chore: fix rln in nimble

# Conflicts:
#	waku.nimble

.gitignore

@@ -79,3 +79,6 @@ waku_handler.moc.cpp
 
 # Nix build result
 result
+
+# Nimble
+ nimble.paths

scripts/build_rln.sh

@@ -5,6 +5,20 @@
 
 set -e
 
+# --- lock setup ---
+lockdir="build/rln.lock"
+mkdir -p build
+
+# try to acquire lock (atomic)
+while ! mkdir "${lockdir}" 2>/dev/null; do
+  echo "Another process is building RLN, waiting..."
+  sleep 1
+done
+
+# cleanup on exit
+cleanup() { rm -rf "${lockdir}"; }
+trap cleanup EXIT
+
 # first argument is the build directory
 build_dir=$1
 rln_version=$2
@@ -14,6 +28,11 @@ output_filename=$3
 [[ -z "${rln_version}" ]]     && { echo "No rln version specified";     exit 1; }
 [[ -z "${output_filename}" ]] && { echo "No output filename specified"; exit 1; }
 
+if [[ -f "${output_filename}" ]]; then
+    echo "RLN library already exists: ${output_filename}, skipping build."
+    exit 0
+fi
+
 # Get the host triplet
 host_triplet=$(rustc --version --verbose | awk '/host:/{print $2}')
 

vendor/nim-serialization

@@ -1 +1 @@
-Subproject commit 6f525d5447d97256750ca7856faead03e562ed20
+Subproject commit 73d6108d9c7ad0a1283d1e361a3f86e6c676a305

vendor/nim-web3

@@ -1 +1 @@
-Subproject commit 81ee8ce479d86acb73be7c4f365328e238d9b4a3
+Subproject commit 48fb2d4a215c20326b0cb945913b1d614a0564b9

waku.nimble

@@ -13,27 +13,37 @@ license = "MIT or Apache License 2.0"
 ### Dependencies
 requires "nim >= 2.2.4",
   "chronicles",
-  "confutils",
+  "confutils#e214b39",
   "chronos",
   "dnsdisc",
   "eth",
   "json_rpc",
   "libbacktrace",
   "nimcrypto",
+  "serialization >= 0.4.9",
   "stew",
   "stint",
   "metrics",
   "libp2p >= 1.13.0",
-  "web3",
+  "web3#48fb2d4", # fix 0.7.0 undeclared field: 'stream' error
   "presto",
   "regex",
   "results",
   "db_connector",
   "minilru",
-  "quic",
   "https://github.com/vacp2p/mix#0.1.0"
 
 ### Helper functions
+
+proc ensureRln(libFile: string = "build/librln.a", version = "v0.7.0") =
+  if not fileExists(libFile):
+    echo "Building RLN library..."
+    let buildDir = getCurrentDir()
+    let outFile = libFile
+    exec "bash ./scripts/build_rln.sh " & buildDir & " " & version & " " & outFile
+  else:
+    echo "RLN library already exists: " & libFile
+
 proc buildModule(filePath, params = "", lang = "c"): bool =
   if not dirExists "build":
     mkDir "build"
@@ -55,11 +65,9 @@ proc buildModule(filePath, params = "", lang = "c"): bool =
 proc buildBinary(name: string, srcDir = "./", params = "", lang = "c") =
   if not dirExists "build":
     mkDir "build"
-  # allow something like "nim nimbus --verbosity:0 --hints:off nimbus.nims"
-  var extra_params = params
-  for i in 2 ..< paramCount():
-    extra_params &= " " & paramStr(i)
-  exec "nim " & lang & " --out:build/" & name & " --mm:refc " & extra_params & " " &
+
+  ensureRln()
+  exec "nim " & lang & " --out:build/" & name & " --mm:refc " & " --passL:build/librln.a --passL:-lm --passL:-L" & getCurrentDir() & " " & params & " " &
     srcDir & name & ".nim"
 
 proc buildLibrary(name: string, srcDir = "./", params = "", `type` = "static") =