Changelog

v0.1.0 (2026-02-11)

Initial release.

  • O2Client high-level trading client.

  • Fuel-native and EVM wallet support (Wallet, EvmWallet).

  • External signer support for KMS/HSM integration (ExternalSigner, ExternalEvmSigner).

  • Full REST API coverage via O2Api.

  • Real-time WebSocket streaming (depth, orders, trades, balances, nonce).

  • Automatic price/quantity scaling, nonce management, and rate-limit retries.

  • Typed error hierarchy with 25+ specific exception classes.