Skip to content

Example: anvil_fork_instance

To run this example:

  • Clone the examples repository: git clone git@github.com:alloy-rs/examples.git
  • Run: cargo run --example anvil_fork_instance
//! Example of spinning up a forked Anvil instance and connecting it with a provider.
 
use alloy::{
    node_bindings::Anvil,
    providers::{ext::AnvilApi, ProviderBuilder},
};
use eyre::Result;
 
#[tokio::main]
async fn main() -> Result<()> {
    // Spin up a forked Anvil node.
    // Ensure `anvil` is available in $PATH.
    let rpc_url = "https://reth-ethereum.ithaca.xyz/rpc";
    let anvil = Anvil::new().fork(rpc_url).try_spawn()?;
    let provider = ProviderBuilder::new().on_http(anvil.endpoint_url());
 
    // Get node info using the Anvil API.
    let info = provider.anvil_node_info().await?;
 
    println!("Node info: {:#?}", info);
 
    assert_eq!(info.environment.chain_id, 1);
    assert_eq!(info.fork_config.fork_url, Some(rpc_url.to_string()));
 
    Ok(())
}

Find the source code on Github here.