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Solidity
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
* [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 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 Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(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
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)
pragma solidity ^0.8.0;
import "../Strings.sol";
/**
* @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
*
* These functions can be used to verify that a message was signed by the holder
* of the private keys of a given address.
*/
library ECDSA {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS,
InvalidSignatureV
}
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 = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
uint8 v = uint8((uint256(vs) >> 255) + 27);
return tryRecover(hash, v, r, s);
}
/**
* @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
*
* _Available since v4.2._
*/
function recover(
bytes32 hash,
bytes32 r,
bytes32 vs
) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, r, vs);
_throwError(error);
return recovered;
}
/**
* @dev Overload of {ECDSA-tryRecover} that receives the `v`,
* `r` and `s` signature fields separately.
*
* _Available since v4.3._
*/
function tryRecover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address, RecoverError) {
// EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
// unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
// the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
// signatures from current libraries generate a unique signature with an s-value in the lower half order.
//
// If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
// with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
// vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
// these malleable signatures as well.
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS);
}
if (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 Message, created from `s`. This
* produces hash corresponding to the one signed with the
* https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
* JSON-RPC method as part of EIP-191.
*
* See {recover}.
*/
function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
}
/**
* @dev Returns an Ethereum Signed Typed Data, created from a
* `domainSeparator` and a `structHash`. This produces hash corresponding
* to the one signed with the
* https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
* JSON-RPC method as part of EIP-712.
*
* See {recover}.
*/
function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
// SPDX-License-Identifier: MIT
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol';
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/utils/Context.sol';
import '@openzeppelin/contracts/utils/Strings.sol';
import '@openzeppelin/contracts/utils/introspection/ERC165.sol';
error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintedQueryForZeroAddress();
error BurnedQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerIndexOutOfBounds();
error OwnerQueryForNonexistentToken();
error TokenIndexOutOfBounds();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata and Enumerable extension. Built to optimize for lower gas during batch mints.
*
* Assumes serials are sequentially minted starting at 0 (e.g. 0, 1, 2, 3..).
*
* Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
*
* Assumes that the maximum token id cannot exceed 2**128 - 1 (max value of uint128).
*/
contract ERC721A is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable {
using Address for address;
using Strings for uint256;
// Compiler will pack this into a single 256bit word.
struct TokenOwnership {
// The address of the owner.
address addr;
// Keeps track of the start time of ownership with minimal overhead for tokenomics.
uint64 startTimestamp;
// Whether the token has been burned.
bool burned;
}
// Compiler will pack this into a single 256bit word.
struct AddressData {
// Realistically, 2**64-1 is more than enough.
uint64 balance;
// Keeps track of mint count with minimal overhead for tokenomics.
uint64 numberMinted;
// Keeps track of burn count with minimal overhead for tokenomics.
uint64 numberBurned;
}
// Compiler will pack the following
// _currentIndex and _burnCounter into a single 256bit word.
// The tokenId of the next token to be minted.
uint128 internal _currentIndex;
// The number of tokens burned.
uint128 internal _burnCounter;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to ownership details
// An empty struct value does not necessarily mean the token is unowned. See ownershipOf implementation for details.
mapping(uint256 => TokenOwnership) internal _ownerships;
// Mapping owner address to address data
mapping(address => AddressData) private _addressData;
// 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;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
// Counter underflow is impossible as _burnCounter cannot be incremented
// more than _currentIndex times
unchecked {
return _currentIndex - _burnCounter;
}
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
* This read function is O(totalSupply). If calling from a separate contract, be sure to test gas first.
* It may also degrade with extremely large collection sizes (e.g >> 10000), test for your use case.
*/
function tokenByIndex(uint256 index) public view override returns (uint256) {
uint256 numMintedSoFar = _currentIndex;
uint256 tokenIdsIdx;
// Counter overflow is impossible as the loop breaks when
// uint256 i is equal to another uint256 numMintedSoFar.
unchecked {
for (uint256 i; i < numMintedSoFar; i++) {
TokenOwnership memory ownership = _ownerships[i];
if (!ownership.burned) {
if (tokenIdsIdx == index) {
return i;
}
tokenIdsIdx++;
}
}
}
revert TokenIndexOutOfBounds();
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
* This read function is O(totalSupply). If calling from a separate contract, be sure to test gas first.
* It may also degrade with extremely large collection sizes (e.g >> 10000), test for your use case.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) public view override returns (uint256) {
if (index >= balanceOf(owner)) revert OwnerIndexOutOfBounds();
uint256 numMintedSoFar = _currentIndex;
uint256 tokenIdsIdx;
address currOwnershipAddr;
// Counter overflow is impossible as the loop breaks when
// uint256 i is equal to another uint256 numMintedSoFar.
unchecked {
for (uint256 i; i < numMintedSoFar; i++) {
TokenOwnership memory ownership = _ownerships[i];
if (ownership.burned) {
continue;
}
if (ownership.addr != address(0)) {
currOwnershipAddr = ownership.addr;
}
if (currOwnershipAddr == owner) {
if (tokenIdsIdx == index) {
return i;
}
tokenIdsIdx++;
}
}
}
// Execution should never reach this point.
revert();
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
interfaceId == type(IERC721Enumerable).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view override returns (uint256) {
if (owner == address(0)) revert BalanceQueryForZeroAddress();
return uint256(_addressData[owner].balance);
}
function _numberMinted(address owner) internal view returns (uint256) {
if (owner == address(0)) revert MintedQueryForZeroAddress();
return uint256(_addressData[owner].numberMinted);
}
function _numberBurned(address owner) internal view returns (uint256) {
if (owner == address(0)) revert BurnedQueryForZeroAddress();
return uint256(_addressData[owner].numberBurned);
}
/**
* Gas spent here starts off proportional to the maximum mint batch size.
* It gradually moves to O(1) as tokens get transferred around in the collection over time.
*/
function ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
uint256 curr = tokenId;
unchecked {
if (curr < _currentIndex) {
TokenOwnership memory ownership = _ownerships[curr];
if (!ownership.burned) {
if (ownership.addr != address(0)) {
return ownership;
}
// Invariant:
// There will always be an ownership that has an address and is not burned
// before an ownership that does not have an address and is not burned.
// Hence, curr will not underflow.
while (true) {
curr--;
ownership = _ownerships[curr];
if (ownership.addr != address(0)) {
return ownership;
}
}
}
}
}
revert OwnerQueryForNonexistentToken();
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view override returns (address) {
return ownershipOf(tokenId).addr;
}
/**
* @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) {
if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
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 override {
address owner = ERC721A.ownerOf(tokenId);
if (to == owner) revert ApprovalToCurrentOwner();
if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {
revert ApprovalCallerNotOwnerNorApproved();
}
_approve(to, tokenId, owner);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view override returns (address) {
if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public override {
if (operator == _msgSender()) revert ApproveToCaller();
_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 {
_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 {
_transfer(from, to, tokenId);
if (!_checkOnERC721Received(from, to, tokenId, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
}
/**
* @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`),
*/
function _exists(uint256 tokenId) internal view returns (bool) {
return tokenId < _currentIndex && !_ownerships[tokenId].burned;
}
function _safeMint(address to, uint256 quantity) internal {
_safeMint(to, quantity, '');
}
/**
* @dev Safely mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
* - `quantity` must be greater than 0.
*
* Emits a {Transfer} event.
*/
function _safeMint(
address to,
uint256 quantity,
bytes memory _data
) internal {
_mint(to, quantity, _data, true);
}
/**
* @dev Mints `quantity` tokens and transfers them to `to`.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `quantity` must be greater than 0.
*
* Emits a {Transfer} event.
*/
function _mint(
address to,
uint256 quantity,
bytes memory _data,
bool safe
) internal {
uint256 startTokenId = _currentIndex;
if (to == address(0)) revert MintToZeroAddress();
if (quantity == 0) revert MintZeroQuantity();
_beforeTokenTransfers(address(0), to, startTokenId, quantity);
// Overflows are incredibly unrealistic.
// balance or numberMinted overflow if current value of either + quantity > 3.4e38 (2**128) - 1
// updatedIndex overflows if _currentIndex + quantity > 3.4e38 (2**128) - 1
unchecked {
_addressData[to].balance += uint64(quantity);
_addressData[to].numberMinted += uint64(quantity);
_ownerships[startTokenId].addr = to;
_ownerships[startTokenId].startTimestamp = uint64(block.timestamp);
uint256 updatedIndex = startTokenId;
for (uint256 i; i < quantity; i++) {
emit Transfer(address(0), to, updatedIndex);
if (safe && !_checkOnERC721Received(address(0), to, updatedIndex, _data)) {
revert TransferToNonERC721ReceiverImplementer();
}
updatedIndex++;
}
_currentIndex = uint128(updatedIndex);
}
_afterTokenTransfers(address(0), to, startTokenId, quantity);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
*
* 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
) private {
TokenOwnership memory prevOwnership = ownershipOf(tokenId);
bool isApprovedOrOwner = (_msgSender() == prevOwnership.addr ||
isApprovedForAll(prevOwnership.addr, _msgSender()) ||
getApproved(tokenId) == _msgSender());
if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();
if (to == address(0)) revert TransferToZeroAddress();
_beforeTokenTransfers(from, to, tokenId, 1);
// Clear approvals from the previous owner
_approve(address(0), tokenId, prevOwnership.addr);
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as tokenId would have to be 2**128.
unchecked {
_addressData[from].balance -= 1;
_addressData[to].balance += 1;
_ownerships[tokenId].addr = to;
_ownerships[tokenId].startTimestamp = uint64(block.timestamp);
// If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
// Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
uint256 nextTokenId = tokenId + 1;
if (_ownerships[nextTokenId].addr == address(0)) {
// This will suffice for checking _exists(nextTokenId),
// as a burned slot cannot contain the zero address.
if (nextTokenId < _currentIndex) {
_ownerships[nextTokenId].addr = prevOwnership.addr;
_ownerships[nextTokenId].startTimestamp = prevOwnership.startTimestamp;
}
}
}
emit Transfer(from, to, tokenId);
_afterTokenTransfers(from, to, tokenId, 1);
}
/**
* @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 {
TokenOwnership memory prevOwnership = ownershipOf(tokenId);
_beforeTokenTransfers(prevOwnership.addr, address(0), tokenId, 1);
// Clear approvals from the previous owner
_approve(address(0), tokenId, prevOwnership.addr);
// Underflow of the sender's balance is impossible because we check for
// ownership above and the recipient's balance can't realistically overflow.
// Counter overflow is incredibly unrealistic as tokenId would have to be 2**128.
unchecked {
_addressData[prevOwnership.addr].balance -= 1;
_addressData[prevOwnership.addr].numberBurned += 1;
// Keep track of who burned the token, and the timestamp of burning.
_ownerships[tokenId].addr = prevOwnership.addr;
_ownerships[tokenId].startTimestamp = uint64(block.timestamp);
_ownerships[tokenId].burned = true;
// If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
// Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
uint256 nextTokenId = tokenId + 1;
if (_ownerships[nextTokenId].addr == address(0)) {
// This will suffice for checking _exists(nextTokenId),
// as a burned slot cannot contain the zero address.
if (nextTokenId < _currentIndex) {
_ownerships[nextTokenId].addr = prevOwnership.addr;
_ownerships[nextTokenId].startTimestamp = prevOwnership.startTimestamp;
}
}
}
emit Transfer(prevOwnership.addr, address(0), tokenId);
_afterTokenTransfers(prevOwnership.addr, address(0), tokenId, 1);
// Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
unchecked {
_burnCounter++;
}
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits a {Approval} event.
*/
function _approve(
address to,
uint256 tokenId,
address owner
) private {
_tokenApprovals[tokenId] = to;
emit Approval(owner, 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 IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert TransferToNonERC721ReceiverImplementer();
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
/**
* @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
* And also called before burning one token.
*
* startTokenId - the first token id to be transferred
* quantity - the amount to be transferred
*
* 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, `tokenId` will be burned by `from`.
* - `from` and `to` are never both zero.
*/
function _beforeTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
/**
* @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes
* minting.
* And also called after one token has been burned.
*
* startTokenId - the first token id to be transferred
* quantity - the amount to be transferred
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
* transferred to `to`.
* - When `from` is zero, `tokenId` has been minted for `to`.
* - When `to` is zero, `tokenId` has been burned by `from`.
* - `from` and `to` are never both zero.
*/
function _afterTokenTransfers(
address from,
address to,
uint256 startTokenId,
uint256 quantity
) internal virtual {}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @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
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)
pragma solidity ^0.8.0;
import "../IERC721.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Enumerable is IERC721 {
/**
* @dev Returns the total amount of tokens stored by the contract.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns a token ID owned by `owner` at a given `index` of its token list.
* Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);
/**
* @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
* Use along with {totalSupply} to enumerate all tokens.
*/
function tokenByIndex(uint256 index) external view returns (uint256);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)
pragma solidity ^0.8.0;
import "../IERC721.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Metadata is IERC721 {
/**
* @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
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)
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 IERC721Receiver {
/**
* @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 ^0.8.4;
import "./IWord.sol";
interface IMintverseWord is IWord {
// Return true if the minter is eligible to claim the given amount word token with the signature.
function verify(uint256 maxQuantity, bytes calldata SIGNATURE) external view returns(bool);
// Changes the addon status of an address by owner.
function mintGiveawayDictionary(address to, bool addon) external;
// Mints tokens to an address with specific wordId by owner.
function mintGiveawayWord(address to, uint16 wordId, uint48 mintTimestamp) external;
// Whitelisted addresses mint specific amount of tokens with signature & maximum mintable amount to verify.
function mintWhitelistWord(uint256 quantity, uint256 maxClaimNum, bool addon, bytes calldata SIGNATURE) external payable;
// Public addresses mint specific amount of tokens.
function mintPublicWord(bool addon) external payable;
// Word token owners send five parameters to define the word.
function defineWord(uint256 tokenId, string calldata definer, uint8 partOfSpeech1, uint8 partOfSpeech2, string calldata relatedWord, string calldata description) external;
// Add the wordId to the end of random word bank.
function settleExpiredWord(uint256 startTokenId, uint256 endTokenId) external;
// View function to get the metadata of a specific token with tokenId.
function getTokenProperties(uint256 tokenId) external view returns(string memory definer, uint256 wordId, uint256 categoryId, uint256 partOfSpeechId1, uint256 partOfSpeechId2, string memory relatedWord, string memory description);
// View function to get the expired timestamp of a specific token with tokenId.
function getTokenExpirationTime(uint256 tokenId) external view returns(uint256 expirationTime);
// View function to get the status(dead or alive) of a specific token with tokenId.
function getTokenStatus(uint256 tokenId) external view returns(bool writtenOrNot);
// View function to get all the metadatas of the word tokens of the given address.
function getTokenPropertiesByOwner(address owner) external view returns(TokenInfo[] memory tokenInfos);
// View function to get all the expired timestamps of the word tokens of the given address.
function getTokenExpirationTimeByOwner(address owner) external view returns(uint256[] memory expirationTimes);
// View function to get all the status(dead or alive) of the word tokens of the given address.
function getTokenStatusByOwner(address owner) external view returns(bool[] memory writtenOrNot);
// View function to check if the given address has purchased the addon dictionary.
function getAddonStatusByOwner(address owner) external view returns(bool addon);
// View function to get all the token Id that a address owns.
function tokensOfOwner(address owner) external view returns(uint256[] memory);
// View function to get all the dictionary supply for dictionary contract.
function getTotalDictionary() external view returns (uint256 amount);
// Set the variables to enable the whitelist mint phase by owner.
function setWLMintPhase(bool hasWLMintStarted, uint256 wlMintTimestamp) external;
// Set the variables to enable the public mint phase by owner.
function setPublicMintPhase(bool hasPublicMintStarted, uint256 publicMintTimestamp) external;
// Set the price for minter to purchase addon dictionary.
function setDictPrice(uint256 price) external;
// Set the expiration time period of the token.
function setExpirationTime(uint48 expirationPeriod) external;
// Set the reveal timestamp to adjust tokens mint time.
function setRevealTimestamp(uint48 newRevealTimestamp) external;
// Set the categoryId of a specific token by tokenId.
function setCategoryByTokenId(uint256 tokenId, uint8 categoryId) external;
// **SYSTEM EMERGENCY CALLS**
// Set the maximum supply of the random tokens by owner.
function setMaxRandomWordTokenAmt(uint256 amount) external;
// Set the maximum supply of the giveaway tokens by owner.
function setMaxGiveawayWordTokenAmt(uint256 amount) external;
// Set the maximum supply of the dictionary by owner.
function setMaxDictAmt(uint256 amount) external;
// Set the index for head of random word.
function setHeadRandomWordId(uint16 index) external;
// Set the index for tail of random word.
function setTailRandomWordId(uint16 index) external;
// Set the index for tail of random word.
function setSettleHeadRandomWordId(uint16 index) external;
// Set the offset of the designated word id.
function setWordIdOffset(uint16 offsetAmount) external;
// **TOKEN EMERGENCY CALLS**
// Set the wordId of a specific token by tokenId.
function setTokenWordIdByTokenId(uint256 tokenId, uint16 wordId) external;
// Set the mint time of a specific token by tokenId.
function setTokenMintTimeByTokenId(uint256 tokenId, uint48 mintTimestamp) external;
// Set the defined status of a specific token by tokenId.
function setTokenDefineStatusByTokenId(uint256 tokenId, bool definedOrNot) external;
// Set the URI to return the tokens metadata.
function setBaseTokenURI(string calldata newBaseTokenURI) external;
// Set the URI for the legal document.
function setLegalDocumentURI(string calldata newLegalDocumentURI) external;
// Set the URI for the system mechanism document.
function setSystemMechanismDocumentURI(string calldata newSystemMechanismDocumentURI) external;
// Set the URI for the animation code document.
function setAnimationCodeDocumentURI(string calldata newAnimationCodeDocumentURI) external;
// Set the URI for the visual rebuild method document.
function setVisualRebuildDocumentURI(string calldata newVisualRebuildDocumentURI) external;
// Set the URI for the erc721 technical document.
function setERC721ATechinalDocumentURI(string calldata newERC721ATechinalDocumentURI) external;
// Set the URI for the wordId mapping document.
function setWordIdMappingDocumnetURI(string calldata newWordIdMappingDocumnetURI) external;
// Set the URI for the partOfSpeechId mapping document.
function setPartOfSpeechIdMappingDocumentURI(string calldata newPartOfSpeechIdMappingDocumentURI) external;
// Set the URI for the categoryId mapping document.
function setCategoryIdMappingDocumentURI(string calldata newCategoryIdMappingDocumentURI) external;
// Set the URI for the metadata mapping document.
function setMetadataMappingDocumentURI(string calldata newMetadataMappingDocumentURI) external;
// Set the address to transfer the contract fund to.
function setTreasury(address treasury) external;
// Withdraw all the fund inside the contract to the treasury address.
function withdrawAll() external payable;
// This event is triggered whenever a call to #mintGiveawayWord, #mintWhitelistWord, and #mintPublicWord succeeds.
event mintWordEvent(address owner, uint256 quantity, uint256 totalSupply);
// This event is triggered whenever a call to #defineWord succeeds.
event wordDefinedEvent(uint256 tokenId);
// This event is triggered whenever a call to #settleExpiredWord succeeds.
event moveWordToTheBack(uint256 oriWordId, uint256 newWordId);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
interface IWord {
struct TokenInfo {
string definerPart;
string relatedWordPart;
string descriptionPart;
uint16 wordPart;
uint8 categoryPart; // 1: Genesis Card, 2: Special Card, 3. Censored Card
uint8 partOfSpeechPart1;
uint8 partOfSpeechPart2;
uint48 mintTime;
bool defined;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import './libraries/ERC721A.sol';
import "./interfaces/IWord.sol";
import "./interfaces/IMintverseWord.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/draft-EIP712.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
/*
* ███╗ ███╗██╗███╗ ██╗████████╗██╗ ██╗███████╗██████╗ ███████╗███████╗ ██╗ ██╗ ██████╗ ██████╗ ██████╗
* ████╗ ████║██║████╗ ██║╚══██╔══╝██║ ██║██╔════╝██╔══██╗██╔════╝██╔════╝ ██║ ██║██╔═══██╗██╔══██╗██╔══██╗
* ██╔████╔██║██║██╔██╗ ██║ ██║ ██║ ██║█████╗ ██████╔╝███████╗█████╗ ██║ █╗ ██║██║ ██║██████╔╝██║ ██║
* ██║╚██╔╝██║██║██║╚██╗██║ ██║ ╚██╗ ██╔╝██╔══╝ ██╔══██╗╚════██║██╔══╝ ██║███╗██║██║ ██║██╔══██╗██║ ██║
* ██║ ╚═╝ ██║██║██║ ╚████║ ██║ ╚████╔╝ ███████╗██║ ██║███████║███████╗ ╚███╔███╔╝╚██████╔╝██║ ██║██████╔╝
* ╚═╝ ╚═╝╚═╝╚═╝ ╚═══╝ ╚═╝ ╚═══╝ ╚══════╝╚═╝ ╚═╝╚══════╝╚══════╝ ╚══╝╚══╝ ╚═════╝ ╚═╝ ╚═╝╚═════╝
* @ryanycw
*
* 第二宇宙辭典 鑄造宣言
* 1. 即使舊世界的文明已經滅亡，我們仍相信文字保存了曾有的宇宙。
* 2. 我們不排斥嶄新的當代文明，只是相信古老的符號裡，仍含有舊世界人類獨得之奧秘。
* 3. 我們不相信新世界與舊世界之間，是毫無關聯的兩個文明。
* 4. 我們相信在最簡單的線條裡，有最豐滿的形象、顏色與場景。
* 5. 我們確知一切最複雜的思想，必以最單純的音節組成。
* 6. 我們相信文字永不衰亡，只是沉睡。喚醒文字的方式，便是釋義、辨析、定義、區分⋯⋯。
* 7. 我們不執著於「正確」，我們更信任「想像」。因為，從線條聯想物象，音節捕捉概念，正是人類文明的輝煌起點。
* 8. 它是什麼意思；它不是什麼意思——這些都很重要。但最重要的是：它「還可以」是什麼意思？
* 9. 我們熱愛衝突，擁抱矛盾，因為激烈碰撞所能引出的奧秘，遠勝於眾口一聲的意見。
* 10. 我們堅決相信：在我們降生群聚的第一宇宙之外、之間、之前、之後，還有一個值得我們窮盡想像力去探索的第二宇宙。
*/
contract IMintverseWordStorage is IWord {
// Metadata Variables
mapping(uint256 => TokenInfo) public tokenItem;
// Mint Record Variables
mapping(address => bool) public mintedByAddress;
mapping(address => bool) public purchaseDictionaryCheckByAddress;
mapping(address => uint256) public whitelistMintAmount;
// Phase Limitation Variables
bool public mintWhitelistEnable;
bool public mintPublicEnable;
uint256 public mintWhitelistTimestamp;
uint256 public mintPublicTimestamp;
uint48 public revealTimestamp;
// Mint Record Variables
uint16 public totalDictionary;
uint16 public totalWordGiveaway;
uint16 public totalWordWhitelist;
// Mint Limitation Variables
uint256 public MAX_MINTVERSE_RANDOM_WORD;
uint256 public MAX_MINTVERSE_GIVEAWAY_WORD;
uint256 public MAX_MINTVERSE_DICTIONARY;
uint256 public DICT_ADDON_PRICE;
uint48 public WORD_EXPIRATION_TIME;
uint16 public HEAD_RANDOM_WORDID;
uint16 public TAIL_RANDOM_WORDID;
uint16 public SETTLE_HEAD_TOKENID;
uint16 public DESIGNATED_WORDID_OFFSET;
// Governance Variables
address public treasury;
string public baseTokenURI;
// Mapping Off-Chain Storage
string public legalDocumentURI;
string public systemMechanismDocumentURI;
string public animationCodeDocumentURI;
string public visualRebuildDocumentURI;
string public ERC721ATechinalDocumentURI;
string public wordIdMappingDocumnetURI;
string public partOfSpeechIdMappingDocumentURI;
string public categoryIdMappingDocumentURI;
string public metadataMappingDocumentURI;
}
contract MintverseWord is IMintverseWord, IMintverseWordStorage, Ownable, EIP712, ERC721A {
using SafeMath for uint16;
using SafeMath for uint48;
using SafeMath for uint256;
using Strings for uint256;
constructor()
EIP712("MintverseWord", "1.0.0")
ERC721A("MintverseWord", "MVW")
{
mintWhitelistEnable = true;
mintPublicEnable = true;
mintWhitelistTimestamp = 1651752000;
mintPublicTimestamp = 1652155200;
revealTimestamp = 1652068800;
MAX_MINTVERSE_RANDOM_WORD = 1900;
MAX_MINTVERSE_GIVEAWAY_WORD = 200;
MAX_MINTVERSE_DICTIONARY = 185;
DICT_ADDON_PRICE = 0.15 ether;
WORD_EXPIRATION_TIME = 42 hours;
TAIL_RANDOM_WORDID = 1900;
SETTLE_HEAD_TOKENID = TAIL_RANDOM_WORDID;
DESIGNATED_WORDID_OFFSET = uint16(TAIL_RANDOM_WORDID.mul(2));
treasury = 0xbA53C6831B496c8a40c02A3c2d1366DfC6503F4e;
baseTokenURI = "https://api.mintverse.world/word/metadata/";
legalDocumentURI = "";
systemMechanismDocumentURI = "";
animationCodeDocumentURI = "";
visualRebuildDocumentURI = "";
ERC721ATechinalDocumentURI = "";
wordIdMappingDocumnetURI = "";
partOfSpeechIdMappingDocumentURI = "";
categoryIdMappingDocumentURI = "";
metadataMappingDocumentURI = "";
}
/**
* Modifiers
*/
modifier onlyTokenOwner(uint256 tokenId) {
require(ownershipOf(tokenId).addr == msg.sender, "Can't define - Not the word owner");
_;
}
modifier mintWhitelistActive() {
require(mintWhitelistEnable == true, "Can't mint - WL mint phase hasn't enable");
require(block.timestamp >= mintWhitelistTimestamp, "Can't mint - WL mint phase hasn't started");
_;
}
modifier mintPublicActive() {
require(mintPublicEnable == true, "Can't mint - Public mint phase hasn't enable");
require(block.timestamp >= mintPublicTimestamp, "Can't mint - Public mint phase hasn't started");
_;
}
modifier callerIsUser() {
require(tx.origin == msg.sender, "Invalid caller - Caller is a Contract");
_;
}
modifier wordNotExpired(uint256 tokenId){
require((block.timestamp > tokenItem[tokenId].mintTime) || tokenItem[tokenId].defined, "Invalid Block Time - Mint time shouldn't be larger than current time");
require((block.timestamp <= (tokenItem[tokenId].mintTime + WORD_EXPIRATION_TIME)) || tokenItem[tokenId].defined, "Invalid Block Time - This token is expired");
_;
}
/**
* Verify Functions
*/
/** @dev Verify if a address is eligible to mint a specific amount
* @param SIGNATURE Signature used to verify the minter address and amount of claimable tokens
*/
function verify(
uint256 maxQuantity,
bytes calldata SIGNATURE
)
public
override
view
returns(bool)
{
address recoveredAddr = ECDSA.recover(_hashTypedDataV4(keccak256(abi.encode(keccak256("NFT(address addressForClaim,uint256 maxQuantity)"), _msgSender(), maxQuantity))), SIGNATURE);
return owner() == recoveredAddr;
}
/**
* Mint Functions
*/
/** @dev Record dictionary addon for a an address as owner
* @param to Address to record dictionary addon
* @param addon True if recording giveaway dictionary to the "to" address, otherwise false
*/
function mintGiveawayDictionary(
address to,
bool addon
)
external
override
onlyOwner
{
_mintGiveawayDictionary(to, addon);
}
/** @dev Mint word token to an address with specific amount of tokens as owner
* @param to Address to transfer the tokens
* @param wordId Designated wordId of the giveaway tokens
* @param mintTimestamp Timestamp to start the countdown for expiration
*/
function mintGiveawayWord(
address to,
uint16 wordId,
uint48 mintTimestamp
)
external
override
onlyOwner
{
require(totalWordGiveaway.add(1) <= MAX_MINTVERSE_GIVEAWAY_WORD, "Exceed maximum word amount");
totalWordGiveaway = uint16(totalWordGiveaway.add(1));
_mintDesignatedWord(to, wordId, mintTimestamp);
emit mintWordEvent(to, 1, totalSupply());
}
/** @dev Mint word token as Whitelisted Address
* @param quantity Amount of tokens the address wants to mint
* @param maxClaimNum Maximum amount of word tokens the address can mint
* @param addon True if recording giveaway dictionary to the "to" address, otherwise false
* @param SIGNATURE Signature used to verify the minter address and amount of claimable tokens
*/
function mintWhitelistWord(
uint256 quantity,
uint256 maxClaimNum,
bool addon,
bytes calldata SIGNATURE
)
external
payable
override
mintWhitelistActive
callerIsUser
{
require(verify(maxClaimNum, SIGNATURE), "Can't claim - Not eligible");
require(_getRandomWordMintCnt().add(quantity) <= MAX_MINTVERSE_RANDOM_WORD, "Exceed maximum word amount");
require(quantity > 0 && whitelistMintAmount[msg.sender].add(quantity) <= maxClaimNum, "Exceed maximum mintable whitelist amount");
mintedByAddress[msg.sender] = true;
whitelistMintAmount[msg.sender] = whitelistMintAmount[msg.sender].add(quantity);
totalWordWhitelist = uint16(totalWordWhitelist.add(quantity));
_mintPublicDictionary(msg.sender, addon);
for(uint16 index=0; index < quantity; index++) {
_mintRandomWord(msg.sender);
}
emit mintWordEvent(msg.sender, quantity, totalSupply());
}
/** @dev Mint word token as Public Address
* @param addon True if recording giveaway dictionary to the "to" address, otherwise false
*/
function mintPublicWord(
bool addon
)
external
payable
override
mintPublicActive
callerIsUser
{
require(mintedByAddress[msg.sender]==false, "Already minted you naughty, leave some word for others");
require(_getRandomWordMintCnt().add(1) <= MAX_MINTVERSE_RANDOM_WORD, "Exceed maximum word amount");
mintedByAddress[msg.sender] = true;
_mintPublicDictionary(msg.sender, addon);
_mintRandomWord(msg.sender);
emit mintWordEvent(msg.sender, 1, totalSupply());
}
/** @dev Calculate the token counts for random words, which is total supply substract the giveaway amount
*/
function _getRandomWordMintCnt()
private
view
returns(uint16 randomWordMintCnt)
{
return uint16(totalSupply().sub(totalWordGiveaway));
}
/** @dev Calculate the token timestamp for expiration calculation
* If the mint timestamp is before reveal, then set at reveal
* If the mint timestamp is after reveal, then set at mint current time
*/
function _getCurWordTimestamp()
private
view
returns(uint48 curWordTimestamp)
{
if(block.timestamp <= revealTimestamp) return revealTimestamp;
else return uint48(block.timestamp);
}
/** @dev Calculate the token's corresponding wordId
* If the random token count is smaller than the initial maximum random count, then circulate with the maximum random count - (0 - 1899)
* If the token is minted after some tokens are dead, then start from the end of the maximum random count - (1900 - 3799)
*/
function _getCurWordId()
private
view
returns(uint16 curWordId)
{
if(_getRandomWordMintCnt() < TAIL_RANDOM_WORDID) return HEAD_RANDOM_WORDID % TAIL_RANDOM_WORDID;
else return uint16(_getRandomWordMintCnt());
}
/** @dev Set the initial point of the random wordId mapping, using the 1st minter's address and the timestamp
*/
function _setHeadWordId()
private
{
HEAD_RANDOM_WORDID = uint16(uint256(keccak256(abi.encodePacked(block.timestamp, msg.sender)))) % TAIL_RANDOM_WORDID;
}
/** @dev Called by #mintWhitelistWord and #mintPublicWord to mint random words
* @param to Address to mint the tokens to
*/
function _mintRandomWord(address to)
private
{
if((totalSupply() - totalWordGiveaway) == 0) _setHeadWordId();
HEAD_RANDOM_WORDID = uint16(HEAD_RANDOM_WORDID.add(1));
_mintWord(to, _getCurWordId(), _getCurWordTimestamp());
}
/** @dev Called by #mintGiveawayWord to mint the designated words
* @param to Address to mint the tokens to
* @param designatedWordId Designated wordId of the giveaway tokens
* @param mintTimestamp Timestamp to start the countdown for expiration, since the receiver might not be able to start
*/
function _mintDesignatedWord(
address to,
uint16 designatedWordId,
uint48 mintTimestamp
)
private
{
require(designatedWordId >= DESIGNATED_WORDID_OFFSET, "Invalid wordId - This Id belongs to random Id");
_mintWord(to, designatedWordId, mintTimestamp);
}
/** @dev Called by #_mintDesignatedWord and #_mintRandomWord to mint tokens
* @param to Address to mint the tokens to
* @param wordId wordId of the tokens
* @param mintTimestamp Timestamp to start the countdown for expiration, since the receiver might not be able to start
*/
function _mintWord(
address to,
uint16 wordId,
uint48 mintTimestamp
)
private
{
string memory nullString;
_safeMint(to, 1);
tokenItem[totalSupply().sub(1)] = TokenInfo(nullString, nullString, nullString, wordId, 1, 1, 1, mintTimestamp, false);
}
/** @dev Called by #mintGiveawayWord to record dictionary addon of an address
* @param to Address to record dictionary addon
* @param addon True or False, of whether the address wants to purchase the addon
*/
function _mintPublicDictionary(
address to,
bool addon
)
private
{
_mintDictionary(to, addon, false);
}
/** @dev Called by #mintPublicWord and #mintWhitelistWord to record giveaway dictionary addon of an address
* @param to Address to record dictionary addon
* @param addon True or False, of whether the address wants to purchase the addon
*/
function _mintGiveawayDictionary(
address to,
bool addon
)
private
{
_mintDictionary(to, addon, true);
}
/** @dev Called by #_mintPublicDictionary and #_mintGiveawayDictionary to record dictionary addon of an address
* @param to Address to record dictionary addon
* @param addon True or False, whether the address wants to purchase the addon
* @param giveaway True or False, whether to check the msg.value
*
* A = Purchase addon dictionary
* B = Check addon status if caller address purchased already
* T_A, T_B => No need msg.value, No modification of addon status
* F_A, T_B => No need msg.value, No modification of addon status
* T_A, F_B => Need msg.value, Modification of addon status
* F_A, F_B => No need msg.value, No modification of addon status
*
*/
function _mintDictionary(
address to,
bool addon,
bool giveaway
)
private
{
require(totalDictionary.add(1) <= MAX_MINTVERSE_DICTIONARY, "Exceed maximum dictionary amount");
if((addon == true) && !(purchaseDictionaryCheckByAddress[to])) {
if(giveaway == false) require(msg.value == DICT_ADDON_PRICE, "Not the right amount of ether");
totalDictionary = uint16(totalDictionary.add(1));
purchaseDictionaryCheckByAddress[to] = addon;
}
}
/**
* Define Functions
*/
/** @dev Define word token as token owner wants
* @param tokenId TokenId that the token owner wants to define
* @param definer 鑄造者
* @param partOfSpeech1 詞性1
* @param partOfSpeech2 詞性2
* @param relatedWord 同義詞
* @param description 詮釋
*/
function defineWord(
uint256 tokenId,
string calldata definer,
uint8 partOfSpeech1,
uint8 partOfSpeech2,
string calldata relatedWord,
string calldata description
)
external
override
onlyTokenOwner(tokenId)
wordNotExpired(tokenId)
{
tokenItem[tokenId].definerPart = definer;
tokenItem[tokenId].relatedWordPart = relatedWord;
tokenItem[tokenId].descriptionPart = description;
tokenItem[tokenId].partOfSpeechPart1 = partOfSpeech1;
tokenItem[tokenId].partOfSpeechPart2 = partOfSpeech2;
tokenItem[tokenId].defined = true;
if (tokenItem[tokenId].categoryPart == 2) tokenItem[tokenId].categoryPart = 1;
emit wordDefinedEvent(tokenId);
}
/**
* Getter Functions
*/
/** @dev Retrieve word definition metadata by tokenId
* @param tokenId TokenId which caller wants to get its metadata
*/
function getTokenProperties(uint256 tokenId)
public
view
override
returns (
string memory definer,
uint256 wordId,
uint256 categoryId,
uint256 partOfSpeechId1,
uint256 partOfSpeechId2,
string memory relatedWord,
string memory description
)
{
return (
tokenItem[tokenId].definerPart,
tokenItem[tokenId].wordPart,
tokenItem[tokenId].categoryPart,
tokenItem[tokenId].partOfSpeechPart1,
tokenItem[tokenId].partOfSpeechPart2,
tokenItem[tokenId].relatedWordPart,
tokenItem[tokenId].descriptionPart
);
}
/** @dev Retrieve expiration timestamp of a token by tokenId
* @param tokenId TokenId which caller wants to get its expiration timestamp
*/
function getTokenExpirationTime(uint256 tokenId)
public
view
override
returns(uint256 expirationTime)
{
return tokenItem[tokenId].mintTime.add(WORD_EXPIRATION_TIME);
}
/** @dev Retrieve the status whether a token has been written by tokenId
* @param tokenId TokenId which caller wants to get its status of written or not
*/
function getTokenStatus(uint256 tokenId)
public
view
override
returns(bool writtenOrNot)
{
return tokenItem[tokenId].defined;
}
/** @dev Retrieve all word definition metadatas by owner address
* @param owner Address which caller wants to get all of its metadatas of tokens
*/
function getTokenPropertiesByOwner(address owner)
public
view
override
returns (TokenInfo[] memory tokenInfos)
{
uint256 tokenCount = balanceOf(owner);
if (tokenCount == 0) {
// Return an empty array
return new TokenInfo[](0);
} else {
TokenInfo[] memory result = new TokenInfo[](tokenCount);
for (uint256 index = 0; index < tokenCount; index++) {
uint256 tokenId = tokenOfOwnerByIndex(owner, index);
result[index] = tokenItem[tokenId];
}
return result;
}
}
/** @dev Retrieve all expiration timestamps by owner address
* @param owner Address which caller wants to get all of its expiration timestamps of tokens
*/
function getTokenExpirationTimeByOwner(address owner)
public
view
override
returns (uint256[] memory expirationTimes)
{
uint256 tokenCount = balanceOf(owner);
if (tokenCount == 0) {
// Return an empty array
return new uint256[](0);
} else {
uint256[] memory result = new uint256[](tokenCount);
for (uint256 index = 0; index < tokenCount; index++) {
uint256 tokenId = tokenOfOwnerByIndex(owner, index);
result[index] = tokenItem[tokenId].mintTime.add(WORD_EXPIRATION_TIME);
}
return result;
}
}
/** @dev Retrieve all defined status of the word tokens by owner address
* @param owner Address which caller wants to get all its word token defined statuses
*/
function getTokenStatusByOwner(address owner)
public
view
override
returns (bool[] memory writtenOrNot)
{
uint256 tokenCount = balanceOf(owner);
if (tokenCount == 0) {
// Return an empty array
return new bool[](0);
} else {
bool[] memory result = new bool[](tokenCount);
for (uint256 index = 0; index < tokenCount; index++) {
uint256 tokenId = tokenOfOwnerByIndex(owner, index);
result[index] = tokenItem[tokenId].defined;
}
return result;
}
}
/** @dev Retrieve if a address has purchased the dictionary
* @param owner Address which caller wants to get if it has purchased the dictionary
*/
function getAddonStatusByOwner(address owner)
public
view
override
returns (bool addon)
{
return purchaseDictionaryCheckByAddress[owner];
}
/**
* Token Functions
*/
/** @dev Retrieve token URI to get the metadata of a token
* @param tokenId TokenId which caller wants to get the metadata of
*/
function tokenURI(uint256 tokenId)
public
view
override
returns (string memory curTokenURI)
{
require(_exists(tokenId), "Token doesn't exist");
return string(abi.encodePacked(baseTokenURI, tokenId.toString()));
}
/** @dev Retrieve all tokenIds of a given address
* @param owner Address which caller wants to get all of its tokenIds
*/
function tokensOfOwner(address owner)
external
view
override
returns(uint256[] memory)
{
uint256 tokenCount = balanceOf(owner);
if (tokenCount == 0) {
// Return an empty array
return new uint256[](0);
} else {
uint256[] memory result = new uint256[](tokenCount);
for (uint256 index = 0; index < tokenCount; index++) {
result[index] = tokenOfOwnerByIndex(owner, index);
}
return result;
}
}
/** @dev Retrieve dictionary tokens supply amount
*/
function getTotalDictionary()
public
view
override
returns (uint256 amount)
{
return uint256(totalDictionary);
}
/** @dev Retrieve all tokenIds of a given address
* @param startTokenId Address which caller wants to get all of its tokenIds
* @param endTokenId test
* If the token is undefined & have passed 42 hours after mint time, then we settle the token
*/
function settleExpiredWord(
uint256 startTokenId,
uint256 endTokenId
)
override
external
onlyOwner
{
for(uint256 index = startTokenId; index <= endTokenId; index++) {
if(!(tokenItem[index].defined) && (block.timestamp > (tokenItem[index].mintTime + WORD_EXPIRATION_TIME))) {
emit moveWordToTheBack(SETTLE_HEAD_TOKENID, tokenItem[index].wordPart);
SETTLE_HEAD_TOKENID = uint16(SETTLE_HEAD_TOKENID.add(1));
MAX_MINTVERSE_RANDOM_WORD = MAX_MINTVERSE_RANDOM_WORD.add(1);
}
}
}
/** @dev Set the status of whitelist mint phase and its starting time
* @param _hasWLMintStarted True if the whitelist mint phase have started, otherwise false
* @param _wlMintTimestamp After this timestamp the whitelist mint phase will be enabled
*/
function setWLMintPhase(
bool _hasWLMintStarted,
uint256 _wlMintTimestamp
)
override
external
onlyOwner
{
mintWhitelistEnable = _hasWLMintStarted;
mintWhitelistTimestamp = _wlMintTimestamp;
}
/** @dev Set the status of public mint phase and its starting time
* @param _hasPublicMintStarted True if the public mint phase have started, otherwise false
* @param _publicMintTimestamp After this timestamp the public mint phase will be enabled
*/
function setPublicMintPhase(
bool _hasPublicMintStarted,
uint256 _publicMintTimestamp
)
override
external
onlyOwner
{
mintPublicEnable = _hasPublicMintStarted;
mintPublicTimestamp = _publicMintTimestamp;
}
/** @dev Set the price to purchase dictionary tokens.
* @param price New price that caller wants to set as the price of dictionary tokens
*/
function setDictPrice(uint256 price)
override
external
onlyOwner
{
DICT_ADDON_PRICE = price;
}
/** @dev Set the timestamp to start the expiration countdown
* @param newRevealTimestamp Timestamp to set as the new reveal timestamp
*/
function setRevealTimestamp(uint48 newRevealTimestamp)
override
external
onlyOwner
{
revealTimestamp = newRevealTimestamp;
}
/** @dev Set the timestamp period use to calculate if a token is expired
* @param newExpirationPeriod Timestamp to set as the new expiration period
*/
function setExpirationTime(uint48 newExpirationPeriod)
override
external
onlyOwner
{
WORD_EXPIRATION_TIME = newExpirationPeriod;
}
/** @dev Set the categoryId of a specific token
* @param tokenId TokenId that owner wants to set categoryId
* @param categoryId CategoryId that owner wants to set the token to
*/
function setCategoryByTokenId(
uint256 tokenId,
uint8 categoryId
)
override
external
onlyOwner
{
tokenItem[tokenId].categoryPart = categoryId;
}
/** @dev Set the maximum supply of random word tokens.
* @param amount Maximum amount of random word tokens
*/
function setMaxRandomWordTokenAmt(uint256 amount)
override
external
onlyOwner
{
MAX_MINTVERSE_RANDOM_WORD = amount;
}
/** @dev Set the maximum supply of giveaway word tokens.
* @param amount Maximum amount of giveaway word tokens
*/
function setMaxGiveawayWordTokenAmt(uint256 amount)
override
external
onlyOwner
{
MAX_MINTVERSE_GIVEAWAY_WORD = amount;
}
/** @dev Set the maximum supply of dictionary tokens.
* @param amount Maximum amount of dictionary tokens
*/
function setMaxDictAmt(uint256 amount)
override
external
onlyOwner
{
MAX_MINTVERSE_DICTIONARY = amount;
}
/** @dev Set the index of the head of random word token
* @param index New index to set as the head index
*/
function setHeadRandomWordId(uint16 index)
override
external
onlyOwner
{
HEAD_RANDOM_WORDID = index;
}
/** @dev Set the index of the tail of random word token
* @param index New index to set as the tail index
*/
function setTailRandomWordId(uint16 index)
override
external
onlyOwner
{
TAIL_RANDOM_WORDID = index;
}
/** @dev Set the index of the head of settle word token
* @param index New index to set as the settle head index
*/
function setSettleHeadRandomWordId(uint16 index)
override
external
onlyOwner
{
SETTLE_HEAD_TOKENID = index;
}
/** @dev Set the offset amount of the designated wordId
* @param offsetAmount Amount to set as the new offset amount
*/
function setWordIdOffset(uint16 offsetAmount)
override
external
onlyOwner
{
DESIGNATED_WORDID_OFFSET = offsetAmount;
}
/** @dev Set the wordId of a specific token
* @param tokenId TokenId that owner wants to set its wordId
* @param wordId WordId that owner wants to set its tokens to
*/
function setTokenWordIdByTokenId(
uint256 tokenId,
uint16 wordId
)
override
external
onlyOwner
{
tokenItem[tokenId].wordPart = wordId;
}
/** @dev Set the timestamp of a specific token
* @param tokenId TokenId that owner wants to set its mint timestamp
* @param mintTimestamp Mint timestamp that owner wants to set its tokens to
*/
function setTokenMintTimeByTokenId(
uint256 tokenId,
uint48 mintTimestamp
)
override
external
onlyOwner
{
tokenItem[tokenId].mintTime = mintTimestamp;
}
/** @dev Set the defined status of a specific token
* @param tokenId TokenId that owner wants to set its defined status
* @param definedOrNot Defined status that owner wants to set its tokens to
*/
function setTokenDefineStatusByTokenId(
uint256 tokenId,
bool definedOrNot
)
override
external
onlyOwner
{
tokenItem[tokenId].defined = definedOrNot;
}
/** @dev Set the URI for tokenURI, which returns the metadata of token.
* @param newBaseTokenURI New URI that caller wants to set as tokenURI
*/
function setBaseTokenURI(string calldata newBaseTokenURI)
override
external
onlyOwner
{
baseTokenURI = newBaseTokenURI;
}
/** @dev Set the URI for legalDocumentURI, which returns the URI of legal document.
* @param newLegalDocumentURI New URI that caller wants to set as legalDocumentURI
*/
function setLegalDocumentURI(string calldata newLegalDocumentURI)
override
external
onlyOwner
{
legalDocumentURI = newLegalDocumentURI;
}
/** @dev Set the URI for systemMechanismDocumentURI, which returns the URI of system mechanicsm document.
* @param newSystemMechanismDocumentURI New URI that caller wants to set as systemMechanismDocumentURI
*/
function setSystemMechanismDocumentURI(string calldata newSystemMechanismDocumentURI)
override
external
onlyOwner
{
systemMechanismDocumentURI = newSystemMechanismDocumentURI;
}
/** @dev Set the URI for animationCodeDocumentURI, which returns the URI of animation code.
* @param newAnimationCodeDocumentURI New URI that caller wants to set as animationCodeDocumentURI
*/
function setAnimationCodeDocumentURI(string calldata newAnimationCodeDocumentURI)
override
external
onlyOwner
{
animationCodeDocumentURI = newAnimationCodeDocumentURI;
}
/** @dev Set the URI for visualRebuildDocumentURI, which returns the URI of visual rebuild document.
* @param newVisualRebuildDocumentURI New URI that caller wants to set as visualRebuildDocumentURI
*/
function setVisualRebuildDocumentURI(string calldata newVisualRebuildDocumentURI)
override
external
onlyOwner
{
visualRebuildDocumentURI = newVisualRebuildDocumentURI;
}
/** @dev Set the URI for ERC721ATechinalDocumentURI, which returns the URI of ERC721A technical document.
* @param newERC721ATechinalDocumentURI New URI that caller wants to set as ERC721ATechinalDocumentURI
*/
function setERC721ATechinalDocumentURI(string calldata newERC721ATechinalDocumentURI)
override
external
onlyOwner
{
ERC721ATechinalDocumentURI = newERC721ATechinalDocumentURI;
}
/** @dev Set the URI for wordIdMappingDocumnetURI, which returns the URI of wordId mapping document.
* @param newWordIdMappingDocumnetURI New URI that caller wants to set as wordIdMappingDocumnetURI
*/
function setWordIdMappingDocumnetURI(string calldata newWordIdMappingDocumnetURI)
override
external
onlyOwner
{
wordIdMappingDocumnetURI = newWordIdMappingDocumnetURI;
}
/** @dev Set the URI for partOfSpeechIdMappingDocumentURI, which returns the URI of partOfSpeechId mapping document.
* @param newPartOfSpeechIdMappingDocumentURI New URI that caller wants to set as partOfSpeechIdMappingDocumentURI
*/
function setPartOfSpeechIdMappingDocumentURI(string calldata newPartOfSpeechIdMappingDocumentURI)
override
external
onlyOwner
{
partOfSpeechIdMappingDocumentURI = newPartOfSpeechIdMappingDocumentURI;
}
/** @dev Set the URI for categoryIdMappingDocumentURI, which returns the URI of categoryId mapping document.
* @param newCategoryIdMappingDocumentURI New URI that caller wants to set as categoryIdMappingDocumentURI
*/
function setCategoryIdMappingDocumentURI(string calldata newCategoryIdMappingDocumentURI)
override
external
onlyOwner
{
categoryIdMappingDocumentURI = newCategoryIdMappingDocumentURI;
}
/** @dev Set the URI for metadataMappingDocumentURI, which returns the URI of metadata mapping document.
* @param newMetadataMappingDocumentURI New URI that caller wants to set as metadataMappingDocumentURI
*/
function setMetadataMappingDocumentURI(string calldata newMetadataMappingDocumentURI)
override
external
onlyOwner
{
metadataMappingDocumentURI = newMetadataMappingDocumentURI;
}
/** @dev Set the address that act as treasury and recieve all the fund from token contract.
* @param _treasury New address that caller wants to set as the treasury address
*/
function setTreasury(address _treasury)
override
external
onlyOwner
{
require(_treasury != address(0), "Invalid address - Zero address");
treasury = _treasury;
}
/**
* Withdrawal Functions
*/
/** @dev Set the maximum supply of dictionary tokens.
*/
function withdrawAll()
override
external
payable
onlyOwner
{
payable(treasury).transfer(address(this).balance);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.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 Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_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 {
_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);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol)
pragma solidity ^0.8.0;
// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.
/**
* @dev Wrappers over Solidity's arithmetic operations.
*
* NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
* now has built in overflow checking.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/cryptography/draft-EIP712.sol)
pragma solidity ^0.8.0;
import "./ECDSA.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 EIP712 {
/* solhint-disable var-name-mixedcase */
// Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to
// invalidate the cached domain separator if the chain id changes.
bytes32 private immutable _CACHED_DOMAIN_SEPARATOR;
uint256 private immutable _CACHED_CHAIN_ID;
address private immutable _CACHED_THIS;
bytes32 private immutable _HASHED_NAME;
bytes32 private immutable _HASHED_VERSION;
bytes32 private immutable _TYPE_HASH;
/* 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].
*/
constructor(string memory name, string memory version) {
bytes32 hashedName = keccak256(bytes(name));
bytes32 hashedVersion = keccak256(bytes(version));
bytes32 typeHash = keccak256(
"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
);
_HASHED_NAME = hashedName;
_HASHED_VERSION = hashedVersion;
_CACHED_CHAIN_ID = block.chainid;
_CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(typeHash, hashedName, hashedVersion);
_CACHED_THIS = address(this);
_TYPE_HASH = typeHash;
}
/**
* @dev Returns the domain separator for the current chain.
*/
function _domainSeparatorV4() internal view returns (bytes32) {
if (address(this) == _CACHED_THIS && block.chainid == _CACHED_CHAIN_ID) {
return _CACHED_DOMAIN_SEPARATOR;
} else {
return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION);
}
}
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 ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash);
}
}
{
"compilationTarget": {
"contracts/MintverseWord.sol": "MintverseWord"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 100
},
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