Overview
ETH Balance
0 ETH
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$0.00More Info
Private Name Tags
ContractCreator
TokenTracker
Latest 25 from a total of 189 transactions
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Buy | 20738193 | 45 days ago | IN | 0 ETH | 0.00024095 | ||||
Buy | 20733306 | 46 days ago | IN | 0 ETH | 0.00030066 | ||||
Gifting | 17275691 | 530 days ago | IN | 0 ETH | 0.00516253 | ||||
Gifting | 17275686 | 530 days ago | IN | 0 ETH | 0.00531587 | ||||
Gifting | 17275630 | 530 days ago | IN | 0 ETH | 0.00539403 | ||||
Gifting | 17275591 | 530 days ago | IN | 0 ETH | 0.00535784 | ||||
Buy | 16795404 | 598 days ago | IN | 0 ETH | 0.00357559 | ||||
Buy | 16685458 | 614 days ago | IN | 0 ETH | 0.02807106 | ||||
Gifting | 16684196 | 614 days ago | IN | 0 ETH | 0.00294314 | ||||
Buy | 16683426 | 614 days ago | IN | 0 ETH | 0.00310844 | ||||
Buy | 16516157 | 637 days ago | IN | 0 ETH | 0.00161474 | ||||
Buy | 16413062 | 652 days ago | IN | 0 ETH | 0.00366542 | ||||
Buy | 16321387 | 664 days ago | IN | 0 ETH | 0.00221501 | ||||
Buy | 16301354 | 667 days ago | IN | 0 ETH | 0.00184251 | ||||
Buy | 16210536 | 680 days ago | IN | 0 ETH | 0.00259306 | ||||
Buy | 16195943 | 682 days ago | IN | 0 ETH | 0.00140396 | ||||
Buy | 16170903 | 685 days ago | IN | 0 ETH | 0.00211129 | ||||
Buy | 16170581 | 685 days ago | IN | 0 ETH | 0.00183705 | ||||
Buy | 16170290 | 686 days ago | IN | 0 ETH | 0.00308733 | ||||
Buy | 16130556 | 691 days ago | IN | 0 ETH | 0.00150086 | ||||
Buy | 16122773 | 692 days ago | IN | 0 ETH | 0.00189526 | ||||
Buy | 16122069 | 692 days ago | IN | 0 ETH | 0.00144825 | ||||
Buy | 16122061 | 692 days ago | IN | 0 ETH | 0.00140721 | ||||
Buy | 16095233 | 696 days ago | IN | 0 ETH | 0.00119203 | ||||
Buy | 16065424 | 700 days ago | IN | 0 ETH | 0.00107643 |
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Contract Name:
HighstreetAssetsMarketplace
Compiler Version
v0.8.9+commit.e5eed63a
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/Context.sol"; import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/security/Pausable.sol"; import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "./HighstreetAssets.sol"; import "./utils/PriceConverter.sol"; /** @title The primary marketplace contract of Highstreet assets */ contract HighstreetAssetsMarketplace is Context, Ownable, ReentrancyGuard, Pausable, PriceConverter { uint8 public constant CONST_EXCHANGE_RATE_DECIMAL = 18; HighstreetAssets public immutable assets; IERC20 public immutable high; address public immutable highUsdPriceFeed; address public immutable ethUsdPriceFeed; address payable private _platfomReceiver; enum InputType { PRICE, MAX, TOTAL, RESTRICT, RESET, START, END, COOLDOWN } struct Item { uint256 price; uint64 startTime; uint64 endTime; uint32 count; uint32 maxCanSell; uint32 maxSupply; uint16 restriction; uint16 coolDownTime; } struct ItemDisplay { uint256 id; uint256 price; uint64 startTime; uint64 endTime; uint32 count; uint32 maxCanSell; uint32 maxSupply; uint16 restriction; uint16 coolDownTime; } struct CoolDownTimeDisplay { uint256 id; uint256 coolDownTime; } uint256 [] public idList; mapping(uint256 => Item) public saleList; mapping(address => mapping(uint256 => uint256)) public coolDownTimer; event TransferReceiver(address indexed sender, address indexed newReciever); event Update(uint256 indexed id, InputType inputType, uint256 data); event Add(uint256 indexed id, Item item); event Received(address indexed from, uint256 amount); event Deal(address indexed buyer, address indexed receiver, uint256[] ids, uint256[] amounts, bool isPaidByEth, uint256 price); /** * @dev constructor function */ constructor ( address assets_, address receiver_, address high_, address highUsdPriceFeed_, address ethUsdPriceFeed_ ) { require(assets_ != address(0), "invalid assets address"); require(receiver_ != address(0), "invalid receiver address"); require(high_ != address(0), "invalid high address"); require(highUsdPriceFeed_ != address(0), "invalid high aggregator address"); require(ethUsdPriceFeed_ != address(0), "invalid eth aggregator address"); assets = HighstreetAssets(assets_); high = IERC20(high_); highUsdPriceFeed = highUsdPriceFeed_; ethUsdPriceFeed = ethUsdPriceFeed_; transferReceiver(receiver_); } function name() public view virtual returns (string memory) { return "Highstreet Assets Marketplace"; } /** * @notice Transfer the receiver to new address * * @dev update the payment receiver, can refer to buy function for more detail * @param receiver_ new receiver address */ function transferReceiver(address receiver_) public virtual onlyOwner { require(receiver_ != address(0), "invalid receiver address"); _platfomReceiver = payable(receiver_); emit TransferReceiver(_msgSender(), receiver_); } /** * @notice Add new assets item to the marketplace * * @dev this function will also set the maximum supply in HighstreetAssets contract * @param id_ a number of id expected to create * @param item_ the speify token specification, more detail can refer to Item struct */ function addItem(uint256 id_, Item memory item_) external onlyOwner { require(assets.minters(address(this)), "don't have minter role"); require(saleList[id_].price == 0, "id have already in the list"); require(item_.price > 0, "invalid price"); saleList[id_] = item_; assets.setMaxSupply(id_, uint256(item_.maxSupply)); idList.push(id_); emit Add(id_, item_); } /** * @notice Update the token specification based on the type and data * * @dev should be very careful about the RESET InputType, will clear the existing count * @param id_ a number of id expected to update * @param type_ specify the which type of specification * @param data_ the new value to be updated */ function updateItem(uint256 id_, InputType type_, uint256 data_) external onlyOwner { require(saleList[id_].price != 0, "id isn't existing"); // setup price if(type_ == InputType.PRICE) { require(data_ != 0, "invalid price"); saleList[id_].price = data_; } //reset count if (type_ == InputType.RESET) { saleList[id_].count = 0; } //update max supply if (type_ == InputType.MAX) { saleList[id_].maxCanSell = uint32(data_); } else if (type_ == InputType.TOTAL) { saleList[id_].maxSupply = uint32(data_); assets.setMaxSupply(id_, uint256(data_)); } else if (type_ == InputType.RESTRICT) { saleList[id_].restriction = uint16(data_); } //update time if (type_ == InputType.START) { saleList[id_].startTime = uint64(data_); } else if (type_ == InputType.END) { saleList[id_].endTime = uint64(data_); } else if (type_ == InputType.COOLDOWN) { saleList[id_].coolDownTime = uint16(data_); } emit Update(id_, type_, data_); } /** * @notice Receive the payment and mint the corresponding amount of token to the sender * * @dev the function supports both HIGH and ETH * @dev if msg.value is not zero will recognize ETH as payment currency * * @param ids_ array of ids to buy * @param amounts_ array of amounts of tokens to buy per id */ function buy(uint256[] memory ids_, uint256[] memory amounts_) external payable virtual nonReentrant whenNotPaused { _deal(ids_, amounts_, _msgSender()); } /** * @notice Receive the payment and mint the corresponding amount of token to the receiver * * @dev the function supports both HIGH and ETH * @dev if msg.value is not zero will recognize ETH as payment currency * * @param ids_ array of ids to buy * @param amounts_ array of amounts of tokens to buy per id * @param receiver_ an address to receive nft */ function gifting(uint256[] memory ids_, uint256[] memory amounts_, address receiver_) external payable virtual nonReentrant whenNotPaused { _deal(ids_, amounts_, receiver_); } /** * @notice Internal function */ function _deal(uint256[] memory ids_, uint256[] memory amounts_, address receiver_) internal virtual { uint256 eth = msg.value; uint256 allowance = high.allowance(_msgSender(), address(this)); require(eth != 0 || allowance != 0, "payment fail"); bool isPaidByEth = eth != 0; uint256 totalPrice; uint256 priceInEth; for (uint256 i = 0; i < ids_.length; ++i) { uint256 id = ids_[i]; uint256 amount = amounts_[i]; Item memory item = saleList[id]; require(item.price > 0, "id isn't existing"); require(block.timestamp >= item.startTime, "sale haven't begin"); require(item.endTime == 0 || block.timestamp <= item.endTime, "sale is closed"); require(item.count + amount <= item.maxCanSell, "exceed max amount"); if(item.restriction != 0) { require(amount <= item.restriction , "exceed max per buy"); uint256 lastTime = coolDownTimer[_msgSender()][id]; if( lastTime != 0) { require(block.timestamp - lastTime > item.coolDownTime, "waiting cool down"); } coolDownTimer[_msgSender()][id] = block.timestamp; } totalPrice += item.price * amount; } if(isPaidByEth) { priceInEth = exchangeToETH(totalPrice); require(eth >= priceInEth, "not enough ether"); uint256 reimburse = eth - priceInEth; Address.sendValue(payable(_platfomReceiver), priceInEth); Address.sendValue(payable(_msgSender()), reimburse); } else { SafeERC20.safeTransferFrom(high, _msgSender(), _platfomReceiver, totalPrice); } for (uint256 i = 0; i < ids_.length; ++i) { uint256 id = ids_[i]; uint256 amount = amounts_[i]; assets.mint( receiver_, id, amount, ""); saleList[id].count += uint32(amount); } emit Deal(_msgSender(), receiver_, ids_, amounts_, isPaidByEth, isPaidByEth ? priceInEth : totalPrice); } /** * @notice Exchange the price from HIGH to ETH * * @param value the amount of HIGH token */ function exchangeToETH(uint256 value) public view virtual returns (uint256) { int256 rate = getDerivedPrice(highUsdPriceFeed, ethUsdPriceFeed, CONST_EXCHANGE_RATE_DECIMAL); require(rate > 0, "invalid exchange rate"); return value * uint256(rate) / 10 ** uint256(CONST_EXCHANGE_RATE_DECIMAL); } /** * @notice Get the exist item information in batch * * @return An array contains the information of all assets items */ function getItemInfo() external view virtual returns (ItemDisplay[] memory) { ItemDisplay[] memory info = new ItemDisplay[](idList.length); for (uint256 i = 0; i < idList.length; ++i) { uint256 id = idList[i]; info[i].id = id; info[i].price = saleList[id].price; info[i].startTime = saleList[id].startTime; info[i].endTime = saleList[id].endTime; info[i].count = saleList[id].count; info[i].restriction = saleList[id].restriction; info[i].maxCanSell = saleList[id].maxCanSell; info[i].maxSupply = saleList[id].maxSupply; info[i].coolDownTime = saleList[id].coolDownTime; } return info; } /** * @notice Get user's cool dowm time information in batch * * @return An array contains all informations */ function getCoolDownInfo(address user_) external view virtual returns (CoolDownTimeDisplay[] memory) { CoolDownTimeDisplay[] memory info = new CoolDownTimeDisplay[](idList.length); for (uint256 i = 0; i < idList.length; ++i) { uint256 id = idList[i]; info[i].id = id; info[i].coolDownTime = coolDownTimer[user_][id] + saleList[id].coolDownTime; } return info; } function pause() external virtual onlyOwner { _pause(); } function unpause() external virtual onlyOwner { _unpause(); } /** * @dev The Ether received will be logged with {Received} events. Note that these events are not fully * reliable: it's possible for a contract to receive Ether without triggering this function. */ receive() external payable virtual { emit Received(_msgSender(), msg.value); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface AggregatorV3Interface { function decimals() external view returns (uint8); function description() external view returns (string memory); function version() external view returns (uint256); // getRoundData and latestRoundData should both raise "No data present" // if they do not have data to report, instead of returning unset values // which could be misinterpreted as actual reported values. function getRoundData(uint80 _roundId) external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); function latestRoundData() external view returns ( uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound ); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract Pausable is Context { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ constructor() { _paused = false; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { require(!paused(), "Pausable: paused"); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { require(paused(), "Pausable: not paused"); _; } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC1155/ERC1155.sol) pragma solidity ^0.8.0; import "./IERC1155.sol"; import "./IERC1155Receiver.sol"; import "./extensions/IERC1155MetadataURI.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the basic standard multi-token. * See https://eips.ethereum.org/EIPS/eip-1155 * Originally based on code by Enjin: https://github.com/enjin/erc-1155 * * _Available since v3.1._ */ contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI { using Address for address; // Mapping from token ID to account balances mapping(uint256 => mapping(address => uint256)) private _balances; // Mapping from account to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json string private _uri; /** * @dev See {_setURI}. */ constructor(string memory uri_) { _setURI(uri_); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC1155).interfaceId || interfaceId == type(IERC1155MetadataURI).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC1155MetadataURI-uri}. * * This implementation returns the same URI for *all* token types. It relies * on the token type ID substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * Clients calling this function must replace the `\{id\}` substring with the * actual token type ID. */ function uri(uint256) public view virtual override returns (string memory) { return _uri; } /** * @dev See {IERC1155-balanceOf}. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) public view virtual override returns (uint256) { require(account != address(0), "ERC1155: balance query for the zero address"); return _balances[id][account]; } /** * @dev See {IERC1155-balanceOfBatch}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] memory accounts, uint256[] memory ids) public view virtual override returns (uint256[] memory) { require(accounts.length == ids.length, "ERC1155: accounts and ids 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; } /** * @dev See {IERC1155-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC1155-isApprovedForAll}. */ function isApprovedForAll(address account, address operator) public view virtual override returns (bool) { return _operatorApprovals[account][operator]; } /** * @dev See {IERC1155-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) public virtual override { require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "ERC1155: caller is not owner nor approved" ); _safeTransferFrom(from, to, id, amount, data); } /** * @dev See {IERC1155-safeBatchTransferFrom}. */ function safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) public virtual override { require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "ERC1155: transfer caller is not owner nor approved" ); _safeBatchTransferFrom(from, to, ids, amounts, data); } /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function _safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: transfer to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; emit TransferSingle(operator, from, to, id, amount); _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function _safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); require(to != address(0), "ERC1155: transfer to the zero address"); address operator = _msgSender(); _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 = _balances[id][from]; require(fromBalance >= amount, "ERC1155: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; } emit TransferBatch(operator, from, to, ids, amounts); _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data); } /** * @dev Sets a new URI for all token types, by relying on the token type ID * substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * By this mechanism, any occurrence of the `\{id\}` substring in either the * URI or any of the amounts in the JSON file at said URI will be replaced by * clients with the token type ID. * * For example, the `https://token-cdn-domain/\{id\}.json` URI would be * interpreted by clients as * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json` * for token type ID 0x4cce0. * * See {uri}. * * Because these URIs cannot be meaningfully represented by the {URI} event, * this function emits no events. */ function _setURI(string memory newuri) internal virtual { _uri = newuri; } /** * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function _mint( address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: mint to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), to, _asSingletonArray(id), _asSingletonArray(amount), data); _balances[id][to] += amount; emit TransferSingle(operator, address(0), to, id, amount); _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function _mintBatch( address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: mint to the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), to, ids, amounts, data); for (uint256 i = 0; i < ids.length; i++) { _balances[ids[i]][to] += amounts[i]; } emit TransferBatch(operator, address(0), to, ids, amounts); _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data); } /** * @dev Destroys `amount` tokens of token type `id` from `from` * * Requirements: * * - `from` cannot be the zero address. * - `from` must have at least `amount` tokens of token type `id`. */ function _burn( address from, uint256 id, uint256 amount ) internal virtual { require(from != address(0), "ERC1155: burn from the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, address(0), _asSingletonArray(id), _asSingletonArray(amount), ""); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } emit TransferSingle(operator, from, address(0), id, amount); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}. * * Requirements: * * - `ids` and `amounts` must have the same length. */ function _burnBatch( address from, uint256[] memory ids, uint256[] memory amounts ) internal virtual { require(from != address(0), "ERC1155: burn from the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _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 = _balances[id][from]; require(fromBalance >= amount, "ERC1155: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } } emit TransferBatch(operator, from, address(0), ids, amounts); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC1155: setting approval status for self"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Hook that is called before any token transfer. This includes minting * and burning, as well as batched variants. * * The same hook is called on both single and batched variants. For single * transfers, the length of the `id` and `amount` arrays will be 1. * * Calling conditions (for each `id` and `amount` pair): * * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens * of token type `id` will be transferred to `to`. * - When `from` is zero, `amount` tokens of token type `id` will be minted * for `to`. * - when `to` is zero, `amount` of ``from``'s tokens of token type `id` * will be burned. * - `from` and `to` are never both zero. * - `ids` and `amounts` have the same, non-zero length. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ 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.isContract()) { try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) { if (response != IERC1155Receiver.onERC1155Received.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _doSafeBatchTransferAcceptanceCheck( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns ( bytes4 response ) { if (response != IERC1155Receiver.onERC1155BatchReceived.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } 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 (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; import "../../utils/introspection/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 (token/ERC1155/extensions/ERC1155Burnable.sol) pragma solidity ^0.8.0; import "../ERC1155.sol"; /** * @dev Extension of {ERC1155} that allows token holders to destroy both their * own tokens and those that they have been approved to use. * * _Available since v3.1._ */ abstract contract ERC1155Burnable is ERC1155 { function burn( address account, uint256 id, uint256 value ) public virtual { require( account == _msgSender() || isApprovedForAll(account, _msgSender()), "ERC1155: caller is not owner nor approved" ); _burn(account, id, value); } function burnBatch( address account, uint256[] memory ids, uint256[] memory values ) public virtual { require( account == _msgSender() || isApprovedForAll(account, _msgSender()), "ERC1155: caller is not owner nor approved" ); _burnBatch(account, ids, values); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/ERC1155Supply.sol) pragma solidity ^0.8.0; import "../ERC1155.sol"; /** * @dev Extension of ERC1155 that adds tracking of total supply per id. * * Useful for scenarios where Fungible and Non-fungible tokens have to be * clearly identified. Note: While a totalSupply of 1 might mean the * corresponding is an NFT, there is no guarantees that no other token with the * same id are not going to be minted. */ abstract contract ERC1155Supply is ERC1155 { mapping(uint256 => uint256) private _totalSupply; /** * @dev Total amount of tokens in with a given id. */ function totalSupply(uint256 id) public view virtual returns (uint256) { return _totalSupply[id]; } /** * @dev Indicates whether any token exist with a given id, or not. */ function exists(uint256 id) public view virtual returns (bool) { return ERC1155Supply.totalSupply(id) > 0; } /** * @dev See {ERC1155-_beforeTokenTransfer}. */ 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 // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol) pragma solidity ^0.8.0; import "../IERC1155.sol"; /** * @dev Interface of the optional ERC1155MetadataExtension interface, as defined * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP]. * * _Available since v3.1._ */ interface IERC1155MetadataURI is IERC1155 { /** * @dev Returns the URI for token type `id`. * * If the `\{id\}` substring is present in the URI, it must be replaced by * clients with the actual token type ID. */ function uri(uint256 id) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../../../utils/Address.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 Address 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) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Supply.sol"; import "@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Burnable.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/Context.sol"; import "./utils/MinterAccessControl.sol"; /** @title The ERC1155 contract of Highstreet Asset */ contract HighstreetAssets is Context, ERC1155Burnable, ERC1155Supply, Ownable, MinterAccessControl { using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; /// @dev a string of base uri for this nft string private _baseUri; mapping(uint256 => uint256) private _maxSupply; event SetMaxSupply(uint256 indexed id, uint256 amount); /** * @dev Fired in updateBaseUri() * * @param sender an address which performed an operation, usually contract owner * @param uri a stringof base uri for this nft */ event UpdateBaseUri(address indexed sender, string uri); constructor(string memory name_, string memory symbol_, string memory url_) ERC1155(url_) { _name = name_; _symbol = symbol_; _baseUri = url_; } function name() public view virtual returns (string memory) { return _name; } function symbol() public view virtual returns (string memory) { return _symbol; } function decimals() public view virtual returns (uint8) { return 0; } /** * @notice Creates `amount` tokens of token type `id`, and assigns them to `to`. * * @dev this function can only be called by minter * * @param to_ an address which received nft * @param id_ a number of id expected to mint * @param amount_ a number of amount of token be minted */ function mint( address to_, uint256 id_, uint256 amount_, bytes memory data_ ) public virtual onlyMinter { _mint(to_, id_, amount_, data_); } /** * @notice Creates `amount` tokens of token type `id`, and assigns them to `to`. * * @dev this function can only be called by minter * @dev `ids` and `amounts` must have the same length. * * @param to_ an address which received nft * @param ids_ a number of id expected to mint * @param amounts_ a number of amount of token be minted */ function mintBatch( address to_, uint256[] memory ids_, uint256[] memory amounts_, bytes memory data_ ) public virtual onlyMinter { _mintBatch(to_, ids_, amounts_, data_); } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * @dev Additionally to the parent smart contract, restrict this contract can not be receiver. */ function _beforeTokenTransfer( address operator_, address from_, address to_, uint256[] memory ids_, uint256[] memory amounts_, bytes memory data_ ) internal virtual override(ERC1155, ERC1155Supply) { require(to_ != address(this), "this contract cannot be receiver"); if (from_ == address(0)) { for (uint256 i = 0; i < ids_.length; ++i) { uint256 id = ids_[i]; if(isLimited(id)) { require(totalSupply(id) + amounts_[i] <= maxSupply(id), "exceed max amount"); } } } super._beforeTokenTransfer(operator_, from_, to_, ids_, amounts_, data_); } /** * @notice Check whether the token id has maximum supply or not. * * @param id_ a number of id expected to check * @return the boolean result */ function isLimited(uint256 id_) public view virtual returns (bool) { return _maxSupply[id_] > 0; } /** * @notice Query the maximum supply of specified token id * * @param id_ a number of id expected to check * @return the value of maximum supply */ function maxSupply(uint256 id_) public view virtual returns (uint256) { return _maxSupply[id_]; } /** * @notice Set the maximum supply of specified token id * * @dev this function can only be called by minter * @param id_ a number of id expected to set * @param amount_ the amount of maximum supply */ function setMaxSupply(uint256 id_, uint256 amount_) external virtual onlyMinter { require(amount_ >= totalSupply(id_), "invalid amount"); _maxSupply[id_] = amount_; emit SetMaxSupply(id_, amount_); } /** * @dev See {IERC1155MetadataURI-uri}. * @dev Additionally to the parent smart contract, return string of uri based on id */ function uri(uint256 id_) public view virtual override returns (string memory) { require(exists(id_), "URI query for nonexistent token"); return bytes(_baseUri).length > 0 ? string(abi.encodePacked(_baseUri, id_.toString())) : ""; } /** * @notice Service function to update base uri * * @dev this function can only be called by owner * * @param uri_ a string for updating base uri */ function updateBaseUri(string memory uri_) public virtual onlyOwner { _baseUri = uri_; emit UpdateBaseUri(_msgSender(), uri_); } /** * @dev See {MinterAccessControl-_grantMinterRole}. * */ function grantMinterRole(address addr_) external virtual onlyOwner { super._grantMinterRole(addr_); } /** * @dev See {MinterAccessControl-_revokeMinterRole}. * */ function revokeMinterRole(address addr_) external virtual onlyOwner { super._revokeMinterRole(addr_); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; abstract contract MinterAccessControl { /// @dev a list of minter role, and only minter can mint nft mapping(address => bool) public minters; /** * @dev Fired in grantMinterRole() * * @param sender an address which performed an operation, usually contract owner * @param account an address which is granted minter role */ event MinterRoleGranted(address indexed sender, address indexed account); /** * @dev Fired in revokeMinterRole() * * @param sender an address which performed an operation, usually contract owner * @param account an address which is revoked minter role */ event MinterRoleRevoked(address indexed sender, address indexed account); /** * @notice Service function to grant minter role * * @dev this function can only be called by owner * * @param addr_ an address which is granted minter role */ function _grantMinterRole(address addr_) internal virtual { require(addr_ != address(0), "invalid address"); minters[addr_] = true; emit MinterRoleGranted(msg.sender, addr_); } /** * @notice Service function to revoke minter role * * @dev this function can only be called by owner * * @param addr_ an address which is revorked minter role */ function _revokeMinterRole(address addr_) internal virtual { require(addr_ != address(0), "invalid address"); minters[addr_] = false; emit MinterRoleRevoked(msg.sender, addr_); } /** * @dev Modifier that checks that an account has a minter role. * */ modifier onlyMinter() { require(minters[msg.sender] == true, "permission denied"); _; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol"; contract PriceConverter { function getDerivedPrice(address _base, address _quote, uint8 _decimals) public view returns (int256) { require(_decimals > uint8(0) && _decimals <= uint8(18), "Invalid _decimals"); int256 decimals = int256(10 ** uint256(_decimals)); ( , int256 basePrice, , , ) = AggregatorV3Interface(_base).latestRoundData(); uint8 baseDecimals = AggregatorV3Interface(_base).decimals(); basePrice = scalePrice(basePrice, baseDecimals, _decimals); ( , int256 quotePrice, , , ) = AggregatorV3Interface(_quote).latestRoundData(); uint8 quoteDecimals = AggregatorV3Interface(_quote).decimals(); quotePrice = scalePrice(quotePrice, quoteDecimals, _decimals); return basePrice * decimals / quotePrice; } function scalePrice(int256 _price, uint8 _priceDecimals, uint8 _decimals) internal pure returns (int256) { if (_priceDecimals < _decimals) { return _price * int256(10 ** uint256(_decimals - _priceDecimals)); } else if (_priceDecimals > _decimals) { return _price / int256(10 ** uint256(_priceDecimals - _decimals)); } return _price; } }
{ "evmVersion": "london", "libraries": {}, "metadata": { "bytecodeHash": "ipfs", "useLiteralContent": true }, "optimizer": { "enabled": true, "runs": 99999 }, "remappings": [], "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
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[{"inputs":[{"internalType":"address","name":"assets_","type":"address"},{"internalType":"address","name":"receiver_","type":"address"},{"internalType":"address","name":"high_","type":"address"},{"internalType":"address","name":"highUsdPriceFeed_","type":"address"},{"internalType":"address","name":"ethUsdPriceFeed_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"components":[{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint64","name":"startTime","type":"uint64"},{"internalType":"uint64","name":"endTime","type":"uint64"},{"internalType":"uint32","name":"count","type":"uint32"},{"internalType":"uint32","name":"maxCanSell","type":"uint32"},{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint16","name":"restriction","type":"uint16"},{"internalType":"uint16","name":"coolDownTime","type":"uint16"}],"indexed":false,"internalType":"struct HighstreetAssetsMarketplace.Item","name":"item","type":"tuple"}],"name":"Add","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"buyer","type":"address"},{"indexed":true,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"indexed":false,"internalType":"bool","name":"isPaidByEth","type":"bool"},{"indexed":false,"internalType":"uint256","name":"price","type":"uint256"}],"name":"Deal","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Received","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":true,"internalType":"address","name":"newReciever","type":"address"}],"name":"TransferReceiver","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"enum HighstreetAssetsMarketplace.InputType","name":"inputType","type":"uint8"},{"indexed":false,"internalType":"uint256","name":"data","type":"uint256"}],"name":"Update","type":"event"},{"inputs":[],"name":"CONST_EXCHANGE_RATE_DECIMAL","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id_","type":"uint256"},{"components":[{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint64","name":"startTime","type":"uint64"},{"internalType":"uint64","name":"endTime","type":"uint64"},{"internalType":"uint32","name":"count","type":"uint32"},{"internalType":"uint32","name":"maxCanSell","type":"uint32"},{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint16","name":"restriction","type":"uint16"},{"internalType":"uint16","name":"coolDownTime","type":"uint16"}],"internalType":"struct HighstreetAssetsMarketplace.Item","name":"item_","type":"tuple"}],"name":"addItem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"assets","outputs":[{"internalType":"contract HighstreetAssets","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"ids_","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts_","type":"uint256[]"}],"name":"buy","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"coolDownTimer","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ethUsdPriceFeed","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"exchangeToETH","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user_","type":"address"}],"name":"getCoolDownInfo","outputs":[{"components":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"coolDownTime","type":"uint256"}],"internalType":"struct HighstreetAssetsMarketplace.CoolDownTimeDisplay[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_base","type":"address"},{"internalType":"address","name":"_quote","type":"address"},{"internalType":"uint8","name":"_decimals","type":"uint8"}],"name":"getDerivedPrice","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getItemInfo","outputs":[{"components":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint64","name":"startTime","type":"uint64"},{"internalType":"uint64","name":"endTime","type":"uint64"},{"internalType":"uint32","name":"count","type":"uint32"},{"internalType":"uint32","name":"maxCanSell","type":"uint32"},{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint16","name":"restriction","type":"uint16"},{"internalType":"uint16","name":"coolDownTime","type":"uint16"}],"internalType":"struct HighstreetAssetsMarketplace.ItemDisplay[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"ids_","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts_","type":"uint256[]"},{"internalType":"address","name":"receiver_","type":"address"}],"name":"gifting","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"high","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"highUsdPriceFeed","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"idList","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"saleList","outputs":[{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint64","name":"startTime","type":"uint64"},{"internalType":"uint64","name":"endTime","type":"uint64"},{"internalType":"uint32","name":"count","type":"uint32"},{"internalType":"uint32","name":"maxCanSell","type":"uint32"},{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint16","name":"restriction","type":"uint16"},{"internalType":"uint16","name":"coolDownTime","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver_","type":"address"}],"name":"transferReceiver","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id_","type":"uint256"},{"internalType":"enum HighstreetAssetsMarketplace.InputType","name":"type_","type":"uint8"},{"internalType":"uint256","name":"data_","type":"uint256"}],"name":"updateItem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000006aab8f32c35177e7b01b957c3a4e672fad924f76000000000000000000000000ac8973fcee131766cb0a077f730b28defbaf2e7900000000000000000000000071ab77b7dbb4fa7e017bc15090b2163221420282000000000000000000000000e2f95bc12fe8a3c35684be7586c39fd7c0e5b4030000000000000000000000005f4ec3df9cbd43714fe2740f5e3616155c5b8419
-----Decoded View---------------
Arg [0] : assets_ (address): 0x6aAB8F32C35177e7B01b957c3a4e672faD924f76
Arg [1] : receiver_ (address): 0xac8973FceE131766cB0a077F730b28DefBAf2e79
Arg [2] : high_ (address): 0x71Ab77b7dbB4fa7e017BC15090b2163221420282
Arg [3] : highUsdPriceFeed_ (address): 0xe2F95bC12FE8a3C35684Be7586C39fD7c0E5b403
Arg [4] : ethUsdPriceFeed_ (address): 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419
-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000006aab8f32c35177e7b01b957c3a4e672fad924f76
Arg [1] : 000000000000000000000000ac8973fcee131766cb0a077f730b28defbaf2e79
Arg [2] : 00000000000000000000000071ab77b7dbb4fa7e017bc15090b2163221420282
Arg [3] : 000000000000000000000000e2f95bc12fe8a3c35684be7586c39fd7c0e5b403
Arg [4] : 0000000000000000000000005f4ec3df9cbd43714fe2740f5e3616155c5b8419
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Multichain Portfolio | 30 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.