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[package] | ||
name = "minimal" | ||
version = "0.0.0" | ||
publish = false | ||
edition.workspace = true | ||
license.workspace = true | ||
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[dependencies] | ||
reth.workspace = true | ||
reth-exex.workspace = true | ||
reth-node-api.workspace = true | ||
reth-node-core.workspace = true | ||
reth-node-ethereum.workspace = true | ||
reth-primitives.workspace = true | ||
reth-provider.workspace = true | ||
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eyre.workspace = true | ||
tokio.workspace = true | ||
futures.workspace = true |
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use std::{ | ||
pin::Pin, | ||
task::{Context, Poll}, | ||
}; | ||
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use futures::Future; | ||
use reth::builder::FullNodeTypes; | ||
use reth_exex::{ExExContext, ExExEvent}; | ||
use reth_node_ethereum::EthereumNode; | ||
use reth_provider::CanonStateNotification; | ||
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struct MinimalExEx<Node: FullNodeTypes> { | ||
ctx: ExExContext<Node>, | ||
} | ||
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impl<Node: FullNodeTypes> Future for MinimalExEx<Node> { | ||
type Output = eyre::Result<()>; | ||
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fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { | ||
let this = self.get_mut(); | ||
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// Process all new chain state notifications until there are no more | ||
while let Poll::Ready(Some(notification)) = this.ctx.notifications.poll_recv(cx) { | ||
// Process one notification | ||
match ¬ification { | ||
CanonStateNotification::Commit { new } => { | ||
println!("Received commit: {:?}", new.first().number..=new.tip().number); | ||
} | ||
CanonStateNotification::Reorg { old, new } => { | ||
println!( | ||
"Received reorg: {:?} -> {:?}", | ||
old.first().number..=old.tip().number, | ||
new.first().number..=new.tip().number | ||
); | ||
} | ||
}; | ||
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// Send a finished height event, signaling the node that we don't need any blocks below | ||
// this height anymore | ||
this.ctx.events.send(ExExEvent::FinishedHeight(notification.tip().number))?; | ||
} | ||
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Poll::Pending | ||
} | ||
} | ||
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fn main() -> eyre::Result<()> { | ||
reth::cli::Cli::parse_args().run(|builder, _| async move { | ||
let handle = builder | ||
.node(EthereumNode::default()) | ||
.install_exex("Optimism", move |ctx| futures::future::ok(MinimalExEx { ctx })) | ||
.launch() | ||
.await?; | ||
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handle.wait_for_node_exit().await | ||
}) | ||
} |