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| Set Approval For... | 24469765 | 33 days ago | IN | 0 ETH | 0.00005178 | ||||
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Contract Name:
ValeriaBoosterCases
Compiler Version
v0.8.22+commit.4fc1097e
Optimization Enabled:
Yes with 5000 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT
pragma solidity 0.8.22;
import {MerkleProof} from "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import {AccessControl} from "@openzeppelin/contracts/access/AccessControl.sol";
import {ERC2771Context, Context} from "@openzeppelin/contracts/metatx/ERC2771Context.sol";
import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import {ERC1155OpenZeppelin, ERC1155C} from "@limitbreak/creator-token-contracts/contracts/erc1155c/ERC1155C.sol";
import {ERC2981, BasicRoyalties} from "@limitbreak/creator-token-contracts/contracts/programmable-royalties/BasicRoyalties.sol";
import {IValeriaBoosterCases} from "./interfaces/IValeriaBoosterCases.sol";
import {IDelegationRegistry} from "./interfaces/IDelegationRegistry.sol";
/**
__ __ _ _
\ \ / /_ _| | ___ _ __(_) __ _
\ \ / / _` | |/ _ \ '__| |/ _` |
\ V / (_| | | __/ | | | (_| |
\_/ \__,_|_|\___|_| |_|\__,_|
*/
/// @title ValeriaBoosterCases
/// @notice Booster cases for Valeria games that come in cases (12 boxes) or individual boxes.
/// @author @ValeriaStudios
contract ValeriaBoosterCases is
AccessControl,
ERC2771Context,
ERC1155C,
BasicRoyalties,
IValeriaBoosterCases
{
bytes32 public constant MODERATOR_ROLE = keccak256("MODERATOR_ROLE");
bytes32 public constant EXTERNAL_CONTRACT_ROLE =
keccak256("EXTERNAL_CONTRACT_ROLE");
/// @notice The token id for a box item
uint256 public constant BOX_ITEM_ID = 1;
/// @notice The token id for a case item
uint256 public constant CASE_ITEM_ID = 2;
/// @notice The merkle root for whitelist snapshot
bytes32 public merkleRoot;
/// @notice The total supply of boxes (1 case represents 12 boxes)
uint256 public maxSupply = 3996; /// ~333 boxes
/// @notice The total supply minted
uint256 public mintedSupply = 0;
/// @notice An individual box price
uint256 public boxPrice = 0.036 ether;
/// @notice A discounted case price
uint256 public casePrice = 0.27 ether;
/// @notice The mint start time
uint256 public liveAt = 1702321200;
/// @notice The mint end time
uint256 public endsAt = 1702407600;
/// @notice Public mint status
bool public isPublicLive = false;
/// @notice Delegation registry
address public delegationRegistryAddress;
error InvalidMerkle();
error MaxSupplyReached();
error InsufficientFunds();
error PhaseNotLive();
error InvalidDelegate();
error FailedToWithdraw();
modifier isDelegate(address vault) {
bool isDelegateValid = IDelegationRegistry(delegationRegistryAddress)
.checkDelegateForContract(_msgSender(), vault, address(this));
if (!isDelegateValid) revert InvalidDelegate();
_;
}
constructor(
address _trustedForwarder,
string memory _uri,
address royaltyReceiver_,
uint96 royaltyFeeNumerator_,
address delegationRegistryAddress_
)
ERC2771Context(_trustedForwarder)
ERC1155OpenZeppelin(_uri)
BasicRoyalties(royaltyReceiver_, royaltyFeeNumerator_)
{
_grantRole(DEFAULT_ADMIN_ROLE, _msgSender());
_grantRole(MODERATOR_ROLE, _msgSender());
delegationRegistryAddress = delegationRegistryAddress_;
}
function name() external pure returns (string memory) {
return "Valeria Booster Cases";
}
function symbol() external pure returns (string memory) {
return "VALBOX";
}
/**
* MINTING
*/
function whitelistMint(
bytes32[] calldata proof,
bool isCase
) external payable {
_whitelistMint(proof, isCase, _msgSender());
}
function whitelistMintDelegate(
bytes32[] calldata proof,
bool isCase,
address vault
) external payable isDelegate(vault) {
_whitelistMint(proof, isCase, vault);
}
function _whitelistMint(
bytes32[] calldata proof,
bool isCase,
address vault
) internal {
if (
isPublicLive || block.timestamp < liveAt || block.timestamp > endsAt
) revert PhaseNotLive();
if (
!MerkleProof.verify(
proof,
merkleRoot,
keccak256(abi.encodePacked(vault))
)
) revert InvalidMerkle();
internalMint(isCase, vault);
}
function mint(bool isCase) external payable {
if (!isPublicLive) revert PhaseNotLive();
internalMint(isCase, _msgSender());
}
function mintDelegate(
bool isCase,
address vault
) external payable isDelegate(vault) {
if (!isPublicLive) revert PhaseNotLive();
internalMint(isCase, vault);
}
/**
* @dev Internal impl mint. Cases add +12 supply.
* @param isCase Boolean of whether the mint is a case or a box
* @param vault The address to mint to
*/
function internalMint(bool isCase, address vault) internal {
if (isCase) {
if (casePrice != msg.value) revert InsufficientFunds();
if (mintedSupply + 12 > maxSupply) revert MaxSupplyReached();
mintedSupply += 12;
_mint(vault, CASE_ITEM_ID, 1, "");
} else {
if (boxPrice != msg.value) revert InsufficientFunds();
if (mintedSupply + 1 > maxSupply) revert MaxSupplyReached();
mintedSupply += 1;
_mint(vault, BOX_ITEM_ID, 1, "");
}
}
/**
* EXTERNAL CONTRACT INTEGRATION
*/
/// @dev Allows an external contract w/ role to burn an item
function burnItem(
address owner,
uint256 typeId,
uint256 amount
) external onlyRole(EXTERNAL_CONTRACT_ROLE) {
_burn(owner, typeId, amount);
}
/// @dev Allows an external contract w/ role to burn in batch
function burnItems(
address owner,
uint256[] calldata typeIds,
uint256[] calldata amounts
) external onlyRole(EXTERNAL_CONTRACT_ROLE) {
_burnBatch(owner, typeIds, amounts);
}
/// @dev Allows a bulk transfer
function bulkSafeTransfer(
uint256 typeId,
uint256 amount,
address[] calldata recipients
) external {
for (uint256 i; i < recipients.length; i++) {
safeTransferFrom(_msgSender(), recipients[i], typeId, amount, "");
}
}
/**
* MODERATOR
*/
/// @dev Permissions check
function _requireCallerIsContractOwner() internal view virtual override {
_checkRole(MODERATOR_ROLE);
}
/**
* @notice Sets the delegation registry address
* @param _delegationRegistryAddress The delegation registry address to use
*/
function setDelegationRegistryAddress(
address _delegationRegistryAddress
) external onlyRole(MODERATOR_ROLE) {
delegationRegistryAddress = _delegationRegistryAddress;
}
/// @dev Allows a moderator to change the public mint state
function setPublicLive(bool _isPublicLive) public onlyRole(MODERATOR_ROLE) {
isPublicLive = _isPublicLive;
}
/// @dev Allows a moderator to change the merkle root
function setMerkleRoot(
bytes32 _merkleRoot
) public onlyRole(MODERATOR_ROLE) {
merkleRoot = _merkleRoot;
}
/// @dev Allows a moderator to change the mint window
function setMintWindow(
uint256 _liveAt,
uint256 _endsAt
) public onlyRole(MODERATOR_ROLE) {
liveAt = _liveAt;
endsAt = _endsAt;
}
/// @dev Allows a moderator to change the prices for box and case
function setPrices(
uint256 _boxPrice,
uint256 _casePrice
) public onlyRole(MODERATOR_ROLE) {
boxPrice = _boxPrice;
casePrice = _casePrice;
}
/// @dev Allows a moderator to change the base uri
function setURI(string memory _uri) public onlyRole(MODERATOR_ROLE) {
_setURI(_uri);
}
/// @dev Configure default royalty
function setDefaultRoyalty(
address receiver,
uint96 feeNumerator
) public onlyRole(MODERATOR_ROLE) {
_setDefaultRoyalty(receiver, feeNumerator);
}
/// @dev Configure ongoing royalties
function setTokenRoyalty(
uint256 tokenId,
address receiver,
uint96 feeNumerator
) public onlyRole(MODERATOR_ROLE) {
_setTokenRoyalty(tokenId, receiver, feeNumerator);
}
/// @dev Allows a moderator to mint a single item
function moderatorBoxMint(
address to,
uint256 amount
) external onlyRole(MODERATOR_ROLE) {
mintedSupply += amount;
_mint(to, BOX_ITEM_ID, amount, "");
}
/// @dev Allows a moderator to mint a single item
function moderatorCaseMint(
address to,
uint256 amount
) external onlyRole(MODERATOR_ROLE) {
mintedSupply += amount * 12;
_mint(to, CASE_ITEM_ID, amount, "");
}
/// @notice Withdraw any eth
function withdraw() external onlyRole(MODERATOR_ROLE) {
(bool success, ) = payable(_msgSender()).call{
value: address(this).balance
}("");
if (!success) revert FailedToWithdraw();
}
// ========================================
// Native meta transactions
// ========================================
function _msgSender()
internal
view
virtual
override(ERC2771Context, Context)
returns (address)
{
return ERC2771Context._msgSender();
}
function _msgData()
internal
view
virtual
override(ERC2771Context, Context)
returns (bytes calldata)
{
return ERC2771Context._msgData();
}
function supportsInterface(
bytes4 interfaceId
)
public
view
virtual
override(ERC1155C, ERC2981, AccessControl)
returns (bool)
{
return super.supportsInterface(interfaceId);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/utils/Context.sol";
abstract contract OwnablePermissions is Context {
function _requireCallerIsContractOwner() internal view virtual;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "../utils/CreatorTokenBase.sol";
import "../token/erc1155/ERC1155OpenZeppelin.sol";
/**
* @title ERC1155C
* @author Limit Break, Inc.
* @notice Extends OpenZeppelin's ERC1155 implementation with Creator Token functionality, which
* allows the contract owner to update the transfer validation logic by managing a security policy in
* an external transfer validation security policy registry. See {CreatorTokenTransferValidator}.
*/
abstract contract ERC1155C is ERC1155OpenZeppelin, CreatorTokenBase {
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(ICreatorToken).interfaceId || super.supportsInterface(interfaceId);
}
/// @dev Ties the open-zeppelin _beforeTokenTransfer hook to more granular transfer validation logic
function _beforeTokenTransfer(
address /*operator*/,
address from,
address to,
uint256[] memory ids,
uint256[] memory /*amounts*/,
bytes memory /*data*/
) internal virtual override {
uint256 idsArrayLength = ids.length;
for (uint256 i = 0; i < idsArrayLength;) {
_validateBeforeTransfer(from, to, ids[i]);
unchecked {
++i;
}
}
}
/// @dev Ties the open-zeppelin _afterTokenTransfer hook to more granular transfer validation logic
function _afterTokenTransfer(
address /*operator*/,
address from,
address to,
uint256[] memory ids,
uint256[] memory /*amounts*/,
bytes memory /*data*/
) internal virtual override {
uint256 idsArrayLength = ids.length;
for (uint256 i = 0; i < idsArrayLength;) {
_validateAfterTransfer(from, to, ids[i]);
unchecked {
++i;
}
}
}
}
/**
* @title ERC1155CInitializable
* @author Limit Break, Inc.
* @notice Initializable implementation of ERC1155C to allow for EIP-1167 proxy clones.
*/
abstract contract ERC1155CInitializable is ERC1155OpenZeppelinInitializable, CreatorTokenBase {
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(ICreatorToken).interfaceId || super.supportsInterface(interfaceId);
}
/// @dev Ties the open-zeppelin _beforeTokenTransfer hook to more granular transfer validation logic
function _beforeTokenTransfer(
address /*operator*/,
address from,
address to,
uint256[] memory ids,
uint256[] memory /*amounts*/,
bytes memory /*data*/
) internal virtual override {
uint256 idsArrayLength = ids.length;
for (uint256 i = 0; i < idsArrayLength;) {
_validateBeforeTransfer(from, to, ids[i]);
unchecked {
++i;
}
}
}
/// @dev Ties the open-zeppelin _afterTokenTransfer hook to more granular transfer validation logic
function _afterTokenTransfer(
address /*operator*/,
address from,
address to,
uint256[] memory ids,
uint256[] memory /*amounts*/,
bytes memory /*data*/
) internal virtual override {
uint256 idsArrayLength = ids.length;
for (uint256 i = 0; i < idsArrayLength;) {
_validateAfterTransfer(from, to, ids[i]);
unchecked {
++i;
}
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "../interfaces/ICreatorTokenTransferValidator.sol";
interface ICreatorToken {
event TransferValidatorUpdated(address oldValidator, address newValidator);
function getTransferValidator() external view returns (ICreatorTokenTransferValidator);
function getSecurityPolicy() external view returns (CollectionSecurityPolicy memory);
function getWhitelistedOperators() external view returns (address[] memory);
function getPermittedContractReceivers() external view returns (address[] memory);
function isOperatorWhitelisted(address operator) external view returns (bool);
function isContractReceiverPermitted(address receiver) external view returns (bool);
function isTransferAllowed(address caller, address from, address to) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "./IEOARegistry.sol";
import "./ITransferSecurityRegistry.sol";
import "./ITransferValidator.sol";
interface ICreatorTokenTransferValidator is ITransferSecurityRegistry, ITransferValidator, IEOARegistry {}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
interface IEOARegistry is IERC165 {
function isVerifiedEOA(address account) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "../utils/TransferPolicy.sol";
interface ITransferSecurityRegistry {
event AddedToAllowlist(AllowlistTypes indexed kind, uint256 indexed id, address indexed account);
event CreatedAllowlist(AllowlistTypes indexed kind, uint256 indexed id, string indexed name);
event ReassignedAllowlistOwnership(AllowlistTypes indexed kind, uint256 indexed id, address indexed newOwner);
event RemovedFromAllowlist(AllowlistTypes indexed kind, uint256 indexed id, address indexed account);
event SetAllowlist(AllowlistTypes indexed kind, address indexed collection, uint120 indexed id);
event SetTransferSecurityLevel(address indexed collection, TransferSecurityLevels level);
function createOperatorWhitelist(string calldata name) external returns (uint120);
function createPermittedContractReceiverAllowlist(string calldata name) external returns (uint120);
function reassignOwnershipOfOperatorWhitelist(uint120 id, address newOwner) external;
function reassignOwnershipOfPermittedContractReceiverAllowlist(uint120 id, address newOwner) external;
function renounceOwnershipOfOperatorWhitelist(uint120 id) external;
function renounceOwnershipOfPermittedContractReceiverAllowlist(uint120 id) external;
function setTransferSecurityLevelOfCollection(address collection, TransferSecurityLevels level) external;
function setOperatorWhitelistOfCollection(address collection, uint120 id) external;
function setPermittedContractReceiverAllowlistOfCollection(address collection, uint120 id) external;
function addOperatorToWhitelist(uint120 id, address operator) external;
function addPermittedContractReceiverToAllowlist(uint120 id, address receiver) external;
function removeOperatorFromWhitelist(uint120 id, address operator) external;
function removePermittedContractReceiverFromAllowlist(uint120 id, address receiver) external;
function getCollectionSecurityPolicy(address collection) external view returns (CollectionSecurityPolicy memory);
function getWhitelistedOperators(uint120 id) external view returns (address[] memory);
function getPermittedContractReceivers(uint120 id) external view returns (address[] memory);
function isOperatorWhitelisted(uint120 id, address operator) external view returns (bool);
function isContractReceiverPermitted(uint120 id, address receiver) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "../utils/TransferPolicy.sol";
interface ITransferValidator {
function applyCollectionTransferPolicy(address caller, address from, address to) external view;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/token/common/ERC2981.sol";
/**
* @title BasicRoyaltiesBase
* @author Limit Break, Inc.
* @dev Base functionality of an NFT mix-in contract implementing the most basic form of programmable royalties.
*/
abstract contract BasicRoyaltiesBase is ERC2981 {
event DefaultRoyaltySet(address indexed receiver, uint96 feeNumerator);
event TokenRoyaltySet(uint256 indexed tokenId, address indexed receiver, uint96 feeNumerator);
function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual override {
super._setDefaultRoyalty(receiver, feeNumerator);
emit DefaultRoyaltySet(receiver, feeNumerator);
}
function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) internal virtual override {
super._setTokenRoyalty(tokenId, receiver, feeNumerator);
emit TokenRoyaltySet(tokenId, receiver, feeNumerator);
}
}
/**
* @title BasicRoyalties
* @author Limit Break, Inc.
* @notice Constructable BasicRoyalties Contract implementation.
*/
abstract contract BasicRoyalties is BasicRoyaltiesBase {
constructor(address receiver, uint96 feeNumerator) {
_setDefaultRoyalty(receiver, feeNumerator);
}
}
/**
* @title BasicRoyaltiesInitializable
* @author Limit Break, Inc.
* @notice Initializable BasicRoyalties Contract implementation to allow for EIP-1167 clones.
*/
abstract contract BasicRoyaltiesInitializable is BasicRoyaltiesBase {}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "../../access/OwnablePermissions.sol";
import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
abstract contract ERC1155OpenZeppelinBase is ERC1155 {
}
abstract contract ERC1155OpenZeppelin is ERC1155OpenZeppelinBase {
constructor(string memory uri_) ERC1155(uri_) {}
}
abstract contract ERC1155OpenZeppelinInitializable is OwnablePermissions, ERC1155OpenZeppelinBase {
error ERC1155OpenZeppelinInitializable__AlreadyInitializedERC1155();
bool private _erc1155Initialized;
function initializeERC1155(string memory uri_) public {
_requireCallerIsContractOwner();
if(_erc1155Initialized) {
revert ERC1155OpenZeppelinInitializable__AlreadyInitializedERC1155();
}
_erc1155Initialized = true;
_setURI(uri_);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "../access/OwnablePermissions.sol";
import "../interfaces/ICreatorToken.sol";
import "../interfaces/ICreatorTokenTransferValidator.sol";
import "../utils/TransferValidation.sol";
import "@openzeppelin/contracts/interfaces/IERC165.sol";
/**
* @title CreatorTokenBase
* @author Limit Break, Inc.
* @notice CreatorTokenBase is an abstract contract that provides basic functionality for managing token
* transfer policies through an implementation of ICreatorTokenTransferValidator. This contract is intended to be used
* as a base for creator-specific token contracts, enabling customizable transfer restrictions and security policies.
*
* <h4>Features:</h4>
* <ul>Ownable: This contract can have an owner who can set and update the transfer validator.</ul>
* <ul>TransferValidation: Implements the basic token transfer validation interface.</ul>
* <ul>ICreatorToken: Implements the interface for creator tokens, providing view functions for token security policies.</ul>
*
* <h4>Benefits:</h4>
* <ul>Provides a flexible and modular way to implement custom token transfer restrictions and security policies.</ul>
* <ul>Allows creators to enforce policies such as whitelisted operators and permitted contract receivers.</ul>
* <ul>Can be easily integrated into other token contracts as a base contract.</ul>
*
* <h4>Intended Usage:</h4>
* <ul>Use as a base contract for creator token implementations that require advanced transfer restrictions and
* security policies.</ul>
* <ul>Set and update the ICreatorTokenTransferValidator implementation contract to enforce desired policies for the
* creator token.</ul>
*/
abstract contract CreatorTokenBase is OwnablePermissions, TransferValidation, ICreatorToken {
error CreatorTokenBase__InvalidTransferValidatorContract();
error CreatorTokenBase__SetTransferValidatorFirst();
address public constant DEFAULT_TRANSFER_VALIDATOR = address(0x0000721C310194CcfC01E523fc93C9cCcFa2A0Ac);
TransferSecurityLevels public constant DEFAULT_TRANSFER_SECURITY_LEVEL = TransferSecurityLevels.One;
uint120 public constant DEFAULT_OPERATOR_WHITELIST_ID = uint120(1);
ICreatorTokenTransferValidator private transferValidator;
/**
* @notice Allows the contract owner to set the transfer validator to the official validator contract
* and set the security policy to the recommended default settings.
* @dev May be overridden to change the default behavior of an individual collection.
*/
function setToDefaultSecurityPolicy() public virtual {
_requireCallerIsContractOwner();
setTransferValidator(DEFAULT_TRANSFER_VALIDATOR);
ICreatorTokenTransferValidator(DEFAULT_TRANSFER_VALIDATOR).setTransferSecurityLevelOfCollection(address(this), DEFAULT_TRANSFER_SECURITY_LEVEL);
ICreatorTokenTransferValidator(DEFAULT_TRANSFER_VALIDATOR).setOperatorWhitelistOfCollection(address(this), DEFAULT_OPERATOR_WHITELIST_ID);
}
/**
* @notice Allows the contract owner to set the transfer validator to a custom validator contract
* and set the security policy to their own custom settings.
*/
function setToCustomValidatorAndSecurityPolicy(
address validator,
TransferSecurityLevels level,
uint120 operatorWhitelistId,
uint120 permittedContractReceiversAllowlistId) public {
_requireCallerIsContractOwner();
setTransferValidator(validator);
ICreatorTokenTransferValidator(validator).
setTransferSecurityLevelOfCollection(address(this), level);
ICreatorTokenTransferValidator(validator).
setOperatorWhitelistOfCollection(address(this), operatorWhitelistId);
ICreatorTokenTransferValidator(validator).
setPermittedContractReceiverAllowlistOfCollection(address(this), permittedContractReceiversAllowlistId);
}
/**
* @notice Allows the contract owner to set the security policy to their own custom settings.
* @dev Reverts if the transfer validator has not been set.
*/
function setToCustomSecurityPolicy(
TransferSecurityLevels level,
uint120 operatorWhitelistId,
uint120 permittedContractReceiversAllowlistId) public {
_requireCallerIsContractOwner();
ICreatorTokenTransferValidator validator = getTransferValidator();
if (address(validator) == address(0)) {
revert CreatorTokenBase__SetTransferValidatorFirst();
}
validator.setTransferSecurityLevelOfCollection(address(this), level);
validator.setOperatorWhitelistOfCollection(address(this), operatorWhitelistId);
validator.setPermittedContractReceiverAllowlistOfCollection(address(this), permittedContractReceiversAllowlistId);
}
/**
* @notice Sets the transfer validator for the token contract.
*
* @dev Throws when provided validator contract is not the zero address and doesn't support
* the ICreatorTokenTransferValidator interface.
* @dev Throws when the caller is not the contract owner.
*
* @dev <h4>Postconditions:</h4>
* 1. The transferValidator address is updated.
* 2. The `TransferValidatorUpdated` event is emitted.
*
* @param transferValidator_ The address of the transfer validator contract.
*/
function setTransferValidator(address transferValidator_) public {
_requireCallerIsContractOwner();
bool isValidTransferValidator = false;
if(transferValidator_.code.length > 0) {
try IERC165(transferValidator_).supportsInterface(type(ICreatorTokenTransferValidator).interfaceId)
returns (bool supportsInterface) {
isValidTransferValidator = supportsInterface;
} catch {}
}
if(transferValidator_ != address(0) && !isValidTransferValidator) {
revert CreatorTokenBase__InvalidTransferValidatorContract();
}
emit TransferValidatorUpdated(address(transferValidator), transferValidator_);
transferValidator = ICreatorTokenTransferValidator(transferValidator_);
}
/**
* @notice Returns the transfer validator contract address for this token contract.
*/
function getTransferValidator() public view override returns (ICreatorTokenTransferValidator) {
return transferValidator;
}
/**
* @notice Returns the security policy for this token contract, which includes:
* Transfer security level, operator whitelist id, permitted contract receiver allowlist id.
*/
function getSecurityPolicy() public view override returns (CollectionSecurityPolicy memory) {
if (address(transferValidator) != address(0)) {
return transferValidator.getCollectionSecurityPolicy(address(this));
}
return CollectionSecurityPolicy({
transferSecurityLevel: TransferSecurityLevels.Zero,
operatorWhitelistId: 0,
permittedContractReceiversId: 0
});
}
/**
* @notice Returns the list of all whitelisted operators for this token contract.
* @dev This can be an expensive call and should only be used in view-only functions.
*/
function getWhitelistedOperators() public view override returns (address[] memory) {
if (address(transferValidator) != address(0)) {
return transferValidator.getWhitelistedOperators(
transferValidator.getCollectionSecurityPolicy(address(this)).operatorWhitelistId);
}
return new address[](0);
}
/**
* @notice Returns the list of permitted contract receivers for this token contract.
* @dev This can be an expensive call and should only be used in view-only functions.
*/
function getPermittedContractReceivers() public view override returns (address[] memory) {
if (address(transferValidator) != address(0)) {
return transferValidator.getPermittedContractReceivers(
transferValidator.getCollectionSecurityPolicy(address(this)).permittedContractReceiversId);
}
return new address[](0);
}
/**
* @notice Checks if an operator is whitelisted for this token contract.
* @param operator The address of the operator to check.
*/
function isOperatorWhitelisted(address operator) public view override returns (bool) {
if (address(transferValidator) != address(0)) {
return transferValidator.isOperatorWhitelisted(
transferValidator.getCollectionSecurityPolicy(address(this)).operatorWhitelistId, operator);
}
return false;
}
/**
* @notice Checks if a contract receiver is permitted for this token contract.
* @param receiver The address of the receiver to check.
*/
function isContractReceiverPermitted(address receiver) public view override returns (bool) {
if (address(transferValidator) != address(0)) {
return transferValidator.isContractReceiverPermitted(
transferValidator.getCollectionSecurityPolicy(address(this)).permittedContractReceiversId, receiver);
}
return false;
}
/**
* @notice Determines if a transfer is allowed based on the token contract's security policy. Use this function
* to simulate whether or not a transfer made by the specified `caller` from the `from` address to the `to`
* address would be allowed by this token's security policy.
*
* @notice This function only checks the security policy restrictions and does not check whether token ownership
* or approvals are in place.
*
* @param caller The address of the simulated caller.
* @param from The address of the sender.
* @param to The address of the receiver.
* @return True if the transfer is allowed, false otherwise.
*/
function isTransferAllowed(address caller, address from, address to) public view override returns (bool) {
if (address(transferValidator) != address(0)) {
try transferValidator.applyCollectionTransferPolicy(caller, from, to) {
return true;
} catch {
return false;
}
}
return true;
}
/**
* @dev Pre-validates a token transfer, reverting if the transfer is not allowed by this token's security policy.
* Inheriting contracts are responsible for overriding the _beforeTokenTransfer function, or its equivalent
* and calling _validateBeforeTransfer so that checks can be properly applied during token transfers.
*
* @dev Throws when the transfer doesn't comply with the collection's transfer policy, if the transferValidator is
* set to a non-zero address.
*
* @param caller The address of the caller.
* @param from The address of the sender.
* @param to The address of the receiver.
*/
function _preValidateTransfer(
address caller,
address from,
address to,
uint256 /*tokenId*/,
uint256 /*value*/) internal virtual override {
if (address(transferValidator) != address(0)) {
transferValidator.applyCollectionTransferPolicy(caller, from, to);
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
enum AllowlistTypes {
Operators,
PermittedContractReceivers
}
enum ReceiverConstraints {
None,
NoCode,
EOA
}
enum CallerConstraints {
None,
OperatorWhitelistEnableOTC,
OperatorWhitelistDisableOTC
}
enum StakerConstraints {
None,
CallerIsTxOrigin,
EOA
}
enum TransferSecurityLevels {
Zero,
One,
Two,
Three,
Four,
Five,
Six
}
struct TransferSecurityPolicy {
CallerConstraints callerConstraints;
ReceiverConstraints receiverConstraints;
}
struct CollectionSecurityPolicy {
TransferSecurityLevels transferSecurityLevel;
uint120 operatorWhitelistId;
uint120 permittedContractReceiversId;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/utils/Context.sol";
/**
* @title TransferValidation
* @author Limit Break, Inc.
* @notice A mix-in that can be combined with ERC-721 contracts to provide more granular hooks.
* Openzeppelin's ERC721 contract only provides hooks for before and after transfer. This allows
* developers to validate or customize transfers within the context of a mint, a burn, or a transfer.
*/
abstract contract TransferValidation is Context {
error ShouldNotMintToBurnAddress();
/// @dev Inheriting contracts should call this function in the _beforeTokenTransfer function to get more granular hooks.
function _validateBeforeTransfer(address from, address to, uint256 tokenId) internal virtual {
bool fromZeroAddress = from == address(0);
bool toZeroAddress = to == address(0);
if(fromZeroAddress && toZeroAddress) {
revert ShouldNotMintToBurnAddress();
} else if(fromZeroAddress) {
_preValidateMint(_msgSender(), to, tokenId, msg.value);
} else if(toZeroAddress) {
_preValidateBurn(_msgSender(), from, tokenId, msg.value);
} else {
_preValidateTransfer(_msgSender(), from, to, tokenId, msg.value);
}
}
/// @dev Inheriting contracts should call this function in the _afterTokenTransfer function to get more granular hooks.
function _validateAfterTransfer(address from, address to, uint256 tokenId) internal virtual {
bool fromZeroAddress = from == address(0);
bool toZeroAddress = to == address(0);
if(fromZeroAddress && toZeroAddress) {
revert ShouldNotMintToBurnAddress();
} else if(fromZeroAddress) {
_postValidateMint(_msgSender(), to, tokenId, msg.value);
} else if(toZeroAddress) {
_postValidateBurn(_msgSender(), from, tokenId, msg.value);
} else {
_postValidateTransfer(_msgSender(), from, to, tokenId, msg.value);
}
}
/// @dev Optional validation hook that fires before a mint
function _preValidateMint(address caller, address to, uint256 tokenId, uint256 value) internal virtual {}
/// @dev Optional validation hook that fires after a mint
function _postValidateMint(address caller, address to, uint256 tokenId, uint256 value) internal virtual {}
/// @dev Optional validation hook that fires before a burn
function _preValidateBurn(address caller, address from, uint256 tokenId, uint256 value) internal virtual {}
/// @dev Optional validation hook that fires after a burn
function _postValidateBurn(address caller, address from, uint256 tokenId, uint256 value) internal virtual {}
/// @dev Optional validation hook that fires before a transfer
function _preValidateTransfer(address caller, address from, address to, uint256 tokenId, uint256 value) internal virtual {}
/// @dev Optional validation hook that fires after a transfer
function _postValidateTransfer(address caller, address from, address to, uint256 tokenId, uint256 value) internal virtual {}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/AccessControl.sol)
pragma solidity ^0.8.0;
import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```solidity
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```solidity
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}
* to enforce additional security measures for this role.
*/
abstract contract AccessControl is Context, IAccessControl, ERC165 {
struct RoleData {
mapping(address => bool) members;
bytes32 adminRole;
}
mapping(bytes32 => RoleData) private _roles;
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/**
* @dev Modifier that checks that an account has a specific role. Reverts
* with a standardized message including the required role.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*
* _Available since v4.1._
*/
modifier onlyRole(bytes32 role) {
_checkRole(role);
_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
return _roles[role].members[account];
}
/**
* @dev Revert with a standard message if `_msgSender()` is missing `role`.
* Overriding this function changes the behavior of the {onlyRole} modifier.
*
* Format of the revert message is described in {_checkRole}.
*
* _Available since v4.6._
*/
function _checkRole(bytes32 role) internal view virtual {
_checkRole(role, _msgSender());
}
/**
* @dev Revert with a standard message if `account` is missing `role`.
*
* The format of the revert reason is given by the following regular expression:
*
* /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
*/
function _checkRole(bytes32 role, address account) internal view virtual {
if (!hasRole(role, account)) {
revert(
string(
abi.encodePacked(
"AccessControl: account ",
Strings.toHexString(account),
" is missing role ",
Strings.toHexString(uint256(role), 32)
)
)
);
}
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
return _roles[role].adminRole;
}
/**
* @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.
*
* May emit a {RoleGranted} event.
*/
function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleRevoked} event.
*/
function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
_revokeRole(role, account);
}
/**
* @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 revoked `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*
* May emit a {RoleRevoked} event.
*/
function renounceRole(bytes32 role, address account) public virtual override {
require(account == _msgSender(), "AccessControl: can only renounce roles for self");
_revokeRole(role, account);
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event. Note that unlike {grantRole}, this function doesn't perform any
* checks on the calling account.
*
* May emit a {RoleGranted} event.
*
* [WARNING]
* ====
* This function should only be called from the constructor when setting
* up the initial roles for the system.
*
* Using this function in any other way is effectively circumventing the admin
* system imposed by {AccessControl}.
* ====
*
* NOTE: This function is deprecated in favor of {_grantRole}.
*/
function _setupRole(bytes32 role, address account) internal virtual {
_grantRole(role, account);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
bytes32 previousAdminRole = getRoleAdmin(role);
_roles[role].adminRole = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
/**
* @dev Grants `role` to `account`.
*
* Internal function without access restriction.
*
* May emit a {RoleGranted} event.
*/
function _grantRole(bytes32 role, address account) internal virtual {
if (!hasRole(role, account)) {
_roles[role].members[account] = true;
emit RoleGranted(role, account, _msgSender());
}
}
/**
* @dev Revokes `role` from `account`.
*
* Internal function without access restriction.
*
* May emit a {RoleRevoked} event.
*/
function _revokeRole(bytes32 role, address account) internal virtual {
if (hasRole(role, account)) {
_roles[role].members[account] = false;
emit RoleRevoked(role, account, _msgSender());
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)
pragma solidity ^0.8.0;
/**
* @dev External interface of AccessControl declared to support ERC165 detection.
*/
interface IAccessControl {
/**
* @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: MIT // OpenZeppelin Contracts v4.4.1 (interfaces/IERC165.sol) pragma solidity ^0.8.0; import "../utils/introspection/IERC165.sol";
// 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 v4.9.3) (metatx/ERC2771Context.sol)
pragma solidity ^0.8.9;
import "../utils/Context.sol";
/**
* @dev Context variant with ERC2771 support.
*/
abstract contract ERC2771Context is Context {
/// @custom:oz-upgrades-unsafe-allow state-variable-immutable
address private immutable _trustedForwarder;
/// @custom:oz-upgrades-unsafe-allow constructor
constructor(address trustedForwarder) {
_trustedForwarder = trustedForwarder;
}
function isTrustedForwarder(address forwarder) public view virtual returns (bool) {
return forwarder == _trustedForwarder;
}
function _msgSender() internal view virtual override returns (address sender) {
if (isTrustedForwarder(msg.sender) && msg.data.length >= 20) {
// The assembly code is more direct than the Solidity version using `abi.decode`.
/// @solidity memory-safe-assembly
assembly {
sender := shr(96, calldataload(sub(calldatasize(), 20)))
}
} else {
return super._msgSender();
}
}
function _msgData() internal view virtual override returns (bytes calldata) {
if (isTrustedForwarder(msg.sender) && msg.data.length >= 20) {
return msg.data[:msg.data.length - 20];
} else {
return super._msgData();
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/common/ERC2981.sol)
pragma solidity ^0.8.0;
import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";
/**
* @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
*
* Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
* specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
*
* Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
* fee is specified in basis points by default.
*
* IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
* https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
* voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
*
* _Available since v4.5._
*/
abstract contract ERC2981 is IERC2981, ERC165 {
struct RoyaltyInfo {
address receiver;
uint96 royaltyFraction;
}
RoyaltyInfo private _defaultRoyaltyInfo;
mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @inheritdoc IERC2981
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice) public view virtual override returns (address, uint256) {
RoyaltyInfo memory royalty = _tokenRoyaltyInfo[tokenId];
if (royalty.receiver == address(0)) {
royalty = _defaultRoyaltyInfo;
}
uint256 royaltyAmount = (salePrice * royalty.royaltyFraction) / _feeDenominator();
return (royalty.receiver, royaltyAmount);
}
/**
* @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
* fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
* override.
*/
function _feeDenominator() internal pure virtual returns (uint96) {
return 10000;
}
/**
* @dev Sets the royalty information that all ids in this contract will default to.
*
* Requirements:
*
* - `receiver` cannot be the zero address.
* - `feeNumerator` cannot be greater than the fee denominator.
*/
function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
require(receiver != address(0), "ERC2981: invalid receiver");
_defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
}
/**
* @dev Removes default royalty information.
*/
function _deleteDefaultRoyalty() internal virtual {
delete _defaultRoyaltyInfo;
}
/**
* @dev Sets the royalty information for a specific token id, overriding the global default.
*
* Requirements:
*
* - `receiver` cannot be the zero address.
* - `feeNumerator` cannot be greater than the fee denominator.
*/
function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) internal virtual {
require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
require(receiver != address(0), "ERC2981: Invalid parameters");
_tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
}
/**
* @dev Resets royalty information for the token id back to the global default.
*/
function _resetTokenRoyalty(uint256 tokenId) internal virtual {
delete _tokenRoyaltyInfo[tokenId];
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC1155/ERC1155.sol)
pragma solidity ^0.8.0;
import "./IERC1155.sol";
import "./IERC1155Receiver.sol";
import "./extensions/IERC1155MetadataURI.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/introspection/ERC165.sol";
/**
* @dev Implementation of the basic standard multi-token.
* See https://eips.ethereum.org/EIPS/eip-1155
* Originally based on code by Enjin: https://github.com/enjin/erc-1155
*
* _Available since v3.1._
*/
contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
using Address for address;
// Mapping from token ID to account balances
mapping(uint256 => mapping(address => uint256)) private _balances;
// Mapping from account to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
// Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
string private _uri;
/**
* @dev See {_setURI}.
*/
constructor(string memory uri_) {
_setURI(uri_);
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC1155).interfaceId ||
interfaceId == type(IERC1155MetadataURI).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC1155MetadataURI-uri}.
*
* This implementation returns the same URI for *all* token types. It relies
* on the token type ID substitution mechanism
* https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
*
* Clients calling this function must replace the `\{id\}` substring with the
* actual token type ID.
*/
function uri(uint256) public view virtual override returns (string memory) {
return _uri;
}
/**
* @dev See {IERC1155-balanceOf}.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
require(account != address(0), "ERC1155: address zero is not a valid owner");
return _balances[id][account];
}
/**
* @dev See {IERC1155-balanceOfBatch}.
*
* Requirements:
*
* - `accounts` and `ids` must have the same length.
*/
function balanceOfBatch(
address[] memory accounts,
uint256[] memory ids
) public view virtual override returns (uint256[] memory) {
require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");
uint256[] memory batchBalances = new uint256[](accounts.length);
for (uint256 i = 0; i < accounts.length; ++i) {
batchBalances[i] = balanceOf(accounts[i], ids[i]);
}
return batchBalances;
}
/**
* @dev See {IERC1155-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
_setApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC1155-isApprovedForAll}.
*/
function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
return _operatorApprovals[account][operator];
}
/**
* @dev See {IERC1155-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) public virtual override {
require(
from == _msgSender() || isApprovedForAll(from, _msgSender()),
"ERC1155: caller is not token owner or approved"
);
_safeTransferFrom(from, to, id, amount, data);
}
/**
* @dev See {IERC1155-safeBatchTransferFrom}.
*/
function safeBatchTransferFrom(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) public virtual override {
require(
from == _msgSender() || isApprovedForAll(from, _msgSender()),
"ERC1155: caller is not token owner or approved"
);
_safeBatchTransferFrom(from, to, ids, amounts, data);
}
/**
* @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `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 memory data
) internal virtual {
require(to != address(0), "ERC1155: transfer to the zero address");
address operator = _msgSender();
uint256[] memory ids = _asSingletonArray(id);
uint256[] memory amounts = _asSingletonArray(amount);
_beforeTokenTransfer(operator, from, to, ids, amounts, data);
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
unchecked {
_balances[id][from] = fromBalance - amount;
}
_balances[id][to] += amount;
emit TransferSingle(operator, from, to, id, amount);
_afterTokenTransfer(operator, from, to, ids, amounts, data);
_doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
*
* Emits a {TransferBatch} event.
*
* Requirements:
*
* - 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[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
require(to != address(0), "ERC1155: transfer to the zero address");
address operator = _msgSender();
_beforeTokenTransfer(operator, from, to, ids, amounts, data);
for (uint256 i = 0; i < ids.length; ++i) {
uint256 id = ids[i];
uint256 amount = amounts[i];
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
unchecked {
_balances[id][from] = fromBalance - amount;
}
_balances[id][to] += amount;
}
emit TransferBatch(operator, from, to, ids, amounts);
_afterTokenTransfer(operator, from, to, ids, amounts, data);
_doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
}
/**
* @dev Sets a new URI for all token types, by relying on the token type ID
* substitution mechanism
* https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
*
* By this mechanism, any occurrence of the `\{id\}` substring in either the
* URI or any of the amounts in the JSON file at said URI will be replaced by
* clients with the token type ID.
*
* For example, the `https://token-cdn-domain/\{id\}.json` URI would be
* interpreted by clients as
* `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
* for token type ID 0x4cce0.
*
* See {uri}.
*
* Because these URIs cannot be meaningfully represented by the {URI} event,
* this function emits no events.
*/
function _setURI(string memory newuri) internal virtual {
_uri = newuri;
}
/**
* @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
* acceptance magic value.
*/
function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual {
require(to != address(0), "ERC1155: mint to the zero address");
address operator = _msgSender();
uint256[] memory ids = _asSingletonArray(id);
uint256[] memory amounts = _asSingletonArray(amount);
_beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
_balances[id][to] += amount;
emit TransferSingle(operator, address(0), to, id, amount);
_afterTokenTransfer(operator, address(0), to, ids, amounts, data);
_doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
*
* 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 _mintBatch(
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
require(to != address(0), "ERC1155: mint to the zero address");
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
address operator = _msgSender();
_beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
for (uint256 i = 0; i < ids.length; i++) {
_balances[ids[i]][to] += amounts[i];
}
emit TransferBatch(operator, address(0), to, ids, amounts);
_afterTokenTransfer(operator, address(0), to, ids, amounts, data);
_doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
}
/**
* @dev Destroys `amount` tokens of token type `id` from `from`
*
* Emits a {TransferSingle} event.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `from` must have at least `amount` tokens of token type `id`.
*/
function _burn(address from, uint256 id, uint256 amount) internal virtual {
require(from != address(0), "ERC1155: burn from the zero address");
address operator = _msgSender();
uint256[] memory ids = _asSingletonArray(id);
uint256[] memory amounts = _asSingletonArray(amount);
_beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
unchecked {
_balances[id][from] = fromBalance - amount;
}
emit TransferSingle(operator, from, address(0), id, amount);
_afterTokenTransfer(operator, from, address(0), ids, amounts, "");
}
/**
* @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
*
* Emits a {TransferBatch} event.
*
* Requirements:
*
* - `ids` and `amounts` must have the same length.
*/
function _burnBatch(address from, uint256[] memory ids, uint256[] memory amounts) internal virtual {
require(from != address(0), "ERC1155: burn from the zero address");
require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
address operator = _msgSender();
_beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
for (uint256 i = 0; i < ids.length; i++) {
uint256 id = ids[i];
uint256 amount = amounts[i];
uint256 fromBalance = _balances[id][from];
require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
unchecked {
_balances[id][from] = fromBalance - amount;
}
}
emit TransferBatch(operator, from, address(0), ids, amounts);
_afterTokenTransfer(operator, from, address(0), ids, amounts, "");
}
/**
* @dev Approve `operator` to operate on all of `owner` tokens
*
* Emits an {ApprovalForAll} event.
*/
function _setApprovalForAll(address owner, address operator, bool approved) internal virtual {
require(owner != operator, "ERC1155: setting approval status for self");
_operatorApprovals[owner][operator] = approved;
emit ApprovalForAll(owner, operator, approved);
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning, as well as batched variants.
*
* The same hook is called on both single and batched variants. For single
* transfers, the length of the `ids` and `amounts` arrays will be 1.
*
* Calling conditions (for each `id` and `amount` pair):
*
* - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* of token type `id` will be transferred to `to`.
* - When `from` is zero, `amount` tokens of token type `id` will be minted
* for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
* will be burned.
* - `from` and `to` are never both zero.
* - `ids` and `amounts` have the same, non-zero length.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
/**
* @dev Hook that is called after any token transfer. This includes minting
* and burning, as well as batched variants.
*
* The same hook is called on both single and batched variants. For single
* transfers, the length of the `id` and `amount` arrays will be 1.
*
* Calling conditions (for each `id` and `amount` pair):
*
* - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* of token type `id` will be transferred to `to`.
* - When `from` is zero, `amount` tokens of token type `id` will be minted
* for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
* will be burned.
* - `from` and `to` are never both zero.
* - `ids` and `amounts` have the same, non-zero length.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
function _doSafeTransferAcceptanceCheck(
address operator,
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) private {
if (to.isContract()) {
try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
if (response != IERC1155Receiver.onERC1155Received.selector) {
revert("ERC1155: ERC1155Receiver rejected tokens");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("ERC1155: transfer to non-ERC1155Receiver implementer");
}
}
}
function _doSafeBatchTransferAcceptanceCheck(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) private {
if (to.isContract()) {
try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
bytes4 response
) {
if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {
revert("ERC1155: ERC1155Receiver rejected tokens");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("ERC1155: transfer to non-ERC1155Receiver implementer");
}
}
}
function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
uint256[] memory array = new uint256[](1);
array[0] = element;
return array;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
pragma solidity ^0.8.0;
import "../IERC1155.sol";
/**
* @dev Interface of the optional ERC1155MetadataExtension interface, as defined
* in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
*
* _Available since v3.1._
*/
interface IERC1155MetadataURI is IERC1155 {
/**
* @dev Returns the URI for token type `id`.
*
* If the `\{id\}` substring is present in the URI, it must be replaced by
* clients with the actual token type ID.
*/
function uri(uint256 id) external view returns (string memory);
}// 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 v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev _Available since v3.1._
*/
interface IERC1155Receiver is IERC165 {
/**
* @dev Handles the receipt of a single ERC1155 token type. This function is
* called at the end of a `safeTransferFrom` after the balance has been updated.
*
* NOTE: To accept the transfer, this must return
* `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
* (i.e. 0xf23a6e61, or its own function selector).
*
* @param operator The address which initiated the transfer (i.e. msg.sender)
* @param from The address which previously owned the token
* @param id The ID of the token being transferred
* @param value The amount of tokens being transferred
* @param data Additional data with no specified format
* @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
*/
function onERC1155Received(
address operator,
address from,
uint256 id,
uint256 value,
bytes calldata data
) external returns (bytes4);
/**
* @dev Handles the receipt of a multiple ERC1155 token types. This function
* is called at the end of a `safeBatchTransferFrom` after the balances have
* been updated.
*
* NOTE: To accept the transfer(s), this must return
* `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
* (i.e. 0xbc197c81, or its own function selector).
*
* @param operator The address which initiated the batch transfer (i.e. msg.sender)
* @param from The address which previously owned the token
* @param ids An array containing ids of each token being transferred (order and length must match values array)
* @param values An array containing amounts of each token being transferred (order and length must match ids array)
* @param data Additional data with no specified format
* @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
*/
function onERC1155BatchReceived(
address operator,
address from,
uint256[] calldata ids,
uint256[] calldata values,
bytes calldata data
) external returns (bytes4);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.2) (utils/cryptography/MerkleProof.sol)
pragma solidity ^0.8.0;
/**
* @dev These functions deal with verification of Merkle Tree proofs.
*
* The tree and the proofs can be generated using our
* https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
* You will find a quickstart guide in the readme.
*
* WARNING: You should avoid using leaf values that are 64 bytes long prior to
* hashing, or use a hash function other than keccak256 for hashing leaves.
* This is because the concatenation of a sorted pair of internal nodes in
* the merkle tree could be reinterpreted as a leaf value.
* OpenZeppelin's JavaScript library generates merkle trees that are safe
* against this attack out of the box.
*/
library MerkleProof {
/**
* @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
* defined by `root`. For this, a `proof` must be provided, containing
* sibling hashes on the branch from the leaf to the root of the tree. Each
* pair of leaves and each pair of pre-images are assumed to be sorted.
*/
function verify(bytes32[] memory proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
return processProof(proof, leaf) == root;
}
/**
* @dev Calldata version of {verify}
*
* _Available since v4.7._
*/
function verifyCalldata(bytes32[] calldata proof, bytes32 root, bytes32 leaf) internal pure returns (bool) {
return processProofCalldata(proof, leaf) == root;
}
/**
* @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
* from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
* hash matches the root of the tree. When processing the proof, the pairs
* of leafs & pre-images are assumed to be sorted.
*
* _Available since v4.4._
*/
function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Calldata version of {processProof}
*
* _Available since v4.7._
*/
function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
computedHash = _hashPair(computedHash, proof[i]);
}
return computedHash;
}
/**
* @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
* `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
*
* CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
*
* _Available since v4.7._
*/
function multiProofVerify(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProof(proof, proofFlags, leaves) == root;
}
/**
* @dev Calldata version of {multiProofVerify}
*
* CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
*
* _Available since v4.7._
*/
function multiProofVerifyCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32 root,
bytes32[] memory leaves
) internal pure returns (bool) {
return processMultiProofCalldata(proof, proofFlags, leaves) == root;
}
/**
* @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
* proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
* leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
* respectively.
*
* CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
* is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
* tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
*
* _Available since v4.7._
*/
function processMultiProof(
bytes32[] memory proof,
bool[] memory proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 proofLen = proof.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i]
? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
: proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
require(proofPos == proofLen, "MerkleProof: invalid multiproof");
unchecked {
return hashes[totalHashes - 1];
}
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
/**
* @dev Calldata version of {processMultiProof}.
*
* CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
*
* _Available since v4.7._
*/
function processMultiProofCalldata(
bytes32[] calldata proof,
bool[] calldata proofFlags,
bytes32[] memory leaves
) internal pure returns (bytes32 merkleRoot) {
// This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by
// consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
// `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
// the merkle tree.
uint256 leavesLen = leaves.length;
uint256 proofLen = proof.length;
uint256 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proofLen - 1 == totalHashes, "MerkleProof: invalid multiproof");
// The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
// `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
bytes32[] memory hashes = new bytes32[](totalHashes);
uint256 leafPos = 0;
uint256 hashPos = 0;
uint256 proofPos = 0;
// At each step, we compute the next hash using two values:
// - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
// get the next hash.
// - depending on the flag, either another value from the "main queue" (merging branches) or an element from the
// `proof` array.
for (uint256 i = 0; i < totalHashes; i++) {
bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
bytes32 b = proofFlags[i]
? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++])
: proof[proofPos++];
hashes[i] = _hashPair(a, b);
}
if (totalHashes > 0) {
require(proofPos == proofLen, "MerkleProof: invalid multiproof");
unchecked {
return hashes[totalHashes - 1];
}
} else if (leavesLen > 0) {
return leaves[0];
} else {
return proof[0];
}
}
function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
}
function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, a)
mstore(0x20, b)
value := keccak256(0x00, 0x40)
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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);
}
}
}// 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: CC0-1.0
pragma solidity ^0.8.17;
/**
* @title An immutable registry contract to be deployed as a standalone primitive
* @dev See EIP-5639, new project launches can read previous cold wallet -> hot wallet delegations
* from here and integrate those permissions into their flow
*/
interface IDelegationRegistry {
/// @notice Delegation type
enum DelegationType {
NONE,
ALL,
CONTRACT,
TOKEN
}
/// @notice Info about a single delegation, used for onchain enumeration
struct DelegationInfo {
DelegationType type_;
address vault;
address delegate;
address contract_;
uint256 tokenId;
}
/// @notice Info about a single contract-level delegation
struct ContractDelegation {
address contract_;
address delegate;
}
/// @notice Info about a single token-level delegation
struct TokenDelegation {
address contract_;
uint256 tokenId;
address delegate;
}
/// @notice Emitted when a user delegates their entire wallet
event DelegateForAll(address vault, address delegate, bool value);
/// @notice Emitted when a user delegates a specific contract
event DelegateForContract(
address vault,
address delegate,
address contract_,
bool value
);
/// @notice Emitted when a user delegates a specific token
event DelegateForToken(
address vault,
address delegate,
address contract_,
uint256 tokenId,
bool value
);
/// @notice Emitted when a user revokes all delegations
event RevokeAllDelegates(address vault);
/// @notice Emitted when a user revoes all delegations for a given delegate
event RevokeDelegate(address vault, address delegate);
/**
* ----------- WRITE -----------
*/
/**
* @notice Allow the delegate to act on your behalf for all contracts
* @param delegate The hotwallet to act on your behalf
* @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
*/
function delegateForAll(address delegate, bool value) external;
/**
* @notice Allow the delegate to act on your behalf for a specific contract
* @param delegate The hotwallet to act on your behalf
* @param contract_ The address for the contract you're delegating
* @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
*/
function delegateForContract(
address delegate,
address contract_,
bool value
) external;
/**
* @notice Allow the delegate to act on your behalf for a specific token
* @param delegate The hotwallet to act on your behalf
* @param contract_ The address for the contract you're delegating
* @param tokenId The token id for the token you're delegating
* @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
*/
function delegateForToken(
address delegate,
address contract_,
uint256 tokenId,
bool value
) external;
/**
* @notice Revoke all delegates
*/
function revokeAllDelegates() external;
/**
* @notice Revoke a specific delegate for all their permissions
* @param delegate The hotwallet to revoke
*/
function revokeDelegate(address delegate) external;
/**
* @notice Remove yourself as a delegate for a specific vault
* @param vault The vault which delegated to the msg.sender, and should be removed
*/
function revokeSelf(address vault) external;
/**
* ----------- READ -----------
*/
/**
* @notice Returns all active delegations a given delegate is able to claim on behalf of
* @param delegate The delegate that you would like to retrieve delegations for
* @return info Array of DelegationInfo structs
*/
function getDelegationsByDelegate(
address delegate
) external view returns (DelegationInfo[] memory);
/**
* @notice Returns an array of wallet-level delegates for a given vault
* @param vault The cold wallet who issued the delegation
* @return addresses Array of wallet-level delegates for a given vault
*/
function getDelegatesForAll(
address vault
) external view returns (address[] memory);
/**
* @notice Returns an array of contract-level delegates for a given vault and contract
* @param vault The cold wallet who issued the delegation
* @param contract_ The address for the contract you're delegating
* @return addresses Array of contract-level delegates for a given vault and contract
*/
function getDelegatesForContract(
address vault,
address contract_
) external view returns (address[] memory);
/**
* @notice Returns an array of contract-level delegates for a given vault's token
* @param vault The cold wallet who issued the delegation
* @param contract_ The address for the contract holding the token
* @param tokenId The token id for the token you're delegating
* @return addresses Array of contract-level delegates for a given vault's token
*/
function getDelegatesForToken(
address vault,
address contract_,
uint256 tokenId
) external view returns (address[] memory);
/**
* @notice Returns all contract-level delegations for a given vault
* @param vault The cold wallet who issued the delegations
* @return delegations Array of ContractDelegation structs
*/
function getContractLevelDelegations(
address vault
) external view returns (ContractDelegation[] memory delegations);
/**
* @notice Returns all token-level delegations for a given vault
* @param vault The cold wallet who issued the delegations
* @return delegations Array of TokenDelegation structs
*/
function getTokenLevelDelegations(
address vault
) external view returns (TokenDelegation[] memory delegations);
/**
* @notice Returns true if the address is delegated to act on the entire vault
* @param delegate The hotwallet to act on your behalf
* @param vault The cold wallet who issued the delegation
*/
function checkDelegateForAll(
address delegate,
address vault
) external view returns (bool);
/**
* @notice Returns true if the address is delegated to act on your behalf for a token contract or an entire vault
* @param delegate The hotwallet to act on your behalf
* @param contract_ The address for the contract you're delegating
* @param vault The cold wallet who issued the delegation
*/
function checkDelegateForContract(
address delegate,
address vault,
address contract_
) external view returns (bool);
/**
* @notice Returns true if the address is delegated to act on your behalf for a specific token, the token's contract or an entire vault
* @param delegate The hotwallet to act on your behalf
* @param contract_ The address for the contract you're delegating
* @param tokenId The token id for the token you're delegating
* @param vault The cold wallet who issued the delegation
*/
function checkDelegateForToken(
address delegate,
address vault,
address contract_,
uint256 tokenId
) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IValeriaBoosterCases {
function moderatorBoxMint(address account, uint256 amount) external;
function moderatorCaseMint(address account, uint256 amount) external;
function burnItem(address owner, uint256 typeId, uint256 amount) external;
function burnItems(
address owner,
uint256[] memory typeIds,
uint256[] memory amounts
) external;
function bulkSafeTransfer(
uint256 typeId,
uint256 amounts,
address[] calldata recipients
) external;
}{
"optimizer": {
"enabled": true,
"runs": 5000
},
"evmVersion": "paris",
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"metadata": {
"useLiteralContent": true
},
"libraries": {}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
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TransferSecurityLevels","name":"level","type":"uint8"},{"internalType":"uint120","name":"operatorWhitelistId","type":"uint120"},{"internalType":"uint120","name":"permittedContractReceiversAllowlistId","type":"uint120"}],"name":"setToCustomValidatorAndSecurityPolicy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setToDefaultSecurityPolicy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setTokenRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"transferValidator_","type":"address"}],"name":"setTransferValidator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uri","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"},{"internalType":"bool","name":"isCase","type":"bool"}],"name":"whitelistMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"},{"internalType":"bool","name":"isCase","type":"bool"},{"internalType":"address","name":"vault","type":"address"}],"name":"whitelistMintDelegate","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : _trustedForwarder (address): 0xf0511f123164602042ab2bCF02111fA5D3Fe97CD
Arg [1] : _uri (string): ipfs://bafybeiby6acdee2g6fkgfnrmo5wp3nzw42e5kiixzcol6liheegcdxllxq/{id}.json
Arg [2] : royaltyReceiver_ (address): 0x754a3C4b373bcf24895997C59d866Ff0B7AE6113
Arg [3] : royaltyFeeNumerator_ (uint96): 1000
Arg [4] : delegationRegistryAddress_ (address): 0x00000000000000447e69651d841bD8D104Bed493
-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 000000000000000000000000f0511f123164602042ab2bcf02111fa5d3fe97cd
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 000000000000000000000000754a3c4b373bcf24895997c59d866ff0b7ae6113
Arg [3] : 00000000000000000000000000000000000000000000000000000000000003e8
Arg [4] : 00000000000000000000000000000000000000447e69651d841bd8d104bed493
Arg [5] : 000000000000000000000000000000000000000000000000000000000000004c
Arg [6] : 697066733a2f2f626166796265696279366163646565326736666b67666e726d
Arg [7] : 6f357770336e7a77343265356b6969787a636f6c366c69686565676364786c6c
Arg [8] : 78712f7b69647d2e6a736f6e0000000000000000000000000000000000000000
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Net Worth in USD
$0.00
Net Worth in ETH
0
Multichain Portfolio | 33 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
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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.