From d6009854c0fca8fb210f85b039a426fc8fa5d7c3 Mon Sep 17 00:00:00 2001
From: Francesco Ceccon <francesco@ceccon.me>
Date: Sun, 28 Feb 2021 11:04:12 +0000
Subject: [PATCH 1/2] chore: small whitespace fix

---
 stellar-dotnet-sdk-test/ClaimPredicateTest.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stellar-dotnet-sdk-test/ClaimPredicateTest.cs b/stellar-dotnet-sdk-test/ClaimPredicateTest.cs
index 7972bee9..e616d188 100644
--- a/stellar-dotnet-sdk-test/ClaimPredicateTest.cs
+++ b/stellar-dotnet-sdk-test/ClaimPredicateTest.cs
@@ -17,6 +17,7 @@ public void TestClaimPredicateBeforeAbsoluteTime()
 
             Assert.AreEqual(1600720493, parsed.DateTime.ToUnixTimeSeconds());
         }
+        
         [TestMethod]
         public void TestClaimPredicateBeforeAbsoluteTimeMaxInt()
         {

From c84c8b998c30ede1642f047adf182bd7af39cc74 Mon Sep 17 00:00:00 2001
From: Francesco Ceccon <francesco@ceccon.me>
Date: Sun, 28 Feb 2021 11:21:16 +0000
Subject: [PATCH 2/2] feat: add IEquatable<T> impl to KeyPair

---
 stellar-dotnet-sdk-test/ClaimPredicateTest.cs |  2 +-
 stellar-dotnet-sdk-test/KeyPairTest.cs        | 34 +++++++++++++++++++
 stellar-dotnet-sdk/KeyPair.cs                 | 10 +++++-
 3 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/stellar-dotnet-sdk-test/ClaimPredicateTest.cs b/stellar-dotnet-sdk-test/ClaimPredicateTest.cs
index e616d188..a139d114 100644
--- a/stellar-dotnet-sdk-test/ClaimPredicateTest.cs
+++ b/stellar-dotnet-sdk-test/ClaimPredicateTest.cs
@@ -17,7 +17,7 @@ public void TestClaimPredicateBeforeAbsoluteTime()
 
             Assert.AreEqual(1600720493, parsed.DateTime.ToUnixTimeSeconds());
         }
-        
+
         [TestMethod]
         public void TestClaimPredicateBeforeAbsoluteTimeMaxInt()
         {
diff --git a/stellar-dotnet-sdk-test/KeyPairTest.cs b/stellar-dotnet-sdk-test/KeyPairTest.cs
index cc96bea9..375cb3f9 100644
--- a/stellar-dotnet-sdk-test/KeyPairTest.cs
+++ b/stellar-dotnet-sdk-test/KeyPairTest.cs
@@ -98,5 +98,39 @@ public void TestSignWithoutSecret()
                 throw;
             }
         }
+
+        [TestMethod]
+        public void TestEqualityWithNullIsFalse()
+        {
+            var keyPair = KeyPair.FromAccountId("GDEAOZWTVHQZGGJY6KG4NAGJQ6DXATXAJO3AMW7C4IXLKMPWWB4FDNFZ");
+            Assert.IsFalse(keyPair.Equals(null));
+        }
+
+        [TestMethod]
+        public void TestEqualityWithKeyWithSecretKeyAndWithout()
+        {
+            var keyPair = KeyPair.FromSecretSeed("SDJHRQF4GCMIIKAAAQ6IHY42X73FQFLHUULAPSKKD4DFDM7UXWWCRHBE");
+            var otherKeyPair = KeyPair.FromAccountId(keyPair.AccountId);
+            Assert.IsFalse(keyPair.Equals(otherKeyPair));
+            Assert.IsFalse(otherKeyPair.Equals(keyPair));
+        }
+
+        [TestMethod]
+        public void TestEqualityWithKeyWithSecretKey()
+        {
+            var keyPair = KeyPair.FromSecretSeed("SDJHRQF4GCMIIKAAAQ6IHY42X73FQFLHUULAPSKKD4DFDM7UXWWCRHBE");
+            var otherKeyPair = KeyPair.FromSecretSeed(keyPair.SecretSeed);
+            Assert.IsTrue(keyPair.Equals(otherKeyPair));
+            Assert.IsTrue(otherKeyPair.Equals(keyPair));
+        }
+
+        [TestMethod]
+        public void TestEqualityWithOnlyPublicKey()
+        {
+            var keyPair = KeyPair.FromAccountId("GDEAOZWTVHQZGGJY6KG4NAGJQ6DXATXAJO3AMW7C4IXLKMPWWB4FDNFZ");
+            var otherKeyPair = KeyPair.FromAccountId(keyPair.AccountId);
+
+            Assert.IsTrue(keyPair.Equals(otherKeyPair));
+        }
     }
 }
\ No newline at end of file
diff --git a/stellar-dotnet-sdk/KeyPair.cs b/stellar-dotnet-sdk/KeyPair.cs
index 2ab3276b..3b38565c 100644
--- a/stellar-dotnet-sdk/KeyPair.cs
+++ b/stellar-dotnet-sdk/KeyPair.cs
@@ -12,7 +12,7 @@ namespace stellar_dotnet_sdk
     /// <see cref="KeyPair"/> represents public (and secret) keys of the account.
     /// Currently <see cref="KeyPair"/> only supports ed25519 but in a future this class can be abstraction layer for other public-key signature systems.
     /// </summary>
-    public class KeyPair : IAccountId
+    public class KeyPair : IAccountId, IEquatable<KeyPair>
     {
         private KeyPair(Key secretKey, byte[] seed)
         {
@@ -338,5 +338,13 @@ public bool Verify(byte[] data, xdr.Signature signature)
         {
             return Verify(data, signature.InnerValue);
         }
+
+        public bool Equals(KeyPair other)
+        {
+            if (other == null) return false;
+            if (SeedBytes != null && other.SeedBytes == null) return false;
+            if (SeedBytes == null && other.SeedBytes != null) return false;
+            return _publicKey.Equals(other._publicKey);
+        }
     }
 }
\ No newline at end of file