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requestmanager_test.go
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package requestmanager
import (
"context"
"errors"
"fmt"
"sort"
"testing"
"time"
blocks "github.com/ipfs/go-block-format"
"github.com/ipld/go-ipld-prime"
cidlink "github.com/ipld/go-ipld-prime/linking/cid"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/stretchr/testify/require"
"github.com/ipfs/go-graphsync"
"github.com/ipfs/go-graphsync/cidset"
"github.com/ipfs/go-graphsync/dedupkey"
"github.com/ipfs/go-graphsync/listeners"
gsmsg "github.com/ipfs/go-graphsync/message"
"github.com/ipfs/go-graphsync/messagequeue"
"github.com/ipfs/go-graphsync/metadata"
"github.com/ipfs/go-graphsync/requestmanager/executor"
"github.com/ipfs/go-graphsync/requestmanager/hooks"
"github.com/ipfs/go-graphsync/requestmanager/testloader"
"github.com/ipfs/go-graphsync/requestmanager/types"
"github.com/ipfs/go-graphsync/taskqueue"
"github.com/ipfs/go-graphsync/testutil"
)
func TestNormalSimultaneousFetch(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
blockChain2 := testutil.SetupBlockChain(ctx, t, td.persistence, 100, 5)
returnedResponseChan1, returnedErrorChan1 := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
returnedResponseChan2, returnedErrorChan2 := td.requestManager.NewRequest(requestCtx, peers[0], blockChain2.TipLink, blockChain2.Selector())
requestRecords := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 2)
td.tcm.AssertProtected(t, peers[0])
td.tcm.AssertProtectedWithTags(t, peers[0], requestRecords[0].gsr.ID().Tag(), requestRecords[1].gsr.ID().Tag())
require.Equal(t, peers[0], requestRecords[0].p)
require.Equal(t, peers[0], requestRecords[1].p)
require.False(t, requestRecords[0].gsr.IsCancel())
require.False(t, requestRecords[1].gsr.IsCancel())
require.Equal(t, defaultPriority, requestRecords[0].gsr.Priority())
require.Equal(t, defaultPriority, requestRecords[1].gsr.Priority())
require.Equal(t, td.blockChain.TipLink.String(), requestRecords[0].gsr.Root().String())
require.Equal(t, td.blockChain.Selector(), requestRecords[0].gsr.Selector(), "did not encode selector properly")
require.Equal(t, blockChain2.TipLink.String(), requestRecords[1].gsr.Root().String())
require.Equal(t, blockChain2.Selector(), requestRecords[1].gsr.Selector(), "did not encode selector properly")
firstBlocks := append(td.blockChain.AllBlocks(), blockChain2.Blocks(0, 3)...)
firstMetadata1 := metadataForBlocks(td.blockChain.AllBlocks(), true)
firstMetadataEncoded1, err := metadata.EncodeMetadata(firstMetadata1)
require.NoError(t, err, "did not encode metadata")
firstMetadata2 := metadataForBlocks(blockChain2.Blocks(0, 3), true)
firstMetadataEncoded2, err := metadata.EncodeMetadata(firstMetadata2)
require.NoError(t, err, "did not encode metadata")
firstResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(requestRecords[0].gsr.ID(), graphsync.RequestCompletedFull, graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: firstMetadataEncoded1,
}),
gsmsg.NewResponse(requestRecords[1].gsr.ID(), graphsync.PartialResponse, graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: firstMetadataEncoded2,
}),
}
td.requestManager.ProcessResponses(peers[0], firstResponses, firstBlocks)
td.fal.VerifyLastProcessedBlocks(ctx, t, firstBlocks)
td.fal.VerifyLastProcessedResponses(ctx, t, map[graphsync.RequestID]metadata.Metadata{
requestRecords[0].gsr.ID(): firstMetadata1,
requestRecords[1].gsr.ID(): firstMetadata2,
})
td.fal.SuccessResponseOn(peers[0], requestRecords[0].gsr.ID(), td.blockChain.AllBlocks())
td.fal.SuccessResponseOn(peers[0], requestRecords[1].gsr.ID(), blockChain2.Blocks(0, 3))
td.blockChain.VerifyWholeChain(requestCtx, returnedResponseChan1)
blockChain2.VerifyResponseRange(requestCtx, returnedResponseChan2, 0, 3)
td.tcm.AssertProtected(t, peers[0])
td.tcm.RefuteProtectedWithTags(t, peers[0], requestRecords[0].gsr.ID().Tag())
td.tcm.AssertProtectedWithTags(t, peers[0], requestRecords[1].gsr.ID().Tag())
moreBlocks := blockChain2.RemainderBlocks(3)
moreMetadata := metadataForBlocks(moreBlocks, true)
moreMetadataEncoded, err := metadata.EncodeMetadata(moreMetadata)
require.NoError(t, err, "did not encode metadata")
moreResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(requestRecords[1].gsr.ID(), graphsync.RequestCompletedFull, graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: moreMetadataEncoded,
}),
}
td.requestManager.ProcessResponses(peers[0], moreResponses, moreBlocks)
td.fal.VerifyLastProcessedBlocks(ctx, t, moreBlocks)
td.fal.VerifyLastProcessedResponses(ctx, t, map[graphsync.RequestID]metadata.Metadata{
requestRecords[1].gsr.ID(): moreMetadata,
})
td.fal.SuccessResponseOn(peers[0], requestRecords[1].gsr.ID(), moreBlocks)
blockChain2.VerifyRemainder(requestCtx, returnedResponseChan2, 3)
testutil.VerifyEmptyErrors(requestCtx, t, returnedErrorChan1)
testutil.VerifyEmptyErrors(requestCtx, t, returnedErrorChan2)
td.tcm.RefuteProtected(t, peers[0])
}
func TestCancelRequestInProgress(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithCancel(ctx)
defer cancel()
requestCtx1, cancel1 := context.WithCancel(requestCtx)
requestCtx2, cancel2 := context.WithCancel(requestCtx)
defer cancel2()
peers := testutil.GeneratePeers(1)
returnedResponseChan1, returnedErrorChan1 := td.requestManager.NewRequest(requestCtx1, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
returnedResponseChan2, returnedErrorChan2 := td.requestManager.NewRequest(requestCtx2, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
requestRecords := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 2)
td.tcm.AssertProtected(t, peers[0])
td.tcm.AssertProtectedWithTags(t, peers[0], requestRecords[0].gsr.ID().Tag(), requestRecords[1].gsr.ID().Tag())
firstBlocks := td.blockChain.Blocks(0, 3)
firstMetadata := encodedMetadataForBlocks(t, firstBlocks, true)
firstResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(requestRecords[0].gsr.ID(), graphsync.PartialResponse, firstMetadata),
gsmsg.NewResponse(requestRecords[1].gsr.ID(), graphsync.PartialResponse, firstMetadata),
}
td.requestManager.ProcessResponses(peers[0], firstResponses, firstBlocks)
td.fal.SuccessResponseOn(peers[0], requestRecords[0].gsr.ID(), firstBlocks)
td.fal.SuccessResponseOn(peers[0], requestRecords[1].gsr.ID(), firstBlocks)
td.blockChain.VerifyResponseRange(requestCtx1, returnedResponseChan1, 0, 3)
cancel1()
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
require.True(t, rr.gsr.IsCancel())
require.Equal(t, requestRecords[0].gsr.ID(), rr.gsr.ID())
moreBlocks := td.blockChain.RemainderBlocks(3)
moreMetadata := encodedMetadataForBlocks(t, moreBlocks, true)
moreResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(requestRecords[0].gsr.ID(), graphsync.RequestCompletedFull, moreMetadata),
gsmsg.NewResponse(requestRecords[1].gsr.ID(), graphsync.RequestCompletedFull, moreMetadata),
}
td.requestManager.ProcessResponses(peers[0], moreResponses, moreBlocks)
td.fal.SuccessResponseOn(peers[0], requestRecords[0].gsr.ID(), moreBlocks)
td.fal.SuccessResponseOn(peers[0], requestRecords[1].gsr.ID(), moreBlocks)
testutil.VerifyEmptyResponse(requestCtx, t, returnedResponseChan1)
td.blockChain.VerifyWholeChain(requestCtx, returnedResponseChan2)
testutil.VerifyEmptyErrors(requestCtx, t, returnedErrorChan2)
errors := testutil.CollectErrors(requestCtx, t, returnedErrorChan1)
require.Len(t, errors, 1)
_, ok := errors[0].(graphsync.RequestClientCancelledErr)
require.True(t, ok)
td.tcm.RefuteProtected(t, peers[0])
}
func TestCancelRequestImperativeNoMoreBlocks(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
postCancel := make(chan struct{}, 1)
loadPostCancel := make(chan struct{}, 1)
td.fal.OnAsyncLoad(func(graphsync.RequestID, ipld.Link, <-chan types.AsyncLoadResult) {
select {
case <-postCancel:
loadPostCancel <- struct{}{}
default:
}
})
_, returnedErrorChan1 := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
requestRecords := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)
td.tcm.AssertProtected(t, peers[0])
td.tcm.AssertProtectedWithTags(t, peers[0], requestRecords[0].gsr.ID().Tag())
go func() {
firstBlocks := td.blockChain.Blocks(0, 3)
firstMetadata := encodedMetadataForBlocks(t, firstBlocks, true)
firstResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(requestRecords[0].gsr.ID(), graphsync.PartialResponse, firstMetadata),
}
td.requestManager.ProcessResponses(peers[0], firstResponses, firstBlocks)
td.fal.SuccessResponseOn(peers[0], requestRecords[0].gsr.ID(), firstBlocks)
}()
timeoutCtx, timeoutCancel := context.WithTimeout(ctx, time.Second)
defer timeoutCancel()
err := td.requestManager.CancelRequest(timeoutCtx, requestRecords[0].gsr.ID())
require.NoError(t, err)
postCancel <- struct{}{}
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
require.True(t, rr.gsr.IsCancel())
require.Equal(t, requestRecords[0].gsr.ID(), rr.gsr.ID())
td.tcm.RefuteProtected(t, peers[0])
errors := testutil.CollectErrors(requestCtx, t, returnedErrorChan1)
require.Len(t, errors, 1)
_, ok := errors[0].(graphsync.RequestClientCancelledErr)
require.True(t, ok)
select {
case <-loadPostCancel:
t.Fatalf("Loaded block after cancel")
case <-requestCtx.Done():
}
}
func TestCancelManagerExitsGracefully(t *testing.T) {
ctx := context.Background()
managerCtx, managerCancel := context.WithCancel(ctx)
td := newTestData(managerCtx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
returnedResponseChan, returnedErrorChan := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
firstBlocks := td.blockChain.Blocks(0, 3)
firstMetadata := encodedMetadataForBlocks(t, firstBlocks, true)
firstResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(rr.gsr.ID(), graphsync.PartialResponse, firstMetadata),
}
td.requestManager.ProcessResponses(peers[0], firstResponses, firstBlocks)
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), firstBlocks)
td.blockChain.VerifyResponseRange(ctx, returnedResponseChan, 0, 3)
managerCancel()
moreBlocks := td.blockChain.RemainderBlocks(3)
moreMetadata := encodedMetadataForBlocks(t, moreBlocks, true)
moreResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(rr.gsr.ID(), graphsync.RequestCompletedFull, moreMetadata),
}
td.requestManager.ProcessResponses(peers[0], moreResponses, moreBlocks)
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), moreBlocks)
testutil.VerifyEmptyResponse(requestCtx, t, returnedResponseChan)
testutil.VerifyEmptyErrors(requestCtx, t, returnedErrorChan)
}
func TestFailedRequest(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
returnedResponseChan, returnedErrorChan := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
td.tcm.AssertProtected(t, peers[0])
td.tcm.AssertProtectedWithTags(t, peers[0], rr.gsr.ID().Tag())
failedResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(rr.gsr.ID(), graphsync.RequestFailedContentNotFound),
}
td.requestManager.ProcessResponses(peers[0], failedResponses, nil)
testutil.VerifySingleTerminalError(requestCtx, t, returnedErrorChan)
testutil.VerifyEmptyResponse(requestCtx, t, returnedResponseChan)
td.tcm.RefuteProtected(t, peers[0])
}
func TestLocallyFulfilledFirstRequestFailsLater(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
returnedResponseChan, returnedErrorChan := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
// async loaded response responds immediately
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), td.blockChain.AllBlocks())
td.blockChain.VerifyWholeChain(requestCtx, returnedResponseChan)
// failure comes in later over network
failedResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(rr.gsr.ID(), graphsync.RequestFailedContentNotFound),
}
td.requestManager.ProcessResponses(peers[0], failedResponses, nil)
testutil.VerifyEmptyErrors(ctx, t, returnedErrorChan)
}
func TestLocallyFulfilledFirstRequestSucceedsLater(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
called := make(chan struct{})
td.responseHooks.Register(func(p peer.ID, response graphsync.ResponseData, hookActions graphsync.IncomingResponseHookActions) {
close(called)
})
returnedResponseChan, returnedErrorChan := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
// async loaded response responds immediately
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), td.blockChain.AllBlocks())
td.blockChain.VerifyWholeChain(requestCtx, returnedResponseChan)
md := encodedMetadataForBlocks(t, td.blockChain.AllBlocks(), true)
firstResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(rr.gsr.ID(), graphsync.RequestCompletedFull, md),
}
td.requestManager.ProcessResponses(peers[0], firstResponses, td.blockChain.AllBlocks())
td.fal.VerifyNoRemainingData(t, rr.gsr.ID())
testutil.VerifyEmptyErrors(ctx, t, returnedErrorChan)
testutil.AssertDoesReceive(requestCtx, t, called, "response hooks called for response")
}
func TestRequestReturnsMissingBlocks(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
returnedResponseChan, returnedErrorChan := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
md := encodedMetadataForBlocks(t, td.blockChain.AllBlocks(), false)
firstResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(rr.gsr.ID(), graphsync.RequestCompletedPartial, md),
}
td.requestManager.ProcessResponses(peers[0], firstResponses, nil)
for _, block := range td.blockChain.AllBlocks() {
td.fal.ResponseOn(peers[0], rr.gsr.ID(), cidlink.Link{Cid: block.Cid()}, types.AsyncLoadResult{Data: nil, Err: fmt.Errorf("Terrible Thing")})
}
testutil.VerifyEmptyResponse(ctx, t, returnedResponseChan)
errs := testutil.CollectErrors(ctx, t, returnedErrorChan)
require.NotEqual(t, len(errs), 0, "did not send errors")
}
func TestDisconnectNotification(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(2)
// Listen for network errors
networkErrors := make(chan peer.ID, 1)
td.networkErrorListeners.Register(func(p peer.ID, request graphsync.RequestData, err error) {
networkErrors <- p
})
// Send a request to the target peer
targetPeer := peers[0]
td.requestManager.NewRequest(requestCtx, targetPeer, td.blockChain.TipLink, td.blockChain.Selector())
// Disconnect a random peer, should not fire any events
randomPeer := peers[1]
td.requestManager.Disconnected(randomPeer)
select {
case <-networkErrors:
t.Fatal("should not fire network error when unrelated peer disconnects")
default:
}
// Disconnect the target peer, should fire a network error
td.requestManager.Disconnected(targetPeer)
select {
case p := <-networkErrors:
require.Equal(t, p, targetPeer)
default:
t.Fatal("should fire network error when peer disconnects")
}
}
func TestEncodingExtensions(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
expectedError := make(chan error, 2)
receivedExtensionData := make(chan []byte, 2)
expectedUpdateChan := make(chan []graphsync.ExtensionData, 2)
hook := func(p peer.ID, responseData graphsync.ResponseData, hookActions graphsync.IncomingResponseHookActions) {
data, has := responseData.Extension(td.extensionName1)
require.True(t, has, "did not receive extension data in response")
receivedExtensionData <- data
err := <-expectedError
if err != nil {
hookActions.TerminateWithError(err)
}
update := <-expectedUpdateChan
if len(update) > 0 {
hookActions.UpdateRequestWithExtensions(update...)
}
}
td.responseHooks.Register(hook)
returnedResponseChan, returnedErrorChan := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector(), td.extension1, td.extension2)
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
gsr := rr.gsr
returnedData1, found := gsr.Extension(td.extensionName1)
require.True(t, found)
require.Equal(t, td.extensionData1, returnedData1, "did not encode first extension correctly")
returnedData2, found := gsr.Extension(td.extensionName2)
require.True(t, found)
require.Equal(t, td.extensionData2, returnedData2, "did not encode second extension correctly")
t.Run("responding to extensions", func(t *testing.T) {
expectedData := testutil.RandomBytes(100)
expectedUpdate := testutil.RandomBytes(100)
firstResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(gsr.ID(),
graphsync.PartialResponse, graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: nil,
},
graphsync.ExtensionData{
Name: td.extensionName1,
Data: expectedData,
},
),
}
expectedError <- nil
expectedUpdateChan <- []graphsync.ExtensionData{
{
Name: td.extensionName1,
Data: expectedUpdate,
},
}
td.requestManager.ProcessResponses(peers[0], firstResponses, nil)
var received []byte
testutil.AssertReceive(ctx, t, receivedExtensionData, &received, "did not receive extension data")
require.Equal(t, expectedData, received, "did not receive correct extension data from resposne")
rr = readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
receivedUpdateData, has := rr.gsr.Extension(td.extensionName1)
require.True(t, has)
require.Equal(t, expectedUpdate, receivedUpdateData, "should have updated with correct extension")
nextExpectedData := testutil.RandomBytes(100)
nextExpectedUpdate1 := testutil.RandomBytes(100)
nextExpectedUpdate2 := testutil.RandomBytes(100)
secondResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(gsr.ID(),
graphsync.PartialResponse, graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: nil,
},
graphsync.ExtensionData{
Name: td.extensionName1,
Data: nextExpectedData,
},
),
}
expectedError <- errors.New("a terrible thing happened")
expectedUpdateChan <- []graphsync.ExtensionData{
{
Name: td.extensionName1,
Data: nextExpectedUpdate1,
},
{
Name: td.extensionName2,
Data: nextExpectedUpdate2,
},
}
td.requestManager.ProcessResponses(peers[0], secondResponses, nil)
testutil.AssertReceive(ctx, t, receivedExtensionData, &received, "did not receive extension data")
require.Equal(t, nextExpectedData, received, "did not receive correct extension data from resposne")
rr = readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
receivedUpdateData, has = rr.gsr.Extension(td.extensionName1)
require.True(t, has)
require.Equal(t, nextExpectedUpdate1, receivedUpdateData, "should have updated with correct extension")
receivedUpdateData, has = rr.gsr.Extension(td.extensionName2)
require.True(t, has)
require.Equal(t, nextExpectedUpdate2, receivedUpdateData, "should have updated with correct extension")
testutil.VerifySingleTerminalError(requestCtx, t, returnedErrorChan)
testutil.VerifyEmptyResponse(requestCtx, t, returnedResponseChan)
})
}
func TestBlockHooks(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithCancel(ctx)
defer cancel()
peers := testutil.GeneratePeers(1)
receivedBlocks := make(chan graphsync.BlockData, 4)
receivedResponses := make(chan graphsync.ResponseData, 4)
expectedError := make(chan error, 4)
expectedUpdateChan := make(chan []graphsync.ExtensionData, 4)
hook := func(p peer.ID, responseData graphsync.ResponseData, blockData graphsync.BlockData, hookActions graphsync.IncomingBlockHookActions) {
receivedBlocks <- blockData
receivedResponses <- responseData
err := <-expectedError
if err != nil {
hookActions.TerminateWithError(err)
}
update := <-expectedUpdateChan
if len(update) > 0 {
hookActions.UpdateRequestWithExtensions(update...)
}
}
td.blockHooks.Register(hook)
returnedResponseChan, returnedErrorChan := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector(), td.extension1, td.extension2)
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
gsr := rr.gsr
returnedData1, found := gsr.Extension(td.extensionName1)
require.True(t, found)
require.Equal(t, td.extensionData1, returnedData1, "did not encode first extension correctly")
returnedData2, found := gsr.Extension(td.extensionName2)
require.True(t, found)
require.Equal(t, td.extensionData2, returnedData2, "did not encode second extension correctly")
t.Run("responding to extensions", func(t *testing.T) {
expectedData := testutil.RandomBytes(100)
expectedUpdate := testutil.RandomBytes(100)
firstBlocks := td.blockChain.Blocks(0, 3)
firstMetadata := metadataForBlocks(firstBlocks, true)
firstMetadataEncoded, err := metadata.EncodeMetadata(firstMetadata)
require.NoError(t, err, "did not encode metadata")
firstResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(gsr.ID(),
graphsync.PartialResponse, graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: firstMetadataEncoded,
},
graphsync.ExtensionData{
Name: td.extensionName1,
Data: expectedData,
},
),
}
for i := range firstBlocks {
expectedError <- nil
var update []graphsync.ExtensionData
if i == len(firstBlocks)-1 {
update = []graphsync.ExtensionData{
{
Name: td.extensionName1,
Data: expectedUpdate,
},
}
}
expectedUpdateChan <- update
}
td.requestManager.ProcessResponses(peers[0], firstResponses, firstBlocks)
td.fal.VerifyLastProcessedBlocks(ctx, t, firstBlocks)
td.fal.VerifyLastProcessedResponses(ctx, t, map[graphsync.RequestID]metadata.Metadata{
rr.gsr.ID(): firstMetadata,
})
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), firstBlocks)
ur := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
receivedUpdateData, has := ur.gsr.Extension(td.extensionName1)
require.True(t, has)
require.Equal(t, expectedUpdate, receivedUpdateData, "should have updated with correct extension")
for _, blk := range firstBlocks {
var receivedResponse graphsync.ResponseData
testutil.AssertReceive(ctx, t, receivedResponses, &receivedResponse, "did not receive response data")
require.Equal(t, firstResponses[0].RequestID(), receivedResponse.RequestID(), "did not receive correct response ID")
require.Equal(t, firstResponses[0].Status(), receivedResponse.Status(), "did not receive correct response status")
metadata, has := receivedResponse.Extension(graphsync.ExtensionMetadata)
require.True(t, has)
require.Equal(t, firstMetadataEncoded, metadata, "should receive correct metadata")
receivedExtensionData, _ := receivedResponse.Extension(td.extensionName1)
require.Equal(t, expectedData, receivedExtensionData, "should receive correct response extension data")
var receivedBlock graphsync.BlockData
testutil.AssertReceive(ctx, t, receivedBlocks, &receivedBlock, "did not receive block data")
require.Equal(t, blk.Cid(), receivedBlock.Link().(cidlink.Link).Cid)
require.Equal(t, uint64(len(blk.RawData())), receivedBlock.BlockSize())
}
nextExpectedData := testutil.RandomBytes(100)
nextExpectedUpdate1 := testutil.RandomBytes(100)
nextExpectedUpdate2 := testutil.RandomBytes(100)
nextBlocks := td.blockChain.RemainderBlocks(3)
nextMetadata := metadataForBlocks(nextBlocks, true)
nextMetadataEncoded, err := metadata.EncodeMetadata(nextMetadata)
require.NoError(t, err)
secondResponses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(gsr.ID(),
graphsync.RequestCompletedFull, graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: nextMetadataEncoded,
},
graphsync.ExtensionData{
Name: td.extensionName1,
Data: nextExpectedData,
},
),
}
for i := range nextBlocks {
expectedError <- nil
var update []graphsync.ExtensionData
if i == len(nextBlocks)-1 {
update = []graphsync.ExtensionData{
{
Name: td.extensionName1,
Data: nextExpectedUpdate1,
},
{
Name: td.extensionName2,
Data: nextExpectedUpdate2,
},
}
}
expectedUpdateChan <- update
}
td.requestManager.ProcessResponses(peers[0], secondResponses, nextBlocks)
td.fal.VerifyLastProcessedBlocks(ctx, t, nextBlocks)
td.fal.VerifyLastProcessedResponses(ctx, t, map[graphsync.RequestID]metadata.Metadata{
rr.gsr.ID(): nextMetadata,
})
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), nextBlocks)
ur = readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
receivedUpdateData, has = ur.gsr.Extension(td.extensionName1)
require.True(t, has)
require.Equal(t, nextExpectedUpdate1, receivedUpdateData, "should have updated with correct extension")
receivedUpdateData, has = ur.gsr.Extension(td.extensionName2)
require.True(t, has)
require.Equal(t, nextExpectedUpdate2, receivedUpdateData, "should have updated with correct extension")
for _, blk := range nextBlocks {
var receivedResponse graphsync.ResponseData
testutil.AssertReceive(ctx, t, receivedResponses, &receivedResponse, "did not receive response data")
require.Equal(t, secondResponses[0].RequestID(), receivedResponse.RequestID(), "did not receive correct response ID")
require.Equal(t, secondResponses[0].Status(), receivedResponse.Status(), "did not receive correct response status")
metadata, has := receivedResponse.Extension(graphsync.ExtensionMetadata)
require.True(t, has)
require.Equal(t, nextMetadataEncoded, metadata, "should receive correct metadata")
receivedExtensionData, _ := receivedResponse.Extension(td.extensionName1)
require.Equal(t, nextExpectedData, receivedExtensionData, "should receive correct response extension data")
var receivedBlock graphsync.BlockData
testutil.AssertReceive(ctx, t, receivedBlocks, &receivedBlock, "did not receive block data")
require.Equal(t, blk.Cid(), receivedBlock.Link().(cidlink.Link).Cid)
require.Equal(t, uint64(len(blk.RawData())), receivedBlock.BlockSize())
}
testutil.VerifyEmptyErrors(requestCtx, t, returnedErrorChan)
td.blockChain.VerifyWholeChain(requestCtx, returnedResponseChan)
})
}
func TestOutgoingRequestHooks(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
hook := func(p peer.ID, r graphsync.RequestData, ha graphsync.OutgoingRequestHookActions) {
_, has := r.Extension(td.extensionName1)
if has {
ha.UseLinkTargetNodePrototypeChooser(td.blockChain.Chooser)
ha.UsePersistenceOption("chainstore")
}
}
td.requestHooks.Register(hook)
returnedResponseChan1, returnedErrorChan1 := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector(), td.extension1)
returnedResponseChan2, returnedErrorChan2 := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
requestRecords := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 2)
dedupData, has := requestRecords[0].gsr.Extension(graphsync.ExtensionDeDupByKey)
require.True(t, has)
key, err := dedupkey.DecodeDedupKey(dedupData)
require.NoError(t, err)
require.Equal(t, "chainstore", key)
md := metadataForBlocks(td.blockChain.AllBlocks(), true)
mdEncoded, err := metadata.EncodeMetadata(md)
require.NoError(t, err)
mdExt := graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: mdEncoded,
}
responses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(requestRecords[0].gsr.ID(), graphsync.RequestCompletedFull, mdExt),
gsmsg.NewResponse(requestRecords[1].gsr.ID(), graphsync.RequestCompletedFull, mdExt),
}
td.requestManager.ProcessResponses(peers[0], responses, td.blockChain.AllBlocks())
td.fal.VerifyLastProcessedBlocks(ctx, t, td.blockChain.AllBlocks())
td.fal.VerifyLastProcessedResponses(ctx, t, map[graphsync.RequestID]metadata.Metadata{
requestRecords[0].gsr.ID(): md,
requestRecords[1].gsr.ID(): md,
})
td.fal.SuccessResponseOn(peers[0], requestRecords[0].gsr.ID(), td.blockChain.AllBlocks())
td.fal.SuccessResponseOn(peers[0], requestRecords[1].gsr.ID(), td.blockChain.AllBlocks())
td.blockChain.VerifyWholeChainWithTypes(requestCtx, returnedResponseChan1)
td.blockChain.VerifyWholeChain(requestCtx, returnedResponseChan2)
testutil.VerifyEmptyErrors(ctx, t, returnedErrorChan1)
testutil.VerifyEmptyErrors(ctx, t, returnedErrorChan2)
td.fal.VerifyStoreUsed(t, requestRecords[0].gsr.ID(), "chainstore")
td.fal.VerifyStoreUsed(t, requestRecords[1].gsr.ID(), "")
}
type outgoingRequestProcessingEvent struct {
p peer.ID
request graphsync.RequestData
inProgressRequestCount int
}
func TestOutgoingRequestListeners(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(1)
// Listen for outgoing request starts
outgoingRequests := make(chan outgoingRequestProcessingEvent, 1)
td.outgoingRequestProcessingListeners.Register(func(p peer.ID, request graphsync.RequestData, inProgressRequestCount int) {
outgoingRequests <- outgoingRequestProcessingEvent{p, request, inProgressRequestCount}
})
returnedResponseChan1, returnedErrorChan1 := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector(), td.extension1)
requestRecords := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)
// Should have fired by now
select {
case or := <-outgoingRequests:
require.Equal(t, peers[0], or.p)
require.Equal(t, td.blockChain.Selector(), or.request.Selector())
require.Equal(t, td.blockChain.TipLink, cidlink.Link{Cid: or.request.Root()})
require.Equal(t, 1, or.inProgressRequestCount)
default:
t.Fatal("should fire outgoing request listener")
}
md := metadataForBlocks(td.blockChain.AllBlocks(), true)
mdEncoded, err := metadata.EncodeMetadata(md)
require.NoError(t, err)
mdExt := graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: mdEncoded,
}
responses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(requestRecords[0].gsr.ID(), graphsync.RequestCompletedFull, mdExt),
}
td.requestManager.ProcessResponses(peers[0], responses, td.blockChain.AllBlocks())
td.fal.VerifyLastProcessedBlocks(ctx, t, td.blockChain.AllBlocks())
td.fal.VerifyLastProcessedResponses(ctx, t, map[graphsync.RequestID]metadata.Metadata{
requestRecords[0].gsr.ID(): md,
})
td.fal.SuccessResponseOn(peers[0], requestRecords[0].gsr.ID(), td.blockChain.AllBlocks())
td.blockChain.VerifyWholeChain(requestCtx, returnedResponseChan1)
testutil.VerifyEmptyErrors(requestCtx, t, returnedErrorChan1)
}
func TestPauseResume(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithCancel(ctx)
defer cancel()
peers := testutil.GeneratePeers(1)
blocksReceived := 0
holdForResumeAttempt := make(chan struct{})
holdForPause := make(chan struct{})
pauseAt := 3
// setup hook to pause at 3rd block (and wait on second block for resume while unpaused test)
hook := func(p peer.ID, responseData graphsync.ResponseData, blockData graphsync.BlockData, hookActions graphsync.IncomingBlockHookActions) {
blocksReceived++
if blocksReceived == pauseAt-1 {
<-holdForResumeAttempt
}
if blocksReceived == pauseAt {
hookActions.PauseRequest()
close(holdForPause)
}
}
td.blockHooks.Register(hook)
// Start request
returnedResponseChan, returnedErrorChan := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
// Start processing responses
md := metadataForBlocks(td.blockChain.AllBlocks(), true)
mdEncoded, err := metadata.EncodeMetadata(md)
require.NoError(t, err)
responses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(rr.gsr.ID(), graphsync.RequestCompletedFull, graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: mdEncoded,
}),
}
td.requestManager.ProcessResponses(peers[0], responses, td.blockChain.AllBlocks())
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), td.blockChain.AllBlocks())
// attempt to unpause while request is not paused (note: hook on second block will keep it from
// reaching pause point)
err = td.requestManager.UnpauseRequest(rr.gsr.ID())
require.EqualError(t, err, "request is not paused")
close(holdForResumeAttempt)
// verify responses sent read ONLY for blocks BEFORE the pause
td.blockChain.VerifyResponseRange(ctx, returnedResponseChan, 0, pauseAt)
// wait for the pause to occur
<-holdForPause
// read the outgoing cancel request
pauseCancel := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
require.True(t, pauseCancel.gsr.IsCancel())
// verify no further responses come through
time.Sleep(100 * time.Millisecond)
testutil.AssertChannelEmpty(t, returnedResponseChan, "no response should be sent request is paused")
td.fal.CleanupRequest(peers[0], rr.gsr.ID())
// unpause
err = td.requestManager.UnpauseRequest(rr.gsr.ID(), td.extension1, td.extension2)
require.NoError(t, err)
// verify the correct new request with Do-no-send-cids & other extensions
resumedRequest := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
doNotSendCidsData, has := resumedRequest.gsr.Extension(graphsync.ExtensionDoNotSendCIDs)
doNotSendCids, err := cidset.DecodeCidSet(doNotSendCidsData)
require.NoError(t, err)
require.Equal(t, pauseAt, doNotSendCids.Len())
require.True(t, has)
ext1Data, has := resumedRequest.gsr.Extension(td.extensionName1)
require.True(t, has)
require.Equal(t, td.extensionData1, ext1Data)
ext2Data, has := resumedRequest.gsr.Extension(td.extensionName2)
require.True(t, has)
require.Equal(t, td.extensionData2, ext2Data)
// process responses
td.requestManager.ProcessResponses(peers[0], responses, td.blockChain.RemainderBlocks(pauseAt))
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), td.blockChain.AllBlocks())
// verify the correct results are returned, picking up after where there request was paused
td.blockChain.VerifyRemainder(ctx, returnedResponseChan, pauseAt)
testutil.VerifyEmptyErrors(ctx, t, returnedErrorChan)
}
func TestPauseResumeExternal(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithCancel(ctx)
defer cancel()
peers := testutil.GeneratePeers(1)
blocksReceived := 0
holdForPause := make(chan struct{})
pauseAt := 3
// setup hook to pause at 3rd block (and wait on second block for resume while unpaused test)
hook := func(p peer.ID, responseData graphsync.ResponseData, blockData graphsync.BlockData, hookActions graphsync.IncomingBlockHookActions) {
blocksReceived++
if blocksReceived == pauseAt {
err := td.requestManager.PauseRequest(responseData.RequestID())
require.NoError(t, err)
close(holdForPause)
}
}
td.blockHooks.Register(hook)
// Start request
returnedResponseChan, returnedErrorChan := td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
rr := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
// Start processing responses
md := metadataForBlocks(td.blockChain.AllBlocks(), true)
mdEncoded, err := metadata.EncodeMetadata(md)
require.NoError(t, err)
responses := []gsmsg.GraphSyncResponse{
gsmsg.NewResponse(rr.gsr.ID(), graphsync.RequestCompletedFull, graphsync.ExtensionData{
Name: graphsync.ExtensionMetadata,
Data: mdEncoded,
}),
}
td.requestManager.ProcessResponses(peers[0], responses, td.blockChain.AllBlocks())
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), td.blockChain.AllBlocks())
// verify responses sent read ONLY for blocks BEFORE the pause
td.blockChain.VerifyResponseRange(ctx, returnedResponseChan, 0, pauseAt)
// wait for the pause to occur
<-holdForPause
// read the outgoing cancel request
pauseCancel := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
require.True(t, pauseCancel.gsr.IsCancel())
// verify no further responses come through
time.Sleep(100 * time.Millisecond)
testutil.AssertChannelEmpty(t, returnedResponseChan, "no response should be sent request is paused")
td.fal.CleanupRequest(peers[0], rr.gsr.ID())
// unpause
err = td.requestManager.UnpauseRequest(rr.gsr.ID(), td.extension1, td.extension2)
require.NoError(t, err)
// verify the correct new request with Do-no-send-cids & other extensions
resumedRequest := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 1)[0]
doNotSendCidsData, has := resumedRequest.gsr.Extension(graphsync.ExtensionDoNotSendCIDs)
doNotSendCids, err := cidset.DecodeCidSet(doNotSendCidsData)
require.NoError(t, err)
require.Equal(t, pauseAt, doNotSendCids.Len())
require.True(t, has)
ext1Data, has := resumedRequest.gsr.Extension(td.extensionName1)
require.True(t, has)
require.Equal(t, td.extensionData1, ext1Data)
ext2Data, has := resumedRequest.gsr.Extension(td.extensionName2)
require.True(t, has)
require.Equal(t, td.extensionData2, ext2Data)
// process responses
td.requestManager.ProcessResponses(peers[0], responses, td.blockChain.RemainderBlocks(pauseAt))
td.fal.SuccessResponseOn(peers[0], rr.gsr.ID(), td.blockChain.AllBlocks())
// verify the correct results are returned, picking up after where there request was paused
td.blockChain.VerifyRemainder(ctx, returnedResponseChan, pauseAt)
testutil.VerifyEmptyErrors(ctx, t, returnedErrorChan)
}
func TestStats(t *testing.T) {
ctx := context.Background()
td := newTestData(ctx, t)
requestCtx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
peers := testutil.GeneratePeers(2)
blockChain2 := testutil.SetupBlockChain(ctx, t, td.persistence, 100, 5)
_, _ = td.requestManager.NewRequest(requestCtx, peers[0], td.blockChain.TipLink, td.blockChain.Selector())
_, _ = td.requestManager.NewRequest(requestCtx, peers[0], blockChain2.TipLink, blockChain2.Selector())
_, _ = td.requestManager.NewRequest(requestCtx, peers[1], td.blockChain.TipLink, td.blockChain.Selector())
requestRecords := readNNetworkRequests(requestCtx, t, td.requestRecordChan, 3)
peerState := td.requestManager.PeerState(peers[0])
require.Len(t, peerState.RequestStates, 2)
require.Equal(t, peerState.RequestStates[requestRecords[0].gsr.ID()], graphsync.Running)
require.Equal(t, peerState.RequestStates[requestRecords[1].gsr.ID()], graphsync.Running)