github.com/ethereum/go-ethereum@v1.14.3/consensus/beacon/faker.go (about)

     1  // Copyright 2023 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package beacon
    18  
    19  import (
    20  	"math/big"
    21  
    22  	"github.com/ethereum/go-ethereum/consensus"
    23  	"github.com/ethereum/go-ethereum/core/types"
    24  )
    25  
    26  // NewFaker creates a fake consensus engine for testing.
    27  // The fake engine simulates a merged network.
    28  // It can not be used to test the merge transition.
    29  // This type is needed since the fakeChainReader can not be used with
    30  // a normal beacon consensus engine.
    31  func NewFaker() consensus.Engine {
    32  	return new(faker)
    33  }
    34  
    35  type faker struct {
    36  	Beacon
    37  }
    38  
    39  func (f *faker) CalcDifficulty(chain consensus.ChainHeaderReader, time uint64, parent *types.Header) *big.Int {
    40  	return beaconDifficulty
    41  }