From e3253b5d5e65bfb6944ddaabd3c79400fbe06ef8 Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 22 May 2015 22:44:51 +0200 Subject: [PATCH] core: fixed an issue with storing receipts --- cmd/mist/assets/examples/coin.html | 2 +- core/block_processor.go | 73 ++++++++++++++++++++---------- core/block_processor_test.go | 32 +++++++++++++ core/state/log.go | 21 ++++++--- core/types/receipt.go | 29 ++++++++++++ 5 files changed, 124 insertions(+), 33 deletions(-) diff --git a/cmd/mist/assets/examples/coin.html b/cmd/mist/assets/examples/coin.html index e6baf4579..4fe8e7fa2 100644 --- a/cmd/mist/assets/examples/coin.html +++ b/cmd/mist/assets/examples/coin.html @@ -102,7 +102,7 @@ window.filter = filter; var amount = parseInt( value.value ); console.log("transact: ", to.value, " => ", amount) - contract.sendTransaction({from: eth.accounts[0]}).send( to.value, amount ); + contract.send.sendTransaction(to.value, amount ,{from: eth.accounts[0]}); to.value = ""; value.value = ""; diff --git a/core/block_processor.go b/core/block_processor.go index 6cd1c8aa3..ca205ee86 100644 --- a/core/block_processor.go +++ b/core/block_processor.go @@ -40,11 +40,6 @@ type BlockProcessor struct { txpool *TxPool - // The last attempted block is mainly used for debugging purposes - // This does not have to be a valid block and will be set during - // 'Process' & canonical validation. - lastAttemptedBlock *types.Block - events event.Subscription eventMux *event.TypeMux @@ -188,8 +183,6 @@ func (sm *BlockProcessor) Process(block *types.Block) (logs state.Logs, err erro } func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs state.Logs, err error) { - sm.lastAttemptedBlock = block - // Create a new state based on the parent's root (e.g., create copy) state := state.New(parent.Root(), sm.db) @@ -255,6 +248,12 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs st return } + // store the receipts + err = putReceipts(sm.extraDb, block.Hash(), receipts) + if err != nil { + return nil, err + } + // Calculate the td for this block //td = CalculateTD(block, parent) // Sync the current block's state to the database @@ -268,23 +267,9 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs st putTx(sm.extraDb, tx, block, uint64(i)) } - receiptsRlp := block.Receipts().RlpEncode() - sm.extraDb.Put(append(receiptsPre, block.Hash().Bytes()...), receiptsRlp) - return state.Logs(), nil } -func (self *BlockProcessor) GetBlockReceipts(bhash common.Hash) (receipts types.Receipts, err error) { - var rdata []byte - rdata, err = self.extraDb.Get(append(receiptsPre, bhash[:]...)) - - if err == nil { - err = rlp.DecodeBytes(rdata, &receipts) - } - return - -} - // See YP section 4.3.4. "Block Header Validity" // Validates a block. Returns an error if the block is invalid. func (sm *BlockProcessor) ValidateHeader(block, parent *types.Header, checkPow bool) error { @@ -391,13 +376,25 @@ func (sm *BlockProcessor) VerifyUncles(statedb *state.StateDB, block, parent *ty return nil } +// GetBlockReceipts returns the receipts beloniging to the block hash +func (sm *BlockProcessor) GetBlockReceipts(bhash common.Hash) (receipts types.Receipts, err error) { + return getBlockReceipts(sm.extraDb, bhash) +} + +// GetLogs returns the logs of the given block. This method is using a two step approach +// where it tries to get it from the (updated) method which gets them from the receipts or +// the depricated way by re-processing the block. func (sm *BlockProcessor) GetLogs(block *types.Block) (logs state.Logs, err error) { - if !sm.bc.HasBlock(block.Header().ParentHash) { - return nil, ParentError(block.Header().ParentHash) + receipts, err := sm.GetBlockReceipts(block.Hash()) + if err == nil && len(receipts) > 0 { + // coalesce logs + for _, receipt := range receipts { + logs = append(logs, receipt.Logs()...) + } + return } - sm.lastAttemptedBlock = block - + // TODO: remove backward compatibility var ( parent = sm.bc.GetBlock(block.Header().ParentHash) state = state.New(parent.Root(), sm.db) @@ -408,6 +405,16 @@ func (sm *BlockProcessor) GetLogs(block *types.Block) (logs state.Logs, err erro return state.Logs(), nil } +func getBlockReceipts(db common.Database, bhash common.Hash) (receipts types.Receipts, err error) { + var rdata []byte + rdata, err = db.Get(append(receiptsPre, bhash[:]...)) + + if err == nil { + err = rlp.DecodeBytes(rdata, &receipts) + } + return +} + func putTx(db common.Database, tx *types.Transaction, block *types.Block, i uint64) { rlpEnc, err := rlp.EncodeToBytes(tx) if err != nil { @@ -431,3 +438,19 @@ func putTx(db common.Database, tx *types.Transaction, block *types.Block, i uint } 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 +} diff --git a/core/block_processor_test.go b/core/block_processor_test.go index e0aa5fb4c..72b173a71 100644 --- a/core/block_processor_test.go +++ b/core/block_processor_test.go @@ -5,6 +5,8 @@ import ( "testing" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/state" + "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/pow/ezp" @@ -35,3 +37,33 @@ func TestNumber(t *testing.T) { t.Errorf("didn't expect block number error") } } + +func TestPutReceipt(t *testing.T) { + db, _ := ethdb.NewMemDatabase() + + var addr common.Address + addr[0] = 1 + var hash common.Hash + hash[0] = 2 + + receipt := new(types.Receipt) + receipt.SetLogs(state.Logs{&state.Log{ + Address: addr, + Topics: []common.Hash{hash}, + Data: []byte("hi"), + Number: 42, + TxHash: hash, + TxIndex: 0, + BlockHash: hash, + Index: 0, + }}) + + putReceipts(db, hash, types.Receipts{receipt}) + receipts, err := getBlockReceipts(db, hash) + if err != nil { + t.Error("got err:", err) + } + if len(receipts) != 1 { + t.Error("expected to get 1 receipt, got", len(receipts)) + } +} diff --git a/core/state/log.go b/core/state/log.go index a7aa784e2..882977061 100644 --- a/core/state/log.go +++ b/core/state/log.go @@ -29,15 +29,22 @@ func (self *Log) EncodeRLP(w io.Writer) error { } func (self *Log) String() string { - return fmt.Sprintf(`log: %x %x %x`, self.Address, self.Topics, self.Data) + return fmt.Sprintf(`log: %x %x %x %x %d %x %d`, self.Address, self.Topics, self.Data, self.TxHash, self.TxIndex, self.BlockHash, self.Index) } type Logs []*Log -func (self Logs) String() (ret string) { - for _, log := range self { - ret += fmt.Sprintf("%v", log) - } - - return "[" + ret + "]" +type LogForStorage Log + +func (self *LogForStorage) EncodeRLP(w io.Writer) error { + return rlp.Encode(w, []interface{}{ + self.Address, + self.Topics, + self.Data, + self.Number, + self.TxHash, + self.TxIndex, + self.BlockHash, + self.Index, + }) } diff --git a/core/types/receipt.go b/core/types/receipt.go index 414e4d364..6b4024ada 100644 --- a/core/types/receipt.go +++ b/core/types/receipt.go @@ -26,10 +26,39 @@ func (self *Receipt) SetLogs(logs state.Logs) { self.logs = logs } +func (self *Receipt) Logs() state.Logs { + return self.logs +} + func (self *Receipt) EncodeRLP(w io.Writer) error { return rlp.Encode(w, []interface{}{self.PostState, self.CumulativeGasUsed, self.Bloom, self.logs}) } +func (self *Receipt) DecodeRLP(s *rlp.Stream) error { + var r struct { + PostState []byte + CumulativeGasUsed *big.Int + Bloom Bloom + Logs state.Logs + } + if err := s.Decode(&r); err != nil { + return err + } + self.PostState, self.CumulativeGasUsed, self.Bloom, self.logs = r.PostState, r.CumulativeGasUsed, r.Bloom, r.Logs + + return nil +} + +type ReceiptForStorage Receipt + +func (self *ReceiptForStorage) EncodeRLP(w io.Writer) error { + storageLogs := make([]*state.LogForStorage, len(self.logs)) + for i, log := range self.logs { + storageLogs[i] = (*state.LogForStorage)(log) + } + return rlp.Encode(w, []interface{}{self.PostState, self.CumulativeGasUsed, self.Bloom, storageLogs}) +} + func (self *Receipt) RlpEncode() []byte { bytes, err := rlp.EncodeToBytes(self) if err != nil {