pv.passedTime != 0) { // Ready. if (pv.passedTime + pv.executionDelay <= t) { return ProposalStatus.Ready; } // If unanimous, we skip the execution delay. if (_isUnanimousVotes(pv.votes, pv.totalVotingPower)) { return ProposalStatus.Ready; } // If all hosts voted, skip execution delay if (_hostsAccepted(pv.numHosts, pv.numHostsAccepted)) { return ProposalStatus.Ready; } // Passed. return ProposalStatus.Passed; } // Voting window expired. if (pv.proposedTime + pv.voteDuration <= t) { return ProposalStatus.Defeated; } return ProposalStatus.Voting; } function _isUnanimousVotes( uint96 totalVotes, uint96 totalVotingPower ) private pure returns (bool) { uint256 acceptanceRatio = (uint256(totalVotes) * 1e4) / totalVotingPower; // If >= 99.99% acceptance, consider it unanimous. // The minting formula for voting power is a bit lossy, so we check // for slightly less than 100%. return acceptanceRatio >= 0.9999e4; } function _hostsAccepted( uint8 snapshotNumHosts, uint8 numHostsAccepted ) private pure returns (bool) { return snapshotNumHosts > 0 && snapshotNumHosts == numHostsAccepted; } function _areVotesPassing( uint96 voteCount, uint96 totalVotingPower, uint16 passThresholdBps ) private pure returns (bool) { return (uint256(voteCount) * 1e4) / uint256(totalVotingPower) >= uint256(passThresholdBps); } function _setPreciousList( IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds ) private { if (preciousTokens.length != preciousTokenIds.length) { revert MismatchedPreciousListLengths(); } preciousListHash = _hashPreciousList(preciousTokens, preciousTokenIds); } function _isPreciousListCorrect( IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds ) private view returns (bool) { return preciousListHash == _hashPreciousList(preciousTokens, preciousTokenIds); } function _hashPreciousList( IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds ) internal pure returns (bytes32 h) { assembly { mstore(0x00, keccak256(add(preciousTokens, 0x20), mul(mload(preciousTokens), 0x20))) mstore(0x20, keccak256(add(preciousTokenIds, 0x20), mul(mload(preciousTokenIds), 0x20))) h := keccak256(0x00, 0x40) } } function _emitMetadataUpdateEvent() internal { emit BatchMetadataUpdate(0, type(uint256).max); } // Assert that the hash of a proposal matches expectedHash. function _validateProposalHash(Proposal memory proposal, bytes32 expectedHash) private pure { bytes32 actualHash = getProposalHash(proposal); if (expectedHash != actualHash) { revert BadProposalHashError(actualHash, expectedHash); } } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8; import "./IERC721Receiver.sol"; import "../utils/EIP165.sol"; import "../vendor/solmate/ERC721.sol"; /// @notice Mixin for contracts that want to receive ERC721 tokens. /// @dev Use this instead of solmate's ERC721TokenReceiver because the /// compiler has issues when overriding EIP165/IERC721Receiver functions. abstract contract ERC721Receiver is IERC721Receiver, EIP165, ERC721TokenReceiver { /// @inheritdoc IERC721Receiver function onERC721Received( address, address, uint256, bytes memory ) public virtual override(IERC721Receiver, ERC721TokenReceiver) returns (bytes4) { return IERC721Receiver.onERC721Received.selector; } /// @inheritdoc EIP165 function supportsInterface(bytes4 interfaceId) public pure virtual override returns (bool) { return EIP165.supportsInterface(interfaceId) || interfaceId == type(IERC721Receiver).interfaceId; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import { Party } from "../party/Party.sol"; import { IERC721 } from "../tokens/IERC721.sol"; import { MetadataProvider } from "../renderers/MetadataProvider.sol"; // Creates generic Party instances. interface IPartyFactory { event PartyCreated( Party indexed party, Party.PartyOptions opts, IERC721[] preciousTokens, uint256[] preciousTokenIds, address creator ); /// @notice Deploy a new party instance. /// @param partyImpl The implementation of the party to deploy. /// @param authorities The addresses set as authorities for the party. /// @param opts Options used to initialize the party. These are fixed /// and cannot be changed later. /// @param preciousTokens The tokens that are considered precious by the /// party.These are protected assets and are subject /// to extra restrictions in proposals vs other /// assets. /// @param preciousTokenIds The IDs associated with each token in `preciousTokens`. /// @param rageQuitTimestamp The timestamp until which ragequit is enabled. /// @return party The newly created `Party` instance. function createParty( Party partyImpl, address[] memory authorities, Party.PartyOptions calldata opts, IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds, uint40 rageQuitTimestamp ) external returns (Party party); /// @notice Deploy a new party instance with custom metadata. /// @param partyImpl The implementation of the party to deploy. /// @param authorities The addresses set as authorities for the party. /// @param opts Options used to initialize the party. /// @param preciousTokens The tokens that are considered precious by the /// party.These are protected assets and are subject /// to extra restrictions in proposals vs other /// assets. /// @param preciousTokenIds The IDs associated with each token in `preciousTokens`. /// @param rageQuitTimestamp The timestamp until which ragequit is enabled. /// @param provider The metadata provider to use for the party. /// @param metadata The metadata to use for the party. /// @return party The newly created `Party` instance. function createPartyWithMetadata( Party partyImpl, address[] memory authorities, Party.PartyOptions memory opts, IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds, uint40 rageQuitTimestamp, MetadataProvider provider, bytes memory metadata ) external returns (Party party); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "solmate/utils/SSTORE2.sol"; import "../utils/Multicall.sol"; contract RendererStorage is Multicall { error AlreadySetError(); error NotOwnerError(address caller, address owner); event OwnershipTransferred(address previousOwner, address newOwner); uint256 constant CROWDFUND_CARD_DATA = 0; uint256 constant PARTY_CARD_DATA = 1; /// @notice Address allowed to store new data. address public owner; /// @notice Customization presets by ID, used for rendering cards. Begins at /// 1, 0 is reserved to indicate in `getPresetFor()` that a /// party instance use the preset set by the crowdfund instance that /// created it. mapping(uint256 => bytes) public customizationPresets; /// @notice Customization preset used by a crowdfund or party instance. mapping(address => uint256) public getPresetFor; /// @notice Addresses where URI data chunks are stored. mapping(uint256 => address) public files; modifier onlyOwner() { address owner_ = owner; if (msg.sender != owner_) { revert NotOwnerError(msg.sender, owner_); } _; } constructor(address _owner) { // Set the address allowed to write new data. owner = _owner; // Write URI data used by V1 of the renderers: files[CROWDFUND_CARD_DATA] = SSTORE2.write( bytes( '<path class="o" d="M118.4 419.5h5.82v1.73h-4.02v1.87h3.74v1.73h-3.74v1.94h4.11v1.73h-5.91v-9Zm9.93 1.76h-2.6v-1.76h7.06v1.76h-2.61v7.24h-1.85v-7.24Zm6.06-1.76h1.84v3.55h3.93v-3.55H142v9h-1.84v-3.67h-3.93v3.67h-1.84v-9Z"/><path class="o" d="M145 413a4 4 0 0 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70.1 0 0 0-2.74 12.52 55.65 55.65 0 0 1-6.19-8.84 69.17 69.17 0 0 1 2.65-12.1c1.77-5.31 3.35-5.91 5.86-2.23v-.05c2.14 3.07 1.81 6.14.42 10.7ZM61.69 72.2l-.05.05a221.85 221.85 0 0 1-7.77-18.1l.14-.14a194.51 194.51 0 0 1 18.56 6.98 144.44 144.44 0 0 0-10.88 11.22Zm54.84-47.38c-4.42.7-9.02 1.95-13.67 3.72a65.03 65.03 0 0 0-7.81-5.31 66.04 66.04 0 0 1 13.02-3.54c1.53-.19 6.23-.79 10.32 2.42v-.05c2.47 1.91.14 2.37-1.86 2.75Z" style="fill:url(#h)"/>' ) ); } /// @notice Transfer ownership to a new owner. /// @param newOwner The address to transfer ownership to. function transferOwnership(address newOwner) external onlyOwner { emit OwnershipTransferred(owner, newOwner); owner = newOwner; } /// @notice Write data to be accessed by a given file key. /// @param key The key to access the written data. /// @param data The data to be written. function writeFile(uint256 key, string memory data) external onlyOwner { files[key] = SSTORE2.write(bytes(data)); } /// @notice Read data using a given file key. /// @param key The key to access the stored data. /// @return data The data stored at the given key. function readFile(uint256 key) external view returns (string memory data) { return string(SSTORE2.read(files[key])); } /// @notice Create or set a customization preset for renderers to use. /// @param id The ID of the customization preset. /// @param customizationData Data decoded by renderers used to render the SVG according to the preset. function createCustomizationPreset( uint256 id, bytes memory customizationData ) external onlyOwner { customizationPresets[id] = customizationData; } /// @notice For crowdfund or party instances to set the customization preset they want to use. /// @param id The ID of the customization preset. function useCustomizationPreset(uint256 id) external { getPresetFor[msg.sender] = id; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../tokens/IERC721.sol"; import "../utils/ReadOnlyDelegateCall.sol"; import "../utils/EIP165.sol"; import "../utils/IERC4906.sol"; import "../globals/IGlobals.sol"; import "../globals/LibGlobals.sol"; import "../renderers/RendererStorage.sol"; /// @notice NFT functionality for crowdfund types. This NFT is soulbound and read-only. abstract contract CrowdfundNFT is IERC721, IERC4906, EIP165, ReadOnlyDelegateCall { error AlreadyMintedError(address owner, uint256 tokenId); error AlreadyBurnedError(address owner, uint256 tokenId); error InvalidTokenError(uint256 tokenId); error InvalidAddressError(); // The `Globals` contract storing global configuration values. This contract // is immutable and it’s address will never change. IGlobals private immutable _GLOBALS; /// @notice The name of the crowdfund. This will also carry over to the /// governance party. string public name; /// @notice The token symbol for the crowdfund. This will also carry over to /// the governance party. string public symbol; mapping(uint256 => address) private _owners; modifier alwaysRevert() { revert("ALWAYS FAILING"); _; // Compiler requires this. } // Set the `Globals` contract. constructor(IGlobals globals) { _GLOBALS = globals; } // Initialize name and symbol for crowdfund. function _initialize( string memory name_, string memory symbol_, uint256 customizationPresetId ) internal virtual { name = name_; symbol = symbol_; if (customizationPresetId != 0) { RendererStorage(_GLOBALS.getAddress(LibGlobals.GLOBAL_RENDERER_STORAGE)) .useCustomizationPreset(customizationPresetId); } } /// @notice DO NOT CALL. This is a soulbound NFT and cannot be transferred. /// Attempting to call this function will always fail. function transferFrom(address, address, uint256) external pure alwaysRevert {} /// @notice DO NOT CALL. This is a soulbound NFT and cannot be transferred. /// Attempting to call this function will always fail. function safeTransferFrom(address, address, uint256) external pure alwaysRevert {} /// @notice DO NOT CALL. This is a soulbound NFT and cannot be transferred. /// Attempting to call this function will always fail. function safeTransferFrom( address, address, uint256, bytes calldata ) external pure alwaysRevert {} /// @notice DO NOT CALL. This is a soulbound NFT and cannot be transferred. /// Attempting to call this function will always fail. function approve(address, uint256) external pure alwaysRevert {} /// @notice DO NOT CALL. This is a soulbound NFT and cannot be transferred. /// Attempting to call this function will always fail. function setApprovalForAll(address, bool) external pure alwaysRevert {} /// @notice This is a soulbound NFT and cannot be transferred. /// Attempting to call this function will always return null. function getApproved(uint256) external pure returns (address) { return address(0); } /// @notice This is a soulbound NFT and cannot be transferred. /// Attempting to call this function will always return false. function isApprovedForAll(address, address) external pure returns (bool) { return false; } /// @inheritdoc EIP165 function supportsInterface(bytes4 interfaceId) public pure virtual override returns (bool) { return super.supportsInterface(interfaceId) || // ERC721 interface ID interfaceId == 0x80ac58cd; } /// @notice Returns a URI to render the NFT. function tokenURI(uint256) external view returns (string memory) { return _delegateToRenderer(); } /// @notice Returns a URI for the storefront-level metadata for your contract. function contractURI() external view returns (string memory) { return _delegateToRenderer(); } /// @inheritdoc IERC721 function ownerOf(uint256 tokenId) external view returns (address owner) { owner = _owners[tokenId]; if (owner == address(0)) { revert InvalidTokenError(tokenId); } } /// @inheritdoc IERC721 function balanceOf(address owner) external view returns (uint256 numTokens) { return _doesTokenExistFor(owner) ? 1 : 0; } function _doesTokenExistFor(address owner) internal view returns (bool) { return _owners[uint256(uint160(owner))] != address(0); } function _mint(address owner) internal returns (uint256 tokenId) { if (owner == address(0)) revert InvalidAddressError(); tokenId = uint256(uint160(owner)); if (_owners[tokenId] != owner) { _owners[tokenId] = owner; emit Transfer(address(0), owner, tokenId); } else { revert AlreadyMintedError(owner, tokenId); } } function _burn(address owner) internal { uint256 tokenId = uint256(uint160(owner)); if (_owners[tokenId] == owner) { _owners[tokenId] = address(0); emit Transfer(owner, address(0), tokenId); return; } revert AlreadyBurnedError(owner, tokenId); } function _delegateToRenderer() private view returns (string memory) { _readOnlyDelegateCall( // Instance of IERC721Renderer. _GLOBALS.getAddress(LibGlobals.GLOBAL_CF_NFT_RENDER_IMPL), msg.data ); assert(false); // Will not be reached. return ""; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../utils/LibRawResult.sol"; abstract contract Multicall { using LibRawResult for bytes; /// @notice Perform multiple delegatecalls on ourselves. function multicall(bytes[] calldata multicallData) external { for (uint256 i; i < multicallData.length; ++i) { (bool s, bytes memory r) = address(this).delegatecall(multicallData[i]); if (!s) { r.rawRevert(); } } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import { IGlobals } from "../globals/IGlobals.sol"; import { LibGlobals } from "../globals/LibGlobals.sol"; import { IMetadataProvider } from "./IMetadataProvider.sol"; import { Multicall } from "../utils/Multicall.sol"; /// @notice A registry of custom metadata providers for Party Cards. contract MetadataRegistry is Multicall { event ProviderSet(address indexed instance, IMetadataProvider indexed provider); event RegistrarSet(address indexed registrar, address indexed instance, bool canSetData); error NotAuthorized(address caller, address instance); // The `Globals` contract storing global configuration values. This contract // is immutable and it’s address will never change. IGlobals private immutable _GLOBALS; /// @notice Get the metadata provider for a Party instance. mapping(address instance => IMetadataProvider provider) public getProvider; /// @notice Whether or not an address is a registar that can set the /// provider and metadata for another instance. If registrar is set /// true for `address(1)`, the address is a universal registar and /// can set data for any instance. /// @dev Registrars' ability to set metadata for another instance must also be /// supported by the metadata provider used by that instance, indicated by /// `IMetadataProvider.supportsRegistrars()`. mapping(address registrar => mapping(address instance => bool canSetData)) private _isRegistrar; /// @param globals The address of the `Globals` contract. /// @param registrars The addresses of the initial universal registrars. constructor(IGlobals globals, address[] memory registrars) { _GLOBALS = globals; // Set the initial universal registrars. for (uint256 i = 0; i < registrars.length; i++) { _isRegistrar[registrars[i]][address(1)] = true; } } /// @notice Set the metadata provider for a Party instance. /// @param instance The address of the instance. /// @param provider The address of the metadata provider. function setProvider(address instance, IMetadataProvider provider) external { // Check if the caller is authorized to set the provider for the instance. if (!isRegistrar(msg.sender, instance)) revert NotAuthorized(msg.sender, instance); getProvider[instance] = provider; emit ProviderSet(instance, provider); } /// @notice Set whether or not an address can set metadata for a Party instance. /// @param registrar The address of the possible registrar. /// @param instance The address of the instance the registrar can set /// metadata for. /// @param canSetData Whether or not the address can set data for the instance. function setRegistrar(address registrar, address instance, bool canSetData) external { if ( msg.sender != instance && msg.sender != _GLOBALS.getAddress(LibGlobals.GLOBAL_DAO_WALLET) ) { revert NotAuthorized(msg.sender, instance); } _isRegistrar[registrar][instance] = canSetData; emit RegistrarSet(registrar, instance, canSetData); } /// @notice Get whether or not an address can set metadata for a Party instance. /// @param registrar The address of the possible registrar. /// @param instance The address of the instance the registrar can set /// metadata for. /// @return canSetData Whether or not the address can set data for the instance. function isRegistrar(address registrar, address instance) public view returns (bool) { return registrar == instance || _isRegistrar[registrar][address(1)] || _isRegistrar[registrar][instance]; } /// @notice Get the metadata for a Party instance. /// @param instance The address of the instance. /// @param tokenId The ID of the token to get the metadata for. /// @return metadata The encoded metadata. function getMetadata(address instance, uint256 tokenId) external view returns (bytes memory) { IMetadataProvider provider = getProvider[instance]; return address(provider) != address(0) ? provider.getMetadata(instance, tokenId) : bytes(""); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8; interface IMetadataProvider { /// @notice Whether or not the metadata provider supports registrars that can /// set metadata for other instances. /// @dev See `MetadataRegistry` for more information on the registrar role. function supportsRegistrars() external view returns (bool); /// @notice Get the metadata for a Party instance. /// @param instance The address of the instance. /// @param tokenId The ID of the token to get the metadata for. /// @return metadata The encoded metadata. function getMetadata( address instance, uint256 tokenId ) external view returns (bytes memory metadata); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; // Valid keys in `IGlobals`. Append-only. library LibGlobals { // The Globals commented out below were depreciated in 1.2; factories // can now choose the implementation address to deploy and no longer // deploy the latest implementation. They will no longer be updated // in future releases. // // See https://github.com/PartyDAO/party-migrations for // implementation addresses by release. uint256 internal constant GLOBAL_PARTY_IMPL = 1; uint256 internal constant GLOBAL_PROPOSAL_ENGINE_IMPL = 2; uint256 internal constant GLOBAL_PARTY_FACTORY = 3; uint256 internal constant GLOBAL_GOVERNANCE_NFT_RENDER_IMPL = 4; uint256 internal constant GLOBAL_CF_NFT_RENDER_IMPL = 5; uint256 internal constant GLOBAL_OS_ZORA_AUCTION_TIMEOUT = 6; uint256 internal constant GLOBAL_OS_ZORA_AUCTION_DURATION = 7; // uint256 internal constant GLOBAL_AUCTION_CF_IMPL = 8; // uint256 internal constant GLOBAL_BUY_CF_IMPL = 9; // uint256 internal constant GLOBAL_COLLECTION_BUY_CF_IMPL = 10; uint256 internal constant GLOBAL_DAO_WALLET = 11; uint256 internal constant GLOBAL_TOKEN_DISTRIBUTOR = 12; uint256 internal constant GLOBAL_OPENSEA_CONDUIT_KEY = 13; uint256 internal constant GLOBAL_OPENSEA_ZONE = 14; uint256 internal constant GLOBAL_PROPOSAL_MAX_CANCEL_DURATION = 15; uint256 internal constant GLOBAL_ZORA_MIN_AUCTION_DURATION = 16; uint256 internal constant GLOBAL_ZORA_MAX_AUCTION_DURATION = 17; uint256 internal constant GLOBAL_ZORA_MAX_AUCTION_TIMEOUT = 18; uint256 internal constant GLOBAL_OS_MIN_ORDER_DURATION = 19; uint256 internal constant GLOBAL_OS_MAX_ORDER_DURATION = 20; uint256 internal constant GLOBAL_DISABLE_PARTY_ACTIONS = 21; uint256 internal constant GLOBAL_RENDERER_STORAGE = 22; uint256 internal constant GLOBAL_PROPOSAL_MIN_CANCEL_DURATION = 23; // uint256 internal constant GLOBAL_ROLLING_AUCTION_CF_IMPL = 24; // uint256 internal constant GLOBAL_COLLECTION_BATCH_BUY_CF_IMPL = 25; uint256 internal constant GLOBAL_METADATA_REGISTRY = 26; // uint256 internal constant GLOBAL_CROWDFUND_FACTORY = 27; // uint256 internal constant GLOBAL_INITIAL_ETH_CF_IMPL = 28; // uint256 internal constant GLOBAL_RERAISE_ETH_CF_IMPL = 29; uint256 internal constant GLOBAL_SEAPORT = 30; uint256 internal constant GLOBAL_CONDUIT_CONTROLLER = 31; uint256 internal constant GLOBAL_OFF_CHAIN_SIGNATURE_VALIDATOR = 32; }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; // Base contract for all contracts intended to be delegatecalled into. abstract contract Implementation { event Initialized(); error AlreadyInitialized(); error OnlyDelegateCallError(); /// @notice The address of the implementation contract. address public immutable implementation; /// @notice Whether or not the implementation has been initialized. bool public initialized; constructor() { implementation = address(this); } // Reverts if the current function context is not inside of a delegatecall. modifier onlyDelegateCall() virtual { if (address(this) == implementation) { revert OnlyDelegateCallError(); } _; } modifier onlyInitialize() { if (initialized) revert AlreadyInitialized(); initialized = true; emit Initialized(); _; } /// @notice The address of the implementation contract. /// @dev This is an alias for `implementation` for backwards compatibility. function IMPL() external view returns (address) { return implementation; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC2981.sol) pragma solidity ^0.8.19; 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: AGPL-3.0-only pragma solidity >=0.8.0; import "../../tokens/IERC721.sol"; import "../../utils/EIP165.sol"; /// @notice Modern, minimalist, and gas efficient ERC-721 implementation. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC721.sol) /// @dev Modified from Solmate abstract contract ERC721 is IERC721, EIP165 { error NotMinted(); error ZeroAddress(); error UnsafeRecipient(); error Unauthorized(); /*////////////////////////////////////////////////////////////// METADATA STORAGE/LOGIC //////////////////////////////////////////////////////////////*/ string public name; string public symbol; function tokenURI(uint256 id /* view */) public virtual returns (string memory); /*////////////////////////////////////////////////////////////// ERC721 BALANCE/OWNER STORAGE //////////////////////////////////////////////////////////////*/ mapping(uint256 => address) internal _ownerOf; mapping(address => uint256) internal _balanceOf; function ownerOf(uint256 id) public view virtual returns (address owner) { owner = _ownerOf[id]; if (owner == address(0)) { revert NotMinted(); } } function balanceOf(address owner) public view virtual returns (uint256) { if (owner == address(0)) { revert ZeroAddress(); } return _balanceOf[owner]; } /*////////////////////////////////////////////////////////////// ERC721 APPROVAL STORAGE //////////////////////////////////////////////////////////////*/ mapping(uint256 => address) public getApproved; mapping(address => mapping(address => bool)) public isApprovedForAll; /*////////////////////////////////////////////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////*/ constructor(string memory _name, string memory _symbol) { name = _name; symbol = _symbol; } /*////////////////////////////////////////////////////////////// ERC721 LOGIC //////////////////////////////////////////////////////////////*/ function approve(address spender, uint256 id) public virtual { address owner = _ownerOf[id]; if (msg.sender != owner && !isApprovedForAll[owner][msg.sender]) { revert Unauthorized(); } getApproved[id] = spender; emit Approval(owner, spender, id); } function setApprovalForAll(address operator, bool approved) public virtual { isApprovedForAll[msg.sender][operator] = approved; emit ApprovalForAll(msg.sender, operator, approved); } function transferFrom(address from, address to, uint256 id) public virtual { if (from != _ownerOf[id]) { revert Unauthorized(); } if (to == address(0)) { revert ZeroAddress(); } if ( msg.sender != from && !isApprovedForAll[from][msg.sender] && msg.sender != getApproved[id] ) { revert Unauthorized(); } // Underflow of the sender's balance is impossible because we check for // ownership above and the recipient's balance can't realistically overflow. unchecked { _balanceOf[from]--; _balanceOf[to]++; } _ownerOf[id] = to; delete getApproved[id]; emit Transfer(from, to, id); } function safeTransferFrom(address from, address to, uint256 id) public virtual { transferFrom(from, to, id); if ( to.code.length != 0 && ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, "") != ERC721TokenReceiver.onERC721Received.selector ) { revert UnsafeRecipient(); } } function safeTransferFrom( address from, address to, uint256 id, bytes calldata data ) public virtual { transferFrom(from, to, id); if ( to.code.length != 0 && ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, data) != ERC721TokenReceiver.onERC721Received.selector ) { revert UnsafeRecipient(); } } /*////////////////////////////////////////////////////////////// ERC165 LOGIC //////////////////////////////////////////////////////////////*/ function supportsInterface(bytes4 interfaceId) public pure virtual override returns (bool) { // NOTE: modified from original to call super. return super.supportsInterface(interfaceId) || interfaceId == 0x80ac58cd || // ERC165 Interface ID for ERC721 interfaceId == 0x5b5e139f; // ERC165 Interface ID for ERC721Metadata } /*////////////////////////////////////////////////////////////// INTERNAL MINT/BURN LOGIC //////////////////////////////////////////////////////////////*/ function _mint(address to, uint256 id) internal virtual { if (to == address(0)) { revert ZeroAddress(); } if (_ownerOf[id] != address(0)) { revert Unauthorized(); } // Counter overflow is incredibly unrealistic. unchecked { _balanceOf[to]++; } _ownerOf[id] = to; emit Transfer(address(0), to, id); } function _burn(uint256 id) internal virtual { address owner = _ownerOf[id]; if (owner == address(0)) { revert Unauthorized(); } // Ownership check above ensures no underflow. unchecked { _balanceOf[owner]--; } delete _ownerOf[id]; delete getApproved[id]; emit Transfer(owner, address(0), id); } /*////////////////////////////////////////////////////////////// INTERNAL SAFE MINT LOGIC //////////////////////////////////////////////////////////////*/ function _safeMint(address to, uint256 id) internal virtual { _mint(to, id); if ( to.code.length != 0 && ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, "") != ERC721TokenReceiver.onERC721Received.selector ) { revert UnsafeRecipient(); } } function _safeMint(address to, uint256 id, bytes memory data) internal virtual { _mint(to, id); if ( to.code.length != 0 && ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, data) != ERC721TokenReceiver.onERC721Received.selector ) { revert UnsafeRecipient(); } } } /// @notice A generic interface for a contract which properly accepts ERC721 tokens. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC721.sol) abstract contract ERC721TokenReceiver { function onERC721Received( address, address, uint256, bytes calldata ) external virtual returns (bytes4) { return ERC721TokenReceiver.onERC721Received.selector; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../tokens/IERC20.sol"; import "../party/Party.sol"; /// @notice Creates token distributions for parties. interface ITokenDistributor { enum TokenType { Native, Erc20 } // Info on a distribution, created by createDistribution(). struct DistributionInfo { // Type of distribution/token. TokenType tokenType; // ID of the distribution. Assigned by createDistribution(). uint256 distributionId; // The party whose members can claim the distribution. Party party; // Who can claim `fee`. address payable feeRecipient; // The token being distributed. address token; // Total amount of `token` that can be claimed by party members. uint128 memberSupply; // Amount of `token` to be redeemed by `feeRecipient`. uint128 fee; // Total shares at time distribution was created. uint96 totalShares; } event DistributionCreated(Party indexed party, DistributionInfo info); event DistributionFeeClaimed( Party indexed party, address indexed feeRecipient, TokenType tokenType, address token, uint256 amount ); event DistributionClaimedByPartyToken( Party indexed party, uint256 indexed partyTokenId, address indexed owner, TokenType tokenType, address token, uint256 amountClaimed ); /// @notice Create a new distribution for an outstanding native token balance /// governed by a party. /// @dev Native tokens should be transferred directly into this contract /// immediately prior (same tx) to calling `createDistribution()` or /// attached to the call itself. /// @param party The party whose members can claim the distribution. /// @param feeRecipient Who can claim `fee`. /// @param feeBps Percentage (in bps) of the distribution `feeRecipient` receives. /// @return info Information on the created distribution. function createNativeDistribution( Party party, address payable feeRecipient, uint16 feeBps ) external payable returns (DistributionInfo memory info); /// @notice Create a new distribution for an outstanding ERC20 token balance /// governed by a party. /// @dev ERC20 tokens should be transferred directly into this contract /// immediately prior (same tx) to calling `createDistribution()` or /// attached to the call itself. /// @param token The ERC20 token to distribute. /// @param party The party whose members can claim the distribution. /// @param feeRecipient Who can claim `fee`. /// @param feeBps Percentage (in bps) of the distribution `feeRecipient` receives. /// @return info Information on the created distribution. function createErc20Distribution( IERC20 token, Party party, address payable feeRecipient, uint16 feeBps ) external returns (DistributionInfo memory info); /// @notice Claim a portion of a distribution owed to a `partyTokenId` belonging /// to the party that created the distribution. The caller /// must own this token. /// @param info Information on the distribution being claimed. /// @param partyTokenId The ID of the party token to claim for. /// @return amountClaimed The amount of the distribution claimed. function claim( DistributionInfo calldata info, uint256 partyTokenId ) external returns (uint128 amountClaimed); /// @notice Claim the fee for a distribution. Only a distribution's `feeRecipient` /// can call this. /// @param info Information on the distribution being claimed. /// @param recipient The address to send the fee to. function claimFee(DistributionInfo calldata info, address payable recipient) external; /// @notice Batch version of `claim()`. /// @param infos Information on the distributions being claimed. /// @param partyTokenIds The ID of the party tokens to claim for. /// @return amountsClaimed The amount of the distributions claimed. function batchClaim( DistributionInfo[] calldata infos, uint256[] calldata partyTokenIds ) external returns (uint128[] memory amountsClaimed); /// @notice Batch version of `claimFee()`. /// @param infos Information on the distributions to claim fees for. /// @param recipients The addresses to send the fees to. function batchClaimFee( DistributionInfo[] calldata infos, address payable[] calldata recipients ) external; /// @notice Compute the amount of a distribution's token are owed to a party /// member, identified by the `partyTokenId`. /// @param info Information on the distribution being claimed. /// @param partyTokenId The ID of the party token to claim for. /// @return claimAmount The amount of the distribution owed to the party member. function getClaimAmount( DistributionInfo calldata info, uint256 partyTokenId ) external view returns (uint128); /// @notice Check whether the fee has been claimed for a distribution. /// @param party The party to use for checking whether the fee has been claimed. /// @param distributionId The ID of the distribution to check. /// @return feeClaimed Whether the fee has been claimed. function wasFeeClaimed(Party party, uint256 distributionId) external view returns (bool); /// @notice Check whether a `partyTokenId` has claimed their share of a distribution. /// @param party The party to use for checking whether the `partyTokenId` has claimed. /// @param partyTokenId The ID of the party token to check. /// @param distributionId The ID of the distribution to check. /// @return hasClaimed Whether the `partyTokenId` has claimed. function hasPartyTokenIdClaimed( Party party, uint256 partyTokenId, uint256 distributionId ) external view returns (bool); /// @notice Get how much unclaimed member tokens are left in a distribution. /// @param party The party to use for checking the unclaimed member tokens. /// @param distributionId The ID of the distribution to check. /// @return remainingMemberSupply The amount of distribution supply remaining. function getRemainingMemberSupply( Party party, uint256 distributionId ) external view returns (uint128); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "./LibRawResult.sol"; interface IReadOnlyDelegateCall { // Marked `view` so that `_readOnlyDelegateCall` can be `view` as well. function delegateCallAndRevert(address impl, bytes memory callData) external view; } // Inherited by contracts to perform read-only delegate calls. abstract contract ReadOnlyDelegateCall { using LibRawResult for bytes; // Delegatecall into implement and revert with the raw result. function delegateCallAndRevert(address impl, bytes memory callData) external { // Attempt to gate to only `_readOnlyDelegateCall()` invocations. require(msg.sender == address(this)); (bool s, bytes memory r) = impl.delegatecall(callData); // Revert with success status and return data. abi.encode(s, r).rawRevert(); } // Perform a `delegateCallAndRevert()` then return the raw result data. function _readOnlyDelegateCall(address impl, bytes memory callData) internal view { try IReadOnlyDelegateCall(address(this)).delegateCallAndRevert(impl, callData) { // Should never happen. assert(false); } catch (bytes memory r) { (bool success, bytes memory resultData) = abi.decode(r, (bool, bytes)); if (!success) { resultData.rawRevert(); } resultData.rawReturn(); } } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8; // Minimal ERC20 interface. interface IERC20 { event Transfer(address indexed owner, address indexed to, uint256 amount); event Approval(address indexed owner, address indexed spender, uint256 allowance); function transfer(address to, uint256 amount) external returns (bool); function transferFrom(address from, address to, uint256 amount) external returns (bool); function approve(address spender, uint256 allowance) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function balanceOf(address owner) external view returns (uint256); }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8; interface IERC721Receiver { function onERC721Received( address operator, address from, uint256 tokenId, bytes memory data ) external returns (bytes4); }
// SPDX-License-Identifier: AGPL-3.0-only // Only modified to inherit IERC1155 and rename ERC1155TokenReceiver -> ERC1155TokenReceiverBase. pragma solidity ^0.8; import "../../tokens/IERC1155.sol"; /// @notice Minimalist and gas efficient standard ERC1155 implementation. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC1155.sol) abstract contract ERC1155 is IERC1155 { /*////////////////////////////////////////////////////////////// EVENTS //////////////////////////////////////////////////////////////*/ event URI(string value, uint256 indexed id); /*////////////////////////////////////////////////////////////// ERC1155 STORAGE //////////////////////////////////////////////////////////////*/ mapping(address => mapping(uint256 => uint256)) public balanceOf; mapping(address => mapping(address => bool)) public isApprovedForAll; /*////////////////////////////////////////////////////////////// METADATA LOGIC //////////////////////////////////////////////////////////////*/ function uri(uint256 id) public view virtual returns (string memory); /*////////////////////////////////////////////////////////////// ERC1155 LOGIC //////////////////////////////////////////////////////////////*/ function setApprovalForAll(address operator, bool approved) public virtual { isApprovedForAll[msg.sender][operator] = approved; emit ApprovalForAll(msg.sender, operator, approved); } function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) public virtual { require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED"); balanceOf[from][id] -= amount; balanceOf[to][id] += amount; emit TransferSingle(msg.sender, from, to, id, amount); require( to.code.length == 0 ? to != address(0) : ERC1155TokenReceiverBase(to).onERC1155Received( msg.sender, from, id, amount, data ) == ERC1155TokenReceiverBase.onERC1155Received.selector, "UNSAFE_RECIPIENT" ); } function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) public virtual { require(ids.length == amounts.length, "LENGTH_MISMATCH"); require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED"); // Storing these outside the loop saves ~15 gas per iteration. uint256 id; uint256 amount; for (uint256 i; i < ids.length; ) { id = ids[i]; amount = amounts[i]; balanceOf[from][id] -= amount; balanceOf[to][id] += amount; // An array can't have a total length // larger than the max uint256 value. unchecked { ++i; } } emit TransferBatch(msg.sender, from, to, ids, amounts); require( to.code.length == 0 ? to != address(0) : ERC1155TokenReceiverBase(to).onERC1155BatchReceived( msg.sender, from, ids, amounts, data ) == ERC1155TokenReceiverBase.onERC1155BatchReceived.selector, "UNSAFE_RECIPIENT" ); } function balanceOfBatch( address[] calldata owners, uint256[] calldata ids ) public view virtual returns (uint256[] memory balances) { require(owners.length == ids.length, "LENGTH_MISMATCH"); balances = new uint256[](owners.length); // Unchecked because the only math done is incrementing // the array index counter which cannot possibly overflow. unchecked { for (uint256 i; i < owners.length; ++i) { balances[i] = balanceOf[owners[i]][ids[i]]; } } } /*////////////////////////////////////////////////////////////// ERC165 LOGIC //////////////////////////////////////////////////////////////*/ function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165 interfaceId == 0xd9b67a26 || // ERC165 Interface ID for ERC1155 interfaceId == 0x0e89341c; // ERC165 Interface ID for ERC1155MetadataURI } /*////////////////////////////////////////////////////////////// INTERNAL MINT/BURN LOGIC //////////////////////////////////////////////////////////////*/ function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual { balanceOf[to][id] += amount; emit TransferSingle(msg.sender, address(0), to, id, amount); require( to.code.length == 0 ? to != address(0) : ERC1155TokenReceiverBase(to).onERC1155Received( msg.sender, address(0), id, amount, data ) == ERC1155TokenReceiverBase.onERC1155Received.selector, "UNSAFE_RECIPIENT" ); } function _batchMint( address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { uint256 idsLength = ids.length; // Saves MLOADs. require(idsLength == amounts.length, "LENGTH_MISMATCH"); for (uint256 i; i < idsLength; ) { balanceOf[to][ids[i]] += amounts[i]; // An array can't have a total length // larger than the max uint256 value. unchecked { ++i; } } emit TransferBatch(msg.sender, address(0), to, ids, amounts); require( to.code.length == 0 ? to != address(0) : ERC1155TokenReceiverBase(to).onERC1155BatchReceived( msg.sender, address(0), ids, amounts, data ) == ERC1155TokenReceiverBase.onERC1155BatchReceived.selector, "UNSAFE_RECIPIENT" ); } function _batchBurn( address from, uint256[] memory ids, uint256[] memory amounts ) internal virtual { uint256 idsLength = ids.length; // Saves MLOADs. require(idsLength == amounts.length, "LENGTH_MISMATCH"); for (uint256 i; i < idsLength; ) { balanceOf[from][ids[i]] -= amounts[i]; // An array can't have a total length // larger than the max uint256 value. unchecked { ++i; } } emit TransferBatch(msg.sender, from, address(0), ids, amounts); } function _burn(address from, uint256 id, uint256 amount) internal virtual { balanceOf[from][id] -= amount; emit TransferSingle(msg.sender, from, address(0), id, amount); } } /// @notice A generic interface for a contract which properly accepts ERC1155 tokens. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC1155.sol) abstract contract ERC1155TokenReceiverBase { function onERC1155Received( address, address, uint256, uint256, bytes calldata ) external virtual returns (bytes4) { return ERC1155TokenReceiverBase.onERC1155Received.selector; } function onERC1155BatchReceived( address, address, uint256[] calldata, uint256[] calldata, bytes calldata ) external virtual returns (bytes4) { return ERC1155TokenReceiverBase.onERC1155BatchReceived.selector; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../tokens/IERC20.sol"; // Compatibility helpers for ERC20s. library LibERC20Compat { error NotATokenError(IERC20 token); error TokenTransferFailedError(IERC20 token, address to, uint256 amount); error TokenApprovalFailed(IERC20 token, address spender, uint256 amount); // Perform an `IERC20.transfer()` handling non-compliant implementations. function compatTransfer(IERC20 token, address to, uint256 amount) internal { (bool s, bytes memory r) = address(token).call( abi.encodeCall(IERC20.transfer, (to, amount)) ); if (s) { if (r.length == 0) { uint256 cs; assembly { cs := extcodesize(token) } if (cs == 0) { revert NotATokenError(token); } return; } if (abi.decode(r, (bool))) { return; } } revert TokenTransferFailedError(token, to, amount); } // Perform an `IERC20.transferFrom()` handling non-compliant implementations. function compatTransferFrom(IERC20 token, address from, address to, uint256 amount) internal { (bool s, bytes memory r) = address(token).call( abi.encodeCall(IERC20.transferFrom, (from, to, amount)) ); if (s) { if (r.length == 0) { uint256 cs; assembly { cs := extcodesize(token) } if (cs == 0) { revert NotATokenError(token); } return; } if (abi.decode(r, (bool))) { return; } } revert TokenTransferFailedError(token, to, amount); } function compatApprove(IERC20 token, address spender, uint256 amount) internal { (bool s, bytes memory r) = address(token).call( abi.encodeCall(IERC20.approve, (spender, amount)) ); if (s) { if (r.length == 0) { uint256 cs; assembly { cs := extcodesize(token) } if (cs == 0) { revert NotATokenError(token); } return; } if (abi.decode(r, (bool))) { return; } } revert TokenApprovalFailed(token, spender, amount); } }
// SPDX-License-Identifier: Apache-2.0 pragma solidity ^0.8; interface IERC4906 { event MetadataUpdate(uint256 _tokenId); event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; import "../tokens/IERC721.sol"; library LibProposal { uint256 internal constant PROPOSAL_FLAG_UNANIMOUS = 0x1; uint256 internal constant PROPOSAL_FLAG_HOSTS_ACCEPT = 0x2; function isTokenPrecious( IERC721 token, IERC721[] memory preciousTokens ) internal pure returns (bool) { for (uint256 i; i < preciousTokens.length; ++i) { if (token == preciousTokens[i]) { return true; } } return false; } function isTokenIdPrecious( IERC721 token, uint256 tokenId, IERC721[] memory preciousTokens, uint256[] memory preciousTokenIds ) internal pure returns (bool) { for (uint256 i; i < preciousTokens.length; ++i) { if (token == preciousTokens[i] && tokenId == preciousTokenIds[i]) { return true; } } return false; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.20; abstract contract EIP165 { /// @notice Query if a contract implements an interface. /// @param interfaceId The interface identifier, as specified in ERC-165 /// @return `true` if the contract implements `interfaceId` and /// `interfaceId` is not 0xffffffff, `false` otherwise function supportsInterface(bytes4 interfaceId) public pure virtual returns (bool) { return interfaceId == this.supportsInterface.selector; } }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; /// @notice Read and write to persistent storage at a fraction of the cost. /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SSTORE2.sol) /// @author Modified from 0xSequence (https://github.com/0xSequence/sstore2/blob/master/contracts/SSTORE2.sol) library SSTORE2 { uint256 internal constant DATA_OFFSET = 1; // We skip the first byte as it's a STOP opcode to ensure the contract can't be called. /*////////////////////////////////////////////////////////////// WRITE LOGIC //////////////////////////////////////////////////////////////*/ function write(bytes memory data) internal returns (address pointer) { // Prefix the bytecode with a STOP opcode to ensure it cannot be called. bytes memory runtimeCode = abi.encodePacked(hex"00", data); bytes memory creationCode = abi.encodePacked( //---------------------------------------------------------------------------------------------------------------// // Opcode | Opcode + Arguments | Description | Stack View // //---------------------------------------------------------------------------------------------------------------// // 0x60 | 0x600B | PUSH1 11 | codeOffset // // 0x59 | 0x59 | MSIZE | 0 codeOffset // // 0x81 | 0x81 | DUP2 | codeOffset 0 codeOffset // // 0x38 | 0x38 | CODESIZE | codeSize codeOffset 0 codeOffset // // 0x03 | 0x03 | SUB | (codeSize - codeOffset) 0 codeOffset // // 0x80 | 0x80 | DUP | (codeSize - codeOffset) (codeSize - codeOffset) 0 codeOffset // // 0x92 | 0x92 | SWAP3 | codeOffset (codeSize - codeOffset) 0 (codeSize - codeOffset) // // 0x59 | 0x59 | MSIZE | 0 codeOffset (codeSize - codeOffset) 0 (codeSize - codeOffset) // // 0x39 | 0x39 | CODECOPY | 0 (codeSize - codeOffset) // // 0xf3 | 0xf3 | RETURN | // //---------------------------------------------------------------------------------------------------------------// hex"60_0B_59_81_38_03_80_92_59_39_F3", // Returns all code in the contract except for the first 11 (0B in hex) bytes. runtimeCode // The bytecode we want the contract to have after deployment. Capped at 1 byte less than the code size limit. ); /// @solidity memory-safe-assembly assembly { // Deploy a new contract with the generated creation code. // We start 32 bytes into the code to avoid copying the byte length. pointer := create(0, add(creationCode, 32), mload(creationCode)) } require(pointer != address(0), "DEPLOYMENT_FAILED"); } /*////////////////////////////////////////////////////////////// READ LOGIC //////////////////////////////////////////////////////////////*/ function read(address pointer) internal view returns (bytes memory) { return readBytecode(pointer, DATA_OFFSET, pointer.code.length - DATA_OFFSET); } function read(address pointer, uint256 start) internal view returns (bytes memory) { start += DATA_OFFSET; return readBytecode(pointer, start, pointer.code.length - start); } function read(address pointer, uint256 start, uint256 end) internal view returns (bytes memory) { start += DATA_OFFSET; end += DATA_OFFSET; require(pointer.code.length >= end, "OUT_OF_BOUNDS"); return readBytecode(pointer, start, end - start); } /*////////////////////////////////////////////////////////////// INTERNAL HELPER LOGIC //////////////////////////////////////////////////////////////*/ function readBytecode(address pointer, uint256 start, uint256 size) private view returns (bytes memory data) { /// @solidity memory-safe-assembly assembly { // Get a pointer to some free memory. data := mload(0x40) // Update the free memory pointer to prevent overriding our data. // We use and(x, not(31)) as a cheaper equivalent to sub(x, mod(x, 32)). // Adding 31 to size and running the result through the logic above ensures // the memory pointer remains word-aligned, following the Solidity convention. mstore(0x40, add(data, and(add(add(size, 32), 31), not(31)))) // Store the size of the data in the first 32 byte chunk of free memory. mstore(data, size) // Copy the code into memory right after the 32 bytes we used to store the size. extcodecopy(pointer, add(data, 32), start, size) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.19; /** * @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: Apache-2.0 pragma solidity ^0.8; // Minimal ERC1155 interface. interface IERC1155 { event TransferSingle( address indexed operator, address indexed from, address indexed to, uint256 id, uint256 amount ); event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] amounts ); event ApprovalForAll(address indexed owner, address indexed operator, bool approved); function setApprovalForAll(address operator, bool approved) external; function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; function balanceOf(address owner, uint256 tokenId) external view returns (uint256); function isApprovedForAll(address owner, address spender) external view returns (bool); function balanceOfBatch( address[] calldata owners, uint256[] calldata ids ) external view returns (uint256[] memory balances); }
{ "remappings": [ "forge-std/=lib/forge-std/src/", "openzeppelin/=lib/openzeppelin-contracts/", "solmate/=lib/solmate/src/", "ds-test/=lib/forge-std/lib/ds-test/src/", "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/", "openzeppelin-contracts/=lib/openzeppelin-contracts/", "party-addresses/=lib/party-addresses/" ], "optimizer": { "enabled": true, "runs": 0 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "shanghai", "libraries": { "contracts/utils/LibRenderer.sol": { "LibRenderer": "0xc23e0eb44b4468266d36568bbbf39b1766937932" } }, "viaIR": true }
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IGlobals","name":"globals","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint96","name":"contributions","type":"uint96"},{"internalType":"uint96","name":"maxContributions","type":"uint96"}],"name":"AboveMaximumContributionsError","type":"error"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"ArityMismatch","type":"error"},{"inputs":[{"internalType":"uint96","name":"contributions","type":"uint96"},{"internalType":"uint96","name":"minContributions","type":"uint96"}],"name":"BelowMinimumContributionsError","type":"error"},{"inputs":[],"name":"ContributingForExistingCardDisabledError","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"bytes","name":"errData","type":"bytes"}],"name":"EthTransferFailed","type":"error"},{"inputs":[{"internalType":"uint96","name":"amount","type":"uint96"},{"internalType":"uint96","name":"remaining","type":"uint96"}],"name":"ExceedsRemainingContributionsError","type":"error"},{"inputs":[],"name":"FundingSplitAlreadyPaidError","type":"error"},{"inputs":[],"name":"FundingSplitNotConfiguredError","type":"error"},{"inputs":[],"name":"InvalidDelegateError","type":"error"},{"inputs":[{"internalType":"uint160","name":"exchangeRate","type":"uint160"}],"name":"InvalidExchangeRateError","type":"error"},{"inputs":[],"name":"InvalidFundingSplitRecipient","type":"error"},{"inputs":[],"name":"InvalidMessageValue","type":"error"},{"inputs":[{"internalType":"uint96","name":"maxTotalContributions","type":"uint96"}],"name":"MaxTotalContributionsCannotBeZeroError","type":"error"},{"inputs":[{"internalType":"uint96","name":"min","type":"uint96"},{"internalType":"uint96","name":"max","type":"uint96"}],"name":"MinGreaterThanMaxError","type":"error"},{"inputs":[{"internalType":"uint96","name":"min","type":"uint96"},{"internalType":"uint96","name":"max","type":"uint96"}],"name":"MinMaxDifferenceTooSmall","type":"error"},{"inputs":[{"internalType":"address","name":"contributor","type":"address"},{"internalType":"contract IGateKeeper","name":"gateKeeper","type":"address"},{"internalType":"bytes12","name":"gateKeeperId","type":"bytes12"},{"internalType":"bytes","name":"gateData","type":"bytes"}],"name":"NotAllowedByGateKeeperError","type":"error"},{"inputs":[{"internalType":"uint96","name":"totalContribution","type":"uint96"},{"internalType":"uint96","name":"minTotalContributions","type":"uint96"}],"name":"NotEnoughContributionsError","type":"error"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"NotOwnerError","type":"error"},{"inputs":[],"name":"OnlyDelegateCallError","type":"error"},{"inputs":[{"internalType":"address","name":"notDao","type":"address"}],"name":"OnlyPartyDaoError","type":"error"},{"inputs":[{"internalType":"address","name":"notDao","type":"address"}],"name":"OnlyPartyDaoOrHostError","type":"error"},{"inputs":[],"name":"OnlyPartyHostError","type":"error"},{"inputs":[],"name":"OnlyWhenEmergencyActionsAllowedError","type":"error"},{"inputs":[{"internalType":"uint256","name":"u256","type":"uint256"}],"name":"Uint256ToUint40CastOutOfRangeError","type":"error"},{"inputs":[{"internalType":"uint256","name":"v","type":"uint256"}],"name":"Uint256ToUint96CastOutOfRange","type":"error"},{"inputs":[{"internalType":"enum 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Multichain Portfolio | 26 Chains
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.