From 76d50f336c59619812c68eeb52de78f9995b8ab0 Mon Sep 17 00:00:00 2001
From: Dmitry Vagner <typecat@Dmitrys-MacBook-Pro.local>
Date: Mon, 19 Sep 2022 18:38:43 -0700
Subject: [PATCH] duplicate macro, test skeleton

---
 evm/src/cpu/kernel/asm/util/basic_macros.asm |  7 -----
 evm/src/cpu/kernel/tests/ripemd.rs           | 27 ++++++++++++++++++++
 2 files changed, 27 insertions(+), 7 deletions(-)
 create mode 100644 evm/src/cpu/kernel/tests/ripemd.rs

diff --git a/evm/src/cpu/kernel/asm/util/basic_macros.asm b/evm/src/cpu/kernel/asm/util/basic_macros.asm
index bac1381c..232cb055 100644
--- a/evm/src/cpu/kernel/asm/util/basic_macros.asm
+++ b/evm/src/cpu/kernel/asm/util/basic_macros.asm
@@ -154,13 +154,6 @@
     // stack: input >= c, ...
 %endmacro
 
-%macro and_const(c)
-    // stack: x
-    PUSH $c
-    AND
-    // stack: c & x
-%endmacro
-
 %macro consume_gas_const(c)
     PUSH $c
     CONSUME_GAS
diff --git a/evm/src/cpu/kernel/tests/ripemd.rs b/evm/src/cpu/kernel/tests/ripemd.rs
new file mode 100644
index 00000000..0c90b430
--- /dev/null
+++ b/evm/src/cpu/kernel/tests/ripemd.rs
@@ -0,0 +1,27 @@
+use std::str::FromStr;
+
+use anyhow::Result;
+use ethereum_types::U256;
+use rand::{thread_rng, Rng};
+use sha2::{Digest, Sha256};
+
+use crate::cpu::kernel::aggregator::combined_kernel;
+use crate::cpu::kernel::interpreter::run;
+
+#[test]
+fn test_ripemd() -> Result<()> {
+    let kernel = combined_kernel();
+    let ripemd = kernel.global_labels["ripemd"];
+
+    let mut initial_stack = vec![U256::from(num_bytes)];
+    initial_stack.extend(bytes);
+
+    let after_ripemd = run(&kernel.code, ripemd, initial_stack, &kernel.prover_inputs)?;
+    let result = after_ripemd.stack()[1];
+    let actual = format!("{:X}", result);
+
+    EXPECTED = "0xf71c27109c692c1b56bbdceb5b9d2865b3708dbc"
+    assert_eq!(EXPECTED, actual);
+
+    Ok(())
+}