// Command nostrino-testnode serves a deterministic regtest chain with BIP157
// compact filters. It is a development fixture for the bridge and light
// client, not a Bitcoin node.
package main

import (
	"flag"
	"fmt"
	"os"
	"os/signal"
	"syscall"

	"git.smesh.lol/nostrino/internal/testnode"
	"git.smesh.lol/nostrino/pkg/chain"
)

func main() {
	listen := flag.String("listen", "127.0.0.1:18444", "listen address")
	blocks := flag.Int("blocks", 50, "blocks after genesis")
	flag.Parse()

	profile := chain.Regtest
	node, err := testnode.New(&profile, testnode.Config{Blocks: *blocks})
	if err != nil {
		fmt.Fprintln(os.Stderr, "nostrino-testnode:", err)
		os.Exit(1)
	}
	addr, err := node.Listen(*listen)
	if err != nil {
		fmt.Fprintln(os.Stderr, "nostrino-testnode:", err)
		os.Exit(1)
	}
	fmt.Printf("testnode listening on %s height=%d\n", addr, node.Height())
	if h, ok := node.Header(node.Height()); ok {
		fmt.Printf("tip: %d %s\n", node.Height(), h.BlockHash())
	}
	sig := make(chan os.Signal, 1)
	signal.Notify(sig, os.Interrupt, syscall.SIGTERM)
	<-sig
	node.Close()
}