From e9e23e474f758e9e38e30a71773e15e6bdd3e775 Mon Sep 17 00:00:00 2001
From: codeShark149 <rajarshi149@gmail.com>
Date: Wed, 6 Nov 2019 23:48:29 +0530
Subject: Internal pubkey calculation fixed in taproot_tweak_pubkey()

---
 bip-taproot.mediawiki | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bip-taproot.mediawiki b/bip-taproot.mediawiki
index d8f51ca..298df18 100644
--- a/bip-taproot.mediawiki
+++ b/bip-taproot.mediawiki
@@ -189,7 +189,7 @@ def taproot_tweak_pubkey(pubkey, h):
     t = int_from_bytes(tagged_hash("TapTweak", pubkey + h))
     if t >= SECP256K1_ORDER:
         raise ValueError
-    Q = point_mul(point(pubkey), t)
+    Q = point_add(point(pubkey), point_mul(G, t))
     return bytes_from_int(x(Q)), has_square_y(Q)
 
 def taproot_tweak_seckey(seckey0, h):
-- 
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