mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum 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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// go-ethereum 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 go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package core
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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/common"
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"github.com/ethereum/go-ethereum/core/types"
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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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head := &types.Header{ParentHash: parentHash, Number: big.NewInt(int64(i))}
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block := types.NewBlock(head, nil, nil, nil)
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chain = append(chain, block)
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parentHash = block.Hash()
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}
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return chain
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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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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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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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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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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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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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cache.Delete(chain[1].Hash())
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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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