Merge pull request #3075 from stacks-network/feat/c32-optimizations

Feat/c32 optimizations

Cargo.toml

@@ -44,6 +44,10 @@ harness = false
 name = "block_limits"
 harness = false
 
+[[bench]]
+name = "c32_bench"
+harness = false
+
 [dependencies]
 rand = "0.7.3"
 rand_chacha = "=0.2.2"

benches/c32_bench.rs

@@ -0,0 +1,35 @@
+extern crate blockstack_lib;
+extern crate criterion;
+extern crate rand;
+
+use blockstack_lib::address::c32::{c32_address, c32_address_decode};
+use blockstack_lib::address::c32_old::c32_address_decode as c32_address_decode_old;
+use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
+use rand::Rng;
+
+fn bench_c32_decoding(c: &mut Criterion) {
+    let mut group = c.benchmark_group("C32 Decoding");
+
+    let mut addrs: Vec<String> = vec![];
+    for _ in 0..5 {
+        // random version
+        let random_version: u8 = rand::thread_rng().gen_range(0, 31);
+        // random 20 bytes
+        let random_bytes = rand::thread_rng().gen::<[u8; 20]>();
+        let addr = c32_address(random_version, &random_bytes).unwrap();
+        addrs.push(addr);
+    }
+
+    for addr in addrs.iter() {
+        group.bench_with_input(BenchmarkId::new("Legacy", addr), addr, |b, i| {
+            b.iter(|| c32_address_decode_old(i))
+        });
+        group.bench_with_input(BenchmarkId::new("Updated", addr), addr, |b, i| {
+            b.iter(|| c32_address_decode(i))
+        });
+    }
+    group.finish();
+}
+
+criterion_group!(benches, bench_c32_decoding);
+criterion_main!(benches);