change contract in common

bdledger/api/common.proto

@@ -32,6 +32,30 @@ message Transaction {
   bytes s = 11;             // ECDSA signature s
 }
 
+message Contract {
+  bytes contractName = 1;             //合约名称
+  uint32 randomNum =2;                   //合约执行的节点数量
+  bytes operation = 3;                //合约方法
+  bytes arg = 4;                      //合约方法参数
+  bytes path = 5;                     //合约文件路径(合约在IDE工程的相对路径)
+  bytes content = 6;                  //合约内容(可为合约文件相对路径/合约脚本)
+  bytes pubkey = 7;                   //用户公钥
+
+  enum ContractUnitRequestType{
+    START = 0;
+    STOP = 1;
+    EXECUTE = 2;
+    REPLY = 3;
+    REQUEST = 4;
+    PREPREPARE = 5;
+    PREPARE = 6;
+    COMMIT = 7;
+    ADDPEER = 8;
+    DROPPEER = 9;
+    STATESYNC = 10;
+  }
+}
+
 message Block {
   bytes hash = 1;                         // 区块的哈希，当区块处于待确认状态时为`null`
   repeated bytes parent_hashes = 2;       // 父区块的哈希