def get_tx_data(tx_hex):
"""Accepts unsigned transactions."""
tx = bitcoin.rpc('decoderawtransaction', [tx_hex])
# Get destination output and data output.
destination, btc_amount, data = None, None, b''
for vout in tx['vout']:
# Sum data chunks to get data. (Can mix OP_RETURN and multi-sig.)
asm = vout['scriptPubKey']['asm'].split(' ')
if asm[0] == 'OP_RETURN' and len(asm) == 2: # OP_RETURN
data_chunk = binascii.unhexlify(bytes(asm[1], 'utf-8'))
data += data_chunk
elif asm[0] == '1' and asm[3] == '2' and asm[
4] == 'OP_CHECKMULTISIG': # Multi-sig
data_pubkey = binascii.unhexlify(bytes(asm[2], 'utf-8'))
data_chunk_length = data_pubkey[0] # No ord() necessary?!
data_chunk = data_pubkey[1:data_chunk_length + 1]
data += data_chunk
# Destination is the first output before the data.
if not destination and not btc_amount and not data:
if 'addresses' in vout['scriptPubKey']:
address = vout['scriptPubKey']['addresses'][0]
if bitcoin.base58_decode(
address,
config.ADDRESSVERSION): # If address is valid...
destination, btc_amount = address, round(
D(vout['value']) * config.UNIT)
continue
return destination, btc_amount, data
def get_tx_data (tx_hex):
"""Accepts unsigned transactions."""
tx = bitcoin.rpc('decoderawtransaction', [tx_hex])
# Get destination output and data output.
destination, btc_amount, data = None, None, b''
for vout in tx['vout']:
# Sum data chunks to get data. (Can mix OP_RETURN and multi-sig.)
asm = vout['scriptPubKey']['asm'].split(' ')
if asm[0] == 'OP_RETURN' and len(asm) == 2: # OP_RETURN
data_chunk = binascii.unhexlify(bytes(asm[1], 'utf-8'))
data += data_chunk
elif asm[0] == '1' and asm[3] == '2' and asm[4] == 'OP_CHECKMULTISIG': # Multi-sig
data_pubkey = binascii.unhexlify(bytes(asm[2], 'utf-8'))
data_chunk_length = data_pubkey[0] # No ord() necessary?!
data_chunk = data_pubkey[1:data_chunk_length + 1]
data += data_chunk
# Destination is the first output before the data.
if not destination and not btc_amount and not data:
if 'addresses' in vout['scriptPubKey']:
address = vout['scriptPubKey']['addresses'][0]
if bitcoin.base58_decode(address, config.ADDRESSVERSION): # If address is valid...
destination, btc_amount = address, round(D(vout['value']) * config.UNIT)
continue
return destination, btc_amount, data
def test_base58_decode():
"""
mainnet addresses here
The leading zeros are not included in the pubkeyhash: see
<http://www.bitcoinsecurity.org/wp-content/uploads/2012/07/tx_binary_map.png>.
"""
address = '16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM'
pubkeyhash = bitcoin.base58_decode(address, b'\x00')
assert binascii.hexlify(pubkeyhash).decode('utf-8') == '010966776006953D5567439E5E39F86A0D273BEE'.lower()
assert len(pubkeyhash) == 20
def test_base58_decode():
"""
mainnet addresses here
The leading zeros are not included in the pubkeyhash: see
<http://www.bitcoinsecurity.org/wp-content/uploads/2012/07/tx_binary_map.png>.
"""
address = '16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM'
pubkeyhash = bitcoin.base58_decode(address, b'\x00')
assert binascii.hexlify(pubkeyhash).decode('utf-8') == '010966776006953D5567439E5E39F86A0D273BEE'.lower()
assert len(pubkeyhash) == 20
def balances (address):
if not bitcoin.base58_decode(address, config.ADDRESSVERSION):
raise exceptions.InvalidAddressError('Not a valid Bitcoin address:',
address)
address_data = util.get_address(db, address=address)
balances = address_data['balances']
table = PrettyTable(['Asset', 'Amount'])
table.add_row(['BTC', bitcoin.get_btc_balance(address, normalize=True)]) # BTC
for balance in balances:
asset = balance['asset']
quantity = util.devise(db, balance['quantity'], balance['asset'], 'output')
table.add_row([asset, quantity])
print('Balances')
print(table.get_string())
def balances (address):
if not bitcoin.base58_decode(address, config.ADDRESSVERSION):
raise exceptions.AddressError('Not a valid Bitcoin address:',
address)
address_data = get_address(db, address=address)
balances = address_data['balances']
table = PrettyTable(['Asset', 'Amount'])
table.add_row(['BTC', bitcoin.get_btc_balance(address, normalize=True)]) # BTC
for balance in balances:
asset = balance['asset']
quantity = util.devise(db, balance['quantity'], balance['asset'], 'output')
table.add_row([asset, quantity])
print('Balances')
print(table.get_string())
def get_tx_data (tx_hex):
"""Accepts unsigned transactions."""
tx = bitcoin.rpc('decoderawtransaction', [tx_hex])['result']
# Get destination output and data output.
destination, btc_amount, data = None, None, None
for vout in tx['vout']:
# Destination is the first output before the data.
if not destination and not btc_amount and not data:
if 'addresses' in vout['scriptPubKey']:
address = vout['scriptPubKey']['addresses'][0]
if bitcoin.base58_decode(address, config.ADDRESSVERSION): # If address is valid…
destination, btc_amount = address, round(D(vout['value']) * config.UNIT)
# Assume only one OP_RETURN output.
if not data:
asm = vout['scriptPubKey']['asm'].split(' ')
if asm[0] == 'OP_RETURN' and len(asm) == 2:
data = binascii.unhexlify(asm[1])
return destination, btc_amount, data
unsigned_tx_hex = dividend.create(db, args.source, quantity_per_share,
args.share_asset)
json_print(bitcoin.transmit(unsigned_tx_hex, unsigned=args.unsigned))
elif args.action == 'burn':
quantity = util.devise(db, args.quantity, 'BTC', 'input')
unsigned_tx_hex = burn.create(db, args.source, quantity)
json_print(bitcoin.transmit(unsigned_tx_hex, unsigned=args.unsigned))
elif args.action == 'cancel':
unsigned_tx_hex = cancel.create(db, args.offer_hash)
json_print(bitcoin.transmit(unsigned_tx_hex, unsigned=args.unsigned))
elif args.action == 'address':
try:
bitcoin.base58_decode(args.address, config.ADDRESSVERSION)
except Exception:
raise exceptions.InvalidAddressError('Invalid Bitcoin address:',
args.address)
address(args.address)
elif args.action == 'asset':
if args.asset == 'XCP':
burns = util.get_burns(db, validity='Valid', address=None)
total = sum([burn['earned'] for burn in burns])
total = util.devise(db, total, args.asset, 'output')
divisible = True
issuer = None
elif args.asset == 'BTC':
total = None
divisible = True
quantity = util.devise(db, args.quantity, 'BTC', 'input')
cli('create_burn', [args.source, quantity], args.unsigned)
elif args.action == 'cancel':
cli('create_cancel', [args.offer_hash], args.unsigned)
elif args.action == 'callback':
cli('create_callback', [
args.source,
util.devise(db, args.fraction, 'fraction', 'input'), args.asset
], args.unsigned)
# VIEWING (temporary)
elif args.action == 'balances':
try:
bitcoin.base58_decode(args.address, config.ADDRESSVERSION)
except Exception:
raise exceptions.InvalidAddressError('Invalid Bitcoin address:',
args.address)
balances(args.address)
elif args.action == 'asset':
results = util.api('get_asset_info', [args.asset])
asset_id = util.get_asset_id(args.asset)
divisible = results['divisible']
total_issued = util.devise(db,
results['total_issued'],
args.asset,
dest='output')
call_date = util.isodt(
results['call_date']
elif args.action == 'cancel':
if args.fee: args.fee = util.devise(db, args.fee, 'BTC', 'input')
cli('create_cancel', {'source': args.source, 'offer_hash': args.offer_hash, 'fee': args.fee, 'allow_unconfirmed_inputs': args.unconfirmed}, args.unsigned)
elif args.action == 'callback':
if args.fee: args.fee = util.devise(db, args.fee, 'BTC', 'input')
cli('create_callback', {'source': args.source, 'fraction': util.devise(db, args.fraction,
'fraction', 'input'), 'asset': args.asset, 'fee': args.fee, 'allow_unconfirmed_inputs': args.unconfirmed},
args.unsigned)
# VIEWING (temporary)
elif args.action == 'balances':
try:
bitcoin.base58_decode(args.address, config.ADDRESSVERSION, config.ADDRESSVERSION_MULTISIG)
except Exception:
raise exceptions.AddressError('Invalid Bitcoin address:',
args.address)
balances(args.address)
elif args.action == 'asset':
results = util.api('get_asset_info', ([args.asset],))
if results:
results = results[0] # HACK
else:
print('Asset ‘{}’ not found.'.format(args.asset))
exit(0)
asset_id = util.asset_id(args.asset)
divisible = results['divisible']
