plugeth-statediff/indexer/database/dump/indexer.go

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// VulcanizeDB
// Copyright © 2021 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 dump
import (
"encoding/hex"
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"fmt"
"io"
"math/big"
"time"
"github.com/multiformats/go-multihash"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
"github.com/cerc-io/plugeth-statediff/indexer/database/metrics"
"github.com/cerc-io/plugeth-statediff/indexer/interfaces"
"github.com/cerc-io/plugeth-statediff/indexer/ipld"
"github.com/cerc-io/plugeth-statediff/indexer/models"
"github.com/cerc-io/plugeth-statediff/indexer/shared"
sdtypes "github.com/cerc-io/plugeth-statediff/types"
"github.com/cerc-io/plugeth-statediff/utils/log"
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)
var _ interfaces.StateDiffIndexer = &StateDiffIndexer{}
// StateDiffIndexer satisfies the indexer.StateDiffIndexer interface for ethereum statediff objects on top of a void
type StateDiffIndexer struct {
dump io.WriteCloser
chainConfig *params.ChainConfig
}
// NewStateDiffIndexer creates a void implementation of interfaces.StateDiffIndexer
func NewStateDiffIndexer(chainConfig *params.ChainConfig, config Config) *StateDiffIndexer {
return &StateDiffIndexer{
dump: config.Dump,
chainConfig: chainConfig,
}
}
// ReportDBMetrics has nothing to report for dump
func (sdi *StateDiffIndexer) ReportDBMetrics(time.Duration, <-chan bool) {}
// PushBlock pushes and indexes block data in sql, except state & storage nodes (includes header, uncles, transactions & receipts)
// Returns an initiated DB transaction which must be Closed via defer to commit or rollback
func (sdi *StateDiffIndexer) PushBlock(block *types.Block, receipts types.Receipts, totalDifficulty *big.Int) (interfaces.Batch, error) {
start, t := time.Now(), time.Now()
blockHash := block.Hash()
blockHashStr := blockHash.String()
height := block.NumberU64()
traceMsg := fmt.Sprintf("indexer stats for statediff at %d with hash %s:\r\n", height, blockHashStr)
transactions := block.Transactions()
// Derive any missing fields
if err := receipts.DeriveFields(sdi.chainConfig, blockHash, height, block.BaseFee(), transactions); err != nil {
return nil, err
}
// Generate the block iplds
headerNode, txNodes, rctNodes, logNodes, err := ipld.FromBlockAndReceipts(block, receipts)
if err != nil {
return nil, fmt.Errorf("error creating IPLD nodes from block and receipts: %v", err)
}
if len(txNodes) != len(rctNodes) {
return nil, fmt.Errorf("expected number of transactions (%d), receipts (%d)", len(txNodes), len(rctNodes))
}
// Calculate reward
var reward *big.Int
// in PoA networks block reward is 0
if sdi.chainConfig.Clique != nil {
reward = big.NewInt(0)
} else {
reward = shared.CalcEthBlockReward(block.Header(), block.Uncles(), block.Transactions(), receipts)
}
t = time.Now()
blockTx := &BatchTx{
BlockNumber: block.Number().String(),
dump: sdi.dump,
iplds: make(chan models.IPLDModel),
quit: make(chan struct{}),
ipldCache: models.IPLDBatch{},
submit: func(self *BatchTx, err error) error {
close(self.quit)
close(self.iplds)
tDiff := time.Since(t)
metrics.IndexerMetrics.StateStoreCodeProcessingTimer.Update(tDiff)
traceMsg += fmt.Sprintf("state, storage, and code storage processing time: %s\r\n", tDiff.String())
t = time.Now()
if err := self.flush(); err != nil {
traceMsg += fmt.Sprintf(" TOTAL PROCESSING DURATION: %s\r\n", time.Since(start).String())
log.Debug(traceMsg)
return err
}
tDiff = time.Since(t)
metrics.IndexerMetrics.PostgresCommitTimer.Update(tDiff)
traceMsg += fmt.Sprintf("postgres transaction commit duration: %s\r\n", tDiff.String())
traceMsg += fmt.Sprintf(" TOTAL PROCESSING DURATION: %s\r\n", time.Since(start).String())
log.Debug(traceMsg)
return err
},
}
go blockTx.cache()
tDiff := time.Since(t)
metrics.IndexerMetrics.FreePostgresTimer.Update(tDiff)
traceMsg += fmt.Sprintf("time spent waiting for free postgres tx: %s:\r\n", tDiff.String())
t = time.Now()
// Publish and index header, collect headerID
var headerID string
headerID, err = sdi.processHeader(blockTx, block.Header(), headerNode, reward, totalDifficulty)
if err != nil {
return nil, err
}
tDiff = time.Since(t)
metrics.IndexerMetrics.HeaderProcessingTimer.Update(tDiff)
traceMsg += fmt.Sprintf("header processing time: %s\r\n", tDiff.String())
t = time.Now()
// Publish and index uncles
err = sdi.processUncles(blockTx, headerID, block.Number(), block.UncleHash(), block.Uncles())
if err != nil {
return nil, err
}
tDiff = time.Since(t)
metrics.IndexerMetrics.UncleProcessingTimer.Update(tDiff)
traceMsg += fmt.Sprintf("uncle processing time: %s\r\n", tDiff.String())
t = time.Now()
// Publish and index receipts and txs
err = sdi.processReceiptsAndTxs(blockTx, processArgs{
headerID: headerID,
blockNumber: block.Number(),
receipts: receipts,
txs: transactions,
rctNodes: rctNodes,
txNodes: txNodes,
logNodes: logNodes,
})
if err != nil {
return nil, err
}
tDiff = time.Since(t)
metrics.IndexerMetrics.TxAndRecProcessingTimer.Update(tDiff)
traceMsg += fmt.Sprintf("tx and receipt processing time: %s\r\n", tDiff.String())
t = time.Now()
return blockTx, err
}
// processHeader publishes and indexes a header IPLD in Postgres
// it returns the headerID
func (sdi *StateDiffIndexer) processHeader(tx *BatchTx, header *types.Header, headerNode ipld.IPLD, reward, td *big.Int) (string, error) {
tx.cacheIPLD(headerNode)
headerID := header.Hash().String()
mod := models.HeaderModel{
CID: headerNode.Cid().String(),
ParentHash: header.ParentHash.String(),
BlockNumber: header.Number.String(),
BlockHash: headerID,
TotalDifficulty: td.String(),
Reward: reward.String(),
Bloom: header.Bloom.Bytes(),
StateRoot: header.Root.String(),
RctRoot: header.ReceiptHash.String(),
TxRoot: header.TxHash.String(),
UnclesHash: header.UncleHash.String(),
Timestamp: header.Time,
Coinbase: header.Coinbase.String(),
}
_, err := fmt.Fprintf(sdi.dump, "%+v\r\n", mod)
return headerID, err
}
// processUncles publishes and indexes uncle IPLDs in Postgres
func (sdi *StateDiffIndexer) processUncles(tx *BatchTx, headerID string, blockNumber *big.Int, unclesHash common.Hash, uncles []*types.Header) error {
// publish and index uncles
uncleEncoding, err := rlp.EncodeToBytes(uncles)
if err != nil {
return err
}
preparedHash := crypto.Keccak256Hash(uncleEncoding)
if preparedHash != unclesHash {
return fmt.Errorf("derived uncles hash (%s) does not match the hash in the header (%s)", preparedHash.String(), unclesHash.String())
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}
unclesCID, err := ipld.RawdataToCid(ipld.MEthHeaderList, uncleEncoding, multihash.KECCAK_256)
if err != nil {
return err
}
tx.cacheDirect(unclesCID.String(), uncleEncoding)
for i, uncle := range uncles {
var uncleReward *big.Int
// in PoA networks uncle reward is 0
if sdi.chainConfig.Clique != nil {
uncleReward = big.NewInt(0)
} else {
uncleReward = shared.CalcUncleMinerReward(blockNumber.Uint64(), uncle.Number.Uint64())
}
uncle := models.UncleModel{
BlockNumber: blockNumber.String(),
HeaderID: headerID,
CID: unclesCID.String(),
ParentHash: uncle.ParentHash.String(),
BlockHash: uncle.Hash().String(),
Reward: uncleReward.String(),
Index: int64(i),
}
if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", uncle); err != nil {
return err
}
}
return nil
}
// processArgs bundles arguments to processReceiptsAndTxs
type processArgs struct {
headerID string
blockNumber *big.Int
receipts types.Receipts
txs types.Transactions
rctNodes []*ipld.EthReceipt
txNodes []*ipld.EthTx
logNodes [][]*ipld.EthLog
}
// processReceiptsAndTxs publishes and indexes receipt and transaction IPLDs in Postgres
func (sdi *StateDiffIndexer) processReceiptsAndTxs(tx *BatchTx, args processArgs) error {
// Process receipts and txs
signer := types.MakeSigner(sdi.chainConfig, args.blockNumber)
for i, receipt := range args.receipts {
txNode := args.txNodes[i]
tx.cacheIPLD(txNode)
// Indexing
// index tx
trx := args.txs[i]
trxID := trx.Hash().String()
var val string
if trx.Value() != nil {
val = trx.Value().String()
}
// derive sender for the tx that corresponds with this receipt
from, err := types.Sender(signer, trx)
if err != nil {
return fmt.Errorf("error deriving tx sender: %v", err)
}
txModel := models.TxModel{
BlockNumber: args.blockNumber.String(),
HeaderID: args.headerID,
Dst: shared.HandleZeroAddrPointer(trx.To()),
Src: shared.HandleZeroAddr(from),
TxHash: trxID,
Index: int64(i),
CID: txNode.Cid().String(),
Type: trx.Type(),
Value: val,
}
if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", txModel); err != nil {
return err
}
// this is the contract address if this receipt is for a contract creation tx
contract := shared.HandleZeroAddr(receipt.ContractAddress)
// index the receipt
rctModel := &models.ReceiptModel{
BlockNumber: args.blockNumber.String(),
HeaderID: args.headerID,
TxID: trxID,
Contract: contract,
CID: args.rctNodes[i].Cid().String(),
}
if len(receipt.PostState) == 0 {
rctModel.PostStatus = receipt.Status
} else {
rctModel.PostState = hex.EncodeToString(receipt.PostState)
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}
if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", rctModel); err != nil {
return err
}
logDataSet := make([]*models.LogsModel, len(receipt.Logs))
for idx, l := range receipt.Logs {
topicSet := make([]string, 4)
for ti, topic := range l.Topics {
topicSet[ti] = topic.String()
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}
logDataSet[idx] = &models.LogsModel{
BlockNumber: args.blockNumber.String(),
HeaderID: args.headerID,
ReceiptID: trxID,
Address: l.Address.String(),
Index: int64(l.Index),
CID: args.logNodes[i][idx].Cid().String(),
Topic0: topicSet[0],
Topic1: topicSet[1],
Topic2: topicSet[2],
Topic3: topicSet[3],
}
}
if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", logDataSet); err != nil {
return err
}
}
return nil
}
// PushStateNode publishes and indexes a state diff node object (including any child storage nodes) in the IPLD sql
func (sdi *StateDiffIndexer) PushStateNode(batch interfaces.Batch, stateNode sdtypes.StateLeafNode, headerID string) error {
tx, ok := batch.(*BatchTx)
if !ok {
return fmt.Errorf("dump: batch is expected to be of type %T, got %T", &BatchTx{}, batch)
}
// publish the state node
var stateModel models.StateNodeModel
if stateNode.Removed {
// short circuit if it is a Removed node
// this assumes the db has been initialized and a ipld.blocks entry for the Removed node is present
stateModel = models.StateNodeModel{
BlockNumber: tx.BlockNumber,
HeaderID: headerID,
StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
CID: shared.RemovedNodeStateCID,
Removed: true,
}
} else {
stateModel = models.StateNodeModel{
BlockNumber: tx.BlockNumber,
HeaderID: headerID,
StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
CID: stateNode.AccountWrapper.CID,
Removed: false,
Balance: stateNode.AccountWrapper.Account.Balance.String(),
Nonce: stateNode.AccountWrapper.Account.Nonce,
CodeHash: common.BytesToHash(stateNode.AccountWrapper.Account.CodeHash).String(),
StorageRoot: stateNode.AccountWrapper.Account.Root.String(),
}
}
// index the state node, collect the stateID to reference by FK
if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", stateModel); err != nil {
return err
}
// if there are any storage nodes associated with this node, publish and index them
for _, storageNode := range stateNode.StorageDiff {
if storageNode.Removed {
// short circuit if it is a Removed node
// this assumes the db has been initialized and a ipld.blocks entry for the Removed node is present
storageModel := models.StorageNodeModel{
BlockNumber: tx.BlockNumber,
HeaderID: headerID,
StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
StorageKey: common.BytesToHash(storageNode.LeafKey).String(),
CID: shared.RemovedNodeStorageCID,
Removed: true,
}
if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", storageModel); err != nil {
return err
}
continue
}
storageModel := models.StorageNodeModel{
BlockNumber: tx.BlockNumber,
HeaderID: headerID,
StateKey: common.BytesToHash(stateNode.AccountWrapper.LeafKey).String(),
StorageKey: common.BytesToHash(storageNode.LeafKey).String(),
CID: storageNode.CID,
Removed: false,
Value: storageNode.Value,
}
if _, err := fmt.Fprintf(sdi.dump, "%+v\r\n", storageModel); err != nil {
return err
}
}
return nil
}
// PushIPLD publishes iplds to ipld.blocks
func (sdi *StateDiffIndexer) PushIPLD(batch interfaces.Batch, ipld sdtypes.IPLD) error {
tx, ok := batch.(*BatchTx)
if !ok {
return fmt.Errorf("dump: batch is expected to be of type %T, got %T", &BatchTx{}, batch)
}
tx.cacheDirect(ipld.CID, ipld.Content)
return nil
}
// HasBlock checks whether the indicated block already exists in the output.
// In the "dump" case, this is presumed to be false.
func (sdi *StateDiffIndexer) HasBlock(hash common.Hash, number uint64) (bool, error) {
return false, nil
}
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// Close satisfies io.Closer
func (sdi *StateDiffIndexer) Close() error {
return sdi.dump.Close()
}
// LoadWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
func (sdi *StateDiffIndexer) LoadWatchedAddresses() ([]common.Address, error) {
return nil, nil
}
// InsertWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
func (sdi *StateDiffIndexer) InsertWatchedAddresses(args []sdtypes.WatchAddressArg, currentBlockNumber *big.Int) error {
return nil
}
// RemoveWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
func (sdi *StateDiffIndexer) RemoveWatchedAddresses(args []sdtypes.WatchAddressArg) error {
return nil
}
// SetWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
func (sdi *StateDiffIndexer) SetWatchedAddresses(args []sdtypes.WatchAddressArg, currentBlockNumber *big.Int) error {
return nil
}
// ClearWatchedAddresses satisfies the interfaces.StateDiffIndexer interface
func (sdi *StateDiffIndexer) ClearWatchedAddresses() error {
return nil
}