cmd/swarm/swarm-smoke: sliding window test (#18967)
This commit is contained in:
Elad
Anton Evangelatov
267
cmd/swarm/swarm-smoke/util.go
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267
cmd/swarm/swarm-smoke/util.go
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// Copyright 2018 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"bytes"
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"context"
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"crypto/md5"
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crand "crypto/rand"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/http/httptrace"
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"os"
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"time"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/metrics"
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"github.com/ethereum/go-ethereum/swarm/api"
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"github.com/ethereum/go-ethereum/swarm/api/client"
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"github.com/ethereum/go-ethereum/swarm/spancontext"
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opentracing "github.com/opentracing/opentracing-go"
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cli "gopkg.in/urfave/cli.v1"
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)
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var (
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commandName = ""
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)
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func wrapCliCommand(name string, killOnTimeout bool, command func(*cli.Context) error) func(*cli.Context) error {
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return func(ctx *cli.Context) error {
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log.PrintOrigins(true)
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log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(verbosity), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
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defer func(now time.Time) {
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totalTime := time.Since(now)
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log.Info("total time", "time", totalTime)
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metrics.GetOrRegisterCounter(name+".total-time", nil).Inc(int64(totalTime))
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}(time.Now())
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log.Info("smoke test starting", "task", name, "timeout", timeout)
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commandName = name
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metrics.GetOrRegisterCounter(name, nil).Inc(1)
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errc := make(chan error)
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done := make(chan struct{})
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if killOnTimeout {
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go func() {
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<-time.After(time.Duration(timeout) * time.Second)
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close(done)
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}()
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}
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go func() {
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errc <- command(ctx)
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}()
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select {
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case err := <-errc:
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if err != nil {
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metrics.GetOrRegisterCounter(fmt.Sprintf("%s.fail", name), nil).Inc(1)
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}
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return err
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case <-done:
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metrics.GetOrRegisterCounter(fmt.Sprintf("%s.timeout", name), nil).Inc(1)
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return fmt.Errorf("timeout after %v sec", timeout)
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}
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}
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}
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func generateEndpoints(scheme string, cluster string, app string, from int, to int) {
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if cluster == "prod" {
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for port := from; port < to; port++ {
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endpoints = append(endpoints, fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, port))
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}
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} else if cluster == "private-internal" {
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for port := from; port < to; port++ {
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endpoints = append(endpoints, fmt.Sprintf("%s://swarm-private-internal-%v:8500", scheme, port))
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}
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} else {
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for port := from; port < to; port++ {
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endpoints = append(endpoints, fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, port, cluster))
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}
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}
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if includeLocalhost {
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endpoints = append(endpoints, "http://localhost:8500")
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}
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}
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//just use the first endpoint
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func generateEndpoint(scheme string, cluster string, app string, from int) string {
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if cluster == "prod" {
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return fmt.Sprintf("%s://%v.swarm-gateways.net", scheme, from)
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} else if cluster == "private-internal" {
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return fmt.Sprintf("%s://swarm-private-internal-%v:8500", scheme, from)
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} else {
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return fmt.Sprintf("%s://%s-%v-%s.stg.swarm-gateways.net", scheme, app, from, cluster)
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}
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}
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func fetchFeed(topic string, user string, endpoint string, original []byte, ruid string) error {
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ctx, sp := spancontext.StartSpan(context.Background(), "feed-and-sync.fetch")
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defer sp.Finish()
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log.Trace("sleeping", "ruid", ruid)
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time.Sleep(3 * time.Second)
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log.Trace("http get request (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user)
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var tn time.Time
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reqUri := endpoint + "/bzz-feed:/?topic=" + topic + "&user=" + user
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req, _ := http.NewRequest("GET", reqUri, nil)
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opentracing.GlobalTracer().Inject(
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sp.Context(),
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opentracing.HTTPHeaders,
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opentracing.HTTPHeadersCarrier(req.Header))
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trace := client.GetClientTrace("feed-and-sync - http get", "feed-and-sync", ruid, &tn)
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req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
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transport := http.DefaultTransport
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//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
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tn = time.Now()
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res, err := transport.RoundTrip(req)
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if err != nil {
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log.Error(err.Error(), "ruid", ruid)
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return err
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}
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log.Trace("http get response (feed)", "ruid", ruid, "api", endpoint, "topic", topic, "user", user, "code", res.StatusCode, "len", res.ContentLength)
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if res.StatusCode != 200 {
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return fmt.Errorf("expected status code %d, got %v (ruid %v)", 200, res.StatusCode, ruid)
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}
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defer res.Body.Close()
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rdigest, err := digest(res.Body)
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if err != nil {
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log.Warn(err.Error(), "ruid", ruid)
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return err
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}
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if !bytes.Equal(rdigest, original) {
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err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original)
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log.Warn(err.Error(), "ruid", ruid)
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return err
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}
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log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength)
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return nil
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}
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// fetch is getting the requested `hash` from the `endpoint` and compares it with the `original` file
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func fetch(hash string, endpoint string, original []byte, ruid string) error {
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ctx, sp := spancontext.StartSpan(context.Background(), "upload-and-sync.fetch")
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defer sp.Finish()
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log.Trace("http get request", "ruid", ruid, "api", endpoint, "hash", hash)
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var tn time.Time
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reqUri := endpoint + "/bzz:/" + hash + "/"
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req, _ := http.NewRequest("GET", reqUri, nil)
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opentracing.GlobalTracer().Inject(
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sp.Context(),
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opentracing.HTTPHeaders,
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opentracing.HTTPHeadersCarrier(req.Header))
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trace := client.GetClientTrace(commandName+" - http get", commandName, ruid, &tn)
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req = req.WithContext(httptrace.WithClientTrace(ctx, trace))
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transport := http.DefaultTransport
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//transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
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tn = time.Now()
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res, err := transport.RoundTrip(req)
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if err != nil {
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log.Error(err.Error(), "ruid", ruid)
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return err
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}
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log.Trace("http get response", "ruid", ruid, "api", endpoint, "hash", hash, "code", res.StatusCode, "len", res.ContentLength)
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if res.StatusCode != 200 {
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err := fmt.Errorf("expected status code %d, got %v", 200, res.StatusCode)
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log.Warn(err.Error(), "ruid", ruid)
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return err
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}
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defer res.Body.Close()
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rdigest, err := digest(res.Body)
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if err != nil {
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log.Warn(err.Error(), "ruid", ruid)
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return err
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}
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if !bytes.Equal(rdigest, original) {
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err := fmt.Errorf("downloaded imported file md5=%x is not the same as the generated one=%x", rdigest, original)
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log.Warn(err.Error(), "ruid", ruid)
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return err
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}
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log.Trace("downloaded file matches random file", "ruid", ruid, "len", res.ContentLength)
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return nil
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}
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// upload an arbitrary byte as a plaintext file to `endpoint` using the api client
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func upload(r io.Reader, size int, endpoint string) (string, error) {
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swarm := client.NewClient(endpoint)
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f := &client.File{
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ReadCloser: ioutil.NopCloser(r),
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ManifestEntry: api.ManifestEntry{
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ContentType: "text/plain",
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Mode: 0660,
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Size: int64(size),
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},
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}
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// upload data to bzz:// and retrieve the content-addressed manifest hash, hex-encoded.
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return swarm.Upload(f, "", false)
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}
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func digest(r io.Reader) ([]byte, error) {
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h := md5.New()
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_, err := io.Copy(h, r)
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if err != nil {
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return nil, err
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}
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return h.Sum(nil), nil
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}
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// generates random data in heap buffer
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func generateRandomData(datasize int) ([]byte, error) {
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b := make([]byte, datasize)
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c, err := crand.Read(b)
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if err != nil {
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return nil, err
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} else if c != datasize {
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return nil, errors.New("short read")
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}
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return b, nil
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}
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