{ "contractName": "DayCountConventions", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.6.11+commit.5ef660b1\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"kind\":\"dev\",\"methods\":{},\"title\":\"DayCountConventions\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"notice\":\"Implements various ISDA day count conventions as specified by ACTUS\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"@atpar/actus-solidity/contracts/Core/Conventions/DayCountConventions.sol\":\"DayCountConventions\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@atpar/actus-solidity/contracts/Core/ACTUSTypes.sol\":{\"keccak256\":\"0x4374a4c79ef02bb008994431870badedd532d09639fef8d7378039faee88d4dd\",\"license\":\"Apache-2.0\",\"urls\":[\"bzz-raw://c0d32929c237f8d04ff4117611292f874bb1dd785b8ec94c04389d608c11481c\",\"dweb:/ipfs/QmVu3awVGWDvqMCjPhmzcCQCRg4VNr5XxcDRWDECTr17TV\"]},\"@atpar/actus-solidity/contracts/Core/Conventions/DayCountConventions.sol\":{\"keccak256\":\"0x7147f1662bbd8abd04dffe454db3743828bae4476621ff158c94dd967b8573e1\",\"license\":\"Apache-2.0\",\"urls\":[\"bzz-raw://d3be9ed484ad75d87b485d7c779d72b980c711735ed7e2ebc9622949a51857a0\",\"dweb:/ipfs/QmVdyMD4PW8wMdhbxoQBqAVNNN7fRwvpTVpCWKBLbLoqmh\"]},\"@atpar/actus-solidity/contracts/Core/SignedMath.sol\":{\"keccak256\":\"0x179745be164f4540d848a50eeb8aea4ec3a0ddabc50f4c122c41ec0463e849c7\",\"license\":\"Apache-2.0\",\"urls\":[\"bzz-raw://e1088b178902de60c611c2dffd2c8943cc7b68988c9083936b760864775db7da\",\"dweb:/ipfs/QmV9XYTU6a8nPzoJv9FjRV4Z2rfbymGGARmzka57ydD1FG\"]},\"@atpar/actus-solidity/contracts/external/BokkyPooBah/BokkyPooBahsDateTimeLibrary.sol\":{\"keccak256\":\"0x679533db9ba3257086015c0435c7d0de7a0a2f352a9de725db294e3f42c17391\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://1c586a5d8d9a654840c3655ccd4e47458d1e781c7542ec6fd2c29638b0dee57d\",\"dweb:/ipfs/QmeoQpnTMU4pa4iwKJcKmbNm7P54UCxux2G9rJyTCyq8GZ\"]},\"openzeppelin-solidity/contracts/math/SafeMath.sol\":{\"keccak256\":\"0xaa0e11a791bc975d581a4f5b7a8d9c16a880a354c89312318ae072ae3e740409\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://982d8b344f76193834260436d74c81e5a8f9e89106bb4cd72bbaabda4f3f59c2\",\"dweb:/ipfs/QmSrvP5TkQRhKDVCTpsV3uaKLBhkt7PjUY89vdtM9o5ybK\"]},\"openzeppelin-solidity/contracts/math/SignedSafeMath.sol\":{\"keccak256\":\"0xb2db870ccd849f107e3196d346fc4983eb9a041d117b9ff3a53950df606658b7\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://0add6dbdceb130d5cd140b8106e7884606dce98e817b3547e0967b76921bd473\",\"dweb:/ipfs/QmRUhmQKxoVFhHaQKHPNUYeSty1rw9TDcDPB5PdDUkqvbg\"]}},\"version\":1}", "bytecode": "0x6080604052348015600f57600080fd5b50603f80601d6000396000f3fe6080604052600080fdfea2646970667358221220f5a54c2cbaa403192bdb1e33d621f444553748fb82799bf67358c0b1c3b06f2664736f6c634300060b0033", "deployedBytecode": "0x6080604052600080fdfea2646970667358221220f5a54c2cbaa403192bdb1e33d621f444553748fb82799bf67358c0b1c3b06f2664736f6c634300060b0033", "immutableReferences": {}, "sourceMap": "438:5100:77:-:0;;;;;;;;;;;;;;;;;;;", "deployedSourceMap": "438:5100:77:-:0;;;;;", "source": "// \"SPDX-License-Identifier: Apache-2.0\"\npragma solidity ^0.6.11;\n\nimport \"openzeppelin-solidity/contracts/math/SafeMath.sol\";\nimport \"openzeppelin-solidity/contracts/math/SignedSafeMath.sol\";\nimport \"../../external/BokkyPooBah/BokkyPooBahsDateTimeLibrary.sol\";\n\nimport \"../ACTUSTypes.sol\";\nimport \"../SignedMath.sol\";\n\n\n/**\n * @title DayCountConventions\n * @notice Implements various ISDA day count conventions as specified by ACTUS\n */\ncontract DayCountConventions {\n\n using SafeMath for uint;\n using SignedSafeMath for int;\n using SignedMath for int;\n\n /**\n * Returns the fraction of the year between two timestamps.\n */\n function yearFraction(\n uint256 startTimestamp,\n uint256 endTimestamp,\n DayCountConvention ipdc,\n uint256 maturityDate\n )\n internal\n pure\n returns (int256)\n {\n require(endTimestamp >= startTimestamp, \"Core.yearFraction: START_NOT_BEFORE_END\");\n if (ipdc == DayCountConvention.AA) {\n return actualActual(startTimestamp, endTimestamp);\n } else if (ipdc == DayCountConvention.A360) {\n return actualThreeSixty(startTimestamp, endTimestamp);\n } else if (ipdc == DayCountConvention.A365) {\n return actualThreeSixtyFive(startTimestamp, endTimestamp);\n } else if (ipdc == DayCountConvention._30E360) {\n return thirtyEThreeSixty(startTimestamp, endTimestamp);\n } else if (ipdc == DayCountConvention._30E360ISDA) {\n return thirtyEThreeSixtyISDA(startTimestamp, endTimestamp, maturityDate);\n } else if (ipdc == DayCountConvention._28E336) {\n // not implemented yet\n revert(\"DayCountConvention.yearFraction: ATTRIBUTE_NOT_SUPPORTED.\");\n } else {\n revert(\"DayCountConvention.yearFraction: ATTRIBUTE_NOT_FOUND.\");\n }\n }\n\n /**\n * ISDA A/A day count convention\n */\n function actualActual(uint256 startTime, uint256 endTime)\n internal\n pure\n returns (int256)\n {\n uint256 d1Year = BokkyPooBahsDateTimeLibrary.getYear(startTime);\n uint256 d2Year = BokkyPooBahsDateTimeLibrary.getYear(endTime);\n\n int256 firstBasis = (BokkyPooBahsDateTimeLibrary.isLeapYear(startTime)) ? 366 : 365;\n\n if (d1Year == d2Year) {\n return int256(BokkyPooBahsDateTimeLibrary.diffDays(startTime, endTime)).floatDiv(firstBasis);\n }\n\n int256 secondBasis = (BokkyPooBahsDateTimeLibrary.isLeapYear(endTime)) ? 366 : 365;\n\n int256 firstFraction = int256(BokkyPooBahsDateTimeLibrary.diffDays(\n startTime,\n BokkyPooBahsDateTimeLibrary.timestampFromDate(d1Year.add(1), 1, 1)\n )).floatDiv(firstBasis);\n int256 secondFraction = int256(BokkyPooBahsDateTimeLibrary.diffDays(\n BokkyPooBahsDateTimeLibrary.timestampFromDate(d2Year, 1, 1),\n endTime\n )).floatDiv(secondBasis);\n\n return firstFraction.add(secondFraction).add(int256(d2Year.sub(d1Year).sub(1)));\n }\n\n /**\n * ISDA A/360 day count convention\n */\n function actualThreeSixty(uint256 startTime, uint256 endTime)\n internal\n pure\n returns (int256)\n {\n return (int256((endTime.sub(startTime)).div(86400)).floatDiv(360));\n }\n\n /**\n * ISDA A/365-Fixed day count convention\n */\n function actualThreeSixtyFive(uint256 startTime, uint256 endTime)\n internal\n pure\n returns (int256)\n {\n return (int256((endTime.sub(startTime)).div(86400)).floatDiv(365));\n }\n\n /**\n * ISDA 30E/360 day count convention\n */\n function thirtyEThreeSixty(uint256 startTime, uint256 endTime)\n internal\n pure\n returns (int256)\n {\n uint256 d1Day;\n uint256 d1Month;\n uint256 d1Year;\n\n uint256 d2Day;\n uint256 d2Month;\n uint256 d2Year;\n\n (d1Year, d1Month, d1Day) = BokkyPooBahsDateTimeLibrary.timestampToDate(startTime);\n (d2Year, d2Month, d2Day) = BokkyPooBahsDateTimeLibrary.timestampToDate(endTime);\n\n if (d1Day == 31) {\n d1Day = 30;\n }\n\n if (d2Day == 31) {\n d2Day = 30;\n }\n\n int256 delD = int256(d2Day).sub(int256(d1Day));\n int256 delM = int256(d2Month).sub(int256(d1Month));\n int256 delY = int256(d2Year).sub(int256(d1Year));\n\n return ((delY.mul(360).add(delM.mul(30)).add(delD)).floatDiv(360));\n }\n\n /**\n * ISDA 30E/360-ISDA day count convention\n */\n function thirtyEThreeSixtyISDA(uint256 startTime, uint256 endTime, uint256 maturityDate)\n internal\n pure\n returns (int256)\n {\n uint256 d1Day;\n uint256 d1Month;\n uint256 d1Year;\n\n uint256 d2Day;\n uint256 d2Month;\n uint256 d2Year;\n\n (d1Year, d1Month, d1Day) = BokkyPooBahsDateTimeLibrary.timestampToDate(startTime);\n (d2Year, d2Month, d2Day) = BokkyPooBahsDateTimeLibrary.timestampToDate(endTime);\n\n if (d1Day == BokkyPooBahsDateTimeLibrary.getDaysInMonth(startTime)) {\n d1Day = 30;\n }\n\n if (!(endTime == maturityDate && d2Month == 2) && d2Day == BokkyPooBahsDateTimeLibrary.getDaysInMonth(endTime)) {\n d2Day = 30;\n }\n\n int256 delD = int256(d2Day).sub(int256(d1Day));\n int256 delM = int256(d2Month).sub(int256(d1Month));\n int256 delY = int256(d2Year).sub(int256(d1Year));\n\n return ((delY.mul(360).add(delM.mul(30)).add(delD)).floatDiv(360));\n }\n}", "sourcePath": "@atpar/actus-solidity/contracts/Core/Conventions/DayCountConventions.sol", "ast": { "absolutePath": "@atpar/actus-solidity/contracts/Core/Conventions/DayCountConventions.sol", "exportedSymbols": { "DayCountConventions": [ 23895 ] }, "id": 23896, "license": "Apache-2.0", "nodeType": "SourceUnit", "nodes": [ { "id": 23342, "literals": [ "solidity", "^", "0.6", ".11" ], "nodeType": "PragmaDirective", "src": "41:24:77" }, { "absolutePath": "openzeppelin-solidity/contracts/math/SafeMath.sol", "file": "openzeppelin-solidity/contracts/math/SafeMath.sol", "id": 23343, "nodeType": "ImportDirective", "scope": 23896, "sourceUnit": 38682, "src": "67:59:77", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "openzeppelin-solidity/contracts/math/SignedSafeMath.sol", "file": "openzeppelin-solidity/contracts/math/SignedSafeMath.sol", "id": 23344, "nodeType": "ImportDirective", "scope": 23896, "sourceUnit": 38861, "src": "127:65:77", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@atpar/actus-solidity/contracts/external/BokkyPooBah/BokkyPooBahsDateTimeLibrary.sol", "file": "../../external/BokkyPooBah/BokkyPooBahsDateTimeLibrary.sol", "id": 23345, "nodeType": "ImportDirective", "scope": 23896, "sourceUnit": 37178, "src": "193:68:77", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@atpar/actus-solidity/contracts/Core/ACTUSTypes.sol", "file": "../ACTUSTypes.sol", "id": 23346, "nodeType": "ImportDirective", "scope": 23896, "sourceUnit": 23007, "src": "263:27:77", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@atpar/actus-solidity/contracts/Core/SignedMath.sol", "file": "../SignedMath.sol", "id": 23347, "nodeType": "ImportDirective", "scope": 23896, "sourceUnit": 24231, "src": "291:27:77", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 23348, "nodeType": "StructuredDocumentation", "src": "321:116:77", "text": " @title DayCountConventions\n @notice Implements various ISDA day count conventions as specified by ACTUS" }, "fullyImplemented": true, "id": 23895, "linearizedBaseContracts": [ 23895 ], "name": "DayCountConventions", "nodeType": "ContractDefinition", "nodes": [ { "id": 23351, "libraryName": { "contractScope": null, "id": 23349, "name": "SafeMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 38681, "src": "480:8:77", "typeDescriptions": { "typeIdentifier": "t_contract$_SafeMath_$38681", "typeString": "library SafeMath" } }, "nodeType": "UsingForDirective", "src": "474:24:77", "typeName": { "id": 23350, "name": "uint", "nodeType": "ElementaryTypeName", "src": "493:4:77", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "id": 23354, "libraryName": { "contractScope": null, "id": 23352, "name": "SignedSafeMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 38860, "src": "509:14:77", "typeDescriptions": { "typeIdentifier": "t_contract$_SignedSafeMath_$38860", "typeString": "library SignedSafeMath" } }, "nodeType": "UsingForDirective", "src": "503:29:77", "typeName": { "id": 23353, "name": "int", "nodeType": "ElementaryTypeName", "src": "528:3:77", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } } }, { "id": 23357, "libraryName": { "contractScope": null, "id": 23355, "name": "SignedMath", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 24230, "src": "543:10:77", "typeDescriptions": { "typeIdentifier": "t_contract$_SignedMath_$24230", "typeString": "library SignedMath" } }, "nodeType": "UsingForDirective", "src": "537:25:77", "typeName": { "id": 23356, "name": "int", "nodeType": "ElementaryTypeName", "src": "558:3:77", "typeDescriptions": { "typeIdentifier": "t_int256", "typeString": "int256" } } }, { "body": { "id": 23449, "nodeType": "Block", "src": "860:1002:77", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 23374, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 23372, "name": "endTimestamp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23362, "src": "878:12:77", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 23373, "name": "startTimestamp", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23360, "src": "894:14:77", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "878:30:77", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "436f72652e796561724672616374696f6e3a2053544152545f4e4f545f4245464f52455f454e44", "id": 23375, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "910:41:77", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_8afb240a9b221f6f381442c516ad8ebc630a7757616f8078f5177823e6ec0254", "typeString": "literal_string \"Core.yearFraction: START_NOT_BEFORE_END\"" }, "value": "Core.yearFraction: START_NOT_BEFORE_END" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_8afb240a9b221f6f381442c516ad8ebc630a7757616f8078f5177823e6ec0254", "typeString": "literal_string \"Core.yearFraction: START_NOT_BEFORE_END\"" } ], "id": 23371, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "870:7:77", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 23376, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "870:82:77", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 23377, "nodeType": "ExpressionStatement", "src": "870:82:77" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" }, "id": 23381, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 23378, "name": "ipdc", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23364, "src": "966:4:77", "typeDescriptions": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 23379, "name": "DayCountConvention", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22577, "src": "974:18:77", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_DayCountConvention_$22577_$", "typeString": "type(enum DayCountConvention)" } }, "id": 23380, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "AA", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "974:21:77", "typeDescriptions": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" } }, "src": "966:29:77", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" }, "id": 23391, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 23388, "name": "ipdc", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23364, "src": "1081:4:77", "typeDescriptions": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 23389, "name": "DayCountConvention", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22577, "src": "1089:18:77", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_DayCountConvention_$22577_$", "typeString": "type(enum DayCountConvention)" } }, "id": 23390, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "A360", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1089:23:77", "typeDescriptions": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" } }, "src": "1081:31:77", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" }, "id": 23401, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 23398, "name": "ipdc", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23364, "src": "1202:4:77", "typeDescriptions": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 23399, "name": "DayCountConvention", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22577, "src": "1210:18:77", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_DayCountConvention_$22577_$", "typeString": "type(enum DayCountConvention)" } }, "id": 23400, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "A365", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1210:23:77", "typeDescriptions": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" } }, "src": "1202:31:77", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" }, "id": 23411, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 23408, "name": "ipdc", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23364, "src": "1327:4:77", "typeDescriptions": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 23409, "name": "DayCountConvention", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22577, "src": "1335:18:77", "typeDescriptions": { "typeIdentifier": "t_type$_t_enum$_DayCountConvention_$22577_$", "typeString": "type(enum DayCountConvention)" } }, "id": 23410, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "_30E360", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1335:26:77", "typeDescriptions": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" } }, "src": "1327:34:77", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", "typeString": "enum DayCountConvention" }, "id": 23421, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 23418, "name": "ipdc", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23364, "src": "1452:4:77", "typeDescriptions": { "typeIdentifier": "t_enum$_DayCountConvention_$22577", 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