contrib: migrate benchmarks from nightly libtest to criterion

Cargo.toml

@@ -1,47 +1,51 @@
 [workspace]
 members = [
-    "crates/*",
+  "crates/*",
 
-    # Nostr SDK
-    "sdk",
+  # Nostr SDK
+  "sdk",
 
-    # Nostr Database
-    "database/nostr-database",
-    "database/nostr-database-test-suite",
-    "database/nostr-lmdb",
-    "database/nostr-memory",
-    "database/nostr-ndb",
-    "database/nostr-sqlite",
+  # Nostr Database
+  "database/nostr-database",
+  "database/nostr-database-test-suite",
+  "database/nostr-lmdb",
+  "database/nostr-memory",
+  "database/nostr-ndb",
+  "database/nostr-sqlite",
 
-    # Gossip
-    "gossip/nostr-gossip",
-    "gossip/nostr-gossip-memory",
-    "gossip/nostr-gossip-sqlite",
-    "gossip/nostr-gossip-test-suite",
+  # Gossip
+  "gossip/nostr-gossip",
+  "gossip/nostr-gossip-memory",
+  "gossip/nostr-gossip-sqlite",
+  "gossip/nostr-gossip-test-suite",
 
-    # Remote File Storage implementations
-    "rfs/nostr-blossom",
-    "rfs/nostr-http-file-storage",
+  # Remote File Storage implementations
+  "rfs/nostr-blossom",
+  "rfs/nostr-http-file-storage",
 
-    # Signers
-    "signer/nostr-browser-signer",
-    "signer/nostr-browser-signer-proxy",
-    "signer/nostr-connect",
+  # Signers
+  "signer/nostr-browser-signer",
+  "signer/nostr-browser-signer-proxy",
+  "signer/nostr-connect",
+  "benches",
 ]
 default-members = ["crates/*"]
 resolver = "2"
 
 [workspace.package]
 edition = "2024"
-authors = ["Yuki Kishimoto <yukikishimoto@protonmail.com>", "Rust Nostr Developers"]
+authors = [
+  "Yuki Kishimoto <yukikishimoto@protonmail.com>",
+  "Rust Nostr Developers",
+]
 homepage = "https://github.com/rust-nostr/nostr"
 repository = "https://github.com/rust-nostr/nostr.git"
 license = "MIT"
 rust-version = "1.85.0"
 
 [workspace.dependencies]
 async-utility = "0.3"
-async-wsocket = {  git = "https://github.com/shadowylab/async-wsocket", rev = "0fed6c9c6aec7393ee0e9cf3933d76914ab427d3" }
+async-wsocket = { git = "https://github.com/shadowylab/async-wsocket", rev = "0fed6c9c6aec7393ee0e9cf3933d76914ab427d3" }
 atomic-destructor = { version = "0.3", default-features = false }
 base64 = { version = "0.22", default-features = false }
 btreecap = "0.1"

benches/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "benches"
+version = "0.0.0"
+edition.workspace = true
+authors.workspace = true
+license.workspace = true
+publish = false
+autobins = false
+
+[dependencies]
+criterion = { version = "0.7", features = ["html_reports"] }
+nostr = { workspace = true, features = ["std", "os-rng"] }
+nostr-sdk.workspace = true
+nostr-database = { workspace = true, features = ["flatbuf"] }
+tokio.workspace = true
+
+[[bench]]
+name = "bench_main"
+path = "src/main.rs"
+harness = false
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bench)'] }

benches/src/database.rs

@@ -0,0 +1,48 @@
+// Copyright (c) 2022-2023 Yuki Kishimoto
+// Copyright (c) 2023-2025 Rust Nostr Developers
+// Distributed under the MIT software license
+
+use std::hint::black_box;
+
+use criterion::Criterion;
+use nostr::prelude::*;
+use nostr_database::flatbuffers::FlatBufferDecodeBorrowed;
+use nostr_database::{FlatBufferBuilder, FlatBufferEncode};
+
+pub fn decode_flatbuf_event_borrow(c: &mut Criterion) {
+    let json = r#"{
+              "content": "+",
+              "created_at": 1716508454,
+              "id": "3e9e9c2fbf263590860a9c60a7de6b0d166230a5a15aa8dcdb70f537cec9807a",
+              "kind": 7,
+              "pubkey": "3bbddb5c7233ad993b41cb639e63122120f391b8580a9b83aae33c648230e0a3",
+              "sig": "3f2ba6d713e4851500b81de2d2ef44b72f1eff061898bf8488e74f7e4ed141b0dadab4c3a9c6b237f3a6db83171bd41eafd7ab973f6fb067a4305e95abeadeee",
+              "tags": [
+                [
+                  "e",
+                  "e1e786c60ed884b6e784712aaf70e63b848b7403ef651b52b701d87739ea1808",
+                  "",
+                  "",
+                  "04c915daefee38317fa734444acee390a8269fe5810b2241e5e6dd343dfbecc9"
+                ],
+                [
+                  "p",
+                  "04c915daefee38317fa734444acee390a8269fe5810b2241e5e6dd343dfbecc9"
+                ]
+              ]
+            }"#;
+    let event = Event::from_json(json).unwrap();
+
+    let mut fbb = FlatBufferBuilder::new();
+    let bytes = event.encode(&mut fbb);
+
+    c.bench_function("decode_flatbuf_event_borrow", |bh| {
+        bh.iter(|| {
+            black_box(EventBorrow::decode(bytes)).unwrap();
+        })
+    });
+}
+
+pub fn benches(c: &mut Criterion) {
+    decode_flatbuf_event_borrow(c);
+}