def create_txprobe(input1, input2, n):
"""Creates several kinds of transactions:
PARENT[i]:
spends input1
creates output p[i]
ORPHAN[i]:
spends input2, and p[i]
creates output o[i] for recovery.
FLOOD:
spends input1, blocks parent[i]
"""
PARENTS = []
ORPHANS = []
for i in range(n):
tx_parent = Transaction()
tx_parent.vin = [input1]
_tx_parent_out, tx_parent_in = txpair_from_p2sh(nValue=0.008 * COIN)
tx_parent.append_txout(_tx_parent_out)
tx_parent.finalize()
PARENTS.append(tx_parent)
tx_orphan = Transaction()
tx_orphan.vin = [input2, tx_parent_in]
_tx_orphan_out, tx_orphan_in = txpair_from_p2sh(nValue=0.005 * COIN)
tx_orphan.append_txout(_tx_orphan_out)
tx_orphan.finalize()
ORPHANS.append(tx_orphan)
FLOOD = Transaction()
FLOOD.vin = [input1]
_flood_out, tx_flood_in = txpair_from_p2sh(nValue=0.008 * COIN)
FLOOD.append_txout(_flood_out)
FLOOD.finalize()
return PARENTS, ORPHANS, FLOOD
def create_txprobe(input1, input2, n):
"""Creates several kinds of transactions:
PARENT[i]:
spends input1
creates output p[i]
ORPHAN[i]:
spends input2, and p[i]
creates output o[i] for recovery.
FLOOD:
spends input1, blocks parent[i]
"""
PARENTS = []
ORPHANS = []
for i in range(n):
tx_parent = Transaction()
tx_parent.vin = [input1]
_tx_parent_out,tx_parent_in = txpair_from_p2sh(nValue=0.008*COIN)
tx_parent.append_txout(_tx_parent_out)
tx_parent.finalize()
PARENTS.append(tx_parent)
tx_orphan = Transaction()
tx_orphan.vin = [input2, tx_parent_in]
_tx_orphan_out,tx_orphan_in = txpair_from_p2sh(nValue=0.005*COIN)
tx_orphan.append_txout(_tx_orphan_out)
tx_orphan.finalize()
ORPHANS.append(tx_orphan)
FLOOD = Transaction()
FLOOD.vin = [input1]
_flood_out,tx_flood_in = txpair_from_p2sh(nValue=0.008*COIN)
FLOOD.append_txout(_flood_out)
FLOOD.finalize()
return PARENTS, ORPHANS, FLOOD
def make_experiment2(path='./experiment2_payload.dat'):
import time
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM, 0)
#socket.create_connection
sock.connect("/tmp/bitcoin_control")
# Reset all the connections
print 'Resetting connections'
n = 79
cmsg = command_msg(commands.COMMAND_DISCONNECT, 0, [targets.BROADCAST])
ser = cmsg.serialize()
do_send(sock, ser)
for i in range(1, n + 1):
msg = connect_msg('127.0.0.1', 8332 + i, '0.0.0.0', 0)
ser = msg.serialize()
do_send(sock, ser)
print 'Connecting'
time.sleep(2)
nodes = list(get_cxns())
print 'Nodes:', nodes
import math
sn = int(math.ceil(math.sqrt(n)))
sched = schedule(range(n))
print 'sqrt(n):', sn
print 'schedule:', len(sched)
# 1. Create a setup transaction with enough inputs for 2 boosters per trial
tx_setup = Transaction()
tx_setup.vin = [get_txin_second()]
tx_setup_ins = []
for _ in sched:
for _ in range(2):
_out, _in = txpair_from_p2sh(nValue=0.01 * COIN)
tx_setup.append_txout(_out)
tx_setup_ins.append(_in)
tx_setup.finalize()
# 1a. Add tx_setup to a block
block = make_block()
block.vtx.append(tx_setup._ctx)
block.hashMerkleRoot = block.calc_merkle_root()
PAYLOADS = []
for i, (tgt, tst) in enumerate(sched):
PARENTS, ORPHANS, FLOOD = create_txprobe(tx_setup_ins[2 * i + 0],
tx_setup_ins[2 * i + 1],
len(tgt))
PAYLOADS.append((PARENTS, ORPHANS, FLOOD))
return nodes, block, PAYLOADS
def make_experiment2(path='./experiment2_payload.dat'):
import time
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM, 0)
#socket.create_connection
sock.connect("/tmp/bitcoin_control")
# Reset all the connections
print 'Resetting connections'
n = 79
cmsg = command_msg(commands.COMMAND_DISCONNECT, 0, [targets.BROADCAST])
ser = cmsg.serialize()
do_send(sock, ser)
for i in range(1,n+1):
msg = connect_msg('127.0.0.1', 8332+i, '0.0.0.0', 0)
ser = msg.serialize()
do_send(sock, ser)
print 'Connecting'
time.sleep(2)
nodes = list(get_cxns())
print 'Nodes:', nodes
import math
sn = int(math.ceil(math.sqrt(n)))
sched = schedule(range(n))
print 'sqrt(n):', sn
print 'schedule:', len(sched)
# 1. Create a setup transaction with enough inputs for 2 boosters per trial
tx_setup = Transaction()
tx_setup.vin = [get_txin_second()]
tx_setup_ins = []
for _ in sched:
for _ in range(2):
_out,_in = txpair_from_p2sh(nValue=0.01*COIN)
tx_setup.append_txout(_out)
tx_setup_ins.append(_in)
tx_setup.finalize()
# 1a. Add tx_setup to a block
block = make_block()
block.vtx.append(tx_setup._ctx)
block.hashMerkleRoot = block.calc_merkle_root()
PAYLOADS = []
for i,(tgt,tst) in enumerate(sched):
PARENTS, ORPHANS, FLOOD = create_txprobe(tx_setup_ins[2*i+0], tx_setup_ins[2*i+1], len(tgt))
PAYLOADS.append((PARENTS, ORPHANS, FLOOD))
return nodes, block, PAYLOADS