feat(cli/pair): Implement `pair` CLI command

src/status_node_manager.nim

@@ -1,13 +1,37 @@
-# This is just an example to get you started. A typical hybrid package
-# uses this file as the main entry point of the application.
-
 import
+  std/[strutils, typetraits],
   confutils,
-  status_node_manager/[
+  chronos,
+  libp2p/crypto/crypto,
+  eth/[p2p/discoveryv5/enr],
+  chronicles/[log_output, topics_registry],
+  waku/[waku_core]
+
+import status_node_manager/[
     config,
     helpers/submodule # TODO: remove me
   ]
 
+import ../libs/waku_utils/waku_pair
+
+proc setupLogLevel*(level: LogLevel) =
+  topics_registry.setLogLevel(level)
+
+proc doWakuPairing(config: StatusNodeManagerConfig, rng: ref HmacDrbgContext) =
+  let wakuPairResult = waitFor wakuPair(rng, config.qr, config.qrMessageNameTag,
+                                        config.wakuPort, config.discv5Port,
+                                        config.requiredConnectedPeers,
+                                        config.pubSubTopic)
+  echo wakuPairResult.wakuHandshakeResult
+
 when isMainModule:
-  let conf = load Config
-  echo(getWelcomeMessage()) # TODO: remove me
+  setupLogLevel(LogLevel.NOTICE)
+
+  let rng = crypto.newRng()
+
+  let conf = load StatusNodeManagerConfig
+
+  case conf.cmd
+  of SNMStartUpCmd.noCommand: echo(getWelcomeMessage()) # TODO: remove me
+  of SNMStartUpCmd.pair: doWakuPairing(conf, rng)
+