0xF7...57C0
Baby Shark: Collection No. 1
BSN1
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合同元数据
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0.8.19+commit.7dd6d404
语言
Solidity
// File: VaultCoreInterface.sol
pragma solidity 0.8.9;
abstract contract VaultCoreInterface {
function getVersion() public pure virtual returns (uint);
function typeOfContract() public pure virtual returns (bytes32);
function approveToken(
uint256 _tokenId,
address _tokenContractAddress) external virtual;
}
// File: RoyaltyRegistryInterface.sol
pragma solidity 0.8.9;
/**
* Interface to the RoyaltyRegistry responsible for looking payout addresses
*/
abstract contract RoyaltyRegistryInterface {
function getAddress(address custodial) external view virtual returns (address);
function getMediaCustomPercentage(uint256 mediaId, address tokenAddress) external view virtual returns(uint16);
function getExternalTokenPercentage(uint256 tokenId, address tokenAddress) external view virtual returns(uint16, uint16);
function typeOfContract() virtual public pure returns (string calldata);
function VERSION() virtual public pure returns (uint8);
}
// File: ApprovedCreatorRegistryInterface.sol
pragma solidity 0.8.9;
/**
* Interface to the digital media store external contract that is
* responsible for storing the common digital media and collection data.
* This allows for new token contracts to be deployed and continue to reference
* the digital media and collection data.
*/
abstract contract ApprovedCreatorRegistryInterface {
function getVersion() virtual public pure returns (uint);
function typeOfContract() virtual public pure returns (string calldata);
function isOperatorApprovedForCustodialAccount(
address _operator,
address _custodialAddress) virtual public view returns (bool);
}
// File: utils/Collaborator.sol
pragma solidity 0.8.9;
library Collaborator {
bytes32 public constant TYPE_HASH = keccak256("Share(address account,uint48 value,uint48 royalty)");
struct Share {
address payable account;
uint48 value;
uint48 royalty;
}
function hash(Share memory part) internal pure returns (bytes32) {
return keccak256(abi.encode(TYPE_HASH, part.account, part.value, part.royalty));
}
}
// File: @openzeppelin/contracts/utils/Strings.sol
// OpenZeppelin Contracts v4.4.0 (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);
}
}
// File: @openzeppelin/contracts/utils/cryptography/ECDSA.sol
// OpenZeppelin Contracts v4.4.0 (utils/cryptography/ECDSA.sol)
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 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;
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 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));
}
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.0 (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;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @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);
}
}
// File: OBOControl.sol
pragma solidity 0.8.9;
contract OBOControl is Ownable {
address public oboAdmin;
uint256 constant public newAddressWaitPeriod = 1 days;
bool public canAddOBOImmediately = true;
// List of approved on behalf of users.
mapping (address => uint256) public approvedOBOs;
event NewOBOAddressEvent(
address OBOAddress,
bool action);
event NewOBOAdminAddressEvent(
address oboAdminAddress);
modifier onlyOBOAdmin() {
require(owner() == _msgSender() || oboAdmin == _msgSender(), "not oboAdmin");
_;
}
function setOBOAdmin(address _oboAdmin) external onlyOwner {
oboAdmin = _oboAdmin;
emit NewOBOAdminAddressEvent(_oboAdmin);
}
/**
* Add a new approvedOBO address. The address can be used after wait period.
*/
function addApprovedOBO(address _oboAddress) external onlyOBOAdmin {
require(_oboAddress != address(0), "cant set to 0x");
require(approvedOBOs[_oboAddress] == 0, "already added");
approvedOBOs[_oboAddress] = block.timestamp;
emit NewOBOAddressEvent(_oboAddress, true);
}
/**
* Removes an approvedOBO immediately.
*/
function removeApprovedOBO(address _oboAddress) external onlyOBOAdmin {
delete approvedOBOs[_oboAddress];
emit NewOBOAddressEvent(_oboAddress, false);
}
/*
* Add OBOAddress for immediate use. This is an internal only Fn that is called
* only when the contract is deployed.
*/
function addApprovedOBOImmediately(address _oboAddress) internal onlyOwner {
require(_oboAddress != address(0), "addr(0)");
// set the date to one in past so that address is active immediately.
approvedOBOs[_oboAddress] = block.timestamp - newAddressWaitPeriod - 1;
emit NewOBOAddressEvent(_oboAddress, true);
}
function addApprovedOBOAfterDeploy(address _oboAddress) external onlyOBOAdmin {
require(canAddOBOImmediately == true, "disabled");
addApprovedOBOImmediately(_oboAddress);
}
function blockImmediateOBO() external onlyOBOAdmin {
canAddOBOImmediately = false;
}
/*
* Helper function to verify is a given address is a valid approvedOBO address.
*/
function isValidApprovedOBO(address _oboAddress) public view returns (bool) {
uint256 createdAt = approvedOBOs[_oboAddress];
if (createdAt == 0) {
return false;
}
return block.timestamp - createdAt > newAddressWaitPeriod;
}
/**
* @dev Modifier to make the obo calls only callable by approved addressess
*/
modifier isApprovedOBO() {
require(isValidApprovedOBO(msg.sender), "unauthorized OBO user");
_;
}
}
// File: @openzeppelin/contracts/security/Pausable.sol
// OpenZeppelin Contracts v4.4.0 (security/Pausable.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which allows children to implement an emergency stop
* mechanism that can be triggered by an authorized account.
*
* This module is used through inheritance. It will make available the
* modifiers `whenNotPaused` and `whenPaused`, which can be applied to
* the functions of your contract. Note that they will not be pausable by
* simply including this module, only once the modifiers are put in place.
*/
abstract contract Pausable is Context {
/**
* @dev Emitted when the pause is triggered by `account`.
*/
event Paused(address account);
/**
* @dev Emitted when the pause is lifted by `account`.
*/
event Unpaused(address account);
bool private _paused;
/**
* @dev Initializes the contract in unpaused state.
*/
constructor() {
_paused = false;
}
/**
* @dev Returns true if the contract is paused, and false otherwise.
*/
function paused() public view virtual returns (bool) {
return _paused;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*
* Requirements:
*
* - The contract must not be paused.
*/
modifier whenNotPaused() {
require(!paused(), "Pausable: paused");
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*
* Requirements:
*
* - The contract must be paused.
*/
modifier whenPaused() {
require(paused(), "Pausable: not paused");
_;
}
/**
* @dev Triggers stopped state.
*
* Requirements:
*
* - The contract must not be paused.
*/
function _pause() internal virtual whenNotPaused {
_paused = true;
emit Paused(_msgSender());
}
/**
* @dev Returns to normal state.
*
* Requirements:
*
* - The contract must be paused.
*/
function _unpause() internal virtual whenPaused {
_paused = false;
emit Unpaused(_msgSender());
}
}
// File: @openzeppelin/contracts/utils/Address.sol
// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
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 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);
}
}
}
}
// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol
// OpenZeppelin Contracts v4.4.0 (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);
}
// File: @openzeppelin/contracts/utils/introspection/IERC165.sol
// OpenZeppelin Contracts v4.4.0 (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);
}
// File: @openzeppelin/contracts/utils/introspection/ERC165.sol
// OpenZeppelin Contracts v4.4.0 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
/**
* @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;
}
}
// File: @openzeppelin/contracts/token/ERC721/IERC721.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
/**
* @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;
}
// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Metadata.sol)
pragma solidity ^0.8.0;
/**
* @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);
}
// File: @openzeppelin/contracts/token/ERC721/ERC721.sol
// OpenZeppelin Contracts v4.4.0 (token/ERC721/ERC721.sol)
pragma solidity ^0.8.0;
/**
* @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 ERC721 is Context, ERC165, IERC721, IERC721Metadata {
using Address for address;
using Strings 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.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @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 ||
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 = ERC721.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 {
_setApprovalForAll(_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 = ERC721.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 = ERC721.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(ERC721.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(ERC721.ownerOf(tokenId), to, tokenId);
}
/**
* @dev Approve `operator` to operate on all of `owner` tokens
*
* Emits a {ApprovalForAll} event.
*/
function _setApprovalForAll(
address owner,
address operator,
bool approved
) internal virtual {
require(owner != operator, "ERC721: approve to caller");
_operatorApprovals[owner][operator] = approved;
emit ApprovalForAll(owner, operator, approved);
}
/**
* @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.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 {}
}
// File: DigitalMediaToken.sol
pragma solidity 0.8.9;
contract DigitalMediaToken is ERC721, OBOControl, Pausable {
// creator address has to be set during deploy via constructor only.
address public singleCreatorAddress;
address public signerAddress;
bool public enableExternalMinting;
bool public canRoyaltyRegistryChange = true;
struct DigitalMedia {
uint32 totalSupply; // The total supply of collectibles available
uint32 printIndex; // The current print index
address creator; // The creator of the collectible
uint16 royalty;
bool immutableMedia;
Collaborator.Share[] collaborators;
string metadataPath; // Hash of the media content, with the actual data stored on a secondary
// data store (ideally decentralized)
}
struct DigitalMediaRelease {
uint32 printEdition; // The unique edition number of this digital media release
uint256 digitalMediaId; // Reference ID to the digital media metadata
}
ApprovedCreatorRegistryInterface public creatorRegistryStore;
RoyaltyRegistryInterface public royaltyStore;
VaultCoreInterface public vaultStore;
// Event fired when a new digital media is created. No point in returning printIndex
// since its always zero when created.
event DigitalMediaCreateEvent(
uint256 id,
address creator,
uint32 totalSupply,
uint32 royalty,
bool immutableMedia,
string metadataPath);
event DigitalMediaReleaseCreateEvent(
uint256 id,
address owner,
uint32 printEdition,
string tokenURI,
uint256 digitalMediaId);
// Event fired when a creator assigns a new creator address.
event ChangedCreator(
address creator,
address newCreator);
// Event fired when a digital media is burned
event DigitalMediaBurnEvent(
uint256 id,
address caller);
// Event fired when burning a token
event DigitalMediaReleaseBurnEvent(
uint256 tokenId,
address owner);
event NewSignerEvent(
address signer);
event NewRoyaltyEvent(
uint16 value);
// ID to Digital Media object
mapping (uint256 => DigitalMedia) public idToDigitalMedia;
// Maps internal ERC721 token ID to digital media release object.
mapping (uint256 => DigitalMediaRelease) public tokenIdToDigitalMediaRelease;
// Maps a creator address to a new creator address. Useful if a creator
// changes their address or the previous address gets compromised.
mapping (address => address) public changedCreators;
constructor(string memory _tokenName, string memory _tokenSymbol) ERC721(_tokenName, _tokenSymbol) {}
// Set the creator registry address upon construction. Immutable.
function setCreatorRegistryStore(address _crsAddress) internal {
ApprovedCreatorRegistryInterface candidateCreatorRegistryStore = ApprovedCreatorRegistryInterface(_crsAddress);
// require(candidateCreatorRegistryStore.getVersion() == 1, "registry store is not version 1");
// Simple check to make sure we are adding the registry contract indeed
// https://fravoll.github.io/solidity-patterns/string_equality_comparison.html
bytes32 contractType = keccak256(abi.encodePacked(candidateCreatorRegistryStore.typeOfContract()));
// keccak256(abi.encodePacked("approvedCreatorRegistry")) = 0x74cb6de1099c3d993f336da7af5394f68038a23980424e1ae5723d4110522be4
// keccak256(abi.encodePacked("approvedCreatorRegistryReadOnly")) = 0x9732b26dfb8751e6f1f71e8f21b28a237cfe383953dce7db3dfa1777abdb2791
require(
contractType == 0x74cb6de1099c3d993f336da7af5394f68038a23980424e1ae5723d4110522be4
|| contractType == 0x9732b26dfb8751e6f1f71e8f21b28a237cfe383953dce7db3dfa1777abdb2791,
"not crtrRegistry");
creatorRegistryStore = candidateCreatorRegistryStore;
}
function setRoyaltyRegistryStore(address _royaltyStore) external whenNotPaused onlyOBOAdmin {
require(canRoyaltyRegistryChange == true, "no");
RoyaltyRegistryInterface candidateRoyaltyStore = RoyaltyRegistryInterface(_royaltyStore);
require(candidateRoyaltyStore.VERSION() == 1, "roylty v!= 1");
bytes32 contractType = keccak256(abi.encodePacked(candidateRoyaltyStore.typeOfContract()));
// keccak256(abi.encodePacked("royaltyRegistry")) = 0xb590ff355bf2d720a7e957392d3b76fd1adda1832940640bf5d5a7c387fed323
require(contractType == 0xb590ff355bf2d720a7e957392d3b76fd1adda1832940640bf5d5a7c387fed323,
"not royalty");
royaltyStore = candidateRoyaltyStore;
}
function setRoyaltyRegistryForever() external whenNotPaused onlyOwner {
canRoyaltyRegistryChange = false;
}
function setVaultStore(address _vaultStore) external whenNotPaused onlyOwner {
VaultCoreInterface candidateVaultStore = VaultCoreInterface(_vaultStore);
bytes32 contractType = candidateVaultStore.typeOfContract();
require(contractType == 0x6d707661756c7400000000000000000000000000000000000000000000000000, "invalid mpvault");
vaultStore = candidateVaultStore;
}
/*
* Set signer address on the token contract. Setting signer means we are opening
* the token contract for external accounts to create tokens. Call this to change
* the signer immediately.
*/
function setSignerAddress(address _signerAddress, bool _enableExternalMinting) external whenNotPaused
isApprovedOBO {
require(_signerAddress != address(0), "cant be zero");
signerAddress = _signerAddress;
enableExternalMinting = _enableExternalMinting;
emit NewSignerEvent(signerAddress);
}
/**
* Validates that the Registered store is initialized.
*/
modifier registryInitialized() {
require(address(creatorRegistryStore) != address(0), "registry = 0x0");
_;
}
/**
* Validates that the Vault store is initialized.
*/
modifier vaultInitialized() {
require(address(vaultStore) != address(0), "vault = 0x0");
_;
}
function _setCollaboratorsOnDigitalMedia(DigitalMedia storage _digitalMedia,
Collaborator.Share[] memory _collaborators) internal {
uint total = 0;
uint totalRoyalty = 0;
for (uint i = 0; i < _collaborators.length; i++) {
require(_collaborators[i].account != address(0x0) ||
_collaborators[i].account != _digitalMedia.creator, "collab 0x0/creator");
require(_collaborators[i].value != 0 || _collaborators[i].royalty != 0,
"share/royalty = 0");
_digitalMedia.collaborators.push(_collaborators[i]);
total = total + _collaborators[i].value;
totalRoyalty = totalRoyalty + _collaborators[i].royalty;
}
require(total <= 10000, "total <=10000");
require(totalRoyalty <= 10000, "totalRoyalty <=10000");
}
/**
* Creates a new digital media object.
* @param _creator address the creator of this digital media
* @param _totalSupply uint32 the total supply a creation could have
* @param _metadataPath string the path to the ipfs metadata
* @return uint the new digital media id
*/
function _createDigitalMedia(
address _creator, uint256 _onchainId, uint32 _totalSupply,
string memory _metadataPath, Collaborator.Share[] memory _collaborators,
uint16 _royalty, bool _immutableMedia)
internal returns (uint) {
// If this is a single creator contract make sure _owner matches single creator
if (singleCreatorAddress != address(0)) {
require(singleCreatorAddress == _creator, "Creator must match single creator address");
}
// Verify this media does not exist already
DigitalMedia storage _digitalMedia = idToDigitalMedia[_onchainId];
require(_digitalMedia.creator == address(0), "media already exists");
// TODO: Dannie check this require throughly.
require((_totalSupply > 0) && address(_creator) != address(0) && _royalty <= 10000, "invalid params");
_digitalMedia.printIndex = 0;
_digitalMedia.totalSupply = _totalSupply;
_digitalMedia.creator = _creator;
_digitalMedia.metadataPath = _metadataPath;
_digitalMedia.immutableMedia = _immutableMedia;
_digitalMedia.royalty = _royalty;
_setCollaboratorsOnDigitalMedia(_digitalMedia, _collaborators);
emit DigitalMediaCreateEvent(
_onchainId, _creator, _totalSupply,
_royalty, _immutableMedia, _metadataPath);
return _onchainId;
}
/**
* Creates _count number of new digital media releases (i.e a token).
* Bumps up the print index by _count.
* @param _owner address the owner of the digital media object
* @param _digitalMediaId uint256 the digital media id
*/
function _createDigitalMediaReleases(
address _owner, uint256 _digitalMediaId, uint256[] memory _releaseIds)
internal {
require(_releaseIds.length > 0 && _releaseIds.length < 10000, "0 < count <= 10000");
DigitalMedia storage _digitalMedia = idToDigitalMedia[_digitalMediaId];
require(_digitalMedia.creator != address(0), "media does not exist");
uint32 currentPrintIndex = _digitalMedia.printIndex;
require(_checkApprovedCreator(_digitalMedia.creator, _owner), "Creator not approved");
require(_releaseIds.length + currentPrintIndex <= _digitalMedia.totalSupply, "Total supply exceeded.");
for (uint32 i=0; i < _releaseIds.length; i++) {
uint256 newDigitalMediaReleaseId = _releaseIds[i];
DigitalMediaRelease storage release = tokenIdToDigitalMediaRelease[newDigitalMediaReleaseId];
require(release.printEdition == 0, "tokenId already used");
uint32 newPrintEdition = currentPrintIndex + 1 + i;
release.printEdition = newPrintEdition;
release.digitalMediaId = _digitalMediaId;
emit DigitalMediaReleaseCreateEvent(
newDigitalMediaReleaseId,
_owner,
newPrintEdition,
_digitalMedia.metadataPath,
_digitalMediaId
);
// This will assign ownership and also emit the Transfer event as per ERC721
_mint(_owner, newDigitalMediaReleaseId);
}
_digitalMedia.printIndex = _digitalMedia.printIndex + uint32(_releaseIds.length);
}
/**
* Checks that a given caller is an approved creator and is allowed to mint or burn
* tokens. If the creator was changed it will check against the updated creator.
* @param _caller the calling address
* @return bool allowed or not
*/
function _checkApprovedCreator(address _creator, address _caller)
internal
view
returns (bool) {
address approvedCreator = changedCreators[_creator];
if (approvedCreator != address(0)) {
return approvedCreator == _caller;
} else {
return _creator == _caller;
}
}
/**
* Burns a token for a given tokenId and caller.
* @param _tokenId the id of the token to burn.
* @param _caller the address of the caller.
*/
function _burnToken(uint256 _tokenId, address _caller) internal {
address owner = ownerOf(_tokenId);
require(_isApprovedOrOwner(_caller, _tokenId), "ERC721: burn caller is not owner nor approved");
_burn(_tokenId);
// Dont delete the tokenIdToDMR as we dont want to reissue another release
// with the same id. Leaving the data will prevent reissuing.
// delete tokenIdToDigitalMediaRelease[_tokenId];
emit DigitalMediaReleaseBurnEvent(_tokenId, owner);
}
/**
* Burns a digital media. Once this function succeeds, this digital media
* will no longer be able to mint any more tokens. Existing tokens need to be
* burned individually though.
* @param _digitalMediaId the id of the digital media to burn
* @param _caller the address of the caller.
*/
function _burnDigitalMedia(uint256 _digitalMediaId, address _caller) internal {
DigitalMedia storage _digitalMedia = idToDigitalMedia[_digitalMediaId];
require(_digitalMedia.creator != address(0), "media does not exist");
require(_checkApprovedCreator(_digitalMedia.creator, _caller) ||
isApprovedForAll(_digitalMedia.creator, _caller),
"Failed digital media burn. Caller not approved.");
_digitalMedia.printIndex = _digitalMedia.totalSupply;
emit DigitalMediaBurnEvent(_digitalMediaId, _caller);
}
/**
* @dev Returns an URI for a given token ID
* @dev Throws if the token ID does not exist. May return an empty string.
* @param _tokenId uint256 ID of the token to query
*/
function tokenURI(uint256 _tokenId) public view override returns (string memory) {
require(_exists(_tokenId));
DigitalMediaRelease storage digitalMediaRelease = tokenIdToDigitalMediaRelease[_tokenId];
uint256 _digitalMediaId = digitalMediaRelease.digitalMediaId;
DigitalMedia storage _digitalMedia = idToDigitalMedia[_digitalMediaId];
string memory prefix = "ipfs://";
return string(abi.encodePacked(prefix, string(_digitalMedia.metadataPath)));
}
/*
* Look up a royalty payout address if royaltyStore is set otherwise we returns
* the same argument.
*/
function _getRoyaltyAddress(address custodial) internal view returns(address) {
return address(royaltyStore) == address(0) ? custodial : royaltyStore.getAddress(custodial);
}
}
// File: DigitalMediaCore.sol
pragma solidity 0.8.9;
contract DigitalMediaCore is DigitalMediaToken {
using ECDSA for bytes32;
uint8 constant public VERSION = 3;
struct DigitalMediaCreateRequest {
uint256 onchainId; // onchain id for this media
uint32 totalSupply; // The total supply of collectibles available
address creator; // The creator of the collectible
uint16 royalty;
bool immutableMedia;
Collaborator.Share[] collaborators;
string metadataPath; // Hash of the media content
uint256[] releaseIds; // number of releases to mint
}
struct DigitalMediaUpdateRequest {
uint256 onchainId; // onchain id for this media
uint256 metadataId;
uint32 totalSupply; // The total supply of collectibles available
address creator; // The creator of the collectible
uint16 royalty;
Collaborator.Share[] collaborators;
string metadataPath; // Hash of the media content
}
struct DigitalMediaReleaseCreateRequest {
uint256 digitalMediaId;
uint256[] releaseIds; // number of releases to mint
address owner;
}
struct TokenDestinationRequest {
uint256 tokenId;
address destinationAddress;
}
struct ChainSignatureRequest {
uint256 onchainId;
address owner;
}
struct PayoutInfo {
address user;
uint256 amount;
}
event DigitalMediaUpdateEvent(
uint256 id,
uint32 totalSupply,
uint16 royalty,
string metadataPath,
uint256 metadataId);
event MediasImmutableEvent(
uint256[] mediaIds);
event MediaImmutableEvent(
uint256 mediaId);
constructor(string memory _tokenName, string memory _tokenSymbol,
address _crsAddress) DigitalMediaToken(_tokenName, _tokenSymbol) {
setCreatorRegistryStore(_crsAddress);
}
/**
* Retrieves a Digital Media object.
*/
function getDigitalMedia(uint256 _id)
external
view
returns (DigitalMedia memory) {
DigitalMedia memory _digitalMedia = idToDigitalMedia[_id];
require(_digitalMedia.creator != address(0), "DigitalMedia not found.");
return _digitalMedia;
}
/**
* Ok I am not proud of this function but sale conract needs to getDigitalMedia
* while I tried to write a interface file DigitalMediaBurnInterfaceV3.sol I could
* not include the DigitalMedia struct in that abstract contract. So I am writing
* another endpoint to return just the bare minimum data required for the sale contract.
*/
function getDigitalMediaForSale(uint256 _id) external view returns(
address, bool, uint16) {
DigitalMedia storage _digitalMedia = idToDigitalMedia[_id];
require(_digitalMedia.creator != address(0), "DigitalMedia not found.");
return (_digitalMedia.creator, _digitalMedia.collaborators.length > 0,
_digitalMedia.royalty);
}
/**
* Retrieves a Digital Media Release (i.e a token)
*/
function getDigitalMediaRelease(uint256 _id)
external
view
returns (DigitalMediaRelease memory) {
require(_exists(_id), "release does not exist");
DigitalMediaRelease storage digitalMediaRelease = tokenIdToDigitalMediaRelease[_id];
return digitalMediaRelease;
}
/**
* Creates a new digital media object and mints it's first digital media release token.
* The onchainid and creator has to be signed by signerAddress in order to create.
* No creations of any kind are allowed when the contract is paused.
*/
function createDigitalMediaAndReleases(
DigitalMediaCreateRequest memory request,
bytes calldata signature)
external
whenNotPaused {
require(request.creator == msg.sender, "msgSender != creator");
ChainSignatureRequest memory signatureRequest = ChainSignatureRequest(request.onchainId, request.creator);
_verifyReleaseRequestSignature(signatureRequest, signature);
uint256 digitalMediaId = _createDigitalMedia(msg.sender, request.onchainId, request.totalSupply,
request.metadataPath, request.collaborators, request.royalty, request.immutableMedia);
_createDigitalMediaReleases(msg.sender, digitalMediaId, request.releaseIds);
}
/**
* Creates a new digital media release (token) for a given digital media id.
* This request needs to be signed by the authorized signerAccount to prevent
* from user stealing media & release ids on chain and frontrunning.
* No creations of any kind are allowed when the contract is paused.
*/
function createDigitalMediaReleases(
DigitalMediaReleaseCreateRequest memory request)
external
whenNotPaused {
// require(request.owner == msg.sender, "owner != msg.sender");
require(signerAddress != address(0), "signer not set");
_createDigitalMediaReleases(msg.sender, request.digitalMediaId, request.releaseIds);
}
/**
* Creates a new digital media object and mints it's digital media release tokens.
* Called on behalf of the _owner. Pass count to mint `n` number of tokens.
*
* Only approved creators are allowed to create Obo.
*
* No creations of any kind are allowed when the contract is paused.
*/
function oboCreateDigitalMediaAndReleases(
DigitalMediaCreateRequest memory request)
external
whenNotPaused
isApprovedOBO {
uint256 digitalMediaId = _createDigitalMedia(request.creator, request.onchainId, request.totalSupply, request.metadataPath,
request.collaborators, request.royalty, request.immutableMedia);
_createDigitalMediaReleases(request.creator, digitalMediaId, request.releaseIds);
}
/**
* Create many digital medias in one call.
*/
function oboCreateManyDigitalMedias(
DigitalMediaCreateRequest[] memory requests) external whenNotPaused isApprovedOBO {
for (uint32 i=0; i < requests.length; i++) {
DigitalMediaCreateRequest memory request = requests[i];
_createDigitalMedia(request.creator, request.onchainId, request.totalSupply,
request.metadataPath, request.collaborators, request.royalty, request.immutableMedia);
}
}
/**
* Creates multiple digital media releases (tokens) for a given digital media id.
* Called on behalf of the _owner.
*
* Only approved creators are allowed to create Obo.
*
* No creations of any kind are allowed when the contract is paused.
*/
function oboCreateDigitalMediaReleases(
DigitalMediaReleaseCreateRequest memory request)
external
whenNotPaused
isApprovedOBO {
_createDigitalMediaReleases(request.owner, request.digitalMediaId, request.releaseIds);
}
/*
* Create multiple digital medias and associated releases (tokens). Called on behalf
* of the _owner. Each media should mint atleast 1 token.
* No creations of any kind are allowed when the contract is paused.
*/
function oboCreateManyDigitalMediasAndReleases(
DigitalMediaCreateRequest[] memory requests) external whenNotPaused isApprovedOBO {
for (uint32 i=0; i < requests.length; i++) {
DigitalMediaCreateRequest memory request = requests[i];
uint256 digitalMediaId = _createDigitalMedia(request.creator, request.onchainId, request.totalSupply,
request.metadataPath, request.collaborators, request.royalty, request.immutableMedia);
_createDigitalMediaReleases(request.creator, digitalMediaId, request.releaseIds);
}
}
/*
* Create multiple releases (tokens) associated with existing medias. Called on behalf
* of the _owner.
* No creations of any kind are allowed when the contract is paused.
*/
function oboCreateManyReleases(
DigitalMediaReleaseCreateRequest[] memory requests) external whenNotPaused isApprovedOBO {
for (uint32 i=0; i < requests.length; i++) {
DigitalMediaReleaseCreateRequest memory request = requests[i];
DigitalMedia storage _digitalMedia = idToDigitalMedia[request.digitalMediaId];
require(_digitalMedia.creator != address(0), "DigitalMedia not found.");
_createDigitalMediaReleases(request.owner, request.digitalMediaId, request.releaseIds);
}
}
/**
* Override the isApprovalForAll to check for a special oboApproval list. Reason for this
* is that we can can easily remove obo operators if they every become compromised.
*/
function isApprovedForAll(address _owner, address _operator) public view override registryInitialized returns (bool) {
if (creatorRegistryStore.isOperatorApprovedForCustodialAccount(_operator, _owner) == true) {
return true;
} else {
return super.isApprovedForAll(_owner, _operator);
}
}
/**
* Changes the creator for the current sender, in the event we
* need to be able to mint new tokens from an existing digital media
* print production. When changing creator, the old creator will
* no longer be able to mint tokens.
*
* A creator may need to be changed:
* 1. If we want to allow a creator to take control over their token minting (i.e go decentralized)
* 2. If we want to re-issue private keys due to a compromise. For this reason, we can call this function
* when the contract is paused.
* @param _creator the creator address
* @param _newCreator the new creator address
*/
function changeCreator(address _creator, address _newCreator) external {
address approvedCreator = changedCreators[_creator];
require(msg.sender != address(0) && _creator != address(0), "Creator must be valid non 0x0 address.");
require(msg.sender == _creator || msg.sender == approvedCreator, "Unauthorized caller.");
if (approvedCreator == address(0)) {
changedCreators[msg.sender] = _newCreator;
} else {
require(msg.sender == approvedCreator, "Unauthorized caller.");
changedCreators[_creator] = _newCreator;
}
emit ChangedCreator(_creator, _newCreator);
}
// standard ERC721 burn interface
function burn(uint256 _tokenId) external {
_burnToken(_tokenId, msg.sender);
}
function burnToken(uint256 _tokenId) external {
_burnToken(_tokenId, msg.sender);
}
/**
* Ends the production run of a digital media. Afterwards no more tokens
* will be allowed to be printed for each digital media. Used when a creator
* makes a mistake and wishes to burn and recreate their digital media.
*
* When a contract is paused we do not allow new tokens to be created,
* so stopping the production of a token doesn't have much purpose.
*/
function burnDigitalMedia(uint256 _digitalMediaId) external whenNotPaused {
_burnDigitalMedia(_digitalMediaId, msg.sender);
}
/*
* Batch transfer multiple tokens from their sources to destination
* Owner / ApproveAll user can call this endpoint.
*/
function safeTransferMany(TokenDestinationRequest[] memory requests) external whenNotPaused {
for (uint32 i=0; i < requests.length; i++) {
TokenDestinationRequest memory request = requests[i];
safeTransferFrom(ownerOf(request.tokenId), request.destinationAddress, request.tokenId);
}
}
function _updateDigitalMedia(DigitalMediaUpdateRequest memory request,
DigitalMedia storage _digitalMedia) internal {
require(_digitalMedia.immutableMedia == false, "immutable");
require(_digitalMedia.printIndex <= request.totalSupply, "< currentPrintIndex");
_digitalMedia.totalSupply = request.totalSupply;
_digitalMedia.metadataPath = request.metadataPath;
_digitalMedia.royalty = request.royalty;
delete _digitalMedia.collaborators;
_setCollaboratorsOnDigitalMedia(_digitalMedia, request.collaborators);
emit DigitalMediaUpdateEvent(request.onchainId,
request.totalSupply, request.royalty, request.metadataPath,
request.metadataId);
}
function updateMedia(DigitalMediaUpdateRequest memory request) external {
require(request.creator == msg.sender, "msgSender != creator");
DigitalMedia storage _digitalMedia = idToDigitalMedia[request.onchainId];
require(_digitalMedia.creator != address(0) && _digitalMedia.creator == msg.sender,
"DM creator issue");
_updateDigitalMedia(request, _digitalMedia);
}
/*
* Update existing digitalMedia's metadata, totalSupply, collaborated, royalty
* and immutable attribute. Once a media is immutable you cannot call this function
*/
function updateManyMedias(DigitalMediaUpdateRequest[] memory requests)
external whenNotPaused isApprovedOBO vaultInitialized {
for (uint32 i=0; i < requests.length; i++) {
DigitalMediaUpdateRequest memory request = requests[i];
DigitalMedia storage _digitalMedia = idToDigitalMedia[request.onchainId];
// Call creator registry to check if the creator gave approveAll to vault
require(_digitalMedia.creator != address(0) && _digitalMedia.creator == request.creator,
"DM creator");
require(isApprovedForAll(_digitalMedia.creator, address(vaultStore)) == true, "approveall missing");
_updateDigitalMedia(request, _digitalMedia);
}
}
function makeMediaImmutable(uint256 mediaId) external {
DigitalMedia storage _digitalMedia = idToDigitalMedia[mediaId];
require(_digitalMedia.creator != address(0) && _digitalMedia.creator == msg.sender,
"DM creator");
require(_digitalMedia.immutableMedia == false, "DM immutable");
_digitalMedia.immutableMedia = true;
emit MediaImmutableEvent(mediaId);
}
/*
* Once we update media and feel satisfied with the changes, we can render it immutable now.
*/
function makeMediasImmutable(uint256[] memory mediaIds) external whenNotPaused isApprovedOBO vaultInitialized {
for (uint32 i=0; i < mediaIds.length; i++) {
uint256 mediaId = mediaIds[i];
DigitalMedia storage _digitalMedia = idToDigitalMedia[mediaId];
require(_digitalMedia.creator != address(0), "DM not found.");
require(_digitalMedia.immutableMedia == false, "DM immutable");
require(isApprovedForAll(_digitalMedia.creator, address(vaultStore)) == true, "approveall missing");
_digitalMedia.immutableMedia = true;
}
emit MediasImmutableEvent(mediaIds);
}
function _lookUpTokenAndReturnEntries(uint256 _tokenId, uint256 _salePrice,
bool _isRoyalty) internal view returns(PayoutInfo[] memory entries) {
require(_exists(_tokenId), "no token");
DigitalMediaRelease memory digitalMediaRelease = tokenIdToDigitalMediaRelease[_tokenId];
DigitalMedia memory _digitalMedia = idToDigitalMedia[digitalMediaRelease.digitalMediaId];
uint256 size = _digitalMedia.collaborators.length + 1;
entries = new PayoutInfo[](size);
uint totalRoyaltyPercentage = 0;
for (uint256 index = 0; index < _digitalMedia.collaborators.length; index++) {
address payoutAddress = _getRoyaltyAddress(_digitalMedia.collaborators[index].account);
if (_isRoyalty == true) {
entries[index] = PayoutInfo(payoutAddress,
_digitalMedia.collaborators[index].royalty * _digitalMedia.royalty * _salePrice / (10000 * 10000));
totalRoyaltyPercentage = totalRoyaltyPercentage + _digitalMedia.collaborators[index].royalty;
} else {
entries[index] = PayoutInfo(payoutAddress,
_digitalMedia.collaborators[index].value * _salePrice / 10000);
totalRoyaltyPercentage = totalRoyaltyPercentage + _digitalMedia.collaborators[index].value;
}
}
address creatorPayoutAddress = _getRoyaltyAddress(_digitalMedia.creator);
if (_isRoyalty == true) {
entries[size-1]= PayoutInfo(creatorPayoutAddress, _salePrice * (10000 - totalRoyaltyPercentage) * _digitalMedia.royalty / (10000 * 10000));
} else {
entries[size-1]= PayoutInfo(creatorPayoutAddress, _salePrice * (10000 - totalRoyaltyPercentage) / 10000);
}
return entries;
}
/*
* Return royalty for a given Token. Returns an array of PayoutInfo which consists
* of address to pay to and amount.
* Thank you for posting this gist. Helped me to figure out how to return an array of structs.
* https://gist.github.com/minhth1905/4b6208372fc5e7343b5ce1fb6d42c942
*/
function royaltyInfo(uint256 _tokenId, uint256 _salePrice) external view returns (
PayoutInfo[] memory) {
return _lookUpTokenAndReturnEntries(_tokenId, _salePrice, true);
}
/*
* Given salePrice break down the amount between the creator and collabarators
* according to their percentages.
*/
function saleInfo(uint256 _tokenId, uint256 _totalPayout) external view returns (
PayoutInfo[] memory) {
return _lookUpTokenAndReturnEntries(_tokenId, _totalPayout, false);
}
function pause() external onlyOwner {
_pause();
}
function unpause() external onlyOwner {
_unpause();
}
/*
* helper to verify signature signed by non-custodial creator.
*/
function _verifyReleaseRequestSignature(
ChainSignatureRequest memory request,
bytes calldata signature) internal view {
require(enableExternalMinting == true, "ext minting disabled");
bytes32 encodedRequest = keccak256(abi.encode(request));
address addressWhoSigned = encodedRequest.recover(signature);
require(addressWhoSigned == signerAddress, "sig error");
}
}
// File: SingleCreatorDigitalMediaCore.sol
pragma solidity 0.8.9;
contract SingleCreatorDigitalMediaCore is DigitalMediaCore {
event SingleCreatorChanged(
address indexed previousCreatorAddress,
address indexed newCreatorAddress);
constructor (string memory _tokenName, string memory _tokenSymbol, address _creatorAddress,
address _crsAddress) DigitalMediaCore(
_tokenName, _tokenSymbol, _crsAddress) {
require(_creatorAddress != address(0), "creator address cant be 0");
singleCreatorAddress = _creatorAddress;
}
/**
* A publicly accessible function that allows the current single creator
* assigned to this contract to change to another address.
*/
function changeSingleCreator(address _newCreatorAddress) external {
require(_newCreatorAddress != address(0) &&
singleCreatorAddress != address(0) &&
msg.sender == singleCreatorAddress, "Not approved to change single creator");
singleCreatorAddress = _newCreatorAddress;
emit SingleCreatorChanged(singleCreatorAddress, _newCreatorAddress);
}
}{
"compilationTarget": {
"SingleCreatorDigitalMediaCore.sol": "SingleCreatorDigitalMediaCore"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
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