diff options
Diffstat (limited to 'core')
-rw-r--r-- | core/bench_test.go | 5 | ||||
-rw-r--r-- | core/block_validator_test.go | 3 | ||||
-rw-r--r-- | core/blockchain.go | 10 | ||||
-rw-r--r-- | core/blockchain_test.go | 26 | ||||
-rw-r--r-- | core/chain_makers.go | 2 | ||||
-rw-r--r-- | core/chain_makers_test.go | 3 | ||||
-rw-r--r-- | core/dao_test.go | 13 | ||||
-rw-r--r-- | core/database_util.go | 45 | ||||
-rw-r--r-- | core/state/journal.go | 7 | ||||
-rw-r--r-- | core/state/statedb.go | 26 | ||||
-rw-r--r-- | core/state_processor.go | 2 | ||||
-rw-r--r-- | core/vm/instructions.go | 7 | ||||
-rw-r--r-- | core/vm/interface.go | 1 | ||||
-rw-r--r-- | core/vm/noop.go | 1 | ||||
-rw-r--r-- | core/vm/vm.go | 2 |
15 files changed, 118 insertions, 35 deletions
diff --git a/core/bench_test.go b/core/bench_test.go index 5785748a1..353d217fd 100644 --- a/core/bench_test.go +++ b/core/bench_test.go @@ -25,6 +25,7 @@ import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/core/vm" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" @@ -168,7 +169,7 @@ 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, _ := NewBlockChain(db, ¶ms.ChainConfig{HomesteadBlock: new(big.Int)}, FakePow{}, evmux) + chainman, _ := NewBlockChain(db, ¶ms.ChainConfig{HomesteadBlock: new(big.Int)}, FakePow{}, evmux, vm.Config{}) defer chainman.Stop() b.ReportAllocs() b.ResetTimer() @@ -278,7 +279,7 @@ func benchReadChain(b *testing.B, full bool, count uint64) { if err != nil { b.Fatalf("error opening database at %v: %v", dir, err) } - chain, err := NewBlockChain(db, testChainConfig(), FakePow{}, new(event.TypeMux)) + chain, err := NewBlockChain(db, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{}) if err != nil { b.Fatalf("error creating chain: %v", err) } diff --git a/core/block_validator_test.go b/core/block_validator_test.go index 413c3cc8e..01931efd2 100644 --- a/core/block_validator_test.go +++ b/core/block_validator_test.go @@ -24,6 +24,7 @@ import ( "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/core/vm" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/params" @@ -39,7 +40,7 @@ func proc() (Validator, *BlockChain) { var mux event.TypeMux WriteTestNetGenesisBlock(db) - blockchain, err := NewBlockChain(db, testChainConfig(), thePow(), &mux) + blockchain, err := NewBlockChain(db, testChainConfig(), thePow(), &mux, vm.Config{}) if err != nil { fmt.Println(err) } diff --git a/core/blockchain.go b/core/blockchain.go index 6462c17fa..2e522d97c 100644 --- a/core/blockchain.go +++ b/core/blockchain.go @@ -107,12 +107,13 @@ type BlockChain struct { pow pow.PoW processor Processor // block processor interface validator Validator // block and state validator interface + vmConfig vm.Config } // NewBlockChain returns a fully initialised block chain using information // available in the database. It initialiser the default Ethereum Validator and // Processor. -func NewBlockChain(chainDb ethdb.Database, config *params.ChainConfig, pow pow.PoW, mux *event.TypeMux) (*BlockChain, error) { +func NewBlockChain(chainDb ethdb.Database, config *params.ChainConfig, pow pow.PoW, mux *event.TypeMux, vmConfig vm.Config) (*BlockChain, error) { bodyCache, _ := lru.New(bodyCacheLimit) bodyRLPCache, _ := lru.New(bodyCacheLimit) blockCache, _ := lru.New(blockCacheLimit) @@ -128,6 +129,7 @@ func NewBlockChain(chainDb ethdb.Database, config *params.ChainConfig, pow pow.P blockCache: blockCache, futureBlocks: futureBlocks, pow: pow, + vmConfig: vmConfig, } bc.SetValidator(NewBlockValidator(config, bc, pow)) bc.SetProcessor(NewStateProcessor(config, bc)) @@ -954,7 +956,7 @@ func (self *BlockChain) InsertChain(chain types.Blocks) (int, error) { return i, err } // Process block using the parent state as reference point. - receipts, logs, usedGas, err := self.processor.Process(block, self.stateCache, vm.Config{}) + receipts, logs, usedGas, err := self.processor.Process(block, self.stateCache, self.vmConfig) if err != nil { self.reportBlock(block, receipts, err) return i, err @@ -1004,6 +1006,10 @@ func (self *BlockChain) InsertChain(chain types.Blocks) (int, error) { if err := WriteMipmapBloom(self.chainDb, block.NumberU64(), receipts); err != nil { return i, err } + // Write hash preimages + if err := WritePreimages(self.chainDb, block.NumberU64(), self.stateCache.Preimages()); err != nil { + return i, err + } case SideStatTy: if glog.V(logger.Detail) { glog.Infof("inserted forked block #%d [%x…] (TD=%v) in %9v: %3d txs %d uncles.", block.Number(), block.Hash().Bytes()[0:4], block.Difficulty(), common.PrettyDuration(time.Since(bstart)), len(block.Transactions()), len(block.Uncles())) diff --git a/core/blockchain_test.go b/core/blockchain_test.go index a5a83ba60..8f1383acd 100644 --- a/core/blockchain_test.go +++ b/core/blockchain_test.go @@ -53,7 +53,7 @@ func thePow() pow.PoW { func theBlockChain(db ethdb.Database, t *testing.T) *BlockChain { var eventMux event.TypeMux WriteTestNetGenesisBlock(db) - blockchain, err := NewBlockChain(db, testChainConfig(), thePow(), &eventMux) + blockchain, err := NewBlockChain(db, testChainConfig(), thePow(), &eventMux, vm.Config{}) if err != nil { t.Error("failed creating blockchain:", err) t.FailNow() @@ -614,7 +614,7 @@ func testReorgBadHashes(t *testing.T, full bool) { defer func() { delete(BadHashes, headers[3].Hash()) }() } // Create a new chain manager and check it rolled back the state - ncm, err := NewBlockChain(db, testChainConfig(), FakePow{}, new(event.TypeMux)) + ncm, err := NewBlockChain(db, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{}) if err != nil { t.Fatalf("failed to create new chain manager: %v", err) } @@ -735,7 +735,7 @@ func TestFastVsFullChains(t *testing.T) { archiveDb, _ := ethdb.NewMemDatabase() WriteGenesisBlockForTesting(archiveDb, GenesisAccount{address, funds}) - archive, _ := NewBlockChain(archiveDb, testChainConfig(), FakePow{}, new(event.TypeMux)) + archive, _ := NewBlockChain(archiveDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{}) if n, err := archive.InsertChain(blocks); err != nil { t.Fatalf("failed to process block %d: %v", n, err) @@ -743,7 +743,7 @@ func TestFastVsFullChains(t *testing.T) { // Fast import the chain as a non-archive node to test fastDb, _ := ethdb.NewMemDatabase() WriteGenesisBlockForTesting(fastDb, GenesisAccount{address, funds}) - fast, _ := NewBlockChain(fastDb, testChainConfig(), FakePow{}, new(event.TypeMux)) + fast, _ := NewBlockChain(fastDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{}) headers := make([]*types.Header, len(blocks)) for i, block := range blocks { @@ -819,7 +819,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) { archiveDb, _ := ethdb.NewMemDatabase() WriteGenesisBlockForTesting(archiveDb, GenesisAccount{address, funds}) - archive, _ := NewBlockChain(archiveDb, testChainConfig(), FakePow{}, new(event.TypeMux)) + archive, _ := NewBlockChain(archiveDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{}) if n, err := archive.InsertChain(blocks); err != nil { t.Fatalf("failed to process block %d: %v", n, err) @@ -831,7 +831,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) { // Import the chain as a non-archive node and ensure all pointers are updated fastDb, _ := ethdb.NewMemDatabase() WriteGenesisBlockForTesting(fastDb, GenesisAccount{address, funds}) - fast, _ := NewBlockChain(fastDb, testChainConfig(), FakePow{}, new(event.TypeMux)) + fast, _ := NewBlockChain(fastDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{}) headers := make([]*types.Header, len(blocks)) for i, block := range blocks { @@ -850,7 +850,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) { // Import the chain as a light node and ensure all pointers are updated lightDb, _ := ethdb.NewMemDatabase() WriteGenesisBlockForTesting(lightDb, GenesisAccount{address, funds}) - light, _ := NewBlockChain(lightDb, testChainConfig(), FakePow{}, new(event.TypeMux)) + light, _ := NewBlockChain(lightDb, testChainConfig(), FakePow{}, new(event.TypeMux), vm.Config{}) if n, err := light.InsertHeaderChain(headers, 1); err != nil { t.Fatalf("failed to insert header %d: %v", n, err) @@ -916,7 +916,7 @@ func TestChainTxReorgs(t *testing.T) { }) // Import the chain. This runs all block validation rules. evmux := &event.TypeMux{} - blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux) + blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux, vm.Config{}) if i, err := blockchain.InsertChain(chain); err != nil { t.Fatalf("failed to insert original chain[%d]: %v", i, err) } @@ -990,7 +990,7 @@ func TestLogReorgs(t *testing.T) { ) evmux := &event.TypeMux{} - blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux) + blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux, vm.Config{}) subs := evmux.Subscribe(RemovedLogsEvent{}) chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 2, func(i int, gen *BlockGen) { @@ -1027,7 +1027,7 @@ func TestReorgSideEvent(t *testing.T) { ) evmux := &event.TypeMux{} - blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux) + blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux, vm.Config{}) chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 3, func(i int, gen *BlockGen) {}) if _, err := blockchain.InsertChain(chain); err != nil { @@ -1103,7 +1103,7 @@ func TestCanonicalBlockRetrieval(t *testing.T) { ) evmux := &event.TypeMux{} - blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux) + blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux, vm.Config{}) chain, _ := GenerateChain(params.TestChainConfig, genesis, db, 10, func(i int, gen *BlockGen) {}) @@ -1146,7 +1146,7 @@ func TestEIP155Transition(t *testing.T) { mux event.TypeMux ) - blockchain, _ := NewBlockChain(db, config, FakePow{}, &mux) + blockchain, _ := NewBlockChain(db, config, FakePow{}, &mux, vm.Config{}) blocks, _ := GenerateChain(config, genesis, db, 4, func(i int, block *BlockGen) { var ( tx *types.Transaction @@ -1250,7 +1250,7 @@ func TestEIP161AccountRemoval(t *testing.T) { } mux event.TypeMux - blockchain, _ = NewBlockChain(db, config, FakePow{}, &mux) + blockchain, _ = NewBlockChain(db, config, FakePow{}, &mux, vm.Config{}) ) blocks, _ := GenerateChain(config, genesis, db, 3, func(i int, block *BlockGen) { var ( diff --git a/core/chain_makers.go b/core/chain_makers.go index 4a838a5aa..8b3b015a8 100644 --- a/core/chain_makers.go +++ b/core/chain_makers.go @@ -256,7 +256,7 @@ func newCanonical(n int, full bool) (ethdb.Database, *BlockChain, error) { // Initialize a fresh chain with only a genesis block genesis, _ := WriteTestNetGenesisBlock(db) - blockchain, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, evmux) + blockchain, _ := NewBlockChain(db, MakeChainConfig(), FakePow{}, evmux, vm.Config{}) // Create and inject the requested chain if n == 0 { return db, blockchain, nil diff --git a/core/chain_makers_test.go b/core/chain_makers_test.go index 942f4ace2..2796817c0 100644 --- a/core/chain_makers_test.go +++ b/core/chain_makers_test.go @@ -21,6 +21,7 @@ import ( "math/big" "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/core/vm" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" @@ -81,7 +82,7 @@ func ExampleGenerateChain() { // Import the chain. This runs all block validation rules. evmux := &event.TypeMux{} - blockchain, _ := NewBlockChain(db, chainConfig, FakePow{}, evmux) + blockchain, _ := NewBlockChain(db, chainConfig, FakePow{}, evmux, vm.Config{}) if i, err := blockchain.InsertChain(chain); err != nil { fmt.Printf("insert error (block %d): %v\n", chain[i].NumberU64(), err) return diff --git a/core/dao_test.go b/core/dao_test.go index f461131f4..b8b4c71cf 100644 --- a/core/dao_test.go +++ b/core/dao_test.go @@ -20,6 +20,7 @@ import ( "math/big" "testing" + "github.com/ethereum/go-ethereum/core/vm" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" "github.com/ethereum/go-ethereum/params" @@ -39,12 +40,12 @@ func TestDAOForkRangeExtradata(t *testing.T) { proDb, _ := ethdb.NewMemDatabase() WriteGenesisBlockForTesting(proDb) proConf := ¶ms.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: true} - proBc, _ := NewBlockChain(proDb, proConf, new(FakePow), new(event.TypeMux)) + proBc, _ := NewBlockChain(proDb, proConf, new(FakePow), new(event.TypeMux), vm.Config{}) conDb, _ := ethdb.NewMemDatabase() WriteGenesisBlockForTesting(conDb) conConf := ¶ms.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: false} - conBc, _ := NewBlockChain(conDb, conConf, new(FakePow), new(event.TypeMux)) + conBc, _ := NewBlockChain(conDb, conConf, new(FakePow), new(event.TypeMux), vm.Config{}) if _, err := proBc.InsertChain(prefix); err != nil { t.Fatalf("pro-fork: failed to import chain prefix: %v", err) @@ -57,7 +58,7 @@ func TestDAOForkRangeExtradata(t *testing.T) { // Create a pro-fork block, and try to feed into the no-fork chain db, _ = ethdb.NewMemDatabase() WriteGenesisBlockForTesting(db) - bc, _ := NewBlockChain(db, conConf, new(FakePow), new(event.TypeMux)) + bc, _ := NewBlockChain(db, conConf, new(FakePow), new(event.TypeMux), vm.Config{}) blocks := conBc.GetBlocksFromHash(conBc.CurrentBlock().Hash(), int(conBc.CurrentBlock().NumberU64()+1)) for j := 0; j < len(blocks)/2; j++ { @@ -78,7 +79,7 @@ func TestDAOForkRangeExtradata(t *testing.T) { // Create a no-fork block, and try to feed into the pro-fork chain db, _ = ethdb.NewMemDatabase() WriteGenesisBlockForTesting(db) - bc, _ = NewBlockChain(db, proConf, new(FakePow), new(event.TypeMux)) + bc, _ = NewBlockChain(db, proConf, new(FakePow), new(event.TypeMux), vm.Config{}) blocks = proBc.GetBlocksFromHash(proBc.CurrentBlock().Hash(), int(proBc.CurrentBlock().NumberU64()+1)) for j := 0; j < len(blocks)/2; j++ { @@ -100,7 +101,7 @@ func TestDAOForkRangeExtradata(t *testing.T) { // Verify that contra-forkers accept pro-fork extra-datas after forking finishes db, _ = ethdb.NewMemDatabase() WriteGenesisBlockForTesting(db) - bc, _ := NewBlockChain(db, conConf, new(FakePow), new(event.TypeMux)) + bc, _ := NewBlockChain(db, conConf, new(FakePow), new(event.TypeMux), vm.Config{}) blocks := conBc.GetBlocksFromHash(conBc.CurrentBlock().Hash(), int(conBc.CurrentBlock().NumberU64()+1)) for j := 0; j < len(blocks)/2; j++ { @@ -116,7 +117,7 @@ func TestDAOForkRangeExtradata(t *testing.T) { // Verify that pro-forkers accept contra-fork extra-datas after forking finishes db, _ = ethdb.NewMemDatabase() WriteGenesisBlockForTesting(db) - bc, _ = NewBlockChain(db, proConf, new(FakePow), new(event.TypeMux)) + bc, _ = NewBlockChain(db, proConf, new(FakePow), new(event.TypeMux), vm.Config{}) blocks = proBc.GetBlocksFromHash(proBc.CurrentBlock().Hash(), int(proBc.CurrentBlock().NumberU64()+1)) for j := 0; j < len(blocks)/2; j++ { diff --git a/core/database_util.go b/core/database_util.go index 2060b8b6a..229f21b5b 100644 --- a/core/database_util.go +++ b/core/database_util.go @@ -30,6 +30,7 @@ import ( "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" + "github.com/ethereum/go-ethereum/metrics" "github.com/ethereum/go-ethereum/params" "github.com/ethereum/go-ethereum/rlp" ) @@ -39,12 +40,13 @@ var ( headBlockKey = []byte("LastBlock") headFastKey = []byte("LastFast") - headerPrefix = []byte("h") // headerPrefix + num (uint64 big endian) + hash -> header - tdSuffix = []byte("t") // headerPrefix + num (uint64 big endian) + hash + tdSuffix -> td - numSuffix = []byte("n") // headerPrefix + num (uint64 big endian) + numSuffix -> hash - blockHashPrefix = []byte("H") // blockHashPrefix + hash -> num (uint64 big endian) - bodyPrefix = []byte("b") // bodyPrefix + num (uint64 big endian) + hash -> block body - blockReceiptsPrefix = []byte("r") // blockReceiptsPrefix + num (uint64 big endian) + hash -> block receipts + headerPrefix = []byte("h") // headerPrefix + num (uint64 big endian) + hash -> header + tdSuffix = []byte("t") // headerPrefix + num (uint64 big endian) + hash + tdSuffix -> td + numSuffix = []byte("n") // headerPrefix + num (uint64 big endian) + numSuffix -> hash + blockHashPrefix = []byte("H") // blockHashPrefix + hash -> num (uint64 big endian) + bodyPrefix = []byte("b") // bodyPrefix + num (uint64 big endian) + hash -> block body + blockReceiptsPrefix = []byte("r") // blockReceiptsPrefix + num (uint64 big endian) + hash -> block receipts + preimagePrefix = "secure-key-" // preimagePrefix + hash -> preimage txMetaSuffix = []byte{0x01} receiptsPrefix = []byte("receipts-") @@ -66,6 +68,9 @@ var ( ChainConfigNotFoundErr = errors.New("ChainConfig not found") // general config not found error mipmapBloomMu sync.Mutex // protect against race condition when updating mipmap blooms + + preimageCounter = metrics.NewCounter("db/preimage/total") + preimageHitCounter = metrics.NewCounter("db/preimage/hits") ) // encodeBlockNumber encodes a block number as big endian uint64 @@ -595,6 +600,34 @@ func GetMipmapBloom(db ethdb.Database, number, level uint64) types.Bloom { return types.BytesToBloom(bloomDat) } +// PreimageTable returns a Database instance with the key prefix for preimage entries. +func PreimageTable(db ethdb.Database) ethdb.Database { + return ethdb.NewTable(db, preimagePrefix) +} + +// WritePreimages writes the provided set of preimages to the database. `number` is the +// current block number, and is used for debug messages only. +func WritePreimages(db ethdb.Database, number uint64, preimages map[common.Hash][]byte) error { + table := PreimageTable(db) + batch := table.NewBatch() + hitCount := 0 + for hash, preimage := range preimages { + if _, err := table.Get(hash.Bytes()); err != nil { + batch.Put(hash.Bytes(), preimage) + hitCount += 1 + } + } + preimageCounter.Inc(int64(len(preimages))) + preimageHitCounter.Inc(int64(hitCount)) + if hitCount > 0 { + if err := batch.Write(); err != nil { + return fmt.Errorf("preimage write fail for block %d: %v", number, err) + } + glog.V(logger.Debug).Infof("%d preimages in block %d, including %d new", len(preimages), number, hitCount) + } + return nil +} + // GetBlockChainVersion reads the version number from db. func GetBlockChainVersion(db ethdb.Database) int { var vsn uint diff --git a/core/state/journal.go b/core/state/journal.go index d1e73e7d0..68d07fa03 100644 --- a/core/state/journal.go +++ b/core/state/journal.go @@ -67,6 +67,9 @@ type ( addLogChange struct { txhash common.Hash } + addPreimageChange struct { + hash common.Hash + } touchChange struct { account *common.Address prev bool @@ -127,3 +130,7 @@ func (ch addLogChange) undo(s *StateDB) { s.logs[ch.txhash] = logs[:len(logs)-1] } } + +func (ch addPreimageChange) undo(s *StateDB) { + delete(s.preimages, ch.hash) +} diff --git a/core/state/statedb.go b/core/state/statedb.go index 063e2b469..bbccba9fb 100644 --- a/core/state/statedb.go +++ b/core/state/statedb.go @@ -75,6 +75,8 @@ type StateDB struct { logs map[common.Hash][]*types.Log logSize uint + preimages map[common.Hash][]byte + // Journal of state modifications. This is the backbone of // Snapshot and RevertToSnapshot. journal journal @@ -99,6 +101,7 @@ func New(root common.Hash, db ethdb.Database) (*StateDB, error) { stateObjectsDirty: make(map[common.Address]struct{}), refund: new(big.Int), logs: make(map[common.Hash][]*types.Log), + preimages: make(map[common.Hash][]byte), }, nil } @@ -120,6 +123,7 @@ func (self *StateDB) New(root common.Hash) (*StateDB, error) { stateObjectsDirty: make(map[common.Address]struct{}), refund: new(big.Int), logs: make(map[common.Hash][]*types.Log), + preimages: make(map[common.Hash][]byte), }, nil } @@ -141,6 +145,7 @@ func (self *StateDB) Reset(root common.Hash) error { self.txIndex = 0 self.logs = make(map[common.Hash][]*types.Log) self.logSize = 0 + self.preimages = make(map[common.Hash][]byte) self.clearJournalAndRefund() return nil @@ -199,6 +204,21 @@ func (self *StateDB) Logs() []*types.Log { return logs } +// AddPreimage records a SHA3 preimage seen by the VM. +func (self *StateDB) AddPreimage(hash common.Hash, preimage []byte) { + if _, ok := self.preimages[hash]; !ok { + self.journal = append(self.journal, addPreimageChange{hash: hash}) + pi := make([]byte, len(preimage)) + copy(pi, preimage) + self.preimages[hash] = pi + } +} + +// Preimages returns a list of SHA3 preimages that have been submitted. +func (self *StateDB) Preimages() map[common.Hash][]byte { + return self.preimages +} + func (self *StateDB) AddRefund(gas *big.Int) { self.journal = append(self.journal, refundChange{prev: new(big.Int).Set(self.refund)}) self.refund.Add(self.refund, gas) @@ -477,8 +497,9 @@ func (self *StateDB) Copy() *StateDB { refund: new(big.Int).Set(self.refund), logs: make(map[common.Hash][]*types.Log, len(self.logs)), logSize: self.logSize, + preimages: make(map[common.Hash][]byte), } - // Copy the dirty states and logs + // Copy the dirty states, logs, and preimages for addr := range self.stateObjectsDirty { state.stateObjects[addr] = self.stateObjects[addr].deepCopy(state, state.MarkStateObjectDirty) state.stateObjectsDirty[addr] = struct{}{} @@ -487,6 +508,9 @@ func (self *StateDB) Copy() *StateDB { state.logs[hash] = make([]*types.Log, len(logs)) copy(state.logs[hash], logs) } + for hash, preimage := range self.preimages { + state.preimages[hash] = preimage + } return state } diff --git a/core/state_processor.go b/core/state_processor.go index 4f6ca651e..6485e9abd 100644 --- a/core/state_processor.go +++ b/core/state_processor.go @@ -99,7 +99,7 @@ func ApplyTransaction(config *params.ChainConfig, bc *BlockChain, gp *GasPool, s context := NewEVMContext(msg, header, bc) // Create a new environment which holds all relevant information // about the transaction and calling mechanisms. - vmenv := vm.NewEVM(context, statedb, config, vm.Config{}) + vmenv := vm.NewEVM(context, statedb, config, cfg) // Apply the transaction to the current state (included in the env) _, gas, err := ApplyMessage(vmenv, msg, gp) if err != nil { diff --git a/core/vm/instructions.go b/core/vm/instructions.go index 5bfa73a30..3b1b06cca 100644 --- a/core/vm/instructions.go +++ b/core/vm/instructions.go @@ -247,7 +247,12 @@ func opMulmod(pc *uint64, env *EVM, contract *Contract, memory *Memory, stack *S func opSha3(pc *uint64, env *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) { offset, size := stack.pop(), stack.pop() - hash := crypto.Keccak256(memory.Get(offset.Int64(), size.Int64())) + data := memory.Get(offset.Int64(), size.Int64()) + hash := crypto.Keccak256(data) + + if env.vmConfig.EnablePreimageRecording { + env.StateDB.AddPreimage(common.BytesToHash(hash), data) + } stack.push(common.BytesToBig(hash)) return nil, nil diff --git a/core/vm/interface.go b/core/vm/interface.go index 8617b2d0f..6f15112ee 100644 --- a/core/vm/interface.go +++ b/core/vm/interface.go @@ -60,6 +60,7 @@ type StateDB interface { Snapshot() int AddLog(*types.Log) + AddPreimage(common.Hash, []byte) } // Account represents a contract or basic ethereum account. diff --git a/core/vm/noop.go b/core/vm/noop.go index ef6837273..7835eeaf3 100644 --- a/core/vm/noop.go +++ b/core/vm/noop.go @@ -67,3 +67,4 @@ func (NoopStateDB) Empty(common.Address) bool { return f func (NoopStateDB) RevertToSnapshot(int) {} func (NoopStateDB) Snapshot() int { return 0 } func (NoopStateDB) AddLog(*types.Log) {} +func (NoopStateDB) AddPreimage(common.Hash, []byte) {} diff --git a/core/vm/vm.go b/core/vm/vm.go index 56081f12c..a5f48750d 100644 --- a/core/vm/vm.go +++ b/core/vm/vm.go @@ -44,6 +44,8 @@ type Config struct { NoRecursion bool // Disable gas metering DisableGasMetering bool + // Enable recording of SHA3/keccak preimages + EnablePreimageRecording bool // JumpTable contains the EVM instruction table. This // may me left uninitialised and will be set the default // table. |