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Latest 11 from a total of 11 transactions
| Transaction Hash |
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|---|---|---|---|---|---|---|---|---|---|
| Set Approval For... | 16360777 | 1123 days ago | IN | 0 ETH | 0.00081692 | ||||
| Set Approval For... | 15890264 | 1188 days ago | IN | 0 ETH | 0.00125273 | ||||
| Set Approval For... | 15882401 | 1189 days ago | IN | 0 ETH | 0.00051569 | ||||
| Set Approval For... | 15760812 | 1206 days ago | IN | 0 ETH | 0.00065885 | ||||
| Set Approval For... | 15362981 | 1266 days ago | IN | 0 ETH | 0.00054952 | ||||
| Set Approval For... | 15285351 | 1278 days ago | IN | 0 ETH | 0.00048377 | ||||
| Set Approval For... | 15257016 | 1282 days ago | IN | 0 ETH | 0.00050467 | ||||
| Set Approval For... | 15223461 | 1288 days ago | IN | 0 ETH | 0.00048282 | ||||
| Transfer From | 15199222 | 1291 days ago | IN | 0 ETH | 0.000647 | ||||
| Set Approval For... | 15192469 | 1292 days ago | IN | 0 ETH | 0.00053881 | ||||
| Set Approval For... | 15186162 | 1293 days ago | IN | 0 ETH | 0.00077442 |
Latest 1 internal transaction
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| Parent Transaction Hash | Method | Block |
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| 0x3d602d80 | 15185701 | 1293 days ago | Contract Creation | 0 ETH |
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Minimal Proxy Contract for 0xb7d20474fe31272a5794049d5d6057ee29ca04ec
Contract Name:
ChocoMintERC721
Compiler Version
v0.8.0+commit.c7dfd78e
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../utils/MintERC721Lib.sol";
import "../utils/SecurityLib.sol";
import "./ChocoMintERC721Base.sol";
contract ChocoMintERC721 is IChocoMintERC721, ChocoMintERC721Base {
constructor(
string memory name,
string memory version,
string memory symbol,
address trustedForwarder,
address[] memory defaultApprovals
) {
initialize(name, version, symbol, trustedForwarder, defaultApprovals);
}
function mint(MintERC721Lib.MintERC721Data memory mintERC721Data, SignatureLib.SignatureData memory signatureData)
external
override
{
bytes32 mintERC721Hash = MintERC721Lib.hashStruct(mintERC721Data);
(bool isSignatureValid, string memory signatureErrorMessage) = _validateTx(
mintERC721Data.minter,
mintERC721Hash,
signatureData
);
require(isSignatureValid, signatureErrorMessage);
_mint(mintERC721Hash, mintERC721Data);
}
function isMinted(uint256 tokenId) external view override returns (bool) {
return _exists(tokenId);
}
function _mint(bytes32 mintERC721Hash, MintERC721Lib.MintERC721Data memory mintERC721Data) internal {
(bool isValid, string memory errorMessage) = _validate(mintERC721Data);
require(isValid, errorMessage);
_revokeHash(mintERC721Hash);
super._mint(mintERC721Data.to, mintERC721Data.tokenId);
if (mintERC721Data.data.length > 0) {
(
string memory tokenStaticURI,
bool tokenStaticURIFreezing,
RoyaltyLib.RoyaltyData memory tokenRoyaltyData,
bool tokenRoyaltyFreezing
) = abi.decode(mintERC721Data.data, (string, bool, RoyaltyLib.RoyaltyData, bool));
if (bytes(tokenStaticURI).length > 0) {
_setTokenStaticURI(mintERC721Data.tokenId, tokenStaticURI, tokenStaticURIFreezing);
}
if (RoyaltyLib.isNotNull(tokenRoyaltyData)) {
_setTokenRoyalty(mintERC721Data.tokenId, tokenRoyaltyData, tokenRoyaltyFreezing);
}
}
emit Minted(mintERC721Hash);
}
function _validate(MintERC721Lib.MintERC721Data memory mintERC721Data) internal view returns (bool, string memory) {
(bool isMinterValid, string memory minterErrorMessage) = _validateAdminOrOwner(mintERC721Data.minter);
if (!isMinterValid) {
return (false, minterErrorMessage);
}
(bool isSecurityDataValid, string memory securityDataErrorMessage) = SecurityLib.validate(
mintERC721Data.securityData
);
if (!isSecurityDataValid) {
return (false, securityDataErrorMessage);
}
return (true, "");
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./SecurityLib.sol";
import "./SignatureLib.sol";
library MintERC721Lib {
struct MintERC721Data {
SecurityLib.SecurityData securityData;
address minter;
address to;
uint256 tokenId;
bytes data;
}
bytes32 private constant _MINT_ERC721_TYPEHASH =
keccak256(
bytes(
"MintERC721Data(SecurityData securityData,address minter,address to,uint256 tokenId,bytes data)SecurityData(uint256 validFrom,uint256 validTo,uint256 salt)"
)
);
function hashStruct(MintERC721Data memory mintERC721Data) internal pure returns (bytes32) {
return
keccak256(
abi.encode(
_MINT_ERC721_TYPEHASH,
SecurityLib.hashStruct(mintERC721Data.securityData),
mintERC721Data.minter,
mintERC721Data.to,
mintERC721Data.tokenId,
keccak256(mintERC721Data.data)
)
);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library SecurityLib {
struct SecurityData {
uint256 validFrom;
uint256 validTo;
uint256 salt;
}
bytes32 private constant _SECURITY_TYPEHASH =
keccak256(abi.encodePacked("SecurityData(uint256 validFrom,uint256 validTo,uint256 salt)"));
function validate(SecurityData memory securityData) internal view returns (bool, string memory) {
if (securityData.validFrom > block.timestamp) {
return (false, "SecurityLib: valid from verification failed");
}
if (securityData.validTo < block.timestamp) {
return (false, "SecurityLib: valid to verification failed");
}
return (true, "");
}
function hashStruct(SecurityData memory securityData) internal pure returns (bytes32) {
return keccak256(abi.encode(_SECURITY_TYPEHASH, securityData.validFrom, securityData.validTo, securityData.salt));
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/metatx/ERC2771ContextUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721BurnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/cryptography/draft-EIP712Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
import "../interfaces/IChocoMintERC721.sol";
import "../utils/AdminController.sol";
import "../utils/DefaultApproval.sol";
import "../utils/FreezableProvenance.sol";
import "../utils/FreezableRoot.sol";
import "../utils/FreezableTokenURI.sol";
import "../utils/FreezableRoyalty.sol";
import "../utils/TotalSupply.sol";
import "../utils/TxValidatable.sol";
abstract contract ChocoMintERC721Base is
Initializable,
ContextUpgradeable,
EIP712Upgradeable,
ERC2771ContextUpgradeable,
ERC721Upgradeable,
ERC721BurnableUpgradeable,
AdminController,
DefaultApproval,
FreezableProvenance,
FreezableRoot,
FreezableTokenURI,
FreezableRoyalty,
TotalSupply,
TxValidatable
{
function freezeProvenance() external onlyAdminOrOwner {
_freezeProvenance();
}
function setProvenance(string memory _provenance, bool freezing) external onlyAdminOrOwner {
_setProvenance(_provenance, freezing);
}
function freezeRoot() external onlyAdminOrOwner {
_freezeRoot();
}
function setRoot(bytes32 _root, bool freezing) external onlyAdminOrOwner {
_setRoot(_root, freezing);
}
function freezeTokenURI() external onlyAdminOrOwner {
_freezeAllTokenStaticURI();
_freezeTokenURIBase();
}
function freezeAllTokenStaticURI() external onlyAdminOrOwner {
_freezeAllTokenStaticURI();
}
function freezeTokenStaticURI(uint256 tokenId) external onlyAdminOrOwner {
_freezeTokenStaticURI(tokenId);
}
function freezeTokenURIBase() external onlyAdminOrOwner {
_freezeTokenURIBase();
}
function setTokenStaticURI(
uint256 tokenId,
string memory tokenStaticURI,
bool freezing
) external onlyAdminOrOwner {
_setTokenStaticURI(tokenId, tokenStaticURI, freezing);
}
function setTokenURIBase(string memory tokenURIBase, bool freezing) external onlyAdminOrOwner {
_setTokenURIBase(tokenURIBase, freezing);
}
function freezeRoyalty() external onlyAdminOrOwner {
_freezeAllTokenRoyalty();
_freezeDefaultRoyalty();
}
function freezeAllTokenRoyalty() external onlyAdminOrOwner {
_freezeAllTokenRoyalty();
}
function freezeDefaultRoyalty() external onlyAdminOrOwner {
_freezeDefaultRoyalty();
}
function freezeTokenRoyalty(uint256 tokenId) external onlyAdminOrOwner {
_freezeTokenRoyalty(tokenId);
}
function setTokenRoyalty(
uint256 tokenId,
RoyaltyLib.RoyaltyData memory royaltyData,
bool freezing
) external onlyAdminOrOwner {
_setTokenRoyalty(tokenId, royaltyData, freezing);
}
function setDefaultRoyalty(RoyaltyLib.RoyaltyData memory royaltyData, bool freezing) external onlyAdminOrOwner {
_setDefaultRoyalty(royaltyData, freezing);
}
function initialize(
string memory name,
string memory version,
string memory symbol,
address trustedForwarder,
address[] memory defaultApprovals
) public initializer {
__Ownable_init_unchained();
__EIP712_init_unchained(name, version);
__ERC721_init_unchained(name, symbol);
__ERC2771Context_init_unchained(trustedForwarder);
for (uint256 i = 0; i < defaultApprovals.length; i++) {
_setDefaultApproval(defaultApprovals[i], true);
}
}
function supportsInterface(bytes4 interfaceId)
public
view
virtual
override(ERC721Upgradeable, FreezableRoyalty)
returns (bool)
{
return interfaceId == type(IChocoMintERC721).interfaceId || super.supportsInterface(interfaceId);
}
function isApprovedForAll(address owner, address operator)
public
view
virtual
override(ERC721Upgradeable, DefaultApproval)
returns (bool)
{
return super.isApprovedForAll(owner, operator);
}
function tokenURI(uint256 tokenId)
public
view
override(ERC721Upgradeable, FreezableTokenURI)
returns (string memory)
{
return super.tokenURI(tokenId);
}
function _mint(address to, uint256 tokenId) internal virtual override(ERC721Upgradeable, TotalSupply) {
super._mint(to, tokenId);
}
function _burn(uint256 tokenId)
internal
virtual
override(ERC721Upgradeable, FreezableRoyalty, FreezableTokenURI, TotalSupply)
{
super._burn(tokenId);
}
function _msgSender() internal view override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (address) {
return super._msgSender();
}
function _msgData() internal view override(ContextUpgradeable, ERC2771ContextUpgradeable) returns (bytes memory) {
return super._msgData();
}
function _baseURI() internal view virtual override(ERC721Upgradeable, FreezableTokenURI) returns (string memory) {
return super._baseURI();
}
function _isApprovedOrOwner(address spender, uint256 tokenId)
internal
view
virtual
override(ERC721Upgradeable, DefaultApproval)
returns (bool)
{
return super._isApprovedOrOwner(spender, tokenId);
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library SignatureLib {
struct SignatureData {
bytes32 root;
bytes32[] proof;
bytes signature;
}
bytes32 private constant _SIGNATURE_DATA_TYPEHASH = keccak256(bytes("SignatureData(bytes32 root)"));
function hashStruct(SignatureData memory signatureData) internal pure returns (bytes32) {
return keccak256(abi.encode(_SIGNATURE_DATA_TYPEHASH, signatureData.root));
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";
/**
* @dev Context variant with ERC2771 support.
*/
abstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable {
address private _trustedForwarder;
function __ERC2771Context_init(address trustedForwarder) internal initializer {
__Context_init_unchained();
__ERC2771Context_init_unchained(trustedForwarder);
}
function __ERC2771Context_init_unchained(address trustedForwarder) internal initializer {
_trustedForwarder = trustedForwarder;
}
function isTrustedForwarder(address forwarder) public view virtual returns (bool) {
return forwarder == _trustedForwarder;
}
function _msgSender() internal view virtual override returns (address sender) {
if (isTrustedForwarder(msg.sender)) {
// The assembly code is more direct than the Solidity version using `abi.decode`.
assembly {
sender := shr(96, calldataload(sub(calldatasize(), 20)))
}
} else {
return super._msgSender();
}
}
function _msgData() internal view virtual override returns (bytes calldata) {
if (isTrustedForwarder(msg.sender)) {
return msg.data[:msg.data.length - 20];
} else {
return super._msgData();
}
}
uint256[49] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @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 a proxied contract can't have 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.
*
* 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.
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Modifier to protect an initializer function from being invoked twice.
*/
modifier initializer() {
require(_initializing || !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC721Upgradeable.sol";
import "./IERC721ReceiverUpgradeable.sol";
import "./extensions/IERC721MetadataUpgradeable.sol";
import "../../utils/AddressUpgradeable.sol";
import "../../utils/ContextUpgradeable.sol";
import "../../utils/StringsUpgradeable.sol";
import "../../utils/introspection/ERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata extension, but not including the Enumerable extension, which is available separately as
* {ERC721Enumerable}.
*/
contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {
using AddressUpgradeable for address;
using StringsUpgradeable for uint256;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to owner address
mapping(uint256 => address) private _owners;
// Mapping owner address to token count
mapping(address => uint256) private _balances;
// Mapping from token ID to approved address
mapping(uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
function __ERC721_init(string memory name_, string memory symbol_) internal initializer {
__Context_init_unchained();
__ERC165_init_unchained();
__ERC721_init_unchained(name_, symbol_);
}
function __ERC721_init_unchained(string memory name_, string memory symbol_) internal initializer {
_name = name_;
_symbol = symbol_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
return
interfaceId == type(IERC721Upgradeable).interfaceId ||
interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _balances[owner];
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _owners[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, can be overriden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return "";
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721Upgradeable.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(
address from,
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _owners[tokenId] != address(0);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721Upgradeable.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_mint(to, tokenId);
require(
_checkOnERC721Received(address(0), to, tokenId, _data),
"ERC721: transfer to non ERC721Receiver implementer"
);
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721Upgradeable.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
_balances[owner] -= 1;
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(
address from,
address to,
uint256 tokenId
) internal virtual {
require(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_balances[from] -= 1;
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits a {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721Upgradeable.ownerOf(tokenId), to, tokenId);
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721ReceiverUpgradeable.onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
uint256[44] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../ERC721Upgradeable.sol";
import "../../../utils/ContextUpgradeable.sol";
import "../../../proxy/utils/Initializable.sol";
/**
* @title ERC721 Burnable Token
* @dev ERC721 Token that can be irreversibly burned (destroyed).
*/
abstract contract ERC721BurnableUpgradeable is Initializable, ContextUpgradeable, ERC721Upgradeable {
function __ERC721Burnable_init() internal initializer {
__Context_init_unchained();
__ERC165_init_unchained();
__ERC721Burnable_init_unchained();
}
function __ERC721Burnable_init_unchained() internal initializer {
}
/**
* @dev Burns `tokenId`. See {ERC721-_burn}.
*
* Requirements:
*
* - The caller must own `tokenId` or be an approved operator.
*/
function burn(uint256 tokenId) public virtual {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved");
_burn(tokenId);
}
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
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 initializer {
__ERC165_init_unchained();
}
function __ERC165_init_unchained() internal initializer {
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165Upgradeable).interfaceId;
}
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./ECDSAUpgradeable.sol";
import "../../proxy/utils/Initializable.sol";
/**
* @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
*
* The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,
* thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding
* they need in their contracts using a combination of `abi.encode` and `keccak256`.
*
* This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
* scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
* ({_hashTypedDataV4}).
*
* The implementation of the domain separator was designed to be as efficient as possible while still properly updating
* the chain id to protect against replay attacks on an eventual fork of the chain.
*
* NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
* https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
*
* _Available since v3.4._
*/
abstract contract EIP712Upgradeable is Initializable {
/* solhint-disable var-name-mixedcase */
bytes32 private _HASHED_NAME;
bytes32 private _HASHED_VERSION;
bytes32 private constant _TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
/* solhint-enable var-name-mixedcase */
/**
* @dev Initializes the domain separator and parameter caches.
*
* The meaning of `name` and `version` is specified in
* https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
*
* - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
* - `version`: the current major version of the signing domain.
*
* NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
* contract upgrade].
*/
function __EIP712_init(string memory name, string memory version) internal initializer {
__EIP712_init_unchained(name, version);
}
function __EIP712_init_unchained(string memory name, string memory version) internal initializer {
bytes32 hashedName = keccak256(bytes(name));
bytes32 hashedVersion = keccak256(bytes(version));
_HASHED_NAME = hashedName;
_HASHED_VERSION = hashedVersion;
}
/**
* @dev Returns the domain separator for the current chain.
*/
function _domainSeparatorV4() internal view returns (bytes32) {
return _buildDomainSeparator(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash());
}
function _buildDomainSeparator(
bytes32 typeHash,
bytes32 nameHash,
bytes32 versionHash
) private view returns (bytes32) {
return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this)));
}
/**
* @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
* function returns the hash of the fully encoded EIP712 message for this domain.
*
* This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
*
* ```solidity
* bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
* keccak256("Mail(address to,string contents)"),
* mailTo,
* keccak256(bytes(mailContents))
* )));
* address signer = ECDSA.recover(digest, signature);
* ```
*/
function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
return ECDSAUpgradeable.toTypedDataHash(_domainSeparatorV4(), structHash);
}
/**
* @dev The hash of the name parameter for the EIP712 domain.
*
* NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
* are a concern.
*/
function _EIP712NameHash() internal virtual view returns (bytes32) {
return _HASHED_NAME;
}
/**
* @dev The hash of the version parameter for the EIP712 domain.
*
* NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
* are a concern.
*/
function _EIP712VersionHash() internal virtual view returns (bytes32) {
return _HASHED_VERSION;
}
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
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 initializer {
__Context_init_unchained();
}
function __Context_init_unchained() internal initializer {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../utils/MintERC721Lib.sol";
import "../utils/SignatureLib.sol";
interface IChocoMintERC721 {
event Minted(bytes32 indexed mintERC721Hash);
function mint(MintERC721Lib.MintERC721Data memory mintERC721Data, SignatureLib.SignatureData memory signatureData)
external;
function isMinted(uint256 tokenId) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
abstract contract AdminController is ContextUpgradeable, OwnableUpgradeable {
mapping(address => bool) private _admins;
event AdminSet(address indexed account, bool indexed status);
modifier onlyAdmin() {
address sender = _msgSender();
(bool isAdminValid, string memory errorAdminMessage) = _validateAdmin(sender);
require(isAdminValid, errorAdminMessage);
_;
}
modifier onlyAdminOrOwner() {
address sender = _msgSender();
(bool isAdminValid, string memory errorAdminMessage) = _validateAdminOrOwner(sender);
require(isAdminValid, errorAdminMessage);
_;
}
function setAdmin(address account, bool status) external onlyOwner {
_setAdmin(account, status);
}
function renounceAdmin() external onlyAdmin {
address sender = _msgSender();
_setAdmin(sender, false);
}
function _setAdmin(address account, bool status) internal {
require(_admins[account] != status, "AdminController: admin already set");
_admins[account] = status;
emit AdminSet(account, status);
}
function _isAdmin(address account) internal view returns (bool) {
return _admins[account];
}
function _isAdminOrOwner(address account) internal view returns (bool) {
return owner() == account || _isAdmin(account);
}
function _validateAdmin(address account) internal view returns (bool, string memory) {
if (!_isAdmin(account)) {
return (false, "AdminController: admin verification failed");
}
return (true, "");
}
function _validateAdminOrOwner(address account) internal view returns (bool, string memory) {
if (!_isAdminOrOwner(account)) {
return (false, "AdminController: admin or owner verification failed");
}
return (true, "");
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
abstract contract DefaultApproval is ERC721Upgradeable {
mapping(address => bool) private _defaultApprovals;
event DefaultApprovalSet(address indexed operator, bool indexed status);
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _defaultApprovals[operator] || super.isApprovedForAll(owner, operator);
}
function _setDefaultApproval(address operator, bool status) internal {
require(_defaultApprovals[operator] != status, "DefaultApproval: default approval already set");
_defaultApprovals[operator] = status;
emit DefaultApprovalSet(operator, status);
}
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual override returns (bool) {
return _defaultApprovals[spender] || super._isApprovedOrOwner(spender, tokenId);
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract FreezableProvenance {
string private _provenance;
bool private _isProvenanceFreezed;
event ProvenanceFreezed();
event ProvenanceSet(string provenance);
modifier whenNotProvenanceFreezed() {
require(!_isProvenanceFreezed, "FreezableProvenance: provenance already freezed");
_;
}
function provenance() public view returns (string memory) {
return _provenance;
}
function _freezeProvenance() internal whenNotProvenanceFreezed {
_isProvenanceFreezed = true;
emit ProvenanceFreezed();
}
function _setProvenance(string memory provenance_, bool freezing) internal whenNotProvenanceFreezed {
_provenance = provenance_;
emit ProvenanceSet(provenance_);
if (freezing) {
_freezeProvenance();
}
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract FreezableRoot {
bytes32 private _root;
bool private _isRootFreezed;
event RootFreezed();
event RootSet(bytes32 root);
modifier whenNotRootFreezed() {
require(!_isRootFreezed, "FreezableRoot: root already freezed");
_;
}
function root() public view returns (bytes32) {
return _root;
}
function _freezeRoot() internal whenNotRootFreezed {
_isRootFreezed = true;
emit RootFreezed();
}
function _setRoot(bytes32 root_, bool freezing) internal whenNotRootFreezed {
_root = root_;
emit RootSet(root_);
if (freezing) {
_freezeRoot();
}
}
function _validateRoot(bytes32 root_) internal view returns (bool, string memory) {
if (_root != bytes32(0x0) && _root != root_) {
return (false, "FreezableRoot: root verification failed");
}
return (true, "");
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
abstract contract FreezableTokenURI is ERC721Upgradeable {
mapping(uint256 => string) private _tokenStaticURIs;
mapping(uint256 => bool) private _isTokenStaticURIFreezed;
bool private _isAllTokenStaticURIFreezed;
bool private _isTokenURIBaseFreezed;
string private _tokenURIBase;
event AllTokenStaticURIFreezed();
event TokenStaticURIFreezed(uint256 tokenId);
event TokenStaticURIDefrosted(uint256 tokenId);
event TokenStaticURISet(uint256 indexed tokenId, string tokenStaticURI);
event TokenURIBaseFreezed();
event TokenURIBaseSet(string tokenURIBase);
modifier whenNotAllTokenStaticURIFreezed() {
require(!_isAllTokenStaticURIFreezed, "FreezableTokenURI: all token static URI already freezed");
_;
}
modifier whenNotTokenStaticURIFreezed(uint256 tokenId) {
require(!_isTokenStaticURIFreezed[tokenId], "FreezableTokenURI: token static URI already freezed");
_;
}
modifier whenNotTokenURIBaseFreezed() {
require(!_isTokenURIBaseFreezed, "FreezableTokenURI: token URI base already freezed");
_;
}
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "FreezableTokenURI: URI query for nonexistent token");
string memory _tokenStaticURI = _tokenStaticURIs[tokenId];
if (bytes(_tokenStaticURI).length > 0) {
return _tokenStaticURI;
}
return super.tokenURI(tokenId);
}
function _freezeAllTokenStaticURI() internal whenNotAllTokenStaticURIFreezed {
_isAllTokenStaticURIFreezed = true;
emit AllTokenStaticURIFreezed();
}
function _freezeTokenStaticURI(uint256 tokenId)
internal
whenNotAllTokenStaticURIFreezed
whenNotTokenStaticURIFreezed(tokenId)
{
require(_exists(tokenId), "FreezableTokenURI: URI freeze for nonexistent token");
_isTokenStaticURIFreezed[tokenId] = true;
emit TokenStaticURIFreezed(tokenId);
}
function _setTokenStaticURI(
uint256 tokenId,
string memory _tokenStaticURI,
bool freezing
) internal whenNotAllTokenStaticURIFreezed whenNotTokenStaticURIFreezed(tokenId) {
require(_exists(tokenId), "FreezableTokenURI: URI set for nonexistent token");
_tokenStaticURIs[tokenId] = _tokenStaticURI;
emit TokenStaticURISet(tokenId, string(_tokenStaticURI));
if (freezing) {
_freezeTokenStaticURI(tokenId);
}
}
function _freezeTokenURIBase() internal whenNotTokenURIBaseFreezed {
_isTokenURIBaseFreezed = true;
emit TokenURIBaseFreezed();
}
function _setTokenURIBase(string memory tokenURIBase, bool freezing) internal whenNotTokenURIBaseFreezed {
_tokenURIBase = tokenURIBase;
emit TokenURIBaseSet(tokenURIBase);
if (freezing) {
_freezeTokenURIBase();
}
}
function _burn(uint256 tokenId) internal virtual override {
super._burn(tokenId);
if (bytes(_tokenStaticURIs[tokenId]).length > 0) {
delete _tokenStaticURIs[tokenId];
emit TokenStaticURISet(tokenId, "");
if (_isTokenStaticURIFreezed[tokenId]) {
_isTokenStaticURIFreezed[tokenId] = false;
emit TokenStaticURIDefrosted(tokenId);
}
}
}
function _baseURI() internal view virtual override returns (string memory) {
return _tokenURIBase;
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
import "../interfaces/IERC2981.sol";
import "./RoyaltyLib.sol";
contract FreezableRoyalty is ERC721Upgradeable, IERC2981 {
mapping(uint256 => RoyaltyLib.RoyaltyData) private _tokenRoyalties;
mapping(uint256 => bool) private _isTokenRoyaltyFreezed;
RoyaltyLib.RoyaltyData private _defaultRoyalty;
bool private _isAllTokenRoyaltyFreezed;
bool private _isDefaultRoyaltyFreezed;
event AllTokenRoyaltyFreezed();
event TokenRoyaltyFreezed(uint256 tokenId);
event TokenRoyaltyDefrosted(uint256 tokenId);
event TokenRoyaltySet(uint256 tokenId, address recipient, uint256 bps);
event DefaultRoyaltyFreezed();
event DefaultRoyaltySet(address recipient, uint256 bps);
modifier requireValidRoyalty(RoyaltyLib.RoyaltyData memory royaltyData) {
(bool isValid, string memory errorMessage) = RoyaltyLib.validate(royaltyData);
require(isValid, errorMessage);
_;
}
modifier whenNotAllTokenRoyaltyFreezed() {
require(!_isAllTokenRoyaltyFreezed, "FreezableRoyalty: all token royalty already freezed");
_;
}
modifier whenNotTokenRoyaltyFreezed(uint256 tokenId) {
require(!_isTokenRoyaltyFreezed[tokenId], "FreezableRoyalty: token royalty already freezed");
_;
}
modifier whenNotDefaultRoyaltyFreezed() {
require(!_isDefaultRoyaltyFreezed, "FreezableRoyalty: default royalty already freezed");
_;
}
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
}
function royaltyInfo(uint256 tokenId, uint256 salePrice) public view override returns (address, uint256) {
require(_exists(tokenId), "FreezableRoyalty: royalty query for nonexistent token");
if (RoyaltyLib.isNotNull(_tokenRoyalties[tokenId])) {
return (_tokenRoyalties[tokenId].recipient, RoyaltyLib.calc(salePrice, _tokenRoyalties[tokenId].bps));
}
if (RoyaltyLib.isNotNull(_defaultRoyalty)) {
return (_defaultRoyalty.recipient, RoyaltyLib.calc(salePrice, _defaultRoyalty.bps));
}
return (address(0x0), 0);
}
function _freezeAllTokenRoyalty() internal whenNotAllTokenRoyaltyFreezed {
_isAllTokenRoyaltyFreezed = true;
emit AllTokenRoyaltyFreezed();
}
function _freezeTokenRoyalty(uint256 tokenId)
internal
whenNotAllTokenRoyaltyFreezed
whenNotTokenRoyaltyFreezed(tokenId)
{
require(_exists(tokenId), "FreezableRoyalty: royalty freeze for nonexistent token");
_isTokenRoyaltyFreezed[tokenId] = true;
emit TokenRoyaltyFreezed(tokenId);
}
function _freezeDefaultRoyalty() internal whenNotDefaultRoyaltyFreezed {
_isDefaultRoyaltyFreezed = true;
emit DefaultRoyaltyFreezed();
}
function _setTokenRoyalty(
uint256 tokenId,
RoyaltyLib.RoyaltyData memory royaltyData,
bool freezing
) internal whenNotAllTokenRoyaltyFreezed whenNotTokenRoyaltyFreezed(tokenId) requireValidRoyalty(royaltyData) {
require(_exists(tokenId), "FreezableRoyalty: royalty set for nonexistent token");
_tokenRoyalties[tokenId] = royaltyData;
emit TokenRoyaltySet(tokenId, royaltyData.recipient, royaltyData.bps);
if (freezing) {
_freezeTokenRoyalty(tokenId);
}
}
function _setDefaultRoyalty(RoyaltyLib.RoyaltyData memory royaltyData, bool freezing)
internal
whenNotDefaultRoyaltyFreezed
requireValidRoyalty(royaltyData)
{
_defaultRoyalty = royaltyData;
emit DefaultRoyaltySet(royaltyData.recipient, royaltyData.bps);
if (freezing) {
_freezeDefaultRoyalty();
}
}
function _burn(uint256 tokenId) internal virtual override {
super._burn(tokenId);
if (RoyaltyLib.isNotNull(_tokenRoyalties[tokenId])) {
delete _tokenRoyalties[tokenId];
emit TokenRoyaltySet(tokenId, address(0x0), 0);
if (_isTokenRoyaltyFreezed[tokenId]) {
_isTokenRoyaltyFreezed[tokenId] = false;
emit TokenRoyaltyDefrosted(tokenId);
}
}
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
abstract contract TotalSupply is ERC721Upgradeable {
uint256 private _totalSupply;
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
function _mint(address to, uint256 tokenId) internal virtual override {
super._mint(to, tokenId);
_totalSupply++;
}
function _burn(uint256 tokenId) internal virtual override {
super._burn(tokenId);
_totalSupply--;
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/utils/cryptography/draft-EIP712Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/cryptography/MerkleProofUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/cryptography/SignatureCheckerUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
import "./FreezableRoot.sol";
import "./Revocable.sol";
import "./SignatureLib.sol";
abstract contract TxValidatable is ContextUpgradeable, EIP712Upgradeable, FreezableRoot, Revocable {
using MerkleProofUpgradeable for bytes32[];
using SignatureCheckerUpgradeable for address;
function _validateTx(
address signer,
bytes32 hash,
SignatureLib.SignatureData memory signatureData
) internal view returns (bool, string memory) {
(bool isHashValid, string memory hashErrorMessage) = _validateHash(hash);
if (!isHashValid) {
return (false, hashErrorMessage);
}
(bool isRootValid, string memory rootErrorMessage) = _validateRoot(signatureData.root);
if (!isRootValid) {
return (false, rootErrorMessage);
}
if (!signatureData.proof.verify(signatureData.root, hash)) {
return (false, "TxValidatable: proof verification failed");
}
if (signatureData.signature.length == 0) {
address sender = _msgSender();
if (signer != sender) {
return (false, "TxValidatable: sender verification failed");
}
} else {
if (
!signer.isValidSignatureNow(_hashTypedDataV4(SignatureLib.hashStruct(signatureData)), signatureData.signature)
) {
if (!signer.isValidSignatureNow(_hashTypedDataV4(hash), signatureData.signature)) {
return (false, "TxValidatable: signature verification failed");
}
}
}
return (true, "");
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165Upgradeable.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721Upgradeable is IERC165Upgradeable {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721ReceiverUpgradeable {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
*/
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../IERC721Upgradeable.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721MetadataUpgradeable is IERC721Upgradeable {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @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
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 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 functionCall(target, data, "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");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(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) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason 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 {
// 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
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library StringsUpgradeable {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}// SPDX-License-Identifier: MIT
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
pragma solidity ^0.8.0;
/**
* @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
*
* These functions can be used to verify that a message was signed by the holder
* of the private keys of a given address.
*/
library ECDSAUpgradeable {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS,
InvalidSignatureV
}
function _throwError(RecoverError error) private pure {
if (error == RecoverError.NoError) {
return; // no error: do nothing
} else if (error == RecoverError.InvalidSignature) {
revert("ECDSA: invalid signature");
} else if (error == RecoverError.InvalidSignatureLength) {
revert("ECDSA: invalid signature length");
} else if (error == RecoverError.InvalidSignatureS) {
revert("ECDSA: invalid signature 's' value");
} else if (error == RecoverError.InvalidSignatureV) {
revert("ECDSA: invalid signature 'v' value");
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature` or error string. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*
* Documentation for signature generation:
* - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
* - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
*
* _Available since v4.3._
*/
function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
// Check the signature length
// - case 65: r,s,v signature (standard)
// - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
if (signature.length == 65) {
bytes32 r;
bytes32 s;
uint8 v;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
return tryRecover(hash, v, r, s);
} else if (signature.length == 64) {
bytes32 r;
bytes32 vs;
// ecrecover takes the signature parameters, and the only way to get them
// currently is to use assembly.
assembly {
r := mload(add(signature, 0x20))
vs := mload(add(signature, 0x40))
}
return tryRecover(hash, r, vs);
} else {
return (address(0), RecoverError.InvalidSignatureLength);
}
}
/**
* @dev Returns the address that signed a hashed message (`hash`) with
* `signature`. This address can then be used for verification purposes.
*
* The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
* this function rejects them by requiring the `s` value to be in the lower
* half order, and the `v` value to be either 27 or 28.
*
* IMPORTANT: `hash` _must_ be the result of a hash operation for the
* verification to be secure: it is possible to craft signatures that
* recover to arbitrary addresses for non-hashed data. A safe way to ensure
* this is by receiving a hash of the original message (which may otherwise
* be too long), and then calling {toEthSignedMessageHash} on it.
*/
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, signature);
_throwError(error);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
*
* See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
*
* _Available since v4.3._
*/
function tryRecover(
bytes32 hash,
bytes32 r,
bytes32 vs
) internal pure returns (address, RecoverError) {
bytes32 s;
uint8 v;
assembly {
s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
v := add(shr(255, vs), 27)
}
return tryRecover(hash, v, r, s);
}
/**
* @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
*
* _Available since v4.2._
*/
function recover(
bytes32 hash,
bytes32 r,
bytes32 vs
) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, r, vs);
_throwError(error);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `v`,
* `r` and `s` signature fields separately.
*
* _Available since v4.3._
*/
function tryRecover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address, RecoverError) {
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS);
}
if (v != 27 && v != 28) {
return (address(0), RecoverError.InvalidSignatureV);
}
// If the signature is valid (and not malleable), return the signer address
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) {
return (address(0), RecoverError.InvalidSignature);
}
return (signer, RecoverError.NoError);
}
/**
* @dev Overload of {ECDSA-recover} that receives the `v`,
* `r` and `s` signature fields separately.
*/
function recover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, v, r, s);
_throwError(error);
return recovered;
}
/**
* @dev Returns an Ethereum Signed Message, created from a `hash`. This
* produces hash corresponding to the one signed with the
* https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
* JSON-RPC method as part of EIP-191.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
// 32 is the length in bytes of hash,
// enforced by the type signature above
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
}
/**
* @dev Returns an Ethereum Signed Typed Data, created from a
* `domainSeparator` and a `structHash`. This produces hash corresponding
* to the one signed with the
* https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
* JSON-RPC method as part of EIP-712.
*
* See {recover}.
*/
function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
}
}// SPDX-License-Identifier: MIT
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 initializer {
__Context_init_unchained();
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal initializer {
_setOwner(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
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 {
_setOwner(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");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
uint256[49] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IERC2981 {
function royaltyInfo(uint256 tokenId, uint256 value) external view returns (address, uint256);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./SecurityLib.sol";
import "./HashLib.sol";
library RoyaltyLib {
struct RoyaltyData {
address recipient;
uint256 bps;
}
uint256 private constant _BPS_BASE = 10000;
bytes32 private constant _ROYALTY_TYPEHASH = keccak256(bytes("RoyaltyData(address recipient,uint256 bps)"));
function hashStruct(RoyaltyData memory royaltyData) internal pure returns (bytes32) {
return keccak256(abi.encode(_ROYALTY_TYPEHASH, royaltyData.recipient, royaltyData.bps));
}
function validate(RoyaltyData memory royaltyData) internal pure returns (bool, string memory) {
if (royaltyData.recipient == address(0x0)) {
return (false, "RoyaltyLib: recipient verification failed");
}
if (royaltyData.bps == 0 || royaltyData.bps > _BPS_BASE) {
return (false, "RoyaltyLib: bps verification failed");
}
return (true, "");
}
function calc(uint256 salePrice, uint256 bps) internal pure returns (uint256) {
return (salePrice * bps) / _BPS_BASE;
}
function isNotNull(RoyaltyLib.RoyaltyData memory royaltyData) internal pure returns (bool) {
return (royaltyData.recipient != address(0x0) && royaltyData.bps != 0);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library HashLib {
function hashBytesArray(bytes[] memory data) internal pure returns (bytes32) {
uint256 length = data.length;
bytes32[] memory result = new bytes32[](length);
for (uint256 i = 0; i < length; i++) {
result[i] = keccak256(abi.encodePacked(data[i]));
}
return keccak256(abi.encodePacked(result));
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev These functions deal with verification of Merkle Trees proofs.
*
* The proofs can be generated using the JavaScript library
* https://github.com/miguelmota/merkletreejs[merkletreejs].
* Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
*
* See `test/utils/cryptography/MerkleProof.test.js` for some examples.
*/
library MerkleProofUpgradeable {
/**
* @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) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
bytes32 proofElement = proof[i];
if (computedHash <= proofElement) {
// Hash(current computed hash + current element of the proof)
computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
} else {
// Hash(current element of the proof + current computed hash)
computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
}
}
// Check if the computed hash (root) is equal to the provided root
return computedHash == root;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./ECDSAUpgradeable.sol";
import "../AddressUpgradeable.sol";
import "../../interfaces/IERC1271Upgradeable.sol";
/**
* @dev Signature verification helper: Provide a single mechanism to verify both private-key (EOA) ECDSA signature and
* ERC1271 contract sigantures. Using this instead of ECDSA.recover in your contract will make them compatible with
* smart contract wallets such as Argent and Gnosis.
*
* Note: unlike ECDSA signatures, contract signature's are revocable, and the outcome of this function can thus change
* through time. It could return true at block N and false at block N+1 (or the opposite).
*
* _Available since v4.1._
*/
library SignatureCheckerUpgradeable {
function isValidSignatureNow(
address signer,
bytes32 hash,
bytes memory signature
) internal view returns (bool) {
(address recovered, ECDSAUpgradeable.RecoverError error) = ECDSAUpgradeable.tryRecover(hash, signature);
if (error == ECDSAUpgradeable.RecoverError.NoError && recovered == signer) {
return true;
}
(bool success, bytes memory result) = signer.staticcall(
abi.encodeWithSelector(IERC1271Upgradeable.isValidSignature.selector, hash, signature)
);
return (success && result.length == 32 && abi.decode(result, (bytes4)) == IERC1271Upgradeable.isValidSignature.selector);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract Revocable {
mapping(bytes32 => bool) private _isRevoked;
function _revokeHash(bytes32 hash) internal {
require(!_isRevoked[hash], "Revocable: hash verification failed");
_isRevoked[hash] = true;
}
function _validateHash(bytes32 hash) internal view returns (bool, string memory) {
if (_isRevoked[hash]) {
return (false, "Revocable: hash verification failed");
}
return (true, "");
}
// solhint-disable-next-line ordering
uint256[50] private __gap;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC1271 standard signature validation method for
* contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
*
* _Available since v4.1._
*/
interface IERC1271Upgradeable {
/**
* @dev Should return whether the signature provided is valid for the provided data
* @param hash Hash of the data to be signed
* @param signature Signature byte array associated with _data
*/
function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
}{
"optimizer": {
"enabled": true,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"metadata": {
"useLiteralContent": true
},
"libraries": {}
}Contract ABI
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":[],"name":"freezeAllTokenStaticURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"freezeDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"freezeProvenance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"freezeRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"freezeRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"freezeTokenRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"freezeTokenStaticURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"freezeTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"freezeTokenURIBase","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"version","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"address","name":"trustedForwarder","type":"address"},{"internalType":"address[]","name":"defaultApprovals","type":"address[]"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"isMinted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"forwarder","type":"address"}],"name":"isTrustedForwarder","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"components":[{"internalType":"uint256","name":"validFrom","type":"uint256"},{"internalType":"uint256","name":"validTo","type":"uint256"},{"internalType":"uint256","name":"salt","type":"uint256"}],"internalType":"struct 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$0.00
Net Worth in ETH
0
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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.