github.com/klaytn/klaytn@v1.12.1/contracts/system_contracts/kip113/IKIP113.sol (about)

     1  // Copyright 2023 The klaytn Authors
     2  // This file is part of the klaytn library.
     3  //
     4  // The klaytn library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser 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  // The klaytn library 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 Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the klaytn library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  // SPDX-License-Identifier: LGPL-3.0-only
    18  pragma solidity ^0.8.0;
    19  
    20  /// @title KIP-113 BLS public key registry
    21  /// @dev See https://github.com/klaytn/kips/issues/113
    22  interface IKIP113 {
    23      struct BlsPublicKeyInfo {
    24          /// @dev compressed BLS12-381 public key (48 bytes)
    25          bytes publicKey;
    26          /// @dev proof-of-possession (96 bytes)
    27          ///  must be a result of PopProve algorithm as per
    28          ///  draft-irtf-cfrg-bls-signature-05 section 3.3.3.
    29          ///  with ciphersuite "BLS_SIG_BLS12381G2_XMD:SHA-256_SSWU_RO_POP_"
    30          bytes pop;
    31      }
    32  
    33      /// @dev Returns all the stored addresses, public keys, and proof-of-possessions at once.
    34      ///  _Note_ The function is not able to verify the validity of the public key and the proof-of-possession due to the lack of [EIP-2537](https://eips.ethereum.org/EIPS/eip-2537). See [validation](https://kips.klaytn.foundation/KIPs/kip-113#validation) for off-chain validation.
    35      function getAllBlsInfo() external view returns (address[] memory nodeIdList, BlsPublicKeyInfo[] memory pubkeyList);
    36  }