Gray glacier hard fork (#3962)

* preparation for the gray glacier hard fork

Signed-off-by: Daniel Lehrner <daniel.lehrner@consensys.net>

CHANGELOG.md

@@ -6,6 +6,7 @@
 - \[EXPERIMENTAL\] Add checkpoint sync `--sync-mode="X_CHECKPOINT"` [#3849](https://github.com/hyperledger/besu/pull/3849)
 - Support `finalized` and `safe` as tags for the block parameter in RPC APIs [#3950](https://github.com/hyperledger/besu/pull/3950)
 - Added verification of payload attributes in ForkchoiceUpdated [#3837](https://github.com/hyperledger/besu/pull/3837)
+- Add support for Gray Glacier hardfork [#3961](https://github.com/hyperledger/besu/issues/3961)
 
 ### Bug Fixes
 - alias engine-rpc-port parameter with the former rpc param name [#3958](https://github.com/hyperledger/besu/pull/3958)

besu/src/test/java/org/hyperledger/besu/ForkIdsTest.java

@@ -110,8 +110,9 @@ public class ForkIdsTest {
               new ForkId(Bytes.ofUnsignedInt(0xe029e991L), 12244000L),
               new ForkId(Bytes.ofUnsignedInt(0xeb440f6L), 12965000L),
               new ForkId(Bytes.ofUnsignedInt(0xb715077dL), 13773000L),
-              new ForkId(Bytes.ofUnsignedInt(0x20c327fc), 0L),
-              new ForkId(Bytes.ofUnsignedInt(0x20c327fc), 0L))
+              new ForkId(Bytes.ofUnsignedInt(0x20c327fcL), 15050000L),
+              new ForkId(Bytes.ofUnsignedInt(0xf0afd0e3L), 0L),
+              new ForkId(Bytes.ofUnsignedInt(0xf0afd0e3L), 0L))
         },
         new Object[] {
           NetworkName.MORDOR,

config/src/main/java/org/hyperledger/besu/config/GenesisConfigOptions.java

@@ -86,6 +86,8 @@ public interface GenesisConfigOptions {
 
   OptionalLong getArrowGlacierBlockNumber();
 
+  OptionalLong getGrayGlacierBlockNumber();
+
   OptionalLong getParisBlockNumber();
 
   Optional<Wei> getBaseFeePerGas();

config/src/main/java/org/hyperledger/besu/config/JsonGenesisConfigOptions.java

@@ -275,6 +275,11 @@ public class JsonGenesisConfigOptions implements GenesisConfigOptions {
     return getOptionalLong("arrowglacierblock");
   }
 
+  @Override
+  public OptionalLong getGrayGlacierBlockNumber() {
+    return getOptionalLong("grayglacierblock");
+  }
+
   @Override
   public OptionalLong getParisBlockNumber() {
     var parisBlock = getOptionalLong("parisblock");
@@ -441,6 +446,7 @@ public class JsonGenesisConfigOptions implements GenesisConfigOptions {
     getBerlinBlockNumber().ifPresent(l -> builder.put("berlinBlock", l));
     getLondonBlockNumber().ifPresent(l -> builder.put("londonBlock", l));
     getArrowGlacierBlockNumber().ifPresent(l -> builder.put("arrowGlacierBlock", l));
+    getGrayGlacierBlockNumber().ifPresent(l -> builder.put("grayGlacierBlock", l));
     getParisBlockNumber().ifPresent(l -> builder.put("parisBlock", l));
     getTerminalBlockNumber().ifPresent(l -> builder.put("terminalBlockNumber", l));
     getTerminalBlockHash().ifPresent(h -> builder.put("terminalBlockHash", h.toHexString()));
@@ -559,6 +565,7 @@ public class JsonGenesisConfigOptions implements GenesisConfigOptions {
             getBerlinBlockNumber(),
             getLondonBlockNumber(),
             getArrowGlacierBlockNumber(),
+            getGrayGlacierBlockNumber(),
             getParisBlockNumber(),
             getTerminalBlockNumber(),
             getEcip1015BlockNumber(),

config/src/main/java/org/hyperledger/besu/config/StubGenesisConfigOptions.java

@@ -42,6 +42,7 @@ public class StubGenesisConfigOptions implements GenesisConfigOptions {
   private OptionalLong berlinBlockNumber = OptionalLong.empty();
   private OptionalLong londonBlockNumber = OptionalLong.empty();
   private OptionalLong arrowGlacierBlockNumber = OptionalLong.empty();
+  private OptionalLong grayGlacierBlockNumber = OptionalLong.empty();
   private OptionalLong parisBlockNumber = OptionalLong.empty();
   private OptionalLong terminalBlockNumber = OptionalLong.empty();
   private Optional<Hash> terminalBlockHash = Optional.empty();
@@ -205,6 +206,11 @@ public class StubGenesisConfigOptions implements GenesisConfigOptions {
     return arrowGlacierBlockNumber;
   }
 
+  @Override
+  public OptionalLong getGrayGlacierBlockNumber() {
+    return grayGlacierBlockNumber;
+  }
+
   @Override
   public OptionalLong getParisBlockNumber() {
     return parisBlockNumber;
@@ -336,6 +342,7 @@ public class StubGenesisConfigOptions implements GenesisConfigOptions {
     getBerlinBlockNumber().ifPresent(l -> builder.put("berlinBlock", l));
     getLondonBlockNumber().ifPresent(l -> builder.put("londonBlock", l));
     getArrowGlacierBlockNumber().ifPresent(l -> builder.put("arrowGlacierBlock", l));
+    getGrayGlacierBlockNumber().ifPresent(l -> builder.put("grayGlacierBlock", l));
     getParisBlockNumber().ifPresent(l -> builder.put("parisBlock", l));
     getTerminalBlockNumber().ifPresent(l -> builder.put("terminalBlockNumber", l));
     getTerminalBlockHash().ifPresent(h -> builder.put("terminalBlockHash", h));
@@ -465,6 +472,11 @@ public class StubGenesisConfigOptions implements GenesisConfigOptions {
     return this;
   }
 
+  public StubGenesisConfigOptions grayGlacierBlock(final long blockNumber) {
+    grayGlacierBlockNumber = OptionalLong.of(blockNumber);
+    return this;
+  }
+
   public StubGenesisConfigOptions parisBlock(final long blockNumber) {
     parisBlockNumber = OptionalLong.of(blockNumber);
     return this;

config/src/main/resources/mainnet.json

@@ -12,6 +12,7 @@
     "berlinBlock": 12244000,
     "londonBlock": 12965000,
     "arrowGlacierBlock": 13773000,
+    "grayGlacierBlock": 15050000,
     "ethash": {
     },
     "discovery": {

config/src/test/java/org/hyperledger/besu/config/GenesisConfigOptionsTest.java

@@ -191,6 +191,12 @@ public class GenesisConfigOptionsTest {
     assertThat(config.getArrowGlacierBlockNumber()).hasValue(1000);
   }
 
+  @Test
+  public void shouldGetGrayGlacierBlockNumber() {
+    final GenesisConfigOptions config = fromConfigOptions(singletonMap("grayGlacierBlock", 4242));
+    assertThat(config.getGrayGlacierBlockNumber()).hasValue(4242);
+  }
+
   @Test
   // TODO ECIP-1049 change for the actual fork name when known
   public void shouldGetECIP1049BlockNumber() {
@@ -213,6 +219,7 @@ public class GenesisConfigOptionsTest {
     assertThat(config.getBerlinBlockNumber()).isEmpty();
     assertThat(config.getLondonBlockNumber()).isEmpty();
     assertThat(config.getArrowGlacierBlockNumber()).isEmpty();
+    assertThat(config.getGrayGlacierBlockNumber()).isEmpty();
     assertThat(config.getEcip1049BlockNumber()).isEmpty();
   }
 

config/src/test/resources/all_forks.json

@@ -12,7 +12,8 @@
     "berlinBlock": 10,
     "londonBlock": 11,
     "arrowGlacierBlock": 12,
-    "parisBlock": 13,
+    "grayGlacierBlock": 13,
+    "parisBlock": 14,
     "ecip1015Block": 102,
     "dieHardBlock": 103,
     "gothamBlock": 104,

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/MainnetDifficultyCalculators.java

@@ -41,6 +41,7 @@ public abstract class MainnetDifficultyCalculators {
   private static final long MUIR_GLACIER_FAKE_BLOCK_OFFSET = 8_999_999L;
   private static final long LONDON_FAKE_BLOCK_OFFSET = 9_699_999L;
   private static final long ARROW_GLACIER_FAKE_BLOCK_OFFSET = 10_699_999L;
+  private static final long GRAY_GLACIER_FAKE_BLOCK_OFFSET = 11_399_999L;
 
   private MainnetDifficultyCalculators() {}
 
@@ -94,6 +95,11 @@ public abstract class MainnetDifficultyCalculators {
       (time, parent, protocolContext) ->
           calculateThawedDifficulty(time, parent, ARROW_GLACIER_FAKE_BLOCK_OFFSET);
 
+  // As per https://eips.ethereum.org/EIPS/eip-5133
+  static DifficultyCalculator GRAY_GLACIER =
+      (time, parent, protocolContext) ->
+          calculateThawedDifficulty(time, parent, GRAY_GLACIER_FAKE_BLOCK_OFFSET);
+
   private static BigInteger calculateThawedDifficulty(
       final long time, final BlockHeader parent, final long fakeBlockOffset) {
     final BigInteger parentDifficulty = difficulty(parent.getDifficulty());

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/MainnetProtocolSpecFactory.java

@@ -162,6 +162,18 @@ public class MainnetProtocolSpecFactory {
         evmConfiguration);
   }
 
+  public ProtocolSpecBuilder grayGlacierDefinition(
+      final GenesisConfigOptions genesisConfigOptions) {
+    return MainnetProtocolSpecs.grayGlacierDefinition(
+        chainId,
+        contractSizeLimit,
+        evmStackSize,
+        isRevertReasonEnabled,
+        genesisConfigOptions,
+        quorumCompatibilityMode,
+        evmConfiguration);
+  }
+
   public ProtocolSpecBuilder parisDefinition(final GenesisConfigOptions genesisConfigOptions) {
     return MainnetProtocolSpecs.parisDefinition(
         chainId,

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/MainnetProtocolSpecs.java

@@ -589,6 +589,26 @@ public abstract class MainnetProtocolSpecs {
         .name("ArrowGlacier");
   }
 
+  static ProtocolSpecBuilder grayGlacierDefinition(
+      final Optional<BigInteger> chainId,
+      final OptionalInt configContractSizeLimit,
+      final OptionalInt configStackSizeLimit,
+      final boolean enableRevertReason,
+      final GenesisConfigOptions genesisConfigOptions,
+      final boolean quorumCompatibilityMode,
+      final EvmConfiguration evmConfiguration) {
+    return arrowGlacierDefinition(
+            chainId,
+            configContractSizeLimit,
+            configStackSizeLimit,
+            enableRevertReason,
+            genesisConfigOptions,
+            quorumCompatibilityMode,
+            evmConfiguration)
+        .difficultyCalculator(MainnetDifficultyCalculators.GRAY_GLACIER)
+        .name("GrayGlacier");
+  }
+
   static ProtocolSpecBuilder parisDefinition(
       final Optional<BigInteger> chainId,
       final OptionalInt configContractSizeLimit,

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/ProtocolScheduleBuilder.java

@@ -231,6 +231,8 @@ public class ProtocolScheduleBuilder {
                 create(
                     config.getArrowGlacierBlockNumber(),
                     specFactory.arrowGlacierDefinition(config)),
+                create(
+                    config.getGrayGlacierBlockNumber(), specFactory.grayGlacierDefinition(config)),
                 create(config.getParisBlockNumber(), specFactory.parisDefinition(config)),
                 // Classic Milestones
                 create(config.getEcip1015BlockNumber(), specFactory.tangerineWhistleDefinition()),
@@ -322,6 +324,8 @@ public class ProtocolScheduleBuilder {
     lastForkBlock = validateForkOrder("London", config.getLondonBlockNumber(), lastForkBlock);
     lastForkBlock =
         validateForkOrder("ArrowGlacier", config.getArrowGlacierBlockNumber(), lastForkBlock);
+    lastForkBlock =
+        validateForkOrder("GrayGlacier", config.getGrayGlacierBlockNumber(), lastForkBlock);
     assert (lastForkBlock >= 0);
   }
 

ethereum/core/src/test/java/org/hyperledger/besu/ethereum/mainnet/MainnetProtocolScheduleTest.java

@@ -48,8 +48,9 @@ public class MainnetProtocolScheduleTest {
     Assertions.assertThat(sched.getByBlockNumber(12_244_000L).getName()).isEqualTo("Berlin");
     Assertions.assertThat(sched.getByBlockNumber(12_965_000L).getName()).isEqualTo("London");
     Assertions.assertThat(sched.getByBlockNumber(13_773_000L).getName()).isEqualTo("ArrowGlacier");
+    Assertions.assertThat(sched.getByBlockNumber(15_050_000L).getName()).isEqualTo("GrayGlacier");
     Assertions.assertThat(sched.getByBlockNumber(Long.MAX_VALUE).getName())
-        .isEqualTo("ArrowGlacier");
+        .isEqualTo("GrayGlacier");
   }
 
   @Test

ethereum/eth/src/test/java/org/hyperledger/besu/ethereum/eth/ForkIdTestUtil.java

@@ -64,7 +64,7 @@ public class ForkIdTestUtil {
     public static final List<Long> MAINNET =
         Arrays.asList(
             1920000L, 1150000L, 2463000L, 2675000L, 2675000L, 4370000L, 7280000L, 7280000L,
-            9069000L, 9200000L, 12244000L, 12965000L, 13773000L);
+            9069000L, 9200000L, 12244000L, 12965000L, 13773000L, 15050000L);
     public static final List<Long> ROPSTEN =
         Arrays.asList(0L, 0L, 10L, 1700000L, 4230000L, 4939394L, 6485846L, 7117117L);
     public static final List<Long> RINKEBY =
@@ -88,7 +88,8 @@ public class ForkIdTestUtil {
             new ForkId(Bytes.fromHexString("0xe029e991"), 12244000L), // First Muir Glacier block
             new ForkId(Bytes.fromHexString("0x0eb440f6"), 12965000L), // First Berlin block
             new ForkId(Bytes.fromHexString("0xb715077d"), 13773000L), // First London block
-            new ForkId(Bytes.fromHexString("0x20c327fc"), 0L)); // First Arrow Glacier block
+            new ForkId(Bytes.fromHexString("0x20c327fc"), 15050000L), // First Arrow Glacier block
+            new ForkId(Bytes.fromHexString("0xf0afd0e3"), 0L)); // First Gray Glacier block
     public static final List<ForkId> ROPSTEN =
         Arrays.asList(
             new ForkId(Bytes.fromHexString("0x30c7ddbc"), 10L),

ethereum/eth/src/test/java/org/hyperledger/besu/ethereum/eth/manager/EIP2124Test.java

@@ -220,15 +220,23 @@ public class EIP2124Test {
             "Mainnet // First Arrow Glacier block",
             Network.MAINNET,
             13773000L,
-            ForkIdTestUtil.wantForkId("0x20c327fc", 0L),
+            ForkIdTestUtil.wantForkId("0x20c327fc", 15050000L),
             Optional.of(ForkIds.MAINNET),
             empty()
           },
           {
-            "Mainnet // Future Arrow Glacier block",
+            "Mainnet // First Gray Glacier block",
+            Network.MAINNET,
+            15050000L,
+            ForkIdTestUtil.wantForkId("0xf0afd0e3", 0L),
+            Optional.of(ForkIds.MAINNET),
+            empty()
+          },
+          {
+            "Mainnet // Future Gray Glacier block",
             Network.MAINNET,
             20000000L,
-            ForkIdTestUtil.wantForkId("0x20c327fc", 0L),
+            ForkIdTestUtil.wantForkId("0xf0afd0e3", 0L),
             Optional.of(ForkIds.MAINNET),
             empty()
           },

ethereum/referencetests/src/main/java/org/hyperledger/besu/ethereum/referencetests/ReferenceTestProtocolSchedules.java

@@ -67,6 +67,7 @@ public class ReferenceTestProtocolSchedules {
     builder.put("London", createSchedule(new StubGenesisConfigOptions().londonBlock(0)));
     builder.put(
         "ArrowGlacier", createSchedule(new StubGenesisConfigOptions().arrowGlacierBlock(0)));
+    builder.put("GrayGlacier", createSchedule(new StubGenesisConfigOptions().grayGlacierBlock(0)));
     return new ReferenceTestProtocolSchedules(builder.build());
   }
 

ethereum/retesteth/src/main/java/org/hyperledger/besu/ethereum/retesteth/methods/TestSetChainParams.java

@@ -124,6 +124,7 @@ public class TestSetChainParams implements JsonRpcMethod {
     maybeMoveToNumber(params, "berlinForkBlock", config, "berlinBlock");
     maybeMoveToNumber(params, "londonForkBlock", config, "londonBlock");
     maybeMoveToNumber(params, "arrowGlacierForkBlock", config, "arrowGlacierBlock");
+    maybeMoveToNumber(params, "grayGlacierForkBlock", config, "grayGlacierBlock");
     maybeMoveToNumber(params, "chainID", config, "chainId", 1);
 
     maybeMove(genesis, "author", chainParamsJson, "coinbase");