Description:
Multi-signature wallet contract requiring multiple confirmations for transaction execution.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
/// @dev To use this library, declare `using CustomRevert for bytes4;` and replace `revert CustomError()` with
/// `CustomError.selector.revertWith()`.
library CustomRevert {
/// @dev For efficiency, this function's code is inlined into every function that uses it.
/// Please ensure that this function remains internal.
function revertWith(bytes4 selector) internal pure {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, selector)
revert(0x1c, 0x04)
}
}
/// @dev For efficiency, this function's code is inlined into every function that uses it.
/// Please ensure that this function remains internal.
function revertWith(bytes4 selector, uint256 argument) internal pure {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, selector)
mstore(0x20, argument)
revert(0x1c, 0x24)
}
}
/// @dev For efficiency, this function's code is inlined into every function that uses it.
/// Please ensure that this function remains internal.
function revertWith(bytes4 selector, int24 argument) internal pure {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, selector)
mstore(0x20, argument)
revert(0x1c, 0x24)
}
}
/// @dev For efficiency, this function's code is inlined into every function that uses it.
/// Please ensure that this function remains internal.
function revertWith(bytes4 selector, uint256 argument1, uint256 argument2) internal pure {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, selector)
mstore(0x20, argument1)
mstore(0x40, argument2)
revert(0x1c, 0x44)
}
}
/// @dev For efficiency, this function's code is inlined into every function that uses it.
/// Please ensure that this function remains internal.
function revertWith(bytes4 selector, uint256 argument1, uint256 argument2, uint256 argument3) internal pure {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, selector)
mstore(0x20, argument1)
mstore(0x40, argument2)
mstore(0x60, argument3)
revert(0x1c, 0x64)
}
}
/// @dev Bubble up the revert if the delegatecall reverted,
/// otherwise revert with `Error(string)` with `reason`.
function bubbleUpAndRevertWith(address target, bytes4 selector, bytes4 reason) internal {
/// @solidity memory-safe-assembly
assembly {
let m := mload(0x40)
mstore(m, selector)
let success := delegatecall(gas(), target, m, 0x04, 0x00, 0x00)
if success { return(0, 0) }
if returndatasize() {
// Bubble up the revert if the delegatecall failed.
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
mstore(m, 0x08c379a000000000000000000000000000000000000000000000000000000000)
mstore(add(m, 0x04), 0x20)
mstore(add(m, 0x24), 4)
mstore(add(m, 0x44), reason)
revert(m, 0x64)
}
}
/// @dev Bubble up the revert if the staticcall reverted,
/// otherwise revert with `Error(string)` with `reason`.
function bubbleUpAndRevertWith(address target, bytes memory data, bytes4 reason) internal view {
/// @solidity memory-safe-assembly
assembly {
let success := staticcall(gas(), target, add(data, 0x20), mload(data), 0x00, 0x00)
if success { return(0, 0) }
if returndatasize() {
// Bubble up the revert if the staticcall failed.
let m := mload(0x40)
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
let m := mload(0x40)
mstore(m, 0x08c379a000000000000000000000000000000000000000000000000000000000)
mstore(add(m, 0x04), 0x20)
mstore(add(m, 0x24), 4)
mstore(add(m, 0x44), reason)
revert(m, 0x64)
}
}
}
type Currency is address;
using {lessThan as <, equal as ==, greaterThanOrEqualTo as >=} for Currency global;
using CurrencyLibrary for Currency global;
function lessThan(Currency currency, Currency other) pure returns (bool) {
return Currency.unwrap(currency) < Currency.unwrap(other);
}
function greaterThanOrEqualTo(Currency currency, Currency other) pure returns (bool) {
return Currency.unwrap(currency) >= Currency.unwrap(other);
}
function equal(Currency currency, Currency other) pure returns (bool) {
return Currency.unwrap(currency) == Currency.unwrap(other);
}
type PoolId is bytes32;
library PoolIdLibrary {
function toId(PoolKey memory poolKey) internal pure returns (PoolId) {
return PoolId.wrap(keccak256(abi.encode(poolKey)));
}
}
using PoolIdLibrary for PoolKey global;
type BalanceDelta is int256;
using {add as +, sub as -, eq as ==, neq as !=} for BalanceDelta global;
using SafeCast for int256;
function toBalanceDelta(int128 _amount0, int128 _amount1) pure returns (BalanceDelta balanceDelta) {
assembly ("memory-safe") {
balanceDelta := or(shl(128, _amount0), and(sub(shl(128, 1), 1), _amount1))
}
}
function add(BalanceDelta a, BalanceDelta b) pure returns (BalanceDelta) {
int128 res0;
int128 res1;
assembly ("memory-safe") {
let a0 := sar(128, a)
let a1 := signextend(15, a)
let b0 := sar(128, b)
let b1 := signextend(15, b)
res0 := add(a0, b0)
res1 := add(a1, b1)
}
return toBalanceDelta(res0, res1);
}
function sub(BalanceDelta a, BalanceDelta b) pure returns (BalanceDelta) {
int128 res0;
int128 res1;
assembly ("memory-safe") {
let a0 := sar(128, a)
let a1 := signextend(15, a)
let b0 := sar(128, b)
let b1 := signextend(15, b)
res0 := sub(a0, b0)
res1 := sub(a1, b1)
}
return toBalanceDelta(res0, res1);
}
function eq(BalanceDelta a, BalanceDelta b) pure returns (bool) {
return BalanceDelta.unwrap(a) == BalanceDelta.unwrap(b);
}
function neq(BalanceDelta a, BalanceDelta b) pure returns (bool) {
return BalanceDelta.unwrap(a) != BalanceDelta.unwrap(b);
}
struct PoolKey {
Currency currency0;
Currency currency1;
uint24 fee;
int24 tickSpacing;
IHooks hooks;
}
struct ModifyLiquidityParams {
int24 tickLower;
int24 tickUpper;
int256 liquidityDelta;
bytes32 salt;
}
struct SwapParams {
bool zeroForOne;
int256 amountSpecified;
uint160 sqrtPriceLimitX96;
}
struct Policy {
uint256 minPrice;
uint256 expiry;
uint256 tokenId;
address collection;
bool enabled;
}
/// @notice Interface for functions to access any transient storage slot in a contract
interface IExttload {
/// @notice Called by external contracts to access transient storage of the contract
/// @param slot Key of slot to tload
/// @return value The value of the slot as bytes32
function exttload(bytes32 slot) external view returns (bytes32 value);
/// @notice Called by external contracts to access sparse transient pool state
/// @param slots List of slots to tload
/// @return values List of loaded values
function exttload(bytes32[] calldata slots) external view returns (bytes32[] memory values);
}
/// @notice Interface for functions to access any storage slot in a contract
interface IExtsload {
/// @notice Called by external contracts to access granular pool state
/// @param slot Key of slot to sload
/// @return value The value of the slot as bytes32
function extsload(bytes32 slot) external view returns (bytes32 value);
/// @notice Called by external contracts to access granular pool state
/// @param startSlot Key of slot to start sloading from
/// @param nSlots Number of slots to load into return value
/// @return values List of loaded values.
function extsload(bytes32 startSlot, uint256 nSlots) external view returns (bytes32[] memory values);
/// @notice Called by external contracts to access sparse pool state
/// @param slots List of slots to SLOAD from.
/// @return values List of loaded values.
function extsload(bytes32[] calldata slots) external view returns (bytes32[] memory values);
}
/// @notice Interface for all protocol-fee related functions in the pool manager
interface IProtocolFees {
/// @notice Thrown when protocol fee is set too high
error ProtocolFeeTooLarge(uint24 fee);
/// @notice Thrown when collectProtocolFees or setProtocolFee is not called by the controller.
error InvalidCaller();
/// @notice Thrown when collectProtocolFees is attempted on a token that is synced.
error ProtocolFeeCurrencySynced();
/// @notice Emitted when the protocol fee controller address is updated in setProtocolFeeController.
event ProtocolFeeControllerUpdated(address indexed protocolFeeController);
/// @notice Emitted when a policy is approved
event PolicyApproved(bytes32 indexed orderHash, uint256 minPrice, uint256 expiry, uint256 tokenId);
/// @notice Emitted when a policy is invalidated
event PolicyInvalidated(bytes32 indexed orderHash);
/// @notice Emitted when the protocol fee is updated for a pool.
event ProtocolFeeUpdated(PoolId indexed id, uint24 protocolFee);
/// @notice Given a currency address, returns the protocol fees accrued in that currency
/// @param currency The currency to check
/// @return amount The amount of protocol fees accrued in the currency
function protocolFeesAccrued(Currency currency) external view returns (uint256 amount);
/// @notice Sets the protocol fee for the given pool
/// @param key The key of the pool to set a protocol fee for
/// @param newProtocolFee The fee to set
function setProtocolFee(PoolKey memory key, uint24 newProtocolFee) external;
/// @notice Sets the protocol fee controller
/// @param controller The new protocol fee controller
function setProtocolFeeController(address controller) external;
/// @notice Collects the protocol fees for a given recipient and currency, returning the amount collected
/// @dev This will revert if the contract is unlocked
/// @param recipient The address to receive the protocol fees
/// @param currency The currency to withdraw
/// @param amount The amount of currency to withdraw
/// @return amountCollected The amount of currency successfully withdrawn
function collectProtocolFees(address recipient, Currency currency, uint256 amount)
external
returns (uint256 amountCollected);
/// @notice Returns the current protocol fee controller address
/// @return address The current protocol fee controller address
function protocolFeeController() external view returns (address);
}
/// @notice Interface for claims over a contract balance, wrapped as a ERC6909
interface IERC6909Claims {
/*//////////////////////////////////////////////////////////////
EVENTS
//////////////////////////////////////////////////////////////*/
event OperatorSet(address indexed owner, address indexed operator, bool approved);
event Approval(address indexed owner, address indexed spender, uint256 indexed id, uint256 amount);
event Transfer(address caller, address indexed from, address indexed to, uint256 indexed id, uint256 amount);
/*//////////////////////////////////////////////////////////////
FUNCTIONS
//////////////////////////////////////////////////////////////*/
/// @notice Owner balance of an id.
/// @param owner The address of the owner.
/// @param id The id of the token.
/// @return amount The balance of the token.
function balanceOf(address owner, uint256 id) external view returns (uint256 amount);
/// @notice Spender allowance of an id.
/// @param owner The address of the owner.
/// @param spender The address of the spender.
/// @param id The id of the token.
/// @return amount The allowance of the token.
function allowance(address owner, address spender, uint256 id) external view returns (uint256 amount);
/// @notice Checks if a spender is approved by an owner as an operator
/// @param owner The address of the owner.
/// @param spender The address of the spender.
/// @return approved The approval status.
function isOperator(address owner, address spender) external view returns (bool approved);
/// @notice Transfers an amount of an id from the caller to a receiver.
/// @param receiver The address of the receiver.
/// @param id The id of the token.
/// @param amount The amount of the token.
/// @return bool True, always, unless the function reverts
function transfer(address receiver, uint256 id, uint256 amount) external returns (bool);
/// @notice Transfers an amount of an id from a sender to a receiver.
/// @param sender The address of the sender.
/// @param receiver The address of the receiver.
/// @param id The id of the token.
/// @param amount The amount of the token.
/// @return bool True, always, unless the function reverts
function transferFrom(address sender, address receiver, uint256 id, uint256 amount) external returns (bool);
/// @notice Approves an amount of an id to a spender.
/// @param spender The address of the spender.
/// @param id The id of the token.
/// @param amount The amount of the token.
/// @return bool True, always
function approve(address spender, uint256 id, uint256 amount) external returns (bool);
/// @notice Sets or removes an operator for the caller.
/// @param operator The address of the operator.
/// @param approved The approval status.
/// @return bool True, always
function setOperator(address operator, bool approved) external returns (bool);
}
interface IEIP712 {
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
/// @title Safe casting methods
/// @notice Contains methods for safely casting between types
library SafeCast {
using CustomRevert for bytes4;
error SafeCastOverflow();
/// @notice Cast a uint256 to a uint160, revert on overflow
/// @param x The uint256 to be downcasted
/// @return y The downcasted integer, now type uint160
function toUint160(uint256 x) internal pure returns (uint160 y) {
y = uint160(x);
if (y != x) SafeCastOverflow.selector.revertWith();
}
/// @notice Cast a uint256 to a uint128, revert on overflow
/// @param x The uint256 to be downcasted
/// @return y The downcasted integer, now type uint128
function toUint128(uint256 x) internal pure returns (uint128 y) {
y = uint128(x);
if (x != y) SafeCastOverflow.selector.revertWith();
}
/// @notice Cast a int128 to a uint128, revert on overflow or underflow
/// @param x The int128 to be casted
/// @return y The casted integer, now type uint128
function toUint128(int128 x) internal pure returns (uint128 y) {
if (x < 0) SafeCastOverflow.selector.revertWith();
y = uint128(x);
}
/// @notice Cast a int256 to a int128, revert on overflow or underflow
/// @param x The int256 to be downcasted
/// @return y The downcasted integer, now type int128
function toInt128(int256 x) internal pure returns (int128 y) {
y = int128(x);
if (y != x) SafeCastOverflow.selector.revertWith();
}
/// @notice Cast a uint256 to a int256, revert on overflow
/// @param x The uint256 to be casted
/// @return y The casted integer, now type int256
function toInt256(uint256 x) internal pure returns (int256 y) {
y = int256(x);
if (y < 0) SafeCastOverflow.selector.revertWith();
}
/// @notice Cast a uint256 to a int128, revert on overflow
/// @param x The uint256 to be downcasted
/// @return The downcasted integer, now type int128
function toInt128(uint256 x) internal pure returns (int128) {
if (x >= 1 << 127) SafeCastOverflow.selector.revertWith();
return int128(int256(x));
}
}
/// @notice Interface for the PoolManager
interface IPoolManager is IProtocolFees, IERC6909Claims, IExtsload, IExttload {
/// @notice Thrown when a currency is not netted out after the contract is unlocked
error CurrencyNotSettled();
/// @notice Thrown when trying to interact with a non-initialized pool
error PoolNotInitialized();
/// @notice Thrown when unlock is called, but the contract is already unlocked
error AlreadyUnlocked();
/// @notice Thrown when a function is called that requires the contract to be unlocked, but it is not
error ManagerLocked();
/// @notice Pools are limited to type(int16).max tickSpacing in #initialize, to prevent overflow
error TickSpacingTooLarge(int24 tickSpacing);
/// @notice Pools must have a positive non-zero tickSpacing passed to #initialize
error TickSpacingTooSmall(int24 tickSpacing);
/// @notice PoolKey must have currencies where address(currency0) < address(currency1)
error CurrenciesOutOfOrderOrEqual(address currency0, address currency1);
/// @notice Thrown when a call to updateDynamicLPFee is made by an address that is not the hook,
/// or on a pool that does not have a dynamic swap fee.
error UnauthorizedDynamicLPFeeUpdate();
/// @notice Thrown when trying to swap amount of 0
error SwapAmountCannotBeZero();
///@notice Thrown when native currency is passed to a non native settlement
error NonzeroNativeValue();
/// @notice Thrown when `clear` is called with an amount that is not exactly equal to the open currency delta.
error MustClearExactPositiveDelta();
/// @notice Emitted when a new pool is initialized
/// @param id The abi encoded hash of the pool key struct for the new pool
/// @param currency0 The first currency of the pool by address sort order
/// @param currency1 The second currency of the pool by address sort order
/// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip
/// @param tickSpacing The minimum number of ticks between initialized ticks
/// @param hooks The hooks contract address for the pool, or address(0) if none
/// @param sqrtPriceX96 The price of the pool on initialization
/// @param tick The initial tick of the pool corresponding to the initialized price
event Initialize(
PoolId indexed id,
Currency indexed currency0,
Currency indexed currency1,
uint24 fee,
int24 tickSpacing,
IHooks hooks,
uint160 sqrtPriceX96,
int24 tick
);
/// @notice Emitted when a liquidity position is modified
/// @param id The abi encoded hash of the pool key struct for the pool that was modified
/// @param sender The address that modified the pool
/// @param tickLower The lower tick of the position
/// @param tickUpper The upper tick of the position
/// @param liquidityDelta The amount of liquidity that was added or removed
/// @param salt The extra data to make positions unique
event ModifyLiquidity(
PoolId indexed id, address indexed sender, int24 tickLower, int24 tickUpper, int256 liquidityDelta, bytes32 salt
);
/// @notice Emitted for swaps between currency0 and currency1
/// @param id The abi encoded hash of the pool key struct for the pool that was modified
/// @param sender The address that initiated the swap call, and that received the callback
/// @param amount0 The delta of the currency0 balance of the pool
/// @param amount1 The delta of the currency1 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 the price of the pool after the swap
/// @param fee The swap fee in hundredths of a bip
event Swap(
PoolId indexed id,
address indexed sender,
int128 amount0,
int128 amount1,
uint160 sqrtPriceX96,
uint128 liquidity,
int24 tick,
uint24 fee
);
/// @notice Emitted for donations
/// @param id The abi encoded hash of the pool key struct for the pool that was donated to
/// @param sender The address that initiated the donate call
/// @param amount0 The amount donated in currency0
/// @param amount1 The amount donated in currency1
event Donate(PoolId indexed id, address indexed sender, uint256 amount0, uint256 amount1);
/// @notice All interactions on the contract that account deltas require unlocking. A caller that calls `unlock` must implement
/// `IUnlockCallback(msg.sender).unlockCallback(data)`, where they interact with the remaining functions on this contract.
/// @dev The only functions callable without an unlocking are `initialize` and `updateDynamicLPFee`
/// @param data Any data to pass to the callback, via `IUnlockCallback(msg.sender).unlockCallback(data)`
/// @return The data returned by the call to `IUnlockCallback(msg.sender).unlockCallback(data)`
function unlock(bytes calldata data) external returns (bytes memory);
/// @notice Initialize the state for a given pool ID
/// @dev A swap fee totaling MAX_SWAP_FEE (100%) makes exact output swaps impossible since the input is entirely consumed by the fee
/// @param key The pool key for the pool to initialize
/// @param sqrtPriceX96 The initial square root price
/// @return tick The initial tick of the pool
function initialize(PoolKey memory key, uint160 sqrtPriceX96) external returns (int24 tick);
/// @notice Modify the liquidity for the given pool
/// @dev Poke by calling with a zero liquidityDelta
/// @param key The pool to modify liquidity in
/// @param params The parameters for modifying the liquidity
/// @param hookData The data to pass through to the add/removeLiquidity hooks
/// @return callerDelta The balance delta of the caller of modifyLiquidity. This is the total of both principal, fee deltas, and hook deltas if applicable
/// @return feesAccrued The balance delta of the fees generated in the liquidity range. Returned for informational purposes
/// @dev Note that feesAccrued can be artificially inflated by a malicious actor and integrators should be careful using the value
/// For pools with a single liquidity position, actors can donate to themselves to inflate feeGrowthGlobal (and consequently feesAccrued)
/// atomically donating and collecting fees in the same unlockCallback may make the inflated value more extreme
function modifyLiquidity(PoolKey memory key, ModifyLiquidityParams memory params, bytes calldata hookData)
external
returns (BalanceDelta callerDelta, BalanceDelta feesAccrued);
/// @notice Swap against the given pool
/// @param key The pool to swap in
/// @param params The parameters for swapping
/// @param hookData The data to pass through to the swap hooks
/// @return swapDelta The balance delta of the address swapping
/// @dev Swapping on low liquidity pools may cause unexpected swap amounts when liquidity available is less than amountSpecified.
/// Additionally note that if interacting with hooks that have the BEFORE_SWAP_RETURNS_DELTA_FLAG or AFTER_SWAP_RETURNS_DELTA_FLAG
/// the hook may alter the swap input/output. Integrators should perform checks on the returned swapDelta.
function swap(PoolKey memory key, SwapParams memory params, bytes calldata hookData)
external
returns (BalanceDelta swapDelta);
/// @notice Donate the given currency amounts to the in-range liquidity providers of a pool
/// @dev Calls to donate can be frontrun adding just-in-time liquidity, with the aim of receiving a portion donated funds.
/// Donors should keep this in mind when designing donation mechanisms.
/// @dev This function donates to in-range LPs at slot0.tick. In certain edge-cases of the swap algorithm, the `sqrtPrice` of
/// a pool can be at the lower boundary of tick `n`, but the `slot0.tick` of the pool is already `n - 1`. In this case a call to
/// `donate` would donate to tick `n - 1` (slot0.tick) not tick `n` (getTickAtSqrtPrice(slot0.sqrtPriceX96)).
/// Read the comments in `Pool.swap()` for more information about this.
/// @param key The key of the pool to donate to
/// @param amount0 The amount of currency0 to donate
/// @param amount1 The amount of currency1 to donate
/// @param hookData The data to pass through to the donate hooks
/// @return BalanceDelta The delta of the caller after the donate
function donate(PoolKey memory key, uint256 amount0, uint256 amount1, bytes calldata hookData)
external
returns (BalanceDelta);
/// @notice Writes the current ERC20 balance of the specified currency to transient storage
/// This is used to checkpoint balances for the manager and derive deltas for the caller.
/// @dev This MUST be called before any ERC20 tokens are sent into the contract, but can be skipped
/// for native tokens because the amount to settle is determined by the sent value.
/// However, if an ERC20 token has been synced and not settled, and the caller instead wants to settle
/// native funds, this function can be called with the native currency to then be able to settle the native currency
function sync(Currency currency) external;
/// @notice Called by the user to net out some value owed to the user
/// @dev Will revert if the requested amount is not available, consider using `mint` instead
/// @dev Can also be used as a mechanism for free flash loans
/// @param currency The currency to withdraw from the pool manager
/// @param to The address to withdraw to
/// @param amount The amount of currency to withdraw
function take(Currency currency, address to, uint256 amount) external;
/// @notice Called by the user to pay what is owed
/// @return paid The amount of currency settled
function settle() external payable returns (uint256 paid);
/// @notice Called by the user to pay on behalf of another address
/// @param recipient The address to credit for the payment
/// @return paid The amount of currency settled
function settleFor(address recipient) external payable returns (uint256 paid);
/// @notice WARNING - Any currency that is cleared, will be non-retrievable, and locked in the contract permanently.
/// A call to clear will zero out a positive balance WITHOUT a corresponding transfer.
/// @dev This could be used to clear a balance that is considered dust.
/// Additionally, the amount must be the exact positive balance. This is to enforce that the caller is aware of the amount being cleared.
function clear(Currency currency, uint256 amount) external;
/// @notice Called by the user to move value into ERC6909 balance
/// @param to The address to mint the tokens to
/// @param id The currency address to mint to ERC6909s, as a uint256
/// @param amount The amount of currency to mint
/// @dev The id is converted to a uint160 to correspond to a currency address
/// If the upper 12 bytes are not 0, they will be 0-ed out
function mint(address to, uint256 id, uint256 amount) external;
/// @notice Called by the user to move value from ERC6909 balance
/// @param from The address to burn the tokens from
/// @param id The currency address to burn from ERC6909s, as a uint256
/// @param amount The amount of currency to burn
/// @dev The id is converted to a uint160 to correspond to a currency address
/// If the upper 12 bytes are not 0, they will be 0-ed out
function burn(address from, uint256 id, uint256 amount) external;
/// @notice Updates the pools lp fees for the a pool that has enabled dynamic lp fees.
/// @dev A swap fee totaling MAX_SWAP_FEE (100%) makes exact output swaps impossible since the input is entirely consumed by the fee
/// @param key The key of the pool to update dynamic LP fees for
/// @param newDynamicLPFee The new dynamic pool LP fee
function updateDynamicLPFee(PoolKey memory key, uint24 newDynamicLPFee) external;
}
/// @title ISubscriber
/// @notice Interface that a Subscriber contract should implement to receive updates from the v4 position manager
interface ISubscriber {
/// @notice Called when a position subscribes to this subscriber contract
/// @param tokenId the token ID of the position
/// @param data additional data passed in by the caller
function notifySubscribe(uint256 tokenId, bytes memory data) external;
/// @notice Called when a position unsubscribes from the subscriber
/// @dev This call's gas is capped at `unsubscribeGasLimit` (set at deployment)
/// @dev Because of EIP-150, solidity may only allocate 63/64 of gasleft()
/// @param tokenId the token ID of the position
function notifyUnsubscribe(uint256 tokenId) external;
/// @notice Called when a position is burned
/// @param tokenId the token ID of the position
/// @param owner the current owner of the tokenId
/// @param info information about the position
/// @param liquidity the amount of liquidity decreased in the position, may be 0
/// @param feesAccrued the fees accrued by the position if liquidity was decreased
function notifyBurn(uint256 tokenId, address owner, PositionInfo info, uint256 liquidity, BalanceDelta feesAccrued)
external;
/// @notice Called when a position modifies its liquidity or collects fees
/// @param tokenId the token ID of the position
/// @param liquidityChange the change in liquidity on the underlying position
/// @param feesAccrued the fees to be collected from the position as a result of the modifyLiquidity call
/// @dev Note that feesAccrued can be artificially inflated by a malicious user
/// Pools with a single liquidity position can inflate feeGrowthGlobal (and consequently feesAccrued) by donating to themselves;
/// atomically donating and collecting fees within the same unlockCallback may further inflate feeGrowthGlobal/feesAccrued
function notifyModifyLiquidity(uint256 tokenId, int256 liquidityChange, BalanceDelta feesAccrued) external;
}
/// @title SignatureTransfer
/// @notice Handles ERC20 token transfers through signature based actions
/// @dev Requires user's token approval on the Permit2 contract
interface ISignatureTransfer is IEIP712 {
/// @notice Thrown when the requested amount for a transfer is larger than the permissioned amount
/// @param maxAmount The maximum amount a spender can request to transfer
error InvalidAmount(uint256 maxAmount);
/// @notice Thrown when the number of tokens permissioned to a spender does not match the number of tokens being transferred
/// @dev If the spender does not need to transfer the number of tokens permitted, the spender can request amount 0 to be transferred
error LengthMismatch();
/// @notice Emits an event when the owner successfully invalidates an unordered nonce.
event UnorderedNonceInvalidation(address indexed owner, uint256 word, uint256 mask);
/// @notice The token and amount details for a transfer signed in the permit transfer signature
struct TokenPermissions {
// ERC20 token address
address token;
// the maximum amount that can be spent
uint256 amount;
}
/// @notice The signed permit message for a single token transfer
struct PermitTransferFrom {
TokenPermissions permitted;
// a unique value for every token owner's signature to prevent signature replays
uint256 nonce;
// deadline on the permit signature
uint256 deadline;
}
/// @notice Specifies the recipient address and amount for batched transfers.
/// @dev Recipients and amounts correspond to the index of the signed token permissions array.
/// @dev Reverts if the requested amount is greater than the permitted signed amount.
struct SignatureTransferDetails {
// recipient address
address to;
// spender requested amount
uint256 requestedAmount;
}
/// @notice Used to reconstruct the signed permit message for multiple token transfers
/// @dev Do not need to pass in spender address as it is required that it is msg.sender
/// @dev Note that a user still signs over a spender address
struct PermitBatchTransferFrom {
// the tokens and corresponding amounts permitted for a transfer
TokenPermissions[] permitted;
// a unique value for every token owner's signature to prevent signature replays
uint256 nonce;
// deadline on the permit signature
uint256 deadline;
}
/// @notice A map from token owner address and a caller specified word index to a bitmap. Used to set bits in the bitmap to prevent against signature replay protection
/// @dev Uses unordered nonces so that permit messages do not need to be spent in a certain order
/// @dev The mapping is indexed first by the token owner, then by an index specified in the nonce
/// @dev It returns a uint256 bitmap
/// @dev The index, or wordPosition is capped at type(uint248).max
function nonceBitmap(address, uint256) external view returns (uint256);
/// @notice Transfers a token using a signed permit message
/// @dev Reverts if the requested amount is greater than the permitted signed amount
/// @param permit The permit data signed over by the owner
/// @param owner The owner of the tokens to transfer
/// @param transferDetails The spender's requested transfer details for the permitted token
/// @param signature The signature to verify
function permitTransferFrom(
PermitTransferFrom memory permit,
SignatureTransferDetails calldata transferDetails,
address owner,
bytes calldata signature
) external;
/// @notice Transfers a token using a signed permit message
/// @notice Includes extra data provided by the caller to verify signature over
/// @dev The witness type string must follow EIP712 ordering of nested structs and must include the TokenPermissions type definition
/// @dev Reverts if the requested amount is greater than the permitted signed amount
/// @param permit The permit data signed over by the owner
/// @param owner The owner of the tokens to transfer
/// @param transferDetails The spender's requested transfer details for the permitted token
/// @param witness Extra data to include when checking the user signature
/// @param witnessTypeString The EIP-712 type definition for remaining string stub of the typehash
/// @param signature The signature to verify
function permitWitnessTransferFrom(
PermitTransferFrom memory permit,
SignatureTransferDetails calldata transferDetails,
address owner,
bytes32 witness,
string calldata witnessTypeString,
bytes calldata signature
) external;
/// @notice Transfers multiple tokens using a signed permit message
/// @param permit The permit data signed over by the owner
/// @param owner The owner of the tokens to transfer
/// @param transferDetails Specifies the recipient and requested amount for the token transfer
/// @param signature The signature to verify
function permitTransferFrom(
PermitBatchTransferFrom memory permit,
SignatureTransferDetails[] calldata transferDetails,
address owner,
bytes calldata signature
) external;
/// @notice Transfers multiple tokens using a signed permit message
/// @dev The witness type string must follow EIP712 ordering of nested structs and must include the TokenPermissions type definition
/// @notice Includes extra data provided by the caller to verify signature over
/// @param permit The permit data signed over by the owner
/// @param owner The owner of the tokens to transfer
/// @param transferDetails Specifies the recipient and requested amount for the token transfer
/// @param witness Extra data to include when checking the user signature
/// @param witnessTypeString The EIP-712 type definition for remaining string stub of the typehash
/// @param signature The signature to verify
function permitWitnessTransferFrom(
PermitBatchTransferFrom memory permit,
SignatureTransferDetails[] calldata transferDetails,
address owner,
bytes32 witness,
string calldata witnessTypeString,
bytes calldata signature
) external;
/// @notice Invalidates the bits specified in mask for the bitmap at the word position
/// @dev The wordPos is maxed at type(uint248).max
/// @param wordPos A number to index the nonceBitmap at
/// @param mask A bitmap masked against msg.sender's current bitmap at the word position
function invalidateUnorderedNonces(uint256 wordPos, uint256 mask) external;
}
struct PathKey {
Currency intermediateCurrency;
uint24 fee;
int24 tickSpacing;
IHooks hooks;
bytes hookData;
}
using PathKeyLibrary for PathKey global;
/// @title PathKey Library
/// @notice Memory-oriented version of v4-periphery/src/libraries/PathKeyLibrary.sol
/// @dev Handles PathKey operations in memory rather than calldata for router operations
library PathKeyLibrary {
/// @notice Get the pool and swap direction for a given PathKey
/// @param params the given PathKey
/// @param currencyIn the input currency
/// @return poolKey the pool key of the swap
/// @return zeroForOne the direction of the swap, true if currency0 is being swapped for currency1
function getPoolAndSwapDirection(PathKey memory params, Currency currencyIn)
internal
pure
returns (PoolKey memory poolKey, bool zeroForOne)
{
Currency currencyOut = params.intermediateCurrency;
(Currency currency0, Currency currency1) =
currencyIn < currencyOut ? (currencyIn, currencyOut) : (currencyOut, currencyIn);
zeroForOne = currencyIn == currency0;
poolKey = PoolKey(currency0, currency1, params.fee, params.tickSpacing, params.hooks);
}
}
/// @title BitMath
/// @dev This library provides functionality for computing bit properties of an unsigned integer
/// @author Solady[](https://github.com/Vectorized/solady/blob/8200a70e8dc2a77ecb074fc2e99a2a0d36547522/src/utils/LibBit.sol)
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
/// @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);
assembly ("memory-safe") {
r := shl(7, lt(0xffffffffffffffffffffffffffffffff, x))
r := or(r, shl(6, lt(0xffffffffffffffff, shr(r, x))))
r := or(r, shl(5, lt(0xffffffff, shr(r, x))))
r := or(r, shl(4, lt(0xffff, shr(r, x))))
r := or(r, shl(3, lt(0xff, shr(r, x))))
// forgefmt: disable-next-item
r := or(r, byte(and(0x1f, shr(shr(r, x), 0x8421084210842108cc6318c6db6d54be)),
0x0706060506020500060203020504000106050205030304010505030400000000))
}
}
/// @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
/// @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);
assembly ("memory-safe") {
// Isolate the least significant bit.
x := and(x, sub(0, x))
// For the upper 3 bits of the result, use a De Bruijn-like lookup.
// Credit to adhusson: https://blog.adhusson.com/cheap-find-first-set-evm/
// forgefmt: disable-next-item
r := shl(5, shr(252, shl(shl(2, shr(250, mul(x,
0xb6db6db6ddddddddd34d34d349249249210842108c6318c639ce739cffffffff))),
0x8040405543005266443200005020610674053026020000107506200176117077)))
// For the lower 5 bits of the result, use a De Bruijn lookup.
// forgefmt: disable-next-item
r := or(r, byte(and(div(0xd76453e0, shr(r, x)), 0x1f),
0x001f0d1e100c1d070f090b19131c1706010e11080a1a141802121b1503160405))
}
}
}
/// @title Minimal ERC20 interface for Uniswap
/// @notice Contains a subset of the full ERC20 interface that is used in Uniswap V3
interface IERC20Minimal {
/// @notice Returns an account's balance in the token
/// @param account The account for which to look up the number of tokens it has, i.e. its balance
/// @return The number of tokens held by the account
function balanceOf(address account) external view returns (uint256);
/// @notice Transfers the amount of token from the `msg.sender` to the recipient
/// @param recipient The account that will receive the amount transferred
/// @param amount The number of tokens to send from the sender to the recipient
/// @return Returns true for a successful transfer, false for an unsuccessful transfer
function transfer(address recipient, uint256 amount) external returns (bool);
/// @notice Returns the current allowance given to a spender by an owner
/// @param owner The account of the token owner
/// @param spender The account of the token spender
/// @return The current allowance granted by `owner` to `spender`
function allowance(address owner, address spender) external view returns (uint256);
/// @notice Sets the allowance of a spender from the `msg.sender` to the value `amount`
/// @param spender The account which will be allowed to spend a given amount of the owners tokens
/// @param amount The amount of tokens allowed to be used by `spender`
/// @return Returns true for a successful approval, false for unsuccessful
function approve(address spender, uint256 amount) external returns (bool);
/// @notice Transfers `amount` tokens from `sender` to `recipient` up to the allowance given to the `msg.sender`
/// @param sender The account from which the transfer will be initiated
/// @param recipient The recipient of the transfer
/// @param amount The amount of the transfer
/// @return Returns true for a successful transfer, false for unsuccessful
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/// @notice Event emitted when tokens are transferred from one address to another, either via `#transfer` or `#transferFrom`.
/// @param from The account from which the tokens were sent, i.e. the balance decreased
/// @param to The account to which the tokens were sent, i.e. the balance increased
/// @param value The amount of tokens that were transferred
event Transfer(address indexed from, address indexed to, uint256 value);
/// @notice Event emitted when the approval amount for the spender of a given owner's tokens changes.
/// @param owner The account that approved spending of its tokens
/// @param spender The account for which the spending allowance was modified
/// @param value The new allowance from the owner to the spender
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// Return type of the beforeSwap hook.
// Upper 128 bits is the delta in specified tokens. Lower 128 bits is delta in unspecified tokens (to match the afterSwap hook)
type BeforeSwapDelta is int256;
// Creates a BeforeSwapDelta from specified and unspecified
function toBeforeSwapDelta(int128 deltaSpecified, int128 deltaUnspecified)
pure
returns (BeforeSwapDelta beforeSwapDelta)
{
assembly ("memory-safe") {
beforeSwapDelta := or(shl(128, deltaSpecified), and(sub(shl(128, 1), 1), deltaUnspecified))
}
}
/// @notice Library for getting the specified and unspecified deltas from the BeforeSwapDelta type
library BeforeSwapDeltaLibrary {
/// @notice A BeforeSwapDelta of 0
BeforeSwapDelta public constant ZERO_DELTA = BeforeSwapDelta.wrap(0);
/// extracts int128 from the upper 128 bits of the BeforeSwapDelta
/// returned by beforeSwap
function getSpecifiedDelta(BeforeSwapDelta delta) internal pure returns (int128 deltaSpecified) {
assembly ("memory-safe") {
deltaSpecified := sar(128, delta)
}
}
/// extracts int128 from the lower 128 bits of the BeforeSwapDelta
/// returned by beforeSwap and afterSwap
function getUnspecifiedDelta(BeforeSwapDelta delta) internal pure returns (int128 deltaUnspecified) {
assembly ("memory-safe") {
deltaUnspecified := signextend(15, delta)
}
}
}
/// @title IPermit2Forwarder
/// @notice Interface for the Permit2Forwarder contract
interface IPermit2Forwarder {
/// @notice allows forwarding a single permit to permit2
/// @dev this function is payable to allow multicall with NATIVE based actions
/// @param owner the owner of the tokens
/// @param permitSingle the permit data
/// @param signature the signature of the permit; abi.encodePacked(r, s, v)
/// @return err the error returned by a reverting permit call, empty if successful
function permit(address owner, IAllowanceTransfer.PermitSingle calldata permitSingle, bytes calldata signature)
external
payable
returns (bytes memory err);
/// @notice allows forwarding batch permits to permit2
/// @dev this function is payable to allow multicall with NATIVE based actions
/// @param owner the owner of the tokens
/// @param _permitBatch a batch of approvals
/// @param signature the signature of the permit; abi.encodePacked(r, s, v)
/// @return err the error returned by a reverting permit call, empty if successful
function permitBatch(address owner, IAllowanceTransfer.PermitBatch calldata _permitBatch, bytes calldata signature)
external
payable
returns (bytes memory err);
}
/// @title IUnorderedNonce
/// @notice Interface for the UnorderedNonce contract
interface IUnorderedNonce {
error NonceAlreadyUsed();
/// @notice mapping of nonces consumed by each address, where a nonce is a single bit on the 256-bit bitmap
/// @dev word is at most type(uint248).max
function nonces(address owner, uint256 word) external view returns (uint256);
/// @notice Revoke a nonce by spending it, preventing it from being used again
/// @dev Used in cases where a valid nonce has not been broadcasted onchain, and the owner wants to revoke the validity of the nonce
/// @dev payable so it can be multicalled with native-token related actions
function revokeNonce(uint256 nonce) external payable;
}
/// @title IPoolInitializer_v4
/// @notice Interface for the PoolInitializer_v4 contract
interface IPoolInitializer_v4 {
/// @notice Initialize a Uniswap v4 Pool
/// @dev If the pool is already initialized, this function will not revert and just return type(int24).max
/// @param key The PoolKey of the pool to initialize
/// @param sqrtPriceX96 The initial starting price of the pool, expressed as a sqrtPriceX96
/// @return The current tick of the pool, or type(int24).max if the pool creation failed, or the pool already existed
function initializePool(PoolKey calldata key, uint160 sqrtPriceX96) external payable returns (int24);
}
/// @title IMulticall_v4
/// @notice Interface for the Multicall_v4 contract
interface IMulticall_v4 {
/// @notice Call multiple functions in the current contract and return the data from all of them if they all succeed
/// @dev The `msg.value` is passed onto all subcalls, even if a previous subcall has consumed the ether.
/// Subcalls can instead use `address(this).value` to see the available ETH, and consume it using {value: x}.
/// @param data The encoded function data for each of the calls to make to this contract
/// @return results The results from each of the calls passed in via data
function multicall(bytes[] calldata data) external payable returns (bytes[] memory results);
}
/// @title IEIP712_v4
/// @notice Interface for the EIP712 contract
interface IEIP712_v4 {
/// @notice Returns the domain separator for the current chain.
/// @return bytes32 The domain separator
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
/// @title IERC721Permit_v4
/// @notice Interface for the ERC721Permit_v4 contract
interface IERC721Permit_v4 {
error SignatureDeadlineExpired();
error NoSelfPermit();
error Unauthorized();
/// @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 nonce a unique value, for an owner, to prevent replay attacks; an unordered nonce where the top 248 bits correspond to a word and the bottom 8 bits calculate the bit position of the word
/// @param signature Concatenated data from a valid secp256k1 signature from the holder, i.e. abi.encodePacked(r, s, v)
/// @dev payable so it can be multicalled with NATIVE related actions
function permit(address spender, uint256 tokenId, uint256 deadline, uint256 nonce, bytes calldata signature)
external
payable;
/// @notice Set an operator with full permission to an owner's tokens via signature
/// @param owner The address that is setting the operator
/// @param operator The address that will be set as an operator for the owner
/// @param approved The permission to set on the operator
/// @param deadline The deadline timestamp by which the call must be mined for the approve to work
/// @param nonce a unique value, for an owner, to prevent replay attacks; an unordered nonce where the top 248 bits correspond to a word and the bottom 8 bits calculate the bit position of the word
/// @param signature Concatenated data from a valid secp256k1 signature from the holder, i.e. abi.encodePacked(r, s, v)
/// @dev payable so it can be multicalled with NATIVE related actions
function permitForAll(
address owner,
address operator,
bool approved,
uint256 deadline,
uint256 nonce,
bytes calldata signature
) external payable;
}
/// @title IImmutableState
/// @notice Interface for the ImmutableState contract
interface IImmutableState {
/// @notice The Uniswap v4 PoolManager contract
function poolManager() external view returns (IPoolManager);
}
/// @title INotifier
/// @notice Interface for the Notifier contract
interface INotifier {
/// @notice Thrown when unsubscribing without a subscriber
error NotSubscribed();
/// @notice Thrown when a subscriber does not have code
error NoCodeSubscriber();
/// @notice Thrown when a user specifies a gas limit too low to avoid valid unsubscribe notifications
error GasLimitTooLow();
/// @notice Wraps the revert message of the subscriber contract on a reverting subscription
error SubscriptionReverted(address subscriber, bytes reason);
/// @notice Wraps the revert message of the subscriber contract on a reverting modify liquidity notification
error ModifyLiquidityNotificationReverted(address subscriber, bytes reason);
/// @notice Wraps the revert message of the subscriber contract on a reverting burn notification
error BurnNotificationReverted(address subscriber, bytes reason);
/// @notice Thrown when a tokenId already has a subscriber
error AlreadySubscribed(uint256 tokenId, address subscriber);
/// @notice Emitted on a successful call to subscribe
event Subscription(uint256 indexed tokenId, address indexed subscriber);
/// @notice Emitted on a successful call to unsubscribe
event Unsubscription(uint256 indexed tokenId, address indexed subscriber);
/// @notice Returns the subscriber for a respective position
/// @param tokenId the ERC721 tokenId
/// @return subscriber the subscriber contract
function subscriber(uint256 tokenId) external view returns (ISubscriber subscriber);
/// @notice Enables the subscriber to receive notifications for a respective position
/// @param tokenId the ERC721 tokenId
/// @param newSubscriber the address of the subscriber contract
/// @param data caller-provided data that's forwarded to the subscriber contract
/// @dev Calling subscribe when a position is already subscribed will revert
/// @dev payable so it can be multicalled with NATIVE related actions
/// @dev will revert if pool manager is locked
function subscribe(uint256 tokenId, address newSubscriber, bytes calldata data) external payable;
/// @notice Removes the subscriber from receiving notifications for a respective position
/// @param tokenId the ERC721 tokenId
/// @dev Callers must specify a high gas limit (remaining gas should be higher than unsubscriberGasLimit) such that the subscriber can be notified
/// @dev payable so it can be multicalled with NATIVE related actions
/// @dev Must always allow a user to unsubscribe. In the case of a malicious subscriber, a user can always unsubscribe safely, ensuring liquidity is always modifiable.
/// @dev will revert if pool manager is locked
function unsubscribe(uint256 tokenId) external payable;
/// @notice Returns and determines the maximum allowable gas-used for notifying unsubscribe
/// @return uint256 the maximum gas limit when notifying a subscriber's `notifyUnsubscribe` function
function unsubscribeGasLimit() external view returns (uint256);
}
/**
* @dev PositionInfo is a packed version of solidity structure.
* Using the packaged version saves gas and memory by not storing the structure fields in memory slots.
*
* Layout:
* 200 bits poolId | 24 bits tickUpper | 24 bits tickLower | 8 bits hasSubscriber
*
* Fields in the direction from the least significant bit:
*
* A flag to know if the tokenId is subscribed to an address
* uint8 hasSubscriber;
*
* The tickUpper of the position
* int24 tickUpper;
*
* The tickLower of the position
* int24 tickLower;
*
* The truncated poolId. Truncates a bytes32 value so the most signifcant (highest) 200 bits are used.
* bytes25 poolId;
*
* Note: If more bits are needed, hasSubscriber can be a single bit.
*
*/
type PositionInfo is uint256;
using PositionInfoLibrary for PositionInfo global;
library PositionInfoLibrary {
PositionInfo internal constant EMPTY_POSITION_INFO = PositionInfo.wrap(0);
uint256 internal constant MASK_UPPER_200_BITS = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000000000;
uint256 internal constant MASK_8_BITS = 0xFF;
uint24 internal constant MASK_24_BITS = 0xFFFFFF;
uint256 internal constant SET_UNSUBSCRIBE = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00;
uint256 internal constant SET_SUBSCRIBE = 0x01;
uint8 internal constant TICK_LOWER_OFFSET = 8;
uint8 internal constant TICK_UPPER_OFFSET = 32;
/// @dev This poolId is NOT compatible with the poolId used in UniswapV4 core. It is truncated to 25 bytes, and just used to lookup PoolKey in the poolKeys mapping.
function poolId(PositionInfo info) internal pure returns (bytes25 _poolId) {
assembly ("memory-safe") {
_poolId := and(MASK_UPPER_200_BITS, info)
}
}
function tickLower(PositionInfo info) internal pure returns (int24 _tickLower) {
assembly ("memory-safe") {
_tickLower := signextend(2, shr(TICK_LOWER_OFFSET, info))
}
}
function tickUpper(PositionInfo info) internal pure returns (int24 _tickUpper) {
assembly ("memory-safe") {
_tickUpper := signextend(2, shr(TICK_UPPER_OFFSET, info))
}
}
function hasSubscriber(PositionInfo info) internal pure returns (bool _hasSubscriber) {
assembly ("memory-safe") {
_hasSubscriber := and(MASK_8_BITS, info)
}
}
/// @dev this does not actually set any storage
function setSubscribe(PositionInfo info) internal pure returns (PositionInfo _info) {
assembly ("memory-safe") {
_info := or(info, SET_SUBSCRIBE)
}
}
/// @dev this does not actually set any storage
function setUnsubscribe(PositionInfo info) internal pure returns (PositionInfo _info) {
assembly ("memory-safe") {
_info := and(info, SET_UNSUBSCRIBE)
}
}
/// @notice Creates the default PositionInfo struct
/// @dev Called when minting a new position
/// @param _poolKey the pool key of the position
/// @param _tickLower the lower tick of the position
/// @param _tickUpper the upper tick of the position
/// @return info packed position info, with the truncated poolId and the hasSubscriber flag set to false
function initialize(PoolKey memory _poolKey, int24 _tickLower, int24 _tickUpper)
internal
pure
returns (PositionInfo info)
{
bytes25 _poolId = bytes25(PoolId.unwrap(_poolKey.toId()));
assembly {
info :=
or(
or(and(MASK_UPPER_200_BITS, _poolId), shl(TICK_UPPER_OFFSET, and(MASK_24_BITS, _tickUpper))),
shl(TICK_LOWER_OFFSET, and(MASK_24_BITS, _tickLower))
)
}
}
}
interface IUniversalRouter {
/// @notice Thrown when a required command has failed
error ExecutionFailed(uint256 commandIndex, bytes message);
/// @notice Thrown when attempting to send ETH directly to the contract
error ETHNotAccepted();
/// @notice Thrown when executing commands with an expired deadline
error TransactionDeadlinePassed();
/// @notice Thrown when attempting to execute commands and an incorrect number of inputs are provided
error LengthMismatch();
// @notice Thrown when an address that isn't WETH tries to send ETH to the router without calldata
error InvalidEthSender();
/// @notice Executes encoded commands along with provided inputs. Reverts if deadline has expired.
/// @param commands A set of concatenated commands, each 1 byte in length
/// @param inputs An array of byte strings containing abi encoded inputs for each command
/// @param deadline The deadline by which the transaction must be executed
function execute(bytes calldata commands, bytes[] calldata inputs, uint256 deadline) external payable;
}
struct ExactInputSingleParams {
PoolKey poolKey;
bool zeroForOne;
uint128 amountIn;
uint128 amountOutMinimum;
bytes hookData;
}
interface IBoredStrategy {
function loadingLiquidity() external view returns (bool);
function owner() external view returns (address);
function addFees() external payable;
}
interface IBoredStrategyHook {
function feeCooldown() external;
function apesAreAccumulating() external;
}
interface IFeeSplit {
function processDeposit() external payable;
}
struct Offer {
bool isForSale;
uint apeIndex;
address seller;
uint minValue;
address onlySellTo;
}
// ERC-721 minimal & EIP-1271 + ECDSA integration (BAYC compatible)
library ECDSA {
enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV }
function _throwError(RecoverError error) private pure {
if (error == RecoverError.NoError) { return; }
else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); }
else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); }
else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); }
else { revert("ECDSA: invalid signature 'v' value"); }
}
function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
if (signature.length == 65) {
bytes32 r; bytes32 s; uint8 v;
assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) }
return tryRecover(hash, v, r, s);
} else if (signature.length == 64) {
bytes32 r; bytes32 vs;
assembly { r := mload(add(signature, 0x20)) vs := mload(add(signature, 0x40)) }
bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
uint8 v = uint8((uint256(vs) >> 255) + 27);
return tryRecover(hash, v, r, s);
} else { return (address(0), RecoverError.InvalidSignatureLength); }
}
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered;
}
function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {
if (uint256(s) > 0x7fffffffffffffffffffffffffffffff5d576e7357a4501ddfe92f46681b20a0) { return (address(0), RecoverError.InvalidSignatureS); }
if (v != 27 && v != 28) { return (address(0), RecoverError.InvalidSignatureV); }
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); }
return (signer, RecoverError.NoError);
}
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:
32", hash));
}
}
interface IERC1271 {
function isValidSignature(bytes32 hash, bytes memory signature)
external
view
returns (bytes4);
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
interface IValidRouter {
function msgSender() external view returns (address);
}
/// @title Uniswap V4 Swap Router
/// @notice A simple, stateless router for execution of swaps against Uniswap v4 Pools
/// @dev ABI inspired by UniswapV2Router02
interface IUniswapV4Router04 {
/// ================ MULTI POOL SWAPS ================= ///
/// @notice Exact Input Swap; swap the specified amount of input tokens for as many output tokens as possible, along the path
/// @param amountIn the amount of input tokens to swap
/// @param amountOutMin the minimum amount of output tokens that must be received for the transaction not to revert. reverts on equals to
/// @param startCurrency the currency to start the swap from
/// @param path the path of v4 Pools to swap through
/// @param receiver the address to send the output tokens to
/// @param deadline block.timestamp must be before this value, otherwise the transaction will revert
/// @rSubmitted on: 2025-09-18 11:10:23
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