network: Add capabilities if peer from store does not have it (#1791)

Author: nolash

network/hive.go

@@ -25,6 +25,7 @@ import (
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/enode"
 	"github.com/ethersphere/swarm/log"
+	"github.com/ethersphere/swarm/network/capability"
 	"github.com/ethersphere/swarm/state"
 )
 
@@ -240,6 +241,14 @@ func (h *Hive) loadPeers() error {
 		}
 		return err
 	}
+	// workaround for old node stores not containing capabilities
+	for i := range as {
+		if as[i].Capabilities == nil {
+			caps := capability.NewCapabilities()
+			caps.Add(fullCapability)
+			as[i] = as[i].WithCapabilities(caps)
+		}
+	}
 	log.Info(fmt.Sprintf("hive %08x: peers loaded", h.BaseAddr()[:4]))
 
 	return h.Register(as...)