Router

[
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "_forwarder",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "_factoryRegistry",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "_defaultFactory",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "_weth",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "_rugController",
        "type": "address"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "constructor"
  },
  {
    "inputs": [
      {
        "internalType": "uint256[]",
        "name": "amounts",
        "type": "uint256[]"
      },
      {
        "components": [
          {
            "internalType": "address",
            "name": "from",
            "type": "address"
          },
          {
            "internalType": "address",
            "name": "to",
            "type": "address"
          },
          {
            "internalType": "bool",
            "name": "stable",
            "type": "bool"
          },
          {
            "internalType": "address",
            "name": "factory",
            "type": "address"
          }
        ],
        "internalType": "struct IRouter.Route[]",
        "name": "routes",
        "type": "tuple[]"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "UNSAFE_swapExactTokensForTokens",
    "outputs": [
      {
        "internalType": "uint256[]",
        "name": "",
        "type": "uint256[]"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "tokenA",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenB",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      },
      {
        "internalType": "uint256",
        "name": "amountADesired",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountBDesired",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountAMin",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountBMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "addLiquidity",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountA",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountB",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "liquidity",
        "type": "uint256"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "token",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      },
      {
        "internalType": "uint256",
        "name": "amountTokenDesired",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountTokenMin",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountETHMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "addLiquidityETH",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountToken",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountETH",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "liquidity",
        "type": "uint256"
      }
    ],
    "stateMutability": "payable",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "defaultFactory",
    "outputs": [
      {
        "internalType": "address",
        "name": "",
        "type": "address"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "factoryRegistry",
    "outputs": [
      {
        "internalType": "address",
        "name": "",
        "type": "address"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "amountIn",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "tokenIn",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenOut",
        "type": "address"
      }
    ],
    "name": "getAmountOut",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amount",
        "type": "uint256"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "amountIn",
        "type": "uint256"
      },
      {
        "components": [
          {
            "internalType": "address",
            "name": "from",
            "type": "address"
          },
          {
            "internalType": "address",
            "name": "to",
            "type": "address"
          },
          {
            "internalType": "bool",
            "name": "stable",
            "type": "bool"
          },
          {
            "internalType": "address",
            "name": "factory",
            "type": "address"
          }
        ],
        "internalType": "struct IRouter.Route[]",
        "name": "routes",
        "type": "tuple[]"
      }
    ],
    "name": "getAmountsOut",
    "outputs": [
      {
        "internalType": "uint256[]",
        "name": "amounts",
        "type": "uint256[]"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "tokenA",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenB",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      }
    ],
    "name": "getReserves",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "reserveA",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "reserveB",
        "type": "uint256"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "_factory",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "pair",
        "type": "address"
      }
    ],
    "name": "isPair",
    "outputs": [
      {
        "internalType": "bool",
        "name": "",
        "type": "bool"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "pair",
        "type": "address"
      }
    ],
    "name": "isPair",
    "outputs": [
      {
        "internalType": "bool",
        "name": "",
        "type": "bool"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "forwarder",
        "type": "address"
      }
    ],
    "name": "isTrustedForwarder",
    "outputs": [
      {
        "internalType": "bool",
        "name": "",
        "type": "bool"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "pairCodeHash",
    "outputs": [
      {
        "internalType": "bytes32",
        "name": "",
        "type": "bytes32"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "tokenA",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenB",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      }
    ],
    "name": "pairFor",
    "outputs": [
      {
        "internalType": "address",
        "name": "pair",
        "type": "address"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "_factory",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenA",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenB",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      }
    ],
    "name": "pairFor",
    "outputs": [
      {
        "internalType": "address",
        "name": "pair",
        "type": "address"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "tokenA",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenB",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      },
      {
        "internalType": "uint256",
        "name": "amountADesired",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountBDesired",
        "type": "uint256"
      }
    ],
    "name": "quoteAddLiquidity",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountA",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountB",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "liquidity",
        "type": "uint256"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "tokenA",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenB",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      },
      {
        "internalType": "uint256",
        "name": "liquidity",
        "type": "uint256"
      }
    ],
    "name": "quoteRemoveLiquidity",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountA",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountB",
        "type": "uint256"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "tokenA",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenB",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      },
      {
        "internalType": "uint256",
        "name": "liquidity",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountAMin",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountBMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "removeLiquidity",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountA",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountB",
        "type": "uint256"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "token",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      },
      {
        "internalType": "uint256",
        "name": "liquidity",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountTokenMin",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountETHMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "removeLiquidityETH",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountToken",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountETH",
        "type": "uint256"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "token",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      },
      {
        "internalType": "uint256",
        "name": "liquidity",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountTokenMin",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountETHMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      },
      {
        "internalType": "bool",
        "name": "approveMax",
        "type": "bool"
      },
      {
        "internalType": "uint8",
        "name": "v",
        "type": "uint8"
      },
      {
        "internalType": "bytes32",
        "name": "r",
        "type": "bytes32"
      },
      {
        "internalType": "bytes32",
        "name": "s",
        "type": "bytes32"
      }
    ],
    "name": "removeLiquidityETHWithPermit",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountToken",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountETH",
        "type": "uint256"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "tokenA",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenB",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      },
      {
        "internalType": "uint256",
        "name": "liquidity",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountAMin",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountBMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      },
      {
        "internalType": "bool",
        "name": "approveMax",
        "type": "bool"
      },
      {
        "internalType": "uint8",
        "name": "v",
        "type": "uint8"
      },
      {
        "internalType": "bytes32",
        "name": "r",
        "type": "bytes32"
      },
      {
        "internalType": "bytes32",
        "name": "s",
        "type": "bytes32"
      }
    ],
    "name": "removeLiquidityWithPermit",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountA",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountB",
        "type": "uint256"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "rugController",
    "outputs": [
      {
        "internalType": "address",
        "name": "",
        "type": "address"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "tokenA",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenB",
        "type": "address"
      }
    ],
    "name": "sortTokens",
    "outputs": [
      {
        "internalType": "address",
        "name": "token0",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "token1",
        "type": "address"
      }
    ],
    "stateMutability": "pure",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "pool",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "zeroForOne",
        "type": "bool"
      },
      {
        "internalType": "uint256",
        "name": "amountIn",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountOutMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint160",
        "name": "sqrtPriceLimitX96",
        "type": "uint160"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "swapCL",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountOut",
        "type": "uint256"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "bytes",
        "name": "path",
        "type": "bytes"
      },
      {
        "internalType": "uint256",
        "name": "amountIn",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountOutMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "swapCLMultiHop",
    "outputs": [
      {
        "internalType": "uint256",
        "name": "amountOut",
        "type": "uint256"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "amountOutMin",
        "type": "uint256"
      },
      {
        "components": [
          {
            "internalType": "address",
            "name": "from",
            "type": "address"
          },
          {
            "internalType": "address",
            "name": "to",
            "type": "address"
          },
          {
            "internalType": "bool",
            "name": "stable",
            "type": "bool"
          },
          {
            "internalType": "address",
            "name": "factory",
            "type": "address"
          }
        ],
        "internalType": "struct IRouter.Route[]",
        "name": "routes",
        "type": "tuple[]"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "swapExactETHForTokens",
    "outputs": [
      {
        "internalType": "uint256[]",
        "name": "amounts",
        "type": "uint256[]"
      }
    ],
    "stateMutability": "payable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "amountIn",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountOutMin",
        "type": "uint256"
      },
      {
        "components": [
          {
            "internalType": "address",
            "name": "from",
            "type": "address"
          },
          {
            "internalType": "address",
            "name": "to",
            "type": "address"
          },
          {
            "internalType": "bool",
            "name": "stable",
            "type": "bool"
          },
          {
            "internalType": "address",
            "name": "factory",
            "type": "address"
          }
        ],
        "internalType": "struct IRouter.Route[]",
        "name": "routes",
        "type": "tuple[]"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "swapExactTokensForETH",
    "outputs": [
      {
        "internalType": "uint256[]",
        "name": "amounts",
        "type": "uint256[]"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "amountIn",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountOutMin",
        "type": "uint256"
      },
      {
        "components": [
          {
            "internalType": "address",
            "name": "from",
            "type": "address"
          },
          {
            "internalType": "address",
            "name": "to",
            "type": "address"
          },
          {
            "internalType": "bool",
            "name": "stable",
            "type": "bool"
          },
          {
            "internalType": "address",
            "name": "factory",
            "type": "address"
          }
        ],
        "internalType": "struct IRouter.Route[]",
        "name": "routes",
        "type": "tuple[]"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "swapExactTokensForTokens",
    "outputs": [
      {
        "internalType": "uint256[]",
        "name": "amounts",
        "type": "uint256[]"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "amountIn",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountOutMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "tokenFrom",
        "type": "address"
      },
      {
        "internalType": "address",
        "name": "tokenTo",
        "type": "address"
      },
      {
        "internalType": "bool",
        "name": "stable",
        "type": "bool"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      }
    ],
    "name": "swapExactTokensForTokensSimple",
    "outputs": [
      {
        "internalType": "uint256[]",
        "name": "amounts",
        "type": "uint256[]"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "amountIn",
        "type": "uint256"
      },
      {
        "internalType": "uint256",
        "name": "amountOutMin",
        "type": "uint256"
      },
      {
        "components": [
          {
            "internalType": "address",
            "name": "from",
            "type": "address"
          },
          {
            "internalType": "address",
            "name": "to",
            "type": "address"
          },
          {
            "internalType": "bool",
            "name": "stable",
            "type": "bool"
          },
          {
            "internalType": "address",
            "name": "factory",
            "type": "address"
          }
        ],
        "internalType": "struct IRouter.Route[]",
        "name": "routes",
        "type": "tuple[]"
      },
      {
        "internalType": "address",
        "name": "to",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "deadline",
        "type": "uint256"
      },
      {
        "internalType": "bytes",
        "name": "data",
        "type": "bytes"
      }
    ],
    "name": "swapExactTokensForTokensWithData",
    "outputs": [
      {
        "internalType": "uint256[]",
        "name": "amounts",
        "type": "uint256[]"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "uint256",
        "name": "amountMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "recipient",
        "type": "address"
      }
    ],
    "name": "sweepETH",
    "outputs": [],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "token",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "amountMin",
        "type": "uint256"
      },
      {
        "internalType": "address",
        "name": "recipient",
        "type": "address"
      }
    ],
    "name": "sweepToken",
    "outputs": [],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [
      {
        "internalType": "int256",
        "name": "amount0Delta",
        "type": "int256"
      },
      {
        "internalType": "int256",
        "name": "amount1Delta",
        "type": "int256"
      },
      {
        "internalType": "bytes",
        "name": "",
        "type": "bytes"
      }
    ],
    "name": "uniswapV3SwapCallback",
    "outputs": [],
    "stateMutability": "nonpayable",
    "type": "function"
  },
  {
    "inputs": [],
    "name": "weth",
    "outputs": [
      {
        "internalType": "contract IWETH",
        "name": "",
        "type": "address"
      }
    ],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "stateMutability": "payable",
    "type": "receive"
  }
]

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity 0.8.19;

import "./libraries/Math.sol";
import "./interfaces/IERC20.sol";
import "./interfaces/IPair.sol";
import "./interfaces/IPairFactory.sol";
import "./interfaces/IWETH.sol";
import "./interfaces/IRouter.sol";
import "./interfaces/IFactoryRegistry.sol";
import "./interfaces/ICLPool.sol";
import "./interfaces/ICLFactory.sol";
import "./interfaces/ICLSwapCallback.sol";
import "./cl/libraries/TickMath.sol";
import "@openzeppelin/contracts/metatx/ERC2771Context.sol";
import "./interfaces/IRugController.sol";

contract Router is IRouter, ICLSwapCallback, ERC2771Context {

    uint internal constant MINIMUM_LIQUIDITY = 10**3;
    address public immutable factoryRegistry;
    address public immutable defaultFactory;
    IWETH public immutable weth;
    bytes32 public immutable pairCodeHash;

    /// @notice RugController for the random rug mechanic
    address public immutable rugController;

    modifier ensure(uint deadline) {
        require(deadline >= block.timestamp, "Router: EXPIRED");
        _;
    }

    constructor(address _forwarder, address _factoryRegistry, address _defaultFactory, address _weth, address _rugController) ERC2771Context(_forwarder) {
        factoryRegistry = _factoryRegistry;
        defaultFactory = _defaultFactory;
        require(IFactoryRegistry(factoryRegistry).isPairFactory(_defaultFactory), "Router: default factory not approved");
        pairCodeHash = IPairFactory(_defaultFactory).pairCodeHash();
        weth = IWETH(_weth);
        rugController = _rugController;
    }

    /// @notice Returns the effective factory for a route, defaulting to defaultFactory if not specified.
    function _routeFactory(Route memory route) internal view returns (address) {
        return route.factory == address(0) ? defaultFactory : route.factory;
    }

    /// @notice Verifies that a factory is approved by the FactoryRegistry.
    function _verifyFactory(address _factory) internal view {
        require(IFactoryRegistry(factoryRegistry).isPairFactory(_factory), "Router: factory not approved");
    }

    /// @dev only accept ETH via fallback from the WETH contract
    receive() external payable {
        assert(msg.sender == address(weth));
    }

    function sortTokens(address tokenA, address tokenB) public pure returns (address token0, address token1) {
        require(tokenA != tokenB, "Router: IDENTICAL_ADDRESSES");
        (token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
        require(token0 != address(0), "Router: ZERO_ADDRESS");
    }

    /// @dev Returns the pair for the default factory using CREATE2.
    function pairFor(address tokenA, address tokenB, bool stable) public view returns (address pair) {
        pair = pairFor(defaultFactory, tokenA, tokenB, stable);
    }

    /// @dev Looks up a pair from a specified factory, verifying the factory is approved.
    function pairFor(address _factory, address tokenA, address tokenB, bool stable) public view returns (address pair) {
        _verifyFactory(_factory);
        pair = IPairFactory(_factory).getPair(tokenA, tokenB, stable);
    }

    /// @dev Returns the effective pair for a Route, using the route's factory or the default.
    function _pairFor(Route memory route) internal view returns (address pair) {
        address _factory = _routeFactory(route);
        _verifyFactory(_factory);
        pair = IPairFactory(_factory).getPair(route.from, route.to, route.stable);
    }

    /// @dev given some amount of an asset and pair reserves, returns an equivalent amount of the other asset
    function quoteLiquidity(uint amountA, uint reserveA, uint reserveB) internal pure returns (uint amountB) {
        require(amountA > 0, "Router: INSUFFICIENT_AMOUNT");
        require(reserveA > 0 && reserveB > 0, "Router: INSUFFICIENT_LIQUIDITY");
        amountB = amountA * reserveB / reserveA;
    }

    /// @dev fetches and sorts the reserves for a pair
    function getReserves(address tokenA, address tokenB, bool stable) public view returns (uint reserveA, uint reserveB) {
        (address token0,) = sortTokens(tokenA, tokenB);
        (uint reserve0, uint reserve1,) = IPair(pairFor(tokenA, tokenB, stable)).getReserves();
        (reserveA, reserveB) = tokenA == token0 ? (reserve0, reserve1) : (reserve1, reserve0);
    }

    /// @dev performs chained getAmountOut calculations on any number of pairs
    function getAmountOut(uint amountIn, address tokenIn, address tokenOut) external view returns (uint amount, bool stable) {
        address pair = pairFor(tokenIn, tokenOut, true);
        uint amountStable;
        uint amountVolatile;
        if (IPairFactory(defaultFactory).isPair(pair)) {
            amountStable = IPair(pair).getAmountOut(amountIn, tokenIn);
        }
        pair = pairFor(tokenIn, tokenOut, false);
        if (IPairFactory(defaultFactory).isPair(pair)) {
            amountVolatile = IPair(pair).getAmountOut(amountIn, tokenIn);
        }
        return amountStable > amountVolatile ? (amountStable, true) : (amountVolatile, false);
    }

    /// @dev performs chained getAmountOut calculations on any number of pairs
    function getAmountsOut(uint amountIn, Route[] memory routes) public view returns (uint[] memory amounts) {
        require(routes.length >= 1, "Router: INVALID_PATH");
        amounts = new uint[](routes.length+1);
        amounts[0] = amountIn;
        for (uint i = 0; i < routes.length; i++) {
            address pair = _pairFor(routes[i]);
            if (pair != address(0)) {
                amounts[i+1] = IPair(pair).getAmountOut(amounts[i], routes[i].from);
            }
        }
    }

    function isPair(address pair) external view returns (bool) {
        return IPairFactory(defaultFactory).isPair(pair);
    }

    /// @notice Check if a pair exists in a specific approved factory.
    function isPair(address _factory, address pair) external view returns (bool) {
        _verifyFactory(_factory);
        return IPairFactory(_factory).isPair(pair);
    }

    function quoteAddLiquidity(
        address tokenA,
        address tokenB,
        bool stable,
        uint amountADesired,
        uint amountBDesired
    ) external view returns (uint amountA, uint amountB, uint liquidity) {
        // create the pair if it doesn't exist yet
        address _pair = IPairFactory(defaultFactory).getPair(tokenA, tokenB, stable);
        (uint reserveA, uint reserveB) = (0,0);
        uint _totalSupply = 0;
        if (_pair != address(0)) {
            _totalSupply = IERC20(_pair).totalSupply();
            (reserveA, reserveB) = getReserves(tokenA, tokenB, stable);
        }
        if (reserveA == 0 && reserveB == 0) {
            (amountA, amountB) = (amountADesired, amountBDesired);
            liquidity = Math.sqrt(amountA * amountB) - MINIMUM_LIQUIDITY;
        } else {

            uint amountBOptimal = quoteLiquidity(amountADesired, reserveA, reserveB);
            if (amountBOptimal <= amountBDesired) {
                (amountA, amountB) = (amountADesired, amountBOptimal);
                liquidity = Math.min(amountA * _totalSupply / reserveA, amountB * _totalSupply / reserveB);
            } else {
                uint amountAOptimal = quoteLiquidity(amountBDesired, reserveB, reserveA);
                (amountA, amountB) = (amountAOptimal, amountBDesired);
                liquidity = Math.min(amountA * _totalSupply / reserveA, amountB * _totalSupply / reserveB);
            }
        }
    }

    function quoteRemoveLiquidity(
        address tokenA,
        address tokenB,
        bool stable,
        uint liquidity
    ) external view returns (uint amountA, uint amountB) {
        // create the pair if it doesn't exist yet
        address _pair = IPairFactory(defaultFactory).getPair(tokenA, tokenB, stable);

        if (_pair == address(0)) {
            return (0,0);
        }

        (uint reserveA, uint reserveB) = getReserves(tokenA, tokenB, stable);
        uint _totalSupply = IERC20(_pair).totalSupply();

        amountA = liquidity * reserveA / _totalSupply; // using balances ensures pro-rata distribution
        amountB = liquidity * reserveB / _totalSupply; // using balances ensures pro-rata distribution

    }

    function _addLiquidity(
        address tokenA,
        address tokenB,
        bool stable,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin
    ) internal returns (uint amountA, uint amountB) {
        require(amountADesired >= amountAMin, "Router: invalid desired amountA");
        require(amountBDesired >= amountBMin, "Router: invalid desired amountB");
        // create the pair if it doesn't exist yet
        address _pair = IPairFactory(defaultFactory).getPair(tokenA, tokenB, stable);
        if (_pair == address(0)) {
            _pair = IPairFactory(defaultFactory).createPair(tokenA, tokenB, stable);
        }
        (uint reserveA, uint reserveB) = getReserves(tokenA, tokenB, stable);
        if (reserveA == 0 && reserveB == 0) {
            (amountA, amountB) = (amountADesired, amountBDesired);
        } else {
            uint amountBOptimal = quoteLiquidity(amountADesired, reserveA, reserveB);
            if (amountBOptimal <= amountBDesired) {
                require(amountBOptimal >= amountBMin, "Router: INSUFFICIENT_B_AMOUNT");
                (amountA, amountB) = (amountADesired, amountBOptimal);
            } else {
                uint amountAOptimal = quoteLiquidity(amountBDesired, reserveB, reserveA);
                assert(amountAOptimal <= amountADesired);
                require(amountAOptimal >= amountAMin, "Router: INSUFFICIENT_A_AMOUNT");
                (amountA, amountB) = (amountAOptimal, amountBDesired);
            }
        }
    }

    function addLiquidity(
        address tokenA,
        address tokenB,
        bool stable,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external ensure(deadline) returns (uint amountA, uint amountB, uint liquidity) {
        (amountA, amountB) = _addLiquidity(tokenA, tokenB, stable, amountADesired, amountBDesired, amountAMin, amountBMin);
        address pair = pairFor(tokenA, tokenB, stable);
        _safeTransferFrom(tokenA, _msgSender(), pair, amountA);
        _safeTransferFrom(tokenB, _msgSender(), pair, amountB);
        liquidity = IPair(pair).mint(to);
    }

    function addLiquidityETH(
        address token,
        bool stable,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable ensure(deadline) returns (uint amountToken, uint amountETH, uint liquidity) {
        (amountToken, amountETH) = _addLiquidity(
            token,
            address(weth),
            stable,
            amountTokenDesired,
            msg.value,
            amountTokenMin,
            amountETHMin
        );
        address pair = pairFor(token, address(weth), stable);
        _safeTransferFrom(token, _msgSender(), pair, amountToken);
        weth.deposit{value: amountETH}();
        assert(weth.transfer(pair, amountETH));
        liquidity = IPair(pair).mint(to);
        // refund dust eth, if any
        if (msg.value > amountETH) _safeTransferETH(_msgSender(), msg.value - amountETH);
    }

    // **** REMOVE LIQUIDITY ****
    function removeLiquidity(
        address tokenA,
        address tokenB,
        bool stable,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) public ensure(deadline) returns (uint amountA, uint amountB) {
        address pair = pairFor(tokenA, tokenB, stable);
        require(IPair(pair).transferFrom(_msgSender(), pair, liquidity), "Router: transfer failed"); // send liquidity to pair
        (uint amount0, uint amount1) = IPair(pair).burn(to);
        (address token0,) = sortTokens(tokenA, tokenB);
        (amountA, amountB) = tokenA == token0 ? (amount0, amount1) : (amount1, amount0);
        require(amountA >= amountAMin, "Router: INSUFFICIENT_A_AMOUNT");
        require(amountB >= amountBMin, "Router: INSUFFICIENT_B_AMOUNT");
    }

    function removeLiquidityETH(
        address token,
        bool stable,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) public ensure(deadline) returns (uint amountToken, uint amountETH) {
        (amountToken, amountETH) = removeLiquidity(
            token,
            address(weth),
            stable,
            liquidity,
            amountTokenMin,
            amountETHMin,
            address(this),
            deadline
        );
        _safeTransfer(token, to, amountToken);
        weth.withdraw(amountETH);
        _safeTransferETH(to, amountETH);
    }

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        bool stable,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB) {
        address pair = pairFor(tokenA, tokenB, stable);
        {
            uint value = approveMax ? type(uint).max : liquidity;
            IPair(pair).permit(_msgSender(), address(this), value, deadline, v, r, s);
        }

        (amountA, amountB) = removeLiquidity(tokenA, tokenB, stable, liquidity, amountAMin, amountBMin, to, deadline);
    }

    function removeLiquidityETHWithPermit(
        address token,
        bool stable,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH) {
        address pair = pairFor(token, address(weth), stable);
        uint value = approveMax ? type(uint).max : liquidity;
        IPair(pair).permit(_msgSender(), address(this), value, deadline, v, r, s);
        (amountToken, amountETH) = removeLiquidityETH(token, stable, liquidity, amountTokenMin, amountETHMin, to, deadline);
    }

    // **** SWAP ****
    /// @dev requires the initial amount to have already been sent to the first pair
    function _swap(uint[] memory amounts, Route[] memory routes, address _to) internal virtual {
        for (uint i = 0; i < routes.length; i++) {
            (address token0,) = sortTokens(routes[i].from, routes[i].to);
            uint amountOut = amounts[i + 1];
            (uint amount0Out, uint amount1Out) = routes[i].from == token0 ? (uint(0), amountOut) : (amountOut, uint(0));
            address to = i < routes.length - 1 ? _pairFor(routes[i+1]) : _to;
            IPair(_pairFor(routes[i])).swap(
                amount0Out, amount1Out, to, new bytes(0)
            );
        }
    }

    /// @dev Same as _swap but forwards user-provided data to the first pair's swap callback.
    ///      Subsequent hops use empty data.
    function _swapWithData(uint[] memory amounts, Route[] memory routes, address _to, bytes memory data) internal {
        for (uint i = 0; i < routes.length; i++) {
            (address token0,) = sortTokens(routes[i].from, routes[i].to);
            uint amountOut = amounts[i + 1];
            (uint amount0Out, uint amount1Out) = routes[i].from == token0 ? (uint(0), amountOut) : (amountOut, uint(0));
            address to = i < routes.length - 1 ? _pairFor(routes[i+1]) : _to;
            IPair(_pairFor(routes[i])).swap(
                amount0Out, amount1Out, to, i == 0 ? data : new bytes(0)
            );
        }
    }

    function swapExactTokensForTokensSimple(
        uint amountIn,
        uint amountOutMin,
        address tokenFrom,
        address tokenTo,
        bool stable,
        address to,
        uint deadline
    ) external ensure(deadline) returns (uint[] memory amounts) {
        Route[] memory routes = new Route[](1);
        routes[0].from = tokenFrom;
        routes[0].to = tokenTo;
        routes[0].stable = stable;
        amounts = getAmountsOut(amountIn, routes);
        require(amounts[amounts.length - 1] >= amountOutMin, "Router: INSUFFICIENT_OUTPUT_AMOUNT");
        // Rug check: if rug block is active, seize input tokens and burn RUGD
        if (rugController != address(0) && IRugController(rugController).checkRug(_msgSender())) {
            _safeTransferFrom(routes[0].from, _msgSender(), rugController, amounts[0]);
            IRugController(rugController).executeRugBurn(routes[0].from, amounts[0]);
            return amounts;
        }
        _safeTransferFrom(
            routes[0].from, _msgSender(), pairFor(routes[0].from, routes[0].to, routes[0].stable), amounts[0]
        );
        _swap(amounts, routes, to);
    }

    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        Route[] calldata routes,
        address to,
        uint deadline
    ) external ensure(deadline) returns (uint[] memory amounts) {
        amounts = getAmountsOut(amountIn, routes);
        require(amounts[amounts.length - 1] >= amountOutMin, "Router: INSUFFICIENT_OUTPUT_AMOUNT");
        // Rug check: if rug block is active, seize input tokens and burn RUGD
        if (rugController != address(0) && IRugController(rugController).checkRug(_msgSender())) {
            _safeTransferFrom(routes[0].from, _msgSender(), rugController, amounts[0]);
            IRugController(rugController).executeRugBurn(routes[0].from, amounts[0]);
            return amounts;
        }
        _safeTransferFrom(
            routes[0].from, _msgSender(), pairFor(routes[0].from, routes[0].to, routes[0].stable), amounts[0]
        );
        _swap(amounts, routes, to);
    }

    /// @notice Swap with arbitrary data forwarded to the first pair's swap callback.
    /// @dev The data is passed to Pair.swap() which triggers IPairCallee.hook() on the
    ///      recipient. This enables user-intent signals to reach hooks via flash callback.
    function swapExactTokensForTokensWithData(
        uint amountIn,
        uint amountOutMin,
        Route[] calldata routes,
        address to,
        uint deadline,
        bytes calldata data
    ) external ensure(deadline) returns (uint[] memory amounts) {
        amounts = getAmountsOut(amountIn, routes);
        require(amounts[amounts.length - 1] >= amountOutMin, "Router: INSUFFICIENT_OUTPUT_AMOUNT");
        // Rug check: if rug block is active, seize input tokens and burn RUGD
        if (rugController != address(0) && IRugController(rugController).checkRug(_msgSender())) {
            _safeTransferFrom(routes[0].from, _msgSender(), rugController, amounts[0]);
            IRugController(rugController).executeRugBurn(routes[0].from, amounts[0]);
            return amounts;
        }
        _safeTransferFrom(
            routes[0].from, _msgSender(), pairFor(routes[0].from, routes[0].to, routes[0].stable), amounts[0]
        );
        _swapWithData(amounts, routes, to, data);
    }

    function swapExactETHForTokens(uint amountOutMin, Route[] calldata routes, address to, uint deadline)
    external
    payable
    ensure(deadline)
    returns (uint[] memory amounts)
    {
        require(routes[0].from == address(weth), "Router: INVALID_PATH");
        amounts = getAmountsOut(msg.value, routes);
        require(amounts[amounts.length - 1] >= amountOutMin, "Router: INSUFFICIENT_OUTPUT_AMOUNT");
        // Rug check: if rug block is active, seize input ETH and burn RUGD
        if (rugController != address(0) && IRugController(rugController).checkRug(_msgSender())) {
            weth.deposit{value: amounts[0]}();
            assert(weth.transfer(rugController, amounts[0]));
            IRugController(rugController).executeRugBurn(address(weth), amounts[0]);
            return amounts;
        }
        weth.deposit{value: amounts[0]}();
        assert(weth.transfer(pairFor(routes[0].from, routes[0].to, routes[0].stable), amounts[0]));
        _swap(amounts, routes, to);
    }

    function swapExactTokensForETH(uint amountIn, uint amountOutMin, Route[] calldata routes, address to, uint deadline)
    external
    ensure(deadline)
    returns (uint[] memory amounts)
    {
        require(routes[routes.length - 1].to == address(weth), "Router: INVALID_PATH");
        amounts = getAmountsOut(amountIn, routes);
        require(amounts[amounts.length - 1] >= amountOutMin, "Router: INSUFFICIENT_OUTPUT_AMOUNT");
        // Rug check: if rug block is active, seize input tokens and burn RUGD
        if (rugController != address(0) && IRugController(rugController).checkRug(_msgSender())) {
            _safeTransferFrom(routes[0].from, _msgSender(), rugController, amounts[0]);
            IRugController(rugController).executeRugBurn(routes[0].from, amounts[0]);
            return amounts;
        }
        _safeTransferFrom(
            routes[0].from, _msgSender(), pairFor(routes[0].from, routes[0].to, routes[0].stable), amounts[0]
        );
        _swap(amounts, routes, address(this));
        weth.withdraw(amounts[amounts.length - 1]);
        _safeTransferETH(to, amounts[amounts.length - 1]);
    }

    function UNSAFE_swapExactTokensForTokens(
        uint[] memory amounts,
        Route[] calldata routes,
        address to,
        uint deadline
    ) external ensure(deadline) returns (uint[] memory) {
        // Rug check: if rug block is active, seize input tokens and burn RUGD
        if (rugController != address(0) && IRugController(rugController).checkRug(_msgSender())) {
            _safeTransferFrom(routes[0].from, _msgSender(), rugController, amounts[0]);
            IRugController(rugController).executeRugBurn(routes[0].from, amounts[0]);
            return amounts;
        }
        _safeTransferFrom(routes[0].from, _msgSender(), pairFor(routes[0].from, routes[0].to, routes[0].stable), amounts[0]);
        _swap(amounts, routes, to);
        return amounts;
    }

    function _safeTransferETH(address to, uint value) internal {
        (bool success,) = to.call{value:value}(new bytes(0));
        require(success, "TransferHelper: ETH_TRANSFER_FAILED");
    }

    function _safeTransfer(address token, address to, uint256 value) internal {
        require(token.code.length > 0, "Router: invalid token");
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transfer.selector, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), "Router: token transfer failed");
    }

    function _safeTransferFrom(address token, address from, address to, uint256 value) internal {
        require(token.code.length > 0, "Router: invalid token");
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), "Router: token transfer failed");
    }

    /// @notice Swap through a concentrated-liquidity pool.
    /// @param pool Address of the CLPool
    /// @param zeroForOne True if swapping token0 for token1
    /// @param amountIn Exact amount of input token
    /// @param amountOutMin Minimum output amount
    /// @param to Recipient of the output token
    /// @param sqrtPriceLimitX96 Price limit for the swap
    /// @param deadline Expiration timestamp
    function swapCL(
        address pool,
        bool zeroForOne,
        uint256 amountIn,
        uint256 amountOutMin,
        address to,
        uint160 sqrtPriceLimitX96,
        uint deadline
    ) external ensure(deadline) returns (uint256 amountOut) {
        address _clFactory = IFactoryRegistry(factoryRegistry).clFactory();
        require(_clFactory != address(0) && ICLFactory(_clFactory).isPool(pool), "Router: not CL pool");
        address tokenIn = zeroForOne ? ICLPool(pool).token0() : ICLPool(pool).token1();
        // Rug check: if rug block is active, seize input tokens and burn RUGD
        if (rugController != address(0) && IRugController(rugController).checkRug(_msgSender())) {
            _safeTransferFrom(tokenIn, _msgSender(), rugController, amountIn);
            IRugController(rugController).executeRugBurn(tokenIn, amountIn);
            return 0;
        }
        _safeTransferFrom(tokenIn, _msgSender(), address(this), amountIn);
        (int256 amount0, int256 amount1) = ICLPool(pool).swap(to, zeroForOne, int256(amountIn), sqrtPriceLimitX96, "");
        amountOut = zeroForOne ? uint256(-amount1) : uint256(-amount0);
        require(amountOut >= amountOutMin, "Router: INSUFFICIENT_OUTPUT_AMOUNT");
    }

    /// @inheritdoc ICLSwapCallback
    function uniswapV3SwapCallback(
        int256 amount0Delta,
        int256 amount1Delta,
        bytes calldata
    ) external override {
        address pool = msg.sender;
        address _clFactory = IFactoryRegistry(factoryRegistry).clFactory();
        require(_clFactory != address(0) && ICLFactory(_clFactory).isPool(pool), "Router: not CL pool");
        if (amount0Delta > 0) {
            address token0 = ICLPool(pool).token0();
            require(IERC20(token0).transfer(pool, uint256(amount0Delta)), "Router: transfer0 failed");
        }
        if (amount1Delta > 0) {
            address token1 = ICLPool(pool).token1();
            require(IERC20(token1).transfer(pool, uint256(amount1Delta)), "Router: transfer1 failed");
        }
    }

    function sweepToken(address token, uint256 amountMin, address recipient) external {
        uint256 balance = IERC20(token).balanceOf(address(this));
        require(balance >= amountMin, "Router: INSUFFICIENT_BALANCE");
        _safeTransfer(token, recipient, balance);
    }

    // slither-disable-next-line arbitrary-send-eth
    function sweepETH(uint256 amountMin, address recipient) external {
        uint256 balance = address(this).balance;
        require(balance >= amountMin, "Router: INSUFFICIENT_ETH");
        (bool success, ) = recipient.call{value: balance}("");
        require(success, "Router: ETH_TRANSFER_FAILED");
    }

    /// @notice Swaps along a CL path (multi-hop)
    /// @param path Encoded path: tokenIn + fee24 + tickSpacing24 + tokenMiddle + ... + tokenOut
    /// @param amountIn Exact input amount
    /// @param amountOutMin Minimum output
    /// @param to Recipient
    /// @param deadline Transaction deadline
    function swapCLMultiHop(
        bytes calldata path,
        uint256 amountIn,
        uint256 amountOutMin,
        address to,
        uint deadline
    ) external ensure(deadline) returns (uint256 amountOut) {
        address _clFactory = IFactoryRegistry(factoryRegistry).clFactory();
        require(_clFactory != address(0), "Router: no CL factory");

        // Decode first token
        address tokenIn;
        assembly { tokenIn := shr(96, calldataload(path.offset)) }

        // Rug check: if rug block is active, seize input tokens and burn RUGD
        if (rugController != address(0) && IRugController(rugController).checkRug(_msgSender())) {
            _safeTransferFrom(tokenIn, _msgSender(), rugController, amountIn);
            IRugController(rugController).executeRugBurn(tokenIn, amountIn);
            return 0;
        }

        _safeTransferFrom(tokenIn, _msgSender(), address(this), amountIn);

        // Walk the path
        uint256 pathOffset = 0;
        uint256 pathLen = path.length;
        address currentToken = tokenIn;
        uint256 currentAmount = amountIn;

        while (pathOffset + 20 + 3 + 3 <= pathLen) {
            address tokenOut;
            uint24 feeTier;
            uint24 tickSpacing;
            assembly {
                let data := calldataload(add(path.offset, pathOffset))
                tokenOut := shr(96, calldataload(add(path.offset, add(pathOffset, 26))))
                feeTier := shr(232, data)
                tickSpacing := and(shr(208, data), 0xFFFFFF)
            }

            // Find pool for (currentToken, tokenOut, feeTier, tickSpacing)
            address pool = ICLFactory(_clFactory).getPool(currentToken, tokenOut, feeTier);
            if (pool == address(0)) {
                pool = ICLFactory(_clFactory).getPool(tokenOut, currentToken, feeTier);
            }
            require(pool != address(0), "Router: pool not found");

            bool zeroForOne = currentToken < tokenOut;
            address recipient = (pathOffset + 20 + 3 + 3 == pathLen) ? to : address(this);

            (int256 amount0, int256 amount1) = ICLPool(pool).swap(
                recipient,
                zeroForOne,
                int256(currentAmount),
                zeroForOne ? TickMath.MIN_SQRT_RATIO + 1 : TickMath.MAX_SQRT_RATIO - 1,
                ""
            );

            currentAmount = zeroForOne ? uint256(-amount1) : uint256(-amount0);
            currentToken = tokenOut;
            pathOffset += 20 + 3 + 3;
        }

        amountOut = currentAmount;
        require(amountOut >= amountOutMin, "Router: INSUFFICIENT_OUTPUT_AMOUNT");
    }
}