diff --git a/.gitignore b/.gitignore
index 6ca71fb..4adb571 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ index.node
 **/node_modules
 **/.DS_Store
 npm-debug.log*
+connection-log.txt
diff --git a/Cargo.lock b/Cargo.lock
index 9619bf4..aade720 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1626,6 +1626,15 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ffbee8634e0d45d258acb448e7eaab3fce7a0a467395d4d9f228e3c1f01fb2e4"
 
+[[package]]
+name = "matchers"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
+dependencies = [
+ "regex-automata 0.1.10",
+]
+
 [[package]]
 name = "memchr"
 version = "2.6.4"
@@ -1893,8 +1902,10 @@ dependencies = [
  "flume",
  "neon",
  "once_cell",
+ "serde_json",
  "thiserror",
  "tokio",
+ "tracing-subscriber",
  "veilid-core",
 ]
 
@@ -2405,8 +2416,17 @@ checksum = "ebee201405406dbf528b8b672104ae6d6d63e6d118cb10e4d51abbc7b58044ff"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-automata",
- "regex-syntax",
+ "regex-automata 0.3.9",
+ "regex-syntax 0.7.5",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+dependencies = [
+ "regex-syntax 0.6.29",
 ]
 
 [[package]]
@@ -2417,9 +2437,15 @@ checksum = "59b23e92ee4318893fa3fe3e6fb365258efbfe6ac6ab30f090cdcbb7aa37efa9"
 dependencies = [
  "aho-corasick",
  "memchr",
- "regex-syntax",
+ "regex-syntax 0.7.5",
 ]
 
+[[package]]
+name = "regex-syntax"
+version = "0.6.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
+
 [[package]]
 name = "regex-syntax"
 version = "0.7.5"
@@ -3206,10 +3232,14 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "30a651bc37f915e81f087d86e62a18eec5f79550c7faff886f7090b4ea757c77"
 dependencies = [
+ "matchers",
  "nu-ansi-term",
+ "once_cell",
+ "regex",
  "sharded-slab",
  "smallvec",
  "thread_local",
+ "tracing",
  "tracing-core",
  "tracing-log",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 69e167a..ce5ce55 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,11 +13,13 @@ crate-type = ["cdylib"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-tokio = { version = "1.30.0", features = ["macros", "rt-multi-thread"] }
+tokio = { version = "1.32.0", features = ["full"] }
 veilid-core = { git = "https://gitlab.com/veilid/veilid", tag="v0.2.3", features = [ "rt-tokio" ] }
 once_cell = "1"
 thiserror = "1.0.49"
 flume = "0.11.0"
+tracing-subscriber = { version = "0.3.17", features = [ "env-filter" ] }
+serde_json = "1.0"
 
 [dependencies.neon]
 version = "0.10"
diff --git a/package.json b/package.json
index 3397800..f8e7286 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,8 @@
   "author": "Sven Slootweg <admin@cryto.net>",
   "license": "WTFPL OR CC0-1.0",
   "devDependencies": {
-    "cargo-cp-artifact": "^0.1"
+    "cargo-cp-artifact": "^0.1",
+    "tmp-promise": "^3.0.3"
   },
   "keywords": [
     "veilid"
diff --git a/src/lib.rs b/src/lib.rs
index f4eb805..381d250 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,8 +1,7 @@
-use std::{path::PathBuf, sync::{Arc, mpsc}, io};
-
-use neon::{prelude::*, result::Throw};
+use std::{path::PathBuf, sync::Arc};
+use neon::prelude::*;
 use once_cell::sync::OnceCell;
-use thiserror::Error;
+use tracing_subscriber::EnvFilter;
 use veilid_core::{CryptoKind, CryptoTyped, KeyPair, CRYPTO_KIND_VLD0, VeilidAPI, api_startup_json, VeilidAPIError};
 
 // #[derive(Error, Debug)]
@@ -13,12 +12,15 @@ use veilid_core::{CryptoKind, CryptoTyped, KeyPair, CRYPTO_KIND_VLD0, VeilidAPI,
 //     Throw (#[from] Throw)
 // }
 
-fn make_runtime<'a, C: Context<'a>>(cx: &mut C) -> NeonResult<&'static tokio::runtime::Runtime> {
+fn make_runtime_js<'a, C: Context<'a>>(cx: &mut C) -> NeonResult<&'static tokio::runtime::Runtime> {
+	make_runtime().or_else(|error| cx.throw_error(error.to_string()))
+}
+
+fn make_runtime() -> Result<&'static tokio::runtime::Runtime, std::io::Error> {
 	static RUNTIME: OnceCell<tokio::runtime::Runtime> = OnceCell::new();
 
 	RUNTIME.get_or_try_init(||
 		tokio::runtime::Runtime::new()
-			.or_else(|error| cx.throw_error(error.to_string()))
 	)
 }
 
@@ -95,6 +97,22 @@ fn crypto_generate_keypair(mut cx: FunctionContext) -> JsResult<BoxedKeypair> {
 	Ok(cx.boxed(NoFinalize(keypair)))
 }
 
+fn crypto_format_keypair(mut cx: FunctionContext) -> JsResult<JsObject> {
+	let keypair = cx.argument
+		::<BoxedKeypair>(0)?
+		.unbox();
+
+	let object = cx.empty_object();
+
+	let formatted_key = cx.string(format!("{}", keypair.value.key));
+	object.set(&mut cx, "key", formatted_key)?;
+
+	let formatted_secret = cx.string(format!("{}", keypair.value.secret));
+	object.set(&mut cx, "secret", formatted_secret)?;
+
+	Ok(object)
+}
+
 #[derive(Debug)]
 struct LibraryCore {
 	api: VeilidAPI
@@ -102,7 +120,11 @@ struct LibraryCore {
 
 impl Finalize for LibraryCore {
 	fn finalize<'a, C: Context<'a>>(self, _: &mut C) {
-		// FIXME
+		println!("Calling finalize!");
+		let runtime = make_runtime().unwrap(); // FIXME: Find better alternative to unwrapping here
+
+		let _guard = runtime.enter();
+		let _ignored_future = self.api.shutdown(); // FIXME: Probably shouldn't ignore this...?
 	}
 }
 
@@ -115,11 +137,13 @@ impl LibraryCore {
 			::<JsFunction>(0)?
 			.root(&mut cx); // To allow sending to a different thread
 
+		let update_callback_arc = Arc::new(update_callback);
+
 		let json_config = cx.argument
 			::<JsString>(1)?
 			.value(&mut cx);
 
-		let runtime = make_runtime(&mut cx)?;
+		let runtime = make_runtime_js(&mut cx)?;
 		let (deferred, promise) = cx.promise();
 		let startup_channel = cx.channel();
 		let (update_sender, update_receiver) = flume::unbounded();
@@ -138,6 +162,7 @@ impl LibraryCore {
 
 			let core_result = async {
 				let api = api_startup_json(update_handler, json_config).await?;
+				api.attach().await?;
 				let core = LibraryCore { api: api };
 				Ok(core)
 			}.await;
@@ -164,18 +189,22 @@ impl LibraryCore {
 
 		let _calling_task = runtime.spawn(async move {
 			loop {
-				let update = update_receiver.recv_async().await;
-				let update_callback = update_callback.clone(&mut cx);
+				let update = update_receiver.recv_async().await.unwrap(); // FIXME: Not just unwrap
+				let update_callback_arc = update_callback_arc.clone();
+
+				let serialized_update = serde_json::to_string_pretty(&update).unwrap();
+
+				// The caller should ensure Root::into_inner or Root::drop is called to properly dispose of the Root<T>. If the value is dropped without calling one of these methods:
 
 				update_channel.send(move |mut cx| {
-					update_callback
-						.into_inner(&mut cx) // Unpack original callback
+					update_callback_arc
+						.to_inner(&mut cx) // Unpack original callback
 						.call_with(&mut cx)
-						.arg(cx.string(format!("{:?}", update)))
-						.apply::<JsUndefined, _>(&mut cx);
+						.arg(cx.string(serialized_update))
+						.apply::<JsUndefined, _>(&mut cx)?;
 
 					Ok(())
-				}).join(); // FIXME: This will probably block?
+				}).join().unwrap(); // FIXME: This will probably block? Also probably shouldn't unwrap here
 			}
 		});
 
@@ -203,7 +232,18 @@ impl LibraryCore {
 
 #[neon::main]
 fn main(mut cx: ModuleContext) -> NeonResult<()> {
+	// TODO: Make logging optional
+	let default_env_filter = EnvFilter::try_from_default_env();
+    let fallback_filter = EnvFilter::new("veilid_core=warn,info,debug");
+    let env_filter = default_env_filter.unwrap_or(fallback_filter);
+
+    tracing_subscriber::fmt()
+        .with_writer(std::io::stderr)
+        .with_env_filter(env_filter)
+        .init();
+
 	cx.export_function("makePath", make_path)?;
+	cx.export_function("crypto_formatKeypair", crypto_format_keypair)?;
 	cx.export_function("crypto_generateKeypair", crypto_generate_keypair)?;
 	cx.export_function("libraryCore_fromJSON", LibraryCore::from_json)?;
 
diff --git a/test.js b/test.js
index 2f09981..d81ccd5 100644
--- a/test.js
+++ b/test.js
@@ -1,12 +1,169 @@
 "use strict";
 
 const veilid = require("./");
+const tmp = require("tmp-promise");
+
+// let configJSON = JSON.stringify({
+// 	program_name: "node-veilid-test",
+// 	namespace: "",
+// 	capabilities: {
+// 		disable: []
+// 	},
+// 	core: {
+// 		protected_store: {
+// 			directory: "/tmp/node-veilid-test"
+// 		}
+// 	}
+// });
+
+let keypair = veilid.crypto_generateKeypair(veilid.CRYPTO_KIND_VLD0);
+let formatted = veilid.crypto_formatKeypair(keypair);
+console.log({formatted});
 
 (async()=>{
+	let basePath = (await tmp.dir({ unsafeCleanup: true })).path;
 	// let path = veilid.makePath("/tmp/test");
 	// let keypair = veilid.crypto_generateKeypair(veilid.CRYPTO_KIND_VLD0);
-	let core = veilid.libraryCore_fromJSON();
-	console.log("core", core);
-	console.log("test", core.test());
-	console.log("test2", core.test2());
+	var configJSON = JSON.stringify({
+		"program_name": "node-veilid-test",
+		"namespace": "",
+		  "capabilities": {
+			"disable": []
+		  },
+		  "protected_store": {
+			"allow_insecure_fallback": true,
+			"always_use_insecure_storage": true,
+			"directory": `${basePath}/protected_store`,
+			"delete": false,
+			"device_encryption_key_password": "",
+			"new_device_encryption_key_password": null
+		  },
+		  "table_store": {
+			"directory": `${basePath}/table_store`,
+			"delete": false
+		  },
+		  "block_store": {
+			"directory": `${basePath}/block_store`,
+			"delete": false
+		  },
+		  "network": {
+			"connection_initial_timeout_ms": 2000,
+			"connection_inactivity_timeout_ms": 60000,
+			"max_connections_per_ip4": 32,
+			"max_connections_per_ip6_prefix": 32,
+			"max_connections_per_ip6_prefix_size": 56,
+			"max_connection_frequency_per_min": 128,
+			"client_whitelist_timeout_ms": 300000,
+			"reverse_connection_receipt_time_ms": 5000,
+			"hole_punch_receipt_time_ms": 5000,
+			"network_key_password": null,
+			"routing_table": {
+			  "node_id": [ formatted.key ],
+			  "node_id_secret": [ formatted.secret ],
+			  "bootstrap": [
+				"bootstrap.veilid.net"
+			  ],
+			  "limit_over_attached": 64,
+			  "limit_fully_attached": 32,
+			  "limit_attached_strong": 16,
+			  "limit_attached_good": 8,
+			  "limit_attached_weak": 4
+			},
+			"rpc": {
+			  "concurrency": 0,
+			  "queue_size": 1024,
+			  "max_timestamp_behind_ms": 10000,
+			  "max_timestamp_ahead_ms": 10000,
+			  "timeout_ms": 5000,
+			  "max_route_hop_count": 4,
+			  "default_route_hop_count": 1
+			},
+			"dht": {
+			  "max_find_node_count": 20,
+			  "resolve_node_timeout_ms": 10000,
+			  "resolve_node_count": 1,
+			  "resolve_node_fanout": 4,
+			  "get_value_timeout_ms": 10000,
+			  "get_value_count": 3,
+			  "get_value_fanout": 4,
+			  "set_value_timeout_ms": 10000,
+			  "set_value_count": 5,
+			  "set_value_fanout": 4,
+			  "min_peer_count": 20,
+			  "min_peer_refresh_time_ms": 60000,
+			  "validate_dial_info_receipt_time_ms": 2000,
+			  "local_subkey_cache_size": 128,
+			  "local_max_subkey_cache_memory_mb": 256,
+			  "remote_subkey_cache_size": 1024,
+			  "remote_max_records": 65536,
+			  "remote_max_subkey_cache_memory_mb": 478,
+			  "remote_max_storage_space_mb": 1000
+			},
+			"upnp": true,
+			"detect_address_changes": true,
+			"restricted_nat_retries": 0,
+			"tls": {
+			  "certificate_path": `${basePath}/ssl/certs/server.crt`,
+			  "private_key_path": `${basePath}/ssl/keys/server.key`,
+			  "connection_initial_timeout_ms": 2000
+			},
+			"application": {
+			  "https": {
+				"enabled": false,
+				"listen_address": ":443",
+				"path": "app",
+				"url": null
+			  },
+			  "http": {
+				"enabled": false,
+				"listen_address": ":80",
+				"path": "app",
+				"url": null
+			  }
+			},
+			"protocol": {
+			  "udp": {
+				"enabled": true,
+				"socket_pool_size": 0,
+				"listen_address": "",
+				"public_address": null
+			  },
+			  "tcp": {
+				"connect": true,
+				"listen": true,
+				"max_connections": 32,
+				"listen_address": "",
+				"public_address": null
+			  },
+			  "ws": {
+				"connect": true,
+				"listen": true,
+				"max_connections": 32,
+				"listen_address": "",
+				"path": "ws",
+				"url": null
+			  },
+			  "wss": {
+				"connect": true,
+				"listen": false,
+				"max_connections": 32,
+				"listen_address": "",
+				"path": "ws",
+				"url": null
+			  }
+			}
+		  }
+	  }, null, 2);
+	
+	console.log({configJSON});
+
+	let core = await veilid.libraryCore_fromJSON((update) => {
+		console.log("update::", update);
+	}, configJSON);
+
+	setInterval(() => {
+		console.log("keepalive", core);
+	}, 10000);
+
+	console.log({core});
 })();
diff --git a/yarn.lock b/yarn.lock
index b00b073..9c5a256 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,7 +2,100 @@
 # yarn lockfile v1
 
 
+balanced-match@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.2.tgz#e83e3a7e3f300b34cb9d87f615fa0cbf357690ee"
+  integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
 cargo-cp-artifact@^0.1:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/cargo-cp-artifact/-/cargo-cp-artifact-0.1.8.tgz#353814f49f6aa76601a4bcb3ea5f3071180b90de"
   integrity sha512-3j4DaoTrsCD1MRkTF2Soacii0Nx7UHCce0EwUf4fHnggwiE4fbmF2AbnfzayR36DF8KGadfh7M/Yfy625kgPlA==
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw==
+
+glob@^7.1.3:
+  version "7.2.3"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.2.3.tgz#b8df0fb802bbfa8e89bd1d938b4e16578ed44f2b"
+  integrity sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.1.1"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+minimatch@^3.1.1:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.1.2.tgz#19cd194bfd3e428f049a70817c038d89ab4be35b"
+  integrity sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==
+  dependencies:
+    wrappy "1"
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==
+
+rimraf@^3.0.0:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.2.tgz#f1a5402ba6220ad52cc1282bac1ae3aa49fd061a"
+  integrity sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==
+  dependencies:
+    glob "^7.1.3"
+
+tmp-promise@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/tmp-promise/-/tmp-promise-3.0.3.tgz#60a1a1cc98c988674fcbfd23b6e3367bdeac4ce7"
+  integrity sha512-RwM7MoPojPxsOBYnyd2hy0bxtIlVrihNs9pj5SUvY8Zz1sQcQG2tG1hSr8PDxfgEB8RNKDhqbIlroIarSNDNsQ==
+  dependencies:
+    tmp "^0.2.0"
+
+tmp@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.2.1.tgz#8457fc3037dcf4719c251367a1af6500ee1ccf14"
+  integrity sha512-76SUhtfqR2Ijn+xllcI5P1oyannHNHByD80W1q447gU3mp9G9PSpGdWmjUOHRDPiHYacIk66W7ubDTuPF3BEtQ==
+  dependencies:
+    rimraf "^3.0.0"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==