workers: get to executing tasks remotely!

node/builder.go

@@ -51,6 +51,7 @@ import (
 	"github.com/filecoin-project/lotus/node/config"
 	"github.com/filecoin-project/lotus/node/hello"
 	"github.com/filecoin-project/lotus/node/impl"
+	"github.com/filecoin-project/lotus/node/impl/common"
 	"github.com/filecoin-project/lotus/node/modules"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 	"github.com/filecoin-project/lotus/node/modules/helpers"
@@ -263,6 +264,8 @@ func Online() Option {
 
 		// Storage miner
 		ApplyIf(func(s *Settings) bool { return s.nodeType == repo.StorageMiner },
+			Override(new(api.Common), From(new(common.CommonAPI))),
+
 			Override(new(*stores.Index), stores.NewIndex()),
 			Override(new(stores.SectorIndex), From(new(*stores.Index))),
 			Override(new(dtypes.MinerID), modules.MinerID),

node/options.go

@@ -138,8 +138,17 @@ func as(in interface{}, as interface{}) interface{} {
 
 	return reflect.MakeFunc(ctype, func(args []reflect.Value) (results []reflect.Value) {
 		outs := reflect.ValueOf(in).Call(args)
+
 		out := reflect.New(outType.Elem())
-		out.Elem().Set(outs[0])
+		if outs[0].Type().AssignableTo(outType.Elem()) {
+			// Out: Iface = In: *Struct; Out: Iface = In: OtherIface
+			out.Elem().Set(outs[0])
+		} else {
+			// Out: Iface = &(In: Struct)
+			t := reflect.New(outs[0].Type())
+			t.Elem().Set(outs[0])
+			out.Elem().Set(t)
+		}
 		outs[0] = out.Elem()
 
 		return outs