Contract Name:
OffersLogic
Contract Source Code:
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC2981.sol)
pragma solidity ^0.8.0;
import "../utils/introspection/IERC165.sol";
/**
* @dev Interface for the NFT Royalty Standard.
*
* A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
* support for royalty payments across all NFT marketplaces and ecosystem participants.
*
* _Available since v4.5._
*/
interface IERC2981 is IERC165 {
/**
* @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
* exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
*/
function royaltyInfo(
uint256 tokenId,
uint256 salePrice
) external view returns (address receiver, uint256 royaltyAmount);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC1155/IERC1155.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev Required interface of an ERC1155 compliant contract, as defined in the
* https://eips.ethereum.org/EIPS/eip-1155[EIP].
*
* _Available since v3.1._
*/
interface IERC1155 is IERC165 {
/**
* @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
*/
event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);
/**
* @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
* transfers.
*/
event TransferBatch(
address indexed operator,
address indexed from,
address indexed to,
uint256[] ids,
uint256[] values
);
/**
* @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
* `approved`.
*/
event ApprovalForAll(address indexed account, address indexed operator, bool approved);
/**
* @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
*
* If an {URI} event was emitted for `id`, the standard
* https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
* returned by {IERC1155MetadataURI-uri}.
*/
event URI(string value, uint256 indexed id);
/**
* @dev Returns the amount of tokens of token type `id` owned by `account`.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function balanceOf(address account, uint256 id) external view returns (uint256);
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
*
* Requirements:
*
* - `accounts` and `ids` must have the same length.
*/
function balanceOfBatch(
address[] calldata accounts,
uint256[] calldata ids
) external view returns (uint256[] memory);
/**
* @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
*
* Emits an {ApprovalForAll} event.
*
* Requirements:
*
* - `operator` cannot be the caller.
*/
function setApprovalForAll(address operator, bool approved) external;
/**
* @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
*
* See {setApprovalForAll}.
*/
function isApprovedForAll(address account, address operator) external view returns (bool);
/**
* @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
* - `from` must have a balance of tokens of type `id` of at least `amount`.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
* acceptance magic value.
*/
function safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes calldata data) external;
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
*
* Emits a {TransferBatch} event.
*
* Requirements:
*
* - `ids` and `amounts` must have the same length.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
* acceptance magic value.
*/
function safeBatchTransferFrom(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts,
bytes calldata data
) external;
}
// 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 v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* [EIP](https://eips.ethereum.org/EIPS/eip-165).
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// SPDX-License-Identifier: Apache 2.0
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Interface for the NFT Royalty Standard.
*
* A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
* support for royalty payments across all NFT marketplaces and ecosystem participants.
*
* _Available since v4.5._
*/
interface IERC2981 is IERC165 {
/**
* @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
* exchange. The royalty amount is denominated and should be payed in that same unit of exchange.
*/
function royaltyInfo(
uint256 tokenId,
uint256 salePrice
) external view returns (address receiver, uint256 royaltyAmount);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 tokenId) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
/**
* @dev External interface of AccessControl declared to support ERC165 detection.
*/
interface IPermissions {
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*
* _Available since v3.1._
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call, an admin role
* bearer except when using {AccessControl-_setupRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Emitted when `account` is revoked `role`.
*
* `sender` is the account that originated the contract call:
* - if using `revokeRole`, it is the admin role bearer
* - if using `renounceRole`, it is the role bearer (i.e. `account`)
*/
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) external view returns (bool);
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {AccessControl-_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) external view returns (bytes32);
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*/
function renounceRole(bytes32 role, address account) external;
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
import "./IPermissions.sol";
/**
* @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
*/
interface IPermissionsEnumerable is IPermissions {
/**
* @dev Returns one of the accounts that have `role`. `index` must be a
* value between 0 and {getRoleMemberCount}, non-inclusive.
*
* Role bearers are not sorted in any particular way, and their ordering may
* change at any point.
*
* WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
* you perform all queries on the same block. See the following
* [forum post](https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296)
* for more information.
*/
function getRoleMember(bytes32 role, uint256 index) external view returns (address);
/**
* @dev Returns the number of accounts that have `role`. Can be used
* together with {getRoleMember} to enumerate all bearers of a role.
*/
function getRoleMemberCount(bytes32 role) external view returns (uint256);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
/**
* Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading
* the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic
* that uses information about platform fees, if desired.
*/
interface IPlatformFee {
/// @dev Fee type variants: percentage fee and flat fee
enum PlatformFeeType {
Bps,
Flat
}
/// @dev Returns the platform fee bps and recipient.
function getPlatformFeeInfo() external view returns (address, uint16);
/// @dev Lets a module admin update the fees on primary sales.
function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external;
/// @dev Emitted when fee on primary sales is updated.
event PlatformFeeInfoUpdated(address indexed platformFeeRecipient, uint256 platformFeeBps);
/// @dev Emitted when the flat platform fee is updated.
event FlatPlatformFeeUpdated(address platformFeeRecipient, uint256 flatFee);
/// @dev Emitted when the platform fee type is updated.
event PlatformFeeTypeUpdated(PlatformFeeType feeType);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
/**
* @dev Lookup engine interface
*/
interface IRoyaltyEngineV1 is IERC165 {
/**
* Get the royalty for a given token (address, id) and value amount. Does not cache the bps/amounts. Caches the spec for a given token address
*
* @param tokenAddress - The address of the token
* @param tokenId - The id of the token
* @param value - The value you wish to get the royalty of
*
* returns Two arrays of equal length, royalty recipients and the corresponding amount each recipient should get
*/
function getRoyalty(
address tokenAddress,
uint256 tokenId,
uint256 value
) external returns (address payable[] memory recipients, uint256[] memory amounts);
/**
* View only version of getRoyalty
*
* @param tokenAddress - The address of the token
* @param tokenId - The id of the token
* @param value - The value you wish to get the royalty of
*
* returns Two arrays of equal length, royalty recipients and the corresponding amount each recipient should get
*/
function getRoyaltyView(
address tokenAddress,
uint256 tokenId,
uint256 value
) external view returns (address payable[] memory recipients, uint256[] memory amounts);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
/**
* @dev Read royalty info for a token.
* Supports RoyaltyEngineV1 and RoyaltyRegistry by manifold.xyz.
*/
interface IRoyaltyPayments is IERC165 {
/// @dev Emitted when the address of RoyaltyEngine is set or updated.
event RoyaltyEngineUpdated(address indexed previousAddress, address indexed newAddress);
/**
* Get the royalty for a given token (address, id) and value amount.
*
* @param tokenAddress - The address of the token
* @param tokenId - The id of the token
* @param value - The value you wish to get the royalty of
*
* returns Two arrays of equal length, royalty recipients and the corresponding amount each recipient should get
*/
function getRoyalty(
address tokenAddress,
uint256 tokenId,
uint256 value
) external returns (address payable[] memory recipients, uint256[] memory amounts);
/**
* Set or override RoyaltyEngine address
*
* @param _royaltyEngineAddress - RoyaltyEngineV1 address
*/
function setRoyaltyEngine(address _royaltyEngineAddress) external;
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
interface IERC2771Context {
function isTrustedForwarder(address forwarder) external view returns (bool);
}
/**
* @dev Context variant with ERC2771 support.
*/
abstract contract ERC2771ContextConsumer {
function _msgSender() public view virtual returns (address sender) {
if (IERC2771Context(address(this)).isTrustedForwarder(msg.sender)) {
// The assembly code is more direct than the Solidity version using `abi.decode`.
assembly {
sender := shr(96, calldataload(sub(calldatasize(), 20)))
}
} else {
return msg.sender;
}
}
function _msgData() public view virtual returns (bytes calldata) {
if (IERC2771Context(address(this)).isTrustedForwarder(msg.sender)) {
return msg.data[:msg.data.length - 20];
} else {
return msg.data;
}
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
import "../interface/IPermissions.sol";
import "../../lib/Strings.sol";
/**
* @title Permissions
* @dev This contracts provides extending-contracts with role-based access control mechanisms
*/
library PermissionsStorage {
/// @custom:storage-location erc7201:permissions.storage
/// @dev keccak256(abi.encode(uint256(keccak256("permissions.storage")) - 1)) & ~bytes32(uint256(0xff))
bytes32 public constant PERMISSIONS_STORAGE_POSITION =
0x0a7b0f5c59907924802379ebe98cdc23e2ee7820f63d30126e10b3752010e500;
struct Data {
/// @dev Map from keccak256 hash of a role => a map from address => whether address has role.
mapping(bytes32 => mapping(address => bool)) _hasRole;
/// @dev Map from keccak256 hash of a role to role admin. See {getRoleAdmin}.
mapping(bytes32 => bytes32) _getRoleAdmin;
}
function data() internal pure returns (Data storage data_) {
bytes32 position = PERMISSIONS_STORAGE_POSITION;
assembly {
data_.slot := position
}
}
}
contract Permissions is IPermissions {
/// @dev Default admin role for all roles. Only accounts with this role can grant/revoke other roles.
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/// @dev Modifier that checks if an account has the specified role; reverts otherwise.
modifier onlyRole(bytes32 role) {
_checkRole(role, _msgSender());
_;
}
/**
* @notice Checks whether an account has a particular role.
* @dev Returns `true` if `account` has been granted `role`.
*
* @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
* @param account Address of the account for which the role is being checked.
*/
function hasRole(bytes32 role, address account) public view override returns (bool) {
return _permissionsStorage()._hasRole[role][account];
}
/**
* @notice Checks whether an account has a particular role;
* role restrictions can be swtiched on and off.
*
* @dev Returns `true` if `account` has been granted `role`.
* Role restrictions can be swtiched on and off:
* - If address(0) has ROLE, then the ROLE restrictions
* don't apply.
* - If address(0) does not have ROLE, then the ROLE
* restrictions will apply.
*
* @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
* @param account Address of the account for which the role is being checked.
*/
function hasRoleWithSwitch(bytes32 role, address account) public view returns (bool) {
if (!_permissionsStorage()._hasRole[role][address(0)]) {
return _permissionsStorage()._hasRole[role][account];
}
return true;
}
/**
* @notice Returns the admin role that controls the specified role.
* @dev See {grantRole} and {revokeRole}.
* To change a role's admin, use {_setRoleAdmin}.
*
* @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
*/
function getRoleAdmin(bytes32 role) external view override returns (bytes32) {
return _permissionsStorage()._getRoleAdmin[role];
}
/**
* @notice Grants a role to an account, if not previously granted.
* @dev Caller must have admin role for the `role`.
* Emits {RoleGranted Event}.
*
* @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
* @param account Address of the account to which the role is being granted.
*/
function grantRole(bytes32 role, address account) public virtual override {
_checkRole(_permissionsStorage()._getRoleAdmin[role], _msgSender());
if (_permissionsStorage()._hasRole[role][account]) {
revert("Can only grant to non holders");
}
_setupRole(role, account);
}
/**
* @notice Revokes role from an account.
* @dev Caller must have admin role for the `role`.
* Emits {RoleRevoked Event}.
*
* @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
* @param account Address of the account from which the role is being revoked.
*/
function revokeRole(bytes32 role, address account) public virtual override {
_checkRole(_permissionsStorage()._getRoleAdmin[role], _msgSender());
_revokeRole(role, account);
}
/**
* @notice Revokes role from the account.
* @dev Caller must have the `role`, with caller being the same as `account`.
* Emits {RoleRevoked Event}.
*
* @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
* @param account Address of the account from which the role is being revoked.
*/
function renounceRole(bytes32 role, address account) public virtual override {
if (_msgSender() != account) {
revert("Can only renounce for self");
}
_revokeRole(role, account);
}
/// @dev Sets `adminRole` as `role`'s admin role.
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
bytes32 previousAdminRole = _permissionsStorage()._getRoleAdmin[role];
_permissionsStorage()._getRoleAdmin[role] = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
/// @dev Sets up `role` for `account`
function _setupRole(bytes32 role, address account) internal virtual {
_permissionsStorage()._hasRole[role][account] = true;
emit RoleGranted(role, account, _msgSender());
}
/// @dev Revokes `role` from `account`
function _revokeRole(bytes32 role, address account) internal virtual {
_checkRole(role, account);
delete _permissionsStorage()._hasRole[role][account];
emit RoleRevoked(role, account, _msgSender());
}
/// @dev Checks `role` for `account`. Reverts with a message including the required role.
function _checkRole(bytes32 role, address account) internal view virtual {
if (!_permissionsStorage()._hasRole[role][account]) {
revert(
string(
abi.encodePacked(
"Permissions: account ",
Strings.toHexString(uint160(account), 20),
" is missing role ",
Strings.toHexString(uint256(role), 32)
)
)
);
}
}
/// @dev Checks `role` for `account`. Reverts with a message including the required role.
function _checkRoleWithSwitch(bytes32 role, address account) internal view virtual {
if (!hasRoleWithSwitch(role, account)) {
revert(
string(
abi.encodePacked(
"Permissions: account ",
Strings.toHexString(uint160(account), 20),
" is missing role ",
Strings.toHexString(uint256(role), 32)
)
)
);
}
}
function _msgSender() internal view virtual returns (address sender) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
/// @dev Returns the Permissions storage.
function _permissionsStorage() internal pure returns (PermissionsStorage.Data storage data) {
data = PermissionsStorage.data();
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
import "../interface/IPermissionsEnumerable.sol";
import "./Permissions.sol";
/**
* @title PermissionsEnumerable
* @dev This contracts provides extending-contracts with role-based access control mechanisms.
* Also provides interfaces to view all members with a given role, and total count of members.
*/
library PermissionsEnumerableStorage {
/// @custom:storage-location erc7201:extension.manager.storage
bytes32 public constant PERMISSIONS_ENUMERABLE_STORAGE_POSITION =
keccak256(abi.encode(uint256(keccak256("permissions.enumerable.storage")) - 1)) & ~bytes32(uint256(0xff));
/**
* @notice A data structure to store data of members for a given role.
*
* @param index Current index in the list of accounts that have a role.
* @param members map from index => address of account that has a role
* @param indexOf map from address => index which the account has.
*/
struct RoleMembers {
uint256 index;
mapping(uint256 => address) members;
mapping(address => uint256) indexOf;
}
struct Data {
/// @dev map from keccak256 hash of a role to its members' data. See {RoleMembers}.
mapping(bytes32 => RoleMembers) roleMembers;
}
function data() internal pure returns (Data storage data_) {
bytes32 position = PERMISSIONS_ENUMERABLE_STORAGE_POSITION;
assembly {
data_.slot := position
}
}
}
contract PermissionsEnumerable is IPermissionsEnumerable, Permissions {
/**
* @notice Returns the role-member from a list of members for a role,
* at a given index.
* @dev Returns `member` who has `role`, at `index` of role-members list.
* See struct {RoleMembers}, and mapping {roleMembers}
*
* @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
* @param index Index in list of current members for the role.
*
* @return member Address of account that has `role`
*/
function getRoleMember(bytes32 role, uint256 index) external view override returns (address member) {
uint256 currentIndex = _permissionsEnumerableStorage().roleMembers[role].index;
uint256 check;
for (uint256 i = 0; i < currentIndex; i += 1) {
if (_permissionsEnumerableStorage().roleMembers[role].members[i] != address(0)) {
if (check == index) {
member = _permissionsEnumerableStorage().roleMembers[role].members[i];
return member;
}
check += 1;
} else if (
hasRole(role, address(0)) && i == _permissionsEnumerableStorage().roleMembers[role].indexOf[address(0)]
) {
check += 1;
}
}
}
/**
* @notice Returns total number of accounts that have a role.
* @dev Returns `count` of accounts that have `role`.
* See struct {RoleMembers}, and mapping {roleMembers}
*
* @param role keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
*
* @return count Total number of accounts that have `role`
*/
function getRoleMemberCount(bytes32 role) external view override returns (uint256 count) {
uint256 currentIndex = _permissionsEnumerableStorage().roleMembers[role].index;
for (uint256 i = 0; i < currentIndex; i += 1) {
if (_permissionsEnumerableStorage().roleMembers[role].members[i] != address(0)) {
count += 1;
}
}
if (hasRole(role, address(0))) {
count += 1;
}
}
/// @dev Revokes `role` from `account`, and removes `account` from {roleMembers}
/// See {_removeMember}
function _revokeRole(bytes32 role, address account) internal virtual override {
super._revokeRole(role, account);
_removeMember(role, account);
}
/// @dev Grants `role` to `account`, and adds `account` to {roleMembers}
/// See {_addMember}
function _setupRole(bytes32 role, address account) internal virtual override {
super._setupRole(role, account);
_addMember(role, account);
}
/// @dev adds `account` to {roleMembers}, for `role`
function _addMember(bytes32 role, address account) internal {
uint256 idx = _permissionsEnumerableStorage().roleMembers[role].index;
_permissionsEnumerableStorage().roleMembers[role].index += 1;
_permissionsEnumerableStorage().roleMembers[role].members[idx] = account;
_permissionsEnumerableStorage().roleMembers[role].indexOf[account] = idx;
}
/// @dev removes `account` from {roleMembers}, for `role`
function _removeMember(bytes32 role, address account) internal {
uint256 idx = _permissionsEnumerableStorage().roleMembers[role].indexOf[account];
delete _permissionsEnumerableStorage().roleMembers[role].members[idx];
delete _permissionsEnumerableStorage().roleMembers[role].indexOf[account];
}
/// @dev Returns the PermissionsEnumerable storage.
function _permissionsEnumerableStorage() internal pure returns (PermissionsEnumerableStorage.Data storage data) {
data = PermissionsEnumerableStorage.data();
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
library ReentrancyGuardStorage {
/// @custom:storage-location erc7201:reentrancy.guard.storage
/// @dev keccak256(abi.encode(uint256(keccak256("reentrancy.guard.storage")) - 1)) & ~bytes32(uint256(0xff))
bytes32 public constant REENTRANCY_GUARD_STORAGE_POSITION =
0x1d281c488dae143b6ea4122e80c65059929950b9c32f17fc57be22089d9c3b00;
struct Data {
uint256 _status;
}
function data() internal pure returns (Data storage data_) {
bytes32 position = REENTRANCY_GUARD_STORAGE_POSITION;
assembly {
data_.slot := position
}
}
}
abstract contract ReentrancyGuard {
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
constructor() {
_reentrancyGuardStorage()._status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_reentrancyGuardStorage()._status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_reentrancyGuardStorage()._status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_reentrancyGuardStorage()._status = _NOT_ENTERED;
}
/// @dev Returns the ReentrancyGuard storage.
function _reentrancyGuardStorage() internal pure returns (ReentrancyGuardStorage.Data storage data) {
data = ReentrancyGuardStorage.data();
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
import "../interface/IRoyaltyPayments.sol";
import "../interface/IRoyaltyEngineV1.sol";
import { IERC2981 } from "../../eip/interface/IERC2981.sol";
library RoyaltyPaymentsStorage {
/// @custom:storage-location erc7201:royalty.payments.storage
/// @dev keccak256(abi.encode(uint256(keccak256("royalty.payments.storage")) - 1)) & ~bytes32(uint256(0xff))
bytes32 public constant ROYALTY_PAYMENTS_STORAGE_POSITION =
0xc802b338f3fb784853cf3c808df5ff08335200e394ea2c687d12571a91045000;
struct Data {
/// @dev The address of RoyaltyEngineV1, replacing the one set during construction.
address royaltyEngineAddressOverride;
}
function royaltyPaymentsStorage() internal pure returns (Data storage royaltyPaymentsData) {
bytes32 position = ROYALTY_PAYMENTS_STORAGE_POSITION;
assembly {
royaltyPaymentsData.slot := position
}
}
}
/**
* @author thirdweb.com
*
* @title Royalty Payments
* @notice Thirdweb's `RoyaltyPayments` is a contract extension to be used with a marketplace contract.
* It exposes functions for fetching royalty settings for a token.
* It Supports RoyaltyEngineV1 and RoyaltyRegistry by manifold.xyz.
*/
abstract contract RoyaltyPaymentsLogic is IRoyaltyPayments {
// solhint-disable-next-line var-name-mixedcase
address immutable ROYALTY_ENGINE_ADDRESS;
constructor(address _royaltyEngineAddress) {
// allow address(0) in case RoyaltyEngineV1 not present on a network
require(
_royaltyEngineAddress == address(0) ||
IERC165(_royaltyEngineAddress).supportsInterface(type(IRoyaltyEngineV1).interfaceId),
"Doesn't support IRoyaltyEngineV1 interface"
);
ROYALTY_ENGINE_ADDRESS = _royaltyEngineAddress;
}
/**
* Get the royalty for a given token (address, id) and value amount. Does not cache the bps/amounts. Caches the spec for a given token address
*
* @param tokenAddress - The address of the token
* @param tokenId - The id of the token
* @param value - The value you wish to get the royalty of
*
* returns Two arrays of equal length, royalty recipients and the corresponding amount each recipient should get
*/
function getRoyalty(
address tokenAddress,
uint256 tokenId,
uint256 value
) external returns (address payable[] memory recipients, uint256[] memory amounts) {
address royaltyEngineAddress = getRoyaltyEngineAddress();
if (royaltyEngineAddress == address(0)) {
try IERC2981(tokenAddress).royaltyInfo(tokenId, value) returns (address recipient, uint256 amount) {
require(amount <= value, "Invalid royalty amount");
recipients = new address payable[](1);
amounts = new uint256[](1);
recipients[0] = payable(recipient);
amounts[0] = amount;
} catch {}
} else {
(recipients, amounts) = IRoyaltyEngineV1(royaltyEngineAddress).getRoyalty(tokenAddress, tokenId, value);
}
}
/**
* Set or override RoyaltyEngine address
*
* @param _royaltyEngineAddress - RoyaltyEngineV1 address
*/
function setRoyaltyEngine(address _royaltyEngineAddress) external {
if (!_canSetRoyaltyEngine()) {
revert("Not authorized");
}
require(
_royaltyEngineAddress != address(0) &&
IERC165(_royaltyEngineAddress).supportsInterface(type(IRoyaltyEngineV1).interfaceId),
"Doesn't support IRoyaltyEngineV1 interface"
);
_setupRoyaltyEngine(_royaltyEngineAddress);
}
/// @dev Returns original or overridden address for RoyaltyEngineV1
function getRoyaltyEngineAddress() public view returns (address royaltyEngineAddress) {
RoyaltyPaymentsStorage.Data storage data = RoyaltyPaymentsStorage.royaltyPaymentsStorage();
address royaltyEngineOverride = data.royaltyEngineAddressOverride;
royaltyEngineAddress = royaltyEngineOverride != address(0) ? royaltyEngineOverride : ROYALTY_ENGINE_ADDRESS;
}
/// @dev Lets a contract admin update the royalty engine address
function _setupRoyaltyEngine(address _royaltyEngineAddress) internal {
RoyaltyPaymentsStorage.Data storage data = RoyaltyPaymentsStorage.royaltyPaymentsStorage();
address currentAddress = data.royaltyEngineAddressOverride;
data.royaltyEngineAddressOverride = _royaltyEngineAddress;
emit RoyaltyEngineUpdated(currentAddress, _royaltyEngineAddress);
}
/// @dev Returns whether royalty engine address can be set in the given execution context.
function _canSetRoyaltyEngine() internal view virtual returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import "../../../../../eip/interface/IERC20.sol";
import { Address } from "../../../../../lib/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
// Return data is optional
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
interface IWETH {
function deposit() external payable;
function withdraw(uint256 amount) external;
function transfer(address to, uint256 value) external returns (bool);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.1;
/// @author thirdweb, OpenZeppelin Contracts (v4.9.0)
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
// Helper interfaces
import { IWETH } from "../infra/interface/IWETH.sol";
import { SafeERC20, IERC20 } from "../external-deps/openzeppelin/token/ERC20/utils/SafeERC20.sol";
library CurrencyTransferLib {
using SafeERC20 for IERC20;
error CurrencyTransferLibMismatchedValue(uint256 expected, uint256 actual);
error CurrencyTransferLibFailedNativeTransfer(address recipient, uint256 value);
/// @dev The address interpreted as native token of the chain.
address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
/// @dev Transfers a given amount of currency.
function transferCurrency(address _currency, address _from, address _to, uint256 _amount) internal {
if (_amount == 0) {
return;
}
if (_currency == NATIVE_TOKEN) {
safeTransferNativeToken(_to, _amount);
} else {
safeTransferERC20(_currency, _from, _to, _amount);
}
}
/// @dev Transfers a given amount of currency. (With native token wrapping)
function transferCurrencyWithWrapper(
address _currency,
address _from,
address _to,
uint256 _amount,
address _nativeTokenWrapper
) internal {
if (_amount == 0) {
return;
}
if (_currency == NATIVE_TOKEN) {
if (_from == address(this)) {
// withdraw from weth then transfer withdrawn native token to recipient
IWETH(_nativeTokenWrapper).withdraw(_amount);
safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
} else if (_to == address(this)) {
// store native currency in weth
if (_amount != msg.value) {
revert CurrencyTransferLibMismatchedValue(msg.value, _amount);
}
IWETH(_nativeTokenWrapper).deposit{ value: _amount }();
} else {
safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
}
} else {
safeTransferERC20(_currency, _from, _to, _amount);
}
}
/// @dev Transfer `amount` of ERC20 token from `from` to `to`.
function safeTransferERC20(address _currency, address _from, address _to, uint256 _amount) internal {
if (_from == _to) {
return;
}
if (_from == address(this)) {
IERC20(_currency).safeTransfer(_to, _amount);
} else {
IERC20(_currency).safeTransferFrom(_from, _to, _amount);
}
}
/// @dev Transfers `amount` of native token to `to`.
function safeTransferNativeToken(address to, uint256 value) internal {
// solhint-disable avoid-low-level-calls
// slither-disable-next-line low-level-calls
(bool success, ) = to.call{ value: value }("");
if (!success) {
revert CurrencyTransferLibFailedNativeTransfer(to, value);
}
}
/// @dev Transfers `amount` of native token to `to`. (With native token wrapping)
function safeTransferNativeTokenWithWrapper(address to, uint256 value, address _nativeTokenWrapper) internal {
// solhint-disable avoid-low-level-calls
// slither-disable-next-line low-level-calls
(bool success, ) = to.call{ value: value }("");
if (!success) {
IWETH(_nativeTokenWrapper).deposit{ value: value }();
IERC20(_nativeTokenWrapper).safeTransfer(to, value);
}
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/// @author thirdweb
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @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] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
/// @dev Returns the hexadecimal representation of `value`.
/// The output is prefixed with "0x", encoded using 2 hexadecimal digits per byte,
/// and the alphabets are capitalized conditionally according to
/// https://eips.ethereum.org/EIPS/eip-55
function toHexStringChecksummed(address value) internal pure returns (string memory str) {
str = toHexString(value);
/// @solidity memory-safe-assembly
assembly {
let mask := shl(6, div(not(0), 255)) // `0b010000000100000000 ...`
let o := add(str, 0x22)
let hashed := and(keccak256(o, 40), mul(34, mask)) // `0b10001000 ... `
let t := shl(240, 136) // `0b10001000 << 240`
for {
let i := 0
} 1 {
} {
mstore(add(i, i), mul(t, byte(i, hashed)))
i := add(i, 1)
if eq(i, 20) {
break
}
}
mstore(o, xor(mload(o), shr(1, and(mload(0x00), and(mload(o), mask)))))
o := add(o, 0x20)
mstore(o, xor(mload(o), shr(1, and(mload(0x20), and(mload(o), mask)))))
}
}
/// @dev Returns the hexadecimal representation of `value`.
/// The output is prefixed with "0x" and encoded using 2 hexadecimal digits per byte.
function toHexString(address value) internal pure returns (string memory str) {
str = toHexStringNoPrefix(value);
/// @solidity memory-safe-assembly
assembly {
let strLength := add(mload(str), 2) // Compute the length.
mstore(str, 0x3078) // Write the "0x" prefix.
str := sub(str, 2) // Move the pointer.
mstore(str, strLength) // Write the length.
}
}
/// @dev Returns the hexadecimal representation of `value`.
/// The output is encoded using 2 hexadecimal digits per byte.
function toHexStringNoPrefix(address value) internal pure returns (string memory str) {
/// @solidity memory-safe-assembly
assembly {
str := mload(0x40)
// Allocate the memory.
// We need 0x20 bytes for the trailing zeros padding, 0x20 bytes for the length,
// 0x02 bytes for the prefix, and 0x28 bytes for the digits.
// The next multiple of 0x20 above (0x20 + 0x20 + 0x02 + 0x28) is 0x80.
mstore(0x40, add(str, 0x80))
// Store "0123456789abcdef" in scratch space.
mstore(0x0f, 0x30313233343536373839616263646566)
str := add(str, 2)
mstore(str, 40)
let o := add(str, 0x20)
mstore(add(o, 40), 0)
value := shl(96, value)
// We write the string from rightmost digit to leftmost digit.
// The following is essentially a do-while loop that also handles the zero case.
for {
let i := 0
} 1 {
} {
let p := add(o, add(i, i))
let temp := byte(i, value)
mstore8(add(p, 1), mload(and(temp, 15)))
mstore8(p, mload(shr(4, temp)))
i := add(i, 1)
if eq(i, 20) {
break
}
}
}
}
/// @dev Returns the hex encoded string from the raw bytes.
/// The output is encoded using 2 hexadecimal digits per byte.
function toHexString(bytes memory raw) internal pure returns (string memory str) {
str = toHexStringNoPrefix(raw);
/// @solidity memory-safe-assembly
assembly {
let strLength := add(mload(str), 2) // Compute the length.
mstore(str, 0x3078) // Write the "0x" prefix.
str := sub(str, 2) // Move the pointer.
mstore(str, strLength) // Write the length.
}
}
/// @dev Returns the hex encoded string from the raw bytes.
/// The output is encoded using 2 hexadecimal digits per byte.
function toHexStringNoPrefix(bytes memory raw) internal pure returns (string memory str) {
/// @solidity memory-safe-assembly
assembly {
let length := mload(raw)
str := add(mload(0x40), 2) // Skip 2 bytes for the optional prefix.
mstore(str, add(length, length)) // Store the length of the output.
// Store "0123456789abcdef" in scratch space.
mstore(0x0f, 0x30313233343536373839616263646566)
let o := add(str, 0x20)
let end := add(raw, length)
for {
} iszero(eq(raw, end)) {
} {
raw := add(raw, 1)
mstore8(add(o, 1), mload(and(mload(raw), 15)))
mstore8(o, mload(and(shr(4, mload(raw)), 15)))
o := add(o, 2)
}
mstore(o, 0) // Zeroize the slot after the string.
mstore(0x40, add(o, 0x20)) // Allocate the memory.
}
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;
/// @author thirdweb
/**
* @author thirdweb.com
*
* The `DirectListings` extension smart contract lets you buy and sell NFTs (ERC-721 or ERC-1155) for a fixed price.
*/
interface IDirectListings {
enum TokenType {
ERC721,
ERC1155
}
enum Status {
UNSET,
CREATED,
COMPLETED,
CANCELLED
}
/**
* @notice The parameters a seller sets when creating or updating a listing.
*
* @param assetContract The address of the smart contract of the NFTs being listed.
* @param tokenId The tokenId of the NFTs being listed.
* @param quantity The quantity of NFTs being listed. This must be non-zero, and is expected to
* be `1` for ERC-721 NFTs.
* @param currency The currency in which the price must be paid when buying the listed NFTs.
* @param pricePerToken The price to pay per unit of NFTs listed.
* @param startTimestamp The UNIX timestamp at and after which NFTs can be bought from the listing.
* @param endTimestamp The UNIX timestamp at and after which NFTs cannot be bought from the listing.
* @param reserved Whether the listing is reserved to be bought from a specific set of buyers.
*/
struct ListingParameters {
address assetContract;
uint256 tokenId;
uint256 quantity;
address currency;
uint256 pricePerToken;
uint128 startTimestamp;
uint128 endTimestamp;
bool reserved;
}
/**
* @notice The information stored for a listing.
*
* @param listingId The unique ID of the listing.
* @param listingCreator The creator of the listing.
* @param assetContract The address of the smart contract of the NFTs being listed.
* @param tokenId The tokenId of the NFTs being listed.
* @param quantity The quantity of NFTs being listed. This must be non-zero, and is expected to
* be `1` for ERC-721 NFTs.
* @param currency The currency in which the price must be paid when buying the listed NFTs.
* @param pricePerToken The price to pay per unit of NFTs listed.
* @param startTimestamp The UNIX timestamp at and after which NFTs can be bought from the listing.
* @param endTimestamp The UNIX timestamp at and after which NFTs cannot be bought from the listing.
* @param reserved Whether the listing is reserved to be bought from a specific set of buyers.
* @param status The status of the listing (created, completed, or cancelled).
* @param tokenType The type of token listed (ERC-721 or ERC-1155)
*/
struct Listing {
uint256 listingId;
uint256 tokenId;
uint256 quantity;
uint256 pricePerToken;
uint128 startTimestamp;
uint128 endTimestamp;
address listingCreator;
address assetContract;
address currency;
TokenType tokenType;
Status status;
bool reserved;
}
/// @notice Emitted when a new listing is created.
event NewListing(
address indexed listingCreator,
uint256 indexed listingId,
address indexed assetContract,
Listing listing
);
/// @notice Emitted when a listing is updated.
event UpdatedListing(
address indexed listingCreator,
uint256 indexed listingId,
address indexed assetContract,
Listing listing
);
/// @notice Emitted when a listing is cancelled.
event CancelledListing(address indexed listingCreator, uint256 indexed listingId);
/// @notice Emitted when a buyer is approved to buy from a reserved listing.
event BuyerApprovedForListing(uint256 indexed listingId, address indexed buyer, bool approved);
/// @notice Emitted when a currency is approved as a form of payment for the listing.
event CurrencyApprovedForListing(uint256 indexed listingId, address indexed currency, uint256 pricePerToken);
/// @notice Emitted when NFTs are bought from a listing.
event NewSale(
address indexed listingCreator,
uint256 indexed listingId,
address indexed assetContract,
uint256 tokenId,
address buyer,
uint256 quantityBought,
uint256 totalPricePaid
);
/**
* @notice List NFTs (ERC721 or ERC1155) for sale at a fixed price.
*
* @param _params The parameters of a listing a seller sets when creating a listing.
*
* @return listingId The unique integer ID of the listing.
*/
function createListing(ListingParameters memory _params) external returns (uint256 listingId);
/**
* @notice Update parameters of a listing of NFTs.
*
* @param _listingId The ID of the listing to update.
* @param _params The parameters of a listing a seller sets when updating a listing.
*/
function updateListing(uint256 _listingId, ListingParameters memory _params) external;
/**
* @notice Cancel a listing.
*
* @param _listingId The ID of the listing to cancel.
*/
function cancelListing(uint256 _listingId) external;
/**
* @notice Approve a buyer to buy from a reserved listing.
*
* @param _listingId The ID of the listing to update.
* @param _buyer The address of the buyer to approve to buy from the listing.
* @param _toApprove Whether to approve the buyer to buy from the listing.
*/
function approveBuyerForListing(uint256 _listingId, address _buyer, bool _toApprove) external;
/**
* @notice Approve a currency as a form of payment for the listing.
*
* @param _listingId The ID of the listing to update.
* @param _currency The address of the currency to approve as a form of payment for the listing.
* @param _pricePerTokenInCurrency The price per token for the currency to approve.
*/
function approveCurrencyForListing(
uint256 _listingId,
address _currency,
uint256 _pricePerTokenInCurrency
) external;
/**
* @notice Buy NFTs from a listing.
*
* @param _listingId The ID of the listing to update.
* @param _buyFor The recipient of the NFTs being bought.
* @param _quantity The quantity of NFTs to buy from the listing.
* @param _currency The currency to use to pay for NFTs.
* @param _expectedTotalPrice The expected total price to pay for the NFTs being bought.
*/
function buyFromListing(
uint256 _listingId,
address _buyFor,
uint256 _quantity,
address _currency,
uint256 _expectedTotalPrice
) external payable;
/**
* @notice Returns the total number of listings created.
* @dev At any point, the return value is the ID of the next listing created.
*/
function totalListings() external view returns (uint256);
/// @notice Returns all listings between the start and end Id (both inclusive) provided.
function getAllListings(uint256 _startId, uint256 _endId) external view returns (Listing[] memory listings);
/**
* @notice Returns all valid listings between the start and end Id (both inclusive) provided.
* A valid listing is where the listing creator still owns and has approved Marketplace
* to transfer the listed NFTs.
*/
function getAllValidListings(uint256 _startId, uint256 _endId) external view returns (Listing[] memory listings);
/**
* @notice Returns a listing at the provided listing ID.
*
* @param _listingId The ID of the listing to fetch.
*/
function getListing(uint256 _listingId) external view returns (Listing memory listing);
}
/**
* The `EnglishAuctions` extension smart contract lets you sell NFTs (ERC-721 or ERC-1155) in an english auction.
*/
interface IEnglishAuctions {
enum TokenType {
ERC721,
ERC1155
}
enum Status {
UNSET,
CREATED,
COMPLETED,
CANCELLED
}
/**
* @notice The parameters a seller sets when creating an auction listing.
*
* @param assetContract The address of the smart contract of the NFTs being auctioned.
* @param tokenId The tokenId of the NFTs being auctioned.
* @param quantity The quantity of NFTs being auctioned. This must be non-zero, and is expected to
* be `1` for ERC-721 NFTs.
* @param currency The currency in which the bid must be made when bidding for the auctioned NFTs.
* @param minimumBidAmount The minimum bid amount for the auction.
* @param buyoutBidAmount The total bid amount for which the bidder can directly purchase the auctioned items and close the auction as a result.
* @param timeBufferInSeconds This is a buffer e.g. x seconds. If a new winning bid is made less than x seconds before expirationTimestamp, the
* expirationTimestamp is increased by x seconds.
* @param bidBufferBps This is a buffer in basis points e.g. x%. To be considered as a new winning bid, a bid must be at least x% greater than
* the current winning bid.
* @param startTimestamp The timestamp at and after which bids can be made to the auction
* @param endTimestamp The timestamp at and after which bids cannot be made to the auction.
*/
struct AuctionParameters {
address assetContract;
uint256 tokenId;
uint256 quantity;
address currency;
uint256 minimumBidAmount;
uint256 buyoutBidAmount;
uint64 timeBufferInSeconds;
uint64 bidBufferBps;
uint64 startTimestamp;
uint64 endTimestamp;
}
/**
* @notice The information stored for an auction.
*
* @param auctionId The unique ID of the auction.
* @param auctionCreator The creator of the auction.
* @param assetContract The address of the smart contract of the NFTs being auctioned.
* @param tokenId The tokenId of the NFTs being auctioned.
* @param quantity The quantity of NFTs being auctioned. This must be non-zero, and is expected to
* be `1` for ERC-721 NFTs.
* @param currency The currency in which the bid must be made when bidding for the auctioned NFTs.
* @param minimumBidAmount The minimum bid amount for the auction.
* @param buyoutBidAmount The total bid amount for which the bidder can directly purchase the auctioned items and close the auction as a result.
* @param timeBufferInSeconds This is a buffer e.g. x seconds. If a new winning bid is made less than x seconds before expirationTimestamp, the
* expirationTimestamp is increased by x seconds.
* @param bidBufferBps This is a buffer in basis points e.g. x%. To be considered as a new winning bid, a bid must be at least x% greater than
* the current winning bid.
* @param startTimestamp The timestamp at and after which bids can be made to the auction
* @param endTimestamp The timestamp at and after which bids cannot be made to the auction.
* @param status The status of the auction (created, completed, or cancelled).
* @param tokenType The type of NFTs auctioned (ERC-721 or ERC-1155)
*/
struct Auction {
uint256 auctionId;
uint256 tokenId;
uint256 quantity;
uint256 minimumBidAmount;
uint256 buyoutBidAmount;
uint64 timeBufferInSeconds;
uint64 bidBufferBps;
uint64 startTimestamp;
uint64 endTimestamp;
address auctionCreator;
address assetContract;
address currency;
TokenType tokenType;
Status status;
}
/**
* @notice The information stored for a bid made in an auction.
*
* @param auctionId The unique ID of the auction.
* @param bidder The address of the bidder.
* @param bidAmount The total bid amount (in the currency specified by the auction).
*/
struct Bid {
uint256 auctionId;
address bidder;
uint256 bidAmount;
}
struct AuctionPayoutStatus {
bool paidOutAuctionTokens;
bool paidOutBidAmount;
}
/// @dev Emitted when a new auction is created.
event NewAuction(
address indexed auctionCreator,
uint256 indexed auctionId,
address indexed assetContract,
Auction auction
);
/// @dev Emitted when a new bid is made in an auction.
event NewBid(
uint256 indexed auctionId,
address indexed bidder,
address indexed assetContract,
uint256 bidAmount,
Auction auction
);
/// @notice Emitted when a auction is cancelled.
event CancelledAuction(address indexed auctionCreator, uint256 indexed auctionId);
/// @dev Emitted when an auction is closed.
event AuctionClosed(
uint256 indexed auctionId,
address indexed assetContract,
address indexed closer,
uint256 tokenId,
address auctionCreator,
address winningBidder
);
/**
* @notice Put up NFTs (ERC721 or ERC1155) for an english auction.
*
* @param _params The parameters of an auction a seller sets when creating an auction.
*
* @return auctionId The unique integer ID of the auction.
*/
function createAuction(AuctionParameters memory _params) external returns (uint256 auctionId);
/**
* @notice Cancel an auction.
*
* @param _auctionId The ID of the auction to cancel.
*/
function cancelAuction(uint256 _auctionId) external;
/**
* @notice Distribute the winning bid amount to the auction creator.
*
* @param _auctionId The ID of an auction.
*/
function collectAuctionPayout(uint256 _auctionId) external;
/**
* @notice Distribute the auctioned NFTs to the winning bidder.
*
* @param _auctionId The ID of an auction.
*/
function collectAuctionTokens(uint256 _auctionId) external;
/**
* @notice Bid in an active auction.
*
* @param _auctionId The ID of the auction to bid in.
* @param _bidAmount The bid amount in the currency specified by the auction.
*/
function bidInAuction(uint256 _auctionId, uint256 _bidAmount) external payable;
/**
* @notice Returns whether a given bid amount would make for a winning bid in an auction.
*
* @param _auctionId The ID of an auction.
* @param _bidAmount The bid amount to check.
*/
function isNewWinningBid(uint256 _auctionId, uint256 _bidAmount) external view returns (bool);
/// @notice Returns the auction of the provided auction ID.
function getAuction(uint256 _auctionId) external view returns (Auction memory auction);
/// @notice Returns all non-cancelled auctions.
function getAllAuctions(uint256 _startId, uint256 _endId) external view returns (Auction[] memory auctions);
/// @notice Returns all active auctions.
function getAllValidAuctions(uint256 _startId, uint256 _endId) external view returns (Auction[] memory auctions);
/// @notice Returns the winning bid of an active auction.
function getWinningBid(
uint256 _auctionId
) external view returns (address bidder, address currency, uint256 bidAmount);
/// @notice Returns whether an auction is active.
function isAuctionExpired(uint256 _auctionId) external view returns (bool);
}
/**
* The `Offers` extension smart contract lets you make and accept offers made for NFTs (ERC-721 or ERC-1155).
*/
interface IOffers {
enum TokenType {
ERC721,
ERC1155,
ERC20
}
enum Status {
UNSET,
CREATED,
COMPLETED,
CANCELLED
}
/**
* @notice The parameters an offeror sets when making an offer for NFTs.
*
* @param assetContract The contract of the NFTs for which the offer is being made.
* @param tokenId The tokenId of the NFT for which the offer is being made.
* @param quantity The quantity of NFTs wanted.
* @param currency The currency offered for the NFTs.
* @param totalPrice The total offer amount for the NFTs.
* @param expirationTimestamp The timestamp at and after which the offer cannot be accepted.
*/
struct OfferParams {
address assetContract;
uint256 tokenId;
uint256 quantity;
address currency;
uint256 totalPrice;
uint256 expirationTimestamp;
}
/**
* @notice The information stored for the offer made.
*
* @param offerId The ID of the offer.
* @param offeror The address of the offeror.
* @param assetContract The contract of the NFTs for which the offer is being made.
* @param tokenId The tokenId of the NFT for which the offer is being made.
* @param quantity The quantity of NFTs wanted.
* @param currency The currency offered for the NFTs.
* @param totalPrice The total offer amount for the NFTs.
* @param expirationTimestamp The timestamp at and after which the offer cannot be accepted.
* @param status The status of the offer (created, completed, or cancelled).
* @param tokenType The type of token (ERC-721 or ERC-1155) the offer is made for.
*/
struct Offer {
uint256 offerId;
uint256 tokenId;
uint256 quantity;
uint256 totalPrice;
uint256 expirationTimestamp;
address offeror;
address assetContract;
address currency;
TokenType tokenType;
Status status;
}
/// @dev Emitted when a new offer is created.
event NewOffer(address indexed offeror, uint256 indexed offerId, address indexed assetContract, Offer offer);
/// @dev Emitted when an offer is cancelled.
event CancelledOffer(address indexed offeror, uint256 indexed offerId);
/// @dev Emitted when an offer is accepted.
event AcceptedOffer(
address indexed offeror,
uint256 indexed offerId,
address indexed assetContract,
uint256 tokenId,
address seller,
uint256 quantityBought,
uint256 totalPricePaid
);
/**
* @notice Make an offer for NFTs (ERC-721 or ERC-1155)
*
* @param _params The parameters of an offer.
*
* @return offerId The unique integer ID assigned to the offer.
*/
function makeOffer(OfferParams memory _params) external returns (uint256 offerId);
/**
* @notice Cancel an offer.
*
* @param _offerId The ID of the offer to cancel.
*/
function cancelOffer(uint256 _offerId) external;
/**
* @notice Accept an offer.
*
* @param _offerId The ID of the offer to accept.
*/
function acceptOffer(uint256 _offerId) external;
/// @notice Returns an offer for the given offer ID.
function getOffer(uint256 _offerId) external view returns (Offer memory offer);
/// @notice Returns all active (i.e. non-expired or cancelled) offers.
function getAllOffers(uint256 _startId, uint256 _endId) external view returns (Offer[] memory offers);
/// @notice Returns all valid offers. An offer is valid if the offeror owns and has approved Marketplace to transfer the offer amount of currency.
function getAllValidOffers(uint256 _startId, uint256 _endId) external view returns (Offer[] memory offers);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;
/// @author thirdweb
import "./OffersStorage.sol";
// ====== External imports ======
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import "../../../eip/interface/IERC721.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/interfaces/IERC2981.sol";
// ====== Internal imports ======
import "../../../extension/interface/IPlatformFee.sol";
import "../../../extension/upgradeable/ERC2771ContextConsumer.sol";
import "../../../extension/upgradeable/ReentrancyGuard.sol";
import "../../../extension/upgradeable/PermissionsEnumerable.sol";
import { RoyaltyPaymentsLogic } from "../../../extension/upgradeable/RoyaltyPayments.sol";
import { CurrencyTransferLib } from "../../../lib/CurrencyTransferLib.sol";
/**
* @author thirdweb.com
*/
contract OffersLogic is IOffers, ReentrancyGuard, ERC2771ContextConsumer {
/*///////////////////////////////////////////////////////////////
Constants / Immutables
//////////////////////////////////////////////////////////////*/
/// @dev Can create offer for only assets from NFT contracts with asset role, when offers are restricted by asset address.
bytes32 private constant ASSET_ROLE = keccak256("ASSET_ROLE");
/// @dev The max bps of the contract. So, 10_000 == 100 %
uint64 private constant MAX_BPS = 10_000;
address public constant DEFAULT_FEE_RECIPIENT = 0x1Af20C6B23373350aD464700B5965CE4B0D2aD94;
uint16 private constant DEFAULT_FEE_BPS = 100;
/*///////////////////////////////////////////////////////////////
Modifiers
//////////////////////////////////////////////////////////////*/
modifier onlyAssetRole(address _asset) {
require(Permissions(address(this)).hasRoleWithSwitch(ASSET_ROLE, _asset), "!ASSET_ROLE");
_;
}
/// @dev Checks whether caller is a offer creator.
modifier onlyOfferor(uint256 _offerId) {
require(_offersStorage().offers[_offerId].offeror == _msgSender(), "!Offeror");
_;
}
/// @dev Checks whether an auction exists.
modifier onlyExistingOffer(uint256 _offerId) {
require(_offersStorage().offers[_offerId].status == IOffers.Status.CREATED, "Marketplace: invalid offer.");
_;
}
/*///////////////////////////////////////////////////////////////
Constructor logic
//////////////////////////////////////////////////////////////*/
constructor() {}
/*///////////////////////////////////////////////////////////////
External functions
//////////////////////////////////////////////////////////////*/
function makeOffer(
OfferParams memory _params
) external onlyAssetRole(_params.assetContract) returns (uint256 _offerId) {
_offerId = _getNextOfferId();
address _offeror = _msgSender();
TokenType _tokenType = _getTokenType(_params.assetContract);
_validateNewOffer(_params, _tokenType);
Offer memory _offer = Offer({
offerId: _offerId,
offeror: _offeror,
assetContract: _params.assetContract,
tokenId: _params.tokenId,
tokenType: _tokenType,
quantity: _params.quantity,
currency: _params.currency,
totalPrice: _params.totalPrice,
expirationTimestamp: _params.expirationTimestamp,
status: IOffers.Status.CREATED
});
_offersStorage().offers[_offerId] = _offer;
emit NewOffer(_offeror, _offerId, _params.assetContract, _offer);
}
function cancelOffer(uint256 _offerId) external onlyExistingOffer(_offerId) onlyOfferor(_offerId) {
_offersStorage().offers[_offerId].status = IOffers.Status.CANCELLED;
emit CancelledOffer(_msgSender(), _offerId);
}
function acceptOffer(uint256 _offerId) external nonReentrant onlyExistingOffer(_offerId) {
Offer memory _targetOffer = _offersStorage().offers[_offerId];
require(_targetOffer.expirationTimestamp > block.timestamp, "EXPIRED");
require(
_validateERC20BalAndAllowance(_targetOffer.offeror, _targetOffer.currency, _targetOffer.totalPrice),
"Marketplace: insufficient currency balance."
);
_validateOwnershipAndApproval(
_msgSender(),
_targetOffer.assetContract,
_targetOffer.tokenId,
_targetOffer.quantity,
_targetOffer.tokenType
);
_offersStorage().offers[_offerId].status = IOffers.Status.COMPLETED;
_payout(_targetOffer.offeror, _msgSender(), _targetOffer.currency, _targetOffer.totalPrice, _targetOffer);
_transferOfferTokens(_msgSender(), _targetOffer.offeror, _targetOffer.quantity, _targetOffer);
emit AcceptedOffer(
_targetOffer.offeror,
_targetOffer.offerId,
_targetOffer.assetContract,
_targetOffer.tokenId,
_msgSender(),
_targetOffer.quantity,
_targetOffer.totalPrice
);
}
/*///////////////////////////////////////////////////////////////
View functions
//////////////////////////////////////////////////////////////*/
/// @dev Returns total number of offers
function totalOffers() public view returns (uint256) {
return _offersStorage().totalOffers;
}
/// @dev Returns existing offer with the given uid.
function getOffer(uint256 _offerId) external view returns (Offer memory _offer) {
_offer = _offersStorage().offers[_offerId];
}
/// @dev Returns all existing offers within the specified range.
function getAllOffers(uint256 _startId, uint256 _endId) external view returns (Offer[] memory _allOffers) {
require(_startId <= _endId && _endId < _offersStorage().totalOffers, "invalid range");
_allOffers = new Offer[](_endId - _startId + 1);
for (uint256 i = _startId; i <= _endId; i += 1) {
_allOffers[i - _startId] = _offersStorage().offers[i];
}
}
/// @dev Returns offers within the specified range, where offeror has sufficient balance.
function getAllValidOffers(uint256 _startId, uint256 _endId) external view returns (Offer[] memory _validOffers) {
require(_startId <= _endId && _endId < _offersStorage().totalOffers, "invalid range");
Offer[] memory _offers = new Offer[](_endId - _startId + 1);
uint256 _offerCount;
for (uint256 i = _startId; i <= _endId; i += 1) {
uint256 j = i - _startId;
_offers[j] = _offersStorage().offers[i];
if (_validateExistingOffer(_offers[j])) {
_offerCount += 1;
}
}
_validOffers = new Offer[](_offerCount);
uint256 index = 0;
uint256 count = _offers.length;
for (uint256 i = 0; i < count; i += 1) {
if (_validateExistingOffer(_offers[i])) {
_validOffers[index++] = _offers[i];
}
}
}
/*///////////////////////////////////////////////////////////////
Internal functions
//////////////////////////////////////////////////////////////*/
/// @dev Returns the next offer Id.
function _getNextOfferId() internal returns (uint256 id) {
id = _offersStorage().totalOffers;
_offersStorage().totalOffers += 1;
}
/// @dev Returns the interface supported by a contract.
function _getTokenType(address _assetContract) internal view returns (TokenType tokenType) {
if (IERC165(_assetContract).supportsInterface(type(IERC1155).interfaceId)) {
tokenType = TokenType.ERC1155;
} else if (IERC165(_assetContract).supportsInterface(type(IERC721).interfaceId)) {
tokenType = TokenType.ERC721;
} else {
revert("Marketplace: token must be ERC1155 or ERC721.");
}
}
/// @dev Checks whether the auction creator owns and has approved marketplace to transfer auctioned tokens.
function _validateNewOffer(OfferParams memory _params, TokenType _tokenType) internal view {
require(_params.totalPrice > 0, "zero price.");
require(_params.quantity > 0, "Marketplace: wanted zero tokens.");
require(_params.quantity == 1 || _tokenType == TokenType.ERC1155, "Marketplace: wanted invalid quantity.");
require(
_params.expirationTimestamp + 60 minutes > block.timestamp,
"Marketplace: invalid expiration timestamp."
);
require(
_validateERC20BalAndAllowance(_msgSender(), _params.currency, _params.totalPrice),
"Marketplace: insufficient currency balance."
);
}
/// @dev Checks whether the offer exists, is active, and if the offeror has sufficient balance.
function _validateExistingOffer(Offer memory _targetOffer) internal view returns (bool isValid) {
isValid =
_targetOffer.expirationTimestamp > block.timestamp &&
_targetOffer.status == IOffers.Status.CREATED &&
_validateERC20BalAndAllowance(_targetOffer.offeror, _targetOffer.currency, _targetOffer.totalPrice);
}
/// @dev Validates that `_tokenOwner` owns and has approved Marketplace to transfer NFTs.
function _validateOwnershipAndApproval(
address _tokenOwner,
address _assetContract,
uint256 _tokenId,
uint256 _quantity,
TokenType _tokenType
) internal view {
address market = address(this);
bool isValid;
if (_tokenType == TokenType.ERC1155) {
isValid =
IERC1155(_assetContract).balanceOf(_tokenOwner, _tokenId) >= _quantity &&
IERC1155(_assetContract).isApprovedForAll(_tokenOwner, market);
} else if (_tokenType == TokenType.ERC721) {
isValid =
IERC721(_assetContract).ownerOf(_tokenId) == _tokenOwner &&
(IERC721(_assetContract).getApproved(_tokenId) == market ||
IERC721(_assetContract).isApprovedForAll(_tokenOwner, market));
}
require(isValid, "Marketplace: not owner or approved tokens.");
}
/// @dev Validates that `_tokenOwner` owns and has approved Markeplace to transfer the appropriate amount of currency
function _validateERC20BalAndAllowance(
address _tokenOwner,
address _currency,
uint256 _amount
) internal view returns (bool isValid) {
isValid =
IERC20(_currency).balanceOf(_tokenOwner) >= _amount &&
IERC20(_currency).allowance(_tokenOwner, address(this)) >= _amount;
}
/// @dev Transfers tokens.
function _transferOfferTokens(address _from, address _to, uint256 _quantity, Offer memory _offer) internal {
if (_offer.tokenType == TokenType.ERC1155) {
IERC1155(_offer.assetContract).safeTransferFrom(_from, _to, _offer.tokenId, _quantity, "");
} else if (_offer.tokenType == TokenType.ERC721) {
IERC721(_offer.assetContract).safeTransferFrom(_from, _to, _offer.tokenId, "");
}
}
/// @dev Pays out stakeholders in a sale.
function _payout(
address _payer,
address _payee,
address _currencyToUse,
uint256 _totalPayoutAmount,
Offer memory _offer
) internal {
uint256 amountRemaining;
// Payout platform fee
{
uint256 platformFeesTw = (_totalPayoutAmount * DEFAULT_FEE_BPS) / MAX_BPS;
(address platformFeeRecipient, uint16 platformFeeBps) = IPlatformFee(address(this)).getPlatformFeeInfo();
uint256 platformFeeCut = (_totalPayoutAmount * platformFeeBps) / MAX_BPS;
// Transfer platform fee
CurrencyTransferLib.transferCurrencyWithWrapper(
_currencyToUse,
_payer,
DEFAULT_FEE_RECIPIENT,
platformFeesTw,
address(0)
);
CurrencyTransferLib.transferCurrencyWithWrapper(
_currencyToUse,
_payer,
platformFeeRecipient,
platformFeeCut,
address(0)
);
amountRemaining = _totalPayoutAmount - platformFeeCut - platformFeesTw;
}
// Payout royalties
{
// Get royalty recipients and amounts
(address payable[] memory recipients, uint256[] memory amounts) = RoyaltyPaymentsLogic(address(this))
.getRoyalty(_offer.assetContract, _offer.tokenId, _totalPayoutAmount);
uint256 royaltyRecipientCount = recipients.length;
if (royaltyRecipientCount != 0) {
uint256 royaltyCut;
address royaltyRecipient;
for (uint256 i = 0; i < royaltyRecipientCount; ) {
royaltyRecipient = recipients[i];
royaltyCut = amounts[i];
// Check payout amount remaining is enough to cover royalty payment
require(amountRemaining >= royaltyCut, "fees exceed the price");
// Transfer royalty
CurrencyTransferLib.transferCurrencyWithWrapper(
_currencyToUse,
_payer,
royaltyRecipient,
royaltyCut,
address(0)
);
unchecked {
amountRemaining -= royaltyCut;
++i;
}
}
}
}
// Distribute price to token owner
CurrencyTransferLib.transferCurrencyWithWrapper(_currencyToUse, _payer, _payee, amountRemaining, address(0));
}
/// @dev Returns the Offers storage.
function _offersStorage() internal pure returns (OffersStorage.Data storage data) {
data = OffersStorage.data();
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;
/// @author thirdweb
import { IOffers } from "../IMarketplace.sol";
/**
* @author thirdweb.com
*/
library OffersStorage {
/// @custom:storage-location erc7201:offers.storage
/// @dev keccak256(abi.encode(uint256(keccak256("offers.storage")) - 1)) & ~bytes32(uint256(0xff))
bytes32 public constant OFFERS_STORAGE_POSITION =
0x8f8effea55e8d961f30e12024b944289ed8a7f60abcf4b3989df2dc98a914300;
struct Data {
uint256 totalOffers;
mapping(uint256 => IOffers.Offer) offers;
}
function data() internal pure returns (Data storage data_) {
bytes32 position = OFFERS_STORAGE_POSITION;
assembly {
data_.slot := position
}
}
}