Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
Overview
Max Total Supply
1,912 fVLT
Holders
1,342
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
FluidVaultFactory
Compiler Version
v0.8.21+commit.d9974bed
Optimization Enabled:
Yes with 10000000 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.21; import { Owned } from "solmate/src/auth/Owned.sol"; import { ERC721 } from "./ERC721/ERC721.sol"; import { ErrorTypes } from "../errorTypes.sol"; import { StorageRead } from "../../../libraries/storageRead.sol"; abstract contract VaultFactoryVariables is Owned, ERC721, StorageRead { /// @dev ERC721 tokens name string internal constant ERC721_NAME = "Fluid Vault"; /// @dev ERC721 tokens symbol string internal constant ERC721_SYMBOL = "fVLT"; /*////////////////////////////////////////////////////////////// STORAGE VARIABLES //////////////////////////////////////////////////////////////*/ // ------------ storage variables from inherited contracts (Owned and ERC721) come before vars here -------- // ----------------------- slot 0 --------------------------- // address public owner; // from Owned // 12 bytes empty // ----------------------- slot 1 --------------------------- // string public name; // ----------------------- slot 2 --------------------------- // string public symbol; // ----------------------- slot 3 --------------------------- // mapping(uint256 => uint256) internal _tokenConfig; // ----------------------- slot 4 --------------------------- // mapping(address => mapping(uint256 => uint256)) internal _ownerConfig; // ----------------------- slot 5 --------------------------- // uint256 public totalSupply; // ----------------------- slot 6 --------------------------- // mapping(uint256 => address) public getApproved; // ----------------------- slot 7 --------------------------- // mapping(address => mapping(address => bool)) public isApprovedForAll; // ----------------------- slot 8 --------------------------- /// @dev deployer can deploy new Vault contract /// owner can add/remove deployer. /// Owner is deployer by default. mapping(address => bool) internal _deployers; // ----------------------- slot 9 --------------------------- /// @dev global auths can update any vault config. /// owner can add/remove global auths. /// Owner is global auth by default. mapping(address => bool) internal _globalAuths; // ----------------------- slot 10 --------------------------- /// @dev vault auths can update specific vault config. /// owner can add/remove vault auths. /// Owner is vault auth by default. /// vault => auth => add/remove mapping(address => mapping(address => bool)) internal _vaultAuths; // ----------------------- slot 11 --------------------------- /// @dev total no of vaults deployed by the factory /// only addresses that have deployer role or owner can deploy new vault. uint256 internal _totalVaults; // ----------------------- slot 12 --------------------------- /// @dev vault deployment logics for deploying vault /// These logic contracts hold the deployment logics of specific vaults and are called via .delegatecall inside deployVault(). /// only addresses that have owner can add/remove new vault deployment logic. mapping(address => bool) internal _vaultDeploymentLogics; /*////////////////////////////////////////////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////*/ constructor(address owner_) Owned(owner_) ERC721(ERC721_NAME, ERC721_SYMBOL) {} } abstract contract VaultFactoryEvents { /// @dev Emitted when a new vault is deployed. /// @param vault The address of the newly deployed vault. /// @param vaultId The id of the newly deployed vault. event VaultDeployed(address indexed vault, uint256 indexed vaultId); /// @dev Emitted when a new token/position is minted by a vault. /// @param vault The address of the vault that minted the token. /// @param user The address of the user who received the minted token. /// @param tokenId The ID of the newly minted token. event NewPositionMinted(address indexed vault, address indexed user, uint256 indexed tokenId); /// @dev Emitted when the deployer is modified by owner. /// @param deployer Address whose deployer status is updated. /// @param allowed Indicates whether the address is authorized as a deployer or not. event LogSetDeployer(address indexed deployer, bool indexed allowed); /// @dev Emitted when the globalAuth is modified by owner. /// @param globalAuth Address whose globalAuth status is updated. /// @param allowed Indicates whether the address is authorized as a deployer or not. event LogSetGlobalAuth(address indexed globalAuth, bool indexed allowed); /// @dev Emitted when the vaultAuth is modified by owner. /// @param vaultAuth Address whose vaultAuth status is updated. /// @param allowed Indicates whether the address is authorized as a deployer or not. /// @param vault Address of the specific vault related to the authorization change. event LogSetVaultAuth(address indexed vaultAuth, bool indexed allowed, address indexed vault); /// @dev Emitted when the vault deployment logic is modified by owner. /// @param vaultDeploymentLogic The address of the vault deployment logic contract. /// @param allowed Indicates whether the address is authorized as a deployer or not. event LogSetVaultDeploymentLogic(address indexed vaultDeploymentLogic, bool indexed allowed); } abstract contract VaultFactoryCore is VaultFactoryVariables, VaultFactoryEvents { constructor(address owner_) validAddress(owner_) VaultFactoryVariables(owner_) {} /// @dev validates that an address is not the zero address modifier validAddress(address value_) { if (value_ == address(0)) { revert FluidVaultError(ErrorTypes.VaultFactory__InvalidParams); } _; } } /// @dev Implements Vault Factory auth-only callable methods. Owner / auths can set various config values and /// can define the allow-listed deployers. abstract contract VaultFactoryAuth is VaultFactoryCore { /// @notice Sets an address (`deployer_`) as allowed deployer or not. /// This function can only be called by the owner. /// @param deployer_ The address to be set as deployer. /// @param allowed_ A boolean indicating whether the specified address is allowed to deploy vaults. function setDeployer(address deployer_, bool allowed_) external onlyOwner validAddress(deployer_) { _deployers[deployer_] = allowed_; emit LogSetDeployer(deployer_, allowed_); } /// @notice Sets an address (`globalAuth_`) as a global authorization or not. /// This function can only be called by the owner. /// @param globalAuth_ The address to be set as global authorization. /// @param allowed_ A boolean indicating whether the specified address is allowed to update any vault config. function setGlobalAuth(address globalAuth_, bool allowed_) external onlyOwner validAddress(globalAuth_) { _globalAuths[globalAuth_] = allowed_; emit LogSetGlobalAuth(globalAuth_, allowed_); } /// @notice Sets an address (`vaultAuth_`) as allowed vault authorization or not for a specific vault (`vault_`). /// This function can only be called by the owner. /// @param vault_ The address of the vault for which the authorization is being set. /// @param vaultAuth_ The address to be set as vault authorization. /// @param allowed_ A boolean indicating whether the specified address is allowed to update the specific vault config. function setVaultAuth( address vault_, address vaultAuth_, bool allowed_ ) external onlyOwner validAddress(vaultAuth_) { _vaultAuths[vault_][vaultAuth_] = allowed_; emit LogSetVaultAuth(vaultAuth_, allowed_, vault_); } /// @notice Sets an address as allowed vault deployment logic (`deploymentLogic_`) contract or not. /// This function can only be called by the owner. /// @param deploymentLogic_ The address of the vault deployment logic contract to be set. /// @param allowed_ A boolean indicating whether the specified address is allowed to deploy new type of vault. function setVaultDeploymentLogic( address deploymentLogic_, bool allowed_ ) public onlyOwner validAddress(deploymentLogic_) { _vaultDeploymentLogics[deploymentLogic_] = allowed_; emit LogSetVaultDeploymentLogic(deploymentLogic_, allowed_); } /// @notice Spell allows owner aka governance to do any arbitrary call on factory /// @param target_ Address to which the call needs to be delegated /// @param data_ Data to execute at the delegated address function spell(address target_, bytes memory data_) external onlyOwner returns (bytes memory response_) { assembly { let succeeded := delegatecall(gas(), target_, add(data_, 0x20), mload(data_), 0, 0) let size := returndatasize() response_ := mload(0x40) mstore(0x40, add(response_, and(add(add(size, 0x20), 0x1f), not(0x1f)))) mstore(response_, size) returndatacopy(add(response_, 0x20), 0, size) switch iszero(succeeded) case 1 { // throw if delegatecall failed returndatacopy(0x00, 0x00, size) revert(0x00, size) } } } /// @notice Checks if the provided address (`deployer_`) is authorized as a deployer. /// @param deployer_ The address to be checked for deployer authorization. /// @return Returns `true` if the address is a deployer, otherwise `false`. function isDeployer(address deployer_) public view returns (bool) { return _deployers[deployer_] || owner == deployer_; } /// @notice Checks if the provided address (`globalAuth_`) has global vault authorization privileges. /// @param globalAuth_ The address to be checked for global authorization privileges. /// @return Returns `true` if the given address has global authorization privileges, otherwise `false`. function isGlobalAuth(address globalAuth_) public view returns (bool) { return _globalAuths[globalAuth_] || owner == globalAuth_; } /// @notice Checks if the provided address (`vaultAuth_`) has vault authorization privileges for the specified vault (`vault_`). /// @param vault_ The address of the vault to check. /// @param vaultAuth_ The address to be checked for vault authorization privileges. /// @return Returns `true` if the given address has vault authorization privileges for the specified vault, otherwise `false`. function isVaultAuth(address vault_, address vaultAuth_) public view returns (bool) { return _vaultAuths[vault_][vaultAuth_] || owner == vaultAuth_; } /// @notice Checks if the provided (`vaultDeploymentLogic_`) address has authorization for vault deployment. /// @param vaultDeploymentLogic_ The address of the vault deploy logic to check for authorization privileges. /// @return Returns `true` if the given address has authorization privileges for vault deployment, otherwise `false`. function isVaultDeploymentLogic(address vaultDeploymentLogic_) public view returns (bool) { return _vaultDeploymentLogics[vaultDeploymentLogic_]; } } /// @dev implements VaultFactory deploy vault related methods. abstract contract VaultFactoryDeployment is VaultFactoryCore, VaultFactoryAuth { /// @dev Deploys a contract using the CREATE opcode with the provided bytecode (`bytecode_`). /// This is an internal function, meant to be used within the contract to facilitate the deployment of other contracts. /// @param bytecode_ The bytecode of the contract to be deployed. /// @return address_ Returns the address of the deployed contract. function _deploy(bytes memory bytecode_) internal returns (address address_) { if (bytecode_.length == 0) { revert FluidVaultError(ErrorTypes.VaultFactory__InvalidOperation); } /// @solidity memory-safe-assembly assembly { address_ := create(0, add(bytecode_, 0x20), mload(bytecode_)) } if (address_ == address(0)) { revert FluidVaultError(ErrorTypes.VaultFactory__InvalidOperation); } } /// @notice Deploys a new vault using the specified deployment logic `vaultDeploymentLogic_` and data `vaultDeploymentData_`. /// Only accounts with deployer access or the owner can deploy a new vault. /// @param vaultDeploymentLogic_ The address of the vault deployment logic contract. /// @param vaultDeploymentData_ The data to be used for vault deployment. /// @return vault_ Returns the address of the newly deployed vault. function deployVault( address vaultDeploymentLogic_, bytes calldata vaultDeploymentData_ ) external returns (address vault_) { // Revert if msg.sender doesn't have deployer access or is an owner. if (!isDeployer(msg.sender)) revert FluidVaultError(ErrorTypes.VaultFactory__Unauthorized); // Revert if vaultDeploymentLogic_ is not whitelisted. if (!isVaultDeploymentLogic(vaultDeploymentLogic_)) revert FluidVaultError(ErrorTypes.VaultFactory__Unauthorized); // Vault ID for the new vault and also acts as `nonce` for CREATE uint256 vaultId_ = ++_totalVaults; // compute vault address for vault id. vault_ = getVaultAddress(vaultId_); // deploy the vault using vault deployment logic by making .delegatecall (bool success_, bytes memory data_) = vaultDeploymentLogic_.delegatecall(vaultDeploymentData_); if (!(success_ && vault_ == _deploy(abi.decode(data_, (bytes))) && isVault(vault_))) { revert FluidVaultError(ErrorTypes.VaultFactory__InvalidVaultAddress); } emit VaultDeployed(vault_, vaultId_); } /// @notice Computes the address of a vault based on its given ID (`vaultId_`). /// @param vaultId_ The ID of the vault. /// @return vault_ Returns the computed address of the vault. function getVaultAddress(uint256 vaultId_) public view returns (address vault_) { // @dev based on https://ethereum.stackexchange.com/a/61413 // nonce of smart contract always starts with 1. so, with nonce 0 there won't be any deployment // hence, nonce of vault deployment starts with 1. bytes memory data; if (vaultId_ == 0x00) { return address(0); } else if (vaultId_ <= 0x7f) { data = abi.encodePacked(bytes1(0xd6), bytes1(0x94), address(this), uint8(vaultId_)); } else if (vaultId_ <= 0xff) { data = abi.encodePacked(bytes1(0xd7), bytes1(0x94), address(this), bytes1(0x81), uint8(vaultId_)); } else if (vaultId_ <= 0xffff) { data = abi.encodePacked(bytes1(0xd8), bytes1(0x94), address(this), bytes1(0x82), uint16(vaultId_)); } else if (vaultId_ <= 0xffffff) { data = abi.encodePacked(bytes1(0xd9), bytes1(0x94), address(this), bytes1(0x83), uint24(vaultId_)); } else { data = abi.encodePacked(bytes1(0xda), bytes1(0x94), address(this), bytes1(0x84), uint32(vaultId_)); } return address(uint160(uint256(keccak256(data)))); } /// @notice Checks if a given address (`vault_`) corresponds to a valid vault. /// @param vault_ The vault address to check. /// @return Returns `true` if the given address corresponds to a valid vault, otherwise `false`. function isVault(address vault_) public view returns (bool) { if (vault_.code.length == 0) { return false; } else { // VAULT_ID() function signature is 0x540acabc (bool success_, bytes memory data_) = vault_.staticcall(hex"540acabc"); return success_ && vault_ == getVaultAddress(abi.decode(data_, (uint256))); } } /// @notice Returns the total number of vaults deployed by the factory. /// @return Returns the total number of vaults. function totalVaults() external view returns (uint256) { return _totalVaults; } } abstract contract VaultFactoryERC721 is VaultFactoryCore, VaultFactoryDeployment { /// @notice Mints a new ERC721 token for a specific vault (`vaultId_`) to a specified user (`user_`). /// Only the corresponding vault is authorized to mint a token. /// @param vaultId_ The ID of the vault that's minting the token. /// @param user_ The address receiving the minted token. /// @return tokenId_ The ID of the newly minted token. function mint(uint256 vaultId_, address user_) external returns (uint256 tokenId_) { if (msg.sender != getVaultAddress(vaultId_)) revert FluidVaultError(ErrorTypes.VaultFactory__InvalidVault); // Using _mint() instead of _safeMint() to allow any msg.sender to receive ERC721 without onERC721Received holder. tokenId_ = _mint(user_, vaultId_); emit NewPositionMinted(msg.sender, user_, tokenId_); } /// @notice Returns the URI of the specified token ID (`id_`). /// In this implementation, an empty string is returned as no specific URI is defined. /// @param id_ The ID of the token to query. /// @return An empty string since no specific URI is defined in this implementation. function tokenURI(uint256 id_) public view virtual override returns (string memory) { return ""; } } /// @title Fluid VaultFactory /// @notice creates Fluid vault protocol vaults, which are interacting with Fluid Liquidity to deposit / borrow funds. /// Vaults are created at a deterministic address, given an incrementing `vaultId` (see `getVaultAddress()`). /// Vaults can only be deployed by allow-listed deployer addresses. /// This factory also implements ERC721-Enumerable, the NFTs are used to represent created user positions. Only vaults /// can mint new NFTs. /// @dev Note the deployed vaults start out with no config at Liquidity contract. /// This must be done by Liquidity auths in a separate step, otherwise no deposits will be possible. /// This contract is not upgradeable. It supports adding new vault deployment logic contracts for new, future vaults. contract FluidVaultFactory is VaultFactoryCore, VaultFactoryAuth, VaultFactoryDeployment, VaultFactoryERC721 { constructor(address owner_) VaultFactoryCore(owner_) {} }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.21; /// @notice implements a method to read uint256 data from storage at a bytes32 storage slot key. contract StorageRead { function readFromStorage(bytes32 slot_) public view returns (uint256 result_) { assembly { result_ := sload(slot_) // read value from the storage slot } } }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.21; contract Error { error FluidVaultError(uint256 errorId_); /// @notice used to simulate liquidation to find the maximum liquidatable amounts error FluidLiquidateResult(uint256 colLiquidated, uint256 debtLiquidated); }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.21; library ErrorTypes { /***********************************| | Vault Factory | |__________________________________*/ uint256 internal constant VaultFactory__InvalidOperation = 30001; uint256 internal constant VaultFactory__Unauthorized = 30002; uint256 internal constant VaultFactory__SameTokenNotAllowed = 30003; uint256 internal constant VaultFactory__InvalidParams = 30004; uint256 internal constant VaultFactory__InvalidVault = 30005; uint256 internal constant VaultFactory__InvalidVaultAddress = 30006; uint256 internal constant VaultFactory__OnlyDelegateCallAllowed = 30007; /***********************************| | VaultT1 | |__________________________________*/ /// @notice thrown at reentrancy uint256 internal constant VaultT1__AlreadyEntered = 31001; /// @notice thrown when user sends deposit & borrow amount as 0 uint256 internal constant VaultT1__InvalidOperateAmount = 31002; /// @notice thrown when msg.value is not in sync with native token deposit or payback uint256 internal constant VaultT1__InvalidMsgValueOperate = 31003; /// @notice thrown when msg.sender is not the owner of the vault uint256 internal constant VaultT1__NotAnOwner = 31004; /// @notice thrown when user's position does not exist. Sending the wrong index from the frontend uint256 internal constant VaultT1__TickIsEmpty = 31005; /// @notice thrown when the user's position is above CF and the user tries to make it more risky by trying to withdraw or borrow uint256 internal constant VaultT1__PositionAboveCF = 31006; /// @notice thrown when the top tick is not initialized. Happens if the vault is totally new or all the user's left uint256 internal constant VaultT1__TopTickDoesNotExist = 31007; /// @notice thrown when msg.value in liquidate is not in sync payback uint256 internal constant VaultT1__InvalidMsgValueLiquidate = 31008; /// @notice thrown when slippage is more on liquidation than what the liquidator sent uint256 internal constant VaultT1__ExcessSlippageLiquidation = 31009; /// @notice thrown when msg.sender is not the rebalancer/reserve contract uint256 internal constant VaultT1__NotRebalancer = 31010; /// @notice thrown when NFT of one vault interacts with the NFT of other vault uint256 internal constant VaultT1__NftNotOfThisVault = 31011; /// @notice thrown when the token is not initialized on the liquidity contract uint256 internal constant VaultT1__TokenNotInitialized = 31012; /// @notice thrown when admin updates fallback if a non-auth calls vault uint256 internal constant VaultT1__NotAnAuth = 31013; /// @notice thrown in operate when user tries to witdhraw more collateral than deposited uint256 internal constant VaultT1__ExcessCollateralWithdrawal = 31014; /// @notice thrown in operate when user tries to payback more debt than borrowed uint256 internal constant VaultT1__ExcessDebtPayback = 31015; /// @notice thrown when user try to withdrawal more than operate's withdrawal limit uint256 internal constant VaultT1__WithdrawMoreThanOperateLimit = 31016; /// @notice thrown when caller of liquidityCallback is not Liquidity uint256 internal constant VaultT1__InvalidLiquidityCallbackAddress = 31017; /// @notice thrown when reentrancy is not already on uint256 internal constant VaultT1__NotEntered = 31018; /// @notice thrown when someone directly calls secondary implementation contract uint256 internal constant VaultT1__OnlyDelegateCallAllowed = 31019; /// @notice thrown when the safeTransferFrom for a token amount failed uint256 internal constant VaultT1__TransferFromFailed = 31020; /// @notice thrown when exchange price overflows while updating on storage uint256 internal constant VaultT1__ExchangePriceOverFlow = 31021; /// @notice thrown when debt to liquidate amt is sent wrong uint256 internal constant VaultT1__InvalidLiquidationAmt = 31022; /// @notice thrown when user debt or collateral goes above 2**128 or below -2**128 uint256 internal constant VaultT1__UserCollateralDebtExceed = 31023; /// @notice thrown if on liquidation branch debt becomes lower than 100 uint256 internal constant VaultT1__BranchDebtTooLow = 31024; /// @notice thrown when tick's debt is less than 10000 uint256 internal constant VaultT1__TickDebtTooLow = 31025; /// @notice thrown when the received new liquidity exchange price is of unexpected value (< than the old one) uint256 internal constant VaultT1__LiquidityExchangePriceUnexpected = 31026; /// @notice thrown when user's debt is less than 10000 uint256 internal constant VaultT1__UserDebtTooLow = 31027; /// @notice thrown when on only payback and only deposit the ratio of position increases uint256 internal constant VaultT1__InvalidPaybackOrDeposit = 31028; /// @notice thrown when liquidation just happens of a single partial uint256 internal constant VaultT1__InvalidLiquidation = 31029; /// @notice thrown when msg.value is sent wrong in rebalance uint256 internal constant VaultT1__InvalidMsgValueInRebalance = 31030; /// @notice thrown when nothing rebalanced uint256 internal constant VaultT1__NothingToRebalance = 31031; /***********************************| | ERC721 | |__________________________________*/ uint256 internal constant ERC721__InvalidParams = 32001; uint256 internal constant ERC721__Unauthorized = 32002; uint256 internal constant ERC721__InvalidOperation = 32003; uint256 internal constant ERC721__UnsafeRecipient = 32004; uint256 internal constant ERC721__OutOfBoundsIndex = 32005; /***********************************| | Vault Admin | |__________________________________*/ /// @notice thrown when admin tries to setup invalid value which are crossing limits uint256 internal constant VaultT1Admin__ValueAboveLimit = 33001; /// @notice when someone directly calls admin implementation contract uint256 internal constant VaultT1Admin__OnlyDelegateCallAllowed = 33002; /// @notice thrown when auth sends NFT ID as 0 while collecting dust debt uint256 internal constant VaultT1Admin__NftIdShouldBeNonZero = 33003; /// @notice thrown when trying to collect dust debt of NFT which is not of this vault uint256 internal constant VaultT1Admin__NftNotOfThisVault = 33004; /// @notice thrown when dust debt of NFT is 0, meaning nothing to collect uint256 internal constant VaultT1Admin__DustDebtIsZero = 33005; /// @notice thrown when final debt after liquidation is not 0, meaning position 100% liquidated uint256 internal constant VaultT1Admin__FinalDebtShouldBeZero = 33006; /// @notice thrown when NFT is not liquidated state uint256 internal constant VaultT1Admin__NftNotLiquidated = 33007; /// @notice thrown when total absorbed dust debt is 0 uint256 internal constant VaultT1Admin__AbsorbedDustDebtIsZero = 33008; /// @notice thrown when address is set as 0 uint256 internal constant VaultT1Admin__AddressZeroNotAllowed = 33009; /***********************************| | Vault Rewards | |__________________________________*/ uint256 internal constant VaultRewards__Unauthorized = 34001; uint256 internal constant VaultRewards__AddressZero = 34002; uint256 internal constant VaultRewards__InvalidParams = 34003; uint256 internal constant VaultRewards__NewMagnifierSameAsOldMagnifier = 34004; uint256 internal constant VaultRewards__NotTheInitiator = 34005; uint256 internal constant VaultRewards__AlreadyStarted = 34006; uint256 internal constant VaultRewards__RewardsNotStartedOrEnded = 34007; }
// SPDX-License-Identifier: BUSL-1.1 pragma solidity 0.8.21; import { ErrorTypes } from "../../errorTypes.sol"; import { Error } from "../../error.sol"; /// @notice Fluid Vault Factory ERC721 base contract. Implements the ERC721 standard, based on Solmate. /// In addition, implements ERC721 Enumerable. /// Modern, minimalist, and gas efficient ERC-721 with Enumerable implementation. /// /// @author Instadapp /// @author Modified Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC721.sol) abstract contract ERC721 is Error { /*////////////////////////////////////////////////////////////// EVENTS //////////////////////////////////////////////////////////////*/ event Transfer(address indexed from, address indexed to, uint256 indexed id); event Approval(address indexed owner, address indexed spender, uint256 indexed id); event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /*////////////////////////////////////////////////////////////// METADATA STORAGE/LOGIC //////////////////////////////////////////////////////////////*/ string public name; string public symbol; function tokenURI(uint256 id) public view virtual returns (string memory); /*////////////////////////////////////////////////////////////// ERC721 BALANCE/OWNER STORAGE //////////////////////////////////////////////////////////////*/ // token id => token config // uint160 0 - 159: address:: owner // uint32 160 - 191: uint32:: index // uint32 192 - 223: uint32:: vaultId // uint32 224 - 255: uint32:: null mapping(uint256 => uint256) internal _tokenConfig; // owner => slot => index /* // slot 0: // uint32 0 - 31: uint32:: balanceOf // uint224 32 - 255: 7 tokenIds each of uint32 packed // slot N (N >= 1) // uint32 * 8 each tokenId */ mapping(address => mapping(uint256 => uint256)) internal _ownerConfig; /// @notice returns `owner_` of NFT with `id_` function ownerOf(uint256 id_) public view virtual returns (address owner_) { if ((owner_ = address(uint160(_tokenConfig[id_]))) == address(0)) revert FluidVaultError(ErrorTypes.ERC721__InvalidParams); } /// @notice returns total count of NFTs owned by `owner_` function balanceOf(address owner_) public view virtual returns (uint256) { if (owner_ == address(0)) revert FluidVaultError(ErrorTypes.ERC721__InvalidParams); return _ownerConfig[owner_][0] & type(uint32).max; } /*////////////////////////////////////////////////////////////// ERC721Enumerable STORAGE //////////////////////////////////////////////////////////////*/ /// @notice total amount of tokens stored by the contract. uint256 public totalSupply; /*////////////////////////////////////////////////////////////// ERC721 APPROVAL STORAGE //////////////////////////////////////////////////////////////*/ /// @notice trackes if a NFT id is approved for a certain address. mapping(uint256 => address) public getApproved; /// @notice trackes if all the NFTs of an owner are approved for a certain other address. mapping(address => mapping(address => bool)) public isApprovedForAll; /*////////////////////////////////////////////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////*/ constructor(string memory _name, string memory _symbol) { name = _name; symbol = _symbol; } /*////////////////////////////////////////////////////////////// ERC721 LOGIC //////////////////////////////////////////////////////////////*/ /// @notice approves an NFT with `id_` to be spent (transferred) by `spender_` function approve(address spender_, uint256 id_) public virtual { address owner_ = address(uint160(_tokenConfig[id_])); if (!(msg.sender == owner_ || isApprovedForAll[owner_][msg.sender])) revert FluidVaultError(ErrorTypes.ERC721__Unauthorized); getApproved[id_] = spender_; emit Approval(owner_, spender_, id_); } /// @notice approves all NFTs owned by msg.sender to be spent (transferred) by `operator_` function setApprovalForAll(address operator_, bool approved_) public virtual { isApprovedForAll[msg.sender][operator_] = approved_; emit ApprovalForAll(msg.sender, operator_, approved_); } /// @notice transfers an NFT with `id_` `from_` address `to_` address without safe check function transferFrom(address from_, address to_, uint256 id_) public virtual { uint256 tokenConfig_ = _tokenConfig[id_]; if (from_ != address(uint160(tokenConfig_))) revert FluidVaultError(ErrorTypes.ERC721__InvalidParams); if (!(msg.sender == from_ || isApprovedForAll[from_][msg.sender] || msg.sender == getApproved[id_])) revert FluidVaultError(ErrorTypes.ERC721__Unauthorized); // call _transfer with vaultId extracted from tokenConfig_ _transfer(from_, to_, id_, (tokenConfig_ >> 192) & type(uint32).max); delete getApproved[id_]; emit Transfer(from_, to_, id_); } /// @notice transfers an NFT with `id_` `from_` address `to_` address function safeTransferFrom(address from_, address to_, uint256 id_) public virtual { transferFrom(from_, to_, id_); if ( !(to_.code.length == 0 || ERC721TokenReceiver(to_).onERC721Received(msg.sender, from_, id_, "") == ERC721TokenReceiver.onERC721Received.selector) ) revert FluidVaultError(ErrorTypes.ERC721__UnsafeRecipient); } /// @notice transfers an NFT with `id_` `from_` address `to_` address, passing `data_` to `onERC721Received` callback function safeTransferFrom(address from_, address to_, uint256 id_, bytes calldata data_) public virtual { transferFrom(from_, to_, id_); if ( !((to_.code.length == 0) || ERC721TokenReceiver(to_).onERC721Received(msg.sender, from_, id_, data_) == ERC721TokenReceiver.onERC721Received.selector) ) revert FluidVaultError(ErrorTypes.ERC721__UnsafeRecipient); } /*////////////////////////////////////////////////////////////// ERC721Enumerable LOGIC //////////////////////////////////////////////////////////////*/ /// @notice Returns a token ID at a given `index_` of all the tokens stored by the contract. /// Use along with {totalSupply} to enumerate all tokens. function tokenByIndex(uint256 index_) external view returns (uint256) { if (index_ >= totalSupply) { revert FluidVaultError(ErrorTypes.ERC721__OutOfBoundsIndex); } return index_ + 1; } /// @notice Returns a token ID owned by `owner_` at a given `index_` of its token list. /// Use along with {balanceOf} to enumerate all of `owner_`'s tokens. function tokenOfOwnerByIndex(address owner_, uint256 index_) external view returns (uint256) { if (index_ >= balanceOf(owner_)) { revert FluidVaultError(ErrorTypes.ERC721__OutOfBoundsIndex); } index_ = index_ + 1; return (_ownerConfig[owner_][index_ / 8] >> ((index_ % 8) * 32)) & type(uint32).max; } /*////////////////////////////////////////////////////////////// ERC165 LOGIC //////////////////////////////////////////////////////////////*/ function supportsInterface(bytes4 interfaceId_) public view virtual returns (bool) { return interfaceId_ == 0x01ffc9a7 || // ERC165 Interface ID for ERC165 interfaceId_ == 0x80ac58cd || // ERC165 Interface ID for ERC721 interfaceId_ == 0x5b5e139f || // ERC165 Interface ID for ERC721Metadata interfaceId_ == 0x780e9d63; // ERC165 Interface ID for ERC721Enumberable } /*////////////////////////////////////////////////////////////// INTERNAL TRANSFER LOGIC //////////////////////////////////////////////////////////////*/ function _transfer(address from_, address to_, uint256 id_, uint256 vaultId_) internal { if (to_ == address(0)) { revert FluidVaultError(ErrorTypes.ERC721__InvalidOperation); } else if (from_ == address(0)) { _add(to_, id_, vaultId_); } else if (to_ != from_) { _remove(from_, id_); _add(to_, id_, vaultId_); } } function _add(address user_, uint256 id_, uint256 vaultId_) private { uint256 ownerConfig_ = _ownerConfig[user_][0]; unchecked { // index starts from `1` uint256 balanceOf_ = (ownerConfig_ & type(uint32).max) + 1; _tokenConfig[id_] = (uint160(user_) | (balanceOf_ << 160) | (vaultId_ << 192)); _ownerConfig[user_][0] = (ownerConfig_ & ~uint256(type(uint32).max)) | (balanceOf_); uint256 wordIndex_ = (balanceOf_ / 8); _ownerConfig[user_][wordIndex_] = _ownerConfig[user_][wordIndex_] | (id_ << ((balanceOf_ % 8) * 32)); } } function _remove(address user_, uint256 id_) private { uint256 temp_ = _tokenConfig[id_]; // fetching `id_` details and deleting it. uint256 tokenIndex_ = (temp_ >> 160) & type(uint32).max; _tokenConfig[id_] = 0; // fetching & updating balance temp_ = _ownerConfig[user_][0]; uint256 lastTokenIndex_ = (temp_ & type(uint32).max); // (lastTokenIndex_ = balanceOf) _ownerConfig[user_][0] = (temp_ & ~uint256(type(uint32).max)) | (lastTokenIndex_ - 1); { unchecked { uint256 lastTokenWordIndex_ = (lastTokenIndex_ / 8); uint256 lastTokenBitShift_ = (lastTokenIndex_ % 8) * 32; temp_ = _ownerConfig[user_][lastTokenWordIndex_]; // replace `id_` tokenId with `last` tokenId. if (lastTokenIndex_ != tokenIndex_) { uint256 wordIndex_ = (tokenIndex_ / 8); uint256 bitShift_ = (tokenIndex_ % 8) * 32; // temp_ here is _ownerConfig[user_][lastTokenWordIndex_]; uint256 lastTokenId_ = uint256((temp_ >> lastTokenBitShift_) & type(uint32).max); if (wordIndex_ == lastTokenWordIndex_) { // this case, when lastToken and currentToken are in same slot. // updating temp_ as we will remove the lastToken from this slot itself temp_ = (temp_ & ~(uint256(type(uint32).max) << bitShift_)) | (lastTokenId_ << bitShift_); } else { _ownerConfig[user_][wordIndex_] = (_ownerConfig[user_][wordIndex_] & ~(uint256(type(uint32).max) << bitShift_)) | (lastTokenId_ << bitShift_); } _tokenConfig[lastTokenId_] = (_tokenConfig[lastTokenId_] & ~(uint256(type(uint32).max) << 160)) | (tokenIndex_ << 160); } // temp_ here is _ownerConfig[user_][lastTokenWordIndex_]; _ownerConfig[user_][lastTokenWordIndex_] = temp_ & ~(uint256(type(uint32).max) << lastTokenBitShift_); } } } /*////////////////////////////////////////////////////////////// INTERNAL MINT LOGIC //////////////////////////////////////////////////////////////*/ function _mint(address to_, uint256 vaultId_) internal virtual returns (uint256 id_) { unchecked { ++totalSupply; } id_ = totalSupply; if (id_ >= type(uint32).max || _tokenConfig[id_] != 0) revert FluidVaultError(ErrorTypes.ERC721__InvalidParams); _transfer(address(0), to_, id_, vaultId_); emit Transfer(address(0), to_, id_); } } abstract contract ERC721TokenReceiver { function onERC721Received(address, address, uint256, bytes calldata) external virtual returns (bytes4) { return ERC721TokenReceiver.onERC721Received.selector; } }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; /// @notice Simple single owner authorization mixin. /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Owned.sol) abstract contract Owned { /*////////////////////////////////////////////////////////////// EVENTS //////////////////////////////////////////////////////////////*/ event OwnershipTransferred(address indexed user, address indexed newOwner); /*////////////////////////////////////////////////////////////// OWNERSHIP STORAGE //////////////////////////////////////////////////////////////*/ address public owner; modifier onlyOwner() virtual { require(msg.sender == owner, "UNAUTHORIZED"); _; } /*////////////////////////////////////////////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////*/ constructor(address _owner) { owner = _owner; emit OwnershipTransferred(address(0), _owner); } /*////////////////////////////////////////////////////////////// OWNERSHIP LOGIC //////////////////////////////////////////////////////////////*/ function transferOwnership(address newOwner) public virtual onlyOwner { owner = newOwner; emit OwnershipTransferred(msg.sender, newOwner); } }
{ "optimizer": { "enabled": true, "runs": 10000000 }, "evmVersion": "paris", "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000004f6f977acdd1177dcd81ab83074855ecb9c2d49e
-----Decoded View---------------
Arg [0] : owner_ (address): 0x4F6F977aCDD1177DCD81aB83074855EcB9C2D49e
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000004f6f977acdd1177dcd81ab83074855ecb9c2d49e
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