tests

Author: vsubhuman

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "cardano-serialization-lib",
-  "version": "11.0.0-rc.5",
+  "version": "11.0.0-rc.6",
   "description": "(De)serialization functions for the Cardano blockchain along with related utility functions",
   "scripts": {
     "rust:build-nodejs": "(rimraf ./rust/pkg && cd rust; wasm-pack build --target=nodejs; wasm-pack pack) && npm run js:flowgen",

package.json

@@ -1,6 +1,6 @@
 [package]
 name = "cardano-serialization-lib"
-version = "11.0.0-rc.5"
+version = "11.0.0-rc.6"
 edition = "2018"
 authors = ["EMURGO"]
 license = "MIT"

rust/Cargo.lock

@@ -5953,6 +5953,9 @@ declare export class TransactionBuilder {
    * in the builder to be used when building the tx body.
    * In case there are no plutus input witnesses present - nothing will change
    * You can set specific hash value using `.set_script_data_hash`
+   * NOTE: this function will check which language versions are used in the present scripts
+   * and will assert and require for a corresponding cost-model to be present in the passed map.
+   * Only the cost-models for the present language versions will be used in the hash calculation.
    * @param {Costmdls} cost_models
    */
   calc_script_data_hash(cost_models: Costmdls): void;
@@ -6727,16 +6730,6 @@ declare export class TxBuilderConstants {
    * @returns {Costmdls}
    */
   static plutus_vasil_cost_models(): Costmdls;
-
-  /**
-   * @returns {Costmdls}
-   */
-  static plutus_vasil_cost_models_v1_only(): Costmdls;
-
-  /**
-   * @returns {Costmdls}
-   */
-  static plutus_vasil_cost_models_v2_only(): Costmdls;
 }
 /**
  */

rust/Cargo.toml

@@ -1420,6 +1420,9 @@ impl TransactionBuilder {
     /// in the builder to be used when building the tx body.
     /// In case there are no plutus input witnesses present - nothing will change
     /// You can set specific hash value using `.set_script_data_hash`
+    /// NOTE: this function will check which language versions are used in the present scripts
+    /// and will assert and require for a corresponding cost-model to be present in the passed map.
+    /// Only the cost-models for the present language versions will be used in the hash calculation.
     pub fn calc_script_data_hash(&mut self, cost_models: &Costmdls) -> Result<(), JsError> {
         let mut retained_cost_models = Costmdls::new();
         if let Some(pw) = self.inputs.get_plutus_input_scripts() {
@@ -6010,5 +6013,77 @@ mod tests {
         assert!(tx_builder.total_collateral.is_none());
         assert!(tx_builder.collateral_return.is_none());
     }
+
+    #[test]
+    fn test_costmodel_retaining_for_v1() {
+        let mut tx_builder = create_reallistic_tx_builder();
+        tx_builder.set_fee(&to_bignum(42));
+        tx_builder.set_collateral(&create_collateral());
+
+        let (script1, _) = plutus_script_and_hash(0);
+        let datum = PlutusData::new_integer(&BigInt::from_str("42").unwrap());
+        let redeemer = Redeemer::new(
+            &RedeemerTag::new_spend(),
+            &to_bignum(0),
+            &datum,
+            &ExUnits::new(&to_bignum(1700), &to_bignum(368100)),
+        );
+        tx_builder.add_plutus_script_input(
+            &PlutusWitness::new(&script1, &datum, &redeemer),
+            &TransactionInput::new(&genesis_id(), 0),
+            &Value::new(&to_bignum(1_000_000)),
+        );
+
+        // Setting script data hash removes the error
+        tx_builder.calc_script_data_hash(
+            &TxBuilderConstants::plutus_vasil_cost_models(),
+        ).unwrap();
+
+        // Using SAFE `.build_tx`
+        let res2 = tx_builder.build_tx();
+        assert!(res2.is_ok());
+
+        let v1 = Language::new_plutus_v1();
+        let v1_costmodel = TxBuilderConstants::plutus_vasil_cost_models().get(&v1).unwrap();
+        let mut retained_cost_models = Costmdls::new();
+        retained_cost_models.insert(&v1, &v1_costmodel);
+
+        let data_hash = hash_script_data(
+            &Redeemers::from(vec![redeemer.clone()]),
+            &retained_cost_models,
+            Some(PlutusList::from(vec![datum])),
+        );
+        assert_eq!(tx_builder.script_data_hash.unwrap(), data_hash);
+    }
+
+    #[test]
+    fn test_costmodel_retaining_fails_on_missing_costmodel() {
+        let mut tx_builder = create_reallistic_tx_builder();
+        tx_builder.set_fee(&to_bignum(42));
+        tx_builder.set_collateral(&create_collateral());
+
+        let (script1, _) = plutus_script_and_hash(0);
+        let datum = PlutusData::new_integer(&BigInt::from_str("42").unwrap());
+        let redeemer = Redeemer::new(
+            &RedeemerTag::new_spend(),
+            &to_bignum(0),
+            &datum,
+            &ExUnits::new(&to_bignum(1700), &to_bignum(368100)),
+        );
+        tx_builder.add_plutus_script_input(
+            &PlutusWitness::new(&script1, &datum, &redeemer),
+            &TransactionInput::new(&genesis_id(), 0),
+            &Value::new(&to_bignum(1_000_000)),
+        );
+
+        let v2 = Language::new_plutus_v2();
+        let v2_costmodel = TxBuilderConstants::plutus_vasil_cost_models().get(&v2).unwrap();
+        let mut retained_cost_models = Costmdls::new();
+        retained_cost_models.insert(&v2, &v2_costmodel);
+
+        // Setting script data hash removes the error
+        let calc_result = tx_builder.calc_script_data_hash(&retained_cost_models);
+        assert!(calc_result.is_err());
+    }
 }
 

rust/pkg/cardano_serialization_lib.js.flow

@@ -2449,7 +2449,7 @@ mod tests {
     }
 
     #[test]
-    fn ttt() {
+    fn test_vasil_v1_costmodel_hashing() {
         let v1 = Language::new_plutus_v1();
         let v1_cost_model = TxBuilderConstants::plutus_vasil_cost_models()
             .get(&v1).unwrap();