Contract Name:
EventTicketsNFT
Contract Source Code:
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)
pragma solidity ^0.8.0;
/**
* @dev External interface of AccessControl declared to support ERC165 detection.
*/
interface IAccessControl {
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*
* _Available since v3.1._
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call, an admin role
* bearer except when using {AccessControl-_setupRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Emitted when `account` is revoked `role`.
*
* `sender` is the account that originated the contract call:
* - if using `revokeRole`, it is the admin role bearer
* - if using `renounceRole`, it is the role bearer (i.e. `account`)
*/
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) external view returns (bool);
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {AccessControl-_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) external view returns (bytes32);
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `account`.
*/
function renounceRole(bytes32 role, address account) external;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol)
pragma solidity ^0.8.0;
import "./IAccessControl.sol";
/**
* @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
*/
interface IAccessControlEnumerable is IAccessControl {
/**
* @dev Returns one of the accounts that have `role`. `index` must be a
* value between 0 and {getRoleMemberCount}, non-inclusive.
*
* Role bearers are not sorted in any particular way, and their ordering may
* change at any point.
*
* WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
* you perform all queries on the same block. See the following
* https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
* for more information.
*/
function getRoleMember(bytes32 role, uint256 index) external view returns (address);
/**
* @dev Returns the number of accounts that have `role`. Can be used
* together with {getRoleMember} to enumerate all bearers of a role.
*/
function getRoleMemberCount(bytes32 role) external view returns (uint256);
}
// SPDX-License-Identifier: Apache 2.0
pragma solidity ^0.8.0;
import "./interface/IERC1155.sol";
import "./interface/IERC1155Metadata.sol";
import "./interface/IERC1155Receiver.sol";
contract ERC1155 is IERC1155, IERC1155Metadata {
/*//////////////////////////////////////////////////////////////
State variables
//////////////////////////////////////////////////////////////*/
string public name;
string public symbol;
/*//////////////////////////////////////////////////////////////
Mappings
//////////////////////////////////////////////////////////////*/
mapping(address => mapping(uint256 => uint256)) public balanceOf;
mapping(address => mapping(address => bool)) public isApprovedForAll;
mapping(uint256 => string) internal _uri;
/*//////////////////////////////////////////////////////////////
Constructor
//////////////////////////////////////////////////////////////*/
constructor(string memory _name, string memory _symbol) {
name = _name;
symbol = _symbol;
}
/*//////////////////////////////////////////////////////////////
View functions
//////////////////////////////////////////////////////////////*/
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
return
interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
interfaceId == 0xd9b67a26 || // ERC165 Interface ID for ERC1155
interfaceId == 0x0e89341c; // ERC165 Interface ID for ERC1155MetadataURI
}
function uri(uint256 tokenId) public view virtual override returns (string memory) {
return _uri[tokenId];
}
function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
public
view
virtual
override
returns (uint256[] memory)
{
require(accounts.length == ids.length, "LENGTH_MISMATCH");
uint256[] memory batchBalances = new uint256[](accounts.length);
for (uint256 i = 0; i < accounts.length; ++i) {
batchBalances[i] = balanceOf[accounts[i]][ids[i]];
}
return batchBalances;
}
/*//////////////////////////////////////////////////////////////
ERC1155 logic
//////////////////////////////////////////////////////////////*/
function setApprovalForAll(address operator, bool approved) public virtual override {
address owner = msg.sender;
require(owner != operator, "APPROVING_SELF");
isApprovedForAll[owner][operator] = approved;
emit ApprovalForAll(owner, operator, approved);
}
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) public virtual override {
require(from == msg.sender || isApprovedForAll[from][msg.sender], "!OWNER_OR_APPROVED");
_safeTransferFrom(from, to, id, amount, data);
}
function safeBatchTransferFrom(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) public virtual override {
require(from == msg.sender || isApprovedForAll[from][msg.sender], "!OWNER_OR_APPROVED");
_safeBatchTransferFrom(from, to, ids, amounts, data);
}
/*//////////////////////////////////////////////////////////////
Internal logic
//////////////////////////////////////////////////////////////*/
function _safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) internal virtual {
require(to != address(0), "TO_ZERO_ADDR");
address operator = msg.sender;
_beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data);
uint256 fromBalance = balanceOf[from][id];
require(fromBalance >= amount, "INSUFFICIENT_BAL");
unchecked {
balanceOf[from][id] = fromBalance - amount;
}
balanceOf[to][id] += amount;
emit TransferSingle(operator, from, to, id, amount);
_doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
}
function _safeBatchTransferFrom(
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
require(ids.length == amounts.length, "LENGTH_MISMATCH");
require(to != address(0), "TO_ZERO_ADDR");
address operator = msg.sender;
_beforeTokenTransfer(operator, from, to, ids, amounts, data);
for (uint256 i = 0; i < ids.length; ++i) {
uint256 id = ids[i];
uint256 amount = amounts[i];
uint256 fromBalance = balanceOf[from][id];
require(fromBalance >= amount, "INSUFFICIENT_BAL");
unchecked {
balanceOf[from][id] = fromBalance - amount;
}
balanceOf[to][id] += amount;
}
emit TransferBatch(operator, from, to, ids, amounts);
_doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
}
function _setTokenURI(uint256 tokenId, string memory newuri) internal virtual {
_uri[tokenId] = newuri;
}
function _mint(
address to,
uint256 id,
uint256 amount,
bytes memory data
) internal virtual {
require(to != address(0), "TO_ZERO_ADDR");
address operator = msg.sender;
_beforeTokenTransfer(operator, address(0), to, _asSingletonArray(id), _asSingletonArray(amount), data);
balanceOf[to][id] += amount;
emit TransferSingle(operator, address(0), to, id, amount);
_doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
}
function _mintBatch(
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {
require(to != address(0), "TO_ZERO_ADDR");
require(ids.length == amounts.length, "LENGTH_MISMATCH");
address operator = msg.sender;
_beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
for (uint256 i = 0; i < ids.length; i++) {
balanceOf[to][ids[i]] += amounts[i];
}
emit TransferBatch(operator, address(0), to, ids, amounts);
_doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
}
function _burn(
address from,
uint256 id,
uint256 amount
) internal virtual {
require(from != address(0), "FROM_ZERO_ADDR");
address operator = msg.sender;
_beforeTokenTransfer(operator, from, address(0), _asSingletonArray(id), _asSingletonArray(amount), "");
uint256 fromBalance = balanceOf[from][id];
require(fromBalance >= amount, "INSUFFICIENT_BAL");
unchecked {
balanceOf[from][id] = fromBalance - amount;
}
emit TransferSingle(operator, from, address(0), id, amount);
}
function _burnBatch(
address from,
uint256[] memory ids,
uint256[] memory amounts
) internal virtual {
require(from != address(0), "FROM_ZERO_ADDR");
require(ids.length == amounts.length, "LENGTH_MISMATCH");
address operator = msg.sender;
_beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
for (uint256 i = 0; i < ids.length; i++) {
uint256 id = ids[i];
uint256 amount = amounts[i];
uint256 fromBalance = balanceOf[from][id];
require(fromBalance >= amount, "INSUFFICIENT_BAL");
unchecked {
balanceOf[from][id] = fromBalance - amount;
}
}
emit TransferBatch(operator, from, address(0), ids, amounts);
}
function _beforeTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual {}
function _doSafeTransferAcceptanceCheck(
address operator,
address from,
address to,
uint256 id,
uint256 amount,
bytes memory data
) private {
if (to.code.length > 0) {
try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
if (response != IERC1155Receiver.onERC1155Received.selector) {
revert("TOKENS_REJECTED");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("!ERC1155RECEIVER");
}
}
}
function _doSafeBatchTransferAcceptanceCheck(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) private {
if (to.code.length > 0) {
try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
bytes4 response
) {
if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {
revert("TOKENS_REJECTED");
}
} catch Error(string memory reason) {
revert(reason);
} catch {
revert("!ERC1155RECEIVER");
}
}
}
function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
uint256[] memory array = new uint256[](1);
array[0] = element;
return array;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./interface/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: Apache-2.0
pragma solidity ^0.8.0;
/**
@title ERC-1155 Multi Token Standard
@dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1155.md
Note: The ERC-165 identifier for this interface is 0xd9b67a26.
*/
interface IERC1155 {
/**
@dev Either `TransferSingle` or `TransferBatch` MUST emit when tokens are transferred, including zero value transfers as well as minting or burning (see "Safe Transfer Rules" section of the standard).
The `_operator` argument MUST be msg.sender.
The `_from` argument MUST be the address of the holder whose balance is decreased.
The `_to` argument MUST be the address of the recipient whose balance is increased.
The `_id` argument MUST be the token type being transferred.
The `_value` argument MUST be the number of tokens the holder balance is decreased by and match what the recipient balance is increased by.
When minting/creating tokens, the `_from` argument MUST be set to `0x0` (i.e. zero address).
When burning/destroying tokens, the `_to` argument MUST be set to `0x0` (i.e. zero address).
*/
event TransferSingle(
address indexed _operator,
address indexed _from,
address indexed _to,
uint256 _id,
uint256 _value
);
/**
@dev Either `TransferSingle` or `TransferBatch` MUST emit when tokens are transferred, including zero value transfers as well as minting or burning (see "Safe Transfer Rules" section of the standard).
The `_operator` argument MUST be msg.sender.
The `_from` argument MUST be the address of the holder whose balance is decreased.
The `_to` argument MUST be the address of the recipient whose balance is increased.
The `_ids` argument MUST be the list of tokens being transferred.
The `_values` argument MUST be the list of number of tokens (matching the list and order of tokens specified in _ids) the holder balance is decreased by and match what the recipient balance is increased by.
When minting/creating tokens, the `_from` argument MUST be set to `0x0` (i.e. zero address).
When burning/destroying tokens, the `_to` argument MUST be set to `0x0` (i.e. zero address).
*/
event TransferBatch(
address indexed _operator,
address indexed _from,
address indexed _to,
uint256[] _ids,
uint256[] _values
);
/**
@dev MUST emit when approval for a second party/operator address to manage all tokens for an owner address is enabled or disabled (absense of an event assumes disabled).
*/
event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);
/**
@dev MUST emit when the URI is updated for a token ID.
URIs are defined in RFC 3986.
The URI MUST point a JSON file that conforms to the "ERC-1155 Metadata URI JSON Schema".
*/
event URI(string _value, uint256 indexed _id);
/**
@notice Transfers `_value` amount of an `_id` from the `_from` address to the `_to` address specified (with safety call).
@dev Caller must be approved to manage the tokens being transferred out of the `_from` account (see "Approval" section of the standard).
MUST revert if `_to` is the zero address.
MUST revert if balance of holder for token `_id` is lower than the `_value` sent.
MUST revert on any other error.
MUST emit the `TransferSingle` event to reflect the balance change (see "Safe Transfer Rules" section of the standard).
After the above conditions are met, this function MUST check if `_to` is a smart contract (e.g. code size > 0). If so, it MUST call `onERC1155Received` on `_to` and act appropriately (see "Safe Transfer Rules" section of the standard).
@param _from Source address
@param _to Target address
@param _id ID of the token type
@param _value Transfer amount
@param _data Additional data with no specified format, MUST be sent unaltered in call to `onERC1155Received` on `_to`
*/
function safeTransferFrom(
address _from,
address _to,
uint256 _id,
uint256 _value,
bytes calldata _data
) external;
/**
@notice Transfers `_values` amount(s) of `_ids` from the `_from` address to the `_to` address specified (with safety call).
@dev Caller must be approved to manage the tokens being transferred out of the `_from` account (see "Approval" section of the standard).
MUST revert if `_to` is the zero address.
MUST revert if length of `_ids` is not the same as length of `_values`.
MUST revert if any of the balance(s) of the holder(s) for token(s) in `_ids` is lower than the respective amount(s) in `_values` sent to the recipient.
MUST revert on any other error.
MUST emit `TransferSingle` or `TransferBatch` event(s) such that all the balance changes are reflected (see "Safe Transfer Rules" section of the standard).
Balance changes and events MUST follow the ordering of the arrays (_ids[0]/_values[0] before _ids[1]/_values[1], etc).
After the above conditions for the transfer(s) in the batch are met, this function MUST check if `_to` is a smart contract (e.g. code size > 0). If so, it MUST call the relevant `ERC1155TokenReceiver` hook(s) on `_to` and act appropriately (see "Safe Transfer Rules" section of the standard).
@param _from Source address
@param _to Target address
@param _ids IDs of each token type (order and length must match _values array)
@param _values Transfer amounts per token type (order and length must match _ids array)
@param _data Additional data with no specified format, MUST be sent unaltered in call to the `ERC1155TokenReceiver` hook(s) on `_to`
*/
function safeBatchTransferFrom(
address _from,
address _to,
uint256[] calldata _ids,
uint256[] calldata _values,
bytes calldata _data
) external;
/**
@notice Get the balance of an account's Tokens.
@param _owner The address of the token holder
@param _id ID of the Token
@return The _owner's balance of the Token type requested
*/
function balanceOf(address _owner, uint256 _id) external view returns (uint256);
/**
@notice Get the balance of multiple account/token pairs
@param _owners The addresses of the token holders
@param _ids ID of the Tokens
@return The _owner's balance of the Token types requested (i.e. balance for each (owner, id) pair)
*/
function balanceOfBatch(address[] calldata _owners, uint256[] calldata _ids)
external
view
returns (uint256[] memory);
/**
@notice Enable or disable approval for a third party ("operator") to manage all of the caller's tokens.
@dev MUST emit the ApprovalForAll event on success.
@param _operator Address to add to the set of authorized operators
@param _approved True if the operator is approved, false to revoke approval
*/
function setApprovalForAll(address _operator, bool _approved) external;
/**
@notice Queries the approval status of an operator for a given owner.
@param _owner The owner of the Tokens
@param _operator Address of authorized operator
@return True if the operator is approved, false if not
*/
function isApprovedForAll(address _owner, address _operator) external view returns (bool);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/**
Note: The ERC-165 identifier for this interface is 0x0e89341c.
*/
interface IERC1155Metadata {
/**
@notice A distinct Uniform Resource Identifier (URI) for a given token.
@dev URIs are defined in RFC 3986.
The URI may point to a JSON file that conforms to the "ERC-1155 Metadata URI JSON Schema".
@return URI string
*/
function uri(uint256 _id) external view returns (string memory);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev _Available since v3.1._
*/
interface IERC1155Receiver is IERC165 {
/**
* @dev Handles the receipt of a single ERC1155 token type. This function is
* called at the end of a `safeTransferFrom` after the balance has been updated.
*
* NOTE: To accept the transfer, this must return
* `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
* (i.e. 0xf23a6e61, or its own function selector).
*
* @param operator The address which initiated the transfer (i.e. msg.sender)
* @param from The address which previously owned the token
* @param id The ID of the token being transferred
* @param value The amount of tokens being transferred
* @param data Additional data with no specified format
* @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
*/
function onERC1155Received(
address operator,
address from,
uint256 id,
uint256 value,
bytes calldata data
) external returns (bytes4);
/**
* @dev Handles the receipt of a multiple ERC1155 token types. This function
* is called at the end of a `safeBatchTransferFrom` after the balances have
* been updated.
*
* NOTE: To accept the transfer(s), this must return
* `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
* (i.e. 0xbc197c81, or its own function selector).
*
* @param operator The address which initiated the batch transfer (i.e. msg.sender)
* @param from The address which previously owned the token
* @param ids An array containing ids of each token being transferred (order and length must match values array)
* @param values An array containing amounts of each token being transferred (order and length must match ids array)
* @param data Additional data with no specified format
* @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
*/
function onERC1155BatchReceived(
address operator,
address from,
uint256[] calldata ids,
uint256[] calldata values,
bytes calldata data
) external returns (bytes4);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* [EIP](https://eips.ethereum.org/EIPS/eip-165).
*
* 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
* [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
* 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: Apache-2.0
pragma solidity ^0.8.0;
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// SPDX-License-Identifier: Apache 2.0
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Interface for the NFT Royalty Standard.
*
* A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
* support for royalty payments across all NFT marketplaces and ecosystem participants.
*
* _Available since v4.5._
*/
interface IERC2981 is IERC165 {
/**
* @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
* exchange. The royalty amount is denominated and should be payed in that same unit of exchange.
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
returns (address receiver, uint256 royaltyAmount);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/**
* @title Batch-mint Metadata
* @notice The `BatchMintMetadata` is a contract extension for any base NFT contract. It lets the smart contract
* using this extension set metadata for `n` number of NFTs all at once. This is enabled by storing a single
* base URI for a batch of `n` NFTs, where the metadata for each NFT in a relevant batch is `baseURI/tokenId`.
*/
contract BatchMintMetadata {
/// @dev Largest tokenId of each batch of tokens with the same baseURI.
uint256[] private batchIds;
/// @dev Mapping from id of a batch of tokens => to base URI for the respective batch of tokens.
mapping(uint256 => string) private baseURI;
/**
* @notice Returns the count of batches of NFTs.
* @dev Each batch of tokens has an in ID and an associated `baseURI`.
* See {batchIds}.
*/
function getBaseURICount() public view returns (uint256) {
return batchIds.length;
}
/**
* @notice Returns the ID for the batch of tokens the given tokenId belongs to.
* @dev See {getBaseURICount}.
* @param _index ID of a token.
*/
function getBatchIdAtIndex(uint256 _index) public view returns (uint256) {
if (_index >= getBaseURICount()) {
revert("Invalid index");
}
return batchIds[_index];
}
/// @dev Returns the id for the batch of tokens the given tokenId belongs to.
function _getBatchId(uint256 _tokenId) internal view returns (uint256 batchId, uint256 index) {
uint256 numOfTokenBatches = getBaseURICount();
uint256[] memory indices = batchIds;
for (uint256 i = 0; i < numOfTokenBatches; i += 1) {
if (_tokenId < indices[i]) {
index = i;
batchId = indices[i];
return (batchId, index);
}
}
revert("Invalid tokenId");
}
/// @dev Returns the baseURI for a token. The intended metadata URI for the token is baseURI + tokenId.
function _getBaseURI(uint256 _tokenId) internal view returns (string memory) {
uint256 numOfTokenBatches = getBaseURICount();
uint256[] memory indices = batchIds;
for (uint256 i = 0; i < numOfTokenBatches; i += 1) {
if (_tokenId < indices[i]) {
return baseURI[indices[i]];
}
}
revert("Invalid tokenId");
}
/// @dev Sets the base URI for the batch of tokens with the given batchId.
function _setBaseURI(uint256 _batchId, string memory _baseURI) internal {
baseURI[_batchId] = _baseURI;
}
/// @dev Mints a batch of tokenIds and associates a common baseURI to all those Ids.
function _batchMintMetadata(
uint256 _startId,
uint256 _amountToMint,
string memory _baseURIForTokens
) internal returns (uint256 nextTokenIdToMint, uint256 batchId) {
batchId = _startId + _amountToMint;
nextTokenIdToMint = batchId;
batchIds.push(batchId);
baseURI[batchId] = _baseURIForTokens;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol)
pragma solidity ^0.8.0;
import "../lib/TWAddress.sol";
import "./interface/IMulticall.sol";
/**
* @dev Provides a function to batch together multiple calls in a single external call.
*
* _Available since v4.1._
*/
contract Multicall is IMulticall {
/**
* @notice Receives and executes a batch of function calls on this contract.
* @dev Receives and executes a batch of function calls on this contract.
*
* @param data The bytes data that makes up the batch of function calls to execute.
* @return results The bytes data that makes up the result of the batch of function calls executed.
*/
function multicall(bytes[] calldata data) external virtual override returns (bytes[] memory results) {
results = new bytes[](data.length);
for (uint256 i = 0; i < data.length; i++) {
results[i] = TWAddress.functionDelegateCall(address(this), data[i]);
}
return results;
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
import "./interface/IOwnable.sol";
/**
* @title Ownable
* @notice Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading
* who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses
* information about who the contract's owner is.
*/
abstract contract Ownable is IOwnable {
/// @dev Owner of the contract (purpose: OpenSea compatibility)
address private _owner;
/// @dev Reverts if caller is not the owner.
modifier onlyOwner() {
if (msg.sender != _owner) {
revert("Not authorized");
}
_;
}
/**
* @notice Returns the owner of the contract.
*/
function owner() public view override returns (address) {
return _owner;
}
/**
* @notice Lets an authorized wallet set a new owner for the contract.
* @param _newOwner The address to set as the new owner of the contract.
*/
function setOwner(address _newOwner) external override {
if (!_canSetOwner()) {
revert("Not authorized");
}
_setupOwner(_newOwner);
}
/// @dev Lets a contract admin set a new owner for the contract. The new owner must be a contract admin.
function _setupOwner(address _newOwner) internal {
address _prevOwner = _owner;
_owner = _newOwner;
emit OwnerUpdated(_prevOwner, _newOwner);
}
/// @dev Returns whether owner can be set in the given execution context.
function _canSetOwner() internal view virtual returns (bool);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
import "./interface/IRoyalty.sol";
/**
* @title Royalty
* @notice Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading
* the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic
* that uses information about royalty fees, if desired.
*
* @dev The `Royalty` contract is ERC2981 compliant.
*/
abstract contract Royalty is IRoyalty {
/// @dev The (default) address that receives all royalty value.
address private royaltyRecipient;
/// @dev The (default) % of a sale to take as royalty (in basis points).
uint16 private royaltyBps;
/// @dev Token ID => royalty recipient and bps for token
mapping(uint256 => RoyaltyInfo) private royaltyInfoForToken;
/**
* @notice View royalty info for a given token and sale price.
* @dev Returns royalty amount and recipient for `tokenId` and `salePrice`.
* @param tokenId The tokenID of the NFT for which to query royalty info.
* @param salePrice Sale price of the token.
*
* @return receiver Address of royalty recipient account.
* @return royaltyAmount Royalty amount calculated at current royaltyBps value.
*/
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
virtual
override
returns (address receiver, uint256 royaltyAmount)
{
(address recipient, uint256 bps) = getRoyaltyInfoForToken(tokenId);
receiver = recipient;
royaltyAmount = (salePrice * bps) / 10_000;
}
/**
* @notice View royalty info for a given token.
* @dev Returns royalty recipient and bps for `_tokenId`.
* @param _tokenId The tokenID of the NFT for which to query royalty info.
*/
function getRoyaltyInfoForToken(uint256 _tokenId) public view override returns (address, uint16) {
RoyaltyInfo memory royaltyForToken = royaltyInfoForToken[_tokenId];
return
royaltyForToken.recipient == address(0)
? (royaltyRecipient, uint16(royaltyBps))
: (royaltyForToken.recipient, uint16(royaltyForToken.bps));
}
/**
* @notice Returns the defualt royalty recipient and BPS for this contract's NFTs.
*/
function getDefaultRoyaltyInfo() external view override returns (address, uint16) {
return (royaltyRecipient, uint16(royaltyBps));
}
/**
* @notice Updates default royalty recipient and bps.
* @dev Caller should be authorized to set royalty info.
* See {_canSetRoyaltyInfo}.
* Emits {DefaultRoyalty Event}; See {_setupDefaultRoyaltyInfo}.
*
* @param _royaltyRecipient Address to be set as default royalty recipient.
* @param _royaltyBps Updated royalty bps.
*/
function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external override {
if (!_canSetRoyaltyInfo()) {
revert("Not authorized");
}
_setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps);
}
/// @dev Lets a contract admin update the default royalty recipient and bps.
function _setupDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) internal {
if (_royaltyBps > 10_000) {
revert("Exceeds max bps");
}
royaltyRecipient = _royaltyRecipient;
royaltyBps = uint16(_royaltyBps);
emit DefaultRoyalty(_royaltyRecipient, _royaltyBps);
}
/**
* @notice Updates default royalty recipient and bps for a particular token.
* @dev Sets royalty info for `_tokenId`. Caller should be authorized to set royalty info.
* See {_canSetRoyaltyInfo}.
* Emits {RoyaltyForToken Event}; See {_setupRoyaltyInfoForToken}.
*
* @param _recipient Address to be set as royalty recipient for given token Id.
* @param _bps Updated royalty bps for the token Id.
*/
function setRoyaltyInfoForToken(
uint256 _tokenId,
address _recipient,
uint256 _bps
) external override {
if (!_canSetRoyaltyInfo()) {
revert("Not authorized");
}
_setupRoyaltyInfoForToken(_tokenId, _recipient, _bps);
}
/// @dev Lets a contract admin set the royalty recipient and bps for a particular token Id.
function _setupRoyaltyInfoForToken(
uint256 _tokenId,
address _recipient,
uint256 _bps
) internal {
if (_bps > 10_000) {
revert("Exceeds max bps");
}
royaltyInfoForToken[_tokenId] = RoyaltyInfo({ recipient: _recipient, bps: _bps });
emit RoyaltyForToken(_tokenId, _recipient, _bps);
}
/// @dev Returns whether royalty info can be set in the given execution context.
function _canSetRoyaltyInfo() internal view virtual returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides a function to batch together multiple calls in a single external call.
*
* _Available since v4.1._
*/
interface IMulticall {
/**
* @dev Receives and executes a batch of function calls on this contract.
*/
function multicall(bytes[] calldata data) external returns (bytes[] memory results);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/**
* Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading
* who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses
* information about who the contract's owner is.
*/
interface IOwnable {
/// @dev Returns the owner of the contract.
function owner() external view returns (address);
/// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin.
function setOwner(address _newOwner) external;
/// @dev Emitted when a new Owner is set.
event OwnerUpdated(address indexed prevOwner, address indexed newOwner);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
import "../../eip/interface/IERC2981.sol";
/**
* Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading
* the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic
* that uses information about royalty fees, if desired.
*
* The `Royalty` contract is ERC2981 compliant.
*/
interface IRoyalty is IERC2981 {
struct RoyaltyInfo {
address recipient;
uint256 bps;
}
/// @dev Returns the royalty recipient and fee bps.
function getDefaultRoyaltyInfo() external view returns (address, uint16);
/// @dev Lets a module admin update the royalty bps and recipient.
function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external;
/// @dev Lets a module admin set the royalty recipient for a particular token Id.
function setRoyaltyInfoForToken(
uint256 tokenId,
address recipient,
uint256 bps
) external;
/// @dev Returns the royalty recipient for a particular token Id.
function getRoyaltyInfoForToken(uint256 tokenId) external view returns (address, uint16);
/// @dev Emitted when royalty info is updated.
event DefaultRoyalty(address indexed newRoyaltyRecipient, uint256 newRoyaltyBps);
/// @dev Emitted when royalty recipient for tokenId is set
event RoyaltyForToken(uint256 indexed tokenId, address indexed royaltyRecipient, uint256 royaltyBps);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
interface IWETH {
function deposit() external payable;
function withdraw(uint256 amount) external;
function transfer(address to, uint256 value) external returns (bool);
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
// Helper interfaces
import { IWETH } from "../interfaces/IWETH.sol";
import "../openzeppelin-presets/token/ERC20/utils/SafeERC20.sol";
library CurrencyTransferLib {
using SafeERC20 for IERC20;
/// @dev The address interpreted as native token of the chain.
address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
/// @dev Transfers a given amount of currency.
function transferCurrency(
address _currency,
address _from,
address _to,
uint256 _amount
) internal {
if (_amount == 0) {
return;
}
if (_currency == NATIVE_TOKEN) {
safeTransferNativeToken(_to, _amount);
} else {
safeTransferERC20(_currency, _from, _to, _amount);
}
}
/// @dev Transfers a given amount of currency. (With native token wrapping)
function transferCurrencyWithWrapper(
address _currency,
address _from,
address _to,
uint256 _amount,
address _nativeTokenWrapper
) internal {
if (_amount == 0) {
return;
}
if (_currency == NATIVE_TOKEN) {
if (_from == address(this)) {
// withdraw from weth then transfer withdrawn native token to recipient
IWETH(_nativeTokenWrapper).withdraw(_amount);
safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
} else if (_to == address(this)) {
// store native currency in weth
require(_amount == msg.value, "msg.value != amount");
IWETH(_nativeTokenWrapper).deposit{ value: _amount }();
} else {
safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
}
} else {
safeTransferERC20(_currency, _from, _to, _amount);
}
}
/// @dev Transfer `amount` of ERC20 token from `from` to `to`.
function safeTransferERC20(
address _currency,
address _from,
address _to,
uint256 _amount
) internal {
if (_from == _to) {
return;
}
if (_from == address(this)) {
IERC20(_currency).safeTransfer(_to, _amount);
} else {
IERC20(_currency).safeTransferFrom(_from, _to, _amount);
}
}
/// @dev Transfers `amount` of native token to `to`.
function safeTransferNativeToken(address to, uint256 value) internal {
// solhint-disable avoid-low-level-calls
// slither-disable-next-line low-level-calls
(bool success, ) = to.call{ value: value }("");
require(success, "native token transfer failed");
}
/// @dev Transfers `amount` of native token to `to`. (With native token wrapping)
function safeTransferNativeTokenWithWrapper(
address to,
uint256 value,
address _nativeTokenWrapper
) internal {
// solhint-disable avoid-low-level-calls
// slither-disable-next-line low-level-calls
(bool success, ) = to.call{ value: value }("");
if (!success) {
IWETH(_nativeTokenWrapper).deposit{ value: value }();
IERC20(_nativeTokenWrapper).safeTransfer(to, value);
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library TWAddress {
/**
* @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.
*
* [EIP1884](https://eips.ethereum.org/EIPS/eip-1884) 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/Strings.sol)
pragma solidity ^0.8.0;
/**
* @dev String operations.
*/
library TWStrings {
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 (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import "../../../../eip/interface/IERC20.sol";
import "../../../../lib/TWAddress.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using TWAddress for address;
function safeTransfer(
IERC20 token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(
IERC20 token,
address spender,
uint256 value
) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
// Return data is optional
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/utils/ERC1155Holder.sol)
pragma solidity ^0.8.0;
import "./ERC1155Receiver.sol";
/**
* Simple implementation of `ERC1155Receiver` that will allow a contract to hold ERC1155 tokens.
*
* IMPORTANT: When inheriting this contract, you must include a way to use the received tokens, otherwise they will be
* stuck.
*
* @dev _Available since v3.1._
*/
contract ERC1155Holder is ERC1155Receiver {
function onERC1155Received(
address,
address,
uint256,
uint256,
bytes memory
) public virtual override returns (bytes4) {
return this.onERC1155Received.selector;
}
function onERC1155BatchReceived(
address,
address,
uint256[] memory,
uint256[] memory,
bytes memory
) public virtual override returns (bytes4) {
return this.onERC1155BatchReceived.selector;
}
}
// SPDX-License-Identifier: Apache 2.0
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)
pragma solidity ^0.8.0;
import "../../../eip/interface/IERC1155Receiver.sol";
import "../../../eip/ERC165.sol";
/**
* @dev _Available since v3.1._
*/
abstract contract ERC1155Receiver is ERC165, IERC1155Receiver {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)
pragma solidity ^0.8.0;
import "../../../lib/TWStrings.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", TWStrings.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/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);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@thirdweb-dev/contracts/lib/CurrencyTransferLib.sol";
import "@thirdweb-dev/contracts/openzeppelin-presets/utils/ERC1155/ERC1155Holder.sol";
import "./extension/EventOrgAccess.sol";
import "./extension/SignatureMintERC1155.sol";
import "./extension/ERC1155Short.sol";
/**
* BASE: ERC1155Base
* EXTENSION: overridden SignatureMintERC1155
*
* The `ERC1155SignatureMint` contract uses the `ERC1155Base` contract, along with the `SignatureMintERC1155` extension.
*
* The 'signature minting' mechanism in the `SignatureMintERC1155` extension uses EIP 712, and is a way for a contract
* admin to authorize an external party's request to mint tokens on the admin's contract. At a high level, this means
* you can authorize some external party to mint tokens on your contract, and specify what exactly will be minted by
* that external party.
*
*/
contract EventTicketsNFT is ERC1155Short, SignatureMintERC1155, EventOrgAccess, ERC1155Holder {
uint128 private _oazizCommission;
/**
* @notice Returns the max remaining supply of NFTs of a given tokenId
* @dev Mapping from tokenId => total remaining supply of NFTs of that tokenId.
*/
mapping(string => uint256) public soldTicketCount;
mapping(string => uint256) public maxTicketCount;
/**
* @notice Returns the tokenId by external off-chain id
* @dev Mapping from id(off-chain) => NFT tokenId
*/
mapping(string => uint256) public tokenIdByTicketExternalId;
mapping(string => mapping(uint256 => uint256)) public balanceOfByEmail;
mapping(uint => string[]) private emailsByTokenId ;
struct CancelTicket {
address owner;
uint256 tokenId;
uint256 quantity;
}
constructor(
string memory _name,
string memory _symbol,
address _royaltyRecipient,
uint128 _royaltyBps,
address _primarySaleRecipient,
address _organizationOwner,
address _oazizOrganization,
uint128 _commission
)
ERC1155Short(_name, _symbol, _royaltyRecipient, _royaltyBps)
EventOrgAccess(_organizationOwner, _oazizOrganization)
{
setOazizCommission(_commission);
nextTokenIdToMint_ = 1;
}
function getemailsByTokenId(uint256 _tokenId) external view returns(string[] memory) {
return emailsByTokenId[_tokenId];
}
function setOazizCommission(uint128 _commission) public onlyOwner {
require(_commission <= 10000, "Commission in percentage can't be more than 10000");
_oazizCommission = _commission;
}
function getOazizCommissionByPrice(uint256 totalPrice) internal view returns (uint256) {
return totalPrice == 0 ? 0 : (totalPrice * _oazizCommission) / 10_000;
}
function setupTicket(
string memory externalId,
uint256 quantity,
address[] memory addAddressesToWhitelist,
string memory uri_
) external onlyOwner {
require(quantity > 0, "Invalid quantity");
require(maxTicketCount[externalId] >= soldTicketCount[externalId], "You mustn't set maxTickets less than sold tickets");
maxTicketCount[externalId] = quantity;
setExistProductExternalId(externalId);
if (tokenIdByTicketExternalId[externalId] > 0 && bytes(uri_).length > 0) {
_setTokenURI(tokenIdByTicketExternalId[externalId], uri_);
}
if (addAddressesToWhitelist.length > 0) {
grandAccessForUsers(addAddressesToWhitelist, externalId);
toggleWhitelistLogic(true);
}
}
function getRemainingTickets(string memory externalId) public view returns (uint256) {
return maxTicketCount[externalId] - soldTicketCount[externalId];
}
function makeGift(MintRequest calldata _req) external onlyAdminOrContributorOrgMembers {
_mintProcess(_req, msg.sender);
}
// /**
// * @notice Lets an owner or approved operator burn NFTs of the given tokenId.
// *
// * @param _owner The owner of the NFT to burn.
// * @param _tokenId The tokenId of the NFT to burn.
// * @param _amount The amount of the NFT to burn.
// */
function cancelTicketByOrg(CancelTicket[] memory cancelTickets) external onlyAdminOrContributorOrgMembers {
for (uint256 i = 0; i < cancelTickets.length; i++) {
CancelTicket memory cancelTicket = cancelTickets[i];
_burn(cancelTicket.owner, cancelTicket.tokenId, cancelTicket.quantity);
}
}
/**
* @notice Mints tokens according to the provided mint request.
*
* @param _req The payload / mint request.
* @param _signature The signature produced by an account signing the mint request.
*/
function mintWithSignature(MintRequest calldata _req, bytes calldata _signature)
external
payable
virtual
override
returns (address signer)
{
// Verify and process payload.
signer = _processRequest(_req, _signature);
_mintProcess(_req, signer);
}
/*
* @notice Mints tokens according to the provided mint request.
* @todo Can be optimized for create oly one call for price transfer
* @param _reqs List of the payloads / mint requests.
* @param _signature List of the signatures produced by an account signing the mint requests.
*/
function batchMintWithSignature(MintRequest[] calldata _reqs, bytes[] calldata _signatures)
external
payable
{
require(_reqs.length == _signatures.length, "Length between mintReqs and signatures are mismatch");
for (uint i = 0; i < _reqs.length; i++) {
this.mintWithSignature{value : _reqs[i].pricePerToken * _reqs[i].quantity}(_reqs[i], _signatures[i]);
}
}
/*//////////////////////////////////////////////////////////////
// Internal functions(copied)
//////////////////////////////////////////////////////////////*/
/// @dev Returns whether a given address is authorized to sign mint requests.
function _canSignMintRequest(address _signer) internal view virtual override returns (bool) {
return _signer == owner();
}
function _mintProcess(MintRequest calldata _req, address signerOrMinter) internal {
require(_req.quantity > 0, "Minting zero tokens");
// Retrieve tokenId by request
uint256 tokenIdToMint = _checkAndRetrieveTokenId(_req);
address receiver;
if (_req.to == address(0)) {
require(bytes(_req.email).length > 0, "Email must be set");
balanceOfByEmail[_req.email][tokenIdToMint] += _req.quantity;
emailsByTokenId[tokenIdToMint].push(_req.email);
receiver = address(this);
}
else {
receiver = _req.to;
}
require(isAddressHasAccessToTicket(receiver, _req.externalId), 'Not in community');
// Collect price
_collectPriceOnClaim(_req.quantity, _req.currency, _req.pricePerToken);
// Set royalties, if applicable.
if (_req.royaltyRecipient != address(0)) {
_setupRoyaltyInfoForToken(tokenIdToMint, _req.royaltyRecipient, _req.royaltyBps);
}
// Set URI
if (_req.tokenId == type(uint256).max) {
_setTokenURI(tokenIdToMint, _req.uri);
}
// Mint tokens.
_mint(receiver, tokenIdToMint, _req.quantity, "");
emit TokensMintedWithSignature(signerOrMinter, receiver, tokenIdToMint, _req);
}
function transferFromEmail(string memory email, address _to, uint tokenId) external {
require(checkAdminOrContributor(organizationOaziz), "Not enough permission");
uint amount = balanceOfByEmail[email][tokenId];
_safeTransferFrom(address(this), _to, tokenId, amount, "");
balanceOfByEmail[email][tokenId] -= amount;
}
function _beforeTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual override {
for (uint256 i = 0; i < ids.length; i++) {
require(ids[i] != 0, "Can not use tokenId=0");
}
return super._beforeTokenTransfer(operator, from, to, ids, amounts, data);
}
/// @dev Collects and distributes the primary sale value of NFTs being claimed.
function _collectPriceOnClaim(
uint256 _quantityToClaim,
address _currency,
uint256 _pricePerToken
) internal virtual {
if (_pricePerToken == 0) {
return;
}
uint256 totalPrice = _quantityToClaim * _pricePerToken;
if (_currency == CurrencyTransferLib.NATIVE_TOKEN) {
require(msg.value == totalPrice, "Must send total price.");
}
uint256 oazizCommission = getOazizCommissionByPrice(totalPrice);
address oazizPayoutAddress = organizationOaziz.getPayoutAddress();
address orgPayoutAddress = organizationOwner.getPayoutAddress();
address commissionRecipient = oazizPayoutAddress == address(0) ? owner() : oazizPayoutAddress;
CurrencyTransferLib.transferCurrency(_currency, msg.sender, commissionRecipient, oazizCommission);
address saleRecipient = orgPayoutAddress == address(0) ? owner() : orgPayoutAddress;
CurrencyTransferLib.transferCurrency(_currency, msg.sender, saleRecipient, totalPrice - oazizCommission);
}
/// @dev Collects and distributes the primary sale value of NFTs being claimed.
/// @notice This function return one of this station:
/// (savedTokenId, reqTokenId):
/// (0, maxInt) -> store new tokenId
/// (n, max) -> return n
/// (n(x), n(x)) -> return n(x)
/// otherwise -> exception
function _checkAndRetrieveTokenId(MintRequest calldata _req)
internal
returns (uint256 solvedTokenId) {
require(
_req.quantity <= getRemainingTickets(_req.externalId),
"Not enough remaining balance for the token"
);
soldTicketCount[_req.externalId] += _req.quantity;
uint savedTokenIdToMint = tokenIdByTicketExternalId[_req.externalId];
uint reqTokenId = _req.tokenId;
if (savedTokenIdToMint == 0 && reqTokenId == type(uint256).max) {
solvedTokenId = nextTokenIdToMint();
tokenIdByTicketExternalId[_req.externalId] = solvedTokenId;
nextTokenIdToMint_ += 1;
} else if (
(savedTokenIdToMint != 0 && reqTokenId == type(uint256).max)
|| savedTokenIdToMint == reqTokenId
) {
solvedTokenId = savedTokenIdToMint;
}
require(solvedTokenId != 0, "TokenId should be chosen");
return solvedTokenId;
}
function supportsInterface(bytes4 interfaceId)
public
view
virtual
override(ERC1155Short, ERC1155Receiver)
returns (bool) {
return
ERC1155Short.supportsInterface(interfaceId) ||
ERC1155Receiver.supportsInterface(interfaceId) ||
interfaceId == 0xf23a6e61 ||
interfaceId == 0xbc197c81;
}
function getSoldTickets(string[] memory externalIds) public view returns (uint256[] memory) {
uint256[] memory result = new uint256[](externalIds.length);
for (uint i = 0; i < externalIds.length; i++) {
result[i] = soldTicketCount[externalIds[i]];
}
return result;
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
import { ERC1155 } from "@thirdweb-dev/contracts/eip/ERC1155.sol";
import "@thirdweb-dev/contracts/extension/Multicall.sol";
import "@thirdweb-dev/contracts/extension/Ownable.sol";
import "@thirdweb-dev/contracts/extension/Royalty.sol";
import "@thirdweb-dev/contracts/extension/BatchMintMetadata.sol";
import "@thirdweb-dev/contracts/lib/TWStrings.sol";
/**
* The `ERC1155Base` smart contract implements the ERC1155 NFT standard.
* It includes the following additions to standard ERC1155 logic:
*
* - Ability to mint NFTs via the provided `mintTo` and `batchMintTo` functions.
*
* - Contract metadata for royalty support on platforms such as OpenSea that use
* off-chain information to distribute roaylties.
*
* - Ownership of the contract, with the ability to restrict certain functions to
* only be called by the contract's owner.
*
* - Multicall capability to perform multiple actions atomically
*
* - EIP 2981 compliance for royalty support on NFT marketplaces.
*/
contract ERC1155Short is ERC1155, Ownable, Royalty, Multicall, BatchMintMetadata {
using TWStrings for uint256;
/*//////////////////////////////////////////////////////////////
State variables
//////////////////////////////////////////////////////////////*/
/// @dev The tokenId of the next NFT to mint.
uint256 internal nextTokenIdToMint_;
/*//////////////////////////////////////////////////////////////
Mappings
//////////////////////////////////////////////////////////////*/
/**
* @notice Returns the total supply of NFTs of a given tokenId
* @dev Mapping from tokenId => total circulating supply of NFTs of that tokenId.
*/
mapping(uint256 => uint256) public totalSupply;
/*//////////////////////////////////////////////////////////////
Constructor
//////////////////////////////////////////////////////////////*/
constructor(
string memory _name,
string memory _symbol,
address _royaltyRecipient,
uint128 _royaltyBps
) ERC1155(_name, _symbol) {
_setupOwner(msg.sender);
_setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps);
}
/*//////////////////////////////////////////////////////////////
Overriden metadata logic
//////////////////////////////////////////////////////////////*/
/// @notice Returns the metadata URI for the given tokenId.
function uri(uint256 _tokenId) public view virtual override returns (string memory) {
string memory uriForToken = _uri[_tokenId];
if (bytes(uriForToken).length > 0) {
return uriForToken;
}
string memory batchUri = _getBaseURI(_tokenId);
return string(abi.encodePacked(batchUri, _tokenId.toString()));
}
/*//////////////////////////////////////////////////////////////
Mint / burn logic
//////////////////////////////////////////////////////////////*/
/**
* @notice Lets an authorized address mint NFTs to a recipient.
* @dev - The logic in the `_canMint` function determines whether the caller is authorized to mint NFTs.
* - If `_tokenId == type(uint256).max` a new NFT at tokenId `nextTokenIdToMint` is minted. If the given
* `tokenId < nextTokenIdToMint`, then additional supply of an existing NFT is being minted.
*
* @param _to The recipient of the NFTs to mint.
* @param _tokenId The tokenId of the NFT to mint.
* @param _tokenURI The full metadata URI for the NFTs minted (if a new NFT is being minted).
* @param _amount The amount of the same NFT to mint.
*/
function mintTo(
address _to,
uint256 _tokenId,
string memory _tokenURI,
uint256 _amount
) public virtual {
require(_canMint(), "Not authorized to mint.");
uint256 tokenIdToMint;
uint256 nextIdToMint = nextTokenIdToMint();
if (_tokenId == type(uint256).max) {
tokenIdToMint = nextIdToMint;
nextTokenIdToMint_ += 1;
_setTokenURI(nextIdToMint, _tokenURI);
} else {
require(_tokenId < nextIdToMint, "invalid id");
tokenIdToMint = _tokenId;
}
_mint(_to, tokenIdToMint, _amount, "");
}
/**
* @notice Lets an authorized address mint multiple NEW NFTs at once to a recipient.
* @dev The logic in the `_canMint` function determines whether the caller is authorized to mint NFTs.
* If `_tokenIds[i] == type(uint256).max` a new NFT at tokenId `nextTokenIdToMint` is minted. If the given
* `tokenIds[i] < nextTokenIdToMint`, then additional supply of an existing NFT is minted.
* The metadata for each new NFT is stored at `baseURI/{tokenID of NFT}`
*
* @param _to The recipient of the NFT to mint.
* @param _tokenIds The tokenIds of the NFTs to mint.
* @param _amounts The amounts of each NFT to mint.
* @param _baseURI The baseURI for the `n` number of NFTs minted. The metadata for each NFT is `baseURI/tokenId`
*/
function batchMintTo(
address _to,
uint256[] memory _tokenIds,
uint256[] memory _amounts,
string memory _baseURI
) public virtual {
require(_canMint(), "Not authorized to mint.");
require(_amounts.length > 0, "Minting zero tokens.");
require(_tokenIds.length == _amounts.length, "Length mismatch.");
uint256 nextIdToMint = nextTokenIdToMint();
uint256 startNextIdToMint = nextIdToMint;
uint256 numOfNewNFTs;
for (uint256 i = 0; i < _tokenIds.length; i += 1) {
if (_tokenIds[i] == type(uint256).max) {
_tokenIds[i] = nextIdToMint;
nextIdToMint += 1;
numOfNewNFTs += 1;
} else {
require(_tokenIds[i] < nextIdToMint, "invalid id");
}
}
if (numOfNewNFTs > 0) {
_batchMintMetadata(startNextIdToMint, numOfNewNFTs, _baseURI);
}
nextTokenIdToMint_ = nextIdToMint;
_mintBatch(_to, _tokenIds, _amounts, "");
}
/**
* @notice Lets an owner or approved operator burn NFTs of the given tokenId.
*
* @param _owner The owner of the NFT to burn.
* @param _tokenId The tokenId of the NFT to burn.
* @param _amount The amount of the NFT to burn.
*/
function burn(
address _owner,
uint256 _tokenId,
uint256 _amount
) external virtual {
address caller = msg.sender;
require(caller == _owner || isApprovedForAll[_owner][caller], "Unapproved caller");
require(balanceOf[_owner][_tokenId] >= _amount, "Not enough tokens owned");
_burn(_owner, _tokenId, _amount);
}
/**
* @notice Lets an owner or approved operator burn NFTs of the given tokenIds.
*
* @param _owner The owner of the NFTs to burn.
* @param _tokenIds The tokenIds of the NFTs to burn.
* @param _amounts The amounts of the NFTs to burn.
*/
function burnBatch(
address _owner,
uint256[] memory _tokenIds,
uint256[] memory _amounts
) external virtual {
address caller = msg.sender;
require(caller == _owner || isApprovedForAll[_owner][caller], "Unapproved caller");
require(_tokenIds.length == _amounts.length, "Length mismatch");
for (uint256 i = 0; i < _tokenIds.length; i += 1) {
require(balanceOf[_owner][_tokenIds[i]] >= _amounts[i], "Not enough tokens owned");
}
_burnBatch(_owner, _tokenIds, _amounts);
}
/*//////////////////////////////////////////////////////////////
ERC165 Logic
//////////////////////////////////////////////////////////////*/
/// @notice Returns whether this contract supports the given interface.
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC1155, IERC165) returns (bool) {
return
interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
interfaceId == 0xd9b67a26 || // ERC165 Interface ID for ERC1155
interfaceId == 0x0e89341c || // ERC165 Interface ID for ERC1155MetadataURI
interfaceId == type(IERC2981).interfaceId; // ERC165 ID for ERC2981
}
/*//////////////////////////////////////////////////////////////
View functions
//////////////////////////////////////////////////////////////*/
/// @notice The tokenId assigned to the next new NFT to be minted.
function nextTokenIdToMint() public view virtual returns (uint256) {
return nextTokenIdToMint_;
}
/*//////////////////////////////////////////////////////////////
Internal (overrideable) functions
//////////////////////////////////////////////////////////////*/
/// @dev Returns whether a token can be minted in the given execution context.
function _canMint() internal view virtual returns (bool) {
return msg.sender == owner();
}
/// @dev Returns whether owner can be set in the given execution context.
function _canSetOwner() internal view virtual override returns (bool) {
return msg.sender == owner();
}
/// @dev Returns whether royalty info can be set in the given execution context.
function _canSetRoyaltyInfo() internal view virtual override returns (bool) {
return msg.sender == owner();
}
/// @dev Runs before every token transfer / mint / burn.
function _beforeTokenTransfer(
address operator,
address from,
address to,
uint256[] memory ids,
uint256[] memory amounts,
bytes memory data
) internal virtual override {
super._beforeTokenTransfer(operator, from, to, ids, amounts, data);
if (from == address(0)) {
for (uint256 i = 0; i < ids.length; ++i) {
totalSupply[ids[i]] += amounts[i];
}
}
if (to == address(0)) {
for (uint256 i = 0; i < ids.length; ++i) {
totalSupply[ids[i]] -= amounts[i];
}
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@thirdweb-dev/contracts/extension/Ownable.sol";
import "../interfaces/IOazizOrganization.sol";
abstract contract EventOrgAccess is Ownable {
IOazizOrganization public organizationOwner;
IOazizOrganization public organizationOaziz;
bool public isWhitelistEnable;
mapping(string => bool) public existProductExternalId;
mapping(address => mapping(string => bool)) private isAccessGrantedByAddressForProduct;
function _checkOneOfRole(IOazizOrganization orgSc, bytes32[] memory roleIds) private view returns (bool isMember) {
isMember = false;
for (uint i = 0; i < roleIds.length; i++) {
if (orgSc.hasRole(roleIds[i], msg.sender)) {
isMember = true;
break;
}
}
}
function checkAdminOrContributor(IOazizOrganization orgSc) internal view returns (bool) {
bytes32[] memory roleIds = new bytes32[](2);
roleIds[0] = organizationOwner.ADMIN_ROLE();
roleIds[1] = organizationOwner.CONTRIBUTOR();
return _checkOneOfRole(orgSc, roleIds);
}
modifier onlyAdminOrContributorOrgMembers() {
require(
checkAdminOrContributor(organizationOwner),
"Not enough permission"
);
_;
}
function onlyOrgAdminOrContributorOrOazizMembers() internal view {
require(
owner() == msg.sender
||
checkAdminOrContributor(organizationOwner)
||
checkAdminOrContributor(organizationOaziz)
,
"Not enough permission"
);
}
constructor(address _organizationOwner, address _organizationOaziz){
organizationOwner = IOazizOrganization(_organizationOwner);
organizationOaziz = IOazizOrganization(_organizationOaziz);
}
function setExistProductExternalId(string memory _productExternalId) public {
onlyOrgAdminOrContributorOrOazizMembers();
existProductExternalId[_productExternalId] = true;
}
function grandAccessForUsers(address[] memory _addresses, string memory externalProductId) public {
onlyOrgAdminOrContributorOrOazizMembers();
require(existProductExternalId[externalProductId], "Product should be exist");
for (uint i = 0; i < _addresses.length; i++) {
isAccessGrantedByAddressForProduct[_addresses[i]][externalProductId] = true;
}
}
function removeAccessForUsers(address[] memory _addresses, string memory externalProductId) public {
onlyOrgAdminOrContributorOrOazizMembers();
require(existProductExternalId[externalProductId], "Product should be exist");
for (uint i = 0; i < _addresses.length; i++) {
if (isAccessGrantedByAddressForProduct[_addresses[i]][externalProductId]) {
isAccessGrantedByAddressForProduct[_addresses[i]][externalProductId] = false;
}
}
}
function isAddressHasAccessToTicket(address _address, string memory externalProductId) public view returns (bool) {
if (!isWhitelistEnable || _address == address(0)) return true;
return isAccessGrantedByAddressForProduct[_address][externalProductId];
}
function toggleWhitelistLogic(bool isEnable) public {
onlyOrgAdminOrContributorOrOazizMembers();
isWhitelistEnable = isEnable;
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
import "@thirdweb-dev/contracts/openzeppelin-presets/utils/cryptography/EIP712.sol";
import "./interfaces/ISignatureMintERC1155.sol";
abstract contract SignatureMintERC1155 is EIP712, ISignatureMintERC1155 {
using ECDSA for bytes32;
bytes32 internal constant TYPEHASH =
keccak256(
"MintRequest(address to,address royaltyRecipient,uint256 royaltyBps,uint256 tokenId,string uri,uint256 quantity,uint256 pricePerToken,address currency,uint128 validityStartTimestamp,uint128 validityEndTimestamp,bytes32 uid,string externalId,string email)"
);
/// @dev Mapping from mint request UID => whether the mint request is processed.
mapping(bytes32 => bool) private minted;
constructor() EIP712("SignatureMintERC1155", "1") {}
/// @dev Verifies that a mint request is signed by an account holding MINTER_ROLE (at the time of the function call).
function verify(MintRequest calldata _req, bytes calldata _signature)
public
view
override
returns (bool success, address signer)
{
signer = _recoverAddress(_req, _signature);
success = !minted[_req.uid] && _canSignMintRequest(signer);
}
/// @dev Returns whether a given address is authorized to sign mint requests.
function _canSignMintRequest(address _signer) internal view virtual returns (bool);
/// @dev Verifies a mint request and marks the request as minted.
function _processRequest(MintRequest calldata _req, bytes calldata _signature) internal returns (address signer) {
bool success;
(success, signer) = verify(_req, _signature);
require(success, "Invalid request");
require(
_req.validityStartTimestamp <= block.timestamp && block.timestamp <= _req.validityEndTimestamp,
"Request expired"
);
require(_req.to != address(0) || bytes(_req.email).length > 0, "recipient undefined");
require(_req.quantity > 0, "0 qty");
minted[_req.uid] = true;
}
/// @dev Returns the address of the signer of the mint request.
function _recoverAddress(MintRequest calldata _req, bytes calldata _signature) internal view returns (address) {
return _hashTypedDataV4(keccak256(_encodeRequest(_req))).recover(_signature);
}
/// @dev Resolves 'stack too deep' error in `recoverAddress`.
function _encodeRequest(MintRequest calldata _req) internal pure returns (bytes memory) {
return
abi.encode(
TYPEHASH,
_req.to,
_req.royaltyRecipient,
_req.royaltyBps,
_req.tokenId,
keccak256(bytes(_req.uri)),
_req.quantity,
_req.pricePerToken,
_req.currency,
_req.validityStartTimestamp,
_req.validityEndTimestamp,
_req.uid,
keccak256(bytes(_req.externalId)),
keccak256(bytes(_req.email))
);
}
}
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
/**
* The 'signature minting' mechanism used in thirdweb Token smart contracts is a way for a contract admin to authorize an external party's
* request to mint tokens on the admin's contract.
*
* At a high level, this means you can authorize some external party to mint tokens on your contract, and specify what exactly will be
* minted by that external party.
*/
interface ISignatureMintERC1155 {
/**
* @notice The body of a request to mint tokens.
*
* @param to The receiver of the tokens to mint.
* @param royaltyRecipient The recipient of the minted token's secondary sales royalties. (Not applicable for ERC20 tokens)
* @param royaltyBps The percentage of the minted token's secondary sales to take as royalties. (Not applicable for ERC20 tokens)
* @param primarySaleRecipient The recipient of the minted token's primary sales proceeds.
* @param tokenId The tokenId of the token to mint. (Only applicable for ERC1155 tokens)
* @param uri The metadata URI of the token to mint. (Not applicable for ERC20 tokens)
* @param quantity The quantity of tokens to mint.
* @param pricePerToken The price to pay per quantity of tokens minted.
* @param currency The currency in which to pay the price per token minted.
* @param validityStartTimestamp The unix timestamp after which the payload is valid.
* @param validityEndTimestamp The unix timestamp at which the payload expires.
* @param uid A unique identifier for the payload.
*/
struct MintRequest {
address to;
address royaltyRecipient;
uint256 royaltyBps;
// address primarySaleRecipient;
uint256 tokenId;
string uri;
uint256 quantity;
uint256 pricePerToken;
address currency;
uint128 validityStartTimestamp;
uint128 validityEndTimestamp;
bytes32 uid;
string externalId;
string email;
}
/// @dev Emitted when tokens are minted.
event TokensMintedWithSignature(
address indexed signer,
address indexed mintedTo,
uint256 indexed tokenIdMinted,
MintRequest mintRequest
);
/**
* @notice Verifies that a mint request is signed by an account holding
* MINTER_ROLE (at the time of the function call).
*
* @param req The payload / mint request.
* @param signature The signature produced by an account signing the mint request.
*
* returns (success, signer) Result of verification and the recovered address.
*/
function verify(MintRequest calldata req, bytes calldata signature)
external
view
returns (bool success, address signer);
/**
* @notice Mints tokens according to the provided mint request.
*
* @param req The payload / mint request.
* @param signature The signature produced by an account signing the mint request.
*/
function mintWithSignature(MintRequest calldata req, bytes calldata signature)
external
payable
returns (address signer);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/access/IAccessControlEnumerable.sol";
abstract contract IOazizOrganization is IAccessControlEnumerable {
// DEFAULT_ADMIN_ROLE exist in AccessControl
bytes32 public constant ADMIN_ROLE = 0x00;
bytes32 public constant CONTRIBUTOR = keccak256("CONTRIBUTOR");
bytes32 public constant SCANNER = keccak256("SCANNER");
function getPayoutAddress() external view virtual returns (address);
}