erc20.proto

syntax = "proto3";

package erc20.types.v1;

message BalanceChanges {
  repeated BalanceChange balance_changes = 1;
}

enum BalanceChangeType {
  TYPE_UNKNOWN = 0; // cannot determine balance change
  TYPE_1 = 1; // easy case where storage change is in the same call as the Transfer call
  TYPE_2 = 2; // storage change is in a different call than the Transfer call
}

message BalanceChange {
  string contract = 1;
  string owner = 2;
  string old_balance = 3;
  string new_balance = 4;

  string transaction = 5;
  string storage_key = 6;
  uint32 call_index = 7;

  string transfer_value = 8;

  BalanceChangeType change_type = 9;
}

message ValidBalanceChanges {
  repeated ValidBalanceChange valid_balance_changes = 1;
}

message ValidBalanceChange {
  string contract = 1;
  string owner = 2;
  string old_balance = 3;
  string new_balance = 4;

  string transaction = 5;
}

message UnknownBalanceChanges {
  repeated UnknownBalanceChange unknown_balance_changes = 1;
}

message UnknownBalanceChange {
  string contract = 1;
  string owner = 2;
  string transaction = 3;
  uint32 call_index = 4;
  string transfer_value = 5;
}


message BalanceChangeStats {
  uint64 type0_count = 1;
  uint64 type1_count = 2;
  uint64 type2_count = 3;

  uint64 total_count = 42;
  string valid_rate = 43;
  uint64 block_number = 99;
}