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

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This commit is contained in:
Nick Johnson
2017-01-17 11:19:50 +00:00
committed by Felix Lange
parent 26d385c18b
commit 17d92233d9
29 changed files with 156 additions and 46 deletions
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6
eth/api.go
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@ -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
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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/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
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@ -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
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 {