feat: add some v1 methods so that cost_mdls can be optional

crates/cli/src/main.rs

@@ -52,7 +52,7 @@ fn main() -> anyhow::Result<()> {
                         slot_length,
                     };
 
-                    // eval_tx(tx_babbage, &resolved_inputs, &slot_config)?;
+                    eval_tx(tx_babbage, &resolved_inputs, None, &slot_config)?;
                 }
             }
         },

crates/uplc/src/ast.rs

@@ -500,7 +500,22 @@ impl Program<NamedDeBruijn> {
         (term, machine.ex_budget, machine.logs)
     }
 
-    pub fn eval_with_params(
+    /// Evaluate a Program as PlutusV1
+    pub fn eval_v1(
+        &self,
+    ) -> (
+        Result<Term<NamedDeBruijn>, crate::machine::Error>,
+        ExBudget,
+        Vec<String>,
+    ) {
+        let mut machine = Machine::new(Language::PlutusV1, CostModel::v1(), ExBudget::v1(), 200);
+
+        let term = machine.run(&self.term);
+
+        (term, machine.ex_budget, machine.logs)
+    }
+
+    pub fn eval_as(
         &self,
         version: &Language,
         costs: &[i64],

crates/uplc/src/machine/cost_model.rs

@@ -29,6 +29,14 @@ impl ExBudget {
         self.mem *= n;
         self.cpu *= n;
     }
+
+    // TODO: actually fill in the v1 numbers
+    pub fn v1() -> Self {
+        ExBudget {
+            mem: 14000000,
+            cpu: 10000000000,
+        }
+    }
 }
 
 impl Default for ExBudget {
@@ -46,6 +54,15 @@ pub struct CostModel {
     pub builtin_costs: BuiltinCosts,
 }
 
+impl CostModel {
+    pub fn v1() -> Self {
+        Self {
+            machine_costs: MachineCosts::v1(),
+            builtin_costs: BuiltinCosts::v1(),
+        }
+    }
+}
+
 /// There's no entry for Error since we'll be exiting anyway; also, what would
 /// happen if calling 'Error' caused the budget to be exceeded?
 pub struct MachineCosts {
@@ -74,9 +91,45 @@ impl MachineCosts {
             StepKind::StartUp => self.startup,
         }
     }
+
+    // TODO: actually fill in the v1 numbers
+    pub fn v1() -> Self {
+        Self {
+            startup: ExBudget { mem: 100, cpu: 100 },
+            var: ExBudget {
+                mem: 100,
+                cpu: 23000,
+            },
+            constant: ExBudget {
+                mem: 100,
+                cpu: 23000,
+            },
+            lambda: ExBudget {
+                mem: 100,
+                cpu: 23000,
+            },
+            delay: ExBudget {
+                mem: 100,
+                cpu: 23000,
+            },
+            force: ExBudget {
+                mem: 100,
+                cpu: 23000,
+            },
+            apply: ExBudget {
+                mem: 100,
+                cpu: 23000,
+            },
+            builtin: ExBudget {
+                mem: 100,
+                cpu: 23000,
+            },
+        }
+    }
 }
 
 impl Default for MachineCosts {
+    /// Default is V2
     fn default() -> Self {
         Self {
             startup: ExBudget { mem: 100, cpu: 100 },
@@ -179,7 +232,374 @@ pub struct BuiltinCosts {
     pub serialise_data: CostingFun<OneArgument>,
 }
 
+impl BuiltinCosts {
+    // TODO: actually fill in the v1 numbers
+    pub fn v1() -> Self {
+        Self {
+            add_integer: CostingFun {
+                mem: TwoArguments::MaxSize(MaxSize {
+                    intercept: 1,
+                    slope: 1,
+                }),
+                cpu: TwoArguments::MaxSize(MaxSize {
+                    intercept: 205665,
+                    slope: 812,
+                }),
+            },
+            subtract_integer: CostingFun {
+                mem: TwoArguments::MaxSize(MaxSize {
+                    intercept: 1,
+                    slope: 1,
+                }),
+                cpu: TwoArguments::MaxSize(MaxSize {
+                    intercept: 205665,
+                    slope: 812,
+                }),
+            },
+            multiply_integer: CostingFun {
+                mem: TwoArguments::AddedSizes(AddedSizes {
+                    intercept: 0,
+                    slope: 1,
+                }),
+
+                cpu: TwoArguments::AddedSizes(AddedSizes {
+                    intercept: 69522,
+                    slope: 11687,
+                }),
+            },
+            divide_integer: CostingFun {
+                mem: TwoArguments::SubtractedSizes(SubtractedSizes {
+                    intercept: 0,
+                    slope: 1,
+                    minimum: 1,
+                }),
+                cpu: TwoArguments::ConstAboveDiagonal(ConstantOrTwoArguments {
+                    constant: 196500,
+                    model: Box::new(TwoArguments::MultipliedSizes(MultipliedSizes {
+                        intercept: 453240,
+                        slope: 220,
+                    })),
+                }),
+            },
+            quotient_integer: CostingFun {
+                mem: TwoArguments::SubtractedSizes(SubtractedSizes {
+                    intercept: 0,
+                    slope: 1,
+                    minimum: 1,
+                }),
+                cpu: TwoArguments::ConstAboveDiagonal(ConstantOrTwoArguments {
+                    constant: 196500,
+                    model: Box::new(TwoArguments::MultipliedSizes(MultipliedSizes {
+                        intercept: 453240,
+                        slope: 220,
+                    })),
+                }),
+            },
+            remainder_integer: CostingFun {
+                mem: TwoArguments::SubtractedSizes(SubtractedSizes {
+                    intercept: 0,
+                    slope: 1,
+                    minimum: 1,
+                }),
+                cpu: TwoArguments::ConstAboveDiagonal(ConstantOrTwoArguments {
+                    constant: 196500,
+                    model: Box::new(TwoArguments::MultipliedSizes(MultipliedSizes {
+                        intercept: 453240,
+                        slope: 220,
+                    })),
+                }),
+            },
+            mod_integer: CostingFun {
+                mem: TwoArguments::SubtractedSizes(SubtractedSizes {
+                    intercept: 0,
+                    slope: 1,
+                    minimum: 1,
+                }),
+                cpu: TwoArguments::ConstAboveDiagonal(ConstantOrTwoArguments {
+                    constant: 196500,
+                    model: Box::new(TwoArguments::MultipliedSizes(MultipliedSizes {
+                        intercept: 453240,
+                        slope: 220,
+                    })),
+                }),
+            },
+            equals_integer: CostingFun {
+                mem: TwoArguments::ConstantCost(1),
+                cpu: TwoArguments::MinSize(MinSize {
+                    intercept: 208512,
+                    slope: 421,
+                }),
+            },
+            less_than_integer: CostingFun {
+                mem: TwoArguments::ConstantCost(1),
+                cpu: TwoArguments::MinSize(MinSize {
+                    intercept: 208896,
+                    slope: 511,
+                }),
+            },
+            less_than_equals_integer: CostingFun {
+                mem: TwoArguments::ConstantCost(1),
+                cpu: TwoArguments::MinSize(MinSize {
+                    intercept: 204924,
+                    slope: 473,
+                }),
+            },
+            append_byte_string: CostingFun {
+                mem: TwoArguments::AddedSizes(AddedSizes {
+                    intercept: 0,
+                    slope: 1,
+                }),
+                cpu: TwoArguments::AddedSizes(AddedSizes {
+                    intercept: 1000,
+                    slope: 571,
+                }),
+            },
+            cons_byte_string: CostingFun {
+                mem: TwoArguments::AddedSizes(AddedSizes {
+                    intercept: 0,
+                    slope: 1,
+                }),
+                cpu: TwoArguments::LinearInY(LinearSize {
+                    intercept: 221973,
+                    slope: 511,
+                }),
+            },
+            slice_byte_string: CostingFun {
+                mem: ThreeArguments::LinearInZ(LinearSize {
+                    intercept: 4,
+                    slope: 0,
+                }),
+                cpu: ThreeArguments::LinearInZ(LinearSize {
+                    intercept: 265318,
+                    slope: 0,
+                }),
+            },
+            length_of_byte_string: CostingFun {
+                mem: OneArgument::ConstantCost(10),
+                cpu: OneArgument::ConstantCost(1000),
+            },
+            index_byte_string: CostingFun {
+                mem: TwoArguments::ConstantCost(4),
+                cpu: TwoArguments::ConstantCost(57667),
+            },
+            equals_byte_string: CostingFun {
+                mem: TwoArguments::ConstantCost(1),
+                cpu: TwoArguments::LinearOnDiagonal(ConstantOrLinear {
+                    constant: 245000,
+                    intercept: 216773,
+                    slope: 62,
+                }),
+            },
+            less_than_byte_string: CostingFun {
+                mem: TwoArguments::ConstantCost(1),
+                cpu: TwoArguments::MinSize(MinSize {
+                    intercept: 197145,
+                    slope: 156,
+                }),
+            },
+            less_than_equals_byte_string: CostingFun {
+                mem: TwoArguments::ConstantCost(1),
+                cpu: TwoArguments::MinSize(MinSize {
+                    intercept: 197145,
+                    slope: 156,
+                }),
+            },
+            sha2_256: CostingFun {
+                mem: OneArgument::ConstantCost(4),
+                cpu: OneArgument::LinearCost(LinearSize {
+                    intercept: 806990,
+                    slope: 30482,
+                }),
+            },
+            sha3_256: CostingFun {
+                mem: OneArgument::ConstantCost(4),
+                cpu: OneArgument::LinearCost(LinearSize {
+                    intercept: 1927926,
+                    slope: 82523,
+                }),
+            },
+            blake2b_256: CostingFun {
+                mem: OneArgument::ConstantCost(4),
+                cpu: OneArgument::LinearCost(LinearSize {
+                    intercept: 117366,
+                    slope: 10475,
+                }),
+            },
+            verify_ed25519_signature: CostingFun {
+                mem: ThreeArguments::ConstantCost(10),
+                cpu: ThreeArguments::LinearInZ(LinearSize {
+                    intercept: 57996947,
+                    slope: 18975,
+                }),
+            },
+            verify_ecdsa_secp256k1_signature: CostingFun {
+                mem: ThreeArguments::ConstantCost(20000000000),
+                cpu: ThreeArguments::ConstantCost(20000000000),
+            },
+            verify_schnorr_secp256k1_signature: CostingFun {
+                mem: ThreeArguments::ConstantCost(20000000000),
+                cpu: ThreeArguments::LinearInY(LinearSize {
+                    intercept: 20000000000,
+                    slope: 0,
+                }),
+            },
+            append_string: CostingFun {
+                mem: TwoArguments::AddedSizes(AddedSizes {
+                    intercept: 4,
+                    slope: 1,
+                }),
+                cpu: TwoArguments::AddedSizes(AddedSizes {
+                    intercept: 1000,
+                    slope: 24177,
+                }),
+            },
+            equals_string: CostingFun {
+                mem: TwoArguments::ConstantCost(1),
+                cpu: TwoArguments::LinearOnDiagonal(ConstantOrLinear {
+                    constant: 187000,
+                    intercept: 1000,
+                    slope: 52998,
+                }),
+            },
+            encode_utf8: CostingFun {
+                mem: OneArgument::LinearCost(LinearSize {
+                    intercept: 4,
+                    slope: 2,
+                }),
+                cpu: OneArgument::LinearCost(LinearSize {
+                    intercept: 1000,
+                    slope: 28662,
+                }),
+            },
+            decode_utf8: CostingFun {
+                mem: OneArgument::LinearCost(LinearSize {
+                    intercept: 4,
+                    slope: 2,
+                }),
+                cpu: OneArgument::LinearCost(LinearSize {
+                    intercept: 497525,
+                    slope: 14068,
+                }),
+            },
+            if_then_else: CostingFun {
+                mem: ThreeArguments::ConstantCost(1),
+                cpu: ThreeArguments::ConstantCost(80556),
+            },
+            choose_unit: CostingFun {
+                mem: TwoArguments::ConstantCost(4),
+                cpu: TwoArguments::ConstantCost(46417),
+            },
+            trace: CostingFun {
+                mem: TwoArguments::ConstantCost(32),
+                cpu: TwoArguments::ConstantCost(212342),
+            },
+            fst_pair: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(80436),
+            },
+            snd_pair: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(85931),
+            },
+            choose_list: CostingFun {
+                mem: ThreeArguments::ConstantCost(32),
+                cpu: ThreeArguments::ConstantCost(175354),
+            },
+            mk_cons: CostingFun {
+                mem: TwoArguments::ConstantCost(32),
+                cpu: TwoArguments::ConstantCost(65493),
+            },
+            head_list: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(43249),
+            },
+            tail_list: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(41182),
+            },
+            null_list: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(60091),
+            },
+            choose_data: CostingFun {
+                mem: SixArguments::ConstantCost(32),
+                cpu: SixArguments::ConstantCost(19537),
+            },
+            constr_data: CostingFun {
+                mem: TwoArguments::ConstantCost(32),
+                cpu: TwoArguments::ConstantCost(89141),
+            },
+            map_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(64832),
+            },
+            list_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(52467),
+            },
+            i_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(1000),
+            },
+            b_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(1000),
+            },
+            un_constr_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(32696),
+            },
+            un_map_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(38314),
+            },
+            un_list_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(32247),
+            },
+            un_i_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(43357),
+            },
+            un_b_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(31220),
+            },
+            equals_data: CostingFun {
+                mem: TwoArguments::ConstantCost(1),
+                cpu: TwoArguments::MinSize(MinSize {
+                    intercept: 1060367,
+                    slope: 12586,
+                }),
+            },
+            mk_pair_data: CostingFun {
+                mem: TwoArguments::ConstantCost(32),
+                cpu: TwoArguments::ConstantCost(76511),
+            },
+            mk_nil_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(22558),
+            },
+            mk_nil_pair_data: CostingFun {
+                mem: OneArgument::ConstantCost(32),
+                cpu: OneArgument::ConstantCost(16563),
+            },
+            serialise_data: CostingFun {
+                mem: OneArgument::LinearCost(LinearSize {
+                    intercept: 0,
+                    slope: 2,
+                }),
+                cpu: OneArgument::LinearCost(LinearSize {
+                    intercept: 1159724,
+                    slope: 392670,
+                }),
+            },
+        }
+    }
+}
+
 impl Default for BuiltinCosts {
+    /// Default is V2
     fn default() -> Self {
         Self {
             add_integer: CostingFun {

crates/uplc/src/transaction_eval.rs

@@ -15,7 +15,7 @@ mod to_plutus_data;
 pub fn eval_tx(
     tx: &MintedTx,
     utxos: &[ResolvedInput],
-    cost_mdls: &CostMdls,
+    cost_mdls: Option<&CostMdls>,
     slot_config: &SlotConfig,
 ) -> anyhow::Result<Vec<Redeemer>> {
     let redeemers = tx.transaction_witness_set.redeemer.as_ref();
@@ -68,7 +68,7 @@ pub fn eval_tx_raw(
     };
 
     match multi_era_tx {
-        MultiEraTx::Babbage(tx) => match eval_tx(&tx, &utxos, &cost_mdls, &sc) {
+        MultiEraTx::Babbage(tx) => match eval_tx(&tx, &utxos, Some(&cost_mdls), &sc) {
             Ok(redeemers) => Ok(redeemers
                 .iter()
                 .map(|r| r.encode_fragment().unwrap())
@@ -322,7 +322,7 @@ mod tests {
             .unwrap();
         match multi_era_tx {
             MultiEraTx::Babbage(tx) => {
-                let redeemers = eval_tx(&tx, &utxos, &cost_mdl, &slot_config).unwrap();
+                let redeemers = eval_tx(&tx, &utxos, Some(&cost_mdl), &slot_config).unwrap();
 
                 assert_eq!(redeemers.len(), 1)
             }
@@ -556,7 +556,7 @@ mod tests {
             .unwrap();
         match multi_era_tx {
             MultiEraTx::Babbage(tx) => {
-                let redeemers = eval_tx(&tx, &utxos, &cost_mdl, &slot_config).unwrap();
+                let redeemers = eval_tx(&tx, &utxos, Some(&cost_mdl), &slot_config).unwrap();
 
                 println!("{:?}", redeemers.len());
             }
@@ -626,7 +626,7 @@ mod tests {
             .unwrap();
         match multi_era_tx {
             MultiEraTx::Babbage(tx) => {
-                let redeemers = eval_tx(&tx, &utxos, &cost_mdl, &slot_config).unwrap();
+                let redeemers = eval_tx(&tx, &utxos, Some(&cost_mdl), &slot_config).unwrap();
 
                 println!("{:?}", redeemers.len());
             }

crates/uplc/src/transaction_eval/eval.rs

@@ -556,7 +556,7 @@ pub fn eval_redeemer(
     slot_config: &SlotConfig,
     redeemer: &Redeemer,
     lookup_table: &DataLookupTable,
-    cost_mdls: &CostMdls,
+    cost_mdls_opt: Option<&CostMdls>,
 ) -> anyhow::Result<Redeemer> {
     let purpose = get_script_purpose(
         redeemer,
@@ -582,17 +582,22 @@ pub fn eval_redeemer(
                     prog.into()
                 };
 
+                let program = program
+                    .apply_data(datum)
+                    .apply_data(redeemer.data.clone())
+                    .apply_data(script_context.to_plutus_data());
+
+                let result = if let Some(cost_mdls) = cost_mdls_opt {
                     let costs = if let Some(costs) = &cost_mdls.plutus_v1 {
                         costs
                     } else {
                         return Err(anyhow::Error::msg("PlutusV1 cost model not found."));
                     };
 
-                let result = program
+                    program.eval_as(&Language::PlutusV1, costs)
-                    .apply_data(datum)
+                } else {
-                    .apply_data(redeemer.data.clone())
+                    program.eval_v1()
-                    .apply_data(script_context.to_plutus_data())
+                };
-                    .eval_with_params(&Language::PlutusV1, &costs);
 
                 match result.0 {
                     Ok(_) => {}
@@ -623,17 +628,22 @@ pub fn eval_redeemer(
                     prog.into()
                 };
 
-                let costs = if let Some(costs) = &cost_mdls.plutus_v2 {
+                let program = program
-                    costs
-                } else {
-                    return Err(anyhow::Error::msg("PlutusV2 cost model not found."));
-                };
-
-                let result = program
                     .apply_data(datum)
                     .apply_data(redeemer.data.clone())
-                    .apply_data(script_context.to_plutus_data())
+                    .apply_data(script_context.to_plutus_data());
-                    .eval_with_params(&Language::PlutusV2, &costs);
+
+                let result = if let Some(cost_mdls) = cost_mdls_opt {
+                    let costs = if let Some(costs) = &cost_mdls.plutus_v1 {
+                        costs
+                    } else {
+                        return Err(anyhow::Error::msg("PlutusV1 cost model not found."));
+                    };
+
+                    program.eval_as(&Language::PlutusV2, costs)
+                } else {
+                    program.eval()
+                };
 
                 match result.0 {
                     Ok(_) => {}
@@ -666,16 +676,21 @@ pub fn eval_redeemer(
                     prog.into()
                 };
 
+                let program = program
+                    .apply_data(redeemer.data.clone())
+                    .apply_data(script_context.to_plutus_data());
+
+                let result = if let Some(cost_mdls) = cost_mdls_opt {
                     let costs = if let Some(costs) = &cost_mdls.plutus_v1 {
                         costs
                     } else {
                         return Err(anyhow::Error::msg("PlutusV1 cost model not found."));
                     };
 
-                let result = program
+                    program.eval_as(&Language::PlutusV1, costs)
-                    .apply_data(redeemer.data.clone())
+                } else {
-                    .apply_data(script_context.to_plutus_data())
+                    program.eval_v1()
-                    .eval_with_params(&Language::PlutusV1, &costs);
+                };
 
                 match result.0 {
                     Ok(_) => {}
@@ -706,16 +721,21 @@ pub fn eval_redeemer(
                     prog.into()
                 };
 
-                let costs = if let Some(costs) = &cost_mdls.plutus_v2 {
+                let program = program
+                    .apply_data(redeemer.data.clone())
+                    .apply_data(script_context.to_plutus_data());
+
+                let result = if let Some(cost_mdls) = cost_mdls_opt {
+                    let costs = if let Some(costs) = &cost_mdls.plutus_v1 {
                         costs
                     } else {
-                    return Err(anyhow::Error::msg("PlutusV2 cost model not found."));
+                        return Err(anyhow::Error::msg("PlutusV1 cost model not found."));
                     };
 
-                let result = program
+                    program.eval_as(&Language::PlutusV2, costs)
-                    .apply_data(redeemer.data.clone())
+                } else {
-                    .apply_data(script_context.to_plutus_data())
+                    program.eval()
-                    .eval_with_params(&Language::PlutusV2, &costs);
+                };
 
                 match result.0 {
                     Ok(_) => {}

crates/uplc/src/transaction_eval/script_context.rs

@@ -74,7 +74,7 @@ pub struct ScriptContext {
 }
 
 //---- Time conversion: slot range => posix time range
-#[derive(Debug, PartialEq, Clone)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct TimeRange {
     pub lower_bound: Option<u64>,
     pub upper_bound: Option<u64>,