From a11aa8756bddb44455442b0e84b7a8cdce571094 Mon Sep 17 00:00:00 2001
From: fiatjaf <faitjaf@gmail.com>
Date: Sun, 1 May 2022 17:51:16 -0300
Subject: [PATCH] fix CheckSignature(): we were parsing the pubkey with the
 ECDSA function instead of Schnorr.

---
 event.go     | 2 +-
 relaypool.go | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/event.go b/event.go
index edc0c6e..71da328 100644
--- a/event.go
+++ b/event.go
@@ -75,7 +75,7 @@ func (evt Event) CheckSignature() (bool, error) {
 		return false, fmt.Errorf("event pubkey '%s' is invalid hex: %w", evt.PubKey, err)
 	}
 
-	pubkey, err := btcec.ParsePubKey(pk)
+	pubkey, err := schnorr.ParsePubKey(pk)
 	if err != nil {
 		return false, fmt.Errorf("event has invalid pubkey '%s': %w", evt.PubKey, err)
 	}
diff --git a/relaypool.go b/relaypool.go
index fa9597e..baca84e 100644
--- a/relaypool.go
+++ b/relaypool.go
@@ -142,8 +142,13 @@ func (r *RelayPool) Add(url string, policy RelayPoolPolicy) error {
 					json.Unmarshal(jsonMessage[2], &event)
 
 					// check signature of all received events, ignore invalid
-					ok, _ := event.CheckSignature()
+					ok, err := event.CheckSignature()
 					if !ok {
+						errmsg := ""
+						if err != nil {
+							errmsg = err.Error()
+						}
+						log.Printf("bad signature: %s", errmsg)
 						continue
 					}