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README.md
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README.md

Wickra Exchange examples

Runnable examples in every supported language. Each paper_trade example is the differentiator demo — an offline paper account fills orders deterministically through the same API a live venue uses.

Rust — examples/rust/

Example What it does
src/health_and_redaction.rs Folding the event stream into a health snapshot, and keeping secrets out of whatever you log.
src/paper_trade.rs The differentiator demo: an offline paper account fills orders deterministically through the same Exchange API a live venue uses.
src/reconcile_after_reconnect.rs Reconciling order state after a dropped stream.
src/ticker.rs Fetch a live public ticker from a venue (no API keys needed for public market data).

C / C++ — examples/c/

Build the library first (cargo build -p wickra-exchange-c --release), then build and run the examples via CMake, as the CI C ABI job does:

cmake -S examples/c -B examples/c/build
cmake --build examples/c/build --config Release
ctest --test-dir examples/c/build -C Release --output-on-failure
Example What it does
paper.cpp Paper-trading example from C++ (the header is extern "C" under __cplusplus).
replay.c Replay-parity example: a recorded tape drives a signal that fills on the book.

C# — examples/csharp/

Example What it does
Program.cs Paper-trade differentiator demo.

Go — examples/go/

Example What it does
paper_trade.go Paper-trade differentiator demo.

R — examples/r/

Example What it does
paper_trade.R A runnable example against this binding.

Java — examples/java/

Example What it does
PaperTrade.java Paper-trade differentiator demo.

Python — examples/python/

Example What it does
paper_trade.py Paper-trade differentiator demo.

Node.js — examples/node/

Example What it does
paper_trade.js Paper-trade differentiator demo.

WASM — examples/wasm/

Build the WASM package, serve the repository root, and open the page in a browser; the module script inside it is what runs (CI parses it with node --check):

wasm-pack build bindings/wasm --target web
python -m http.server 8000     # then open http://localhost:8000/examples/wasm/
Example What it does
paper_trade.html A runnable example against this binding.

Example datasets

The examples are self-contained: the spec and the input are inline, so there is no shared data/ directory to load. The cross-language golden fixtures, which every binding is checked against byte for byte, live in ../golden/.