Feature Tip: Add private address tag to any address under My Name Tag !
ERC-20
Overview
Max Total Supply
39,091.393133416102533567 aeUD-vLIZ
Holders
8
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Minimal Proxy Contract for 0x3618938a8734f05eb16b8c0c0c4186088b1e4b0e
Contract Name:
AelinUpFrontDeal
Compiler Version
v0.8.6+commit.11564f7e
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; import "./AelinERC20.sol"; import "./MinimalProxyFactory.sol"; import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; import {AelinDeal} from "./AelinDeal.sol"; import {AelinPool} from "./AelinPool.sol"; import {AelinFeeEscrow} from "./AelinFeeEscrow.sol"; import {IAelinUpFrontDeal} from "./interfaces/IAelinUpFrontDeal.sol"; import "./libraries/AelinNftGating.sol"; import "./libraries/AelinAllowList.sol"; import "./libraries/MerkleTree.sol"; contract AelinUpFrontDeal is AelinERC20, MinimalProxyFactory, IAelinUpFrontDeal { using SafeERC20 for IERC20; uint256 constant BASE = 100 * 10**18; uint256 constant MAX_SPONSOR_FEE = 15 * 10**18; uint256 constant AELIN_FEE = 2 * 10**18; UpFrontDealData public dealData; UpFrontDealConfig public dealConfig; address public aelinTreasuryAddress; address public aelinEscrowLogicAddress; AelinFeeEscrow public aelinFeeEscrow; address public dealFactory; MerkleTree.TrackClaimed private trackClaimed; AelinAllowList.AllowList public allowList; AelinNftGating.NftGatingData public nftGating; mapping(address => uint256) public purchaseTokensPerUser; mapping(address => uint256) public poolSharesPerUser; mapping(address => uint256) public amountVested; uint256 public totalPurchasingAccepted; uint256 public totalPoolShares; uint256 public totalUnderlyingClaimed; bool private underlyingDepositComplete; bool private sponsorClaimed; bool private holderClaimed; bool private feeEscrowClaimed; bool private calledInitialize; address public futureHolder; uint256 public dealStart; uint256 public purchaseExpiry; uint256 public vestingCliffExpiry; uint256 public vestingExpiry; /** * @dev initializes the contract configuration, called from the factory contract when creating a new Up Front Deal */ function initialize( UpFrontDealData calldata _dealData, UpFrontDealConfig calldata _dealConfig, AelinNftGating.NftCollectionRules[] calldata _nftCollectionRules, AelinAllowList.InitData calldata _allowListInit, address _aelinTreasuryAddress, address _aelinEscrowLogicAddress ) external initOnce { // pool initialization checks require(_dealData.purchaseToken != _dealData.underlyingDealToken, "purchase & underlying the same"); require(_dealData.purchaseToken != address(0), "cant pass null purchase address"); require(_dealData.underlyingDealToken != address(0), "cant pass null underlying address"); require(_dealData.holder != address(0), "cant pass null holder address"); require(_dealConfig.purchaseDuration >= 30 minutes && _dealConfig.purchaseDuration <= 30 days, "not within limit"); require(_dealData.sponsorFee <= MAX_SPONSOR_FEE, "exceeds max sponsor fee"); require(1825 days >= _dealConfig.vestingCliffPeriod, "max 5 year cliff"); require(1825 days >= _dealConfig.vestingPeriod, "max 5 year vesting"); require(_dealConfig.underlyingDealTokenTotal > 0, "must have nonzero deal tokens"); require(_dealConfig.purchaseTokenPerDealToken > 0, "invalid deal price"); uint8 underlyingTokenDecimals = IERC20Decimals(_dealData.underlyingDealToken).decimals(); if (_dealConfig.purchaseRaiseMinimum > 0) { uint256 _totalIntendedRaise = (_dealConfig.purchaseTokenPerDealToken * _dealConfig.underlyingDealTokenTotal) / 10**underlyingTokenDecimals; require(_totalIntendedRaise > 0, "intended raise too small"); require(_dealConfig.purchaseRaiseMinimum <= _totalIntendedRaise, "raise min > deal total"); } // store pool and deal details as state variables dealData = _dealData; dealConfig = _dealConfig; dealStart = block.timestamp; dealFactory = msg.sender; // the deal token has the same amount of decimals as the underlying deal token, // eventually making them 1:1 redeemable _setNameSymbolAndDecimals( string(abi.encodePacked("aeUpFrontDeal-", _dealData.name)), string(abi.encodePacked("aeUD-", _dealData.symbol)), underlyingTokenDecimals ); aelinEscrowLogicAddress = _aelinEscrowLogicAddress; aelinTreasuryAddress = _aelinTreasuryAddress; // Allow list logic // check if there's allowlist and amounts, // if yes, store it to `allowList` and emit a single event with the addresses and amounts AelinAllowList.initialize(_allowListInit, allowList); // NftCollection logic // check if the deal is nft gated // if yes, store it in `nftCollectionDetails` and `nftId` and emit respective events for 721 and 1155 AelinNftGating.initialize(_nftCollectionRules, nftGating); require(!(allowList.hasAllowList && nftGating.hasNftList), "cant have allow list & nft"); require(!(allowList.hasAllowList && dealData.merkleRoot != 0), "cant have allow list & merkle"); require(!(nftGating.hasNftList && dealData.merkleRoot != 0), "cant have nft & merkle"); require(!(bytes(dealData.ipfsHash).length == 0 && dealData.merkleRoot != 0), "merkle needs ipfs hash"); } function _startPurchasingPeriod( uint256 _purchaseDuration, uint256 _vestingCliffPeriod, uint256 _vestingPeriod ) internal { underlyingDepositComplete = true; purchaseExpiry = block.timestamp + _purchaseDuration; vestingCliffExpiry = purchaseExpiry + _vestingCliffPeriod; vestingExpiry = vestingCliffExpiry + _vestingPeriod; emit DealFullyFunded(address(this), block.timestamp, purchaseExpiry, vestingCliffExpiry, vestingExpiry); } modifier initOnce() { require(!calledInitialize, "can only init once"); calledInitialize = true; _; } /** * @dev method for holder to deposit underlying deal tokens * all underlying deal tokens must be deposited for the purchasing period to start * if tokens were deposited directly, this method must still be called to start the purchasing period * @param _depositUnderlyingAmount how many underlying tokens the holder will transfer to the contract */ function depositUnderlyingTokens(uint256 _depositUnderlyingAmount) public onlyHolder { address _underlyingDealToken = dealData.underlyingDealToken; require(IERC20(_underlyingDealToken).balanceOf(msg.sender) >= _depositUnderlyingAmount, "not enough balance"); require(!underlyingDepositComplete, "already deposited the total"); uint256 balanceBeforeTransfer = IERC20(_underlyingDealToken).balanceOf(address(this)); IERC20(_underlyingDealToken).safeTransferFrom(msg.sender, address(this), _depositUnderlyingAmount); uint256 balanceAfterTransfer = IERC20(_underlyingDealToken).balanceOf(address(this)); uint256 underlyingDealTokenAmount = balanceAfterTransfer - balanceBeforeTransfer; if (balanceAfterTransfer >= dealConfig.underlyingDealTokenTotal) { _startPurchasingPeriod(dealConfig.purchaseDuration, dealConfig.vestingCliffPeriod, dealConfig.vestingPeriod); } emit DepositDealToken(_underlyingDealToken, msg.sender, underlyingDealTokenAmount); } /** * @dev allows holder to withdraw any excess underlying deal tokens deposited to the contract */ function withdrawExcess() external onlyHolder { address _underlyingDealToken = dealData.underlyingDealToken; uint256 _underlyingDealTokenTotal = dealConfig.underlyingDealTokenTotal; uint256 currentBalance = IERC20(_underlyingDealToken).balanceOf(address(this)); require(currentBalance > _underlyingDealTokenTotal, "no excess to withdraw"); uint256 excessAmount = currentBalance - _underlyingDealTokenTotal; IERC20(_underlyingDealToken).safeTransfer(msg.sender, excessAmount); emit WithdrewExcess(address(this), excessAmount); } /** * @dev accept deal by depositing purchasing tokens which is converted to a mapping which stores the amount of * underlying purchased. pool shares have the same decimals as the underlying deal token * @param _nftPurchaseList NFTs to use for accepting the deal if deal is NFT gated * @param _merkleData Merkle Proof data to prove investors allocation * @param _purchaseTokenAmount how many purchase tokens will be used to purchase deal token shares */ function acceptDeal( AelinNftGating.NftPurchaseList[] calldata _nftPurchaseList, MerkleTree.UpFrontMerkleData calldata _merkleData, uint256 _purchaseTokenAmount ) external lock { require(underlyingDepositComplete, "deal token not deposited"); require(block.timestamp < purchaseExpiry, "not in purchase window"); address _purchaseToken = dealData.purchaseToken; uint256 _underlyingDealTokenTotal = dealConfig.underlyingDealTokenTotal; uint256 _purchaseTokenPerDealToken = dealConfig.purchaseTokenPerDealToken; require(IERC20(_purchaseToken).balanceOf(msg.sender) >= _purchaseTokenAmount, "not enough purchaseToken"); if (nftGating.hasNftList || _nftPurchaseList.length > 0) { AelinNftGating.purchaseDealTokensWithNft(_nftPurchaseList, nftGating, _purchaseTokenAmount); } else if (allowList.hasAllowList) { require(_purchaseTokenAmount <= allowList.amountPerAddress[msg.sender], "more than allocation"); allowList.amountPerAddress[msg.sender] -= _purchaseTokenAmount; } else if (dealData.merkleRoot != 0) { MerkleTree.purchaseMerkleAmount(_merkleData, trackClaimed, _purchaseTokenAmount, dealData.merkleRoot); } uint256 balanceBeforeTransfer = IERC20(_purchaseToken).balanceOf(address(this)); IERC20(_purchaseToken).safeTransferFrom(msg.sender, address(this), _purchaseTokenAmount); uint256 balanceAfterTransfer = IERC20(_purchaseToken).balanceOf(address(this)); uint256 purchaseTokenAmount = balanceAfterTransfer - balanceBeforeTransfer; totalPurchasingAccepted += purchaseTokenAmount; purchaseTokensPerUser[msg.sender] += purchaseTokenAmount; uint8 underlyingTokenDecimals = IERC20Decimals(dealData.underlyingDealToken).decimals(); uint256 poolSharesAmount; // this takes into account the decimal conversion between purchasing token and underlying deal token // pool shares having the same amount of decimals as underlying deal tokens poolSharesAmount = (purchaseTokenAmount * 10**underlyingTokenDecimals) / _purchaseTokenPerDealToken; require(poolSharesAmount > 0, "purchase amount too small"); // pool shares directly correspond to the amount of deal tokens that can be minted // pool shares held = deal tokens minted as long as no deallocation takes place totalPoolShares += poolSharesAmount; poolSharesPerUser[msg.sender] += poolSharesAmount; if (!dealConfig.allowDeallocation) { require(totalPoolShares <= _underlyingDealTokenTotal, "purchased amount > total"); } emit AcceptDeal( msg.sender, purchaseTokenAmount, purchaseTokensPerUser[msg.sender], poolSharesAmount, poolSharesPerUser[msg.sender] ); } /** * @dev purchaser calls to claim their deal tokens or refund if the minimum raise does not pass */ function purchaserClaim() public lock purchasingOver { require(poolSharesPerUser[msg.sender] > 0, "no pool shares to claim with"); address _purchaseToken = dealData.purchaseToken; uint256 _purchaseRaiseMinimum = dealConfig.purchaseRaiseMinimum; if (_purchaseRaiseMinimum == 0 || totalPurchasingAccepted > _purchaseRaiseMinimum) { uint256 _underlyingDealTokenTotal = dealConfig.underlyingDealTokenTotal; // Claim Deal Tokens bool deallocate = totalPoolShares > _underlyingDealTokenTotal; if (deallocate) { // adjust for deallocation and mint deal tokens uint256 adjustedDealTokensForUser = (((poolSharesPerUser[msg.sender] * _underlyingDealTokenTotal) / totalPoolShares) * (BASE - AELIN_FEE - dealData.sponsorFee)) / BASE; poolSharesPerUser[msg.sender] = 0; // refund any purchase tokens that got deallocated uint256 purchasingRefund = purchaseTokensPerUser[msg.sender] - ((purchaseTokensPerUser[msg.sender] * _underlyingDealTokenTotal) / totalPoolShares); purchaseTokensPerUser[msg.sender] = 0; uint256 precisionAdjustedRefund = purchasingRefund > IERC20(_purchaseToken).balanceOf(address(this)) ? IERC20(_purchaseToken).balanceOf(address(this)) : purchasingRefund; // mint deal tokens and transfer purchase token refund _mint(msg.sender, adjustedDealTokensForUser); IERC20(_purchaseToken).safeTransfer(msg.sender, precisionAdjustedRefund); emit ClaimDealTokens(msg.sender, adjustedDealTokensForUser, precisionAdjustedRefund); } else { // mint deal tokens when there is no deallocation uint256 adjustedDealTokensForUser = ((BASE - AELIN_FEE - dealData.sponsorFee) * poolSharesPerUser[msg.sender]) / BASE; poolSharesPerUser[msg.sender] = 0; purchaseTokensPerUser[msg.sender] = 0; _mint(msg.sender, adjustedDealTokensForUser); emit ClaimDealTokens(msg.sender, adjustedDealTokensForUser, 0); } } else { // Claim Refund uint256 currentBalance = purchaseTokensPerUser[msg.sender]; purchaseTokensPerUser[msg.sender] = 0; poolSharesPerUser[msg.sender] = 0; IERC20(_purchaseToken).safeTransfer(msg.sender, currentBalance); emit ClaimDealTokens(msg.sender, 0, currentBalance); } } /** * @dev sponsor calls once the purchasing period is over if the minimum raise has passed to claim * their share of deal tokens * NOTE also calls the claim for the protocol fee */ function sponsorClaim() public lock purchasingOver passMinimumRaise onlySponsor { require(!sponsorClaimed, "sponsor already claimed"); sponsorClaimed = true; address _sponsor = dealData.sponsor; uint256 _underlyingDealTokenTotal = dealConfig.underlyingDealTokenTotal; uint256 totalSold = totalPoolShares > _underlyingDealTokenTotal ? _underlyingDealTokenTotal : totalPoolShares; uint256 _sponsorFeeAmt = (totalSold * dealData.sponsorFee) / BASE; _mint(_sponsor, _sponsorFeeAmt); emit SponsorClaim(_sponsor, _sponsorFeeAmt); if (!feeEscrowClaimed) { feeEscrowClaim(); } } /** * @dev holder calls once purchasing period is over to claim their raise or * underlying deal tokens if the minimum raise has not passed * NOTE also calls the claim for the protocol fee */ function holderClaim() public lock purchasingOver onlyHolder { require(!holderClaimed, "holder already claimed"); holderClaimed = true; address _holder = dealData.holder; address _underlyingDealToken = dealData.underlyingDealToken; address _purchaseToken = dealData.purchaseToken; uint256 _purchaseRaiseMinimum = dealConfig.purchaseRaiseMinimum; if (_purchaseRaiseMinimum == 0 || totalPurchasingAccepted > _purchaseRaiseMinimum) { uint256 _underlyingDealTokenTotal = dealConfig.underlyingDealTokenTotal; bool deallocate = totalPoolShares > _underlyingDealTokenTotal; if (deallocate) { uint256 _underlyingTokenDecimals = IERC20Decimals(_underlyingDealToken).decimals(); uint256 _totalIntendedRaise = (dealConfig.purchaseTokenPerDealToken * _underlyingDealTokenTotal) / 10**_underlyingTokenDecimals; uint256 precisionAdjustedRaise = _totalIntendedRaise > IERC20(_purchaseToken).balanceOf(address(this)) ? IERC20(_purchaseToken).balanceOf(address(this)) : _totalIntendedRaise; IERC20(_purchaseToken).safeTransfer(_holder, precisionAdjustedRaise); emit HolderClaim(_holder, _purchaseToken, precisionAdjustedRaise, _underlyingDealToken, 0, block.timestamp); } else { // holder receives raise uint256 _currentBalance = IERC20(_purchaseToken).balanceOf(address(this)); IERC20(_purchaseToken).safeTransfer(_holder, _currentBalance); // holder receives any leftover underlying deal tokens uint256 _underlyingRefund = _underlyingDealTokenTotal - totalPoolShares; IERC20(_underlyingDealToken).safeTransfer(_holder, _underlyingRefund); emit HolderClaim( _holder, _purchaseToken, _currentBalance, _underlyingDealToken, _underlyingRefund, block.timestamp ); } if (!feeEscrowClaimed) { feeEscrowClaim(); } } else { uint256 _currentBalance = IERC20(_underlyingDealToken).balanceOf(address(this)); IERC20(_underlyingDealToken).safeTransfer(_holder, _currentBalance); emit HolderClaim(_holder, _purchaseToken, 0, _underlyingDealToken, _currentBalance, block.timestamp); } } /** * @dev transfers protocol fee of underlying deal tokens to the treasury escrow contract */ function feeEscrowClaim() public purchasingOver { if (!feeEscrowClaimed) { feeEscrowClaimed = true; address _underlyingDealToken = dealData.underlyingDealToken; uint256 _underlyingDealTokenTotal = dealConfig.underlyingDealTokenTotal; address aelinEscrowStorageProxy = _cloneAsMinimalProxy(aelinEscrowLogicAddress, "Could not create new escrow"); aelinFeeEscrow = AelinFeeEscrow(aelinEscrowStorageProxy); aelinFeeEscrow.initialize(aelinTreasuryAddress, _underlyingDealToken); uint256 totalSold; if (totalPoolShares > _underlyingDealTokenTotal) { totalSold = _underlyingDealTokenTotal; } else { totalSold = totalPoolShares; } uint256 aelinFeeAmt = (totalSold * AELIN_FEE) / BASE; IERC20(_underlyingDealToken).safeTransfer(address(aelinFeeEscrow), aelinFeeAmt); emit FeeEscrowClaim(aelinEscrowStorageProxy, _underlyingDealToken, aelinFeeAmt); } } /** * @dev purchaser calls after the purchasing period to claim underlying deal tokens * amount based on the vesting schedule */ function claimUnderlying() external lock purchasingOver passMinimumRaise { uint256 underlyingDealTokensClaimed = claimableUnderlyingTokens(msg.sender); require(underlyingDealTokensClaimed > 0, "no underlying ready to claim"); address _underlyingDealToken = dealData.underlyingDealToken; amountVested[msg.sender] += underlyingDealTokensClaimed; _burn(msg.sender, underlyingDealTokensClaimed); totalUnderlyingClaimed += underlyingDealTokensClaimed; IERC20(_underlyingDealToken).safeTransfer(msg.sender, underlyingDealTokensClaimed); emit ClaimedUnderlyingDealToken(msg.sender, _underlyingDealToken, underlyingDealTokensClaimed); } /** * @dev a view showing the amount of the underlying deal token a purchaser can claim * @param _purchaser address to check the quantity of claimable underlying tokens */ function claimableUnderlyingTokens(address _purchaser) public view purchasingOver returns (uint256) { uint256 _vestingPeriod = dealConfig.vestingPeriod; uint256 precisionAdjustedUnderlyingClaimable; uint256 maxTime = block.timestamp > vestingExpiry ? vestingExpiry : block.timestamp; if ( balanceOf(_purchaser) > 0 && (maxTime > vestingCliffExpiry || (maxTime == vestingCliffExpiry && _vestingPeriod == 0)) ) { uint256 timeElapsed = maxTime - vestingCliffExpiry; uint256 underlyingClaimable = _vestingPeriod == 0 ? balanceOf(_purchaser) : ((balanceOf(_purchaser) + amountVested[_purchaser]) * timeElapsed) / _vestingPeriod - amountVested[_purchaser]; // This could potentially be the case where the last user claims a slightly smaller amount if there is some precision loss // although it will generally never happen as solidity rounds down so there should always be a little bit left address _underlyingDealToken = dealData.underlyingDealToken; precisionAdjustedUnderlyingClaimable = underlyingClaimable > IERC20(_underlyingDealToken).balanceOf(address(this)) ? IERC20(_underlyingDealToken).balanceOf(address(this)) : underlyingClaimable; } return (precisionAdjustedUnderlyingClaimable); } /** * @dev the holder may change their address * @param _holder address to swap the holder role */ function setHolder(address _holder) external onlyHolder { futureHolder = _holder; } /** * @dev futurHolder can call to accept the role of holder */ function acceptHolder() external { require(msg.sender == futureHolder, "only future holder can access"); dealData.holder = futureHolder; emit SetHolder(futureHolder); } /** * @dev a function that any Ethereum address can call to vouch for a pool's legitimacy */ function vouch() external { emit Vouch(msg.sender); } /** * @dev a function that any Ethereum address can call to disavow for a pool's legitimacy */ function disavow() external { emit Disavow(msg.sender); } /** * @dev returns allow list information * @param _userAddress address to use in returning the amountPerAddress * @return address[] returns array of addresses included in the allow list * @return uint256[] returns array of allow list amounts for the address matching the index of allowListAddresses * @return uint256 allow list amount for _userAddress input * @return bool true if this deal has an allow list */ function getAllowList(address _userAddress) public view returns ( address[] memory, uint256[] memory, uint256, bool ) { return ( allowList.allowListAddresses, allowList.allowListAmounts, allowList.amountPerAddress[_userAddress], allowList.hasAllowList ); } /** * @dev returns NFT collection details for the input collection address * @param _collection NFT collection address to get the collection details for * @return uint256 purchase amount, if 0 then unlimited purchase * @return address collection address used for configuration * @return bool if true then purchase amount is per token, if false then purchase amount is per user * @return uint256[] for ERC1155, included token IDs for this collection * @return uint256[] for ERC1155, min number of tokens required for participating */ function getNftCollectionDetails(address _collection) public view returns ( uint256, address, bool, uint256[] memory, uint256[] memory ) { return ( nftGating.nftCollectionDetails[_collection].purchaseAmount, nftGating.nftCollectionDetails[_collection].collectionAddress, nftGating.nftCollectionDetails[_collection].purchaseAmountPerToken, nftGating.nftCollectionDetails[_collection].tokenIds, nftGating.nftCollectionDetails[_collection].minTokensEligible ); } /** * @dev returns various details about the NFT gating storage * @param _collection NFT collection address to check * @param _wallet user address to check * @param _nftId if _collection is ERC721 or CryptoPunks check if this ID has been used, if ERC1155 check if this ID is included * @return bool true if the _wallet has already been used to claim this _collection * @return bool if _collection is ERC721 or CryptoPunks true if this ID has been used, if ERC1155 true if this ID is included * @return bool returns hasNftList, true if this deal has a valid NFT gating list */ function getNftGatingDetails( address _collection, address _wallet, uint256 _nftId ) public view returns ( bool, bool, bool ) { return ( nftGating.nftWalletUsedForPurchase[_collection][_wallet], nftGating.nftId[_collection][_nftId], nftGating.hasNftList ); } /** * @dev getPurchaseTokensPerUser * @param _address address to check */ function getPurchaseTokensPerUser(address _address) public view returns (uint256) { return (purchaseTokensPerUser[_address]); } /** * @dev getPoolSharesPerUser * @param _address address to check */ function getPoolSharesPerUser(address _address) public view returns (uint256) { return (poolSharesPerUser[_address]); } /** * @dev getAmountVested * @param _address address to check */ function getAmountVested(address _address) public view returns (uint256) { return (amountVested[_address]); } /** * @dev hasPurchasedMerkle * @param _index index of leaf node/ address to check */ function hasPurchasedMerkle(uint256 _index) public view returns (bool) { return MerkleTree.hasPurchasedMerkle(trackClaimed, _index); } modifier onlyHolder() { require(msg.sender == dealData.holder, "must be holder"); _; } modifier onlySponsor() { require(msg.sender == dealData.sponsor, "must be sponsor"); _; } modifier purchasingOver() { require(underlyingDepositComplete, "underlying deposit incomplete"); require(block.timestamp > purchaseExpiry, "purchase period not over"); _; } modifier passMinimumRaise() { require( dealConfig.purchaseRaiseMinimum == 0 || totalPurchasingAccepted > dealConfig.purchaseRaiseMinimum, "does not pass min raise" ); _; } modifier blockTransfer() { require(false, "cant transfer deal tokens"); _; } function transfer(address _dst, uint256 _amount) public virtual override blockTransfer returns (bool) { return super.transfer(_dst, _amount); } function transferFrom( address _src, address _dst, uint256 _amount ) public virtual override blockTransfer returns (bool) { return super.transferFrom(_src, _dst, _amount); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; import {ERC20, IERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol"; interface IERC20Decimals { function decimals() external view returns (uint8); } /** * @dev a standard ERC20 contract that is extended with a few methods * described in detail below */ contract AelinERC20 is ERC20 { bool setInfo; /** * @dev Due to the constructor being empty for the MinimalProxy architecture we need * to set the name and symbol in the initializer which requires these custom variables */ string private _custom_name; string private _custom_symbol; uint8 private _custom_decimals; bool private locked; uint8 constant DEAL_TOKEN_DECIMALS = 18; constructor() ERC20("", "", DEAL_TOKEN_DECIMALS) {} modifier initInfoOnce() { require(!setInfo, "can only initialize once"); _; } /** * @dev Due to the constructor being empty for the MinimalProxy architecture we need * to set the name, symbol, and decimals in the initializer which requires this * custom logic for name(), symbol(), decimals(), and _setNameSymbolAndDecimals() */ function name() public view virtual override returns (string memory) { return _custom_name; } function symbol() public view virtual override returns (string memory) { return _custom_symbol; } function decimals() public view virtual override returns (uint8) { return _custom_decimals; } function _setNameSymbolAndDecimals( string memory _name, string memory _symbol, uint8 _decimals ) internal initInfoOnce returns (bool) { _custom_name = _name; _custom_symbol = _symbol; _custom_decimals = _decimals; setInfo = true; emit AelinToken(_name, _symbol, _decimals); return true; } /** * @dev Add this to prevent reentrancy attacks on purchasePoolTokens and depositUnderlying * source: https://quantstamp.com/blog/how-the-dforce-hacker-used-reentrancy-to-steal-25-million * uniswap implementation: https://github.com/Uniswap/v2-core/blob/master/contracts/UniswapV2Pair.sol#L31-L36 */ modifier lock() { require(!locked, "AelinV1: LOCKED"); locked = true; _; locked = false; } event AelinToken(string name, string symbol, uint8 decimals); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.7; // https://docs.synthetix.io/contracts/source/contracts/minimalproxyfactory // https://blog.openzeppelin.com/deep-dive-into-the-minimal-proxy-contract/ contract MinimalProxyFactory { function _cloneAsMinimalProxy(address _base, string memory _revertMsg) internal returns (address clone) { bytes memory createData = _generateMinimalProxyCreateData(_base); assembly { clone := create( 0, // no value add(createData, 0x20), // data 55 // data is always 55 bytes (10 constructor + 45 code) ) } // If CREATE fails for some reason, address(0) is returned require(clone != address(0), _revertMsg); } function _generateMinimalProxyCreateData(address _base) internal pure returns (bytes memory) { return abi.encodePacked( //---- constructor ----- bytes10(0x3d602d80600a3d3981f3), //---- proxy code ----- bytes10(0x363d3d373d3d3d363d73), _base, bytes15(0x5af43d82803e903d91602b57fd5bf3) ); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/draft-IERC20Permit.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The proofs can be generated using the JavaScript library * https://github.com/miguelmota/merkletreejs[merkletreejs]. * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled. * * See `test/utils/cryptography/MerkleProof.test.js` for some examples. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the merkle tree could be reinterpreted as a leaf value. */ library MerkleProof { /** * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree * defined by `root`. For this, a `proof` must be provided, containing * sibling hashes on the branch from the leaf to the root of the tree. Each * pair of leaves and each pair of pre-images are assumed to be sorted. */ function verify( bytes32[] memory proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProof(proof, leaf) == root; } /** * @dev Calldata version of {verify} * * _Available since v4.7._ */ function verifyCalldata( bytes32[] calldata proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProofCalldata(proof, leaf) == root; } /** * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt * hash matches the root of the tree. When processing the proof, the pairs * of leafs & pre-images are assumed to be sorted. * * _Available since v4.4._ */ function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Calldata version of {processProof} * * _Available since v4.7._ */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Returns true if the `leaves` can be proved to be a part of a Merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * _Available since v4.7._ */ function multiProofVerify( bytes32[] memory proof, bool[] memory proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * @dev Calldata version of {multiProofVerify} * * _Available since v4.7._ */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Returns the root of a tree reconstructed from `leaves` and the sibling nodes in `proof`, * consuming from one or the other at each step according to the instructions given by * `proofFlags`. * * _Available since v4.7._ */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Calldata version of {processMultiProof} * * _Available since v4.7._ */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the merkle tree. uint256 leavesLen = leaves.length; uint256 totalHashes = proofFlags.length; // Check proof validity. require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof"); // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { return hashes[totalHashes - 1]; } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { /// @solidity memory-safe-assembly assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; import "./AelinERC20.sol"; import "./interfaces/IAelinDeal.sol"; import "./MinimalProxyFactory.sol"; import "./AelinFeeEscrow.sol"; contract AelinDeal is AelinERC20, MinimalProxyFactory, IAelinDeal { using SafeERC20 for IERC20; uint256 public maxTotalSupply; address public underlyingDealToken; uint256 public underlyingDealTokenTotal; uint256 public totalUnderlyingClaimed; address public holder; address public futureHolder; address public aelinTreasuryAddress; uint256 public underlyingPerDealExchangeRate; address public aelinPool; uint256 public vestingCliffExpiry; uint256 public vestingCliffPeriod; uint256 public vestingPeriod; uint256 public vestingExpiry; uint256 public holderFundingExpiry; bool private calledInitialize; address public aelinEscrowAddress; AelinFeeEscrow public aelinFeeEscrow; bool public depositComplete; mapping(address => uint256) public amountVested; Timeline public openRedemption; Timeline public proRataRedemption; /** * @dev the constructor will always be blank due to the MinimalProxyFactory pattern * this allows the underlying logic of this contract to only be deployed once * and each new deal created is simply a storage wrapper */ constructor() {} /** * @dev the initialize method replaces the constructor setup and can only be called once * NOTE the deal tokens wrapping the underlying are always 18 decimals */ function initialize( string calldata _poolName, string calldata _poolSymbol, DealData calldata _dealData, address _aelinTreasuryAddress, address _aelinEscrowAddress ) external initOnce { _setNameSymbolAndDecimals( string(abi.encodePacked("aeDeal-", _poolName)), string(abi.encodePacked("aeD-", _poolSymbol)), DEAL_TOKEN_DECIMALS ); holder = _dealData.holder; underlyingDealToken = _dealData.underlyingDealToken; underlyingDealTokenTotal = _dealData.underlyingDealTokenTotal; maxTotalSupply = _dealData.maxDealTotalSupply; aelinPool = msg.sender; vestingCliffPeriod = _dealData.vestingCliffPeriod; vestingPeriod = _dealData.vestingPeriod; proRataRedemption.period = _dealData.proRataRedemptionPeriod; openRedemption.period = _dealData.openRedemptionPeriod; holderFundingExpiry = _dealData.holderFundingDuration; aelinTreasuryAddress = _aelinTreasuryAddress; aelinEscrowAddress = _aelinEscrowAddress; depositComplete = false; /** * calculates the amount of underlying deal tokens you get per wrapped deal token accepted */ underlyingPerDealExchangeRate = (_dealData.underlyingDealTokenTotal * 1e18) / maxTotalSupply; emit SetHolder(_dealData.holder); } modifier initOnce() { require(!calledInitialize, "can only initialize once"); calledInitialize = true; _; } modifier finalizeDeposit() { require(block.timestamp < holderFundingExpiry, "deposit past deadline"); require(!depositComplete, "deposit already complete"); _; } /** * @dev the holder may change their address */ function setHolder(address _holder) external onlyHolder { require(_holder != address(0)); futureHolder = _holder; } function acceptHolder() external { require(msg.sender == futureHolder, "only future holder can access"); holder = futureHolder; emit SetHolder(futureHolder); } /** * @dev the holder finalizes the deal for the pool created by the * sponsor by depositing funds using this method. * * NOTE if the deposit was completed with a transfer instead of this method * the deposit still needs to be finalized by calling this method with * _underlyingDealTokenAmount set to 0 */ function depositUnderlying(uint256 _underlyingDealTokenAmount) external finalizeDeposit lock returns (bool) { if (_underlyingDealTokenAmount > 0) { uint256 currentBalance = IERC20(underlyingDealToken).balanceOf(address(this)); IERC20(underlyingDealToken).safeTransferFrom(msg.sender, address(this), _underlyingDealTokenAmount); uint256 balanceAfterTransfer = IERC20(underlyingDealToken).balanceOf(address(this)); uint256 underlyingDealTokenAmount = balanceAfterTransfer - currentBalance; emit DepositDealToken(underlyingDealToken, msg.sender, underlyingDealTokenAmount); } if (IERC20(underlyingDealToken).balanceOf(address(this)) >= underlyingDealTokenTotal) { depositComplete = true; proRataRedemption.start = block.timestamp; proRataRedemption.expiry = block.timestamp + proRataRedemption.period; vestingCliffExpiry = block.timestamp + proRataRedemption.period + openRedemption.period + vestingCliffPeriod; vestingExpiry = vestingCliffExpiry + vestingPeriod; if (openRedemption.period > 0) { openRedemption.start = proRataRedemption.expiry; openRedemption.expiry = proRataRedemption.expiry + openRedemption.period; } address aelinEscrowStorageProxy = _cloneAsMinimalProxy(aelinEscrowAddress, "Could not create new escrow"); aelinFeeEscrow = AelinFeeEscrow(aelinEscrowStorageProxy); aelinFeeEscrow.initialize(aelinTreasuryAddress, underlyingDealToken); emit DealFullyFunded( aelinPool, proRataRedemption.start, proRataRedemption.expiry, openRedemption.start, openRedemption.expiry ); return true; } return false; } /** * @dev the holder can withdraw any amount accidentally deposited over * the amount needed to fulfill the deal or all amount if deposit was not completed */ function withdraw() external onlyHolder { uint256 withdrawAmount; if (!depositComplete && block.timestamp >= holderFundingExpiry) { withdrawAmount = IERC20(underlyingDealToken).balanceOf(address(this)); } else { withdrawAmount = IERC20(underlyingDealToken).balanceOf(address(this)) - (underlyingDealTokenTotal - totalUnderlyingClaimed); } IERC20(underlyingDealToken).safeTransfer(holder, withdrawAmount); emit WithdrawUnderlyingDealToken(underlyingDealToken, holder, withdrawAmount); } /** * @dev after the redemption period has ended the holder can withdraw * the excess funds remaining from purchasers who did not accept the deal * * Requirements: * - both the pro rata and open redemption windows are no longer active */ function withdrawExpiry() external onlyHolder { require(proRataRedemption.expiry > 0, "redemption period not started"); require( openRedemption.expiry > 0 ? block.timestamp >= openRedemption.expiry : block.timestamp >= proRataRedemption.expiry, "redeem window still active" ); uint256 withdrawAmount = IERC20(underlyingDealToken).balanceOf(address(this)) - ((underlyingPerDealExchangeRate * totalSupply()) / 1e18); IERC20(underlyingDealToken).safeTransfer(holder, withdrawAmount); emit WithdrawUnderlyingDealToken(underlyingDealToken, holder, withdrawAmount); } modifier onlyHolder() { require(msg.sender == holder, "only holder can access"); _; } modifier onlyPool() { require(msg.sender == aelinPool, "only AelinPool can access"); _; } /** * @dev a view showing the number of claimable deal tokens and the * amount of the underlying deal token a purchser gets in return */ function claimableTokens(address purchaser) public view returns (uint256 underlyingClaimable, uint256 dealTokensClaimable) { underlyingClaimable = 0; dealTokensClaimable = 0; uint256 maxTime = block.timestamp > vestingExpiry ? vestingExpiry : block.timestamp; if ( balanceOf(purchaser) > 0 && (maxTime > vestingCliffExpiry || (maxTime == vestingCliffExpiry && vestingPeriod == 0)) ) { uint256 timeElapsed = maxTime - vestingCliffExpiry; dealTokensClaimable = vestingPeriod == 0 ? balanceOf(purchaser) : ((balanceOf(purchaser) + amountVested[purchaser]) * timeElapsed) / vestingPeriod - amountVested[purchaser]; underlyingClaimable = (underlyingPerDealExchangeRate * dealTokensClaimable) / 1e18; } } /** * @dev allows a user to claim their underlying deal tokens or a partial amount * of their underlying tokens once they have vested according to the schedule * created by the sponsor */ function claim() external returns (uint256) { return _claim(msg.sender); } function _claim(address recipient) internal returns (uint256) { (uint256 underlyingDealTokensClaimed, uint256 dealTokensClaimed) = claimableTokens(recipient); if (dealTokensClaimed > 0) { amountVested[recipient] += dealTokensClaimed; totalUnderlyingClaimed += underlyingDealTokensClaimed; _burn(recipient, dealTokensClaimed); IERC20(underlyingDealToken).safeTransfer(recipient, underlyingDealTokensClaimed); emit ClaimedUnderlyingDealToken(underlyingDealToken, recipient, underlyingDealTokensClaimed); } return dealTokensClaimed; } /** * @dev allows the purchaser to mint deal tokens. this method is also used * to send deal tokens to the sponsor. It may only be called from the pool * contract that created this deal */ function mint(address dst, uint256 dealTokenAmount) external onlyPool { require(depositComplete, "deposit not complete"); _mint(dst, dealTokenAmount); } /** * @dev allows the protocol to handle protocol fees coming in deal tokens. * It may only be called from the pool contract that created this deal */ function protocolMint(uint256 dealTokenAmount) external onlyPool { require(depositComplete, "deposit not complete"); uint256 underlyingProtocolFees = (underlyingPerDealExchangeRate * dealTokenAmount) / 1e18; IERC20(underlyingDealToken).safeTransfer(address(aelinFeeEscrow), underlyingProtocolFees); } modifier blockTransfer() { require(msg.sender == aelinTreasuryAddress, "cannot transfer deal tokens"); _; } /** * @dev a function only the treasury can use so they can send both the all * unvested deal tokens as well as all the vested underlying deal tokens in a * single transaction for distribution to $AELIN stakers. */ function treasuryTransfer(address recipient) external returns (bool) { require(msg.sender == aelinTreasuryAddress, "only Rewards address can access"); (uint256 underlyingClaimable, uint256 claimableDealTokens) = claimableTokens(msg.sender); transfer(recipient, balanceOf(msg.sender) - claimableDealTokens); IERC20(underlyingDealToken).safeTransferFrom(msg.sender, recipient, underlyingClaimable); return true; } /** * @dev below are helpers for transferring deal tokens. NOTE the token holder transferring * the deal tokens must pay the gas to claim their vested tokens first, which will burn their vested deal * tokens. They must also pay for the receivers claim and burn any of their vested tokens in order to ensure * the claim calculation is always accurate for all parties in the system */ function transferMax(address recipient) external blockTransfer returns (bool) { (, uint256 claimableDealTokens) = claimableTokens(msg.sender); return transfer(recipient, balanceOf(msg.sender) - claimableDealTokens); } function transferFromMax(address sender, address recipient) external blockTransfer returns (bool) { (, uint256 claimableDealTokens) = claimableTokens(sender); return transferFrom(sender, recipient, balanceOf(sender) - claimableDealTokens); } function transfer(address recipient, uint256 amount) public virtual override blockTransfer returns (bool) { _claim(msg.sender); _claim(recipient); return super.transfer(recipient, amount); } function transferFrom( address sender, address recipient, uint256 amount ) public virtual override blockTransfer returns (bool) { _claim(sender); _claim(recipient); return super.transferFrom(sender, recipient, amount); } event SetHolder(address indexed holder); event DealFullyFunded( address indexed poolAddress, uint256 proRataRedemptionStart, uint256 proRataRedemptionExpiry, uint256 openRedemptionStart, uint256 openRedemptionExpiry ); event DepositDealToken( address indexed underlyingDealTokenAddress, address indexed depositor, uint256 underlyingDealTokenAmount ); event WithdrawUnderlyingDealToken( address indexed underlyingDealTokenAddress, address indexed depositor, uint256 underlyingDealTokenAmount ); event ClaimedUnderlyingDealToken( address indexed underlyingDealTokenAddress, address indexed recipient, uint256 underlyingDealTokensClaimed ); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; import "./AelinDeal.sol"; import "./interfaces/IAelinPool.sol"; import "./interfaces/ICryptoPunks.sol"; import "./libraries/NftCheck.sol"; contract AelinPool is AelinERC20, MinimalProxyFactory, IAelinPool { using SafeERC20 for IERC20; address constant CRYPTO_PUNKS = address(0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB); uint256 constant BASE = 100 * 10**18; uint256 constant MAX_SPONSOR_FEE = 15 * 10**18; uint256 constant AELIN_FEE = 2 * 10**18; uint8 constant MAX_DEALS = 5; uint8 public numberOfDeals; uint8 public purchaseTokenDecimals; address public purchaseToken; uint256 public purchaseTokenCap; uint256 public proRataConversion; uint256 public sponsorFee; address public sponsor; address public futureSponsor; address public poolFactory; uint256 public purchaseExpiry; uint256 public poolExpiry; uint256 public holderFundingExpiry; uint256 public totalAmountAccepted; uint256 public totalAmountWithdrawn; uint256 public purchaseTokenTotalForDeal; bool private calledInitialize; address public aelinTreasuryAddress; address public aelinDealLogicAddress; address public aelinEscrowLogicAddress; AelinDeal public aelinDeal; address public holder; mapping(address => uint256) public amountAccepted; mapping(address => uint256) public amountWithdrawn; mapping(address => bool) public openPeriodEligible; mapping(address => uint256) public allowList; // collectionAddress -> NftCollectionRules struct mapping(address => NftCollectionRules) public nftCollectionDetails; // collectionAddress -> walletAddress -> bool mapping(address => mapping(address => bool)) public nftWalletUsedForPurchase; // collectionAddress -> tokenId -> bool /** * @dev For 721, it is used for blacklisting the tokenId of a collection * and for 1155, it is used for identifying the eligible tokenIds for * participating in the pool */ mapping(address => mapping(uint256 => bool)) public nftId; bool public hasNftList; bool public hasAllowList; string private storedName; string private storedSymbol; /** * @dev the constructor will always be blank due to the MinimalProxyFactory pattern * this allows the underlying logic of this contract to only be deployed once * and each new pool created is simply a storage wrapper */ constructor() {} /** * @dev the initialize method replaces the constructor setup and can only be called once * * Requirements: * - max 1 year duration * - purchase expiry can be set from 30 minutes to 30 days * - max sponsor fee is 15000 representing 15% */ function initialize( PoolData calldata _poolData, address _sponsor, address _aelinDealLogicAddress, address _aelinTreasuryAddress, address _aelinEscrowLogicAddress ) external initOnce { require( 30 minutes <= _poolData.purchaseDuration && 30 days >= _poolData.purchaseDuration, "outside purchase expiry window" ); require(365 days >= _poolData.duration, "max 1 year duration"); require(_poolData.sponsorFee <= MAX_SPONSOR_FEE, "exceeds max sponsor fee"); purchaseTokenDecimals = IERC20Decimals(_poolData.purchaseToken).decimals(); require(purchaseTokenDecimals <= DEAL_TOKEN_DECIMALS, "too many token decimals"); storedName = _poolData.name; storedSymbol = _poolData.symbol; poolFactory = msg.sender; _setNameSymbolAndDecimals( string(abi.encodePacked("aePool-", _poolData.name)), string(abi.encodePacked("aeP-", _poolData.symbol)), purchaseTokenDecimals ); purchaseTokenCap = _poolData.purchaseTokenCap; purchaseToken = _poolData.purchaseToken; purchaseExpiry = block.timestamp + _poolData.purchaseDuration; poolExpiry = purchaseExpiry + _poolData.duration; sponsorFee = _poolData.sponsorFee; sponsor = _sponsor; aelinEscrowLogicAddress = _aelinEscrowLogicAddress; aelinDealLogicAddress = _aelinDealLogicAddress; aelinTreasuryAddress = _aelinTreasuryAddress; address[] memory allowListAddresses = _poolData.allowListAddresses; uint256[] memory allowListAmounts = _poolData.allowListAmounts; if (allowListAddresses.length > 0 || allowListAmounts.length > 0) { require( allowListAddresses.length == allowListAmounts.length, "allowListAddresses and allowListAmounts arrays should have the same length" ); for (uint256 i; i < allowListAddresses.length; ++i) { allowList[allowListAddresses[i]] = allowListAmounts[i]; emit AllowlistAddress(allowListAddresses[i], allowListAmounts[i]); } hasAllowList = true; } NftCollectionRules[] memory nftCollectionRules = _poolData.nftCollectionRules; if (nftCollectionRules.length > 0) { // if the first address supports punks or 721, the entire pool only supports 721 or punks if ( nftCollectionRules[0].collectionAddress == CRYPTO_PUNKS || NftCheck.supports721(nftCollectionRules[0].collectionAddress) ) { for (uint256 i; i < nftCollectionRules.length; ++i) { require( nftCollectionRules[i].collectionAddress == CRYPTO_PUNKS || NftCheck.supports721(nftCollectionRules[i].collectionAddress), "can only contain 721" ); nftCollectionDetails[nftCollectionRules[i].collectionAddress] = nftCollectionRules[i]; emit PoolWith721( nftCollectionRules[i].collectionAddress, nftCollectionRules[i].purchaseAmount, nftCollectionRules[i].purchaseAmountPerToken ); } hasNftList = true; } // if the first address supports 1155, the entire pool only supports 1155 else if (NftCheck.supports1155(nftCollectionRules[0].collectionAddress)) { for (uint256 i; i < nftCollectionRules.length; ++i) { require(NftCheck.supports1155(nftCollectionRules[i].collectionAddress), "can only contain 1155"); nftCollectionDetails[nftCollectionRules[i].collectionAddress] = nftCollectionRules[i]; for (uint256 j; j < nftCollectionRules[i].tokenIds.length; ++j) { nftId[nftCollectionRules[i].collectionAddress][nftCollectionRules[i].tokenIds[j]] = true; } emit PoolWith1155( nftCollectionRules[i].collectionAddress, nftCollectionRules[i].purchaseAmount, nftCollectionRules[i].purchaseAmountPerToken, nftCollectionRules[i].tokenIds, nftCollectionRules[i].minTokensEligible ); } hasNftList = true; } else { revert("collection is not compatible"); } } emit SetSponsor(_sponsor); } modifier dealReady() { if (holderFundingExpiry > 0) { require(!aelinDeal.depositComplete() && block.timestamp >= holderFundingExpiry, "cant create new deal"); } _; } modifier initOnce() { require(!calledInitialize, "can only initialize once"); calledInitialize = true; _; } modifier onlySponsor() { require(msg.sender == sponsor, "only sponsor can access"); _; } modifier dealFunded() { require(holderFundingExpiry > 0 && aelinDeal.depositComplete(), "deal not yet funded"); _; } /** * @dev the sponsor may change addresses */ function setSponsor(address _sponsor) external onlySponsor { require(_sponsor != address(0)); futureSponsor = _sponsor; } function acceptSponsor() external { require(msg.sender == futureSponsor, "only future sponsor can access"); sponsor = futureSponsor; emit SetSponsor(futureSponsor); } /** * @dev only the sponsor can create a deal. The deal must be funded by the holder * of the underlying deal token before a purchaser may accept the deal. If the * holder does not fund the deal before the expiry period is over then the sponsor * can create a new deal for the pool of capital by calling this method again. * * Requirements: * - The purchase expiry period must be over * - the holder funding expiry period must be from 30 minutes to 30 days * - the pro rata redemption period must be from 30 minutes to 30 days * - the purchase token total for the deal that may be accepted must be <= the funds in the pool * - if the pro rata conversion ratio (purchase token total for the deal:funds in pool) * is 1:1 then the open redemption period must be 0, * otherwise the open period is from 30 minutes to 30 days */ function createDeal( address _underlyingDealToken, uint256 _purchaseTokenTotalForDeal, uint256 _underlyingDealTokenTotal, uint256 _vestingPeriod, uint256 _vestingCliffPeriod, uint256 _proRataRedemptionPeriod, uint256 _openRedemptionPeriod, address _holder, uint256 _holderFundingDuration ) external onlySponsor dealReady returns (address) { require(numberOfDeals < MAX_DEALS, "too many deals"); require(_holder != address(0), "cant pass null holder address"); require(_underlyingDealToken != address(0), "cant pass null token address"); require(block.timestamp >= purchaseExpiry, "pool still in purchase mode"); require( 30 minutes <= _proRataRedemptionPeriod && 30 days >= _proRataRedemptionPeriod, "30 mins - 30 days for prorata" ); require(1825 days >= _vestingCliffPeriod, "max 5 year cliff"); require(1825 days >= _vestingPeriod, "max 5 year vesting"); require(30 minutes <= _holderFundingDuration && 30 days >= _holderFundingDuration, "30 mins - 30 days for holder"); require(_purchaseTokenTotalForDeal <= totalSupply(), "not enough funds available"); proRataConversion = (_purchaseTokenTotalForDeal * 1e18) / totalSupply(); if (proRataConversion == 1e18) { require(0 minutes == _openRedemptionPeriod, "deal is 1:1, set open to 0"); } else { require(30 minutes <= _openRedemptionPeriod && 30 days >= _openRedemptionPeriod, "30 mins - 30 days for open"); } numberOfDeals += 1; poolExpiry = block.timestamp; holder = _holder; holderFundingExpiry = block.timestamp + _holderFundingDuration; purchaseTokenTotalForDeal = _purchaseTokenTotalForDeal; uint256 maxDealTotalSupply = _convertPoolToDeal(_purchaseTokenTotalForDeal, purchaseTokenDecimals); address aelinDealStorageProxy = _cloneAsMinimalProxy(aelinDealLogicAddress, "Could not create new deal"); aelinDeal = AelinDeal(aelinDealStorageProxy); IAelinDeal.DealData memory dealData = IAelinDeal.DealData( _underlyingDealToken, _underlyingDealTokenTotal, _vestingPeriod, _vestingCliffPeriod, _proRataRedemptionPeriod, _openRedemptionPeriod, _holder, maxDealTotalSupply, holderFundingExpiry ); aelinDeal.initialize(storedName, storedSymbol, dealData, aelinTreasuryAddress, aelinEscrowLogicAddress); emit CreateDeal( string(abi.encodePacked("aeDeal-", storedName)), string(abi.encodePacked("aeD-", storedSymbol)), sponsor, aelinDealStorageProxy ); emit DealDetail( aelinDealStorageProxy, _underlyingDealToken, _purchaseTokenTotalForDeal, _underlyingDealTokenTotal, _vestingPeriod, _vestingCliffPeriod, _proRataRedemptionPeriod, _openRedemptionPeriod, _holder, _holderFundingDuration ); return aelinDealStorageProxy; } /** * @dev the 2 methods allow a purchaser to exchange accept all or a * portion of their pool tokens for deal tokens * * Requirements: * - the redemption period is either in the pro rata or open windows * - the purchaser cannot accept more than their share for a period * - if participating in the open period, a purchaser must have maxxed their * contribution in the pro rata phase */ function acceptMaxDealTokens() external { _acceptDealTokens(msg.sender, 0, true); } function acceptDealTokens(uint256 _poolTokenAmount) external { _acceptDealTokens(msg.sender, _poolTokenAmount, false); } /** * @dev the if statement says if you have no balance or if the deal is not funded * or if the pro rata period is not active, then you have 0 available for this period */ function maxProRataAmount(address _purchaser) public view returns (uint256) { (, uint256 proRataRedemptionStart, uint256 proRataRedemptionExpiry) = aelinDeal.proRataRedemption(); if ( (balanceOf(_purchaser) == 0 && amountAccepted[_purchaser] == 0 && amountWithdrawn[_purchaser] == 0) || holderFundingExpiry == 0 || proRataRedemptionStart == 0 || block.timestamp >= proRataRedemptionExpiry ) { return 0; } return (proRataConversion * (balanceOf(_purchaser) + amountAccepted[_purchaser] + amountWithdrawn[_purchaser])) / 1e18 - amountAccepted[_purchaser]; } function _maxOpenAvail(address _purchaser) internal view returns (uint256) { return balanceOf(_purchaser) + totalAmountAccepted <= purchaseTokenTotalForDeal ? balanceOf(_purchaser) : purchaseTokenTotalForDeal - totalAmountAccepted; } function _acceptDealTokens( address _recipient, uint256 _poolTokenAmount, bool _useMax ) internal dealFunded lock { (, uint256 proRataRedemptionStart, uint256 proRataRedemptionExpiry) = aelinDeal.proRataRedemption(); (, uint256 openRedemptionStart, uint256 openRedemptionExpiry) = aelinDeal.openRedemption(); if (block.timestamp >= proRataRedemptionStart && block.timestamp < proRataRedemptionExpiry) { _acceptDealTokensProRata(_recipient, _poolTokenAmount, _useMax); } else if (openRedemptionStart > 0 && block.timestamp < openRedemptionExpiry) { _acceptDealTokensOpen(_recipient, _poolTokenAmount, _useMax); } else { revert("outside of redeem window"); } } function _acceptDealTokensProRata( address _recipient, uint256 _poolTokenAmount, bool _useMax ) internal { uint256 maxProRata = maxProRataAmount(_recipient); uint256 maxAccept = maxProRata > balanceOf(_recipient) ? balanceOf(_recipient) : maxProRata; if (!_useMax) { require( _poolTokenAmount <= maxProRata && balanceOf(_recipient) >= _poolTokenAmount, "accepting more than share" ); } uint256 acceptAmount = _useMax ? maxAccept : _poolTokenAmount; amountAccepted[_recipient] += acceptAmount; totalAmountAccepted += acceptAmount; _mintDealTokens(_recipient, acceptAmount); if (proRataConversion != 1e18 && maxProRataAmount(_recipient) == 0) { openPeriodEligible[_recipient] = true; } } function _acceptDealTokensOpen( address _recipient, uint256 _poolTokenAmount, bool _useMax ) internal { require(openPeriodEligible[_recipient], "ineligible: didn't max pro rata"); uint256 maxOpen = _maxOpenAvail(_recipient); require(maxOpen > 0, "nothing left to accept"); uint256 acceptAmount = _useMax ? maxOpen : _poolTokenAmount; if (!_useMax) { require(acceptAmount <= maxOpen, "accepting more than share"); } totalAmountAccepted += acceptAmount; amountAccepted[_recipient] += acceptAmount; _mintDealTokens(_recipient, acceptAmount); } /** * @dev the holder will receive less purchase tokens than the amount * transferred if the purchase token burns or takes a fee during transfer */ function _mintDealTokens(address _recipient, uint256 _poolTokenAmount) internal { _burn(_recipient, _poolTokenAmount); uint256 poolTokenDealFormatted = _convertPoolToDeal(_poolTokenAmount, purchaseTokenDecimals); uint256 aelinFeeAmt = (poolTokenDealFormatted * AELIN_FEE) / BASE; uint256 sponsorFeeAmt = (poolTokenDealFormatted * sponsorFee) / BASE; aelinDeal.mint(sponsor, sponsorFeeAmt); aelinDeal.protocolMint(aelinFeeAmt); aelinDeal.mint(_recipient, poolTokenDealFormatted - (sponsorFeeAmt + aelinFeeAmt)); IERC20(purchaseToken).safeTransfer(holder, _poolTokenAmount); emit AcceptDeal(_recipient, address(aelinDeal), _poolTokenAmount, sponsorFeeAmt, aelinFeeAmt); } /** * @dev allows anyone to become a purchaser by sending purchase tokens * in exchange for pool tokens * * Requirements: * - the deal is in the purchase expiry window * - the cap has not been exceeded */ function purchasePoolTokens(uint256 _purchaseTokenAmount) external lock { require(block.timestamp < purchaseExpiry, "not in purchase window"); require(!hasNftList, "has NFT list"); if (hasAllowList) { require(_purchaseTokenAmount <= allowList[msg.sender], "more than allocation"); allowList[msg.sender] -= _purchaseTokenAmount; } uint256 currentBalance = IERC20(purchaseToken).balanceOf(address(this)); IERC20(purchaseToken).safeTransferFrom(msg.sender, address(this), _purchaseTokenAmount); uint256 balanceAfterTransfer = IERC20(purchaseToken).balanceOf(address(this)); uint256 purchaseTokenAmount = balanceAfterTransfer - currentBalance; if (purchaseTokenCap > 0) { uint256 totalPoolAfter = totalSupply() + purchaseTokenAmount; require(totalPoolAfter <= purchaseTokenCap, "cap has been exceeded"); if (totalPoolAfter == purchaseTokenCap) { purchaseExpiry = block.timestamp; } } _mint(msg.sender, purchaseTokenAmount); emit PurchasePoolToken(msg.sender, purchaseTokenAmount); } /** * @dev allows anyone to become a purchaser with a qualified erc721 * nft in the pool depending on the scenarios * * Scenarios: * 1. each wallet holding a qualified NFT to deposit an unlimited amount of purchase tokens * 2. certain amount of purchase tokens per wallet regardless of the number of qualified NFTs held * 3. certain amount of Investment tokens per qualified NFT held */ function purchasePoolTokensWithNft(NftPurchaseList[] calldata _nftPurchaseList, uint256 _purchaseTokenAmount) external lock { require(hasNftList, "pool does not have an NFT list"); require(block.timestamp < purchaseExpiry, "not in purchase window"); uint256 maxPurchaseTokenAmount; for (uint256 i; i < _nftPurchaseList.length; ++i) { NftPurchaseList memory nftPurchaseList = _nftPurchaseList[i]; address collectionAddress = nftPurchaseList.collectionAddress; uint256[] memory tokenIds = nftPurchaseList.tokenIds; NftCollectionRules memory nftCollectionRules = nftCollectionDetails[collectionAddress]; require(nftCollectionRules.collectionAddress == collectionAddress, "collection not in the pool"); if (nftCollectionRules.purchaseAmountPerToken) { maxPurchaseTokenAmount += nftCollectionRules.purchaseAmount * tokenIds.length; } if (!nftCollectionRules.purchaseAmountPerToken && nftCollectionRules.purchaseAmount > 0) { require(!nftWalletUsedForPurchase[collectionAddress][msg.sender], "wallet already used for nft set"); nftWalletUsedForPurchase[collectionAddress][msg.sender] = true; maxPurchaseTokenAmount += nftCollectionRules.purchaseAmount; } if (nftCollectionRules.purchaseAmount == 0) { maxPurchaseTokenAmount = _purchaseTokenAmount; } if (NftCheck.supports721(collectionAddress)) { _blackListCheck721(collectionAddress, tokenIds); } if (NftCheck.supports1155(collectionAddress)) { _eligibilityCheck1155(collectionAddress, tokenIds, nftCollectionRules); } if (collectionAddress == CRYPTO_PUNKS) { _blackListCheckPunks(collectionAddress, tokenIds); } } require(_purchaseTokenAmount <= maxPurchaseTokenAmount, "purchase amount should be less the max allocation"); uint256 amountBefore = IERC20(purchaseToken).balanceOf(address(this)); IERC20(purchaseToken).safeTransferFrom(msg.sender, address(this), _purchaseTokenAmount); uint256 amountAfter = IERC20(purchaseToken).balanceOf(address(this)); uint256 purchaseTokenAmount = amountAfter - amountBefore; if (purchaseTokenCap > 0) { uint256 totalPoolAfter = totalSupply() + purchaseTokenAmount; require(totalPoolAfter <= purchaseTokenCap, "cap has been exceeded"); if (totalPoolAfter == purchaseTokenCap) { purchaseExpiry = block.timestamp; } } _mint(msg.sender, purchaseTokenAmount); emit PurchasePoolToken(msg.sender, purchaseTokenAmount); } function _blackListCheck721(address _collectionAddress, uint256[] memory _tokenIds) internal { for (uint256 i; i < _tokenIds.length; ++i) { require(IERC721(_collectionAddress).ownerOf(_tokenIds[i]) == msg.sender, "has to be the token owner"); require(!nftId[_collectionAddress][_tokenIds[i]], "tokenId already used"); nftId[_collectionAddress][_tokenIds[i]] = true; emit BlacklistNFT(_collectionAddress, _tokenIds[i]); } } function _eligibilityCheck1155( address _collectionAddress, uint256[] memory _tokenIds, NftCollectionRules memory _nftCollectionRules ) internal view { for (uint256 i; i < _tokenIds.length; ++i) { require(nftId[_collectionAddress][_tokenIds[i]], "tokenId not in the pool"); require( IERC1155(_collectionAddress).balanceOf(msg.sender, _tokenIds[i]) >= _nftCollectionRules.minTokensEligible[i], "erc1155 balance too low" ); } } function _blackListCheckPunks(address _punksAddress, uint256[] memory _tokenIds) internal { for (uint256 i; i < _tokenIds.length; ++i) { require(ICryptoPunks(_punksAddress).punkIndexToAddress(_tokenIds[i]) == msg.sender, "not the owner"); require(!nftId[_punksAddress][_tokenIds[i]], "tokenId already used"); nftId[_punksAddress][_tokenIds[i]] = true; emit BlacklistNFT(_punksAddress, _tokenIds[i]); } } /** * @dev the withdraw and partial withdraw methods allow a purchaser to take their * purchase tokens back in exchange for pool tokens if they do not accept a deal * * Requirements: * - the pool has expired either due to the creation of a deal or the end of the duration */ function withdrawMaxFromPool() external { _withdraw(balanceOf(msg.sender)); } function withdrawFromPool(uint256 _purchaseTokenAmount) external { _withdraw(_purchaseTokenAmount); } /** * @dev purchasers can withdraw at the end of the pool expiry period if * no deal was presented or they can withdraw after the holder funding period * if they do not like a deal */ function _withdraw(uint256 _purchaseTokenAmount) internal { require(_purchaseTokenAmount <= balanceOf(msg.sender), "input larger than balance"); require(block.timestamp >= poolExpiry, "not yet withdraw period"); if (holderFundingExpiry > 0) { require(block.timestamp > holderFundingExpiry || aelinDeal.depositComplete(), "cant withdraw in funding period"); } amountWithdrawn[msg.sender] += _purchaseTokenAmount; totalAmountWithdrawn += _purchaseTokenAmount; _burn(msg.sender, _purchaseTokenAmount); IERC20(purchaseToken).safeTransfer(msg.sender, _purchaseTokenAmount); emit WithdrawFromPool(msg.sender, _purchaseTokenAmount); } /** * @dev view to see how much of the deal a purchaser can accept. */ function maxDealAccept(address _purchaser) external view returns (uint256) { /** * The if statement is checking to see if the holder has not funded the deal * or if the period is outside of a redemption window so nothing is available. * It then checks if you are in the pro rata period and open period eligibility */ (, uint256 proRataRedemptionStart, uint256 proRataRedemptionExpiry) = aelinDeal.proRataRedemption(); (, uint256 openRedemptionStart, uint256 openRedemptionExpiry) = aelinDeal.openRedemption(); if ( holderFundingExpiry == 0 || proRataRedemptionStart == 0 || (block.timestamp >= proRataRedemptionExpiry && openRedemptionStart == 0) || (block.timestamp >= openRedemptionExpiry && openRedemptionStart != 0) ) { return 0; } else if (block.timestamp < proRataRedemptionExpiry) { uint256 maxProRata = maxProRataAmount(_purchaser); return maxProRata > balanceOf(_purchaser) ? balanceOf(_purchaser) : maxProRata; } else if (!openPeriodEligible[_purchaser]) { return 0; } else { return _maxOpenAvail(_purchaser); } } modifier transferWindow() { (, uint256 proRataRedemptionStart, uint256 proRataRedemptionExpiry) = aelinDeal.proRataRedemption(); (, uint256 openRedemptionStart, uint256 openRedemptionExpiry) = aelinDeal.openRedemption(); require( proRataRedemptionStart == 0 || (block.timestamp >= proRataRedemptionExpiry && openRedemptionStart == 0) || (block.timestamp >= openRedemptionExpiry && openRedemptionStart != 0), "no transfers in redeem window" ); _; } function transfer(address _dst, uint256 _amount) public virtual override transferWindow returns (bool) { return super.transfer(_dst, _amount); } function transferFrom( address _src, address _dst, uint256 _amount ) public virtual override transferWindow returns (bool) { return super.transferFrom(_src, _dst, _amount); } /** * @dev convert pool with varying decimals to deal tokens of 18 decimals * NOTE that a purchase token must not be greater than 18 decimals */ function _convertPoolToDeal(uint256 _poolTokenAmount, uint256 _poolTokenDecimals) internal pure returns (uint256) { return _poolTokenAmount * 10**(18 - _poolTokenDecimals); } /** * @dev a function that any Ethereum address can call to vouch for a pool's legitimacy */ function vouch() external { emit Vouch(msg.sender); } /** * @dev a function that any Ethereum address can call to disavow for a pool's legitimacy */ function disavow() external { emit Disavow(msg.sender); } event SetSponsor(address indexed sponsor); event PurchasePoolToken(address indexed purchaser, uint256 purchaseTokenAmount); event WithdrawFromPool(address indexed purchaser, uint256 purchaseTokenAmount); event AcceptDeal( address indexed purchaser, address indexed dealAddress, uint256 poolTokenAmount, uint256 sponsorFee, uint256 aelinFee ); event CreateDeal(string name, string symbol, address indexed sponsor, address indexed dealContract); event DealDetail( address indexed dealContract, address indexed underlyingDealToken, uint256 purchaseTokenTotalForDeal, uint256 underlyingDealTokenTotal, uint256 vestingPeriod, uint256 vestingCliff, uint256 proRataRedemptionPeriod, uint256 openRedemptionPeriod, address indexed holder, uint256 holderFundingDuration ); event AllowlistAddress(address indexed purchaser, uint256 allowlistAmount); event PoolWith721(address indexed collectionAddress, uint256 purchaseAmount, bool purchaseAmountPerToken); event PoolWith1155( address indexed collectionAddress, uint256 purchaseAmount, bool purchaseAmountPerToken, uint256[] tokenIds, uint256[] minTokensEligible ); event Vouch(address indexed voucher); event Disavow(address indexed voucher); event BlacklistNFT(address indexed collection, uint256 nftID); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; import {IERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; contract AelinFeeEscrow { using SafeERC20 for IERC20; uint256 public vestingExpiry; address public treasury; address public futureTreasury; address public escrowedToken; bool private calledInitialize; /** * @dev the constructor will always be blank due to the MinimalProxyFactory pattern * this allows the underlying logic of this contract to only be deployed once * and each new escrow created is simply a storage wrapper */ constructor() {} /** * @dev the treasury may change their address */ function setTreasury(address _treasury) external onlyTreasury { require(_treasury != address(0)); futureTreasury = _treasury; } function acceptTreasury() external { require(msg.sender == futureTreasury, "only future treasury can access"); treasury = futureTreasury; emit SetTreasury(futureTreasury); } function initialize(address _treasury, address _escrowedToken) external initOnce { treasury = _treasury; vestingExpiry = block.timestamp + 180 days; escrowedToken = _escrowedToken; emit InitializeEscrow(msg.sender, _treasury, vestingExpiry, escrowedToken); } modifier initOnce() { require(!calledInitialize, "can only initialize once"); calledInitialize = true; _; } modifier onlyTreasury() { require(msg.sender == treasury, "only treasury can access"); _; } function delayEscrow() external onlyTreasury { require(vestingExpiry < block.timestamp + 90 days, "can only extend by 90 days"); vestingExpiry = block.timestamp + 90 days; emit DelayEscrow(vestingExpiry); } /** * @dev transfer all the escrow tokens to the treasury */ function withdrawToken() external onlyTreasury { require(block.timestamp > vestingExpiry, "cannot access funds yet"); uint256 balance = IERC20(escrowedToken).balanceOf(address(this)); IERC20(escrowedToken).safeTransfer(treasury, balance); } event SetTreasury(address indexed treasury); event InitializeEscrow( address indexed dealAddress, address indexed treasury, uint256 vestingExpiry, address indexed escrowedToken ); event DelayEscrow(uint256 vestingExpiry); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; import {IAelinPool} from "./IAelinPool.sol"; interface IAelinUpFrontDeal { struct UpFrontDealData { string name; string symbol; address purchaseToken; address underlyingDealToken; address holder; address sponsor; uint256 sponsorFee; bytes32 merkleRoot; string ipfsHash; } struct UpFrontDealConfig { uint256 underlyingDealTokenTotal; uint256 purchaseTokenPerDealToken; uint256 purchaseRaiseMinimum; uint256 purchaseDuration; uint256 vestingPeriod; uint256 vestingCliffPeriod; bool allowDeallocation; } event CreateUpFrontDeal( address indexed dealAddress, string name, string symbol, address purchaseToken, address underlyingDealToken, address indexed holder, address indexed sponsor, uint256 sponsorFee, bytes32 merkleRoot, string ipfsHash ); event CreateUpFrontDealConfig( address indexed dealAddress, uint256 underlyingDealTokenTotal, uint256 purchaseTokenPerDealToken, uint256 purchaseRaiseMinimum, uint256 purchaseDuration, uint256 vestingPeriod, uint256 vestingCliffPeriod, bool allowDeallocation ); event DepositDealToken( address indexed underlyingDealTokenAddress, address indexed depositor, uint256 underlyingDealTokenAmount ); event DealFullyFunded( address upFrontDealAddress, uint256 timestamp, uint256 purchaseExpiryTimestamp, uint256 vestingCliffExpiryTimestamp, uint256 vestingExpiryTimestamp ); event WithdrewExcess(address UpFrontDealAddress, uint256 amountWithdrawn); event AcceptDeal( address indexed user, uint256 amountPurchased, uint256 totalPurchased, uint256 amountDealTokens, uint256 totalDealTokens ); event ClaimDealTokens(address indexed user, uint256 amountMinted, uint256 amountPurchasingReturned); event SponsorClaim(address indexed sponsor, uint256 amountMinted); event HolderClaim( address indexed holder, address purchaseToken, uint256 amountClaimed, address underlyingToken, uint256 underlyingRefund, uint256 timestamp ); event FeeEscrowClaim(address indexed aelinFeeEscrow, address indexed underlyingTokenAddress, uint256 amount); event ClaimedUnderlyingDealToken(address indexed user, address underlyingToken, uint256 amountClaimed); event PoolWith721(address indexed collectionAddress, uint256 purchaseAmount, bool purchaseAmountPerToken); event PoolWith1155( address indexed collectionAddress, uint256 purchaseAmount, bool purchaseAmountPerToken, uint256[] tokenIds, uint256[] minTokensEligible ); event SetHolder(address indexed holder); event Vouch(address indexed voucher); event Disavow(address indexed voucher); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; import "./NftCheck.sol"; import "../interfaces/ICryptoPunks.sol"; library AelinNftGating { address constant CRYPTO_PUNKS = address(0xb47e3cd837dDF8e4c57F05d70Ab865de6e193BBB); // collectionAddress should be unique, otherwise will override struct NftCollectionRules { // if 0, then unlimited purchase uint256 purchaseAmount; address collectionAddress; // if true, then `purchaseAmount` is per token // else `purchaseAmount` is per account regardless of the NFTs held bool purchaseAmountPerToken; // both variables below are only applicable for 1155 uint256[] tokenIds; // min number of tokens required for participating uint256[] minTokensEligible; } struct NftGatingData { mapping(address => NftCollectionRules) nftCollectionDetails; mapping(address => mapping(address => bool)) nftWalletUsedForPurchase; mapping(address => mapping(uint256 => bool)) nftId; bool hasNftList; } struct NftPurchaseList { address collectionAddress; uint256[] tokenIds; } /** * @dev check if deal is nft gated, sets hasNftList * if yes, move collection rule array input to mapping in the data storage * @param _nftCollectionRules array of all nft collection rule data * @param _data contract storage data passed by reference */ function initialize(NftCollectionRules[] calldata _nftCollectionRules, NftGatingData storage _data) external { if (_nftCollectionRules.length > 0) { // if the first address supports punks or 721, the entire pool only supports 721 or punks if ( _nftCollectionRules[0].collectionAddress == CRYPTO_PUNKS || NftCheck.supports721(_nftCollectionRules[0].collectionAddress) ) { for (uint256 i; i < _nftCollectionRules.length; ++i) { require( _nftCollectionRules[i].collectionAddress == CRYPTO_PUNKS || NftCheck.supports721(_nftCollectionRules[i].collectionAddress), "can only contain 721" ); _data.nftCollectionDetails[_nftCollectionRules[i].collectionAddress] = _nftCollectionRules[i]; emit PoolWith721( _nftCollectionRules[i].collectionAddress, _nftCollectionRules[i].purchaseAmount, _nftCollectionRules[i].purchaseAmountPerToken ); } _data.hasNftList = true; } // if the first address supports 1155, the entire pool only supports 1155 else if (NftCheck.supports1155(_nftCollectionRules[0].collectionAddress)) { for (uint256 i; i < _nftCollectionRules.length; ++i) { require(NftCheck.supports1155(_nftCollectionRules[i].collectionAddress), "can only contain 1155"); _data.nftCollectionDetails[_nftCollectionRules[i].collectionAddress] = _nftCollectionRules[i]; for (uint256 j; j < _nftCollectionRules[i].tokenIds.length; ++j) { _data.nftId[_nftCollectionRules[i].collectionAddress][_nftCollectionRules[i].tokenIds[j]] = true; } emit PoolWith1155( _nftCollectionRules[i].collectionAddress, _nftCollectionRules[i].purchaseAmount, _nftCollectionRules[i].purchaseAmountPerToken, _nftCollectionRules[i].tokenIds, _nftCollectionRules[i].minTokensEligible ); } _data.hasNftList = true; } else { require(false, "collection is not compatible"); } } else { _data.hasNftList = false; } } /** * @dev allows anyone to become a purchaser with a qualified erc721 * nft in the pool depending on the scenarios * * Scenarios: * 1. each wallet holding a qualified NFT to deposit an unlimited amount of purchase tokens * 2. certain amount of purchase tokens per wallet regardless of the number of qualified NFTs held * 3. certain amount of Investment tokens per qualified NFT held * @param _nftPurchaseList nft collection address and token ids to use for purchase * @param _data contract storage data for nft gating passed by reference * @param _purchaseTokenAmount amount to purchase with, must not exceed max allowable from collection rules * @return uint256 max purchase token amount allowable */ function purchaseDealTokensWithNft( NftPurchaseList[] calldata _nftPurchaseList, NftGatingData storage _data, uint256 _purchaseTokenAmount ) external returns (uint256) { require(_data.hasNftList, "pool does not have an NFT list"); require(_nftPurchaseList.length > 0, "must provide purchase list"); uint256 maxPurchaseTokenAmount; for (uint256 i; i < _nftPurchaseList.length; ++i) { NftPurchaseList memory nftPurchaseList = _nftPurchaseList[i]; address _collectionAddress = nftPurchaseList.collectionAddress; uint256[] memory _tokenIds = nftPurchaseList.tokenIds; NftCollectionRules memory nftCollectionRules = _data.nftCollectionDetails[_collectionAddress]; require(_collectionAddress != address(0), "collection should not be null"); require(nftCollectionRules.collectionAddress == _collectionAddress, "collection not in the pool"); if (nftCollectionRules.purchaseAmountPerToken && nftCollectionRules.purchaseAmount > 0) { if (NftCheck.supports1155(_collectionAddress)) { for (uint256 j; j < _tokenIds.length; ++j) { unchecked { uint256 collectionAllowance = nftCollectionRules.purchaseAmount * IERC1155(_collectionAddress).balanceOf(msg.sender, _tokenIds[j]); // if there is an overflow of the pervious calculation, allow the max purchase token amount if ( collectionAllowance / nftCollectionRules.purchaseAmount != IERC1155(_collectionAddress).balanceOf(msg.sender, _tokenIds[j]) ) { maxPurchaseTokenAmount = type(uint256).max; } else { maxPurchaseTokenAmount += collectionAllowance; if (maxPurchaseTokenAmount < collectionAllowance) { maxPurchaseTokenAmount = type(uint256).max; } } } } } else { unchecked { uint256 collectionAllowance = nftCollectionRules.purchaseAmount * _tokenIds.length; // if there is an overflow of the pervious calculation, allow the max purchase token amount if (collectionAllowance / nftCollectionRules.purchaseAmount != _tokenIds.length) { maxPurchaseTokenAmount = type(uint256).max; } else { maxPurchaseTokenAmount += collectionAllowance; if (maxPurchaseTokenAmount < collectionAllowance) { maxPurchaseTokenAmount = type(uint256).max; } } } } } if (!nftCollectionRules.purchaseAmountPerToken && nftCollectionRules.purchaseAmount > 0) { require(!_data.nftWalletUsedForPurchase[_collectionAddress][msg.sender], "wallet already used for nft set"); _data.nftWalletUsedForPurchase[_collectionAddress][msg.sender] = true; unchecked { maxPurchaseTokenAmount += nftCollectionRules.purchaseAmount; // if addition causes overflow the max allowance is max value of uint256 if (maxPurchaseTokenAmount < nftCollectionRules.purchaseAmount) { maxPurchaseTokenAmount = type(uint256).max; } } } if (nftCollectionRules.purchaseAmount == 0) { maxPurchaseTokenAmount = type(uint256).max; } if (NftCheck.supports721(_collectionAddress)) { for (uint256 j; j < _tokenIds.length; ++j) { require(IERC721(_collectionAddress).ownerOf(_tokenIds[j]) == msg.sender, "has to be the token owner"); require(!_data.nftId[_collectionAddress][_tokenIds[j]], "tokenId already used"); _data.nftId[_collectionAddress][_tokenIds[j]] = true; emit BlacklistNFT(_collectionAddress, _tokenIds[j]); } } if (NftCheck.supports1155(_collectionAddress)) { for (uint256 j; j < _tokenIds.length; ++j) { require(_data.nftId[_collectionAddress][_tokenIds[j]], "tokenId not in the pool"); require( IERC1155(_collectionAddress).balanceOf(msg.sender, _tokenIds[j]) >= nftCollectionRules.minTokensEligible[j], "erc1155 balance too low" ); } } if (_collectionAddress == CRYPTO_PUNKS) { for (uint256 j; j < _tokenIds.length; ++j) { require( ICryptoPunks(_collectionAddress).punkIndexToAddress(_tokenIds[j]) == msg.sender, "not the owner" ); require(!_data.nftId[_collectionAddress][_tokenIds[j]], "tokenId already used"); _data.nftId[_collectionAddress][_tokenIds[j]] = true; emit BlacklistNFT(_collectionAddress, _tokenIds[j]); } } } require(_purchaseTokenAmount <= maxPurchaseTokenAmount, "purchase amount greater than max allocation"); return (maxPurchaseTokenAmount); } event PoolWith721(address indexed collectionAddress, uint256 purchaseAmount, bool purchaseAmountPerToken); event PoolWith1155( address indexed collectionAddress, uint256 purchaseAmount, bool purchaseAmountPerToken, uint256[] tokenIds, uint256[] minTokensEligible ); event BlacklistNFT(address indexed collection, uint256 nftID); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; library AelinAllowList { struct InitData { address[] allowListAddresses; uint256[] allowListAmounts; } struct AllowList { address[] allowListAddresses; uint256[] allowListAmounts; mapping(address => uint256) amountPerAddress; bool hasAllowList; } function initialize(InitData calldata _init, AllowList storage _self) external { if (_init.allowListAddresses.length > 0 || _init.allowListAmounts.length > 0) { require( _init.allowListAddresses.length == _init.allowListAmounts.length, "allowListAddresses and allowListAmounts arrays should have the same length" ); _self.allowListAddresses = _init.allowListAddresses; _self.allowListAmounts = _init.allowListAmounts; for (uint256 i; i < _init.allowListAddresses.length; ++i) { _self.amountPerAddress[_init.allowListAddresses[i]] = _init.allowListAmounts[i]; } _self.hasAllowList = true; emit AllowlistAddress(_init.allowListAddresses, _init.allowListAmounts); } } event AllowlistAddress(address[] indexed allowListAddresses, uint256[] allowlistAmounts); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; library MerkleTree { struct UpFrontMerkleData { uint256 index; address account; uint256 amount; bytes32[] merkleProof; } struct TrackClaimed { mapping(uint256 => uint256) claimedBitMap; } /** * @dev a function that checks if the index leaf node is valid and if the user has purchased. * will set the index node to purchased if approved */ function purchaseMerkleAmount( UpFrontMerkleData calldata merkleData, TrackClaimed storage self, uint256 _purchaseTokenAmount, bytes32 merkleRoot ) external { require(!hasPurchasedMerkle(self, merkleData.index), "Already purchased tokens"); require(msg.sender == merkleData.account, "cant purchase others tokens"); require(merkleData.amount >= _purchaseTokenAmount, "purchasing more than allowance"); // Verify the merkle proof. bytes32 node = keccak256(abi.encodePacked(merkleData.index, merkleData.account, merkleData.amount)); require(MerkleProof.verify(merkleData.merkleProof, merkleRoot, node), "MerkleTree.sol: Invalid proof."); // Mark it claimed and send the token. _setPurchased(self, merkleData.index); } /** * @dev sets the claimedBitMap to true for that index */ function _setPurchased(TrackClaimed storage self, uint256 _index) private { uint256 claimedWordIndex = _index / 256; uint256 claimedBitIndex = _index % 256; self.claimedBitMap[claimedWordIndex] = self.claimedBitMap[claimedWordIndex] | (1 << claimedBitIndex); } /** * @dev returns if address has purchased merkle * @return bool index of the leaf node has purchased or not */ function hasPurchasedMerkle(TrackClaimed storage self, uint256 _index) public view returns (bool) { uint256 claimedWordIndex = _index / 256; uint256 claimedBitIndex = _index % 256; uint256 claimedWord = self.claimedBitMap[claimedWordIndex]; uint256 mask = (1 << claimedBitIndex); return claimedWord & mask == mask; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.0; import "./IERC20.sol"; import "./extensions/IERC20Metadata.sol"; import "../../utils/Context.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_, uint8 decimals_) { _name = name_; _symbol = symbol_; _decimals = decimals_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. */ function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, allowance(owner, spender) + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `from` to `to`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. */ function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; } _balances[to] += amount; emit Transfer(from, to, amount); _afterTokenTransfer(from, to, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Updates `owner` s allowance for `spender` based on spent `amount`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. */ function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - amount); } } } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; interface IAelinDeal { struct DealData { address underlyingDealToken; uint256 underlyingDealTokenTotal; uint256 vestingPeriod; uint256 vestingCliffPeriod; uint256 proRataRedemptionPeriod; uint256 openRedemptionPeriod; address holder; uint256 maxDealTotalSupply; uint256 holderFundingDuration; } struct Timeline { uint256 period; uint256 start; uint256 expiry; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; interface IAelinPool { struct PoolData { string name; string symbol; uint256 purchaseTokenCap; address purchaseToken; uint256 duration; uint256 sponsorFee; uint256 purchaseDuration; address[] allowListAddresses; uint256[] allowListAmounts; NftCollectionRules[] nftCollectionRules; } // collectionAddress should be unique, otherwise will override struct NftCollectionRules { // if 0, then unlimited purchase uint256 purchaseAmount; address collectionAddress; // if true, then `purchaseAmount` is per token // else `purchaseAmount` is per account regardless of the NFTs held bool purchaseAmountPerToken; // both variables below are only applicable for 1155 uint256[] tokenIds; // min number of tokens required for participating uint256[] minTokensEligible; } struct NftPurchaseList { address collectionAddress; uint256[] tokenIds; } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.6; interface ICryptoPunks { function balanceOf(address) external view returns (uint256); function punkIndexToAddress(uint256) external view returns (address); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.6; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; library NftCheck { bytes4 public constant IERC165_ID = type(IERC165).interfaceId; bytes4 public constant IERC1155_ID = type(IERC1155).interfaceId; bytes4 public constant IERC721_ID = type(IERC721).interfaceId; function supports721(address collectionAddress) internal view returns (bool) { return _supportsInterface(collectionAddress, IERC721_ID); } function supports1155(address collectionAddress) internal view returns (bool) { return _supportsInterface(collectionAddress, IERC1155_ID); } function _supportsInterface(address account, bytes4 interfaceId) private view returns (bool) { bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId); (bool success, bytes memory result) = account.staticcall{gas: 30000}(encodedParams); if (result.length < 32) return false; return success && abi.decode(result, (bool)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
{ "remappings": [ "@ensdomains/=node_modules/@ensdomains/", "@eth-optimism/=node_modules/@eth-optimism/", "@openzeppelin/=node_modules/@openzeppelin/", "ds-test/=lib/forge-std/lib/ds-test/src/", "eth-gas-reporter/=node_modules/eth-gas-reporter/", "forge-std/=lib/forge-std/src/", "hardhat/=node_modules/hardhat/", "openzeppelin-solidity-2.3.0/=node_modules/openzeppelin-solidity-2.3.0/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "bytecodeHash": "ipfs" }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "berlin", "libraries": { "contracts/libraries/AelinAllowList.sol": { "AelinAllowList": "0x011829226A32e992a4dEF3Efe225978136dD5ccE" }, "contracts/libraries/AelinNftGating.sol": { "AelinNftGating": "0x7096e34e27688b7db4a1dab0146531e5b0cec5a2" }, "contracts/libraries/MerkleTree.sol": { "MerkleTree": "0x15545F77783c8B47E7D9af53cd9a91AE612B3bAc" }, "contracts/libraries/NftCheck.sol": { "NftCheck": "0xe2D312365cB83b3073c702d81832f27B0A23c482" } } }
[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountPurchased","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"totalPurchased","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amountDealTokens","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"totalDealTokens","type":"uint256"}],"name":"AcceptDeal","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"name","type":"string"},{"indexed":false,"internalType":"string","name":"symbol","type":"string"},{"indexed":false,"internalType":"uint8","name":"decimals","type":"uint8"}],"name":"AelinToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountMinted","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amountPurchasingReturned","type":"uint256"}],"name":"ClaimDealTokens","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"address","name":"underlyingToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountClaimed","type":"uint256"}],"name":"ClaimedUnderlyingDealToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"dealAddress","type":"address"},{"indexed":false,"internalType":"string","name":"name","type":"string"},{"indexed":false,"internalType":"string","name":"symbol","type":"string"},{"indexed":false,"internalType":"address","name":"purchaseToken","type":"address"},{"indexed":false,"internalType":"address","name":"underlyingDealToken","type":"address"},{"indexed":true,"internalType":"address","name":"holder","type":"address"},{"indexed":true,"internalType":"address","name":"sponsor","type":"address"},{"indexed":false,"internalType":"uint256","name":"sponsorFee","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"indexed":false,"internalType":"string","name":"ipfsHash","type":"string"}],"name":"CreateUpFrontDeal","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"dealAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"underlyingDealTokenTotal","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"purchaseTokenPerDealToken","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"purchaseRaiseMinimum","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"purchaseDuration","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"vestingPeriod","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"vestingCliffPeriod","type":"uint256"},{"indexed":false,"internalType":"bool","name":"allowDeallocation","type":"bool"}],"name":"CreateUpFrontDealConfig","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"upFrontDealAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"purchaseExpiryTimestamp","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"vestingCliffExpiryTimestamp","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"vestingExpiryTimestamp","type":"uint256"}],"name":"DealFullyFunded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"underlyingDealTokenAddress","type":"address"},{"indexed":true,"internalType":"address","name":"depositor","type":"address"},{"indexed":false,"internalType":"uint256","name":"underlyingDealTokenAmount","type":"uint256"}],"name":"DepositDealToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voucher","type":"address"}],"name":"Disavow","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"aelinFeeEscrow","type":"address"},{"indexed":true,"internalType":"address","name":"underlyingTokenAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"FeeEscrowClaim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"holder","type":"address"},{"indexed":false,"internalType":"address","name":"purchaseToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountClaimed","type":"uint256"},{"indexed":false,"internalType":"address","name":"underlyingToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"underlyingRefund","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"HolderClaim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"collectionAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"purchaseAmount","type":"uint256"},{"indexed":false,"internalType":"bool","name":"purchaseAmountPerToken","type":"bool"},{"indexed":false,"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"minTokensEligible","type":"uint256[]"}],"name":"PoolWith1155","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"collectionAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"purchaseAmount","type":"uint256"},{"indexed":false,"internalType":"bool","name":"purchaseAmountPerToken","type":"bool"}],"name":"PoolWith721","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"holder","type":"address"}],"name":"SetHolder","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sponsor","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountMinted","type":"uint256"}],"name":"SponsorClaim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"voucher","type":"address"}],"name":"Vouch","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"UpFrontDealAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountWithdrawn","type":"uint256"}],"name":"WithdrewExcess","type":"event"},{"inputs":[{"components":[{"internalType":"address","name":"collectionAddress","type":"address"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"internalType":"struct AelinNftGating.NftPurchaseList[]","name":"_nftPurchaseList","type":"tuple[]"},{"components":[{"internalType":"uint256","name":"index","type":"uint256"},{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes32[]","name":"merkleProof","type":"bytes32[]"}],"internalType":"struct MerkleTree.UpFrontMerkleData","name":"_merkleData","type":"tuple"},{"internalType":"uint256","name":"_purchaseTokenAmount","type":"uint256"}],"name":"acceptDeal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptHolder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"aelinEscrowLogicAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"aelinFeeEscrow","outputs":[{"internalType":"contract AelinFeeEscrow","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"aelinTreasuryAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"allowList","outputs":[{"internalType":"bool","name":"hasAllowList","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"amountVested","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimUnderlying","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_purchaser","type":"address"}],"name":"claimableUnderlyingTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"dealConfig","outputs":[{"internalType":"uint256","name":"underlyingDealTokenTotal","type":"uint256"},{"internalType":"uint256","name":"purchaseTokenPerDealToken","type":"uint256"},{"internalType":"uint256","name":"purchaseRaiseMinimum","type":"uint256"},{"internalType":"uint256","name":"purchaseDuration","type":"uint256"},{"internalType":"uint256","name":"vestingPeriod","type":"uint256"},{"internalType":"uint256","name":"vestingCliffPeriod","type":"uint256"},{"internalType":"bool","name":"allowDeallocation","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"dealData","outputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"address","name":"purchaseToken","type":"address"},{"internalType":"address","name":"underlyingDealToken","type":"address"},{"internalType":"address","name":"holder","type":"address"},{"internalType":"address","name":"sponsor","type":"address"},{"internalType":"uint256","name":"sponsorFee","type":"uint256"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"string","name":"ipfsHash","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"dealFactory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"dealStart","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_depositUnderlyingAmount","type":"uint256"}],"name":"depositUnderlyingTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"disavow","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeEscrowClaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"futureHolder","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_userAddress","type":"address"}],"name":"getAllowList","outputs":[{"internalType":"address[]","name":"","type":"address[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"getAmountVested","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_collection","type":"address"}],"name":"getNftCollectionDetails","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"},{"internalType":"bool","name":"","type":"bool"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_collection","type":"address"},{"internalType":"address","name":"_wallet","type":"address"},{"internalType":"uint256","name":"_nftId","type":"uint256"}],"name":"getNftGatingDetails","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"bool","name":"","type":"bool"},{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"getPoolSharesPerUser","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"getPurchaseTokensPerUser","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"hasPurchasedMerkle","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"holderClaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"address","name":"purchaseToken","type":"address"},{"internalType":"address","name":"underlyingDealToken","type":"address"},{"internalType":"address","name":"holder","type":"address"},{"internalType":"address","name":"sponsor","type":"address"},{"internalType":"uint256","name":"sponsorFee","type":"uint256"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"string","name":"ipfsHash","type":"string"}],"internalType":"struct IAelinUpFrontDeal.UpFrontDealData","name":"_dealData","type":"tuple"},{"components":[{"internalType":"uint256","name":"underlyingDealTokenTotal","type":"uint256"},{"internalType":"uint256","name":"purchaseTokenPerDealToken","type":"uint256"},{"internalType":"uint256","name":"purchaseRaiseMinimum","type":"uint256"},{"internalType":"uint256","name":"purchaseDuration","type":"uint256"},{"internalType":"uint256","name":"vestingPeriod","type":"uint256"},{"internalType":"uint256","name":"vestingCliffPeriod","type":"uint256"},{"internalType":"bool","name":"allowDeallocation","type":"bool"}],"internalType":"struct IAelinUpFrontDeal.UpFrontDealConfig","name":"_dealConfig","type":"tuple"},{"components":[{"internalType":"uint256","name":"purchaseAmount","type":"uint256"},{"internalType":"address","name":"collectionAddress","type":"address"},{"internalType":"bool","name":"purchaseAmountPerToken","type":"bool"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint256[]","name":"minTokensEligible","type":"uint256[]"}],"internalType":"struct AelinNftGating.NftCollectionRules[]","name":"_nftCollectionRules","type":"tuple[]"},{"components":[{"internalType":"address[]","name":"allowListAddresses","type":"address[]"},{"internalType":"uint256[]","name":"allowListAmounts","type":"uint256[]"}],"internalType":"struct AelinAllowList.InitData","name":"_allowListInit","type":"tuple"},{"internalType":"address","name":"_aelinTreasuryAddress","type":"address"},{"internalType":"address","name":"_aelinEscrowLogicAddress","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nftGating","outputs":[{"internalType":"bool","name":"hasNftList","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"poolSharesPerUser","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"purchaseExpiry","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"purchaseTokensPerUser","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"purchaserClaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_holder","type":"address"}],"name":"setHolder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sponsorClaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalPoolShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalPurchasingAccepted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalUnderlyingClaimed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_dst","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_src","type":"address"},{"internalType":"address","name":"_dst","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vestingCliffExpiry","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vestingExpiry","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vouch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawExcess","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.