op-geth/consensus/beacon/faker.go

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// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package beacon
import (
"math/big"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/core/types"
)
// NewFaker creates a fake consensus engine for testing.
// The fake engine simulates a merged network.
// It can not be used to test the merge transition.
// This type is needed since the fakeChainReader can not be used with
// a normal beacon consensus engine.
func NewFaker() consensus.Engine {
return new(faker)
}
type faker struct {
Beacon
}
func (f *faker) CalcDifficulty(chain consensus.ChainHeaderReader, time uint64, parent *types.Header) *big.Int {
return beaconDifficulty
}