reorganizing omni directory and beginning light watcher work

cmd/erc20.go

@@ -26,7 +26,7 @@ import (
 	"github.com/vulcanize/vulcanizedb/examples/erc20_watcher/every_block"
 	"github.com/vulcanize/vulcanizedb/examples/generic"
 	"github.com/vulcanize/vulcanizedb/libraries/shared"
-	"github.com/vulcanize/vulcanizedb/pkg/omni/constants"
+	"github.com/vulcanize/vulcanizedb/pkg/omni/shared/constants"
 	"github.com/vulcanize/vulcanizedb/utils"
 )
 

cmd/lightOmniWatcher.go

@@ -0,0 +1,126 @@
+// VulcanizeDB
+// Copyright © 2018 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 (
+	"bufio"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/spf13/cobra"
+
+	"github.com/vulcanize/vulcanizedb/libraries/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/omni/light/transformer"
+	"github.com/vulcanize/vulcanizedb/utils"
+)
+
+// omniWatcherCmd represents the omniWatcher command
+var lightOmniWatcherCmd = &cobra.Command{
+	Use:   "lightOmniWatcher",
+	Short: "Watches events at the provided contract address using lightSynced vDB",
+	Long: `Uses input contract address and event filters to watch events
+
+Expects an ethereum node to be running
+Expects lightSync to have been run and the presence of headers in the Vulcanize database
+Requires a .toml config file:
+
+  [database]
+  name = "vulcanize_public"
+  hostname = "localhost"
+  port = 5432
+
+  [client]
+  ipcPath = "/Users/user/Library/Ethereum/geth.ipc"
+`,
+	Run: func(cmd *cobra.Command, args []string) {
+		lightOmniWatcher()
+	},
+}
+
+func lightOmniWatcher() {
+	if contractAddress == "" && len(contractAddresses) == 0 {
+		log.Fatal("Contract address required")
+	}
+
+	if len(contractEvents) == 0 || len(contractMethods) == 0 {
+		var str string
+		for str != "y" {
+			reader := bufio.NewReader(os.Stdin)
+			if len(contractEvents) == 0 && len(contractMethods) == 0 {
+				fmt.Print("Warning: no events or methods specified.\n Proceed to watch every event and poll no methods? (Y/n)\n> ")
+			} else if len(contractEvents) == 0 {
+				fmt.Print("Warning: no events specified.\n Proceed to watch every event? (Y/n)\n> ")
+			} else {
+				fmt.Print("Warning: no methods specified.\n Proceed to poll no methods? (Y/n)\n> ")
+			}
+			resp, err := reader.ReadBytes('\n')
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			str = strings.ToLower(string(resp))
+			if str == "n" {
+				return
+			}
+		}
+	}
+
+	ticker := time.NewTicker(5 * time.Second)
+	defer ticker.Stop()
+
+	blockChain := getBlockChain()
+	db := utils.LoadPostgres(databaseConfig, blockChain.Node())
+	t := transformer.NewTransformer(network, blockChain, &db)
+
+	contractAddresses = append(contractAddresses, contractAddress)
+	for _, addr := range contractAddresses {
+		t.SetEvents(addr, contractEvents)
+		t.SetMethods(addr, contractMethods)
+		t.SetEventAddrs(addr, eventAddrs)
+		t.SetMethodAddrs(addr, methodAddrs)
+		t.SetRange(addr, [2]int64{startingBlockNumber, endingBlockNumber})
+	}
+
+	err := t.Init()
+	if err != nil {
+		log.Fatal(fmt.Sprintf("Failed to initialized transformer\r\nerr: %v\r\n", err))
+	}
+
+	w := shared.Watcher{}
+	w.AddTransformer(t)
+
+	for range ticker.C {
+		w.Execute()
+	}
+}
+
+func init() {
+	rootCmd.AddCommand(lightOmniWatcherCmd)
+
+	omniWatcherCmd.Flags().StringVarP(&contractAddress, "contract-address", "a", "", "Single address to generate watchers for")
+	omniWatcherCmd.Flags().StringArrayVarP(&contractAddresses, "contract-addresses", "l", []string{}, "list of addresses to use; warning: watcher targets the same events and methods for each address")
+	omniWatcherCmd.Flags().StringArrayVarP(&contractEvents, "contract-events", "e", []string{}, "Subset of events to watch; by default all events are watched")
+	omniWatcherCmd.Flags().StringArrayVarP(&contractMethods, "contract-methods", "m", nil, "Subset of methods to poll; by default no methods are polled")
+	omniWatcherCmd.Flags().StringArrayVarP(&eventAddrs, "event-filter-addresses", "f", []string{}, "Account addresses to persist event data for; default is to persist for all found token holder addresses")
+	omniWatcherCmd.Flags().StringArrayVarP(&methodAddrs, "method-filter-addresses", "g", []string{}, "Account addresses to poll methods with; default is to poll with all found token holder addresses")
+	omniWatcherCmd.Flags().StringVarP(&network, "network", "n", "", `Network the contract is deployed on; options: "ropsten", "kovan", and "rinkeby"; default is mainnet"`)
+	omniWatcherCmd.Flags().Int64VarP(&startingBlockNumber, "starting-block-number", "s", 0, "Block to begin watching- default is first block the contract exists")
+	omniWatcherCmd.Flags().Int64VarP(&startingBlockNumber, "ending-block-number", "d", -1, "Block to end watching- default is most recent block")
+}

cmd/omniWatcher.go

@@ -27,14 +27,14 @@ import (
 	"github.com/spf13/cobra"
 
 	"github.com/vulcanize/vulcanizedb/libraries/shared"
-	"github.com/vulcanize/vulcanizedb/pkg/omni/transformer"
+	"github.com/vulcanize/vulcanizedb/pkg/omni/full/transformer"
 	"github.com/vulcanize/vulcanizedb/utils"
 )
 
 // omniWatcherCmd represents the omniWatcher command
 var omniWatcherCmd = &cobra.Command{
 	Use:   "omniWatcher",
-	Short: "Watches events at the provided contract address",
+	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