forked from cerc-io/plugeth
1046 lines
26 KiB
Go
1046 lines
26 KiB
Go
// eXtended ETHereum
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package xeth
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"math/big"
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"sync"
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"time"
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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/crypto"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/event/filter"
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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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"github.com/ethereum/go-ethereum/miner"
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"github.com/ethereum/go-ethereum/rlp"
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)
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var (
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filterTickerTime = 5 * time.Minute
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defaultGasPrice = big.NewInt(10000000000000) //150000000000
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defaultGas = big.NewInt(90000) //500000
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dappStorePre = []byte("dapp-")
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)
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// byte will be inferred
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const (
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UnknownFilterTy = iota
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BlockFilterTy
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TransactionFilterTy
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LogFilterTy
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)
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func DefaultGas() *big.Int { return new(big.Int).Set(defaultGas) }
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func (self *XEth) DefaultGasPrice() *big.Int {
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if self.gpo == nil {
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self.gpo = eth.NewGasPriceOracle(self.backend)
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}
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return self.gpo.SuggestPrice()
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}
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type XEth struct {
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backend *eth.Ethereum
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frontend Frontend
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state *State
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whisper *Whisper
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quit chan struct{}
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filterManager *filter.FilterManager
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logMu sync.RWMutex
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logQueue map[int]*logQueue
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blockMu sync.RWMutex
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blockQueue map[int]*hashQueue
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transactionMu sync.RWMutex
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transactionQueue map[int]*hashQueue
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messagesMu sync.RWMutex
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messages map[int]*whisperFilter
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// regmut sync.Mutex
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// register map[string][]*interface{} // TODO improve return type
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agent *miner.RemoteAgent
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gpo *eth.GasPriceOracle
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}
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func NewTest(eth *eth.Ethereum, frontend Frontend) *XEth {
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return &XEth{
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backend: eth,
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frontend: frontend,
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}
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}
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// New creates an XEth that uses the given frontend.
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// If a nil Frontend is provided, a default frontend which
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// confirms all transactions will be used.
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func New(ethereum *eth.Ethereum, frontend Frontend) *XEth {
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xeth := &XEth{
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backend: ethereum,
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frontend: frontend,
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quit: make(chan struct{}),
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filterManager: filter.NewFilterManager(ethereum.EventMux()),
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logQueue: make(map[int]*logQueue),
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blockQueue: make(map[int]*hashQueue),
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transactionQueue: make(map[int]*hashQueue),
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messages: make(map[int]*whisperFilter),
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agent: miner.NewRemoteAgent(),
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}
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if ethereum.Whisper() != nil {
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xeth.whisper = NewWhisper(ethereum.Whisper())
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}
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ethereum.Miner().Register(xeth.agent)
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if frontend == nil {
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xeth.frontend = dummyFrontend{}
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}
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xeth.state = NewState(xeth, xeth.backend.ChainManager().TransState())
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go xeth.start()
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go xeth.filterManager.Start()
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return xeth
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}
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func (self *XEth) start() {
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timer := time.NewTicker(2 * time.Second)
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done:
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for {
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select {
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case <-timer.C:
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self.logMu.Lock()
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for id, filter := range self.logQueue {
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if time.Since(filter.timeout) > filterTickerTime {
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self.filterManager.UninstallFilter(id)
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delete(self.logQueue, id)
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}
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}
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self.logMu.Unlock()
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self.blockMu.Lock()
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for id, filter := range self.blockQueue {
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if time.Since(filter.timeout) > filterTickerTime {
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self.filterManager.UninstallFilter(id)
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delete(self.blockQueue, id)
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}
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}
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self.blockMu.Unlock()
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self.transactionMu.Lock()
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for id, filter := range self.transactionQueue {
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if time.Since(filter.timeout) > filterTickerTime {
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self.filterManager.UninstallFilter(id)
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delete(self.transactionQueue, id)
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}
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}
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self.transactionMu.Unlock()
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self.messagesMu.Lock()
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for id, filter := range self.messages {
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if time.Since(filter.activity()) > filterTickerTime {
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self.Whisper().Unwatch(id)
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delete(self.messages, id)
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}
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}
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self.messagesMu.Unlock()
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case <-self.quit:
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break done
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}
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}
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}
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func (self *XEth) stop() {
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close(self.quit)
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}
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func cAddress(a []string) []common.Address {
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bslice := make([]common.Address, len(a))
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for i, addr := range a {
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bslice[i] = common.HexToAddress(addr)
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}
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return bslice
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}
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func cTopics(t [][]string) [][]common.Hash {
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topics := make([][]common.Hash, len(t))
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for i, iv := range t {
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topics[i] = make([]common.Hash, len(iv))
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for j, jv := range iv {
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topics[i][j] = common.HexToHash(jv)
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}
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}
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return topics
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}
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func (self *XEth) RemoteMining() *miner.RemoteAgent { return self.agent }
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func (self *XEth) AtStateNum(num int64) *XEth {
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var st *state.StateDB
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switch num {
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case -2:
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st = self.backend.Miner().PendingState().Copy()
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default:
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if block := self.getBlockByHeight(num); block != nil {
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st = state.New(block.Root(), self.backend.StateDb())
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} else {
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st = state.New(self.backend.ChainManager().GetBlockByNumber(0).Root(), self.backend.StateDb())
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}
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}
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return self.WithState(st)
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}
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// applies queued transactions originating from address onto the latest state
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// and creates a block
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// only used in tests
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// - could be removed in favour of mining on testdag (natspec e2e + networking)
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// + filters
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func (self *XEth) ApplyTestTxs(statedb *state.StateDB, address common.Address, txc uint64) (uint64, *XEth) {
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chain := self.backend.ChainManager()
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header := chain.CurrentBlock().Header()
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coinbase := statedb.GetStateObject(address)
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coinbase.SetGasLimit(big.NewInt(10000000))
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txs := self.backend.TxPool().GetQueuedTransactions()
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for i := 0; i < len(txs); i++ {
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for _, tx := range txs {
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if tx.Nonce() == txc {
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_, _, err := core.ApplyMessage(core.NewEnv(statedb, self.backend.ChainManager(), tx, header), tx, coinbase)
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if err != nil {
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panic(err)
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}
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txc++
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}
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}
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}
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xeth := self.WithState(statedb)
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return txc, xeth
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}
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func (self *XEth) WithState(statedb *state.StateDB) *XEth {
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xeth := &XEth{
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backend: self.backend,
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frontend: self.frontend,
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gpo: self.gpo,
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}
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xeth.state = NewState(xeth, statedb)
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return xeth
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}
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func (self *XEth) State() *State { return self.state }
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// subscribes to new head block events and
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// waits until blockchain height is greater n at any time
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// given the current head, waits for the next chain event
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// sets the state to the current head
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// loop is async and quit by closing the channel
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// used in tests and JS console debug module to control advancing private chain manually
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// Note: this is not threadsafe, only called in JS single process and tests
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func (self *XEth) UpdateState() (wait chan *big.Int) {
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wait = make(chan *big.Int)
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go func() {
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sub := self.backend.EventMux().Subscribe(core.ChainHeadEvent{})
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var m, n *big.Int
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var ok bool
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out:
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for {
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select {
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case event := <-sub.Chan():
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ev, ok := event.(core.ChainHeadEvent)
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if ok {
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m = ev.Block.Number()
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if n != nil && n.Cmp(m) < 0 {
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wait <- n
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n = nil
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}
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statedb := state.New(ev.Block.Root(), self.backend.StateDb())
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self.state = NewState(self, statedb)
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}
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case n, ok = <-wait:
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if !ok {
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break out
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}
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}
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}
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sub.Unsubscribe()
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}()
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return
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}
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func (self *XEth) Whisper() *Whisper { return self.whisper }
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func (self *XEth) getBlockByHeight(height int64) *types.Block {
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var num uint64
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switch height {
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case -2:
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return self.backend.Miner().PendingBlock()
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case -1:
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return self.CurrentBlock()
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default:
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if height < 0 {
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return nil
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}
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num = uint64(height)
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}
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return self.backend.ChainManager().GetBlockByNumber(num)
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}
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func (self *XEth) BlockByHash(strHash string) *Block {
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hash := common.HexToHash(strHash)
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block := self.backend.ChainManager().GetBlock(hash)
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return NewBlock(block)
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}
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func (self *XEth) EthBlockByHash(strHash string) *types.Block {
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hash := common.HexToHash(strHash)
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block := self.backend.ChainManager().GetBlock(hash)
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return block
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}
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func (self *XEth) EthTransactionByHash(hash string) (tx *types.Transaction, blhash common.Hash, blnum *big.Int, txi uint64) {
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// Due to increasing return params and need to determine if this is from transaction pool or
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// some chain, this probably needs to be refactored for more expressiveness
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data, _ := self.backend.ExtraDb().Get(common.FromHex(hash))
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if len(data) != 0 {
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tx = types.NewTransactionFromBytes(data)
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} else { // check pending transactions
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tx = self.backend.TxPool().GetTransaction(common.HexToHash(hash))
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}
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// meta
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var txExtra struct {
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BlockHash common.Hash
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BlockIndex uint64
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Index uint64
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}
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v, dberr := self.backend.ExtraDb().Get(append(common.FromHex(hash), 0x0001))
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// TODO check specifically for ErrNotFound
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if dberr != nil {
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return
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}
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r := bytes.NewReader(v)
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err := rlp.Decode(r, &txExtra)
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if err == nil {
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blhash = txExtra.BlockHash
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blnum = big.NewInt(int64(txExtra.BlockIndex))
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txi = txExtra.Index
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} else {
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glog.V(logger.Error).Infoln(err)
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}
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return
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}
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func (self *XEth) BlockByNumber(num int64) *Block {
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return NewBlock(self.getBlockByHeight(num))
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}
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func (self *XEth) EthBlockByNumber(num int64) *types.Block {
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return self.getBlockByHeight(num)
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}
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func (self *XEth) CurrentBlock() *types.Block {
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return self.backend.ChainManager().CurrentBlock()
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}
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func (self *XEth) GetBlockReceipts(bhash common.Hash) (receipts types.Receipts, err error) {
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return self.backend.BlockProcessor().GetBlockReceipts(bhash)
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}
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func (self *XEth) GetTxReceipt(txhash common.Hash) (receipt *types.Receipt, err error) {
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_, bhash, _, txi := self.EthTransactionByHash(common.ToHex(txhash[:]))
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var receipts types.Receipts
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receipts, err = self.backend.BlockProcessor().GetBlockReceipts(bhash)
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if err == nil {
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if txi < uint64(len(receipts)) {
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receipt = receipts[txi]
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} else {
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err = fmt.Errorf("Invalid tx index")
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}
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}
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return
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}
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func (self *XEth) GasLimit() *big.Int {
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return self.backend.ChainManager().GasLimit()
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}
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func (self *XEth) Block(v interface{}) *Block {
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if n, ok := v.(int32); ok {
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return self.BlockByNumber(int64(n))
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} else if str, ok := v.(string); ok {
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return self.BlockByHash(str)
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} else if f, ok := v.(float64); ok { // JSON numbers are represented as float64
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return self.BlockByNumber(int64(f))
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}
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return nil
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}
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func (self *XEth) Accounts() []string {
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// TODO: check err?
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accounts, _ := self.backend.AccountManager().Accounts()
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accountAddresses := make([]string, len(accounts))
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for i, ac := range accounts {
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accountAddresses[i] = ac.Address.Hex()
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}
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return accountAddresses
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}
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// accessor for solidity compiler.
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// memoized if available, retried on-demand if not
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func (self *XEth) Solc() (*compiler.Solidity, error) {
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return self.backend.Solc()
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}
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// set in js console via admin interface or wrapper from cli flags
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func (self *XEth) SetSolc(solcPath string) (*compiler.Solidity, error) {
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self.backend.SetSolc(solcPath)
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return self.Solc()
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}
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// store DApp value in extra database
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func (self *XEth) DbPut(key, val []byte) bool {
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self.backend.ExtraDb().Put(append(dappStorePre, key...), val)
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return true
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}
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// retrieve DApp value from extra database
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func (self *XEth) DbGet(key []byte) ([]byte, error) {
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val, err := self.backend.ExtraDb().Get(append(dappStorePre, key...))
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return val, err
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}
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func (self *XEth) PeerCount() int {
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return self.backend.PeerCount()
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}
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func (self *XEth) IsMining() bool {
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return self.backend.IsMining()
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}
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func (self *XEth) HashRate() int64 {
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return self.backend.Miner().HashRate()
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}
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func (self *XEth) EthVersion() string {
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return fmt.Sprintf("%d", self.backend.EthVersion())
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}
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func (self *XEth) NetworkVersion() string {
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return fmt.Sprintf("%d", self.backend.NetVersion())
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}
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func (self *XEth) WhisperVersion() string {
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return fmt.Sprintf("%d", self.backend.ShhVersion())
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}
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func (self *XEth) ClientVersion() string {
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return self.backend.ClientVersion()
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}
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func (self *XEth) SetMining(shouldmine bool, threads int) bool {
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ismining := self.backend.IsMining()
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if shouldmine && !ismining {
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err := self.backend.StartMining(threads)
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return err == nil
|
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}
|
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if ismining && !shouldmine {
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self.backend.StopMining()
|
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}
|
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return self.backend.IsMining()
|
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}
|
|
|
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func (self *XEth) IsListening() bool {
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return self.backend.IsListening()
|
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}
|
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|
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func (self *XEth) Coinbase() string {
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eb, _ := self.backend.Etherbase()
|
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return eb.Hex()
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}
|
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|
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func (self *XEth) NumberToHuman(balance string) string {
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b := common.Big(balance)
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return common.CurrencyToString(b)
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}
|
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|
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func (self *XEth) StorageAt(addr, storageAddr string) string {
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return self.State().state.GetState(common.HexToAddress(addr), common.HexToHash(storageAddr)).Hex()
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}
|
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func (self *XEth) BalanceAt(addr string) string {
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return common.ToHex(self.State().state.GetBalance(common.HexToAddress(addr)).Bytes())
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}
|
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|
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func (self *XEth) TxCountAt(address string) int {
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return int(self.State().state.GetNonce(common.HexToAddress(address)))
|
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}
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func (self *XEth) CodeAt(address string) string {
|
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return common.ToHex(self.State().state.GetCode(common.HexToAddress(address)))
|
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}
|
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func (self *XEth) CodeAtBytes(address string) []byte {
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return self.State().SafeGet(address).Code()
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}
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func (self *XEth) IsContract(address string) bool {
|
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return len(self.State().SafeGet(address).Code()) > 0
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}
|
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|
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func (self *XEth) SecretToAddress(key string) string {
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pair, err := crypto.NewKeyPairFromSec(common.FromHex(key))
|
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if err != nil {
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return ""
|
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}
|
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|
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return common.ToHex(pair.Address())
|
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}
|
|
|
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func (self *XEth) UninstallFilter(id int) bool {
|
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defer self.filterManager.UninstallFilter(id)
|
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|
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if _, ok := self.logQueue[id]; ok {
|
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self.logMu.Lock()
|
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defer self.logMu.Unlock()
|
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delete(self.logQueue, id)
|
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return true
|
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}
|
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if _, ok := self.blockQueue[id]; ok {
|
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self.blockMu.Lock()
|
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defer self.blockMu.Unlock()
|
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delete(self.blockQueue, id)
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return true
|
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}
|
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if _, ok := self.transactionQueue[id]; ok {
|
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self.transactionMu.Lock()
|
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defer self.transactionMu.Unlock()
|
|
delete(self.transactionQueue, id)
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (self *XEth) NewLogFilter(earliest, latest int64, skip, max int, address []string, topics [][]string) int {
|
|
var id int
|
|
filter := core.NewFilter(self.backend)
|
|
filter.SetEarliestBlock(earliest)
|
|
filter.SetLatestBlock(latest)
|
|
filter.SetSkip(skip)
|
|
filter.SetMax(max)
|
|
filter.SetAddress(cAddress(address))
|
|
filter.SetTopics(cTopics(topics))
|
|
filter.LogsCallback = func(logs state.Logs) {
|
|
self.logMu.Lock()
|
|
defer self.logMu.Unlock()
|
|
|
|
self.logQueue[id].add(logs...)
|
|
}
|
|
id = self.filterManager.InstallFilter(filter)
|
|
self.logQueue[id] = &logQueue{timeout: time.Now()}
|
|
|
|
return id
|
|
}
|
|
|
|
func (self *XEth) NewTransactionFilter() int {
|
|
var id int
|
|
filter := core.NewFilter(self.backend)
|
|
filter.TransactionCallback = func(tx *types.Transaction) {
|
|
self.transactionMu.Lock()
|
|
defer self.transactionMu.Unlock()
|
|
|
|
self.transactionQueue[id].add(tx.Hash())
|
|
}
|
|
id = self.filterManager.InstallFilter(filter)
|
|
self.transactionQueue[id] = &hashQueue{timeout: time.Now()}
|
|
return id
|
|
}
|
|
|
|
func (self *XEth) NewBlockFilter() int {
|
|
var id int
|
|
filter := core.NewFilter(self.backend)
|
|
filter.BlockCallback = func(block *types.Block, logs state.Logs) {
|
|
self.blockMu.Lock()
|
|
defer self.blockMu.Unlock()
|
|
|
|
self.blockQueue[id].add(block.Hash())
|
|
}
|
|
id = self.filterManager.InstallFilter(filter)
|
|
self.blockQueue[id] = &hashQueue{timeout: time.Now()}
|
|
return id
|
|
}
|
|
|
|
func (self *XEth) GetFilterType(id int) byte {
|
|
if _, ok := self.blockQueue[id]; ok {
|
|
return BlockFilterTy
|
|
} else if _, ok := self.transactionQueue[id]; ok {
|
|
return TransactionFilterTy
|
|
} else if _, ok := self.logQueue[id]; ok {
|
|
return LogFilterTy
|
|
}
|
|
|
|
return UnknownFilterTy
|
|
}
|
|
|
|
func (self *XEth) LogFilterChanged(id int) state.Logs {
|
|
self.logMu.Lock()
|
|
defer self.logMu.Unlock()
|
|
|
|
if self.logQueue[id] != nil {
|
|
return self.logQueue[id].get()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (self *XEth) BlockFilterChanged(id int) []common.Hash {
|
|
self.blockMu.Lock()
|
|
defer self.blockMu.Unlock()
|
|
|
|
if self.blockQueue[id] != nil {
|
|
return self.blockQueue[id].get()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (self *XEth) TransactionFilterChanged(id int) []common.Hash {
|
|
self.blockMu.Lock()
|
|
defer self.blockMu.Unlock()
|
|
|
|
if self.transactionQueue[id] != nil {
|
|
return self.transactionQueue[id].get()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (self *XEth) Logs(id int) state.Logs {
|
|
self.logMu.Lock()
|
|
defer self.logMu.Unlock()
|
|
|
|
filter := self.filterManager.GetFilter(id)
|
|
if filter != nil {
|
|
return filter.Find()
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (self *XEth) AllLogs(earliest, latest int64, skip, max int, address []string, topics [][]string) state.Logs {
|
|
filter := core.NewFilter(self.backend)
|
|
filter.SetEarliestBlock(earliest)
|
|
filter.SetLatestBlock(latest)
|
|
filter.SetSkip(skip)
|
|
filter.SetMax(max)
|
|
filter.SetAddress(cAddress(address))
|
|
filter.SetTopics(cTopics(topics))
|
|
|
|
return filter.Find()
|
|
}
|
|
|
|
// NewWhisperFilter creates and registers a new message filter to watch for
|
|
// inbound whisper messages. All parameters at this point are assumed to be
|
|
// HEX encoded.
|
|
func (p *XEth) NewWhisperFilter(to, from string, topics [][]string) int {
|
|
// Pre-define the id to be filled later
|
|
var id int
|
|
|
|
// Callback to delegate core whisper messages to this xeth filter
|
|
callback := func(msg WhisperMessage) {
|
|
p.messagesMu.RLock() // Only read lock to the filter pool
|
|
defer p.messagesMu.RUnlock()
|
|
p.messages[id].insert(msg)
|
|
}
|
|
// Initialize the core whisper filter and wrap into xeth
|
|
id = p.Whisper().Watch(to, from, topics, callback)
|
|
|
|
p.messagesMu.Lock()
|
|
p.messages[id] = newWhisperFilter(id, p.Whisper())
|
|
p.messagesMu.Unlock()
|
|
|
|
return id
|
|
}
|
|
|
|
// UninstallWhisperFilter disables and removes an existing filter.
|
|
func (p *XEth) UninstallWhisperFilter(id int) bool {
|
|
p.messagesMu.Lock()
|
|
defer p.messagesMu.Unlock()
|
|
|
|
if _, ok := p.messages[id]; ok {
|
|
delete(p.messages, id)
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
// WhisperMessages retrieves all the known messages that match a specific filter.
|
|
func (self *XEth) WhisperMessages(id int) []WhisperMessage {
|
|
self.messagesMu.RLock()
|
|
defer self.messagesMu.RUnlock()
|
|
|
|
if self.messages[id] != nil {
|
|
return self.messages[id].messages()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// WhisperMessagesChanged retrieves all the new messages matched by a filter
|
|
// since the last retrieval
|
|
func (self *XEth) WhisperMessagesChanged(id int) []WhisperMessage {
|
|
self.messagesMu.RLock()
|
|
defer self.messagesMu.RUnlock()
|
|
|
|
if self.messages[id] != nil {
|
|
return self.messages[id].retrieve()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// func (self *XEth) Register(args string) bool {
|
|
// self.regmut.Lock()
|
|
// defer self.regmut.Unlock()
|
|
|
|
// if _, ok := self.register[args]; ok {
|
|
// self.register[args] = nil // register with empty
|
|
// }
|
|
// return true
|
|
// }
|
|
|
|
// func (self *XEth) Unregister(args string) bool {
|
|
// self.regmut.Lock()
|
|
// defer self.regmut.Unlock()
|
|
|
|
// if _, ok := self.register[args]; ok {
|
|
// delete(self.register, args)
|
|
// return true
|
|
// }
|
|
|
|
// return false
|
|
// }
|
|
|
|
// // TODO improve return type
|
|
// func (self *XEth) PullWatchTx(args string) []*interface{} {
|
|
// self.regmut.Lock()
|
|
// defer self.regmut.Unlock()
|
|
|
|
// txs := self.register[args]
|
|
// self.register[args] = nil
|
|
|
|
// return txs
|
|
// }
|
|
|
|
type KeyVal struct {
|
|
Key string `json:"key"`
|
|
Value string `json:"value"`
|
|
}
|
|
|
|
func (self *XEth) EachStorage(addr string) string {
|
|
var values []KeyVal
|
|
object := self.State().SafeGet(addr)
|
|
it := object.Trie().Iterator()
|
|
for it.Next() {
|
|
values = append(values, KeyVal{common.ToHex(object.Trie().GetKey(it.Key)), common.ToHex(it.Value)})
|
|
}
|
|
|
|
valuesJson, err := json.Marshal(values)
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
|
|
return string(valuesJson)
|
|
}
|
|
|
|
func (self *XEth) ToAscii(str string) string {
|
|
padded := common.RightPadBytes([]byte(str), 32)
|
|
|
|
return "0x" + common.ToHex(padded)
|
|
}
|
|
|
|
func (self *XEth) FromAscii(str string) string {
|
|
if common.IsHex(str) {
|
|
str = str[2:]
|
|
}
|
|
|
|
return string(bytes.Trim(common.FromHex(str), "\x00"))
|
|
}
|
|
|
|
func (self *XEth) FromNumber(str string) string {
|
|
if common.IsHex(str) {
|
|
str = str[2:]
|
|
}
|
|
|
|
return common.BigD(common.FromHex(str)).String()
|
|
}
|
|
|
|
func (self *XEth) PushTx(encodedTx string) (string, error) {
|
|
tx := types.NewTransactionFromBytes(common.FromHex(encodedTx))
|
|
err := self.backend.TxPool().Add(tx)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
if tx.To() == nil {
|
|
from, err := tx.From()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
addr := crypto.CreateAddress(from, tx.Nonce())
|
|
glog.V(logger.Info).Infof("Tx(%x) created: %x\n", tx.Hash(), addr)
|
|
return addr.Hex(), nil
|
|
} else {
|
|
glog.V(logger.Info).Infof("Tx(%x) to: %x\n", tx.Hash(), tx.To())
|
|
}
|
|
|
|
return tx.Hash().Hex(), nil
|
|
}
|
|
|
|
func (self *XEth) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, string, error) {
|
|
statedb := self.State().State().Copy()
|
|
var from *state.StateObject
|
|
if len(fromStr) == 0 {
|
|
accounts, err := self.backend.AccountManager().Accounts()
|
|
if err != nil || len(accounts) == 0 {
|
|
from = statedb.GetOrNewStateObject(common.Address{})
|
|
} else {
|
|
from = statedb.GetOrNewStateObject(accounts[0].Address)
|
|
}
|
|
} else {
|
|
from = statedb.GetOrNewStateObject(common.HexToAddress(fromStr))
|
|
}
|
|
|
|
from.SetBalance(common.MaxBig)
|
|
from.SetGasLimit(self.backend.ChainManager().GasLimit())
|
|
msg := callmsg{
|
|
from: from,
|
|
to: common.HexToAddress(toStr),
|
|
gas: common.Big(gasStr),
|
|
gasPrice: common.Big(gasPriceStr),
|
|
value: common.Big(valueStr),
|
|
data: common.FromHex(dataStr),
|
|
}
|
|
|
|
if msg.gas.Cmp(big.NewInt(0)) == 0 {
|
|
msg.gas = DefaultGas()
|
|
}
|
|
|
|
if msg.gasPrice.Cmp(big.NewInt(0)) == 0 {
|
|
msg.gasPrice = self.DefaultGasPrice()
|
|
}
|
|
|
|
header := self.CurrentBlock().Header()
|
|
vmenv := core.NewEnv(statedb, self.backend.ChainManager(), msg, header)
|
|
|
|
res, gas, err := core.ApplyMessage(vmenv, msg, from)
|
|
return common.ToHex(res), gas.String(), err
|
|
}
|
|
|
|
func (self *XEth) ConfirmTransaction(tx string) bool {
|
|
return self.frontend.ConfirmTransaction(tx)
|
|
}
|
|
|
|
func (self *XEth) doSign(from common.Address, hash common.Hash, didUnlock bool) ([]byte, error) {
|
|
sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from}, hash.Bytes())
|
|
if err == accounts.ErrLocked {
|
|
if didUnlock {
|
|
return nil, fmt.Errorf("signer account still locked after successful unlock")
|
|
}
|
|
if !self.frontend.UnlockAccount(from.Bytes()) {
|
|
return nil, fmt.Errorf("could not unlock signer account")
|
|
}
|
|
// retry signing, the account should now be unlocked.
|
|
return self.doSign(from, hash, true)
|
|
} else if err != nil {
|
|
return nil, err
|
|
}
|
|
return sig, nil
|
|
}
|
|
|
|
func (self *XEth) Sign(fromStr, hashStr string, didUnlock bool) (string, error) {
|
|
var (
|
|
from = common.HexToAddress(fromStr)
|
|
hash = common.HexToHash(hashStr)
|
|
)
|
|
sig, err := self.doSign(from, hash, didUnlock)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return common.ToHex(sig), nil
|
|
}
|
|
|
|
func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
|
|
|
|
// this minimalistic recoding is enough (works for natspec.js)
|
|
var jsontx = fmt.Sprintf(`{"params":[{"to":"%s","data": "%s"}]}`, toStr, codeStr)
|
|
if !self.ConfirmTransaction(jsontx) {
|
|
err := fmt.Errorf("Transaction not confirmed")
|
|
return "", err
|
|
}
|
|
|
|
var (
|
|
from = common.HexToAddress(fromStr)
|
|
to = common.HexToAddress(toStr)
|
|
value = common.Big(valueStr)
|
|
gas *big.Int
|
|
price *big.Int
|
|
data []byte
|
|
contractCreation bool
|
|
)
|
|
|
|
if len(gasStr) == 0 {
|
|
gas = DefaultGas()
|
|
} else {
|
|
gas = common.Big(gasStr)
|
|
}
|
|
|
|
if len(gasPriceStr) == 0 {
|
|
price = self.DefaultGasPrice()
|
|
} else {
|
|
price = common.Big(gasPriceStr)
|
|
}
|
|
|
|
data = common.FromHex(codeStr)
|
|
if len(toStr) == 0 {
|
|
contractCreation = true
|
|
}
|
|
|
|
// 2015-05-18 Is this still needed?
|
|
// TODO if no_private_key then
|
|
//if _, exists := p.register[args.From]; exists {
|
|
// p.register[args.From] = append(p.register[args.From], args)
|
|
//} else {
|
|
/*
|
|
account := accounts.Get(common.FromHex(args.From))
|
|
if account != nil {
|
|
if account.Unlocked() {
|
|
if !unlockAccount(account) {
|
|
return
|
|
}
|
|
}
|
|
|
|
result, _ := account.Transact(common.FromHex(args.To), common.FromHex(args.Value), common.FromHex(args.Gas), common.FromHex(args.GasPrice), common.FromHex(args.Data))
|
|
if len(result) > 0 {
|
|
*reply = common.ToHex(result)
|
|
}
|
|
} else if _, exists := p.register[args.From]; exists {
|
|
p.register[ags.From] = append(p.register[args.From], args)
|
|
}
|
|
*/
|
|
|
|
// TODO: align default values to have the same type, e.g. not depend on
|
|
// common.Value conversions later on
|
|
var nonce uint64
|
|
if len(nonceStr) != 0 {
|
|
nonce = common.Big(nonceStr).Uint64()
|
|
} else {
|
|
state := self.backend.TxPool().State()
|
|
nonce = state.GetNonce(from)
|
|
}
|
|
var tx *types.Transaction
|
|
if contractCreation {
|
|
tx = types.NewContractCreation(nonce, value, gas, price, data)
|
|
} else {
|
|
tx = types.NewTransaction(nonce, to, value, gas, price, data)
|
|
}
|
|
|
|
signed, err := self.sign(tx, from, false)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
if err = self.backend.TxPool().Add(signed); err != nil {
|
|
return "", err
|
|
}
|
|
|
|
if contractCreation {
|
|
addr := crypto.CreateAddress(from, nonce)
|
|
glog.V(logger.Info).Infof("Tx(%x) created: %x\n", tx.Hash(), addr)
|
|
return addr.Hex(), nil
|
|
} else {
|
|
glog.V(logger.Info).Infof("Tx(%x) to: %x\n", tx.Hash(), tx.To())
|
|
}
|
|
return tx.Hash().Hex(), nil
|
|
}
|
|
|
|
func (self *XEth) sign(tx *types.Transaction, from common.Address, didUnlock bool) (*types.Transaction, error) {
|
|
hash := tx.Hash()
|
|
sig, err := self.doSign(from, hash, didUnlock)
|
|
if err != nil {
|
|
return tx, err
|
|
}
|
|
return tx.WithSignature(sig)
|
|
}
|
|
|
|
// callmsg is the message type used for call transations.
|
|
type callmsg struct {
|
|
from *state.StateObject
|
|
to common.Address
|
|
gas, gasPrice *big.Int
|
|
value *big.Int
|
|
data []byte
|
|
}
|
|
|
|
// accessor boilerplate to implement core.Message
|
|
func (m callmsg) From() (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 }
|
|
|
|
type logQueue struct {
|
|
logs state.Logs
|
|
timeout time.Time
|
|
id int
|
|
}
|
|
|
|
func (l *logQueue) add(logs ...*state.Log) {
|
|
l.logs = append(l.logs, logs...)
|
|
}
|
|
|
|
func (l *logQueue) get() state.Logs {
|
|
l.timeout = time.Now()
|
|
tmp := l.logs
|
|
l.logs = nil
|
|
return tmp
|
|
}
|
|
|
|
type hashQueue struct {
|
|
hashes []common.Hash
|
|
timeout time.Time
|
|
id int
|
|
}
|
|
|
|
func (l *hashQueue) add(hashes ...common.Hash) {
|
|
l.hashes = append(l.hashes, hashes...)
|
|
}
|
|
|
|
func (l *hashQueue) get() []common.Hash {
|
|
l.timeout = time.Now()
|
|
tmp := l.hashes
|
|
l.hashes = nil
|
|
return tmp
|
|
}
|