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Switch trie cache random seed #1935

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merged 2 commits into from
Oct 20, 2023
Merged

Switch trie cache random seed #1935

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12d8d41
More random hashset seed
cheme Oct 18, 2023
d21ee77
fix and rev fmt
cheme Oct 18, 2023
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1 change: 1 addition & 0 deletions Cargo.lock
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2 changes: 2 additions & 0 deletions substrate/primitives/trie/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ lazy_static = { version = "1.4.0", optional = true }
memory-db = { version = "0.32.0", default-features = false }
nohash-hasher = { version = "0.2.0", optional = true }
parking_lot = { version = "0.12.1", optional = true }
rand = { version = "0.8", optional = true }
scale-info = { version = "2.5.0", default-features = false, features = ["derive"] }
thiserror = { version = "1.0.48", optional = true }
tracing = { version = "0.1.29", optional = true }
Expand Down Expand Up @@ -53,6 +54,7 @@ std = [
"memory-db/std",
"nohash-hasher",
"parking_lot",
"rand",
"scale-info/std",
"schnellru",
"sp-core/std",
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6 changes: 5 additions & 1 deletion substrate/primitives/trie/src/cache/shared_cache.rs
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Expand Up @@ -30,7 +30,11 @@ use std::{
use trie_db::{node::NodeOwned, CachedValue};

lazy_static::lazy_static! {
static ref RANDOM_STATE: ahash::RandomState = ahash::RandomState::default();
static ref RANDOM_STATE: ahash::RandomState = {
use rand::Rng;
let mut rng = rand::thread_rng();
ahash::RandomState::generate_with(rng.gen(), rng.gen(), rng.gen(), rng.gen())
};
}

pub struct SharedNodeCacheLimiter {
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