From 5e62399844e0f63dc50f2517aefe5328088f4d5d Mon Sep 17 00:00:00 2001
From: Doug Hoyte <doug@hcsw.org>
Date: Tue, 10 Jan 2023 12:53:09 -0500
Subject: [PATCH] support old and new versions of libsecp256k1

---
 src/events.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/events.cpp b/src/events.cpp
index 4592aaf..255f05d 100644
--- a/src/events.cpp
+++ b/src/events.cpp
@@ -76,7 +76,15 @@ bool verifySig(secp256k1_context* ctx, std::string_view sig, std::string_view ha
     secp256k1_xonly_pubkey pubkeyParsed;
     if (!secp256k1_xonly_pubkey_parse(ctx, &pubkeyParsed, (const uint8_t*)pubkey.data())) throw herr("verify sig: bad pubkey");
 
-    return secp256k1_schnorrsig_verify(ctx, (const uint8_t*)sig.data(), (const uint8_t*)hash.data(), &pubkeyParsed);
+    return secp256k1_schnorrsig_verify(
+                ctx,
+                (const uint8_t*)sig.data(),
+                (const uint8_t*)hash.data(),
+#ifdef SECP256K1_SCHNORRSIG_EXTRAPARAMS_INIT // old versions of libsecp256k1 didn't take a msg size param, this define added just after
+                hash.size(),
+#endif
+                &pubkeyParsed
+    );
 }
 
 void verifyNostrEvent(secp256k1_context *secpCtx, const NostrIndex::Event *flat, const tao::json::value &origJson) {