Interface change! addWrites now takes a single write version

SkipList.cpp

@@ -286,7 +286,7 @@ public:
   void swap(SkipList &other) { std::swap(header, other.header); }
 
   void addConflictRanges(const Finger *fingers, int rangeCount,
-                         Version *version) {
+                         Version version) {
     for (int r = rangeCount - 1; r >= 0; r--) {
       const Finger &startF = fingers[r * 2];
       const Finger &endF = fingers[r * 2 + 1];
@@ -295,7 +295,7 @@ public:
         insert(endF, endF.finger[0]->getMaxVersion(0));
 
       remove(startF, endF);
-      insert(startF, version[r]);
+      insert(startF, version);
     }
   }
 
@@ -588,7 +588,8 @@ struct __attribute__((visibility("hidden"))) ConflictSet::Impl {
     }
   }
 
-  void addWrites(const ConflictSet::WriteRange *writes, int count) {
+  void addWrites(const ConflictSet::WriteRange *writes, int count,
+                 int64_t writeVersion) {
     Arena arena;
     const int stringCount = count * 2;
 
@@ -606,11 +607,10 @@ struct __attribute__((visibility("hidden"))) ConflictSet::Impl {
         values[i * 2 + 1] = w.end.len > 0
                                 ? StringRef{w.end.p, size_t(w.end.len)}
                                 : keyAfter(arena, values[i * 2]);
-        writeVersions[i] = w.writeVersion;
         keyUpdates += 2;
       }
       skipList.find(values, fingers, temp, ss);
-      skipList.addConflictRanges(fingers, ss / 2, writeVersions);
+      skipList.addConflictRanges(fingers, ss / 2, writeVersion);
       ss = stripeSize;
     }
   }
@@ -640,8 +640,9 @@ void ConflictSet::check(const ReadRange *reads, Result *results,
   return impl->check(reads, results, count);
 }
 
-void ConflictSet::addWrites(const WriteRange *writes, int count) {
-  return impl->addWrites(writes, count);
+void ConflictSet::addWrites(const WriteRange *writes, int count,
+                            int64_t writeVersion) {
+  return impl->addWrites(writes, count, writeVersion);
 }
 
 void ConflictSet::setOldestVersion(int64_t oldestVersion) {
@@ -678,9 +679,9 @@ ConflictSet_check(void *cs, const ConflictSet_ReadRange *reads,
   ((ConflictSet::Impl *)cs)->check(reads, results, count);
 }
 __attribute__((__visibility__("default"))) void
-ConflictSet_addWrites(void *cs, const ConflictSet_WriteRange *writes,
-                      int count) {
-  ((ConflictSet::Impl *)cs)->addWrites(writes, count);
+ConflictSet_addWrites(void *cs, const ConflictSet_WriteRange *writes, int count,
+                      int64_t writeVersion) {
+  ((ConflictSet::Impl *)cs)->addWrites(writes, count, writeVersion);
 }
 __attribute__((__visibility__("default"))) void
 ConflictSet_setOldestVersion(void *cs, int64_t oldestVersion) {