erigon-pulse/cmd/lightclient/main.go

113 lines
3.8 KiB
Go

/*
Copyright 2022 Erigon-Lightclient contributors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import (
"context"
"fmt"
"os"
"github.com/ledgerwatch/erigon-lib/gointerfaces/remote"
"github.com/ledgerwatch/log/v3"
"github.com/urfave/cli/v2"
"google.golang.org/grpc"
"github.com/ledgerwatch/erigon/cl/cltypes"
"github.com/ledgerwatch/erigon/cl/fork"
"github.com/ledgerwatch/erigon/cmd/erigon-cl/core"
"github.com/ledgerwatch/erigon/cmd/lightclient/lightclient"
lcCli "github.com/ledgerwatch/erigon/cmd/sentinel/cli"
"github.com/ledgerwatch/erigon/cmd/sentinel/cli/flags"
"github.com/ledgerwatch/erigon/cmd/sentinel/sentinel"
"github.com/ledgerwatch/erigon/cmd/sentinel/sentinel/handshake"
"github.com/ledgerwatch/erigon/cmd/sentinel/sentinel/service"
lightclientapp "github.com/ledgerwatch/erigon/turbo/app"
)
func main() {
app := lightclientapp.MakeApp(runLightClientNode, flags.LCDefaultFlags)
if err := app.Run(os.Args); err != nil {
_, printErr := fmt.Fprintln(os.Stderr, err)
if printErr != nil {
log.Warn("Fprintln error", "err", printErr)
}
os.Exit(1)
}
}
func runLightClientNode(cliCtx *cli.Context) error {
ctx := context.Background()
cfg, err := lcCli.SetupConsensusClientCfg(cliCtx)
if err != nil {
log.Error("[Lightclient] Could not initialize lightclient", "err", err)
}
log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(cfg.LogLvl), log.StderrHandler))
log.Info("[LightClient]", "chain", cliCtx.String(flags.Chain.Name))
log.Info("[LightClient] Running lightclient", "cfg", cfg)
state, err := core.RetrieveBeaconState(ctx, cfg.BeaconCfg, cfg.GenesisCfg, cfg.CheckpointUri)
if err != nil {
return err
}
forkDigest, err := fork.ComputeForkDigest(cfg.BeaconCfg, cfg.GenesisCfg)
if err != nil {
return err
}
sentinel, err := service.StartSentinelService(&sentinel.SentinelConfig{
IpAddr: cfg.Addr,
Port: int(cfg.Port),
TCPPort: cfg.ServerTcpPort,
GenesisConfig: cfg.GenesisCfg,
NetworkConfig: cfg.NetworkCfg,
BeaconConfig: cfg.BeaconCfg,
NoDiscovery: cfg.NoDiscovery,
}, nil, &service.ServerConfig{Network: cfg.ServerProtocol, Addr: cfg.ServerAddr}, nil, &cltypes.Status{
ForkDigest: forkDigest,
FinalizedRoot: state.FinalizedCheckpoint().Root,
FinalizedEpoch: state.FinalizedCheckpoint().Epoch,
HeadSlot: state.FinalizedCheckpoint().Epoch * cfg.BeaconCfg.SlotsPerEpoch,
HeadRoot: state.FinalizedCheckpoint().Root,
}, handshake.LightClientRule)
if err != nil {
log.Error("Could not start sentinel", "err", err)
}
log.Info("Sentinel started", "addr", cfg.ServerAddr)
if err != nil {
log.Error("[Checkpoint Sync] Failed", "reason", err)
return err
}
var execution remote.ETHBACKENDClient
if cfg.ErigonPrivateApi != "" {
cc, err := grpc.Dial(cfg.ErigonPrivateApi, grpc.WithInsecure())
if err != nil {
log.Error("could not connect to erigon private api", "err", err)
}
defer cc.Close()
execution = remote.NewETHBACKENDClient(cc)
}
lc, err := lightclient.NewLightClient(ctx, cfg.GenesisCfg, cfg.BeaconCfg, nil, execution, sentinel, 0, true)
if err != nil {
log.Error("Could not make Lightclient", "err", err)
return err
}
if err := lc.BootstrapCheckpoint(ctx, state.FinalizedCheckpoint().Root); err != nil {
log.Error("[Bootstrap] failed to bootstrap", "err", err)
return err
}
lc.Start()
return nil
}