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cmd/geth, core: add support for recording SHA3 preimages (#3543)

Browse Source
release/1.5
Nick Johnson 8 years ago committed by Felix Lange
parent 26d385c18b
commit 17d92233d9
29 changed files with 156 additions and 46 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 2
      accounts/abi/bind/backends/simulated.go
  2. 1
      cmd/geth/main.go
  3. 1
      cmd/geth/usage.go
  4. 8
      cmd/utils/flags.go
  5. 5
      core/bench_test.go
  6. 3
      core/block_validator_test.go
  7. 10
      core/blockchain.go
  8. 26
      core/blockchain_test.go
  9. 2
      core/chain_makers.go
  10. 3
      core/chain_makers_test.go
  11. 13
      core/dao_test.go
  12. 45
      core/database_util.go
  13. 7
      core/state/journal.go
  14. 26
      core/state/statedb.go
  15. 2
      core/state_processor.go
  16. 7
      core/vm/instructions.go
  17. 1
      core/vm/interface.go
  18. 1
      core/vm/noop.go
  19. 2
      core/vm/vm.go
  20. 6
      eth/api.go
  21. 6
      eth/backend.go
  22. 3
      eth/handler_test.go
  23. 3
      eth/helper_test.go
  24. 6
      internal/web3ext/web3ext.go
  25. 3
      les/helper_test.go
  26. 2
      light/odr_test.go
  27. 3
      light/txpool_test.go
  28. 2
      light/vm_env.go
  29. 3
      tests/block_test_util.go

2
accounts/abi/bind/backends/simulated.go
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@ -61,7 +61,7 @@ type SimulatedBackend struct {
func NewSimulatedBackend(accounts ...core.GenesisAccount) *SimulatedBackend {
database, _ := ethdb.NewMemDatabase()
core.WriteGenesisBlockForTesting(database, accounts...)
blockchain, _ := core.NewBlockChain(database, chainConfig, new(core.FakePow), new(event.TypeMux))
blockchain, _ := core.NewBlockChain(database, chainConfig, new(core.FakePow), new(event.TypeMux), vm.Config{})
backend := &SimulatedBackend{database: database, blockchain: blockchain}
backend.rollback()
return backend

1
cmd/geth/main.go
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@ -132,6 +132,7 @@ func init() {
utils.VMForceJitFlag,
utils.VMJitCacheFlag,
utils.VMEnableJitFlag,
utils.VMEnableDebugFlag,
utils.NetworkIdFlag,
utils.RPCCORSDomainFlag,
utils.EthStatsURLFlag,

1
cmd/geth/usage.go
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@ -155,6 +155,7 @@ var AppHelpFlagGroups = []flagGroup{
utils.VMEnableJitFlag,
utils.VMForceJitFlag,
utils.VMJitCacheFlag,
utils.VMEnableDebugFlag,
},
},
{

8
cmd/utils/flags.go
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@ -33,6 +33,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
@ -230,6 +231,10 @@ var (
Name: "jitvm",
Usage: "Enable the JIT VM",
}
VMEnableDebugFlag = cli.BoolFlag{
Name: "vmdebug",
Usage: "Record information useful for VM and contract debugging",
}
// Logging and debug settings
EthStatsURLFlag = cli.StringFlag{
Name: "ethstats",
@ -741,6 +746,7 @@ func RegisterEthService(ctx *cli.Context, stack *node.Node, extra []byte) {
GpobaseCorrectionFactor: ctx.GlobalInt(GpobaseCorrectionFactorFlag.Name),
SolcPath: ctx.GlobalString(SolcPathFlag.Name),
AutoDAG: ctx.GlobalBool(AutoDAGFlag.Name) || ctx.GlobalBool(MiningEnabledFlag.Name),
EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name),
}
// Override any default configs in dev mode or the test net
@ -912,7 +918,7 @@ func MakeChain(ctx *cli.Context, stack *node.Node) (chain *core.BlockChain, chai
if !ctx.GlobalBool(FakePoWFlag.Name) {
pow = ethash.New()
}
chain, err = core.NewBlockChain(chainDb, chainConfig, pow, new(event.TypeMux))
chain, err = core.NewBlockChain(chainDb, chainConfig, pow, new(event.TypeMux), vm.Config{EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name)})
if err != nil {
Fatalf("Could not start chainmanager: %v", err)
}

5
core/bench_test.go
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@ -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, &params.ChainConfig{HomesteadBlock: new(big.Int)}, FakePow{}, evmux)
chainman, _ := NewBlockChain(db, &params.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)
}

3
core/block_validator_test.go
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@ -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)
}

10
core/blockchain.go
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@ -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()))

26
core/blockchain_test.go
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@ -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 (

2
core/chain_makers.go
Unescape View File

@ -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

3
core/chain_makers_test.go
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@ -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

13
core/dao_test.go
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@ -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 := &params.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 := &params.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++ {

45
core/database_util.go
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@ -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

7
core/state/journal.go
Unescape View File

@ -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)
}

26
core/state/statedb.go
Unescape View File

@ -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
}

2
core/state_processor.go
Unescape View File

@ -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 {

7
core/vm/instructions.go
Unescape View File

@ -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

1
core/vm/interface.go
Unescape View File

@ -60,6 +60,7 @@ type StateDB interface {
Snapshot() int
AddLog(*types.Log)
AddPreimage(common.Hash, []byte)
}
// Account represents a contract or basic ethereum account.

1
core/vm/noop.go
Unescape View File

@ -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) {}

2
core/vm/vm.go
Unescape View File

@ -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.

6
eth/api.go
Unescape View File

@ -560,3 +560,9 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, txHash common.
}
return nil, errors.New("database inconsistency")
}
// Preimage is a debug API function that returns the preimage for a sha3 hash, if known.
func (api *PrivateDebugAPI) Preimage(ctx context.Context, hash common.Hash) (hexutil.Bytes, error) {
db := core.PreimageTable(api.eth.ChainDb())
return db.Get(hash.Bytes())
}

6
eth/backend.go
Unescape View File

@ -33,6 +33,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/filters"
"github.com/ethereum/go-ethereum/eth/gasprice"
@ -97,8 +98,7 @@ type Config struct {
GpobaseStepUp int
GpobaseCorrectionFactor int
EnableJit bool
ForceJit bool
EnablePreimageRecording bool
TestGenesisBlock *types.Block // Genesis block to seed the chain database with (testing only!)
TestGenesisState ethdb.Database // Genesis state to seed the database with (testing only!)
@ -218,7 +218,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
glog.V(logger.Info).Infoln("Chain config:", eth.chainConfig)
eth.blockchain, err = core.NewBlockChain(chainDb, eth.chainConfig, eth.pow, eth.EventMux())
eth.blockchain, err = core.NewBlockChain(chainDb, eth.chainConfig, eth.pow, eth.EventMux(), vm.Config{EnablePreimageRecording: config.EnablePreimageRecording})
if err != nil {
if err == core.ErrNoGenesis {
return nil, fmt.Errorf(`No chain found. Please initialise a new chain using the "init" subcommand.`)

3
eth/handler_test.go
Unescape View File

@ -27,6 +27,7 @@ import (
"github.com/ethereum/go-ethereum/core"
"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/crypto"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/ethdb"
@ -469,7 +470,7 @@ func testDAOChallenge(t *testing.T, localForked, remoteForked bool, timeout bool
db, _ = ethdb.NewMemDatabase()
genesis = core.WriteGenesisBlockForTesting(db)
config = &params.ChainConfig{DAOForkBlock: big.NewInt(1), DAOForkSupport: localForked}
blockchain, _ = core.NewBlockChain(db, config, pow, evmux)
blockchain, _ = core.NewBlockChain(db, config, pow, evmux, vm.Config{})
)
pm, err := NewProtocolManager(config, false, NetworkId, 1000, evmux, new(testTxPool), pow, blockchain, db)
if err != nil {

3
eth/helper_test.go
Unescape View File

@ -30,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"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"
@ -56,7 +57,7 @@ func newTestProtocolManager(fastSync bool, blocks int, generator func(int, *core
db, _ = ethdb.NewMemDatabase()
genesis = core.WriteGenesisBlockForTesting(db, testBank)
chainConfig = &params.ChainConfig{HomesteadBlock: big.NewInt(0)} // homestead set to 0 because of chain maker
blockchain, _ = core.NewBlockChain(db, chainConfig, pow, evmux)
blockchain, _ = core.NewBlockChain(db, chainConfig, pow, evmux, vm.Config{})
)
chain, _ := core.GenerateChain(chainConfig, genesis, db, blocks, generator)
if _, err := blockchain.InsertChain(chain); err != nil {

6
internal/web3ext/web3ext.go
Unescape View File

@ -385,6 +385,12 @@ web3._extend({
call: 'debug_traceTransaction',
params: 2,
inputFormatter: [null, null]
}),
new web3._extend.Method({
name: 'preimage',
call: 'debug_preimage',
params: 1,
inputFormatter: [null]
})
],
properties: []

3
les/helper_test.go
Unescape View File

@ -30,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"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"
@ -143,7 +144,7 @@ func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *cor
odr = NewLesOdr(db)
chain, _ = light.NewLightChain(odr, chainConfig, pow, evmux)
} else {
blockchain, _ := core.NewBlockChain(db, chainConfig, pow, evmux)
blockchain, _ := core.NewBlockChain(db, chainConfig, pow, evmux, vm.Config{})
gchain, _ := core.GenerateChain(chainConfig, genesis, db, blocks, generator)
if _, err := blockchain.InsertChain(gchain); err != nil {
panic(err)

2
light/odr_test.go
Unescape View File

@ -251,7 +251,7 @@ func testChainOdr(t *testing.T, protocol int, expFail uint64, fn odrTestFn) {
)
core.WriteGenesisBlockForTesting(ldb, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
// Assemble the test environment
blockchain, _ := core.NewBlockChain(sdb, testChainConfig(), pow, evmux)
blockchain, _ := core.NewBlockChain(sdb, testChainConfig(), pow, evmux, vm.Config{})
chainConfig := &params.ChainConfig{HomesteadBlock: new(big.Int)}
gchain, _ := core.GenerateChain(chainConfig, genesis, sdb, 4, testChainGen)
if _, err := blockchain.InsertChain(gchain); err != nil {

3
light/txpool_test.go
Unescape View File

@ -25,6 +25,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"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"
@ -88,7 +89,7 @@ func TestTxPool(t *testing.T) {
)
core.WriteGenesisBlockForTesting(ldb, core.GenesisAccount{Address: testBankAddress, Balance: testBankFunds})
// Assemble the test environment
blockchain, _ := core.NewBlockChain(sdb, testChainConfig(), pow, evmux)
blockchain, _ := core.NewBlockChain(sdb, testChainConfig(), pow, evmux, vm.Config{})
chainConfig := &params.ChainConfig{HomesteadBlock: new(big.Int)}
gchain, _ := core.GenerateChain(chainConfig, genesis, sdb, poolTestBlocks, txPoolTestChainGen)
if _, err := blockchain.InsertChain(gchain); err != nil {

2
light/vm_env.go
Unescape View File

@ -45,6 +45,8 @@ func (s *VMState) Error() error {
func (s *VMState) AddLog(log *types.Log) {}
func (s *VMState) AddPreimage(hash common.Hash, preimage []byte) {}
// errHandler handles and stores any state error that happens during execution.
func (s *VMState) errHandler(err error) {
if err != nil && s.err == nil {

3
tests/block_test_util.go
Unescape View File

@ -31,6 +31,7 @@ import (
"github.com/ethereum/go-ethereum/core"
"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/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
@ -172,7 +173,7 @@ func runBlockTest(homesteadBlock, daoForkBlock, gasPriceFork *big.Int, test *Blo
core.WriteHeadBlockHash(db, test.Genesis.Hash())
evmux := new(event.TypeMux)
config := &params.ChainConfig{HomesteadBlock: homesteadBlock, DAOForkBlock: daoForkBlock, DAOForkSupport: true, EIP150Block: gasPriceFork}
chain, err := core.NewBlockChain(db, config, ethash.NewShared(), evmux)
chain, err := core.NewBlockChain(db, config, ethash.NewShared(), evmux, vm.Config{})
if err != nil {
return err
}

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