//! Example of querying contract storage from the Ethereum network.

use alloy::{

primitives::{address, U256},

providers::{Provider, 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);

// Get storage slot 0 from the Uniswap V3 USDC-ETH pool on Ethereum mainnet.

let pool_address = address!("88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640");

let storage_slot = U256::from(0);

// The provider calls the RPC at the latest block by default. A block can exlpicitly be set

// using `.block()`.

let storage = provider.get_storage_at(pool_address, storage_slot).await?;

println!("Slot 0: {storage:?}");

Ok(())

}