mirror of
https://github.com/ethereum/go-ethereum.git
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965bd6b6a0
In this PR, we add support for protocol version eth/70, defined by EIP-7975. Overall changes: - Each response is buffered in the peer’s receipt buffer when the `lastBlockIncomplete` field is true. - Continued request uses the same request id of its original request(`RequestPartialReceipts`). - Partial responses are verified in `validateLastBlockReceipt`. - Even if all receipts for partial blocks of the request are collected, those partial results are not sinked to the downloader, to avoid complexity. This assumes that partial response and buffering occur only in exceptional cases. --------- Co-authored-by: Gary Rong <garyrong0905@gmail.com> Co-authored-by: Felix Lange <fjl@twurst.com>
93 lines
3.2 KiB
Go
93 lines
3.2 KiB
Go
// Copyright 2020 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 eth
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import (
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"errors"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/forkid"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/enode"
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)
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// Tests that handshake failures are detected and reported correctly.
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func TestHandshake69(t *testing.T) { testHandshake(t, ETH69) }
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func testHandshake(t *testing.T, protocol uint) {
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t.Parallel()
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// Create a test backend only to have some valid genesis chain
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backend := newTestBackend(3)
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defer backend.close()
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var (
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genesis = backend.chain.Genesis()
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head = backend.chain.CurrentBlock()
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forkID = forkid.NewID(backend.chain.Config(), backend.chain.Genesis(), backend.chain.CurrentHeader().Number.Uint64(), backend.chain.CurrentHeader().Time)
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)
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tests := []struct {
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code uint64
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data interface{}
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want error
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}{
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{
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code: TransactionsMsg, data: []interface{}{},
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want: errNoStatusMsg,
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},
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{
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code: StatusMsg, data: StatusPacket{10, 1, genesis.Hash(), forkID, 0, head.Number.Uint64(), head.Hash()},
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want: errProtocolVersionMismatch,
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},
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{
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code: StatusMsg, data: StatusPacket{uint32(protocol), 999, genesis.Hash(), forkID, 0, head.Number.Uint64(), head.Hash()},
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want: errNetworkIDMismatch,
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},
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{
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code: StatusMsg, data: StatusPacket{uint32(protocol), 1, common.Hash{3}, forkID, 0, head.Number.Uint64(), head.Hash()},
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want: errGenesisMismatch,
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},
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{
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code: StatusMsg, data: StatusPacket{uint32(protocol), 1, genesis.Hash(), forkid.ID{Hash: [4]byte{0x00, 0x01, 0x02, 0x03}}, 0, head.Number.Uint64(), head.Hash()},
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want: errForkIDRejected,
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},
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{
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code: StatusMsg, data: StatusPacket{uint32(protocol), 1, genesis.Hash(), forkID, head.Number.Uint64() + 1, head.Number.Uint64(), head.Hash()},
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want: errInvalidBlockRange,
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},
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}
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for i, test := range tests {
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// Create the two peers to shake with each other
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app, net := p2p.MsgPipe()
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defer app.Close()
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defer net.Close()
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peer := NewPeer(protocol, p2p.NewPeer(enode.ID{}, "peer", nil), net, nil, nil)
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defer peer.Close()
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// Send the junk test with one peer, check the handshake failure
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go p2p.Send(app, test.code, test.data)
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err := peer.Handshake(1, backend.chain, BlockRangeUpdatePacket{})
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if err == nil {
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t.Errorf("test %d: protocol returned nil error, want %q", i, test.want)
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} else if !errors.Is(err, test.want) {
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t.Errorf("test %d: wrong error: got %q, want %q", i, err, test.want)
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}
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}
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}
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