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eth: eth/64 - extend handshake packet with fork id

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This commit is contained in:
Péter Szilágyi 2019-09-30 21:28:50 +03:00
parent e306304414
commit 64571f9379
No known key found for this signature in database
GPG Key ID: E9AE538CEDF8293D
7 changed files with 305 additions and 59 deletions
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5
core/forkid/forkid.go
View File

@ -50,6 +50,9 @@ type ID struct {
Next uint64 // Block number of the next upcoming fork, or 0 if no forks are known
}
// Filter is a fork id filter to validate a remotely advertised ID.
type Filter func(id ID) error
// NewID calculates the Ethereum fork ID from the chain config and head.
func NewID(chain *core.BlockChain) ID {
return newID(
@ -82,7 +85,7 @@ func newID(config *params.ChainConfig, genesis common.Hash, head uint64) ID {
// NewFilter creates a filter that returns if a fork ID should be rejected or not
// based on the local chain's status.
func NewFilter(chain *core.BlockChain) func(id ID) error {
func NewFilter(chain *core.BlockChain) Filter {
return newFilter(
chain.Config(),
chain.Genesis().Hash(),

7
eth/handler.go
View File

@ -29,6 +29,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/forkid"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/fetcher"
@ -63,7 +64,8 @@ func errResp(code errCode, format string, v ...interface{}) error {
}
type ProtocolManager struct {
networkID uint64
networkID uint64
forkFilter forkid.Filter // Fork ID filter, constant across the lifetime of the node
fastSync uint32 // Flag whether fast sync is enabled (gets disabled if we already have blocks)
acceptTxs uint32 // Flag whether we're considered synchronised (enables transaction processing)
@ -103,6 +105,7 @@ func NewProtocolManager(config *params.ChainConfig, checkpoint *params.TrustedCh
// Create the protocol manager with the base fields
manager := &ProtocolManager{
networkID: networkID,
forkFilter: forkid.NewFilter(blockchain),
eventMux: mux,
txpool: txpool,
blockchain: blockchain,
@ -304,7 +307,7 @@ func (pm *ProtocolManager) handle(p *peer) error {
number = head.Number.Uint64()
td = pm.blockchain.GetTd(hash, number)
)
if err := p.Handshake(pm.networkID, td, hash, genesis.Hash()); err != nil {
if err := p.Handshake(pm.networkID, td, hash, genesis.Hash(), forkid.NewID(pm.blockchain), pm.forkFilter); err != nil {
p.Log().Debug("Ethereum handshake failed", "err", err)
return err
}

6
eth/handler_test.go
View File

@ -39,8 +39,8 @@ import (
)
// 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, _ := newTestProtocolManagerMust(t, downloader.FullSync, downloader.MaxHashFetch+15, nil, nil)
@ -198,8 +198,8 @@ func testGetBlockHeaders(t *testing.T, protocol int) {
}
// 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, _ := newTestProtocolManagerMust(t, downloader.FullSync, downloader.MaxBlockFetch+15, nil, nil)
@ -271,6 +271,7 @@ func testGetBlockBodies(t *testing.T, protocol int) {
// 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
@ -367,6 +368,7 @@ func testGetNodeData(t *testing.T, protocol int) {
// 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

33
eth/helper_test.go
View File

@ -22,6 +22,7 @@ package eth
import (
"crypto/ecdsa"
"crypto/rand"
"fmt"
"math/big"
"sort"
"sync"
@ -30,6 +31,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/forkid"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
@ -171,20 +173,35 @@ func newTestPeer(name string, version int, pm *ProtocolManager, shake bool) (*te
head = pm.blockchain.CurrentHeader()
td = pm.blockchain.GetTd(head.Hash(), head.Number.Uint64())
)
tp.handshake(nil, td, head.Hash(), genesis.Hash())
tp.handshake(nil, td, head.Hash(), genesis.Hash(), forkid.NewID(pm.blockchain), forkid.NewFilter(pm.blockchain))
}
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: DefaultConfig.NetworkId,
TD: td,
CurrentBlock: head,
GenesisBlock: genesis,
func (p *testPeer) handshake(t *testing.T, td *big.Int, head common.Hash, genesis common.Hash, forkID forkid.ID, forkFilter forkid.Filter) {
var msg interface{}
switch {
case p.version == eth63:
msg = &statusData63{
ProtocolVersion: uint32(p.version),
NetworkId: DefaultConfig.NetworkId,
TD: td,
CurrentBlock: head,
GenesisBlock: genesis,
}
case p.version == eth64:
msg = &statusData{
ProtocolVersion: uint32(p.version),
NetworkID: DefaultConfig.NetworkId,
TD: td,
Head: head,
Genesis: genesis,
ForkID: forkID,
}
default:
panic(fmt.Sprintf("unsupported eth protocol version: %d", p.version))
}
if err := p2p.ExpectMsg(p.app, StatusMsg, msg); err != nil {
t.Fatalf("status recv: %v", err)

90
eth/peer.go
View File

@ -25,6 +25,7 @@ import (
mapset "github.com/deckarep/golang-set"
"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/p2p"
"github.com/ethereum/go-ethereum/rlp"
@ -353,22 +354,46 @@ func (p *peer) RequestReceipts(hashes []common.Hash) error {
// 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) error {
func (p *peer) Handshake(network uint64, td *big.Int, head common.Hash, genesis common.Hash, forkID forkid.ID, forkFilter forkid.Filter) error {
// Send out own handshake in a new thread
errc := make(chan error, 2)
var status statusData // safe to read after two values have been received from errc
var (
status63 statusData63 // safe to read after two values have been received from errc
status statusData // safe to read after two values have been received from errc
)
go func() {
errc <- p2p.Send(p.rw, StatusMsg, &statusData{
ProtocolVersion: uint32(p.version),
NetworkId: network,
TD: td,
CurrentBlock: head,
GenesisBlock: genesis,
})
switch {
case p.version == eth63:
errc <- p2p.Send(p.rw, StatusMsg, &statusData63{
ProtocolVersion: uint32(p.version),
NetworkId: network,
TD: td,
CurrentBlock: head,
GenesisBlock: genesis,
})
case p.version == eth64:
errc <- p2p.Send(p.rw, StatusMsg, &statusData{
ProtocolVersion: uint32(p.version),
NetworkID: network,
TD: td,
Head: head,
Genesis: genesis,
ForkID: forkID,
})
default:
panic(fmt.Sprintf("unsupported eth protocol version: %d", p.version))
}
}()
go func() {
errc <- p.readStatus(network, &status, genesis)
switch {
case p.version == eth63:
errc <- p.readStatusLegacy(network, &status63, genesis)
case p.version == eth64:
errc <- p.readStatus(network, &status, genesis, forkFilter)
default:
panic(fmt.Sprintf("unsupported eth protocol version: %d", p.version))
}
}()
timeout := time.NewTimer(handshakeTimeout)
defer timeout.Stop()
@ -382,11 +407,18 @@ func (p *peer) Handshake(network uint64, td *big.Int, head common.Hash, genesis
return p2p.DiscReadTimeout
}
}
p.td, p.head = status.TD, status.CurrentBlock
switch {
case p.version == eth63:
p.td, p.head = status63.TD, status63.CurrentBlock
case p.version == eth64:
p.td, p.head = status.TD, status.Head
default:
panic(fmt.Sprintf("unsupported eth protocol version: %d", p.version))
}
return nil
}
func (p *peer) readStatus(network uint64, status *statusData, genesis common.Hash) (err error) {
func (p *peer) readStatusLegacy(network uint64, status *statusData63, genesis common.Hash) error {
msg, err := p.rw.ReadMsg()
if err != nil {
return err
@ -402,10 +434,10 @@ func (p *peer) readStatus(network uint64, status *statusData, genesis common.Has
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
if status.GenesisBlock != genesis {
return errResp(ErrGenesisBlockMismatch, "%x (!= %x)", status.GenesisBlock[:8], genesis[:8])
return errResp(ErrGenesisMismatch, "%x (!= %x)", status.GenesisBlock[:8], genesis[:8])
}
if status.NetworkId != network {
return errResp(ErrNetworkIdMismatch, "%d (!= %d)", status.NetworkId, network)
return errResp(ErrNetworkIDMismatch, "%d (!= %d)", status.NetworkId, network)
}
if int(status.ProtocolVersion) != p.version {
return errResp(ErrProtocolVersionMismatch, "%d (!= %d)", status.ProtocolVersion, p.version)
@ -413,6 +445,36 @@ func (p *peer) readStatus(network uint64, status *statusData, genesis common.Has
return nil
}
func (p *peer) readStatus(network uint64, status *statusData, genesis common.Hash, forkFilter forkid.Filter) error {
msg, err := p.rw.ReadMsg()
if err != nil {
return err
}
if msg.Code != StatusMsg {
return errResp(ErrNoStatusMsg, "first msg has code %x (!= %x)", msg.Code, StatusMsg)
}
if msg.Size > protocolMaxMsgSize {
return errResp(ErrMsgTooLarge, "%v > %v", msg.Size, protocolMaxMsgSize)
}
// Decode the handshake and make sure everything matches
if err := msg.Decode(&status); err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
if status.NetworkID != network {
return errResp(ErrNetworkIDMismatch, "%d (!= %d)", status.NetworkID, network)
}
if int(status.ProtocolVersion) != p.version {
return errResp(ErrProtocolVersionMismatch, "%d (!= %d)", status.ProtocolVersion, p.version)
}
if status.Genesis != genesis {
return errResp(ErrGenesisMismatch, "%x (!= %x)", status.Genesis, genesis)
}
if err := forkFilter(status.ForkID); err != nil {
return errResp(ErrForkIDRejected, "%v", err)
}
return nil
}
// String implements fmt.Stringer.
func (p *peer) String() string {
return fmt.Sprintf("Peer %s [%s]", p.id,

44
eth/protocol.go
View File

@ -23,6 +23,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/forkid"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/rlp"
@ -30,24 +31,23 @@ import (
// Constants to match up protocol versions and messages
const (
eth62 = 62
eth63 = 63
eth64 = 64
)
// protocolName is the official short name of the protocol used during capability negotiation.
const protocolName = "eth"
// ProtocolVersions are the supported versions of the eth protocol (first is primary).
var ProtocolVersions = []uint{eth63}
var ProtocolVersions = []uint{eth64, eth63}
// protocolLengths are the number of implemented message corresponding to different protocol versions.
var protocolLengths = map[uint]uint64{eth63: 17, eth62: 8}
var protocolLengths = map[uint]uint64{eth64: 17, eth63: 17}
const protocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
// eth protocol message codes
const (
// Protocol messages belonging to eth/62
StatusMsg = 0x00
NewBlockHashesMsg = 0x01
TxMsg = 0x02
@ -56,12 +56,10 @@ const (
GetBlockBodiesMsg = 0x05
BlockBodiesMsg = 0x06
NewBlockMsg = 0x07
// Protocol messages belonging to eth/63
GetNodeDataMsg = 0x0d
NodeDataMsg = 0x0e
GetReceiptsMsg = 0x0f
ReceiptsMsg = 0x10
GetNodeDataMsg = 0x0d
NodeDataMsg = 0x0e
GetReceiptsMsg = 0x0f
ReceiptsMsg = 0x10
)
type errCode int
@ -71,11 +69,11 @@ const (
ErrDecode
ErrInvalidMsgCode
ErrProtocolVersionMismatch
ErrNetworkIdMismatch
ErrGenesisBlockMismatch
ErrNetworkIDMismatch
ErrGenesisMismatch
ErrForkIDRejected
ErrNoStatusMsg
ErrExtraStatusMsg
ErrSuspendedPeer
)
func (e errCode) String() string {
@ -88,11 +86,11 @@ var errorToString = map[int]string{
ErrDecode: "Invalid message",
ErrInvalidMsgCode: "Invalid message code",
ErrProtocolVersionMismatch: "Protocol version mismatch",
ErrNetworkIdMismatch: "NetworkId mismatch",
ErrGenesisBlockMismatch: "Genesis block mismatch",
ErrNetworkIDMismatch: "Network ID mismatch",
ErrGenesisMismatch: "Genesis mismatch",
ErrForkIDRejected: "Fork ID rejected",
ErrNoStatusMsg: "No status message",
ErrExtraStatusMsg: "Extra status message",
ErrSuspendedPeer: "Suspended peer",
}
type txPool interface {
@ -108,8 +106,8 @@ type txPool interface {
SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
}
// statusData is the network packet for the status message.
type statusData struct {
// statusData63 is the network packet for the status message for eth/63.
type statusData63 struct {
ProtocolVersion uint32
NetworkId uint64
TD *big.Int
@ -117,6 +115,16 @@ type statusData struct {
GenesisBlock common.Hash
}
// statusData is the network packet for the status message for eth/64 and later.
type statusData struct {
ProtocolVersion uint32
NetworkID uint64
TD *big.Int
Head common.Hash
Genesis common.Hash
ForkID forkid.ID
}
// newBlockHashesData is the network packet for the block announcements.
type newBlockHashesData []struct {
Hash common.Hash // Hash of one particular block being announced

179
eth/protocol_test.go
View File

@ -18,15 +18,24 @@ package eth
import (
"fmt"
"math/big"
"sync"
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/forkid"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
@ -37,10 +46,7 @@ func init() {
var testAccount, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
// Tests that handshake failures are detected and reported correctly.
func TestStatusMsgErrors62(t *testing.T) { testStatusMsgErrors(t, 62) }
func TestStatusMsgErrors63(t *testing.T) { testStatusMsgErrors(t, 63) }
func testStatusMsgErrors(t *testing.T, protocol int) {
func TestStatusMsgErrors63(t *testing.T) {
pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, nil)
var (
genesis = pm.blockchain.Genesis()
@ -59,21 +65,20 @@ func testStatusMsgErrors(t *testing.T, protocol int) {
wantError: errResp(ErrNoStatusMsg, "first msg has code 2 (!= 0)"),
},
{
code: StatusMsg, data: statusData{10, DefaultConfig.NetworkId, td, head.Hash(), genesis.Hash()},
wantError: errResp(ErrProtocolVersionMismatch, "10 (!= %d)", protocol),
code: StatusMsg, data: statusData63{10, DefaultConfig.NetworkId, td, head.Hash(), genesis.Hash()},
wantError: errResp(ErrProtocolVersionMismatch, "10 (!= %d)", 63),
},
{
code: StatusMsg, data: statusData{uint32(protocol), 999, td, head.Hash(), genesis.Hash()},
wantError: errResp(ErrNetworkIdMismatch, "999 (!= %d)", DefaultConfig.NetworkId),
code: StatusMsg, data: statusData63{63, 999, td, head.Hash(), genesis.Hash()},
wantError: errResp(ErrNetworkIDMismatch, "999 (!= %d)", DefaultConfig.NetworkId),
},
{
code: StatusMsg, data: statusData{uint32(protocol), DefaultConfig.NetworkId, td, head.Hash(), common.Hash{3}},
wantError: errResp(ErrGenesisBlockMismatch, "0300000000000000 (!= %x)", genesis.Hash().Bytes()[:8]),
code: StatusMsg, data: statusData63{63, DefaultConfig.NetworkId, td, head.Hash(), common.Hash{3}},
wantError: errResp(ErrGenesisMismatch, "0300000000000000 (!= %x)", genesis.Hash().Bytes()[:8]),
},
}
for i, test := range tests {
p, errc := newTestPeer("peer", protocol, pm, false)
p, errc := newTestPeer("peer", 63, pm, false)
// The send call might hang until reset because
// the protocol might not read the payload.
go p2p.Send(p.app, test.code, test.data)
@ -92,9 +97,155 @@ func testStatusMsgErrors(t *testing.T, protocol int) {
}
}
func TestStatusMsgErrors64(t *testing.T) {
pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, nil)
var (
genesis = pm.blockchain.Genesis()
head = pm.blockchain.CurrentHeader()
td = pm.blockchain.GetTd(head.Hash(), head.Number.Uint64())
forkID = forkid.NewID(pm.blockchain)
)
defer pm.Stop()
tests := []struct {
code uint64
data interface{}
wantError error
}{
{
code: TxMsg, data: []interface{}{},
wantError: errResp(ErrNoStatusMsg, "first msg has code 2 (!= 0)"),
},
{
code: StatusMsg, data: statusData{10, DefaultConfig.NetworkId, td, head.Hash(), genesis.Hash(), forkID},
wantError: errResp(ErrProtocolVersionMismatch, "10 (!= %d)", 64),
},
{
code: StatusMsg, data: statusData{64, 999, td, head.Hash(), genesis.Hash(), forkID},
wantError: errResp(ErrNetworkIDMismatch, "999 (!= %d)", DefaultConfig.NetworkId),
},
{
code: StatusMsg, data: statusData{64, DefaultConfig.NetworkId, td, head.Hash(), common.Hash{3}, forkID},
wantError: errResp(ErrGenesisMismatch, "0300000000000000000000000000000000000000000000000000000000000000 (!= %x)", genesis.Hash()),
},
{
code: StatusMsg, data: statusData{64, DefaultConfig.NetworkId, td, head.Hash(), genesis.Hash(), forkid.ID{Hash: [4]byte{0x00, 0x01, 0x02, 0x03}}},
wantError: errResp(ErrForkIDRejected, forkid.ErrLocalIncompatibleOrStale.Error()),
},
}
for i, test := range tests {
p, errc := newTestPeer("peer", 64, pm, false)
// The send call might hang until reset because
// the protocol might not read the payload.
go p2p.Send(p.app, test.code, test.data)
select {
case err := <-errc:
if err == nil {
t.Errorf("test %d: protocol returned nil error, want %q", i, test.wantError)
} else if err.Error() != test.wantError.Error() {
t.Errorf("test %d: wrong error: got %q, want %q", i, err, test.wantError)
}
case <-time.After(2 * time.Second):
t.Errorf("protocol did not shut down within 2 seconds")
}
p.close()
}
}
func TestForkIDSplit(t *testing.T) {
var (
engine = ethash.NewFaker()
configNoFork = &params.ChainConfig{HomesteadBlock: big.NewInt(1)}
configProFork = &params.ChainConfig{
HomesteadBlock: big.NewInt(1),
EIP150Block: big.NewInt(2),
EIP155Block: big.NewInt(2),
EIP158Block: big.NewInt(2),
ByzantiumBlock: big.NewInt(3),
}
dbNoFork = rawdb.NewMemoryDatabase()
dbProFork = rawdb.NewMemoryDatabase()
gspecNoFork = &core.Genesis{Config: configNoFork}
gspecProFork = &core.Genesis{Config: configProFork}
genesisNoFork = gspecNoFork.MustCommit(dbNoFork)
genesisProFork = gspecProFork.MustCommit(dbProFork)
chainNoFork, _ = core.NewBlockChain(dbNoFork, nil, configNoFork, engine, vm.Config{}, nil)
chainProFork, _ = core.NewBlockChain(dbProFork, nil, configProFork, engine, vm.Config{}, nil)
blocksNoFork, _ = core.GenerateChain(configNoFork, genesisNoFork, engine, dbNoFork, 2, nil)
blocksProFork, _ = core.GenerateChain(configProFork, genesisProFork, engine, dbProFork, 2, nil)
ethNoFork, _ = NewProtocolManager(configNoFork, nil, downloader.FullSync, 1, new(event.TypeMux), new(testTxPool), engine, chainNoFork, dbNoFork, 1, nil)
ethProFork, _ = NewProtocolManager(configProFork, nil, downloader.FullSync, 1, new(event.TypeMux), new(testTxPool), engine, chainProFork, dbProFork, 1, nil)
)
ethNoFork.Start(1000)
ethProFork.Start(1000)
// Both nodes should allow the other to connect (same genesis, next fork is the same)
p2pNoFork, p2pProFork := p2p.MsgPipe()
peerNoFork := newPeer(64, p2p.NewPeer(enode.ID{1}, "", nil), p2pNoFork)
peerProFork := newPeer(64, p2p.NewPeer(enode.ID{2}, "", nil), p2pProFork)
errc := make(chan error, 2)
go func() { errc <- ethNoFork.handle(peerProFork) }()
go func() { errc <- ethProFork.handle(peerNoFork) }()
select {
case err := <-errc:
t.Fatalf("frontier nofork <-> profork failed: %v", err)
case <-time.After(250 * time.Millisecond):
p2pNoFork.Close()
p2pProFork.Close()
}
// Progress into Homestead. Fork's match, so we don't care what the future holds
chainNoFork.InsertChain(blocksNoFork[:1])
chainProFork.InsertChain(blocksProFork[:1])
p2pNoFork, p2pProFork = p2p.MsgPipe()
peerNoFork = newPeer(64, p2p.NewPeer(enode.ID{1}, "", nil), p2pNoFork)
peerProFork = newPeer(64, p2p.NewPeer(enode.ID{2}, "", nil), p2pProFork)
errc = make(chan error, 2)
go func() { errc <- ethNoFork.handle(peerProFork) }()
go func() { errc <- ethProFork.handle(peerNoFork) }()
select {
case err := <-errc:
t.Fatalf("homestead nofork <-> profork failed: %v", err)
case <-time.After(250 * time.Millisecond):
p2pNoFork.Close()
p2pProFork.Close()
}
// Progress into Spurious. Forks mismatch, signalling differing chains, reject
chainNoFork.InsertChain(blocksNoFork[1:2])
chainProFork.InsertChain(blocksProFork[1:2])
p2pNoFork, p2pProFork = p2p.MsgPipe()
peerNoFork = newPeer(64, p2p.NewPeer(enode.ID{1}, "", nil), p2pNoFork)
peerProFork = newPeer(64, p2p.NewPeer(enode.ID{2}, "", nil), p2pProFork)
errc = make(chan error, 2)
go func() { errc <- ethNoFork.handle(peerProFork) }()
go func() { errc <- ethProFork.handle(peerNoFork) }()
select {
case err := <-errc:
if want := errResp(ErrForkIDRejected, forkid.ErrLocalIncompatibleOrStale.Error()); err.Error() != want.Error() {
t.Fatalf("fork ID rejection error mismatch: have %v, want %v", err, want)
}
case <-time.After(250 * time.Millisecond):
t.Fatalf("split peers not rejected")
}
}
// This test checks that received transactions are added to the local pool.
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)
@ -121,8 +272,8 @@ func testRecvTransactions(t *testing.T, protocol int) {
}
// This test checks that pending transactions are sent.
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, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, nil)