Implement Topics

.github/workflows/build.yml

@@ -54,4 +54,4 @@ jobs:
       - name: Get latest version of stable rust
         run: rustup update stable
       - name: Check rustdoc links
-        run: RUSTDOCFLAGS="--deny broken_intra_doc_links" cargo doc --verbose --workspace --no-deps --document-private-items
+        run: RUSTDOCFLAGS="--deny rustdoc::broken_intra_doc_links" cargo doc --verbose --workspace --no-deps --document-private-items

.gitignore

@@ -8,3 +8,6 @@ Cargo.lock
 
 # VIM swap files
 *.sw[op]
+
+# VS Code settings files
+/.vscode/

Cargo.toml

@@ -21,6 +21,7 @@ zeroize = { version = "1.4.3", features = ["zeroize_derive"] }
 futures = "0.3.19"
 uint = { version = "0.9.1", default-features = false }
 rlp = "0.5.1"
+sha2 = "0.9.5"
 # This version must be kept up to date do it uses the same dependencies as ENR
 hkdf = "0.12.3" 
 hex = "0.4.3"
@@ -39,6 +40,7 @@ lru = "0.7.1"
 hashlink = "0.7.0"
 delay_map = "0.1.1"
 more-asserts = "0.2.2"
+base64 = "0.13.0"
 
 [dev-dependencies]
 rand_07 = { package = "rand", version = "0.7" }

examples/find_nodes.rs

@@ -175,7 +175,7 @@ async fn main() {
                 match discv5.find_node(target_random_node_id).await {
                     Err(e) => warn!("Find Node result failed: {:?}", e),
                     Ok(v) => {
-                        // found a list of ENR's print their NodeIds
+                        // found a list of ENRs print their NodeIds
                         let node_ids = v.iter().map(|enr| enr.node_id()).collect::<Vec<_>>();
                         info!("Nodes found: {}", node_ids.len());
                         for node_id in node_ids {