reth_node_core/args/
engine.rs

1//! clap [Args](clap::Args) for engine purposes
2
3use clap::Args;
4use reth_engine_primitives::{TreeConfig, DEFAULT_MULTIPROOF_TASK_CHUNK_SIZE};
5
6use crate::node_config::{
7    DEFAULT_CROSS_BLOCK_CACHE_SIZE_MB, DEFAULT_MEMORY_BLOCK_BUFFER_TARGET,
8    DEFAULT_PERSISTENCE_THRESHOLD, DEFAULT_RESERVED_CPU_CORES,
9};
10
11/// Parameters for configuring the engine driver.
12#[derive(Debug, Clone, Args, PartialEq, Eq)]
13#[command(next_help_heading = "Engine")]
14pub struct EngineArgs {
15    /// Configure persistence threshold for engine experimental.
16    #[arg(long = "engine.persistence-threshold", default_value_t = DEFAULT_PERSISTENCE_THRESHOLD)]
17    pub persistence_threshold: u64,
18
19    /// Configure the target number of blocks to keep in memory.
20    #[arg(long = "engine.memory-block-buffer-target", default_value_t = DEFAULT_MEMORY_BLOCK_BUFFER_TARGET)]
21    pub memory_block_buffer_target: u64,
22
23    /// Enable legacy state root
24    #[arg(long = "engine.legacy-state-root", default_value = "false")]
25    pub legacy_state_root_task_enabled: bool,
26
27    /// CAUTION: This CLI flag has no effect anymore, use --engine.disable-caching-and-prewarming
28    /// if you want to disable caching and prewarming
29    #[arg(long = "engine.caching-and-prewarming", default_value = "true", hide = true)]
30    #[deprecated]
31    pub caching_and_prewarming_enabled: bool,
32
33    /// Disable parallel prewarming
34    #[arg(long = "engine.disable-prewarming", alias = "engine.disable-caching-and-prewarming")]
35    pub prewarming_disabled: bool,
36
37    /// CAUTION: This CLI flag has no effect anymore, use --engine.disable-parallel-sparse-trie
38    /// if you want to disable usage of the `ParallelSparseTrie`.
39    #[deprecated]
40    #[arg(long = "engine.parallel-sparse-trie", default_value = "true", hide = true)]
41    pub parallel_sparse_trie_enabled: bool,
42
43    /// Disable the parallel sparse trie in the engine.
44    #[arg(long = "engine.disable-parallel-sparse-trie", default_value = "false")]
45    pub parallel_sparse_trie_disabled: bool,
46
47    /// Enable state provider latency metrics. This allows the engine to collect and report stats
48    /// about how long state provider calls took during execution, but this does introduce slight
49    /// overhead to state provider calls.
50    #[arg(long = "engine.state-provider-metrics", default_value = "false")]
51    pub state_provider_metrics: bool,
52
53    /// Configure the size of cross-block cache in megabytes
54    #[arg(long = "engine.cross-block-cache-size", default_value_t = DEFAULT_CROSS_BLOCK_CACHE_SIZE_MB)]
55    pub cross_block_cache_size: u64,
56
57    /// Enable comparing trie updates from the state root task to the trie updates from the regular
58    /// state root calculation.
59    #[arg(long = "engine.state-root-task-compare-updates")]
60    pub state_root_task_compare_updates: bool,
61
62    /// Enables accepting requests hash instead of an array of requests in `engine_newPayloadV4`.
63    #[arg(long = "engine.accept-execution-requests-hash")]
64    pub accept_execution_requests_hash: bool,
65
66    /// Whether multiproof task should chunk proof targets.
67    #[arg(long = "engine.multiproof-chunking", default_value = "true")]
68    pub multiproof_chunking_enabled: bool,
69
70    /// Multiproof task chunk size for proof targets.
71    #[arg(long = "engine.multiproof-chunk-size", default_value_t = DEFAULT_MULTIPROOF_TASK_CHUNK_SIZE)]
72    pub multiproof_chunk_size: usize,
73
74    /// Configure the number of reserved CPU cores for non-reth processes
75    #[arg(long = "engine.reserved-cpu-cores", default_value_t = DEFAULT_RESERVED_CPU_CORES)]
76    pub reserved_cpu_cores: usize,
77
78    /// CAUTION: This CLI flag has no effect anymore, use --engine.disable-precompile-cache
79    /// if you want to disable precompile cache
80    #[arg(long = "engine.precompile-cache", default_value = "true", hide = true)]
81    #[deprecated]
82    pub precompile_cache_enabled: bool,
83
84    /// Disable precompile cache
85    #[arg(long = "engine.disable-precompile-cache", default_value = "false")]
86    pub precompile_cache_disabled: bool,
87
88    /// Enable state root fallback, useful for testing
89    #[arg(long = "engine.state-root-fallback", default_value = "false")]
90    pub state_root_fallback: bool,
91
92    /// Always process payload attributes and begin a payload build process even if
93    /// `forkchoiceState.headBlockHash` is already the canonical head or an ancestor. See
94    /// `TreeConfig::always_process_payload_attributes_on_canonical_head` for more details.
95    ///
96    /// Note: This is a no-op on OP Stack.
97    #[arg(
98        long = "engine.always-process-payload-attributes-on-canonical-head",
99        default_value = "false"
100    )]
101    pub always_process_payload_attributes_on_canonical_head: bool,
102
103    /// Allow unwinding canonical header to ancestor during forkchoice updates.
104    /// See `TreeConfig::unwind_canonical_header` for more details.
105    #[arg(long = "engine.allow-unwind-canonical-header", default_value = "false")]
106    pub allow_unwind_canonical_header: bool,
107
108    /// Configure the number of storage proof workers in the Tokio blocking pool.
109    /// If not specified, defaults to 2x available parallelism, clamped between 2 and 64.
110    #[arg(long = "engine.storage-worker-count")]
111    pub storage_worker_count: Option<usize>,
112
113    /// Configure the number of account proof workers in the Tokio blocking pool.
114    /// If not specified, defaults to the same count as storage workers.
115    #[arg(long = "engine.account-worker-count")]
116    pub account_worker_count: Option<usize>,
117}
118
119#[allow(deprecated)]
120impl Default for EngineArgs {
121    fn default() -> Self {
122        Self {
123            persistence_threshold: DEFAULT_PERSISTENCE_THRESHOLD,
124            memory_block_buffer_target: DEFAULT_MEMORY_BLOCK_BUFFER_TARGET,
125            legacy_state_root_task_enabled: false,
126            state_root_task_compare_updates: false,
127            caching_and_prewarming_enabled: true,
128            prewarming_disabled: false,
129            parallel_sparse_trie_enabled: true,
130            parallel_sparse_trie_disabled: false,
131            state_provider_metrics: false,
132            cross_block_cache_size: DEFAULT_CROSS_BLOCK_CACHE_SIZE_MB,
133            accept_execution_requests_hash: false,
134            multiproof_chunking_enabled: true,
135            multiproof_chunk_size: DEFAULT_MULTIPROOF_TASK_CHUNK_SIZE,
136            reserved_cpu_cores: DEFAULT_RESERVED_CPU_CORES,
137            precompile_cache_enabled: true,
138            precompile_cache_disabled: false,
139            state_root_fallback: false,
140            always_process_payload_attributes_on_canonical_head: false,
141            allow_unwind_canonical_header: false,
142            storage_worker_count: None,
143            account_worker_count: None,
144        }
145    }
146}
147
148impl EngineArgs {
149    /// Creates a [`TreeConfig`] from the engine arguments.
150    pub fn tree_config(&self) -> TreeConfig {
151        let mut config = TreeConfig::default()
152            .with_persistence_threshold(self.persistence_threshold)
153            .with_memory_block_buffer_target(self.memory_block_buffer_target)
154            .with_legacy_state_root(self.legacy_state_root_task_enabled)
155            .without_prewarming(self.prewarming_disabled)
156            .with_disable_parallel_sparse_trie(self.parallel_sparse_trie_disabled)
157            .with_state_provider_metrics(self.state_provider_metrics)
158            .with_always_compare_trie_updates(self.state_root_task_compare_updates)
159            .with_cross_block_cache_size(self.cross_block_cache_size * 1024 * 1024)
160            .with_multiproof_chunking_enabled(self.multiproof_chunking_enabled)
161            .with_multiproof_chunk_size(self.multiproof_chunk_size)
162            .with_reserved_cpu_cores(self.reserved_cpu_cores)
163            .without_precompile_cache(self.precompile_cache_disabled)
164            .with_state_root_fallback(self.state_root_fallback)
165            .with_always_process_payload_attributes_on_canonical_head(
166                self.always_process_payload_attributes_on_canonical_head,
167            )
168            .with_unwind_canonical_header(self.allow_unwind_canonical_header);
169
170        if let Some(count) = self.storage_worker_count {
171            config = config.with_storage_worker_count(count);
172        }
173
174        if let Some(count) = self.account_worker_count {
175            config = config.with_account_worker_count(count);
176        }
177
178        config
179    }
180}
181
182#[cfg(test)]
183mod tests {
184    use super::*;
185    use clap::Parser;
186
187    /// A helper type to parse Args more easily
188    #[derive(Parser)]
189    struct CommandParser<T: Args> {
190        #[command(flatten)]
191        args: T,
192    }
193
194    #[test]
195    fn test_parse_engine_args() {
196        let default_args = EngineArgs::default();
197        let args = CommandParser::<EngineArgs>::parse_from(["reth"]).args;
198        assert_eq!(args, default_args);
199    }
200}