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{
  "language": "Solidity",
  "sources": {
    "contracts/libs/SettlementLib.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/// @author: manifold.xyz\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\nimport \"../IIdentityVerifier.sol\";\nimport \"../ILazyDelivery.sol\";\nimport \"../IPriceEngine.sol\";\n\nimport \"./MarketplaceLib.sol\";\nimport \"./TokenLib.sol\";\nimport \"./BidTreeLib.sol\";\n\n/**\n * @dev Marketplace settlement logic\n */\nlibrary SettlementLib {\n\n    using BidTreeLib for BidTreeLib.BidTree;\n\n    event Escrow(address indexed receiver, address erc20, uint256 amount);\n\n    /**\n     * Purchase logic\n     */\n    function performPurchase(address payable referrer, uint40 listingId, MarketplaceLib.Listing storage listing, uint24 count, mapping(address => uint256) storage feesCollected, bytes memory data) public {\n        require(listing.details.startTime <= block.timestamp, \"Listing has not started\");\n        require(listing.details.endTime > block.timestamp || listing.details.startTime == 0, \"Listing is expired\");\n\n        listing.totalSold += count*listing.details.totalPerSale;\n        require(listing.totalSold <= listing.details.totalAvailable, \"Not enough left\");\n\n        // If startTime is 0, start on first purchase\n        if (listing.details.startTime == 0) {\n            listing.details.startTime = uint48(block.timestamp);\n            listing.details.endTime += uint48(block.timestamp);\n        }\n\n        uint256 totalPrice = computeTotalPrice(listing, count, true);\n        if (listing.details.erc20 == address(0)) {\n          if (listing.details.type_ == MarketplaceLib.ListingType.DYNAMIC_PRICE) {\n              // For dynamic price auctions, price may have changed so allow for a mismatch of funds sent\n              receiveTokens(listing, msg.sender, totalPrice, true, false);\n          } else {\n              receiveTokens(listing, msg.sender, totalPrice, false, true);\n          }\n        } else {\n          require(msg.value == 0, \"Invalid amount\");\n        }\n        \n        // Identity verifier check\n        if (listing.details.identityVerifier != address(0)) {\n            require(IIdentityVerifier(listing.details.identityVerifier).verify(listingId, msg.sender, listing.token.address_, listing.token.id, count, totalPrice, listing.details.erc20, data), \"Permission denied\");\n        }\n\n        if (listing.token.lazy) {\n            // Lazy delivered\n            deliverTokenLazy(listingId, listing, msg.sender, count, totalPrice, 0);\n        } else {\n            // Single item\n            deliverToken(listing, msg.sender, count, totalPrice, false);\n        }\n\n        // Automatically finalize listing if all sold\n        if (listing.details.totalAvailable == listing.totalSold) {\n            listing.flags |= MarketplaceLib.FLAG_MASK_FINALIZED;\n        }\n\n        // Pay seller\n        if (listing.details.erc20 == address(0)) {\n          _paySeller(listing, address(this), totalPrice, referrer, feesCollected);\n        } else {\n          _paySeller(listing, msg.sender, totalPrice, referrer, feesCollected);\n        }\n        \n        emit MarketplaceLib.PurchaseEvent(listingId, referrer, msg.sender, count, totalPrice);\n    }\n\n\n    /**\n     * Bid logic\n     */\n    function _preBidCheck(uint40 listingId, MarketplaceLib.Listing storage listing, uint256 bidAmount, bytes memory data) private {\n        require(listing.details.startTime <= block.timestamp, \"Listing has not started\");\n        require(listing.details.endTime > block.timestamp || listing.details.startTime == 0, \"Listing is expired\");\n\n        // If startTime is 0, start on first purchase\n        if (listing.details.startTime == 0) {\n            listing.details.startTime = uint48(block.timestamp);\n            listing.details.endTime += uint48(block.timestamp);\n        }\n\n        // Identity verifier check\n        if (listing.details.identityVerifier != address(0)) {\n            require(IIdentityVerifier(listing.details.identityVerifier).verify(listingId, msg.sender, listing.token.address_, listing.token.id, 1, bidAmount, listing.details.erc20, data), \"Permission denied\");\n        }\n    }\n\n    function _postBidExtension(MarketplaceLib.Listing storage listing) private {\n        if (listing.details.extensionInterval > 0 && listing.details.endTime <= (block.timestamp + listing.details.extensionInterval)) {\n             // Extend auction time if necessary\n             listing.details.endTime = uint48(block.timestamp) + listing.details.extensionInterval;\n        }    \n    }\n\n    function performBidIndividual(uint40 listingId, MarketplaceLib.Listing storage listing, uint256 bidAmount, address payable referrer, bool increase, mapping(address => mapping(address => uint256)) storage escrow, bytes memory data) public {\n        // Basic auction\n        _preBidCheck(listingId, listing, bidAmount, data);\n\n        address payable bidder = payable(msg.sender);\n        MarketplaceLib.Bid storage currentBid = listing.bid;\n        if ((listing.flags & MarketplaceLib.FLAG_MASK_HAS_BID) != 0) {\n            if (currentBid.bidder == bidder) {\n                // Bidder is the current high bidder\n                require(bidAmount > 0 && increase, \"Existing bid\");\n                receiveTokens(listing, bidder, bidAmount, false, true);\n                bidAmount += currentBid.amount;\n            } else {\n                // Bidder is not the current high bidder\n                // Check minimum bid requirements\n                require(bidAmount >= computeMinBid(listing.details.initialAmount, currentBid.amount, listing.details.minIncrementBPS), \"Minimum bid not met\");\n                receiveTokens(listing, bidder, bidAmount, false, true);\n                // Refund bid amount\n                refundTokens(listing.details.erc20, currentBid.bidder, currentBid.amount, escrow);\n            }\n        } else {\n            // Check minimum bid requirements\n            require(bidAmount >= listing.details.initialAmount, \"Invalid bid amount\");\n            receiveTokens(listing, bidder, bidAmount, false, true);\n            listing.flags |= MarketplaceLib.FLAG_MASK_HAS_BID;\n        }\n        // Update referrer if necessary\n        if (currentBid.referrer != referrer && listing.referrerBPS > 0) currentBid.referrer = referrer;\n        // Update bidder if necessary\n        if (currentBid.bidder != bidder) currentBid.bidder = bidder;\n        // Update amount\n        currentBid.amount = bidAmount;\n        emit MarketplaceLib.BidEvent(listingId, referrer, bidder, bidAmount);\n\n        _postBidExtension(listing);\n    }\n\n    function performBidRanked(uint40 listingId, MarketplaceLib.Listing storage listing, BidTreeLib.BidTree storage bidTree, uint256 bidAmount, bool increase, mapping(address => mapping(address => uint256)) storage escrow, bytes memory data) public {\n        // Ranked auction\n        _preBidCheck(listingId, listing, bidAmount, data);\n\n        address payable bidder = payable(msg.sender);\n        if ((listing.flags & MarketplaceLib.FLAG_MASK_HAS_BID) != 0 && bidTree.exists(bidder)) {\n            // Has already bid, this is a bid update\n            BidTreeLib.Bid storage currentBid = bidTree.getBid(bidder);\n            require(increase, \"Existing bid\");\n            receiveTokens(listing, bidder, bidAmount, false, true);\n            uint256 newBidAmount = currentBid.amount + bidAmount;\n            bidTree.remove(bidder);\n            bidTree.insert(bidder, newBidAmount, uint48(block.timestamp));\n            emit MarketplaceLib.BidEvent(listingId, address(0), bidder, newBidAmount);\n        } else {\n            // Has not yet bid\n            require(bidAmount >= listing.details.initialAmount, \"Invalid bid amount\");\n            if (bidTree.size == listing.details.totalAvailable) {\n                address payable lowestBidder = payable(bidTree.last());\n                BidTreeLib.Bid storage lowestBid = bidTree.getBid(lowestBidder);\n                // At max bids, so this bid must be greater than the lowest bid\n                require(bidAmount >= computeMinBid(listing.details.initialAmount, lowestBid.amount, listing.details.minIncrementBPS), \"Minimum bid not met\");\n                // Receive amount\n                receiveTokens(listing, bidder, bidAmount, false, true);\n                // Return lowest bid amount\n                refundTokens(listing.details.erc20, lowestBidder, lowestBid.amount, escrow);\n                bidTree.remove(lowestBidder);\n                bidTree.insert(bidder, bidAmount, uint48(block.timestamp));\n            } else {\n                // Receive amount\n                receiveTokens(listing, bidder, bidAmount, false, true);\n                // Still have bid slots left.\n                bidTree.insert(bidder, bidAmount, uint48(block.timestamp));\n                listing.flags |= MarketplaceLib.FLAG_MASK_HAS_BID;\n            }\n            emit MarketplaceLib.BidEvent(listingId, address(0), bidder, bidAmount);\n        }\n\n        _postBidExtension(listing);\n    }\n\n    /**\n     * Deliver tokens\n     */\n    function deliverToken(MarketplaceLib.Listing storage listing, address to, uint24 count, uint256 payableAmount, bool reverse) public {\n        // Check listing deliver fees if applicable\n        if (payableAmount > 0 && (listing.fees.deliverDeciBPS > 0)) {\n            uint256 deliveryFee = computeDeliverFee(listing, payableAmount);\n            receiveTokens(listing, msg.sender, deliveryFee, false, true);\n            // Pay out\n            distributeFees(listing, address(this), deliveryFee);\n        }\n        \n        if (listing.token.spec == TokenLib.Spec.ERC721) {\n            require(count == 1, \"Invalid amount\");\n            TokenLib._erc721Transfer(listing.token.address_, listing.token.id, address(this), to);\n        } else if (listing.token.spec == TokenLib.Spec.ERC1155) {\n            if (!reverse) {\n                TokenLib._erc1155Transfer(listing.token.address_, listing.token.id, listing.details.totalPerSale*count, address(this), to);\n            } else if (listing.details.totalAvailable > listing.totalSold) {\n                require(count == 1, \"Invalid amount\");\n                TokenLib._erc1155Transfer(listing.token.address_, listing.token.id, listing.details.totalAvailable-listing.totalSold, address(this), to);\n            }\n        } else {\n            revert(\"Unsupported token spec\");\n        }\n    }\n\n    /**\n     * Deliver lazy tokens\n     */\n    function deliverTokenLazy(uint40 listingId, MarketplaceLib.Listing storage listing, address to, uint24 count, uint256 payableAmount, uint256 index) public returns(uint256) {\n        // Check listing deliver fees if applicable\n        if (payableAmount > 0 && (listing.fees.deliverDeciBPS > 0)) {\n            // Receive tokens for fees\n            uint256 deliveryFee = computeDeliverFee(listing, payableAmount);\n            receiveTokens(listing, msg.sender, deliveryFee, false, true);\n            // Pay out\n            distributeFees(listing, address(this), deliveryFee);\n        }\n\n        // Call deliver (which can mint)\n        return ILazyDelivery(listing.token.address_).deliver(listingId, to, listing.token.id, count, payableAmount, listing.details.erc20, index);\n    }\n\n    /**\n     * Distribute fees\n     */\n    function distributeFees(MarketplaceLib.Listing storage listing, address source, uint256 amount) public {\n        sendTokens(listing.details.erc20, source, listing.fees.deliverAddress, amount);\n    }\n\n    /**\n     * Distribute proceeds\n     */\n    function distributeProceeds(MarketplaceLib.Listing storage listing, address source, uint256 amount) public {\n        if (listing.receivers.length > 0) {\n            uint256 totalSent;\n            uint256 receiverIndex;\n            for (receiverIndex = 0; receiverIndex < listing.receivers.length-1; receiverIndex++) {\n                uint256 receiverAmount = amount*listing.receivers[receiverIndex].receiverBPS/10000;\n                sendTokens(listing.details.erc20, source, listing.receivers[receiverIndex].receiver, receiverAmount);\n                totalSent += receiverAmount;\n            }\n            require(totalSent < amount, \"Settlement error\");\n            sendTokens(listing.details.erc20, source, listing.receivers[receiverIndex].receiver, amount-totalSent);\n        } else {\n            sendTokens(listing.details.erc20, source, listing.seller, amount);\n        }\n    }\n\n    /**\n     * Receive tokens.  Returns amount received.\n     */\n    function receiveTokens(MarketplaceLib.Listing storage listing, address source, uint256 amount, bool refundExcess, bool strict) public {\n        if (source == address(this)) return;\n\n        if (listing.details.erc20 == address(0)) {\n            if (strict) {\n                require(msg.value == amount, msg.value < amount ? \"Insufficient funds\" : \"Invalid amount\");\n            } else {\n                if (msg.value < amount) {\n                   revert(\"Insufficient funds\");\n                } else if (msg.value > amount && refundExcess) {\n                    // Refund excess\n                   (bool success, ) = payable(source).call{value:msg.value-amount}(\"\");\n                   require(success, \"Token send failure\");\n                }\n            }\n        } else {\n            require(msg.value == 0, \"Invalid amount\");\n            require(IERC20(listing.details.erc20).transferFrom(source, address(this), amount), \"Insufficient funds\");\n        }\n    }\n\n    /**\n     * Send proceeds to receiver\n     */\n    function sendTokens(address erc20, address source, address payable to, uint256 amount) public {\n        require(source != to, \"Invalid send request\");\n\n        if (erc20 == address(0)) {\n            (bool success,) = to.call{value:amount}(\"\");\n            require(success, \"Token send failure\");\n        } else {\n            if (source == address(this)) {\n                require(IERC20(erc20).transfer(to, amount), \"Insufficient funds\");\n            } else {\n                require(IERC20(erc20).transferFrom(source, to, amount), \"Insufficient funds\");\n            }\n        }\n    }\n\n    /**\n     * Refund tokens\n     */\n    function refundTokens(address erc20, address payable to, uint256 amount, mapping(address => mapping(address => uint256)) storage escrow) public {\n        if (erc20 == address(0)) {\n            // solhint-disable-next-line avoid-low-level-calls\n            (bool success, ) = to.call{value:amount, gas:20000}(\"\");\n            if (!success) {\n                escrow[to][erc20] += amount;\n                emit Escrow(to, erc20, amount);\n            }\n        } else {\n            try IERC20(erc20).transfer(to, amount) {\n            } catch {\n                escrow[to][erc20] += amount;\n                emit Escrow(to, erc20, amount);\n            }\n        }\n    }\n\n    /**\n     * Compute deliver fee\n     */\n    function computeDeliverFee(MarketplaceLib.Listing memory listing, uint256 price) public pure returns(uint256) {\n        return price*listing.fees.deliverDeciBPS/100000;\n    }\n\n    /**\n     * Compute current listing price\n     */\n    function computeListingPrice(MarketplaceLib.Listing storage listing, BidTreeLib.BidTree storage bidTree) public view returns(uint256 currentPrice) {\n        currentPrice = listing.details.initialAmount;\n        if (listing.details.type_ == MarketplaceLib.ListingType.DYNAMIC_PRICE) {\n            currentPrice = IPriceEngine(listing.token.address_).price(listing.token.id, listing.totalSold, 1);\n        } else {\n            if ((listing.flags & MarketplaceLib.FLAG_MASK_HAS_BID) != 0) {\n                if (listing.details.type_ == MarketplaceLib.ListingType.INDIVIDUAL_AUCTION) {\n                    currentPrice = computeMinBid(listing.details.initialAmount, listing.bid.amount, listing.details.minIncrementBPS);\n                } else if (listing.details.type_ == MarketplaceLib.ListingType.RANKED_AUCTION && bidTree.size == listing.details.totalAvailable) {\n                    currentPrice = computeMinBid(listing.details.initialAmount, bidTree.getBid(bidTree.last()).amount, listing.details.minIncrementBPS);\n                }\n            }\n        }\n        return currentPrice;\n    }\n\n    /**\n     * Compute total price for a <COUNT> of items to buy\n     */\n    function computeTotalPrice(MarketplaceLib.Listing storage listing, uint24 count, bool totalSoldIncreased) public view returns(uint256) {\n        if (listing.details.type_ != MarketplaceLib.ListingType.DYNAMIC_PRICE) {\n            return listing.details.initialAmount*count;\n        } else {\n            if (totalSoldIncreased) {\n                // If totalSold value was increased prior to call, need to reduce it in order to get the proper pricing\n                return IPriceEngine(listing.token.address_).price(listing.token.id, listing.totalSold-count*listing.details.totalPerSale, count);\n            } else {\n                return IPriceEngine(listing.token.address_).price(listing.token.id, listing.totalSold, count);\n            }\n        }\n    }\n\n    /**\n     * Get the min bid\n     */\n    function computeMinBid(uint256 baseAmount, uint256 currentAmount, uint16 minIncrementBPS) pure public returns (uint256) {\n        if (currentAmount == 0) {\n            return baseAmount;\n        }\n        if (minIncrementBPS == 0) {\n           return currentAmount+1;\n        }\n        uint256 incrementAmount = currentAmount*minIncrementBPS/10000;\n        if (incrementAmount == 0) incrementAmount = 1;\n        return currentAmount + incrementAmount;\n    }\n\n    /**\n     * Helper to settle bid, which pays seller\n     */\n    function settleBid(MarketplaceLib.Bid storage bid, MarketplaceLib.Listing storage listing, mapping(address => uint256) storage feesCollected) public {\n        settleBid(bid, listing, 0, feesCollected);\n    }\n\n    function settleBid(MarketplaceLib.Bid storage bid, MarketplaceLib.Listing storage listing, uint256 refundAmount, mapping(address => uint256) storage feesCollected) public {\n        require(!bid.refunded, \"Bid has been refunded\");\n        if (!bid.settled) {\n            bid.settled = true;\n            _paySeller(listing, address(this), bid.amount-refundAmount, bid.referrer, feesCollected);\n        }\n    }\n    function settleBid(BidTreeLib.Bid storage bid, MarketplaceLib.Listing storage listing, mapping(address => uint256) storage feesCollected) public {\n        settleBid(bid, listing, 0, feesCollected);\n    }\n\n    function settleBid(BidTreeLib.Bid storage bid, MarketplaceLib.Listing storage listing, uint256 refundAmount, mapping(address => uint256) storage feesCollected) public {\n        require(!bid.refunded, \"Bid has been refunded\");\n        if (!bid.settled) {\n            bid.settled = true;\n            _paySeller(listing, address(this), bid.amount-refundAmount, payable(address(0)), feesCollected);\n        }\n    }\n\n    /**\n     * Refund bid\n     */\n    function refundBid(address payable bidder, BidTreeLib.Bid storage bid, MarketplaceLib.Listing storage listing, uint256 holdbackBPS, mapping(address => mapping(address => uint256)) storage escrow) public {\n        require(!bid.settled, \"Cannot refund, already settled\");\n        if (!bid.refunded) {\n            bid.refunded = true;\n            _refundBid(bidder, bid.amount, listing, holdbackBPS, escrow);\n        }\n    }\n    function refundBid(MarketplaceLib.Bid storage bid, MarketplaceLib.Listing storage listing, uint256 holdbackBPS, mapping(address => mapping(address => uint256)) storage escrow) public {\n        require(!bid.settled, \"Cannot refund, already settled\");\n        if (!bid.refunded) {\n            bid.refunded = true;\n            _refundBid(bid.bidder, bid.amount, listing, holdbackBPS, escrow);\n        }\n    }\n    function _refundBid(address payable bidder, uint256 amount, MarketplaceLib.Listing storage listing, uint256 holdbackBPS, mapping(address => mapping(address => uint256)) storage escrow) private {\n        uint256 refundAmount = amount;\n\n        // Refund amount (less holdback)\n        if (holdbackBPS > 0) {\n            uint256 holdbackAmount = refundAmount*holdbackBPS/10000;\n            refundAmount -= holdbackAmount;\n            // Distribute holdback\n            distributeProceeds(listing, address(this), holdbackAmount);\n        }\n        // Refund bidder\n        refundTokens(listing.details.erc20, bidder, refundAmount, escrow);\n    }\n\n    /**\n     * Helper to pay seller given amount\n     */\n    function _paySeller(MarketplaceLib.Listing storage listing, address source, uint256 amount, address payable referrer, mapping(address => uint256) storage feesCollected) private {\n        uint256 sellerAmount = amount;\n        if (listing.marketplaceBPS > 0) {\n            uint256 marketplaceAmount = amount*listing.marketplaceBPS/10000;\n            sellerAmount -= marketplaceAmount;\n            receiveTokens(listing, source, marketplaceAmount, false, false);\n            feesCollected[listing.details.erc20] += marketplaceAmount;\n        }\n        if (listing.referrerBPS > 0 && referrer != address(0)) {\n            uint256 referrerAmount = amount*listing.referrerBPS/10000;\n            sellerAmount -= referrerAmount;\n            sendTokens(listing.details.erc20, source, referrer, referrerAmount);\n        }\n\n        distributeProceeds(listing, source, sellerAmount);\n    }\n\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\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 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 `recipient`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address recipient, 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 `sender` to `recipient` 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 sender,\n        address recipient,\n        uint256 amount\n    ) external returns (bool);\n\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"
    },
    "contracts/IIdentityVerifier.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/// @author: manifold.xyz\n\nimport \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\ninterface IIdentityVerifier is IERC165 {\n\n    /**\n     *  @dev Verify that the buyer can purchase/bid\n     *\n     *  @param listingId      The listingId associated with this verification\n     *  @param identity       The identity to verify\n     *  @param tokenAddress   The tokenAddress associated with this verification\n     *  @param tokenId        The tokenId associated with this verification\n     *  @param requestCount   The number of items being requested to purchase/bid\n     *  @param requestAmount  The amount being requested\n     *  @param requestERC20   The erc20 token address of the amount (0x0 if ETH)\n     *  @param data           Additional data needed to verify\n     *\n     */\n    function verify(uint40 listingId, address identity, address tokenAddress, uint256 tokenId, uint24 requestCount, uint256 requestAmount, address requestERC20, bytes calldata data) external returns (bool);\n\n}"
    },
    "contracts/ILazyDelivery.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/// @author: manifold.xyz\n\nimport \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\ninterface ILazyDelivery is IERC165 {\n\n    /**\n     *  @dev Deliver an asset and deliver to the specified party\n     *  When implementing this interface, please ensure you restrict access.\n     *  If using LazyDeliver.sol, you can use authorizedDelivererRequired modifier to restrict access. \n     *  Delivery can be for an existing asset or newly minted assets.\n     * \n     *  @param listingId      The listingId associated with this delivery.  Useful for permissioning.\n     *  @param to             The address to deliver the asset to\n     *  @param assetId        The assetId to deliver\n     *  @param payableCount   The number of assets to deliver\n     *  @param payableAmount  The amount seller will receive upon delivery of asset\n     *  @param payableERC20   The erc20 token address of the amount (0x0 if ETH)\n     *  @param index          (Optional): Index value for certain sales methods, such as ranked auctions\n     *\n     *  @return any Only used for Ranked Auctions and represents the refund amount you want to give.\n     *              Value is unused for all other listing types\n     *\n     *  Suggestion: If determining a refund amount based on total sales data, do not enable this function\n     *              until the sales data is finalized and recorded in contract\n     *\n     *  Exploit Prevention for dynamic/random assignment\n     *  1. Ensure attributes are not assigned until AFTER underlying mint if using _safeMint.\n     *     This is to ensure a receiver cannot check attribute values on receive and revert transaction.\n     *     However, even if this is the case, the recipient can wrap its mint in a contract that checks \n     *     post mint completion and reverts if unsuccessful.\n     *  2. Ensure that \"to\" is not a contract address. This prevents a contract from doing the lazy \n     *     mint, which could exploit random assignment by reverting if they do not receive the desired\n     *     item post mint.\n     */\n    function deliver(uint40 listingId, address to, uint256 assetId, uint24 payableCount, uint256 payableAmount, address payableERC20, uint256 index) external returns(uint256);\n\n}"
    },
    "contracts/IPriceEngine.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/// @author: manifold.xyz\n\nimport \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\ninterface IPriceEngine is IERC165 {\n\n    /**\n     *  @dev Determine price of an asset given the number\n     *  already minted.\n     */\n    function price(uint256 assetId, uint256 alreadyMinted, uint24 count) view external returns (uint256);\n\n}"
    },
    "contracts/libs/MarketplaceLib.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/// @author: manifold.xyz\n\nimport \"@openzeppelin/contracts/token/ERC721/IERC721.sol\";\nimport \"@openzeppelin/contracts/utils/introspection/ERC165Checker.sol\";\nimport \"@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol\";\n\nimport \"@manifoldxyz/libraries-solidity/contracts/access/IAdminControl.sol\";\n\nimport \"../IIdentityVerifier.sol\";\nimport \"../ILazyDelivery.sol\";\nimport \"../IPriceEngine.sol\";\n\nimport \"./TokenLib.sol\";\n\n/**\n * Interface for Ownable contracts\n */\ninterface IOwnable {\n    function owner() external view returns(address);\n}\n\n/**\n * @dev Marketplace libraries\n */\nlibrary MarketplaceLib {\n    using AddressUpgradeable for address;\n\n    // Events\n    event CreateListing(uint40 indexed listingId, uint16 marketplaceBPS, uint16 referrerBPS, uint8 listingType, uint24 totalAvailable, uint24 totalPerSale, uint48 startTime, uint48 endTime, uint256 initialAmount, uint16 extensionInterval, uint16 minIncrementBPS, address erc20, address identityVerifier);\n    event CreateListingTokenDetails(uint40 indexed listingId, uint256 id, address address_, uint8 spec, bool lazy);\n\n    event PurchaseEvent(uint40 indexed listingId, address referrer, address buyer, uint24 count, uint256 amount);\n    event BidEvent(uint40 indexed listingId, address referrer, address bidder, uint256 amount);\n    event ModifyListing(uint40 indexed listingId, uint256 initialAmount, uint48 startTime, uint48 endTime);\n    event CompleteListing(uint40 indexed listingId, uint16 deliverDeciBPS, address deliverAddress);\n    event FinalizeListing(uint40 indexed listingId);\n    event CancelListing(uint40 indexed listingId, address requestor, uint16 holdbackBPS);\n\n    // Listing types\n    enum ListingType {\n        INVALID,\n        INDIVIDUAL_AUCTION,\n        FIXED_PRICE,\n        DYNAMIC_PRICE,\n        RANKED_AUCTION\n    }\n\n    /**\n     * @dev Listing structure\n     *\n     * @param seller          - the selling party\n     * @param flags           - bit flag (hasBid, finalized, tokenCreator).  See FLAG_MASK_*\n     * @param totalSold       - total number of items sold.  This IS NOT the number of sales.  Number of sales is totalSold/details.totalPerSale.\n     * @param marketplaceBPS  - Marketplace fee BPS\n     * @param referrerBPS     - Fee BPS for referrer if there is one\n     * @param details         - ListingDetails.  Contains listing configuration\n     * @param token           - TokenDetails.  Contains the details of token being sold\n     * @param receivers       - Array of ListingReceiver structs.  If provided, will distribute sales proceeds to receivers accordingly.\n     * @param bid             - Active bid.  Only valid for INDIVIDUAL_AUCTION (1 bid)\n     * @param fees            - DeliveryFees.  Contains the delivery fee configuration for the listing\n     */\n    struct Listing {\n        address payable seller;\n        uint8 flags;\n        uint24 totalSold;\n        uint16 marketplaceBPS;\n        uint16 referrerBPS;\n        ListingDetails details;\n        TokenDetails token;\n        ListingReceiver[] receivers;\n        Bid bid;\n        DeliveryFees fees;\n    }\n\n    uint8 internal constant FLAG_MASK_HAS_BID = 0x1;\n    uint8 internal constant FLAG_MASK_FINALIZED = 0x2;\n    uint8 internal constant FLAG_MASK_COMPLETABLE = 0x4;\n\n    /**\n     * @dev Listing details structure\n     *\n     * @param initialAmount     - The initial amount of the listing. For auctions, it represents the reserve price.  For DYNAMIC_PRICE listings, it must be 0.\n     * @param type_             - Listing type\n     * @param totalAvailable    - Total number of tokens available.  Must be divisible by totalPerSale. For INDIVIDUAL_AUCTION, totalAvailable must equal totalPerSale\n     * @param totalPerSale      - Number of tokens the buyer will get per purchase.  Must be 1 if it is a lazy token\n     * @param extensionInterval - Only valid for *_AUCTION types. Indicates how long an auction will extend if a bid is made within the last <extensionInterval> seconds of the auction.\n     * @param minIncrementBPS   - Only valid for *_AUCTION types. Indicates the minimum bid increase required\n     * @param erc20             - If not 0x0, it indicates the erc20 token accepted for this sale\n     * @param identityVerifier  - If not 0x0, it indicates the buyers should be verified before any bid or purchase\n     * @param startTime         - The start time of the sale.  If set to 0, startTime will be set to the first bid/purchase.\n     * @param endTime           - The end time of the sale.  If startTime is 0, represents the duration of the listing upon first bid/purchase.\n     */\n    struct ListingDetails {\n        uint256 initialAmount;\n        ListingType type_;\n        uint24 totalAvailable;\n        uint24 totalPerSale;\n        uint16 extensionInterval;\n        uint16 minIncrementBPS;\n        address erc20;\n        address identityVerifier;\n        uint48 startTime;\n        uint48 endTime;\n    }\n\n    /**\n     * @dev Token detail structure\n     *\n     * @param address_  - The contract address of the token\n     * @param id        - The token id (or for a lazy asset, the asset id)\n     * @param spec      - The spec of the token.  If it's a lazy token, it must be blank.\n     * @param lazy      - True if token is to be lazy minted, false otherwise.  If lazy, the contract address must support ILazyDelivery\n     */\n    struct TokenDetails {\n        uint256 id;\n        address address_;\n        TokenLib.Spec spec;\n        bool lazy;\n    }\n\n    /**\n     * @dev Fee configuration for listing\n     *\n     * @param deliverDeciBPS         - Additional fee needed to deliver the token (BPS)\n     * @param deliverAddress     - Additional fee delivery address\n     */\n    struct DeliveryFees {\n        uint16 deliverDeciBPS;\n        address payable deliverAddress;\n    }\n\n    /**\n     * Listing receiver.  The array of listing receivers must add up to 10000 BPS if provided.\n     */\n    struct ListingReceiver {\n        address payable receiver;\n        uint16 receiverBPS;\n    }\n\n    /**\n     * Represents an active bid\n     *\n     * @param referrer     - The referrer\n     * @param bidder       - The bidder\n     * @param delivered    - Whether or not the token has been delivered.\n     * @param settled      - Whether or not the seller has been paid\n     * @param refunded     - Whether or not the bid has been refunded\n     */\n    struct Bid {\n        uint256 amount;\n        address payable bidder;\n        bool delivered;\n        bool settled;\n        bool refunded;\n        uint48 timestamp;\n        address payable referrer;\n    }\n\n    /**\n     * Construct a marketplace listing\n     */\n    function constructListing(uint40 listingId, Listing storage listing, ListingDetails calldata listingDetails, TokenDetails calldata tokenDetails, ListingReceiver[] calldata listingReceivers) public {\n        require(tokenDetails.address_.isContract(), \"Token address must be a contract\");\n        require(listingDetails.endTime > listingDetails.startTime, \"End time must be after start time\");\n        require(listingDetails.startTime == 0 || listingDetails.startTime > block.timestamp, \"Start and end time cannot occur in the past\");\n        require(listingDetails.totalAvailable % listingDetails.totalPerSale == 0, \"Invalid token config\");\n        \n        if (listingDetails.identityVerifier != address(0)) {\n            require(ERC165Checker.supportsInterface(listingDetails.identityVerifier, type(IIdentityVerifier).interfaceId), \"Misconfigured verifier\");\n        }\n        \n        if (listingReceivers.length > 0) {\n            uint256 totalBPS;\n            for (uint i = 0; i < listingReceivers.length; i++) {\n                listing.receivers.push(listingReceivers[i]);\n                totalBPS += listingReceivers[i].receiverBPS;\n            }\n            require(totalBPS == 10000, \"Invalid receiver config\");\n        }\n\n        if (listingDetails.type_ == ListingType.INDIVIDUAL_AUCTION) {\n            require(listingDetails.totalAvailable == listingDetails.totalPerSale, \"Invalid token config\");\n        } else if (listingDetails.type_ == ListingType.DYNAMIC_PRICE) {\n            require(tokenDetails.lazy && listingDetails.initialAmount == 0, \"Invalid listing config\");\n            require(ERC165Checker.supportsInterface(tokenDetails.address_, type(IPriceEngine).interfaceId), \"Lazy delivered dynamic price items requires token address to implement IPriceEngine\");\n        } else if (listingDetails.type_ == ListingType.RANKED_AUCTION) {\n            require(tokenDetails.lazy && listingDetails.totalAvailable <= 256, \"Invalid listing config\");\n        }\n\n        // Purchase types        \n        if (!isAuction(listingDetails.type_)) {\n            require(listingDetails.extensionInterval == 0 && listingDetails.minIncrementBPS == 0, \"Invalid listing config\");\n        } else if (listingDetails.type_ == ListingType.INDIVIDUAL_AUCTION) {\n            // Pre-initialize values to reduce cost of first bid\n            listing.bid.amount = 1;\n            listing.bid.timestamp = 1;\n        }\n\n        if (tokenDetails.lazy) {\n            require(listingDetails.totalPerSale == 1, \"Invalid token config\");\n            require(ERC165Checker.supportsInterface(tokenDetails.address_, type(ILazyDelivery).interfaceId), \"Lazy delivery requires token address to implement ILazyDelivery\");\n        } else {\n            require(listingDetails.type_ == ListingType.INDIVIDUAL_AUCTION || listingDetails.type_ == ListingType.FIXED_PRICE, \"Invalid type\");\n            _intakeToken(tokenDetails.spec, tokenDetails.address_, tokenDetails.id, listingDetails.totalAvailable, listing.seller);\n        }\n\n        // Set Listing Data\n        listing.details = listingDetails;\n        listing.token = tokenDetails;\n        \n        _emitCreateListing(listingId, listing);\n\n    }\n\n    function _emitCreateListing(uint40 listingId, Listing storage listing) private {\n        emit CreateListing(listingId, listing.marketplaceBPS, listing.referrerBPS, uint8(listing.details.type_), listing.details.totalAvailable, listing.details.totalPerSale, listing.details.startTime, listing.details.endTime, listing.details.initialAmount, listing.details.extensionInterval, listing.details.minIncrementBPS, listing.details.erc20, listing.details.identityVerifier);\n        emit CreateListingTokenDetails(listingId, listing.token.id, listing.token.address_, uint8(listing.token.spec), listing.token.lazy);\n    }\n\n    function _intakeToken(TokenLib.Spec tokenSpec, address tokenAddress, uint256 tokenId, uint256 tokensToTransfer, address from) private {\n        if (tokenSpec == TokenLib.Spec.ERC721) {\n            require(tokensToTransfer == 1, \"ERC721 invalid number of tokens to transfer\");\n            TokenLib._erc721Transfer(tokenAddress, tokenId, from, address(this));\n        } else if (tokenSpec == TokenLib.Spec.ERC1155) {\n            TokenLib._erc1155Transfer(tokenAddress, tokenId, tokensToTransfer, from, address(this));\n        } else {\n            revert(\"Unsupported token spec\");\n        }\n    }\n\n    function isAuction(ListingType type_) public pure returns (bool) {\n        return (type_ == MarketplaceLib.ListingType.INDIVIDUAL_AUCTION || type_ == MarketplaceLib.ListingType.RANKED_AUCTION);\n    }\n\n    function modifyListing(uint40 listingId, Listing storage listing, uint256 initialAmount, uint48 startTime, uint48 endTime) public {\n        require(endTime > startTime, \"End time must be after start time\");\n        require(startTime == 0 || startTime > block.timestamp, \"Start and end time cannot occur in the past\");\n        require(listing.details.startTime == 0 || (block.timestamp < listing.details.startTime && (listing.flags & MarketplaceLib.FLAG_MASK_FINALIZED) == 0)\n            || (!isAuction(listing.details.type_) && listing.totalSold == 0)|| (isAuction(listing.details.type_) && listing.bid.amount == 1), \"Cannot modify listing that has already started or completed\");\n        require(listing.details.type_ != MarketplaceLib.ListingType.DYNAMIC_PRICE || initialAmount == 0, \"Invalid listing config\");\n        listing.details.initialAmount = initialAmount;\n        listing.details.startTime = startTime;\n        listing.details.endTime = endTime;\n\n        emit ModifyListing(listingId, initialAmount, startTime, endTime);\n    }\n\n    function completeListing(uint40 listingId, Listing storage listing, DeliveryFees calldata fees) public {\n        require((listing.flags & MarketplaceLib.FLAG_MASK_FINALIZED) == 0, \"Listing not found\");\n        require(listing.details.startTime != 0 && listing.details.endTime < block.timestamp, \"Listing still active\");\n        listing.fees = fees;\n        listing.flags  |= MarketplaceLib.FLAG_MASK_COMPLETABLE;\n\n        emit CompleteListing(listingId, fees.deliverDeciBPS, fees.deliverAddress);\n    }\n\n}"
    },
    "contracts/libs/TokenLib.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/// @author: manifold.xyz\n\nimport \"@openzeppelin/contracts/token/ERC721/IERC721.sol\";\nimport \"@openzeppelin/contracts/token/ERC1155/IERC1155.sol\";\n\n/**\n * @dev Token specs and functions\n */\nlibrary TokenLib {\n    // Spec types\n    enum Spec {\n        NONE,\n        ERC721,\n        ERC1155\n    }\n\n    function _getSpecString(Spec spec) internal pure returns (string memory) {\n        if (spec == Spec.ERC721) {\n           return \"erc721\";\n        } else if (spec == Spec.ERC1155) {\n            return \"erc1155\";\n        } else {\n            return \"\";\n        }\n    }\n\n    function _erc721Transfer(address tokenAddress, uint256 tokenId, address from, address to) internal {\n        // Transfer token\n        IERC721(tokenAddress).transferFrom(from, to, tokenId);\n    }\n\n    function _erc1155Transfer(address tokenAddress, uint256 tokenId, uint256 value, address from, address to) internal {\n        // Transfer token\n        IERC1155(tokenAddress).safeTransferFrom(from, to, tokenId, value, \"\");\n    }\n\n}"
    },
    "contracts/libs/BidTreeLib.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/**\n * Bid tree library (sorts from highest amount to lowest amount, then by oldest to newest if they're the same value)\n */\nlibrary BidTreeLib {\n    /**\n      * Represents an active bid\n      *\n      * @param delivered    - Whether or not the token has been delivered.\n      * @param settled      - Whether or not the seller has been paid\n      * @param refunded     - Whether or not the bid has been refunded\n      */\n     struct Bid {\n         uint256 amount;\n         bool delivered;\n         bool settled;\n         bool refunded;\n         uint48 timestamp;\n    }\n\n    struct Node {\n        Bid data;\n        address parent;\n        address left;\n        address right;\n        bool red;\n    }\n\n    struct BidTree {\n        address root;\n        uint16 size;\n        mapping(address => Node) nodes;\n    }\n\n    address private constant EMPTY = address(0);\n\n    function first(BidTree storage self) internal view returns (address _key) {\n        _key = self.root;\n        if (_key != EMPTY) {\n            while (self.nodes[_key].left != EMPTY) {\n                _key = self.nodes[_key].left;\n            }\n        }\n    }\n    function last(BidTree storage self) internal view returns (address _key) {\n        _key = self.root;\n        if (_key != EMPTY) {\n            while (self.nodes[_key].right != EMPTY) {\n                _key = self.nodes[_key].right;\n            }\n        }\n    }\n    function next(BidTree storage self, address target) internal view returns (address cursor) {\n        require(target != EMPTY);\n        if (self.nodes[target].right != EMPTY) {\n            cursor = bidTreeMinimum(self, self.nodes[target].right);\n        } else {\n            cursor = self.nodes[target].parent;\n            while (cursor != EMPTY && target == self.nodes[cursor].right) {\n                target = cursor;\n                cursor = self.nodes[cursor].parent;\n            }\n        }\n    }\n    function prev(BidTree storage self, address target) internal view returns (address cursor) {\n        require(target != EMPTY);\n        if (self.nodes[target].left != EMPTY) {\n            cursor = bidTreeMaximum(self, self.nodes[target].left);\n        } else {\n            cursor = self.nodes[target].parent;\n            while (cursor != EMPTY && target == self.nodes[cursor].left) {\n                target = cursor;\n                cursor = self.nodes[cursor].parent;\n            }\n        }\n    }\n    function exists(BidTree storage self, address key) internal view returns (bool) {\n        return (key != EMPTY) && ((key == self.root) || (self.nodes[key].parent != EMPTY));\n    }\n    function isEmpty(address key) internal pure returns (bool) {\n        return key == EMPTY;\n    }\n    function getEmpty() internal pure returns (address) {\n        return EMPTY;\n    }\n    function getBid(BidTree storage self, address key) internal view returns (Bid storage) {\n        require(exists(self, key));\n        return(self.nodes[key].data);\n    }\n\n    function insert(BidTree storage self, address key, uint256 amount, uint48 timestamp) internal {\n        require(key != EMPTY);\n        require(!exists(self, key));\n        address cursor = EMPTY;\n        address probe = self.root;\n        Bid storage cursorData;\n        while (probe != EMPTY) {\n            cursor = probe;\n            cursorData = self.nodes[cursor].data;\n            if (amount > cursorData.amount || (amount == cursorData.amount && timestamp < cursorData.timestamp)) {\n                probe = self.nodes[probe].left;\n            } else {\n                probe = self.nodes[probe].right;\n            }\n        }\n        self.nodes[key] = Node({data: Bid({amount: amount, delivered: false, settled: false, refunded: false, timestamp: timestamp}), parent: cursor, left: EMPTY, right: EMPTY, red: true});\n        if (cursor == EMPTY) {\n            self.root = key;\n        } else {\n          cursorData = self.nodes[cursor].data;\n          if (amount > cursorData.amount || (amount == cursorData.amount && timestamp < cursorData.timestamp)) {\n            self.nodes[cursor].left = key;\n          } else {\n            self.nodes[cursor].right = key;\n          }\n        }\n        insertFixup(self, key);\n        self.size += 1;\n    }\n    function remove(BidTree storage self, address key) internal {\n        require(key != EMPTY);\n        require(exists(self, key));\n        address probe;\n        address cursor;\n        if (self.nodes[key].left == EMPTY || self.nodes[key].right == EMPTY) {\n            cursor = key;\n        } else {\n            cursor = self.nodes[key].right;\n            while (self.nodes[cursor].left != EMPTY) {\n                cursor = self.nodes[cursor].left;\n            }\n        }\n        if (self.nodes[cursor].left != EMPTY) {\n            probe = self.nodes[cursor].left;\n        } else {\n            probe = self.nodes[cursor].right;\n        }\n        address yParent = self.nodes[cursor].parent;\n        self.nodes[probe].parent = yParent;\n        if (yParent != EMPTY) {\n            if (cursor == self.nodes[yParent].left) {\n                self.nodes[yParent].left = probe;\n            } else {\n                self.nodes[yParent].right = probe;\n            }\n        } else {\n            self.root = probe;\n        }\n        bool doFixup = !self.nodes[cursor].red;\n        if (cursor != key) {\n            replaceParent(self, cursor, key);\n            self.nodes[cursor].left = self.nodes[key].left;\n            self.nodes[self.nodes[cursor].left].parent = cursor;\n            self.nodes[cursor].right = self.nodes[key].right;\n            self.nodes[self.nodes[cursor].right].parent = cursor;\n            self.nodes[cursor].red = self.nodes[key].red;\n            (cursor, key) = (key, cursor);\n        }\n        if (doFixup) {\n            removeFixup(self, probe);\n        }\n        delete self.nodes[cursor];\n        self.size -= 1;\n    }\n\n    function bidTreeMinimum(BidTree storage self, address key) private view returns (address) {\n        while (self.nodes[key].left != EMPTY) {\n            key = self.nodes[key].left;\n        }\n        return key;\n    }\n    function bidTreeMaximum(BidTree storage self, address key) private view returns (address) {\n        while (self.nodes[key].right != EMPTY) {\n            key = self.nodes[key].right;\n        }\n        return key;\n    }\n\n    function rotateLeft(BidTree storage self, address key) private {\n        address cursor = self.nodes[key].right;\n        address keyParent = self.nodes[key].parent;\n        address cursorLeft = self.nodes[cursor].left;\n        self.nodes[key].right = cursorLeft;\n        if (cursorLeft != EMPTY) {\n            self.nodes[cursorLeft].parent = key;\n        }\n        self.nodes[cursor].parent = keyParent;\n        if (keyParent == EMPTY) {\n            self.root = cursor;\n        } else if (key == self.nodes[keyParent].left) {\n            self.nodes[keyParent].left = cursor;\n        } else {\n            self.nodes[keyParent].right = cursor;\n        }\n        self.nodes[cursor].left = key;\n        self.nodes[key].parent = cursor;\n    }\n    function rotateRight(BidTree storage self, address key) private {\n        address cursor = self.nodes[key].left;\n        address keyParent = self.nodes[key].parent;\n        address cursorRight = self.nodes[cursor].right;\n        self.nodes[key].left = cursorRight;\n        if (cursorRight != EMPTY) {\n            self.nodes[cursorRight].parent = key;\n        }\n        self.nodes[cursor].parent = keyParent;\n        if (keyParent == EMPTY) {\n            self.root = cursor;\n        } else if (key == self.nodes[keyParent].right) {\n            self.nodes[keyParent].right = cursor;\n        } else {\n            self.nodes[keyParent].left = cursor;\n        }\n        self.nodes[cursor].right = key;\n        self.nodes[key].parent = cursor;\n    }\n\n    function insertFixup(BidTree storage self, address key) private {\n        address cursor;\n        while (key != self.root && self.nodes[self.nodes[key].parent].red) {\n            address keyParent = self.nodes[key].parent;\n            if (keyParent == self.nodes[self.nodes[keyParent].parent].left) {\n                cursor = self.nodes[self.nodes[keyParent].parent].right;\n                if (self.nodes[cursor].red) {\n                    self.nodes[keyParent].red = false;\n                    self.nodes[cursor].red = false;\n                    self.nodes[self.nodes[keyParent].parent].red = true;\n                    key = self.nodes[keyParent].parent;\n                } else {\n                    if (key == self.nodes[keyParent].right) {\n                      key = keyParent;\n                      rotateLeft(self, key);\n                    }\n                    keyParent = self.nodes[key].parent;\n                    self.nodes[keyParent].red = false;\n                    self.nodes[self.nodes[keyParent].parent].red = true;\n                    rotateRight(self, self.nodes[keyParent].parent);\n                }\n            } else {\n                cursor = self.nodes[self.nodes[keyParent].parent].left;\n                if (self.nodes[cursor].red) {\n                    self.nodes[keyParent].red = false;\n                    self.nodes[cursor].red = false;\n                    self.nodes[self.nodes[keyParent].parent].red = true;\n                    key = self.nodes[keyParent].parent;\n                } else {\n                    if (key == self.nodes[keyParent].left) {\n                      key = keyParent;\n                      rotateRight(self, key);\n                    }\n                    keyParent = self.nodes[key].parent;\n                    self.nodes[keyParent].red = false;\n                    self.nodes[self.nodes[keyParent].parent].red = true;\n                    rotateLeft(self, self.nodes[keyParent].parent);\n                }\n            }\n        }\n        self.nodes[self.root].red = false;\n    }\n\n    function replaceParent(BidTree storage self, address a, address b) private {\n        address bParent = self.nodes[b].parent;\n        self.nodes[a].parent = bParent;\n        if (bParent == EMPTY) {\n            self.root = a;\n        } else {\n            if (b == self.nodes[bParent].left) {\n                self.nodes[bParent].left = a;\n            } else {\n                self.nodes[bParent].right = a;\n            }\n        }\n    }\n    function removeFixup(BidTree storage self, address key) private {\n        address cursor;\n        while (key != self.root && !self.nodes[key].red) {\n            address keyParent = self.nodes[key].parent;\n            if (key == self.nodes[keyParent].left) {\n                cursor = self.nodes[keyParent].right;\n                if (self.nodes[cursor].red) {\n                    self.nodes[cursor].red = false;\n                    self.nodes[keyParent].red = true;\n                    rotateLeft(self, keyParent);\n                    cursor = self.nodes[keyParent].right;\n                }\n                if (!self.nodes[self.nodes[cursor].left].red && !self.nodes[self.nodes[cursor].right].red) {\n                    self.nodes[cursor].red = true;\n                    key = keyParent;\n                } else {\n                    if (!self.nodes[self.nodes[cursor].right].red) {\n                        self.nodes[self.nodes[cursor].left].red = false;\n                        self.nodes[cursor].red = true;\n                        rotateRight(self, cursor);\n                        cursor = self.nodes[keyParent].right;\n                    }\n                    self.nodes[cursor].red = self.nodes[keyParent].red;\n                    self.nodes[keyParent].red = false;\n                    self.nodes[self.nodes[cursor].right].red = false;\n                    rotateLeft(self, keyParent);\n                    key = self.root;\n                }\n            } else {\n                cursor = self.nodes[keyParent].left;\n                if (self.nodes[cursor].red) {\n                    self.nodes[cursor].red = false;\n                    self.nodes[keyParent].red = true;\n                    rotateRight(self, keyParent);\n                    cursor = self.nodes[keyParent].left;\n                }\n                if (!self.nodes[self.nodes[cursor].right].red && !self.nodes[self.nodes[cursor].left].red) {\n                    self.nodes[cursor].red = true;\n                    key = keyParent;\n                } else {\n                    if (!self.nodes[self.nodes[cursor].left].red) {\n                        self.nodes[self.nodes[cursor].right].red = false;\n                        self.nodes[cursor].red = true;\n                        rotateLeft(self, cursor);\n                        cursor = self.nodes[keyParent].left;\n                    }\n                    self.nodes[cursor].red = self.nodes[keyParent].red;\n                    self.nodes[keyParent].red = false;\n                    self.nodes[self.nodes[cursor].left].red = false;\n                    rotateRight(self, keyParent);\n                    key = self.root;\n                }\n            }\n        }\n        self.nodes[key].red = false;\n    }\n}\n// ----------------------------------------------------------------------------\n// End - BokkyPooBah's Red-Black BidTree Library\n// ----------------------------------------------------------------------------"
    },
    "@openzeppelin/contracts/utils/introspection/IERC165.sol": {
      "content": "// SPDX-License-Identifier: MIT\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"
    },
    "@openzeppelin/contracts/token/ERC721/IERC721.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n    /**\n     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n     */\n    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n     */\n    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n    /**\n     * @dev Returns the number of tokens in ``owner``'s account.\n     */\n    function balanceOf(address owner) external view returns (uint256 balance);\n\n    /**\n     * @dev Returns the owner of the `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function ownerOf(uint256 tokenId) external view returns (address owner);\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n     * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    /**\n     * @dev Transfers `tokenId` token from `from` to `to`.\n     *\n     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    /**\n     * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n     * The approval is cleared when the token is transferred.\n     *\n     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n     *\n     * Requirements:\n     *\n     * - The caller must own the token or be an approved operator.\n     * - `tokenId` must exist.\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address to, uint256 tokenId) external;\n\n    /**\n     * @dev Returns the account approved for `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function getApproved(uint256 tokenId) external view returns (address operator);\n\n    /**\n     * @dev Approve or remove `operator` as an operator for the caller.\n     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n     *\n     * Requirements:\n     *\n     * - The `operator` cannot be the caller.\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function setApprovalForAll(address operator, bool _approved) external;\n\n    /**\n     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n     *\n     * See {setApprovalForAll}\n     */\n    function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes calldata data\n    ) external;\n}\n"
    },
    "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Library used to query support of an interface declared via {IERC165}.\n *\n * Note that these functions return the actual result of the query: they do not\n * `revert` if an interface is not supported. It is up to the caller to decide\n * what to do in these cases.\n */\nlibrary ERC165Checker {\n    // As per the EIP-165 spec, no interface should ever match 0xffffffff\n    bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff;\n\n    /**\n     * @dev Returns true if `account` supports the {IERC165} interface,\n     */\n    function supportsERC165(address account) internal view returns (bool) {\n        // Any contract that implements ERC165 must explicitly indicate support of\n        // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid\n        return\n            _supportsERC165Interface(account, type(IERC165).interfaceId) &&\n            !_supportsERC165Interface(account, _INTERFACE_ID_INVALID);\n    }\n\n    /**\n     * @dev Returns true if `account` supports the interface defined by\n     * `interfaceId`. Support for {IERC165} itself is queried automatically.\n     *\n     * See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) {\n        // query support of both ERC165 as per the spec and support of _interfaceId\n        return supportsERC165(account) && _supportsERC165Interface(account, interfaceId);\n    }\n\n    /**\n     * @dev Returns a boolean array where each value corresponds to the\n     * interfaces passed in and whether they're supported or not. This allows\n     * you to batch check interfaces for a contract where your expectation\n     * is that some interfaces may not be supported.\n     *\n     * See {IERC165-supportsInterface}.\n     *\n     * _Available since v3.4._\n     */\n    function getSupportedInterfaces(address account, bytes4[] memory interfaceIds)\n        internal\n        view\n        returns (bool[] memory)\n    {\n        // an array of booleans corresponding to interfaceIds and whether they're supported or not\n        bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length);\n\n        // query support of ERC165 itself\n        if (supportsERC165(account)) {\n            // query support of each interface in interfaceIds\n            for (uint256 i = 0; i < interfaceIds.length; i++) {\n                interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]);\n            }\n        }\n\n        return interfaceIdsSupported;\n    }\n\n    /**\n     * @dev Returns true if `account` supports all the interfaces defined in\n     * `interfaceIds`. Support for {IERC165} itself is queried automatically.\n     *\n     * Batch-querying can lead to gas savings by skipping repeated checks for\n     * {IERC165} support.\n     *\n     * See {IERC165-supportsInterface}.\n     */\n    function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) {\n        // query support of ERC165 itself\n        if (!supportsERC165(account)) {\n            return false;\n        }\n\n        // query support of each interface in _interfaceIds\n        for (uint256 i = 0; i < interfaceIds.length; i++) {\n            if (!_supportsERC165Interface(account, interfaceIds[i])) {\n                return false;\n            }\n        }\n\n        // all interfaces supported\n        return true;\n    }\n\n    /**\n     * @notice Query if a contract implements an interface, does not check ERC165 support\n     * @param account The address of the contract to query for support of an interface\n     * @param interfaceId The interface identifier, as specified in ERC-165\n     * @return true if the contract at account indicates support of the interface with\n     * identifier interfaceId, false otherwise\n     * @dev Assumes that account contains a contract that supports ERC165, otherwise\n     * the behavior of this method is undefined. This precondition can be checked\n     * with {supportsERC165}.\n     * Interface identification is specified in ERC-165.\n     */\n    function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) {\n        bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId);\n        (bool success, bytes memory result) = account.staticcall{gas: 30000}(encodedParams);\n        if (result.length < 32) return false;\n        return success && abi.decode(result, (bool));\n    }\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary AddressUpgradeable {\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    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize, which returns 0 for contracts in\n        // construction, since the code is only stored at the end of the\n        // constructor execution.\n\n        uint256 size;\n        assembly {\n            size := extcodesize(account)\n        }\n        return size > 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 functionCall(target, data, \"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        require(isContract(target), \"Address: call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResult(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        require(isContract(target), \"Address: static call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason 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            // 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\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}\n"
    },
    "@manifoldxyz/libraries-solidity/contracts/access/IAdminControl.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/// @author: manifold.xyz\n\nimport \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\n/**\n * @dev Interface for admin control\n */\ninterface IAdminControl is IERC165 {\n\n    event AdminApproved(address indexed account, address indexed sender);\n    event AdminRevoked(address indexed account, address indexed sender);\n\n    /**\n     * @dev gets address of all admins\n     */\n    function getAdmins() external view returns (address[] memory);\n\n    /**\n     * @dev add an admin.  Can only be called by contract owner.\n     */\n    function approveAdmin(address admin) external;\n\n    /**\n     * @dev remove an admin.  Can only be called by contract owner.\n     */\n    function revokeAdmin(address admin) external;\n\n    /**\n     * @dev checks whether or not given address is an admin\n     * Returns True if they are\n     */\n    function isAdmin(address admin) external view returns (bool);\n\n}"
    },
    "@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
      "content": "// SPDX-License-Identifier: MIT\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 be 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"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 500
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "libraries": {}
  }
}