v0.3.0 - Block Trade, Combo Books, and Wallet Models

🚀 deribit-base v0.3.0

A major release with new model types for Block Trade, Combo Books, and Wallet API categories, plus dependency updates and documentation improvements.

✨ New Features

Block Trade Models (src/model/block_trade.rs)

• BlockTradeRole — Maker/taker role enumeration
• BlockTradeLeg — Single trade leg in a block trade
• VerifyBlockTradeRequest — Signature verification request
• BlockTradeSignature — Signature response structure
• ExecuteBlockTradeRequest — Block trade execution request
• BlockTrade — Executed block trade representation
• BlockTradeExecution — Individual trade within a block

Combo Books Models (src/model/combo.rs)

• ComboState — RFQ/active/inactive state enumeration
• ComboLeg — Instrument leg with direction multiplier
• ComboTradeLeg — Trade leg for combo creation
• CreateComboRequest — Combo creation request
• ComboDetails — Full combo instrument details
• ComboIds — List of combo identifiers

Wallet Models (src/model/wallet.rs)

• WithdrawalState — Withdrawal state enumeration (unconfirmed/confirmed/cancelled/completed/interrupted/rejected)
• WithdrawalPriority — BTC withdrawal priority levels
• DepositAddress — Deposit address response structure
• WithdrawalRequest — Withdrawal submission request
• DepositId — Deposit identification for clearance operations
• ClearanceOriginator — Compliance originator information
• ClearanceState — Deposit clearance state enumeration

Market Data Models (src/model/market_data.rs)

• MarkPricePoint — Mark price data point
• MarkPriceHistory — Historical mark price data
• TradeVolume — Trade volume statistics
• VolatilityIndexCandle — Volatility index candle data
• VolatilityIndexData — Volatility index data
• IndexType — Index type enumeration

Order Management Extensions (src/model/order_management.rs)

• LinkedOrderType — OTO/OCO/OTOCO linked order types
• TriggerFillCondition — Trigger fill condition enumeration
• Extended BuyOrderRequest with advanced order options

🔧 Changes

Dependencies Updated

• Bumped Rust edition to 2024
• Updated rand from 0.9 to 0.10
• Updated actions/checkout from 2 to 6
• Updated codecov/codecov-action from 4 to 5

CI/CD Improvements

• Added Dependabot configuration for automated dependency updates
• Cargo and GitHub Actions dependencies are now automatically monitored

Documentation

• Added documentation for 32 previously undocumented items
• All public methods in OptionInstrumentPair now have /// docs
• All fields in BuyOrderRequest now documented
• LinkedOrderType and TriggerFillCondition enums fully documented

Bug Fixes

• Fixed OrderSide enum serde renames and as_str() method (thanks @aaaronme!)
• Fixed rand 0.10 API compatibility (use RngExt for random())

📊 Quality Metrics

• 377 tests passing ✅
• Zero clippy warnings ✅
• Zero compilation warnings ✅
• Complete documentation coverage ✅

🙏 Contributors

Special thanks to the contributors who helped make this release possible:

• @aaaronme — Fixed OrderSide enum serde renames (#2)
• @dependabot — Automated dependency updates

📦 Installation

[dependencies]
deribit-base = "0.3.0"

🔗 Links

• Full Changelog
• Documentation
• Crates.io