From e5454964e7c1e18d3b56341fbe3b0ac127040ec1 Mon Sep 17 00:00:00 2001
From: Alex Bespalov <alexb5dh@gmail.com>
Date: Tue, 4 Jun 2024 14:21:26 +0300
Subject: [PATCH 1/8] Initial secp256r1 precompile implementation

---
 .../Secp256r1PrecompilePrecompileTests.cs     | 87 +++++++++++++++++++
 src/Nethermind/Nethermind.Evm/Metrics.cs      |  3 +
 .../Precompiles/AddressExtensions.cs          |  1 +
 .../Precompiles/Secp256r1Precompile.cs        | 46 ++++++++++
 .../Nethermind.Evm/VirtualMachine.cs          |  2 +
 5 files changed, 139 insertions(+)
 create mode 100644 src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs
 create mode 100644 src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs

diff --git a/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs b/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs
new file mode 100644
index 00000000000..0e759da167e
--- /dev/null
+++ b/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs
@@ -0,0 +1,87 @@
+// SPDX-FileCopyrightText: 2022 Demerzel Solutions Limited
+// SPDX-License-Identifier: LGPL-3.0-only
+
+using System;
+using FluentAssertions;
+using Nethermind.Core.Extensions;
+using Nethermind.Evm.Precompiles;
+using Nethermind.Specs.Forks;
+using NUnit.Framework;
+
+namespace Nethermind.Evm.Test
+{
+    [TestFixture]
+    public class Secp256r1PrecompilePrecompileTests : VirtualMachineTestsBase
+    {
+        private static readonly byte[] ValidAnswer = Bytes.FromHexString(
+            "0000000000000000000000000000000000000000000000000000000000000001"
+        );
+
+        private static readonly byte[] InvalidAnswer = Bytes.FromHexString(
+            "0000000000000000000000000000000000000000000000000000000000000000"
+        );
+
+        [Test] // https://github.com/paradigmxyz/alphanet/blob/main/crates/precompile/src/secp256r1.rs#L137
+        [TestCase(
+            "4cee90eb86eaa050036147a12d49004b6b9c72bd725d39d4785011fe190f0b4da73bd4903f0ce3b639bbbf6e8e80d16931ff4bcf5993d58468e8fb19086e8cac36dbcd03009df8c59286b162af3bd7fcc0450c9aa81be5d10d312af6c66b1d604aebd3099c618202fcfe16ae7770b0c49ab5eadf74b754204a3bb6060e44eff37618b065f9832de4ca6ca971a7a1adc826d0f7c00181a5fb2ddf79ae00b4e10e",
+            true
+        )]
+        [TestCase(
+            "3fec5769b5cf4e310a7d150508e82fb8e3eda1c2c94c61492d3bd8aea99e06c9e22466e928fdccef0de49e3503d2657d00494a00e764fd437bdafa05f5922b1fbbb77c6817ccf50748419477e843d5bac67e6a70e97dde5a57e0c983b777e1ad31a80482dadf89de6302b1988c82c29544c9c07bb910596158f6062517eb089a2f54c9a0f348752950094d3228d3b940258c75fe2a413cb70baa21dc2e352fc5",
+            true
+        )]
+        [TestCase(
+            "e775723953ead4a90411a02908fd1a629db584bc600664c609061f221ef6bf7c440066c8626b49daaa7bf2bcc0b74be4f7a1e3dcf0e869f1542fe821498cbf2de73ad398194129f635de4424a07ca715838aefe8fe69d1a391cfa70470795a80dd056866e6e1125aff94413921880c437c9e2570a28ced7267c8beef7e9b2d8d1547d76dfcf4bee592f5fefe10ddfb6aeb0991c5b9dbbee6ec80d11b17c0eb1a",
+            true
+        )]
+        [TestCase(
+            "b5a77e7a90aa14e0bf5f337f06f597148676424fae26e175c6e5621c34351955289f319789da424845c9eac935245fcddd805950e2f02506d09be7e411199556d262144475b1fa46ad85250728c600c53dfd10f8b3f4adf140e27241aec3c2da3a81046703fccf468b48b145f939efdbb96c3786db712b3113bb2488ef286cdcef8afe82d200a5bb36b5462166e8ce77f2d831a52ef2135b2af188110beaefb1",
+            true
+        )]
+        [TestCase(
+            "858b991cfd78f16537fe6d1f4afd10273384db08bdfc843562a22b0626766686f6aec8247599f40bfe01bec0e0ecf17b4319559022d4d9bf007fe929943004eb4866760dedf31b7c691f5ce665f8aae0bda895c23595c834fecc2390a5bcc203b04afcacbb4280713287a2d0c37e23f7513fab898f2c1fefa00ec09a924c335d9b629f1d4fb71901c3e59611afbfea354d101324e894c788d1c01f00b3c251b2",
+            true
+        )]
+        [TestCase(
+            "3cee90eb86eaa050036147a12d49004b6b9c72bd725d39d4785011fe190f0b4da73bd4903f0ce3b639bbbf6e8e80d16931ff4bcf5993d58468e8fb19086e8cac36dbcd03009df8c59286b162af3bd7fcc0450c9aa81be5d10d312af6c66b1d604aebd3099c618202fcfe16ae7770b0c49ab5eadf74b754204a3bb6060e44eff37618b065f9832de4ca6ca971a7a1adc826d0f7c00181a5fb2ddf79ae00b4e10e",
+            false
+        )]
+        [TestCase(
+            "afec5769b5cf4e310a7d150508e82fb8e3eda1c2c94c61492d3bd8aea99e06c9e22466e928fdccef0de49e3503d2657d00494a00e764fd437bdafa05f5922b1fbbb77c6817ccf50748419477e843d5bac67e6a70e97dde5a57e0c983b777e1ad31a80482dadf89de6302b1988c82c29544c9c07bb910596158f6062517eb089a2f54c9a0f348752950094d3228d3b940258c75fe2a413cb70baa21dc2e352fc5",
+            false
+        )]
+        [TestCase(
+            "f775723953ead4a90411a02908fd1a629db584bc600664c609061f221ef6bf7c440066c8626b49daaa7bf2bcc0b74be4f7a1e3dcf0e869f1542fe821498cbf2de73ad398194129f635de4424a07ca715838aefe8fe69d1a391cfa70470795a80dd056866e6e1125aff94413921880c437c9e2570a28ced7267c8beef7e9b2d8d1547d76dfcf4bee592f5fefe10ddfb6aeb0991c5b9dbbee6ec80d11b17c0eb1a",
+            false
+        )]
+        [TestCase(
+            "c5a77e7a90aa14e0bf5f337f06f597148676424fae26e175c6e5621c34351955289f319789da424845c9eac935245fcddd805950e2f02506d09be7e411199556d262144475b1fa46ad85250728c600c53dfd10f8b3f4adf140e27241aec3c2da3a81046703fccf468b48b145f939efdbb96c3786db712b3113bb2488ef286cdcef8afe82d200a5bb36b5462166e8ce77f2d831a52ef2135b2af188110beaefb1",
+            false
+        )]
+        [TestCase(
+            "958b991cfd78f16537fe6d1f4afd10273384db08bdfc843562a22b0626766686f6aec8247599f40bfe01bec0e0ecf17b4319559022d4d9bf007fe929943004eb4866760dedf31b7c691f5ce665f8aae0bda895c23595c834fecc2390a5bcc203b04afcacbb4280713287a2d0c37e23f7513fab898f2c1fefa00ec09a924c335d9b629f1d4fb71901c3e59611afbfea354d101324e894c788d1c01f00b3c251b2",
+            false
+        )]
+        public void Produces_Correct_Outputs(string input, bool isValid)
+        {
+            var bytes = Bytes.FromHexString(input);
+            (ReadOnlyMemory<byte> output, bool success) = Secp256r1Precompile.Instance.Run(bytes, Prague.Instance);
+            success.Should().BeTrue();
+            output.ToArray().Should().BeEquivalentTo(isValid ? ValidAnswer : InvalidAnswer);
+        }
+
+        [Test]
+        [TestCase(
+            "4cee90eb86eaa050036147a12d49004b6a"
+        )]
+        [TestCase(
+            "4cee90eb86eaa050036147a12d49004b6a958b991cfd78f16537fe6d1f4afd10273384db08bdfc843562a22b0626766686f6aec8247599f40bfe01bec0e0ecf17b4319559022d4d9bf007fe929943004eb4866760dedf319"
+        )]
+        public void Fails_On_Incorrect_Input(string input)
+        {
+            var bytes = Bytes.FromHexString(input);
+            (ReadOnlyMemory<byte> _, bool success) = Secp256r1Precompile.Instance.Run(bytes, Prague.Instance);
+            success.Should().BeFalse();
+        }
+    }
+}
diff --git a/src/Nethermind/Nethermind.Evm/Metrics.cs b/src/Nethermind/Nethermind.Evm/Metrics.cs
index 8c3286facc9..c1072cafe20 100644
--- a/src/Nethermind/Nethermind.Evm/Metrics.cs
+++ b/src/Nethermind/Nethermind.Evm/Metrics.cs
@@ -113,6 +113,9 @@ public static long SstoreOpcode
     [Description("Number of SHA256 precompile calls.")]
     public static long Sha256Precompile { get; set; }
 
+    [Description("Number of Secp256r1 precompile calls.")]
+    public static long Secp256r1Precompile { get; set; }
+
     [Description("Number of Point Evaluation precompile calls.")]
     public static long PointEvaluationPrecompile { get; set; }
 
diff --git a/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs b/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs
index 0f4fe5ebb6b..b604eaf42c4 100644
--- a/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs
+++ b/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs
@@ -36,6 +36,7 @@ public static bool IsPrecompile(this Address address, IReleaseSpec releaseSpec)
                 0x11 => releaseSpec.Bls381Enabled,
                 0x12 => releaseSpec.Bls381Enabled,
                 0x13 => releaseSpec.Bls381Enabled,
+                0x100 => true, // TODO clarify if should be conditional
                 _ => false
             };
     }
diff --git a/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs b/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs
new file mode 100644
index 00000000000..c44bc8c312b
--- /dev/null
+++ b/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs
@@ -0,0 +1,46 @@
+// SPDX-FileCopyrightText: 2024 Demerzel Solutions Limited
+// SPDX-License-Identifier: LGPL-3.0-only
+
+using System;
+using System.Buffers;
+using System.Security.Cryptography;
+using Nethermind.Core;
+using Nethermind.Core.Extensions;
+using Nethermind.Core.Specs;
+
+namespace Nethermind.Evm.Precompiles;
+
+public class Secp256r1Precompile: IPrecompile<Secp256r1Precompile>
+{
+    private const int RequiredInputLength = 160;
+    private static readonly byte[] ValidResult = new byte[] { 1 }.PadLeft(32);
+    private static readonly byte[] InvalidResult = new byte[] { 0 }.PadLeft(32);
+
+    public static readonly Secp256r1Precompile Instance = new ();
+    public static Address Address { get; } = Address.FromNumber(0x100);
+
+    public long BaseGasCost(IReleaseSpec releaseSpec) => 3450L;
+    public long DataGasCost(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec) => 0L;
+
+    public (ReadOnlyMemory<byte>, bool) Run(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec)
+    {
+        if (inputData.Length != RequiredInputLength)
+            return (Array.Empty<byte>(), false);
+
+        ReadOnlySpan<byte> bytes = inputData.Span;
+        ReadOnlySpan<byte> hash = bytes[..32], sig = bytes[32..96];
+        ReadOnlySpan<byte> x = bytes[96..128], y = bytes[128..160];
+
+        // TODO optimize
+        using var ecdsa = ECDsa.Create(new ECParameters
+        {
+            Curve = ECCurve.NamedCurves.nistP256,
+            Q = new() { X = x.ToArray(), Y = y.ToArray() }
+        });
+        var isValid = ecdsa.VerifyHash(hash, sig);
+
+        Metrics.Secp256r1Precompile++;
+
+        return (isValid ? ValidResult : InvalidResult, true);
+    }
+}
diff --git a/src/Nethermind/Nethermind.Evm/VirtualMachine.cs b/src/Nethermind/Nethermind.Evm/VirtualMachine.cs
index 7f681fdb560..9436da0fe4b 100644
--- a/src/Nethermind/Nethermind.Evm/VirtualMachine.cs
+++ b/src/Nethermind/Nethermind.Evm/VirtualMachine.cs
@@ -127,6 +127,8 @@ private static FrozenDictionary<AddressAsKey, CodeInfo> InitializePrecompiledCon
             [MapToG2Precompile.Address] = new(MapToG2Precompile.Instance),
 
             [PointEvaluationPrecompile.Address] = new(PointEvaluationPrecompile.Instance),
+
+            [Secp256r1Precompile.Address] = new (Secp256r1Precompile.Instance)
         }.ToFrozenDictionary();
     }
 

From 8d653fc6e233296538d51466981bb7399976ce03 Mon Sep 17 00:00:00 2001
From: Alex Bespalov <alexb5dh@gmail.com>
Date: Tue, 4 Jun 2024 14:28:39 +0300
Subject: [PATCH 2/8] Formatting fix

---
 .../Nethermind.Evm/Precompiles/Secp256r1Precompile.cs       | 6 +++---
 src/Nethermind/Nethermind.Evm/VirtualMachine.cs             | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs b/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs
index c44bc8c312b..c462d72aea3 100644
--- a/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs
+++ b/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2024 Demerzel Solutions Limited
+// SPDX-FileCopyrightText: 2024 Demerzel Solutions Limited
 // SPDX-License-Identifier: LGPL-3.0-only
 
 using System;
@@ -10,13 +10,13 @@
 
 namespace Nethermind.Evm.Precompiles;
 
-public class Secp256r1Precompile: IPrecompile<Secp256r1Precompile>
+public class Secp256r1Precompile : IPrecompile<Secp256r1Precompile>
 {
     private const int RequiredInputLength = 160;
     private static readonly byte[] ValidResult = new byte[] { 1 }.PadLeft(32);
     private static readonly byte[] InvalidResult = new byte[] { 0 }.PadLeft(32);
 
-    public static readonly Secp256r1Precompile Instance = new ();
+    public static readonly Secp256r1Precompile Instance = new();
     public static Address Address { get; } = Address.FromNumber(0x100);
 
     public long BaseGasCost(IReleaseSpec releaseSpec) => 3450L;
diff --git a/src/Nethermind/Nethermind.Evm/VirtualMachine.cs b/src/Nethermind/Nethermind.Evm/VirtualMachine.cs
index 9436da0fe4b..51f4b48a40d 100644
--- a/src/Nethermind/Nethermind.Evm/VirtualMachine.cs
+++ b/src/Nethermind/Nethermind.Evm/VirtualMachine.cs
@@ -128,7 +128,7 @@ private static FrozenDictionary<AddressAsKey, CodeInfo> InitializePrecompiledCon
 
             [PointEvaluationPrecompile.Address] = new(PointEvaluationPrecompile.Instance),
 
-            [Secp256r1Precompile.Address] = new (Secp256r1Precompile.Instance)
+            [Secp256r1Precompile.Address] = new(Secp256r1Precompile.Instance)
         }.ToFrozenDictionary();
     }
 

From 2b100b7ef650f54a04e3821fd8be1f3b33868114 Mon Sep 17 00:00:00 2001
From: Alex Bespalov <alexb5dh@gmail.com>
Date: Mon, 10 Jun 2024 14:53:52 +0300
Subject: [PATCH 3/8] Spec updates

---
 .../Nethermind.Core/Specs/IReleaseSpec.cs     |  2 +
 .../Precompiles/AddressExtensions.cs          | 52 +++++++++++--------
 .../OverridableReleaseSpec.cs                 |  1 +
 .../ChainSpecStyle/ChainParameters.cs         |  1 +
 .../ChainSpecBasedSpecProvider.cs             |  1 +
 .../ChainSpecStyle/ChainSpecLoader.cs         |  1 +
 .../Json/ChainSpecParamsJson.cs               |  1 +
 .../Nethermind.Specs/Forks/18_Prague.cs       |  1 +
 .../Nethermind.Specs/ReleaseSpec.cs           |  1 +
 .../SystemTransactionReleaseSpec.cs           |  1 +
 10 files changed, 40 insertions(+), 22 deletions(-)

diff --git a/src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs b/src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs
index c34e6933f53..a7564cccaec 100644
--- a/src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs
+++ b/src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs
@@ -279,6 +279,8 @@ public interface IReleaseSpec : IEip1559Spec, IReceiptSpec
         /// </summary>
         bool IsEip6780Enabled { get; }
 
+        bool IsEip7212Enabled { get; }
+
         /// <summary>
         /// Should transactions be validated against chainId.
         /// </summary>
diff --git a/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs b/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs
index b604eaf42c4..6a7b3e6140f 100644
--- a/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs
+++ b/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs
@@ -13,30 +13,38 @@ public static class AddressExtensions
     public static bool IsPrecompile(this Address address, IReleaseSpec releaseSpec)
     {
         Span<uint> data = MemoryMarshal.Cast<byte, uint>(address.Bytes.AsSpan());
-        return (data[4] & 0x00ffffff) == 0
+        return (data[4] & 0x0000ffff) == 0
             && data[3] == 0 && data[2] == 0 && data[1] == 0 && data[0] == 0
-            && (data[4] >>> 24) switch
+            && ((data[4] >>> 16) & 0xff) switch
             {
-                0x01 => true,
-                0x02 => true,
-                0x03 => true,
-                0x04 => true,
-                0x05 => releaseSpec.ModExpEnabled,
-                0x06 => releaseSpec.Bn128Enabled,
-                0x07 => releaseSpec.Bn128Enabled,
-                0x08 => releaseSpec.Bn128Enabled,
-                0x09 => releaseSpec.BlakeEnabled,
-                0x0a => releaseSpec.IsEip4844Enabled,
-                0x0b => releaseSpec.Bls381Enabled,
-                0x0c => releaseSpec.Bls381Enabled,
-                0x0d => releaseSpec.Bls381Enabled,
-                0x0e => releaseSpec.Bls381Enabled,
-                0x0f => releaseSpec.Bls381Enabled,
-                0x10 => releaseSpec.Bls381Enabled,
-                0x11 => releaseSpec.Bls381Enabled,
-                0x12 => releaseSpec.Bls381Enabled,
-                0x13 => releaseSpec.Bls381Enabled,
-                0x100 => true, // TODO clarify if should be conditional
+                0x00 => (data[4] >>> 24) switch
+                {
+                    0x01 => true,
+                    0x02 => true,
+                    0x03 => true,
+                    0x04 => true,
+                    0x05 => releaseSpec.ModExpEnabled,
+                    0x06 => releaseSpec.Bn128Enabled,
+                    0x07 => releaseSpec.Bn128Enabled,
+                    0x08 => releaseSpec.Bn128Enabled,
+                    0x09 => releaseSpec.BlakeEnabled,
+                    0x0a => releaseSpec.IsEip4844Enabled,
+                    0x0b => releaseSpec.Bls381Enabled,
+                    0x0c => releaseSpec.Bls381Enabled,
+                    0x0d => releaseSpec.Bls381Enabled,
+                    0x0e => releaseSpec.Bls381Enabled,
+                    0x0f => releaseSpec.Bls381Enabled,
+                    0x10 => releaseSpec.Bls381Enabled,
+                    0x11 => releaseSpec.Bls381Enabled,
+                    0x12 => releaseSpec.Bls381Enabled,
+                    0x13 => releaseSpec.Bls381Enabled,
+                    _ => false
+                },
+                0x01 => (data[4] >>> 24) switch
+                {
+                    0x00 => releaseSpec.IsEip7212Enabled,
+                    _ => false
+                },
                 _ => false
             };
     }
diff --git a/src/Nethermind/Nethermind.Specs.Test/OverridableReleaseSpec.cs b/src/Nethermind/Nethermind.Specs.Test/OverridableReleaseSpec.cs
index f6d4bacf1a6..4358c9f50f7 100644
--- a/src/Nethermind/Nethermind.Specs.Test/OverridableReleaseSpec.cs
+++ b/src/Nethermind/Nethermind.Specs.Test/OverridableReleaseSpec.cs
@@ -111,6 +111,7 @@ public OverridableReleaseSpec(IReleaseSpec spec)
 
         public bool IsEip3541Enabled => _spec.IsEip3541Enabled;
         public bool IsEip4844Enabled => _spec.IsEip4844Enabled;
+        public bool IsEip7212Enabled => _spec.IsEip7212Enabled;
         public bool IsEip3607Enabled { get; set; }
 
         public bool IsEip158IgnoredAccount(Address address)
diff --git a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainParameters.cs b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainParameters.cs
index 41fa983d646..21d7f603a44 100644
--- a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainParameters.cs
+++ b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainParameters.cs
@@ -119,6 +119,7 @@ public class ChainParameters
     public Address Eip4788ContractAddress { get; set; }
     public ulong? Eip2935TransitionTimestamp { get; set; }
     public Address Eip2935ContractAddress { get; set; }
+    public ulong? Eip7212TransitionTimestamp { get; set; }
 
     #region EIP-4844 parameters
     /// <summary>
diff --git a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecBasedSpecProvider.cs b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecBasedSpecProvider.cs
index 860e48b8814..f15978909aa 100644
--- a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecBasedSpecProvider.cs
+++ b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecBasedSpecProvider.cs
@@ -245,6 +245,7 @@ private static ReleaseSpec CreateReleaseSpec(ChainSpec chainSpec, long releaseSt
             releaseSpec.WithdrawalTimestamp = chainSpec.Parameters.Eip4895TransitionTimestamp ?? ulong.MaxValue;
 
             releaseSpec.IsEip4844Enabled = (chainSpec.Parameters.Eip4844TransitionTimestamp ?? ulong.MaxValue) <= releaseStartTimestamp;
+            releaseSpec.IsEip7212Enabled = (chainSpec.Parameters.Eip7212TransitionTimestamp ?? ulong.MaxValue) <= releaseStartTimestamp;
             releaseSpec.Eip4844TransitionTimestamp = chainSpec.Parameters.Eip4844TransitionTimestamp ?? ulong.MaxValue;
             releaseSpec.IsEip5656Enabled = (chainSpec.Parameters.Eip5656TransitionTimestamp ?? ulong.MaxValue) <= releaseStartTimestamp;
             releaseSpec.IsEip6780Enabled = (chainSpec.Parameters.Eip6780TransitionTimestamp ?? ulong.MaxValue) <= releaseStartTimestamp;
diff --git a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecLoader.cs b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecLoader.cs
index 769a9858633..e948a52a23c 100644
--- a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecLoader.cs
+++ b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecLoader.cs
@@ -141,6 +141,7 @@ bool GetForInnerPathExistence(KeyValuePair<string, JsonElement> o) =>
             Eip2537TransitionTimestamp = chainSpecJson.Params.Eip2537TransitionTimestamp,
             Eip5656TransitionTimestamp = chainSpecJson.Params.Eip5656TransitionTimestamp,
             Eip6780TransitionTimestamp = chainSpecJson.Params.Eip6780TransitionTimestamp,
+            Eip7212TransitionTimestamp = chainSpecJson.Params.Eip7212TransitionTimestamp,
             Eip4788TransitionTimestamp = chainSpecJson.Params.Eip4788TransitionTimestamp,
             Eip4788ContractAddress = chainSpecJson.Params.Eip4788ContractAddress ?? Eip4788Constants.BeaconRootsAddress,
             Eip2935TransitionTimestamp = chainSpecJson.Params.Eip2935TransitionTimestamp,
diff --git a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/Json/ChainSpecParamsJson.cs b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/Json/ChainSpecParamsJson.cs
index 283f755d9f0..527f520b611 100644
--- a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/Json/ChainSpecParamsJson.cs
+++ b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/Json/ChainSpecParamsJson.cs
@@ -147,4 +147,5 @@ internal class ChainSpecParamsJson
     public ulong? Eip4844MaxBlobGasPerBlock { get; set; }
     public UInt256? Eip4844MinBlobGasPrice { get; set; }
     public ulong? Eip4844TargetBlobGasPerBlock { get; set; }
+    public ulong? Eip7212TransitionTimestamp { get; set; }
 }
diff --git a/src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs b/src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs
index 11036fa0946..04296fb1d58 100644
--- a/src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs
+++ b/src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs
@@ -16,6 +16,7 @@ protected Prague()
         Name = "Prague";
         IsEip2537Enabled = true;
         IsEip2935Enabled = true;
+        IsEip7212Enabled = true;
         Eip2935ContractAddress = Eip2935Constants.BlockHashHistoryAddress;
     }
 
diff --git a/src/Nethermind/Nethermind.Specs/ReleaseSpec.cs b/src/Nethermind/Nethermind.Specs/ReleaseSpec.cs
index c3615a05a13..490351e507a 100644
--- a/src/Nethermind/Nethermind.Specs/ReleaseSpec.cs
+++ b/src/Nethermind/Nethermind.Specs/ReleaseSpec.cs
@@ -80,6 +80,7 @@ public ReleaseSpec Clone()
         public bool IsEip3860Enabled { get; set; }
         public bool IsEip4895Enabled { get; set; }
         public bool IsEip4844Enabled { get; set; }
+        public bool IsEip7212Enabled { get; set; }
         public bool IsEip5656Enabled { get; set; }
         public bool IsEip6780Enabled { get; set; }
         public bool IsEip4788Enabled { get; set; }
diff --git a/src/Nethermind/Nethermind.Specs/SystemTransactionReleaseSpec.cs b/src/Nethermind/Nethermind.Specs/SystemTransactionReleaseSpec.cs
index cc9f87ffa7a..34dd79db8bc 100644
--- a/src/Nethermind/Nethermind.Specs/SystemTransactionReleaseSpec.cs
+++ b/src/Nethermind/Nethermind.Specs/SystemTransactionReleaseSpec.cs
@@ -16,6 +16,7 @@ public SystemTransactionReleaseSpec(IReleaseSpec spec)
             _spec = spec;
         }
         public bool IsEip4844Enabled => _spec.IsEip4844Enabled;
+        public bool IsEip7212Enabled => _spec.IsEip7212Enabled;
 
         public string Name => "System";
 

From 3f099b697a5d22dac691dde1406ff36868fd416f Mon Sep 17 00:00:00 2001
From: Alex Bespalov <alexb5dh@gmail.com>
Date: Tue, 11 Jun 2024 18:50:23 +0300
Subject: [PATCH 4/8] Fix missing precompile

---
 src/Nethermind/Nethermind.Evm/CodeInfoRepository.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Nethermind/Nethermind.Evm/CodeInfoRepository.cs b/src/Nethermind/Nethermind.Evm/CodeInfoRepository.cs
index 48b67ddd52d..57eb47d499d 100644
--- a/src/Nethermind/Nethermind.Evm/CodeInfoRepository.cs
+++ b/src/Nethermind/Nethermind.Evm/CodeInfoRepository.cs
@@ -89,6 +89,8 @@ private static FrozenDictionary<AddressAsKey, CodeInfo> InitializePrecompiledCon
             [MapToG2Precompile.Address] = new(MapToG2Precompile.Instance),
 
             [PointEvaluationPrecompile.Address] = new(PointEvaluationPrecompile.Instance),
+
+            [Secp256r1Precompile.Address] = new(Secp256r1Precompile.Instance),
         }.ToFrozenDictionary();
     }
 

From 1dc5ccc234d95df47fe2a49033c43e6c7aecb207 Mon Sep 17 00:00:00 2001
From: Alex Bespalov <alexb5dh@gmail.com>
Date: Tue, 11 Jun 2024 22:32:42 +0300
Subject: [PATCH 5/8] Update precompile implementation

---
 .../Precompiles/Secp256r1Precompile.cs              | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs b/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs
index c462d72aea3..ed00e14a789 100644
--- a/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs
+++ b/src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs
@@ -2,7 +2,6 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 
 using System;
-using System.Buffers;
 using System.Security.Cryptography;
 using Nethermind.Core;
 using Nethermind.Core.Extensions;
@@ -12,9 +11,7 @@ namespace Nethermind.Evm.Precompiles;
 
 public class Secp256r1Precompile : IPrecompile<Secp256r1Precompile>
 {
-    private const int RequiredInputLength = 160;
     private static readonly byte[] ValidResult = new byte[] { 1 }.PadLeft(32);
-    private static readonly byte[] InvalidResult = new byte[] { 0 }.PadLeft(32);
 
     public static readonly Secp256r1Precompile Instance = new();
     public static Address Address { get; } = Address.FromNumber(0x100);
@@ -22,16 +19,18 @@ public class Secp256r1Precompile : IPrecompile<Secp256r1Precompile>
     public long BaseGasCost(IReleaseSpec releaseSpec) => 3450L;
     public long DataGasCost(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec) => 0L;
 
+    // TODO can be optimized - Go implementation is 2-6 times faster depending on the platform. Options:
+    // - Try to replicate Go version in C#
+    // - Compile Go code into a library and call it via P/Invoke
     public (ReadOnlyMemory<byte>, bool) Run(in ReadOnlyMemory<byte> inputData, IReleaseSpec releaseSpec)
     {
-        if (inputData.Length != RequiredInputLength)
-            return (Array.Empty<byte>(), false);
+        if (inputData.Length != 160)
+            return (null, true);
 
         ReadOnlySpan<byte> bytes = inputData.Span;
         ReadOnlySpan<byte> hash = bytes[..32], sig = bytes[32..96];
         ReadOnlySpan<byte> x = bytes[96..128], y = bytes[128..160];
 
-        // TODO optimize
         using var ecdsa = ECDsa.Create(new ECParameters
         {
             Curve = ECCurve.NamedCurves.nistP256,
@@ -41,6 +40,6 @@ public class Secp256r1Precompile : IPrecompile<Secp256r1Precompile>
 
         Metrics.Secp256r1Precompile++;
 
-        return (isValid ? ValidResult : InvalidResult, true);
+        return (isValid ? ValidResult : null, true);
     }
 }

From 9830ab38d3720d2158e6b6d4c2e5b622f57f54f7 Mon Sep 17 00:00:00 2001
From: Alex Bespalov <alexb5dh@gmail.com>
Date: Tue, 11 Jun 2024 22:32:54 +0300
Subject: [PATCH 6/8] Update and fix tests

---
 .../Secp256r1PrecompilePrecompileTests.cs        | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs b/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs
index 0e759da167e..4ab96c72984 100644
--- a/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs
+++ b/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs
@@ -17,10 +17,6 @@ public class Secp256r1PrecompilePrecompileTests : VirtualMachineTestsBase
             "0000000000000000000000000000000000000000000000000000000000000001"
         );
 
-        private static readonly byte[] InvalidAnswer = Bytes.FromHexString(
-            "0000000000000000000000000000000000000000000000000000000000000000"
-        );
-
         [Test] // https://github.com/paradigmxyz/alphanet/blob/main/crates/precompile/src/secp256r1.rs#L137
         [TestCase(
             "4cee90eb86eaa050036147a12d49004b6b9c72bd725d39d4785011fe190f0b4da73bd4903f0ce3b639bbbf6e8e80d16931ff4bcf5993d58468e8fb19086e8cac36dbcd03009df8c59286b162af3bd7fcc0450c9aa81be5d10d312af6c66b1d604aebd3099c618202fcfe16ae7770b0c49ab5eadf74b754204a3bb6060e44eff37618b065f9832de4ca6ca971a7a1adc826d0f7c00181a5fb2ddf79ae00b4e10e",
@@ -67,21 +63,25 @@ public void Produces_Correct_Outputs(string input, bool isValid)
             var bytes = Bytes.FromHexString(input);
             (ReadOnlyMemory<byte> output, bool success) = Secp256r1Precompile.Instance.Run(bytes, Prague.Instance);
             success.Should().BeTrue();
-            output.ToArray().Should().BeEquivalentTo(isValid ? ValidAnswer : InvalidAnswer);
+            output.ToArray().Should().BeEquivalentTo(isValid ? ValidAnswer : []);
         }
 
         [Test]
+        [TestCase(
+            ""
+        )]
         [TestCase(
             "4cee90eb86eaa050036147a12d49004b6a"
         )]
         [TestCase(
             "4cee90eb86eaa050036147a12d49004b6a958b991cfd78f16537fe6d1f4afd10273384db08bdfc843562a22b0626766686f6aec8247599f40bfe01bec0e0ecf17b4319559022d4d9bf007fe929943004eb4866760dedf319"
         )]
-        public void Fails_On_Incorrect_Input(string input)
+        public void Produces_Empty_Output_On_Invalid_Input(string input)
         {
             var bytes = Bytes.FromHexString(input);
-            (ReadOnlyMemory<byte> _, bool success) = Secp256r1Precompile.Instance.Run(bytes, Prague.Instance);
-            success.Should().BeFalse();
+            (ReadOnlyMemory<byte> output, bool success) = Secp256r1Precompile.Instance.Run(bytes, Prague.Instance);
+            success.Should().BeTrue();
+            output.Should().Be(ReadOnlyMemory<byte>.Empty);
         }
     }
 }

From 23b58928797f691bb44679b84d3b4c958aa6f405 Mon Sep 17 00:00:00 2001
From: Alex Bespalov <alexb5dh@gmail.com>
Date: Tue, 11 Jun 2024 22:57:32 +0300
Subject: [PATCH 7/8] Rename EIP7212 -> RIP7212

---
 src/Nethermind/Chains/op-sepolia.json                        | 2 +-
 src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs         | 5 ++++-
 .../Nethermind.Evm/Precompiles/AddressExtensions.cs          | 2 +-
 .../Nethermind.Specs.Test/OverridableReleaseSpec.cs          | 2 +-
 .../Nethermind.Specs/ChainSpecStyle/ChainParameters.cs       | 2 +-
 .../ChainSpecStyle/ChainSpecBasedSpecProvider.cs             | 2 +-
 .../Nethermind.Specs/ChainSpecStyle/ChainSpecLoader.cs       | 2 +-
 .../ChainSpecStyle/Json/ChainSpecParamsJson.cs               | 2 +-
 src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs           | 2 +-
 src/Nethermind/Nethermind.Specs/ReleaseSpec.cs               | 2 +-
 .../Nethermind.Specs/SystemTransactionReleaseSpec.cs         | 2 +-
 11 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/src/Nethermind/Chains/op-sepolia.json b/src/Nethermind/Chains/op-sepolia.json
index f90ba4e5a25..ab7158b1261 100644
--- a/src/Nethermind/Chains/op-sepolia.json
+++ b/src/Nethermind/Chains/op-sepolia.json
@@ -61,7 +61,7 @@
     "eip4844TransitionTimestamp": "0x65D62C10",
     "eip5656TransitionTimestamp": "0x65D62C10",
     "eip6780TransitionTimestamp": "0x65D62C10",
-    "eip7212TransitionTimestamp": "0x66575100",
+    "rip7212TransitionTimestamp": "0x66575100",
     "terminalTotalDifficulty": "0"
   },
   "genesis": {
diff --git a/src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs b/src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs
index a7564cccaec..de7e33ea06d 100644
--- a/src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs
+++ b/src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs
@@ -279,7 +279,10 @@ public interface IReleaseSpec : IEip1559Spec, IReceiptSpec
         /// </summary>
         bool IsEip6780Enabled { get; }
 
-        bool IsEip7212Enabled { get; }
+        /// <summary>
+        /// Secp256r1 precompile
+        /// </summary>
+        bool IsRip7212Enabled { get; }
 
         /// <summary>
         /// Should transactions be validated against chainId.
diff --git a/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs b/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs
index 6a7b3e6140f..11ba1f00ae5 100644
--- a/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs
+++ b/src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs
@@ -42,7 +42,7 @@ public static bool IsPrecompile(this Address address, IReleaseSpec releaseSpec)
                 },
                 0x01 => (data[4] >>> 24) switch
                 {
-                    0x00 => releaseSpec.IsEip7212Enabled,
+                    0x00 => releaseSpec.IsRip7212Enabled,
                     _ => false
                 },
                 _ => false
diff --git a/src/Nethermind/Nethermind.Specs.Test/OverridableReleaseSpec.cs b/src/Nethermind/Nethermind.Specs.Test/OverridableReleaseSpec.cs
index 4358c9f50f7..5ed238c70b8 100644
--- a/src/Nethermind/Nethermind.Specs.Test/OverridableReleaseSpec.cs
+++ b/src/Nethermind/Nethermind.Specs.Test/OverridableReleaseSpec.cs
@@ -111,7 +111,7 @@ public OverridableReleaseSpec(IReleaseSpec spec)
 
         public bool IsEip3541Enabled => _spec.IsEip3541Enabled;
         public bool IsEip4844Enabled => _spec.IsEip4844Enabled;
-        public bool IsEip7212Enabled => _spec.IsEip7212Enabled;
+        public bool IsRip7212Enabled => _spec.IsRip7212Enabled;
         public bool IsEip3607Enabled { get; set; }
 
         public bool IsEip158IgnoredAccount(Address address)
diff --git a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainParameters.cs b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainParameters.cs
index 21d7f603a44..d3f5c970570 100644
--- a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainParameters.cs
+++ b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainParameters.cs
@@ -119,7 +119,7 @@ public class ChainParameters
     public Address Eip4788ContractAddress { get; set; }
     public ulong? Eip2935TransitionTimestamp { get; set; }
     public Address Eip2935ContractAddress { get; set; }
-    public ulong? Eip7212TransitionTimestamp { get; set; }
+    public ulong? Rip7212TransitionTimestamp { get; set; }
 
     #region EIP-4844 parameters
     /// <summary>
diff --git a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecBasedSpecProvider.cs b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecBasedSpecProvider.cs
index f15978909aa..d0b3805a52f 100644
--- a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecBasedSpecProvider.cs
+++ b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecBasedSpecProvider.cs
@@ -245,7 +245,7 @@ private static ReleaseSpec CreateReleaseSpec(ChainSpec chainSpec, long releaseSt
             releaseSpec.WithdrawalTimestamp = chainSpec.Parameters.Eip4895TransitionTimestamp ?? ulong.MaxValue;
 
             releaseSpec.IsEip4844Enabled = (chainSpec.Parameters.Eip4844TransitionTimestamp ?? ulong.MaxValue) <= releaseStartTimestamp;
-            releaseSpec.IsEip7212Enabled = (chainSpec.Parameters.Eip7212TransitionTimestamp ?? ulong.MaxValue) <= releaseStartTimestamp;
+            releaseSpec.IsRip7212Enabled = (chainSpec.Parameters.Rip7212TransitionTimestamp ?? ulong.MaxValue) <= releaseStartTimestamp;
             releaseSpec.Eip4844TransitionTimestamp = chainSpec.Parameters.Eip4844TransitionTimestamp ?? ulong.MaxValue;
             releaseSpec.IsEip5656Enabled = (chainSpec.Parameters.Eip5656TransitionTimestamp ?? ulong.MaxValue) <= releaseStartTimestamp;
             releaseSpec.IsEip6780Enabled = (chainSpec.Parameters.Eip6780TransitionTimestamp ?? ulong.MaxValue) <= releaseStartTimestamp;
diff --git a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecLoader.cs b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecLoader.cs
index e948a52a23c..068c4d19365 100644
--- a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecLoader.cs
+++ b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/ChainSpecLoader.cs
@@ -141,7 +141,7 @@ bool GetForInnerPathExistence(KeyValuePair<string, JsonElement> o) =>
             Eip2537TransitionTimestamp = chainSpecJson.Params.Eip2537TransitionTimestamp,
             Eip5656TransitionTimestamp = chainSpecJson.Params.Eip5656TransitionTimestamp,
             Eip6780TransitionTimestamp = chainSpecJson.Params.Eip6780TransitionTimestamp,
-            Eip7212TransitionTimestamp = chainSpecJson.Params.Eip7212TransitionTimestamp,
+            Rip7212TransitionTimestamp = chainSpecJson.Params.Rip7212TransitionTimestamp,
             Eip4788TransitionTimestamp = chainSpecJson.Params.Eip4788TransitionTimestamp,
             Eip4788ContractAddress = chainSpecJson.Params.Eip4788ContractAddress ?? Eip4788Constants.BeaconRootsAddress,
             Eip2935TransitionTimestamp = chainSpecJson.Params.Eip2935TransitionTimestamp,
diff --git a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/Json/ChainSpecParamsJson.cs b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/Json/ChainSpecParamsJson.cs
index 527f520b611..499022ca0c6 100644
--- a/src/Nethermind/Nethermind.Specs/ChainSpecStyle/Json/ChainSpecParamsJson.cs
+++ b/src/Nethermind/Nethermind.Specs/ChainSpecStyle/Json/ChainSpecParamsJson.cs
@@ -147,5 +147,5 @@ internal class ChainSpecParamsJson
     public ulong? Eip4844MaxBlobGasPerBlock { get; set; }
     public UInt256? Eip4844MinBlobGasPrice { get; set; }
     public ulong? Eip4844TargetBlobGasPerBlock { get; set; }
-    public ulong? Eip7212TransitionTimestamp { get; set; }
+    public ulong? Rip7212TransitionTimestamp { get; set; }
 }
diff --git a/src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs b/src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs
index 04296fb1d58..928e61cc372 100644
--- a/src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs
+++ b/src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs
@@ -16,7 +16,7 @@ protected Prague()
         Name = "Prague";
         IsEip2537Enabled = true;
         IsEip2935Enabled = true;
-        IsEip7212Enabled = true;
+        IsRip7212Enabled = true;
         Eip2935ContractAddress = Eip2935Constants.BlockHashHistoryAddress;
     }
 
diff --git a/src/Nethermind/Nethermind.Specs/ReleaseSpec.cs b/src/Nethermind/Nethermind.Specs/ReleaseSpec.cs
index 490351e507a..67cdfdd7a14 100644
--- a/src/Nethermind/Nethermind.Specs/ReleaseSpec.cs
+++ b/src/Nethermind/Nethermind.Specs/ReleaseSpec.cs
@@ -80,7 +80,7 @@ public ReleaseSpec Clone()
         public bool IsEip3860Enabled { get; set; }
         public bool IsEip4895Enabled { get; set; }
         public bool IsEip4844Enabled { get; set; }
-        public bool IsEip7212Enabled { get; set; }
+        public bool IsRip7212Enabled { get; set; }
         public bool IsEip5656Enabled { get; set; }
         public bool IsEip6780Enabled { get; set; }
         public bool IsEip4788Enabled { get; set; }
diff --git a/src/Nethermind/Nethermind.Specs/SystemTransactionReleaseSpec.cs b/src/Nethermind/Nethermind.Specs/SystemTransactionReleaseSpec.cs
index 34dd79db8bc..9ab42d14e21 100644
--- a/src/Nethermind/Nethermind.Specs/SystemTransactionReleaseSpec.cs
+++ b/src/Nethermind/Nethermind.Specs/SystemTransactionReleaseSpec.cs
@@ -16,7 +16,7 @@ public SystemTransactionReleaseSpec(IReleaseSpec spec)
             _spec = spec;
         }
         public bool IsEip4844Enabled => _spec.IsEip4844Enabled;
-        public bool IsEip7212Enabled => _spec.IsEip7212Enabled;
+        public bool IsRip7212Enabled => _spec.IsRip7212Enabled;
 
         public string Name => "System";
 

From 833c90390c0bfa66da5364e41331db944fdad5d3 Mon Sep 17 00:00:00 2001
From: Alex Bespalov <alexb5dh@gmail.com>
Date: Wed, 12 Jun 2024 04:12:27 +0300
Subject: [PATCH 8/8] File header year fix

---
 .../Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs b/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs
index 4ab96c72984..b123d2074b9 100644
--- a/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs
+++ b/src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2022 Demerzel Solutions Limited
+// SPDX-FileCopyrightText: 2024 Demerzel Solutions Limited
 // SPDX-License-Identifier: LGPL-3.0-only
 
 using System;