Merge branch 'master' of github.com:PegaSysEng/pantheon into pipeline…

…-download-fetch-data

ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/fastsync/FastSyncDownloadPipelineFactory.java

@@ -94,7 +94,7 @@ public Pipeline<?> createDownloadPipelineForSyncTarget(final SyncTarget target)
                 syncConfig,
                 protocolSchedule,
                 ethContext,
-                new FastSyncCheckpointFilter(pivotBlockHeader),
+                Optional.of(pivotBlockHeader),
                 metricsSystem),
             this::shouldContinueDownloadingFromPeer,
             ethContext.getScheduler(),

services/pipeline/src/main/java/tech/pegasys/pantheon/services/pipeline/Pipe.java

@@ -53,6 +53,11 @@ public boolean isOpen() {
     return !closed.get() && !aborted.get();
   }
 
+  @Override
+  public boolean isAborted() {
+    return aborted.get();
+  }
+
   @Override
   public boolean hasRemainingCapacity() {
     return queue.remainingCapacity() > 0 && isOpen();