mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-23 12:07:17 +00:00
122 lines
3.8 KiB
Go
122 lines
3.8 KiB
Go
/*
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Copyright 2022 Erigon-Lightclient contributors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"context"
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"fmt"
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"os"
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"github.com/ledgerwatch/erigon-lib/kv"
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"github.com/ledgerwatch/erigon-lib/kv/mdbx"
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"github.com/ledgerwatch/erigon-lib/kv/memdb"
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"github.com/ledgerwatch/log/v3"
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"github.com/urfave/cli/v2"
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"github.com/ledgerwatch/erigon/cl/cltypes"
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"github.com/ledgerwatch/erigon/cl/fork"
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"github.com/ledgerwatch/erigon/cmd/erigon-cl/core"
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"github.com/ledgerwatch/erigon/cmd/lightclient/lightclient"
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lcCli "github.com/ledgerwatch/erigon/cmd/sentinel/cli"
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"github.com/ledgerwatch/erigon/cmd/sentinel/cli/flags"
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"github.com/ledgerwatch/erigon/cmd/sentinel/sentinel"
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"github.com/ledgerwatch/erigon/cmd/sentinel/sentinel/handshake"
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"github.com/ledgerwatch/erigon/cmd/sentinel/sentinel/service"
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lightclientapp "github.com/ledgerwatch/erigon/turbo/app"
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)
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func main() {
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app := lightclientapp.MakeApp(runLightClientNode, flags.CLDefaultFlags)
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if err := app.Run(os.Args); err != nil {
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_, printErr := fmt.Fprintln(os.Stderr, err)
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if printErr != nil {
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log.Warn("Fprintln error", "err", printErr)
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}
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os.Exit(1)
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}
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}
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func runLightClientNode(cliCtx *cli.Context) error {
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ctx := context.Background()
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cfg, err := lcCli.SetupConsensusClientCfg(cliCtx)
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if err != nil {
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log.Error("[Lightclient] Could not initialize lightclient", "err", err)
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}
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log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(cfg.LogLvl), log.StderrHandler))
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log.Info("[LightClient]", "chain", cliCtx.String(flags.Chain.Name))
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log.Info("[LightClient] Running lightclient", "cfg", cfg)
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var db kv.RwDB
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if cfg.Chaindata == "" {
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log.Info("chaindata is in-memory")
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db = memdb.New()
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} else {
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db, err = mdbx.Open(cfg.Chaindata, log.Root(), false)
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if err != nil {
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return err
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}
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}
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state, err := core.RetrieveBeaconState(ctx, cfg.BeaconCfg, cfg.GenesisCfg, cfg.CheckpointUri)
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if err != nil {
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return err
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}
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forkDigest, err := fork.ComputeForkDigest(cfg.BeaconCfg, cfg.GenesisCfg)
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if err != nil {
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return err
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}
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sentinel, err := service.StartSentinelService(&sentinel.SentinelConfig{
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IpAddr: cfg.Addr,
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Port: int(cfg.Port),
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TCPPort: cfg.ServerTcpPort,
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GenesisConfig: cfg.GenesisCfg,
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NetworkConfig: cfg.NetworkCfg,
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BeaconConfig: cfg.BeaconCfg,
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NoDiscovery: cfg.NoDiscovery,
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}, db, &service.ServerConfig{Network: cfg.ServerProtocol, Addr: cfg.ServerAddr}, nil, &cltypes.Status{
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ForkDigest: forkDigest,
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FinalizedRoot: state.FinalizedCheckpoint().Root,
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FinalizedEpoch: state.FinalizedCheckpoint().Epoch,
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HeadSlot: state.FinalizedCheckpoint().Epoch * 32,
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HeadRoot: state.FinalizedCheckpoint().Root,
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}, handshake.LightClientRule)
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if err != nil {
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log.Error("Could not start sentinel", "err", err)
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}
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log.Info("Sentinel started", "addr", cfg.ServerAddr)
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tx, err := db.BeginRo(ctx)
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if err != nil {
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return err
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}
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tx.Rollback()
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if err != nil {
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log.Error("[Checkpoint Sync] Failed", "reason", err)
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return err
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}
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lc, err := lightclient.NewLightClient(ctx, db, cfg.GenesisCfg, cfg.BeaconCfg, nil, sentinel, 0, true)
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if err != nil {
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log.Error("Could not make Lightclient", "err", err)
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return err
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}
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if err := lc.BootstrapCheckpoint(ctx, state.FinalizedCheckpoint().Root); err != nil {
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log.Error("[Bootstrap] failed to bootstrap", "err", err)
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return err
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}
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lc.Start()
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return nil
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}
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