From 9c79b8440e10a96f4629d9863b3c4104604e3ad1 Mon Sep 17 00:00:00 2001
From: Mike Dilger <mike@mikedilger.com>
Date: Sat, 17 Feb 2024 11:15:59 +1300
Subject: [PATCH] Fix: Event.verify()

---
 src/types/event/mod.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/types/event/mod.rs b/src/types/event/mod.rs
index 4858d46..5efc91a 100644
--- a/src/types/event/mod.rs
+++ b/src/types/event/mod.rs
@@ -1,5 +1,6 @@
 use super::{Id, Kind, Pubkey, Sig, Tags, Time};
 use crate::error::{ChorusError, Error};
+use crate::types::parse::json_escape::json_escape;
 use std::fmt;
 
 mod json_event;
@@ -131,15 +132,20 @@ impl<'a> Event<'a> {
         use secp256k1::schnorr::Signature;
         use secp256k1::{Message, XOnlyPublicKey};
 
+        let mut escaped_content = vec![0; self.content().len() * 2];
+        let outlen = json_escape(self.content(), &mut escaped_content[..])?;
+
         let signable = format!(
             r#"[0,"{}",{},{},{},"{}"]"#,
             self.pubkey(),
             self.created_at(),
             self.kind(),
             self.tags()?,
-            unsafe { std::str::from_utf8_unchecked(self.content()) },
+            unsafe { std::str::from_utf8_unchecked(&escaped_content[0..outlen]) },
         );
 
+        drop(escaped_content);
+
         let hash = sha256::Hash::hash(signable.as_bytes());
 
         let hashref = <sha256::Hash as AsRef<[u8]>>::as_ref(&hash);