Update enr dependency

Cargo.toml

@@ -12,7 +12,7 @@ categories = ["network-programming", "asynchronous"]
 exclude = [".gitignore", ".github/*"]
 
 [dependencies]
-enr = { version = "0.9", features = ["k256", "ed25519"] }
+enr = { version = "0.10", features = ["k256", "ed25519"] }
 tokio = { version = "1", features = ["net", "sync", "macros", "rt"] }
 libp2p = { version = "0.52", features = ["ed25519", "secp256k1"], optional = true }
 zeroize = { version = "1", features = ["zeroize_derive"] }

README.md

@@ -43,7 +43,7 @@ A simple example of creating this service is as follows:
 
    // construct a local ENR
    let enr_key = CombinedKey::generate_secp256k1();
-   let enr = enr::EnrBuilder::new("v4").build(&enr_key).unwrap();
+   let enr = enr::Enr::empty(&enr_key).unwrap();
 
    // build the tokio executor
    let mut runtime = tokio::runtime::Builder::new_multi_thread()

examples/custom_executor.rs

@@ -29,7 +29,7 @@ fn main() {
 
     let enr_key = CombinedKey::generate_secp256k1();
     // construct a local ENR
-    let enr = enr::EnrBuilder::new("v4").build(&enr_key).unwrap();
+    let enr = enr::Enr::empty(&enr_key).unwrap();
 
     // build the tokio executor
     let runtime = tokio::runtime::Builder::new_multi_thread()

examples/find_nodes.rs

@@ -90,7 +90,7 @@ async fn main() {
     };
 
     let enr = {
-        let mut builder = enr::EnrBuilder::new("v4");
+        let mut builder = enr::Enr::builder();
         if let Some(ip4) = args.enr_ip4 {
             // if the given address is the UNSPECIFIED address we want to advertise localhost
             if ip4.is_unspecified() {

examples/request_enr.rs

@@ -43,7 +43,7 @@ async fn main() {
     // generate a new enr key
     let enr_key = CombinedKey::generate_secp256k1();
     // construct a local ENR
-    let enr = enr::EnrBuilder::new("v4").build(&enr_key).unwrap();
+    let enr = enr::Enr::empty(&enr_key).unwrap();
 
     // default discv5 configuration
     let config = ConfigBuilder::new(listen_config).build();

examples/simple_server.rs

@@ -46,7 +46,7 @@ async fn main() {
 
     // construct a local ENR
     let enr = {
-        let mut builder = enr::EnrBuilder::new("v4");
+        let mut builder = enr::Enr::builder();
         // if an IP was specified, use it
         if let Some(external_address) = address {
             builder.ip4(external_address);

src/discv5/test.rs

@@ -1,7 +1,7 @@
 #![cfg(test)]
 
 use crate::{socket::ListenConfig, Discv5, *};
-use enr::{k256, CombinedKey, Enr, EnrBuilder, EnrKey, NodeId};
+use enr::{k256, CombinedKey, Enr, EnrKey, NodeId};
 use rand_core::{RngCore, SeedableRng};
 use std::{
     collections::HashMap,
@@ -28,11 +28,7 @@ async fn build_nodes(n: usize, base_port: u16) -> Vec<Discv5> {
         let listen_config = ListenConfig::Ipv4 { ip, port };
         let config = ConfigBuilder::new(listen_config).build();
 
-        let enr = EnrBuilder::new("v4")
-            .ip4(ip)
-            .udp4(port)
-            .build(&enr_key)
-            .unwrap();
+        let enr = Enr::builder().ip4(ip).udp4(port).build(&enr_key).unwrap();
         // transport for building a swarm
         let mut discv5 = Discv5::new(enr, enr_key, config).unwrap();
         discv5.start().await.unwrap();
@@ -52,11 +48,7 @@ async fn build_nodes_from_keypairs(keys: Vec<CombinedKey>, base_port: u16) -> Ve
         let listen_config = ListenConfig::Ipv4 { ip, port };
         let config = ConfigBuilder::new(listen_config).build();
 
-        let enr = EnrBuilder::new("v4")
-            .ip4(ip)
-            .udp4(port)
-            .build(&enr_key)
-            .unwrap();
+        let enr = Enr::builder().ip4(ip).udp4(port).build(&enr_key).unwrap();
 
         let mut discv5 = Discv5::new(enr, enr_key, config).unwrap();
         discv5.start().await.unwrap();
@@ -77,7 +69,7 @@ async fn build_nodes_from_keypairs_ipv6(keys: Vec<CombinedKey>, base_port: u16)
         };
         let config = ConfigBuilder::new(listen_config).build();
 
-        let enr = EnrBuilder::new("v4")
+        let enr = Enr::builder()
             .ip6(Ipv6Addr::LOCALHOST)
             .udp6(port)
             .build(&enr_key)
@@ -108,7 +100,7 @@ async fn build_nodes_from_keypairs_dual_stack(
         };
         let config = ConfigBuilder::new(listen_config).build();
 
-        let enr = EnrBuilder::new("v4")
+        let enr = Enr::builder()
             .ip4(Ipv4Addr::LOCALHOST)
             .udp4(ipv4_port)
             .ip6(Ipv6Addr::LOCALHOST)
@@ -744,11 +736,7 @@ async fn test_table_limits() {
     let mut keypairs = generate_deterministic_keypair(12, 9487);
     let ip: Ipv4Addr = "127.0.0.1".parse().unwrap();
     let enr_key: CombinedKey = keypairs.remove(0);
-    let enr = EnrBuilder::new("v4")
-        .ip4(ip)
-        .udp4(9050)
-        .build(&enr_key)
-        .unwrap();
+    let enr = Enr::builder().ip4(ip).udp4(9050).build(&enr_key).unwrap();
     let listen_config = ListenConfig::Ipv4 {
         ip: enr.ip4().unwrap(),
         port: enr.udp4().unwrap(),
@@ -763,7 +751,7 @@ async fn test_table_limits() {
         .map(|i| {
             let ip: Ipv4Addr = Ipv4Addr::new(192, 168, 1, i as u8);
             let enr_key: CombinedKey = keypairs.remove(0);
-            EnrBuilder::new("v4")
+            Enr::builder()
                 .ip4(ip)
                 .udp4(9050 + i as u16)
                 .build(&enr_key)
@@ -782,19 +770,15 @@ async fn test_table_limits() {
 async fn test_bucket_limits() {
     let enr_key = CombinedKey::generate_secp256k1();
     let ip: Ipv4Addr = "127.0.0.1".parse().unwrap();
-    let enr = EnrBuilder::new("v4")
-        .ip4(ip)
-        .udp4(9500)
-        .build(&enr_key)
-        .unwrap();
+    let enr = Enr::builder().ip4(ip).udp4(9500).build(&enr_key).unwrap();
     let bucket_limit: usize = 2;
     // Generate `bucket_limit + 1` keypairs that go in `enr` node's 256th bucket.
     let keys = {
         let mut keys = Vec::new();
         for _ in 0..bucket_limit + 1 {
             loop {
                 let key = CombinedKey::generate_secp256k1();
-                let enr_new = EnrBuilder::new("v4").build(&key).unwrap();
+                let enr_new = Enr::empty(&key).unwrap();
                 let node_key: Key<NodeId> = enr.node_id().into();
                 let distance = node_key.log2_distance(&enr_new.node_id().into()).unwrap();
                 if distance == 256 {
@@ -810,7 +794,7 @@ async fn test_bucket_limits() {
         .map(|i| {
             let kp = &keys[i - 1];
             let ip: Ipv4Addr = Ipv4Addr::new(192, 168, 1, i as u8);
-            EnrBuilder::new("v4")
+            Enr::builder()
                 .ip4(ip)
                 .udp4(9500 + i as u16)
                 .build(kp)

src/handler/crypto/mod.rs

@@ -223,7 +223,7 @@ mod tests {
     use crate::packet::DefaultProtocolId;
 
     use super::*;
-    use enr::{CombinedKey, EnrBuilder, EnrKey};
+    use enr::{CombinedKey, Enr, EnrKey};
     use std::convert::TryInto;
 
     fn hex_decode(x: &'static str) -> Vec<u8> {
@@ -341,12 +341,12 @@ mod tests {
         let node1_key = CombinedKey::generate_secp256k1();
         let node2_key = CombinedKey::generate_secp256k1();
 
-        let node1_enr = EnrBuilder::new("v4")
+        let node1_enr = Enr::builder()
             .ip("127.0.0.1".parse().unwrap())
             .udp4(9000)
             .build(&node1_key)
             .unwrap();
-        let node2_enr = EnrBuilder::new("v4")
+        let node2_enr = Enr::builder()
             .ip("127.0.0.1".parse().unwrap())
             .udp4(9000)
             .build(&node2_key)

src/handler/tests.rs

@@ -17,7 +17,6 @@ use crate::{
     RequestError::SelfRequest,
 };
 use active_requests::ActiveRequests;
-use enr::EnrBuilder;
 use std::time::Duration;
 use tokio::time::sleep;
 
@@ -108,12 +107,12 @@ async fn simple_session_message() {
     let key1 = CombinedKey::generate_secp256k1();
     let key2 = CombinedKey::generate_secp256k1();
 
-    let sender_enr = EnrBuilder::new("v4")
+    let sender_enr = Enr::builder()
         .ip4(ip)
         .udp4(sender_port)
         .build(&key1)
         .unwrap();
-    let receiver_enr = EnrBuilder::new("v4")
+    let receiver_enr = Enr::builder()
         .ip4(ip)
         .udp4(receiver_port)
         .build(&key2)
@@ -195,13 +194,13 @@ async fn multiple_messages() {
     let key1 = CombinedKey::generate_secp256k1();
     let key2 = CombinedKey::generate_secp256k1();
 
-    let sender_enr = EnrBuilder::new("v4")
+    let sender_enr = Enr::builder()
         .ip4(ip)
         .udp4(sender_port)
         .build(&key1)
         .unwrap();
 
-    let receiver_enr = EnrBuilder::new("v4")
+    let receiver_enr = Enr::builder()
         .ip4(ip)
         .udp4(receiver_port)
         .build(&key2)
@@ -345,11 +344,7 @@ async fn test_active_requests_insert() {
 
     let key = CombinedKey::generate_secp256k1();
 
-    let enr = EnrBuilder::new("v4")
-        .ip4(ip)
-        .udp4(port)
-        .build(&key)
-        .unwrap();
+    let enr = Enr::builder().ip4(ip).udp4(port).build(&key).unwrap();
     let node_id = enr.node_id();
 
     let contact: NodeContact = enr.into();
@@ -374,7 +369,7 @@ async fn test_self_request_ipv4() {
     init();
 
     let key = CombinedKey::generate_secp256k1();
-    let enr = EnrBuilder::new("v4")
+    let enr = Enr::builder()
         .ip4(Ipv4Addr::LOCALHOST)
         .udp4(5004)
         .build(&key)
@@ -414,7 +409,7 @@ async fn test_self_request_ipv6() {
     init();
 
     let key = CombinedKey::generate_secp256k1();
-    let enr = EnrBuilder::new("v4")
+    let enr = Enr::builder()
         .ip6(Ipv6Addr::LOCALHOST)
         .udp6(5005)
         .build(&key)
@@ -451,7 +446,7 @@ async fn test_self_request_ipv6() {
 async fn remove_one_time_session() {
     let config = ConfigBuilder::new(ListenConfig::default()).build();
     let key = CombinedKey::generate_secp256k1();
-    let enr = EnrBuilder::new("v4")
+    let enr = Enr::builder()
         .ip4(Ipv4Addr::LOCALHOST)
         .udp4(9000)
         .build(&key)
@@ -460,7 +455,7 @@ async fn remove_one_time_session() {
 
     let enr = {
         let key = CombinedKey::generate_secp256k1();
-        EnrBuilder::new("v4")
+        Enr::builder()
             .ip4(Ipv4Addr::LOCALHOST)
             .udp4(9000)
             .build(&key)

src/ipmode.rs

@@ -136,7 +136,7 @@ mod tests {
 
         fn test(&self) {
             let test_enr = {
-                let builder = &mut enr::EnrBuilder::new("v4");
+                let builder = &mut enr::Enr::builder();
                 if let Some(ip4) = self.enr_ip4 {
                     builder.ip4(ip4).udp4(IP4_TEST_PORT);
                 }

src/lib.rs

@@ -59,7 +59,7 @@
 //!
 //!    // construct a local ENR
 //!    let enr_key = CombinedKey::generate_secp256k1();
-//!    let enr = enr::EnrBuilder::new("v4").build(&enr_key).unwrap();
+//!    let enr = enr::Enr::empty(&enr_key).unwrap();
 //!
 //!    // build the tokio executor
 //!    let mut runtime = tokio::runtime::Builder::new_multi_thread()

src/rpc.rs

@@ -493,7 +493,6 @@ impl Message {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use enr::EnrBuilder;
     use std::net::Ipv4Addr;
 
     #[test]
@@ -733,17 +732,17 @@ mod tests {
     #[test]
     fn encode_decode_nodes_response() {
         let key = CombinedKey::generate_secp256k1();
-        let enr1 = EnrBuilder::new("v4")
+        let enr1 = Enr::builder()
             .ip4("127.0.0.1".parse().unwrap())
             .udp4(500)
             .build(&key)
             .unwrap();
-        let enr2 = EnrBuilder::new("v4")
+        let enr2 = Enr::builder()
             .ip4("10.0.0.1".parse().unwrap())
             .tcp4(8080)
             .build(&key)
             .unwrap();
-        let enr3 = EnrBuilder::new("v4")
+        let enr3 = Enr::builder()
             .ip("10.4.5.6".parse().unwrap())
             .build(&key)
             .unwrap();

src/service/test.rs

@@ -14,7 +14,7 @@ use crate::{
     socket::ListenConfig,
     ConfigBuilder, Enr,
 };
-use enr::{CombinedKey, EnrBuilder};
+use enr::CombinedKey;
 use parking_lot::RwLock;
 use std::{collections::HashMap, sync::Arc, time::Duration};
 use tokio::sync::{mpsc, oneshot};
@@ -106,14 +106,14 @@ async fn test_updating_connection_on_ping() {
     init();
     let enr_key1 = CombinedKey::generate_secp256k1();
     let ip = "127.0.0.1".parse().unwrap();
-    let enr = EnrBuilder::new("v4")
+    let enr = Enr::builder()
         .ip4(ip)
         .udp4(DEFAULT_UDP_PORT)
         .build(&enr_key1)
         .unwrap();
     let ip2 = "127.0.0.1".parse().unwrap();
     let enr_key2 = CombinedKey::generate_secp256k1();
-    let enr2 = EnrBuilder::new("v4")
+    let enr2 = Enr::builder()
         .ip4(ip2)
         .udp4(DEFAULT_UDP_PORT)
         .build(&enr_key2)
@@ -174,15 +174,15 @@ async fn test_connection_direction_on_inject_session_established() {
 
     let enr_key1 = CombinedKey::generate_secp256k1();
     let ip = std::net::Ipv4Addr::LOCALHOST;
-    let enr = EnrBuilder::new("v4")
+    let enr = Enr::builder()
         .ip4(ip)
         .udp4(DEFAULT_UDP_PORT)
         .build(&enr_key1)
         .unwrap();
 
     let enr_key2 = CombinedKey::generate_secp256k1();
     let ip2 = std::net::Ipv4Addr::LOCALHOST;
-    let enr2 = EnrBuilder::new("v4")
+    let enr2 = Enr::builder()
         .ip4(ip2)
         .udp4(DEFAULT_UDP_PORT)
         .build(&enr_key2)