Get started with Go

package main

import (
    "errors"
    "fmt"
    "log"
    "os"
    "path/filepath"

    "gitlab.com/ark-bitcoin/bark-ffi-bindings/golang/bark"
)

func main() {
    if err := run(); err != nil {
        log.Fatal(err)
    }
}

func run() error {
    home, err := os.UserHomeDir()
    if err != nil {
        return err
    }
    appDir := filepath.Join(home, ".bark-quickstart")
    if err := os.MkdirAll(appDir, 0o700); err != nil {
        return err
    }

    // Signet tests only: don't store a real mnemonic in an unencrypted file
    mnemonicPath := filepath.Join(appDir, "bark-mnemonic")
    saved, err := os.ReadFile(mnemonicPath)
    mnemonic := string(saved)
    if errors.Is(err, os.ErrNotExist) {
        mnemonic, err = bark.GenerateMnemonic()
        if err == nil {
            err = os.WriteFile(mnemonicPath, []byte(mnemonic), 0o600)
        }
    }
    if err != nil {
        return err
    }

    // Configure the signet endpoints
    esploraAddress := "https://esplora.signet.2nd.dev"
    config := bark.Config{
        ServerAddress:  "https://ark.signet.2nd.dev",
        EsploraAddress: &esploraAddress,
    }

    // Create the wallet in datadir, or reopen it on later launches
    datadir := filepath.Join(appDir, "bark")
    wallet, err := bark.WalletOpen(bark.NetworkSignet, mnemonic, config, bark.WalletOpenArgs{
        Datadir:           datadir,
        CreateIfNotExists: true,
        RunDaemon:         true,
    })
    if err != nil {
        return err
    }
    // Stop the background daemon and release datadir when run() returns
    defer wallet.Destroy()
    fmt.Println("Wallet data directory:", datadir)

    return nil
}