2015-10-15 14:07:19 +00:00
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// Copyright 2015 The go-ethereum Authors
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2016-04-14 16:18:24 +00:00
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// This file is part of the go-ethereum library.
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2015-10-15 14:07:19 +00:00
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//
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2016-04-14 16:18:24 +00:00
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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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2015-10-15 14:07:19 +00:00
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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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2016-04-14 16:18:24 +00:00
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// The go-ethereum library is distributed in the hope that it will be useful,
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2015-10-15 14:07:19 +00:00
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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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2016-04-14 16:18:24 +00:00
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// GNU Lesser General Public License for more details.
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2015-10-15 14:07:19 +00:00
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//
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2016-04-14 16:18:24 +00:00
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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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2015-10-15 14:07:19 +00:00
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package eth
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import (
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"bytes"
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2016-04-25 17:23:40 +00:00
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"encoding/hex"
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2015-10-15 14:07:19 +00:00
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"encoding/json"
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"errors"
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"fmt"
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2015-12-04 18:56:11 +00:00
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"io"
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2016-02-03 22:47:58 +00:00
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"io/ioutil"
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2015-10-15 14:07:19 +00:00
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"math/big"
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2015-12-04 18:56:11 +00:00
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"os"
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2016-03-14 08:38:54 +00:00
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"runtime"
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2016-02-20 13:36:34 +00:00
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"strings"
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2015-10-15 14:07:19 +00:00
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"sync"
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"time"
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"github.com/ethereum/ethash"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/compiler"
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"github.com/ethereum/go-ethereum/core"
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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/core/vm"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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2015-12-16 09:58:01 +00:00
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"github.com/ethereum/go-ethereum/miner"
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"github.com/ethereum/go-ethereum/p2p"
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2015-10-15 14:07:19 +00:00
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"github.com/ethereum/go-ethereum/rlp"
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2015-12-16 09:58:01 +00:00
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"github.com/ethereum/go-ethereum/rpc"
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2016-02-20 13:36:34 +00:00
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"github.com/syndtr/goleveldb/leveldb"
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2016-03-03 00:09:16 +00:00
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"golang.org/x/net/context"
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2015-10-15 14:07:19 +00:00
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)
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2016-04-28 09:00:11 +00:00
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// errNoCode is returned by call and transact operations for which the requested
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2016-04-27 13:29:13 +00:00
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// recipient contract to operate on does not exist in the state db or does not
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// have any code associated with it (i.e. suicided).
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//
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// Please note, this error string is part of the RPC API and is expected by the
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// native contract bindings to signal this particular error. Do not change this
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// as it will break all dependent code!
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var errNoCode = errors.New("no contract code at given address")
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2016-04-27 13:29:13 +00:00
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2016-02-10 12:20:03 +00:00
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const defaultGas = uint64(90000)
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2015-10-15 14:07:19 +00:00
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2016-01-27 16:01:30 +00:00
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// blockByNumber is a commonly used helper function which retrieves and returns
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// the block for the given block number, capable of handling two special blocks:
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2016-03-15 18:27:49 +00:00
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// rpc.LatestBlockNumber and rpc.PendingBlockNumber. It returns nil when no block
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// could be found.
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2015-12-16 09:58:01 +00:00
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func blockByNumber(m *miner.Miner, bc *core.BlockChain, blockNr rpc.BlockNumber) *types.Block {
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// Pending block is only known by the miner
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2015-12-16 09:58:01 +00:00
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if blockNr == rpc.PendingBlockNumber {
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2016-03-16 09:20:02 +00:00
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block, _ := m.Pending()
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return block
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2015-12-16 09:58:01 +00:00
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}
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// Otherwise resolve and return the block
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2015-12-16 09:58:01 +00:00
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if blockNr == rpc.LatestBlockNumber {
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return bc.CurrentBlock()
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}
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return bc.GetBlockByNumber(uint64(blockNr))
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}
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2016-01-27 16:01:30 +00:00
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// stateAndBlockByNumber is a commonly used helper function which retrieves and
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// returns the state and containing block for the given block number, capable of
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// handling two special states: rpc.LatestBlockNumber and rpc.PendingBlockNumber.
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2016-01-27 16:01:30 +00:00
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// It returns nil when no block or state could be found.
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func stateAndBlockByNumber(m *miner.Miner, bc *core.BlockChain, blockNr rpc.BlockNumber, chainDb ethdb.Database) (*state.StateDB, *types.Block, error) {
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// Pending state is only known by the miner
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if blockNr == rpc.PendingBlockNumber {
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2016-03-16 09:20:02 +00:00
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block, state := m.Pending()
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return state, block, nil
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2016-01-27 16:01:30 +00:00
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}
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// Otherwise resolve the block number and return its state
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block := blockByNumber(m, bc, blockNr)
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if block == nil {
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return nil, nil, nil
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}
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stateDb, err := state.New(block.Root(), chainDb)
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return stateDb, block, err
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}
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2015-10-15 14:07:19 +00:00
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// PublicEthereumAPI provides an API to access Ethereum related information.
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// It offers only methods that operate on public data that is freely available to anyone.
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type PublicEthereumAPI struct {
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e *Ethereum
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gpo *GasPriceOracle
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}
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2016-03-15 18:27:49 +00:00
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// NewPublicEthereumAPI creates a new Ethereum protocol API.
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func NewPublicEthereumAPI(e *Ethereum) *PublicEthereumAPI {
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return &PublicEthereumAPI{
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e: e,
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gpo: e.gpo,
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}
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}
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// GasPrice returns a suggestion for a gas price.
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func (s *PublicEthereumAPI) GasPrice() *big.Int {
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return s.gpo.SuggestPrice()
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}
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// GetCompilers returns the collection of available smart contract compilers
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func (s *PublicEthereumAPI) GetCompilers() ([]string, error) {
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solc, err := s.e.Solc()
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if err != nil && solc != nil {
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return []string{"Solidity"}, nil
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}
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return []string{}, nil
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}
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// CompileSolidity compiles the given solidity source
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func (s *PublicEthereumAPI) CompileSolidity(source string) (map[string]*compiler.Contract, error) {
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solc, err := s.e.Solc()
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if err != nil {
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return nil, err
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}
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if solc == nil {
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return nil, errors.New("solc (solidity compiler) not found")
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}
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return solc.Compile(source)
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}
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// Etherbase is the address that mining rewards will be send to
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func (s *PublicEthereumAPI) Etherbase() (common.Address, error) {
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return s.e.Etherbase()
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}
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// see Etherbase
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func (s *PublicEthereumAPI) Coinbase() (common.Address, error) {
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return s.Etherbase()
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}
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// ProtocolVersion returns the current Ethereum protocol version this node supports
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func (s *PublicEthereumAPI) ProtocolVersion() *rpc.HexNumber {
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return rpc.NewHexNumber(s.e.EthVersion())
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}
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// Hashrate returns the POW hashrate
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func (s *PublicEthereumAPI) Hashrate() *rpc.HexNumber {
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return rpc.NewHexNumber(s.e.Miner().HashRate())
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}
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2016-03-15 18:27:49 +00:00
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// Syncing returns false in case the node is currently not syncing with the network. It can be up to date or has not
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// yet received the latest block headers from its pears. In case it is synchronizing:
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// - startingBlock: block number this node started to synchronise from
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// - currentBlock: block number this node is currently importing
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// - highestBlock: block number of the highest block header this node has received from peers
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// - pulledStates: number of state entries processed until now
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// - knownStates: number of known state entries that still need to be pulled
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2015-10-15 14:07:19 +00:00
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func (s *PublicEthereumAPI) Syncing() (interface{}, error) {
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2016-02-10 09:56:15 +00:00
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origin, current, height, pulled, known := s.e.Downloader().Progress()
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// Return not syncing if the synchronisation already completed
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if current >= height {
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return false, nil
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}
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2016-02-10 09:56:15 +00:00
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// Otherwise gather the block sync stats
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return map[string]interface{}{
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"startingBlock": rpc.NewHexNumber(origin),
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"currentBlock": rpc.NewHexNumber(current),
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"highestBlock": rpc.NewHexNumber(height),
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"pulledStates": rpc.NewHexNumber(pulled),
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"knownStates": rpc.NewHexNumber(known),
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}, nil
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2015-10-15 14:07:19 +00:00
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}
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2016-02-09 14:03:04 +00:00
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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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agent *miner.RemoteAgent
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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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agent := miner.NewRemoteAgent()
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e.Miner().Register(agent)
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return &PublicMinerAPI{e, agent}
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}
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// Mining returns an indication if this node is currently mining.
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func (s *PublicMinerAPI) Mining() bool {
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return s.e.IsMining()
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}
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// SubmitWork can be used by external miner to submit their POW solution. It returns an indication if the work was
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// accepted. Note, this is not an indication if the provided work was valid!
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func (s *PublicMinerAPI) SubmitWork(nonce rpc.HexNumber, solution, digest common.Hash) bool {
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return s.agent.SubmitWork(nonce.Uint64(), digest, solution)
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}
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// GetWork returns a work package for external miner. The work package consists of 3 strings
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// result[0], 32 bytes hex encoded current block header pow-hash
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// result[1], 32 bytes hex encoded seed hash used for DAG
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// result[2], 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
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func (s *PublicMinerAPI) GetWork() ([]string, error) {
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if !s.e.IsMining() {
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if err := s.e.StartMining(0, ""); err != nil {
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return nil, err
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}
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}
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if work, err := s.agent.GetWork(); err == nil {
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return work[:], nil
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} else {
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glog.Infof("%v\n", err)
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}
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return nil, fmt.Errorf("mining not ready")
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}
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// SubmitHashrate can be used for remote miners to submit their hash rate. This enables the node to report the combined
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// hash rate of all miners which submit work through this node. It accepts the miner hash rate and an identifier which
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// must be unique between nodes.
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func (s *PublicMinerAPI) SubmitHashrate(hashrate rpc.HexNumber, id common.Hash) bool {
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s.agent.SubmitHashrate(id, hashrate.Uint64())
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return true
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}
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2015-10-15 14:07:19 +00:00
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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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2016-03-14 08:38:54 +00:00
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// Start the miner with the given number of threads. If threads is nil the number of
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// workers started is equal to the number of logical CPU's that are usable by this process.
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func (s *PrivateMinerAPI) Start(threads *rpc.HexNumber) (bool, error) {
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2015-10-15 14:07:19 +00:00
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s.e.StartAutoDAG()
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2016-03-14 08:38:54 +00:00
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if threads == nil {
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threads = rpc.NewHexNumber(runtime.NumCPU())
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}
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2015-10-15 14:07:19 +00:00
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err := s.e.StartMining(threads.Int(), "")
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if err == nil {
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return true, nil
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}
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return false, err
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}
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// Stop the miner
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func (s *PrivateMinerAPI) Stop() bool {
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s.e.StopMining()
|
|
|
|
|
return true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// SetExtra sets the extra data string that is included when this miner mines a block.
|
|
|
|
|
func (s *PrivateMinerAPI) SetExtra(extra string) (bool, error) {
|
|
|
|
|
if err := s.e.Miner().SetExtra([]byte(extra)); err != nil {
|
|
|
|
|
return false, err
|
|
|
|
|
}
|
|
|
|
|
return true, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// SetGasPrice sets the minimum accepted gas price for the miner.
|
2016-03-14 08:38:54 +00:00
|
|
|
|
func (s *PrivateMinerAPI) SetGasPrice(gasPrice rpc.HexNumber) bool {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
s.e.Miner().SetGasPrice(gasPrice.BigInt())
|
|
|
|
|
return true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// SetEtherbase sets the etherbase of the miner
|
|
|
|
|
func (s *PrivateMinerAPI) SetEtherbase(etherbase common.Address) bool {
|
|
|
|
|
s.e.SetEtherbase(etherbase)
|
|
|
|
|
return true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// StartAutoDAG starts auto DAG generation. This will prevent the DAG generating on epoch change
|
|
|
|
|
// which will cause the node to stop mining during the generation process.
|
|
|
|
|
func (s *PrivateMinerAPI) StartAutoDAG() bool {
|
|
|
|
|
s.e.StartAutoDAG()
|
|
|
|
|
return true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// StopAutoDAG stops auto DAG generation
|
|
|
|
|
func (s *PrivateMinerAPI) StopAutoDAG() bool {
|
|
|
|
|
s.e.StopAutoDAG()
|
|
|
|
|
return true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// MakeDAG creates the new DAG for the given block number
|
|
|
|
|
func (s *PrivateMinerAPI) MakeDAG(blockNr rpc.BlockNumber) (bool, error) {
|
|
|
|
|
if err := ethash.MakeDAG(uint64(blockNr.Int64()), ""); err != nil {
|
|
|
|
|
return false, err
|
|
|
|
|
}
|
|
|
|
|
return true, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// PublicTxPoolAPI offers and API for the transaction pool. It only operates on data that is non confidential.
|
|
|
|
|
type PublicTxPoolAPI struct {
|
|
|
|
|
e *Ethereum
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewPublicTxPoolAPI creates a new tx pool service that gives information about the transaction pool.
|
|
|
|
|
func NewPublicTxPoolAPI(e *Ethereum) *PublicTxPoolAPI {
|
|
|
|
|
return &PublicTxPoolAPI{e}
|
|
|
|
|
}
|
|
|
|
|
|
2015-12-30 11:32:15 +00:00
|
|
|
|
// Content returns the transactions contained within the transaction pool.
|
|
|
|
|
func (s *PublicTxPoolAPI) Content() map[string]map[string]map[string][]*RPCTransaction {
|
|
|
|
|
content := map[string]map[string]map[string][]*RPCTransaction{
|
|
|
|
|
"pending": make(map[string]map[string][]*RPCTransaction),
|
|
|
|
|
"queued": make(map[string]map[string][]*RPCTransaction),
|
|
|
|
|
}
|
|
|
|
|
pending, queue := s.e.TxPool().Content()
|
|
|
|
|
|
|
|
|
|
// Flatten the pending transactions
|
|
|
|
|
for account, batches := range pending {
|
|
|
|
|
dump := make(map[string][]*RPCTransaction)
|
|
|
|
|
for nonce, txs := range batches {
|
|
|
|
|
nonce := fmt.Sprintf("%d", nonce)
|
|
|
|
|
for _, tx := range txs {
|
|
|
|
|
dump[nonce] = append(dump[nonce], newRPCPendingTransaction(tx))
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
content["pending"][account.Hex()] = dump
|
|
|
|
|
}
|
|
|
|
|
// Flatten the queued transactions
|
|
|
|
|
for account, batches := range queue {
|
|
|
|
|
dump := make(map[string][]*RPCTransaction)
|
|
|
|
|
for nonce, txs := range batches {
|
|
|
|
|
nonce := fmt.Sprintf("%d", nonce)
|
|
|
|
|
for _, tx := range txs {
|
|
|
|
|
dump[nonce] = append(dump[nonce], newRPCPendingTransaction(tx))
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
content["queued"][account.Hex()] = dump
|
|
|
|
|
}
|
|
|
|
|
return content
|
|
|
|
|
}
|
|
|
|
|
|
2015-10-15 14:07:19 +00:00
|
|
|
|
// Status returns the number of pending and queued transaction in the pool.
|
|
|
|
|
func (s *PublicTxPoolAPI) Status() map[string]*rpc.HexNumber {
|
|
|
|
|
pending, queue := s.e.TxPool().Stats()
|
|
|
|
|
return map[string]*rpc.HexNumber{
|
|
|
|
|
"pending": rpc.NewHexNumber(pending),
|
|
|
|
|
"queued": rpc.NewHexNumber(queue),
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2015-12-30 11:32:15 +00:00
|
|
|
|
// Inspect retrieves the content of the transaction pool and flattens it into an
|
|
|
|
|
// easily inspectable list.
|
|
|
|
|
func (s *PublicTxPoolAPI) Inspect() map[string]map[string]map[string][]string {
|
|
|
|
|
content := map[string]map[string]map[string][]string{
|
|
|
|
|
"pending": make(map[string]map[string][]string),
|
|
|
|
|
"queued": make(map[string]map[string][]string),
|
|
|
|
|
}
|
|
|
|
|
pending, queue := s.e.TxPool().Content()
|
|
|
|
|
|
|
|
|
|
// Define a formatter to flatten a transaction into a string
|
|
|
|
|
var format = func(tx *types.Transaction) string {
|
|
|
|
|
if to := tx.To(); to != nil {
|
|
|
|
|
return fmt.Sprintf("%s: %v wei + %v × %v gas", tx.To().Hex(), tx.Value(), tx.Gas(), tx.GasPrice())
|
|
|
|
|
}
|
|
|
|
|
return fmt.Sprintf("contract creation: %v wei + %v × %v gas", tx.Value(), tx.Gas(), tx.GasPrice())
|
|
|
|
|
}
|
|
|
|
|
// Flatten the pending transactions
|
|
|
|
|
for account, batches := range pending {
|
|
|
|
|
dump := make(map[string][]string)
|
|
|
|
|
for nonce, txs := range batches {
|
|
|
|
|
nonce := fmt.Sprintf("%d", nonce)
|
|
|
|
|
for _, tx := range txs {
|
|
|
|
|
dump[nonce] = append(dump[nonce], format(tx))
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
content["pending"][account.Hex()] = dump
|
|
|
|
|
}
|
|
|
|
|
// Flatten the queued transactions
|
|
|
|
|
for account, batches := range queue {
|
|
|
|
|
dump := make(map[string][]string)
|
|
|
|
|
for nonce, txs := range batches {
|
|
|
|
|
nonce := fmt.Sprintf("%d", nonce)
|
|
|
|
|
for _, tx := range txs {
|
|
|
|
|
dump[nonce] = append(dump[nonce], format(tx))
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
content["queued"][account.Hex()] = dump
|
|
|
|
|
}
|
|
|
|
|
return content
|
|
|
|
|
}
|
|
|
|
|
|
2015-10-15 14:07:19 +00:00
|
|
|
|
// PublicAccountAPI provides an API to access accounts managed by this node.
|
|
|
|
|
// It offers only methods that can retrieve accounts.
|
|
|
|
|
type PublicAccountAPI struct {
|
|
|
|
|
am *accounts.Manager
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewPublicAccountAPI creates a new PublicAccountAPI.
|
|
|
|
|
func NewPublicAccountAPI(am *accounts.Manager) *PublicAccountAPI {
|
|
|
|
|
return &PublicAccountAPI{am: am}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Accounts returns the collection of accounts this node manages
|
2016-03-03 00:09:16 +00:00
|
|
|
|
func (s *PublicAccountAPI) Accounts() []accounts.Account {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
return s.am.Accounts()
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// PrivateAccountAPI provides an API to access accounts managed by this node.
|
|
|
|
|
// It offers methods to create, (un)lock en list accounts.
|
|
|
|
|
type PrivateAccountAPI struct {
|
|
|
|
|
am *accounts.Manager
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewPrivateAccountAPI create a new PrivateAccountAPI.
|
|
|
|
|
func NewPrivateAccountAPI(am *accounts.Manager) *PrivateAccountAPI {
|
|
|
|
|
return &PrivateAccountAPI{am}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ListAccounts will return a list of addresses for accounts this node manages.
|
2016-03-03 00:09:16 +00:00
|
|
|
|
func (s *PrivateAccountAPI) ListAccounts() []common.Address {
|
|
|
|
|
accounts := s.am.Accounts()
|
2015-10-15 14:07:19 +00:00
|
|
|
|
addresses := make([]common.Address, len(accounts))
|
|
|
|
|
for i, acc := range accounts {
|
|
|
|
|
addresses[i] = acc.Address
|
|
|
|
|
}
|
2016-03-03 00:09:16 +00:00
|
|
|
|
return addresses
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewAccount will create a new account and returns the address for the new account.
|
|
|
|
|
func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error) {
|
|
|
|
|
acc, err := s.am.NewAccount(password)
|
|
|
|
|
if err == nil {
|
|
|
|
|
return acc.Address, nil
|
|
|
|
|
}
|
|
|
|
|
return common.Address{}, err
|
|
|
|
|
}
|
|
|
|
|
|
2016-04-25 17:23:40 +00:00
|
|
|
|
func (s *PrivateAccountAPI) ImportRawKey(privkey string, password string) (common.Address, error) {
|
|
|
|
|
hexkey, err := hex.DecodeString(privkey)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return common.Address{}, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
acc, err := s.am.ImportECDSA(crypto.ToECDSA(hexkey), password)
|
|
|
|
|
return acc.Address, err
|
|
|
|
|
}
|
|
|
|
|
|
2016-03-14 08:38:54 +00:00
|
|
|
|
// UnlockAccount will unlock the account associated with the given address with
|
|
|
|
|
// the given password for duration seconds. If duration is nil it will use a
|
|
|
|
|
// default of 300 seconds. It returns an indication if the account was unlocked.
|
2016-03-30 19:02:54 +00:00
|
|
|
|
func (s *PrivateAccountAPI) UnlockAccount(addr common.Address, password string, duration *rpc.HexNumber) (bool, error) {
|
2016-03-14 08:38:54 +00:00
|
|
|
|
if duration == nil {
|
|
|
|
|
duration = rpc.NewHexNumber(300)
|
|
|
|
|
}
|
2016-03-03 00:09:16 +00:00
|
|
|
|
a := accounts.Account{Address: addr}
|
|
|
|
|
d := time.Duration(duration.Int64()) * time.Second
|
|
|
|
|
if err := s.am.TimedUnlock(a, password, d); err != nil {
|
2016-03-30 19:02:54 +00:00
|
|
|
|
return false, err
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
2016-03-30 19:02:54 +00:00
|
|
|
|
return true, nil
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// LockAccount will lock the account associated with the given address when it's unlocked.
|
|
|
|
|
func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool {
|
|
|
|
|
return s.am.Lock(addr) == nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// PublicBlockChainAPI provides an API to access the Ethereum blockchain.
|
|
|
|
|
// It offers only methods that operate on public data that is freely available to anyone.
|
|
|
|
|
type PublicBlockChainAPI struct {
|
2016-03-14 08:38:54 +00:00
|
|
|
|
config *core.ChainConfig
|
2016-03-29 13:07:40 +00:00
|
|
|
|
bc *core.BlockChain
|
|
|
|
|
chainDb ethdb.Database
|
|
|
|
|
eventMux *event.TypeMux
|
|
|
|
|
muNewBlockSubscriptions sync.Mutex // protects newBlocksSubscriptions
|
|
|
|
|
newBlockSubscriptions map[string]func(core.ChainEvent) error // callbacks for new block subscriptions
|
|
|
|
|
am *accounts.Manager
|
|
|
|
|
miner *miner.Miner
|
2016-03-14 08:38:54 +00:00
|
|
|
|
gpo *GasPriceOracle
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewPublicBlockChainAPI creates a new Etheruem blockchain API.
|
2016-03-14 08:38:54 +00:00
|
|
|
|
func NewPublicBlockChainAPI(config *core.ChainConfig, bc *core.BlockChain, m *miner.Miner, chainDb ethdb.Database, gpo *GasPriceOracle, eventMux *event.TypeMux, am *accounts.Manager) *PublicBlockChainAPI {
|
2016-03-29 13:07:40 +00:00
|
|
|
|
api := &PublicBlockChainAPI{
|
|
|
|
|
config: config,
|
|
|
|
|
bc: bc,
|
|
|
|
|
miner: m,
|
|
|
|
|
chainDb: chainDb,
|
|
|
|
|
eventMux: eventMux,
|
|
|
|
|
am: am,
|
|
|
|
|
newBlockSubscriptions: make(map[string]func(core.ChainEvent) error),
|
2016-03-14 08:38:54 +00:00
|
|
|
|
gpo: gpo,
|
2016-03-29 13:07:40 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
go api.subscriptionLoop()
|
|
|
|
|
|
|
|
|
|
return api
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// subscriptionLoop reads events from the global event mux and creates notifications for the matched subscriptions.
|
|
|
|
|
func (s *PublicBlockChainAPI) subscriptionLoop() {
|
|
|
|
|
sub := s.eventMux.Subscribe(core.ChainEvent{})
|
|
|
|
|
for event := range sub.Chan() {
|
|
|
|
|
if chainEvent, ok := event.Data.(core.ChainEvent); ok {
|
|
|
|
|
s.muNewBlockSubscriptions.Lock()
|
|
|
|
|
for id, notifyOf := range s.newBlockSubscriptions {
|
|
|
|
|
if notifyOf(chainEvent) == rpc.ErrNotificationNotFound {
|
|
|
|
|
delete(s.newBlockSubscriptions, id)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
s.muNewBlockSubscriptions.Unlock()
|
|
|
|
|
}
|
|
|
|
|
}
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// BlockNumber returns the block number of the chain head.
|
|
|
|
|
func (s *PublicBlockChainAPI) BlockNumber() *big.Int {
|
|
|
|
|
return s.bc.CurrentHeader().Number
|
|
|
|
|
}
|
|
|
|
|
|
2016-01-27 16:01:30 +00:00
|
|
|
|
// GetBalance returns the amount of wei for the given address in the state of the
|
|
|
|
|
// given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta
|
|
|
|
|
// block numbers are also allowed.
|
2015-10-15 14:07:19 +00:00
|
|
|
|
func (s *PublicBlockChainAPI) GetBalance(address common.Address, blockNr rpc.BlockNumber) (*big.Int, error) {
|
2016-01-27 16:01:30 +00:00
|
|
|
|
state, _, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
|
|
|
|
|
if state == nil || err != nil {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
return state.GetBalance(address), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetBlockByNumber returns the requested block. When blockNr is -1 the chain head is returned. When fullTx is true all
|
|
|
|
|
// transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
|
|
|
|
|
func (s *PublicBlockChainAPI) GetBlockByNumber(blockNr rpc.BlockNumber, fullTx bool) (map[string]interface{}, error) {
|
2015-12-16 09:58:01 +00:00
|
|
|
|
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
|
2016-01-27 16:01:30 +00:00
|
|
|
|
response, err := s.rpcOutputBlock(block, true, fullTx)
|
|
|
|
|
if err == nil && blockNr == rpc.PendingBlockNumber {
|
|
|
|
|
// Pending blocks need to nil out a few fields
|
|
|
|
|
for _, field := range []string{"hash", "nonce", "logsBloom", "miner"} {
|
|
|
|
|
response[field] = nil
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return response, err
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetBlockByHash returns the requested block. When fullTx is true all transactions in the block are returned in full
|
|
|
|
|
// detail, otherwise only the transaction hash is returned.
|
|
|
|
|
func (s *PublicBlockChainAPI) GetBlockByHash(blockHash common.Hash, fullTx bool) (map[string]interface{}, error) {
|
|
|
|
|
if block := s.bc.GetBlock(blockHash); block != nil {
|
|
|
|
|
return s.rpcOutputBlock(block, true, fullTx)
|
|
|
|
|
}
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetUncleByBlockNumberAndIndex returns the uncle block for the given block hash and index. When fullTx is true
|
|
|
|
|
// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
|
|
|
|
|
func (s *PublicBlockChainAPI) GetUncleByBlockNumberAndIndex(blockNr rpc.BlockNumber, index rpc.HexNumber) (map[string]interface{}, error) {
|
2015-12-16 09:58:01 +00:00
|
|
|
|
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
uncles := block.Uncles()
|
|
|
|
|
if index.Int() < 0 || index.Int() >= len(uncles) {
|
|
|
|
|
glog.V(logger.Debug).Infof("uncle block on index %d not found for block #%d", index.Int(), blockNr)
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
block = types.NewBlockWithHeader(uncles[index.Int()])
|
|
|
|
|
return s.rpcOutputBlock(block, false, false)
|
|
|
|
|
}
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetUncleByBlockHashAndIndex returns the uncle block for the given block hash and index. When fullTx is true
|
|
|
|
|
// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
|
|
|
|
|
func (s *PublicBlockChainAPI) GetUncleByBlockHashAndIndex(blockHash common.Hash, index rpc.HexNumber) (map[string]interface{}, error) {
|
|
|
|
|
if block := s.bc.GetBlock(blockHash); block != nil {
|
|
|
|
|
uncles := block.Uncles()
|
|
|
|
|
if index.Int() < 0 || index.Int() >= len(uncles) {
|
|
|
|
|
glog.V(logger.Debug).Infof("uncle block on index %d not found for block %s", index.Int(), blockHash.Hex())
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
block = types.NewBlockWithHeader(uncles[index.Int()])
|
|
|
|
|
return s.rpcOutputBlock(block, false, false)
|
|
|
|
|
}
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetUncleCountByBlockNumber returns number of uncles in the block for the given block number
|
|
|
|
|
func (s *PublicBlockChainAPI) GetUncleCountByBlockNumber(blockNr rpc.BlockNumber) *rpc.HexNumber {
|
2015-12-16 09:58:01 +00:00
|
|
|
|
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
return rpc.NewHexNumber(len(block.Uncles()))
|
|
|
|
|
}
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetUncleCountByBlockHash returns number of uncles in the block for the given block hash
|
|
|
|
|
func (s *PublicBlockChainAPI) GetUncleCountByBlockHash(blockHash common.Hash) *rpc.HexNumber {
|
|
|
|
|
if block := s.bc.GetBlock(blockHash); block != nil {
|
|
|
|
|
return rpc.NewHexNumber(len(block.Uncles()))
|
|
|
|
|
}
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewBlocksArgs allows the user to specify if the returned block should include transactions and in which format.
|
|
|
|
|
type NewBlocksArgs struct {
|
|
|
|
|
IncludeTransactions bool `json:"includeTransactions"`
|
|
|
|
|
TransactionDetails bool `json:"transactionDetails"`
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewBlocks triggers a new block event each time a block is appended to the chain. It accepts an argument which allows
|
|
|
|
|
// the caller to specify whether the output should contain transactions and in what format.
|
2016-03-29 13:07:40 +00:00
|
|
|
|
func (s *PublicBlockChainAPI) NewBlocks(ctx context.Context, args NewBlocksArgs) (rpc.Subscription, error) {
|
2016-04-15 16:05:24 +00:00
|
|
|
|
notifier, supported := rpc.NotifierFromContext(ctx)
|
2016-03-29 13:07:40 +00:00
|
|
|
|
if !supported {
|
|
|
|
|
return nil, rpc.ErrNotificationsUnsupported
|
|
|
|
|
}
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
2016-03-29 13:07:40 +00:00
|
|
|
|
// create a subscription that will remove itself when unsubscribed/cancelled
|
|
|
|
|
subscription, err := notifier.NewSubscription(func(subId string) {
|
|
|
|
|
s.muNewBlockSubscriptions.Lock()
|
|
|
|
|
delete(s.newBlockSubscriptions, subId)
|
|
|
|
|
s.muNewBlockSubscriptions.Unlock()
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// add a callback that is called on chain events which will format the block and notify the client
|
|
|
|
|
s.muNewBlockSubscriptions.Lock()
|
|
|
|
|
s.newBlockSubscriptions[subscription.ID()] = func(e core.ChainEvent) error {
|
|
|
|
|
if notification, err := s.rpcOutputBlock(e.Block, args.IncludeTransactions, args.TransactionDetails); err == nil {
|
|
|
|
|
return subscription.Notify(notification)
|
|
|
|
|
} else {
|
|
|
|
|
glog.V(logger.Warn).Info("unable to format block %v\n", err)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
2016-03-29 13:07:40 +00:00
|
|
|
|
return nil
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
2016-03-29 13:07:40 +00:00
|
|
|
|
s.muNewBlockSubscriptions.Unlock()
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
2016-03-29 13:07:40 +00:00
|
|
|
|
return subscription, nil
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetCode returns the code stored at the given address in the state for the given block number.
|
|
|
|
|
func (s *PublicBlockChainAPI) GetCode(address common.Address, blockNr rpc.BlockNumber) (string, error) {
|
2016-01-27 16:01:30 +00:00
|
|
|
|
state, _, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
|
|
|
|
|
if state == nil || err != nil {
|
|
|
|
|
return "", err
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
2016-01-27 16:01:30 +00:00
|
|
|
|
res := state.GetCode(address)
|
|
|
|
|
if len(res) == 0 { // backwards compatibility
|
|
|
|
|
return "0x", nil
|
|
|
|
|
}
|
|
|
|
|
return common.ToHex(res), nil
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
2016-01-27 16:01:30 +00:00
|
|
|
|
// GetStorageAt returns the storage from the state at the given address, key and
|
|
|
|
|
// block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block
|
|
|
|
|
// numbers are also allowed.
|
2015-10-15 14:07:19 +00:00
|
|
|
|
func (s *PublicBlockChainAPI) GetStorageAt(address common.Address, key string, blockNr rpc.BlockNumber) (string, error) {
|
2016-01-27 16:01:30 +00:00
|
|
|
|
state, _, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
|
|
|
|
|
if state == nil || err != nil {
|
|
|
|
|
return "0x", err
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
2016-01-27 16:01:30 +00:00
|
|
|
|
return state.GetState(address, common.HexToHash(key)).Hex(), nil
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
2016-03-15 18:27:49 +00:00
|
|
|
|
// callmsg is the message type used for call transactions.
|
2015-10-15 14:07:19 +00:00
|
|
|
|
type callmsg struct {
|
|
|
|
|
from *state.StateObject
|
|
|
|
|
to *common.Address
|
|
|
|
|
gas, gasPrice *big.Int
|
|
|
|
|
value *big.Int
|
|
|
|
|
data []byte
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// accessor boilerplate to implement core.Message
|
2015-11-27 14:40:29 +00:00
|
|
|
|
func (m callmsg) From() (common.Address, error) { return m.from.Address(), nil }
|
|
|
|
|
func (m callmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
|
|
|
|
|
func (m callmsg) Nonce() uint64 { return m.from.Nonce() }
|
|
|
|
|
func (m callmsg) To() *common.Address { return m.to }
|
|
|
|
|
func (m callmsg) GasPrice() *big.Int { return m.gasPrice }
|
|
|
|
|
func (m callmsg) Gas() *big.Int { return m.gas }
|
|
|
|
|
func (m callmsg) Value() *big.Int { return m.value }
|
|
|
|
|
func (m callmsg) Data() []byte { return m.data }
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
|
|
|
|
type CallArgs struct {
|
2016-02-15 09:13:39 +00:00
|
|
|
|
From common.Address `json:"from"`
|
|
|
|
|
To *common.Address `json:"to"`
|
2016-03-14 08:38:54 +00:00
|
|
|
|
Gas *rpc.HexNumber `json:"gas"`
|
|
|
|
|
GasPrice *rpc.HexNumber `json:"gasPrice"`
|
2016-02-15 09:13:39 +00:00
|
|
|
|
Value rpc.HexNumber `json:"value"`
|
|
|
|
|
Data string `json:"data"`
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (s *PublicBlockChainAPI) doCall(args CallArgs, blockNr rpc.BlockNumber) (string, *big.Int, error) {
|
2016-01-27 16:01:30 +00:00
|
|
|
|
// Fetch the state associated with the block number
|
|
|
|
|
stateDb, block, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
|
|
|
|
|
if stateDb == nil || err != nil {
|
|
|
|
|
return "0x", nil, err
|
|
|
|
|
}
|
|
|
|
|
stateDb = stateDb.Copy()
|
|
|
|
|
|
2016-04-27 13:29:13 +00:00
|
|
|
|
// If there's no code to interact with, respond with an appropriate error
|
|
|
|
|
if args.To != nil {
|
|
|
|
|
if code := stateDb.GetCode(*args.To); len(code) == 0 {
|
2016-04-28 09:00:11 +00:00
|
|
|
|
return "0x", nil, errNoCode
|
2016-04-27 13:29:13 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
2016-01-27 16:01:30 +00:00
|
|
|
|
// Retrieve the account state object to interact with
|
|
|
|
|
var from *state.StateObject
|
|
|
|
|
if args.From == (common.Address{}) {
|
2016-03-03 00:09:16 +00:00
|
|
|
|
accounts := s.am.Accounts()
|
|
|
|
|
if len(accounts) == 0 {
|
2016-01-27 16:01:30 +00:00
|
|
|
|
from = stateDb.GetOrNewStateObject(common.Address{})
|
2015-10-15 14:07:19 +00:00
|
|
|
|
} else {
|
2016-01-27 16:01:30 +00:00
|
|
|
|
from = stateDb.GetOrNewStateObject(accounts[0].Address)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
2016-01-27 16:01:30 +00:00
|
|
|
|
} else {
|
|
|
|
|
from = stateDb.GetOrNewStateObject(args.From)
|
|
|
|
|
}
|
|
|
|
|
from.SetBalance(common.MaxBig)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
2016-01-27 16:01:30 +00:00
|
|
|
|
// Assemble the CALL invocation
|
|
|
|
|
msg := callmsg{
|
|
|
|
|
from: from,
|
2016-02-15 09:13:39 +00:00
|
|
|
|
to: args.To,
|
2016-01-27 16:01:30 +00:00
|
|
|
|
gas: args.Gas.BigInt(),
|
|
|
|
|
gasPrice: args.GasPrice.BigInt(),
|
|
|
|
|
value: args.Value.BigInt(),
|
|
|
|
|
data: common.FromHex(args.Data),
|
|
|
|
|
}
|
2016-03-14 08:38:54 +00:00
|
|
|
|
if msg.gas == nil {
|
2016-01-27 16:01:30 +00:00
|
|
|
|
msg.gas = big.NewInt(50000000)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
2016-03-14 08:38:54 +00:00
|
|
|
|
if msg.gasPrice == nil {
|
|
|
|
|
msg.gasPrice = s.gpo.SuggestPrice()
|
2016-01-27 16:01:30 +00:00
|
|
|
|
}
|
2016-02-15 09:13:39 +00:00
|
|
|
|
|
2016-01-27 16:01:30 +00:00
|
|
|
|
// Execute the call and return
|
2016-03-01 22:32:43 +00:00
|
|
|
|
vmenv := core.NewEnv(stateDb, s.config, s.bc, msg, block.Header(), s.config.VmConfig)
|
2016-01-27 16:01:30 +00:00
|
|
|
|
gp := new(core.GasPool).AddGas(common.MaxBig)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
2016-03-31 22:30:21 +00:00
|
|
|
|
res, requiredGas, _, err := core.NewStateTransition(vmenv, msg, gp).TransitionDb()
|
2016-01-27 16:01:30 +00:00
|
|
|
|
if len(res) == 0 { // backwards compatibility
|
2016-03-31 22:30:21 +00:00
|
|
|
|
return "0x", requiredGas, err
|
2016-01-27 16:01:30 +00:00
|
|
|
|
}
|
2016-03-31 22:30:21 +00:00
|
|
|
|
return common.ToHex(res), requiredGas, err
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Call executes the given transaction on the state for the given block number.
|
2016-03-15 18:27:49 +00:00
|
|
|
|
// It doesn't make and changes in the state/blockchain and is useful to execute and retrieve values.
|
2015-10-15 14:07:19 +00:00
|
|
|
|
func (s *PublicBlockChainAPI) Call(args CallArgs, blockNr rpc.BlockNumber) (string, error) {
|
|
|
|
|
result, _, err := s.doCall(args, blockNr)
|
|
|
|
|
return result, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// EstimateGas returns an estimate of the amount of gas needed to execute the given transaction.
|
|
|
|
|
func (s *PublicBlockChainAPI) EstimateGas(args CallArgs) (*rpc.HexNumber, error) {
|
2016-03-16 10:48:33 +00:00
|
|
|
|
_, gas, err := s.doCall(args, rpc.PendingBlockNumber)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
return rpc.NewHexNumber(gas), err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// rpcOutputBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
|
|
|
|
|
// returned. When fullTx is true the returned block contains full transaction details, otherwise it will only contain
|
|
|
|
|
// transaction hashes.
|
|
|
|
|
func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
|
|
|
|
|
fields := map[string]interface{}{
|
|
|
|
|
"number": rpc.NewHexNumber(b.Number()),
|
|
|
|
|
"hash": b.Hash(),
|
|
|
|
|
"parentHash": b.ParentHash(),
|
|
|
|
|
"nonce": b.Header().Nonce,
|
|
|
|
|
"sha3Uncles": b.UncleHash(),
|
|
|
|
|
"logsBloom": b.Bloom(),
|
|
|
|
|
"stateRoot": b.Root(),
|
|
|
|
|
"miner": b.Coinbase(),
|
|
|
|
|
"difficulty": rpc.NewHexNumber(b.Difficulty()),
|
|
|
|
|
"totalDifficulty": rpc.NewHexNumber(s.bc.GetTd(b.Hash())),
|
|
|
|
|
"extraData": fmt.Sprintf("0x%x", b.Extra()),
|
|
|
|
|
"size": rpc.NewHexNumber(b.Size().Int64()),
|
|
|
|
|
"gasLimit": rpc.NewHexNumber(b.GasLimit()),
|
|
|
|
|
"gasUsed": rpc.NewHexNumber(b.GasUsed()),
|
|
|
|
|
"timestamp": rpc.NewHexNumber(b.Time()),
|
|
|
|
|
"transactionsRoot": b.TxHash(),
|
|
|
|
|
"receiptRoot": b.ReceiptHash(),
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if inclTx {
|
|
|
|
|
formatTx := func(tx *types.Transaction) (interface{}, error) {
|
|
|
|
|
return tx.Hash(), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if fullTx {
|
|
|
|
|
formatTx = func(tx *types.Transaction) (interface{}, error) {
|
|
|
|
|
return newRPCTransaction(b, tx.Hash())
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
txs := b.Transactions()
|
|
|
|
|
transactions := make([]interface{}, len(txs))
|
|
|
|
|
var err error
|
|
|
|
|
for i, tx := range b.Transactions() {
|
|
|
|
|
if transactions[i], err = formatTx(tx); err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
fields["transactions"] = transactions
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
uncles := b.Uncles()
|
|
|
|
|
uncleHashes := make([]common.Hash, len(uncles))
|
|
|
|
|
for i, uncle := range uncles {
|
|
|
|
|
uncleHashes[i] = uncle.Hash()
|
|
|
|
|
}
|
|
|
|
|
fields["uncles"] = uncleHashes
|
|
|
|
|
|
|
|
|
|
return fields, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
|
|
|
|
|
type RPCTransaction struct {
|
|
|
|
|
BlockHash common.Hash `json:"blockHash"`
|
|
|
|
|
BlockNumber *rpc.HexNumber `json:"blockNumber"`
|
|
|
|
|
From common.Address `json:"from"`
|
|
|
|
|
Gas *rpc.HexNumber `json:"gas"`
|
|
|
|
|
GasPrice *rpc.HexNumber `json:"gasPrice"`
|
|
|
|
|
Hash common.Hash `json:"hash"`
|
|
|
|
|
Input string `json:"input"`
|
|
|
|
|
Nonce *rpc.HexNumber `json:"nonce"`
|
|
|
|
|
To *common.Address `json:"to"`
|
|
|
|
|
TransactionIndex *rpc.HexNumber `json:"transactionIndex"`
|
|
|
|
|
Value *rpc.HexNumber `json:"value"`
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// newRPCPendingTransaction returns a pending transaction that will serialize to the RPC representation
|
|
|
|
|
func newRPCPendingTransaction(tx *types.Transaction) *RPCTransaction {
|
2016-02-20 11:02:32 +00:00
|
|
|
|
from, _ := tx.FromFrontier()
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
|
|
|
|
return &RPCTransaction{
|
|
|
|
|
From: from,
|
|
|
|
|
Gas: rpc.NewHexNumber(tx.Gas()),
|
|
|
|
|
GasPrice: rpc.NewHexNumber(tx.GasPrice()),
|
|
|
|
|
Hash: tx.Hash(),
|
|
|
|
|
Input: fmt.Sprintf("0x%x", tx.Data()),
|
|
|
|
|
Nonce: rpc.NewHexNumber(tx.Nonce()),
|
|
|
|
|
To: tx.To(),
|
|
|
|
|
Value: rpc.NewHexNumber(tx.Value()),
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// newRPCTransaction returns a transaction that will serialize to the RPC representation.
|
|
|
|
|
func newRPCTransactionFromBlockIndex(b *types.Block, txIndex int) (*RPCTransaction, error) {
|
|
|
|
|
if txIndex >= 0 && txIndex < len(b.Transactions()) {
|
|
|
|
|
tx := b.Transactions()[txIndex]
|
2016-02-20 11:02:32 +00:00
|
|
|
|
from, err := tx.FromFrontier()
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return &RPCTransaction{
|
|
|
|
|
BlockHash: b.Hash(),
|
|
|
|
|
BlockNumber: rpc.NewHexNumber(b.Number()),
|
|
|
|
|
From: from,
|
|
|
|
|
Gas: rpc.NewHexNumber(tx.Gas()),
|
|
|
|
|
GasPrice: rpc.NewHexNumber(tx.GasPrice()),
|
|
|
|
|
Hash: tx.Hash(),
|
|
|
|
|
Input: fmt.Sprintf("0x%x", tx.Data()),
|
|
|
|
|
Nonce: rpc.NewHexNumber(tx.Nonce()),
|
|
|
|
|
To: tx.To(),
|
|
|
|
|
TransactionIndex: rpc.NewHexNumber(txIndex),
|
|
|
|
|
Value: rpc.NewHexNumber(tx.Value()),
|
|
|
|
|
}, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// newRPCTransaction returns a transaction that will serialize to the RPC representation.
|
|
|
|
|
func newRPCTransaction(b *types.Block, txHash common.Hash) (*RPCTransaction, error) {
|
|
|
|
|
for idx, tx := range b.Transactions() {
|
|
|
|
|
if tx.Hash() == txHash {
|
|
|
|
|
return newRPCTransactionFromBlockIndex(b, idx)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// PublicTransactionPoolAPI exposes methods for the RPC interface
|
|
|
|
|
type PublicTransactionPoolAPI struct {
|
2016-03-29 13:07:40 +00:00
|
|
|
|
eventMux *event.TypeMux
|
|
|
|
|
chainDb ethdb.Database
|
|
|
|
|
gpo *GasPriceOracle
|
|
|
|
|
bc *core.BlockChain
|
|
|
|
|
miner *miner.Miner
|
|
|
|
|
am *accounts.Manager
|
|
|
|
|
txPool *core.TxPool
|
|
|
|
|
txMu sync.Mutex
|
|
|
|
|
muPendingTxSubs sync.Mutex
|
|
|
|
|
pendingTxSubs map[string]rpc.Subscription
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewPublicTransactionPoolAPI creates a new RPC service with methods specific for the transaction pool.
|
2016-04-28 09:00:11 +00:00
|
|
|
|
func NewPublicTransactionPoolAPI(e *Ethereum) *PublicTransactionPoolAPI {
|
2016-03-29 13:07:40 +00:00
|
|
|
|
api := &PublicTransactionPoolAPI{
|
2016-04-28 09:00:11 +00:00
|
|
|
|
eventMux: e.eventMux,
|
|
|
|
|
gpo: e.gpo,
|
|
|
|
|
chainDb: e.chainDb,
|
|
|
|
|
bc: e.blockchain,
|
|
|
|
|
am: e.accountManager,
|
|
|
|
|
txPool: e.txPool,
|
|
|
|
|
miner: e.miner,
|
2016-03-29 13:07:40 +00:00
|
|
|
|
pendingTxSubs: make(map[string]rpc.Subscription),
|
|
|
|
|
}
|
|
|
|
|
go api.subscriptionLoop()
|
|
|
|
|
|
|
|
|
|
return api
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// subscriptionLoop listens for events on the global event mux and creates notifications for subscriptions.
|
|
|
|
|
func (s *PublicTransactionPoolAPI) subscriptionLoop() {
|
|
|
|
|
sub := s.eventMux.Subscribe(core.TxPreEvent{})
|
2016-03-03 00:09:16 +00:00
|
|
|
|
for event := range sub.Chan() {
|
|
|
|
|
tx := event.Data.(core.TxPreEvent)
|
|
|
|
|
if from, err := tx.Tx.FromFrontier(); err == nil {
|
|
|
|
|
if s.am.HasAddress(from) {
|
|
|
|
|
s.muPendingTxSubs.Lock()
|
|
|
|
|
for id, sub := range s.pendingTxSubs {
|
|
|
|
|
if sub.Notify(tx.Tx.Hash()) == rpc.ErrNotificationNotFound {
|
|
|
|
|
delete(s.pendingTxSubs, id)
|
2016-03-29 13:07:40 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
2016-03-03 00:09:16 +00:00
|
|
|
|
s.muPendingTxSubs.Unlock()
|
2016-03-29 13:07:40 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func getTransaction(chainDb ethdb.Database, txPool *core.TxPool, txHash common.Hash) (*types.Transaction, bool, error) {
|
|
|
|
|
txData, err := chainDb.Get(txHash.Bytes())
|
|
|
|
|
isPending := false
|
|
|
|
|
tx := new(types.Transaction)
|
|
|
|
|
|
|
|
|
|
if err == nil && len(txData) > 0 {
|
|
|
|
|
if err := rlp.DecodeBytes(txData, tx); err != nil {
|
|
|
|
|
return nil, isPending, err
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
// pending transaction?
|
|
|
|
|
tx = txPool.GetTransaction(txHash)
|
|
|
|
|
isPending = true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return tx, isPending, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetBlockTransactionCountByNumber returns the number of transactions in the block with the given block number.
|
|
|
|
|
func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByNumber(blockNr rpc.BlockNumber) *rpc.HexNumber {
|
2015-12-16 09:58:01 +00:00
|
|
|
|
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
return rpc.NewHexNumber(len(block.Transactions()))
|
|
|
|
|
}
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetBlockTransactionCountByHash returns the number of transactions in the block with the given hash.
|
|
|
|
|
func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByHash(blockHash common.Hash) *rpc.HexNumber {
|
|
|
|
|
if block := s.bc.GetBlock(blockHash); block != nil {
|
|
|
|
|
return rpc.NewHexNumber(len(block.Transactions()))
|
|
|
|
|
}
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetTransactionByBlockNumberAndIndex returns the transaction for the given block number and index.
|
|
|
|
|
func (s *PublicTransactionPoolAPI) GetTransactionByBlockNumberAndIndex(blockNr rpc.BlockNumber, index rpc.HexNumber) (*RPCTransaction, error) {
|
2015-12-16 09:58:01 +00:00
|
|
|
|
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
return newRPCTransactionFromBlockIndex(block, index.Int())
|
|
|
|
|
}
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetTransactionByBlockHashAndIndex returns the transaction for the given block hash and index.
|
|
|
|
|
func (s *PublicTransactionPoolAPI) GetTransactionByBlockHashAndIndex(blockHash common.Hash, index rpc.HexNumber) (*RPCTransaction, error) {
|
|
|
|
|
if block := s.bc.GetBlock(blockHash); block != nil {
|
|
|
|
|
return newRPCTransactionFromBlockIndex(block, index.Int())
|
|
|
|
|
}
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetTransactionCount returns the number of transactions the given address has sent for the given block number
|
|
|
|
|
func (s *PublicTransactionPoolAPI) GetTransactionCount(address common.Address, blockNr rpc.BlockNumber) (*rpc.HexNumber, error) {
|
2016-01-27 16:01:30 +00:00
|
|
|
|
state, _, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
|
|
|
|
|
if state == nil || err != nil {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
return rpc.NewHexNumber(state.GetNonce(address)), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// getTransactionBlockData fetches the meta data for the given transaction from the chain database. This is useful to
|
|
|
|
|
// retrieve block information for a hash. It returns the block hash, block index and transaction index.
|
|
|
|
|
func getTransactionBlockData(chainDb ethdb.Database, txHash common.Hash) (common.Hash, uint64, uint64, error) {
|
|
|
|
|
var txBlock struct {
|
|
|
|
|
BlockHash common.Hash
|
|
|
|
|
BlockIndex uint64
|
|
|
|
|
Index uint64
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
blockData, err := chainDb.Get(append(txHash.Bytes(), 0x0001))
|
|
|
|
|
if err != nil {
|
|
|
|
|
return common.Hash{}, uint64(0), uint64(0), err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
reader := bytes.NewReader(blockData)
|
|
|
|
|
if err = rlp.Decode(reader, &txBlock); err != nil {
|
|
|
|
|
return common.Hash{}, uint64(0), uint64(0), err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return txBlock.BlockHash, txBlock.BlockIndex, txBlock.Index, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetTransactionByHash returns the transaction for the given hash
|
|
|
|
|
func (s *PublicTransactionPoolAPI) GetTransactionByHash(txHash common.Hash) (*RPCTransaction, error) {
|
|
|
|
|
var tx *types.Transaction
|
|
|
|
|
var isPending bool
|
|
|
|
|
var err error
|
|
|
|
|
|
|
|
|
|
if tx, isPending, err = getTransaction(s.chainDb, s.txPool, txHash); err != nil {
|
|
|
|
|
glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
|
|
return nil, nil
|
|
|
|
|
} else if tx == nil {
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if isPending {
|
|
|
|
|
return newRPCPendingTransaction(tx), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
blockHash, _, _, err := getTransactionBlockData(s.chainDb, txHash)
|
|
|
|
|
if err != nil {
|
|
|
|
|
glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if block := s.bc.GetBlock(blockHash); block != nil {
|
|
|
|
|
return newRPCTransaction(block, txHash)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetTransactionReceipt returns the transaction receipt for the given transaction hash.
|
|
|
|
|
func (s *PublicTransactionPoolAPI) GetTransactionReceipt(txHash common.Hash) (map[string]interface{}, error) {
|
|
|
|
|
receipt := core.GetReceipt(s.chainDb, txHash)
|
|
|
|
|
if receipt == nil {
|
|
|
|
|
glog.V(logger.Debug).Infof("receipt not found for transaction %s", txHash.Hex())
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
tx, _, err := getTransaction(s.chainDb, s.txPool, txHash)
|
|
|
|
|
if err != nil {
|
|
|
|
|
glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
txBlock, blockIndex, index, err := getTransactionBlockData(s.chainDb, txHash)
|
|
|
|
|
if err != nil {
|
|
|
|
|
glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
2016-02-20 11:02:32 +00:00
|
|
|
|
from, err := tx.FromFrontier()
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if err != nil {
|
|
|
|
|
glog.V(logger.Debug).Infof("%v\n", err)
|
|
|
|
|
return nil, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
fields := map[string]interface{}{
|
2016-03-14 14:58:14 +00:00
|
|
|
|
"root": common.Bytes2Hex(receipt.PostState),
|
2015-10-15 14:07:19 +00:00
|
|
|
|
"blockHash": txBlock,
|
|
|
|
|
"blockNumber": rpc.NewHexNumber(blockIndex),
|
|
|
|
|
"transactionHash": txHash,
|
|
|
|
|
"transactionIndex": rpc.NewHexNumber(index),
|
|
|
|
|
"from": from,
|
|
|
|
|
"to": tx.To(),
|
|
|
|
|
"gasUsed": rpc.NewHexNumber(receipt.GasUsed),
|
|
|
|
|
"cumulativeGasUsed": rpc.NewHexNumber(receipt.CumulativeGasUsed),
|
|
|
|
|
"contractAddress": nil,
|
|
|
|
|
"logs": receipt.Logs,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if receipt.Logs == nil {
|
|
|
|
|
fields["logs"] = []vm.Logs{}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
|
|
|
|
|
if bytes.Compare(receipt.ContractAddress.Bytes(), bytes.Repeat([]byte{0}, 20)) != 0 {
|
|
|
|
|
fields["contractAddress"] = receipt.ContractAddress
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return fields, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// sign is a helper function that signs a transaction with the private key of the given address.
|
2016-04-04 23:08:50 +00:00
|
|
|
|
func (s *PublicTransactionPoolAPI) sign(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
|
|
|
|
|
signature, err := s.am.Sign(addr, tx.SigHash().Bytes())
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
return tx.WithSignature(signature)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
type SendTxArgs struct {
|
2016-02-15 09:13:39 +00:00
|
|
|
|
From common.Address `json:"from"`
|
|
|
|
|
To *common.Address `json:"to"`
|
|
|
|
|
Gas *rpc.HexNumber `json:"gas"`
|
|
|
|
|
GasPrice *rpc.HexNumber `json:"gasPrice"`
|
|
|
|
|
Value *rpc.HexNumber `json:"value"`
|
|
|
|
|
Data string `json:"data"`
|
|
|
|
|
Nonce *rpc.HexNumber `json:"nonce"`
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// SendTransaction will create a transaction for the given transaction argument, sign it and submit it to the
|
|
|
|
|
// transaction pool.
|
|
|
|
|
func (s *PublicTransactionPoolAPI) SendTransaction(args SendTxArgs) (common.Hash, error) {
|
|
|
|
|
if args.Gas == nil {
|
|
|
|
|
args.Gas = rpc.NewHexNumber(defaultGas)
|
|
|
|
|
}
|
|
|
|
|
if args.GasPrice == nil {
|
2016-02-10 12:20:03 +00:00
|
|
|
|
args.GasPrice = rpc.NewHexNumber(s.gpo.SuggestPrice())
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
if args.Value == nil {
|
|
|
|
|
args.Value = rpc.NewHexNumber(0)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
s.txMu.Lock()
|
|
|
|
|
defer s.txMu.Unlock()
|
|
|
|
|
|
|
|
|
|
if args.Nonce == nil {
|
|
|
|
|
args.Nonce = rpc.NewHexNumber(s.txPool.State().GetNonce(args.From))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var tx *types.Transaction
|
2016-02-15 09:13:39 +00:00
|
|
|
|
contractCreation := (args.To == nil)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
|
|
|
|
if contractCreation {
|
|
|
|
|
tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
|
|
|
|
|
} else {
|
2016-02-15 09:13:39 +00:00
|
|
|
|
tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
signedTx, err := s.sign(args.From, tx)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return common.Hash{}, err
|
|
|
|
|
}
|
|
|
|
|
|
2015-11-20 23:40:36 +00:00
|
|
|
|
s.txPool.SetLocal(signedTx)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if err := s.txPool.Add(signedTx); err != nil {
|
2016-02-08 10:11:07 +00:00
|
|
|
|
return common.Hash{}, err
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if contractCreation {
|
|
|
|
|
addr := crypto.CreateAddress(args.From, args.Nonce.Uint64())
|
|
|
|
|
glog.V(logger.Info).Infof("Tx(%s) created: %s\n", signedTx.Hash().Hex(), addr.Hex())
|
|
|
|
|
} else {
|
|
|
|
|
glog.V(logger.Info).Infof("Tx(%s) to: %s\n", signedTx.Hash().Hex(), tx.To().Hex())
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return signedTx.Hash(), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// SendRawTransaction will add the signed transaction to the transaction pool.
|
|
|
|
|
// The sender is responsible for signing the transaction and using the correct nonce.
|
|
|
|
|
func (s *PublicTransactionPoolAPI) SendRawTransaction(encodedTx string) (string, error) {
|
|
|
|
|
tx := new(types.Transaction)
|
|
|
|
|
if err := rlp.DecodeBytes(common.FromHex(encodedTx), tx); err != nil {
|
|
|
|
|
return "", err
|
|
|
|
|
}
|
|
|
|
|
|
2015-11-20 23:40:36 +00:00
|
|
|
|
s.txPool.SetLocal(tx)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if err := s.txPool.Add(tx); err != nil {
|
|
|
|
|
return "", err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if tx.To() == nil {
|
2016-02-20 11:02:32 +00:00
|
|
|
|
from, err := tx.FromFrontier()
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if err != nil {
|
|
|
|
|
return "", err
|
|
|
|
|
}
|
|
|
|
|
addr := crypto.CreateAddress(from, tx.Nonce())
|
|
|
|
|
glog.V(logger.Info).Infof("Tx(%x) created: %x\n", tx.Hash(), addr)
|
|
|
|
|
} else {
|
|
|
|
|
glog.V(logger.Info).Infof("Tx(%x) to: %x\n", tx.Hash(), tx.To())
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return tx.Hash().Hex(), nil
|
|
|
|
|
}
|
|
|
|
|
|
2016-04-04 23:08:50 +00:00
|
|
|
|
// Sign signs the given hash using the key that matches the address. The key must be
|
|
|
|
|
// unlocked in order to sign the hash.
|
|
|
|
|
func (s *PublicTransactionPoolAPI) Sign(addr common.Address, hash common.Hash) (string, error) {
|
|
|
|
|
signature, error := s.am.Sign(addr, hash[:])
|
2015-10-15 14:07:19 +00:00
|
|
|
|
return common.ToHex(signature), error
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
type SignTransactionArgs struct {
|
2015-12-04 18:56:11 +00:00
|
|
|
|
From common.Address
|
2016-02-15 09:13:39 +00:00
|
|
|
|
To *common.Address
|
2015-12-04 18:56:11 +00:00
|
|
|
|
Nonce *rpc.HexNumber
|
|
|
|
|
Value *rpc.HexNumber
|
|
|
|
|
Gas *rpc.HexNumber
|
|
|
|
|
GasPrice *rpc.HexNumber
|
|
|
|
|
Data string
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
|
|
|
|
BlockNumber int64
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Tx is a helper object for argument and return values
|
|
|
|
|
type Tx struct {
|
2015-12-04 18:56:11 +00:00
|
|
|
|
tx *types.Transaction
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
|
|
|
|
To *common.Address `json:"to"`
|
|
|
|
|
From common.Address `json:"from"`
|
|
|
|
|
Nonce *rpc.HexNumber `json:"nonce"`
|
|
|
|
|
Value *rpc.HexNumber `json:"value"`
|
|
|
|
|
Data string `json:"data"`
|
|
|
|
|
GasLimit *rpc.HexNumber `json:"gas"`
|
|
|
|
|
GasPrice *rpc.HexNumber `json:"gasPrice"`
|
|
|
|
|
Hash common.Hash `json:"hash"`
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (tx *Tx) UnmarshalJSON(b []byte) (err error) {
|
|
|
|
|
req := struct {
|
2016-02-15 09:13:39 +00:00
|
|
|
|
To *common.Address `json:"to"`
|
|
|
|
|
From common.Address `json:"from"`
|
|
|
|
|
Nonce *rpc.HexNumber `json:"nonce"`
|
|
|
|
|
Value *rpc.HexNumber `json:"value"`
|
|
|
|
|
Data string `json:"data"`
|
|
|
|
|
GasLimit *rpc.HexNumber `json:"gas"`
|
|
|
|
|
GasPrice *rpc.HexNumber `json:"gasPrice"`
|
|
|
|
|
Hash common.Hash `json:"hash"`
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}{}
|
|
|
|
|
|
|
|
|
|
if err := json.Unmarshal(b, &req); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
2016-02-15 09:13:39 +00:00
|
|
|
|
tx.To = req.To
|
2015-10-15 14:07:19 +00:00
|
|
|
|
tx.From = req.From
|
|
|
|
|
tx.Nonce = req.Nonce
|
|
|
|
|
tx.Value = req.Value
|
|
|
|
|
tx.Data = req.Data
|
|
|
|
|
tx.GasLimit = req.GasLimit
|
|
|
|
|
tx.GasPrice = req.GasPrice
|
|
|
|
|
tx.Hash = req.Hash
|
|
|
|
|
|
|
|
|
|
data := common.Hex2Bytes(tx.Data)
|
|
|
|
|
|
|
|
|
|
if tx.Nonce == nil {
|
|
|
|
|
return fmt.Errorf("need nonce")
|
|
|
|
|
}
|
|
|
|
|
if tx.Value == nil {
|
|
|
|
|
tx.Value = rpc.NewHexNumber(0)
|
|
|
|
|
}
|
|
|
|
|
if tx.GasLimit == nil {
|
|
|
|
|
tx.GasLimit = rpc.NewHexNumber(0)
|
|
|
|
|
}
|
|
|
|
|
if tx.GasPrice == nil {
|
2016-02-10 12:20:03 +00:00
|
|
|
|
tx.GasPrice = rpc.NewHexNumber(int64(50000000000))
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
2016-02-15 09:13:39 +00:00
|
|
|
|
contractCreation := (req.To == nil)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if contractCreation {
|
|
|
|
|
tx.tx = types.NewContractCreation(tx.Nonce.Uint64(), tx.Value.BigInt(), tx.GasLimit.BigInt(), tx.GasPrice.BigInt(), data)
|
|
|
|
|
} else {
|
|
|
|
|
tx.tx = types.NewTransaction(tx.Nonce.Uint64(), *tx.To, tx.Value.BigInt(), tx.GasLimit.BigInt(), tx.GasPrice.BigInt(), data)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
type SignTransactionResult struct {
|
|
|
|
|
Raw string `json:"raw"`
|
|
|
|
|
Tx *Tx `json:"tx"`
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func newTx(t *types.Transaction) *Tx {
|
2016-02-20 11:02:32 +00:00
|
|
|
|
from, _ := t.FromFrontier()
|
2015-10-15 14:07:19 +00:00
|
|
|
|
return &Tx{
|
|
|
|
|
tx: t,
|
|
|
|
|
To: t.To(),
|
|
|
|
|
From: from,
|
|
|
|
|
Value: rpc.NewHexNumber(t.Value()),
|
|
|
|
|
Nonce: rpc.NewHexNumber(t.Nonce()),
|
|
|
|
|
Data: "0x" + common.Bytes2Hex(t.Data()),
|
|
|
|
|
GasLimit: rpc.NewHexNumber(t.Gas()),
|
|
|
|
|
GasPrice: rpc.NewHexNumber(t.GasPrice()),
|
|
|
|
|
Hash: t.Hash(),
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// SignTransaction will sign the given transaction with the from account.
|
|
|
|
|
// The node needs to have the private key of the account corresponding with
|
|
|
|
|
// the given from address and it needs to be unlocked.
|
2016-03-14 08:38:54 +00:00
|
|
|
|
func (s *PublicTransactionPoolAPI) SignTransaction(args SignTransactionArgs) (*SignTransactionResult, error) {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if args.Gas == nil {
|
|
|
|
|
args.Gas = rpc.NewHexNumber(defaultGas)
|
|
|
|
|
}
|
|
|
|
|
if args.GasPrice == nil {
|
2016-02-10 12:20:03 +00:00
|
|
|
|
args.GasPrice = rpc.NewHexNumber(s.gpo.SuggestPrice())
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
if args.Value == nil {
|
|
|
|
|
args.Value = rpc.NewHexNumber(0)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
s.txMu.Lock()
|
|
|
|
|
defer s.txMu.Unlock()
|
|
|
|
|
|
|
|
|
|
if args.Nonce == nil {
|
|
|
|
|
args.Nonce = rpc.NewHexNumber(s.txPool.State().GetNonce(args.From))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var tx *types.Transaction
|
2016-02-15 09:13:39 +00:00
|
|
|
|
contractCreation := (args.To == nil)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
|
|
|
|
if contractCreation {
|
|
|
|
|
tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
|
|
|
|
|
} else {
|
2016-02-15 09:13:39 +00:00
|
|
|
|
tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
signedTx, err := s.sign(args.From, tx)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
data, err := rlp.EncodeToBytes(signedTx)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return &SignTransactionResult{"0x" + common.Bytes2Hex(data), newTx(tx)}, nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// PendingTransactions returns the transactions that are in the transaction pool and have a from address that is one of
|
|
|
|
|
// the accounts this node manages.
|
2016-03-03 00:09:16 +00:00
|
|
|
|
func (s *PublicTransactionPoolAPI) PendingTransactions() []*RPCTransaction {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
pending := s.txPool.GetTransactions()
|
|
|
|
|
transactions := make([]*RPCTransaction, 0)
|
|
|
|
|
for _, tx := range pending {
|
2016-03-03 00:09:16 +00:00
|
|
|
|
from, _ := tx.FromFrontier()
|
|
|
|
|
if s.am.HasAddress(from) {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
transactions = append(transactions, newRPCPendingTransaction(tx))
|
|
|
|
|
}
|
|
|
|
|
}
|
2016-03-03 00:09:16 +00:00
|
|
|
|
return transactions
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewPendingTransaction creates a subscription that is triggered each time a transaction enters the transaction pool
|
|
|
|
|
// and is send from one of the transactions this nodes manages.
|
2016-03-29 13:07:40 +00:00
|
|
|
|
func (s *PublicTransactionPoolAPI) NewPendingTransactions(ctx context.Context) (rpc.Subscription, error) {
|
2016-04-15 16:05:24 +00:00
|
|
|
|
notifier, supported := rpc.NotifierFromContext(ctx)
|
2016-03-29 13:07:40 +00:00
|
|
|
|
if !supported {
|
|
|
|
|
return nil, rpc.ErrNotificationsUnsupported
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
2016-03-29 13:07:40 +00:00
|
|
|
|
subscription, err := notifier.NewSubscription(func(id string) {
|
|
|
|
|
s.muPendingTxSubs.Lock()
|
|
|
|
|
delete(s.pendingTxSubs, id)
|
|
|
|
|
s.muPendingTxSubs.Unlock()
|
|
|
|
|
})
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
2016-03-29 13:07:40 +00:00
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
2016-03-29 13:07:40 +00:00
|
|
|
|
s.muPendingTxSubs.Lock()
|
|
|
|
|
s.pendingTxSubs[subscription.ID()] = subscription
|
|
|
|
|
s.muPendingTxSubs.Unlock()
|
|
|
|
|
|
|
|
|
|
return subscription, nil
|
2015-10-15 14:07:19 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Resend accepts an existing transaction and a new gas price and limit. It will remove the given transaction from the
|
|
|
|
|
// pool and reinsert it with the new gas price and limit.
|
2016-03-14 08:38:54 +00:00
|
|
|
|
func (s *PublicTransactionPoolAPI) Resend(tx Tx, gasPrice, gasLimit *rpc.HexNumber) (common.Hash, error) {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
|
|
|
|
|
pending := s.txPool.GetTransactions()
|
|
|
|
|
for _, p := range pending {
|
2016-02-20 11:02:32 +00:00
|
|
|
|
if pFrom, err := p.FromFrontier(); err == nil && pFrom == tx.From && p.SigHash() == tx.tx.SigHash() {
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if gasPrice == nil {
|
|
|
|
|
gasPrice = rpc.NewHexNumber(tx.tx.GasPrice())
|
|
|
|
|
}
|
|
|
|
|
if gasLimit == nil {
|
|
|
|
|
gasLimit = rpc.NewHexNumber(tx.tx.Gas())
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var newTx *types.Transaction
|
2016-02-15 09:13:39 +00:00
|
|
|
|
contractCreation := (tx.tx.To() == nil)
|
2015-10-15 14:07:19 +00:00
|
|
|
|
if contractCreation {
|
|
|
|
|
newTx = types.NewContractCreation(tx.tx.Nonce(), tx.tx.Value(), gasPrice.BigInt(), gasLimit.BigInt(), tx.tx.Data())
|
|
|
|
|
} else {
|
|
|
|
|
newTx = types.NewTransaction(tx.tx.Nonce(), *tx.tx.To(), tx.tx.Value(), gasPrice.BigInt(), gasLimit.BigInt(), tx.tx.Data())
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
signedTx, err := s.sign(tx.From, newTx)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return common.Hash{}, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
s.txPool.RemoveTx(tx.Hash)
|
|
|
|
|
if err = s.txPool.Add(signedTx); err != nil {
|
|
|
|
|
return common.Hash{}, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return signedTx.Hash(), nil
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return common.Hash{}, fmt.Errorf("Transaction %#x not found", tx.Hash)
|
|
|
|
|
}
|
2015-12-04 18:56:11 +00:00
|
|
|
|
|
|
|
|
|
// PrivateAdminAPI is the collection of Etheruem APIs exposed over the private
|
|
|
|
|
// admin endpoint.
|
|
|
|
|
type PrivateAdminAPI struct {
|
|
|
|
|
eth *Ethereum
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewPrivateAdminAPI creates a new API definition for the private admin methods
|
|
|
|
|
// of the Ethereum service.
|
|
|
|
|
func NewPrivateAdminAPI(eth *Ethereum) *PrivateAdminAPI {
|
|
|
|
|
return &PrivateAdminAPI{eth: eth}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// SetSolc sets the Solidity compiler path to be used by the node.
|
|
|
|
|
func (api *PrivateAdminAPI) SetSolc(path string) (string, error) {
|
|
|
|
|
solc, err := api.eth.SetSolc(path)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return "", err
|
|
|
|
|
}
|
|
|
|
|
return solc.Info(), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ExportChain exports the current blockchain into a local file.
|
|
|
|
|
func (api *PrivateAdminAPI) ExportChain(file string) (bool, error) {
|
|
|
|
|
// 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()
|
|
|
|
|
|
|
|
|
|
// Export the blockchain
|
|
|
|
|
if err := api.eth.BlockChain().Export(out); err != nil {
|
|
|
|
|
return false, err
|
|
|
|
|
}
|
|
|
|
|
return true, nil
|
|
|
|
|
}
|
|
|
|
|
|
2015-12-16 09:58:01 +00:00
|
|
|
|
func hasAllBlocks(chain *core.BlockChain, bs []*types.Block) bool {
|
|
|
|
|
for _, b := range bs {
|
|
|
|
|
if !chain.HasBlock(b.Hash()) {
|
|
|
|
|
return false
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return true
|
|
|
|
|
}
|
|
|
|
|
|
2015-12-04 18:56:11 +00:00
|
|
|
|
// 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()
|
|
|
|
|
|
|
|
|
|
// Run actual the import in pre-configured batches
|
|
|
|
|
stream := rlp.NewStream(in, 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
|
|
|
|
|
}
|
2015-12-16 09:58:01 +00:00
|
|
|
|
|
|
|
|
|
if hasAllBlocks(api.eth.BlockChain(), blocks) {
|
|
|
|
|
blocks = blocks[:0]
|
|
|
|
|
continue
|
|
|
|
|
}
|
2015-12-04 18:56:11 +00:00
|
|
|
|
// 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 Etheruem APIs exposed over the public
|
|
|
|
|
// debugging endpoint.
|
|
|
|
|
type PublicDebugAPI struct {
|
|
|
|
|
eth *Ethereum
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewPublicDebugAPI creates a new API definition for the 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.
|
|
|
|
|
func (api *PublicDebugAPI) DumpBlock(number uint64) (state.World, error) {
|
|
|
|
|
block := api.eth.BlockChain().GetBlockByNumber(number)
|
|
|
|
|
if block == nil {
|
|
|
|
|
return state.World{}, fmt.Errorf("block #%d not found", number)
|
|
|
|
|
}
|
|
|
|
|
stateDb, err := state.New(block.Root(), api.eth.ChainDb())
|
|
|
|
|
if err != nil {
|
|
|
|
|
return state.World{}, err
|
|
|
|
|
}
|
|
|
|
|
return stateDb.RawDump(), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// GetBlockRlp retrieves the RLP encoded for of a single block.
|
|
|
|
|
func (api *PublicDebugAPI) GetBlockRlp(number uint64) (string, error) {
|
|
|
|
|
block := api.eth.BlockChain().GetBlockByNumber(number)
|
|
|
|
|
if block == nil {
|
|
|
|
|
return "", fmt.Errorf("block #%d not found", number)
|
|
|
|
|
}
|
|
|
|
|
encoded, err := rlp.EncodeToBytes(block)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return "", err
|
|
|
|
|
}
|
|
|
|
|
return fmt.Sprintf("%x", encoded), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// PrintBlock retrieves a block and returns its pretty printed form.
|
|
|
|
|
func (api *PublicDebugAPI) PrintBlock(number uint64) (string, error) {
|
|
|
|
|
block := api.eth.BlockChain().GetBlockByNumber(number)
|
|
|
|
|
if block == nil {
|
|
|
|
|
return "", fmt.Errorf("block #%d not found", number)
|
|
|
|
|
}
|
|
|
|
|
return fmt.Sprintf("%s", block), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// SeedHash retrieves the seed hash of a block.
|
|
|
|
|
func (api *PublicDebugAPI) SeedHash(number uint64) (string, error) {
|
|
|
|
|
block := api.eth.BlockChain().GetBlockByNumber(number)
|
|
|
|
|
if block == nil {
|
|
|
|
|
return "", fmt.Errorf("block #%d not found", number)
|
|
|
|
|
}
|
|
|
|
|
hash, err := ethash.GetSeedHash(number)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return "", err
|
|
|
|
|
}
|
|
|
|
|
return fmt.Sprintf("0x%x", hash), nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// PrivateDebugAPI is the collection of Etheruem APIs exposed over the private
|
|
|
|
|
// debugging endpoint.
|
|
|
|
|
type PrivateDebugAPI struct {
|
2016-03-01 22:32:43 +00:00
|
|
|
|
config *core.ChainConfig
|
|
|
|
|
eth *Ethereum
|
2015-12-04 18:56:11 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// NewPrivateDebugAPI creates a new API definition for the private debug methods
|
|
|
|
|
// of the Ethereum service.
|
2016-03-01 22:32:43 +00:00
|
|
|
|
func NewPrivateDebugAPI(config *core.ChainConfig, eth *Ethereum) *PrivateDebugAPI {
|
|
|
|
|
return &PrivateDebugAPI{config: config, eth: eth}
|
2015-12-04 18:56:11 +00:00
|
|
|
|
}
|
|
|
|
|
|
2016-02-20 13:36:34 +00:00
|
|
|
|
// ChaindbProperty returns leveldb properties of the chain database.
|
|
|
|
|
func (api *PrivateDebugAPI) ChaindbProperty(property string) (string, error) {
|
|
|
|
|
ldb, ok := api.eth.chainDb.(interface {
|
|
|
|
|
LDB() *leveldb.DB
|
|
|
|
|
})
|
|
|
|
|
if !ok {
|
|
|
|
|
return "", fmt.Errorf("chaindbProperty does not work for memory databases")
|
|
|
|
|
}
|
|
|
|
|
if property == "" {
|
|
|
|
|
property = "leveldb.stats"
|
|
|
|
|
} else if !strings.HasPrefix(property, "leveldb.") {
|
|
|
|
|
property = "leveldb." + property
|
|
|
|
|
}
|
|
|
|
|
return ldb.LDB().GetProperty(property)
|
|
|
|
|
}
|
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
// BlockTraceResults is the returned value when replaying a block to check for
|
|
|
|
|
// consensus results and full VM trace logs for all included transactions.
|
|
|
|
|
type BlockTraceResult struct {
|
2016-03-31 14:41:26 +00:00
|
|
|
|
Validated bool `json:"validated"`
|
2016-02-03 22:47:58 +00:00
|
|
|
|
StructLogs []structLogRes `json:"structLogs"`
|
2016-03-31 14:41:26 +00:00
|
|
|
|
Error string `json:"error"`
|
2016-02-03 22:47:58 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TraceBlock processes the given block's RLP but does not import the block in to
|
|
|
|
|
// the chain.
|
2016-04-14 12:10:29 +00:00
|
|
|
|
func (api *PrivateDebugAPI) TraceBlock(blockRlp []byte, config *vm.Config) BlockTraceResult {
|
2016-02-03 22:47:58 +00:00
|
|
|
|
var block types.Block
|
|
|
|
|
err := rlp.Decode(bytes.NewReader(blockRlp), &block)
|
|
|
|
|
if err != nil {
|
2016-03-31 14:41:26 +00:00
|
|
|
|
return BlockTraceResult{Error: fmt.Sprintf("could not decode block: %v", err)}
|
2016-02-03 22:47:58 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
validated, logs, err := api.traceBlock(&block, config)
|
|
|
|
|
return BlockTraceResult{
|
|
|
|
|
Validated: validated,
|
|
|
|
|
StructLogs: formatLogs(logs),
|
2016-03-31 15:15:38 +00:00
|
|
|
|
Error: formatError(err),
|
2016-02-03 22:47:58 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TraceBlockFromFile loads the block's RLP from the given file name and attempts to
|
|
|
|
|
// process it but does not import the block in to the chain.
|
2016-04-14 12:10:29 +00:00
|
|
|
|
func (api *PrivateDebugAPI) TraceBlockFromFile(file string, config *vm.Config) BlockTraceResult {
|
2016-02-03 22:47:58 +00:00
|
|
|
|
blockRlp, err := ioutil.ReadFile(file)
|
|
|
|
|
if err != nil {
|
2016-03-31 14:41:26 +00:00
|
|
|
|
return BlockTraceResult{Error: fmt.Sprintf("could not read file: %v", err)}
|
2016-02-03 22:47:58 +00:00
|
|
|
|
}
|
|
|
|
|
return api.TraceBlock(blockRlp, config)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TraceProcessBlock processes the block by canonical block number.
|
2016-04-14 12:10:29 +00:00
|
|
|
|
func (api *PrivateDebugAPI) TraceBlockByNumber(number uint64, config *vm.Config) BlockTraceResult {
|
2015-12-04 18:56:11 +00:00
|
|
|
|
// Fetch the block that we aim to reprocess
|
|
|
|
|
block := api.eth.BlockChain().GetBlockByNumber(number)
|
|
|
|
|
if block == nil {
|
2016-03-31 14:41:26 +00:00
|
|
|
|
return BlockTraceResult{Error: fmt.Sprintf("block #%d not found", number)}
|
2016-02-03 22:47:58 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
validated, logs, err := api.traceBlock(block, config)
|
|
|
|
|
return BlockTraceResult{
|
|
|
|
|
Validated: validated,
|
|
|
|
|
StructLogs: formatLogs(logs),
|
2016-03-31 15:15:38 +00:00
|
|
|
|
Error: formatError(err),
|
2016-02-03 22:47:58 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TraceBlockByHash processes the block by hash.
|
2016-04-14 12:10:29 +00:00
|
|
|
|
func (api *PrivateDebugAPI) TraceBlockByHash(hash common.Hash, config *vm.Config) BlockTraceResult {
|
2016-02-03 22:47:58 +00:00
|
|
|
|
// Fetch the block that we aim to reprocess
|
|
|
|
|
block := api.eth.BlockChain().GetBlock(hash)
|
|
|
|
|
if block == nil {
|
2016-03-31 14:41:26 +00:00
|
|
|
|
return BlockTraceResult{Error: fmt.Sprintf("block #%x not found", hash)}
|
2015-12-04 18:56:11 +00:00
|
|
|
|
}
|
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
validated, logs, err := api.traceBlock(block, config)
|
|
|
|
|
return BlockTraceResult{
|
|
|
|
|
Validated: validated,
|
|
|
|
|
StructLogs: formatLogs(logs),
|
2016-03-31 15:15:38 +00:00
|
|
|
|
Error: formatError(err),
|
2016-02-03 22:47:58 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TraceCollector collects EVM structered logs.
|
|
|
|
|
//
|
|
|
|
|
// TraceCollector implements vm.Collector
|
|
|
|
|
type TraceCollector struct {
|
|
|
|
|
traces []vm.StructLog
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// AddStructLog adds a structered log.
|
|
|
|
|
func (t *TraceCollector) AddStructLog(slog vm.StructLog) {
|
|
|
|
|
t.traces = append(t.traces, slog)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// traceBlock processes the given block but does not save the state.
|
2016-04-14 12:10:29 +00:00
|
|
|
|
func (api *PrivateDebugAPI) traceBlock(block *types.Block, config *vm.Config) (bool, []vm.StructLog, error) {
|
2015-12-04 18:56:11 +00:00
|
|
|
|
// Validate and reprocess the block
|
|
|
|
|
var (
|
|
|
|
|
blockchain = api.eth.BlockChain()
|
|
|
|
|
validator = blockchain.Validator()
|
|
|
|
|
processor = blockchain.Processor()
|
2016-02-03 22:47:58 +00:00
|
|
|
|
collector = &TraceCollector{}
|
2015-12-04 18:56:11 +00:00
|
|
|
|
)
|
2016-04-14 12:10:29 +00:00
|
|
|
|
if config == nil {
|
|
|
|
|
config = new(vm.Config)
|
|
|
|
|
}
|
2016-02-03 22:47:58 +00:00
|
|
|
|
config.Debug = true // make sure debug is set.
|
|
|
|
|
config.Logger.Collector = collector
|
|
|
|
|
|
2016-03-01 22:32:43 +00:00
|
|
|
|
if err := core.ValidateHeader(api.config, blockchain.AuxValidator(), block.Header(), blockchain.GetHeader(block.ParentHash()), true, false); err != nil {
|
2016-02-03 22:47:58 +00:00
|
|
|
|
return false, collector.traces, err
|
2015-12-04 18:56:11 +00:00
|
|
|
|
}
|
|
|
|
|
statedb, err := state.New(blockchain.GetBlock(block.ParentHash()).Root(), api.eth.ChainDb())
|
|
|
|
|
if err != nil {
|
2016-02-03 22:47:58 +00:00
|
|
|
|
return false, collector.traces, err
|
2015-12-04 18:56:11 +00:00
|
|
|
|
}
|
2016-02-03 22:47:58 +00:00
|
|
|
|
|
2016-04-14 12:10:29 +00:00
|
|
|
|
receipts, _, usedGas, err := processor.Process(block, statedb, *config)
|
2015-12-04 18:56:11 +00:00
|
|
|
|
if err != nil {
|
2016-02-03 22:47:58 +00:00
|
|
|
|
return false, collector.traces, err
|
2015-12-04 18:56:11 +00:00
|
|
|
|
}
|
|
|
|
|
if err := validator.ValidateState(block, blockchain.GetBlock(block.ParentHash()), statedb, receipts, usedGas); err != nil {
|
2016-02-03 22:47:58 +00:00
|
|
|
|
return false, collector.traces, err
|
2015-12-04 18:56:11 +00:00
|
|
|
|
}
|
2016-02-03 22:47:58 +00:00
|
|
|
|
return true, collector.traces, nil
|
2015-12-04 18:56:11 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// SetHead rewinds the head of the blockchain to a previous block.
|
|
|
|
|
func (api *PrivateDebugAPI) SetHead(number uint64) {
|
|
|
|
|
api.eth.BlockChain().SetHead(number)
|
|
|
|
|
}
|
2015-12-16 09:58:01 +00:00
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
// ExecutionResult groups all structured logs emitted by the EVM
|
|
|
|
|
// while replaying a transaction in debug mode as well as the amount of
|
|
|
|
|
// gas used and the return value
|
|
|
|
|
type ExecutionResult struct {
|
|
|
|
|
Gas *big.Int `json:"gas"`
|
|
|
|
|
ReturnValue string `json:"returnValue"`
|
|
|
|
|
StructLogs []structLogRes `json:"structLogs"`
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// structLogRes stores a structured log emitted by the EVM while replaying a
|
2016-01-28 18:21:05 +00:00
|
|
|
|
// transaction in debug mode
|
|
|
|
|
type structLogRes struct {
|
|
|
|
|
Pc uint64 `json:"pc"`
|
|
|
|
|
Op string `json:"op"`
|
|
|
|
|
Gas *big.Int `json:"gas"`
|
|
|
|
|
GasCost *big.Int `json:"gasCost"`
|
2016-03-14 14:58:14 +00:00
|
|
|
|
Depth int `json:"depth"`
|
2016-03-31 14:41:26 +00:00
|
|
|
|
Error string `json:"error"`
|
2016-01-28 18:21:05 +00:00
|
|
|
|
Stack []string `json:"stack"`
|
2016-02-03 22:47:58 +00:00
|
|
|
|
Memory []string `json:"memory"`
|
2016-01-28 18:21:05 +00:00
|
|
|
|
Storage map[string]string `json:"storage"`
|
|
|
|
|
}
|
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
// VmLoggerOptions are the options used for debugging transactions and capturing
|
|
|
|
|
// specific data.
|
|
|
|
|
type VmLoggerOptions struct {
|
|
|
|
|
DisableMemory bool // disable memory capture
|
|
|
|
|
DisableStack bool // disable stack capture
|
|
|
|
|
DisableStorage bool // disable storage capture
|
|
|
|
|
FullStorage bool // show full storage (slow)
|
2016-01-28 18:21:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
// formatLogs formats EVM returned structured logs for json output
|
|
|
|
|
func formatLogs(structLogs []vm.StructLog) []structLogRes {
|
|
|
|
|
formattedStructLogs := make([]structLogRes, len(structLogs))
|
|
|
|
|
for index, trace := range structLogs {
|
|
|
|
|
formattedStructLogs[index] = structLogRes{
|
|
|
|
|
Pc: trace.Pc,
|
|
|
|
|
Op: trace.Op.String(),
|
|
|
|
|
Gas: trace.Gas,
|
|
|
|
|
GasCost: trace.GasCost,
|
2016-03-14 14:58:14 +00:00
|
|
|
|
Depth: trace.Depth,
|
2016-03-31 15:15:38 +00:00
|
|
|
|
Error: formatError(trace.Err),
|
2016-02-03 22:47:58 +00:00
|
|
|
|
Stack: make([]string, len(trace.Stack)),
|
|
|
|
|
Storage: make(map[string]string),
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for i, stackValue := range trace.Stack {
|
|
|
|
|
formattedStructLogs[index].Stack[i] = fmt.Sprintf("%x", common.LeftPadBytes(stackValue.Bytes(), 32))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for i := 0; i+32 <= len(trace.Memory); i += 32 {
|
|
|
|
|
formattedStructLogs[index].Memory = append(formattedStructLogs[index].Memory, fmt.Sprintf("%x", trace.Memory[i:i+32]))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for i, storageValue := range trace.Storage {
|
|
|
|
|
formattedStructLogs[index].Storage[fmt.Sprintf("%x", i)] = fmt.Sprintf("%x", storageValue)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return formattedStructLogs
|
|
|
|
|
}
|
|
|
|
|
|
2016-03-31 15:15:38 +00:00
|
|
|
|
// formatError formats a Go error into either an empty string or the data content
|
|
|
|
|
// of the error itself.
|
|
|
|
|
func formatError(err error) string {
|
|
|
|
|
if err == nil {
|
|
|
|
|
return ""
|
|
|
|
|
}
|
|
|
|
|
return err.Error()
|
|
|
|
|
}
|
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
// TraceTransaction returns the structured logs created during the execution of EVM
|
|
|
|
|
// and returns them as a JSON object.
|
2016-04-14 12:10:29 +00:00
|
|
|
|
func (s *PrivateDebugAPI) TraceTransaction(txHash common.Hash, logger *vm.LogConfig) (*ExecutionResult, error) {
|
|
|
|
|
if logger == nil {
|
|
|
|
|
logger = new(vm.LogConfig)
|
|
|
|
|
}
|
2016-04-14 11:29:47 +00:00
|
|
|
|
// Retrieve the tx from the chain and the containing block
|
|
|
|
|
tx, blockHash, _, txIndex := core.GetTransaction(s.eth.ChainDb(), txHash)
|
2016-01-28 18:21:05 +00:00
|
|
|
|
if tx == nil {
|
2016-04-14 11:29:47 +00:00
|
|
|
|
return nil, fmt.Errorf("transaction %x not found", txHash)
|
2016-01-28 18:21:05 +00:00
|
|
|
|
}
|
2016-04-14 11:29:47 +00:00
|
|
|
|
block := s.eth.BlockChain().GetBlock(blockHash)
|
2016-01-28 18:21:05 +00:00
|
|
|
|
if block == nil {
|
2016-04-14 11:29:47 +00:00
|
|
|
|
return nil, fmt.Errorf("block %x not found", blockHash)
|
2016-01-28 18:21:05 +00:00
|
|
|
|
}
|
2016-04-14 11:29:47 +00:00
|
|
|
|
// Create the state database to mutate and eventually trace
|
|
|
|
|
parent := s.eth.BlockChain().GetBlock(block.ParentHash())
|
|
|
|
|
if parent == nil {
|
|
|
|
|
return nil, fmt.Errorf("block parent %x not found", block.ParentHash())
|
2016-01-28 18:21:05 +00:00
|
|
|
|
}
|
2016-04-14 11:29:47 +00:00
|
|
|
|
stateDb, err := state.New(parent.Root(), s.eth.ChainDb())
|
2016-01-28 18:21:05 +00:00
|
|
|
|
if err != nil {
|
2016-04-14 11:29:47 +00:00
|
|
|
|
return nil, err
|
2016-01-28 18:21:05 +00:00
|
|
|
|
}
|
2016-04-14 11:29:47 +00:00
|
|
|
|
// Mutate the state and trace the selected transaction
|
|
|
|
|
for idx, tx := range block.Transactions() {
|
|
|
|
|
// Assemble the transaction call message
|
|
|
|
|
from, err := tx.FromFrontier()
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, fmt.Errorf("sender retrieval failed: %v", err)
|
|
|
|
|
}
|
|
|
|
|
msg := callmsg{
|
|
|
|
|
from: stateDb.GetOrNewStateObject(from),
|
|
|
|
|
to: tx.To(),
|
|
|
|
|
gas: tx.Gas(),
|
|
|
|
|
gasPrice: tx.GasPrice(),
|
|
|
|
|
value: tx.Value(),
|
|
|
|
|
data: tx.Data(),
|
|
|
|
|
}
|
|
|
|
|
// Mutate the state if we haven't reached the tracing transaction yet
|
|
|
|
|
if uint64(idx) < txIndex {
|
2016-05-09 07:59:27 +00:00
|
|
|
|
vmenv := core.NewEnv(stateDb, s.config, s.eth.BlockChain(), msg, block.Header(), vm.Config{})
|
2016-04-14 11:29:47 +00:00
|
|
|
|
_, _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas()))
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, fmt.Errorf("mutation failed: %v", err)
|
|
|
|
|
}
|
|
|
|
|
continue
|
|
|
|
|
}
|
|
|
|
|
// Otherwise trace the transaction and return
|
2016-05-09 07:59:27 +00:00
|
|
|
|
vmenv := core.NewEnv(stateDb, s.config, s.eth.BlockChain(), msg, block.Header(), vm.Config{Debug: true, Logger: *logger})
|
2016-04-14 11:29:47 +00:00
|
|
|
|
ret, gas, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas()))
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, fmt.Errorf("tracing failed: %v", err)
|
|
|
|
|
}
|
|
|
|
|
return &ExecutionResult{
|
|
|
|
|
Gas: gas,
|
|
|
|
|
ReturnValue: fmt.Sprintf("%x", ret),
|
|
|
|
|
StructLogs: formatLogs(vmenv.StructLogs()),
|
|
|
|
|
}, nil
|
2016-01-28 18:21:05 +00:00
|
|
|
|
}
|
2016-04-14 11:29:47 +00:00
|
|
|
|
return nil, errors.New("database inconsistency")
|
2016-01-28 18:21:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
func (s *PublicBlockChainAPI) TraceCall(args CallArgs, blockNr rpc.BlockNumber) (*ExecutionResult, error) {
|
|
|
|
|
// Fetch the state associated with the block number
|
|
|
|
|
stateDb, block, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
|
|
|
|
|
if stateDb == nil || err != nil {
|
2016-01-28 18:21:05 +00:00
|
|
|
|
return nil, err
|
|
|
|
|
}
|
2016-02-03 22:47:58 +00:00
|
|
|
|
stateDb = stateDb.Copy()
|
2016-01-28 18:21:05 +00:00
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
// Retrieve the account state object to interact with
|
|
|
|
|
var from *state.StateObject
|
|
|
|
|
if args.From == (common.Address{}) {
|
2016-03-03 00:09:16 +00:00
|
|
|
|
accounts := s.am.Accounts()
|
|
|
|
|
if len(accounts) == 0 {
|
2016-02-03 22:47:58 +00:00
|
|
|
|
from = stateDb.GetOrNewStateObject(common.Address{})
|
|
|
|
|
} else {
|
|
|
|
|
from = stateDb.GetOrNewStateObject(accounts[0].Address)
|
2016-01-28 18:21:05 +00:00
|
|
|
|
}
|
2016-02-03 22:47:58 +00:00
|
|
|
|
} else {
|
|
|
|
|
from = stateDb.GetOrNewStateObject(args.From)
|
|
|
|
|
}
|
|
|
|
|
from.SetBalance(common.MaxBig)
|
2016-01-28 18:21:05 +00:00
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
// Assemble the CALL invocation
|
|
|
|
|
msg := callmsg{
|
|
|
|
|
from: from,
|
|
|
|
|
to: args.To,
|
|
|
|
|
gas: args.Gas.BigInt(),
|
|
|
|
|
gasPrice: args.GasPrice.BigInt(),
|
|
|
|
|
value: args.Value.BigInt(),
|
|
|
|
|
data: common.FromHex(args.Data),
|
|
|
|
|
}
|
|
|
|
|
if msg.gas.Cmp(common.Big0) == 0 {
|
|
|
|
|
msg.gas = big.NewInt(50000000)
|
|
|
|
|
}
|
|
|
|
|
if msg.gasPrice.Cmp(common.Big0) == 0 {
|
|
|
|
|
msg.gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
|
|
|
|
|
}
|
2016-01-28 18:21:05 +00:00
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
// Execute the call and return
|
2016-03-01 22:32:43 +00:00
|
|
|
|
vmenv := core.NewEnv(stateDb, s.config, s.bc, msg, block.Header(), vm.Config{
|
|
|
|
|
Debug: true,
|
|
|
|
|
})
|
2016-02-03 22:47:58 +00:00
|
|
|
|
gp := new(core.GasPool).AddGas(common.MaxBig)
|
2016-01-28 18:21:05 +00:00
|
|
|
|
|
2016-02-03 22:47:58 +00:00
|
|
|
|
ret, gas, err := core.ApplyMessage(vmenv, msg, gp)
|
|
|
|
|
return &ExecutionResult{
|
|
|
|
|
Gas: gas,
|
|
|
|
|
ReturnValue: fmt.Sprintf("%x", ret),
|
|
|
|
|
StructLogs: formatLogs(vmenv.StructLogs()),
|
|
|
|
|
}, nil
|
2016-01-28 18:21:05 +00:00
|
|
|
|
}
|
|
|
|
|
|
2015-12-16 09:58:01 +00:00
|
|
|
|
// PublicNetAPI offers network related RPC methods
|
|
|
|
|
type PublicNetAPI struct {
|
|
|
|
|
net *p2p.Server
|
|
|
|
|
networkVersion int
|
|
|
|
|
}
|
|
|
|
|
|
2016-03-15 18:27:49 +00:00
|
|
|
|
// NewPublicNetAPI creates a new net API instance.
|
2015-12-16 09:58:01 +00:00
|
|
|
|
func NewPublicNetAPI(net *p2p.Server, networkVersion int) *PublicNetAPI {
|
|
|
|
|
return &PublicNetAPI{net, networkVersion}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Listening returns an indication if the node is listening for network connections.
|
|
|
|
|
func (s *PublicNetAPI) Listening() bool {
|
|
|
|
|
return true // always listening
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Peercount returns the number of connected peers
|
|
|
|
|
func (s *PublicNetAPI) PeerCount() *rpc.HexNumber {
|
|
|
|
|
return rpc.NewHexNumber(s.net.PeerCount())
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// ProtocolVersion returns the current ethereum protocol version.
|
|
|
|
|
func (s *PublicNetAPI) Version() string {
|
|
|
|
|
return fmt.Sprintf("%d", s.networkVersion)
|
|
|
|
|
}
|