feat(ens): Examples

Cargo.toml

@@ -95,8 +95,9 @@ significant_drop_tightening = "allow"
 needless_return = "allow"
 
 [workspace.dependencies]
-alloy = { version = "1.0.41", features = [
+alloy = { version = "1.1.0", features = [
     "eips",
+    "ens",
     "full",
     "json-rpc",
     "node-bindings",

examples/ens/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "examples-ens"
+publish.workspace = true
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+authors.workspace = true
+license.workspace = true
+homepage.workspace = true
+repository.workspace = true
+
+[lints]
+workspace = true
+
+[dev-dependencies]
+alloy.workspace = true
+
+eyre.workspace = true
+futures-util.workspace = true
+tokio = { workspace = true, features = ["rt-multi-thread", "macros"] }

examples/ens/examples/address_lookup.rs

@@ -0,0 +1,20 @@
+//! Example of looking up ENS names from Ethereum addresses.
+use alloy::{ens::ProviderEnsExt, primitives::address, providers::ProviderBuilder};
+use eyre::Result;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    // Create a provider.
+    let rpc_url = "https://reth-ethereum.ithaca.xyz/rpc".parse()?;
+    let provider = ProviderBuilder::new().connect_http(rpc_url);
+
+    // Vitalik's Ethereum address.
+    let vitalik_address = address!("0xd8da6bf26964af9d7eed9e03e53415d37aa96045");
+
+    // Perform reverse ENS lookup to get the ENS name for the address.
+    let ens_name = provider.lookup_address(&vitalik_address).await?;
+
+    println!("Address {vitalik_address} resolves to: {ens_name:?}");
+
+    Ok(())
+}

examples/ens/examples/name_resolution.rs

@@ -0,0 +1,18 @@
+//! Example of resolving ENS names to Ethereum addresses.
+
+use alloy::{ens::ProviderEnsExt, providers::ProviderBuilder};
+use eyre::Result;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    // Create a provider.
+    let rpc_url = "https://reth-ethereum.ithaca.xyz/rpc".parse()?;
+    let provider = ProviderBuilder::new().connect_http(rpc_url);
+
+    // Resolve the ENS name "vitalik.eth" to its Ethereum address.
+    let address = provider.resolve_name("vitalik.eth").await?;
+
+    println!("vitalik.eth resolves to: {address:?}");
+
+    Ok(())
+}