Go

Go bindings for wickra-gym — a deterministic, Gymnasium-compatible backtest environment — over the C ABI via cgo. A rollout is byte-identical to every other language binding.

bash

go get github.com/wickra-lib/wickra-gym-go

package main

import (
	"encoding/json"
	"fmt"

	wickra "github.com/wickra-lib/wickra-gym-go"
)

func main() {
	spec := `{"dataset_ref":"demo","symbol":"BTCUSDT",
	  "observation":{"features":[{"kind":"price","field":"close"}]},
	  "action_space":{"type":"discrete","n":3},
	  "reward":"pnl","episode":{"max_steps":256,"warmup":0}}`

	env, err := wickra.New(spec)
	if err != nil {
		panic(err)
	}
	defer env.Free()

	candles := make([]map[string]float64, 300)
	for i := range candles {
		p := 100.0 + float64(i)
		candles[i] = map[string]float64{"ts": float64(i), "open": p, "high": p, "low": p, "close": p}
	}
	load, _ := json.Marshal(map[string]any{"cmd": "load", "candles": candles})
	env.Command(string(load))

	reset, _ := env.Command(`{"cmd":"reset","seed":0}`)
	fmt.Println(reset)
	step, _ := env.Command(`{"cmd":"step","action":2}`)
	fmt.Println(step)
}

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