def parse_script(s):
def ishex(s):
return set(s).issubset(set('0123456789abcdefABCDEF'))
r = []
opcodes_by_name = {}
for name, code in OPCODES_BY_NAME.items():
opcodes_by_name[name] = code
opcodes_by_name[name[3:]] = code
for word in s.split():
if word.isdigit() or (word[0] == '-' and word[1:].isdigit()):
if int(word) in (0, 80):
r.append(None)
elif int(word) < 0:
raise ValueError("Negative 1 error!")
elif 81 <= int(word) <= 96:
raise ValueError("Range of 81-96, should be 1-16\n"
"WE SHOULDN'T GET HERE") # check
r.append(int(word))
elif word.startswith('0x') and ishex(word[2:]):
if int(word[2:], 16) <= 0x4e:
continue # we don't need push codes
else:
r.append(word[2:])
elif len(word) >= 2 and ((word[0], word[-1]) == ("'", "'") or
(word[0], word[-1]) == ("[", "]")):
r.append(word[1:-1])
elif word in opcodes_by_name: # Should be op_codes > 0x60
assert opcodes_by_name[word] > 96
r.append(opcodes_by_name[word]) # r.append(get_op(v[3:]))
else:
raise ValueError("could not parse script! (word=\t%s)" % str(word))
sc = serialize_script(r)
# 7,12,13,24 don't work
return sc
def parse_script(s):
def ishex(s):
return set(s).issubset(set('0123456789abcdefABCDEF'))
r = []
opcodes_by_name = {}
for name, code in OPCODES_BY_NAME.items():
opcodes_by_name[name] = code
opcodes_by_name[name[3:]] = code
for word in s.split():
if word.isdigit() or (word[0] == '-' and word[1:].isdigit()):
if int(word) in (0, 80):
r.append(None)
elif int(word) < 0:
raise ValueError("Negative 1 error!")
elif 81 <= int(word) <= 96:
raise ValueError("Range of 81-96, should be 1-16\n"
"WE SHOULDN'T GET HERE") # check
r.append(int(word))
elif word.startswith('0x') and ishex(word[2:]):
if int(word[2:], 16) <= 0x4e:
continue # we don't need push codes
else:
r.append(word[2:])
elif len(word) >= 2 and ((word[0], word[-1]) == ("'", "'")
or (word[0], word[-1]) == ("[", "]")):
r.append(word[1:-1])
elif word in opcodes_by_name: # Should be op_codes > 0x60
assert opcodes_by_name[word] > 96
r.append(opcodes_by_name[word]) # r.append(get_op(v[3:]))
else:
raise ValueError("could not parse script! (word=\t%s)" % str(word))
sc = serialize_script(r)
# 7,12,13,24 don't work
return sc
def parse_script(spk):
from bitcoin.transaction import serialize_script
spk, res = str(spk), []
if all([x in spk for x in ['[', ']']]): # HASH160 0x14 [0xdc44b1164188067c3a32d4780f5996fa14a4f2d9] EQUALVERIFY
spk = spk.replace('[', '0x').replace(']', '')
for word in spk.split():
if word.isdigit() or (word[0] == '-' and word[1:].isdigit()):
res.append(int(word, 0))
elif word.startswith('0x') and re.match('^[0-9a-fA-F]*$', word[2:]):
if int(word[2:], 16) < 0x4c:
continue
else:
res.append(word[2:])
elif len(word) >= 2 and word[0] == "'" and word[-1] == "'":
res.append(word[1:-1])
elif word.startswith('[0x') and word.endswith(']') and re.match('^[0-9a-fA-F]*$', word[3:-1]):
word = word[1:-1]
if int(word[2:], 16) < 0x4c:
continue
else:
res.append(word[2:])
elif word in OPname:
res.append(OPname[word]) # r.append(get_op(v[3:]))
return serialize_script(res)
