diff --git a/batcher-ui/.husky/pre-commit b/batcher-ui/.husky/pre-commit
index 36af2198..e6ee3eec 100755
--- a/batcher-ui/.husky/pre-commit
+++ b/batcher-ui/.husky/pre-commit
@@ -1,4 +1,5 @@
 #!/bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
-npx lint-staged
+# npx lint-staged
+cd batcher-ui && npm run lint
diff --git a/batcher-ui/.lintstagedrc.js b/batcher-ui/.lintstagedrc.js
index f85c082b..e52dc808 100644
--- a/batcher-ui/.lintstagedrc.js
+++ b/batcher-ui/.lintstagedrc.js
@@ -5,6 +5,7 @@ const buildEslintCommand = filenames =>
     .map(f => path.relative(process.cwd(), f))
     .join(' --file ')}`;
 
+
 module.exports = {
   '*.{js,jsx,ts,tsx}': [buildEslintCommand],
 };
diff --git a/batcher-ui/global.d.ts b/batcher-ui/global.d.ts
index 2fb6c50d..aaf67f9f 100644
--- a/batcher-ui/global.d.ts
+++ b/batcher-ui/global.d.ts
@@ -1,7 +1,22 @@
 declare global {
   namespace NodeJS {
     interface ProcessEnv {
-      SECRET: string;
+      NEXT_PUBLIC_BATCHER_CONTRACT_HASH: string;
+      NEXT_PUBLIC_MARKET_MAKER_CONTRACT_HASH: string;
+      NEXT_PUBLIC_TOKEN_MANAGER_CONTRACT_HASH: string;
+      NEXT_PUBLIC_TZBTC_VAULT_CONTRACT_HASH: string;
+      NEXT_PUBLIC_USDT_VAULT_CONTRACT_HASH: string;
+      NEXT_PUBLIC_EURL_VAULT_CONTRACT_HASH: string;
+      NEXT_PUBLIC_USDTZ_VAULT_CONTRACT_HASH: string;
+      NEXT_PUBLIC_BTCTZ_VAULT_CONTRACT_HASH: string;
+
+      NEXT_PUBLIC_NETWORK_TARGET: string;
+      NEXT_PUBLIC_BATCHER_URI: string;
+      NEXT_PUBLIC_BATCHER_LOGO_PATH: string;
+      NEXT_PUBLIC_TEZOS_NODE_URI: string;
+      NEXT_PUBLIC_TZKT_API_URI: string;
+      NEXT_PUBLIC_LOCAL_STORAGE_KEY_STATE: string;
+      NEXT_PUBLIC_GA_TRACKING_ID: string;
     }
   }
 }
diff --git a/batcher-ui/next.config.js b/batcher-ui/next.config.js
index 91f9cb61..6704ca2a 100644
--- a/batcher-ui/next.config.js
+++ b/batcher-ui/next.config.js
@@ -1,15 +1,38 @@
 /** @type {import('next').NextConfig} */
 
-const config = require('./src/config/env.ts');
 
 const env = process.env.ENV; // 'mainnet' | 'ghostnet'
 
+const config = require('./src/config/env.js');
+const contractsConfig = require('./src/config/contracts.js');
+
+const contractHashes = contractsConfig[env];
+const envConfig = config[env];
+
+if (
+  !contractHashes ||
+  !contractsConfig.isContractsWellConfigured(contractHashes)
+) {
+  throw new Error(
+    'Configuration error on contracts hashes. Please check in src/config/contracts.js file.'
+  );
+}
+
+if (!envConfig || !config.isConfigOK(envConfig)) {
+  throw new Error(
+    'Configuration error on environment variables. Please check in src/config/env.js file.'
+  );
+}
+
 console.info('🚀 Current env:', env);
 
 const nextConfig = {
   reactStrictMode: false,
   swcMinify: true,
-  env: config[env],
+  env: {
+    ...config.toEnvVar(envConfig),
+    ...contractsConfig.toEnvVar(contractHashes),
+  },
   webpack: (config, { isServer, webpack }) => {
     if (!isServer) config.resolve.fallback['fs'] = false;
 
diff --git a/batcher-ui/package.json b/batcher-ui/package.json
index d11212f6..23a41fe0 100644
--- a/batcher-ui/package.json
+++ b/batcher-ui/package.json
@@ -13,7 +13,7 @@
     "start": "ENV=mainnet next start -p 80",
     "start:ghostnet": "ENV=ghostnet next start -p 80",
     "build:ghostnet": "ENV=ghostnet next build",
-    "lint": "next lint"
+    "lint": "ENV=ghostnet next lint"
   },
   "lint-staged": {
     "**/*.{js,jsx,tsx,ts,less,md,json}": [
diff --git a/batcher-ui/pages/_app.tsx b/batcher-ui/pages/_app.tsx
index 105260cc..73ebe769 100644
--- a/batcher-ui/pages/_app.tsx
+++ b/batcher-ui/pages/_app.tsx
@@ -34,7 +34,7 @@ const App = ({ Component }: AppProps) => {
         <meta property="og:site_name" content="Batcher DEX" />
         <meta
           property="og:image"
-          content={process.env.NEXT_PUBLIC_PATH_TO_BATCHER_LOGO}
+          content={process.env.NEXT_PUBLIC_BATCHER_LOGO_PATH}
         />
         <meta property="twitter:card" content="summary" />
         <meta
@@ -46,7 +46,7 @@ const App = ({ Component }: AppProps) => {
         <meta property="twitter:creator" content="@Marigold_Dev" />
         <meta
           property="twitter:image"
-          content={process.env.NEXT_PUBLIC_PATH_TO_BATCHER_LOGO}
+          content={process.env.NEXT_PUBLIC_BATCHER_LOGO_PATH}
         />
       </Head>
       <Provider store={store}>
diff --git a/batcher-ui/src/config/contracts.js b/batcher-ui/src/config/contracts.js
new file mode 100644
index 00000000..8c366cf4
--- /dev/null
+++ b/batcher-ui/src/config/contracts.js
@@ -0,0 +1,53 @@
+/**
+ * Regroup all contracts hash needed to Batcher works properly
+ * and provide functions to ensure all contracts hashes are setuped.
+ */
+
+const CONTRACTS_NAMES = [
+  'batcher',
+  'market_maker',
+  'token_manager',
+  'tzBTC_vault',
+  'USDT_vault',
+  'EURL_vault',
+  'BTCtz_vault',
+  'USDtz_vault',
+];
+
+const ghostnet = {
+  batcher: 'KT1LhTpwSGcFAUUM3JYjW8XW74UHP82YzERy',
+  market_maker: 'KT1BbDTB4BJWTH1CKfxYC5eB8TgrwB7WuNGF',
+  token_manager: 'KT19JLvQdDGUnssfL5n6rBozZpnaej3Xfvjy',
+  tzBTC_vault: 'KT1L4dArtU44J2uuneHHn1fjRfd7K6XDDuW3',
+  USDT_vault: 'KT18qMEmNgvSSPEUoChDnxkVCg7eEy9UoQfj',
+  USDtz_vault: 'KT1EFFWgmyu6npNZTRzB8zzuKBRnMaW8bpyN',
+  BTCtz_vault: 'KT1VUVHxMjXpdQYM38hVAncUSGCz9fv78ZnP',
+  EURL_vault: 'KT1RkAdLQtyKZQBCxYieH2ds4YbrLEsoDGGk',
+};
+
+const mainnet = {
+  batcher: 'KT1CoTu4CXcWoVk69Ukbgwx2iDK7ZA4FMSpJ',
+  market_maker: 'KT1TNX1YLCmPJN4rbwAUsUAdnqVYrZ5X5YNB',
+  token_manager: '',
+  tzBTC_vault: '',
+  USDT_vault: '',
+  USDtz_vault: '',
+  BTCtz_vault: '',
+  EURL_vault: '',
+};
+
+const toEnvVar = contracts =>
+  Object.entries(contracts)
+    .map(([k, v]) => [`NEXT_PUBLIC_${k.toUpperCase()}_CONTRACT_HASH`, v])
+    .reduce((acc, current) => ({ ...acc, [current[0]]: current[1] }), {});
+
+const isContractsWellConfigured = contracts => {
+  return CONTRACTS_NAMES.every(name => Object.keys(contracts).includes(name));
+};
+
+module.exports = {
+  ghostnet,
+  mainnet,
+  toEnvVar,
+  isContractsWellConfigured,
+};
diff --git a/batcher-ui/src/config/env.js b/batcher-ui/src/config/env.js
new file mode 100644
index 00000000..fe2f5b49
--- /dev/null
+++ b/batcher-ui/src/config/env.js
@@ -0,0 +1,47 @@
+const ENV_VARS = [
+  'network_target',
+  'batcher_uri',
+  'batcher_logo_path', // TODO attention
+  'tezos_node_uri',
+  'tzkt_api_uri', // tODO attention
+  'local_storage_key_state',
+  'ga_tracking_id',
+];
+
+const ghostnet = {
+  network_target: 'GHOSTNET',
+  batcher_uri: 'https://ghostnet.batcher.marigold.dev',
+  batcher_logo_path:
+    'https://storage.googleapis.com/marigold-public-bucket/batcher-logo.png',
+  tezos_node_uri: 'https://ghostnet.tezos.marigold.dev/',
+  tzkt_api_uri: 'https://api.ghostnet.tzkt.io',
+  local_storage_key_state: 'batcher-state',
+  ga_tracking_id: 'G-2K59PEELC8',
+};
+
+const mainnet = {
+  network_target: 'MAINNET',
+  batcher_uri: 'https://batcher.marigold.dev',
+  batcher_logo_path:
+    'https://storage.googleapis.com/marigold-public-bucket/batcher-logo.png',
+  tezos_node_uri: 'https://mainnet.tezos.marigold.dev/',
+  tzkt_api_uri: 'https://api.tzkt.io',
+  local_storage_key_state: 'batcher-state',
+  ga_tracking_id: 'G-2K59PEELC8',
+};
+
+const toEnvVar = vars =>
+  Object.entries(vars)
+    .map(([k, v]) => [`NEXT_PUBLIC_${k.toUpperCase()}`, v])
+    .reduce((acc, current) => ({ ...acc, [current[0]]: current[1] }), {});
+
+const isConfigOK = vars => {
+  return ENV_VARS.every(name => Object.keys(vars).includes(name));
+};
+
+module.exports = {
+  ghostnet,
+  mainnet,
+  toEnvVar,
+  isConfigOK,
+};
diff --git a/batcher-ui/src/config/env.ts b/batcher-ui/src/config/env.ts
deleted file mode 100644
index 24362694..00000000
--- a/batcher-ui/src/config/env.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-module.exports = {
-  ghostnet: {
-    NEXT_PUBLIC_NETWORK_TARGET: 'GHOSTNET',
-    NEXT_PUBLIC_BATCHER_URI: 'https://ghostnet.batcher.marigold.dev',
-    NEXT_PUBLIC_PATH_TO_BATCHER_LOGO:
-      'https://storage.googleapis.com/marigold-public-bucket/batcher-logo.png',
-    NEXT_PUBLIC_TEZOS_NODE_URI: 'https://ghostnet.tezos.marigold.dev/',
-    NEXT_PUBLIC_TZKT_URI_API: 'https://api.ghostnet.tzkt.io',
-    NEXT_PUBLIC_BATCHER_CONTRACT_HASH: 'KT1LhTpwSGcFAUUM3JYjW8XW74UHP82YzERy',
-    NEXT_PUBLIC_MARKETMAKER_CONTRACT_HASH:
-      'KT1XKvKiTTj8N6WKv3MhnZhFjZopFGQGBTdT',
-    NEXT_PUBLIC_LOCAL_STORAGE_KEY_STATE: 'batcher-state',
-    NEXT_PUBLIC_GA_TRACKING_ID: 'G-2K59PEELC8',
-  },
-  mainnet: {
-    NEXT_PUBLIC_NETWORK_TARGET: 'MAINNET',
-    NEXT_PUBLIC_BATCHER_URI: 'https://batcher.marigold.dev',
-    NEXT_PUBLIC_PATH_TO_BATCHER_LOGO:
-      'https://storage.googleapis.com/marigold-public-bucket/batcher-logo.png',
-    NEXT_PUBLIC_TEZOS_NODE_URI: 'https://mainnet.tezos.marigold.dev/',
-    NEXT_PUBLIC_TZKT_URI_API: 'https://api.tzkt.io',
-    NEXT_PUBLIC_BATCHER_CONTRACT_HASH: 'KT1CoTu4CXcWoVk69Ukbgwx2iDK7ZA4FMSpJ',
-    NEXT_PUBLIC_MARKETMAKER_CONTRACT_HASH:
-      'KT1TNX1YLCmPJN4rbwAUsUAdnqVYrZ5X5YNB',
-    NEXT_PUBLIC_LOCAL_STORAGE_KEY_STATE: 'batcher-state',
-    NEXT_PUBLIC_GA_TRACKING_ID: 'G-2K59PEELC8',
-  },
-};
diff --git a/batcher-ui/src/contexts/events.tsx b/batcher-ui/src/contexts/events.tsx
index d43ecd17..f040abc9 100644
--- a/batcher-ui/src/contexts/events.tsx
+++ b/batcher-ui/src/contexts/events.tsx
@@ -15,7 +15,7 @@ export const EventsProvider = ({ children }: { children: React.ReactNode }) => {
 
   useEffect(() => {
     const socket = new HubConnectionBuilder()
-      .withUrl(process.env.NEXT_PUBLIC_TZKT_URI_API + '/v1/ws')
+      .withUrl(process.env.NEXT_PUBLIC_TZKT_API_URI + '/v1/ws')
       .build();
     setup(socket);
     // setSocket(socket);
diff --git a/batcher-ui/src/types/config.ts b/batcher-ui/src/types/config.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/batcher-ui/src/utils/utils.ts b/batcher-ui/src/utils/utils.ts
index 6f5529b6..75fad055 100644
--- a/batcher-ui/src/utils/utils.ts
+++ b/batcher-ui/src/utils/utils.ts
@@ -140,7 +140,7 @@ export const TOKENS = ['USDT', 'EURL', 'TZBTC'];
 
 export const getTokensBalancesByAccount = (userAddress: string) =>
   fetch(
-    `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/tokens/balances?account=${userAddress}`
+    `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/tokens/balances?account=${userAddress}`
   ).then(checkStatus);
 
 export const getBalances = async (userAddress: string): Promise<Balances> => {
@@ -165,7 +165,7 @@ export const getBalances = async (userAddress: string): Promise<Balances> => {
 
 export const getStorage = (): Promise<BatcherStorage> =>
   fetch(
-    `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/contracts/${process.env.NEXT_PUBLIC_BATCHER_CONTRACT_HASH}/storage`
+    `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/contracts/${process.env.NEXT_PUBLIC_BATCHER_CONTRACT_HASH}/storage`
   ).then(checkStatus);
 
 export const getBigMapByIdAndUserAddress = (
@@ -176,7 +176,7 @@ export const getBigMapByIdAndUserAddress = (
     return Promise.reject('No address or no bigmap ID for order book.');
   return (
     fetch(
-      `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/bigmaps/${bigMapId}/keys/${userAddress}`
+      `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/bigmaps/${bigMapId}/keys/${userAddress}`
     )
       // TODO: improve that by parseStatus function
       .then(response => checkStatus(response, { value: [] }))
@@ -190,7 +190,7 @@ export const getBigMapByIdAndBatchNumber = (
   const bigMapId: string | null = getByKey('batches');
   if (!bigMapId) return Promise.reject('No bigmap ID for batches.');
   return fetch(
-    `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/bigmaps/${bigMapId}/keys/${batchNumber}`
+    `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/bigmaps/${bigMapId}/keys/${batchNumber}`
   )
     .then(checkStatus)
     .then(r => r.value);
@@ -203,7 +203,7 @@ export const getBigMapByIdAndTokenPair = (
   if (!bigMapId) return Promise.reject('No bigmap ID for rates_current.');
 
   return fetch(
-    `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/bigmaps/${bigMapId}/keys`
+    `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/bigmaps/${bigMapId}/keys`
   )
     .then(checkStatus)
     .then(response =>
@@ -217,7 +217,7 @@ export const getTokensMetadata = async () => {
   return Promise.all(
     Object.values(validTokens).map(async token => {
       const icon = await fetch(
-        `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/tokens?contract=${token.address}`
+        `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/tokens?contract=${token.address}`
       )
         .then(t => t.json())
         .then(([t]) =>
@@ -690,7 +690,7 @@ const getDepositAmount = (depositAmount: number, decimals: number) =>
 
 const getMarketMakerStorage = (): Promise<BatcherMarketMakerStorage> => {
   return fetch(
-    `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/contracts/${process.env.NEXT_PUBLIC_MARKETMAKER_CONTRACT_HASH}/storage`
+    `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/contracts/${process.env.NEXT_PUBLIC_MARKETMAKER_CONTRACT_HASH}/storage`
   ).then(checkStatus);
 };
 
@@ -699,7 +699,7 @@ const getUserVaultFromBigmap = (
   userKey: string
 ): Promise<UserHoldingsBigMapItem> => {
   return fetch(
-    `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/bigmaps/${bigmapId}/keys/${userKey}`
+    `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/bigmaps/${bigmapId}/keys/${userKey}`
   ).then(checkStatus);
 };
 
@@ -708,7 +708,7 @@ const getHoldingsVaultFromBigmap = (
   key: string
 ): Promise<VaultHoldingsBigMapItem> => {
   return fetch(
-    `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/bigmaps/${bigmapId}/keys/${key}`
+    `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/bigmaps/${bigmapId}/keys/${key}`
   ).then(checkStatus);
 };
 const getVaultsFromBigmap = (
@@ -716,7 +716,7 @@ const getVaultsFromBigmap = (
   tokenName: string
 ): Promise<VaultsBigMapItem> => {
   return fetch(
-    `${process.env.NEXT_PUBLIC_TZKT_URI_API}/v1/bigmaps/${bigmapId}/keys/${tokenName}`
+    `${process.env.NEXT_PUBLIC_TZKT_API_URI}/v1/bigmaps/${bigmapId}/keys/${tokenName}`
   ).then(checkStatus);
 };