+import threading
+import time
+
import bitcoin
from bitcoin import bind, _1, _2, _3
+
from processor import Processor
-import threading
-import time
+import history1 as history
+import membuf
-import history
class HistoryCache:
def clear(self, addresses):
with self.lock:
for address in addresses:
- if self.cache.has_key(address):
+ if address in self.cache:
del self.cache[address]
+
class MonitorAddress:
- def __init__(self, processor, cache):
+ def __init__(self, processor, cache, backend):
self.processor = processor
self.cache = cache
+ self.backend = backend
self.lock = threading.Lock()
# key is hash:index, value is address
self.monitor_output = {}
# key is address
self.monitor_address = set()
- # affected
- self.affected = {}
+
+ backend.memory_buffer.set_handles(self.tx_stored, self.tx_confirmed)
def monitor(self, address, result):
for info in result:
- if not info.has_key("raw_output_script"):
+ if "raw_output_script" not in info:
continue
assert info["is_input"] == 0
tx_hash = info["tx_hash"]
with self.lock:
self.monitor_address.add(address)
- def tx_stored(self, tx_desc):
- tx_hash, prevouts, addrs = tx_desc
+ 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 effect_notify(self, tx, delete_outs):
affected_addrs = set()
- for prevout_hash, prevout_index in prevouts:
- prevout = "%s:%s" % (prevout_hash, prevout_index)
- with self.lock:
- if self.monitor_output.has_key(prevout):
+ tx_hash, previous_outputs, addrs = self.unpack(tx)
+ for prevout in previous_outputs:
+ try:
+ with self.lock:
affected_addrs.add(self.monitor_output[prevout])
+ if delete_outs:
+ del self.monitor_output[prevout]
+ except KeyError:
+ pass
for idx, address in addrs:
with self.lock:
if address in self.monitor_address:
affected_addrs.add(address)
- with self.lock:
- self.affected[tx_hash] = affected_addrs
self.cache.clear(affected_addrs)
self.notify(affected_addrs)
+ # Used in confirmed txs
+ return tx_hash, addrs, affected_addrs
- def tx_confirmed(self, tx_desc):
- tx_hash, prevouts, addrs = tx_desc
- with self.lock:
- affected_addrs = self.affected[tx_hash]
- del self.affected[tx_hash]
- self.cache.clear(affected_addrs)
- self.notify(affected_addrs)
+ def tx_stored(self, tx):
+ self.effect_notify(tx, False)
+
+ def tx_confirmed(self, tx):
+ tx_hash, addrs, affected_addrs = self.effect_notify(tx, True)
# add new outputs to monitor
for idx, address in addrs:
outpoint = "%s:%s" % (tx_hash, idx)
- with self.lock:
- if address in affected_addrs:
+ if address in affected_addrs:
+ with self.lock:
self.monitor_output[outpoint] = address
- # delete spent outpoints
- for prevout_hash, prevout_index in prevouts:
- prevout = "%s:%s" % (prevout_hash, prevout_index)
- with self.lock:
- if self.monitor_output.has_key(prevout):
- del self.monitor_output[prevout]
def notify(self, affected_addrs):
- templ_response = {"id": None,
- "method": "blockchain.address.subscribe",
- "params": []}
+ service = self.backend.mempool_service
chain = self.backend.blockchain
txpool = self.backend.transaction_pool
- membuf = self.backend.pool_buffer
+ memory_buff = self.backend.memory_buffer
for address in affected_addrs:
- response = templ_response.copy()
- response["params"].append(address)
- history.payment_history(chain, txpool, membuf, address,
- bind(self.send_notify, _1, response))
+ response = {"id": None,
+ "method": "blockchain.address.subscribe",
+ "params": [str(address)]}
+ history.payment_history(service, chain, txpool, memory_buff, address,
+ bind(self.send_notify, _1, _2, response))
def mempool_n(self, result):
assert result is not None
last_id = last_info["block_hash"]
return last_id
- def send_notify(self, result, response):
+ def send_notify(self, ec, result, response):
+ if ec:
+ print "Error: Monitor.send_notify()", ec
+ return
+ assert len(response["params"]) == 1
response["params"].append(self.mempool_n(result))
self.processor.push_response(response)
+
class Backend:
- def __init__(self, monitor):
+ def __init__(self):
# Create 3 thread-pools each with 1 thread
self.network_service = bitcoin.async_service(1)
self.disk_service = bitcoin.async_service(1)
db_prefix = "/home/genjix/libbitcoin/database"
self.blockchain = bitcoin.bdb_blockchain(self.disk_service, db_prefix,
self.blockchain_started)
- self.poller = bitcoin.poller(self.blockchain)
+ self.poller = bitcoin.poller(self.mempool_service, self.blockchain)
self.transaction_pool = \
bitcoin.transaction_pool(self.mempool_service, self.blockchain)
self.poller, self.transaction_pool)
self.session.start(self.handle_start)
- self.pool_buffer = \
- history.MemoryPoolBuffer(self.transaction_pool,
- self.blockchain, monitor)
+ self.memory_buffer = \
+ membuf.memory_buffer(self.mempool_service.internal_ptr,
+ self.blockchain.internal_ptr,
+ self.transaction_pool.internal_ptr)
def handle_start(self, ec):
if ec:
print "Error with new transaction:", ec
return
tx_hash = bitcoin.hash_transaction(tx)
- self.pool_buffer.recv_tx(tx, bind(self.store_tx, _1, tx_hash))
+ 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))
else:
print "Accepted transaction", tx_hash
+
class GhostValue:
def __init__(self):
self.value = value
self.event.set()
+
class NumblocksSubscribe:
def __init__(self, backend, processor):
latest = fork_point + len(arrivals)
self.latest.set(latest)
response = {"id": None, "method": "blockchain.numblocks.subscribe",
- "result": latest}
+ "params": [latest]}
self.processor.push_response(response)
self.backend.blockchain.subscribe_reorganize(self.reorganize)
def subscribe(self, request):
latest = self.latest.get()
response = {"id": request["id"],
- "method": "blockchain.numblocks.subscribe",
"result": latest,
"error": None}
self.processor.push_response(response)
+
class AddressGetHistory:
def __init__(self, backend, processor):
def get(self, request):
address = str(request["params"][0])
+ service = self.backend.mempool_service
chain = self.backend.blockchain
txpool = self.backend.transaction_pool
- membuf = self.backend.pool_buffer
- history.payment_history(chain, txpool, membuf, address,
- bind(self.respond, _1, request))
+ memory_buff = self.backend.memory_buffer
+ history.payment_history(service, chain, txpool, memory_buff, address,
+ bind(self.respond, _1, _2, request))
- def respond(self, result, request):
- if result is None:
+ def respond(self, ec, result, request):
+ if ec:
response = {"id": request["id"], "result": None,
- "error": {"message": "Error", "code": -4}}
+ "error": {"message": str(ec), "code": -4}}
else:
response = {"id": request["id"], "result": result, "error": None}
self.processor.push_response(response)
+
class AddressSubscribe:
def __init__(self, backend, processor, cache, monitor):
self.cache = cache
self.monitor = monitor
- self.backend.pool_buffer.cheat = self
-
def subscribe(self, request):
address = str(request["params"][0])
+ service = self.backend.mempool_service
chain = self.backend.blockchain
txpool = self.backend.transaction_pool
- membuf = self.backend.pool_buffer
- history.payment_history(chain, txpool, membuf, address,
- bind(self.construct, _1, request))
+ memory_buff = self.backend.memory_buffer
+ history.payment_history(service, chain, txpool, memory_buff, address,
+ bind(self.construct, _1, _2, request))
- def construct(self, result, request):
- if result is None:
+ def construct(self, ec, result, request):
+ if ec:
response = {"id": request["id"], "result": None,
- "error": {"message": "Error", "code": -4}}
+ "error": {"message": str(ec), "code": -4}}
+ self.processor.push_response(response)
return
last_id = self.monitor.mempool_n(result)
response = {"id": request["id"], "result": last_id, "error": None}
self.processor.push_response(response)
return True
+
class BlockchainProcessor(Processor):
def __init__(self, config):
Processor.__init__(self)
cache = HistoryCache()
- monitor = MonitorAddress(self, cache)
- self.backend = Backend(monitor)
- monitor.backend = self.backend
+ self.backend = Backend()
+ monitor = MonitorAddress(self, cache, self.backend)
self.numblocks_subscribe = NumblocksSubscribe(self.backend, self)
self.address_get_history = AddressGetHistory(self.backend, self)
self.address_subscribe = \
self.broadcast_transaction(request)
def broadcast_transaction(self, request):
- raw_tx = bitcoin.data_chunk(str(request["params"]))
+ 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}}
+ 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 run(self):
- print "Warning: pre-alpha prototype. Full of bugs."
- while not self.shared.stopped():
- time.sleep(1)
-
git://git.novaco.in / electrum-server.git / blobdiff