diff --git a/smartcontract/README.md b/smartcontract/README.md
index 940bb217..005b8001 100644
--- a/smartcontract/README.md
+++ b/smartcontract/README.md
@@ -54,48 +54,48 @@ You can also create and deploy any custom wallet (contract), see below.
 ### Create and deploy SimpleR3 wallet
 
 ```java
-byte[]secretKey=Utils.hexToBytes("F182111193F30D79D517F2339A1BA7C25FDF6C52142F0F2C1D960A1F1D65E1E4");
-        TweetNaclFast.Signature.KeyPair keyPair=TweetNaclFast.Signature.keyPair_fromSeed(secretKey);
+byte[] secretKey = Utils.hexToBytes("F182111193F30D79D517F2339A1BA7C25FDF6C52142F0F2C1D960A1F1D65E1E4");
+TweetNaclFast.Signature.KeyPair keyPair = TweetNaclFast.Signature.keyPair_fromSeed(secretKey);
 
-        Options options=Options.builder()
-        .publicKey(keyPair.getPublicKey())
-        .wc(0L)
-        .build();
+Options options = Options.builder()
+    .publicKey(keyPair.getPublicKey())
+    .wc(0L)
+    .build();
 
-        Wallet wallet=new Wallet(WalletVersions.simpleR3,options);
-        SimpleWalletContractR3 contract=wallet.create();
-        InitExternalMessage msg=contract.createInitExternalMessage(keyPair.getSecretKey());
-        Address walletAddress=msg.address;
+Wallet wallet = new Wallet(WalletVersions.simpleR3,options);
+SimpleWalletContractR3 contract = wallet.create();
+InitExternalMessage msg = contract.createInitExternalMessage(keyPair.getSecretKey());
+Address walletAddress = msg.address;
 
-        log.info("new wallet address = {}",walletAddress.toString(false));
-        log.info("Non-bounceable address (for init): {}",walletAddress.toString(true,true,false,true));
-        log.info("Bounceable address (for later access): {}",walletAddress.toString(true,true,true,true));
+log.info("new wallet address = {}", walletAddress.toString(false));
+log.info("Non-bounceable address (for init): {}", walletAddress.toString(true,true,false,true));
+log.info("Bounceable address (for later access): {}", walletAddress.toString(true,true,true,true));
 
 // Before sending wallet's smart contract code, send some Toncoins to non-bouncelable address.
 
 // deploy
-        Tonlib tonlib=Tonlib.builder().build();
-        String base64boc=Utils.bytesToBase64(msg.message.toBoc(false));
-        tonlib.sendRawMessage(base64boc);
+Tonlib tonlib = Tonlib.builder().build();
+String base64boc = Utils.bytesToBase64(msg.message.toBoc(false));
+tonlib.sendRawMessage(base64boc);
 ```
 
 ### Send Toncoins
 
 ```java
 ...
-        ExternalMessage msg=contract.createTransferMessage(keyPair.getSecretKey(),
-        "0:258e549638a6980ae5d3c76382afd3f4f32e34482dafc3751e3358589c8de00d", //destination address
-        Utils.toNano(1), // toncoin
-        1L); // seqno
-        Address address=msg.address;
-        log.info("Source wallet address = {}",address.toString(false));
-        log.info("signing message: {}",msg.signingMessage.print());
-        log.info("resulting external message: {}",msg.message.print());
+ExternalMessage msg = contract.createTransferMessage(keyPair.getSecretKey(),
+"0:258e549638a6980ae5d3c76382afd3f4f32e34482dafc3751e3358589c8de00d", //destination address
+    Utils.toNano(1), // toncoin
+    1L); // seqno
+Address address = msg.address;
+log.info("Source wallet address = {}", address.toString(false));
+log.info("signing message: {}", msg.signingMessage.print());
+log.info("resulting external message: {}", msg.message.print());
 
 // send external message 
-        Tonlib tonlib=Tonlib.builder().build();
-        String base64boc=Utils.bytesToBase64(msg.message.toBoc(false));
-        tonlib.sendRawMessage(base64boc);
+Tonlib tonlib = Tonlib.builder().build();
+String base64boc = Utils.bytesToBase64(msg.message.toBoc(false));
+tonlib.sendRawMessage(base64boc);
 ```
 
 ### Deploy custom contract
@@ -113,33 +113,20 @@ it.
     var signature = in_msg~load_bits(512); ;; signature in msg body, see createInitExternalMessage()
     var cs = in_msg;
     var (msg_seqno, valid_until, extra_field) = (cs~load_uint(32), cs~load_uint(32), cs~load_uint(64)); ;; payload in message body, see createSigningMessage()
-    throw_if
-    
-
-
-
-
-
-
-
-
-
-
-
-    (35, valid_until < =  now());
-            var ds = get_data().begin_parse();
-            var (stored_seqno, public_key, stored_x_data) = (ds~load_uint(32), ds~load_uint(256), ds~load_uint(64)); ;; data in stateInit or in storage. See createDataCell()
-            ;; ds.end_parse();
-            throw_unless(33, msg_seqno ==  stored_seqno);
-            throw_unless(34, check_signature(slice_hash(in_msg), signature, public_key));
-            accept_message();
-            cs~touch(); ;; process data stored in ext message refs
-            while (cs.slice_refs()) { ;; transfer msg. Data inside the body of external msg. See 
-            var mode = cs~load_uint(8);
-            send_raw_message(cs~load_ref(), mode);
-            }
-    cs.end_parse();
-            set_data(begin_cell().store_uint(stored_seqno + 1, 32).store_uint(public_key, 256).store_uint(stored_x_data, 64).store_uint(extra_field, 64).end_cell());
+    throw_if(35, valid_until < =  now());
+    var ds = get_data().begin_parse();
+    var (stored_seqno, public_key, stored_x_data) = (ds~load_uint(32), ds~load_uint(256), ds~load_uint(64)); ;; data in stateInit or in storage. See createDataCell()
+    ;; ds.end_parse();
+    throw_unless(33, msg_seqno ==  stored_seqno);
+    throw_unless(34, check_signature(slice_hash(in_msg), signature, public_key));
+    accept_message();
+    cs~touch(); ;; process data stored in ext message refs
+    while (cs.slice_refs()) { ;; transfer msg. Data inside the body of external msg. See 
+        var mode = cs~load_uint(8);
+        send_raw_message(cs~load_ref(), mode);
+    }
+cs.end_parse();
+set_data(begin_cell().store_uint(stored_seqno + 1, 32).store_uint(public_key, 256).store_uint(stored_x_data, 64).store_uint(extra_field, 64).end_cell());
 }
 
 int seqno() method_id {
@@ -380,21 +367,20 @@ public class CustomContract implements WalletContract {
 Now you are ready to deploy your custom smart contract.
 
 ```java
+byte[] secretKey = Utils.hexToBytes("F182111193F30D79D517F2339A1BA7C25FDF6C52142F0F2C1D960A1F1D65E1E4");
+TweetNaclFast.Signature.KeyPair keyPair = TweetNaclFast.Signature.keyPair_fromSeed(secretKey);
 
-byte[]secretKey=Utils.hexToBytes("F182111193F30D79D517F2339A1BA7C25FDF6C52142F0F2C1D960A1F1D65E1E4");
-        TweetNaclFast.Signature.KeyPair keyPair=TweetNaclFast.Signature.keyPair_fromSeed(secretKey);
-
-        Options options=Options.builder()
-        .publicKey(keyPair.getPublicKey())
-        .wc(0L)
-        .build();
+Options options = Options.builder()
+    .publicKey(keyPair.getPublicKey())
+    .wc(0L)
+    .build();
 
-        CustomContract customContract=new CustomContract(options);
+CustomContract customContract = new CustomContract(options);
 
-        InitExternalMessage msg=customContract.createInitExternalMessage(keyPair.getSecretKey());
-        Address address=msg.address;
+InitExternalMessage msg = customContract.createInitExternalMessage(keyPair.getSecretKey());
+Address address = msg.address;
 
-        log.info("Creating new wallet in workchain {} \n"+
+log.info("Creating new wallet in workchain {} \n"+
         "Loading private key from file new-wallet.pk\n"+
         "StateInit: {}\nnew wallet address = {}\n"+
         "(Saving address to file new-wallet.addr)\n"+
@@ -416,45 +402,44 @@ byte[]secretKey=Utils.hexToBytes("F182111193F30D79D517F2339A1BA7C25FDF6C52142F0F
 Send some toincoins to non-bouncelable address above and then upload smart contract using Tonlib
 
 ```java
-import org.ton.java.tonlib.Tonlib;
-Tonlib tonlib=Tonlib.builder().build();
-        String base64boc=Utils.bytesToBase64(msg.message.toBoc(false));
-        log.info(base64boc);
-        tonlib.sendRawMessage(base64boc);
+Tonlib tonlib =Tonlib.builder().build();
+String base64boc = Utils.bytesToBase64(msg.message.toBoc(false));
+log.info(base64boc);
+tonlib.sendRawMessage(base64boc);
 ```
 
 Check if contract was deployed successfully
 
 ```java
-Tonlib tonlib=Tonlib.builder().build();
+Tonlib tonlib = Tonlib.builder().build();
 
-        RunResult result=tonlib.runMethod(address,"seqno");
-        TvmStackEntryNumber seqno=(TvmStackEntryNumber)result.getStackEntry();
-        log.info("seqno: {}",seqno.getNumber());
+RunResult result = tonlib.runMethod(address,"seqno");
+TvmStackEntryNumber seqno = (TvmStackEntryNumber) result.getStackEntry();
+log.info("seqno: {}", seqno.getNumber());
 
-        result=tonlib.runMethod(address,"get_x_data");
-        TvmStackEntryNumber x_data=(TvmStackEntryNumber)result.getStackEntry();
-        log.info("x_data: {}",seqno.getNumber());
+result=tonlib.runMethod(address,"get_x_data");
+TvmStackEntryNumber x_data = (TvmStackEntryNumber) result.getStackEntry();
+log.info("x_data: {}", seqno.getNumber());
 
-        result=tonlib.runMethod(address,"get_extra_field");
-        TvmStackEntryNumber extra_field=(TvmStackEntryNumber)result.getStackEntry();
-        log.info("extra_field: {}",seqno.getNumber());
+result=tonlib.runMethod(address,"get_extra_field");
+TvmStackEntryNumber extra_field = (TvmStackEntryNumber) result.getStackEntry();
+log.info("extra_field: {}", seqno.getNumber());
 
 // result
-        seqno:1
-        x_data:2
-        extra_field:4
+seqno:1
+x_data:2
+extra_field:4
 ```
 
 Transfer Toncoins
 
 ```java
-Address destinationAddress=Address.of("kf_sPxv06KagKaRmOOKxeDQwApCx3i8IQOwv507XD51JOLka");
-        BigInteger amount=Utils.toNano(2); //2 Toncoins or 2bln nano-toncoins
-        long seqNumber=1;
-        ExternalMessage extMsg=customContract.createTransferMessage(keyPair.getSecretKey(),destinationAddress,amount,seqNumber);
-        String base64bocExtMsg=Utils.bytesToBase64(extMsg.message.toBoc(false));
-        tonlib.sendRawMessage(base64bocExtMsg);  
+Address destinationAddress = Address.of("kf_sPxv06KagKaRmOOKxeDQwApCx3i8IQOwv507XD51JOLka");
+BigInteger amount = Utils.toNano(2); //2 Toncoins or 2bln nano-toncoins
+long seqNumber = 1;
+ExternalMessage extMsg = customContract.createTransferMessage(keyPair.getSecretKey(),destinationAddress,amount,seqNumber);
+String base64bocExtMsg = Utils.bytesToBase64(extMsg.message.toBoc(false));
+tonlib.sendRawMessage(base64bocExtMsg);  
 ```
 
 [maven-central-svg]: https://img.shields.io/maven-central/v/org.ton.java/smartcontract
diff --git a/utils/README.md b/utils/README.md
index 971db13b..427f9e18 100644
--- a/utils/README.md
+++ b/utils/README.md
@@ -38,24 +38,24 @@ You can use Utils methods to generate new key pair or import an existing private
 
 ```java
 // generate new key kair
-TweetNaclFast.Signature.KeyPair keyPair=Utils.generateSignatureKeyPair();
+TweetNaclFast.Signature.KeyPair keyPair = Utils.generateSignatureKeyPair();
 ```
 
 ```java
 // import existing private key
-byte[]secretKey=Utils.hexToBytes("F182111193F30D79D517F2339A1BA7C25FDF6C52142F0F2C1D960A1F1D65E1E4");
-        TweetNaclFast.Signature.KeyPair keyPair=Utils.generateSignatureKeyPairFromSeed(secretKey);
+byte[] secretKey = Utils.hexToBytes("F182111193F30D79D517F2339A1BA7C25FDF6C52142F0F2C1D960A1F1D65E1E4");
+TweetNaclFast.Signature.KeyPair keyPair=Utils.generateSignatureKeyPairFromSeed(secretKey);
 
-        byte[]pubKey=keyPair.getPublicKey();
-        byte[]secKey=keyPair.getSecretKey();
+byte[] pubKey = keyPair.getPublicKey();
+byte[] secKey = keyPair.getSecretKey();
 
-        String msg="ABC";
-        String msgHashSha256=Utils.sha256(msg);
+String msg = "ABC";
+String msgHashSha256 = Utils.sha256(msg);
 
-        TweetNacl.Signature sig=new TweetNacl.Signature(pubKey,secKey);
+TweetNacl.Signature sig = new TweetNacl.Signature(pubKey,secKey);
 
 // sign msg with signature
-        byte[]signed=sig.detached(Utils.hexToBytes(msgHashSha256));
+byte[] signed = sig.detached(Utils.hexToBytes(msgHashSha256));
 ```
 
 ## Other helpful methods
@@ -63,9 +63,9 @@ byte[]secretKey=Utils.hexToBytes("F182111193F30D79D517F2339A1BA7C25FDF6C52142F0F
 ```java
 static String base64ToBitString(String base64)
 
-static byte[]base64ToBytes(String base64)
+static byte[] base64ToBytes(String base64)
 
-static byte[]base64SafeUrlToBytes(String base64)
+static byte[] base64SafeUrlToBytes(String base64)
 
 static String base64ToHexString(String base64)
 
@@ -89,41 +89,41 @@ static byte[]concatBytes(byte[]a,byte[]b)
 
 static com.iwebpp.crypto.TweetNaclFast.Box.KeyPair generateKeyPair()
 
-static com.iwebpp.crypto.TweetNaclFast.Box.KeyPair generatePairFromSecretKey(byte[]secretKey)
+static com.iwebpp.crypto.TweetNaclFast.Box.KeyPair generatePairFromSecretKey(byte[] secretKey)
 
 static com.iwebpp.crypto.TweetNaclFast.Signature.KeyPair generateSignatureKeyPair()
 
-static com.iwebpp.crypto.TweetNaclFast.Signature.KeyPair generateSignatureKeyPairFromSeed(byte[]secretKey)
+static com.iwebpp.crypto.TweetNaclFast.Signature.KeyPair generateSignatureKeyPairFromSeed(byte[] secretKey)
 
-static byte[]getCRC16ChecksumAsBytes(byte[]bytes)
+static byte[]getCRC16ChecksumAsBytes(byte[] bytes)
 
-static String getCRC16ChecksumAsHex(byte[]bytes)
+static String getCRC16ChecksumAsHex(byte[] bytes)
 
-static int getCRC16ChecksumAsInt(byte[]bytes)
+static int getCRC16ChecksumAsInt(byte[] bytes)
 
-static byte[]getCRC32ChecksumAsBytes(byte[]bytes)
+static byte[]getCRC32ChecksumAsBytes(byte[] bytes)
 
-static byte[]getCRC32ChecksumAsBytesReversed(byte[]bytes)
+static byte[]getCRC32ChecksumAsBytesReversed(byte[] bytes)
 
-static String getCRC32ChecksumAsHex(byte[]bytes)
+static String getCRC32ChecksumAsHex(byte[] bytes)
 
-static Long getCRC32ChecksumAsLong(byte[]bytes) //uses POLY 0x1EDC6F41
+static Long getCRC32ChecksumAsLong(byte[] bytes) //uses POLY 0x1EDC6F41
 
 static Utils.OS getOS()
 
-static String getSafeString(String originalResult,String processResult,String template)
+static String getSafeString(String originalResult, String processResult,String template)
 
-static com.iwebpp.crypto.TweetNaclFast.Signature getSignature(byte[]pubKey,byte[]prvKey)
+static com.iwebpp.crypto.TweetNaclFast.Signature getSignature(byte[] pubKey,byte[] prvKey)
 
 static String hexStringToBase64(String hex)
 
 static String hexStringToBase64UrlSafe(String hex)
 
-static byte[]hexToBytes(String hex)
+static byte[] hexToBytes(String hex)
 
-static byte[]intToByteArray(int value)
+static byte[] intToByteArray(int value)
 
-static int readNBytesFromArray(int n,byte[]ui8array)
+static int readNBytesFromArray(int n, byte[] ui8array)
 
 static String sha256(byte[]bytes)
 
@@ -139,7 +139,7 @@ static String streamToString(InputStream is)
 
 static String formatNanoValue(String value) // returns formatted, e.g. 100,451.515633556 
 
-static String formatNanoValue(String value,int scale) // rounds to scale, e.g. 100,451.52 
+static String formatNanoValue(String value, int scale) // rounds to scale, e.g. 100,451.52 
 
 static BigInteger toNano(BigDecimal toncoins)
 
@@ -153,7 +153,7 @@ static BigInteger toNano(long toncoins)
 
 static BigDecimal fromNano(long toncoins)
 
-static BigDecimal fromNano(long toncoins,int scale)
+static BigDecimal fromNano(long toncoins, int scale)
 ```
 
 [maven-central-svg]: https://img.shields.io/maven-central/v/org.ton.java/utils