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Minimal Proxy Contract for 0xae87bfe0e401149883293eeddf3aec0743826eb8
Contract Name:
Bueno1155Drop
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 300 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;
import "@openzeppelin/contracts-upgradeable/token/ERC1155/extensions/ERC1155SupplyUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/common/ERC2981Upgradeable.sol";
import "operator-filter-registry/src/upgradeable/OperatorFiltererUpgradeable.sol";
import "./ICommon.sol";
struct TokenSettings {
/// @dev total number of tokens that can be minted
uint32 maxSupply;
/// @dev total number of tokens that can be minted per wallet
uint32 maxPerWallet;
/// @dev tracks the total amount that have been minted
uint32 amountMinted;
/// @dev merkle root associated with claiming the token, otherwise bytes32(0)
bytes32 merkleRoot;
/// @dev timestamp of when the token can be minted
uint32 mintStart;
/// @dev timestamp of when the token can no longer be minted
uint32 mintEnd;
/// @dev price for the phase
uint256 price;
/// @dev uuid of the token within the Bueno ecosystem
string uuid;
/// @dev optional revenue splitting settings
PaymentSplitterSettings paymentSplitterSettings;
}
struct TokenData {
TokenSettings settings;
uint256 index;
}
error TokenSettingsLocked();
error TokenAlreadyExists();
error InvalidPaymentSplitterSettings();
error TooManyTokens();
error InvalidToken();
error MintNotActive();
error InvalidMintDates();
/// @author Bueno.art
/// @title ERC-1155 "Drops" contract (v3)
contract Bueno1155Drop is
ERC1155SupplyUpgradeable,
OwnableUpgradeable,
ERC2981Upgradeable,
OperatorFiltererUpgradeable
{
string public name;
string public symbol;
uint256 private _currentTokenId;
bool private allowBurning;
/// @dev maps the token ID (eg 1, 2 ...n) to the token's minting settings
mapping(uint256 => TokenSettings) private _tokens;
/// @dev track how many mints a particular wallet has made for a given token
mapping(uint256 => mapping(address => uint64))
private _mintBalanceByTokenId;
/// @dev track how much revenue each payee has earned
mapping(address => uint256) private _revenueByAddress;
/// @dev track how much revenue has been released to each address
mapping(address => uint256) private _released;
/// @dev track how much revenue has been released in total
uint256 private _totalReleased;
/// @dev "fallback" payment splitter settings in case token-level settings aren't specified
PaymentSplitterSettings private _fallbackPaymentSplitterSettings;
event RoyaltyUpdated(address royaltyAddress, uint96 royaltyAmount);
event TokenRoyaltyUpdated(
uint256 tokenId,
address royaltyAddress,
uint96 royaltyAmount
);
event TokenCreated(string indexed uuid, uint256 indexed tokenId);
event BurnStatusChanged(bool burnActive);
event TokensAirdropped(uint256 numRecipients, uint256 numTokens);
event TokenBurned(address indexed owner, uint256 tokenId, uint256 amount);
event PaymentReleased(address to, uint256 amount);
event TokenSettingsUpdated(uint256 tokenId);
event RevenueSettingsUpdated(uint256 tokenId);
event FallbackRevenueSettingsUpdated();
event TokensMinted(address indexed to, uint256 tokenId, uint256 quantity);
event TokenSupplyCapped(uint256 tokenId, uint256 maxSupply);
/// @custom:oz-upgrades-unsafe-allow constructor
constructor() {
_disableInitializers();
}
function initialize(
string memory _name,
string memory _symbol,
string memory _baseUri,
TokenSettings[] calldata _tokenSettings,
RoyaltySettings calldata _royaltySettings,
PaymentSplitterSettings calldata _paymentSplitterSettings,
bool _allowBurning,
address _deployer,
address _operatorFilter
) public initializer {
__ERC1155_init(_baseUri);
__Ownable_init();
uint256 numTokens = _tokenSettings.length;
// set a reasonable maximum here so we don't run out of gas
if (numTokens > 100) {
revert TooManyTokens();
}
// verify fallback (contract-level) payment splitter settings
_verifyPaymentSplitterSettings(_paymentSplitterSettings);
for (uint256 i = 0; i < numTokens; ) {
// verify token-level payment splitter settings, if present
if (_tokenSettings[i].paymentSplitterSettings.payees.length > 0) {
_verifyPaymentSplitterSettings(
_tokenSettings[i].paymentSplitterSettings
);
}
_verifyMintingTime(
_tokenSettings[i].mintStart,
_tokenSettings[i].mintEnd
);
_tokens[i] = _tokenSettings[i];
// this value should always be 0 for new tokens
_tokens[i].amountMinted = 0;
emit TokenCreated(_tokenSettings[i].uuid, i);
// numTokens has a maximum value of 2^256 - 1
unchecked {
++i;
}
}
_currentTokenId = numTokens;
_fallbackPaymentSplitterSettings = _paymentSplitterSettings;
name = _name;
symbol = _symbol;
allowBurning = _allowBurning;
_setDefaultRoyalty(
_royaltySettings.royaltyAddress,
_royaltySettings.royaltyAmount
);
_transferOwnership(_deployer);
OperatorFiltererUpgradeable.__OperatorFilterer_init(
_operatorFilter,
_operatorFilter == address(0) ? false : true // only subscribe if a filter is provided
);
}
/*//////////////////////////////////////////////////////////////
CREATOR FUNCTIONS
//////////////////////////////////////////////////////////////*/
/**
* @notice Create a new token to be minted with the provided settings.
*/
function createDropToken(
TokenSettings calldata settings
) external onlyOwner {
if (settings.paymentSplitterSettings.payees.length > 0) {
_verifyPaymentSplitterSettings(settings.paymentSplitterSettings);
}
_verifyMintingTime(settings.mintStart, settings.mintEnd);
uint256 id = _currentTokenId;
_tokens[id] = settings;
// this value should always be 0 for new tokens
_tokens[id].amountMinted = 0;
++_currentTokenId;
emit TokenCreated(settings.uuid, id);
}
/**
* @notice Create multiple tokens to be minted with the provided settings.
*/
function createDropTokens(
TokenSettings[] calldata tokenSettings
) external onlyOwner {
uint256 numTokens = tokenSettings.length;
uint256 currentTokenId = _currentTokenId;
for (uint256 i = 0; i < numTokens; ) {
if (tokenSettings[i].paymentSplitterSettings.payees.length > 0) {
_verifyPaymentSplitterSettings(
tokenSettings[i].paymentSplitterSettings
);
}
TokenSettings memory settings = tokenSettings[i];
_verifyMintingTime(settings.mintStart, settings.mintEnd);
uint256 id = currentTokenId;
// this value should always be 0 for new tokens
settings.amountMinted = 0;
_tokens[id] = settings;
++currentTokenId;
// numTokens has a maximum value of 2^256 - 1
unchecked {
++i;
}
emit TokenCreated(settings.uuid, id);
}
_currentTokenId = currentTokenId;
}
/**
* @notice Update the settings for a token. Certain settings cannot be changed once a token has been minted.
*/
function updateTokenSettingsByIndex(
uint256 id,
TokenSettings calldata settings
) external onlyOwner {
// cannot edit a token larger than the current token ID
if (id >= _currentTokenId) {
revert InvalidToken();
}
TokenSettings memory token = _tokens[id];
uint32 existingAmountMinted = token.amountMinted;
PaymentSplitterSettings memory existingPaymentSplitterSettings = token
.paymentSplitterSettings;
// Once a token has been minted, it's not possible to change the supply & start/end times
if (
existingAmountMinted > 0 &&
(settings.maxSupply != token.maxSupply ||
settings.mintStart != token.mintStart ||
settings.mintEnd != token.mintEnd)
) {
revert TokenSettingsLocked();
}
_verifyMintingTime(settings.mintStart, settings.mintEnd);
_tokens[id] = settings;
// it's not possible to update how many have been claimed, but it's part of the TokenSettings struct
// ignore any value that is passed in and use the existing value
_tokens[id].amountMinted = existingAmountMinted;
// payment splitter settings can only be updated via `updatePaymentSplitterSettingsByIndex`
_tokens[id].paymentSplitterSettings = existingPaymentSplitterSettings;
emit TokenSettingsUpdated(id);
}
function updatePaymentSplitterSettingsByIndex(
uint256 id,
PaymentSplitterSettings calldata settings
) external onlyOwner {
// cannot edit a token larger than the current token ID
if (id >= _currentTokenId) {
revert InvalidToken();
}
// revenue split cannot be changed once a token is minted
if (_tokens[id].amountMinted > 0) {
revert TokenSettingsLocked();
}
_verifyPaymentSplitterSettings(settings);
_tokens[id].paymentSplitterSettings = settings;
emit RevenueSettingsUpdated(id);
}
function updateFallbackPaymentSplitterSettings(
PaymentSplitterSettings calldata settings
) external onlyOwner {
_verifyPaymentSplitterSettings(settings);
_fallbackPaymentSplitterSettings = settings;
emit FallbackRevenueSettingsUpdated();
}
function _verifyMintingTime(uint32 mintStart, uint32 mintEnd) private view {
if (mintEnd > 0) {
// mint end must be after mint start
if (mintEnd < mintStart) {
revert InvalidMintDates();
}
// mint end must be in the future
if (mintEnd < block.timestamp) {
revert InvalidMintDates();
}
}
}
function _verifyPaymentSplitterSettings(
PaymentSplitterSettings calldata settings
) private pure {
uint256 shareTotal;
uint256 numPayees = settings.payees.length;
// we discourage using the payment splitter for more than 4 payees, as it's not gas efficient for minting
// more advanced use-cases should consider a multi-sig payee
if (numPayees != settings.shares.length || numPayees > 4) {
revert InvalidPaymentSplitterSettings();
}
for (uint256 i = 0; i < numPayees; ) {
uint256 shares = settings.shares[i];
if (shares == 0) {
revert InvalidPaymentSplitterSettings();
}
shareTotal += shares;
// this can't overflow as numPayees is capped at 4
unchecked {
++i;
}
}
if (shareTotal != 100) {
revert InvalidPaymentSplitterSettings();
}
}
/**
* @notice Perform a batch airdrop of tokens to a list of recipients
*/
function airdropToken(
uint256 id,
uint32[] calldata quantities,
address[] calldata recipients
) external onlyOwner {
if (id >= _currentTokenId) {
revert InvalidToken();
}
uint256 numRecipients = recipients.length;
uint256 totalAirdropped;
if (numRecipients != quantities.length) revert InvalidAirdrop();
TokenSettings storage token = _tokens[id];
for (uint256 i = 0; i < numRecipients; ) {
uint32 updatedAmountMinted = token.amountMinted + quantities[i];
if (token.maxSupply > 0 && updatedAmountMinted > token.maxSupply) {
revert SoldOut();
}
// airdrops are not subject to the per-wallet mint limits,
// but we track how much is minted
token.amountMinted = updatedAmountMinted;
totalAirdropped += quantities[i];
_mint(recipients[i], id, quantities[i], "");
// numRecipients has a maximum value of 2^256 - 1
unchecked {
++i;
}
}
emit TokensAirdropped(numRecipients, totalAirdropped);
}
/**
* @notice Release funds for a particular payee
*/
function release(address payee) public {
uint256 amount = releasable(payee);
if (amount > 0) {
_totalReleased += amount;
// If "_totalReleased += amount" does not overflow, then "_released[payee] += amount" cannot overflow.
unchecked {
_released[payee] += amount;
}
AddressUpgradeable.sendValue(payable(payee), amount);
emit PaymentReleased(payee, amount);
}
}
/**
* @notice Release funds for specified payees
* @dev This is a convenience method to calling release() for each payee
*/
function releaseBatch(address[] calldata payees) external {
uint256 numPayees = payees.length;
for (uint256 i = 0; i < numPayees; ) {
release(payees[i]);
// this can't overflow as numPayees is capped at 4
unchecked {
++i;
}
}
}
/**
* @notice Update the default royalty settings (EIP-2981) for the contract.
*/
function setRoyaltyInfo(
address receiver,
uint96 feeBasisPoints
) external onlyOwner {
_setDefaultRoyalty(receiver, feeBasisPoints);
emit RoyaltyUpdated(receiver, feeBasisPoints);
}
/**
* @notice Update the royalty settings (EIP-2981) for the token.
*/
function setTokenRoyaltyInfo(
uint256 tokenId,
address receiver,
uint96 feeBasisPoints
) external onlyOwner {
_setTokenRoyalty(tokenId, receiver, feeBasisPoints);
emit TokenRoyaltyUpdated(tokenId, receiver, feeBasisPoints);
}
/**
* @notice If enabled, the token can be burned, for approved operators.
* @dev The burn method will revert unless this is enabled
*/
function toggleBurning() external onlyOwner {
allowBurning = !allowBurning;
emit BurnStatusChanged(allowBurning);
}
/**
* @dev See {ERC1155Upgradeable-_setURI}
*/
function setUri(string calldata uri) external onlyOwner {
_setURI(uri);
}
/**
* @notice This function can only be called for tokens with supply. Calling this function will set the max supply
* of a token to the current amount minted. This cannot be reversed.
*/
function capSupplyAtIndex(uint256 id) external onlyOwner {
TokenSettings storage token = _tokens[id];
// only limited edition tokens can be capped
if (token.maxSupply == 0) {
revert InvalidToken();
}
token.maxSupply = token.amountMinted;
emit TokenSupplyCapped(id, token.maxSupply);
}
/*//////////////////////////////////////////////////////////////
MINTING FUNCTIONS
//////////////////////////////////////////////////////////////*/
/**
* @notice Mint a token to the sender
*/
function mintToken(uint256 id, uint32 quantity) external payable {
TokenSettings memory token = _tokens[id];
if (token.merkleRoot != bytes32(0)) {
revert InvalidMintFunction();
}
_mintAfterChecks(
msg.sender,
msg.value,
id,
quantity,
token.maxPerWallet
);
}
/**
* @notice Mint a token to a specific address
* @dev Useful in case the recipient of the tokens is not the sender (gifting, fiat checkout, etc)
*/
function mintTokenTo(
address account,
uint256 id,
uint32 quantity
) external payable {
TokenSettings memory token = _tokens[id];
if (token.merkleRoot != bytes32(0)) {
revert InvalidMintFunction();
}
_mintAfterChecks(account, msg.value, id, quantity, token.maxPerWallet);
}
/**
* @notice Mint a token that has an allowlist associated with it.
* @dev maxQuantity is encoded as part of the proof, and is a way to associate variable quantities with each allowlisted wallet
*/
function mintTokenAllowlist(
uint256 id,
uint32 quantity,
uint32 maxQuantity,
bytes32[] calldata proof
) external payable {
bytes32 merkleRoot = _tokens[id].merkleRoot;
if (merkleRoot == bytes32(0)) {
revert InvalidMintFunction();
}
if (
!MerkleProof.verify(
proof,
merkleRoot,
keccak256(abi.encodePacked(msg.sender, maxQuantity))
)
) {
revert InvalidProof();
}
_mintAfterChecks(msg.sender, msg.value, id, quantity, maxQuantity);
}
function _mintAfterChecks(
address account,
uint256 balance,
uint256 id,
uint32 quantity,
uint32 maxQuantity
) private {
if (id >= _currentTokenId) {
revert InvalidToken();
}
TokenSettings storage token = _tokens[id];
if (balance != token.price * quantity) {
revert InvalidPrice();
}
if (
token.maxSupply > 0 &&
token.amountMinted + quantity > token.maxSupply
) {
revert SoldOut();
}
if (
maxQuantity > 0 &&
// maxQuantity is either the token-level maxPerWallet, or the maxQuantity passed in from the allowlist mint function
// if the latter, the value is provided by the user, but is first checked against the merkle tree
_mintBalanceByTokenId[id][account] + quantity > maxQuantity
) {
revert ExceedMaxPerWallet();
}
if (token.mintStart > 0 && block.timestamp < token.mintStart) {
revert MintNotActive();
}
if (token.mintEnd > 0 && block.timestamp > token.mintEnd) {
revert MintNotActive();
}
// we only need to proceed if this is a revenue generating mint
if (balance > 0) {
uint256 numPayees = token.paymentSplitterSettings.payees.length;
if (numPayees > 0) {
// if we have token-level payment splitter settings, use those
calculateRevenueSplit(balance, token.paymentSplitterSettings);
} else {
// otherwise, fallback to the contract-level payment splitter settings
calculateRevenueSplit(
balance,
_fallbackPaymentSplitterSettings
);
}
}
token.amountMinted += quantity;
_mintBalanceByTokenId[id][account] += quantity;
_mint(account, id, quantity, "");
emit TokensMinted(account, id, quantity);
}
function calculateRevenueSplit(
uint256 value,
PaymentSplitterSettings storage paymentSplitterSettings
) private {
uint256 numPayees = paymentSplitterSettings.payees.length;
// each token can have different payment splitter settings, and price can change while mint is occurring
// therefore we need to do some revenue accounting at the time of mint based on the price paid
for (uint256 i = 0; i < numPayees; ) {
address payee = paymentSplitterSettings.payees[i];
uint256 amount = ((value * paymentSplitterSettings.shares[i]) /
100);
_revenueByAddress[payee] += amount;
// this can't overflow as numPayees is capped at 4
unchecked {
++i;
}
}
}
/**
* @notice Burn a token, if the contract allows for it
*/
function burn(uint256 id, uint256 amount) external {
if (!allowBurning) {
revert BurningNotAllowed();
}
_burn(msg.sender, id, amount);
emit TokenBurned(msg.sender, id, amount);
}
/*//////////////////////////////////////////////////////////////
VIEW FUNCTIONS
//////////////////////////////////////////////////////////////*/
/**
* @notice Get the token data based on it's ID (1, 2, etc)
*/
function getTokenSettingsByTokenId(
uint256 id
) external view returns (TokenSettings memory) {
return _tokens[id];
}
/**
* @notice Retrieve the fallback payment splitter config (used if a token doesn't have it's own payment splitter settings)
*/
function getFallbackPaymentSplitterSettings()
external
view
returns (PaymentSplitterSettings memory)
{
return _fallbackPaymentSplitterSettings;
}
/**
* @notice Get the token data for all tokens associated with the contract
*/
function getAllTokenData() external view returns (TokenData[] memory) {
uint256 numTokens = _currentTokenId;
TokenData[] memory tokens = new TokenData[](numTokens);
for (uint256 i = 0; i < numTokens; i++) {
tokens[i].settings = _tokens[i];
tokens[i].index = i;
}
return tokens;
}
/**
* @dev Getter for the amount of Ether already released to a payee.
*/
function released(address account) public view returns (uint256) {
return _released[account];
}
/**
* @dev Getter for the total amount of Ether already released.
*/
function totalReleased() external view returns (uint256) {
return _totalReleased;
}
/**
* @dev Getter for the amount of payee's releasable Ether.
*/
function releasable(address account) public view returns (uint256) {
return _revenueByAddress[account] - released(account);
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(
bytes4 interfaceId
)
public
view
virtual
override(ERC1155Upgradeable, ERC2981Upgradeable)
returns (bool)
{
return super.supportsInterface(interfaceId);
}
/*//////////////////////////////////////////////////////////////
OPERATOR REGISTRY OVERRIDES
//////////////////////////////////////////////////////////////*/
function setApprovalForAll(
address operator,
bool approved
) public override onlyAllowedOperatorApproval(operator) {
super.setApprovalForAll(operator, approved);
}
/**
* @dev See {IERC1155-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
uint256 amount,
bytes memory data
) public override onlyAllowedOperator(from) {
super.safeTransferFrom(from, to, tokenId, amount, data);
}
/**
* @dev See {IERC1155-safeBatchTransferFrom}.
*/
function safeBatchTransferFrom(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) public virtual override onlyAllowedOperator(from) {
super.safeBatchTransferFrom(from, to, ids, amounts, data);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
function __Ownable_init() internal onlyInitializing {
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal onlyInitializing {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)
pragma solidity ^0.8.0;
import "../utils/introspection/IERC165Upgradeable.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 IERC2981Upgradeable is IERC165Upgradeable {
/**
* @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 v4.8.0) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.2;
import "../../utils/AddressUpgradeable.sol";
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
* reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
* case an upgrade adds a module that needs to be initialized.
*
* For example:
*
* [.hljs-theme-light.nopadding]
* ```
* contract MyToken is ERC20Upgradeable {
* function initialize() initializer public {
* __ERC20_init("MyToken", "MTK");
* }
* }
* contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
* function initializeV2() reinitializer(2) public {
* __ERC20Permit_init("MyToken");
* }
* }
* ```
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*
* [CAUTION]
* ====
* Avoid leaving a contract uninitialized.
*
* An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
* contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
* the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() {
* _disableInitializers();
* }
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
* @custom:oz-retyped-from bool
*/
uint8 private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Triggered when the contract has been initialized or reinitialized.
*/
event Initialized(uint8 version);
/**
* @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
* `onlyInitializing` functions can be used to initialize parent contracts.
*
* Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
* constructor.
*
* Emits an {Initialized} event.
*/
modifier initializer() {
bool isTopLevelCall = !_initializing;
require(
(isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
"Initializable: contract is already initialized"
);
_initialized = 1;
if (isTopLevelCall) {
_initializing = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
emit Initialized(1);
}
}
/**
* @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
* contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
* used to initialize parent contracts.
*
* A reinitializer may be used after the original initialization step. This is essential to configure modules that
* are added through upgrades and that require initialization.
*
* When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
* cannot be nested. If one is invoked in the context of another, execution will revert.
*
* Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
* a contract, executing them in the right order is up to the developer or operator.
*
* WARNING: setting the version to 255 will prevent any future reinitialization.
*
* Emits an {Initialized} event.
*/
modifier reinitializer(uint8 version) {
require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
_initialized = version;
_initializing = true;
_;
_initializing = false;
emit Initialized(version);
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} and {reinitializer} modifiers, directly or indirectly.
*/
modifier onlyInitializing() {
require(_initializing, "Initializable: contract is not initializing");
_;
}
/**
* @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
* Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
* to any version. It is recommended to use this to lock implementation contracts that are designed to be called
* through proxies.
*
* Emits an {Initialized} event the first time it is successfully executed.
*/
function _disableInitializers() internal virtual {
require(!_initializing, "Initializable: contract is initializing");
if (_initialized < type(uint8).max) {
_initialized = type(uint8).max;
emit Initialized(type(uint8).max);
}
}
/**
* @dev Internal function that returns the initialized version. Returns `_initialized`
*/
function _getInitializedVersion() internal view returns (uint8) {
return _initialized;
}
/**
* @dev Internal function that returns the initialized version. Returns `_initializing`
*/
function _isInitializing() internal view returns (bool) {
return _initializing;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol)
pragma solidity ^0.8.0;
import "../../interfaces/IERC2981Upgradeable.sol";
import "../../utils/introspection/ERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.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 ERC2981Upgradeable is Initializable, IERC2981Upgradeable, ERC165Upgradeable {
function __ERC2981_init() internal onlyInitializing {
}
function __ERC2981_init_unchained() internal onlyInitializing {
}
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(IERC165Upgradeable, ERC165Upgradeable) returns (bool) {
return interfaceId == type(IERC2981Upgradeable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @inheritdoc IERC2981Upgradeable
*/
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];
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[48] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC1155/ERC1155.sol)
pragma solidity ^0.8.0;
import "./IERC1155Upgradeable.sol";
import "./IERC1155ReceiverUpgradeable.sol";
import "./extensions/IERC1155MetadataURIUpgradeable.sol";
import "../../utils/AddressUpgradeable.sol";
import "../../utils/ContextUpgradeable.sol";
import "../../utils/introspection/ERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.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 ERC1155Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC1155Upgradeable, IERC1155MetadataURIUpgradeable {
using AddressUpgradeable 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}.
*/
function __ERC1155_init(string memory uri_) internal onlyInitializing {
__ERC1155_init_unchained(uri_);
}
function __ERC1155_init_unchained(string memory uri_) internal onlyInitializing {
_setURI(uri_);
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
return
interfaceId == type(IERC1155Upgradeable).interfaceId ||
interfaceId == type(IERC1155MetadataURIUpgradeable).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 IERC1155ReceiverUpgradeable(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
if (response != IERC1155ReceiverUpgradeable.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 IERC1155ReceiverUpgradeable(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
bytes4 response
) {
if (response != IERC1155ReceiverUpgradeable.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;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[47] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC1155/extensions/ERC1155Supply.sol)
pragma solidity ^0.8.0;
import "../ERC1155Upgradeable.sol";
import "../../../proxy/utils/Initializable.sol";
/**
* @dev Extension of ERC1155 that adds tracking of total supply per id.
*
* Useful for scenarios where Fungible and Non-fungible tokens have to be
* clearly identified. Note: While a totalSupply of 1 might mean the
* corresponding is an NFT, there is no guarantees that no other token with the
* same id are not going to be minted.
*/
abstract contract ERC1155SupplyUpgradeable is Initializable, ERC1155Upgradeable {
function __ERC1155Supply_init() internal onlyInitializing {
}
function __ERC1155Supply_init_unchained() internal onlyInitializing {
}
mapping(uint256 => uint256) private _totalSupply;
/**
* @dev Total amount of tokens in with a given id.
*/
function totalSupply(uint256 id) public view virtual returns (uint256) {
return _totalSupply[id];
}
/**
* @dev Indicates whether any token exist with a given id, or not.
*/
function exists(uint256 id) public view virtual returns (bool) {
return ERC1155SupplyUpgradeable.totalSupply(id) > 0;
}
/**
* @dev See {ERC1155-_beforeTokenTransfer}.
*/
function _beforeTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual override {
super._beforeTokenTransfer(operator, from, to, ids, amounts, data);
if (from == address(0)) {
for (uint256 i = 0; i < ids.length; ++i) {
_totalSupply[ids[i]] += amounts[i];
}
}
if (to == address(0)) {
for (uint256 i = 0; i < ids.length; ++i) {
uint256 id = ids[i];
uint256 amount = amounts[i];
uint256 supply = _totalSupply[id];
require(supply >= amount, "ERC1155: burn amount exceeds totalSupply");
unchecked {
_totalSupply[id] = supply - amount;
}
}
}
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[49] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
pragma solidity ^0.8.0;
import "../IERC1155Upgradeable.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 IERC1155MetadataURIUpgradeable is IERC1155Upgradeable {
/**
* @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 v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165Upgradeable.sol";
/**
* @dev _Available since v3.1._
*/
interface IERC1155ReceiverUpgradeable is IERC165Upgradeable {
/**
* @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 v4.7.0) (token/ERC1155/IERC1155.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165Upgradeable.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 IERC1155Upgradeable is IERC165Upgradeable {
/**
* @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 v4.8.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library AddressUpgradeable {
/**
* @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
* ====
*
* [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://diligence.consensys.net/posts/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/v0.5.11/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 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;
import "../proxy/utils/Initializable.sol";
/**
* @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 ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
}
function __Context_init_unchained() internal onlyInitializing {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {
function __ERC165_init() internal onlyInitializing {
}
function __ERC165_init_unchained() internal onlyInitializing {
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165Upgradeable).interfaceId;
}
/**
* @dev This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}// 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 IERC165Upgradeable {
/**
* @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 v4.8.0) (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 rebuild 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 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proof.length - 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 for 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) {
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 rebuild 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 totalHashes = proofFlags.length;
// Check proof validity.
require(leavesLen + proof.length - 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 for 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) {
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
pragma solidity ^0.8.17;
error InvalidPrice();
error SoldOut();
error ExceedMaxPerWallet();
error InvalidProof();
error InvalidMintFunction();
error InvalidAirdrop();
error BurningNotAllowed();
struct PaymentSplitterSettings {
address[] payees;
uint256[] shares;
}
struct RoyaltySettings {
address royaltyAddress;
uint96 royaltyAmount;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;
interface IOperatorFilterRegistry {
function isOperatorAllowed(address registrant, address operator) external view returns (bool);
function register(address registrant) external;
function registerAndSubscribe(address registrant, address subscription) external;
function registerAndCopyEntries(address registrant, address registrantToCopy) external;
function unregister(address addr) external;
function updateOperator(address registrant, address operator, bool filtered) external;
function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
function subscribe(address registrant, address registrantToSubscribe) external;
function unsubscribe(address registrant, bool copyExistingEntries) external;
function subscriptionOf(address addr) external returns (address registrant);
function subscribers(address registrant) external returns (address[] memory);
function subscriberAt(address registrant, uint256 index) external returns (address);
function copyEntriesOf(address registrant, address registrantToCopy) external;
function isOperatorFiltered(address registrant, address operator) external returns (bool);
function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
function filteredOperators(address addr) external returns (address[] memory);
function filteredCodeHashes(address addr) external returns (bytes32[] memory);
function filteredOperatorAt(address registrant, uint256 index) external returns (address);
function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
function isRegistered(address addr) external returns (bool);
function codeHashOf(address addr) external returns (bytes32);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;
import {IOperatorFilterRegistry} from "../IOperatorFilterRegistry.sol";
import {Initializable} from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
abstract contract OperatorFiltererUpgradeable is Initializable {
error OperatorNotAllowed(address operator);
IOperatorFilterRegistry constant operatorFilterRegistry =
IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);
function __OperatorFilterer_init(address subscriptionOrRegistrantToCopy, bool subscribe)
internal
onlyInitializing
{
// If an inheriting token contract is deployed to a network without the registry deployed, the modifier
// will not revert, but the contract will need to be registered with the registry once it is deployed in
// order for the modifier to filter addresses.
if (address(operatorFilterRegistry).code.length > 0) {
if (!operatorFilterRegistry.isRegistered(address(this))) {
if (subscribe) {
operatorFilterRegistry.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
} else {
if (subscriptionOrRegistrantToCopy != address(0)) {
operatorFilterRegistry.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
} else {
operatorFilterRegistry.register(address(this));
}
}
}
}
}
modifier onlyAllowedOperator(address from) virtual {
// Check registry code length to facilitate testing in environments without a deployed registry.
if (address(operatorFilterRegistry).code.length > 0) {
// Allow spending tokens from addresses with balance
// Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
// from an EOA.
if (from == msg.sender) {
_;
return;
}
if (!operatorFilterRegistry.isOperatorAllowed(address(this), msg.sender)) {
revert OperatorNotAllowed(msg.sender);
}
}
_;
}
modifier onlyAllowedOperatorApproval(address operator) virtual {
// Check registry code length to facilitate testing in environments without a deployed registry.
if (address(operatorFilterRegistry).code.length > 0) {
if (!operatorFilterRegistry.isOperatorAllowed(address(this), operator)) {
revert OperatorNotAllowed(operator);
}
}
_;
}
}{
"viaIR": true,
"optimizer": {
"enabled": true,
"runs": 300
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"metadata": {
"useLiteralContent": true
},
"libraries": {}
}Contract ABI
API[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"BurningNotAllowed","type":"error"},{"inputs":[],"name":"ExceedMaxPerWallet","type":"error"},{"inputs":[],"name":"InvalidAirdrop","type":"error"},{"inputs":[],"name":"InvalidMintDates","type":"error"},{"inputs":[],"name":"InvalidMintFunction","type":"error"},{"inputs":[],"name":"InvalidPaymentSplitterSettings","type":"error"},{"inputs":[],"name":"InvalidPrice","type":"error"},{"inputs":[],"name":"InvalidProof","type":"error"},{"inputs":[],"name":"InvalidToken","type":"error"},{"inputs":[],"name":"MintNotActive","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"inputs":[],"name":"SoldOut","type":"error"},{"inputs":[],"name":"TokenSettingsLocked","type":"error"},{"inputs":[],"name":"TooManyTokens","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"burnActive","type":"bool"}],"name":"BurnStatusChanged","type":"event"},{"anonymous":false,"inputs":[],"name":"FallbackRevenueSettingsUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"PaymentReleased","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"RevenueSettingsUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"royaltyAddress","type":"address"},{"indexed":false,"internalType":"uint96","name":"royaltyAmount","type":"uint96"}],"name":"RoyaltyUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"TokenBurned","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"string","name":"uuid","type":"string"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"TokenCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"address","name":"royaltyAddress","type":"address"},{"indexed":false,"internalType":"uint96","name":"royaltyAmount","type":"uint96"}],"name":"TokenRoyaltyUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"TokenSettingsUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"maxSupply","type":"uint256"}],"name":"TokenSupplyCapped","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"numRecipients","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"TokensAirdropped","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"TokensMinted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint32[]","name":"quantities","type":"uint32[]"},{"internalType":"address[]","name":"recipients","type":"address[]"}],"name":"airdropToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"capSupplyAtIndex","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint32","name":"maxPerWallet","type":"uint32"},{"internalType":"uint32","name":"amountMinted","type":"uint32"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint32","name":"mintStart","type":"uint32"},{"internalType":"uint32","name":"mintEnd","type":"uint32"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"string","name":"uuid","type":"string"},{"components":[{"internalType":"address[]","name":"payees","type":"address[]"},{"internalType":"uint256[]","name":"shares","type":"uint256[]"}],"internalType":"struct PaymentSplitterSettings","name":"paymentSplitterSettings","type":"tuple"}],"internalType":"struct TokenSettings","name":"settings","type":"tuple"}],"name":"createDropToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint32","name":"maxPerWallet","type":"uint32"},{"internalType":"uint32","name":"amountMinted","type":"uint32"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint32","name":"mintStart","type":"uint32"},{"internalType":"uint32","name":"mintEnd","type":"uint32"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"string","name":"uuid","type":"string"},{"components":[{"internalType":"address[]","name":"payees","type":"address[]"},{"internalType":"uint256[]","name":"shares","type":"uint256[]"}],"internalType":"struct PaymentSplitterSettings","name":"paymentSplitterSettings","type":"tuple"}],"internalType":"struct TokenSettings[]","name":"tokenSettings","type":"tuple[]"}],"name":"createDropTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"exists","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAllTokenData","outputs":[{"components":[{"components":[{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint32","name":"maxPerWallet","type":"uint32"},{"internalType":"uint32","name":"amountMinted","type":"uint32"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint32","name":"mintStart","type":"uint32"},{"internalType":"uint32","name":"mintEnd","type":"uint32"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"string","name":"uuid","type":"string"},{"components":[{"internalType":"address[]","name":"payees","type":"address[]"},{"internalType":"uint256[]","name":"shares","type":"uint256[]"}],"internalType":"struct PaymentSplitterSettings","name":"paymentSplitterSettings","type":"tuple"}],"internalType":"struct TokenSettings","name":"settings","type":"tuple"},{"internalType":"uint256","name":"index","type":"uint256"}],"internalType":"struct TokenData[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getFallbackPaymentSplitterSettings","outputs":[{"components":[{"internalType":"address[]","name":"payees","type":"address[]"},{"internalType":"uint256[]","name":"shares","type":"uint256[]"}],"internalType":"struct PaymentSplitterSettings","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"getTokenSettingsByTokenId","outputs":[{"components":[{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint32","name":"maxPerWallet","type":"uint32"},{"internalType":"uint32","name":"amountMinted","type":"uint32"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint32","name":"mintStart","type":"uint32"},{"internalType":"uint32","name":"mintEnd","type":"uint32"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"string","name":"uuid","type":"string"},{"components":[{"internalType":"address[]","name":"payees","type":"address[]"},{"internalType":"uint256[]","name":"shares","type":"uint256[]"}],"internalType":"struct PaymentSplitterSettings","name":"paymentSplitterSettings","type":"tuple"}],"internalType":"struct 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PaymentSplitterSettings","name":"settings","type":"tuple"}],"name":"updateFallbackPaymentSplitterSettings","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"components":[{"internalType":"address[]","name":"payees","type":"address[]"},{"internalType":"uint256[]","name":"shares","type":"uint256[]"}],"internalType":"struct PaymentSplitterSettings","name":"settings","type":"tuple"}],"name":"updatePaymentSplitterSettingsByIndex","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"components":[{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint32","name":"maxPerWallet","type":"uint32"},{"internalType":"uint32","name":"amountMinted","type":"uint32"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint32","name":"mintStart","type":"uint32"},{"internalType":"uint32","name":"mintEnd","type":"uint32"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"string","name":"uuid","type":"string"},{"components":[{"internalType":"address[]","name":"payees","type":"address[]"},{"internalType":"uint256[]","name":"shares","type":"uint256[]"}],"internalType":"struct PaymentSplitterSettings","name":"paymentSplitterSettings","type":"tuple"}],"internalType":"struct TokenSettings","name":"settings","type":"tuple"}],"name":"updateTokenSettingsByIndex","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]Loading...
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Multichain Portfolio | 34 Chains
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.