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{
"language": "Solidity",
"sources": {
"contracts/PixieDust.sol": {
"content": "// SPDX-License-Identifier: MIT\r\n\r\n\r\n/*\r\n･ *ﾟ\r\n ･ ﾟ*\r\n ･｡ \r\n *･｡\r\n *.｡ \r\n ｡･\r\n °*.\r\n ｡･ \r\n ｡･\r\n ｡｡ \r\n ･ ﾟ*.\r\n ﾟ*.\r\n ｡｡ ･\r\n ｡ ･ﾟ\r\n ｡°*.\r\n ｡*･｡\r\n*/\r\n\r\npragma solidity ^0.8.17;\r\n\r\n\r\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC1155/ERC1155.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\r\n\r\nabstract contract PixieJars {\r\n function walletOfOwner(address) external virtual view returns (uint256[] memory);\r\n function ownerOf(uint256) external virtual view returns (address);\r\n function balanceOf(address) external virtual view returns (uint256);\r\n}\r\n\r\nabstract contract CompanionJars {\r\n function stakedBy(uint256) external virtual view returns (address);\r\n function balanceOf(address) external virtual view returns (uint256);\r\n}\r\n\r\nabstract contract WalletOfOwnerHelper {\r\n function walletOfOwner(address collectionAddress, address owner, uint256 startTokenID, uint256 endTokenID) public virtual view returns (uint256[] memory);\r\n}\r\n\r\ncontract PixieDust is ERC1155, ERC20, Ownable {\r\n\r\n uint256 public constant JAR_OF_DUST_ID = 1;\r\n uint256 public constant JAR_OF_DUST_VALUE = 100 * 10**18;\r\n uint256 public constant INITIAL_CLAIM_PER_PIXIE = 50 * 10**18;\r\n\r\n string public dustTokenURI;\r\n string internal _contractURI = \"\";\r\n uint256[20] public claimedDust;\r\n mapping(address => bool) public allowedOperator;\r\n PixieJars pixieJars;\r\n CompanionJars companionJars;\r\n WalletOfOwnerHelper walletOfOwnerHelper;\r\n\r\n constructor(string memory mContractURI, string memory _dustURI, address _pixieJars, address _walletOfOwnerHelper) ERC1155(\"\") ERC20(\"Pixie Dust\", \"PD\") {\r\n pixieJars = PixieJars(_pixieJars);\r\n walletOfOwnerHelper = WalletOfOwnerHelper(_walletOfOwnerHelper);\r\n dustTokenURI = _dustURI;\r\n _contractURI = mContractURI;\r\n emit URI(dustTokenURI, JAR_OF_DUST_ID);\r\n }\r\n\r\n function setPixieJarsContract(address _pixieJars) external onlyOwner {\r\n pixieJars = PixieJars(_pixieJars);\r\n }\r\n\r\n function setCompanionJarsContract(address _companionJars) external onlyOwner {\r\n companionJars = CompanionJars(_companionJars);\r\n }\r\n\r\n function setWalletOfOwnerHelper(address _walletOfOwnerHelper) external onlyOwner {\r\n walletOfOwnerHelper = WalletOfOwnerHelper(_walletOfOwnerHelper);\r\n }\r\n\r\n function setDustTokenURI(string memory _dustURI) external onlyOwner {\r\n dustTokenURI = _dustURI;\r\n emit URI(dustTokenURI, JAR_OF_DUST_ID);\r\n }\r\n\r\n function setContractURI(string calldata newContractURI) external onlyOwner {\r\n _contractURI = newContractURI;\r\n }\r\n\r\n function setAllowed(address _operator, bool _allowed) external onlyOwner {\r\n allowedOperator[_operator] = _allowed;\r\n }\r\n\r\n function mintDust(address to, uint256 amount) external {\r\n require(allowedOperator[msg.sender], \"NOT ALLOWED\");\r\n _mint(to, amount);\r\n }\r\n\r\n function burnDust(address from, uint256 amount) external {\r\n require(allowedOperator[msg.sender], \"NOT ALLOWED\");\r\n _burn(from, amount);\r\n }\r\n\r\n function uri(uint256 id) public view virtual override returns (string memory) {\r\n require(id == JAR_OF_DUST_ID);\r\n return dustTokenURI;\r\n }\r\n\r\n function contractURI() external view returns (string memory) {\r\n return _contractURI;\r\n }\r\n\r\n function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {\r\n require(id == JAR_OF_DUST_ID, \"INVALID TOKEN\");\r\n uint256 dustBalance = balanceOf(account);\r\n return dustBalance / JAR_OF_DUST_VALUE;\r\n }\r\n\r\n function balanceOfBatch(address[] memory accounts, uint256[] memory) public view virtual override returns (uint256[] memory) {\r\n uint256[] memory batchBalances = new uint256[](accounts.length);\r\n uint256 dustBalance;\r\n for(uint256 i = 0;i < accounts.length;i++) {\r\n dustBalance = balanceOf(accounts[i]);\r\n batchBalances[i] = dustBalance / JAR_OF_DUST_VALUE;\r\n }\r\n return batchBalances;\r\n }\r\n\r\n function _safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes memory) internal virtual override {\r\n require(id == JAR_OF_DUST_ID);\r\n\r\n uint256 dustAmount = amount * JAR_OF_DUST_VALUE;\r\n _transfer(from, to, dustAmount);\r\n }\r\n\r\n function _safeBatchTransferFrom(address, address, uint256[] memory, uint256[] memory, bytes memory) internal virtual override {\r\n revert(\"NO BATCH TRANSFERS\");\r\n }\r\n\r\n function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual override {\r\n uint256 fromDustAfter = balanceOf(from);\r\n uint256 toDustAfter = balanceOf(to);\r\n uint256 fromJarsAfter = fromDustAfter / JAR_OF_DUST_VALUE;\r\n uint256 toJarsAfter = toDustAfter / JAR_OF_DUST_VALUE;\r\n uint256 fromJarsBefore = (fromDustAfter + amount) / JAR_OF_DUST_VALUE;\r\n uint256 toJarsBefore = 0;\r\n if(toDustAfter >= amount) {\r\n toJarsBefore = (toDustAfter - amount) / JAR_OF_DUST_VALUE;\r\n }\r\n uint256 toJarDiff = toJarsAfter - toJarsBefore;\r\n uint256 fromJarDiff = fromJarsBefore - fromJarsAfter;\r\n if(toJarDiff == fromJarDiff) {\r\n if(toJarDiff > 0) {\r\n emit TransferSingle(_msgSender(), from, to, JAR_OF_DUST_ID, toJarDiff);\r\n }\r\n } else if(toJarDiff > fromJarDiff) {\r\n if(fromJarDiff > 0) {\r\n emit TransferSingle(_msgSender(), from, to, JAR_OF_DUST_ID, fromJarDiff);\r\n }\r\n emit TransferSingle(_msgSender(), address(0), to, JAR_OF_DUST_ID, (toJarDiff - fromJarDiff));\r\n } else {\r\n if(toJarDiff > 0) {\r\n emit TransferSingle(_msgSender(), from, to, JAR_OF_DUST_ID, toJarDiff);\r\n }\r\n emit TransferSingle(_msgSender(), from, address(0), JAR_OF_DUST_ID, (fromJarDiff - toJarDiff));\r\n }\r\n }\r\n\r\n function claimDust(uint256[] calldata pixieTokenId) external {\r\n require(pixieTokenId.length > 0);\r\n uint256[] memory claimUpdates = new uint256[](20);\r\n uint256 totalClaim = 0;\r\n uint256 a = 0;\r\n uint256 b = 0;\r\n for(uint256 i = 0;i < pixieTokenId.length;i++) {\r\n if(pixieJars.ownerOf(pixieTokenId[i]) == msg.sender || companionJars.stakedBy(pixieTokenId[i]) == msg.sender) {\r\n a = pixieTokenId[i] / 256;\r\n b = pixieTokenId[i] % 256;\r\n if(claimedDust[a] & 2**b == 0 && claimUpdates[a] & 2**b == 0) {\r\n totalClaim = totalClaim + INITIAL_CLAIM_PER_PIXIE;\r\n claimUpdates[a] = claimUpdates[a] + 2 ** b;\r\n }\r\n }\r\n }\r\n require(totalClaim > 0);\r\n for(uint256 i = 0;i < claimUpdates.length;i++) {\r\n if(claimUpdates[i] > 0) {\r\n claimedDust[i] = claimedDust[i] | claimUpdates[i];\r\n }\r\n }\r\n _mint(msg.sender, totalClaim);\r\n }\r\n\r\n function isClaimed(uint256 pixieTokenId) external view returns(bool) {\r\n uint256 a = pixieTokenId / 256;\r\n uint256 b = pixieTokenId % 256;\r\n return claimedDust[a] & 2**b != 0;\r\n }\r\n\r\n function unclaimedPixiesByOwner(address _owner) external view returns(uint256[] memory) {\r\n uint256 pixieBalance = pixieJars.balanceOf(_owner);\r\n uint256 combinedBalance = companionJars.balanceOf(_owner);\r\n if(pixieBalance == 0 && combinedBalance == 0) { revert(\"No pixies owned.\"); }\r\n uint256[] memory pixieTokenIds = new uint256[](pixieBalance);\r\n pixieTokenIds = pixieJars.walletOfOwner(_owner);\r\n uint256 unclaimedCount = 0;\r\n for(uint256 i = 0;i < pixieTokenIds.length;i++) {\r\n if(!this.isClaimed(pixieTokenIds[i])) {\r\n unclaimedCount++;\r\n }\r\n }\r\n uint256[] memory combinedTokenIds = new uint256[](combinedBalance);\r\n combinedTokenIds = walletOfOwnerHelper.walletOfOwner(address(companionJars), _owner, 1, 5000);\r\n for(uint256 i = 0;i < combinedTokenIds.length;i++) {\r\n if(!this.isClaimed(combinedTokenIds[i])) {\r\n unclaimedCount++;\r\n }\r\n }\r\n if(unclaimedCount == 0) { revert(\"No unclaimed dust.\"); }\r\n uint256[] memory unclaimedTokenIds = new uint256[](unclaimedCount);\r\n uint256 unclaimedIndex = 0;\r\n for(uint256 i = 0;i < pixieTokenIds.length;i++) {\r\n if(!this.isClaimed(pixieTokenIds[i])) {\r\n unclaimedTokenIds[unclaimedIndex] = pixieTokenIds[i];\r\n unclaimedIndex++;\r\n if(unclaimedIndex == unclaimedCount) break;\r\n }\r\n }\r\n for(uint256 i = 0;i < combinedTokenIds.length;i++) {\r\n if(!this.isClaimed(combinedTokenIds[i])) {\r\n unclaimedTokenIds[unclaimedIndex] = combinedTokenIds[i];\r\n unclaimedIndex++;\r\n if(unclaimedIndex == unclaimedCount) break;\r\n }\r\n }\r\n\r\n return unclaimedTokenIds;\r\n }\r\n}"
},
"@openzeppelin/contracts/token/ERC20/ERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n *\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n mapping(address => uint256) private _balances;\n\n mapping(address => mapping(address => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /**\n * @dev Sets the values for {name} and {symbol}.\n *\n * The default value of {decimals} is 18. To select a different value for\n * {decimals} you should overload it.\n *\n * All two of these values are immutable: they can only be set once during\n * construction.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev Returns the name of the token.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n *\n * Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the value {ERC20} uses, unless this function is\n * overridden;\n *\n * NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n */\n function decimals() public view virtual override returns (uint8) {\n return 18;\n }\n\n /**\n * @dev See {IERC20-totalSupply}.\n */\n function totalSupply() public view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /**\n * @dev See {IERC20-balanceOf}.\n */\n function balanceOf(address account) public view virtual override returns (uint256) {\n return _balances[account];\n }\n\n /**\n * @dev See {IERC20-transfer}.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - the caller must have a balance of at least `amount`.\n */\n function transfer(address to, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-allowance}.\n */\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function approve(address spender, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-transferFrom}.\n *\n * Emits an {Approval} event indicating the updated allowance. This is not\n * required by the EIP. See the note at the beginning of {ERC20}.\n *\n * NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n *\n * Requirements:\n *\n * - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `amount`.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual override returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, amount);\n _transfer(from, to, amount);\n return true;\n }\n\n /**\n * @dev Atomically increases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, allowance(owner, spender) + addedValue);\n return true;\n }\n\n /**\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `spender` must have allowance for the caller of at least\n * `subtractedValue`.\n */\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n address owner = _msgSender();\n uint256 currentAllowance = allowance(owner, spender);\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(owner, spender, currentAllowance - subtractedValue);\n }\n\n return true;\n }\n\n /**\n * @dev Moves `amount` of tokens from `from` to `to`.\n *\n * This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n *\n * Emits a {Transfer} event.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n */\n function _transfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, amount);\n\n uint256 fromBalance = _balances[from];\n require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[from] = fromBalance - amount;\n // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by\n // decrementing then incrementing.\n _balances[to] += amount;\n }\n\n emit Transfer(from, to, amount);\n\n _afterTokenTransfer(from, to, amount);\n }\n\n /** @dev Creates `amount` tokens and assigns them to `account`, increasing\n * the total supply.\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function _mint(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: mint to the zero address\");\n\n _beforeTokenTransfer(address(0), account, amount);\n\n _totalSupply += amount;\n unchecked {\n // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.\n _balances[account] += amount;\n }\n emit Transfer(address(0), account, amount);\n\n _afterTokenTransfer(address(0), account, amount);\n }\n\n /**\n * @dev Destroys `amount` tokens from `account`, reducing the\n * total supply.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n * - `account` must have at least `amount` tokens.\n */\n function _burn(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: burn from the zero address\");\n\n _beforeTokenTransfer(account, address(0), amount);\n\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n // Overflow not possible: amount <= accountBalance <= totalSupply.\n _totalSupply -= amount;\n }\n\n emit Transfer(account, address(0), amount);\n\n _afterTokenTransfer(account, address(0), amount);\n }\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n *\n * This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n */\n function _approve(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n /**\n * @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n *\n * Does not update the allowance amount in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Might emit an {Approval} event.\n */\n function _spendAllowance(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n unchecked {\n _approve(owner, spender, currentAllowance - amount);\n }\n }\n }\n\n /**\n * @dev Hook that is called before any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * will be transferred to `to`.\n * - when `from` is zero, `amount` tokens will be minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/ERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC1155/ERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC1155.sol\";\nimport \"./IERC1155Receiver.sol\";\nimport \"./extensions/IERC1155MetadataURI.sol\";\nimport \"../../utils/Address.sol\";\nimport \"../../utils/Context.sol\";\nimport \"../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev Implementation of the basic standard multi-token.\n * See https://eips.ethereum.org/EIPS/eip-1155\n * Originally based on code by Enjin: https://github.com/enjin/erc-1155\n *\n * _Available since v3.1._\n */\ncontract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {\n using Address for address;\n\n // Mapping from token ID to account balances\n mapping(uint256 => mapping(address => uint256)) private _balances;\n\n // Mapping from account to operator approvals\n mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json\n string private _uri;\n\n /**\n * @dev See {_setURI}.\n */\n constructor(string memory uri_) {\n _setURI(uri_);\n }\n\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n return\n interfaceId == type(IERC1155).interfaceId ||\n interfaceId == type(IERC1155MetadataURI).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /**\n * @dev See {IERC1155MetadataURI-uri}.\n *\n * This implementation returns the same URI for *all* token types. It relies\n * on the token type ID substitution mechanism\n * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].\n *\n * Clients calling this function must replace the `\\{id\\}` substring with the\n * actual token type ID.\n */\n function uri(uint256) public view virtual override returns (string memory) {\n return _uri;\n }\n\n /**\n * @dev See {IERC1155-balanceOf}.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {\n require(account != address(0), \"ERC1155: address zero is not a valid owner\");\n return _balances[id][account];\n }\n\n /**\n * @dev See {IERC1155-balanceOfBatch}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] memory accounts, uint256[] memory ids)\n public\n view\n virtual\n override\n returns (uint256[] memory)\n {\n require(accounts.length == ids.length, \"ERC1155: accounts and ids length mismatch\");\n\n uint256[] memory batchBalances = new uint256[](accounts.length);\n\n for (uint256 i = 0; i < accounts.length; ++i) {\n batchBalances[i] = balanceOf(accounts[i], ids[i]);\n }\n\n return batchBalances;\n }\n\n /**\n * @dev See {IERC1155-setApprovalForAll}.\n */\n function setApprovalForAll(address operator, bool approved) public virtual override {\n _setApprovalForAll(_msgSender(), operator, approved);\n }\n\n /**\n * @dev See {IERC1155-isApprovedForAll}.\n */\n function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {\n return _operatorApprovals[account][operator];\n }\n\n /**\n * @dev See {IERC1155-safeTransferFrom}.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) public virtual override {\n require(\n from == _msgSender() || isApprovedForAll(from, _msgSender()),\n \"ERC1155: caller is not token owner or approved\"\n );\n _safeTransferFrom(from, to, id, amount, data);\n }\n\n /**\n * @dev See {IERC1155-safeBatchTransferFrom}.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) public virtual override {\n require(\n from == _msgSender() || isApprovedForAll(from, _msgSender()),\n \"ERC1155: caller is not token owner or approved\"\n );\n _safeBatchTransferFrom(from, to, ids, amounts, data);\n }\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function _safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual {\n require(to != address(0), \"ERC1155: transfer to the zero address\");\n\n address operator = _msgSender();\n uint256[] memory ids = _asSingletonArray(id);\n uint256[] memory amounts = _asSingletonArray(amount);\n\n _beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n uint256 fromBalance = _balances[id][from];\n require(fromBalance >= amount, \"ERC1155: insufficient balance for transfer\");\n unchecked {\n _balances[id][from] = fromBalance - amount;\n }\n _balances[id][to] += amount;\n\n emit TransferSingle(operator, from, to, id, amount);\n\n _afterTokenTransfer(operator, from, to, ids, amounts, data);\n\n _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);\n }\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function _safeBatchTransferFrom(\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n require(to != address(0), \"ERC1155: transfer to the zero address\");\n\n address operator = _msgSender();\n\n _beforeTokenTransfer(operator, from, to, ids, amounts, data);\n\n for (uint256 i = 0; i < ids.length; ++i) {\n uint256 id = ids[i];\n uint256 amount = amounts[i];\n\n uint256 fromBalance = _balances[id][from];\n require(fromBalance >= amount, \"ERC1155: insufficient balance for transfer\");\n unchecked {\n _balances[id][from] = fromBalance - amount;\n }\n _balances[id][to] += amount;\n }\n\n emit TransferBatch(operator, from, to, ids, amounts);\n\n _afterTokenTransfer(operator, from, to, ids, amounts, data);\n\n _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);\n }\n\n /**\n * @dev Sets a new URI for all token types, by relying on the token type ID\n * substitution mechanism\n * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].\n *\n * By this mechanism, any occurrence of the `\\{id\\}` substring in either the\n * URI or any of the amounts in the JSON file at said URI will be replaced by\n * clients with the token type ID.\n *\n * For example, the `https://token-cdn-domain/\\{id\\}.json` URI would be\n * interpreted by clients as\n * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`\n * for token type ID 0x4cce0.\n *\n * See {uri}.\n *\n * Because these URIs cannot be meaningfully represented by the {URI} event,\n * this function emits no events.\n */\n function _setURI(string memory newuri) internal virtual {\n _uri = newuri;\n }\n\n /**\n * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function _mint(\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) internal virtual {\n require(to != address(0), \"ERC1155: mint to the zero address\");\n\n address operator = _msgSender();\n uint256[] memory ids = _asSingletonArray(id);\n uint256[] memory amounts = _asSingletonArray(amount);\n\n _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n _balances[id][to] += amount;\n emit TransferSingle(operator, address(0), to, id, amount);\n\n _afterTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);\n }\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function _mintBatch(\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n require(to != address(0), \"ERC1155: mint to the zero address\");\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n\n address operator = _msgSender();\n\n _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n for (uint256 i = 0; i < ids.length; i++) {\n _balances[ids[i]][to] += amounts[i];\n }\n\n emit TransferBatch(operator, address(0), to, ids, amounts);\n\n _afterTokenTransfer(operator, address(0), to, ids, amounts, data);\n\n _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);\n }\n\n /**\n * @dev Destroys `amount` tokens of token type `id` from `from`\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `from` must have at least `amount` tokens of token type `id`.\n */\n function _burn(\n address from,\n uint256 id,\n uint256 amount\n ) internal virtual {\n require(from != address(0), \"ERC1155: burn from the zero address\");\n\n address operator = _msgSender();\n uint256[] memory ids = _asSingletonArray(id);\n uint256[] memory amounts = _asSingletonArray(amount);\n\n _beforeTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n\n uint256 fromBalance = _balances[id][from];\n require(fromBalance >= amount, \"ERC1155: burn amount exceeds balance\");\n unchecked {\n _balances[id][from] = fromBalance - amount;\n }\n\n emit TransferSingle(operator, from, address(0), id, amount);\n\n _afterTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n }\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n */\n function _burnBatch(\n address from,\n uint256[] memory ids,\n uint256[] memory amounts\n ) internal virtual {\n require(from != address(0), \"ERC1155: burn from the zero address\");\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n\n address operator = _msgSender();\n\n _beforeTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n\n for (uint256 i = 0; i < ids.length; i++) {\n uint256 id = ids[i];\n uint256 amount = amounts[i];\n\n uint256 fromBalance = _balances[id][from];\n require(fromBalance >= amount, \"ERC1155: burn amount exceeds balance\");\n unchecked {\n _balances[id][from] = fromBalance - amount;\n }\n }\n\n emit TransferBatch(operator, from, address(0), ids, amounts);\n\n _afterTokenTransfer(operator, from, address(0), ids, amounts, \"\");\n }\n\n /**\n * @dev Approve `operator` to operate on all of `owner` tokens\n *\n * Emits an {ApprovalForAll} event.\n */\n function _setApprovalForAll(\n address owner,\n address operator,\n bool approved\n ) internal virtual {\n require(owner != operator, \"ERC1155: setting approval status for self\");\n _operatorApprovals[owner][operator] = approved;\n emit ApprovalForAll(owner, operator, approved);\n }\n\n /**\n * @dev Hook that is called before any token transfer. This includes minting\n * and burning, as well as batched variants.\n *\n * The same hook is called on both single and batched variants. For single\n * transfers, the length of the `ids` and `amounts` arrays will be 1.\n *\n * Calling conditions (for each `id` and `amount` pair):\n *\n * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * of token type `id` will be transferred to `to`.\n * - When `from` is zero, `amount` tokens of token type `id` will be minted\n * for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`\n * will be burned.\n * - `from` and `to` are never both zero.\n * - `ids` and `amounts` have the same, non-zero length.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any token transfer. This includes minting\n * and burning, as well as batched variants.\n *\n * The same hook is called on both single and batched variants. For single\n * transfers, the length of the `id` and `amount` arrays will be 1.\n *\n * Calling conditions (for each `id` and `amount` pair):\n *\n * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * of token type `id` will be transferred to `to`.\n * - When `from` is zero, `amount` tokens of token type `id` will be minted\n * for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`\n * will be burned.\n * - `from` and `to` are never both zero.\n * - `ids` and `amounts` have the same, non-zero length.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n\n function _doSafeTransferAcceptanceCheck(\n address operator,\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) private {\n if (to.isContract()) {\n try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {\n if (response != IERC1155Receiver.onERC1155Received.selector) {\n revert(\"ERC1155: ERC1155Receiver rejected tokens\");\n }\n } catch Error(string memory reason) {\n revert(reason);\n } catch {\n revert(\"ERC1155: transfer to non-ERC1155Receiver implementer\");\n }\n }\n }\n\n function _doSafeBatchTransferAcceptanceCheck(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) private {\n if (to.isContract()) {\n try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (\n bytes4 response\n ) {\n if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {\n revert(\"ERC1155: ERC1155Receiver rejected tokens\");\n }\n } catch Error(string memory reason) {\n revert(reason);\n } catch {\n revert(\"ERC1155: transfer to non-ERC1155Receiver implementer\");\n }\n }\n }\n\n function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {\n uint256[] memory array = new uint256[](1);\n array[0] = element;\n\n return array;\n }\n}\n"
},
"@openzeppelin/contracts/access/Ownable.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor() {\n _transferOwnership(_msgSender());\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n _checkOwner();\n _;\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view virtual returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if the sender is not the owner.\n */\n function _checkOwner() internal view virtual {\n require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n _transferOwnership(address(0));\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Internal function without access restriction.\n */\n function _transferOwnership(address newOwner) internal virtual {\n address oldOwner = _owner;\n _owner = newOwner;\n emit OwnershipTransferred(oldOwner, newOwner);\n }\n}\n"
},
"@openzeppelin/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20Metadata is IERC20 {\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"
},
"@openzeppelin/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n}\n"
},
"@openzeppelin/contracts/utils/introspection/ERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n /**\n * @dev See {IERC165-supportsInterface}.\n */\n function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n return interfaceId == type(IERC165).interfaceId;\n }\n}\n"
},
"@openzeppelin/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check isContract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(isContract(target), \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC1155.sol\";\n\n/**\n * @dev Interface of the optional ERC1155MetadataExtension interface, as defined\n * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155MetadataURI is IERC1155 {\n /**\n * @dev Returns the URI for token type `id`.\n *\n * If the `\\{id\\}` substring is present in the URI, it must be replaced by\n * clients with the actual token type ID.\n */\n function uri(uint256 id) external view returns (string memory);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev _Available since v3.1._\n */\ninterface IERC1155Receiver is IERC165 {\n /**\n * @dev Handles the receipt of a single ERC1155 token type. This function is\n * called at the end of a `safeTransferFrom` after the balance has been updated.\n *\n * NOTE: To accept the transfer, this must return\n * `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n * (i.e. 0xf23a6e61, or its own function selector).\n *\n * @param operator The address which initiated the transfer (i.e. msg.sender)\n * @param from The address which previously owned the token\n * @param id The ID of the token being transferred\n * @param value The amount of tokens being transferred\n * @param data Additional data with no specified format\n * @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n */\n function onERC1155Received(\n address operator,\n address from,\n uint256 id,\n uint256 value,\n bytes calldata data\n ) external returns (bytes4);\n\n /**\n * @dev Handles the receipt of a multiple ERC1155 token types. This function\n * is called at the end of a `safeBatchTransferFrom` after the balances have\n * been updated.\n *\n * NOTE: To accept the transfer(s), this must return\n * `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n * (i.e. 0xbc197c81, or its own function selector).\n *\n * @param operator The address which initiated the batch transfer (i.e. msg.sender)\n * @param from The address which previously owned the token\n * @param ids An array containing ids of each token being transferred (order and length must match values array)\n * @param values An array containing amounts of each token being transferred (order and length must match ids array)\n * @param data Additional data with no specified format\n * @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n */\n function onERC1155BatchReceived(\n address operator,\n address from,\n uint256[] calldata ids,\n uint256[] calldata values,\n bytes calldata data\n ) external returns (bytes4);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n * - `from` must have a balance of tokens of type `id` of at least `amount`.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n * acceptance magic value.\n */\n function safeTransferFrom(\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n *\n * Emits a {TransferBatch} event.\n *\n * Requirements:\n *\n * - `ids` and `amounts` must have the same length.\n * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n * acceptance magic value.\n */\n function safeBatchTransferFrom(\n address from,\n address to,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) external;\n}\n"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
}
} |