diff --git a/src/main/java/io/zksync/protocol/JsonRpc2_0ZkSync.java b/src/main/java/io/zksync/protocol/JsonRpc2_0ZkSync.java
index 472ba30..48cc442 100755
--- a/src/main/java/io/zksync/protocol/JsonRpc2_0ZkSync.java
+++ b/src/main/java/io/zksync/protocol/JsonRpc2_0ZkSync.java
@@ -413,7 +413,7 @@ public Request<?, ZksL1BatchNumber> getL1BatchNumber() {
     @Override
     public Request<?, ZksStorageProof> getProof(String address, String[] keys, BigInteger l1BatchNumber) {
         return new Request<>(
-                "zks_L1BatchNumber", Arrays.asList(address, keys, l1BatchNumber), web3jService, ZksStorageProof.class);
+                "zks_getProof", Arrays.asList(address, keys, l1BatchNumber), web3jService, ZksStorageProof.class);
     }
 
     @Override
diff --git a/src/main/java/io/zksync/utils/smart/account/PopulateTransactionECDS.java b/src/main/java/io/zksync/utils/smart/account/PopulateTransactionECDSA.java
similarity index 98%
rename from src/main/java/io/zksync/utils/smart/account/PopulateTransactionECDS.java
rename to src/main/java/io/zksync/utils/smart/account/PopulateTransactionECDSA.java
index f027aaa..86aedbc 100644
--- a/src/main/java/io/zksync/utils/smart/account/PopulateTransactionECDS.java
+++ b/src/main/java/io/zksync/utils/smart/account/PopulateTransactionECDSA.java
@@ -15,7 +15,7 @@
 import java.util.List;
 import java.util.concurrent.CompletableFuture;
 
-public class PopulateTransactionECDS implements IPopulateTransaction {
+public class PopulateTransactionECDSA implements IPopulateTransaction {
     @Override
     public CompletableFuture<Transaction712> populateTransaction(Transaction transaction, List<String> secrets, ZkSync provider, @Nullable BigInteger nonce) {
         Credentials credentials = Credentials.create(secrets.get(0));