diff --git a/api/api.proto b/api/api.proto
index 3b3f8a038ef..49c3dd3dfdd 100644
--- a/api/api.proto
+++ b/api/api.proto
@@ -39,7 +39,7 @@ service Wallet {
   rpc ListWitnesses (EmptyMessage) returns (WitnessList) {
 
   };
-  
+
   rpc UpdateWitness (WitnessUpdateContract) returns (Transaction) {
 
   };
@@ -48,8 +48,24 @@ service Wallet {
 
   };
 
+  rpc TransferAssert (TransferAssertContract) returns (Transaction) {
+
+  }
+  rpc TransferTokenToAssert (TransferTokenToAssetContract) returns (Transaction) {
+
+  }
+
   rpc ListNodes (EmptyMessage) returns (NodeList) {
 
+  }
+  rpc GetAssetIssueList (EmptyMessage) returns (AssetIssueList) {
+
+  }
+  rpc GetNowBlock (EmptyMessage) returns (Block) {
+
+  }
+  rpc GetBlockByNum (NumberMessage) returns (Block) {
+
   }
 };
 
@@ -65,6 +81,10 @@ message WitnessList {
   repeated Witness witnesses = 1;
 }
 
+message AssetIssueList {
+  repeated AssetIssueContract witnesses = 1;
+}
+
 // Gossip node list
 message NodeList {
   repeated Node nodes = 1;
@@ -83,3 +103,6 @@ message Address {
 
 message EmptyMessage {
 }
+message NumberMessage {
+  int64 num = 1;
+}
diff --git a/core/Contract.proto b/core/Contract.proto
index 105f28a47d9..c8a2e32066f 100644
--- a/core/Contract.proto
+++ b/core/Contract.proto
@@ -83,6 +83,13 @@ message AssetIssueContract {
   bytes url = 21;
 }
 
+message TransferTokenToAssetContract {
+  bytes owner_address = 1;
+  bytes to_address = 2;
+  bytes name = 3;
+  int32 trx_num = 4;
+}
+
 message DeployContract {
   bytes owner_address = 1;
   bytes script = 2;
diff --git a/core/Message.proto b/core/Message.proto
index de7d06f8582..a25c21506f6 100644
--- a/core/Message.proto
+++ b/core/Message.proto
@@ -11,16 +11,6 @@ message Capability {
   int32 version = 2;
 }
 
-enum P2pMessageCode {
-  HELLO = 0;
-  DISCONNECT = 1;
-  PING = 2;
-  PONG = 3;
-  GET_PEERS = 4;
-  PEERS = 5;
-  USER = 6;
-}
-
 enum ReasonCode {
   REQUESTED = 0;
   TCP_ERROR = 1;
@@ -59,4 +49,38 @@ message HelloMessage {
 
 message PeersMessage {
   repeated Peer peers = 1;
+}
+
+message Endpoint {
+  bytes address = 1;
+  int32 udpPort = 2;
+  int32 tcpPort = 3;
+}
+
+message PingMessage {
+  int32 version = 1;
+  Endpoint from = 2;
+  Endpoint to = 3;
+  int32 timestamp = 4;
+}
+
+message PongMessage {
+  Endpoint to = 1;
+  int32 echo = 2;
+  int32 timestamp = 3;
+}
+
+message FindNeighbours {
+  bytes target = 1;
+  int32 timestamp = 2;
+}
+
+message Neighbour {
+  Endpoint endpoint = 1;
+  bytes nodeId = 2;
+}
+
+message Neighbours {
+  repeated Neighbour neighbours = 1;
+  int32 timestamp = 2;
 }
\ No newline at end of file
diff --git a/core/Tron.proto b/core/Tron.proto
index 75b0e80882b..a529e733b64 100644
--- a/core/Tron.proto
+++ b/core/Tron.proto
@@ -80,6 +80,7 @@ message Transaction {
       AssetIssueContract = 6;
       DeployContract = 7;
       WitnessUpdateContract = 8;
+      TransferTokenToAssetContract = 9;
     }
     ContractType type = 1;
     google.protobuf.Any parameter = 2;
@@ -102,6 +103,7 @@ message Transaction {
     bytes data = 10;
     repeated Contract contract = 11;
     bytes scripts = 16;
+    int64 timestamp = 17;
   }
 
   raw raw_data = 1;