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state.go
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state.go
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// Copyright 2017 Factom Foundation
// Use of this source code is governed by the MIT
// license that can be found in the LICENSE file.
package state
import (
"bufio"
"bytes"
"crypto/rand"
"encoding/binary"
"encoding/json"
"errors"
"fmt"
"os"
"path/filepath"
"reflect"
"strings"
"sync"
"time"
"github.com/DCNT-developer/dcnt/common/constants/runstate"
"github.com/DCNT-developer/dcnt/activations"
"github.com/DCNT-developer/dcnt/common/adminBlock"
"github.com/DCNT-developer/dcnt/common/constants"
"github.com/DCNT-developer/dcnt/common/globals"
. "github.com/DCNT-developer/dcnt/common/identity"
"github.com/DCNT-developer/dcnt/common/interfaces"
"github.com/DCNT-developer/dcnt/common/messages"
"github.com/DCNT-developer/dcnt/common/primitives"
"github.com/DCNT-developer/dcnt/database/boltdb"
"github.com/DCNT-developer/dcnt/database/databaseOverlay"
"github.com/DCNT-developer/dcnt/database/leveldb"
"github.com/DCNT-developer/dcnt/database/mapdb"
"github.com/DCNT-developer/dcnt/p2p"
"github.com/DCNT-developer/dcnt/util"
"github.com/DCNT-developer/dcnt/util/atomic"
"github.com/DCNT-developer/dcnt/wsapi"
"github.com/DCNT-developer/logrustash"
"regexp"
"github.com/DCNT-developer/dcnt/Utilities/CorrectChainHeads/correctChainHeads"
log "github.com/sirupsen/logrus"
)
// packageLogger is the general logger for all package related logs. You can add additional fields,
// or create more context loggers off of this
var packageLogger = log.WithFields(log.Fields{"package": "state"})
var _ = fmt.Print
type State struct {
Logger *log.Entry
RunState runstate.RunState
NetworkController *p2p.Controller
Salt interfaces.IHash
Cfg interfaces.IFactomConfig
ConfigFilePath string // $HOME/.factom/m2/dcnt.conf by default
Prefix string
FactomNodeName string
dcntVersion string
LogPath string
LdbPath string
BoltDBPath string
LogLevel string
ConsoleLogLevel string
NodeMode string
DBType string
CheckChainHeads struct {
CheckChainHeads bool
Fix bool
}
CloneDBType string
ExportData bool
ExportDataSubpath string
LogBits int64 // Bit zero is for logging the Directory Block on DBSig [5]
DBStatesSent []*interfaces.DBStateSent
DBStatesReceivedBase int
DBStatesReceived []*messages.DBStateMsg
LocalServerPrivKey string
DirectoryBlockInSeconds int
PortNumber int
Replay *Replay
FReplay *Replay
CrossReplay *CrossReplayFilter
DropRate int
Delay int64 // Simulation delays sending messages this many milliseconds
ControlPanelPort int
ControlPanelSetting int
// Keeping the last display state lets us know when to send over the new blocks
LastDisplayState *DisplayState
ControlPanelChannel chan DisplayState
ControlPanelDataRequest bool // If true, update Display state
// Network Configuration
Network string
MainNetworkPort string
PeersFile string
MainSeedURL string
MainSpecialPeers string
TestNetworkPort string
TestSeedURL string
TestSpecialPeers string
LocalNetworkPort string
LocalSeedURL string
LocalSpecialPeers string
CustomNetworkPort string
CustomSeedURL string
CustomSpecialPeers string
CustomNetworkID []byte
CustomBootstrapIdentity string
CustomBootstrapKey string
IdentityChainID interfaces.IHash // If this node has an identity, this is it
//Identities []*Identity // Identities of all servers in management chain
// Authorities []*Authority // Identities of all servers in management chain
AuthorityServerCount int // number of federated or audit servers allowed
IdentityControl *IdentityManager
// Just to print (so debugging doesn't drive functionality)
Status int // Return a status (0 do nothing, 1 provide queues, 2 provide consensus data)
serverPrt string
StatusMutex sync.Mutex
StatusStrs []string
Starttime time.Time
transCnt int
lasttime time.Time
tps float64
ResetTryCnt int
ResetCnt int
// pending entry/transaction api calls for the holding queue do not have proper scope
// This is used to create a temporary, correctly scoped holding queue snapshot for the calls on demand
HoldingMutex sync.RWMutex
HoldingLast int64
HoldingMap map[[32]byte]interfaces.IMsg
// Elections are managed through the Elections Structure
EFactory interfaces.IElectionsFactory
Elections interfaces.IElections
Election0 string // Title
Election1 string // Election state for display
Election2 string // Election state for display
Election3 string // Election leader list
// pending entry/transaction api calls for the ack queue do not have proper scope
// This is used to create a temporary, correctly scoped ackqueue snapshot for the calls on demand
AcksMutex sync.RWMutex
AcksLast int64
AcksMap map[[32]byte]interfaces.IMsg
DBStateAskCnt int
DBStateReplyCnt int
DBStateIgnoreCnt int
DBStateAppliedCnt int
MissingRequestAskCnt int
MissingRequestReplyCnt int
MissingRequestIgnoreCnt int
MissingResponseAppliedCnt int
ResendCnt int
ExpireCnt int
tickerQueue chan int
timerMsgQueue chan interfaces.IMsg
TimeOffset interfaces.Timestamp
MaxTimeOffset interfaces.Timestamp
networkOutMsgQueue NetOutMsgQueue
networkInvalidMsgQueue chan interfaces.IMsg
inMsgQueue InMsgMSGQueue
inMsgQueue2 InMsgMSGQueue
electionsQueue ElectionQueue
apiQueue APIMSGQueue
ackQueue chan interfaces.IMsg
msgQueue chan interfaces.IMsg
ShutdownChan chan int // For gracefully halting Factom
JournalFile string
Journaling bool
ServerPrivKey *primitives.PrivateKey
ServerPubKey *primitives.PublicKey
serverPendingPrivKeys []*primitives.PrivateKey
serverPendingPubKeys []*primitives.PublicKey
// RPC connection config
RpcUser string
RpcPass string
RpcAuthHash []byte
dcntTLSEnable bool
dcntTLSKeyFile string
dcntTLSCertFile string
dcntLocations string
CorsDomains []string
// Server State
StartDelay int64 // Time in Milliseconds since the last DBState was applied
StartDelayLimit int64
DBFinished bool
RunLeader bool
BootTime int64 // Time in seconds that we last booted
// Ignore missing messages for a period to allow rebooting a network where your
// own messages from the previously executing network can confuse you.
IgnoreDone bool
IgnoreMissing bool
// Timout and Limit for outstanding missing DBState requests
RequestTimeout time.Duration
RequestLimit int
LLeaderHeight uint32
Leader bool
LeaderVMIndex int
LeaderPL *ProcessList
PLProcessHeight uint32
// Height cutoff where no missing messages below this height
DBHeightAtBoot uint32
TimestampAtBoot interfaces.Timestamp
OneLeader bool
OutputAllowed bool
LeaderNewMin int
CurrentMinute int
// These are the start times for blocks and minutes
PreviousMinuteStartTime int64
CurrentMinuteStartTime int64
CurrentBlockStartTime int64
EOMsyncing bool
EOMSyncTime int64
EOM bool // Set to true when the first EOM is encountered
EOMLimit int
EOMProcessed int
EOMDone bool
EOMMinute int
EOMSys bool // At least one EOM has covered the System List
DBSig bool
DBSigLimit int
DBSigProcessed int // Number of DBSignatures received and processed.
DBSigDone bool
DBSigSys bool // At least one DBSig has covered the System List
CreatedLastBlockFromDBState bool
// By default, this is false, which means DBstates are discarded
// when a majority of leaders disagree with the hash we have via DBSigs
KeepMismatch bool
DBSigFails int // Keep track of how many blockhash mismatches we've had to correct
Saving bool // True if we are in the process of saving to the database
Syncing bool // Looking for messages from leaders to sync
NetStateOff bool // Disable if true, Enable if false
DebugConsensus bool // If true, dump consensus trace
FactoidTrans int
ECCommits int
ECommits int
FCTSubmits int
NewEntryChains int
NewEntries int
LeaderTimestamp interfaces.Timestamp
MessageFilterTimestamp interfaces.Timestamp
// Maps
// ====
// For Follower
ResendHolding interfaces.Timestamp // Timestamp to gate resending holding to neighbors
Holding map[[32]byte]interfaces.IMsg // Hold Messages
XReview []interfaces.IMsg // After the EOM, we must review the messages in Holding
Acks map[[32]byte]interfaces.IMsg // Hold Acknowledgements
Commits *SafeMsgMap // map[[32]byte]interfaces.IMsg // Commit Messages
InvalidMessages map[[32]byte]interfaces.IMsg
InvalidMessagesMutex sync.RWMutex
AuditHeartBeats []interfaces.IMsg // The checklist of HeartBeats for this period
FaultTimeout int
FaultWait int
EOMfaultIndex int
LastTiebreak int64
AuthoritySetString string
// Network MAIN = 0, TEST = 1, LOCAL = 2, CUSTOM = 3
NetworkNumber int // Encoded into Directory Blocks(s.Cfg.(*util.dcntConfig)).String()
// Database
DB interfaces.DBOverlaySimple
Anchor interfaces.IAnchor
// Directory Block State
DBStates *DBStateList // Holds all DBStates not yet processed.
StatesMissing *StatesMissing
StatesWaiting *StatesWaiting
StatesReceived *StatesReceived
// Having all the state for a particular directory block stored in one structure
// makes creating the next state, updating the various states, and setting up the next
// state much more simple.
//
// Functions that provide state information take a dbheight param. I use the current
// DBHeight to ensure that I return the proper information for the right directory block
// height, even if it changed out from under the calling code.
//
// Process list previous [0], present(@DBHeight) [1], and future (@DBHeight+1) [2]
ResetRequest bool // Set to true to trigger a reset
ProcessLists *ProcessLists
HighestKnown uint32
HighestAck uint32
AuthorityDeltas string
// Factom State
FactoidState interfaces.IFactoidState
NumTransactions int
// Permanent balances from processing blocks.
RestoreFCT map[[32]byte]int64
RestoreEC map[[32]byte]int64
FactoidBalancesPapi map[[32]byte]int64
FactoidBalancesP map[[32]byte]int64
FactoidBalancesPMutex sync.Mutex
ECBalancesPapi map[[32]byte]int64
ECBalancesP map[[32]byte]int64
ECBalancesPMutex sync.Mutex
TempBalanceHash interfaces.IHash
Balancehash interfaces.IHash
// Web Services
Port int
// For Replay / journal
IsReplaying bool
ReplayTimestamp interfaces.Timestamp
// State for the Entry Syncing process
EntrySyncState *EntrySync
MissingEntryBlockRepeat interfaces.Timestamp
// DBlock Height at which node has a complete set of eblocks+entries
EntryBlockDBHeightComplete uint32
// DBlock Height at which we have started asking for entry blocks
EntryBlockDBHeightProcessing uint32
// Entry Blocks we don't have that we are asking our neighbors for
MissingEntryBlocks []MissingEntryBlock
MissingEntryRepeat interfaces.Timestamp
// DBlock Height at which node has a complete set of eblocks+entries
EntryDBHeightComplete uint32
// DBlock Height at which we have started asking for or have all entries
EntryDBHeightProcessing uint32
// Height in the Directory Block where we have
// Entries we don't have that we are asking our neighbors for
MissingEntries chan *MissingEntry
// Holds leaders and followers up until all missing entries are processed, if true
WaitForEntries bool
UpdateEntryHash chan *EntryUpdate // Channel for updating entry Hashes tracking (repeats and such)
WriteEntry chan interfaces.IEBEntry
// MessageTally causes the node to keep track of (and display) running totals of each
// type of message received during the tally interval
MessageTally bool
MessageTalliesReceived [constants.NUM_MESSAGES]int
MessageTalliesSent [constants.NUM_MESSAGES]int
LastPrint string
LastPrintCnt int
// FER section
FactoshisPerEC uint64
FERChainId string
ExchangeRateAuthorityPublicKey string
FERChangeHeight uint32
FERChangePrice uint64
FERPriority uint32
FERPrioritySetHeight uint32
AckChange uint32
StateSaverStruct StateSaverStruct
// Logstash
UseLogstash bool
LogstashURL string
// Plugins
useTorrents bool
torrentUploader bool
Uploader *UploadController // Controls the uploads of torrents. Prevents backups
DBStateManager interfaces.IManagerController
HighestCompletedTorrent uint32
FastBoot bool
FastBootLocation string
FastSaveRate int
// These stats are collected when we write the dbstate to the database.
NumNewChains int // Number of new Chains in this block
NumNewEntries int // Number of new Entries, not counting the first entry in a chain
NumEntries int // Number of entries in this block (including the entries that create chains)
NumEntryBlocks int // Number of Entry Blocks
NumFCTTrans int // Number of Factoid Transactions in this block
// debug message about state status rolling queue for ControlPanel
pstate string
SyncingState [256]string
SyncingStateCurrent int
ProcessListProcessCnt int64 // count of attempts to process .. so we can see if the thread is running
StateProcessCnt int64
StateUpdateState int64
ValidatorLoopSleepCnt int64
processCnt int64 // count of attempts to process .. so we can see if the thread is running
MMRInfo // fields for MMR processing
reportedActivations [activations.ACTIVATION_TYPE_COUNT + 1]bool // flags about which activations we have reported (+1 because we don't use 0)
validatorLoopThreadID string
OutputRegEx *regexp.Regexp
OutputRegExString string
InputRegEx *regexp.Regexp
InputRegExString string
executeRecursionDetection map[[32]byte]interfaces.IMsg
Hold HoldingList
}
var _ interfaces.IState = (*State)(nil)
type EntryUpdate struct {
Hash interfaces.IHash
Timestamp interfaces.Timestamp
}
func (s *State) GetConfigPath() string {
return s.ConfigFilePath
}
func (s *State) GetRunState() runstate.RunState {
return s.RunState
}
func (s *State) Clone(cloneNumber int) interfaces.IState {
newState := new(State)
number := fmt.Sprintf("%02d", cloneNumber)
simConfigPath := util.GetHomeDir() + "/.factom/m2/simConfig/"
configfile := fmt.Sprintf("%sdcnt%03d.conf", simConfigPath, cloneNumber)
if cloneNumber == 1 {
os.Stderr.WriteString(fmt.Sprintf("Looking for Config File %s\n", configfile))
}
if _, err := os.Stat(simConfigPath); os.IsNotExist(err) {
os.Stderr.WriteString("Creating simConfig directory\n")
os.MkdirAll(simConfigPath, 0775)
}
newState.FactomNodeName = s.Prefix + "FNode" + number
config := false
if _, err := os.Stat(configfile); !os.IsNotExist(err) {
os.Stderr.WriteString(fmt.Sprintf(" Using the %s config file.\n", configfile))
newState.LoadConfig(configfile, s.GetNetworkName())
config = true
}
if s.LogPath == "stdout" {
newState.LogPath = "stdout"
} else {
newState.LogPath = s.LogPath + "/Sim" + number
}
newState.FactomNodeName = s.Prefix + "FNode" + number
newState.dcntVersion = s.dcntVersion
newState.RunState = runstate.New // reset runstate since this clone will be started by sim node
newState.DropRate = s.DropRate
newState.LdbPath = s.LdbPath + "/Sim" + number
newState.JournalFile = s.LogPath + "/journal" + number + ".log"
newState.Journaling = s.Journaling
newState.BoltDBPath = s.BoltDBPath + "/Sim" + number
newState.LogLevel = s.LogLevel
newState.ConsoleLogLevel = s.ConsoleLogLevel
newState.NodeMode = "FULL"
newState.CloneDBType = s.CloneDBType
newState.DBType = s.CloneDBType
newState.CheckChainHeads = s.CheckChainHeads
newState.ExportData = s.ExportData
newState.ExportDataSubpath = s.ExportDataSubpath + "sim-" + number
newState.Network = s.Network
newState.MainNetworkPort = s.MainNetworkPort
newState.PeersFile = s.PeersFile
newState.MainSeedURL = s.MainSeedURL
newState.MainSpecialPeers = s.MainSpecialPeers
newState.TestNetworkPort = s.TestNetworkPort
newState.TestSeedURL = s.TestSeedURL
newState.TestSpecialPeers = s.TestSpecialPeers
newState.LocalNetworkPort = s.LocalNetworkPort
newState.LocalSeedURL = s.LocalSeedURL
newState.LocalSpecialPeers = s.LocalSpecialPeers
newState.CustomNetworkPort = s.CustomNetworkPort
newState.CustomSeedURL = s.CustomSeedURL
newState.CustomSpecialPeers = s.CustomSpecialPeers
newState.StartDelayLimit = s.StartDelayLimit
newState.CustomNetworkID = s.CustomNetworkID
newState.CustomBootstrapIdentity = s.CustomBootstrapIdentity
newState.CustomBootstrapKey = s.CustomBootstrapKey
newState.DirectoryBlockInSeconds = s.DirectoryBlockInSeconds
newState.PortNumber = s.PortNumber
newState.ControlPanelPort = s.ControlPanelPort
newState.ControlPanelSetting = s.ControlPanelSetting
//newState.Identities = s.Identities
//newState.Authorities = s.Authorities
newState.AuthorityServerCount = s.AuthorityServerCount
newState.IdentityControl = s.IdentityControl.Clone()
newState.FaultTimeout = s.FaultTimeout
newState.FaultWait = s.FaultWait
newState.EOMfaultIndex = s.EOMfaultIndex
if !config {
newState.IdentityChainID = primitives.Sha([]byte(newState.FactomNodeName))
s.LogPrintf("AckChange", "Default3 IdentityChainID %v", s.IdentityChainID.String())
//generate and use a new deterministic PrivateKey for this clone
shaHashOfNodeName := primitives.Sha([]byte(newState.FactomNodeName)) //seed the private key with node name
clonePrivateKey := primitives.NewPrivateKeyFromHexBytes(shaHashOfNodeName.Bytes())
newState.LocalServerPrivKey = clonePrivateKey.PrivateKeyString()
s.initServerKeys()
}
newState.TimestampAtBoot = primitives.NewTimestampFromMilliseconds(s.TimestampAtBoot.GetTimeMilliUInt64())
newState.LeaderTimestamp = primitives.NewTimestampFromMilliseconds(s.LeaderTimestamp.GetTimeMilliUInt64())
newState.SetMessageFilterTimestamp(s.MessageFilterTimestamp)
newState.FactoshisPerEC = s.FactoshisPerEC
newState.Port = s.Port
newState.OneLeader = s.OneLeader
newState.OneLeader = s.OneLeader
newState.RpcUser = s.RpcUser
newState.RpcPass = s.RpcPass
newState.RpcAuthHash = s.RpcAuthHash
newState.RequestTimeout = s.RequestTimeout
newState.RequestLimit = s.RequestLimit
newState.dcntTLSEnable = s.dcntTLSEnable
newState.dcntTLSKeyFile = s.dcntTLSKeyFile
newState.dcntTLSCertFile = s.dcntTLSCertFile
newState.dcntLocations = s.dcntLocations
newState.FastSaveRate = s.FastSaveRate
newState.CorsDomains = s.CorsDomains
switch newState.DBType {
case "LDB":
newState.StateSaverStruct.FastBoot = s.StateSaverStruct.FastBoot
newState.StateSaverStruct.FastBootLocation = newState.LdbPath
break
case "Bolt":
newState.StateSaverStruct.FastBoot = s.StateSaverStruct.FastBoot
newState.StateSaverStruct.FastBootLocation = newState.BoltDBPath
break
}
if globals.Params.WriteProcessedDBStates {
path := filepath.Join(newState.LdbPath, newState.Network, "dbstates")
os.MkdirAll(path, 0775)
}
return newState
}
func (s *State) AddPrefix(prefix string) {
s.Prefix = prefix
}
func (s *State) GetFactomNodeName() string {
return s.FactomNodeName
}
func (s *State) GetDBStatesSent() []*interfaces.DBStateSent {
return s.DBStatesSent
}
func (s *State) SetDBStatesSent(sents []*interfaces.DBStateSent) {
s.DBStatesSent = sents
}
func (s *State) GetDelay() int64 {
return s.Delay
}
func (s *State) SetDelay(delay int64) {
s.Delay = delay
}
func (s *State) GetBootTime() int64 {
return s.BootTime
}
func (s *State) GetDropRate() int {
return s.DropRate
}
func (s *State) SetDropRate(droprate int) {
s.DropRate = droprate
}
func (s *State) SetAuthoritySetString(authSet string) {
s.AuthoritySetString = authSet
}
func (s *State) GetAuthoritySetString() string {
return s.AuthoritySetString
}
func (s *State) AddAuthorityDelta(authSet string) {
s.AuthorityDeltas += fmt.Sprintf("\n%s", authSet)
}
func (s *State) GetAuthorityDeltas() string {
return s.AuthorityDeltas
}
func (s *State) GetNetStateOff() bool { // If true, all network communications are disabled
return s.NetStateOff
}
func (s *State) SetNetStateOff(net bool) {
//flag this in everyone!
s.LogPrintf("executeMsg", "State.SetNetStateOff(%v)", net)
s.LogPrintf("election", "State.SetNetStateOff(%v)", net)
s.LogPrintf("InMsgQueue", "State.SetNetStateOff(%v)", net)
s.LogPrintf("NetworkInputs", "State.SetNetStateOff(%v)", net)
s.NetStateOff = net
}
func (s *State) GetRpcUser() string {
return s.RpcUser
}
func (s *State) GetCorsDomains() []string {
return s.CorsDomains
}
func (s *State) GetRpcPass() string {
return s.RpcPass
}
func (s *State) SetRpcAuthHash(authHash []byte) {
s.RpcAuthHash = authHash
}
func (s *State) GetRpcAuthHash() []byte {
return s.RpcAuthHash
}
func (s *State) GetTlsInfo() (bool, string, string) {
return s.dcntTLSEnable, s.dcntTLSKeyFile, s.dcntTLSCertFile
}
func (s *State) GetdcntLocations() string {
return s.dcntLocations
}
func (s *State) GetCurrentBlockStartTime() int64 {
return s.CurrentBlockStartTime
}
func (s *State) GetCurrentMinute() int {
return s.CurrentMinute
}
func (s *State) GetCurrentMinuteStartTime() int64 {
return s.CurrentMinuteStartTime
}
func (s *State) GetPreviousMinuteStartTime() int64 {
return s.PreviousMinuteStartTime
}
func (s *State) GetCurrentTime() int64 {
return time.Now().UnixNano()
}
func (s *State) IsSyncing() bool {
return s.Syncing
}
func (s *State) IsSyncingEOMs() bool {
return s.Syncing && s.EOM && !s.EOMDone
}
func (s *State) IsSyncingDBSigs() bool {
return s.Syncing && s.DBSig && !s.DBSigDone
}
func (s *State) DidCreateLastBlockFromDBState() bool {
return s.CreatedLastBlockFromDBState
}
func (s *State) IncDBStateAnswerCnt() {
s.DBStateReplyCnt++
}
func (s *State) IncFCTSubmits() {
s.FCTSubmits++
}
func (s *State) IncECCommits() {
s.ECCommits++
}
func (s *State) IncECommits() {
s.ECommits++
}
func (s *State) GetAckChange() (bool, error) {
var flag bool
change, err := util.GetChangeAcksHeight(s.ConfigFilePath)
if err != nil {
return flag, err
}
flag = s.AckChange != change
s.AckChange = change
return flag, nil
}
func (s *State) LoadConfig(filename string, networkFlag string) {
// s.FactomNodeName = s.Prefix + "FNode0" // Default Factom Node Name for Simulation
if len(filename) > 0 {
s.ConfigFilePath = filename
s.ReadCfg(filename)
// Get our dcnt configuration information.
cfg := s.GetCfg().(*util.dcntConfig)
s.Network = cfg.App.Network
if 0 < len(networkFlag) { // Command line overrides the config file.
s.Network = networkFlag
globals.Params.NetworkName = networkFlag // in case it did not come from there.
} else {
globals.Params.NetworkName = s.Network
}
fmt.Printf("\n\nNetwork : %s\n", s.Network)
networkName := strings.ToLower(s.Network) + "-"
// TODO: improve the paths after milestone 1
cfg.App.LdbPath = cfg.App.HomeDir + networkName + cfg.App.LdbPath
cfg.App.BoltDBPath = cfg.App.HomeDir + networkName + cfg.App.BoltDBPath
cfg.App.DataStorePath = cfg.App.HomeDir + networkName + cfg.App.DataStorePath
cfg.Log.LogPath = cfg.App.HomeDir + networkName + cfg.Log.LogPath
cfg.App.ExportDataSubpath = cfg.App.HomeDir + networkName + cfg.App.ExportDataSubpath
cfg.App.PeersFile = cfg.App.HomeDir + networkName + cfg.App.PeersFile
cfg.App.ControlPanelFilesPath = cfg.App.HomeDir + cfg.App.ControlPanelFilesPath
s.LogPath = cfg.Log.LogPath + s.Prefix
s.LdbPath = cfg.App.LdbPath + s.Prefix
s.BoltDBPath = cfg.App.BoltDBPath + s.Prefix
s.LogLevel = cfg.Log.LogLevel
s.ConsoleLogLevel = cfg.Log.ConsoleLogLevel
s.NodeMode = cfg.App.NodeMode
s.DBType = cfg.App.DBType
s.ExportData = cfg.App.ExportData // bool
s.ExportDataSubpath = cfg.App.ExportDataSubpath
s.MainNetworkPort = cfg.App.MainNetworkPort
s.PeersFile = cfg.App.PeersFile
s.MainSeedURL = cfg.App.MainSeedURL
s.MainSpecialPeers = cfg.App.MainSpecialPeers
s.TestNetworkPort = cfg.App.TestNetworkPort
s.TestSeedURL = cfg.App.TestSeedURL
s.TestSpecialPeers = cfg.App.TestSpecialPeers
s.CustomBootstrapIdentity = cfg.App.CustomBootstrapIdentity
s.CustomBootstrapKey = cfg.App.CustomBootstrapKey
s.LocalNetworkPort = cfg.App.LocalNetworkPort
s.LocalSeedURL = cfg.App.LocalSeedURL
s.LocalSpecialPeers = cfg.App.LocalSpecialPeers
s.LocalServerPrivKey = cfg.App.LocalServerPrivKey
s.CustomNetworkPort = cfg.App.CustomNetworkPort
s.CustomSeedURL = cfg.App.CustomSeedURL
s.CustomSpecialPeers = cfg.App.CustomSpecialPeers
s.FactoshisPerEC = cfg.App.ExchangeRate
s.DirectoryBlockInSeconds = cfg.App.DirectoryBlockInSeconds
s.PortNumber = cfg.App.PortNumber
s.ControlPanelPort = cfg.App.ControlPanelPort
s.RpcUser = cfg.App.dcntRpcUser
s.RpcPass = cfg.App.dcntRpcPass
// if RequestTimeout is not set by the configuration it will default to 0.
// If it is 0, the loop that uses it will set it to the blocktime/20
// We set it there, as blktime might change after this function (from mainnet selection)
s.RequestTimeout = time.Duration(cfg.App.RequestTimeout) * time.Second
s.RequestLimit = cfg.App.RequestLimit
s.StateSaverStruct.FastBoot = cfg.App.FastBoot
s.StateSaverStruct.FastBootLocation = cfg.App.FastBootLocation
s.FastBoot = cfg.App.FastBoot
s.FastBootLocation = cfg.App.FastBootLocation
// to test run curl -H "Origin: http://anotherexample.com" -H "Access-Control-Request-Method: POST" /
// -H "Access-Control-Request-Headers: X-Requested-With" -X POST /
// --data-binary '{"jsonrpc": "2.0", "id": 0, "method": "heights"}' -H 'content-type:text/plain;' /
// --verbose http://localhost:8088/v2
// while the config file has http://anotherexample.com in parameter CorsDomains the response should contain the string
// < Access-Control-Allow-Origin: http://anotherexample.com
if len(cfg.App.CorsDomains) > 0 {
domains := strings.Split(cfg.App.CorsDomains, ",")
s.CorsDomains = make([]string, len(domains))
for _, domain := range domains {
s.CorsDomains = append(s.CorsDomains, strings.Trim(domain, " "))
}
}
s.dcntTLSEnable = cfg.App.dcntTlsEnabled
if cfg.App.dcntTlsPrivateKey == "/full/path/to/dcntAPIpriv.key" {
s.dcntTLSKeyFile = fmt.Sprint(cfg.App.HomeDir, "dcntAPIpriv.key")
}
if cfg.App.dcntTlsPublicCert == "/full/path/to/dcntAPIpub.cert" {
s.dcntTLSCertFile = fmt.Sprint(cfg.App.HomeDir, "dcntAPIpub.cert")
}
externalIP := strings.Split(cfg.Walletd.dcntLocation, ":")[0]
if externalIP != "localhost" {
s.dcntLocations = externalIP
}
switch cfg.App.ControlPanelSetting {
case "disabled":
s.ControlPanelSetting = 0
case "readonly":
s.ControlPanelSetting = 1
case "readwrite":
s.ControlPanelSetting = 2
default:
s.ControlPanelSetting = 1
}
s.FERChainId = cfg.App.ExchangeRateChainId
s.ExchangeRateAuthorityPublicKey = cfg.App.ExchangeRateAuthorityPublicKey
identity, err := primitives.HexToHash(cfg.App.IdentityChainID)
if err != nil {
s.IdentityChainID = primitives.Sha([]byte(s.FactomNodeName))
s.LogPrintf("AckChange", "Bad IdentityChainID in config \"%v\"", cfg.App.IdentityChainID)
s.LogPrintf("AckChange", "Default2 IdentityChainID \"%v\"", s.IdentityChainID.String())
} else {
s.IdentityChainID = identity
s.LogPrintf("AckChange", "Load IdentityChainID \"%v\"", s.IdentityChainID.String())
}
if cfg.App.P2PIncoming > 0 {
p2p.MaxNumberIncomingConnections = cfg.App.P2PIncoming
}
if cfg.App.P2POutgoing > 0 {
p2p.NumberPeersToConnect = cfg.App.P2POutgoing
}
} else {
s.LogPath = "database/"
s.LdbPath = "database/ldb"
s.BoltDBPath = "database/bolt"
s.LogLevel = "none"
s.ConsoleLogLevel = "standard"
s.NodeMode = "SERVER"
s.DBType = "Map"
s.ExportData = false
s.ExportDataSubpath = "data/export"
s.Network = "TEST"
s.MainNetworkPort = "8108"
s.PeersFile = "peers.json"
s.MainSeedURL = "https://raw.githubusercontent.com/DCNT-developer/DCNT/master/seed/mainseed.txt"
s.MainSpecialPeers = ""
s.TestNetworkPort = "8109"
s.TestSeedURL = "https://raw.githubusercontent.com/DCNT-developer/DCNT/master/seed/testseed.txt"
s.TestSpecialPeers = ""
s.LocalNetworkPort = "8110"
s.LocalSeedURL = "https://raw.githubusercontent.com/DCNT-developer/DCNT/master/seed/localseed.txt"
s.LocalSpecialPeers = ""
s.LocalServerPrivKey = "4c38c72fc5cdad68f13b74674d3ffb1f3d63a112710868c9b08946553448d26d"
s.FactoshisPerEC = 006666
s.FERChainId = "111111118d918a8be684e0dac725493a75862ef96d2d3f43f84b26969329bf03"
s.ExchangeRateAuthorityPublicKey = "3b6a27bcceb6a42d62a3a8d02a6f0d73653215771de243a63ac048a18b59da29"
s.DirectoryBlockInSeconds = 6
s.PortNumber = 8088
s.ControlPanelPort = 8090
s.ControlPanelSetting = 1
// TODO: Actually load the IdentityChainID from the config file
s.IdentityChainID = primitives.Sha([]byte(s.FactomNodeName))
s.LogPrintf("AckChange", "Default IdentityChainID %v", s.IdentityChainID.String())
}
s.JournalFile = s.LogPath + "/journal0" + ".log"
s.updateNetworkControllerConfig()
}
func (s *State) GetSalt(ts interfaces.Timestamp) uint32 {
if s.Salt == nil {
b := make([]byte, 32)
_, err := rand.Read(b)
// Note that err == nil only if we read len(b) bytes.
if err != nil {
panic("Random Number Failure")
}
s.Salt = primitives.Sha(b)
}
var b [32]byte
copy(b[:], s.Salt.Bytes())
binary.BigEndian.PutUint64(b[:], uint64(ts.GetTimeMilli()))
c := primitives.Sha(b[:])
return binary.BigEndian.Uint32(c.Bytes())
}
func (s *State) Init() {
if s.Salt == nil {
b := make([]byte, 32)
_, err := rand.Read(b)
// Note that err == nil only if we read len(b) bytes.
if err != nil {
panic("Random Number Failure")
}
s.Salt = primitives.Sha(b)
}
salt := fmt.Sprintf("The Instance ID of this node is %s\n", s.Salt.String()[:16])
fmt.Print(salt)
s.StartDelay = s.GetTimestamp().GetTimeMilli() // We can't start as a leader until we know we are upto date
s.RunLeader = false
s.IgnoreMissing = true
s.BootTime = s.GetTimestamp().GetTimeSeconds()
s.TimestampAtBoot = primitives.NewTimestampNow()
if s.LogPath == "stdout" {
wsapi.InitLogs(s.LogPath, s.LogLevel)
//s.Logger = log.NewLogFromConfig(s.LogPath, s.LogLevel, "State")
} else {
er := os.MkdirAll(s.LogPath, 0775)
if er != nil {
// fmt.Println("Could not create " + s.LogPath + "\n error: " + er.Error())
}
wsapi.InitLogs(s.LogPath+s.FactomNodeName+".log", s.LogLevel)
//s.Logger = log.NewLogFromConfig(s.LogPath, s.LogLevel, "State")
}
s.Hold.Init(s) // setup the dependant holding map
s.TimeOffset = new(primitives.Timestamp) //interfaces.Timestamp(int64(rand.Int63() % int64(time.Microsecond*10)))
s.InvalidMessages = make(map[[32]byte]interfaces.IMsg, 0)
s.ShutdownChan = make(chan int, 1) //Channel to gracefully shut down.
s.tickerQueue = make(chan int, 100) //ticks from a clock
s.timerMsgQueue = make(chan interfaces.IMsg, 100) //incoming eom notifications, used by leaders
s.ControlPanelChannel = make(chan DisplayState, 20)
s.networkInvalidMsgQueue = make(chan interfaces.IMsg, 100) //incoming message queue from the network messages
s.networkOutMsgQueue = NewNetOutMsgQueue(constants.INMSGQUEUE_MED) //Messages to be broadcast to the network
s.inMsgQueue = NewInMsgQueue(constants.INMSGQUEUE_HIGH) //incoming message queue for Factom application messages
s.inMsgQueue2 = NewInMsgQueue(constants.INMSGQUEUE_HIGH) //incoming message queue for Factom application messages
s.electionsQueue = NewElectionQueue(constants.INMSGQUEUE_HIGH) //incoming message queue for Factom application messages
s.apiQueue = NewAPIQueue(constants.INMSGQUEUE_HIGH) //incoming message queue from the API
s.ackQueue = make(chan interfaces.IMsg, 50) //queue of Leadership messages
s.msgQueue = make(chan interfaces.IMsg, 50) //queue of Follower messages
s.MissingEntries = make(chan *MissingEntry, constants.INMSGQUEUE_HIGH) //Entries I discover are missing from the database
s.UpdateEntryHash = make(chan *EntryUpdate, constants.INMSGQUEUE_HIGH) //Handles entry hashes and updating Commit maps.
s.WriteEntry = make(chan interfaces.IEBEntry, constants.INMSGQUEUE_LOW) //Entries to be written to the database
if s.Journaling {
f, err := os.Create(s.JournalFile)
if err != nil {
fmt.Println("Could not create the journal file:", s.JournalFile)
s.JournalFile = ""
}
f.Close()
}
// Set up struct to stop replay attacks
s.Replay = new(Replay)
s.Replay.s = s
s.Replay.name = "Replay"
s.FReplay = new(Replay)
s.FReplay.s = s
s.FReplay.name = "FReplay"
// Set up maps for the followers
s.Holding = make(map[[32]byte]interfaces.IMsg)
s.Acks = make(map[[32]byte]interfaces.IMsg)
s.Commits = NewSafeMsgMap("commits", s) //make(map[[32]byte]interfaces.IMsg)
// Setup the FactoidState and Validation Service that holds factoid and entry credit balances