{ "contractName": "SwappaRouterV1", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "sender", "type": "address" }, { "indexed": false, "internalType": "address", "name": "to", "type": "address" }, { "indexed": true, "internalType": "address", "name": "input", "type": "address" }, { "indexed": true, "internalType": "address", "name": "output", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "inputAmount", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "outputAmount", "type": "uint256" } ], "name": "Swap", "type": "event" }, { "stateMutability": "payable", "type": "receive" }, { "inputs": [ { "internalType": "address[]", "name": "path", "type": "address[]" }, { "internalType": "address[]", "name": "pairs", "type": "address[]" }, { "internalType": "bytes[]", "name": "extras", "type": "bytes[]" }, { "internalType": "uint256", "name": "inputAmount", "type": "uint256" } ], "name": "getOutputAmount", "outputs": [ { "internalType": "uint256", "name": "outputAmount", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address[]", "name": "path", "type": "address[]" }, { "internalType": "address[]", "name": "pairs", "type": "address[]" }, { "internalType": "bytes[]", "name": "extras", "type": "bytes[]" }, { "internalType": "uint256", "name": "inputAmount", "type": "uint256" }, { "internalType": "uint256", "name": "minOutputAmount", "type": "uint256" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" } ], "name": "swapExactInputForOutput", "outputs": [ { "internalType": "uint256", "name": "outputAmount", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address[]", "name": "path", "type": "address[]" }, { "internalType": "address[]", "name": "pairs", "type": "address[]" }, { "internalType": "bytes[]", "name": "extras", "type": "bytes[]" }, { "internalType": "uint256", "name": "inputAmount", "type": "uint256" }, { "internalType": "uint256", "name": "minOutputAmount", "type": "uint256" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" } ], "name": "swapExactInputForOutputWithPrecheck", "outputs": [ { "internalType": "uint256", "name": "outputAmount", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.8+commit.0bbfe453\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"input\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"output\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"inputAmount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"outputAmount\",\"type\":\"uint256\"}],\"name\":\"Swap\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address[]\",\"name\":\"pairs\",\"type\":\"address[]\"},{\"internalType\":\"bytes[]\",\"name\":\"extras\",\"type\":\"bytes[]\"},{\"internalType\":\"uint256\",\"name\":\"inputAmount\",\"type\":\"uint256\"}],\"name\":\"getOutputAmount\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"outputAmount\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address[]\",\"name\":\"pairs\",\"type\":\"address[]\"},{\"internalType\":\"bytes[]\",\"name\":\"extras\",\"type\":\"bytes[]\"},{\"internalType\":\"uint256\",\"name\":\"inputAmount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"minOutputAmount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapExactInputForOutput\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"outputAmount\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"path\",\"type\":\"address[]\"},{\"internalType\":\"address[]\",\"name\":\"pairs\",\"type\":\"address[]\"},{\"internalType\":\"bytes[]\",\"name\":\"extras\",\"type\":\"bytes[]\"},{\"internalType\":\"uint256\",\"name\":\"inputAmount\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"minOutputAmount\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"deadline\",\"type\":\"uint256\"}],\"name\":\"swapExactInputForOutputWithPrecheck\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"outputAmount\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"project:/contracts/swappa/SwappaRouterV1.sol\":\"SwappaRouterV1\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":10000},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/GSN/Context.sol\":{\"keccak256\":\"0xdb26cbf4d028490f49831a7865c2fe1b28db44b535ca8d343785a3b768aae183\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://840b14ce0315c47d49ba328f1f9fa7654ded1c9e1559e6c5e777a7b2dc28bf0a\",\"dweb:/ipfs/QmTLLabn4wcfGro9LEmUXUN2nwKqZSotXMvjDCLXEnLtZP\"]},\"@openzeppelin/contracts/math/SafeMath.sol\":{\"keccak256\":\"0x9a9cf02622cd7a64261b10534fc3260449da25c98c9e96d1b4ae8110a20e5806\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://2df142592d1dc267d9549049ee3317fa190d2f87eaa565f86ab05ec83f7ab8f5\",\"dweb:/ipfs/QmSkJtcfWo7c42KnL5hho6GFxK6HRNV91XABx1P7xDtfLV\"]},\"@openzeppelin/contracts/token/ERC20/ERC20.sol\":{\"keccak256\":\"0x91e0bd6a6762d2a1700dab0849de8422611355100576c4beef1e80d82a4104a0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://73bbd77af0a8b07255d2ffa20728bcf13b116007c9ddac5d37046cfabb0e1e02\",\"dweb:/ipfs/QmRgZgWCWCSMTTaok6o4QvWA6MgB4goS8qpb3sN7bAvaZ9\"]},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"keccak256\":\"0x5c26b39d26f7ed489e555d955dcd3e01872972e71fdd1528e93ec164e4f23385\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://efdc632af6960cf865dbc113665ea1f5b90eab75cc40ec062b2f6ae6da582017\",\"dweb:/ipfs/QmfAZFDuG62vxmAN9DnXApv7e7PMzPqi4RkqqZHLMSQiY5\"]},\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0xf5fa8cbdffa5ef8be49b246b5628facc30b71707e78a45d80d93b64eff3fe390\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://774e78a9ff32792cc95db4d2ceaf3a7965bb7f0bea5e6cb7cff182b450d44b37\",\"dweb:/ipfs/QmRRMC4uj7eAcLW7chynA3sNEYULMFazdLwQHKHQPyzAbA\"]},\"project:/contracts/swappa/ISwappaPairV1.sol\":{\"keccak256\":\"0x3ad68981bda91ed83c5e9ee8617f08bb5e208208477fb755cc77077f127010ab\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://8e4390b1bebc39f58bff34b9099a646ead67cef27b722ef61548487251cca719\",\"dweb:/ipfs/QmRWEuYyjHaS957VKWtTfDpzfqkXb2bvEsS33meAC76ZuU\"]},\"project:/contracts/swappa/ISwappaRouterV1.sol\":{\"keccak256\":\"0xf474ec7613e7b678e7546dec554ef5344685801175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"source": "// SPDX-License-Identifier: MIT\npragma solidity 0.6.8;\npragma experimental ABIEncoderV2;\n\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"./ISwappaPairV1.sol\";\nimport \"./ISwappaRouterV1.sol\";\n\ncontract SwappaRouterV1 is ISwappaRouterV1 {\n event Swap(\n address indexed sender,\n address to,\n address indexed input,\n address indexed output,\n uint256 inputAmount,\n uint256 outputAmount\n );\n\n modifier ensure(uint deadline) {\n require(deadline >= block.timestamp, \"SwappaRouter: Expired!\");\n _;\n }\n\n function getOutputAmount(\n address[] calldata path,\n address[] calldata pairs,\n bytes[] calldata extras,\n uint256 inputAmount\n ) external override returns (uint256 outputAmount) {\n outputAmount = inputAmount;\n for (uint i; i < pairs.length; i++) {\n outputAmount = ISwappaPairV1(pairs[i]).getOutputAmount(\n path[i],\n path[i + 1],\n outputAmount,\n extras[i]\n );\n }\n }\n\n function swapExactInputForOutput(\n address[] calldata path,\n address[] calldata pairs,\n bytes[] calldata extras,\n uint256 inputAmount,\n uint256 minOutputAmount,\n address to,\n uint deadline\n ) external override ensure(deadline) returns (uint256 outputAmount) {\n require(\n path.length == pairs.length + 1,\n \"SwappaRouter: Path and Pairs mismatch!\"\n );\n require(\n pairs.length == extras.length,\n \"SwappaRouter: Pairs and Extras mismatch!\"\n );\n require(pairs.length > 0, \"SwappaRouter: Must have at least one pair!\");\n\n require(\n ERC20(path[0]).transferFrom(msg.sender, pairs[0], inputAmount),\n \"SwappaRouter: Initial transferFrom failed!\"\n );\n for (uint i; i < pairs.length; i++) {\n (address pairInput, address pairOutput) = (path[i], path[i + 1]);\n address next = i < pairs.length - 1 ? pairs[i + 1] : address(this);\n bytes memory data = extras[i];\n ISwappaPairV1(pairs[i]).swap(pairInput, pairOutput, next, data);\n }\n // Perform final output check in the router as a final safeguard to make sure\n // minOutputAmount restriction is honored no matter what.\n address output = path[path.length - 1];\n outputAmount = ERC20(output).balanceOf(address(this));\n require(\n outputAmount >= minOutputAmount,\n \"SwappaRouter: Insufficient output amount!\"\n );\n require(\n ERC20(output).transfer(to, outputAmount),\n \"SwappaRouter: Final transfer failed!\"\n );\n emit Swap(msg.sender, to, path[0], output, inputAmount, outputAmount);\n }\n\n function swapExactInputForOutputWithPrecheck(\n address[] calldata path,\n address[] calldata pairs,\n bytes[] calldata extras,\n uint256 inputAmount,\n uint256 minOutputAmount,\n address to,\n uint deadline\n ) external override ensure(deadline) returns (uint256 outputAmount) {\n require(\n path.length == pairs.length + 1,\n \"SwappaRouter: Path and Pairs mismatch!\"\n );\n require(\n pairs.length == extras.length,\n \"SwappaRouter: Pairs and Extras mismatch!\"\n );\n require(pairs.length > 0, \"SwappaRouter: Must have at least one pair!\");\n\n // Note(zviadm): Full code copying is necessary because `bytes[]` arrays can not easily be\n // passed around between `calldata` and `memory` locations. Manual copying would be necessary\n // with quite a bit of annoying code to work around stack issues.\n\n {\n outputAmount = inputAmount; // reuse outputAmount variable to avoid \"stack too deep\" errors.\n for (uint i; i < pairs.length; i++) {\n (address input, address output) = (path[i], path[i + 1]);\n bytes memory data = extras[i];\n outputAmount = ISwappaPairV1(pairs[i]).getOutputAmount(\n input,\n output,\n outputAmount,\n data\n );\n }\n require(\n outputAmount >= minOutputAmount,\n \"SwappaRouter: Insufficient expected output amount!\"\n );\n }\n\n require(\n ERC20(path[0]).transferFrom(msg.sender, pairs[0], inputAmount),\n \"SwappaRouter: Initial transferFrom failed!\"\n );\n for (uint i; i < pairs.length; i++) {\n (address pairInput, address pairOutput) = (path[i], path[i + 1]);\n address next = i < pairs.length - 1 ? pairs[i + 1] : address(this);\n bytes memory data = extras[i];\n ISwappaPairV1(pairs[i]).swap(pairInput, pairOutput, next, data);\n }\n // Perform final output 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false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8233, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8208, "src": "2047:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8237, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 8234, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8142, "src": "2051:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8235, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2051:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 8236, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2066:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "2051:16:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2047:20:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8246, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "2093:4:61", "typeDescriptions": { "typeIdentifier": "t_contract$_SwappaRouterV1_$8571", "typeString": "contract SwappaRouterV1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_SwappaRouterV1_$8571", "typeString": "contract SwappaRouterV1" } ], "id": 8245, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2085:7:61", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 8244, "name": "address", "nodeType": "ElementaryTypeName", "src": "2085:7:61", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 8247, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2085:13:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "id": 8248, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "Conditional", "src": "2047:51:61", "trueExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8239, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8142, "src": "2070:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8243, "indexExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8242, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8240, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8208, "src": "2076:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 8241, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2080:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "2076:5:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2070:12:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "2032:66:61" }, { "assignments": [ 8251 ], "declarations": [ { "constant": false, "id": 8251, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8268, "src": "2112:17:61", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 8250, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "2112:5:61", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 8255, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8252, "name": "extras", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8145, "src": "2132:6:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes_calldata_ptr_$dyn_calldata_ptr", "typeString": "bytes calldata[] calldata" } }, "id": 8254, "indexExpression": { "argumentTypes": null, "id": 8253, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8208, "src": "2139:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2132:9:61", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "nodeType": "VariableDeclarationStatement", "src": "2112:29:61" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8262, "name": "pairInput", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8218, "src": "2184:9:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8263, "name": "pairOutput", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8220, "src": "2195:10:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8264, "name": "next", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8232, "src": "2207:4:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8265, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8251, "src": "2213:4:61", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8257, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8142, "src": "2169:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8259, "indexExpression": { "argumentTypes": null, "id": 8258, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8208, "src": "2175:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2169:8:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 8256, "name": "ISwappaPairV1", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5325, "src": "2155:13:61", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ISwappaPairV1_$5325_$", "typeString": "type(contract ISwappaPairV1)" } }, "id": 8260, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2155:23:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ISwappaPairV1_$5325", "typeString": "contract ISwappaPairV1" } }, "id": 8261, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "swap", "nodeType": "MemberAccess", "referencedDeclaration": 5311, "src": "2155:28:61", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_address_$_t_bytes_memory_ptr_$returns$__$", "typeString": "function (address,address,address,bytes memory) external" } }, "id": 8266, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2155:63:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8267, "nodeType": "ExpressionStatement", "src": "2155:63:61" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8213, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8210, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8208, "src": "1917:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 8211, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8142, "src": "1921:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8212, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1921:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1917:16:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 8269, "initializationExpression": { "assignments": [ 8208 ], "declarations": [ { "constant": false, "id": 8208, "mutability": "mutable", "name": "i", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8269, "src": "1909:6:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8207, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1909:4:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 8209, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "1909:6:61" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 8215, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "1935:3:61", "subExpression": { "argumentTypes": null, "id": 8214, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8208, "src": "1935:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8216, "nodeType": "ExpressionStatement", "src": "1935:3:61" }, "nodeType": "ForStatement", "src": "1904:325:61" }, { "assignments": [ 8271 ], "declarations": [ { "constant": false, "id": 8271, "mutability": "mutable", "name": "output", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8321, "src": "2390:14:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8270, "name": "address", "nodeType": "ElementaryTypeName", "src": "2390:7:61", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 8278, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8272, "name": "path", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8139, "src": "2407:4:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8277, "indexExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8276, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 8273, "name": "path", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8139, "src": "2412:4:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8274, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "2412:11:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 8275, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2426:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "2412:15:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "2407:21:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "2390:38:61" }, { "expression": { "argumentTypes": null, "id": 8289, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 8279, "name": "outputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8160, "src": "2438:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8286, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "2485:4:61", "typeDescriptions": { "typeIdentifier": "t_contract$_SwappaRouterV1_$8571", "typeString": "contract SwappaRouterV1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_SwappaRouterV1_$8571", "typeString": "contract SwappaRouterV1" } ], "id": 8285, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2477:7:61", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 8284, "name": "address", "nodeType": "ElementaryTypeName", "src": "2477:7:61", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 8287, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2477:13:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8281, "name": "output", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8271, "src": "2459:6:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 8280, "name": "ERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 725, "src": "2453:5:61", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20_$725_$", "typeString": "type(contract ERC20)" } }, "id": 8282, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2453:13:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$725", "typeString": "contract ERC20" } }, "id": 8283, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 325, "src": "2453:23:61", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 8288, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2453:38:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2438:53:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8290, "nodeType": "ExpressionStatement", "src": "2438:53:61" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8294, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8292, "name": "outputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8160, "src": "2522:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 8293, "name": "minOutputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8149, "src": "2538:15:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2522:31:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": 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"isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3455:44:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_50f8820bfeecb849a00cbe9e7b54a6b373cb7c22aa55809a32600c36edb64fa6", "typeString": "literal_string \"SwappaRouter: Must have at least one pair!\"" }, "value": "SwappaRouter: Must have at least one pair!" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_50f8820bfeecb849a00cbe9e7b54a6b373cb7c22aa55809a32600c36edb64fa6", "typeString": "literal_string \"SwappaRouter: Must have at least one pair!\"" } ], "id": 8368, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "3429:7:61", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 8374, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3429:71:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8375, "nodeType": "ExpressionStatement", "src": "3429:71:61" }, { "id": 8433, "nodeType": "Block", "src": "3787:660:61", "statements": [ { "expression": { "argumentTypes": null, "id": 8378, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 8376, "name": "outputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8346, "src": "3801:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 8377, "name": "inputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8333, "src": "3816:11:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3801:26:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8379, "nodeType": "ExpressionStatement", "src": "3801:26:61" }, { "body": { "id": 8424, "nodeType": "Block", "src": "3942:341:61", "statements": [ { "assignments": [ 8391, 8393 ], "declarations": [ { "constant": false, "id": 8391, "mutability": "mutable", "name": "input", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8424, "src": "3961:13:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8390, "name": "address", "nodeType": "ElementaryTypeName", "src": "3961:7:61", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8393, "mutability": "mutable", "name": "output", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8424, "src": "3976:14:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8392, "name": "address", "nodeType": "ElementaryTypeName", "src": "3976:7:61", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 8403, "initialValue": { "argumentTypes": null, "components": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8394, "name": "path", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8325, "src": "3995:4:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8396, "indexExpression": { "argumentTypes": null, "id": 8395, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8381, "src": "4000:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "3995:7:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8397, "name": "path", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8325, "src": "4004:4:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8401, "indexExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8400, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8398, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8381, "src": "4009:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 8399, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4013:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "4009:5:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4004:11:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 8402, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "3994:22:61", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_address_$_t_address_$", "typeString": "tuple(address,address)" } }, "nodeType": "VariableDeclarationStatement", "src": "3960:56:61" }, { "assignments": [ 8405 ], "declarations": [ { "constant": false, "id": 8405, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8424, "src": "4034:17:61", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 8404, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4034:5:61", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 8409, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8406, "name": "extras", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8331, "src": "4054:6:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes_calldata_ptr_$dyn_calldata_ptr", "typeString": "bytes calldata[] calldata" } }, "id": 8408, "indexExpression": { "argumentTypes": null, "id": 8407, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8381, "src": "4061:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4054:9:61", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "nodeType": "VariableDeclarationStatement", "src": "4034:29:61" }, { "expression": { "argumentTypes": null, "id": 8422, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 8410, "name": "outputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8346, "src": "4081:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8417, "name": "input", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8391, "src": "4157:5:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8418, "name": "output", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8393, "src": "4184:6:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8419, "name": "outputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8346, "src": "4212:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 8420, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8405, "src": "4246:4:61", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8412, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8328, "src": "4110:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8414, "indexExpression": { "argumentTypes": null, "id": 8413, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8381, "src": "4116:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4110:8:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 8411, "name": "ISwappaPairV1", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5325, "src": "4096:13:61", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ISwappaPairV1_$5325_$", "typeString": "type(contract ISwappaPairV1)" } }, "id": 8415, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4096:23:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ISwappaPairV1_$5325", "typeString": "contract ISwappaPairV1" } }, "id": 8416, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "getOutputAmount", "nodeType": "MemberAccess", "referencedDeclaration": 5324, "src": "4096:39:61", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$_t_bytes_memory_ptr_$returns$_t_uint256_$", "typeString": "function (address,address,uint256,bytes memory) external returns (uint256)" } }, "id": 8421, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4096:172:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4081:187:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8423, "nodeType": "ExpressionStatement", "src": "4081:187:61" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8386, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8383, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8381, "src": "3919:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 8384, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8328, "src": "3923:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8385, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "3923:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "3919:16:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 8425, "initializationExpression": { "assignments": [ 8381 ], "declarations": [ { "constant": false, "id": 8381, "mutability": "mutable", "name": "i", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8425, "src": "3911:6:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8380, "name": "uint", "nodeType": "ElementaryTypeName", "src": "3911:4:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 8382, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "3911:6:61" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 8388, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "3937:3:61", "subExpression": { "argumentTypes": null, "id": 8387, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8381, "src": "3937:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8389, "nodeType": "ExpressionStatement", "src": "3937:3:61" }, "nodeType": "ForStatement", "src": "3906:377:61" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8429, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8427, "name": "outputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8346, "src": "4321:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 8428, "name": "minOutputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8335, "src": "4337:15:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4321:31:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "537761707061526f757465723a20496e73756666696369656e74206578706563746564206f757470757420616d6f756e7421", "id": 8430, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4370:52:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_92c647a9df827f435e95e55348ef3d9783657104085606ff16cb5738ddbeffe7", "typeString": "literal_string \"SwappaRouter: Insufficient expected output amount!\"" }, "value": "SwappaRouter: Insufficient expected output amount!" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_92c647a9df827f435e95e55348ef3d9783657104085606ff16cb5738ddbeffe7", "typeString": "literal_string \"SwappaRouter: Insufficient expected output amount!\"" } ], "id": 8426, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "4296:7:61", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 8431, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4296:140:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8432, "nodeType": "ExpressionStatement", "src": "4296:140:61" } ] }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 8441, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -15, "src": "4506:3:61", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 8442, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4506:10:61", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8443, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8328, "src": "4518:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8445, "indexExpression": { "argumentTypes": null, "hexValue": "30", "id": 8444, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4524:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4518:8:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8446, "name": "inputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8333, "src": "4528:11:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8436, "name": "path", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8325, "src": "4484:4:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8438, "indexExpression": { "argumentTypes": null, "hexValue": "30", "id": 8437, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4489:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4484:7:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 8435, "name": "ERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 725, "src": "4478:5:61", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20_$725_$", "typeString": "type(contract ERC20)" } }, "id": 8439, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4478:14:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$725", "typeString": "contract ERC20" } }, "id": 8440, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transferFrom", "nodeType": "MemberAccess", "referencedDeclaration": 423, "src": "4478:27:61", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,address,uint256) external returns (bool)" } }, "id": 8447, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4478:62:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "537761707061526f757465723a20496e697469616c207472616e7366657246726f6d206661696c656421", "id": 8448, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4554:44:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_5d4db394429342c290de88dc1012d1383b0e08cbeb120c2513f7aad8def9fc3d", "typeString": "literal_string \"SwappaRouter: Initial transferFrom failed!\"" }, "value": "SwappaRouter: Initial transferFrom failed!" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_5d4db394429342c290de88dc1012d1383b0e08cbeb120c2513f7aad8def9fc3d", "typeString": "literal_string \"SwappaRouter: Initial transferFrom failed!\"" } ], "id": 8434, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "4457:7:61", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 8449, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4457:151:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8450, "nodeType": "ExpressionStatement", "src": "4457:151:61" }, { "body": { "id": 8512, "nodeType": "Block", "src": "4654:289:61", "statements": [ { "assignments": [ 8462, 8464 ], "declarations": [ { "constant": false, "id": 8462, "mutability": "mutable", "name": "pairInput", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8512, "src": "4669:17:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8461, "name": "address", "nodeType": "ElementaryTypeName", "src": "4669:7:61", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 8464, "mutability": "mutable", "name": "pairOutput", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8512, "src": "4688:18:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8463, "name": "address", "nodeType": "ElementaryTypeName", "src": "4688:7:61", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 8474, "initialValue": { "argumentTypes": null, "components": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8465, "name": "path", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8325, "src": "4711:4:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8467, "indexExpression": { "argumentTypes": null, "id": 8466, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8452, "src": "4716:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4711:7:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8468, "name": "path", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8325, "src": "4720:4:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8472, "indexExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8471, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8469, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8452, "src": "4725:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 8470, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4729:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "4725:5:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4720:11:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 8473, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "4710:22:61", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_address_$_t_address_$", "typeString": "tuple(address,address)" } }, "nodeType": "VariableDeclarationStatement", "src": "4668:64:61" }, { "assignments": [ 8476 ], "declarations": [ { "constant": false, "id": 8476, "mutability": "mutable", "name": "next", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8512, "src": "4746:12:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8475, "name": "address", "nodeType": "ElementaryTypeName", "src": "4746:7:61", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 8493, "initialValue": { "argumentTypes": null, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8482, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8477, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8452, "src": "4761:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8481, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 8478, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8328, "src": "4765:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8479, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4765:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "-", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 8480, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4780:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "4765:16:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4761:20:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8490, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "4807:4:61", "typeDescriptions": { "typeIdentifier": "t_contract$_SwappaRouterV1_$8571", "typeString": "contract SwappaRouterV1" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_SwappaRouterV1_$8571", "typeString": "contract SwappaRouterV1" } ], "id": 8489, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4799:7:61", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 8488, "name": "address", "nodeType": "ElementaryTypeName", "src": "4799:7:61", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 8491, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4799:13:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "id": 8492, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "Conditional", "src": "4761:51:61", "trueExpression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8483, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8328, "src": "4784:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8487, "indexExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8486, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8484, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8452, "src": "4790:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "+", "rightExpression": { "argumentTypes": null, "hexValue": "31", "id": 8485, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4794:1:61", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "4790:5:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4784:12:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "4746:66:61" }, { "assignments": [ 8495 ], "declarations": [ { "constant": false, "id": 8495, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8512, "src": "4826:17:61", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 8494, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4826:5:61", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "id": 8499, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8496, "name": "extras", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8331, "src": "4846:6:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_bytes_calldata_ptr_$dyn_calldata_ptr", "typeString": "bytes calldata[] calldata" } }, "id": 8498, "indexExpression": { "argumentTypes": null, "id": 8497, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8452, "src": "4853:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4846:9:61", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } }, "nodeType": "VariableDeclarationStatement", "src": "4826:29:61" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 8506, "name": "pairInput", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8462, "src": "4898:9:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8507, "name": "pairOutput", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8464, "src": "4909:10:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8508, "name": "next", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8476, "src": "4921:4:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 8509, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8495, "src": "4927:4:61", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8501, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8328, "src": "4883:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8503, "indexExpression": { "argumentTypes": null, "id": 8502, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8452, "src": "4889:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "4883:8:61", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 8500, "name": "ISwappaPairV1", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5325, "src": "4869:13:61", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ISwappaPairV1_$5325_$", "typeString": "type(contract ISwappaPairV1)" } }, "id": 8504, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4869:23:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ISwappaPairV1_$5325", "typeString": "contract ISwappaPairV1" } }, "id": 8505, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "swap", "nodeType": "MemberAccess", "referencedDeclaration": 5311, "src": "4869:28:61", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_address_$_t_bytes_memory_ptr_$returns$__$", "typeString": "function (address,address,address,bytes memory) external" } }, "id": 8510, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4869:63:61", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 8511, "nodeType": "ExpressionStatement", "src": "4869:63:61" } ] }, "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8457, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 8454, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8452, "src": "4631:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 8455, "name": "pairs", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8328, "src": "4635:5:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8456, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4635:12:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4631:16:61", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 8513, "initializationExpression": { "assignments": [ 8452 ], "declarations": [ { "constant": false, "id": 8452, "mutability": "mutable", "name": "i", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8513, "src": "4623:6:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 8451, "name": "uint", "nodeType": "ElementaryTypeName", "src": "4623:4:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 8453, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "4623:6:61" }, "loopExpression": { "expression": { "argumentTypes": null, "id": 8459, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "4649:3:61", "subExpression": { "argumentTypes": null, "id": 8458, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8452, "src": "4649:1:61", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 8460, "nodeType": "ExpressionStatement", "src": "4649:3:61" }, "nodeType": "ForStatement", "src": "4618:325:61" }, { "assignments": [ 8515 ], "declarations": [ { "constant": false, "id": 8515, "mutability": "mutable", "name": "output", "nodeType": "VariableDeclaration", "overrides": null, "scope": 8565, "src": "5104:14:61", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 8514, "name": "address", "nodeType": "ElementaryTypeName", "src": "5104:7:61", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 8522, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "id": 8516, "name": "path", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 8325, "src": "5121:4:61", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_calldata_ptr", "typeString": "address[] calldata" } }, "id": 8521, "indexExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 8520, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, 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