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>
90 lines
2.5 KiB
Go
90 lines
2.5 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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// This file contains some shares testing functionality, common to multiple
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// different files and modules being tested.
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package eth
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import (
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"crypto/rand"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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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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// testPeer is a simulated peer to allow testing direct network calls.
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type testPeer struct {
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*Peer
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net p2p.MsgReadWriter // Network layer reader/writer to simulate remote messaging
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app *p2p.MsgPipeRW // Application layer reader/writer to simulate the local side
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}
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// newTestPeer creates a new peer registered at the given data backend.
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func newTestPeer(name string, version uint, backend Backend) (*testPeer, <-chan error) {
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// Create a message pipe to communicate through
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app, net := p2p.MsgPipe()
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// Start the peer on a new thread
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var id enode.ID
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rand.Read(id[:])
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peer := NewPeer(version, p2p.NewPeer(id, name, nil), net, backend.TxPool(), nil)
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errc := make(chan error, 1)
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go func() {
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defer app.Close()
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errc <- backend.RunPeer(peer, func(peer *Peer) error {
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return Handle(backend, peer)
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})
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}()
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return &testPeer{app: app, net: net, Peer: peer}, errc
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}
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// close terminates the local side of the peer, notifying the remote protocol
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// manager of termination.
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func (p *testPeer) close() {
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p.Peer.Close()
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p.app.Close()
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}
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func TestPeerSet(t *testing.T) {
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size := 5
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s := newKnownCache(size)
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// add 10 items
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for i := 0; i < size*2; i++ {
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s.Add(common.Hash{byte(i)})
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}
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if s.Cardinality() != size {
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t.Fatalf("wrong size, expected %d but found %d", size, s.Cardinality())
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}
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vals := []common.Hash{}
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for i := 10; i < 20; i++ {
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vals = append(vals, common.Hash{byte(i)})
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}
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// add item in batch
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s.Add(vals...)
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if s.Cardinality() < size {
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t.Fatalf("bad size")
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}
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}
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