61 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package core
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| 
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| import (
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| 	"math/big"
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| 	"testing"
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| 
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| 	"github.com/ethereum/go-ethereum/common"
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| 	"github.com/ethereum/go-ethereum/core/types"
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| )
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| 
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| func newChain(size int) (chain []*types.Block) {
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| 	var parentHash common.Hash
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| 	for i := 0; i < size; i++ {
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| 		block := types.NewBlock(parentHash, common.Address{}, common.Hash{}, new(big.Int), 0, nil)
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| 		block.Header().Number = big.NewInt(int64(i))
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| 		chain = append(chain, block)
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| 		parentHash = block.Hash()
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| 	}
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| 	return
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| }
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| 
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| func insertChainCache(cache *BlockCache, chain []*types.Block) {
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| 	for _, block := range chain {
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| 		cache.Push(block)
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| 	}
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| }
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| 
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| func TestNewBlockCache(t *testing.T) {
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| 	chain := newChain(3)
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| 	cache := NewBlockCache(2)
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| 	insertChainCache(cache, chain)
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| 
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| 	if cache.hashes[0] != chain[1].Hash() {
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| 		t.Error("oldest block incorrect")
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| 	}
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| }
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| 
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| func TestInclusion(t *testing.T) {
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| 	chain := newChain(3)
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| 	cache := NewBlockCache(3)
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| 	insertChainCache(cache, chain)
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| 
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| 	for _, block := range chain {
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| 		if b := cache.Get(block.Hash()); b == nil {
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| 			t.Errorf("getting %x failed", block.Hash())
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| 		}
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| 	}
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| }
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| 
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| func TestDeletion(t *testing.T) {
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| 	chain := newChain(3)
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| 	cache := NewBlockCache(3)
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| 	insertChainCache(cache, chain)
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| 
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| 	cache.Delete(chain[1].Hash())
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| 
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| 	if cache.Has(chain[1].Hash()) {
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| 		t.Errorf("expected %x not to be included")
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| 	}
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| }
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