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"source": "// \"SPDX-License-Identifier: Apache-2.0\"\npragma solidity ^0.6.11;\npragma experimental ABIEncoderV2;\n\nimport \"../ACTUSTypes.sol\";\n\n/**\n * @title EventUtils\n * @notice Methods for encoding decoding events\n */\ncontract EventUtils {\n\n function encodeEvent(EventType eventType, uint256 scheduleTime)\n public\n pure\n returns (bytes32)\n {\n return (\n bytes32(uint256(uint8(eventType))) << 248 |\n bytes32(scheduleTime)\n );\n }\n\n function decodeEvent(bytes32 _event)\n public\n pure\n returns (EventType, uint256)\n {\n EventType eventType = EventType(uint8(uint256(_event >> 248)));\n uint256 scheduleTime = uint256(uint64(uint256(_event)));\n\n return (eventType, scheduleTime);\n }\n\n /**\n * @notice Returns the epoch offset for a given event type to determine the\n * correct order of events if multiple events have the same timestamp\n */\n function getEpochOffset(EventType eventType)\n public\n pure\n returns (uint256)\n {\n return uint256(eventType);\n }\n}\n", 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encoding decoding events" }, "fullyImplemented": true, "id": 24758, "linearizedBaseContracts": [ 24758 ], "name": "EventUtils", "nodeType": "ContractDefinition", "nodes": [ { "body": { "id": 24701, "nodeType": "Block", "src": "356:125:82", "statements": [ { "expression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "id": 24698, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "id": 24693, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 24688, "name": "eventType", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 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