Roy Crihfield
c4f16290c7
* remove StreamCodeAndCodeHash * Makefile: local build target * clean up comments & unused
403 lines
13 KiB
Go
403 lines
13 KiB
Go
// Copyright 2019 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 statediff_test
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"math/big"
|
|
"math/rand"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/ethereum/go-ethereum"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
"github.com/ethereum/go-ethereum/trie"
|
|
|
|
statediff "github.com/cerc-io/plugeth-statediff"
|
|
"github.com/cerc-io/plugeth-statediff/test_helpers"
|
|
"github.com/cerc-io/plugeth-statediff/test_helpers/mocks"
|
|
sdtypes "github.com/cerc-io/plugeth-statediff/types"
|
|
)
|
|
|
|
func init() {
|
|
test_helpers.SilenceLogs()
|
|
}
|
|
|
|
func TestServiceLoop(t *testing.T) {
|
|
t.Run("error in chain event loop", testErrorInChainEventLoop)
|
|
t.Run("error in block loop", testErrorInBlockLoop)
|
|
}
|
|
|
|
var (
|
|
eventsChannel = make(chan core.ChainEvent, 1)
|
|
|
|
parentRoot1 = common.HexToHash("0x01")
|
|
parentRoot2 = common.HexToHash("0x02")
|
|
parentHeader1 = types.Header{Number: big.NewInt(rand.Int63()), Root: parentRoot1}
|
|
parentHeader2 = types.Header{Number: big.NewInt(rand.Int63()), Root: parentRoot2}
|
|
|
|
parentBlock1 = types.NewBlock(&parentHeader1, nil, nil, nil, trie.NewEmpty(nil))
|
|
parentBlock2 = types.NewBlock(&parentHeader2, nil, nil, nil, trie.NewEmpty(nil))
|
|
|
|
parentHash1 = parentBlock1.Hash()
|
|
parentHash2 = parentBlock2.Hash()
|
|
|
|
testRoot1 = common.HexToHash("0x03")
|
|
testRoot2 = common.HexToHash("0x04")
|
|
testRoot3 = common.HexToHash("0x04")
|
|
header1 = types.Header{ParentHash: parentHash1, Root: testRoot1, Number: big.NewInt(1)}
|
|
header2 = types.Header{ParentHash: parentHash2, Root: testRoot2, Number: big.NewInt(2)}
|
|
header3 = types.Header{ParentHash: common.HexToHash("parent hash"), Root: testRoot3, Number: big.NewInt(3)}
|
|
|
|
testBlock1 = types.NewBlock(&header1, nil, nil, nil, trie.NewEmpty(nil))
|
|
testBlock2 = types.NewBlock(&header2, nil, nil, nil, trie.NewEmpty(nil))
|
|
testBlock3 = types.NewBlock(&header3, nil, nil, nil, trie.NewEmpty(nil))
|
|
|
|
receiptRoot1 = common.HexToHash("0x05")
|
|
receiptRoot2 = common.HexToHash("0x06")
|
|
receiptRoot3 = common.HexToHash("0x07")
|
|
testReceipts1 = []*types.Receipt{types.NewReceipt(receiptRoot1.Bytes(), false, 1000), types.NewReceipt(receiptRoot2.Bytes(), false, 2000)}
|
|
testReceipts2 = []*types.Receipt{types.NewReceipt(receiptRoot3.Bytes(), false, 3000)}
|
|
|
|
event1 = core.ChainEvent{Block: testBlock1}
|
|
event2 = core.ChainEvent{Block: testBlock2}
|
|
event3 = core.ChainEvent{Block: testBlock3}
|
|
|
|
defaultParams = statediff.Params{
|
|
IncludeBlock: true,
|
|
IncludeReceipts: true,
|
|
IncludeTD: true,
|
|
WatchedAddresses: []common.Address{},
|
|
}
|
|
)
|
|
|
|
func init() {
|
|
defaultParams.ComputeWatchedAddressesLeafPaths()
|
|
}
|
|
|
|
func testErrorInChainEventLoop(t *testing.T) {
|
|
//the first chain event causes and error (in blockchain mock)
|
|
builder := mocks.Builder{}
|
|
blockChain := mocks.BlockChain{}
|
|
serviceQuit := make(chan bool)
|
|
service := statediff.Service{
|
|
Builder: &builder,
|
|
BlockChain: &blockChain,
|
|
QuitChan: serviceQuit,
|
|
Subscriptions: make(map[common.Hash]map[statediff.SubID]statediff.Subscription),
|
|
SubscriptionTypes: make(map[common.Hash]statediff.Params),
|
|
BlockCache: statediff.NewBlockCache(1),
|
|
}
|
|
payloadChan := make(chan statediff.Payload, 2)
|
|
quitChan := make(chan bool)
|
|
service.Subscribe(payloadChan, quitChan, defaultParams)
|
|
// FIXME why is this here?
|
|
testRoot2 = common.HexToHash("0xTestRoot2")
|
|
blockMapping := make(map[common.Hash]*types.Block)
|
|
blockMapping[parentBlock1.Hash()] = parentBlock1
|
|
blockMapping[parentBlock2.Hash()] = parentBlock2
|
|
blockChain.SetBlocksForHashes(blockMapping)
|
|
blockChain.SetChainEvents([]core.ChainEvent{event1, event2, event3})
|
|
blockChain.SetReceiptsForHash(testBlock1.Hash(), testReceipts1)
|
|
blockChain.SetReceiptsForHash(testBlock2.Hash(), testReceipts2)
|
|
|
|
payloads := make([]statediff.Payload, 0, 2)
|
|
wg := new(sync.WaitGroup)
|
|
wg.Add(1)
|
|
go func() {
|
|
for i := 0; i < 2; i++ {
|
|
select {
|
|
case payload := <-payloadChan:
|
|
payloads = append(payloads, payload)
|
|
case <-quitChan:
|
|
}
|
|
}
|
|
wg.Done()
|
|
}()
|
|
service.PublishLoop(eventsChannel)
|
|
wg.Wait()
|
|
require.Equal(t, 2, len(payloads), "number of payloads")
|
|
|
|
testReceipts1Rlp, err := rlp.EncodeToBytes(&testReceipts1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
testReceipts2Rlp, err := rlp.EncodeToBytes(&testReceipts2)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
expectedReceiptsRlp := [][]byte{testReceipts1Rlp, testReceipts2Rlp, nil}
|
|
for i, payload := range payloads {
|
|
require.Equal(t, expectedReceiptsRlp[i], payload.ReceiptsRlp, "payload %d", i)
|
|
}
|
|
|
|
require.Equal(t, builder.Params, defaultParams)
|
|
require.Equal(t, testBlock2.Hash(), builder.Args.BlockHash)
|
|
require.Equal(t, parentBlock2.Root(), builder.Args.OldStateRoot)
|
|
require.Equal(t, testBlock2.Root(), builder.Args.NewStateRoot)
|
|
//look up the parent block from its hash
|
|
expectedHashes := []common.Hash{testBlock1.ParentHash(), testBlock2.ParentHash()}
|
|
require.Equal(t, expectedHashes, blockChain.HashesLookedUp)
|
|
}
|
|
|
|
func testErrorInBlockLoop(t *testing.T) {
|
|
//second block's parent block can't be found
|
|
builder := mocks.Builder{}
|
|
blockChain := mocks.BlockChain{}
|
|
service := statediff.Service{
|
|
Builder: &builder,
|
|
BlockChain: &blockChain,
|
|
QuitChan: make(chan bool),
|
|
Subscriptions: make(map[common.Hash]map[statediff.SubID]statediff.Subscription),
|
|
SubscriptionTypes: make(map[common.Hash]statediff.Params),
|
|
BlockCache: statediff.NewBlockCache(1),
|
|
}
|
|
payloadChan := make(chan statediff.Payload)
|
|
quitChan := make(chan bool)
|
|
service.Subscribe(payloadChan, quitChan, defaultParams)
|
|
blockMapping := make(map[common.Hash]*types.Block)
|
|
blockMapping[parentBlock1.Hash()] = parentBlock1
|
|
blockChain.SetBlocksForHashes(blockMapping)
|
|
blockChain.SetChainEvents([]core.ChainEvent{event1, event2})
|
|
// Need to have listeners on the channels or the subscription will be closed and the processing halted
|
|
go func() {
|
|
select {
|
|
case <-payloadChan:
|
|
case <-quitChan:
|
|
}
|
|
}()
|
|
service.PublishLoop(eventsChannel)
|
|
|
|
require.Equal(t, defaultParams, builder.Params)
|
|
require.Equal(t, testBlock1.Hash(), builder.Args.BlockHash)
|
|
require.Equal(t, parentBlock1.Root(), builder.Args.OldStateRoot)
|
|
require.Equal(t, testBlock1.Root(), builder.Args.NewStateRoot)
|
|
}
|
|
|
|
func TestGetStateDiffAt(t *testing.T) {
|
|
mockStateDiff := sdtypes.StateObject{
|
|
BlockNumber: testBlock1.Number(),
|
|
BlockHash: testBlock1.Hash(),
|
|
}
|
|
expectedStateDiffRlp, err := rlp.EncodeToBytes(&mockStateDiff)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
expectedReceiptsRlp, err := rlp.EncodeToBytes(&testReceipts1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
expectedBlockRlp, err := rlp.EncodeToBytes(testBlock1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
expectedStateDiffPayload := statediff.Payload{
|
|
StateObjectRlp: expectedStateDiffRlp,
|
|
ReceiptsRlp: expectedReceiptsRlp,
|
|
BlockRlp: expectedBlockRlp,
|
|
}
|
|
expectedStateDiffPayloadRlp, err := rlp.EncodeToBytes(&expectedStateDiffPayload)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
builder := mocks.Builder{}
|
|
builder.SetStateDiffToBuild(mockStateDiff)
|
|
blockChain := mocks.BlockChain{}
|
|
blockMapping := make(map[common.Hash]*types.Block)
|
|
blockMapping[parentBlock1.Hash()] = parentBlock1
|
|
blockChain.SetBlocksForHashes(blockMapping)
|
|
blockChain.SetBlockForNumber(testBlock1, testBlock1.NumberU64())
|
|
blockChain.SetReceiptsForHash(testBlock1.Hash(), testReceipts1)
|
|
service := statediff.Service{
|
|
Builder: &builder,
|
|
BlockChain: &blockChain,
|
|
QuitChan: make(chan bool),
|
|
Subscriptions: make(map[common.Hash]map[statediff.SubID]statediff.Subscription),
|
|
SubscriptionTypes: make(map[common.Hash]statediff.Params),
|
|
BlockCache: statediff.NewBlockCache(1),
|
|
}
|
|
stateDiffPayload, err := service.StateDiffAt(testBlock1.NumberU64(), defaultParams)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
stateDiffPayloadRlp, err := rlp.EncodeToBytes(stateDiffPayload)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
require.Equal(t, defaultParams, builder.Params)
|
|
require.Equal(t, testBlock1.Hash(), builder.Args.BlockHash)
|
|
require.Equal(t, parentBlock1.Root(), builder.Args.OldStateRoot)
|
|
require.Equal(t, testBlock1.Root(), builder.Args.NewStateRoot)
|
|
require.Equal(t, stateDiffPayloadRlp, expectedStateDiffPayloadRlp)
|
|
}
|
|
|
|
type writeSub struct {
|
|
ch <-chan statediff.JobStatus
|
|
unsubscribe func()
|
|
}
|
|
|
|
func subscribeWritesService(t *testing.T, api *statediff.PublicAPI) writeSub {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
sub, err := api.StreamWrites(ctx)
|
|
require.NoError(t, err)
|
|
return writeSub{sub, cancel}
|
|
}
|
|
|
|
func (ws writeSub) awaitStatus(job statediff.JobID, timeout time.Duration) (bool, error) {
|
|
deadline := time.After(timeout)
|
|
for {
|
|
select {
|
|
case status := <-ws.ch:
|
|
if status.Err != nil {
|
|
return false, status.Err
|
|
}
|
|
if status.ID == job {
|
|
return true, nil
|
|
}
|
|
case <-deadline:
|
|
return false, errors.New("timeout")
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWriteStateDiffAt(t *testing.T) {
|
|
builder := mocks.Builder{}
|
|
indexer := mocks.StateDiffIndexer{}
|
|
blockChain := mocks.BlockChain{}
|
|
blockMapping := make(map[common.Hash]*types.Block)
|
|
blockMapping[parentBlock1.Hash()] = parentBlock1
|
|
blockChain.SetBlocksForHashes(blockMapping)
|
|
blockChain.SetBlockForNumber(testBlock1, testBlock1.NumberU64())
|
|
blockChain.SetReceiptsForHash(testBlock1.Hash(), testReceipts1)
|
|
|
|
service, err := statediff.NewService(statediff.Config{}, &blockChain, &mocks.Backend{}, &indexer)
|
|
require.NoError(t, err)
|
|
service.Builder = &builder
|
|
api := statediff.NewPublicAPI(service)
|
|
|
|
// delay to avoid subscription request being sent after statediff is written
|
|
writeDelay := 200 * time.Millisecond
|
|
// timeout to prevent hanging just in case it still happens
|
|
jobTimeout := 2 * time.Second
|
|
|
|
ws := subscribeWritesService(t, api)
|
|
time.Sleep(writeDelay)
|
|
job := service.WriteStateDiffAt(testBlock1.NumberU64(), defaultParams)
|
|
ok, err := ws.awaitStatus(job, jobTimeout)
|
|
require.NoError(t, err)
|
|
require.True(t, ok)
|
|
|
|
require.Equal(t, defaultParams, builder.Params)
|
|
require.Equal(t, testBlock1.Hash(), builder.Args.BlockHash)
|
|
require.Equal(t, parentBlock1.Root(), builder.Args.OldStateRoot)
|
|
require.Equal(t, testBlock1.Root(), builder.Args.NewStateRoot)
|
|
|
|
// verify we get nothing after unsubscribing
|
|
ws.unsubscribe()
|
|
job = service.WriteStateDiffAt(testBlock1.NumberU64(), defaultParams)
|
|
ok, _ = ws.awaitStatus(job, jobTimeout)
|
|
require.False(t, ok)
|
|
|
|
// re-subscribe and test again
|
|
ws = subscribeWritesService(t, api)
|
|
time.Sleep(writeDelay)
|
|
job = service.WriteStateDiffAt(testBlock1.NumberU64(), defaultParams)
|
|
ok, err = ws.awaitStatus(job, jobTimeout)
|
|
require.NoError(t, err)
|
|
require.True(t, ok)
|
|
}
|
|
|
|
// This function will create a backend and service object which includes a generic Backend
|
|
func createServiceWithMockBackend(t *testing.T, curBlock uint64, highestBlock uint64) (*mocks.Backend, *statediff.Service) {
|
|
builder := mocks.Builder{}
|
|
blockChain := mocks.BlockChain{}
|
|
backend := mocks.NewBackend(t, ethereum.SyncProgress{
|
|
StartingBlock: 1,
|
|
CurrentBlock: curBlock,
|
|
HighestBlock: highestBlock,
|
|
SyncedAccounts: 5,
|
|
SyncedAccountBytes: 5,
|
|
SyncedBytecodes: 5,
|
|
SyncedBytecodeBytes: 5,
|
|
SyncedStorage: 5,
|
|
SyncedStorageBytes: 5,
|
|
HealedTrienodes: 5,
|
|
HealedTrienodeBytes: 5,
|
|
HealedBytecodes: 5,
|
|
HealedBytecodeBytes: 5,
|
|
HealingTrienodes: 5,
|
|
HealingBytecode: 5,
|
|
})
|
|
|
|
service := &statediff.Service{
|
|
Builder: &builder,
|
|
BlockChain: &blockChain,
|
|
QuitChan: make(chan bool),
|
|
Subscriptions: make(map[common.Hash]map[statediff.SubID]statediff.Subscription),
|
|
SubscriptionTypes: make(map[common.Hash]statediff.Params),
|
|
BlockCache: statediff.NewBlockCache(1),
|
|
BackendAPI: backend,
|
|
ShouldWaitForSync: true,
|
|
}
|
|
return backend, service
|
|
}
|
|
|
|
// TestWaitForSync ensures that the service waits until the blockchain has caught up to head
|
|
func TestWaitForSync(t *testing.T) {
|
|
// Trivial case
|
|
_, service := createServiceWithMockBackend(t, 10, 10)
|
|
service.WaitForSync()
|
|
|
|
// Catching-up case
|
|
var highestBlock uint64 = 5
|
|
// Create a service and a backend that is lagging behind the sync.
|
|
backend, service := createServiceWithMockBackend(t, 0, highestBlock)
|
|
syncComplete := make(chan int, 1)
|
|
|
|
go func() {
|
|
service.WaitForSync()
|
|
syncComplete <- 0
|
|
}()
|
|
|
|
// Iterate blocks, updating the current synced block
|
|
for currentBlock := uint64(0); currentBlock <= highestBlock; currentBlock++ {
|
|
backend.SetCurrentBlock(currentBlock)
|
|
if currentBlock < highestBlock {
|
|
// Ensure we are still waiting if we haven't actually reached head
|
|
require.Equal(t, len(syncComplete), 0)
|
|
}
|
|
}
|
|
|
|
timeout := time.After(time.Second)
|
|
for {
|
|
select {
|
|
case <-syncComplete:
|
|
return
|
|
case <-timeout:
|
|
t.Fatal("timed out waiting for sync to complete")
|
|
}
|
|
}
|
|
}
|