ipld-eth-server/vendor/github.com/vulcanize/eth-block-extractor/cmd/createIpldsForBlockTransactions.go
2019-12-02 13:24:46 -06:00

70 lines
2.4 KiB
Go

// Copyright © 2018 Rob Mulholand <rmulholand@8thlight.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"log"
"github.com/spf13/cobra"
"github.com/vulcanize/eth-block-extractor/pkg/db"
"github.com/vulcanize/eth-block-extractor/pkg/ipfs"
"github.com/vulcanize/eth-block-extractor/pkg/ipfs/eth_block_transactions"
"github.com/vulcanize/eth-block-extractor/pkg/transformers"
)
// createIpldsForBlockTransactionsCmd represents the createIpldsForBlockTransactions command
var createIpldsForBlockTransactionsCmd = &cobra.Command{
Use: "createIpldsForBlockTransactions",
Short: "Create IPLDs for every transaction in a block",
Long: `Create an IPLD for every transaction in a block. For example:
./eth-block-extractor createIpldsForBlockTransactions --config environments/public.toml --block-number 5000000
The block number specifies the block for which to create transaction IPLDs, and is required.`,
Run: func(cmd *cobra.Command, args []string) {
createIpldsForBlockTransactions()
},
}
func init() {
rootCmd.AddCommand(createIpldsForBlockTransactionsCmd)
createIpldsForBlockTransactionsCmd.Flags().Int64VarP(&blockNumber, "block-number", "b", 0, "Create IPLD for this block.")
}
func createIpldsForBlockTransactions() {
// init eth db
ethDBConfig := db.CreateDatabaseConfig(db.Level, levelDbPath)
ethDB, err := db.CreateDatabase(ethDBConfig)
if err != nil {
log.Fatal("Error connecting to ethereum db: ", err)
}
// init ipfs publisher
ipfsNode, err := ipfs.InitIPFSNode(ipfsPath)
if err != nil {
log.Fatal("Error connecting to IPFS: ", err)
}
dagPutter := eth_block_transactions.NewBlockTransactionsDagPutter(*ipfsNode)
publisher := ipfs.NewIpfsPublisher(dagPutter)
// execute transformer
transformer := transformers.NewEthBlockTransactionsTransformer(ethDB, publisher)
err = transformer.Execute(blockNumber, blockNumber)
if err != nil {
log.Fatal("Error executing transformer: ", err.Error())
}
}