From 9387bd8b2d203adccb063c22fe829370bb496edf Mon Sep 17 00:00:00 2001
From: Richard Ramos <info@richardramos.me>
Date: Thu, 12 Nov 2020 19:22:47 -0400
Subject: [PATCH] Expose privkey_tweak_add

---
 secp256k1.nim | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/secp256k1.nim b/secp256k1.nim
index 8917793..36af273 100644
--- a/secp256k1.nim
+++ b/secp256k1.nim
@@ -517,3 +517,7 @@ proc default*(T: type SkSignature): T {.error: "loophole".}
 proc default*(T: type SkRecoverableSignature): T {.error: "loophole".}
 proc default*(T: type SkEcdhSecret): T {.error: "loophole".}
 proc default*(T: type SkEcdhRawSecret): T {.error: "loophole".}
+
+func privKeyTweakAdd*(secretKey: var openArray[byte], tweak: openArray[byte]) =
+  let res = secp256k1_ec_privkey_tweak_add(getContext(), secretKey.ptr0, tweak.ptr0)
+  doAssert res == 1