feat(nbstore): add sqlite implementation (#8811)

packages/common/native/Cargo.toml

@@ -10,3 +10,8 @@ sha3   = { workspace = true }
 
 [dev-dependencies]
 rayon = { workspace = true }
+criterion2    = { workspace = true }
+
+[[bench]]
+name    = "hashcash"
+harness = false

packages/common/native/benches/hashcash.rs

@@ -0,0 +1,28 @@
+use std::hint::black_box;
+
+use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
+
+use affine_common::hashcash::Stamp;
+
+fn bench_hashcash(c: &mut Criterion) {
+  let mut group = c.benchmark_group("hashcash");
+
+  group.bench_function(BenchmarkId::from_parameter("Generate"), |b| {
+    b.iter(|| {
+      black_box(Stamp::mint("test".to_string(), Some(20)).format());
+    });
+  });
+
+  group.bench_function(BenchmarkId::from_parameter("Verify"), |b| {
+    b.iter(|| {
+      black_box(
+        Stamp::try_from("1:20:20241114061212:test::RsRAAkoxjr4FattQ:292f0d")
+          .unwrap()
+          .check(20, "test"),
+      );
+    });
+  });
+}
+
+criterion_group!(benches, bench_hashcash);
+criterion_main!(benches);