def GenesisBlock():
"""
Create the GenesisBlock.
Returns:
BLock:
"""
prev_hash = UInt256(data=bytearray(32))
timestamp = int(
datetime(2016, 7, 15, 15, 8, 21, tzinfo=pytz.utc).timestamp())
index = 0
consensus_data = 2083236893 # 向比特币致敬 ( Pay Tribute To Bitcoin )
next_consensus = Blockchain.GetConsensusAddress(
Blockchain.StandbyValidators())
script = Witness(bytearray(0), bytearray(PUSHT))
mt = MinerTransaction()
mt.Nonce = 2083236893
output = TransactionOutput(
Blockchain.SystemShare().Hash,
Blockchain.SystemShare().Amount,
Crypto.ToScriptHash(
Contract.CreateMultiSigRedeemScript(
int(len(Blockchain.StandbyValidators()) / 2) + 1,
Blockchain.StandbyValidators())))
it = IssueTransaction([], [output], [], [script])
return Block(
prev_hash, timestamp, index, consensus_data, next_consensus,
script,
[mt, Blockchain.SystemShare(),
Blockchain.SystemCoin(), it], True)
def GenesisBlock():
"""
Create the GenesisBlock.
Returns:
BLock:
"""
prev_hash = UInt256(data=bytearray(32))
timestamp = int(datetime(2016, 7, 15, 15, 8, 21, tzinfo=pytz.utc).timestamp())
index = 0
consensus_data = 2083236893 # 向比特币致敬 ( Pay Tribute To Bitcoin )
next_consensus = Blockchain.GetConsensusAddress(Blockchain.StandbyValidators())
script = Witness(bytearray(0), bytearray(PUSHT))
mt = MinerTransaction()
mt.Nonce = 2083236893
output = TransactionOutput(
Blockchain.SystemShare().Hash,
Blockchain.SystemShare().Amount,
Crypto.ToScriptHash(Contract.CreateMultiSigRedeemScript(int(len(Blockchain.StandbyValidators()) / 2) + 1,
Blockchain.StandbyValidators()))
)
it = IssueTransaction([], [output], [], [script])
return Block(prev_hash, timestamp, index, consensus_data,
next_consensus, script,
[mt, Blockchain.SystemShare(), Blockchain.SystemCoin(), it],
True)
def test_issue_tx(self):
miner_tx = MinerTransaction()
miner_tx.Nonce = 2083236893
share_tx = GetSystemShare()
coin_tx = GetSystemCoin()
script = Contract.CreateMultiSigRedeemScript(int(len(Blockchain.StandbyValidators()) / 2) + 1, Blockchain.StandbyValidators())
if Settings.MAGIC == 1953787457:
self.assertEqual(script, self.contractraw)
out = Crypto.ToScriptHash(script)
output = TransactionOutput(
share_tx.Hash,
Blockchain.SystemShare().Amount,
out
)
script = Witness( bytearray(0), bytearray(PUSHT))
issue_tx = IssueTransaction([],[output],[], [script])
self.assertEqual(issue_tx.GetHashData(), self.issuetx_rraw)
self.assertEqual(issue_tx.Hash.ToBytes(), self.gen_issue_tx_id)
def test_issue_tx(self):
miner_tx = MinerTransaction()
miner_tx.Nonce = 2083236893
share_tx = GetSystemShare()
coin_tx = GetSystemCoin()
script = Contract.CreateMultiSigRedeemScript(int(len(Blockchain.StandbyValidators()) / 2) + 1, Blockchain.StandbyValidators())
if settings.MAGIC == 1953787457:
self.assertEqual(script, self.contractraw)
out = Crypto.ToScriptHash(script)
output = TransactionOutput(
share_tx.Hash,
Blockchain.SystemShare().Amount,
out
)
script = Witness(bytearray(0), bytearray(PUSHT))
issue_tx = IssueTransaction([], [output], [], [script])
self.assertEqual(issue_tx.GetHashData(), self.issuetx_rraw)
self.assertEqual(issue_tx.Hash.ToBytes(), self.gen_issue_tx_id)
def test_relay(self):
leader = NodeLeader.Instance()
def mock_call_later(delay, method, *args):
method(*args)
def mock_connect_tcp(host, port, factory, timeout=120):
node = NeoNode()
node.endpoint = Endpoint(host, port)
leader.AddConnectedPeer(node)
return node
def mock_send_msg(node, message):
return True
with patch('twisted.internet.reactor.connectTCP', mock_connect_tcp):
with patch('twisted.internet.reactor.callLater', mock_call_later):
with patch('neo.Network.NeoNode.NeoNode.SendSerializedMessage',
mock_send_msg):
leader.Start()
miner = MinerTransaction()
res = leader.Relay(miner)
self.assertFalse(res)
tx = self._generate_tx()
res = leader.Relay(tx)
self.assertEqual(res, True)
self.assertTrue(tx.Hash.ToBytes() in leader.MemPool.keys())
res2 = leader.Relay(tx)
self.assertFalse(res2)
def DeserializeFrom(reader):
ttype = reader.ReadByte()
tx = None
from neo.Core.TX.RegisterTransaction import RegisterTransaction
from neo.Core.TX.IssueTransaction import IssueTransaction
from neo.Core.TX.ClaimTransaction import ClaimTransaction
from neo.Core.TX.MinerTransaction import MinerTransaction
if ttype == int.from_bytes(TransactionType.RegisterTransaction,
'little'):
tx = RegisterTransaction()
elif ttype == int.from_bytes(TransactionType.MinerTransaction,
'little'):
tx = MinerTransaction()
elif ttype == int.from_bytes(TransactionType.IssueTransaction,
'little'):
tx = IssueTransaction()
elif ttype == int.from_bytes(TransactionType.ClaimTransaction,
'little'):
tx = ClaimTransaction()
tx.DeserializeUnsignedWithoutType(reader)
try:
witness = Witness()
witness.Deserialize(reader)
tx.scripts = [witness]
except Exception as e:
pass
tx.OnDeserialized()
return tx
def DeserializeFrom(reader):
"""
Deserialize full object.
Args:
reader (neo.IO.BinaryReader):
Returns:
Transaction:
"""
ttype = reader.ReadByte()
tx = None
from neo.Core.TX.RegisterTransaction import RegisterTransaction
from neo.Core.TX.IssueTransaction import IssueTransaction
from neo.Core.TX.ClaimTransaction import ClaimTransaction
from neo.Core.TX.MinerTransaction import MinerTransaction
from neo.Core.TX.PublishTransaction import PublishTransaction
from neo.Core.TX.InvocationTransaction import InvocationTransaction
from neo.Core.TX.EnrollmentTransaction import EnrollmentTransaction
from neo.Core.TX.StateTransaction import StateTransaction
if ttype == int.from_bytes(TransactionType.RegisterTransaction, 'little'):
tx = RegisterTransaction()
elif ttype == int.from_bytes(TransactionType.MinerTransaction, 'little'):
tx = MinerTransaction()
elif ttype == int.from_bytes(TransactionType.IssueTransaction, 'little'):
tx = IssueTransaction()
elif ttype == int.from_bytes(TransactionType.ClaimTransaction, 'little'):
tx = ClaimTransaction()
elif ttype == int.from_bytes(TransactionType.PublishTransaction, 'little'):
tx = PublishTransaction()
elif ttype == int.from_bytes(TransactionType.InvocationTransaction, 'little'):
tx = InvocationTransaction()
elif ttype == int.from_bytes(TransactionType.EnrollmentTransaction, 'little'):
tx = EnrollmentTransaction()
elif ttype == int.from_bytes(TransactionType.StateTransaction, 'little'):
tx = StateTransaction()
else:
tx = Transaction()
tx.Type = ttype
tx.DeserializeUnsignedWithoutType(reader)
tx.scripts = []
byt = reader.ReadVarInt()
if byt > 0:
for i in range(0, byt):
witness = Witness()
witness.Deserialize(reader)
tx.scripts.append(witness)
tx.OnDeserialized()
return tx
def test_inventory_received(self):
leader = NodeLeader.Instance()
miner = MinerTransaction()
miner.Nonce = 1234
res = leader.InventoryReceived(miner)
self.assertFalse(res)
block = Blockchain.Default().GenesisBlock()
res2 = leader.InventoryReceived(block)
self.assertFalse(res2)
tx = self._generate_tx()
res = leader.InventoryReceived(tx)
self.assertIsNone(res)
def test_inventory_received(self):
leader = NodeLeader.Instance()
miner = MinerTransaction()
miner.Nonce = 1234
res = leader.InventoryReceived(miner)
self.assertFalse(res)
block = Blockchain.Default().GenesisBlock()
res2 = leader.InventoryReceived(block)
self.assertFalse(res2)
tx = self._generate_tx()
res = leader.InventoryReceived(tx)
self.assertIsNone(res)
def test_miner_tx(self):
miner_tx = MinerTransaction()
miner_tx.Nonce = 2083236893
self.assertEqual(miner_tx.Hash.ToBytes(), self.gen_miner_tx_id)
def test_miner_tx(self):
miner_tx = MinerTransaction()
miner_tx.Nonce = 2083236893
self.assertEqual(miner_tx.Hash.ToBytes(), self.gen_miner_tx_id)
def test_check_miner_tx_size(self):
""" see original test here
https://github.com/neo-project/neo/blob/5ce0e4c3192cdcce700105030ed03197961e0466/neo.UnitTests/UT_MinerTransaction.cs#L39-L48
"""
m_tx = MinerTransaction()
self.assertEqual(m_tx.Size(), 10)