github.com/deso-protocol/core@v1.2.9/test_data/README (about)

     1  bitcoin_testnet_blocks_containing_burn.txt:
     2  - Contains Bitcoin testnet blocks that contain "burn" transactions, where burn
     3    transactions are defined as sending to the testnet burn address.
     4  - These blocks and their corresponding transactions are referenced in various
     5    tests that exercise the BitcoinExchange logic.
     6  
     7  bitcoin_testnet_headers_for_burn.txt:
     8  - Contains headers associated with the blocks mentioned above as well as headers
     9    for a large section of blocks before and after these blocks.
    10  - These headers are used for testing various scenarios related to BitcoinExchange
    11    transaction validation. For example, testing when a burn transaction does not
    12    have enough work on top of it to be valid.