use ethers::prelude::*; use eyre::Result; use std::sync::Arc; // Generate the type-safe contract bindings by providing the ABI // definition in human readable format abigen!( IUniswapV2Pair, r#"[ function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast) ]"#, ); #[tokio::main] async fn main() -> Result<()> { let client = Provider::::try_from( "https://mainnet.infura.io/v3/c60b0bb42f8a4c6481ecd229eddaca27", )?; let client = Arc::new(client); // ETH/USDT pair on Uniswap V2 let address = "0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852".parse::
()?; let pair = IUniswapV2Pair::new(address, Arc::clone(&client)); // getReserves -> get_reserves let (reserve0, reserve1, _timestamp) = pair.get_reserves().call().await?; println!("Reserves (ETH, USDT): ({}, {})", reserve0, reserve1); let mid_price = f64::powi(10.0, 18 - 6) * reserve1 as f64 / reserve0 as f64; println!("ETH/USDT price: {:.2}", mid_price); Ok(()) }