github.com/codingfuture/orig-energi3@v0.8.4/energi/contracts/src/ICheckpointRegistry.sol (about) 1 // Copyright 2019 The Energi Core Authors 2 // This file is part of Energi Core. 3 // 4 // Energi Core is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // Energi Core is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with Energi Core. If not, see <http://www.gnu.org/licenses/>. 16 17 // Energi Governance system is the fundamental part of Energi Core. 18 19 // NOTE: It's not allowed to change the compiler due to byte-to-byte 20 // match requirement. 21 pragma solidity 0.5.16; 22 //pragma experimental SMTChecker; 23 pragma experimental ABIEncoderV2; 24 25 import { ICheckpoint } from "./ICheckpoint.sol"; 26 27 /** 28 * Genesis version of CheckpointRegistry interface. 29 * 30 * NOTE: it MUST NOT change after blockchain launch! 31 */ 32 interface ICheckpointRegistry { 33 event Checkpoint( 34 uint indexed number, 35 bytes32 hash, 36 ICheckpoint checkpoint 37 ); 38 39 function CPP_signer() external view returns(address); 40 41 function propose(uint number, bytes32 hash, bytes calldata signature) external returns(ICheckpoint); 42 function checkpoints() external view returns(ICheckpoint[] memory); 43 function signatureBase(uint number, bytes32 hash) external view returns(bytes32 sigbase); 44 function sign(ICheckpoint checkpoint, bytes calldata signature) external; 45 }