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core, eth, les, light: scope receipt functionality a bit cleaner

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This commit is contained in:
Péter Szilágyi
2019-04-15 12:36:27 +03:00
parent 6b0ddd141e
commit 7221cb1434
16 changed files with 250 additions and 287 deletions
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77
core/rawdb/accessors_chain.go
View File

@ -19,12 +19,10 @@ package rawdb
import (
"bytes"
"encoding/binary"
"errors"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
@ -311,20 +309,16 @@ func ReadRawReceipts(db ethdb.Reader, hash common.Hash, number uint64) types.Rec
if len(data) == 0 {
return nil
}
// Convert the receipts from their storage form to their internal representation
storageReceipts := []*types.ReceiptForStorage{}
if err := rlp.DecodeBytes(data, &storageReceipts); err != nil {
log.Error("Invalid receipt array RLP", "hash", hash, "err", err)
return nil
}
var receipts types.Receipts
for _, storageReceipt := range storageReceipts {
receipt := (*types.Receipt)(storageReceipt)
receipts = append(receipts, receipt)
receipts := make(types.Receipts, len(storageReceipts))
for i, storageReceipt := range storageReceipts {
receipts[i] = (*types.Receipt)(storageReceipt)
}
return receipts
}
@ -335,79 +329,24 @@ func ReadRawReceipts(db ethdb.Reader, hash common.Hash, number uint64) types.Rec
// The current implementation populates these metadata fields by reading the receipts'
// corresponding block body, so if the block body is not found it will return nil even
// if the receipt itself is stored.
func ReadReceipts(db ethdb.Reader, hash common.Hash, number uint64) types.Receipts {
func ReadReceipts(db ethdb.Reader, hash common.Hash, number uint64, config *params.ChainConfig) types.Receipts {
// We're deriving many fields from the block body, retrieve beside the receipt
receipts := ReadRawReceipts(db, hash, number)
if receipts == nil {
return receipts
return nil
}
// Retrieve the block body to populate missing fields for receipts and logs
body := ReadBody(db, hash, number)
if body == nil {
log.Error("Missing body but have receipt", "hash", hash, "number", number)
return nil
}
genesisHash := ReadCanonicalHash(db, 0)
if genesisHash == (common.Hash{}) {
log.Error("Missing genesis hash")
if err := receipts.DeriveFields(config, hash, number, body.Transactions); err != nil {
log.Error("Failed to derive block receipts fields", "hash", hash, "number", number, "err", err)
return nil
}
config := ReadChainConfig(db, genesisHash)
if config == nil {
log.Error("Missing chain config ", "hash", hash)
return nil
}
SetReceiptsData(config, hash, big.NewInt(int64(number)), body, receipts)
return receipts
}
// SetReceiptsData computes all the non-consensus fields of the receipts
func SetReceiptsData(config *params.ChainConfig, blockHash common.Hash, blockNumber *big.Int, body *types.Body, receipts types.Receipts) error {
signer := types.MakeSigner(config, blockNumber)
transactions, logIndex := body.Transactions, uint(0)
if len(transactions) != len(receipts) {
return errors.New("transaction and receipt count mismatch")
}
for j := 0; j < len(receipts); j++ {
// The transaction hash can be retrieved from the transaction itself
receipts[j].TxHash = transactions[j].Hash()
// block location fields
receipts[j].BlockHash = blockHash
receipts[j].BlockNumber = blockNumber
receipts[j].TransactionIndex = uint(j)
// The contract address can be derived from the transaction itself
if transactions[j].To() == nil {
// Deriving the signer is expensive, only do if it's actually needed
from, _ := types.Sender(signer, transactions[j])
receipts[j].ContractAddress = crypto.CreateAddress(from, transactions[j].Nonce())
}
// The used gas can be calculated based on previous receipts
if j == 0 {
receipts[j].GasUsed = receipts[j].CumulativeGasUsed
} else {
receipts[j].GasUsed = receipts[j].CumulativeGasUsed - receipts[j-1].CumulativeGasUsed
}
// The derived log fields can simply be set from the block and transaction
for k := 0; k < len(receipts[j].Logs); k++ {
receipts[j].Logs[k].BlockNumber = blockNumber.Uint64()
receipts[j].Logs[k].BlockHash = blockHash
receipts[j].Logs[k].TxHash = receipts[j].TxHash
receipts[j].Logs[k].TxIndex = uint(j)
receipts[j].Logs[k].Index = logIndex
logIndex++
}
}
return nil
}
// WriteReceipts stores all the transaction receipts belonging to a block.
func WriteReceipts(db ethdb.Writer, hash common.Hash, number uint64, receipts types.Receipts) {
// Convert the receipts into their storage form and serialize them

182
core/rawdb/accessors_chain_test.go
View File

@ -20,14 +20,12 @@ import (
"bytes"
"encoding/hex"
"fmt"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/params"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
"golang.org/x/crypto/sha3"
)
@ -272,11 +270,13 @@ func TestHeadStorage(t *testing.T) {
func TestBlockReceiptStorage(t *testing.T) {
db := NewMemoryDatabase()
// Create a live block since we need metadata to reconstruct the receipt
tx1 := types.NewTransaction(1, common.HexToAddress("0x1"), big.NewInt(1), 1, big.NewInt(1), nil)
tx2 := types.NewTransaction(2, common.HexToAddress("0x2"), big.NewInt(2), 2, big.NewInt(2), nil)
// Include block needed to read metadata.
body := &types.Body{Transactions: types.Transactions{tx1, tx2}}
// Create the two receipts to manage afterwards
receipt1 := &types.Receipt{
Status: types.ReceiptStatusFailed,
CumulativeGasUsed: 1,
@ -289,6 +289,7 @@ func TestBlockReceiptStorage(t *testing.T) {
GasUsed: 111111,
}
receipt1.Bloom = types.CreateBloom(types.Receipts{receipt1})
receipt2 := &types.Receipt{
PostState: common.Hash{2}.Bytes(),
CumulativeGasUsed: 2,
@ -305,41 +306,35 @@ func TestBlockReceiptStorage(t *testing.T) {
// Check that no receipt entries are in a pristine database
hash := common.BytesToHash([]byte{0x03, 0x14})
if rs := ReadReceipts(db, hash, 0); len(rs) != 0 {
if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) != 0 {
t.Fatalf("non existent receipts returned: %v", rs)
}
// Insert the body that corresponds to the receipts.
// Insert the body that corresponds to the receipts
WriteBody(db, hash, 0, body)
// Insert the receipt slice into the database and check presence
WriteReceipts(db, hash, 0, receipts)
// Insert canonical hash that the chain configuration will be mapped to.
WriteCanonicalHash(db, hash, 0)
// Insert the chain configuration.
WriteChainConfig(db, hash, params.MainnetChainConfig)
if rs := ReadReceipts(db, hash, 0); len(rs) == 0 {
if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) == 0 {
t.Fatalf("no receipts returned")
} else {
if err := checkReceiptsRLP(rs, receipts); err != nil {
t.Fatalf(err.Error())
}
}
// Delete the body and ensure that the receipts are no longer returned (metadata can't be recomputed)
DeleteBody(db, hash, 0)
// Check that receipts are no longer returned when metadata cannot be recomputed.
if rs := ReadReceipts(db, hash, 0); rs != nil {
if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); rs != nil {
t.Fatalf("receipts returned when body was deleted: %v", rs)
}
// Check that receipts without metadata can be returned when specifically
rs := ReadRawReceipts(db, hash, 0)
if err := checkReceiptsRLP(rs, receipts); err != nil {
// Ensure that receipts without metadata can be returned without the block body too
if err := checkReceiptsRLP(ReadRawReceipts(db, hash, 0), receipts); err != nil {
t.Fatalf(err.Error())
}
// Re-insert the body that corresponds to the receipts.
// Sanity check that body alone without the receipt is a full purge
WriteBody(db, hash, 0, body)
// Delete the receipt slice and check purge
DeleteReceipts(db, hash, 0)
if rs := ReadReceipts(db, hash, 0); len(rs) != 0 {
if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) != 0 {
t.Fatalf("deleted receipts returned: %v", rs)
}
}
@ -348,7 +343,6 @@ func checkReceiptsRLP(have, want types.Receipts) error {
if len(have) != len(want) {
return fmt.Errorf("receipts sizes mismatch: have %d, want %d", len(have), len(want))
}
for i := 0; i < len(want); i++ {
rlpHave, err := rlp.EncodeToBytes(have[i])
if err != nil {
@ -358,155 +352,9 @@ func checkReceiptsRLP(have, want types.Receipts) error {
if err != nil {
return err
}
if !bytes.Equal(rlpHave, rlpWant) {
return fmt.Errorf("receipt #%d: receipt mismatch: have %s, want %s", i, hex.EncodeToString(rlpHave), hex.EncodeToString(rlpWant))
}
}
return nil
}
// Tests that receipts associated with a single block can be stored and retrieved.
func TestSetReceiptsData(t *testing.T) {
tx0 := types.NewContractCreation(1, big.NewInt(1), 1, big.NewInt(1), nil)
tx1 := types.NewTransaction(2, common.HexToAddress("0x2"), big.NewInt(2), 2, big.NewInt(2), nil)
txs := types.Transactions{tx0, tx1}
// Include block needed to read metadata.
body := &types.Body{Transactions: txs}
receipt1 := &types.Receipt{
Status: types.ReceiptStatusFailed,
CumulativeGasUsed: 1,
Logs: []*types.Log{
{Address: common.BytesToAddress([]byte{0x11})},
{Address: common.BytesToAddress([]byte{0x01, 0x11})},
},
TxHash: tx0.Hash(),
ContractAddress: common.BytesToAddress([]byte{0x01, 0x11, 0x11}),
GasUsed: 1,
}
receipt2 := &types.Receipt{
PostState: common.Hash{2}.Bytes(),
CumulativeGasUsed: 3,
Logs: []*types.Log{
{Address: common.BytesToAddress([]byte{0x22})},
{Address: common.BytesToAddress([]byte{0x02, 0x22})},
},
TxHash: tx1.Hash(),
ContractAddress: common.BytesToAddress([]byte{0x02, 0x22, 0x22}),
GasUsed: 2,
}
receipt2.Bloom = types.CreateBloom(types.Receipts{receipt2})
receipts := []*types.Receipt{receipt1, receipt2}
blockNumber := big.NewInt(1)
blockHash := common.BytesToHash([]byte{0x03, 0x14})
clearComputedFieldsOnReceipts(t, receipts)
if err := SetReceiptsData(params.MainnetChainConfig, blockHash, blockNumber, body, receipts); err != nil {
t.Fatalf("SetReceiptsData(...) = %v, want <nil>", err)
}
signer := types.MakeSigner(params.MainnetChainConfig, blockNumber)
logIndex := uint(0)
for i := range receipts {
if receipts[i].TxHash != txs[i].Hash() {
t.Errorf("receipts[%d].TxHash = %s, want %s", i, receipts[i].TxHash.String(), txs[i].Hash().String())
}
if receipts[i].BlockHash != blockHash {
t.Errorf("receipts[%d].BlockHash = %s, want %s", i, receipts[i].BlockHash.String(), blockHash.String())
}
if receipts[i].BlockNumber.Cmp(blockNumber) != 0 {
t.Errorf("receipts[%c].BlockNumber = %s, want %s", i, receipts[i].BlockNumber.String(), blockNumber.String())
}
if receipts[i].TransactionIndex != uint(i) {
t.Errorf("receipts[%d].TransactionIndex = %d, want %d", i, receipts[i].TransactionIndex, i)
}
if receipts[i].GasUsed != txs[i].Gas() {
t.Errorf("receipts[%d].GasUsed = %d, want %d", i, receipts[i].GasUsed, txs[i].Gas())
}
if txs[i].To() != nil && receipts[i].ContractAddress != (common.Address{}) {
t.Errorf("receipts[%d].ContractAddress = %s, want %s", i, receipts[i].ContractAddress, (common.Address{}).String())
}
from, _ := types.Sender(signer, txs[i])
contractAddress := crypto.CreateAddress(from, txs[i].Nonce())
if txs[i].To() == nil && receipts[i].ContractAddress != contractAddress {
t.Errorf("receipts[%d].ContractAddress = %s, want %s", i, receipts[i].ContractAddress.String(), contractAddress.String())
}
for j := range receipts[i].Logs {
if receipts[i].Logs[j].BlockNumber != blockNumber.Uint64() {
t.Errorf("receipts[%d].Logs[%d].BlockNumber = %d, want %d", i, j, receipts[i].Logs[j].BlockNumber, blockNumber.Uint64())
}
if receipts[i].Logs[j].BlockHash != blockHash {
t.Errorf("receipts[%d].Logs[%d].BlockHash = %s, want %s", i, j, receipts[i].Logs[j].BlockHash.String(), blockHash.String())
}
if receipts[i].Logs[j].TxHash != txs[i].Hash() {
t.Errorf("receipts[%d].Logs[%d].TxHash = %s, want %s", i, j, receipts[i].Logs[j].TxHash.String(), txs[i].Hash().String())
}
if receipts[i].Logs[j].TxHash != txs[i].Hash() {
t.Errorf("receipts[%d].Logs[%d].TxHash = %s, want %s", i, j, receipts[i].Logs[j].TxHash.String(), txs[i].Hash().String())
}
if receipts[i].Logs[j].TxIndex != uint(i) {
t.Errorf("receipts[%d].Logs[%d].TransactionIndex = %d, want %d", i, j, receipts[i].Logs[j].TxIndex, i)
}
if receipts[i].Logs[j].Index != logIndex {
t.Errorf("receipts[%d].Logs[%d].Index = %d, want %d", i, j, receipts[i].Logs[j].Index, logIndex)
}
logIndex++
}
}
}
func clearComputedFieldsOnReceipts(t *testing.T, receipts types.Receipts) {
t.Helper()
for _, receipt := range receipts {
clearComputedFieldsOnReceipt(t, receipt)
}
}
func clearComputedFieldsOnReceipt(t *testing.T, receipt *types.Receipt) {
t.Helper()
receipt.TxHash = common.Hash{}
receipt.BlockHash = common.Hash{}
receipt.BlockNumber = big.NewInt(math.MaxUint32)
receipt.TransactionIndex = math.MaxUint32
receipt.ContractAddress = common.Address{}
receipt.GasUsed = 0
clearComputedFieldsOnLogs(t, receipt.Logs)
}
func clearComputedFieldsOnLogs(t *testing.T, logs []*types.Log) {
t.Helper()
for _, log := range logs {
clearComputedFieldsOnLog(t, log)
}
}
func clearComputedFieldsOnLog(t *testing.T, log *types.Log) {
t.Helper()
log.BlockNumber = math.MaxUint32
log.BlockHash = common.Hash{}
log.TxHash = common.Hash{}
log.TxIndex = math.MaxUint32
log.Index = math.MaxUint32
}

7
core/rawdb/accessors_indexes.go
View File

@ -21,6 +21,7 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
@ -85,7 +86,8 @@ func ReadTransaction(db ethdb.Reader, hash common.Hash) (*types.Transaction, com
// ReadReceipt retrieves a specific transaction receipt from the database, along with
// its added positional metadata.
func ReadReceipt(db ethdb.Reader, hash common.Hash) (*types.Receipt, common.Hash, uint64, uint64) {
func ReadReceipt(db ethdb.Reader, hash common.Hash, config *params.ChainConfig) (*types.Receipt, common.Hash, uint64, uint64) {
// Retrieve the context of the receipt based on the transaction hash
blockHash := ReadTxLookupEntry(db, hash)
if blockHash == (common.Hash{}) {
return nil, common.Hash{}, 0, 0
@ -94,7 +96,8 @@ func ReadReceipt(db ethdb.Reader, hash common.Hash) (*types.Receipt, common.Hash
if blockNumber == nil {
return nil, common.Hash{}, 0, 0
}
receipts := ReadReceipts(db, blockHash, *blockNumber)
// Read all the receipts from the block and return the one with the matching hash
receipts := ReadReceipts(db, blockHash, *blockNumber, config)
for receiptIndex, receipt := range receipts {
if receipt.TxHash == hash {
return receipt, blockHash, *blockNumber, uint64(receiptIndex)