From 156bbef80383f74707a92df6bbd340555a922b6f Mon Sep 17 00:00:00 2001
From: VK <heyllog@gmail.com>
Date: Thu, 18 Jun 2026 11:54:58 +0400
Subject: [PATCH] feat(appkit-minter): add env variable to select between
 toncenter and tonapi

---
 .../appkit-minter/src/core/configs/app-kit.ts | 45 ++++++++++++++-----
 apps/appkit-minter/src/core/configs/env.ts    |  2 +
 2 files changed, 36 insertions(+), 11 deletions(-)

diff --git a/apps/appkit-minter/src/core/configs/app-kit.ts b/apps/appkit-minter/src/core/configs/app-kit.ts
index fe58469b1..0bb2c00fb 100644
--- a/apps/appkit-minter/src/core/configs/app-kit.ts
+++ b/apps/appkit-minter/src/core/configs/app-kit.ts
@@ -13,6 +13,7 @@ import {
     ApiClientTonApi,
     ApiClientToncenter,
     createTonCenterStreamingProvider,
+    createTonApiStreamingProvider,
 } from '@ton/appkit';
 import { createDeDustProvider } from '@ton/appkit/swap/dedust';
 import { createOmnistonProvider } from '@ton/appkit/swap/omniston';
@@ -22,27 +23,49 @@ import { createDecentProvider } from '@ton/appkit/crypto-onramp/decent';
 import { createTonApiGaslessProvider } from '@ton/appkit/gasless/tonapi';
 
 import {
+    ENV_TON_API_PROVIDER,
     ENV_TON_API_KEY_TESTNET,
     ENV_TON_API_KEY_MAINNET,
+    ENV_TON_API_KEY_TETRA,
     ENV_DECENT_API_KEY,
     ENV_TONCONNECT_MANIFEST_URL,
 } from '@/core/configs/env';
 
-const mainnetApiClient = new ApiClientToncenter({
-    network: Network.mainnet(),
-    apiKey: ENV_TON_API_KEY_MAINNET,
-});
+const useTonApi = ENV_TON_API_PROVIDER === 'tonapi';
 
-const testnetApiClient = new ApiClientToncenter({
-    network: Network.testnet(),
-    apiKey: ENV_TON_API_KEY_TESTNET,
-});
+// Switch the underlying API client between Toncenter and TonAPI based on the
+// configured provider. When 'tonapi' is selected the keys below are treated as
+// TonAPI keys; otherwise they are Toncenter keys.
+const createApiClient = (network: Network, apiKey?: string) =>
+    useTonApi ? new ApiClientTonApi({ network, apiKey }) : new ApiClientToncenter({ network, apiKey });
+
+const mainnetApiClient = createApiClient(Network.mainnet(), ENV_TON_API_KEY_MAINNET);
 
+const testnetApiClient = createApiClient(Network.testnet(), ENV_TON_API_KEY_TESTNET);
+
+// Tetra is a TonAPI-only network, so it always uses the TonAPI client.
 const tetraApiClient = new ApiClientTonApi({
     network: Network.tetra(),
     endpoint: 'https://tetra.tonapi.io',
+    apiKey: ENV_TON_API_KEY_TETRA,
 });
 
+// Match the streaming provider to the configured API provider.
+const createStreamingProvider = useTonApi ? createTonApiStreamingProvider : createTonCenterStreamingProvider;
+
+// Pass the keys to the gasless relayer only when TonAPI is the configured
+// provider — otherwise they are Toncenter keys and don't apply. Without a key
+// it falls back to the public TonAPI endpoints.
+const gaslessConfig =
+    useTonApi && (ENV_TON_API_KEY_MAINNET || ENV_TON_API_KEY_TESTNET)
+        ? {
+              chains: {
+                  [Network.mainnet().chainId]: { apiKey: ENV_TON_API_KEY_MAINNET },
+                  [Network.testnet().chainId]: { apiKey: ENV_TON_API_KEY_TESTNET },
+              },
+          }
+        : undefined;
+
 export const appKit = new AppKit({
     networks: {
         [Network.mainnet().chainId]: { apiClient: mainnetApiClient },
@@ -62,8 +85,8 @@ export const appKit = new AppKit({
         createTonstakersProvider(),
         createLayerswapProvider(),
         createDecentProvider({ apiKey: ENV_DECENT_API_KEY }),
-        createTonCenterStreamingProvider({ network: Network.mainnet(), apiKey: ENV_TON_API_KEY_MAINNET }),
-        createTonCenterStreamingProvider({ network: Network.testnet(), apiKey: ENV_TON_API_KEY_TESTNET }),
-        createTonApiGaslessProvider(),
+        createStreamingProvider({ network: Network.mainnet(), apiKey: ENV_TON_API_KEY_MAINNET }),
+        createStreamingProvider({ network: Network.testnet(), apiKey: ENV_TON_API_KEY_TESTNET }),
+        createTonApiGaslessProvider(gaslessConfig),
     ],
 });
diff --git a/apps/appkit-minter/src/core/configs/env.ts b/apps/appkit-minter/src/core/configs/env.ts
index 3b92e35fe..57fbd7049 100644
--- a/apps/appkit-minter/src/core/configs/env.ts
+++ b/apps/appkit-minter/src/core/configs/env.ts
@@ -6,10 +6,12 @@
  *
  */
 
+export const ENV_TON_API_PROVIDER = import.meta.env?.VITE_TON_API_PROVIDER === 'tonapi' ? 'tonapi' : 'toncenter';
 export const ENV_TON_API_KEY_MAINNET =
     import.meta.env.VITE_TON_API_KEY ?? '25a9b2326a34b39a5fa4b264fb78fb4709e1bd576fc5e6b176639f5b71e94b0d';
 export const ENV_TON_API_KEY_TESTNET =
     import.meta.env.VITE_TON_API_TESTNET_KEY ?? 'd852b54d062f631565761042cccea87fa6337c41eb19b075e6c7fb88898a3992';
+export const ENV_TON_API_KEY_TETRA = import.meta.env.VITE_TON_API_TETRA_KEY ?? '';
 export const ENV_DECENT_API_KEY = import.meta.env.VITE_DECENT_API_KEY ?? '5c951bc81da566bbd030ba8e20724063';
 
 const DEV_TONCONNECT_MANIFEST_URL = 'https://tonconnect-sdk-demo-dapp.vercel.app/tonconnect-manifest.json';