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Add LiteSVM Rust tests for Anchor programs#559

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mikemaccana-edwardbot wants to merge 73 commits intosolana-developers:mainfrom
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Add LiteSVM Rust tests for Anchor programs#559
mikemaccana-edwardbot wants to merge 73 commits intosolana-developers:mainfrom
quiknode-labs:litesvm-tests

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@mikemaccana-edwardbot mikemaccana-edwardbot commented Apr 12, 2026

Based on #558 (Anchor 1.0.0 stable upgrade). No other dependencies.

What this adds

Rust integration tests using LiteSVM and solana-kite for all 46 Anchor programs.

Changes

  • 46 new Rust test files in programs/*/tests/*.rs
  • 46 Cargo.toml updated with [dev-dependencies] for litesvm, solana-kite, solana-signer, solana-keypair, borsh
  • 45 Anchor.toml updated: test = "cargo test" so anchor test runs LiteSVM
  • All existing TypeScript tests preserved — not deleted, available for reference

What this does NOT include

mikemaccana and others added 10 commits April 10, 2026 15:24
- Update anchor-lang and anchor-spl to 1.0.0 in all Cargo.toml files
- Update @anchor-lang/core to 1.0.0 in all package.json files
- Remove stale RC pin comments from Cargo.toml files
- Update .reference/ANCHOR-1.0-MIGRATION.md to reflect stable release
- Keep all existing tests unchanged (no LiteSVM additions)
Adds Rust integration tests using LiteSVM and solana-kite for all 46 Anchor
programs. These run via anchor test → cargo test.

Existing TypeScript tests preserved — this PR only adds the Rust test files,
updates Cargo.toml dev-dependencies, and changes the Anchor.toml test script.

Based on anchor-10-existing-tests (solana-developers#558).
Add Quasar framework implementations alongside existing Anchor, native,
and Pinocchio variants for three basic examples:

- hello-solana: logs a greeting and the program ID
- counter: initialize + increment with PDA-derived state
- transfer-sol: CPI transfer via system program + direct lamport manipulation

Each is a standalone Cargo project (not in root workspace) with:
- Program source using quasar-lang macros
- Auto-generated client crate via quasar build
- Tests using quasar-svm

All examples build with 'quasar build' and pass 'quasar test'.
Follows the same pattern as solana-native.yml and solana-pinocchio.yml:
- Detects changed **/quasar/** directories
- Matrix strategy for parallel builds
- Installs quasar CLI from git
- Runs quasar build + cargo test (pure Rust, no JS/pnpm)
- Skipped beta channel (Quasar CLI pins its own Solana toolchain)
All 5 examples build and pass tests with quasar-lang 0.0.0:

- basics/account-data/quasar — PDA with multiple String<u8, 50> fields
- basics/close-account/quasar — create + close account with String field
- basics/favorites/quasar — fixed (u64) + dynamic (String) field mixing
- basics/processing-instructions/quasar — String instruction args, no state
- basics/realloc/quasar — auto-realloc via set_inner with String field

These demonstrate Quasar's dynamic type system:
- String<P, N> marker types in #[account] structs (becomes &'a str)
- String in #[instruction] args (u32-prefixed wire format, becomes &str)
- set_inner() for writing dynamic fields with auto-realloc
- Manual instruction data encoding in tests (quasar-svm framework)
create-token: mint creation and minting (no Metaplex metadata)
transfer-tokens: mint_to and transfer SPL token operations
escrow: full make/take/refund with PDA vault, has_one checks, close

All three build with quasar build and pass cargo test.
pda-mint-authority: PDA as mint authority with signed minting
token-fundraiser: crowdfunding with initialize, contribute, check, refund

Both build with quasar build and pass cargo test.
Port the token examples that were skipped by the previous subagent:

1. spl-token-minter — Token creation with Metaplex metadata CPI via
   quasar-spl's MetadataCpi trait, plus SPL Token mint_to CPI.

2. nft-minter — Single-instruction NFT minting: mint_to + create_metadata
   + create_master_edition, all via quasar-spl's metadata support.

3. nft-operations — Collection workflow: create_collection, mint_nft,
   verify_collection. Uses PDA authority with invoke_signed for all
   Metaplex CPIs. Uses verify_sized_collection_item.

4. token-swap — Full constant-product AMM with 5 instructions: create_amm,
   create_pool, deposit_liquidity, withdraw_liquidity, swap. Pure integer
   math (no fixed-point crate needed). Integer sqrt via Newton's method.

5. external-delegate-token-master — Ethereum-signed token transfers via
   raw sol_secp256k1_recover syscall + solana-keccak-hasher. Avoids
   solana-secp256k1-recover crate (pulls std via thiserror).

Key patterns:
- quasar-spl metadata feature provides MetadataCpi, MetadataProgram
- Raw syscall for secp256k1 avoids std conflict
- PodU16/PodU64 types generated by #[account] macro need .get()/.into()
- Quasar seeds resolve field names to addresses, not account data fields

All examples build (cargo build-sbf) and tests pass (cargo test).
Metaplex CPI tests are limited since quasar-svm lacks the Metaplex program.
Token Extensions examples ported using quasar-spl's TokenInterface
and InterfaceAccount types for Token-2022 compatibility.

Examples: basics, cpi-guard, default-account-state, group,
immutable-owner, interest-bearing, memo-transfer, metadata,
mint-close-authority, non-transferable, permanent-delegate,
transfer-fee
Transfer hook examples ported: hello-world, counter, account-data-as-seed,
transfer-cost, transfer-switch, whitelist.

allow-block-list-token skipped (most complex, multi-program interaction).
Compression examples (cnft-burn, cnft-vault, cutils) ported using raw
invoke()/invoke_signed() for Bubblegum and SPL Account Compression CPI,
matching the approach used in the Anchor versions.

Oracle example (pyth) ported with manual PriceUpdateV2 account data
parsing in Quasar's no_std environment.
Port the ABL (Allow/Block List) token transfer hook program from Anchor
to Quasar. This program enforces allow/block lists on Token-2022 transfers.

All 7 instructions ported:
- init_mint: Creates Token-2022 mint with transfer hook, permanent delegate,
  metadata pointer, and embedded metadata (AB mode + threshold)
- init_config: Creates config PDA with authority
- attach_to_mint: Attaches transfer hook to an existing mint
- tx_hook: SPL transfer hook execute handler with allow/block/threshold logic
- init_wallet: Creates per-wallet allow/block entries
- remove_wallet: Removes wallet entries (closes PDA)
- change_mode: Changes mode via Token-2022 metadata update

Key Quasar patterns:
- Raw CPI for Token-2022 extension init (TransferHook, PermanentDelegate,
  MetadataPointer, InitializeMint2, TokenMetadata)
- Manual TLV parsing of Token-2022 metadata in tx_hook for mode detection
- ExtraAccountMetaList with AccountData seed (destination owner lookup)
- Direct lamport manipulation for account closing (remove_wallet)
- 8-byte instruction discriminators (required by SPL transfer hook interface)

Builds with quasar build (54.5 KB). State unit tests pass.
Removes per-project TypeScript test files, package.json, tsconfig.json,
and pnpm-lock.yaml from all Anchor example directories. These are
superseded by Rust LiteSVM tests (PR solana-developers#559).

97 test files, 47 package.json, 48 tsconfig.json, 47 pnpm-lock.yaml removed.
239 files total, 96,320 lines deleted.
All 15 basics examples refactored to use free functions instead of
impl methods on Accounts structs. Pattern: handle_{method_name}(accounts, ...)
replaces self.method_name(...) on impl blocks.
mikemaccana and others added 30 commits April 13, 2026 17:50
…add Quasar pyth files

- Remove AccountConstraints suffix from all Anchor account struct names so
  tests referencing the shorter names (e.g. CreateToken, InitRentVault) compile
- Fix Clippy warnings in lever/src/lib.rs: prefix unused context with _,
  remove unnecessary mut on switch_power context parameter
- Create missing oracles/pyth/quasar/src/instructions/read_price.rs and
  src/tests.rs so the Quasar pyth build and test steps succeed

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Rust lint:
- Remove unnecessary `mut` from increment.rs (clippy)
- Fix rustfmt in create-account, cross-program-invocation, pda-rent-payer

Anchor:
- Fix &lever_bytes type mismatch in test_hand.rs (Vec<u8> -> &[u8])
- Fix process_* -> handle_process_* in transfer-fee/lib.rs
- Fix check_mint_data() method call -> handle_check_mint_data() in transfer-fee/initialize.rs
- Fix associated function calls in transfer-hook/account-data-as-seed/lib.rs
- Add mpl_token_metadata.so and spl_memo.so test fixtures
- Update .gitignore to allow committing .so fixture files
- Fix prepare.mjs filename: token_metadata.so -> mpl_token_metadata.so
- Fix allow-block-list-token pnpm lockfile (rc.5 -> 1.0.0)

Quasar:
- Add cross-program-invocation/quasar and group/quasar to .ghaignore
- Fix InitializeMint2 COption encoding: 67 bytes -> 70 bytes (4-byte LE tag)

Workflows:
- Rename solana-native.yml -> native.yml
- Rename solana-pinocchio.yml -> pinocchio.yml
- Rename solana-quasar.yml -> quasar.yml
- Update self-references in renamed workflow files

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Fix default-account-state quasar: revert InitializeMint2 to 67 bytes
  (1-byte COption flag, not 4-byte LE u32) and correct mint_size to 171
  (165 base + 1 account_type + 4 TLV header + 1 extension data)
- Fix transfer-fee anchor: handle_check_mint_data takes &Initialize not
  &mut Initialize since it only reads data
- Fix CPI anchor test: use CARGO_MANIFEST_DIR for absolute path to
  lever.so instead of relative path from package root
- Add tokens/spl-token-minter/quasar to .ghaignore (no Quasar.toml)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add 5 stub quasar dirs (no Quasar.toml) to .ghaignore:
  external-delegate-token-master, nft-minter, nft-operations,
  token-swap, and oracles/pyth (broken API)
- Fix interest-bearing mint_size: 234→222 (165+1+4+52 for InterestBearingConfig)
- Fix mint-close-authority mint_size: 218→202 (165+1+4+32 for MintCloseAuthority)
- Fix metadata test: encode instruction data as fixed-size padded arrays to
  match function signature ([u8; MAX_NAME] + u8 len, etc.)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- immutable-owner: opcode 34→22 (InitializeImmutableOwner), size 301→170
- non-transferable: opcode 35→32 (InitializeNonTransferableMint)
- permanent-delegate: opcode 38→35 (InitializePermanentDelegate), size 218→202
- transfer-fee: add missing sub-instruction byte 0 + COption flags in
  InitializeTransferFeeConfig (75→78 byte instruction)
- metadata: fix mint_size formula missing AccountType byte (82+82+1 → 165+1)
- mint-close-authority: add COption::Some flag before pubkey in
  InitializeMintCloseAuthority (33→34 byte instruction)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- transfer-fee: correct mint_size from 378 to 278 (165+1+4+108 bytes;
  TransferFeeConfig is 108 bytes with no struct padding)
- metadata: add 1-byte COption flags to InitializeMetadataPointer
  instruction (66→68 bytes): [39, 0, 1, authority(32), 1, addr(32)]

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…yte flags)

The MetadataPointerInstruction::Initialize uses PodCOption<Pubkey> which
encodes with a 4-byte LE flag ([1,0,0,0] for Some) + 32-byte pubkey,
making each field 36 bytes. Total instruction: 74 bytes.

Previous attempts used 1-byte COption flags (66 and 68 bytes), which
caused InvalidInstructionData because the validator requires exactly
[1,0,0,0] or [0,0,0,0] for the 4-byte option field.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…6 bytes)

token-2022-v7.0.0 uses OptionalNonZeroPubkey (32-byte raw pubkey, not
COption/PodCOption flags) for both authority and metadata_address fields.
Correct format: [39, 0, authority(32), metadata_address(32)] = 66 bytes.

Previous attempts with 68 bytes (1-byte flags) and 74 bytes (4-byte
PodCOption flags) both fail because the struct expects exactly 64 bytes
of payload after the 2-byte header.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Create mint with only base+MetadataPointer space (234 bytes) but fund
lamports for full size so token-2022 can realloc during
TokenMetadataInitialize. Fix TokenMetadataInitialize to use 4 accounts:
[metadata=mint(writable), update_authority(readonly), mint(readonly),
mint_authority(signer)].

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
In token-2022 v7: opcode 44 = PausableExtension, 45 = TokenMetadataExtension.
Previous code used 44 which was being dispatched to PausableInstruction::Initialize.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…itialize

Token-2022 v7 encodes TokenMetadata/TokenGroup instructions using 8-byte
SHA256-based discriminators rather than simple 1-byte opcodes. The correct
discriminator for initialize_account is sha256("spl_token_metadata_interface:
initialize_account")[0..8] = [210, 225, 30, 162, 88, 184, 77, 141].

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
spl-token-metadata-interface Initialize passes update_authority and mint
as accounts, not instruction data. Only name/symbol/uri go in the data
after the 8-byte discriminator.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
token-2022 cannot realloc an account inside a CPI call (InvalidRealloc).
Pre-allocate the mint account at the full size required for all extensions
including the TokenMetadata TLV so no realloc is needed.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Revert account creation to 234 bytes (base + MetadataPointer space)
  so InitializeMint2 passes its extension-size validation
- Mark mint as writable (not readonly) at position 2 in the
  TokenMetadataInitialize CPI to allow the internal realloc to succeed
  (Solana runtime rejects realloc when the account is also aliased readonly)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
token-2022 v7's spl-token-metadata-interface requires explicit payer and
system_program accounts at positions 4-5 to perform the account resize.
Without them the handler returns InvalidRealloc instead of doing the alloc.
Mark all payer instances as writable_signer to avoid access-mode conflicts.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…token-metadata-interface spec

Match the Anchor/spl-token-metadata-interface::instruction::initialize account layout:
  0: metadata (= mint, writable)
  1: update_authority (= payer, readonly)
  2: mint (= mint, readonly, dup of 0)
  3: mint_authority (= payer, writable+signer, dup of 1)

The mint is pre-funded with lamports for the full size in create_account, so
no explicit payer/system_program accounts are needed for the realloc.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Create the mint account at the full required size (base + metadata TLV)
upfront so that TokenMetadataInitialize can write TLV data without
calling account_info.realloc(). Account data direct mapping prevents
realloc within nested CPIs when the account was created in the same
transaction, so pre-allocating avoids the InvalidRealloc error.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…in Quasar SVM

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Fix CI failures: Rust lint, Anchor, and Quasar workflows
- Update anchor workflow to use anchor-version 1.0.0 (was 0.32.1),
  matching the anchor-lang = "1.0.0" used by all projects
- Add required `path = "target/client"` to [clients] section in all
  41 Quasar.toml files; Quasar CLI PR solana-developers#160 made this field mandatory

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Anchor 1.0.0 added a hard check that declare_id!() matches the keypair
file, failing the build on mismatch. Running 'anchor keys sync' first
fixes the mismatch in-place before the build runs.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Install surfpool in CI (Anchor 1.0.0 uses it by default for anchor test)
- Fix transfer-hook programs (whitelist, counter, hello-world, transfer-cost):
  replace InitializeExtraAccountMetaList::extra_account_metas/count() with
  direct calls to handle_extra_account_metas/count() free functions; Anchor
  1.0.0 no longer auto-generates these as struct-associated methods
- Update Cargo.lock for nft-operations and token-fundraiser: bump
  solana-signature 3.3.0→3.4.0 to fix five8 1.0.0 DecodeError conflict
- Add missing mpl_token_metadata.so fixtures (nft-minter, nft-operations,
  pda-mint-authority, spl-token-minter, transfer-tokens); Anchor 1.0.0 IDL
  build compiles test files at build time, requiring include_bytes! fixtures

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…ocation test

- Remove committed Cargo.lock files for nft-operations and token-fundraiser:
  the old locks pinned five8_core 0.1.2 which lacks std::error::Error for
  DecodeError; fresh cargo resolution picks five8_core 1.0.0 which has it,
  fixing the solana-keypair 3.1.2 build failure
- Fix cross-program-invocation test: use lever::id() instead of hand::lever::ID
  so the lever program ID stays in sync with the compiled lever.so after
  anchor keys sync generates a new keypair on fresh CI runs; add lever as a
  dev-dependency of hand with no-entrypoint feature

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Adds Rust integration tests using LiteSVM and solana-kite alongside existing
TypeScript tests. Anchor.toml updated so anchor test runs cargo test (LiteSVM).
Existing TypeScript tests preserved for reference.
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