swarm: plan bee for content storage and distribution on web3
This change imports the Swarm protocol codebase. Compared to the 'swarm' branch, a few mostly cosmetic changes had to be made: * The various redundant log message prefixes are gone. * All files now have LGPLv3 license headers. * Minor code changes were needed to please go vet and make the tests pass on Windows. * Further changes were required to adapt to the go-ethereum develop branch and its new Go APIs. Some code has not (yet) been brought over: * swarm/cmd/bzzhash: will reappear as cmd/bzzhash later * swarm/cmd/bzzup.sh: will be reimplemented in cmd/bzzup * swarm/cmd/makegenesis: will reappear somehow * swarm/examples/album: will move to a separate repository * swarm/examples/filemanager: ditto * swarm/examples/files: will not be merged * swarm/test/*: will not be merged * swarm/services/swear: will reappear as contracts/swear when needed
This commit is contained in:
ΞTHΞЯSPHΞЯΞ
Felix Lange
191
swarm/storage/dbstore_test.go
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191
swarm/storage/dbstore_test.go
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// Copyright 2016 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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"io/ioutil"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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)
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func initDbStore(t *testing.T) *DbStore {
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dir, err := ioutil.TempDir("", "bzz-storage-test")
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if err != nil {
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t.Fatal(err)
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}
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m, err := NewDbStore(dir, MakeHashFunc(defaultHash), defaultDbCapacity, defaultRadius)
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if err != nil {
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t.Fatal("can't create store:", err)
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}
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return m
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}
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func testDbStore(l int64, branches int64, t *testing.T) {
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m := initDbStore(t)
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defer m.close()
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testStore(m, l, branches, t)
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}
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func TestDbStore128_0x1000000(t *testing.T) {
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testDbStore(0x1000000, 128, t)
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}
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func TestDbStore128_10000_(t *testing.T) {
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testDbStore(10000, 128, t)
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}
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func TestDbStore128_1000_(t *testing.T) {
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testDbStore(1000, 128, t)
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}
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func TestDbStore128_100_(t *testing.T) {
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testDbStore(100, 128, t)
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}
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func TestDbStore2_100_(t *testing.T) {
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testDbStore(100, 2, t)
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}
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func TestDbStoreNotFound(t *testing.T) {
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m := initDbStore(t)
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defer m.close()
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_, err := m.Get(ZeroKey)
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if err != notFound {
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t.Errorf("Expected notFound, got %v", err)
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}
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}
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func TestDbStoreSyncIterator(t *testing.T) {
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m := initDbStore(t)
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defer m.close()
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keys := []Key{
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Key(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000000")),
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Key(common.Hex2Bytes("4000000000000000000000000000000000000000000000000000000000000000")),
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Key(common.Hex2Bytes("5000000000000000000000000000000000000000000000000000000000000000")),
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Key(common.Hex2Bytes("3000000000000000000000000000000000000000000000000000000000000000")),
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Key(common.Hex2Bytes("2000000000000000000000000000000000000000000000000000000000000000")),
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Key(common.Hex2Bytes("1000000000000000000000000000000000000000000000000000000000000000")),
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}
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for _, key := range keys {
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m.Put(NewChunk(key, nil))
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}
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it, err := m.NewSyncIterator(DbSyncState{
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Start: Key(common.Hex2Bytes("1000000000000000000000000000000000000000000000000000000000000000")),
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Stop: Key(common.Hex2Bytes("4000000000000000000000000000000000000000000000000000000000000000")),
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First: 2,
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Last: 4,
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})
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if err != nil {
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t.Fatalf("unexpected error creating NewSyncIterator")
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}
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var chunk Key
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var res []Key
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for {
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chunk = it.Next()
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if chunk == nil {
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break
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}
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res = append(res, chunk)
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}
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if len(res) != 1 {
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t.Fatalf("Expected 1 chunk, got %v: %v", len(res), res)
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}
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if !bytes.Equal(res[0][:], keys[3]) {
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t.Fatalf("Expected %v chunk, got %v", keys[3], res[0])
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}
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if err != nil {
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t.Fatalf("unexpected error creating NewSyncIterator")
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}
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it, err = m.NewSyncIterator(DbSyncState{
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Start: Key(common.Hex2Bytes("1000000000000000000000000000000000000000000000000000000000000000")),
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Stop: Key(common.Hex2Bytes("5000000000000000000000000000000000000000000000000000000000000000")),
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First: 2,
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Last: 4,
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})
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res = nil
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for {
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chunk = it.Next()
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if chunk == nil {
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break
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}
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res = append(res, chunk)
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}
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if len(res) != 2 {
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t.Fatalf("Expected 2 chunk, got %v: %v", len(res), res)
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}
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if !bytes.Equal(res[0][:], keys[3]) {
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t.Fatalf("Expected %v chunk, got %v", keys[3], res[0])
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}
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if !bytes.Equal(res[1][:], keys[2]) {
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t.Fatalf("Expected %v chunk, got %v", keys[2], res[1])
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}
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if err != nil {
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t.Fatalf("unexpected error creating NewSyncIterator")
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}
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it, err = m.NewSyncIterator(DbSyncState{
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Start: Key(common.Hex2Bytes("1000000000000000000000000000000000000000000000000000000000000000")),
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Stop: Key(common.Hex2Bytes("4000000000000000000000000000000000000000000000000000000000000000")),
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First: 2,
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Last: 5,
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})
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res = nil
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for {
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chunk = it.Next()
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if chunk == nil {
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break
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}
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res = append(res, chunk)
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}
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if len(res) != 2 {
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t.Fatalf("Expected 2 chunk, got %v", len(res))
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}
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if !bytes.Equal(res[0][:], keys[4]) {
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t.Fatalf("Expected %v chunk, got %v", keys[4], res[0])
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}
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if !bytes.Equal(res[1][:], keys[3]) {
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t.Fatalf("Expected %v chunk, got %v", keys[3], res[1])
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}
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it, err = m.NewSyncIterator(DbSyncState{
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Start: Key(common.Hex2Bytes("2000000000000000000000000000000000000000000000000000000000000000")),
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Stop: Key(common.Hex2Bytes("4000000000000000000000000000000000000000000000000000000000000000")),
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First: 2,
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Last: 5,
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})
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res = nil
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for {
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chunk = it.Next()
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if chunk == nil {
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break
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}
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res = append(res, chunk)
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}
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if len(res) != 1 {
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t.Fatalf("Expected 1 chunk, got %v", len(res))
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}
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if !bytes.Equal(res[0][:], keys[3]) {
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t.Fatalf("Expected %v chunk, got %v", keys[3], res[0])
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}
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}
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