save method Null safety

void save(
  1. BlockModel block,
  2. {Uint8List? xchain}
)

Persists a block in the local _db.

Implementation

void save(BlockModel block, {Uint8List? xchain}) => _db.execute('''
  INSERT INTO $table
  VALUES (?, ?, ?, ?, ?, ?);
  ''', [
      block.id,
      block.version,
      block.previousHash,
      block.transactionRoot,
      xchain,
      block.timestamp.millisecondsSinceEpoch
    ]);