erigon-pulse/cmd/rpcdaemon/commands/eth_subscribe_test.go

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package commands
import (
"testing"
"github.com/ledgerwatch/erigon-lib/gointerfaces/sentry"
"github.com/ledgerwatch/erigon/cmd/rpcdaemon/filters"
"github.com/ledgerwatch/erigon/cmd/rpcdaemon/rpcdaemontest"
"github.com/ledgerwatch/erigon/cmd/rpcdaemon/services"
"github.com/ledgerwatch/erigon/common"
"github.com/ledgerwatch/erigon/core"
"github.com/ledgerwatch/erigon/core/types"
"github.com/ledgerwatch/erigon/eth/protocols/eth"
"github.com/ledgerwatch/erigon/rlp"
"github.com/ledgerwatch/erigon/turbo/snapshotsync"
"github.com/ledgerwatch/erigon/turbo/stages"
"github.com/stretchr/testify/require"
)
func TestEthSubscribe(t *testing.T) {
m, require := stages.Mock(t), require.New(t)
chain, err := core.GenerateChain(m.ChainConfig, m.Genesis, m.Engine, m.DB, 42, func(i int, b *core.BlockGen) {
b.SetCoinbase(common.Address{1})
}, false /* intemediateHashes */)
require.NoError(err)
b, err := rlp.EncodeToBytes(&eth.BlockHeadersPacket66{
RequestId: 1,
BlockHeadersPacket: chain.Headers,
})
require.NoError(err)
m.ReceiveWg.Add(1)
for _, err = range m.Send(&sentry.InboundMessage{Id: sentry.MessageId_BLOCK_HEADERS_66, Data: b, PeerId: m.PeerId}) {
require.NoError(err)
}
m.ReceiveWg.Wait() // Wait for all messages to be processed before we proceeed
ctx, conn := rpcdaemontest.CreateTestGrpcConn(t, m)
backend := services.NewRemoteBackend(conn, m.DB, snapshotsync.NewBlockReader())
ff := filters.New(ctx, backend, nil, nil)
newHeads := make(chan *types.Header)
defer close(newHeads)
id := ff.SubscribeNewHeads(newHeads)
defer ff.UnsubscribeHeads(id)
initialCycle := true
highestSeenHeader := chain.TopBlock.NumberU64()
if _, err := stages.StageLoopStep(m.Ctx, m.DB, m.Sync, highestSeenHeader, m.Notifications, initialCycle, m.UpdateHead, nil); err != nil {
t.Fatal(err)
}
for i := uint64(1); i <= highestSeenHeader; i++ {
header := <-newHeads
require.Equal(header.Number.Uint64(), i)
}
}