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