// SPDX-License-Identifier: MIT pragma solidity >=0.4.16 >=0.6.2 >=0.8.4 ^0.8.0 ^0.8.20 ^0.8.24 ^0.8.30; // node_modules/@uniswap/v4-core/src/types/BeforeSwapDelta.sol // 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) } } } // node_modules/@uniswap/v4-core/src/libraries/BitMath.sol /// @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)) } } } // node_modules/@openzeppelin/contracts/utils/Context.sol // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } } // node_modules/@uniswap/v4-core/src/libraries/CustomRevert.sol /// @title Library for reverting with custom errors efficiently /// @notice Contains functions for reverting with custom errors with different argument types efficiently /// @dev To use this library, declare `using CustomRevert for bytes4;` and replace `revert CustomError()` with /// `CustomError.selector.revertWith()` /// @dev The functions may tamper with the free memory pointer but it is fine since the call context is exited immediately library CustomRevert { /// @dev ERC-7751 error for wrapping bubbled up reverts error WrappedError(address target, bytes4 selector, bytes reason, bytes details); /// @dev Reverts with the selector of a custom error in the scratch space function revertWith(bytes4 selector) internal pure { assembly ("memory-safe") { mstore(0, selector) revert(0, 0x04) } } /// @dev Reverts with a custom error with an address argument in the scratch space function revertWith(bytes4 selector, address addr) internal pure { assembly ("memory-safe") { mstore(0, selector) mstore(0x04, and(addr, 0xffffffffffffffffffffffffffffffffffffffff)) revert(0, 0x24) } } /// @dev Reverts with a custom error with an int24 argument in the scratch space function revertWith(bytes4 selector, int24 value) internal pure { assembly ("memory-safe") { mstore(0, selector) mstore(0x04, signextend(2, value)) revert(0, 0x24) } } /// @dev Reverts with a custom error with a uint160 argument in the scratch space function revertWith(bytes4 selector, uint160 value) internal pure { assembly ("memory-safe") { mstore(0, selector) mstore(0x04, and(value, 0xffffffffffffffffffffffffffffffffffffffff)) revert(0, 0x24) } } /// @dev Reverts with a custom error with two int24 arguments function revertWith(bytes4 selector, int24 value1, int24 value2) internal pure { assembly ("memory-safe") { let fmp := mload(0x40) mstore(fmp, selector) mstore(add(fmp, 0x04), signextend(2, value1)) mstore(add(fmp, 0x24), signextend(2, value2)) revert(fmp, 0x44) } } /// @dev Reverts with a custom error with two uint160 arguments function revertWith(bytes4 selector, uint160 value1, uint160 value2) internal pure { assembly ("memory-safe") { let fmp := mload(0x40) mstore(fmp, selector) mstore(add(fmp, 0x04), and(value1, 0xffffffffffffffffffffffffffffffffffffffff)) mstore(add(fmp, 0x24), and(value2, 0xffffffffffffffffffffffffffffffffffffffff)) revert(fmp, 0x44) } } /// @dev Reverts with a custom error with two address arguments function revertWith(bytes4 selector, address value1, address value2) internal pure { assembly ("memory-safe") { let fmp := mload(0x40) mstore(fmp, selector) mstore(add(fmp, 0x04), and(value1, 0xffffffffffffffffffffffffffffffffffffffff)) mstore(add(fmp, 0x24), and(value2, 0xffffffffffffffffffffffffffffffffffffffff)) revert(fmp, 0x44) } } /// @notice bubble up the revert message returned by a call and revert with a wrapped ERC-7751 error /// @dev this method can be vulnerable to revert data bombs function bubbleUpAndRevertWith( address revertingContract, bytes4 revertingFunctionSelector, bytes4 additionalContext ) internal pure { bytes4 wrappedErrorSelector = WrappedError.selector; assembly ("memory-safe") { // Ensure the size of the revert data is a multiple of 32 bytes let encodedDataSize := mul(div(add(returndatasize(), 31), 32), 32) let fmp := mload(0x40) // Encode wrapped error selector, address, function selector, offset, additional context, size, revert reason mstore(fmp, wrappedErrorSelector) mstore(add(fmp, 0x04), and(revertingContract, 0xffffffffffffffffffffffffffffffffffffffff)) mstore( add(fmp, 0x24), and(revertingFunctionSelector, 0xffffffff00000000000000000000000000000000000000000000000000000000) ) // offset revert reason mstore(add(fmp, 0x44), 0x80) // offset additional context mstore(add(fmp, 0x64), add(0xa0, encodedDataSize)) // size revert reason mstore(add(fmp, 0x84), returndatasize()) // revert reason returndatacopy(add(fmp, 0xa4), 0, returndatasize()) // size additional context mstore(add(fmp, add(0xa4, encodedDataSize)), 0x04) // additional context mstore( add(fmp, add(0xc4, encodedDataSize)), and(additionalContext, 0xffffffff00000000000000000000000000000000000000000000000000000000) ) revert(fmp, add(0xe4, encodedDataSize)) } } } // node_modules/@openzeppelin/contracts/utils/cryptography/ECDSA.sol // OpenZeppelin Contracts (last updated v5.6.0) (utils/cryptography/ECDSA.sol) /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS } /** * @dev The signature is invalid. */ error ECDSAInvalidSignature(); /** * @dev The signature has an invalid length. */ error ECDSAInvalidSignatureLength(uint256 length); /** * @dev The signature has an S value that is in the upper half order. */ error ECDSAInvalidSignatureS(bytes32 s); /** * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not * return address(0) without also returning an error description. Errors are documented using an enum (error type) * and a bytes32 providing additional information about the error. * * If no error is returned, then the address can be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * NOTE: This function only supports 65-byte signatures. ERC-2098 short signatures are rejected. This restriction * is DEPRECATED and will be removed in v6.0. Developers SHOULD NOT use signatures as unique identifiers; use hash * invalidation or nonces for replay protection. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. * * Documentation for signature generation: * * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] */ function tryRecover( bytes32 hash, bytes memory signature ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. assembly ("memory-safe") { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length)); } } /** * @dev Variant of {tryRecover} that takes a signature in calldata */ function tryRecoverCalldata( bytes32 hash, bytes calldata signature ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, calldata slices would work here, but are // significantly more expensive (length check) than using calldataload in assembly. assembly ("memory-safe") { r := calldataload(signature.offset) s := calldataload(add(signature.offset, 0x20)) v := byte(0, calldataload(add(signature.offset, 0x40))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length)); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * NOTE: This function only supports 65-byte signatures. ERC-2098 short signatures are rejected. This restriction * is DEPRECATED and will be removed in v6.0. Developers SHOULD NOT use signatures as unique identifiers; use hash * invalidation or nonces for replay protection. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature); _throwError(error, errorArg); return recovered; } /** * @dev Variant of {recover} that takes a signature in calldata */ function recoverCalldata(bytes32 hash, bytes calldata signature) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecoverCalldata(hash, signature); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[ERC-2098 short signatures] */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { unchecked { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); // We do not check for an overflow here since the shift operation results in 0 or 1. uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } } /** * @dev Overload of {ECDSA-recover} that receives the `r` and `vs` short-signature fields separately. */ function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS, s); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature, bytes32(0)); } return (signer, RecoverError.NoError, bytes32(0)); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s); _throwError(error, errorArg); return recovered; } /** * @dev Parse a signature into its `v`, `r` and `s` components. Supports 65-byte and 64-byte (ERC-2098) * formats. Returns (0,0,0) for invalid signatures. * * For 64-byte signatures, `v` is automatically normalized to 27 or 28. * For 65-byte signatures, `v` is returned as-is and MUST already be 27 or 28 for use with ecrecover. * * Consider validating the result before use, or use {tryRecover}/{recover} which perform full validation. */ function parse(bytes memory signature) internal pure returns (uint8 v, bytes32 r, bytes32 s) { assembly ("memory-safe") { // Check the signature length switch mload(signature) // - case 65: r,s,v signature (standard) case 65 { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) case 64 { let vs := mload(add(signature, 0x40)) r := mload(add(signature, 0x20)) s := and(vs, shr(1, not(0))) v := add(shr(255, vs), 27) } default { r := 0 s := 0 v := 0 } } } /** * @dev Variant of {parse} that takes a signature in calldata */ function parseCalldata(bytes calldata signature) internal pure returns (uint8 v, bytes32 r, bytes32 s) { assembly ("memory-safe") { // Check the signature length switch signature.length // - case 65: r,s,v signature (standard) case 65 { r := calldataload(signature.offset) s := calldataload(add(signature.offset, 0x20)) v := byte(0, calldataload(add(signature.offset, 0x40))) } // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) case 64 { let vs := calldataload(add(signature.offset, 0x20)) r := calldataload(signature.offset) s := and(vs, shr(1, not(0))) v := add(shr(255, vs), 27) } default { r := 0 s := 0 v := 0 } } } /** * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided. */ function _throwError(RecoverError error, bytes32 errorArg) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert ECDSAInvalidSignature(); } else if (error == RecoverError.InvalidSignatureLength) { revert ECDSAInvalidSignatureLength(uint256(errorArg)); } else if (error == RecoverError.InvalidSignatureS) { revert ECDSAInvalidSignatureS(errorArg); } } } // node_modules/@uniswap/v4-core/src/libraries/FixedPoint96.sol /// @title FixedPoint96 /// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format) /// @dev Used in SqrtPriceMath.sol library FixedPoint96 { uint8 internal constant RESOLUTION = 96; uint256 internal constant Q96 = 0x1000000000000000000000000; } // node_modules/@uniswap/v4-core/src/libraries/FullMath.sol /// @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) { unchecked { // 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 = a * b; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly ("memory-safe") { let mm := mulmod(a, b, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Make sure the result is less than 2**256. // Also prevents denominator == 0 require(denominator > prod1); // Handle non-overflow cases, 256 by 256 division if (prod1 == 0) { assembly ("memory-safe") { result := div(prod0, denominator) } return result; } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0] // Compute remainder using mulmod uint256 remainder; assembly ("memory-safe") { remainder := mulmod(a, b, denominator) } // Subtract 256 bit number from 512 bit number assembly ("memory-safe") { 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 = (0 - denominator) & denominator; // Divide denominator by power of two assembly ("memory-safe") { denominator := div(denominator, twos) } // Divide [prod1 prod0] by the factors of two assembly ("memory-safe") { 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 ("memory-safe") { 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 preconditions 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) { unchecked { result = mulDiv(a, b, denominator); if (mulmod(a, b, denominator) != 0) { require(++result > 0); } } } } // node_modules/@openzeppelin/contracts/token/ERC20/IERC20.sol // OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol) /** * @dev Interface of the ERC-20 standard as defined in the ERC. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the value of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the value of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves a `value` amount of tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 value) 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 a `value` amount of tokens 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 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the * allowance mechanism. `value` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 value) external returns (bool); } // node_modules/@uniswap/v4-core/src/interfaces/external/IERC20Minimal.sol /// @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); } // node_modules/@openzeppelin/contracts/interfaces/IERC5267.sol // OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC5267.sol) interface IERC5267 { /** * @dev MAY be emitted to signal that the domain could have changed. */ event EIP712DomainChanged(); /** * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712 * signature. */ function eip712Domain() external view returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ); } // node_modules/@uniswap/v4-core/src/interfaces/external/IERC6909Claims.sol /// @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); } // node_modules/@uniswap/v4-core/src/interfaces/IExtsload.sol /// @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); } // node_modules/@uniswap/v4-core/src/interfaces/IExttload.sol /// @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); } // node_modules/@uniswap/v4-core/src/interfaces/callback/IUnlockCallback.sol /// @notice Interface for the callback executed when an address unlocks the pool manager interface IUnlockCallback { /// @notice Called by the pool manager on `msg.sender` when the manager is unlocked /// @param data The data that was passed to the call to unlock /// @return Any data that you want to be returned from the unlock call function unlockCallback(bytes calldata data) external returns (bytes memory); } // node_modules/@openzeppelin/contracts/utils/Panic.sol // OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol) /** * @dev Helper library for emitting standardized panic codes. * * ```solidity * contract Example { * using Panic for uint256; * * // Use any of the declared internal constants * function foo() { Panic.GENERIC.panic(); } * * // Alternatively * function foo() { Panic.panic(Panic.GENERIC); } * } * ``` * * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil]. * * _Available since v5.1._ */ // slither-disable-next-line unused-state library Panic { /// @dev generic / unspecified error uint256 internal constant GENERIC = 0x00; /// @dev used by the assert() builtin uint256 internal constant ASSERT = 0x01; /// @dev arithmetic underflow or overflow uint256 internal constant UNDER_OVERFLOW = 0x11; /// @dev division or modulo by zero uint256 internal constant DIVISION_BY_ZERO = 0x12; /// @dev enum conversion error uint256 internal constant ENUM_CONVERSION_ERROR = 0x21; /// @dev invalid encoding in storage uint256 internal constant STORAGE_ENCODING_ERROR = 0x22; /// @dev empty array pop uint256 internal constant EMPTY_ARRAY_POP = 0x31; /// @dev array out of bounds access uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32; /// @dev resource error (too large allocation or too large array) uint256 internal constant RESOURCE_ERROR = 0x41; /// @dev calling invalid internal function uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51; /// @dev Reverts with a panic code. Recommended to use with /// the internal constants with predefined codes. function panic(uint256 code) internal pure { assembly ("memory-safe") { mstore(0x00, 0x4e487b71) mstore(0x20, code) revert(0x1c, 0x24) } } } // node_modules/@openzeppelin/contracts/utils/math/SafeCast.sol // OpenZeppelin Contracts (last updated v5.6.0) (utils/math/SafeCast.sol) // This file was procedurally generated from scripts/generate/templates/SafeCast.js. /** * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow * checks. * * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can * easily result in undesired exploitation or bugs, since developers usually * assume that overflows raise errors. `SafeCast` restores this intuition by * reverting the transaction when such 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 SafeCast_0 { /** * @dev Value doesn't fit in a uint of `bits` size. */ error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value); /** * @dev An int value doesn't fit in a uint of `bits` size. */ error SafeCastOverflowedIntToUint(int256 value); /** * @dev Value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedIntDowncast(uint8 bits, int256 value); /** * @dev A uint value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedUintToInt(uint256 value); /** * @dev Returns the downcasted uint248 from uint256, reverting on * overflow (when the input is greater than largest uint248). * * Counterpart to Solidity's `uint248` operator. * * Requirements: * * - input must fit into 248 bits */ function toUint248(uint256 value) internal pure returns (uint248) { if (value > type(uint248).max) { revert SafeCastOverflowedUintDowncast(248, value); } return uint248(value); } /** * @dev Returns the downcasted uint240 from uint256, reverting on * overflow (when the input is greater than largest uint240). * * Counterpart to Solidity's `uint240` operator. * * Requirements: * * - input must fit into 240 bits */ function toUint240(uint256 value) internal pure returns (uint240) { if (value > type(uint240).max) { revert SafeCastOverflowedUintDowncast(240, value); } return uint240(value); } /** * @dev Returns the downcasted uint232 from uint256, reverting on * overflow (when the input is greater than largest uint232). * * Counterpart to Solidity's `uint232` operator. * * Requirements: * * - input must fit into 232 bits */ function toUint232(uint256 value) internal pure returns (uint232) { if (value > type(uint232).max) { revert SafeCastOverflowedUintDowncast(232, value); } return uint232(value); } /** * @dev Returns the downcasted uint224 from uint256, reverting on * overflow (when the input is greater than largest uint224). * * Counterpart to Solidity's `uint224` operator. * * Requirements: * * - input must fit into 224 bits */ function toUint224(uint256 value) internal pure returns (uint224) { if (value > type(uint224).max) { revert SafeCastOverflowedUintDowncast(224, value); } return uint224(value); } /** * @dev Returns the downcasted uint216 from uint256, reverting on * overflow (when the input is greater than largest uint216). * * Counterpart to Solidity's `uint216` operator. * * Requirements: * * - input must fit into 216 bits */ function toUint216(uint256 value) internal pure returns (uint216) { if (value > type(uint216).max) { revert SafeCastOverflowedUintDowncast(216, value); } return uint216(value); } /** * @dev Returns the downcasted uint208 from uint256, reverting on * overflow (when the input is greater than largest uint208). * * Counterpart to Solidity's `uint208` operator. * * Requirements: * * - input must fit into 208 bits */ function toUint208(uint256 value) internal pure returns (uint208) { if (value > type(uint208).max) { revert SafeCastOverflowedUintDowncast(208, value); } return uint208(value); } /** * @dev Returns the downcasted uint200 from uint256, reverting on * overflow (when the input is greater than largest uint200). * * Counterpart to Solidity's `uint200` operator. * * Requirements: * * - input must fit into 200 bits */ function toUint200(uint256 value) internal pure returns (uint200) { if (value > type(uint200).max) { revert SafeCastOverflowedUintDowncast(200, value); } return uint200(value); } /** * @dev Returns the downcasted uint192 from uint256, reverting on * overflow (when the input is greater than largest uint192). * * Counterpart to Solidity's `uint192` operator. * * Requirements: * * - input must fit into 192 bits */ function toUint192(uint256 value) internal pure returns (uint192) { if (value > type(uint192).max) { revert SafeCastOverflowedUintDowncast(192, value); } return uint192(value); } /** * @dev Returns the downcasted uint184 from uint256, reverting on * overflow (when the input is greater than largest uint184). * * Counterpart to Solidity's `uint184` operator. * * Requirements: * * - input must fit into 184 bits */ function toUint184(uint256 value) internal pure returns (uint184) { if (value > type(uint184).max) { revert SafeCastOverflowedUintDowncast(184, value); } return uint184(value); } /** * @dev Returns the downcasted uint176 from uint256, reverting on * overflow (when the input is greater than largest uint176). * * Counterpart to Solidity's `uint176` operator. * * Requirements: * * - input must fit into 176 bits */ function toUint176(uint256 value) internal pure returns (uint176) { if (value > type(uint176).max) { revert SafeCastOverflowedUintDowncast(176, value); } return uint176(value); } /** * @dev Returns the downcasted uint168 from uint256, reverting on * overflow (when the input is greater than largest uint168). * * Counterpart to Solidity's `uint168` operator. * * Requirements: * * - input must fit into 168 bits */ function toUint168(uint256 value) internal pure returns (uint168) { if (value > type(uint168).max) { revert SafeCastOverflowedUintDowncast(168, value); } return uint168(value); } /** * @dev Returns the downcasted uint160 from uint256, reverting on * overflow (when the input is greater than largest uint160). * * Counterpart to Solidity's `uint160` operator. * * Requirements: * * - input must fit into 160 bits */ function toUint160(uint256 value) internal pure returns (uint160) { if (value > type(uint160).max) { revert SafeCastOverflowedUintDowncast(160, value); } return uint160(value); } /** * @dev Returns the downcasted uint152 from uint256, reverting on * overflow (when the input is greater than largest uint152). * * Counterpart to Solidity's `uint152` operator. * * Requirements: * * - input must fit into 152 bits */ function toUint152(uint256 value) internal pure returns (uint152) { if (value > type(uint152).max) { revert SafeCastOverflowedUintDowncast(152, value); } return uint152(value); } /** * @dev Returns the downcasted uint144 from uint256, reverting on * overflow (when the input is greater than largest uint144). * * Counterpart to Solidity's `uint144` operator. * * Requirements: * * - input must fit into 144 bits */ function toUint144(uint256 value) internal pure returns (uint144) { if (value > type(uint144).max) { revert SafeCastOverflowedUintDowncast(144, value); } return uint144(value); } /** * @dev Returns the downcasted uint136 from uint256, reverting on * overflow (when the input is greater than largest uint136). * * Counterpart to Solidity's `uint136` operator. * * Requirements: * * - input must fit into 136 bits */ function toUint136(uint256 value) internal pure returns (uint136) { if (value > type(uint136).max) { revert SafeCastOverflowedUintDowncast(136, value); } return uint136(value); } /** * @dev Returns the downcasted uint128 from uint256, reverting on * overflow (when the input is greater than largest uint128). * * Counterpart to Solidity's `uint128` operator. * * Requirements: * * - input must fit into 128 bits */ function toUint128(uint256 value) internal pure returns (uint128) { if (value > type(uint128).max) { revert SafeCastOverflowedUintDowncast(128, value); } return uint128(value); } /** * @dev Returns the downcasted uint120 from uint256, reverting on * overflow (when the input is greater than largest uint120). * * Counterpart to Solidity's `uint120` operator. * * Requirements: * * - input must fit into 120 bits */ function toUint120(uint256 value) internal pure returns (uint120) { if (value > type(uint120).max) { revert SafeCastOverflowedUintDowncast(120, value); } return uint120(value); } /** * @dev Returns the downcasted uint112 from uint256, reverting on * overflow (when the input is greater than largest uint112). * * Counterpart to Solidity's `uint112` operator. * * Requirements: * * - input must fit into 112 bits */ function toUint112(uint256 value) internal pure returns (uint112) { if (value > type(uint112).max) { revert SafeCastOverflowedUintDowncast(112, value); } return uint112(value); } /** * @dev Returns the downcasted uint104 from uint256, reverting on * overflow (when the input is greater than largest uint104). * * Counterpart to Solidity's `uint104` operator. * * Requirements: * * - input must fit into 104 bits */ function toUint104(uint256 value) internal pure returns (uint104) { if (value > type(uint104).max) { revert SafeCastOverflowedUintDowncast(104, value); } return uint104(value); } /** * @dev Returns the downcasted uint96 from uint256, reverting on * overflow (when the input is greater than largest uint96). * * Counterpart to Solidity's `uint96` operator. * * Requirements: * * - input must fit into 96 bits */ function toUint96(uint256 value) internal pure returns (uint96) { if (value > type(uint96).max) { revert SafeCastOverflowedUintDowncast(96, value); } return uint96(value); } /** * @dev Returns the downcasted uint88 from uint256, reverting on * overflow (when the input is greater than largest uint88). * * Counterpart to Solidity's `uint88` operator. * * Requirements: * * - input must fit into 88 bits */ function toUint88(uint256 value) internal pure returns (uint88) { if (value > type(uint88).max) { revert SafeCastOverflowedUintDowncast(88, value); } return uint88(value); } /** * @dev Returns the downcasted uint80 from uint256, reverting on * overflow (when the input is greater than largest uint80). * * Counterpart to Solidity's `uint80` operator. * * Requirements: * * - input must fit into 80 bits */ function toUint80(uint256 value) internal pure returns (uint80) { if (value > type(uint80).max) { revert SafeCastOverflowedUintDowncast(80, value); } return uint80(value); } /** * @dev Returns the downcasted uint72 from uint256, reverting on * overflow (when the input is greater than largest uint72). * * Counterpart to Solidity's `uint72` operator. * * Requirements: * * - input must fit into 72 bits */ function toUint72(uint256 value) internal pure returns (uint72) { if (value > type(uint72).max) { revert SafeCastOverflowedUintDowncast(72, value); } return uint72(value); } /** * @dev Returns the downcasted uint64 from uint256, reverting on * overflow (when the input is greater than largest uint64). * * Counterpart to Solidity's `uint64` operator. * * Requirements: * * - input must fit into 64 bits */ function toUint64(uint256 value) internal pure returns (uint64) { if (value > type(uint64).max) { revert SafeCastOverflowedUintDowncast(64, value); } return uint64(value); } /** * @dev Returns the downcasted uint56 from uint256, reverting on * overflow (when the input is greater than largest uint56). * * Counterpart to Solidity's `uint56` operator. * * Requirements: * * - input must fit into 56 bits */ function toUint56(uint256 value) internal pure returns (uint56) { if (value > type(uint56).max) { revert SafeCastOverflowedUintDowncast(56, value); } return uint56(value); } /** * @dev Returns the downcasted uint48 from uint256, reverting on * overflow (when the input is greater than largest uint48). * * Counterpart to Solidity's `uint48` operator. * * Requirements: * * - input must fit into 48 bits */ function toUint48(uint256 value) internal pure returns (uint48) { if (value > type(uint48).max) { revert SafeCastOverflowedUintDowncast(48, value); } return uint48(value); } /** * @dev Returns the downcasted uint40 from uint256, reverting on * overflow (when the input is greater than largest uint40). * * Counterpart to Solidity's `uint40` operator. * * Requirements: * * - input must fit into 40 bits */ function toUint40(uint256 value) internal pure returns (uint40) { if (value > type(uint40).max) { revert SafeCastOverflowedUintDowncast(40, value); } return uint40(value); } /** * @dev Returns the downcasted uint32 from uint256, reverting on * overflow (when the input is greater than largest uint32). * * Counterpart to Solidity's `uint32` operator. * * Requirements: * * - input must fit into 32 bits */ function toUint32(uint256 value) internal pure returns (uint32) { if (value > type(uint32).max) { revert SafeCastOverflowedUintDowncast(32, value); } return uint32(value); } /** * @dev Returns the downcasted uint24 from uint256, reverting on * overflow (when the input is greater than largest uint24). * * Counterpart to Solidity's `uint24` operator. * * Requirements: * * - input must fit into 24 bits */ function toUint24(uint256 value) internal pure returns (uint24) { if (value > type(uint24).max) { revert SafeCastOverflowedUintDowncast(24, value); } return uint24(value); } /** * @dev Returns the downcasted uint16 from uint256, reverting on * overflow (when the input is greater than largest uint16). * * Counterpart to Solidity's `uint16` operator. * * Requirements: * * - input must fit into 16 bits */ function toUint16(uint256 value) internal pure returns (uint16) { if (value > type(uint16).max) { revert SafeCastOverflowedUintDowncast(16, value); } return uint16(value); } /** * @dev Returns the downcasted uint8 from uint256, reverting on * overflow (when the input is greater than largest uint8). * * Counterpart to Solidity's `uint8` operator. * * Requirements: * * - input must fit into 8 bits */ function toUint8(uint256 value) internal pure returns (uint8) { if (value > type(uint8).max) { revert SafeCastOverflowedUintDowncast(8, value); } return uint8(value); } /** * @dev Converts a signed int256 into an unsigned uint256. * * Requirements: * * - input must be greater than or equal to 0. */ function toUint256(int256 value) internal pure returns (uint256) { if (value < 0) { revert SafeCastOverflowedIntToUint(value); } return uint256(value); } /** * @dev Returns the downcasted int248 from int256, reverting on * overflow (when the input is less than smallest int248 or * greater than largest int248). * * Counterpart to Solidity's `int248` operator. * * Requirements: * * - input must fit into 248 bits */ function toInt248(int256 value) internal pure returns (int248 downcasted) { downcasted = int248(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(248, value); } } /** * @dev Returns the downcasted int240 from int256, reverting on * overflow (when the input is less than smallest int240 or * greater than largest int240). * * Counterpart to Solidity's `int240` operator. * * Requirements: * * - input must fit into 240 bits */ function toInt240(int256 value) internal pure returns (int240 downcasted) { downcasted = int240(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(240, value); } } /** * @dev Returns the downcasted int232 from int256, reverting on * overflow (when the input is less than smallest int232 or * greater than largest int232). * * Counterpart to Solidity's `int232` operator. * * Requirements: * * - input must fit into 232 bits */ function toInt232(int256 value) internal pure returns (int232 downcasted) { downcasted = int232(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(232, value); } } /** * @dev Returns the downcasted int224 from int256, reverting on * overflow (when the input is less than smallest int224 or * greater than largest int224). * * Counterpart to Solidity's `int224` operator. * * Requirements: * * - input must fit into 224 bits */ function toInt224(int256 value) internal pure returns (int224 downcasted) { downcasted = int224(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(224, value); } } /** * @dev Returns the downcasted int216 from int256, reverting on * overflow (when the input is less than smallest int216 or * greater than largest int216). * * Counterpart to Solidity's `int216` operator. * * Requirements: * * - input must fit into 216 bits */ function toInt216(int256 value) internal pure returns (int216 downcasted) { downcasted = int216(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(216, value); } } /** * @dev Returns the downcasted int208 from int256, reverting on * overflow (when the input is less than smallest int208 or * greater than largest int208). * * Counterpart to Solidity's `int208` operator. * * Requirements: * * - input must fit into 208 bits */ function toInt208(int256 value) internal pure returns (int208 downcasted) { downcasted = int208(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(208, value); } } /** * @dev Returns the downcasted int200 from int256, reverting on * overflow (when the input is less than smallest int200 or * greater than largest int200). * * Counterpart to Solidity's `int200` operator. * * Requirements: * * - input must fit into 200 bits */ function toInt200(int256 value) internal pure returns (int200 downcasted) { downcasted = int200(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(200, value); } } /** * @dev Returns the downcasted int192 from int256, reverting on * overflow (when the input is less than smallest int192 or * greater than largest int192). * * Counterpart to Solidity's `int192` operator. * * Requirements: * * - input must fit into 192 bits */ function toInt192(int256 value) internal pure returns (int192 downcasted) { downcasted = int192(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(192, value); } } /** * @dev Returns the downcasted int184 from int256, reverting on * overflow (when the input is less than smallest int184 or * greater than largest int184). * * Counterpart to Solidity's `int184` operator. * * Requirements: * * - input must fit into 184 bits */ function toInt184(int256 value) internal pure returns (int184 downcasted) { downcasted = int184(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(184, value); } } /** * @dev Returns the downcasted int176 from int256, reverting on * overflow (when the input is less than smallest int176 or * greater than largest int176). * * Counterpart to Solidity's `int176` operator. * * Requirements: * * - input must fit into 176 bits */ function toInt176(int256 value) internal pure returns (int176 downcasted) { downcasted = int176(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(176, value); } } /** * @dev Returns the downcasted int168 from int256, reverting on * overflow (when the input is less than smallest int168 or * greater than largest int168). * * Counterpart to Solidity's `int168` operator. * * Requirements: * * - input must fit into 168 bits */ function toInt168(int256 value) internal pure returns (int168 downcasted) { downcasted = int168(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(168, value); } } /** * @dev Returns the downcasted int160 from int256, reverting on * overflow (when the input is less than smallest int160 or * greater than largest int160). * * Counterpart to Solidity's `int160` operator. * * Requirements: * * - input must fit into 160 bits */ function toInt160(int256 value) internal pure returns (int160 downcasted) { downcasted = int160(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(160, value); } } /** * @dev Returns the downcasted int152 from int256, reverting on * overflow (when the input is less than smallest int152 or * greater than largest int152). * * Counterpart to Solidity's `int152` operator. * * Requirements: * * - input must fit into 152 bits */ function toInt152(int256 value) internal pure returns (int152 downcasted) { downcasted = int152(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(152, value); } } /** * @dev Returns the downcasted int144 from int256, reverting on * overflow (when the input is less than smallest int144 or * greater than largest int144). * * Counterpart to Solidity's `int144` operator. * * Requirements: * * - input must fit into 144 bits */ function toInt144(int256 value) internal pure returns (int144 downcasted) { downcasted = int144(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(144, value); } } /** * @dev Returns the downcasted int136 from int256, reverting on * overflow (when the input is less than smallest int136 or * greater than largest int136). * * Counterpart to Solidity's `int136` operator. * * Requirements: * * - input must fit into 136 bits */ function toInt136(int256 value) internal pure returns (int136 downcasted) { downcasted = int136(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(136, value); } } /** * @dev Returns the downcasted int128 from int256, reverting on * overflow (when the input is less than smallest int128 or * greater than largest int128). * * Counterpart to Solidity's `int128` operator. * * Requirements: * * - input must fit into 128 bits */ function toInt128(int256 value) internal pure returns (int128 downcasted) { downcasted = int128(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(128, value); } } /** * @dev Returns the downcasted int120 from int256, reverting on * overflow (when the input is less than smallest int120 or * greater than largest int120). * * Counterpart to Solidity's `int120` operator. * * Requirements: * * - input must fit into 120 bits */ function toInt120(int256 value) internal pure returns (int120 downcasted) { downcasted = int120(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(120, value); } } /** * @dev Returns the downcasted int112 from int256, reverting on * overflow (when the input is less than smallest int112 or * greater than largest int112). * * Counterpart to Solidity's `int112` operator. * * Requirements: * * - input must fit into 112 bits */ function toInt112(int256 value) internal pure returns (int112 downcasted) { downcasted = int112(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(112, value); } } /** * @dev Returns the downcasted int104 from int256, reverting on * overflow (when the input is less than smallest int104 or * greater than largest int104). * * Counterpart to Solidity's `int104` operator. * * Requirements: * * - input must fit into 104 bits */ function toInt104(int256 value) internal pure returns (int104 downcasted) { downcasted = int104(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(104, value); } } /** * @dev Returns the downcasted int96 from int256, reverting on * overflow (when the input is less than smallest int96 or * greater than largest int96). * * Counterpart to Solidity's `int96` operator. * * Requirements: * * - input must fit into 96 bits */ function toInt96(int256 value) internal pure returns (int96 downcasted) { downcasted = int96(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(96, value); } } /** * @dev Returns the downcasted int88 from int256, reverting on * overflow (when the input is less than smallest int88 or * greater than largest int88). * * Counterpart to Solidity's `int88` operator. * * Requirements: * * - input must fit into 88 bits */ function toInt88(int256 value) internal pure returns (int88 downcasted) { downcasted = int88(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(88, value); } } /** * @dev Returns the downcasted int80 from int256, reverting on * overflow (when the input is less than smallest int80 or * greater than largest int80). * * Counterpart to Solidity's `int80` operator. * * Requirements: * * - input must fit into 80 bits */ function toInt80(int256 value) internal pure returns (int80 downcasted) { downcasted = int80(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(80, value); } } /** * @dev Returns the downcasted int72 from int256, reverting on * overflow (when the input is less than smallest int72 or * greater than largest int72). * * Counterpart to Solidity's `int72` operator. * * Requirements: * * - input must fit into 72 bits */ function toInt72(int256 value) internal pure returns (int72 downcasted) { downcasted = int72(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(72, value); } } /** * @dev Returns the downcasted int64 from int256, reverting on * overflow (when the input is less than smallest int64 or * greater than largest int64). * * Counterpart to Solidity's `int64` operator. * * Requirements: * * - input must fit into 64 bits */ function toInt64(int256 value) internal pure returns (int64 downcasted) { downcasted = int64(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(64, value); } } /** * @dev Returns the downcasted int56 from int256, reverting on * overflow (when the input is less than smallest int56 or * greater than largest int56). * * Counterpart to Solidity's `int56` operator. * * Requirements: * * - input must fit into 56 bits */ function toInt56(int256 value) internal pure returns (int56 downcasted) { downcasted = int56(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(56, value); } } /** * @dev Returns the downcasted int48 from int256, reverting on * overflow (when the input is less than smallest int48 or * greater than largest int48). * * Counterpart to Solidity's `int48` operator. * * Requirements: * * - input must fit into 48 bits */ function toInt48(int256 value) internal pure returns (int48 downcasted) { downcasted = int48(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(48, value); } } /** * @dev Returns the downcasted int40 from int256, reverting on * overflow (when the input is less than smallest int40 or * greater than largest int40). * * Counterpart to Solidity's `int40` operator. * * Requirements: * * - input must fit into 40 bits */ function toInt40(int256 value) internal pure returns (int40 downcasted) { downcasted = int40(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(40, value); } } /** * @dev Returns the downcasted int32 from int256, reverting on * overflow (when the input is less than smallest int32 or * greater than largest int32). * * Counterpart to Solidity's `int32` operator. * * Requirements: * * - input must fit into 32 bits */ function toInt32(int256 value) internal pure returns (int32 downcasted) { downcasted = int32(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(32, value); } } /** * @dev Returns the downcasted int24 from int256, reverting on * overflow (when the input is less than smallest int24 or * greater than largest int24). * * Counterpart to Solidity's `int24` operator. * * Requirements: * * - input must fit into 24 bits */ function toInt24(int256 value) internal pure returns (int24 downcasted) { downcasted = int24(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(24, value); } } /** * @dev Returns the downcasted int16 from int256, reverting on * overflow (when the input is less than smallest int16 or * greater than largest int16). * * Counterpart to Solidity's `int16` operator. * * Requirements: * * - input must fit into 16 bits */ function toInt16(int256 value) internal pure returns (int16 downcasted) { downcasted = int16(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(16, value); } } /** * @dev Returns the downcasted int8 from int256, reverting on * overflow (when the input is less than smallest int8 or * greater than largest int8). * * Counterpart to Solidity's `int8` operator. * * Requirements: * * - input must fit into 8 bits */ function toInt8(int256 value) internal pure returns (int8 downcasted) { downcasted = int8(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(8, value); } } /** * @dev Converts an unsigned uint256 into a signed int256. * * Requirements: * * - input must be less than or equal to maxInt256. */ function toInt256(uint256 value) internal pure returns (int256) { // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive if (value > uint256(type(int256).max)) { revert SafeCastOverflowedUintToInt(value); } return int256(value); } /** * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump. */ function toUint(bool b) internal pure returns (uint256 u) { assembly ("memory-safe") { u := iszero(iszero(b)) } } } // node_modules/@openzeppelin/contracts/utils/StorageSlot.sol // OpenZeppelin Contracts (last updated v5.1.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC-1967 implementation slot: * ```solidity * contract ERC1967 { * // Define the slot. Alternatively, use the SlotDerivation library to derive the slot. * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(newImplementation.code.length > 0); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * TIP: Consider using this library along with {SlotDerivation}. */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct Int256Slot { int256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Int256Slot` with member `value` located at `slot`. */ function getInt256Slot(bytes32 slot) internal pure returns (Int256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } /** * @dev Returns a `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } } // node_modules/@openzeppelin/contracts/interfaces/draft-IERC6093.sol // OpenZeppelin Contracts (last updated v5.5.0) (interfaces/draft-IERC6093.sol) /** * @dev Standard ERC-20 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens. */ interface IERC20Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC20InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC20InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers. * @param spender Address that may be allowed to operate on tokens without being their owner. * @param allowance Amount of tokens a `spender` is allowed to operate with. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC20InvalidApprover(address approver); /** * @dev Indicates a failure with the `spender` to be approved. Used in approvals. * @param spender Address that may be allowed to operate on tokens without being their owner. */ error ERC20InvalidSpender(address spender); } /** * @dev Standard ERC-721 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens. */ interface IERC721Errors { /** * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-721. * Used in balance queries. * @param owner Address of the current owner of a token. */ error ERC721InvalidOwner(address owner); /** * @dev Indicates a `tokenId` whose `owner` is the zero address. * @param tokenId Identifier number of a token. */ error ERC721NonexistentToken(uint256 tokenId); /** * @dev Indicates an error related to the ownership over a particular token. Used in transfers. * @param sender Address whose tokens are being transferred. * @param tokenId Identifier number of a token. * @param owner Address of the current owner of a token. */ error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC721InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC721InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param tokenId Identifier number of a token. */ error ERC721InsufficientApproval(address operator, uint256 tokenId); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC721InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC721InvalidOperator(address operator); } /** * @dev Standard ERC-1155 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens. */ interface IERC1155Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. * @param tokenId Identifier number of a token. */ error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC1155InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC1155InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param owner Address of the current owner of a token. */ error ERC1155MissingApprovalForAll(address operator, address owner); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC1155InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC1155InvalidOperator(address operator); /** * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation. * Used in batch transfers. * @param idsLength Length of the array of token identifiers * @param valuesLength Length of the array of token amounts */ error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength); } // node_modules/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol // OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/extensions/IERC20Metadata.sol) /** * @dev Interface for the optional metadata functions from the ERC-20 standard. */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); } // node_modules/@openzeppelin/contracts/access/Ownable.sol // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is set to the address provided by the deployer. This can * later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } } // node_modules/@openzeppelin/contracts/utils/ReentrancyGuard.sol // OpenZeppelin Contracts (last updated v5.5.0) (utils/ReentrancyGuard.sol) /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at, * consider using {ReentrancyGuardTransient} instead. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. * * IMPORTANT: Deprecated. This storage-based reentrancy guard will be removed and replaced * by the {ReentrancyGuardTransient} variant in v6.0. * * @custom:stateless */ abstract contract ReentrancyGuard { using StorageSlot for bytes32; // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ReentrancyGuard")) - 1)) & ~bytes32(uint256(0xff)) bytes32 private constant REENTRANCY_GUARD_STORAGE = 0x9b779b17422d0df92223018b32b4d1fa46e071723d6817e2486d003becc55f00; // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant NOT_ENTERED = 1; uint256 private constant ENTERED = 2; /** * @dev Unauthorized reentrant call. */ error ReentrancyGuardReentrantCall(); constructor() { _reentrancyGuardStorageSlot().getUint256Slot().value = NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { _nonReentrantBefore(); _; _nonReentrantAfter(); } /** * @dev A `view` only version of {nonReentrant}. Use to block view functions * from being called, preventing reading from inconsistent contract state. * * CAUTION: This is a "view" modifier and does not change the reentrancy * status. Use it only on view functions. For payable or non-payable functions, * use the standard {nonReentrant} modifier instead. */ modifier nonReentrantView() { _nonReentrantBeforeView(); _; } function _nonReentrantBeforeView() private view { if (_reentrancyGuardEntered()) { revert ReentrancyGuardReentrantCall(); } } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be NOT_ENTERED _nonReentrantBeforeView(); // Any calls to nonReentrant after this point will fail _reentrancyGuardStorageSlot().getUint256Slot().value = ENTERED; } function _nonReentrantAfter() private { // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _reentrancyGuardStorageSlot().getUint256Slot().value = NOT_ENTERED; } /** * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a * `nonReentrant` function in the call stack. */ function _reentrancyGuardEntered() internal view returns (bool) { return _reentrancyGuardStorageSlot().getUint256Slot().value == ENTERED; } function _reentrancyGuardStorageSlot() internal pure virtual returns (bytes32) { return REENTRANCY_GUARD_STORAGE; } } // node_modules/@uniswap/v4-core/src/libraries/SafeCast.sol /// @title Safe casting methods /// @notice Contains methods for safely casting between types library SafeCast_1 { 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)); } } // node_modules/@openzeppelin/contracts/utils/ShortStrings.sol // OpenZeppelin Contracts (last updated v5.5.0) (utils/ShortStrings.sol) // | string | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA | // | length | 0x BB | type ShortString is bytes32; /** * @dev This library provides functions to convert short memory strings * into a `ShortString` type that can be used as an immutable variable. * * Strings of arbitrary length can be optimized using this library if * they are short enough (up to 31 bytes) by packing them with their * length (1 byte) in a single EVM word (32 bytes). Additionally, a * fallback mechanism can be used for every other case. * * Usage example: * * ```solidity * contract Named { * using ShortStrings for *; * * ShortString private immutable _name; * string private _nameFallback; * * constructor(string memory contractName) { * _name = contractName.toShortStringWithFallback(_nameFallback); * } * * function name() external view returns (string memory) { * return _name.toStringWithFallback(_nameFallback); * } * } * ``` */ library ShortStrings { // Used as an identifier for strings longer than 31 bytes. bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF; error StringTooLong(string str); error InvalidShortString(); /** * @dev Encode a string of at most 31 chars into a `ShortString`. * * This will trigger a `StringTooLong` error is the input string is too long. */ function toShortString(string memory str) internal pure returns (ShortString) { bytes memory bstr = bytes(str); if (bstr.length > 0x1f) { revert StringTooLong(str); } return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length)); } /** * @dev Decode a `ShortString` back to a "normal" string. */ function toString(ShortString sstr) internal pure returns (string memory) { uint256 len = byteLength(sstr); // using `new string(len)` would work locally but is not memory safe. string memory str = new string(0x20); assembly ("memory-safe") { mstore(str, len) mstore(add(str, 0x20), sstr) } return str; } /** * @dev Return the length of a `ShortString`. */ function byteLength(ShortString sstr) internal pure returns (uint256) { uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF; if (result > 0x1f) { revert InvalidShortString(); } return result; } /** * @dev Encode a string into a `ShortString`, or write it to storage if it is too long. */ function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) { if (bytes(value).length < 0x20) { return toShortString(value); } else { StorageSlot.getStringSlot(store).value = value; return ShortString.wrap(FALLBACK_SENTINEL); } } /** * @dev Decode a string that was encoded to `ShortString` or written to storage using {toShortStringWithFallback}. */ function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) { if (ShortString.unwrap(value) != FALLBACK_SENTINEL) { return toString(value); } else { return store; } } /** * @dev Return the length of a string that was encoded to `ShortString` or written to storage using * {toShortStringWithFallback}. * * WARNING: This will return the "byte length" of the string. This may not reflect the actual length in terms of * actual characters as the UTF-8 encoding of a single character can span over multiple bytes. */ function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) { if (ShortString.unwrap(value) != FALLBACK_SENTINEL) { return byteLength(value); } else { return bytes(store).length; } } } // node_modules/@openzeppelin/contracts/utils/math/SignedMath.sol // OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SignedMath.sol) /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant. * * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone. * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute * one branch when needed, making this function more expensive. */ function ternary(bool condition, int256 a, int256 b) internal pure returns (int256) { unchecked { // branchless ternary works because: // b ^ (a ^ b) == a // b ^ 0 == b return b ^ ((a ^ b) * int256(SafeCast_0.toUint(condition))); } } /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return ternary(a > b, a, b); } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return ternary(a < b, a, b); } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // Formula from the "Bit Twiddling Hacks" by Sean Eron Anderson. // Since `n` is a signed integer, the generated bytecode will use the SAR opcode to perform the right shift, // taking advantage of the most significant (or "sign" bit) in two's complement representation. // This opcode adds new most significant bits set to the value of the previous most significant bit. As a result, // the mask will either be `bytes32(0)` (if n is positive) or `~bytes32(0)` (if n is negative). int256 mask = n >> 255; // A `bytes32(0)` mask leaves the input unchanged, while a `~bytes32(0)` mask complements it. return uint256((n + mask) ^ mask); } } } // node_modules/@uniswap/v4-core/src/types/BalanceDelta.sol /// @dev Two `int128` values packed into a single `int256` where the upper 128 bits represent the amount0 /// and the lower 128 bits represent the amount1. type BalanceDelta is int256; using {add as +, sub as -, eq as ==, neq as !=} for BalanceDelta global; using BalanceDeltaLibrary for BalanceDelta global; using SafeCast_1 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) { int256 res0; int256 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.toInt128(), res1.toInt128()); } function sub(BalanceDelta a, BalanceDelta b) pure returns (BalanceDelta) { int256 res0; int256 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.toInt128(), res1.toInt128()); } 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); } /// @notice Library for getting the amount0 and amount1 deltas from the BalanceDelta type library BalanceDeltaLibrary { /// @notice A BalanceDelta of 0 BalanceDelta public constant ZERO_DELTA = BalanceDelta.wrap(0); function amount0(BalanceDelta balanceDelta) internal pure returns (int128 _amount0) { assembly ("memory-safe") { _amount0 := sar(128, balanceDelta) } } function amount1(BalanceDelta balanceDelta) internal pure returns (int128 _amount1) { assembly ("memory-safe") { _amount1 := signextend(15, balanceDelta) } } } // node_modules/@uniswap/v4-core/src/types/Currency.sol type Currency is address; using {greaterThan as >, lessThan as <, greaterThanOrEqualTo as >=, equals as ==} for Currency global; using CurrencyLibrary for Currency global; function equals(Currency currency, Currency other) pure returns (bool) { return Currency.unwrap(currency) == Currency.unwrap(other); } function greaterThan(Currency currency, Currency other) pure returns (bool) { return Currency.unwrap(currency) > Currency.unwrap(other); } 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); } /// @title CurrencyLibrary /// @dev This library allows for transferring and holding native tokens and ERC20 tokens library CurrencyLibrary { /// @notice Additional context for ERC-7751 wrapped error when a native transfer fails error NativeTransferFailed(); /// @notice Additional context for ERC-7751 wrapped error when an ERC20 transfer fails error ERC20TransferFailed(); /// @notice A constant to represent the native currency Currency public constant ADDRESS_ZERO = Currency.wrap(address(0)); function transfer(Currency currency, address to, uint256 amount) internal { // altered from https://github.com/transmissions11/solmate/blob/44a9963d4c78111f77caa0e65d677b8b46d6f2e6/src/utils/SafeTransferLib.sol // modified custom error selectors bool success; if (currency.isAddressZero()) { assembly ("memory-safe") { // Transfer the ETH and revert if it fails. success := call(gas(), to, amount, 0, 0, 0, 0) } // revert with NativeTransferFailed, containing the bubbled up error as an argument if (!success) { CustomRevert.bubbleUpAndRevertWith(to, bytes4(0), NativeTransferFailed.selector); } } else { assembly ("memory-safe") { // Get a pointer to some free memory. let fmp := mload(0x40) // Write the abi-encoded calldata into memory, beginning with the function selector. mstore(fmp, 0xa9059cbb00000000000000000000000000000000000000000000000000000000) mstore(add(fmp, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the "to" argument. mstore(add(fmp, 36), amount) // Append the "amount" argument. Masking not required as it's a full 32 byte type. success := and( // Set success to whether the call reverted, if not we check it either // returned exactly 1 (can't just be non-zero data), or had no return data. or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())), // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2. // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space. // Counterintuitively, this call must be positioned second to the or() call in the // surrounding and() call or else returndatasize() will be zero during the computation. call(gas(), currency, 0, fmp, 68, 0, 32) ) // Now clean the memory we used mstore(fmp, 0) // 4 byte `selector` and 28 bytes of `to` were stored here mstore(add(fmp, 0x20), 0) // 4 bytes of `to` and 28 bytes of `amount` were stored here mstore(add(fmp, 0x40), 0) // 4 bytes of `amount` were stored here } // revert with ERC20TransferFailed, containing the bubbled up error as an argument if (!success) { CustomRevert.bubbleUpAndRevertWith( Currency.unwrap(currency), IERC20Minimal.transfer.selector, ERC20TransferFailed.selector ); } } } function balanceOfSelf(Currency currency) internal view returns (uint256) { if (currency.isAddressZero()) { return address(this).balance; } else { return IERC20Minimal(Currency.unwrap(currency)).balanceOf(address(this)); } } function balanceOf(Currency currency, address owner) internal view returns (uint256) { if (currency.isAddressZero()) { return owner.balance; } else { return IERC20Minimal(Currency.unwrap(currency)).balanceOf(owner); } } function isAddressZero(Currency currency) internal pure returns (bool) { return Currency.unwrap(currency) == Currency.unwrap(ADDRESS_ZERO); } function toId(Currency currency) internal pure returns (uint256) { return uint160(Currency.unwrap(currency)); } // If the upper 12 bytes are non-zero, they will be zero-ed out // Therefore, fromId() and toId() are not inverses of each other function fromId(uint256 id) internal pure returns (Currency) { return Currency.wrap(address(uint160(id))); } } // node_modules/@openzeppelin/contracts/utils/math/Math.sol // OpenZeppelin Contracts (last updated v5.6.0) (utils/math/Math.sol) /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Return the 512-bit addition of two uint256. * * The result is stored in two 256 variables such that sum = high * 2²⁵⁶ + low. */ function add512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) { assembly ("memory-safe") { low := add(a, b) high := lt(low, a) } } /** * @dev Return the 512-bit multiplication of two uint256. * * The result is stored in two 256 variables such that product = high * 2²⁵⁶ + low. */ function mul512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) { // 512-bit multiply [high low] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = high * 2²⁵⁶ + low. assembly ("memory-safe") { let mm := mulmod(a, b, not(0)) low := mul(a, b) high := sub(sub(mm, low), lt(mm, low)) } } /** * @dev Returns the addition of two unsigned integers, with a success flag (no overflow). */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { uint256 c = a + b; success = c >= a; result = c * SafeCast_0.toUint(success); } } /** * @dev Returns the subtraction of two unsigned integers, with a success flag (no overflow). */ function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { uint256 c = a - b; success = c <= a; result = c * SafeCast_0.toUint(success); } } /** * @dev Returns the multiplication of two unsigned integers, with a success flag (no overflow). */ function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { uint256 c = a * b; assembly ("memory-safe") { // Only true when the multiplication doesn't overflow // (c / a == b) || (a == 0) success := or(eq(div(c, a), b), iszero(a)) } // equivalent to: success ? c : 0 result = c * SafeCast_0.toUint(success); } } /** * @dev Returns the division of two unsigned integers, with a success flag (no division by zero). */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { success = b > 0; assembly ("memory-safe") { // The `DIV` opcode returns zero when the denominator is 0. result := div(a, b) } } } /** * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero). */ function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { success = b > 0; assembly ("memory-safe") { // The `MOD` opcode returns zero when the denominator is 0. result := mod(a, b) } } } /** * @dev Unsigned saturating addition, bounds to `2²⁵⁶ - 1` instead of overflowing. */ function saturatingAdd(uint256 a, uint256 b) internal pure returns (uint256) { (bool success, uint256 result) = tryAdd(a, b); return ternary(success, result, type(uint256).max); } /** * @dev Unsigned saturating subtraction, bounds to zero instead of overflowing. */ function saturatingSub(uint256 a, uint256 b) internal pure returns (uint256) { (, uint256 result) = trySub(a, b); return result; } /** * @dev Unsigned saturating multiplication, bounds to `2²⁵⁶ - 1` instead of overflowing. */ function saturatingMul(uint256 a, uint256 b) internal pure returns (uint256) { (bool success, uint256 result) = tryMul(a, b); return ternary(success, result, type(uint256).max); } /** * @dev Branchless ternary evaluation for `condition ? a : b`. Gas costs are constant. * * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone. * However, the compiler may optimize Solidity ternary operations (i.e. `condition ? a : b`) to only compute * one branch when needed, making this function more expensive. */ function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) { unchecked { // branchless ternary works because: // b ^ (a ^ b) == a // b ^ 0 == b return b ^ ((a ^ b) * SafeCast_0.toUint(condition)); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return ternary(a > b, a, b); } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return ternary(a < b, a, b); } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { unchecked { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. Panic.panic(Panic.DIVISION_BY_ZERO); } // The following calculation ensures accurate ceiling division without overflow. // Since a is non-zero, (a - 1) / b will not overflow. // The largest possible result occurs when (a - 1) / b is type(uint256).max, // but the largest value we can obtain is type(uint256).max - 1, which happens // when a = type(uint256).max and b = 1. unchecked { return SafeCast_0.toUint(a > 0) * ((a - 1) / b + 1); } } /** * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { (uint256 high, uint256 low) = mul512(x, y); // Handle non-overflow cases, 256 by 256 division. if (high == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return low / denominator; } // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0. if (denominator <= high) { Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW)); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [high low]. uint256 remainder; assembly ("memory-safe") { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. high := sub(high, gt(remainder, low)) low := sub(low, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly ("memory-safe") { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [high low] by twos. low := div(low, twos) // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from high into low. low |= high * twos; // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv ≡ 1 mod 2⁴. uint256 inverse = (3 * denominator) ^ 2; // Use the 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. inverse *= 2 - denominator * inverse; // inverse mod 2⁸ inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶ inverse *= 2 - denominator * inverse; // inverse mod 2³² inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴ inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸ inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶ // 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 2²⁵⁶. Since the preconditions guarantee that the outcome is // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and high // is no longer required. result = low * inverse; return result; } } /** * @dev Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { return mulDiv(x, y, denominator) + SafeCast_0.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0); } /** * @dev Calculates floor(x * y >> n) with full precision. Throws if result overflows a uint256. */ function mulShr(uint256 x, uint256 y, uint8 n) internal pure returns (uint256 result) { unchecked { (uint256 high, uint256 low) = mul512(x, y); if (high >= 1 << n) { Panic.panic(Panic.UNDER_OVERFLOW); } return (high << (256 - n)) | (low >> n); } } /** * @dev Calculates x * y >> n with full precision, following the selected rounding direction. */ function mulShr(uint256 x, uint256 y, uint8 n, Rounding rounding) internal pure returns (uint256) { return mulShr(x, y, n) + SafeCast_0.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, 1 << n) > 0); } /** * @dev Calculate the modular multiplicative inverse of a number in Z/nZ. * * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0. * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible. * * If the input value is not inversible, 0 is returned. * * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the * inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}. */ function invMod(uint256 a, uint256 n) internal pure returns (uint256) { unchecked { if (n == 0) return 0; // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version) // Used to compute integers x and y such that: ax + ny = gcd(a, n). // When the gcd is 1, then the inverse of a modulo n exists and it's x. // ax + ny = 1 // ax = 1 + (-y)n // ax ≡ 1 (mod n) # x is the inverse of a modulo n // If the remainder is 0 the gcd is n right away. uint256 remainder = a % n; uint256 gcd = n; // Therefore the initial coefficients are: // ax + ny = gcd(a, n) = n // 0a + 1n = n int256 x = 0; int256 y = 1; while (remainder != 0) { uint256 quotient = gcd / remainder; (gcd, remainder) = ( // The old remainder is the next gcd to try. remainder, // Compute the next remainder. // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd // where gcd is at most n (capped to type(uint256).max) gcd - remainder * quotient ); (x, y) = ( // Increment the coefficient of a. y, // Decrement the coefficient of n. // Can overflow, but the result is casted to uint256 so that the // next value of y is "wrapped around" to a value between 0 and n - 1. x - y * int256(quotient) ); } if (gcd != 1) return 0; // No inverse exists. return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative. } } /** * @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`. * * From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is * prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that * `a**(p-2)` is the modular multiplicative inverse of a in Fp. * * NOTE: this function does NOT check that `p` is a prime greater than `2`. */ function invModPrime(uint256 a, uint256 p) internal view returns (uint256) { unchecked { return Math.modExp(a, p - 2, p); } } /** * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m) * * Requirements: * - modulus can't be zero * - underlying staticcall to precompile must succeed * * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make * sure the chain you're using it on supports the precompiled contract for modular exponentiation * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, * the underlying function will succeed given the lack of a revert, but the result may be incorrectly * interpreted as 0. */ function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) { (bool success, uint256 result) = tryModExp(b, e, m); if (!success) { Panic.panic(Panic.DIVISION_BY_ZERO); } return result; } /** * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m). * It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying * to operate modulo 0 or if the underlying precompile reverted. * * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack * of a revert, but the result may be incorrectly interpreted as 0. */ function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) { if (m == 0) return (false, 0); assembly ("memory-safe") { let ptr := mload(0x40) // | Offset | Content | Content (Hex) | // |-----------|------------|--------------------------------------------------------------------| // | 0x00:0x1f | size of b | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x20:0x3f | size of e | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x40:0x5f | size of m | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x60:0x7f | value of b | 0x<.............................................................b> | // | 0x80:0x9f | value of e | 0x<.............................................................e> | // | 0xa0:0xbf | value of m | 0x<.............................................................m> | mstore(ptr, 0x20) mstore(add(ptr, 0x20), 0x20) mstore(add(ptr, 0x40), 0x20) mstore(add(ptr, 0x60), b) mstore(add(ptr, 0x80), e) mstore(add(ptr, 0xa0), m) // Given the result < m, it's guaranteed to fit in 32 bytes, // so we can use the memory scratch space located at offset 0. success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20) result := mload(0x00) } } /** * @dev Variant of {modExp} that supports inputs of arbitrary length. */ function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) { (bool success, bytes memory result) = tryModExp(b, e, m); if (!success) { Panic.panic(Panic.DIVISION_BY_ZERO); } return result; } /** * @dev Variant of {tryModExp} that supports inputs of arbitrary length. */ function tryModExp( bytes memory b, bytes memory e, bytes memory m ) internal view returns (bool success, bytes memory result) { if (_zeroBytes(m)) return (false, new bytes(0)); uint256 mLen = m.length; // Encode call args in result and move the free memory pointer result = abi.encodePacked(b.length, e.length, mLen, b, e, m); assembly ("memory-safe") { let dataPtr := add(result, 0x20) // Write result on top of args to avoid allocating extra memory. success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen) // Overwrite the length. // result.length > returndatasize() is guaranteed because returndatasize() == m.length mstore(result, mLen) // Set the memory pointer after the returned data. mstore(0x40, add(dataPtr, mLen)) } } /** * @dev Returns whether the provided byte array is zero. */ function _zeroBytes(bytes memory buffer) private pure returns (bool) { uint256 chunk; for (uint256 i = 0; i < buffer.length; i += 0x20) { // See _unsafeReadBytesOffset from utils/Bytes.sol assembly ("memory-safe") { chunk := mload(add(add(buffer, 0x20), i)) } if (chunk >> (8 * saturatingSub(i + 0x20, buffer.length)) != 0) { return false; } } return true; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * This method is based on Newton's method for computing square roots; the algorithm is restricted to only * using integer operations. */ function sqrt(uint256 a) internal pure returns (uint256) { unchecked { // Take care of easy edge cases when a == 0 or a == 1 if (a <= 1) { return a; } // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between // the current value as `ε_n = | x_n - sqrt(a) |`. // // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is // bigger than any uint256. // // By noticing that // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)` // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar // to the msb function. uint256 aa = a; uint256 xn = 1; if (aa >= (1 << 128)) { aa >>= 128; xn <<= 64; } if (aa >= (1 << 64)) { aa >>= 64; xn <<= 32; } if (aa >= (1 << 32)) { aa >>= 32; xn <<= 16; } if (aa >= (1 << 16)) { aa >>= 16; xn <<= 8; } if (aa >= (1 << 8)) { aa >>= 8; xn <<= 4; } if (aa >= (1 << 4)) { aa >>= 4; xn <<= 2; } if (aa >= (1 << 2)) { xn <<= 1; } // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1). // // We can refine our estimation by noticing that the middle of that interval minimizes the error. // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2). // This is going to be our x_0 (and ε_0) xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2) // From here, Newton's method give us: // x_{n+1} = (x_n + a / x_n) / 2 // // One should note that: // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a // = ((x_n² + a) / (2 * x_n))² - a // = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a // = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²) // = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²) // = (x_n² - a)² / (2 * x_n)² // = ((x_n² - a) / (2 * x_n))² // ≥ 0 // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n // // This gives us the proof of quadratic convergence of the sequence: // ε_{n+1} = | x_{n+1} - sqrt(a) | // = | (x_n + a / x_n) / 2 - sqrt(a) | // = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) | // = | (x_n - sqrt(a))² / (2 * x_n) | // = | ε_n² / (2 * x_n) | // = ε_n² / | (2 * x_n) | // // For the first iteration, we have a special case where x_0 is known: // ε_1 = ε_0² / | (2 * x_0) | // ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2))) // ≤ 2**(2*e-4) / (3 * 2**(e-1)) // ≤ 2**(e-3) / 3 // ≤ 2**(e-3-log2(3)) // ≤ 2**(e-4.5) // // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n: // ε_{n+1} = ε_n² / | (2 * x_n) | // ≤ (2**(e-k))² / (2 * 2**(e-1)) // ≤ 2**(2*e-2*k) / 2**e // ≤ 2**(e-2*k) xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5) -- special case, see above xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9) -- general case with k = 4.5 xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18) -- general case with k = 9 xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36) -- general case with k = 18 xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72) -- general case with k = 36 xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144) -- general case with k = 72 // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either // sqrt(a) or sqrt(a) + 1. return xn - SafeCast_0.toUint(xn > a / xn); } } /** * @dev Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + SafeCast_0.toUint(unsignedRoundsUp(rounding) && result * result < a); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 x) internal pure returns (uint256 r) { // If value has upper 128 bits set, log2 result is at least 128 r = SafeCast_0.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7; // If upper 64 bits of 128-bit half set, add 64 to result r |= SafeCast_0.toUint((x >> r) > 0xffffffffffffffff) << 6; // If upper 32 bits of 64-bit half set, add 32 to result r |= SafeCast_0.toUint((x >> r) > 0xffffffff) << 5; // If upper 16 bits of 32-bit half set, add 16 to result r |= SafeCast_0.toUint((x >> r) > 0xffff) << 4; // If upper 8 bits of 16-bit half set, add 8 to result r |= SafeCast_0.toUint((x >> r) > 0xff) << 3; // If upper 4 bits of 8-bit half set, add 4 to result r |= SafeCast_0.toUint((x >> r) > 0xf) << 2; // Shifts value right by the current result and use it as an index into this lookup table: // // | x (4 bits) | index | table[index] = MSB position | // |------------|---------|-----------------------------| // | 0000 | 0 | table[0] = 0 | // | 0001 | 1 | table[1] = 0 | // | 0010 | 2 | table[2] = 1 | // | 0011 | 3 | table[3] = 1 | // | 0100 | 4 | table[4] = 2 | // | 0101 | 5 | table[5] = 2 | // | 0110 | 6 | table[6] = 2 | // | 0111 | 7 | table[7] = 2 | // | 1000 | 8 | table[8] = 3 | // | 1001 | 9 | table[9] = 3 | // | 1010 | 10 | table[10] = 3 | // | 1011 | 11 | table[11] = 3 | // | 1100 | 12 | table[12] = 3 | // | 1101 | 13 | table[13] = 3 | // | 1110 | 14 | table[14] = 3 | // | 1111 | 15 | table[15] = 3 | // // The lookup table is represented as a 32-byte value with the MSB positions for 0-15 in the first 16 bytes (most significant half). assembly ("memory-safe") { r := or(r, byte(shr(r, x), 0x0000010102020202030303030303030300000000000000000000000000000000)) } } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + SafeCast_0.toUint(unsignedRoundsUp(rounding) && 1 << result < value); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + SafeCast_0.toUint(unsignedRoundsUp(rounding) && 10 ** result < value); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 x) internal pure returns (uint256 r) { // If value has upper 128 bits set, log2 result is at least 128 r = SafeCast_0.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7; // If upper 64 bits of 128-bit half set, add 64 to result r |= SafeCast_0.toUint((x >> r) > 0xffffffffffffffff) << 6; // If upper 32 bits of 64-bit half set, add 32 to result r |= SafeCast_0.toUint((x >> r) > 0xffffffff) << 5; // If upper 16 bits of 32-bit half set, add 16 to result r |= SafeCast_0.toUint((x >> r) > 0xffff) << 4; // Add 1 if upper 8 bits of 16-bit half set, and divide accumulated result by 8 return (r >> 3) | SafeCast_0.toUint((x >> r) > 0xff); } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + SafeCast_0.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } /** * @dev Counts the number of leading zero bits in a uint256. */ function clz(uint256 x) internal pure returns (uint256) { return ternary(x == 0, 256, 255 - log2(x)); } } // node_modules/@openzeppelin/contracts/access/Ownable2Step.sol // OpenZeppelin Contracts (last updated v5.1.0) (access/Ownable2Step.sol) /** * @dev Contract module which provides access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * This extension of the {Ownable} contract includes a two-step mechanism to transfer * ownership, where the new owner must call {acceptOwnership} in order to replace the * old one. This can help prevent common mistakes, such as transfers of ownership to * incorrect accounts, or to contracts that are unable to interact with the * permission system. * * The initial owner is specified at deployment time in the constructor for `Ownable`. This * can later be changed with {transferOwnership} and {acceptOwnership}. * * This module is used through inheritance. It will make available all functions * from parent (Ownable). */ abstract contract Ownable2Step is Ownable { address private _pendingOwner; event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner); /** * @dev Returns the address of the pending owner. */ function pendingOwner() public view virtual returns (address) { return _pendingOwner; } /** * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. * Can only be called by the current owner. * * Setting `newOwner` to the zero address is allowed; this can be used to cancel an initiated ownership transfer. */ function transferOwnership(address newOwner) public virtual override onlyOwner { _pendingOwner = newOwner; emit OwnershipTransferStarted(owner(), newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner. * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual override { delete _pendingOwner; super._transferOwnership(newOwner); } /** * @dev The new owner accepts the ownership transfer. */ function acceptOwnership() public virtual { address sender = _msgSender(); if (pendingOwner() != sender) { revert OwnableUnauthorizedAccount(sender); } _transferOwnership(sender); } } // node_modules/@uniswap/v4-core/src/libraries/TickMath.sol /// @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 { using CustomRevert for bytes4; /// @notice Thrown when the tick passed to #getSqrtPriceAtTick is not between MIN_TICK and MAX_TICK error InvalidTick(int24 tick); /// @notice Thrown when the price passed to #getTickAtSqrtPrice does not correspond to a price between MIN_TICK and MAX_TICK error InvalidSqrtPrice(uint160 sqrtPriceX96); /// @dev The minimum tick that may be passed to #getSqrtPriceAtTick computed from log base 1.0001 of 2**-128 /// @dev If ever MIN_TICK and MAX_TICK are not centered around 0, the absTick logic in getSqrtPriceAtTick cannot be used int24 internal constant MIN_TICK = -887272; /// @dev The maximum tick that may be passed to #getSqrtPriceAtTick computed from log base 1.0001 of 2**128 /// @dev If ever MIN_TICK and MAX_TICK are not centered around 0, the absTick logic in getSqrtPriceAtTick cannot be used int24 internal constant MAX_TICK = 887272; /// @dev The minimum tick spacing value drawn from the range of type int16 that is greater than 0, i.e. min from the range [1, 32767] int24 internal constant MIN_TICK_SPACING = 1; /// @dev The maximum tick spacing value drawn from the range of type int16, i.e. max from the range [1, 32767] int24 internal constant MAX_TICK_SPACING = type(int16).max; /// @dev The minimum value that can be returned from #getSqrtPriceAtTick. Equivalent to getSqrtPriceAtTick(MIN_TICK) uint160 internal constant MIN_SQRT_PRICE = 4295128739; /// @dev The maximum value that can be returned from #getSqrtPriceAtTick. Equivalent to getSqrtPriceAtTick(MAX_TICK) uint160 internal constant MAX_SQRT_PRICE = 1461446703485210103287273052203988822378723970342; /// @dev A threshold used for optimized bounds check, equals `MAX_SQRT_PRICE - MIN_SQRT_PRICE - 1` uint160 internal constant MAX_SQRT_PRICE_MINUS_MIN_SQRT_PRICE_MINUS_ONE = 1461446703485210103287273052203988822378723970342 - 4295128739 - 1; /// @notice Given a tickSpacing, compute the maximum usable tick function maxUsableTick(int24 tickSpacing) internal pure returns (int24) { unchecked { return (MAX_TICK / tickSpacing) * tickSpacing; } } /// @notice Given a tickSpacing, compute the minimum usable tick function minUsableTick(int24 tickSpacing) internal pure returns (int24) { unchecked { return (MIN_TICK / tickSpacing) * tickSpacing; } } /// @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 price of the two assets (currency1/currency0) /// at the given tick function getSqrtPriceAtTick(int24 tick) internal pure returns (uint160 sqrtPriceX96) { unchecked { uint256 absTick; assembly ("memory-safe") { tick := signextend(2, tick) // mask = 0 if tick >= 0 else -1 (all 1s) let mask := sar(255, tick) // if tick >= 0, |tick| = tick = 0 ^ tick // if tick < 0, |tick| = ~~|tick| = ~(-|tick| - 1) = ~(tick - 1) = (-1) ^ (tick - 1) // either way, |tick| = mask ^ (tick + mask) absTick := xor(mask, add(mask, tick)) } if (absTick > uint256(int256(MAX_TICK))) InvalidTick.selector.revertWith(tick); // The tick is decomposed into bits, and for each bit with index i that is set, the product of 1/sqrt(1.0001^(2^i)) // is calculated (using Q128.128). The constants used for this calculation are rounded to the nearest integer // Equivalent to: // price = absTick & 0x1 != 0 ? 0xfffcb933bd6fad37aa2d162d1a594001 : 0x100000000000000000000000000000000; // or price = int(2**128 / sqrt(1.0001)) if (absTick & 0x1) else 1 << 128 uint256 price; assembly ("memory-safe") { price := xor(shl(128, 1), mul(xor(shl(128, 1), 0xfffcb933bd6fad37aa2d162d1a594001), and(absTick, 0x1))) } if (absTick & 0x2 != 0) price = (price * 0xfff97272373d413259a46990580e213a) >> 128; if (absTick & 0x4 != 0) price = (price * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128; if (absTick & 0x8 != 0) price = (price * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128; if (absTick & 0x10 != 0) price = (price * 0xffcb9843d60f6159c9db58835c926644) >> 128; if (absTick & 0x20 != 0) price = (price * 0xff973b41fa98c081472e6896dfb254c0) >> 128; if (absTick & 0x40 != 0) price = (price * 0xff2ea16466c96a3843ec78b326b52861) >> 128; if (absTick & 0x80 != 0) price = (price * 0xfe5dee046a99a2a811c461f1969c3053) >> 128; if (absTick & 0x100 != 0) price = (price * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128; if (absTick & 0x200 != 0) price = (price * 0xf987a7253ac413176f2b074cf7815e54) >> 128; if (absTick & 0x400 != 0) price = (price * 0xf3392b0822b70005940c7a398e4b70f3) >> 128; if (absTick & 0x800 != 0) price = (price * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128; if (absTick & 0x1000 != 0) price = (price * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128; if (absTick & 0x2000 != 0) price = (price * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128; if (absTick & 0x4000 != 0) price = (price * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128; if (absTick & 0x8000 != 0) price = (price * 0x31be135f97d08fd981231505542fcfa6) >> 128; if (absTick & 0x10000 != 0) price = (price * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128; if (absTick & 0x20000 != 0) price = (price * 0x5d6af8dedb81196699c329225ee604) >> 128; if (absTick & 0x40000 != 0) price = (price * 0x2216e584f5fa1ea926041bedfe98) >> 128; if (absTick & 0x80000 != 0) price = (price * 0x48a170391f7dc42444e8fa2) >> 128; assembly ("memory-safe") { // if (tick > 0) price = type(uint256).max / price; if sgt(tick, 0) { price := div(not(0), price) } // 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 getTickAtSqrtPrice of the output price is always consistent // `sub(shl(32, 1), 1)` is `type(uint32).max` // `price + type(uint32).max` will not overflow because `price` fits in 192 bits sqrtPriceX96 := shr(32, add(price, sub(shl(32, 1), 1))) } } } /// @notice Calculates the greatest tick value such that getSqrtPriceAtTick(tick) <= sqrtPriceX96 /// @dev Throws in case sqrtPriceX96 < MIN_SQRT_PRICE, as MIN_SQRT_PRICE is the lowest value getSqrtPriceAtTick may /// ever return. /// @param sqrtPriceX96 The sqrt price for which to compute the tick as a Q64.96 /// @return tick The greatest tick for which the getSqrtPriceAtTick(tick) is less than or equal to the input sqrtPriceX96 function getTickAtSqrtPrice(uint160 sqrtPriceX96) internal pure returns (int24 tick) { unchecked { // Equivalent: if (sqrtPriceX96 < MIN_SQRT_PRICE || sqrtPriceX96 >= MAX_SQRT_PRICE) revert InvalidSqrtPrice(); // second inequality must be >= because the price can never reach the price at the max tick // if sqrtPriceX96 < MIN_SQRT_PRICE, the `sub` underflows and `gt` is true // if sqrtPriceX96 >= MAX_SQRT_PRICE, sqrtPriceX96 - MIN_SQRT_PRICE > MAX_SQRT_PRICE - MIN_SQRT_PRICE - 1 if ((sqrtPriceX96 - MIN_SQRT_PRICE) > MAX_SQRT_PRICE_MINUS_MIN_SQRT_PRICE_MINUS_ONE) { InvalidSqrtPrice.selector.revertWith(sqrtPriceX96); } uint256 price = uint256(sqrtPriceX96) << 32; uint256 r = price; uint256 msb = BitMath.mostSignificantBit(r); if (msb >= 128) r = price >> (msb - 127); else r = price << (127 - msb); int256 log_2 = (int256(msb) - 128) << 64; assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(63, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(62, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(61, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(60, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(59, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(58, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(57, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(56, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(55, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(54, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(53, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(52, f)) r := shr(f, r) } assembly ("memory-safe") { r := shr(127, mul(r, r)) let f := shr(128, r) log_2 := or(log_2, shl(51, f)) r := shr(f, r) } assembly ("memory-safe") { 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; // Q22.128 number // Magic number represents the ceiling of the maximum value of the error when approximating log_sqrt10001(x) int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128); // Magic number represents the minimum value of the error when approximating log_sqrt10001(x), when // sqrtPrice is from the range (2^-64, 2^64). This is safe as MIN_SQRT_PRICE is more than 2^-64. If MIN_SQRT_PRICE // is changed, this may need to be changed too int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128); tick = tickLow == tickHi ? tickLow : getSqrtPriceAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow; } } } // node_modules/@openzeppelin/contracts/utils/Bytes.sol // OpenZeppelin Contracts (last updated v5.6.0) (utils/Bytes.sol) /** * @dev Bytes operations. */ library Bytes { /** * @dev Forward search for `s` in `buffer` * * If `s` is present in the buffer, returns the index of the first instance * * If `s` is not present in the buffer, returns type(uint256).max * * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf[Javascript's `Array.indexOf`] */ function indexOf(bytes memory buffer, bytes1 s) internal pure returns (uint256) { return indexOf(buffer, s, 0); } /** * @dev Forward search for `s` in `buffer` starting at position `pos` * * If `s` is present in the buffer (at or after `pos`), returns the index of the next instance * * If `s` is not present in the buffer (at or after `pos`), returns type(uint256).max * * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf[Javascript's `Array.indexOf`] */ function indexOf(bytes memory buffer, bytes1 s, uint256 pos) internal pure returns (uint256) { uint256 length = buffer.length; for (uint256 i = pos; i < length; ++i) { if (bytes1(_unsafeReadBytesOffset(buffer, i)) == s) { return i; } } return type(uint256).max; } /** * @dev Backward search for `s` in `buffer` * * If `s` is present in the buffer, returns the index of the last instance * * If `s` is not present in the buffer, returns type(uint256).max * * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/lastIndexOf[Javascript's `Array.lastIndexOf`] */ function lastIndexOf(bytes memory buffer, bytes1 s) internal pure returns (uint256) { return lastIndexOf(buffer, s, type(uint256).max); } /** * @dev Backward search for `s` in `buffer` starting at position `pos` * * If `s` is present in the buffer (at or before `pos`), returns the index of the previous instance * * If `s` is not present in the buffer (at or before `pos`), returns type(uint256).max * * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/lastIndexOf[Javascript's `Array.lastIndexOf`] */ function lastIndexOf(bytes memory buffer, bytes1 s, uint256 pos) internal pure returns (uint256) { unchecked { uint256 length = buffer.length; for (uint256 i = Math.min(Math.saturatingAdd(pos, 1), length); i > 0; --i) { if (bytes1(_unsafeReadBytesOffset(buffer, i - 1)) == s) { return i - 1; } } return type(uint256).max; } } /** * @dev Copies the content of `buffer`, from `start` (included) to the end of `buffer` into a new bytes object in * memory. * * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice[Javascript's `Array.slice`] */ function slice(bytes memory buffer, uint256 start) internal pure returns (bytes memory) { return slice(buffer, start, buffer.length); } /** * @dev Copies the content of `buffer`, from `start` (included) to `end` (excluded) into a new bytes object in * memory. The `end` argument is truncated to the length of the `buffer`. * * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice[Javascript's `Array.slice`] */ function slice(bytes memory buffer, uint256 start, uint256 end) internal pure returns (bytes memory) { // sanitize end = Math.min(end, buffer.length); start = Math.min(start, end); // allocate and copy bytes memory result = new bytes(end - start); assembly ("memory-safe") { mcopy(add(result, 0x20), add(add(buffer, 0x20), start), sub(end, start)) } return result; } /** * @dev Moves the content of `buffer`, from `start` (included) to the end of `buffer` to the start of that buffer, * and shrinks the buffer length accordingly, effectively overriding the content of buffer with buffer[start:]. * * NOTE: This function modifies the provided buffer in place. If you need to preserve the original buffer, use {slice} instead */ function splice(bytes memory buffer, uint256 start) internal pure returns (bytes memory) { return splice(buffer, start, buffer.length); } /** * @dev Moves the content of `buffer`, from `start` (included) to `end` (excluded) to the start of that buffer, * and shrinks the buffer length accordingly, effectively overriding the content of buffer with buffer[start:end]. * The `end` argument is truncated to the length of the `buffer`. * * NOTE: This function modifies the provided buffer in place. If you need to preserve the original buffer, use {slice} instead */ function splice(bytes memory buffer, uint256 start, uint256 end) internal pure returns (bytes memory) { // sanitize end = Math.min(end, buffer.length); start = Math.min(start, end); // move and resize assembly ("memory-safe") { mcopy(add(buffer, 0x20), add(add(buffer, 0x20), start), sub(end, start)) mstore(buffer, sub(end, start)) } return buffer; } /** * @dev Replaces bytes in `buffer` starting at `pos` with all bytes from `replacement`. * * Parameters are clamped to valid ranges (i.e. `pos` is clamped to `[0, buffer.length]`). * If `pos >= buffer.length`, no replacement occurs and the buffer is returned unchanged. * * NOTE: This function modifies the provided buffer in place. */ function replace(bytes memory buffer, uint256 pos, bytes memory replacement) internal pure returns (bytes memory) { return replace(buffer, pos, replacement, 0, replacement.length); } /** * @dev Replaces bytes in `buffer` starting at `pos` with bytes from `replacement` starting at `offset`. * Copies at most `length` bytes from `replacement` to `buffer`. * * Parameters are clamped to valid ranges (i.e. `pos` is clamped to `[0, buffer.length]`, `offset` is * clamped to `[0, replacement.length]`, and `length` is clamped to `min(length, replacement.length - offset, * buffer.length - pos))`. If `pos >= buffer.length` or `offset >= replacement.length`, no replacement occurs * and the buffer is returned unchanged. * * NOTE: This function modifies the provided buffer in place. */ function replace( bytes memory buffer, uint256 pos, bytes memory replacement, uint256 offset, uint256 length ) internal pure returns (bytes memory) { // sanitize pos = Math.min(pos, buffer.length); offset = Math.min(offset, replacement.length); length = Math.min(length, Math.min(replacement.length - offset, buffer.length - pos)); // replace assembly ("memory-safe") { mcopy(add(add(buffer, 0x20), pos), add(add(replacement, 0x20), offset), length) } return buffer; } /** * @dev Concatenate an array of bytes into a single bytes object. * * For fixed bytes types, we recommend using the solidity built-in `bytes.concat` or (equivalent) * `abi.encodePacked`. * * NOTE: this could be done in assembly with a single loop that expands starting at the FMP, but that would be * significantly less readable. It might be worth benchmarking the savings of the full-assembly approach. */ function concat(bytes[] memory buffers) internal pure returns (bytes memory) { uint256 length = 0; for (uint256 i = 0; i < buffers.length; ++i) { length += buffers[i].length; } bytes memory result = new bytes(length); uint256 offset = 0x20; for (uint256 i = 0; i < buffers.length; ++i) { bytes memory input = buffers[i]; assembly ("memory-safe") { mcopy(add(result, offset), add(input, 0x20), mload(input)) } unchecked { offset += input.length; } } return result; } /** * @dev Split each byte in `input` into two nibbles (4 bits each) * * Example: hex"01234567" → hex"0001020304050607" */ function toNibbles(bytes memory input) internal pure returns (bytes memory output) { assembly ("memory-safe") { let length := mload(input) output := mload(0x40) mstore(0x40, add(add(output, 0x20), mul(length, 2))) mstore(output, mul(length, 2)) for { let i := 0 } lt(i, length) { i := add(i, 0x10) } { let chunk := shr(128, mload(add(add(input, 0x20), i))) chunk := and( 0x0000000000000000ffffffffffffffff0000000000000000ffffffffffffffff, or(shl(64, chunk), chunk) ) chunk := and( 0x00000000ffffffff00000000ffffffff00000000ffffffff00000000ffffffff, or(shl(32, chunk), chunk) ) chunk := and( 0x0000ffff0000ffff0000ffff0000ffff0000ffff0000ffff0000ffff0000ffff, or(shl(16, chunk), chunk) ) chunk := and( 0x00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff, or(shl(8, chunk), chunk) ) chunk := and( 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f, or(shl(4, chunk), chunk) ) mstore(add(add(output, 0x20), mul(i, 2)), chunk) } } } /** * @dev Returns true if the two byte buffers are equal. */ function equal(bytes memory a, bytes memory b) internal pure returns (bool) { return a.length == b.length && keccak256(a) == keccak256(b); } /** * @dev Reverses the byte order of a bytes32 value, converting between little-endian and big-endian. * Inspired by https://graphics.stanford.edu/~seander/bithacks.html#ReverseParallel[Reverse Parallel] */ function reverseBytes32(bytes32 value) internal pure returns (bytes32) { value = // swap bytes ((value >> 8) & 0x00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF) | ((value & 0x00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF) << 8); value = // swap 2-byte long pairs ((value >> 16) & 0x0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF) | ((value & 0x0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF) << 16); value = // swap 4-byte long pairs ((value >> 32) & 0x00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF) | ((value & 0x00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF) << 32); value = // swap 8-byte long pairs ((value >> 64) & 0x0000000000000000FFFFFFFFFFFFFFFF0000000000000000FFFFFFFFFFFFFFFF) | ((value & 0x0000000000000000FFFFFFFFFFFFFFFF0000000000000000FFFFFFFFFFFFFFFF) << 64); return (value >> 128) | (value << 128); // swap 16-byte long pairs } /// @dev Same as {reverseBytes32} but optimized for 128-bit values. function reverseBytes16(bytes16 value) internal pure returns (bytes16) { value = // swap bytes ((value & 0xFF00FF00FF00FF00FF00FF00FF00FF00) >> 8) | ((value & 0x00FF00FF00FF00FF00FF00FF00FF00FF) << 8); value = // swap 2-byte long pairs ((value & 0xFFFF0000FFFF0000FFFF0000FFFF0000) >> 16) | ((value & 0x0000FFFF0000FFFF0000FFFF0000FFFF) << 16); value = // swap 4-byte long pairs ((value & 0xFFFFFFFF00000000FFFFFFFF00000000) >> 32) | ((value & 0x00000000FFFFFFFF00000000FFFFFFFF) << 32); return (value >> 64) | (value << 64); // swap 8-byte long pairs } /// @dev Same as {reverseBytes32} but optimized for 64-bit values. function reverseBytes8(bytes8 value) internal pure returns (bytes8) { value = ((value & 0xFF00FF00FF00FF00) >> 8) | ((value & 0x00FF00FF00FF00FF) << 8); // swap bytes value = ((value & 0xFFFF0000FFFF0000) >> 16) | ((value & 0x0000FFFF0000FFFF) << 16); // swap 2-byte long pairs return (value >> 32) | (value << 32); // swap 4-byte long pairs } /// @dev Same as {reverseBytes32} but optimized for 32-bit values. function reverseBytes4(bytes4 value) internal pure returns (bytes4) { value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8); // swap bytes return (value >> 16) | (value << 16); // swap 2-byte long pairs } /// @dev Same as {reverseBytes32} but optimized for 16-bit values. function reverseBytes2(bytes2 value) internal pure returns (bytes2) { return (value >> 8) | (value << 8); } /** * @dev Counts the number of leading zero bits a bytes array. Returns `8 * buffer.length` * if the buffer is all zeros. */ function clz(bytes memory buffer) internal pure returns (uint256) { for (uint256 i = 0; i < buffer.length; i += 0x20) { bytes32 chunk = _unsafeReadBytesOffset(buffer, i); if (chunk != bytes32(0)) { return Math.min(8 * i + Math.clz(uint256(chunk)), 8 * buffer.length); } } return 8 * buffer.length; } /** * @dev Reads a bytes32 from a bytes array without bounds checking. * * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the * assembly block as such would prevent some optimizations. */ function _unsafeReadBytesOffset(bytes memory buffer, uint256 offset) private pure returns (bytes32 value) { // This is not memory safe in the general case, but all calls to this private function are within bounds. assembly ("memory-safe") { value := mload(add(add(buffer, 0x20), offset)) } } } // node_modules/@openzeppelin/contracts/token/ERC20/ERC20.sol // OpenZeppelin Contracts (last updated v5.5.0) (token/ERC20/ERC20.sol) /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * * TIP: For a detailed writeup see our guide * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * The default value of {decimals} is 18. To change this, you should override * this function so it returns a different value. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC-20 * applications. */ abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors { mapping(address account => uint256) private _balances; mapping(address account => mapping(address spender => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * Both values are immutable: they can only be set once during construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the default value returned by this function, unless * it's overridden. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual returns (uint8) { return 18; } /// @inheritdoc IERC20 function totalSupply() public view virtual returns (uint256) { return _totalSupply; } /// @inheritdoc IERC20 function balanceOf(address account) public view virtual returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `value`. */ function transfer(address to, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _transfer(owner, to, value); return true; } /// @inheritdoc IERC20 function allowance(address owner, address spender) public view virtual returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, value); return true; } /** * @dev See {IERC20-transferFrom}. * * Skips emitting an {Approval} event indicating an allowance update. This is not * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve]. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `value`. * - the caller must have allowance for ``from``'s tokens of at least * `value`. */ function transferFrom(address from, address to, uint256 value) public virtual returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, value); _transfer(from, to, value); return true; } /** * @dev Moves a `value` amount of tokens from `from` to `to`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * NOTE: This function is not virtual, {_update} should be overridden instead. */ function _transfer(address from, address to, uint256 value) internal { if (from == address(0)) { revert ERC20InvalidSender(address(0)); } if (to == address(0)) { revert ERC20InvalidReceiver(address(0)); } _update(from, to, value); } /** * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from` * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding * this function. * * Emits a {Transfer} event. */ function _update(address from, address to, uint256 value) internal virtual { if (from == address(0)) { // Overflow check required: The rest of the code assumes that totalSupply never overflows _totalSupply += value; } else { uint256 fromBalance = _balances[from]; if (fromBalance < value) { revert ERC20InsufficientBalance(from, fromBalance, value); } unchecked { // Overflow not possible: value <= fromBalance <= totalSupply. _balances[from] = fromBalance - value; } } if (to == address(0)) { unchecked { // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply. _totalSupply -= value; } } else { unchecked { // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256. _balances[to] += value; } } emit Transfer(from, to, value); } /** * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0). * Relies on the `_update` mechanism * * Emits a {Transfer} event with `from` set to the zero address. * * NOTE: This function is not virtual, {_update} should be overridden instead. */ function _mint(address account, uint256 value) internal { if (account == address(0)) { revert ERC20InvalidReceiver(address(0)); } _update(address(0), account, value); } /** * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply. * Relies on the `_update` mechanism. * * Emits a {Transfer} event with `to` set to the zero address. * * NOTE: This function is not virtual, {_update} should be overridden instead */ function _burn(address account, uint256 value) internal { if (account == address(0)) { revert ERC20InvalidSender(address(0)); } _update(account, address(0), value); } /** * @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. * * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument. */ function _approve(address owner, address spender, uint256 value) internal { _approve(owner, spender, value, true); } /** * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event. * * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by * `_spendAllowance` during the `transferFrom` operation sets the flag to false. This saves gas by not emitting any * `Approval` event during `transferFrom` operations. * * Anyone who wishes to continue emitting `Approval` events on the `transferFrom` operation can force the flag to * true using the following override: * * ```solidity * function _approve(address owner, address spender, uint256 value, bool) internal virtual override { * super._approve(owner, spender, value, true); * } * ``` * * Requirements are the same as {_approve}. */ function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual { if (owner == address(0)) { revert ERC20InvalidApprover(address(0)); } if (spender == address(0)) { revert ERC20InvalidSpender(address(0)); } _allowances[owner][spender] = value; if (emitEvent) { emit Approval(owner, spender, value); } } /** * @dev Updates `owner`'s allowance for `spender` based on spent `value`. * * Does not update the allowance value in case of infinite allowance. * Revert if not enough allowance is available. * * Does not emit an {Approval} event. */ function _spendAllowance(address owner, address spender, uint256 value) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance < type(uint256).max) { if (currentAllowance < value) { revert ERC20InsufficientAllowance(spender, currentAllowance, value); } unchecked { _approve(owner, spender, currentAllowance - value, false); } } } } // node_modules/@uniswap/v4-periphery/src/libraries/LiquidityAmounts.sol /// @notice Provides functions for computing liquidity amounts from token amounts and prices library LiquidityAmounts { using SafeCast_1 for uint256; /// @notice Computes the amount of liquidity received for a given amount of token0 and price range /// @dev Calculates amount0 * (sqrt(upper) * sqrt(lower)) / (sqrt(upper) - sqrt(lower)) /// @param sqrtPriceAX96 A sqrt price representing the first tick boundary /// @param sqrtPriceBX96 A sqrt price representing the second tick boundary /// @param amount0 The amount0 being sent in /// @return liquidity The amount of returned liquidity function getLiquidityForAmount0(uint160 sqrtPriceAX96, uint160 sqrtPriceBX96, uint256 amount0) internal pure returns (uint128 liquidity) { unchecked { if (sqrtPriceAX96 > sqrtPriceBX96) (sqrtPriceAX96, sqrtPriceBX96) = (sqrtPriceBX96, sqrtPriceAX96); uint256 intermediate = FullMath.mulDiv(sqrtPriceAX96, sqrtPriceBX96, FixedPoint96.Q96); return FullMath.mulDiv(amount0, intermediate, sqrtPriceBX96 - sqrtPriceAX96).toUint128(); } } /// @notice Computes the amount of liquidity received for a given amount of token1 and price range /// @dev Calculates amount1 / (sqrt(upper) - sqrt(lower)). /// @param sqrtPriceAX96 A sqrt price representing the first tick boundary /// @param sqrtPriceBX96 A sqrt price representing the second tick boundary /// @param amount1 The amount1 being sent in /// @return liquidity The amount of returned liquidity function getLiquidityForAmount1(uint160 sqrtPriceAX96, uint160 sqrtPriceBX96, uint256 amount1) internal pure returns (uint128 liquidity) { unchecked { if (sqrtPriceAX96 > sqrtPriceBX96) (sqrtPriceAX96, sqrtPriceBX96) = (sqrtPriceBX96, sqrtPriceAX96); return FullMath.mulDiv(amount1, FixedPoint96.Q96, sqrtPriceBX96 - sqrtPriceAX96).toUint128(); } } /// @notice Computes the maximum amount of liquidity received for a given amount of token0, token1, the current /// pool prices and the prices at the tick boundaries /// @param sqrtPriceX96 A sqrt price representing the current pool prices /// @param sqrtPriceAX96 A sqrt price representing the first tick boundary /// @param sqrtPriceBX96 A sqrt price representing the second tick boundary /// @param amount0 The amount of token0 being sent in /// @param amount1 The amount of token1 being sent in /// @return liquidity The maximum amount of liquidity received function getLiquidityForAmounts( uint160 sqrtPriceX96, uint160 sqrtPriceAX96, uint160 sqrtPriceBX96, uint256 amount0, uint256 amount1 ) internal pure returns (uint128 liquidity) { if (sqrtPriceAX96 > sqrtPriceBX96) (sqrtPriceAX96, sqrtPriceBX96) = (sqrtPriceBX96, sqrtPriceAX96); if (sqrtPriceX96 <= sqrtPriceAX96) { liquidity = getLiquidityForAmount0(sqrtPriceAX96, sqrtPriceBX96, amount0); } else if (sqrtPriceX96 < sqrtPriceBX96) { uint128 liquidity0 = getLiquidityForAmount0(sqrtPriceX96, sqrtPriceBX96, amount0); uint128 liquidity1 = getLiquidityForAmount1(sqrtPriceAX96, sqrtPriceX96, amount1); liquidity = liquidity0 < liquidity1 ? liquidity0 : liquidity1; } else { liquidity = getLiquidityForAmount1(sqrtPriceAX96, sqrtPriceBX96, amount1); } } } // node_modules/@openzeppelin/contracts/utils/Strings.sol // OpenZeppelin Contracts (last updated v5.6.0) (utils/Strings.sol) /** * @dev String operations. */ library Strings { using SafeCast_0 for *; bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; uint256 private constant SPECIAL_CHARS_LOOKUP = 0xffffffff | // first 32 bits corresponding to the control characters (U+0000 to U+001F) (1 << 0x22) | // double quote (1 << 0x5c); // backslash /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @dev The string being parsed contains characters that are not in scope of the given base. */ error StringsInvalidChar(); /** * @dev The string being parsed is not a properly formatted address. */ error StringsInvalidAddressFormat(); /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; assembly ("memory-safe") { ptr := add(add(buffer, 0x20), length) } while (true) { ptr--; assembly ("memory-safe") { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { uint256 localValue = value; 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] = HEX_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal * representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH); } /** * @dev Converts an `address` with fixed length of 20 bytes to its checksummed ASCII `string` hexadecimal * representation, according to EIP-55. */ function toChecksumHexString(address addr) internal pure returns (string memory) { bytes memory buffer = bytes(toHexString(addr)); // hash the hex part of buffer (skip length + 2 bytes, length 40) uint256 hashValue; assembly ("memory-safe") { hashValue := shr(96, keccak256(add(buffer, 0x22), 40)) } for (uint256 i = 41; i > 1; --i) { // possible values for buffer[i] are 48 (0) to 57 (9) and 97 (a) to 102 (f) if (hashValue & 0xf > 7 && uint8(buffer[i]) > 96) { // case shift by xoring with 0x20 buffer[i] ^= 0x20; } hashValue >>= 4; } return string(buffer); } /** * @dev Converts a `bytes` buffer to its ASCII `string` hexadecimal representation. */ function toHexString(bytes memory input) internal pure returns (string memory) { unchecked { bytes memory buffer = new bytes(2 * input.length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 0; i < input.length; ++i) { uint8 v = uint8(input[i]); buffer[2 * i + 2] = HEX_DIGITS[v >> 4]; buffer[2 * i + 3] = HEX_DIGITS[v & 0xf]; } return string(buffer); } } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return Bytes.equal(bytes(a), bytes(b)); } /** * @dev Parse a decimal string and returns the value as a `uint256`. * * Requirements: * - The string must be formatted as `[0-9]*` * - The result must fit into an `uint256` type */ function parseUint(string memory input) internal pure returns (uint256) { return parseUint(input, 0, bytes(input).length); } /** * @dev Variant of {parseUint-string} that parses a substring of `input` located between position `begin` (included) and * `end` (excluded). * * Requirements: * - The substring must be formatted as `[0-9]*` * - The result must fit into an `uint256` type */ function parseUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) { (bool success, uint256 value) = tryParseUint(input, begin, end); if (!success) revert StringsInvalidChar(); return value; } /** * @dev Variant of {parseUint-string} that returns false if the parsing fails because of an invalid character. * * NOTE: This function will revert if the result does not fit in a `uint256`. */ function tryParseUint(string memory input) internal pure returns (bool success, uint256 value) { return _tryParseUintUncheckedBounds(input, 0, bytes(input).length); } /** * @dev Variant of {parseUint-string-uint256-uint256} that returns false if the parsing fails because of an invalid * character. * * NOTE: This function will revert if the result does not fit in a `uint256`. */ function tryParseUint( string memory input, uint256 begin, uint256 end ) internal pure returns (bool success, uint256 value) { if (end > bytes(input).length || begin > end) return (false, 0); return _tryParseUintUncheckedBounds(input, begin, end); } /** * @dev Implementation of {tryParseUint-string-uint256-uint256} that does not check bounds. Caller should make sure that * `begin <= end <= input.length`. Other inputs would result in undefined behavior. */ function _tryParseUintUncheckedBounds( string memory input, uint256 begin, uint256 end ) private pure returns (bool success, uint256 value) { bytes memory buffer = bytes(input); uint256 result = 0; for (uint256 i = begin; i < end; ++i) { uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i))); if (chr > 9) return (false, 0); result *= 10; result += chr; } return (true, result); } /** * @dev Parse a decimal string and returns the value as a `int256`. * * Requirements: * - The string must be formatted as `[-+]?[0-9]*` * - The result must fit in an `int256` type. */ function parseInt(string memory input) internal pure returns (int256) { return parseInt(input, 0, bytes(input).length); } /** * @dev Variant of {parseInt-string} that parses a substring of `input` located between position `begin` (included) and * `end` (excluded). * * Requirements: * - The substring must be formatted as `[-+]?[0-9]*` * - The result must fit in an `int256` type. */ function parseInt(string memory input, uint256 begin, uint256 end) internal pure returns (int256) { (bool success, int256 value) = tryParseInt(input, begin, end); if (!success) revert StringsInvalidChar(); return value; } /** * @dev Variant of {parseInt-string} that returns false if the parsing fails because of an invalid character or if * the result does not fit in a `int256`. * * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`. */ function tryParseInt(string memory input) internal pure returns (bool success, int256 value) { return _tryParseIntUncheckedBounds(input, 0, bytes(input).length); } uint256 private constant ABS_MIN_INT256 = 2 ** 255; /** * @dev Variant of {parseInt-string-uint256-uint256} that returns false if the parsing fails because of an invalid * character or if the result does not fit in a `int256`. * * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`. */ function tryParseInt( string memory input, uint256 begin, uint256 end ) internal pure returns (bool success, int256 value) { if (end > bytes(input).length || begin > end) return (false, 0); return _tryParseIntUncheckedBounds(input, begin, end); } /** * @dev Implementation of {tryParseInt-string-uint256-uint256} that does not check bounds. Caller should make sure that * `begin <= end <= input.length`. Other inputs would result in undefined behavior. */ function _tryParseIntUncheckedBounds( string memory input, uint256 begin, uint256 end ) private pure returns (bool success, int256 value) { bytes memory buffer = bytes(input); // Check presence of a negative sign. bytes1 sign = begin == end ? bytes1(0) : bytes1(_unsafeReadBytesOffset(buffer, begin)); // don't do out-of-bound (possibly unsafe) read if sub-string is empty bool positiveSign = sign == bytes1("+"); bool negativeSign = sign == bytes1("-"); uint256 offset = (positiveSign || negativeSign).toUint(); (bool absSuccess, uint256 absValue) = tryParseUint(input, begin + offset, end); if (absSuccess && absValue < ABS_MIN_INT256) { return (true, negativeSign ? -int256(absValue) : int256(absValue)); } else if (absSuccess && negativeSign && absValue == ABS_MIN_INT256) { return (true, type(int256).min); } else return (false, 0); } /** * @dev Parse a hexadecimal string (with or without "0x" prefix), and returns the value as a `uint256`. * * Requirements: * - The string must be formatted as `(0x)?[0-9a-fA-F]*` * - The result must fit in an `uint256` type. */ function parseHexUint(string memory input) internal pure returns (uint256) { return parseHexUint(input, 0, bytes(input).length); } /** * @dev Variant of {parseHexUint-string} that parses a substring of `input` located between position `begin` (included) and * `end` (excluded). * * Requirements: * - The substring must be formatted as `(0x)?[0-9a-fA-F]*` * - The result must fit in an `uint256` type. */ function parseHexUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) { (bool success, uint256 value) = tryParseHexUint(input, begin, end); if (!success) revert StringsInvalidChar(); return value; } /** * @dev Variant of {parseHexUint-string} that returns false if the parsing fails because of an invalid character. * * NOTE: This function will revert if the result does not fit in a `uint256`. */ function tryParseHexUint(string memory input) internal pure returns (bool success, uint256 value) { return _tryParseHexUintUncheckedBounds(input, 0, bytes(input).length); } /** * @dev Variant of {parseHexUint-string-uint256-uint256} that returns false if the parsing fails because of an * invalid character. * * NOTE: This function will revert if the result does not fit in a `uint256`. */ function tryParseHexUint( string memory input, uint256 begin, uint256 end ) internal pure returns (bool success, uint256 value) { if (end > bytes(input).length || begin > end) return (false, 0); return _tryParseHexUintUncheckedBounds(input, begin, end); } /** * @dev Implementation of {tryParseHexUint-string-uint256-uint256} that does not check bounds. Caller should make sure that * `begin <= end <= input.length`. Other inputs would result in undefined behavior. */ function _tryParseHexUintUncheckedBounds( string memory input, uint256 begin, uint256 end ) private pure returns (bool success, uint256 value) { bytes memory buffer = bytes(input); // skip 0x prefix if present bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(buffer, begin)) == bytes2("0x"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty uint256 offset = hasPrefix.toUint() * 2; uint256 result = 0; for (uint256 i = begin + offset; i < end; ++i) { uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i))); if (chr > 15) return (false, 0); result *= 16; unchecked { // Multiplying by 16 is equivalent to a shift of 4 bits (with additional overflow check). // This guarantees that adding a value < 16 will not cause an overflow, hence the unchecked. result += chr; } } return (true, result); } /** * @dev Parse a hexadecimal string (with or without "0x" prefix), and returns the value as an `address`. * * Requirements: * - The string must be formatted as `(0x)?[0-9a-fA-F]{40}` */ function parseAddress(string memory input) internal pure returns (address) { return parseAddress(input, 0, bytes(input).length); } /** * @dev Variant of {parseAddress-string} that parses a substring of `input` located between position `begin` (included) and * `end` (excluded). * * Requirements: * - The substring must be formatted as `(0x)?[0-9a-fA-F]{40}` */ function parseAddress(string memory input, uint256 begin, uint256 end) internal pure returns (address) { (bool success, address value) = tryParseAddress(input, begin, end); if (!success) revert StringsInvalidAddressFormat(); return value; } /** * @dev Variant of {parseAddress-string} that returns false if the parsing fails because the input is not a properly * formatted address. See {parseAddress-string} requirements. */ function tryParseAddress(string memory input) internal pure returns (bool success, address value) { return tryParseAddress(input, 0, bytes(input).length); } /** * @dev Variant of {parseAddress-string-uint256-uint256} that returns false if the parsing fails because input is not a properly * formatted address. See {parseAddress-string-uint256-uint256} requirements. */ function tryParseAddress( string memory input, uint256 begin, uint256 end ) internal pure returns (bool success, address value) { if (end > bytes(input).length || begin > end) return (false, address(0)); bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(bytes(input), begin)) == bytes2("0x"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty uint256 expectedLength = 40 + hasPrefix.toUint() * 2; // check that input is the correct length if (end - begin == expectedLength) { // length guarantees that this does not overflow, and value is at most type(uint160).max (bool s, uint256 v) = _tryParseHexUintUncheckedBounds(input, begin, end); return (s, address(uint160(v))); } else { return (false, address(0)); } } function _tryParseChr(bytes1 chr) private pure returns (uint8) { uint8 value = uint8(chr); // Try to parse `chr`: // - Case 1: [0-9] // - Case 2: [a-f] // - Case 3: [A-F] // - otherwise not supported unchecked { if (value > 47 && value < 58) value -= 48; else if (value > 96 && value < 103) value -= 87; else if (value > 64 && value < 71) value -= 55; else return type(uint8).max; } return value; } /** * @dev Escape special characters in JSON strings. This can be useful to prevent JSON injection in NFT metadata. * * WARNING: This function should only be used in double quoted JSON strings. Single quotes are not escaped. * * NOTE: This function escapes backslashes (including those in \uXXXX sequences) and the characters in ranges * defined in section 2.5 of RFC-4627 (U+0000 to U+001F, U+0022 and U+005C). All control characters in U+0000 * to U+001F are escaped (\b, \t, \n, \f, \r use short form; others use \u00XX). ECMAScript's `JSON.parse` does * recover escaped unicode characters that are not in this range, but other tooling may provide different results. */ function escapeJSON(string memory input) internal pure returns (string memory) { bytes memory buffer = bytes(input); // Put output at the FMP. Memory will be reserved later when we figure out the actual length of the escaped // string. All write are done using _unsafeWriteBytesOffset, which avoid the (expensive) length checks for // each character written. bytes memory output; assembly ("memory-safe") { output := mload(0x40) } uint256 outputLength = 0; for (uint256 i = 0; i < buffer.length; ++i) { uint8 char = uint8(bytes1(_unsafeReadBytesOffset(buffer, i))); if (((SPECIAL_CHARS_LOOKUP & (1 << char)) != 0)) { _unsafeWriteBytesOffset(output, outputLength++, "\\"); if (char == 0x08) _unsafeWriteBytesOffset(output, outputLength++, "b"); else if (char == 0x09) _unsafeWriteBytesOffset(output, outputLength++, "t"); else if (char == 0x0a) _unsafeWriteBytesOffset(output, outputLength++, "n"); else if (char == 0x0c) _unsafeWriteBytesOffset(output, outputLength++, "f"); else if (char == 0x0d) _unsafeWriteBytesOffset(output, outputLength++, "r"); else if (char == 0x5c) _unsafeWriteBytesOffset(output, outputLength++, "\\"); else if (char == 0x22) { // solhint-disable-next-line quotes _unsafeWriteBytesOffset(output, outputLength++, '"'); } else { // U+0000 to U+001F without short form: output \u00XX _unsafeWriteBytesOffset(output, outputLength++, "u"); _unsafeWriteBytesOffset(output, outputLength++, "0"); _unsafeWriteBytesOffset(output, outputLength++, "0"); _unsafeWriteBytesOffset(output, outputLength++, HEX_DIGITS[char >> 4]); _unsafeWriteBytesOffset(output, outputLength++, HEX_DIGITS[char & 0x0f]); } } else { _unsafeWriteBytesOffset(output, outputLength++, bytes1(char)); } } // write the actual length and reserve memory assembly ("memory-safe") { mstore(output, outputLength) mstore(0x40, add(output, add(outputLength, 0x20))) } return string(output); } /** * @dev Reads a bytes32 from a bytes array without bounds checking. * * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the * assembly block as such would prevent some optimizations. */ function _unsafeReadBytesOffset(bytes memory buffer, uint256 offset) private pure returns (bytes32 value) { // This is not memory safe in the general case, but all calls to this private function are within bounds. assembly ("memory-safe") { value := mload(add(add(buffer, 0x20), offset)) } } /** * @dev Write a bytes1 to a bytes array without bounds checking. * * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the * assembly block as such would prevent some optimizations. */ function _unsafeWriteBytesOffset(bytes memory buffer, uint256 offset, bytes1 value) private pure { // This is not memory safe in the general case, but all calls to this private function are within bounds. assembly ("memory-safe") { mstore8(add(add(buffer, 0x20), offset), shr(248, value)) } } } // node_modules/@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol // OpenZeppelin Contracts (last updated v5.6.0) (utils/cryptography/MessageHashUtils.sol) /** * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing. * * The library provides methods for generating a hash of a message that conforms to the * https://eips.ethereum.org/EIPS/eip-191[ERC-191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712] * specifications. */ library MessageHashUtils { error ERC5267ExtensionsNotSupported(); /** * @dev Returns the keccak256 digest of an ERC-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing a bytes32 `messageHash` with * `"\x19Ethereum Signed Message:\n32"` and hashing the result. It corresponds with the * hash signed when using the https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_sign[`eth_sign`] JSON-RPC method. * * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with * keccak256, although any bytes32 value can be safely used because the final digest will * be re-hashed. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) { assembly ("memory-safe") { mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20) } } /** * @dev Returns the keccak256 digest of an ERC-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing an arbitrary `message` with * `"\x19Ethereum Signed Message:\n" + len(message)` and hashing the result. It corresponds with the * hash signed when using the https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_sign[`eth_sign`] JSON-RPC method. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) { return keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message)); } /** * @dev Returns the keccak256 digest of an ERC-191 signed data with version * `0x00` (data with intended validator). * * The digest is calculated by prefixing an arbitrary `data` with `"\x19\x00"` and the intended * `validator` address. Then hashing the result. * * See {ECDSA-recover}. */ function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) { return keccak256(abi.encodePacked(hex"19_00", validator, data)); } /** * @dev Variant of {toDataWithIntendedValidatorHash-address-bytes} optimized for cases where `data` is a bytes32. */ function toDataWithIntendedValidatorHash( address validator, bytes32 messageHash ) internal pure returns (bytes32 digest) { assembly ("memory-safe") { mstore(0x00, hex"19_00") mstore(0x02, shl(96, validator)) mstore(0x16, messageHash) digest := keccak256(0x00, 0x36) } } /** * @dev Returns the keccak256 digest of an EIP-712 typed data (ERC-191 version `0x01`). * * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with * `\x19\x01` and hashing the result. It corresponds to the hash signed by the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712. * * See {ECDSA-recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) { assembly ("memory-safe") { let ptr := mload(0x40) mstore(ptr, hex"19_01") mstore(add(ptr, 0x02), domainSeparator) mstore(add(ptr, 0x22), structHash) digest := keccak256(ptr, 0x42) } } /** * @dev Returns the EIP-712 domain separator constructed from an `eip712Domain`. See {IERC5267-eip712Domain} * * This function dynamically constructs the domain separator based on which fields are present in the * `fields` parameter. It contains flags that indicate which domain fields are present: * * * Bit 0 (0x01): name * * Bit 1 (0x02): version * * Bit 2 (0x04): chainId * * Bit 3 (0x08): verifyingContract * * Bit 4 (0x10): salt * * Arguments that correspond to fields which are not present in `fields` are ignored. For example, if `fields` is * `0x0f` (`0b01111`), then the `salt` parameter is ignored. */ function toDomainSeparator( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt ) internal pure returns (bytes32 hash) { return toDomainSeparator( fields, keccak256(bytes(name)), keccak256(bytes(version)), chainId, verifyingContract, salt ); } /// @dev Variant of {toDomainSeparator-bytes1-string-string-uint256-address-bytes32} that uses hashed name and version. function toDomainSeparator( bytes1 fields, bytes32 nameHash, bytes32 versionHash, uint256 chainId, address verifyingContract, bytes32 salt ) internal pure returns (bytes32 hash) { bytes32 domainTypeHash = toDomainTypeHash(fields); assembly ("memory-safe") { // align fields to the right for easy processing fields := shr(248, fields) // FMP used as scratch space let fmp := mload(0x40) mstore(fmp, domainTypeHash) let ptr := add(fmp, 0x20) if and(fields, 0x01) { mstore(ptr, nameHash) ptr := add(ptr, 0x20) } if and(fields, 0x02) { mstore(ptr, versionHash) ptr := add(ptr, 0x20) } if and(fields, 0x04) { mstore(ptr, chainId) ptr := add(ptr, 0x20) } if and(fields, 0x08) { mstore(ptr, verifyingContract) ptr := add(ptr, 0x20) } if and(fields, 0x10) { mstore(ptr, salt) ptr := add(ptr, 0x20) } hash := keccak256(fmp, sub(ptr, fmp)) } } /// @dev Builds an EIP-712 domain type hash depending on the `fields` provided, following https://eips.ethereum.org/EIPS/eip-5267[ERC-5267] function toDomainTypeHash(bytes1 fields) internal pure returns (bytes32 hash) { if (fields & 0x20 == 0x20) revert ERC5267ExtensionsNotSupported(); assembly ("memory-safe") { // align fields to the right for easy processing fields := shr(248, fields) // FMP used as scratch space let fmp := mload(0x40) mstore(fmp, "EIP712Domain(") let ptr := add(fmp, 0x0d) // name field if and(fields, 0x01) { mstore(ptr, "string name,") ptr := add(ptr, 0x0c) } // version field if and(fields, 0x02) { mstore(ptr, "string version,") ptr := add(ptr, 0x0f) } // chainId field if and(fields, 0x04) { mstore(ptr, "uint256 chainId,") ptr := add(ptr, 0x10) } // verifyingContract field if and(fields, 0x08) { mstore(ptr, "address verifyingContract,") ptr := add(ptr, 0x1a) } // salt field if and(fields, 0x10) { mstore(ptr, "bytes32 salt,") ptr := add(ptr, 0x0d) } // if any field is enabled, remove the trailing comma ptr := sub(ptr, iszero(iszero(and(fields, 0x1f)))) // add the closing brace mstore8(ptr, 0x29) // add closing brace ptr := add(ptr, 1) hash := keccak256(fmp, sub(ptr, fmp)) } } } // node_modules/@uniswap/v4-core/src/interfaces/IHooks.sol /// @notice V4 decides whether to invoke specific hooks by inspecting the least significant bits /// of the address that the hooks contract is deployed to. /// For example, a hooks contract deployed to address: 0x0000000000000000000000000000000000002400 /// has the lowest bits '10 0100 0000 0000' which would cause the 'before initialize' and 'after add liquidity' hooks to be used. /// See the Hooks library for the full spec. /// @dev Should only be callable by the v4 PoolManager. interface IHooks { /// @notice The hook called before the state of a pool is initialized /// @param sender The initial msg.sender for the initialize call /// @param key The key for the pool being initialized /// @param sqrtPriceX96 The sqrt(price) of the pool as a Q64.96 /// @return bytes4 The function selector for the hook function beforeInitialize(address sender, PoolKey calldata key, uint160 sqrtPriceX96) external returns (bytes4); /// @notice The hook called after the state of a pool is initialized /// @param sender The initial msg.sender for the initialize call /// @param key The key for the pool being initialized /// @param sqrtPriceX96 The sqrt(price) of the pool as a Q64.96 /// @param tick The current tick after the state of a pool is initialized /// @return bytes4 The function selector for the hook function afterInitialize(address sender, PoolKey calldata key, uint160 sqrtPriceX96, int24 tick) external returns (bytes4); /// @notice The hook called before liquidity is added /// @param sender The initial msg.sender for the add liquidity call /// @param key The key for the pool /// @param params The parameters for adding liquidity /// @param hookData Arbitrary data handed into the PoolManager by the liquidity provider to be passed on to the hook /// @return bytes4 The function selector for the hook function beforeAddLiquidity( address sender, PoolKey calldata key, ModifyLiquidityParams calldata params, bytes calldata hookData ) external returns (bytes4); /// @notice The hook called after liquidity is added /// @param sender The initial msg.sender for the add liquidity call /// @param key The key for the pool /// @param params The parameters for adding liquidity /// @param delta The caller's balance delta after adding liquidity; the sum of principal delta, fees accrued, and hook delta /// @param feesAccrued The fees accrued since the last time fees were collected from this position /// @param hookData Arbitrary data handed into the PoolManager by the liquidity provider to be passed on to the hook /// @return bytes4 The function selector for the hook /// @return BalanceDelta The hook's delta in token0 and token1. Positive: the hook is owed/took currency, negative: the hook owes/sent currency function afterAddLiquidity( address sender, PoolKey calldata key, ModifyLiquidityParams calldata params, BalanceDelta delta, BalanceDelta feesAccrued, bytes calldata hookData ) external returns (bytes4, BalanceDelta); /// @notice The hook called before liquidity is removed /// @param sender The initial msg.sender for the remove liquidity call /// @param key The key for the pool /// @param params The parameters for removing liquidity /// @param hookData Arbitrary data handed into the PoolManager by the liquidity provider to be be passed on to the hook /// @return bytes4 The function selector for the hook function beforeRemoveLiquidity( address sender, PoolKey calldata key, ModifyLiquidityParams calldata params, bytes calldata hookData ) external returns (bytes4); /// @notice The hook called after liquidity is removed /// @param sender The initial msg.sender for the remove liquidity call /// @param key The key for the pool /// @param params The parameters for removing liquidity /// @param delta The caller's balance delta after removing liquidity; the sum of principal delta, fees accrued, and hook delta /// @param feesAccrued The fees accrued since the last time fees were collected from this position /// @param hookData Arbitrary data handed into the PoolManager by the liquidity provider to be be passed on to the hook /// @return bytes4 The function selector for the hook /// @return BalanceDelta The hook's delta in token0 and token1. Positive: the hook is owed/took currency, negative: the hook owes/sent currency function afterRemoveLiquidity( address sender, PoolKey calldata key, ModifyLiquidityParams calldata params, BalanceDelta delta, BalanceDelta feesAccrued, bytes calldata hookData ) external returns (bytes4, BalanceDelta); /// @notice The hook called before a swap /// @param sender The initial msg.sender for the swap call /// @param key The key for the pool /// @param params The parameters for the swap /// @param hookData Arbitrary data handed into the PoolManager by the swapper to be be passed on to the hook /// @return bytes4 The function selector for the hook /// @return BeforeSwapDelta The hook's delta in specified and unspecified currencies. Positive: the hook is owed/took currency, negative: the hook owes/sent currency /// @return uint24 Optionally override the lp fee, only used if three conditions are met: 1. the Pool has a dynamic fee, 2. the value's 2nd highest bit is set (23rd bit, 0x400000), and 3. the value is less than or equal to the maximum fee (1 million) function beforeSwap(address sender, PoolKey calldata key, SwapParams calldata params, bytes calldata hookData) external returns (bytes4, BeforeSwapDelta, uint24); /// @notice The hook called after a swap /// @param sender The initial msg.sender for the swap call /// @param key The key for the pool /// @param params The parameters for the swap /// @param delta The amount owed to the caller (positive) or owed to the pool (negative) /// @param hookData Arbitrary data handed into the PoolManager by the swapper to be be passed on to the hook /// @return bytes4 The function selector for the hook /// @return int128 The hook's delta in unspecified currency. Positive: the hook is owed/took currency, negative: the hook owes/sent currency function afterSwap( address sender, PoolKey calldata key, SwapParams calldata params, BalanceDelta delta, bytes calldata hookData ) external returns (bytes4, int128); /// @notice The hook called before donate /// @param sender The initial msg.sender for the donate call /// @param key The key for the pool /// @param amount0 The amount of token0 being donated /// @param amount1 The amount of token1 being donated /// @param hookData Arbitrary data handed into the PoolManager by the donor to be be passed on to the hook /// @return bytes4 The function selector for the hook function beforeDonate( address sender, PoolKey calldata key, uint256 amount0, uint256 amount1, bytes calldata hookData ) external returns (bytes4); /// @notice The hook called after donate /// @param sender The initial msg.sender for the donate call /// @param key The key for the pool /// @param amount0 The amount of token0 being donated /// @param amount1 The amount of token1 being donated /// @param hookData Arbitrary data handed into the PoolManager by the donor to be be passed on to the hook /// @return bytes4 The function selector for the hook function afterDonate( address sender, PoolKey calldata key, uint256 amount0, uint256 amount1, bytes calldata hookData ) external returns (bytes4); } // node_modules/@uniswap/v4-core/src/types/PoolId.sol type PoolId is bytes32; /// @notice Library for computing the ID of a pool library PoolIdLibrary { /// @notice Returns value equal to keccak256(abi.encode(poolKey)) function toId(PoolKey memory poolKey) internal pure returns (PoolId poolId) { assembly ("memory-safe") { // 0xa0 represents the total size of the poolKey struct (5 slots of 32 bytes) poolId := keccak256(poolKey, 0xa0) } } } // node_modules/@uniswap/v4-core/src/types/PoolKey.sol using PoolIdLibrary for PoolKey global; /// @notice Returns the key for identifying a pool struct PoolKey { /// @notice The lower currency of the pool, sorted numerically Currency currency0; /// @notice The higher currency of the pool, sorted numerically Currency currency1; /// @notice The pool LP fee, capped at 1_000_000. If the highest bit is 1, the pool has a dynamic fee and must be exactly equal to 0x800000 uint24 fee; /// @notice Ticks that involve positions must be a multiple of tick spacing int24 tickSpacing; /// @notice The hooks of the pool IHooks hooks; } // node_modules/@uniswap/v4-core/src/types/PoolOperation.sol /// @notice Parameter struct for `ModifyLiquidity` pool operations struct ModifyLiquidityParams { // the lower and upper tick of the position int24 tickLower; int24 tickUpper; // how to modify the liquidity int256 liquidityDelta; // a value to set if you want unique liquidity positions at the same range bytes32 salt; } /// @notice Parameter struct for `Swap` pool operations struct SwapParams { /// Whether to swap token0 for token1 or vice versa bool zeroForOne; /// The desired input amount if negative (exactIn), or the desired output amount if positive (exactOut) int256 amountSpecified; /// The sqrt price at which, if reached, the swap will stop executing uint160 sqrtPriceLimitX96; } // node_modules/@openzeppelin/contracts/utils/cryptography/EIP712.sol // OpenZeppelin Contracts (last updated v5.5.0) (utils/cryptography/EIP712.sol) /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP-712] is a standard for hashing and signing of typed structured data. * * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP-712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the * separator from the immutable values, which is cheaper than accessing a cached version in cold storage. * * @custom:oz-upgrades-unsafe-allow state-variable-immutable */ abstract contract EIP712 is IERC5267 { using ShortStrings for *; bytes32 private constant TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to // invalidate the cached domain separator if the chain id changes. bytes32 private immutable _cachedDomainSeparator; uint256 private immutable _cachedChainId; address private immutable _cachedThis; bytes32 private immutable _hashedName; bytes32 private immutable _hashedVersion; ShortString private immutable _name; ShortString private immutable _version; // slither-disable-next-line constable-states string private _nameFallback; // slither-disable-next-line constable-states string private _versionFallback; /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP-712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ constructor(string memory name, string memory version) { _name = name.toShortStringWithFallback(_nameFallback); _version = version.toShortStringWithFallback(_versionFallback); _hashedName = keccak256(bytes(name)); _hashedVersion = keccak256(bytes(version)); _cachedChainId = block.chainid; _cachedDomainSeparator = _buildDomainSeparator(); _cachedThis = address(this); } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { if (address(this) == _cachedThis && block.chainid == _cachedChainId) { return _cachedDomainSeparator; } else { return _buildDomainSeparator(); } } function _buildDomainSeparator() private view returns (bytes32) { return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash); } /// @inheritdoc IERC5267 function eip712Domain() public view virtual returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ) { return ( hex"0f", // 01111 _EIP712Name(), _EIP712Version(), block.chainid, address(this), bytes32(0), new uint256[](0) ); } /** * @dev The name parameter for the EIP712 domain. * * NOTE: By default this function reads _name which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Name() internal view returns (string memory) { return _name.toStringWithFallback(_nameFallback); } /** * @dev The version parameter for the EIP712 domain. * * NOTE: By default this function reads _version which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Version() internal view returns (string memory) { return _version.toStringWithFallback(_versionFallback); } } // node_modules/@uniswap/v4-core/src/interfaces/IProtocolFees.sol /// @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 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); } // node_modules/@uniswap/v4-core/src/interfaces/IPoolManager.sol /// @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; } // contracts/ArcChatMintV4.sol interface IAshitHookConfigV4 { function launchToken() external view returns (address); function taxRecipient() external view returns (address); function poolManager() external view returns (IPoolManager); } /// @notice Fixed sale with timeout refunds; no administrator principal withdrawal. /// @dev Native USDC has 18 decimals. Refunds are pull-based and only before launch. contract ArcChatMintV4 is ERC20, EIP712, Ownable2Step, ReentrancyGuard, IUnlockCallback { using PoolIdLibrary for PoolKey; enum SaleState { Setup, Active, Refunding, Launched, Withdrawn } bytes32 public constant MINT_TYPEHASH = keccak256("Mint(address recipient,uint256 slots,uint256 unitPrice,bytes32 nonce,uint256 deadline,uint256 signerEpoch)"); uint256 public constant unitPrice = 1 ether; uint256 public constant tokensPerSlot = 500 ether; uint256 public constant maxSlots = 21_000; uint256 public walletSlotCap = 50; uint256 public maxSlotsPerMint = 50; uint256 public defaultMintSlots = 10; uint256 public constant LP_RESERVE = 10_500_000 ether; uint256 public constant MAX_SUPPLY = 21_000_000 ether; uint256 public constant LP_LOCK_DURATION = 30 days; uint160 public constant INITIAL_SQRT_PRICE = 1771595571142957102961017161607; int24 public constant TICK_LOWER = -887220; int24 public constant TICK_UPPER = 887220; address public issuer; uint256 public signerEpoch = 1; address public immutable taxRecipient; address public immutable lpBeneficiary; IPoolManager public immutable poolManager; uint256 public constant saleDuration = 24 hours; uint256 public constant finalizationGrace = 48 hours; bool public constant lockTransfersBeforeLaunch = true; address public hook; SaleState public saleState; bool public paused; uint256 public saleEndsAt; uint256 public soldOutAt; uint256 public totalSlots; uint256 public totalRefundedSlots; bool public constant adminCanWithdrawPrincipal = false; uint256 public lpUnlockAt; uint128 public lockedLiquidity; uint8 private callbackAction; mapping(address => uint256) public mintedSlots; mapping(address => uint256) public refundedSlots; mapping(bytes32 => bool) public usedNonces; error InvalidConfiguration(); error WrongState(); error Paused(); error SaleExpired(); error RefundsNotDue(); error InvalidSlots(); error ExpiredVoucher(); error InvalidVoucher(); error VoucherUsed(); error WrongPayment(); error WalletCapReached(); error SoldOut(); error Unauthorized(); error LiquidityLocked(); error TransfersLocked(); error Slippage(); error TransferFailed(); event Minted(address indexed recipient, bytes32 indexed nonce, uint256 slots, uint256 amount, uint256 paid); event HookConfigured(address indexed hook); event SaleOpened(uint256 saleEndsAt, uint256 finalizationGrace); event MintPauseChanged(bool paused); event MintLimitsChanged(uint256 walletCap, uint256 perTransactionCap, uint256 defaultSlots); event IssuerChanged(address indexed oldIssuer, address indexed newIssuer, uint256 signerEpoch); event SaleSoldOut(uint256 finalizeBefore); event RefundsEnabled(address indexed caller); event Refunded(address indexed payer, uint256 slots, uint256 usdc, uint256 burnedTokens); event PoolCreated(bytes32 indexed poolId, uint128 liquidity, uint256 unlockAt); event LiquidityWithdrawn(address indexed recipient, uint256 usdc, uint256 tokens); constructor( address admin_, address issuer_, IPoolManager manager_, address taxRecipient_, address lpBeneficiary_ ) ERC20("ashit", "ASHIT") EIP712("ArcChatMint", "4") Ownable(admin_) { if (issuer_ == address(0) || address(manager_).code.length == 0 || taxRecipient_ == address(0) || lpBeneficiary_ == address(0) || taxRecipient_ == address(this) || lpBeneficiary_ == address(this)) revert InvalidConfiguration(); issuer = issuer_; poolManager = manager_; taxRecipient = taxRecipient_; lpBeneficiary = lpBeneficiary_; _mint(address(this), LP_RESERVE); } function treasury() external view returns (address) { return address(this); } function poolCreated() public view returns (bool) { return saleState == SaleState.Launched || saleState == SaleState.Withdrawn; } function liquidityWithdrawn() external view returns (bool) { return saleState == SaleState.Withdrawn; } function finalizationDeadline() public view returns (uint256) { return totalSlots == maxSlots ? soldOutAt + finalizationGrace : 0; } function refundableSlots(address payer) public view returns (uint256) { return mintedSlots[payer] - refundedSlots[payer]; } function refundLiability() public view returns (uint256) { return poolCreated() ? 0 : (totalSlots - totalRefundedSlots) * unitPrice; } function refundShortfall() external view returns (uint256) { uint256 owed = refundLiability(); return owed > address(this).balance ? owed - address(this).balance : 0; } function configureHook(address hook_) external onlyOwner { if (saleState != SaleState.Setup || hook != address(0) || hook_.code.length == 0) revert WrongState(); IAshitHookConfigV4 config = IAshitHookConfigV4(hook_); if (config.launchToken() != address(this) || config.taxRecipient() != taxRecipient || address(config.poolManager()) != address(poolManager) || (uint160(hook_) & 0x3fff) != 0x20cc) revert InvalidConfiguration(); hook = hook_; emit HookConfigured(hook_); } /// @notice Starts a fixed, non-extendable sale clock, only after the Hook is bound. function openSale(uint256 deadline_) external onlyOwner { if (saleState != SaleState.Setup || hook == address(0)) revert WrongState(); uint256 end = deadline_ == 0 ? block.timestamp + saleDuration : deadline_; if (end <= block.timestamp || end > block.timestamp + saleDuration) revert InvalidConfiguration(); saleState = SaleState.Active; saleEndsAt = end; emit SaleOpened(saleEndsAt, finalizationGrace); } /// @notice Admission limits only: cannot alter prior mints, price, supply, refunds or deadlines. /// @dev The global supply cap is also the hard ceiling for every configurable limit. function setMintLimits(uint256 walletCap_, uint256 perTransactionCap_, uint256 defaultSlots_) external onlyOwner { if (saleState != SaleState.Setup && saleState != SaleState.Active) revert WrongState(); if (walletCap_ == 0 || walletCap_ > maxSlots || perTransactionCap_ == 0 || perTransactionCap_ > walletCap_ || defaultSlots_ == 0 || defaultSlots_ > perTransactionCap_) revert InvalidConfiguration(); walletSlotCap = walletCap_; maxSlotsPerMint = perTransactionCap_; defaultMintSlots = defaultSlots_; emit MintLimitsChanged(walletCap_, perTransactionCap_, defaultSlots_); } /// @notice Pause affects mint/finalization, never refunds or launched-pool trading/withdrawal. function setPaused(bool value) external onlyOwner { if (saleState != SaleState.Setup && saleState != SaleState.Active) revert WrongState(); paused = value; emit MintPauseChanged(value); } /// @notice Rotating (or resetting) the issuer invalidates every outstanding voucher. function setIssuer(address nextIssuer) external onlyOwner { if (saleState != SaleState.Setup && saleState != SaleState.Active) revert WrongState(); if (nextIssuer == address(0)) revert InvalidConfiguration(); address oldIssuer = issuer; issuer = nextIssuer; signerEpoch++; emit IssuerChanged(oldIssuer, nextIssuer, signerEpoch); } /// @dev Do not accidentally orphan sale safety controls; two-step ownership transfer remains available. function renounceOwnership() public override onlyOwner { revert Unauthorized(); } function poolKey() public view returns (PoolKey memory) { return PoolKey(Currency.wrap(address(0)), Currency.wrap(address(this)), 0, 60, IHooks(hook)); } function poolId() external view returns (bytes32) { return PoolId.unwrap(poolKey().toId()); } function mint(uint256 slots, bytes32 nonce, uint256 deadline, bytes calldata signature) external payable nonReentrant { if (saleState != SaleState.Active) revert WrongState(); if (paused) revert Paused(); if (block.timestamp >= saleEndsAt) revert SaleExpired(); if (slots == 0 || slots > maxSlotsPerMint) revert InvalidSlots(); if (block.timestamp > deadline) revert ExpiredVoucher(); if (nonce == bytes32(0)) revert InvalidVoucher(); if (usedNonces[nonce]) revert VoucherUsed(); if (msg.value != unitPrice * slots) revert WrongPayment(); if (mintedSlots[msg.sender] + slots > walletSlotCap) revert WalletCapReached(); if (totalSlots + slots > maxSlots) revert SoldOut(); bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(MINT_TYPEHASH, msg.sender, slots, unitPrice, nonce, deadline, signerEpoch))); if (ECDSA.recover(digest, signature) != issuer) revert InvalidVoucher(); usedNonces[nonce] = true; mintedSlots[msg.sender] += slots; totalSlots += slots; uint256 amount = slots * tokensPerSlot; _mint(msg.sender, amount); emit Minted(msg.sender, nonce, slots, amount, msg.value); // A separate permissionless transaction avoids V1's caught-OOG estimation trap. if (totalSlots == maxSlots) { soldOutAt = block.timestamp; emit SaleSoldOut(finalizationDeadline()); } } /// @notice Admin may cancel before launch. Cancellation alone keeps principal for refunds. function cancelSale() external onlyOwner nonReentrant { if (saleState != SaleState.Active) revert WrongState(); _enableRefunds(); } /// @notice Hard timeout escape hatch. Neither a lost admin key nor pause blocks it. function enableRefunds() external nonReentrant { _enableExpiredRefunds(); } function _enableExpiredRefunds() private { if (saleState != SaleState.Active) revert WrongState(); uint256 cutoff = totalSlots == maxSlots ? finalizationDeadline() : saleEndsAt; if (block.timestamp < cutoff) revert RefundsNotDue(); _enableRefunds(); } function _enableRefunds() private { saleState = SaleState.Refunding; _burn(address(this), LP_RESERVE); emit RefundsEnabled(msg.sender); } /// @notice Burns 500 tokens/slot and returns exactly 1 native USDC/slot to its original payer. /// @dev No caller-supplied recipient and no batch push. Rejection rolls back the claim. function refund(uint256 slots) external nonReentrant { if (saleState == SaleState.Active) _enableExpiredRefunds(); if (saleState != SaleState.Refunding) revert WrongState(); if (slots == 0 || slots > refundableSlots(msg.sender)) revert InvalidSlots(); uint256 amount = slots * tokensPerSlot; uint256 payment = slots * unitPrice; refundedSlots[msg.sender] += slots; totalRefundedSlots += slots; _burn(msg.sender, amount); (bool ok,) = payable(msg.sender).call{value: payment}(""); if (!ok) revert TransferFailed(); emit Refunded(msg.sender, slots, payment, amount); } /// @notice Anyone can finalize after sellout, before the immutable grace deadline. /// @dev No fee, caller-controlled pool, receiver, or amount. Failure rolls back the entire call. function finalizeLiquidity() external nonReentrant { if (saleState != SaleState.Active || totalSlots != maxSlots || hook == address(0)) revert WrongState(); if (paused) revert Paused(); if (block.timestamp >= finalizationDeadline()) revert SaleExpired(); poolManager.initialize(poolKey(), INITIAL_SQRT_PRICE); lockedLiquidity = LiquidityAmounts.getLiquidityForAmounts( INITIAL_SQRT_PRICE, TickMath.getSqrtPriceAtTick(TICK_LOWER), TickMath.getSqrtPriceAtTick(TICK_UPPER), maxSlots * unitPrice, LP_RESERVE ); if (lockedLiquidity == 0) revert WrongState(); callbackAction = 1; poolManager.unlock(""); callbackAction = 0; saleState = SaleState.Launched; lpUnlockAt = block.timestamp + LP_LOCK_DURATION; emit PoolCreated(PoolId.unwrap(poolKey().toId()), lockedLiquidity, lpUnlockAt); } function withdrawLiquidity(address payable recipient, uint256 minUsdc, uint256 minTokens, uint256 deadline) external nonReentrant { if (msg.sender != lpBeneficiary || recipient == address(0) || recipient == address(this)) revert Unauthorized(); if (saleState != SaleState.Launched || block.timestamp < lpUnlockAt) revert LiquidityLocked(); if (block.timestamp > deadline) revert ExpiredVoucher(); saleState = SaleState.Withdrawn; callbackAction = 2; poolManager.unlock(""); callbackAction = 0; lockedLiquidity = 0; uint256 usdc = address(this).balance; uint256 tokens = balanceOf(address(this)); if (usdc < minUsdc || tokens < minTokens) revert Slippage(); _transfer(address(this), recipient, tokens); (bool ok,) = recipient.call{value: usdc}(""); if (!ok) revert TransferFailed(); emit LiquidityWithdrawn(recipient, usdc, tokens); } function unlockCallback(bytes calldata) external returns (bytes memory) { if (msg.sender != address(poolManager) || callbackAction == 0) revert Unauthorized(); int256 liquidityDelta = int256(uint256(lockedLiquidity)); if (callbackAction == 2) liquidityDelta = -liquidityDelta; PoolKey memory key = poolKey(); (BalanceDelta delta,) = poolManager.modifyLiquidity(key, ModifyLiquidityParams(TICK_LOWER, TICK_UPPER, liquidityDelta, bytes32(0)), ""); if (callbackAction == 1 && (delta.amount0() > 0 || delta.amount1() > 0 || uint256(-int256(delta.amount0())) > maxSlots * unitPrice || uint256(-int256(delta.amount1())) > LP_RESERVE)) revert Slippage(); _settle(key.currency0, delta.amount0()); _settle(key.currency1, delta.amount1()); return ""; } function _settle(Currency currency, int128 delta) private { if (delta > 0) poolManager.take(currency, address(this), uint256(uint128(delta))); else if (delta < 0) { uint256 amount = uint256(-int256(delta)); poolManager.sync(currency); if (Currency.unwrap(currency) == address(0)) poolManager.settle{value: amount}(); else { _transfer(address(this), address(poolManager), amount); poolManager.settle(); } } } function _update(address from, address to, uint256 value) internal override { if (lockTransfersBeforeLaunch && from != address(0) && to != address(0) && !poolCreated() && !(callbackAction == 1 && from == address(this) && to == address(poolManager))) revert TransfersLocked(); super._update(from, to, value); } receive() external payable { if (msg.sender != address(poolManager)) revert Unauthorized(); } }