From f0213b88c8dec2c3e5b900c90e6670266318655f Mon Sep 17 00:00:00 2001
From: Didactic Drunk <1479616+didactic-drunk@users.noreply.github.com>
Date: Sat, 18 Jul 2020 22:21:09 -0700
Subject: [PATCH] Expose Sodium::Sign::SecretKey#seed.

---
 spec/sodium/sign/secret_key_spec.cr | 2 ++
 src/sodium/sign/secret_key.cr       | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/spec/sodium/sign/secret_key_spec.cr b/spec/sodium/sign/secret_key_spec.cr
index 8ab8327..4af7cf6 100644
--- a/spec/sodium/sign/secret_key_spec.cr
+++ b/spec/sodium/sign/secret_key_spec.cr
@@ -52,6 +52,8 @@ describe Sodium::Sign::SecretKey do
     key2 = Sodium::Sign::SecretKey.new seed: seed
     key1.to_slice.should eq key2.to_slice
     key1.public_key.to_slice.should eq key2.public_key.to_slice
+    key1.seed.should eq seed
+    key1.seed.should eq key2.seed
   end
 
   it "signs and verifies" do
diff --git a/src/sodium/sign/secret_key.cr b/src/sodium/sign/secret_key.cr
index 9e158de..0891218 100644
--- a/src/sodium/sign/secret_key.cr
+++ b/src/sodium/sign/secret_key.cr
@@ -70,6 +70,11 @@ module Sodium
       end
     end
 
+    def seed
+      # BUG: Generate seed if not set.
+      @seed.not_nil!.to_slice
+    end
+
     # Signs message and returns a detached signature.
     # Verify using `secret_key.public_key.verify_detached(message, sig)`
     def sign_detached(message)