{ "address": "0xe8CaF94CaC4cdBF23E6504BBea45b9DDd203F010", "abi": [ { "inputs": [ { "internalType": "address", "name": "_collateral", "type": "address" }, { "internalType": "address", "name": "_underlying", "type": "address" }, { "internalType": "address", "name": "_perpetualMarket", "type": "address" }, { "internalType": "address", "name": "_uniswapFactory", "type": "address" }, { "internalType": "address", "name": "_ethUsdcPool", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "hedger", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "hedgeTimestamp", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "minUsdc", "type": "uint256" } ], "name": "HedgeOnUniswap", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "inputs": [], "name": "collateral", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "ethUsdcPool", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "factory", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_minUsdc", "type": "uint256" }, { "internalType": "bool", "name": "_withRebalance", "type": "bool" } ], "name": "hedgeOnUniswap", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_bot", "type": "address" } ], "name": "setBot", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "underlying", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "int256", "name": "amount0Delta", "type": "int256" }, { "internalType": "int256", "name": "amount1Delta", "type": "int256" }, { "internalType": "bytes", "name": "_data", "type": "bytes" } ], "name": "uniswapV3SwapCallback", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "transactionHash": "0x5682ec49601312060d3b9c3a7cb0248508521f992153c83d6eff17665ba75686", "receipt": { "to": null, "from": "0x4f071924D66BBC71A5254217893CC7D49938B1c4", "contractAddress": "0xe8CaF94CaC4cdBF23E6504BBea45b9DDd203F010", "transactionIndex": 0, "gasUsed": "27863530", "logsBloom": "0x01000000000000000000000000000000000000000000000020800000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000001000000000000000000000000000000000000020000000000000000000800000000000000000000000000000000400000000000000000000000000000000000000000000000001000400000000000000000000000000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000", "blockHash": "0x6fc4273aa5bc70ebde94cc9cacd956cd7276804f8ed315cabb177d277df932d0", "transactionHash": "0x5682ec49601312060d3b9c3a7cb0248508521f992153c83d6eff17665ba75686", "logs": [ { "transactionIndex": 0, "blockNumber": 14570848, "transactionHash": "0x5682ec49601312060d3b9c3a7cb0248508521f992153c83d6eff17665ba75686", "address": "0xe8CaF94CaC4cdBF23E6504BBea45b9DDd203F010", "topics": [ "0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0", "0x0000000000000000000000000000000000000000000000000000000000000000", "0x0000000000000000000000004f071924d66bbc71a5254217893cc7d49938b1c4" ], "data": "0x", "logIndex": 0, "blockHash": "0x6fc4273aa5bc70ebde94cc9cacd956cd7276804f8ed315cabb177d277df932d0" } ], "blockNumber": 14570848, "cumulativeGasUsed": "12474690", "status": 1, "byzantium": true }, "args": [ "0xff970a61a04b1ca14834a43f5de4533ebddb5cc8", "0x82af49447d8a07e3bd95bd0d56f35241523fbab1", "0xAdBAeE9665C101413EbFF07e20520bdB67C71AB6", "0x1F98431c8aD98523631AE4a59f267346ea31F984", "0xc31e54c7a869b9fcbecc14363cf510d1c41fa443" ], "solcInputHash": "4053827aa146c622da7f45f0acacb57f", "metadata": "{\"compiler\":{\"version\":\"0.7.6+commit.7338295f\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_collateral\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_underlying\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_perpetualMarket\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_uniswapFactory\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_ethUsdcPool\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"hedger\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"hedgeTimestamp\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"minUsdc\",\"type\":\"uint256\"}],\"name\":\"HedgeOnUniswap\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"collateral\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"ethUsdcPool\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"factory\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_minUsdc\",\"type\":\"uint256\"},{\"internalType\":\"bool\",\"name\":\"_withRebalance\",\"type\":\"bool\"}],\"name\":\"hedgeOnUniswap\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_bot\",\"type\":\"address\"}],\"name\":\"setBot\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"underlying\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"int256\",\"name\":\"amount0Delta\",\"type\":\"int256\"},{\"internalType\":\"int256\",\"name\":\"amount1Delta\",\"type\":\"int256\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"uniswapV3SwapCallback\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"hedgeOnUniswap(uint256,bool)\":{\"params\":{\"_minUsdc\":\"minimum USDC amount the caller willing to receive\",\"_withRebalance\":\"exec hedge with rebalancing margin or not\"}},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"setBot(address)\":{\"params\":{\"_bot\":\"bot address\"}},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"},\"uniswapV3SwapCallback(int256,int256,bytes)\":{\"params\":{\"_data\":\"callback data encoded as SwapCallbackData struct\",\"amount0Delta\":\"amount of token0\",\"amount1Delta\":\"amount of token1\"}}},\"stateVariables\":{\"bot\":{\"details\":\"bot address\"},\"ethUsdcPool\":{\"details\":\"ETH:USDC uniswap pool\"}},\"title\":\"FlashHedge\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"hedgeOnUniswap(uint256,bool)\":{\"notice\":\"Executes delta hedging by Uniswap\"},\"setBot(address)\":{\"notice\":\"set bot address\"},\"uniswapV3SwapCallback(int256,int256,bytes)\":{\"notice\":\"uniswap swap callback function for flashes\"}},\"notice\":\"FlashHedge helps to swap underlying assets and USDC tokens with Uniswap for delta hedging. Error codes FH0: no enough usdc amount FH1: no enough usdc amount FH2: profit is less than minUsdc FH3: amounts must not be 0 FH4: caller is not bot\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"src/FlashHedge.sol\":\"FlashHedge\"},\"evmVersion\":\"istanbul\",\"libraries\":{\":__CACHE_BREAKER__\":\"0x0000000000000031363535313831393733373438\"},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/Ownable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\nimport \\\"../utils/Context.sol\\\";\\n/**\\n * @dev Contract module which provides a basic access control mechanism, where\\n * there is an account (an owner) that can be granted exclusive access to\\n * specific functions.\\n *\\n * By default, the owner account will be the one that deploys the contract. This\\n * can later be changed with {transferOwnership}.\\n *\\n * This module is used through inheritance. It will make available the modifier\\n * `onlyOwner`, which can be applied to your functions to restrict their use to\\n * the owner.\\n */\\nabstract contract Ownable is Context {\\n address private _owner;\\n\\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\\n\\n /**\\n * @dev Initializes the contract setting the deployer as the initial owner.\\n */\\n constructor () {\\n address msgSender = _msgSender();\\n _owner = msgSender;\\n emit OwnershipTransferred(address(0), msgSender);\\n }\\n\\n /**\\n * @dev Returns the address of the current owner.\\n */\\n function owner() public view virtual returns (address) {\\n return _owner;\\n }\\n\\n /**\\n * @dev Throws if called by any account other than the owner.\\n */\\n modifier onlyOwner() {\\n require(owner() == _msgSender(), \\\"Ownable: caller is not the owner\\\");\\n _;\\n }\\n\\n /**\\n * @dev Leaves the contract without owner. It will not be possible to call\\n * `onlyOwner` functions anymore. Can only be called by the current owner.\\n *\\n * NOTE: Renouncing ownership will leave the contract without an owner,\\n * thereby removing any functionality that is only available to the owner.\\n */\\n function renounceOwnership() public virtual onlyOwner {\\n emit OwnershipTransferred(_owner, address(0));\\n _owner = address(0);\\n }\\n\\n /**\\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n * Can only be called by the current owner.\\n */\\n function transferOwnership(address newOwner) public virtual onlyOwner {\\n require(newOwner != address(0), \\\"Ownable: new owner is the zero address\\\");\\n emit OwnershipTransferred(_owner, newOwner);\\n _owner = newOwner;\\n }\\n}\\n\",\"keccak256\":\"0x549c5343ad9f7e3f38aa4c4761854403502574bbc15b822db2ce892ff9b79da7\",\"license\":\"MIT\"},\"@openzeppelin/contracts/introspection/IERC165.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\n/**\\n * @dev Interface of the ERC165 standard, as defined in the\\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\\n *\\n * Implementers can declare support of contract interfaces, which can then be\\n * queried by others ({ERC165Checker}).\\n *\\n * For an implementation, see {ERC165}.\\n */\\ninterface IERC165 {\\n /**\\n * @dev Returns true if this contract implements the interface defined by\\n * `interfaceId`. See the corresponding\\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\\n * to learn more about how these ids are created.\\n *\\n * This function call must use less than 30 000 gas.\\n */\\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\\n}\\n\",\"keccak256\":\"0xd2f30fad5b24c4120f96dbac83aacdb7993ee610a9092bc23c44463da292bf8d\",\"license\":\"MIT\"},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\n/**\\n * @dev Wrappers over Solidity's arithmetic operations with added overflow\\n * checks.\\n *\\n * Arithmetic operations in Solidity wrap on overflow. This can easily result\\n * in bugs, because programmers usually assume that an overflow raises an\\n * error, which is the standard behavior in high level programming languages.\\n * `SafeMath` restores this intuition by reverting the transaction when an\\n * operation overflows.\\n *\\n * Using this library instead of the unchecked operations eliminates an entire\\n * class of bugs, so it's recommended to use it always.\\n */\\nlibrary SafeMath {\\n /**\\n * @dev Returns the addition of two unsigned integers, with an overflow flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n uint256 c = a + b;\\n if (c < a) return (false, 0);\\n return (true, c);\\n }\\n\\n /**\\n * @dev Returns the substraction of two unsigned integers, with an overflow flag.\\n *\\n * _Available since v3.4._\\n */\\n function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n if (b > a) return (false, 0);\\n return (true, a - b);\\n }\\n\\n /**\\n * @dev Returns the multiplication of two unsigned integers, with an overflow flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\\n // benefit is lost if 'b' is also tested.\\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\\n if (a == 0) return (true, 0);\\n uint256 c = a * b;\\n if (c / a != b) return (false, 0);\\n return (true, c);\\n }\\n\\n /**\\n * @dev Returns the division of two unsigned integers, with a division by zero flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n if (b == 0) return (false, 0);\\n return (true, a / b);\\n }\\n\\n /**\\n * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\\n *\\n * _Available since v3.4._\\n */\\n function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n if (b == 0) return (false, 0);\\n return (true, a % b);\\n }\\n\\n /**\\n * @dev Returns the addition of two unsigned integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `+` operator.\\n *\\n * Requirements:\\n *\\n * - Addition cannot overflow.\\n */\\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\\n uint256 c = a + b;\\n require(c >= a, \\\"SafeMath: addition overflow\\\");\\n return c;\\n }\\n\\n /**\\n * @dev Returns the subtraction of two unsigned integers, reverting on\\n * overflow (when the result is negative).\\n *\\n * Counterpart to Solidity's `-` operator.\\n *\\n * Requirements:\\n *\\n * - Subtraction cannot overflow.\\n */\\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\\n require(b <= a, \\\"SafeMath: subtraction overflow\\\");\\n return a - b;\\n }\\n\\n /**\\n * @dev Returns the multiplication of two unsigned integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `*` operator.\\n *\\n * Requirements:\\n *\\n * - Multiplication cannot overflow.\\n */\\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\\n if (a == 0) return 0;\\n uint256 c = a * b;\\n require(c / a == b, \\\"SafeMath: multiplication overflow\\\");\\n return c;\\n }\\n\\n /**\\n * @dev Returns the integer division of two unsigned integers, reverting on\\n * division by zero. The result is rounded towards zero.\\n *\\n * Counterpart to Solidity's `/` operator. Note: this function uses a\\n * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n * uses an invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\\n require(b > 0, \\\"SafeMath: division by zero\\\");\\n return a / b;\\n }\\n\\n /**\\n * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n * reverting when dividing by zero.\\n *\\n * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n * opcode (which leaves remaining gas untouched) while Solidity uses an\\n * invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\\n require(b > 0, \\\"SafeMath: modulo by zero\\\");\\n return a % b;\\n }\\n\\n /**\\n * @dev Returns the subtraction of two unsigned integers, reverting with custom message on\\n * overflow (when the result is negative).\\n *\\n * CAUTION: This function is deprecated because it requires allocating memory for the error\\n * message unnecessarily. For custom revert reasons use {trySub}.\\n *\\n * Counterpart to Solidity's `-` operator.\\n *\\n * Requirements:\\n *\\n * - Subtraction cannot overflow.\\n */\\n function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b <= a, errorMessage);\\n return a - b;\\n }\\n\\n /**\\n * @dev Returns the integer division of two unsigned integers, reverting with custom message on\\n * division by zero. The result is rounded towards zero.\\n *\\n * CAUTION: This function is deprecated because it requires allocating memory for the error\\n * message unnecessarily. For custom revert reasons use {tryDiv}.\\n *\\n * Counterpart to Solidity's `/` operator. Note: this function uses a\\n * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n * uses an invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b > 0, errorMessage);\\n return a / b;\\n }\\n\\n /**\\n * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n * reverting with custom message when dividing by zero.\\n *\\n * CAUTION: This function is deprecated because it requires allocating memory for the error\\n * message unnecessarily. For custom revert reasons use {tryMod}.\\n *\\n * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n * opcode (which leaves remaining gas untouched) while Solidity uses an\\n * invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b > 0, errorMessage);\\n return a % b;\\n }\\n}\\n\",\"keccak256\":\"0xe22a1fc7400ae196eba2ad1562d0386462b00a6363b742d55a2fd2021a58586f\",\"license\":\"MIT\"},\"@openzeppelin/contracts/math/SignedSafeMath.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\n/**\\n * @title SignedSafeMath\\n * @dev Signed math operations with safety checks that revert on error.\\n */\\nlibrary SignedSafeMath {\\n int256 constant private _INT256_MIN = -2**255;\\n\\n /**\\n * @dev Returns the multiplication of two signed integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `*` operator.\\n *\\n * Requirements:\\n *\\n * - Multiplication cannot overflow.\\n */\\n function mul(int256 a, int256 b) internal pure returns (int256) {\\n // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\\n // benefit is lost if 'b' is also tested.\\n // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\\n if (a == 0) {\\n return 0;\\n }\\n\\n require(!(a == -1 && b == _INT256_MIN), \\\"SignedSafeMath: multiplication overflow\\\");\\n\\n int256 c = a * b;\\n require(c / a == b, \\\"SignedSafeMath: multiplication overflow\\\");\\n\\n return c;\\n }\\n\\n /**\\n * @dev Returns the integer division of two signed integers. Reverts on\\n * division by zero. The result is rounded towards zero.\\n *\\n * Counterpart to Solidity's `/` operator. Note: this function uses a\\n * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n * uses an invalid opcode to revert (consuming all remaining gas).\\n *\\n * Requirements:\\n *\\n * - The divisor cannot be zero.\\n */\\n function div(int256 a, int256 b) internal pure returns (int256) {\\n require(b != 0, \\\"SignedSafeMath: division by zero\\\");\\n require(!(b == -1 && a == _INT256_MIN), \\\"SignedSafeMath: division overflow\\\");\\n\\n int256 c = a / b;\\n\\n return c;\\n }\\n\\n /**\\n * @dev Returns the subtraction of two signed integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `-` operator.\\n *\\n * Requirements:\\n *\\n * - Subtraction cannot overflow.\\n */\\n function sub(int256 a, int256 b) internal pure returns (int256) {\\n int256 c = a - b;\\n require((b >= 0 && c <= a) || (b < 0 && c > a), \\\"SignedSafeMath: subtraction overflow\\\");\\n\\n return c;\\n }\\n\\n /**\\n * @dev Returns the addition of two signed integers, reverting on\\n * overflow.\\n *\\n * Counterpart to Solidity's `+` operator.\\n *\\n * Requirements:\\n *\\n * - Addition cannot overflow.\\n */\\n function add(int256 a, int256 b) internal pure returns (int256) {\\n int256 c = a + b;\\n require((b >= 0 && c >= a) || (b < 0 && c < a), \\\"SignedSafeMath: addition overflow\\\");\\n\\n return c;\\n }\\n}\\n\",\"keccak256\":\"0xba085261d44cf28d2583f7c8cdb2f0a6a495ff1a640f86d995ea9d36b42b0046\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\n/**\\n * @dev Interface of the ERC20 standard as defined in the EIP.\\n */\\ninterface IERC20 {\\n /**\\n * @dev Returns the amount of tokens in existence.\\n */\\n function totalSupply() external view returns (uint256);\\n\\n /**\\n * @dev Returns the amount of tokens owned by `account`.\\n */\\n function balanceOf(address account) external view returns (uint256);\\n\\n /**\\n * @dev Moves `amount` tokens from the caller's account to `recipient`.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transfer(address recipient, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Returns the remaining number of tokens that `spender` will be\\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\\n * zero by default.\\n *\\n * This value changes when {approve} or {transferFrom} are called.\\n */\\n function allowance(address owner, address spender) external view returns (uint256);\\n\\n /**\\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\\n * that someone may use both the old and the new allowance by unfortunate\\n * transaction ordering. One possible solution to mitigate this race\\n * condition is to first reduce the spender's allowance to 0 and set the\\n * desired value afterwards:\\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\\n *\\n * Emits an {Approval} event.\\n */\\n function approve(address spender, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Moves `amount` tokens from `sender` to `recipient` using the\\n * allowance mechanism. `amount` is then deducted from the caller's\\n * allowance.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\\n * another (`to`).\\n *\\n * Note that `value` may be zero.\\n */\\n event Transfer(address indexed from, address indexed to, uint256 value);\\n\\n /**\\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\\n * a call to {approve}. `value` is the new allowance.\\n */\\n event Approval(address indexed owner, address indexed spender, uint256 value);\\n}\\n\",\"keccak256\":\"0xbd74f587ab9b9711801baf667db1426e4a03fd2d7f15af33e0e0d0394e7cef76\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/SafeERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\nimport \\\"./IERC20.sol\\\";\\nimport \\\"../../math/SafeMath.sol\\\";\\nimport \\\"../../utils/Address.sol\\\";\\n\\n/**\\n * @title SafeERC20\\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\\n * contract returns false). Tokens that return no value (and instead revert or\\n * throw on failure) are also supported, non-reverting calls are assumed to be\\n * successful.\\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\\n */\\nlibrary SafeERC20 {\\n using SafeMath for uint256;\\n using Address for address;\\n\\n function safeTransfer(IERC20 token, address to, uint256 value) internal {\\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\\n }\\n\\n function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\\n }\\n\\n /**\\n * @dev Deprecated. This function has issues similar to the ones found in\\n * {IERC20-approve}, and its usage is discouraged.\\n *\\n * Whenever possible, use {safeIncreaseAllowance} and\\n * {safeDecreaseAllowance} instead.\\n */\\n function safeApprove(IERC20 token, address spender, uint256 value) internal {\\n // safeApprove should only be called when setting an initial allowance,\\n // or when resetting it to zero. To increase and decrease it, use\\n // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\\n // solhint-disable-next-line max-line-length\\n require((value == 0) || (token.allowance(address(this), spender) == 0),\\n \\\"SafeERC20: approve from non-zero to non-zero allowance\\\"\\n );\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\\n }\\n\\n function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\\n uint256 newAllowance = token.allowance(address(this), spender).add(value);\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n }\\n\\n function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {\\n uint256 newAllowance = token.allowance(address(this), spender).sub(value, \\\"SafeERC20: decreased allowance below zero\\\");\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n }\\n\\n /**\\n * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\\n * on the return value: the return value is optional (but if data is returned, it must not be false).\\n * @param token The token targeted by the call.\\n * @param data The call data (encoded using abi.encode or one of its variants).\\n */\\n function _callOptionalReturn(IERC20 token, bytes memory data) private {\\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\\n // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\\n // the target address contains contract code and also asserts for success in the low-level call.\\n\\n bytes memory returndata = address(token).functionCall(data, \\\"SafeERC20: low-level call failed\\\");\\n if (returndata.length > 0) { // Return data is optional\\n // solhint-disable-next-line max-line-length\\n require(abi.decode(returndata, (bool)), \\\"SafeERC20: ERC20 operation did not succeed\\\");\\n }\\n }\\n}\\n\",\"keccak256\":\"0xc77dd6233a82c7c6e3dc49da8f3456baa00ecd3ea4dfa9222002a9aebf155dcd\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\nimport \\\"../../introspection/IERC165.sol\\\";\\n\\n/**\\n * @dev Required interface of an ERC721 compliant contract.\\n */\\ninterface IERC721 is IERC165 {\\n /**\\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\\n */\\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\\n\\n /**\\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\\n */\\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\\n\\n /**\\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\\n */\\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\\n\\n /**\\n * @dev Returns the number of tokens in ``owner``'s account.\\n */\\n function balanceOf(address owner) external view returns (uint256 balance);\\n\\n /**\\n * @dev Returns the owner of the `tokenId` token.\\n *\\n * Requirements:\\n *\\n * - `tokenId` must exist.\\n */\\n function ownerOf(uint256 tokenId) external view returns (address owner);\\n\\n /**\\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\\n *\\n * Requirements:\\n *\\n * - `from` cannot be the zero address.\\n * - `to` cannot be the zero address.\\n * - `tokenId` token must exist and be owned by `from`.\\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\\n *\\n * Emits a {Transfer} event.\\n */\\n function safeTransferFrom(address from, address to, uint256 tokenId) external;\\n\\n /**\\n * @dev Transfers `tokenId` token from `from` to `to`.\\n *\\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\\n *\\n * Requirements:\\n *\\n * - `from` cannot be the zero address.\\n * - `to` cannot be the zero address.\\n * - `tokenId` token must be owned by `from`.\\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transferFrom(address from, address to, uint256 tokenId) external;\\n\\n /**\\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\\n * The approval is cleared when the token is transferred.\\n *\\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\\n *\\n * Requirements:\\n *\\n * - The caller must own the token or be an approved operator.\\n * - `tokenId` must exist.\\n *\\n * Emits an {Approval} event.\\n */\\n function approve(address to, uint256 tokenId) external;\\n\\n /**\\n * @dev Returns the account approved for `tokenId` token.\\n *\\n * Requirements:\\n *\\n * - `tokenId` must exist.\\n */\\n function getApproved(uint256 tokenId) external view returns (address operator);\\n\\n /**\\n * @dev Approve or remove `operator` as an operator for the caller.\\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\\n *\\n * Requirements:\\n *\\n * - The `operator` cannot be the caller.\\n *\\n * Emits an {ApprovalForAll} event.\\n */\\n function setApprovalForAll(address operator, bool _approved) external;\\n\\n /**\\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\\n *\\n * See {setApprovalForAll}\\n */\\n function isApprovedForAll(address owner, address operator) external view returns (bool);\\n\\n /**\\n * @dev Safely transfers `tokenId` token from `from` to `to`.\\n *\\n * Requirements:\\n *\\n * - `from` cannot be the zero address.\\n * - `to` cannot be the zero address.\\n * - `tokenId` token must exist and be owned by `from`.\\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\\n *\\n * Emits a {Transfer} event.\\n */\\n function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;\\n}\\n\",\"keccak256\":\"0xb11597841d47f7a773bca63ca323c76f804cb5d944788de0327db5526319dc82\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC721/IERC721Enumerable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\nimport \\\"./IERC721.sol\\\";\\n\\n/**\\n * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension\\n * @dev See https://eips.ethereum.org/EIPS/eip-721\\n */\\ninterface IERC721Enumerable is IERC721 {\\n\\n /**\\n * @dev Returns the total amount of tokens stored by the contract.\\n */\\n function totalSupply() external view returns (uint256);\\n\\n /**\\n * @dev Returns a token ID owned by `owner` at a given `index` of its token list.\\n * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.\\n */\\n function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);\\n\\n /**\\n * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.\\n * Use along with {totalSupply} to enumerate all tokens.\\n */\\n function tokenByIndex(uint256 index) external view returns (uint256);\\n}\\n\",\"keccak256\":\"0x2789dfea2d73182683d637db5729201f6730dae6113030a94c828f8688f38f2f\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC721/IERC721Metadata.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\nimport \\\"./IERC721.sol\\\";\\n\\n/**\\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\\n * @dev See https://eips.ethereum.org/EIPS/eip-721\\n */\\ninterface IERC721Metadata is IERC721 {\\n\\n /**\\n * @dev Returns the token collection name.\\n */\\n function name() external view returns (string memory);\\n\\n /**\\n * @dev Returns the token collection symbol.\\n */\\n function symbol() external view returns (string memory);\\n\\n /**\\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\\n */\\n function tokenURI(uint256 tokenId) external view returns (string memory);\\n}\\n\",\"keccak256\":\"0xc82c7d1d732081d9bd23f1555ebdf8f3bc1738bc42c2bfc4b9aa7564d9fa3573\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Address.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\n/**\\n * @dev Collection of functions related to the address type\\n */\\nlibrary Address {\\n /**\\n * @dev Returns true if `account` is a contract.\\n *\\n * [IMPORTANT]\\n * ====\\n * It is unsafe to assume that an address for which this function returns\\n * false is an externally-owned account (EOA) and not a contract.\\n *\\n * Among others, `isContract` will return false for the following\\n * types of addresses:\\n *\\n * - an externally-owned account\\n * - a contract in construction\\n * - an address where a contract will be created\\n * - an address where a contract lived, but was destroyed\\n * ====\\n */\\n function isContract(address account) internal view returns (bool) {\\n // This method relies on extcodesize, which returns 0 for contracts in\\n // construction, since the code is only stored at the end of the\\n // constructor execution.\\n\\n uint256 size;\\n // solhint-disable-next-line no-inline-assembly\\n assembly { size := extcodesize(account) }\\n return size > 0;\\n }\\n\\n /**\\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\\n * `recipient`, forwarding all available gas and reverting on errors.\\n *\\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\\n * imposed by `transfer`, making them unable to receive funds via\\n * `transfer`. {sendValue} removes this limitation.\\n *\\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\\n *\\n * IMPORTANT: because control is transferred to `recipient`, care must be\\n * taken to not create reentrancy vulnerabilities. Consider using\\n * {ReentrancyGuard} or the\\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\\n */\\n function sendValue(address payable recipient, uint256 amount) internal {\\n require(address(this).balance >= amount, \\\"Address: insufficient balance\\\");\\n\\n // solhint-disable-next-line avoid-low-level-calls, avoid-call-value\\n (bool success, ) = recipient.call{ value: amount }(\\\"\\\");\\n require(success, \\\"Address: unable to send value, recipient may have reverted\\\");\\n }\\n\\n /**\\n * @dev Performs a Solidity function call using a low level `call`. A\\n * plain`call` is an unsafe replacement for a function call: use this\\n * function instead.\\n *\\n * If `target` reverts with a revert reason, it is bubbled up by this\\n * function (like regular Solidity function calls).\\n *\\n * Returns the raw returned data. To convert to the expected return value,\\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\\n *\\n * Requirements:\\n *\\n * - `target` must be a contract.\\n * - calling `target` with `data` must not revert.\\n *\\n * _Available since v3.1._\\n */\\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\\n return functionCall(target, data, \\\"Address: low-level call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\\n * `errorMessage` as a fallback revert reason when `target` reverts.\\n *\\n * _Available since v3.1._\\n */\\n function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\\n return functionCallWithValue(target, data, 0, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but also transferring `value` wei to `target`.\\n *\\n * Requirements:\\n *\\n * - the calling contract must have an ETH balance of at least `value`.\\n * - the called Solidity function must be `payable`.\\n *\\n * _Available since v3.1._\\n */\\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\\n return functionCallWithValue(target, data, value, \\\"Address: low-level call with value failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\\n * with `errorMessage` as a fallback revert reason when `target` reverts.\\n *\\n * _Available since v3.1._\\n */\\n function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {\\n require(address(this).balance >= value, \\\"Address: insufficient balance for call\\\");\\n require(isContract(target), \\\"Address: call to non-contract\\\");\\n\\n // solhint-disable-next-line avoid-low-level-calls\\n (bool success, bytes memory returndata) = target.call{ value: value }(data);\\n return _verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but performing a static call.\\n *\\n * _Available since v3.3._\\n */\\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\\n return functionStaticCall(target, data, \\\"Address: low-level static call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n * but performing a static call.\\n *\\n * _Available since v3.3._\\n */\\n function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {\\n require(isContract(target), \\\"Address: static call to non-contract\\\");\\n\\n // solhint-disable-next-line avoid-low-level-calls\\n (bool success, bytes memory returndata) = target.staticcall(data);\\n return _verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but performing a delegate call.\\n *\\n * _Available since v3.4._\\n */\\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\\n return functionDelegateCall(target, data, \\\"Address: low-level delegate call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n * but performing a delegate call.\\n *\\n * _Available since v3.4._\\n */\\n function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\\n require(isContract(target), \\\"Address: delegate call to non-contract\\\");\\n\\n // solhint-disable-next-line avoid-low-level-calls\\n (bool success, bytes memory returndata) = target.delegatecall(data);\\n return _verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {\\n if (success) {\\n return returndata;\\n } else {\\n // Look for revert reason and bubble it up if present\\n if (returndata.length > 0) {\\n // The easiest way to bubble the revert reason is using memory via assembly\\n\\n // solhint-disable-next-line no-inline-assembly\\n assembly {\\n let returndata_size := mload(returndata)\\n revert(add(32, returndata), returndata_size)\\n }\\n } else {\\n revert(errorMessage);\\n }\\n }\\n }\\n}\\n\",\"keccak256\":\"0xf89f005a3d98f7768cdee2583707db0ac725cf567d455751af32ee68132f3db3\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Context.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\n/*\\n * @dev Provides information about the current execution context, including the\\n * sender of the transaction and its data. While these are generally available\\n * via msg.sender and msg.data, they should not be accessed in such a direct\\n * manner, since when dealing with GSN meta-transactions the account sending and\\n * paying for execution may not be the actual sender (as far as an application\\n * is concerned).\\n *\\n * This contract is only required for intermediate, library-like contracts.\\n */\\nabstract contract Context {\\n function _msgSender() internal view virtual returns (address payable) {\\n return msg.sender;\\n }\\n\\n function _msgData() internal view virtual returns (bytes memory) {\\n this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691\\n return msg.data;\\n }\\n}\\n\",\"keccak256\":\"0x8d3cb350f04ff49cfb10aef08d87f19dcbaecc8027b0bed12f3275cd12f38cf0\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/SafeCast.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.7.0;\\n\\n\\n/**\\n * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow\\n * checks.\\n *\\n * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can\\n * easily result in undesired exploitation or bugs, since developers usually\\n * assume that overflows raise errors. `SafeCast` restores this intuition by\\n * reverting the transaction when such an operation overflows.\\n *\\n * Using this library instead of the unchecked operations eliminates an entire\\n * class of bugs, so it's recommended to use it always.\\n *\\n * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing\\n * all math on `uint256` and `int256` and then downcasting.\\n */\\nlibrary SafeCast {\\n\\n /**\\n * @dev Returns the downcasted uint128 from uint256, reverting on\\n * overflow (when the input is greater than largest uint128).\\n *\\n * Counterpart to Solidity's `uint128` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 128 bits\\n */\\n function toUint128(uint256 value) internal pure returns (uint128) {\\n require(value < 2**128, \\\"SafeCast: value doesn\\\\'t fit in 128 bits\\\");\\n return uint128(value);\\n }\\n\\n /**\\n * @dev Returns the downcasted uint64 from uint256, reverting on\\n * overflow (when the input is greater than largest uint64).\\n *\\n * Counterpart to Solidity's `uint64` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 64 bits\\n */\\n function toUint64(uint256 value) internal pure returns (uint64) {\\n require(value < 2**64, \\\"SafeCast: value doesn\\\\'t fit in 64 bits\\\");\\n return uint64(value);\\n }\\n\\n /**\\n * @dev Returns the downcasted uint32 from uint256, reverting on\\n * overflow (when the input is greater than largest uint32).\\n *\\n * Counterpart to Solidity's `uint32` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 32 bits\\n */\\n function toUint32(uint256 value) internal pure returns (uint32) {\\n require(value < 2**32, \\\"SafeCast: value doesn\\\\'t fit in 32 bits\\\");\\n return uint32(value);\\n }\\n\\n /**\\n * @dev Returns the downcasted uint16 from uint256, reverting on\\n * overflow (when the input is greater than largest uint16).\\n *\\n * Counterpart to Solidity's `uint16` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 16 bits\\n */\\n function toUint16(uint256 value) internal pure returns (uint16) {\\n require(value < 2**16, \\\"SafeCast: value doesn\\\\'t fit in 16 bits\\\");\\n return uint16(value);\\n }\\n\\n /**\\n * @dev Returns the downcasted uint8 from uint256, reverting on\\n * overflow (when the input is greater than largest uint8).\\n *\\n * Counterpart to Solidity's `uint8` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 8 bits.\\n */\\n function toUint8(uint256 value) internal pure returns (uint8) {\\n require(value < 2**8, \\\"SafeCast: value doesn\\\\'t fit in 8 bits\\\");\\n return uint8(value);\\n }\\n\\n /**\\n * @dev Converts a signed int256 into an unsigned uint256.\\n *\\n * Requirements:\\n *\\n * - input must be greater than or equal to 0.\\n */\\n function toUint256(int256 value) internal pure returns (uint256) {\\n require(value >= 0, \\\"SafeCast: value must be positive\\\");\\n return uint256(value);\\n }\\n\\n /**\\n * @dev Returns the downcasted int128 from int256, reverting on\\n * overflow (when the input is less than smallest int128 or\\n * greater than largest int128).\\n *\\n * Counterpart to Solidity's `int128` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 128 bits\\n *\\n * _Available since v3.1._\\n */\\n function toInt128(int256 value) internal pure returns (int128) {\\n require(value >= -2**127 && value < 2**127, \\\"SafeCast: value doesn\\\\'t fit in 128 bits\\\");\\n return int128(value);\\n }\\n\\n /**\\n * @dev Returns the downcasted int64 from int256, reverting on\\n * overflow (when the input is less than smallest int64 or\\n * greater than largest int64).\\n *\\n * Counterpart to Solidity's `int64` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 64 bits\\n *\\n * _Available since v3.1._\\n */\\n function toInt64(int256 value) internal pure returns (int64) {\\n require(value >= -2**63 && value < 2**63, \\\"SafeCast: value doesn\\\\'t fit in 64 bits\\\");\\n return int64(value);\\n }\\n\\n /**\\n * @dev Returns the downcasted int32 from int256, reverting on\\n * overflow (when the input is less than smallest int32 or\\n * greater than largest int32).\\n *\\n * Counterpart to Solidity's `int32` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 32 bits\\n *\\n * _Available since v3.1._\\n */\\n function toInt32(int256 value) internal pure returns (int32) {\\n require(value >= -2**31 && value < 2**31, \\\"SafeCast: value doesn\\\\'t fit in 32 bits\\\");\\n return int32(value);\\n }\\n\\n /**\\n * @dev Returns the downcasted int16 from int256, reverting on\\n * overflow (when the input is less than smallest int16 or\\n * greater than largest int16).\\n *\\n * Counterpart to Solidity's `int16` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 16 bits\\n *\\n * _Available since v3.1._\\n */\\n function toInt16(int256 value) internal pure returns (int16) {\\n require(value >= -2**15 && value < 2**15, \\\"SafeCast: value doesn\\\\'t fit in 16 bits\\\");\\n return int16(value);\\n }\\n\\n /**\\n * @dev Returns the downcasted int8 from int256, reverting on\\n * overflow (when the input is less than smallest int8 or\\n * greater than largest int8).\\n *\\n * Counterpart to Solidity's `int8` operator.\\n *\\n * Requirements:\\n *\\n * - input must fit into 8 bits.\\n *\\n * _Available since v3.1._\\n */\\n function toInt8(int256 value) internal pure returns (int8) {\\n require(value >= -2**7 && value < 2**7, \\\"SafeCast: value doesn\\\\'t fit in 8 bits\\\");\\n return int8(value);\\n }\\n\\n /**\\n * @dev Converts an unsigned uint256 into a signed int256.\\n *\\n * Requirements:\\n *\\n * - input must be less than or equal to maxInt256.\\n */\\n function toInt256(uint256 value) internal pure returns (int256) {\\n require(value < 2**255, \\\"SafeCast: value doesn't fit in an int256\\\");\\n return int256(value);\\n }\\n}\\n\",\"keccak256\":\"0x79004a1d1471abe87e92c4497acba06d5dfa5b1f3e9894a0991a7c4669c5c02c\",\"license\":\"MIT\"},\"@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\nimport './pool/IUniswapV3PoolImmutables.sol';\\nimport './pool/IUniswapV3PoolState.sol';\\nimport './pool/IUniswapV3PoolDerivedState.sol';\\nimport './pool/IUniswapV3PoolActions.sol';\\nimport './pool/IUniswapV3PoolOwnerActions.sol';\\nimport './pool/IUniswapV3PoolEvents.sol';\\n\\n/// @title The interface for a Uniswap V3 Pool\\n/// @notice A Uniswap pool facilitates swapping and automated market making between any two assets that strictly conform\\n/// to the ERC20 specification\\n/// @dev The pool interface is broken up into many smaller pieces\\ninterface IUniswapV3Pool is\\n IUniswapV3PoolImmutables,\\n IUniswapV3PoolState,\\n IUniswapV3PoolDerivedState,\\n IUniswapV3PoolActions,\\n IUniswapV3PoolOwnerActions,\\n IUniswapV3PoolEvents\\n{\\n\\n}\\n\",\"keccak256\":\"0xfe6113d518466cd6652c85b111e01f33eb62157f49ae5ed7d5a3947a2044adb1\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-core/contracts/interfaces/callback/IUniswapV3SwapCallback.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\n/// @title Callback for IUniswapV3PoolActions#swap\\n/// @notice Any contract that calls IUniswapV3PoolActions#swap must implement this interface\\ninterface IUniswapV3SwapCallback {\\n /// @notice Called to `msg.sender` after executing a swap via IUniswapV3Pool#swap.\\n /// @dev In the implementation you must pay the pool tokens owed for the swap.\\n /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory.\\n /// amount0Delta and amount1Delta can both be 0 if no tokens were swapped.\\n /// @param amount0Delta The amount of token0 that was sent (negative) or must be received (positive) by the pool by\\n /// the end of the swap. If positive, the callback must send that amount of token0 to the pool.\\n /// @param amount1Delta The amount of token1 that was sent (negative) or must be received (positive) by the pool by\\n /// the end of the swap. If positive, the callback must send that amount of token1 to the pool.\\n /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#swap call\\n function uniswapV3SwapCallback(\\n int256 amount0Delta,\\n int256 amount1Delta,\\n bytes calldata data\\n ) external;\\n}\\n\",\"keccak256\":\"0x3f485fb1a44e8fbeadefb5da07d66edab3cfe809f0ac4074b1e54e3eb3c4cf69\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-core/contracts/interfaces/pool/IUniswapV3PoolActions.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\n/// @title Permissionless pool actions\\n/// @notice Contains pool methods that can be called by anyone\\ninterface IUniswapV3PoolActions {\\n /// @notice Sets the initial price for the pool\\n /// @dev Price is represented as a sqrt(amountToken1/amountToken0) Q64.96 value\\n /// @param sqrtPriceX96 the initial sqrt price of the pool as a Q64.96\\n function initialize(uint160 sqrtPriceX96) external;\\n\\n /// @notice Adds liquidity for the given recipient/tickLower/tickUpper position\\n /// @dev The caller of this method receives a callback in the form of IUniswapV3MintCallback#uniswapV3MintCallback\\n /// in which they must pay any token0 or token1 owed for the liquidity. The amount of token0/token1 due depends\\n /// on tickLower, tickUpper, the amount of liquidity, and the current price.\\n /// @param recipient The address for which the liquidity will be created\\n /// @param tickLower The lower tick of the position in which to add liquidity\\n /// @param tickUpper The upper tick of the position in which to add liquidity\\n /// @param amount The amount of liquidity to mint\\n /// @param data Any data that should be passed through to the callback\\n /// @return amount0 The amount of token0 that was paid to mint the given amount of liquidity. Matches the value in the callback\\n /// @return amount1 The amount of token1 that was paid to mint the given amount of liquidity. Matches the value in the callback\\n function mint(\\n address recipient,\\n int24 tickLower,\\n int24 tickUpper,\\n uint128 amount,\\n bytes calldata data\\n ) external returns (uint256 amount0, uint256 amount1);\\n\\n /// @notice Collects tokens owed to a position\\n /// @dev Does not recompute fees earned, which must be done either via mint or burn of any amount of liquidity.\\n /// Collect must be called by the position owner. To withdraw only token0 or only token1, amount0Requested or\\n /// amount1Requested may be set to zero. To withdraw all tokens owed, caller may pass any value greater than the\\n /// actual tokens owed, e.g. type(uint128).max. Tokens owed may be from accumulated swap fees or burned liquidity.\\n /// @param recipient The address which should receive the fees collected\\n /// @param tickLower The lower tick of the position for which to collect fees\\n /// @param tickUpper The upper tick of the position for which to collect fees\\n /// @param amount0Requested How much token0 should be withdrawn from the fees owed\\n /// @param amount1Requested How much token1 should be withdrawn from the fees owed\\n /// @return amount0 The amount of fees collected in token0\\n /// @return amount1 The amount of fees collected in token1\\n function collect(\\n address recipient,\\n int24 tickLower,\\n int24 tickUpper,\\n uint128 amount0Requested,\\n uint128 amount1Requested\\n ) external returns (uint128 amount0, uint128 amount1);\\n\\n /// @notice Burn liquidity from the sender and account tokens owed for the liquidity to the position\\n /// @dev Can be used to trigger a recalculation of fees owed to a position by calling with an amount of 0\\n /// @dev Fees must be collected separately via a call to #collect\\n /// @param tickLower The lower tick of the position for which to burn liquidity\\n /// @param tickUpper The upper tick of the position for which to burn liquidity\\n /// @param amount How much liquidity to burn\\n /// @return amount0 The amount of token0 sent to the recipient\\n /// @return amount1 The amount of token1 sent to the recipient\\n function burn(\\n int24 tickLower,\\n int24 tickUpper,\\n uint128 amount\\n ) external returns (uint256 amount0, uint256 amount1);\\n\\n /// @notice Swap token0 for token1, or token1 for token0\\n /// @dev The caller of this method receives a callback in the form of IUniswapV3SwapCallback#uniswapV3SwapCallback\\n /// @param recipient The address to receive the output of the swap\\n /// @param zeroForOne The direction of the swap, true for token0 to token1, false for token1 to token0\\n /// @param amountSpecified The amount of the swap, which implicitly configures the swap as exact input (positive), or exact output (negative)\\n /// @param sqrtPriceLimitX96 The Q64.96 sqrt price limit. If zero for one, the price cannot be less than this\\n /// value after the swap. If one for zero, the price cannot be greater than this value after the swap\\n /// @param data Any data to be passed through to the callback\\n /// @return amount0 The delta of the balance of token0 of the pool, exact when negative, minimum when positive\\n /// @return amount1 The delta of the balance of token1 of the pool, exact when negative, minimum when positive\\n function swap(\\n address recipient,\\n bool zeroForOne,\\n int256 amountSpecified,\\n uint160 sqrtPriceLimitX96,\\n bytes calldata data\\n ) external returns (int256 amount0, int256 amount1);\\n\\n /// @notice Receive token0 and/or token1 and pay it back, plus a fee, in the callback\\n /// @dev The caller of this method receives a callback in the form of IUniswapV3FlashCallback#uniswapV3FlashCallback\\n /// @dev Can be used to donate underlying tokens pro-rata to currently in-range liquidity providers by calling\\n /// with 0 amount{0,1} and sending the donation amount(s) from the callback\\n /// @param recipient The address which will receive the token0 and token1 amounts\\n /// @param amount0 The amount of token0 to send\\n /// @param amount1 The amount of token1 to send\\n /// @param data Any data to be passed through to the callback\\n function flash(\\n address recipient,\\n uint256 amount0,\\n uint256 amount1,\\n bytes calldata data\\n ) external;\\n\\n /// @notice Increase the maximum number of price and liquidity observations that this pool will store\\n /// @dev This method is no-op if the pool already has an observationCardinalityNext greater than or equal to\\n /// the input observationCardinalityNext.\\n /// @param observationCardinalityNext The desired minimum number of observations for the pool to store\\n function increaseObservationCardinalityNext(uint16 observationCardinalityNext) external;\\n}\\n\",\"keccak256\":\"0x9453dd0e7442188667d01d9b65de3f1e14e9511ff3e303179a15f6fc267f7634\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-core/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\n/// @title Pool state that is not stored\\n/// @notice Contains view functions to provide information about the pool that is computed rather than stored on the\\n/// blockchain. The functions here may have variable gas costs.\\ninterface IUniswapV3PoolDerivedState {\\n /// @notice Returns the cumulative tick and liquidity as of each timestamp `secondsAgo` from the current block timestamp\\n /// @dev To get a time weighted average tick or liquidity-in-range, you must call this with two values, one representing\\n /// the beginning of the period and another for the end of the period. E.g., to get the last hour time-weighted average tick,\\n /// you must call it with secondsAgos = [3600, 0].\\n /// @dev The time weighted average tick represents the geometric time weighted average price of the pool, in\\n /// log base sqrt(1.0001) of token1 / token0. The TickMath library can be used to go from a tick value to a ratio.\\n /// @param secondsAgos From how long ago each cumulative tick and liquidity value should be returned\\n /// @return tickCumulatives Cumulative tick values as of each `secondsAgos` from the current block timestamp\\n /// @return secondsPerLiquidityCumulativeX128s Cumulative seconds per liquidity-in-range value as of each `secondsAgos` from the current block\\n /// timestamp\\n function observe(uint32[] calldata secondsAgos)\\n external\\n view\\n returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s);\\n\\n /// @notice Returns a snapshot of the tick cumulative, seconds per liquidity and seconds inside a tick range\\n /// @dev Snapshots must only be compared to other snapshots, taken over a period for which a position existed.\\n /// I.e., snapshots cannot be compared if a position is not held for the entire period between when the first\\n /// snapshot is taken and the second snapshot is taken.\\n /// @param tickLower The lower tick of the range\\n /// @param tickUpper The upper tick of the range\\n /// @return tickCumulativeInside The snapshot of the tick accumulator for the range\\n /// @return secondsPerLiquidityInsideX128 The snapshot of seconds per liquidity for the range\\n /// @return secondsInside The snapshot of seconds per liquidity for the range\\n function snapshotCumulativesInside(int24 tickLower, int24 tickUpper)\\n external\\n view\\n returns (\\n int56 tickCumulativeInside,\\n uint160 secondsPerLiquidityInsideX128,\\n uint32 secondsInside\\n );\\n}\\n\",\"keccak256\":\"0xe603ac5b17ecdee73ba2b27efdf386c257a19c14206e87eee77e2017b742d9e5\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-core/contracts/interfaces/pool/IUniswapV3PoolEvents.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\n/// @title Events emitted by a pool\\n/// @notice Contains all events emitted by the pool\\ninterface IUniswapV3PoolEvents {\\n /// @notice Emitted exactly once by a pool when #initialize is first called on the pool\\n /// @dev Mint/Burn/Swap cannot be emitted by the pool before Initialize\\n /// @param sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96\\n /// @param tick The initial tick of the pool, i.e. log base 1.0001 of the starting price of the pool\\n event Initialize(uint160 sqrtPriceX96, int24 tick);\\n\\n /// @notice Emitted when liquidity is minted for a given position\\n /// @param sender The address that minted the liquidity\\n /// @param owner The owner of the position and recipient of any minted liquidity\\n /// @param tickLower The lower tick of the position\\n /// @param tickUpper The upper tick of the position\\n /// @param amount The amount of liquidity minted to the position range\\n /// @param amount0 How much token0 was required for the minted liquidity\\n /// @param amount1 How much token1 was required for the minted liquidity\\n event Mint(\\n address sender,\\n address indexed owner,\\n int24 indexed tickLower,\\n int24 indexed tickUpper,\\n uint128 amount,\\n uint256 amount0,\\n uint256 amount1\\n );\\n\\n /// @notice Emitted when fees are collected by the owner of a position\\n /// @dev Collect events may be emitted with zero amount0 and amount1 when the caller chooses not to collect fees\\n /// @param owner The owner of the position for which fees are collected\\n /// @param tickLower The lower tick of the position\\n /// @param tickUpper The upper tick of the position\\n /// @param amount0 The amount of token0 fees collected\\n /// @param amount1 The amount of token1 fees collected\\n event Collect(\\n address indexed owner,\\n address recipient,\\n int24 indexed tickLower,\\n int24 indexed tickUpper,\\n uint128 amount0,\\n uint128 amount1\\n );\\n\\n /// @notice Emitted when a position's liquidity is removed\\n /// @dev Does not withdraw any fees earned by the liquidity position, which must be withdrawn via #collect\\n /// @param owner The owner of the position for which liquidity is removed\\n /// @param tickLower The lower tick of the position\\n /// @param tickUpper The upper tick of the position\\n /// @param amount The amount of liquidity to remove\\n /// @param amount0 The amount of token0 withdrawn\\n /// @param amount1 The amount of token1 withdrawn\\n event Burn(\\n address indexed owner,\\n int24 indexed tickLower,\\n int24 indexed tickUpper,\\n uint128 amount,\\n uint256 amount0,\\n uint256 amount1\\n );\\n\\n /// @notice Emitted by the pool for any swaps between token0 and token1\\n /// @param sender The address that initiated the swap call, and that received the callback\\n /// @param recipient The address that received the output of the swap\\n /// @param amount0 The delta of the token0 balance of the pool\\n /// @param amount1 The delta of the token1 balance of the pool\\n /// @param sqrtPriceX96 The sqrt(price) of the pool after the swap, as a Q64.96\\n /// @param liquidity The liquidity of the pool after the swap\\n /// @param tick The log base 1.0001 of price of the pool after the swap\\n event Swap(\\n address indexed sender,\\n address indexed recipient,\\n int256 amount0,\\n int256 amount1,\\n uint160 sqrtPriceX96,\\n uint128 liquidity,\\n int24 tick\\n );\\n\\n /// @notice Emitted by the pool for any flashes of token0/token1\\n /// @param sender The address that initiated the swap call, and that received the callback\\n /// @param recipient The address that received the tokens from flash\\n /// @param amount0 The amount of token0 that was flashed\\n /// @param amount1 The amount of token1 that was flashed\\n /// @param paid0 The amount of token0 paid for the flash, which can exceed the amount0 plus the fee\\n /// @param paid1 The amount of token1 paid for the flash, which can exceed the amount1 plus the fee\\n event Flash(\\n address indexed sender,\\n address indexed recipient,\\n uint256 amount0,\\n uint256 amount1,\\n uint256 paid0,\\n uint256 paid1\\n );\\n\\n /// @notice Emitted by the pool for increases to the number of observations that can be stored\\n /// @dev observationCardinalityNext is not the observation cardinality until an observation is written at the index\\n /// just before a mint/swap/burn.\\n /// @param observationCardinalityNextOld The previous value of the next observation cardinality\\n /// @param observationCardinalityNextNew The updated value of the next observation cardinality\\n event IncreaseObservationCardinalityNext(\\n uint16 observationCardinalityNextOld,\\n uint16 observationCardinalityNextNew\\n );\\n\\n /// @notice Emitted when the protocol fee is changed by the pool\\n /// @param feeProtocol0Old The previous value of the token0 protocol fee\\n /// @param feeProtocol1Old The previous value of the token1 protocol fee\\n /// @param feeProtocol0New The updated value of the token0 protocol fee\\n /// @param feeProtocol1New The updated value of the token1 protocol fee\\n event SetFeeProtocol(uint8 feeProtocol0Old, uint8 feeProtocol1Old, uint8 feeProtocol0New, uint8 feeProtocol1New);\\n\\n /// @notice Emitted when the collected protocol fees are withdrawn by the factory owner\\n /// @param sender The address that collects the protocol fees\\n /// @param recipient The address that receives the collected protocol fees\\n /// @param amount0 The amount of token0 protocol fees that is withdrawn\\n /// @param amount0 The amount of token1 protocol fees that is withdrawn\\n event CollectProtocol(address indexed sender, address indexed recipient, uint128 amount0, uint128 amount1);\\n}\\n\",\"keccak256\":\"0x8071514d0fe5d17d6fbd31c191cdfb703031c24e0ece3621d88ab10e871375cd\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-core/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\n/// @title Pool state that never changes\\n/// @notice These parameters are fixed for a pool forever, i.e., the methods will always return the same values\\ninterface IUniswapV3PoolImmutables {\\n /// @notice The contract that deployed the pool, which must adhere to the IUniswapV3Factory interface\\n /// @return The contract address\\n function factory() external view returns (address);\\n\\n /// @notice The first of the two tokens of the pool, sorted by address\\n /// @return The token contract address\\n function token0() external view returns (address);\\n\\n /// @notice The second of the two tokens of the pool, sorted by address\\n /// @return The token contract address\\n function token1() external view returns (address);\\n\\n /// @notice The pool's fee in hundredths of a bip, i.e. 1e-6\\n /// @return The fee\\n function fee() external view returns (uint24);\\n\\n /// @notice The pool tick spacing\\n /// @dev Ticks can only be used at multiples of this value, minimum of 1 and always positive\\n /// e.g.: a tickSpacing of 3 means ticks can be initialized every 3rd tick, i.e., ..., -6, -3, 0, 3, 6, ...\\n /// This value is an int24 to avoid casting even though it is always positive.\\n /// @return The tick spacing\\n function tickSpacing() external view returns (int24);\\n\\n /// @notice The maximum amount of position liquidity that can use any tick in the range\\n /// @dev This parameter is enforced per tick to prevent liquidity from overflowing a uint128 at any point, and\\n /// also prevents out-of-range liquidity from being used to prevent adding in-range liquidity to a pool\\n /// @return The max amount of liquidity per tick\\n function maxLiquidityPerTick() external view returns (uint128);\\n}\\n\",\"keccak256\":\"0xf6e5d2cd1139c4c276bdbc8e1d2b256e456c866a91f1b868da265c6d2685c3f7\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-core/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\n/// @title Permissioned pool actions\\n/// @notice Contains pool methods that may only be called by the factory owner\\ninterface IUniswapV3PoolOwnerActions {\\n /// @notice Set the denominator of the protocol's % share of the fees\\n /// @param feeProtocol0 new protocol fee for token0 of the pool\\n /// @param feeProtocol1 new protocol fee for token1 of the pool\\n function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external;\\n\\n /// @notice Collect the protocol fee accrued to the pool\\n /// @param recipient The address to which collected protocol fees should be sent\\n /// @param amount0Requested The maximum amount of token0 to send, can be 0 to collect fees in only token1\\n /// @param amount1Requested The maximum amount of token1 to send, can be 0 to collect fees in only token0\\n /// @return amount0 The protocol fee collected in token0\\n /// @return amount1 The protocol fee collected in token1\\n function collectProtocol(\\n address recipient,\\n uint128 amount0Requested,\\n uint128 amount1Requested\\n ) external returns (uint128 amount0, uint128 amount1);\\n}\\n\",\"keccak256\":\"0x759b78a2918af9e99e246dc3af084f654e48ef32bb4e4cb8a966aa3dcaece235\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-core/contracts/interfaces/pool/IUniswapV3PoolState.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\n/// @title Pool state that can change\\n/// @notice These methods compose the pool's state, and can change with any frequency including multiple times\\n/// per transaction\\ninterface IUniswapV3PoolState {\\n /// @notice The 0th storage slot in the pool stores many values, and is exposed as a single method to save gas\\n /// when accessed externally.\\n /// @return sqrtPriceX96 The current price of the pool as a sqrt(token1/token0) Q64.96 value\\n /// tick The current tick of the pool, i.e. according to the last tick transition that was run.\\n /// This value may not always be equal to SqrtTickMath.getTickAtSqrtRatio(sqrtPriceX96) if the price is on a tick\\n /// boundary.\\n /// observationIndex The index of the last oracle observation that was written,\\n /// observationCardinality The current maximum number of observations stored in the pool,\\n /// observationCardinalityNext The next maximum number of observations, to be updated when the observation.\\n /// feeProtocol The protocol fee for both tokens of the pool.\\n /// Encoded as two 4 bit values, where the protocol fee of token1 is shifted 4 bits and the protocol fee of token0\\n /// is the lower 4 bits. Used as the denominator of a fraction of the swap fee, e.g. 4 means 1/4th of the swap fee.\\n /// unlocked Whether the pool is currently locked to reentrancy\\n function slot0()\\n external\\n view\\n returns (\\n uint160 sqrtPriceX96,\\n int24 tick,\\n uint16 observationIndex,\\n uint16 observationCardinality,\\n uint16 observationCardinalityNext,\\n uint8 feeProtocol,\\n bool unlocked\\n );\\n\\n /// @notice The fee growth as a Q128.128 fees of token0 collected per unit of liquidity for the entire life of the pool\\n /// @dev This value can overflow the uint256\\n function feeGrowthGlobal0X128() external view returns (uint256);\\n\\n /// @notice The fee growth as a Q128.128 fees of token1 collected per unit of liquidity for the entire life of the pool\\n /// @dev This value can overflow the uint256\\n function feeGrowthGlobal1X128() external view returns (uint256);\\n\\n /// @notice The amounts of token0 and token1 that are owed to the protocol\\n /// @dev Protocol fees will never exceed uint128 max in either token\\n function protocolFees() external view returns (uint128 token0, uint128 token1);\\n\\n /// @notice The currently in range liquidity available to the pool\\n /// @dev This value has no relationship to the total liquidity across all ticks\\n function liquidity() external view returns (uint128);\\n\\n /// @notice Look up information about a specific tick in the pool\\n /// @param tick The tick to look up\\n /// @return liquidityGross the total amount of position liquidity that uses the pool either as tick lower or\\n /// tick upper,\\n /// liquidityNet how much liquidity changes when the pool price crosses the tick,\\n /// feeGrowthOutside0X128 the fee growth on the other side of the tick from the current tick in token0,\\n /// feeGrowthOutside1X128 the fee growth on the other side of the tick from the current tick in token1,\\n /// tickCumulativeOutside the cumulative tick value on the other side of the tick from the current tick\\n /// secondsPerLiquidityOutsideX128 the seconds spent per liquidity on the other side of the tick from the current tick,\\n /// secondsOutside the seconds spent on the other side of the tick from the current tick,\\n /// initialized Set to true if the tick is initialized, i.e. liquidityGross is greater than 0, otherwise equal to false.\\n /// Outside values can only be used if the tick is initialized, i.e. if liquidityGross is greater than 0.\\n /// In addition, these values are only relative and must be used only in comparison to previous snapshots for\\n /// a specific position.\\n function ticks(int24 tick)\\n external\\n view\\n returns (\\n uint128 liquidityGross,\\n int128 liquidityNet,\\n uint256 feeGrowthOutside0X128,\\n uint256 feeGrowthOutside1X128,\\n int56 tickCumulativeOutside,\\n uint160 secondsPerLiquidityOutsideX128,\\n uint32 secondsOutside,\\n bool initialized\\n );\\n\\n /// @notice Returns 256 packed tick initialized boolean values. See TickBitmap for more information\\n function tickBitmap(int16 wordPosition) external view returns (uint256);\\n\\n /// @notice Returns the information about a position by the position's key\\n /// @param key The position's key is a hash of a preimage composed by the owner, tickLower and tickUpper\\n /// @return _liquidity The amount of liquidity in the position,\\n /// Returns feeGrowthInside0LastX128 fee growth of token0 inside the tick range as of the last mint/burn/poke,\\n /// Returns feeGrowthInside1LastX128 fee growth of token1 inside the tick range as of the last mint/burn/poke,\\n /// Returns tokensOwed0 the computed amount of token0 owed to the position as of the last mint/burn/poke,\\n /// Returns tokensOwed1 the computed amount of token1 owed to the position as of the last mint/burn/poke\\n function positions(bytes32 key)\\n external\\n view\\n returns (\\n uint128 _liquidity,\\n uint256 feeGrowthInside0LastX128,\\n uint256 feeGrowthInside1LastX128,\\n uint128 tokensOwed0,\\n uint128 tokensOwed1\\n );\\n\\n /// @notice Returns data about a specific observation index\\n /// @param index The element of the observations array to fetch\\n /// @dev You most likely want to use #observe() instead of this method to get an observation as of some amount of time\\n /// ago, rather than at a specific index in the array.\\n /// @return blockTimestamp The timestamp of the observation,\\n /// Returns tickCumulative the tick multiplied by seconds elapsed for the life of the pool as of the observation timestamp,\\n /// Returns secondsPerLiquidityCumulativeX128 the seconds per in range liquidity for the life of the pool as of the observation timestamp,\\n /// Returns initialized whether the observation has been initialized and the values are safe to use\\n function observations(uint256 index)\\n external\\n view\\n returns (\\n uint32 blockTimestamp,\\n int56 tickCumulative,\\n uint160 secondsPerLiquidityCumulativeX128,\\n bool initialized\\n );\\n}\\n\",\"keccak256\":\"0x852dc1f5df7dcf7f11e7bb3eed79f0cea72ad4b25f6a9d2c35aafb48925fd49f\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-core/contracts/libraries/LowGasSafeMath.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.7.0;\\n\\n/// @title Optimized overflow and underflow safe math operations\\n/// @notice Contains methods for doing math operations that revert on overflow or underflow for minimal gas cost\\nlibrary LowGasSafeMath {\\n /// @notice Returns x + y, reverts if sum overflows uint256\\n /// @param x The augend\\n /// @param y The addend\\n /// @return z The sum of x and y\\n function add(uint256 x, uint256 y) internal pure returns (uint256 z) {\\n require((z = x + y) >= x);\\n }\\n\\n /// @notice Returns x - y, reverts if underflows\\n /// @param x The minuend\\n /// @param y The subtrahend\\n /// @return z The difference of x and y\\n function sub(uint256 x, uint256 y) internal pure returns (uint256 z) {\\n require((z = x - y) <= x);\\n }\\n\\n /// @notice Returns x * y, reverts if overflows\\n /// @param x The multiplicand\\n /// @param y The multiplier\\n /// @return z The product of x and y\\n function mul(uint256 x, uint256 y) internal pure returns (uint256 z) {\\n require(x == 0 || (z = x * y) / x == y);\\n }\\n\\n /// @notice Returns x + y, reverts if overflows or underflows\\n /// @param x The augend\\n /// @param y The addend\\n /// @return z The sum of x and y\\n function add(int256 x, int256 y) internal pure returns (int256 z) {\\n require((z = x + y) >= x == (y >= 0));\\n }\\n\\n /// @notice Returns x - y, reverts if overflows or underflows\\n /// @param x The minuend\\n /// @param y The subtrahend\\n /// @return z The difference of x and y\\n function sub(int256 x, int256 y) internal pure returns (int256 z) {\\n require((z = x - y) <= x == (y >= 0));\\n }\\n}\\n\",\"keccak256\":\"0x86715eb960f18e01ac94e3bba4614ed51a887fa3c5bd1c43bf80aa98e019cf2d\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-core/contracts/libraries/TickMath.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0 <0.8.0;\\n\\n/// @title Math library for computing sqrt prices from ticks and vice versa\\n/// @notice Computes sqrt price for ticks of size 1.0001, i.e. sqrt(1.0001^tick) as fixed point Q64.96 numbers. Supports\\n/// prices between 2**-128 and 2**128\\nlibrary TickMath {\\n /// @dev The minimum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**-128\\n int24 internal constant MIN_TICK = -887272;\\n /// @dev The maximum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**128\\n int24 internal constant MAX_TICK = -MIN_TICK;\\n\\n /// @dev The minimum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MIN_TICK)\\n uint160 internal constant MIN_SQRT_RATIO = 4295128739;\\n /// @dev The maximum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MAX_TICK)\\n uint160 internal constant MAX_SQRT_RATIO = 1461446703485210103287273052203988822378723970342;\\n\\n /// @notice Calculates sqrt(1.0001^tick) * 2^96\\n /// @dev Throws if |tick| > max tick\\n /// @param tick The input tick for the above formula\\n /// @return sqrtPriceX96 A Fixed point Q64.96 number representing the sqrt of the ratio of the two assets (token1/token0)\\n /// at the given tick\\n function getSqrtRatioAtTick(int24 tick) internal pure returns (uint160 sqrtPriceX96) {\\n uint256 absTick = tick < 0 ? uint256(-int256(tick)) : uint256(int256(tick));\\n require(absTick <= uint256(MAX_TICK), 'T');\\n\\n uint256 ratio = absTick & 0x1 != 0 ? 0xfffcb933bd6fad37aa2d162d1a594001 : 0x100000000000000000000000000000000;\\n if (absTick & 0x2 != 0) ratio = (ratio * 0xfff97272373d413259a46990580e213a) >> 128;\\n if (absTick & 0x4 != 0) ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128;\\n if (absTick & 0x8 != 0) ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128;\\n if (absTick & 0x10 != 0) ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128;\\n if (absTick & 0x20 != 0) ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128;\\n if (absTick & 0x40 != 0) ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128;\\n if (absTick & 0x80 != 0) ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128;\\n if (absTick & 0x100 != 0) ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128;\\n if (absTick & 0x200 != 0) ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128;\\n if (absTick & 0x400 != 0) ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128;\\n if (absTick & 0x800 != 0) ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128;\\n if (absTick & 0x1000 != 0) ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128;\\n if (absTick & 0x2000 != 0) ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128;\\n if (absTick & 0x4000 != 0) ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128;\\n if (absTick & 0x8000 != 0) ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128;\\n if (absTick & 0x10000 != 0) ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128;\\n if (absTick & 0x20000 != 0) ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128;\\n if (absTick & 0x40000 != 0) ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128;\\n if (absTick & 0x80000 != 0) ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128;\\n\\n if (tick > 0) ratio = type(uint256).max / ratio;\\n\\n // this divides by 1<<32 rounding up to go from a Q128.128 to a Q128.96.\\n // we then downcast because we know the result always fits within 160 bits due to our tick input constraint\\n // we round up in the division so getTickAtSqrtRatio of the output price is always consistent\\n sqrtPriceX96 = uint160((ratio >> 32) + (ratio % (1 << 32) == 0 ? 0 : 1));\\n }\\n\\n /// @notice Calculates the greatest tick value such that getRatioAtTick(tick) <= ratio\\n /// @dev Throws in case sqrtPriceX96 < MIN_SQRT_RATIO, as MIN_SQRT_RATIO is the lowest value getRatioAtTick may\\n /// ever return.\\n /// @param sqrtPriceX96 The sqrt ratio for which to compute the tick as a Q64.96\\n /// @return tick The greatest tick for which the ratio is less than or equal to the input ratio\\n function getTickAtSqrtRatio(uint160 sqrtPriceX96) internal pure returns (int24 tick) {\\n // second inequality must be < because the price can never reach the price at the max tick\\n require(sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO, 'R');\\n uint256 ratio = uint256(sqrtPriceX96) << 32;\\n\\n uint256 r = ratio;\\n uint256 msb = 0;\\n\\n assembly {\\n let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))\\n msb := or(msb, f)\\n r := shr(f, r)\\n }\\n assembly {\\n let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF))\\n msb := or(msb, f)\\n r := shr(f, r)\\n }\\n assembly {\\n let f := shl(5, gt(r, 0xFFFFFFFF))\\n msb := or(msb, f)\\n r := shr(f, r)\\n }\\n assembly {\\n let f := shl(4, gt(r, 0xFFFF))\\n msb := or(msb, f)\\n r := shr(f, r)\\n }\\n assembly {\\n let f := shl(3, gt(r, 0xFF))\\n msb := or(msb, f)\\n r := shr(f, r)\\n }\\n assembly {\\n let f := shl(2, gt(r, 0xF))\\n msb := or(msb, f)\\n r := shr(f, r)\\n }\\n assembly {\\n let f := shl(1, gt(r, 0x3))\\n msb := or(msb, f)\\n r := shr(f, r)\\n }\\n assembly {\\n let f := gt(r, 0x1)\\n msb := or(msb, f)\\n }\\n\\n if (msb >= 128) r = ratio >> (msb - 127);\\n else r = ratio << (127 - msb);\\n\\n int256 log_2 = (int256(msb) - 128) << 64;\\n\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(63, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(62, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(61, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(60, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(59, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(58, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(57, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(56, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(55, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(54, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(53, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(52, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(51, f))\\n r := shr(f, r)\\n }\\n assembly {\\n r := shr(127, mul(r, r))\\n let f := shr(128, r)\\n log_2 := or(log_2, shl(50, f))\\n }\\n\\n int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number\\n\\n int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128);\\n int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128);\\n\\n tick = tickLow == tickHi ? tickLow : getSqrtRatioAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow;\\n }\\n}\\n\",\"keccak256\":\"0xda8c2c0b12d2976acfd364453ba5f5bf0117ba3c91175ee9e1067d3fb26944d9\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-periphery/contracts/interfaces/IERC721Permit.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.7.5;\\n\\nimport '@openzeppelin/contracts/token/ERC721/IERC721.sol';\\n\\n/// @title ERC721 with permit\\n/// @notice Extension to ERC721 that includes a permit function for signature based approvals\\ninterface IERC721Permit is IERC721 {\\n /// @notice The permit typehash used in the permit signature\\n /// @return The typehash for the permit\\n function PERMIT_TYPEHASH() external pure returns (bytes32);\\n\\n /// @notice The domain separator used in the permit signature\\n /// @return The domain seperator used in encoding of permit signature\\n function DOMAIN_SEPARATOR() external view returns (bytes32);\\n\\n /// @notice Approve of a specific token ID for spending by spender via signature\\n /// @param spender The account that is being approved\\n /// @param tokenId The ID of the token that is being approved for spending\\n /// @param deadline The deadline timestamp by which the call must be mined for the approve to work\\n /// @param v Must produce valid secp256k1 signature from the holder along with `r` and `s`\\n /// @param r Must produce valid secp256k1 signature from the holder along with `v` and `s`\\n /// @param s Must produce valid secp256k1 signature from the holder along with `r` and `v`\\n function permit(\\n address spender,\\n uint256 tokenId,\\n uint256 deadline,\\n uint8 v,\\n bytes32 r,\\n bytes32 s\\n ) external payable;\\n}\\n\",\"keccak256\":\"0x9e3c2a4ee65ddf95b2dfcb0815784eea3a295707e6f8b83e4c4f0f8fe2e3a1d4\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-periphery/contracts/interfaces/INonfungiblePositionManager.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.7.5;\\npragma abicoder v2;\\n\\nimport '@openzeppelin/contracts/token/ERC721/IERC721Metadata.sol';\\nimport '@openzeppelin/contracts/token/ERC721/IERC721Enumerable.sol';\\n\\nimport './IPoolInitializer.sol';\\nimport './IERC721Permit.sol';\\nimport './IPeripheryPayments.sol';\\nimport './IPeripheryImmutableState.sol';\\nimport '../libraries/PoolAddress.sol';\\n\\n/// @title Non-fungible token for positions\\n/// @notice Wraps Uniswap V3 positions in a non-fungible token interface which allows for them to be transferred\\n/// and authorized.\\ninterface INonfungiblePositionManager is\\n IPoolInitializer,\\n IPeripheryPayments,\\n IPeripheryImmutableState,\\n IERC721Metadata,\\n IERC721Enumerable,\\n IERC721Permit\\n{\\n /// @notice Emitted when liquidity is increased for a position NFT\\n /// @dev Also emitted when a token is minted\\n /// @param tokenId The ID of the token for which liquidity was increased\\n /// @param liquidity The amount by which liquidity for the NFT position was increased\\n /// @param amount0 The amount of token0 that was paid for the increase in liquidity\\n /// @param amount1 The amount of token1 that was paid for the increase in liquidity\\n event IncreaseLiquidity(uint256 indexed tokenId, uint128 liquidity, uint256 amount0, uint256 amount1);\\n /// @notice Emitted when liquidity is decreased for a position NFT\\n /// @param tokenId The ID of the token for which liquidity was decreased\\n /// @param liquidity The amount by which liquidity for the NFT position was decreased\\n /// @param amount0 The amount of token0 that was accounted for the decrease in liquidity\\n /// @param amount1 The amount of token1 that was accounted for the decrease in liquidity\\n event DecreaseLiquidity(uint256 indexed tokenId, uint128 liquidity, uint256 amount0, uint256 amount1);\\n /// @notice Emitted when tokens are collected for a position NFT\\n /// @dev The amounts reported may not be exactly equivalent to the amounts transferred, due to rounding behavior\\n /// @param tokenId The ID of the token for which underlying tokens were collected\\n /// @param recipient The address of the account that received the collected tokens\\n /// @param amount0 The amount of token0 owed to the position that was collected\\n /// @param amount1 The amount of token1 owed to the position that was collected\\n event Collect(uint256 indexed tokenId, address recipient, uint256 amount0, uint256 amount1);\\n\\n /// @notice Returns the position information associated with a given token ID.\\n /// @dev Throws if the token ID is not valid.\\n /// @param tokenId The ID of the token that represents the position\\n /// @return nonce The nonce for permits\\n /// @return operator The address that is approved for spending\\n /// @return token0 The address of the token0 for a specific pool\\n /// @return token1 The address of the token1 for a specific pool\\n /// @return fee The fee associated with the pool\\n /// @return tickLower The lower end of the tick range for the position\\n /// @return tickUpper The higher end of the tick range for the position\\n /// @return liquidity The liquidity of the position\\n /// @return feeGrowthInside0LastX128 The fee growth of token0 as of the last action on the individual position\\n /// @return feeGrowthInside1LastX128 The fee growth of token1 as of the last action on the individual position\\n /// @return tokensOwed0 The uncollected amount of token0 owed to the position as of the last computation\\n /// @return tokensOwed1 The uncollected amount of token1 owed to the position as of the last computation\\n function positions(uint256 tokenId)\\n external\\n view\\n returns (\\n uint96 nonce,\\n address operator,\\n address token0,\\n address token1,\\n uint24 fee,\\n int24 tickLower,\\n int24 tickUpper,\\n uint128 liquidity,\\n uint256 feeGrowthInside0LastX128,\\n uint256 feeGrowthInside1LastX128,\\n uint128 tokensOwed0,\\n uint128 tokensOwed1\\n );\\n\\n struct MintParams {\\n address token0;\\n address token1;\\n uint24 fee;\\n int24 tickLower;\\n int24 tickUpper;\\n uint256 amount0Desired;\\n uint256 amount1Desired;\\n uint256 amount0Min;\\n uint256 amount1Min;\\n address recipient;\\n uint256 deadline;\\n }\\n\\n /// @notice Creates a new position wrapped in a NFT\\n /// @dev Call this when the pool does exist and is initialized. Note that if the pool is created but not initialized\\n /// a method does not exist, i.e. the pool is assumed to be initialized.\\n /// @param params The params necessary to mint a position, encoded as `MintParams` in calldata\\n /// @return tokenId The ID of the token that represents the minted position\\n /// @return liquidity The amount of liquidity for this position\\n /// @return amount0 The amount of token0\\n /// @return amount1 The amount of token1\\n function mint(MintParams calldata params)\\n external\\n payable\\n returns (\\n uint256 tokenId,\\n uint128 liquidity,\\n uint256 amount0,\\n uint256 amount1\\n );\\n\\n struct IncreaseLiquidityParams {\\n uint256 tokenId;\\n uint256 amount0Desired;\\n uint256 amount1Desired;\\n uint256 amount0Min;\\n uint256 amount1Min;\\n uint256 deadline;\\n }\\n\\n /// @notice Increases the amount of liquidity in a position, with tokens paid by the `msg.sender`\\n /// @param params tokenId The ID of the token for which liquidity is being increased,\\n /// amount0Desired The desired amount of token0 to be spent,\\n /// amount1Desired The desired amount of token1 to be spent,\\n /// amount0Min The minimum amount of token0 to spend, which serves as a slippage check,\\n /// amount1Min The minimum amount of token1 to spend, which serves as a slippage check,\\n /// deadline The time by which the transaction must be included to effect the change\\n /// @return liquidity The new liquidity amount as a result of the increase\\n /// @return amount0 The amount of token0 to acheive resulting liquidity\\n /// @return amount1 The amount of token1 to acheive resulting liquidity\\n function increaseLiquidity(IncreaseLiquidityParams calldata params)\\n external\\n payable\\n returns (\\n uint128 liquidity,\\n uint256 amount0,\\n uint256 amount1\\n );\\n\\n struct DecreaseLiquidityParams {\\n uint256 tokenId;\\n uint128 liquidity;\\n uint256 amount0Min;\\n uint256 amount1Min;\\n uint256 deadline;\\n }\\n\\n /// @notice Decreases the amount of liquidity in a position and accounts it to the position\\n /// @param params tokenId The ID of the token for which liquidity is being decreased,\\n /// amount The amount by which liquidity will be decreased,\\n /// amount0Min The minimum amount of token0 that should be accounted for the burned liquidity,\\n /// amount1Min The minimum amount of token1 that should be accounted for the burned liquidity,\\n /// deadline The time by which the transaction must be included to effect the change\\n /// @return amount0 The amount of token0 accounted to the position's tokens owed\\n /// @return amount1 The amount of token1 accounted to the position's tokens owed\\n function decreaseLiquidity(DecreaseLiquidityParams calldata params)\\n external\\n payable\\n returns (uint256 amount0, uint256 amount1);\\n\\n struct CollectParams {\\n uint256 tokenId;\\n address recipient;\\n uint128 amount0Max;\\n uint128 amount1Max;\\n }\\n\\n /// @notice Collects up to a maximum amount of fees owed to a specific position to the recipient\\n /// @param params tokenId The ID of the NFT for which tokens are being collected,\\n /// recipient The account that should receive the tokens,\\n /// amount0Max The maximum amount of token0 to collect,\\n /// amount1Max The maximum amount of token1 to collect\\n /// @return amount0 The amount of fees collected in token0\\n /// @return amount1 The amount of fees collected in token1\\n function collect(CollectParams calldata params) external payable returns (uint256 amount0, uint256 amount1);\\n\\n /// @notice Burns a token ID, which deletes it from the NFT contract. The token must have 0 liquidity and all tokens\\n /// must be collected first.\\n /// @param tokenId The ID of the token that is being burned\\n function burn(uint256 tokenId) external payable;\\n}\\n\",\"keccak256\":\"0xe1dadc73e60bf05d0b4e0f05bd2847c5783e833cc10352c14763360b13495ee1\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-periphery/contracts/interfaces/IPeripheryImmutableState.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\n/// @title Immutable state\\n/// @notice Functions that return immutable state of the router\\ninterface IPeripheryImmutableState {\\n /// @return Returns the address of the Uniswap V3 factory\\n function factory() external view returns (address);\\n\\n /// @return Returns the address of WETH9\\n function WETH9() external view returns (address);\\n}\\n\",\"keccak256\":\"0x7affcfeb5127c0925a71d6a65345e117c33537523aeca7bc98085ead8452519d\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-periphery/contracts/interfaces/IPeripheryPayments.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.7.5;\\n\\n/// @title Periphery Payments\\n/// @notice Functions to ease deposits and withdrawals of ETH\\ninterface IPeripheryPayments {\\n /// @notice Unwraps the contract's WETH9 balance and sends it to recipient as ETH.\\n /// @dev The amountMinimum parameter prevents malicious contracts from stealing WETH9 from users.\\n /// @param amountMinimum The minimum amount of WETH9 to unwrap\\n /// @param recipient The address receiving ETH\\n function unwrapWETH9(uint256 amountMinimum, address recipient) external payable;\\n\\n /// @notice Refunds any ETH balance held by this contract to the `msg.sender`\\n /// @dev Useful for bundling with mint or increase liquidity that uses ether, or exact output swaps\\n /// that use ether for the input amount\\n function refundETH() external payable;\\n\\n /// @notice Transfers the full amount of a token held by this contract to recipient\\n /// @dev The amountMinimum parameter prevents malicious contracts from stealing the token from users\\n /// @param token The contract address of the token which will be transferred to `recipient`\\n /// @param amountMinimum The minimum amount of token required for a transfer\\n /// @param recipient The destination address of the token\\n function sweepToken(\\n address token,\\n uint256 amountMinimum,\\n address recipient\\n ) external payable;\\n}\\n\",\"keccak256\":\"0xb547e10f1e69bed03621a62b73a503e260643066c6b4054867a4d1fef47eb274\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-periphery/contracts/interfaces/IPoolInitializer.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.7.5;\\npragma abicoder v2;\\n\\n/// @title Creates and initializes V3 Pools\\n/// @notice Provides a method for creating and initializing a pool, if necessary, for bundling with other methods that\\n/// require the pool to exist.\\ninterface IPoolInitializer {\\n /// @notice Creates a new pool if it does not exist, then initializes if not initialized\\n /// @dev This method can be bundled with others via IMulticall for the first action (e.g. mint) performed against a pool\\n /// @param token0 The contract address of token0 of the pool\\n /// @param token1 The contract address of token1 of the pool\\n /// @param fee The fee amount of the v3 pool for the specified token pair\\n /// @param sqrtPriceX96 The initial square root price of the pool as a Q64.96 value\\n /// @return pool Returns the pool address based on the pair of tokens and fee, will return the newly created pool address if necessary\\n function createAndInitializePoolIfNecessary(\\n address token0,\\n address token1,\\n uint24 fee,\\n uint160 sqrtPriceX96\\n ) external payable returns (address pool);\\n}\\n\",\"keccak256\":\"0x9d7695e8d94c22cc5fcced602017aabb988de89981ea7bee29ea629d5328a862\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-periphery/contracts/libraries/BytesLib.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\n/*\\n * @title Solidity Bytes Arrays Utils\\n * @author Gon\\u00e7alo S\\u00e1 \\n *\\n * @dev Bytes tightly packed arrays utility library for ethereum contracts written in Solidity.\\n * The library lets you concatenate, slice and type cast bytes arrays both in memory and storage.\\n */\\npragma solidity >=0.5.0 <0.8.0;\\n\\nlibrary BytesLib {\\n function slice(\\n bytes memory _bytes,\\n uint256 _start,\\n uint256 _length\\n ) internal pure returns (bytes memory) {\\n require(_length + 31 >= _length, 'slice_overflow');\\n require(_start + _length >= _start, 'slice_overflow');\\n require(_bytes.length >= _start + _length, 'slice_outOfBounds');\\n\\n bytes memory tempBytes;\\n\\n assembly {\\n switch iszero(_length)\\n case 0 {\\n // Get a location of some free memory and store it in tempBytes as\\n // Solidity does for memory variables.\\n tempBytes := mload(0x40)\\n\\n // The first word of the slice result is potentially a partial\\n // word read from the original array. To read it, we calculate\\n // the length of that partial word and start copying that many\\n // bytes into the array. The first word we copy will start with\\n // data we don't care about, but the last `lengthmod` bytes will\\n // land at the beginning of the contents of the new array. When\\n // we're done copying, we overwrite the full first word with\\n // the actual length of the slice.\\n let lengthmod := and(_length, 31)\\n\\n // The multiplication in the next line is necessary\\n // because when slicing multiples of 32 bytes (lengthmod == 0)\\n // the following copy loop was copying the origin's length\\n // and then ending prematurely not copying everything it should.\\n let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod)))\\n let end := add(mc, _length)\\n\\n for {\\n // The multiplication in the next line has the same exact purpose\\n // as the one above.\\n let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start)\\n } lt(mc, end) {\\n mc := add(mc, 0x20)\\n cc := add(cc, 0x20)\\n } {\\n mstore(mc, mload(cc))\\n }\\n\\n mstore(tempBytes, _length)\\n\\n //update free-memory pointer\\n //allocating the array padded to 32 bytes like the compiler does now\\n mstore(0x40, and(add(mc, 31), not(31)))\\n }\\n //if we want a zero-length slice let's just return a zero-length array\\n default {\\n tempBytes := mload(0x40)\\n //zero out the 32 bytes slice we are about to return\\n //we need to do it because Solidity does not garbage collect\\n mstore(tempBytes, 0)\\n\\n mstore(0x40, add(tempBytes, 0x20))\\n }\\n }\\n\\n return tempBytes;\\n }\\n\\n function toAddress(bytes memory _bytes, uint256 _start) internal pure returns (address) {\\n require(_start + 20 >= _start, 'toAddress_overflow');\\n require(_bytes.length >= _start + 20, 'toAddress_outOfBounds');\\n address tempAddress;\\n\\n assembly {\\n tempAddress := div(mload(add(add(_bytes, 0x20), _start)), 0x1000000000000000000000000)\\n }\\n\\n return tempAddress;\\n }\\n\\n function toUint24(bytes memory _bytes, uint256 _start) internal pure returns (uint24) {\\n require(_start + 3 >= _start, 'toUint24_overflow');\\n require(_bytes.length >= _start + 3, 'toUint24_outOfBounds');\\n uint24 tempUint;\\n\\n assembly {\\n tempUint := mload(add(add(_bytes, 0x3), _start))\\n }\\n\\n return tempUint;\\n }\\n}\\n\",\"keccak256\":\"0x68629e5b1a30b6490c6ae721c28117f6f963745462b007da0769758eb67f10d4\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-periphery/contracts/libraries/CallbackValidation.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity =0.7.6;\\n\\nimport '@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol';\\nimport './PoolAddress.sol';\\n\\n/// @notice Provides validation for callbacks from Uniswap V3 Pools\\nlibrary CallbackValidation {\\n /// @notice Returns the address of a valid Uniswap V3 Pool\\n /// @param factory The contract address of the Uniswap V3 factory\\n /// @param tokenA The contract address of either token0 or token1\\n /// @param tokenB The contract address of the other token\\n /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip\\n /// @return pool The V3 pool contract address\\n function verifyCallback(\\n address factory,\\n address tokenA,\\n address tokenB,\\n uint24 fee\\n ) internal view returns (IUniswapV3Pool pool) {\\n return verifyCallback(factory, PoolAddress.getPoolKey(tokenA, tokenB, fee));\\n }\\n\\n /// @notice Returns the address of a valid Uniswap V3 Pool\\n /// @param factory The contract address of the Uniswap V3 factory\\n /// @param poolKey The identifying key of the V3 pool\\n /// @return pool The V3 pool contract address\\n function verifyCallback(address factory, PoolAddress.PoolKey memory poolKey)\\n internal\\n view\\n returns (IUniswapV3Pool pool)\\n {\\n pool = IUniswapV3Pool(PoolAddress.computeAddress(factory, poolKey));\\n require(msg.sender == address(pool));\\n }\\n}\\n\",\"keccak256\":\"0x490c80ca7f4a0ee0514041ddec0867e8a52b24febf1670991797af8fed9f3eec\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-periphery/contracts/libraries/Path.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.6.0;\\n\\nimport './BytesLib.sol';\\n\\n/// @title Functions for manipulating path data for multihop swaps\\nlibrary Path {\\n using BytesLib for bytes;\\n\\n /// @dev The length of the bytes encoded address\\n uint256 private constant ADDR_SIZE = 20;\\n /// @dev The length of the bytes encoded fee\\n uint256 private constant FEE_SIZE = 3;\\n\\n /// @dev The offset of a single token address and pool fee\\n uint256 private constant NEXT_OFFSET = ADDR_SIZE + FEE_SIZE;\\n /// @dev The offset of an encoded pool key\\n uint256 private constant POP_OFFSET = NEXT_OFFSET + ADDR_SIZE;\\n /// @dev The minimum length of an encoding that contains 2 or more pools\\n uint256 private constant MULTIPLE_POOLS_MIN_LENGTH = POP_OFFSET + NEXT_OFFSET;\\n\\n /// @notice Returns true iff the path contains two or more pools\\n /// @param path The encoded swap path\\n /// @return True if path contains two or more pools, otherwise false\\n function hasMultiplePools(bytes memory path) internal pure returns (bool) {\\n return path.length >= MULTIPLE_POOLS_MIN_LENGTH;\\n }\\n\\n /// @notice Returns the number of pools in the path\\n /// @param path The encoded swap path\\n /// @return The number of pools in the path\\n function numPools(bytes memory path) internal pure returns (uint256) {\\n // Ignore the first token address. From then on every fee and token offset indicates a pool.\\n return ((path.length - ADDR_SIZE) / NEXT_OFFSET);\\n }\\n\\n /// @notice Decodes the first pool in path\\n /// @param path The bytes encoded swap path\\n /// @return tokenA The first token of the given pool\\n /// @return tokenB The second token of the given pool\\n /// @return fee The fee level of the pool\\n function decodeFirstPool(bytes memory path)\\n internal\\n pure\\n returns (\\n address tokenA,\\n address tokenB,\\n uint24 fee\\n )\\n {\\n tokenA = path.toAddress(0);\\n fee = path.toUint24(ADDR_SIZE);\\n tokenB = path.toAddress(NEXT_OFFSET);\\n }\\n\\n /// @notice Gets the segment corresponding to the first pool in the path\\n /// @param path The bytes encoded swap path\\n /// @return The segment containing all data necessary to target the first pool in the path\\n function getFirstPool(bytes memory path) internal pure returns (bytes memory) {\\n return path.slice(0, POP_OFFSET);\\n }\\n\\n /// @notice Skips a token + fee element from the buffer and returns the remainder\\n /// @param path The swap path\\n /// @return The remaining token + fee elements in the path\\n function skipToken(bytes memory path) internal pure returns (bytes memory) {\\n return path.slice(NEXT_OFFSET, path.length - NEXT_OFFSET);\\n }\\n}\\n\",\"keccak256\":\"0xb22c562b5175d50dbcc2224325666090d985f052abdcfe275c8dfc884e34de61\",\"license\":\"GPL-2.0-or-later\"},\"@uniswap/v3-periphery/contracts/libraries/PoolAddress.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-2.0-or-later\\npragma solidity >=0.5.0;\\n\\n/// @title Provides functions for deriving a pool address from the factory, tokens, and the fee\\nlibrary PoolAddress {\\n bytes32 internal constant POOL_INIT_CODE_HASH = 0xe34f199b19b2b4f47f68442619d555527d244f78a3297ea89325f843f87b8b54;\\n\\n /// @notice The identifying key of the pool\\n struct PoolKey {\\n address token0;\\n address token1;\\n uint24 fee;\\n }\\n\\n /// @notice Returns PoolKey: the ordered tokens with the matched fee levels\\n /// @param tokenA The first token of a pool, unsorted\\n /// @param tokenB The second token of a pool, unsorted\\n /// @param fee The fee level of the pool\\n /// @return Poolkey The pool details with ordered token0 and token1 assignments\\n function getPoolKey(\\n address tokenA,\\n address tokenB,\\n uint24 fee\\n ) internal pure returns (PoolKey memory) {\\n if (tokenA > tokenB) (tokenA, tokenB) = (tokenB, tokenA);\\n return PoolKey({token0: tokenA, token1: tokenB, fee: fee});\\n }\\n\\n /// @notice Deterministically computes the pool address given the factory and PoolKey\\n /// @param factory The Uniswap V3 factory contract address\\n /// @param key The PoolKey\\n /// @return pool The contract address of the V3 pool\\n function computeAddress(address factory, PoolKey memory key) internal pure returns (address pool) {\\n require(key.token0 < key.token1);\\n pool = address(\\n uint256(\\n keccak256(\\n abi.encodePacked(\\n hex'ff',\\n factory,\\n keccak256(abi.encode(key.token0, key.token1, key.fee)),\\n POOL_INIT_CODE_HASH\\n )\\n )\\n )\\n );\\n }\\n}\\n\",\"keccak256\":\"0x5edd84eb8ba7c12fd8cb6cffe52e1e9f3f6464514ee5f539c2283826209035a2\",\"license\":\"GPL-2.0-or-later\"},\"src/FlashHedge.sol\":{\"content\":\"// SPDX-License-Identifier: agpl-3.0\\n\\npragma solidity =0.7.6;\\npragma abicoder v2;\\n\\nimport \\\"@openzeppelin/contracts/access/Ownable.sol\\\";\\nimport \\\"@openzeppelin/contracts/token/ERC20/SafeERC20.sol\\\";\\nimport \\\"./interfaces/IPerpetualMarket.sol\\\";\\nimport \\\"./base/BaseFlashSwap.sol\\\";\\n\\n/**\\n * @title FlashHedge\\n * @notice FlashHedge helps to swap underlying assets and USDC tokens with Uniswap for delta hedging.\\n * Error codes\\n * FH0: no enough usdc amount\\n * FH1: no enough usdc amount\\n * FH2: profit is less than minUsdc\\n * FH3: amounts must not be 0\\n * FH4: caller is not bot\\n */\\ncontract FlashHedge is BaseFlashSwap, Ownable {\\n using SafeERC20 for IERC20;\\n using LowGasSafeMath for uint256;\\n using LowGasSafeMath for int256;\\n\\n address public immutable collateral;\\n address public immutable underlying;\\n\\n /// @dev ETH:USDC uniswap pool\\n address public immutable ethUsdcPool;\\n\\n IPerpetualMarket private perpetualMarket;\\n\\n /// @dev bot address\\n address bot;\\n\\n struct FlashHedgeData {\\n uint256 amountUsdc;\\n uint256 amountUnderlying;\\n uint256 minUsdc;\\n bool withRebalance;\\n }\\n\\n enum FLASH_SOURCE {\\n FLASH_HEDGE_SELL,\\n FLASH_HEDGE_BUY\\n }\\n\\n event HedgeOnUniswap(address indexed hedger, uint256 hedgeTimestamp, uint256 minUsdc);\\n\\n modifier onlyBot() {\\n require(msg.sender == bot, \\\"FH4\\\");\\n _;\\n }\\n\\n constructor(\\n address _collateral,\\n address _underlying,\\n address _perpetualMarket,\\n address _uniswapFactory,\\n address _ethUsdcPool\\n ) BaseFlashSwap(_uniswapFactory) {\\n require(_collateral != address(0), \\\"invalid collateral address\\\");\\n require(_underlying != address(0), \\\"invalid underlying address\\\");\\n require(_perpetualMarket != address(0), \\\"invalid perpetual market address\\\");\\n require(_ethUsdcPool != address(0), \\\"invalid eth-usdc pool address\\\");\\n collateral = _collateral;\\n underlying = _underlying;\\n perpetualMarket = IPerpetualMarket(_perpetualMarket);\\n ethUsdcPool = _ethUsdcPool;\\n\\n bot = msg.sender;\\n }\\n\\n /**\\n * @notice uniswap flash swap callback function\\n * @dev this function will be called by flashswap callback function uniswapV3SwapCallback()\\n * @param _caller address of original function caller\\n * @param _amountToPay amount to pay back for flashswap\\n * @param _callData arbitrary data attached to callback\\n * @param _callSource identifier for which function triggered callback\\n */\\n function _executeOperation(\\n address _caller,\\n address, /*_tokenIn*/\\n address, /*_tokenOut*/\\n uint24, /*_fee*/\\n uint256 _amountToPay,\\n bytes memory _callData,\\n uint8 _callSource\\n ) internal override {\\n FlashHedgeData memory data = abi.decode(_callData, (FlashHedgeData));\\n\\n if (FLASH_SOURCE(_callSource) == FLASH_SOURCE.FLASH_HEDGE_SELL) {\\n uint256 amountUsdcToBuyETH = IERC20(collateral).balanceOf(address(this)).sub(data.minUsdc);\\n require(amountUsdcToBuyETH >= data.amountUsdc, \\\"FH0\\\");\\n\\n IERC20(collateral).approve(address(perpetualMarket), amountUsdcToBuyETH);\\n perpetualMarket.execHedge(data.withRebalance, amountUsdcToBuyETH);\\n\\n // Repay and safeTransfer profit\\n IERC20(underlying).safeTransfer(ethUsdcPool, _amountToPay);\\n IERC20(collateral).safeTransfer(_caller, data.minUsdc);\\n } else if (FLASH_SOURCE(_callSource) == FLASH_SOURCE.FLASH_HEDGE_BUY) {\\n uint256 amountUsdcReceiveFromPredy = _amountToPay.add(data.minUsdc);\\n\\n require(data.amountUsdc >= amountUsdcReceiveFromPredy, \\\"FH1\\\");\\n\\n IERC20(underlying).approve(address(perpetualMarket), data.amountUnderlying);\\n perpetualMarket.execHedge(data.withRebalance, amountUsdcReceiveFromPredy);\\n\\n // Repay and safeTransfer profit\\n IERC20(collateral).safeTransfer(ethUsdcPool, _amountToPay);\\n IERC20(collateral).safeTransfer(_caller, data.minUsdc);\\n }\\n }\\n\\n /**\\n * @notice Executes delta hedging by Uniswap\\n * @param _minUsdc minimum USDC amount the caller willing to receive\\n * @param _withRebalance exec hedge with rebalancing margin or not\\n */\\n function hedgeOnUniswap(uint256 _minUsdc, bool _withRebalance) external onlyBot {\\n (bool isBuyingETH, uint256 amountUsdc, uint256 amountEth) = perpetualMarket.getTokenAmountForHedging();\\n\\n require(amountUsdc > 0 && amountEth > 0, \\\"FH3\\\");\\n\\n if (isBuyingETH) {\\n _exactOutFlashSwap(\\n collateral,\\n underlying,\\n IUniswapV3Pool(ethUsdcPool).fee(),\\n amountEth,\\n amountUsdc, // max amount of USDC to send\\n uint8(FLASH_SOURCE.FLASH_HEDGE_BUY),\\n abi.encode(FlashHedgeData(amountUsdc, amountEth, _minUsdc, _withRebalance))\\n );\\n } else {\\n _exactInFlashSwap(\\n underlying,\\n collateral,\\n IUniswapV3Pool(ethUsdcPool).fee(),\\n amountEth,\\n amountUsdc, // min amount of USDC to receive\\n uint8(FLASH_SOURCE.FLASH_HEDGE_SELL),\\n abi.encode(FlashHedgeData(amountUsdc, amountEth, _minUsdc, _withRebalance))\\n );\\n }\\n\\n emit HedgeOnUniswap(msg.sender, block.timestamp, _minUsdc);\\n }\\n\\n /**\\n * @notice set bot address\\n * @param _bot bot address\\n */\\n function setBot(address _bot) external onlyOwner {\\n bot = _bot;\\n }\\n}\\n\",\"keccak256\":\"0xae45ed19ea137c1eb359cd4ab02c3c104e5ddc6743e521a7f943d9a5b1edca03\",\"license\":\"agpl-3.0\"},\"src/base/BaseFlashSwap.sol\":{\"content\":\"// SPDX-License-Identifier: GPL-3.0-only\\n//\\n// Original file is\\n// https://github.com/opynfinance/squeeth-monorepo/blob/main/packages/hardhat/contracts/strategy/base/StrategyFlashSwap.sol\\n\\npragma solidity =0.7.6;\\npragma abicoder v2;\\n\\n// interface\\nimport \\\"@uniswap/v3-core/contracts/interfaces/callback/IUniswapV3SwapCallback.sol\\\";\\nimport \\\"@uniswap/v3-periphery/contracts/interfaces/INonfungiblePositionManager.sol\\\";\\nimport \\\"@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol\\\";\\n\\n// lib\\nimport \\\"@uniswap/v3-core/contracts/libraries/LowGasSafeMath.sol\\\";\\nimport \\\"@uniswap/v3-periphery/contracts/libraries/Path.sol\\\";\\nimport \\\"@uniswap/v3-periphery/contracts/libraries/PoolAddress.sol\\\";\\nimport \\\"@uniswap/v3-periphery/contracts/libraries/CallbackValidation.sol\\\";\\nimport \\\"@uniswap/v3-core/contracts/libraries/TickMath.sol\\\";\\nimport \\\"@openzeppelin/contracts/utils/SafeCast.sol\\\";\\n\\ncontract BaseFlashSwap is IUniswapV3SwapCallback {\\n using Path for bytes;\\n using SafeCast for uint256;\\n using LowGasSafeMath for uint256;\\n using LowGasSafeMath for int256;\\n\\n /// @dev Uniswap factory address\\n address public immutable factory;\\n\\n struct SwapCallbackData {\\n bytes path;\\n address caller;\\n uint8 callSource;\\n bytes callData;\\n }\\n\\n /**\\n * @dev constructor\\n * @param _factory uniswap factory address\\n */\\n constructor(address _factory) {\\n require(_factory != address(0), \\\"invalid factory address\\\");\\n factory = _factory;\\n }\\n\\n /**\\n * @notice uniswap swap callback function for flashes\\n * @param amount0Delta amount of token0\\n * @param amount1Delta amount of token1\\n * @param _data callback data encoded as SwapCallbackData struct\\n */\\n function uniswapV3SwapCallback(\\n int256 amount0Delta,\\n int256 amount1Delta,\\n bytes calldata _data\\n ) external override {\\n require(amount0Delta > 0 || amount1Delta > 0); // swaps entirely within 0-liquidity regions are not supported\\n\\n SwapCallbackData memory data = abi.decode(_data, (SwapCallbackData));\\n (address tokenIn, address tokenOut, uint24 fee) = data.path.decodeFirstPool();\\n\\n //ensure that callback comes from uniswap pool\\n CallbackValidation.verifyCallback(factory, tokenIn, tokenOut, fee);\\n\\n //determine the amount that needs to be repaid as part of the flashswap\\n uint256 amountToPay = amount0Delta > 0 ? uint256(amount0Delta) : uint256(amount1Delta);\\n\\n //calls the function that uses the proceeds from flash swap and executes logic to have an amount of token to repay the flash swap\\n _executeOperation(data.caller, tokenIn, tokenOut, fee, amountToPay, data.callData, data.callSource);\\n }\\n\\n /**\\n * @notice execute an exact-in flash swap (specify an exact amount to pay)\\n * @param _tokenIn token address to sell\\n * @param _tokenOut token address to receive\\n * @param _fee pool fee\\n * @param _amountIn amount to sell\\n * @param _amountOutMinimum minimum amount to receive\\n * @param _callSource function call source\\n * @param _data arbitrary data assigned with the call\\n */\\n function _exactInFlashSwap(\\n address _tokenIn,\\n address _tokenOut,\\n uint24 _fee,\\n uint256 _amountIn,\\n uint256 _amountOutMinimum,\\n uint8 _callSource,\\n bytes memory _data\\n ) internal {\\n //calls internal uniswap swap function that will trigger a callback for the flash swap\\n uint256 amountOut = _exactInputInternal(\\n _amountIn,\\n address(this),\\n uint160(0),\\n SwapCallbackData({\\n path: abi.encodePacked(_tokenIn, _fee, _tokenOut),\\n caller: msg.sender,\\n callSource: _callSource,\\n callData: _data\\n })\\n );\\n\\n //slippage limit check\\n require(amountOut >= _amountOutMinimum, \\\"amount out less than min\\\");\\n }\\n\\n /**\\n * @notice execute an exact-out flash swap (specify an exact amount to receive)\\n * @param _tokenIn token address to sell\\n * @param _tokenOut token address to receive\\n * @param _fee pool fee\\n * @param _amountOut exact amount to receive\\n * @param _amountInMaximum maximum amount to sell\\n * @param _callSource function call source\\n * @param _data arbitrary data assigned with the call\\n */\\n function _exactOutFlashSwap(\\n address _tokenIn,\\n address _tokenOut,\\n uint24 _fee,\\n uint256 _amountOut,\\n uint256 _amountInMaximum,\\n uint8 _callSource,\\n bytes memory _data\\n ) internal {\\n //calls internal uniswap swap function that will trigger a callback for the flash swap\\n uint256 amountIn = _exactOutputInternal(\\n _amountOut,\\n address(this),\\n uint160(0),\\n SwapCallbackData({\\n path: abi.encodePacked(_tokenOut, _fee, _tokenIn),\\n caller: msg.sender,\\n callSource: _callSource,\\n callData: _data\\n })\\n );\\n\\n //slippage limit check\\n require(amountIn <= _amountInMaximum, \\\"amount in greater than max\\\");\\n }\\n\\n /**\\n * @notice function to be called by uniswap callback.\\n * @dev this function should be overridden by the child contract\\n * param _caller initial hedge function caller\\n * param _tokenIn token address sold\\n * param _tokenOut token address bought\\n * param _fee pool fee\\n * param _amountToPay amount to pay for the pool second token\\n * param _callData arbitrary data assigned with the flashswap call\\n * param _callSource function call source\\n */\\n function _executeOperation(\\n address, /*_caller*/\\n address, /*_tokenIn*/\\n address, /*_tokenOut*/\\n uint24, /*_fee*/\\n uint256, /*_amountToPay*/\\n bytes memory _callData,\\n uint8 _callSource\\n ) internal virtual {\\n // call PerpetualMarket.execHedge\\n }\\n\\n /**\\n * @notice internal function for exact-in swap on uniswap (specify exact amount to pay)\\n * @param _amountIn amount of token to pay\\n * @param _recipient recipient for receive\\n * @param _sqrtPriceLimitX96 price limit\\n * @return amount of token bought (amountOut)\\n */\\n function _exactInputInternal(\\n uint256 _amountIn,\\n address _recipient,\\n uint160 _sqrtPriceLimitX96,\\n SwapCallbackData memory data\\n ) private returns (uint256) {\\n (address tokenIn, address tokenOut, uint24 fee) = data.path.decodeFirstPool();\\n\\n //uniswap token0 has a lower address than token1\\n //if tokenIn 0 && _positionTrade > 0) || (_position < 0 && _positionTrade < 0)) {\\n newEntryPrice = (\\n _entryPrice.mul(int256(Math.abs(_position))).add(_tradePrice.mul(int256(Math.abs(_positionTrade))))\\n ).div(int256(Math.abs(_position.add(_positionTrade))));\\n } else if (\\n (_position > 0 && _positionTrade < 0 && newPosition > 0) ||\\n (_position < 0 && _positionTrade > 0 && newPosition < 0)\\n ) {\\n newEntryPrice = _entryPrice;\\n profitValue = (-_positionTrade).mul(_tradePrice.sub(_entryPrice)) / 1e8;\\n } else {\\n if (newPosition != 0) {\\n newEntryPrice = _tradePrice;\\n }\\n\\n profitValue = _position.mul(_tradePrice.sub(_entryPrice)) / 1e8;\\n }\\n }\\n}\\n\",\"keccak256\":\"0x76b69923c0d21ff5a04335743b0b4f64ff36a90df6154f030914231abf47c858\",\"license\":\"agpl-3.0\"},\"src/lib/Math.sol\":{\"content\":\"//SPDX-License-Identifier: agpl-3.0\\npragma solidity =0.7.6;\\n\\nimport \\\"@openzeppelin/contracts/math/SignedSafeMath.sol\\\";\\nimport \\\"@openzeppelin/contracts/math/SafeMath.sol\\\";\\n\\n/**\\n * Error codes\\n * M0: y is too small\\n * M1: y is too large\\n * M2: possible overflow\\n * M3: input should be positive number\\n * M4: cannot handle exponents greater than 100\\n */\\nlibrary Math {\\n using SafeMath for uint256;\\n using SignedSafeMath for int256;\\n\\n /// @dev Min exp\\n int256 private constant MIN_EXP = -63 * 1e8;\\n /// @dev Max exp\\n uint256 private constant MAX_EXP = 100 * 1e8;\\n /// @dev ln(2) scaled by 1e8\\n uint256 private constant LN_2_E8 = 69314718;\\n\\n /**\\n * @notice Return the addition of unsigned integer and sigined integer.\\n * when y is negative reverting on negative result and when y is positive reverting on overflow.\\n */\\n function addDelta(uint256 x, int256 y) internal pure returns (uint256 z) {\\n if (y < 0) {\\n require((z = x - uint256(-y)) < x, \\\"M0\\\");\\n } else {\\n require((z = x + uint256(y)) >= x, \\\"M1\\\");\\n }\\n }\\n\\n function abs(int256 x) internal pure returns (uint256) {\\n return uint256(x >= 0 ? x : -x);\\n }\\n\\n function min(int256 a, int256 b) internal pure returns (int256) {\\n return a > b ? b : a;\\n }\\n\\n function mulDiv(\\n int256 _x,\\n int256 _y,\\n int256 _d,\\n bool _roundUp\\n ) internal pure returns (int256) {\\n int256 tailing;\\n if (_roundUp) {\\n int256 remainer = (_x * _y) % _d;\\n if (remainer > 0) {\\n tailing = 1;\\n } else if (remainer < 0) {\\n tailing = -1;\\n }\\n }\\n\\n int256 result = (_x * _y) / _d + tailing;\\n\\n return result;\\n }\\n\\n /**\\n * @notice Returns scaled number.\\n * Reverts if the scaler is greater than 50.\\n */\\n function scale(\\n uint256 _a,\\n uint256 _from,\\n uint256 _to\\n ) internal pure returns (uint256) {\\n if (_from > _to) {\\n require(_from - _to < 70, \\\"M2\\\");\\n // (_from - _to) is safe because _from > _to.\\n // 10**(_from - _to) is safe because it's less than 10**70.\\n return _a.div(10**(_from - _to));\\n } else if (_from < _to) {\\n require(_to - _from < 70, \\\"M2\\\");\\n // (_to - _from) is safe because _to > _from.\\n // 10**(_to - _from) is safe because it's less than 10**70.\\n return _a.mul(10**(_to - _from));\\n } else {\\n return _a;\\n }\\n }\\n\\n /**\\n * @dev Calculates an approximate value of the logarithm of input value by Halley's method.\\n */\\n function log(uint256 x) internal pure returns (int256) {\\n int256 res;\\n int256 next;\\n\\n for (uint256 i = 0; i < 8; i++) {\\n int256 e = int256(exp(res));\\n next = res.add((int256(x).sub(e).mul(2)).mul(1e8).div(int256(x).add(e)));\\n if (next == res) {\\n break;\\n }\\n res = next;\\n }\\n\\n return res;\\n }\\n\\n /**\\n * @dev Returns the exponent of the value using Taylor expansion with support for negative numbers.\\n */\\n function exp(int256 x) internal pure returns (uint256) {\\n if (0 <= x) {\\n return exp(uint256(x));\\n } else if (x < MIN_EXP) {\\n // return 0 because `exp(-63) < 1e-27`\\n return 0;\\n } else {\\n return uint256(1e8).mul(1e8).div(exp(uint256(-x)));\\n }\\n }\\n\\n /**\\n * @dev Calculates the exponent of the value using Taylor expansion.\\n */\\n function exp(uint256 x) internal pure returns (uint256) {\\n if (x == 0) {\\n return 1e8;\\n }\\n require(x <= MAX_EXP, \\\"M4\\\");\\n\\n uint256 k = floor(x.mul(1e8).div(LN_2_E8)) / 1e8;\\n uint256 p = 2**k;\\n uint256 r = x.sub(k.mul(LN_2_E8));\\n\\n uint256 multiplier = 1e8;\\n\\n uint256 lastMultiplier;\\n for (uint256 i = 16; i > 0; i--) {\\n multiplier = multiplier.mul(r / i).div(1e8).add(1e8);\\n if (multiplier == lastMultiplier) {\\n break;\\n }\\n lastMultiplier = multiplier;\\n }\\n\\n return p.mul(multiplier);\\n }\\n\\n /**\\n * @dev Returns the floor of a 1e8\\n */\\n function floor(uint256 x) internal pure returns (uint256) {\\n return x - (x % 1e8);\\n }\\n}\\n\",\"keccak256\":\"0xf737bf7a070dc7bb0b6f3179c81d70938421a3cc39ddec72a4ba9fc97b60ab7a\",\"license\":\"agpl-3.0\"},\"src/lib/NettingLib.sol\":{\"content\":\"//SPDX-License-Identifier: agpl-3.0\\npragma solidity =0.7.6;\\n\\nimport \\\"@openzeppelin/contracts/utils/SafeCast.sol\\\";\\nimport \\\"@openzeppelin/contracts/math/SafeMath.sol\\\";\\nimport \\\"@openzeppelin/contracts/math/SignedSafeMath.sol\\\";\\nimport \\\"./Math.sol\\\";\\n\\n/**\\n * @title NettingLib\\n *\\n * HedgePositionValue = ETH * S + AmountUSDC\\n *\\n * Normally, Amount Locked is equal to HedgePositionValue.\\n * AMM adjusts the HedgePositionValue to be equal to the RequiredMargin\\n * by adding or decreasing AmountUSDC.\\n *\\n * --------------------------------------------------\\n * | Total Liquidity Amount |\\n * | Amount Locked |\\n * | ETH | AmountUSDC |\\n * --------------------------------------------------\\n *\\n * If RequiredMargin becomes smaller than ETH value that AMM has, AmountUSDC becomes negative.\\n *\\n * --------------------------------------------------\\n * | Total Liquidity Amount |\\n * | Amount Locked(10) |\\n * | ETH(15) |\\n * |AmountUSDC(-5)|\\n * --------------------------------------------------\\n *\\n * After hedge completed, AmountUSDC becomes positive.\\n *\\n * --------------------------------------------------\\n * | Total Liquidity Amount |\\n * | Amount Locked(10) |\\n * | ETH(6) |\\n * |AmountUSDC(4)|\\n * --------------------------------------------------\\n *\\n * Error codes\\n * N0: Unknown product id\\n * N1: Total delta must be greater than 0\\n * N2: No enough USDC\\n */\\nlibrary NettingLib {\\n using SafeCast for int256;\\n using SafeCast for uint128;\\n using SafeCast for uint256;\\n using SafeMath for uint256;\\n using SafeMath for uint128;\\n using SafeMath for int256;\\n using SignedSafeMath for int256;\\n using SignedSafeMath for int128;\\n\\n struct AddMarginParams {\\n int256 delta0;\\n int256 delta1;\\n int256 gamma1;\\n int256 spotPrice;\\n int256 poolMarginRiskParam;\\n }\\n\\n struct CompleteParams {\\n uint256 amountUsdc;\\n uint256 amountUnderlying;\\n uint256 futureWeight;\\n bool isLong;\\n }\\n\\n struct Info {\\n int256[2] amountsUsdc;\\n uint256 amountUnderlying;\\n }\\n\\n /**\\n * @notice Adds required margin for delta hedging\\n */\\n function addMargin(\\n Info storage _info,\\n uint256 _productId,\\n AddMarginParams memory _params\\n ) internal returns (int256 requiredMargin, int256 hedgePositionValue) {\\n int256 totalRequiredMargin = getRequiredMargin(_productId, _params);\\n\\n hedgePositionValue = getHedgePositionValue(_info, _params, _productId);\\n\\n requiredMargin = totalRequiredMargin.sub(hedgePositionValue);\\n\\n _info.amountsUsdc[_productId] = _info.amountsUsdc[_productId].add(requiredMargin);\\n }\\n\\n function getRequiredTokenAmountsForHedge(\\n uint256 _amountUnderlying,\\n int256[2] memory _deltas,\\n int256 _spotPrice\\n ) internal pure returns (CompleteParams memory completeParams) {\\n int256 totalUnderlyingPosition = _amountUnderlying.toInt256();\\n\\n // 1. Calculate required amount of underlying token\\n int256 requiredUnderlyingAmount;\\n {\\n // required amount is -(net delta)\\n requiredUnderlyingAmount = -_deltas[0].add(_deltas[1]).add(totalUnderlyingPosition);\\n\\n if (_deltas[0].add(_deltas[1]) > 0) {\\n // if pool delta is positive\\n requiredUnderlyingAmount = -totalUnderlyingPosition;\\n }\\n\\n completeParams.isLong = requiredUnderlyingAmount > 0;\\n }\\n\\n // 2. Calculate USDC and ETH amounts.\\n completeParams.amountUnderlying = Math.abs(requiredUnderlyingAmount);\\n completeParams.amountUsdc = (Math.abs(requiredUnderlyingAmount).mul(uint256(_spotPrice))) / 1e8;\\n\\n completeParams.futureWeight = calculateWeight(0, _deltas[0], _deltas[1]);\\n\\n return completeParams;\\n }\\n\\n /**\\n * @notice Completes delta hedging procedure\\n * Calculate holding amount of Underlying and USDC after a hedge.\\n */\\n function complete(Info storage _info, CompleteParams memory _params) internal {\\n uint256 amountRequired0 = _params.amountUsdc.mul(_params.futureWeight).div(1e16);\\n uint256 amountRequired1 = _params.amountUsdc.sub(amountRequired0);\\n\\n require(_params.amountUnderlying > 0, \\\"N1\\\");\\n\\n if (_params.isLong) {\\n _info.amountUnderlying = _info.amountUnderlying.add(_params.amountUnderlying);\\n\\n _info.amountsUsdc[0] = _info.amountsUsdc[0].sub(amountRequired0.toInt256());\\n _info.amountsUsdc[1] = _info.amountsUsdc[1].sub(amountRequired1.toInt256());\\n } else {\\n _info.amountUnderlying = _info.amountUnderlying.sub(_params.amountUnderlying);\\n\\n _info.amountsUsdc[0] = _info.amountsUsdc[0].add(amountRequired0.toInt256());\\n _info.amountsUsdc[1] = _info.amountsUsdc[1].add(amountRequired1.toInt256());\\n }\\n }\\n\\n /**\\n * @notice Gets required margin\\n * @param _productId Id of product to get required margin\\n * @param _params parameters to calculate required margin\\n * @return RequiredMargin scaled by 1e8\\n */\\n function getRequiredMargin(uint256 _productId, AddMarginParams memory _params) internal pure returns (int256) {\\n int256 weightedDelta = calculateWeightedDelta(_productId, _params.delta0, _params.delta1);\\n int256 deltaFromGamma = 0;\\n\\n if (_productId == 1) {\\n deltaFromGamma = _params.poolMarginRiskParam.mul(_params.spotPrice).mul(_params.gamma1).div(1e12);\\n }\\n\\n int256 requiredMargin = (\\n _params.spotPrice.mul(Math.abs(weightedDelta).add(Math.abs(deltaFromGamma)).toInt256())\\n ).div(1e8);\\n\\n return ((1e4 + _params.poolMarginRiskParam).mul(requiredMargin)).div(1e4);\\n }\\n\\n /**\\n * @notice Gets notional value of hedge positions\\n * HedgePositionValue_i = AmountsUsdc_i+(|delta_i| / (\\u03a3|delta_i|))*AmountUnderlying*S\\n * @return HedgePositionValue scaled by 1e8\\n */\\n function getHedgePositionValue(\\n Info memory _info,\\n AddMarginParams memory _params,\\n uint256 _productId\\n ) internal pure returns (int256) {\\n int256 totalHedgeNotional = _params.spotPrice.mul(_info.amountUnderlying.toInt256()).div(1e8);\\n\\n int256 productHedgeNotional = totalHedgeNotional\\n .mul(calculateWeight(0, _params.delta0, _params.delta1).toInt256())\\n .div(1e16);\\n\\n if (_productId == 1) {\\n productHedgeNotional = totalHedgeNotional.sub(productHedgeNotional);\\n }\\n\\n int256 hedgePositionValue = _info.amountsUsdc[_productId].add(productHedgeNotional);\\n\\n return hedgePositionValue;\\n }\\n\\n /**\\n * @notice Gets notional value of hedge positions\\n * HedgePositionValue_i = AmountsUsdc_0+AmountsUsdc_1+AmountUnderlying*S\\n * @return HedgePositionValue scaled by 1e8\\n */\\n function getTotalHedgePositionValue(Info memory _info, int256 _spotPrice) internal pure returns (int256) {\\n int256 hedgeNotional = _spotPrice.mul(_info.amountUnderlying.toInt256()).div(1e8);\\n\\n return (_info.amountsUsdc[0].add(_info.amountsUsdc[1])).add(hedgeNotional);\\n }\\n\\n /**\\n * @notice Calculates weighted delta\\n * WeightedDelta = |delta_i| * (\\u03a3delta_i) / (\\u03a3|delta_i|)\\n * @return weighted delta scaled by 1e8\\n */\\n function calculateWeightedDelta(\\n uint256 _productId,\\n int256 _delta0,\\n int256 _delta1\\n ) internal pure returns (int256) {\\n int256 netDelta = _delta0.add(_delta1);\\n\\n return netDelta.mul(calculateWeight(_productId, _delta0, _delta1).toInt256()).div(1e16);\\n }\\n\\n /**\\n * @notice Calculates delta weighted value\\n * WeightedDelta = |delta_i| / (\\u03a3|delta_i|)\\n * @return weighted delta scaled by 1e16\\n */\\n function calculateWeight(\\n uint256 _productId,\\n int256 _delta0,\\n int256 _delta1\\n ) internal pure returns (uint256) {\\n uint256 totalDelta = (Math.abs(_delta0).add(Math.abs(_delta1)));\\n\\n require(totalDelta >= 0, \\\"N1\\\");\\n\\n if (totalDelta == 0) {\\n return 0;\\n }\\n\\n if (_productId == 0) {\\n return (Math.abs(_delta0).mul(1e16)).div(totalDelta);\\n } else if (_productId == 1) {\\n return (Math.abs(_delta1).mul(1e16)).div(totalDelta);\\n } else {\\n revert(\\\"N0\\\");\\n }\\n }\\n}\\n\",\"keccak256\":\"0x70cdf7f78fd57b080557956bb3c7bcf7da407c8c35528d488e1714047d42cc53\",\"license\":\"agpl-3.0\"},\"src/lib/TraderVaultLib.sol\":{\"content\":\"//SPDX-License-Identifier: agpl-3.0\\npragma solidity =0.7.6;\\npragma abicoder v2;\\n\\nimport \\\"@openzeppelin/contracts/utils/SafeCast.sol\\\";\\nimport \\\"@openzeppelin/contracts/math/SafeMath.sol\\\";\\nimport \\\"@openzeppelin/contracts/math/SignedSafeMath.sol\\\";\\nimport \\\"../interfaces/IPerpetualMarketCore.sol\\\";\\nimport \\\"./Math.sol\\\";\\nimport \\\"./EntryPriceMath.sol\\\";\\n\\n/**\\n * @title TraderVaultLib\\n * @notice TraderVaultLib has functions to calculate position value and minimum collateral for implementing cross margin wallet.\\n *\\n * Data Structure\\n * Vault\\n * - PositionUSDC\\n * - SubVault0(PositionPerpetuals, EntryPrices, entryFundingFee)\\n * - SubVault1(PositionPerpetuals, EntryPrices, entryFundingFee)\\n * - ...\\n *\\n * PositionPerpetuals = [PositionSqueeth, PositionFuture]\\n * EntryPrices = [EntryPriceSqueeth, EntryPriceFuture]\\n * entryFundingFee = [entryFundingFeeqeeth, FundingFeeEntryValueFuture]\\n *\\n *\\n * Error codes\\n * T0: PositionValue must be greater than MinCollateral\\n * T1: PositionValue must be less than MinCollateral\\n * T2: Vault is insolvent\\n * T3: subVaultIndex is too large\\n * T4: position must not be 0\\n * T5: usdc to add must be positive\\n */\\nlibrary TraderVaultLib {\\n using SafeCast for int256;\\n using SafeCast for uint256;\\n using SafeCast for uint128;\\n using SafeMath for uint256;\\n using SignedSafeMath for int256;\\n using SignedSafeMath for int128;\\n\\n uint256 private constant MAX_PRODUCT_ID = 2;\\n\\n /// @dev minimum margin is 200 USDC\\n uint256 private constant MIN_MARGIN = 200 * 1e8;\\n\\n /// @dev risk parameter for MinCollateral calculation is 5.0%\\n uint256 private constant RISK_PARAM_FOR_VAULT = 500;\\n\\n struct SubVault {\\n int128[2] positionPerpetuals;\\n uint128[2] entryPrices;\\n int256[2] entryFundingFee;\\n }\\n\\n struct TraderVault {\\n int128 positionUsdc;\\n SubVault[] subVaults;\\n }\\n\\n /**\\n * @notice Gets amount of min collateral to add Squees/Future\\n * @param _traderVault trader vault object\\n * @param _tradeAmounts amount to trade\\n * @param _tradePriceInfo trade price info\\n * @return minCollateral and positionValue\\n */\\n function getMinCollateralToAddPosition(\\n TraderVault memory _traderVault,\\n int128[2] memory _tradeAmounts,\\n IPerpetualMarketCore.TradePriceInfo memory _tradePriceInfo\\n ) internal pure returns (int256 minCollateral) {\\n int128[2] memory positionPerpetuals = getPositionPerpetuals(_traderVault);\\n\\n for (uint256 i = 0; i < MAX_PRODUCT_ID; i++) {\\n positionPerpetuals[i] = positionPerpetuals[i].add(_tradeAmounts[i]).toInt128();\\n }\\n\\n minCollateral = calculateMinCollateral(positionPerpetuals, _tradePriceInfo);\\n }\\n\\n /**\\n * @notice Updates USDC position\\n * @param _traderVault trader vault object\\n * @param _usdcPositionToAdd amount to add. if positive then increase amount, if negative then decrease amount.\\n * @param _tradePriceInfo trade price info\\n * @return finalUsdcPosition positive means amount of deposited margin\\n * and negative means amount of withdrawn margin.\\n */\\n function updateUsdcPosition(\\n TraderVault storage _traderVault,\\n int256 _usdcPositionToAdd,\\n IPerpetualMarketCore.TradePriceInfo memory _tradePriceInfo\\n ) external returns (int256 finalUsdcPosition) {\\n finalUsdcPosition = _usdcPositionToAdd;\\n\\n int256 positionValue = getPositionValue(_traderVault, _tradePriceInfo);\\n int256 minCollateral = getMinCollateral(_traderVault, _tradePriceInfo);\\n int256 maxWithdrawable = positionValue - minCollateral;\\n\\n // If trader wants to withdraw all USDC, set maxWithdrawable.\\n if (_usdcPositionToAdd < -maxWithdrawable && maxWithdrawable > 0 && _usdcPositionToAdd < 0) {\\n finalUsdcPosition = -maxWithdrawable;\\n }\\n\\n _traderVault.positionUsdc = _traderVault.positionUsdc.add(finalUsdcPosition).toInt128();\\n\\n require(!checkVaultIsDanger(_traderVault, _tradePriceInfo), \\\"T0\\\");\\n }\\n\\n /**\\n * @notice Add USDC position\\n * @param _traderVault trader vault object\\n * @param _usdcPositionToAdd amount to add. value is always positive.\\n */\\n function addUsdcPosition(TraderVault storage _traderVault, int256 _usdcPositionToAdd) external {\\n require(_usdcPositionToAdd > 0, \\\"T5\\\");\\n\\n _traderVault.positionUsdc = _traderVault.positionUsdc.add(_usdcPositionToAdd).toInt128();\\n }\\n\\n /**\\n * @notice Gets total position of perpetuals in the vault\\n * @param _traderVault trader vault object\\n * @return positionPerpetuals are total amount of perpetual scaled by 1e8\\n */\\n function getPositionPerpetuals(TraderVault memory _traderVault)\\n internal\\n pure\\n returns (int128[2] memory positionPerpetuals)\\n {\\n for (uint256 i = 0; i < MAX_PRODUCT_ID; i++) {\\n positionPerpetuals[i] = getPositionPerpetual(_traderVault, i);\\n }\\n }\\n\\n /**\\n * @notice Gets position of a perpetual in the vault\\n * @param _traderVault trader vault object\\n * @param _productId product id\\n * @return positionPerpetual is amount of perpetual scaled by 1e8\\n */\\n function getPositionPerpetual(TraderVault memory _traderVault, uint256 _productId)\\n internal\\n pure\\n returns (int128 positionPerpetual)\\n {\\n for (uint256 i = 0; i < _traderVault.subVaults.length; i++) {\\n positionPerpetual = positionPerpetual\\n .add(_traderVault.subVaults[i].positionPerpetuals[_productId])\\n .toInt128();\\n }\\n }\\n\\n /**\\n * @notice Updates positions in the vault\\n * @param _traderVault trader vault object\\n * @param _subVaultIndex index of sub-vault\\n * @param _productId product id\\n * @param _positionPerpetual amount of position to increase or decrease\\n * @param _tradePrice trade price\\n * @param _fundingFeePerPosition entry funding fee paid per position\\n */\\n function updateVault(\\n TraderVault storage _traderVault,\\n uint256 _subVaultIndex,\\n uint256 _productId,\\n int128 _positionPerpetual,\\n uint256 _tradePrice,\\n int256 _fundingFeePerPosition\\n ) external returns (int256 roundedDeltaUsdcPosition, uint256 lpProfit) {\\n require(_positionPerpetual != 0, \\\"T4\\\");\\n\\n if (_traderVault.subVaults.length == _subVaultIndex) {\\n int128[2] memory positionPerpetuals;\\n uint128[2] memory entryPrices;\\n int256[2] memory entryFundingFee;\\n\\n _traderVault.subVaults.push(SubVault(positionPerpetuals, entryPrices, entryFundingFee));\\n } else {\\n require(_traderVault.subVaults.length > _subVaultIndex, \\\"T3\\\");\\n }\\n\\n SubVault storage subVault = _traderVault.subVaults[_subVaultIndex];\\n int256 deltaUsdcPosition;\\n\\n {\\n (int256 newEntryPrice, int256 profitValue) = EntryPriceMath.updateEntryPrice(\\n int256(subVault.entryPrices[_productId]),\\n subVault.positionPerpetuals[_productId],\\n int256(_tradePrice),\\n _positionPerpetual\\n );\\n\\n subVault.entryPrices[_productId] = newEntryPrice.toUint256().toUint128();\\n deltaUsdcPosition = deltaUsdcPosition.add(profitValue);\\n }\\n\\n {\\n (int256 newEntryFundingFee, int256 profitValue) = EntryPriceMath.updateEntryPrice(\\n int256(subVault.entryFundingFee[_productId]),\\n subVault.positionPerpetuals[_productId],\\n _fundingFeePerPosition,\\n _positionPerpetual\\n );\\n\\n subVault.entryFundingFee[_productId] = newEntryFundingFee;\\n deltaUsdcPosition = deltaUsdcPosition.sub(profitValue.div(1e8));\\n }\\n\\n // if deltaUsdcPosition is positive, round down to the second decimal place, if negative round up.\\n roundedDeltaUsdcPosition = Math.mulDiv(deltaUsdcPosition, 1, 1e6, deltaUsdcPosition < 0).mul(1e6);\\n\\n if (deltaUsdcPosition > roundedDeltaUsdcPosition) {\\n lpProfit = deltaUsdcPosition.sub(roundedDeltaUsdcPosition).toUint256();\\n }\\n\\n _traderVault.positionUsdc = _traderVault.positionUsdc.add(roundedDeltaUsdcPosition).toInt128();\\n\\n subVault.positionPerpetuals[_productId] = subVault\\n .positionPerpetuals[_productId]\\n .add(_positionPerpetual)\\n .toInt128();\\n }\\n\\n /**\\n * @notice Checks the vault is danger or not\\n * if PositionValue is less than MinCollateral return true\\n * otherwise return false\\n * @param _traderVault trader vault object\\n */\\n function checkVaultIsDanger(\\n TraderVault memory _traderVault,\\n IPerpetualMarketCore.TradePriceInfo memory _tradePriceInfo\\n ) internal pure returns (bool) {\\n int256 positionValue = getPositionValue(_traderVault, _tradePriceInfo);\\n\\n return positionValue < getMinCollateral(_traderVault, _tradePriceInfo);\\n }\\n\\n /**\\n * @notice Decreases liquidation reward from usdc position\\n * @param _traderVault trader vault object\\n * @param _minCollateral min collateral\\n * @param _liquidationFee liquidation fee rate\\n */\\n function decreaseLiquidationReward(\\n TraderVault storage _traderVault,\\n int256 _minCollateral,\\n int256 _liquidationFee\\n ) external returns (uint256) {\\n if (_traderVault.positionUsdc <= 0) {\\n return 0;\\n }\\n\\n int256 reward = _minCollateral.mul(_liquidationFee).div(1e4);\\n\\n // round down to the second decimal place.\\n reward = reward.div(1e6).mul(1e6);\\n\\n reward = Math.min(reward, _traderVault.positionUsdc);\\n\\n // reduce margin\\n // sub is safe because we know reward is less than positionUsdc\\n _traderVault.positionUsdc -= reward.toInt128();\\n\\n return reward.toUint256();\\n }\\n\\n /**\\n * @notice Gets min collateral of the vault\\n * @param _traderVault trader vault object\\n * @param _tradePriceInfo trade price info\\n * @return MinCollateral scaled by 1e8\\n */\\n function getMinCollateral(\\n TraderVault memory _traderVault,\\n IPerpetualMarketCore.TradePriceInfo memory _tradePriceInfo\\n ) internal pure returns (int256) {\\n int128[2] memory assetAmounts = getPositionPerpetuals(_traderVault);\\n\\n return calculateMinCollateral(assetAmounts, _tradePriceInfo);\\n }\\n\\n /**\\n * @notice Calculates min collateral\\n * MinCollateral = alpha*S*(|2*S*(1+fundingSqueeth)*PositionSqueeth + (1+fundingFuture)*PositionFuture| + 2*alpha*S*(1+fundingSqueeth)*|PositionSqueeth|)\\n * where alpha is 0.05\\n * @param positionPerpetuals amount of perpetual positions\\n * @param _tradePriceInfo trade price info\\n * @return MinCollateral scaled by 1e8\\n */\\n function calculateMinCollateral(\\n int128[2] memory positionPerpetuals,\\n IPerpetualMarketCore.TradePriceInfo memory _tradePriceInfo\\n ) internal pure returns (int256) {\\n // priceWithFunding = S*(1+fundingSqueeth)\\n int256 priceWithFunding = int256(_tradePriceInfo.spotPrice).mul(_tradePriceInfo.fundingRates[1].add(1e16)).div(\\n 1e8\\n );\\n\\n uint256 maxDelta = Math.abs(\\n (priceWithFunding.mul(positionPerpetuals[1]).mul(2).div(1e20)).add(\\n positionPerpetuals[0].mul(_tradePriceInfo.fundingRates[0].add(1e16)).div(1e16)\\n )\\n );\\n\\n maxDelta = maxDelta.add(\\n Math.abs(int256(RISK_PARAM_FOR_VAULT).mul(priceWithFunding).mul(2).mul(positionPerpetuals[1]).div(1e24))\\n );\\n\\n uint256 minCollateral = (RISK_PARAM_FOR_VAULT.mul(_tradePriceInfo.spotPrice).mul(maxDelta)) / 1e12;\\n\\n if ((positionPerpetuals[0] != 0 || positionPerpetuals[1] != 0) && minCollateral < MIN_MARGIN) {\\n minCollateral = MIN_MARGIN;\\n }\\n\\n return minCollateral.toInt256();\\n }\\n\\n /**\\n * @notice Gets position value in the vault\\n * PositionValue = USDC + \\u03a3(ValueOfSubVault_i)\\n * @param _traderVault trader vault object\\n * @param _tradePriceInfo trade price info\\n * @return PositionValue scaled by 1e8\\n */\\n function getPositionValue(\\n TraderVault memory _traderVault,\\n IPerpetualMarketCore.TradePriceInfo memory _tradePriceInfo\\n ) internal pure returns (int256) {\\n int256 value = _traderVault.positionUsdc;\\n\\n for (uint256 i = 0; i < _traderVault.subVaults.length; i++) {\\n value = value.add(getSubVaultPositionValue(_traderVault.subVaults[i], _tradePriceInfo));\\n }\\n\\n return value;\\n }\\n\\n /**\\n * @notice Gets position value in the sub-vault\\n * ValueOfSubVault = TotalPerpetualValueOfSubVault + TotalFundingFeePaidOfSubVault\\n * @param _subVault sub-vault object\\n * @param _tradePriceInfo trade price info\\n * @return ValueOfSubVault scaled by 1e8\\n */\\n function getSubVaultPositionValue(\\n SubVault memory _subVault,\\n IPerpetualMarketCore.TradePriceInfo memory _tradePriceInfo\\n ) internal pure returns (int256) {\\n return\\n getTotalPerpetualValueOfSubVault(_subVault, _tradePriceInfo).add(\\n getTotalFundingFeePaidOfSubVault(_subVault, _tradePriceInfo.amountsFundingPaidPerPosition)\\n );\\n }\\n\\n /**\\n * @notice Gets total perpetual value in the sub-vault\\n * TotalPerpetualValueOfSubVault = \\u03a3(PerpetualValueOfSubVault_i)\\n * @param _subVault sub-vault object\\n * @param _tradePriceInfo trade price info\\n * @return TotalPerpetualValueOfSubVault scaled by 1e8\\n */\\n function getTotalPerpetualValueOfSubVault(\\n SubVault memory _subVault,\\n IPerpetualMarketCore.TradePriceInfo memory _tradePriceInfo\\n ) internal pure returns (int256) {\\n int256 pnl;\\n\\n for (uint256 i = 0; i < MAX_PRODUCT_ID; i++) {\\n pnl = pnl.add(getPerpetualValueOfSubVault(_subVault, i, _tradePriceInfo));\\n }\\n\\n return pnl;\\n }\\n\\n /**\\n * @notice Gets perpetual value in the sub-vault\\n * PerpetualValueOfSubVault_i = (TradePrice_i - EntryPrice_i)*Position_i\\n * @param _subVault sub-vault object\\n * @param _productId product id\\n * @param _tradePriceInfo trade price info\\n * @return PerpetualValueOfSubVault_i scaled by 1e8\\n */\\n function getPerpetualValueOfSubVault(\\n SubVault memory _subVault,\\n uint256 _productId,\\n IPerpetualMarketCore.TradePriceInfo memory _tradePriceInfo\\n ) internal pure returns (int256) {\\n int256 pnl = _tradePriceInfo.tradePrices[_productId].sub(_subVault.entryPrices[_productId].toInt256()).mul(\\n _subVault.positionPerpetuals[_productId]\\n );\\n\\n return pnl / 1e8;\\n }\\n\\n /**\\n * @notice Gets total funding fee in the sub-vault\\n * TotalFundingFeePaidOfSubVault = \\u03a3(FundingFeePaidOfSubVault_i)\\n * @param _subVault sub-vault object\\n * @param _amountsFundingPaidPerPosition the cumulative funding fee paid by long per position\\n * @return TotalFundingFeePaidOfSubVault scaled by 1e8\\n */\\n function getTotalFundingFeePaidOfSubVault(\\n SubVault memory _subVault,\\n int256[2] memory _amountsFundingPaidPerPosition\\n ) internal pure returns (int256) {\\n int256 fundingFee;\\n\\n for (uint256 i = 0; i < MAX_PRODUCT_ID; i++) {\\n fundingFee = fundingFee.add(getFundingFeePaidOfSubVault(_subVault, i, _amountsFundingPaidPerPosition));\\n }\\n\\n return fundingFee;\\n }\\n\\n /**\\n * @notice Gets funding fee in the sub-vault\\n * FundingFeePaidOfSubVault_i = Position_i*(EntryFundingFee_i - FundingFeeGlobal_i)\\n * @param _subVault sub-vault object\\n * @param _productId product id\\n * @param _amountsFundingPaidPerPosition cumulative funding fee paid by long per position.\\n * @return FundingFeePaidOfSubVault_i scaled by 1e8\\n */\\n function getFundingFeePaidOfSubVault(\\n SubVault memory _subVault,\\n uint256 _productId,\\n int256[2] memory _amountsFundingPaidPerPosition\\n ) internal pure returns (int256) {\\n int256 fundingFee = _subVault.entryFundingFee[_productId].sub(_amountsFundingPaidPerPosition[_productId]).mul(\\n _subVault.positionPerpetuals[_productId]\\n );\\n\\n return fundingFee.div(1e16);\\n }\\n}\\n\",\"keccak256\":\"0x390c1efbddb42545060b7d9aede56187aa59b84b0dc82aa0dc65f09210879be5\",\"license\":\"agpl-3.0\"}},\"version\":1}", "bytecode": 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"devdoc": { "kind": "dev", "methods": { "hedgeOnUniswap(uint256,bool)": { "params": { "_minUsdc": "minimum USDC amount the caller willing to receive", "_withRebalance": "exec hedge with rebalancing margin or not" } }, "owner()": { "details": "Returns the address of the current owner." }, "renounceOwnership()": { "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner." }, "setBot(address)": { "params": { "_bot": "bot address" } }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." }, "uniswapV3SwapCallback(int256,int256,bytes)": { "params": { "_data": "callback data encoded as SwapCallbackData struct", "amount0Delta": "amount of token0", "amount1Delta": "amount of token1" } } }, "stateVariables": { "bot": { "details": "bot address" }, "ethUsdcPool": { "details": "ETH:USDC uniswap pool" } }, "title": "FlashHedge", "version": 1 }, "userdoc": { "kind": "user", "methods": { "hedgeOnUniswap(uint256,bool)": { "notice": "Executes delta hedging by Uniswap" }, "setBot(address)": { "notice": "set bot address" }, "uniswapV3SwapCallback(int256,int256,bytes)": { "notice": "uniswap swap callback function for flashes" } }, "notice": "FlashHedge helps to swap underlying assets and USDC tokens with Uniswap for delta hedging. Error codes FH0: no enough usdc amount FH1: no enough usdc amount FH2: profit is less than minUsdc FH3: amounts must not be 0 FH4: caller is not bot", "version": 1 }, "storageLayout": { "storage": [ { "astId": 53, "contract": "src/FlashHedge.sol:FlashHedge", "label": "_owner", "offset": 0, "slot": "0", "type": "t_address" }, { "astId": 6557, "contract": "src/FlashHedge.sol:FlashHedge", "label": "perpetualMarket", "offset": 0, "slot": "1", "type": "t_contract(IPerpetualMarket)12970" }, { "astId": 6560, "contract": "src/FlashHedge.sol:FlashHedge", "label": "bot", "offset": 0, "slot": "2", "type": "t_address" } ], "types": { "t_address": { "encoding": "inplace", "label": "address", "numberOfBytes": "20" }, "t_contract(IPerpetualMarket)12970": { "encoding": "inplace", "label": "contract IPerpetualMarket", "numberOfBytes": "20" } } } }