bank.proto

syntax = "proto3";

message InitBranch {
  uint32 balance=1;

  message Branch {
    string name=1;
    string ip=2;
    uint32 port=3;
  }

  repeated Branch all_branches=2;
}

message Transfer {
  uint32 money = 1;
}

message InitSnapshot {
  uint32 snapshot_id = 1;
}

message Marker {
  uint32 snapshot_id = 1;
}

message RetrieveSnapshot {
  uint32 snapshot_id = 1;
}

message ReturnSnapshot {
  message LocalSnapshot{
    uint32 snapshot_id=1;
    uint32 balance=2;
    repeated uint32 channel_state=3;
  }

  LocalSnapshot local_snapshot = 1;
}

message BranchMessage {
  oneof branch_message {
    InitBranch init_branch = 1;
    Transfer transfer = 2;
    InitSnapshot init_snapshot = 3;
    Marker marker = 4;
    RetrieveSnapshot retrieve_snapshot = 5;
    ReturnSnapshot return_snapshot = 6;  
  }
}