EIP/RIP-7212

src/Nethermind/Chains/op-sepolia.json

@@ -61,7 +61,7 @@
     "eip4844TransitionTimestamp": "0x65D62C10",
     "eip5656TransitionTimestamp": "0x65D62C10",
     "eip6780TransitionTimestamp": "0x65D62C10",
-    "eip7212TransitionTimestamp": "0x66575100",
+    "rip7212TransitionTimestamp": "0x66575100",
     "terminalTotalDifficulty": "0"
   },
   "genesis": {

src/Nethermind/Nethermind.Core/Specs/IReleaseSpec.cs

@@ -279,6 +279,11 @@ public interface IReleaseSpec : IEip1559Spec, IReceiptSpec
         /// </summary>
         bool IsEip6780Enabled { get; }
 
+        /// <summary>
+        /// Secp256r1 precompile
+        /// </summary>
+        bool IsRip7212Enabled { get; }
+
         /// <summary>
         /// Should transactions be validated against chainId.
         /// </summary>

src/Nethermind/Nethermind.Evm.Test/Secp256r1PrecompilePrecompileTests.cs

@@ -0,0 +1,87 @@
+// SPDX-FileCopyrightText: 2024 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"
+        );
+
+        [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 : []);
+        }
+
+        [Test]
+        [TestCase(
+            ""
+        )]
+        [TestCase(
+            "4cee90eb86eaa050036147a12d49004b6a"
+        )]
+        [TestCase(
+            "4cee90eb86eaa050036147a12d49004b6a958b991cfd78f16537fe6d1f4afd10273384db08bdfc843562a22b0626766686f6aec8247599f40bfe01bec0e0ecf17b4319559022d4d9bf007fe929943004eb4866760dedf319"
+        )]
+        public void Produces_Empty_Output_On_Invalid_Input(string input)
+        {
+            var bytes = Bytes.FromHexString(input);
+            (ReadOnlyMemory<byte> output, bool success) = Secp256r1Precompile.Instance.Run(bytes, Prague.Instance);
+            success.Should().BeTrue();
+            output.Should().Be(ReadOnlyMemory<byte>.Empty);
+        }
+    }
+}

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();
     }
 

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; }
 

src/Nethermind/Nethermind.Evm/Precompiles/AddressExtensions.cs

@@ -13,29 +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,
+                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.IsRip7212Enabled,
+                    _ => false
+                },
                 _ => false
             };
     }

src/Nethermind/Nethermind.Evm/Precompiles/Secp256r1Precompile.cs

@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: 2024 Demerzel Solutions Limited
+// SPDX-License-Identifier: LGPL-3.0-only
+
+using System;
+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 static readonly byte[] ValidResult = new byte[] { 1 }.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;
+
+    // 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 != 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];
+
+        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 : null, true);
+    }
+}

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 IsRip7212Enabled => _spec.IsRip7212Enabled;
         public bool IsEip3607Enabled { get; set; }
 
         public bool IsEip158IgnoredAccount(Address address)

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? Rip7212TransitionTimestamp { get; set; }
 
     #region EIP-4844 parameters
     /// <summary>

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.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;

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,
+            Rip7212TransitionTimestamp = chainSpecJson.Params.Rip7212TransitionTimestamp,
             Eip4788TransitionTimestamp = chainSpecJson.Params.Eip4788TransitionTimestamp,
             Eip4788ContractAddress = chainSpecJson.Params.Eip4788ContractAddress ?? Eip4788Constants.BeaconRootsAddress,
             Eip2935TransitionTimestamp = chainSpecJson.Params.Eip2935TransitionTimestamp,

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? Rip7212TransitionTimestamp { get; set; }
 }

src/Nethermind/Nethermind.Specs/Forks/18_Prague.cs

@@ -16,6 +16,7 @@ protected Prague()
         Name = "Prague";
         IsEip2537Enabled = true;
         IsEip2935Enabled = true;
+        IsRip7212Enabled = true;
         Eip2935ContractAddress = Eip2935Constants.BlockHashHistoryAddress;
     }
 

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 IsRip7212Enabled { get; set; }
         public bool IsEip5656Enabled { get; set; }
         public bool IsEip6780Enabled { get; set; }
         public bool IsEip4788Enabled { get; set; }

src/Nethermind/Nethermind.Specs/SystemTransactionReleaseSpec.cs

@@ -16,6 +16,7 @@ public SystemTransactionReleaseSpec(IReleaseSpec spec)
             _spec = spec;
         }
         public bool IsEip4844Enabled => _spec.IsEip4844Enabled;
+        public bool IsRip7212Enabled => _spec.IsRip7212Enabled;
 
         public string Name => "System";