128 lines
3.3 KiB
Go
128 lines
3.3 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"fmt"
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"time"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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st "github.com/vulcanize/vulcanizedb/libraries/shared/transformer"
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"github.com/vulcanize/vulcanizedb/pkg/config"
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ft "github.com/vulcanize/vulcanizedb/pkg/contract_watcher/full/transformer"
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ht "github.com/vulcanize/vulcanizedb/pkg/contract_watcher/header/transformer"
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"github.com/vulcanize/vulcanizedb/utils"
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)
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// contractWatcherCmd represents the contractWatcher command
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var contractWatcherCmd = &cobra.Command{
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Use: "contractWatcher",
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Short: "Watches events at the provided contract address using fully synced vDB",
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Long: `Uses input contract address and event filters to watch events
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Expects an ethereum node to be running
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Expects an archival node synced into vulcanizeDB
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Requires a .toml config file:
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[database]
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name = "vulcanize_public"
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hostname = "localhost"
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port = 5432
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[client]
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ipcPath = "/Users/user/Library/Ethereum/geth.ipc"
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[contract]
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network = ""
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addresses = [
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"contractAddress1",
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"contractAddress2"
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]
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[contract.contractAddress1]
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abi = 'ABI for contract 1'
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startingBlock = 982463
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[contract.contractAddress2]
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abi = 'ABI for contract 2'
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events = [
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"event1",
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"event2"
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]
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eventArgs = [
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"arg1",
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"arg2"
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]
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methods = [
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"method1",
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"method2"
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]
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methodArgs = [
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"arg1",
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"arg2"
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]
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startingBlock = 4448566
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piping = true
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`,
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Run: func(cmd *cobra.Command, args []string) {
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SubCommand = cmd.CalledAs()
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LogWithCommand = *log.WithField("SubCommand", SubCommand)
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contractWatcher()
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},
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}
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var (
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mode string
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)
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func contractWatcher() {
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ticker := time.NewTicker(5 * time.Second)
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defer ticker.Stop()
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blockChain := getBlockChain()
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db := utils.LoadPostgres(databaseConfig, blockChain.Node())
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var t st.ContractTransformer
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con := config.ContractConfig{}
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con.PrepConfig()
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switch mode {
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case "header":
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t = ht.NewTransformer(con, blockChain, &db)
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case "full":
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t = ft.NewTransformer(con, blockChain, &db)
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default:
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LogWithCommand.Fatal("Invalid mode")
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}
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err := t.Init()
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if err != nil {
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LogWithCommand.Fatal(fmt.Sprintf("Failed to initialize transformer, err: %v ", err))
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}
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for range ticker.C {
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err = t.Execute()
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if err != nil {
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LogWithCommand.Error("Execution error for transformer: ", t.GetConfig().Name, err)
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}
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}
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}
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func init() {
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rootCmd.AddCommand(contractWatcherCmd)
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contractWatcherCmd.Flags().StringVarP(&mode, "mode", "o", "header", "'header' or 'full' mode to work with either header synced or fully synced vDB (default is header)")
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}
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