def recv_tx(self, ec, tx, node):
if ec:
print "Error with new transaction:", ec
return
tx_hash = bitcoin.hash_transaction(tx)
self.memory_buffer.receive(tx, bind(self.store_tx, _1, tx_hash))
# Re-subscribe to new transactions from node
node.subscribe_transaction(bind(self.recv_tx, _1, _2, node))
def recv_tx(self, ec, tx, node):
if ec:
print "Error with new transaction:", ec
return
tx_hash = bitcoin.hash_transaction(tx)
self.memory_buffer.receive(tx, bind(self.store_tx, _1, tx_hash))
# Re-subscribe to new transactions from node
node.subscribe_transaction(bind(self.recv_tx, _1, _2, node))
def _tx_validated(self, ec, missing_inputs, tx):
if ec:
print >> sys.stderr, "Error validating tx:", str(ec)
return
tx_hash = bitcoin.hash_transaction(tx).encode("hex")
print "Accepted transaction:", tx_hash
# missing_inputs are the inputs for this transaction which
# depend on an output from another unconfirmed transaction
# which we have in the memory pool (and have validated ourselves).
self._tx_subscribe.relay(ec, tx, missing_inputs)
def _tx_validated(self, ec, missing_inputs, tx):
if ec:
print >> sys.stderr, "Error validating tx:", str(ec)
return
tx_hash = bitcoin.hash_transaction(tx).encode("hex")
print "Accepted transaction:", tx_hash
# missing_inputs are the inputs for this transaction which
# depend on an output from another unconfirmed transaction
# which we have in the memory pool (and have validated ourselves).
self._tx_subscribe.relay(ec, tx, missing_inputs)
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 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 new_unconfirm_valid_tx(self, node, tx, unconfirmed, ec):
self.report("(fullnode.valid_tx)", ec, tx, unconfirmed)
tx_hash = hash_transaction(tx)
if ec:
self.report("Error", ec)
else:
self.report("Accepted transaction")
self.report(unconfirmed.__class__)
if not unconfirmed.empty():
self.report("Unconfirmed")
for idx in unconfirmed:
self.report(' ', idx)
self.report(tx_hash)
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 broadcast_transaction(self, request):
raw_tx = bitcoin.data_chunk(str(request["params"][0]))
exporter = bitcoin.satoshi_exporter()
try:
tx = exporter.load_transaction(raw_tx)
except RuntimeError:
response = {"id": request["id"], "result": None,
"error": {"message":
"Exception while parsing the transaction data.",
"code": -4}}
else:
self.backend.protocol.broadcast_transaction(tx)
tx_hash = str(bitcoin.hash_transaction(tx))
response = {"id": request["id"], "result": tx_hash, "error": None}
self.push_response(response)
def broadcast_transaction(self, request):
raw_tx = bitcoin.data_chunk(str(request["params"][0]))
exporter = bitcoin.satoshi_exporter()
try:
tx = exporter.load_transaction(raw_tx)
except RuntimeError:
response = {
"id": request["id"],
"result": None,
"error": {
"message": "Exception while parsing the transaction data.",
"code": -4,
}
}
else:
self.backend.protocol.broadcast_transaction(tx)
tx_hash = str(bitcoin.hash_transaction(tx))
response = {"id": request["id"], "result": tx_hash, "error": None}
self.push_response(response)
import bitcoin raw_tx_repr = "010000000187493c4c15c76df9f69ddd7aeb7ffbcddad4b7a979210f19602282d5b9862581000000008a47304402202d9e9f75be9c8a4c4304931b032e1de83fd2c6af2c1154a3d2b885efd5c3bfda02201184139215fb74499eae9c71ae86354c41b4d20b95a6b1fffcb8f1c5f051288101410497d11f5c33adb7c3fed0adc637358279de04f72851b7b93fb4a8655613729047c7e2908966551b5fb7f6899f6c3dd358b57eb20a61b2c9909aa106eac6310f9fffffffff0140420f00000000001976a91407e761706c63b36e5a328fab1d94e9397f40704d88b000000000" raw_tx = bitcoin.data_chunk(raw_tx_repr) print raw_tx print len(raw_tx) ex = bitcoin.satoshi_exporter() tx = ex.load_transaction(raw_tx) print "txhash", bitcoin.hash_transaction(tx) print tx print ex.save_transaction(tx) print len(ex.save_transaction(tx)) assert str(ex.save_transaction(tx)) == raw_tx_repr print 'blk' blk = bitcoin.genesis_block() print bitcoin.hash_block_header(blk) rawblk = ex.save_block(blk) blk2 = ex.load_block(rawblk) print bitcoin.hash_block_header(blk2) print bitcoin.hash_transaction(blk.transactions[0]) print bitcoin.hash_transaction(blk2.transactions[0]) assert str(ex.save_block(blk2)) == str(rawblk) getblocks = bitcoin.get_blocks() getblocks.start_hashes.append(bitcoin.hash_block_header(blk)) getblocks.start_hashes.append(bitcoin.hash_transaction(blk.transactions[0])) getblocks.hash_stop = bitcoin.null_hash rawgb = ex.save_get_blocks(getblocks) gb2 = ex.load_get_blocks(rawgb)
vers.nonce = 42
channel.send_version(vers, handle_send)
chan = channel
channel.subscribe_version(read_version_reply)
print 'connect'
d = bitcoin.data_chunk("001212")
print d
h = bitcoin.hash_digest("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f")
print h
if h == "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f":
print 'Yes'
print len(h)
tx = bitcoin.transaction()
print bitcoin.hash_transaction(tx)
netaddr = bitcoin.network_address()
print netaddr.ip
s = bitcoin.script()
o = bitcoin.operation()
o.code = bitcoin.opcode.special
s.push_operation(o)
o.code = bitcoin.opcode.nop
o.data = bitcoin.data_chunk("deadbeef")
s.push_operation(o)
o = bitcoin.operation()
o.code = bitcoin.opcode.hash160
s.push_operation(o)
print s
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()
info["height"] = None
info["block_hash"] = "mempool"
self.finish_if_done()
def payment_history(chain, txpool, membuf, address, handle_finish):
h = History(chain, txpool, membuf)
expiry_queue.add(h)
h.start(address, handle_finish)
if __name__ == "__main__":
ex = bitcoin.satoshi_exporter()
tx_a = bitcoin.data_chunk("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")
tx_a = ex.load_transaction(tx_a)
assert bitcoin.hash_transaction(tx_a) == "e72e4f025695446cfd5c5349d1720beb38801f329a00281f350cb7e847153397"
tx_b = bitcoin.data_chunk("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")
tx_b = ex.load_transaction(tx_b)
assert bitcoin.hash_transaction(tx_b) == "acfda6dbf4ae1b102326bfb7c9541702d5ebb0339bc57bd74d36746855be8eac"
def blockchain_started(ec, chain):
print "Blockchain initialisation:", ec
def store_tx(ec):
print "Tx", ec
def finish(result):
print "Finish"
if result is None:
return
for line in result:
import bitcoin tx = bitcoin.genesis_block().transactions[0] bitcoin.hash_transaction(tx)
def payment_history(chain, txpool, membuf, address, handle_finish):
h = History(chain, txpool, membuf)
expiry_queue.add(h)
h.start(address, handle_finish)
if __name__ == "__main__":
ex = bitcoin.satoshi_exporter()
tx_a = bitcoin.data_chunk(
"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"
)
tx_a = ex.load_transaction(tx_a)
assert bitcoin.hash_transaction(
tx_a
) == "e72e4f025695446cfd5c5349d1720beb38801f329a00281f350cb7e847153397"
tx_b = bitcoin.data_chunk(
"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"
)
tx_b = ex.load_transaction(tx_b)
assert bitcoin.hash_transaction(
tx_b
) == "acfda6dbf4ae1b102326bfb7c9541702d5ebb0339bc57bd74d36746855be8eac"
def blockchain_started(ec, chain):
print "Blockchain initialisation:", ec
def store_tx(ec):
print "Tx", ec
