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https://gitlab.com/pulsechaincom/go-pulse.git
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125 lines
3.9 KiB
Go
125 lines
3.9 KiB
Go
// Copyright 2018 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 storage
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import (
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"bytes"
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"context"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/swarm/chunk"
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"github.com/ethereum/go-ethereum/swarm/storage/encryption"
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)
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func TestHasherStore(t *testing.T) {
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var tests = []struct {
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chunkLength int
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toEncrypt bool
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}{
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{10, false},
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{100, false},
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{1000, false},
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{4096, false},
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{10, true},
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{100, true},
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{1000, true},
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{4096, true},
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}
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for _, tt := range tests {
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chunkStore := NewMapChunkStore()
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hasherStore := NewHasherStore(chunkStore, MakeHashFunc(DefaultHash), tt.toEncrypt)
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// Put two random chunks into the hasherStore
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chunkData1 := GenerateRandomChunk(int64(tt.chunkLength)).Data()
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ctx, cancel := context.WithTimeout(context.Background(), getTimeout)
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defer cancel()
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key1, err := hasherStore.Put(ctx, chunkData1)
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if err != nil {
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t.Fatalf("Expected no error got \"%v\"", err)
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}
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chunkData2 := GenerateRandomChunk(int64(tt.chunkLength)).Data()
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key2, err := hasherStore.Put(ctx, chunkData2)
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if err != nil {
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t.Fatalf("Expected no error got \"%v\"", err)
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}
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hasherStore.Close()
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// Wait until chunks are really stored
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err = hasherStore.Wait(ctx)
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if err != nil {
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t.Fatalf("Expected no error got \"%v\"", err)
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}
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// Get the first chunk
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retrievedChunkData1, err := hasherStore.Get(ctx, key1)
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if err != nil {
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t.Fatalf("Expected no error, got \"%v\"", err)
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}
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// Retrieved data should be same as the original
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if !bytes.Equal(chunkData1, retrievedChunkData1) {
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t.Fatalf("Expected retrieved chunk data %v, got %v", common.Bytes2Hex(chunkData1), common.Bytes2Hex(retrievedChunkData1))
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}
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// Get the second chunk
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retrievedChunkData2, err := hasherStore.Get(ctx, key2)
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if err != nil {
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t.Fatalf("Expected no error, got \"%v\"", err)
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}
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// Retrieved data should be same as the original
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if !bytes.Equal(chunkData2, retrievedChunkData2) {
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t.Fatalf("Expected retrieved chunk data %v, got %v", common.Bytes2Hex(chunkData2), common.Bytes2Hex(retrievedChunkData2))
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}
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hash1, encryptionKey1, err := parseReference(key1, hasherStore.hashSize)
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if err != nil {
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t.Fatalf("Expected no error, got \"%v\"", err)
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}
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if tt.toEncrypt {
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if encryptionKey1 == nil {
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t.Fatal("Expected non-nil encryption key, got nil")
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} else if len(encryptionKey1) != encryption.KeyLength {
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t.Fatalf("Expected encryption key length %v, got %v", encryption.KeyLength, len(encryptionKey1))
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}
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}
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if !tt.toEncrypt && encryptionKey1 != nil {
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t.Fatalf("Expected nil encryption key, got key with length %v", len(encryptionKey1))
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}
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// Check if chunk data in store is encrypted or not
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chunkInStore, err := chunkStore.Get(ctx, chunk.ModeGetRequest, hash1)
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if err != nil {
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t.Fatalf("Expected no error got \"%v\"", err)
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}
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chunkDataInStore := chunkInStore.Data()
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if tt.toEncrypt && bytes.Equal(chunkData1, chunkDataInStore) {
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t.Fatalf("Chunk expected to be encrypted but it is stored without encryption")
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}
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if !tt.toEncrypt && !bytes.Equal(chunkData1, chunkDataInStore) {
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t.Fatalf("Chunk expected to be not encrypted but stored content is different. Expected %v got %v", common.Bytes2Hex(chunkData1), common.Bytes2Hex(chunkDataInStore))
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}
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}
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}
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