support making deals with data directly from IPFS nodes

node/config/def.go

@@ -16,6 +16,7 @@ type Common struct {
 // FullNode is a full node config
 type FullNode struct {
 	Common
+	Client  Client
 	Metrics Metrics
 }
 
@@ -54,6 +55,10 @@ type Metrics struct {
 	PubsubTracing bool
 }
 
+type Client struct {
+	UseIpfs bool
+}
+
 func defCommon() Common {
 	return Common{
 		API: API{