github.com/klaytn/klaytn@v1.12.1/crypto/bls/blst/cache.go (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  package blst
    18  
    19  import (
    20  	"github.com/klaytn/klaytn/common"
    21  	"github.com/klaytn/klaytn/crypto"
    22  )
    23  
    24  var (
    25  	publicKeyCache common.Cache // PublicKey Uncompress
    26  	signatureCache common.Cache // Signature Uncompress
    27  )
    28  
    29  func cacheKey(b []byte) common.CacheKey {
    30  	return crypto.Keccak256Hash(b)
    31  }
    32  
    33  func init() {
    34  	cacheConfig := common.LRUConfig{CacheSize: 200}
    35  	publicKeyCache = common.NewCache(cacheConfig)
    36  	signatureCache = common.NewCache(cacheConfig)
    37  }