275 lines
8.1 KiB
Go
275 lines
8.1 KiB
Go
// Copyright 2021 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package ethtest
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import (
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"fmt"
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"time"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/eth/protocols/eth"
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"github.com/ethereum/go-ethereum/internal/utesting"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/stretchr/testify/assert"
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)
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func (c *Conn) statusExchange66(t *utesting.T, chain *Chain) Message {
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status := &Status{
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ProtocolVersion: uint32(66),
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NetworkID: chain.chainConfig.ChainID.Uint64(),
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TD: chain.TD(chain.Len()),
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Head: chain.blocks[chain.Len()-1].Hash(),
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Genesis: chain.blocks[0].Hash(),
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ForkID: chain.ForkID(),
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}
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return c.statusExchange(t, chain, status)
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}
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func (s *Suite) dial66(t *utesting.T) *Conn {
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conn, err := s.dial()
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if err != nil {
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t.Fatalf("could not dial: %v", err)
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}
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conn.caps = append(conn.caps, p2p.Cap{Name: "eth", Version: 66})
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conn.ourHighestProtoVersion = 66
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return conn
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}
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func (c *Conn) write66(req eth.Packet, code int) error {
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payload, err := rlp.EncodeToBytes(req)
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if err != nil {
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return err
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}
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_, err = c.Conn.Write(uint64(code), payload)
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return err
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}
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func (c *Conn) read66() (uint64, Message) {
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code, rawData, _, err := c.Conn.Read()
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if err != nil {
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return 0, errorf("could not read from connection: %v", err)
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}
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var msg Message
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switch int(code) {
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case (Hello{}).Code():
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msg = new(Hello)
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case (Ping{}).Code():
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msg = new(Ping)
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case (Pong{}).Code():
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msg = new(Pong)
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case (Disconnect{}).Code():
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msg = new(Disconnect)
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case (Status{}).Code():
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msg = new(Status)
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case (GetBlockHeaders{}).Code():
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ethMsg := new(eth.GetBlockHeadersPacket66)
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if err := rlp.DecodeBytes(rawData, ethMsg); err != nil {
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return 0, errorf("could not rlp decode message: %v", err)
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}
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return ethMsg.RequestId, GetBlockHeaders(*ethMsg.GetBlockHeadersPacket)
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case (BlockHeaders{}).Code():
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ethMsg := new(eth.BlockHeadersPacket66)
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if err := rlp.DecodeBytes(rawData, ethMsg); err != nil {
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return 0, errorf("could not rlp decode message: %v", err)
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}
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return ethMsg.RequestId, BlockHeaders(ethMsg.BlockHeadersPacket)
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case (GetBlockBodies{}).Code():
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ethMsg := new(eth.GetBlockBodiesPacket66)
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if err := rlp.DecodeBytes(rawData, ethMsg); err != nil {
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return 0, errorf("could not rlp decode message: %v", err)
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}
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return ethMsg.RequestId, GetBlockBodies(ethMsg.GetBlockBodiesPacket)
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case (BlockBodies{}).Code():
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ethMsg := new(eth.BlockBodiesPacket66)
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if err := rlp.DecodeBytes(rawData, ethMsg); err != nil {
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return 0, errorf("could not rlp decode message: %v", err)
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}
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return ethMsg.RequestId, BlockBodies(ethMsg.BlockBodiesPacket)
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case (NewBlock{}).Code():
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msg = new(NewBlock)
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case (NewBlockHashes{}).Code():
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msg = new(NewBlockHashes)
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case (Transactions{}).Code():
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msg = new(Transactions)
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case (NewPooledTransactionHashes{}).Code():
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msg = new(NewPooledTransactionHashes)
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default:
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msg = errorf("invalid message code: %d", code)
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}
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if msg != nil {
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if err := rlp.DecodeBytes(rawData, msg); err != nil {
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return 0, errorf("could not rlp decode message: %v", err)
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}
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return 0, msg
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}
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return 0, errorf("invalid message: %s", string(rawData))
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}
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// ReadAndServe serves GetBlockHeaders requests while waiting
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// on another message from the node.
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func (c *Conn) readAndServe66(chain *Chain, timeout time.Duration) (uint64, Message) {
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start := time.Now()
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for time.Since(start) < timeout {
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timeout := time.Now().Add(10 * time.Second)
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c.SetReadDeadline(timeout)
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reqID, msg := c.read66()
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switch msg := msg.(type) {
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case *Ping:
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c.Write(&Pong{})
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case *GetBlockHeaders:
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headers, err := chain.GetHeaders(*msg)
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if err != nil {
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return 0, errorf("could not get headers for inbound header request: %v", err)
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}
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resp := ð.BlockHeadersPacket66{
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RequestId: reqID,
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BlockHeadersPacket: eth.BlockHeadersPacket(headers),
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}
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if err := c.write66(resp, BlockHeaders{}.Code()); err != nil {
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return 0, errorf("could not write to connection: %v", err)
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}
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default:
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return reqID, msg
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}
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}
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return 0, errorf("no message received within %v", timeout)
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}
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func (s *Suite) setupConnection66(t *utesting.T) *Conn {
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// create conn
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sendConn := s.dial66(t)
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sendConn.handshake(t)
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sendConn.statusExchange66(t, s.chain)
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return sendConn
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}
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func (s *Suite) testAnnounce66(t *utesting.T, sendConn, receiveConn *Conn, blockAnnouncement *NewBlock) {
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// Announce the block.
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if err := sendConn.Write(blockAnnouncement); err != nil {
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t.Fatalf("could not write to connection: %v", err)
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}
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s.waitAnnounce66(t, receiveConn, blockAnnouncement)
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}
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func (s *Suite) waitAnnounce66(t *utesting.T, conn *Conn, blockAnnouncement *NewBlock) {
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timeout := 20 * time.Second
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_, msg := conn.readAndServe66(s.chain, timeout)
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switch msg := msg.(type) {
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case *NewBlock:
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t.Logf("received NewBlock message: %s", pretty.Sdump(msg.Block))
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assert.Equal(t,
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blockAnnouncement.Block.Header(), msg.Block.Header(),
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"wrong block header in announcement",
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)
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assert.Equal(t,
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blockAnnouncement.TD, msg.TD,
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"wrong TD in announcement",
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)
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case *NewBlockHashes:
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blockHashes := *msg
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t.Logf("received NewBlockHashes message: %s", pretty.Sdump(blockHashes))
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assert.Equal(t, blockAnnouncement.Block.Hash(), blockHashes[0].Hash,
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"wrong block hash in announcement",
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)
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default:
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t.Fatalf("unexpected: %s", pretty.Sdump(msg))
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}
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}
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// waitForBlock66 waits for confirmation from the client that it has
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// imported the given block.
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func (c *Conn) waitForBlock66(block *types.Block) error {
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defer c.SetReadDeadline(time.Time{})
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timeout := time.Now().Add(20 * time.Second)
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c.SetReadDeadline(timeout)
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for {
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req := eth.GetBlockHeadersPacket66{
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RequestId: 54,
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GetBlockHeadersPacket: ð.GetBlockHeadersPacket{
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Origin: eth.HashOrNumber{
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Hash: block.Hash(),
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},
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Amount: 1,
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},
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}
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if err := c.write66(req, GetBlockHeaders{}.Code()); err != nil {
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return err
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}
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reqID, msg := c.read66()
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// check message
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switch msg := msg.(type) {
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case BlockHeaders:
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// check request ID
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if reqID != req.RequestId {
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return fmt.Errorf("request ID mismatch: wanted %d, got %d", req.RequestId, reqID)
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}
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if len(msg) > 0 {
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return nil
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}
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time.Sleep(100 * time.Millisecond)
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default:
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return fmt.Errorf("invalid message: %s", pretty.Sdump(msg))
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}
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}
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}
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func sendSuccessfulTx66(t *utesting.T, s *Suite, tx *types.Transaction) {
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sendConn := s.setupConnection66(t)
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sendSuccessfulTxWithConn(t, s, tx, sendConn)
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}
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func sendFailingTx66(t *utesting.T, s *Suite, tx *types.Transaction) {
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sendConn, recvConn := s.setupConnection66(t), s.setupConnection66(t)
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sendFailingTxWithConns(t, s, tx, sendConn, recvConn)
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}
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func (s *Suite) getBlockHeaders66(t *utesting.T, conn *Conn, req eth.Packet, expectedID uint64) BlockHeaders {
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if err := conn.write66(req, GetBlockHeaders{}.Code()); err != nil {
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t.Fatalf("could not write to connection: %v", err)
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}
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// check block headers response
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reqID, msg := conn.readAndServe66(s.chain, timeout)
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switch msg := msg.(type) {
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case BlockHeaders:
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if reqID != expectedID {
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t.Fatalf("request ID mismatch: wanted %d, got %d", expectedID, reqID)
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}
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return msg
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default:
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t.Fatalf("unexpected: %s", pretty.Sdump(msg))
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return nil
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}
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}
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func headersMatch(t *utesting.T, chain *Chain, headers BlockHeaders) {
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for _, header := range headers {
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num := header.Number.Uint64()
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t.Logf("received header (%d): %s", num, pretty.Sdump(header.Hash()))
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assert.Equal(t, chain.blocks[int(num)].Header(), header)
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}
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}
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