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Contract Name:
PaymentProcessor
Compiler Version
v0.8.19+commit.7dd6d404
Optimization Enabled:
Yes with 30000 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.19; import "./Constants.sol"; import "./Errors.sol"; import "./interfaces/IPaymentProcessorConfiguration.sol"; import "./interfaces/IPaymentProcessorEvents.sol"; import "./interfaces/IModuleDefaultPaymentMethods.sol"; import "./storage/PaymentProcessorStorageAccess.sol"; import "@openzeppelin/contracts/utils/cryptography/draft-EIP712.sol"; /* @@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@( @@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@ #@@@@@@@@@@@@@@ @@@@@@@@@@@@ @@@@@@@@@@@@@@* @@@@@@@@@@@@ @@@@@@@@@@@@@@@ @ @@@@@@@@@@@@ @@@@@@@@@@@@@@@ @ @@@@@@@@@@@ @@@@@@@@@@@@@@@ @@ @@@@@@@@@@@@ @@@@@@@@@@@@@@@ #@@ @@@@@@@@@@@@/ @@@@@@@@@@@@@@. @@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@&%%%%%%%%&&@@@@@@@@@@@@@@ @@@@@@@@@@@@@@ @@@@@ @@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@ @@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@ @@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@ @@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@ @@@@@@@@@@@& @@@@@@@@@@@@@@ *@@@@@@@ (@@@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@@ @@@@@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ .@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@% @@@@@@@@@@@@@@@@@@@@@@@@( @@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@& @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ * @title Payment Processor * @custom:version 2.0.0 * @author Limit Break, Inc. */ contract PaymentProcessor is EIP712, PaymentProcessorStorageAccess, IPaymentProcessorEvents { using EnumerableSet for EnumerableSet.AddressSet; /// @dev The Payment Settings module implements of all payment configuration-related functionality. address private immutable _modulePaymentSettings; /// @dev The On-Chain Cancellation module implements of all on-chain cancellation-related functionality. address private immutable _moduleOnChainCancellation; /// @dev The Trades module implements all trade-related functionality. address private immutable _moduleTrades; /// @dev The Trades module implements all advanced trade-related functionality. address private immutable _moduleTradesAdvanced; constructor(address configurationContract) EIP712("PaymentProcessor", "2") { ( address defaultContractOwner_, PaymentProcessorModules memory paymentProcessorModules ) = IPaymentProcessorConfiguration(configurationContract).getPaymentProcessorDeploymentParams(); if (defaultContractOwner_ == address(0) || paymentProcessorModules.modulePaymentSettings == address(0) || paymentProcessorModules.moduleOnChainCancellation == address(0) || paymentProcessorModules.moduleTrades == address(0) || paymentProcessorModules.moduleTradesAdvanced == address(0)) { revert PaymentProcessor__InvalidConstructorArguments(); } _modulePaymentSettings = paymentProcessorModules.modulePaymentSettings; _moduleOnChainCancellation = paymentProcessorModules.moduleOnChainCancellation; _moduleTrades = paymentProcessorModules.moduleTrades; _moduleTradesAdvanced = paymentProcessorModules.moduleTradesAdvanced; unchecked { uint32 paymentMethodWhitelistId = appStorage().lastPaymentMethodWhitelistId++; appStorage().paymentMethodWhitelistOwners[paymentMethodWhitelistId] = defaultContractOwner_; emit CreatedPaymentMethodWhitelist(paymentMethodWhitelistId, defaultContractOwner_, "Default Payment Methods"); } } /**************************************************************/ /* MODIFIERS */ /**************************************************************/ /** * @dev Function modifier that generates a delegatecall to `module` with `selector` as the calldata * @dev This delegatecall is for functions that do not have parameters. The only calldata added is * @dev the extra calldata from a trusted forwarder, when present. * * @param module The contract address being called in the delegatecall. * @param selector The 4 byte function selector for the function to call in `module`. */ modifier delegateCallNoData(address module, bytes4 selector) { assembly { // This protocol is designed to work both via direct calls and calls from a trusted forwarder that // preserves the original msg.sender by appending an extra 20 bytes to the calldata. // The following code supports both cases. The magic number of 68 is: // 4 bytes for the selector let ptr := mload(0x40) mstore(ptr, selector) mstore(0x40, add(ptr, calldatasize())) calldatacopy(add(ptr, 0x04), 0x04, sub(calldatasize(), 0x04)) let result := delegatecall(gas(), module, ptr, add(sub(calldatasize(), 4), 4), 0, 0) if iszero(result) { // Call has failed, retrieve the error message and revert let size := returndatasize() returndatacopy(0, 0, size) revert(0, size) } } _; } /** * @dev Function modifier that generates a delegatecall to `module` with `selector` and `data` as the * @dev calldata. This delegatecall is for functions that have parameters but **DO NOT** take domain * @dev separator as a parameter. Additional calldata from a trusted forwarder is appended to the end, when present. * * @param module The contract address being called in the delegatecall. * @param selector The 4 byte function selector for the function to call in `module`. * @param data The calldata to send to the `module`. */ modifier delegateCall(address module, bytes4 selector, bytes calldata data) { assembly { // This protocol is designed to work both via direct calls and calls from a trusted forwarder that // preserves the original msg.sender by appending an extra 20 bytes to the calldata. // The following code supports both cases. The magic number of 68 is: // 4 bytes for the selector // 32 bytes calldata offset to the data parameter // 32 bytes for the length of the data parameter let lengthWithAppendedCalldata := sub(calldatasize(), 68) let ptr := mload(0x40) mstore(ptr, selector) calldatacopy(add(ptr,0x04), data.offset, lengthWithAppendedCalldata) mstore(0x40, add(ptr,add(0x04, lengthWithAppendedCalldata))) let result := delegatecall(gas(), module, ptr, add(lengthWithAppendedCalldata, 4), 0, 0) if iszero(result) { // Call has failed, retrieve the error message and revert let size := returndatasize() returndatacopy(0, 0, size) revert(0, size) } } _; } /** * @dev Function modifier that generates a delegatecall to `module` with `selector` and `data` as the * @dev calldata. This delegatecall is for functions that have parameters **AND** take domain * @dev separator as the first parameter. Any domain separator that has been included in `data` * @dev will be replaced with the Payment Processor domain separator. Additional calldata from a * @dev trusted forwarder is appended to the end, when present. * * @param module The contract address being called in the delegatecall. * @param selector The 4 byte function selector for the function to call in `module`. * @param data The calldata to send to the `module`. */ modifier delegateCallReplaceDomainSeparator(address module, bytes4 selector, bytes calldata data) { bytes32 domainSeparator = _domainSeparatorV4(); assembly { // This protocol is designed to work both via direct calls and calls from a trusted forwarder that // preserves the original msg.sender by appending an extra 20 bytes to the calldata. // The following code supports both cases. The magic number of 68 is: // 4 bytes for the selector // 32 bytes calldata offset to the data parameter // 32 bytes for the length of the data parameter let lengthWithAppendedCalldata := sub(calldatasize(), 68) let ptr := mload(0x40) mstore(ptr, selector) calldatacopy(add(ptr,0x04), data.offset, lengthWithAppendedCalldata) mstore(0x40, add(ptr,add(0x04, lengthWithAppendedCalldata))) mstore(add(ptr, 0x04), domainSeparator) let result := delegatecall(gas(), module, ptr, add(lengthWithAppendedCalldata, 4), 0, 0) if iszero(result) { // Call has failed, retrieve the error message and revert let size := returndatasize() returndatacopy(0, 0, size) revert(0, size) } } _; } /**************************************************************/ /* READ ONLY ACCESSORS */ /**************************************************************/ /** * @notice Returns the EIP-712 domain separator for this contract. */ function getDomainSeparator() public view returns (bytes32) { return _domainSeparatorV4(); } /** * @notice Returns the user-specific master nonce that allows order makers to efficiently cancel all listings or offers * they made previously. The master nonce for a user only changes when they explicitly request to revoke all * existing listings and offers. * * @dev When prompting makers to sign a listing or offer, marketplaces must query the current master nonce of * the user and include it in the listing/offer signature data. */ function masterNonces(address account) public view returns (uint256) { return appStorage().masterNonces[account]; } /** * @notice Returns true if the nonce for the given account has been used or cancelled. In comparison to a master nonce for * a user, this nonce value is specific to a single order and may only be used or cancelled a single time. * * @dev When prompting makers to sign a listing or offer, marketplaces must generate a unique nonce value that * has not been previously used for filled, unfilled or cancelled orders. User nonces are unique to each * user but common to that user across all marketplaces that utilize Payment Processor and do not reset * when the master nonce is incremented. Nonces are stored in a BitMap for gas efficiency so it is recommended * to utilize sequential numbers that do not overlap with other marketplaces. */ function isNonceUsed(address account, uint256 nonce) public view returns (bool isUsed) { // The following code is equivalent to, but saves gas: // // uint256 slot = nonce / 256; // uint256 offset = nonce % 256; // uint256 slotValue = appStorage().invalidatedSignatures[account][slot]; // isUsed = ((slotValue >> offset) & ONE) == ONE; isUsed = ((appStorage().invalidatedSignatures[account][uint248(nonce >> 8)] >> uint8(nonce)) & ONE) == ONE; } /** * @notice Returns the state and remaining fillable quantity of an order digest given the maker address. */ function remainingFillableQuantity( address account, bytes32 orderDigest ) external view returns (PartiallyFillableOrderStatus memory) { return appStorage().partiallyFillableOrderStatuses[account][orderDigest]; } /** * @notice Returns the payment settings for a given collection. * * @notice paymentSettings: The payment setting type for a given collection * (DefaultPaymentMethodWhitelist|AllowAnyPaymentMethod|CustomPaymentMethodWhitelist|PricingConstraints) * @notice paymentMethodWhitelistId: The payment method whitelist id for a given collection. * Applicable only when paymentSettings is CustomPaymentMethodWhitelist * @notice constrainedPricingPaymentMethod: The payment method that min/max priced collections are priced in. * Applicable only when paymentSettings is PricingConstraints. * @notice royaltyBackfillNumerator: The royalty backfill percentage for a given collection. Used only as a * fallback when a collection does not implement EIP-2981. * @notice royaltyBountyNumerator: The royalty bounty percentage for a given collection. When set, this percentage * is applied to the creator's royalty amount and paid to the maker marketplace as a bounty. * @notice isRoyaltyBountyExclusive: When true, only the designated marketplace is eligible for royalty bounty. * @notice blockTradesFromUntrustedChannels: When true, only transactions from channels that the collection * authorizes will be allowed to execute. */ function collectionPaymentSettings(address tokenAddress) external view returns (CollectionPaymentSettings memory) { return appStorage().collectionPaymentSettings[tokenAddress]; } /** * @notice Returns the optional creator-defined royalty bounty settings for a given collection. * * @return royaltyBountyNumerator The royalty bounty percentage for a given collection. When set, this percentage * is applied to the creator's royalty amount and paid to the maker marketplace as a bounty. * @return exclusiveBountyReceiver When non-zero, only the designated marketplace is eligible for royalty bounty. */ function collectionBountySettings( address tokenAddress ) external view returns (uint16 royaltyBountyNumerator, address exclusiveBountyReceiver) { CollectionPaymentSettings memory collectionPaymentSettings = appStorage().collectionPaymentSettings[tokenAddress]; return ( collectionPaymentSettings.royaltyBountyNumerator, collectionPaymentSettings.isRoyaltyBountyExclusive ? appStorage().collectionExclusiveBountyReceivers[tokenAddress] : address(0)); } /** * @notice Returns the optional creator-defined royalty backfill settings for a given collection. * This is useful for legacy collection lacking EIP-2981 support, as the collection owner can instruct * PaymentProcessor to backfill missing on-chain royalties. * * @return royaltyBackfillNumerator The creator royalty percentage for a given collection. * When set, this percentage is applied to the item sale price and paid to the creator if the attempt * to query EIP-2981 royalties fails. * @return royaltyBackfillReceiver When non-zero, this is the destination address for backfilled creator royalties. */ function collectionRoyaltyBackfillSettings( address tokenAddress ) external view returns (uint16 royaltyBackfillNumerator, address royaltyBackfillReceiver) { CollectionPaymentSettings memory collectionPaymentSettings = appStorage().collectionPaymentSettings[tokenAddress]; return ( collectionPaymentSettings.royaltyBackfillNumerator, collectionPaymentSettings.royaltyBackfillNumerator > 0 ? appStorage().collectionRoyaltyBackfillReceivers[tokenAddress] : address(0)); } /** * @notice Returns the address of the account that owns the specified payment method whitelist id. */ function paymentMethodWhitelistOwners(uint32 paymentMethodWhitelistId) external view returns (address) { return appStorage().paymentMethodWhitelistOwners[paymentMethodWhitelistId]; } /** * @notice Returns true if the specified payment method is whitelisted for the specified payment method whitelist. */ function isPaymentMethodWhitelisted(uint32 paymentMethodWhitelistId, address paymentMethod) external view returns (bool) { return appStorage().collectionPaymentMethodWhitelists[paymentMethodWhitelistId].contains(paymentMethod); } /** * @notice Returns the pricing bounds floor price for a given collection and token id, when applicable. * * @dev The pricing bounds floor price is only enforced when the collection payment settings are set to * the PricingContraints type. */ function getFloorPrice(address tokenAddress, uint256 tokenId) external view returns (uint256) { PricingBounds memory tokenLevelPricingBounds = appStorage().tokenPricingBounds[tokenAddress][tokenId]; if (tokenLevelPricingBounds.isSet) { return tokenLevelPricingBounds.floorPrice; } else { PricingBounds memory collectionLevelPricingBounds = appStorage().collectionPricingBounds[tokenAddress]; if (collectionLevelPricingBounds.isSet) { return collectionLevelPricingBounds.floorPrice; } } return 0; } /** * @notice Returns the pricing bounds ceiling price for a given collection and token id, when applicable. * * @dev The pricing bounds ceiling price is only enforced when the collection payment settings are set to * the PricingConstraints type. */ function getCeilingPrice(address tokenAddress, uint256 tokenId) external view returns (uint256) { PricingBounds memory tokenLevelPricingBounds = appStorage().tokenPricingBounds[tokenAddress][tokenId]; if (tokenLevelPricingBounds.isSet) { return tokenLevelPricingBounds.ceilingPrice; } else { PricingBounds memory collectionLevelPricingBounds = appStorage().collectionPricingBounds[tokenAddress]; if (collectionLevelPricingBounds.isSet) { return collectionLevelPricingBounds.ceilingPrice; } } return type(uint256).max; } /** * @notice Returns the last created payment method whitelist id. */ function lastPaymentMethodWhitelistId() external view returns (uint32) { return appStorage().lastPaymentMethodWhitelistId; } /** * @notice Returns the set of payment methods for a given payment method whitelist. */ function getWhitelistedPaymentMethods(uint32 paymentMethodWhitelistId) external view returns (address[] memory) { return appStorage().collectionPaymentMethodWhitelists[paymentMethodWhitelistId].values(); } /** * @notice Returns the set of trusted channels for a given collection. */ function getTrustedChannels(address tokenAddress) external view returns (address[] memory) { return appStorage().collectionTrustedChannels[tokenAddress].values(); } /** * @notice Returns the set of banned accounts for a given collection. */ function getBannedAccounts(address tokenAddress) external view returns (address[] memory) { return appStorage().collectionBannedAccounts[tokenAddress].values(); } /**************************************************************/ /* PAYMENT SETTINGS MANAGEMENT OPERATIONS */ /**************************************************************/ /** * @notice Returns true if the specified payment method is on the deploy-time default payment method whitelist * or post-deploy default payment method whitelist (id 0). */ function isDefaultPaymentMethod(address paymentMethod) external view returns (bool) { address[] memory defaultPaymentMethods = IModuleDefaultPaymentMethods(_modulePaymentSettings).getDefaultPaymentMethods(); for (uint256 i = 0; i < defaultPaymentMethods.length;) { if (paymentMethod == defaultPaymentMethods[i]) { return true; } unchecked { ++i; } } return appStorage().collectionPaymentMethodWhitelists[DEFAULT_PAYMENT_METHOD_WHITELIST_ID].contains(paymentMethod); } /** * @notice Returns an array of the immutable default payment methods specified at deploy time. * However, if any post-deployment default payment methods have been added, they are * not returned here because using an enumerable payment method whitelist would make trades * less gas efficient. For post-deployment default payment methods, exchanges should index * the `PaymentMethodAddedToWhitelist` and `PaymentMethodRemovedFromWhitelist` events. */ function getDefaultPaymentMethods() external view returns (address[] memory) { return IModuleDefaultPaymentMethods(_modulePaymentSettings).getDefaultPaymentMethods(); } /** * @notice Allows any user to create a new custom payment method whitelist. * * @dev <h4>Postconditions:</h4> * @dev 1. The payment method whitelist id tracker has been incremented by `1`. * @dev 2. The caller has been assigned as the owner of the payment method whitelist. * @dev 3. A `CreatedPaymentMethodWhitelist` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `createPaymentMethodWhitelist(string calldata whitelistName)` * @return paymentMethodWhitelistId The id of the newly created payment method whitelist. */ function createPaymentMethodWhitelist(bytes calldata data) external returns (uint32 paymentMethodWhitelistId) { address module = _modulePaymentSettings; assembly { // This protocol is designed to work both via direct calls and calls from a trusted forwarder that // preserves the original msg.sender by appending an extra 20 bytes to the calldata. // The following code supports both cases. The magic number of 68 is: // 4 bytes for the selector // 32 bytes calldata offset to the data parameter // 32 bytes for the length of the data parameter let lengthWithAppendedCalldata := sub(calldatasize(), 68) let ptr := mload(0x40) mstore(ptr, hex"f83116c9") calldatacopy(add(ptr, 0x04), data.offset, lengthWithAppendedCalldata) mstore(0x40, add(ptr, add(0x04, lengthWithAppendedCalldata))) let result := delegatecall(gas(), module, ptr, add(lengthWithAppendedCalldata, 4), 0x00, 0x20) switch result case 0 { let size := returndatasize() returndatacopy(0, 0, size) revert(0, size) } default { return (0x00, 0x20) } } } /** * @notice Transfer ownership of a payment method whitelist list to a new owner. * * @dev Throws when the new owner is the zero address. * @dev Throws when the caller does not own the specified list. * * @dev <h4>Postconditions:</h4> * 1. The payment method whitelist list ownership is transferred to the new owner. * 2. A `ReassignedPaymentMethodWhitelistOwnership` event is emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `reassignOwnershipOfPaymentMethodWhitelist(uint32 id, address newOwner)` */ function reassignOwnershipOfPaymentMethodWhitelist(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_REASSIGN_OWNERSHIP_OF_PAYMENT_METHOD_WHITELIST, data) {} /** * @notice Renounce the ownership of a payment method whitelist, rendering the list immutable. * * @dev Throws when the caller does not own the specified list. * * @dev <h4>Postconditions:</h4> * 1. The ownership of the specified payment method whitelist is renounced. * 2. A `ReassignedPaymentMethodWhitelistOwnership` event is emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `renounceOwnershipOfPaymentMethodWhitelist(uint32 id)` */ function renounceOwnershipOfPaymentMethodWhitelist(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_RENOUNCE_OWNERSHIP_OF_PAYMENT_METHOD_WHITELIST, data) {} /** * @notice Allows custom payment method whitelist owners to approve a new coin for use as a payment currency. * * @dev Throws when caller is not the owner of the specified payment method whitelist. * @dev Throws when the specified coin is already whitelisted under the specified whitelist id. * * @dev <h4>Postconditions:</h4> * @dev 1. `paymentMethod` has been approved in `paymentMethodWhitelist` mapping. * @dev 2. A `PaymentMethodAddedToWhitelist` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `whitelistPaymentMethod(uint32 paymentMethodWhitelistId, address paymentMethod)` */ function whitelistPaymentMethod(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_WHITELIST_PAYMENT_METHOD, data) {} /** * @notice Allows custom payment method whitelist owners to remove a coin from the list of approved payment currencies. * * @dev Throws when caller is not the owner of the specified payment method whitelist. * @dev Throws when the specified coin is not currently whitelisted under the specified whitelist id. * * @dev <h4>Postconditions:</h4> * @dev 1. `paymentMethod` has been removed from the `paymentMethodWhitelist` mapping. * @dev 2. A `PaymentMethodRemovedFromWhitelist` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `unwhitelistPaymentMethod(uint32 paymentMethodWhitelistId, address paymentMethod)` */ function unwhitelistPaymentMethod(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_UNWHITELIST_PAYMENT_METHOD, data) {} /** * @notice Allows the smart contract, the contract owner, or the contract admin of any NFT collection to * specify the payment settings for their collections. * * @dev Throws when the specified tokenAddress is address(0). * @dev Throws when the caller is not the contract, the owner or the administrator of the specified tokenAddress. * @dev Throws when the royalty backfill numerator is greater than 10,000. * @dev Throws when the royalty bounty numerator is greater than 10,000. * @dev Throws when the specified payment method whitelist id does not exist. * * @dev <h4>Postconditions:</h4> * @dev 1. The `PaymentSettings` type for the collection has been set. * @dev 2. The `paymentMethodWhitelistId` for the collection has been set, if applicable. * @dev 3. The `constrainedPricingPaymentMethod` for the collection has been set, if applicable. * @dev 4. The `royaltyBackfillNumerator` for the collection has been set. * @dev 5. The `royaltyBackfillReceiver` for the collection has been set. * @dev 6. The `royaltyBountyNumerator` for the collection has been set. * @dev 7. The `exclusiveBountyReceiver` for the collection has been set. * @dev 8. The `blockTradesFromUntrustedChannels` for the collection has been set. * @dev 9. An `UpdatedCollectionPaymentSettings` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `setCollectionPaymentSettings( address tokenAddress, PaymentSettings paymentSettings, uint32 paymentMethodWhitelistId, address constrainedPricingPaymentMethod, uint16 royaltyBackfillNumerator, address royaltyBackfillReceiver, uint16 royaltyBountyNumerator, address exclusiveBountyReceiver, bool blockTradesFromUntrustedChannels)` */ function setCollectionPaymentSettings(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_SET_COLLECTION_PAYMENT_SETTINGS, data) {} /** * @notice Allows the smart contract, the contract owner, or the contract admin of any NFT collection to * specify their own bounded price at the collection level. * * @dev Throws when the specified tokenAddress is address(0). * @dev Throws when the caller is not the contract, the owner or the administrator of the specified tokenAddress. * @dev Throws when the specified floor price is greater than the ceiling price. * * @dev <h4>Postconditions:</h4> * @dev 1. The collection-level pricing bounds for the specified tokenAddress has been set. * @dev 2. An `UpdatedCollectionLevelPricingBoundaries` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `setCollectionPricingBounds(address tokenAddress, PricingBounds calldata pricingBounds)` */ function setCollectionPricingBounds(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_SET_COLLECTION_PRICING_BOUNDS, data) {} /** * @notice Allows the smart contract, the contract owner, or the contract admin of any NFT collection to * specify their own bounded price at the individual token level. * * @dev Throws when the specified tokenAddress is address(0). * @dev Throws when the caller is not the contract, the owner or the administrator of the specified tokenAddress. * @dev Throws when the lengths of the tokenIds and pricingBounds array don't match. * @dev Throws when the tokenIds or pricingBounds array length is zero. * @dev Throws when the any of the specified floor prices is greater than the ceiling price for that token id. * * @dev <h4>Postconditions:</h4> * @dev 1. The token-level pricing bounds for the specified tokenAddress and token ids has been set. * @dev 2. An `UpdatedTokenLevelPricingBoundaries` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `setTokenPricingBounds( address tokenAddress, uint256[] calldata tokenIds, PricingBounds[] calldata pricingBounds)` */ function setTokenPricingBounds(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_SET_TOKEN_PRICING_BOUNDS, data) {} /** * @notice Allows trusted channels to be added to a collection. * * @dev Throws when the specified tokenAddress is address(0). * @dev Throws when the caller is not the contract, the owner or the administrator of the specified tokenAddress. * @dev Throws when the specified address is not a trusted forwarder. * * @dev <h4>Postconditions:</h4> * @dev 1. `channel` has been approved for trusted forwarding of trades on a collection. * @dev 2. A `TrustedChannelAddedForCollection` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `addTrustedChannelForCollection( * address tokenAddress, * address channel)` */ function addTrustedChannelForCollection(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_ADD_TRUSTED_CHANNEL_FOR_COLLECTION, data) {} /** * @notice Allows trusted channels to be removed from a collection. * * @dev Throws when the specified tokenAddress is address(0). * @dev Throws when the caller is not the contract, the owner or the administrator of the specified tokenAddress. * * @dev <h4>Postconditions:</h4> * @dev 1. `channel` has been dis-approved for trusted forwarding of trades on a collection. * @dev 2. A `TrustedChannelRemovedForCollection` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `removeTrustedChannelForCollection( * address tokenAddress, * address channel)` */ function removeTrustedChannelForCollection(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_REMOVE_TRUSTED_CHANNEL_FOR_COLLECTION, data) {} /** * @notice Allows creator to ban accounts from a collection. * * @dev Throws when the specified tokenAddress is address(0). * @dev Throws when the caller is not the contract, the owner or the administrator of the specified tokenAddress. * * @dev <h4>Postconditions:</h4> * @dev 1. `account` has been banned from trading on a collection. * @dev 2. A `BannedAccountAddedForCollection` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `addBannedAccountForCollection( * address tokenAddress, * address account)` */ function addBannedAccountForCollection(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_ADD_BANNED_ACCOUNT_FOR_COLLECTION, data) {} /** * @notice Allows creator to un-ban accounts from a collection. * * @dev Throws when the specified tokenAddress is address(0). * @dev Throws when the caller is not the contract, the owner or the administrator of the specified tokenAddress. * * @dev <h4>Postconditions:</h4> * @dev 1. `account` ban has been lifted for trades on a collection. * @dev 2. A `BannedAccountRemovedForCollection` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `removeBannedAccountForCollection( * address tokenAddress, * address account)` */ function removeBannedAccountForCollection(bytes calldata data) external delegateCall(_modulePaymentSettings, SELECTOR_REMOVE_BANNED_ACCOUNT_FOR_COLLECTION, data) {} /**************************************************************/ /* ON-CHAIN CANCELLATION OPERATIONS */ /**************************************************************/ /** * @notice Allows a cosigner to destroy itself, never to be used again. This is a fail-safe in case of a failure * to secure the co-signer private key in a Web2 co-signing service. In case of suspected cosigner key * compromise, or when a co-signer key is rotated, the cosigner MUST destroy itself to prevent past listings * that were cancelled off-chain from being used by a malicious actor. * * @dev Throws when the cosigner did not sign an authorization to self-destruct. * * @dev <h4>Postconditions:</h4> * @dev 1. The cosigner can never be used to co-sign orders again. * @dev 2. A `DestroyedCosigner` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `destroyCosigner(address cosigner, SignatureECDSA signature)` */ function destroyCosigner(bytes calldata data) external delegateCall(_moduleOnChainCancellation, SELECTOR_DESTROY_COSIGNER, data) {} /** * @notice Allows a maker to revoke/cancel all prior signatures of their listings and offers. * * @dev <h4>Postconditions:</h4> * @dev 1. The maker's master nonce has been incremented by `1` in contract storage, rendering all signed * approvals using the prior nonce unusable. * @dev 2. A `MasterNonceInvalidated` event has been emitted. */ function revokeMasterNonce() external delegateCallNoData(_moduleOnChainCancellation, SELECTOR_REVOKE_MASTER_NONCE) {} /** * @notice Allows a maker to revoke/cancel a single, previously signed listing or offer by specifying the * nonce of the listing or offer. * * @dev Throws when the maker has already revoked the nonce. * @dev Throws when the nonce was already used by the maker to successfully buy or sell an NFT. * * @dev <h4>Postconditions:</h4> * @dev 1. The specified `nonce` for the `_msgSender()` has been revoked and can * no longer be used to execute a sale or purchase. * @dev 2. A `NonceInvalidated` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `revokeSingleNonce(uint256 nonce)` */ function revokeSingleNonce(bytes calldata data) external delegateCall(_moduleOnChainCancellation, SELECTOR_REVOKE_SINGLE_NONCE, data) {} /** * @notice Allows a maker to revoke/cancel a partially fillable order by specifying the order digest hash. * * @dev Throws when the maker has already revoked the order digest. * @dev Throws when the order digest was already used by the maker and has been fully filled. * * @dev <h4>Postconditions:</h4> * @dev 1. The specified `orderDigest` for the `_msgSender()` has been revoked and can * no longer be used to execute a sale or purchase. * @dev 2. An `OrderDigestInvalidated` event has been emitted. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `revokeOrderDigest(bytes32 orderDigest)` */ function revokeOrderDigest(bytes calldata data) external delegateCall(_moduleOnChainCancellation, SELECTOR_REVOKE_ORDER_DIGEST, data) {} /**************************************************************/ /* TAKER OPERATIONS */ /**************************************************************/ /** * @notice Executes a buy listing transaction for a single order item. * * @dev Throws when the maker's nonce has already been used or has been cancelled. * @dev Throws when the order has expired. * @dev Throws when the combined marketplace and royalty fee exceeds 100%. * @dev Throws when the taker fee on top exceeds 100% of the item sale price. * @dev Throws when the maker's master nonce does not match the order details. * @dev Throws when the order does not comply with the collection payment settings. * @dev Throws when the maker's signature is invalid. * @dev Throws when the order is a cosigned order and the cosignature is invalid. * @dev Throws when the transaction originates from an untrusted channel if untrusted channels are blocked. * @dev Throws when the maker or taker is a banned account for the collection. * @dev Throws when the taker does not have or did not send sufficient funds to complete the purchase. * @dev Throws when the token transfer fails for any reason such as lack of approvals or token no longer owned by maker. * @dev Throws when the maker has revoked the order digest on a ERC1155_PARTIAL_FILL order. * @dev Throws when the order is an ERC1155_PARTIAL_FILL order and the item price is not evenly divisible by the amount. * @dev Throws when the order is an ERC1155_PARTIAL_FILL order and the remaining fillable quantity is less than the requested minimum fill amount. * @dev Any unused native token payment will be returned to the taker as wrapped native token. * * @dev <h4>Postconditions:</h4> * @dev 1. Payment amounts and fees are sent to their respective recipients. * @dev 2. Purchased tokens are sent to the beneficiary. * @dev 3. Maker's nonce is marked as used for ERC721_FILL_OR_KILL and ERC1155_FILL_OR_KILL orders. * @dev 4. Maker's partially fillable order state is updated for ERC1155_PARTIAL_FILL orders. * @dev 5. An `BuyListingERC721` event has been emitted for a ERC721 purchase. * @dev 6. An `BuyListingERC1155` event has been emitted for a ERC1155 purchase. * @dev 7. A `NonceInvalidated` event has been emitted for a ERC721_FILL_OR_KILL or ERC1155_FILL_OR_KILL order. * @dev 8. A `OrderDigestInvalidated` event has been emitted for a ERC1155_PARTIAL_FILL order, if fully filled. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `function buyListing( * bytes32 domainSeparator, * Order memory saleDetails, * SignatureECDSA memory sellerSignature, * Cosignature memory cosignature, * FeeOnTop memory feeOnTop)` */ function buyListing(bytes calldata data) external payable delegateCallReplaceDomainSeparator(_moduleTrades, SELECTOR_BUY_LISTING, data) {} /** * @notice Executes an offer accept transaction for a single order item. * * @dev Throws when the maker's nonce has already been used or has been cancelled. * @dev Throws when the order has expired. * @dev Throws when the combined marketplace and royalty fee exceeds 100%. * @dev Throws when the taker fee on top exceeds 100% of the item sale price. * @dev Throws when the maker's master nonce does not match the order details. * @dev Throws when the order does not comply with the collection payment settings. * @dev Throws when the maker's signature is invalid. * @dev Throws when the order is a cosigned order and the cosignature is invalid. * @dev Throws when the transaction originates from an untrusted channel if untrusted channels are blocked. * @dev Throws when the maker or taker is a banned account for the collection. * @dev Throws when the maker does not have sufficient funds to complete the purchase. * @dev Throws when the token transfer fails for any reason such as lack of approvals or token not owned by the taker. * @dev Throws when the token the offer is being accepted for does not match the conditions set by the maker. * @dev Throws when the maker has revoked the order digest on a ERC1155_PARTIAL_FILL order. * @dev Throws when the order is an ERC1155_PARTIAL_FILL order and the item price is not evenly divisible by the amount. * @dev Throws when the order is an ERC1155_PARTIAL_FILL order and the remaining fillable quantity is less than the requested minimum fill amount. * * @dev <h4>Postconditions:</h4> * @dev 1. Payment amounts and fees are sent to their respective recipients. * @dev 2. Purchased tokens are sent to the beneficiary. * @dev 3. Maker's nonce is marked as used for ERC721_FILL_OR_KILL and ERC1155_FILL_OR_KILL orders. * @dev 4. Maker's partially fillable order state is updated for ERC1155_PARTIAL_FILL orders. * @dev 5. An `AcceptOfferERC721` event has been emitted for a ERC721 sale. * @dev 6. An `AcceptOfferERC1155` event has been emitted for a ERC1155 sale. * @dev 7. A `NonceInvalidated` event has been emitted for a ERC721_FILL_OR_KILL or ERC1155_FILL_OR_KILL order. * @dev 8. A `OrderDigestInvalidated` event has been emitted for a ERC1155_PARTIAL_FILL order, if fully filled. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `function acceptOffer( * bytes32 domainSeparator, * bool isCollectionLevelOffer, * Order memory saleDetails, * SignatureECDSA memory buyerSignature, * TokenSetProof memory tokenSetProof, * Cosignature memory cosignature, * FeeOnTop memory feeOnTop)` */ function acceptOffer(bytes calldata data) external payable delegateCallReplaceDomainSeparator(_moduleTrades, SELECTOR_ACCEPT_OFFER, data) {} /** * @notice Executes a buy listing transaction for multiple order items. * * @dev Throws when a maker's nonce has already been used or has been cancelled. * @dev Throws when any order has expired. * @dev Throws when any combined marketplace and royalty fee exceeds 100%. * @dev Throws when any taker fee on top exceeds 100% of the item sale price. * @dev Throws when a maker's master nonce does not match the order details. * @dev Throws when an order does not comply with the collection payment settings. * @dev Throws when a maker's signature is invalid. * @dev Throws when an order is a cosigned order and the cosignature is invalid. * @dev Throws when the transaction originates from an untrusted channel if untrusted channels are blocked. * @dev Throws when any maker or taker is a banned account for the collection. * @dev Throws when the taker does not have or did not send sufficient funds to complete the purchase. * @dev Throws when a maker has revoked the order digest on a ERC1155_PARTIAL_FILL order. * @dev Throws when an order is an ERC1155_PARTIAL_FILL order and the item price is not evenly divisible by the amount. * @dev Throws when an order is an ERC1155_PARTIAL_FILL order and the remaining fillable quantity is less than the requested minimum fill amount. * @dev Will NOT throw when a token fails to transfer but also will not disperse payments for failed items. * @dev Any unused native token payment will be returned to the taker as wrapped native token. * * @dev <h4>Postconditions:</h4> * @dev 1. Payment amounts and fees are sent to their respective recipients. * @dev 2. Purchased tokens are sent to the beneficiary. * @dev 3. Makers nonces are marked as used for ERC721_FILL_OR_KILL and ERC1155_FILL_OR_KILL orders. * @dev 4. Makers partially fillable order states are updated for ERC1155_PARTIAL_FILL orders. * @dev 5. `BuyListingERC721` events have been emitted for each ERC721 purchase. * @dev 6. `BuyListingERC1155` events have been emitted for each ERC1155 purchase. * @dev 7. A `NonceInvalidated` event has been emitted for each ERC721_FILL_OR_KILL or ERC1155_FILL_OR_KILL order. * @dev 8. A `OrderDigestInvalidated` event has been emitted for each ERC1155_PARTIAL_FILL order, if fully filled. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `function bulkBuyListings( * bytes32 domainSeparator, * Order[] calldata saleDetailsArray, * SignatureECDSA[] calldata sellerSignatures, * Cosignature[] calldata cosignatures, * FeeOnTop[] calldata feesOnTop)` */ function bulkBuyListings(bytes calldata data) external payable delegateCallReplaceDomainSeparator(_moduleTrades, SELECTOR_BULK_BUY_LISTINGS, data) {} /** * @notice Executes an accept offer transaction for multiple order items. * * @dev Throws when a maker's nonce has already been used or has been cancelled. * @dev Throws when any order has expired. * @dev Throws when any combined marketplace and royalty fee exceeds 100%. * @dev Throws when any taker fee on top exceeds 100% of the item sale price. * @dev Throws when a maker's master nonce does not match the order details. * @dev Throws when an order does not comply with the collection payment settings. * @dev Throws when a maker's signature is invalid. * @dev Throws when an order is a cosigned order and the cosignature is invalid. * @dev Throws when the transaction originates from an untrusted channel if untrusted channels are blocked. * @dev Throws when any maker or taker is a banned account for the collection. * @dev Throws when a maker does not have sufficient funds to complete the purchase. * @dev Throws when the token an offer is being accepted for does not match the conditions set by the maker. * @dev Throws when a maker has revoked the order digest on a ERC1155_PARTIAL_FILL order. * @dev Throws when an order is an ERC1155_PARTIAL_FILL order and the item price is not evenly divisible by the amount. * @dev Throws when an order is an ERC1155_PARTIAL_FILL order and the remaining fillable quantity is less than the requested minimum fill amount. * @dev Will NOT throw when a token fails to transfer but also will not disperse payments for failed items. * * @dev <h4>Postconditions:</h4> * @dev 1. Payment amounts and fees are sent to their respective recipients. * @dev 2. Purchased tokens are sent to the beneficiary. * @dev 3. Makers nonces are marked as used for ERC721_FILL_OR_KILL and ERC1155_FILL_OR_KILL orders. * @dev 4. Makers partially fillable order states are updated for ERC1155_PARTIAL_FILL orders. * @dev 5. `AcceptOfferERC721` events have been emitted for each ERC721 sale. * @dev 6. `AcceptOfferERC1155` events have been emitted for each ERC1155 sale. * @dev 7. A `NonceInvalidated` event has been emitted for each ERC721_FILL_OR_KILL or ERC1155_FILL_OR_KILL order. * @dev 8. A `OrderDigestInvalidated` event has been emitted for each ERC1155_PARTIAL_FILL order, if fully filled. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `function bulkAcceptOffers( * bytes32 domainSeparator, * BulkAcceptOffersParams memory params)` */ function bulkAcceptOffers(bytes calldata data) external payable delegateCallReplaceDomainSeparator(_moduleTrades, SELECTOR_BULK_ACCEPT_OFFERS, data) {} /** * @notice Executes a sweep transaction for buying multiple items from the same collection. * * @dev Throws when the sweep order protocol is ERC1155_PARTIAL_FILL (unsupported). * @dev Throws when a maker's nonce has already been used or has been cancelled. * @dev Throws when any order has expired. * @dev Throws when any combined marketplace and royalty fee exceeds 100%. * @dev Throws when the taker fee on top exceeds 100% of the combined item sale prices. * @dev Throws when a maker's master nonce does not match the order details. * @dev Throws when an order does not comply with the collection payment settings. * @dev Throws when a maker's signature is invalid. * @dev Throws when an order is a cosigned order and the cosignature is invalid. * @dev Throws when the transaction originates from an untrusted channel if untrusted channels are blocked. * @dev Throws when any maker or taker is a banned account for the collection. * @dev Throws when the taker does not have or did not send sufficient funds to complete the purchase. * @dev Will NOT throw when a token fails to transfer but also will not disperse payments for failed items. * @dev Any unused native token payment will be returned to the taker as wrapped native token. * * @dev <h4>Postconditions:</h4> * @dev 1. Payment amounts and fees are sent to their respective recipients. * @dev 2. Purchased tokens are sent to the beneficiary. * @dev 3. Makers nonces are marked as used for ERC721_FILL_OR_KILL and ERC1155_FILL_OR_KILL orders. * @dev 4. Makers partially fillable order states are updated for ERC1155_PARTIAL_FILL orders. * @dev 5. `BuyListingERC721` events have been emitted for each ERC721 purchase. * @dev 6. `BuyListingERC1155` events have been emitted for each ERC1155 purchase. * @dev 7. A `NonceInvalidated` event has been emitted for each ERC721_FILL_OR_KILL or ERC1155_FILL_OR_KILL order. * * @param data Calldata encoded with PaymentProcessorEncoder. Matches calldata for: * `function sweepCollection( * bytes32 domainSeparator, * FeeOnTop memory feeOnTop, * SweepOrder memory sweepOrder, * SweepItem[] calldata items, * SignatureECDSA[] calldata signedSellOrders, * Cosignature[] memory cosignatures)` */ function sweepCollection(bytes calldata data) external payable delegateCallReplaceDomainSeparator(_moduleTradesAdvanced, SELECTOR_SWEEP_COLLECTION, data) {} }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.19; // keccack256("Cosignature(uint8 v,bytes32 r,bytes32 s,uint256 expiration,address taker)") bytes32 constant COSIGNATURE_HASH = 0x347b7818601b168f6faadc037723496e9130b057c1ffef2ec4128311e19142f2; // keccack256("CollectionOfferApproval(uint8 protocol,address cosigner,address buyer,address beneficiary,address marketplace,address fallbackRoyaltyRecipient,address paymentMethod,address tokenAddress,uint256 amount,uint256 itemPrice,uint256 expiration,uint256 marketplaceFeeNumerator,uint256 nonce,uint256 masterNonce)") bytes32 constant COLLECTION_OFFER_APPROVAL_HASH = 0x8fe9498e93fe26b30ebf76fac07bd4705201c8609227362697082288e3b4af9c; // keccack256("ItemOfferApproval(uint8 protocol,address cosigner,address buyer,address beneficiary,address marketplace,address fallbackRoyaltyRecipient,address paymentMethod,address tokenAddress,uint256 tokenId,uint256 amount,uint256 itemPrice,uint256 expiration,uint256 marketplaceFeeNumerator,uint256 nonce,uint256 masterNonce)") bytes32 constant ITEM_OFFER_APPROVAL_HASH = 0xce2e9706d63e89ddf7ee16ce0508a1c3c9bd1904c582db2e647e6f4690a0bf6b; // keccack256("TokenSetOfferApproval(uint8 protocol,address cosigner,address buyer,address beneficiary,address marketplace,address fallbackRoyaltyRecipient,address paymentMethod,address tokenAddress,uint256 amount,uint256 itemPrice,uint256 expiration,uint256 marketplaceFeeNumerator,uint256 nonce,uint256 masterNonce,bytes32 tokenSetMerkleRoot)") bytes32 constant TOKEN_SET_OFFER_APPROVAL_HASH = 0x244905ade6b0e455d12fb539a4b17d7f675db14797d514168d09814a09c70e70; // keccack256("SaleApproval(uint8 protocol,address cosigner,address seller,address marketplace,address fallbackRoyaltyRecipient,address paymentMethod,address tokenAddress,uint256 tokenId,uint256 amount,uint256 itemPrice,uint256 expiration,uint256 marketplaceFeeNumerator,uint256 maxRoyaltyFeeNumerator,uint256 nonce,uint256 masterNonce)") bytes32 constant SALE_APPROVAL_HASH = 0x938786a8256d04dc45d6d5b997005aa07c0c9e3e4925d0d6c33128d240096ebc; // The denominator used when calculating the marketplace fee. // 0.5% fee numerator is 50, 1% fee numerator is 100, 10% fee numerator is 1,000 and so on. uint256 constant FEE_DENOMINATOR = 100_00; // Default Payment Method Whitelist Id uint32 constant DEFAULT_PAYMENT_METHOD_WHITELIST_ID = 0; // Convenience to avoid magic number in bitmask get/set logic. uint256 constant ZERO = uint256(0); uint256 constant ONE = uint256(1); // The default admin role for NFT collections using Access Control. bytes32 constant DEFAULT_ACCESS_CONTROL_ADMIN_ROLE = 0x00; /// @dev The plain text message to sign for cosigner self-destruct signature verification string constant COSIGNER_SELF_DESTRUCT_MESSAGE_TO_SIGN = "COSIGNER_SELF_DESTRUCT"; /**************************************************************/ /* PRECOMPUTED SELECTORS */ /**************************************************************/ bytes4 constant SELECTOR_REASSIGN_OWNERSHIP_OF_PAYMENT_METHOD_WHITELIST= hex"a1e6917e"; bytes4 constant SELECTOR_RENOUNCE_OWNERSHIP_OF_PAYMENT_METHOD_WHITELIST= hex"0886702e"; bytes4 constant SELECTOR_WHITELIST_PAYMENT_METHOD = hex"bb39ce91"; bytes4 constant SELECTOR_UNWHITELIST_PAYMENT_METHOD = hex"e9d4c14e"; bytes4 constant SELECTOR_SET_COLLECTION_PAYMENT_SETTINGS = hex"fc5d8393"; bytes4 constant SELECTOR_SET_COLLECTION_PRICING_BOUNDS = hex"7141ae10"; bytes4 constant SELECTOR_SET_TOKEN_PRICING_BOUNDS = hex"22146d70"; bytes4 constant SELECTOR_ADD_TRUSTED_CHANNEL_FOR_COLLECTION = hex"ab559c14"; bytes4 constant SELECTOR_REMOVE_TRUSTED_CHANNEL_FOR_COLLECTION = hex"282e89f8"; bytes4 constant SELECTOR_ADD_BANNED_ACCOUNT_FOR_COLLECTION = hex"e21dde50"; bytes4 constant SELECTOR_REMOVE_BANNED_ACCOUNT_FOR_COLLECTION = hex"adf14a76"; bytes4 constant SELECTOR_DESTROY_COSIGNER = hex"2aebdefe"; bytes4 constant SELECTOR_REVOKE_MASTER_NONCE = hex"226d4adb"; bytes4 constant SELECTOR_REVOKE_SINGLE_NONCE = hex"b6d7dc33"; bytes4 constant SELECTOR_REVOKE_ORDER_DIGEST = hex"96ae0380"; bytes4 constant SELECTOR_BUY_LISTING = hex"a9272951"; bytes4 constant SELECTOR_ACCEPT_OFFER = hex"e35bb9b7"; bytes4 constant SELECTOR_BULK_BUY_LISTINGS = hex"27add047"; bytes4 constant SELECTOR_BULK_ACCEPT_OFFERS = hex"b3cdebdb"; bytes4 constant SELECTOR_SWEEP_COLLECTION = hex"206576f6"; /**************************************************************/ /* EXPECTED BASE msg.data LENGTHS */ /**************************************************************/ uint256 constant PROOF_ELEMENT_SIZE = 32; // | 4 | 32 | 512 | 96 | 192 | 64 | = 900 bytes // | selector | domainSeparator | saleDetails | sellerSignature | cosignature | feeOnTop | uint256 constant BASE_MSG_LENGTH_BUY_LISTING = 900; // | 4 | 32 | 32 | 512 | 96 | 32 + (96 + (32 * proof.length)) | 192 | 64 | = 1060 bytes + (32 * proof.length) // | selector | domainSeparator | isCollectionLevelOffer | saleDetails | buyerSignature | tokenSetProof | cosignature | feeOnTop | uint256 constant BASE_MSG_LENGTH_ACCEPT_OFFER = 1060; // | 4 | 32 | 64 | 512 * length | 64 | 96 * length | 64 | 192 * length | 64 | 64 * length | = 292 bytes + (864 * saleDetailsArray.length) // | selector | domainSeparator | length + offset | saleDetailsArray | length + offset | sellerSignatures | length + offset | cosignatures | length + offset | feesOnTop | uint256 constant BASE_MSG_LENGTH_BULK_BUY_LISTINGS = 292; uint256 constant BASE_MSG_LENGTH_BULK_BUY_LISTINGS_PER_ITEM = 864; // | 4 | 32 | 32 | 64 | 32 * length | 64 | 512 * length | 64 | 96 * length | 64 | 32 + (96 + (32 * proof.length)) | 64 | 192 * length | 64 | 64 * length | = 452 bytes + (1024 * saleDetailsArray.length) + (32 * proof.length [for each element]) // | selector | domainSeparator | struct info? | length + offset | isCollectionLevelOfferArray | length + offset | saleDetailsArray | length + offset | buyerSignaturesArray | length + offset | tokenSetProof | length + offset | cosignatures | length + offset | feesOnTop | uint256 constant BASE_MSG_LENGTH_BULK_ACCEPT_OFFERS = 452; uint256 constant BASE_MSG_LENGTH_BULK_ACCEPT_OFFERS_PER_ITEM = 1024; // | 4 | 32 | 64 | 128 | 64 | 320 * length | 64 | 96 * length | 64 | 192 * length | = 420 bytes + (608 * items.length) // | selector | domainSeparator | feeOnTop | sweepOrder | length + offset | items | length + offset | signedSellOrders | length + offset | cosignatures | uint256 constant BASE_MSG_LENGTH_SWEEP_COLLECTION = 420; uint256 constant BASE_MSG_LENGTH_SWEEP_COLLECTION_PER_ITEM = 608;
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.19; /// @dev Thrown when an order is an ERC721 order and the amount is not one. error PaymentProcessor__AmountForERC721SalesMustEqualOne(); /// @dev Thrown when an order is an ERC1155 order and the amount is zero. error PaymentProcessor__AmountForERC1155SalesGreaterThanZero(); /// @dev Thrown when an offer is being accepted and the payment method is the chain native token. error PaymentProcessor__BadPaymentMethod(); /// @dev Thrown when adding or removing a payment method from a whitelist that the caller does not own. error PaymentProcessor__CallerDoesNotOwnPaymentMethodWhitelist(); /** * @dev Thrown when modifying collection payment settings, pricing bounds, or trusted channels on a collection * @dev that the caller is not the owner of or a member of the default admin role for. */ error PaymentProcessor__CallerMustHaveElevatedPermissionsForSpecifiedNFT(); /// @dev Thrown when setting a collection or token pricing constraint with a floor price greater than ceiling price. error PaymentProcessor__CeilingPriceMustBeGreaterThanFloorPrice(); /// @dev Thrown when adding a trusted channel that is not a trusted forwarder deployed by the trusted forwarder factory. error PaymentProcessor__ChannelIsNotTrustedForwarder(); /// @dev Thrown when removing a payment method from a whitelist when that payment method is not on the whitelist. error PaymentProcessor__CoinIsNotApproved(); /// @dev Thrown when the current block time is greater than the expiration time for the cosignature. error PaymentProcessor__CosignatureHasExpired(); /// @dev Thrown when the cosigner has self destructed. error PaymentProcessor__CosignerHasSelfDestructed(); /// @dev Thrown when a token failed to transfer to the beneficiary and partial fills are disabled. error PaymentProcessor__DispensingTokenWasUnsuccessful(); /// @dev Thrown when a maker is a contract and the contract does not return the correct EIP1271 response to validate the signature. error PaymentProcessor__EIP1271SignatureInvalid(); /// @dev Thrown when a native token transfer call fails to transfer the tokens. error PaymentProcessor__FailedToTransferProceeds(); /// @dev Thrown when the additional fee on top exceeds the item price. error PaymentProcessor__FeeOnTopCannotBeGreaterThanItemPrice(); /// @dev Thrown when the supplied root hash, token and proof do not match. error PaymentProcessor__IncorrectTokenSetMerkleProof(); /// @dev Thrown when an input array has zero items in a location where it must have items. error PaymentProcessor__InputArrayLengthCannotBeZero(); /// @dev Thrown when multiple input arrays have different lengths but are required to be the same length. error PaymentProcessor__InputArrayLengthMismatch(); /// @dev Thrown when Payment Processor or a module is being deployed with invalid constructor arguments. error PaymentProcessor__InvalidConstructorArguments(); /// @dev Thrown when the maker or taker is a banned account on the collection being traded. error PaymentProcessor__MakerOrTakerIsBannedAccount(); /// @dev Thrown when the combined marketplace and royalty fees will exceed the item price. error PaymentProcessor__MarketplaceAndRoyaltyFeesWillExceedSalePrice(); /// @dev Thrown when the recovered address from a cosignature does not match the order cosigner. error PaymentProcessor__NotAuthorizedByCosigner(); /// @dev Thrown when the ERC2981 or backfilled royalties exceed the maximum fee specified by the order maker. error PaymentProcessor__OnchainRoyaltiesExceedMaximumApprovedRoyaltyFee(); /// @dev Thrown when the current block timestamp is greater than the order expiration time. error PaymentProcessor__OrderHasExpired(); /// @dev Thrown when attempting to fill a partially fillable order that has already been filled or cancelled. error PaymentProcessor__OrderIsEitherCancelledOrFilled(); /// @dev Thrown when attempting to execute a sweep order for partially fillable orders. error PaymentProcessor__OrderProtocolERC1155FillPartialUnsupportedInSweeps(); /// @dev Thrown when attempting to partially fill an order where the item price is not equally divisible by the amount of tokens. error PaymentProcessor__PartialFillsNotSupportedForNonDivisibleItems(); /// @dev Thrown when attempting to execute an order with a payment method that is not allowed by the collection payment settings. error PaymentProcessor__PaymentCoinIsNotAnApprovedPaymentMethod(); /// @dev Thrown when adding a payment method to a whitelist when that payment method is already on the list. error PaymentProcessor__PaymentMethodIsAlreadyApproved(); /// @dev Thrown when setting collection payment settings with a whitelist id that does not exist. error PaymentProcessor__PaymentMethodWhitelistDoesNotExist(); /// @dev Thrown when attempting to transfer ownership of a payment method whitelist to the zero address. error PaymentProcessor__PaymentMethodWhitelistOwnershipCannotBeTransferredToZeroAddress(); /// @dev Thrown when distributing payments and fees in native token and the amount remaining is less than the amount to distribute. error PaymentProcessor__RanOutOfNativeFunds(); /// @dev Thrown when attempting to set a royalty backfill numerator that would result in royalties greater than 100%. error PaymentProcessor__RoyaltyBackfillNumeratorCannotExceedFeeDenominator(); /// @dev Thrown when attempting to set a royalty bounty numerator that would result in royalty bounties greater than 100%. error PaymentProcessor__RoyaltyBountyNumeratorCannotExceedFeeDenominator(); /// @dev Thrown when a collection is set to pricing constraints and the item price exceeds the defined maximum price. error PaymentProcessor__SalePriceAboveMaximumCeiling(); /// @dev Thrown when a collection is set to pricing constraints and the item price is below the defined minimum price. error PaymentProcessor__SalePriceBelowMinimumFloor(); /// @dev Thrown when a maker's nonce has already been used for an executed order or cancelled by the maker. error PaymentProcessor__SignatureAlreadyUsedOrRevoked(); /** * @dev Thrown when a collection is set to block untrusted channels and the order execution originates from a channel * @dev that is not in the collection's trusted channel list. */ error PaymentProcessor__TradeOriginatedFromUntrustedChannel(); /// @dev Thrown when a trading of a specific collection has been paused by the collection owner or admin. error PaymentProcessor__TradingIsPausedForCollection(); /** * @dev Thrown when attempting to fill a partially fillable order and the amount available to fill * @dev is less than the specified minimum to fill. */ error PaymentProcessor__UnableToFillMinimumRequestedQuantity(); /// @dev Thrown when the recovered signer for an order does not match the order maker. error PaymentProcessor__UnauthorizedOrder(); /// @dev Thrown when the taker on a cosigned order does not match the taker on the cosignature. error PaymentProcessor__UnauthorizedTaker(); /// @dev Thrown when the Payment Processor or a module is being deployed with uninitialized configuration values. error PaymentProcessor__UninitializedConfiguration();
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.19; import "../DataTypes.sol"; /** * @title PaymentProcessor * @custom:version 2.0.0 * @author Limit Break, Inc. */ interface IPaymentProcessorConfiguration { /** * @notice Returns the ERC2771 context setup params for payment processor modules. */ function getPaymentProcessorModuleERC2771ContextParams() external view returns ( address /*trustedForwarderFactory*/ ); /** * @notice Returns the setup params for payment processor modules. */ function getPaymentProcessorModuleDeploymentParams() external view returns ( uint32, /*defaultPushPaymentGasLimit*/ address, /*wrappedNativeCoin*/ DefaultPaymentMethods memory /*defaultPaymentMethods*/ ); /** * @notice Returns the setup params for payment processor. */ function getPaymentProcessorDeploymentParams() external view returns ( address, /*defaultContractOwner*/ PaymentProcessorModules memory /*paymentProcessorModules*/ ); }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.19; import "../DataTypes.sol"; /** * @title Payment Processor * @custom:version 2.0.0 * @author Limit Break, Inc. */ interface IPaymentProcessorEvents { /// @notice Emitted when an account is banned from trading a collection event BannedAccountAddedForCollection( address indexed tokenAddress, address indexed account); /// @notice Emitted when an account ban has been lifted on a collection event BannedAccountRemovedForCollection( address indexed tokenAddress, address indexed account); /// @notice Emitted when an ERC721 listing is purchased. event BuyListingERC721( address indexed buyer, address indexed seller, address indexed tokenAddress, address beneficiary, address paymentCoin, uint256 tokenId, uint256 salePrice); /// @notice Emitted when an ERC1155 listing is purchased. event BuyListingERC1155( address indexed buyer, address indexed seller, address indexed tokenAddress, address beneficiary, address paymentCoin, uint256 tokenId, uint256 amount, uint256 salePrice); /// @notice Emitted when an ERC721 offer is accepted. event AcceptOfferERC721( address indexed seller, address indexed buyer, address indexed tokenAddress, address beneficiary, address paymentCoin, uint256 tokenId, uint256 salePrice); /// @notice Emitted when an ERC1155 offer is accepted. event AcceptOfferERC1155( address indexed seller, address indexed buyer, address indexed tokenAddress, address beneficiary, address paymentCoin, uint256 tokenId, uint256 amount, uint256 salePrice); /// @notice Emitted when a new payment method whitelist is created. event CreatedPaymentMethodWhitelist( uint32 indexed paymentMethodWhitelistId, address indexed whitelistOwner, string whitelistName); /// @notice Emitted when a cosigner destroys itself. event DestroyedCosigner(address indexed cosigner); /// @notice Emitted when a user revokes all of their existing listings or offers that share the master nonce. event MasterNonceInvalidated(address indexed account, uint256 nonce); /// @notice Emitted when a user revokes a single listing or offer nonce for a specific marketplace. event NonceInvalidated( uint256 indexed nonce, address indexed account, bool wasCancellation); /// @notice Emitted when a user revokes a single listing or offer nonce for a specific marketplace. event OrderDigestInvalidated( bytes32 indexed orderDigest, address indexed account, bool wasCancellation); /// @notice Emitted when a coin is added to the approved coins mapping for a security policy event PaymentMethodAddedToWhitelist( uint32 indexed paymentMethodWhitelistId, address indexed paymentMethod); /// @notice Emitted when a coin is removed from the approved coins mapping for a security policy event PaymentMethodRemovedFromWhitelist( uint32 indexed paymentMethodWhitelistId, address indexed paymentMethod); /// @notice Emitted when a payment method whitelist is reassigned to a new owner event ReassignedPaymentMethodWhitelistOwnership(uint32 indexed id, address indexed newOwner); /// @notice Emitted when a trusted channel is added for a collection event TrustedChannelAddedForCollection( address indexed tokenAddress, address indexed channel); /// @notice Emitted when a trusted channel is removed for a collection event TrustedChannelRemovedForCollection( address indexed tokenAddress, address indexed channel); /// @notice Emitted whenever pricing bounds change at a collection level for price-constrained collections. event UpdatedCollectionLevelPricingBoundaries( address indexed tokenAddress, uint256 floorPrice, uint256 ceilingPrice); /// @notice Emitted whenever the supported ERC-20 payment is set for price-constrained collections. event UpdatedCollectionPaymentSettings( address indexed tokenAddress, PaymentSettings paymentSettings, uint32 indexed paymentMethodWhitelistId, address indexed constrainedPricingPaymentMethod, uint16 royaltyBackfillNumerator, address royaltyBackfillReceiver, uint16 royaltyBountyNumerator, address exclusiveBountyReceiver, bool blockTradesFromUntrustedChannels, bool blockBannedAccounts); /// @notice Emitted whenever pricing bounds change at a token level for price-constrained collections. event UpdatedTokenLevelPricingBoundaries( address indexed tokenAddress, uint256 indexed tokenId, uint256 floorPrice, uint256 ceilingPrice); }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.19; /** * @title Payment Processor * @custom:version 2.0.0 * @author Limit Break, Inc. */ interface IModuleDefaultPaymentMethods { /** * @notice Returns the list of default payment methods that Payment Processor supports. */ function getDefaultPaymentMethods() external view returns (address[] memory); }
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.19; import "../DataTypes.sol"; /** * @title Payment Processor * @custom:version 2.0.0 * @author Limit Break, Inc. */ contract PaymentProcessorStorageAccess { /// @dev The base storage slot for Payment Processor contract storage items. bytes32 constant DIAMOND_STORAGE_PAYMENT_PROCESSOR = keccak256("diamond.storage.payment.processor"); /** * @dev Returns a storage object that follows the Diamond standard storage pattern for * @dev contract storage across multiple module contracts. */ function appStorage() internal pure returns (PaymentProcessorStorage storage diamondStorage) { bytes32 slot = DIAMOND_STORAGE_PAYMENT_PROCESSOR; assembly { diamondStorage.slot := slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/draft-EIP712.sol) pragma solidity ^0.8.0; // EIP-712 is Final as of 2022-08-11. This file is deprecated. import "./EIP712.sol";
// SPDX-License-Identifier: BSL-1.1 pragma solidity 0.8.19; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol"; /** * @dev Used internally to indicate which side of the order the taker is on. */ enum Sides { // 0: Taker is on buy side of order. Buy, // 1: Taker is on sell side of order. Sell } /** * @dev Defines condition to apply to order execution. */ enum OrderProtocols { // 0: ERC721 order that must execute in full or not at all. ERC721_FILL_OR_KILL, // 1: ERC1155 order that must execute in full or not at all. ERC1155_FILL_OR_KILL, // 2: ERC1155 order that may be partially executed. ERC1155_FILL_PARTIAL } /** * @dev Defines the rules applied to a collection for payments. */ enum PaymentSettings { // 0: Utilize Payment Processor default whitelist. DefaultPaymentMethodWhitelist, // 1: Allow any payment method. AllowAnyPaymentMethod, // 2: Use a custom payment method whitelist. CustomPaymentMethodWhitelist, // 3: Single payment method with floor and ceiling limits. PricingConstraints, // 4: Pauses trading for the collection. Paused } /** * @dev This struct is used internally for the deployment of the Payment Processor contract and * @dev module deployments to define the default payment method whitelist. */ struct DefaultPaymentMethods { address defaultPaymentMethod1; address defaultPaymentMethod2; address defaultPaymentMethod3; address defaultPaymentMethod4; } /** * @dev This struct is used internally for the deployment of the Payment Processor contract to define the * @dev module addresses to be used for the contract. */ struct PaymentProcessorModules { address modulePaymentSettings; address moduleOnChainCancellation; address moduleTrades; address moduleTradesAdvanced; } /** * @dev This struct defines the payment settings parameters for a collection. * * @dev **paymentSettings**: The general rule definition for payment methods allowed. * @dev **paymentMethodWhitelistId**: The list id to be used when paymentSettings is set to CustomPaymentMethodWhitelist. * @dev **constraintedPricingPaymentMethod**: The payment method to be used when paymentSettings is set to PricingConstraints. * @dev **royaltyBackfillNumerator**: The royalty fee to apply to the collection when ERC2981 is not supported. * @dev **royaltyBountyNumerator**: The percentage of royalties the creator will grant to a marketplace for order fulfillment. * @dev **isRoyaltyBountyExclusive**: If true, royalty bounties will only be paid if the order marketplace is the set exclusive marketplace. * @dev **blockTradesFromUntrustedChannels**: If true, trades that originate from untrusted channels will not be executed. * @dev **blockBannedAccounts**: If true, banned accounts can be neither maker or taker for trades on a per-collection basis. */ struct CollectionPaymentSettings { PaymentSettings paymentSettings; uint32 paymentMethodWhitelistId; address constrainedPricingPaymentMethod; uint16 royaltyBackfillNumerator; uint16 royaltyBountyNumerator; bool isRoyaltyBountyExclusive; bool blockTradesFromUntrustedChannels; bool blockBannedAccounts; } /** * @dev The `v`, `r`, and `s` components of an ECDSA signature. For more information * [refer to this article](https://medium.com/mycrypto/the-magic-of-digital-signatures-on-ethereum-98fe184dc9c7). */ struct SignatureECDSA { uint8 v; bytes32 r; bytes32 s; } /** * @dev This struct defines order execution parameters. * * @dev **protocol**: The order protocol to apply to the order. * @dev **maker**: The user that created and signed the order to be executed by a taker. * @dev **beneficiary**: The account that will receive the tokens. * @dev **marketplace**: The fee receiver of the marketplace that the order was created on. * @dev **fallbackRoyaltyRecipient**: The address that will receive royalties if ERC2981 * @dev is not supported by the collection and the creator has not defined backfilled royalties with Payment Processor. * @dev **paymentMethod**: The payment method for the order. * @dev **tokenAddress**: The address of the token collection the order is for. * @dev **tokenId**: The token id that the order is for. * @dev **amount**: The quantity of token the order is for. * @dev **itemPrice**: The price for the order in base units for the payment method. * @dev **nonce**: The maker's nonce for the order. * @dev **expiration**: The time, in seconds since the Unix epoch, that the order will expire. * @dev **marketplaceFeeNumerator**: The percentage fee that will be sent to the marketplace. * @dev **maxRoyaltyFeeNumerator**: The maximum royalty the maker is willing to accept. This will be used * @dev as the royalty amount when ERC2981 is not supported by the collection. * @dev **requestedFillAmount**: The amount of tokens for an ERC1155 partial fill order that the taker wants to fill. * @dev **minimumFillAmount**: The minimum amount of tokens for an ERC1155 partial fill order that the taker will accept. */ struct Order { OrderProtocols protocol; address maker; address beneficiary; address marketplace; address fallbackRoyaltyRecipient; address paymentMethod; address tokenAddress; uint256 tokenId; uint248 amount; uint256 itemPrice; uint256 nonce; uint256 expiration; uint256 marketplaceFeeNumerator; uint256 maxRoyaltyFeeNumerator; uint248 requestedFillAmount; uint248 minimumFillAmount; } /** * @dev This struct defines the cosignature for verifying an order that is a cosigned order. * * @dev **signer**: The address that signed the cosigned order. This must match the cosigner that is part of the order signature. * @dev **taker**: The address of the order taker. * @dev **expiration**: The time, in seconds since the Unix epoch, that the cosignature will expire. * @dev The `v`, `r`, and `s` components of an ECDSA signature. For more information * [refer to this article](https://medium.com/mycrypto/the-magic-of-digital-signatures-on-ethereum-98fe184dc9c7). */ struct Cosignature { address signer; address taker; uint256 expiration; uint8 v; bytes32 r; bytes32 s; } /** * @dev This struct defines an additional fee on top of an order, paid by taker. * * @dev **recipient**: The recipient of the additional fee. * @dev **amount**: The amount of the additional fee, in base units of the payment token. */ struct FeeOnTop { address recipient; uint256 amount; } /** * @dev This struct defines the root hash and proof data for accepting an offer that is for a subset * @dev of items in a collection. The root hash must match the root hash specified as part of the * @dev maker's order signature. * * @dev **rootHash**: The merkletree root hash for the items that may be used to fulfill the offer order. * @dev **proof**: The merkle proofs for the item being supplied to fulfill the offer order. */ struct TokenSetProof { bytes32 rootHash; bytes32[] proof; } /** * @dev Current state of a partially fillable order. */ enum PartiallyFillableOrderState { // 0: Order is open and may continue to be filled. Open, // 1: Order has been completely filled. Filled, // 2: Order has been cancelled. Cancelled } /** * @dev This struct defines the current status of a partially fillable order. * * @dev **state**: The current state of the order as defined by the PartiallyFillableOrderState enum. * @dev **remainingFillableQuantity**: The remaining quantity that may be filled for the order. */ struct PartiallyFillableOrderStatus { PartiallyFillableOrderState state; uint248 remainingFillableQuantity; } /** * @dev This struct defines the royalty backfill and bounty information. Its data for an * @dev order execution is constructed internally based on the collection settings and * @dev order execution details. * * @dev **backfillNumerator**: The percentage of the order amount to pay as royalties * @dev for a collection that does not support ERC2981. * @dev **backfillReceiver**: The recipient of backfill royalties. * @dev **bountyNumerator**: The percentage of royalties to share with the marketplace for order fulfillment. * @dev **exclusiveMarketplace**: If non-zero, the address of the exclusive marketplace for royalty bounties. */ struct RoyaltyBackfillAndBounty { uint16 backfillNumerator; address backfillReceiver; uint16 bountyNumerator; address exclusiveMarketplace; } /** * @dev This struct defines order information that is common to all items in a sweep order. * * @dev **protocol**: The order protocol to apply to the order. * @dev **tokenAddress**: The address of the token collection the order is for. * @dev **paymentMethod**: The payment method for the order. * @dev **beneficiary**: The account that will receive the tokens. */ struct SweepOrder { OrderProtocols protocol; address tokenAddress; address paymentMethod; address beneficiary; } /** * @dev This struct defines order information that is unique to each item of a sweep order. * @dev Combined with the SweepOrder header information to make an Order to execute. * * @dev **maker**: The user that created and signed the order to be executed by a taker. * @dev **marketplace**: The marketplace that the order was created on. * @dev **fallbackRoyaltyRecipient**: The address that will receive royalties if ERC2981 * @dev is not supported by the collection and the creator has not defined royalties with Payment Processor. * @dev **tokenId**: The token id that the order is for. * @dev **amount**: The quantity of token the order is for. * @dev **itemPrice**: The price for the order in base units for the payment method. * @dev **nonce**: The maker's nonce for the order. * @dev **expiration**: The time, in seconds since the Unix epoch, that the order will expire. * @dev **marketplaceFeeNumerator**: The percentage fee that will be sent to the marketplace. * @dev **maxRoyaltyFeeNumerator**: The maximum royalty the maker is willing to accept. This will be used * @dev as the royalty amount when ERC2981 is not supported by the collection. */ struct SweepItem { address maker; address marketplace; address fallbackRoyaltyRecipient; uint256 tokenId; uint248 amount; uint256 itemPrice; uint256 nonce; uint256 expiration; uint256 marketplaceFeeNumerator; uint256 maxRoyaltyFeeNumerator; } /** * @dev This struct is used to define pricing constraints for a collection or individual token. * * @dev **isSet**: When true, this indicates that pricing constraints are set for the collection or token. * @dev **floorPrice**: The minimum price for a token or collection. This is only enforced when * @dev `enforcePricingConstraints` is `true`. * @dev **ceilingPrice**: The maximum price for a token or collection. This is only enforced when * @dev `enforcePricingConstraints` is `true`. */ struct PricingBounds { bool isSet; uint120 floorPrice; uint120 ceilingPrice; } /** * @dev This struct defines the parameters for a bulk offer acceptance transaction. * * * @dev **isCollectionLevelOfferArray**: An array of flags to indicate if an offer is for any token in the collection. * @dev **saleDetailsArray**: An array of order execution details. * @dev **buyerSignaturesArray**: An array of maker signatures authorizing the order executions. * @dev **tokenSetProofsArray**: An array of root hashes and merkle proofs for offers that are a subset of tokens in a collection. * @dev **cosignaturesArray**: An array of additional cosignatures for cosigned orders, as applicable. * @dev **feesOnTopArray**: An array of additional fees to add on top of the orders, paid by taker. */ struct BulkAcceptOffersParams { bool[] isCollectionLevelOfferArray; Order[] saleDetailsArray; SignatureECDSA[] buyerSignaturesArray; TokenSetProof[] tokenSetProofsArray; Cosignature[] cosignaturesArray; FeeOnTop[] feesOnTopArray; } /** * @dev Internal contract use only - this is not a public-facing struct */ struct SplitProceeds { address royaltyRecipient; uint256 royaltyProceeds; uint256 marketplaceProceeds; uint256 sellerProceeds; } /** * @dev Internal contract use only - this is not a public-facing struct */ struct PayoutsAccumulator { address lastSeller; address lastMarketplace; address lastRoyaltyRecipient; uint256 accumulatedSellerProceeds; uint256 accumulatedMarketplaceProceeds; uint256 accumulatedRoyaltyProceeds; } /** * @dev Internal contract use only - this is not a public-facing struct */ struct SweepCollectionComputeAndDistributeProceedsParams { IERC20 paymentCoin; FulfillOrderFunctionPointers fnPointers; FeeOnTop feeOnTop; RoyaltyBackfillAndBounty royaltyBackfillAndBounty; Order[] saleDetailsBatch; } /** * @dev Internal contract use only - this is not a public-facing struct */ struct FulfillOrderFunctionPointers { function(address,address,IERC20,uint256,uint256) funcPayout; function(address,address,address,uint256,uint256) returns (bool) funcDispenseToken; function(TradeContext memory, Order memory) funcEmitOrderExecutionEvent; } /** * @dev Internal contract use only - this is not a public-facing struct */ struct TradeContext { bytes32 domainSeparator; address channel; address taker; bool disablePartialFill; } /** * @dev This struct defines contract-level storage to be used across all Payment Processor modules. * @dev Follows the Diamond storage pattern. */ struct PaymentProcessorStorage { /// @dev Tracks the most recently created payment method whitelist id uint32 lastPaymentMethodWhitelistId; /** * @notice User-specific master nonce that allows buyers and sellers to efficiently cancel all listings or offers * they made previously. The master nonce for a user only changes when they explicitly request to revoke all * existing listings and offers. * * @dev When prompting sellers to sign a listing or offer, marketplaces must query the current master nonce of * the user and include it in the listing/offer signature data. */ mapping(address => uint256) masterNonces; /** * @dev The mapping key is the keccak256 hash of marketplace address and user address. * * @dev ```keccak256(abi.encodePacked(marketplace, user))``` * * @dev The mapping value is another nested mapping of "slot" (key) to a bitmap (value) containing boolean flags * indicating whether or not a nonce has been used or invalidated. * * @dev Marketplaces MUST track their own nonce by user, incrementing it for every signed listing or offer the user * creates. Listings and purchases may be executed out of order, and they may never be executed if orders * are not matched prior to expriation. * * @dev The slot and the bit offset within the mapped value are computed as: * * @dev ```slot = nonce / 256;``` * @dev ```offset = nonce % 256;``` */ mapping(address => mapping(uint256 => uint256)) invalidatedSignatures; /// @dev Mapping of token contract addresses to the collection payment settings. mapping (address => CollectionPaymentSettings) collectionPaymentSettings; /// @dev Mapping of payment method whitelist id to the owner address for the list. mapping (uint32 => address) paymentMethodWhitelistOwners; /// @dev Mapping of payment method whitelist id to a defined list of allowed payment methods. mapping (uint32 => EnumerableSet.AddressSet) collectionPaymentMethodWhitelists; /// @dev Mapping of token contract addresses to the collection-level pricing boundaries (floor and ceiling price). mapping (address => PricingBounds) collectionPricingBounds; /// @dev Mapping of token contract addresses to the token-level pricing boundaries (floor and ceiling price). mapping (address => mapping (uint256 => PricingBounds)) tokenPricingBounds; /// @dev Mapping of token contract addresses to the defined royalty backfill receiver addresses. mapping (address => address) collectionRoyaltyBackfillReceivers; /// @dev Mapping of token contract addresses to the defined exclusive bounty receivers. mapping (address => address) collectionExclusiveBountyReceivers; /// @dev Mapping of maker addresses to a mapping of order digests to the status of the partially fillable order for that digest. mapping (address => mapping(bytes32 => PartiallyFillableOrderStatus)) partiallyFillableOrderStatuses; /// @dev Mapping of token contract addresses to the defined list of trusted channels for the token contract. mapping (address => EnumerableSet.AddressSet) collectionTrustedChannels; /// @dev Mapping of token contract addresses to the defined list of banned accounts for the token contract. mapping (address => EnumerableSet.AddressSet) collectionBannedAccounts; /// @dev A mapping of all co-signers that have self-destructed and can never be used as cosigners again. mapping (address => bool) destroyedCosigners; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/EIP712.sol) pragma solidity ^0.8.8; import "./ECDSA.sol"; import "../ShortStrings.sol"; import "../../interfaces/IERC5267.sol"; /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data. * * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible, * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding * they need in their contracts using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain * separator of the implementation contract. This will cause the `_domainSeparatorV4` function to always rebuild the * separator from the immutable values, which is cheaper than accessing a cached version in cold storage. * * _Available since v3.4._ * * @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment */ abstract contract EIP712 is IERC5267 { using ShortStrings for *; bytes32 private constant _TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to // invalidate the cached domain separator if the chain id changes. bytes32 private immutable _cachedDomainSeparator; uint256 private immutable _cachedChainId; address private immutable _cachedThis; bytes32 private immutable _hashedName; bytes32 private immutable _hashedVersion; ShortString private immutable _name; ShortString private immutable _version; string private _nameFallback; string private _versionFallback; /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ constructor(string memory name, string memory version) { _name = name.toShortStringWithFallback(_nameFallback); _version = version.toShortStringWithFallback(_versionFallback); _hashedName = keccak256(bytes(name)); _hashedVersion = keccak256(bytes(version)); _cachedChainId = block.chainid; _cachedDomainSeparator = _buildDomainSeparator(); _cachedThis = address(this); } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { if (address(this) == _cachedThis && block.chainid == _cachedChainId) { return _cachedDomainSeparator; } else { return _buildDomainSeparator(); } } function _buildDomainSeparator() private view returns (bytes32) { return keccak256(abi.encode(_TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash); } /** * @dev See {EIP-5267}. * * _Available since v4.9._ */ function eip712Domain() public view virtual override returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ) { return ( hex"0f", // 01111 _name.toStringWithFallback(_nameFallback), _version.toStringWithFallback(_versionFallback), block.chainid, address(this), bytes32(0), new uint256[](0) ); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 amount) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/structs/EnumerableSet.sol) // This file was procedurally generated from scripts/generate/templates/EnumerableSet.js. pragma solidity ^0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ```solidity * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. * * [WARNING] * ==== * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure * unusable. * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info. * * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an * array of EnumerableSet. * ==== */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastValue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastValue; // Update the index for the moved value set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { bytes32[] memory store = _values(set._inner); bytes32[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values in the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; /// @solidity memory-safe-assembly assembly { result := store } return result; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../Strings.sol"; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV // Deprecated in v4.8 } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) { // 32 is the length in bytes of hash, // enforced by the type signature above /// @solidity memory-safe-assembly assembly { mstore(0x00, "\x19Ethereum Signed Message:\n32") mstore(0x1c, hash) message := keccak256(0x00, 0x3c) } } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) { /// @solidity memory-safe-assembly assembly { let ptr := mload(0x40) mstore(ptr, "\x19\x01") mstore(add(ptr, 0x02), domainSeparator) mstore(add(ptr, 0x22), structHash) data := keccak256(ptr, 0x42) } } /** * @dev Returns an Ethereum Signed Data with intended validator, created from a * `validator` and `data` according to the version 0 of EIP-191. * * See {recover}. */ function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x00", validator, data)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/ShortStrings.sol) pragma solidity ^0.8.8; import "./StorageSlot.sol"; // | string | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA | // | length | 0x BB | type ShortString is bytes32; /** * @dev This library provides functions to convert short memory strings * into a `ShortString` type that can be used as an immutable variable. * * Strings of arbitrary length can be optimized using this library if * they are short enough (up to 31 bytes) by packing them with their * length (1 byte) in a single EVM word (32 bytes). Additionally, a * fallback mechanism can be used for every other case. * * Usage example: * * ```solidity * contract Named { * using ShortStrings for *; * * ShortString private immutable _name; * string private _nameFallback; * * constructor(string memory contractName) { * _name = contractName.toShortStringWithFallback(_nameFallback); * } * * function name() external view returns (string memory) { * return _name.toStringWithFallback(_nameFallback); * } * } * ``` */ library ShortStrings { // Used as an identifier for strings longer than 31 bytes. bytes32 private constant _FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF; error StringTooLong(string str); error InvalidShortString(); /** * @dev Encode a string of at most 31 chars into a `ShortString`. * * This will trigger a `StringTooLong` error is the input string is too long. */ function toShortString(string memory str) internal pure returns (ShortString) { bytes memory bstr = bytes(str); if (bstr.length > 31) { revert StringTooLong(str); } return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length)); } /** * @dev Decode a `ShortString` back to a "normal" string. */ function toString(ShortString sstr) internal pure returns (string memory) { uint256 len = byteLength(sstr); // using `new string(len)` would work locally but is not memory safe. string memory str = new string(32); /// @solidity memory-safe-assembly assembly { mstore(str, len) mstore(add(str, 0x20), sstr) } return str; } /** * @dev Return the length of a `ShortString`. */ function byteLength(ShortString sstr) internal pure returns (uint256) { uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF; if (result > 31) { revert InvalidShortString(); } return result; } /** * @dev Encode a string into a `ShortString`, or write it to storage if it is too long. */ function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) { if (bytes(value).length < 32) { return toShortString(value); } else { StorageSlot.getStringSlot(store).value = value; return ShortString.wrap(_FALLBACK_SENTINEL); } } /** * @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}. */ function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) { if (ShortString.unwrap(value) != _FALLBACK_SENTINEL) { return toString(value); } else { return store; } } /** * @dev Return the length of a string that was encoded to `ShortString` or written to storage using {setWithFallback}. * * WARNING: This will return the "byte length" of the string. This may not reflect the actual length in terms of * actual characters as the UTF-8 encoding of a single character can span over multiple bytes. */ function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) { if (ShortString.unwrap(value) != _FALLBACK_SENTINEL) { return byteLength(value); } else { return bytes(store).length; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC5267.sol) pragma solidity ^0.8.0; interface IERC5267 { /** * @dev MAY be emitted to signal that the domain could have changed. */ event EIP712DomainChanged(); /** * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712 * signature. */ function eip712Domain() external view returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol) pragma solidity ^0.8.0; import "./math/Math.sol"; import "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant _SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), _SYMBOLS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toString(int256 value) internal pure returns (string memory) { return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value)))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.0; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ```solidity * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract"); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._ * _Available since v4.9 for `string`, `bytes`._ */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } /** * @dev Returns an `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Down, // Toward negative infinity Up, // Toward infinity Zero // Toward zero } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) * with further edits by Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod0 := mul(x, y) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. require(denominator > prod1, "Math: mulDiv overflow"); /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1. // See https://cs.stackexchange.com/q/138556/92363. // Does not overflow because the denominator cannot be zero at this stage in the function. uint256 twos = denominator & (~denominator + 1); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works // in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (rounding == Rounding.Up && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2, rounded down, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10, rounded down, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256, rounded down, of a positive value. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.0; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
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Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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paymentMethodWhitelistId","type":"uint32"},{"indexed":true,"internalType":"address","name":"paymentMethod","type":"address"}],"name":"PaymentMethodAddedToWhitelist","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint32","name":"paymentMethodWhitelistId","type":"uint32"},{"indexed":true,"internalType":"address","name":"paymentMethod","type":"address"}],"name":"PaymentMethodRemovedFromWhitelist","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint32","name":"id","type":"uint32"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"ReassignedPaymentMethodWhitelistOwnership","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"tokenAddress","type":"address"},{"indexed":true,"internalType":"address","name":"channel","type":"address"}],"name":"TrustedChannelAddedForCollection","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"tokenAddress","type":"address"},{"indexed":true,"internalType":"address","name":"channel","type":"address"}],"name":"TrustedChannelRemovedForCollection","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"tokenAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"floorPrice","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"ceilingPrice","type":"uint256"}],"name":"UpdatedCollectionLevelPricingBoundaries","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"tokenAddress","type":"address"},{"indexed":false,"internalType":"enum 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Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000009a1d00bc981da5cea8300a999c0d15e2f7f03008
-----Decoded View---------------
Arg [0] : configurationContract (address): 0x9A1D00Bc981DA5cea8300a999c0d15E2f7F03008
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000009a1d00bc981da5cea8300a999c0d15e2f7f03008
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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.