Add query.GetRecentBlocks

grpc/pb/bdware/bdledger/api/query.proto

@@ -25,6 +25,11 @@ service Query {
    * 查询帐本中的所有区块数量，或时间范围内的区块数量
    */
   rpc CountBlocks (BlocksRequest) returns (CountBlocksResponse);
+  /**
+   * Get recent 'count' blocks (Only support IncludeTransactions=NONE for now)
+   * 查询最新的n个区块
+   */
+  rpc GetRecentBlocks (RecentBlocksRequest) returns (GetBlocksResponse);
   /**
    * Get a transaction identified by its hash
    * 查询哈希所指定的事务
@@ -48,6 +53,12 @@ service Query {
   rpc CountTransactions (TransactionsRequest) returns (CountTransactionsResponse);
 }
 
+enum IncludeTransactions {
+  NONE = 0; // 不包含交易数据
+  HASH = 1; // 包含交易哈希列表
+  FULL = 2; // 包含完整交易列表
+}
+
 message BlockFilter {
   bytes hash = 1;
   int64 timestamp = 2;
@@ -75,11 +86,6 @@ message BlocksRequest {
   int64 start_timestamp = 2;
   int64 end_timestamp = 3;
   repeated BlockFilter filters = 4;
-  enum IncludeTransactions {
-    NONE = 0; // 不包含交易数据
-    HASH = 1; // 包含交易哈希列表
-    FULL = 2; // 包含完整交易列表
-  }
   IncludeTransactions include_transactions = 5;
 }
 message GetBlocksResponse {
@@ -93,6 +99,12 @@ message CountBlocksResponse {
   int64 end_timestamp = 3;
 }
 
+message RecentBlocksRequest {
+  string ledger = 1;
+  int64 count = 2;
+  IncludeTransactions include_transactions = 3;
+}
+
 message GetTransactionByHashRequest {
   string ledger = 1;
   bytes hash = 2;