From abc7429b0ffc6d3fdadbf78cc6272891a8e5e1e9 Mon Sep 17 00:00:00 2001 From: Roman Zeyde Date: Sun, 9 Aug 2015 19:27:26 +0300 Subject: [PATCH] bitcoin: remove multiple imports --- lib/bitcoin.py | 5 ----- 1 file changed, 5 deletions(-) diff --git a/lib/bitcoin.py b/lib/bitcoin.py index 96b61b429..5e3f6723c 100644 --- a/lib/bitcoin.py +++ b/lib/bitcoin.py @@ -604,8 +604,6 @@ def CKD_priv(k, c, n): return _CKD_priv(k, c, rev_hex(int_to_hex(n,4)).decode('hex'), is_prime) def _CKD_priv(k, c, s, is_prime): - import hmac - from ecdsa.util import string_to_number, number_to_string order = generator_secp256k1.order() keypair = EC_KEY(k) cK = GetPubKey(keypair.pubkey,True) @@ -627,8 +625,6 @@ def CKD_pub(cK, c, n): # helper function, callable with arbitrary string def _CKD_pub(cK, c, s): - import hmac - from ecdsa.util import string_to_number, number_to_string order = generator_secp256k1.order() I = hmac.new(c, cK + s, hashlib.sha512).digest() curve = SECP256k1 @@ -706,7 +702,6 @@ def xpub_from_xprv(xprv, testnet=False): def bip32_root(seed, testnet=False): - import hmac header_pub, header_priv = _get_headers(testnet) I = hmac.new("Bitcoin seed", seed, hashlib.sha512).digest() master_k = I[0:32]