forked from cerc-io/plugeth
core, eth, trie: direct state trie synchronization
This commit is contained in:
Péter Szilágyi
parent
832b37c822
commit
ab27bee25a
@ -37,6 +37,7 @@ import (
|
||||
"github.com/ethereum/go-ethereum/metrics"
|
||||
"github.com/ethereum/go-ethereum/pow"
|
||||
"github.com/ethereum/go-ethereum/rlp"
|
||||
"github.com/ethereum/go-ethereum/trie"
|
||||
"github.com/hashicorp/golang-lru"
|
||||
)
|
||||
|
||||
@ -246,6 +247,26 @@ func (bc *BlockChain) SetHead(head uint64) {
|
||||
bc.loadLastState()
|
||||
}
|
||||
|
||||
// FastSyncCommitHead sets the current head block to the one defined by the hash
|
||||
// irrelevant what the chain contents were prior.
|
||||
func (self *BlockChain) FastSyncCommitHead(hash common.Hash) error {
|
||||
// Make sure that both the block as well at it's state trie exists
|
||||
block := self.GetBlock(hash)
|
||||
if block == nil {
|
||||
return fmt.Errorf("non existent block [%x…]", hash[:4])
|
||||
}
|
||||
if _, err := trie.NewSecure(block.Root(), self.chainDb); err != nil {
|
||||
return err
|
||||
}
|
||||
// If all checks out, manually set the head block
|
||||
self.mu.Lock()
|
||||
self.currentBlock = block
|
||||
self.mu.Unlock()
|
||||
|
||||
glog.V(logger.Info).Infof("committed block #%d [%x…] as new head", block.Number(), hash[:4])
|
||||
return nil
|
||||
}
|
||||
|
||||
func (self *BlockChain) GasLimit() *big.Int {
|
||||
self.mu.RLock()
|
||||
defer self.mu.RUnlock()
|
||||
@ -721,10 +742,6 @@ func (self *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain
|
||||
self.wg.Add(1)
|
||||
defer self.wg.Done()
|
||||
|
||||
// Make sure only one thread manipulates the chain at once
|
||||
self.chainmu.Lock()
|
||||
defer self.chainmu.Unlock()
|
||||
|
||||
// Collect some import statistics to report on
|
||||
stats := struct{ processed, ignored int }{}
|
||||
start := time.Now()
|
||||
|
||||
98
core/state/sync.go
Normal file
98
core/state/sync.go
Normal file
@ -0,0 +1,98 @@
|
||||
// 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 state
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"math/big"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/crypto/sha3"
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
"github.com/ethereum/go-ethereum/rlp"
|
||||
"github.com/ethereum/go-ethereum/trie"
|
||||
)
|
||||
|
||||
type StateSync struct {
|
||||
db ethdb.Database
|
||||
sync *trie.TrieSync
|
||||
codeReqs map[common.Hash]struct{} // requested but not yet written to database
|
||||
codeReqList []common.Hash // requested since last Missing
|
||||
}
|
||||
|
||||
var sha3_nil = common.BytesToHash(sha3.NewKeccak256().Sum(nil))
|
||||
|
||||
func NewStateSync(root common.Hash, db ethdb.Database) *StateSync {
|
||||
ss := &StateSync{
|
||||
db: db,
|
||||
codeReqs: make(map[common.Hash]struct{}),
|
||||
}
|
||||
ss.codeReqs[sha3_nil] = struct{}{} // never request the nil hash
|
||||
ss.sync = trie.NewTrieSync(root, db, ss.leafFound)
|
||||
return ss
|
||||
}
|
||||
|
||||
func (self *StateSync) leafFound(leaf []byte, parent common.Hash) error {
|
||||
var obj struct {
|
||||
Nonce uint64
|
||||
Balance *big.Int
|
||||
Root common.Hash
|
||||
CodeHash []byte
|
||||
}
|
||||
if err := rlp.Decode(bytes.NewReader(leaf), &obj); err != nil {
|
||||
return err
|
||||
}
|
||||
self.sync.AddSubTrie(obj.Root, 64, parent, nil)
|
||||
|
||||
codehash := common.BytesToHash(obj.CodeHash)
|
||||
if _, ok := self.codeReqs[codehash]; !ok {
|
||||
code, _ := self.db.Get(obj.CodeHash)
|
||||
if code == nil {
|
||||
self.codeReqs[codehash] = struct{}{}
|
||||
self.codeReqList = append(self.codeReqList, codehash)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (self *StateSync) Missing(max int) []common.Hash {
|
||||
cr := len(self.codeReqList)
|
||||
gh := 0
|
||||
if max != 0 {
|
||||
if cr > max {
|
||||
cr = max
|
||||
}
|
||||
gh = max - cr
|
||||
}
|
||||
list := append(self.sync.Missing(gh), self.codeReqList[:cr]...)
|
||||
self.codeReqList = self.codeReqList[cr:]
|
||||
return list
|
||||
}
|
||||
|
||||
func (self *StateSync) Process(list []trie.SyncResult) error {
|
||||
for i := 0; i < len(list); i++ {
|
||||
if _, ok := self.codeReqs[list[i].Hash]; ok { // code data, not a node
|
||||
self.db.Put(list[i].Hash[:], list[i].Data)
|
||||
delete(self.codeReqs, list[i].Hash)
|
||||
list[i] = list[len(list)-1]
|
||||
list = list[:len(list)-1]
|
||||
i--
|
||||
}
|
||||
}
|
||||
_, err := self.sync.Process(list)
|
||||
return err
|
||||
}
|
||||
238
core/state/sync_test.go
Normal file
238
core/state/sync_test.go
Normal file
@ -0,0 +1,238 @@
|
||||
// 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 state
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"math/big"
|
||||
"testing"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
"github.com/ethereum/go-ethereum/trie"
|
||||
)
|
||||
|
||||
// testAccount is the data associated with an account used by the state tests.
|
||||
type testAccount struct {
|
||||
address common.Address
|
||||
balance *big.Int
|
||||
nonce uint64
|
||||
code []byte
|
||||
}
|
||||
|
||||
// makeTestState create a sample test state to test node-wise reconstruction.
|
||||
func makeTestState() (ethdb.Database, common.Hash, []*testAccount) {
|
||||
// Create an empty state
|
||||
db, _ := ethdb.NewMemDatabase()
|
||||
state := New(common.Hash{}, db)
|
||||
|
||||
// Fill it with some arbitrary data
|
||||
accounts := []*testAccount{}
|
||||
for i := byte(0); i < 255; i++ {
|
||||
obj := state.GetOrNewStateObject(common.BytesToAddress([]byte{i}))
|
||||
acc := &testAccount{address: common.BytesToAddress([]byte{i})}
|
||||
|
||||
obj.AddBalance(big.NewInt(int64(11 * i)))
|
||||
acc.balance = big.NewInt(int64(11 * i))
|
||||
|
||||
obj.SetNonce(uint64(42 * i))
|
||||
acc.nonce = uint64(42 * i)
|
||||
|
||||
if i%3 == 0 {
|
||||
obj.SetCode([]byte{i, i, i, i, i})
|
||||
acc.code = []byte{i, i, i, i, i}
|
||||
}
|
||||
state.UpdateStateObject(obj)
|
||||
accounts = append(accounts, acc)
|
||||
}
|
||||
root, _ := state.Commit()
|
||||
|
||||
// Return the generated state
|
||||
return db, root, accounts
|
||||
}
|
||||
|
||||
// checkStateAccounts cross references a reconstructed state with an expected
|
||||
// account array.
|
||||
func checkStateAccounts(t *testing.T, db ethdb.Database, root common.Hash, accounts []*testAccount) {
|
||||
state := New(root, db)
|
||||
for i, acc := range accounts {
|
||||
|
||||
if balance := state.GetBalance(acc.address); balance.Cmp(acc.balance) != 0 {
|
||||
t.Errorf("account %d: balance mismatch: have %v, want %v", i, balance, acc.balance)
|
||||
}
|
||||
if nonce := state.GetNonce(acc.address); nonce != acc.nonce {
|
||||
t.Errorf("account %d: nonce mismatch: have %v, want %v", i, nonce, acc.nonce)
|
||||
}
|
||||
if code := state.GetCode(acc.address); bytes.Compare(code, acc.code) != 0 {
|
||||
t.Errorf("account %d: code mismatch: have %x, want %x", i, code, acc.code)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Tests that an empty state is not scheduled for syncing.
|
||||
func TestEmptyStateSync(t *testing.T) {
|
||||
empty := common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
|
||||
db, _ := ethdb.NewMemDatabase()
|
||||
if req := NewStateSync(empty, db).Missing(1); len(req) != 0 {
|
||||
t.Errorf("content requested for empty state: %v", req)
|
||||
}
|
||||
}
|
||||
|
||||
// Tests that given a root hash, a state can sync iteratively on a single thread,
|
||||
// requesting retrieval tasks and returning all of them in one go.
|
||||
func TestIterativeStateSyncIndividual(t *testing.T) { testIterativeStateSync(t, 1) }
|
||||
func TestIterativeStateSyncBatched(t *testing.T) { testIterativeStateSync(t, 100) }
|
||||
|
||||
func testIterativeStateSync(t *testing.T, batch int) {
|
||||
// Create a random state to copy
|
||||
srcDb, srcRoot, srcAccounts := makeTestState()
|
||||
|
||||
// Create a destination state and sync with the scheduler
|
||||
dstDb, _ := ethdb.NewMemDatabase()
|
||||
sched := NewStateSync(srcRoot, dstDb)
|
||||
|
||||
queue := append([]common.Hash{}, sched.Missing(batch)...)
|
||||
for len(queue) > 0 {
|
||||
results := make([]trie.SyncResult, len(queue))
|
||||
for i, hash := range queue {
|
||||
data, err := srcDb.Get(hash.Bytes())
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
|
||||
}
|
||||
results[i] = trie.SyncResult{hash, data}
|
||||
}
|
||||
if err := sched.Process(results); err != nil {
|
||||
t.Fatalf("failed to process results: %v", err)
|
||||
}
|
||||
queue = append(queue[:0], sched.Missing(batch)...)
|
||||
}
|
||||
// Cross check that the two states are in sync
|
||||
checkStateAccounts(t, dstDb, srcRoot, srcAccounts)
|
||||
}
|
||||
|
||||
// Tests that the trie scheduler can correctly reconstruct the state even if only
|
||||
// partial results are returned, and the others sent only later.
|
||||
func TestIterativeDelayedStateSync(t *testing.T) {
|
||||
// Create a random state to copy
|
||||
srcDb, srcRoot, srcAccounts := makeTestState()
|
||||
|
||||
// Create a destination state and sync with the scheduler
|
||||
dstDb, _ := ethdb.NewMemDatabase()
|
||||
sched := NewStateSync(srcRoot, dstDb)
|
||||
|
||||
queue := append([]common.Hash{}, sched.Missing(0)...)
|
||||
for len(queue) > 0 {
|
||||
// Sync only half of the scheduled nodes
|
||||
results := make([]trie.SyncResult, len(queue)/2+1)
|
||||
for i, hash := range queue[:len(results)] {
|
||||
data, err := srcDb.Get(hash.Bytes())
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
|
||||
}
|
||||
results[i] = trie.SyncResult{hash, data}
|
||||
}
|
||||
if err := sched.Process(results); err != nil {
|
||||
t.Fatalf("failed to process results: %v", err)
|
||||
}
|
||||
queue = append(queue[len(results):], sched.Missing(0)...)
|
||||
}
|
||||
// Cross check that the two states are in sync
|
||||
checkStateAccounts(t, dstDb, srcRoot, srcAccounts)
|
||||
}
|
||||
|
||||
// Tests that given a root hash, a trie can sync iteratively on a single thread,
|
||||
// requesting retrieval tasks and returning all of them in one go, however in a
|
||||
// random order.
|
||||
func TestIterativeRandomStateSyncIndividual(t *testing.T) { testIterativeRandomStateSync(t, 1) }
|
||||
func TestIterativeRandomStateSyncBatched(t *testing.T) { testIterativeRandomStateSync(t, 100) }
|
||||
|
||||
func testIterativeRandomStateSync(t *testing.T, batch int) {
|
||||
// Create a random state to copy
|
||||
srcDb, srcRoot, srcAccounts := makeTestState()
|
||||
|
||||
// Create a destination state and sync with the scheduler
|
||||
dstDb, _ := ethdb.NewMemDatabase()
|
||||
sched := NewStateSync(srcRoot, dstDb)
|
||||
|
||||
queue := make(map[common.Hash]struct{})
|
||||
for _, hash := range sched.Missing(batch) {
|
||||
queue[hash] = struct{}{}
|
||||
}
|
||||
for len(queue) > 0 {
|
||||
// Fetch all the queued nodes in a random order
|
||||
results := make([]trie.SyncResult, 0, len(queue))
|
||||
for hash, _ := range queue {
|
||||
data, err := srcDb.Get(hash.Bytes())
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
|
||||
}
|
||||
results = append(results, trie.SyncResult{hash, data})
|
||||
}
|
||||
// Feed the retrieved results back and queue new tasks
|
||||
if err := sched.Process(results); err != nil {
|
||||
t.Fatalf("failed to process results: %v", err)
|
||||
}
|
||||
queue = make(map[common.Hash]struct{})
|
||||
for _, hash := range sched.Missing(batch) {
|
||||
queue[hash] = struct{}{}
|
||||
}
|
||||
}
|
||||
// Cross check that the two states are in sync
|
||||
checkStateAccounts(t, dstDb, srcRoot, srcAccounts)
|
||||
}
|
||||
|
||||
// Tests that the trie scheduler can correctly reconstruct the state even if only
|
||||
// partial results are returned (Even those randomly), others sent only later.
|
||||
func TestIterativeRandomDelayedStateSync(t *testing.T) {
|
||||
// Create a random state to copy
|
||||
srcDb, srcRoot, srcAccounts := makeTestState()
|
||||
|
||||
// Create a destination state and sync with the scheduler
|
||||
dstDb, _ := ethdb.NewMemDatabase()
|
||||
sched := NewStateSync(srcRoot, dstDb)
|
||||
|
||||
queue := make(map[common.Hash]struct{})
|
||||
for _, hash := range sched.Missing(0) {
|
||||
queue[hash] = struct{}{}
|
||||
}
|
||||
for len(queue) > 0 {
|
||||
// Sync only half of the scheduled nodes, even those in random order
|
||||
results := make([]trie.SyncResult, 0, len(queue)/2+1)
|
||||
for hash, _ := range queue {
|
||||
delete(queue, hash)
|
||||
|
||||
data, err := srcDb.Get(hash.Bytes())
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
|
||||
}
|
||||
results = append(results, trie.SyncResult{hash, data})
|
||||
|
||||
if len(results) >= cap(results) {
|
||||
break
|
||||
}
|
||||
}
|
||||
// Feed the retrieved results back and queue new tasks
|
||||
if err := sched.Process(results); err != nil {
|
||||
t.Fatalf("failed to process results: %v", err)
|
||||
}
|
||||
for _, hash := range sched.Missing(0) {
|
||||
queue[hash] = struct{}{}
|
||||
}
|
||||
}
|
||||
// Cross check that the two states are in sync
|
||||
checkStateAccounts(t, dstDb, srcRoot, srcAccounts)
|
||||
}
|
||||
@ -19,7 +19,6 @@ package downloader
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"math"
|
||||
"math/big"
|
||||
"strings"
|
||||
@ -29,9 +28,11 @@ import (
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
"github.com/ethereum/go-ethereum/event"
|
||||
"github.com/ethereum/go-ethereum/logger"
|
||||
"github.com/ethereum/go-ethereum/logger/glog"
|
||||
"github.com/rcrowley/go-metrics"
|
||||
)
|
||||
|
||||
var (
|
||||
@ -39,8 +40,8 @@ var (
|
||||
MaxBlockFetch = 128 // Amount of blocks to be fetched per retrieval request
|
||||
MaxHeaderFetch = 192 // Amount of block headers to be fetched per retrieval request
|
||||
MaxBodyFetch = 128 // Amount of block bodies to be fetched per retrieval request
|
||||
MaxStateFetch = 384 // Amount of node state values to allow fetching per request
|
||||
MaxReceiptFetch = 256 // Amount of transaction receipts to allow fetching per request
|
||||
MaxStateFetch = 384 // Amount of node state values to allow fetching per request
|
||||
|
||||
hashTTL = 5 * time.Second // [eth/61] Time it takes for a hash request to time out
|
||||
blockSoftTTL = 3 * time.Second // [eth/61] Request completion threshold for increasing or decreasing a peer's bandwidth
|
||||
@ -49,10 +50,13 @@ var (
|
||||
bodySoftTTL = 3 * time.Second // [eth/62] Request completion threshold for increasing or decreasing a peer's bandwidth
|
||||
bodyHardTTL = 3 * bodySoftTTL // [eth/62] Maximum time allowance before a block body request is considered expired
|
||||
receiptSoftTTL = 3 * time.Second // [eth/63] Request completion threshold for increasing or decreasing a peer's bandwidth
|
||||
receiptHardTTL = 3 * receiptSoftTTL // [eth/63] Maximum time allowance before a block body request is considered expired
|
||||
receiptHardTTL = 3 * receiptSoftTTL // [eth/63] Maximum time allowance before a receipt request is considered expired
|
||||
stateSoftTTL = 2 * time.Second // [eth/63] Request completion threshold for increasing or decreasing a peer's bandwidth
|
||||
stateHardTTL = 3 * stateSoftTTL // [eth/63] Maximum time allowance before a node data request is considered expired
|
||||
|
||||
maxQueuedHashes = 256 * 1024 // [eth/61] Maximum number of hashes to queue for import (DOS protection)
|
||||
maxQueuedHeaders = 256 * 1024 // [eth/62] Maximum number of headers to queue for import (DOS protection)
|
||||
maxQueuedStates = 256 * 1024 // [eth/63] Maximum number of state requests to queue (DOS protection)
|
||||
maxResultsProcess = 256 // Number of download results to import at once into the chain
|
||||
|
||||
headerCheckFrequency = 64 // Verification frequency of the downloaded headers during fast sync
|
||||
@ -84,98 +88,6 @@ var (
|
||||
errNoSyncActive = errors.New("no sync active")
|
||||
)
|
||||
|
||||
// headerCheckFn is a callback type for verifying a header's presence in the local chain.
|
||||
type headerCheckFn func(common.Hash) bool
|
||||
|
||||
// blockCheckFn is a callback type for verifying a block's presence in the local chain.
|
||||
type blockCheckFn func(common.Hash) bool
|
||||
|
||||
// headerRetrievalFn is a callback type for retrieving a header from the local chain.
|
||||
type headerRetrievalFn func(common.Hash) *types.Header
|
||||
|
||||
// blockRetrievalFn is a callback type for retrieving a block from the local chain.
|
||||
type blockRetrievalFn func(common.Hash) *types.Block
|
||||
|
||||
// headHeaderRetrievalFn is a callback type for retrieving the head header from the local chain.
|
||||
type headHeaderRetrievalFn func() *types.Header
|
||||
|
||||
// headBlockRetrievalFn is a callback type for retrieving the head block from the local chain.
|
||||
type headBlockRetrievalFn func() *types.Block
|
||||
|
||||
// headFastBlockRetrievalFn is a callback type for retrieving the head fast block from the local chain.
|
||||
type headFastBlockRetrievalFn func() *types.Block
|
||||
|
||||
// tdRetrievalFn is a callback type for retrieving the total difficulty of a local block.
|
||||
type tdRetrievalFn func(common.Hash) *big.Int
|
||||
|
||||
// headerChainInsertFn is a callback type to insert a batch of headers into the local chain.
|
||||
type headerChainInsertFn func([]*types.Header, bool) (int, error)
|
||||
|
||||
// blockChainInsertFn is a callback type to insert a batch of blocks into the local chain.
|
||||
type blockChainInsertFn func(types.Blocks) (int, error)
|
||||
|
||||
// receiptChainInsertFn is a callback type to insert a batch of receipts into the local chain.
|
||||
type receiptChainInsertFn func(types.Blocks, []types.Receipts) (int, error)
|
||||
|
||||
// peerDropFn is a callback type for dropping a peer detected as malicious.
|
||||
type peerDropFn func(id string)
|
||||
|
||||
// dataPack is a data message returned by a peer for some query.
|
||||
type dataPack interface {
|
||||
PeerId() string
|
||||
Empty() bool
|
||||
Stats() string
|
||||
}
|
||||
|
||||
// hashPack is a batch of block hashes returned by a peer (eth/61).
|
||||
type hashPack struct {
|
||||
peerId string
|
||||
hashes []common.Hash
|
||||
}
|
||||
|
||||
// blockPack is a batch of blocks returned by a peer (eth/61).
|
||||
type blockPack struct {
|
||||
peerId string
|
||||
blocks []*types.Block
|
||||
}
|
||||
|
||||
// headerPack is a batch of block headers returned by a peer.
|
||||
type headerPack struct {
|
||||
peerId string
|
||||
headers []*types.Header
|
||||
}
|
||||
|
||||
// bodyPack is a batch of block bodies returned by a peer.
|
||||
type bodyPack struct {
|
||||
peerId string
|
||||
transactions [][]*types.Transaction
|
||||
uncles [][]*types.Header
|
||||
}
|
||||
|
||||
// PeerId retrieves the origin peer who sent this block body packet.
|
||||
func (p *bodyPack) PeerId() string { return p.peerId }
|
||||
|
||||
// Empty returns whether the no block bodies were delivered.
|
||||
func (p *bodyPack) Empty() bool { return len(p.transactions) == 0 || len(p.uncles) == 0 }
|
||||
|
||||
// Stats creates a textual stats report for logging purposes.
|
||||
func (p *bodyPack) Stats() string { return fmt.Sprintf("%d:%d", len(p.transactions), len(p.uncles)) }
|
||||
|
||||
// receiptPack is a batch of receipts returned by a peer.
|
||||
type receiptPack struct {
|
||||
peerId string
|
||||
receipts [][]*types.Receipt
|
||||
}
|
||||
|
||||
// PeerId retrieves the origin peer who sent this receipt packet.
|
||||
func (p *receiptPack) PeerId() string { return p.peerId }
|
||||
|
||||
// Empty returns whether the no receipts were delivered.
|
||||
func (p *receiptPack) Empty() bool { return len(p.receipts) == 0 }
|
||||
|
||||
// Stats creates a textual stats report for logging purposes.
|
||||
func (p *receiptPack) Stats() string { return fmt.Sprintf("%d", len(p.receipts)) }
|
||||
|
||||
type Downloader struct {
|
||||
mode SyncMode // Synchronisation mode defining the strategies used
|
||||
mux *event.TypeMux // Event multiplexer to announce sync operation events
|
||||
@ -186,8 +98,10 @@ type Downloader struct {
|
||||
interrupt int32 // Atomic boolean to signal termination
|
||||
|
||||
// Statistics
|
||||
syncStatsOrigin uint64 // Origin block number where syncing started at
|
||||
syncStatsHeight uint64 // Highest block number known when syncing started
|
||||
syncStatsChainOrigin uint64 // Origin block number where syncing started at
|
||||
syncStatsChainHeight uint64 // Highest block number known when syncing started
|
||||
syncStatsStateTotal uint64 // Total number of node state entries known so far
|
||||
syncStatsStateDone uint64 // Number of state trie entries already pulled
|
||||
syncStatsLock sync.RWMutex // Lock protecting the sync stats fields
|
||||
|
||||
// Callbacks
|
||||
@ -198,6 +112,7 @@ type Downloader struct {
|
||||
headHeader headHeaderRetrievalFn // Retrieves the head header from the chain
|
||||
headBlock headBlockRetrievalFn // Retrieves the head block from the chain
|
||||
headFastBlock headFastBlockRetrievalFn // Retrieves the head fast-sync block from the chain
|
||||
commitHeadBlock headBlockCommitterFn // Commits a manually assembled block as the chain head
|
||||
getTd tdRetrievalFn // Retrieves the TD of a block from the chain
|
||||
insertHeaders headerChainInsertFn // Injects a batch of headers into the chain
|
||||
insertBlocks blockChainInsertFn // Injects a batch of blocks into the chain
|
||||
@ -212,14 +127,16 @@ type Downloader struct {
|
||||
|
||||
// Channels
|
||||
newPeerCh chan *peer
|
||||
hashCh chan hashPack // [eth/61] Channel receiving inbound hashes
|
||||
blockCh chan blockPack // [eth/61] Channel receiving inbound blocks
|
||||
headerCh chan headerPack // [eth/62] Channel receiving inbound block headers
|
||||
hashCh chan dataPack // [eth/61] Channel receiving inbound hashes
|
||||
blockCh chan dataPack // [eth/61] Channel receiving inbound blocks
|
||||
headerCh chan dataPack // [eth/62] Channel receiving inbound block headers
|
||||
bodyCh chan dataPack // [eth/62] Channel receiving inbound block bodies
|
||||
receiptCh chan dataPack // [eth/63] Channel receiving inbound receipts
|
||||
stateCh chan dataPack // [eth/63] Channel receiving inbound node state data
|
||||
blockWakeCh chan bool // [eth/61] Channel to signal the block fetcher of new tasks
|
||||
bodyWakeCh chan bool // [eth/62] Channel to signal the block body fetcher of new tasks
|
||||
receiptWakeCh chan bool // [eth/63] Channel to signal the receipt fetcher of new tasks
|
||||
stateWakeCh chan bool // [eth/63] Channel to signal the state fetcher of new tasks
|
||||
|
||||
cancelCh chan struct{} // Channel to cancel mid-flight syncs
|
||||
cancelLock sync.RWMutex // Lock to protect the cancel channel in delivers
|
||||
@ -232,14 +149,15 @@ type Downloader struct {
|
||||
}
|
||||
|
||||
// New creates a new downloader to fetch hashes and blocks from remote peers.
|
||||
func New(mode SyncMode, mux *event.TypeMux, hasHeader headerCheckFn, hasBlock blockCheckFn, getHeader headerRetrievalFn, getBlock blockRetrievalFn,
|
||||
headHeader headHeaderRetrievalFn, headBlock headBlockRetrievalFn, headFastBlock headFastBlockRetrievalFn, getTd tdRetrievalFn,
|
||||
insertHeaders headerChainInsertFn, insertBlocks blockChainInsertFn, insertReceipts receiptChainInsertFn, dropPeer peerDropFn) *Downloader {
|
||||
func New(mode SyncMode, stateDb ethdb.Database, mux *event.TypeMux, hasHeader headerCheckFn, hasBlock blockCheckFn, getHeader headerRetrievalFn,
|
||||
getBlock blockRetrievalFn, headHeader headHeaderRetrievalFn, headBlock headBlockRetrievalFn, headFastBlock headFastBlockRetrievalFn,
|
||||
commitHeadBlock headBlockCommitterFn, getTd tdRetrievalFn, insertHeaders headerChainInsertFn, insertBlocks blockChainInsertFn,
|
||||
insertReceipts receiptChainInsertFn, dropPeer peerDropFn) *Downloader {
|
||||
|
||||
return &Downloader{
|
||||
mode: mode,
|
||||
mux: mux,
|
||||
queue: newQueue(),
|
||||
queue: newQueue(stateDb),
|
||||
peers: newPeerSet(),
|
||||
hasHeader: hasHeader,
|
||||
hasBlock: hasBlock,
|
||||
@ -248,20 +166,23 @@ func New(mode SyncMode, mux *event.TypeMux, hasHeader headerCheckFn, hasBlock bl
|
||||
headHeader: headHeader,
|
||||
headBlock: headBlock,
|
||||
headFastBlock: headFastBlock,
|
||||
commitHeadBlock: commitHeadBlock,
|
||||
getTd: getTd,
|
||||
insertHeaders: insertHeaders,
|
||||
insertBlocks: insertBlocks,
|
||||
insertReceipts: insertReceipts,
|
||||
dropPeer: dropPeer,
|
||||
newPeerCh: make(chan *peer, 1),
|
||||
hashCh: make(chan hashPack, 1),
|
||||
blockCh: make(chan blockPack, 1),
|
||||
headerCh: make(chan headerPack, 1),
|
||||
hashCh: make(chan dataPack, 1),
|
||||
blockCh: make(chan dataPack, 1),
|
||||
headerCh: make(chan dataPack, 1),
|
||||
bodyCh: make(chan dataPack, 1),
|
||||
receiptCh: make(chan dataPack, 1),
|
||||
stateCh: make(chan dataPack, 1),
|
||||
blockWakeCh: make(chan bool, 1),
|
||||
bodyWakeCh: make(chan bool, 1),
|
||||
receiptWakeCh: make(chan bool, 1),
|
||||
stateWakeCh: make(chan bool, 1),
|
||||
}
|
||||
}
|
||||
|
||||
@ -272,7 +193,7 @@ func (d *Downloader) Boundaries() (uint64, uint64) {
|
||||
d.syncStatsLock.RLock()
|
||||
defer d.syncStatsLock.RUnlock()
|
||||
|
||||
return d.syncStatsOrigin, d.syncStatsHeight
|
||||
return d.syncStatsChainOrigin, d.syncStatsChainHeight
|
||||
}
|
||||
|
||||
// Synchronising returns whether the downloader is currently retrieving blocks.
|
||||
@ -284,10 +205,11 @@ func (d *Downloader) Synchronising() bool {
|
||||
// used for fetching hashes and blocks from.
|
||||
func (d *Downloader) RegisterPeer(id string, version int, head common.Hash,
|
||||
getRelHashes relativeHashFetcherFn, getAbsHashes absoluteHashFetcherFn, getBlocks blockFetcherFn, // eth/61 callbacks, remove when upgrading
|
||||
getRelHeaders relativeHeaderFetcherFn, getAbsHeaders absoluteHeaderFetcherFn, getBlockBodies blockBodyFetcherFn, getReceipts receiptFetcherFn) error {
|
||||
getRelHeaders relativeHeaderFetcherFn, getAbsHeaders absoluteHeaderFetcherFn, getBlockBodies blockBodyFetcherFn,
|
||||
getReceipts receiptFetcherFn, getNodeData stateFetcherFn) error {
|
||||
|
||||
glog.V(logger.Detail).Infoln("Registering peer", id)
|
||||
if err := d.peers.Register(newPeer(id, version, head, getRelHashes, getAbsHashes, getBlocks, getRelHeaders, getAbsHeaders, getBlockBodies, getReceipts)); err != nil {
|
||||
if err := d.peers.Register(newPeer(id, version, head, getRelHashes, getAbsHashes, getBlocks, getRelHeaders, getAbsHeaders, getBlockBodies, getReceipts, getNodeData)); err != nil {
|
||||
glog.V(logger.Error).Infoln("Register failed:", err)
|
||||
return err
|
||||
}
|
||||
@ -357,12 +279,18 @@ func (d *Downloader) synchronise(id string, hash common.Hash, td *big.Int) error
|
||||
d.queue.Reset()
|
||||
d.peers.Reset()
|
||||
|
||||
for _, ch := range []chan bool{d.blockWakeCh, d.bodyWakeCh, d.receiptWakeCh} {
|
||||
for _, ch := range []chan bool{d.blockWakeCh, d.bodyWakeCh, d.receiptWakeCh, d.stateWakeCh} {
|
||||
select {
|
||||
case <-ch:
|
||||
default:
|
||||
}
|
||||
}
|
||||
// Reset and ephemeral sync statistics
|
||||
d.syncStatsLock.Lock()
|
||||
d.syncStatsStateTotal = 0
|
||||
d.syncStatsStateDone = 0
|
||||
d.syncStatsLock.Unlock()
|
||||
|
||||
// Create cancel channel for aborting mid-flight
|
||||
d.cancelLock.Lock()
|
||||
d.cancelCh = make(chan struct{})
|
||||
@ -414,17 +342,17 @@ func (d *Downloader) syncWithPeer(p *peer, hash common.Hash, td *big.Int) (err e
|
||||
return err
|
||||
}
|
||||
d.syncStatsLock.Lock()
|
||||
if d.syncStatsHeight <= origin || d.syncStatsOrigin > origin {
|
||||
d.syncStatsOrigin = origin
|
||||
if d.syncStatsChainHeight <= origin || d.syncStatsChainOrigin > origin {
|
||||
d.syncStatsChainOrigin = origin
|
||||
}
|
||||
d.syncStatsHeight = latest
|
||||
d.syncStatsChainHeight = latest
|
||||
d.syncStatsLock.Unlock()
|
||||
|
||||
// Initiate the sync using a concurrent hash and block retrieval algorithm
|
||||
if d.syncInitHook != nil {
|
||||
d.syncInitHook(origin, latest)
|
||||
}
|
||||
d.queue.Prepare(origin+1, 1)
|
||||
d.queue.Prepare(origin+1, d.mode, 0)
|
||||
|
||||
errc := make(chan error, 2)
|
||||
go func() { errc <- d.fetchHashes61(p, td, origin+1) }()
|
||||
@ -449,26 +377,27 @@ func (d *Downloader) syncWithPeer(p *peer, hash common.Hash, td *big.Int) (err e
|
||||
return err
|
||||
}
|
||||
d.syncStatsLock.Lock()
|
||||
if d.syncStatsHeight <= origin || d.syncStatsOrigin > origin {
|
||||
d.syncStatsOrigin = origin
|
||||
if d.syncStatsChainHeight <= origin || d.syncStatsChainOrigin > origin {
|
||||
d.syncStatsChainOrigin = origin
|
||||
}
|
||||
d.syncStatsHeight = latest
|
||||
d.syncStatsChainHeight = latest
|
||||
d.syncStatsLock.Unlock()
|
||||
|
||||
// Initiate the sync using a concurrent header and content retrieval algorithm
|
||||
parts := 1
|
||||
if d.mode == FastSync {
|
||||
parts = 2 // receipts are fetched too
|
||||
pivot := uint64(0)
|
||||
if latest > uint64(minFullBlocks) {
|
||||
pivot = latest - uint64(minFullBlocks)
|
||||
}
|
||||
d.queue.Prepare(origin+1, parts)
|
||||
d.queue.Prepare(origin+1, d.mode, pivot)
|
||||
|
||||
if d.syncInitHook != nil {
|
||||
d.syncInitHook(origin, latest)
|
||||
}
|
||||
errc := make(chan error, 3)
|
||||
errc := make(chan error, 4)
|
||||
go func() { errc <- d.fetchHeaders(p, td, origin+1) }() // Headers are always retrieved
|
||||
go func() { errc <- d.fetchBodies(origin + 1) }() // Bodies are retrieved during normal and fast sync
|
||||
go func() { errc <- d.fetchReceipts(origin + 1) }() // Receipts are retrieved during fast sync
|
||||
go func() { errc <- d.fetchBodies(origin + 1) }() // Bodies are retrieved during normal sync
|
||||
go func() { errc <- d.fetchNodeData() }() // Node state data is retrieved during fast sync
|
||||
|
||||
// If any fetcher fails, cancel the others
|
||||
var fail error
|
||||
@ -538,14 +467,14 @@ func (d *Downloader) fetchHeight61(p *peer) (uint64, error) {
|
||||
case <-d.hashCh:
|
||||
// Out of bounds hashes received, ignore them
|
||||
|
||||
case blockPack := <-d.blockCh:
|
||||
case packet := <-d.blockCh:
|
||||
// Discard anything not from the origin peer
|
||||
if blockPack.peerId != p.id {
|
||||
glog.V(logger.Debug).Infof("Received blocks from incorrect peer(%s)", blockPack.peerId)
|
||||
if packet.PeerId() != p.id {
|
||||
glog.V(logger.Debug).Infof("Received blocks from incorrect peer(%s)", packet.PeerId())
|
||||
break
|
||||
}
|
||||
// Make sure the peer actually gave something valid
|
||||
blocks := blockPack.blocks
|
||||
blocks := packet.(*blockPack).blocks
|
||||
if len(blocks) != 1 {
|
||||
glog.V(logger.Debug).Infof("%v: invalid number of head blocks: %d != 1", p, len(blocks))
|
||||
return 0, errBadPeer
|
||||
@ -584,14 +513,14 @@ func (d *Downloader) findAncestor61(p *peer) (uint64, error) {
|
||||
case <-d.cancelCh:
|
||||
return 0, errCancelHashFetch
|
||||
|
||||
case hashPack := <-d.hashCh:
|
||||
case packet := <-d.hashCh:
|
||||
// Discard anything not from the origin peer
|
||||
if hashPack.peerId != p.id {
|
||||
glog.V(logger.Debug).Infof("Received hashes from incorrect peer(%s)", hashPack.peerId)
|
||||
if packet.PeerId() != p.id {
|
||||
glog.V(logger.Debug).Infof("Received hashes from incorrect peer(%s)", packet.PeerId())
|
||||
break
|
||||
}
|
||||
// Make sure the peer actually gave something valid
|
||||
hashes := hashPack.hashes
|
||||
hashes := packet.(*hashPack).hashes
|
||||
if len(hashes) == 0 {
|
||||
glog.V(logger.Debug).Infof("%v: empty head hash set", p)
|
||||
return 0, errEmptyHashSet
|
||||
@ -639,14 +568,14 @@ func (d *Downloader) findAncestor61(p *peer) (uint64, error) {
|
||||
case <-d.cancelCh:
|
||||
return 0, errCancelHashFetch
|
||||
|
||||
case hashPack := <-d.hashCh:
|
||||
case packet := <-d.hashCh:
|
||||
// Discard anything not from the origin peer
|
||||
if hashPack.peerId != p.id {
|
||||
glog.V(logger.Debug).Infof("Received hashes from incorrect peer(%s)", hashPack.peerId)
|
||||
if packet.PeerId() != p.id {
|
||||
glog.V(logger.Debug).Infof("Received hashes from incorrect peer(%s)", packet.PeerId())
|
||||
break
|
||||
}
|
||||
// Make sure the peer actually gave something valid
|
||||
hashes := hashPack.hashes
|
||||
hashes := packet.(*hashPack).hashes
|
||||
if len(hashes) != 1 {
|
||||
glog.V(logger.Debug).Infof("%v: invalid search hash set (%d)", p, len(hashes))
|
||||
return 0, errBadPeer
|
||||
@ -716,17 +645,17 @@ func (d *Downloader) fetchHashes61(p *peer, td *big.Int, from uint64) error {
|
||||
case <-d.bodyCh:
|
||||
// Out of bounds eth/62 block bodies received, ignore them
|
||||
|
||||
case hashPack := <-d.hashCh:
|
||||
case packet := <-d.hashCh:
|
||||
// Make sure the active peer is giving us the hashes
|
||||
if hashPack.peerId != p.id {
|
||||
glog.V(logger.Debug).Infof("Received hashes from incorrect peer(%s)", hashPack.peerId)
|
||||
if packet.PeerId() != p.id {
|
||||
glog.V(logger.Debug).Infof("Received hashes from incorrect peer(%s)", packet.PeerId())
|
||||
break
|
||||
}
|
||||
hashReqTimer.UpdateSince(request)
|
||||
timeout.Stop()
|
||||
|
||||
// If no more hashes are inbound, notify the block fetcher and return
|
||||
if len(hashPack.hashes) == 0 {
|
||||
if packet.Items() == 0 {
|
||||
glog.V(logger.Debug).Infof("%v: no available hashes", p)
|
||||
|
||||
select {
|
||||
@ -751,12 +680,13 @@ func (d *Downloader) fetchHashes61(p *peer, td *big.Int, from uint64) error {
|
||||
return nil
|
||||
}
|
||||
gotHashes = true
|
||||
hashes := packet.(*hashPack).hashes
|
||||
|
||||
// Otherwise insert all the new hashes, aborting in case of junk
|
||||
glog.V(logger.Detail).Infof("%v: scheduling %d hashes from #%d", p, len(hashPack.hashes), from)
|
||||
glog.V(logger.Detail).Infof("%v: scheduling %d hashes from #%d", p, len(hashes), from)
|
||||
|
||||
inserts := d.queue.Schedule61(hashPack.hashes, true)
|
||||
if len(inserts) != len(hashPack.hashes) {
|
||||
inserts := d.queue.Schedule61(hashes, true)
|
||||
if len(inserts) != len(hashes) {
|
||||
glog.V(logger.Debug).Infof("%v: stale hashes", p)
|
||||
return errBadPeer
|
||||
}
|
||||
@ -776,7 +706,7 @@ func (d *Downloader) fetchHashes61(p *peer, td *big.Int, from uint64) error {
|
||||
return nil
|
||||
}
|
||||
// Queue not yet full, fetch the next batch
|
||||
from += uint64(len(hashPack.hashes))
|
||||
from += uint64(len(hashes))
|
||||
getHashes(from)
|
||||
|
||||
case <-timeout.C:
|
||||
@ -813,16 +743,17 @@ func (d *Downloader) fetchBlocks61(from uint64) error {
|
||||
case <-d.bodyCh:
|
||||
// Out of bounds eth/62 block bodies received, ignore them
|
||||
|
||||
case blockPack := <-d.blockCh:
|
||||
case packet := <-d.blockCh:
|
||||
// If the peer was previously banned and failed to deliver it's pack
|
||||
// in a reasonable time frame, ignore it's message.
|
||||
if peer := d.peers.Peer(blockPack.peerId); peer != nil {
|
||||
if peer := d.peers.Peer(packet.PeerId()); peer != nil {
|
||||
// Deliver the received chunk of blocks, and demote in case of errors
|
||||
err := d.queue.Deliver61(blockPack.peerId, blockPack.blocks)
|
||||
blocks := packet.(*blockPack).blocks
|
||||
err := d.queue.DeliverBlocks(peer.id, blocks)
|
||||
switch err {
|
||||
case nil:
|
||||
// If no blocks were delivered, demote the peer (need the delivery above)
|
||||
if len(blockPack.blocks) == 0 {
|
||||
if len(blocks) == 0 {
|
||||
peer.Demote()
|
||||
peer.SetBlocksIdle()
|
||||
glog.V(logger.Detail).Infof("%s: no blocks delivered", peer)
|
||||
@ -831,7 +762,7 @@ func (d *Downloader) fetchBlocks61(from uint64) error {
|
||||
// All was successful, promote the peer and potentially start processing
|
||||
peer.Promote()
|
||||
peer.SetBlocksIdle()
|
||||
glog.V(logger.Detail).Infof("%s: delivered %d blocks", peer, len(blockPack.blocks))
|
||||
glog.V(logger.Detail).Infof("%s: delivered %d blocks", peer, len(blocks))
|
||||
go d.process()
|
||||
|
||||
case errInvalidChain:
|
||||
@ -891,7 +822,7 @@ func (d *Downloader) fetchBlocks61(from uint64) error {
|
||||
return errNoPeers
|
||||
}
|
||||
// Check for block request timeouts and demote the responsible peers
|
||||
for _, pid := range d.queue.Expire61(blockHardTTL) {
|
||||
for _, pid := range d.queue.ExpireBlocks(blockHardTTL) {
|
||||
if peer := d.peers.Peer(pid); peer != nil {
|
||||
peer.Demote()
|
||||
glog.V(logger.Detail).Infof("%s: block delivery timeout", peer)
|
||||
@ -907,7 +838,7 @@ func (d *Downloader) fetchBlocks61(from uint64) error {
|
||||
}
|
||||
// Send a download request to all idle peers, until throttled
|
||||
throttled := false
|
||||
idles, total := d.peers.BlockIdlePeers(61)
|
||||
idles, total := d.peers.BlockIdlePeers()
|
||||
|
||||
for _, peer := range idles {
|
||||
// Short circuit if throttling activated
|
||||
@ -918,7 +849,7 @@ func (d *Downloader) fetchBlocks61(from uint64) error {
|
||||
// Reserve a chunk of hashes for a peer. A nil can mean either that
|
||||
// no more hashes are available, or that the peer is known not to
|
||||
// have them.
|
||||
request := d.queue.Reserve61(peer, peer.BlockCapacity())
|
||||
request := d.queue.ReserveBlocks(peer, peer.BlockCapacity())
|
||||
if request == nil {
|
||||
continue
|
||||
}
|
||||
@ -928,7 +859,7 @@ func (d *Downloader) fetchBlocks61(from uint64) error {
|
||||
// Fetch the chunk and make sure any errors return the hashes to the queue
|
||||
if err := peer.Fetch61(request); err != nil {
|
||||
glog.V(logger.Error).Infof("%v: fetch failed, rescheduling", peer)
|
||||
d.queue.Cancel61(request)
|
||||
d.queue.CancelBlocks(request)
|
||||
}
|
||||
}
|
||||
// Make sure that we have peers available for fetching. If all peers have been tried
|
||||
@ -954,14 +885,14 @@ func (d *Downloader) fetchHeight(p *peer) (uint64, error) {
|
||||
case <-d.cancelCh:
|
||||
return 0, errCancelBlockFetch
|
||||
|
||||
case headerPack := <-d.headerCh:
|
||||
case packet := <-d.headerCh:
|
||||
// Discard anything not from the origin peer
|
||||
if headerPack.peerId != p.id {
|
||||
glog.V(logger.Debug).Infof("Received headers from incorrect peer(%s)", headerPack.peerId)
|
||||
if packet.PeerId() != p.id {
|
||||
glog.V(logger.Debug).Infof("Received headers from incorrect peer(%s)", packet.PeerId())
|
||||
break
|
||||
}
|
||||
// Make sure the peer actually gave something valid
|
||||
headers := headerPack.headers
|
||||
headers := packet.(*headerPack).headers
|
||||
if len(headers) != 1 {
|
||||
glog.V(logger.Debug).Infof("%v: invalid number of head headers: %d != 1", p, len(headers))
|
||||
return 0, errBadPeer
|
||||
@ -1014,14 +945,14 @@ func (d *Downloader) findAncestor(p *peer) (uint64, error) {
|
||||
case <-d.cancelCh:
|
||||
return 0, errCancelHashFetch
|
||||
|
||||
case headerPack := <-d.headerCh:
|
||||
case packet := <-d.headerCh:
|
||||
// Discard anything not from the origin peer
|
||||
if headerPack.peerId != p.id {
|
||||
glog.V(logger.Debug).Infof("Received headers from incorrect peer(%s)", headerPack.peerId)
|
||||
if packet.PeerId() != p.id {
|
||||
glog.V(logger.Debug).Infof("Received headers from incorrect peer(%s)", packet.PeerId())
|
||||
break
|
||||
}
|
||||
// Make sure the peer actually gave something valid
|
||||
headers := headerPack.headers
|
||||
headers := packet.(*headerPack).headers
|
||||
if len(headers) == 0 {
|
||||
glog.V(logger.Debug).Infof("%v: empty head header set", p)
|
||||
return 0, errEmptyHeaderSet
|
||||
@ -1069,14 +1000,14 @@ func (d *Downloader) findAncestor(p *peer) (uint64, error) {
|
||||
case <-d.cancelCh:
|
||||
return 0, errCancelHashFetch
|
||||
|
||||
case headerPack := <-d.headerCh:
|
||||
case packer := <-d.headerCh:
|
||||
// Discard anything not from the origin peer
|
||||
if headerPack.peerId != p.id {
|
||||
glog.V(logger.Debug).Infof("Received headers from incorrect peer(%s)", headerPack.peerId)
|
||||
if packer.PeerId() != p.id {
|
||||
glog.V(logger.Debug).Infof("Received headers from incorrect peer(%s)", packer.PeerId())
|
||||
break
|
||||
}
|
||||
// Make sure the peer actually gave something valid
|
||||
headers := headerPack.headers
|
||||
headers := packer.(*headerPack).headers
|
||||
if len(headers) != 1 {
|
||||
glog.V(logger.Debug).Infof("%v: invalid search header set (%d)", p, len(headers))
|
||||
return 0, errBadPeer
|
||||
@ -1150,20 +1081,20 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
|
||||
case <-d.blockCh:
|
||||
// Out of bounds eth/61 blocks received, ignore them
|
||||
|
||||
case headerPack := <-d.headerCh:
|
||||
case packet := <-d.headerCh:
|
||||
// Make sure the active peer is giving us the headers
|
||||
if headerPack.peerId != p.id {
|
||||
glog.V(logger.Debug).Infof("Received headers from incorrect peer (%s)", headerPack.peerId)
|
||||
if packet.PeerId() != p.id {
|
||||
glog.V(logger.Debug).Infof("Received headers from incorrect peer (%s)", packet.PeerId())
|
||||
break
|
||||
}
|
||||
headerReqTimer.UpdateSince(request)
|
||||
timeout.Stop()
|
||||
|
||||
// If no more headers are inbound, notify the content fetchers and return
|
||||
if len(headerPack.headers) == 0 {
|
||||
if packet.Items() == 0 {
|
||||
glog.V(logger.Debug).Infof("%v: no available headers", p)
|
||||
|
||||
for _, ch := range []chan bool{d.bodyWakeCh, d.receiptWakeCh} {
|
||||
for _, ch := range []chan bool{d.bodyWakeCh, d.receiptWakeCh, d.stateWakeCh} {
|
||||
select {
|
||||
case ch <- false:
|
||||
case <-d.cancelCh:
|
||||
@ -1187,26 +1118,27 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
|
||||
return nil
|
||||
}
|
||||
gotHeaders = true
|
||||
headers := packet.(*headerPack).headers
|
||||
|
||||
// Otherwise insert all the new headers, aborting in case of junk
|
||||
glog.V(logger.Detail).Infof("%v: schedule %d headers from #%d", p, len(headerPack.headers), from)
|
||||
glog.V(logger.Detail).Infof("%v: schedule %d headers from #%d", p, len(headers), from)
|
||||
|
||||
if d.mode == FastSync || d.mode == LightSync {
|
||||
if n, err := d.insertHeaders(headerPack.headers, false); err != nil {
|
||||
glog.V(logger.Debug).Infof("%v: invalid header #%d [%x…]: %v", p, headerPack.headers[n].Number, headerPack.headers[n].Hash().Bytes()[:4], err)
|
||||
if n, err := d.insertHeaders(headers, false); err != nil {
|
||||
glog.V(logger.Debug).Infof("%v: invalid header #%d [%x…]: %v", p, headers[n].Number, headers[n].Hash().Bytes()[:4], err)
|
||||
return errInvalidChain
|
||||
}
|
||||
}
|
||||
if d.mode == FullSync || d.mode == FastSync {
|
||||
inserts := d.queue.Schedule(headerPack.headers, from, d.mode == FastSync)
|
||||
if len(inserts) != len(headerPack.headers) {
|
||||
inserts := d.queue.Schedule(headers, from)
|
||||
if len(inserts) != len(headers) {
|
||||
glog.V(logger.Debug).Infof("%v: stale headers", p)
|
||||
return errBadPeer
|
||||
}
|
||||
}
|
||||
// Notify the content fetchers of new headers, but stop if queue is full
|
||||
cont := d.queue.PendingBlocks() < maxQueuedHeaders || d.queue.PendingReceipts() < maxQueuedHeaders
|
||||
for _, ch := range []chan bool{d.bodyWakeCh, d.receiptWakeCh} {
|
||||
for _, ch := range []chan bool{d.bodyWakeCh, d.receiptWakeCh, d.stateWakeCh} {
|
||||
if cont {
|
||||
// We still have headers to fetch, send continuation wake signal (potential)
|
||||
select {
|
||||
@ -1223,7 +1155,7 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
|
||||
}
|
||||
}
|
||||
// Queue not yet full, fetch the next batch
|
||||
from += uint64(len(headerPack.headers))
|
||||
from += uint64(len(headers))
|
||||
getHeaders(from)
|
||||
|
||||
case <-timeout.C:
|
||||
@ -1233,7 +1165,7 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
|
||||
d.dropPeer(p.id)
|
||||
|
||||
// Finish the sync gracefully instead of dumping the gathered data though
|
||||
for _, ch := range []chan bool{d.bodyWakeCh, d.receiptWakeCh} {
|
||||
for _, ch := range []chan bool{d.bodyWakeCh, d.receiptWakeCh, d.stateWakeCh} {
|
||||
select {
|
||||
case ch <- false:
|
||||
case <-d.cancelCh:
|
||||
@ -1251,19 +1183,19 @@ func (d *Downloader) fetchBodies(from uint64) error {
|
||||
glog.V(logger.Debug).Infof("Downloading block bodies from #%d", from)
|
||||
|
||||
var (
|
||||
deliver = func(packet interface{}) error {
|
||||
deliver = func(packet dataPack) error {
|
||||
pack := packet.(*bodyPack)
|
||||
return d.queue.DeliverBlocks(pack.peerId, pack.transactions, pack.uncles)
|
||||
return d.queue.DeliverBodies(pack.peerId, pack.transactions, pack.uncles)
|
||||
}
|
||||
expire = func() []string { return d.queue.ExpireBlocks(bodyHardTTL) }
|
||||
expire = func() []string { return d.queue.ExpireBodies(bodyHardTTL) }
|
||||
fetch = func(p *peer, req *fetchRequest) error { return p.FetchBodies(req) }
|
||||
capacity = func(p *peer) int { return p.BlockCapacity() }
|
||||
getIdles = func() ([]*peer, int) { return d.peers.BlockIdlePeers(62) }
|
||||
getIdles = func() ([]*peer, int) { return d.peers.BodyIdlePeers() }
|
||||
setIdle = func(p *peer) { p.SetBlocksIdle() }
|
||||
)
|
||||
err := d.fetchParts(from, errCancelBodyFetch, d.bodyCh, deliver, d.bodyWakeCh, expire,
|
||||
d.queue.PendingBlocks, d.queue.ThrottleBlocks, d.queue.ReserveBlocks, d.bodyFetchHook,
|
||||
fetch, d.queue.CancelBlocks, capacity, getIdles, setIdle, "Body")
|
||||
err := d.fetchParts(errCancelBodyFetch, d.bodyCh, deliver, d.bodyWakeCh, expire,
|
||||
d.queue.PendingBlocks, d.queue.ThrottleBlocks, d.queue.ReserveBodies, d.bodyFetchHook,
|
||||
fetch, d.queue.CancelBodies, capacity, getIdles, setIdle, "Body")
|
||||
|
||||
glog.V(logger.Debug).Infof("Block body download terminated: %v", err)
|
||||
return err
|
||||
@ -1276,7 +1208,7 @@ func (d *Downloader) fetchReceipts(from uint64) error {
|
||||
glog.V(logger.Debug).Infof("Downloading receipts from #%d", from)
|
||||
|
||||
var (
|
||||
deliver = func(packet interface{}) error {
|
||||
deliver = func(packet dataPack) error {
|
||||
pack := packet.(*receiptPack)
|
||||
return d.queue.DeliverReceipts(pack.peerId, pack.receipts)
|
||||
}
|
||||
@ -1285,7 +1217,7 @@ func (d *Downloader) fetchReceipts(from uint64) error {
|
||||
capacity = func(p *peer) int { return p.ReceiptCapacity() }
|
||||
setIdle = func(p *peer) { p.SetReceiptsIdle() }
|
||||
)
|
||||
err := d.fetchParts(from, errCancelReceiptFetch, d.receiptCh, deliver, d.receiptWakeCh, expire,
|
||||
err := d.fetchParts(errCancelReceiptFetch, d.receiptCh, deliver, d.receiptWakeCh, expire,
|
||||
d.queue.PendingReceipts, d.queue.ThrottleReceipts, d.queue.ReserveReceipts, d.receiptFetchHook,
|
||||
fetch, d.queue.CancelReceipts, capacity, d.peers.ReceiptIdlePeers, setIdle, "Receipt")
|
||||
|
||||
@ -1293,10 +1225,46 @@ func (d *Downloader) fetchReceipts(from uint64) error {
|
||||
return err
|
||||
}
|
||||
|
||||
// fetchNodeData iteratively downloads the scheduled state trie nodes, taking any
|
||||
// available peers, reserving a chunk of nodes for each, waiting for delivery and
|
||||
// also periodically checking for timeouts.
|
||||
func (d *Downloader) fetchNodeData() error {
|
||||
glog.V(logger.Debug).Infof("Downloading node state data")
|
||||
|
||||
var (
|
||||
deliver = func(packet dataPack) error {
|
||||
start := time.Now()
|
||||
done, found, err := d.queue.DeliverNodeData(packet.PeerId(), packet.(*statePack).states)
|
||||
|
||||
d.syncStatsLock.Lock()
|
||||
totalDone, totalKnown := d.syncStatsStateDone+uint64(done), d.syncStatsStateTotal+uint64(found)
|
||||
d.syncStatsStateDone, d.syncStatsStateTotal = totalDone, totalKnown
|
||||
d.syncStatsLock.Unlock()
|
||||
|
||||
glog.V(logger.Info).Infof("imported %d [%d / %d] state entries in %v.", done, totalDone, totalKnown, time.Since(start))
|
||||
return err
|
||||
}
|
||||
expire = func() []string { return d.queue.ExpireNodeData(stateHardTTL) }
|
||||
throttle = func() bool { return false }
|
||||
reserve = func(p *peer, count int) (*fetchRequest, bool, error) {
|
||||
return d.queue.ReserveNodeData(p, count), false, nil
|
||||
}
|
||||
fetch = func(p *peer, req *fetchRequest) error { return p.FetchNodeData(req) }
|
||||
capacity = func(p *peer) int { return p.NodeDataCapacity() }
|
||||
setIdle = func(p *peer) { p.SetNodeDataIdle() }
|
||||
)
|
||||
err := d.fetchParts(errCancelReceiptFetch, d.stateCh, deliver, d.stateWakeCh, expire,
|
||||
d.queue.PendingNodeData, throttle, reserve, nil, fetch, d.queue.CancelNodeData,
|
||||
capacity, d.peers.ReceiptIdlePeers, setIdle, "State")
|
||||
|
||||
glog.V(logger.Debug).Infof("Node state data download terminated: %v", err)
|
||||
return err
|
||||
}
|
||||
|
||||
// fetchParts iteratively downloads scheduled block parts, taking any available
|
||||
// peers, reserving a chunk of fetch requests for each, waiting for delivery and
|
||||
// also periodically checking for timeouts.
|
||||
func (d *Downloader) fetchParts(from uint64, errCancel error, deliveryCh chan dataPack, deliver func(packet interface{}) error, wakeCh chan bool,
|
||||
func (d *Downloader) fetchParts(errCancel error, deliveryCh chan dataPack, deliver func(packet dataPack) error, wakeCh chan bool,
|
||||
expire func() []string, pending func() int, throttle func() bool, reserve func(*peer, int) (*fetchRequest, bool, error), fetchHook func([]*types.Header),
|
||||
fetch func(*peer, *fetchRequest) error, cancel func(*fetchRequest), capacity func(*peer) int, idle func() ([]*peer, int), setIdle func(*peer), kind string) error {
|
||||
|
||||
@ -1327,7 +1295,7 @@ func (d *Downloader) fetchParts(from uint64, errCancel error, deliveryCh chan da
|
||||
switch err := deliver(packet); err {
|
||||
case nil:
|
||||
// If no blocks were delivered, demote the peer (need the delivery above to clean internal queue!)
|
||||
if packet.Empty() {
|
||||
if packet.Items() == 0 {
|
||||
peer.Demote()
|
||||
setIdle(peer)
|
||||
glog.V(logger.Detail).Infof("%s: no %s delivered", peer, strings.ToLower(kind))
|
||||
@ -1441,7 +1409,11 @@ func (d *Downloader) fetchParts(from uint64, errCancel error, deliveryCh chan da
|
||||
continue
|
||||
}
|
||||
if glog.V(logger.Detail) {
|
||||
if len(request.Headers) > 0 {
|
||||
glog.Infof("%s: requesting %d %s(s), first at #%d", peer, len(request.Headers), strings.ToLower(kind), request.Headers[0].Number)
|
||||
} else {
|
||||
glog.Infof("%s: requesting %d %s(s)", peer, len(request.Hashes), strings.ToLower(kind))
|
||||
}
|
||||
}
|
||||
// Fetch the chunk and make sure any errors return the hashes to the queue
|
||||
if fetchHook != nil {
|
||||
@ -1528,7 +1500,9 @@ func (d *Downloader) process() {
|
||||
blocks = append(blocks, types.NewBlockWithHeader(result.Header).WithBody(result.Transactions, result.Uncles))
|
||||
case d.mode == FastSync:
|
||||
blocks = append(blocks, types.NewBlockWithHeader(result.Header).WithBody(result.Transactions, result.Uncles))
|
||||
if result.Header.Number.Uint64() <= d.queue.fastSyncPivot {
|
||||
receipts = append(receipts, result.Receipts)
|
||||
}
|
||||
case d.mode == LightSync:
|
||||
headers = append(headers, result.Header)
|
||||
}
|
||||
@ -1539,12 +1513,16 @@ func (d *Downloader) process() {
|
||||
index int
|
||||
)
|
||||
switch {
|
||||
case d.mode == FullSync:
|
||||
index, err = d.insertBlocks(blocks)
|
||||
case d.mode == FastSync:
|
||||
index, err = d.insertReceipts(blocks, receipts)
|
||||
case d.mode == LightSync:
|
||||
case len(headers) > 0:
|
||||
index, err = d.insertHeaders(headers, true)
|
||||
|
||||
case len(receipts) > 0:
|
||||
index, err = d.insertReceipts(blocks, receipts)
|
||||
if err == nil && blocks[len(blocks)-1].NumberU64() == d.queue.fastSyncPivot {
|
||||
err = d.commitHeadBlock(blocks[len(blocks)-1].Hash())
|
||||
}
|
||||
default:
|
||||
index, err = d.insertBlocks(blocks)
|
||||
}
|
||||
if err != nil {
|
||||
glog.V(logger.Debug).Infof("Result #%d [%x…] processing failed: %v", results[index].Header.Number, results[index].Header.Hash().Bytes()[:4], err)
|
||||
@ -1557,125 +1535,47 @@ func (d *Downloader) process() {
|
||||
}
|
||||
}
|
||||
|
||||
// DeliverHashes61 injects a new batch of hashes received from a remote node into
|
||||
// DeliverHashes injects a new batch of hashes received from a remote node into
|
||||
// the download schedule. This is usually invoked through the BlockHashesMsg by
|
||||
// the protocol handler.
|
||||
func (d *Downloader) DeliverHashes61(id string, hashes []common.Hash) (err error) {
|
||||
// Update the delivery metrics for both good and failed deliveries
|
||||
hashInMeter.Mark(int64(len(hashes)))
|
||||
defer func() {
|
||||
if err != nil {
|
||||
hashDropMeter.Mark(int64(len(hashes)))
|
||||
}
|
||||
}()
|
||||
// Make sure the downloader is active
|
||||
if atomic.LoadInt32(&d.synchronising) == 0 {
|
||||
return errNoSyncActive
|
||||
}
|
||||
// Deliver or abort if the sync is canceled while queuing
|
||||
d.cancelLock.RLock()
|
||||
cancel := d.cancelCh
|
||||
d.cancelLock.RUnlock()
|
||||
|
||||
select {
|
||||
case d.hashCh <- hashPack{id, hashes}:
|
||||
return nil
|
||||
|
||||
case <-cancel:
|
||||
return errNoSyncActive
|
||||
}
|
||||
func (d *Downloader) DeliverHashes(id string, hashes []common.Hash) (err error) {
|
||||
return d.deliver(id, d.hashCh, &hashPack{id, hashes}, hashInMeter, hashDropMeter)
|
||||
}
|
||||
|
||||
// DeliverBlocks61 injects a new batch of blocks received from a remote node.
|
||||
// DeliverBlocks injects a new batch of blocks received from a remote node.
|
||||
// This is usually invoked through the BlocksMsg by the protocol handler.
|
||||
func (d *Downloader) DeliverBlocks61(id string, blocks []*types.Block) (err error) {
|
||||
// Update the delivery metrics for both good and failed deliveries
|
||||
blockInMeter.Mark(int64(len(blocks)))
|
||||
defer func() {
|
||||
if err != nil {
|
||||
blockDropMeter.Mark(int64(len(blocks)))
|
||||
}
|
||||
}()
|
||||
// Make sure the downloader is active
|
||||
if atomic.LoadInt32(&d.synchronising) == 0 {
|
||||
return errNoSyncActive
|
||||
}
|
||||
// Deliver or abort if the sync is canceled while queuing
|
||||
d.cancelLock.RLock()
|
||||
cancel := d.cancelCh
|
||||
d.cancelLock.RUnlock()
|
||||
|
||||
select {
|
||||
case d.blockCh <- blockPack{id, blocks}:
|
||||
return nil
|
||||
|
||||
case <-cancel:
|
||||
return errNoSyncActive
|
||||
}
|
||||
func (d *Downloader) DeliverBlocks(id string, blocks []*types.Block) (err error) {
|
||||
return d.deliver(id, d.blockCh, &blockPack{id, blocks}, blockInMeter, blockDropMeter)
|
||||
}
|
||||
|
||||
// DeliverHeaders injects a new batch of blck headers received from a remote
|
||||
// node into the download schedule.
|
||||
func (d *Downloader) DeliverHeaders(id string, headers []*types.Header) (err error) {
|
||||
// Update the delivery metrics for both good and failed deliveries
|
||||
headerInMeter.Mark(int64(len(headers)))
|
||||
defer func() {
|
||||
if err != nil {
|
||||
headerDropMeter.Mark(int64(len(headers)))
|
||||
}
|
||||
}()
|
||||
// Make sure the downloader is active
|
||||
if atomic.LoadInt32(&d.synchronising) == 0 {
|
||||
return errNoSyncActive
|
||||
}
|
||||
// Deliver or abort if the sync is canceled while queuing
|
||||
d.cancelLock.RLock()
|
||||
cancel := d.cancelCh
|
||||
d.cancelLock.RUnlock()
|
||||
|
||||
select {
|
||||
case d.headerCh <- headerPack{id, headers}:
|
||||
return nil
|
||||
|
||||
case <-cancel:
|
||||
return errNoSyncActive
|
||||
}
|
||||
return d.deliver(id, d.headerCh, &headerPack{id, headers}, headerInMeter, headerDropMeter)
|
||||
}
|
||||
|
||||
// DeliverBodies injects a new batch of block bodies received from a remote node.
|
||||
func (d *Downloader) DeliverBodies(id string, transactions [][]*types.Transaction, uncles [][]*types.Header) (err error) {
|
||||
// Update the delivery metrics for both good and failed deliveries
|
||||
bodyInMeter.Mark(int64(len(transactions)))
|
||||
defer func() {
|
||||
if err != nil {
|
||||
bodyDropMeter.Mark(int64(len(transactions)))
|
||||
}
|
||||
}()
|
||||
// Make sure the downloader is active
|
||||
if atomic.LoadInt32(&d.synchronising) == 0 {
|
||||
return errNoSyncActive
|
||||
}
|
||||
// Deliver or abort if the sync is canceled while queuing
|
||||
d.cancelLock.RLock()
|
||||
cancel := d.cancelCh
|
||||
d.cancelLock.RUnlock()
|
||||
|
||||
select {
|
||||
case d.bodyCh <- &bodyPack{id, transactions, uncles}:
|
||||
return nil
|
||||
|
||||
case <-cancel:
|
||||
return errNoSyncActive
|
||||
}
|
||||
return d.deliver(id, d.bodyCh, &bodyPack{id, transactions, uncles}, bodyInMeter, bodyDropMeter)
|
||||
}
|
||||
|
||||
// DeliverReceipts injects a new batch of receipts received from a remote node.
|
||||
func (d *Downloader) DeliverReceipts(id string, receipts [][]*types.Receipt) (err error) {
|
||||
return d.deliver(id, d.receiptCh, &receiptPack{id, receipts}, receiptInMeter, receiptDropMeter)
|
||||
}
|
||||
|
||||
// DeliverNodeData injects a new batch of node state data received from a remote node.
|
||||
func (d *Downloader) DeliverNodeData(id string, data [][]byte) (err error) {
|
||||
return d.deliver(id, d.stateCh, &statePack{id, data}, stateInMeter, stateDropMeter)
|
||||
}
|
||||
|
||||
// deliver injects a new batch of data received from a remote node.
|
||||
func (d *Downloader) deliver(id string, destCh chan dataPack, packet dataPack, inMeter, dropMeter metrics.Meter) (err error) {
|
||||
// Update the delivery metrics for both good and failed deliveries
|
||||
receiptInMeter.Mark(int64(len(receipts)))
|
||||
inMeter.Mark(int64(packet.Items()))
|
||||
defer func() {
|
||||
if err != nil {
|
||||
receiptDropMeter.Mark(int64(len(receipts)))
|
||||
dropMeter.Mark(int64(packet.Items()))
|
||||
}
|
||||
}()
|
||||
// Make sure the downloader is active
|
||||
@ -1688,7 +1588,7 @@ func (d *Downloader) DeliverReceipts(id string, receipts [][]*types.Receipt) (er
|
||||
d.cancelLock.RUnlock()
|
||||
|
||||
select {
|
||||
case d.receiptCh <- &receiptPack{id, receipts}:
|
||||
case destCh <- packet:
|
||||
return nil
|
||||
|
||||
case <-cancel:
|
||||
|
||||
@ -27,11 +27,13 @@ import (
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core"
|
||||
"github.com/ethereum/go-ethereum/core/state"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/ethereum/go-ethereum/crypto"
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
"github.com/ethereum/go-ethereum/event"
|
||||
"github.com/ethereum/go-ethereum/params"
|
||||
"github.com/ethereum/go-ethereum/trie"
|
||||
)
|
||||
|
||||
var (
|
||||
@ -115,6 +117,7 @@ func makeChainFork(n, f int, parent *types.Block, parentReceipts types.Receipts)
|
||||
|
||||
// downloadTester is a test simulator for mocking out local block chain.
|
||||
type downloadTester struct {
|
||||
stateDb ethdb.Database
|
||||
downloader *Downloader
|
||||
|
||||
ownHashes []common.Hash // Hash chain belonging to the tester
|
||||
@ -146,8 +149,10 @@ func newTester(mode SyncMode) *downloadTester {
|
||||
peerReceipts: make(map[string]map[common.Hash]types.Receipts),
|
||||
peerChainTds: make(map[string]map[common.Hash]*big.Int),
|
||||
}
|
||||
tester.downloader = New(mode, new(event.TypeMux), tester.hasHeader, tester.hasBlock, tester.getHeader, tester.getBlock,
|
||||
tester.headHeader, tester.headBlock, tester.headFastBlock, tester.getTd, tester.insertHeaders, tester.insertBlocks, tester.insertReceipts, tester.dropPeer)
|
||||
tester.stateDb, _ = ethdb.NewMemDatabase()
|
||||
tester.downloader = New(mode, tester.stateDb, new(event.TypeMux), tester.hasHeader, tester.hasBlock, tester.getHeader,
|
||||
tester.getBlock, tester.headHeader, tester.headBlock, tester.headFastBlock, tester.commitHeadBlock, tester.getTd,
|
||||
tester.insertHeaders, tester.insertBlocks, tester.insertReceipts, tester.dropPeer)
|
||||
|
||||
return tester
|
||||
}
|
||||
@ -213,7 +218,7 @@ func (dl *downloadTester) headHeader() *types.Header {
|
||||
return header
|
||||
}
|
||||
}
|
||||
return nil
|
||||
return genesis.Header()
|
||||
}
|
||||
|
||||
// headBlock retrieves the current head block from the canonical chain.
|
||||
@ -223,10 +228,12 @@ func (dl *downloadTester) headBlock() *types.Block {
|
||||
|
||||
for i := len(dl.ownHashes) - 1; i >= 0; i-- {
|
||||
if block := dl.getBlock(dl.ownHashes[i]); block != nil {
|
||||
if _, err := dl.stateDb.Get(block.Root().Bytes()); err == nil {
|
||||
return block
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
return genesis
|
||||
}
|
||||
|
||||
// headFastBlock retrieves the current head fast-sync block from the canonical chain.
|
||||
@ -236,12 +243,20 @@ func (dl *downloadTester) headFastBlock() *types.Block {
|
||||
|
||||
for i := len(dl.ownHashes) - 1; i >= 0; i-- {
|
||||
if block := dl.getBlock(dl.ownHashes[i]); block != nil {
|
||||
if _, ok := dl.ownReceipts[block.Hash()]; ok {
|
||||
return block
|
||||
}
|
||||
}
|
||||
return genesis
|
||||
}
|
||||
|
||||
// commitHeadBlock manually sets the head block to a given hash.
|
||||
func (dl *downloadTester) commitHeadBlock(hash common.Hash) error {
|
||||
// For now only check that the state trie is correct
|
||||
if block := dl.getBlock(hash); block != nil {
|
||||
_, err := trie.NewSecure(block.Root(), dl.stateDb)
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
return fmt.Errorf("non existent block: %x", hash[:4])
|
||||
}
|
||||
|
||||
// getTd retrieves the block's total difficulty from the canonical chain.
|
||||
@ -283,6 +298,7 @@ func (dl *downloadTester) insertBlocks(blocks types.Blocks) (int, error) {
|
||||
dl.ownHashes = append(dl.ownHashes, block.Hash())
|
||||
dl.ownHeaders[block.Hash()] = block.Header()
|
||||
dl.ownBlocks[block.Hash()] = block
|
||||
dl.stateDb.Put(block.Root().Bytes(), []byte{})
|
||||
dl.ownChainTd[block.Hash()] = dl.ownChainTd[block.ParentHash()]
|
||||
}
|
||||
return len(blocks), nil
|
||||
@ -321,13 +337,13 @@ func (dl *downloadTester) newSlowPeer(id string, version int, hashes []common.Ha
|
||||
var err error
|
||||
switch version {
|
||||
case 61:
|
||||
err = dl.downloader.RegisterPeer(id, version, hashes[0], dl.peerGetRelHashesFn(id, delay), dl.peerGetAbsHashesFn(id, delay), dl.peerGetBlocksFn(id, delay), nil, nil, nil, nil)
|
||||
err = dl.downloader.RegisterPeer(id, version, hashes[0], dl.peerGetRelHashesFn(id, delay), dl.peerGetAbsHashesFn(id, delay), dl.peerGetBlocksFn(id, delay), nil, nil, nil, nil, nil)
|
||||
case 62:
|
||||
err = dl.downloader.RegisterPeer(id, version, hashes[0], nil, nil, nil, dl.peerGetRelHeadersFn(id, delay), dl.peerGetAbsHeadersFn(id, delay), dl.peerGetBodiesFn(id, delay), nil)
|
||||
err = dl.downloader.RegisterPeer(id, version, hashes[0], nil, nil, nil, dl.peerGetRelHeadersFn(id, delay), dl.peerGetAbsHeadersFn(id, delay), dl.peerGetBodiesFn(id, delay), nil, nil)
|
||||
case 63:
|
||||
err = dl.downloader.RegisterPeer(id, version, hashes[0], nil, nil, nil, dl.peerGetRelHeadersFn(id, delay), dl.peerGetAbsHeadersFn(id, delay), dl.peerGetBodiesFn(id, delay), dl.peerGetReceiptsFn(id, delay))
|
||||
err = dl.downloader.RegisterPeer(id, version, hashes[0], nil, nil, nil, dl.peerGetRelHeadersFn(id, delay), dl.peerGetAbsHeadersFn(id, delay), dl.peerGetBodiesFn(id, delay), dl.peerGetReceiptsFn(id, delay), dl.peerGetNodeDataFn(id, delay))
|
||||
case 64:
|
||||
err = dl.downloader.RegisterPeer(id, version, hashes[0], nil, nil, nil, dl.peerGetRelHeadersFn(id, delay), dl.peerGetAbsHeadersFn(id, delay), dl.peerGetBodiesFn(id, delay), dl.peerGetReceiptsFn(id, delay))
|
||||
err = dl.downloader.RegisterPeer(id, version, hashes[0], nil, nil, nil, dl.peerGetRelHeadersFn(id, delay), dl.peerGetAbsHeadersFn(id, delay), dl.peerGetBodiesFn(id, delay), dl.peerGetReceiptsFn(id, delay), dl.peerGetNodeDataFn(id, delay))
|
||||
}
|
||||
if err == nil {
|
||||
// Assign the owned hashes, headers and blocks to the peer (deep copy)
|
||||
@ -399,7 +415,7 @@ func (dl *downloadTester) peerGetRelHashesFn(id string, delay time.Duration) fun
|
||||
// Delay delivery a bit to allow attacks to unfold
|
||||
go func() {
|
||||
time.Sleep(time.Millisecond)
|
||||
dl.downloader.DeliverHashes61(id, result)
|
||||
dl.downloader.DeliverHashes(id, result)
|
||||
}()
|
||||
return nil
|
||||
}
|
||||
@ -424,7 +440,7 @@ func (dl *downloadTester) peerGetAbsHashesFn(id string, delay time.Duration) fun
|
||||
// Delay delivery a bit to allow attacks to unfold
|
||||
go func() {
|
||||
time.Sleep(time.Millisecond)
|
||||
dl.downloader.DeliverHashes61(id, result)
|
||||
dl.downloader.DeliverHashes(id, result)
|
||||
}()
|
||||
return nil
|
||||
}
|
||||
@ -447,7 +463,7 @@ func (dl *downloadTester) peerGetBlocksFn(id string, delay time.Duration) func([
|
||||
result = append(result, block)
|
||||
}
|
||||
}
|
||||
go dl.downloader.DeliverBlocks61(id, result)
|
||||
go dl.downloader.DeliverBlocks(id, result)
|
||||
|
||||
return nil
|
||||
}
|
||||
@ -553,17 +569,54 @@ func (dl *downloadTester) peerGetReceiptsFn(id string, delay time.Duration) func
|
||||
}
|
||||
}
|
||||
|
||||
// peerGetNodeDataFn constructs a getNodeData method associated with a particular
|
||||
// peer in the download tester. The returned function can be used to retrieve
|
||||
// batches of node state data from the particularly requested peer.
|
||||
func (dl *downloadTester) peerGetNodeDataFn(id string, delay time.Duration) func([]common.Hash) error {
|
||||
return func(hashes []common.Hash) error {
|
||||
time.Sleep(delay)
|
||||
|
||||
dl.lock.RLock()
|
||||
defer dl.lock.RUnlock()
|
||||
|
||||
results := make([][]byte, 0, len(hashes))
|
||||
for _, hash := range hashes {
|
||||
if data, err := testdb.Get(hash.Bytes()); err == nil {
|
||||
results = append(results, data)
|
||||
}
|
||||
}
|
||||
go dl.downloader.DeliverNodeData(id, results)
|
||||
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
// assertOwnChain checks if the local chain contains the correct number of items
|
||||
// of the various chain components.
|
||||
func assertOwnChain(t *testing.T, tester *downloadTester, length int) {
|
||||
headers, blocks, receipts := length, length, length
|
||||
assertOwnForkedChain(t, tester, 1, []int{length})
|
||||
}
|
||||
|
||||
// assertOwnForkedChain checks if the local forked chain contains the correct
|
||||
// number of items of the various chain components.
|
||||
func assertOwnForkedChain(t *testing.T, tester *downloadTester, common int, lengths []int) {
|
||||
// Initialize the counters for the first fork
|
||||
headers, blocks, receipts := lengths[0], lengths[0], lengths[0]-minFullBlocks
|
||||
if receipts < 0 {
|
||||
receipts = 1
|
||||
}
|
||||
// Update the counters for each subsequent fork
|
||||
for _, length := range lengths[1:] {
|
||||
headers += length - common
|
||||
blocks += length - common
|
||||
receipts += length - common - minFullBlocks
|
||||
}
|
||||
switch tester.downloader.mode {
|
||||
case FullSync:
|
||||
receipts = 1
|
||||
case LightSync:
|
||||
blocks, receipts = 1, 1
|
||||
}
|
||||
|
||||
if hs := len(tester.ownHeaders); hs != headers {
|
||||
t.Fatalf("synchronised headers mismatch: have %v, want %v", hs, headers)
|
||||
}
|
||||
@ -573,6 +626,14 @@ func assertOwnChain(t *testing.T, tester *downloadTester, length int) {
|
||||
if rs := len(tester.ownReceipts); rs != receipts {
|
||||
t.Fatalf("synchronised receipts mismatch: have %v, want %v", rs, receipts)
|
||||
}
|
||||
// Verify the state trie too for fast syncs
|
||||
if tester.downloader.mode == FastSync {
|
||||
if index := lengths[len(lengths)-1] - minFullBlocks - 1; index > 0 {
|
||||
if statedb := state.New(tester.ownHeaders[tester.ownHashes[index]].Root, tester.stateDb); statedb == nil {
|
||||
t.Fatalf("state reconstruction failed")
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Tests that simple synchronization against a canonical chain works correctly.
|
||||
@ -647,9 +708,11 @@ func testThrottling(t *testing.T, protocol int, mode SyncMode) {
|
||||
cached = len(tester.downloader.queue.blockDonePool)
|
||||
if mode == FastSync {
|
||||
if receipts := len(tester.downloader.queue.receiptDonePool); receipts < cached {
|
||||
if tester.downloader.queue.resultCache[receipts].Header.Number.Uint64() < tester.downloader.queue.fastSyncPivot {
|
||||
cached = receipts
|
||||
}
|
||||
}
|
||||
}
|
||||
tester.downloader.queue.lock.RUnlock()
|
||||
|
||||
if cached == blockCacheLimit || len(tester.ownBlocks)+cached+int(atomic.LoadUint32(&blocked)) == targetBlocks+1 {
|
||||
@ -704,7 +767,7 @@ func testForkedSynchronisation(t *testing.T, protocol int, mode SyncMode) {
|
||||
if err := tester.sync("fork B", nil); err != nil {
|
||||
t.Fatalf("failed to synchronise blocks: %v", err)
|
||||
}
|
||||
assertOwnChain(t, tester, common+2*fork+1)
|
||||
assertOwnForkedChain(t, tester, common+1, []int{common + fork + 1, common + fork + 1})
|
||||
}
|
||||
|
||||
// Tests that an inactive downloader will not accept incoming hashes and blocks.
|
||||
@ -712,10 +775,10 @@ func TestInactiveDownloader61(t *testing.T) {
|
||||
tester := newTester(FullSync)
|
||||
|
||||
// Check that neither hashes nor blocks are accepted
|
||||
if err := tester.downloader.DeliverHashes61("bad peer", []common.Hash{}); err != errNoSyncActive {
|
||||
if err := tester.downloader.DeliverHashes("bad peer", []common.Hash{}); err != errNoSyncActive {
|
||||
t.Errorf("error mismatch: have %v, want %v", err, errNoSyncActive)
|
||||
}
|
||||
if err := tester.downloader.DeliverBlocks61("bad peer", []*types.Block{}); err != errNoSyncActive {
|
||||
if err := tester.downloader.DeliverBlocks("bad peer", []*types.Block{}); err != errNoSyncActive {
|
||||
t.Errorf("error mismatch: have %v, want %v", err, errNoSyncActive)
|
||||
}
|
||||
}
|
||||
@ -809,14 +872,6 @@ func testMultiSynchronisation(t *testing.T, protocol int, mode SyncMode) {
|
||||
id := fmt.Sprintf("peer #%d", i)
|
||||
tester.newPeer(id, protocol, hashes[i*blockCacheLimit:], headers, blocks, receipts)
|
||||
}
|
||||
// Synchronise with the middle peer and make sure half of the blocks were retrieved
|
||||
id := fmt.Sprintf("peer #%d", targetPeers/2)
|
||||
if err := tester.sync(id, nil); err != nil {
|
||||
t.Fatalf("failed to synchronise blocks: %v", err)
|
||||
}
|
||||
assertOwnChain(t, tester, len(tester.peerHashes[id]))
|
||||
|
||||
// Synchronise with the best peer and make sure everything is retrieved
|
||||
if err := tester.sync("peer #0", nil); err != nil {
|
||||
t.Fatalf("failed to synchronise blocks: %v", err)
|
||||
}
|
||||
@ -870,8 +925,8 @@ func TestEmptyShortCircuit64Fast(t *testing.T) { testEmptyShortCircuit(t, 64, F
|
||||
func TestEmptyShortCircuit64Light(t *testing.T) { testEmptyShortCircuit(t, 64, LightSync) }
|
||||
|
||||
func testEmptyShortCircuit(t *testing.T, protocol int, mode SyncMode) {
|
||||
// Create a small enough block chain to download
|
||||
targetBlocks := blockCacheLimit - 15
|
||||
// Create a block chain to download
|
||||
targetBlocks := 2*blockCacheLimit - 15
|
||||
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
|
||||
|
||||
tester := newTester(mode)
|
||||
@ -898,8 +953,8 @@ func testEmptyShortCircuit(t *testing.T, protocol int, mode SyncMode) {
|
||||
bodiesNeeded++
|
||||
}
|
||||
}
|
||||
for _, receipt := range receipts {
|
||||
if mode == FastSync && len(receipt) > 0 {
|
||||
for hash, receipt := range receipts {
|
||||
if mode == FastSync && len(receipt) > 0 && headers[hash].Number.Uint64() <= uint64(targetBlocks-minFullBlocks) {
|
||||
receiptsNeeded++
|
||||
}
|
||||
}
|
||||
|
||||
@ -47,4 +47,9 @@ var (
|
||||
receiptReqTimer = metrics.NewTimer("eth/downloader/receipts/req")
|
||||
receiptDropMeter = metrics.NewMeter("eth/downloader/receipts/drop")
|
||||
receiptTimeoutMeter = metrics.NewMeter("eth/downloader/receipts/timeout")
|
||||
|
||||
stateInMeter = metrics.NewMeter("eth/downloader/states/in")
|
||||
stateReqTimer = metrics.NewTimer("eth/downloader/states/req")
|
||||
stateDropMeter = metrics.NewMeter("eth/downloader/states/drop")
|
||||
stateTimeoutMeter = metrics.NewMeter("eth/downloader/states/timeout")
|
||||
)
|
||||
|
||||
@ -41,6 +41,7 @@ type relativeHeaderFetcherFn func(common.Hash, int, int, bool) error
|
||||
type absoluteHeaderFetcherFn func(uint64, int, int, bool) error
|
||||
type blockBodyFetcherFn func([]common.Hash) error
|
||||
type receiptFetcherFn func([]common.Hash) error
|
||||
type stateFetcherFn func([]common.Hash) error
|
||||
|
||||
var (
|
||||
errAlreadyFetching = errors.New("already fetching blocks from peer")
|
||||
@ -55,12 +56,16 @@ type peer struct {
|
||||
|
||||
blockIdle int32 // Current block activity state of the peer (idle = 0, active = 1)
|
||||
receiptIdle int32 // Current receipt activity state of the peer (idle = 0, active = 1)
|
||||
stateIdle int32 // Current node data activity state of the peer (idle = 0, active = 1)
|
||||
rep int32 // Simple peer reputation
|
||||
|
||||
blockCapacity int32 // Number of blocks (bodies) allowed to fetch per request
|
||||
receiptCapacity int32 // Number of receipts allowed to fetch per request
|
||||
stateCapacity int32 // Number of node data pieces allowed to fetch per request
|
||||
|
||||
blockStarted time.Time // Time instance when the last block (body)fetch was started
|
||||
receiptStarted time.Time // Time instance when the last receipt fetch was started
|
||||
stateStarted time.Time // Time instance when the last node data fetch was started
|
||||
|
||||
ignored *set.Set // Set of hashes not to request (didn't have previously)
|
||||
|
||||
@ -73,6 +78,7 @@ type peer struct {
|
||||
getBlockBodies blockBodyFetcherFn // [eth/62] Method to retrieve a batch of block bodies
|
||||
|
||||
getReceipts receiptFetcherFn // [eth/63] Method to retrieve a batch of block transaction receipts
|
||||
getNodeData stateFetcherFn // [eth/63] Method to retrieve a batch of state trie data
|
||||
|
||||
version int // Eth protocol version number to switch strategies
|
||||
}
|
||||
@ -82,12 +88,13 @@ type peer struct {
|
||||
func newPeer(id string, version int, head common.Hash,
|
||||
getRelHashes relativeHashFetcherFn, getAbsHashes absoluteHashFetcherFn, getBlocks blockFetcherFn, // eth/61 callbacks, remove when upgrading
|
||||
getRelHeaders relativeHeaderFetcherFn, getAbsHeaders absoluteHeaderFetcherFn, getBlockBodies blockBodyFetcherFn,
|
||||
getReceipts receiptFetcherFn) *peer {
|
||||
getReceipts receiptFetcherFn, getNodeData stateFetcherFn) *peer {
|
||||
return &peer{
|
||||
id: id,
|
||||
head: head,
|
||||
blockCapacity: 1,
|
||||
receiptCapacity: 1,
|
||||
stateCapacity: 1,
|
||||
ignored: set.New(),
|
||||
|
||||
getRelHashes: getRelHashes,
|
||||
@ -99,6 +106,7 @@ func newPeer(id string, version int, head common.Hash,
|
||||
getBlockBodies: getBlockBodies,
|
||||
|
||||
getReceipts: getReceipts,
|
||||
getNodeData: getNodeData,
|
||||
|
||||
version: version,
|
||||
}
|
||||
@ -110,6 +118,7 @@ func (p *peer) Reset() {
|
||||
atomic.StoreInt32(&p.receiptIdle, 0)
|
||||
atomic.StoreInt32(&p.blockCapacity, 1)
|
||||
atomic.StoreInt32(&p.receiptCapacity, 1)
|
||||
atomic.StoreInt32(&p.stateCapacity, 1)
|
||||
p.ignored.Clear()
|
||||
}
|
||||
|
||||
@ -167,6 +176,24 @@ func (p *peer) FetchReceipts(request *fetchRequest) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// FetchNodeData sends a node state data retrieval request to the remote peer.
|
||||
func (p *peer) FetchNodeData(request *fetchRequest) error {
|
||||
// Short circuit if the peer is already fetching
|
||||
if !atomic.CompareAndSwapInt32(&p.stateIdle, 0, 1) {
|
||||
return errAlreadyFetching
|
||||
}
|
||||
p.stateStarted = time.Now()
|
||||
|
||||
// Convert the hash set to a retrievable slice
|
||||
hashes := make([]common.Hash, 0, len(request.Hashes))
|
||||
for hash, _ := range request.Hashes {
|
||||
hashes = append(hashes, hash)
|
||||
}
|
||||
go p.getNodeData(hashes)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// SetBlocksIdle sets the peer to idle, allowing it to execute new retrieval requests.
|
||||
// Its block retrieval allowance will also be updated either up- or downwards,
|
||||
// depending on whether the previous fetch completed in time or not.
|
||||
@ -188,6 +215,13 @@ func (p *peer) SetReceiptsIdle() {
|
||||
p.setIdle(p.receiptStarted, receiptSoftTTL, receiptHardTTL, MaxReceiptFetch, &p.receiptCapacity, &p.receiptIdle)
|
||||
}
|
||||
|
||||
// SetNodeDataIdle sets the peer to idle, allowing it to execute new retrieval
|
||||
// requests. Its node data retrieval allowance will also be updated either up- or
|
||||
// downwards, depending on whether the previous fetch completed in time or not.
|
||||
func (p *peer) SetNodeDataIdle() {
|
||||
p.setIdle(p.stateStarted, stateSoftTTL, stateSoftTTL, MaxStateFetch, &p.stateCapacity, &p.stateIdle)
|
||||
}
|
||||
|
||||
// setIdle sets the peer to idle, allowing it to execute new retrieval requests.
|
||||
// Its data retrieval allowance will also be updated either up- or downwards,
|
||||
// depending on whether the previous fetch completed in time or not.
|
||||
@ -230,6 +264,12 @@ func (p *peer) ReceiptCapacity() int {
|
||||
return int(atomic.LoadInt32(&p.receiptCapacity))
|
||||
}
|
||||
|
||||
// NodeDataCapacity retrieves the peers block download allowance based on its
|
||||
// previously discovered bandwidth capacity.
|
||||
func (p *peer) NodeDataCapacity() int {
|
||||
return int(atomic.LoadInt32(&p.stateCapacity))
|
||||
}
|
||||
|
||||
// Promote increases the peer's reputation.
|
||||
func (p *peer) Promote() {
|
||||
atomic.AddInt32(&p.rep, 1)
|
||||
@ -340,39 +380,50 @@ func (ps *peerSet) AllPeers() []*peer {
|
||||
|
||||
// BlockIdlePeers retrieves a flat list of all the currently idle peers within the
|
||||
// active peer set, ordered by their reputation.
|
||||
func (ps *peerSet) BlockIdlePeers(version int) ([]*peer, int) {
|
||||
ps.lock.RLock()
|
||||
defer ps.lock.RUnlock()
|
||||
|
||||
idle, total := make([]*peer, 0, len(ps.peers)), 0
|
||||
for _, p := range ps.peers {
|
||||
if (version == 61 && p.version == 61) || (version >= 62 && p.version >= 62) {
|
||||
if atomic.LoadInt32(&p.blockIdle) == 0 {
|
||||
idle = append(idle, p)
|
||||
func (ps *peerSet) BlockIdlePeers() ([]*peer, int) {
|
||||
idle := func(p *peer) bool {
|
||||
return atomic.LoadInt32(&p.blockIdle) == 0
|
||||
}
|
||||
total++
|
||||
}
|
||||
}
|
||||
for i := 0; i < len(idle); i++ {
|
||||
for j := i + 1; j < len(idle); j++ {
|
||||
if atomic.LoadInt32(&idle[i].rep) < atomic.LoadInt32(&idle[j].rep) {
|
||||
idle[i], idle[j] = idle[j], idle[i]
|
||||
}
|
||||
}
|
||||
}
|
||||
return idle, total
|
||||
return ps.idlePeers(61, 61, idle)
|
||||
}
|
||||
|
||||
// ReceiptIdlePeers retrieves a flat list of all the currently idle peers within the
|
||||
// active peer set, ordered by their reputation.
|
||||
// BodyIdlePeers retrieves a flat list of all the currently body-idle peers within
|
||||
// the active peer set, ordered by their reputation.
|
||||
func (ps *peerSet) BodyIdlePeers() ([]*peer, int) {
|
||||
idle := func(p *peer) bool {
|
||||
return atomic.LoadInt32(&p.blockIdle) == 0
|
||||
}
|
||||
return ps.idlePeers(62, 64, idle)
|
||||
}
|
||||
|
||||
// ReceiptIdlePeers retrieves a flat list of all the currently receipt-idle peers
|
||||
// within the active peer set, ordered by their reputation.
|
||||
func (ps *peerSet) ReceiptIdlePeers() ([]*peer, int) {
|
||||
idle := func(p *peer) bool {
|
||||
return atomic.LoadInt32(&p.receiptIdle) == 0
|
||||
}
|
||||
return ps.idlePeers(63, 64, idle)
|
||||
}
|
||||
|
||||
// NodeDataIdlePeers retrieves a flat list of all the currently node-data-idle
|
||||
// peers within the active peer set, ordered by their reputation.
|
||||
func (ps *peerSet) NodeDataIdlePeers() ([]*peer, int) {
|
||||
idle := func(p *peer) bool {
|
||||
return atomic.LoadInt32(&p.stateIdle) == 0
|
||||
}
|
||||
return ps.idlePeers(63, 64, idle)
|
||||
}
|
||||
|
||||
// idlePeers retrieves a flat list of all currently idle peers satisfying the
|
||||
// protocol version constraints, using the provided function to check idleness.
|
||||
func (ps *peerSet) idlePeers(minProtocol, maxProtocol int, idleCheck func(*peer) bool) ([]*peer, int) {
|
||||
ps.lock.RLock()
|
||||
defer ps.lock.RUnlock()
|
||||
|
||||
idle, total := make([]*peer, 0, len(ps.peers)), 0
|
||||
for _, p := range ps.peers {
|
||||
if p.version >= 63 {
|
||||
if atomic.LoadInt32(&p.receiptIdle) == 0 {
|
||||
if p.version >= minProtocol && p.version <= maxProtocol {
|
||||
if idleCheck(p) {
|
||||
idle = append(idle, p)
|
||||
}
|
||||
total++
|
||||
|
||||
@ -26,9 +26,13 @@ import (
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/state"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
"github.com/ethereum/go-ethereum/crypto"
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
"github.com/ethereum/go-ethereum/logger"
|
||||
"github.com/ethereum/go-ethereum/logger/glog"
|
||||
"github.com/ethereum/go-ethereum/trie"
|
||||
"github.com/rcrowley/go-metrics"
|
||||
"gopkg.in/karalabe/cookiejar.v2/collections/prque"
|
||||
)
|
||||
@ -39,13 +43,14 @@ var (
|
||||
|
||||
var (
|
||||
errNoFetchesPending = errors.New("no fetches pending")
|
||||
errStateSyncPending = errors.New("state trie sync already scheduled")
|
||||
errStaleDelivery = errors.New("stale delivery")
|
||||
)
|
||||
|
||||
// fetchRequest is a currently running data retrieval operation.
|
||||
type fetchRequest struct {
|
||||
Peer *peer // Peer to which the request was sent
|
||||
Hashes map[common.Hash]int // [eth/61] Requested block with their insertion index (priority)
|
||||
Hashes map[common.Hash]int // [eth/61] Requested hashes with their insertion index (priority)
|
||||
Headers []*types.Header // [eth/62] Requested headers, sorted by request order
|
||||
Time time.Time // Time when the request was made
|
||||
}
|
||||
@ -64,6 +69,9 @@ type fetchResult struct {
|
||||
|
||||
// queue represents hashes that are either need fetching or are being fetched
|
||||
type queue struct {
|
||||
mode SyncMode // Synchronisation mode to decide on the block parts to schedule for fetching
|
||||
fastSyncPivot uint64 // Block number where the fast sync pivots into archive synchronisation mode
|
||||
|
||||
hashPool map[common.Hash]int // [eth/61] Pending hashes, mapping to their insertion index (priority)
|
||||
hashQueue *prque.Prque // [eth/61] Priority queue of the block hashes to fetch
|
||||
hashCounter int // [eth/61] Counter indexing the added hashes to ensure retrieval order
|
||||
@ -80,15 +88,22 @@ type queue struct {
|
||||
receiptPendPool map[string]*fetchRequest // [eth/63] Currently pending receipt retrieval operations
|
||||
receiptDonePool map[common.Hash]struct{} // [eth/63] Set of the completed receipt fetches
|
||||
|
||||
stateTaskIndex int // [eth/63] Counter indexing the added hashes to ensure prioritized retrieval order
|
||||
stateTaskPool map[common.Hash]int // [eth/63] Pending node data retrieval tasks, mapping to their priority
|
||||
stateTaskQueue *prque.Prque // [eth/63] Priority queue of the hashes to fetch the node data for
|
||||
statePendPool map[string]*fetchRequest // [eth/63] Currently pending node data retrieval operations
|
||||
|
||||
stateDatabase ethdb.Database // [eth/63] Trie database to populate during state reassembly
|
||||
stateScheduler *state.StateSync // [eth/63] State trie synchronisation scheduler and integrator
|
||||
|
||||
resultCache []*fetchResult // Downloaded but not yet delivered fetch results
|
||||
resultOffset uint64 // Offset of the first cached fetch result in the block-chain
|
||||
resultParts int // Number of fetch components required to complete an item
|
||||
|
||||
lock sync.RWMutex
|
||||
}
|
||||
|
||||
// newQueue creates a new download queue for scheduling block retrieval.
|
||||
func newQueue() *queue {
|
||||
func newQueue(stateDb ethdb.Database) *queue {
|
||||
return &queue{
|
||||
hashPool: make(map[common.Hash]int),
|
||||
hashQueue: prque.New(),
|
||||
@ -100,6 +115,10 @@ func newQueue() *queue {
|
||||
receiptTaskQueue: prque.New(),
|
||||
receiptPendPool: make(map[string]*fetchRequest),
|
||||
receiptDonePool: make(map[common.Hash]struct{}),
|
||||
stateTaskPool: make(map[common.Hash]int),
|
||||
stateTaskQueue: prque.New(),
|
||||
statePendPool: make(map[string]*fetchRequest),
|
||||
stateDatabase: stateDb,
|
||||
resultCache: make([]*fetchResult, blockCacheLimit),
|
||||
}
|
||||
}
|
||||
@ -109,6 +128,9 @@ func (q *queue) Reset() {
|
||||
q.lock.Lock()
|
||||
defer q.lock.Unlock()
|
||||
|
||||
q.mode = FullSync
|
||||
q.fastSyncPivot = 0
|
||||
|
||||
q.hashPool = make(map[common.Hash]int)
|
||||
q.hashQueue.Reset()
|
||||
q.hashCounter = 0
|
||||
@ -125,9 +147,14 @@ func (q *queue) Reset() {
|
||||
q.receiptPendPool = make(map[string]*fetchRequest)
|
||||
q.receiptDonePool = make(map[common.Hash]struct{})
|
||||
|
||||
q.stateTaskIndex = 0
|
||||
q.stateTaskPool = make(map[common.Hash]int)
|
||||
q.stateTaskQueue.Reset()
|
||||
q.statePendPool = make(map[string]*fetchRequest)
|
||||
q.stateScheduler = nil
|
||||
|
||||
q.resultCache = make([]*fetchResult, blockCacheLimit)
|
||||
q.resultOffset = 0
|
||||
q.resultParts = 0
|
||||
}
|
||||
|
||||
// PendingBlocks retrieves the number of block (body) requests pending for retrieval.
|
||||
@ -146,12 +173,20 @@ func (q *queue) PendingReceipts() int {
|
||||
return q.receiptTaskQueue.Size()
|
||||
}
|
||||
|
||||
// PendingNodeData retrieves the number of node data entries pending for retrieval.
|
||||
func (q *queue) PendingNodeData() int {
|
||||
q.lock.RLock()
|
||||
defer q.lock.RUnlock()
|
||||
|
||||
return q.stateTaskQueue.Size()
|
||||
}
|
||||
|
||||
// InFlight retrieves the number of fetch requests currently in flight.
|
||||
func (q *queue) InFlight() int {
|
||||
q.lock.RLock()
|
||||
defer q.lock.RUnlock()
|
||||
|
||||
return len(q.blockPendPool) + len(q.receiptPendPool)
|
||||
return len(q.blockPendPool) + len(q.receiptPendPool) + len(q.statePendPool)
|
||||
}
|
||||
|
||||
// Idle returns if the queue is fully idle or has some data still inside. This
|
||||
@ -160,8 +195,8 @@ func (q *queue) Idle() bool {
|
||||
q.lock.RLock()
|
||||
defer q.lock.RUnlock()
|
||||
|
||||
queued := q.hashQueue.Size() + q.blockTaskQueue.Size() + q.receiptTaskQueue.Size()
|
||||
pending := len(q.blockPendPool) + len(q.receiptPendPool)
|
||||
queued := q.hashQueue.Size() + q.blockTaskQueue.Size() + q.receiptTaskQueue.Size() + q.stateTaskQueue.Size()
|
||||
pending := len(q.blockPendPool) + len(q.receiptPendPool) + len(q.statePendPool)
|
||||
cached := len(q.blockDonePool) + len(q.receiptDonePool)
|
||||
|
||||
return (queued + pending + cached) == 0
|
||||
@ -227,7 +262,7 @@ func (q *queue) Schedule61(hashes []common.Hash, fifo bool) []common.Hash {
|
||||
|
||||
// Schedule adds a set of headers for the download queue for scheduling, returning
|
||||
// the new headers encountered.
|
||||
func (q *queue) Schedule(headers []*types.Header, from uint64, receipts bool) []*types.Header {
|
||||
func (q *queue) Schedule(headers []*types.Header, from uint64) []*types.Header {
|
||||
q.lock.Lock()
|
||||
defer q.lock.Unlock()
|
||||
|
||||
@ -256,10 +291,21 @@ func (q *queue) Schedule(headers []*types.Header, from uint64, receipts bool) []
|
||||
// Queue the header for content retrieval
|
||||
q.blockTaskPool[hash] = header
|
||||
q.blockTaskQueue.Push(header, -float32(header.Number.Uint64()))
|
||||
if receipts {
|
||||
|
||||
if q.mode == FastSync && header.Number.Uint64() <= q.fastSyncPivot {
|
||||
// Fast phase of the fast sync, retrieve receipts too
|
||||
q.receiptTaskPool[hash] = header
|
||||
q.receiptTaskQueue.Push(header, -float32(header.Number.Uint64()))
|
||||
}
|
||||
if q.mode == FastSync && header.Number.Uint64() == q.fastSyncPivot {
|
||||
// Pivoting point of the fast sync, retrieve the state tries
|
||||
q.stateScheduler = state.NewStateSync(header.Root, q.stateDatabase)
|
||||
for _, hash := range q.stateScheduler.Missing(0) {
|
||||
q.stateTaskPool[hash] = q.stateTaskIndex
|
||||
q.stateTaskQueue.Push(hash, -float32(q.stateTaskIndex))
|
||||
q.stateTaskIndex++
|
||||
}
|
||||
}
|
||||
inserts = append(inserts, header)
|
||||
q.headerHead = hash
|
||||
from++
|
||||
@ -279,6 +325,9 @@ func (q *queue) GetHeadResult() *fetchResult {
|
||||
if q.resultCache[0].Pending > 0 {
|
||||
return nil
|
||||
}
|
||||
if q.mode == FastSync && q.resultCache[0].Header.Number.Uint64() == q.fastSyncPivot && len(q.stateTaskPool) > 0 {
|
||||
return nil
|
||||
}
|
||||
return q.resultCache[0]
|
||||
}
|
||||
|
||||
@ -291,9 +340,18 @@ func (q *queue) TakeResults() []*fetchResult {
|
||||
// Accumulate all available results
|
||||
results := []*fetchResult{}
|
||||
for _, result := range q.resultCache {
|
||||
// Stop if no more results are ready
|
||||
if result == nil || result.Pending > 0 {
|
||||
break
|
||||
}
|
||||
// The fast sync pivot block may only be processed after state fetch completes
|
||||
if q.mode == FastSync && result.Header.Number.Uint64() == q.fastSyncPivot && len(q.stateTaskPool) > 0 {
|
||||
break
|
||||
}
|
||||
// If we've just inserted the fast sync pivot, stop as the following batch needs different insertion
|
||||
if q.mode == FastSync && result.Header.Number.Uint64() == q.fastSyncPivot+1 && len(results) > 0 {
|
||||
break
|
||||
}
|
||||
results = append(results, result)
|
||||
|
||||
hash := result.Header.Hash()
|
||||
@ -312,31 +370,45 @@ func (q *queue) TakeResults() []*fetchResult {
|
||||
return results
|
||||
}
|
||||
|
||||
// Reserve61 reserves a set of hashes for the given peer, skipping any previously
|
||||
// failed download.
|
||||
func (q *queue) Reserve61(p *peer, count int) *fetchRequest {
|
||||
// ReserveBlocks reserves a set of block hashes for the given peer, skipping any
|
||||
// previously failed download.
|
||||
func (q *queue) ReserveBlocks(p *peer, count int) *fetchRequest {
|
||||
return q.reserveHashes(p, count, q.hashQueue, q.blockPendPool, len(q.resultCache)-len(q.blockDonePool))
|
||||
}
|
||||
|
||||
// ReserveNodeData reserves a set of node data hashes for the given peer, skipping
|
||||
// any previously failed download.
|
||||
func (q *queue) ReserveNodeData(p *peer, count int) *fetchRequest {
|
||||
return q.reserveHashes(p, count, q.stateTaskQueue, q.statePendPool, 0)
|
||||
}
|
||||
|
||||
// reserveHashes reserves a set of hashes for the given peer, skipping previously
|
||||
// failed ones.
|
||||
func (q *queue) reserveHashes(p *peer, count int, taskQueue *prque.Prque, pendPool map[string]*fetchRequest, maxPending int) *fetchRequest {
|
||||
q.lock.Lock()
|
||||
defer q.lock.Unlock()
|
||||
|
||||
// Short circuit if the pool has been depleted, or if the peer's already
|
||||
// downloading something (sanity check not to corrupt state)
|
||||
if q.hashQueue.Empty() {
|
||||
if taskQueue.Empty() {
|
||||
return nil
|
||||
}
|
||||
if _, ok := q.blockPendPool[p.id]; ok {
|
||||
if _, ok := pendPool[p.id]; ok {
|
||||
return nil
|
||||
}
|
||||
// Calculate an upper limit on the hashes we might fetch (i.e. throttling)
|
||||
space := len(q.resultCache) - len(q.blockDonePool)
|
||||
for _, request := range q.blockPendPool {
|
||||
space -= len(request.Hashes)
|
||||
allowance := maxPending
|
||||
if allowance > 0 {
|
||||
for _, request := range pendPool {
|
||||
allowance -= len(request.Hashes)
|
||||
}
|
||||
}
|
||||
// Retrieve a batch of hashes, skipping previously failed ones
|
||||
send := make(map[common.Hash]int)
|
||||
skip := make(map[common.Hash]int)
|
||||
|
||||
for proc := 0; proc < space && len(send) < count && !q.hashQueue.Empty(); proc++ {
|
||||
hash, priority := q.hashQueue.Pop()
|
||||
for proc := 0; (allowance == 0 || proc < allowance) && len(send) < count && !taskQueue.Empty(); proc++ {
|
||||
hash, priority := taskQueue.Pop()
|
||||
if p.ignored.Has(hash) {
|
||||
skip[hash.(common.Hash)] = int(priority)
|
||||
} else {
|
||||
@ -345,7 +417,7 @@ func (q *queue) Reserve61(p *peer, count int) *fetchRequest {
|
||||
}
|
||||
// Merge all the skipped hashes back
|
||||
for hash, index := range skip {
|
||||
q.hashQueue.Push(hash, float32(index))
|
||||
taskQueue.Push(hash, float32(index))
|
||||
}
|
||||
// Assemble and return the block download request
|
||||
if len(send) == 0 {
|
||||
@ -356,19 +428,19 @@ func (q *queue) Reserve61(p *peer, count int) *fetchRequest {
|
||||
Hashes: send,
|
||||
Time: time.Now(),
|
||||
}
|
||||
q.blockPendPool[p.id] = request
|
||||
pendPool[p.id] = request
|
||||
|
||||
return request
|
||||
}
|
||||
|
||||
// ReserveBlocks reserves a set of body fetches for the given peer, skipping any
|
||||
// ReserveBodies reserves a set of body fetches for the given peer, skipping any
|
||||
// previously failed downloads. Beside the next batch of needed fetches, it also
|
||||
// returns a flag whether empty blocks were queued requiring processing.
|
||||
func (q *queue) ReserveBlocks(p *peer, count int) (*fetchRequest, bool, error) {
|
||||
func (q *queue) ReserveBodies(p *peer, count int) (*fetchRequest, bool, error) {
|
||||
noop := func(header *types.Header) bool {
|
||||
return header.TxHash == types.EmptyRootHash && header.UncleHash == types.EmptyUncleHash
|
||||
}
|
||||
return q.reserveFetch(p, count, q.blockTaskPool, q.blockTaskQueue, q.blockPendPool, q.blockDonePool, noop)
|
||||
return q.reserveHeaders(p, count, q.blockTaskPool, q.blockTaskQueue, q.blockPendPool, q.blockDonePool, noop)
|
||||
}
|
||||
|
||||
// ReserveReceipts reserves a set of receipt fetches for the given peer, skipping
|
||||
@ -378,13 +450,13 @@ func (q *queue) ReserveReceipts(p *peer, count int) (*fetchRequest, bool, error)
|
||||
noop := func(header *types.Header) bool {
|
||||
return header.ReceiptHash == types.EmptyRootHash
|
||||
}
|
||||
return q.reserveFetch(p, count, q.receiptTaskPool, q.receiptTaskQueue, q.receiptPendPool, q.receiptDonePool, noop)
|
||||
return q.reserveHeaders(p, count, q.receiptTaskPool, q.receiptTaskQueue, q.receiptPendPool, q.receiptDonePool, noop)
|
||||
}
|
||||
|
||||
// reserveFetch reserves a set of data download operations for a given peer,
|
||||
// reserveHeaders reserves a set of data download operations for a given peer,
|
||||
// skipping any previously failed ones. This method is a generic version used
|
||||
// by the individual special reservation functions.
|
||||
func (q *queue) reserveFetch(p *peer, count int, taskPool map[common.Hash]*types.Header, taskQueue *prque.Prque,
|
||||
func (q *queue) reserveHeaders(p *peer, count int, taskPool map[common.Hash]*types.Header, taskQueue *prque.Prque,
|
||||
pendPool map[string]*fetchRequest, donePool map[common.Hash]struct{}, noop func(*types.Header) bool) (*fetchRequest, bool, error) {
|
||||
q.lock.Lock()
|
||||
defer q.lock.Unlock()
|
||||
@ -416,8 +488,12 @@ func (q *queue) reserveFetch(p *peer, count int, taskPool map[common.Hash]*types
|
||||
return nil, false, errInvalidChain
|
||||
}
|
||||
if q.resultCache[index] == nil {
|
||||
components := 1
|
||||
if q.mode == FastSync && header.Number.Uint64() <= q.fastSyncPivot {
|
||||
components = 2
|
||||
}
|
||||
q.resultCache[index] = &fetchResult{
|
||||
Pending: q.resultParts,
|
||||
Pending: components,
|
||||
Header: header,
|
||||
}
|
||||
}
|
||||
@ -456,30 +532,36 @@ func (q *queue) reserveFetch(p *peer, count int, taskPool map[common.Hash]*types
|
||||
return request, progress, nil
|
||||
}
|
||||
|
||||
// Cancel61 aborts a fetch request, returning all pending hashes to the queue.
|
||||
func (q *queue) Cancel61(request *fetchRequest) {
|
||||
q.cancel(request, nil, q.blockPendPool)
|
||||
// CancelBlocks aborts a fetch request, returning all pending hashes to the queue.
|
||||
func (q *queue) CancelBlocks(request *fetchRequest) {
|
||||
q.cancel(request, q.hashQueue, q.blockPendPool)
|
||||
}
|
||||
|
||||
// CancelBlocks aborts a body fetch request, returning all pending hashes to the
|
||||
// CancelBodies aborts a body fetch request, returning all pending headers to the
|
||||
// task queue.
|
||||
func (q *queue) CancelBlocks(request *fetchRequest) {
|
||||
func (q *queue) CancelBodies(request *fetchRequest) {
|
||||
q.cancel(request, q.blockTaskQueue, q.blockPendPool)
|
||||
}
|
||||
|
||||
// CancelReceipts aborts a body fetch request, returning all pending hashes to
|
||||
// CancelReceipts aborts a body fetch request, returning all pending headers to
|
||||
// the task queue.
|
||||
func (q *queue) CancelReceipts(request *fetchRequest) {
|
||||
q.cancel(request, q.receiptTaskQueue, q.receiptPendPool)
|
||||
}
|
||||
|
||||
// CancelNodeData aborts a node state data fetch request, returning all pending
|
||||
// hashes to the task queue.
|
||||
func (q *queue) CancelNodeData(request *fetchRequest) {
|
||||
q.cancel(request, q.stateTaskQueue, q.statePendPool)
|
||||
}
|
||||
|
||||
// Cancel aborts a fetch request, returning all pending hashes to the task queue.
|
||||
func (q *queue) cancel(request *fetchRequest, taskQueue *prque.Prque, pendPool map[string]*fetchRequest) {
|
||||
q.lock.Lock()
|
||||
defer q.lock.Unlock()
|
||||
|
||||
for hash, index := range request.Hashes {
|
||||
q.hashQueue.Push(hash, float32(index))
|
||||
taskQueue.Push(hash, float32(index))
|
||||
}
|
||||
for _, header := range request.Headers {
|
||||
taskQueue.Push(header, -float32(header.Number.Uint64()))
|
||||
@ -509,29 +591,41 @@ func (q *queue) Revoke(peerId string) {
|
||||
}
|
||||
delete(q.receiptPendPool, peerId)
|
||||
}
|
||||
if request, ok := q.statePendPool[peerId]; ok {
|
||||
for hash, index := range request.Hashes {
|
||||
q.stateTaskQueue.Push(hash, float32(index))
|
||||
}
|
||||
delete(q.statePendPool, peerId)
|
||||
}
|
||||
}
|
||||
|
||||
// Expire61 checks for in flight requests that exceeded a timeout allowance,
|
||||
// ExpireBlocks checks for in flight requests that exceeded a timeout allowance,
|
||||
// canceling them and returning the responsible peers for penalization.
|
||||
func (q *queue) Expire61(timeout time.Duration) []string {
|
||||
return q.expire(timeout, q.blockPendPool, nil)
|
||||
func (q *queue) ExpireBlocks(timeout time.Duration) []string {
|
||||
return q.expire(timeout, q.blockPendPool, q.hashQueue, blockTimeoutMeter)
|
||||
}
|
||||
|
||||
// ExpireBlocks checks for in flight block body requests that exceeded a timeout
|
||||
// ExpireBodies checks for in flight block body requests that exceeded a timeout
|
||||
// allowance, canceling them and returning the responsible peers for penalization.
|
||||
func (q *queue) ExpireBlocks(timeout time.Duration) []string {
|
||||
return q.expire(timeout, q.blockPendPool, q.blockTaskQueue)
|
||||
func (q *queue) ExpireBodies(timeout time.Duration) []string {
|
||||
return q.expire(timeout, q.blockPendPool, q.blockTaskQueue, bodyTimeoutMeter)
|
||||
}
|
||||
|
||||
// ExpireReceipts checks for in flight receipt requests that exceeded a timeout
|
||||
// allowance, canceling them and returning the responsible peers for penalization.
|
||||
func (q *queue) ExpireReceipts(timeout time.Duration) []string {
|
||||
return q.expire(timeout, q.receiptPendPool, q.receiptTaskQueue)
|
||||
return q.expire(timeout, q.receiptPendPool, q.receiptTaskQueue, receiptTimeoutMeter)
|
||||
}
|
||||
|
||||
// ExpireNodeData checks for in flight node data requests that exceeded a timeout
|
||||
// allowance, canceling them and returning the responsible peers for penalization.
|
||||
func (q *queue) ExpireNodeData(timeout time.Duration) []string {
|
||||
return q.expire(timeout, q.statePendPool, q.stateTaskQueue, stateTimeoutMeter)
|
||||
}
|
||||
|
||||
// expire is the generic check that move expired tasks from a pending pool back
|
||||
// into a task pool, returning all entities caught with expired tasks.
|
||||
func (q *queue) expire(timeout time.Duration, pendPool map[string]*fetchRequest, taskQueue *prque.Prque) []string {
|
||||
func (q *queue) expire(timeout time.Duration, pendPool map[string]*fetchRequest, taskQueue *prque.Prque, timeoutMeter metrics.Meter) []string {
|
||||
q.lock.Lock()
|
||||
defer q.lock.Unlock()
|
||||
|
||||
@ -540,14 +634,11 @@ func (q *queue) expire(timeout time.Duration, pendPool map[string]*fetchRequest,
|
||||
for id, request := range pendPool {
|
||||
if time.Since(request.Time) > timeout {
|
||||
// Update the metrics with the timeout
|
||||
if len(request.Hashes) > 0 {
|
||||
blockTimeoutMeter.Mark(1)
|
||||
} else {
|
||||
bodyTimeoutMeter.Mark(1)
|
||||
}
|
||||
timeoutMeter.Mark(1)
|
||||
|
||||
// Return any non satisfied requests to the pool
|
||||
for hash, index := range request.Hashes {
|
||||
q.hashQueue.Push(hash, float32(index))
|
||||
taskQueue.Push(hash, float32(index))
|
||||
}
|
||||
for _, header := range request.Headers {
|
||||
taskQueue.Push(header, -float32(header.Number.Uint64()))
|
||||
@ -562,8 +653,8 @@ func (q *queue) expire(timeout time.Duration, pendPool map[string]*fetchRequest,
|
||||
return peers
|
||||
}
|
||||
|
||||
// Deliver61 injects a block retrieval response into the download queue.
|
||||
func (q *queue) Deliver61(id string, blocks []*types.Block) (err error) {
|
||||
// DeliverBlocks injects a block retrieval response into the download queue.
|
||||
func (q *queue) DeliverBlocks(id string, blocks []*types.Block) error {
|
||||
q.lock.Lock()
|
||||
defer q.lock.Unlock()
|
||||
|
||||
@ -626,8 +717,8 @@ func (q *queue) Deliver61(id string, blocks []*types.Block) (err error) {
|
||||
}
|
||||
}
|
||||
|
||||
// DeliverBlocks injects a block (body) retrieval response into the results queue.
|
||||
func (q *queue) DeliverBlocks(id string, txLists [][]*types.Transaction, uncleLists [][]*types.Header) error {
|
||||
// DeliverBodies injects a block body retrieval response into the results queue.
|
||||
func (q *queue) DeliverBodies(id string, txLists [][]*types.Transaction, uncleLists [][]*types.Header) error {
|
||||
reconstruct := func(header *types.Header, index int, result *fetchResult) error {
|
||||
if types.DeriveSha(types.Transactions(txLists[index])) != header.TxHash || types.CalcUncleHash(uncleLists[index]) != header.UncleHash {
|
||||
return errInvalidBody
|
||||
@ -717,14 +808,84 @@ func (q *queue) deliver(id string, taskPool map[common.Hash]*types.Header, taskQ
|
||||
}
|
||||
}
|
||||
|
||||
// DeliverNodeData injects a node state data retrieval response into the queue.
|
||||
func (q *queue) DeliverNodeData(id string, data [][]byte) (int, int, error) {
|
||||
q.lock.Lock()
|
||||
defer q.lock.Unlock()
|
||||
|
||||
// Short circuit if the data was never requested
|
||||
request := q.statePendPool[id]
|
||||
if request == nil {
|
||||
return 0, 0, errNoFetchesPending
|
||||
}
|
||||
stateReqTimer.UpdateSince(request.Time)
|
||||
delete(q.statePendPool, id)
|
||||
|
||||
// If no data was retrieved, mark them as unavailable for the origin peer
|
||||
if len(data) == 0 {
|
||||
for hash, _ := range request.Hashes {
|
||||
request.Peer.ignored.Add(hash)
|
||||
}
|
||||
}
|
||||
// Iterate over the downloaded data and verify each of them
|
||||
errs := make([]error, 0)
|
||||
processed := 0
|
||||
for _, blob := range data {
|
||||
// Skip any blocks that were not requested
|
||||
hash := common.BytesToHash(crypto.Sha3(blob))
|
||||
if _, ok := request.Hashes[hash]; !ok {
|
||||
errs = append(errs, fmt.Errorf("non-requested state data %x", hash))
|
||||
continue
|
||||
}
|
||||
// Inject the next state trie item into the database
|
||||
if err := q.stateScheduler.Process([]trie.SyncResult{{hash, blob}}); err != nil {
|
||||
errs = []error{err}
|
||||
break
|
||||
}
|
||||
processed++
|
||||
|
||||
delete(request.Hashes, hash)
|
||||
delete(q.stateTaskPool, hash)
|
||||
}
|
||||
// Return all failed or missing fetches to the queue
|
||||
for hash, index := range request.Hashes {
|
||||
q.stateTaskQueue.Push(hash, float32(index))
|
||||
}
|
||||
// Also enqueue any newly required state trie nodes
|
||||
discovered := 0
|
||||
if len(q.stateTaskPool) < maxQueuedStates {
|
||||
for _, hash := range q.stateScheduler.Missing(4 * MaxStateFetch) {
|
||||
q.stateTaskPool[hash] = q.stateTaskIndex
|
||||
q.stateTaskQueue.Push(hash, -float32(q.stateTaskIndex))
|
||||
q.stateTaskIndex++
|
||||
discovered++
|
||||
}
|
||||
}
|
||||
// If none of the data items were good, it's a stale delivery
|
||||
switch {
|
||||
case len(errs) == 0:
|
||||
return processed, discovered, nil
|
||||
|
||||
case len(errs) == len(request.Hashes):
|
||||
return processed, discovered, errStaleDelivery
|
||||
|
||||
default:
|
||||
return processed, discovered, fmt.Errorf("multiple failures: %v", errs)
|
||||
}
|
||||
}
|
||||
|
||||
// Prepare configures the result cache to allow accepting and caching inbound
|
||||
// fetch results.
|
||||
func (q *queue) Prepare(offset uint64, parts int) {
|
||||
func (q *queue) Prepare(offset uint64, mode SyncMode, pivot uint64) {
|
||||
q.lock.Lock()
|
||||
defer q.lock.Unlock()
|
||||
|
||||
if q.resultOffset < offset {
|
||||
q.resultOffset = offset
|
||||
}
|
||||
q.resultParts = parts
|
||||
q.fastSyncPivot = 0
|
||||
if mode == FastSync {
|
||||
q.fastSyncPivot = pivot
|
||||
}
|
||||
q.mode = mode
|
||||
}
|
||||
|
||||
137
eth/downloader/types.go
Normal file
137
eth/downloader/types.go
Normal file
@ -0,0 +1,137 @@
|
||||
// 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 downloader
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"math/big"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/core/types"
|
||||
)
|
||||
|
||||
// headerCheckFn is a callback type for verifying a header's presence in the local chain.
|
||||
type headerCheckFn func(common.Hash) bool
|
||||
|
||||
// blockCheckFn is a callback type for verifying a block's presence in the local chain.
|
||||
type blockCheckFn func(common.Hash) bool
|
||||
|
||||
// headerRetrievalFn is a callback type for retrieving a header from the local chain.
|
||||
type headerRetrievalFn func(common.Hash) *types.Header
|
||||
|
||||
// blockRetrievalFn is a callback type for retrieving a block from the local chain.
|
||||
type blockRetrievalFn func(common.Hash) *types.Block
|
||||
|
||||
// headHeaderRetrievalFn is a callback type for retrieving the head header from the local chain.
|
||||
type headHeaderRetrievalFn func() *types.Header
|
||||
|
||||
// headBlockRetrievalFn is a callback type for retrieving the head block from the local chain.
|
||||
type headBlockRetrievalFn func() *types.Block
|
||||
|
||||
// headFastBlockRetrievalFn is a callback type for retrieving the head fast block from the local chain.
|
||||
type headFastBlockRetrievalFn func() *types.Block
|
||||
|
||||
// headBlockCommitterFn is a callback for directly committing the head block to a certain entity.
|
||||
type headBlockCommitterFn func(common.Hash) error
|
||||
|
||||
// tdRetrievalFn is a callback type for retrieving the total difficulty of a local block.
|
||||
type tdRetrievalFn func(common.Hash) *big.Int
|
||||
|
||||
// headerChainInsertFn is a callback type to insert a batch of headers into the local chain.
|
||||
type headerChainInsertFn func([]*types.Header, bool) (int, error)
|
||||
|
||||
// blockChainInsertFn is a callback type to insert a batch of blocks into the local chain.
|
||||
type blockChainInsertFn func(types.Blocks) (int, error)
|
||||
|
||||
// receiptChainInsertFn is a callback type to insert a batch of receipts into the local chain.
|
||||
type receiptChainInsertFn func(types.Blocks, []types.Receipts) (int, error)
|
||||
|
||||
// peerDropFn is a callback type for dropping a peer detected as malicious.
|
||||
type peerDropFn func(id string)
|
||||
|
||||
// dataPack is a data message returned by a peer for some query.
|
||||
type dataPack interface {
|
||||
PeerId() string
|
||||
Items() int
|
||||
Stats() string
|
||||
}
|
||||
|
||||
// hashPack is a batch of block hashes returned by a peer (eth/61).
|
||||
type hashPack struct {
|
||||
peerId string
|
||||
hashes []common.Hash
|
||||
}
|
||||
|
||||
func (p *hashPack) PeerId() string { return p.peerId }
|
||||
func (p *hashPack) Items() int { return len(p.hashes) }
|
||||
func (p *hashPack) Stats() string { return fmt.Sprintf("%d", len(p.hashes)) }
|
||||
|
||||
// blockPack is a batch of blocks returned by a peer (eth/61).
|
||||
type blockPack struct {
|
||||
peerId string
|
||||
blocks []*types.Block
|
||||
}
|
||||
|
||||
func (p *blockPack) PeerId() string { return p.peerId }
|
||||
func (p *blockPack) Items() int { return len(p.blocks) }
|
||||
func (p *blockPack) Stats() string { return fmt.Sprintf("%d", len(p.blocks)) }
|
||||
|
||||
// headerPack is a batch of block headers returned by a peer.
|
||||
type headerPack struct {
|
||||
peerId string
|
||||
headers []*types.Header
|
||||
}
|
||||
|
||||
func (p *headerPack) PeerId() string { return p.peerId }
|
||||
func (p *headerPack) Items() int { return len(p.headers) }
|
||||
func (p *headerPack) Stats() string { return fmt.Sprintf("%d", len(p.headers)) }
|
||||
|
||||
// bodyPack is a batch of block bodies returned by a peer.
|
||||
type bodyPack struct {
|
||||
peerId string
|
||||
transactions [][]*types.Transaction
|
||||
uncles [][]*types.Header
|
||||
}
|
||||
|
||||
func (p *bodyPack) PeerId() string { return p.peerId }
|
||||
func (p *bodyPack) Items() int {
|
||||
if len(p.transactions) <= len(p.uncles) {
|
||||
return len(p.transactions)
|
||||
}
|
||||
return len(p.uncles)
|
||||
}
|
||||
func (p *bodyPack) Stats() string { return fmt.Sprintf("%d:%d", len(p.transactions), len(p.uncles)) }
|
||||
|
||||
// receiptPack is a batch of receipts returned by a peer.
|
||||
type receiptPack struct {
|
||||
peerId string
|
||||
receipts [][]*types.Receipt
|
||||
}
|
||||
|
||||
func (p *receiptPack) PeerId() string { return p.peerId }
|
||||
func (p *receiptPack) Items() int { return len(p.receipts) }
|
||||
func (p *receiptPack) Stats() string { return fmt.Sprintf("%d", len(p.receipts)) }
|
||||
|
||||
// statePack is a batch of states returned by a peer.
|
||||
type statePack struct {
|
||||
peerId string
|
||||
states [][]byte
|
||||
}
|
||||
|
||||
func (p *statePack) PeerId() string { return p.peerId }
|
||||
func (p *statePack) Items() int { return len(p.states) }
|
||||
func (p *statePack) Stats() string { return fmt.Sprintf("%d", len(p.states)) }
|
||||
@ -129,9 +129,9 @@ func NewProtocolManager(mode Mode, networkId int, mux *event.TypeMux, txpool txP
|
||||
case LightMode:
|
||||
syncMode = downloader.LightSync
|
||||
}
|
||||
manager.downloader = downloader.New(syncMode, manager.eventMux, blockchain.HasHeader, blockchain.HasBlock, blockchain.GetHeader,
|
||||
blockchain.GetBlock, blockchain.CurrentHeader, blockchain.CurrentBlock, blockchain.CurrentFastBlock, blockchain.GetTd,
|
||||
blockchain.InsertHeaderChain, blockchain.InsertChain, blockchain.InsertReceiptChain, manager.removePeer)
|
||||
manager.downloader = downloader.New(syncMode, chaindb, manager.eventMux, blockchain.HasHeader, blockchain.HasBlock, blockchain.GetHeader,
|
||||
blockchain.GetBlock, blockchain.CurrentHeader, blockchain.CurrentBlock, blockchain.CurrentFastBlock, blockchain.FastSyncCommitHead,
|
||||
blockchain.GetTd, blockchain.InsertHeaderChain, blockchain.InsertChain, blockchain.InsertReceiptChain, manager.removePeer)
|
||||
|
||||
validator := func(block *types.Block, parent *types.Block) error {
|
||||
return core.ValidateHeader(pow, block.Header(), parent.Header(), true, false)
|
||||
@ -220,8 +220,8 @@ func (pm *ProtocolManager) handle(p *peer) error {
|
||||
|
||||
// Register the peer in the downloader. If the downloader considers it banned, we disconnect
|
||||
if err := pm.downloader.RegisterPeer(p.id, p.version, p.Head(),
|
||||
p.RequestHashes, p.RequestHashesFromNumber, p.RequestBlocks,
|
||||
p.RequestHeadersByHash, p.RequestHeadersByNumber, p.RequestBodies, p.RequestReceipts); err != nil {
|
||||
p.RequestHashes, p.RequestHashesFromNumber, p.RequestBlocks, p.RequestHeadersByHash,
|
||||
p.RequestHeadersByNumber, p.RequestBodies, p.RequestReceipts, p.RequestNodeData); err != nil {
|
||||
return err
|
||||
}
|
||||
// Propagate existing transactions. new transactions appearing
|
||||
@ -307,7 +307,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
|
||||
break
|
||||
}
|
||||
// Deliver them all to the downloader for queuing
|
||||
err := pm.downloader.DeliverHashes61(p.id, hashes)
|
||||
err := pm.downloader.DeliverHashes(p.id, hashes)
|
||||
if err != nil {
|
||||
glog.V(logger.Debug).Infoln(err)
|
||||
}
|
||||
@ -353,7 +353,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
|
||||
}
|
||||
// Filter out any explicitly requested blocks, deliver the rest to the downloader
|
||||
if blocks := pm.fetcher.FilterBlocks(blocks); len(blocks) > 0 {
|
||||
pm.downloader.DeliverBlocks61(p.id, blocks)
|
||||
pm.downloader.DeliverBlocks(p.id, blocks)
|
||||
}
|
||||
|
||||
// Block header query, collect the requested headers and reply
|
||||
@ -515,6 +515,17 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
|
||||
}
|
||||
return p.SendNodeData(data)
|
||||
|
||||
case p.version >= eth63 && msg.Code == NodeDataMsg:
|
||||
// A batch of node state data arrived to one of our previous requests
|
||||
var data [][]byte
|
||||
if err := msg.Decode(&data); err != nil {
|
||||
return errResp(ErrDecode, "msg %v: %v", msg, err)
|
||||
}
|
||||
// Deliver all to the downloader
|
||||
if err := pm.downloader.DeliverNodeData(p.id, data); err != nil {
|
||||
glog.V(logger.Debug).Infof("failed to deliver node state data: %v", err)
|
||||
}
|
||||
|
||||
case p.version >= eth63 && msg.Code == GetReceiptsMsg:
|
||||
// Decode the retrieval message
|
||||
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
|
||||
|
||||
@ -191,7 +191,7 @@ func (p *peer) SendBlockBodiesRLP(bodies []rlp.RawValue) error {
|
||||
return p2p.Send(p.rw, BlockBodiesMsg, bodies)
|
||||
}
|
||||
|
||||
// SendNodeData sends a batch of arbitrary internal data, corresponding to the
|
||||
// SendNodeDataRLP sends a batch of arbitrary internal data, corresponding to the
|
||||
// hashes requested.
|
||||
func (p *peer) SendNodeData(data [][]byte) error {
|
||||
return p2p.Send(p.rw, NodeDataMsg, data)
|
||||
|
||||
233
trie/sync.go
Normal file
233
trie/sync.go
Normal file
@ -0,0 +1,233 @@
|
||||
// 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 trie
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"gopkg.in/karalabe/cookiejar.v2/collections/prque"
|
||||
)
|
||||
|
||||
// request represents a scheduled or already in-flight state retrieval request.
|
||||
type request struct {
|
||||
hash common.Hash // Hash of the node data content to retrieve
|
||||
data []byte // Data content of the node, cached until all subtrees complete
|
||||
object *node // Target node to populate with retrieved data (hashnode originally)
|
||||
|
||||
parents []*request // Parent state nodes referencing this entry (notify all upon completion)
|
||||
depth int // Depth level within the trie the node is located to prioritize DFS
|
||||
deps int // Number of dependencies before allowed to commit this node
|
||||
|
||||
callback TrieSyncLeafCallback // Callback to invoke if a leaf node it reached on this branch
|
||||
}
|
||||
|
||||
// SyncResult is a simple list to return missing nodes along with their request
|
||||
// hashes.
|
||||
type SyncResult struct {
|
||||
Hash common.Hash // Hash of the originally unknown trie node
|
||||
Data []byte // Data content of the retrieved node
|
||||
}
|
||||
|
||||
// TrieSyncLeafCallback is a callback type invoked when a trie sync reaches a
|
||||
// leaf node. It's used by state syncing to check if the leaf node requires some
|
||||
// further data syncing.
|
||||
type TrieSyncLeafCallback func(leaf []byte, parent common.Hash) error
|
||||
|
||||
// TrieSync is the main state trie synchronisation scheduler, which provides yet
|
||||
// unknown trie hashes to retrieve, accepts node data associated with said hashes
|
||||
// and reconstructs the trie steb by step until all is done.
|
||||
type TrieSync struct {
|
||||
database Database // State database for storing all the assembled node data
|
||||
requests map[common.Hash]*request // Pending requests pertaining to a key hash
|
||||
queue *prque.Prque // Priority queue with the pending requests
|
||||
}
|
||||
|
||||
// NewTrieSync creates a new trie data download scheduler.
|
||||
func NewTrieSync(root common.Hash, database Database, callback TrieSyncLeafCallback) *TrieSync {
|
||||
ts := &TrieSync{
|
||||
database: database,
|
||||
requests: make(map[common.Hash]*request),
|
||||
queue: prque.New(),
|
||||
}
|
||||
ts.AddSubTrie(root, 0, common.Hash{}, callback)
|
||||
return ts
|
||||
}
|
||||
|
||||
// AddSubTrie registers a new trie to the sync code, rooted at the designated parent.
|
||||
func (s *TrieSync) AddSubTrie(root common.Hash, depth int, parent common.Hash, callback TrieSyncLeafCallback) {
|
||||
// Short circuit if the trie is empty
|
||||
if root == emptyRoot {
|
||||
return
|
||||
}
|
||||
// Assemble the new sub-trie sync request
|
||||
node := node(hashNode(root.Bytes()))
|
||||
req := &request{
|
||||
object: &node,
|
||||
hash: root,
|
||||
depth: depth,
|
||||
callback: callback,
|
||||
}
|
||||
// If this sub-trie has a designated parent, link them together
|
||||
if parent != (common.Hash{}) {
|
||||
ancestor := s.requests[parent]
|
||||
if ancestor == nil {
|
||||
panic(fmt.Sprintf("sub-trie ancestor not found: %x", parent))
|
||||
}
|
||||
ancestor.deps++
|
||||
req.parents = append(req.parents, ancestor)
|
||||
}
|
||||
s.schedule(req)
|
||||
}
|
||||
|
||||
// Missing retrieves the known missing nodes from the trie for retrieval.
|
||||
func (s *TrieSync) Missing(max int) []common.Hash {
|
||||
requests := []common.Hash{}
|
||||
for !s.queue.Empty() && (max == 0 || len(requests) < max) {
|
||||
requests = append(requests, s.queue.PopItem().(common.Hash))
|
||||
}
|
||||
return requests
|
||||
}
|
||||
|
||||
// Process injects a batch of retrieved trie nodes data.
|
||||
func (s *TrieSync) Process(results []SyncResult) (int, error) {
|
||||
for i, item := range results {
|
||||
// If the item was not requested, bail out
|
||||
request := s.requests[item.Hash]
|
||||
if request == nil {
|
||||
return i, fmt.Errorf("not requested: %x", item.Hash)
|
||||
}
|
||||
// Decode the node data content and update the request
|
||||
node, err := decodeNode(item.Data)
|
||||
if err != nil {
|
||||
return i, err
|
||||
}
|
||||
*request.object = node
|
||||
request.data = item.Data
|
||||
|
||||
// Create and schedule a request for all the children nodes
|
||||
requests, err := s.children(request)
|
||||
if err != nil {
|
||||
return i, err
|
||||
}
|
||||
if len(requests) == 0 && request.deps == 0 {
|
||||
s.commit(request)
|
||||
continue
|
||||
}
|
||||
request.deps += len(requests)
|
||||
for _, child := range requests {
|
||||
s.schedule(child)
|
||||
}
|
||||
}
|
||||
return 0, nil
|
||||
}
|
||||
|
||||
// schedule inserts a new state retrieval request into the fetch queue. If there
|
||||
// is already a pending request for this node, the new request will be discarded
|
||||
// and only a parent reference added to the old one.
|
||||
func (s *TrieSync) schedule(req *request) {
|
||||
// If we're already requesting this node, add a new reference and stop
|
||||
if old, ok := s.requests[req.hash]; ok {
|
||||
old.parents = append(old.parents, req.parents...)
|
||||
return
|
||||
}
|
||||
// Schedule the request for future retrieval
|
||||
s.queue.Push(req.hash, float32(req.depth))
|
||||
s.requests[req.hash] = req
|
||||
}
|
||||
|
||||
// children retrieves all the missing children of a state trie entry for future
|
||||
// retrieval scheduling.
|
||||
func (s *TrieSync) children(req *request) ([]*request, error) {
|
||||
// Gather all the children of the node, irrelevant whether known or not
|
||||
type child struct {
|
||||
node *node
|
||||
depth int
|
||||
}
|
||||
children := []child{}
|
||||
|
||||
switch node := (*req.object).(type) {
|
||||
case shortNode:
|
||||
children = []child{{
|
||||
node: &node.Val,
|
||||
depth: req.depth + len(node.Key),
|
||||
}}
|
||||
case fullNode:
|
||||
for i := 0; i < 17; i++ {
|
||||
if node[i] != nil {
|
||||
children = append(children, child{
|
||||
node: &node[i],
|
||||
depth: req.depth + 1,
|
||||
})
|
||||
}
|
||||
}
|
||||
default:
|
||||
panic(fmt.Sprintf("unknown node: %+v", node))
|
||||
}
|
||||
// Iterate over the children, and request all unknown ones
|
||||
requests := make([]*request, 0, len(children))
|
||||
for _, child := range children {
|
||||
// Notify any external watcher of a new key/value node
|
||||
if req.callback != nil {
|
||||
if node, ok := (*child.node).(valueNode); ok {
|
||||
if err := req.callback(node, req.hash); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
}
|
||||
// If the child references another node, resolve or schedule
|
||||
if node, ok := (*child.node).(hashNode); ok {
|
||||
// Try to resolve the node from the local database
|
||||
blob, _ := s.database.Get(node)
|
||||
if local, err := decodeNode(blob); local != nil && err == nil {
|
||||
*child.node = local
|
||||
continue
|
||||
}
|
||||
// Locally unknown node, schedule for retrieval
|
||||
requests = append(requests, &request{
|
||||
object: child.node,
|
||||
hash: common.BytesToHash(node),
|
||||
parents: []*request{req},
|
||||
depth: child.depth,
|
||||
callback: req.callback,
|
||||
})
|
||||
}
|
||||
}
|
||||
return requests, nil
|
||||
}
|
||||
|
||||
// commit finalizes a retrieval request and stores it into the database. If any
|
||||
// of the referencing parent requests complete due to this commit, they are also
|
||||
// committed themselves.
|
||||
func (s *TrieSync) commit(req *request) error {
|
||||
// Write the node content to disk
|
||||
if err := s.database.Put(req.hash[:], req.data); err != nil {
|
||||
return err
|
||||
}
|
||||
delete(s.requests, req.hash)
|
||||
|
||||
// Check all parents for completion
|
||||
for _, parent := range req.parents {
|
||||
parent.deps--
|
||||
if parent.deps == 0 {
|
||||
if err := s.commit(parent); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
257
trie/sync_test.go
Normal file
257
trie/sync_test.go
Normal file
@ -0,0 +1,257 @@
|
||||
// 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 trie
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"testing"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
"github.com/ethereum/go-ethereum/ethdb"
|
||||
)
|
||||
|
||||
// makeTestTrie create a sample test trie to test node-wise reconstruction.
|
||||
func makeTestTrie() (ethdb.Database, *Trie, map[string][]byte) {
|
||||
// Create an empty trie
|
||||
db, _ := ethdb.NewMemDatabase()
|
||||
trie, _ := New(common.Hash{}, db)
|
||||
|
||||
// Fill it with some arbitrary data
|
||||
content := make(map[string][]byte)
|
||||
for i := byte(0); i < 255; i++ {
|
||||
key, val := common.LeftPadBytes([]byte{1, i}, 32), []byte{i}
|
||||
content[string(key)] = val
|
||||
trie.Update(key, val)
|
||||
|
||||
key, val = common.LeftPadBytes([]byte{2, i}, 32), []byte{i}
|
||||
content[string(key)] = val
|
||||
trie.Update(key, val)
|
||||
}
|
||||
trie.Commit()
|
||||
|
||||
// Return the generated trie
|
||||
return db, trie, content
|
||||
}
|
||||
|
||||
// checkTrieContents cross references a reconstructed trie with an expected data
|
||||
// content map.
|
||||
func checkTrieContents(t *testing.T, db Database, root []byte, content map[string][]byte) {
|
||||
trie, err := New(common.BytesToHash(root), db)
|
||||
if err != nil {
|
||||
t.Fatalf("failed to create trie at %x: %v", root, err)
|
||||
}
|
||||
for key, val := range content {
|
||||
if have := trie.Get([]byte(key)); bytes.Compare(have, val) != 0 {
|
||||
t.Errorf("entry %x: content mismatch: have %x, want %x", key, have, val)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Tests that an empty trie is not scheduled for syncing.
|
||||
func TestEmptyTrieSync(t *testing.T) {
|
||||
emptyA, _ := New(common.Hash{}, nil)
|
||||
emptyB, _ := New(emptyRoot, nil)
|
||||
|
||||
for i, trie := range []*Trie{emptyA, emptyB} {
|
||||
db, _ := ethdb.NewMemDatabase()
|
||||
if req := NewTrieSync(common.BytesToHash(trie.Root()), db, nil).Missing(1); len(req) != 0 {
|
||||
t.Errorf("test %d: content requested for empty trie: %v", i, req)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Tests that given a root hash, a trie can sync iteratively on a single thread,
|
||||
// requesting retrieval tasks and returning all of them in one go.
|
||||
func TestIterativeTrieSyncIndividual(t *testing.T) { testIterativeTrieSync(t, 1) }
|
||||
func TestIterativeTrieSyncBatched(t *testing.T) { testIterativeTrieSync(t, 100) }
|
||||
|
||||
func testIterativeTrieSync(t *testing.T, batch int) {
|
||||
// Create a random trie to copy
|
||||
srcDb, srcTrie, srcData := makeTestTrie()
|
||||
|
||||
// Create a destination trie and sync with the scheduler
|
||||
dstDb, _ := ethdb.NewMemDatabase()
|
||||
sched := NewTrieSync(common.BytesToHash(srcTrie.Root()), dstDb, nil)
|
||||
|
||||
queue := append([]common.Hash{}, sched.Missing(batch)...)
|
||||
for len(queue) > 0 {
|
||||
results := make([]SyncResult, len(queue))
|
||||
for i, hash := range queue {
|
||||
data, err := srcDb.Get(hash.Bytes())
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
|
||||
}
|
||||
results[i] = SyncResult{hash, data}
|
||||
}
|
||||
if index, err := sched.Process(results); err != nil {
|
||||
t.Fatalf("failed to process result #%d: %v", index, err)
|
||||
}
|
||||
queue = append(queue[:0], sched.Missing(batch)...)
|
||||
}
|
||||
// Cross check that the two tries re in sync
|
||||
checkTrieContents(t, dstDb, srcTrie.Root(), srcData)
|
||||
}
|
||||
|
||||
// Tests that the trie scheduler can correctly reconstruct the state even if only
|
||||
// partial results are returned, and the others sent only later.
|
||||
func TestIterativeDelayedTrieSync(t *testing.T) {
|
||||
// Create a random trie to copy
|
||||
srcDb, srcTrie, srcData := makeTestTrie()
|
||||
|
||||
// Create a destination trie and sync with the scheduler
|
||||
dstDb, _ := ethdb.NewMemDatabase()
|
||||
sched := NewTrieSync(common.BytesToHash(srcTrie.Root()), dstDb, nil)
|
||||
|
||||
queue := append([]common.Hash{}, sched.Missing(10000)...)
|
||||
for len(queue) > 0 {
|
||||
// Sync only half of the scheduled nodes
|
||||
results := make([]SyncResult, len(queue)/2+1)
|
||||
for i, hash := range queue[:len(results)] {
|
||||
data, err := srcDb.Get(hash.Bytes())
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
|
||||
}
|
||||
results[i] = SyncResult{hash, data}
|
||||
}
|
||||
if index, err := sched.Process(results); err != nil {
|
||||
t.Fatalf("failed to process result #%d: %v", index, err)
|
||||
}
|
||||
queue = append(queue[len(results):], sched.Missing(10000)...)
|
||||
}
|
||||
// Cross check that the two tries re in sync
|
||||
checkTrieContents(t, dstDb, srcTrie.Root(), srcData)
|
||||
}
|
||||
|
||||
// Tests that given a root hash, a trie can sync iteratively on a single thread,
|
||||
// requesting retrieval tasks and returning all of them in one go, however in a
|
||||
// random order.
|
||||
func TestIterativeRandomTrieSyncIndividual(t *testing.T) { testIterativeRandomTrieSync(t, 1) }
|
||||
func TestIterativeRandomTrieSyncBatched(t *testing.T) { testIterativeRandomTrieSync(t, 100) }
|
||||
|
||||
func testIterativeRandomTrieSync(t *testing.T, batch int) {
|
||||
// Create a random trie to copy
|
||||
srcDb, srcTrie, srcData := makeTestTrie()
|
||||
|
||||
// Create a destination trie and sync with the scheduler
|
||||
dstDb, _ := ethdb.NewMemDatabase()
|
||||
sched := NewTrieSync(common.BytesToHash(srcTrie.Root()), dstDb, nil)
|
||||
|
||||
queue := make(map[common.Hash]struct{})
|
||||
for _, hash := range sched.Missing(batch) {
|
||||
queue[hash] = struct{}{}
|
||||
}
|
||||
for len(queue) > 0 {
|
||||
// Fetch all the queued nodes in a random order
|
||||
results := make([]SyncResult, 0, len(queue))
|
||||
for hash, _ := range queue {
|
||||
data, err := srcDb.Get(hash.Bytes())
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
|
||||
}
|
||||
results = append(results, SyncResult{hash, data})
|
||||
}
|
||||
// Feed the retrieved results back and queue new tasks
|
||||
if index, err := sched.Process(results); err != nil {
|
||||
t.Fatalf("failed to process result #%d: %v", index, err)
|
||||
}
|
||||
queue = make(map[common.Hash]struct{})
|
||||
for _, hash := range sched.Missing(batch) {
|
||||
queue[hash] = struct{}{}
|
||||
}
|
||||
}
|
||||
// Cross check that the two tries re in sync
|
||||
checkTrieContents(t, dstDb, srcTrie.Root(), srcData)
|
||||
}
|
||||
|
||||
// Tests that the trie scheduler can correctly reconstruct the state even if only
|
||||
// partial results are returned (Even those randomly), others sent only later.
|
||||
func TestIterativeRandomDelayedTrieSync(t *testing.T) {
|
||||
// Create a random trie to copy
|
||||
srcDb, srcTrie, srcData := makeTestTrie()
|
||||
|
||||
// Create a destination trie and sync with the scheduler
|
||||
dstDb, _ := ethdb.NewMemDatabase()
|
||||
sched := NewTrieSync(common.BytesToHash(srcTrie.Root()), dstDb, nil)
|
||||
|
||||
queue := make(map[common.Hash]struct{})
|
||||
for _, hash := range sched.Missing(10000) {
|
||||
queue[hash] = struct{}{}
|
||||
}
|
||||
for len(queue) > 0 {
|
||||
// Sync only half of the scheduled nodes, even those in random order
|
||||
results := make([]SyncResult, 0, len(queue)/2+1)
|
||||
for hash, _ := range queue {
|
||||
data, err := srcDb.Get(hash.Bytes())
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
|
||||
}
|
||||
results = append(results, SyncResult{hash, data})
|
||||
|
||||
if len(results) >= cap(results) {
|
||||
break
|
||||
}
|
||||
}
|
||||
// Feed the retrieved results back and queue new tasks
|
||||
if index, err := sched.Process(results); err != nil {
|
||||
t.Fatalf("failed to process result #%d: %v", index, err)
|
||||
}
|
||||
for _, result := range results {
|
||||
delete(queue, result.Hash)
|
||||
}
|
||||
for _, hash := range sched.Missing(10000) {
|
||||
queue[hash] = struct{}{}
|
||||
}
|
||||
}
|
||||
// Cross check that the two tries re in sync
|
||||
checkTrieContents(t, dstDb, srcTrie.Root(), srcData)
|
||||
}
|
||||
|
||||
// Tests that a trie sync will not request nodes multiple times, even if they
|
||||
// have such references.
|
||||
func TestDuplicateAvoidanceTrieSync(t *testing.T) {
|
||||
// Create a random trie to copy
|
||||
srcDb, srcTrie, srcData := makeTestTrie()
|
||||
|
||||
// Create a destination trie and sync with the scheduler
|
||||
dstDb, _ := ethdb.NewMemDatabase()
|
||||
sched := NewTrieSync(common.BytesToHash(srcTrie.Root()), dstDb, nil)
|
||||
|
||||
queue := append([]common.Hash{}, sched.Missing(0)...)
|
||||
requested := make(map[common.Hash]struct{})
|
||||
|
||||
for len(queue) > 0 {
|
||||
results := make([]SyncResult, len(queue))
|
||||
for i, hash := range queue {
|
||||
data, err := srcDb.Get(hash.Bytes())
|
||||
if err != nil {
|
||||
t.Fatalf("failed to retrieve node data for %x: %v", hash, err)
|
||||
}
|
||||
if _, ok := requested[hash]; ok {
|
||||
t.Errorf("hash %x already requested once", hash)
|
||||
}
|
||||
requested[hash] = struct{}{}
|
||||
|
||||
results[i] = SyncResult{hash, data}
|
||||
}
|
||||
if index, err := sched.Process(results); err != nil {
|
||||
t.Fatalf("failed to process result #%d: %v", index, err)
|
||||
}
|
||||
queue = append(queue[:0], sched.Missing(0)...)
|
||||
}
|
||||
// Cross check that the two tries re in sync
|
||||
checkTrieContents(t, dstDb, srcTrie.Root(), srcData)
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user