Rename folders (#97)

* Rename arkd folder & drop cli

* Rename ark cli folder & update docs

* Update readme

* Fix

* scripts: add build-all

* Add target to build cli for all platforms

* Update build scripts

---------

Co-authored-by: tiero <3596602+tiero@users.noreply.github.com>

client/main.go

@@ -0,0 +1,167 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"os/user"
+	"path/filepath"
+	"strings"
+
+	"github.com/ark-network/ark/common"
+	"github.com/urfave/cli/v2"
+	"github.com/vulpemventures/go-elements/network"
+)
+
+const (
+	DATADIR_ENVVAR = "ARK_WALLET_DATADIR"
+	STATE_FILE     = "state.json"
+	defaultNetwork = "testnet"
+)
+
+var (
+	version = "alpha"
+
+	datadir     = common.AppDataDir("ark-cli", false)
+	statePath   = filepath.Join(datadir, STATE_FILE)
+	explorerUrl = map[string]string{
+		network.Liquid.Name:  "https://blockstream.info/liquid/api",
+		network.Testnet.Name: "https://blockstream.info/liquidtestnet/api",
+	}
+
+	initialState = map[string]string{
+		"ark_url":               "",
+		"ark_pubkey":            "",
+		"encrypted_private_key": "",
+		"password_hash":         "",
+		"public_key":            "",
+		"network":               defaultNetwork,
+	}
+)
+
+func initCLIEnv() {
+	dir := cleanAndExpandPath(os.Getenv(DATADIR_ENVVAR))
+	if len(dir) <= 0 {
+		return
+	}
+
+	datadir = dir
+	statePath = filepath.Join(datadir, STATE_FILE)
+}
+
+func main() {
+	initCLIEnv()
+
+	app := cli.NewApp()
+
+	app.Version = version
+	app.Name = "Ark CLI"
+	app.Usage = "command line interface for Ark wallet"
+	app.Commands = append(
+		app.Commands,
+		&balanceCommand,
+		&configCommand,
+		&faucetCommand,
+		&initCommand,
+		&receiveCommand,
+		&redeemCommand,
+		&sendCommand,
+	)
+
+	app.Before = func(ctx *cli.Context) error {
+		if _, err := os.Stat(datadir); os.IsNotExist(err) {
+			return os.Mkdir(datadir, os.ModeDir|0755)
+		}
+		return nil
+	}
+
+	err := app.Run(os.Args)
+	if err != nil {
+		fmt.Println(fmt.Errorf("error: %v", err))
+		os.Exit(1)
+	}
+}
+
+// cleanAndExpandPath expands environment variables and leading ~ in the
+// passed path, cleans the result, and returns it.
+// This function is taken from https://github.com/btcsuite/btcd
+func cleanAndExpandPath(path string) string {
+	if path == "" {
+		return ""
+	}
+
+	// Expand initial ~ to OS specific home directory.
+	if strings.HasPrefix(path, "~") {
+		var homeDir string
+		u, err := user.Current()
+		if err == nil {
+			homeDir = u.HomeDir
+		} else {
+			homeDir = os.Getenv("HOME")
+		}
+
+		path = strings.Replace(path, "~", homeDir, 1)
+	}
+
+	// NOTE: The os.ExpandEnv doesn't work with Windows-style %VARIABLE%,
+	// but the variables can still be expanded via POSIX-style $VARIABLE.
+	return filepath.Clean(os.ExpandEnv(path))
+}
+
+func getState() (map[string]string, error) {
+	file, err := os.ReadFile(statePath)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return nil, err
+		}
+		if err := setInitialState(); err != nil {
+			return nil, err
+		}
+		return initialState, nil
+	}
+
+	data := map[string]string{}
+	if err := json.Unmarshal(file, &data); err != nil {
+		return nil, err
+	}
+
+	return data, nil
+}
+
+func setInitialState() error {
+	jsonString, err := json.Marshal(initialState)
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(statePath, jsonString, 0755)
+}
+
+func setState(data map[string]string) error {
+	currentData, err := getState()
+	if err != nil {
+		return err
+	}
+
+	mergedData := merge(currentData, data)
+
+	jsonString, err := json.Marshal(mergedData)
+	if err != nil {
+		return err
+	}
+	err = os.WriteFile(statePath, jsonString, 0755)
+	if err != nil {
+		return fmt.Errorf("writing to file: %w", err)
+	}
+
+	return nil
+}
+
+func merge(maps ...map[string]string) map[string]string {
+	merge := make(map[string]string, 0)
+	for _, m := range maps {
+		for k, v := range m {
+			merge[k] = v
+		}
+	}
+	return merge
+}