565 lines
20 KiB
Go
565 lines
20 KiB
Go
// Copyright © 2020 Vulcanize, Inc
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero 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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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"encoding/json"
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"errors"
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"math"
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"net/http"
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"net/url"
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"os"
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"os/signal"
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"strings"
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"sync"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/statediff"
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sdtypes "github.com/ethereum/go-ethereum/statediff/types"
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"github.com/mailgun/groupcache/v2"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/vulcanize/gap-filler/pkg/mux"
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"github.com/vulcanize/ipld-eth-server/pkg/eth"
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"github.com/vulcanize/ipld-eth-server/pkg/graphql"
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srpc "github.com/vulcanize/ipld-eth-server/pkg/rpc"
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s "github.com/vulcanize/ipld-eth-server/pkg/serve"
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v "github.com/vulcanize/ipld-eth-server/version"
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)
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var ErrNoRpcEndpoints = errors.New("no rpc endpoints is available")
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// serveCmd represents the serve command
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var serveCmd = &cobra.Command{
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Use: "serve",
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Short: "serve chain data from PG-IPFS",
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Long: `This command configures a VulcanizeDB ipld-eth-server.
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`,
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Run: func(cmd *cobra.Command, args []string) {
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subCommand = cmd.CalledAs()
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logWithCommand = *log.WithField("SubCommand", subCommand)
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serve()
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},
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}
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func serve() {
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logWithCommand.Infof("running ipld-eth-server version: %s", v.VersionWithMeta)
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var forwardPayloadChan chan eth.ConvertedPayload
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wg := new(sync.WaitGroup)
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logWithCommand.Debug("loading server configuration variables")
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serverConfig, err := s.NewConfig()
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if err != nil {
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logWithCommand.Fatal(err)
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}
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logWithCommand.Infof("server config: %+v", serverConfig)
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logWithCommand.Debug("initializing new server service")
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server, err := s.NewServer(serverConfig)
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if err != nil {
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logWithCommand.Fatal(err)
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}
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logWithCommand.Info("starting up server servers")
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forwardPayloadChan = make(chan eth.ConvertedPayload, s.PayloadChanBufferSize)
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server.Serve(wg, forwardPayloadChan)
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if err := startServers(server, serverConfig); err != nil {
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logWithCommand.Fatal(err)
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}
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graphQL, err := startEthGraphQL(server, serverConfig)
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if err != nil {
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logWithCommand.Fatal(err)
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}
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err = startIpldGraphQL(serverConfig)
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if err != nil {
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logWithCommand.Fatal(err)
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}
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err = startGroupCacheService(serverConfig)
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if err != nil {
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logWithCommand.Fatal(err)
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}
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if serverConfig.StateValidationEnabled {
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go startStateTrieValidator(serverConfig, server)
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logWithCommand.Info("state validator enabled")
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} else {
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logWithCommand.Info("state validator disabled")
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}
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if serverConfig.WatchedAddressGapFillerEnabled {
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go startWatchedAddressGapFiller(serverConfig)
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logWithCommand.Info("watched address gap filler enabled")
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} else {
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logWithCommand.Info("watched address gap filler disabled")
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}
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shutdown := make(chan os.Signal, 1)
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signal.Notify(shutdown, os.Interrupt)
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<-shutdown
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if graphQL != nil {
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graphQL.Stop()
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}
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server.Stop()
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wg.Wait()
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}
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func startServers(server s.Server, settings *s.Config) error {
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if settings.IPCEnabled {
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logWithCommand.Info("starting up IPC server")
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_, _, err := srpc.StartIPCEndpoint(settings.IPCEndpoint, server.APIs())
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if err != nil {
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return err
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}
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} else {
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logWithCommand.Info("IPC server is disabled")
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}
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if settings.WSEnabled {
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logWithCommand.Info("starting up WS server")
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_, _, err := srpc.StartWSEndpoint(settings.WSEndpoint, server.APIs(), []string{"vdb", "net"}, nil, true)
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if err != nil {
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return err
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}
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} else {
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logWithCommand.Info("WS server is disabled")
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}
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if settings.HTTPEnabled {
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logWithCommand.Info("starting up HTTP server")
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_, err := srpc.StartHTTPEndpoint(settings.HTTPEndpoint, server.APIs(), []string{"vdb", "eth", "net"}, nil, []string{"*"}, rpc.HTTPTimeouts{})
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if err != nil {
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return err
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}
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} else {
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logWithCommand.Info("HTTP server is disabled")
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}
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return nil
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}
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func startEthGraphQL(server s.Server, settings *s.Config) (graphQLServer *graphql.Service, err error) {
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if settings.EthGraphqlEnabled {
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logWithCommand.Info("starting up ETH GraphQL server")
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endPoint := settings.EthGraphqlEndpoint
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if endPoint != "" {
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graphQLServer, err = graphql.New(server.Backend(), endPoint, nil, []string{"*"}, rpc.HTTPTimeouts{})
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if err != nil {
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return
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}
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err = graphQLServer.Start(nil)
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}
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} else {
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logWithCommand.Info("ETH GraphQL server is disabled")
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}
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return
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}
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func startIpldGraphQL(settings *s.Config) error {
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if settings.IpldGraphqlEnabled {
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logWithCommand.Info("starting up IPLD GraphQL server")
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gqlIpldAddr, err := url.Parse(settings.IpldPostgraphileEndpoint)
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if err != nil {
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return err
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}
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gqlTracingAPIAddr, err := url.Parse(settings.TracingPostgraphileEndpoint)
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if err != nil {
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return err
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}
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ethClients, err := parseRpcAddresses(settings.EthHttpEndpoint)
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if err != nil {
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return err
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}
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var tracingClients []*rpc.Client
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tracingEndpoint := viper.GetString("tracing.httpPath")
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if tracingEndpoint != "" {
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tracingClients, err = parseRpcAddresses(tracingEndpoint)
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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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router, err := mux.NewServeMux(&mux.Options{
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BasePath: "/",
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EnableGraphiQL: true,
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Postgraphile: mux.PostgraphileOptions{
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Default: gqlIpldAddr,
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TracingAPI: gqlTracingAPIAddr,
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},
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RPC: mux.RPCOptions{
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DefaultClients: ethClients,
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TracingClients: tracingClients,
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},
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})
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if err != nil {
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return err
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}
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go http.ListenAndServe(settings.IpldGraphqlEndpoint, router)
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} else {
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logWithCommand.Info("IPLD GraphQL server is disabled")
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}
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return nil
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}
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func startGroupCacheService(settings *s.Config) error {
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gcc := settings.GroupCache
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if gcc.Pool.Enabled {
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logWithCommand.Info("starting up groupcache pool HTTTP server")
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pool := groupcache.NewHTTPPoolOpts(gcc.Pool.HttpEndpoint, &groupcache.HTTPPoolOptions{})
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pool.Set(gcc.Pool.PeerHttpEndpoints...)
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httpURL, err := url.Parse(gcc.Pool.HttpEndpoint)
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if err != nil {
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return err
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}
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server := http.Server{
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Addr: httpURL.Host,
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Handler: pool,
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}
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// Start a HTTP server to listen for peer requests from the groupcache
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go server.ListenAndServe()
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logWithCommand.Infof("groupcache pool endpoint opened for url %s", httpURL)
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} else {
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logWithCommand.Info("Groupcache pool is disabled")
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}
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return nil
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}
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func startStateTrieValidator(config *s.Config, server s.Server) {
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validateEveryNthBlock := config.StateValidationEveryNthBlock
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var lastBlockNumber uint64
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backend := server.Backend()
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for {
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time.Sleep(5 * time.Second)
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block, err := backend.CurrentBlock()
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if err != nil {
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log.Errorln("Error fetching current block for state trie validator")
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continue
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}
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stateRoot := block.Root()
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blockNumber := block.NumberU64()
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blockHash := block.Hash()
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if validateEveryNthBlock <= 0 || // Used for static replicas where block number doesn't progress.
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(blockNumber > lastBlockNumber) && (blockNumber%validateEveryNthBlock == 0) {
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// The validate trie call will take a long time on mainnet, e.g. a few hours.
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if err = backend.ValidateTrie(stateRoot); err != nil {
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log.Fatalf("Error validating trie for block number %d hash %s state root %s",
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blockNumber,
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blockHash,
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stateRoot,
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)
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}
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log.Infof("Successfully validated trie for block number %d hash %s state root %s",
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blockNumber,
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blockHash,
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stateRoot,
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)
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if validateEveryNthBlock <= 0 {
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// Static replica, sleep a long-ish time (1/2 of cache expiry time) since we only need to keep the cache warm.
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time.Sleep((time.Minute * time.Duration(config.GroupCache.StateDB.CacheExpiryInMins)) / 2)
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}
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lastBlockNumber = blockNumber
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}
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}
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}
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type WatchedAddress struct {
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Address string `db:"address"`
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Kind int `db:"kind"`
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CreatedAt uint64 `db:"created_at"`
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WatchedAt uint64 `db:"watched_at"`
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LastFilledAt uint64 `db:"last_filled_at"`
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startBlock uint64
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endBlock uint64
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}
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func startWatchedAddressGapFiller(config *s.Config) {
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fillInterval := config.WatchedAddressGapFillInterval
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for {
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time.Sleep(time.Duration(fillInterval) * time.Second)
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// Get watched addresses from the db
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// Get the block number to start fill at
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// Get the block number to end fill at
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fillWatchedAddresses, minStartBlock, maxEndBlock := getFillAddresses(config)
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if len(fillWatchedAddresses) > 0 {
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log.Infof("running watched address gap filler for block range: (%d, %d)", minStartBlock, maxEndBlock)
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}
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// Fill the missing diffs
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for blockNumber := minStartBlock; blockNumber <= maxEndBlock; blockNumber++ {
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params := statediff.Params{
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IntermediateStateNodes: true,
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IntermediateStorageNodes: true,
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IncludeBlock: true,
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IncludeReceipts: true,
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IncludeTD: true,
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IncludeCode: true,
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}
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fillAddresses := []interface{}{}
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for _, fillWatchedAddress := range fillWatchedAddresses {
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if blockNumber >= fillWatchedAddress.startBlock && blockNumber <= fillWatchedAddress.endBlock {
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switch fillWatchedAddress.Kind {
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case sdtypes.WatchedAddress.Int():
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params.WatchedAddresses = append(params.WatchedAddresses, common.HexToAddress(fillWatchedAddress.Address))
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case sdtypes.WatchedStorageSlot.Int():
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params.WatchedStorageSlots = append(params.WatchedStorageSlots, common.HexToHash(fillWatchedAddress.Address))
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default:
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log.Fatalf("Unexpected kind %d:", fillWatchedAddress.Kind)
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}
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fillAddresses = append(fillAddresses, fillWatchedAddress.Address)
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}
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}
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fillWatchedAddressGap(config, blockNumber, params, fillAddresses)
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}
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}
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}
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// getFillAddresses gets the addresses and finds the encompassing range to perform the fill
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// it also sets the address specific fill range
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func getFillAddresses(config *s.Config) ([]WatchedAddress, uint64, uint64) {
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rows := []WatchedAddress{}
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pgStr := "SELECT * FROM eth.watched_addresses"
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err := config.DB.Select(&rows, pgStr)
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if err != nil {
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log.Fatalf("Error fetching watched addreesses: %s", err.Error())
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}
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fillWatchedAddresses := []WatchedAddress{}
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minStartBlock := uint64(math.MaxUint64)
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maxEndBlock := uint64(0)
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for _, row := range rows {
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// Check for a gap between created_at and watched_at
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// CreatedAt and WatchedAt being equal is considered a gap
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if row.CreatedAt > row.WatchedAt {
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continue
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}
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var startBlock uint64 = 0
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var endBlock uint64 = 0
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// Check if some of the gap was filled earlier
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if row.LastFilledAt > 0 {
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if row.LastFilledAt < row.WatchedAt {
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startBlock = row.LastFilledAt + 1
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}
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} else {
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startBlock = row.CreatedAt
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}
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// Add the address for filling
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if startBlock > 0 {
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row.startBlock = startBlock
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if startBlock < minStartBlock {
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minStartBlock = startBlock
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}
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endBlock = row.WatchedAt
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row.endBlock = endBlock
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if endBlock > maxEndBlock {
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maxEndBlock = endBlock
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}
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fillWatchedAddresses = append(fillWatchedAddresses, row)
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}
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}
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return fillWatchedAddresses, minStartBlock, maxEndBlock
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}
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func fillWatchedAddressGap(config *s.Config, blockNumber uint64, params statediff.Params, fillAddresses []interface{}) {
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// Make a RPC call to write the statediffs
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var data json.RawMessage
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err := config.Client.Call(&data, "statediff_writeStateDiffAt", blockNumber, params)
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if err != nil {
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log.Fatalf("Error making a RPC call to write statediff at block number %d: %s", blockNumber, err.Error())
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}
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// Update the db
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query := "UPDATE eth.watched_addresses SET last_filled_at=? WHERE address IN (?" + strings.Repeat(",?", len(fillAddresses)-1) + ")"
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query = config.DB.Rebind(query)
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args := []interface{}{blockNumber}
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args = append(args, fillAddresses...)
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_, err = config.DB.Exec(query, args...)
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if err != nil {
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log.Fatalf(err.Error())
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}
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}
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func parseRpcAddresses(value string) ([]*rpc.Client, error) {
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rpcAddresses := strings.Split(value, ",")
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rpcClients := make([]*rpc.Client, 0, len(rpcAddresses))
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for _, address := range rpcAddresses {
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rpcClient, err := rpc.Dial(address)
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if err != nil {
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logWithCommand.Errorf("couldn't connect to %s. Error: %s", address, err)
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continue
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}
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rpcClients = append(rpcClients, rpcClient)
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}
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if len(rpcClients) == 0 {
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logWithCommand.Error(ErrNoRpcEndpoints)
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return nil, ErrNoRpcEndpoints
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}
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return rpcClients, nil
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}
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func init() {
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rootCmd.AddCommand(serveCmd)
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addDatabaseFlags(serveCmd)
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// flags for all config variables
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// eth graphql and json-rpc parameters
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serveCmd.PersistentFlags().Bool("eth-server-graphql", false, "turn on the eth graphql server")
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serveCmd.PersistentFlags().String("eth-server-graphql-path", "", "endpoint url for eth graphql server (host:port)")
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serveCmd.PersistentFlags().Bool("eth-server-http", true, "turn on the eth http json-rpc server")
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serveCmd.PersistentFlags().String("eth-server-http-path", "", "endpoint url for eth http json-rpc server (host:port)")
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serveCmd.PersistentFlags().Bool("eth-server-ws", false, "turn on the eth websocket json-rpc server")
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serveCmd.PersistentFlags().String("eth-server-ws-path", "", "endpoint url for eth websocket json-rpc server (host:port)")
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serveCmd.PersistentFlags().Bool("eth-server-ipc", false, "turn on the eth ipc json-rpc server")
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serveCmd.PersistentFlags().String("eth-server-ipc-path", "", "path for eth ipc json-rpc server")
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// ipld and tracing graphql parameters
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serveCmd.PersistentFlags().Bool("ipld-server-graphql", false, "turn on the ipld graphql server")
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serveCmd.PersistentFlags().String("ipld-server-graphql-path", "", "endpoint url for ipld graphql server (host:port)")
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serveCmd.PersistentFlags().String("ipld-postgraphile-path", "", "http url to postgraphile on top of ipld database")
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serveCmd.PersistentFlags().String("tracing-http-path", "", "http url to tracing service")
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serveCmd.PersistentFlags().String("tracing-postgraphile-path", "", "http url to postgraphile on top of tracing db")
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serveCmd.PersistentFlags().String("eth-http-path", "", "http url for ethereum node")
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serveCmd.PersistentFlags().String("eth-node-id", "", "eth node id")
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serveCmd.PersistentFlags().String("eth-client-name", "Geth", "eth client name")
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serveCmd.PersistentFlags().String("eth-genesis-block", "0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3", "eth genesis block hash")
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serveCmd.PersistentFlags().String("eth-network-id", "1", "eth network id")
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serveCmd.PersistentFlags().String("eth-chain-id", "1", "eth chain id")
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serveCmd.PersistentFlags().String("eth-default-sender", "", "default sender address")
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serveCmd.PersistentFlags().String("eth-rpc-gas-cap", "", "rpc gas cap (for eth_Call execution)")
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serveCmd.PersistentFlags().String("eth-chain-config", "", "json chain config file location")
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serveCmd.PersistentFlags().Bool("eth-supports-state-diff", false, "whether the proxy ethereum client supports statediffing endpoints")
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serveCmd.PersistentFlags().Bool("eth-forward-eth-calls", false, "whether to immediately forward eth_calls to proxy client")
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serveCmd.PersistentFlags().Bool("eth-proxy-on-error", true, "whether to forward all failed calls to proxy client")
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// groupcache flags
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serveCmd.PersistentFlags().Bool("gcache-pool-enabled", false, "turn on the groupcache pool")
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serveCmd.PersistentFlags().String("gcache-pool-http-path", "", "http url for groupcache node")
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serveCmd.PersistentFlags().StringArray("gcache-pool-http-peers", []string{}, "http urls for groupcache peers")
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serveCmd.PersistentFlags().Int("gcache-statedb-cache-size", 16, "state DB cache size in MB")
|
|
serveCmd.PersistentFlags().Int("gcache-statedb-cache-expiry", 60, "state DB cache expiry time in mins")
|
|
serveCmd.PersistentFlags().Int("gcache-statedb-log-stats-interval", 60, "state DB cache stats log interval in secs")
|
|
|
|
// state validator flags
|
|
serveCmd.PersistentFlags().Bool("validator-enabled", false, "turn on the state validator")
|
|
serveCmd.PersistentFlags().Uint("validator-every-nth-block", 1500, "only validate every Nth block")
|
|
|
|
// watched address gap filler flags
|
|
serveCmd.PersistentFlags().Bool("watched-address-gap-filler-enabled", false, "turn on the watched address gap filler")
|
|
serveCmd.PersistentFlags().Int("watched-address-gap-filler-interval", 60, "watched address gap fill interval in secs")
|
|
|
|
// and their bindings
|
|
// eth graphql server
|
|
viper.BindPFlag("eth.server.graphql", serveCmd.PersistentFlags().Lookup("eth-server-graphql"))
|
|
viper.BindPFlag("eth.server.graphqlPath", serveCmd.PersistentFlags().Lookup("eth-server-graphql-path"))
|
|
|
|
// eth http json-rpc server
|
|
viper.BindPFlag("eth.server.http", serveCmd.PersistentFlags().Lookup("eth-server-http"))
|
|
viper.BindPFlag("eth.server.httpPath", serveCmd.PersistentFlags().Lookup("eth-server-http-path"))
|
|
|
|
// eth websocket json-rpc server
|
|
viper.BindPFlag("eth.server.ws", serveCmd.PersistentFlags().Lookup("eth-server-ws"))
|
|
viper.BindPFlag("eth.server.wsPath", serveCmd.PersistentFlags().Lookup("eth-server-ws-path"))
|
|
|
|
// eth ipc json-rpc server
|
|
viper.BindPFlag("eth.server.ipc", serveCmd.PersistentFlags().Lookup("eth-server-ipc"))
|
|
viper.BindPFlag("eth.server.ipcPath", serveCmd.PersistentFlags().Lookup("eth-server-ipc-path"))
|
|
|
|
// ipld and tracing graphql parameters
|
|
viper.BindPFlag("ipld.server.graphql", serveCmd.PersistentFlags().Lookup("ipld-server-graphql"))
|
|
viper.BindPFlag("ipld.server.graphqlPath", serveCmd.PersistentFlags().Lookup("ipld-server-graphql-path"))
|
|
viper.BindPFlag("ipld.postgraphilePath", serveCmd.PersistentFlags().Lookup("ipld-postgraphile-path"))
|
|
viper.BindPFlag("tracing.httpPath", serveCmd.PersistentFlags().Lookup("tracing-http-path"))
|
|
viper.BindPFlag("tracing.postgraphilePath", serveCmd.PersistentFlags().Lookup("tracing-postgraphile-path"))
|
|
|
|
viper.BindPFlag("ethereum.httpPath", serveCmd.PersistentFlags().Lookup("eth-http-path"))
|
|
viper.BindPFlag("ethereum.nodeID", serveCmd.PersistentFlags().Lookup("eth-node-id"))
|
|
viper.BindPFlag("ethereum.clientName", serveCmd.PersistentFlags().Lookup("eth-client-name"))
|
|
viper.BindPFlag("ethereum.genesisBlock", serveCmd.PersistentFlags().Lookup("eth-genesis-block"))
|
|
viper.BindPFlag("ethereum.networkID", serveCmd.PersistentFlags().Lookup("eth-network-id"))
|
|
viper.BindPFlag("ethereum.chainID", serveCmd.PersistentFlags().Lookup("eth-chain-id"))
|
|
viper.BindPFlag("ethereum.defaultSender", serveCmd.PersistentFlags().Lookup("eth-default-sender"))
|
|
viper.BindPFlag("ethereum.rpcGasCap", serveCmd.PersistentFlags().Lookup("eth-rpc-gas-cap"))
|
|
viper.BindPFlag("ethereum.chainConfig", serveCmd.PersistentFlags().Lookup("eth-chain-config"))
|
|
viper.BindPFlag("ethereum.supportsStateDiff", serveCmd.PersistentFlags().Lookup("eth-supports-state-diff"))
|
|
viper.BindPFlag("ethereum.forwardEthCalls", serveCmd.PersistentFlags().Lookup("eth-forward-eth-calls"))
|
|
viper.BindPFlag("ethereum.proxyOnError", serveCmd.PersistentFlags().Lookup("eth-proxy-on-error"))
|
|
|
|
// groupcache flags
|
|
viper.BindPFlag("groupcache.pool.enabled", serveCmd.PersistentFlags().Lookup("gcache-pool-enabled"))
|
|
viper.BindPFlag("groupcache.pool.httpEndpoint", serveCmd.PersistentFlags().Lookup("gcache-pool-http-path"))
|
|
viper.BindPFlag("groupcache.pool.peerHttpEndpoints", serveCmd.PersistentFlags().Lookup("gcache-pool-http-peers"))
|
|
viper.BindPFlag("groupcache.statedb.cacheSizeInMB", serveCmd.PersistentFlags().Lookup("gcache-statedb-cache-size"))
|
|
viper.BindPFlag("groupcache.statedb.cacheExpiryInMins", serveCmd.PersistentFlags().Lookup("gcache-statedb-cache-expiry"))
|
|
viper.BindPFlag("groupcache.statedb.logStatsIntervalInSecs", serveCmd.PersistentFlags().Lookup("gcache-statedb-log-stats-interval"))
|
|
|
|
// state validator flags
|
|
viper.BindPFlag("validator.enabled", serveCmd.PersistentFlags().Lookup("validator-enabled"))
|
|
viper.BindPFlag("validator.everyNthBlock", serveCmd.PersistentFlags().Lookup("validator-every-nth-block"))
|
|
|
|
// watched address gap filler flags
|
|
viper.BindPFlag("watch.fill.enabled", serveCmd.PersistentFlags().Lookup("watched-address-gap-filler-enabled"))
|
|
viper.BindPFlag("watch.fill.interval", serveCmd.PersistentFlags().Lookup("watched-address-gap-filler-interval"))
|
|
}
|