feat: activate prague always

Author: onbjerg

Cargo.lock

@@ -72,6 +72,7 @@ tokio = { version = "1.21", default-features = false }
 # reth
 reth = { git = "https://github.com/paradigmxyz/reth.git", rev = "e4b5325" }
 reth-chainspec = { git = "https://github.com/paradigmxyz/reth.git", rev = "e4b5325" }
+reth-cli = { git = "https://github.com/paradigmxyz/reth.git", rev = "e4b5325" }
 reth-cli-util = { git = "https://github.com/paradigmxyz/reth.git", rev = "e4b5325" }
 reth-node-api = { git = "https://github.com/paradigmxyz/reth.git", rev = "e4b5325" }
 reth-node-builder = { git = "https://github.com/paradigmxyz/reth.git", rev = "e4b5325" }

Cargo.toml

@@ -23,10 +23,10 @@
 //! - `min-debug-logs`: Disables all logs below `debug` level.
 //! - `min-trace-logs`: Disables all logs below `trace` level.
 
-use alphanet_node::node::AlphaNetNode;
+use alphanet_node::{chainspec::AlphanetChainSpecParser, node::AlphaNetNode};
 use clap::Parser;
 use reth_node_optimism::args::RollupArgs;
-use reth_optimism_cli::{chainspec::OpChainSpecParser, Cli};
+use reth_optimism_cli::Cli;
 use reth_optimism_rpc::eth::rpc::SequencerClient;
 
 // We use jemalloc for performance reasons.
@@ -45,7 +45,7 @@ fn main() {
     }
 
     if let Err(err) =
-        Cli::<OpChainSpecParser, RollupArgs>::parse().run(|builder, rollup_args| async move {
+        Cli::<AlphanetChainSpecParser, RollupArgs>::parse().run(|builder, rollup_args| async move {
             let node = builder
                 .node(AlphaNetNode::new(rollup_args.clone()))
                 .extend_rpc_modules(move |ctx| {

bin/alphanet/src/main.rs

@@ -12,6 +12,7 @@ categories.workspace = true
 [dependencies]
 alphanet-precompile.workspace = true
 reth.workspace = true
+reth-cli.workspace = true
 reth-node-api.workspace = true
 reth-node-optimism.workspace = true
 reth-chainspec.workspace = true

crates/node/Cargo.toml

@@ -0,0 +1,27 @@
+//! Alphanet chainspec parsing logic.
+
+use reth::{chainspec::ChainSpec, core::args::utils::parse_custom_chain_spec};
+use reth_chainspec::{EthereumHardfork, ForkCondition};
+use reth_cli::chainspec::ChainSpecParser;
+use std::sync::Arc;
+
+/// Alphanet chain specification parser.
+#[derive(Debug, Clone, Default)]
+pub struct AlphanetChainSpecParser;
+
+impl ChainSpecParser for AlphanetChainSpecParser {
+    type ChainSpec = ChainSpec;
+
+    const SUPPORTED_CHAINS: &'static [&'static str] = &[];
+
+    fn parse(s: &str) -> eyre::Result<Arc<Self::ChainSpec>> {
+        let mut chainspec = parse_custom_chain_spec(s)?;
+
+        // NOTE(onbjerg): This is a temporary workaround until we figure out a better way to
+        // activate Prague based on a custom fork name. Currently there does not seem to be a good
+        // way to do it.
+        chainspec.hardforks.insert(EthereumHardfork::Prague, ForkCondition::Timestamp(0));
+
+        Ok(Arc::new(chainspec))
+    }
+}

crates/node/src/chainspec.rs

@@ -15,5 +15,6 @@
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
 #![warn(unused_crate_dependencies)]
 
+pub mod chainspec;
 pub mod evm;
 pub mod node;