Sepolia: Fix for deposit contract log decoding (#8383)

* Sepolia: Fix for deposit contract log decoding

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>

* add tests

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

---------

Signed-off-by: Fabio Di Fabio <fabio.difabio@consensys.net>
Signed-off-by: Daniel Lehrner <daniel.lehrner@consensys.net>
Co-authored-by: Daniel Lehrner <daniel.lehrner@consensys.net>

Author: fab-10

ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/requests/DepositRequestProcessor.java

@@ -19,6 +19,8 @@
 import org.hyperledger.besu.ethereum.core.Request;
 import org.hyperledger.besu.ethereum.core.TransactionReceipt;
 import org.hyperledger.besu.ethereum.core.encoding.DepositLogDecoder;
+import org.hyperledger.besu.evm.log.Log;
+import org.hyperledger.besu.evm.log.LogTopic;
 
 import java.util.List;
 import java.util.Optional;
@@ -27,6 +29,10 @@
 import org.apache.tuweni.bytes.Bytes;
 
 public class DepositRequestProcessor implements RequestProcessor {
+  private static final LogTopic DEPOSIT_EVENT_TOPIC =
+      LogTopic.wrap(
+          Bytes.fromHexString(
+              "0x649bbc62d0e31342afea4e5cd82d4049e7e1ee912fc0889aa790803be39038c5"));
 
   private final Optional<Address> depositContractAddress;
 
@@ -49,8 +55,14 @@ Optional<Bytes> getDepositRequestData(final List<TransactionReceipt> transaction
         address ->
             transactionReceipts.stream()
                 .flatMap(receipt -> receipt.getLogsList().stream())
-                .filter(log -> address.equals(log.getLogger()))
+                .filter(log -> isDepositEvent(address, log))
                 .map(DepositLogDecoder::decodeFromLog)
                 .reduce(Bytes::concatenate));
   }
+
+  private boolean isDepositEvent(final Address depositContractAddress, final Log log) {
+    return depositContractAddress.equals(log.getLogger())
+        && !log.getTopics().isEmpty()
+        && log.getTopics().getFirst().equals(DEPOSIT_EVENT_TOPIC);
+  }
 }

ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/DepositLogDecoderTest.java

@@ -47,4 +47,25 @@ void shouldDecodeDepositFromLog() {
 
     assertThat(requestData).isEqualTo(expectedDepositRequestData);
   }
+
+  @Test
+  void shouldDecodeSepoliaDepositFromLog() {
+    final Address logger = Address.fromHexString("0x00000000219ab540356cbb839cbe05303d7705fa");
+    final List<LogTopic> topics =
+        List.of(
+            LogTopic.fromHexString(
+                "0x649bbc62d0e31342afea4e5cd82d4049e7e1ee912fc0889aa790803be39038c5"));
+    final Bytes data =
+        Bytes.fromHexString(
+            "0x00000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001400000000000000000000000000000000000000000000000000000000000000180000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000800000c3d5d53aa01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000");
+
+    final Log log = new Log(logger, data, topics);
+    final Bytes requestData = DepositLogDecoder.decodeFromLog(log);
+
+    final Bytes expectedDepositRequestData =
+        Bytes.fromHexString(
+            "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000c3d5d53aa010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030000000000000000");
+
+    assertThat(requestData).isEqualTo(expectedDepositRequestData);
+  }
 }