syntax = "proto3";

package nu.types;

import "types/transaction.proto";

message BlockHeader {
  uint64 height          = 1;
  string prev_block_hash = 2; // Hash256
  int64  timestamp       = 3; // Unix epoch milliseconds
  string validator_addr  = 4; // Address
  bytes  validator_sig   = 5; // secp256k1
  string tx_root         = 6; // Merkle root of transactions
  string state_root      = 7; // Merkle Patricia Trie root
  string receipts_root   = 8;
  uint32 slot            = 9;
}

message Block {
  BlockHeader          header       = 1;
  repeated Transaction transactions = 2;
}

message BlockReceipt {
  string tx_id   = 1;
  bool   success = 2;
  string error   = 3; // empty if success
  uint64 gas_used = 4;
}