funding: rename from fmgr, change references

funding/interfaces.go

@@ -0,0 +1,20 @@
+package funding
+
+import (
+	"github.com/lightningnetwork/lnd/lnpeer"
+	"github.com/lightningnetwork/lnd/lnwire"
+)
+
+// Manager is an interface that describes the basic operation of a funding
+// manager. It should at a minimum process a subset of lnwire messages that
+// are denoted as funding messages.
+type Manager interface {
+	// ProcessFundingMsg processes a funding message represented by the
+	// lnwire.Message parameter along with the Peer object representing a
+	// connection to the counterparty.
+	ProcessFundingMsg(lnwire.Message, lnpeer.Peer)
+
+	// IsPendingChannel is used to determine whether to send an Error message
+	// to the funding manager or not.
+	IsPendingChannel([32]byte, lnpeer.Peer) bool
+}