ipld-eth-server/cmd/parseStorageDiffs.go
2019-02-08 13:36:30 -06:00

70 lines
2.2 KiB
Go

// VulcanizeDB
// Copyright © 2018 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"github.com/spf13/cobra"
"github.com/vulcanize/vulcanizedb/libraries/shared"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/fs"
"github.com/vulcanize/vulcanizedb/pkg/transformers"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/storage"
"log"
)
// parseStorageDiffsCmd represents the parseStorageDiffs command
var parseStorageDiffsCmd = &cobra.Command{
Use: "parseStorageDiffs",
Short: "Continuously ingest storage diffs from a CSV file",
Long: `Read storage diffs out of a CSV file that is constantly receiving
new rows from an Ethereum node. For example:
./vulcanizedb parseStorageDiffs --config=environments/staging.toml
Note that the path to your storage diffs must be configured in your toml
file under storageDiffsPath.`,
Run: func(cmd *cobra.Command, args []string) {
parseStorageDiffs()
},
}
func init() {
rootCmd.AddCommand(parseStorageDiffsCmd)
}
func parseStorageDiffs() {
blockChain := getBlockChain()
db, err := postgres.NewDB(databaseConfig, blockChain.Node())
if err != nil {
log.Fatal("Failed to initialize database: ", err)
}
tailer := fs.FileTailer{Path: storageDiffsPath}
// TODO: configure transformers
watcher := shared.NewStorageWatcher(tailer, db)
watcher.AddTransformers([]storage.TransformerInitializer{
transformers.GetPitStorageTransformer().NewTransformer,
transformers.GetVatStorageTransformer().NewTransformer,
})
err = watcher.Execute()
if err != nil {
log.Fatal(err)
}
}