// Load the most recent state from "state" db, // or create a new one (and save) from genesis. func getState(config cfg.Config, stateDB dbm.DB) *sm.State { state := sm.LoadState(stateDB) if state == nil { state = sm.MakeGenesisStateFromFile(stateDB, config.GetString("genesis_file")) state.Save() } return state }
// Load the most recent state from "state" db, // or create a new one (and save) from genesis. func getState() *sm.State { stateDB := dbm.GetDB("state") state := sm.LoadState(stateDB) if state == nil { state = sm.MakeGenesisStateFromFile(stateDB, config.GetString("genesis_file")) state.Save() } return state }
func gen_tx() { // Get State, which may be nil. stateDB := dbm.GetDB("state") state := sm.LoadState(stateDB) // Get source pubkey srcPubKeyBytes := getByteSliceFromHex("Enter source pubkey: ") r, n, err := bytes.NewReader(srcPubKeyBytes), new(int64), new(error) srcPubKey := binary.ReadBinary(struct{ account.PubKey }{}, r, n, err).(struct{ account.PubKey }).PubKey if *err != nil { Exit(Fmt("Invalid PubKey. Error: %v", err)) } // Get the state of the account. var srcAccount *account.Account var srcAccountAddress = srcPubKey.Address() var srcAccountBalanceStr = "unknown" var srcAccountSequenceStr = "unknown" srcAddress := srcPubKey.Address() if state != nil { srcAccount = state.GetAccount(srcAddress) srcAccountBalanceStr = Fmt("%v", srcAccount.Balance) srcAccountSequenceStr = Fmt("%v", srcAccount.Sequence+1) } // Get the amount to send from src account srcSendAmount := getUint64(Fmt("Enter amount to send from %X (total: %v): ", srcAccountAddress, srcAccountBalanceStr)) // Get the next sequence of src account srcSendSequence := uint(getUint64(Fmt("Enter next sequence for %X (guess: %v): ", srcAccountAddress, srcAccountSequenceStr))) // Get dest address dstAddress := getByteSliceFromHex("Enter destination address: ") // Get the amount to send to dst account dstSendAmount := getUint64(Fmt("Enter amount to send to %X: ", dstAddress)) // Construct SendTx tx := &types.SendTx{ Inputs: []*types.TxInput{ &types.TxInput{ Address: srcAddress, Amount: srcSendAmount, Sequence: srcSendSequence, Signature: account.SignatureEd25519{}, PubKey: srcPubKey, }, }, Outputs: []*types.TxOutput{ &types.TxOutput{ Address: dstAddress, Amount: dstSendAmount, }, }, } // Show the intermediate form. fmt.Printf("Generated tx: %X\n", binary.BinaryBytes(tx)) // Get source privkey (for signing) srcPrivKeyBytes := getByteSliceFromHex("Enter source privkey (for signing): ") r, n, err = bytes.NewReader(srcPrivKeyBytes), new(int64), new(error) srcPrivKey := binary.ReadBinary(struct{ account.PrivKey }{}, r, n, err).(struct{ account.PrivKey }).PrivKey if *err != nil { Exit(Fmt("Invalid PrivKey. Error: %v", err)) } // Sign tx.Inputs[0].Signature = srcPrivKey.Sign(account.SignBytes(tx)) fmt.Printf("Signed tx: %X\n", binary.BinaryBytes(tx)) }
// Handle messages from the poolReactor telling the reactor what to do. func (bcR *BlockchainReactor) poolRoutine() { trySyncTicker := time.NewTicker(trySyncIntervalMS * time.Millisecond) statusUpdateTicker := time.NewTicker(statusUpdateIntervalSeconds * time.Second) switchToConsensusTicker := time.NewTicker(switchToConsensusIntervalSeconds * time.Second) FOR_LOOP: for { select { case request := <-bcR.requestsCh: // chan BlockRequest peer := bcR.sw.Peers().Get(request.PeerId) if peer == nil { // We can't fulfill the request. continue FOR_LOOP } msg := &bcBlockRequestMessage{request.Height} queued := peer.TrySend(BlockchainChannel, msg) if !queued { // We couldn't queue the request. time.Sleep(defaultSleepIntervalMS * time.Millisecond) continue FOR_LOOP } case peerId := <-bcR.timeoutsCh: // chan string // Peer timed out. peer := bcR.sw.Peers().Get(peerId) if peer != nil { bcR.sw.StopPeerForError(peer, errors.New("BlockchainReactor Timeout")) } case _ = <-statusUpdateTicker.C: // ask for status updates go bcR.BroadcastStatusRequest() case _ = <-switchToConsensusTicker.C: // not thread safe access for peerless and numPending but should be fine log.Debug("Consensus ticker", "peerless", bcR.pool.peerless, "pending", bcR.pool.numPending, "total", bcR.pool.numTotal) // NOTE: this condition is very strict right now. may need to weaken // if the max amount of requests are pending and peerless // and we have some peers (say > 5), then we're caught up maxPending := bcR.pool.numPending == maxPendingRequests maxPeerless := bcR.pool.peerless == bcR.pool.numPending o, i, _ := bcR.sw.NumPeers() enoughPeers := o+i >= 5 if maxPending && maxPeerless && enoughPeers { log.Warn("Time to switch to consensus reactor!", "height", bcR.pool.height) bcR.pool.Stop() stateDB := dbm.GetDB("state") state := sm.LoadState(stateDB) bcR.sw.Reactor("CONSENSUS").(consensusReactor).ResetToState(state) bcR.sw.Reactor("CONSENSUS").(consensusReactor).SetSyncing(false) break FOR_LOOP } case _ = <-trySyncTicker.C: // chan time //var lastValidatedBlock *types.Block SYNC_LOOP: for i := 0; i < 10; i++ { // See if there are any blocks to sync. first, second := bcR.pool.PeekTwoBlocks() //log.Debug("TrySync peeked", "first", first, "second", second) if first == nil || second == nil { // We need both to sync the first block. break SYNC_LOOP } firstParts := first.MakePartSet() firstPartsHeader := firstParts.Header() // Finally, verify the first block using the second's validation. err := bcR.state.BondedValidators.VerifyValidation( first.Hash(), firstPartsHeader, first.Height, second.Validation) if err != nil { log.Debug("error in validation", "error", err) bcR.pool.RedoRequest(first.Height) break SYNC_LOOP } else { bcR.pool.PopRequest() err := sm.ExecBlock(bcR.state, first, firstPartsHeader) if err != nil { // TODO This is bad, are we zombie? panic(Fmt("Failed to process committed block: %v", err)) } bcR.store.SaveBlock(first, firstParts, second.Validation) bcR.state.Save() //lastValidatedBlock = first } } /* // We're done syncing for now (will do again shortly) // See if we want to stop syncing and turn on the // consensus reactor. // TODO: use other heuristics too besides blocktime. // It's not a security concern, as it only needs to happen // upon node sync, and there's also a second (slower) // this peer failed us // method of syncing in the consensus reactor. if lastValidatedBlock != nil && time.Now().Sub(lastValidatedBlock.Time) < stopSyncingDurationMinutes*time.Minute { go func() { log.Info("Stopping blockpool syncing, turning on consensus...") trySyncTicker.Stop() // Just stop the block requests. Still serve blocks to others. conR := bcR.sw.Reactor("CONSENSUS") conR.(stateResetter).ResetToState(bcR.state) conR.Start(bcR.sw) for _, peer := range bcR.sw.Peers().List() { conR.AddPeer(peer) } }() break FOR_LOOP } */ continue FOR_LOOP case <-bcR.quit: break FOR_LOOP } } }
func NewNode() *Node { // Get BlockStore blockStoreDB := dbm.GetDB("blockstore") blockStore := bc.NewBlockStore(blockStoreDB) // Get State stateDB := dbm.GetDB("state") state := sm.LoadState(stateDB) if state == nil { state = sm.MakeGenesisStateFromFile(stateDB, config.GetString("genesis_file")) state.Save() } // Get PrivValidator var privValidator *sm.PrivValidator privValidatorFile := config.GetString("priv_validator_file") if _, err := os.Stat(privValidatorFile); err == nil { privValidator = sm.LoadPrivValidator(privValidatorFile) log.Info("Loaded PrivValidator", "file", privValidatorFile, "privValidator", privValidator) } else { privValidator = sm.GenPrivValidator() privValidator.SetFile(privValidatorFile) privValidator.Save() log.Info("Generated PrivValidator", "file", privValidatorFile) } eventSwitch := new(events.EventSwitch) eventSwitch.Start() // Get PEXReactor book := p2p.NewAddrBook(config.GetString("addrbook_file")) pexReactor := p2p.NewPEXReactor(book) // Get BlockchainReactor bcReactor := bc.NewBlockchainReactor(state, blockStore, config.GetBool("fast_sync")) // Get MempoolReactor mempool := mempl.NewMempool(state.Copy()) mempoolReactor := mempl.NewMempoolReactor(mempool) // Get ConsensusReactor consensusState := consensus.NewConsensusState(state, blockStore, mempoolReactor) consensusReactor := consensus.NewConsensusReactor(consensusState, blockStore) if privValidator != nil { consensusReactor.SetPrivValidator(privValidator) } // so the consensus reactor won't do anything until we're synced if config.GetBool("fast_sync") { consensusReactor.SetSyncing(true) } sw := p2p.NewSwitch() sw.AddReactor("PEX", pexReactor) sw.AddReactor("MEMPOOL", mempoolReactor) sw.AddReactor("BLOCKCHAIN", bcReactor) sw.AddReactor("CONSENSUS", consensusReactor) // add the event switch to all services // they should all satisfy events.Eventable SetFireable(eventSwitch, pexReactor, bcReactor, mempoolReactor, consensusReactor) return &Node{ sw: sw, evsw: eventSwitch, book: book, blockStore: blockStore, pexReactor: pexReactor, bcReactor: bcReactor, mempoolReactor: mempoolReactor, consensusState: consensusState, consensusReactor: consensusReactor, privValidator: privValidator, } }
func NewNode() *Node { // Get BlockStore blockStoreDB := dbm.GetDB("blockstore") blockStore := bc.NewBlockStore(blockStoreDB) // Get State stateDB := dbm.GetDB("state") state := sm.LoadState(stateDB) var genDoc *stypes.GenesisDoc if state == nil { genDoc, state = sm.MakeGenesisStateFromFile(stateDB, config.GetString("genesis_file")) state.Save() // write the gendoc to db buf, n, err := new(bytes.Buffer), new(int64), new(error) wire.WriteJSON(genDoc, buf, n, err) stateDB.Set(stypes.GenDocKey, buf.Bytes()) if *err != nil { Exit(Fmt("Unable to write gendoc to db: %v", err)) } } else { genDocBytes := stateDB.Get(stypes.GenDocKey) err := new(error) wire.ReadJSONPtr(&genDoc, genDocBytes, err) if *err != nil { Exit(Fmt("Unable to read gendoc from db: %v", err)) } } // add the chainid to the global config config.Set("chain_id", state.ChainID) // Get PrivValidator privValidatorFile := config.GetString("priv_validator_file") privValidator := types.LoadOrGenPrivValidator(privValidatorFile) // Generate node PrivKey privKey := acm.GenPrivKeyEd25519() // Make event switch eventSwitch := events.NewEventSwitch() _, err := eventSwitch.Start() if err != nil { Exit(Fmt("Failed to start switch: %v", err)) } // Make PEXReactor book := p2p.NewAddrBook(config.GetString("addrbook_file")) pexReactor := p2p.NewPEXReactor(book) // Make BlockchainReactor bcReactor := bc.NewBlockchainReactor(state.Copy(), blockStore, config.GetBool("fast_sync")) // Make MempoolReactor mempool := mempl.NewMempool(state.Copy()) mempoolReactor := mempl.NewMempoolReactor(mempool) // Make ConsensusReactor consensusState := consensus.NewConsensusState(state.Copy(), blockStore, mempoolReactor) consensusReactor := consensus.NewConsensusReactor(consensusState, blockStore, config.GetBool("fast_sync")) if privValidator != nil { consensusReactor.SetPrivValidator(privValidator) } // Make p2p network switch sw := p2p.NewSwitch() sw.AddReactor("PEX", pexReactor) sw.AddReactor("MEMPOOL", mempoolReactor) sw.AddReactor("BLOCKCHAIN", bcReactor) sw.AddReactor("CONSENSUS", consensusReactor) // add the event switch to all services // they should all satisfy events.Eventable SetFireable(eventSwitch, pexReactor, bcReactor, mempoolReactor, consensusReactor) // run the profile server profileHost := config.GetString("prof_laddr") if profileHost != "" { go func() { log.Warn("Profile server", "error", http.ListenAndServe(profileHost, nil)) }() } // set vm log level vm.SetDebug(config.GetBool("vm_log")) return &Node{ sw: sw, evsw: eventSwitch, book: book, blockStore: blockStore, pexReactor: pexReactor, bcReactor: bcReactor, mempoolReactor: mempoolReactor, consensusState: consensusState, consensusReactor: consensusReactor, privValidator: privValidator, genDoc: genDoc, privKey: privKey, } }