ipld-eth-server/cmd/contractWatcher.go
2019-03-21 18:33:56 -05:00

124 lines
3.1 KiB
Go

// VulcanizeDB
// Copyright © 2019 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 (
"fmt"
"github.com/vulcanize/vulcanizedb/pkg/config"
"time"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
st "github.com/vulcanize/vulcanizedb/libraries/shared/transformer"
ft "github.com/vulcanize/vulcanizedb/pkg/omni/full/transformer"
lt "github.com/vulcanize/vulcanizedb/pkg/omni/light/transformer"
"github.com/vulcanize/vulcanizedb/utils"
)
// contractWatcherCmd represents the contractWatcher command
var contractWatcherCmd = &cobra.Command{
Use: "contractWatcher",
Short: "Watches events at the provided contract address using fully synced vDB",
Long: `Uses input contract address and event filters to watch events
Expects an ethereum node to be running
Expects an archival node synced into vulcanizeDB
Requires a .toml config file:
[database]
name = "vulcanize_public"
hostname = "localhost"
port = 5432
[client]
ipcPath = "https://mainnet.infura.io/J5Vd2fRtGsw0zZ0Ov3BL"
[contract]
network = ""
addresses = [
"contractAddress1",
"contractAddress2"
]
[contract.contractAddress1]
abi = 'ABI for contract 1'
startingBlock = 982463
[contract.contractAddress2]
abi = 'ABI for contract 2'
events = [
"event1",
"event2"
]
eventArgs = [
"arg1",
"arg2"
]
methods = [
"method1",
"method2"
]
methodArgs = [
"arg1",
"arg2"
]
startingBlock = 4448566
piping = true
`,
Run: func(cmd *cobra.Command, args []string) {
contractWatcher()
},
}
var (
mode string
)
func contractWatcher() {
ticker := time.NewTicker(5 * time.Second)
defer ticker.Stop()
blockChain := getBlockChain()
db := utils.LoadPostgres(databaseConfig, blockChain.Node())
var t st.GenericTransformer
con := config.ContractConfig{}
con.PrepConfig()
switch mode {
case "light":
t = lt.NewTransformer(con, blockChain, &db)
case "full":
t = ft.NewTransformer(con, blockChain, &db)
default:
log.Fatal("Invalid mode")
}
err := t.Init()
if err != nil {
log.Fatal(fmt.Sprintf("Failed to initialized transformer\r\nerr: %v\r\n", err))
}
for range ticker.C {
t.Execute()
}
}
func init() {
rootCmd.AddCommand(contractWatcherCmd)
contractWatcherCmd.Flags().StringVarP(&mode, "mode", "o", "light", "'light' or 'full' mode to work with either light synced or fully synced vDB (default is light)")
}