hotfix: Use dummy env and dummy keys

Don't merge into master!

Author: uncomputable

src/components/run_window/transaction_tab.rs

@@ -23,10 +23,11 @@ impl TxEnv {
         let params = create_rw_signal(params);
         let lazy_cmr = program.lazy_cmr;
         let lazy_env = Signal::derive(move || {
-            with!(|params, lazy_cmr| match lazy_cmr {
-                Ok(cmr) => params.tx_env(*cmr),
-                Err(..) => params.tx_env(simplicity::Cmr::unit()),
-            })
+            //with!(|params, lazy_cmr| match lazy_cmr {
+            //    Ok(cmr) => params.tx_env(*cmr),
+            //    Err(..) => params.tx_env(simplicity::Cmr::unit()),
+            //})
+            simfony::dummy_env::dummy()
         });
         Self { params, lazy_env }
     }

src/util.rs

@@ -20,9 +20,14 @@ pub struct SigningKeys {
 
 impl SigningKeys {
     pub fn new(random_seed: U256) -> Self {
-        let mut rng = rand::rngs::StdRng::from_seed(random_seed.to_byte_array());
-        let secret_keys =
-            std::array::from_fn(|_| secp256k1::Keypair::new(secp256k1::SECP256K1, &mut rng));
+        // let mut rng = rand::rngs::StdRng::from_seed(random_seed.to_byte_array());
+        let secret_keys = std::array::from_fn(|index: usize| {
+            let mut secret_key_bytes = [0u8; 32];
+            secret_key_bytes[31] = (index as u8) + 1; // safety: index < 26
+            let secret_key = secp256k1::SecretKey::from_slice(&secret_key_bytes)
+                .expect("secret key should be valid");
+            secp256k1::Keypair::from_secret_key(secp256k1::SECP256K1, &secret_key)
+        });
         let public_keys = std::array::from_fn(|index| secret_keys[index].x_only_public_key().0);
         Self {
             random_seed,