Golang state.State類代碼示例

func CreateEmptyTestState() *state.State {
	s := new(state.State)
	s.LoadConfig("", "")
	s.Init()
	state.LoadDatabase(s)
	return s
}

func Factomd() {

	log.Print("//////////////////////// Copyright 2015 Factom Foundation")
	log.Print("//////////////////////// Use of this source code is governed by the MIT")
	log.Print("//////////////////////// license that can be found in the LICENSE file.")
	log.Printf("Go compiler version: %s\n", runtime.Version())
	log.Printf("Using build: %s\n", Build)

	if !isCompilerVersionOK() {
		for i := 0; i < 30; i++ {
			log.Println("!!! !!! !!! ERROR: unsupported compiler version !!! !!! !!!")
		}
		time.Sleep(3 * time.Second)
		os.Exit(1)
	}

	//  Go Optimizations...
	runtime.GOMAXPROCS(runtime.NumCPU())

	state0 := new(state.State)
	state0.SetLeaderTimestamp(primitives.NewTimestampFromMilliseconds(0))
	fmt.Println("len(Args)", len(os.Args))

	NetStart(state0)
}

//**********************************************************************
// Functions that access variables in this method to set up Factom Nodes
// and start the servers.
//**********************************************************************
func makeServer(s *state.State) *FactomNode {
	// All other states are clones of the first state.  Which this routine
	// gets passed to it.
	newState := s

	if len(fnodes) > 0 {
		newState = s.Clone(len(fnodes)).(*state.State)
		time.Sleep(10 * time.Millisecond)
		newState.Init()
	}

	fnode := new(FactomNode)
	fnode.State = newState
	fnodes = append(fnodes, fnode)
	fnode.MLog = mLog

	return fnode
}

func setupFirstAuthority(s *state.State) {
	var id state.Identity
	if networkIdentity := s.GetNetworkBootStrapIdentity(); networkIdentity != nil {
		id.IdentityChainID = networkIdentity
	} else {
		id.IdentityChainID = primitives.NewZeroHash()
	}
	id.ManagementChainID, _ = primitives.HexToHash("88888800000000000000000000000000")
	if pub := s.GetNetworkBootStrapKey(); pub != nil {
		id.SigningKey = pub
	} else {
		id.SigningKey = primitives.NewZeroHash()
	}
	id.MatryoshkaHash = primitives.NewZeroHash()
	id.ManagementCreated = 0
	id.ManagementRegistered = 0
	id.IdentityCreated = 0
	id.IdentityRegistered = 0
	id.Key1 = primitives.NewZeroHash()
	id.Key2 = primitives.NewZeroHash()
	id.Key3 = primitives.NewZeroHash()
	id.Key4 = primitives.NewZeroHash()
	id.Status = 1
	s.Identities = append(s.Identities, &id)

	var auth state.Authority
	auth.Status = 1
	auth.SigningKey = primitives.PubKeyFromString(id.SigningKey.String())
	auth.MatryoshkaHash = primitives.NewZeroHash()
	auth.AuthorityChainID = id.IdentityChainID
	auth.ManagementChainID, _ = primitives.HexToHash("88888800000000000000000000000000")
	s.Authorities = append(s.Authorities, &auth)
}

func CreateAndPopulateTestState() *state.State {
	s := new(state.State)
	s.DB = CreateAndPopulateTestDatabaseOverlay()
	s.Init("")
	err := s.RecalculateBalances()
	if err != nil {
		panic(err)
	}
	s.FactoidState.SetFactoshisPerEC(1)
	return s
}

func main() {
	fmt.Println("Usage:")
	fmt.Println("ReceiptGenerator level/bolt [EntryID-To-Extract]")
	fmt.Println("Leave out the last one to export all entries")
	if len(os.Args) < 1 {
		fmt.Println("\nNot enough arguments passed")
		os.Exit(1)
	}
	if len(os.Args) > 2 {
		fmt.Println("\nToo many arguments passed")
		os.Exit(1)
	}

	levelBolt := os.Args[1]

	if levelBolt != level && levelBolt != bolt {
		fmt.Println("\nFirst argument should be `level` or `bolt`")
		os.Exit(1)
	}

	entryID := ""
	if len(os.Args) == 3 {
		entryID = os.Args[2]
	}

	state := new(state.State)
	state.Cfg = util.ReadConfig("")
	if levelBolt == level {
		err := state.InitLevelDB()
		if err != nil {
			panic(err)
		}
	}
	if levelBolt == bolt {
		err := state.InitBoltDB()
		if err != nil {
			panic(err)
		}
	}
	dbo := state.GetAndLockDB()
	defer state.UnlockDB()

	if entryID != "" {
		err := ExportEntryReceipt(entryID, dbo)
		if err != nil {
			panic(err)
		}
	} else {
		err := ExportAllEntryReceipts(dbo)
		if err != nil {
			panic(err)
		}
	}
}

func TestSecretCode(t *testing.T) {
	s := new(state.State)
	ts1 := s.GetTimestamp()
	num1 := s.GetSalt(ts1)
	num2 := s.GetSalt(ts1)
	if num1 != num2 {
		t.Error("Secret Number failure")
	}
	ts1.SetTime(uint64(ts1.GetTimeMilli() + 1000))
	num3 := s.GetSalt(ts1)
	if num1 == num3 {
		t.Error("Secret Number bad match")
	}
	fmt.Printf("Secret Numbers %x %x %x\n", num1, num2, num3)
}

func main() {
	fmt.Println("Usage:")
	fmt.Println("BlockExtractor level/bolt [ChainID-To-Extract]")
	fmt.Println("Leave out the last one to export basic chains (A, D, EC, F)")
	if len(os.Args) < 1 {
		fmt.Println("\nNot enough arguments passed")
		os.Exit(1)
	}
	if len(os.Args) > 2 {
		fmt.Println("\nToo many arguments passed")
		os.Exit(1)
	}

	levelBolt := os.Args[1]

	if levelBolt != level && levelBolt != bolt {
		fmt.Println("\nFirst argument should be `level` or `bolt`")
		os.Exit(1)
	}

	chainID := ""
	if len(os.Args) == 3 {
		chainID = os.Args[2]
	}

	state := new(state.State)
	state.Cfg = util.ReadConfig("")
	if levelBolt == level {
		err := state.InitLevelDB()
		if err != nil {
			panic(err)
		}
	}
	if levelBolt == bolt {
		err := state.InitBoltDB()
		if err != nil {
			panic(err)
		}
	}
	dbo := state.GetDB()

	if chainID != "" {
		err := ExportEChain(chainID, dbo)
		if err != nil {
			panic(err)
		}
	} else {
		err := ExportDChain(dbo)
		if err != nil {
			panic(err)
		}
		err = ExportECChain(dbo)
		if err != nil {
			panic(err)
		}
		err = ExportAChain(dbo)
		if err != nil {
			panic(err)
		}
		err = ExportFctChain(dbo)
		if err != nil {
			panic(err)
		}
		err = ExportDirBlockInfo(dbo)
		if err != nil {
			panic(err)
		}
	}
}

func main() {
	log.Print("//////////////////////// Copyright 2015 Factom Foundation")
	log.Print("//////////////////////// Use of this source code is governed by the MIT")
	log.Print("//////////////////////// license that can be found in the LICENSE file.")

	log.Printf("Go compiler version: %s\n", runtime.Version())
	log.Printf("Using build: %s\n", Build)

	if !isCompilerVersionOK() {
		for i := 0; i < 30; i++ {
			fmt.Println("!!! !!! !!! ERROR: unsupported compiler version !!! !!! !!!")
		}
		time.Sleep(3 * time.Second)
		os.Exit(1)
	}
	cfgFilename := ""

	state := new(state.State)
	state.Init(cfgFilename)

	runtime.GOMAXPROCS(runtime.NumCPU())
	if err := limits.SetLimits(); err != nil {
		os.Exit(1)
	}

	btcd.AddInterruptHandler(func() {
		log.Printf("Gracefully shutting down the database...")
		state.GetDB().(interfaces.IDatabase).Close()
	})

	log.Print("Starting server")
	server, _ := btcd.NewServer(state)

	btcd.AddInterruptHandler(func() {
		log.Printf("Gracefully shutting down the server...")
		server.Stop()
		server.WaitForShutdown()
	})
	server.Start()
	state.SetServer(server)

	//factomForkInit(server)
	go NetworkProcessor(state)
	go Timer(state)
	go Validator(state)
	go Leader(state)
	go Follower(state)
	go wsapi.Start(state)

	shutdownChannel := make(chan struct{})
	go func() {
		server.WaitForShutdown()
		log.Printf("Server shutdown complete")
		shutdownChannel <- struct{}{}
	}()

	// Wait for shutdown signal from either a graceful server stop or from
	// the interrupt handler.
	<-shutdownChannel
	log.Printf("Shutdown complete")
}

func searchDB(searchitem string, st state.State) (bool, string) {
	if len(searchitem) < 32 {
		heightInt, err := strconv.Atoi(searchitem)
		if err != nil {
			return false, ""
		}
		height := uint32(heightInt)
		if height < DisplayState.CurrentNodeHeight {
			dbase := StatePointer.GetAndLockDB()
			dBlock, err := dbase.FetchDBlockByHeight(height)
			StatePointer.UnlockDB()
			if err != nil {
				return false, ""
			}
			resp := `{"Type":"dblockHeight","item":"` + dBlock.GetKeyMR().String() + `"}`
			return true, resp
		}
		return false, ""
	}
	switch searchitem[:2] {
	case "EC":
		hash := base58.Decode(searchitem)
		if len(hash) < 34 {
			return false, ""
		}
		var fixed [32]byte
		copy(fixed[:], hash[2:34])
		bal := fmt.Sprintf("%d", st.FactoidState.GetECBalance(fixed))
		return true, `{"Type":"EC","item":` + bal + "}"
	case "FA":
		hash := base58.Decode(searchitem)
		if len(hash) < 34 {
			return false, ""
		}
		var fixed [32]byte
		copy(fixed[:], hash[2:34])
		bal := fmt.Sprintf("%.8f", float64(st.FactoidState.GetFactoidBalance(fixed))/1e8)
		return true, `{"Type":"FA","item":` + bal + "}"
	}
	if len(searchitem) == 64 {
		hash, err := primitives.HexToHash(searchitem)
		if err != nil {
			return false, ""
		}

		// Must unlock manually when returining. Function continues to wsapi, who needs the dbase
		dbase := st.GetAndLockDB()

		// Search for Entry
		if entry, err := dbase.FetchEntry(hash); err == nil && entry != nil {
			resp := newSearchResponse("entry", entry)
			if len(resp) > 1 {
				st.UnlockDB()
				return true, resp
			}
		}
		// Search for Chain
		if mr, err := dbase.FetchHeadIndexByChainID(hash); err == nil && mr != nil {
			resp := newSearchResponse("chainhead", mr)
			if len(resp) > 1 {
				st.UnlockDB()
				return true, resp
			}
		}
		// Search for EBlock
		if eBlock, err := dbase.FetchEBlockByPrimary(hash); err == nil && eBlock != nil {
			resp := newSearchResponse("eblock", eBlock)
			if len(resp) > 1 {
				st.UnlockDB()
				return true, resp
			}
		}
		// Search for DBlock
		if dBlock, err := dbase.FetchDBlockByPrimary(hash); err == nil && dBlock != nil {
			resp := newSearchResponse("dblock", dBlock)
			if len(resp) > 1 {
				st.UnlockDB()
				return true, resp
			}
		}
		// Search for ABlock
		if aBlock, err := dbase.FetchABlock(hash); err == nil && aBlock != nil {
			resp := newSearchResponse("ablock", aBlock)
			if len(resp) > 1 {
				st.UnlockDB()
				return true, resp
			}
		}
		// Search for Factoid Block
		if fBlock, err := dbase.FetchFBlock(hash); err == nil && fBlock != nil {
			resp := newSearchResponse("fblock", fBlock)
			if len(resp) > 1 {
				st.UnlockDB()
				return true, resp
			}
		}
		// Search for Entry Credit Block
		if ecBlock, err := dbase.FetchECBlock(hash); err == nil && ecBlock != nil {
			resp := newSearchResponse("ecblock", ecBlock)
			if len(resp) > 1 {
//.........這裏部分代碼省略.........

func NetStart(s *state.State) {
	enablenetPtr := flag.Bool("enablenet", true, "Enable or disable networking")
	listenToPtr := flag.Int("node", 0, "Node Number the simulator will set as the focus")
	cntPtr := flag.Int("count", 1, "The number of nodes to generate")
	netPtr := flag.String("net", "tree", "The default algorithm to build the network connections")
	fnetPtr := flag.String("fnet", "", "Read the given file to build the network connections")
	dropPtr := flag.Int("drop", 0, "Number of messages to drop out of every thousand")
	journalPtr := flag.String("journal", "", "Rerun a Journal of messages")
	journalingPtr := flag.Bool("journaling", false, "Write a journal of all messages recieved. Default is off.")
	followerPtr := flag.Bool("follower", false, "If true, force node to be a follower.  Only used when replaying a journal.")
	leaderPtr := flag.Bool("leader", true, "If true, force node to be a leader.  Only used when replaying a journal.")
	dbPtr := flag.String("db", "", "Override the Database in the Config file and use this Database implementation")
	cloneDBPtr := flag.String("clonedb", "", "Override the main node and use this database for the clones in a Network.")
	portOverridePtr := flag.Int("port", 0, "Address to serve WSAPI on")
	networkNamePtr := flag.String("network", "", "Network to join: MAIN, TEST or LOCAL")
	networkPortOverridePtr := flag.Int("networkPort", 0, "Address for p2p network to listen on.")
	peersPtr := flag.String("peers", "", "Array of peer addresses. ")
	blkTimePtr := flag.Int("blktime", 0, "Seconds per block.  Production is 600.")
	runtimeLogPtr := flag.Bool("runtimeLog", false, "If true, maintain runtime logs of messages passed.")
	netdebugPtr := flag.Int("netdebug", 0, "0-5: 0 = quiet, >0 = increasing levels of logging")
	exclusivePtr := flag.Bool("exclusive", false, "If true, we only dial out to special/trusted peers.")
	prefixNodePtr := flag.String("prefix", "", "Prefix the Factom Node Names with this value; used to create leaderless networks.")
	rotatePtr := flag.Bool("rotate", false, "If true, responsiblity is owned by one leader, and rotated over the leaders.")
	timeOffsetPtr := flag.Int("timedelta", 0, "Maximum timeDelta in milliseconds to offset each node.  Simulates deltas in system clocks over a network.")
	keepMismatchPtr := flag.Bool("keepmismatch", false, "If true, do not discard DBStates even when a majority of DBSignatures have a different hash")
	startDelayPtr := flag.Int("startdelay", 10, "Delay to start processing messages, in seconds")
	deadlinePtr := flag.Int("deadline", 1000, "Timeout Delay in milliseconds used on Reads and Writes to the network comm")
	customNetPtr := flag.String("customnet", "", "This string specifies a custom blockchain network ID.")
	rpcUserflag := flag.String("rpcuser", "", "Username to protect factomd local API with simple HTTP authentication")
	rpcPasswordflag := flag.String("rpcpass", "", "Password to protect factomd local API. Ignored if rpcuser is blank")
	factomdTLSflag := flag.Bool("tls", false, "Set to true to require encrypted connections to factomd API and Control Panel") //to get tls, run as "factomd -tls=true"
	factomdLocationsflag := flag.String("selfaddr", "", "comma seperated IPAddresses and DNS names of this factomd to use when creating a cert file")

	flag.Parse()

	enableNet := *enablenetPtr
	listenTo := *listenToPtr
	cnt := *cntPtr
	net := *netPtr
	fnet := *fnetPtr
	droprate := *dropPtr
	journal := *journalPtr
	journaling := *journalingPtr
	follower := *followerPtr
	leader := *leaderPtr
	db := *dbPtr
	cloneDB := *cloneDBPtr
	portOverride := *portOverridePtr
	peers := *peersPtr
	networkName := *networkNamePtr
	networkPortOverride := *networkPortOverridePtr
	blkTime := *blkTimePtr
	runtimeLog := *runtimeLogPtr
	netdebug := *netdebugPtr
	exclusive := *exclusivePtr
	prefix := *prefixNodePtr
	rotate := *rotatePtr
	timeOffset := *timeOffsetPtr
	keepMismatch := *keepMismatchPtr
	startDelay := int64(*startDelayPtr)
	deadline := *deadlinePtr
	customNet := primitives.Sha([]byte(*customNetPtr)).Bytes()[:4]
	rpcUser := *rpcUserflag
	rpcPassword := *rpcPasswordflag
	factomdTLS := *factomdTLSflag
	factomdLocations := *factomdLocationsflag

	// Must add the prefix before loading the configuration.
	s.AddPrefix(prefix)
	FactomConfigFilename := util.GetConfigFilename("m2")
	fmt.Println(fmt.Sprintf("factom config: %s", FactomConfigFilename))
	s.LoadConfig(FactomConfigFilename, networkName)
	s.OneLeader = rotate
	s.TimeOffset = primitives.NewTimestampFromMilliseconds(uint64(timeOffset))
	s.StartDelayLimit = startDelay * 1000
	s.Journaling = journaling

	if 999 < portOverride { // The command line flag exists and seems reasonable.
		s.SetPort(portOverride)
	}

	if blkTime != 0 {
		s.DirectoryBlockInSeconds = blkTime
	} else {
		blkTime = s.DirectoryBlockInSeconds
	}

	if follower {
		leader = false
	}
	if leader {
		follower = false
	}
	if !follower && !leader {
		panic("Not a leader or a follower")
	}

	if journal != "" {
		cnt = 1
	}
//.........這裏部分代碼省略.........

func CreateAndPopulateTestState() *state.State {
	s := new(state.State)
	s.DB = CreateAndPopulateTestDatabaseOverlay()
	s.LoadConfig("", "")
	s.Init()
	s.NetworkNumber = constants.NETWORK_MAIN
	/*err := s.RecalculateBalances()
	if err != nil {
		panic(err)
	}*/
	s.SetFactoshisPerEC(1)
	state.LoadDatabase(s)
	s.UpdateState()
	go s.ValidatorLoop()
	time.Sleep(30 * time.Millisecond)

	return s
}

func CreateAndPopulateTestStateForFER(testEntries []FEREntryWithHeight, desiredHeight int) *state.State {
	s := new(state.State)
	s.DB = CreateAndPopulateTestDatabaseOverlayForFER(testEntries, desiredHeight)
	s.LoadConfig("", "")
	s.Init()
	/*err := s.RecalculateBalances()
	if err != nil {
		panic(err)
	}*/
	s.SetFactoshisPerEC(1)
	state.LoadDatabase(s)
	s.FERChainId = "111111118d918a8be684e0dac725493a75862ef96d2d3f43f84b26969329bf03"
	s.UpdateState()
	go s.ValidatorLoop()
	time.Sleep(20 * time.Millisecond)

	return s
}