diff --git a/pex_reactor.go b/pex_reactor.go
index b8cb43f8..2948c58f 100644
--- a/pex_reactor.go
+++ b/pex_reactor.go
@@ -130,6 +130,16 @@ func (pexR *PEXReactor) SendAddrs(peer *Peer, addrs []*NetAddress) {
 	peer.Send(PexChannel, struct{ PexMessage }{&pexAddrsMessage{Addrs: addrs}})
 }
 
+// SaveAddrBook saves underlying address book
+func (r *PEXReactor) SaveAddrBook() {
+	r.book.Save()
+}
+
+// AddPeerAddress adds raw NetAddress to the address book
+func (r *PEXReactor) AddPeerAddress(peerAddr, srcAddr *NetAddress) {
+	r.book.AddAddress(peerAddr, srcAddr)
+}
+
 // Ensures that sufficient peers are connected. (continuous)
 func (pexR *PEXReactor) ensurePeersRoutine() {
 	// Randomize when routine starts