ZoneCoinプラットフォーム — メタバース＆ゲーム統合 | ZoneCoin

// ZoneCoin Payment Terminal — Second Life
// Drop this script into any prim to create a payment terminal

string  API_URL  = "https://zonecoin.zonenations.com/api/index.php/v1/zonecoin";
string  API_KEY  = "YOUR_API_KEY";
string  MERCHANT = "your-merchant-id";
key     httpReq;

default {
    state_entry() {
        llSetText("ZoneCoin Payment Terminal\nTouch to pay", <0.4, 0.9, 1.0>, 1.0);
        llSetTimerEvent(300.0); // Heartbeat every 5 min
    }

    touch_start(integer n) {
        key buyer = llDetectedKey(0);
        string name = llDetectedName(0);
        llTextBox(buyer, "Enter amount in ZC:", 1);
    }

    listen(integer ch, string name, key id, string msg) {
        float amount = (float)msg;
        if (amount <= 0) { llInstantMessage(id, "Invalid amount."); return; }

        string body = llList2Json(JSON_OBJECT, [
            "action",   "pay",
            "amount",   (string)amount,
            "ref",      "SL-" + (string)llGetUnixTime(),
            "buyer",    (string)id,
            "merchant", MERCHANT
        ]);

        httpReq = llHTTPRequest(API_URL + "/pay", [
            HTTP_METHOD, "POST",
            HTTP_MIMETYPE, "application/json",
            HTTP_CUSTOM_HEADER, "Authorization", "Bearer " + API_KEY,
            HTTP_CUSTOM_HEADER, "X-ZoneCoin-Timestamp", (string)llGetUnixTime()
        ], body);
    }

    http_response(key req, integer status, list meta, string body) {
        if (req != httpReq) return;
        if (status == 200) {
            string txId = llJsonGetValue(body, ["txId"]);
            llSay(0, "✅ Payment confirmed! TX: " + txId);
        } else {
            llSay(0, "❌ Payment failed: " + body);
        }
    }

    timer() {
        llHTTPRequest(API_URL + "/heartbeat", [
            HTTP_METHOD, "GET",
            HTTP_CUSTOM_HEADER, "Authorization", "Bearer " + API_KEY
        ], "");
    }
}

残高チェッカー

LSL

// ZoneCoin Balance Checker — Second Life
// Touch to check your ZoneCoin wallet balance

string API_URL = "https://zonecoin.zonenations.com/api/index.php/v1/zonecoin";
string API_KEY = "YOUR_API_KEY";
key    httpReq;
key    requester;

default {
    state_entry() {
        llSetText("ZoneCoin Balance\nTouch to check", <0.2, 0.8, 0.6>, 1.0);
    }

    touch_start(integer n) {
        requester = llDetectedKey(0);
        httpReq = llHTTPRequest(API_URL + "/balance/" + (string)requester, [
            HTTP_METHOD, "GET",
            HTTP_CUSTOM_HEADER, "Authorization", "Bearer " + API_KEY
        ], "");
    }

    http_response(key req, integer status, list meta, string body) {
        if (req != httpReq) return;
        if (status == 200) {
            string bal = llJsonGetValue(body, ["balance"]);
            string cur = llJsonGetValue(body, ["currency"]);
            llInstantMessage(requester, "💰 Your ZoneCoin balance: " + bal + " " + cur);
        } else {
            llInstantMessage(requester, "❌ Could not retrieve balance.");
        }
    }
}

⬛ Unity

ZoneCoin Unity SDKは、完全なasync/coroutineサポートを備えたMonoBehaviourベースのシングルトンを提供します。自動HMAC-SHA256署名で決済、残高照会、P2P送金を処理します。

ZoneCoinSDK.cs

C#

using System;
using System.Collections;
using System.Security.Cryptography;
using System.Text;
using UnityEngine;
using UnityEngine.Networking;

namespace ZoneCoin.SDK
{
    /// <summary>
    /// ZoneCoin SDK for Unity — handles payments, balance queries
    /// and webhook verification via the ZoneCoin REST API.
    /// </summary>
    public class ZoneCoinSDK : MonoBehaviour
    {
        [Header("Configuration")]
        [SerializeField] private string apiUrl   = "https://zonecoin.zonenations.com/api/index.php/v1/zonecoin";
        [SerializeField] private string apiKey   = "";
        [SerializeField] private string secret   = "";
        [SerializeField] private string merchant = "";

        public static ZoneCoinSDK Instance { get; private set; }

        private void Awake()
        {
            if (Instance != null) { Destroy(gameObject); return; }
            Instance = this;
            DontDestroyOnLoad(gameObject);
        }

        // ── Balance ───────────────────────────────────────────
        public void GetBalance(string wallet, Action<decimal> onSuccess, Action<string> onError = null)
        {
            StartCoroutine(GetRequest($"{apiUrl}/balance/{wallet}", json => {
                var balance = decimal.Parse(JsonUtility.FromJson<BalanceResponse>(json).balance);
                onSuccess?.Invoke(balance);
            }, onError));
        }

        // ── Pay ───────────────────────────────────────────────
        public void Pay(decimal amount, string reference, bool isFiat,
                        Action<PayResult> onSuccess, Action<string> onError = null)
        {
            var body = JsonUtility.ToJson(new PayRequest {
                amount   = amount.ToString("F2"),
                ref_id   = reference,
                merchant = merchant,
                isFiat   = isFiat
            });
            StartCoroutine(PostRequest($"{apiUrl}/pay", body, json => {
                onSuccess?.Invoke(JsonUtility.FromJson<PayResult>(json));
            }, onError));
        }

        // ── Transfer ──────────────────────────────────────────
        public void Transfer(string toWallet, decimal amount,
                             Action<string> onSuccess, Action<string> onError = null)
        {
            var body = JsonUtility.ToJson(new TransferRequest {
                to     = toWallet,
                amount = amount.ToString("F2")
            });
            StartCoroutine(PostRequest($"{apiUrl}/transfer", body, json => {
                onSuccess?.Invoke(JsonUtility.FromJson<TxResponse>(json).txId);
            }, onError));
        }

        // ── HMAC Signing ──────────────────────────────────────
        private string Sign(string timestamp, string nonce, string body)
        {
            var payload = timestamp + nonce + body;
            using var hmac = new HMACSHA256(Encoding.UTF8.GetBytes(secret));
            var hash = hmac.ComputeHash(Encoding.UTF8.GetBytes(payload));
            return BitConverter.ToString(hash).Replace("-", "").ToLower();
        }

        // ── HTTP Helpers ──────────────────────────────────────
        private IEnumerator GetRequest(string url, Action<string> onOk, Action<string> onErr)
        {
            using var req = UnityWebRequest.Get(url);
            AddHeaders(req, "");
            yield return req.SendWebRequest();
            if (req.result == UnityWebRequest.Result.Success) onOk(req.downloadHandler.text);
            else onErr?.Invoke(req.error);
        }

        private IEnumerator PostRequest(string url, string json, Action<string> onOk, Action<string> onErr)
        {
            using var req = new UnityWebRequest(url, "POST");
            req.uploadHandler   = new UploadHandlerRaw(Encoding.UTF8.GetBytes(json));
            req.downloadHandler = new DownloadHandlerBuffer();
            req.SetRequestHeader("Content-Type", "application/json");
            AddHeaders(req, json);
            yield return req.SendWebRequest();
            if (req.result == UnityWebRequest.Result.Success) onOk(req.downloadHandler.text);
            else onErr?.Invoke(req.error);
        }

        private void AddHeaders(UnityWebRequest req, string body)
        {
            var ts    = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
            var nonce = Guid.NewGuid().ToString("N").Substring(0, 12);
            req.SetRequestHeader("Authorization",         "Bearer " + apiKey);
            req.SetRequestHeader("X-ZoneCoin-Timestamp",  ts);
            req.SetRequestHeader("X-ZoneCoin-Nonce",      nonce);
            req.SetRequestHeader("X-ZoneCoin-Signature",  Sign(ts, nonce, body));
        }

        // ── DTOs ──────────────────────────────────────────────
        [Serializable] public class BalanceResponse { public string balance; public string currency; }
        [Serializable] public class PayRequest      { public string amount, ref_id, merchant; public bool isFiat; }
        [Serializable] public class PayResult       { public string txId; public string amount; }
        [Serializable] public class TransferRequest  { public string to, amount; }
        [Serializable] public class TxResponse       { public string txId; }
    }
}

使用例

C#

// Example: In-game shop purchase
using ZoneCoin.SDK;

public class ShopUI : MonoBehaviour
{
    public void OnBuyItem(string itemId, decimal price)
    {
        ZoneCoinSDK.Instance.Pay(price, $"GAME-{itemId}", isFiat: false,
            onSuccess: result => {
                Debug.Log($"Payment OK! TX: {result.txId}");
                InventoryManager.Instance.AddItem(itemId);
                UIManager.Instance.ShowToast("Purchase complete! ⚡");
            },
            onError: err => {
                Debug.LogError($"Payment failed: {err}");
                UIManager.Instance.ShowToast("Payment failed. Try again.");
            }
        );
    }
}

🔷 Unreal Engine

Unreal Engine統合はGameInstanceSubsystemを使用し、決済、残高照会、送金のBlueprintCallable関数を公開します。すべてのリクエストはHMAC署名され、非同期処理されます。

ZoneCoinSubsystem.h

C++

#pragma once

#include "CoreMinimal.h"
#include "Subsystems/GameInstanceSubsystem.h"
#include "Http.h"
#include "ZoneCoinSubsystem.generated.h"

DECLARE_DYNAMIC_DELEGATE_TwoParams(FOnZCPayResult, bool, bSuccess, const FString&, TxId);
DECLARE_DYNAMIC_DELEGATE_TwoParams(FOnZCBalance,   bool, bSuccess, float, Balance);

UCLASS()
class YOURPROJECT_API UZoneCoinSubsystem : public UGameInstanceSubsystem
{
    GENERATED_BODY()

public:
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "ZoneCoin")
    FString ApiUrl   = TEXT("https://zonecoin.zonenations.com/api/index.php/v1/zonecoin");

    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "ZoneCoin")
    FString ApiKey;

    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "ZoneCoin")
    FString Secret;

    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "ZoneCoin")
    FString MerchantId;

    UFUNCTION(BlueprintCallable, Category = "ZoneCoin")
    void Pay(float Amount, const FString& Reference, bool bIsFiat, FOnZCPayResult OnResult);

    UFUNCTION(BlueprintCallable, Category = "ZoneCoin")
    void GetBalance(const FString& Wallet, FOnZCBalance OnResult);

    UFUNCTION(BlueprintCallable, Category = "ZoneCoin")
    void Transfer(const FString& ToWallet, float Amount, FOnZCPayResult OnResult);

private:
    TSharedRef<IHttpRequest> CreateRequest(const FString& Verb, const FString& Endpoint, const FString& Body = TEXT(""));
    FString SignRequest(const FString& Timestamp, const FString& Nonce, const FString& Body);
};

ZoneCoinSubsystem.cpp

C++

#include "ZoneCoinSubsystem.h"
#include "Serialization/JsonSerializer.h"
#include "Misc/SecureHash.h"

void UZoneCoinSubsystem::Pay(float Amount, const FString& Reference, bool bIsFiat, FOnZCPayResult OnResult)
{
    TSharedPtr<FJsonObject> Json = MakeShareable(new FJsonObject);
    Json->SetNumberField(TEXT("amount"),     Amount);
    Json->SetStringField(TEXT("ref"),        Reference);
    Json->SetStringField(TEXT("merchant"),   MerchantId);
    Json->SetBoolField(TEXT("isFiat"),       bIsFiat);

    FString Body;
    auto Writer = TJsonWriterFactory<>::Create(&Body);
    FJsonSerializer::Serialize(Json.ToSharedRef(), Writer);

    auto Request = CreateRequest(TEXT("POST"), TEXT("/pay"), Body);
    Request->OnProcessRequestComplete().BindLambda(
        [OnResult](FHttpRequestPtr Req, FHttpResponsePtr Res, bool bOk) {
            if (bOk && Res->GetResponseCode() == 200) {
                TSharedPtr<FJsonObject> R;
                auto Reader = TJsonReaderFactory<>::Create(Res->GetContentAsString());
                FJsonSerializer::Deserialize(Reader, R);
                OnResult.ExecuteIfBound(true, R->GetStringField(TEXT("txId")));
            } else {
                OnResult.ExecuteIfBound(false, TEXT(""));
            }
        });
    Request->ProcessRequest();
}

void UZoneCoinSubsystem::GetBalance(const FString& Wallet, FOnZCBalance OnResult)
{
    auto Request = CreateRequest(TEXT("GET"), FString::Printf(TEXT("/balance/%s"), *Wallet));
    Request->OnProcessRequestComplete().BindLambda(
        [OnResult](FHttpRequestPtr Req, FHttpResponsePtr Res, bool bOk) {
            if (bOk && Res->GetResponseCode() == 200) {
                TSharedPtr<FJsonObject> R;
                auto Reader = TJsonReaderFactory<>::Create(Res->GetContentAsString());
                FJsonSerializer::Deserialize(Reader, R);
                OnResult.ExecuteIfBound(true, R->GetNumberField(TEXT("balance")));
            } else {
                OnResult.ExecuteIfBound(false, 0.f);
            }
        });
    Request->ProcessRequest();
}

🔹 Godot

Godot 4 ZoneCoin SDKは、非同期通信にシグナルを使用するGDScriptオートロードシングルトンです。HMACContextによるHMAC-SHA256署名で決済、残高照会、送金をサポートします。

zonecoin_sdk.gd

GDScript

extends Node
class_name ZoneCoinSDK

## ZoneCoin SDK for Godot 4 — REST API integration
## Add this as an autoload singleton: Project → Settings → Autoload

@export var api_url  : String = "https://zonecoin.zonenations.com/api/index.php/v1/zonecoin"
@export var api_key  : String = ""
@export var secret   : String = ""
@export var merchant : String = ""

signal payment_completed(tx_id: String, amount: float)
signal payment_failed(error: String)
signal balance_received(balance: float, currency: String)

var _http : HTTPRequest

func _ready():
    _http = HTTPRequest.new()
    add_child(_http)

# ── Pay ────────────────────────────────────────────────────
func pay(amount: float, reference: String, is_fiat: bool = false) -> void:
    var body = JSON.stringify({
        "amount":   amount,
        "ref":      reference,
        "merchant": merchant,
        "isFiat":   is_fiat
    })
    var headers = _build_headers(body)
    _http.request_completed.connect(_on_pay_response, CONNECT_ONE_SHOT)
    _http.request(api_url + "/pay", headers, HTTPClient.METHOD_POST, body)

func _on_pay_response(result, code, headers, body):
    var json = JSON.parse_string(body.get_string_from_utf8())
    if code == 200:
        payment_completed.emit(json.txId, float(json.amount))
    else:
        payment_failed.emit(json.get("error", "Unknown error"))

# ── Balance ────────────────────────────────────────────────
func get_balance(wallet: String) -> void:
    var headers = _build_headers("")
    _http.request_completed.connect(_on_balance_response, CONNECT_ONE_SHOT)
    _http.request(api_url + "/balance/" + wallet, headers, HTTPClient.METHOD_GET)

func _on_balance_response(result, code, headers, body):
    var json = JSON.parse_string(body.get_string_from_utf8())
    if code == 200:
        balance_received.emit(float(json.balance), json.currency)

# ── Transfer ───────────────────────────────────────────────
func transfer(to_wallet: String, amount: float) -> void:
    var body = JSON.stringify({"to": to_wallet, "amount": amount})
    var headers = _build_headers(body)
    _http.request(api_url + "/transfer", headers, HTTPClient.METHOD_POST, body)

# ── HMAC Signing ───────────────────────────────────────────
func _build_headers(body: String) -> PackedStringArray:
    var ts    = str(int(Time.get_unix_time_from_system()))
    var nonce = _rand_hex(12)
    var sig   = _hmac_sha256(ts + nonce + body)
    return PackedStringArray([
        "Content-Type: application/json",
        "Authorization: Bearer " + api_key,
        "X-ZoneCoin-Timestamp: " + ts,
        "X-ZoneCoin-Nonce: " + nonce,
        "X-ZoneCoin-Signature: " + sig
    ])

func _hmac_sha256(message: String) -> String:
    var ctx = HMACContext.new()
    ctx.start(HashingContext.HASH_SHA256, secret.to_utf8_buffer())
    ctx.update(message.to_utf8_buffer())
    return ctx.finish().hex_encode()

func _rand_hex(length: int) -> String:
    var bytes = Crypto.new().generate_random_bytes(length)
    return bytes.hex_encode().substr(0, length)

🟫 Minecraft

Minecraft ZoneCoinプラグインはSpigotとPaperサーバーに統合されます。プレイヤーは/zcbalanceと/zcpayでウォレットを管理します。非同期HTTPコールとHMAC認証をサポート。

plugin.yml

YAML

name: ZoneCoinPlugin
version: 1.0.0
main: com.zonenations.zonecoin.ZoneCoinPlugin
api-version: '1.20'
description: ZoneCoin virtual currency for Minecraft servers
authors: [ZoneNations]
commands:
  zcbalance:
    description: Check your ZoneCoin balance
    usage: /zcbalance
    permission: zonecoin.balance
  zcpay:
    description: Send ZoneCoin to a player
    usage: /zcpay <player> <amount>
    permission: zonecoin.pay
  zcshop:
    description: Open the ZoneCoin shop
    usage: /zcshop
    permission: zonecoin.shop
permissions:
  zonecoin.balance:
    default: true
  zonecoin.pay:
    default: true
  zonecoin.shop:
    default: true
  zonecoin.admin:
    default: op

ZoneCoinPlugin.java

Java

package com.zonenations.zonecoin;

import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.command.*;
import org.bukkit.entity.Player;
import com.google.gson.*;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.net.http.*;
import java.net.URI;
import java.time.Instant;
import java.util.UUID;

public class ZoneCoinPlugin extends JavaPlugin {

    private String apiUrl, apiKey, secret, merchant;
    private final HttpClient http = HttpClient.newHttpClient();
    private final Gson gson = new Gson();

    @Override
    public void onEnable() {
        saveDefaultConfig();
        apiUrl   = getConfig().getString("api-url",   "https://zonecoin.zonenations.com/api/index.php/v1/zonecoin");
        apiKey   = getConfig().getString("api-key",   "");
        secret   = getConfig().getString("secret",    "");
        merchant = getConfig().getString("merchant",  "");

        getCommand("zcbalance").setExecutor(this::onBalance);
        getCommand("zcpay").setExecutor(this::onPay);

        getLogger().info("ZoneCoin plugin enabled ⚡");
    }

    private boolean onBalance(CommandSender s, Command c, String l, String[] a) {
        if (!(s instanceof Player p)) { s.sendMessage("§cPlayers only."); return true; }

        getServer().getScheduler().runTaskAsynchronously(this, () -> {
            try {
                var res = apiGet("/balance/" + p.getUniqueId());
                var json = JsonParser.parseString(res).getAsJsonObject();
                var bal = json.get("balance").getAsString();
                p.sendMessage("§6§l💰 ZoneCoin Balance: §f" + bal + " ZC");
            } catch (Exception e) {
                p.sendMessage("§c❌ Could not retrieve balance.");
                getLogger().warning("Balance error: " + e.getMessage());
            }
        });
        return true;
    }

    private boolean onPay(CommandSender s, Command c, String l, String[] a) {
        if (!(s instanceof Player p)) return false;
        if (a.length < 2) { p.sendMessage("§cUsage: /zcpay <player> <amount>"); return true; }

        Player target = getServer().getPlayer(a[0]);
        if (target == null) { p.sendMessage("§cPlayer not found."); return true; }

        double amount;
        try { amount = Double.parseDouble(a[1]); } catch (Exception e) { p.sendMessage("§cInvalid amount."); return true; }

        getServer().getScheduler().runTaskAsynchronously(this, () -> {
            try {
                var body = gson.toJson(new PayReq(amount, "MC-" + UUID.randomUUID().toString().substring(0, 8),
                    p.getUniqueId().toString(), target.getUniqueId().toString()));
                var res = apiPost("/transfer", body);
                var txId = JsonParser.parseString(res).getAsJsonObject().get("txId").getAsString();
                p.sendMessage("§a§l✅ Sent " + amount + " ZC to " + target.getName() + " (TX: " + txId + ")");
                target.sendMessage("§a§l💰 Received " + amount + " ZC from " + p.getName());
            } catch (Exception e) {
                p.sendMessage("§c❌ Transfer failed: " + e.getMessage());
            }
        });
        return true;
    }

    // ── HTTP Helpers with HMAC ─────────────────────────────────
    private String apiGet(String endpoint) throws Exception {
        var ts    = String.valueOf(Instant.now().getEpochSecond());
        var nonce = UUID.randomUUID().toString().substring(0, 12);
        var sig   = hmacSha256(ts + nonce);
        var req = HttpRequest.newBuilder(URI.create(apiUrl + endpoint))
            .header("Authorization",        "Bearer " + apiKey)
            .header("X-ZoneCoin-Timestamp",  ts)
            .header("X-ZoneCoin-Nonce",      nonce)
            .header("X-ZoneCoin-Signature",  sig)
            .GET().build();
        return http.send(req, HttpResponse.BodyHandlers.ofString()).body();
    }

    private String apiPost(String endpoint, String body) throws Exception {
        var ts    = String.valueOf(Instant.now().getEpochSecond());
        var nonce = UUID.randomUUID().toString().substring(0, 12);
        var sig   = hmacSha256(ts + nonce + body);
        var req = HttpRequest.newBuilder(URI.create(apiUrl + endpoint))
            .header("Authorization",        "Bearer " + apiKey)
            .header("Content-Type",         "application/json")
            .header("X-ZoneCoin-Timestamp",  ts)
            .header("X-ZoneCoin-Nonce",      nonce)
            .header("X-ZoneCoin-Signature",  sig)
            .POST(HttpRequest.BodyPublishers.ofString(body)).build();
        return http.send(req, HttpResponse.BodyHandlers.ofString()).body();
    }

    private String hmacSha256(String data) throws Exception {
        var mac = Mac.getInstance("HmacSHA256");
        mac.init(new SecretKeySpec(secret.getBytes(), "HmacSHA256"));
        var hex = new StringBuilder();
        for (byte b : mac.doFinal(data.getBytes())) hex.append(String.format("%02x", b));
        return hex.toString();
    }

    record PayReq(double amount, String ref, String from, String to) {}
}

🔴 Roblox

Roblox ZoneCoin SDKは、API通信にHttpServiceを使用するサーバーサイドModuleScriptです。残高照会、決済、P2P送金をpcallエラー処理でサポートします。

ZoneCoinSDK (ModuleScript)

Luau

-- ZoneCoin SDK for Roblox — Server-side ModuleScript
-- Place in ServerScriptService/ZoneCoinSDK

local HttpService = game:GetService("HttpService")
local ZoneCoin = {}
ZoneCoin.__index = ZoneCoin

local API_URL  = "https://zonecoin.zonenations.com/api/index.php/v1/zonecoin"
local API_KEY  = "" -- Set in config
local SECRET   = ""
local MERCHANT = ""

function ZoneCoin.Init(config)
    API_URL  = config.apiUrl  or API_URL
    API_KEY  = config.apiKey  or API_KEY
    SECRET   = config.secret  or SECRET
    MERCHANT = config.merchant or MERCHANT
end

function ZoneCoin.GetBalance(playerId)
    local ok, res = pcall(function()
        return HttpService:RequestAsync({
            Url     = API_URL .. "/balance/" .. tostring(playerId),
            Method  = "GET",
            Headers = ZoneCoin._Headers("")
        })
    end)
    if ok and res.StatusCode == 200 then
        local data = HttpService:JSONDecode(res.Body)
        return tonumber(data.balance), data.currency
    end
    return nil, "Request failed"
end

function ZoneCoin.Pay(amount, reference, isFiat)
    local body = HttpService:JSONEncode({
        amount   = amount,
        ref      = reference,
        merchant = MERCHANT,
        isFiat   = isFiat or false
    })
    local ok, res = pcall(function()
        return HttpService:RequestAsync({
            Url     = API_URL .. "/pay",
            Method  = "POST",
            Headers = ZoneCoin._Headers(body),
            Body    = body
        })
    end)
    if ok and res.StatusCode == 200 then
        local data = HttpService:JSONDecode(res.Body)
        return data.txId
    end
    return nil
end

function ZoneCoin.Transfer(toPlayer, amount)
    local body = HttpService:JSONEncode({to = tostring(toPlayer), amount = amount})
    local ok, res = pcall(function()
        return HttpService:RequestAsync({
            Url     = API_URL .. "/transfer",
            Method  = "POST",
            Headers = ZoneCoin._Headers(body),
            Body    = body
        })
    end)
    if ok and res.StatusCode == 200 then
        return HttpService:JSONDecode(res.Body).txId
    end
    return nil
end

function ZoneCoin._Headers(body)
    local ts    = tostring(os.time())
    local nonce = HttpService:GenerateGUID(false):sub(1, 12)
    return {
        ["Content-Type"]          = "application/json",
        ["Authorization"]         = "Bearer " .. API_KEY,
        ["X-ZoneCoin-Timestamp"]  = ts,
        ["X-ZoneCoin-Nonce"]      = nonce,
    }
end

return ZoneCoin

サーバースクリプト — ショップハンドラ

Luau

-- Server Script — Shop handler
local ZoneCoin = require(game.ServerScriptService.ZoneCoinSDK)
local ReplicatedStorage = game:GetService("ReplicatedStorage")

ZoneCoin.Init({
    apiUrl   = "https://zonecoin.zonenations.com/api/index.php/v1/zonecoin",
    apiKey   = "YOUR_API_KEY",
    secret   = "YOUR_SECRET",
    merchant = "your-merchant"
})

-- Remote event for purchase requests
local BuyEvent = ReplicatedStorage:WaitForChild("BuyItem")
BuyEvent.OnServerEvent:Connect(function(player, itemId, price)
    local txId = ZoneCoin.Pay(price, "RBLX-" .. itemId .. "-" .. player.UserId, false)
    if txId then
        -- Grant item to player
        player:FindFirstChild("Inventory"):FindFirstChild(itemId).Value = true
        BuyEvent:FireClient(player, true, txId)
    else
        BuyEvent:FireClient(player, false, "Payment failed")
    end
end)

🟣 VRChat

VRChat統合はUdonSharpを使用してVRChatワールドにインタラクティブな決済端末を作成します。API通信にVRCStringDownloaderを活用し、マルチユーザー状態の手動同期をサポートします。

ZoneCoinTerminal.cs (UdonSharp)

C# (UdonSharp)

using UdonSharp;
using UnityEngine;
using VRC.SDKBase;
using VRC.SDK3.StringLoading;
using VRC.Udon.Common.Interfaces;

/// <summary>
/// ZoneCoin Payment Terminal for VRChat worlds.
/// Attach to a UI Canvas with display and button references.
/// </summary>
[UdonBehaviourSyncMode(BehaviourSyncMode.Manual)]
public class ZoneCoinTerminal : UdonSharpBehaviour
{
    [Header("ZoneCoin Config")]
    public string apiUrl   = "https://zonecoin.zonenations.com/api/index.php/v1/zonecoin";
    public string apiKey   = "";
    public string merchant = "";

    [Header("UI References")]
    public UnityEngine.UI.Text balanceText;
    public UnityEngine.UI.Text statusText;

    [UdonSynced] private string lastTxId = "";

    public override void Interact()
    {
        // Check balance on interact
        VRCStringDownloader.LoadUrl(
            new VRCUrl($"{apiUrl}/balance/{Networking.LocalPlayer.displayName}"),
            (IUdonEventReceiver)this
        );
        statusText.text = "⏳ Checking balance...";
    }

    public override void OnStringLoadSuccess(IVRCStringDownload result)
    {
        // Parse simple JSON response
        string body = result.Result;
        // Basic JSON extraction (VRChat limitation: no full JSON parser)
        string balance = ExtractJsonValue(body, "balance");
        string currency = ExtractJsonValue(body, "currency");
        balanceText.text = $"💰 {balance} {currency}";
        statusText.text = "✅ Balance loaded";
    }

    public override void OnStringLoadError(IVRCStringDownload result)
    {
        statusText.text = "❌ Connection error";
    }

    private string ExtractJsonValue(string json, string key)
    {
        int start = json.IndexOf($"\"{key}\":\"") + key.Length + 4;
        int end   = json.IndexOf("\"", start);
        return (start > 0 && end > start) ? json.Substring(start, end - start) : "?";
    }
}

🏙️ Decentraland

SDK 7を使用してDecentralandシーンにZoneCoinを統合します。決済端末はPointerEventsとsignedFetchを使用した認証APIコールでインタラクティブエンティティとして作成されます。

ZoneCoinScene.ts

TypeScript (SDK 7)

import { engine, Transform, TextShape, PointerEvents,
         InputAction, pointerEventsSystem } from '@dcl/sdk/ecs'
import { signedFetch } from '~system/SignedFetch'

const API_URL  = 'https://zonecoin.zonenations.com/api/index.php/v1/zonecoin'
const API_KEY  = 'YOUR_API_KEY'
const MERCHANT = 'your-merchant-id'

// ── Payment Terminal Entity ───────────────────────────────
const terminal = engine.addEntity()
Transform.create(terminal, { position: { x: 8, y: 1.5, z: 8 } })
TextShape.create(terminal, {
    text: '⚡ ZoneCoin Terminal\nClick to interact',
    fontSize: 3,
    textColor: { r: 0.4, g: 0.9, b: 1.0, a: 1 }
})
PointerEvents.create(terminal, {
    pointerEvents: [{ eventType: 1, eventInfo: { button: InputAction.IA_POINTER, hoverText: 'Pay with ZoneCoin' } }]
})

// ── Click Handler ─────────────────────────────────────────
pointerEventsSystem.onPointerDown({ entity: terminal, opts: { button: InputAction.IA_POINTER } },
    async () => {
        try {
            const res = await signedFetch({
                url: `${API_URL}/pay`,
                init: {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                        'Authorization': `Bearer ${API_KEY}`
                    },
                    body: JSON.stringify({
                        amount: 10,
                        ref: `DCL-${Date.now()}`,
                        merchant: MERCHANT,
                        isFiat: false
                    })
                }
            })
            const data = JSON.parse(res.body || '{}')
            const ts = TextShape.getMutable(terminal)
            ts.text = data.txId
                ? `✅ Paid! TX: ${data.txId}`
                : '❌ Payment failed'
        } catch (e) {
            const ts = TextShape.getMutable(terminal)
            ts.text = '❌ Network error'
        }
    }
)

🏖️ The Sandbox

The Sandbox Game Maker統合はゲーム内購入のScriptComponentを提供します。APIコールにHTTPRequestを使用し、視覚フィードバック付きクリックトリガー決済フローをサポートします。

ゲーム内ショップコンポーネント

TypeScript (Game Maker)

// ZoneCoin Integration for The Sandbox Game Maker
// Add this as a custom script component

import { ScriptComponent, Trigger, HTTPRequest } from '@sandbox/core'

const API_URL  = 'https://zonecoin.zonenations.com/api/index.php/v1/zonecoin'
const API_KEY  = 'YOUR_API_KEY'

export default class ZoneCoinShop extends ScriptComponent {
    private apiUrl = API_URL
    private apiKey = API_KEY

    onInit() {
        this.entity.on(Trigger.OnClick, () => this.purchaseItem())
    }

    async purchaseItem() {
        const request = new HTTPRequest(`${this.apiUrl}/pay`, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'Authorization': `Bearer ${this.apiKey}`
            },
            body: JSON.stringify({
                amount:   50,
                ref:      `SAND-${Date.now()}`,
                merchant: 'your-merchant',
                isFiat:   false
            })
        })

        const res = await request.send()
        if (res.status === 200) {
            const data = JSON.parse(res.body)
            this.showNotification(`✅ Payment OK! TX: ${data.txId}`)
            this.grantReward()
        } else {
            this.showNotification('❌ Payment failed')
        }
    }

    showNotification(msg: string) {
        // Use The Sandbox notification system
        this.entity.getComponent('TextRenderer').text = msg
    }

    grantReward() {
        // Grant in-game item/reward to player
    }
}

🔌 REST APIクイックリファレンス

すべてのプラットフォームは同じREST APIを使用します。HMAC-SHA256で認証します。

📊

GET /rate — 現在のZC/EUR為替レートと市場データ

💰

GET /balance/{id} — ウォレット残高と通貨情報を取得

💳

POST /pay — マーチャント決済で支払い処理

🔄

POST /transfer — ウォレット間ZoneCoin P2P送金

🔍

GET /tx/{id} — トランザクション状況と確認詳細

🔔

POST /webhook/register — サーバーサイド決済通知エンドポイント登録

統合の準備はできましたか？

プラットフォームを選択し、SDKをダウンロードして、数分でZoneCoinの受付を開始しましょう。

📥 DLLモジュール APIドキュメント Eコマース

ユニバーサルゲートウェイ すべてのメタバース、一つの通貨

🔧 ユニバーサルアーキテクチャ

⚡ クイックスタート

🌐 OpenSimulator

🔵 Second Life

決済端末