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/*
* Copyright 2018 The CovenantSQL Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package sqlchain
import (
"bytes"
"encoding/hex"
"fmt"
"math/rand"
"path"
"sync"
"testing"
"time"
"github.com/CovenantSQL/CovenantSQL/conf"
"github.com/CovenantSQL/CovenantSQL/consistent"
"github.com/CovenantSQL/CovenantSQL/crypto/hash"
"github.com/CovenantSQL/CovenantSQL/crypto/kms"
"github.com/CovenantSQL/CovenantSQL/proto"
"github.com/CovenantSQL/CovenantSQL/route"
"github.com/CovenantSQL/CovenantSQL/rpc"
"github.com/CovenantSQL/CovenantSQL/utils/log"
)
var (
testPeersNumber = 5
testPeriod = 1 * time.Second
testTick = 100 * time.Millisecond
testQueryTTL int32 = 10
testDatabaseID = proto.DatabaseID(hash.THashH([]byte{'d', 'b'}).String())
testPeriodNumber int32 = 10
testClientNumberPerChain = 3
testUpdatePeriod uint64 = 2
)
type chainParams struct {
dbfile string
server *rpc.Server
mux *MuxService
config *Config
chain *Chain
}
func TestIndexKey(t *testing.T) {
for i := 0; i < 10; i++ {
b1, err := createRandomBlock(genesisHash, false)
if err != nil {
t.Fatalf("error occurred: %v", err)
}
b2, err := createRandomBlock(genesisHash, false)
if err != nil {
t.Fatalf("error occurred: %v", err)
}
// Test partial order
bi1 := newBlockNode(rand.Int31(), b1, nil)
bi2 := newBlockNode(rand.Int31(), b2, nil)
k1 := bi1.indexKey()
k2 := bi2.indexKey()
if c1, c2 := bytes.Compare(k1, k2) < 0, bi1.height < bi2.height; c1 != c2 {
t.Fatalf("unexpected compare result: heights=%d,%d keys=%s,%s",
bi1.height, bi2.height, hex.EncodeToString(k1), hex.EncodeToString(k2))
}
if c1, c2 := bytes.Compare(k1, k2) > 0, bi1.height > bi2.height; c1 != c2 {
t.Fatalf("unexpected compare result: heights=%d,%d keys=%s,%s",
bi1.height, bi2.height, hex.EncodeToString(k1), hex.EncodeToString(k2))
}
}
}
func TestMultiChain(t *testing.T) {
log.SetLevel(log.InfoLevel)
// Create genesis block
genesis, err := createRandomBlock(genesisHash, true)
if err != nil {
t.Fatalf("error occurred: %v", err)
}
// Create peer list: `testPeersNumber` miners + 1 block producer
nis, peers, err := createTestPeers(testPeersNumber + 1)
if err != nil {
t.Fatalf("error occurred: %v", err)
}
for i, p := range peers.Servers {
t.Logf("Peer #%d: %s", i, p)
}
// Create config info from created nodes
bpinfo := &conf.BPInfo{
PublicKey: testPubKey,
NodeID: peers.Servers[testPeersNumber],
Nonce: nis[testPeersNumber].Nonce,
}
knownnodes := make([]proto.Node, 0, testPeersNumber+1)
for i, v := range peers.Servers {
knownnodes = append(knownnodes, proto.Node{
ID: v,
Role: func() proto.ServerRole {
if i < testPeersNumber {
return proto.Miner
}
return proto.Leader
}(),
Addr: "",
PublicKey: testPubKey,
Nonce: nis[i].Nonce,
})
}
// Rip BP from peer list
peers.Servers = peers.Servers[:testPeersNumber]
// Create sql-chain instances
chains := make([]*chainParams, testPeersNumber)
for i := range chains {
// Combine data file path
dbfile := path.Join(testDataDir, fmt.Sprintf("%s-%02d", t.Name(), i))
// Create new RPC server
server := rpc.NewServer()
if err = server.InitRPCServer("127.0.0.1:0", testPrivKeyFile, testMasterKey); err != nil {
t.Fatalf("error occurred: %v", err)
}
go server.Serve()
defer server.Stop()
// Create multiplexing service from RPC server
mux, err := NewMuxService(route.SQLChainRPCName, server)
if err != nil {
t.Fatalf("error occurred: %v", err)
}
// Create chain instance
config := &Config{
DatabaseID: testDatabaseID,
ChainFilePrefix: dbfile,
DataFile: dbfile,
Genesis: genesis,
Period: testPeriod,
Tick: testTick,
MuxService: mux,
Server: peers.Servers[i],
Peers: peers,
QueryTTL: testQueryTTL,
UpdatePeriod: testUpdatePeriod,
}
chain, err := NewChain(config)
if err != nil {
t.Fatalf("error occurred: %v", err)
}
// Set chain parameters
chains[i] = &chainParams{
dbfile: dbfile,
server: server,
mux: mux,
config: config,
chain: chain,
}
}
// Create a master BP for RPC test
bpsvr := rpc.NewServer()
if err = bpsvr.InitRPCServer("127.0.0.1:0", testPrivKeyFile, testMasterKey); err != nil {
return
}
go bpsvr.Serve()
defer bpsvr.Stop()
// Create global config and initialize route table
knownnodes[testPeersNumber].Addr = bpsvr.Listener.Addr().String()
for i, v := range chains {
knownnodes[i].Addr = v.server.Listener.Addr().String()
}
conf.GConf = &conf.Config{
IsTestMode: true,
GenerateKeyPair: false,
WorkingRoot: testDataDir,
PubKeyStoreFile: "public.keystore",
PrivateKeyFile: "private.key",
DHTFileName: "dht.db",
ListenAddr: bpsvr.Listener.Addr().String(),
ThisNodeID: bpinfo.NodeID,
ValidDNSKeys: map[string]string{
"koPbw9wmYZ7ggcjnQ6ayHyhHaDNMYELKTqT+qRGrZpWSccr/lBcrm10Z1PuQHB3Azhii+sb0PYFkH1ruxLhe5g==": "cloudflare.com",
"mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==": "cloudflare.com",
},
MinNodeIDDifficulty: 2,
DNSSeed: conf.DNSSeed{
EnforcedDNSSEC: false,
DNSServers: []string{
"1.1.1.1",
"202.46.34.74",
"202.46.34.75",
"202.46.34.76",
},
},
BP: bpinfo,
KnownNodes: knownnodes,
}
// Start BP
if dht, err := route.NewDHTService(testDHTStoreFile, new(consistent.KMSStorage), true); err != nil {
t.Fatalf("error occurred: %v", err)
} else if err = bpsvr.RegisterService(route.DHTRPCName, dht); err != nil {
t.Fatalf("error occurred: %v", err)
}
for _, n := range conf.GConf.KnownNodes {
rawNodeID := n.ID.ToRawNodeID()
route.SetNodeAddrCache(rawNodeID, n.Addr)
node := &proto.Node{
ID: n.ID,
Addr: n.Addr,
PublicKey: n.PublicKey,
Nonce: n.Nonce,
Role: n.Role,
}
if err = kms.SetNode(node); err != nil {
t.Fatalf("error occurred: %v", err)
}
if n.ID == conf.GConf.ThisNodeID {
kms.SetLocalNodeIDNonce(rawNodeID.CloneBytes(), &n.Nonce)
}
}
// Test chain data reloading before exit
for _, v := range chains {
defer func(p *chainParams) {
if chain, err := NewChain(p.config); err != nil {
t.Errorf("error occurred: %v", err)
} else {
t.Logf("Load chain from file %s: head = %s height = %d",
p.dbfile, chain.rt.getHead().Head, chain.rt.getHead().Height)
}
}(v)
}
// Start all chain instances
for _, v := range chains {
if err = v.chain.Start(); err != nil {
t.Fatalf("error occurred: %v", err)
}
defer func(c *Chain) {
// Stop chain main process before exit
c.Stop()
}(v.chain)
}
// Should be able to fetch all acks in all peers
for _, v := range chains {
defer func(c *Chain) {
var ch = c.rt.getHead().Height
for i := int32(0); i <= ch; i++ {
var node *blockNode
if node = c.rt.getHead().node.ancestor(i); node == nil {
t.Logf("Block at height %d not found in peer %s, continue",
i, c.rt.getPeerInfoString())
continue
}
if node.block != nil {
t.Logf("Checking block %v at height %d in peer %s",
node.block.BlockHash(), i, c.rt.getPeerInfoString())
}
}
}(v.chain)
}
// Create some random clients to push new queries
for i, v := range chains {
sC := make(chan struct{})
wg := &sync.WaitGroup{}
wk := &nodeProfile{
NodeID: peers.Servers[i],
PrivateKey: testPrivKey,
PublicKey: testPubKey,
}
for j := 0; j < testClientNumberPerChain; j++ {
cli, err := newRandomNode()
if err != nil {
t.Fatalf("error occurred: %v", err)
}
wg.Add(1)
go func(c *Chain, p *nodeProfile) {
defer wg.Done()
foreverLoop:
for {
select {
case <-sC:
break foreverLoop
default:
// Send a random query
resp, err := createRandomQueryResponse(p, wk)
if err != nil {
t.Errorf("error occurred: %v", err)
} else if err = c.AddResponse(resp); err != nil {
t.Errorf("error occurred: %v", err)
}
time.Sleep(time.Duration(rand.Int63n(500)+1) * time.Millisecond)
ack, err := createRandomQueryAckWithResponse(resp, p)
if err != nil {
t.Errorf("error occurred: %v", err)
} else if err = c.VerifyAndPushAckedQuery(ack); err != nil {
t.Errorf("error occurred: %v", err)
}
}
}
}(v.chain, cli)
}
defer func() {
// Quit client goroutines
close(sC)
wg.Wait()
}()
}
time.Sleep(time.Duration(testPeriodNumber) * testPeriod)
}