test: add private PDA circuit tests and two guest programs

test_program_methods/guest/src/bin/pda_claimer.rs

@@ -0,0 +1,32 @@
+use nssa_core::program::{
+    AccountPostState, Claim, PdaSeed, ProgramInput, ProgramOutput, read_nssa_inputs,
+};
+
+type Instruction = PdaSeed;
+
+fn main() {
+    let (
+        ProgramInput {
+            self_program_id,
+            caller_program_id,
+            pre_states,
+            instruction: seed,
+        },
+        instruction_words,
+    ) = read_nssa_inputs::<Instruction>();
+
+    let Ok([pre]) = <[_; 1]>::try_from(pre_states) else {
+        return;
+    };
+
+    let account_post = AccountPostState::new_claimed(pre.account.clone(), Claim::Pda(seed));
+
+    ProgramOutput::new(
+        self_program_id,
+        caller_program_id,
+        instruction_words,
+        vec![pre],
+        vec![account_post],
+    )
+    .write();
+}

test_program_methods/guest/src/bin/private_pda_claimer.rs

@@ -0,0 +1,34 @@
+use nssa_core::{
+    NullifierPublicKey,
+    program::{AccountPostState, Claim, PdaSeed, ProgramInput, ProgramOutput, read_nssa_inputs},
+};
+
+type Instruction = (PdaSeed, NullifierPublicKey);
+
+fn main() {
+    let (
+        ProgramInput {
+            self_program_id,
+            caller_program_id,
+            pre_states,
+            instruction: (seed, npk),
+        },
+        instruction_words,
+    ) = read_nssa_inputs::<Instruction>();
+
+    let Ok([pre]) = <[_; 1]>::try_from(pre_states) else {
+        return;
+    };
+
+    let account_post =
+        AccountPostState::new_claimed(pre.account.clone(), Claim::PrivatePda { seed, npk });
+
+    ProgramOutput::new(
+        self_program_id,
+        caller_program_id,
+        instruction_words,
+        vec![pre],
+        vec![account_post],
+    )
+    .write();
+}