syntax = "proto3";

package bdledger.api;

option go_package = "bdware.org/bdledger/pkg/api/grpc/proto";
option java_package = "bdledger.api.grpc.common";
option java_outer_classname = "CommonProto";
option java_multiple_files = true;



/* 事务类型 */
enum TransactionType {
  RECORD = 0; // 通用数据记录
  MESSAGE = 1; // 消息
  CONTRACT_CREATION = 2; // 合约创建
  CONTRACT_INVOCATION = 3; // 合约调用
  CONTRACT_STATUS = 4; // 合约状态
}

message Transaction {
  bytes block_hash = 1;     // 事务所在的区块的哈希，当事务处于待确认状态时为`null`
  uint32 index = 2;         // 事务在区块中的位置 index，当事务处于待确认状态时为`null`
  bytes hash = 3;           // 事务的哈希
  TransactionType type = 4; // 事务类型
  bytes from = 5;           // 发送账户地址
  uint64 nonce = 6;         // 这条事务之前发送者所发送的事务数量
  bytes to = 7;             // 接收账户地址，或者调用的合约地址，或者`null`如为合约创建
  bytes data = 8;           // 数据或合约代码
  bytes v = 9;              // ECDSA recovery id
  bytes r = 10;             // ECDSA signature r
  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
  repeated bytes witnesses = 3;           // 见证者账户地址
  int64 timestamp = 4;                    // 区块产生时的 UNIX 时间戳，单位为秒
  uint64 size = 5;                        // 区块大小的字节数
  uint32 transaction_count = 6;           // 区块包含的事务数量
  bytes transactions_root = 7;            // 区块的事务默克尔树根
  repeated Transaction transactions = 8;  // 事务对象的数组，或为空
  repeated bytes transaction_hashes = 9; // 20字节的交易哈希的数组，或为空
}