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

68 lines
2.3 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 (
"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_receipts"
"github.com/vulcanize/eth-block-extractor/pkg/transformers"
"log"
)
// createIpldsForBlockReceiptsCmd represents the createIpldsForBlockReceipts command
var createIpldsForBlockReceiptsCmd = &cobra.Command{
Use: "createIpldsForBlockReceipts",
Short: "Create IPLDs for a blocks receipts",
Long: `Fetch a block's receipts and persist them to IPFS as IPLDs'. For example:
./eth-block-extractor createIpldsForBlockReceipts --block-number 5000000
The block number flag specifies the block for which to fetch and persist receipts.`,
Run: func(cmd *cobra.Command, args []string) {
createBlockReceipts()
},
}
func init() {
rootCmd.AddCommand(createIpldsForBlockReceiptsCmd)
createIpldsForBlockReceiptsCmd.Flags().Int64VarP(&blockNumber, "block-number", "b", 0, "block for which to create receipt IPLDs")
}
func createBlockReceipts() {
// 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_receipts.NewEthBlockReceiptDagPutter(ipfsNode)
publisher := ipfs.NewIpfsPublisher(dagPutter)
// execute transformer
transformer := transformers.NewEthBlockReceiptTransformer(ethDB, publisher)
err = transformer.Execute(blockNumber, blockNumber)
if err != nil {
log.Fatal("Error creating receipt IPLDs for block: ", err)
}
}