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core, miner: miner header validation, transaction & receipt writing

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* Miners do now verify their own header, not their state.
* Changed old putTx and putReceipts to be exported
* Moved writing of transactions and receipts out of the block processer
  in to the chain manager. Closes #1386
* Miner post ChainHeadEvent & ChainEvent. Closes #1388
This commit is contained in:
Jeffrey Wilcke 2015-07-03 11:24:42 +02:00
parent 03129e7c93
commit 29e2fb38f8
15 changed files with 126 additions and 89 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cmd/utils/flags.go
View File

@ -412,7 +412,7 @@ func MakeChain(ctx *cli.Context) (chain *core.ChainManager, blockDB, stateDB, ex
eventMux := new(event.TypeMux)
pow := ethash.New()
genesis := core.GenesisBlock(uint64(ctx.GlobalInt(GenesisNonceFlag.Name)), blockDB)
chain, err = core.NewChainManager(genesis, blockDB, stateDB, pow, eventMux)
chain, err = core.NewChainManager(genesis, blockDB, stateDB, extraDB, pow, eventMux)
if err != nil {
Fatalf("Could not start chainmanager: %v", err)
}

2
core/bench_test.go
View File

@ -152,7 +152,7 @@ func benchInsertChain(b *testing.B, disk bool, gen func(int, *BlockGen)) {
// Time the insertion of the new chain.
// State and blocks are stored in the same DB.
evmux := new(event.TypeMux)
chainman, _ := NewChainManager(genesis, db, db, FakePow{}, evmux)
chainman, _ := NewChainManager(genesis, db, db, db, FakePow{}, evmux)
chainman.SetProcessor(NewBlockProcessor(db, db, FakePow{}, chainman, evmux))
defer chainman.Stop()
b.ReportAllocs()

64
core/block_processor.go
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@ -151,7 +151,7 @@ func (sm *BlockProcessor) RetryProcess(block *types.Block) (logs state.Logs, err
errch := make(chan bool)
go func() { errch <- sm.Pow.Verify(block) }()
logs, err = sm.processWithParent(block, parent)
logs, _, err = sm.processWithParent(block, parent)
if !<-errch {
return nil, ValidationError("Block's nonce is invalid (= %x)", block.Nonce)
}
@ -162,23 +162,23 @@ func (sm *BlockProcessor) RetryProcess(block *types.Block) (logs state.Logs, err
// Process block will attempt to process the given block's transactions and applies them
// on top of the block's parent state (given it exists) and will return wether it was
// successful or not.
func (sm *BlockProcessor) Process(block *types.Block) (logs state.Logs, err error) {
func (sm *BlockProcessor) Process(block *types.Block) (logs state.Logs, receipts types.Receipts, err error) {
// Processing a blocks may never happen simultaneously
sm.mutex.Lock()
defer sm.mutex.Unlock()
if sm.bc.HasBlock(block.Hash()) {
return nil, &KnownBlockError{block.Number(), block.Hash()}
return nil, nil, &KnownBlockError{block.Number(), block.Hash()}
}
if !sm.bc.HasBlock(block.ParentHash()) {
return nil, ParentError(block.ParentHash())
return nil, nil, ParentError(block.ParentHash())
}
parent := sm.bc.GetBlock(block.ParentHash())
return sm.processWithParent(block, parent)
}
func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs state.Logs, err error) {
func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs state.Logs, receipts types.Receipts, err error) {
// Create a new state based on the parent's root (e.g., create copy)
state := state.New(parent.Root(), sm.db)
header := block.Header()
@ -192,10 +192,10 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs st
// There can be at most two uncles
if len(uncles) > 2 {
return nil, ValidationError("Block can only contain maximum 2 uncles (contained %v)", len(uncles))
return nil, nil, ValidationError("Block can only contain maximum 2 uncles (contained %v)", len(uncles))
}
receipts, err := sm.TransitionState(state, parent, block, false)
receipts, err = sm.TransitionState(state, parent, block, false)
if err != nil {
return
}
@ -248,15 +248,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs st
// Sync the current block's state to the database
state.Sync()
// This puts transactions in a extra db for rpc
for i, tx := range block.Transactions() {
putTx(sm.extraDb, tx, block, uint64(i))
}
// store the receipts
putReceipts(sm.extraDb, block.Hash(), receipts)
return state.Logs(), nil
return state.Logs(), receipts, nil
}
var (
@ -411,43 +403,3 @@ func getBlockReceipts(db common.Database, bhash common.Hash) (receipts types.Rec
}
return
}
func putTx(db common.Database, tx *types.Transaction, block *types.Block, i uint64) {
rlpEnc, err := rlp.EncodeToBytes(tx)
if err != nil {
glog.V(logger.Debug).Infoln("Failed encoding tx", err)
return
}
db.Put(tx.Hash().Bytes(), rlpEnc)
var txExtra struct {
BlockHash common.Hash
BlockIndex uint64
Index uint64
}
txExtra.BlockHash = block.Hash()
txExtra.BlockIndex = block.NumberU64()
txExtra.Index = i
rlpMeta, err := rlp.EncodeToBytes(txExtra)
if err != nil {
glog.V(logger.Debug).Infoln("Failed encoding tx meta data", err)
return
}
db.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta)
}
func putReceipts(db common.Database, hash common.Hash, receipts types.Receipts) error {
storageReceipts := make([]*types.ReceiptForStorage, len(receipts))
for i, receipt := range receipts {
storageReceipts[i] = (*types.ReceiptForStorage)(receipt)
}
bytes, err := rlp.EncodeToBytes(storageReceipts)
if err != nil {
return err
}
db.Put(append(receiptsPre, hash[:]...), bytes)
return nil
}

4
core/block_processor_test.go
View File

@ -18,7 +18,7 @@ func proc() (*BlockProcessor, *ChainManager) {
var mux event.TypeMux
genesis := GenesisBlock(0, db)
chainMan, err := NewChainManager(genesis, db, db, thePow(), &mux)
chainMan, err := NewChainManager(genesis, db, db, db, thePow(), &mux)
if err != nil {
fmt.Println(err)
}
@ -64,7 +64,7 @@ func TestPutReceipt(t *testing.T) {
Index: 0,
}})
putReceipts(db, hash, types.Receipts{receipt})
PutReceipts(db, hash, types.Receipts{receipt})
receipts, err := getBlockReceipts(db, hash)
if err != nil {
t.Error("got err:", err)

2
core/chain_makers.go
View File

@ -167,7 +167,7 @@ func makeHeader(parent *types.Block, state *state.StateDB) *types.Header {
// InsertChain on the result of makeChain.
func newCanonical(n int, db common.Database) (*BlockProcessor, error) {
evmux := &event.TypeMux{}
chainman, _ := NewChainManager(GenesisBlock(0, db), db, db, FakePow{}, evmux)
chainman, _ := NewChainManager(GenesisBlock(0, db), db, db, db, FakePow{}, evmux)
bman := NewBlockProcessor(db, db, FakePow{}, chainman, evmux)
bman.bc.SetProcessor(bman)
parent := bman.bc.CurrentBlock()

2
core/chain_makers_test.go
View File

@ -58,7 +58,7 @@ func ExampleGenerateChain() {
// Import the chain. This runs all block validation rules.
evmux := &event.TypeMux{}
chainman, _ := NewChainManager(genesis, db, db, FakePow{}, evmux)
chainman, _ := NewChainManager(genesis, db, db, db, FakePow{}, evmux)
chainman.SetProcessor(NewBlockProcessor(db, db, FakePow{}, chainman, evmux))
if i, err := chainman.InsertChain(chain); err != nil {
fmt.Printf("insert error (block %d): %v\n", i, err)

33
core/chain_manager.go
View File

@ -42,6 +42,7 @@ type ChainManager struct {
//eth EthManager
blockDb common.Database
stateDb common.Database
extraDb common.Database
processor types.BlockProcessor
eventMux *event.TypeMux
genesisBlock *types.Block
@ -70,11 +71,12 @@ type ChainManager struct {
pow pow.PoW
}
func NewChainManager(genesis *types.Block, blockDb, stateDb common.Database, pow pow.PoW, mux *event.TypeMux) (*ChainManager, error) {
func NewChainManager(genesis *types.Block, blockDb, stateDb, extraDb common.Database, pow pow.PoW, mux *event.TypeMux) (*ChainManager, error) {
cache, _ := lru.New(blockCacheLimit)
bc := &ChainManager{
blockDb: blockDb,
stateDb: stateDb,
extraDb: extraDb,
genesisBlock: GenesisBlock(42, stateDb),
eventMux: mux,
quit: make(chan struct{}),
@ -477,10 +479,10 @@ func (self *ChainManager) procFutureBlocks() {
type writeStatus byte
const (
nonStatTy writeStatus = iota
canonStatTy
splitStatTy
sideStatTy
NonStatTy writeStatus = iota
CanonStatTy
SplitStatTy
SideStatTy
)
// WriteBlock writes the block to the chain (or pending queue)
@ -497,10 +499,10 @@ func (self *ChainManager) WriteBlock(block *types.Block, queued bool) (status wr
// during split we merge two different chains and create the new canonical chain
err := self.merge(cblock, block)
if err != nil {
return nonStatTy, err
return NonStatTy, err
}
status = splitStatTy
status = SplitStatTy
}
self.mu.Lock()
@ -511,9 +513,9 @@ func (self *ChainManager) WriteBlock(block *types.Block, queued bool) (status wr
self.setTransState(state.New(block.Root(), self.stateDb))
self.txState.SetState(state.New(block.Root(), self.stateDb))
status = canonStatTy
status = CanonStatTy
} else {
status = sideStatTy
status = SideStatTy
}
self.write(block)
@ -581,7 +583,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) (int, error) {
// Call in to the block processor and check for errors. It's likely that if one block fails
// all others will fail too (unless a known block is returned).
logs, err := self.processor.Process(block)
logs, receipts, err := self.processor.Process(block)
if err != nil {
if IsKnownBlockErr(err) {
stats.ignored++
@ -620,19 +622,24 @@ func (self *ChainManager) InsertChain(chain types.Blocks) (int, error) {
return i, err
}
switch status {
case canonStatTy:
case CanonStatTy:
if glog.V(logger.Debug) {
glog.Infof("[%v] inserted block #%d (%d TXs %d UNCs) (%x...). Took %v\n", time.Now().UnixNano(), block.Number(), len(block.Transactions()), len(block.Uncles()), block.Hash().Bytes()[0:4], time.Since(bstart))
}
queue[i] = ChainEvent{block, block.Hash(), logs}
queueEvent.canonicalCount++
case sideStatTy:
// This puts transactions in a extra db for rpc
PutTransactions(self.extraDb, block, block.Transactions())
// store the receipts
PutReceipts(self.extraDb, block.Hash(), receipts)
case SideStatTy:
if glog.V(logger.Detail) {
glog.Infof("inserted forked block #%d (TD=%v) (%d TXs %d UNCs) (%x...). Took %v\n", block.Number(), block.Difficulty(), len(block.Transactions()), len(block.Uncles()), block.Hash().Bytes()[0:4], time.Since(bstart))
}
queue[i] = ChainSideEvent{block, logs}
queueEvent.sideCount++
case splitStatTy:
case SplitStatTy:
queue[i] = ChainSplitEvent{block, logs}
queueEvent.splitCount++
}

12
core/chain_manager_test.go
View File

@ -33,7 +33,7 @@ func thePow() pow.PoW {
func theChainManager(db common.Database, t *testing.T) *ChainManager {
var eventMux event.TypeMux
genesis := GenesisBlock(0, db)
chainMan, err := NewChainManager(genesis, db, db, thePow(), &eventMux)
chainMan, err := NewChainManager(genesis, db, db, db, thePow(), &eventMux)
if err != nil {
t.Error("failed creating chainmanager:", err)
t.FailNow()
@ -96,7 +96,7 @@ func printChain(bc *ChainManager) {
func testChain(chainB types.Blocks, bman *BlockProcessor) (*big.Int, error) {
td := new(big.Int)
for _, block := range chainB {
_, err := bman.bc.processor.Process(block)
_, _, err := bman.bc.processor.Process(block)
if err != nil {
if IsKnownBlockErr(err) {
continue
@ -367,7 +367,7 @@ func TestGetBlocksFromHash(t *testing.T) {
type bproc struct{}
func (bproc) Process(*types.Block) (state.Logs, error) { return nil, nil }
func (bproc) Process(*types.Block) (state.Logs, types.Receipts, error) { return nil, nil, nil }
func makeChainWithDiff(genesis *types.Block, d []int, seed byte) []*types.Block {
var chain []*types.Block
@ -390,7 +390,7 @@ func makeChainWithDiff(genesis *types.Block, d []int, seed byte) []*types.Block
func chm(genesis *types.Block, db common.Database) *ChainManager {
var eventMux event.TypeMux
bc := &ChainManager{blockDb: db, stateDb: db, genesisBlock: genesis, eventMux: &eventMux, pow: FakePow{}}
bc := &ChainManager{extraDb: db, blockDb: db, stateDb: db, genesisBlock: genesis, eventMux: &eventMux, pow: FakePow{}}
bc.cache, _ = lru.New(100)
bc.futureBlocks, _ = lru.New(100)
bc.processor = bproc{}
@ -479,12 +479,12 @@ func TestGenesisMismatch(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
var mux event.TypeMux
genesis := GenesisBlock(0, db)
_, err := NewChainManager(genesis, db, db, thePow(), &mux)
_, err := NewChainManager(genesis, db, db, db, thePow(), &mux)
if err != nil {
t.Error(err)
}
genesis = GenesisBlock(1, db)
_, err = NewChainManager(genesis, db, db, thePow(), &mux)
_, err = NewChainManager(genesis, db, db, db, thePow(), &mux)
if err == nil {
t.Error("expected genesis mismatch error")
}

1
core/manager.go
View File

@ -14,5 +14,6 @@ type Backend interface {
TxPool() *TxPool
BlockDb() common.Database
StateDb() common.Database
ExtraDb() common.Database
EventMux() *event.TypeMux
}

51
core/transaction_util.go Normal file
View File

@ -0,0 +1,51 @@
package core
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rlp"
)
func PutTransactions(db common.Database, block *types.Block, txs types.Transactions) {
for i, tx := range block.Transactions() {
rlpEnc, err := rlp.EncodeToBytes(tx)
if err != nil {
glog.V(logger.Debug).Infoln("Failed encoding tx", err)
return
}
db.Put(tx.Hash().Bytes(), rlpEnc)
var txExtra struct {
BlockHash common.Hash
BlockIndex uint64
Index uint64
}
txExtra.BlockHash = block.Hash()
txExtra.BlockIndex = block.NumberU64()
txExtra.Index = uint64(i)
rlpMeta, err := rlp.EncodeToBytes(txExtra)
if err != nil {
glog.V(logger.Debug).Infoln("Failed encoding tx meta data", err)
return
}
db.Put(append(tx.Hash().Bytes(), 0x0001), rlpMeta)
}
}
func PutReceipts(db common.Database, hash common.Hash, receipts types.Receipts) error {
storageReceipts := make([]*types.ReceiptForStorage, len(receipts))
for i, receipt := range receipts {
storageReceipts[i] = (*types.ReceiptForStorage)(receipt)
}
bytes, err := rlp.EncodeToBytes(storageReceipts)
if err != nil {
return err
}
db.Put(append(receiptsPre, hash[:]...), bytes)
return nil
}

2
core/types/common.go
View File

@ -10,7 +10,7 @@ import (
)
type BlockProcessor interface {
Process(*Block) (state.Logs, error)
Process(*Block) (state.Logs, Receipts, error)
}
const bloomLength = 256

2
eth/backend.go
View File

@ -339,7 +339,7 @@ func New(config *Config) (*Ethereum, error) {
eth.pow = ethash.New()
genesis := core.GenesisBlock(uint64(config.GenesisNonce), stateDb)
eth.chainManager, err = core.NewChainManager(genesis, blockDb, stateDb, eth.pow, eth.EventMux())
eth.chainManager, err = core.NewChainManager(genesis, blockDb, stateDb, extraDb, eth.pow, eth.EventMux())
if err != nil {
return nil, err
}

2
eth/protocol_test.go
View File

@ -165,7 +165,7 @@ func newProtocolManagerForTesting(txAdded chan<- []*types.Transaction) *Protocol
var (
em = new(event.TypeMux)
db, _ = ethdb.NewMemDatabase()
chain, _ = core.NewChainManager(core.GenesisBlock(0, db), db, db, core.FakePow{}, em)
chain, _ = core.NewChainManager(core.GenesisBlock(0, db), db, db, db, core.FakePow{}, em)
txpool = &fakeTxPool{added: txAdded}
pm = NewProtocolManager(0, em, txpool, core.FakePow{}, chain)
)

35
miner/worker.go
View File

@ -79,9 +79,10 @@ type worker struct {
quit chan struct{}
pow pow.PoW
eth core.Backend
chain *core.ChainManager
proc *core.BlockProcessor
eth core.Backend
chain *core.ChainManager
proc *core.BlockProcessor
extraDb common.Database
coinbase common.Address
gasPrice *big.Int
@ -105,6 +106,7 @@ func newWorker(coinbase common.Address, eth core.Backend) *worker {
worker := &worker{
eth: eth,
mux: eth.EventMux(),
extraDb: eth.ExtraDb(),
recv: make(chan *types.Block),
gasPrice: new(big.Int),
chain: eth.ChainManager(),
@ -233,11 +235,28 @@ func (self *worker) wait() {
continue
}
_, err := self.chain.WriteBlock(block, false)
parent := self.chain.GetBlock(block.ParentHash())
if parent == nil {
glog.V(logger.Error).Infoln("Invalid block found during mining")
continue
}
if err := core.ValidateHeader(self.eth.BlockProcessor().Pow, block.Header(), parent, true); err != nil {
glog.V(logger.Error).Infoln("Invalid header on mined block:", err)
continue
}
stat, err := self.chain.WriteBlock(block, false)
if err != nil {
glog.V(logger.Error).Infoln("error writing block to chain", err)
continue
}
// check if canon block and write transactions
if stat == core.CanonStatTy {
// This puts transactions in a extra db for rpc
core.PutTransactions(self.extraDb, block, block.Transactions())
// store the receipts
core.PutReceipts(self.extraDb, block.Hash(), self.current.receipts)
}
// check staleness and display confirmation
var stale, confirm string
@ -252,7 +271,13 @@ func (self *worker) wait() {
glog.V(logger.Info).Infof("🔨 Mined %sblock (#%v / %x). %s", stale, block.Number(), block.Hash().Bytes()[:4], confirm)
// broadcast before waiting for validation
go self.mux.Post(core.NewMinedBlockEvent{block})
go func(block *types.Block, logs state.Logs) {
self.mux.Post(core.NewMinedBlockEvent{block})
self.mux.Post(core.ChainEvent{block, block.Hash(), logs})
if stat == core.CanonStatTy {
self.mux.Post(core.ChainHeadEvent{block})
}
}(block, self.current.state.Logs())
self.commitNewWork()
}

1
xeth/xeth.go
View File

@ -980,6 +980,7 @@ func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceS
} else {
glog.V(logger.Info).Infof("Tx(%x) to: %x\n", tx.Hash(), tx.To())
}
return tx.Hash().Hex(), nil
}