def run_remote_peer(peer, txs, in_db_count, delay):
# this peer will immediately advertise the ten transactions
# But when they are requested, it will only send one,
# and "notfound" eight.
yield from asyncio.sleep(delay)
tx_db = dict((tx.hash(), tx) for tx in txs[:in_db_count])
r = []
inv_items = [InvItem(ITEM_TYPE_TX, tx.hash()) for tx in txs]
peer.send_msg("inv", items=inv_items)
next_message = peer.new_get_next_message_f()
while True:
t = yield from next_message()
r.append(t)
if t[0] == 'getdata':
found = []
not_found = []
yield from asyncio.sleep(0.1)
for inv_item in t[1]["items"]:
if inv_item.data in tx_db:
found.append(tx_db[inv_item.data])
else:
not_found.append(inv_item)
if not_found:
if len(not_found) == 9:
not_found = not_found[:8]
peer.send_msg("notfound", items=not_found)
for tx in found:
peer.send_msg("tx", tx=tx)
return r
def run_client(peer_list, tx_list):
tx_store = {}
inv_collector = InvCollector()
tx_handler = TxHandler(inv_collector, tx_store)
for tx in tx_list:
tx_handler.add_tx(tx)
for peer in peer_list:
inv_collector.add_peer(peer)
tx_handler.add_peer(peer)
while len(tx_store) < 20:
yield from asyncio.sleep(0.1)
return tx_store
def run_client(peer_list, tx_list):
tx_store = {}
inv_collector = InvCollector()
tx_handler = TxHandler(inv_collector, tx_store)
for tx in tx_list:
tx_handler.add_tx(tx)
for peer in peer_list:
inv_collector.add_peer(peer)
tx_handler.add_peer(peer)
while len(tx_store) < 20:
yield from asyncio.sleep(0.1)
return tx_store
def run_client(peer_list, block_list):
block_chain = BlockChain()
block_store = {}
inv_collector = InvCollector()
block_handler = BlockHandler(inv_collector, block_chain, block_store)
for peer in peer_list:
inv_collector.add_peer(peer)
block_handler.add_peer(peer)
for block in block_list:
inv_collector.advertise_item(InvItem(ITEM_TYPE_BLOCK, block.hash()))
block_store[block.hash()] = block
while len(block_store) < 2:
yield from asyncio.sleep(0.1)
return block_store
def run_client(peer_list, block_list):
block_chain = BlockChain()
block_store = {}
inv_collector = InvCollector()
block_handler = BlockHandler(inv_collector, block_chain, block_store)
for peer in peer_list:
inv_collector.add_peer(peer)
block_handler.add_peer(peer)
for block in block_list:
inv_collector.advertise_item(InvItem(ITEM_TYPE_BLOCK,
block.hash()))
block_store[block.hash()] = block
while len(block_store) < 2:
yield from asyncio.sleep(0.1)
return block_store
def run_local_peer(peer_list):
inv_collector = InvCollector()
for peer in peer_list:
inv_collector.add_peer(peer)
r = []
inv_item_q = inv_collector.new_inv_item_queue()
while len(r) < 5:
yield from asyncio.sleep(0.1)
inv_item = yield from inv_item_q.get()
try:
v = yield from asyncio.wait_for(inv_collector.fetch(inv_item), timeout=0.5)
if v:
r.append(v)
except asyncio.TimeoutError:
pass
return r
def run_local_peer(peer_list, r):
inv_collector = InvCollector()
for peer in peer_list:
inv_collector.add_peer(peer)
inv_item_q = inv_collector.new_inv_item_queue()
@asyncio.coroutine
def _do_fetch(inv_collector, inv_item, r):
v = yield from inv_collector.fetch(inv_item, peer_timeout=3.0)
if v:
r.append(v)
# keep a strong reference to these tasks
tasks = []
for i in range(10):
inv_item = yield from inv_item_q.get()
tasks.append(asyncio.Task(_do_fetch(inv_collector, inv_item, r)))
while len(r) < 10:
yield from asyncio.sleep(0.1)
return r