kingchenc
23d636fd97
Adds a Go binding (`bindings/go`) over the C ABI hub — the second language stecker after C#. ## What's here - **`bindings/go`** — a cgo binding exposing all 514 indicators as idiomatic Go types with `New<Indicator>` constructors and `Update`/`Batch`/`Reset`/`Close` methods. The wrappers in `indicators_gen.go` are generated from `bindings/c/include/wickra.h` (same archetype taxonomy as the C# generator: scalar/batch, multi-output, bars, profile, profile-values, array-input). Opaque handles are freed by `Close()` with a `runtime.SetFinalizer` backstop; pointer arguments are caller-owned, panics never cross the boundary. - **`examples/go`** — the full example suite mirroring C/C#: streaming, backtest, multi_timeframe, parallel_assets (goroutine fan-out), three strategies, and `fetch_btcusdt`/`live_binance`. - **CI** — a `go` job builds the C ABI library, stages it, and runs `gofmt`/`go vet`/`go test` plus the offline examples on Linux, macOS and Windows. - **Docs** — Go added to the README languages table, project layout, building/testing, CONTRIBUTING binding table + regenerate note, ARCHITECTURE, examples index, issue/PR templates, the About-description template, and the other binding READMEs. ## Linking / distribution The binding links the prebuilt C ABI library via cgo (`libwickra.so`/`.dylib`/`wickra.dll` staged under `bindings/go/lib`, gitignored). The native libraries are already shipped per target triple by the existing `c-abi-build` release job; distribution is via the subdirectory module tag `bindings/go/vX.Y.Z` (gated), so `release.yml` needs no new publish job. No Rust crate or `Cargo.toml` change — the Go module is standalone and additive. Not for merge yet (gated, per request).
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Wickra examples — Go
Runnable Go examples for the Wickra Go binding. Each example
is a small main program in its own directory; they share the deterministic
synthetic data, CSV loader, and equity summary in
internal/market.
The binding links against the prebuilt Wickra C ABI library, so build and stage it once before running anything:
cargo build -p wickra-c --release
cp target/release/libwickra.so bindings/go/lib/ # Linux
cp target/release/libwickra.dylib bindings/go/lib/ # macOS
cp target/release/wickra.dll bindings/go/lib/ # Windows (also put it on PATH)
Then run any example from the examples/go module:
cd examples/go
go run ./streaming
| Example | What it does | Run |
|---|---|---|
streaming |
Feed a synthetic price series through SMA / EMA / RSI / MACD tick by tick. | go run ./streaming |
backtest |
Compute a basket of indicators over an OHLCV series and print a summary. | go run ./backtest <ohlcv.csv> |
multi_timeframe |
Resample a 1-minute series into 5m / 15m and print an indicator per timeframe. | go run ./multi_timeframe |
parallel_assets |
SMA(20) batch over a panel of assets, serial vs goroutine fan-out, with speedup. | go run ./parallel_assets 200 5000 |
strategy_rsi_mean_reversion |
RSI(14) mean-reversion with a PnL / Sharpe / max-DD summary. | go run ./strategy_rsi_mean_reversion |
strategy_macd_adx |
MACD crossover entries gated by ADX(14) > 20. | go run ./strategy_macd_adx |
strategy_bollinger_squeeze |
Bollinger-squeeze breakout with an ATR(14) trailing stop. | go run ./strategy_bollinger_squeeze |
fetch_btcusdt |
Download real BTCUSDT klines from the Binance REST API into a CSV. | go run ./fetch_btcusdt |
live_binance |
Stream live Binance klines through EMA(20) over a WebSocket. | go run ./live_binance |
fetch_btcusdt and live_binance require network access; the rest run offline
on deterministic synthetic data.