Use evaluate_function for CallStack::PackageRun; Sample response for CallStack::CheckDeployment

synthesizer/process/src/stack/call/mod.rs

@@ -12,12 +12,23 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use crate::{CallStack, Registers, RegistersCall, StackEvaluate, StackExecute};
+use crate::{
+    stack::{
+        Address,
+        ValueType::{ExternalRecord, Record},
+    },
+    CallStack,
+    Registers,
+    RegistersCall,
+    StackEvaluate,
+    StackExecute,
+};
 use aleo_std::prelude::{finish, lap, timer};
 use console::{network::prelude::*, program::Request};
 use synthesizer_program::{
     Call,
     CallOperator,
+    Operand,
     RegistersLoad,
     RegistersLoadCircuit,
     RegistersSigner,
@@ -241,7 +252,7 @@ impl<N: Network> CallTrait<N> for Call<N> {
                         // Return the request and response.
                         (request, response)
                     }
-                    CallStack::CheckDeployment(_, private_key, ..) | CallStack::PackageRun(_, private_key, ..) => {
+                    CallStack::PackageRun(_, private_key, ..) => {
                         // Compute the request.
                         let request = Request::sign(
                             &private_key,
@@ -257,8 +268,66 @@ impl<N: Network> CallTrait<N> for Call<N> {
                         // Push the request onto the call stack.
                         call_stack.push(request.clone())?;
 
-                        // Execute the request.
-                        let response = substack.execute_function::<A, R>(call_stack, console_caller, rng)?;
+                        // Evaluate the request.
+                        let response = substack.evaluate_function::<A>(call_stack, console_caller)?;
+
+                        // Return the request and response.
+                        (request, response)
+                    }
+                    CallStack::CheckDeployment(_, private_key, ..) => {
+                        // Compute the request.
+                        let request = Request::sign(
+                            &private_key,
+                            *substack.program_id(),
+                            *function.name(),
+                            inputs.iter(),
+                            &function.input_types(),
+                            rng,
+                        )?;
+
+                        // Compute the address.
+                        let address = Address::try_from(&private_key)?;
+                        // Sample dummy outputs
+                        let outputs = function
+                            .outputs()
+                            .iter()
+                            .map(|output| match output.value_type() {
+                                ExternalRecord(locator) => {
+                                    // Retrieve the external stack.
+                                    let stack = substack.get_external_stack(locator.program_id())?;
+                                    // Sample the output.
+                                    stack.sample_value(&address, &Record(*locator.resource()), rng)
+                                }
+                                _ => substack.sample_value(&address, output.value_type(), rng),
+                            })
+                            .collect::<Result<Vec<_>>>()?;
+
+                        // Retrieve the output operands.
+                        let output_operands =
+                            &function.outputs().iter().map(|output| output.operand()).collect::<Vec<_>>();
+
+                        // Map the output operands to registers.
+                        let output_registers = output_operands
+                            .iter()
+                            .map(|operand| match operand {
+                                Operand::Register(register) => Some(register.clone()),
+                                _ => None,
+                            })
+                            .collect::<Vec<_>>();
+
+                        // Compute the response.
+                        let response = crate::Response::new(
+                            request.network_id(),
+                            substack.program().id(),
+                            function.name(),
+                            request.inputs().len(),
+                            request.tvk(),
+                            request.tcm(),
+                            outputs,
+                            &function.output_types(),
+                            &output_registers,
+                        )?;
+
                         // Return the request and response.
                         (request, response)
                     }

synthesizer/process/src/stack/evaluate.rs

@@ -106,6 +106,10 @@ impl<N: Network> StackEvaluate<N> for Stack<N> {
         // Retrieve the next request, based on the call stack mode.
         let (request, call_stack) = match &call_stack {
             CallStack::Evaluate(authorization) => (authorization.next()?, call_stack),
+            CallStack::PackageRun(requests, _, _) => {
+                let last_request = requests.last().ok_or(anyhow!("CallStack does not contain request"))?.clone();
+                (last_request, call_stack)
+            }
             // If the evaluation is performed in the `Execute` mode, create a new `Evaluate` mode.
             // This is done to ensure that evaluation during execution is performed consistently.
             CallStack::Execute(authorization, _) => {
@@ -116,7 +120,9 @@ impl<N: Network> StackEvaluate<N> for Stack<N> {
                 let call_stack = CallStack::Evaluate(authorization);
                 (request, call_stack)
             }
-            _ => bail!("Illegal operation: call stack must be `Evaluate` or `Execute` in `evaluate_function`."),
+            _ => bail!(
+                "Illegal operation: call stack must be `PackageRun`, `Evaluate` or `Execute` in `evaluate_function`."
+            ),
         };
         lap!(timer, "Retrieve the next request");
 

synthesizer/process/src/stack/helpers/matches.rs

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 use super::*;
-use console::program::{Argument, FinalizeType};
 
 impl<N: Network> StackMatches<N> for Stack<N> {
     /// Checks that the given value matches the layout of the value type.

synthesizer/process/src/stack/helpers/sample.rs

@@ -15,27 +15,6 @@
 use super::*;
 
 impl<N: Network> Stack<N> {
-    /// Returns a value for the given value type.
-    pub fn sample_value<R: Rng + CryptoRng>(
-        &self,
-        burner_address: &Address<N>,
-        value_type: &ValueType<N>,
-        rng: &mut R,
-    ) -> Result<Value<N>> {
-        match value_type {
-            ValueType::Constant(plaintext_type)
-            | ValueType::Public(plaintext_type)
-            | ValueType::Private(plaintext_type) => Ok(Value::Plaintext(self.sample_plaintext(plaintext_type, rng)?)),
-            ValueType::Record(record_name) => {
-                Ok(Value::Record(self.sample_record(burner_address, record_name, rng)?))
-            }
-            ValueType::ExternalRecord(locator) => {
-                bail!("Illegal operation: Cannot sample external records (for '{locator}.record').")
-            }
-            ValueType::Future(locator) => bail!("Illegal operation: Cannot sample futures (for '{locator}.future')."),
-        }
-    }
-
     /// Returns a record for the given record name, with the given burner address.
     pub fn sample_record<R: Rng + CryptoRng>(
         &self,
@@ -64,6 +43,16 @@ impl<N: Network> Stack<N> {
         // Return the plaintext value.
         Ok(plaintext)
     }
+
+    /// Samples a future value according to the given future type.
+    pub fn sample_future<R: Rng + CryptoRng>(&self, locator: &Locator<N>, rng: &mut R) -> Result<Future<N>> {
+        // Sample a future value.
+        let future = self.sample_future_internal(locator, 0, rng)?;
+        // Ensure the future value matches the future type.
+        self.matches_future(&future, locator)?;
+        // Return the future value.
+        Ok(future)
+    }
 }
 
 impl<N: Network> Stack<N> {
@@ -182,4 +171,46 @@ impl<N: Network> Stack<N> {
         // Return the plaintext.
         Ok(plaintext)
     }
+
+    /// Samples a future value according to the given locator.
+    fn sample_future_internal<R: Rng + CryptoRng>(
+        &self,
+        locator: &Locator<N>,
+        depth: usize,
+        rng: &mut R,
+    ) -> Result<Future<N>> {
+        // Retrieve the associated function.
+        let function = match locator.program_id() == self.program_id() {
+            true => self.get_function_ref(locator.resource())?,
+            false => self.get_external_program(locator.program_id())?.get_function_ref(locator.resource())?,
+        };
+
+        // Retrieve the finalize inputs.
+        let inputs = match function.finalize_logic() {
+            Some(finalize_logic) => finalize_logic.inputs(),
+            None => bail!("Function '{locator}' does not have a finalize block"),
+        };
+
+        let arguments = inputs
+            .into_iter()
+            .map(|input| {
+                match input.finalize_type() {
+                    FinalizeType::Plaintext(plaintext_type) => {
+                        // Sample the plaintext value.
+                        let plaintext = self.sample_plaintext_internal(plaintext_type, depth + 1, rng)?;
+                        // Return the argument.
+                        Ok(Argument::Plaintext(plaintext))
+                    }
+                    FinalizeType::Future(locator) => {
+                        // Sample the future value.
+                        let future = self.sample_future_internal(locator, depth + 1, rng)?;
+                        // Return the argument.
+                        Ok(Argument::Future(future))
+                    }
+                }
+            })
+            .collect::<Result<Vec<_>>>()?;
+
+        Ok(Future::new(*locator.program_id(), *locator.resource(), arguments))
+    }
 }

synthesizer/process/src/stack/mod.rs

@@ -41,8 +41,10 @@ use console::{
     account::{Address, PrivateKey},
     network::prelude::*,
     program::{
+        Argument,
         Entry,
         EntryType,
+        FinalizeType,
         Future,
         Identifier,
         Literal,
@@ -292,6 +294,27 @@ impl<N: Network> StackProgram<N> for Stack<N> {
         }
         Ok(num_calls)
     }
+
+    /// Returns a value for the given value type.
+    fn sample_value<R: Rng + CryptoRng>(
+        &self,
+        burner_address: &Address<N>,
+        value_type: &ValueType<N>,
+        rng: &mut R,
+    ) -> Result<Value<N>> {
+        match value_type {
+            ValueType::Constant(plaintext_type)
+            | ValueType::Public(plaintext_type)
+            | ValueType::Private(plaintext_type) => Ok(Value::Plaintext(self.sample_plaintext(plaintext_type, rng)?)),
+            ValueType::Record(record_name) => {
+                Ok(Value::Record(self.sample_record(burner_address, record_name, rng)?))
+            }
+            ValueType::ExternalRecord(locator) => {
+                bail!("Illegal operation: Cannot sample external records (for '{locator}.record').")
+            }
+            ValueType::Future(locator) => Ok(Value::Future(self.sample_future(locator, rng)?)),
+        }
+    }
 }
 
 impl<N: Network> StackProgramTypes<N> for Stack<N> {

synthesizer/program/src/traits/stack_and_registers.rs

@@ -35,6 +35,7 @@ use console::{
     },
     types::{Address, Field},
 };
+use rand::{CryptoRng, Rng};
 
 pub trait StackMatches<N: Network> {
     /// Checks that the given value matches the layout of the value type.
@@ -83,6 +84,14 @@ pub trait StackProgram<N: Network> {
 
     /// Returns the expected number of calls for the given function name.
     fn get_number_of_calls(&self, function_name: &Identifier<N>) -> Result<usize>;
+
+    /// Samples a value for the given value_type.
+    fn sample_value<R: Rng + CryptoRng>(
+        &self,
+        burner_address: &Address<N>,
+        value_type: &ValueType<N>,
+        rng: &mut R,
+    ) -> Result<Value<N>>;
 }
 
 pub trait FinalizeRegistersState<N: Network> {