github.com/klaytn/klaytn@v1.12.1/blockchain/init_derive_sha.go (about)

     1  // Copyright 2018 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 blockchain
    18  
    19  import (
    20  	"github.com/klaytn/klaytn/blockchain/types/derivesha"
    21  	"github.com/klaytn/klaytn/params"
    22  )
    23  
    24  // InitDeriveSha makes DeriveSha() and EmptyRootHash() depend on only ChainConfig.DeriveShaImpl.
    25  // Call InitDeriveSha when you work exclusivly with genesis block (e.g. initGenesis)
    26  func InitDeriveSha(config *params.ChainConfig) {
    27  	derivesha.InitDeriveSha(config, nil)
    28  }
    29  
    30  // InitDeriveShaWithGov makes DeriveSha() and EmptyRootHash depend on the
    31  // governance parameters. For any given block number, correct DeriveShaImpl will be used.
    32  // Call InitDeriveShaWithGov before processing blocks.
    33  func InitDeriveShaWithGov(config *params.ChainConfig, gov derivesha.GovernanceEngine) {
    34  	derivesha.InitDeriveSha(config, gov)
    35  }