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Copy pathbigtable_eth1.go
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bigtable_eth1.go
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package db
import (
"bytes"
"context"
"encoding/hex"
"encoding/json"
"errors"
"eth2-exporter/cache"
"eth2-exporter/erc1155"
"eth2-exporter/erc20"
"eth2-exporter/erc721"
"eth2-exporter/rpc"
"eth2-exporter/types"
"eth2-exporter/utils"
"fmt"
"log"
"math/big"
"sort"
"strings"
"sync"
"time"
"strconv"
gcp_bigtable "cloud.google.com/go/bigtable"
"golang.org/x/sync/errgroup"
"google.golang.org/protobuf/types/known/timestamppb"
"github.com/coocood/freecache"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
eth_types "github.com/ethereum/go-ethereum/core/types"
"github.com/go-redis/redis/v8"
"github.com/sirupsen/logrus"
"google.golang.org/protobuf/proto"
)
const (
ECR20TokensPerAddressLimit = uint64(200) // when changing this, you will have to update the swagger docu for func ApiEth1Address too
digitLimitInAddressPagesTable = 17
nameLimitInAddressPagesTable = 0
)
var ErrBlockNotFound = errors.New("block not found")
type IndexFilter string
const (
FILTER_TIME IndexFilter = "TIME"
FILTER_TO IndexFilter = "TO"
FILTER_FROM IndexFilter = "FROM"
FILTER_TOKEN_RECEIVED IndexFilter = "TOKEN_RECEIVED"
FILTER_TOKEN_SENT IndexFilter = "TOKEN_SENT"
FILTER_METHOD IndexFilter = "METHOD"
FILTER_CONTRACT IndexFilter = "CONTRACT"
FILTER_ERROR IndexFilter = "ERROR"
)
const (
DATA_COLUMN = "d"
INDEX_COLUMN = "i"
DEFAULT_FAMILY_BLOCKS = "default"
METADATA_UPDATES_FAMILY_BLOCKS = "blocks"
ACCOUNT_METADATA_FAMILY = "a"
CONTRACT_METADATA_FAMILY = "c"
ERC20_METADATA_FAMILY = "erc20"
ERC721_METADATA_FAMILY = "erc721"
ERC1155_METADATA_FAMILY = "erc1155"
writeRowLimit = 10000
MAX_INT = 9223372036854775807
MIN_INT = -9223372036854775808
)
const (
ACCOUNT_COLUMN_NAME = "NAME"
ACCOUNT_IS_CONTRACT = "ISCONTRACT"
CONTRACT_NAME = "CONTRACTNAME"
CONTRACT_ABI = "ABI"
ERC20_COLUMN_DECIMALS = "DECIMALS"
ERC20_COLUMN_TOTALSUPPLY = "TOTALSUPPLY"
ERC20_COLUMN_SYMBOL = "SYMBOL"
ERC20_COLUMN_PRICE = "PRICE"
ERC20_COLUMN_NAME = "NAME"
ERC20_COLUMN_DESCRIPTION = "DESCRIPTION"
ERC20_COLUMN_LOGO = "LOGO"
ERC20_COLUMN_LOGO_FORMAT = "LOGOFORMAT"
ERC20_COLUMN_LINK = "LINK"
ERC20_COLUMN_OGIMAGE = "OGIMAGE"
ERC20_COLUMN_OGIMAGE_FORMAT = "OGIMAGEFORMAT"
)
var ZERO_ADDRESS []byte = []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
var (
ERC20TOPIC []byte
ERC721TOPIC []byte
ERC1155Topic []byte
)
func (bigtable *Bigtable) SaveBlock(block *types.Eth1Block) error {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
encodedBc, err := proto.Marshal(block)
if err != nil {
return err
}
ts := gcp_bigtable.Timestamp(0)
mut := gcp_bigtable.NewMutation()
mut.Set(DEFAULT_FAMILY_BLOCKS, "data", ts, encodedBc)
err = bigtable.tableBlocks.Apply(ctx, fmt.Sprintf("%s:%s", bigtable.chainId, reversedPaddedBlockNumber(block.Number)), mut)
if err != nil {
return err
}
return nil
}
func (bigtable *Bigtable) GetBlockFromBlocksTable(number uint64) (*types.Eth1Block, error) {
tmr := time.AfterFunc(REPORT_TIMEOUT, func() {
logger.WithFields(logrus.Fields{
"validators": number,
}).Warnf("%s call took longer than %v", utils.GetCurrentFuncName(), REPORT_TIMEOUT)
})
defer tmr.Stop()
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
paddedNumber := reversedPaddedBlockNumber(number)
row, err := bigtable.tableBlocks.ReadRow(ctx, fmt.Sprintf("%s:%s", bigtable.chainId, paddedNumber))
if err != nil {
return nil, err
}
if len(row[DEFAULT_FAMILY_BLOCKS]) == 0 { // block not found
logger.WithFields(logrus.Fields{"block": number}).Warnf("block not found in block table")
return nil, ErrBlockNotFound
}
bc := &types.Eth1Block{}
err = proto.Unmarshal(row[DEFAULT_FAMILY_BLOCKS][0].Value, bc)
if err != nil {
return nil, err
}
return bc, nil
}
func (bigtable *Bigtable) CheckForGapsInBlocksTable(lookback int) (gapFound bool, start int, end int, err error) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
prefix := bigtable.chainId + ":"
previous := 0
i := 0
err = bigtable.tableBlocks.ReadRows(ctx, gcp_bigtable.PrefixRange(prefix), func(r gcp_bigtable.Row) bool {
c, err := strconv.Atoi(strings.Replace(r.Key(), prefix, "", 1))
if err != nil {
logger.Errorf("error parsing block number from key %v: %v", r.Key(), err)
return false
}
c = MAX_EL_BLOCK_NUMBER - c
if c%10000 == 0 {
logger.Infof("scanning, currently at block %v", c)
}
if previous != 0 && previous != c+1 {
gapFound = true
start = c
end = previous
logger.Fatalf("found gap between block %v and block %v in blocks table", previous, c)
return false
}
previous = c
i++
return i < lookback
}, gcp_bigtable.RowFilter(gcp_bigtable.StripValueFilter()))
return gapFound, start, end, err
}
func (bigtable *Bigtable) GetLastBlockInBlocksTable() (int, error) {
tmr := time.AfterFunc(REPORT_TIMEOUT, func() {
logger.Warnf("%s call took longer than %v", utils.GetCurrentFuncName(), REPORT_TIMEOUT)
})
defer tmr.Stop()
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
redisKey := bigtable.chainId + ":lastBlockInBlocksTable"
res, err := bigtable.redisCache.Get(ctx, redisKey).Result()
if err != nil {
// key is not yet set, get data from bigtable and store the key in redis
if errors.Is(err, redis.Nil) {
lastBlock, err := bigtable.getLastBlockInBlocksTableFromBigtable()
if err != nil {
return 0, err
}
return lastBlock, bigtable.SetLastBlockInBlocksTable(int64(lastBlock))
}
return 0, err
}
lastBlock, err := strconv.Atoi(res)
if err != nil {
return 0, err
}
return lastBlock, nil
}
func (bigtable *Bigtable) SetLastBlockInBlocksTable(lastBlock int64) error {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
redisKey := bigtable.chainId + ":lastBlockInBlocksTable"
return bigtable.redisCache.Set(ctx, redisKey, fmt.Sprintf("%d", lastBlock), 0).Err()
}
func (bigtable *Bigtable) CheckForGapsInDataTable(lookback int) error {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
prefix := bigtable.chainId + ":B:"
previous := 0
i := 0
err := bigtable.tableData.ReadRows(ctx, gcp_bigtable.PrefixRange(prefix), func(r gcp_bigtable.Row) bool {
c, err := strconv.Atoi(strings.Replace(r.Key(), prefix, "", 1))
if err != nil {
logger.Errorf("error parsing block number from key %v: %v", r.Key(), err)
return false
}
c = MAX_EL_BLOCK_NUMBER - c
if c%10000 == 0 {
logger.Infof("scanning, currently at block %v", c)
}
if previous != 0 && previous != c+1 {
logger.Fatalf("found gap between block %v and block %v in data table", previous, c)
}
previous = c
i++
return i < lookback
}, gcp_bigtable.RowFilter(gcp_bigtable.StripValueFilter()))
if err != nil {
return err
}
return nil
}
func (bigtable *Bigtable) GetLastBlockInDataTable() (int, error) {
tmr := time.AfterFunc(REPORT_TIMEOUT, func() {
logger.Warnf("%s call took longer than %v", utils.GetCurrentFuncName(), REPORT_TIMEOUT)
})
defer tmr.Stop()
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
redisKey := bigtable.chainId + ":lastBlockInDataTable"
res, err := bigtable.redisCache.Get(ctx, redisKey).Result()
if err != nil {
// key is not yet set, get data from bigtable and store the key in redis
if errors.Is(err, redis.Nil) {
lastBlock, err := bigtable.getLastBlockInDataTableFromBigtable()
if err != nil {
return 0, err
}
return lastBlock, bigtable.SetLastBlockInDataTable(int64(lastBlock))
}
return 0, err
}
lastBlock, err := strconv.Atoi(res)
if err != nil {
return 0, err
}
return lastBlock, nil
}
func (bigtable *Bigtable) getLastBlockInDataTableFromBigtable() (int, error) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
prefix := bigtable.chainId + ":B:"
lastBlock := 0
err := bigtable.tableData.ReadRows(ctx, gcp_bigtable.PrefixRange(prefix), func(r gcp_bigtable.Row) bool {
c, err := strconv.Atoi(strings.Replace(r.Key(), prefix, "", 1))
if err != nil {
logger.Errorf("error parsing block number from key %v: %v", r.Key(), err)
return false
}
c = MAX_EL_BLOCK_NUMBER - c
lastBlock = c
return c == 0 // required as the block with number 0 will be returned as first block before the most recent one
}, gcp_bigtable.LimitRows(2), gcp_bigtable.RowFilter(gcp_bigtable.StripValueFilter()))
if err != nil {
return 0, err
}
return lastBlock, nil
}
func (bigtable *Bigtable) getLastBlockInBlocksTableFromBigtable() (int, error) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
prefix := bigtable.chainId + ":"
lastBlock := 0
err := bigtable.tableBlocks.ReadRows(ctx, gcp_bigtable.PrefixRange(prefix), func(r gcp_bigtable.Row) bool {
c, err := strconv.Atoi(strings.Replace(r.Key(), prefix, "", 1))
if err != nil {
logger.Errorf("error parsing block number from key %v: %v", r.Key(), err)
return false
}
c = MAX_EL_BLOCK_NUMBER - c
lastBlock = c
return c == 0 // required as the block with number 0 will be returned as first block before the most recent one
}, gcp_bigtable.LimitRows(2), gcp_bigtable.RowFilter(gcp_bigtable.StripValueFilter()))
if err != nil {
return 0, err
}
return lastBlock, nil
}
func (bigtable *Bigtable) SetLastBlockInDataTable(lastBlock int64) error {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
redisKey := bigtable.chainId + ":lastBlockInDataTable"
return bigtable.redisCache.Set(ctx, redisKey, fmt.Sprintf("%d", lastBlock), 0).Err()
}
func (bigtable *Bigtable) GetMostRecentBlockFromDataTable() (*types.Eth1BlockIndexed, error) {
tmr := time.AfterFunc(REPORT_TIMEOUT, func() {
logger.Warnf("%s call took longer than %v", utils.GetCurrentFuncName(), REPORT_TIMEOUT)
})
defer tmr.Stop()
ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(time.Second*30))
defer cancel()
prefix := fmt.Sprintf("%s:B:", bigtable.chainId)
rowRange := gcp_bigtable.PrefixRange(prefix)
block := types.Eth1BlockIndexed{}
rowHandler := func(row gcp_bigtable.Row) bool {
c, err := strconv.Atoi(strings.Replace(row.Key(), prefix, "", 1))
if err != nil {
logger.Errorf("error parsing block number from key %v: %v", row.Key(), err)
return false
}
c = MAX_EL_BLOCK_NUMBER - c
err = proto.Unmarshal(row[DEFAULT_FAMILY][0].Value, &block)
if err != nil {
logger.Errorf("error could not unmarschal proto object, err: %v", err)
}
return c == 0
}
err := bigtable.tableData.ReadRows(ctx, rowRange, rowHandler, gcp_bigtable.LimitRows(2), gcp_bigtable.RowFilter(gcp_bigtable.ColumnFilter("d")))
if err != nil {
return nil, err
}
return &block, nil
}
func getBlockHandler(blocks *[]*types.Eth1BlockIndexed) func(gcp_bigtable.Row) bool {
return func(row gcp_bigtable.Row) bool {
if row == nil {
return false
}
if !strings.Contains(row.Key(), ":B:") {
return false
}
block := types.Eth1BlockIndexed{}
err := proto.Unmarshal(row[DEFAULT_FAMILY][0].Value, &block)
if err != nil {
logger.Errorf("error could not unmarschal proto object, err: %v", err)
return false
}
*blocks = append(*blocks, &block)
return true
}
}
// GetFullBlocksDescending streams blocks ranging from high to low (both borders are inclusive) in the correct descending order via a channel.
//
// Special handling for block 0 is implemented.
//
// - stream: channel the function will use for streaming
// - high: highest (max) block number
// - low: lowest (min) block number
func (bigtable *Bigtable) GetFullBlocksDescending(stream chan<- *types.Eth1Block, high, low uint64) error {
tmr := time.AfterFunc(REPORT_TIMEOUT, func() {
logger.WithFields(logrus.Fields{
"high": high,
"low": low,
}).Warnf("%s call took longer than %v", utils.GetCurrentFuncName(), REPORT_TIMEOUT)
})
defer tmr.Stop()
ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(time.Minute*3))
defer cancel()
if high < low {
return fmt.Errorf("invalid block range provided (high: %v, low: %v)", high, low)
}
if high > 0 {
limitedLow := low
if limitedLow == 0 {
// block 0 cannot be included in the range as it is padded incorrectly (will be fetched last, see below)
limitedLow = 1
}
highKey := fmt.Sprintf("%s:%s", bigtable.chainId, reversedPaddedBlockNumber(high))
lowKey := fmt.Sprintf("%s:%s\x00", bigtable.chainId, reversedPaddedBlockNumber(limitedLow)) // add \x00 to make the range inclusive
limit := high - limitedLow + 1
rowRange := gcp_bigtable.NewRange(highKey, lowKey)
rowFilter := gcp_bigtable.RowFilter(gcp_bigtable.ColumnFilter("data"))
rowHandler := func(row gcp_bigtable.Row) bool {
block := types.Eth1Block{}
err := proto.Unmarshal(row[DEFAULT_FAMILY_BLOCKS][0].Value, &block)
if err != nil {
logger.Errorf("error could not unmarschal proto object, err: %v", err)
return false
}
stream <- &block
return true
}
err := bigtable.tableBlocks.ReadRows(ctx, rowRange, rowHandler, rowFilter, gcp_bigtable.LimitRows(int64(limit)))
if err != nil {
return err
}
}
if low == 0 {
// special handling for block 0 which is padded incorrectly
b, err := BigtableClient.GetBlockFromBlocksTable(0)
if err != nil {
return fmt.Errorf("could not retreive block 0: %v", err)
}
stream <- b
}
return nil
}
func (bigtable *Bigtable) GetBlocksIndexedMultiple(blockNumbers []uint64, limit uint64) ([]*types.Eth1BlockIndexed, error) {
tmr := time.AfterFunc(REPORT_TIMEOUT, func() {
logger.WithFields(logrus.Fields{
"blockNumbers": blockNumbers,
"limit": limit,
}).Warnf("%s call took longer than %v", utils.GetCurrentFuncName(), REPORT_TIMEOUT)
})
defer tmr.Stop()
rowList := gcp_bigtable.RowList{}
for _, block := range blockNumbers {
rowList = append(rowList, fmt.Sprintf("%s:B:%s", bigtable.chainId, reversedPaddedBlockNumber(block)))
}
ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(time.Second*30))
defer cancel()
rowFilter := gcp_bigtable.RowFilter(gcp_bigtable.ColumnFilter("d"))
blocks := make([]*types.Eth1BlockIndexed, 0, 100)
rowHandler := getBlockHandler(&blocks)
err := bigtable.tableData.ReadRows(ctx, rowList, rowHandler, rowFilter, gcp_bigtable.LimitRows(int64(limit)))
if err != nil {
return nil, err
}
return blocks, nil
}
// GetBlocksDescending gets a given amount of Eth1BlockIndexed starting at block start from tableData
//
// start: highest block number to be returned
// limit: amount of blocks to be returned
// - if limit > start + 1, limit will be set to start + 1
// - if limit = start + 1, block 0 will be included as last block (special handling for broken padding is implemented)
// - if limit = start, block 0 will of course not be included
func (bigtable *Bigtable) GetBlocksDescending(start, limit uint64) ([]*types.Eth1BlockIndexed, error) {
tmr := time.AfterFunc(REPORT_TIMEOUT, func() {
logger.WithFields(logrus.Fields{
"start": start,
"limit": limit,
}).Warnf("%s call took longer than %v", utils.GetCurrentFuncName(), REPORT_TIMEOUT)
})
defer tmr.Stop()
if limit == 0 {
return nil, fmt.Errorf("error limit is set to 0 which would not fetch any blocks")
}
// clamp limit
if limit > start+1 {
limit = start + 1
}
ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(time.Second*30))
defer cancel()
blocks := make([]*types.Eth1BlockIndexed, 0, limit)
rowHandler := getBlockHandler(&blocks)
rowFilter := gcp_bigtable.RowFilter(gcp_bigtable.ColumnFilter("d"))
if start > 0 {
// block 0 cannot be included in the range as it is padded incorrectly (will be fetched last, see below)
limitedEnd := uint64(1)
if start > limit {
limitedEnd = start - limit
}
startKey := fmt.Sprintf("%s:B:%s", bigtable.chainId, reversedPaddedBlockNumber(start))
endKey := fmt.Sprintf("%s:B:%s\x00", bigtable.chainId, reversedPaddedBlockNumber(limitedEnd)) // add \x00 to make the range inclusive
rowRange := gcp_bigtable.NewRange(startKey, endKey)
err := bigtable.tableData.ReadRows(ctx, rowRange, rowHandler, rowFilter, gcp_bigtable.LimitRows(int64(limit)))
if err != nil {
return nil, err
}
}
if start < limit {
// special handling for block 0 with broken padding (see reversedPaddedBlockNumber)
row, err := bigtable.tableData.ReadRow(ctx, fmt.Sprintf("%s:B:%s", bigtable.chainId, reversedPaddedBlockNumber(0)), rowFilter)
if err != nil {
return nil, err
}
// rowHandler will add block 0 to blocks if it is found
if !rowHandler(row) {
return nil, fmt.Errorf("error could not read block 0")
}
}
return blocks, nil
}
func reversedPaddedBlockNumber(blockNumber uint64) string {
return fmt.Sprintf("%09d", MAX_EL_BLOCK_NUMBER-blockNumber)
}
func reversePaddedBigtableTimestamp(timestamp *timestamppb.Timestamp) string {
if timestamp == nil {
log.Fatalf("unknown timestamp: %v", timestamp)
}
return fmt.Sprintf("%019d", MAX_INT-timestamp.Seconds)
}
func reversePaddedIndex(i int, maxValue int) string {
if i > maxValue {
logrus.Fatalf("padded index %v is greater than the max index of %v", i, maxValue)
}
length := fmt.Sprintf("%d", len(fmt.Sprintf("%d", maxValue))-1)
fmtStr := "%0" + length + "d"
return fmt.Sprintf(fmtStr, maxValue-i)
}
func TimestampToBigtableTimeDesc(ts time.Time) string {
return fmt.Sprintf("%04d%02d%02d%02d%02d%02d", 9999-ts.Year(), 12-ts.Month(), 31-ts.Day(), 23-ts.Hour(), 59-ts.Minute(), 59-ts.Second())
}
func (bigtable *Bigtable) IndexEventsWithTransformers(start, end int64, transforms []func(blk *types.Eth1Block, cache *freecache.Cache) (bulkData *types.BulkMutations, bulkMetadataUpdates *types.BulkMutations, err error), concurrency int64, cache *freecache.Cache) error {
g := new(errgroup.Group)
g.SetLimit(int(concurrency))
logrus.Infof("indexing blocks from %d to %d", start, end)
batchSize := int64(1000)
for i := start; i <= end; i += batchSize {
firstBlock := int64(i)
lastBlock := firstBlock + batchSize - 1
if lastBlock > end {
lastBlock = end
}
g.Go(func() error {
blocksChan := make(chan *types.Eth1Block, batchSize)
go func(stream chan *types.Eth1Block) {
logger.Infof("querying blocks from %v to %v", firstBlock, lastBlock)
high := lastBlock
low := lastBlock - batchSize + 1
if int64(firstBlock) > low {
low = firstBlock
}
err := BigtableClient.GetFullBlocksDescending(stream, uint64(high), uint64(low))
if err != nil {
logger.Errorf("error getting blocks descending high: %v low: %v err: %v", high, low, err)
}
close(stream)
}(blocksChan)
subG := new(errgroup.Group)
subG.SetLimit(int(concurrency))
for b := range blocksChan {
block := b
subG.Go(func() error {
bulkMutsData := types.BulkMutations{}
bulkMutsMetadataUpdate := types.BulkMutations{}
for _, transform := range transforms {
mutsData, mutsMetadataUpdate, err := transform(block, cache)
if err != nil {
logrus.WithError(err).Errorf("error transforming block [%v]", block.Number)
}
bulkMutsData.Keys = append(bulkMutsData.Keys, mutsData.Keys...)
bulkMutsData.Muts = append(bulkMutsData.Muts, mutsData.Muts...)
if mutsMetadataUpdate != nil {
bulkMutsMetadataUpdate.Keys = append(bulkMutsMetadataUpdate.Keys, mutsMetadataUpdate.Keys...)
bulkMutsMetadataUpdate.Muts = append(bulkMutsMetadataUpdate.Muts, mutsMetadataUpdate.Muts...)
}
}
if len(bulkMutsData.Keys) > 0 {
metaKeys := strings.Join(bulkMutsData.Keys, ",") // save block keys in order to be able to handle chain reorgs
err := bigtable.SaveBlockKeys(block.Number, block.Hash, metaKeys)
if err != nil {
return fmt.Errorf("error saving block [%v] keys to bigtable metadata updates table: %w", block.Number, err)
}
err = bigtable.WriteBulk(&bulkMutsData, bigtable.tableData, DEFAULT_BATCH_INSERTS)
if err != nil {
return fmt.Errorf("error writing block [%v] to bigtable data table: %w", block.Number, err)
}
}
if len(bulkMutsMetadataUpdate.Keys) > 0 {
err := bigtable.WriteBulk(&bulkMutsMetadataUpdate, bigtable.tableMetadataUpdates, DEFAULT_BATCH_INSERTS)
if err != nil {
return fmt.Errorf("error writing block [%v] to bigtable metadata updates table: %w", block.Number, err)
}
}
return nil
})
}
return subG.Wait()
})
}
if err := g.Wait(); err == nil {
logrus.Info("data table indexing completed")
} else {
utils.LogError(err, "wait group error", 0)
return err
}
err := g.Wait()
if err != nil {
return err
}
lastBlockInCache, err := bigtable.GetLastBlockInDataTable()
if err != nil {
return err
}
if end > int64(lastBlockInCache) {
err := bigtable.SetLastBlockInDataTable(end)
if err != nil {
return err
}
}
return nil
}
// TransformBlock extracts blocks from bigtable more specifically from the table blocks.
// It transforms the block and strips any information that is not necessary for a blocks view
// It writes blocks to table data:
// Row: <chainID>:B:<reversePaddedBlockNumber>
// Family: f
// Column: data
// Cell: Proto<Eth1BlockIndexed>
//
// It indexes blocks by:
// Row: <chainID>:I:B:<Miner>:<reversePaddedBlockNumber>
// Family: f
// Column: <chainID>:B:<reversePaddedBlockNumber>
// Cell: nil
func (bigtable *Bigtable) TransformBlock(block *types.Eth1Block, cache *freecache.Cache) (bulkData *types.BulkMutations, bulkMetadataUpdates *types.BulkMutations, err error) {
bulkData = &types.BulkMutations{}
bulkMetadataUpdates = &types.BulkMutations{}
idx := types.Eth1BlockIndexed{
Hash: block.GetHash(),
ParentHash: block.GetParentHash(),
UncleHash: block.GetUncleHash(),
Coinbase: block.GetCoinbase(),
Difficulty: block.GetDifficulty(),
Number: block.GetNumber(),
GasLimit: block.GetGasLimit(),
GasUsed: block.GetGasUsed(),
Time: block.GetTime(),
BaseFee: block.GetBaseFee(),
// Duration: uint64(block.GetTime().AsTime().Unix() - previous.GetTime().AsTime().Unix()),
UncleCount: uint64(len(block.GetUncles())),
TransactionCount: uint64(len(block.GetTransactions())),
// BaseFeeChange: new(big.Int).Sub(new(big.Int).SetBytes(block.GetBaseFee()), new(big.Int).SetBytes(previous.GetBaseFee())).Bytes(),
// BlockUtilizationChange: new(big.Int).Sub(new(big.Int).Div(big.NewInt(int64(block.GetGasUsed())), big.NewInt(int64(block.GetGasLimit()))), new(big.Int).Div(big.NewInt(int64(previous.GetGasUsed())), big.NewInt(int64(previous.GetGasLimit())))).Bytes(),
BlobGasUsed: block.GetBlobGasUsed(),
ExcessBlobGas: block.GetExcessBlobGas(),
}
uncleReward := big.NewInt(0)
r := new(big.Int)
for _, uncle := range block.Uncles {
if len(block.Difficulty) == 0 { // no uncle rewards in PoS
continue
}
r.Add(big.NewInt(int64(uncle.GetNumber())), big.NewInt(8))
r.Sub(r, big.NewInt(int64(block.GetNumber())))
r.Mul(r, utils.Eth1BlockReward(block.GetNumber(), block.Difficulty))
r.Div(r, big.NewInt(8))
r.Div(utils.Eth1BlockReward(block.GetNumber(), block.Difficulty), big.NewInt(32))
uncleReward.Add(uncleReward, r)
}
idx.UncleReward = uncleReward.Bytes()
var maxGasPrice *big.Int
var minGasPrice *big.Int
txReward := big.NewInt(0)
for _, t := range block.GetTransactions() {
price := new(big.Int).SetBytes(t.GasPrice)
if minGasPrice == nil {
minGasPrice = price
}
if maxGasPrice == nil {
maxGasPrice = price
}
if price.Cmp(maxGasPrice) > 0 {
maxGasPrice = price
}
if price.Cmp(minGasPrice) < 0 {
minGasPrice = price
}
txFee := new(big.Int).Mul(new(big.Int).SetBytes(t.GasPrice), big.NewInt(int64(t.GasUsed)))
if len(block.BaseFee) > 0 {
effectiveGasPrice := math.BigMin(new(big.Int).Add(new(big.Int).SetBytes(t.MaxPriorityFeePerGas), new(big.Int).SetBytes(block.BaseFee)), new(big.Int).SetBytes(t.MaxFeePerGas))
proposerGasPricePart := new(big.Int).Sub(effectiveGasPrice, new(big.Int).SetBytes(block.BaseFee))
if proposerGasPricePart.Cmp(big.NewInt(0)) >= 0 {
txFee = new(big.Int).Mul(proposerGasPricePart, big.NewInt(int64(t.GasUsed)))
} else {
logger.Errorf("error minerGasPricePart is below 0 for tx %v: %v", t.Hash, proposerGasPricePart)
txFee = big.NewInt(0)
}
}
txReward.Add(txReward, txFee)
for _, itx := range t.Itx {
if itx.Path == "[]" || bytes.Equal(itx.Value, []byte{0x0}) { // skip top level call & empty calls
continue
}
idx.InternalTransactionCount++
}
if t.GetType() == 3 {
idx.BlobTransactionCount++
}
}
idx.TxReward = txReward.Bytes()
// logger.Infof("tx reward for block %v is %v", block.Number, txReward.String())
if maxGasPrice != nil {
idx.LowestGasPrice = minGasPrice.Bytes()
}
if minGasPrice != nil {
idx.HighestGasPrice = maxGasPrice.Bytes()
}
idx.Mev = CalculateMevFromBlock(block).Bytes() // deprecated but we still write the value to keep all blocks consistent
// Mark Coinbase for balance update
bigtable.markBalanceUpdate(idx.Coinbase, []byte{0x0}, bulkMetadataUpdates, cache)
// <chainID>:b:<reverse number>
key := fmt.Sprintf("%s:B:%s", bigtable.chainId, reversedPaddedBlockNumber(block.GetNumber()))
mut := gcp_bigtable.NewMutation()
b, err := proto.Marshal(&idx)
if err != nil {
return nil, nil, fmt.Errorf("error marshalling proto object err: %w", err)
}
mut.Set(DEFAULT_FAMILY, DATA_COLUMN, gcp_bigtable.Timestamp(0), b)
bulkData.Keys = append(bulkData.Keys, key)
bulkData.Muts = append(bulkData.Muts, mut)
indexes := []string{
// Index blocks by the miners address
fmt.Sprintf("%s:I:B:%x:TIME:%s", bigtable.chainId, block.GetCoinbase(), reversePaddedBigtableTimestamp(block.Time)),
}
for _, idx := range indexes {
mut := gcp_bigtable.NewMutation()
mut.Set(DEFAULT_FAMILY, key, gcp_bigtable.Timestamp(0), nil)
bulkData.Keys = append(bulkData.Keys, idx)
bulkData.Muts = append(bulkData.Muts, mut)
}
return bulkData, bulkMetadataUpdates, nil
}
func CalculateMevFromBlock(block *types.Eth1Block) *big.Int {
mevReward := big.NewInt(0)
for _, tx := range block.GetTransactions() {
for _, itx := range tx.GetItx() {
if common.BytesToAddress(itx.To) == common.BytesToAddress(block.GetCoinbase()) {
mevReward = new(big.Int).Add(mevReward, new(big.Int).SetBytes(itx.GetValue()))
}
}
}
return mevReward
}
func CalculateTxFeesFromBlock(block *types.Eth1Block) *big.Int {
txFees := new(big.Int)
for _, tx := range block.Transactions {
txFees.Add(txFees, CalculateTxFeeFromTransaction(tx, new(big.Int).SetBytes(block.BaseFee)))
}
return txFees
}
func CalculateTxFeeFromTransaction(tx *types.Eth1Transaction, blockBaseFee *big.Int) *big.Int {
// calculate tx fee depending on tx type
txFee := new(big.Int).SetUint64(tx.GasUsed)
switch tx.Type {
case 0, 1:
txFee.Mul(txFee, new(big.Int).SetBytes(tx.GasPrice))
case 2, 3:
// multiply gasused with min(baseFee + maxpriorityfee, maxfee)
if normalGasPrice, maxGasPrice := new(big.Int).Add(blockBaseFee, new(big.Int).SetBytes(tx.MaxPriorityFeePerGas)), new(big.Int).SetBytes(tx.MaxFeePerGas); normalGasPrice.Cmp(maxGasPrice) <= 0 {
txFee.Mul(txFee, normalGasPrice)
} else {
txFee.Mul(txFee, maxGasPrice)
}
default:
logger.Errorf("unknown tx type %v", tx.Type)
}
return txFee
}
// TransformTx extracts transactions from bigtable more specifically from the table blocks.
func (bigtable *Bigtable) TransformTx(blk *types.Eth1Block, cache *freecache.Cache) (bulkData *types.BulkMutations, bulkMetadataUpdates *types.BulkMutations, err error) {
bulkData = &types.BulkMutations{}
bulkMetadataUpdates = &types.BulkMutations{}
for i, tx := range blk.Transactions {
if i > 9999 {
return nil, nil, fmt.Errorf("unexpected number of transactions in block expected at most 9999 but got: %v, tx: %x", i, tx.GetHash())
}
iReverse := reversePaddedIndex(i, 10000)
// logger.Infof("address to: %x address: contract: %x, len(to): %v, len(contract): %v, contranct zero: %v", tx.GetTo(), tx.GetContractAddress(), len(tx.GetTo()), len(tx.GetContractAddress()), bytes.Equal(tx.GetContractAddress(), ZERO_ADDRESS))
to := tx.GetTo()
isContract := false
if !bytes.Equal(tx.GetContractAddress(), ZERO_ADDRESS) {
to = tx.GetContractAddress()
isContract = true
}
// logger.Infof("sending to: %x", to)
invokesContract := false
if len(tx.GetItx()) > 0 || tx.GetGasUsed() > 21000 || tx.GetErrorMsg() != "" {
invokesContract = true
}
method := make([]byte, 0)
if len(tx.GetData()) > 3 {
method = tx.GetData()[:4]
}
key := fmt.Sprintf("%s:TX:%x", bigtable.chainId, tx.GetHash())
fee := new(big.Int).Mul(new(big.Int).SetBytes(tx.GetGasPrice()), big.NewInt(int64(tx.GetGasUsed()))).Bytes()
blobFee := new(big.Int).Mul(new(big.Int).SetBytes(tx.GetBlobGasPrice()), big.NewInt(int64(tx.GetBlobGasUsed()))).Bytes()
indexedTx := &types.Eth1TransactionIndexed{
Hash: tx.GetHash(),
BlockNumber: blk.GetNumber(),
Time: blk.GetTime(),
MethodId: method,
From: tx.GetFrom(),
To: to,
Value: tx.GetValue(),
TxFee: fee,
GasPrice: tx.GetGasPrice(),
BlobTxFee: blobFee,
BlobGasPrice: tx.GetBlobGasPrice(),
IsContractCreation: isContract,
InvokesContract: invokesContract,
ErrorMsg: tx.GetErrorMsg(),
}
// Mark Sender and Recipient for balance update
bigtable.markBalanceUpdate(indexedTx.From, []byte{0x0}, bulkMetadataUpdates, cache)
bigtable.markBalanceUpdate(indexedTx.To, []byte{0x0}, bulkMetadataUpdates, cache)
if len(indexedTx.Hash) != 32 {
logger.Fatalf("retrieved hash of length %v for a tx in block %v", len(indexedTx.Hash), blk.GetNumber())
}
b, err := proto.Marshal(indexedTx)
if err != nil {
return nil, nil, err
}
mut := gcp_bigtable.NewMutation()
mut.Set(DEFAULT_FAMILY, DATA_COLUMN, gcp_bigtable.Timestamp(0), b)
bulkData.Keys = append(bulkData.Keys, key)
bulkData.Muts = append(bulkData.Muts, mut)
indexes := []string{
fmt.Sprintf("%s:I:TX:%x:TO:%x:%s:%s", bigtable.chainId, tx.GetFrom(), to, reversePaddedBigtableTimestamp(blk.GetTime()), iReverse),
fmt.Sprintf("%s:I:TX:%x:TIME:%s:%s", bigtable.chainId, tx.GetFrom(), reversePaddedBigtableTimestamp(blk.GetTime()), iReverse),