// End of Block means packing the current block away, and setting
// up the next
func (fs *FactoidState) ProcessEndOfBlock(state interfaces.IState) {
var hash, hash2 interfaces.IHash
if fs.GetCurrentBlock() == nil {
panic("Invalid state on initialization")
}
hash = fs.CurrentBlock.GetHash()
hash2 = fs.CurrentBlock.GetLedgerKeyMR()
state.GetCurrentDirectoryBlock().GetDBEntries()[2].SetKeyMR(hash)
if err := state.GetDB().SaveFactoidBlockHead(fs.CurrentBlock); err != nil {
panic(err)
}
state.SetPrevFactoidKeyMR(hash)
fs.CurrentBlock = block.NewFBlock(fs.GetFactoshisPerEC(), state.GetDBHeight()+1)
t := coinbase.GetCoinbase(primitives.GetTimeMilli())
err := fs.CurrentBlock.AddCoinbase(t)
if err != nil {
panic(err.Error())
}
fs.UpdateTransaction(t)
if hash != nil {
fs.CurrentBlock.SetPrevKeyMR(hash.Bytes())
fs.CurrentBlock.SetPrevLedgerKeyMR(hash2.Bytes())
}
}
// btcdMain is the real main function for btcd. It is necessary to work around
// the fact that deferred functions do not run when os.Exit() is called. The
// optional serverChan parameter is mainly used by the service code to be
// notified with the server once it is setup so it can gracefully stop it when
// requested from the service control manager.
//func btcdMain(serverChan chan<- *server) error {
func btcdMain(serverChan chan<- *Server, state interfaces.IState) error {
// Load configuration and parse command line. This function also
// initializes logging and configures it accordingly.
tcfg, _, err := loadConfig()
if err != nil {
return err
}
cfg = tcfg
// tweak some config options
cfg.DisableCheckpoints = true
defer backendLog.Flush()
// Show version at startup.
btcdLog.Infof("Version %s", version())
// Ensure the database is sync'd and closed on Ctrl+C.
AddInterruptHandler(func() {
btcdLog.Infof("Gracefully shutting down the database...")
state.GetDB().(interfaces.IDatabase).Close() //db.RollbackClose()
})
// Create server and start it.
server, err := newServer(cfg.Listeners, activeNetParams.Params, state)
if err != nil {
// TODO(oga) this logging could do with some beautifying.
btcdLog.Errorf("Unable to start server on %v: %v",
cfg.Listeners, err)
return err
}
AddInterruptHandler(func() {
btcdLog.Infof("Gracefully shutting down the server...")
server.Stop()
server.WaitForShutdown()
})
server.Start()
if serverChan != nil {
serverChan <- server
}
// Factom Additions BEGIN
//factomForkInit(server)
// Factom Additions END
go func() {
server.WaitForShutdown()
srvrLog.Infof("Server shutdown complete")
shutdownChannel <- struct{}{}
}()
// Wait for shutdown signal from either a graceful server stop or from
// the interrupt handler.
<-shutdownChannel
btcdLog.Info("Shutdown complete")
return nil
}
// InitAnchor inits rpc clients for factom
// and load up unconfirmed DirBlockInfo from leveldb
func InitAnchor(s interfaces.IState) (*Anchor, error) {
anchorLog.Debug("InitAnchor")
a := NewAnchor()
a.state = s
a.db = s.GetDB()
a.minBalance, _ = btcutil.NewAmount(0.01)
var err error
a.dirBlockInfoSlice, err = a.db.FetchAllUnconfirmedDirBlockInfos()
if err != nil {
anchorLog.Error("InitAnchor error - " + err.Error())
return nil, err
}
anchorLog.Debug("init dirBlockInfoSlice.len=", len(a.dirBlockInfoSlice))
// this might take a while to check missing DirBlockInfo for existing DirBlocks in database
//TODO: handle concurrance better
go a.checkMissingDirBlockInfo()
a.readConfig()
if err = a.InitRPCClient(); err != nil {
anchorLog.Error(err.Error())
} else {
a.updateUTXO(a.minBalance)
}
ticker0 := time.NewTicker(time.Minute * time.Duration(1))
go func() {
for _ = range ticker0.C {
a.checkForAnchor()
}
}()
ticker := time.NewTicker(time.Minute * time.Duration(a.tenMinutes))
go func() {
for _ = range ticker.C {
anchorLog.Info("In 10 minutes ticker...")
a.readConfig()
if a.dclient == nil || a.wclient == nil {
if err = a.InitRPCClient(); err != nil {
anchorLog.Error(err.Error())
}
}
if a.wclient != nil {
a.checkTxConfirmations()
}
}
}()
return a, nil
}
// DirBlockLocatorFromHash returns a block locator for the passed block hash.
// See BlockLocator for details on the algotirhm used to create a block locator.
//
// In addition to the general algorithm referenced above, there are a couple of
// special cases which are handled:
//
// - If the genesis hash is passed, there are no previous hashes to add and
// therefore the block locator will only consist of the genesis hash
// - If the passed hash is not currently known, the block locator will only
// consist of the passed hash
func DirBlockLocatorFromHash(hash interfaces.IHash, state interfaces.IState) BlockLocator {
// The locator contains the requested hash at the very least.
locator := make(BlockLocator, 0, messages.MaxBlockLocatorsPerMsg)
locator = append(locator, hash)
genesisHash, _ := HexToHash(GENESIS_DIR_BLOCK_HASH)
// Nothing more to do if a locator for the genesis hash was requested.
if genesisHash.IsSameAs(hash) {
return locator
}
// Attempt to find the height of the block that corresponds to the
// passed hash, and if it's on a side chain, also find the height at
// which it forks from the main chain.
blockHeight := int64(-1)
// Generate the block locators according to the algorithm described in
// in the BlockLocator comment and make sure to leave room for the
// final genesis hash.
dblock, _ := state.GetDB().FetchDBlockByHash(hash)
//dblock := dblock0.(directoryBlock.DirectoryBlock)
if dblock != nil {
blockHeight = int64(dblock.GetHeader().GetDBHeight())
}
increment := int64(1)
for len(locator) < messages.MaxBlockLocatorsPerMsg-1 {
// Once there are 10 locators, exponentially increase the
// distance between each block locator.
if len(locator) > 10 {
increment *= 2
}
blockHeight -= increment
if blockHeight < 1 {
break
}
blk, _ := state.GetDB().FetchDBlockByHeight(uint32(blockHeight))
if blk == nil || blk.GetHash() == nil {
//blk.DBHash, _ = CreateHash(blk)
continue
}
locator = append(locator, blk.GetHash())
}
// Append the appropriate genesis block.
locator = append(locator, genesisHash)
return locator
}