def test_sendToDataPubKey(self):
"Test the sendToDataPubKey function"
with DummyTransaction():
tx = bitcoinutils.sendToDataPubKey(
self.bitcoind, "Hello", "changeHash", 3)
self.assertEqual(len(tx.trace), 2)
#Constructor, with tx_in and tx_out:
self.assertEqual(tx.trace[0][0], "__init__")
self.assertEqual(tx.trace[0][1], tuple())
self.assertEqual(len(tx.trace[0][2]), 2)
self.assertEqual(len(tx.trace[0][2]["tx_in"]), 1)
self.assertEqual(len(tx.trace[0][2]["tx_out"]), 2)
tx_in = tx.trace[0][2]["tx_in"][0]
self.assertEqual(tx_in.trace,
[('__init__', ('foo_tx', 3), {})])
tx_out = tx.trace[0][2]["tx_out"][0]
self.assertEqual(len(tx_out.trace), 1)
self.assertEqual(tx_out.trace[0][0], "__init__")
self.assertEqual(len(tx_out.trace[0][1]), 2)
self.assertEqual(tx_out.trace[0][1][0], 0)
script = tx_out.trace[0][1][1]
self.assertEqual(script.elements,
(OP.RETURN, "Hello"))
tx_out = tx.trace[0][2]["tx_out"][1]
self.assertEqual(len(tx_out.trace), 1)
self.assertEqual(tx_out.trace[0][0], "__init__")
self.assertEqual(len(tx_out.trace[0][1]), 2)
self.assertEqual(tx_out.trace[0][1][0], 7)
script = tx_out.trace[0][1][1]
self.assertEqual(script.elements,
(OP.DUP, OP.HASH160, "changeHash", OP.EQUALVERIFY, OP.CHECKSIG))
#Transaction signing:
self.assertEqual(tx.trace[1][0], "signInput")
self.assertEqual(len(tx.trace[1][1]), 4)
self.assertEqual(tx.trace[1][1][0], 0)
scriptPubKey = tx.trace[1][1][1]
self.assertEqual(scriptPubKey.serialize(), "foo_pub")
key = crypto.Key()
key.setPrivateKey("foo")
self.assertEqual(tx.trace[1][1][2], [None, key.getPublicKey()])
self.assertEqual(len(tx.trace[1][1][3]), 1)
self.assertEqual(tx.trace[1][1][3][0].getPrivateKey(), key.getPrivateKey())
def test_sendToDataPubKey(self):
"Test the sendToDataPubKey function"
with DummyTransaction():
tx = bitcoinutils.sendToDataPubKey(self.bitcoind, "Hello",
"changeHash", 3)
self.assertEqual(len(tx.trace), 2)
#Constructor, with tx_in and tx_out:
self.assertEqual(tx.trace[0][0], "__init__")
self.assertEqual(tx.trace[0][1], tuple())
self.assertEqual(len(tx.trace[0][2]), 2)
self.assertEqual(len(tx.trace[0][2]["tx_in"]), 1)
self.assertEqual(len(tx.trace[0][2]["tx_out"]), 2)
tx_in = tx.trace[0][2]["tx_in"][0]
self.assertEqual(tx_in.trace, [('__init__', ('foo_tx', 3), {})])
tx_out = tx.trace[0][2]["tx_out"][0]
self.assertEqual(len(tx_out.trace), 1)
self.assertEqual(tx_out.trace[0][0], "__init__")
self.assertEqual(len(tx_out.trace[0][1]), 2)
self.assertEqual(tx_out.trace[0][1][0], 0)
script = tx_out.trace[0][1][1]
self.assertEqual(script.elements, (OP.RETURN, "Hello"))
tx_out = tx.trace[0][2]["tx_out"][1]
self.assertEqual(len(tx_out.trace), 1)
self.assertEqual(tx_out.trace[0][0], "__init__")
self.assertEqual(len(tx_out.trace[0][1]), 2)
self.assertEqual(tx_out.trace[0][1][0], 7)
script = tx_out.trace[0][1][1]
self.assertEqual(script.elements,
(OP.DUP, OP.HASH160, "changeHash", OP.EQUALVERIFY,
OP.CHECKSIG))
#Transaction signing:
self.assertEqual(tx.trace[1][0], "signInput")
self.assertEqual(len(tx.trace[1][1]), 4)
self.assertEqual(tx.trace[1][1][0], 0)
scriptPubKey = tx.trace[1][1][1]
self.assertEqual(scriptPubKey.serialize(), "foo_pub")
key = crypto.Key()
key.setPrivateKey("foo")
self.assertEqual(tx.trace[1][1][2], [None, key.getPublicKey()])
self.assertEqual(len(tx.trace[1][1][3]), 1)
self.assertEqual(tx.trace[1][1][3][0].getPrivateKey(),
key.getPrivateKey())
def make(args):
if len(args) != 2:
help(["make"])
sys.exit(1)
with open(args[0], "rb") as f:
data = f.read()
dataHash = crypto.SHA256(crypto.SHA256(data))
print "Data hash: ", dataHash.encode("hex")
fee = 10000 #0.1 mBTC = 0.0001 BTC
connect()
changeAddress = bitcoind.getNewAddress()
changeHash = base58.decodeBase58Check(changeAddress, 0) # PUBKEY_ADDRESS = 0
tx = bitcoinutils.sendToDataPubKey(bitcoind, dataHash, changeHash, fee)
txID = tx.getTransactionID()[::-1].encode("hex")
print "Transaction ID: ", txID
bitcoind.sendRawTransaction(tx.serialize())
print "Transaction is published. Now we wait for 3 confirmations..."
confirmations = -1
while confirmations < 3:
time.sleep(5)
try:
newConfirmations = bitcoind.getTransaction(txID)["confirmations"]
except KeyError:
newConfirmations = 0
if newConfirmations != confirmations:
print " %d confirmations" % newConfirmations
confirmations = newConfirmations
height = bitcoind.getBlockCount()
for i in range(1000):
transactionsInBlock = bitcoind.getTransactionHashesByBlockHeight(height)
if txID in transactionsInBlock:
break
height -= 1
if txID not in transactionsInBlock:
raise Exception(
"Something went wrong: transaction ID not found in the last 1000 blocks")
print "Block height: ", height
index = transactionsInBlock.index(txID)
transactionsInBlock = [binascii.unhexlify(x)[::-1] for x in transactionsInBlock]
merkleBranch, merkleRoot = getMerkleBranch(transactionsInBlock, index)
blockInfo = bitcoind.getBlockInfoByBlockHeight(height)
if blockInfo["merkleroot"] != merkleRoot[::-1].encode("hex"):
raise Exception("Something went wrong: merkle root value mismatch")
dt = datetime.utcfromtimestamp(blockInfo["time"])
timeText = dt.strftime("%A %B %d %I:%M:%S %p %Y (UTC)")
with open(args[1], "wb") as f:
f.write("#Timestamp certificate for the file %s\n\n" % args[0])
f.write("#Double-SHA256 of the file contents:\n")
f.write("dataHash = %s\n\n" % dataHash.encode("hex"))
f.write("#The timestamping transaction, containing the above hash:\n")
f.write("transaction = %s\n\n" % tx.serialize().encode("hex"))
f.write("#The double-SHA256 of the timestamping transaction:\n")
f.write("#(This is the same as the transaction ID, with the byte order reversed)\n")
f.write("transactionHash = %s\n\n" % tx.getTransactionID().encode("hex"))
f.write("#The Merkle-branch of the timestamping transaction:\n")
for i in range(len(merkleBranch)):
left, right = merkleBranch[i]
f.write("merkle_%d = %s, %s\n" % (i, left.encode("hex"), right.encode("hex")))
f.write("\n")
f.write("#The Merkle root of the block:\n")
f.write("#(byte order is the reverse as typically shown in Bitcoin)\n")
f.write("merkleRoot = %s\n\n" % merkleRoot.encode("hex"))
f.write("#The block information:\n")
f.write("blockHeight = %d\n" % height)
f.write("blockHash = %s\n" % blockInfo["hash"])
f.write("blockTime = %d\n\n" % blockInfo["time"])
f.write("#The timestamp:\n")
f.write("timestamp = %s\n" % timeText)
def make(args):
if len(args) != 2:
help(["make"])
sys.exit(1)
with open(args[0], "rb") as f:
data = f.read()
dataHash = crypto.SHA256(crypto.SHA256(data))
print "Data hash: ", dataHash.encode("hex")
fee = 10000 #0.1 mBTC = 0.0001 BTC
connect()
changeAddress = bitcoind.getNewAddress()
changeHash = base58.decodeBase58Check(changeAddress,
0) # PUBKEY_ADDRESS = 0
tx = bitcoinutils.sendToDataPubKey(bitcoind, dataHash, changeHash, fee)
txID = tx.getTransactionID()[::-1].encode("hex")
print "Transaction ID: ", txID
bitcoind.sendRawTransaction(tx.serialize())
print "Transaction is published. Now we wait for 3 confirmations..."
confirmations = -1
while confirmations < 3:
time.sleep(5)
try:
newConfirmations = bitcoind.getTransaction(txID)["confirmations"]
except KeyError:
newConfirmations = 0
if newConfirmations != confirmations:
print " %d confirmations" % newConfirmations
confirmations = newConfirmations
height = bitcoind.getBlockCount()
for i in range(1000):
transactionsInBlock = bitcoind.getTransactionHashesByBlockHeight(
height)
if txID in transactionsInBlock:
break
height -= 1
if txID not in transactionsInBlock:
raise Exception(
"Something went wrong: transaction ID not found in the last 1000 blocks"
)
print "Block height: ", height
index = transactionsInBlock.index(txID)
transactionsInBlock = [
binascii.unhexlify(x)[::-1] for x in transactionsInBlock
]
merkleBranch, merkleRoot = getMerkleBranch(transactionsInBlock, index)
blockInfo = bitcoind.getBlockInfoByBlockHeight(height)
if blockInfo["merkleroot"] != merkleRoot[::-1].encode("hex"):
raise Exception("Something went wrong: merkle root value mismatch")
dt = datetime.utcfromtimestamp(blockInfo["time"])
timeText = dt.strftime("%A %B %d %I:%M:%S %p %Y (UTC)")
with open(args[1], "wb") as f:
f.write("#Timestamp certificate for the file %s\n\n" % args[0])
f.write("#Double-SHA256 of the file contents:\n")
f.write("dataHash = %s\n\n" % dataHash.encode("hex"))
f.write("#The timestamping transaction, containing the above hash:\n")
f.write("transaction = %s\n\n" % tx.serialize().encode("hex"))
f.write("#The double-SHA256 of the timestamping transaction:\n")
f.write(
"#(This is the same as the transaction ID, with the byte order reversed)\n"
)
f.write("transactionHash = %s\n\n" %
tx.getTransactionID().encode("hex"))
f.write("#The Merkle-branch of the timestamping transaction:\n")
for i in range(len(merkleBranch)):
left, right = merkleBranch[i]
f.write("merkle_%d = %s, %s\n" %
(i, left.encode("hex"), right.encode("hex")))
f.write("\n")
f.write("#The Merkle root of the block:\n")
f.write("#(byte order is the reverse as typically shown in Bitcoin)\n")
f.write("merkleRoot = %s\n\n" % merkleRoot.encode("hex"))
f.write("#The block information:\n")
f.write("blockHeight = %d\n" % height)
f.write("blockHash = %s\n" % blockInfo["hash"])
f.write("blockTime = %d\n\n" % blockInfo["time"])
f.write("#The timestamp:\n")
f.write("timestamp = %s\n" % timeText)