syntax = "proto2";
package im.msg.receipt;

message MsgInfo {
  optional uint64 from_uin = 1;
  optional uint64 to_uin = 2;
  optional uint32 msg_seq = 3;
  optional uint32 msg_random = 4;
}

message ReceiptInfo {
  optional uint64 read_time = 1;
}

message ReceiptReq {
  optional uint32 command = 1;
  optional MsgInfo info = 2;
}

message ReceiptResp {
  optional uint32 command = 1;
  optional ReceiptInfo receipt_info = 2;
}
