Add Shanghai hard-fork settings for Chiado testnet

src/Nethermind/Chains/chiado.json

@@ -43,6 +43,8 @@
     "networkID": 10200,
     "gasLimitBoundDivisor": "0x400",
     "maximumExtraDataSize": "0x20",
+    "maxCodeSize": "0x6000",
+    "maxCodeSizeTransitionTimestamp": "0x646dff10",
     "minGasLimit": "0x1388",
     "eip140Transition": "0x0",
     "eip211Transition": "0x0",
@@ -62,6 +64,10 @@
     "eip3529Transition": "0x0",
     "eip3541Transition": "0x0",
     "eip1559Transition": "0x0",
+    "eip3651TransitionTimestamp": "0x646dff10",
+    "eip3855TransitionTimestamp": "0x646dff10",
+    "eip3860TransitionTimestamp": "0x646dff10",
+    "eip4895TransitionTimestamp": "0x646dff10",
     "eip1559BaseFeeMaxChangeDenominator": "0x8",
     "eip1559ElasticityMultiplier": "0x2",
     "eip1559FeeCollector": "0x1559000000000000000000000000000000000000",

src/Nethermind/Nethermind.Network.Test/ForkInfoTests.cs

@@ -186,7 +186,7 @@ public void Fork_id_and_hash_as_expected_on_gnosis(long head, ulong headTimestam
         Test(head, headTimestamp, KnownHashes.GnosisGenesis, forkHashHex, next, description, provider);
     }
 
-    [TestCase(0, 0ul, "0x50d39d7b", 0ul, "Chiado genesis")]
+    [TestCase(0L, 0UL, "0x50d39d7b", ChiadoSpecProvider.ShanghaiTimestamp, "Chiado genesis")]
     public void Fork_id_and_hash_as_expected_on_chiado(long head, ulong headTimestamp, string forkHashHex, ulong next, string description)
     {
         ChainSpecLoader loader = new ChainSpecLoader(new EthereumJsonSerializer());

src/Nethermind/Nethermind.Specs.Test/ChainSpecStyle/ChainSpecBasedSpecProviderTests.cs

@@ -216,8 +216,10 @@ public void Chiado_loads_properly()
         List<ForkActivation> forkActivationsToTest = new()
         {
             (ForkActivation)0,
-            (ForkActivation)1,
-            (ForkActivation)999_999_999, // far in the future
+            //(ForkActivation)1,
+            (1, ChiadoSpecProvider.ShanghaiTimestamp - 1),
+            (1, ChiadoSpecProvider.ShanghaiTimestamp),
+            (999_999_999, 999_999_999) // far in the future
         };
 
         CompareSpecProviders(chiado, provider, forkActivationsToTest, CompareSpecsOptions.IsGnosis);
@@ -322,7 +324,7 @@ enum CompareSpecsOptions
         }
     }
 
-    private static void CompareSpecs(IReleaseSpec expectedSpec, IReleaseSpec ActualSpec, ForkActivation activation, CompareSpecsOptions compareSpecsOptions)
+    private static void CompareSpecs(IReleaseSpec expectedSpec, IReleaseSpec actualSpec, ForkActivation activation, CompareSpecsOptions compareSpecsOptions)
     {
         bool isMainnet = (compareSpecsOptions & CompareSpecsOptions.IsMainnet) != 0;
         bool checkDifficultyBomb = (compareSpecsOptions & CompareSpecsOptions.CheckDifficultyBomb) != 0;
@@ -355,7 +357,7 @@ private static void CompareSpecs(IReleaseSpec expectedSpec, IReleaseSpec ActualS
                      .Where(p => !isGnosis || p.Name != nameof(IReleaseSpec.LimitCodeSize))
                      .Where(p => !isGnosis || p.Name != nameof(IReleaseSpec.UseConstantinopleNetGasMetering)))
         {
-            Assert.That(propertyInfo.GetValue(ActualSpec), Is.EqualTo(propertyInfo.GetValue(expectedSpec)),
+            Assert.That(propertyInfo.GetValue(actualSpec), Is.EqualTo(propertyInfo.GetValue(expectedSpec)),
                 activation + "." + propertyInfo.Name);
         }
     }

src/Nethermind/Nethermind.Specs/ChiadoSpecProvider.cs

@@ -10,39 +10,36 @@ namespace Nethermind.Specs;
 
 public class ChiadoSpecProvider : ISpecProvider
 {
-    public static readonly ChiadoSpecProvider Instance = new();
+    public const ulong ShanghaiTimestamp = 0x646dff10UL;
+
     private ChiadoSpecProvider() { }
 
-    private ForkActivation? _theMergeBlock = null;
-    private UInt256? _terminalTotalDifficulty = UInt256.Parse("231707791542740786049188744689299064356246512");
+    public IReleaseSpec GetSpec(ForkActivation forkActivation) => forkActivation.BlockNumber switch
+    {
+        _ => forkActivation.Timestamp switch
+        {
+            null or < ShanghaiTimestamp => GenesisSpec,
+            _ => Shanghai.Instance
+        }
+    };
 
     public void UpdateMergeTransitionInfo(long? blockNumber, UInt256? terminalTotalDifficulty = null)
     {
         if (blockNumber is not null)
-            _theMergeBlock = (ForkActivation)blockNumber;
+            MergeBlockNumber = (ForkActivation)blockNumber;
+
         if (terminalTotalDifficulty is not null)
-            _terminalTotalDifficulty = terminalTotalDifficulty;
+            TerminalTotalDifficulty = terminalTotalDifficulty;
     }
 
-    public ForkActivation? MergeBlockNumber => _theMergeBlock;
+    public ForkActivation? MergeBlockNumber { get; private set; }
     public ulong TimestampFork => ShanghaiTimestamp;
-    public UInt256? TerminalTotalDifficulty => _terminalTotalDifficulty;
+    public UInt256? TerminalTotalDifficulty { get; private set; } = UInt256.Parse("231707791542740786049188744689299064356246512");
     public IReleaseSpec GenesisSpec => London.Instance;
     public long? DaoBlockNumber => null;
     public ulong NetworkId => BlockchainIds.Chiado;
     public ulong ChainId => BlockchainIds.Chiado;
     public ForkActivation[] TransitionActivations { get; }
-    public IReleaseSpec GetSpec(ForkActivation forkActivation)
-    {
-        return forkActivation.BlockNumber switch
-        {
-            _ => forkActivation.Timestamp switch
-            {
-                null or < ShanghaiTimestamp => GenesisSpec,
-                _ => Shanghai.Instance
-            }
-        };
-    }
 
-    public const ulong ShanghaiTimestamp = long.MaxValue;
+    public static ChiadoSpecProvider Instance { get; } = new();
 }