mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-26 21:27:19 +00:00
383 lines
12 KiB
Go
383 lines
12 KiB
Go
package sync
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"testing"
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"github.com/libp2p/go-libp2p-core/mux"
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"github.com/libp2p/go-libp2p-core/network"
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eth "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
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"github.com/prysmaticlabs/prysm/beacon-chain/p2p"
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p2ptest "github.com/prysmaticlabs/prysm/beacon-chain/p2p/testing"
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p2pTypes "github.com/prysmaticlabs/prysm/beacon-chain/p2p/types"
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pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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"github.com/prysmaticlabs/prysm/shared/params"
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"github.com/prysmaticlabs/prysm/shared/testutil"
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"github.com/prysmaticlabs/prysm/shared/testutil/assert"
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"github.com/prysmaticlabs/prysm/shared/testutil/require"
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)
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func TestSendRequest_SendBeaconBlocksByRangeRequest(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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pcl := fmt.Sprintf("%s/ssz_snappy", p2p.RPCBlocksByRangeTopic)
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t.Run("stream error", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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// Bogus peer doesn't support a given protocol, so stream error is expected.
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bogusPeer := p2ptest.NewTestP2P(t)
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p1.Connect(bogusPeer)
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req := &pb.BeaconBlocksByRangeRequest{}
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_, err := SendBeaconBlocksByRangeRequest(ctx, p1, bogusPeer.PeerID(), req, nil)
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assert.ErrorContains(t, "protocol not supported", err)
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})
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knownBlocks := make([]*eth.SignedBeaconBlock, 0)
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genesisBlk := testutil.NewBeaconBlock()
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genesisBlkRoot, err := genesisBlk.Block.HashTreeRoot()
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require.NoError(t, err)
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parentRoot := genesisBlkRoot
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for i := 0; i < 255; i++ {
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blk := testutil.NewBeaconBlock()
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blk.Block.Slot = uint64(i)
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blk.Block.ParentRoot = parentRoot[:]
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knownBlocks = append(knownBlocks, blk)
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parentRoot, err = blk.Block.HashTreeRoot()
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require.NoError(t, err)
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}
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knownBlocksProvider := func(p2pProvider p2p.P2P, processor BeaconBlockProcessor) func(stream network.Stream) {
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return func(stream network.Stream) {
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defer func() {
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assert.NoError(t, stream.Close())
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}()
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req := &pb.BeaconBlocksByRangeRequest{}
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assert.NoError(t, p2pProvider.Encoding().DecodeWithMaxLength(stream, req))
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for i := req.StartSlot; i < req.StartSlot+req.Count*req.Step; i += req.Step {
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if processor != nil {
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if processorErr := processor(knownBlocks[i]); processorErr != nil {
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if errors.Is(processorErr, io.EOF) {
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// Close stream, w/o any errors written.
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return
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}
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_, err := stream.Write([]byte{0x01})
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assert.NoError(t, err)
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msg := p2pTypes.ErrorMessage(processorErr.Error())
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_, err = p2pProvider.Encoding().EncodeWithMaxLength(stream, &msg)
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assert.NoError(t, err)
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return
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}
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}
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if i >= uint64(len(knownBlocks)) {
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break
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}
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err = WriteChunk(stream, p2pProvider.Encoding(), knownBlocks[i])
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if err != nil && err.Error() != mux.ErrReset.Error() {
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require.NoError(t, err)
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}
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}
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}
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}
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t.Run("no block processor", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, nil))
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req := &pb.BeaconBlocksByRangeRequest{
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StartSlot: 20,
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Count: 128,
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Step: 1,
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}
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blocks, err := SendBeaconBlocksByRangeRequest(ctx, p1, p2.PeerID(), req, nil)
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assert.NoError(t, err)
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assert.Equal(t, 128, len(blocks))
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})
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t.Run("has block processor - no errors", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, nil))
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// No error from block processor.
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req := &pb.BeaconBlocksByRangeRequest{
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StartSlot: 20,
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Count: 128,
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Step: 1,
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}
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blocksFromProcessor := make([]*eth.SignedBeaconBlock, 0)
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blocks, err := SendBeaconBlocksByRangeRequest(ctx, p1, p2.PeerID(), req, func(block *eth.SignedBeaconBlock) error {
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blocksFromProcessor = append(blocksFromProcessor, block)
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return nil
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})
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assert.NoError(t, err)
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assert.Equal(t, 128, len(blocks))
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assert.DeepEqual(t, blocks, blocksFromProcessor)
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})
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t.Run("has block processor - throw error", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, nil))
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// Send error from block processor.
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req := &pb.BeaconBlocksByRangeRequest{
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StartSlot: 20,
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Count: 128,
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Step: 1,
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}
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errFromProcessor := errors.New("processor error")
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_, err := SendBeaconBlocksByRangeRequest(ctx, p1, p2.PeerID(), req, func(block *eth.SignedBeaconBlock) error {
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return errFromProcessor
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})
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assert.ErrorContains(t, errFromProcessor.Error(), err)
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})
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t.Run("max request blocks", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, nil))
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// No cap on max roots.
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req := &pb.BeaconBlocksByRangeRequest{
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StartSlot: 20,
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Count: 128,
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Step: 1,
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}
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blocks, err := SendBeaconBlocksByRangeRequest(ctx, p1, p2.PeerID(), req, nil)
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assert.NoError(t, err)
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assert.Equal(t, 128, len(blocks))
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// Cap max returned roots.
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cfg := params.BeaconNetworkConfig().Copy()
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maxRequestBlocks := cfg.MaxRequestBlocks
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defer func() {
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cfg.MaxRequestBlocks = maxRequestBlocks
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params.OverrideBeaconNetworkConfig(cfg)
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}()
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blocks, err = SendBeaconBlocksByRangeRequest(ctx, p1, p2.PeerID(), req, func(block *eth.SignedBeaconBlock) error {
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// Since ssz checks the boundaries, and doesn't normally allow to send requests bigger than
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// the max request size, we are updating max request size dynamically. Even when updated dynamically,
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// no more than max request size of blocks is expected on return.
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cfg.MaxRequestBlocks = 3
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params.OverrideBeaconNetworkConfig(cfg)
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return nil
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})
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assert.ErrorContains(t, ErrInvalidFetchedData.Error(), err)
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assert.Equal(t, 0, len(blocks))
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})
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t.Run("process custom error", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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blocksProcessed := 0
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expectedErr := errors.New("some error")
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, func(block *eth.SignedBeaconBlock) error {
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if blocksProcessed > 2 {
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return expectedErr
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}
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blocksProcessed++
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return nil
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}))
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req := &pb.BeaconBlocksByRangeRequest{
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StartSlot: 20,
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Count: 128,
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Step: 1,
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}
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blocks, err := SendBeaconBlocksByRangeRequest(ctx, p1, p2.PeerID(), req, nil)
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assert.ErrorContains(t, expectedErr.Error(), err)
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assert.Equal(t, 0, len(blocks))
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})
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}
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func TestSendRequest_SendBeaconBlocksByRootRequest(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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pcl := fmt.Sprintf("%s/ssz_snappy", p2p.RPCBlocksByRootTopic)
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knownBlocks := make(map[[32]byte]*eth.SignedBeaconBlock)
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knownRoots := make([][32]byte, 0)
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for i := 0; i < 5; i++ {
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blk := testutil.NewBeaconBlock()
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blkRoot, err := blk.Block.HashTreeRoot()
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require.NoError(t, err)
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knownRoots = append(knownRoots, blkRoot)
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knownBlocks[knownRoots[len(knownRoots)-1]] = blk
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}
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t.Run("stream error", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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// Bogus peer doesn't support a given protocol, so stream error is expected.
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bogusPeer := p2ptest.NewTestP2P(t)
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p1.Connect(bogusPeer)
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req := &p2pTypes.BeaconBlockByRootsReq{}
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_, err := SendBeaconBlocksByRootRequest(ctx, p1, bogusPeer.PeerID(), req, nil)
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assert.ErrorContains(t, "protocol not supported", err)
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})
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knownBlocksProvider := func(p2pProvider p2p.P2P, processor BeaconBlockProcessor) func(stream network.Stream) {
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return func(stream network.Stream) {
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defer func() {
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assert.NoError(t, stream.Close())
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}()
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req := new(p2pTypes.BeaconBlockByRootsReq)
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assert.NoError(t, p2pProvider.Encoding().DecodeWithMaxLength(stream, req))
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if len(*req) == 0 {
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return
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}
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for _, root := range *req {
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if blk, ok := knownBlocks[root]; ok {
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if processor != nil {
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if processorErr := processor(blk); processorErr != nil {
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if errors.Is(processorErr, io.EOF) {
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// Close stream, w/o any errors written.
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return
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}
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_, err := stream.Write([]byte{0x01})
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assert.NoError(t, err)
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msg := p2pTypes.ErrorMessage(processorErr.Error())
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_, err = p2pProvider.Encoding().EncodeWithMaxLength(stream, &msg)
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assert.NoError(t, err)
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return
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}
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}
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_, err := stream.Write([]byte{0x00})
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assert.NoError(t, err, "Could not write to stream")
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_, err = p2pProvider.Encoding().EncodeWithMaxLength(stream, blk)
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assert.NoError(t, err, "Could not send response back")
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}
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}
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}
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}
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t.Run("no block processor", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, nil))
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req := &p2pTypes.BeaconBlockByRootsReq{knownRoots[0], knownRoots[1]}
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blocks, err := SendBeaconBlocksByRootRequest(ctx, p1, p2.PeerID(), req, nil)
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assert.NoError(t, err)
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assert.Equal(t, 2, len(blocks))
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})
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t.Run("has block processor - no errors", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, nil))
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// No error from block processor.
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req := &p2pTypes.BeaconBlockByRootsReq{knownRoots[0], knownRoots[1]}
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blocksFromProcessor := make([]*eth.SignedBeaconBlock, 0)
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blocks, err := SendBeaconBlocksByRootRequest(ctx, p1, p2.PeerID(), req, func(block *eth.SignedBeaconBlock) error {
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blocksFromProcessor = append(blocksFromProcessor, block)
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return nil
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})
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assert.NoError(t, err)
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assert.Equal(t, 2, len(blocks))
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assert.DeepEqual(t, blocks, blocksFromProcessor)
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})
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t.Run("has block processor - throw error", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, nil))
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// Send error from block processor.
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req := &p2pTypes.BeaconBlockByRootsReq{knownRoots[0], knownRoots[1]}
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errFromProcessor := errors.New("processor error")
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_, err := SendBeaconBlocksByRootRequest(ctx, p1, p2.PeerID(), req, func(block *eth.SignedBeaconBlock) error {
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return errFromProcessor
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})
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assert.ErrorContains(t, errFromProcessor.Error(), err)
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})
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t.Run("max request blocks", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, nil))
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// No cap on max roots.
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req := &p2pTypes.BeaconBlockByRootsReq{knownRoots[0], knownRoots[1], knownRoots[2], knownRoots[3]}
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blocks, err := SendBeaconBlocksByRootRequest(ctx, p1, p2.PeerID(), req, nil)
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assert.NoError(t, err)
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assert.Equal(t, 4, len(blocks))
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// Cap max returned roots.
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cfg := params.BeaconNetworkConfig().Copy()
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maxRequestBlocks := cfg.MaxRequestBlocks
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defer func() {
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cfg.MaxRequestBlocks = maxRequestBlocks
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params.OverrideBeaconNetworkConfig(cfg)
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}()
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blocks, err = SendBeaconBlocksByRootRequest(ctx, p1, p2.PeerID(), req, func(block *eth.SignedBeaconBlock) error {
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// Since ssz checks the boundaries, and doesn't normally allow to send requests bigger than
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// the max request size, we are updating max request size dynamically. Even when updated dynamically,
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// no more than max request size of blocks is expected on return.
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cfg.MaxRequestBlocks = 3
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params.OverrideBeaconNetworkConfig(cfg)
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return nil
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})
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assert.NoError(t, err)
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assert.Equal(t, 3, len(blocks))
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})
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t.Run("process custom error", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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blocksProcessed := 0
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expectedErr := errors.New("some error")
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, func(block *eth.SignedBeaconBlock) error {
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if blocksProcessed > 2 {
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return expectedErr
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}
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blocksProcessed++
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return nil
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}))
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req := &p2pTypes.BeaconBlockByRootsReq{knownRoots[0], knownRoots[1], knownRoots[2], knownRoots[3]}
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blocks, err := SendBeaconBlocksByRootRequest(ctx, p1, p2.PeerID(), req, nil)
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assert.ErrorContains(t, expectedErr.Error(), err)
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assert.Equal(t, 0, len(blocks))
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})
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t.Run("process io.EOF error", func(t *testing.T) {
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p1 := p2ptest.NewTestP2P(t)
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p2 := p2ptest.NewTestP2P(t)
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p1.Connect(p2)
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blocksProcessed := 0
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expectedErr := io.EOF
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p2.SetStreamHandler(pcl, knownBlocksProvider(p2, func(block *eth.SignedBeaconBlock) error {
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if blocksProcessed > 2 {
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return expectedErr
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}
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blocksProcessed++
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return nil
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}))
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req := &p2pTypes.BeaconBlockByRootsReq{knownRoots[0], knownRoots[1], knownRoots[2], knownRoots[3]}
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blocks, err := SendBeaconBlocksByRootRequest(ctx, p1, p2.PeerID(), req, nil)
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assert.NoError(t, err)
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assert.Equal(t, 3, len(blocks))
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})
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}
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