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-rw-r--r--test/functional/test_framework/bignum.py44
1 files changed, 0 insertions, 44 deletions
diff --git a/test/functional/test_framework/bignum.py b/test/functional/test_framework/bignum.py
deleted file mode 100644
index 529d39c420..0000000000
--- a/test/functional/test_framework/bignum.py
+++ /dev/null
@@ -1,44 +0,0 @@
-#!/usr/bin/env python3
-#
-# Distributed under the MIT software license, see the accompanying
-# file COPYING or http://www.opensource.org/licenses/mit-license.php.
-"""Big number routines.
-
-Functions for converting numbers to MPI format and Bitcoin-specific little
-endian format.
-
-This file is copied from python-bitcoinlib.
-"""
-def bn2mpi(v):
- """Convert number to MPI format, without the sign byte."""
- # The top bit is used to indicate the sign of the number. If there
- # isn't a spare bit in the bit length, add an extension byte.
- have_ext = False
- ext = bytearray()
- if v.bit_length() > 0:
- have_ext = (v.bit_length() & 0x07) == 0
- ext.append(0)
-
- # Is the number negative?
- neg = False
- if v < 0:
- neg = True
- v = -v
-
- # Convert the int to bytes
- v_bin = bytearray()
- bytes_len = (v.bit_length() + 7) // 8
- for i in range(bytes_len, 0, -1):
- v_bin.append((v >> ((i - 1) * 8)) & 0xff)
-
- # Add the sign bit if necessary
- if neg:
- if have_ext:
- ext[0] |= 0x80
- else:
- v_bin[0] |= 0x80
- return ext + v_bin
-
-def bn2vch(v):
- """Convert number to bitcoin-specific little endian format."""
- return bytes(reversed(bn2mpi(v)))