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// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package eth
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import (
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"compress/gzip"
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"context"
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"errors"
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"fmt"
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"io"
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"math/big"
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"os"
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"runtime"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/internal/ethapi"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/trie"
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)
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// PublicEthereumAPI provides an API to access Ethereum full node-related
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// information.
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type PublicEthereumAPI struct {
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e *Ethereum
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}
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// NewPublicEthereumAPI creates a new Ethereum protocol API for full nodes.
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func NewPublicEthereumAPI(e *Ethereum) *PublicEthereumAPI {
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return &PublicEthereumAPI{e}
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}
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// Etherbase is the address that mining rewards will be send to
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func (api *PublicEthereumAPI) Etherbase() (common.Address, error) {
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return api.e.Etherbase()
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}
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// Coinbase is the address that mining rewards will be send to (alias for Etherbase)
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func (api *PublicEthereumAPI) Coinbase() (common.Address, error) {
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return api.Etherbase()
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}
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// Hashrate returns the POW hashrate
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func (api *PublicEthereumAPI) Hashrate() hexutil.Uint64 {
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return hexutil.Uint64(api.e.Miner().HashRate())
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}
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// ChainId is the EIP-155 replay-protection chain id for the current ethereum chain config.
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func (api *PublicEthereumAPI) ChainId() hexutil.Uint64 {
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chainID := new(big.Int)
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if config := api.e.blockchain.Config(); config.IsEIP155(api.e.blockchain.CurrentBlock().Number()) {
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chainID = config.ChainID
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}
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return (hexutil.Uint64)(chainID.Uint64())
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}
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// PublicMinerAPI provides an API to control the miner.
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// It offers only methods that operate on data that pose no security risk when it is publicly accessible.
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type PublicMinerAPI struct {
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e *Ethereum
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}
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// NewPublicMinerAPI create a new PublicMinerAPI instance.
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func NewPublicMinerAPI(e *Ethereum) *PublicMinerAPI {
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return &PublicMinerAPI{e}
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}
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// Mining returns an indication if this node is currently mining.
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func (api *PublicMinerAPI) Mining() bool {
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return api.e.IsMining()
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}
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// PrivateMinerAPI provides private RPC methods to control the miner.
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// These methods can be abused by external users and must be considered insecure for use by untrusted users.
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type PrivateMinerAPI struct {
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e *Ethereum
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}
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// NewPrivateMinerAPI create a new RPC service which controls the miner of this node.
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func NewPrivateMinerAPI(e *Ethereum) *PrivateMinerAPI {
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return &PrivateMinerAPI{e: e}
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}
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// Start starts the miner with the given number of threads. If threads is nil,
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// the number of workers started is equal to the number of logical CPUs that are
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// usable by this process. If mining is already running, this method adjust the
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// number of threads allowed to use and updates the minimum price required by the
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// transaction pool.
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func (api *PrivateMinerAPI) Start(threads *int) error {
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if threads == nil {
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return api.e.StartMining(runtime.NumCPU())
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}
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return api.e.StartMining(*threads)
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}
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// Stop terminates the miner, both at the consensus engine level as well as at
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// the block creation level.
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func (api *PrivateMinerAPI) Stop() {
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api.e.StopMining()
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}
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// SetExtra sets the extra data string that is included when this miner mines a block.
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func (api *PrivateMinerAPI) SetExtra(extra string) (bool, error) {
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if err := api.e.Miner().SetExtra([]byte(extra)); err != nil {
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return false, err
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}
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return true, nil
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}
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// SetGasPrice sets the minimum accepted gas price for the miner.
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func (api *PrivateMinerAPI) SetGasPrice(gasPrice hexutil.Big) bool {
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api.e.lock.Lock()
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api.e.gasPrice = (*big.Int)(&gasPrice)
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api.e.lock.Unlock()
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api.e.txPool.SetGasPrice((*big.Int)(&gasPrice))
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return true
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}
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// SetEtherbase sets the etherbase of the miner
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func (api *PrivateMinerAPI) SetEtherbase(etherbase common.Address) bool {
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api.e.SetEtherbase(etherbase)
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return true
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}
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// SetRecommitInterval updates the interval for miner sealing work recommitting.
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func (api *PrivateMinerAPI) SetRecommitInterval(interval int) {
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api.e.Miner().SetRecommitInterval(time.Duration(interval) * time.Millisecond)
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}
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// GetHashrate returns the current hashrate of the miner.
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func (api *PrivateMinerAPI) GetHashrate() uint64 {
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return api.e.miner.HashRate()
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}
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// PrivateAdminAPI is the collection of Ethereum full node-related APIs
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// exposed over the private admin endpoint.
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type PrivateAdminAPI struct {
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eth *Ethereum
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}
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// NewPrivateAdminAPI creates a new API definition for the full node private
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// admin methods of the Ethereum service.
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func NewPrivateAdminAPI(eth *Ethereum) *PrivateAdminAPI {
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return &PrivateAdminAPI{eth: eth}
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}
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// ExportChain exports the current blockchain into a local file.
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func (api *PrivateAdminAPI) ExportChain(file string) (bool, error) {
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// Make sure we can create the file to export into
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out, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
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if err != nil {
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return false, err
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}
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defer out.Close()
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var writer io.Writer = out
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if strings.HasSuffix(file, ".gz") {
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writer = gzip.NewWriter(writer)
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defer writer.(*gzip.Writer).Close()
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}
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// Export the blockchain
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if err := api.eth.BlockChain().Export(writer); err != nil {
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return false, err
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}
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return true, nil
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}
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func hasAllBlocks(chain *core.BlockChain, bs []*types.Block) bool {
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for _, b := range bs {
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if !chain.HasBlock(b.Hash(), b.NumberU64()) {
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return false
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}
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}
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return true
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}
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// ImportChain imports a blockchain from a local file.
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func (api *PrivateAdminAPI) ImportChain(file string) (bool, error) {
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// Make sure the can access the file to import
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in, err := os.Open(file)
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if err != nil {
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return false, err
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}
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defer in.Close()
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var reader io.Reader = in
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if strings.HasSuffix(file, ".gz") {
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if reader, err = gzip.NewReader(reader); err != nil {
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return false, err
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}
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}
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// Run actual the import in pre-configured batches
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stream := rlp.NewStream(reader, 0)
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blocks, index := make([]*types.Block, 0, 2500), 0
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for batch := 0; ; batch++ {
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// Load a batch of blocks from the input file
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for len(blocks) < cap(blocks) {
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block := new(types.Block)
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if err := stream.Decode(block); err == io.EOF {
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break
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} else if err != nil {
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return false, fmt.Errorf("block %d: failed to parse: %v", index, err)
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}
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blocks = append(blocks, block)
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index++
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}
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if len(blocks) == 0 {
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break
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}
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if hasAllBlocks(api.eth.BlockChain(), blocks) {
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blocks = blocks[:0]
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continue
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}
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// Import the batch and reset the buffer
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if _, err := api.eth.BlockChain().InsertChain(blocks); err != nil {
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return false, fmt.Errorf("batch %d: failed to insert: %v", batch, err)
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}
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blocks = blocks[:0]
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}
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return true, nil
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}
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// PublicDebugAPI is the collection of Ethereum full node APIs exposed
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// over the public debugging endpoint.
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type PublicDebugAPI struct {
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eth *Ethereum
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}
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// NewPublicDebugAPI creates a new API definition for the full node-
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// related public debug methods of the Ethereum service.
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func NewPublicDebugAPI(eth *Ethereum) *PublicDebugAPI {
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return &PublicDebugAPI{eth: eth}
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}
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// DumpBlock retrieves the entire state of the database at a given block.
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func (api *PublicDebugAPI) DumpBlock(blockNr rpc.BlockNumber) (state.Dump, error) {
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if blockNr == rpc.PendingBlockNumber {
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// If we're dumping the pending state, we need to request
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// both the pending block as well as the pending state from
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// the miner and operate on those
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_, stateDb := api.eth.miner.Pending()
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return stateDb.RawDump(false, false, true), nil
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}
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var block *types.Block
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if blockNr == rpc.LatestBlockNumber {
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block = api.eth.blockchain.CurrentBlock()
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} else {
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block = api.eth.blockchain.GetBlockByNumber(uint64(blockNr))
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}
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if block == nil {
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return state.Dump{}, fmt.Errorf("block #%d not found", blockNr)
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}
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stateDb, err := api.eth.BlockChain().StateAt(block.Root())
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if err != nil {
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return state.Dump{}, err
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}
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return stateDb.RawDump(false, false, true), nil
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}
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// PrivateDebugAPI is the collection of Ethereum full node APIs exposed over
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// the private debugging endpoint.
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type PrivateDebugAPI struct {
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eth *Ethereum
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}
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// NewPrivateDebugAPI creates a new API definition for the full node-related
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// private debug methods of the Ethereum service.
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func NewPrivateDebugAPI(eth *Ethereum) *PrivateDebugAPI {
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return &PrivateDebugAPI{eth: eth}
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}
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// Preimage is a debug API function that returns the preimage for a sha3 hash, if known.
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func (api *PrivateDebugAPI) Preimage(ctx context.Context, hash common.Hash) (hexutil.Bytes, error) {
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if preimage := rawdb.ReadPreimage(api.eth.ChainDb(), hash); preimage != nil {
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return preimage, nil
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}
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return nil, errors.New("unknown preimage")
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}
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// BadBlockArgs represents the entries in the list returned when bad blocks are queried.
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type BadBlockArgs struct {
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Hash common.Hash `json:"hash"`
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Block map[string]interface{} `json:"block"`
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RLP string `json:"rlp"`
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}
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// GetBadBlocks returns a list of the last 'bad blocks' that the client has seen on the network
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// and returns them as a JSON list of block-hashes
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func (api *PrivateDebugAPI) GetBadBlocks(ctx context.Context) ([]*BadBlockArgs, error) {
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blocks := api.eth.BlockChain().BadBlocks()
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results := make([]*BadBlockArgs, len(blocks))
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var err error
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for i, block := range blocks {
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results[i] = &BadBlockArgs{
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Hash: block.Hash(),
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}
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if rlpBytes, err := rlp.EncodeToBytes(block); err != nil {
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results[i].RLP = err.Error() // Hacky, but hey, it works
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} else {
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results[i].RLP = fmt.Sprintf("0x%x", rlpBytes)
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}
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if results[i].Block, err = ethapi.RPCMarshalBlock(block, true, true); err != nil {
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results[i].Block = map[string]interface{}{"error": err.Error()}
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}
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}
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return results, nil
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}
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// StorageRangeResult is the result of a debug_storageRangeAt API call.
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type StorageRangeResult struct {
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Storage storageMap `json:"storage"`
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NextKey *common.Hash `json:"nextKey"` // nil if Storage includes the last key in the trie.
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}
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type storageMap map[common.Hash]storageEntry
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type storageEntry struct {
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Key *common.Hash `json:"key"`
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Value common.Hash `json:"value"`
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}
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// StorageRangeAt returns the storage at the given block height and transaction index.
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func (api *PrivateDebugAPI) StorageRangeAt(ctx context.Context, blockHash common.Hash, txIndex int, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error) {
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cmd, core, eth/tracers: support fancier js tracing (#15516)
* cmd, core, eth/tracers: support fancier js tracing
* eth, internal/web3ext: rework trace API, concurrency, chain tracing
* eth/tracers: add three more JavaScript tracers
* eth/tracers, vendor: swap ottovm to duktape for tracing
* core, eth, internal: finalize call tracer and needed extras
* eth, tests: prestate tracer, call test suite, rewinding
* vendor: fix windows builds for tracer js engine
* vendor: temporary duktape fix
* eth/tracers: fix up 4byte and evmdis tracer
* vendor: pull in latest duktape with my upstream fixes
* eth: fix some review comments
* eth: rename rewind to reexec to make it more obvious
* core/vm: terminate tracing using defers
7 years ago
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_, _, statedb, err := api.computeTxEnv(blockHash, txIndex, 0)
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if err != nil {
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return StorageRangeResult{}, err
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}
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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
|
|
|
|
}
|