neutrino: Added new method to ChainService, UnBanPeer

Signed-off-by: Ononiwu Maureen <[email protected]>

neutrino.go

@@ -1078,6 +1078,33 @@ func (s *ChainService) BanPeer(addr string, reason banman.Reason) error {
  return s.banStore.BanIPNet(ipNet, reason, BanDuration)
 }
 
+// UnBanPeer connects and unban's a previously banned peer.
+func (s *ChainService) UnBanPeer(addr string) error {
+ log.Warnf("UnBanning peer %v", addr)
+
+ defer func() error {
+ if sp := s.PeerByAddr(addr); sp != nil {
+ tcpAddr, err := s.addrStringToNetAddr(addr)
+ if err != nil {
+ return err
+ }
+ s.connManager.Connect(&connmgr.ConnReq{
+ Addr: tcpAddr,
+ Permanent: true,
+ })
+ return nil
+ }
+ return errors.New("Peer is nil")
+ }()
+
+ ipNet, err := banman.ParseIPNet(addr, nil)
+ if err != nil {
+ return fmt.Errorf("unable to parse IP network for peer %v: %v",
+ addr, err)
+ }
+ return s.banStore.UnBanIPNet(ipNet)
+}
+
 // IsBanned returns true if the peer is banned, and false otherwise.
 func (s *ChainService) IsBanned(addr string) bool {
  ipNet, err := banman.ParseIPNet(addr, nil)