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make ledger impl python3 compliant #6

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Apr 13, 2018
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make ledger impl python3 compliant #6

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8 changes: 4 additions & 4 deletions ledgeri.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ def get_pubkey_at_path(self, path):
child = struct.pack(">I", int(childstr)+hard)
# Special case for m
else:
child = "00000000".decode('hex')
child = bytearray.fromhex("00000000")
fpr = child

chainCode = pubkey["chainCode"]
Expand All @@ -55,7 +55,7 @@ def get_pubkey_at_path(self, path):
depth = len(path.split("/")) if len(path) > 0 else 0
depth = struct.pack("B", depth)

version = "0488B21E".decode('hex')
version = bytearray.fromhex("0488B21E")
extkey = version+depth+fpr+child+chainCode+publicKey
checksum = hash256(extkey)[:4]

Expand Down Expand Up @@ -88,7 +88,7 @@ def sign_tx(self, tx):
for pubkey, path in tx.hd_keypaths.items():
if struct.pack("<I", path[0]) == master_fpr and len(path) > 2 and path[-2] == 1:
# For possible matches, check if pubkey matches possible template
if hash160(pubkey) in txout.scriptPubKey or hash160("0014".decode('hex')+hash160(pubkey)) in txout.scriptPubKey:
if hash160(pubkey) in txout.scriptPubKey or hash160(bytearray.fromhex("0014")+hash160(pubkey)) in txout.scriptPubKey:
change_path = ''
for index in path[1:]:
change_path += str(index)+"/"
Expand All @@ -99,7 +99,7 @@ def sign_tx(self, tx):

seq = format(txin.nSequence, 'x')
seq = seq.zfill(8)
seq = bytearray(seq.decode('hex'))
seq = bytearray.fromhex(seq)
seq.reverse()
seq_hex = ''.join('{:02x}'.format(x) for x in seq)

Expand Down