Add condition to check that node is in sync in acceptance test

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

acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/condition/eth/EthConditions.java

@@ -77,6 +77,10 @@ public Condition miningStatus(final boolean isMining) {
     return new MiningStatusCondition(transactions.mining(), isMining);
   }
 
+  public Condition syncingStatus(final boolean isSyncing) {
+    return new SyncingStatusCondition(transactions.syncing(), isSyncing);
+  }
+
   public Condition expectNewPendingTransactions(
       final BigInteger filterId, final List<String> transactionHashes) {
     return new NewPendingTransactionFilterChangesCondition(

acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/condition/eth/SyncingStatusCondition.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright Hyperledger Besu Contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+package org.hyperledger.besu.tests.acceptance.dsl.condition.eth;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.hyperledger.besu.tests.acceptance.dsl.WaitUtils;
+import org.hyperledger.besu.tests.acceptance.dsl.condition.Condition;
+import org.hyperledger.besu.tests.acceptance.dsl.node.Node;
+import org.hyperledger.besu.tests.acceptance.dsl.transaction.eth.EthSyncingTransaction;
+
+public class SyncingStatusCondition implements Condition {
+
+  private final EthSyncingTransaction transaction;
+  private final boolean syncingMiningStatus;
+
+  public SyncingStatusCondition(
+      final EthSyncingTransaction transaction, final boolean syncingStatus) {
+    this.transaction = transaction;
+    this.syncingMiningStatus = syncingStatus;
+  }
+
+  @Override
+  public void verify(final Node node) {
+    WaitUtils.waitFor(
+        10, () -> assertThat(node.execute(transaction)).isEqualTo(syncingMiningStatus));
+  }
+}

acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/transaction/eth/EthSyncingTransaction.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright Hyperledger Besu Contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+package org.hyperledger.besu.tests.acceptance.dsl.transaction.eth;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.hyperledger.besu.tests.acceptance.dsl.transaction.NodeRequests;
+import org.hyperledger.besu.tests.acceptance.dsl.transaction.Transaction;
+
+import java.io.IOException;
+
+import org.web3j.protocol.core.methods.response.EthSyncing;
+
+public class EthSyncingTransaction implements Transaction<Boolean> {
+
+  EthSyncingTransaction() {}
+
+  @Override
+  public Boolean execute(final NodeRequests node) {
+    try {
+      EthSyncing response = node.eth().ethSyncing().send();
+      assertThat(response).isNotNull();
+      return response.isSyncing();
+    } catch (final IOException e) {
+      throw new RuntimeException(e);
+    }
+  }
+}

acceptance-tests/dsl/src/main/java/org/hyperledger/besu/tests/acceptance/dsl/transaction/eth/EthTransactions.java

@@ -73,6 +73,10 @@ public EthMiningTransaction mining() {
     return new EthMiningTransaction();
   }
 
+  public EthSyncingTransaction syncing() {
+    return new EthSyncingTransaction();
+  }
+
   public EthNewPendingTransactionFilterTransaction newPendingTransactionsFilter() {
     return new EthNewPendingTransactionFilterTransaction();
   }