// New returns a ready-to-go miner that is not mining.
func New(cs modules.ConsensusSet, tpool modules.TransactionPool, w modules.Wallet, persistDir string) (*Miner, error) {
// Create the miner and its dependencies.
if cs == nil {
return nil, errors.New("miner cannot use a nil state")
}
if tpool == nil {
return nil, errors.New("miner cannot use a nil transaction pool")
}
if w == nil {
return nil, errors.New("miner cannot use a nil wallet")
}
// Grab some starting block variables.
currentBlock := cs.GenesisBlock().ID()
currentTarget, exists1 := cs.ChildTarget(currentBlock)
earliestTimestamp, exists2 := cs.EarliestChildTimestamp(currentBlock)
if build.DEBUG {
if !exists1 {
panic("could not get child target")
}
if !exists2 {
panic("could not get child earliest timestamp")
}
}
addr, _, err := w.CoinAddress(false) // false indicates that the address should not be visible to the user.
if err != nil {
return nil, err
}
// Assemble the miner.
m := &Miner{
cs: cs,
tpool: tpool,
wallet: w,
parent: currentBlock,
target: currentTarget,
earliestTimestamp: earliestTimestamp,
address: addr,
blockMem: make(map[types.BlockHeader]types.Block),
headerMem: make([]types.BlockHeader, headerForWorkMemory),
persistDir: persistDir,
mu: sync.New(modules.SafeMutexDelay, 1),
}
err = m.initPersist()
if err != nil {
return nil, err
}
m.tpool.TransactionPoolSubscribe(m)
return m, nil
}
// startDaemon uses the config parameters to initialize Sia modules and start
// siad.
func startDaemon(config Config) (err error) {
// Prompt user for API password.
if config.Siad.AuthenticateAPI {
config.APIPassword, err = speakeasy.Ask("Enter API password: "******"" {
return errors.New("password cannot be blank")
}
}
// Process the config variables after they are parsed by cobra.
config, err = processConfig(config)
if err != nil {
return err
}
// Print a startup message.
fmt.Println("Loading...")
loadStart := time.Now()
// Create the server and start serving daemon routes immediately.
fmt.Printf("(0/%d) Loading siad...\n", len(config.Siad.Modules))
srv, err := NewServer(config.Siad.APIaddr, config.Siad.RequiredUserAgent, config.APIPassword)
if err != nil {
return err
}
servErrs := make(chan error)
go func() {
servErrs <- srv.Serve()
}()
// Initialize the Sia modules
i := 0
var g modules.Gateway
if strings.Contains(config.Siad.Modules, "g") {
i++
fmt.Printf("(%d/%d) Loading gateway...\n", i, len(config.Siad.Modules))
g, err = gateway.New(config.Siad.RPCaddr, !config.Siad.NoBootstrap, filepath.Join(config.Siad.SiaDir, modules.GatewayDir))
if err != nil {
return err
}
defer g.Close()
}
var cs modules.ConsensusSet
if strings.Contains(config.Siad.Modules, "c") {
i++
fmt.Printf("(%d/%d) Loading consensus...\n", i, len(config.Siad.Modules))
cs, err = consensus.New(g, !config.Siad.NoBootstrap, filepath.Join(config.Siad.SiaDir, modules.ConsensusDir))
if err != nil {
return err
}
defer cs.Close()
}
var e modules.Explorer
if strings.Contains(config.Siad.Modules, "e") {
i++
fmt.Printf("(%d/%d) Loading explorer...\n", i, len(config.Siad.Modules))
e, err = explorer.New(cs, filepath.Join(config.Siad.SiaDir, modules.ExplorerDir))
if err != nil {
return err
}
defer e.Close()
}
var tpool modules.TransactionPool
if strings.Contains(config.Siad.Modules, "t") {
i++
fmt.Printf("(%d/%d) Loading transaction pool...\n", i, len(config.Siad.Modules))
tpool, err = transactionpool.New(cs, g, filepath.Join(config.Siad.SiaDir, modules.TransactionPoolDir))
if err != nil {
return err
}
defer tpool.Close()
}
var w modules.Wallet
if strings.Contains(config.Siad.Modules, "w") {
i++
fmt.Printf("(%d/%d) Loading wallet...\n", i, len(config.Siad.Modules))
w, err = wallet.New(cs, tpool, filepath.Join(config.Siad.SiaDir, modules.WalletDir))
if err != nil {
return err
}
defer w.Close()
}
var m modules.Miner
if strings.Contains(config.Siad.Modules, "m") {
i++
fmt.Printf("(%d/%d) Loading miner...\n", i, len(config.Siad.Modules))
m, err = miner.New(cs, tpool, w, filepath.Join(config.Siad.SiaDir, modules.MinerDir))
if err != nil {
return err
}
defer m.Close()
}
var h modules.Host
if strings.Contains(config.Siad.Modules, "h") {
i++
fmt.Printf("(%d/%d) Loading host...\n", i, len(config.Siad.Modules))
h, err = host.New(cs, tpool, w, config.Siad.HostAddr, filepath.Join(config.Siad.SiaDir, modules.HostDir))
if err != nil {
return err
}
defer h.Close()
}
var r modules.Renter
if strings.Contains(config.Siad.Modules, "r") {
i++
fmt.Printf("(%d/%d) Loading renter...\n", i, len(config.Siad.Modules))
r, err = renter.New(cs, w, tpool, filepath.Join(config.Siad.SiaDir, modules.RenterDir))
if err != nil {
return err
}
defer r.Close()
}
// Create the Sia API
a := api.New(
config.Siad.RequiredUserAgent,
config.APIPassword,
cs,
e,
g,
h,
m,
r,
tpool,
w,
)
// connect the API to the server
srv.mux.Handle("/", a)
// stop the server if a kill signal is caught
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, os.Interrupt, os.Kill)
go func() {
<-sigChan
fmt.Println("\rCaught stop signal, quitting...")
srv.Close()
}()
// Print a 'startup complete' message.
startupTime := time.Since(loadStart)
fmt.Println("Finished loading in", startupTime.Seconds(), "seconds")
err = <-servErrs
if err != nil {
build.Critical(err)
}
return nil
}
// New returns an initialized Host.
func New(cs *consensus.State, hdb modules.HostDB, tpool modules.TransactionPool, wallet modules.Wallet, addr string, saveDir string) (*Host, error) {
if cs == nil {
return nil, errors.New("host cannot use a nil state")
}
if hdb == nil {
return nil, errors.New("host cannot use a nil hostdb")
}
if tpool == nil {
return nil, errors.New("host cannot use a nil tpool")
}
if wallet == nil {
return nil, errors.New("host cannot use a nil wallet")
}
coinAddr, _, err := wallet.CoinAddress(false) // false indicates that the address should not be visible to the user.
if err != nil {
return nil, err
}
h := &Host{
cs: cs,
hostdb: hdb,
tpool: tpool,
wallet: wallet,
// default host settings
HostSettings: modules.HostSettings{
TotalStorage: 10e9, // 10 GB
MaxFilesize: 1e9, // 1 GB
MaxDuration: 144 * 60, // 60 days
WindowSize: 288, // 48 hours
Price: types.NewCurrency64(100e12), // 0.1 siacoin / mb / week
Collateral: types.NewCurrency64(0),
UnlockHash: coinAddr,
},
saveDir: saveDir,
obligationsByID: make(map[types.FileContractID]contractObligation),
obligationsByHeight: make(map[types.BlockHeight][]contractObligation),
mu: sync.New(modules.SafeMutexDelay, 1),
}
h.spaceRemaining = h.TotalStorage
// Create listener and set address.
h.listener, err = net.Listen("tcp", addr)
if err != nil {
return nil, err
}
_, port, _ := net.SplitHostPort(h.listener.Addr().String())
h.myAddr = modules.NetAddress(net.JoinHostPort(modules.ExternalIP, port))
err = os.MkdirAll(saveDir, 0700)
if err != nil {
return nil, err
}
err = h.load()
if err != nil && !os.IsNotExist(err) {
return nil, err
}
// spawn listener
go h.listen()
h.cs.ConsensusSetSubscribe(h)
return h, nil
}