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// //! Comprehensive randomized test for CompressedToken zero-copy methods
// //! Tests zero_copy_at, zero_copy_at_mut, new_zero_copy and setter methods in 1k iterations
// //!
// use light_compressed_account::Pubkey;
// use light_token_interface::state::{
// extensions::ExtensionStructConfig,
// solana_ctoken::{CompressedToken, TokenConfig},
// CompressionInfoConfig, ZExtensionStruct, ZExtensionStructMut,
// };
// use light_zero_copy::traits::{ZeroCopyAt, ZeroCopyAtMut, ZeroCopyNew};
// use rand::{distributions::Standard, prelude::Distribution, Rng};
// use spl_token_2022::{
// solana_program::program_pack::Pack,
// state::{Account, AccountState},
// };
// #[derive(Clone, Debug)]
// struct RandomTokenData {
// mint: Pubkey,
// owner: Pubkey,
// amount: u64,
// delegate: Option<Pubkey>,
// state: u8,
// is_native: Option<u64>,
// delegated_amount: u64,
// close_authority: Option<Pubkey>,
// has_extensions: bool,
// // Extension data
// last_written_slot: u64,
// slots_until_compression: u64,
// compression_authority: Pubkey,
// rent_sponsor: Pubkey,
// }
// impl Distribution<RandomTokenData> for Standard {
// fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> RandomTokenData {
// RandomTokenData {
// mint: rng.gen::<[u8; 32]>().into(),
// owner: rng.gen::<[u8; 32]>().into(),
// amount: rng.gen::<u64>(),
// delegate: if rng.gen_bool(0.3) {
// Some(rng.gen::<[u8; 32]>().into())
// } else {
// None
// },
// state: rng.gen_range(0..=2),
// is_native: if rng.gen_bool(0.2) {
// Some(rng.gen_range(1_000_000..=10_000_000))
// } else {
// None
// },
// delegated_amount: rng.gen::<u64>(),
// close_authority: if rng.gen_bool(0.25) {
// Some(rng.gen::<[u8; 32]>().into())
// } else {
// None
// },
// has_extensions: rng.gen_bool(0.3),
// // Extension data
// last_written_slot: rng.gen::<u64>(),
// slots_until_compression: rng.gen::<u64>(),
// compression_authority: rng.gen::<[u8; 32]>().into(),
// rent_sponsor: rng.gen::<[u8; 32]>().into(),
// }
// }
// }
// fn create_spl_data(data: &RandomTokenData) -> Vec<u8> {
// let account = Account {
// mint: solana_pubkey::Pubkey::new_from_array(data.mint.to_bytes()),
// owner: solana_pubkey::Pubkey::new_from_array(data.owner.to_bytes()),
// amount: data.amount,
// delegate: data
// .delegate
// .map(|d| {
// spl_pod::solana_program_option::COption::Some(
// solana_pubkey::Pubkey::new_from_array(d.to_bytes()),
// )
// })
// .unwrap_or(spl_pod::solana_program_option::COption::None),
// state: match data.state {
// 0 => AccountState::Uninitialized,
// 1 => AccountState::Initialized,
// 2 => AccountState::Frozen,
// _ => AccountState::Initialized,
// },
// is_native: data
// .is_native
// .map(spl_pod::solana_program_option::COption::Some)
// .unwrap_or(spl_pod::solana_program_option::COption::None),
// delegated_amount: data.delegated_amount,
// close_authority: data
// .close_authority
// .map(|ca| {
// spl_pod::solana_program_option::COption::Some(
// solana_pubkey::Pubkey::new_from_array(ca.to_bytes()),
// )
// })
// .unwrap_or(spl_pod::solana_program_option::COption::None),
// };
// let mut account_data = vec![0u8; Account::LEN];
// Account::pack(account, &mut account_data).unwrap();
// if data.has_extensions {
// account_data.push(2u8); // AccountType::Account
// account_data.push(1u8); // Some extensions
// account_data.extend_from_slice(&1u32.to_le_bytes()); // Vec length = 1
// account_data.push(26u8); // Compressible discriminant
// // CompressionInfo: last_written_slot(8) + slots_until_compression(8) + compression_authority(32) + rent_sponsor(32) = 80 bytes
// account_data.extend_from_slice(&data.last_written_slot.to_le_bytes());
// account_data.extend_from_slice(&data.slots_until_compression.to_le_bytes());
// account_data.extend_from_slice(&data.compression_authority.to_bytes());
// account_data.extend_from_slice(&data.rent_sponsor.to_bytes());
// }
// account_data
// }
// fn create_config(data: &RandomTokenData) -> TokenConfig {
// TokenConfig {
// delegate: data.delegate.is_some(),
// is_native: data.is_native.is_some(),
// close_authority: data.close_authority.is_some(),
// extensions: if data.has_extensions {
// vec![ExtensionStructConfig::Compressible(
// CompressionInfoConfig {
// lamports_per_write: true,
// compression_authority: (true, ()),
// rent_sponsor: (true, ()),
// },
// )]
// } else {
// vec![]
// },
// }
// }
// #[test]
// fn test_zero_copy_randomized() {
// let mut rng = rand::thread_rng();
// for iteration in 0..1000 {
// let data: RandomTokenData = rng.gen();
// let mut account_data = create_spl_data(&data);
// // Test zero_copy_at
// {
// let (zc_token, remaining) = CompressedToken::zero_copy_at(&account_data).unwrap();
// assert_eq!(remaining.len(), 0);
// assert_eq!(zc_token.mint.to_bytes(), data.mint.to_bytes());
// assert_eq!(zc_token.owner.to_bytes(), data.owner.to_bytes());
// assert_eq!(u64::from(*zc_token.amount), data.amount);
// assert_eq!(zc_token.state, data.state);
// assert_eq!(u64::from(*zc_token.delegated_amount), data.delegated_amount);
// assert_eq!(zc_token.extensions.is_some(), data.has_extensions);
// // Verify optional fields
// match (zc_token.delegate, &data.delegate) {
// (Some(zc_del), Some(data_del)) => {
// assert_eq!(zc_del.to_bytes(), data_del.to_bytes())
// }
// (None, None) => {}
// _ => panic!("Iteration {}: delegate mismatch", iteration),
// }
// match (zc_token.is_native, &data.is_native) {
// (Some(zc_native), Some(data_native)) => {
// assert_eq!(u64::from(*zc_native), *data_native)
// }
// (None, None) => {}
// _ => panic!("Iteration {}: is_native mismatch", iteration),
// }
// match (zc_token.close_authority, &data.close_authority) {
// (Some(zc_close), Some(data_close)) => {
// assert_eq!(zc_close.to_bytes(), data_close.to_bytes())
// }
// (None, None) => {}
// _ => panic!("Iteration {}: close_authority mismatch", iteration),
// }
// if let Some(extension) = zc_token.extensions.as_ref() {
// assert_eq!(extension.len(), 1);
// match &extension[0] {
// ZExtensionStruct::Compressible(e) => {
// assert_eq!(u64::from(e.last_written_slot), data.last_written_slot);
// assert_eq!(e.compression_authority.to_bytes(), data.compression_authority.to_bytes());
// assert_eq!(e.rent_sponsor.to_bytes(), data.rent_sponsor.to_bytes());
// assert_eq!(
// u64::from(e.slots_until_compression),
// data.slots_until_compression
// );
// }
// _ => panic!("Invalid extension"),
// }
// } else if data.has_extensions {
// panic!("should have extensions");
// }
// }
// {
// let (zc_token, remaining) =
// CompressedToken::zero_copy_at_mut(&mut account_data).unwrap();
// assert_eq!(remaining.len(), 0);
// assert_eq!(zc_token.mint.to_bytes(), data.mint.to_bytes());
// assert_eq!(zc_token.owner.to_bytes(), data.owner.to_bytes());
// assert_eq!(u64::from(*zc_token.amount), data.amount);
// assert_eq!(*zc_token.state, data.state);
// assert_eq!(u64::from(*zc_token.delegated_amount), data.delegated_amount);
// assert_eq!(zc_token.extensions.is_some(), data.has_extensions);
// // Verify optional fields
// match (zc_token.delegate.as_ref(), &data.delegate) {
// (Some(zc_del), Some(data_del)) => {
// assert_eq!(zc_del.to_bytes(), data_del.to_bytes())
// }
// (None, None) => {}
// _ => panic!("Iteration {}: delegate mismatch", iteration),
// }
// match (zc_token.is_native.as_ref(), &data.is_native) {
// (Some(zc_native), Some(data_native)) => {
// assert_eq!(u64::from(**zc_native), *data_native)
// }
// (None, None) => {}
// _ => panic!("Iteration {}: is_native mismatch", iteration),
// }
// match (zc_token.close_authority.as_ref(), &data.close_authority) {
// (Some(zc_close), Some(data_close)) => {
// assert_eq!(zc_close.to_bytes(), data_close.to_bytes())
// }
// (None, None) => {}
// _ => panic!("Iteration {}: close_authority mismatch", iteration),
// }
// if let Some(extension) = zc_token.extensions.as_ref() {
// assert_eq!(extension.len(), 1);
// match &extension[0] {
// ZExtensionStructMut::Compressible(e) => {
// assert_eq!(u64::from(e.last_written_slot), data.last_written_slot);
// assert_eq!(e.compression_authority.to_bytes(), data.compression_authority.to_bytes());
// assert_eq!(e.rent_sponsor.to_bytes(), data.rent_sponsor.to_bytes());
// assert_eq!(
// u64::from(e.slots_until_compression),
// data.slots_until_compression
// );
// }
// _ => panic!("Invalid extension"),
// }
// } else if data.has_extensions {
// panic!("should have extensions");
// }
// }
// }
// }
// #[test]
// fn test_zero_copy_mutate_randomized() {
// let mut rng = rand::thread_rng();
// for iteration in 0..1000 {
// let data: RandomTokenData = rng.gen();
// let account_data = create_spl_data(&data);
// // Test zero_copy_at
// let (zc_token, remaining) = CompressedToken::zero_copy_at(&account_data).unwrap();
// assert_eq!(remaining.len(), 0);
// assert_eq!(zc_token.mint.to_bytes(), data.mint.to_bytes());
// assert_eq!(zc_token.owner.to_bytes(), data.owner.to_bytes());
// assert_eq!(u64::from(*zc_token.amount), data.amount);
// assert_eq!(zc_token.state, data.state);
// assert_eq!(u64::from(*zc_token.delegated_amount), data.delegated_amount);
// assert_eq!(zc_token.extensions.is_some(), data.has_extensions);
// // Verify optional fields
// match (zc_token.delegate, &data.delegate) {
// (Some(zc_del), Some(data_del)) => assert_eq!(zc_del.to_bytes(), data_del.to_bytes()),
// (None, None) => {}
// _ => panic!("Iteration {}: delegate mismatch", iteration),
// }
// match (zc_token.is_native, &data.is_native) {
// (Some(zc_native), Some(data_native)) => assert_eq!(u64::from(*zc_native), *data_native),
// (None, None) => {}
// _ => panic!("Iteration {}: is_native mismatch", iteration),
// }
// match (zc_token.close_authority, &data.close_authority) {
// (Some(zc_close), Some(data_close)) => {
// assert_eq!(zc_close.to_bytes(), data_close.to_bytes())
// }
// (None, None) => {}
// _ => panic!("Iteration {}: close_authority mismatch", iteration),
// }
// // Test zero_copy_at_mut with mutations
// let mut account_data_mut = account_data.clone();
// let new_state = rng.gen_range(0..=2);
// let new_delegate = if rng.gen_bool(0.5) {
// Some(rng.gen::<[u8; 32]>().into())
// } else {
// None
// };
// let new_is_native = if rng.gen_bool(0.5) {
// Some(rng.gen::<u64>())
// } else {
// None
// };
// let new_close_authority = if rng.gen_bool(0.5) {
// Some(rng.gen::<[u8; 32]>().into())
// } else {
// None
// };
// let new_mint = rng.gen::<[u8; 32]>().into();
// let new_owner = rng.gen::<[u8; 32]>().into();
// let new_amount = rng.gen::<u64>().into();
// let new_delegated_amount = rng.gen::<u64>().into();
// {
// let (mut zc_token_mut, _) =
// CompressedToken::zero_copy_at_mut(&mut account_data_mut).unwrap();
// // Test mutations
// *zc_token_mut.mint = new_mint;
// *zc_token_mut.owner = new_owner;
// *zc_token_mut.amount = new_amount;
// *zc_token_mut.state = new_state;
// *zc_token_mut.delegated_amount = new_delegated_amount;
// zc_token_mut.set_delegate(new_delegate).unwrap();
// zc_token_mut.set_is_native(new_is_native).unwrap();
// zc_token_mut
// .set_close_authority(new_close_authority)
// .unwrap();
// }
// // Verify mutations persisted by re-parsing
// {
// let (zc_token_after, _) = CompressedToken::zero_copy_at(&account_data_mut).unwrap();
// assert_eq!(zc_token_after.mint.to_bytes(), new_mint.to_bytes());
// assert_eq!(zc_token_after.owner.to_bytes(), new_owner.to_bytes());
// assert_eq!(*zc_token_after.amount, new_amount);
// assert_eq!(zc_token_after.state, new_state);
// assert_eq!(*zc_token_after.delegated_amount, new_delegated_amount);
// }
// // Test new_zero_copy round-trip
// let config = create_config(&data);
// let required_size = CompressedToken::byte_len(&config).unwrap();
// let mut buffer = vec![0u8; required_size];
// {
// let (zc_new_token, remaining) =
// CompressedToken::new_zero_copy(&mut buffer, config.clone()).unwrap();
// assert_eq!(remaining.len(), 0);
// assert_eq!(*zc_new_token.state, 1); // Should be initialized
// assert_eq!(zc_new_token.delegate.is_some(), config.delegate);
// assert_eq!(zc_new_token.is_native.is_some(), config.is_native);
// assert_eq!(
// zc_new_token.close_authority.is_some(),
// config.close_authority
// );
// assert_eq!(
// zc_new_token.extensions.is_some(),
// !config.extensions.is_empty()
// );
// }
// // Verify new_zero_copy result can be re-parsed
// let (zc_reparsed, _) = CompressedToken::zero_copy_at(&buffer).unwrap();
// assert_eq!(zc_reparsed.state, 1);
// assert_eq!(zc_reparsed.delegate.is_some(), config.delegate);
// assert_eq!(zc_reparsed.is_native.is_some(), config.is_native);
// assert_eq!(
// zc_reparsed.close_authority.is_some(),
// config.close_authority
// );
// // Test PartialEq implementation (only for tokens without extensions for simplicity)
// if !data.has_extensions {
// let regular_token = CompressedToken {
// mint: data.mint,
// owner: data.owner,
// amount: data.amount,
// delegate: data.delegate,
// state: data.state,
// is_native: data.is_native,
// delegated_amount: data.delegated_amount,
// close_authority: data.close_authority,
// extensions: None,
// };
// assert_eq!(zc_token, regular_token);
// assert_eq!(regular_token, zc_token);
// }
// }
// }