305 lines
11 KiB
Go
305 lines
11 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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"errors"
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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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"github.com/ethereum/go-ethereum/rpc"
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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/ipld-eth-server/pkg/eth"
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"github.com/vulcanize/gap-filler/pkg/mux"
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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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shutdown := make(chan os.Signal)
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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{"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 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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// database credentials
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serveCmd.PersistentFlags().String("database-name", "vulcanize_public", "database name")
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serveCmd.PersistentFlags().Int("database-port", 5432, "database port")
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serveCmd.PersistentFlags().String("database-hostname", "localhost", "database hostname")
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serveCmd.PersistentFlags().String("database-user", "", "database user")
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serveCmd.PersistentFlags().String("database-password", "", "database password")
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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 or not the proxy ethereum client supports statediffing endpoints")
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// and their bindings
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// database
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viper.BindPFlag("database.name", serveCmd.PersistentFlags().Lookup("database-name"))
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viper.BindPFlag("database.port", serveCmd.PersistentFlags().Lookup("database-port"))
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viper.BindPFlag("database.hostname", serveCmd.PersistentFlags().Lookup("database-hostname"))
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viper.BindPFlag("database.user", serveCmd.PersistentFlags().Lookup("database-user"))
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viper.BindPFlag("database.password", serveCmd.PersistentFlags().Lookup("database-password"))
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// eth graphql server
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viper.BindPFlag("eth.server.graphql", serveCmd.PersistentFlags().Lookup("eth-server-graphql"))
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viper.BindPFlag("eth.server.graphqlPath", serveCmd.PersistentFlags().Lookup("eth-server-graphql-path"))
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// eth http json-rpc server
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viper.BindPFlag("eth.server.http", serveCmd.PersistentFlags().Lookup("eth-server-http"))
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viper.BindPFlag("eth.server.httpPath", serveCmd.PersistentFlags().Lookup("eth-server-http-path"))
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// eth websocket json-rpc server
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viper.BindPFlag("eth.server.ws", serveCmd.PersistentFlags().Lookup("eth-server-ws"))
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viper.BindPFlag("eth.server.wsPath", serveCmd.PersistentFlags().Lookup("eth-server-ws-path"))
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// eth ipc json-rpc server
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viper.BindPFlag("eth.server.ipc", serveCmd.PersistentFlags().Lookup("eth-server-ipc"))
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viper.BindPFlag("eth.server.ipcPath", serveCmd.PersistentFlags().Lookup("eth-server-ipc-path"))
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// ipld and tracing graphql parameters
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viper.BindPFlag("ipld.server.graphql", serveCmd.PersistentFlags().Lookup("ipld-server-graphql"))
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viper.BindPFlag("ipld.server.graphqlPath", serveCmd.PersistentFlags().Lookup("ipld-server-graphql-path"))
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viper.BindPFlag("ipld.postgraphilePath", serveCmd.PersistentFlags().Lookup("ipld-postgraphile-path"))
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viper.BindPFlag("tracing.httpPath", serveCmd.PersistentFlags().Lookup("tracing-http-path"))
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viper.BindPFlag("tracing.postgraphilePath", serveCmd.PersistentFlags().Lookup("tracing-postgraphile-path"))
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viper.BindPFlag("ethereum.httpPath", serveCmd.PersistentFlags().Lookup("eth-http-path"))
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viper.BindPFlag("ethereum.nodeID", serveCmd.PersistentFlags().Lookup("eth-node-id"))
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viper.BindPFlag("ethereum.clientName", serveCmd.PersistentFlags().Lookup("eth-client-name"))
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viper.BindPFlag("ethereum.genesisBlock", serveCmd.PersistentFlags().Lookup("eth-genesis-block"))
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viper.BindPFlag("ethereum.networkID", serveCmd.PersistentFlags().Lookup("eth-network-id"))
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viper.BindPFlag("ethereum.chainID", serveCmd.PersistentFlags().Lookup("eth-chain-id"))
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viper.BindPFlag("ethereum.defaultSender", serveCmd.PersistentFlags().Lookup("eth-default-sender"))
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viper.BindPFlag("ethereum.rpcGasCap", serveCmd.PersistentFlags().Lookup("eth-rpc-gas-cap"))
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viper.BindPFlag("ethereum.chainConfig", serveCmd.PersistentFlags().Lookup("eth-chain-config"))
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viper.BindPFlag("ethereum.supportsStateDiff", serveCmd.PersistentFlags().Lookup("eth-supports-state-diff"))
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}
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