43 lines
1.7 KiB
Rust
43 lines
1.7 KiB
Rust
use eyre::Result;
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// From helios::config
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use config::{checkpoints, networks};
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#[tokio::main]
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async fn main() -> Result<()> {
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// Construct the checkpoint fallback services.
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// The `build` method will fetch a list of [CheckpointFallbackService]s from a community-mainained list by ethPandaOps.
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// This list is NOT guaranteed to be secure, but is provided in good faith.
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// The raw list can be found here: https://github.com/ethpandaops/checkpoint-sync-health-checks/blob/master/_data/endpoints.yaml
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let cf = checkpoints::CheckpointFallback::new()
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.build()
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.await
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.unwrap();
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// Fetch the latest goerli checkpoint
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let goerli_checkpoint = cf
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.fetch_latest_checkpoint(&networks::Network::GOERLI)
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.await
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.unwrap();
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println!("Fetched latest goerli checkpoint: {goerli_checkpoint}");
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// Fetch the latest mainnet checkpoint
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let mainnet_checkpoint = cf
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.fetch_latest_checkpoint(&networks::Network::MAINNET)
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.await
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.unwrap();
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println!("Fetched latest mainnet checkpoint: {mainnet_checkpoint}");
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// Let's get a list of all the fallback service endpoints for mainnet
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let endpoints = cf.get_all_fallback_endpoints(&networks::Network::MAINNET);
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println!("Fetched all mainnet fallback endpoints: {endpoints:?}");
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// Since we built the checkpoint fallback services, we can also just get the raw checkpoint fallback services.
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// The `get_fallback_services` method returns a reference to the internal list of CheckpointFallbackService objects
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// for the given network.
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let services = cf.get_fallback_services(&networks::Network::MAINNET);
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println!("Fetched all mainnet fallback services: {services:?}");
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Ok(())
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}
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