diff --git a/eth/api.go b/eth/api.go index 00ad48fbfc..aa603d6fd9 100644 --- a/eth/api.go +++ b/eth/api.go @@ -17,27 +17,8 @@ package eth import ( - "compress/gzip" - "context" - "errors" - "fmt" - "io" - "math/big" - "os" - "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/log" - "github.com/ethereum/go-ethereum/rlp" - "github.com/ethereum/go-ethereum/rpc" - "github.com/ethereum/go-ethereum/trie" ) // EthereumAPI provides an API to access Ethereum full node-related information. @@ -69,542 +50,3 @@ func (api *EthereumAPI) Hashrate() hexutil.Uint64 { func (api *EthereumAPI) Mining() bool { return api.e.IsMining() } - -// MinerAPI provides an API to control the miner. -type MinerAPI struct { - e *Ethereum -} - -// NewMinerAPI create a new MinerAPI instance. -func NewMinerAPI(e *Ethereum) *MinerAPI { - return &MinerAPI{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 *MinerAPI) Start() error { - return api.e.StartMining() -} - -// Stop terminates the miner, both at the consensus engine level as well as at -// the block creation level. -func (api *MinerAPI) Stop() { - api.e.StopMining() -} - -// SetExtra sets the extra data string that is included when this miner mines a block. -func (api *MinerAPI) 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 *MinerAPI) 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 -} - -// SetGasLimit sets the gaslimit to target towards during mining. -func (api *MinerAPI) SetGasLimit(gasLimit hexutil.Uint64) bool { - api.e.Miner().SetGasCeil(uint64(gasLimit)) - return true -} - -// SetEtherbase sets the etherbase of the miner. -func (api *MinerAPI) SetEtherbase(etherbase common.Address) bool { - api.e.SetEtherbase(etherbase) - return true -} - -// SetRecommitInterval updates the interval for miner sealing work recommitting. -func (api *MinerAPI) SetRecommitInterval(interval int) { - api.e.Miner().SetRecommitInterval(time.Duration(interval) * time.Millisecond) -} - -// AdminAPI is the collection of Ethereum full node related APIs for node -// administration. -type AdminAPI struct { - eth *Ethereum -} - -// NewAdminAPI creates a new instance of AdminAPI. -func NewAdminAPI(eth *Ethereum) *AdminAPI { - return &AdminAPI{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 *AdminAPI) 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 vector, - // 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, 0644) - 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 *AdminAPI) 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 -} - -// DebugAPI is the collection of Ethereum full node APIs for debugging the -// protocol. -type DebugAPI struct { - eth *Ethereum -} - -// NewDebugAPI creates a new DebugAPI instance. -func NewDebugAPI(eth *Ethereum) *DebugAPI { - return &DebugAPI{eth: eth} -} - -// DumpBlock retrieves the entire state of the database at a given block. -func (api *DebugAPI) DumpBlock(blockNr rpc.BlockNumber) (state.Dump, error) { - opts := &state.DumpConfig{ - OnlyWithAddresses: true, - Max: AccountRangeMaxResults, // Sanity limit over RPC - } - 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 - _, stateDb := api.eth.miner.Pending() - return stateDb.RawDump(opts), nil - } - var header *types.Header - if blockNr == rpc.LatestBlockNumber { - header = api.eth.blockchain.CurrentBlock() - } else if blockNr == rpc.FinalizedBlockNumber { - header = api.eth.blockchain.CurrentFinalBlock() - } else if blockNr == rpc.SafeBlockNumber { - header = api.eth.blockchain.CurrentSafeBlock() - } else { - block := api.eth.blockchain.GetBlockByNumber(uint64(blockNr)) - if block == nil { - return state.Dump{}, fmt.Errorf("block #%d not found", blockNr) - } - header = block.Header() - } - if header == nil { - return state.Dump{}, fmt.Errorf("block #%d not found", blockNr) - } - stateDb, err := api.eth.BlockChain().StateAt(header.Root) - if err != nil { - return state.Dump{}, err - } - return stateDb.RawDump(opts), nil -} - -// Preimage is a debug API function that returns the preimage for a sha3 hash, if known. -func (api *DebugAPI) 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 *DebugAPI) 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("%#x", rlpBytes) - } - if blockJSON, err = ethapi.RPCMarshalBlock(block, true, true, api.eth.APIBackend.ChainConfig()); 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 *DebugAPI) AccountRange(blockNrOrHash rpc.BlockNumberOrHash, start hexutil.Bytes, maxResults int, nocode, nostorage, incompletes bool) (state.IteratorDump, error) { - var stateDb *state.StateDB - var err error - - 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() - } else { - var header *types.Header - if number == rpc.LatestBlockNumber { - header = api.eth.blockchain.CurrentBlock() - } else if number == rpc.FinalizedBlockNumber { - header = api.eth.blockchain.CurrentFinalBlock() - } else if number == rpc.SafeBlockNumber { - header = api.eth.blockchain.CurrentSafeBlock() - } else { - block := api.eth.blockchain.GetBlockByNumber(uint64(number)) - if block == nil { - return state.IteratorDump{}, fmt.Errorf("block #%d not found", number) - } - header = block.Header() - } - if header == nil { - return state.IteratorDump{}, fmt.Errorf("block #%d not found", number) - } - stateDb, err = api.eth.BlockChain().StateAt(header.Root) - 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().StateAt(block.Root()) - if err != nil { - return state.IteratorDump{}, err - } - } else { - return state.IteratorDump{}, errors.New("either block number or block hash must be specified") - } - - opts := &state.DumpConfig{ - SkipCode: nocode, - SkipStorage: nostorage, - OnlyWithAddresses: !incompletes, - Start: start, - Max: uint64(maxResults), - } - if maxResults > AccountRangeMaxResults || maxResults <= 0 { - opts.Max = AccountRangeMaxResults - } - return stateDb.IteratorDump(opts), 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 *DebugAPI) 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, release, err := api.eth.stateAtTransaction(ctx, block, txIndex, 0) - if err != nil { - return StorageRangeResult{}, err - } - defer release() - - st, err := statedb.StorageTrie(contractAddress) - if err != nil { - return StorageRangeResult{}, err - } - 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 *DebugAPI) 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 *DebugAPI) 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 *DebugAPI) 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.NewStateTrie(trie.StateTrieID(startBlock.Root()), triedb) - if err != nil { - return nil, err - } - newTrie, err := trie.NewStateTrie(trie.StateTrieID(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 -} - -// GetAccessibleState returns the first number where the node has accessible -// state on disk. Note this being the post-state of that block and the pre-state -// of the next block. -// The (from, to) parameters are the sequence of blocks to search, which can go -// either forwards or backwards -func (api *DebugAPI) GetAccessibleState(from, to rpc.BlockNumber) (uint64, error) { - db := api.eth.ChainDb() - var pivot uint64 - if p := rawdb.ReadLastPivotNumber(db); p != nil { - pivot = *p - log.Info("Found fast-sync pivot marker", "number", pivot) - } - var resolveNum = func(num rpc.BlockNumber) (uint64, error) { - // We don't have state for pending (-2), so treat it as latest - if num.Int64() < 0 { - block := api.eth.blockchain.CurrentBlock() - if block == nil { - return 0, errors.New("current block missing") - } - return block.Number.Uint64(), nil - } - return uint64(num.Int64()), nil - } - var ( - start uint64 - end uint64 - delta = int64(1) - lastLog time.Time - err error - ) - if start, err = resolveNum(from); err != nil { - return 0, err - } - if end, err = resolveNum(to); err != nil { - return 0, err - } - if start == end { - return 0, errors.New("from and to needs to be different") - } - if start > end { - delta = -1 - } - for i := int64(start); i != int64(end); i += delta { - if time.Since(lastLog) > 8*time.Second { - log.Info("Finding roots", "from", start, "to", end, "at", i) - lastLog = time.Now() - } - if i < int64(pivot) { - continue - } - h := api.eth.BlockChain().GetHeaderByNumber(uint64(i)) - if h == nil { - return 0, fmt.Errorf("missing header %d", i) - } - if ok, _ := api.eth.ChainDb().Has(h.Root[:]); ok { - return uint64(i), nil - } - } - return 0, errors.New("no state found") -} - -// SetTrieFlushInterval configures how often in-memory tries are persisted -// to disk. The value is in terms of block processing time, not wall clock. -func (api *DebugAPI) SetTrieFlushInterval(interval string) error { - t, err := time.ParseDuration(interval) - if err != nil { - return err - } - api.eth.blockchain.SetTrieFlushInterval(t) - return nil -} diff --git a/eth/api_admin.go b/eth/api_admin.go new file mode 100644 index 0000000000..88d8f5a14d --- /dev/null +++ b/eth/api_admin.go @@ -0,0 +1,139 @@ +// Copyright 2023 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 . + +package eth + +import ( + "compress/gzip" + "errors" + "fmt" + "io" + "os" + "strings" + + "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/rlp" +) + +// AdminAPI is the collection of Ethereum full node related APIs for node +// administration. +type AdminAPI struct { + eth *Ethereum +} + +// NewAdminAPI creates a new instance of AdminAPI. +func NewAdminAPI(eth *Ethereum) *AdminAPI { + return &AdminAPI{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 *AdminAPI) 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 vector, + // 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, 0644) + 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 *AdminAPI) 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 +} diff --git a/eth/api_backend.go b/eth/api_backend.go index 1789f106e9..c9ad4311e7 100644 --- a/eth/api_backend.go +++ b/eth/api_backend.go @@ -42,7 +42,7 @@ import ( "github.com/ethereum/go-ethereum/rpc" ) -// EthAPIBackend implements ethapi.Backend for full nodes +// EthAPIBackend implements ethapi.Backend and tracers.Backend for full nodes type EthAPIBackend struct { extRPCEnabled bool allowUnprotectedTxs bool diff --git a/eth/api_debug.go b/eth/api_debug.go new file mode 100644 index 0000000000..fbc48e3496 --- /dev/null +++ b/eth/api_debug.go @@ -0,0 +1,405 @@ +// Copyright 2023 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 . + +package eth + +import ( + "context" + "errors" + "fmt" + "time" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/hexutil" + "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/log" + "github.com/ethereum/go-ethereum/rlp" + "github.com/ethereum/go-ethereum/rpc" + "github.com/ethereum/go-ethereum/trie" +) + +// DebugAPI is the collection of Ethereum full node APIs for debugging the +// protocol. +type DebugAPI struct { + eth *Ethereum +} + +// NewDebugAPI creates a new DebugAPI instance. +func NewDebugAPI(eth *Ethereum) *DebugAPI { + return &DebugAPI{eth: eth} +} + +// DumpBlock retrieves the entire state of the database at a given block. +func (api *DebugAPI) DumpBlock(blockNr rpc.BlockNumber) (state.Dump, error) { + opts := &state.DumpConfig{ + OnlyWithAddresses: true, + Max: AccountRangeMaxResults, // Sanity limit over RPC + } + 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 + _, stateDb := api.eth.miner.Pending() + return stateDb.RawDump(opts), nil + } + var header *types.Header + if blockNr == rpc.LatestBlockNumber { + header = api.eth.blockchain.CurrentBlock() + } else if blockNr == rpc.FinalizedBlockNumber { + header = api.eth.blockchain.CurrentFinalBlock() + } else if blockNr == rpc.SafeBlockNumber { + header = api.eth.blockchain.CurrentSafeBlock() + } else { + block := api.eth.blockchain.GetBlockByNumber(uint64(blockNr)) + if block == nil { + return state.Dump{}, fmt.Errorf("block #%d not found", blockNr) + } + header = block.Header() + } + if header == nil { + return state.Dump{}, fmt.Errorf("block #%d not found", blockNr) + } + stateDb, err := api.eth.BlockChain().StateAt(header.Root) + if err != nil { + return state.Dump{}, err + } + return stateDb.RawDump(opts), nil +} + +// Preimage is a debug API function that returns the preimage for a sha3 hash, if known. +func (api *DebugAPI) 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 *DebugAPI) 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("%#x", rlpBytes) + } + if blockJSON, err = ethapi.RPCMarshalBlock(block, true, true, api.eth.APIBackend.ChainConfig()); 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 *DebugAPI) AccountRange(blockNrOrHash rpc.BlockNumberOrHash, start hexutil.Bytes, maxResults int, nocode, nostorage, incompletes bool) (state.IteratorDump, error) { + var stateDb *state.StateDB + var err error + + 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() + } else { + var header *types.Header + if number == rpc.LatestBlockNumber { + header = api.eth.blockchain.CurrentBlock() + } else if number == rpc.FinalizedBlockNumber { + header = api.eth.blockchain.CurrentFinalBlock() + } else if number == rpc.SafeBlockNumber { + header = api.eth.blockchain.CurrentSafeBlock() + } else { + block := api.eth.blockchain.GetBlockByNumber(uint64(number)) + if block == nil { + return state.IteratorDump{}, fmt.Errorf("block #%d not found", number) + } + header = block.Header() + } + if header == nil { + return state.IteratorDump{}, fmt.Errorf("block #%d not found", number) + } + stateDb, err = api.eth.BlockChain().StateAt(header.Root) + 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().StateAt(block.Root()) + if err != nil { + return state.IteratorDump{}, err + } + } else { + return state.IteratorDump{}, errors.New("either block number or block hash must be specified") + } + + opts := &state.DumpConfig{ + SkipCode: nocode, + SkipStorage: nostorage, + OnlyWithAddresses: !incompletes, + Start: start, + Max: uint64(maxResults), + } + if maxResults > AccountRangeMaxResults || maxResults <= 0 { + opts.Max = AccountRangeMaxResults + } + return stateDb.IteratorDump(opts), 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 *DebugAPI) 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, release, err := api.eth.stateAtTransaction(ctx, block, txIndex, 0) + if err != nil { + return StorageRangeResult{}, err + } + defer release() + + st, err := statedb.StorageTrie(contractAddress) + if err != nil { + return StorageRangeResult{}, err + } + 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 *DebugAPI) 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 *DebugAPI) 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 *DebugAPI) 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.NewStateTrie(trie.StateTrieID(startBlock.Root()), triedb) + if err != nil { + return nil, err + } + newTrie, err := trie.NewStateTrie(trie.StateTrieID(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 +} + +// GetAccessibleState returns the first number where the node has accessible +// state on disk. Note this being the post-state of that block and the pre-state +// of the next block. +// The (from, to) parameters are the sequence of blocks to search, which can go +// either forwards or backwards +func (api *DebugAPI) GetAccessibleState(from, to rpc.BlockNumber) (uint64, error) { + db := api.eth.ChainDb() + var pivot uint64 + if p := rawdb.ReadLastPivotNumber(db); p != nil { + pivot = *p + log.Info("Found fast-sync pivot marker", "number", pivot) + } + var resolveNum = func(num rpc.BlockNumber) (uint64, error) { + // We don't have state for pending (-2), so treat it as latest + if num.Int64() < 0 { + block := api.eth.blockchain.CurrentBlock() + if block == nil { + return 0, errors.New("current block missing") + } + return block.Number.Uint64(), nil + } + return uint64(num.Int64()), nil + } + var ( + start uint64 + end uint64 + delta = int64(1) + lastLog time.Time + err error + ) + if start, err = resolveNum(from); err != nil { + return 0, err + } + if end, err = resolveNum(to); err != nil { + return 0, err + } + if start == end { + return 0, errors.New("from and to needs to be different") + } + if start > end { + delta = -1 + } + for i := int64(start); i != int64(end); i += delta { + if time.Since(lastLog) > 8*time.Second { + log.Info("Finding roots", "from", start, "to", end, "at", i) + lastLog = time.Now() + } + if i < int64(pivot) { + continue + } + h := api.eth.BlockChain().GetHeaderByNumber(uint64(i)) + if h == nil { + return 0, fmt.Errorf("missing header %d", i) + } + if ok, _ := api.eth.ChainDb().Has(h.Root[:]); ok { + return uint64(i), nil + } + } + return 0, errors.New("no state found") +} + +// SetTrieFlushInterval configures how often in-memory tries are persisted +// to disk. The value is in terms of block processing time, not wall clock. +func (api *DebugAPI) SetTrieFlushInterval(interval string) error { + t, err := time.ParseDuration(interval) + if err != nil { + return err + } + api.eth.blockchain.SetTrieFlushInterval(t) + return nil +} diff --git a/eth/api_test.go b/eth/api_debug_test.go similarity index 100% rename from eth/api_test.go rename to eth/api_debug_test.go diff --git a/eth/api_miner.go b/eth/api_miner.go new file mode 100644 index 0000000000..cd0c1e5c0c --- /dev/null +++ b/eth/api_miner.go @@ -0,0 +1,85 @@ +// Copyright 2023 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 . + +package eth + +import ( + "math/big" + "time" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/hexutil" +) + +// MinerAPI provides an API to control the miner. +type MinerAPI struct { + e *Ethereum +} + +// NewMinerAPI create a new MinerAPI instance. +func NewMinerAPI(e *Ethereum) *MinerAPI { + return &MinerAPI{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 *MinerAPI) Start() error { + return api.e.StartMining() +} + +// Stop terminates the miner, both at the consensus engine level as well as at +// the block creation level. +func (api *MinerAPI) Stop() { + api.e.StopMining() +} + +// SetExtra sets the extra data string that is included when this miner mines a block. +func (api *MinerAPI) 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 *MinerAPI) 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 +} + +// SetGasLimit sets the gaslimit to target towards during mining. +func (api *MinerAPI) SetGasLimit(gasLimit hexutil.Uint64) bool { + api.e.Miner().SetGasCeil(uint64(gasLimit)) + return true +} + +// SetEtherbase sets the etherbase of the miner. +func (api *MinerAPI) SetEtherbase(etherbase common.Address) bool { + api.e.SetEtherbase(etherbase) + return true +} + +// SetRecommitInterval updates the interval for miner sealing work recommitting. +func (api *MinerAPI) SetRecommitInterval(interval int) { + api.e.Miner().SetRecommitInterval(time.Duration(interval) * time.Millisecond) +}