102 lines
3.1 KiB
Go
102 lines
3.1 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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"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/vulcanize/vulcanizedb/pkg/super_node"
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"github.com/vulcanize/vulcanizedb/pkg/super_node/config"
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)
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// superNodeCmd represents the superNode command
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var superNodeCmd = &cobra.Command{
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Use: "superNode",
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Short: "VulcanizeDB SuperNode",
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Long: `This command works alongside a modified geth node which streams
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all block and state (diff) data over a websocket subscription. This process
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then converts the eth data to IPLD objects and publishes them to IPFS. Additionally,
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it maintains a local index of the IPLD objects' CIDs in Postgres. It then opens up a server which
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relays relevant data to requesting clients.`,
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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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superNode()
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},
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}
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func init() {
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rootCmd.AddCommand(superNodeCmd)
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}
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func superNode() {
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superNode, superNodeConfig, err := newSuperNode()
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if err != nil {
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logWithCommand.Fatal(err)
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}
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wg := &sync.WaitGroup{}
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var forwardQuitChan chan bool
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var forwardPayloadChan chan interface{}
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if superNodeConfig.Serve {
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forwardQuitChan = make(chan bool)
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forwardPayloadChan = make(chan interface{}, super_node.PayloadChanBufferSize)
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superNode.ScreenAndServe(wg, forwardPayloadChan, forwardQuitChan)
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if err := startServers(superNode, superNodeConfig); err != nil {
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logWithCommand.Fatal(err)
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}
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}
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if superNodeConfig.Sync {
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if err := superNode.SyncAndPublish(wg, forwardPayloadChan, forwardQuitChan); err != nil {
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logWithCommand.Fatal(err)
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}
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}
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if superNodeConfig.BackFill {
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backFiller, err := super_node.NewBackFillService(superNodeConfig.BackFillSettings)
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if err != nil {
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logWithCommand.Fatal(err)
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}
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backFiller.FillGaps(wg, nil)
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}
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}
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func newSuperNode() (super_node.SuperNode, *config.SuperNode, error) {
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superNodeConfig, err := config.NewSuperNodeConfig()
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if err != nil {
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return nil, nil, err
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}
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sn, err := super_node.NewSuperNode(superNodeConfig)
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if err != nil {
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return nil, nil, err
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}
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return sn, superNodeConfig, nil
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}
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func startServers(superNode super_node.SuperNode, settings *config.SuperNode) error {
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_, _, err := rpc.StartIPCEndpoint(settings.IPCEndpoint, superNode.APIs())
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if err != nil {
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return err
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}
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_, _, err = rpc.StartWSEndpoint(settings.WSEndpoint, superNode.APIs(), []string{"vdb"}, nil, true)
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if err != nil {
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return err
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}
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return nil
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}
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