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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"flag"
"fmt"
"io"
"os"
"strings"
"time"
"github.com/algorand/go-deadlock"
"github.com/algorand/go-algorand/agreement"
"github.com/algorand/go-algorand/config"
"github.com/algorand/go-algorand/crypto"
"github.com/algorand/go-algorand/data/basics"
"github.com/algorand/go-algorand/data/transactions"
"github.com/algorand/go-algorand/logging"
"github.com/algorand/go-algorand/network"
"github.com/algorand/go-algorand/protocol"
)
var serverAddress = flag.String("server", "", "Server address (host:port)")
var genesisID = flag.String("genesis", "mainnet-v1.0", "Genesis ID")
var networkID = flag.String("network", "mainnet", "Network ID")
var tags = flag.String("tags", "*", "Comma-separated list of tags to dump, or * for all")
var longFlag = flag.Bool("long", false, "Print full-length addresses and digests")
type dumpHandler struct {
tags map[protocol.Tag]bool
}
func shortaddr(addr basics.Address) string {
if *longFlag {
return addr.String()
}
return fmt.Sprintf("%s..", addr.String()[0:8])
}
func shortdigest(d crypto.Digest) string {
if *longFlag {
return d.String()
}
return fmt.Sprintf("%s..", d.String()[0:8])
}
func (dh *dumpHandler) Handle(msg network.IncomingMessage) network.OutgoingMessage {
var src string
hp, ok := msg.Sender.(network.HTTPPeer)
if ok {
a := hp.GetAddress()
if a != *serverAddress {
src = " " + hp.GetAddress()
}
}
if dh.tags != nil && !dh.tags[msg.Tag] {
return network.OutgoingMessage{Action: network.Ignore}
}
ts := time.Now().Format("15:04:05.000000")
var data string
switch msg.Tag {
case protocol.AgreementVoteTag:
var v agreement.UnauthenticatedVote
err := protocol.Decode(msg.Data, &v)
if err != nil {
data = fmt.Sprintf("[decode error: %v]", err)
goto print
}
data = fmt.Sprintf("%d/%d/%d from %s for %s", v.R.Round, v.R.Period, v.R.Step, shortaddr(v.R.Sender), shortdigest(v.R.Proposal.BlockDigest))
case protocol.ProposalPayloadTag:
var p agreement.TransmittedPayload
err := protocol.Decode(msg.Data, &p)
if err != nil {
data = fmt.Sprintf("[decode error: %v]", err)
goto print
}
data = fmt.Sprintf("proposal %s", shortdigest(crypto.Digest(p.Block.Hash())))
case protocol.TxnTag:
dec := protocol.NewMsgpDecoderBytes(msg.Data)
for {
var stx transactions.SignedTxn
err := dec.Decode(&stx)
if err == io.EOF {
break
}
if err != nil {
data = fmt.Sprintf("[decode error: %v]", err)
goto print
}
if len(data) > 0 {
data = data + ", "
}
data = data + fmt.Sprintf("%s from %s", stx.Txn.Type, shortaddr(stx.Txn.Sender))
}
}
print:
fmt.Printf("%s%s %s [%d bytes] %s\n", ts, src, msg.Tag, len(msg.Data), data)
return network.OutgoingMessage{Action: network.Ignore}
}
func setDumpHandlers(n network.GossipNode) {
var dh dumpHandler
if *tags == "*" {
// Dump all tags: nil tags
} else if *tags == "" {
// Dump nothing: empty tags
dh.tags = make(map[protocol.Tag]bool)
} else {
dh.tags = make(map[protocol.Tag]bool)
for _, t := range strings.Split(*tags, ",") {
dh.tags[protocol.Tag(t)] = true
fmt.Printf("TAG <%s>\n", t)
}
}
h := []network.TaggedMessageHandler{
{Tag: protocol.AgreementVoteTag, MessageHandler: &dh},
{Tag: protocol.StateProofSigTag, MessageHandler: &dh},
{Tag: protocol.MsgOfInterestTag, MessageHandler: &dh},
{Tag: protocol.MsgDigestSkipTag, MessageHandler: &dh},
{Tag: protocol.NetPrioResponseTag, MessageHandler: &dh},
// {Tag: protocol.PingTag, MessageHandler: &dh},
// {Tag: protocol.PingReplyTag, MessageHandler: &dh},
{Tag: protocol.ProposalPayloadTag, MessageHandler: &dh},
{Tag: protocol.TopicMsgRespTag, MessageHandler: &dh},
{Tag: protocol.TxnTag, MessageHandler: &dh},
{Tag: protocol.UniEnsBlockReqTag, MessageHandler: &dh},
{Tag: protocol.VoteBundleTag, MessageHandler: &dh},
}
n.RegisterHandlers(h)
}
func main() {
log := logging.Base()
log.SetLevel(logging.Debug)
log.SetOutput(os.Stderr)
if *serverAddress == "" {
log.Infof("No server address specified; defaulting to DNS bootstrapping")
}
deadlock.Opts.Disable = true
flag.Parse()
conf, _ := config.LoadConfigFromDisk("/dev/null")
if *serverAddress != "" {
conf.DNSBootstrapID = ""
}
n, _ := network.NewWebsocketGossipNode(log,
conf,
[]string{*serverAddress},
*genesisID,
protocol.NetworkID(*networkID))
setDumpHandlers(n)
n.Start()
for {
time.Sleep(time.Second)
}
}
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