def blockchain_started(ec, chain, address):
if ec:
print >> sys.stderr, str(ec)
print "Blockchain started"
addr = bitcoin.payment_address(address)
bitcoin.fetch_history(chain, addr,
lambda ec, outs, ins: fetched(ec, outs, ins, chain))
def blockchain_started(ec, chain, address):
if ec:
print >> sys.stderr, str(ec)
return
print "Blockchain started"
payaddr = bitcoin.payment_address()
if not payaddr.set_encoded(address):
print >> sys.stderr, "Invalid Bitcoin address"
chain.fetch_outputs(payaddr, lambda ec, outpoints: outputs_fetched(ec, outpoints, chain))
def load_input_tx(self, tx, output_index, info, input_index):
# For our input, we load the previous tx so we can get the
# corresponding output.
# We need the output to extract the address.
script = tx.outputs[output_index].output_script
address = bitcoin.payment_address()
if address.extract(script):
info["inputs"][input_index] = address.encoded()
else:
info["inputs"][input_index] = "Unknown"
def start(self, address, handle_finish):
self.statement = []
self.membuf_result = None
self.address = address
self.handle_finish = handle_finish
address = bitcoin.payment_address(address)
# To begin we fetch all the outputs (payments in)
# associated with this address
self.chain.fetch_outputs(address, bind(self.check_membuf, _1, _2))
def load_input_tx(self, tx, output_index, info, input_index):
# For our input, we load the previous tx so we can get the
# corresponding output.
# We need the output to extract the address.
script = tx.outputs[output_index].output_script
address = bitcoin.payment_address()
if address.extract(script):
info["inputs"][input_index] = address.encoded()
else:
info["inputs"][input_index] = "Unknown"
def start(self, address, handle_finish):
self.statement = []
self.membuf_result = None
self.address = address
self.handle_finish = handle_finish
address = bitcoin.payment_address(address)
# To begin we fetch all the outputs (payments in)
# associated with this address
self.chain.fetch_outputs(address, bind(self.check_membuf, _1, _2))
def main(bcaddr):
address = bitcoin.payment_address()
if not address.set_encoded(bcaddr):
print >> sys.stderr, "Invalid Bitcoin address"
return -1
dbconn = psycopg2.connect("host='localhost' dbname='bccache' user='******' password='******'")
cursor = dbconn.cursor()
cursor.execute("INSERT INTO queue (address) VALUES (%s)", (bcaddr,))
dbconn.commit()
return 0
def _process(self, addr):
print "Processing address:", addr
payaddr = bitcoin.payment_address()
if not payaddr.set_encoded(addr):
print >> sys.stderr, "Ignoring invalid Bitcoin address:", addr
print >> sys.stderr, "Reason:", str(ec)
return
bitcoin.fetch_history(self._chain, payaddr,
lambda ec, outpoints, inpoints: \
self._history_fetched(ec, outpoints, inpoints,
addr, self._latest_blk_hash))
def main(bcaddr):
address = bitcoin.payment_address()
if not address.set_encoded(bcaddr):
print >> sys.stderr, "Invalid Bitcoin address"
return -1
dbconn = psycopg2.connect(
"host='localhost' dbname='bccache' user='******' password='******'")
cursor = dbconn.cursor()
cursor.execute("INSERT INTO queue (address) VALUES (%s)", (bcaddr, ))
dbconn.commit()
return 0
def _process(self, addr):
print "Processing address:", addr
payaddr = bitcoin.payment_address()
if not payaddr.set_encoded(addr):
print >> sys.stderr, "Ignoring invalid Bitcoin address:", addr
print >> sys.stderr, "Reason:", str(ec)
return
bitcoin.fetch_history(self._chain, payaddr,
lambda ec, outpoints, inpoints: \
self._history_fetched(ec, outpoints, inpoints,
addr, self._latest_blk_hash))
def recv_tx(self, tx, handle_store):
tx_hash = str(bitcoin.hash_transaction(tx))
desc = (tx_hash, [], [])
for input in tx.inputs:
prevout = input.previous_output
desc[1].append((str(prevout.hash), prevout.index))
for idx, output in enumerate(tx.outputs):
address = bitcoin.payment_address()
if address.extract(output.output_script):
desc[2].append((idx, str(address)))
self.txpool.store(tx, bind(self.confirmed, _1, desc),
bind(self.mempool_stored, _1, desc, handle_store))
def recv_tx(self, tx, handle_store):
tx_hash = str(bitcoin.hash_transaction(tx))
desc = (tx_hash, [], [])
for input in tx.inputs:
prevout = input.previous_output
desc[1].append((str(prevout.hash), prevout.index))
for idx, output in enumerate(tx.outputs):
address = bitcoin.payment_address()
if address.extract(output.output_script):
desc[2].append((idx, str(address)))
self.txpool.store(tx,
bind(self.confirmed, _1, desc),
bind(self.mempool_stored, _1, desc, handle_store))
def unpack(self, tx):
tx_hash = bitcoin.hash_transaction(tx)
previous_outputs = []
for input in tx.inputs:
prevout = input.previous_output
prevout = "%s:%s" % (prevout.hash, prevout.index)
previous_outputs.append(prevout)
addrs = []
for output_index, output in enumerate(tx.outputs):
address = bitcoin.payment_address()
if address.extract(output.output_script):
addrs.append((output_index, str(address)))
return tx_hash, previous_outputs, addrs
def unpack(self, tx):
tx_hash = bitcoin.hash_transaction(tx)
previous_outputs = []
for input in tx.inputs:
prevout = input.previous_output
prevout = "%s:%s" % (prevout.hash, prevout.index)
previous_outputs.append(prevout)
addrs = []
for output_index, output in enumerate(tx.outputs):
address = bitcoin.payment_address()
if address.extract(output.output_script):
addrs.append((output_index, str(address)))
return tx_hash, previous_outputs, addrs
def test_methods(chain):
print chain.fetch_block_header(110)
print chain.fetch_block_header("00000000a30e366158a1813a6fda9f913497000a68f1c008b9f935b866cee55b".decode("hex"))
print chain.fetch_block_transaction_hashes("00000000a30e366158a1813a6fda9f913497000a68f1c008b9f935b866cee55b".decode("hex"))
print chain.fetch_block_transaction_hashes(110)
print chain.fetch_block_depth("00000000a30e366158a1813a6fda9f913497000a68f1c008b9f935b866cee55b".decode("hex"))
print chain.fetch_last_depth()
print chain.fetch_transaction("abde5e83fc1973fd042c56c8cb41b6c739f3e50678d1fa2f99f0a409e4aa80c7".decode("hex"))
print chain.fetch_transaction_index("abde5e83fc1973fd042c56c8cb41b6c739f3e50678d1fa2f99f0a409e4aa80c7".decode("hex"))
addr = bitcoin.payment_address("1Afgoy1AoSMW5U7pgiMEDM98dpuLbTFNy1")
ec, outs = chain.fetch_outputs(addr)
print (ec, outs)
print chain.fetch_spend(outs[0])
ec, outs, ins = chain.fetch_history(addr)
print (ec, outs, ins)
ec, values = chain.fetch_output_values(outs)
print (ec, values)
print sum(values)
def load_tx(self, tx, info):
# List of output addresses
outputs = []
for tx_out in tx.outputs:
address = bitcoin.payment_address()
# Attempt to extract address from output script
if address.extract(tx_out.output_script):
outputs.append(address.encoded())
else:
# ... otherwise append "Unknown"
outputs.append("Unknown")
info["outputs"] = outputs
# For the inputs, we need the originator address which has to
# be looked up in the blockchain.
# Create list of Nones and then populate it.
# Loading has finished when list is no longer all None.
info["inputs"] = [None for i in tx.inputs]
# If this transaction was loaded for an input, then we already
# have a source address for at least one input.
if info["is_input"] == 1:
info["inputs"][info["index"]] = self.address
def load_tx(self, tx, info):
# List of output addresses
outputs = []
for tx_out in tx.outputs:
address = bitcoin.payment_address()
# Attempt to extract address from output script
if address.extract(tx_out.output_script):
outputs.append(address.encoded())
else:
# ... otherwise append "Unknown"
outputs.append("Unknown")
info["outputs"] = outputs
# For the inputs, we need the originator address which has to
# be looked up in the blockchain.
# Create list of Nones and then populate it.
# Loading has finished when list is no longer all None.
info["inputs"] = [None for i in tx.inputs]
# If this transaction was loaded for an input, then we already
# have a source address for at least one input.
if info["is_input"] == 1:
info["inputs"][info["index"]] = self.address
def _check(self, tx, confirmed):
tx_hash = bitcoin.hash_transaction(tx)
for i, input in enumerate(tx.inputs):
prevout = input.previous_output
# If output exists, this will set the spend for it
self._cursor.execute("""
UPDATE history
SET
spend_point_hash=decode(%s, 'hex'),
spend_point_index=%s,
confirmed_debit=%s
WHERE
output_point_hash=decode(%s, 'hex') AND
output_point_index=%s
""", (tx_hash, i, prevout.hash, prevout.index, confirmed))
self._cursor.execute("""
UPDATE queue
SET last_update_time=now()
WHERE
address=(
SELECT address
FROM history
WHERE
output_point_hash=decode(%s, 'hex') AND
output_point_index=%s
)
""")
for i, output in enumerate(tx.outputs):
payaddr = bitcoin.payment_address()
if not bitcoin.extract(payaddr, output.output_script):
continue
addr = payaddr.encoded()
# If payment exists, then this will update it to be confirmed.
if confirmed:
self._cursor.execute("""
UPDATE history
SET confirmed_credit=true
WHERE
output_point_hash=%s AND
output_point_index=%s
""", (tx_hash, i))
# If payment doesn't exist, this will insert a new row.
self._cursor.execute("""
INSERT INTO history (
address,
output_point_hash,
output_point_index,
value,
confirmed_credit
) SELECT
%s, decode(%s, 'hex'), %s, %s, %s
WHERE NOT EXISTS (
SELECT 1 FROM history
WHERE
output_point_hash=%s AND
output_point_index=%s
)
""", (addr, tx_hash, i, output.value, confirmed, tx_hash, i))
self._cursor.execute("""
UPDATE queue
SET last_update_time=now()
WHERE address=%s
""", (addr,))
self._dbconn.commit()
def _check(self, tx, confirmed):
tx_hash = bitcoin.hash_transaction(tx)
for i, input in enumerate(tx.inputs):
prevout = input.previous_output
# If output exists, this will set the spend for it
self._cursor.execute(
"""
UPDATE history
SET
spend_point_hash=decode(%s, 'hex'),
spend_point_index=%s,
confirmed_debit=%s
WHERE
output_point_hash=decode(%s, 'hex') AND
output_point_index=%s
""", (tx_hash, i, prevout.hash, prevout.index, confirmed))
self._cursor.execute("""
UPDATE queue
SET last_update_time=now()
WHERE
address=(
SELECT address
FROM history
WHERE
output_point_hash=decode(%s, 'hex') AND
output_point_index=%s
)
""")
for i, output in enumerate(tx.outputs):
payaddr = bitcoin.payment_address()
if not bitcoin.extract(payaddr, output.output_script):
continue
addr = payaddr.encoded()
# If payment exists, then this will update it to be confirmed.
if confirmed:
self._cursor.execute(
"""
UPDATE history
SET confirmed_credit=true
WHERE
output_point_hash=%s AND
output_point_index=%s
""", (tx_hash, i))
# If payment doesn't exist, this will insert a new row.
self._cursor.execute(
"""
INSERT INTO history (
address,
output_point_hash,
output_point_index,
value,
confirmed_credit
) SELECT
%s, decode(%s, 'hex'), %s, %s, %s
WHERE NOT EXISTS (
SELECT 1 FROM history
WHERE
output_point_hash=%s AND
output_point_index=%s
)
""", (addr, tx_hash, i, output.value, confirmed, tx_hash, i))
self._cursor.execute(
"""
UPDATE queue
SET last_update_time=now()
WHERE address=%s
""", (addr, ))
self._dbconn.commit()
