feat: add fixed basefee options

besu/src/main/java/org/hyperledger/besu/controller/CliqueBesuControllerBuilder.java

@@ -130,6 +130,7 @@ protected ProtocolSchedule createProtocolSchedule() {
         privacyParameters,
         isRevertReasonEnabled,
         evmConfiguration,
+        miningParameters,
         badBlockManager);
   }
 

besu/src/main/java/org/hyperledger/besu/controller/IbftBesuControllerBuilder.java

@@ -286,6 +286,7 @@ protected ProtocolSchedule createProtocolSchedule() {
         isRevertReasonEnabled,
         bftExtraDataCodec().get(),
         evmConfiguration,
+        miningParameters,
         badBlockManager);
   }
 

besu/src/main/java/org/hyperledger/besu/controller/MainnetBesuControllerBuilder.java

@@ -95,6 +95,7 @@ protected ProtocolSchedule createProtocolSchedule() {
         privacyParameters,
         isRevertReasonEnabled,
         evmConfiguration,
+        miningParameters,
         badBlockManager);
   }
 

besu/src/main/java/org/hyperledger/besu/controller/MergeBesuControllerBuilder.java

@@ -173,7 +173,11 @@ protected MiningCoordinator createTransitionMiningCoordinator(
   @Override
   protected ProtocolSchedule createProtocolSchedule() {
     return MergeProtocolSchedule.create(
-        configOptionsSupplier.get(), privacyParameters, isRevertReasonEnabled, badBlockManager);
+        configOptionsSupplier.get(),
+        privacyParameters,
+        isRevertReasonEnabled,
+        miningParameters,
+        badBlockManager);
   }
 
   @Override

besu/src/main/java/org/hyperledger/besu/controller/QbftBesuControllerBuilder.java

@@ -326,6 +326,7 @@ protected ProtocolSchedule createProtocolSchedule() {
         isRevertReasonEnabled,
         bftExtraDataCodec().get(),
         evmConfiguration,
+        miningParameters,
         badBlockManager);
   }
 

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

@@ -33,6 +33,7 @@
 import org.hyperledger.besu.ethereum.chain.GenesisState;
 import org.hyperledger.besu.ethereum.core.BlockHeader;
 import org.hyperledger.besu.ethereum.core.MilestoneStreamingProtocolSchedule;
+import org.hyperledger.besu.ethereum.core.MiningParameters;
 import org.hyperledger.besu.ethereum.forkid.ForkId;
 import org.hyperledger.besu.ethereum.forkid.ForkIdManager;
 import org.hyperledger.besu.ethereum.mainnet.DefaultProtocolSchedule;
@@ -188,11 +189,13 @@ private static MilestoneStreamingTransitionProtocolSchedule createSchedule(
     MilestoneStreamingProtocolSchedule preMergeProtocolSchedule =
         new MilestoneStreamingProtocolSchedule(
             (DefaultProtocolSchedule)
-                MainnetProtocolSchedule.fromConfig(configOptions, new BadBlockManager()));
+                MainnetProtocolSchedule.fromConfig(
+                    configOptions, MiningParameters.MINING_DISABLED, new BadBlockManager()));
     MilestoneStreamingProtocolSchedule postMergeProtocolSchedule =
         new MilestoneStreamingProtocolSchedule(
             (DefaultProtocolSchedule)
-                MergeProtocolSchedule.create(configOptions, false, new BadBlockManager()));
+                MergeProtocolSchedule.create(
+                    configOptions, false, MiningParameters.MINING_DISABLED, new BadBlockManager()));
     final MilestoneStreamingTransitionProtocolSchedule schedule =
         new MilestoneStreamingTransitionProtocolSchedule(
             preMergeProtocolSchedule, postMergeProtocolSchedule);

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

@@ -504,6 +504,13 @@ default boolean isConsensusMigration() {
    */
   boolean isZeroBaseFee();
 
+  /**
+   * Force a Base Fee as Gas Price network to used with London/EIP-1559.
+   *
+   * @return true, if you want the next block to use the base fee as gas price.
+   */
+  boolean isFixedBaseFee();
+
   /**
    * The deposit contract address that should be in the logger field in Receipt of Deposit
    * transaction

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

@@ -47,6 +47,7 @@ public class JsonGenesisConfigOptions implements GenesisConfigOptions {
   private static final String DISCOVERY_CONFIG_KEY = "discovery";
   private static final String CHECKPOINT_CONFIG_KEY = "checkpoint";
   private static final String ZERO_BASE_FEE_KEY = "zerobasefee";
+  private static final String FIXED_BASE_FEE_KEY = "fixedbasefee";
   private static final String DEPOSIT_CONTRACT_ADDRESS_KEY = "depositcontractaddress";
 
   private final ObjectNode configRoot;
@@ -421,6 +422,11 @@ public boolean isZeroBaseFee() {
     return getOptionalBoolean(ZERO_BASE_FEE_KEY).orElse(false);
   }
 
+  @Override
+  public boolean isFixedBaseFee() {
+    return getOptionalBoolean(FIXED_BASE_FEE_KEY).orElse(false);
+  }
+
   @Override
   public Optional<Address> getDepositContractAddress() {
     Optional<String> inputAddress = JsonUtil.getString(configRoot, DEPOSIT_CONTRACT_ADDRESS_KEY);
@@ -492,6 +498,10 @@ public Map<String, Object> asMap() {
       builder.put("zeroBaseFee", true);
     }
 
+    if (isFixedBaseFee()) {
+      builder.put("fixedBaseFee", true);
+    }
+
     return builder.build();
   }
 

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

@@ -78,6 +78,7 @@ public class StubGenesisConfigOptions implements GenesisConfigOptions, Cloneable
   private TransitionsConfigOptions transitions = TransitionsConfigOptions.DEFAULT;
   private static final DiscoveryOptions DISCOVERY_OPTIONS = DiscoveryOptions.DEFAULT;
   private boolean zeroBaseFee = false;
+  private boolean fixedBaseFee = false;
 
   @Override
   public StubGenesisConfigOptions clone() {
@@ -424,6 +425,11 @@ public boolean isZeroBaseFee() {
     return zeroBaseFee;
   }
 
+  @Override
+  public boolean isFixedBaseFee() {
+    return fixedBaseFee;
+  }
+
   @Override
   public List<Long> getForkBlockNumbers() {
     return Collections.emptyList();
@@ -704,6 +710,17 @@ public StubGenesisConfigOptions zeroBaseFee(final boolean zeroBaseFee) {
     return this;
   }
 
+  /**
+   * Fixed base fee per gas stub genesis config options.
+   *
+   * @param fixedBaseFee the zero base fee override
+   * @return the stub genesis config options
+   */
+  public StubGenesisConfigOptions fixedBaseFee(final boolean fixedBaseFee) {
+    this.fixedBaseFee = fixedBaseFee;
+    return this;
+  }
+
   /**
    * Classic fork block stub genesis config options.
    *

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

@@ -295,6 +295,27 @@ void asMapIncludesZeroBaseFee() {
     assertThat(config.asMap()).containsOnlyKeys("zeroBaseFee").containsValue(true);
   }
 
+  @Test
+  void isFixedBaseFeeShouldDefaultToFalse() {
+    final GenesisConfigOptions config = GenesisConfigFile.fromConfig("{}").getConfigOptions();
+
+    assertThat(config.isFixedBaseFee()).isFalse();
+  }
+
+  @Test
+  void isFixedBaseFeeParsedCorrectly() {
+    final GenesisConfigOptions config = fromConfigOptions(Map.of("fixedbasefee", true));
+
+    assertThat(config.isFixedBaseFee()).isTrue();
+  }
+
+  @Test
+  void asMapIncludesFixedBaseFee() {
+    final GenesisConfigOptions config = fromConfigOptions(Map.of("fixedbasefee", true));
+
+    assertThat(config.asMap()).containsOnlyKeys("fixedBaseFee").containsValue(true);
+  }
+
   @Test
   void shouldGetDepositContractAddress() {
     final GenesisConfigOptions config =

consensus/clique/src/main/java/org/hyperledger/besu/consensus/clique/CliqueProtocolSchedule.java

@@ -22,6 +22,7 @@
 import org.hyperledger.besu.datatypes.Address;
 import org.hyperledger.besu.datatypes.Wei;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
+import org.hyperledger.besu.ethereum.core.MiningParameters;
 import org.hyperledger.besu.ethereum.core.PrivacyParameters;
 import org.hyperledger.besu.ethereum.core.Util;
 import org.hyperledger.besu.ethereum.mainnet.BlockHeaderValidator;
@@ -58,6 +59,7 @@ public class CliqueProtocolSchedule {
    * @param privacyParameters the privacy parameters
    * @param isRevertReasonEnabled the is revert reason enabled
    * @param evmConfiguration the evm configuration
+   * @param miningParameters the mining parameters
    * @param badBlockManager the cache to use to keep invalid blocks
    * @return the protocol schedule
    */
@@ -68,6 +70,7 @@ public static ProtocolSchedule create(
       final PrivacyParameters privacyParameters,
       final boolean isRevertReasonEnabled,
       final EvmConfiguration evmConfiguration,
+      final MiningParameters miningParameters,
       final BadBlockManager badBlockManager) {
 
     final CliqueConfigOptions cliqueConfig = config.getCliqueConfigOptions();
@@ -103,6 +106,7 @@ public static ProtocolSchedule create(
             privacyParameters,
             isRevertReasonEnabled,
             evmConfiguration,
+            miningParameters,
             badBlockManager)
         .createProtocolSchedule();
   }
@@ -115,6 +119,7 @@ public static ProtocolSchedule create(
    * @param nodeKey the node key
    * @param isRevertReasonEnabled the is revert reason enabled
    * @param evmConfiguration the evm configuration
+   * @param miningParameters the mining parameters
    * @param badBlockManager the cache to use to keep invalid blocks
    * @return the protocol schedule
    */
@@ -125,6 +130,7 @@ public static ProtocolSchedule create(
       final NodeKey nodeKey,
       final boolean isRevertReasonEnabled,
       final EvmConfiguration evmConfiguration,
+      final MiningParameters miningParameters,
       final BadBlockManager badBlockManager) {
     return create(
         config,
@@ -133,6 +139,7 @@ public static ProtocolSchedule create(
         PrivacyParameters.DEFAULT,
         isRevertReasonEnabled,
         evmConfiguration,
+        miningParameters,
         badBlockManager);
   }
 

consensus/clique/src/test/java/org/hyperledger/besu/consensus/clique/CliqueProtocolScheduleTest.java

@@ -32,6 +32,7 @@
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
 import org.hyperledger.besu.ethereum.core.BlockHeader;
 import org.hyperledger.besu.ethereum.core.BlockHeaderTestFixture;
+import org.hyperledger.besu.ethereum.core.MiningParameters;
 import org.hyperledger.besu.ethereum.mainnet.HeaderValidationMode;
 import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;
 import org.hyperledger.besu.ethereum.mainnet.ProtocolSpec;
@@ -66,6 +67,7 @@ public void protocolSpecsAreCreatedAtBlockDefinedInJson() {
             NODE_KEY,
             false,
             EvmConfiguration.DEFAULT,
+            MiningParameters.MINING_DISABLED,
             new BadBlockManager());
 
     final ProtocolSpec homesteadSpec = protocolSchedule.getByBlockHeader(blockHeader(1));
@@ -89,6 +91,7 @@ public void parametersAlignWithMainnetWithAdjustments() {
                 NODE_KEY,
                 false,
                 EvmConfiguration.DEFAULT,
+                MiningParameters.MINING_DISABLED,
                 new BadBlockManager())
             .getByBlockHeader(blockHeader(0));
 
@@ -112,6 +115,7 @@ public void zeroEpochLengthThrowsException() {
                     NODE_KEY,
                     false,
                     EvmConfiguration.DEFAULT,
+                    MiningParameters.MINING_DISABLED,
                     new BadBlockManager()))
         .isInstanceOf(IllegalArgumentException.class)
         .hasMessage("Epoch length in config must be greater than zero");
@@ -131,6 +135,7 @@ public void negativeEpochLengthThrowsException() {
                     NODE_KEY,
                     false,
                     EvmConfiguration.DEFAULT,
+                    MiningParameters.MINING_DISABLED,
                     new BadBlockManager()))
         .isInstanceOf(IllegalArgumentException.class)
         .hasMessage("Epoch length in config must be greater than zero");
@@ -154,6 +159,7 @@ public void shouldValidateBaseFeeMarketTransition() {
             NODE_KEY,
             false,
             EvmConfiguration.DEFAULT,
+            MiningParameters.MINING_DISABLED,
             new BadBlockManager());
 
     BlockHeader emptyFrontierParent =

consensus/clique/src/test/java/org/hyperledger/besu/consensus/clique/blockcreation/CliqueBlockCreatorTest.java

@@ -106,6 +106,7 @@ public void setup() {
             proposerNodeKey,
             false,
             EvmConfiguration.DEFAULT,
+            MiningParameters.MINING_DISABLED,
             new BadBlockManager());
 
     final Address otherAddress = Util.publicKeyToAddress(otherKeyPair.getPublicKey());

consensus/clique/src/test/java/org/hyperledger/besu/consensus/clique/blockcreation/CliqueMinerExecutorTest.java

@@ -104,6 +104,7 @@ public void setup() {
             proposerNodeKey,
             false,
             EvmConfiguration.DEFAULT,
+            MiningParameters.MINING_DISABLED,
             new BadBlockManager());
     cliqueEthContext = mock(EthContext.class, RETURNS_DEEP_STUBS);
     blockHeaderBuilder = new BlockHeaderTestFixture();

consensus/common/src/main/java/org/hyperledger/besu/consensus/common/bft/BaseBftProtocolScheduleBuilder.java

@@ -19,6 +19,7 @@
 import org.hyperledger.besu.consensus.common.ForksSchedule;
 import org.hyperledger.besu.datatypes.Wei;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
+import org.hyperledger.besu.ethereum.core.MiningParameters;
 import org.hyperledger.besu.ethereum.core.PrivacyParameters;
 import org.hyperledger.besu.ethereum.mainnet.BlockHeaderValidator;
 import org.hyperledger.besu.ethereum.mainnet.DefaultProtocolSchedule;
@@ -52,6 +53,7 @@ public abstract class BaseBftProtocolScheduleBuilder {
    * @param isRevertReasonEnabled the is revert reason enabled
    * @param bftExtraDataCodec the bft extra data codec
    * @param evmConfiguration the evm configuration
+   * @param miningParameters the mining parameters
    * @param badBlockManager the cache to use to keep invalid blocks
    * @return the protocol schedule
    */
@@ -62,6 +64,7 @@ public BftProtocolSchedule createProtocolSchedule(
       final boolean isRevertReasonEnabled,
       final BftExtraDataCodec bftExtraDataCodec,
       final EvmConfiguration evmConfiguration,
+      final MiningParameters miningParameters,
       final BadBlockManager badBlockManager) {
     final Map<Long, Function<ProtocolSpecBuilder, ProtocolSpecBuilder>> specMap = new HashMap<>();
 
@@ -83,6 +86,7 @@ public BftProtocolSchedule createProtocolSchedule(
                 privacyParameters,
                 isRevertReasonEnabled,
                 evmConfiguration,
+                miningParameters,
                 badBlockManager)
             .createProtocolSchedule();
     return new BftProtocolSchedule((DefaultProtocolSchedule) protocolSchedule);

consensus/common/src/test/java/org/hyperledger/besu/consensus/common/CombinedProtocolScheduleFactoryTest.java

@@ -21,6 +21,7 @@
 import org.hyperledger.besu.consensus.common.bft.BftProtocolSchedule;
 import org.hyperledger.besu.ethereum.chain.BadBlockManager;
 import org.hyperledger.besu.ethereum.core.MilestoneStreamingProtocolSchedule;
+import org.hyperledger.besu.ethereum.core.MiningParameters;
 import org.hyperledger.besu.ethereum.core.PrivacyParameters;
 import org.hyperledger.besu.ethereum.mainnet.DefaultProtocolSchedule;
 import org.hyperledger.besu.ethereum.mainnet.ProtocolSchedule;
@@ -175,6 +176,7 @@ private BftProtocolSchedule createProtocolSchedule(
             new PrivacyParameters(),
             false,
             EvmConfiguration.DEFAULT,
+            MiningParameters.MINING_DISABLED,
             new BadBlockManager());
 
     return new BftProtocolSchedule(

consensus/common/src/test/java/org/hyperledger/besu/consensus/common/bft/BaseBftProtocolScheduleBuilderTest.java

@@ -31,6 +31,7 @@
 import org.hyperledger.besu.ethereum.core.BlockHeader;
 import org.hyperledger.besu.ethereum.core.BlockHeaderTestFixture;
 import org.hyperledger.besu.ethereum.core.MilestoneStreamingProtocolSchedule;
+import org.hyperledger.besu.ethereum.core.MiningParameters;
 import org.hyperledger.besu.ethereum.core.PrivacyParameters;
 import org.hyperledger.besu.ethereum.mainnet.BlockHeaderValidator;
 import org.hyperledger.besu.ethereum.mainnet.DefaultProtocolSchedule;
@@ -243,6 +244,7 @@ protected BlockHeaderValidator.Builder createBlockHeaderRuleset(
         false,
         bftExtraDataCodec,
         EvmConfiguration.DEFAULT,
+        MiningParameters.MINING_DISABLED,
         new BadBlockManager());
   }
 

consensus/ibft/src/integration-test/java/org/hyperledger/besu/consensus/ibft/support/TestContextBuilder.java

@@ -332,6 +332,7 @@ private static ControllerAndState createControllerAndFinalState(
             forksSchedule,
             IBFT_EXTRA_DATA_ENCODER,
             EvmConfiguration.DEFAULT,
+            MiningParameters.MINING_DISABLED,
             new BadBlockManager());
 
     /////////////////////////////////////////////////////////////////////////////////////