tuse serialize_xpub/xprv - electrum - Electrum Bitcoin wallet
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---
DIR commit 17cfc03540a217c1699cf2e1430b5ee409b58ead
DIR parent 7daa8ebfdd923950841627b79a73507dd8e82322
HTML Author: ThomasV <thomasv@electrum.org>
Date: Sun, 5 Feb 2017 11:30:32 +0100
use serialize_xpub/xprv
Diffstat:
M lib/bitcoin.py | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
---
DIR diff --git a/lib/bitcoin.py b/lib/bitcoin.py
t@@ -745,8 +745,8 @@ def xprv_header(xtype):
def xpub_header(xtype):
return ("%08x"%(XPUB_HEADER + xtype)).decode('hex')
-def serialize_xprv(xtype, c, k):
- xprv = xprv_header(xtype) + chr(0)*9 + c + chr(0) + k
+def serialize_xprv(xtype, c, k, depth=0, fingerprint=chr(0)*4, child_number=chr(0)*4):
+ xprv = xprv_header(xtype) + chr(depth) + fingerprint + child_number + c + chr(0) + k
return EncodeBase58Check(xprv)
def serialize_xpub(xtype, c, cK, depth=0, fingerprint=chr(0)*4, child_number=chr(0)*4):
t@@ -822,14 +822,13 @@ def bip32_private_derivation(xprv, branch, sequence):
parent_k = k
k, c = CKD_priv(k, c, i)
depth += 1
-
_, parent_cK = get_pubkeys_from_secret(parent_k)
fingerprint = hash_160(parent_cK)[0:4]
child_number = ("%08X"%i).decode('hex')
K, cK = get_pubkeys_from_secret(k)
- xprv = xprv_header(xtype) + chr(depth) + fingerprint + child_number + c + chr(0) + k
- xpub = xpub_header(xtype) + chr(depth) + fingerprint + child_number + c + cK
- return EncodeBase58Check(xprv), EncodeBase58Check(xpub)
+ xpub = serialize_xpub(xtype, c, cK, depth, fingerprint, child_number)
+ xprv = serialize_xprv(xtype, c, k, depth, fingerprint, child_number)
+ return xprv, xpub
def bip32_public_derivation(xpub, branch, sequence):
t@@ -844,8 +843,7 @@ def bip32_public_derivation(xpub, branch, sequence):
depth += 1
fingerprint = hash_160(parent_cK)[0:4]
child_number = ("%08X"%i).decode('hex')
- xpub = xpub_header(xtype) + chr(depth) + fingerprint + child_number + c + cK
- return EncodeBase58Check(xpub)
+ return serialize_xpub(xtype, c, cK, depth, fingerprint, child_number)
def bip32_private_key(sequence, k, chain):