Madiator2011/lbry-sdk
1
0
Fork 0
forked from LBRYCommunity/lbry-sdk
Code Pull requests Activity

removed address.py

Browse source
This commit is contained in:
Lex Berezhny 2019-03-18 00:57:28 -04:00
parent d5e37acd8f
commit 323694fb12
1 changed files with 0 additions and 64 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

64
lbrynet/schema/address.py
View file

@ -1,64 +0,0 @@
import lbrynet.schema
from lbrynet.schema.base import b58encode, b58decode, validate_b58_checksum
from lbrynet.schema.hashing import double_sha256, hash160
from lbrynet.schema.error import InvalidAddress
from lbrynet.schema.constants import ADDRESS_LENGTH, ADDRESS_PREFIXES, PUBKEY_ADDRESS, SCRIPT_ADDRESS
def validate_address_length(addr_bytes):
if len(addr_bytes) != ADDRESS_LENGTH:
raise InvalidAddress("Invalid address length: %i" % len(addr_bytes))
def validate_address_prefix(addr_bytes):
prefix = addr_bytes[0]
if prefix not in ADDRESS_PREFIXES[lbrynet.schema.BLOCKCHAIN_NAME].values():
raise InvalidAddress("Invalid address prefix: %.2X" % prefix)
def validate_lbrycrd_address_bytes(addr_bytes):
validate_address_length(addr_bytes)
validate_address_prefix(addr_bytes)
validate_b58_checksum(addr_bytes)
return addr_bytes
def decode_address(v):
"""decode and validate a b58 address"""
return validate_lbrycrd_address_bytes(b58decode(v))
def encode_address(addr_bytes):
"""validate and encode an address as b58"""
v = validate_lbrycrd_address_bytes(addr_bytes)
return b58encode(v)
def hash_160_bytes_to_address(h160, addrtype=PUBKEY_ADDRESS):
if addrtype == PUBKEY_ADDRESS:
prefix = chr(ADDRESS_PREFIXES[lbrynet.schema.BLOCKCHAIN_NAME][PUBKEY_ADDRESS])
elif addrtype == SCRIPT_ADDRESS:
prefix = chr(ADDRESS_PREFIXES[lbrynet.schema.BLOCKCHAIN_NAME][SCRIPT_ADDRESS])
else:
raise Exception("Invalid address prefix")
return b58encode(prefix + h160 + double_sha256(prefix + h160)[0:4])
def public_key_to_address(public_key):
return hash_160_bytes_to_address(hash160(public_key))
def address_to_hash_160(addr):
bytes = decode_address(addr)
prefix, pubkey_bytes, addr_checksum = bytes[0], bytes[1:21], bytes[21:]
if prefix == chr(ADDRESS_PREFIXES[lbrynet.schema.BLOCKCHAIN_NAME][PUBKEY_ADDRESS]):
return PUBKEY_ADDRESS, pubkey_bytes
return SCRIPT_ADDRESS, pubkey_bytes
def is_address(addr):
try:
addr_bytes = decode_address(addr)
return True
except InvalidAddress:
return False