def validate_address(addr):
try:
assert len(addr) > 2
if addr[:2].lower() in ['bc', 'tb']:
# Regtest special case
if addr[:4] == 'bcrt':
if btc.bech32addr_decode('bcrt', addr)[1]:
return True, 'address validated'
return False, 'Invalid bech32 regtest address'
#Else, enforce testnet/mainnet per config
if get_network() == "testnet":
hrpreq = 'tb'
else:
hrpreq = 'bc'
if btc.bech32addr_decode(hrpreq, addr)[1]:
return True, 'address validated'
return False, 'Invalid bech32 address'
#Not bech32; assume b58 from here
ver = btc.get_version_byte(addr)
except AssertionError:
return False, 'Checksum wrong. Typo in address?'
except Exception:
return False, "Invalid bitcoin address"
if ver != get_p2pk_vbyte() and ver != get_p2sh_vbyte():
return False, 'Wrong address version. Testnet/mainnet confused?'
if len(btc.b58check_to_bin(addr)) != 20:
return False, "Address has correct checksum but wrong length."
return True, 'address validated'
def wif_to_privkey(cls, wif):
raw = btc.b58check_to_bin(wif)
vbyte = struct.unpack('B', btc.get_version_byte(wif))[0]
if (struct.unpack('B', btc.BTC_P2PK_VBYTE[get_network()])[0] + struct.unpack('B', cls.WIF_PREFIX)[0]) & 0xff == vbyte:
key_type = TYPE_P2PKH
elif (struct.unpack('B', btc.BTC_P2SH_VBYTE[get_network()])[0] + struct.unpack('B', cls.WIF_PREFIX)[0]) & 0xff == vbyte:
key_type = TYPE_P2SH_P2WPKH
else:
key_type = None
return raw, key_type
def validate_address(addr, nettype):
"""A mock of jmclient.validate_address
"""
BTC_P2PK_VBYTE = {"mainnet": b'\x00', "testnet": b'\x6f'}
BTC_P2SH_VBYTE = {"mainnet": b'\x05', "testnet": b'\xc4'}
try:
ver = btc.get_version_byte(addr)
except AssertionError as e:
return False, 'Checksum wrong. Typo in address?'
except Exception as e:
return False, "Invalid bitcoin address"
if ver not in [BTC_P2PK_VBYTE[nettype], BTC_P2SH_VBYTE[nettype]]:
return False, 'Wrong address version. Testnet/mainnet confused?'
if len(btc.b58check_to_bin(addr)) != 20:
return False, "Address has correct checksum but wrong length."
return True, 'address validated'
def wif_to_privkey(cls, wif):
raw = btc.b58check_to_bin(wif)[1]
# see note to `privkey_to_wif`; same applies here.
# We only handle valid private keys, not any byte string.
btc.read_privkey(raw)
vbyte = struct.unpack('B', btc.get_version_byte(wif))[0]
if (struct.unpack('B', btc.BTC_P2PK_VBYTE[get_network()])[0] + \
struct.unpack('B', cls.WIF_PREFIX)[0]) & 0xff == vbyte:
key_type = TYPE_P2PKH
elif (struct.unpack('B', btc.BTC_P2SH_VBYTE[get_network()])[0] + \
struct.unpack('B', cls.WIF_PREFIX)[0]) & 0xff == vbyte:
key_type = TYPE_P2SH_P2WPKH
else:
key_type = None
return raw, key_type
def wif_to_privkey(cls, wif):
""" Note July 2020: the `key_type` construction below is
custom and is not currently used. Future code should
not use this returned `key_type` variable.
"""
raw = btc.b58check_to_bin(wif)[1]
# see note to `privkey_to_wif`; same applies here.
# We only handle valid private keys, not any byte string.
btc.read_privkey(raw)
vbyte = struct.unpack('B', btc.get_version_byte(wif))[0]
if (struct.unpack('B', btc.BTC_P2PK_VBYTE[get_network()])[0] + \
struct.unpack('B', cls.WIF_PREFIX)[0]) & 0xff == vbyte:
key_type = TYPE_P2PKH
elif (struct.unpack('B', btc.BTC_P2SH_VBYTE[get_network()])[0] + \
struct.unpack('B', cls.WIF_PREFIX)[0]) & 0xff == vbyte:
key_type = TYPE_P2SH_P2WPKH
else:
key_type = None
return raw, key_type