EIP-7742 based on pectra-devnet-4

acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/BlockUtils.java

@@ -58,6 +58,7 @@ public static BlockHeader createBlockHeader(
         null,
         null,
         null,
+        null,
         blockHeaderFunctions);
   }
 }

acceptance-tests/tests/src/test/java/org/hyperledger/besu/tests/acceptance/ethereum/CodeDelegationTransactionAcceptanceTest.java

@@ -58,7 +58,7 @@ public class CodeDelegationTransactionAcceptanceTest extends AcceptanceTestBase
   public static final Bytes TRANSACTION_SPONSOR_PRIVATE_KEY =
       Bytes.fromHexString("3a4ff6d22d7502ef2452368165422861c01a0f72f851793b372b87888dc3c453");
 
-  private final Account otherAccount = accounts.createAccount("otherAccount");
+  private final Account otherAccount = accounts.getPrimaryBenefactor();
 
   private BesuNode besuNode;
   private PragueAcceptanceTestHelper testHelper;
@@ -85,7 +85,6 @@ void tearDown() {
    */
   @Test
   public void shouldTransferAllEthOfAuthorizerToSponsor() throws IOException {
-
     // 7702 transaction
     final CodeDelegation authorization =
         org.hyperledger.besu.ethereum.core.CodeDelegation.builder()

acceptance-tests/tests/src/test/java/org/hyperledger/besu/tests/acceptance/ethereum/PragueAcceptanceTestHelper.java

@@ -20,6 +20,7 @@
 import org.hyperledger.besu.tests.acceptance.dsl.transaction.eth.EthTransactions;
 
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.Optional;
 
 import com.fasterxml.jackson.databind.JsonNode;
@@ -92,11 +93,21 @@ public void buildNewBlock() throws IOException {
       assertThat(newBlockHash).isNotEmpty();
     }
 
+    final String targetBlobCount = "0x3";
     final Call newPayloadRequest =
         createEngineCall(
             createNewPayloadRequest(
-                executionPayload.toString(), parentBeaconBlockRoot, executionRequests.toString()));
+                executionPayload.toString(),
+                parentBeaconBlockRoot,
+                executionRequests.toString(),
+                targetBlobCount));
     try (final Response newPayloadResponse = newPayloadRequest.execute()) {
+      final InputStream responseStr = newPayloadResponse.body().byteStream();
+      JsonNode jsonNode = mapper.readTree(responseStr);
+      if (jsonNode.has("error")) {
+        throw new AssertionError(
+            "Unexpected engine_newPayload error: " + jsonNode.get("error").get("message").asText());
+      }
       assertThat(newPayloadResponse.code()).isEqualTo(200);
     }
 
@@ -148,7 +159,9 @@ private String createForkChoiceRequest(final String parentBlockHash, final Long
               + "      \"prevRandao\": \"0x0000000000000000000000000000000000000000000000000000000000000000\","
               + "      \"suggestedFeeRecipient\": \"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b\","
               + "      \"withdrawals\": [],"
-              + "      \"parentBeaconBlockRoot\": \"0x0000000000000000000000000000000000000000000000000000000000000000\""
+              + "      \"parentBeaconBlockRoot\": \"0x0000000000000000000000000000000000000000000000000000000000000000\","
+              + "      \"targetBlobCount\": \"0x3\","
+              + "      \"maximumBlobCount\": \"0x6\""
               + "    }";
     }
 
@@ -171,7 +184,8 @@ private String createGetPayloadRequest(final String payloadId) {
   private String createNewPayloadRequest(
       final String executionPayload,
       final String parentBeaconBlockRoot,
-      final String executionRequests) {
+      final String executionRequests,
+      final String targetBlobCount) {
     return "{"
         + "  \"jsonrpc\": \"2.0\","
         + "  \"method\": \"engine_newPayloadV4\","
@@ -183,7 +197,11 @@ private String createNewPayloadRequest(
         + "\""
         + ","
         + executionRequests
-        + "],"
+        + ","
+        + "\""
+        + targetBlobCount
+        + "\""
+        + "]," // end params
         + "  \"id\": 67"
         + "}";
   }

acceptance-tests/tests/src/test/java/org/hyperledger/besu/tests/acceptance/jsonrpc/ExecutionEnginePragueAcceptanceTest.java

@@ -20,8 +20,11 @@
 
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.params.provider.Arguments;
 
+// TODO SLD
+@Disabled("TODO SLD - Enable when Prague spec is finalized")
 public class ExecutionEnginePragueAcceptanceTest extends AbstractJsonRpcTest {
   private static final String GENESIS_FILE = "/jsonrpc/engine/prague/genesis.json";
   private static final String TEST_CASE_PATH = "/jsonrpc/engine/prague/test-cases/";

acceptance-tests/tests/src/test/resources/dev/dev_prague.json

@@ -110,5 +110,6 @@
   "number":"0x0",
   "gasUsed":"0x0",
   "parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000",
-  "baseFeePerGas":"0x7"
+  "baseFeePerGas":"0x7",
+  "targetBlobCount":"0x1"
 }

acceptance-tests/tests/src/test/resources/jsonrpc/engine/cancun/test-cases/block-production/10_cancun_build_on_genesis.json

@@ -1,5 +1,95 @@
 {
-  "request" : {"jsonrpc":"2.0","id":5,"method":"engine_forkchoiceUpdatedV3","params":[{"headBlockHash":"0x33235e7b7a78302cdb54e5ddba66c7ae49b01c1f5498bb00cd0c8ed5206784bf","safeBlockHash":"0x0000000000000000000000000000000000000000000000000000000000000000","finalizedBlockHash":"0x0000000000000000000000000000000000000000000000000000000000000000"},{"timestamp":"0x1236","prevRandao":"0xc13da06dc53836ca0766057413b9683eb9a8773bbb8fcc5691e41c25b56dda1d","suggestedFeeRecipient":"0x0000000000000000000000000000000000000000","withdrawals":[{"index":"0xb","validatorIndex":"0x0","address":"0x0000000000000000000000000000000000000000","amount":"0x64"},{"index":"0xc","validatorIndex":"0x1","address":"0x0100000000000000000000000000000000000000","amount":"0x64"},{"index":"0xd","validatorIndex":"0x2","address":"0x0200000000000000000000000000000000000000","amount":"0x64"},{"index":"0xe","validatorIndex":"0x3","address":"0x0300000000000000000000000000000000000000","amount":"0x64"},{"index":"0xf","validatorIndex":"0x4","address":"0x0400000000000000000000000000000000000000","amount":"0x64"},{"index":"0x10","validatorIndex":"0x5","address":"0x0500000000000000000000000000000000000000","amount":"0x64"},{"index":"0x11","validatorIndex":"0x6","address":"0x0600000000000000000000000000000000000000","amount":"0x64"},{"index":"0x12","validatorIndex":"0x7","address":"0x0700000000000000000000000000000000000000","amount":"0x64"},{"index":"0x13","validatorIndex":"0x8","address":"0x0800000000000000000000000000000000000000","amount":"0x64"},{"index":"0x14","validatorIndex":"0x9","address":"0x0900000000000000000000000000000000000000","amount":"0x64"}],"parentBeaconBlockRoot":"0x062367f0b23e2d49ad5e770d9ad17b83c0c1c625c3f9a290cd9572b3fc6cfc9e"}]},
-  "response" : {"jsonrpc":"2.0","id":5,"result":{"payloadStatus":{"status":"VALID","latestValidHash":"0x33235e7b7a78302cdb54e5ddba66c7ae49b01c1f5498bb00cd0c8ed5206784bf","validationError":null},"payloadId":"0x29e12df730769ab6"}},
-  "statusCode" : 200
+  "request": {
+    "jsonrpc": "2.0",
+    "id": 5,
+    "method": "engine_forkchoiceUpdatedV3",
+    "params": [
+      {
+        "headBlockHash": "0x33235e7b7a78302cdb54e5ddba66c7ae49b01c1f5498bb00cd0c8ed5206784bf",
+        "safeBlockHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+        "finalizedBlockHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
+      },
+      {
+        "timestamp": "0x1236",
+        "prevRandao": "0xc13da06dc53836ca0766057413b9683eb9a8773bbb8fcc5691e41c25b56dda1d",
+        "suggestedFeeRecipient": "0x0000000000000000000000000000000000000000",
+        "withdrawals": [
+          {
+            "index": "0xb",
+            "validatorIndex": "0x0",
+            "address": "0x0000000000000000000000000000000000000000",
+            "amount": "0x64"
+          },
+          {
+            "index": "0xc",
+            "validatorIndex": "0x1",
+            "address": "0x0100000000000000000000000000000000000000",
+            "amount": "0x64"
+          },
+          {
+            "index": "0xd",
+            "validatorIndex": "0x2",
+            "address": "0x0200000000000000000000000000000000000000",
+            "amount": "0x64"
+          },
+          {
+            "index": "0xe",
+            "validatorIndex": "0x3",
+            "address": "0x0300000000000000000000000000000000000000",
+            "amount": "0x64"
+          },
+          {
+            "index": "0xf",
+            "validatorIndex": "0x4",
+            "address": "0x0400000000000000000000000000000000000000",
+            "amount": "0x64"
+          },
+          {
+            "index": "0x10",
+            "validatorIndex": "0x5",
+            "address": "0x0500000000000000000000000000000000000000",
+            "amount": "0x64"
+          },
+          {
+            "index": "0x11",
+            "validatorIndex": "0x6",
+            "address": "0x0600000000000000000000000000000000000000",
+            "amount": "0x64"
+          },
+          {
+            "index": "0x12",
+            "validatorIndex": "0x7",
+            "address": "0x0700000000000000000000000000000000000000",
+            "amount": "0x64"
+          },
+          {
+            "index": "0x13",
+            "validatorIndex": "0x8",
+            "address": "0x0800000000000000000000000000000000000000",
+            "amount": "0x64"
+          },
+          {
+            "index": "0x14",
+            "validatorIndex": "0x9",
+            "address": "0x0900000000000000000000000000000000000000",
+            "amount": "0x64"
+          }
+        ],
+        "parentBeaconBlockRoot": "0x062367f0b23e2d49ad5e770d9ad17b83c0c1c625c3f9a290cd9572b3fc6cfc9e"
+      }
+    ]
+  },
+  "response": {
+    "jsonrpc": "2.0",
+    "id": 5,
+    "result": {
+      "payloadStatus": {
+        "status": "VALID",
+        "latestValidHash": "0x33235e7b7a78302cdb54e5ddba66c7ae49b01c1f5498bb00cd0c8ed5206784bf",
+        "validationError": null
+      },
+      "payloadId": "0x744ab0889222f836"
+    }
+  },
+  "statusCode": 200
 }

acceptance-tests/tests/src/test/resources/jsonrpc/engine/cancun/test-cases/block-production/12_cancun_get_built_block.json

@@ -1,5 +1,5 @@
 {
-  "request" : {"jsonrpc":"2.0","id":2,"method":"engine_getPayloadV3","params":["0x29e12df730769ab6"]},
+  "request" : {"jsonrpc":"2.0","id":2,"method":"engine_getPayloadV3","params":["0x744ab0889222f836"]},
   "response" : {
     "jsonrpc" : "2.0",
     "id" : 2,

acceptance-tests/tests/src/test/resources/jsonrpc/engine/shanghai/test-cases/06_shanghai_prepare_payload.json

@@ -39,7 +39,7 @@
         "latestValidHash": "0xf4a1d287dd3bb7e877c57476912e6a6052bc4eed8ea70d032b55d77f26ee985f",
         "validationError": null
       },
-      "payloadId": "0x0065bd2db6663f59"
+      "payloadId": "0x48b9f464feba7610"
     }
   },
   "statusCode" : 200

acceptance-tests/tests/src/test/resources/jsonrpc/engine/shanghai/test-cases/07_shanghai_prepare_payload_replay_different_withdrawals.json

@@ -39,7 +39,7 @@
         "latestValidHash": "0xf4a1d287dd3bb7e877c57476912e6a6052bc4eed8ea70d032b55d77f26ee985f",
         "validationError": null
       },
-      "payloadId": "0x0065bd2db6663ed9"
+      "payloadId": "0x48b9f5e4feba7610"
     }
   },
   "statusCode" : 200

acceptance-tests/tests/src/test/resources/jsonrpc/engine/shanghai/test-cases/08_shanghai_getPayloadV2.json

@@ -3,7 +3,7 @@
     "jsonrpc": "2.0",
     "method": "engine_getPayloadV2",
     "params": [
-      "0x0065bd2db6663ed9"
+      "0x48b9f5e4feba7610"
     ],
     "id": 67
   },

besu/src/test/java/org/hyperledger/besu/controller/AbstractBftBesuControllerBuilderTest.java

@@ -193,6 +193,7 @@ public void miningParametersBlockPeriodSecondsIsUpdatedOnTransition() {
             null,
             null,
             null,
+            null,
             getBlockHeaderFunctions());
     final Block block1 = new Block(header1, BlockBody.empty());
 

besu/src/test/java/org/hyperledger/besu/controller/CliqueBesuControllerBuilderTest.java

@@ -222,6 +222,7 @@ public void miningParametersBlockPeriodSecondsIsUpdatedOnTransition() {
             null,
             null,
             null,
+            null,
             new CliqueBlockHeaderFunctions());
     final Block block1 = new Block(header1, BlockBody.empty());
 

besu/src/test/java/org/hyperledger/besu/services/BesuEventsImplTest.java

@@ -219,7 +219,7 @@ private void setSyncTarget() {
         mock(EthPeer.class),
         new org.hyperledger.besu.ethereum.core.BlockHeader(
             null, null, null, null, null, null, null, null, 1, 1, 1, 1, null, null, null, 1, null,
-            null, null, null, null, null));
+            null, null, null, null, null, null));
   }
 
   private void clearSyncTarget() {

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

@@ -265,6 +265,17 @@ public String getParentBeaconBlockRoot() {
         "0x0000000000000000000000000000000000000000000000000000000000000000");
   }
 
+  /**
+   * Gets target blob count.
+   *
+   * @return the target blob count
+   */
+  public Optional<String> getTargetBlobCount() {
+    // TODO SLD EIP-7742 not sure if we should use a default value here or enforce any
+    // "pragueAtGenesis" genesis file (used in devnets) to have this value
+    return JsonUtil.getValueAsString(genesisRoot, "targetblobcount");
+  }
+
   /**
    * Gets coinbase.
    *

consensus/merge/src/main/java/org/hyperledger/besu/consensus/merge/blockcreation/MergeBlockCreator.java

@@ -32,6 +32,7 @@
 import java.util.Optional;
 
 import org.apache.tuweni.bytes.Bytes32;
+import org.apache.tuweni.units.bigints.UInt64;
 
 /** The Merge block creator. */
 class MergeBlockCreator extends AbstractBlockCreator {
@@ -80,6 +81,7 @@ public BlockCreationResult createBlock(
       final long timestamp,
       final Optional<List<Withdrawal>> withdrawals,
       final Optional<Bytes32> parentBeaconBlockRoot,
+      final Optional<UInt64> targetBlobCount,
       final BlockHeader parentHeader) {
 
     return createBlock(
@@ -88,6 +90,7 @@ public BlockCreationResult createBlock(
         withdrawals,
         Optional.of(random),
         parentBeaconBlockRoot,
+        targetBlobCount,
         timestamp,
         false,
         parentHeader);

consensus/merge/src/main/java/org/hyperledger/besu/consensus/merge/blockcreation/MergeCoordinator.java

@@ -62,6 +62,7 @@
 
 import com.google.common.annotations.VisibleForTesting;
 import org.apache.tuweni.bytes.Bytes32;
+import org.apache.tuweni.units.bigints.UInt64;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -257,7 +258,8 @@ public PayloadIdentifier preparePayload(
       final Bytes32 prevRandao,
       final Address feeRecipient,
       final Optional<List<Withdrawal>> withdrawals,
-      final Optional<Bytes32> parentBeaconBlockRoot) {
+      final Optional<Bytes32> parentBeaconBlockRoot,
+      final Optional<UInt64> targetBlobCount) {
 
     // we assume that preparePayload is always called sequentially, since the RPC Engine calls
     // are sequential, if this assumption changes then more synchronization should be added to
@@ -270,7 +272,8 @@ public PayloadIdentifier preparePayload(
             prevRandao,
             feeRecipient,
             withdrawals,
-            parentBeaconBlockRoot);
+            parentBeaconBlockRoot,
+            targetBlobCount);
 
     if (blockCreationTasks.containsKey(payloadIdentifier)) {
       LOG.debug(
@@ -295,6 +298,7 @@ public PayloadIdentifier preparePayload(
                 timestamp,
                 withdrawals,
                 parentBeaconBlockRoot,
+                targetBlobCount,
                 parentHeader)
             .getBlock();
 
@@ -326,6 +330,7 @@ public PayloadIdentifier preparePayload(
         mergeBlockCreator,
         withdrawals,
         parentBeaconBlockRoot,
+        targetBlobCount,
         parentHeader);
 
     return payloadIdentifier;
@@ -368,6 +373,7 @@ private void tryToBuildBetterBlock(
       final MergeBlockCreator mergeBlockCreator,
       final Optional<List<Withdrawal>> withdrawals,
       final Optional<Bytes32> parentBeaconBlockRoot,
+      final Optional<UInt64> targetBlobCount,
       final BlockHeader parentHeader) {
 
     final Supplier<BlockCreationResult> blockCreator =
@@ -378,6 +384,7 @@ private void tryToBuildBetterBlock(
                 timestamp,
                 withdrawals,
                 parentBeaconBlockRoot,
+                targetBlobCount,
                 parentHeader);
 
     LOG.debug(

consensus/merge/src/main/java/org/hyperledger/besu/consensus/merge/blockcreation/MergeMiningCoordinator.java

@@ -31,6 +31,7 @@
 import java.util.concurrent.CompletableFuture;
 
 import org.apache.tuweni.bytes.Bytes32;
+import org.apache.tuweni.units.bigints.UInt64;
 
 /** The interface Merge mining coordinator. */
 public interface MergeMiningCoordinator extends MiningCoordinator {
@@ -43,6 +44,7 @@ public interface MergeMiningCoordinator extends MiningCoordinator {
    * @param feeRecipient the fee recipient
    * @param withdrawals the optional list of withdrawals
    * @param parentBeaconBlockRoot optional root hash of the parent beacon block
+   * @param targetBlobCount optional target blob count
    * @return the payload identifier
    */
   PayloadIdentifier preparePayload(
@@ -51,7 +53,8 @@ PayloadIdentifier preparePayload(
       final Bytes32 prevRandao,
       final Address feeRecipient,
       final Optional<List<Withdrawal>> withdrawals,
-      final Optional<Bytes32> parentBeaconBlockRoot);
+      final Optional<Bytes32> parentBeaconBlockRoot,
+      final Optional<UInt64> targetBlobCount);
 
   @Override
   default boolean isCompatibleWithEngineApi() {