596 lines
19 KiB
Go
596 lines
19 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 sql provides an interface for pushing and indexing IPLD objects into a sql database
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// Metrics for reporting processing and connection stats are defined in ./metrics.go
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package sql
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import (
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"context"
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"fmt"
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"math/big"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/metrics"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/multiformats/go-multihash"
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metrics2 "github.com/cerc-io/plugeth-statediff/indexer/database/metrics"
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"github.com/cerc-io/plugeth-statediff/indexer/interfaces"
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"github.com/cerc-io/plugeth-statediff/indexer/ipld"
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"github.com/cerc-io/plugeth-statediff/indexer/models"
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"github.com/cerc-io/plugeth-statediff/indexer/shared"
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sdtypes "github.com/cerc-io/plugeth-statediff/types"
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"github.com/cerc-io/plugeth-statediff/utils/log"
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)
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var _ interfaces.StateDiffIndexer = &StateDiffIndexer{}
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// StateDiffIndexer satisfies the indexer.StateDiffIndexer interface for ethereum statediff objects on top of an SQL sql
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type StateDiffIndexer struct {
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ctx context.Context
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chainConfig *params.ChainConfig
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dbWriter *Writer
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}
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// NewStateDiffIndexer creates a sql implementation of interfaces.StateDiffIndexer
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func NewStateDiffIndexer(ctx context.Context, chainConfig *params.ChainConfig, db Database) (*StateDiffIndexer, error) {
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return &StateDiffIndexer{
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ctx: ctx,
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chainConfig: chainConfig,
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dbWriter: NewWriter(db),
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}, nil
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}
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// ReportDBMetrics is a reporting function to run as goroutine
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func (sdi *StateDiffIndexer) ReportDBMetrics(delay time.Duration, quit <-chan bool) {
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if !metrics.Enabled {
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return
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}
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ticker := time.NewTicker(delay)
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go func() {
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for {
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select {
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case <-ticker.C:
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metrics2.DBMetrics.Update(sdi.dbWriter.db.Stats())
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case <-quit:
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ticker.Stop()
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return
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}
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}
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}()
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}
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// PushBlock pushes and indexes block data in sql, except state & storage nodes (includes header, uncles, transactions & receipts)
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// Returns an initiated DB transaction which must be Closed via defer to commit or rollback
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func (sdi *StateDiffIndexer) PushBlock(block *types.Block, receipts types.Receipts, totalDifficulty *big.Int) (interfaces.Batch, error) {
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start, t := time.Now(), time.Now()
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blockHash := block.Hash()
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height := block.NumberU64()
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traceMsg := fmt.Sprintf("indexer stats for statediff at %d with hash %s:\r\n", height, blockHash)
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transactions := block.Transactions()
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// Derive any missing fields
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if err := receipts.DeriveFields(sdi.chainConfig, blockHash, height, block.BaseFee(), transactions); err != nil {
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return nil, err
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}
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// Generate the block iplds
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headerNode, txNodes, rctNodes, logNodes, err := ipld.FromBlockAndReceipts(block, receipts)
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if err != nil {
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return nil, fmt.Errorf("error creating IPLD nodes from block and receipts: %v", err)
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}
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if len(txNodes) != len(rctNodes) {
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return nil, fmt.Errorf("expected number of transactions (%d), receipts (%d)", len(txNodes), len(rctNodes))
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}
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// Calculate reward
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var reward *big.Int
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// in PoA networks block reward is 0
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if sdi.chainConfig.Clique != nil {
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reward = big.NewInt(0)
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} else {
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reward = shared.CalcEthBlockReward(block.Header(), block.Uncles(), block.Transactions(), receipts)
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}
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t = time.Now()
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// Begin new DB tx for everything
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tx := NewDelayedTx(sdi.dbWriter.db)
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defer func() {
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if p := recover(); p != nil {
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rollback(sdi.ctx, tx)
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panic(p)
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} else if err != nil {
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rollback(sdi.ctx, tx)
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}
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}()
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blockTx := &BatchTx{
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removedCacheFlag: new(uint32),
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ctx: sdi.ctx,
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BlockNumber: block.Number().String(),
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stm: sdi.dbWriter.db.InsertIPLDsStm(),
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iplds: make(chan models.IPLDModel),
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quit: make(chan (chan<- struct{})),
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ipldCache: models.IPLDBatch{
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BlockNumbers: make([]string, 0, startingCacheCapacity),
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Keys: make([]string, 0, startingCacheCapacity),
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Values: make([][]byte, 0, startingCacheCapacity),
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},
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dbtx: tx,
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// handle transaction commit or rollback for any return case
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submit: func(self *BatchTx, err error) error {
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defer func() {
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confirm := make(chan struct{})
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self.quit <- confirm
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close(self.quit)
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<-confirm
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close(self.iplds)
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}()
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if p := recover(); p != nil {
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log.Info("panic detected before tx submission, rolling back the tx", "panic", p)
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rollback(sdi.ctx, tx)
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panic(p)
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} else if err != nil {
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log.Info("error detected before tx submission, rolling back the tx", "error", err)
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rollback(sdi.ctx, tx)
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} else {
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tDiff := time.Since(t)
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metrics2.IndexerMetrics.StateStoreCodeProcessingTimer.Update(tDiff)
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traceMsg += fmt.Sprintf("state, storage, and code storage processing time: %s\r\n", tDiff)
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t = time.Now()
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if err := self.flush(); err != nil {
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rollback(sdi.ctx, tx)
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traceMsg += fmt.Sprintf(" TOTAL PROCESSING DURATION: %s\r\n", time.Since(start))
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log.Debug(traceMsg)
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return err
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}
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err = tx.Commit(sdi.ctx)
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tDiff = time.Since(t)
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metrics2.IndexerMetrics.PostgresCommitTimer.Update(tDiff)
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traceMsg += fmt.Sprintf("postgres transaction commit duration: %s\r\n", tDiff)
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}
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traceMsg += fmt.Sprintf(" TOTAL PROCESSING DURATION: %s\r\n", time.Since(start))
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log.Debug(traceMsg)
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return err
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},
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}
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go blockTx.cache()
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tDiff := time.Since(t)
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metrics2.IndexerMetrics.FreePostgresTimer.Update(tDiff)
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traceMsg += fmt.Sprintf("time spent waiting for free postgres tx: %s:\r\n", tDiff)
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t = time.Now()
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// Publish and index header, collect headerID
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var headerID string
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headerID, err = sdi.processHeader(blockTx, block.Header(), headerNode, reward, totalDifficulty)
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if err != nil {
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return nil, err
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}
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tDiff = time.Since(t)
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metrics2.IndexerMetrics.HeaderProcessingTimer.Update(tDiff)
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traceMsg += fmt.Sprintf("header processing time: %s\r\n", tDiff)
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t = time.Now()
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// Publish and index uncles
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err = sdi.processUncles(blockTx, headerID, block.Number(), block.UncleHash(), block.Uncles())
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if err != nil {
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return nil, err
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}
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tDiff = time.Since(t)
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metrics2.IndexerMetrics.UncleProcessingTimer.Update(tDiff)
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traceMsg += fmt.Sprintf("uncle processing time: %s\r\n", tDiff)
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t = time.Now()
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// Publish and index receipts and txs
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err = sdi.processReceiptsAndTxs(blockTx, processArgs{
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headerID: headerID,
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blockNumber: block.Number(),
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receipts: receipts,
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txs: transactions,
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rctNodes: rctNodes,
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txNodes: txNodes,
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logNodes: logNodes,
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})
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if err != nil {
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return nil, err
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}
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tDiff = time.Since(t)
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metrics2.IndexerMetrics.TxAndRecProcessingTimer.Update(tDiff)
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traceMsg += fmt.Sprintf("tx and receipt processing time: %s\r\n", tDiff)
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t = time.Now()
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return blockTx, err
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}
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// CurrentBlock returns the HeaderModel of the highest existing block in the database.
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func (sdi *StateDiffIndexer) CurrentBlock() (*models.HeaderModel, error) {
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return sdi.dbWriter.maxHeader()
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}
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// DetectGaps returns a list of gaps in the database found within the specified block range.
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func (sdi *StateDiffIndexer) DetectGaps(beginBlockNumber uint64, endBlockNumber uint64) ([]*interfaces.BlockGap, error) {
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return sdi.dbWriter.detectGaps(beginBlockNumber, endBlockNumber)
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}
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// processHeader publishes and indexes a header IPLD in Postgres
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// it returns the headerID
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func (sdi *StateDiffIndexer) processHeader(tx *BatchTx, header *types.Header, headerNode ipld.IPLD, reward, td *big.Int) (string, error) {
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tx.cacheIPLD(headerNode)
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headerID := header.Hash().String()
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// index header
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return headerID, sdi.dbWriter.upsertHeaderCID(tx.dbtx, models.HeaderModel{
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CID: headerNode.Cid().String(),
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ParentHash: header.ParentHash.String(),
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BlockNumber: header.Number.String(),
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BlockHash: headerID,
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TotalDifficulty: td.String(),
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Reward: reward.String(),
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Bloom: header.Bloom.Bytes(),
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StateRoot: header.Root.String(),
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RctRoot: header.ReceiptHash.String(),
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TxRoot: header.TxHash.String(),
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UnclesHash: header.UncleHash.String(),
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Timestamp: header.Time,
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Coinbase: header.Coinbase.String(),
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Canonical: true,
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})
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}
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// processUncles publishes and indexes uncle IPLDs in Postgres
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func (sdi *StateDiffIndexer) processUncles(tx *BatchTx, headerID string, blockNumber *big.Int, unclesHash common.Hash, uncles []*types.Header) error {
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// publish and index uncles
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uncleEncoding, err := rlp.EncodeToBytes(uncles)
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if err != nil {
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return err
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}
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preparedHash := crypto.Keccak256Hash(uncleEncoding)
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if preparedHash != unclesHash {
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return fmt.Errorf("derived uncles hash (%s) does not match the hash in the header (%s)", preparedHash.String(), unclesHash.String())
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}
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unclesCID, err := ipld.RawdataToCid(ipld.MEthHeaderList, uncleEncoding, multihash.KECCAK_256)
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if err != nil {
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return err
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}
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tx.cacheDirect(unclesCID.String(), uncleEncoding)
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for i, uncle := range uncles {
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var uncleReward *big.Int
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// in PoA networks uncle reward is 0
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if sdi.chainConfig.Clique != nil {
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uncleReward = big.NewInt(0)
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} else {
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uncleReward = shared.CalcUncleMinerReward(blockNumber.Uint64(), uncle.Number.Uint64())
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}
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uncle := models.UncleModel{
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BlockNumber: blockNumber.String(),
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HeaderID: headerID,
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CID: unclesCID.String(),
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ParentHash: uncle.ParentHash.String(),
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BlockHash: uncle.Hash().String(),
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Reward: uncleReward.String(),
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Index: int64(i),
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}
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if err := sdi.dbWriter.upsertUncleCID(tx.dbtx, uncle); err != nil {
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return err
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}
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}
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return nil
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}
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// processArgs bundles arguments to processReceiptsAndTxs
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type processArgs struct {
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headerID string
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blockNumber *big.Int
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receipts types.Receipts
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txs types.Transactions
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rctNodes []*ipld.EthReceipt
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txNodes []*ipld.EthTx
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logNodes [][]*ipld.EthLog
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}
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// processReceiptsAndTxs publishes and indexes receipt and transaction IPLDs in Postgres
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func (sdi *StateDiffIndexer) processReceiptsAndTxs(tx *BatchTx, args processArgs) error {
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// Process receipts and txs
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signer := types.MakeSigner(sdi.chainConfig, args.blockNumber)
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for i, receipt := range args.receipts {
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txNode := args.txNodes[i]
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tx.cacheIPLD(txNode)
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tx.cacheIPLD(args.rctNodes[i])
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// index tx
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trx := args.txs[i]
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txID := trx.Hash().String()
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var val string
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if trx.Value() != nil {
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val = trx.Value().String()
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}
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// derive sender for the tx that corresponds with this receipt
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from, err := types.Sender(signer, trx)
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if err != nil {
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return fmt.Errorf("error deriving tx sender: %v", err)
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}
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txModel := models.TxModel{
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BlockNumber: args.blockNumber.String(),
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HeaderID: args.headerID,
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Dst: shared.HandleZeroAddrPointer(trx.To()),
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Src: shared.HandleZeroAddr(from),
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TxHash: txID,
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Index: int64(i),
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CID: txNode.Cid().String(),
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Type: trx.Type(),
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Value: val,
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}
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if err := sdi.dbWriter.upsertTransactionCID(tx.dbtx, txModel); err != nil {
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return err
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}
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// this is the contract address if this receipt is for a contract creation tx
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contract := shared.HandleZeroAddr(receipt.ContractAddress)
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rctModel := &models.ReceiptModel{
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BlockNumber: args.blockNumber.String(),
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HeaderID: args.headerID,
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TxID: txID,
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Contract: contract,
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CID: args.rctNodes[i].Cid().String(),
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}
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if len(receipt.PostState) == 0 {
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rctModel.PostStatus = receipt.Status
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} else {
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rctModel.PostState = common.BytesToHash(receipt.PostState).String()
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}
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if err := sdi.dbWriter.upsertReceiptCID(tx.dbtx, rctModel); err != nil {
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return err
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}
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// index logs
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logDataSet := make([]*models.LogsModel, len(receipt.Logs))
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for idx, l := range receipt.Logs {
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tx.cacheIPLD(args.logNodes[i][idx])
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topicSet := make([]string, 4)
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for ti, topic := range l.Topics {
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topicSet[ti] = topic.String()
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}
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logDataSet[idx] = &models.LogsModel{
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BlockNumber: args.blockNumber.String(),
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HeaderID: args.headerID,
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ReceiptID: txID,
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Address: l.Address.String(),
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Index: int64(l.Index),
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CID: args.logNodes[i][idx].Cid().String(),
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Topic0: topicSet[0],
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Topic1: topicSet[1],
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Topic2: topicSet[2],
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Topic3: topicSet[3],
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}
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}
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if err := sdi.dbWriter.upsertLogCID(tx.dbtx, logDataSet); err != nil {
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return err
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}
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}
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return nil
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}
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// PushStateNode publishes and indexes a state diff node object (including any child storage nodes) in the IPLD sql
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func (sdi *StateDiffIndexer) PushStateNode(batch interfaces.Batch, stateNode sdtypes.StateLeafNode, headerID string) error {
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tx, ok := batch.(*BatchTx)
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if !ok {
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return fmt.Errorf("sql: batch is expected to be of type %T, got %T", &BatchTx{}, batch)
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}
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// publish the state node
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var stateModel models.StateNodeModel
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if stateNode.Removed {
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tx.cacheRemoved(shared.RemovedNodeStateCID, []byte{})
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stateModel = models.StateNodeModel{
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BlockNumber: tx.BlockNumber,
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HeaderID: headerID,
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StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
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CID: shared.RemovedNodeStateCID,
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Removed: true,
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}
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} else {
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stateModel = models.StateNodeModel{
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BlockNumber: tx.BlockNumber,
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HeaderID: headerID,
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StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
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CID: stateNode.AccountWrapper.CID,
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Removed: false,
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Balance: stateNode.AccountWrapper.Account.Balance.String(),
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Nonce: stateNode.AccountWrapper.Account.Nonce,
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CodeHash: common.BytesToHash(stateNode.AccountWrapper.Account.CodeHash).String(),
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StorageRoot: stateNode.AccountWrapper.Account.Root.String(),
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}
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}
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// index the state node
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if err := sdi.dbWriter.upsertStateCID(tx.dbtx, stateModel); err != nil {
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return err
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}
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// if there are any storage nodes associated with this node, publish and index them
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for _, storageNode := range stateNode.StorageDiff {
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if storageNode.Removed {
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tx.cacheRemoved(shared.RemovedNodeStorageCID, []byte{})
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storageModel := models.StorageNodeModel{
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BlockNumber: tx.BlockNumber,
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HeaderID: headerID,
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StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
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StorageKey: common.BytesToHash(storageNode.LeafKey).String(),
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CID: shared.RemovedNodeStorageCID,
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Removed: true,
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Value: []byte{},
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}
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if err := sdi.dbWriter.upsertStorageCID(tx.dbtx, storageModel); err != nil {
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return err
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}
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continue
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}
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storageModel := models.StorageNodeModel{
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BlockNumber: tx.BlockNumber,
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HeaderID: headerID,
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StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
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StorageKey: common.BytesToHash(storageNode.LeafKey).String(),
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CID: storageNode.CID,
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Removed: false,
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Value: storageNode.Value,
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}
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if err := sdi.dbWriter.upsertStorageCID(tx.dbtx, storageModel); err != nil {
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return err
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}
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}
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return nil
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}
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// PushIPLD publishes iplds to ipld.blocks
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func (sdi *StateDiffIndexer) PushIPLD(batch interfaces.Batch, ipld sdtypes.IPLD) error {
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tx, ok := batch.(*BatchTx)
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if !ok {
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return fmt.Errorf("sql: batch is expected to be of type %T, got %T", &BatchTx{}, batch)
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}
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tx.cacheDirect(ipld.CID, ipld.Content)
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return nil
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}
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// HasBlock checks whether the indicated block already exists in the database.
|
|
func (sdi *StateDiffIndexer) HasBlock(hash common.Hash, number uint64) (bool, error) {
|
|
return sdi.dbWriter.hasHeader(hash, number)
|
|
}
|
|
|
|
// Close satisfies io.Closer
|
|
func (sdi *StateDiffIndexer) Close() error {
|
|
return sdi.dbWriter.Close()
|
|
}
|
|
|
|
// Update the known gaps table with the gap information.
|
|
|
|
// LoadWatchedAddresses reads watched addresses from the database
|
|
func (sdi *StateDiffIndexer) LoadWatchedAddresses() ([]common.Address, error) {
|
|
addressStrings := make([]string, 0)
|
|
pgStr := "SELECT address FROM eth_meta.watched_addresses"
|
|
err := sdi.dbWriter.db.Select(sdi.ctx, &addressStrings, pgStr)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error loading watched addresses: %v", err)
|
|
}
|
|
|
|
watchedAddresses := []common.Address{}
|
|
for _, addressString := range addressStrings {
|
|
watchedAddresses = append(watchedAddresses, common.HexToAddress(addressString))
|
|
}
|
|
|
|
return watchedAddresses, nil
|
|
}
|
|
|
|
// InsertWatchedAddresses inserts the given addresses in the database
|
|
func (sdi *StateDiffIndexer) InsertWatchedAddresses(args []sdtypes.WatchAddressArg, currentBlockNumber *big.Int) (err error) {
|
|
tx := NewDelayedTx(sdi.dbWriter.db)
|
|
defer func() {
|
|
if p := recover(); p != nil {
|
|
rollback(sdi.ctx, tx)
|
|
panic(p)
|
|
} else if err != nil {
|
|
rollback(sdi.ctx, tx)
|
|
} else {
|
|
err = tx.Commit(sdi.ctx)
|
|
}
|
|
}()
|
|
|
|
for _, arg := range args {
|
|
_, err = tx.Exec(sdi.ctx, `INSERT INTO eth_meta.watched_addresses (address, created_at, watched_at) VALUES ($1, $2, $3) ON CONFLICT (address) DO NOTHING`,
|
|
arg.Address, arg.CreatedAt, currentBlockNumber.Uint64())
|
|
if err != nil {
|
|
return fmt.Errorf("error inserting watched_addresses entry: %v", err)
|
|
}
|
|
}
|
|
|
|
return err
|
|
}
|
|
|
|
// RemoveWatchedAddresses removes the given watched addresses from the database
|
|
func (sdi *StateDiffIndexer) RemoveWatchedAddresses(args []sdtypes.WatchAddressArg) (err error) {
|
|
tx := NewDelayedTx(sdi.dbWriter.db)
|
|
defer func() {
|
|
if p := recover(); p != nil {
|
|
rollback(sdi.ctx, tx)
|
|
panic(p)
|
|
} else if err != nil {
|
|
rollback(sdi.ctx, tx)
|
|
} else {
|
|
err = tx.Commit(sdi.ctx)
|
|
}
|
|
}()
|
|
|
|
for _, arg := range args {
|
|
_, err = tx.Exec(sdi.ctx, `DELETE FROM eth_meta.watched_addresses WHERE address = $1`, arg.Address)
|
|
if err != nil {
|
|
return fmt.Errorf("error removing watched_addresses entry: %v", err)
|
|
}
|
|
}
|
|
|
|
return err
|
|
}
|
|
|
|
// SetWatchedAddresses clears and inserts the given addresses in the database
|
|
func (sdi *StateDiffIndexer) SetWatchedAddresses(args []sdtypes.WatchAddressArg, currentBlockNumber *big.Int) (err error) {
|
|
tx := NewDelayedTx(sdi.dbWriter.db)
|
|
defer func() {
|
|
if p := recover(); p != nil {
|
|
rollback(sdi.ctx, tx)
|
|
panic(p)
|
|
} else if err != nil {
|
|
rollback(sdi.ctx, tx)
|
|
} else {
|
|
err = tx.Commit(sdi.ctx)
|
|
}
|
|
}()
|
|
|
|
_, err = tx.Exec(sdi.ctx, `DELETE FROM eth_meta.watched_addresses`)
|
|
if err != nil {
|
|
return fmt.Errorf("error setting watched_addresses table: %v", err)
|
|
}
|
|
|
|
for _, arg := range args {
|
|
_, err = tx.Exec(sdi.ctx, `INSERT INTO eth_meta.watched_addresses (address, created_at, watched_at) VALUES ($1, $2, $3) ON CONFLICT (address) DO NOTHING`,
|
|
arg.Address, arg.CreatedAt, currentBlockNumber.Uint64())
|
|
if err != nil {
|
|
return fmt.Errorf("error setting watched_addresses table: %v", err)
|
|
}
|
|
}
|
|
|
|
return err
|
|
}
|
|
|
|
// ClearWatchedAddresses clears all the watched addresses from the database
|
|
func (sdi *StateDiffIndexer) ClearWatchedAddresses() error {
|
|
_, err := sdi.dbWriter.db.Exec(sdi.ctx, `DELETE FROM eth_meta.watched_addresses`)
|
|
if err != nil {
|
|
return fmt.Errorf("error clearing watched_addresses table: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|