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* [pre-commit.ci] pre-commit autoupdate updates: - [github.com/PyCQA/docformatter: v1.5.1 → v1.6.0.rc1](PyCQA/docformatter@v1.5.1...v1.6.0.rc1) - [github.com/pycqa/pydocstyle: 6.2.3 → 6.3.0](PyCQA/pydocstyle@6.2.3...6.3.0) - [github.com/pycqa/pylint: v2.15.10 → v2.16.0b1](pylint-dev/pylint@v2.15.10...v2.16.0b1) * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
btclib-org · Jan 29, 2023 · bdf95e1 · bdf95e1
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diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -70,7 +70,7 @@ repos:
         language: python
         types: [python]
   - repo: https://github.com/PyCQA/docformatter
-    rev: v1.5.1
+    rev: v1.6.0.rc1
     hooks:
       - id: docformatter
         description: "Formats docstrings to follow PEP 257."
@@ -84,7 +84,7 @@ repos:
         language: python
         types: [python]
   - repo: https://github.com/pycqa/pydocstyle
-    rev: 6.2.3
+    rev: 6.3.0
     hooks:
       - id: pydocstyle
         additional_dependencies: [tomli]
@@ -138,7 +138,7 @@ repos:
         language: python
         types: [python]
   - repo: https://github.com/pycqa/pylint
-    rev: v2.15.10
+    rev: v2.16.0b1
     hooks:
       - id: pylint
         args: [

diff --git a/btclib/block/block.py b/btclib/block/block.py
@@ -50,10 +50,10 @@ def vsize(self) -> int:
     def height(self) -> int | None:
         """Return the height committed into a BIP34 coinbase script_sig.
 
-        Version 2 blocks commit block height into the coinbase script_sig.
+        Version 2 blocks commit block height into the coinbase
+        script_sig.
 
         https://github.com/bitcoin/bips/blob/master/bip-0034.mediawiki
-
         Block 227,835 (2013-03-24 15:49:13 GMT) was the last version 1 block.
         """
         if not self.transactions[0].is_coinbase():

diff --git a/btclib/block/block_header.py b/btclib/block/block_header.py
@@ -70,7 +70,8 @@ def difficulty(self) -> float:
 
         It represents the average number of hash function evaluations
         required to satisfy the BlockHeader target,
-        expressed as multiple of the genesis block difficulty used as unit.
+        expressed as multiple of the genesis block difficulty used as
+        unit.
 
         The difficulty of the genesis block is 2^32 (4*2^30),
         i.e. 4 GigaHash function evaluations.

diff --git a/btclib/ec/curve_group.py b/btclib/ec/curve_group.py
@@ -530,7 +530,8 @@ def mult_mont_ladder(m: int, Q: JacPoint, ec: CurveGroup) -> JacPoint:
     Jacobian coordinates.
 
     It is constant-time and resistant to the FLUSH+RELOAD attack,
-    (see https://eprint.iacr.org/2014/140.pdf)
+    (see
+    https://eprint.iacr.org/2014/140.pdf)
     as it prevents branch prediction avoiding any if.
 
     The input point is assumed to be on curve and
@@ -675,8 +676,8 @@ def _double_mult(
     Strauss algorithm consists of a single 'double & add' loop
     for the parallel calculation of u*H and v*Q, efficiently
     using a single 'doubling' for both scalar multiplications (see
-    https://stackoverflow.com/questions/50993471/ec-scalar-multiplication-with-strauss-shamir-method).
 
+    https://stackoverflow.com/questions/50993471/ec-scalar-multiplication-with-strauss-shamir-method).
     The Shamir trick adds the precomputation of H+Q,
     which is to be added in the loop when the binary digits
     of u and v are both equal to 1 (on average 1/4 of the cases).

diff --git a/btclib/ecc/dh.py b/btclib/ecc/dh.py
@@ -34,7 +34,8 @@ def ansi_x9_63_kdf(z: bytes, size: int, hf: HashF, shared_info: bytes | None) ->
     Return a keying data octet sequence of the requested size according
     to ANSI-X9.63-KDF specifications for the key derivation function.
 
-    http://www.secg.org/sec1-v2.pdf, section 3.6.1
+    http://www.secg.org/sec1-v2.pdf,
+    section 3.6.1
     """
     hf_size = hf().digest_size
     max_size = hf_size * (2**32 - 1)

diff --git a/btclib/number_theory.py b/btclib/number_theory.py
@@ -46,6 +46,7 @@ def mod_inv(a: int, m: int) -> int:
     m does not have to be a prime.
 
     Based on Extended Euclidean Algorithm, see:
+
     https://en.wikibooks.org/wiki/Algorithm_Implementation/Mathematics/Extended_Euclidean_algorithm
     """
     a %= m

diff --git a/btclib/psbt/psbt.py b/btclib/psbt/psbt.py
@@ -439,7 +439,8 @@ def extract_tx(psbt: Psbt, check_validity: bool = True) -> Tx:
     The Transaction Extractor must only accept a PSBT.
     It checks whether all inputs have complete scriptSigs
     and scriptWitnesses by checking for the presence of
-    0x07 Finalized scriptSig and 0x08 Finalized scriptWitness typed records.
+    0x07 Finalized scriptSig and 0x08 Finalized scriptWitness typed
+    records.
 
     If they do, the Transaction Extractor should construct
     complete scriptSigs and scriptWitnesses and encode them

diff --git a/btclib/tx/tx.py b/btclib/tx/tx.py
@@ -14,12 +14,12 @@
 vin (list[TxIn]), and vout (list[TxOut]).
 
 https://en.bitcoin.it/wiki/Transaction
-https://learnmeabitcoin.com/guide/coinbase-transaction
+ https://learnmeabitcoin.com/guide/coinbase-transaction
 https://bitcoin.stackexchange.com/questions/20721/what-is-the-format-of-the-coinbase-transaction
 
 For TxIn.sequence and TX.lock_time see:
 https://developer.bitcoin.org/devguide/transactions.html
-https://medium.com/summa-technology/bitcoins-time-locks-27e0c362d7a1
+ https://medium.com/summa-technology/bitcoins-time-locks-27e0c362d7a1
 https://bitcoin.stackexchange.com/questions/40764/is-my-understanding-of-locktime-correct
 https://en.bitcoin.it/wiki/Timelock
 """

diff --git a/btclib/utils.py b/btclib/utils.py
@@ -82,7 +82,8 @@ def int_from_bits(octets: Octets, nlen: int) -> int:
     bits on the left, while int_from_bits will discard some bits on the
     right. i.to_bytes is the reverse of int_from_bits only when
     nlen is a multiple of 8 and bit sequences already have length nlen.
-    See https://tools.ietf.org/html/rfc6979#section-2.3.5.
+    See
+    https://tools.ietf.org/html/rfc6979#section-2.3.5.
     """
     octets = bytes_from_octets(octets)
     i = int.from_bytes(octets, byteorder="big", signed=False)

diff --git a/tests/bip32/test_bip32.py b/tests/bip32/test_bip32.py
@@ -184,7 +184,6 @@ def test_invalid_bip32_xkeys() -> None:
 
     https://github.com/bitcoin/bips/pull/921
     """
-
     filename = path.join(data_folder, "bip32_invalid_keys.json")
     with open(filename, encoding="ascii") as file_:
         test_vectors = json.load(file_)
@@ -356,7 +355,6 @@ def test_crack() -> None:
 
 def test_bips_pr905() -> None:
     """Https://github.com/bitcoin/bips/pull/905."""
-
     seed = "57fb1e450b8afb95c62afbcd49e4100d6790e0822b8905608679180ac34ca0bd45bf7ccc6c5f5218236d0eb93afc78bd117b9f02a6b7df258ea182dfaef5aad7"
     xroot = rootxprv_from_seed(seed)
     der_path = "m/44H/60H/0H"

diff --git a/tests/block/test_block.py b/tests/block/test_block.py
@@ -25,7 +25,6 @@
 
 def test_block_1() -> None:
     """Test first block after genesis."""
-
     fname = "block_1.bin"
     filename = path.join(path.dirname(__file__), "_data", fname)
     with open(filename, "rb") as file_:
@@ -123,7 +122,6 @@ def test_exceptions() -> None:
 
 def test_block_170() -> None:
     """Test first block with a transaction."""
-
     fname = "block_170.bin"
     filename = path.join(path.dirname(__file__), "_data", fname)
     with open(filename, "rb") as file_:
@@ -202,7 +200,6 @@ def test_block_200000() -> None:
 
 def test_block_481824() -> None:
     """Test first block with segwit transaction as seen from legacy nodes."""
-
     for i, fname in enumerate(["block_481824.bin", "block_481824_complete.bin"]):
         filename = path.join(path.dirname(__file__), "_data", fname)
         with open(filename, "rb") as file_:

diff --git a/tests/ecc/test_bms.py b/tests/ecc/test_bms.py
@@ -528,7 +528,6 @@ def test_vector_python_bitcoinlib() -> None:
 
     - https://github.com/petertodd/python-bitcoinlib/blob/master/bitcoin/tests/test_data/bms.json
     """
-
     fname = "bms.json"
     filename = path.join(path.dirname(__file__), "_data", fname)
     with open(filename, encoding="ascii") as file_:
@@ -577,7 +576,6 @@ def test_vector_python_bitcoinlib() -> None:
 
 def test_ledger() -> None:
     """Hybrid ECDSA Bitcoin message signature generated by Ledger."""
-
     mnemonic = (
         "barely sun snack this snack relief pipe attack disease boss enlist lawsuit"
     )

diff --git a/tests/ecc/test_dh.py b/tests/ecc/test_dh.py
@@ -64,7 +64,6 @@ def test_gec_2() -> None:
 
     - http://read.pudn.com/downloads168/doc/772358/TestVectorsforSEC%201-gec2.pdf
     """
-
     # 4.1.1
     ec = CURVES["secp160r1"]
     hf = sha1
@@ -121,7 +120,6 @@ def test_capv() -> None:
     - https://csrc.nist.gov/projects/cryptographic-algorithm-validation-program/component-testing
     - https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/components/800-135testvectors/ansx963_2001.zip
     """
-
     # fmt: off
     test_vectors = [
         (sha1, 128, "1c7d7b5f0597b03d06a018466ed1a93e30ed4b04dc64ccdd", None, "bf71dffd8f4d99223936beb46fee8ccc"),

diff --git a/tests/ecc/test_pedersen.py b/tests/ecc/test_pedersen.py
@@ -28,7 +28,6 @@ def test_second_generator() -> None:
     About compressed encoding of the second generator:
     - https://github.com/garyyu/rust-secp256k1-zkp/wiki/Pedersen-Commitment
     """
-
     H = (
         0x50929B74C1A04954B78B4B6035E97A5E078A5A0F28EC96D547BFEE9ACE803AC0,
         0x31D3C6863973926E049E637CB1B5F40A36DAC28AF1766968C30C2313F3A38904,

diff --git a/tests/ecc/test_ssa.py b/tests/ecc/test_ssa.py
@@ -297,7 +297,6 @@ def test_musig() -> None:
     - https://blockstream.com/2018/01/23/musig-key-aggregation-schnorr-signatures.html
     - https://medium.com/@snigirev.stepan/how-schnorr-signatures-may-improve-bitcoin-91655bcb4744
     """
-
     ec = CURVES["secp256k1"]
 
     msg_hash = hf(b"message to sign").digest()

diff --git a/tests/mnemonic/test_electrum.py b/tests/mnemonic/test_electrum.py
@@ -98,7 +98,6 @@ def test_mnemonic_from_entropy() -> None:
 
 def test_p2wpkh_p2sh() -> None:
     """Test generation of a p2wpkh-p2sh wallet."""
-
     # https://bitcoinelectrum.com/creating-a-p2sh-segwit-wallet-with-electrum/
     # https://www.youtube.com/watch?v=-1DBJWwA2Cw
 

diff --git a/tests/psbt/test_psbt.py b/tests/psbt/test_psbt.py
@@ -30,7 +30,6 @@
 
 def test_vectors_bip174() -> None:
     """Test https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki."""
-
     data_folder = path.join(path.dirname(__file__), "_data")
     filename = path.join(data_folder, "bip174_test_vectors.json")
     with open(filename, encoding="ascii") as file_:

diff --git a/tests/script/test_script_pub_key.py b/tests/script/test_script_pub_key.py
@@ -520,7 +520,6 @@ def test_p2ms_3() -> None:
 
 def test_bip67() -> None:
     """BIP67 test vectors https://en.bitcoin.it/wiki/BIP_0067."""
-
     data_folder = path.join(path.dirname(__file__), "_data")
     filename = path.join(data_folder, "bip67_test_vectors.json")
     with open(filename, encoding="ascii") as file_:

diff --git a/tests/test_b32.py b/tests/test_b32.py
@@ -61,7 +61,6 @@ def test_has_segwit_prefix() -> None:
 
 def test_valid_address() -> None:
     """Test whether valid addresses decode to the correct output."""
-
     valid_bc_addresses: list[tuple[str, str]] = [
         (
             "BC1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7KV8F3T4",
@@ -111,7 +110,6 @@ def test_valid_address() -> None:
 
 def test_invalid_address() -> None:
     """Test whether invalid addresses fail to decode."""
-
     invalid_addresses: list[tuple[str, str]] = [
         ("tc1qw508d6qejxtdg4y5r3zarvary0c5xw7kg3g4ty", "invalid hrp: "),
         (
@@ -195,7 +193,6 @@ def test_invalid_address() -> None:
 
 def test_invalid_address_enc() -> None:
     """Test whether address encoding fails on invalid input."""
-
     invalid_address_enc: list[tuple[str, int, int, str]] = [
         ("MAINNET", 0, 20, "'MAINNET'"),
         ("mainnet", 0, 21, "invalid size: "),

diff --git a/tests/test_bech32.py b/tests/test_bech32.py
@@ -50,7 +50,6 @@
 
 def test_bech32() -> None:
     """Test bech32 checksum."""
-
     valid_checksum = [
         "A12UEL5L",
         "a12uel5l",