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- // Copyright 2015 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package eth
- import (
- "compress/gzip"
- "context"
- "errors"
- "fmt"
- "io"
- "math/big"
- "os"
- "runtime"
- "strings"
- "time"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/common/hexutil"
- "github.com/ethereum/go-ethereum/core"
- "github.com/ethereum/go-ethereum/core/rawdb"
- "github.com/ethereum/go-ethereum/core/state"
- "github.com/ethereum/go-ethereum/core/types"
- "github.com/ethereum/go-ethereum/internal/ethapi"
- "github.com/ethereum/go-ethereum/rlp"
- "github.com/ethereum/go-ethereum/rpc"
- "github.com/ethereum/go-ethereum/trie"
- )
- // PublicEthereumAPI provides an API to access Ethereum full node-related
- // information.
- type PublicEthereumAPI struct {
- e *Ethereum
- }
- // NewPublicEthereumAPI creates a new Ethereum protocol API for full nodes.
- func NewPublicEthereumAPI(e *Ethereum) *PublicEthereumAPI {
- return &PublicEthereumAPI{e}
- }
- // Etherbase is the address that mining rewards will be send to
- func (api *PublicEthereumAPI) Etherbase() (common.Address, error) {
- return api.e.Etherbase()
- }
- // Coinbase is the address that mining rewards will be send to (alias for Etherbase)
- func (api *PublicEthereumAPI) Coinbase() (common.Address, error) {
- return api.Etherbase()
- }
- // Hashrate returns the POW hashrate
- func (api *PublicEthereumAPI) Hashrate() hexutil.Uint64 {
- return hexutil.Uint64(api.e.Miner().Hashrate())
- }
- // PublicMinerAPI provides an API to control the miner.
- // It offers only methods that operate on data that pose no security risk when it is publicly accessible.
- type PublicMinerAPI struct {
- e *Ethereum
- }
- // NewPublicMinerAPI create a new PublicMinerAPI instance.
- func NewPublicMinerAPI(e *Ethereum) *PublicMinerAPI {
- return &PublicMinerAPI{e}
- }
- // Mining returns an indication if this node is currently mining.
- func (api *PublicMinerAPI) Mining() bool {
- return api.e.IsMining()
- }
- // PrivateMinerAPI provides private RPC methods to control the miner.
- // These methods can be abused by external users and must be considered insecure for use by untrusted users.
- type PrivateMinerAPI struct {
- e *Ethereum
- }
- // NewPrivateMinerAPI create a new RPC service which controls the miner of this node.
- func NewPrivateMinerAPI(e *Ethereum) *PrivateMinerAPI {
- return &PrivateMinerAPI{e: e}
- }
- // Start starts the miner with the given number of threads. If threads is nil,
- // the number of workers started is equal to the number of logical CPUs that are
- // usable by this process. If mining is already running, this method adjust the
- // number of threads allowed to use and updates the minimum price required by the
- // transaction pool.
- func (api *PrivateMinerAPI) Start(threads *int) error {
- if threads == nil {
- return api.e.StartMining(runtime.NumCPU())
- }
- return api.e.StartMining(*threads)
- }
- // Stop terminates the miner, both at the consensus engine level as well as at
- // the block creation level.
- func (api *PrivateMinerAPI) Stop() {
- api.e.StopMining()
- }
- // SetExtra sets the extra data string that is included when this miner mines a block.
- func (api *PrivateMinerAPI) SetExtra(extra string) (bool, error) {
- if err := api.e.Miner().SetExtra([]byte(extra)); err != nil {
- return false, err
- }
- return true, nil
- }
- // SetGasPrice sets the minimum accepted gas price for the miner.
- func (api *PrivateMinerAPI) SetGasPrice(gasPrice hexutil.Big) bool {
- api.e.lock.Lock()
- api.e.gasPrice = (*big.Int)(&gasPrice)
- api.e.lock.Unlock()
- api.e.txPool.SetGasPrice((*big.Int)(&gasPrice))
- return true
- }
- // SetEtherbase sets the etherbase of the miner
- func (api *PrivateMinerAPI) SetEtherbase(etherbase common.Address) bool {
- // Quorum: Set return value, so user can be notified if it is disallowed.
- return api.e.SetEtherbase(etherbase)
- }
- // SetRecommitInterval updates the interval for miner sealing work recommitting.
- func (api *PrivateMinerAPI) SetRecommitInterval(interval int) {
- api.e.Miner().SetRecommitInterval(time.Duration(interval) * time.Millisecond)
- }
- // PrivateAdminAPI is the collection of Ethereum full node-related APIs
- // exposed over the private admin endpoint.
- type PrivateAdminAPI struct {
- eth *Ethereum
- }
- // NewPrivateAdminAPI creates a new API definition for the full node private
- // admin methods of the Ethereum service.
- func NewPrivateAdminAPI(eth *Ethereum) *PrivateAdminAPI {
- return &PrivateAdminAPI{eth: eth}
- }
- // ExportChain exports the current blockchain into a local file,
- // or a range of blocks if first and last are non-nil
- func (api *PrivateAdminAPI) ExportChain(file string, first *uint64, last *uint64) (bool, error) {
- if first == nil && last != nil {
- return false, errors.New("last cannot be specified without first")
- }
- if first != nil && last == nil {
- head := api.eth.BlockChain().CurrentHeader().Number.Uint64()
- last = &head
- }
- if _, err := os.Stat(file); err == nil {
- // File already exists. Allowing overwrite could be a DoS vecotor,
- // since the 'file' may point to arbitrary paths on the drive
- return false, errors.New("location would overwrite an existing file")
- }
- // Make sure we can create the file to export into
- out, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
- if err != nil {
- return false, err
- }
- defer out.Close()
- var writer io.Writer = out
- if strings.HasSuffix(file, ".gz") {
- writer = gzip.NewWriter(writer)
- defer writer.(*gzip.Writer).Close()
- }
- // Export the blockchain
- if first != nil {
- if err := api.eth.BlockChain().ExportN(writer, *first, *last); err != nil {
- return false, err
- }
- } else if err := api.eth.BlockChain().Export(writer); err != nil {
- return false, err
- }
- return true, nil
- }
- func hasAllBlocks(chain *core.BlockChain, bs []*types.Block) bool {
- for _, b := range bs {
- if !chain.HasBlock(b.Hash(), b.NumberU64()) {
- return false
- }
- }
- return true
- }
- // ImportChain imports a blockchain from a local file.
- func (api *PrivateAdminAPI) ImportChain(file string) (bool, error) {
- // Make sure the can access the file to import
- in, err := os.Open(file)
- if err != nil {
- return false, err
- }
- defer in.Close()
- var reader io.Reader = in
- if strings.HasSuffix(file, ".gz") {
- if reader, err = gzip.NewReader(reader); err != nil {
- return false, err
- }
- }
- // Run actual the import in pre-configured batches
- stream := rlp.NewStream(reader, 0)
- blocks, index := make([]*types.Block, 0, 2500), 0
- for batch := 0; ; batch++ {
- // Load a batch of blocks from the input file
- for len(blocks) < cap(blocks) {
- block := new(types.Block)
- if err := stream.Decode(block); err == io.EOF {
- break
- } else if err != nil {
- return false, fmt.Errorf("block %d: failed to parse: %v", index, err)
- }
- blocks = append(blocks, block)
- index++
- }
- if len(blocks) == 0 {
- break
- }
- if hasAllBlocks(api.eth.BlockChain(), blocks) {
- blocks = blocks[:0]
- continue
- }
- // Import the batch and reset the buffer
- if _, err := api.eth.BlockChain().InsertChain(blocks); err != nil {
- return false, fmt.Errorf("batch %d: failed to insert: %v", batch, err)
- }
- blocks = blocks[:0]
- }
- return true, nil
- }
- // PublicDebugAPI is the collection of Ethereum full node APIs exposed
- // over the public debugging endpoint.
- type PublicDebugAPI struct {
- eth *Ethereum
- }
- // NewPublicDebugAPI creates a new API definition for the full node-
- // related public debug methods of the Ethereum service.
- func NewPublicDebugAPI(eth *Ethereum) *PublicDebugAPI {
- return &PublicDebugAPI{eth: eth}
- }
- // DumpBlock retrieves the entire state of the database at a given block.
- // Quorum adds an additional parameter to support private state dump
- func (api *PublicDebugAPI) DumpBlock(ctx context.Context, blockNr rpc.BlockNumber, typ *string) (state.Dump, error) {
- publicState, privateState, err := api.getStateDbsFromBlockNumber(ctx, blockNr)
- if err != nil {
- return state.Dump{}, err
- }
- if typ != nil && *typ == "private" {
- return privateState.RawDump(false, false, true), nil
- }
- return publicState.RawDump(false, false, true), nil
- }
- func (api *PublicDebugAPI) PrivateStateRoot(ctx context.Context, blockNr rpc.BlockNumber) (common.Hash, error) {
- _, privateState, err := api.getStateDbsFromBlockNumber(ctx, blockNr)
- if err != nil {
- return common.Hash{}, err
- }
- return privateState.IntermediateRoot(true), nil
- }
- func (api *PublicDebugAPI) DefaultStateRoot(ctx context.Context, blockNr rpc.BlockNumber) (common.Hash, error) {
- psm, err := api.eth.blockchain.PrivateStateManager().StateRepository(api.eth.blockchain.CurrentBlock().Hash())
- if err != nil {
- return common.Hash{}, err
- }
- defaultPSM := psm.DefaultStateMetadata()
- var privateState *state.StateDB
- if blockNr == rpc.PendingBlockNumber {
- // If we're dumping the pending state, we need to request
- // both the pending block as well as the pending state from
- // the miner and operate on those
- _, _, privateState = api.eth.miner.Pending(defaultPSM.ID)
- // this is a copy of the private state so it is OK to do IntermediateRoot
- return privateState.IntermediateRoot(true), nil
- }
- var block *types.Block
- if blockNr == rpc.LatestBlockNumber {
- block = api.eth.blockchain.CurrentBlock()
- } else {
- block = api.eth.blockchain.GetBlockByNumber(uint64(blockNr))
- }
- if block == nil {
- return common.Hash{}, fmt.Errorf("block #%d not found", blockNr)
- }
- _, privateState, err = api.eth.BlockChain().StateAtPSI(block.Root(), defaultPSM.ID)
- if err != nil {
- return common.Hash{}, err
- }
- return privateState.IntermediateRoot(true), nil
- }
- // PrivateDebugAPI is the collection of Ethereum full node APIs exposed over
- // the private debugging endpoint.
- type PrivateDebugAPI struct {
- eth *Ethereum
- }
- // NewPrivateDebugAPI creates a new API definition for the full node-related
- // private debug methods of the Ethereum service.
- func NewPrivateDebugAPI(eth *Ethereum) *PrivateDebugAPI {
- return &PrivateDebugAPI{eth: eth}
- }
- // 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) {
- if preimage := rawdb.ReadPreimage(api.eth.ChainDb(), hash); preimage != nil {
- return preimage, nil
- }
- return nil, errors.New("unknown preimage")
- }
- // BadBlockArgs represents the entries in the list returned when bad blocks are queried.
- type BadBlockArgs struct {
- Hash common.Hash `json:"hash"`
- Block map[string]interface{} `json:"block"`
- RLP string `json:"rlp"`
- }
- // GetBadBlocks returns a list of the last 'bad blocks' that the client has seen on the network
- // and returns them as a JSON list of block-hashes
- func (api *PrivateDebugAPI) GetBadBlocks(ctx context.Context) ([]*BadBlockArgs, error) {
- var (
- err error
- blocks = rawdb.ReadAllBadBlocks(api.eth.chainDb)
- results = make([]*BadBlockArgs, 0, len(blocks))
- )
- for _, block := range blocks {
- var (
- blockRlp string
- blockJSON map[string]interface{}
- )
- if rlpBytes, err := rlp.EncodeToBytes(block); err != nil {
- blockRlp = err.Error() // Hacky, but hey, it works
- } else {
- blockRlp = fmt.Sprintf("0x%x", rlpBytes)
- }
- if blockJSON, err = ethapi.RPCMarshalBlock(block, true, true); err != nil {
- blockJSON = map[string]interface{}{"error": err.Error()}
- }
- results = append(results, &BadBlockArgs{
- Hash: block.Hash(),
- RLP: blockRlp,
- Block: blockJSON,
- })
- }
- return results, nil
- }
- // AccountRangeMaxResults is the maximum number of results to be returned per call
- const AccountRangeMaxResults = 256
- // AccountRange enumerates all accounts in the given block and start point in paging request
- func (api *PublicDebugAPI) AccountRange(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash, start []byte, maxResults int, nocode, nostorage, incompletes bool) (state.IteratorDump, error) {
- psm, err := api.eth.blockchain.PrivateStateManager().ResolveForUserContext(ctx)
- if err != nil {
- return state.IteratorDump{}, err
- }
- var stateDb *state.StateDB
- if number, ok := blockNrOrHash.Number(); ok {
- if number == rpc.PendingBlockNumber {
- // If we're dumping the pending state, we need to request
- // both the pending block as well as the pending state from
- // the miner and operate on those
- _, stateDb, _ = api.eth.miner.Pending(psm.ID)
- } else {
- var block *types.Block
- if number == rpc.LatestBlockNumber {
- block = api.eth.blockchain.CurrentBlock()
- } else {
- block = api.eth.blockchain.GetBlockByNumber(uint64(number))
- }
- if block == nil {
- return state.IteratorDump{}, fmt.Errorf("block #%d not found", number)
- }
- stateDb, _, err = api.eth.BlockChain().StateAtPSI(block.Root(), psm.ID)
- if err != nil {
- return state.IteratorDump{}, err
- }
- }
- } else if hash, ok := blockNrOrHash.Hash(); ok {
- block := api.eth.blockchain.GetBlockByHash(hash)
- if block == nil {
- return state.IteratorDump{}, fmt.Errorf("block %s not found", hash.Hex())
- }
- stateDb, _, err = api.eth.BlockChain().StateAtPSI(block.Root(), psm.ID)
- if err != nil {
- return state.IteratorDump{}, err
- }
- } else {
- return state.IteratorDump{}, errors.New("either block number or block hash must be specified")
- }
- if maxResults > AccountRangeMaxResults || maxResults <= 0 {
- maxResults = AccountRangeMaxResults
- }
- return stateDb.IteratorDump(nocode, nostorage, incompletes, start, maxResults), nil
- }
- // StorageRangeResult is the result of a debug_storageRangeAt API call.
- type StorageRangeResult struct {
- Storage storageMap `json:"storage"`
- NextKey *common.Hash `json:"nextKey"` // nil if Storage includes the last key in the trie.
- }
- type storageMap map[common.Hash]storageEntry
- type storageEntry struct {
- Key *common.Hash `json:"key"`
- Value common.Hash `json:"value"`
- }
- // StorageRangeAt returns the storage at the given block height and transaction index.
- func (api *PrivateDebugAPI) StorageRangeAt(ctx context.Context, blockHash common.Hash, txIndex int, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error) {
- // Retrieve the block
- block := api.eth.blockchain.GetBlockByHash(blockHash)
- if block == nil {
- return StorageRangeResult{}, fmt.Errorf("block %#x not found", blockHash)
- }
- _, _, statedb, _, _, err := api.eth.stateAtTransaction(ctx, block, txIndex, 0)
- if err != nil {
- return StorageRangeResult{}, err
- }
- st := statedb.StorageTrie(contractAddress)
- if st == nil {
- return StorageRangeResult{}, fmt.Errorf("account %x doesn't exist", contractAddress)
- }
- return storageRangeAt(st, keyStart, maxResult)
- }
- func storageRangeAt(st state.Trie, start []byte, maxResult int) (StorageRangeResult, error) {
- it := trie.NewIterator(st.NodeIterator(start))
- result := StorageRangeResult{Storage: storageMap{}}
- for i := 0; i < maxResult && it.Next(); i++ {
- _, content, _, err := rlp.Split(it.Value)
- if err != nil {
- return StorageRangeResult{}, err
- }
- e := storageEntry{Value: common.BytesToHash(content)}
- if preimage := st.GetKey(it.Key); preimage != nil {
- preimage := common.BytesToHash(preimage)
- e.Key = &preimage
- }
- result.Storage[common.BytesToHash(it.Key)] = e
- }
- // Add the 'next key' so clients can continue downloading.
- if it.Next() {
- next := common.BytesToHash(it.Key)
- result.NextKey = &next
- }
- return result, nil
- }
- // GetModifiedAccountsByNumber returns all accounts that have changed between the
- // two blocks specified. A change is defined as a difference in nonce, balance,
- // code hash, or storage hash.
- //
- // With one parameter, returns the list of accounts modified in the specified block.
- func (api *PrivateDebugAPI) GetModifiedAccountsByNumber(startNum uint64, endNum *uint64) ([]common.Address, error) {
- var startBlock, endBlock *types.Block
- startBlock = api.eth.blockchain.GetBlockByNumber(startNum)
- if startBlock == nil {
- return nil, fmt.Errorf("start block %x not found", startNum)
- }
- if endNum == nil {
- endBlock = startBlock
- startBlock = api.eth.blockchain.GetBlockByHash(startBlock.ParentHash())
- if startBlock == nil {
- return nil, fmt.Errorf("block %x has no parent", endBlock.Number())
- }
- } else {
- endBlock = api.eth.blockchain.GetBlockByNumber(*endNum)
- if endBlock == nil {
- return nil, fmt.Errorf("end block %d not found", *endNum)
- }
- }
- return api.getModifiedAccounts(startBlock, endBlock)
- }
- // GetModifiedAccountsByHash returns all accounts that have changed between the
- // two blocks specified. A change is defined as a difference in nonce, balance,
- // code hash, or storage hash.
- //
- // With one parameter, returns the list of accounts modified in the specified block.
- func (api *PrivateDebugAPI) GetModifiedAccountsByHash(startHash common.Hash, endHash *common.Hash) ([]common.Address, error) {
- var startBlock, endBlock *types.Block
- startBlock = api.eth.blockchain.GetBlockByHash(startHash)
- if startBlock == nil {
- return nil, fmt.Errorf("start block %x not found", startHash)
- }
- if endHash == nil {
- endBlock = startBlock
- startBlock = api.eth.blockchain.GetBlockByHash(startBlock.ParentHash())
- if startBlock == nil {
- return nil, fmt.Errorf("block %x has no parent", endBlock.Number())
- }
- } else {
- endBlock = api.eth.blockchain.GetBlockByHash(*endHash)
- if endBlock == nil {
- return nil, fmt.Errorf("end block %x not found", *endHash)
- }
- }
- return api.getModifiedAccounts(startBlock, endBlock)
- }
- func (api *PrivateDebugAPI) getModifiedAccounts(startBlock, endBlock *types.Block) ([]common.Address, error) {
- if startBlock.Number().Uint64() >= endBlock.Number().Uint64() {
- return nil, fmt.Errorf("start block height (%d) must be less than end block height (%d)", startBlock.Number().Uint64(), endBlock.Number().Uint64())
- }
- triedb := api.eth.BlockChain().StateCache().TrieDB()
- oldTrie, err := trie.NewSecure(startBlock.Root(), triedb)
- if err != nil {
- return nil, err
- }
- newTrie, err := trie.NewSecure(endBlock.Root(), triedb)
- if err != nil {
- return nil, err
- }
- diff, _ := trie.NewDifferenceIterator(oldTrie.NodeIterator([]byte{}), newTrie.NodeIterator([]byte{}))
- iter := trie.NewIterator(diff)
- var dirty []common.Address
- for iter.Next() {
- key := newTrie.GetKey(iter.Key)
- if key == nil {
- return nil, fmt.Errorf("no preimage found for hash %x", iter.Key)
- }
- dirty = append(dirty, common.BytesToAddress(key))
- }
- return dirty, nil
- }
- // Quorum
- // StorageRoot returns the storage root of an account on the the given (optional) block height.
- // If block number is not given the latest block is used.
- func (s *PublicEthereumAPI) StorageRoot(ctx context.Context, addr common.Address, blockNr *rpc.BlockNumber) (common.Hash, error) {
- var (
- pub, priv *state.StateDB
- err error
- )
- psm, err := s.e.blockchain.PrivateStateManager().ResolveForUserContext(ctx)
- if err != nil {
- return common.Hash{}, err
- }
- if blockNr == nil || blockNr.Int64() == rpc.LatestBlockNumber.Int64() {
- pub, priv, err = s.e.blockchain.StatePSI(psm.ID)
- } else {
- if ch := s.e.blockchain.GetHeaderByNumber(uint64(blockNr.Int64())); ch != nil {
- pub, priv, err = s.e.blockchain.StateAtPSI(ch.Root, psm.ID)
- } else {
- return common.Hash{}, fmt.Errorf("invalid block number")
- }
- }
- if err != nil {
- return common.Hash{}, err
- }
- if priv.Exist(addr) {
- return priv.GetStorageRoot(addr)
- }
- return pub.GetStorageRoot(addr)
- }
- // DumpAddress retrieves the state of an address at a given block.
- // Quorum adds an additional parameter to support private state dump
- func (api *PublicDebugAPI) DumpAddress(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (state.DumpAccount, error) {
- publicState, privateState, err := api.getStateDbsFromBlockNumber(ctx, blockNr)
- if err != nil {
- return state.DumpAccount{}, err
- }
- if accountDump, ok := privateState.DumpAddress(address); ok {
- return accountDump, nil
- }
- if accountDump, ok := publicState.DumpAddress(address); ok {
- return accountDump, nil
- }
- return state.DumpAccount{}, errors.New("error retrieving state")
- }
- //Taken from DumpBlock, as it was reused in DumpAddress.
- //Contains modifications from the original to return the private state db, as well as public.
- func (api *PublicDebugAPI) getStateDbsFromBlockNumber(ctx context.Context, blockNr rpc.BlockNumber) (*state.StateDB, *state.StateDB, error) {
- psm, err := api.eth.blockchain.PrivateStateManager().ResolveForUserContext(ctx)
- if err != nil {
- return nil, nil, err
- }
- if blockNr == rpc.PendingBlockNumber {
- // If we're dumping the pending state, we need to request
- // both the pending block as well as the pending state from
- // the miner and operate on those
- _, publicState, privateState := api.eth.miner.Pending(psm.ID)
- return publicState, privateState, nil
- }
- var block *types.Block
- if blockNr == rpc.LatestBlockNumber {
- block = api.eth.blockchain.CurrentBlock()
- } else {
- block = api.eth.blockchain.GetBlockByNumber(uint64(blockNr))
- }
- if block == nil {
- return nil, nil, fmt.Errorf("block #%d not found", blockNr)
- }
- return api.eth.BlockChain().StateAtPSI(block.Root(), psm.ID)
- }
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