This program polls for the latest block values submitted by the builder for each relay. Example on how to use in src/main.rs.
use std::error::Error;
use ethers::prelude::*;
use block_bid_watcher::relay_clients::RelayClients;
#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
// Initialize RelayClients with URLs
let mut relay_clients = RelayClients::new(vec![
"https://relay.ultrasound.money".to_string(),
"https://agnostic-relay.net".to_string(),
"https://boost-relay.flashbots.net".to_string(),
]);
let mut bid_manager_receiver = relay_clients.bid_manager.subscribe_to_top_bids().await;
// Spawn a task to handle received messages from the bid manager
tokio::spawn(async move {
while let Some(data) = bid_manager_receiver.recv().await {
println!("New Highest Bid: {}", data);
}
});
// Connect to the WebSocket provider
let provider = Provider::<Ws>::connect("wss://go.getblock.io/<your_access_token_here>").await?;
// Subscribe to new blocks
let mut block_stream = provider.subscribe_blocks().await?;
// Process new blocks as they come in
while let Some(block) = block_stream.next().await {
let block_number = block.number.expect("Block number not found in new block");
println!("New block: {}", block_number);
// Poll for each new block
relay_clients
.poll_for(block_number + U64::one(), 1, 12)
.await
}
Ok(())
}Ultrasound.money does not use any Content Delivery Networks (CDNs). A quick DNS query give the IP address 147.135.143.8, which is located in France. Detailed info is as follows:
"query": "147.135.143.8",
"continent": "Europe",
"continentCode": "EU",
"country": "France",
"countryCode": "FR",
"region": "HDF",
"regionName": "Hauts-de-France",
"city": "Roubaix",
"district": "",
"zip": "59100",
"lat": 50.6916,
"lon": 3.20151,
"timezone": "Europe/Paris",
"offset": 3600,
"currency": "EUR",
"isp": "OVH SAS",
"org": "OVH",
"as": "AS16276 OVH SAS",
"asname": "OVH",
"mobile": false,
"proxy": false,
"hosting": true
}
The Agnostic relay, which also does not use CDNs, has its the IP 13.38.156.156. This IP corresponds to an AWS instance based in France:
{
"query": "13.38.156.156",
"continent": "Europe",
"continentCode": "EU",
"country": "France",
"countryCode": "FR",
"region": "IDF",
"regionName": "Île-de-France",
"city": "Paris",
"district": "",
"zip": "75000",
"lat": 48.8566,
"lon": 2.35222,
"timezone": "Europe/Paris",
"offset": 3600,
"currency": "EUR",
"isp": "Amazon Technologies Inc.",
"org": "AWS EC2 (eu-west-3)",
"as": "AS16509 Amazon.com, Inc.",
"asname": "AMAZON-02",
"mobile": false,
"proxy": false,
"hosting": true
}
The IP for mainnet.aestus.live is 57.128.162.97. This IP does not use CDNs, and the server is located in the UK. Here are the details:
{
"query": "57.128.162.97",
"continent": "Europe",
"continentCode": "EU",
"country": "United Kingdom",
"countryCode": "GB",
"region": "ENG",
"regionName": "England",
"city": "Rainham",
"district": "",
"zip": "RM13",
"lat": 51.5177,
"lon": 0.194831,
"timezone": "Europe/London",
"offset": 0,
"currency": "GBP",
"isp": "OVH SAS",
"org": "OVH Ltd",
"as": "AS16276 OVH SAS",
"asname": "OVH",
"mobile": true,
"proxy": false,
"hosting": true
}
The IP addresses for mainnet-relay.securerpc.com are 15.204.142.24, 15.204.196.74, 15.204.196.75, 15.204.208.26, 15.204.196.73. All these IPs are located in North America.