- Write TransactionStatusMeta for RPC getBlock/getTransaction
- Store block rewards and unix timestamp when rooting slots
- Add SPL token parsing and transaction cost model

Specify std.atomic.Value(i64) type on slot_block_time declarations
to fix type inference.

Use unix_timestamp.load(.monotonic) for live slot data accuracy.

- Update transaction version to use a labeled block
- Rename SPL_ASSOCIATED_TOKEN_ACCOUNT_ID to SPL_ASSOCIATED_TOKEN_ACC_ID
- Remove commented-out ParsedInstruction union code
- Add doc comment for ParsedInstruction struct
- Apply consistent formatting to pubkeyToValue calls

…on metadata

- Replace string pubkeys/hashes with typed Pubkey/Hash/Signature throughout
- Add FallbackAccountReader to check both writes and account store for mints
- Add custom jsonStringify methods for proper Agave-compatible serialization
- Remove unnecessary manual memory freeing for typed fields
- Fix inner instructions to use UiInstruction union type
- Support all transaction encoding formats (binary/base58/base64/json)

- Change UiInstruction.parsed to store a pointer instead of value
- Add allocParsed helper to heap-allocate parsed instructions
- Reduces union size by avoiding large inline struct

- Deinit inner items of inner_instructions, pre/post_token_balances before freeing slices
- Change pre/post token balance cleanup from defer to errdefer in Committer since ownership transfers to TransactionStatusMeta

- Add exactFloat helpers to format f64 with decimal point (e.g. "3.0" instead of "3e0")
- Use number_string instead of float for uiAmount in parsed token balances
- Update test expectation to reflect correct "1.0" serialization

- Deinit inner items of inner_instructions, pre/post_token_balances before freeing slices
- Change pre/post token balance cleanup from defer to errdefer in Committer since ownership transfers to TransactionStatusMeta

…256r1 cost model

- Change resolveTokenBalances return type to error{OutOfMemory}- Use appendAssumeCapacity since list is pre-allocated to exact size
- Add catch null at Committer call sites to preserve existing behavior
- Enable secp256r1 precompile signature cost calculation in cost_model
- Minor style cleanups in spl_token helpers
- Add ED25519_VERIFY_STRICT_COST constant alongside existing ED25519_VERIFY_COST
- Add remove_simple_vote_from_cost_model to features.zon
- Gate simple vote static cost on remove_simple_vote_from_cost_model feature
- Pass feature_set and slot to cost model functions for feature-gated behavior
- Use strict ed25519 verify cost (2400 CU) only when feature is active, non-strict (2280 CU) otherwise

… methods

- Delete duplicate ReservedAccountKeys in rpc/parse_instruction
- Add initAllActivated constructor to core ReservedAccounts
- Add errdefer to initForSlot for proper cleanup on update failure
- Change ACCOUNTS from slice to array type for use with .len
- Update LoadedMessage and transaction.Message to use PubkeyMap(void)
- Remove stale commented-out code in ParsedInstruction

- Remove LoadedMessage wrapper and its writable cache in favor of calling Message.isWritable with optional lookups
- Remove duplicate isMaybeWritable/isWritableIndex/demoteProgramId helpers from Message
- Simplify EncodedTransaction.binary to use anonymous struct (tuple)
- Remove unused buildPartiallyDecoded function from parse_instruction
- Reorder FinalizeStateParams fields for grouping clarity
- Improve CPI instruction data clone comment to explain use-after-free risk

- Move LedgerHookContext from methods.zig to rpc/hook_contexts/Ledger.zig
- Create rpc/hook_contexts/lib.zig module entry point
- Update cmd.zig import path to use new module location
- Move all associated tests to the new file

- Use colon-separated test name format (module.function: description)
- Use camelCase for enum variants in TokenInstructionTag and TokenAuthorityType
- Remove exhaustive enum sentinel values, rely on compiler exhaustiveness
- Inline TokenAuthorityType methods as switch expressions at call site
- Remove section separator comments, add agave reference links instead
- Alphabetize and inline import aliases in parse_instruction

- Add parsers for all 14 token extension types (transferFee,
  confidentialTransfer, defaultAccountState, memoTransfer, etc.)
- Add helper functions for reading OptionalNonZeroPubkey and COption<Pubkey>
- Parse sub-instruction tags, account keys, and data fields per agave spec
- Replace stub that returned DeserializationFailed for all extensions

- Rename allocator parameters to arena throughout Ledger and parse_instruction
- Remove errdefer/defer free calls that are redundant with arena allocation
- Convert tests to use ArenaAllocator instead of testing.allocator directly
- Fix arena.reset() calls to not discard return value

- Break long function call arguments across multiple lines
- Wrap info.put and parseSigners calls to stay within line limits
- Reformat extension dispatch calls in parseTokenInstruction