Add Gnosis Shanghai hard-fork timestamp (#5848)

Author: rubo

src/Nethermind/Chains/gnosis.json

@@ -41,10 +41,12 @@
     }
   },
   "params": {
+    "networkID": "100",
     "gasLimitBoundDivisor": "0x400",
     "maximumExtraDataSize": "0x20",
+    "maxCodeSize": "0x6000",
+    "maxCodeSizeTransitionTimestamp": "0x64c8edbc",
     "minGasLimit": "0x1388",
-    "networkID": "100",
     "eip140Transition": "0x0",
     "eip211Transition": "0x0",
     "eip214Transition": "0x0",
@@ -68,6 +70,10 @@
     "eip3529Transition": 19040000,
     "eip3541Transition": 19040000,
     "eip1559Transition": 19040000,
+    "eip3651TransitionTimestamp": "0x64c8edbc",
+    "eip3855TransitionTimestamp": "0x64c8edbc",
+    "eip3860TransitionTimestamp": "0x64c8edbc",
+    "eip4895TransitionTimestamp": "0x64c8edbc",
     "eip1559BaseFeeMaxChangeDenominator": "0x8",
     "eip1559ElasticityMultiplier": "0x2",
     "eip1559BaseFeeInitialValue": "0x3b9aca00",

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

@@ -176,8 +176,10 @@ public void Fork_id_and_hash_as_expected_on_sepolia(long head, ulong headTimesta
     [TestCase(16101499, 0ul, "0xb6e6cd81", 16101500ul, "Last POSDAO Activation block")]
     [TestCase(16101500, 0ul, "0x069a83d9", 19040000ul, "First Berlin block")]
     [TestCase(19039999, 0ul, "0x069a83d9", 19040000ul, "Last Berlin block")]
-    [TestCase(19040000, 0ul, "0x018479d3", 0ul, "First London block")]
-    [TestCase(21735000, 0ul, "0x018479d3", 0ul, "First GIP-31 block")]
+    [TestCase(19040000, 0ul, "0x018479d3", GnosisSpecProvider.ShanghaiTimestamp, "First London block")]
+    [TestCase(21735000, 0ul, "0x018479d3", GnosisSpecProvider.ShanghaiTimestamp, "First GIP-31 block")]
+    [TestCase(31735000, GnosisSpecProvider.ShanghaiTimestamp, "0x2efe91ba", 0ul, "First Shanghai timestamp")]
+    [TestCase(91735000, GnosisSpecProvider.ShanghaiTimestamp, "0x2efe91ba", 0ul, "Future Shanghai timestamp")]
     public void Fork_id_and_hash_as_expected_on_gnosis(long head, ulong headTimestamp, string forkHashHex, ulong next, string description)
     {
         ChainSpecLoader loader = new ChainSpecLoader(new EthereumJsonSerializer());

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

@@ -22,7 +22,7 @@ namespace Nethermind.Specs.Test.ChainSpecStyle;
 [TestFixture]
 public class ChainSpecBasedSpecProviderTests
 {
-    private const ulong GnosisBlockTime = 5;
+    private const double GnosisBlockTime = 5;
 
     [TestCase(0, null, false)]
     [TestCase(0, 0ul, false)]
@@ -265,15 +265,14 @@ public void Gnosis_loads_properly()
 
         VerifyGnosisPreShanghaiExceptions(provider);
 
-        /* ToDo uncomment with Gnosis fork specified
         IReleaseSpec? preShanghaiSpec = provider.GetSpec((GnosisSpecProvider.LondonBlockNumber + 1,
             GnosisSpecProvider.ShanghaiTimestamp - 1));
         IReleaseSpec? postShanghaiSpec = provider.GetSpec((GnosisSpecProvider.LondonBlockNumber + 1,
             GnosisSpecProvider.ShanghaiTimestamp));
 
-        VerifyGnosisPreShanghaiExceptions(preShanghaiSpec, postShanghaiSpec);
+        VerifyGnosisShanghaiExceptions(preShanghaiSpec, postShanghaiSpec);
         GetTransitionTimestamps(chainSpec.Parameters).Should().AllSatisfy(
-            t => ValidateSlotByTimestamp(t, GnosisSpecProvider.BeaconChainGenesisTimestamp, GnosisBlockTime).Should().BeTrue()); */
+            t => ValidateSlotByTimestamp(t, GnosisSpecProvider.BeaconChainGenesisTimestamp, GnosisBlockTime).Should().BeTrue());
     }
 
     private void VerifyGnosisShanghaiExceptions(IReleaseSpec preShanghaiSpec, IReleaseSpec postShanghaiSpec)
@@ -830,6 +829,8 @@ private static IEnumerable<ulong> GetTransitionTimestamps(ChainParameters parame
     /// <param name="genesisTimestamp">The network's genesis timestamp</param>
     /// <param name="blockTime">The network's block time in seconds</param>
     /// <returns><c>true</c> if the timestamp is valid; otherwise, <c>false</c>.</returns>
-    private static bool ValidateSlotByTimestamp(ulong timestamp, ulong genesisTimestamp, ulong blockTime = 12) =>
-        timestamp > genesisTimestamp && (timestamp - genesisTimestamp) / blockTime % 0x2000 == 0;
+    private static bool ValidateSlotByTimestamp(ulong timestamp, ulong genesisTimestamp, double blockTime = 12) =>
+        timestamp > genesisTimestamp &&
+        Math.Round((timestamp - genesisTimestamp) / blockTime) % 0x2000 == 0 &&
+        Math.Ceiling((timestamp - genesisTimestamp) / blockTime) % 0x2000 == 0;
 }

src/Nethermind/Nethermind.Specs/GnosisSpecProvider.cs

@@ -16,7 +16,7 @@ public class GnosisSpecProvider : ISpecProvider
     public const long BerlinBlockNumber = 16_101_500;
     public const long LondonBlockNumber = 19_040_000;
     public const ulong BeaconChainGenesisTimestamp = 0x61b10dbc;
-    public const ulong ShanghaiTimestamp = long.MaxValue;
+    public const ulong ShanghaiTimestamp = 0x64c8edbc;
 
     private GnosisSpecProvider() { }