def FiftyTest(
rpc: RPC
) -> None:
file: IO[Any] = open("PythonTests/Vectors/Transactions/Fifty.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Create and execute a Liver/Syncer.
Liver(rpc, vectors["blockchain"], Transactions.fromJSON(vectors["transactions"])).live()
Syncer(rpc, vectors["blockchain"], Transactions.fromJSON(vectors["transactions"])).sync()
def HundredTwoTest(
rpc: RPC
) -> None:
file: IO[Any] = open("PythonTests/Vectors/Consensus/Verification/HundredTwo.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Transactions.
transactions: Transactions = Transactions.fromJSON(vectors["transactions"])
#Verifies the Transaction is added, it has the right holders, the holders Merit surpasses the threshold, yet it isn't verified.
def verify() -> None:
for tx in transactions.txs:
status: Dict[str, Any] = rpc.call("consensus", "getStatus", [tx.hex()])
if set(status["verifiers"]) != set([0, 1]):
raise TestError("Meros doesn't have the right list of verifiers for this Transaction.")
if status["merit"] != 80:
raise TestError("Meros doesn't have the right amount of Merit for this Transaction.")
if rpc.call("merit", "getMerit", [0])["merit"] + rpc.call("merit", "getMerit", [1])["merit"] < status["threshold"]:
raise TestError("Merit sum of holders is less than the threshold.")
if status["verified"]:
raise TestError("Meros verified the Transaction which won't have enough Merit by the time the Transaction finalizes.")
#Create and execute a Liver.
Liver(rpc, vectors["blockchain"], transactions, callbacks={100: verify}).live()
def VCompetingTest(rpc: RPC) -> None:
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/Verification/Competing.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Blockchain.
blockchain: Blockchain = Blockchain.fromJSON(
b"MEROS_DEVELOPER_NETWORK", 60,
int(
"FAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
16), vectors["blockchain"])
#Consensus.
consensus: Consensus = Consensus.fromJSON(
bytes.fromhex(
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
),
bytes.fromhex(
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
), vectors["consensus"])
#Transactions.
transactions: Transactions = Transactions.fromJSON(vectors["transactions"])
#Create and execute a Liver/Syncer.
Liver(rpc, blockchain, consensus, transactions).live()
Syncer(rpc, blockchain, consensus, transactions).sync()
def InvalidCompetingTest(
rpc: RPC
) -> None:
file: IO[Any] = open("PythonTests/Vectors/Consensus/MeritRemoval/InvalidCompeting.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
keys: Dict[bytes, int] = {
bytes.fromhex(vectors["blockchain"][0]["header"]["miner"]): 0
}
#Transactions.
transactions: Transactions = Transactions.fromJSON(vectors["transactions"])
#MeritRemoval.
#pylint: disable=no-member
removal: SignedMeritRemoval = SignedMeritRemoval.fromSignedJSON(keys, vectors["removal"])
#Create and execute a Liver to handle the MeritRemoval.
def sendMeritRemoval() -> None:
#Send and verify the MeritRemoval.
removalBytes: bytes = rpc.meros.signedElement(removal)
done: bool = False
while True:
try:
msg: bytes = rpc.meros.recv()
except TestError:
raise TestError("Node disconnected us.")
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.syncingAcknowledged()
elif MessageType(msg[0]) == MessageType.TransactionRequest:
rpc.meros.transaction(transactions.txs[msg[1 : 33]])
elif MessageType(msg[0]) == MessageType.SyncingOver:
if done:
break
done = True
if removalBytes != rpc.meros.recv():
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 11, 11, removal.holder, True)
Liver(
rpc,
vectors["blockchain"],
transactions,
callbacks={
11: sendMeritRemoval,
12: lambda: verifyMeritRemoval(rpc, 11, 11, removal.holder, False)
}
).live()
#Create and execute a Syncer to handle the MeritRemoval.
Syncer(rpc, vectors["blockchain"], transactions).sync()
verifyMeritRemoval(rpc, 11, 11, removal.holder, False)
def InvalidCompetingTest(rpc: RPC) -> None:
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/MeritRemoval/InvalidCompeting.json",
"r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Transactions.
transactions: Transactions = Transactions.fromJSON(vectors["transactions"])
#MeritRemoval.
#pylint: disable=no-member
removal: SignedMeritRemoval = SignedMeritRemoval.fromSignedJSON(
vectors["removal"])
#Create and execute a Liver to handle the MeritRemoval.
def sendMeritRemoval() -> None:
#Send and verify the MeritRemoval.
removalBytes: bytes = rpc.meros.signedElement(removal)
sent: int = 0
while True:
if sent == 2:
break
msg: bytes = rpc.meros.sync.recv()
if MessageType(msg[0]) == MessageType.TransactionRequest:
rpc.meros.syncTransaction(transactions.txs[msg[1:33]])
sent += 1
else:
raise TestError("Unexpected message sent: " +
msg.hex().upper())
if removalBytes != rpc.meros.live.recv():
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 1, 1, removal.holder, True)
#Verify the MeritRemoval and the Blockchain.
def verify() -> None:
verifyMeritRemoval(rpc, 1, 1, removal.holder, False)
verifyBlockchain(rpc, Blockchain.fromJSON(vectors["blockchain"]))
raise SuccessError(
"MeritRemoval and Blockchain were properly handled.")
Liver(rpc,
vectors["blockchain"],
transactions,
callbacks={
1: sendMeritRemoval,
2: verify
}).live()
def HundredFortySevenTest(
rpc: RPC
) -> None:
file: IO[Any] = open("PythonTests/Vectors/Transactions/ClaimedMint.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Merit.
merit: Merit = Merit.fromJSON(vectors["blockchain"])
#Transactions.
transactions: Transactions = Transactions.fromJSON(vectors["transactions"])
#Ed25519 keys.
privKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
pubKey: ed25519.VerifyingKey = privKey.get_verifying_key()
#Grab the Claim hash,
claim: bytes = merit.blockchain.blocks[-1].body.packets[0].hash
#Create a Send which underflows.
send: Send = Send(
[(claim, 0)],
[
(pubKey.to_bytes(), 18446744073709551231),
(pubKey.to_bytes(), 385 + Claim.fromTransaction(transactions.txs[claim]).amount)
]
)
send.sign(privKey)
send.beat(SpamFilter(3))
#Custom function to send the last Block and verify it errors at the right place.
def checkFail() -> None:
#Send the Send.
rpc.meros.liveTransaction(send)
#Handle sync requests.
while True:
#Try receiving from the Live socket, where Meros sends keep-alives.
try:
if len(rpc.meros.live.recv()) != 0:
raise Exception()
except TestError:
raise SuccessError("Node disconnected us after we sent an invalid Transaction.")
except Exception:
raise TestError("Meros sent a keep-alive.")
#Create and execute a Liver.
Liver(rpc, vectors["blockchain"], transactions, callbacks={12: checkFail}).live()
def HundredFortyTwoTest(rpc: RPC) -> None:
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/Verification/HundredFortyTwo.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Transactions.
transactions: Transactions = Transactions.fromJSON(vectors["transactions"])
#Function to verify the Transaction includes unarchived Merit before finalization.
def verifyUnarchivedMerit() -> None:
#Send the verification which won't be archived.
if rpc.meros.signedElement(
SignedVerification.fromSignedJSON(
vectors["verification"])) != rpc.meros.live.recv():
raise TestError("Meros didn't send back the SignedVerification.")
status: Dict[str, Any] = rpc.call("consensus", "getStatus",
[vectors["transaction"]])
if sorted(status["verifiers"]) != [0, 1]:
raise TestError(
"Status didn't include verifiers which have yet to be archived."
)
if status["merit"] != 7:
raise TestError(
"Status didn't include Merit which has yet to be archived.")
#Function to verify the Transaction doesn't include unarchived Merit after finalization.
def verifyArchivedMerit() -> None:
status: Dict[str, Any] = rpc.call("consensus", "getStatus",
[vectors["transaction"]])
if status["verifiers"] != [0]:
raise TestError(
"Status included verifiers which were never archived.")
if status["merit"] != 1:
raise TestError("Status included Merit which was never archived.")
#Create and execute a Liver.
Liver(rpc,
vectors["blockchain"],
transactions,
callbacks={
7: verifyUnarchivedMerit,
8: verifyArchivedMerit
}).live()
def HundredThirtyFiveTest(rpc: RPC) -> None:
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/MeritRemoval/HundredThirtyFive.json",
"r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Datas.
datas: List[Data] = [
Data.fromJSON(vectors["datas"][0]),
Data.fromJSON(vectors["datas"][1]),
Data.fromJSON(vectors["datas"][2])
]
#Transactions.
transactions: Transactions = Transactions()
for data in datas:
transactions.add(data)
#First MeritRemoval.
mr: SignedMeritRemoval = SignedMeritRemoval.fromSignedJSON(
vectors["removal"])
def sendMeritRemoval() -> None:
#Send the Datas.
for data in datas:
if rpc.meros.liveTransaction(data) != rpc.meros.live.recv():
raise TestError("Meros didn't send us the Data.")
#Send and verify the original MeritRemoval.
if rpc.meros.signedElement(mr) != rpc.meros.live.recv():
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 1, 1, mr.holder, True)
Liver(rpc,
vectors["blockchain"],
transactions,
callbacks={
1: sendMeritRemoval
}).live()
#Ed25519 lib.
import ed25519
#Blake2b standard function.
from hashlib import blake2b
#JSON standard lib.
import json
#Blank Blocks.
bbFile: IO[Any] = open("PythonTests/Vectors/Merit/BlankBlocks.json", "r")
blankBlocks: List[Dict[str, Any]] = json.loads(bbFile.read())
bbFile.close()
#Transactions.
transactions: Transactions = Transactions()
#Merit.
merit: Merit = Merit()
#SpamFilter.
dataFilter: SpamFilter = SpamFilter(bytes.fromhex("CC" * 32))
#Ed25519 keys.
edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key()
#BLS keys.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Add 5 Blank Blocks.
def SameInputTest(rpc: RPC) -> None:
file: IO[Any] = open("PythonTests/Vectors/Transactions/SameInput.json",
"r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Merit.
merit: Merit = Merit.fromJSON(vectors["blockchain"])
#Transactions.
transactions: Transactions = Transactions.fromJSON(vectors["transactions"])
#Custom function to send the last Block and verify it errors at the right place.
def checkFail() -> None:
#This Block should cause the node to disconnect us AFTER it syncs our Transaction.
syncedTX: bool = False
#Grab the Block.
block: Block = merit.blockchain.blocks[13]
#Send the Block.
rpc.meros.liveBlockHeader(block.header)
#Handle sync requests.
reqHash: bytes = bytes()
while True:
if syncedTX:
#Try receiving from the Live socket, where Meros sends keep-alives.
try:
if len(rpc.meros.live.recv()) != 0:
raise Exception()
except TestError:
raise SuccessError(
"Node disconnected us after we sent an invalid Transaction."
)
except Exception:
raise TestError("Meros sent a keep-alive.")
msg: bytes = rpc.meros.sync.recv()
if MessageType(msg[0]) == MessageType.BlockBodyRequest:
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for a Block Body that didn't belong to the Block we just sent it."
)
#Send the BlockBody.
rpc.meros.blockBody(block)
elif MessageType(msg[0]) == MessageType.SketchHashesRequest:
if not block.body.packets:
raise TestError(
"Meros asked for Sketch Hashes from a Block without any."
)
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for Sketch Hashes that didn't belong to the Block we just sent it."
)
#Create the haashes.
hashes: List[int] = []
for packet in block.body.packets:
hashes.append(Sketch.hash(block.header.sketchSalt, packet))
#Send the Sketch Hashes.
rpc.meros.sketchHashes(hashes)
elif MessageType(msg[0]) == MessageType.SketchHashRequests:
if not block.body.packets:
raise TestError(
"Meros asked for Verification Packets from a Block without any."
)
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for Verification Packets that didn't belong to the Block we just sent it."
)
#Create a lookup of hash to packets.
packets: Dict[int, VerificationPacket] = {}
for packet in block.body.packets:
packets[Sketch.hash(block.header.sketchSalt,
packet)] = packet
#Look up each requested packet and respond accordingly.
for h in range(int.from_bytes(msg[33:37], byteorder="big")):
sketchHash: int = int.from_bytes(msg[37 + (h * 8):45 +
(h * 8)],
byteorder="big")
if sketchHash not in packets:
raise TestError(
"Meros asked for a non-existent Sketch Hash.")
rpc.meros.packet(packets[sketchHash])
elif MessageType(msg[0]) == MessageType.TransactionRequest:
reqHash = msg[1:33]
if reqHash not in transactions.txs:
raise TestError(
"Meros asked for a non-existent Transaction.")
rpc.meros.syncTransaction(transactions.txs[reqHash])
syncedTX = True
else:
raise TestError("Unexpected message sent: " +
msg.hex().upper())
#Create and execute a Liver.
Liver(rpc, vectors["blockchain"], transactions, callbacks={
12: checkFail
}).live()
def VerifyCompetingTest(rpc: RPC) -> None:
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/MeritRemoval/VerifyCompeting.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
keys: Dict[bytes, int] = {
bytes.fromhex(vectors["blockchain"][0]["header"]["miner"]): 0
}
nicks: List[bytes] = [
bytes.fromhex(vectors["blockchain"][0]["header"]["miner"])
]
#Datas.
datas: List[Data] = [
Data.fromJSON(vectors["datas"][0]),
Data.fromJSON(vectors["datas"][1]),
Data.fromJSON(vectors["datas"][2])
]
#Transactions.
transactions: Transactions = Transactions()
for data in datas:
transactions.add(data)
#Initial Data's Verification.
verif: SignedVerification = SignedVerification.fromSignedJSON(
vectors["verification"])
#MeritRemoval.
#pylint: disable=no-member
removal: SignedMeritRemoval = SignedMeritRemoval.fromSignedJSON(
keys, vectors["removal"])
#Create and execute a Liver to cause a Signed MeritRemoval.
def sendElements() -> None:
#Send the Datas.
for data in datas:
if rpc.meros.transaction(data) != rpc.meros.recv():
raise TestError("Meros didn't send us the Data.")
#Send the initial Data's verification.
if rpc.meros.signedElement(verif) != rpc.meros.recv():
raise TestError("Meros didn't us the initial Data's Verification.")
#Send the first Element.
if rpc.meros.signedElement(removal.se1) != rpc.meros.recv():
raise TestError("Meros didn't send us the Verification.")
#Trigger the MeritRemoval.
rpc.meros.signedElement(removal.se2)
if rpc.meros.recv() != (MessageType.SignedMeritRemoval.toByte() +
removal.signedSerialize(nicks)):
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 1, 1, removal.holder, True)
Liver(rpc,
vectors["blockchain"],
transactions,
callbacks={
1: sendElements,
2: lambda: verifyMeritRemoval(rpc, 1, 1, removal.holder, False)
}).live()
#Create and execute a Liver to handle a Signed MeritRemoval.
def sendMeritRemoval() -> None:
#Send the Datas.
for data in datas:
if rpc.meros.transaction(data) != rpc.meros.recv():
raise TestError("Meros didn't send us the Data.")
#Send the initial Data's verification.
if rpc.meros.signedElement(verif) != rpc.meros.recv():
raise TestError("Meros didn't us the initial Data's Verification.")
#Send and verify the MeritRemoval.
if rpc.meros.signedElement(removal) != rpc.meros.recv():
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 1, 1, removal.holder, True)
Liver(rpc,
vectors["blockchain"],
transactions,
callbacks={
1: sendMeritRemoval,
2: lambda: verifyMeritRemoval(rpc, 1, 1, removal.holder, False)
}).live()
#Create and execute a Syncer to handle a Signed MeritRemoval.
Syncer(rpc, vectors["blockchain"], transactions).sync()
verifyMeritRemoval(rpc, 1, 1, removal.holder, False)
def HTTPacketTest(rpc: RPC) -> None:
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/MeritRemoval/HundredTwentyThree/Packet.json",
"r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Datas.
datas: List[Data] = [
Data.fromJSON(vectors["datas"][0]),
Data.fromJSON(vectors["datas"][1]),
Data.fromJSON(vectors["datas"][2])
]
#Transactions.
transactions: Transactions = Transactions()
for data in datas:
transactions.add(data)
def testBlockchain(i: int) -> None:
#First MeritRemoval.
mr: SignedMeritRemoval = SignedMeritRemoval.fromSignedJSON(
vectors["removals"][i])
def sendMeritRemoval() -> None:
#Send the Datas.
for data in datas:
if rpc.meros.liveTransaction(data) != rpc.meros.live.recv():
raise TestError("Meros didn't send us the Data.")
#Send and verify the MeritRemoval.
if rpc.meros.signedElement(mr) != rpc.meros.live.recv():
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 1, 1, mr.holder, True)
def sendRepeatMeritRemoval() -> None:
#Send the Block containing the modified Merit Removal.
block: Block = Block.fromJSON(vectors["blockchains"][i][-1])
rpc.meros.liveBlockHeader(block.header)
#Flag of if the Block's Body synced.
blockBodySynced: bool = False
#Handle sync requests.
reqHash: bytes = bytes()
while True:
if blockBodySynced:
#Sleep for a second so Meros handles the Block.
sleep(1)
#Try receiving from the Live socket, where Meros sends keep-alives.
try:
if len(rpc.meros.live.recv()) != 0:
raise Exception()
except TestError:
#Verify the height is 3.
#The genesis Block, the Block granting Merit, and the Block containing the MeritRemoval originally.
try:
if rpc.call("merit", "getHeight") != 3:
raise Exception()
except Exception:
raise TestError(
"Node added a Block containg a repeat MeritRemoval."
)
#Since the node didn't add the Block, raise SuccessError.
raise SuccessError(
"Node didn't add a Block containing a repeat MeritRemoval."
)
except Exception:
raise TestError("Meros sent a keep-alive.")
msg: bytes = rpc.meros.sync.recv()
if MessageType(msg[0]) == MessageType.BlockBodyRequest:
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for a Block Body that didn't belong to the Block we just sent it."
)
#Send the BlockBody.
blockBodySynced = True
rpc.meros.blockBody(block)
else:
raise TestError("Unexpected message sent: " +
msg.hex().upper())
Liver(rpc,
vectors["blockchains"][i],
transactions,
callbacks={
1: sendMeritRemoval,
2: sendRepeatMeritRemoval
}).live()
for b in range(2):
testBlockchain(b)
def HundredSixBlockElementsTest(rpc: RPC) -> None:
#Load the vectors.
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/HundredSix/BlockElements.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Blockchain. Solely used to get the genesis Block hash.
blockchain: Blockchain = Blockchain()
#Transactions.
transactions: Transactions = Transactions.fromJSON(vectors["transactions"])
#Parse the Blocks from the vectors.
blocks: List[Block] = []
for block in vectors["blocks"]:
blocks.append(Block.fromJSON({}, block))
for block in blocks:
#Handshake with the node.
rpc.meros.connect(254, 254, blockchain.blocks[0].header.hash)
#Send the Block.
rpc.meros.blockHeader(block.header)
#Flag of if the Block's Body synced.
blockBodySynced: bool = False
#Handle sync requests.
reqHash: bytes = bytes()
while True:
try:
msg: bytes = rpc.meros.recv()
except TestError:
if not blockBodySynced:
raise TestError(
"Node disconnected us before syncing the body.")
#Verify the node didn't crash.
try:
if rpc.call("merit", "getHeight") != 1:
raise Exception()
except Exception:
raise TestError(
"Node crashed after being sent a malformed Element.")
#Since the node didn't crash, break out of this loop to trigger the next test case.
break
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.syncingAcknowledged()
elif MessageType(msg[0]) == MessageType.BlockBodyRequest:
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for a Block Body that didn't belong to the Block we just sent it."
)
#Send the BlockBody.
blockBodySynced = True
rpc.meros.blockBody([], block)
elif MessageType(msg[0]) == MessageType.SketchHashesRequest:
if not block.body.packets:
raise TestError(
"Meros asked for Sketch Hashes from a Block without any."
)
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for Sketch Hashes that didn't belong to the Block we just sent it."
)
#Create the haashes.
hashes: List[int] = []
for packet in block.body.packets:
hashes.append(Sketch.hash(block.header.sketchSalt, packet))
#Send the Sketch Hashes.
rpc.meros.sketchHashes(hashes)
elif MessageType(msg[0]) == MessageType.SketchHashRequests:
if not block.body.packets:
raise TestError(
"Meros asked for Verification Packets from a Block without any."
)
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for Verification Packets that didn't belong to the Block we just sent it."
)
#Create a lookup of hash to packets.
packets: Dict[int, VerificationPacket] = {}
for packet in block.body.packets:
packets[Sketch.hash(block.header.sketchSalt,
packet)] = packet
#Look up each requested packet and respond accordingly.
for h in range(int.from_bytes(msg[33:37], byteorder="big")):
sketchHash: int = int.from_bytes(msg[37 + (h * 8):45 +
(h * 8)],
byteorder="big")
if sketchHash not in packets:
raise TestError(
"Meros asked for a non-existent Sketch Hash.")
rpc.meros.packet(packets[sketchHash])
elif MessageType(msg[0]) == MessageType.TransactionRequest:
reqHash = msg[1:33]
if reqHash not in transactions.txs:
raise TestError(
"Meros asked for a non-existent Transaction.")
rpc.meros.transaction(transactions.txs[reqHash])
elif MessageType(msg[0]) == MessageType.SyncingOver:
pass
elif MessageType(msg[0]) == MessageType.BlockHeader:
#Raise a TestError if the Block was added.
raise TestError("Meros synced a Block with an invalid holder.")
else:
raise TestError("Unexpected message sent: " +
msg.hex().upper())
#Reset the node.
rpc.reset()
def PartialTest(
rpc: RPC
) -> None:
file: IO[Any] = open("PythonTests/Vectors/Consensus/MeritRemoval/Partial.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Blockchain
blockchain: Blockchain = Blockchain.fromJSON(
b"MEROS_DEVELOPER_NETWORK",
60,
int("FAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA", 16),
vectors["blockchain"]
)
#MeritRemoval.
removal: PartiallySignedMeritRemoval = PartiallySignedMeritRemoval.fromJSON(vectors["removal"])
#Consensus.
consensus: Consensus = Consensus(
bytes.fromhex("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"),
bytes.fromhex("CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC")
)
consensus.add(removal.e1)
consensus.add(removal)
#Transactions.
transactions: Transactions = Transactions()
transactions.add(Data.fromJSON(vectors["data"]))
#Create and execute a Liver to cause a Partial MeritRemoval.
def sendElement() -> None:
#Send the second Element.
rpc.meros.signedElement(removal.se2)
#Verify the MeritRemoval.
if rpc.meros.recv() != (MessageType.SignedMeritRemoval.toByte() + removal.signedSerialize()):
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 2, 200, removal, True)
Liver(
rpc,
blockchain,
consensus,
transactions,
callbacks={
2: sendElement,
3: lambda: verifyMeritRemoval(rpc, 2, 200, removal, False)
}
).live()
#Create and execute a Liver to handle a Partial MeritRemoval.
def sendMeritRemoval() -> None:
#Send and verify the MeritRemoval.
if rpc.meros.signedElement(removal) != rpc.meros.recv():
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 2, 200, removal, True)
Liver(
rpc,
blockchain,
consensus,
transactions,
callbacks={
2: sendMeritRemoval,
3: lambda: verifyMeritRemoval(rpc, 2, 200, removal, False)
}
).live()
#Create and execute a Syncer to handle a Partial MeritRemoval.
Syncer(rpc, blockchain, consensus, transactions).sync()
verifyMeritRemoval(rpc, 2, 200, removal, False)
def VParsableTest(rpc: RPC) -> None:
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/Verification/Parsable.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Blockchain.
blockchain: Blockchain = Blockchain.fromJSON(
b"MEROS_DEVELOPER_NETWORK", 60,
int(
"FAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
16), vectors["blockchain"])
#Consensus.
consensus: Consensus = Consensus(
bytes.fromhex(
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
),
bytes.fromhex(
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
),
)
consensus.add(SignedVerification.fromJSON(vectors["verification"]))
#Transactions.
transactions: Transactions = Transactions()
transactions.add(Data.fromJSON(vectors["data"]))
#Handshake with the node.
rpc.meros.connect(254, 254, 3)
sentLast: bool = False
reqHash: bytes = bytes()
msg: bytes = bytes()
height: int = 0
while True:
try:
msg = rpc.meros.recv()
except TestError as e:
if (not sentLast) or (str(e) != "Node disconnected us as a peer."):
raise e
break
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.acknowledgeSyncing()
elif MessageType(msg[0]) == MessageType.GetBlockHash:
height = int.from_bytes(msg[1:5], "big")
if height == 0:
rpc.meros.blockHash(blockchain.last())
else:
if height >= len(blockchain.blocks):
raise TestError(
"Meros asked for a Block Hash we do not have.")
rpc.meros.blockHash(blockchain.blocks[height].header.hash)
elif MessageType(msg[0]) == MessageType.BlockHeaderRequest:
reqHash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == reqHash:
rpc.meros.blockHeader(block.header)
break
if block.header.hash == blockchain.last():
raise TestError(
"Meros asked for a Block Header we do not have.")
elif MessageType(msg[0]) == MessageType.BlockBodyRequest:
reqHash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == reqHash:
rpc.meros.blockBody(block.body)
break
if block.header.hash == blockchain.last():
raise TestError(
"Meros asked for a Block Body we do not have.")
elif MessageType(msg[0]) == MessageType.ElementRequest:
holder: bytes = msg[1:49]
rpc.meros.element(consensus.holders[holder][int.from_bytes(
msg[49:53], "big")])
elif MessageType(msg[0]) == MessageType.TransactionRequest:
sentLast = True
rpc.meros.transaction(transactions.txs[msg[1:49]])
elif MessageType(msg[0]) == MessageType.SyncingOver:
pass
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
from PythonTests.Classes.Merit.Blockchain import Blockchain
#Ed25519 lib.
import ed25519
#Blake2b standard function.
from hashlib import blake2b
#JSON standard lib.
import json
cmFile: IO[Any] = open("PythonTests/Vectors/Transactions/ClaimedMint.json",
"r")
cmVectors: Dict[str, Any] = json.loads(cmFile.read())
#Transactions.
transactions: Transactions = Transactions.fromJSON(cmVectors["transactions"])
#Blockchain.
blockchain: Blockchain = Blockchain.fromJSON(cmVectors["blockchain"])
cmFile.close()
#SpamFilter.
sendFilter: SpamFilter = SpamFilter(3)
#Ed25519 keys.
edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key()
#BLS keys.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
def VParsableTest(rpc: RPC) -> None:
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/Verification/Parsable.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
#Merit.
merit: Merit = Merit.fromJSON(vectors["blockchain"])
#Transactions.
transactions: Transactions = Transactions()
transactions.add(Data.fromJSON(vectors["data"]))
#Custom function to send the last Block and verify it errors at the right place.
def checkFail() -> None:
#This Block should cause the node to disconnect us AFTER it syncs our Transaction.
syncedTX: bool = False
#Grab the Block.
block: Block = merit.blockchain.blocks[2]
#Send the Block.
rpc.meros.blockHeader(block.header)
#Handle sync requests.
reqHash: bytes = bytes()
while True:
try:
msg: bytes = rpc.meros.recv()
except TestError:
if syncedTX:
raise SuccessError(
"Node disconnected us after we sent a parsable, yet invalid, Transaction/Verification."
)
raise TestError("Node errored before syncing our Transaction.")
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.syncingAcknowledged()
elif MessageType(msg[0]) == MessageType.BlockBodyRequest:
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for a Block Body that didn't belong to the Block we just sent it."
)
#Send the BlockBody.
rpc.meros.blockBody(merit.state.nicks, block)
elif MessageType(msg[0]) == MessageType.SketchHashesRequest:
if not block.body.packets:
raise TestError(
"Meros asked for Sketch Hashes from a Block without any."
)
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for Sketch Hashes that didn't belong to the Block we just sent it."
)
#Create the haashes.
hashes: List[int] = []
for packet in block.body.packets:
hashes.append(Sketch.hash(block.header.sketchSalt, packet))
#Send the Sketch Hashes.
rpc.meros.sketchHashes(hashes)
elif MessageType(msg[0]) == MessageType.SketchHashRequests:
if not block.body.packets:
raise TestError(
"Meros asked for Verification Packets from a Block without any."
)
reqHash = msg[1:33]
if reqHash != block.header.hash:
raise TestError(
"Meros asked for Verification Packets that didn't belong to the Block we just sent it."
)
#Create a lookup of hash to packets.
packets: Dict[int, VerificationPacket] = {}
for packet in block.body.packets:
packets[Sketch.hash(block.header.sketchSalt,
packet)] = packet
#Look up each requested packet and respond accordingly.
for h in range(int.from_bytes(msg[33:37], byteorder="big")):
sketchHash: int = int.from_bytes(msg[37 + (h * 8):45 +
(h * 8)],
byteorder="big")
if sketchHash not in packets:
raise TestError(
"Meros asked for a non-existent Sketch Hash.")
rpc.meros.packet(packets[sketchHash])
elif MessageType(msg[0]) == MessageType.TransactionRequest:
reqHash = msg[1:33]
if reqHash not in transactions.txs:
raise TestError(
"Meros asked for a non-existent Transaction.")
rpc.meros.transaction(transactions.txs[reqHash])
syncedTX = True
elif MessageType(msg[0]) == MessageType.SyncingOver:
pass
elif MessageType(msg[0]) == MessageType.BlockHeader:
#Raise a TestError if the Block was added.
raise TestError(
"Meros synced a Verification which verified a parsable, yet invalid, Transaction."
)
else:
raise TestError("Unexpected message sent: " +
msg.hex().upper())
#Create and execute a Liver.
Liver(rpc, vectors["blockchain"], transactions, callbacks={
1: checkFail
}).live()
