381 lines
11 KiB
Go
381 lines
11 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package discover
|
|
|
|
import (
|
|
"bytes"
|
|
"io/ioutil"
|
|
"net"
|
|
"os"
|
|
"path/filepath"
|
|
"reflect"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
var nodeDBKeyTests = []struct {
|
|
id NodeID
|
|
field string
|
|
key []byte
|
|
}{
|
|
{
|
|
id: NodeID{},
|
|
field: "version",
|
|
key: []byte{0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e}, // field
|
|
},
|
|
{
|
|
id: MustHexID("0x1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
|
|
field: ":discover",
|
|
key: []byte{0x6e, 0x3a, // prefix
|
|
0x1d, 0xd9, 0xd6, 0x5c, 0x45, 0x52, 0xb5, 0xeb, // node id
|
|
0x43, 0xd5, 0xad, 0x55, 0xa2, 0xee, 0x3f, 0x56, //
|
|
0xc6, 0xcb, 0xc1, 0xc6, 0x4a, 0x5c, 0x8d, 0x65, //
|
|
0x9f, 0x51, 0xfc, 0xd5, 0x1b, 0xac, 0xe2, 0x43, //
|
|
0x51, 0x23, 0x2b, 0x8d, 0x78, 0x21, 0x61, 0x7d, //
|
|
0x2b, 0x29, 0xb5, 0x4b, 0x81, 0xcd, 0xef, 0xb9, //
|
|
0xb3, 0xe9, 0xc3, 0x7d, 0x7f, 0xd5, 0xf6, 0x32, //
|
|
0x70, 0xbc, 0xc9, 0xe1, 0xa6, 0xf6, 0xa4, 0x39, //
|
|
0x3a, 0x64, 0x69, 0x73, 0x63, 0x6f, 0x76, 0x65, 0x72, // field
|
|
},
|
|
},
|
|
}
|
|
|
|
func TestNodeDBKeys(t *testing.T) {
|
|
for i, tt := range nodeDBKeyTests {
|
|
if key := makeKey(tt.id, tt.field); !bytes.Equal(key, tt.key) {
|
|
t.Errorf("make test %d: key mismatch: have 0x%x, want 0x%x", i, key, tt.key)
|
|
}
|
|
id, field := splitKey(tt.key)
|
|
if !bytes.Equal(id[:], tt.id[:]) {
|
|
t.Errorf("split test %d: id mismatch: have 0x%x, want 0x%x", i, id, tt.id)
|
|
}
|
|
if field != tt.field {
|
|
t.Errorf("split test %d: field mismatch: have 0x%x, want 0x%x", i, field, tt.field)
|
|
}
|
|
}
|
|
}
|
|
|
|
var nodeDBInt64Tests = []struct {
|
|
key []byte
|
|
value int64
|
|
}{
|
|
{key: []byte{0x01}, value: 1},
|
|
{key: []byte{0x02}, value: 2},
|
|
{key: []byte{0x03}, value: 3},
|
|
}
|
|
|
|
func TestNodeDBInt64(t *testing.T) {
|
|
db, _ := newNodeDB("", Version, NodeID{})
|
|
defer db.close()
|
|
|
|
tests := nodeDBInt64Tests
|
|
for i := 0; i < len(tests); i++ {
|
|
// Insert the next value
|
|
if err := db.storeInt64(tests[i].key, tests[i].value); err != nil {
|
|
t.Errorf("test %d: failed to store value: %v", i, err)
|
|
}
|
|
// Check all existing and non existing values
|
|
for j := 0; j < len(tests); j++ {
|
|
num := db.fetchInt64(tests[j].key)
|
|
switch {
|
|
case j <= i && num != tests[j].value:
|
|
t.Errorf("test %d, item %d: value mismatch: have %v, want %v", i, j, num, tests[j].value)
|
|
case j > i && num != 0:
|
|
t.Errorf("test %d, item %d: value mismatch: have %v, want %v", i, j, num, 0)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestNodeDBFetchStore(t *testing.T) {
|
|
node := NewNode(
|
|
MustHexID("0x1dd9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
|
|
net.IP{192, 168, 0, 1},
|
|
30303,
|
|
30303,
|
|
)
|
|
inst := time.Now()
|
|
num := 314
|
|
|
|
db, _ := newNodeDB("", Version, NodeID{})
|
|
defer db.close()
|
|
|
|
// Check fetch/store operations on a node ping object
|
|
if stored := db.lastPing(node.ID); stored.Unix() != 0 {
|
|
t.Errorf("ping: non-existing object: %v", stored)
|
|
}
|
|
if err := db.updateLastPing(node.ID, inst); err != nil {
|
|
t.Errorf("ping: failed to update: %v", err)
|
|
}
|
|
if stored := db.lastPing(node.ID); stored.Unix() != inst.Unix() {
|
|
t.Errorf("ping: value mismatch: have %v, want %v", stored, inst)
|
|
}
|
|
// Check fetch/store operations on a node pong object
|
|
if stored := db.lastPong(node.ID); stored.Unix() != 0 {
|
|
t.Errorf("pong: non-existing object: %v", stored)
|
|
}
|
|
if err := db.updateLastPong(node.ID, inst); err != nil {
|
|
t.Errorf("pong: failed to update: %v", err)
|
|
}
|
|
if stored := db.lastPong(node.ID); stored.Unix() != inst.Unix() {
|
|
t.Errorf("pong: value mismatch: have %v, want %v", stored, inst)
|
|
}
|
|
// Check fetch/store operations on a node findnode-failure object
|
|
if stored := db.findFails(node.ID); stored != 0 {
|
|
t.Errorf("find-node fails: non-existing object: %v", stored)
|
|
}
|
|
if err := db.updateFindFails(node.ID, num); err != nil {
|
|
t.Errorf("find-node fails: failed to update: %v", err)
|
|
}
|
|
if stored := db.findFails(node.ID); stored != num {
|
|
t.Errorf("find-node fails: value mismatch: have %v, want %v", stored, num)
|
|
}
|
|
// Check fetch/store operations on an actual node object
|
|
if stored := db.node(node.ID); stored != nil {
|
|
t.Errorf("node: non-existing object: %v", stored)
|
|
}
|
|
if err := db.updateNode(node); err != nil {
|
|
t.Errorf("node: failed to update: %v", err)
|
|
}
|
|
if stored := db.node(node.ID); stored == nil {
|
|
t.Errorf("node: not found")
|
|
} else if !reflect.DeepEqual(stored, node) {
|
|
t.Errorf("node: data mismatch: have %v, want %v", stored, node)
|
|
}
|
|
}
|
|
|
|
var nodeDBSeedQueryNodes = []struct {
|
|
node *Node
|
|
pong time.Time
|
|
}{
|
|
// This one should not be in the result set because its last
|
|
// pong time is too far in the past.
|
|
{
|
|
node: NewNode(
|
|
MustHexID("0x84d9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
|
|
net.IP{127, 0, 0, 3},
|
|
30303,
|
|
30303,
|
|
),
|
|
pong: time.Now().Add(-3 * time.Hour),
|
|
},
|
|
// This one shouldn't be in in the result set because its
|
|
// nodeID is the local node's ID.
|
|
{
|
|
node: NewNode(
|
|
MustHexID("0x57d9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
|
|
net.IP{127, 0, 0, 3},
|
|
30303,
|
|
30303,
|
|
),
|
|
pong: time.Now().Add(-4 * time.Second),
|
|
},
|
|
|
|
// These should be in the result set.
|
|
{
|
|
node: NewNode(
|
|
MustHexID("0x22d9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
|
|
net.IP{127, 0, 0, 1},
|
|
30303,
|
|
30303,
|
|
),
|
|
pong: time.Now().Add(-2 * time.Second),
|
|
},
|
|
{
|
|
node: NewNode(
|
|
MustHexID("0x44d9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
|
|
net.IP{127, 0, 0, 2},
|
|
30303,
|
|
30303,
|
|
),
|
|
pong: time.Now().Add(-3 * time.Second),
|
|
},
|
|
{
|
|
node: NewNode(
|
|
MustHexID("0xe2d9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
|
|
net.IP{127, 0, 0, 3},
|
|
30303,
|
|
30303,
|
|
),
|
|
pong: time.Now().Add(-1 * time.Second),
|
|
},
|
|
}
|
|
|
|
func TestNodeDBSeedQuery(t *testing.T) {
|
|
db, _ := newNodeDB("", Version, nodeDBSeedQueryNodes[1].node.ID)
|
|
defer db.close()
|
|
|
|
// Insert a batch of nodes for querying
|
|
for i, seed := range nodeDBSeedQueryNodes {
|
|
if err := db.updateNode(seed.node); err != nil {
|
|
t.Fatalf("node %d: failed to insert: %v", i, err)
|
|
}
|
|
if err := db.updateLastPong(seed.node.ID, seed.pong); err != nil {
|
|
t.Fatalf("node %d: failed to insert lastPong: %v", i, err)
|
|
}
|
|
}
|
|
|
|
// Retrieve the entire batch and check for duplicates
|
|
seeds := db.querySeeds(len(nodeDBSeedQueryNodes)*2, time.Hour)
|
|
have := make(map[NodeID]struct{})
|
|
for _, seed := range seeds {
|
|
have[seed.ID] = struct{}{}
|
|
}
|
|
want := make(map[NodeID]struct{})
|
|
for _, seed := range nodeDBSeedQueryNodes[2:] {
|
|
want[seed.node.ID] = struct{}{}
|
|
}
|
|
if len(seeds) != len(want) {
|
|
t.Errorf("seed count mismatch: have %v, want %v", len(seeds), len(want))
|
|
}
|
|
for id := range have {
|
|
if _, ok := want[id]; !ok {
|
|
t.Errorf("extra seed: %v", id)
|
|
}
|
|
}
|
|
for id := range want {
|
|
if _, ok := have[id]; !ok {
|
|
t.Errorf("missing seed: %v", id)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestNodeDBPersistency(t *testing.T) {
|
|
root, err := ioutil.TempDir("", "nodedb-")
|
|
if err != nil {
|
|
t.Fatalf("failed to create temporary data folder: %v", err)
|
|
}
|
|
defer os.RemoveAll(root)
|
|
|
|
var (
|
|
testKey = []byte("somekey")
|
|
testInt = int64(314)
|
|
)
|
|
|
|
// Create a persistent database and store some values
|
|
db, err := newNodeDB(filepath.Join(root, "database"), Version, NodeID{})
|
|
if err != nil {
|
|
t.Fatalf("failed to create persistent database: %v", err)
|
|
}
|
|
if err := db.storeInt64(testKey, testInt); err != nil {
|
|
t.Fatalf("failed to store value: %v.", err)
|
|
}
|
|
db.close()
|
|
|
|
// Reopen the database and check the value
|
|
db, err = newNodeDB(filepath.Join(root, "database"), Version, NodeID{})
|
|
if err != nil {
|
|
t.Fatalf("failed to open persistent database: %v", err)
|
|
}
|
|
if val := db.fetchInt64(testKey); val != testInt {
|
|
t.Fatalf("value mismatch: have %v, want %v", val, testInt)
|
|
}
|
|
db.close()
|
|
|
|
// Change the database version and check flush
|
|
db, err = newNodeDB(filepath.Join(root, "database"), Version+1, NodeID{})
|
|
if err != nil {
|
|
t.Fatalf("failed to open persistent database: %v", err)
|
|
}
|
|
if val := db.fetchInt64(testKey); val != 0 {
|
|
t.Fatalf("value mismatch: have %v, want %v", val, 0)
|
|
}
|
|
db.close()
|
|
}
|
|
|
|
var nodeDBExpirationNodes = []struct {
|
|
node *Node
|
|
pong time.Time
|
|
exp bool
|
|
}{
|
|
{
|
|
node: NewNode(
|
|
MustHexID("0x01d9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
|
|
net.IP{127, 0, 0, 1},
|
|
30303,
|
|
30303,
|
|
),
|
|
pong: time.Now().Add(-nodeDBNodeExpiration + time.Minute),
|
|
exp: false,
|
|
}, {
|
|
node: NewNode(
|
|
MustHexID("0x02d9d65c4552b5eb43d5ad55a2ee3f56c6cbc1c64a5c8d659f51fcd51bace24351232b8d7821617d2b29b54b81cdefb9b3e9c37d7fd5f63270bcc9e1a6f6a439"),
|
|
net.IP{127, 0, 0, 2},
|
|
30303,
|
|
30303,
|
|
),
|
|
pong: time.Now().Add(-nodeDBNodeExpiration - time.Minute),
|
|
exp: true,
|
|
},
|
|
}
|
|
|
|
func TestNodeDBExpiration(t *testing.T) {
|
|
db, _ := newNodeDB("", Version, NodeID{})
|
|
defer db.close()
|
|
|
|
// Add all the test nodes and set their last pong time
|
|
for i, seed := range nodeDBExpirationNodes {
|
|
if err := db.updateNode(seed.node); err != nil {
|
|
t.Fatalf("node %d: failed to insert: %v", i, err)
|
|
}
|
|
if err := db.updateLastPong(seed.node.ID, seed.pong); err != nil {
|
|
t.Fatalf("node %d: failed to update pong: %v", i, err)
|
|
}
|
|
}
|
|
// Expire some of them, and check the rest
|
|
if err := db.expireNodes(); err != nil {
|
|
t.Fatalf("failed to expire nodes: %v", err)
|
|
}
|
|
for i, seed := range nodeDBExpirationNodes {
|
|
node := db.node(seed.node.ID)
|
|
if (node == nil && !seed.exp) || (node != nil && seed.exp) {
|
|
t.Errorf("node %d: expiration mismatch: have %v, want %v", i, node, seed.exp)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestNodeDBSelfExpiration(t *testing.T) {
|
|
// Find a node in the tests that shouldn't expire, and assign it as self
|
|
var self NodeID
|
|
for _, node := range nodeDBExpirationNodes {
|
|
if !node.exp {
|
|
self = node.node.ID
|
|
break
|
|
}
|
|
}
|
|
db, _ := newNodeDB("", Version, self)
|
|
defer db.close()
|
|
|
|
// Add all the test nodes and set their last pong time
|
|
for i, seed := range nodeDBExpirationNodes {
|
|
if err := db.updateNode(seed.node); err != nil {
|
|
t.Fatalf("node %d: failed to insert: %v", i, err)
|
|
}
|
|
if err := db.updateLastPong(seed.node.ID, seed.pong); err != nil {
|
|
t.Fatalf("node %d: failed to update pong: %v", i, err)
|
|
}
|
|
}
|
|
// Expire the nodes and make sure self has been evacuated too
|
|
if err := db.expireNodes(); err != nil {
|
|
t.Fatalf("failed to expire nodes: %v", err)
|
|
}
|
|
node := db.node(self)
|
|
if node != nil {
|
|
t.Errorf("self not evacuated")
|
|
}
|
|
}
|