102 lines
4.0 KiB
Go
102 lines
4.0 KiB
Go
// VulcanizeDB
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// Copyright © 2018 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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"log"
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"time"
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"github.com/spf13/cobra"
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"github.com/vulcanize/vulcanizedb/libraries/shared"
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"github.com/vulcanize/vulcanizedb/pkg/omni/full/transformer"
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"github.com/vulcanize/vulcanizedb/utils"
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)
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// omniWatcherCmd represents the omniWatcher command
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var omniWatcherCmd = &cobra.Command{
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Use: "omniWatcher",
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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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`,
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Run: func(cmd *cobra.Command, args []string) {
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omniWatcher()
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},
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}
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func omniWatcher() {
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if contractAddress == "" && len(contractAddresses) == 0 {
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log.Fatal("Contract address required")
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}
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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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t := transformer.NewTransformer(network, blockChain, &db)
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contractAddresses = append(contractAddresses, contractAddress)
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for _, addr := range contractAddresses {
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t.SetEvents(addr, contractEvents)
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t.SetMethods(addr, contractMethods)
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t.SetEventArgs(addr, eventArgs)
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t.SetMethodArgs(addr, methodArgs)
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t.SetRange(addr, [2]int64{startingBlockNumber, endingBlockNumber})
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}
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err := t.Init()
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if err != nil {
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log.Fatal(fmt.Sprintf("Failed to initialized transformer\r\nerr: %v\r\n", err))
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}
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w := shared.Watcher{}
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w.AddTransformer(t)
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for range ticker.C {
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w.Execute()
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}
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}
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func init() {
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rootCmd.AddCommand(omniWatcherCmd)
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omniWatcherCmd.Flags().StringVarP(&contractAddress, "contract-address", "a", "", "Single address to generate watchers for")
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omniWatcherCmd.Flags().StringArrayVarP(&contractAddresses, "contract-addresses", "l", []string{}, "list of addresses to use; warning: watcher targets the same events and methods for each address")
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omniWatcherCmd.Flags().StringArrayVarP(&contractEvents, "events", "e", []string{}, "Subset of events to watch; by default all events are watched")
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omniWatcherCmd.Flags().StringArrayVarP(&contractMethods, "methods", "m", nil, "Subset of methods to poll; by default no methods are polled")
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omniWatcherCmd.Flags().StringArrayVarP(&eventArgs, "event-args", "f", []string{}, "Argument values to filter event logs for; will only persist event logs that emit at least one of the value specified")
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omniWatcherCmd.Flags().StringArrayVarP(&methodArgs, "method-args", "g", []string{}, "Argument values to limit methods to; will only call methods with emitted values that were specified here")
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omniWatcherCmd.Flags().StringVarP(&network, "network", "n", "", `Network the contract is deployed on; options: "ropsten", "kovan", and "rinkeby"; default is mainnet"`)
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omniWatcherCmd.Flags().Int64VarP(&startingBlockNumber, "starting-block-number", "s", 0, "Block to begin watching- default is first block the contract exists")
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omniWatcherCmd.Flags().Int64VarP(&endingBlockNumber, "ending-block-number", "d", -1, "Block to end watching- default is most recent block")
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omniWatcherCmd.Flags().BoolVarP(&createAddrList, "create-address-list", "c", false, "Set to true to persist address seen in emitted events into the database")
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}
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