forked from mirror/go-ethereum
cmd/devp2p: refactor eth test suite (#22843)
This PR refactors the eth test suite to make it more readable and easier to use. Some notable differences: - A new file helpers.go stores all of the methods used between both eth66 and eth65 and below tests, as well as methods shared among many test functions. - suite.go now contains all of the test functions for both eth65 tests and eth66 tests. - The utesting.T object doesn't get passed through to other helper methods, but is instead only used within the scope of the test function, whereas helper methods return errors, so only the test function itself can fatal out in the case of an error. - The full test suite now only takes 13.5 seconds to run.revert-23120-drop-eth-65
rene
4 years ago
committed by
GitHub
parent
6c7d6cf886
commit
49bde05a55
@ -1,521 +0,0 @@ |
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// 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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"time" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/core/types" |
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"github.com/ethereum/go-ethereum/crypto" |
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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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) |
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// Is_66 checks if the node supports the eth66 protocol version,
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// and if not, exists the test suite
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func (s *Suite) Is_66(t *utesting.T) { |
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conn := s.dial66(t) |
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conn.handshake(t) |
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if conn.negotiatedProtoVersion < 66 { |
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t.Fail() |
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} |
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} |
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// TestStatus_66 attempts to connect to the given node and exchange
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// a status message with it on the eth66 protocol, and then check to
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// make sure the chain head is correct.
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func (s *Suite) TestStatus_66(t *utesting.T) { |
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conn := s.dial66(t) |
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defer conn.Close() |
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// get protoHandshake
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conn.handshake(t) |
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// get status
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switch msg := conn.statusExchange66(t, s.chain).(type) { |
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case *Status: |
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status := *msg |
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if status.ProtocolVersion != uint32(66) { |
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t.Fatalf("mismatch in version: wanted 66, got %d", status.ProtocolVersion) |
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} |
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t.Logf("got status message: %s", pretty.Sdump(msg)) |
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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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// TestGetBlockHeaders_66 tests whether the given node can respond to
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// an eth66 `GetBlockHeaders` request and that the response is accurate.
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func (s *Suite) TestGetBlockHeaders_66(t *utesting.T) { |
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conn := s.setupConnection66(t) |
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defer conn.Close() |
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// get block headers
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req := ð.GetBlockHeadersPacket66{ |
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RequestId: 3, |
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GetBlockHeadersPacket: ð.GetBlockHeadersPacket{ |
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Origin: eth.HashOrNumber{ |
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Hash: s.chain.blocks[1].Hash(), |
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}, |
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Amount: 2, |
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Skip: 1, |
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Reverse: false, |
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}, |
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} |
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// write message
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headers, err := s.getBlockHeaders66(conn, req, req.RequestId) |
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if err != nil { |
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t.Fatalf("could not get block headers: %v", err) |
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} |
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// check for correct headers
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if !headersMatch(t, s.chain, headers) { |
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t.Fatal("received wrong header(s)") |
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} |
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} |
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// TestSimultaneousRequests_66 sends two simultaneous `GetBlockHeader` requests
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// with different request IDs and checks to make sure the node responds with the correct
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// headers per request.
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func (s *Suite) TestSimultaneousRequests_66(t *utesting.T) { |
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// create two connections
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conn := s.setupConnection66(t) |
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defer conn.Close() |
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// create two requests
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req1 := ð.GetBlockHeadersPacket66{ |
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RequestId: 111, |
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GetBlockHeadersPacket: ð.GetBlockHeadersPacket{ |
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Origin: eth.HashOrNumber{ |
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Hash: s.chain.blocks[1].Hash(), |
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}, |
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Amount: 2, |
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Skip: 1, |
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Reverse: false, |
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}, |
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} |
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req2 := ð.GetBlockHeadersPacket66{ |
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RequestId: 222, |
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GetBlockHeadersPacket: ð.GetBlockHeadersPacket{ |
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Origin: eth.HashOrNumber{ |
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Hash: s.chain.blocks[1].Hash(), |
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}, |
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Amount: 4, |
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Skip: 1, |
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Reverse: false, |
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}, |
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} |
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// write first request
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if err := conn.write66(req1, GetBlockHeaders{}.Code()); err != nil { |
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t.Fatalf("failed to write to connection: %v", err) |
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} |
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// write second request
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if err := conn.write66(req2, GetBlockHeaders{}.Code()); err != nil { |
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t.Fatalf("failed to write to connection: %v", err) |
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} |
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// wait for responses
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headers1, err := s.waitForBlockHeadersResponse66(conn, req1.RequestId) |
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if err != nil { |
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t.Fatalf("error while waiting for block headers: %v", err) |
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} |
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headers2, err := s.waitForBlockHeadersResponse66(conn, req2.RequestId) |
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if err != nil { |
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t.Fatalf("error while waiting for block headers: %v", err) |
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} |
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// check headers of both responses
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if !headersMatch(t, s.chain, headers1) { |
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t.Fatalf("wrong header(s) in response to req1: got %v", headers1) |
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} |
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if !headersMatch(t, s.chain, headers2) { |
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t.Fatalf("wrong header(s) in response to req2: got %v", headers2) |
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} |
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} |
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// TestBroadcast_66 tests whether a block announcement is correctly
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// propagated to the given node's peer(s) on the eth66 protocol.
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func (s *Suite) TestBroadcast_66(t *utesting.T) { |
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s.sendNextBlock66(t) |
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} |
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// TestGetBlockBodies_66 tests whether the given node can respond to
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// a `GetBlockBodies` request and that the response is accurate over
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// the eth66 protocol.
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func (s *Suite) TestGetBlockBodies_66(t *utesting.T) { |
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conn := s.setupConnection66(t) |
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defer conn.Close() |
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// create block bodies request
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id := uint64(55) |
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req := ð.GetBlockBodiesPacket66{ |
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RequestId: id, |
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GetBlockBodiesPacket: eth.GetBlockBodiesPacket{ |
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s.chain.blocks[54].Hash(), |
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s.chain.blocks[75].Hash(), |
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}, |
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} |
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if err := conn.write66(req, GetBlockBodies{}.Code()); err != nil { |
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t.Fatalf("could not write to connection: %v", err) |
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} |
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reqID, msg := conn.readAndServe66(s.chain, timeout) |
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switch msg := msg.(type) { |
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case BlockBodies: |
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if reqID != req.RequestId { |
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t.Fatalf("request ID mismatch: wanted %d, got %d", req.RequestId, reqID) |
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} |
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t.Logf("received %d block bodies", len(msg)) |
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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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// TestLargeAnnounce_66 tests the announcement mechanism with a large block.
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func (s *Suite) TestLargeAnnounce_66(t *utesting.T) { |
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nextBlock := len(s.chain.blocks) |
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blocks := []*NewBlock{ |
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{ |
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Block: largeBlock(), |
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TD: s.fullChain.TD(nextBlock + 1), |
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}, |
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{ |
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Block: s.fullChain.blocks[nextBlock], |
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TD: largeNumber(2), |
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}, |
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{ |
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Block: largeBlock(), |
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TD: largeNumber(2), |
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}, |
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{ |
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Block: s.fullChain.blocks[nextBlock], |
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TD: s.fullChain.TD(nextBlock + 1), |
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}, |
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} |
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for i, blockAnnouncement := range blocks[0:3] { |
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t.Logf("Testing malicious announcement: %v\n", i) |
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sendConn := s.setupConnection66(t) |
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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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// Invalid announcement, check that peer disconnected
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switch msg := sendConn.ReadAndServe(s.chain, time.Second*8).(type) { |
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case *Disconnect: |
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case *Error: |
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break |
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default: |
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t.Fatalf("unexpected: %s wanted disconnect", pretty.Sdump(msg)) |
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} |
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sendConn.Close() |
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} |
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// Test the last block as a valid block
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s.sendNextBlock66(t) |
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} |
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func (s *Suite) TestOldAnnounce_66(t *utesting.T) { |
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sendConn, recvConn := s.setupConnection66(t), s.setupConnection66(t) |
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defer sendConn.Close() |
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defer recvConn.Close() |
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s.oldAnnounce(t, sendConn, recvConn) |
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} |
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// TestMaliciousHandshake_66 tries to send malicious data during the handshake.
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func (s *Suite) TestMaliciousHandshake_66(t *utesting.T) { |
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conn := s.dial66(t) |
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defer conn.Close() |
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// write hello to client
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pub0 := crypto.FromECDSAPub(&conn.ourKey.PublicKey)[1:] |
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handshakes := []*Hello{ |
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{ |
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Version: 5, |
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Caps: []p2p.Cap{ |
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{Name: largeString(2), Version: 66}, |
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}, |
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ID: pub0, |
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}, |
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{ |
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Version: 5, |
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Caps: []p2p.Cap{ |
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{Name: "eth", Version: 64}, |
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{Name: "eth", Version: 65}, |
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{Name: "eth", Version: 66}, |
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}, |
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ID: append(pub0, byte(0)), |
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}, |
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{ |
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Version: 5, |
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Caps: []p2p.Cap{ |
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{Name: "eth", Version: 64}, |
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{Name: "eth", Version: 65}, |
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{Name: "eth", Version: 66}, |
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}, |
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ID: append(pub0, pub0...), |
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}, |
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{ |
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Version: 5, |
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Caps: []p2p.Cap{ |
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{Name: "eth", Version: 64}, |
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{Name: "eth", Version: 65}, |
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{Name: "eth", Version: 66}, |
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}, |
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ID: largeBuffer(2), |
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}, |
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{ |
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Version: 5, |
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Caps: []p2p.Cap{ |
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{Name: largeString(2), Version: 66}, |
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}, |
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ID: largeBuffer(2), |
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}, |
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} |
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for i, handshake := range handshakes { |
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t.Logf("Testing malicious handshake %v\n", i) |
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// Init the handshake
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if err := conn.Write(handshake); err != nil { |
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t.Fatalf("could not write to connection: %v", err) |
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} |
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// check that the peer disconnected
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timeout := 20 * time.Second |
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// Discard one hello
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for i := 0; i < 2; i++ { |
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switch msg := conn.ReadAndServe(s.chain, timeout).(type) { |
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case *Disconnect: |
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case *Error: |
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case *Hello: |
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// Hello's are sent concurrently, so ignore them
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continue |
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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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// Dial for the next round
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conn = s.dial66(t) |
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} |
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} |
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// TestMaliciousStatus_66 sends a status package with a large total difficulty.
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func (s *Suite) TestMaliciousStatus_66(t *utesting.T) { |
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conn := s.dial66(t) |
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defer conn.Close() |
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// get protoHandshake
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conn.handshake(t) |
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status := &Status{ |
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ProtocolVersion: uint32(66), |
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NetworkID: s.chain.chainConfig.ChainID.Uint64(), |
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TD: largeNumber(2), |
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Head: s.chain.blocks[s.chain.Len()-1].Hash(), |
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Genesis: s.chain.blocks[0].Hash(), |
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ForkID: s.chain.ForkID(), |
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} |
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// get status
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switch msg := conn.statusExchange(t, s.chain, status).(type) { |
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case *Status: |
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t.Logf("%+v\n", msg) |
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default: |
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t.Fatalf("expected status, got: %#v ", msg) |
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} |
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// wait for disconnect
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switch msg := conn.ReadAndServe(s.chain, timeout).(type) { |
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case *Disconnect: |
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case *Error: |
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return |
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default: |
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t.Fatalf("expected disconnect, got: %s", pretty.Sdump(msg)) |
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} |
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} |
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func (s *Suite) TestTransaction_66(t *utesting.T) { |
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tests := []*types.Transaction{ |
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getNextTxFromChain(t, s), |
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unknownTx(t, s), |
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} |
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for i, tx := range tests { |
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t.Logf("Testing tx propagation: %v\n", i) |
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sendSuccessfulTx66(t, s, tx) |
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} |
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} |
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func (s *Suite) TestMaliciousTx_66(t *utesting.T) { |
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badTxs := []*types.Transaction{ |
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getOldTxFromChain(t, s), |
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invalidNonceTx(t, s), |
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hugeAmount(t, s), |
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hugeGasPrice(t, s), |
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hugeData(t, s), |
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} |
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sendConn := s.setupConnection66(t) |
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defer sendConn.Close() |
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// set up receiving connection before sending txs to make sure
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// no announcements are missed
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recvConn := s.setupConnection66(t) |
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defer recvConn.Close() |
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for i, tx := range badTxs { |
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t.Logf("Testing malicious tx propagation: %v\n", i) |
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if err := sendConn.Write(&Transactions{tx}); err != nil { |
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t.Fatalf("could not write to connection: %v", err) |
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} |
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} |
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// check to make sure bad txs aren't propagated
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waitForTxPropagation(t, s, badTxs, recvConn) |
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} |
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// TestZeroRequestID_66 checks that a request ID of zero is still handled
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// by the node.
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func (s *Suite) TestZeroRequestID_66(t *utesting.T) { |
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conn := s.setupConnection66(t) |
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defer conn.Close() |
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req := ð.GetBlockHeadersPacket66{ |
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RequestId: 0, |
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GetBlockHeadersPacket: ð.GetBlockHeadersPacket{ |
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Origin: eth.HashOrNumber{ |
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Number: 0, |
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}, |
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Amount: 2, |
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}, |
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} |
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headers, err := s.getBlockHeaders66(conn, req, req.RequestId) |
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if err != nil { |
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t.Fatalf("could not get block headers: %v", err) |
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} |
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if !headersMatch(t, s.chain, headers) { |
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t.Fatal("received wrong header(s)") |
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} |
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} |
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// TestSameRequestID_66 sends two requests with the same request ID
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// concurrently to a single node.
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func (s *Suite) TestSameRequestID_66(t *utesting.T) { |
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conn := s.setupConnection66(t) |
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// create two requests with the same request ID
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reqID := uint64(1234) |
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request1 := ð.GetBlockHeadersPacket66{ |
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RequestId: reqID, |
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GetBlockHeadersPacket: ð.GetBlockHeadersPacket{ |
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Origin: eth.HashOrNumber{ |
|
||||||
Number: 1, |
|
||||||
}, |
|
||||||
Amount: 2, |
|
||||||
}, |
|
||||||
} |
|
||||||
request2 := ð.GetBlockHeadersPacket66{ |
|
||||||
RequestId: reqID, |
|
||||||
GetBlockHeadersPacket: ð.GetBlockHeadersPacket{ |
|
||||||
Origin: eth.HashOrNumber{ |
|
||||||
Number: 33, |
|
||||||
}, |
|
||||||
Amount: 2, |
|
||||||
}, |
|
||||||
} |
|
||||||
// write the first request
|
|
||||||
err := conn.write66(request1, GetBlockHeaders{}.Code()) |
|
||||||
if err != nil { |
|
||||||
t.Fatalf("could not write to connection: %v", err) |
|
||||||
} |
|
||||||
// perform second request
|
|
||||||
headers2, err := s.getBlockHeaders66(conn, request2, reqID) |
|
||||||
if err != nil { |
|
||||||
t.Fatalf("could not get block headers: %v", err) |
|
||||||
return |
|
||||||
} |
|
||||||
// wait for response to first request
|
|
||||||
headers1, err := s.waitForBlockHeadersResponse66(conn, reqID) |
|
||||||
if err != nil { |
|
||||||
t.Fatalf("could not get BlockHeaders response: %v", err) |
|
||||||
} |
|
||||||
// check if headers match
|
|
||||||
if !headersMatch(t, s.chain, headers1) || !headersMatch(t, s.chain, headers2) { |
|
||||||
t.Fatal("received wrong header(s)") |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
// TestLargeTxRequest_66 tests whether a node can fulfill a large GetPooledTransactions
|
|
||||||
// request.
|
|
||||||
func (s *Suite) TestLargeTxRequest_66(t *utesting.T) { |
|
||||||
// send the next block to ensure the node is no longer syncing and is able to accept
|
|
||||||
// txs
|
|
||||||
s.sendNextBlock66(t) |
|
||||||
// send 2000 transactions to the node
|
|
||||||
hashMap, txs := generateTxs(t, s, 2000) |
|
||||||
sendConn := s.setupConnection66(t) |
|
||||||
defer sendConn.Close() |
|
||||||
|
|
||||||
sendMultipleSuccessfulTxs(t, s, sendConn, txs) |
|
||||||
// set up connection to receive to ensure node is peered with the receiving connection
|
|
||||||
// before tx request is sent
|
|
||||||
recvConn := s.setupConnection66(t) |
|
||||||
defer recvConn.Close() |
|
||||||
// create and send pooled tx request
|
|
||||||
hashes := make([]common.Hash, 0) |
|
||||||
for _, hash := range hashMap { |
|
||||||
hashes = append(hashes, hash) |
|
||||||
} |
|
||||||
getTxReq := ð.GetPooledTransactionsPacket66{ |
|
||||||
RequestId: 1234, |
|
||||||
GetPooledTransactionsPacket: hashes, |
|
||||||
} |
|
||||||
if err := recvConn.write66(getTxReq, GetPooledTransactions{}.Code()); err != nil { |
|
||||||
t.Fatalf("could not write to conn: %v", err) |
|
||||||
} |
|
||||||
// check that all received transactions match those that were sent to node
|
|
||||||
switch msg := recvConn.waitForResponse(s.chain, timeout, getTxReq.RequestId).(type) { |
|
||||||
case PooledTransactions: |
|
||||||
for _, gotTx := range msg { |
|
||||||
if _, exists := hashMap[gotTx.Hash()]; !exists { |
|
||||||
t.Fatalf("unexpected tx received: %v", gotTx.Hash()) |
|
||||||
} |
|
||||||
} |
|
||||||
default: |
|
||||||
t.Fatalf("unexpected %s", pretty.Sdump(msg)) |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
// TestNewPooledTxs_66 tests whether a node will do a GetPooledTransactions
|
|
||||||
// request upon receiving a NewPooledTransactionHashes announcement.
|
|
||||||
func (s *Suite) TestNewPooledTxs_66(t *utesting.T) { |
|
||||||
// send the next block to ensure the node is no longer syncing and is able to accept
|
|
||||||
// txs
|
|
||||||
s.sendNextBlock66(t) |
|
||||||
// generate 50 txs
|
|
||||||
hashMap, _ := generateTxs(t, s, 50) |
|
||||||
// create new pooled tx hashes announcement
|
|
||||||
hashes := make([]common.Hash, 0) |
|
||||||
for _, hash := range hashMap { |
|
||||||
hashes = append(hashes, hash) |
|
||||||
} |
|
||||||
announce := NewPooledTransactionHashes(hashes) |
|
||||||
// send announcement
|
|
||||||
conn := s.setupConnection66(t) |
|
||||||
defer conn.Close() |
|
||||||
if err := conn.Write(announce); err != nil { |
|
||||||
t.Fatalf("could not write to connection: %v", err) |
|
||||||
} |
|
||||||
// wait for GetPooledTxs request
|
|
||||||
for { |
|
||||||
_, msg := conn.readAndServe66(s.chain, timeout) |
|
||||||
switch msg := msg.(type) { |
|
||||||
case GetPooledTransactions: |
|
||||||
if len(msg) != len(hashes) { |
|
||||||
t.Fatalf("unexpected number of txs requested: wanted %d, got %d", len(hashes), len(msg)) |
|
||||||
} |
|
||||||
return |
|
||||||
case *NewPooledTransactionHashes, *NewBlock, *NewBlockHashes: |
|
||||||
// ignore propagated txs and blocks from old tests
|
|
||||||
continue |
|
||||||
default: |
|
||||||
t.Fatalf("unexpected %s", pretty.Sdump(msg)) |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
@ -1,333 +0,0 @@ |
|||||||
// Copyright 2021 The go-ethereum Authors
|
|
||||||
// This file is part of the go-ethereum library.
|
|
||||||
//
|
|
||||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
||||||
// it under the terms of the GNU Lesser General Public License as published by
|
|
||||||
// the Free Software Foundation, either version 3 of the License, or
|
|
||||||
// (at your option) any later version.
|
|
||||||
//
|
|
||||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
||||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
// GNU Lesser General Public License for more details.
|
|
||||||
//
|
|
||||||
// You should have received a copy of the GNU Lesser General Public License
|
|
||||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
||||||
|
|
||||||
package ethtest |
|
||||||
|
|
||||||
import ( |
|
||||||
"fmt" |
|
||||||
"reflect" |
|
||||||
"time" |
|
||||||
|
|
||||||
"github.com/ethereum/go-ethereum/core/types" |
|
||||||
"github.com/ethereum/go-ethereum/eth/protocols/eth" |
|
||||||
"github.com/ethereum/go-ethereum/internal/utesting" |
|
||||||
"github.com/ethereum/go-ethereum/p2p" |
|
||||||
"github.com/ethereum/go-ethereum/rlp" |
|
||||||
"github.com/stretchr/testify/assert" |
|
||||||
) |
|
||||||
|
|
||||||
func (c *Conn) statusExchange66(t *utesting.T, chain *Chain) Message { |
|
||||||
status := &Status{ |
|
||||||
ProtocolVersion: uint32(66), |
|
||||||
NetworkID: chain.chainConfig.ChainID.Uint64(), |
|
||||||
TD: chain.TD(chain.Len()), |
|
||||||
Head: chain.blocks[chain.Len()-1].Hash(), |
|
||||||
Genesis: chain.blocks[0].Hash(), |
|
||||||
ForkID: chain.ForkID(), |
|
||||||
} |
|
||||||
return c.statusExchange(t, chain, status) |
|
||||||
} |
|
||||||
|
|
||||||
func (s *Suite) dial66(t *utesting.T) *Conn { |
|
||||||
conn, err := s.dial() |
|
||||||
if err != nil { |
|
||||||
t.Fatalf("could not dial: %v", err) |
|
||||||
} |
|
||||||
conn.caps = append(conn.caps, p2p.Cap{Name: "eth", Version: 66}) |
|
||||||
conn.ourHighestProtoVersion = 66 |
|
||||||
return conn |
|
||||||
} |
|
||||||
|
|
||||||
func (c *Conn) write66(req eth.Packet, code int) error { |
|
||||||
payload, err := rlp.EncodeToBytes(req) |
|
||||||
if err != nil { |
|
||||||
return err |
|
||||||
} |
|
||||||
_, err = c.Conn.Write(uint64(code), payload) |
|
||||||
return err |
|
||||||
} |
|
||||||
|
|
||||||
func (c *Conn) read66() (uint64, Message) { |
|
||||||
code, rawData, _, err := c.Conn.Read() |
|
||||||
if err != nil { |
|
||||||
return 0, errorf("could not read from connection: %v", err) |
|
||||||
} |
|
||||||
|
|
||||||
var msg Message |
|
||||||
|
|
||||||
switch int(code) { |
|
||||||
case (Hello{}).Code(): |
|
||||||
msg = new(Hello) |
|
||||||
|
|
||||||
case (Ping{}).Code(): |
|
||||||
msg = new(Ping) |
|
||||||
case (Pong{}).Code(): |
|
||||||
msg = new(Pong) |
|
||||||
case (Disconnect{}).Code(): |
|
||||||
msg = new(Disconnect) |
|
||||||
case (Status{}).Code(): |
|
||||||
msg = new(Status) |
|
||||||
case (GetBlockHeaders{}).Code(): |
|
||||||
ethMsg := new(eth.GetBlockHeadersPacket66) |
|
||||||
if err := rlp.DecodeBytes(rawData, ethMsg); err != nil { |
|
||||||
return 0, errorf("could not rlp decode message: %v", err) |
|
||||||
} |
|
||||||
return ethMsg.RequestId, GetBlockHeaders(*ethMsg.GetBlockHeadersPacket) |
|
||||||
case (BlockHeaders{}).Code(): |
|
||||||
ethMsg := new(eth.BlockHeadersPacket66) |
|
||||||
if err := rlp.DecodeBytes(rawData, ethMsg); err != nil { |
|
||||||
return 0, errorf("could not rlp decode message: %v", err) |
|
||||||
} |
|
||||||
return ethMsg.RequestId, BlockHeaders(ethMsg.BlockHeadersPacket) |
|
||||||
case (GetBlockBodies{}).Code(): |
|
||||||
ethMsg := new(eth.GetBlockBodiesPacket66) |
|
||||||
if err := rlp.DecodeBytes(rawData, ethMsg); err != nil { |
|
||||||
return 0, errorf("could not rlp decode message: %v", err) |
|
||||||
} |
|
||||||
return ethMsg.RequestId, GetBlockBodies(ethMsg.GetBlockBodiesPacket) |
|
||||||
case (BlockBodies{}).Code(): |
|
||||||
ethMsg := new(eth.BlockBodiesPacket66) |
|
||||||
if err := rlp.DecodeBytes(rawData, ethMsg); err != nil { |
|
||||||
return 0, errorf("could not rlp decode message: %v", err) |
|
||||||
} |
|
||||||
return ethMsg.RequestId, BlockBodies(ethMsg.BlockBodiesPacket) |
|
||||||
case (NewBlock{}).Code(): |
|
||||||
msg = new(NewBlock) |
|
||||||
case (NewBlockHashes{}).Code(): |
|
||||||
msg = new(NewBlockHashes) |
|
||||||
case (Transactions{}).Code(): |
|
||||||
msg = new(Transactions) |
|
||||||
case (NewPooledTransactionHashes{}).Code(): |
|
||||||
msg = new(NewPooledTransactionHashes) |
|
||||||
case (GetPooledTransactions{}.Code()): |
|
||||||
ethMsg := new(eth.GetPooledTransactionsPacket66) |
|
||||||
if err := rlp.DecodeBytes(rawData, ethMsg); err != nil { |
|
||||||
return 0, errorf("could not rlp decode message: %v", err) |
|
||||||
} |
|
||||||
return ethMsg.RequestId, GetPooledTransactions(ethMsg.GetPooledTransactionsPacket) |
|
||||||
case (PooledTransactions{}.Code()): |
|
||||||
ethMsg := new(eth.PooledTransactionsPacket66) |
|
||||||
if err := rlp.DecodeBytes(rawData, ethMsg); err != nil { |
|
||||||
return 0, errorf("could not rlp decode message: %v", err) |
|
||||||
} |
|
||||||
return ethMsg.RequestId, PooledTransactions(ethMsg.PooledTransactionsPacket) |
|
||||||
default: |
|
||||||
msg = errorf("invalid message code: %d", code) |
|
||||||
} |
|
||||||
|
|
||||||
if msg != nil { |
|
||||||
if err := rlp.DecodeBytes(rawData, msg); err != nil { |
|
||||||
return 0, errorf("could not rlp decode message: %v", err) |
|
||||||
} |
|
||||||
return 0, msg |
|
||||||
} |
|
||||||
return 0, errorf("invalid message: %s", string(rawData)) |
|
||||||
} |
|
||||||
|
|
||||||
func (c *Conn) waitForResponse(chain *Chain, timeout time.Duration, requestID uint64) Message { |
|
||||||
for { |
|
||||||
id, msg := c.readAndServe66(chain, timeout) |
|
||||||
if id == requestID { |
|
||||||
return msg |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
// ReadAndServe serves GetBlockHeaders requests while waiting
|
|
||||||
// on another message from the node.
|
|
||||||
func (c *Conn) readAndServe66(chain *Chain, timeout time.Duration) (uint64, Message) { |
|
||||||
start := time.Now() |
|
||||||
for time.Since(start) < timeout { |
|
||||||
c.SetReadDeadline(time.Now().Add(10 * time.Second)) |
|
||||||
|
|
||||||
reqID, msg := c.read66() |
|
||||||
|
|
||||||
switch msg := msg.(type) { |
|
||||||
case *Ping: |
|
||||||
c.Write(&Pong{}) |
|
||||||
case *GetBlockHeaders: |
|
||||||
headers, err := chain.GetHeaders(*msg) |
|
||||||
if err != nil { |
|
||||||
return 0, errorf("could not get headers for inbound header request: %v", err) |
|
||||||
} |
|
||||||
resp := ð.BlockHeadersPacket66{ |
|
||||||
RequestId: reqID, |
|
||||||
BlockHeadersPacket: eth.BlockHeadersPacket(headers), |
|
||||||
} |
|
||||||
if err := c.write66(resp, BlockHeaders{}.Code()); err != nil { |
|
||||||
return 0, errorf("could not write to connection: %v", err) |
|
||||||
} |
|
||||||
default: |
|
||||||
return reqID, msg |
|
||||||
} |
|
||||||
} |
|
||||||
return 0, errorf("no message received within %v", timeout) |
|
||||||
} |
|
||||||
|
|
||||||
func (s *Suite) setupConnection66(t *utesting.T) *Conn { |
|
||||||
// create conn
|
|
||||||
sendConn := s.dial66(t) |
|
||||||
sendConn.handshake(t) |
|
||||||
sendConn.statusExchange66(t, s.chain) |
|
||||||
return sendConn |
|
||||||
} |
|
||||||
|
|
||||||
func (s *Suite) testAnnounce66(t *utesting.T, sendConn, receiveConn *Conn, blockAnnouncement *NewBlock) { |
|
||||||
// Announce the block.
|
|
||||||
if err := sendConn.Write(blockAnnouncement); err != nil { |
|
||||||
t.Fatalf("could not write to connection: %v", err) |
|
||||||
} |
|
||||||
s.waitAnnounce66(t, receiveConn, blockAnnouncement) |
|
||||||
} |
|
||||||
|
|
||||||
func (s *Suite) waitAnnounce66(t *utesting.T, conn *Conn, blockAnnouncement *NewBlock) { |
|
||||||
for { |
|
||||||
_, msg := conn.readAndServe66(s.chain, timeout) |
|
||||||
switch msg := msg.(type) { |
|
||||||
case *NewBlock: |
|
||||||
t.Logf("received NewBlock message: %s", pretty.Sdump(msg.Block)) |
|
||||||
assert.Equal(t, |
|
||||||
blockAnnouncement.Block.Header(), msg.Block.Header(), |
|
||||||
"wrong block header in announcement", |
|
||||||
) |
|
||||||
assert.Equal(t, |
|
||||||
blockAnnouncement.TD, msg.TD, |
|
||||||
"wrong TD in announcement", |
|
||||||
) |
|
||||||
return |
|
||||||
case *NewBlockHashes: |
|
||||||
blockHashes := *msg |
|
||||||
t.Logf("received NewBlockHashes message: %s", pretty.Sdump(blockHashes)) |
|
||||||
assert.Equal(t, blockAnnouncement.Block.Hash(), blockHashes[0].Hash, |
|
||||||
"wrong block hash in announcement", |
|
||||||
) |
|
||||||
return |
|
||||||
case *NewPooledTransactionHashes: |
|
||||||
// ignore old txs being propagated
|
|
||||||
continue |
|
||||||
default: |
|
||||||
t.Fatalf("unexpected: %s", pretty.Sdump(msg)) |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
// waitForBlock66 waits for confirmation from the client that it has
|
|
||||||
// imported the given block.
|
|
||||||
func (c *Conn) waitForBlock66(block *types.Block) error { |
|
||||||
defer c.SetReadDeadline(time.Time{}) |
|
||||||
|
|
||||||
c.SetReadDeadline(time.Now().Add(20 * time.Second)) |
|
||||||
// note: if the node has not yet imported the block, it will respond
|
|
||||||
// to the GetBlockHeaders request with an empty BlockHeaders response,
|
|
||||||
// so the GetBlockHeaders request must be sent again until the BlockHeaders
|
|
||||||
// response contains the desired header.
|
|
||||||
for { |
|
||||||
req := eth.GetBlockHeadersPacket66{ |
|
||||||
RequestId: 54, |
|
||||||
GetBlockHeadersPacket: ð.GetBlockHeadersPacket{ |
|
||||||
Origin: eth.HashOrNumber{ |
|
||||||
Hash: block.Hash(), |
|
||||||
}, |
|
||||||
Amount: 1, |
|
||||||
}, |
|
||||||
} |
|
||||||
if err := c.write66(req, GetBlockHeaders{}.Code()); err != nil { |
|
||||||
return err |
|
||||||
} |
|
||||||
|
|
||||||
reqID, msg := c.read66() |
|
||||||
// check message
|
|
||||||
switch msg := msg.(type) { |
|
||||||
case BlockHeaders: |
|
||||||
// check request ID
|
|
||||||
if reqID != req.RequestId { |
|
||||||
return fmt.Errorf("request ID mismatch: wanted %d, got %d", req.RequestId, reqID) |
|
||||||
} |
|
||||||
for _, header := range msg { |
|
||||||
if header.Number.Uint64() == block.NumberU64() { |
|
||||||
return nil |
|
||||||
} |
|
||||||
} |
|
||||||
time.Sleep(100 * time.Millisecond) |
|
||||||
case *NewPooledTransactionHashes: |
|
||||||
// ignore old announcements
|
|
||||||
continue |
|
||||||
default: |
|
||||||
return fmt.Errorf("invalid message: %s", pretty.Sdump(msg)) |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
func sendSuccessfulTx66(t *utesting.T, s *Suite, tx *types.Transaction) { |
|
||||||
sendConn := s.setupConnection66(t) |
|
||||||
defer sendConn.Close() |
|
||||||
sendSuccessfulTxWithConn(t, s, tx, sendConn) |
|
||||||
} |
|
||||||
|
|
||||||
// waitForBlockHeadersResponse66 waits for a BlockHeaders message with the given expected request ID
|
|
||||||
func (s *Suite) waitForBlockHeadersResponse66(conn *Conn, expectedID uint64) (BlockHeaders, error) { |
|
||||||
reqID, msg := conn.readAndServe66(s.chain, timeout) |
|
||||||
switch msg := msg.(type) { |
|
||||||
case BlockHeaders: |
|
||||||
if reqID != expectedID { |
|
||||||
return nil, fmt.Errorf("request ID mismatch: wanted %d, got %d", expectedID, reqID) |
|
||||||
} |
|
||||||
return msg, nil |
|
||||||
default: |
|
||||||
return nil, fmt.Errorf("unexpected: %s", pretty.Sdump(msg)) |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
func (s *Suite) getBlockHeaders66(conn *Conn, req eth.Packet, expectedID uint64) (BlockHeaders, error) { |
|
||||||
if err := conn.write66(req, GetBlockHeaders{}.Code()); err != nil { |
|
||||||
return nil, fmt.Errorf("could not write to connection: %v", err) |
|
||||||
} |
|
||||||
return s.waitForBlockHeadersResponse66(conn, expectedID) |
|
||||||
} |
|
||||||
|
|
||||||
func headersMatch(t *utesting.T, chain *Chain, headers BlockHeaders) bool { |
|
||||||
mismatched := 0 |
|
||||||
for _, header := range headers { |
|
||||||
num := header.Number.Uint64() |
|
||||||
t.Logf("received header (%d): %s", num, pretty.Sdump(header.Hash())) |
|
||||||
if !reflect.DeepEqual(chain.blocks[int(num)].Header(), header) { |
|
||||||
mismatched += 1 |
|
||||||
t.Logf("received wrong header: %v", pretty.Sdump(header)) |
|
||||||
} |
|
||||||
} |
|
||||||
return mismatched == 0 |
|
||||||
} |
|
||||||
|
|
||||||
func (s *Suite) sendNextBlock66(t *utesting.T) { |
|
||||||
sendConn, receiveConn := s.setupConnection66(t), s.setupConnection66(t) |
|
||||||
defer sendConn.Close() |
|
||||||
defer receiveConn.Close() |
|
||||||
|
|
||||||
// create new block announcement
|
|
||||||
nextBlock := len(s.chain.blocks) |
|
||||||
blockAnnouncement := &NewBlock{ |
|
||||||
Block: s.fullChain.blocks[nextBlock], |
|
||||||
TD: s.fullChain.TD(nextBlock + 1), |
|
||||||
} |
|
||||||
// send announcement and wait for node to request the header
|
|
||||||
s.testAnnounce66(t, sendConn, receiveConn, blockAnnouncement) |
|
||||||
// wait for client to update its chain
|
|
||||||
if err := receiveConn.waitForBlock66(s.fullChain.blocks[nextBlock]); err != nil { |
|
||||||
t.Fatal(err) |
|
||||||
} |
|
||||||
// update test suite chain
|
|
||||||
s.chain.blocks = append(s.chain.blocks, s.fullChain.blocks[nextBlock]) |
|
||||||
} |
|
||||||
@ -0,0 +1,635 @@ |
|||||||
|
// Copyright 2020 The go-ethereum Authors
|
||||||
|
// This file is part of the go-ethereum library.
|
||||||
|
//
|
||||||
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||||
|
// it under the terms of the GNU Lesser General Public License as published by
|
||||||
|
// the Free Software Foundation, either version 3 of the License, or
|
||||||
|
// (at your option) any later version.
|
||||||
|
//
|
||||||
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||||
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
// GNU Lesser General Public License for more details.
|
||||||
|
//
|
||||||
|
// You should have received a copy of the GNU Lesser General Public License
|
||||||
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
|
||||||
|
package ethtest |
||||||
|
|
||||||
|
import ( |
||||||
|
"fmt" |
||||||
|
"net" |
||||||
|
"reflect" |
||||||
|
"strings" |
||||||
|
"time" |
||||||
|
|
||||||
|
"github.com/davecgh/go-spew/spew" |
||||||
|
"github.com/ethereum/go-ethereum/core/types" |
||||||
|
"github.com/ethereum/go-ethereum/crypto" |
||||||
|
"github.com/ethereum/go-ethereum/eth/protocols/eth" |
||||||
|
"github.com/ethereum/go-ethereum/internal/utesting" |
||||||
|
"github.com/ethereum/go-ethereum/p2p" |
||||||
|
"github.com/ethereum/go-ethereum/p2p/rlpx" |
||||||
|
) |
||||||
|
|
||||||
|
var ( |
||||||
|
pretty = spew.ConfigState{ |
||||||
|
Indent: " ", |
||||||
|
DisableCapacities: true, |
||||||
|
DisablePointerAddresses: true, |
||||||
|
SortKeys: true, |
||||||
|
} |
||||||
|
timeout = 20 * time.Second |
||||||
|
) |
||||||
|
|
||||||
|
// Is_66 checks if the node supports the eth66 protocol version,
|
||||||
|
// and if not, exists the test suite
|
||||||
|
func (s *Suite) Is_66(t *utesting.T) { |
||||||
|
conn, err := s.dial66() |
||||||
|
if err != nil { |
||||||
|
t.Fatalf("dial failed: %v", err) |
||||||
|
} |
||||||
|
if err := conn.handshake(); err != nil { |
||||||
|
t.Fatalf("handshake failed: %v", err) |
||||||
|
} |
||||||
|
if conn.negotiatedProtoVersion < 66 { |
||||||
|
t.Fail() |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
// dial attempts to dial the given node and perform a handshake,
|
||||||
|
// returning the created Conn if successful.
|
||||||
|
func (s *Suite) dial() (*Conn, error) { |
||||||
|
// dial
|
||||||
|
fd, err := net.Dial("tcp", fmt.Sprintf("%v:%d", s.Dest.IP(), s.Dest.TCP())) |
||||||
|
if err != nil { |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
conn := Conn{Conn: rlpx.NewConn(fd, s.Dest.Pubkey())} |
||||||
|
// do encHandshake
|
||||||
|
conn.ourKey, _ = crypto.GenerateKey() |
||||||
|
_, err = conn.Handshake(conn.ourKey) |
||||||
|
if err != nil { |
||||||
|
conn.Close() |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
// set default p2p capabilities
|
||||||
|
conn.caps = []p2p.Cap{ |
||||||
|
{Name: "eth", Version: 64}, |
||||||
|
{Name: "eth", Version: 65}, |
||||||
|
} |
||||||
|
conn.ourHighestProtoVersion = 65 |
||||||
|
return &conn, nil |
||||||
|
} |
||||||
|
|
||||||
|
// dial66 attempts to dial the given node and perform a handshake,
|
||||||
|
// returning the created Conn with additional eth66 capabilities if
|
||||||
|
// successful
|
||||||
|
func (s *Suite) dial66() (*Conn, error) { |
||||||
|
conn, err := s.dial() |
||||||
|
if err != nil { |
||||||
|
return nil, fmt.Errorf("dial failed: %v", err) |
||||||
|
} |
||||||
|
conn.caps = append(conn.caps, p2p.Cap{Name: "eth", Version: 66}) |
||||||
|
conn.ourHighestProtoVersion = 66 |
||||||
|
return conn, nil |
||||||
|
} |
||||||
|
|
||||||
|
// peer performs both the protocol handshake and the status message
|
||||||
|
// exchange with the node in order to peer with it.
|
||||||
|
func (c *Conn) peer(chain *Chain, status *Status) error { |
||||||
|
if err := c.handshake(); err != nil { |
||||||
|
return fmt.Errorf("handshake failed: %v", err) |
||||||
|
} |
||||||
|
if _, err := c.statusExchange(chain, status); err != nil { |
||||||
|
return fmt.Errorf("status exchange failed: %v", err) |
||||||
|
} |
||||||
|
return nil |
||||||
|
} |
||||||
|
|
||||||
|
// handshake performs a protocol handshake with the node.
|
||||||
|
func (c *Conn) handshake() error { |
||||||
|
defer c.SetDeadline(time.Time{}) |
||||||
|
c.SetDeadline(time.Now().Add(10 * time.Second)) |
||||||
|
// write hello to client
|
||||||
|
pub0 := crypto.FromECDSAPub(&c.ourKey.PublicKey)[1:] |
||||||
|
ourHandshake := &Hello{ |
||||||
|
Version: 5, |
||||||
|
Caps: c.caps, |
||||||
|
ID: pub0, |
||||||
|
} |
||||||
|
if err := c.Write(ourHandshake); err != nil { |
||||||
|
return fmt.Errorf("write to connection failed: %v", err) |
||||||
|
} |
||||||
|
// read hello from client
|
||||||
|
switch msg := c.Read().(type) { |
||||||
|
case *Hello: |
||||||
|
// set snappy if version is at least 5
|
||||||
|
if msg.Version >= 5 { |
||||||
|
c.SetSnappy(true) |
||||||
|
} |
||||||
|
c.negotiateEthProtocol(msg.Caps) |
||||||
|
if c.negotiatedProtoVersion == 0 { |
||||||
|
return fmt.Errorf("unexpected eth protocol version") |
||||||
|
} |
||||||
|
return nil |
||||||
|
default: |
||||||
|
return fmt.Errorf("bad handshake: %#v", msg) |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
// negotiateEthProtocol sets the Conn's eth protocol version to highest
|
||||||
|
// advertised capability from peer.
|
||||||
|
func (c *Conn) negotiateEthProtocol(caps []p2p.Cap) { |
||||||
|
var highestEthVersion uint |
||||||
|
for _, capability := range caps { |
||||||
|
if capability.Name != "eth" { |
||||||
|
continue |
||||||
|
} |
||||||
|
if capability.Version > highestEthVersion && capability.Version <= c.ourHighestProtoVersion { |
||||||
|
highestEthVersion = capability.Version |
||||||
|
} |
||||||
|
} |
||||||
|
c.negotiatedProtoVersion = highestEthVersion |
||||||
|
} |
||||||
|
|
||||||
|
// statusExchange performs a `Status` message exchange with the given node.
|
||||||
|
func (c *Conn) statusExchange(chain *Chain, status *Status) (Message, error) { |
||||||
|
defer c.SetDeadline(time.Time{}) |
||||||
|
c.SetDeadline(time.Now().Add(20 * time.Second)) |
||||||
|
|
||||||
|
// read status message from client
|
||||||
|
var message Message |
||||||
|
loop: |
||||||
|
for { |
||||||
|
switch msg := c.Read().(type) { |
||||||
|
case *Status: |
||||||
|
if have, want := msg.Head, chain.blocks[chain.Len()-1].Hash(); have != want { |
||||||
|
return nil, fmt.Errorf("wrong head block in status, want: %#x (block %d) have %#x", |
||||||
|
want, chain.blocks[chain.Len()-1].NumberU64(), have) |
||||||
|
} |
||||||
|
if have, want := msg.TD.Cmp(chain.TD()), 0; have != want { |
||||||
|
return nil, fmt.Errorf("wrong TD in status: have %v want %v", have, want) |
||||||
|
} |
||||||
|
if have, want := msg.ForkID, chain.ForkID(); !reflect.DeepEqual(have, want) { |
||||||
|
return nil, fmt.Errorf("wrong fork ID in status: have %v, want %v", have, want) |
||||||
|
} |
||||||
|
if have, want := msg.ProtocolVersion, c.ourHighestProtoVersion; have != uint32(want) { |
||||||
|
return nil, fmt.Errorf("wrong protocol version: have %v, want %v", have, want) |
||||||
|
} |
||||||
|
message = msg |
||||||
|
break loop |
||||||
|
case *Disconnect: |
||||||
|
return nil, fmt.Errorf("disconnect received: %v", msg.Reason) |
||||||
|
case *Ping: |
||||||
|
c.Write(&Pong{}) // TODO (renaynay): in the future, this should be an error
|
||||||
|
// (PINGs should not be a response upon fresh connection)
|
||||||
|
default: |
||||||
|
return nil, fmt.Errorf("bad status message: %s", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
} |
||||||
|
// make sure eth protocol version is set for negotiation
|
||||||
|
if c.negotiatedProtoVersion == 0 { |
||||||
|
return nil, fmt.Errorf("eth protocol version must be set in Conn") |
||||||
|
} |
||||||
|
if status == nil { |
||||||
|
// default status message
|
||||||
|
status = &Status{ |
||||||
|
ProtocolVersion: uint32(c.negotiatedProtoVersion), |
||||||
|
NetworkID: chain.chainConfig.ChainID.Uint64(), |
||||||
|
TD: chain.TD(), |
||||||
|
Head: chain.blocks[chain.Len()-1].Hash(), |
||||||
|
Genesis: chain.blocks[0].Hash(), |
||||||
|
ForkID: chain.ForkID(), |
||||||
|
} |
||||||
|
} |
||||||
|
if err := c.Write(status); err != nil { |
||||||
|
return nil, fmt.Errorf("write to connection failed: %v", err) |
||||||
|
} |
||||||
|
return message, nil |
||||||
|
} |
||||||
|
|
||||||
|
// createSendAndRecvConns creates two connections, one for sending messages to the
|
||||||
|
// node, and one for receiving messages from the node.
|
||||||
|
func (s *Suite) createSendAndRecvConns(isEth66 bool) (*Conn, *Conn, error) { |
||||||
|
var ( |
||||||
|
sendConn *Conn |
||||||
|
recvConn *Conn |
||||||
|
err error |
||||||
|
) |
||||||
|
if isEth66 { |
||||||
|
sendConn, err = s.dial66() |
||||||
|
if err != nil { |
||||||
|
return nil, nil, fmt.Errorf("dial failed: %v", err) |
||||||
|
} |
||||||
|
recvConn, err = s.dial66() |
||||||
|
if err != nil { |
||||||
|
sendConn.Close() |
||||||
|
return nil, nil, fmt.Errorf("dial failed: %v", err) |
||||||
|
} |
||||||
|
} else { |
||||||
|
sendConn, err = s.dial() |
||||||
|
if err != nil { |
||||||
|
return nil, nil, fmt.Errorf("dial failed: %v", err) |
||||||
|
} |
||||||
|
recvConn, err = s.dial() |
||||||
|
if err != nil { |
||||||
|
sendConn.Close() |
||||||
|
return nil, nil, fmt.Errorf("dial failed: %v", err) |
||||||
|
} |
||||||
|
} |
||||||
|
return sendConn, recvConn, nil |
||||||
|
} |
||||||
|
|
||||||
|
// readAndServe serves GetBlockHeaders requests while waiting
|
||||||
|
// on another message from the node.
|
||||||
|
func (c *Conn) readAndServe(chain *Chain, timeout time.Duration) Message { |
||||||
|
start := time.Now() |
||||||
|
for time.Since(start) < timeout { |
||||||
|
c.SetReadDeadline(time.Now().Add(5 * time.Second)) |
||||||
|
switch msg := c.Read().(type) { |
||||||
|
case *Ping: |
||||||
|
c.Write(&Pong{}) |
||||||
|
case *GetBlockHeaders: |
||||||
|
req := *msg |
||||||
|
headers, err := chain.GetHeaders(req) |
||||||
|
if err != nil { |
||||||
|
return errorf("could not get headers for inbound header request: %v", err) |
||||||
|
} |
||||||
|
if err := c.Write(headers); err != nil { |
||||||
|
return errorf("could not write to connection: %v", err) |
||||||
|
} |
||||||
|
default: |
||||||
|
return msg |
||||||
|
} |
||||||
|
} |
||||||
|
return errorf("no message received within %v", timeout) |
||||||
|
} |
||||||
|
|
||||||
|
// readAndServe66 serves eth66 GetBlockHeaders requests while waiting
|
||||||
|
// on another message from the node.
|
||||||
|
func (c *Conn) readAndServe66(chain *Chain, timeout time.Duration) (uint64, Message) { |
||||||
|
start := time.Now() |
||||||
|
for time.Since(start) < timeout { |
||||||
|
c.SetReadDeadline(time.Now().Add(10 * time.Second)) |
||||||
|
|
||||||
|
reqID, msg := c.Read66() |
||||||
|
|
||||||
|
switch msg := msg.(type) { |
||||||
|
case *Ping: |
||||||
|
c.Write(&Pong{}) |
||||||
|
case *GetBlockHeaders: |
||||||
|
headers, err := chain.GetHeaders(*msg) |
||||||
|
if err != nil { |
||||||
|
return 0, errorf("could not get headers for inbound header request: %v", err) |
||||||
|
} |
||||||
|
resp := ð.BlockHeadersPacket66{ |
||||||
|
RequestId: reqID, |
||||||
|
BlockHeadersPacket: eth.BlockHeadersPacket(headers), |
||||||
|
} |
||||||
|
if err := c.Write66(resp, BlockHeaders{}.Code()); err != nil { |
||||||
|
return 0, errorf("could not write to connection: %v", err) |
||||||
|
} |
||||||
|
default: |
||||||
|
return reqID, msg |
||||||
|
} |
||||||
|
} |
||||||
|
return 0, errorf("no message received within %v", timeout) |
||||||
|
} |
||||||
|
|
||||||
|
// headersRequest executes the given `GetBlockHeaders` request.
|
||||||
|
func (c *Conn) headersRequest(request *GetBlockHeaders, chain *Chain, isEth66 bool, reqID uint64) (BlockHeaders, error) { |
||||||
|
defer c.SetReadDeadline(time.Time{}) |
||||||
|
c.SetReadDeadline(time.Now().Add(20 * time.Second)) |
||||||
|
// if on eth66 connection, perform eth66 GetBlockHeaders request
|
||||||
|
if isEth66 { |
||||||
|
return getBlockHeaders66(chain, c, request, reqID) |
||||||
|
} |
||||||
|
if err := c.Write(request); err != nil { |
||||||
|
return nil, err |
||||||
|
} |
||||||
|
switch msg := c.readAndServe(chain, timeout).(type) { |
||||||
|
case *BlockHeaders: |
||||||
|
return *msg, nil |
||||||
|
default: |
||||||
|
return nil, fmt.Errorf("invalid message: %s", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
// getBlockHeaders66 executes the given `GetBlockHeaders` request over the eth66 protocol.
|
||||||
|
func getBlockHeaders66(chain *Chain, conn *Conn, request *GetBlockHeaders, id uint64) (BlockHeaders, error) { |
||||||
|
// write request
|
||||||
|
packet := eth.GetBlockHeadersPacket(*request) |
||||||
|
req := ð.GetBlockHeadersPacket66{ |
||||||
|
RequestId: id, |
||||||
|
GetBlockHeadersPacket: &packet, |
||||||
|
} |
||||||
|
if err := conn.Write66(req, GetBlockHeaders{}.Code()); err != nil { |
||||||
|
return nil, fmt.Errorf("could not write to connection: %v", err) |
||||||
|
} |
||||||
|
// wait for response
|
||||||
|
msg := conn.waitForResponse(chain, timeout, req.RequestId) |
||||||
|
headers, ok := msg.(BlockHeaders) |
||||||
|
if !ok { |
||||||
|
return nil, fmt.Errorf("unexpected message received: %s", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
return headers, nil |
||||||
|
} |
||||||
|
|
||||||
|
// headersMatch returns whether the received headers match the given request
|
||||||
|
func headersMatch(expected BlockHeaders, headers BlockHeaders) bool { |
||||||
|
return reflect.DeepEqual(expected, headers) |
||||||
|
} |
||||||
|
|
||||||
|
// waitForResponse reads from the connection until a response with the expected
|
||||||
|
// request ID is received.
|
||||||
|
func (c *Conn) waitForResponse(chain *Chain, timeout time.Duration, requestID uint64) Message { |
||||||
|
for { |
||||||
|
id, msg := c.readAndServe66(chain, timeout) |
||||||
|
if id == requestID { |
||||||
|
return msg |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
// sendNextBlock broadcasts the next block in the chain and waits
|
||||||
|
// for the node to propagate the block and import it into its chain.
|
||||||
|
func (s *Suite) sendNextBlock(isEth66 bool) error { |
||||||
|
// set up sending and receiving connections
|
||||||
|
sendConn, recvConn, err := s.createSendAndRecvConns(isEth66) |
||||||
|
if err != nil { |
||||||
|
return err |
||||||
|
} |
||||||
|
defer sendConn.Close() |
||||||
|
defer recvConn.Close() |
||||||
|
if err = sendConn.peer(s.chain, nil); err != nil { |
||||||
|
return fmt.Errorf("peering failed: %v", err) |
||||||
|
} |
||||||
|
if err = recvConn.peer(s.chain, nil); err != nil { |
||||||
|
return fmt.Errorf("peering failed: %v", err) |
||||||
|
} |
||||||
|
// create new block announcement
|
||||||
|
nextBlock := s.fullChain.blocks[s.chain.Len()] |
||||||
|
blockAnnouncement := &NewBlock{ |
||||||
|
Block: nextBlock, |
||||||
|
TD: s.fullChain.TotalDifficultyAt(s.chain.Len()), |
||||||
|
} |
||||||
|
// send announcement and wait for node to request the header
|
||||||
|
if err = s.testAnnounce(sendConn, recvConn, blockAnnouncement); err != nil { |
||||||
|
return fmt.Errorf("failed to announce block: %v", err) |
||||||
|
} |
||||||
|
// wait for client to update its chain
|
||||||
|
if err = s.waitForBlockImport(recvConn, nextBlock, isEth66); err != nil { |
||||||
|
return fmt.Errorf("failed to receive confirmation of block import: %v", err) |
||||||
|
} |
||||||
|
// update test suite chain
|
||||||
|
s.chain.blocks = append(s.chain.blocks, nextBlock) |
||||||
|
return nil |
||||||
|
} |
||||||
|
|
||||||
|
// testAnnounce writes a block announcement to the node and waits for the node
|
||||||
|
// to propagate it.
|
||||||
|
func (s *Suite) testAnnounce(sendConn, receiveConn *Conn, blockAnnouncement *NewBlock) error { |
||||||
|
if err := sendConn.Write(blockAnnouncement); err != nil { |
||||||
|
return fmt.Errorf("could not write to connection: %v", err) |
||||||
|
} |
||||||
|
return s.waitAnnounce(receiveConn, blockAnnouncement) |
||||||
|
} |
||||||
|
|
||||||
|
// waitAnnounce waits for a NewBlock or NewBlockHashes announcement from the node.
|
||||||
|
func (s *Suite) waitAnnounce(conn *Conn, blockAnnouncement *NewBlock) error { |
||||||
|
for { |
||||||
|
switch msg := conn.readAndServe(s.chain, timeout).(type) { |
||||||
|
case *NewBlock: |
||||||
|
if !reflect.DeepEqual(blockAnnouncement.Block.Header(), msg.Block.Header()) { |
||||||
|
return fmt.Errorf("wrong header in block announcement: \nexpected %v "+ |
||||||
|
"\ngot %v", blockAnnouncement.Block.Header(), msg.Block.Header()) |
||||||
|
} |
||||||
|
if !reflect.DeepEqual(blockAnnouncement.TD, msg.TD) { |
||||||
|
return fmt.Errorf("wrong TD in announcement: expected %v, got %v", blockAnnouncement.TD, msg.TD) |
||||||
|
} |
||||||
|
return nil |
||||||
|
case *NewBlockHashes: |
||||||
|
hashes := *msg |
||||||
|
if blockAnnouncement.Block.Hash() != hashes[0].Hash { |
||||||
|
return fmt.Errorf("wrong block hash in announcement: expected %v, got %v", blockAnnouncement.Block.Hash(), hashes[0].Hash) |
||||||
|
} |
||||||
|
return nil |
||||||
|
case *NewPooledTransactionHashes: |
||||||
|
// ignore tx announcements from previous tests
|
||||||
|
continue |
||||||
|
default: |
||||||
|
return fmt.Errorf("unexpected: %s", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
func (s *Suite) waitForBlockImport(conn *Conn, block *types.Block, isEth66 bool) error { |
||||||
|
defer conn.SetReadDeadline(time.Time{}) |
||||||
|
conn.SetReadDeadline(time.Now().Add(20 * time.Second)) |
||||||
|
// create request
|
||||||
|
req := &GetBlockHeaders{ |
||||||
|
Origin: eth.HashOrNumber{ |
||||||
|
Hash: block.Hash(), |
||||||
|
}, |
||||||
|
Amount: 1, |
||||||
|
} |
||||||
|
// loop until BlockHeaders response contains desired block, confirming the
|
||||||
|
// node imported the block
|
||||||
|
for { |
||||||
|
var ( |
||||||
|
headers BlockHeaders |
||||||
|
err error |
||||||
|
) |
||||||
|
if isEth66 { |
||||||
|
requestID := uint64(54) |
||||||
|
headers, err = conn.headersRequest(req, s.chain, eth66, requestID) |
||||||
|
} else { |
||||||
|
headers, err = conn.headersRequest(req, s.chain, eth65, 0) |
||||||
|
} |
||||||
|
if err != nil { |
||||||
|
return fmt.Errorf("GetBlockHeader request failed: %v", err) |
||||||
|
} |
||||||
|
// if headers response is empty, node hasn't imported block yet, try again
|
||||||
|
if len(headers) == 0 { |
||||||
|
time.Sleep(100 * time.Millisecond) |
||||||
|
continue |
||||||
|
} |
||||||
|
if !reflect.DeepEqual(block.Header(), headers[0]) { |
||||||
|
return fmt.Errorf("wrong header returned: wanted %v, got %v", block.Header(), headers[0]) |
||||||
|
} |
||||||
|
return nil |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
func (s *Suite) oldAnnounce(isEth66 bool) error { |
||||||
|
sendConn, receiveConn, err := s.createSendAndRecvConns(isEth66) |
||||||
|
if err != nil { |
||||||
|
return err |
||||||
|
} |
||||||
|
defer sendConn.Close() |
||||||
|
defer receiveConn.Close() |
||||||
|
if err := sendConn.peer(s.chain, nil); err != nil { |
||||||
|
return fmt.Errorf("peering failed: %v", err) |
||||||
|
} |
||||||
|
if err := receiveConn.peer(s.chain, nil); err != nil { |
||||||
|
return fmt.Errorf("peering failed: %v", err) |
||||||
|
} |
||||||
|
// create old block announcement
|
||||||
|
oldBlockAnnounce := &NewBlock{ |
||||||
|
Block: s.chain.blocks[len(s.chain.blocks)/2], |
||||||
|
TD: s.chain.blocks[len(s.chain.blocks)/2].Difficulty(), |
||||||
|
} |
||||||
|
if err := sendConn.Write(oldBlockAnnounce); err != nil { |
||||||
|
return fmt.Errorf("could not write to connection: %v", err) |
||||||
|
} |
||||||
|
// wait to see if the announcement is propagated
|
||||||
|
switch msg := receiveConn.readAndServe(s.chain, time.Second*8).(type) { |
||||||
|
case *NewBlock: |
||||||
|
block := *msg |
||||||
|
if block.Block.Hash() == oldBlockAnnounce.Block.Hash() { |
||||||
|
return fmt.Errorf("unexpected: block propagated: %s", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
case *NewBlockHashes: |
||||||
|
hashes := *msg |
||||||
|
for _, hash := range hashes { |
||||||
|
if hash.Hash == oldBlockAnnounce.Block.Hash() { |
||||||
|
return fmt.Errorf("unexpected: block announced: %s", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
} |
||||||
|
case *Error: |
||||||
|
errMsg := *msg |
||||||
|
// check to make sure error is timeout (propagation didn't come through == test successful)
|
||||||
|
if !strings.Contains(errMsg.String(), "timeout") { |
||||||
|
return fmt.Errorf("unexpected error: %v", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
default: |
||||||
|
return fmt.Errorf("unexpected: %s", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
return nil |
||||||
|
} |
||||||
|
|
||||||
|
func (s *Suite) maliciousHandshakes(t *utesting.T, isEth66 bool) error { |
||||||
|
var ( |
||||||
|
conn *Conn |
||||||
|
err error |
||||||
|
) |
||||||
|
if isEth66 { |
||||||
|
conn, err = s.dial66() |
||||||
|
if err != nil { |
||||||
|
return fmt.Errorf("dial failed: %v", err) |
||||||
|
} |
||||||
|
} else { |
||||||
|
conn, err = s.dial() |
||||||
|
if err != nil { |
||||||
|
return fmt.Errorf("dial failed: %v", err) |
||||||
|
} |
||||||
|
} |
||||||
|
defer conn.Close() |
||||||
|
// write hello to client
|
||||||
|
pub0 := crypto.FromECDSAPub(&conn.ourKey.PublicKey)[1:] |
||||||
|
handshakes := []*Hello{ |
||||||
|
{ |
||||||
|
Version: 5, |
||||||
|
Caps: []p2p.Cap{ |
||||||
|
{Name: largeString(2), Version: 64}, |
||||||
|
}, |
||||||
|
ID: pub0, |
||||||
|
}, |
||||||
|
{ |
||||||
|
Version: 5, |
||||||
|
Caps: []p2p.Cap{ |
||||||
|
{Name: "eth", Version: 64}, |
||||||
|
{Name: "eth", Version: 65}, |
||||||
|
}, |
||||||
|
ID: append(pub0, byte(0)), |
||||||
|
}, |
||||||
|
{ |
||||||
|
Version: 5, |
||||||
|
Caps: []p2p.Cap{ |
||||||
|
{Name: "eth", Version: 64}, |
||||||
|
{Name: "eth", Version: 65}, |
||||||
|
}, |
||||||
|
ID: append(pub0, pub0...), |
||||||
|
}, |
||||||
|
{ |
||||||
|
Version: 5, |
||||||
|
Caps: []p2p.Cap{ |
||||||
|
{Name: "eth", Version: 64}, |
||||||
|
{Name: "eth", Version: 65}, |
||||||
|
}, |
||||||
|
ID: largeBuffer(2), |
||||||
|
}, |
||||||
|
{ |
||||||
|
Version: 5, |
||||||
|
Caps: []p2p.Cap{ |
||||||
|
{Name: largeString(2), Version: 64}, |
||||||
|
}, |
||||||
|
ID: largeBuffer(2), |
||||||
|
}, |
||||||
|
} |
||||||
|
for i, handshake := range handshakes { |
||||||
|
t.Logf("Testing malicious handshake %v\n", i) |
||||||
|
if err := conn.Write(handshake); err != nil { |
||||||
|
return fmt.Errorf("could not write to connection: %v", err) |
||||||
|
} |
||||||
|
// check that the peer disconnected
|
||||||
|
for i := 0; i < 2; i++ { |
||||||
|
switch msg := conn.readAndServe(s.chain, 20*time.Second).(type) { |
||||||
|
case *Disconnect: |
||||||
|
case *Error: |
||||||
|
case *Hello: |
||||||
|
// Discard one hello as Hello's are sent concurrently
|
||||||
|
continue |
||||||
|
default: |
||||||
|
return fmt.Errorf("unexpected: %s", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
} |
||||||
|
// dial for the next round
|
||||||
|
if isEth66 { |
||||||
|
conn, err = s.dial66() |
||||||
|
if err != nil { |
||||||
|
return fmt.Errorf("dial failed: %v", err) |
||||||
|
} |
||||||
|
} else { |
||||||
|
conn, err = s.dial() |
||||||
|
if err != nil { |
||||||
|
return fmt.Errorf("dial failed: %v", err) |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
return nil |
||||||
|
} |
||||||
|
|
||||||
|
func (s *Suite) maliciousStatus(conn *Conn) error { |
||||||
|
if err := conn.handshake(); err != nil { |
||||||
|
return fmt.Errorf("handshake failed: %v", err) |
||||||
|
} |
||||||
|
status := &Status{ |
||||||
|
ProtocolVersion: uint32(conn.negotiatedProtoVersion), |
||||||
|
NetworkID: s.chain.chainConfig.ChainID.Uint64(), |
||||||
|
TD: largeNumber(2), |
||||||
|
Head: s.chain.blocks[s.chain.Len()-1].Hash(), |
||||||
|
Genesis: s.chain.blocks[0].Hash(), |
||||||
|
ForkID: s.chain.ForkID(), |
||||||
|
} |
||||||
|
// get status
|
||||||
|
msg, err := conn.statusExchange(s.chain, status) |
||||||
|
if err != nil { |
||||||
|
return fmt.Errorf("status exchange failed: %v", err) |
||||||
|
} |
||||||
|
switch msg := msg.(type) { |
||||||
|
case *Status: |
||||||
|
default: |
||||||
|
return fmt.Errorf("expected status, got: %#v ", msg) |
||||||
|
} |
||||||
|
// wait for disconnect
|
||||||
|
switch msg := conn.readAndServe(s.chain, timeout).(type) { |
||||||
|
case *Disconnect: |
||||||
|
return nil |
||||||
|
case *Error: |
||||||
|
return nil |
||||||
|
default: |
||||||
|
return fmt.Errorf("expected disconnect, got: %s", pretty.Sdump(msg)) |
||||||
|
} |
||||||
|
} |
||||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in new issue