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dash/contrib/linearize
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Konstantin Akimov 4aa197dbdb Merge #18673: scripted-diff: Sort test includes 
fa4632c41714dfaa699bacc6a947d72668a4deef test: Move boost/stdlib includes last (MarcoFalke)
fa488f131fd4f5bab0d01376c5a5013306f1abcd scripted-diff: Bump copyright headers (MarcoFalke)
fac5c373006a9e4bcbb56843bb85f1aca4d87599 scripted-diff: Sort test includes (MarcoFalke)

Pull request description:

  When writing tests, often includes need to be added or removed. Currently the list of includes is not sorted, so developers that write tests and have `clang-format` installed will either have an unrelated change (sorting) included in their commit or they will have to manually undo the sort.

  This pull preempts both issues by just sorting all includes in one commit.

  Please be aware that this is **NOT** a change to policy to enforce clang-format or any other developer guideline or process. Developers are free to use whatever tool they want, see also #18651.

  Edit: Also includes a commit to bump the copyright headers, so that the touched files don't need to be touched again for that.

ACKs for top commit:
  practicalswift:
    ACK fa4632c41714dfaa699bacc6a947d72668a4deef
  jonatack:
    ACK fa4632c41714dfaa, light review and sanity checks with gcc build and clang fuzz build

Tree-SHA512: 130a8d073a379ba556b1e64104d37c46b671425c0aef0ed725fd60156a95e8dc83fb6f0b5330b2f8152cf5daaf3983b4aca5e75812598f2626c39fd12b88b180
2023-08-29 22:00:59 -05:00
..
example-linearize-testnet.cfg Some Dashification (#3513) 2020-06-11 11:39:04 +03:00
example-linearize.cfg Dashification 2021-07-14 18:46:13 -05:00
linearize-data.py Merge #18673: scripted-diff: Sort test includes 2023-08-29 22:00:59 -05:00
linearize-hashes.py Merge #15257: Scripts and tools: Bump flake8 to 3.7.8 2021-10-05 20:34:01 +03:00
README.md merge #14954: Require python 3.5 2021-08-31 11:16:12 +05:30

README.md

Linearize

Construct a linear, no-fork, best version of the Dash blockchain.

Step 0: Install dash_hash

https://github.com/dashpay/dash_hash

Step 1: Download hash list

$ ./linearize-hashes.py linearize.cfg > hashlist.txt

Required configuration file settings for linearize-hashes:

  • RPC: datadir (Required if rpcuser and rpcpassword are not specified)
  • RPC: rpcuser, rpcpassword (Required if datadir is not specified)

Optional config file setting for linearize-hashes:

  • RPC: host (Default: 127.0.0.1)
  • RPC: port (Default: 9998)
  • Blockchain: min_height, max_height
  • rev_hash_bytes: If true, the written block hash list will be byte-reversed. (In other words, the hash returned by getblockhash will have its bytes reversed.) False by default. Intended for generation of standalone hash lists but safe to use with linearize-data.py, which will output the same data no matter which byte format is chosen.

The linearize-hashes script requires a connection, local or remote, to a JSON-RPC server. Running dashd or dash-qt -server will be sufficient.

Step 2: Copy local block data

$ ./linearize-data.py linearize.cfg

Required configuration file settings:

  • output_file: The file that will contain the final blockchain. or
  • output: Output directory for linearized blocks/blkNNNNN.dat output.

Optional config file setting for linearize-data:

  • debug_output: Some printouts may not always be desired. If true, such output will be printed.
  • file_timestamp: Set each file's last-accessed and last-modified times, respectively, to the current time and to the timestamp of the most recent block written to the script's blockchain.
  • genesis: The hash of the genesis block in the blockchain. (default is '00000ffd590b1485b3caadc19b22e6379c733355108f107a430458cdf3407ab6', mainnet)
  • input: dashd blocks/ directory containing blkNNNNN.dat
  • hashlist: text file containing list of block hashes created by linearize-hashes.py.
  • max_out_sz: Maximum size for files created by the output_file option. (Default: 1000*1000*1000 bytes)
  • netmagic: Network magic number. (default is 'bf0c6bbd', mainnet)
  • out_of_order_cache_sz: If out-of-order blocks are being read, the block can be written to a cache so that the blockchain doesn't have to be sought again. This option specifies the cache size. (Default: 100*1000*1000 bytes)
  • rev_hash_bytes: If true, the block hash list written by linearize-hashes.py will be byte-reversed when read by linearize-data.py. See the linearize-hashes entry for more information.
  • split_timestamp: Split blockchain files when a new month is first seen, in addition to reaching a maximum file size (max_out_sz).