127 lines
3.8 KiB
Go
127 lines
3.8 KiB
Go
// Copyright © 2019 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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"os"
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"path/filepath"
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syn "sync"
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"github.com/ethereum/go-ethereum/common"
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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/vulcanizedb/pkg/config"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/ipfs"
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"github.com/vulcanize/vulcanizedb/pkg/super_node"
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"github.com/vulcanize/vulcanizedb/utils"
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)
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// screenAndServeCmd represents the screenAndServe command
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var screenAndServeCmd = &cobra.Command{
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Use: "screenAndServe",
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Short: "Serve super-node data requests to requesting clients",
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Long: ` It then opens up WS and IPC servers on top of the super-node ETH-IPLD index which
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relays relevant data to requesting clients. In this mode, the super-node can only relay data which it has
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already indexed it does not stream out live data.`,
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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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screenAndServe()
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},
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}
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func init() {
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rootCmd.AddCommand(screenAndServeCmd)
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}
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func screenAndServe() {
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superNode, newNodeErr := newSuperNodeWithoutPairedGethNode()
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if newNodeErr != nil {
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logWithCommand.Fatal(newNodeErr)
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}
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wg := &syn.WaitGroup{}
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quitChan := make(chan bool, 1)
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emptyPayloadChan := make(chan ipfs.IPLDPayload)
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superNode.ScreenAndServe(wg, emptyPayloadChan, quitChan)
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serverErr := startServers(superNode)
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if serverErr != nil {
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logWithCommand.Fatal(serverErr)
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}
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wg.Wait()
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}
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func startServers(superNode super_node.NodeInterface) error {
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var ipcPath string
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ipcPath = viper.GetString("server.ipcPath")
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if ipcPath == "" {
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home, homeDirErr := os.UserHomeDir()
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if homeDirErr != nil {
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return homeDirErr
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}
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ipcPath = filepath.Join(home, ".vulcanize/vulcanize.ipc")
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}
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_, _, ipcErr := rpc.StartIPCEndpoint(ipcPath, superNode.APIs())
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if ipcErr != nil {
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return ipcErr
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}
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var wsEndpoint string
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wsEndpoint = viper.GetString("server.wsEndpoint")
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if wsEndpoint == "" {
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wsEndpoint = "127.0.0.1:8080"
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}
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var exposeAll = true
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var wsOrigins []string
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_, _, wsErr := rpc.StartWSEndpoint(wsEndpoint, superNode.APIs(), []string{"vdb"}, wsOrigins, exposeAll)
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if wsErr != nil {
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return wsErr
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}
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return nil
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}
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func newSuperNodeWithoutPairedGethNode() (super_node.NodeInterface, error) {
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ipfsPath = viper.GetString("client.ipfsPath")
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if ipfsPath == "" {
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home, homeDirErr := os.UserHomeDir()
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if homeDirErr != nil {
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return nil, homeDirErr
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}
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ipfsPath = filepath.Join(home, ".ipfs")
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}
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ipfsInitErr := ipfs.InitIPFSPlugins()
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if ipfsInitErr != nil {
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return nil, ipfsInitErr
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}
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ipldFetcher, newFetcherErr := ipfs.NewIPLDFetcher(ipfsPath)
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if newFetcherErr != nil {
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return nil, newFetcherErr
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}
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db := utils.LoadPostgres(databaseConfig, core.Node{})
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return &super_node.Service{
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IPLDFetcher: ipldFetcher,
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Retriever: super_node.NewCIDRetriever(&db),
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Resolver: ipfs.NewIPLDResolver(),
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Subscriptions: make(map[common.Hash]map[rpc.ID]super_node.Subscription),
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SubscriptionTypes: make(map[common.Hash]config.Subscription),
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GethNode: core.Node{},
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}, nil
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}
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