ipld-eth-server/cmd/update_canonical/main.go
Matt K 266c9587c8 Canonical blocks (#108)
* Update Block w/ newest Block

* Add cascading delete to blocks and transactions tables

* Add handling for new conflicting blocks

* Command line version of sliding window n behind HEAD
2017-12-19 14:14:41 -06:00

48 lines
1.2 KiB
Go

package main
import (
"flag"
"time"
"os"
"text/template"
"github.com/8thlight/vulcanizedb/cmd"
"github.com/8thlight/vulcanizedb/pkg/blockchain_listener"
"github.com/8thlight/vulcanizedb/pkg/core"
"github.com/8thlight/vulcanizedb/pkg/geth"
"github.com/8thlight/vulcanizedb/pkg/history"
"github.com/8thlight/vulcanizedb/pkg/observers"
)
const windowTemplate = `Validating Existing Blocks
|{{.LowerBound}}|-- Validation Window --|{{.UpperBound}}| {{.MaxBlockNumber}}(HEAD)
`
func main() {
environment := flag.String("environment", "", "Environment name")
flag.Parse()
config := cmd.LoadConfig(*environment)
blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
repository := cmd.LoadPostgres(config.Database, blockchain.Node())
listener := blockchain_listener.NewBlockchainListener(
blockchain,
[]core.BlockchainObserver{
observers.BlockchainLoggingObserver{},
observers.NewBlockchainDbObserver(repository),
},
)
go listener.Start()
windowSize := 10
ticker := time.NewTicker(10 * time.Second)
t := template.Must(template.New("window").Parse(windowTemplate))
for _ = range ticker.C {
window := history.UpdateBlocksWindow(blockchain, repository, windowSize)
t.Execute(os.Stdout, window)
}
ticker.Stop()
}