{ "contractName": "PairSymmetricSwap", "abi": [ { "inputs": [ { "internalType": "address", "name": "input", "type": "address" }, { "internalType": "address", "name": "output", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "swap", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" }, { "internalType": "address", "name": "output", "type": "address" }, { "internalType": "uint256", "name": "amountIn", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "getOutputAmount", "outputs": [ { "internalType": "uint256", "name": "amountOut", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.8+commit.0bbfe453\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"output\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amountIn\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"getOutputAmount\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"amountOut\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"input\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"output\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"swap\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"project:/contracts/swappa/PairSymmetricSwap.sol\":\"PairSymmetricSwap\"},\"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/interfaces/symmetric/ISymmetricSwap.sol\":{\"keccak256\":\"0x9d75eea633000221f4229fc65e91f1f028062ce792de626a16e644ba9dc62d99\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://72a50de5095203376f237aaa4a6529ce6dfbfc8b1849ed7c061eef66338a7ec7\",\"dweb:/ipfs/QmYj2S22YiStUEPspvMqahcXbgCRUf6Q7X27vkErCCpMKr\"]},\"project:/contracts/swappa/ISwappaPairV1.sol\":{\"keccak256\":\"0x3ad68981bda91ed83c5e9ee8617f08bb5e208208477fb755cc77077f127010ab\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://8e4390b1bebc39f58bff34b9099a646ead67cef27b722ef61548487251cca719\",\"dweb:/ipfs/QmRWEuYyjHaS957VKWtTfDpzfqkXb2bvEsS33meAC76ZuU\"]},\"project:/contracts/swappa/PairSymmetricSwap.sol\":{\"keccak256\":\"0x2b2d3690e69697da160e5d1b9641ee141c478fa1a105090096ca25296cd94c66\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://286c8db9cb8d7ea5dca280c9ce10b8d05814761de9f3b8a844dd5cac58ebcab0\",\"dweb:/ipfs/QmZPa83dZGht7tjZNpnvhXhERZYuteMtb52qtQRjEYhieQ\"]}},\"version\":1}", "bytecode": "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", "deployedBytecode": "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", "immutableReferences": {}, "sourceMap": "248:1071:56:-:0;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;248:1071:56;;;;;;;", "deployedSourceMap": "248:1071:56:-:0;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;248:1071:56;;;;;;;;;;;;;;;;;;;;;12:1:-1;9;2:12;322:491:56;;;;;;15:3:-1;10;7:12;4:2;;;32:1;29;22:12;4:2;322:491:56;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;27:11:-1;11:28;;8:2;;;52:1;49;42:12;8:2;322:491:56;;41:9:-1;34:4;18:14;14:25;11:40;8:2;;;64:1;61;54:12;8:2;322:491:56;;;;;;100:9:-1;95:1;81:12;77:20;67:8;63:35;60:50;39:11;25:12;22:29;11:107;8:2;;;131:1;128;121:12;8:2;-1:-1;322:491:56;;-1:-1:-1;322:491:56;-1:-1:-1;322:491:56;:::i;:::-;;1028:289;;;;;;15:3:-1;10;7:12;4:2;;;32:1;29;22:12;4:2;1028:289:56;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;27:11:-1;11:28;;8:2;;;52:1;49;42:12;8:2;1028:289:56;;41:9:-1;34:4;18:14;14:25;11:40;8:2;;;64:1;61;54:12;8:2;1028:289:56;;;;;;100:9:-1;95:1;81:12;77:20;67:8;63:35;60:50;39:11;25:12;22:29;11:107;8:2;;;131:1;128;121:12;8:2;-1:-1;1028:289:56;;-1:-1:-1;1028:289:56;-1:-1:-1;1028:289:56;:::i;:::-;;;;;;;;;;;;;;;;322:491;433:20;456:15;466:4;;456:15;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;30:3:-1;22:6;14;1:33;99:1;81:16;;74:27;;;;-1:-1;456:9:56;;-1:-1:-1;;;456:15:56:i;:::-;494:37;;;;;;525:4;494:37;;;;;;433:38;;-1:-1:-1;475:16:56;;494:22;;;;;;:37;;;;;;;;;;;;;;:22;:37;;;2:2:-1;;;;27:1;24;17:12;2:2;494:37:56;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;494:37:56;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;494:37:56;547:47;;;;;;:20;:47;;;;;;;;;;;;;;;494:37;;-1:-1:-1;547:20:56;;;;;;:47;;;;;494:37;;547:47;;;;;;;;-1:-1:-1;547:20:56;:47;;;2:2:-1;;;;27:1;24;17:12;2:2;547:47:56;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;547:47:56;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;547:47:56;535:101;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;640:71;;;;;;:33;:71;;;;;;;;;;;;;;;;;;;;;;:33;;;;;;:71;;;;;-1:-1:-1;;640:71:56;;;;;;;;-1:-1:-1;640:33:56;:71;;;2:2:-1;;;;27:1;24;17:12;2:2;640:71:56;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;640:71:56;;;;733:6;727:22;;;750:2;754:11;727:39;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;727:39:56;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;727:39:56;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;727:39:56;715:94;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;322:491;;;;;;;:::o;1028:289::-;1152:14;1274:8;1236:6;1230:23;;;1254:15;1264:4;;1254:15;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;30:3:-1;22:6;14;1:33;99:1;81:16;;74:27;;;;-1:-1;1254:9:56;;-1:-1:-1;;;1254:15:56:i;:::-;1230:40;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5:9:-1;2:2;;;27:1;24;17:12;2:2;1230:40:56;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;1230:40:56;;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;-1:-1;1230:40:56;:52;1226:88;;-1:-1:-1;1301:8:56;1226:88;1028:289;;;;;;;:::o;816:209::-;876:20;910:4;:11;925:2;910:17;902:62;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;1014:2:56;1004:13;998:20;;977:45::o", "source": "// SPDX-License-Identifier: MIT\npragma solidity 0.6.8;\n\nimport \"@openzeppelin/contracts/math/SafeMath.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"../interfaces/symmetric/ISymmetricSwap.sol\";\nimport \"./ISwappaPairV1.sol\";\n\ncontract PairSymmetricSwap is ISwappaPairV1 {\n\tusing SafeMath for uint;\n\n\tfunction swap(\n\t\taddress input,\n\t\taddress output,\n\t\taddress to,\n\t\tbytes calldata data\n\t) external override {\n\t\taddress swapPoolAddr = parseData(data);\n\t\tuint inputAmount = ERC20(input).balanceOf(address(this));\n\t\trequire(\n\t\t\tERC20(input).approve(swapPoolAddr, inputAmount),\n\t\t\t\"PairSymmetricSwap: approve failed!\");\n\t\tISymmetricSwap(swapPoolAddr).swap(\n\t\t\tinput,\n\t\t\toutput,\n\t\t\tinputAmount);\n\t\trequire(\n\t\t\tERC20(output).transfer(to, inputAmount),\n\t\t\t\"PairSymmetricSwap: transfer failed!\");\n\t}\n\n\tfunction parseData(bytes memory data) private pure returns (address swapPoolAddr) {\n\t\trequire(data.length == 20, \"PairSymmetricSwap: invalid data!\");\n\t\tassembly {\n\t\t\tswapPoolAddr := mload(add(data, 20))\n\t\t}\n\t}\n\n\tfunction getOutputAmount(\n\t\taddress,\n\t\taddress output,\n\t\tuint amountIn,\n\t\tbytes calldata data\n\t) external override returns (uint amountOut) {\n\t\t// no fees are taken if there's enough output token\n\t\tif (ERC20(output).balanceOf(parseData(data)) >= amountIn) {\n\t\t\tamountOut = amountIn;\n\t\t}\n\t}\n}\n", "sourcePath": "/home/thezviad_gmail_com/src/swappa/contracts/swappa/PairSymmetricSwap.sol", "ast": { "absolutePath": "project:/contracts/swappa/PairSymmetricSwap.sol", "exportedSymbols": { "PairSymmetricSwap": [ 7029 ] }, "id": 7030, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 6909, "literals": [ "solidity", "0.6", ".8" ], "nodeType": "PragmaDirective", "src": "32:22:56" }, { "absolutePath": "@openzeppelin/contracts/math/SafeMath.sol", "file": "@openzeppelin/contracts/math/SafeMath.sol", "id": 6910, "nodeType": "ImportDirective", "scope": 7030, "sourceUnit": 219, "src": "56:51:56", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/token/ERC20/ERC20.sol", "file": "@openzeppelin/contracts/token/ERC20/ERC20.sol", "id": 6911, "nodeType": "ImportDirective", "scope": 7030, "sourceUnit": 726, "src": "108:55:56", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "project:/contracts/interfaces/symmetric/ISymmetricSwap.sol", "file": "../interfaces/symmetric/ISymmetricSwap.sol", "id": 6912, "nodeType": "ImportDirective", "scope": 7030, "sourceUnit": 1884, "src": "164:52:56", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "project:/contracts/swappa/ISwappaPairV1.sol", "file": "./ISwappaPairV1.sol", "id": 6913, "nodeType": "ImportDirective", "scope": 7030, "sourceUnit": 5326, "src": "217:29:56", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 6914, "name": "ISwappaPairV1", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 5325, "src": "278:13:56", "typeDescriptions": { "typeIdentifier": "t_contract$_ISwappaPairV1_$5325", "typeString": "contract ISwappaPairV1" } }, "id": 6915, "nodeType": "InheritanceSpecifier", "src": "278:13:56" } ], "contractDependencies": [ 5325 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 7029, "linearizedBaseContracts": [ 7029, 5325 ], "name": "PairSymmetricSwap", "nodeType": "ContractDefinition", "nodes": [ { "id": 6918, "libraryName": { "contractScope": null, "id": 6916, "name": "SafeMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 218, "src": "301:8:56", "typeDescriptions": { "typeIdentifier": "t_contract$_SafeMath_$218", "typeString": "library SafeMath" } }, "nodeType": "UsingForDirective", "src": "295:24:56", "typeName": { "id": 6917, "name": "uint", "nodeType": "ElementaryTypeName", "src": "314:4:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "baseFunctions": [ 5311 ], "body": { "id": 6979, "nodeType": "Block", "src": "429:384:56", "statements": [ { "assignments": [ 6931 ], "declarations": [ { "constant": false, "id": 6931, "mutability": "mutable", "name": "swapPoolAddr", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6979, "src": "433:20:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6930, "name": "address", "nodeType": "ElementaryTypeName", "src": "433:7:56", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 6935, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6933, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6926, "src": "466:4:56", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "id": 6932, "name": "parseData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6997, "src": "456:9:56", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$returns$_t_address_$", "typeString": "function (bytes memory) pure returns (address)" } }, "id": 6934, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "456:15:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "VariableDeclarationStatement", "src": "433:38:56" }, { "assignments": [ 6937 ], "declarations": [ { "constant": false, "id": 6937, "mutability": "mutable", "name": "inputAmount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6979, "src": "475:16:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 6936, "name": "uint", "nodeType": "ElementaryTypeName", "src": "475:4:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 6947, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6944, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "525:4:56", "typeDescriptions": { "typeIdentifier": "t_contract$_PairSymmetricSwap_$7029", "typeString": "contract PairSymmetricSwap" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_PairSymmetricSwap_$7029", "typeString": "contract PairSymmetricSwap" } ], "id": 6943, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "517:7:56", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 6942, "name": "address", "nodeType": "ElementaryTypeName", "src": "517:7:56", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 6945, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "517:13:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6939, "name": "input", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6920, "src": "500:5:56", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6938, "name": "ERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 725, "src": "494:5:56", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20_$725_$", "typeString": "type(contract ERC20)" } }, "id": 6940, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "494:12:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$725", "typeString": "contract ERC20" } }, "id": 6941, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 325, "src": "494:22:56", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 6946, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "494:37:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "475:56:56" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6953, "name": "swapPoolAddr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6931, "src": "568:12:56", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6954, "name": "inputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6937, "src": "582:11:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6950, "name": "input", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6920, "src": "553:5:56", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6949, "name": "ERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 725, "src": "547:5:56", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20_$725_$", "typeString": "type(contract ERC20)" } }, "id": 6951, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "547:12:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$725", "typeString": "contract ERC20" } }, "id": 6952, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "approve", "nodeType": "MemberAccess", "referencedDeclaration": 385, "src": "547:20:56", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 6955, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "547:47:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "5061697253796d6d6574726963537761703a20617070726f7665206661696c656421", "id": 6956, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "599:36:56", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_70ca981d5e41bfa0420c348bd84f9a2ff69a21468d2c3c598ecb6ad0a7e5b776", "typeString": "literal_string \"PairSymmetricSwap: approve failed!\"" }, "value": "PairSymmetricSwap: approve failed!" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_70ca981d5e41bfa0420c348bd84f9a2ff69a21468d2c3c598ecb6ad0a7e5b776", "typeString": "literal_string \"PairSymmetricSwap: approve failed!\"" } ], "id": 6948, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "535:7:56", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6957, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "535:101:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6958, "nodeType": "ExpressionStatement", "src": "535:101:56" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6963, "name": "input", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6920, "src": "678:5:56", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6964, "name": "output", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6922, "src": "688:6:56", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6965, "name": "inputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6937, "src": "699:11:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6960, "name": "swapPoolAddr", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6931, "src": "655:12:56", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6959, "name": "ISymmetricSwap", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1883, "src": "640:14:56", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ISymmetricSwap_$1883_$", "typeString": "type(contract ISymmetricSwap)" } }, "id": 6961, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "640:28:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ISymmetricSwap_$1883", "typeString": "contract ISymmetricSwap" } }, "id": 6962, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "swap", "nodeType": "MemberAccess", "referencedDeclaration": 1882, "src": "640:33:56", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (address,address,uint256) external" } }, "id": 6966, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "640:71:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6967, "nodeType": "ExpressionStatement", "src": "640:71:56" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6973, "name": "to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6924, "src": "750:2:56", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6974, "name": "inputAmount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6937, "src": "754:11:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6970, "name": "output", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6922, "src": "733:6:56", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6969, "name": "ERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 725, "src": "727:5:56", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20_$725_$", "typeString": "type(contract ERC20)" } }, "id": 6971, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "727:13:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$725", "typeString": "contract ERC20" } }, "id": 6972, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transfer", "nodeType": "MemberAccess", "referencedDeclaration": 346, "src": "727:22:56", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 6975, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "727:39:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "5061697253796d6d6574726963537761703a207472616e73666572206661696c656421", "id": 6976, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "771:37:56", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_3de42ecc53ae81b144a206421e068c9846ffa9f299c4a8b9f19ec80feac1cc6c", "typeString": "literal_string \"PairSymmetricSwap: transfer failed!\"" }, "value": "PairSymmetricSwap: transfer failed!" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_3de42ecc53ae81b144a206421e068c9846ffa9f299c4a8b9f19ec80feac1cc6c", "typeString": "literal_string \"PairSymmetricSwap: transfer failed!\"" } ], "id": 6968, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "715:7:56", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6977, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "715:94:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6978, "nodeType": "ExpressionStatement", "src": "715:94:56" } ] }, "documentation": null, "functionSelector": "32ef8314", "id": 6980, "implemented": true, "kind": "function", "modifiers": [], "name": "swap", "nodeType": "FunctionDefinition", "overrides": { "id": 6928, "nodeType": "OverrideSpecifier", "overrides": [], "src": "420:8:56" }, "parameters": { "id": 6927, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6920, "mutability": "mutable", "name": "input", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6980, "src": "339:13:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6919, "name": "address", "nodeType": "ElementaryTypeName", "src": "339:7:56", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6922, "mutability": "mutable", "name": "output", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6980, "src": "356:14:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6921, "name": "address", "nodeType": "ElementaryTypeName", "src": "356:7:56", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6924, "mutability": "mutable", "name": "to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6980, "src": "374:10:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6923, "name": "address", "nodeType": "ElementaryTypeName", "src": "374:7:56", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6926, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6980, "src": "388:19:56", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 6925, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "388:5:56", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "335:75:56" }, "returnParameters": { "id": 6929, "nodeType": "ParameterList", "parameters": [], "src": "429:0:56" }, "scope": 7029, "src": "322:491:56", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, { "body": { "id": 6996, "nodeType": "Block", "src": "898:127:56", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 6991, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 6988, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6982, "src": "910:4:56", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 6989, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "910:11:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "hexValue": "3230", "id": 6990, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "925:2:56", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_20_by_1", "typeString": "int_const 20" }, "value": "20" }, "src": "910:17:56", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "5061697253796d6d6574726963537761703a20696e76616c6964206461746121", "id": 6992, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "929:34:56", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_0231822d24221ce94e3ec3d16f2784dfb9da8524ba56fefcefcafc3ad971425d", "typeString": "literal_string \"PairSymmetricSwap: invalid data!\"" }, "value": "PairSymmetricSwap: invalid data!" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_0231822d24221ce94e3ec3d16f2784dfb9da8524ba56fefcefcafc3ad971425d", "typeString": "literal_string \"PairSymmetricSwap: invalid data!\"" } ], "id": 6987, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "902:7:56", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6993, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "902:62:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6994, "nodeType": "ExpressionStatement", "src": "902:62:56" }, { "AST": { "nodeType": "YulBlock", "src": "977:45:56", "statements": [ { "nodeType": "YulAssignment", "src": "982:36:56", "value": { "arguments": [ { "arguments": [ { "name": "data", "nodeType": "YulIdentifier", "src": "1008:4:56" }, { "kind": "number", "nodeType": "YulLiteral", "src": "1014:2:56", "type": "", "value": "20" } ], "functionName": { "name": "add", "nodeType": "YulIdentifier", "src": "1004:3:56" }, "nodeType": "YulFunctionCall", "src": "1004:13:56" } ], "functionName": { "name": "mload", "nodeType": "YulIdentifier", "src": "998:5:56" }, "nodeType": "YulFunctionCall", "src": "998:20:56" }, "variableNames": [ { "name": "swapPoolAddr", "nodeType": "YulIdentifier", "src": "982:12:56" } ] } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 6982, "isOffset": false, "isSlot": false, "src": "1008:4:56", "valueSize": 1 }, { "declaration": 6985, "isOffset": false, "isSlot": false, "src": "982:12:56", "valueSize": 1 } ], "id": 6995, "nodeType": "InlineAssembly", "src": "968:54:56" } ] }, "documentation": null, "id": 6997, "implemented": true, "kind": "function", "modifiers": [], "name": "parseData", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 6983, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6982, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6997, "src": "835:17:56", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 6981, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "835:5:56", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "834:19:56" }, "returnParameters": { "id": 6986, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6985, "mutability": "mutable", "name": "swapPoolAddr", "nodeType": "VariableDeclaration", "overrides": null, "scope": 6997, "src": "876:20:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6984, "name": "address", "nodeType": "ElementaryTypeName", "src": "876:7:56", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "875:22:56" }, "scope": 7029, "src": "816:209:56", "stateMutability": "pure", "virtual": false, "visibility": "private" }, { "baseFunctions": [ 5324 ], "body": { "id": 7027, "nodeType": "Block", "src": "1168:149:56", "statements": [ { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 7020, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 7016, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7005, "src": "1264:4:56", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "id": 7015, "name": "parseData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6997, "src": "1254:9:56", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$returns$_t_address_$", "typeString": "function (bytes memory) pure returns (address)" } }, "id": 7017, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1254:15:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 7012, "name": "output", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7001, "src": "1236:6:56", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 7011, "name": "ERC20", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 725, "src": "1230:5:56", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_ERC20_$725_$", "typeString": "type(contract ERC20)" } }, "id": 7013, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1230:13:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_ERC20_$725", "typeString": "contract ERC20" } }, "id": 7014, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 325, "src": "1230:23:56", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 7018, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1230:40:56", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 7019, "name": "amountIn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7003, "src": "1274:8:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1230:52:56", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 7026, "nodeType": "IfStatement", "src": "1226:88:56", "trueBody": { "id": 7025, "nodeType": "Block", "src": "1284:30:56", "statements": [ { "expression": { "argumentTypes": null, "id": 7023, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 7021, "name": "amountOut", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7009, "src": "1289:9:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 7022, "name": "amountIn", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7003, "src": "1301:8:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1289:20:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 7024, "nodeType": "ExpressionStatement", "src": "1289:20:56" } ] } } ] }, "documentation": null, "functionSelector": "7eace892", "id": 7028, "implemented": true, "kind": "function", "modifiers": [], "name": "getOutputAmount", "nodeType": "FunctionDefinition", "overrides": { "id": 7007, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1134:8:56" }, "parameters": { "id": 7006, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6999, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7028, "src": "1056:7:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6998, "name": "address", "nodeType": "ElementaryTypeName", "src": "1056:7:56", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 7001, "mutability": "mutable", "name": "output", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7028, "src": "1067:14:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 7000, "name": "address", "nodeType": "ElementaryTypeName", "src": "1067:7:56", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 7003, "mutability": "mutable", "name": "amountIn", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7028, "src": "1085:13:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 7002, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1085:4:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 7005, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7028, "src": "1102:19:56", "stateVariable": false, "storageLocation": "calldata", "typeDescriptions": { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes" }, "typeName": { "id": 7004, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1102:5:56", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "1052:72:56" }, "returnParameters": { "id": 7010, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 7009, "mutability": "mutable", "name": "amountOut", "nodeType": "VariableDeclaration", "overrides": null, "scope": 7028, "src": "1152:14:56", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 7008, "name": "uint", "nodeType": "ElementaryTypeName", "src": "1152:4:56", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1151:16:56" }, "scope": 7029, "src": "1028:289:56", "stateMutability": "nonpayable", "virtual": false, "visibility": "external" } ], "scope": 7030, "src": "248:1071:56" } ], "src": "32:1288:56" }, "legacyAST": { "attributes": { "absolutePath": "project:/contracts/swappa/PairSymmetricSwap.sol", "exportedSymbols": { "PairSymmetricSwap": [ 7029 ] }, "license": "MIT" }, "children": [ { "attributes": { "literals": [ "solidity", "0.6", ".8" ] }, "id": 6909, "name": "PragmaDirective", "src": "32:22:56" }, { "attributes": { "SourceUnit": 219, "absolutePath": "@openzeppelin/contracts/math/SafeMath.sol", "file": "@openzeppelin/contracts/math/SafeMath.sol", "scope": 7030, "symbolAliases": [ null ], "unitAlias": "" }, "id": 6910, "name": "ImportDirective", "src": "56:51:56" }, { "attributes": { "SourceUnit": 726, "absolutePath": "@openzeppelin/contracts/token/ERC20/ERC20.sol", "file": "@openzeppelin/contracts/token/ERC20/ERC20.sol", "scope": 7030, "symbolAliases": [ null ], "unitAlias": "" }, "id": 6911, "name": "ImportDirective", "src": "108:55:56" }, { "attributes": { "SourceUnit": 1884, "absolutePath": "project:/contracts/interfaces/symmetric/ISymmetricSwap.sol", "file": "../interfaces/symmetric/ISymmetricSwap.sol", "scope": 7030, "symbolAliases": [ null ], "unitAlias": "" }, "id": 6912, "name": "ImportDirective", "src": "164:52:56" }, { "attributes": { "SourceUnit": 5326, "absolutePath": "project:/contracts/swappa/ISwappaPairV1.sol", "file": "./ISwappaPairV1.sol", "scope": 7030, "symbolAliases": [ null ], "unitAlias": "" }, "id": 6913, "name": "ImportDirective", "src": "217:29:56" }, { "attributes": { "abstract": false, "contractDependencies": [ 5325 ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "linearizedBaseContracts": [ 7029, 5325 ], "name": "PairSymmetricSwap", "scope": 7030 }, "children": [ { "attributes": { "arguments": null }, "children": [ { "attributes": { "contractScope": null, "name": "ISwappaPairV1", "referencedDeclaration": 5325, "type": "contract ISwappaPairV1" }, "id": 6914, "name": "UserDefinedTypeName", "src": "278:13:56" } ], "id": 6915, "name": "InheritanceSpecifier", "src": "278:13:56" }, { "children": [ { "attributes": { "contractScope": null, "name": "SafeMath", "referencedDeclaration": 218, "type": "library SafeMath" }, "id": 6916, "name": "UserDefinedTypeName", "src": "301:8:56" }, { "attributes": { "name": "uint", "type": "uint256" }, "id": 6917, "name": "ElementaryTypeName", "src": "314:4:56" } ], "id": 6918, "name": "UsingForDirective", "src": "295:24:56" }, { "attributes": { "baseFunctions": [ 5311 ], "documentation": null, "functionSelector": "32ef8314", "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "swap", "scope": 7029, "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, "children": [ { "attributes": { "overrides": [ null ] }, "id": 6928, "name": "OverrideSpecifier", "src": "420:8:56" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "input", "overrides": null, "scope": 6980, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6919, "name": "ElementaryTypeName", "src": "339:7:56" } ], "id": 6920, "name": "VariableDeclaration", "src": "339:13:56" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "output", "overrides": null, "scope": 6980, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6921, "name": "ElementaryTypeName", "src": "356:7:56" } ], "id": 6922, "name": "VariableDeclaration", "src": "356:14:56" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "to", "overrides": null, "scope": 6980, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6923, "name": "ElementaryTypeName", "src": "374:7:56" } ], "id": 6924, "name": "VariableDeclaration", "src": "374:10:56" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "data", "overrides": null, "scope": 6980, "stateVariable": false, "storageLocation": "calldata", "type": "bytes", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "bytes", "type": "bytes" }, "id": 6925, "name": "ElementaryTypeName", "src": "388:5:56" } ], "id": 6926, "name": "VariableDeclaration", "src": "388:19:56" } ], "id": 6927, "name": "ParameterList", "src": "335:75:56" }, { "attributes": { "parameters": [ null ] }, "children": [], "id": 6929, "name": "ParameterList", "src": "429:0:56" }, { "children": [ { "attributes": { "assignments": [ 6931 ] }, "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "swapPoolAddr", "overrides": null, "scope": 6979, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6930, "name": "ElementaryTypeName", "src": "433:7:56" } ], "id": 6931, "name": "VariableDeclaration", "src": "433:20:56" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "address", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 6997, "type": "function (bytes memory) pure returns (address)", "value": "parseData" }, "id": 6932, "name": "Identifier", "src": "456:9:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6926, "type": "bytes calldata", "value": "data" }, "id": 6933, "name": "Identifier", "src": "466:4:56" } ], "id": 6934, "name": "FunctionCall", "src": "456:15:56" } ], "id": 6935, "name": "VariableDeclarationStatement", "src": "433:38:56" }, { "attributes": { "assignments": [ 6937 ] }, "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "inputAmount", "overrides": null, "scope": 6979, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint", "type": "uint256" }, "id": 6936, "name": "ElementaryTypeName", "src": "475:4:56" } ], "id": 6937, "name": "VariableDeclaration", "src": "475:16:56" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint256", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "balanceOf", "referencedDeclaration": 325, "type": "function (address) view external returns (uint256)" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ERC20", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 725, "type": "type(contract ERC20)", "value": "ERC20" }, "id": 6938, "name": "Identifier", "src": "494:5:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6920, "type": "address", "value": "input" }, "id": 6939, "name": "Identifier", "src": "500:5:56" } ], "id": 6940, "name": "FunctionCall", "src": "494:12:56" } ], "id": 6941, "name": "MemberAccess", "src": "494:22:56" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "address", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_contract$_PairSymmetricSwap_$7029", "typeString": "contract PairSymmetricSwap" } ], "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "type": "type(address)" }, "children": [ { "attributes": { "name": "address", "type": null }, "id": 6942, "name": "ElementaryTypeName", "src": "517:7:56" } ], "id": 6943, "name": "ElementaryTypeNameExpression", "src": "517:7:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": -28, "type": "contract PairSymmetricSwap", "value": "this" }, "id": 6944, "name": "Identifier", "src": "525:4:56" } ], "id": 6945, "name": "FunctionCall", "src": "517:13:56" } ], "id": 6946, "name": "FunctionCall", "src": "494:37:56" } ], "id": 6947, "name": "VariableDeclarationStatement", "src": "475:56:56" }, { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_70ca981d5e41bfa0420c348bd84f9a2ff69a21468d2c3c598ecb6ad0a7e5b776", "typeString": "literal_string \"PairSymmetricSwap: approve failed!\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 6948, "name": "Identifier", "src": "535:7:56" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "bool", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "approve", "referencedDeclaration": 385, "type": "function (address,uint256) external returns (bool)" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ERC20", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 725, "type": "type(contract ERC20)", "value": "ERC20" }, "id": 6949, "name": "Identifier", "src": "547:5:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6920, "type": "address", "value": "input" }, "id": 6950, "name": "Identifier", "src": "553:5:56" } ], "id": 6951, "name": "FunctionCall", "src": "547:12:56" } ], "id": 6952, "name": "MemberAccess", "src": "547:20:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6931, "type": "address", "value": "swapPoolAddr" }, "id": 6953, "name": "Identifier", "src": "568:12:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6937, "type": "uint256", "value": "inputAmount" }, "id": 6954, "name": "Identifier", "src": "582:11:56" } ], "id": 6955, "name": "FunctionCall", "src": "547:47:56" }, { "attributes": { "argumentTypes": null, "hexvalue": "5061697253796d6d6574726963537761703a20617070726f7665206661696c656421", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"PairSymmetricSwap: approve failed!\"", "value": "PairSymmetricSwap: approve failed!" }, "id": 6956, "name": "Literal", "src": "599:36:56" } ], "id": 6957, "name": "FunctionCall", "src": "535:101:56" } ], "id": 6958, "name": "ExpressionStatement", "src": "535:101:56" }, { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "swap", "referencedDeclaration": 1882, "type": "function (address,address,uint256) external" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ISymmetricSwap", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 1883, "type": "type(contract ISymmetricSwap)", "value": "ISymmetricSwap" }, "id": 6959, "name": "Identifier", "src": "640:14:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6931, "type": "address", "value": "swapPoolAddr" }, "id": 6960, "name": "Identifier", "src": "655:12:56" } ], "id": 6961, "name": "FunctionCall", "src": "640:28:56" } ], "id": 6962, "name": "MemberAccess", "src": "640:33:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6920, "type": "address", "value": "input" }, "id": 6963, "name": "Identifier", "src": "678:5:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6922, "type": "address", "value": "output" }, "id": 6964, "name": "Identifier", "src": "688:6:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6937, "type": "uint256", "value": "inputAmount" }, "id": 6965, "name": "Identifier", "src": "699:11:56" } ], "id": 6966, "name": "FunctionCall", "src": "640:71:56" } ], "id": 6967, "name": "ExpressionStatement", "src": "640:71:56" }, { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_3de42ecc53ae81b144a206421e068c9846ffa9f299c4a8b9f19ec80feac1cc6c", "typeString": "literal_string \"PairSymmetricSwap: transfer failed!\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 6968, "name": "Identifier", "src": "715:7:56" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "bool", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "transfer", "referencedDeclaration": 346, "type": "function (address,uint256) external returns (bool)" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ERC20", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 725, "type": "type(contract ERC20)", "value": "ERC20" }, "id": 6969, "name": "Identifier", "src": "727:5:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6922, "type": "address", "value": "output" }, "id": 6970, "name": "Identifier", "src": "733:6:56" } ], "id": 6971, "name": "FunctionCall", "src": "727:13:56" } ], "id": 6972, "name": "MemberAccess", "src": "727:22:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6924, "type": "address", "value": "to" }, "id": 6973, "name": "Identifier", "src": "750:2:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6937, "type": "uint256", "value": "inputAmount" }, "id": 6974, "name": "Identifier", "src": "754:11:56" } ], "id": 6975, "name": "FunctionCall", "src": "727:39:56" }, { "attributes": { "argumentTypes": null, "hexvalue": "5061697253796d6d6574726963537761703a207472616e73666572206661696c656421", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"PairSymmetricSwap: transfer failed!\"", "value": "PairSymmetricSwap: transfer failed!" }, "id": 6976, "name": "Literal", "src": "771:37:56" } ], "id": 6977, "name": "FunctionCall", "src": "715:94:56" } ], "id": 6978, "name": "ExpressionStatement", "src": "715:94:56" } ], "id": 6979, "name": "Block", "src": "429:384:56" } ], "id": 6980, "name": "FunctionDefinition", "src": "322:491:56" }, { "attributes": { "documentation": null, "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "parseData", "overrides": null, "scope": 7029, "stateMutability": "pure", "virtual": false, "visibility": "private" }, "children": [ { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "data", "overrides": null, "scope": 6997, "stateVariable": false, "storageLocation": "memory", "type": "bytes", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "bytes", "type": "bytes" }, "id": 6981, "name": "ElementaryTypeName", "src": "835:5:56" } ], "id": 6982, "name": "VariableDeclaration", "src": "835:17:56" } ], "id": 6983, "name": "ParameterList", "src": "834:19:56" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "swapPoolAddr", "overrides": null, "scope": 6997, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6984, "name": "ElementaryTypeName", "src": "876:7:56" } ], "id": 6985, "name": "VariableDeclaration", "src": "876:20:56" } ], "id": 6986, "name": "ParameterList", "src": "875:22:56" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_0231822d24221ce94e3ec3d16f2784dfb9da8524ba56fefcefcafc3ad971425d", "typeString": "literal_string \"PairSymmetricSwap: invalid data!\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string memory) pure", "value": "require" }, "id": 6987, "name": "Identifier", "src": "902:7:56" }, { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "==", "type": "bool" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "length", "referencedDeclaration": null, "type": "uint256" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 6982, "type": "bytes memory", "value": "data" }, "id": 6988, "name": "Identifier", "src": "910:4:56" } ], "id": 6989, "name": "MemberAccess", "src": "910:11:56" }, { "attributes": { "argumentTypes": null, "hexvalue": "3230", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "number", "type": "int_const 20", "value": "20" }, "id": 6990, "name": "Literal", "src": "925:2:56" } ], "id": 6991, "name": "BinaryOperation", "src": "910:17:56" }, { "attributes": { "argumentTypes": null, "hexvalue": "5061697253796d6d6574726963537761703a20696e76616c6964206461746121", "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "subdenomination": null, "token": "string", "type": "literal_string \"PairSymmetricSwap: invalid data!\"", "value": "PairSymmetricSwap: invalid data!" }, "id": 6992, "name": "Literal", "src": "929:34:56" } ], "id": 6993, "name": "FunctionCall", "src": "902:62:56" } ], "id": 6994, "name": "ExpressionStatement", "src": "902:62:56" }, { "attributes": { "evmVersion": "istanbul", "externalReferences": [ { "declaration": 6982, "isOffset": false, "isSlot": false, "src": "1008:4:56", "valueSize": 1 }, { "declaration": 6985, "isOffset": false, "isSlot": false, "src": "982:12:56", "valueSize": 1 } ], "operations": "{\n swapPoolAddr := mload(add(data, 20))\n}" }, "children": [], "id": 6995, "name": "InlineAssembly", "src": "968:54:56" } ], "id": 6996, "name": "Block", "src": "898:127:56" } ], "id": 6997, "name": "FunctionDefinition", "src": "816:209:56" }, { "attributes": { "baseFunctions": [ 5324 ], "documentation": null, "functionSelector": "7eace892", "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "getOutputAmount", "scope": 7029, "stateMutability": "nonpayable", "virtual": false, "visibility": "external" }, "children": [ { "attributes": { "overrides": [ null ] }, "id": 7007, "name": "OverrideSpecifier", "src": "1134:8:56" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "", "overrides": null, "scope": 7028, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 6998, "name": "ElementaryTypeName", "src": "1056:7:56" } ], "id": 6999, "name": "VariableDeclaration", "src": "1056:7:56" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "output", "overrides": null, "scope": 7028, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 7000, "name": "ElementaryTypeName", "src": "1067:7:56" } ], "id": 7001, "name": "VariableDeclaration", "src": "1067:14:56" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "amountIn", "overrides": null, "scope": 7028, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint", "type": "uint256" }, "id": 7002, "name": "ElementaryTypeName", "src": "1085:4:56" } ], "id": 7003, "name": "VariableDeclaration", "src": "1085:13:56" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "data", "overrides": null, "scope": 7028, "stateVariable": false, "storageLocation": "calldata", "type": "bytes", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "bytes", "type": "bytes" }, "id": 7004, "name": "ElementaryTypeName", "src": "1102:5:56" } ], "id": 7005, "name": "VariableDeclaration", "src": "1102:19:56" } ], "id": 7006, "name": "ParameterList", "src": "1052:72:56" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "amountOut", "overrides": null, "scope": 7028, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "uint", "type": "uint256" }, "id": 7008, "name": "ElementaryTypeName", "src": "1152:4:56" } ], "id": 7009, "name": "VariableDeclaration", "src": "1152:14:56" } ], "id": 7010, "name": "ParameterList", "src": "1151:16:56" }, { "children": [ { "attributes": { "falseBody": null }, "children": [ { "attributes": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": ">=", "type": "bool" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "uint256", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "balanceOf", "referencedDeclaration": 325, "type": "function (address) view external returns (uint256)" }, "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "contract ERC20", "type_conversion": true }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 725, "type": "type(contract ERC20)", "value": "ERC20" }, "id": 7011, "name": "Identifier", "src": "1230:5:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 7001, "type": "address", "value": "output" }, "id": 7012, "name": "Identifier", "src": "1236:6:56" } ], "id": 7013, "name": "FunctionCall", "src": "1230:13:56" } ], "id": 7014, "name": "MemberAccess", "src": "1230:23:56" }, { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "address", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bytes_calldata_ptr", "typeString": "bytes calldata" } ], "overloadedDeclarations": [ null ], "referencedDeclaration": 6997, "type": "function (bytes memory) pure returns (address)", "value": "parseData" }, "id": 7015, "name": "Identifier", "src": "1254:9:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 7005, "type": "bytes calldata", "value": "data" }, "id": 7016, "name": "Identifier", "src": "1264:4:56" } ], "id": 7017, "name": "FunctionCall", "src": "1254:15:56" } ], "id": 7018, "name": "FunctionCall", "src": "1230:40:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 7003, "type": "uint256", "value": "amountIn" }, "id": 7019, "name": "Identifier", "src": "1274:8:56" } ], "id": 7020, "name": "BinaryOperation", "src": "1230:52:56" }, { "children": [ { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "operator": "=", "type": "uint256" }, "children": [ { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 7009, "type": "uint256", "value": "amountOut" }, "id": 7021, "name": "Identifier", "src": "1289:9:56" }, { "attributes": { "argumentTypes": null, "overloadedDeclarations": [ null ], "referencedDeclaration": 7003, "type": "uint256", "value": "amountIn" }, "id": 7022, "name": "Identifier", "src": "1301:8:56" } ], "id": 7023, "name": "Assignment", "src": "1289:20:56" } ], "id": 7024, "name": "ExpressionStatement", "src": "1289:20:56" } ], "id": 7025, "name": "Block", "src": "1284:30:56" } ], "id": 7026, "name": "IfStatement", "src": "1226:88:56" } ], "id": 7027, "name": "Block", "src": "1168:149:56" } ], "id": 7028, "name": "FunctionDefinition", "src": "1028:289:56" } ], "id": 7029, "name": "ContractDefinition", "src": "248:1071:56" } ], "id": 7030, "name": "SourceUnit", "src": "32:1288:56" }, "compiler": { "name": "solc", "version": "0.6.8+commit.0bbfe453.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.16", "updatedAt": "2025-02-07T17:50:42.844Z", "devdoc": { "methods": {} }, "userdoc": { "methods": {} } }