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Make linearize scripts Python 3-compatible.

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Doug
2016-12-20 19:27:01 -08:00
committed by Douglas Roark
parent d5aa19813c
commit 3c8f63ba7c
3 changed files with 47 additions and 26 deletions
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13
contrib/linearize/README.md
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@@ -1,5 +1,6 @@
# Linearize
Construct a linear, no-fork, best version of the Bitcoin blockchain.
Construct a linear, no-fork, best version of the Bitcoin blockchain. The scripts
run using Python 3 but are compatible with Python 2.
## Step 1: Download hash list
@@ -9,7 +10,8 @@ Required configuration file settings for linearize-hashes:
* RPC: `rpcuser`, `rpcpassword`
Optional config file setting for linearize-hashes:
* RPC: `host`, `port` (Default: `127.0.0.1:8332`)
* RPC: `host` (Default: `127.0.0.1`)
* RPC: `port` (Default: `8332`)
* 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
@@ -17,6 +19,9 @@ 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 `bitcoind` or `bitcoin-qt -server` will be sufficient.
## Step 2: Copy local block data
$ ./linearize-data.py linearize.cfg
@@ -24,13 +29,13 @@ the same data no matter which byte format is chosen.
Required configuration file settings:
* `output_file`: The file that will contain the final blockchain.
or
* `output`: Output directory for linearized blocks/blkNNNNN.dat output.
* `output`: Output directory for linearized `blocks/blkNNNNN.dat` output.
Optional config file setting for linearize-data:
* `file_timestamp`: Set each file's last-modified time to that of the most
recent block in that file.
* `genesis`: The hash of the genesis block in the blockchain.
* `input: bitcoind blocks/ directory containing blkNNNNN.dat
* `input`: bitcoind 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.