syntax = "proto3";

package tycho.evm.v1;

message Block {
  bytes hash = 1;
  bytes parent_hash = 2;
  uint64 number = 3;
  uint64 ts = 4;
}

message Transaction {
  bytes hash = 1;
  bytes from = 2;
  bytes to = 3;
  uint64 index = 4;
}

enum ChangeType {
  CHANGE_TYPE_UNSPECIFIED = 0;
  CHANGE_TYPE_UPDATE = 1;
  CHANGE_TYPE_CREATION = 2;
  CHANGE_TYPE_DELETION = 3;
}

message Attribute {
  string name = 1;
  bytes value = 2;
  ChangeType change = 3;
}

message ProtocolComponent {
  string id = 1;
  repeated bytes tokens = 2;
  repeated string contracts = 3;
  repeated Attribute static_att = 4;
  ChangeType change = 5;
}

message BalanceChange {
  bytes token = 1;
  bytes balance = 2;
  bytes component_id = 3;
}