def sweep_btc_account(self, SENDER_ADDRESS='', email=''):
addrs = []
addrs.append(SENDER_ADDRESS)
transactions = []
transactions_with_key = []
sum = 0.0
utxo = rpc.listunspent(minconf=6, addrs=addrs)
# Return if there are no transactions
if len(utxo) == 0: return
for txo in utxo:
sum += float(txo['amount']) / COIN
transaction = {}
transaction['txid'] = b2lx(txo['outpoint'].hash)
transaction['vout'] = txo['outpoint'].n
transactions.append(transaction)
transaction['scriptPubKey'] = hexlify(txo['scriptPubKey'])
transactions_with_key.append(transaction)
# Need to calculate transaction fee
transaction_fee = 0.0001
addresses = {}
addresses[EXCHANGE_BITCOIN_ADDRESS] = sum - transaction_fee
# Pickup the private key from the database, hardcoded for now
PRIVATE_KEY = manager_c.get('bitcoin_keypairs',
SENDER_ADDRESS)['priv_key']
private_keys = []
private_keys.append(PRIVATE_KEY)
try:
raw_tx = rpc.createrawtransaction(transactions, addresses)
signed_transaction = rpc.signrawtransaction(
raw_tx, transactions_with_key, private_keys)
except:
raise
return
if not signed_transaction['complete'] or not signed_transaction:
raise 'Transaction signing unsuccessful'
return
else:
txid = rpc.sendrawtransaction(signed_transaction['tx'])
print 'Sent %s from %s to %s' % (
addresses[EXCHANGE_BITCOIN_ADDRESS], SENDER_ADDRESS,
PRIVATE_KEY)
lxtxid = b2lx(txid)
print lxtxid
# Update the the users space in hyperdex, add 'sum' bitcoin to the
# user's balance keyed on email-id.
x = webserver_c.begin_transaction()
#x.put('users', email, {'Bitcoin': x.get('users', email)['Bitcoin'] + addresses[EXCHANGE_BITCOIN_ADDRESS]})
x.atomic_add('users', email,
{'Bitcoin': addresses[EXCHANGE_BITCOIN_ADDRESS]})
x.commit()
def sweep_btc_account(self, SENDER_ADDRESS='', email=''):
addrs = []
addrs.append(SENDER_ADDRESS)
transactions = []
transactions_with_key = []
sum = 0.0
utxo = rpc.listunspent(minconf=6, addrs=addrs)
# Return if there are no transactions
if len(utxo) == 0: return
for txo in utxo:
sum += float(txo['amount'])/COIN
transaction = {}
transaction['txid'] = b2lx(txo['outpoint'].hash)
transaction['vout'] = txo['outpoint'].n
transactions.append(transaction)
transaction['scriptPubKey'] = hexlify(txo['scriptPubKey'])
transactions_with_key.append(transaction)
# Need to calculate transaction fee
transaction_fee = 0.0001
addresses = {}
addresses[EXCHANGE_BITCOIN_ADDRESS] = sum - transaction_fee
# Pickup the private key from the database, hardcoded for now
PRIVATE_KEY = manager_c.get('bitcoin_keypairs', SENDER_ADDRESS)['priv_key']
private_keys = []
private_keys.append(PRIVATE_KEY)
try:
raw_tx = rpc.createrawtransaction(
transactions,
addresses)
signed_transaction = rpc.signrawtransaction(
raw_tx,
transactions_with_key,
private_keys)
except:
raise
return
if not signed_transaction['complete'] or not signed_transaction:
raise 'Transaction signing unsuccessful'
return
else:
txid = rpc.sendrawtransaction(signed_transaction['tx'])
print 'Sent %s from %s to %s' % (addresses[EXCHANGE_BITCOIN_ADDRESS], SENDER_ADDRESS, PRIVATE_KEY)
lxtxid = b2lx(txid)
print lxtxid
# Update the the users space in hyperdex, add 'sum' bitcoin to the
# user's balance keyed on email-id.
x = webserver_c.begin_transaction()
#x.put('users', email, {'Bitcoin': x.get('users', email)['Bitcoin'] + addresses[EXCHANGE_BITCOIN_ADDRESS]})
x.atomic_add('users', email, {'Bitcoin': addresses[EXCHANGE_BITCOIN_ADDRESS]})
x.commit()
def send(rpc,transaction):
signed = rpc.signrawtransaction(transaction)
txid = rpc.sendrawtransaction(signed['tx'])
print(txid)
tx.vin[-1].scriptSig = r['tx'].vin[-1].scriptSig
r = rpc.signrawtransaction(tx)
assert(r['complete'])
tx = r['tx']
logging.debug('Payment tx %s' % b2x(tx.serialize()))
logging.info('Payment tx size: %.3f KB, fees: %s, %s BTC/KB' % \
(len(tx.serialize()) / 1000,
str_money_value(value_in-value_out),
str_money_value((value_in-value_out) / len(tx.serialize()) * 1000)))
if not args.dryrun:
txid = rpc.sendrawtransaction(tx)
logging.info('Sent payment tx: %s' % b2lx(txid))
if not args.dryrun:
logging.info('Sleeping for %d seconds' % args.delay)
time.sleep(args.delay)
# Double-spend! Remove all but the change output
tx.vout = tx.vout[0:1]
change_txout = tx.vout[0]
value_out = value_in
change_txout.nValue = value_out
# FIXME: need to modularize this code
while (value_in - value_out) / len(tx.serialize()) < feeperbyte2:
add_privkey(CBitcoinSecret.from_secret_bytes(secret, False))
add_privkey(CBitcoinSecret.from_secret_bytes(secret, True))
logging.info('Added %d known passphrases' % n)
known_txids = set()
while True:
mempool_txids = set(rpc.getrawmempool())
new_txids = mempool_txids.difference(known_txids)
known_txids.update(mempool_txids)
burn_txs = []
for new_txid in new_txids:
try:
new_tx = rpc.getrawtransaction(new_txid)
except IndexError:
continue
burn_txs.extend(scan_tx_for_spendable_outputs(new_tx, new_txid))
for burn_tx in burn_txs:
try:
txid = rpc.sendrawtransaction(burn_tx)
logging.info('Sent burn tx %s' % b2lx(txid))
except bitcoin.rpc.JSONRPCException as err:
logging.info('Got error %s while sending %s' % (err, b2x(burn_tx.serialize())))
logging.info('Sleeping %f seconds' % args.delay)
time.sleep(args.delay)
value_in += new_amount
change_txout.nValue += new_amount
value_out += new_amount
tx.vin.append(new_txin)
# re-sign the tx so we can figure out how large the new input's scriptSig will be.
r = rpc.signrawtransaction(tx)
assert (r['complete'])
tx.vin[-1].scriptSig = r['tx'].vin[-1].scriptSig
logging.debug('New size: %.3f KB, New fees: %s, %s BTC/KB' % \
(len(tx.serialize()) / 1000,
str_money_value(value_in-value_out),
str_money_value((value_in-value_out) / len(tx.serialize()) * 1000)))
r = rpc.signrawtransaction(tx)
assert (r['complete'])
tx = r['tx']
if args.dryrun:
print(b2x(tx.serialize()))
else:
logging.debug('Sending tx %s' % b2x(tx.serialize()))
txid = rpc.sendrawtransaction(tx)
print(b2lx(txid))
except IndexError:
continue
# The scriptSigs might not sign vout, in which case we can replace the
# whole thing with OP_RETURN.
if not (len(new_tx.vout) == 1
and new_tx.vout[0].nValue == 0
and new_tx.vout[0].scriptPubKey == CScript([OP_RETURN])):
to_fees_tx = CTransaction(new_tx.vin,
[CTxOut(0, CScript([OP_RETURN]))],
nLockTime=new_tx.nLockTime,
nVersion=new_tx.nVersion)
try:
to_fees_txid = rpc.sendrawtransaction(to_fees_tx, True)
logging.info('Replaced tx %s with all-to-fees %s' % (b2lx(new_txid), b2lx(to_fees_txid)))
except bitcoin.rpc.JSONRPCException as exp:
# Couldn't replace; try spending individual outputs instead.
burn_txs.extend(scan_tx_for_spendable_outputs(new_tx, new_txid))
for burn_tx in burn_txs:
try:
txid = rpc.sendrawtransaction(burn_tx, True)
logging.info('Sent burn tx %s' % b2lx(txid))
except bitcoin.rpc.JSONRPCException as err:
logging.info('Got error %s while sending %s' % (err, b2x(burn_tx.serialize())))
logging.debug('Sleeping %f seconds' % args.delay)
time.sleep(args.delay)
new_tx = rpc.getrawtransaction(new_txid)
except IndexError:
continue
# The scriptSigs might not sign vout, in which case we can replace the
# whole thing with OP_RETURN.
if not (len(new_tx.vout) == 1 and new_tx.vout[0].nValue == 0
and new_tx.vout[0].scriptPubKey == CScript([OP_RETURN])):
to_fees_tx = CTransaction(new_tx.vin,
[CTxOut(0, CScript([OP_RETURN]))],
nLockTime=new_tx.nLockTime,
nVersion=new_tx.nVersion)
try:
to_fees_txid = rpc.sendrawtransaction(to_fees_tx, True)
logging.info('Replaced tx %s with all-to-fees %s' %
(b2lx(new_txid), b2lx(to_fees_txid)))
except bitcoin.rpc.JSONRPCException as exp:
# Couldn't replace; try spending individual outputs instead.
burn_txs.extend(scan_tx_for_spendable_outputs(
new_tx, new_txid))
for burn_tx in burn_txs:
try:
txid = rpc.sendrawtransaction(burn_tx, True)
logging.info('Sent burn tx %s' % b2lx(txid))
except bitcoin.rpc.JSONRPCException as err:
logging.info('Got error %s while sending %s' %
(err, b2x(burn_tx.serialize())))
