encode PeerID using IDB58

This is to fix error of "Invalid UTF-8 in peerID field".

Signed-off-by: Leo Chen <leo@harmony.one>

cmd/client/wallet/main.go

@@ -296,7 +296,11 @@ func CreateWalletNode() *node.Node {
 	response := bcClient.GetLeaders()
 
 	for _, leader := range response.Leaders {
-		shardIDLeaderMap[leader.ShardId] = p2p.Peer{IP: leader.Ip, Port: leader.Port, PeerID: peer.ID(leader.PeerID)}
+		peerID, err := peer.IDB58Decode(leader.PeerID)
+		if err != nil {
+			panic(err)
+		}
+		shardIDLeaderMap[leader.ShardId] = p2p.Peer{IP: leader.Ip, Port: leader.Port, PeerID: peerID}
 	}
 
 	// dummy host for wallet

internal/beaconchain/rpc/server.go

@@ -23,7 +23,7 @@ func (s *Server) FetchLeaders(ctx context.Context, request *proto.FetchLeadersRe
 
 	leaders := []*proto.FetchLeadersResponse_Leader{}
 	for shardID, leader := range s.shardLeaderMap() {
-		leaders = append(leaders, &proto.FetchLeadersResponse_Leader{Ip: leader.IP, Port: leader.Port, ShardId: uint32(shardID), PeerID: string(leader.PeerID)})
+		leaders = append(leaders, &proto.FetchLeadersResponse_Leader{Ip: leader.IP, Port: leader.Port, ShardId: uint32(shardID), PeerID: leader.PeerID.Pretty()})
 	}
 	log.Println(leaders)
 	return &proto.FetchLeadersResponse{Leaders: leaders}, nil