fix(rln-relay): tree race condition upon initialization

tests/v2/waku_rln_relay/test_rln_group_manager_onchain.nim

@@ -6,7 +6,7 @@ else:
   {.push raises: [].}
 
 import
-  std/[options, osproc, streams, strutils],
+  std/[options, osproc, streams, strutils, tempfiles],
   stew/[results, byteutils],
   stew/shims/net as stewNet,
   testutils/unittests,
@@ -157,7 +157,7 @@ proc stopGanache(runGanache: Process) {.used.} =
     error "Ganache daemon termination failed: ", err = getCurrentExceptionMsg()
 
 proc setup(signer = true): Future[OnchainGroupManager] {.async.} =
-  let rlnInstanceRes = createRlnInstance()
+  let rlnInstanceRes = createRlnInstance(tree_path = genTempPath("rln_tree", "group_manager_onchain"))
   require:
     rlnInstanceRes.isOk()
 

tests/v2/waku_rln_relay/test_rln_group_manager_static.nim

@@ -36,7 +36,7 @@ proc generateCredentials(rlnInstance: ptr RLN, n: int): seq[IdentityCredential]
 
 suite "Static group manager":
   setup:
-    let rlnInstanceRes = createRlnInstance(tree_path = genTempPath("rln_tree", "static"))
+    let rlnInstanceRes = createRlnInstance(tree_path = genTempPath("rln_tree", "group_manager_static"))
     require:
       rlnInstanceRes.isOk()
 

tests/v2/waku_rln_relay/test_waku_rln_relay.nim

@@ -2,7 +2,7 @@
 {.used.}
 
 import
-  std/[options, os, sequtils, times],
+  std/[options, os, sequtils, times, tempfiles],
   stew/byteutils,
   stew/shims/net as stewNet,
   testutils/unittests,
@@ -21,13 +21,16 @@ import
 const RlnRelayPubsubTopic = "waku/2/rlnrelay/proto"
 const RlnRelayContentTopic = "waku/2/rlnrelay/proto"
 
+proc createRLNInstanceWrapper(): RLNResult =
+  return createRlnInstance(tree_path = genTempPath("rln_tree", "waku_rln_relay"))
+
 suite "Waku rln relay":
 
   test "key_gen Nim Wrappers":
     let
       merkleDepth: csize_t = 20
 
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
 
@@ -49,7 +52,7 @@ suite "Waku rln relay":
 
   test "membership Key Generation":
     # create an RLN instance
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
 
@@ -73,7 +76,7 @@ suite "Waku rln relay":
 
   test "getRoot Nim binding":
     # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
 
@@ -106,7 +109,7 @@ suite "Waku rln relay":
       rootHex1 == rootHex2
   test "getMerkleRoot utils":
     # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -129,7 +132,7 @@ suite "Waku rln relay":
 
   test "update_next_member Nim Wrapper":
     # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -149,7 +152,7 @@ suite "Waku rln relay":
 
   test "getMember Nim wrapper":
       # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -182,7 +185,7 @@ suite "Waku rln relay":
 
   test "delete_member Nim wrapper":
     # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     # generate an identity credential
@@ -200,7 +203,7 @@ suite "Waku rln relay":
 
   test "insertMembers rln utils":
     # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -213,7 +216,7 @@ suite "Waku rln relay":
 
   test "insertMember rln utils":
     # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -226,7 +229,7 @@ suite "Waku rln relay":
 
   test "removeMember rln utils":
     # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -240,7 +243,7 @@ suite "Waku rln relay":
 
   test "setMetadata rln utils":
     # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -249,7 +252,7 @@ suite "Waku rln relay":
 
   test "getMetadata rln utils":
     # create an RLN instance which also includes an empty Merkle tree
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -270,7 +273,7 @@ suite "Waku rln relay":
 
   test "Merkle tree consistency check between deletion and insertion":
     # create an RLN instance
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
 
@@ -346,7 +349,7 @@ suite "Waku rln relay":
 
   test "Merkle tree consistency check between deletion and insertion using rln utils":
     # create an RLN instance
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
 
@@ -401,7 +404,7 @@ suite "Waku rln relay":
 
   test "hash Nim Wrappers":
     # create an RLN instance
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
 
@@ -432,7 +435,7 @@ suite "Waku rln relay":
 
   test "sha256 hash utils":
     # create an RLN instance
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -449,7 +452,7 @@ suite "Waku rln relay":
 
   test "poseidon hash utils":
     # create an RLN instance
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -467,7 +470,7 @@ suite "Waku rln relay":
         hashRes.get().inHex()
 
   test "create a list of membership keys and construct a Merkle tree based on the list":
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -500,7 +503,7 @@ suite "Waku rln relay":
     # extract the id commitments
     let groupIDCommitments = groupIdCredentials.mapIt(it.idCommitment)
     # calculate the Merkle tree root out of the extracted id commitments
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
     let rln = rlnInstance.get()
@@ -708,7 +711,7 @@ suite "Waku rln relay":
 
   test "toIDCommitment and toUInt256":
     # create an instance of rln
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
 
@@ -732,7 +735,7 @@ suite "Waku rln relay":
 
   test "Read/Write RLN credentials":
     # create an RLN instance
-    let rlnInstance = createRLNInstance()
+    let rlnInstance = createRLNInstanceWrapper()
     require:
       rlnInstance.isOk()
 

tests/v2/waku_rln_relay/test_wakunode_rln_relay.nim

@@ -1,7 +1,7 @@
 {.used.}
 
 import
-  std/sequtils,
+  std/[sequtils, tempfiles],
   stew/byteutils,
   stew/shims/net as stewNet,
   testutils/unittests,
@@ -52,6 +52,7 @@ procSuite "WakuNode - RLN relay":
       rlnRelayPubsubTopic: rlnRelayPubSubTopic,
       rlnRelayContentTopic: contentTopic,
       rlnRelayCredIndex: 1.uint,
+      rlnRelayTreePath: genTempPath("rln_tree", "wakunode"),
     ))
 
     await node1.start()
@@ -63,6 +64,7 @@ procSuite "WakuNode - RLN relay":
       rlnRelayPubsubTopic: rlnRelayPubSubTopic,
       rlnRelayContentTopic: contentTopic,
       rlnRelayCredIndex: 2.uint,
+      rlnRelayTreePath: genTempPath("rln_tree", "wakunode_2"),
     ))
 
     await node2.start()
@@ -74,6 +76,7 @@ procSuite "WakuNode - RLN relay":
       rlnRelayPubsubTopic: rlnRelayPubSubTopic,
       rlnRelayContentTopic: contentTopic,
       rlnRelayCredIndex: 3.uint,
+      rlnRelayTreePath: genTempPath("rln_tree", "wakunode_3"),
     ))
 
     await node3.start()
@@ -138,6 +141,7 @@ procSuite "WakuNode - RLN relay":
       rlnRelayPubsubTopic: rlnRelayPubSubTopic,
       rlnRelayContentTopic: contentTopic,
       rlnRelayCredIndex: 1.uint,
+      rlnRelayTreePath: genTempPath("rln_tree", "wakunode_4"),
     ))
 
     await node1.start()
@@ -149,6 +153,7 @@ procSuite "WakuNode - RLN relay":
       rlnRelayPubsubTopic: rlnRelayPubSubTopic,
       rlnRelayContentTopic: contentTopic,
       rlnRelayCredIndex: 2.uint,
+      rlnRelayTreePath: genTempPath("rln_tree", "wakunode_5"),
     ))
 
     await node2.start()
@@ -160,6 +165,7 @@ procSuite "WakuNode - RLN relay":
       rlnRelayPubsubTopic: rlnRelayPubSubTopic,
       rlnRelayContentTopic: contentTopic,
       rlnRelayCredIndex: 3.uint,
+      rlnRelayTreePath: genTempPath("rln_tree", "wakunode_6"),
     ))
 
     await node3.start()
@@ -241,6 +247,7 @@ procSuite "WakuNode - RLN relay":
       rlnRelayPubsubTopic: rlnRelayPubSubTopic,
       rlnRelayContentTopic: contentTopic,
       rlnRelayCredIndex: 1.uint,
+      rlnRelayTreePath: genTempPath("rln_tree", "wakunode_7"),
     ))
 
     await node1.start()
@@ -253,6 +260,7 @@ procSuite "WakuNode - RLN relay":
       rlnRelayPubsubTopic: rlnRelayPubSubTopic,
       rlnRelayContentTopic: contentTopic,
       rlnRelayCredIndex: 2.uint,
+      rlnRelayTreePath: genTempPath("rln_tree", "wakunode_8"),
     ))
 
     await node2.start()
@@ -265,6 +273,7 @@ procSuite "WakuNode - RLN relay":
       rlnRelayPubsubTopic: rlnRelayPubSubTopic,
       rlnRelayContentTopic: contentTopic,
       rlnRelayCredIndex: 3.uint,
+      rlnRelayTreePath: genTempPath("rln_tree", "wakunode_9"),
     ))
 
     await node3.start()