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v0.1.0 - Initial release

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@daiwanwei daiwanwei released this 02 May 09:14
· 5 commits to main since this release
v0.1.0
32b5cc3

First publishable release of `solana-token-toolkit`.

What's in v0.1

  • Tier 1 (state): `fetch_token_account_state`, `assemble_token_account_state`
  • Tier 2 (mint extensions): `get_token_mint_and_transfer_fee`, `detect_transfer_hooks`, `reject_transfer_hook_mints` (Token-2022 `TransferFeeConfig` + `TransferHook` parsing)
  • Tier 3 (ATA workflow): `prepare_token_accounts` with `WrapSolStrategy::{Ata, Keypair, None}` and full ephemeral-keypair wSOL wrapping path

Key design decisions

  • No global mutable state — `WrapSolStrategy` is per-call
  • Caller-provided rent — Tier 3 stays synchronous
  • Deterministic instruction order — `prepare_token_accounts` sorts by mint pubkey
  • Typed errors throughout — no `anyhow` in public API
  • `WrapSolStrategy::Seed` intentionally NOT supported (protocol-specific to certain DEX implementations, not portable)

Testing

30 tests passing:

  • 15 unit tests
  • 9 integration tests (3 LiteSVM-backed verifying Token-2022 mint extension parsing against real on-chain bytes)
  • 6 doc tests

Compatibility

  • Rust 1.81+ (MSRV 1.89 in Cargo.toml due to current solana-client 3.x requirement)
  • Solana SDK 3.x split crates
  • `spl-token-2022-interface` 2.x

v0.2 deferred items

  • Caller-controlled `Keypair` signer for `WrapSolStrategy::Keypair` (e.g. multisig)
  • `TransferHookInfo.authority` field
  • `close_atas` / `sync_native_only` standalone helpers (only if external feedback warrants)
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