alpaca-mock

Executable mock server for trade mainline and contract-style flows.

Commands:

cargo run -p alpaca-mock
cargo install alpaca-mock

Runtime environment:

• ALPACA_MOCK_LISTEN_ADDR
• ALPACA_DATA_API_KEY
• ALPACA_DATA_SECRET_KEY

Library helpers:

• build_app_from_env
• build_app_with_state
• spawn_test_server
• spawn_test_server_with_state
• MockServerState::with_market_snapshot

docs.rs:

• docs.rs/alpaca-mock

Current public mock focus:

• account
• orders
• positions
• activities

Behavior notes:

• stock and single-option marketable orders fill at mid price
• multi-leg marketable orders fill at composite mid price
• /admin/faults/http injects a one-shot authenticated-route fault
• /admin/reset clears both state and injected faults

Not implemented:

• generic fake market-data generation
• a full broker or exchange simulator