This commit adds pluggable consensus engines to go-ethereum. In short, it introduces a generic consensus interface, and refactors the entire codebase to use this interface.
		
			
				
	
	
		
			41 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package ethash
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import (
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	"math/big"
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	"testing"
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	"github.com/ethereum/go-ethereum/core/types"
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)
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// Tests that ethash works correctly in test mode.
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func TestTestMode(t *testing.T) {
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	head := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)}
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	ethash := NewTester()
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	block, err := ethash.Seal(nil, types.NewBlockWithHeader(head), nil)
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	if err != nil {
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		t.Fatalf("failed to seal block: %v", err)
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	}
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	head.Nonce = types.EncodeNonce(block.Nonce())
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	head.MixDigest = block.MixDigest()
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	if err := ethash.VerifySeal(nil, head); err != nil {
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		t.Fatalf("unexpected verification error: %v", err)
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	}
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}
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