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eth: rework tx fetcher to use O(1) ops + manage network requests

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This commit is contained in:
Péter Szilágyi 2020-01-22 16:39:43 +02:00
parent 049e17116e
commit 9938d954c8
No known key found for this signature in database
GPG Key ID: E9AE538CEDF8293D
128 changed files with 2867 additions and 871 deletions
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9
core/tx_pool.go
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@ -18,7 +18,6 @@ package core
import (
"errors"
"fmt"
"math"
"math/big"
"sort"
@ -53,6 +52,10 @@ const (
)
var (
// ErrAlreadyKnown is returned if the transactions is already contained
// within the pool.
ErrAlreadyKnown = errors.New("already known")
// ErrInvalidSender is returned if the transaction contains an invalid signature.
ErrInvalidSender = errors.New("invalid sender")
@ -579,7 +582,7 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (replaced bool, err e
if pool.all.Get(hash) != nil {
log.Trace("Discarding already known transaction", "hash", hash)
knownTxMeter.Mark(1)
return false, fmt.Errorf("known transaction: %x", hash)
return false, ErrAlreadyKnown
}
// If the transaction fails basic validation, discard it
if err := pool.validateTx(tx, local); err != nil {
@ -786,7 +789,7 @@ func (pool *TxPool) addTxs(txs []*types.Transaction, local, sync bool) []error {
for i, tx := range txs {
// If the transaction is known, pre-set the error slot
if pool.all.Get(tx.Hash()) != nil {
errs[i] = fmt.Errorf("known transaction: %x", tx.Hash())
errs[i] = ErrAlreadyKnown
knownTxMeter.Mark(1)
continue
}

21
eth/fetcher/block_fetcher.go
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@ -27,6 +27,7 @@ import (
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
)
const (
@ -42,6 +43,26 @@ const (
blockLimit = 64 // Maximum number of unique blocks a peer may have delivered
)
var (
blockAnnounceInMeter = metrics.NewRegisteredMeter("eth/fetcher/block/announces/in", nil)
blockAnnounceOutTimer = metrics.NewRegisteredTimer("eth/fetcher/block/announces/out", nil)
blockAnnounceDropMeter = metrics.NewRegisteredMeter("eth/fetcher/block/announces/drop", nil)
blockAnnounceDOSMeter = metrics.NewRegisteredMeter("eth/fetcher/block/announces/dos", nil)
blockBroadcastInMeter = metrics.NewRegisteredMeter("eth/fetcher/block/broadcasts/in", nil)
blockBroadcastOutTimer = metrics.NewRegisteredTimer("eth/fetcher/block/broadcasts/out", nil)
blockBroadcastDropMeter = metrics.NewRegisteredMeter("eth/fetcher/block/broadcasts/drop", nil)
blockBroadcastDOSMeter = metrics.NewRegisteredMeter("eth/fetcher/block/broadcasts/dos", nil)
headerFetchMeter = metrics.NewRegisteredMeter("eth/fetcher/block/headers", nil)
bodyFetchMeter = metrics.NewRegisteredMeter("eth/fetcher/block/bodies", nil)
headerFilterInMeter = metrics.NewRegisteredMeter("eth/fetcher/block/filter/headers/in", nil)
headerFilterOutMeter = metrics.NewRegisteredMeter("eth/fetcher/block/filter/headers/out", nil)
bodyFilterInMeter = metrics.NewRegisteredMeter("eth/fetcher/block/filter/bodies/in", nil)
bodyFilterOutMeter = metrics.NewRegisteredMeter("eth/fetcher/block/filter/bodies/out", nil)
)
var (
errTerminated = errors.New("terminated")
)

54
eth/fetcher/metrics.go
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@ -1,54 +0,0 @@
// 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/>.
// Contains the metrics collected by the fetcher.
package fetcher
import (
"github.com/ethereum/go-ethereum/metrics"
)
var (
blockAnnounceInMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/block/announces/in", nil)
blockAnnounceOutTimer = metrics.NewRegisteredTimer("eth/fetcher/prop/block/announces/out", nil)
blockAnnounceDropMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/block/announces/drop", nil)
blockAnnounceDOSMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/block/announces/dos", nil)
blockBroadcastInMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/block/broadcasts/in", nil)
blockBroadcastOutTimer = metrics.NewRegisteredTimer("eth/fetcher/prop/block/broadcasts/out", nil)
blockBroadcastDropMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/block/broadcasts/drop", nil)
blockBroadcastDOSMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/block/broadcasts/dos", nil)
headerFetchMeter = metrics.NewRegisteredMeter("eth/fetcher/fetch/headers", nil)
bodyFetchMeter = metrics.NewRegisteredMeter("eth/fetcher/fetch/bodies", nil)
headerFilterInMeter = metrics.NewRegisteredMeter("eth/fetcher/filter/headers/in", nil)
headerFilterOutMeter = metrics.NewRegisteredMeter("eth/fetcher/filter/headers/out", nil)
bodyFilterInMeter = metrics.NewRegisteredMeter("eth/fetcher/filter/bodies/in", nil)
bodyFilterOutMeter = metrics.NewRegisteredMeter("eth/fetcher/filter/bodies/out", nil)
txAnnounceInMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/transaction/announces/in", nil)
txAnnounceDOSMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/transaction/announces/dos", nil)
txAnnounceSkipMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/transaction/announces/skip", nil)
txAnnounceUnderpriceMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/transaction/announces/underprice", nil)
txBroadcastInMeter = metrics.NewRegisteredMeter("eth/fetcher/prop/transaction/broadcasts/in", nil)
txFetchOutMeter = metrics.NewRegisteredMeter("eth/fetcher/fetch/transaction/out", nil)
txFetchSuccessMeter = metrics.NewRegisteredMeter("eth/fetcher/fetch/transaction/success", nil)
txFetchTimeoutMeter = metrics.NewRegisteredMeter("eth/fetcher/fetch/transaction/timeout", nil)
txFetchInvalidMeter = metrics.NewRegisteredMeter("eth/fetcher/fetch/transaction/invalid", nil)
txFetchDurationTimer = metrics.NewRegisteredTimer("eth/fetcher/fetch/transaction/duration", nil)
)

955
eth/fetcher/tx_fetcher.go
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File diff suppressed because it is too large Load Diff

1676
eth/fetcher/tx_fetcher_test.go
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File diff suppressed because it is too large Load Diff

59
eth/handler.go
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@ -51,7 +51,7 @@ const (
// The number is referenced from the size of tx pool.
txChanSize = 4096
// minimim number of peers to broadcast new blocks to
// minimim number of peers to broadcast entire blocks and transactions too.
minBroadcastPeers = 4
)
@ -192,7 +192,15 @@ func NewProtocolManager(config *params.ChainConfig, checkpoint *params.TrustedCh
return n, err
}
manager.blockFetcher = fetcher.NewBlockFetcher(blockchain.GetBlockByHash, validator, manager.BroadcastBlock, heighter, inserter, manager.removePeer)
manager.txFetcher = fetcher.NewTxFetcher(txpool.Has, txpool.AddRemotes, manager.removePeer)
fetchTx := func(peer string, hashes []common.Hash) error {
p := manager.peers.Peer(peer)
if p == nil {
return errors.New("unknown peer")
}
return p.RequestTxs(hashes)
}
manager.txFetcher = fetcher.NewTxFetcher(txpool.Has, txpool.AddRemotes, fetchTx)
return manager, nil
}
@ -240,6 +248,8 @@ func (pm *ProtocolManager) removePeer(id string) {
// Unregister the peer from the downloader and Ethereum peer set
pm.downloader.UnregisterPeer(id)
pm.txFetcher.Drop(id)
if err := pm.peers.Unregister(id); err != nil {
log.Error("Peer removal failed", "peer", id, "err", err)
}
@ -263,7 +273,7 @@ func (pm *ProtocolManager) Start(maxPeers int) {
// start sync handlers
go pm.syncer()
go pm.txsyncLoop()
go pm.txsyncLoop64() // TODO(karalabe): Legacy initial tx echange, drop with eth/64.
}
func (pm *ProtocolManager) Stop() {
@ -292,7 +302,7 @@ func (pm *ProtocolManager) Stop() {
}
func (pm *ProtocolManager) newPeer(pv int, p *p2p.Peer, rw p2p.MsgReadWriter, getPooledTx func(hash common.Hash) *types.Transaction) *peer {
return newPeer(pv, p, newMeteredMsgWriter(rw), getPooledTx)
return newPeer(pv, p, rw, getPooledTx)
}
// handle is the callback invoked to manage the life cycle of an eth peer. When
@ -316,9 +326,6 @@ func (pm *ProtocolManager) handle(p *peer) error {
p.Log().Debug("Ethereum handshake failed", "err", err)
return err
}
if rw, ok := p.rw.(*meteredMsgReadWriter); ok {
rw.Init(p.version)
}
// Register the peer locally
if err := pm.peers.Register(p); err != nil {
p.Log().Error("Ethereum peer registration failed", "err", err)
@ -740,20 +747,10 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
// Schedule all the unknown hashes for retrieval
var unknown []common.Hash
for _, hash := range hashes {
// Mark the hashes as present at the remote node
p.MarkTransaction(hash)
// Filter duplicated transaction announcement.
// Notably we only dedupliate announcement in txpool, check the rationale
// behind in EIP https://github.com/ethereum/EIPs/pull/2464.
if pm.txpool.Has(hash) {
continue
}
unknown = append(unknown, hash)
}
pm.txFetcher.Notify(p.id, unknown, time.Now(), p.AsyncRequestTxs)
pm.txFetcher.Notify(p.id, hashes)
case msg.Code == GetPooledTransactionsMsg && p.version >= eth65:
// Decode the retrieval message
@ -763,9 +760,10 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
// Gather transactions until the fetch or network limits is reached
var (
hash common.Hash
bytes int
txs []rlp.RawValue
hash common.Hash
bytes int
hashes []common.Hash
txs []rlp.RawValue
)
for bytes < softResponseLimit {
// Retrieve the hash of the next block
@ -783,13 +781,14 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
if encoded, err := rlp.EncodeToBytes(tx); err != nil {
log.Error("Failed to encode transaction", "err", err)
} else {
hashes = append(hashes, hash)
txs = append(txs, encoded)
bytes += len(encoded)
}
}
return p.SendTransactionRLP(txs)
return p.SendPooledTransactionsRLP(hashes, txs)
case msg.Code == TxMsg:
case msg.Code == TransactionMsg || (msg.Code == PooledTransactionsMsg && p.version >= eth65):
// Transactions arrived, make sure we have a valid and fresh chain to handle them
if atomic.LoadUint32(&pm.acceptTxs) == 0 {
break
@ -806,7 +805,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
p.MarkTransaction(tx.Hash())
}
pm.txFetcher.EnqueueTxs(p.id, txs)
pm.txFetcher.Enqueue(p.id, txs, msg.Code == PooledTransactionsMsg)
default:
return errResp(ErrInvalidMsgCode, "%v", msg.Code)
@ -854,9 +853,9 @@ func (pm *ProtocolManager) BroadcastBlock(block *types.Block, propagate bool) {
}
}
// BroadcastTxs will propagate a batch of transactions to all peers which are not known to
// BroadcastTransactions will propagate a batch of transactions to all peers which are not known to
// already have the given transaction.
func (pm *ProtocolManager) BroadcastTxs(txs types.Transactions, propagate bool) {
func (pm *ProtocolManager) BroadcastTransactions(txs types.Transactions, propagate bool) {
var (
txset = make(map[*peer][]common.Hash)
annos = make(map[*peer][]common.Hash)
@ -894,7 +893,7 @@ func (pm *ProtocolManager) BroadcastTxs(txs types.Transactions, propagate bool)
}
for peer, hashes := range annos {
if peer.version >= eth65 {
peer.AsyncSendTransactionHashes(hashes)
peer.AsyncSendPooledTransactionHashes(hashes)
} else {
peer.AsyncSendTransactions(hashes)
}
@ -918,11 +917,11 @@ func (pm *ProtocolManager) txBroadcastLoop() {
case event := <-pm.txsCh:
// For testing purpose only, disable propagation
if pm.broadcastTxAnnouncesOnly {
pm.BroadcastTxs(event.Txs, false)
pm.BroadcastTransactions(event.Txs, false)
continue
}
pm.BroadcastTxs(event.Txs, true) // First propagate transactions to peers
pm.BroadcastTxs(event.Txs, false) // Only then announce to the rest
pm.BroadcastTransactions(event.Txs, true) // First propagate transactions to peers
pm.BroadcastTransactions(event.Txs, false) // Only then announce to the rest
// Err() channel will be closed when unsubscribing.
case <-pm.txsSub.Err():

139
eth/metrics.go
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@ -1,139 +0,0 @@
// 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 eth
import (
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/p2p"
)
var (
propTxnInPacketsMeter = metrics.NewRegisteredMeter("eth/prop/txns/in/packets", nil)
propTxnInTrafficMeter = metrics.NewRegisteredMeter("eth/prop/txns/in/traffic", nil)
propTxnOutPacketsMeter = metrics.NewRegisteredMeter("eth/prop/txns/out/packets", nil)
propTxnOutTrafficMeter = metrics.NewRegisteredMeter("eth/prop/txns/out/traffic", nil)
propHashInPacketsMeter = metrics.NewRegisteredMeter("eth/prop/hashes/in/packets", nil)
propHashInTrafficMeter = metrics.NewRegisteredMeter("eth/prop/hashes/in/traffic", nil)
propHashOutPacketsMeter = metrics.NewRegisteredMeter("eth/prop/hashes/out/packets", nil)
propHashOutTrafficMeter = metrics.NewRegisteredMeter("eth/prop/hashes/out/traffic", nil)
propBlockInPacketsMeter = metrics.NewRegisteredMeter("eth/prop/blocks/in/packets", nil)
propBlockInTrafficMeter = metrics.NewRegisteredMeter("eth/prop/blocks/in/traffic", nil)
propBlockOutPacketsMeter = metrics.NewRegisteredMeter("eth/prop/blocks/out/packets", nil)
propBlockOutTrafficMeter = metrics.NewRegisteredMeter("eth/prop/blocks/out/traffic", nil)
reqHeaderInPacketsMeter = metrics.NewRegisteredMeter("eth/req/headers/in/packets", nil)
reqHeaderInTrafficMeter = metrics.NewRegisteredMeter("eth/req/headers/in/traffic", nil)
reqHeaderOutPacketsMeter = metrics.NewRegisteredMeter("eth/req/headers/out/packets", nil)
reqHeaderOutTrafficMeter = metrics.NewRegisteredMeter("eth/req/headers/out/traffic", nil)
reqBodyInPacketsMeter = metrics.NewRegisteredMeter("eth/req/bodies/in/packets", nil)
reqBodyInTrafficMeter = metrics.NewRegisteredMeter("eth/req/bodies/in/traffic", nil)
reqBodyOutPacketsMeter = metrics.NewRegisteredMeter("eth/req/bodies/out/packets", nil)
reqBodyOutTrafficMeter = metrics.NewRegisteredMeter("eth/req/bodies/out/traffic", nil)
reqStateInPacketsMeter = metrics.NewRegisteredMeter("eth/req/states/in/packets", nil)
reqStateInTrafficMeter = metrics.NewRegisteredMeter("eth/req/states/in/traffic", nil)
reqStateOutPacketsMeter = metrics.NewRegisteredMeter("eth/req/states/out/packets", nil)
reqStateOutTrafficMeter = metrics.NewRegisteredMeter("eth/req/states/out/traffic", nil)
reqReceiptInPacketsMeter = metrics.NewRegisteredMeter("eth/req/receipts/in/packets", nil)
reqReceiptInTrafficMeter = metrics.NewRegisteredMeter("eth/req/receipts/in/traffic", nil)
reqReceiptOutPacketsMeter = metrics.NewRegisteredMeter("eth/req/receipts/out/packets", nil)
reqReceiptOutTrafficMeter = metrics.NewRegisteredMeter("eth/req/receipts/out/traffic", nil)
miscInPacketsMeter = metrics.NewRegisteredMeter("eth/misc/in/packets", nil)
miscInTrafficMeter = metrics.NewRegisteredMeter("eth/misc/in/traffic", nil)
miscOutPacketsMeter = metrics.NewRegisteredMeter("eth/misc/out/packets", nil)
miscOutTrafficMeter = metrics.NewRegisteredMeter("eth/misc/out/traffic", nil)
)
// meteredMsgReadWriter is a wrapper around a p2p.MsgReadWriter, capable of
// accumulating the above defined metrics based on the data stream contents.
type meteredMsgReadWriter struct {
p2p.MsgReadWriter // Wrapped message stream to meter
version int // Protocol version to select correct meters
}
// newMeteredMsgWriter wraps a p2p MsgReadWriter with metering support. If the
// metrics system is disabled, this function returns the original object.
func newMeteredMsgWriter(rw p2p.MsgReadWriter) p2p.MsgReadWriter {
if !metrics.Enabled {
return rw
}
return &meteredMsgReadWriter{MsgReadWriter: rw}
}
// Init sets the protocol version used by the stream to know which meters to
// increment in case of overlapping message ids between protocol versions.
func (rw *meteredMsgReadWriter) Init(version int) {
rw.version = version
}
func (rw *meteredMsgReadWriter) ReadMsg() (p2p.Msg, error) {
// Read the message and short circuit in case of an error
msg, err := rw.MsgReadWriter.ReadMsg()
if err != nil {
return msg, err
}
// Account for the data traffic
packets, traffic := miscInPacketsMeter, miscInTrafficMeter
switch {
case msg.Code == BlockHeadersMsg:
packets, traffic = reqHeaderInPacketsMeter, reqHeaderInTrafficMeter
case msg.Code == BlockBodiesMsg:
packets, traffic = reqBodyInPacketsMeter, reqBodyInTrafficMeter
case rw.version >= eth63 && msg.Code == NodeDataMsg:
packets, traffic = reqStateInPacketsMeter, reqStateInTrafficMeter
case rw.version >= eth63 && msg.Code == ReceiptsMsg:
packets, traffic = reqReceiptInPacketsMeter, reqReceiptInTrafficMeter
case msg.Code == NewBlockHashesMsg:
packets, traffic = propHashInPacketsMeter, propHashInTrafficMeter
case msg.Code == NewBlockMsg:
packets, traffic = propBlockInPacketsMeter, propBlockInTrafficMeter
case msg.Code == TxMsg:
packets, traffic = propTxnInPacketsMeter, propTxnInTrafficMeter
}
packets.Mark(1)
traffic.Mark(int64(msg.Size))
return msg, err
}
func (rw *meteredMsgReadWriter) WriteMsg(msg p2p.Msg) error {
// Account for the data traffic
packets, traffic := miscOutPacketsMeter, miscOutTrafficMeter
switch {
case msg.Code == BlockHeadersMsg:
packets, traffic = reqHeaderOutPacketsMeter, reqHeaderOutTrafficMeter
case msg.Code == BlockBodiesMsg:
packets, traffic = reqBodyOutPacketsMeter, reqBodyOutTrafficMeter
case rw.version >= eth63 && msg.Code == NodeDataMsg:
packets, traffic = reqStateOutPacketsMeter, reqStateOutTrafficMeter
case rw.version >= eth63 && msg.Code == ReceiptsMsg:
packets, traffic = reqReceiptOutPacketsMeter, reqReceiptOutTrafficMeter
case msg.Code == NewBlockHashesMsg:
packets, traffic = propHashOutPacketsMeter, propHashOutTrafficMeter
case msg.Code == NewBlockMsg:
packets, traffic = propBlockOutPacketsMeter, propBlockOutTrafficMeter
case msg.Code == TxMsg:
packets, traffic = propTxnOutPacketsMeter, propTxnOutTrafficMeter
}
packets.Mark(1)
traffic.Mark(int64(msg.Size))
// Send the packet to the p2p layer
return rw.MsgReadWriter.WriteMsg(msg)
}

318
eth/peer.go
View File

@ -27,7 +27,6 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/forkid"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth/fetcher"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rlp"
)
@ -43,17 +42,13 @@ const (
maxKnownBlocks = 1024 // Maximum block hashes to keep in the known list (prevent DOS)
// maxQueuedTxs is the maximum number of transactions to queue up before dropping
// broadcasts.
// older broadcasts.
maxQueuedTxs = 4096
// maxQueuedTxAnns is the maximum number of transaction announcements to queue up
// before dropping broadcasts.
// before dropping older announcements.
maxQueuedTxAnns = 4096
// maxQueuedTxRetrieval is the maximum number of tx retrieval requests to queue up
// before dropping requests.
maxQueuedTxRetrieval = 4096
// maxQueuedBlocks is the maximum number of block propagations to queue up before
// dropping broadcasts. There's not much point in queueing stale blocks, so a few
// that might cover uncles should be enough.
@ -102,15 +97,16 @@ type peer struct {
td *big.Int
lock sync.RWMutex
knownTxs mapset.Set // Set of transaction hashes known to be known by this peer
knownBlocks mapset.Set // Set of block hashes known to be known by this peer
queuedBlocks chan *propEvent // Queue of blocks to broadcast to the peer
queuedBlockAnns chan *types.Block // Queue of blocks to announce to the peer
txPropagation chan []common.Hash // Channel used to queue transaction propagation requests
txAnnounce chan []common.Hash // Channel used to queue transaction announcement requests
txRetrieval chan []common.Hash // Channel used to queue transaction retrieval requests
getPooledTx func(common.Hash) *types.Transaction // Callback used to retrieve transaction from txpool
term chan struct{} // Termination channel to stop the broadcaster
knownBlocks mapset.Set // Set of block hashes known to be known by this peer
queuedBlocks chan *propEvent // Queue of blocks to broadcast to the peer
queuedBlockAnns chan *types.Block // Queue of blocks to announce to the peer
knownTxs mapset.Set // Set of transaction hashes known to be known by this peer
txBroadcast chan []common.Hash // Channel used to queue transaction propagation requests
txAnnounce chan []common.Hash // Channel used to queue transaction announcement requests
getPooledTx func(common.Hash) *types.Transaction // Callback used to retrieve transaction from txpool
term chan struct{} // Termination channel to stop the broadcaster
}
func newPeer(version int, p *p2p.Peer, rw p2p.MsgReadWriter, getPooledTx func(hash common.Hash) *types.Transaction) *peer {
@ -123,17 +119,16 @@ func newPeer(version int, p *p2p.Peer, rw p2p.MsgReadWriter, getPooledTx func(ha
knownBlocks: mapset.NewSet(),
queuedBlocks: make(chan *propEvent, maxQueuedBlocks),
queuedBlockAnns: make(chan *types.Block, maxQueuedBlockAnns),
txPropagation: make(chan []common.Hash),
txBroadcast: make(chan []common.Hash),
txAnnounce: make(chan []common.Hash),
txRetrieval: make(chan []common.Hash),
getPooledTx: getPooledTx,
term: make(chan struct{}),
}
}
// broadcastBlocks is a write loop that multiplexes block propagations,
// announcements into the remote peer. The goal is to have an async writer
// that does not lock up node internals.
// broadcastBlocks is a write loop that multiplexes blocks and block accouncements
// to the remote peer. The goal is to have an async writer that does not lock up
// node internals and at the same time rate limits queued data.
func (p *peer) broadcastBlocks() {
for {
select {
@ -155,105 +150,60 @@ func (p *peer) broadcastBlocks() {
}
}
// broadcastTxs is a write loop that multiplexes transaction propagations,
// announcements into the remote peer. The goal is to have an async writer
// that does not lock up node internals.
func (p *peer) broadcastTxs() {
// broadcastTransactions is a write loop that schedules transaction broadcasts
// to the remote peer. The goal is to have an async writer that does not lock up
// node internals and at the same time rate limits queued data.
func (p *peer) broadcastTransactions() {
var (
txProps []common.Hash // Queue of transaction propagations to the peer
txAnnos []common.Hash // Queue of transaction announcements to the peer
done chan struct{} // Non-nil if background network sender routine is active.
errch = make(chan error) // Channel used to receive network error
queue []common.Hash // Queue of hashes to broadcast as full transactions
done chan struct{} // Non-nil if background broadcaster is running
fail = make(chan error) // Channel used to receive network error
)
scheduleTask := func() {
// Short circuit if there already has a inflight task.
if done != nil {
return
}
// Spin up transaction propagation task if there is any
// queued hashes.
if len(txProps) > 0 {
for {
// If there's no in-flight broadcast running, check if a new one is needed
if done == nil && len(queue) > 0 {
// Pile transaction until we reach our allowed network limit
var (
hashes []common.Hash
txs []*types.Transaction
size common.StorageSize
)
for i := 0; i < len(txProps) && size < txsyncPackSize; i++ {
if tx := p.getPooledTx(txProps[i]); tx != nil {
for i := 0; i < len(queue) && size < txsyncPackSize; i++ {
if tx := p.getPooledTx(queue[i]); tx != nil {
txs = append(txs, tx)
size += tx.Size()
}
hashes = append(hashes, txProps[i])
hashes = append(hashes, queue[i])
}
txProps = txProps[:copy(txProps, txProps[len(hashes):])]
queue = queue[:copy(queue, queue[len(hashes):])]
// If there's anything available to transfer, fire up an async writer
if len(txs) > 0 {
done = make(chan struct{})
go func() {
if err := p.SendNewTransactions(txs); err != nil {
errch <- err
if err := p.sendTransactions(txs); err != nil {
fail <- err
return
}
close(done)
p.Log().Trace("Sent transactions", "count", len(txs))
}()
return
}
}
// Spin up transaction announcement task if there is any
// queued hashes.
if len(txAnnos) > 0 {
var (
hashes []common.Hash
pending []common.Hash
size common.StorageSize
)
for i := 0; i < len(txAnnos) && size < txsyncPackSize; i++ {
if tx := p.getPooledTx(txAnnos[i]); tx != nil {
pending = append(pending, txAnnos[i])
size += common.HashLength
}
hashes = append(hashes, txAnnos[i])
}
txAnnos = txAnnos[:copy(txAnnos, txAnnos[len(hashes):])]
if len(pending) > 0 {
done = make(chan struct{})
go func() {
if err := p.SendNewTransactionHashes(pending); err != nil {
errch <- err
return
}
close(done)
p.Log().Trace("Sent transaction announcements", "count", len(pending))
}()
}
}
}
for {
scheduleTask()
// Transfer goroutine may or may not have been started, listen for events
select {
case hashes := <-p.txPropagation:
if len(txProps) == maxQueuedTxs {
continue
case hashes := <-p.txBroadcast:
// New batch of transactions to be broadcast, queue them (with cap)
queue = append(queue, hashes...)
if len(queue) > maxQueuedTxs {
// Fancy copy and resize to ensure buffer doesn't grow indefinitely
queue = queue[:copy(queue, queue[len(queue)-maxQueuedTxs:])]
}
if len(txProps)+len(hashes) > maxQueuedTxs {
hashes = hashes[:maxQueuedTxs-len(txProps)]
}
txProps = append(txProps, hashes...)
case hashes := <-p.txAnnounce:
if len(txAnnos) == maxQueuedTxAnns {
continue
}
if len(txAnnos)+len(hashes) > maxQueuedTxAnns {
hashes = hashes[:maxQueuedTxAnns-len(txAnnos)]
}
txAnnos = append(txAnnos, hashes...)
case <-done:
done = nil
case <-errch:
case <-fail:
return
case <-p.term:
@ -262,60 +212,60 @@ func (p *peer) broadcastTxs() {
}
}
// retrievalTxs is a write loop which is responsible for retrieving transaction
// from the remote peer. The goal is to have an async writer that does not lock
// up node internals. If there are too many requests queued, then new arrival
// requests will be dropped silently so that we can ensure the memory assumption
// is fixed for each peer.
func (p *peer) retrievalTxs() {
// announceTransactions is a write loop that schedules transaction broadcasts
// to the remote peer. The goal is to have an async writer that does not lock up
// node internals and at the same time rate limits queued data.
func (p *peer) announceTransactions() {
var (
requests []common.Hash // Queue of transaction requests to the peer
done chan struct{} // Non-nil if background network sender routine is active.
errch = make(chan error) // Channel used to receive network error
queue []common.Hash // Queue of hashes to announce as transaction stubs
done chan struct{} // Non-nil if background announcer is running
fail = make(chan error) // Channel used to receive network error
)
// pick chooses a reasonble number of transaction hashes for retrieval.
pick := func() []common.Hash {
var ret []common.Hash
if len(requests) > fetcher.MaxTransactionFetch {
ret = requests[:fetcher.MaxTransactionFetch]
} else {
ret = requests[:]
}
requests = requests[:copy(requests, requests[len(ret):])]
return ret
}
// send sends transactions retrieval request.
send := func(hashes []common.Hash, done chan struct{}) {
if err := p.RequestTxs(hashes); err != nil {
errch <- err
return
}
close(done)
p.Log().Trace("Sent transaction retrieval request", "count", len(hashes))
}
for {
select {
case hashes := <-p.txRetrieval:
if len(requests) == maxQueuedTxRetrieval {
continue
// If there's no in-flight announce running, check if a new one is needed
if done == nil && len(queue) > 0 {
// Pile transaction hashes until we reach our allowed network limit
var (
hashes []common.Hash
pending []common.Hash
size common.StorageSize
)
for i := 0; i < len(queue) && size < txsyncPackSize; i++ {
if p.getPooledTx(queue[i]) != nil {
pending = append(pending, queue[i])
size += common.HashLength
}
hashes = append(hashes, queue[i])
}
if len(requests)+len(hashes) > maxQueuedTxRetrieval {
hashes = hashes[:maxQueuedTxRetrieval-len(requests)]
}
requests = append(requests, hashes...)
if done == nil {
queue = queue[:copy(queue, queue[len(hashes):])]
// If there's anything available to transfer, fire up an async writer
if len(pending) > 0 {
done = make(chan struct{})
go send(pick(), done)
go func() {
if err := p.sendPooledTransactionHashes(pending); err != nil {
fail <- err
return
}
close(done)
p.Log().Trace("Sent transaction announcements", "count", len(pending))
}()
}
}
// Transfer goroutine may or may not have been started, listen for events
select {
case hashes := <-p.txAnnounce:
// New batch of transactions to be broadcast, queue them (with cap)
queue = append(queue, hashes...)
if len(queue) > maxQueuedTxAnns {
// Fancy copy and resize to ensure buffer doesn't grow indefinitely
queue = queue[:copy(queue, queue[len(queue)-maxQueuedTxs:])]
}
case <-done:
done = nil
if pending := pick(); len(pending) > 0 {
done = make(chan struct{})
go send(pending, done)
}
case <- errch:
case <-fail:
return
case <-p.term:
@ -379,22 +329,22 @@ func (p *peer) MarkTransaction(hash common.Hash) {
p.knownTxs.Add(hash)
}
// SendNewTransactionHashes sends a batch of transaction hashes to the peer and
// includes the hashes in its transaction hash set for future reference.
func (p *peer) SendNewTransactionHashes(hashes []common.Hash) error {
// Mark all the transactions as known, but ensure we don't overflow our limits
for p.knownTxs.Cardinality() > max(0, maxKnownTxs-len(hashes)) {
p.knownTxs.Pop()
}
for _, hash := range hashes {
p.knownTxs.Add(hash)
}
return p2p.Send(p.rw, NewPooledTransactionHashesMsg, hashes)
// SendTransactions64 sends transactions to the peer and includes the hashes
// in its transaction hash set for future reference.
//
// This method is legacy support for initial transaction exchange in eth/64 and
// prior. For eth/65 and higher use SendPooledTransactionHashes.
func (p *peer) SendTransactions64(txs types.Transactions) error {
return p.sendTransactions(txs)
}
// SendNewTransactions sends transactions to the peer and includes the hashes
// sendTransactions sends transactions to the peer and includes the hashes
// in its transaction hash set for future reference.
func (p *peer) SendNewTransactions(txs types.Transactions) error {
//
// This method is a helper used by the async transaction sender. Don't call it
// directly as the queueing (memory) and transmission (bandwidth) costs should
// not be managed directly.
func (p *peer) sendTransactions(txs types.Transactions) error {
// Mark all the transactions as known, but ensure we don't overflow our limits
for p.knownTxs.Cardinality() > max(0, maxKnownTxs-len(txs)) {
p.knownTxs.Pop()
@ -402,18 +352,15 @@ func (p *peer) SendNewTransactions(txs types.Transactions) error {
for _, tx := range txs {
p.knownTxs.Add(tx.Hash())
}
return p2p.Send(p.rw, TxMsg, txs)
return p2p.Send(p.rw, TransactionMsg, txs)
}
func (p *peer) SendTransactionRLP(txs []rlp.RawValue) error {
return p2p.Send(p.rw, TxMsg, txs)
}
// AsyncSendTransactions queues list of transactions propagation to a remote
// peer. If the peer's broadcast queue is full, the event is silently dropped.
// AsyncSendTransactions queues a list of transactions (by hash) to eventually
// propagate to a remote peer. The number of pending sends are capped (new ones
// will force old sends to be dropped)
func (p *peer) AsyncSendTransactions(hashes []common.Hash) {
select {
case p.txPropagation <- hashes:
case p.txBroadcast <- hashes:
// Mark all the transactions as known, but ensure we don't overflow our limits
for p.knownTxs.Cardinality() > max(0, maxKnownTxs-len(hashes)) {
p.knownTxs.Pop()
@ -426,9 +373,27 @@ func (p *peer) AsyncSendTransactions(hashes []common.Hash) {
}
}
// AsyncSendTransactions queues list of transactions propagation to a remote
// peer. If the peer's broadcast queue is full, the event is silently dropped.
func (p *peer) AsyncSendTransactionHashes(hashes []common.Hash) {
// sendPooledTransactionHashes sends transaction hashes to the peer and includes
// them in its transaction hash set for future reference.
//
// This method is a helper used by the async transaction announcer. Don't call it
// directly as the queueing (memory) and transmission (bandwidth) costs should
// not be managed directly.
func (p *peer) sendPooledTransactionHashes(hashes []common.Hash) error {
// Mark all the transactions as known, but ensure we don't overflow our limits
for p.knownTxs.Cardinality() > max(0, maxKnownTxs-len(hashes)) {
p.knownTxs.Pop()
}
for _, hash := range hashes {
p.knownTxs.Add(hash)
}
return p2p.Send(p.rw, NewPooledTransactionHashesMsg, hashes)
}
// AsyncSendPooledTransactionHashes queues a list of transactions hashes to eventually
// announce to a remote peer. The number of pending sends are capped (new ones
// will force old sends to be dropped)
func (p *peer) AsyncSendPooledTransactionHashes(hashes []common.Hash) {
select {
case p.txAnnounce <- hashes:
// Mark all the transactions as known, but ensure we don't overflow our limits
@ -443,6 +408,22 @@ func (p *peer) AsyncSendTransactionHashes(hashes []common.Hash) {
}
}
// SendPooledTransactionsRLP sends requested transactions to the peer and adds the
// hashes in its transaction hash set for future reference.
//
// Note, the method assumes the hashes are correct and correspond to the list of
// transactions being sent.
func (p *peer) SendPooledTransactionsRLP(hashes []common.Hash, txs []rlp.RawValue) error {
// Mark all the transactions as known, but ensure we don't overflow our limits
for p.knownTxs.Cardinality() > max(0, maxKnownTxs-len(hashes)) {
p.knownTxs.Pop()
}
for _, hash := range hashes {
p.knownTxs.Add(hash)
}
return p2p.Send(p.rw, PooledTransactionsMsg, txs)
}
// SendNewBlockHashes announces the availability of a number of blocks through
// a hash notification.
func (p *peer) SendNewBlockHashes(hashes []common.Hash, numbers []uint64) error {
@ -577,16 +558,6 @@ func (p *peer) RequestTxs(hashes []common.Hash) error {
return p2p.Send(p.rw, GetPooledTransactionsMsg, hashes)
}
// AsyncRequestTxs queues a tx retrieval request to a remote peer. If
// the peer's retrieval queue is full, the event is silently dropped.
func (p *peer) AsyncRequestTxs(hashes []common.Hash) {
select {
case p.txRetrieval <- hashes:
case <-p.term:
p.Log().Debug("Dropping transaction retrieval request", "count", len(hashes))
}
}
// Handshake executes the eth protocol handshake, negotiating version number,
// network IDs, difficulties, head and genesis blocks.
func (p *peer) Handshake(network uint64, td *big.Int, head common.Hash, genesis common.Hash, forkID forkid.ID, forkFilter forkid.Filter) error {
@ -746,9 +717,10 @@ func (ps *peerSet) Register(p *peer) error {
return errAlreadyRegistered
}
ps.peers[p.id] = p
go p.broadcastBlocks()
go p.broadcastTxs()
go p.retrievalTxs()
go p.broadcastTransactions()
go p.announceTransactions()
return nil
}

7
eth/protocol.go
View File

@ -51,7 +51,7 @@ const protocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a prot
const (
StatusMsg = 0x00
NewBlockHashesMsg = 0x01
TxMsg = 0x02
TransactionMsg = 0x02
GetBlockHeadersMsg = 0x03
BlockHeadersMsg = 0x04
GetBlockBodiesMsg = 0x05
@ -64,10 +64,11 @@ const (
// New protocol message codes introduced in eth65
//
// Previously these message ids(0x08, 0x09) were used by some
// legacy and unsupported eth protocols, reown them here.
// Previously these message ids were used by some legacy and unsupported
// eth protocols, reown them here.
NewPooledTransactionHashesMsg = 0x08
GetPooledTransactionsMsg = 0x09
PooledTransactionsMsg = 0x0a
)
type errCode int

25
eth/protocol_test.go
View File

@ -62,7 +62,7 @@ func TestStatusMsgErrors63(t *testing.T) {
wantError error
}{
{
code: TxMsg, data: []interface{}{},
code: TransactionMsg, data: []interface{}{},
wantError: errResp(ErrNoStatusMsg, "first msg has code 2 (!= 0)"),
},
{
@ -114,7 +114,7 @@ func TestStatusMsgErrors64(t *testing.T) {
wantError error
}{
{
code: TxMsg, data: []interface{}{},
code: TransactionMsg, data: []interface{}{},
wantError: errResp(ErrNoStatusMsg, "first msg has code 2 (!= 0)"),
},
{
@ -258,7 +258,7 @@ func testRecvTransactions(t *testing.T, protocol int) {
defer p.close()
tx := newTestTransaction(testAccount, 0, 0)
if err := p2p.Send(p.app, TxMsg, []interface{}{tx}); err != nil {
if err := p2p.Send(p.app, TransactionMsg, []interface{}{tx}); err != nil {
t.Fatalf("send error: %v", err)
}
select {
@ -282,13 +282,16 @@ func testSendTransactions(t *testing.T, protocol int) {
pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, nil)
defer pm.Stop()
// Fill the pool with big transactions.
// Fill the pool with big transactions (use a subscription to wait until all
// the transactions are announced to avoid spurious events causing extra
// broadcasts).
const txsize = txsyncPackSize / 10
alltxs := make([]*types.Transaction, 100)
for nonce := range alltxs {
alltxs[nonce] = newTestTransaction(testAccount, uint64(nonce), txsize)
}
pm.txpool.AddRemotes(alltxs)
time.Sleep(100 * time.Millisecond) // Wait until new tx even gets out of the system (lame)
// Connect several peers. They should all receive the pending transactions.
var wg sync.WaitGroup
@ -300,8 +303,6 @@ func testSendTransactions(t *testing.T, protocol int) {
seen[tx.Hash()] = false
}
for n := 0; n < len(alltxs) && !t.Failed(); {
var txs []*types.Transaction
var hashes []common.Hash
var forAllHashes func(callback func(hash common.Hash))
switch protocol {
case 63:
@ -310,11 +311,15 @@ func testSendTransactions(t *testing.T, protocol int) {
msg, err := p.app.ReadMsg()
if err != nil {
t.Errorf("%v: read error: %v", p.Peer, err)
} else if msg.Code != TxMsg {
continue
} else if msg.Code != TransactionMsg {
t.Errorf("%v: got code %d, want TxMsg", p.Peer, msg.Code)
continue
}
var txs []*types.Transaction
if err := msg.Decode(&txs); err != nil {
t.Errorf("%v: %v", p.Peer, err)
continue
}
forAllHashes = func(callback func(hash common.Hash)) {
for _, tx := range txs {
@ -325,11 +330,15 @@ func testSendTransactions(t *testing.T, protocol int) {
msg, err := p.app.ReadMsg()
if err != nil {
t.Errorf("%v: read error: %v", p.Peer, err)
continue
} else if msg.Code != NewPooledTransactionHashesMsg {
t.Errorf("%v: got code %d, want TxMsg", p.Peer, msg.Code)
t.Errorf("%v: got code %d, want NewPooledTransactionHashesMsg", p.Peer, msg.Code)
continue
}
var hashes []common.Hash
if err := msg.Decode(&hashes); err != nil {
t.Errorf("%v: %v", p.Peer, err)
continue
}
forAllHashes = func(callback func(hash common.Hash)) {
for _, h := range hashes {

75
eth/sync.go
View File

@ -38,13 +38,18 @@ const (
)
type txsync struct {
p *peer
hashes []common.Hash
txs []*types.Transaction
p *peer
txs []*types.Transaction
}
// syncTransactions starts sending all currently pending transactions to the given peer.
func (pm *ProtocolManager) syncTransactions(p *peer) {
// Assemble the set of transaction to broadcast or announce to the remote
// peer. Fun fact, this is quite an expensive operation as it needs to sort
// the transactions if the sorting is not cached yet. However, with a random
// order, insertions could overflow the non-executable queues and get dropped.
//
// TODO(karalabe): Figure out if we could get away with random order somehow
var txs types.Transactions
pending, _ := pm.txpool.Pending()
for _, batch := range pending {
@ -53,17 +58,29 @@ func (pm *ProtocolManager) syncTransactions(p *peer) {
if len(txs) == 0 {
return
}
// The eth/65 protocol introduces proper transaction announcements, so instead
// of dripping transactions across multiple peers, just send the entire list as
// an announcement and let the remote side decide what they need (likely nothing).
if p.version >= eth65 {
hashes := make([]common.Hash, len(txs))
for i, tx := range txs {
hashes[i] = tx.Hash()
}
p.AsyncSendPooledTransactionHashes(hashes)
return
}
// Out of luck, peer is running legacy protocols, drop the txs over
select {
case pm.txsyncCh <- &txsync{p: p, txs: txs}:
case <-pm.quitSync:
}
}
// txsyncLoop takes care of the initial transaction sync for each new
// txsyncLoop64 takes care of the initial transaction sync for each new
// connection. When a new peer appears, we relay all currently pending
// transactions. In order to minimise egress bandwidth usage, we send
// the transactions in small packs to one peer at a time.
func (pm *ProtocolManager) txsyncLoop() {
func (pm *ProtocolManager) txsyncLoop64() {
var (
pending = make(map[enode.ID]*txsync)
sending = false // whether a send is active
@ -72,44 +89,26 @@ func (pm *ProtocolManager) txsyncLoop() {
)
// send starts a sending a pack of transactions from the sync.
send := func(s *txsync) {
if s.p.version >= eth65 {
panic("initial transaction syncer running on eth/65+")
}
// Fill pack with transactions up to the target size.
size := common.StorageSize(0)
pack.p = s.p
pack.hashes = pack.hashes[:0]
pack.txs = pack.txs[:0]
if s.p.version >= eth65 {
// Eth65 introduces transaction announcement https://github.com/ethereum/EIPs/pull/2464,
// only txhashes are transferred here.
for i := 0; i < len(s.txs) && size < txsyncPackSize; i++ {
pack.hashes = append(pack.hashes, s.txs[i].Hash())
size += common.HashLength
}
// Remove the transactions that will be sent.
s.txs = s.txs[:copy(s.txs, s.txs[len(pack.hashes):])]
if len(s.txs) == 0 {
delete(pending, s.p.ID())
}
// Send the pack in the background.
s.p.Log().Trace("Sending batch of transaction announcements", "count", len(pack.hashes), "bytes", size)
sending = true
go func() { done <- pack.p.SendNewTransactionHashes(pack.hashes) }()
} else {
// Legacy eth protocol doesn't have transaction announcement protocol
// message, transfer the whole pending transaction slice.
for i := 0; i < len(s.txs) && size < txsyncPackSize; i++ {
pack.txs = append(pack.txs, s.txs[i])
size += s.txs[i].Size()
}
// Remove the transactions that will be sent.
s.txs = s.txs[:copy(s.txs, s.txs[len(pack.txs):])]
if len(s.txs) == 0 {
delete(pending, s.p.ID())
}
// Send the pack in the background.
s.p.Log().Trace("Sending batch of transactions", "count", len(pack.txs), "bytes", size)
sending = true
go func() { done <- pack.p.SendNewTransactions(pack.txs) }()
for i := 0; i < len(s.txs) && size < txsyncPackSize; i++ {
pack.txs = append(pack.txs, s.txs[i])
size += s.txs[i].Size()
}
// Remove the transactions that will be sent.
s.txs = s.txs[:copy(s.txs, s.txs[len(pack.txs):])]
if len(s.txs) == 0 {
delete(pending, s.p.ID())
}
// Send the pack in the background.
s.p.Log().Trace("Sending batch of transactions", "count", len(pack.txs), "bytes", size)
sending = true
go func() { done <- pack.p.SendTransactions64(pack.txs) }()
}
// pick chooses the next pending sync.

8
fuzzbuzz.yaml
View File

@ -26,6 +26,14 @@ targets:
function: Fuzz
package: github.com/ethereum/go-ethereum/tests/fuzzers/trie
checkout: github.com/ethereum/go-ethereum/
- name: txfetcher
language: go
version: "1.13"
corpus: ./fuzzers/txfetcher/corpus
harness:
function: Fuzz
package: github.com/ethereum/go-ethereum/tests/fuzzers/txfetcher
checkout: github.com/ethereum/go-ethereum/
- name: whisperv6
language: go
version: "1.13"

1
tests/fuzzers/txfetcher/corpus/0151ee1d0db4c74d3bcdfa4f7396a4c8538748c9-2 Normal file
View File

@ -0,0 +1 @@
ｿｽ

BIN
tests/fuzzers/txfetcher/corpus/020dd7b492a6eb34ff0b7d8ee46189422c37e4a7-6 Normal file
View File

Binary file not shown.

12
tests/fuzzers/txfetcher/corpus/021d1144e359233c496e22c3250609b11b213e9f-4 Normal file
View File

@ -0,0 +1,12 @@
TESTING KEY-----
MIICXgIBAAKBgQDuLnQAI3mDgey3VBzWnB2L39JUU4txjeVE6myuDqkM/uGlfjb9
SjY1bIw4iAJm2gsvvZhIrCHS3l6afab4pZB
l2+XsDlrKBxKKtDrGxlG4LjncdabFn9gvLZad2bSysqz/qTAUStTtqJQIDAQAB
AoGAGRzwwir7XvBOAy5tuV6ef6anZzus1s1Y1Clb6HbnWWF/wbZGOpet
3m4vD6MXc7jpTLryzTQIvVdfQbRc6+MUVeLKZTXtdZrh+k7hx0nTP8Jcb
uqFk541awmMogY/EfbWd6IOkp+4xqjlFBEDytgbIECQQDvH/6nk+hgN4H
qzzVtxxr397vWrjrIgPbJpQvBsafG7b0dA4AFjwVbFLmQcj2PprIMmPcQrooz84SHEg1Ak/7KCxmD/sfgS5TeuNi8DoUBEmiSJwm7FX
ftxuvL7XvjwjN5B30pNEbc6Iuyt7y4MQJBAIt21su43sjXNueLKH8+ph2UfQuU9txblTu14q3N7gHRZB4ZMhFYyDy8CKrN2cPg/Fvyt0Xl/DoCzjA0CQQDU
y2pGsuSmgUtWj3NM9xuwYPm+Z/F84K6+ARYiZ6PYj013sovGKUFfYAqVXVlxtI痂Ⅴ
qUn3Xh9ps8ZfjLZO7BAkEAlT4R5Yl6cGhaJQYZHOde3JMhNRcVFMO8dDaFo
f9Oeos0UotgiDktdQHxdNEwLjQlJBz+OtwwA=---E RATTIEY-

15
tests/fuzzers/txfetcher/corpus/0d28327b1fb52c1ba02a6eb96675c31633921bb2-2 Normal file
View File

@ -0,0 +1,15 @@
¸&^£áo‡È—-----BEGIN RSA TESTING KEY-----
MIICXgIBAAKBgQDuLnQAI3mDgey3VBzWnB2L39JUU4txjeVE6myuDqkM/uGlfjb9
SjY1bIw4iA5sBBZzHi3z0h1YV8QPuxEbi4nW91IJm2gsvvZhIrCHS3l6afab4pZB
l2+XsDulrKBxKKtD1rGxlG4LjncdabFn9gvLZad2bSysqz/qTAUStTvqJQIDAQAB
AoGAGRzwwir7XvBOAy5tM/uV6e+Zf6anZzus1s1Y1ClbjbE6HXbnWWF/wbZGOpet
3Zm4vD6MXc7jpTLryzTQIvVdfQbRc6+MUVeLKwZatTXtdZrhu+Jk7hx0nTPy8Jcb
uJqFk541aEw+mMogY/xEcfbWd6IOkp+4xqjlFLBEDytgbIECQQDvH/E6nk+hgN4H
qzzVtxxr397vWrjrIgPbJpQvBsafG7b0dA4AFjwVbFLmQcj2PprIMmPcQrooz8vp
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¸^áo‡È—----BEGIN RA TTING KEY-----
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-----END RSA TESTING KEY-----Q_

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TESTING KEY-----
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