Merge pull request #122 from vacp2p/Pravdyvy/wallet-pinata-private

Wallet pinata program private execution

ci_scripts/test-ubuntu.sh

@@ -9,7 +9,6 @@ RISC0_DEV_MODE=1 cargo test --release
 cd integration_tests
 export NSSA_WALLET_HOME_DIR=$(pwd)/configs/debug/wallet/
 export RUST_LOG=info
-cargo run $(pwd)/configs/debug all
 echo "Try test valid proof at least once"
 cargo run $(pwd)/configs/debug test_success_private_transfer_to_another_owned_account
 echo "Continuing in dev mode"

common/Cargo.toml

@@ -19,5 +19,9 @@ hex.workspace = true
 nssa-core = { path = "../nssa/core", features = ["host"] }
 borsh.workspace = true
 
+[dependencies.generic-array]
+version = "1.3.3"
+features = ["zeroize"]
+
 [dependencies.nssa]
 path = "../nssa"

common/src/transaction.rs

@@ -3,13 +3,10 @@ use k256::ecdsa::{Signature, SigningKey, VerifyingKey};
 use log::info;
 use serde::{Deserialize, Serialize};
 
-use sha2::{Digest, digest::FixedOutput};
+use generic_array::GenericArray;
-
+use sha2::digest::typenum::{B0, B1};
-use elliptic_curve::{
-    consts::{B0, B1},
-    generic_array::GenericArray,
-};
 use sha2::digest::typenum::{UInt, UTerm};
+use sha2::{Digest, digest::FixedOutput};
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub enum NSSATransaction {

integration_tests/src/lib.rs

@@ -458,29 +458,11 @@ pub async fn test_success_private_transfer_to_another_owned_account() {
         amount: 100,
     };
 
-    let SubcommandReturnValue::PrivacyPreservingTransfer { tx_hash } =
+    wallet::execute_subcommand(command).await.unwrap();
-        wallet::execute_subcommand(command).await.unwrap()
-    else {
-        panic!("invalid subcommand return value");
-    };
 
     info!("Waiting for next block creation");
     tokio::time::sleep(Duration::from_secs(TIME_TO_WAIT_FOR_BLOCK_SECONDS)).await;
 
-    let command = Command::FetchPrivateAccount {
-        tx_hash: tx_hash.clone(),
-        acc_addr: from.to_string(),
-        output_id: 0,
-    };
-    wallet::execute_subcommand(command).await.unwrap();
-
-    let command = Command::FetchPrivateAccount {
-        tx_hash,
-        acc_addr: to.to_string(),
-        output_id: 1,
-    };
-    wallet::execute_subcommand(command).await.unwrap();
-
     let wallet_config = fetch_config().unwrap();
     let seq_client = SequencerClient::new(wallet_config.sequencer_addr.clone()).unwrap();
     let wallet_storage = WalletCore::start_from_config_update_chain(wallet_config).unwrap();
@@ -519,13 +501,6 @@ pub async fn test_success_private_transfer_to_another_foreign_account() {
     info!("Waiting for next block creation");
     tokio::time::sleep(Duration::from_secs(TIME_TO_WAIT_FOR_BLOCK_SECONDS)).await;
 
-    let command = Command::FetchPrivateAccount {
-        tx_hash: tx_hash.clone(),
-        acc_addr: from.to_string(),
-        output_id: 0,
-    };
-    wallet::execute_subcommand(command).await.unwrap();
-
     let wallet_config = fetch_config().unwrap();
     let seq_client = SequencerClient::new(wallet_config.sequencer_addr.clone()).unwrap();
     let wallet_storage = WalletCore::start_from_config_update_chain(wallet_config).unwrap();
@@ -624,21 +599,11 @@ pub async fn test_success_deshielded_transfer_to_another_account() {
     let from_acc = wallet_storage.get_account_private(&from).unwrap();
     assert_eq!(from_acc.balance, 10000);
 
-    let SubcommandReturnValue::PrivacyPreservingTransfer { tx_hash } =
+    wallet::execute_subcommand(command).await.unwrap();
-        wallet::execute_subcommand(command).await.unwrap()
-    else {
-        panic!("invalid subcommand return value");
-    };
 
     info!("Waiting for next block creation");
     tokio::time::sleep(Duration::from_secs(TIME_TO_WAIT_FOR_BLOCK_SECONDS)).await;
 
-    let command = Command::FetchPrivateAccount {
-        tx_hash,
-        acc_addr: from.to_string(),
-        output_id: 0,
-    };
-    wallet::execute_subcommand(command).await.unwrap();
     let wallet_storage = WalletCore::start_from_config_update_chain(wallet_config).unwrap();
 
     let from_acc = wallet_storage.get_account_private(&from).unwrap();
@@ -671,21 +636,12 @@ pub async fn test_success_shielded_transfer_to_another_owned_account() {
     let wallet_config = fetch_config().unwrap();
     let seq_client = SequencerClient::new(wallet_config.sequencer_addr.clone()).unwrap();
 
-    let SubcommandReturnValue::PrivacyPreservingTransfer { tx_hash } =
+    wallet::execute_subcommand(command).await.unwrap();
-        wallet::execute_subcommand(command).await.unwrap()
-    else {
-        panic!("invalid subcommand return value");
-    };
 
     info!("Waiting for next block creation");
     tokio::time::sleep(Duration::from_secs(TIME_TO_WAIT_FOR_BLOCK_SECONDS)).await;
 
-    let command = Command::FetchPrivateAccount {
+    let wallet_config = fetch_config().unwrap();
-        tx_hash,
-        acc_addr: to.to_string(),
-        output_id: 0,
-    };
-    wallet::execute_subcommand(command).await.unwrap();
     let wallet_storage = WalletCore::start_from_config_update_chain(wallet_config).unwrap();
 
     let acc_to = wallet_storage.get_account_private(&to).unwrap();
@@ -791,6 +747,122 @@ pub async fn test_pinata() {
     info!("Success!");
 }
 
+pub async fn test_pinata_private_receiver() {
+    info!("test_pinata_private_receiver");
+    let pinata_addr = "cafe".repeat(16);
+    let pinata_prize = 150;
+    let solution = 989106;
+
+    let command = Command::ClaimPinataPrivateReceiverOwned {
+        pinata_addr: pinata_addr.clone(),
+        winner_addr: ACC_SENDER_PRIVATE.to_string(),
+        solution,
+    };
+
+    let wallet_config = fetch_config().unwrap();
+
+    let seq_client = SequencerClient::new(wallet_config.sequencer_addr.clone()).unwrap();
+
+    let pinata_balance_pre = seq_client
+        .get_account_balance(pinata_addr.clone())
+        .await
+        .unwrap()
+        .balance;
+
+    let SubcommandReturnValue::PrivacyPreservingTransfer { tx_hash } =
+        wallet::execute_subcommand(command).await.unwrap()
+    else {
+        panic!("invalid subcommand return value");
+    };
+
+    info!("Waiting for next block creation");
+    tokio::time::sleep(Duration::from_secs(TIME_TO_WAIT_FOR_BLOCK_SECONDS)).await;
+
+    info!("Checking correct balance move");
+    let pinata_balance_post = seq_client
+        .get_account_balance(pinata_addr.clone())
+        .await
+        .unwrap()
+        .balance;
+
+    let command = Command::FetchPrivateAccount {
+        tx_hash: tx_hash.clone(),
+        acc_addr: ACC_SENDER_PRIVATE.to_string(),
+        output_id: 0,
+    };
+    wallet::execute_subcommand(command).await.unwrap();
+
+    let wallet_config = fetch_config().unwrap();
+    let seq_client = SequencerClient::new(wallet_config.sequencer_addr.clone()).unwrap();
+    let wallet_storage = WalletCore::start_from_config_update_chain(wallet_config).unwrap();
+
+    let new_commitment1 = wallet_storage
+        .get_private_account_commitment(&ACC_SENDER_PRIVATE.parse().unwrap())
+        .unwrap();
+    assert!(verify_commitment_is_in_state(new_commitment1, &seq_client).await);
+
+    assert_eq!(pinata_balance_post, pinata_balance_pre - pinata_prize);
+
+    info!("Success!");
+}
+
+pub async fn test_pinata_private_receiver_new_account() {
+    info!("test_pinata_private_receiver");
+    let pinata_addr = "cafe".repeat(16);
+    let pinata_prize = 150;
+    let solution = 989106;
+
+    // Create new account for the token supply holder (private)
+    let SubcommandReturnValue::RegisterAccount { addr: winner_addr } =
+        wallet::execute_subcommand(Command::RegisterAccountPrivate {})
+            .await
+            .unwrap()
+    else {
+        panic!("invalid subcommand return value");
+    };
+
+    let command = Command::ClaimPinataPrivateReceiverOwned {
+        pinata_addr: pinata_addr.clone(),
+        winner_addr: winner_addr.to_string(),
+        solution,
+    };
+
+    let wallet_config = fetch_config().unwrap();
+
+    let seq_client = SequencerClient::new(wallet_config.sequencer_addr.clone()).unwrap();
+
+    let pinata_balance_pre = seq_client
+        .get_account_balance(pinata_addr.clone())
+        .await
+        .unwrap()
+        .balance;
+
+    wallet::execute_subcommand(command).await.unwrap();
+
+    info!("Waiting for next block creation");
+    tokio::time::sleep(Duration::from_secs(TIME_TO_WAIT_FOR_BLOCK_SECONDS)).await;
+
+    info!("Checking correct balance move");
+    let pinata_balance_post = seq_client
+        .get_account_balance(pinata_addr.clone())
+        .await
+        .unwrap()
+        .balance;
+
+    let wallet_config = fetch_config().unwrap();
+    let seq_client = SequencerClient::new(wallet_config.sequencer_addr.clone()).unwrap();
+    let wallet_storage = WalletCore::start_from_config_update_chain(wallet_config).unwrap();
+
+    let new_commitment1 = wallet_storage
+        .get_private_account_commitment(&winner_addr)
+        .unwrap();
+    assert!(verify_commitment_is_in_state(new_commitment1, &seq_client).await);
+
+    assert_eq!(pinata_balance_post, pinata_balance_pre - pinata_prize);
+
+    info!("Success!");
+}
+
 macro_rules! test_cleanup_wrap {
     ($home_dir:ident, $test_func:ident) => {{
         let res = pre_test($home_dir.clone()).await.unwrap();
@@ -871,6 +943,12 @@ pub async fn main_tests_runner() -> Result<()> {
         "test_pinata" => {
             test_cleanup_wrap!(home_dir, test_pinata);
         }
+        "test_pinata_private_receiver" => {
+            test_cleanup_wrap!(home_dir, test_pinata_private_receiver);
+        }
+        "test_pinata_private_receiver_new_account" => {
+            test_cleanup_wrap!(home_dir, test_pinata_private_receiver_new_account);
+        }
         "all" => {
             test_cleanup_wrap!(home_dir, test_success_move_to_another_account);
             test_cleanup_wrap!(home_dir, test_success);
@@ -902,6 +980,8 @@ pub async fn main_tests_runner() -> Result<()> {
                 test_success_private_transfer_to_another_owned_account_claiming_path
             );
             test_cleanup_wrap!(home_dir, test_pinata);
+            test_cleanup_wrap!(home_dir, test_pinata_private_receiver);
+            test_cleanup_wrap!(home_dir, test_pinata_private_receiver_new_account);
         }
         "all_private" => {
             test_cleanup_wrap!(
@@ -928,6 +1008,8 @@ pub async fn main_tests_runner() -> Result<()> {
                 home_dir,
                 test_success_private_transfer_to_another_owned_account_claiming_path
             );
+            test_cleanup_wrap!(home_dir, test_pinata_private_receiver);
+            test_cleanup_wrap!(home_dir, test_pinata_private_receiver_new_account);
         }
         _ => {
             anyhow::bail!("Unknown test name");

wallet/src/lib.rs

@@ -14,7 +14,7 @@ use log::info;
 use nssa::{Account, Address};
 
 use clap::{Parser, Subcommand};
-use nssa_core::Commitment;
+use nssa_core::{Commitment, MembershipProof};
 
 use crate::{
     helperfunctions::{
@@ -24,13 +24,12 @@ use crate::{
     poller::TxPoller,
 };
 
-//
-
 pub const HOME_DIR_ENV_VAR: &str = "NSSA_WALLET_HOME_DIR";
 
 pub mod chain_storage;
 pub mod config;
 pub mod helperfunctions;
+pub mod pinata_interactions;
 pub mod poller;
 pub mod token_transfers;
 
@@ -87,24 +86,6 @@ impl WalletCore {
             .generate_new_privacy_preserving_transaction_key_chain()
     }
 
-    pub async fn claim_pinata(
-        &self,
-        pinata_addr: Address,
-        winner_addr: Address,
-        solution: u128,
-    ) -> Result<SendTxResponse, ExecutionFailureKind> {
-        let addresses = vec![pinata_addr, winner_addr];
-        let program_id = nssa::program::Program::pinata().id();
-        let message =
-            nssa::public_transaction::Message::try_new(program_id, addresses, vec![], solution)
-                .unwrap();
-
-        let witness_set = nssa::public_transaction::WitnessSet::for_message(&message, &[]);
-        let tx = nssa::PublicTransaction::new(message, witness_set);
-
-        Ok(self.sequencer_client.send_tx_public(tx).await?)
-    }
-
     pub async fn send_new_token_definition(
         &self,
         definition_address: Address,
@@ -207,6 +188,48 @@ impl WalletCore {
 
         Ok(NSSATransaction::try_from(&pub_tx)?)
     }
+
+    pub async fn check_private_account_initialized(
+        &self,
+        addr: &Address,
+    ) -> Result<Option<MembershipProof>> {
+        if let Some(acc_comm) = self.get_private_account_commitment(addr) {
+            self.sequencer_client
+                .get_proof_for_commitment(acc_comm)
+                .await
+                .map_err(anyhow::Error::from)
+        } else {
+            Ok(None)
+        }
+    }
+
+    pub fn decode_insert_privacy_preserving_transaction_results(
+        &mut self,
+        tx: nssa::privacy_preserving_transaction::PrivacyPreservingTransaction,
+        acc_decode_data: &[(nssa_core::SharedSecretKey, Address)],
+    ) -> Result<()> {
+        for (output_index, (secret, acc_address)) in acc_decode_data.iter().enumerate() {
+            let acc_ead = tx.message.encrypted_private_post_states[output_index].clone();
+            let acc_comm = tx.message.new_commitments[output_index].clone();
+
+            let res_acc = nssa_core::EncryptionScheme::decrypt(
+                &acc_ead.ciphertext,
+                secret,
+                &acc_comm,
+                output_index as u32,
+            )
+            .unwrap();
+
+            println!("Received new acc {res_acc:#?}");
+
+            self.storage
+                .insert_private_account_data(*acc_address, res_acc);
+        }
+
+        println!("Transaction data is {:?}", tx.message);
+
+        Ok(())
+    }
 }
 
 ///Represents CLI command for a wallet
@@ -377,6 +400,19 @@ pub enum Command {
         #[arg(long)]
         solution: u128,
     },
+    // TODO: Testnet only. Refactor to prevent compilation on mainnet.
+    // Claim piñata prize
+    ClaimPinataPrivateReceiverOwned {
+        ///pinata_addr - valid 32 byte hex string
+        #[arg(long)]
+        pinata_addr: String,
+        ///winner_addr - valid 32 byte hex string
+        #[arg(long)]
+        winner_addr: String,
+        ///solution - solution to pinata challenge
+        #[arg(long)]
+        solution: u128,
+    },
 }
 
 ///To execute commands, env var NSSA_WALLET_HOME_DIR must be set into directory with config
@@ -437,39 +473,10 @@ pub async fn execute_subcommand(command: Command) -> Result<SubcommandReturnValu
                 .await?;
 
             if let NSSATransaction::PrivacyPreserving(tx) = transfer_tx {
-                let from_ebc = tx.message.encrypted_private_post_states[0].clone();
+                let acc_decode_data = vec![(secret_from, from), (secret_to, to)];
-                let from_comm = tx.message.new_commitments[0].clone();
-
-                let to_ebc = tx.message.encrypted_private_post_states[1].clone();
-                let to_comm = tx.message.new_commitments[1].clone();
-
-                let res_acc_from = nssa_core::EncryptionScheme::decrypt(
-                    &from_ebc.ciphertext,
-                    &secret_from,
-                    &from_comm,
-                    0,
-                )
-                .unwrap();
-
-                let res_acc_to = nssa_core::EncryptionScheme::decrypt(
-                    &to_ebc.ciphertext,
-                    &secret_to,
-                    &to_comm,
-                    1,
-                )
-                .unwrap();
-
-                println!("Received new from acc {res_acc_from:#?}");
-                println!("Received new to acc {res_acc_to:#?}");
-
-                println!("Transaction data is {:?}", tx.message);
 
                 wallet_core
-                    .storage
+                    .decode_insert_privacy_preserving_transaction_results(tx, &acc_decode_data)?;
-                    .insert_private_account_data(from, res_acc_from);
-                wallet_core
-                    .storage
-                    .insert_private_account_data(to, res_acc_to);
             }
 
             let path = wallet_core.store_persistent_accounts()?;
@@ -496,7 +503,7 @@ pub async fn execute_subcommand(command: Command) -> Result<SubcommandReturnValu
             let to_ipk =
                 nssa_core::encryption::shared_key_derivation::Secp256k1Point(to_ipk.to_vec());
 
-            let (res, [secret_from, secret_to]) = wallet_core
+            let (res, [secret_from, _]) = wallet_core
                 .send_private_native_token_transfer_outer_account(from, to_npk, to_ipk, amount)
                 .await?;
 
@@ -508,36 +515,10 @@ pub async fn execute_subcommand(command: Command) -> Result<SubcommandReturnValu
                 .await?;
 
             if let NSSATransaction::PrivacyPreserving(tx) = transfer_tx {
-                let from_ebc = tx.message.encrypted_private_post_states[0].clone();
+                let acc_decode_data = vec![(secret_from, from)];
-                let from_comm = tx.message.new_commitments[0].clone();
-
-                let to_ebc = tx.message.encrypted_private_post_states[1].clone();
-                let to_comm = tx.message.new_commitments[1].clone();
-
-                let res_acc_from = nssa_core::EncryptionScheme::decrypt(
-                    &from_ebc.ciphertext,
-                    &secret_from,
-                    &from_comm,
-                    0,
-                )
-                .unwrap();
-
-                let res_acc_to = nssa_core::EncryptionScheme::decrypt(
-                    &to_ebc.ciphertext,
-                    &secret_to,
-                    &to_comm,
-                    1,
-                )
-                .unwrap();
-
-                println!("RES acc {res_acc_from:#?}");
-                println!("RES acc to {res_acc_to:#?}");
-
-                println!("Transaction data is {:?}", tx.message);
 
                 wallet_core
-                    .storage
+                    .decode_insert_privacy_preserving_transaction_results(tx, &acc_decode_data)?;
-                    .insert_private_account_data(from, res_acc_from);
             }
 
             let path = wallet_core.store_persistent_accounts()?;
@@ -562,24 +543,10 @@ pub async fn execute_subcommand(command: Command) -> Result<SubcommandReturnValu
                 .await?;
 
             if let NSSATransaction::PrivacyPreserving(tx) = transfer_tx {
-                let from_ebc = tx.message.encrypted_private_post_states[0].clone();
+                let acc_decode_data = vec![(secret, from)];
-                let from_comm = tx.message.new_commitments[0].clone();
-
-                let res_acc_from = nssa_core::EncryptionScheme::decrypt(
-                    &from_ebc.ciphertext,
-                    &secret,
-                    &from_comm,
-                    0,
-                )
-                .unwrap();
-
-                println!("RES acc {res_acc_from:#?}");
-
-                println!("Transaction data is {:?}", tx.message);
 
                 wallet_core
-                    .storage
+                    .decode_insert_privacy_preserving_transaction_results(tx, &acc_decode_data)?;
-                    .insert_private_account_data(from, res_acc_from);
             }
 
             let path = wallet_core.store_persistent_accounts()?;
@@ -604,16 +571,10 @@ pub async fn execute_subcommand(command: Command) -> Result<SubcommandReturnValu
                 .await?;
 
             if let NSSATransaction::PrivacyPreserving(tx) = transfer_tx {
-                let to_ebc = tx.message.encrypted_private_post_states[0].clone();
+                let acc_decode_data = vec![(secret, to)];
-                let to_comm = tx.message.new_commitments[0].clone();
 
-                let res_acc_to =
+                wallet_core
-                    nssa_core::EncryptionScheme::decrypt(&to_ebc.ciphertext, &secret, &to_comm, 0)
+                    .decode_insert_privacy_preserving_transaction_results(tx, &acc_decode_data)?;
-                        .unwrap();
-
-                println!("RES acc to {res_acc_to:#?}");
-
-                println!("Transaction data is {:?}", tx.message);
             }
 
             let path = wallet_core.store_persistent_accounts()?;
@@ -641,29 +602,13 @@ pub async fn execute_subcommand(command: Command) -> Result<SubcommandReturnValu
             let to_ipk =
                 nssa_core::encryption::shared_key_derivation::Secp256k1Point(to_ipk.to_vec());
 
-            let (res, secret) = wallet_core
+            let (res, _) = wallet_core
                 .send_shielded_native_token_transfer_outer_account(from, to_npk, to_ipk, amount)
                 .await?;
 
             println!("Results of tx send is {res:#?}");
 
             let tx_hash = res.tx_hash;
-            let transfer_tx = wallet_core
-                .poll_native_token_transfer(tx_hash.clone())
-                .await?;
-
-            if let NSSATransaction::PrivacyPreserving(tx) = transfer_tx {
-                let to_ebc = tx.message.encrypted_private_post_states[0].clone();
-                let to_comm = tx.message.new_commitments[0].clone();
-
-                let res_acc_to =
-                    nssa_core::EncryptionScheme::decrypt(&to_ebc.ciphertext, &secret, &to_comm, 0)
-                        .unwrap();
-
-                println!("RES acc to {res_acc_to:#?}");
-
-                println!("Transaction data is {:?}", tx.message);
-            }
 
             let path = wallet_core.store_persistent_accounts()?;
 
@@ -847,6 +792,57 @@ pub async fn execute_subcommand(command: Command) -> Result<SubcommandReturnValu
 
             SubcommandReturnValue::Empty
         }
+        Command::ClaimPinataPrivateReceiverOwned {
+            pinata_addr,
+            winner_addr,
+            solution,
+        } => {
+            let pinata_addr = pinata_addr.parse().unwrap();
+            let winner_addr = winner_addr.parse().unwrap();
+
+            let winner_initialization = wallet_core
+                .check_private_account_initialized(&winner_addr)
+                .await?;
+
+            let (res, [secret_winner]) = if let Some(winner_proof) = winner_initialization {
+                wallet_core
+                    .claim_pinata_private_owned_account_already_initialized(
+                        pinata_addr,
+                        winner_addr,
+                        solution,
+                        winner_proof,
+                    )
+                    .await?
+            } else {
+                wallet_core
+                    .claim_pinata_private_owned_account_not_initialized(
+                        pinata_addr,
+                        winner_addr,
+                        solution,
+                    )
+                    .await?
+            };
+
+            info!("Results of tx send is {res:#?}");
+
+            let tx_hash = res.tx_hash;
+            let transfer_tx = wallet_core
+                .poll_native_token_transfer(tx_hash.clone())
+                .await?;
+
+            if let NSSATransaction::PrivacyPreserving(tx) = transfer_tx {
+                let acc_decode_data = vec![(secret_winner, winner_addr)];
+
+                wallet_core
+                    .decode_insert_privacy_preserving_transaction_results(tx, &acc_decode_data)?;
+            }
+
+            let path = wallet_core.store_persistent_accounts()?;
+
+            println!("Stored persistent accounts at {path:#?}");
+
+            SubcommandReturnValue::PrivacyPreservingTransfer { tx_hash }
+        }
     };
 
     Ok(subcommand_ret)

wallet/src/pinata_interactions.rs

@@ -0,0 +1,168 @@
+use common::{ExecutionFailureKind, sequencer_client::json::SendTxResponse};
+use key_protocol::key_management::ephemeral_key_holder::EphemeralKeyHolder;
+use nssa::{Address, privacy_preserving_transaction::circuit};
+use nssa_core::{MembershipProof, SharedSecretKey, account::AccountWithMetadata};
+
+use crate::{WalletCore, helperfunctions::produce_random_nonces};
+
+impl WalletCore {
+    pub async fn claim_pinata(
+        &self,
+        pinata_addr: Address,
+        winner_addr: Address,
+        solution: u128,
+    ) -> Result<SendTxResponse, ExecutionFailureKind> {
+        let addresses = vec![pinata_addr, winner_addr];
+        let program_id = nssa::program::Program::pinata().id();
+        let message =
+            nssa::public_transaction::Message::try_new(program_id, addresses, vec![], solution)
+                .unwrap();
+
+        let witness_set = nssa::public_transaction::WitnessSet::for_message(&message, &[]);
+        let tx = nssa::PublicTransaction::new(message, witness_set);
+
+        Ok(self.sequencer_client.send_tx_public(tx).await?)
+    }
+
+    pub async fn claim_pinata_private_owned_account_already_initialized(
+        &self,
+        pinata_addr: Address,
+        winner_addr: Address,
+        solution: u128,
+        winner_proof: MembershipProof,
+    ) -> Result<(SendTxResponse, [SharedSecretKey; 1]), ExecutionFailureKind> {
+        let Some((winner_keys, winner_acc)) = self
+            .storage
+            .user_data
+            .get_private_account(&winner_addr)
+            .cloned()
+        else {
+            return Err(ExecutionFailureKind::KeyNotFoundError);
+        };
+
+        let pinata_acc = self.get_account_public(pinata_addr).await.unwrap();
+
+        let winner_npk = winner_keys.nullifer_public_key;
+        let winner_ipk = winner_keys.incoming_viewing_public_key;
+
+        let program = nssa::program::Program::pinata();
+
+        let pinata_pre = AccountWithMetadata::new(pinata_acc.clone(), false, pinata_addr);
+        let winner_pre = AccountWithMetadata::new(winner_acc.clone(), true, &winner_npk);
+
+        let eph_holder_winner = EphemeralKeyHolder::new(&winner_npk);
+        let shared_secret_winner = eph_holder_winner.calculate_shared_secret_sender(&winner_ipk);
+
+        let (output, proof) = circuit::execute_and_prove(
+            &[pinata_pre, winner_pre],
+            &nssa::program::Program::serialize_instruction(solution).unwrap(),
+            &[0, 1],
+            &produce_random_nonces(1),
+            &[(winner_npk.clone(), shared_secret_winner.clone())],
+            &[(
+                winner_keys.private_key_holder.nullifier_secret_key,
+                winner_proof,
+            )],
+            &program,
+        )
+        .unwrap();
+
+        let message =
+            nssa::privacy_preserving_transaction::message::Message::try_from_circuit_output(
+                vec![pinata_addr],
+                vec![],
+                vec![(
+                    winner_npk.clone(),
+                    winner_ipk.clone(),
+                    eph_holder_winner.generate_ephemeral_public_key(),
+                )],
+                output,
+            )
+            .unwrap();
+
+        let witness_set =
+            nssa::privacy_preserving_transaction::witness_set::WitnessSet::for_message(
+                &message,
+                proof,
+                &[],
+            );
+        let tx = nssa::privacy_preserving_transaction::PrivacyPreservingTransaction::new(
+            message,
+            witness_set,
+        );
+
+        Ok((
+            self.sequencer_client.send_tx_private(tx).await?,
+            [shared_secret_winner],
+        ))
+    }
+
+    pub async fn claim_pinata_private_owned_account_not_initialized(
+        &self,
+        pinata_addr: Address,
+        winner_addr: Address,
+        solution: u128,
+    ) -> Result<(SendTxResponse, [SharedSecretKey; 1]), ExecutionFailureKind> {
+        let Some((winner_keys, winner_acc)) = self
+            .storage
+            .user_data
+            .get_private_account(&winner_addr)
+            .cloned()
+        else {
+            return Err(ExecutionFailureKind::KeyNotFoundError);
+        };
+
+        let pinata_acc = self.get_account_public(pinata_addr).await.unwrap();
+
+        let winner_npk = winner_keys.nullifer_public_key;
+        let winner_ipk = winner_keys.incoming_viewing_public_key;
+
+        let program = nssa::program::Program::pinata();
+
+        let pinata_pre = AccountWithMetadata::new(pinata_acc.clone(), false, pinata_addr);
+        let winner_pre = AccountWithMetadata::new(winner_acc.clone(), false, &winner_npk);
+
+        let eph_holder_winner = EphemeralKeyHolder::new(&winner_npk);
+        let shared_secret_winner = eph_holder_winner.calculate_shared_secret_sender(&winner_ipk);
+
+        let (output, proof) = circuit::execute_and_prove(
+            &[pinata_pre, winner_pre],
+            &nssa::program::Program::serialize_instruction(solution).unwrap(),
+            &[0, 2],
+            &produce_random_nonces(1),
+            &[(winner_npk.clone(), shared_secret_winner.clone())],
+            &[],
+            &program,
+        )
+        .unwrap();
+
+        let message =
+            nssa::privacy_preserving_transaction::message::Message::try_from_circuit_output(
+                vec![pinata_addr],
+                vec![],
+                vec![(
+                    winner_npk.clone(),
+                    winner_ipk.clone(),
+                    eph_holder_winner.generate_ephemeral_public_key(),
+                )],
+                output,
+            )
+            .unwrap();
+
+        let witness_set =
+            nssa::privacy_preserving_transaction::witness_set::WitnessSet::for_message(
+                &message,
+                proof,
+                &[],
+            );
+        let tx = nssa::privacy_preserving_transaction::PrivacyPreservingTransaction::new(
+            message,
+            witness_set,
+        );
+
+        Ok((
+            self.sequencer_client.send_tx_private(tx).await?,
+            [shared_secret_winner],
+        ))
+    }
+}