Fix comments in nym-sdk builder_with_storage example (#3283)

Cargo.lock

@@ -3009,6 +3009,8 @@ name = "mixnode-common"
 version = "0.1.0"
 dependencies = [
  "bytes",
+ "cfg-if",
+ "cpu-cycles",
  "futures",
  "humantime-serde",
  "log",
@@ -3027,6 +3029,7 @@ dependencies = [
  "thiserror",
  "tokio",
  "tokio-util",
+ "tracing",
  "url",
  "validator-client",
 ]
@@ -3264,6 +3267,9 @@ dependencies = [
  "semver 0.11.0",
  "serde",
  "serde_json",
+ "tracing-appender",
+ "tracing-subscriber",
+ "tracing-tree",
  "vergen",
 ]
 
@@ -3610,6 +3616,7 @@ version = "1.1.14"
 dependencies = [
  "anyhow",
  "bs58",
+ "cfg-if",
  "clap 4.1.11",
  "colored",
  "cpu-cycles",
@@ -3633,6 +3640,7 @@ dependencies = [
  "nym-task",
  "nym-topology",
  "nym-types",
+ "opentelemetry",
  "pretty_env_logger",
  "rand 0.7.3",
  "rocket",
@@ -3642,6 +3650,7 @@ dependencies = [
  "tokio",
  "tokio-util",
  "toml",
+ "tracing",
  "url",
  "validator-client",
 ]
@@ -4258,6 +4267,49 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "opentelemetry"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f4b8347cc26099d3aeee044065ecc3ae11469796b4d65d065a23a584ed92a6f"
+dependencies = [
+ "opentelemetry_api",
+ "opentelemetry_sdk",
+]
+
+[[package]]
+name = "opentelemetry_api"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed41783a5bf567688eb38372f2b7a8530f5a607a4b49d38dd7573236c23ca7e2"
+dependencies = [
+ "futures-channel",
+ "futures-util",
+ "indexmap",
+ "once_cell",
+ "pin-project-lite",
+ "thiserror",
+ "urlencoding",
+]
+
+[[package]]
+name = "opentelemetry_sdk"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b3a2a91fdbfdd4d212c0dcc2ab540de2c2bcbbd90be17de7a7daf8822d010c1"
+dependencies = [
+ "async-trait",
+ "crossbeam-channel",
+ "futures-channel",
+ "futures-executor",
+ "futures-util",
+ "once_cell",
+ "opentelemetry_api",
+ "percent-encoding",
+ "rand 0.8.5",
+ "thiserror",
+]
+
 [[package]]
 name = "os_str_bytes"
 version = "6.5.0"
@@ -6610,6 +6662,17 @@ dependencies = [
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-appender"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09d48f71a791638519505cefafe162606f706c25592e4bde4d97600c0195312e"
+dependencies = [
+ "crossbeam-channel",
+ "time 0.3.20",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "tracing-attributes"
 version = "0.1.23"
@@ -6670,6 +6733,19 @@ dependencies = [
  "tracing-log",
 ]
 
+[[package]]
+name = "tracing-tree"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "758e983ab7c54fee18403994507e7f212b9005e957ce7984996fac8d11facedb"
+dependencies = [
+ "atty",
+ "nu-ansi-term",
+ "tracing-core",
+ "tracing-log",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "try-lock"
 version = "0.2.4"
@@ -6888,6 +6964,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "urlencoding"
+version = "2.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8db7427f936968176eaa7cdf81b7f98b980b18495ec28f1b5791ac3bfe3eea9"
+
 [[package]]
 name = "utf-8"
 version = "0.7.6"

sdk/rust/nym-sdk/examples/builder_with_storage.rs

@@ -11,14 +11,15 @@ async fn main() {
     let storage_paths =
         mixnet::StoragePaths::new_from_dir(mixnet::KeyMode::Keep, &config_dir).unwrap();
 
-    // Create the client with a storage backend, and enable it by giving it some paths
+    // Create the client with a storage backend, and enable it by giving it some paths. If keys
+    // exists at these paths, they will be loaded, otherwise they will be generated.
     let client = mixnet::MixnetClientBuilder::new()
         .enable_storage(storage_paths)
         .build::<mixnet::ReplyStorage>()
         .await
         .unwrap();
 
-    // Now we connect to the mixnet, using ephemeral keys already created
+    // Now we connect to the mixnet, using keys now stored in the paths provided.
     let mut client = client.connect_to_mixnet().await.unwrap();
 
     // Be able to get our client address