add happy paths

risc0-selective-privacy-poc/examples/private_execution.rs

@@ -53,7 +53,7 @@ fn main() {
 
     let (receipt, _) = nssa::invoke_privacy_execution::<TransferMultipleProgram>(
         &[sender, receiver_1, receiver_2],
-        &vec![30, 40],
+        vec![30, 40],
         &visibilities,
         root,
     )

risc0-selective-privacy-poc/examples/public_execution.rs

@@ -33,7 +33,7 @@ pub fn main() {
 
     let inputs_outputs = nssa::execute::<TransferMultipleProgram>(
         &[sender, receiver_1, receiver_2],
-        &balance_to_move,
+        balance_to_move,
     )
     .unwrap();
 

risc0-selective-privacy-poc/examples/sequencer.rs

@@ -5,7 +5,7 @@ use core::{
     types::{Address, Commitment, Key, Nullifier},
 };
 
-use nssa::program::TransferProgram;
+use nssa::program::{PinataProgram, TransferProgram};
 use risc0_zkvm::Receipt;
 
 use crate::sequencer_mock::{MockedSequencer, ACCOUNTS_PRIVATE_KEYS};
@@ -52,9 +52,16 @@ fn main() {
         1,
         &mut sequencer,
     );
-
     println!("Balances after deshielded execution");
     sequencer.print();
+
+    // A public execution of the Pinata program
+    let preimage = bytes_to_words(b"NSSA Selective privacy is great!").to_vec();
+    sequencer
+        .invoke_public::<PinataProgram>(&[addresses[0], addresses[3]], preimage)
+        .unwrap();
+    println!("Balances after public piñata execution");
+    sequencer.print();
 }
 
 fn mint_fresh_account(address: Address) -> Account {
@@ -77,7 +84,7 @@ fn send_shielded(
     let visibilities = vec![InputVisibiility::Public, InputVisibiility::Private(None)];
     let (receipt, nonces) = nssa::invoke_privacy_execution::<TransferProgram>(
         &[sender_account, receiver_account.clone()],
-        &balance_to_move,
+        balance_to_move,
         &visibilities,
         commitment_tree_root,
     )
@@ -116,7 +123,7 @@ fn send_private(
     ];
     let (receipt, nonces) = nssa::invoke_privacy_execution::<TransferProgram>(
         &[from_account.clone(), receiver_account.clone()],
-        &balance_to_move,
+        balance_to_move,
         &visibilities,
         commitment_tree_root,
     )
@@ -154,7 +161,7 @@ fn send_deshielded(
     ];
     let (receipt, nonces) = nssa::invoke_privacy_execution::<TransferProgram>(
         &[from_account.clone(), to_account],
-        &balance_to_move,
+        balance_to_move,
         &visibilities,
         commitment_tree_root,
     )

risc0-selective-privacy-poc/examples/sequencer_mock/mod.rs

@@ -134,7 +134,7 @@ impl MockedSequencer {
             .collect::<Result<_, _>>()?;
 
         // Execute
-        let inputs_outputs = nssa::execute::<P>(&input_accounts, &instruction_data)?;
+        let inputs_outputs = nssa::execute::<P>(&input_accounts, instruction_data)?;
 
         // Consistency checks
         self.inputs_outputs_are_consistent(&input_accounts, &inputs_outputs)?;

risc0-selective-privacy-poc/program_methods/guest/src/bin/pinata.rs

@@ -1,7 +1,10 @@
 use core::{account::Account, hash};
 use risc0_zkvm::guest::env;
 
-const TARGET_HASH: [u32; 8] = [1, 2, 3, 4, 5, 6, 7, 8];
+// preimage is b"NSSA Selective privacy is great!"
+const TARGET_HASH: [u32; 8] = [
+    1363824975, 720119575, 717909014, 2043925380, 717793160, 1495780600, 1253022833, 116132328,
+];
 const PINATA_ACCOUNT_ADDR: [u32; 8] = [0xcafe; 8];
 const PINATA_PRICE: u128 = 100;
 
@@ -12,11 +15,11 @@ fn main() {
     let preimage: Vec<u32> = env::read();
 
     assert_eq!(input_accounts.len(), 2);
-    let [pinata_account] = input_accounts.split_off(1).try_into().unwrap();
-    let [winner_account] = input_accounts.try_into().unwrap();
+    let [winner_account] = input_accounts.split_off(1).try_into().unwrap();
+    let [pinata_account] = input_accounts.try_into().unwrap();
 
     assert_eq!(pinata_account.address, PINATA_ACCOUNT_ADDR);
-    assert_eq!(pinata_account.balance, PINATA_PRICE);
+    assert!(pinata_account.balance >= PINATA_PRICE);
     assert_eq!(hash(&preimage), TARGET_HASH);
 
     let mut winner_account_post = winner_account.clone();
@@ -25,9 +28,9 @@ fn main() {
     winner_account_post.balance += PINATA_PRICE;
 
     env::commit(&vec![
-        winner_account,
         pinata_account,
-        winner_account_post,
+        winner_account,
         pinata_account_post,
+        winner_account_post,
     ]);
 }

risc0-selective-privacy-poc/src/lib.rs

@@ -18,7 +18,7 @@ pub fn new_random_nonce() -> Nonce {
 
 fn write_inputs<P: Program>(
     input_accounts: &[Account],
-    instruction_data: &P::InstructionData,
+    instruction_data: P::InstructionData,
     env_builder: &mut ExecutorEnvBuilder,
 ) -> Result<(), ()> {
     let input_accounts = input_accounts.to_vec();
@@ -29,7 +29,7 @@ fn write_inputs<P: Program>(
 
 fn execute_and_prove_inner<P: Program>(
     input_accounts: &[Account],
-    instruction_data: &P::InstructionData,
+    instruction_data: P::InstructionData,
 ) -> Result<(Receipt, Vec<Account>), ()> {
     // Write inputs to the program
     let mut env_builder = ExecutorEnv::builder();
@@ -49,7 +49,7 @@ fn execute_and_prove_inner<P: Program>(
 
 pub fn execute<P: Program>(
     input_accounts: &[Account],
-    instruction_data: &P::InstructionData,
+    instruction_data: P::InstructionData,
 ) -> Result<Vec<Account>, ()> {
     // Write inputs to the program
     let mut env_builder = ExecutorEnv::builder();
@@ -60,7 +60,7 @@ pub fn execute<P: Program>(
     let executor = default_executor();
     let session_info = executor.execute(env, P::PROGRAM_ELF).map_err(|_| ())?;
 
-    // Get proof and (inputs and) outputs
+    // Get (inputs and) outputs
     let inputs_outputs: Vec<Account> = session_info.journal.decode().map_err(|_| ())?;
 
     Ok(inputs_outputs)
@@ -68,7 +68,7 @@ pub fn execute<P: Program>(
 
 pub fn invoke_privacy_execution<P: Program>(
     inputs: &[Account],
-    instruction_data: &P::InstructionData,
+    instruction_data: P::InstructionData,
     visibilities: &[InputVisibiility],
     commitment_tree_root: [u32; 8],
 ) -> Result<(Receipt, Vec<Nonce>), ()> {

risc0-selective-privacy-poc/src/program/mod.rs

@@ -29,8 +29,8 @@ impl Program for TransferMultipleProgram {
 
 pub struct PinataProgram;
 impl Program for PinataProgram {
-    const PROGRAM_ID: ProgramId = TRANSFER_MULTIPLE_ID;
-    const PROGRAM_ELF: &[u8] = TRANSFER_MULTIPLE_ELF;
+    const PROGRAM_ID: ProgramId = PINATA_ID;
+    const PROGRAM_ELF: &[u8] = PINATA_ELF;
     /// Preimage of target hash to win price
-    type InstructionData = [u32; 8];
+    type InstructionData = Vec<u32>;
 }