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Contract Name:
NonfungibleTokenPositionDescriptor
Compiler Version
v0.7.6+commit.7338295f
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity =0.7.6;
pragma abicoder v2;
import "contracts/core/interfaces/ICLPool.sol";
import "@uniswap/contracts/libraries/SafeERC20Namer.sol";
import "base64-sol/base64.sol";
import "./libraries/ChainId.sol";
import "./interfaces/INonfungiblePositionManager.sol";
import "./interfaces/INonfungibleTokenPositionDescriptor.sol";
import "./interfaces/IERC20Metadata.sol";
import "./libraries/PoolAddress.sol";
import "./libraries/NFTDescriptor.sol";
import "./libraries/TokenRatioSortOrder.sol";
/// @title Describes NFT token positions
/// @notice Produces a string containing the data URI for a JSON metadata string
contract NonfungibleTokenPositionDescriptor is INonfungibleTokenPositionDescriptor {
address private constant DAI = 0x6B175474E89094C44Da98b954EedeAC495271d0F;
address private constant USDC = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
address private constant USDT = 0xdAC17F958D2ee523a2206206994597C13D831ec7;
address private constant TBTC = 0x8dAEBADE922dF735c38C80C7eBD708Af50815fAa;
address private constant WBTC = 0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599;
address public immutable WETH9;
/// @dev A null-terminated string
bytes32 public immutable nativeCurrencyLabelBytes;
constructor(address _WETH9, bytes32 _nativeCurrencyLabelBytes) {
WETH9 = _WETH9;
nativeCurrencyLabelBytes = _nativeCurrencyLabelBytes;
}
/// @notice Returns the native currency label as a string
function nativeCurrencyLabel() public view returns (string memory) {
uint256 len = 0;
while (len < 32 && nativeCurrencyLabelBytes[len] != 0) {
len++;
}
bytes memory b = new bytes(len);
for (uint256 i = 0; i < len; i++) {
b[i] = nativeCurrencyLabelBytes[i];
}
return string(b);
}
/// @inheritdoc INonfungibleTokenPositionDescriptor
function tokenURI(INonfungiblePositionManager positionManager, uint256 tokenId)
external
view
override
returns (string memory)
{
(,, address token0, address token1, int24 tickSpacing, int24 tickLower, int24 tickUpper,,,,,) =
positionManager.positions(tokenId);
ICLPool pool = ICLPool(
PoolAddress.computeAddress(
positionManager.factory(),
PoolAddress.PoolKey({token0: token0, token1: token1, tickSpacing: tickSpacing})
)
);
bool _flipRatio = flipRatio(token0, token1, ChainId.get());
address quoteTokenAddress = !_flipRatio ? token1 : token0;
address baseTokenAddress = !_flipRatio ? token0 : token1;
(, int24 tick, , , , ) = pool.slot0();
return
NFTDescriptor.constructTokenURI(
NFTDescriptor.ConstructTokenURIParams({
tokenId: tokenId,
quoteTokenAddress: quoteTokenAddress,
baseTokenAddress: baseTokenAddress,
quoteTokenSymbol: quoteTokenAddress == WETH9
? nativeCurrencyLabel()
: SafeERC20Namer.tokenSymbol(quoteTokenAddress),
baseTokenSymbol: baseTokenAddress == WETH9
? nativeCurrencyLabel()
: SafeERC20Namer.tokenSymbol(baseTokenAddress),
quoteTokenDecimals: IERC20Metadata(quoteTokenAddress).decimals(),
baseTokenDecimals: IERC20Metadata(baseTokenAddress).decimals(),
flipRatio: _flipRatio,
tickLower: tickLower,
tickUpper: tickUpper,
tickCurrent: tick,
tickSpacing: tickSpacing,
poolAddress: address(pool)
})
);
}
function tokensOwed(INonfungiblePositionManager positionManager, uint256 tokenId, bool _flipRatio)
internal
view
returns (uint256 quoteTokensOwed, uint256 baseTokensOwed)
{
(,,,,,,,,,, uint256 tokensOwed0, uint256 tokensOwed1) = positionManager.positions(tokenId);
quoteTokensOwed = _flipRatio ? tokensOwed1 : tokensOwed0;
baseTokensOwed = _flipRatio ? tokensOwed0 : tokensOwed1;
}
function flipRatio(address token0, address token1, uint256 chainId) public view returns (bool) {
return tokenRatioPriority(token0, chainId) > tokenRatioPriority(token1, chainId);
}
function tokenRatioPriority(address token, uint256 chainId) public view returns (int256) {
if (token == WETH9) {
return TokenRatioSortOrder.DENOMINATOR;
}
if (chainId == 1) {
if (token == USDC) {
return TokenRatioSortOrder.NUMERATOR_MOST;
} else if (token == USDT) {
return TokenRatioSortOrder.NUMERATOR_MORE;
} else if (token == DAI) {
return TokenRatioSortOrder.NUMERATOR;
} else if (token == TBTC) {
return TokenRatioSortOrder.DENOMINATOR_MORE;
} else if (token == WBTC) {
return TokenRatioSortOrder.DENOMINATOR_MOST;
} else {
return 0;
}
}
return 0;
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
import {IVoter} from "contracts/core/interfaces/IVoter.sol";
import {IFactoryRegistry} from "contracts/core/interfaces/IFactoryRegistry.sol";
/// @title The interface for the CL Factory
/// @notice The CL Factory facilitates creation of CL pools and control over the protocol fees
interface ICLFactory {
/// @notice Emitted when the owner of the factory is changed
/// @param oldOwner The owner before the owner was changed
/// @param newOwner The owner after the owner was changed
event OwnerChanged(address indexed oldOwner, address indexed newOwner);
event VoterChanged(address indexed oldVoter, address indexed newVoter);
/// @notice Emitted when the swapFeeManager of the factory is changed
/// @param oldFeeManager The swapFeeManager before the swapFeeManager was changed
/// @param newFeeManager The swapFeeManager after the swapFeeManager was changed
event SwapFeeManagerChanged(address indexed oldFeeManager, address indexed newFeeManager);
/// @notice Emitted when the swapFeeModule of the factory is changed
/// @param oldFeeModule The swapFeeModule before the swapFeeModule was changed
/// @param newFeeModule The swapFeeModule after the swapFeeModule was changed
event SwapFeeModuleChanged(address indexed oldFeeModule, address indexed newFeeModule);
/// @notice Emitted when the unstakedFeeManager of the factory is changed
/// @param oldFeeManager The unstakedFeeManager before the unstakedFeeManager was changed
/// @param newFeeManager The unstakedFeeManager after the unstakedFeeManager was changed
event UnstakedFeeManagerChanged(address indexed oldFeeManager, address indexed newFeeManager);
/// @notice Emitted when the unstakedFeeModule of the factory is changed
/// @param oldFeeModule The unstakedFeeModule before the unstakedFeeModule was changed
/// @param newFeeModule The unstakedFeeModule after the unstakedFeeModule was changed
event UnstakedFeeModuleChanged(address indexed oldFeeModule, address indexed newFeeModule);
/// @notice Emitted when the defaultUnstakedFee of the factory is changed
/// @param oldUnstakedFee The defaultUnstakedFee before the defaultUnstakedFee was changed
/// @param newUnstakedFee The defaultUnstakedFee after the unstakedFeeModule was changed
event DefaultUnstakedFeeChanged(uint24 indexed oldUnstakedFee, uint24 indexed newUnstakedFee);
/// @notice Emitted when a pool is created
/// @param token0 The first token of the pool by address sort order
/// @param token1 The second token of the pool by address sort order
/// @param tickSpacing The minimum number of ticks between initialized ticks
/// @param pool The address of the created pool
event PoolCreated(address indexed token0, address indexed token1, int24 indexed tickSpacing, address pool);
/// @notice Emitted when a new tick spacing is enabled for pool creation via the factory
/// @param tickSpacing The minimum number of ticks between initialized ticks for pools
/// @param fee The default fee for a pool created with a given tickSpacing
event TickSpacingEnabled(int24 indexed tickSpacing, uint24 indexed fee);
/// @notice The voter contract, used to create gauges
/// @return The address of the voter contract
function voter() external view returns (IVoter);
/// @notice The address of the pool implementation contract used to deploy proxies / clones
/// @return The address of the pool implementation contract
function poolImplementation() external view returns (address);
/// @notice Factory registry for valid pool / gauge / rewards factories
/// @return The address of the factory registry
function factoryRegistry() external view returns (IFactoryRegistry);
/// @notice Returns the current owner of the factory
/// @dev Can be changed by the current owner via setOwner
/// @return The address of the factory owner
function owner() external view returns (address);
/// @notice Returns the current swapFeeManager of the factory
/// @dev Can be changed by the current swap fee manager via setSwapFeeManager
/// @return The address of the factory swapFeeManager
function swapFeeManager() external view returns (address);
/// @notice Returns the current swapFeeModule of the factory
/// @dev Can be changed by the current swap fee manager via setSwapFeeModule
/// @return The address of the factory swapFeeModule
function swapFeeModule() external view returns (address);
/// @notice Returns the current unstakedFeeManager of the factory
/// @dev Can be changed by the current unstaked fee manager via setUnstakedFeeManager
/// @return The address of the factory unstakedFeeManager
function unstakedFeeManager() external view returns (address);
/// @notice Returns the current unstakedFeeModule of the factory
/// @dev Can be changed by the current unstaked fee manager via setUnstakedFeeModule
/// @return The address of the factory unstakedFeeModule
function unstakedFeeModule() external view returns (address);
/// @notice Returns the current defaultUnstakedFee of the factory
/// @dev Can be changed by the current unstaked fee manager via setDefaultUnstakedFee
/// @return The default Unstaked Fee of the factory
function defaultUnstakedFee() external view returns (uint24);
/// @notice Returns a default fee for a tick spacing.
/// @dev Use getFee for the most up to date fee for a given pool.
/// A tick spacing can never be removed, so this value should be hard coded or cached in the calling context
/// @param tickSpacing The enabled tick spacing. Returns 0 if not enabled
/// @return fee The default fee for the given tick spacing
function tickSpacingToFee(int24 tickSpacing) external view returns (uint24 fee);
/// @notice Returns a list of enabled tick spacings. Used to iterate through pools created by the factory
/// @dev Tick spacings cannot be removed. Tick spacings are not ordered
/// @return List of enabled tick spacings
function tickSpacings() external view returns (int24[] memory);
/// @notice Returns the pool address for a given pair of tokens and a tick spacing, or address 0 if it does not exist
/// @dev tokenA and tokenB may be passed in either token0/token1 or token1/token0 order
/// @param tokenA The contract address of either token0 or token1
/// @param tokenB The contract address of the other token
/// @param tickSpacing The tick spacing of the pool
/// @return pool The pool address
function getPool(address tokenA, address tokenB, int24 tickSpacing) external view returns (address pool);
/// @notice Return address of pool created by this factory given its `index`
/// @param index Index of the pool
/// @return The pool address in the given index
function allPools(uint256 index) external view returns (address);
/// @notice Returns the number of pools created from this factory
/// @return Number of pools created from this factory
function allPoolsLength() external view returns (uint256);
/// @notice Used in VotingEscrow to determine if a contract is a valid pool of the factory
/// @param pool The address of the pool to check
/// @return Whether the pool is a valid pool of the factory
function isPair(address pool) external view returns (bool);
/// @notice Get swap & flash fee for a given pool. Accounts for default and dynamic fees
/// @dev Swap & flash fee is denominated in pips. i.e. 1e-6
/// @param pool The pool to get the swap & flash fee for
/// @return The swap & flash fee for the given pool
function getSwapFee(address pool) external view returns (uint24);
/// @notice Get unstaked fee for a given pool. Accounts for default and dynamic fees
/// @dev Unstaked fee is denominated in pips. i.e. 1e-6
/// @param pool The pool to get the unstaked fee for
/// @return The unstaked fee for the given pool
function getUnstakedFee(address pool) external view returns (uint24);
/// @notice Creates a pool for the given two tokens and fee
/// @param tokenA One of the two tokens in the desired pool
/// @param tokenB The other of the two tokens in the desired pool
/// @param tickSpacing The desired tick spacing for the pool
/// @param sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96
/// @dev tokenA and tokenB may be passed in either order: token0/token1 or token1/token0. The call will
/// revert if the pool already exists, the tick spacing is invalid, or the token arguments are invalid
/// @return pool The address of the newly created pool
function createPool(address tokenA, address tokenB, int24 tickSpacing, uint160 sqrtPriceX96)
external
returns (address pool);
/// @notice Updates the owner of the factory
/// @dev Must be called by the current owner
/// @param _owner The new owner of the factory
function setOwner(address _owner) external;
/// @notice Updates the swapFeeManager of the factory
/// @dev Must be called by the current swap fee manager
/// @param _swapFeeManager The new swapFeeManager of the factory
function setSwapFeeManager(address _swapFeeManager) external;
/// @notice Updates the swapFeeModule of the factory
/// @dev Must be called by the current swap fee manager
/// @param _swapFeeModule The new swapFeeModule of the factory
function setSwapFeeModule(address _swapFeeModule) external;
/// @notice Updates the unstakedFeeManager of the factory
/// @dev Must be called by the current unstaked fee manager
/// @param _unstakedFeeManager The new unstakedFeeManager of the factory
function setUnstakedFeeManager(address _unstakedFeeManager) external;
/// @notice Updates the unstakedFeeModule of the factory
/// @dev Must be called by the current unstaked fee manager
/// @param _unstakedFeeModule The new unstakedFeeModule of the factory
function setUnstakedFeeModule(address _unstakedFeeModule) external;
/// @notice Updates the defaultUnstakedFee of the factory
/// @dev Must be called by the current unstaked fee manager
/// @param _defaultUnstakedFee The new defaultUnstakedFee of the factory
function setDefaultUnstakedFee(uint24 _defaultUnstakedFee) external;
/// @notice Enables a certain tickSpacing
/// @dev Tick spacings may never be removed once enabled
/// @param tickSpacing The spacing between ticks to be enforced in the pool
/// @param fee The default fee associated with a given tick spacing
function enableTickSpacing(int24 tickSpacing, uint24 fee) external;
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
import "./pool/ICLPoolConstants.sol";
import "./pool/ICLPoolState.sol";
import "./pool/ICLPoolDerivedState.sol";
import "./pool/ICLPoolActions.sol";
import "./pool/ICLPoolOwnerActions.sol";
import "./pool/ICLPoolEvents.sol";
/// @title The interface for a CL Pool
/// @notice A CL pool facilitates swapping and automated market making between any two assets that strictly conform
/// to the ERC20 specification
/// @dev The pool interface is broken up into many smaller pieces
interface ICLPool is
ICLPoolConstants,
ICLPoolState,
ICLPoolDerivedState,
ICLPoolActions,
ICLPoolEvents,
ICLPoolOwnerActions
{}// SPDX-License-Identifier: MIT
pragma solidity =0.7.6;
interface IFactoryRegistry {
function approve(address poolFactory, address votingRewardsFactory, address gaugeFactory) external;
function isPoolFactoryApproved(address poolFactory) external returns (bool);
function factoriesToPoolFactory(address poolFactory)
external
returns (address votingRewardsFactory, address gaugeFactory);
}// SPDX-License-Identifier: MIT
pragma solidity =0.7.6;
pragma abicoder v2;
import {IVotingEscrow} from "contracts/core/interfaces/IVotingEscrow.sol";
import {IFactoryRegistry} from "contracts/core/interfaces/IFactoryRegistry.sol";
interface IVoter {
function ve() external view returns (IVotingEscrow);
function vote(uint256 _tokenId, address[] calldata _poolVote, uint256[] calldata _weights) external;
function gauges(address _pool) external view returns (address);
function gaugeToFees(address _gauge) external view returns (address);
function gaugeToBribes(address _gauge) external view returns (address);
function createGauge(address _poolFactory, address _pool) external returns (address);
function distribute(address gauge) external;
function factoryRegistry() external view returns (IFactoryRegistry);
/// @dev Utility to distribute to gauges of pools in array.
/// @param _gauges Array of gauges to distribute to.
function distribute(address[] memory _gauges) external;
function isAlive(address _gauge) external view returns (bool);
function killGauge(address _gauge) external;
function emergencyCouncil() external view returns (address);
/// @notice Claim emissions from gauges.
/// @param _gauges Array of gauges to collect emissions from.
function claimRewards(address[] memory _gauges) external;
/// @notice Claim fees for a given NFT.
/// @dev Utility to help batch fee claims.
/// @param _fees Array of FeesVotingReward contracts to collect from.
/// @param _tokens Array of tokens that are used as fees.
/// @param _tokenId Id of veNFT that you wish to claim fees for.
function claimFees(address[] memory _fees, address[][] memory _tokens, uint256 _tokenId) external;
}// SPDX-License-Identifier: MIT
pragma solidity =0.7.6;
interface IVotingEscrow {
function team() external returns (address);
/// @notice Deposit `_value` tokens for `msg.sender` and lock for `_lockDuration`
/// @param _value Amount to deposit
/// @param _lockDuration Number of seconds to lock tokens for (rounded down to nearest week)
/// @return TokenId of created veNFT
function createLock(uint256 _value, uint256 _lockDuration) external returns (uint256);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Permissionless pool actions
/// @notice Contains pool methods that can be called by anyone
interface ICLPoolActions {
/// @notice Initialize function used in proxy deployment
/// @dev Can be called once only
/// Price is represented as a sqrt(amountToken1/amountToken0) Q64.96 value
/// @dev not locked because it initializes unlocked
/// @param _factory The CL factory contract address
/// @param _token0 The first token of the pool by address sort order
/// @param _token1 The second token of the pool by address sort order
/// @param _tickSpacing The pool tick spacing
/// @param _sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96
function initialize(
address _factory,
address _token0,
address _token1,
int24 _tickSpacing,
uint160 _sqrtPriceX96
) external;
/// @notice Initialize gauge and nft manager
/// @dev Callable only once, by the gauge factory
/// @param _gauge The gauge corresponding to this pool
/// @param _nft The position manager used for position management
function setGaugeAndPositionManager(address _gauge, address _nft) external;
/// @notice Adds liquidity for the given recipient/tickLower/tickUpper position
/// @dev The caller of this method receives a callback in the form of ICLMintCallback#uniswapV3MintCallback
/// in which they must pay any token0 or token1 owed for the liquidity. The amount of token0/token1 due depends
/// on tickLower, tickUpper, the amount of liquidity, and the current price.
/// @param recipient The address for which the liquidity will be created
/// @param tickLower The lower tick of the position in which to add liquidity
/// @param tickUpper The upper tick of the position in which to add liquidity
/// @param amount The amount of liquidity to mint
/// @param data Any data that should be passed through to the callback
/// @return amount0 The amount of token0 that was paid to mint the given amount of liquidity. Matches the value in the callback
/// @return amount1 The amount of token1 that was paid to mint the given amount of liquidity. Matches the value in the callback
function mint(address recipient, int24 tickLower, int24 tickUpper, uint128 amount, bytes calldata data)
external
returns (uint256 amount0, uint256 amount1);
/// @notice Collects tokens owed to a position
/// @dev Does not recompute fees earned, which must be done either via mint or burn of any amount of liquidity.
/// Collect must be called by the position owner. To withdraw only token0 or only token1, amount0Requested or
/// amount1Requested may be set to zero. To withdraw all tokens owed, caller may pass any value greater than the
/// actual tokens owed, e.g. type(uint128).max. Tokens owed may be from accumulated swap fees or burned liquidity.
/// @param recipient The address which should receive the fees collected
/// @param tickLower The lower tick of the position for which to collect fees
/// @param tickUpper The upper tick of the position for which to collect fees
/// @param amount0Requested How much token0 should be withdrawn from the fees owed
/// @param amount1Requested How much token1 should be withdrawn from the fees owed
/// @return amount0 The amount of fees collected in token0
/// @return amount1 The amount of fees collected in token1
function collect(
address recipient,
int24 tickLower,
int24 tickUpper,
uint128 amount0Requested,
uint128 amount1Requested
) external returns (uint128 amount0, uint128 amount1);
/// @notice Collects tokens owed to a position
/// @dev Does not recompute fees earned, which must be done either via mint or burn of any amount of liquidity.
/// Collect must be called by the position owner. To withdraw only token0 or only token1, amount0Requested or
/// amount1Requested may be set to zero. To withdraw all tokens owed, caller may pass any value greater than the
/// actual tokens owed, e.g. type(uint128).max. Tokens owed may be from accumulated swap fees or burned liquidity.
/// @param recipient The address which should receive the fees collected
/// @param tickLower The lower tick of the position for which to collect fees
/// @param tickUpper The upper tick of the position for which to collect fees
/// @param amount0Requested How much token0 should be withdrawn from the fees owed
/// @param amount1Requested How much token1 should be withdrawn from the fees owed
/// @param owner Owner of the position in the pool (nft manager or gauge)
/// @return amount0 The amount of fees collected in token0
/// @return amount1 The amount of fees collected in token1
function collect(
address recipient,
int24 tickLower,
int24 tickUpper,
uint128 amount0Requested,
uint128 amount1Requested,
address owner
) external returns (uint128 amount0, uint128 amount1);
/// @notice Burn liquidity from the sender and account tokens owed for the liquidity to the position
/// @dev Can be used to trigger a recalculation of fees owed to a position by calling with an amount of 0
/// @dev Fees must be collected separately via a call to #collect
/// @param tickLower The lower tick of the position for which to burn liquidity
/// @param tickUpper The upper tick of the position for which to burn liquidity
/// @param amount How much liquidity to burn
/// @return amount0 The amount of token0 sent to the recipient
/// @return amount1 The amount of token1 sent to the recipient
function burn(int24 tickLower, int24 tickUpper, uint128 amount)
external
returns (uint256 amount0, uint256 amount1);
/// @notice Burn liquidity from the supplied owner and account tokens owed for the liquidity to the position
/// @dev Can be used to trigger a recalculation of fees owed to a position by calling with an amount of 0
/// @dev Fees must be collected separately via a call to #collect
/// @param tickLower The lower tick of the position for which to burn liquidity
/// @param tickUpper The upper tick of the position for which to burn liquidity
/// @param amount How much liquidity to burn
/// @param owner Owner of the position in the pool (nft manager or gauge)
/// @return amount0 The amount of token0 sent to the recipient
/// @return amount1 The amount of token1 sent to the recipient
function burn(int24 tickLower, int24 tickUpper, uint128 amount, address owner)
external
returns (uint256 amount0, uint256 amount1);
/// @notice Convert existing liquidity into staked liquidity
/// @notice Only callable by the gauge associated with this pool
/// @param stakedLiquidityDelta The amount by which to increase or decrease the staked liquidity
/// @param tickLower The lower tick of the position for which to stake liquidity
/// @param tickUpper The upper tick of the position for which to stake liquidity
/// @param positionUpdate If the nft and gauge position should be updated
function stake(int128 stakedLiquidityDelta, int24 tickLower, int24 tickUpper, bool positionUpdate) external;
/// @notice Swap token0 for token1, or token1 for token0
/// @dev The caller of this method receives a callback in the form of ICLSwapCallback#uniswapV3SwapCallback
/// @param recipient The address to receive the output of the swap
/// @param zeroForOne The direction of the swap, true for token0 to token1, false for token1 to token0
/// @param amountSpecified The amount of the swap, which implicitly configures the swap as exact input (positive), or exact output (negative)
/// @param sqrtPriceLimitX96 The Q64.96 sqrt price limit. If zero for one, the price cannot be less than this
/// value after the swap. If one for zero, the price cannot be greater than this value after the swap
/// @param data Any data to be passed through to the callback
/// @return amount0 The delta of the balance of token0 of the pool, exact when negative, minimum when positive
/// @return amount1 The delta of the balance of token1 of the pool, exact when negative, minimum when positive
function swap(
address recipient,
bool zeroForOne,
int256 amountSpecified,
uint160 sqrtPriceLimitX96,
bytes calldata data
) external returns (int256 amount0, int256 amount1);
/// @notice Receive token0 and/or token1 and pay it back, plus a fee, in the callback
/// @dev The caller of this method receives a callback in the form of ICLFlashCallback#uniswapV3FlashCallback
/// @dev Can be used to donate underlying tokens pro-rata to currently in-range liquidity providers by calling
/// with 0 amount{0,1} and sending the donation amount(s) from the callback
/// @param recipient The address which will receive the token0 and token1 amounts
/// @param amount0 The amount of token0 to send
/// @param amount1 The amount of token1 to send
/// @param data Any data to be passed through to the callback
function flash(address recipient, uint256 amount0, uint256 amount1, bytes calldata data) external;
/// @notice Increase the maximum number of price and liquidity observations that this pool will store
/// @dev This method is no-op if the pool already has an observationCardinalityNext greater than or equal to
/// the input observationCardinalityNext.
/// @param observationCardinalityNext The desired minimum number of observations for the pool to store
function increaseObservationCardinalityNext(uint16 observationCardinalityNext) external;
/// @notice Updates rewardGrowthGlobalX128 every time when any tick is crossed,
/// or when any position is staked/unstaked from the gauge
function updateRewardsGrowthGlobal() external;
/// @notice Syncs rewards with gauge
/// @param rewardRate the rate rewards being distributed during the epoch
/// @param rewardReserve the available rewards to be distributed during the epoch
/// @param periodFinish the end of the current period of rewards, updated once per epoch
function syncReward(uint256 rewardRate, uint256 rewardReserve, uint256 periodFinish) external;
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Pool state that never changes
/// @notice These parameters are not defined as immutable (due to proxy pattern) but are effectively immutable.
/// @notice i.e., the methods will always return the same values
interface ICLPoolConstants {
/// @notice The contract that deployed the pool, which must adhere to the ICLFactory interface
/// @return The contract address
function factory() external view returns (address);
/// @notice The first of the two tokens of the pool, sorted by address
/// @return The token contract address
function token0() external view returns (address);
/// @notice The second of the two tokens of the pool, sorted by address
/// @return The token contract address
function token1() external view returns (address);
/// @notice The gauge corresponding to this pool
/// @return The gauge contract address
function gauge() external view returns (address);
/// @notice The nft manager
/// @return The nft manager contract address
function nft() external view returns (address);
// /// @notice The factory registry that manages pool <> gauge <> reward factory relationships
// /// @return The factory registry contract address
// function factoryRegistry() external view returns (address);
/// @notice The pool tick spacing
/// @dev Ticks can only be used at multiples of this value, minimum of 1 and always positive
/// e.g.: a tickSpacing of 3 means ticks can be initialized every 3rd tick, i.e., ..., -6, -3, 0, 3, 6, ...
/// This value is an int24 to avoid casting even though it is always positive.
/// @return The tick spacing
function tickSpacing() external view returns (int24);
/// @notice The maximum amount of position liquidity that can use any tick in the range
/// @dev This parameter is enforced per tick to prevent liquidity from overflowing a uint128 at any point, and
/// also prevents out-of-range liquidity from being used to prevent adding in-range liquidity to a pool
/// @return The max amount of liquidity per tick
function maxLiquidityPerTick() external view returns (uint128);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Pool state that is not stored
/// @notice Contains view functions to provide information about the pool that is computed rather than stored on the
/// blockchain. The functions here may have variable gas costs.
interface ICLPoolDerivedState {
/// @notice Returns the cumulative tick and liquidity as of each timestamp `secondsAgo` from the current block timestamp
/// @dev To get a time weighted average tick or liquidity-in-range, you must call this with two values, one representing
/// the beginning of the period and another for the end of the period. E.g., to get the last hour time-weighted average tick,
/// you must call it with secondsAgos = [3600, 0].
/// @dev The time weighted average tick represents the geometric time weighted average price of the pool, in
/// log base sqrt(1.0001) of token1 / token0. The TickMath library can be used to go from a tick value to a ratio.
/// @param secondsAgos From how long ago each cumulative tick and liquidity value should be returned
/// @return tickCumulatives Cumulative tick values as of each `secondsAgos` from the current block timestamp
/// @return secondsPerLiquidityCumulativeX128s Cumulative seconds per liquidity-in-range value as of each `secondsAgos` from the current block
/// timestamp
function observe(uint32[] calldata secondsAgos)
external
view
returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s);
/// @notice Returns a snapshot of the tick cumulative, seconds per liquidity and seconds inside a tick range
/// @dev Snapshots must only be compared to other snapshots, taken over a period for which a position existed.
/// I.e., snapshots cannot be compared if a position is not held for the entire period between when the first
/// snapshot is taken and the second snapshot is taken.
/// @param tickLower The lower tick of the range
/// @param tickUpper The upper tick of the range
/// @return tickCumulativeInside The snapshot of the tick accumulator for the range
/// @return secondsPerLiquidityInsideX128 The snapshot of seconds per liquidity for the range
/// @return secondsInside The snapshot of seconds per liquidity for the range
function snapshotCumulativesInside(int24 tickLower, int24 tickUpper)
external
view
returns (int56 tickCumulativeInside, uint160 secondsPerLiquidityInsideX128, uint32 secondsInside);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Events emitted by a pool
/// @notice Contains all events emitted by the pool
interface ICLPoolEvents {
/// @notice Emitted exactly once by a pool when #initialize is first called on the pool
/// @dev Mint/Burn/Swap cannot be emitted by the pool before Initialize
/// @param sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96
/// @param tick The initial tick of the pool, i.e. log base 1.0001 of the starting price of the pool
event Initialize(uint160 sqrtPriceX96, int24 tick);
/// @notice Emitted when liquidity is minted for a given position
/// @param sender The address that minted the liquidity
/// @param owner The owner of the position and recipient of any minted liquidity
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param amount The amount of liquidity minted to the position range
/// @param amount0 How much token0 was required for the minted liquidity
/// @param amount1 How much token1 was required for the minted liquidity
event Mint(
address sender,
address indexed owner,
int24 indexed tickLower,
int24 indexed tickUpper,
uint128 amount,
uint256 amount0,
uint256 amount1
);
/// @notice Emitted when fees are collected by the owner of a position
/// @dev Collect events may be emitted with zero amount0 and amount1 when the caller chooses not to collect fees
/// @param owner The owner of the position for which fees are collected
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param amount0 The amount of token0 fees collected
/// @param amount1 The amount of token1 fees collected
event Collect(
address indexed owner,
address recipient,
int24 indexed tickLower,
int24 indexed tickUpper,
uint128 amount0,
uint128 amount1
);
/// @notice Emitted when a position's liquidity is removed
/// @dev Does not withdraw any fees earned by the liquidity position, which must be withdrawn via #collect
/// @param owner The owner of the position for which liquidity is removed
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param amount The amount of liquidity to remove
/// @param amount0 The amount of token0 withdrawn
/// @param amount1 The amount of token1 withdrawn
event Burn(
address indexed owner,
int24 indexed tickLower,
int24 indexed tickUpper,
uint128 amount,
uint256 amount0,
uint256 amount1
);
/// @notice Emitted by the pool for any swaps between token0 and token1
/// @param sender The address that initiated the swap call, and that received the callback
/// @param recipient The address that received the output of the swap
/// @param amount0 The delta of the token0 balance of the pool
/// @param amount1 The delta of the token1 balance of the pool
/// @param sqrtPriceX96 The sqrt(price) of the pool after the swap, as a Q64.96
/// @param liquidity The liquidity of the pool after the swap
/// @param tick The log base 1.0001 of price of the pool after the swap
event Swap(
address indexed sender,
address indexed recipient,
int256 amount0,
int256 amount1,
uint160 sqrtPriceX96,
uint128 liquidity,
int24 tick
);
/// @notice Emitted by the pool for any flashes of token0/token1
/// @param sender The address that initiated the swap call, and that received the callback
/// @param recipient The address that received the tokens from flash
/// @param amount0 The amount of token0 that was flashed
/// @param amount1 The amount of token1 that was flashed
/// @param paid0 The amount of token0 paid for the flash, which can exceed the amount0 plus the fee
/// @param paid1 The amount of token1 paid for the flash, which can exceed the amount1 plus the fee
event Flash(
address indexed sender,
address indexed recipient,
uint256 amount0,
uint256 amount1,
uint256 paid0,
uint256 paid1
);
/// @notice Emitted by the pool for increases to the number of observations that can be stored
/// @dev observationCardinalityNext is not the observation cardinality until an observation is written at the index
/// just before a mint/swap/burn.
/// @param observationCardinalityNextOld The previous value of the next observation cardinality
/// @param observationCardinalityNextNew The updated value of the next observation cardinality
event IncreaseObservationCardinalityNext(
uint16 observationCardinalityNextOld, uint16 observationCardinalityNextNew
);
/// @notice Emitted when the protocol fee is changed by the pool
/// @param feeProtocol0Old The previous value of the token0 protocol fee
/// @param feeProtocol1Old The previous value of the token1 protocol fee
/// @param feeProtocol0New The updated value of the token0 protocol fee
/// @param feeProtocol1New The updated value of the token1 protocol fee
event SetFeeProtocol(uint8 feeProtocol0Old, uint8 feeProtocol1Old, uint8 feeProtocol0New, uint8 feeProtocol1New);
/// @notice Emitted when the collected protocol fees are withdrawn by the gauge
/// @param recipient The address that receives the collected protocol fees
/// @param amount0 The amount of token0 protocol fees that is withdrawn
/// @param amount0 The amount of token1 protocol fees that is withdrawn
event CollectFees(address indexed recipient, uint128 amount0, uint128 amount1);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Permissioned pool actions
/// @notice Contains pool methods that may only be called by the factory owner
interface ICLPoolOwnerActions {
/// @notice Collect the gauge fee accrued to the pool
/// @return amount0 The gauge fee collected in token0
/// @return amount1 The gauge fee collected in token1
function collectFees() external returns (uint128 amount0, uint128 amount1);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Pool state that can change
/// @notice These methods compose the pool's state, and can change with any frequency including multiple times
/// per transaction
interface ICLPoolState {
/// @notice The 0th storage slot in the pool stores many values, and is exposed as a single method to save gas
/// when accessed externally.
/// @return sqrtPriceX96 The current price of the pool as a sqrt(token1/token0) Q64.96 value
/// tick The current tick of the pool, i.e. according to the last tick transition that was run.
/// This value may not always be equal to SqrtTickMath.getTickAtSqrtRatio(sqrtPriceX96) if the price is on a tick
/// boundary.
/// observationIndex The index of the last oracle observation that was written,
/// observationCardinality The current maximum number of observations stored in the pool,
/// observationCardinalityNext The next maximum number of observations, to be updated when the observation.
/// unlocked Whether the pool is currently locked to reentrancy
function slot0()
external
view
returns (
uint160 sqrtPriceX96,
int24 tick,
uint16 observationIndex,
uint16 observationCardinality,
uint16 observationCardinalityNext,
bool unlocked
);
/// @notice The pool's swap & flash fee in pips, i.e. 1e-6
/// @dev Can be modified in PoolFactory on a pool basis or upgraded to be dynamic.
/// @return The swap & flash fee
function fee() external view returns (uint24);
/// @notice The pool's unstaked fee in pips, i.e. 1e-6
/// @dev Can be modified in PoolFactory on a pool basis or upgraded to be dynamic.
/// @return The unstaked fee
function unstakedFee() external view returns (uint24);
/// @notice The fee growth as a Q128.128 fees of token0 collected per unit of liquidity for the entire life of the pool
/// @dev This value can overflow the uint256
function feeGrowthGlobal0X128() external view returns (uint256);
/// @notice The fee growth as a Q128.128 fees of token1 collected per unit of liquidity for the entire life of the pool
/// @dev This value can overflow the uint256
function feeGrowthGlobal1X128() external view returns (uint256);
/// @notice The reward growth as a Q128.128 rewards of emission collected per unit of liquidity for the entire life of the pool
/// @dev This value can overflow the uint256
function rewardGrowthGlobalX128() external view returns (uint256);
/// @notice The amounts of token0 and token1 that are owed to the gauge
/// @dev Gauge fees will never exceed uint128 max in either token
function gaugeFees() external view returns (uint128 token0, uint128 token1);
/// @notice the emission rate of time-based farming
function rewardRate() external view returns (uint256);
/// @notice acts as a virtual reserve that holds information on how many rewards are yet to be distributed
function rewardReserve() external view returns (uint256);
/// @notice timestamp of the end of the current epoch's rewards
function periodFinish() external view returns (uint256);
/// @notice last time the rewardReserve and rewardRate were updated
function lastUpdated() external view returns (uint32);
/// @notice tracks total rewards distributed when no staked liquidity in active tick for epoch ending at periodFinish
/// @notice this amount is rolled over on the next call to notifyRewardAmount
/// @dev rollover will always be smaller than the rewards distributed that epoch
function rollover() external view returns (uint256);
/// @notice The currently in range liquidity available to the pool
/// @dev This value has no relationship to the total liquidity across all ticks
/// @dev This value includes staked liquidity
function liquidity() external view returns (uint128);
/// @notice The currently in range staked liquidity available to the pool
/// @dev This value has no relationship to the total staked liquidity across all ticks
function stakedLiquidity() external view returns (uint128);
/// @notice Look up information about a specific tick in the pool
/// @param tick The tick to look up
/// @return liquidityGross the total amount of position liquidity that uses the pool either as tick lower or
/// tick upper,
/// liquidityNet how much liquidity changes when the pool price crosses the tick,
/// stakedLiquidityNet how much staked liquidity changes when the pool price crosses the tick,
/// feeGrowthOutside0X128 the fee growth on the other side of the tick from the current tick in token0,
/// feeGrowthOutside1X128 the fee growth on the other side of the tick from the current tick in token1,
/// rewardGrowthOutsideX128 the reward growth on the other side of the tick from the current tick in emission token
/// tickCumulativeOutside the cumulative tick value on the other side of the tick from the current tick
/// secondsPerLiquidityOutsideX128 the seconds spent per liquidity on the other side of the tick from the current tick,
/// secondsOutside the seconds spent on the other side of the tick from the current tick,
/// initialized Set to true if the tick is initialized, i.e. liquidityGross is greater than 0, otherwise equal to false.
/// Outside values can only be used if the tick is initialized, i.e. if liquidityGross is greater than 0.
/// In addition, these values are only relative and must be used only in comparison to previous snapshots for
/// a specific position.
function ticks(int24 tick)
external
view
returns (
uint128 liquidityGross,
int128 liquidityNet,
int128 stakedLiquidityNet,
uint256 feeGrowthOutside0X128,
uint256 feeGrowthOutside1X128,
uint256 rewardGrowthOutsideX128,
int56 tickCumulativeOutside,
uint160 secondsPerLiquidityOutsideX128,
uint32 secondsOutside,
bool initialized
);
/// @notice Returns 256 packed tick initialized boolean values. See TickBitmap for more information
function tickBitmap(int16 wordPosition) external view returns (uint256);
/// @notice Returns the information about a position by the position's key
/// @param key The position's key is a hash of a preimage composed by the owner, tickLower and tickUpper
/// @return _liquidity The amount of liquidity in the position,
/// Returns feeGrowthInside0LastX128 fee growth of token0 inside the tick range as of the last mint/burn/poke,
/// Returns feeGrowthInside1LastX128 fee growth of token1 inside the tick range as of the last mint/burn/poke,
/// Returns tokensOwed0 the computed amount of token0 owed to the position as of the last mint/burn/poke,
/// Returns tokensOwed1 the computed amount of token1 owed to the position as of the last mint/burn/poke
function positions(bytes32 key)
external
view
returns (
uint128 _liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
);
/// @notice Returns data about a specific observation index
/// @param index The element of the observations array to fetch
/// @dev You most likely want to use #observe() instead of this method to get an observation as of some amount of time
/// ago, rather than at a specific index in the array.
/// @return blockTimestamp The timestamp of the observation,
/// Returns tickCumulative the tick multiplied by seconds elapsed for the life of the pool as of the observation timestamp,
/// Returns secondsPerLiquidityCumulativeX128 the seconds per in range liquidity for the life of the pool as of the observation timestamp,
/// Returns initialized whether the observation has been initialized and the values are safe to use
function observations(uint256 index)
external
view
returns (
uint32 blockTimestamp,
int56 tickCumulative,
uint160 secondsPerLiquidityCumulativeX128,
bool initialized
);
/// @notice Returns data about reward growth within a tick range.
/// RewardGrowthGlobalX128 can be supplied as a parameter for claimable reward calculations.
/// @dev Used in gauge reward/earned calculations
/// @param tickLower The lower tick of the range
/// @param tickUpper The upper tick of the range
/// @param _rewardGrowthGlobalX128 a calculated rewardGrowthGlobalX128 or 0 (in case of 0 it means we use the rewardGrowthGlobalX128 from state)
/// @return rewardGrowthInsideX128 The reward growth in the range
function getRewardGrowthInside(int24 tickLower, int24 tickUpper, uint256 _rewardGrowthGlobalX128)
external
view
returns (uint256 rewardGrowthInsideX128);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title BitMath
/// @dev This library provides functionality for computing bit properties of an unsigned integer
library BitMath {
/// @notice Returns the index of the most significant bit of the number,
/// where the least significant bit is at index 0 and the most significant bit is at index 255
/// @dev The function satisfies the property:
/// x >= 2**mostSignificantBit(x) and x < 2**(mostSignificantBit(x)+1)
/// @param x the value for which to compute the most significant bit, must be greater than 0
/// @return r the index of the most significant bit
function mostSignificantBit(uint256 x) internal pure returns (uint8 r) {
require(x > 0);
if (x >= 0x100000000000000000000000000000000) {
x >>= 128;
r += 128;
}
if (x >= 0x10000000000000000) {
x >>= 64;
r += 64;
}
if (x >= 0x100000000) {
x >>= 32;
r += 32;
}
if (x >= 0x10000) {
x >>= 16;
r += 16;
}
if (x >= 0x100) {
x >>= 8;
r += 8;
}
if (x >= 0x10) {
x >>= 4;
r += 4;
}
if (x >= 0x4) {
x >>= 2;
r += 2;
}
if (x >= 0x2) r += 1;
}
/// @notice Returns the index of the least significant bit of the number,
/// where the least significant bit is at index 0 and the most significant bit is at index 255
/// @dev The function satisfies the property:
/// (x & 2**leastSignificantBit(x)) != 0 and (x & (2**(leastSignificantBit(x)) - 1)) == 0)
/// @param x the value for which to compute the least significant bit, must be greater than 0
/// @return r the index of the least significant bit
function leastSignificantBit(uint256 x) internal pure returns (uint8 r) {
require(x > 0);
r = 255;
if (x & type(uint128).max > 0) {
r -= 128;
} else {
x >>= 128;
}
if (x & type(uint64).max > 0) {
r -= 64;
} else {
x >>= 64;
}
if (x & type(uint32).max > 0) {
r -= 32;
} else {
x >>= 32;
}
if (x & type(uint16).max > 0) {
r -= 16;
} else {
x >>= 16;
}
if (x & type(uint8).max > 0) {
r -= 8;
} else {
x >>= 8;
}
if (x & 0xf > 0) {
r -= 4;
} else {
x >>= 4;
}
if (x & 0x3 > 0) {
r -= 2;
} else {
x >>= 2;
}
if (x & 0x1 > 0) r -= 1;
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.4.0 <0.8.0;
/// @title Contains 512-bit math functions
/// @notice Facilitates multiplication and division that can have overflow of an intermediate value without any loss of precision
/// @dev Handles "phantom overflow" i.e., allows multiplication and division where an intermediate value overflows 256 bits
library FullMath {
/// @notice Calculates floor(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
/// @param a The multiplicand
/// @param b The multiplier
/// @param denominator The divisor
/// @return result The 256-bit result
/// @dev Credit to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv
function mulDiv(uint256 a, uint256 b, uint256 denominator) internal pure returns (uint256 result) {
// 512-bit multiply [prod1 prod0] = a * b
// Compute the product mod 2**256 and mod 2**256 - 1
// then use the Chinese Remainder Theorem to reconstruct
// the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2**256 + prod0
uint256 prod0; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(a, b, not(0))
prod0 := mul(a, b)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division
if (prod1 == 0) {
require(denominator > 0);
assembly {
result := div(prod0, denominator)
}
return result;
}
// Make sure the result is less than 2**256.
// Also prevents denominator == 0
require(denominator > prod1);
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0]
// Compute remainder using mulmod
uint256 remainder;
assembly {
remainder := mulmod(a, b, denominator)
}
// Subtract 256 bit number from 512 bit number
assembly {
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator
// Compute largest power of two divisor of denominator.
// Always >= 1.
uint256 twos = -denominator & denominator;
// Divide denominator by power of two
assembly {
denominator := div(denominator, twos)
}
// Divide [prod1 prod0] by the factors of two
assembly {
prod0 := div(prod0, twos)
}
// Shift in bits from prod1 into prod0. For this we need
// to flip `twos` such that it is 2**256 / twos.
// If twos is zero, then it becomes one
assembly {
twos := add(div(sub(0, twos), twos), 1)
}
prod0 |= prod1 * twos;
// Invert denominator mod 2**256
// Now that denominator is an odd number, it has an inverse
// modulo 2**256 such that denominator * inv = 1 mod 2**256.
// Compute the inverse by starting with a seed that is correct
// correct for four bits. That is, denominator * inv = 1 mod 2**4
uint256 inv = (3 * denominator) ^ 2;
// Now use Newton-Raphson iteration to improve the precision.
// Thanks to Hensel's lifting lemma, this also works in modular
// arithmetic, doubling the correct bits in each step.
inv *= 2 - denominator * inv; // inverse mod 2**8
inv *= 2 - denominator * inv; // inverse mod 2**16
inv *= 2 - denominator * inv; // inverse mod 2**32
inv *= 2 - denominator * inv; // inverse mod 2**64
inv *= 2 - denominator * inv; // inverse mod 2**128
inv *= 2 - denominator * inv; // inverse mod 2**256
// Because the division is now exact we can divide by multiplying
// with the modular inverse of denominator. This will give us the
// correct result modulo 2**256. Since the precoditions guarantee
// that the outcome is less than 2**256, this is the final result.
// We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inv;
return result;
}
/// @notice Calculates ceil(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
/// @param a The multiplicand
/// @param b The multiplier
/// @param denominator The divisor
/// @return result The 256-bit result
function mulDivRoundingUp(uint256 a, uint256 b, uint256 denominator) internal pure returns (uint256 result) {
result = mulDiv(a, b, denominator);
if (mulmod(a, b, denominator) > 0) {
require(result < type(uint256).max);
result++;
}
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0 <0.8.0;
/// @title Math library for computing sqrt prices from ticks and vice versa
/// @notice Computes sqrt price for ticks of size 1.0001, i.e. sqrt(1.0001^tick) as fixed point Q64.96 numbers. Supports
/// prices between 2**-128 and 2**128
library TickMath {
/// @dev The minimum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**-128
int24 internal constant MIN_TICK = -887272;
/// @dev The maximum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**128
int24 internal constant MAX_TICK = -MIN_TICK;
/// @dev The minimum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MIN_TICK)
uint160 internal constant MIN_SQRT_RATIO = 4295128739;
/// @dev The maximum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MAX_TICK)
uint160 internal constant MAX_SQRT_RATIO = 1461446703485210103287273052203988822378723970342;
/// @notice Calculates sqrt(1.0001^tick) * 2^96
/// @dev Throws if |tick| > max tick
/// @param tick The input tick for the above formula
/// @return sqrtPriceX96 A Fixed point Q64.96 number representing the sqrt of the ratio of the two assets (token1/token0)
/// at the given tick
function getSqrtRatioAtTick(int24 tick) internal pure returns (uint160 sqrtPriceX96) {
uint256 absTick = tick < 0 ? uint256(-int256(tick)) : uint256(int256(tick));
require(absTick <= uint256(MAX_TICK), "T");
uint256 ratio = absTick & 0x1 != 0 ? 0xfffcb933bd6fad37aa2d162d1a594001 : 0x100000000000000000000000000000000;
if (absTick & 0x2 != 0) ratio = (ratio * 0xfff97272373d413259a46990580e213a) >> 128;
if (absTick & 0x4 != 0) ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128;
if (absTick & 0x8 != 0) ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128;
if (absTick & 0x10 != 0) ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128;
if (absTick & 0x20 != 0) ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128;
if (absTick & 0x40 != 0) ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128;
if (absTick & 0x80 != 0) ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128;
if (absTick & 0x100 != 0) ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128;
if (absTick & 0x200 != 0) ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128;
if (absTick & 0x400 != 0) ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128;
if (absTick & 0x800 != 0) ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128;
if (absTick & 0x1000 != 0) ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128;
if (absTick & 0x2000 != 0) ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128;
if (absTick & 0x4000 != 0) ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128;
if (absTick & 0x8000 != 0) ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128;
if (absTick & 0x10000 != 0) ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128;
if (absTick & 0x20000 != 0) ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128;
if (absTick & 0x40000 != 0) ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128;
if (absTick & 0x80000 != 0) ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128;
if (tick > 0) ratio = type(uint256).max / ratio;
// this divides by 1<<32 rounding up to go from a Q128.128 to a Q128.96.
// we then downcast because we know the result always fits within 160 bits due to our tick input constraint
// we round up in the division so getTickAtSqrtRatio of the output price is always consistent
sqrtPriceX96 = uint160((ratio >> 32) + (ratio % (1 << 32) == 0 ? 0 : 1));
}
/// @notice Calculates the greatest tick value such that getRatioAtTick(tick) <= ratio
/// @dev Throws in case sqrtPriceX96 < MIN_SQRT_RATIO, as MIN_SQRT_RATIO is the lowest value getRatioAtTick may
/// ever return.
/// @param sqrtPriceX96 The sqrt ratio for which to compute the tick as a Q64.96
/// @return tick The greatest tick for which the ratio is less than or equal to the input ratio
function getTickAtSqrtRatio(uint160 sqrtPriceX96) internal pure returns (int24 tick) {
// second inequality must be < because the price can never reach the price at the max tick
require(sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO, "R");
uint256 ratio = uint256(sqrtPriceX96) << 32;
uint256 r = ratio;
uint256 msb = 0;
assembly {
let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(5, gt(r, 0xFFFFFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(4, gt(r, 0xFFFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(3, gt(r, 0xFF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(2, gt(r, 0xF))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := shl(1, gt(r, 0x3))
msb := or(msb, f)
r := shr(f, r)
}
assembly {
let f := gt(r, 0x1)
msb := or(msb, f)
}
if (msb >= 128) r = ratio >> (msb - 127);
else r = ratio << (127 - msb);
int256 log_2 = (int256(msb) - 128) << 64;
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(63, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(62, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(61, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(60, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(59, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(58, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(57, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(56, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(55, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(54, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(53, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(52, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(51, f))
r := shr(f, r)
}
assembly {
r := shr(127, mul(r, r))
let f := shr(128, r)
log_2 := or(log_2, shl(50, f))
}
int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number
int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128);
int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128);
tick = tickLow == tickHi ? tickLow : getSqrtRatioAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow;
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity ^0.7.0;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
/// @title IERC20Metadata
/// @title Interface for ERC20 Metadata
/// @notice Extension to IERC20 that includes token metadata
interface IERC20Metadata is IERC20 {
/// @return The name of the token
function name() external view returns (string memory);
/// @return The symbol of the token
function symbol() external view returns (string memory);
/// @return The number of decimal places the token has
function decimals() external view returns (uint8);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.7.5;
/// @title EIP-721 Metadata Update Extension
interface IERC4906 {
/// @dev This event emits when the metadata of a token is changed.
/// So that the third-party platforms such as NFT market could
/// timely update the images and related attributes of the NFT.
event MetadataUpdate(uint256 _tokenId);
/// @dev This event emits when the metadata of a range of tokens is changed.
/// So that the third-party platforms such as NFT market could
/// timely update the images and related attributes of the NFTs.
event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.7.5;
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
/// @title ERC721 with permit
/// @notice Extension to ERC721 that includes a permit function for signature based approvals
interface IERC721Permit is IERC721 {
/// @notice The permit typehash used in the permit signature
/// @return The typehash for the permit
function PERMIT_TYPEHASH() external pure returns (bytes32);
/// @notice The domain separator used in the permit signature
/// @return The domain seperator used in encoding of permit signature
function DOMAIN_SEPARATOR() external view returns (bytes32);
/// @notice Approve of a specific token ID for spending by spender via signature
/// @param spender The account that is being approved
/// @param tokenId The ID of the token that is being approved for spending
/// @param deadline The deadline timestamp by which the call must be mined for the approve to work
/// @param v Must produce valid secp256k1 signature from the holder along with `r` and `s`
/// @param r Must produce valid secp256k1 signature from the holder along with `v` and `s`
/// @param s Must produce valid secp256k1 signature from the holder along with `r` and `v`
function permit(address spender, uint256 tokenId, uint256 deadline, uint8 v, bytes32 r, bytes32 s)
external
payable;
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.7.5;
pragma abicoder v2;
import "@openzeppelin/contracts/token/ERC721/IERC721Metadata.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721Enumerable.sol";
import "./IERC721Permit.sol";
import "./IERC4906.sol";
import "./IPeripheryPayments.sol";
import "./IPeripheryImmutableState.sol";
import "../libraries/PoolAddress.sol";
/// @title Non-fungible token for positions
/// @notice Wraps CL positions in a non-fungible token interface which allows for them to be transferred
/// and authorized.
interface INonfungiblePositionManager is
IPeripheryPayments,
IPeripheryImmutableState,
IERC721Metadata,
IERC721Enumerable,
IERC721Permit,
IERC4906
{
/// @notice Emitted when liquidity is increased for a position NFT
/// @dev Also emitted when a token is minted
/// @param tokenId The ID of the token for which liquidity was increased
/// @param liquidity The amount by which liquidity for the NFT position was increased
/// @param amount0 The amount of token0 that was paid for the increase in liquidity
/// @param amount1 The amount of token1 that was paid for the increase in liquidity
event IncreaseLiquidity(uint256 indexed tokenId, uint128 liquidity, uint256 amount0, uint256 amount1);
/// @notice Emitted when liquidity is decreased for a position NFT
/// @param tokenId The ID of the token for which liquidity was decreased
/// @param liquidity The amount by which liquidity for the NFT position was decreased
/// @param amount0 The amount of token0 that was accounted for the decrease in liquidity
/// @param amount1 The amount of token1 that was accounted for the decrease in liquidity
event DecreaseLiquidity(uint256 indexed tokenId, uint128 liquidity, uint256 amount0, uint256 amount1);
/// @notice Emitted when tokens are collected for a position NFT
/// @dev The amounts reported may not be exactly equivalent to the amounts transferred, due to rounding behavior
/// @param tokenId The ID of the token for which underlying tokens were collected
/// @param recipient The address of the account that received the collected tokens
/// @param amount0 The amount of token0 owed to the position that was collected
/// @param amount1 The amount of token1 owed to the position that was collected
event Collect(uint256 indexed tokenId, address recipient, uint256 amount0, uint256 amount1);
/// @notice Emitted when a new Token Descriptor is set
/// @param tokenDescriptor Address of the new Token Descriptor
event TokenDescriptorChanged(address indexed tokenDescriptor);
/// @notice Emitted when a new Owner is set
/// @param owner Address of the new Owner
event TransferOwnership(address indexed owner);
/// @notice Returns the position information associated with a given token ID.
/// @dev Throws if the token ID is not valid.
/// @param tokenId The ID of the token that represents the position
/// @return nonce The nonce for permits
/// @return operator The address that is approved for spending
/// @return token0 The address of the token0 for a specific pool
/// @return token1 The address of the token1 for a specific pool
/// @return tickSpacing The tick spacing associated with the pool
/// @return tickLower The lower end of the tick range for the position
/// @return tickUpper The higher end of the tick range for the position
/// @return liquidity The liquidity of the position
/// @return feeGrowthInside0LastX128 The fee growth of token0 as of the last action on the individual position
/// @return feeGrowthInside1LastX128 The fee growth of token1 as of the last action on the individual position
/// @return tokensOwed0 The uncollected amount of token0 owed to the position as of the last computation
/// @return tokensOwed1 The uncollected amount of token1 owed to the position as of the last computation
function positions(uint256 tokenId)
external
view
returns (
uint96 nonce,
address operator,
address token0,
address token1,
int24 tickSpacing,
int24 tickLower,
int24 tickUpper,
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
);
/// @notice Returns the address of the Token Descriptor, that handles generating token URIs for Positions
function tokenDescriptor() external view returns (address);
/// @notice Returns the address of the Owner, that is allowed to set a new TokenDescriptor
function owner() external view returns (address);
struct MintParams {
address token0;
address token1;
int24 tickSpacing;
int24 tickLower;
int24 tickUpper;
uint256 amount0Desired;
uint256 amount1Desired;
uint256 amount0Min;
uint256 amount1Min;
address recipient;
uint256 deadline;
uint160 sqrtPriceX96;
}
/// @notice Creates a new position wrapped in a NFT
/// @dev Call this when the pool does exist and is initialized. Note that if the pool is created but not initialized
/// a method does not exist, i.e. the pool is assumed to be initialized.
/// @param params The params necessary to mint a position, encoded as `MintParams` in calldata
/// @return tokenId The ID of the token that represents the minted position
/// @return liquidity The amount of liquidity for this position
/// @return amount0 The amount of token0
/// @return amount1 The amount of token1
function mint(MintParams calldata params)
external
payable
returns (uint256 tokenId, uint128 liquidity, uint256 amount0, uint256 amount1);
struct IncreaseLiquidityParams {
uint256 tokenId;
uint256 amount0Desired;
uint256 amount1Desired;
uint256 amount0Min;
uint256 amount1Min;
uint256 deadline;
}
/// @notice Increases the amount of liquidity in a position, with tokens paid by the `msg.sender`
/// @param params tokenId The ID of the token for which liquidity is being increased,
/// amount0Desired The desired amount of token0 to be spent,
/// amount1Desired The desired amount of token1 to be spent,
/// amount0Min The minimum amount of token0 to spend, which serves as a slippage check,
/// amount1Min The minimum amount of token1 to spend, which serves as a slippage check,
/// deadline The time by which the transaction must be included to effect the change
/// @return liquidity The new liquidity amount as a result of the increase
/// @return amount0 The amount of token0 to acheive resulting liquidity
/// @return amount1 The amount of token1 to acheive resulting liquidity
function increaseLiquidity(IncreaseLiquidityParams calldata params)
external
payable
returns (uint128 liquidity, uint256 amount0, uint256 amount1);
struct DecreaseLiquidityParams {
uint256 tokenId;
uint128 liquidity;
uint256 amount0Min;
uint256 amount1Min;
uint256 deadline;
}
/// @notice Decreases the amount of liquidity in a position and accounts it to the position
/// @param params tokenId The ID of the token for which liquidity is being decreased,
/// amount The amount by which liquidity will be decreased,
/// amount0Min The minimum amount of token0 that should be accounted for the burned liquidity,
/// amount1Min The minimum amount of token1 that should be accounted for the burned liquidity,
/// deadline The time by which the transaction must be included to effect the change
/// @return amount0 The amount of token0 accounted to the position's tokens owed
/// @return amount1 The amount of token1 accounted to the position's tokens owed
/// @dev The use of this function can cause a loss to users of the NonfungiblePositionManager
/// @dev for tokens that have very high decimals.
/// @dev The amount of tokens necessary for the loss is: 3.4028237e+38.
/// @dev This is equivalent to 1e20 value with 18 decimals.
function decreaseLiquidity(DecreaseLiquidityParams calldata params)
external
payable
returns (uint256 amount0, uint256 amount1);
struct CollectParams {
uint256 tokenId;
address recipient;
uint128 amount0Max;
uint128 amount1Max;
}
/// @notice Collects up to a maximum amount of fees owed to a specific position to the recipient
/// @notice Used to update staked positions before deposit and withdraw
/// @param params tokenId The ID of the NFT for which tokens are being collected,
/// recipient The account that should receive the tokens,
/// amount0Max The maximum amount of token0 to collect,
/// amount1Max The maximum amount of token1 to collect
/// @return amount0 The amount of fees collected in token0
/// @return amount1 The amount of fees collected in token1
function collect(CollectParams calldata params) external payable returns (uint256 amount0, uint256 amount1);
/// @notice Burns a token ID, which deletes it from the NFT contract. The token must have 0 liquidity and all tokens
/// must be collected first.
/// @param tokenId The ID of the token that is being burned
function burn(uint256 tokenId) external payable;
/// @notice Sets a new Token Descriptor
/// @param _tokenDescriptor Address of the new Token Descriptor to be chosen
function setTokenDescriptor(address _tokenDescriptor) external;
/// @notice Sets a new Owner address
/// @param _owner Address of the new Owner to be chosen
function setOwner(address _owner) external;
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
import "./INonfungiblePositionManager.sol";
/// @title Describes position NFT tokens via URI
interface INonfungibleTokenPositionDescriptor {
/// @notice Produces the URI describing a particular token ID for a position manager
/// @dev Note this URI may be a data: URI with the JSON contents directly inlined
/// @param positionManager The position manager for which to describe the token
/// @param tokenId The ID of the token for which to produce a description, which may not be valid
/// @return The URI of the ERC721-compliant metadata
function tokenURI(INonfungiblePositionManager positionManager, uint256 tokenId)
external
view
returns (string memory);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
/// @title Immutable state
/// @notice Functions that return immutable state of the router
interface IPeripheryImmutableState {
/// @return Returns the address of the CL factory
function factory() external view returns (address);
/// @return Returns the address of WETH9
function WETH9() external view returns (address);
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.7.5;
/// @title Periphery Payments
/// @notice Functions to ease deposits and withdrawals of ETH
interface IPeripheryPayments {
/// @notice Unwraps the contract's WETH9 balance and sends it to recipient as ETH.
/// @dev The amountMinimum parameter prevents malicious contracts from stealing WETH9 from users.
/// @param amountMinimum The minimum amount of WETH9 to unwrap
/// @param recipient The address receiving ETH
function unwrapWETH9(uint256 amountMinimum, address recipient) external payable;
/// @notice Refunds any ETH balance held by this contract to the `msg.sender`
/// @dev Useful for bundling with mint or increase liquidity that uses ether, or exact output swaps
/// that use ether for the input amount
function refundETH() external payable;
/// @notice Transfers the full amount of a token held by this contract to recipient
/// @dev The amountMinimum parameter prevents malicious contracts from stealing the token from users
/// @param token The contract address of the token which will be transferred to `recipient`
/// @param amountMinimum The minimum amount of token required for a transfer
/// @param recipient The destination address of the token
function sweepToken(address token, uint256 amountMinimum, address recipient) external payable;
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.7.0;
/// @title Function for getting the current chain ID
library ChainId {
/// @dev Gets the current chain ID
/// @return chainId The current chain ID
function get() internal pure returns (uint256 chainId) {
assembly {
chainId := chainid()
}
}
}// SPDX-License-Identifier: MIT
pragma solidity =0.7.6;
library HexStrings {
bytes16 internal constant ALPHABET = "0123456789abcdef";
/// @notice Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
/// @dev Credit to Open Zeppelin under MIT license https://github.com/OpenZeppelin/openzeppelin-contracts/blob/243adff49ce1700e0ecb99fe522fb16cff1d1ddc/contracts/utils/Strings.sol#L55
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = ALPHABET[value & 0xf];
value >>= 4;
}
require(value == 0, "HLI"); // hex length insufficient
return string(buffer);
}
function toHexStringNoPrefix(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length);
for (uint256 i = buffer.length; i > 0; i--) {
buffer[i - 1] = ALPHABET[value & 0xf];
value >>= 4;
}
return string(buffer);
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.7.0;
pragma abicoder v2;
import "contracts/core/interfaces/ICLPool.sol";
import "contracts/core/libraries/TickMath.sol";
import "contracts/core/libraries/BitMath.sol";
import "contracts/core/libraries/FullMath.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/math/SignedSafeMath.sol";
import "./HexStrings.sol";
import "./NFTSVG.sol";
library NFTDescriptor {
using TickMath for int24;
using Strings for uint256;
using SafeMath for uint256;
using SafeMath for uint160;
using SafeMath for uint8;
using SignedSafeMath for int256;
using HexStrings for uint256;
uint256 constant sqrt10X128 = 1076067327063303206878105757264492625226;
struct ConstructTokenURIParams {
uint256 tokenId;
address quoteTokenAddress;
address baseTokenAddress;
string quoteTokenSymbol;
string baseTokenSymbol;
uint8 quoteTokenDecimals;
uint8 baseTokenDecimals;
bool flipRatio;
int24 tickLower;
int24 tickUpper;
int24 tickCurrent;
int24 tickSpacing;
address poolAddress;
}
function constructTokenURI(ConstructTokenURIParams memory params) public pure returns (string memory) {
string memory name = generateName(params);
string memory descriptionPartOne = generateDescriptionPartOne(
escapeQuotes(params.quoteTokenSymbol),
escapeQuotes(params.baseTokenSymbol),
addressToString(params.poolAddress)
);
string memory descriptionPartTwo = generateDescriptionPartTwo(
params.tokenId.toString(),
escapeQuotes(params.baseTokenSymbol),
addressToString(params.quoteTokenAddress),
addressToString(params.baseTokenAddress),
(uint256(params.tickSpacing)).toString()
);
string memory image = Base64.encode(bytes(generateSVGImage(params)));
return
string(
abi.encodePacked(
'data:application/json;base64,',
Base64.encode(
bytes(
abi.encodePacked(
'{"name":"',
name,
'", "description":"',
descriptionPartOne,
descriptionPartTwo,
'", "image": "',
'data:image/svg+xml;base64,',
image,
'"}'
)
)
)
)
);
}
function escapeQuotes(string memory symbol) internal pure returns (string memory) {
bytes memory symbolBytes = bytes(symbol);
uint8 quotesCount = 0;
for (uint8 i = 0; i < symbolBytes.length; i++) {
if (symbolBytes[i] == '"') {
quotesCount++;
}
}
if (quotesCount > 0) {
bytes memory escapedBytes = new bytes(symbolBytes.length + (quotesCount));
uint256 index;
for (uint8 i = 0; i < symbolBytes.length; i++) {
if (symbolBytes[i] == '"') {
escapedBytes[index++] = "\\";
}
escapedBytes[index++] = symbolBytes[i];
}
return string(escapedBytes);
}
return symbol;
}
function generateDescriptionPartOne(
string memory quoteTokenSymbol,
string memory baseTokenSymbol,
string memory poolAddress
) private pure returns (string memory) {
return string(
abi.encodePacked(
"This NFT represents a liquidity position",
quoteTokenSymbol,
"-",
baseTokenSymbol,
" pool. ",
"The owner of this NFT can modify or redeem the position.\\n",
"\\nPool Address: ",
poolAddress,
"\\n",
quoteTokenSymbol
)
);
}
function generateDescriptionPartTwo(
string memory tokenId,
string memory baseTokenSymbol,
string memory quoteTokenAddress,
string memory baseTokenAddress,
string memory tickSpacing
) private pure returns (string memory) {
return string(
abi.encodePacked(
" Address: ",
quoteTokenAddress,
"\\n",
baseTokenSymbol,
" Address: ",
baseTokenAddress,
"\\nTick Spacing: ",
tickSpacing,
"\\nToken ID: ",
tokenId,
"\\n\\n",
unicode"⚠️ DISCLAIMER: Due diligence is imperative when assessing this NFT. Make sure token addresses match the expected tokens, as token symbols may be imitated."
)
);
}
function generateName(ConstructTokenURIParams memory params) private pure returns (string memory) {
return string(
abi.encodePacked(
"CL - ",
escapeQuotes(params.quoteTokenSymbol),
"/",
escapeQuotes(params.baseTokenSymbol),
" - ",
tickToDecimalString(
!params.flipRatio ? params.tickLower : params.tickUpper,
params.tickSpacing,
params.baseTokenDecimals,
params.quoteTokenDecimals,
params.flipRatio
),
"<>",
tickToDecimalString(
!params.flipRatio ? params.tickUpper : params.tickLower,
params.tickSpacing,
params.baseTokenDecimals,
params.quoteTokenDecimals,
params.flipRatio
)
)
);
}
struct DecimalStringParams {
// significant figures of decimal
uint256 sigfigs;
// length of decimal string
uint8 bufferLength;
// ending index for significant figures (funtion works backwards when copying sigfigs)
uint8 sigfigIndex;
// index of decimal place (0 if no decimal)
uint8 decimalIndex;
// start index for trailing/leading 0's for very small/large numbers
uint8 zerosStartIndex;
// end index for trailing/leading 0's for very small/large numbers
uint8 zerosEndIndex;
// true if decimal number is less than one
bool isLessThanOne;
// true if string should include "%"
bool isPercent;
}
function generateDecimalString(DecimalStringParams memory params) private pure returns (string memory) {
bytes memory buffer = new bytes(params.bufferLength);
if (params.isPercent) {
buffer[buffer.length - 1] = "%";
}
if (params.isLessThanOne) {
buffer[0] = "0";
buffer[1] = ".";
}
// add leading/trailing 0's
for (uint256 zerosCursor = params.zerosStartIndex; zerosCursor < params.zerosEndIndex.add(1); zerosCursor++) {
buffer[zerosCursor] = bytes1(uint8(48));
}
// add sigfigs
while (params.sigfigs > 0) {
if (params.decimalIndex > 0 && params.sigfigIndex == params.decimalIndex) {
buffer[params.sigfigIndex--] = ".";
}
buffer[params.sigfigIndex--] = bytes1(uint8(uint256(48).add(params.sigfigs % 10)));
params.sigfigs /= 10;
}
return string(buffer);
}
function tickToDecimalString(
int24 tick,
int24 tickSpacing,
uint8 baseTokenDecimals,
uint8 quoteTokenDecimals,
bool flipRatio
) internal pure returns (string memory) {
if (tick == (TickMath.MIN_TICK / tickSpacing) * tickSpacing) {
return !flipRatio ? "MIN" : "MAX";
} else if (tick == (TickMath.MAX_TICK / tickSpacing) * tickSpacing) {
return !flipRatio ? "MAX" : "MIN";
} else {
uint160 sqrtRatioX96 = TickMath.getSqrtRatioAtTick(tick);
if (flipRatio) {
sqrtRatioX96 = uint160(uint256(1 << 192).div(sqrtRatioX96));
}
return fixedPointToDecimalString(sqrtRatioX96, baseTokenDecimals, quoteTokenDecimals);
}
}
function sigfigsRounded(uint256 value, uint8 digits) private pure returns (uint256, bool) {
bool extraDigit;
if (digits > 5) {
value = value.div((10 ** (digits - 5)));
}
bool roundUp = value % 10 > 4;
value = value.div(10);
if (roundUp) {
value = value + 1;
}
// 99999 -> 100000 gives an extra sigfig
if (value == 100000) {
value /= 10;
extraDigit = true;
}
return (value, extraDigit);
}
function adjustForDecimalPrecision(uint160 sqrtRatioX96, uint8 baseTokenDecimals, uint8 quoteTokenDecimals)
private
pure
returns (uint256 adjustedSqrtRatioX96)
{
uint256 difference = abs(int256(baseTokenDecimals).sub(int256(quoteTokenDecimals)));
if (difference > 0 && difference <= 18) {
if (baseTokenDecimals > quoteTokenDecimals) {
adjustedSqrtRatioX96 = sqrtRatioX96.mul(10 ** (difference.div(2)));
if (difference % 2 == 1) {
adjustedSqrtRatioX96 = FullMath.mulDiv(adjustedSqrtRatioX96, sqrt10X128, 1 << 128);
}
} else {
adjustedSqrtRatioX96 = sqrtRatioX96.div(10 ** (difference.div(2)));
if (difference % 2 == 1) {
adjustedSqrtRatioX96 = FullMath.mulDiv(adjustedSqrtRatioX96, 1 << 128, sqrt10X128);
}
}
} else {
adjustedSqrtRatioX96 = uint256(sqrtRatioX96);
}
}
function abs(int256 x) private pure returns (uint256) {
return uint256(x >= 0 ? x : -x);
}
// @notice Returns string that includes first 5 significant figures of a decimal number
// @param sqrtRatioX96 a sqrt price
function fixedPointToDecimalString(uint160 sqrtRatioX96, uint8 baseTokenDecimals, uint8 quoteTokenDecimals)
internal
pure
returns (string memory)
{
uint256 adjustedSqrtRatioX96 = adjustForDecimalPrecision(sqrtRatioX96, baseTokenDecimals, quoteTokenDecimals);
uint256 value = FullMath.mulDiv(adjustedSqrtRatioX96, adjustedSqrtRatioX96, 1 << 64);
bool priceBelow1 = adjustedSqrtRatioX96 < 2 ** 96;
if (priceBelow1) {
// 10 ** 43 is precision needed to retreive 5 sigfigs of smallest possible price + 1 for rounding
value = FullMath.mulDiv(value, 10 ** 44, 1 << 128);
} else {
// leave precision for 4 decimal places + 1 place for rounding
value = FullMath.mulDiv(value, 10 ** 5, 1 << 128);
}
// get digit count
uint256 temp = value;
uint8 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
// don't count extra digit kept for rounding
digits = digits - 1;
// address rounding
(uint256 sigfigs, bool extraDigit) = sigfigsRounded(value, digits);
if (extraDigit) {
digits++;
}
DecimalStringParams memory params;
if (priceBelow1) {
// 7 bytes ( "0." and 5 sigfigs) + leading 0's bytes
params.bufferLength = uint8(uint8(7).add(uint8(43).sub(digits)));
params.zerosStartIndex = 2;
params.zerosEndIndex = uint8(uint256(43).sub(digits).add(1));
params.sigfigIndex = uint8(params.bufferLength.sub(1));
} else if (digits >= 9) {
// no decimal in price string
params.bufferLength = uint8(digits.sub(4));
params.zerosStartIndex = 5;
params.zerosEndIndex = uint8(params.bufferLength.sub(1));
params.sigfigIndex = 4;
} else {
// 5 sigfigs surround decimal
params.bufferLength = 6;
params.sigfigIndex = 5;
params.decimalIndex = uint8(digits.sub(5).add(1));
}
params.sigfigs = sigfigs;
params.isLessThanOne = priceBelow1;
params.isPercent = false;
return generateDecimalString(params);
}
// @notice Returns string as decimal percentage of fee amount.
// @param fee fee amount
function feeToPercentString(uint24 fee) internal pure returns (string memory) {
if (fee == 0) {
return "0%";
}
uint24 temp = fee;
uint256 digits;
uint8 numSigfigs;
while (temp != 0) {
if (numSigfigs > 0) {
// count all digits preceding least significant figure
numSigfigs++;
} else if (temp % 10 != 0) {
numSigfigs++;
}
digits++;
temp /= 10;
}
DecimalStringParams memory params;
uint256 nZeros;
if (digits >= 5) {
// if decimal > 1 (5th digit is the ones place)
uint256 decimalPlace = digits.sub(numSigfigs) >= 4 ? 0 : 1;
nZeros = digits.sub(5) < (numSigfigs.sub(1)) ? 0 : digits.sub(5).sub(numSigfigs.sub(1));
params.zerosStartIndex = numSigfigs;
params.zerosEndIndex = uint8(params.zerosStartIndex.add(nZeros).sub(1));
params.sigfigIndex = uint8(params.zerosStartIndex.sub(1).add(decimalPlace));
params.bufferLength = uint8(nZeros.add(numSigfigs.add(1)).add(decimalPlace));
} else {
// else if decimal < 1
nZeros = uint256(5).sub(digits);
params.zerosStartIndex = 2;
params.zerosEndIndex = uint8(nZeros.add(params.zerosStartIndex).sub(1));
params.bufferLength = uint8(nZeros.add(numSigfigs.add(2)));
params.sigfigIndex = uint8((params.bufferLength).sub(2));
params.isLessThanOne = true;
}
params.sigfigs = uint256(fee).div(10 ** (digits.sub(numSigfigs)));
params.isPercent = true;
params.decimalIndex = digits > 4 ? uint8(digits.sub(4)) : 0;
return generateDecimalString(params);
}
function addressToString(address addr) internal pure returns (string memory) {
return (uint256(addr)).toHexString(20);
}
function generateSVGImage(ConstructTokenURIParams memory params) internal pure returns (string memory svg) {
NFTSVG.SVGParams memory svgParams =
NFTSVG.SVGParams({
quoteToken: addressToString(params.quoteTokenAddress),
baseToken: addressToString(params.baseTokenAddress),
poolAddress: params.poolAddress,
quoteTokenSymbol: params.quoteTokenSymbol,
baseTokenSymbol: params.baseTokenSymbol,
tickLower: params.tickLower,
tickUpper: params.tickUpper,
tickSpacing: params.tickSpacing,
overRange: overRange(params.tickLower, params.tickUpper, params.tickCurrent),
tokenId: params.tokenId
});
return NFTSVG.generateSVG(svgParams);
}
function overRange(
int24 tickLower,
int24 tickUpper,
int24 tickCurrent
) private pure returns (int8) {
if (tickCurrent < tickLower) {
return -1;
} else if (tickCurrent > tickUpper) {
return 1;
} else {
return 0;
}
}
function scale(
uint256 n,
uint256 inMn,
uint256 inMx,
uint256 outMn,
uint256 outMx
) private pure returns (string memory) {
return (n.sub(inMn).mul(outMx.sub(outMn)).div(inMx.sub(inMn)).add(outMn)).toString();
}
function tokenToColorHex(uint256 token, uint256 offset) internal pure returns (string memory str) {
return string((token >> offset).toHexStringNoPrefix(3));
}
function getCircleCoord(
uint256 tokenAddress,
uint256 offset,
uint256 tokenId
) internal pure returns (uint256) {
return (sliceTokenHex(tokenAddress, offset) * tokenId) % 255;
}
function sliceTokenHex(uint256 token, uint256 offset) internal pure returns (uint256) {
return uint256(uint8(token >> offset));
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.7.6;
import "@openzeppelin/contracts/utils/Strings.sol";
import "base64-sol/base64.sol";
/// @title NFTSVG
/// @notice Provides a function for generating an SVG associated with a Uniswap NFT
library NFTSVG {
using Strings for uint256;
string constant curve1 = 'M1 1C41 41 105 105 145 145';
string constant curve2 = 'M1 1C33 49 97 113 145 145';
string constant curve3 = 'M1 1C33 57 89 113 145 145';
string constant curve4 = 'M1 1C25 65 81 121 145 145';
string constant curve5 = 'M1 1C17 73 73 129 145 145';
string constant curve6 = 'M1 1C9 81 65 137 145 145';
string constant curve7 = 'M1 1C1 89 57.5 145 145 145';
string constant curve8 = 'M1 1C1 97 49 145 145 145';
struct SVGParams {
string quoteToken;
string baseToken;
address poolAddress;
string quoteTokenSymbol;
string baseTokenSymbol;
int24 tickLower;
int24 tickUpper;
int24 tickSpacing;
int8 overRange;
uint256 tokenId;
}
function generateSVG(SVGParams memory params) internal pure returns (string memory svg) {
/*
address: "0xe8ab59d3bcde16a29912de83a90eb39628cfc163",
msg: "Forged in SVG for Uniswap in 2021 by 0xe8ab59d3bcde16a29912de83a90eb39628cfc163",
sig: "0x2df0e99d9cbfec33a705d83f75666d98b22dea7c1af412c584f7d626d83f02875993df740dc87563b9c73378f8462426da572d7989de88079a382ad96c57b68d1b",
version: "2"
*/
return
string(
abi.encodePacked(
'<svg width="300" height="459" viewBox="0 0 300 459" fill="none" xmlns="http://www.w3.org/2000/svg"',
" xmlns:xlink='http://www.w3.org/1999/xlink' font-family=\"'Poppins', sans-serif\">",
generateSVGDefs(params),
'<g filter="url(#nft_filter0_i_3004_12494)">',
generateSVGCardMantle(params.tokenId.toString()),
generageSvgCurve(params.tickLower, params.tickUpper, params.tickSpacing, params.overRange),
generateSVGPositionDataAndLocationCurve(
params.baseTokenSymbol,
params.quoteTokenSymbol,
params.tickSpacing,
params.tickLower,
params.tickUpper
),
'</g></svg>'
)
);
}
function generateSVGDefs(SVGParams memory params) private pure returns (string memory svg) {
svg = string(
abi.encodePacked(
'<defs><filter id="nft_filter0_i_3004_12494" x="0" y="0" width="301" height="460" filterUnits="userSpaceOnUse" color-interpolation-filters="sRGB"><feFlood flood-opacity="0" result="BackgroundImageFix"/><feBlend mode="normal" in="SourceGraphic" in2="BackgroundImageFix" result="shape"/>',
'<feColorMatrix in="SourceAlpha" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 127 0" result="hardAlpha"/><feMorphology radius="1" operator="erode" in="SourceAlpha" result="nft_effect1_innerShadow_3004_12494"/><feOffset dx="1" dy="1"/>',
'<feGaussianBlur stdDeviation="1"/><feComposite in2="hardAlpha" operator="arithmetic" k2="-1" k3="1"/><feColorMatrix type="matrix" values="0 0 0 0 0 0 0 0 0 0.466669 0 0 0 0 1 0 0 0 1 0"/><feBlend mode="normal" in2="shape" result="nft_effect1_innerShadow_3004_12494"/>',
'</filter><linearGradient id="nft_paint0_linear_3004_12494" x1="75.75" y1="403.5" x2="155.25" y2="-22.5" gradientUnits="userSpaceOnUse"><stop offset="0.02" stop-color="#142DC9"/><stop offset="0.414804" stop-color="#084EA3"/><stop offset="1" stop-color="#202E84"/></linearGradient>',
'<linearGradient id="paint1_linear_3004_12494" x1="255.5" y1="126.85" x2="233.045" y2="7.00499" gradientUnits="userSpaceOnUse"><stop offset="0.02" stop-color="#0050A4"/><stop offset="1" stop-color="#2DB4E8"/></linearGradient>',
'<linearGradient id="nft_paint2_linear_3004_12494" x1="216.675" y1="37.8146" x2="252.83" y2="125.025" gradientUnits="userSpaceOnUse"><stop stop-color="#27ABE5"/><stop offset="0.555" stop-color="#48DCF2"/><stop offset="1" stop-color="#2E88FF"/></linearGradient>',
'<linearGradient id="nft_paint3_linear_3004_12494" x1="156.665" y1="38.8473" x2="251.407" y2="282.534" gradientUnits="userSpaceOnUse"><stop stop-color="white" stop-opacity="0.6"/><stop offset="0.511314" stop-color="white" stop-opacity="0.24"/><stop offset="0.942239" stop-color="#063190" stop-opacity="0"/></linearGradient>',
'<linearGradient id="nft_paint4_linear_3004_12494" x1="156.634" y1="69.2795" x2="182.429" y2="266.535" gradientUnits="userSpaceOnUse"><stop stop-color="white"/><stop offset="1" stop-color="#39A0F3" stop-opacity="0"/></linearGradient>',
'<linearGradient id="nft_paint5_linear_3004_12494" x1="12" y1="325.125" x2="294.128" y2="354.766" gradientUnits="userSpaceOnUse"><stop offset="0.00781089" stop-color="white" stop-opacity="0.1"/><stop offset="1" stop-color="white" stop-opacity="0.05"/></linearGradient>',
'<linearGradient id="nft_paint6_linear_3004_12494" x1="15.6316" y1="315.856" x2="70.0561" y2="504.666" gradientUnits="userSpaceOnUse"><stop stop-color="#6D9DCC" stop-opacity="0.3"/><stop offset="1" stop-color="#6D9DCC" stop-opacity="0.5"/></linearGradient>',
'<clipPath id="nft_clip0_3004_12494"><rect width="120" height="120" fill="white" transform="translate(168 12)"/></clipPath>',
'</defs>'
)
);
}
function generateSVGCardMantle(string memory tokenId) private pure returns (string memory svg) {
svg = string(
abi.encodePacked(
'<rect width="300" height="459" rx="16" fill="url(#nft_paint0_linear_3004_12494)"/>',
'<text fill="white" xml:space="preserve" style="white-space: pre" font-size="14" font-weight="600" letter-spacing="0.5px"><tspan x="24" y="39.9">ID: ',
tokenId,
'</tspan></text>',
'<g opacity="0.1" clip-path="url(#nft_clip0_3004_12494)">',
'<path d="M288 72C288 38.8629 261.137 12 228 12C194.863 12 168 38.8629 168 72C168 105.137 194.863 132 228 132C261.137 132 288 105.137 288 72Z" fill="url(#paint1_linear_3004_12494)"/>',
'<path d="M197.235 20.5096C206.338 15.0624 216.722 12.1271 227.329 12.0031C237.937 11.8792 248.387 14.571 257.614 19.804C266.841 25.0371 274.516 32.624 279.854 41.7909C285.192 50.9579 288.003 ',
'61.3767 288 71.9846C288 72.8346 288 73.6796 287.95 74.5146C287.95 74.9396 287.905 75.3646 287.88 75.7746C287.693 78.7972 287.276 81.8009 286.63 84.7596C286.555 85.1346 286.475 85.5096 286.385 ',
'85.8796C286.385 85.9946 286.325 86.1146 286.3 86.2296L286.1 87.0296C285.955 87.5796 285.8 88.1296 285.65 88.6746L285.42 89.4396C285.177 90.2604 284.91 91.0741 284.62 91.8796C284.62 91.9596 ',
'284.57 92.0396 284.535 92.1196C284.415 92.4696 284.285 92.7896 284.155 93.1546C284.02 93.5246 283.9 93.8246 283.765 94.1596C283.591 94.6133 283.405 95.0618 283.205 95.5046L282.745 ',
'96.5396C280.411 101.753 277.346 106.607 273.64 110.955C273.39 111.255 273.125 111.55 272.865 111.845L272.33 112.445C269.854 115.156 267.134 117.635 264.205 119.85L263.535 120.33L262.755 ',
'120.895L261.755 121.565L260.845 122.175L260.645 122.31L259.705 122.91L258.655 123.58L257.595 124.195C257.24 124.4 256.885 124.595 256.52 124.795L255.435 125.365L254.335 125.925L253.225 ',
'126.45L252.1 126.96C251.723 127.127 251.343 127.289 250.96 127.445L249.81 127.915L249.68 127.965C249.34 128.102 248.997 128.231 248.65 128.35C248.285 128.47 247.885 128.63 247.5 128.765L247.005 ',
'128.925C246.376 129.131 245.744 129.331 245.11 129.525C243.471 130.026 241.807 130.444 240.125 130.775H240.075C239.115 130.98 238.14 131.155 237.165 131.305L236.875 131.345C235.975 131.475 ',
'235.065 131.595 234.15 131.695C230.055 132.103 225.93 132.103 221.835 131.695C220.915 131.595 220.01 131.475 219.105 131.345L218.82 131.305C216.981 131.023 215.155 130.656 213.35 130.205C212.505 ',
'129.995 211.68 129.76 210.865 129.535L209.6 129.145L208.465 128.77C197.66 125.046 188.143 118.314 181.033 109.365C173.924 100.416 169.519 89.6234 168.335 78.2559C167.152 66.8884 169.24 55.4194 ',
'174.353 45.1982C179.467 34.977 187.393 26.4289 197.2 20.5596L197.235 20.5096ZM198.615 83.3096C205.549 89.1262 214.315 92.305 223.365 92.2846H224.875C225.195 92.2846 225.545 92.2846 225.84 ',
'92.2346C226.34 92.2896 226.835 92.3196 227.335 92.3196H227.57C230.574 92.3219 233.488 91.2874 235.818 89.3909C238.148 87.4944 239.752 84.8519 240.36 81.9096C240.4 81.7346 240.36 81.7246 240.41 ',
'81.6396C240.767 79.7619 240.713 77.8292 240.252 75.9743C239.791 74.1194 238.934 72.3863 237.74 70.894C236.545 69.4018 235.042 68.1859 233.333 67.3298C231.624 66.4737 229.75 65.9977 227.84 ',
'65.9346H227.35C225.615 65.9346 223.895 66.2646 222.29 66.9196C219.935 67.5046 217.635 68.3046 215.42 69.2946C219.338 64.4663 224.286 60.5754 229.902 57.9071C235.518 55.2388 241.66 53.8607 ',
'247.877 53.8736C254.095 53.8866 260.231 55.2903 265.836 57.9819C271.441 60.6736 276.373 64.585 280.27 69.4296C279.755 58.9065 276.075 48.784 269.711 40.3876C263.347 31.9912 254.596 25.7122 ',
'244.603 22.3727C234.611 19.0333 223.843 18.789 213.709 21.6719C203.575 24.5548 194.548 30.4305 187.81 38.5296C184.558 46.1651 183.851 54.6447 185.794 62.7132C187.736 70.7818 192.225 ',
'78.0105 198.595 83.3296L198.615 83.3096Z" fill="url(#nft_paint2_linear_3004_12494)"/>',
'</g>'
)
);
}
function generageSvgCurve(
int24 tickLower,
int24 tickUpper,
int24 tickSpacing,
int8 overRange
) private pure returns (string memory svg) {
string memory fade = overRange == 1 ? '#fade-up' : overRange == - 1 ? '#fade-down' : '#none';
string memory curve = getCurve(tickLower, tickUpper, tickSpacing);
svg = string(
abi.encodePacked(
'<g mask="url(',
fade,
')"',
' style="transform:translate(72px,110px)">'
'<rect x="-16px" y="-16px" width="180px" height="180px" fill="none" />'
'<path d="',
curve,
'" stroke="rgba(255,255,255,0.1)" stroke-width="32px" fill="none" stroke-linecap="round" />',
'</g><g mask="url(',
fade,
')"',
' style="transform:translate(72px,110px)">',
'<rect x="-16px" y="-16px" width="180px" height="180px" fill="none" />',
'<path d="',
curve,
'" stroke="rgba(255,255,255,1)" fill="none" stroke-linecap="round" /></g>',
generateSVGCurveCircle(overRange)
)
);
}
function getCurve(
int24 tickLower,
int24 tickUpper,
int24 tickSpacing
) internal pure returns (string memory curve) {
int24 tickRange = (tickUpper - tickLower) / tickSpacing;
if (tickRange <= 4) {
curve = curve1;
} else if (tickRange <= 8) {
curve = curve2;
} else if (tickRange <= 16) {
curve = curve3;
} else if (tickRange <= 32) {
curve = curve4;
} else if (tickRange <= 64) {
curve = curve5;
} else if (tickRange <= 128) {
curve = curve6;
} else if (tickRange <= 256) {
curve = curve7;
} else {
curve = curve8;
}
}
function generateSVGCurveCircle(int8 overRange) internal pure returns (string memory svg) {
string memory curvex1 = '73';
string memory curvey1 = '110';
string memory curvex2 = '217';
string memory curvey2 = '255';
if (overRange == 1 || overRange == - 1) {
svg = string(
abi.encodePacked(
'<circle cx="',
overRange == - 1 ? curvex1 : curvex2,
'px" cy="',
overRange == - 1 ? curvey1 : curvey2,
'px" r="2px" fill="white" /><circle cx="',
overRange == - 1 ? curvex1 : curvex2,
'px" cy="',
overRange == - 1 ? curvey1 : curvey2,
'px" r="24px" fill="none" stroke="white" />'
)
);
} else {
svg = string(
abi.encodePacked(
'<circle cx="',
curvex1,
'px" cy="',
curvey1,
'px" r="4px" fill="white" />',
'<circle cx="',
curvex2,
'px" cy="',
curvey2,
'px" r="4px" fill="white" />'
)
);
}
}
function generateSVGPositionDataAndLocationCurve(
string memory baseTokenSymbol,
string memory quoteTokenSymbol,
int24 tickSpacing,
int24 tickLower,
int24 tickUpper
) private pure returns (string memory svg) {
string memory tickSpacingStr = tickToString(tickSpacing);
string memory tickLowerStr = tickToString(tickLower);
string memory tickUpperStr = tickToString(tickUpper);
uint256 str2length = bytes(tickLowerStr).length + 10;
uint256 str3length = bytes(tickUpperStr).length + 10;
svg = string(
abi.encodePacked(
'<rect x="12.25" y="317.25" width="275.5" height="129.5" rx="7.75" fill="url(#nft_paint5_linear_3004_12494)"/>',
'<rect x="12.25" y="317.25" width="275.5" height="129.5" rx="7.75" stroke="url(#nft_paint6_linear_3004_12494)" stroke-width="0.5"/>',
'<text fill="white" xml:space="preserve" style="white-space: pre" font-size="18" font-weight="600" letter-spacing="0px"><tspan x="28" y="351.3">',
baseTokenSymbol,
' / ',
quoteTokenSymbol,
'</tspan></text>',
'<text fill="white" xml:space="preserve" style="white-space: pre" font-size="14" letter-spacing="0px"><tspan x="28" y="374.9">Tick Spacing: ',
tickSpacingStr,
'</tspan></text>',
'<text x="28" y="404.9" fill="white" xml:space="preserve" style="white-space: pre" font-size="14" letter-spacing="0px"><tspan>Min Tick: </tspan><tspan font-weight="600">',
tickLowerStr,
'</tspan></text>',
'<text x="28" y="426.9" fill="white" xml:space="preserve" style="white-space: pre" font-size="14" letter-spacing="0px"><tspan>Max Tick: </tspan><tspan font-weight="600">',
tickUpperStr,
'</tspan></text>'
)
);
}
function tickToString(int24 tick) private pure returns (string memory) {
string memory sign = '';
if (tick < 0) {
tick = tick * - 1;
sign = '-';
}
return string(abi.encodePacked(sign, uint256(tick).toString()));
}
}// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.5.0;
import "contracts/core/interfaces/ICLFactory.sol";
import "@openzeppelin/contracts/proxy/Clones.sol";
/// @title Provides functions for deriving a pool address from the factory, tokens, and the fee
library PoolAddress {
/// @notice The identifying key of the pool
struct PoolKey {
address token0;
address token1;
int24 tickSpacing;
}
/// @notice Returns PoolKey: the ordered tokens with the matched fee levels
/// @param tokenA The first token of a pool, unsorted
/// @param tokenB The second token of a pool, unsorted
/// @param tickSpacing The tick spacing of the pool
/// @return Poolkey The pool details with ordered token0 and token1 assignments
function getPoolKey(address tokenA, address tokenB, int24 tickSpacing) internal pure returns (PoolKey memory) {
if (tokenA > tokenB) (tokenA, tokenB) = (tokenB, tokenA);
return PoolKey({token0: tokenA, token1: tokenB, tickSpacing: tickSpacing});
}
/// @notice Deterministically computes the pool address given the factory and PoolKey
/// @param factory The CL factory contract address
/// @param key The PoolKey
/// @return pool The contract address of the V3 pool
function computeAddress(address factory, PoolKey memory key) internal view returns (address pool) {
require(key.token0 < key.token1);
pool = Clones.predictDeterministicAddress({
master: ICLFactory(factory).poolImplementation(),
salt: keccak256(abi.encode(key.token0, key.token1, key.tickSpacing)),
deployer: factory
});
}
}// SPDX-License-Identifier: MIT
pragma solidity =0.7.6;
library TokenRatioSortOrder {
int256 constant NUMERATOR_MOST = 300;
int256 constant NUMERATOR_MORE = 200;
int256 constant NUMERATOR = 100;
int256 constant DENOMINATOR_MOST = -300;
int256 constant DENOMINATOR_MORE = -200;
int256 constant DENOMINATOR = -100;
}// SPDX-License-Identifier: MIT pragma solidity >=0.6.0; /// @title Base64 /// @author Brecht Devos - <[email protected]> /// @notice Provides functions for encoding/decoding base64 library Base64 { string internal constant TABLE_ENCODE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; bytes internal constant TABLE_DECODE = hex"0000000000000000000000000000000000000000000000000000000000000000" hex"00000000000000000000003e0000003f3435363738393a3b3c3d000000000000" hex"00000102030405060708090a0b0c0d0e0f101112131415161718190000000000" hex"001a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132330000000000"; function encode(bytes memory data) internal pure returns (string memory) { if (data.length == 0) return ''; // load the table into memory string memory table = TABLE_ENCODE; // multiply by 4/3 rounded up uint256 encodedLen = 4 * ((data.length + 2) / 3); // add some extra buffer at the end required for the writing string memory result = new string(encodedLen + 32); assembly { // set the actual output length mstore(result, encodedLen) // prepare the lookup table let tablePtr := add(table, 1) // input ptr let dataPtr := data let endPtr := add(dataPtr, mload(data)) // result ptr, jump over length let resultPtr := add(result, 32) // run over the input, 3 bytes at a time for {} lt(dataPtr, endPtr) {} { // read 3 bytes dataPtr := add(dataPtr, 3) let input := mload(dataPtr) // write 4 characters mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F)))) resultPtr := add(resultPtr, 1) mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F)))) resultPtr := add(resultPtr, 1) mstore8(resultPtr, mload(add(tablePtr, and(shr( 6, input), 0x3F)))) resultPtr := add(resultPtr, 1) mstore8(resultPtr, mload(add(tablePtr, and( input, 0x3F)))) resultPtr := add(resultPtr, 1) } // padding with '=' switch mod(mload(data), 3) case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) } case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) } } return result; } function decode(string memory _data) internal pure returns (bytes memory) { bytes memory data = bytes(_data); if (data.length == 0) return new bytes(0); require(data.length % 4 == 0, "invalid base64 decoder input"); // load the table into memory bytes memory table = TABLE_DECODE; // every 4 characters represent 3 bytes uint256 decodedLen = (data.length / 4) * 3; // add some extra buffer at the end required for the writing bytes memory result = new bytes(decodedLen + 32); assembly { // padding with '=' let lastBytes := mload(add(data, mload(data))) if eq(and(lastBytes, 0xFF), 0x3d) { decodedLen := sub(decodedLen, 1) if eq(and(lastBytes, 0xFFFF), 0x3d3d) { decodedLen := sub(decodedLen, 1) } } // set the actual output length mstore(result, decodedLen) // prepare the lookup table let tablePtr := add(table, 1) // input ptr let dataPtr := data let endPtr := add(dataPtr, mload(data)) // result ptr, jump over length let resultPtr := add(result, 32) // run over the input, 4 characters at a time for {} lt(dataPtr, endPtr) {} { // read 4 characters dataPtr := add(dataPtr, 4) let input := mload(dataPtr) // write 3 bytes let output := add( add( shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)), shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))), add( shl( 6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)), and(mload(add(tablePtr, and( input , 0xFF))), 0xFF) ) ) mstore(resultPtr, shl(232, output)) resultPtr := add(resultPtr, 3) } } return result; } }
// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the substraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b > a) return (false, 0);
return (true, a - b);
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a / b);
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
if (b == 0) return (false, 0);
return (true, a % b);
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) return 0;
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: modulo by zero");
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryDiv}.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @title SignedSafeMath
* @dev Signed math operations with safety checks that revert on error.
*/
library SignedSafeMath {
int256 constant private _INT256_MIN = -2**255;
/**
* @dev Returns the multiplication of two signed integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(int256 a, int256 b) internal pure returns (int256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
require(!(a == -1 && b == _INT256_MIN), "SignedSafeMath: multiplication overflow");
int256 c = a * b;
require(c / a == b, "SignedSafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two signed integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(int256 a, int256 b) internal pure returns (int256) {
require(b != 0, "SignedSafeMath: division by zero");
require(!(b == -1 && a == _INT256_MIN), "SignedSafeMath: division overflow");
int256 c = a / b;
return c;
}
/**
* @dev Returns the subtraction of two signed integers, reverting on
* overflow.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(int256 a, int256 b) internal pure returns (int256) {
int256 c = a - b;
require((b >= 0 && c <= a) || (b < 0 && c > a), "SignedSafeMath: subtraction overflow");
return c;
}
/**
* @dev Returns the addition of two signed integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(int256 a, int256 b) internal pure returns (int256) {
int256 c = a + b;
require((b >= 0 && c >= a) || (b < 0 && c < a), "SignedSafeMath: addition overflow");
return c;
}
}// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
/**
* @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for
* deploying minimal proxy contracts, also known as "clones".
*
* > To simply and cheaply clone contract functionality in an immutable way, this standard specifies
* > a minimal bytecode implementation that delegates all calls to a known, fixed address.
*
* The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`
* (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the
* deterministic method.
*
* _Available since v3.4._
*/
library Clones {
/**
* @dev Deploys and returns the address of a clone that mimics the behaviour of `master`.
*
* This function uses the create opcode, which should never revert.
*/
function clone(address master) internal returns (address instance) {
// solhint-disable-next-line no-inline-assembly
assembly {
let ptr := mload(0x40)
mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(ptr, 0x14), shl(0x60, master))
mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
instance := create(0, ptr, 0x37)
}
require(instance != address(0), "ERC1167: create failed");
}
/**
* @dev Deploys and returns the address of a clone that mimics the behaviour of `master`.
*
* This function uses the create2 opcode and a `salt` to deterministically deploy
* the clone. Using the same `master` and `salt` multiple time will revert, since
* the clones cannot be deployed twice at the same address.
*/
function cloneDeterministic(address master, bytes32 salt) internal returns (address instance) {
// solhint-disable-next-line no-inline-assembly
assembly {
let ptr := mload(0x40)
mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(ptr, 0x14), shl(0x60, master))
mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
instance := create2(0, ptr, 0x37, salt)
}
require(instance != address(0), "ERC1167: create2 failed");
}
/**
* @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
*/
function predictDeterministicAddress(address master, bytes32 salt, address deployer) internal pure returns (address predicted) {
// solhint-disable-next-line no-inline-assembly
assembly {
let ptr := mload(0x40)
mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(ptr, 0x14), shl(0x60, master))
mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)
mstore(add(ptr, 0x38), shl(0x60, deployer))
mstore(add(ptr, 0x4c), salt)
mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))
predicted := keccak256(add(ptr, 0x37), 0x55)
}
}
/**
* @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
*/
function predictDeterministicAddress(address master, bytes32 salt) internal view returns (address predicted) {
return predictDeterministicAddress(master, salt, address(this));
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import "../../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`, 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 be 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 Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @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 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);
/**
* @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;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import "./IERC721.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Enumerable is IERC721 {
/**
* @dev Returns the total amount of tokens stored by the contract.
*/
function totalSupply() external view returns (uint256);
/**
* @dev 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 tokenId);
/**
* @dev 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);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import "./IERC721.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Metadata is IERC721 {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @dev String operations.
*/
library Strings {
/**
* @dev Converts a `uint256` to its ASCII `string` representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
uint256 index = digits - 1;
temp = value;
while (temp != 0) {
buffer[index--] = bytes1(uint8(48 + temp % 10));
temp /= 10;
}
return string(buffer);
}
}// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.5.0;
library AddressStringUtil {
// converts an address to the uppercase hex string, extracting only len bytes (up to 20, multiple of 2)
function toAsciiString(address addr, uint256 len) internal pure returns (string memory) {
require(len % 2 == 0 && len > 0 && len <= 40, 'AddressStringUtil: INVALID_LEN');
bytes memory s = new bytes(len);
uint256 addrNum = uint256(addr);
for (uint256 i = 0; i < len / 2; i++) {
// shift right and truncate all but the least significant byte to extract the byte at position 19-i
uint8 b = uint8(addrNum >> (8 * (19 - i)));
// first hex character is the most significant 4 bits
uint8 hi = b >> 4;
// second hex character is the least significant 4 bits
uint8 lo = b - (hi << 4);
s[2 * i] = char(hi);
s[2 * i + 1] = char(lo);
}
return string(s);
}
// hi and lo are only 4 bits and between 0 and 16
// this method converts those values to the unicode/ascii code point for the hex representation
// uses upper case for the characters
function char(uint8 b) private pure returns (bytes1 c) {
if (b < 10) {
return bytes1(b + 0x30);
} else {
return bytes1(b + 0x37);
}
}
}// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity >=0.5.0;
import './AddressStringUtil.sol';
// produces token descriptors from inconsistent or absent ERC20 symbol implementations that can return string or bytes32
// this library will always produce a string symbol to represent the token
library SafeERC20Namer {
function bytes32ToString(bytes32 x) private pure returns (string memory) {
bytes memory bytesString = new bytes(32);
uint256 charCount = 0;
for (uint256 j = 0; j < 32; j++) {
bytes1 char = x[j];
if (char != 0) {
bytesString[charCount] = char;
charCount++;
}
}
bytes memory bytesStringTrimmed = new bytes(charCount);
for (uint256 j = 0; j < charCount; j++) {
bytesStringTrimmed[j] = bytesString[j];
}
return string(bytesStringTrimmed);
}
// assumes the data is in position 2
function parseStringData(bytes memory b) private pure returns (string memory) {
uint256 charCount = 0;
// first parse the charCount out of the data
for (uint256 i = 32; i < 64; i++) {
charCount <<= 8;
charCount += uint8(b[i]);
}
bytes memory bytesStringTrimmed = new bytes(charCount);
for (uint256 i = 0; i < charCount; i++) {
bytesStringTrimmed[i] = b[i + 64];
}
return string(bytesStringTrimmed);
}
// uses a heuristic to produce a token name from the address
// the heuristic returns the full hex of the address string in upper case
function addressToName(address token) private pure returns (string memory) {
return AddressStringUtil.toAsciiString(token, 40);
}
// uses a heuristic to produce a token symbol from the address
// the heuristic returns the first 6 hex of the address string in upper case
function addressToSymbol(address token) private pure returns (string memory) {
return AddressStringUtil.toAsciiString(token, 6);
}
// calls an external view token contract method that returns a symbol or name, and parses the output into a string
function callAndParseStringReturn(address token, bytes4 selector) private view returns (string memory) {
(bool success, bytes memory data) = token.staticcall(abi.encodeWithSelector(selector));
// if not implemented, or returns empty data, return empty string
if (!success || data.length == 0) {
return '';
}
// bytes32 data always has length 32
if (data.length == 32) {
bytes32 decoded = abi.decode(data, (bytes32));
return bytes32ToString(decoded);
} else if (data.length > 64) {
return abi.decode(data, (string));
}
return '';
}
// attempts to extract the token symbol. if it does not implement symbol, returns a symbol derived from the address
function tokenSymbol(address token) internal view returns (string memory) {
// 0x95d89b41 = bytes4(keccak256("symbol()"))
string memory symbol = callAndParseStringReturn(token, 0x95d89b41);
if (bytes(symbol).length == 0) {
// fallback to 6 uppercase hex of address
return addressToSymbol(token);
}
return symbol;
}
// attempts to extract the token name. if it does not implement name, returns a name derived from the address
function tokenName(address token) internal view returns (string memory) {
// 0x06fdde03 = bytes4(keccak256("name()"))
string memory name = callAndParseStringReturn(token, 0x06fdde03);
if (bytes(name).length == 0) {
// fallback to full hex of address
return addressToName(token);
}
return name;
}
}{
"optimizer": {
"enabled": true,
"runs": 200
},
"metadata": {
"bytecodeHash": "none",
"useLiteralContent": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"remappings": [
"@nomad-xyz/=lib/ExcessivelySafeCall/",
"@openzeppelin/=lib/openzeppelin-contracts/",
"@uniswap/=lib/solidity-lib/",
"ExcessivelySafeCall/=lib/ExcessivelySafeCall/src/",
"base64-sol/=lib/base64/",
"base64/=lib/base64/",
"ds-test/=lib/forge-std/lib/ds-test/src/",
"forge-std/=lib/forge-std/src/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
"solidity-lib/=lib/solidity-lib/contracts/"
],
"libraries": {
"contracts/periphery/libraries/NFTDescriptor.sol": {
"NFTDescriptor": "0x9ae9112748c9ad3588d97a3059679a117125cb8d"
}
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"address","name":"_WETH9","type":"address"},{"internalType":"bytes32","name":"_nativeCurrencyLabelBytes","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"WETH9","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token0","type":"address"},{"internalType":"address","name":"token1","type":"address"},{"internalType":"uint256","name":"chainId","type":"uint256"}],"name":"flipRatio","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nativeCurrencyLabel","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nativeCurrencyLabelBytes","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"chainId","type":"uint256"}],"name":"tokenRatioPriority","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract INonfungiblePositionManager","name":"positionManager","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000042000000000000000000000000000000000000064554480000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _WETH9 (address): 0x4200000000000000000000000000000000000006
Arg [1] : _nativeCurrencyLabelBytes (bytes32): 0x4554480000000000000000000000000000000000000000000000000000000000
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000004200000000000000000000000000000000000006
Arg [1] : 4554480000000000000000000000000000000000000000000000000000000000
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Multichain Portfolio | 35 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.