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support for OP_RETURN

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This commit is contained in:
ThomasV
2014-06-27 17:08:20 +02:00
parent 508d8a798f
commit 2efad717d8
4 changed files with 28 additions and 20 deletions
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13
lib/transaction.py
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@@ -428,9 +428,10 @@ def get_address_from_output_script(bytes):
push_script = lambda x: op_push(len(x)/2) + x
class Transaction:
def __init__(self, raw):
self.raw = raw
self.deserialize()
@@ -505,16 +506,17 @@ class Transaction:
@classmethod
def pay_script(self, addr):
if addr.startswith('OP_RETURN:'):
h = addr[10:].encode('hex')
return '6a' + push_script(h)
addrtype, hash_160 = bc_address_to_hash_160(addr)
if addrtype == 0:
script = '76a9' # op_dup, op_hash_160
script += '14' # push 0x14 bytes
script += hash_160.encode('hex')
script += push_script(hash_160.encode('hex'))
script += '88ac' # op_equalverify, op_checksig
elif addrtype == 5:
script = 'a9' # op_hash_160
script += '14' # push 0x14 bytes
script += hash_160.encode('hex')
script += push_script(hash_160.encode('hex'))
script += '87' # op_equal
else:
raise
@@ -524,7 +526,6 @@ class Transaction:
@classmethod
def serialize( klass, inputs, outputs, for_sig = None ):
push_script = lambda x: op_push(len(x)/2) + x
s = int_to_hex(1,4) # version
s += var_int( len(inputs) ) # number of inputs
for i in range(len(inputs)):