lnwallet: flesh out the Config struct, wallet constructor now takes

lnwallet/config.go

@@ -1,16 +1,50 @@
 package lnwallet
 
+import (
+	"github.com/lightningnetwork/lnd/chainntnfs"
+	"github.com/lightningnetwork/lnd/channeldb"
+	"github.com/roasbeef/btcd/chaincfg"
+)
+
 // Config is a struct which houses configuration parameters which modify the
 // behaviour of LightningWallet.
+//
+// NOTE: The passed channeldb, and ChainNotifier should already be fully
+// initialized/started before being passed as a function argument.
 type Config struct {
-	// default csv time
-	// default cltv time
-	// default wait for funding time
-	// default wait for closure time
-	// min amount to accept channel
-	// min fee imformation
-	//  * or possibly interface to predict fees
-	// max htlcs in flight?
-	// possible secret derivation functions
-	//
+	// Database is a wrapper around a namespace within boltdb reserved for
+	// ln-based wallet metadata. See the 'channeldb' package for further
+	// information.
+	Database *channeldb.DB
+
+	// Notifier is used by in order to obtain notifications about funding
+	// transaction reaching a specified confirmation depth, and to catch
+	// counterparty's broadcasting revoked commitment states.
+	Notifier chainntnfs.ChainNotifier
+
+	// WalletController is the core wallet, all non Lightning Network
+	// specific interaction is proxied to the internal wallet.
+	WalletController WalletController
+
+	// Signer is the wallet's current Signer implementation. This Signer is
+	// used to generate signature for all inputs to potential funding
+	// transactions, as well as for spends from the funding transaction to
+	// update the commitment state.
+	Signer Signer
+
+	// FeeEstimator is the implementation that the wallet will use for the
+	// calculation of on-chain transaction fees.
+	FeeEstimator FeeEstimator
+
+	// ChainIO is an instance of the BlockChainIO interface. ChainIO is
+	// used to lookup the existence of outputs within the UTXO set.
+	ChainIO BlockChainIO
+
+	// DefaultConstraints is the set of default constraints that will be
+	// used for any incoming or outgoing channel reservation requests.
+	DefaultConstraints channeldb.ChannelConstraints
+
+	// NetParams is the set of parameters that tells the wallet which chain
+	// it will be operating on.
+	NetParams chaincfg.Params
 }