diff --git a/examples/subscribe_contract_events.rs b/examples/subscribe_contract_events.rs new file mode 100644 index 00000000..a6f769f9 --- /dev/null +++ b/examples/subscribe_contract_events.rs @@ -0,0 +1,38 @@ +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!( + ERC20, + r#"[ + event Transfer(address indexed src, address indexed dst, uint wad) + ]"#, +); + +// In order to run this example you need to include Ws and TLS features +// Run this example with +// `cargo run -p ethers --example subscribe_contract_events --features="ws","rustls"` +#[tokio::main] +async fn main() -> Result<()> { + let client = + Provider::::connect("wss://mainnet.infura.io/ws/v3/c60b0bb42f8a4c6481ecd229eddaca27") + .await?; + + let client = Arc::new(client); + + // WETH Token + let address = "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2".parse::
()?; + let weth = ERC20::new(address, Arc::clone(&client)); + + // Subscribe Transfer events + let events = weth.events(); + let mut stream = events.stream().await?; + + while let Some(Ok(event)) = stream.next().await { + println!("src: {:?}, dst: {:?}, wad: {:?}", event.src, event.dst, event.wad); + } + + Ok(()) +} diff --git a/examples/subscribe_contract_events_with_meta.rs b/examples/subscribe_contract_events_with_meta.rs new file mode 100644 index 00000000..c81b4da8 --- /dev/null +++ b/examples/subscribe_contract_events_with_meta.rs @@ -0,0 +1,53 @@ +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!( + ERC20, + r#"[ + event Transfer(address indexed src, address indexed dst, uint wad) + ]"#, +); + +// In order to run this example you need to include Ws and TLS features +// Run this example with +// `cargo run -p ethers --example subscribe_contract_events_with_meta --features="ws","rustls"` +#[tokio::main] +async fn main() -> Result<()> { + let client = + Provider::::connect("wss://mainnet.infura.io/ws/v3/c60b0bb42f8a4c6481ecd229eddaca27") + .await?; + + let client = Arc::new(client); + + // WETH Token + let address = "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2".parse::
()?; + let weth = ERC20::new(address, Arc::clone(&client)); + + // Subscribe Transfer events + let events = weth.events(); + let mut stream = events.stream().await?.with_meta(); + while let Some(Ok((event, meta))) = stream.next().await { + println!("src: {:?}, dst: {:?}, wad: {:?}", event.src, event.dst, event.wad); + + println!( + r#"address: {:?}, + block_number: {:?}, + block_hash: {:?}, + transaction_hash: {:?}, + transaction_index: {:?}, + log_index: {:?} + "#, + meta.address, + meta.block_number, + meta.block_hash, + meta.transaction_hash, + meta.transaction_index, + meta.log_index + ); + } + + Ok(()) +} diff --git a/examples/subscribe_logs.rs b/examples/subscribe_logs.rs index 18216db9..0c74f78f 100644 --- a/examples/subscribe_logs.rs +++ b/examples/subscribe_logs.rs @@ -2,6 +2,8 @@ use ethers::{abi::AbiDecode, prelude::*, utils::keccak256}; use eyre::Result; use std::sync::Arc; +// In order to run this example you need to include Ws and TLS features +// Run this example with `cargo run -p ethers --example subscribe_logs --features="ws","rustls"` #[tokio::main] async fn main() -> Result<()> { let client =