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{
"language": "Solidity",
"sources": {
"contracts/AelinPool.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.6;\n\nimport \"./AelinDeal.sol\";\nimport \"./interfaces/IAelinPool.sol\";\nimport \"./interfaces/ICryptoPunks.sol\";\nimport \"./libraries/NftCheck.sol\";\n\ncontract AelinPool is AelinERC20, MinimalProxyFactory, IAelinPool {\n using SafeERC20 for IERC20;\n address constant CRYPTO_PUNKS = address(0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB);\n uint256 constant BASE = 100 * 10**18;\n uint256 constant MAX_SPONSOR_FEE = 15 * 10**18;\n uint256 constant AELIN_FEE = 2 * 10**18;\n uint8 constant MAX_DEALS = 5;\n\n uint8 public numberOfDeals;\n uint8 public purchaseTokenDecimals;\n address public purchaseToken;\n uint256 public purchaseTokenCap;\n uint256 public proRataConversion;\n\n uint256 public sponsorFee;\n address public sponsor;\n address public futureSponsor;\n address public poolFactory;\n\n uint256 public purchaseExpiry;\n uint256 public poolExpiry;\n uint256 public holderFundingExpiry;\n uint256 public totalAmountAccepted;\n uint256 public totalAmountWithdrawn;\n uint256 public purchaseTokenTotalForDeal;\n\n bool private calledInitialize;\n\n address public aelinTreasuryAddress;\n address public aelinDealLogicAddress;\n address public aelinEscrowLogicAddress;\n AelinDeal public aelinDeal;\n address public holder;\n\n mapping(address => uint256) public amountAccepted;\n mapping(address => uint256) public amountWithdrawn;\n mapping(address => bool) public openPeriodEligible;\n mapping(address => uint256) public allowList;\n // collectionAddress -> NftCollectionRules struct\n mapping(address => NftCollectionRules) public nftCollectionDetails;\n // collectionAddress -> walletAddress -> bool\n mapping(address => mapping(address => bool)) public nftWalletUsedForPurchase;\n // collectionAddress -> tokenId -> bool\n /**\n * @dev For 721, it is used for blacklisting the tokenId of a collection\n * and for 1155, it is used for identifying the eligible tokenIds for\n * participating in the pool\n */\n mapping(address => mapping(uint256 => bool)) public nftId;\n bool public hasNftList;\n bool public hasAllowList;\n\n string private storedName;\n string private storedSymbol;\n\n /**\n * @dev the constructor will always be blank due to the MinimalProxyFactory pattern\n * this allows the underlying logic of this contract to only be deployed once\n * and each new pool created is simply a storage wrapper\n */\n constructor() {}\n\n /**\n * @dev the initialize method replaces the constructor setup and can only be called once\n *\n * Requirements:\n * - max 1 year duration\n * - purchase expiry can be set from 30 minutes to 30 days\n * - max sponsor fee is 15000 representing 15%\n */\n function initialize(\n PoolData calldata _poolData,\n address _sponsor,\n address _aelinDealLogicAddress,\n address _aelinTreasuryAddress,\n address _aelinEscrowLogicAddress\n ) external initOnce {\n require(\n 30 minutes <= _poolData.purchaseDuration && 30 days >= _poolData.purchaseDuration,\n \"outside purchase expiry window\"\n );\n require(365 days >= _poolData.duration, \"max 1 year duration\");\n require(_poolData.sponsorFee <= MAX_SPONSOR_FEE, \"exceeds max sponsor fee\");\n purchaseTokenDecimals = IERC20Decimals(_poolData.purchaseToken).decimals();\n require(purchaseTokenDecimals <= DEAL_TOKEN_DECIMALS, \"too many token decimals\");\n storedName = _poolData.name;\n storedSymbol = _poolData.symbol;\n poolFactory = msg.sender;\n\n _setNameSymbolAndDecimals(\n string(abi.encodePacked(\"aePool-\", _poolData.name)),\n string(abi.encodePacked(\"aeP-\", _poolData.symbol)),\n purchaseTokenDecimals\n );\n\n purchaseTokenCap = _poolData.purchaseTokenCap;\n purchaseToken = _poolData.purchaseToken;\n purchaseExpiry = block.timestamp + _poolData.purchaseDuration;\n poolExpiry = purchaseExpiry + _poolData.duration;\n sponsorFee = _poolData.sponsorFee;\n sponsor = _sponsor;\n aelinEscrowLogicAddress = _aelinEscrowLogicAddress;\n aelinDealLogicAddress = _aelinDealLogicAddress;\n aelinTreasuryAddress = _aelinTreasuryAddress;\n\n address[] memory allowListAddresses = _poolData.allowListAddresses;\n uint256[] memory allowListAmounts = _poolData.allowListAmounts;\n\n if (allowListAddresses.length > 0 || allowListAmounts.length > 0) {\n require(\n allowListAddresses.length == allowListAmounts.length,\n \"allowListAddresses and allowListAmounts arrays should have the same length\"\n );\n for (uint256 i; i < allowListAddresses.length; ++i) {\n allowList[allowListAddresses[i]] = allowListAmounts[i];\n emit AllowlistAddress(allowListAddresses[i], allowListAmounts[i]);\n }\n hasAllowList = true;\n }\n\n NftCollectionRules[] memory nftCollectionRules = _poolData.nftCollectionRules;\n\n if (nftCollectionRules.length > 0) {\n // if the first address supports punks or 721, the entire pool only supports 721 or punks\n if (\n nftCollectionRules[0].collectionAddress == CRYPTO_PUNKS ||\n NftCheck.supports721(nftCollectionRules[0].collectionAddress)\n ) {\n for (uint256 i; i < nftCollectionRules.length; ++i) {\n require(\n nftCollectionRules[i].collectionAddress == CRYPTO_PUNKS ||\n NftCheck.supports721(nftCollectionRules[i].collectionAddress),\n \"can only contain 721\"\n );\n nftCollectionDetails[nftCollectionRules[i].collectionAddress] = nftCollectionRules[i];\n emit PoolWith721(\n nftCollectionRules[i].collectionAddress,\n nftCollectionRules[i].purchaseAmount,\n nftCollectionRules[i].purchaseAmountPerToken\n );\n }\n hasNftList = true;\n }\n // if the first address supports 1155, the entire pool only supports 1155\n else if (NftCheck.supports1155(nftCollectionRules[0].collectionAddress)) {\n for (uint256 i; i < nftCollectionRules.length; ++i) {\n require(NftCheck.supports1155(nftCollectionRules[i].collectionAddress), \"can only contain 1155\");\n nftCollectionDetails[nftCollectionRules[i].collectionAddress] = nftCollectionRules[i];\n\n for (uint256 j; j < nftCollectionRules[i].tokenIds.length; ++j) {\n nftId[nftCollectionRules[i].collectionAddress][nftCollectionRules[i].tokenIds[j]] = true;\n }\n emit PoolWith1155(\n nftCollectionRules[i].collectionAddress,\n nftCollectionRules[i].purchaseAmount,\n nftCollectionRules[i].purchaseAmountPerToken,\n nftCollectionRules[i].tokenIds,\n nftCollectionRules[i].minTokensEligible\n );\n }\n hasNftList = true;\n } else {\n revert(\"collection is not compatible\");\n }\n }\n\n emit SetSponsor(_sponsor);\n }\n\n modifier dealReady() {\n if (holderFundingExpiry > 0) {\n require(!aelinDeal.depositComplete() && block.timestamp >= holderFundingExpiry, \"cant create new deal\");\n }\n _;\n }\n\n modifier initOnce() {\n require(!calledInitialize, \"can only initialize once\");\n calledInitialize = true;\n _;\n }\n\n modifier onlySponsor() {\n require(msg.sender == sponsor, \"only sponsor can access\");\n _;\n }\n\n modifier dealFunded() {\n require(holderFundingExpiry > 0 && aelinDeal.depositComplete(), \"deal not yet funded\");\n _;\n }\n\n /**\n * @dev the sponsor may change addresses\n */\n function setSponsor(address _sponsor) external onlySponsor {\n require(_sponsor != address(0));\n futureSponsor = _sponsor;\n }\n\n function acceptSponsor() external {\n require(msg.sender == futureSponsor, \"only future sponsor can access\");\n sponsor = futureSponsor;\n emit SetSponsor(futureSponsor);\n }\n\n /**\n * @dev only the sponsor can create a deal. The deal must be funded by the holder\n * of the underlying deal token before a purchaser may accept the deal. If the\n * holder does not fund the deal before the expiry period is over then the sponsor\n * can create a new deal for the pool of capital by calling this method again.\n *\n * Requirements:\n * - The purchase expiry period must be over\n * - the holder funding expiry period must be from 30 minutes to 30 days\n * - the pro rata redemption period must be from 30 minutes to 30 days\n * - the purchase token total for the deal that may be accepted must be <= the funds in the pool\n * - if the pro rata conversion ratio (purchase token total for the deal:funds in pool)\n * is 1:1 then the open redemption period must be 0,\n * otherwise the open period is from 30 minutes to 30 days\n */\n function createDeal(\n address _underlyingDealToken,\n uint256 _purchaseTokenTotalForDeal,\n uint256 _underlyingDealTokenTotal,\n uint256 _vestingPeriod,\n uint256 _vestingCliffPeriod,\n uint256 _proRataRedemptionPeriod,\n uint256 _openRedemptionPeriod,\n address _holder,\n uint256 _holderFundingDuration\n ) external onlySponsor dealReady returns (address) {\n require(numberOfDeals < MAX_DEALS, \"too many deals\");\n require(_holder != address(0), \"cant pass null holder address\");\n require(_underlyingDealToken != address(0), \"cant pass null token address\");\n require(block.timestamp >= purchaseExpiry, \"pool still in purchase mode\");\n require(\n 30 minutes <= _proRataRedemptionPeriod && 30 days >= _proRataRedemptionPeriod,\n \"30 mins - 30 days for prorata\"\n );\n require(1825 days >= _vestingCliffPeriod, \"max 5 year cliff\");\n require(1825 days >= _vestingPeriod, \"max 5 year vesting\");\n require(30 minutes <= _holderFundingDuration && 30 days >= _holderFundingDuration, \"30 mins - 30 days for holder\");\n require(_purchaseTokenTotalForDeal <= totalSupply(), \"not enough funds available\");\n proRataConversion = (_purchaseTokenTotalForDeal * 1e18) / totalSupply();\n if (proRataConversion == 1e18) {\n require(0 minutes == _openRedemptionPeriod, \"deal is 1:1, set open to 0\");\n } else {\n require(30 minutes <= _openRedemptionPeriod && 30 days >= _openRedemptionPeriod, \"30 mins - 30 days for open\");\n }\n\n numberOfDeals += 1;\n poolExpiry = block.timestamp;\n holder = _holder;\n holderFundingExpiry = block.timestamp + _holderFundingDuration;\n purchaseTokenTotalForDeal = _purchaseTokenTotalForDeal;\n uint256 maxDealTotalSupply = _convertPoolToDeal(_purchaseTokenTotalForDeal, purchaseTokenDecimals);\n\n address aelinDealStorageProxy = _cloneAsMinimalProxy(aelinDealLogicAddress, \"Could not create new deal\");\n aelinDeal = AelinDeal(aelinDealStorageProxy);\n IAelinDeal.DealData memory dealData = IAelinDeal.DealData(\n _underlyingDealToken,\n _underlyingDealTokenTotal,\n _vestingPeriod,\n _vestingCliffPeriod,\n _proRataRedemptionPeriod,\n _openRedemptionPeriod,\n _holder,\n maxDealTotalSupply,\n holderFundingExpiry\n );\n\n aelinDeal.initialize(storedName, storedSymbol, dealData, aelinTreasuryAddress, aelinEscrowLogicAddress);\n\n emit CreateDeal(\n string(abi.encodePacked(\"aeDeal-\", storedName)),\n string(abi.encodePacked(\"aeD-\", storedSymbol)),\n sponsor,\n aelinDealStorageProxy\n );\n\n emit DealDetail(\n aelinDealStorageProxy,\n _underlyingDealToken,\n _purchaseTokenTotalForDeal,\n _underlyingDealTokenTotal,\n _vestingPeriod,\n _vestingCliffPeriod,\n _proRataRedemptionPeriod,\n _openRedemptionPeriod,\n _holder,\n _holderFundingDuration\n );\n\n return aelinDealStorageProxy;\n }\n\n /**\n * @dev the 2 methods allow a purchaser to exchange accept all or a\n * portion of their pool tokens for deal tokens\n *\n * Requirements:\n * - the redemption period is either in the pro rata or open windows\n * - the purchaser cannot accept more than their share for a period\n * - if participating in the open period, a purchaser must have maxxed their\n * contribution in the pro rata phase\n */\n function acceptMaxDealTokens() external {\n _acceptDealTokens(msg.sender, 0, true);\n }\n\n function acceptDealTokens(uint256 _poolTokenAmount) external {\n _acceptDealTokens(msg.sender, _poolTokenAmount, false);\n }\n\n /**\n * @dev the if statement says if you have no balance or if the deal is not funded\n * or if the pro rata period is not active, then you have 0 available for this period\n */\n function maxProRataAmount(address _purchaser) public view returns (uint256) {\n (, uint256 proRataRedemptionStart, uint256 proRataRedemptionExpiry) = aelinDeal.proRataRedemption();\n\n if (\n (balanceOf(_purchaser) == 0 && amountAccepted[_purchaser] == 0 && amountWithdrawn[_purchaser] == 0) ||\n holderFundingExpiry == 0 ||\n proRataRedemptionStart == 0 ||\n block.timestamp >= proRataRedemptionExpiry\n ) {\n return 0;\n }\n return\n (proRataConversion * (balanceOf(_purchaser) + amountAccepted[_purchaser] + amountWithdrawn[_purchaser])) /\n 1e18 -\n amountAccepted[_purchaser];\n }\n\n function _maxOpenAvail(address _purchaser) internal view returns (uint256) {\n return\n balanceOf(_purchaser) + totalAmountAccepted <= purchaseTokenTotalForDeal\n ? balanceOf(_purchaser)\n : purchaseTokenTotalForDeal - totalAmountAccepted;\n }\n\n function _acceptDealTokens(\n address _recipient,\n uint256 _poolTokenAmount,\n bool _useMax\n ) internal dealFunded lock {\n (, uint256 proRataRedemptionStart, uint256 proRataRedemptionExpiry) = aelinDeal.proRataRedemption();\n (, uint256 openRedemptionStart, uint256 openRedemptionExpiry) = aelinDeal.openRedemption();\n\n if (block.timestamp >= proRataRedemptionStart && block.timestamp < proRataRedemptionExpiry) {\n _acceptDealTokensProRata(_recipient, _poolTokenAmount, _useMax);\n } else if (openRedemptionStart > 0 && block.timestamp < openRedemptionExpiry) {\n _acceptDealTokensOpen(_recipient, _poolTokenAmount, _useMax);\n } else {\n revert(\"outside of redeem window\");\n }\n }\n\n function _acceptDealTokensProRata(\n address _recipient,\n uint256 _poolTokenAmount,\n bool _useMax\n ) internal {\n uint256 maxProRata = maxProRataAmount(_recipient);\n uint256 maxAccept = maxProRata > balanceOf(_recipient) ? balanceOf(_recipient) : maxProRata;\n if (!_useMax) {\n require(\n _poolTokenAmount <= maxProRata && balanceOf(_recipient) >= _poolTokenAmount,\n \"accepting more than share\"\n );\n }\n uint256 acceptAmount = _useMax ? maxAccept : _poolTokenAmount;\n amountAccepted[_recipient] += acceptAmount;\n totalAmountAccepted += acceptAmount;\n _mintDealTokens(_recipient, acceptAmount);\n if (proRataConversion != 1e18 && maxProRataAmount(_recipient) == 0) {\n openPeriodEligible[_recipient] = true;\n }\n }\n\n function _acceptDealTokensOpen(\n address _recipient,\n uint256 _poolTokenAmount,\n bool _useMax\n ) internal {\n require(openPeriodEligible[_recipient], \"ineligible: didn't max pro rata\");\n uint256 maxOpen = _maxOpenAvail(_recipient);\n require(maxOpen > 0, \"nothing left to accept\");\n uint256 acceptAmount = _useMax ? maxOpen : _poolTokenAmount;\n if (!_useMax) {\n require(acceptAmount <= maxOpen, \"accepting more than share\");\n }\n totalAmountAccepted += acceptAmount;\n amountAccepted[_recipient] += acceptAmount;\n _mintDealTokens(_recipient, acceptAmount);\n }\n\n /**\n * @dev the holder will receive less purchase tokens than the amount\n * transferred if the purchase token burns or takes a fee during transfer\n */\n function _mintDealTokens(address _recipient, uint256 _poolTokenAmount) internal {\n _burn(_recipient, _poolTokenAmount);\n uint256 poolTokenDealFormatted = _convertPoolToDeal(_poolTokenAmount, purchaseTokenDecimals);\n uint256 aelinFeeAmt = (poolTokenDealFormatted * AELIN_FEE) / BASE;\n uint256 sponsorFeeAmt = (poolTokenDealFormatted * sponsorFee) / BASE;\n\n aelinDeal.mint(sponsor, sponsorFeeAmt);\n aelinDeal.protocolMint(aelinFeeAmt);\n aelinDeal.mint(_recipient, poolTokenDealFormatted - (sponsorFeeAmt + aelinFeeAmt));\n IERC20(purchaseToken).safeTransfer(holder, _poolTokenAmount);\n emit AcceptDeal(_recipient, address(aelinDeal), _poolTokenAmount, sponsorFeeAmt, aelinFeeAmt);\n }\n\n /**\n * @dev allows anyone to become a purchaser by sending purchase tokens\n * in exchange for pool tokens\n *\n * Requirements:\n * - the deal is in the purchase expiry window\n * - the cap has not been exceeded\n */\n function purchasePoolTokens(uint256 _purchaseTokenAmount) external lock {\n require(block.timestamp < purchaseExpiry, \"not in purchase window\");\n require(!hasNftList, \"has NFT list\");\n if (hasAllowList) {\n require(_purchaseTokenAmount <= allowList[msg.sender], \"more than allocation\");\n allowList[msg.sender] -= _purchaseTokenAmount;\n }\n uint256 currentBalance = IERC20(purchaseToken).balanceOf(address(this));\n IERC20(purchaseToken).safeTransferFrom(msg.sender, address(this), _purchaseTokenAmount);\n uint256 balanceAfterTransfer = IERC20(purchaseToken).balanceOf(address(this));\n uint256 purchaseTokenAmount = balanceAfterTransfer - currentBalance;\n if (purchaseTokenCap > 0) {\n uint256 totalPoolAfter = totalSupply() + purchaseTokenAmount;\n require(totalPoolAfter <= purchaseTokenCap, \"cap has been exceeded\");\n if (totalPoolAfter == purchaseTokenCap) {\n purchaseExpiry = block.timestamp;\n }\n }\n\n _mint(msg.sender, purchaseTokenAmount);\n emit PurchasePoolToken(msg.sender, purchaseTokenAmount);\n }\n\n /**\n * @dev allows anyone to become a purchaser with a qualified erc721\n * nft in the pool depending on the scenarios\n *\n * Scenarios:\n * 1. each wallet holding a qualified NFT to deposit an unlimited amount of purchase tokens\n * 2. certain amount of purchase tokens per wallet regardless of the number of qualified NFTs held\n * 3. certain amount of Investment tokens per qualified NFT held\n */\n\n function purchasePoolTokensWithNft(NftPurchaseList[] calldata _nftPurchaseList, uint256 _purchaseTokenAmount)\n external\n lock\n {\n require(hasNftList, \"pool does not have an NFT list\");\n require(block.timestamp < purchaseExpiry, \"not in purchase window\");\n\n uint256 maxPurchaseTokenAmount;\n\n for (uint256 i; i < _nftPurchaseList.length; ++i) {\n NftPurchaseList memory nftPurchaseList = _nftPurchaseList[i];\n address collectionAddress = nftPurchaseList.collectionAddress;\n uint256[] memory tokenIds = nftPurchaseList.tokenIds;\n\n NftCollectionRules memory nftCollectionRules = nftCollectionDetails[collectionAddress];\n require(nftCollectionRules.collectionAddress == collectionAddress, \"collection not in the pool\");\n\n if (nftCollectionRules.purchaseAmountPerToken) {\n maxPurchaseTokenAmount += nftCollectionRules.purchaseAmount * tokenIds.length;\n }\n\n if (!nftCollectionRules.purchaseAmountPerToken && nftCollectionRules.purchaseAmount > 0) {\n require(!nftWalletUsedForPurchase[collectionAddress][msg.sender], \"wallet already used for nft set\");\n nftWalletUsedForPurchase[collectionAddress][msg.sender] = true;\n maxPurchaseTokenAmount += nftCollectionRules.purchaseAmount;\n }\n\n if (nftCollectionRules.purchaseAmount == 0) {\n maxPurchaseTokenAmount = _purchaseTokenAmount;\n }\n\n if (NftCheck.supports721(collectionAddress)) {\n _blackListCheck721(collectionAddress, tokenIds);\n }\n if (NftCheck.supports1155(collectionAddress)) {\n _eligibilityCheck1155(collectionAddress, tokenIds, nftCollectionRules);\n }\n if (collectionAddress == CRYPTO_PUNKS) {\n _blackListCheckPunks(collectionAddress, tokenIds);\n }\n }\n\n require(_purchaseTokenAmount <= maxPurchaseTokenAmount, \"purchase amount should be less the max allocation\");\n\n uint256 amountBefore = IERC20(purchaseToken).balanceOf(address(this));\n IERC20(purchaseToken).safeTransferFrom(msg.sender, address(this), _purchaseTokenAmount);\n uint256 amountAfter = IERC20(purchaseToken).balanceOf(address(this));\n uint256 purchaseTokenAmount = amountAfter - amountBefore;\n\n if (purchaseTokenCap > 0) {\n uint256 totalPoolAfter = totalSupply() + purchaseTokenAmount;\n require(totalPoolAfter <= purchaseTokenCap, \"cap has been exceeded\");\n if (totalPoolAfter == purchaseTokenCap) {\n purchaseExpiry = block.timestamp;\n }\n }\n\n _mint(msg.sender, purchaseTokenAmount);\n emit PurchasePoolToken(msg.sender, purchaseTokenAmount);\n }\n\n function _blackListCheck721(address _collectionAddress, uint256[] memory _tokenIds) internal {\n for (uint256 i; i < _tokenIds.length; ++i) {\n require(IERC721(_collectionAddress).ownerOf(_tokenIds[i]) == msg.sender, \"has to be the token owner\");\n require(!nftId[_collectionAddress][_tokenIds[i]], \"tokenId already used\");\n nftId[_collectionAddress][_tokenIds[i]] = true;\n emit BlacklistNFT(_collectionAddress, _tokenIds[i]);\n }\n }\n\n function _eligibilityCheck1155(\n address _collectionAddress,\n uint256[] memory _tokenIds,\n NftCollectionRules memory _nftCollectionRules\n ) internal view {\n for (uint256 i; i < _tokenIds.length; ++i) {\n require(nftId[_collectionAddress][_tokenIds[i]], \"tokenId not in the pool\");\n require(\n IERC1155(_collectionAddress).balanceOf(msg.sender, _tokenIds[i]) >= _nftCollectionRules.minTokensEligible[i],\n \"erc1155 balance too low\"\n );\n }\n }\n\n function _blackListCheckPunks(address _punksAddress, uint256[] memory _tokenIds) internal {\n for (uint256 i; i < _tokenIds.length; ++i) {\n require(ICryptoPunks(_punksAddress).punkIndexToAddress(_tokenIds[i]) == msg.sender, \"not the owner\");\n require(!nftId[_punksAddress][_tokenIds[i]], \"tokenId already used\");\n nftId[_punksAddress][_tokenIds[i]] = true;\n emit BlacklistNFT(_punksAddress, _tokenIds[i]);\n }\n }\n\n /**\n * @dev the withdraw and partial withdraw methods allow a purchaser to take their\n * purchase tokens back in exchange for pool tokens if they do not accept a deal\n *\n * Requirements:\n * - the pool has expired either due to the creation of a deal or the end of the duration\n */\n function withdrawMaxFromPool() external {\n _withdraw(balanceOf(msg.sender));\n }\n\n function withdrawFromPool(uint256 _purchaseTokenAmount) external {\n _withdraw(_purchaseTokenAmount);\n }\n\n /**\n * @dev purchasers can withdraw at the end of the pool expiry period if\n * no deal was presented or they can withdraw after the holder funding period\n * if they do not like a deal\n */\n function _withdraw(uint256 _purchaseTokenAmount) internal {\n require(_purchaseTokenAmount <= balanceOf(msg.sender), \"input larger than balance\");\n require(block.timestamp >= poolExpiry, \"not yet withdraw period\");\n if (holderFundingExpiry > 0) {\n require(block.timestamp > holderFundingExpiry || aelinDeal.depositComplete(), \"cant withdraw in funding period\");\n }\n amountWithdrawn[msg.sender] += _purchaseTokenAmount;\n totalAmountWithdrawn += _purchaseTokenAmount;\n _burn(msg.sender, _purchaseTokenAmount);\n IERC20(purchaseToken).safeTransfer(msg.sender, _purchaseTokenAmount);\n emit WithdrawFromPool(msg.sender, _purchaseTokenAmount);\n }\n\n /**\n * @dev view to see how much of the deal a purchaser can accept.\n */\n function maxDealAccept(address _purchaser) external view returns (uint256) {\n /**\n * The if statement is checking to see if the holder has not funded the deal\n * or if the period is outside of a redemption window so nothing is available.\n * It then checks if you are in the pro rata period and open period eligibility\n */\n\n (, uint256 proRataRedemptionStart, uint256 proRataRedemptionExpiry) = aelinDeal.proRataRedemption();\n (, uint256 openRedemptionStart, uint256 openRedemptionExpiry) = aelinDeal.openRedemption();\n\n if (\n holderFundingExpiry == 0 ||\n proRataRedemptionStart == 0 ||\n (block.timestamp >= proRataRedemptionExpiry && openRedemptionStart == 0) ||\n (block.timestamp >= openRedemptionExpiry && openRedemptionStart != 0)\n ) {\n return 0;\n } else if (block.timestamp < proRataRedemptionExpiry) {\n uint256 maxProRata = maxProRataAmount(_purchaser);\n return maxProRata > balanceOf(_purchaser) ? balanceOf(_purchaser) : maxProRata;\n } else if (!openPeriodEligible[_purchaser]) {\n return 0;\n } else {\n return _maxOpenAvail(_purchaser);\n }\n }\n\n modifier transferWindow() {\n (, uint256 proRataRedemptionStart, uint256 proRataRedemptionExpiry) = aelinDeal.proRataRedemption();\n (, uint256 openRedemptionStart, uint256 openRedemptionExpiry) = aelinDeal.openRedemption();\n\n require(\n proRataRedemptionStart == 0 ||\n (block.timestamp >= proRataRedemptionExpiry && openRedemptionStart == 0) ||\n (block.timestamp >= openRedemptionExpiry && openRedemptionStart != 0),\n \"no transfers in redeem window\"\n );\n _;\n }\n\n function transfer(address _dst, uint256 _amount) public virtual override transferWindow returns (bool) {\n return super.transfer(_dst, _amount);\n }\n\n function transferFrom(\n address _src,\n address _dst,\n uint256 _amount\n ) public virtual override transferWindow returns (bool) {\n return super.transferFrom(_src, _dst, _amount);\n }\n\n /**\n * @dev convert pool with varying decimals to deal tokens of 18 decimals\n * NOTE that a purchase token must not be greater than 18 decimals\n */\n function _convertPoolToDeal(uint256 _poolTokenAmount, uint256 _poolTokenDecimals) internal pure returns (uint256) {\n return _poolTokenAmount * 10**(18 - _poolTokenDecimals);\n }\n\n /**\n * @dev a function that any Ethereum address can call to vouch for a pool's legitimacy\n */\n function vouch() external {\n emit Vouch(msg.sender);\n }\n\n /**\n * @dev a function that any Ethereum address can call to disavow for a pool's legitimacy\n */\n function disavow() external {\n emit Disavow(msg.sender);\n }\n\n event SetSponsor(address indexed sponsor);\n event PurchasePoolToken(address indexed purchaser, uint256 purchaseTokenAmount);\n event WithdrawFromPool(address indexed purchaser, uint256 purchaseTokenAmount);\n event AcceptDeal(\n address indexed purchaser,\n address indexed dealAddress,\n uint256 poolTokenAmount,\n uint256 sponsorFee,\n uint256 aelinFee\n );\n event CreateDeal(string name, string symbol, address indexed sponsor, address indexed dealContract);\n event DealDetail(\n address indexed dealContract,\n address indexed underlyingDealToken,\n uint256 purchaseTokenTotalForDeal,\n uint256 underlyingDealTokenTotal,\n uint256 vestingPeriod,\n uint256 vestingCliff,\n uint256 proRataRedemptionPeriod,\n uint256 openRedemptionPeriod,\n address indexed holder,\n uint256 holderFundingDuration\n );\n event AllowlistAddress(address indexed purchaser, uint256 allowlistAmount);\n event PoolWith721(address indexed collectionAddress, uint256 purchaseAmount, bool purchaseAmountPerToken);\n event PoolWith1155(\n address indexed collectionAddress,\n uint256 purchaseAmount,\n bool purchaseAmountPerToken,\n uint256[] tokenIds,\n uint256[] minTokensEligible\n );\n event Vouch(address indexed voucher);\n event Disavow(address indexed voucher);\n event BlacklistNFT(address indexed collection, uint256 nftID);\n}\n"
},
"contracts/AelinDeal.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.6;\n\nimport \"./AelinERC20.sol\";\nimport \"./interfaces/IAelinDeal.sol\";\nimport \"./MinimalProxyFactory.sol\";\nimport \"./AelinFeeEscrow.sol\";\n\ncontract AelinDeal is AelinERC20, MinimalProxyFactory, IAelinDeal {\n using SafeERC20 for IERC20;\n uint256 public maxTotalSupply;\n\n address public underlyingDealToken;\n uint256 public underlyingDealTokenTotal;\n uint256 public totalUnderlyingClaimed;\n address public holder;\n address public futureHolder;\n address public aelinTreasuryAddress;\n\n uint256 public underlyingPerDealExchangeRate;\n\n address public aelinPool;\n uint256 public vestingCliffExpiry;\n uint256 public vestingCliffPeriod;\n uint256 public vestingPeriod;\n uint256 public vestingExpiry;\n uint256 public holderFundingExpiry;\n\n bool private calledInitialize;\n address public aelinEscrowAddress;\n AelinFeeEscrow public aelinFeeEscrow;\n\n bool public depositComplete;\n mapping(address => uint256) public amountVested;\n\n Timeline public openRedemption;\n Timeline public proRataRedemption;\n\n /**\n * @dev the constructor will always be blank due to the MinimalProxyFactory pattern\n * this allows the underlying logic of this contract to only be deployed once\n * and each new deal created is simply a storage wrapper\n */\n constructor() {}\n\n /**\n * @dev the initialize method replaces the constructor setup and can only be called once\n * NOTE the deal tokens wrapping the underlying are always 18 decimals\n */\n function initialize(\n string calldata _poolName,\n string calldata _poolSymbol,\n DealData calldata _dealData,\n address _aelinTreasuryAddress,\n address _aelinEscrowAddress\n ) external initOnce {\n _setNameSymbolAndDecimals(\n string(abi.encodePacked(\"aeDeal-\", _poolName)),\n string(abi.encodePacked(\"aeD-\", _poolSymbol)),\n DEAL_TOKEN_DECIMALS\n );\n\n holder = _dealData.holder;\n underlyingDealToken = _dealData.underlyingDealToken;\n underlyingDealTokenTotal = _dealData.underlyingDealTokenTotal;\n maxTotalSupply = _dealData.maxDealTotalSupply;\n\n aelinPool = msg.sender;\n vestingCliffPeriod = _dealData.vestingCliffPeriod;\n vestingPeriod = _dealData.vestingPeriod;\n proRataRedemption.period = _dealData.proRataRedemptionPeriod;\n openRedemption.period = _dealData.openRedemptionPeriod;\n holderFundingExpiry = _dealData.holderFundingDuration;\n aelinTreasuryAddress = _aelinTreasuryAddress;\n aelinEscrowAddress = _aelinEscrowAddress;\n\n depositComplete = false;\n\n /**\n * calculates the amount of underlying deal tokens you get per wrapped deal token accepted\n */\n underlyingPerDealExchangeRate = (_dealData.underlyingDealTokenTotal * 1e18) / maxTotalSupply;\n emit SetHolder(_dealData.holder);\n }\n\n modifier initOnce() {\n require(!calledInitialize, \"can only initialize once\");\n calledInitialize = true;\n _;\n }\n\n modifier finalizeDeposit() {\n require(block.timestamp < holderFundingExpiry, \"deposit past deadline\");\n require(!depositComplete, \"deposit already complete\");\n _;\n }\n\n /**\n * @dev the holder may change their address\n */\n function setHolder(address _holder) external onlyHolder {\n require(_holder != address(0));\n futureHolder = _holder;\n }\n\n function acceptHolder() external {\n require(msg.sender == futureHolder, \"only future holder can access\");\n holder = futureHolder;\n emit SetHolder(futureHolder);\n }\n\n /**\n * @dev the holder finalizes the deal for the pool created by the\n * sponsor by depositing funds using this method.\n *\n * NOTE if the deposit was completed with a transfer instead of this method\n * the deposit still needs to be finalized by calling this method with\n * _underlyingDealTokenAmount set to 0\n */\n function depositUnderlying(uint256 _underlyingDealTokenAmount) external finalizeDeposit lock returns (bool) {\n if (_underlyingDealTokenAmount > 0) {\n uint256 currentBalance = IERC20(underlyingDealToken).balanceOf(address(this));\n IERC20(underlyingDealToken).safeTransferFrom(msg.sender, address(this), _underlyingDealTokenAmount);\n uint256 balanceAfterTransfer = IERC20(underlyingDealToken).balanceOf(address(this));\n uint256 underlyingDealTokenAmount = balanceAfterTransfer - currentBalance;\n\n emit DepositDealToken(underlyingDealToken, msg.sender, underlyingDealTokenAmount);\n }\n\n if (IERC20(underlyingDealToken).balanceOf(address(this)) >= underlyingDealTokenTotal) {\n depositComplete = true;\n proRataRedemption.start = block.timestamp;\n proRataRedemption.expiry = block.timestamp + proRataRedemption.period;\n vestingCliffExpiry = block.timestamp + proRataRedemption.period + openRedemption.period + vestingCliffPeriod;\n vestingExpiry = vestingCliffExpiry + vestingPeriod;\n\n if (openRedemption.period > 0) {\n openRedemption.start = proRataRedemption.expiry;\n openRedemption.expiry = proRataRedemption.expiry + openRedemption.period;\n }\n\n address aelinEscrowStorageProxy = _cloneAsMinimalProxy(aelinEscrowAddress, \"Could not create new escrow\");\n aelinFeeEscrow = AelinFeeEscrow(aelinEscrowStorageProxy);\n aelinFeeEscrow.initialize(aelinTreasuryAddress, underlyingDealToken);\n\n emit DealFullyFunded(\n aelinPool,\n proRataRedemption.start,\n proRataRedemption.expiry,\n openRedemption.start,\n openRedemption.expiry\n );\n return true;\n }\n return false;\n }\n\n /**\n * @dev the holder can withdraw any amount accidentally deposited over\n * the amount needed to fulfill the deal or all amount if deposit was not completed\n */\n function withdraw() external onlyHolder {\n uint256 withdrawAmount;\n if (!depositComplete && block.timestamp >= holderFundingExpiry) {\n withdrawAmount = IERC20(underlyingDealToken).balanceOf(address(this));\n } else {\n withdrawAmount =\n IERC20(underlyingDealToken).balanceOf(address(this)) -\n (underlyingDealTokenTotal - totalUnderlyingClaimed);\n }\n IERC20(underlyingDealToken).safeTransfer(holder, withdrawAmount);\n emit WithdrawUnderlyingDealToken(underlyingDealToken, holder, withdrawAmount);\n }\n\n /**\n * @dev after the redemption period has ended the holder can withdraw\n * the excess funds remaining from purchasers who did not accept the deal\n *\n * Requirements:\n * - both the pro rata and open redemption windows are no longer active\n */\n function withdrawExpiry() external onlyHolder {\n require(proRataRedemption.expiry > 0, \"redemption period not started\");\n require(\n openRedemption.expiry > 0\n ? block.timestamp >= openRedemption.expiry\n : block.timestamp >= proRataRedemption.expiry,\n \"redeem window still active\"\n );\n uint256 withdrawAmount = IERC20(underlyingDealToken).balanceOf(address(this)) -\n ((underlyingPerDealExchangeRate * totalSupply()) / 1e18);\n IERC20(underlyingDealToken).safeTransfer(holder, withdrawAmount);\n emit WithdrawUnderlyingDealToken(underlyingDealToken, holder, withdrawAmount);\n }\n\n modifier onlyHolder() {\n require(msg.sender == holder, \"only holder can access\");\n _;\n }\n\n modifier onlyPool() {\n require(msg.sender == aelinPool, \"only AelinPool can access\");\n _;\n }\n\n /**\n * @dev a view showing the number of claimable deal tokens and the\n * amount of the underlying deal token a purchser gets in return\n */\n function claimableTokens(address purchaser)\n public\n view\n returns (uint256 underlyingClaimable, uint256 dealTokensClaimable)\n {\n underlyingClaimable = 0;\n dealTokensClaimable = 0;\n\n uint256 maxTime = block.timestamp > vestingExpiry ? vestingExpiry : block.timestamp;\n if (\n balanceOf(purchaser) > 0 &&\n (maxTime > vestingCliffExpiry || (maxTime == vestingCliffExpiry && vestingPeriod == 0))\n ) {\n uint256 timeElapsed = maxTime - vestingCliffExpiry;\n\n dealTokensClaimable = vestingPeriod == 0\n ? balanceOf(purchaser)\n : ((balanceOf(purchaser) + amountVested[purchaser]) * timeElapsed) / vestingPeriod - amountVested[purchaser];\n underlyingClaimable = (underlyingPerDealExchangeRate * dealTokensClaimable) / 1e18;\n }\n }\n\n /**\n * @dev allows a user to claim their underlying deal tokens or a partial amount\n * of their underlying tokens once they have vested according to the schedule\n * created by the sponsor\n */\n function claim() external returns (uint256) {\n return _claim(msg.sender);\n }\n\n function _claim(address recipient) internal returns (uint256) {\n (uint256 underlyingDealTokensClaimed, uint256 dealTokensClaimed) = claimableTokens(recipient);\n if (dealTokensClaimed > 0) {\n amountVested[recipient] += dealTokensClaimed;\n totalUnderlyingClaimed += underlyingDealTokensClaimed;\n _burn(recipient, dealTokensClaimed);\n IERC20(underlyingDealToken).safeTransfer(recipient, underlyingDealTokensClaimed);\n emit ClaimedUnderlyingDealToken(underlyingDealToken, recipient, underlyingDealTokensClaimed);\n }\n return dealTokensClaimed;\n }\n\n /**\n * @dev allows the purchaser to mint deal tokens. this method is also used\n * to send deal tokens to the sponsor. It may only be called from the pool\n * contract that created this deal\n */\n function mint(address dst, uint256 dealTokenAmount) external onlyPool {\n require(depositComplete, \"deposit not complete\");\n _mint(dst, dealTokenAmount);\n }\n\n /**\n * @dev allows the protocol to handle protocol fees coming in deal tokens.\n * It may only be called from the pool contract that created this deal\n */\n function protocolMint(uint256 dealTokenAmount) external onlyPool {\n require(depositComplete, \"deposit not complete\");\n uint256 underlyingProtocolFees = (underlyingPerDealExchangeRate * dealTokenAmount) / 1e18;\n IERC20(underlyingDealToken).safeTransfer(address(aelinFeeEscrow), underlyingProtocolFees);\n }\n\n modifier blockTransfer() {\n require(msg.sender == aelinTreasuryAddress, \"cannot transfer deal tokens\");\n _;\n }\n\n /**\n * @dev a function only the treasury can use so they can send both the all\n * unvested deal tokens as well as all the vested underlying deal tokens in a\n * single transaction for distribution to $AELIN stakers.\n */\n function treasuryTransfer(address recipient) external returns (bool) {\n require(msg.sender == aelinTreasuryAddress, \"only Rewards address can access\");\n (uint256 underlyingClaimable, uint256 claimableDealTokens) = claimableTokens(msg.sender);\n transfer(recipient, balanceOf(msg.sender) - claimableDealTokens);\n IERC20(underlyingDealToken).safeTransferFrom(msg.sender, recipient, underlyingClaimable);\n return true;\n }\n\n /**\n * @dev below are helpers for transferring deal tokens. NOTE the token holder transferring\n * the deal tokens must pay the gas to claim their vested tokens first, which will burn their vested deal\n * tokens. They must also pay for the receivers claim and burn any of their vested tokens in order to ensure\n * the claim calculation is always accurate for all parties in the system\n */\n function transferMax(address recipient) external blockTransfer returns (bool) {\n (, uint256 claimableDealTokens) = claimableTokens(msg.sender);\n return transfer(recipient, balanceOf(msg.sender) - claimableDealTokens);\n }\n\n function transferFromMax(address sender, address recipient) external blockTransfer returns (bool) {\n (, uint256 claimableDealTokens) = claimableTokens(sender);\n return transferFrom(sender, recipient, balanceOf(sender) - claimableDealTokens);\n }\n\n function transfer(address recipient, uint256 amount) public virtual override blockTransfer returns (bool) {\n _claim(msg.sender);\n _claim(recipient);\n return super.transfer(recipient, amount);\n }\n\n function transferFrom(\n address sender,\n address recipient,\n uint256 amount\n ) public virtual override blockTransfer returns (bool) {\n _claim(sender);\n _claim(recipient);\n return super.transferFrom(sender, recipient, amount);\n }\n\n event SetHolder(address indexed holder);\n event DealFullyFunded(\n address indexed poolAddress,\n uint256 proRataRedemptionStart,\n uint256 proRataRedemptionExpiry,\n uint256 openRedemptionStart,\n uint256 openRedemptionExpiry\n );\n event DepositDealToken(\n address indexed underlyingDealTokenAddress,\n address indexed depositor,\n uint256 underlyingDealTokenAmount\n );\n event WithdrawUnderlyingDealToken(\n address indexed underlyingDealTokenAddress,\n address indexed depositor,\n uint256 underlyingDealTokenAmount\n );\n event ClaimedUnderlyingDealToken(\n address indexed underlyingDealTokenAddress,\n address indexed recipient,\n uint256 underlyingDealTokensClaimed\n );\n}\n"
},
"contracts/interfaces/IAelinPool.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.6;\n\ninterface IAelinPool {\n struct PoolData {\n string name;\n string symbol;\n uint256 purchaseTokenCap;\n address purchaseToken;\n uint256 duration;\n uint256 sponsorFee;\n uint256 purchaseDuration;\n address[] allowListAddresses;\n uint256[] allowListAmounts;\n NftCollectionRules[] nftCollectionRules;\n }\n\n // collectionAddress should be unique, otherwise will override\n struct NftCollectionRules {\n // if 0, then unlimited purchase\n uint256 purchaseAmount;\n address collectionAddress;\n // if true, then `purchaseAmount` is per token\n // else `purchaseAmount` is per account regardless of the NFTs held\n bool purchaseAmountPerToken;\n // both variables below are only applicable for 1155\n uint256[] tokenIds;\n // min number of tokens required for participating\n uint256[] minTokensEligible;\n }\n\n struct NftPurchaseList {\n address collectionAddress;\n uint256[] tokenIds;\n }\n}\n"
},
"contracts/interfaces/ICryptoPunks.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0\npragma solidity 0.8.6;\n\ninterface ICryptoPunks {\n function balanceOf(address) external view returns (uint256);\n\n function punkIndexToAddress(uint256) external view returns (address);\n}\n"
},
"contracts/libraries/NftCheck.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.6;\n\nimport \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\nimport \"@openzeppelin/contracts/token/ERC1155/IERC1155.sol\";\nimport \"@openzeppelin/contracts/token/ERC721/IERC721.sol\";\n\nlibrary NftCheck {\n bytes4 public constant IERC165_ID = type(IERC165).interfaceId;\n bytes4 public constant IERC1155_ID = type(IERC1155).interfaceId;\n bytes4 public constant IERC721_ID = type(IERC721).interfaceId;\n\n function supports721(address collectionAddress) internal view returns(bool) {\n return _supportsInterface(collectionAddress, IERC721_ID);\n }\n\n function supports1155(address collectionAddress) internal view returns(bool) {\n return _supportsInterface(collectionAddress, IERC1155_ID);\n }\n\n function _supportsInterface(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}"
},
"contracts/AelinERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.6;\n\nimport {ERC20, IERC20} from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\n\ninterface IERC20Decimals {\n function decimals() external view returns (uint8);\n}\n\n/**\n * @dev a standard ERC20 contract that is extended with a few methods\n * described in detail below\n */\ncontract AelinERC20 is ERC20 {\n bool setInfo;\n /**\n * @dev Due to the constructor being empty for the MinimalProxy architecture we need\n * to set the name and symbol in the initializer which requires these custom variables\n */\n string private _custom_name;\n string private _custom_symbol;\n uint8 private _custom_decimals;\n bool private locked;\n uint8 constant DEAL_TOKEN_DECIMALS = 18;\n\n constructor() ERC20(\"\", \"\") {}\n\n modifier initInfoOnce() {\n require(!setInfo, \"can only initialize once\");\n _;\n }\n\n /**\n * @dev Due to the constructor being empty for the MinimalProxy architecture we need\n * to set the name, symbol, and decimals in the initializer which requires this\n * custom logic for name(), symbol(), decimals(), and _setNameSymbolAndDecimals()\n */\n function name() public view virtual override returns (string memory) {\n return _custom_name;\n }\n\n function symbol() public view virtual override returns (string memory) {\n return _custom_symbol;\n }\n\n function decimals() public view virtual override returns (uint8) {\n return _custom_decimals;\n }\n\n function _setNameSymbolAndDecimals(\n string memory _name,\n string memory _symbol,\n uint8 _decimals\n ) internal initInfoOnce returns (bool) {\n _custom_name = _name;\n _custom_symbol = _symbol;\n _custom_decimals = _decimals;\n setInfo = true;\n emit AelinToken(_name, _symbol, _decimals);\n return true;\n }\n\n /**\n * @dev Add this to prevent reentrancy attacks on purchasePoolTokens and depositUnderlying\n * source: https://quantstamp.com/blog/how-the-dforce-hacker-used-reentrancy-to-steal-25-million\n * uniswap implementation: https://github.com/Uniswap/v2-core/blob/master/contracts/UniswapV2Pair.sol#L31-L36\n */\n modifier lock() {\n require(!locked, \"AelinV1: LOCKED\");\n locked = true;\n _;\n locked = false;\n }\n\n event AelinToken(string name, string symbol, uint8 decimals);\n}\n"
},
"contracts/interfaces/IAelinDeal.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.6;\n\ninterface IAelinDeal {\n struct DealData {\n address underlyingDealToken;\n uint256 underlyingDealTokenTotal;\n uint256 vestingPeriod;\n uint256 vestingCliffPeriod;\n uint256 proRataRedemptionPeriod;\n uint256 openRedemptionPeriod;\n address holder;\n uint256 maxDealTotalSupply;\n uint256 holderFundingDuration;\n }\n\n struct Timeline {\n uint256 period;\n uint256 start;\n uint256 expiry;\n }\n}\n"
},
"contracts/MinimalProxyFactory.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.6.0 <0.8.7;\n\n// https://docs.synthetix.io/contracts/source/contracts/minimalproxyfactory\n// https://blog.openzeppelin.com/deep-dive-into-the-minimal-proxy-contract/\ncontract MinimalProxyFactory {\n function _cloneAsMinimalProxy(address _base, string memory _revertMsg) internal returns (address clone) {\n bytes memory createData = _generateMinimalProxyCreateData(_base);\n\n assembly {\n clone := create(\n 0, // no value\n add(createData, 0x20), // data\n 55 // data is always 55 bytes (10 constructor + 45 code)\n )\n }\n\n // If CREATE fails for some reason, address(0) is returned\n require(clone != address(0), _revertMsg);\n }\n\n function _generateMinimalProxyCreateData(address _base) internal pure returns (bytes memory) {\n return\n abi.encodePacked(\n //---- constructor -----\n bytes10(0x3d602d80600a3d3981f3),\n //---- proxy code -----\n bytes10(0x363d3d373d3d3d363d73),\n _base,\n bytes15(0x5af43d82803e903d91602b57fd5bf3)\n );\n }\n}\n"
},
"contracts/AelinFeeEscrow.sol": {
"content": "// SPDX-License-Identifier: MIT\npragma solidity 0.8.6;\n\nimport {IERC20} from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport {SafeERC20} from \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\n\ncontract AelinFeeEscrow {\n using SafeERC20 for IERC20;\n uint256 public vestingExpiry;\n address public treasury;\n address public futureTreasury;\n address public escrowedToken;\n\n bool private calledInitialize;\n\n /**\n * @dev the constructor will always be blank due to the MinimalProxyFactory pattern\n * this allows the underlying logic of this contract to only be deployed once\n * and each new escrow created is simply a storage wrapper\n */\n constructor() {}\n\n /**\n * @dev the treasury may change their address\n */\n function setTreasury(address _treasury) external onlyTreasury {\n require(_treasury != address(0));\n futureTreasury = _treasury;\n }\n\n function acceptTreasury() external {\n require(msg.sender == futureTreasury, \"only future treasury can access\");\n treasury = futureTreasury;\n emit SetTreasury(futureTreasury);\n }\n\n function initialize(address _treasury, address _escrowedToken) external initOnce {\n treasury = _treasury;\n vestingExpiry = block.timestamp;\n escrowedToken = _escrowedToken;\n emit InitializeEscrow(msg.sender, _treasury, vestingExpiry, escrowedToken);\n }\n\n modifier initOnce() {\n require(!calledInitialize, \"can only initialize once\");\n calledInitialize = true;\n _;\n }\n\n modifier onlyTreasury() {\n require(msg.sender == treasury, \"only treasury can access\");\n _;\n }\n\n function delayEscrow() external onlyTreasury {\n require(vestingExpiry < block.timestamp + 90 days, \"can only extend by 90 days\");\n vestingExpiry = block.timestamp + 90 days;\n emit DelayEscrow(vestingExpiry);\n }\n\n /**\n * @dev transfer all the escrow tokens to the treasury\n */\n function withdrawToken() external onlyTreasury {\n require(block.timestamp > vestingExpiry, \"cannot access funds yet\");\n uint256 balance = IERC20(escrowedToken).balanceOf(address(this));\n IERC20(escrowedToken).safeTransfer(treasury, balance);\n }\n\n event SetTreasury(address indexed treasury);\n event InitializeEscrow(\n address indexed dealAddress,\n address indexed treasury,\n uint256 vestingExpiry,\n address indexed escrowedToken\n );\n event DelayEscrow(uint256 vestingExpiry);\n}\n"
},
"@openzeppelin/contracts/token/ERC20/ERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n *\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n mapping(address => uint256) private _balances;\n\n mapping(address => mapping(address => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /**\n * @dev Sets the values for {name} and {symbol}.\n *\n * The default value of {decimals} is 18. To select a different value for\n * {decimals} you should overload it.\n *\n * All two of these values are immutable: they can only be set once during\n * construction.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev Returns the name of the token.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n *\n * Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the value {ERC20} uses, unless this function is\n * overridden;\n *\n * NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n */\n function decimals() public view virtual override returns (uint8) {\n return 18;\n }\n\n /**\n * @dev See {IERC20-totalSupply}.\n */\n function totalSupply() public view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /**\n * @dev See {IERC20-balanceOf}.\n */\n function balanceOf(address account) public view virtual override returns (uint256) {\n return _balances[account];\n }\n\n /**\n * @dev See {IERC20-transfer}.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - the caller must have a balance of at least `amount`.\n */\n function transfer(address to, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-allowance}.\n */\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function approve(address spender, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-transferFrom}.\n *\n * Emits an {Approval} event indicating the updated allowance. This is not\n * required by the EIP. See the note at the beginning of {ERC20}.\n *\n * NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n *\n * Requirements:\n *\n * - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `amount`.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual override returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, amount);\n _transfer(from, to, amount);\n return true;\n }\n\n /**\n * @dev Atomically increases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, _allowances[owner][spender] + addedValue);\n return true;\n }\n\n /**\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `spender` must have allowance for the caller of at least\n * `subtractedValue`.\n */\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n address owner = _msgSender();\n uint256 currentAllowance = _allowances[owner][spender];\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(owner, spender, currentAllowance - subtractedValue);\n }\n\n return true;\n }\n\n /**\n * @dev Moves `amount` of tokens from `sender` to `recipient`.\n *\n * This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n *\n * Emits a {Transfer} event.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n */\n function _transfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, amount);\n\n uint256 fromBalance = _balances[from];\n require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[from] = fromBalance - amount;\n }\n _balances[to] += amount;\n\n emit Transfer(from, to, amount);\n\n _afterTokenTransfer(from, to, amount);\n }\n\n /** @dev Creates `amount` tokens and assigns them to `account`, increasing\n * the total supply.\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function _mint(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: mint to the zero address\");\n\n _beforeTokenTransfer(address(0), account, amount);\n\n _totalSupply += amount;\n _balances[account] += amount;\n emit Transfer(address(0), account, amount);\n\n _afterTokenTransfer(address(0), account, amount);\n }\n\n /**\n * @dev Destroys `amount` tokens from `account`, reducing the\n * total supply.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n * - `account` must have at least `amount` tokens.\n */\n function _burn(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: burn from the zero address\");\n\n _beforeTokenTransfer(account, address(0), amount);\n\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n }\n _totalSupply -= amount;\n\n emit Transfer(account, address(0), amount);\n\n _afterTokenTransfer(account, address(0), amount);\n }\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n *\n * This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n */\n function _approve(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n /**\n * @dev Spend `amount` form the allowance of `owner` toward `spender`.\n *\n * Does not update the allowance amount in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Might emit an {Approval} event.\n */\n function _spendAllowance(\n address owner,\n address spender,\n uint256 amount\n ) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n unchecked {\n _approve(owner, spender, currentAllowance - amount);\n }\n }\n }\n\n /**\n * @dev Hook that is called before any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * will be transferred to `to`.\n * - when `from` is zero, `amount` tokens will be minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(\n address from,\n address to,\n uint256 amount\n ) internal virtual {}\n}\n"
},
"@openzeppelin/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) external returns (bool);\n\n /**\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"
},
"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20Metadata is IERC20 {\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"
},
"@openzeppelin/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"
},
"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\nimport \"../../../utils/Address.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n using Address for address;\n\n function safeTransfer(\n IERC20 token,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n }\n\n function safeTransferFrom(\n IERC20 token,\n address from,\n address to,\n uint256 value\n ) internal {\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n }\n\n /**\n * @dev Deprecated. This function has issues similar to the ones found in\n * {IERC20-approve}, and its usage is discouraged.\n *\n * Whenever possible, use {safeIncreaseAllowance} and\n * {safeDecreaseAllowance} instead.\n */\n function safeApprove(\n IERC20 token,\n address spender,\n uint256 value\n ) internal {\n // safeApprove should only be called when setting an initial allowance,\n // or when resetting it to zero. To increase and decrease it, use\n // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n require(\n (value == 0) || (token.allowance(address(this), spender) == 0),\n \"SafeERC20: approve from non-zero to non-zero allowance\"\n );\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n }\n\n function safeIncreaseAllowance(\n IERC20 token,\n address spender,\n uint256 value\n ) internal {\n uint256 newAllowance = token.allowance(address(this), spender) + value;\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n }\n\n function safeDecreaseAllowance(\n IERC20 token,\n address spender,\n uint256 value\n ) internal {\n unchecked {\n uint256 oldAllowance = token.allowance(address(this), spender);\n require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n uint256 newAllowance = oldAllowance - value;\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n }\n }\n\n /**\n * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n * on the return value: the return value is optional (but if data is returned, it must not be false).\n * @param token The token targeted by the call.\n * @param data The call data (encoded using abi.encode or one of its variants).\n */\n function _callOptionalReturn(IERC20 token, bytes memory data) private {\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\n // the target address contains contract code and also asserts for success in the low-level call.\n\n bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n if (returndata.length > 0) {\n // Return data is optional\n require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return 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 Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(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"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n *\n * _Available since v3.1._\n */\ninterface IERC1155 is IERC165 {\n /**\n * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.\n */\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n /**\n * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n * transfers.\n */\n event TransferBatch(\n address indexed operator,\n address indexed from,\n address indexed to,\n uint256[] ids,\n uint256[] values\n );\n\n /**\n * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n * `approved`.\n */\n event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n /**\n * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n *\n * If an {URI} event was emitted for `id`, the standard\n * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n * returned by {IERC1155MetadataURI-uri}.\n */\n event URI(string value, uint256 indexed id);\n\n /**\n * @dev Returns the amount of tokens of token type `id` owned by `account`.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function balanceOf(address account, uint256 id) external view returns (uint256);\n\n /**\n * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n *\n * Requirements:\n *\n * - `accounts` and `ids` must have the same length.\n */\n function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)\n external\n view\n returns (uint256[] memory);\n\n /**\n * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n *\n * Emits an {ApprovalForAll} event.\n *\n * Requirements:\n *\n * - `operator` cannot be the caller.\n */\n function setApprovalForAll(address operator, bool approved) external;\n\n /**\n * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n *\n * See {setApprovalForAll}.\n */\n function isApprovedForAll(address account, address operator) external view returns (bool);\n\n /**\n * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.\n *\n * Emits a {TransferSingle} event.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - If the caller is not `from`, it must 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"
},
"@openzeppelin/contracts/token/ERC721/IERC721.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\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"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
} |