chainreg

type ChainCode uint32

type ChainControl struct {
	// ChainIO represents an abstraction over a source that can query the blockchain.
	ChainIO lnwallet.BlockChainIO

	// HealthCheck is a function which can be used to send a low-cost, fast
	// query to the chain backend to ensure we still have access to our
	// node.
	HealthCheck func() error

	// FeeEstimator is used to estimate an optimal fee for transactions important to us.
	FeeEstimator chainfee.Estimator

	// Signer is used to provide signatures over things like transactions.
	Signer input.Signer

	// KeyRing represents a set of keys that we have the private keys to.
	KeyRing keychain.SecretKeyRing

	// Wc is an abstraction over some basic wallet commands. This base set of commands
	// will be provided to the Wallet *LightningWallet raw pointer below.
	Wc lnwallet.WalletController

	// MsgSigner is used to sign arbitrary messages.
	MsgSigner lnwallet.MessageSigner

	// ChainNotifier is used to receive blockchain events that we are interested in.
	ChainNotifier chainntnfs.ChainNotifier

	// ChainView is used in the router for maintaining an up-to-date graph.
	ChainView chainview.FilteredChainView

	// Wallet is our LightningWallet that also contains the abstract Wc above. This wallet
	// handles all of the lightning operations.
	Wallet *lnwallet.LightningWallet

	// RoutingPolicy is the routing policy we have decided to use.
	RoutingPolicy htlcswitch.ForwardingPolicy

	// MinHtlcIn is the minimum HTLC we will accept.
	MinHtlcIn lnwire.MilliAtom
}

type ChainRegistry struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

type Config struct {
	// Decred defines the settings for the Decred chain.
	Decred *lncfg.Chain

	// PrimaryChain is a function that returns our primary chain via its
	// ChainCode.
	PrimaryChain func() ChainCode

	// HeightHintCacheQueryDisable is a boolean that disables height hint
	// queries if true.
	HeightHintCacheQueryDisable bool

	// DcrdMode defines settings for connecting to a dcrd instance.
	DcrdMode *lncfg.DcrdConfig

	// DcrwMode defines settings for connecting to a dcrwallet instance.
	DcrwMode *lncfg.DcrwalletConfig

	// LocalChanDB is a pointer to the local backing channel database.
	LocalChanDB *channeldb.DB

	// RemoteChanDB is a pointer to the remote backing channel database.
	RemoteChanDB *channeldb.DB

	// BlockCacheSize is the size (in bytes) of blocks kept in memory.
	BlockCacheSize uint64

	// PrivateWalletPw is the private wallet password to the underlying
	// btcwallet instance.
	PrivateWalletPw []byte

	// PublicWalletPw is the public wallet password to the underlying btcwallet
	// instance.
	PublicWalletPw []byte

	// Birthday specifies the time the wallet was initially created.
	Birthday time.Time

	// RecoveryWindow specifies the address look-ahead for which to scan when
	// restoring a wallet.
	RecoveryWindow uint32

	// WalletLoader is a pointer to an embedded wallet loader.
	WalletLoader *walletloader.Loader

	// Wallet is a pointer to the backing wallet instance.
	Wallet *wallet.Wallet

	// WalletConn is the grpc connection to a remote wallet when the chain
	// is running based on a remote wallet.
	WalletConn *grpc.ClientConn

	// WalletAccountNb is the root account from which the dcrlnd keys are
	// derived when running based on a remote wallet.
	WalletAccountNb int32

	// ActiveNetParams details the current chain we are on.
	ActiveNetParams DecredNetParams

	// FeeURL defines the URL for fee estimation we will use. This field is
	// optional.
	FeeURL string

	// Dialer is a function closure that will be used to establish outbound
	// TCP connections to chain network peers in the event of a pruned block being
	// requested.
	Dialer func(string) (net.Conn, error)

	// LoaderOptions holds functional wallet db loader options.
	LoaderOptions []walletloader.LoaderOption

	// CoinSelectionStrategy is the strategy that is used for selecting
	// coins when funding a transaction.
	CoinSelectionStrategy lnwallet.CoinSelectionStrategy
}

type DecredNetParams struct {
	*chaincfg.Params
	RPCPort  string
	CoinType uint32
	DcrwPort string
}