Temporary CancunEOF fork for EOF testing. (#7227)

Add Genesis ("CancunEOFTime") and reference test ("CancunEOF") support
for a temporary Cancun+EOF fork, in anticipation of potential devnets.

Signed-off-by: Danno Ferrin <danno@numisight.com>

besu/src/main/java/org/hyperledger/besu/cli/BesuCommand.java

@@ -1514,6 +1514,7 @@ public class BesuCommand implements DefaultCommandValues, Runnable {
     }
 
     if (genesisConfigOptionsSupplier.get().getCancunTime().isPresent()
+        || genesisConfigOptionsSupplier.get().getCancunEOFTime().isPresent()
         || genesisConfigOptionsSupplier.get().getPragueTime().isPresent()
         || genesisConfigOptionsSupplier.get().getPragueEOFTime().isPresent()) {
       if (kzgTrustedSetupFile != null) {

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

@@ -242,6 +242,13 @@ public interface GenesisConfigOptions {
    */
   OptionalLong getCancunTime();
 
+  /**
+   * Gets cancun EOF time.
+   *
+   * @return the cancun EOF time
+   */
+  OptionalLong getCancunEOFTime();
+
   /**
    * Gets prague time.
    *

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

@@ -288,6 +288,11 @@ public class JsonGenesisConfigOptions implements GenesisConfigOptions {
     return getOptionalLong("shanghaitime");
   }
 
+  @Override
+  public OptionalLong getCancunEOFTime() {
+    return getOptionalLong("cancuneoftime");
+  }
+
   @Override
   public OptionalLong getCancunTime() {
     return getOptionalLong("cancuntime");
@@ -461,6 +466,7 @@ public class JsonGenesisConfigOptions implements GenesisConfigOptions {
     getMergeNetSplitBlockNumber().ifPresent(l -> builder.put("mergeNetSplitBlock", l));
     getShanghaiTime().ifPresent(l -> builder.put("shanghaiTime", l));
     getCancunTime().ifPresent(l -> builder.put("cancunTime", l));
+    getCancunEOFTime().ifPresent(l -> builder.put("cancunEOFTime", l));
     getPragueTime().ifPresent(l -> builder.put("pragueTime", l));
     getPragueEOFTime().ifPresent(l -> builder.put("pragueEOFTime", l));
     getTerminalBlockNumber().ifPresent(l -> builder.put("terminalBlockNumber", l));
@@ -610,6 +616,7 @@ public class JsonGenesisConfigOptions implements GenesisConfigOptions {
         Stream.of(
             getShanghaiTime(),
             getCancunTime(),
+            getCancunEOFTime(),
             getPragueTime(),
             getPragueEOFTime(),
             getFutureEipsTime(),

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

@@ -48,6 +48,7 @@ public class StubGenesisConfigOptions implements GenesisConfigOptions, Cloneable
   private OptionalLong mergeNetSplitBlockNumber = OptionalLong.empty();
   private OptionalLong shanghaiTime = OptionalLong.empty();
   private OptionalLong cancunTime = OptionalLong.empty();
+  private OptionalLong cancunEOFTime = OptionalLong.empty();
   private OptionalLong pragueTime = OptionalLong.empty();
   private OptionalLong pragueEOFTime = OptionalLong.empty();
   private OptionalLong futureEipsTime = OptionalLong.empty();
@@ -82,7 +83,9 @@ public class StubGenesisConfigOptions implements GenesisConfigOptions, Cloneable
   private boolean fixedBaseFee = false;
 
   /** Default constructor. */
-  public StubGenesisConfigOptions() {}
+  public StubGenesisConfigOptions() {
+    // Explicit default constructor because of JavaDoc linting
+  }
 
   @Override
   public StubGenesisConfigOptions clone() {
@@ -238,6 +241,11 @@ public class StubGenesisConfigOptions implements GenesisConfigOptions, Cloneable
     return cancunTime;
   }
 
+  @Override
+  public OptionalLong getCancunEOFTime() {
+    return cancunEOFTime;
+  }
+
   @Override
   public OptionalLong getPragueTime() {
     return pragueTime;
@@ -630,6 +638,17 @@ public class StubGenesisConfigOptions implements GenesisConfigOptions, Cloneable
     return this;
   }
 
+  /**
+   * Cancun EOF time.
+   *
+   * @param timestamp the timestamp
+   * @return the stub genesis config options
+   */
+  public StubGenesisConfigOptions cancunEOFTime(final long timestamp) {
+    cancunEOFTime = OptionalLong.of(timestamp);
+    return this;
+  }
+
   /**
    * Prague time.
    *

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

@@ -193,6 +193,13 @@ class GenesisConfigOptionsTest {
     assertThat(config.getCancunTime()).hasValue(1670470142);
   }
 
+  @Test
+  void shouldGetCancunEOFTime() {
+    final GenesisConfigOptions config =
+        fromConfigOptions(singletonMap("cancunEOFTime", 1670470142));
+    assertThat(config.getCancunEOFTime()).hasValue(1670470142);
+  }
+
   @Test
   void shouldGetPragueTime() {
     final GenesisConfigOptions config = fromConfigOptions(singletonMap("pragueTime", 1670470143));
@@ -238,6 +245,7 @@ class GenesisConfigOptionsTest {
     assertThat(config.getMergeNetSplitBlockNumber()).isEmpty();
     assertThat(config.getShanghaiTime()).isEmpty();
     assertThat(config.getCancunTime()).isEmpty();
+    assertThat(config.getCancunEOFTime()).isEmpty();
     assertThat(config.getPragueTime()).isEmpty();
     assertThat(config.getPragueEOFTime()).isEmpty();
     assertThat(config.getFutureEipsTime()).isEmpty();

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/chain/GenesisState.java

@@ -304,7 +304,15 @@ public final class GenesisState {
     if (cancunTimestamp.isPresent()) {
       return genesis.getTimestamp() >= cancunTimestamp.getAsLong();
     }
-    return isPragueAtGenesis(genesis);
+    return isPragueAtGenesis(genesis) || isCancunEOFAtGenesis(genesis);
+  }
+
+  private static boolean isCancunEOFAtGenesis(final GenesisConfigFile genesis) {
+    final OptionalLong cancunEOFTimestamp = genesis.getConfigOptions().getCancunEOFTime();
+    if (cancunEOFTimestamp.isPresent()) {
+      return genesis.getTimestamp() >= cancunEOFTimestamp.getAsLong();
+    }
+    return isPragueEOFAtGenesis(genesis);
   }
 
   private static boolean isPragueAtGenesis(final GenesisConfigFile genesis) {

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

@@ -128,6 +128,11 @@ public class MainnetProtocolSpecFactory {
         chainId, isRevertReasonEnabled, genesisConfigOptions, evmConfiguration, miningParameters);
   }
 
+  public ProtocolSpecBuilder cancunEOFDefinition(final GenesisConfigOptions genesisConfigOptions) {
+    return MainnetProtocolSpecs.cancunEOFDefinition(
+        chainId, isRevertReasonEnabled, genesisConfigOptions, evmConfiguration, miningParameters);
+  }
+
   public ProtocolSpecBuilder pragueDefinition(final GenesisConfigOptions genesisConfigOptions) {
     return MainnetProtocolSpecs.pragueDefinition(
         chainId, isRevertReasonEnabled, genesisConfigOptions, evmConfiguration, miningParameters);

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

@@ -617,6 +617,19 @@ public abstract class MainnetProtocolSpecs {
         .name("Cancun");
   }
 
+  static ProtocolSpecBuilder cancunEOFDefinition(
+      final Optional<BigInteger> chainId,
+      final boolean enableRevertReason,
+      final GenesisConfigOptions genesisConfigOptions,
+      final EvmConfiguration evmConfiguration,
+      final MiningParameters miningParameters) {
+
+    ProtocolSpecBuilder protocolSpecBuilder =
+        cancunDefinition(
+            chainId, enableRevertReason, genesisConfigOptions, evmConfiguration, miningParameters);
+    return addEOF(chainId, evmConfiguration, protocolSpecBuilder).name("CancunEOF");
+  }
+
   static ProtocolSpecBuilder pragueDefinition(
       final Optional<BigInteger> chainId,
       final boolean enableRevertReason,
@@ -657,8 +670,17 @@ public abstract class MainnetProtocolSpecs {
       final EvmConfiguration evmConfiguration,
       final MiningParameters miningParameters) {
 
-    return pragueDefinition(
-            chainId, enableRevertReason, genesisConfigOptions, evmConfiguration, miningParameters)
+    ProtocolSpecBuilder protocolSpecBuilder =
+        pragueDefinition(
+            chainId, enableRevertReason, genesisConfigOptions, evmConfiguration, miningParameters);
+    return addEOF(chainId, evmConfiguration, protocolSpecBuilder).name("PragueEOF");
+  }
+
+  private static ProtocolSpecBuilder addEOF(
+      final Optional<BigInteger> chainId,
+      final EvmConfiguration evmConfiguration,
+      final ProtocolSpecBuilder protocolSpecBuilder) {
+    return protocolSpecBuilder
         // EIP-7692 EOF v1 Gas calculator
         .gasCalculator(PragueEOFGasCalculator::new)
         // EIP-7692 EOF v1 EVM and opcodes
@@ -674,8 +696,7 @@ public abstract class MainnetProtocolSpecs {
                     true,
                     List.of(MaxCodeSizeRule.from(evm), EOFValidationCodeRule.from(evm)),
                     1,
-                    SPURIOUS_DRAGON_FORCE_DELETE_WHEN_EMPTY_ADDRESSES))
-        .name("PragueEOF");
+                    SPURIOUS_DRAGON_FORCE_DELETE_WHEN_EMPTY_ADDRESSES));
   }
 
   static ProtocolSpecBuilder futureEipsDefinition(

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

@@ -246,6 +246,7 @@ public class ProtocolScheduleBuilder {
     // Begin timestamp forks
     lastForkBlock = validateForkOrder("Shanghai", config.getShanghaiTime(), lastForkBlock);
     lastForkBlock = validateForkOrder("Cancun", config.getCancunTime(), lastForkBlock);
+    lastForkBlock = validateForkOrder("CancunEOF", config.getCancunEOFTime(), lastForkBlock);
     lastForkBlock = validateForkOrder("Prague", config.getPragueTime(), lastForkBlock);
     lastForkBlock = validateForkOrder("PragueEOF", config.getPragueEOFTime(), lastForkBlock);
     lastForkBlock = validateForkOrder("FutureEips", config.getFutureEipsTime(), lastForkBlock);
@@ -326,6 +327,7 @@ public class ProtocolScheduleBuilder {
         // Timestamp Forks
         timestampMilestone(config.getShanghaiTime(), specFactory.shanghaiDefinition(config)),
         timestampMilestone(config.getCancunTime(), specFactory.cancunDefinition(config)),
+        timestampMilestone(config.getCancunEOFTime(), specFactory.cancunEOFDefinition(config)),
         timestampMilestone(config.getPragueTime(), specFactory.pragueDefinition(config)),
         timestampMilestone(config.getPragueEOFTime(), specFactory.pragueEOFDefinition(config)),
         timestampMilestone(config.getFutureEipsTime(), specFactory.futureEipsDefinition(config)),

ethereum/evmtool/src/main/java/org/hyperledger/besu/evmtool/MainnetGenesisFileModule.java

@@ -117,6 +117,9 @@ class MainnetGenesisFileModule extends GenesisFileModule {
         Map.entry(
             "cancun",
             createSchedule(new StubGenesisConfigOptions().cancunTime(0).baseFeePerGas(0x0a))),
+        Map.entry(
+            "cancuneof",
+            createSchedule(new StubGenesisConfigOptions().cancunEOFTime(0).baseFeePerGas(0x0a))),
         Map.entry(
             "prague",
             createSchedule(new StubGenesisConfigOptions().pragueTime(0).baseFeePerGas(0x0a))),

ethereum/evmtool/src/main/java/org/hyperledger/besu/evmtool/benchmarks/BenchmarkExecutor.java

@@ -113,12 +113,12 @@ public abstract class BenchmarkExecutor {
     }
     timer.stop();
 
-    if (executions < 1) {
-      return Double.NaN;
-    }
-
+    if (executions > 0) {
       final double elapsed = timer.elapsed(TimeUnit.NANOSECONDS) / 1.0e9D;
       return elapsed / executions;
+    } else {
+      return Double.NaN;
+    }
   }
 
   /**
@@ -143,7 +143,15 @@ public abstract class BenchmarkExecutor {
       case SHANGHAI -> new ShanghaiGasCalculator();
       case CANCUN -> new CancunGasCalculator();
       case PRAGUE -> new PragueGasCalculator();
-      case PRAGUE_EOF, OSAKA, AMSTERDAM, BOGOTA, POLIS, BANGKOK, FUTURE_EIPS, EXPERIMENTAL_EIPS ->
+      case CANCUN_EOF,
+              PRAGUE_EOF,
+              OSAKA,
+              AMSTERDAM,
+              BOGOTA,
+              POLIS,
+              BANGKOK,
+              FUTURE_EIPS,
+              EXPERIMENTAL_EIPS ->
           new PragueEOFGasCalculator();
     };
   }

ethereum/evmtool/src/test/resources/org/hyperledger/besu/evmtool/state-test/create-eof.json

@@ -45,7 +45,7 @@
       },
       "out": "0x",
       "post": {
-        "Prague": [
+        "CancunEOF": [
           {
             "hash": "0x1a8642a04dae90535f00f53d3a30284c4db051d508a653db89eb100ba9aecbf3",
             "logs": "0xf48b954a6a6f4ce6b28e4950b7027413f4bdc8f459df6003b6e8d7a1567c8940",
@@ -79,7 +79,7 @@
     {"pc":5,"section":0,"op":95,"gas":"0x793d71","gasCost":"0x2","memSize":0,"stack":[],"depth":1,"refund":0,"opName":"PUSH0"},
     {"pc":6,"section":0,"op":95,"gas":"0x793d6f","gasCost":"0x2","memSize":0,"stack":["0x0"],"depth":1,"refund":0,"opName":"PUSH0"},
     {"pc":7,"section":0,"op":238,"immediate":"0x00","gas":"0x793d6d","gasCost":"0x0","memSize":0,"stack":["0x0","0x0"],"depth":1,"refund":0,"opName":"RETURNCONTRACT"},
-    {"output":"","gasUsed":"0xe433","test":"create-eof","fork":"Prague","d":0,"g":0,"v":0,"postHash":"0x1a8642a04dae90535f00f53d3a30284c4db051d508a653db89eb100ba9aecbf3","postLogsHash":"0xf48b954a6a6f4ce6b28e4950b7027413f4bdc8f459df6003b6e8d7a1567c8940","pass":true},
+    {"output":"","gasUsed":"0xe433","test":"create-eof","fork":"CancunEOF","d":0,"g":0,"v":0,"postHash":"0x1a8642a04dae90535f00f53d3a30284c4db051d508a653db89eb100ba9aecbf3","postLogsHash":"0xf48b954a6a6f4ce6b28e4950b7027413f4bdc8f459df6003b6e8d7a1567c8940","pass":true},
     {"pc":0,"op":239,"gas":"0x794068","gasCost":"0x0","memSize":0,"stack":[],"depth":1,"refund":0,"opName":"INVALID","error":"Bad instruction"},
     {"output":"","gasUsed":"0x7a1200","test":"create-eof","fork":"Cancun","d":0,"g":0,"v":0,"postHash":"0xaa80d89bc89f58da8de41d3894bd1a241896ff91f7a5964edaefb39e8e3a4a98","postLogsHash":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347","pass":true,"error":"INVALID_OPERATION"}
   ]

ethereum/evmtool/src/test/resources/org/hyperledger/besu/evmtool/trace/create-eof.json

@@ -8,7 +8,7 @@
     "--coinbase",
     "4444588443C3A91288C5002483449ABA1054192B",
     "--fork",
-    "pragueeof"
+    "CancunEOF"
   ],
   "stdin": "",
   "stdout": [

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

@@ -84,6 +84,7 @@ public class ReferenceTestProtocolSchedules {
         "ShanghaiToCancunAtTime15k",
         createSchedule(genesisStub.clone().shanghaiTime(0).cancunTime(15000)));
     builder.put("Cancun", createSchedule(genesisStub.clone().cancunTime(0)));
+    builder.put("CancunEOF", createSchedule(genesisStub.clone().cancunEOFTime(0)));
     // also load KZG file for mainnet
     KZGPointEvalPrecompiledContract.init();
     builder.put(

evm/src/main/java/org/hyperledger/besu/evm/EvmSpecVersion.java

@@ -55,6 +55,8 @@ public enum EvmSpecVersion {
   SHANGHAI(0x6000, 0xc000, 0, true, "Shanghai", "Finalized"),
   /** Cancun evm spec version. */
   CANCUN(0x6000, 0xc000, 0, true, "Cancun", "Finalized"),
+  /** Cancun evm spec version. */
+  CANCUN_EOF(0x6000, 0xc000, 1, false, "CancunEOF", "For Testing"),
   /** Prague evm spec version. */
   PRAGUE(0x6000, 0xc000, 0, false, "Prague", "In Development"),
   /** PragueEOF evm spec version. */
@@ -201,6 +203,10 @@ public enum EvmSpecVersion {
     if ("prague".equalsIgnoreCase(name)) {
       return EvmSpecVersion.PRAGUE_EOF;
     }
+    // TODO remove once PragueEOF settles
+    if ("cancuneof".equalsIgnoreCase(name)) {
+      return EvmSpecVersion.CANCUN_EOF;
+    }
     for (var version : EvmSpecVersion.values()) {
       if (version.name().equalsIgnoreCase(name)) {
         return version;

evm/src/main/java/org/hyperledger/besu/evm/MainnetEVMs.java

@@ -897,6 +897,76 @@ public class MainnetEVMs {
     registry.put(new BlobBaseFeeOperation(gasCalculator));
   }
 
+  /**
+   * CancunEOF evm.
+   *
+   * @param evmConfiguration the evm configuration
+   * @return the evm
+   */
+  public static EVM cancunEOF(final EvmConfiguration evmConfiguration) {
+    return cancunEOF(DEV_NET_CHAIN_ID, evmConfiguration);
+  }
+
+  /**
+   * CancunEOF evm.
+   *
+   * @param chainId the chain id
+   * @param evmConfiguration the evm configuration
+   * @return the evm
+   */
+  public static EVM cancunEOF(final BigInteger chainId, final EvmConfiguration evmConfiguration) {
+    return cancunEOF(new CancunGasCalculator(), chainId, evmConfiguration);
+  }
+
+  /**
+   * CancunEOF evm.
+   *
+   * @param gasCalculator the gas calculator
+   * @param chainId the chain id
+   * @param evmConfiguration the evm configuration
+   * @return the evm
+   */
+  public static EVM cancunEOF(
+      final GasCalculator gasCalculator,
+      final BigInteger chainId,
+      final EvmConfiguration evmConfiguration) {
+    return new EVM(
+        cancunEOFOperations(gasCalculator, chainId),
+        gasCalculator,
+        evmConfiguration,
+        EvmSpecVersion.CANCUN_EOF);
+  }
+
+  /**
+   * Operation registry for PragueEOF's operations.
+   *
+   * @param gasCalculator the gas calculator
+   * @param chainId the chain id
+   * @return the operation registry
+   */
+  public static OperationRegistry cancunEOFOperations(
+      final GasCalculator gasCalculator, final BigInteger chainId) {
+    OperationRegistry operationRegistry = new OperationRegistry();
+    registerCancunEOFOperations(operationRegistry, gasCalculator, chainId);
+    return operationRegistry;
+  }
+
+  /**
+   * Register CancunEOF's operations.
+   *
+   * @param registry the registry
+   * @param gasCalculator the gas calculator
+   * @param chainID the chain id
+   */
+  public static void registerCancunEOFOperations(
+      final OperationRegistry registry,
+      final GasCalculator gasCalculator,
+      final BigInteger chainID) {
+    registerCancunOperations(registry, gasCalculator, chainID);
+
+    registerEOFOperations(registry, gasCalculator);
+  }
+
   /**
    * Prague evm.
    *
@@ -1034,6 +1104,11 @@ public class MainnetEVMs {
       final BigInteger chainID) {
     registerPragueOperations(registry, gasCalculator, chainID);
 
+    registerEOFOperations(registry, gasCalculator);
+  }
+
+  private static void registerEOFOperations(
+      final OperationRegistry registry, final GasCalculator gasCalculator) {
     // EIP-663 Unlimited Swap and Dup
     registry.put(new DupNOperation(gasCalculator));
     registry.put(new SwapNOperation(gasCalculator));

evm/src/main/java/org/hyperledger/besu/evm/fluent/EVMExecutor.java

@@ -160,6 +160,7 @@ public class EVMExecutor {
       case PARIS -> paris(chainId, evmConfiguration);
       case SHANGHAI -> shanghai(chainId, evmConfiguration);
       case CANCUN -> cancun(chainId, evmConfiguration);
+      case CANCUN_EOF -> cancunEOF(chainId, evmConfiguration);
       case PRAGUE -> prague(chainId, evmConfiguration);
       case PRAGUE_EOF -> pragueEOF(chainId, evmConfiguration);
       case OSAKA -> osaka(chainId, evmConfiguration);
@@ -493,6 +494,21 @@ public class EVMExecutor {
     return executor;
   }
 
+  /**
+   * Instantiate Cancun EOF evm executor.
+   *
+   * @param chainId the chain ID
+   * @param evmConfiguration the evm configuration
+   * @return the evm executor
+   */
+  public static EVMExecutor cancunEOF(
+      final BigInteger chainId, final EvmConfiguration evmConfiguration) {
+    final EVMExecutor executor = new EVMExecutor(MainnetEVMs.cancunEOF(chainId, evmConfiguration));
+    executor.precompileContractRegistry =
+        MainnetPrecompiledContracts.cancun(executor.evm.getGasCalculator());
+    return executor;
+  }
+
   /**
    * Instantiate Prague evm executor.
    *

evm/src/test/java/org/hyperledger/besu/evm/fluent/EVMExecutorTest.java

@@ -126,6 +126,10 @@ class EVMExecutorTest {
     EVMExecutor cancunEVM = EVMExecutor.cancun(EvmConfiguration.DEFAULT);
     assertThat(cancunEVM.getChainId()).contains(defaultChainId);
 
+    EVMExecutor cancunEOFEVM =
+        EVMExecutor.cancunEOF(defaultChainId.toBigInteger(), EvmConfiguration.DEFAULT);
+    assertThat(cancunEOFEVM.getChainId()).contains(defaultChainId);
+
     EVMExecutor pragueEVM =
         EVMExecutor.pragueEOF(defaultChainId.toBigInteger(), EvmConfiguration.DEFAULT);
     assertThat(pragueEVM.getChainId()).contains(defaultChainId);

evm/src/test/java/org/hyperledger/besu/evm/operations/EofCreateOperationTest.java

@@ -62,7 +62,7 @@ class EofCreateOperationTest {
 
   @Test
   void innerContractIsCorrect() {
-    final EVM evm = MainnetEVMs.pragueEOF(EvmConfiguration.DEFAULT);
+    final EVM evm = MainnetEVMs.cancunEOF(EvmConfiguration.DEFAULT);
     Code code = evm.getCodeUncached(INNER_CONTRACT);
     assertThat(code.isValid()).isTrue();
 
@@ -92,7 +92,7 @@ class EofCreateOperationTest {
   @Test
   void eofCreatePassesInCallData() {
     Bytes outerContract = EOF_CREATE_CONTRACT;
-    final EVM evm = MainnetEVMs.pragueEOF(EvmConfiguration.DEFAULT);
+    final EVM evm = MainnetEVMs.cancunEOF(EvmConfiguration.DEFAULT);
 
     Code code = evm.getCodeUncached(outerContract);
     if (!code.isValid()) {