{ "contractName": "BytesIteratorStorage", "abi": [], "bytecode": "0x6080604052348015600f57600080fd5b50603580601d6000396000f3006080604052600080fd00a165627a7a723058207eebfac708a45654d0c8fb2ce1f04a3d31ff459716cbc1f00db8632f7d96d0e50029", "deployedBytecode": "0x6080604052600080fd00a165627a7a723058207eebfac708a45654d0c8fb2ce1f04a3d31ff459716cbc1f00db8632f7d96d0e50029", "sourceMap": "135:2358:77:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;135:2358:77;;;;;;;", "deployedSourceMap": "135:2358:77:-;;;;;", "source": "pragma solidity ^0.4.19;\n\nimport \"../lib/DoublyLinkedList.sol\";\n\n\n/**\n @title Bytes Iterator Storage\n @author DigixGlobal Pte Ltd\n*/\ncontract BytesIteratorStorage {\n\n // Initialize Doubly Linked List of Bytes\n using DoublyLinkedList for DoublyLinkedList.Bytes;\n\n /**\n @notice Reads the first item from the list of Bytes\n @param _list The source list\n @return {\"_item\": \"The first item from the list\"}\n */\n function read_first_from_bytesarray(DoublyLinkedList.Bytes storage _list)\n internal\n constant\n returns (bytes32 _item)\n {\n _item = _list.start_item();\n }\n\n /**\n @notice Reads the last item from the list of Bytes\n @param _list The source list\n @return {\"_item\": \"The last item from the list\"}\n */\n function read_last_from_bytesarray(DoublyLinkedList.Bytes storage _list)\n internal\n constant\n returns (bytes32 _item)\n {\n _item = _list.end_item();\n }\n\n /**\n @notice Reads the next item on the list of Bytes\n @param _list The source list\n @param _current_item The current item to be used as base line\n @return {\"_item\": \"The next item from the list based on the specieid `_current_item`\"}\n TODO: Need to verify what happens if the specified `_current_item` is the last item from the list\n */\n function read_next_from_bytesarray(DoublyLinkedList.Bytes storage _list, bytes32 _current_item)\n internal\n constant\n returns (bytes32 _item)\n {\n _item = _list.next_item(_current_item);\n }\n\n /**\n @notice Reads the previous item on the list of Bytes\n @param _list The source list\n @param _current_item The current item to be used as base line\n @return {\"_item\": \"The previous item from the list based on the spcified `_current_item`\"}\n TODO: Need to verify what happens if the specified `_current_item` is the first item from the list\n */\n function read_previous_from_bytesarray(DoublyLinkedList.Bytes storage _list, bytes32 _current_item)\n internal\n constant\n returns (bytes32 _item)\n {\n _item = _list.previous_item(_current_item);\n }\n\n /**\n @notice Reads the list of Bytes and returns the length of the list\n @param _list The source list\n @return {\"count\": \"`uint256` The lenght of the list\"}\n\n */\n function read_total_bytesarray(DoublyLinkedList.Bytes storage _list)\n internal\n constant\n returns (uint256 _count)\n {\n _count = _list.total();\n }\n\n}\n", "sourcePath": "@digix/solidity-collections/contracts/abstract/BytesIteratorStorage.sol", "ast": { "absolutePath": "@digix/solidity-collections/contracts/abstract/BytesIteratorStorage.sol", "exportedSymbols": { "BytesIteratorStorage": [ 22049 ] }, "id": 22050, "nodeType": "SourceUnit", "nodes": [ { "id": 21968, "literals": [ "solidity", "^", "0.4", ".19" ], "nodeType": "PragmaDirective", "src": "0:24:77" }, { "absolutePath": "@digix/solidity-collections/contracts/lib/DoublyLinkedList.sol", "file": "../lib/DoublyLinkedList.sol", "id": 21969, "nodeType": "ImportDirective", "scope": 22050, "sourceUnit": 25117, "src": "26:37:77", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@title Bytes Iterator Storage\n@author DigixGlobal Pte Ltd", "fullyImplemented": true, "id": 22049, "linearizedBaseContracts": [ 22049 ], "name": "BytesIteratorStorage", "nodeType": "ContractDefinition", "nodes": [ { "id": 21972, "libraryName": { "contractScope": null, "id": 21970, "name": "DoublyLinkedList", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 25116, "src": "220:16:77", "typeDescriptions": { "typeIdentifier": "t_contract$_DoublyLinkedList_$25116", "typeString": "library DoublyLinkedList" } }, "nodeType": "UsingForDirective", "src": "214:50:77", "typeName": { "contractScope": null, "id": 21971, "name": "DoublyLinkedList.Bytes", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22605, "src": "241:22:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" } } }, { "body": { "id": 21985, "nodeType": "Block", "src": "573:37:77", "statements": [ { "expression": { "argumentTypes": null, "id": 21983, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 21979, "name": "_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 21977, "src": "579:5:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 21980, "name": "_list", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 21974, "src": "587:5:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes storage pointer" } }, "id": 21981, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "start_item", "nodeType": "MemberAccess", "referencedDeclaration": 24666, "src": "587:16:77", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Bytes_$22605_storage_ptr_$returns$_t_bytes32_$bound_to$_t_struct$_Bytes_$22605_storage_ptr_$", "typeString": "function (struct DoublyLinkedList.Bytes storage pointer) view returns (bytes32)" } }, "id": 21982, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "587:18:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "579:26:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 21984, "nodeType": "ExpressionStatement", "src": "579:26:77" } ] }, "documentation": "@notice Reads the first item from the list of Bytes\n@param _list The source list\n@return {\"_item\": \"The first item from the list\"}", "id": 21986, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "read_first_from_bytesarray", "nodeType": "FunctionDefinition", "parameters": { "id": 21975, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 21974, "name": "_list", "nodeType": "VariableDeclaration", "scope": 21986, "src": "458:36:77", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" }, "typeName": { "contractScope": null, "id": 21973, "name": "DoublyLinkedList.Bytes", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22605, "src": "458:22:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" } }, "value": null, "visibility": "internal" } ], "src": "457:38:77" }, "payable": false, "returnParameters": { "id": 21978, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 21977, "name": "_item", "nodeType": "VariableDeclaration", "scope": 21986, "src": "556:13:77", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 21976, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "556:7:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "src": "555:15:77" }, "scope": 22049, "src": "422:188:77", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 21999, "nodeType": "Block", "src": "916:35:77", "statements": [ { "expression": { "argumentTypes": null, "id": 21997, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 21993, "name": "_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 21991, "src": "922:5:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 21994, "name": "_list", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 21988, "src": "930:5:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes storage pointer" } }, "id": 21995, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "end_item", "nodeType": "MemberAccess", "referencedDeclaration": 24696, "src": "930:14:77", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Bytes_$22605_storage_ptr_$returns$_t_bytes32_$bound_to$_t_struct$_Bytes_$22605_storage_ptr_$", "typeString": "function (struct DoublyLinkedList.Bytes storage pointer) view returns (bytes32)" } }, "id": 21996, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "930:16:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "922:24:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 21998, "nodeType": "ExpressionStatement", "src": "922:24:77" } ] }, "documentation": "@notice Reads the last item from the list of Bytes\n@param _list The source list\n@return {\"_item\": \"The last item from the list\"}", "id": 22000, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "read_last_from_bytesarray", "nodeType": "FunctionDefinition", "parameters": { "id": 21989, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 21988, "name": "_list", "nodeType": "VariableDeclaration", "scope": 22000, "src": "801:36:77", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" }, "typeName": { "contractScope": null, "id": 21987, "name": "DoublyLinkedList.Bytes", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22605, "src": "801:22:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" } }, "value": null, "visibility": "internal" } ], "src": "800:38:77" }, "payable": false, "returnParameters": { "id": 21992, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 21991, "name": "_item", "nodeType": "VariableDeclaration", "scope": 22000, "src": "899:13:77", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 21990, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "899:7:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "src": "898:15:77" }, "scope": 22049, "src": "766:185:77", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 22016, "nodeType": "Block", "src": "1484:49:77", "statements": [ { "expression": { "argumentTypes": null, "id": 22014, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 22009, "name": "_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22007, "src": "1490:5:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 22012, "name": "_current_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22004, "src": "1514:13:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "expression": { "argumentTypes": null, "id": 22010, "name": "_list", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22002, "src": "1498:5:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes storage pointer" } }, "id": 22011, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "next_item", "nodeType": "MemberAccess", "referencedDeclaration": 24804, "src": "1498:15:77", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Bytes_$22605_storage_ptr_$_t_bytes32_$returns$_t_bytes32_$bound_to$_t_struct$_Bytes_$22605_storage_ptr_$", "typeString": "function (struct DoublyLinkedList.Bytes storage pointer,bytes32) view returns (bytes32)" } }, "id": 22013, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1498:30:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "1490:38:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 22015, "nodeType": "ExpressionStatement", "src": "1490:38:77" } ] }, "documentation": "@notice Reads the next item on the list of Bytes\n@param _list The source list\n@param _current_item The current item to be used as base line\n@return {\"_item\": \"The next item from the list based on the specieid `_current_item`\"}\nTODO: Need to verify what happens if the specified `_current_item` is the last item from the list", "id": 22017, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "read_next_from_bytesarray", "nodeType": "FunctionDefinition", "parameters": { "id": 22005, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22002, "name": "_list", "nodeType": "VariableDeclaration", "scope": 22017, "src": "1346:36:77", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" }, "typeName": { "contractScope": null, "id": 22001, "name": "DoublyLinkedList.Bytes", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22605, "src": "1346:22:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 22004, "name": "_current_item", "nodeType": "VariableDeclaration", "scope": 22017, "src": "1384:21:77", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 22003, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1384:7:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "src": "1345:61:77" }, "payable": false, "returnParameters": { "id": 22008, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22007, "name": "_item", "nodeType": "VariableDeclaration", "scope": 22017, "src": "1467:13:77", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 22006, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1467:7:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "src": "1466:15:77" }, "scope": 22049, "src": "1311:222:77", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 22033, "nodeType": "Block", "src": "2079:53:77", "statements": [ { "expression": { "argumentTypes": null, "id": 22031, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 22026, "name": "_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22024, "src": "2085:5:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 22029, "name": "_current_item", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22021, "src": "2113:13:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } ], "expression": { "argumentTypes": null, "id": 22027, "name": "_list", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22019, "src": "2093:5:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes storage pointer" } }, "id": 22028, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "previous_item", "nodeType": "MemberAccess", "referencedDeclaration": 24768, "src": "2093:19:77", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Bytes_$22605_storage_ptr_$_t_bytes32_$returns$_t_bytes32_$bound_to$_t_struct$_Bytes_$22605_storage_ptr_$", "typeString": "function (struct DoublyLinkedList.Bytes storage pointer,bytes32) view returns (bytes32)" } }, "id": 22030, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2093:34:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "2085:42:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 22032, "nodeType": "ExpressionStatement", "src": "2085:42:77" } ] }, "documentation": "@notice Reads the previous item on the list of Bytes\n@param _list The source list\n@param _current_item The current item to be used as base line\n@return {\"_item\": \"The previous item from the list based on the spcified `_current_item`\"}\nTODO: Need to verify what happens if the specified `_current_item` is the first item from the list", "id": 22034, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "read_previous_from_bytesarray", "nodeType": "FunctionDefinition", "parameters": { "id": 22022, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22019, "name": "_list", "nodeType": "VariableDeclaration", "scope": 22034, "src": "1941:36:77", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" }, "typeName": { "contractScope": null, "id": 22018, "name": "DoublyLinkedList.Bytes", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22605, "src": "1941:22:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 22021, "name": "_current_item", "nodeType": "VariableDeclaration", "scope": 22034, "src": "1979:21:77", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 22020, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1979:7:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "src": "1940:61:77" }, "payable": false, "returnParameters": { "id": 22025, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22024, "name": "_item", "nodeType": "VariableDeclaration", "scope": 22034, "src": "2062:13:77", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 22023, "name": 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22042, "name": "_list", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22036, "src": "2472:5:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes storage pointer" } }, "id": 22043, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "total", "nodeType": "MemberAccess", "referencedDeclaration": 24636, "src": "2472:11:77", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Bytes_$22605_storage_ptr_$returns$_t_uint256_$bound_to$_t_struct$_Bytes_$22605_storage_ptr_$", "typeString": "function (struct DoublyLinkedList.Bytes storage pointer) view returns (uint256)" } }, "id": 22044, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2472:13:77", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "2463:22:77", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 22046, "nodeType": "ExpressionStatement", "src": "2463:22:77" } ] }, "documentation": "@notice Reads the list of Bytes and returns the length of the list\n@param _list The source list\n@return {\"count\": \"`uint256` The lenght of the list\"}", "id": 22048, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "read_total_bytesarray", "nodeType": "FunctionDefinition", "parameters": { "id": 22037, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22036, "name": "_list", "nodeType": "VariableDeclaration", "scope": 22048, "src": "2341:36:77", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" }, "typeName": { "contractScope": null, "id": 22035, "name": 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null, "visibility": "internal" } ], "scope": 22050, "src": "135:2358:77" } ], "src": "0:2494:77" }, "legacyAST": { "absolutePath": "@digix/solidity-collections/contracts/abstract/BytesIteratorStorage.sol", "exportedSymbols": { "BytesIteratorStorage": [ 22049 ] }, "id": 22050, "nodeType": "SourceUnit", "nodes": [ { "id": 21968, "literals": [ "solidity", "^", "0.4", ".19" ], "nodeType": "PragmaDirective", "src": "0:24:77" }, { "absolutePath": "@digix/solidity-collections/contracts/lib/DoublyLinkedList.sol", "file": "../lib/DoublyLinkedList.sol", "id": 21969, "nodeType": "ImportDirective", "scope": 22050, "sourceUnit": 25117, "src": "26:37:77", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@title Bytes Iterator Storage\n@author DigixGlobal Pte Ltd", "fullyImplemented": true, "id": 22049, "linearizedBaseContracts": [ 22049 ], "name": "BytesIteratorStorage", "nodeType": "ContractDefinition", "nodes": [ { "id": 21972, "libraryName": { "contractScope": null, "id": 21970, "name": "DoublyLinkedList", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 25116, "src": "220:16:77", "typeDescriptions": { "typeIdentifier": "t_contract$_DoublyLinkedList_$25116", "typeString": "library DoublyLinkedList" } }, "nodeType": "UsingForDirective", "src": "214:50:77", "typeName": { "contractScope": null, "id": 21971, "name": "DoublyLinkedList.Bytes", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22605, "src": "241:22:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" } } }, { "body": { "id": 21985, "nodeType": "Block", "src": "573:37:77", "statements": [ { "expression": { "argumentTypes": null, "id": 21983, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 21979, "name": "_item", "nodeType": "Identifier", 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"kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "930:16:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "922:24:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 21998, "nodeType": "ExpressionStatement", "src": "922:24:77" } ] }, "documentation": "@notice Reads the last item from the list of Bytes\n@param _list The source list\n@return {\"_item\": \"The last item from the list\"}", "id": 22000, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "read_last_from_bytesarray", "nodeType": "FunctionDefinition", "parameters": { "id": 21989, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 21988, "name": "_list", "nodeType": "VariableDeclaration", "scope": 22000, "src": "801:36:77", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" }, "typeName": { "contractScope": null, "id": 21987, "name": "DoublyLinkedList.Bytes", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22605, "src": "801:22:77", "typeDescriptions": { "typeIdentifier": "t_struct$_Bytes_$22605_storage_ptr", "typeString": "struct DoublyLinkedList.Bytes" } }, "value": null, "visibility": "internal" } ], "src": "800:38:77" }, "payable": false, "returnParameters": { "id": 21992, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 21991, "name": "_item", "nodeType": "VariableDeclaration", "scope": 22000, "src": "899:13:77", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 21990, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "899:7:77", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": 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