3.0.15: fix nimterop usage

golden.nimble

@@ -1,4 +1,4 @@
-version = "3.0.14"
+version = "3.0.15"
 author = "disruptek"
 description = "a benchmark tool"
 license = "MIT"
@@ -9,6 +9,7 @@ requires "bump >= 1.8.15"
 requires "msgpack4nim 0.2.9"
 requires "terminaltables#82ee5890c13e381de0f11c8ba6fe484d7c0c2f19"
 requires "https://github.com/disruptek/gittyup >= 2.4.4 & < 3.0.0"
+requires "nimterop >= 0.6.2 & < 1.0.0"
 
 # we need this one for csize reasons
 requires "cligen >= 0.9.40"

src/golden/lm.nim

@@ -164,8 +164,8 @@ proc open(self: var GoldenDatabase; path: string) =
         GC_ref(env)
         self.db = addr env[]
     else:
-      var e: MDBEnv
-      self.db = addr e
+      var e: ptr MDBEnv
+      self.db = e
     if mdb_env_create(addr self.db) != 0:
       raise newException(IOError, "unable to instantiate db")
     if mdb_env_set_maxdbs(self.db, MAXDBS) != 0:
@@ -206,8 +206,8 @@ proc newTransaction(self: GoldenDatabase): ptr MDBTxn =
         GC_ref(txn)
         result = addr txn[]
     else:
-      var txn: MDB_Txn
-      result = addr txn
+      var txn: ptr MDB_Txn
+      result = txn
     assert parent == nil
     if mdb_txn_begin(self.db, parent, flags = flags, addr result) != 0:
       raise newException(IOError, "unable to begin transaction")