erigon-pulse/cmd/rpcdaemon/commands/eth_receipts.go
2021-07-15 10:05:57 +07:00

399 lines
11 KiB
Go

package commands
import (
"bytes"
"context"
"encoding/binary"
"fmt"
"math/big"
"github.com/holiman/uint256"
"github.com/RoaringBitmap/roaring"
"github.com/ledgerwatch/erigon/common"
"github.com/ledgerwatch/erigon/common/dbutils"
"github.com/ledgerwatch/erigon/common/hexutil"
"github.com/ledgerwatch/erigon/consensus/ethash"
"github.com/ledgerwatch/erigon/core"
"github.com/ledgerwatch/erigon/core/rawdb"
"github.com/ledgerwatch/erigon/core/state"
"github.com/ledgerwatch/erigon/core/types"
"github.com/ledgerwatch/erigon/core/vm"
"github.com/ledgerwatch/erigon/eth/filters"
"github.com/ledgerwatch/erigon/ethdb"
"github.com/ledgerwatch/erigon/ethdb/bitmapdb"
"github.com/ledgerwatch/erigon/ethdb/cbor"
"github.com/ledgerwatch/erigon/params"
"github.com/ledgerwatch/erigon/rpc"
"github.com/ledgerwatch/erigon/turbo/transactions"
)
func getReceipts(ctx context.Context, tx ethdb.Tx, chainConfig *params.ChainConfig, block *types.Block, senders []common.Address) (types.Receipts, error) {
if cached := rawdb.ReadReceipts(tx, block, senders); cached != nil {
return cached, nil
}
getHeader := func(hash common.Hash, number uint64) *types.Header {
return rawdb.ReadHeader(tx, hash, number)
}
checkTEVM := ethdb.GetCheckTEVM(tx)
_, _, _, ibs, _, err := transactions.ComputeTxEnv(ctx, block, chainConfig, getHeader, checkTEVM, ethash.NewFaker(), tx, block.Hash(), 0)
if err != nil {
return nil, err
}
var receipts types.Receipts
gp := new(core.GasPool).AddGas(block.GasLimit())
var usedGas = new(uint64)
for i, txn := range block.Transactions() {
ibs.Prepare(txn.Hash(), block.Hash(), i)
receipt, _, err := core.ApplyTransaction(chainConfig, getHeader, ethash.NewFaker(), nil, gp, ibs, state.NewNoopWriter(), block.Header(), txn, usedGas, vm.Config{}, checkTEVM)
if err != nil {
return nil, err
}
receipt.BlockHash = block.Hash()
receipts = append(receipts, receipt)
}
return receipts, nil
}
// GetLogs implements eth_getLogs. Returns an array of logs matching a given filter object.
func (api *APIImpl) GetLogs(ctx context.Context, crit filters.FilterCriteria) ([]*types.Log, error) {
var begin, end uint64
var logs []*types.Log //nolint:prealloc
tx, beginErr := api.db.BeginRo(ctx)
if beginErr != nil {
return returnLogs(logs), beginErr
}
defer tx.Rollback()
if crit.BlockHash != nil {
number := rawdb.ReadHeaderNumber(tx, *crit.BlockHash)
if number == nil {
return nil, fmt.Errorf("block not found: %x", *crit.BlockHash)
}
begin = *number
end = *number
} else {
// Convert the RPC block numbers into internal representations
latest, err := getLatestBlockNumber(tx)
if err != nil {
return nil, err
}
begin = 0
if crit.FromBlock != nil && crit.FromBlock.Sign() > 0 {
begin = crit.FromBlock.Uint64()
}
end = latest
if crit.ToBlock != nil && crit.ToBlock.Sign() > 0 {
end = crit.ToBlock.Uint64()
}
}
blockNumbers := roaring.New()
blockNumbers.AddRange(begin, end+1) // [min,max)
topicsBitmap, err := getTopicsBitmap(tx, crit.Topics, uint32(begin), uint32(end))
if err != nil {
return nil, err
}
if topicsBitmap != nil {
if blockNumbers == nil {
blockNumbers = topicsBitmap
} else {
blockNumbers.And(topicsBitmap)
}
}
var addrBitmap *roaring.Bitmap
for _, addr := range crit.Addresses {
m, err := bitmapdb.Get(tx, dbutils.LogAddressIndex, addr[:], uint32(begin), uint32(end))
if err != nil {
return nil, err
}
if addrBitmap == nil {
addrBitmap = m
} else {
addrBitmap = roaring.Or(addrBitmap, m)
}
}
if addrBitmap != nil {
if blockNumbers == nil {
blockNumbers = addrBitmap
} else {
blockNumbers.And(addrBitmap)
}
}
if blockNumbers.GetCardinality() == 0 {
return returnLogs(logs), nil
}
iter := blockNumbers.Iterator()
for iter.HasNext() {
blockNToMatch := uint64(iter.Next())
prefix := make([]byte, 8)
binary.BigEndian.PutUint64(prefix, blockNToMatch)
var logIndex uint
var blockLogs types.Logs
if err := tx.ForPrefix(dbutils.Log, prefix, func(k, v []byte) error {
var logs types.Logs
if err := cbor.Unmarshal(&logs, bytes.NewReader(v)); err != nil {
return fmt.Errorf("receipt unmarshal failed: %w", err)
}
for _, log := range logs {
log.Index = logIndex
logIndex++
}
filtered := filterLogs(logs, crit.Addresses, crit.Topics)
if len(filtered) > 0 {
txIndex := uint(binary.BigEndian.Uint32(k[8:]))
for _, log := range filtered {
log.TxIndex = txIndex
}
blockLogs = append(blockLogs, filtered...)
}
return nil
}); err != nil {
return returnLogs(logs), err
}
if len(blockLogs) > 0 {
b, err := rawdb.ReadBlockByNumber(tx, blockNToMatch)
if err != nil {
return nil, err
}
if b == nil {
return nil, fmt.Errorf("block not found %d", blockNToMatch)
}
blockHash := b.Hash()
for _, log := range blockLogs {
log.BlockNumber = blockNToMatch
log.BlockHash = blockHash
log.TxHash = b.Transactions()[log.TxIndex].Hash()
}
logs = append(logs, blockLogs...)
}
}
return returnLogs(logs), nil
}
// The Topic list restricts matches to particular event topics. Each event has a list
// of topics. Topics matches a prefix of that list. An empty element slice matches any
// topic. Non-empty elements represent an alternative that matches any of the
// contained topics.
//
// Examples:
// {} or nil matches any topic list
// {{A}} matches topic A in first position
// {{}, {B}} matches any topic in first position AND B in second position
// {{A}, {B}} matches topic A in first position AND B in second position
// {{A, B}, {C, D}} matches topic (A OR B) in first position AND (C OR D) in second position
func getTopicsBitmap(c ethdb.Tx, topics [][]common.Hash, from, to uint32) (*roaring.Bitmap, error) {
var result *roaring.Bitmap
for _, sub := range topics {
var bitmapForORing *roaring.Bitmap
for _, topic := range sub {
m, err := bitmapdb.Get(c, dbutils.LogTopicIndex, topic[:], from, to)
if err != nil {
return nil, err
}
if bitmapForORing == nil {
bitmapForORing = m
} else {
bitmapForORing.Or(m)
}
}
if bitmapForORing != nil {
if result == nil {
result = bitmapForORing
} else {
result = roaring.And(bitmapForORing, result)
}
}
}
return result, nil
}
// GetTransactionReceipt implements eth_getTransactionReceipt. Returns the receipt of a transaction given the transaction's hash.
func (api *APIImpl) GetTransactionReceipt(ctx context.Context, hash common.Hash) (map[string]interface{}, error) {
tx, err := api.db.BeginRo(ctx)
if err != nil {
return nil, err
}
defer tx.Rollback()
blockNumber, err := rawdb.ReadTxLookupEntry(tx, hash)
if err != nil {
return nil, err
}
if blockNumber == nil {
return nil, nil // not error, see https://github.com/ledgerwatch/erigon/issues/1645
}
// Extract transactions from block
block, senders, bErr := rawdb.ReadBlockByNumberWithSenders(tx, *blockNumber)
if bErr != nil {
return nil, bErr
}
if block == nil {
return nil, fmt.Errorf("could not find block %d", *blockNumber)
}
var txIndex uint64
for idx, txn := range block.Transactions() {
if txn.Hash() == hash {
txIndex = uint64(idx)
break
}
}
cc, err := api.chainConfig(tx)
if err != nil {
return nil, err
}
receipts, err := getReceipts(ctx, tx, cc, block, senders)
if err != nil {
return nil, fmt.Errorf("getReceipts error: %v", err)
}
if len(receipts) <= int(txIndex) {
return nil, fmt.Errorf("block has less receipts than expected: %d <= %d, block: %d", len(receipts), int(txIndex), blockNumber)
}
return marshalReceipt(receipts[txIndex], block.Transactions()[txIndex], cc, block), nil
}
// GetBlockReceipts - receipts for individual block
func (api *APIImpl) GetBlockReceipts(ctx context.Context, number rpc.BlockNumber) ([]map[string]interface{}, error) {
tx, err := api.db.BeginRo(ctx)
if err != nil {
return nil, err
}
defer tx.Rollback()
blockNum, err := getBlockNumber(number, tx)
if err != nil {
return nil, err
}
block, senders, err := rawdb.ReadBlockByNumberWithSenders(tx, blockNum)
if err != nil {
return nil, err
}
if block == nil {
return nil, nil
}
chainConfig, err := api.chainConfig(tx)
if err != nil {
return nil, err
}
receipts, err := getReceipts(ctx, tx, chainConfig, block, senders)
if err != nil {
return nil, fmt.Errorf("getReceipts error: %v", err)
}
result := make([]map[string]interface{}, 0, len(receipts))
for _, receipt := range receipts {
txn := block.Transactions()[receipt.TransactionIndex]
result = append(result, marshalReceipt(receipt, txn, chainConfig, block))
}
return result, nil
}
func marshalReceipt(receipt *types.Receipt, txn types.Transaction, chainConfig *params.ChainConfig, block *types.Block) map[string]interface{} {
var chainId *big.Int
switch t := txn.(type) {
case *types.LegacyTx:
if t.Protected() {
chainId = types.DeriveChainId(&t.V).ToBig()
}
case *types.AccessListTx:
chainId = t.ChainID.ToBig()
case *types.DynamicFeeTransaction:
chainId = t.ChainID.ToBig()
}
signer := types.LatestSignerForChainID(chainId)
from, _ := txn.Sender(*signer)
fields := map[string]interface{}{
"blockHash": receipt.BlockHash,
"blockNumber": hexutil.Uint64(receipt.BlockNumber.Uint64()),
"transactionHash": txn.Hash(),
"transactionIndex": hexutil.Uint64(receipt.TransactionIndex),
"from": from,
"to": txn.GetTo(),
"type": hexutil.Uint(txn.Type()),
"gasUsed": hexutil.Uint64(receipt.GasUsed),
"cumulativeGasUsed": hexutil.Uint64(receipt.CumulativeGasUsed),
"contractAddress": nil,
"logs": receipt.Logs,
"logsBloom": types.CreateBloom(types.Receipts{receipt}),
}
if !chainConfig.IsLondon(block.NumberU64()) {
fields["effectiveGasPrice"] = hexutil.Uint64(txn.GetPrice().Uint64())
} else {
baseFee, _ := uint256.FromBig(block.BaseFee())
gasPrice := new(big.Int).Add(block.BaseFee(), txn.GetEffectiveGasTip(baseFee).ToBig())
fields["effectiveGasPrice"] = hexutil.Uint64(gasPrice.Uint64())
}
// Assign receipt status.
fields["status"] = hexutil.Uint64(receipt.Status)
if receipt.Logs == nil {
fields["logs"] = [][]*types.Log{}
}
// If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
if receipt.ContractAddress != (common.Address{}) {
fields["contractAddress"] = receipt.ContractAddress
}
return fields
}
func includes(addresses []common.Address, a common.Address) bool {
for _, addr := range addresses {
if addr == a {
return true
}
}
return false
}
// filterLogs creates a slice of logs matching the given criteria.
func filterLogs(logs []*types.Log, addresses []common.Address, topics [][]common.Hash) []*types.Log {
var ret []*types.Log
Logs:
for _, log := range logs {
if len(addresses) > 0 && !includes(addresses, log.Address) {
continue
}
// If the to filtered topics is greater than the amount of topics in logs, skip.
if len(topics) > len(log.Topics) {
continue Logs
}
for i, sub := range topics {
match := len(sub) == 0 // empty rule set == wildcard
for _, topic := range sub {
if log.Topics[i] == topic {
match = true
break
}
}
if !match {
continue Logs
}
}
ret = append(ret, log)
}
return ret
}
func returnLogs(logs []*types.Log) []*types.Log {
if logs == nil {
return []*types.Log{}
}
return logs
}