forked from cerc-io/ipld-eth-server
105 lines
3.3 KiB
Go
105 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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"time"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
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"github.com/vulcanize/vulcanizedb/pkg/history"
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"github.com/vulcanize/vulcanizedb/utils"
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)
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// fullSyncCmd represents the fullSync command
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var fullSyncCmd = &cobra.Command{
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Use: "fullSync",
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Short: "Syncs VulcanizeDB with local ethereum node",
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Long: `Syncs VulcanizeDB with local ethereum node. Populates
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Postgres with blocks, transactions, receipts, and logs.
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./vulcanizedb fullSync --starting-block-number 0 --config public.toml
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Expects ethereum node to be running and requires a .toml config:
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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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fullSync()
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},
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}
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func init() {
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rootCmd.AddCommand(fullSyncCmd)
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fullSyncCmd.Flags().Int64VarP(&startingBlockNumber, "starting-block-number", "s", 0, "Block number to start syncing from")
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}
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func backFillAllBlocks(blockchain core.BlockChain, blockRepository datastore.BlockRepository, missingBlocksPopulated chan int, startingBlockNumber int64) {
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populated, err := history.PopulateMissingBlocks(blockchain, blockRepository, startingBlockNumber)
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if err != nil {
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log.Error("backfillAllBlocks: error in populateMissingBlocks: ", err)
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}
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missingBlocksPopulated <- populated
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}
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func fullSync() {
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ticker := time.NewTicker(pollingInterval)
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defer ticker.Stop()
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blockChain := getBlockChain()
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lastBlock, err := blockChain.LastBlock()
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if err != nil {
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log.Error("fullSync: Error getting last block: ", err)
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}
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if lastBlock.Int64() == 0 {
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log.Fatal("geth initial: state sync not finished")
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}
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if startingBlockNumber > lastBlock.Int64() {
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log.Fatal("fullSync: starting block number > current block number")
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}
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db := utils.LoadPostgres(databaseConfig, blockChain.Node())
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blockRepository := repositories.NewBlockRepository(&db)
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validator := history.NewBlockValidator(blockChain, blockRepository, validationWindow)
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missingBlocksPopulated := make(chan int)
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go backFillAllBlocks(blockChain, blockRepository, missingBlocksPopulated, startingBlockNumber)
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for {
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select {
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case <-ticker.C:
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window, err := validator.ValidateBlocks()
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if err != nil {
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log.Error("fullSync: error in validateBlocks: ", err)
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}
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log.Info(window.GetString())
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case <-missingBlocksPopulated:
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go backFillAllBlocks(blockChain, blockRepository, missingBlocksPopulated, startingBlockNumber)
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}
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}
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}
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