diff --git a/ckb/src/main/java/org/nervos/ckb/CkbRpcApi.java b/ckb/src/main/java/org/nervos/ckb/CkbRpcApi.java
index 8d761e6d..11965349 100644
--- a/ckb/src/main/java/org/nervos/ckb/CkbRpcApi.java
+++ b/ckb/src/main/java/org/nervos/ckb/CkbRpcApi.java
@@ -106,6 +106,16 @@ default PackedTransactionWithStatus getPackedTransaction(@Nonnull byte[] transac
   byte[] sendTransaction(Transaction transaction, OutputsValidator outputsValidator)
       throws IOException;
 
+  byte[] sendTestTransaction(Transaction transaction) throws IOException;
+
+  byte[] sendTestTransaction(Transaction transaction, OutputsValidator outputsValidator)
+      throws IOException;
+	
+  byte[] testTxPoolAccept(Transaction transaction) throws IOException;
+
+  byte[] testTxPoolAccept(Transaction transaction, OutputsValidator outputsValidator)
+      throws IOException;
+
   NodeInfo localNodeInfo() throws IOException;
 
   List<PeerNodeInfo> getPeers() throws IOException;
diff --git a/ckb/src/main/java/org/nervos/ckb/service/Api.java b/ckb/src/main/java/org/nervos/ckb/service/Api.java
index 29615aab..9cbeeae7 100644
--- a/ckb/src/main/java/org/nervos/ckb/service/Api.java
+++ b/ckb/src/main/java/org/nervos/ckb/service/Api.java
@@ -297,6 +297,40 @@ public RawTxPoolVerbose getRawTxPoolVerbose() throws IOException {
         "get_raw_tx_pool", Collections.singletonList(true), RawTxPoolVerbose.class);
   }
 
+  @Override
+  public byte[] sendTestTransaction(Transaction transaction) throws IOException {
+    return rpcService.post(
+        "send_test_transaction",
+        Arrays.asList(Convert.parseTransaction(transaction), OutputsValidator.PASSTHROUGH),
+        byte[].class);
+  }
+
+  @Override
+  public byte[] sendTestTransaction(Transaction transaction, OutputsValidator outputsValidator)
+      throws IOException {
+    return rpcService.post(
+        "send_test_transaction",
+        Arrays.asList(Convert.parseTransaction(transaction), outputsValidator),
+        byte[].class);
+  }
+
+  @Override
+  public byte[] testTxPoolAccept(Transaction transaction) throws IOException {
+    return rpcService.post(
+        "test_tx_pool_accept",
+        Arrays.asList(Convert.parseTransaction(transaction), OutputsValidator.PASSTHROUGH),
+        byte[].class);
+  }
+
+  @Override
+  public byte[] testTxPoolAccept(Transaction transaction, OutputsValidator outputsValidator)
+      throws IOException {
+    return rpcService.post(
+        "test_tx_pool_accept",
+        Arrays.asList(Convert.parseTransaction(transaction), outputsValidator),
+        byte[].class);
+  }
+
   @Override
   public byte[] sendTransaction(Transaction transaction) throws IOException {
     return rpcService.post(
diff --git a/core/src/main/java/org/nervos/ckb/type/SyncState.java b/core/src/main/java/org/nervos/ckb/type/SyncState.java
index 488f1802..b8479c76 100644
--- a/core/src/main/java/org/nervos/ckb/type/SyncState.java
+++ b/core/src/main/java/org/nervos/ckb/type/SyncState.java
@@ -1,12 +1,20 @@
 package org.nervos.ckb.type;
 
 public class SyncState {
-  public boolean ibd;
-  public long bestKnownBlockNumber;
-  public long bestKnownBlockTimestamp;
-  public long orphanBlocksCount;
-  public long inflightBlocksCount;
-  public long fastTime;
-  public long normalTime;
-  public long lowTime;
+  public byte[] AssumeValidTarget;
+  public boolean AssumeValidTargetReached;
+  public long BestKnownBlockNumber;
+  public long BestKnownBlockTimestamp;
+  public long FastTime;
+  public boolean Ibd;
+  public long InflightBlocksCount;
+  public long LowTime;
+  public long MinChainWork;
+  public boolean MinChainWorkReached;
+  public long NormalTime;
+  public long OrphanBlocksCount;
+  public byte[] TipHash;
+  public long TipNumber;
+  public byte[] UnverifiedTipHash;
+  public long UnverifiedTipNumber;
 }
diff --git a/core/src/main/java/org/nervos/ckb/type/TxPoolInfo.java b/core/src/main/java/org/nervos/ckb/type/TxPoolInfo.java
index 853d9c4c..771b88d8 100644
--- a/core/src/main/java/org/nervos/ckb/type/TxPoolInfo.java
+++ b/core/src/main/java/org/nervos/ckb/type/TxPoolInfo.java
@@ -10,6 +10,8 @@ public class TxPoolInfo {
   public long minFeeRate;
   public byte[] tipHash;
   public long tipNumber;
-  public long txSizeLimit;
   public long maxTxPoolSize;
+  public long minRbfRate;
+  public long txSizeLimit;
+  public long verifyQueueSize;
 }