roysc/plugeth
1
0
Fork 0
forked from cerc-io/plugeth
Code Pull Requests Activity

eth, eth/downloader: handle header requests, table driven proto tests

Browse Source
This commit is contained in:
Péter Szilágyi 2015-07-02 19:55:18 +03:00
parent c51e153b5c
commit 42f44dda54
14 changed files with 1213 additions and 258 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cmd/geth/main.go
View File

@ -283,6 +283,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
utils.DataDirFlag,
utils.BlockchainVersionFlag,
utils.OlympicFlag,
utils.EthVersionFlag,
utils.CacheFlag,
utils.JSpathFlag,
utils.ListenPortFlag,
@ -333,6 +334,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
app.Before = func(ctx *cli.Context) error {
utils.SetupLogger(ctx)
utils.SetupVM(ctx)
utils.SetupEth(ctx)
if ctx.GlobalBool(utils.PProfEanbledFlag.Name) {
utils.StartPProf(ctx)
}

17
cmd/utils/flags.go
View File

@ -138,6 +138,11 @@ var (
Name: "olympic",
Usage: "Use olympic style protocol",
}
EthVersionFlag = cli.IntFlag{
Name: "eth",
Value: 61,
Usage: "Highest eth protocol to advertise (temporary, dev option)",
}
// miner settings
MinerThreadsFlag = cli.IntFlag{
@ -459,6 +464,18 @@ func SetupVM(ctx *cli.Context) {
vm.SetJITCacheSize(ctx.GlobalInt(VMJitCacheFlag.Name))
}
// SetupEth configures the eth packages global settings
func SetupEth(ctx *cli.Context) {
version := ctx.GlobalInt(EthVersionFlag.Name)
for len(eth.ProtocolVersions) > 0 && eth.ProtocolVersions[0] > uint(version) {
eth.ProtocolVersions = eth.ProtocolVersions[1:]
eth.ProtocolLengths = eth.ProtocolLengths[1:]
}
if len(eth.ProtocolVersions) == 0 {
Fatalf("No valid eth protocols remaining")
}
}
// MakeChain creates a chain manager from set command line flags.
func MakeChain(ctx *cli.Context) (chain *core.ChainManager, chainDb common.Database) {
datadir := ctx.GlobalString(DataDirFlag.Name)

2
eth/backend.go
View File

@ -373,7 +373,7 @@ func New(config *Config) (*Ethereum, error) {
eth.blockProcessor = core.NewBlockProcessor(chainDb, eth.pow, eth.chainManager, eth.EventMux())
eth.chainManager.SetProcessor(eth.blockProcessor)
eth.protocolManager = NewProtocolManager(config.NetworkId, eth.eventMux, eth.txPool, eth.pow, eth.chainManager)
eth.protocolManager = NewProtocolManager(config.NetworkId, eth.eventMux, eth.txPool, eth.pow, eth.chainManager, chainDb)
eth.miner = miner.New(eth, eth.EventMux(), eth.pow)
eth.miner.SetGasPrice(config.GasPrice)

6
eth/downloader/downloader.go
View File

@ -39,13 +39,15 @@ import (
const (
eth60 = 60 // Constant to check for old protocol support
eth61 = 61 // Constant to check for new protocol support
eth62 = 62 // Constant to check for experimental protocol support
)
var (
MinHashFetch = 512 // Minimum amount of hashes to not consider a peer stalling
MaxHashFetch = 512 // Amount of hashes to be fetched per retrieval request
MaxBlockFetch = 128 // Amount of blocks to be fetched per retrieval request
MaxHeaderFetch = 256 // Amount of block headers to be fetched per retrieval request
MaxStateFetch = 384 // Amount of node state values to allow fetching per request
MaxReceiptsFetch = 384 // Amount of transaction receipts to allow fetching per request
hashTTL = 5 * time.Second // Time it takes for a hash request to time out
blockSoftTTL = 3 * time.Second // Request completion threshold for increasing or decreasing a peer's bandwidth
@ -330,7 +332,7 @@ func (d *Downloader) syncWithPeer(p *peer, hash common.Hash, td *big.Int) (err e
if err = d.fetchBlocks60(); err != nil {
return err
}
case eth61, eth62:
case eth61:
// New eth/61, use forward, concurrent hash and block retrieval algorithm
number, err := d.findAncestor(p)
if err != nil {

4
eth/fetcher/fetcher.go
View File

@ -70,6 +70,7 @@ type peerDropFn func(id string)
// network.
type announce struct {
hash common.Hash // Hash of the block being announced
number uint64 // Number of the block being announced (0 = unknown | old protocol)
time time.Time // Timestamp of the announcement
origin string // Identifier of the peer originating the notification
@ -152,9 +153,10 @@ func (f *Fetcher) Stop() {
// Notify announces the fetcher of the potential availability of a new block in
// the network.
func (f *Fetcher) Notify(peer string, hash common.Hash, time time.Time, fetcher blockRequesterFn) error {
func (f *Fetcher) Notify(peer string, hash common.Hash, number uint64, time time.Time, fetcher blockRequesterFn) error {
block := &announce{
hash: hash,
number: number,
time: time,
origin: peer,
fetch: fetcher,

26
eth/fetcher/fetcher_test.go
View File

@ -194,7 +194,7 @@ func TestSequentialAnnouncements(t *testing.T) {
tester.fetcher.importedHook = func(block *types.Block) { imported <- block }
for i := len(hashes) - 2; i >= 0; i-- {
tester.fetcher.Notify("valid", hashes[i], time.Now().Add(-arriveTimeout), fetcher)
tester.fetcher.Notify("valid", hashes[i], 0, time.Now().Add(-arriveTimeout), fetcher)
verifyImportEvent(t, imported)
}
verifyImportDone(t, imported)
@ -221,9 +221,9 @@ func TestConcurrentAnnouncements(t *testing.T) {
tester.fetcher.importedHook = func(block *types.Block) { imported <- block }
for i := len(hashes) - 2; i >= 0; i-- {
tester.fetcher.Notify("first", hashes[i], time.Now().Add(-arriveTimeout), wrapper)
tester.fetcher.Notify("second", hashes[i], time.Now().Add(-arriveTimeout+time.Millisecond), wrapper)
tester.fetcher.Notify("second", hashes[i], time.Now().Add(-arriveTimeout-time.Millisecond), wrapper)
tester.fetcher.Notify("first", hashes[i], 0, time.Now().Add(-arriveTimeout), wrapper)
tester.fetcher.Notify("second", hashes[i], 0, time.Now().Add(-arriveTimeout+time.Millisecond), wrapper)
tester.fetcher.Notify("second", hashes[i], 0, time.Now().Add(-arriveTimeout-time.Millisecond), wrapper)
verifyImportEvent(t, imported)
}
@ -252,7 +252,7 @@ func TestOverlappingAnnouncements(t *testing.T) {
tester.fetcher.importedHook = func(block *types.Block) { imported <- block }
for i := len(hashes) - 2; i >= 0; i-- {
tester.fetcher.Notify("valid", hashes[i], time.Now().Add(-arriveTimeout), fetcher)
tester.fetcher.Notify("valid", hashes[i], 0, time.Now().Add(-arriveTimeout), fetcher)
select {
case <-fetching:
case <-time.After(time.Second):
@ -286,7 +286,7 @@ func TestPendingDeduplication(t *testing.T) {
}
// Announce the same block many times until it's fetched (wait for any pending ops)
for tester.getBlock(hashes[0]) == nil {
tester.fetcher.Notify("repeater", hashes[0], time.Now().Add(-arriveTimeout), wrapper)
tester.fetcher.Notify("repeater", hashes[0], 0, time.Now().Add(-arriveTimeout), wrapper)
time.Sleep(time.Millisecond)
}
time.Sleep(delay)
@ -317,12 +317,12 @@ func TestRandomArrivalImport(t *testing.T) {
for i := len(hashes) - 1; i >= 0; i-- {
if i != skip {
tester.fetcher.Notify("valid", hashes[i], time.Now().Add(-arriveTimeout), fetcher)
tester.fetcher.Notify("valid", hashes[i], 0, time.Now().Add(-arriveTimeout), fetcher)
time.Sleep(time.Millisecond)
}
}
// Finally announce the skipped entry and check full import
tester.fetcher.Notify("valid", hashes[skip], time.Now().Add(-arriveTimeout), fetcher)
tester.fetcher.Notify("valid", hashes[skip], 0, time.Now().Add(-arriveTimeout), fetcher)
verifyImportCount(t, imported, len(hashes)-1)
}
@ -343,7 +343,7 @@ func TestQueueGapFill(t *testing.T) {
for i := len(hashes) - 1; i >= 0; i-- {
if i != skip {
tester.fetcher.Notify("valid", hashes[i], time.Now().Add(-arriveTimeout), fetcher)
tester.fetcher.Notify("valid", hashes[i], 0, time.Now().Add(-arriveTimeout), fetcher)
time.Sleep(time.Millisecond)
}
}
@ -374,7 +374,7 @@ func TestImportDeduplication(t *testing.T) {
tester.fetcher.importedHook = func(block *types.Block) { imported <- block }
// Announce the duplicating block, wait for retrieval, and also propagate directly
tester.fetcher.Notify("valid", hashes[0], time.Now().Add(-arriveTimeout), fetcher)
tester.fetcher.Notify("valid", hashes[0], 0, time.Now().Add(-arriveTimeout), fetcher)
<-fetching
tester.fetcher.Enqueue("valid", blocks[hashes[0]])
@ -437,9 +437,9 @@ func TestHashMemoryExhaustionAttack(t *testing.T) {
// Feed the tester a huge hashset from the attacker, and a limited from the valid peer
for i := 0; i < len(attack); i++ {
if i < maxQueueDist {
tester.fetcher.Notify("valid", hashes[len(hashes)-2-i], time.Now(), valid)
tester.fetcher.Notify("valid", hashes[len(hashes)-2-i], 0, time.Now(), valid)
}
tester.fetcher.Notify("attacker", attack[i], time.Now(), attacker)
tester.fetcher.Notify("attacker", attack[i], 0, time.Now(), attacker)
}
if len(tester.fetcher.announced) != hashLimit+maxQueueDist {
t.Fatalf("queued announce count mismatch: have %d, want %d", len(tester.fetcher.announced), hashLimit+maxQueueDist)
@ -449,7 +449,7 @@ func TestHashMemoryExhaustionAttack(t *testing.T) {
// Feed the remaining valid hashes to ensure DOS protection state remains clean
for i := len(hashes) - maxQueueDist - 2; i >= 0; i-- {
tester.fetcher.Notify("valid", hashes[i], time.Now().Add(-arriveTimeout), valid)
tester.fetcher.Notify("valid", hashes[i], 0, time.Now().Add(-arriveTimeout), valid)
verifyImportEvent(t, imported)
}
verifyImportDone(t, imported)

261
eth/handler.go
View File

@ -36,10 +36,8 @@ import (
"github.com/ethereum/go-ethereum/rlp"
)
// This is the target maximum size of returned blocks for the
// getBlocks message. The reply message may exceed it
// if a single block is larger than the limit.
const maxBlockRespSize = 2 * 1024 * 1024
// This is the target maximum size of returned blocks, headers or node data.
const softResponseLimit = 2 * 1024 * 1024
func errResp(code errCode, format string, v ...interface{}) error {
return fmt.Errorf("%v - %v", code, fmt.Sprintf(format, v...))
@ -59,9 +57,10 @@ func (ep extProt) GetHashes(hash common.Hash) error { return ep.getHashes(has
func (ep extProt) GetBlock(hashes []common.Hash) error { return ep.getBlocks(hashes) }
type ProtocolManager struct {
protVer, netId int
txpool txPool
chainman *core.ChainManager
chaindb common.Database
downloader *downloader.Downloader
fetcher *fetcher.Fetcher
peers *peerSet
@ -85,17 +84,17 @@ type ProtocolManager struct {
// NewProtocolManager returns a new ethereum sub protocol manager. The Ethereum sub protocol manages peers capable
// with the ethereum network.
func NewProtocolManager(networkId int, mux *event.TypeMux, txpool txPool, pow pow.PoW, chainman *core.ChainManager) *ProtocolManager {
func NewProtocolManager(networkId int, mux *event.TypeMux, txpool txPool, pow pow.PoW, chainman *core.ChainManager, chaindb common.Database) *ProtocolManager {
// Create the protocol manager with the base fields
manager := &ProtocolManager{
eventMux: mux,
txpool: txpool,
chainman: chainman,
chaindb: chaindb,
peers: newPeerSet(),
newPeerCh: make(chan *peer, 1),
txsyncCh: make(chan *txsync),
quitSync: make(chan struct{}),
netId: networkId,
}
// Initiate a sub-protocol for every implemented version we can handle
manager.SubProtocols = make([]p2p.Protocol, len(ProtocolVersions))
@ -190,6 +189,9 @@ func (pm *ProtocolManager) handle(p *peer) error {
glog.V(logger.Debug).Infof("%v: handshake failed: %v", p, err)
return err
}
if rw, ok := p.rw.(*meteredMsgReadWriter); ok {
rw.Init(p.version)
}
// Register the peer locally
glog.V(logger.Detail).Infof("%v: adding peer", p)
if err := pm.peers.Register(p); err != nil {
@ -230,12 +232,12 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
defer msg.Discard()
// Handle the message depending on its contents
switch msg.Code {
case StatusMsg:
switch {
case msg.Code == StatusMsg:
// Status messages should never arrive after the handshake
return errResp(ErrExtraStatusMsg, "uncontrolled status message")
case GetBlockHashesMsg:
case p.version < eth62 && msg.Code == GetBlockHashesMsg:
// Retrieve the number of hashes to return and from which origin hash
var request getBlockHashesData
if err := msg.Decode(&request); err != nil {
@ -251,7 +253,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
return p.SendBlockHashes(hashes)
case GetBlockHashesFromNumberMsg:
case p.version < eth62 && msg.Code == GetBlockHashesFromNumberMsg:
// Retrieve and decode the number of hashes to return and from which origin number
var request getBlockHashesFromNumberData
if err := msg.Decode(&request); err != nil {
@ -278,12 +280,10 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
return p.SendBlockHashes(hashes)
case BlockHashesMsg:
case p.version < eth62 && msg.Code == BlockHashesMsg:
// A batch of hashes arrived to one of our previous requests
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
var hashes []common.Hash
if err := msgStream.Decode(&hashes); err != nil {
if err := msg.Decode(&hashes); err != nil {
break
}
// Deliver them all to the downloader for queuing
@ -292,7 +292,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
glog.V(logger.Debug).Infoln(err)
}
case GetBlocksMsg:
case p.version < eth62 && msg.Code == GetBlocksMsg:
// Decode the retrieval message
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
if _, err := msgStream.List(); err != nil {
@ -302,44 +302,28 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
var (
hash common.Hash
bytes common.StorageSize
hashes []common.Hash
blocks []*types.Block
)
for {
for len(blocks) < downloader.MaxBlockFetch && bytes < softResponseLimit {
//Retrieve the hash of the next block
err := msgStream.Decode(&hash)
if err == rlp.EOL {
break
} else if err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
hashes = append(hashes, hash)
// Retrieve the requested block, stopping if enough was found
if block := pm.chainman.GetBlock(hash); block != nil {
blocks = append(blocks, block)
bytes += block.Size()
if len(blocks) >= downloader.MaxBlockFetch || bytes > maxBlockRespSize {
break
}
}
}
if glog.V(logger.Detail) && len(blocks) == 0 && len(hashes) > 0 {
list := "["
for _, hash := range hashes {
list += fmt.Sprintf("%x, ", hash[:4])
}
list = list[:len(list)-2] + "]"
glog.Infof("%v: no blocks found for requested hashes %s", p, list)
}
return p.SendBlocks(blocks)
case BlocksMsg:
case p.version < eth62 && msg.Code == BlocksMsg:
// Decode the arrived block message
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
var blocks []*types.Block
if err := msgStream.Decode(&blocks); err != nil {
if err := msg.Decode(&blocks); err != nil {
glog.V(logger.Detail).Infoln("Decode error", err)
blocks = nil
}
@ -352,31 +336,196 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
pm.downloader.DeliverBlocks(p.id, blocks)
}
case NewBlockHashesMsg:
// Retrieve and deseralize the remote new block hashes notification
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
var hashes []common.Hash
if err := msgStream.Decode(&hashes); err != nil {
// Block header query, collect the requested headers and reply
case p.version >= eth62 && msg.Code == GetBlockHeadersMsg:
// Decode the complex header query
var query getBlockHeadersData
if err := msg.Decode(&query); err != nil {
return errResp(ErrDecode, "%v: %v", msg, err)
}
// Gather blocks until the fetch or network limits is reached
var (
bytes common.StorageSize
headers []*types.Header
unknown bool
)
for !unknown && len(headers) < int(query.Amount) && bytes < softResponseLimit && len(headers) < downloader.MaxHeaderFetch {
// Retrieve the next block satisfying the query
var origin *types.Block
if query.Origin.Hash != (common.Hash{}) {
origin = pm.chainman.GetBlock(query.Origin.Hash)
} else {
origin = pm.chainman.GetBlockByNumber(query.Origin.Number)
}
if origin == nil {
break
}
// Mark the hashes as present at the remote node
for _, hash := range hashes {
p.MarkBlock(hash)
p.SetHead(hash)
}
// Schedule all the unknown hashes for retrieval
unknown := make([]common.Hash, 0, len(hashes))
for _, hash := range hashes {
if !pm.chainman.HasBlock(hash) {
unknown = append(unknown, hash)
headers = append(headers, origin.Header())
bytes += origin.Size()
// Advance to the next block of the query
switch {
case query.Origin.Hash != (common.Hash{}) && query.Reverse:
// Hash based traversal towards the genesis block
for i := 0; i < int(query.Skip)+1; i++ {
if block := pm.chainman.GetBlock(query.Origin.Hash); block != nil {
query.Origin.Hash = block.ParentHash()
} else {
unknown = true
break
}
}
for _, hash := range unknown {
pm.fetcher.Notify(p.id, hash, time.Now(), p.RequestBlocks)
case query.Origin.Hash != (common.Hash{}) && !query.Reverse:
// Hash based traversal towards the leaf block
if block := pm.chainman.GetBlockByNumber(origin.NumberU64() + query.Skip + 1); block != nil {
if pm.chainman.GetBlockHashesFromHash(block.Hash(), query.Skip+1)[query.Skip] == query.Origin.Hash {
query.Origin.Hash = block.Hash()
} else {
unknown = true
}
} else {
unknown = true
}
case query.Reverse:
// Number based traversal towards the genesis block
if query.Origin.Number >= query.Skip+1 {
query.Origin.Number -= (query.Skip + 1)
} else {
unknown = true
}
case NewBlockMsg:
case !query.Reverse:
// Number based traversal towards the leaf block
query.Origin.Number += (query.Skip + 1)
}
}
return p.SendBlockHeaders(headers)
case p.version >= eth62 && msg.Code == GetBlockBodiesMsg:
// Decode the retrieval message
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
if _, err := msgStream.List(); err != nil {
return err
}
// Gather blocks until the fetch or network limits is reached
var (
hash common.Hash
bytes common.StorageSize
bodies []*blockBody
)
for bytes < softResponseLimit && len(bodies) < downloader.MaxBlockFetch {
//Retrieve the hash of the next block
if err := msgStream.Decode(&hash); err == rlp.EOL {
break
} else if err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
// Retrieve the requested block, stopping if enough was found
if block := pm.chainman.GetBlock(hash); block != nil {
bodies = append(bodies, &blockBody{Transactions: block.Transactions(), Uncles: block.Uncles()})
bytes += block.Size()
}
}
return p.SendBlockBodies(bodies)
case p.version >= eth63 && msg.Code == GetNodeDataMsg:
// Decode the retrieval message
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
if _, err := msgStream.List(); err != nil {
return err
}
// Gather state data until the fetch or network limits is reached
var (
hash common.Hash
bytes int
data [][]byte
)
for bytes < softResponseLimit && len(data) < downloader.MaxStateFetch {
// Retrieve the hash of the next state entry
if err := msgStream.Decode(&hash); err == rlp.EOL {
break
} else if err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
// Retrieve the requested state entry, stopping if enough was found
if entry, err := pm.chaindb.Get(hash.Bytes()); err == nil {
data = append(data, entry)
bytes += len(entry)
}
}
return p.SendNodeData(data)
case p.version >= eth63 && msg.Code == GetReceiptsMsg:
// Decode the retrieval message
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
if _, err := msgStream.List(); err != nil {
return err
}
// Gather state data until the fetch or network limits is reached
var (
hash common.Hash
bytes int
receipts []*types.Receipt
)
for bytes < softResponseLimit && len(receipts) < downloader.MaxReceiptsFetch {
// Retrieve the hash of the next transaction receipt
if err := msgStream.Decode(&hash); err == rlp.EOL {
break
} else if err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
// Retrieve the requested receipt, stopping if enough was found
if receipt := core.GetReceipt(pm.chaindb, hash); receipt != nil {
receipts = append(receipts, receipt)
bytes += len(receipt.RlpEncode())
}
}
return p.SendReceipts(receipts)
case msg.Code == NewBlockHashesMsg:
// Retrieve and deseralize the remote new block hashes notification
type announce struct {
Hash common.Hash
Number uint64
}
var announces = []announce{}
if p.version < eth62 {
// We're running the old protocol, make block number unknown (0)
var hashes []common.Hash
if err := msg.Decode(&hashes); err != nil {
return errResp(ErrDecode, "%v: %v", msg, err)
}
for _, hash := range hashes {
announces = append(announces, announce{hash, 0})
}
} else {
// Otherwise extract both block hash and number
var request newBlockHashesData
if err := msg.Decode(&request); err != nil {
return errResp(ErrDecode, "%v: %v", msg, err)
}
for _, block := range request {
announces = append(announces, announce{block.Hash, block.Number})
}
}
// Mark the hashes as present at the remote node
for _, block := range announces {
p.MarkBlock(block.Hash)
p.SetHead(block.Hash)
}
// Schedule all the unknown hashes for retrieval
unknown := make([]announce, 0, len(announces))
for _, block := range announces {
if !pm.chainman.HasBlock(block.Hash) {
unknown = append(unknown, block)
}
}
for _, block := range unknown {
pm.fetcher.Notify(p.id, block.Hash, block.Number, time.Now(), p.RequestBlocks)
}
case msg.Code == NewBlockMsg:
// Retrieve and decode the propagated block
var request newBlockData
if err := msg.Decode(&request); err != nil {
@ -410,7 +559,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
}
case TxMsg:
case msg.Code == TxMsg:
// Transactions arrived, parse all of them and deliver to the pool
var txs []*types.Transaction
if err := msg.Decode(&txs); err != nil {

525
eth/handler_test.go Normal file
View File

@ -0,0 +1,525 @@
package eth
import (
"fmt"
"math/big"
"math/rand"
"testing"
"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/eth/downloader"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/params"
)
// Tests that hashes can be retrieved from a remote chain by hashes in reverse
// order.
func TestGetBlockHashes60(t *testing.T) { testGetBlockHashes(t, 60) }
func TestGetBlockHashes61(t *testing.T) { testGetBlockHashes(t, 61) }
func testGetBlockHashes(t *testing.T, protocol int) {
pm := newTestProtocolManager(downloader.MaxHashFetch+15, nil, nil)
peer, _ := newTestPeer("peer", protocol, pm, true)
defer peer.close()
// Create a batch of tests for various scenarios
limit := downloader.MaxHashFetch
tests := []struct {
origin common.Hash
number int
result int
}{
{common.Hash{}, 1, 0}, // Make sure non existent hashes don't return results
{pm.chainman.Genesis().Hash(), 1, 0}, // There are no hashes to retrieve up from the genesis
{pm.chainman.GetBlockByNumber(5).Hash(), 5, 5}, // All the hashes including the genesis requested
{pm.chainman.GetBlockByNumber(5).Hash(), 10, 5}, // More hashes than available till the genesis requested
{pm.chainman.GetBlockByNumber(100).Hash(), 10, 10}, // All hashes available from the middle of the chain
{pm.chainman.CurrentBlock().Hash(), 10, 10}, // All hashes available from the head of the chain
{pm.chainman.CurrentBlock().Hash(), limit, limit}, // Request the maximum allowed hash count
{pm.chainman.CurrentBlock().Hash(), limit + 1, limit}, // Request more than the maximum allowed hash count
}
// Run each of the tests and verify the results against the chain
for i, tt := range tests {
// Assemble the hash response we would like to receive
resp := make([]common.Hash, tt.result)
if len(resp) > 0 {
from := pm.chainman.GetBlock(tt.origin).NumberU64() - 1
for j := 0; j < len(resp); j++ {
resp[j] = pm.chainman.GetBlockByNumber(uint64(int(from) - j)).Hash()
}
}
// Send the hash request and verify the response
p2p.Send(peer.app, 0x03, getBlockHashesData{tt.origin, uint64(tt.number)})
if err := p2p.ExpectMsg(peer.app, 0x04, resp); err != nil {
t.Errorf("test %d: block hashes mismatch: %v", i, err)
}
}
}
// Tests that hashes can be retrieved from a remote chain by numbers in forward
// order.
func TestGetBlockHashesFromNumber60(t *testing.T) { testGetBlockHashesFromNumber(t, 60) }
func TestGetBlockHashesFromNumber61(t *testing.T) { testGetBlockHashesFromNumber(t, 61) }
func testGetBlockHashesFromNumber(t *testing.T, protocol int) {
pm := newTestProtocolManager(downloader.MaxHashFetch+15, nil, nil)
peer, _ := newTestPeer("peer", protocol, pm, true)
defer peer.close()
// Create a batch of tests for various scenarios
limit := downloader.MaxHashFetch
tests := []struct {
origin uint64
number int
result int
}{
{pm.chainman.CurrentBlock().NumberU64() + 1, 1, 0}, // Out of bounds requests should return empty
{pm.chainman.CurrentBlock().NumberU64(), 1, 1}, // Make sure the head hash can be retrieved
{pm.chainman.CurrentBlock().NumberU64() - 4, 5, 5}, // All hashes, including the head hash requested
{pm.chainman.CurrentBlock().NumberU64() - 4, 10, 5}, // More hashes requested than available till the head
{pm.chainman.CurrentBlock().NumberU64() - 100, 10, 10}, // All hashes available from the middle of the chain
{0, 10, 10}, // All hashes available from the root of the chain
{0, limit, limit}, // Request the maximum allowed hash count
{0, limit + 1, limit}, // Request more than the maximum allowed hash count
{0, 1, 1}, // Make sure the genesis hash can be retrieved
}
// Run each of the tests and verify the results against the chain
for i, tt := range tests {
// Assemble the hash response we would like to receive
resp := make([]common.Hash, tt.result)
for j := 0; j < len(resp); j++ {
resp[j] = pm.chainman.GetBlockByNumber(tt.origin + uint64(j)).Hash()
}
// Send the hash request and verify the response
p2p.Send(peer.app, 0x08, getBlockHashesFromNumberData{tt.origin, uint64(tt.number)})
if err := p2p.ExpectMsg(peer.app, 0x04, resp); err != nil {
t.Errorf("test %d: block hashes mismatch: %v", i, err)
}
}
}
// Tests that blocks can be retrieved from a remote chain based on their hashes.
func TestGetBlocks60(t *testing.T) { testGetBlocks(t, 60) }
func TestGetBlocks61(t *testing.T) { testGetBlocks(t, 61) }
func testGetBlocks(t *testing.T, protocol int) {
pm := newTestProtocolManager(downloader.MaxHashFetch+15, nil, nil)
peer, _ := newTestPeer("peer", protocol, pm, true)
defer peer.close()
// Create a batch of tests for various scenarios
limit := downloader.MaxBlockFetch
tests := []struct {
random int // Number of blocks to fetch randomly from the chain
explicit []common.Hash // Explicitly requested blocks
available []bool // Availability of explicitly requested blocks
expected int // Total number of existing blocks to expect
}{
{1, nil, nil, 1}, // A single random block should be retrievable
{10, nil, nil, 10}, // Multiple random blocks should be retrievable
{limit, nil, nil, limit}, // The maximum possible blocks should be retrievable
{limit + 1, nil, nil, limit}, // No more that the possible block count should be returned
{0, []common.Hash{pm.chainman.Genesis().Hash()}, []bool{true}, 1}, // The genesis block should be retrievable
{0, []common.Hash{pm.chainman.CurrentBlock().Hash()}, []bool{true}, 1}, // The chains head block should be retrievable
{0, []common.Hash{common.Hash{}}, []bool{false}, 0}, // A non existent block should not be returned
// Existing and non-existing blocks interleaved should not cause problems
{0, []common.Hash{
common.Hash{},
pm.chainman.GetBlockByNumber(1).Hash(),
common.Hash{},
pm.chainman.GetBlockByNumber(10).Hash(),
common.Hash{},
pm.chainman.GetBlockByNumber(100).Hash(),
common.Hash{},
}, []bool{false, true, false, true, false, true, false}, 3},
}
// Run each of the tests and verify the results against the chain
for i, tt := range tests {
// Collect the hashes to request, and the response to expect
hashes, seen := []common.Hash{}, make(map[int64]bool)
blocks := []*types.Block{}
for j := 0; j < tt.random; j++ {
for {
num := rand.Int63n(int64(pm.chainman.CurrentBlock().NumberU64()))
if !seen[num] {
seen[num] = true
block := pm.chainman.GetBlockByNumber(uint64(num))
hashes = append(hashes, block.Hash())
if len(blocks) < tt.expected {
blocks = append(blocks, block)
}
break
}
}
}
for j, hash := range tt.explicit {
hashes = append(hashes, hash)
if tt.available[j] && len(blocks) < tt.expected {
blocks = append(blocks, pm.chainman.GetBlock(hash))
}
}
// Send the hash request and verify the response
p2p.Send(peer.app, 0x05, hashes)
if err := p2p.ExpectMsg(peer.app, 0x06, blocks); err != nil {
t.Errorf("test %d: blocks mismatch: %v", i, err)
}
}
}
// Tests that block headers can be retrieved from a remote chain based on user queries.
func TestGetBlockHeaders62(t *testing.T) { testGetBlockHeaders(t, 62) }
func TestGetBlockHeaders63(t *testing.T) { testGetBlockHeaders(t, 63) }
func TestGetBlockHeaders64(t *testing.T) { testGetBlockHeaders(t, 64) }
func testGetBlockHeaders(t *testing.T, protocol int) {
pm := newTestProtocolManager(downloader.MaxHashFetch+15, nil, nil)
peer, _ := newTestPeer("peer", protocol, pm, true)
defer peer.close()
// Create a "random" unknown hash for testing
var unknown common.Hash
for i, _ := range unknown {
unknown[i] = byte(i)
}
// Create a batch of tests for various scenarios
limit := uint64(downloader.MaxHeaderFetch)
tests := []struct {
query *getBlockHeadersData // The query to execute for header retrieval
expect []common.Hash // The hashes of the block whose headers are expected
}{
// A single random block should be retrievable by hash and number too
{
&getBlockHeadersData{Origin: hashOrNumber{Hash: pm.chainman.GetBlockByNumber(limit / 2).Hash()}, Amount: 1},
[]common.Hash{pm.chainman.GetBlockByNumber(limit / 2).Hash()},
}, {
&getBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Amount: 1},
[]common.Hash{pm.chainman.GetBlockByNumber(limit / 2).Hash()},
},
// Multiple headers should be retrievable in both directions
{
&getBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Amount: 3},
[]common.Hash{
pm.chainman.GetBlockByNumber(limit / 2).Hash(),
pm.chainman.GetBlockByNumber(limit/2 + 1).Hash(),
pm.chainman.GetBlockByNumber(limit/2 + 2).Hash(),
},
}, {
&getBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Amount: 3, Reverse: true},
[]common.Hash{
pm.chainman.GetBlockByNumber(limit / 2).Hash(),
pm.chainman.GetBlockByNumber(limit/2 - 1).Hash(),
pm.chainman.GetBlockByNumber(limit/2 - 2).Hash(),
},
},
// Multiple headers with skip lists should be retrievable
{
&getBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Skip: 3, Amount: 3},
[]common.Hash{
pm.chainman.GetBlockByNumber(limit / 2).Hash(),
pm.chainman.GetBlockByNumber(limit/2 + 4).Hash(),
pm.chainman.GetBlockByNumber(limit/2 + 8).Hash(),
},
}, {
&getBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Skip: 3, Amount: 3, Reverse: true},
[]common.Hash{
pm.chainman.GetBlockByNumber(limit / 2).Hash(),
pm.chainman.GetBlockByNumber(limit/2 - 4).Hash(),
pm.chainman.GetBlockByNumber(limit/2 - 8).Hash(),
},
},
// The chain endpoints should be retrievable
{
&getBlockHeadersData{Origin: hashOrNumber{Number: 0}, Amount: 1},
[]common.Hash{pm.chainman.GetBlockByNumber(0).Hash()},
}, {
&getBlockHeadersData{Origin: hashOrNumber{Number: pm.chainman.CurrentBlock().NumberU64()}, Amount: 1},
[]common.Hash{pm.chainman.CurrentBlock().Hash()},
},
// Ensure protocol limits are honored
{
&getBlockHeadersData{Origin: hashOrNumber{Number: pm.chainman.CurrentBlock().NumberU64() - 1}, Amount: limit + 10, Reverse: true},
pm.chainman.GetBlockHashesFromHash(pm.chainman.CurrentBlock().Hash(), limit),
},
// Check that requesting more than available is handled gracefully
{
&getBlockHeadersData{Origin: hashOrNumber{Number: pm.chainman.CurrentBlock().NumberU64() - 4}, Skip: 3, Amount: 3},
[]common.Hash{
pm.chainman.GetBlockByNumber(pm.chainman.CurrentBlock().NumberU64() - 4).Hash(),
pm.chainman.GetBlockByNumber(pm.chainman.CurrentBlock().NumberU64()).Hash(),
},
}, {
&getBlockHeadersData{Origin: hashOrNumber{Number: 4}, Skip: 3, Amount: 3, Reverse: true},
[]common.Hash{
pm.chainman.GetBlockByNumber(4).Hash(),
pm.chainman.GetBlockByNumber(0).Hash(),
},
},
// Check that requesting more than available is handled gracefully, even if mid skip
{
&getBlockHeadersData{Origin: hashOrNumber{Number: pm.chainman.CurrentBlock().NumberU64() - 4}, Skip: 2, Amount: 3},
[]common.Hash{
pm.chainman.GetBlockByNumber(pm.chainman.CurrentBlock().NumberU64() - 4).Hash(),
pm.chainman.GetBlockByNumber(pm.chainman.CurrentBlock().NumberU64() - 1).Hash(),
},
}, {
&getBlockHeadersData{Origin: hashOrNumber{Number: 4}, Skip: 2, Amount: 3, Reverse: true},
[]common.Hash{
pm.chainman.GetBlockByNumber(4).Hash(),
pm.chainman.GetBlockByNumber(1).Hash(),
},
},
// Check that non existing headers aren't returned
{
&getBlockHeadersData{Origin: hashOrNumber{Hash: unknown}, Amount: 1},
[]common.Hash{},
}, {
&getBlockHeadersData{Origin: hashOrNumber{Number: pm.chainman.CurrentBlock().NumberU64() + 1}, Amount: 1},
[]common.Hash{},
},
}
// Run each of the tests and verify the results against the chain
for i, tt := range tests {
// Collect the headers to expect in the response
headers := []*types.Header{}
for _, hash := range tt.expect {
headers = append(headers, pm.chainman.GetBlock(hash).Header())
}
// Send the hash request and verify the response
p2p.Send(peer.app, 0x03, tt.query)
if err := p2p.ExpectMsg(peer.app, 0x04, headers); err != nil {
t.Errorf("test %d: headers mismatch: %v", i, err)
}
}
}
// Tests that block contents can be retrieved from a remote chain based on their hashes.
func TestGetBlockBodies62(t *testing.T) { testGetBlockBodies(t, 62) }
func TestGetBlockBodies63(t *testing.T) { testGetBlockBodies(t, 63) }
func TestGetBlockBodies64(t *testing.T) { testGetBlockBodies(t, 64) }
func testGetBlockBodies(t *testing.T, protocol int) {
pm := newTestProtocolManager(downloader.MaxBlockFetch+15, nil, nil)
peer, _ := newTestPeer("peer", protocol, pm, true)
defer peer.close()
// Create a batch of tests for various scenarios
limit := downloader.MaxBlockFetch
tests := []struct {
random int // Number of blocks to fetch randomly from the chain
explicit []common.Hash // Explicitly requested blocks
available []bool // Availability of explicitly requested blocks
expected int // Total number of existing blocks to expect
}{
{1, nil, nil, 1}, // A single random block should be retrievable
{10, nil, nil, 10}, // Multiple random blocks should be retrievable
{limit, nil, nil, limit}, // The maximum possible blocks should be retrievable
{limit + 1, nil, nil, limit}, // No more that the possible block count should be returned
{0, []common.Hash{pm.chainman.Genesis().Hash()}, []bool{true}, 1}, // The genesis block should be retrievable
{0, []common.Hash{pm.chainman.CurrentBlock().Hash()}, []bool{true}, 1}, // The chains head block should be retrievable
{0, []common.Hash{common.Hash{}}, []bool{false}, 0}, // A non existent block should not be returned
// Existing and non-existing blocks interleaved should not cause problems
{0, []common.Hash{
common.Hash{},
pm.chainman.GetBlockByNumber(1).Hash(),
common.Hash{},
pm.chainman.GetBlockByNumber(10).Hash(),
common.Hash{},
pm.chainman.GetBlockByNumber(100).Hash(),
common.Hash{},
}, []bool{false, true, false, true, false, true, false}, 3},
}
// Run each of the tests and verify the results against the chain
for i, tt := range tests {
// Collect the hashes to request, and the response to expect
hashes, seen := []common.Hash{}, make(map[int64]bool)
bodies := []*blockBody{}
for j := 0; j < tt.random; j++ {
for {
num := rand.Int63n(int64(pm.chainman.CurrentBlock().NumberU64()))
if !seen[num] {
seen[num] = true
block := pm.chainman.GetBlockByNumber(uint64(num))
hashes = append(hashes, block.Hash())
if len(bodies) < tt.expected {
bodies = append(bodies, &blockBody{Transactions: block.Transactions(), Uncles: block.Uncles()})
}
break
}
}
}
for j, hash := range tt.explicit {
hashes = append(hashes, hash)
if tt.available[j] && len(bodies) < tt.expected {
block := pm.chainman.GetBlock(hash)
bodies = append(bodies, &blockBody{Transactions: block.Transactions(), Uncles: block.Uncles()})
}
}
// Send the hash request and verify the response
p2p.Send(peer.app, 0x05, hashes)
if err := p2p.ExpectMsg(peer.app, 0x06, bodies); err != nil {
t.Errorf("test %d: bodies mismatch: %v", i, err)
}
}
}
// Tests that the node state database can be retrieved based on hashes.
func TestGetNodeData63(t *testing.T) { testGetNodeData(t, 63) }
func TestGetNodeData64(t *testing.T) { testGetNodeData(t, 64) }
func testGetNodeData(t *testing.T, protocol int) {
// Define three accounts to simulate transactions with
acc1Key, _ := crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
acc2Key, _ := crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
acc1Addr := crypto.PubkeyToAddress(acc1Key.PublicKey)
acc2Addr := crypto.PubkeyToAddress(acc2Key.PublicKey)
// Create a chain generator with some simple transactions (blatantly stolen from @fjl/chain_makerts_test)
generator := func(i int, block *core.BlockGen) {
switch i {
case 0:
// In block 1, the test bank sends account #1 some ether.
tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
block.AddTx(tx)
case 1:
// In block 2, the test bank sends some more ether to account #1.
// acc1Addr passes it on to account #2.
tx1, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
tx2, _ := types.NewTransaction(block.TxNonce(acc1Addr), acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(acc1Key)
block.AddTx(tx1)
block.AddTx(tx2)
case 2:
// Block 3 is empty but was mined by account #2.
block.SetCoinbase(acc2Addr)
block.SetExtra([]byte("yeehaw"))
case 3:
// Block 4 includes blocks 2 and 3 as uncle headers (with modified extra data).
b2 := block.PrevBlock(1).Header()
b2.Extra = []byte("foo")
block.AddUncle(b2)
b3 := block.PrevBlock(2).Header()
b3.Extra = []byte("foo")
block.AddUncle(b3)
}
}
// Assemble the test environment
pm := newTestProtocolManager(4, generator, nil)
peer, _ := newTestPeer("peer", protocol, pm, true)
defer peer.close()
// Fetch for now the entire chain db
hashes := []common.Hash{}
for _, key := range pm.chaindb.(*ethdb.MemDatabase).Keys() {
hashes = append(hashes, common.BytesToHash(key))
}
p2p.Send(peer.app, 0x0d, hashes)
msg, err := peer.app.ReadMsg()
if err != nil {
t.Fatalf("failed to read node data response: %v", err)
}
if msg.Code != 0x0e {
t.Fatalf("response packet code mismatch: have %x, want %x", msg.Code, 0x0c)
}
var data [][]byte
if err := msg.Decode(&data); err != nil {
t.Fatalf("failed to decode response node data: %v", err)
}
// Verify that all hashes correspond to the requested data, and reconstruct a state tree
for i, want := range hashes {
if hash := crypto.Sha3Hash(data[i]); hash != want {
fmt.Errorf("data hash mismatch: have %x, want %x", hash, want)
}
}
statedb, _ := ethdb.NewMemDatabase()
for i := 0; i < len(data); i++ {
statedb.Put(hashes[i].Bytes(), data[i])
}
accounts := []common.Address{testBankAddress, acc1Addr, acc2Addr}
for i := uint64(0); i <= pm.chainman.CurrentBlock().NumberU64(); i++ {
trie := state.New(pm.chainman.GetBlockByNumber(i).Root(), statedb)
for j, acc := range accounts {
bw := pm.chainman.State().GetBalance(acc)
bh := trie.GetBalance(acc)
if (bw != nil && bh == nil) || (bw == nil && bh != nil) {
t.Errorf("test %d, account %d: balance mismatch: have %v, want %v", i, j, bh, bw)
}
if bw != nil && bh != nil && bw.Cmp(bw) != 0 {
t.Errorf("test %d, account %d: balance mismatch: have %v, want %v", i, j, bh, bw)
}
}
}
}
// Tests that the transaction receipts can be retrieved based on hashes.
func TestGetReceipt63(t *testing.T) { testGetReceipt(t, 63) }
func TestGetReceipt64(t *testing.T) { testGetReceipt(t, 64) }
func testGetReceipt(t *testing.T, protocol int) {
// Define three accounts to simulate transactions with
acc1Key, _ := crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
acc2Key, _ := crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
acc1Addr := crypto.PubkeyToAddress(acc1Key.PublicKey)
acc2Addr := crypto.PubkeyToAddress(acc2Key.PublicKey)
// Create a chain generator with some simple transactions (blatantly stolen from @fjl/chain_makerts_test)
generator := func(i int, block *core.BlockGen) {
switch i {
case 0:
// In block 1, the test bank sends account #1 some ether.
tx, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil).SignECDSA(testBankKey)
block.AddTx(tx)
case 1:
// In block 2, the test bank sends some more ether to account #1.
// acc1Addr passes it on to account #2.
tx1, _ := types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testBankKey)
tx2, _ := types.NewTransaction(block.TxNonce(acc1Addr), acc2Addr, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(acc1Key)
block.AddTx(tx1)
block.AddTx(tx2)
case 2:
// Block 3 is empty but was mined by account #2.
block.SetCoinbase(acc2Addr)
block.SetExtra([]byte("yeehaw"))
case 3:
// Block 4 includes blocks 2 and 3 as uncle headers (with modified extra data).
b2 := block.PrevBlock(1).Header()
b2.Extra = []byte("foo")
block.AddUncle(b2)
b3 := block.PrevBlock(2).Header()
b3.Extra = []byte("foo")
block.AddUncle(b3)
}
}
// Assemble the test environment
pm := newTestProtocolManager(4, generator, nil)
peer, _ := newTestPeer("peer", protocol, pm, true)
defer peer.close()
// Collect the hashes to request, and the response to expect
hashes := []common.Hash{}
for i := uint64(0); i <= pm.chainman.CurrentBlock().NumberU64(); i++ {
for _, tx := range pm.chainman.GetBlockByNumber(i).Transactions() {
hashes = append(hashes, tx.Hash())
}
}
receipts := make([]*types.Receipt, len(hashes))
for i, hash := range hashes {
receipts[i] = core.GetReceipt(pm.chaindb, hash)
}
// Send the hash request and verify the response
p2p.Send(peer.app, 0x0f, hashes)
if err := p2p.ExpectMsg(peer.app, 0x10, receipts); err != nil {
t.Errorf("receipts mismatch: %v", err)
}
}

147
eth/helper_test.go Normal file
View File

@ -0,0 +1,147 @@
// This file contains some shares testing functionality, common to multiple
// different files and modules being tested.
package eth
import (
"crypto/rand"
"math/big"
"sync"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"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/p2p"
"github.com/ethereum/go-ethereum/p2p/discover"
)
var (
testBankKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
testBankAddress = crypto.PubkeyToAddress(testBankKey.PublicKey)
testBankFunds = big.NewInt(1000000)
)
// newTestProtocolManager creates a new protocol manager for testing purposes,
// with the given number of blocks already known, and potential notification
// channels for different events.
func newTestProtocolManager(blocks int, generator func(int, *core.BlockGen), newtx chan<- []*types.Transaction) *ProtocolManager {
var (
evmux = new(event.TypeMux)
pow = new(core.FakePow)
db, _ = ethdb.NewMemDatabase()
genesis = core.WriteGenesisBlockForTesting(db, testBankAddress, testBankFunds)
chainman, _ = core.NewChainManager(db, pow, evmux)
blockproc = core.NewBlockProcessor(db, pow, chainman, evmux)
)
chainman.SetProcessor(blockproc)
if _, err := chainman.InsertChain(core.GenerateChain(genesis, db, blocks, generator)); err != nil {
panic(err)
}
pm := NewProtocolManager(NetworkId, evmux, &testTxPool{added: newtx}, pow, chainman, db)
pm.Start()
return pm
}
// testTxPool is a fake, helper transaction pool for testing purposes
type testTxPool struct {
pool []*types.Transaction // Collection of all transactions
added chan<- []*types.Transaction // Notification channel for new transactions
lock sync.RWMutex // Protects the transaction pool
}
// AddTransactions appends a batch of transactions to the pool, and notifies any
// listeners if the addition channel is non nil
func (p *testTxPool) AddTransactions(txs []*types.Transaction) {
p.lock.Lock()
defer p.lock.Unlock()
p.pool = append(p.pool, txs...)
if p.added != nil {
p.added <- txs
}
}
// GetTransactions returns all the transactions known to the pool
func (p *testTxPool) GetTransactions() types.Transactions {
p.lock.RLock()
defer p.lock.RUnlock()
txs := make([]*types.Transaction, len(p.pool))
copy(txs, p.pool)
return txs
}
// newTestTransaction create a new dummy transaction.
func newTestTransaction(from *crypto.Key, nonce uint64, datasize int) *types.Transaction {
tx := types.NewTransaction(nonce, common.Address{}, big.NewInt(0), big.NewInt(100000), big.NewInt(0), make([]byte, datasize))
tx, _ = tx.SignECDSA(from.PrivateKey)
return tx
}
// testPeer is a simulated peer to allow testing direct network calls.
type testPeer struct {
net p2p.MsgReadWriter // Network layer reader/writer to simulate remote messaging
app *p2p.MsgPipeRW // Application layer reader/writer to simulate the local side
*peer
}
// newTestPeer creates a new peer registered at the given protocol manager.
func newTestPeer(name string, version int, pm *ProtocolManager, shake bool) (*testPeer, <-chan error) {
// Create a message pipe to communicate through
app, net := p2p.MsgPipe()
// Generate a random id and create the peer
var id discover.NodeID
rand.Read(id[:])
peer := pm.newPeer(version, NetworkId, p2p.NewPeer(id, name, nil), net)
// Start the peer on a new thread
errc := make(chan error, 1)
go func() {
pm.newPeerCh <- peer
errc <- pm.handle(peer)
}()
tp := &testPeer{
app: app,
net: net,
peer: peer,
}
// Execute any implicitly requested handshakes and return
if shake {
td, head, genesis := pm.chainman.Status()
tp.handshake(nil, td, head, genesis)
}
return tp, errc
}
// handshake simulates a trivial handshake that expects the same state from the
// remote side as we are simulating locally.
func (p *testPeer) handshake(t *testing.T, td *big.Int, head common.Hash, genesis common.Hash) {
msg := &statusData{
ProtocolVersion: uint32(p.version),
NetworkId: uint32(NetworkId),
TD: td,
CurrentBlock: head,
GenesisBlock: genesis,
}
if err := p2p.ExpectMsg(p.app, StatusMsg, msg); err != nil {
t.Fatalf("status recv: %v", err)
}
if err := p2p.Send(p.app, StatusMsg, msg); err != nil {
t.Fatalf("status send: %v", err)
}
}
// close terminates the local side of the peer, notifying the remote protocol
// manager of termination.
func (p *testPeer) close() {
p.app.Close()
}

67
eth/metrics.go
View File

@ -46,10 +46,18 @@ var (
reqHeaderInTrafficMeter = metrics.NewMeter("eth/req/header/in/traffic")
reqHeaderOutPacketsMeter = metrics.NewMeter("eth/req/header/out/packets")
reqHeaderOutTrafficMeter = metrics.NewMeter("eth/req/header/out/traffic")
reqBodyInPacketsMeter = metrics.NewMeter("eth/req/body/in/packets")
reqBodyInTrafficMeter = metrics.NewMeter("eth/req/body/in/traffic")
reqBodyOutPacketsMeter = metrics.NewMeter("eth/req/body/out/packets")
reqBodyOutTrafficMeter = metrics.NewMeter("eth/req/body/out/traffic")
reqStateInPacketsMeter = metrics.NewMeter("eth/req/state/in/packets")
reqStateInTrafficMeter = metrics.NewMeter("eth/req/state/in/traffic")
reqStateOutPacketsMeter = metrics.NewMeter("eth/req/state/out/packets")
reqStateOutTrafficMeter = metrics.NewMeter("eth/req/state/out/traffic")
reqReceiptInPacketsMeter = metrics.NewMeter("eth/req/receipt/in/packets")
reqReceiptInTrafficMeter = metrics.NewMeter("eth/req/receipt/in/traffic")
reqReceiptOutPacketsMeter = metrics.NewMeter("eth/req/receipt/out/packets")
reqReceiptOutTrafficMeter = metrics.NewMeter("eth/req/receipt/out/traffic")
miscInPacketsMeter = metrics.NewMeter("eth/misc/in/packets")
miscInTrafficMeter = metrics.NewMeter("eth/misc/in/traffic")
miscOutPacketsMeter = metrics.NewMeter("eth/misc/out/packets")
@ -59,7 +67,8 @@ var (
// 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
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
@ -68,7 +77,13 @@ func newMeteredMsgWriter(rw p2p.MsgReadWriter) p2p.MsgReadWriter {
if !metrics.Enabled {
return rw
}
return &meteredMsgReadWriter{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) {
@ -79,20 +94,27 @@ func (rw *meteredMsgReadWriter) ReadMsg() (p2p.Msg, error) {
}
// Account for the data traffic
packets, traffic := miscInPacketsMeter, miscInTrafficMeter
switch msg.Code {
case BlockHashesMsg:
switch {
case (rw.version == eth60 || rw.version == eth61) && msg.Code == BlockHashesMsg:
packets, traffic = reqHashInPacketsMeter, reqHashInTrafficMeter
case BlocksMsg:
case (rw.version == eth60 || rw.version == eth61) && msg.Code == BlocksMsg:
packets, traffic = reqBlockInPacketsMeter, reqBlockInTrafficMeter
case BlockHeadersMsg:
packets, traffic = reqHeaderInPacketsMeter, reqHeaderInTrafficMeter
case NodeDataMsg:
case rw.version == eth62 && msg.Code == BlockHeadersMsg:
packets, traffic = reqBlockInPacketsMeter, reqBlockInTrafficMeter
case rw.version == eth62 && msg.Code == BlockBodiesMsg:
packets, traffic = reqBodyInPacketsMeter, reqBodyInTrafficMeter
case rw.version == eth63 && msg.Code == NodeDataMsg:
packets, traffic = reqStateInPacketsMeter, reqStateInTrafficMeter
case NewBlockHashesMsg:
case rw.version == eth63 && msg.Code == ReceiptsMsg:
packets, traffic = reqReceiptInPacketsMeter, reqReceiptInTrafficMeter
case msg.Code == NewBlockHashesMsg:
packets, traffic = propHashInPacketsMeter, propHashInTrafficMeter
case NewBlockMsg:
case msg.Code == NewBlockMsg:
packets, traffic = propBlockInPacketsMeter, propBlockInTrafficMeter
case TxMsg:
case msg.Code == TxMsg:
packets, traffic = propTxnInPacketsMeter, propTxnInTrafficMeter
}
packets.Mark(1)
@ -104,20 +126,27 @@ func (rw *meteredMsgReadWriter) ReadMsg() (p2p.Msg, error) {
func (rw *meteredMsgReadWriter) WriteMsg(msg p2p.Msg) error {
// Account for the data traffic
packets, traffic := miscOutPacketsMeter, miscOutTrafficMeter
switch msg.Code {
case BlockHashesMsg:
switch {
case (rw.version == eth60 || rw.version == eth61) && msg.Code == BlockHashesMsg:
packets, traffic = reqHashOutPacketsMeter, reqHashOutTrafficMeter
case BlocksMsg:
case (rw.version == eth60 || rw.version == eth61) && msg.Code == BlocksMsg:
packets, traffic = reqBlockOutPacketsMeter, reqBlockOutTrafficMeter
case BlockHeadersMsg:
case rw.version == eth62 && msg.Code == BlockHeadersMsg:
packets, traffic = reqHeaderOutPacketsMeter, reqHeaderOutTrafficMeter
case NodeDataMsg:
case rw.version == eth62 && msg.Code == BlockBodiesMsg:
packets, traffic = reqBodyOutPacketsMeter, reqBodyOutTrafficMeter
case rw.version == eth63 && msg.Code == NodeDataMsg:
packets, traffic = reqStateOutPacketsMeter, reqStateOutTrafficMeter
case NewBlockHashesMsg:
case rw.version == eth63 && msg.Code == ReceiptsMsg:
packets, traffic = reqReceiptOutPacketsMeter, reqReceiptOutTrafficMeter
case msg.Code == NewBlockHashesMsg:
packets, traffic = propHashOutPacketsMeter, propHashOutTrafficMeter
case NewBlockMsg:
case msg.Code == NewBlockMsg:
packets, traffic = propBlockOutPacketsMeter, propBlockOutTrafficMeter
case TxMsg:
case msg.Code == TxMsg:
packets, traffic = propTxnOutPacketsMeter, propTxnOutTrafficMeter
}
packets.Mark(1)

17
eth/peer.go
View File

@ -165,12 +165,23 @@ func (p *peer) SendBlockHeaders(headers []*types.Header) error {
return p2p.Send(p.rw, BlockHeadersMsg, headers)
}
// SendBlockBodies sends a batch of block contents to the remote peer.
func (p *peer) SendBlockBodies(bodies []*blockBody) error {
return p2p.Send(p.rw, BlockBodiesMsg, blockBodiesData(bodies))
}
// SendNodeData 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)
}
// SendReceipts sends a batch of transaction receipts, corresponding to the ones
// requested.
func (p *peer) SendReceipts(receipts []*types.Receipt) error {
return p2p.Send(p.rw, ReceiptsMsg, receipts)
}
// RequestHashes fetches a batch of hashes from a peer, starting at from, going
// towards the genesis block.
func (p *peer) RequestHashes(from common.Hash) error {
@ -205,6 +216,12 @@ func (p *peer) RequestNodeData(hashes []common.Hash) error {
return p2p.Send(p.rw, GetNodeDataMsg, hashes)
}
// RequestReceipts fetches a batch of transaction receipts from a remote node.
func (p *peer) RequestReceipts(hashes []common.Hash) error {
glog.V(logger.Debug).Infof("%v fetching %v receipts\n", p, len(hashes))
return p2p.Send(p.rw, GetReceiptsMsg, hashes)
}
// Handshake executes the eth protocol handshake, negotiating version number,
// network IDs, difficulties, head and genesis blocks.
func (p *peer) Handshake(td *big.Int, head common.Hash, genesis common.Hash) error {

120
eth/protocol.go
View File

@ -17,17 +17,29 @@
package eth
import (
"fmt"
"io"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/rlp"
)
// Constants to match up protocol versions and messages
const (
eth60 = 60
eth61 = 61
eth62 = 62
eth63 = 63
eth64 = 64
)
// Supported versions of the eth protocol (first is primary).
var ProtocolVersions = []uint{62, 61, 60}
var ProtocolVersions = []uint{eth64, eth63, eth62, eth61, eth60}
// Number of implemented message corresponding to different protocol versions.
var ProtocolLengths = []uint64{13, 9, 8}
var ProtocolLengths = []uint64{15, 12, 8, 9, 8}
const (
NetworkId = 1
@ -37,23 +49,38 @@ const (
// eth protocol message codes
const (
// Protocol messages belonging to eth/60
StatusMsg = iota
NewBlockHashesMsg
TxMsg
GetBlockHashesMsg
BlockHashesMsg
GetBlocksMsg
BlocksMsg
NewBlockMsg
StatusMsg = 0x00
NewBlockHashesMsg = 0x01
TxMsg = 0x02
GetBlockHashesMsg = 0x03
BlockHashesMsg = 0x04
GetBlocksMsg = 0x05
BlocksMsg = 0x06
NewBlockMsg = 0x07
// Protocol messages belonging to eth/61
GetBlockHashesFromNumberMsg
// Protocol messages belonging to eth/61 (extension of eth/60)
GetBlockHashesFromNumberMsg = 0x08
// Protocol messages belonging to eth/62
GetBlockHeadersMsg
BlockHeadersMsg
GetNodeDataMsg
NodeDataMsg
// Protocol messages belonging to eth/62 (new protocol from scratch)
// StatusMsg = 0x00 (uncomment after eth/61 deprecation)
// NewBlockHashesMsg = 0x01 (uncomment after eth/61 deprecation)
// TxMsg = 0x02 (uncomment after eth/61 deprecation)
GetBlockHeadersMsg = 0x03
BlockHeadersMsg = 0x04
GetBlockBodiesMsg = 0x05
BlockBodiesMsg = 0x06
// NewBlockMsg = 0x07 (uncomment after eth/61 deprecation)
// Protocol messages belonging to eth/63
GetNodeDataMsg = 0x0d
NodeDataMsg = 0x0e
GetReceiptsMsg = 0x0f
ReceiptsMsg = 0x10
// Protocol messages belonging to eth/64
GetAcctProofMsg = 0x11
GetStorageDataProof = 0x12
Proof = 0x13
)
type errCode int
@ -111,6 +138,12 @@ type statusData struct {
GenesisBlock common.Hash
}
// newBlockHashesData is the network packet for the block announcements.
type newBlockHashesData []struct {
Hash common.Hash // Hash of one particular block being announced
Number uint64 // Number of one particular block being announced
}
// getBlockHashesData is the network packet for the hash based hash retrieval.
type getBlockHashesData struct {
Hash common.Hash
@ -124,12 +157,65 @@ type getBlockHashesFromNumberData struct {
Amount uint64
}
// getBlockHeadersData represents a block header query.
type getBlockHeadersData struct {
Origin hashOrNumber // Block from which to retrieve headers
Amount uint64 // Maximum number of headers to retrieve
Skip uint64 // Blocks to skip between consecutive headers
Reverse bool // Query direction (false = rising towards latest, true = falling towards genesis)
}
// hashOrNumber is a combined field for specifying an origin block.
type hashOrNumber struct {
Hash common.Hash // Block hash from which to retrieve headers (excludes Number)
Number uint64 // Block hash from which to retrieve headers (excludes Hash)
}
// EncodeRLP is a specialized encoder for hashOrNumber to encode only one of the
// two contained union fields.
func (hn *hashOrNumber) EncodeRLP(w io.Writer) error {
if hn.Hash == (common.Hash{}) {
return rlp.Encode(w, hn.Number)
}
if hn.Number != 0 {
return fmt.Errorf("both origin hash (%x) and number (%d) provided", hn.Hash, hn.Number)
}
return rlp.Encode(w, hn.Hash)
}
// DecodeRLP is a specialized decoder for hashOrNumber to decode the contents
// into either a block hash or a block number.
func (hn *hashOrNumber) DecodeRLP(s *rlp.Stream) error {
_, size, _ := s.Kind()
origin, err := s.Raw()
if err == nil {
switch {
case size == 32:
err = rlp.DecodeBytes(origin, &hn.Hash)
case size <= 8:
err = rlp.DecodeBytes(origin, &hn.Number)
default:
err = fmt.Errorf("invalid input size %d for origin", size)
}
}
return err
}
// newBlockData is the network packet for the block propagation message.
type newBlockData struct {
Block *types.Block
TD *big.Int
}
// blockBody represents the data content of a single block.
type blockBody struct {
Transactions []*types.Transaction // Transactions contained within a block
Uncles []*types.Header // Uncles contained within a block
}
// blockBodiesData is the network packet for block content distribution.
type blockBodiesData []*blockBody
// nodeDataData is the network response packet for a node data retrieval.
type nodeDataData []struct {
Value []byte

183
eth/protocol_test.go
View File

@ -18,19 +18,16 @@ package eth
import (
"crypto/rand"
"math/big"
"fmt"
"sync"
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"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/p2p"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/rlp"
)
func init() {
@ -40,8 +37,15 @@ func init() {
var testAccount = crypto.NewKey(rand.Reader)
func TestStatusMsgErrors(t *testing.T) {
pm := newProtocolManagerForTesting(nil)
// Tests that handshake failures are detected and reported correctly.
func TestStatusMsgErrors60(t *testing.T) { testStatusMsgErrors(t, 60) }
func TestStatusMsgErrors61(t *testing.T) { testStatusMsgErrors(t, 61) }
func TestStatusMsgErrors62(t *testing.T) { testStatusMsgErrors(t, 62) }
func TestStatusMsgErrors63(t *testing.T) { testStatusMsgErrors(t, 63) }
func TestStatusMsgErrors64(t *testing.T) { testStatusMsgErrors(t, 64) }
func testStatusMsgErrors(t *testing.T, protocol int) {
pm := newTestProtocolManager(0, nil, nil)
td, currentBlock, genesis := pm.chainman.Status()
defer pm.Stop()
@ -56,23 +60,23 @@ func TestStatusMsgErrors(t *testing.T) {
},
{
code: StatusMsg, data: statusData{10, NetworkId, td, currentBlock, genesis},
wantError: errResp(ErrProtocolVersionMismatch, "10 (!= 0)"),
wantError: errResp(ErrProtocolVersionMismatch, "10 (!= %d)", protocol),
},
{
code: StatusMsg, data: statusData{uint32(ProtocolVersions[0]), 999, td, currentBlock, genesis},
code: StatusMsg, data: statusData{uint32(protocol), 999, td, currentBlock, genesis},
wantError: errResp(ErrNetworkIdMismatch, "999 (!= 1)"),
},
{
code: StatusMsg, data: statusData{uint32(ProtocolVersions[0]), NetworkId, td, currentBlock, common.Hash{3}},
code: StatusMsg, data: statusData{uint32(protocol), NetworkId, td, currentBlock, common.Hash{3}},
wantError: errResp(ErrGenesisBlockMismatch, "0300000000000000000000000000000000000000000000000000000000000000 (!= %x)", genesis),
},
}
for i, test := range tests {
p, errc := newTestPeer(pm)
p, errc := newTestPeer("peer", protocol, pm, false)
// The send call might hang until reset because
// the protocol might not read the payload.
go p2p.Send(p, test.code, test.data)
go p2p.Send(p.app, test.code, test.data)
select {
case err := <-errc:
@ -89,16 +93,21 @@ func TestStatusMsgErrors(t *testing.T) {
}
// This test checks that received transactions are added to the local pool.
func TestRecvTransactions(t *testing.T) {
func TestRecvTransactions60(t *testing.T) { testRecvTransactions(t, 60) }
func TestRecvTransactions61(t *testing.T) { testRecvTransactions(t, 61) }
func TestRecvTransactions62(t *testing.T) { testRecvTransactions(t, 62) }
func TestRecvTransactions63(t *testing.T) { testRecvTransactions(t, 63) }
func TestRecvTransactions64(t *testing.T) { testRecvTransactions(t, 64) }
func testRecvTransactions(t *testing.T, protocol int) {
txAdded := make(chan []*types.Transaction)
pm := newProtocolManagerForTesting(txAdded)
p, _ := newTestPeer(pm)
pm := newTestProtocolManager(0, nil, txAdded)
p, _ := newTestPeer("peer", protocol, pm, true)
defer pm.Stop()
defer p.close()
p.handshake(t)
tx := newtx(testAccount, 0, 0)
if err := p2p.Send(p, TxMsg, []interface{}{tx}); err != nil {
tx := newTestTransaction(testAccount, 0, 0)
if err := p2p.Send(p.app, TxMsg, []interface{}{tx}); err != nil {
t.Fatalf("send error: %v", err)
}
select {
@ -114,15 +123,21 @@ func TestRecvTransactions(t *testing.T) {
}
// This test checks that pending transactions are sent.
func TestSendTransactions(t *testing.T) {
pm := newProtocolManagerForTesting(nil)
func TestSendTransactions60(t *testing.T) { testSendTransactions(t, 60) }
func TestSendTransactions61(t *testing.T) { testSendTransactions(t, 61) }
func TestSendTransactions62(t *testing.T) { testSendTransactions(t, 62) }
func TestSendTransactions63(t *testing.T) { testSendTransactions(t, 63) }
func TestSendTransactions64(t *testing.T) { testSendTransactions(t, 64) }
func testSendTransactions(t *testing.T, protocol int) {
pm := newTestProtocolManager(0, nil, nil)
defer pm.Stop()
// Fill the pool with big transactions.
const txsize = txsyncPackSize / 10
alltxs := make([]*types.Transaction, 100)
for nonce := range alltxs {
alltxs[nonce] = newtx(testAccount, uint64(nonce), txsize)
alltxs[nonce] = newTestTransaction(testAccount, uint64(nonce), txsize)
}
pm.txpool.AddTransactions(alltxs)
@ -137,7 +152,7 @@ func TestSendTransactions(t *testing.T) {
}
for n := 0; n < len(alltxs) && !t.Failed(); {
var txs []*types.Transaction
msg, err := p.ReadMsg()
msg, err := p.app.ReadMsg()
if err != nil {
t.Errorf("%v: read error: %v", p.Peer, err)
} else if msg.Code != TxMsg {
@ -161,97 +176,53 @@ func TestSendTransactions(t *testing.T) {
}
}
for i := 0; i < 3; i++ {
p, _ := newTestPeer(pm)
p.handshake(t)
p, _ := newTestPeer(fmt.Sprintf("peer #%d", i), protocol, pm, true)
wg.Add(1)
go checktxs(p)
}
wg.Wait()
}
// testPeer wraps all peer-related data for tests.
type testPeer struct {
p2p.MsgReadWriter // writing to the test peer feeds the protocol
pipe *p2p.MsgPipeRW // the protocol read/writes on this end
pm *ProtocolManager
*peer
}
func newProtocolManagerForTesting(txAdded chan<- []*types.Transaction) *ProtocolManager {
db, _ := ethdb.NewMemDatabase()
core.WriteTestNetGenesisBlock(db, 0)
var (
em = new(event.TypeMux)
chain, _ = core.NewChainManager(db, core.FakePow{}, em)
txpool = &fakeTxPool{added: txAdded}
pm = NewProtocolManager(NetworkId, em, txpool, core.FakePow{}, chain)
)
pm.Start()
return pm
}
func newTestPeer(pm *ProtocolManager) (*testPeer, <-chan error) {
var id discover.NodeID
rand.Read(id[:])
rw1, rw2 := p2p.MsgPipe()
peer := pm.newPeer(pm.protVer, pm.netId, p2p.NewPeer(id, "test peer", nil), rw2)
errc := make(chan error, 1)
go func() {
pm.newPeerCh <- peer
errc <- pm.handle(peer)
}()
return &testPeer{rw1, rw2, pm, peer}, errc
}
func (p *testPeer) handshake(t *testing.T) {
td, currentBlock, genesis := p.pm.chainman.Status()
msg := &statusData{
ProtocolVersion: uint32(p.pm.protVer),
NetworkId: uint32(p.pm.netId),
TD: td,
CurrentBlock: currentBlock,
GenesisBlock: genesis,
// Tests that the custom union field encoder and decoder works correctly.
func TestGetBlockHeadersDataEncodeDecode(t *testing.T) {
// Create a "random" hash for testing
var hash common.Hash
for i, _ := range hash {
hash[i] = byte(i)
}
// Assemble some table driven tests
tests := []struct {
packet *getBlockHeadersData
fail bool
}{
// Providing the origin as either a hash or a number should both work
{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Number: 314}}},
{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Hash: hash}}},
// Providing arbitrary query field should also work
{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Number: 314}, Amount: 314, Skip: 1, Reverse: true}},
{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Hash: hash}, Amount: 314, Skip: 1, Reverse: true}},
// Providing both the origin hash and origin number must fail
{fail: true, packet: &getBlockHeadersData{Origin: hashOrNumber{Hash: hash, Number: 314}}},
}
// Iterate over each of the tests and try to encode and then decode
for i, tt := range tests {
bytes, err := rlp.EncodeToBytes(tt.packet)
if err != nil && !tt.fail {
t.Fatalf("test %d: failed to encode packet: %v", i, err)
} else if err == nil && tt.fail {
t.Fatalf("test %d: encode should have failed", i)
}
if !tt.fail {
packet := new(getBlockHeadersData)
if err := rlp.DecodeBytes(bytes, packet); err != nil {
t.Fatalf("test %d: failed to decode packet: %v", i, err)
}
if packet.Origin.Hash != tt.packet.Origin.Hash || packet.Origin.Number != tt.packet.Origin.Number || packet.Amount != tt.packet.Amount ||
packet.Skip != tt.packet.Skip || packet.Reverse != tt.packet.Reverse {
t.Fatalf("test %d: encode decode mismatch: have %+v, want %+v", i, packet, tt.packet)
}
if err := p2p.ExpectMsg(p, StatusMsg, msg); err != nil {
t.Fatalf("status recv: %v", err)
}
if err := p2p.Send(p, StatusMsg, msg); err != nil {
t.Fatalf("status send: %v", err)
}
}
func (p *testPeer) close() {
p.pipe.Close()
}
type fakeTxPool struct {
// all transactions are collected.
mu sync.Mutex
all []*types.Transaction
// if added is non-nil, it receives added transactions.
added chan<- []*types.Transaction
}
func (pool *fakeTxPool) AddTransactions(txs []*types.Transaction) {
pool.mu.Lock()
defer pool.mu.Unlock()
pool.all = append(pool.all, txs...)
if pool.added != nil {
pool.added <- txs
}
}
func (pool *fakeTxPool) GetTransactions() types.Transactions {
pool.mu.Lock()
defer pool.mu.Unlock()
txs := make([]*types.Transaction, len(pool.all))
copy(txs, pool.all)
return types.Transactions(txs)
}
func newtx(from *crypto.Key, nonce uint64, datasize int) *types.Transaction {
data := make([]byte, datasize)
tx := types.NewTransaction(nonce, common.Address{}, big.NewInt(0), big.NewInt(100000), big.NewInt(0), data)
tx, _ = tx.SignECDSA(from.PrivateKey)
return tx
}

8
ethdb/memory_database.go
View File

@ -49,6 +49,14 @@ func (db *MemDatabase) Get(key []byte) ([]byte, error) {
return db.db[string(key)], nil
}
func (db *MemDatabase) Keys() [][]byte {
keys := [][]byte{}
for key, _ := range db.db {
keys = append(keys, []byte(key))
}
return keys
}
/*
func (db *MemDatabase) GetKeys() []*common.Key {
data, _ := db.Get([]byte("KeyRing"))