diff --git a/Cargo.lock b/Cargo.lock
index a3471f83..e874f1ee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -593,7 +593,7 @@ dependencies = [
 [[package]]
 name = "nakamoto-net"
 version = "0.3.0"
-source = "git+https://github.com/cloudhead/nakamoto?branch=master#90cc3eac67aa5cfd5f42cf7cb1e2b155af3214fb"
+source = "git+https://github.com/cloudhead/nakamoto?rev=90cc3eac67aa5cfd5f42cf7cb1e2b155af3214fb#90cc3eac67aa5cfd5f42cf7cb1e2b155af3214fb"
 dependencies = [
  "crossbeam-channel",
  "fastrand",
@@ -604,7 +604,7 @@ dependencies = [
 [[package]]
 name = "nakamoto-net-poll"
 version = "0.3.0"
-source = "git+https://github.com/cloudhead/nakamoto?branch=master#90cc3eac67aa5cfd5f42cf7cb1e2b155af3214fb"
+source = "git+https://github.com/cloudhead/nakamoto?rev=90cc3eac67aa5cfd5f42cf7cb1e2b155af3214fb#90cc3eac67aa5cfd5f42cf7cb1e2b155af3214fb"
 dependencies = [
  "crossbeam-channel",
  "libc",
@@ -642,6 +642,17 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "olpc-cjson"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72ca49fe685014bbf124ee547da94ed7bb65a6eb9dc9c4711773c081af96a39c"
+dependencies = [
+ "serde",
+ "serde_json",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.14.0"
@@ -782,6 +793,7 @@ version = "0.2.0"
 dependencies = [
  "anyhow",
  "bs58",
+ "byteorder",
  "chrono",
  "colored",
  "crossbeam-channel",
@@ -795,6 +807,7 @@ dependencies = [
  "nakamoto-net",
  "nakamoto-net-poll",
  "nonempty",
+ "olpc-cjson",
  "once_cell",
  "quickcheck",
  "quickcheck_macros",
@@ -805,7 +818,6 @@ dependencies = [
  "siphasher",
  "tempfile",
  "thiserror",
- "toml",
 ]
 
 [[package]]
@@ -1029,15 +1041,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
-[[package]]
-name = "toml"
-version = "0.5.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "typenum"
 version = "1.15.0"
diff --git a/Cargo.toml b/Cargo.toml
index 7b9c4986..cb4c6257 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,10 +11,10 @@ tag = "cycle/2022-07-12"
 
 [patch.crates-io.nakamoto-net]
 git = "https://github.com/cloudhead/nakamoto"
-branch = "master"
+rev = "90cc3eac67aa5cfd5f42cf7cb1e2b155af3214fb"
 version = "0.3.0"
 
 [patch.crates-io.nakamoto-net-poll]
 git = "https://github.com/cloudhead/nakamoto"
-branch = "master"
+rev = "90cc3eac67aa5cfd5f42cf7cb1e2b155af3214fb"
 version = "0.3.0"
diff --git a/node/src/test/tests.rs b/node/src/test/tests.rs
index 4ad9ef70..0e484d04 100644
--- a/node/src/test/tests.rs
+++ b/node/src/test/tests.rs
@@ -435,11 +435,16 @@ fn test_push_and_pull() {
     // Alice announces her refs.
     // We now expect Eve to fetch Alice's project from Alice.
     // Then we expect Bob to fetch Alice's project from Eve.
-    // TODO: Check that Bob is fetching from Eve and not Alice, via an event.
     alice.command(protocol::Command::AnnounceRefsUpdate(proj_id.clone()));
     sim.run_while([&mut alice, &mut bob, &mut eve], |s| !s.is_settled());
     assert!(eve.storage().get(&proj_id).unwrap().is_some());
     assert!(bob.storage().get(&proj_id).unwrap().is_some());
+    assert_matches!(
+        sim.events(&bob.ip).next(),
+        Some(protocol::Event::RefsFetched { from, .. })
+        if from == eve.git_url(),
+        "Bob fetched from Eve"
+    );
 }
 
 #[test]