def fromJSON(json: Dict[str, Dict[str, Any]]) -> Any:
result = Transactions()
for tx in json:
if json[tx]["descendant"] == "Claim":
result.add(Claim.fromJSON(json[tx]))
elif json[tx]["descendant"] == "Send":
result.add(Send.fromJSON(json[tx]))
elif json[tx]["descendant"] == "Data":
result.add(Data.fromJSON(json[tx]))
else:
raise Exception("JSON has an unsupported Transaction type: " +
json[tx]["descendant"])
return result
def MRPALiveTest(rpc: RPC) -> None:
file: IO[Any] = open(
"python_tests/Vectors/Consensus/MeritRemoval/PendingActions.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
#Datas.
datas: List[Data] = []
for data in vectors["datas"]:
datas.append(Data.fromJSON(data))
#SignedVerifications.
verifs: List[SignedVerification] = []
for verif in vectors["verifications"]:
verifs.append(SignedVerification.fromJSON(verif))
#Removal.
removal: SignedMeritRemoval = SignedMeritRemoval.fromJSON(
vectors["removal"])
#Consensus.
consensus: Consensus = Consensus(
bytes.fromhex(
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
),
bytes.fromhex(
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
),
)
consensus.add(verifs[0])
consensus.add(verifs[1])
consensus.add(verifs[2])
consensus.add(removal)
#Blockchain.
blockchain: Blockchain = Blockchain.fromJSON(
b"MEROS_DEVELOPER_NETWORK", 60,
int(
"FAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
16), vectors["blockchain"])
file.close()
#Handshake with the node.
rpc.meros.connect(254, 254, len(blockchain.blocks) - 2)
hash: bytes = bytes()
msg: bytes = bytes()
height: int = 0
while True:
msg = rpc.meros.recv()
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.acknowledgeSyncing()
elif MessageType(msg[0]) == MessageType.GetBlockHash:
height = int.from_bytes(msg[1:5], byteorder="big")
if height == 0:
rpc.meros.blockHash(blockchain.blocks[1].header.hash)
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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.SyncingOver:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#Send the Datas.
for data in datas:
if rpc.meros.transaction(data) != rpc.meros.recv():
raise TestError("Unexpected message sent.")
#Send the Verifications.
for verif in verifs:
if rpc.meros.signedElement(verif) != rpc.meros.recv():
raise TestError("Unexpected message sent.")
#Verify every Data has 100 Merit.
for data in datas:
if rpc.call("transactions", "getMerit", [data.hash.hex()]) != {
"merit": 100
}:
raise TestError(
"Meros didn't verify Transactions with received Verifications."
)
#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, 100, removal, True)
#Verify every Data has 100 Merit.
for data in datas:
if rpc.call("transactions", "getMerit", [data.hash.hex()]) != {
"merit": 0
}:
raise TestError(
"Meros didn't revert pending actions of a malicious MeritHolder."
)
#Send the next Block.
rpc.meros.blockHeader(blockchain.blocks[-2].header)
while True:
msg = rpc.meros.recv()
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.acknowledgeSyncing()
elif MessageType(msg[0]) == MessageType.GetBlockHash:
height = int.from_bytes(msg[1:5], byteorder="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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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.SyncingOver:
pass
elif MessageType(msg[0]) == MessageType.BlockHeader:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#Update the MeritRemoval's nonce.
removal.nonce = 3
#Verify the Datas have the Merit they should.
for d in range(len(datas)):
if rpc.call("transactions", "getMerit", [datas[d].hash.hex()]) != {
"merit": 100 if d < 3 else 0
}:
raise TestError(
"Meros didn't apply reverted pending actions of a malicious MeritHolder."
)
#Verify the MeritRemoval is now accessible with a nonce of 3.
verifyMeritRemoval(rpc, 4, 200, removal, True)
#Archive the MeritRemoval.
rpc.meros.blockHeader(blockchain.blocks[-1].header)
while True:
msg = rpc.meros.recv()
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.acknowledgeSyncing()
elif MessageType(msg[0]) == MessageType.GetBlockHash:
height = int.from_bytes(msg[1:5], byteorder="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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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.SyncingOver:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#Verify the Blockchain.
verifyBlockchain(rpc, blockchain)
#Verify the Consensus.
verifyConsensus(rpc, consensus)
#Verify the MeritRemoval again.
verifyMeritRemoval(rpc, 4, 200, removal, False)
def MRPLiveTest(rpc: RPC) -> None:
file: IO[Any] = open(
"python_tests/Vectors/Consensus/MeritRemoval/Partial.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
#Data.
data: Data = Data.fromJSON(vectors["data"])
#Consensus.
consensus: Consensus = Consensus(
bytes.fromhex(
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
),
bytes.fromhex(
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
))
#MeritRemoval.
removal: PartiallySignedMeritRemoval = PartiallySignedMeritRemoval.fromJSON(
vectors["removal"])
consensus.add(removal.e1)
consensus.add(removal)
#Blockchain.
blockchain: Blockchain = Blockchain.fromJSON(
b"MEROS_DEVELOPER_NETWORK", 60,
int(
"FAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
16), vectors["blockchain"])
file.close()
#Handshake with the node.
rpc.meros.connect(254, 254, len(blockchain.blocks) - 1)
sentLast: bool = False
hash: bytes = bytes()
msg: bytes = bytes()
while True:
msg = rpc.meros.recv()
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.acknowledgeSyncing()
elif MessageType(msg[0]) == MessageType.GetBlockHash:
height: int = int.from_bytes(msg[1:5], byteorder="big")
if height == 0:
rpc.meros.blockHash(blockchain.blocks[2].header.hash)
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
if msg[1:49] != removal.holder:
raise TestError(
"Meros asked for an Element from an unknown MeritHolder.")
if int.from_bytes(msg[49:53], byteorder="big") != 0:
raise TestError(
"Meros asked for an Element not mentioned in a record.")
rpc.meros.element(removal.e1)
elif MessageType(msg[0]) == MessageType.TransactionRequest:
sentLast = True
if msg[1:49] != data.hash:
raise TestError("Meros asked for a Transaction not mentioned.")
rpc.meros.transaction(data)
elif MessageType(msg[0]) == MessageType.SyncingOver:
if sentLast == True:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#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)
#Send the final Block.
rpc.meros.blockHeader(blockchain.blocks[-1].header)
while True:
msg = rpc.meros.recv()
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.acknowledgeSyncing()
elif MessageType(msg[0]) == MessageType.GetBlockHash:
height = int.from_bytes(msg[1:5], byteorder="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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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.SyncingOver:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#Verify the Blockchain.
verifyBlockchain(rpc, blockchain)
#Verify the MeritRemoval again.
verifyMeritRemoval(rpc, 2, 200, removal, False)
#Verify the Consensus.
verifyConsensus(rpc, consensus)
def MRSNCauseTest(rpc: RPC) -> None:
file: IO[Any] = open(
"python_tests/Vectors/Consensus/MeritRemoval/SameNonce.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
#Data.
data: Data = Data.fromJSON(vectors["data"])
#MeritRemoval.
removal: SignedMeritRemoval = SignedMeritRemoval.fromJSON(
vectors["removal"])
#Blockchain.
blockchain: Blockchain = Blockchain.fromJSON(
b"MEROS_DEVELOPER_NETWORK", 60,
int(
"FAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
16), vectors["blockchain"])
file.close()
#Handshake with the node.
rpc.meros.connect(254, 254, len(blockchain.blocks) - 1)
hash: bytes = bytes()
msg: bytes = bytes()
height: int = 0
while True:
msg = rpc.meros.recv()
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.acknowledgeSyncing()
elif MessageType(msg[0]) == MessageType.GetBlockHash:
height = int.from_bytes(msg[1:5], byteorder="big")
if height == 0:
rpc.meros.blockHash(blockchain.blocks[1].header.hash)
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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.SyncingOver:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#Send the Data/SignedVerifications.
if rpc.meros.transaction(data) != rpc.meros.recv():
raise TestError("Unexpected message sent.")
if rpc.meros.signedElement(removal.se1) != rpc.meros.recv():
raise TestError("Unexpected message sent.")
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, 1, 100, removal, True)
#Send the final Block.
rpc.meros.blockHeader(blockchain.blocks[-1].header)
while True:
msg = rpc.meros.recv()
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.acknowledgeSyncing()
elif MessageType(msg[0]) == MessageType.GetBlockHash:
height = int.from_bytes(msg[1:5], byteorder="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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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.SyncingOver:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#Verify the Blockchain.
verifyBlockchain(rpc, blockchain)
#Verify the MeritRemoval again.
verifyMeritRemoval(rpc, 1, 100, removal, False)
def VParsable(rpc: RPC) -> None:
file: IO[Any] = open(
"python_tests/Vectors/Consensus/Verification/Parsable.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
#Data.
data: Data = Data.fromJSON(vectors["data"])
#Consensus.
consensus: Consensus = Consensus(
bytes.fromhex(
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
),
bytes.fromhex(
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
),
)
sv: SignedVerification = SignedVerification.fromJSON(
vectors["verification"])
consensus.add(sv)
#Blockchain.
blockchain: Blockchain = Blockchain.fromJSON(
b"MEROS_DEVELOPER_NETWORK", 60,
int(
"FAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
16), vectors["blockchain"])
file.close()
#Handshake with the node.
rpc.meros.connect(254, 254, len(blockchain.blocks))
sentLast: bool = False
hash: bytes = bytes()
while True:
msg: bytes = rpc.meros.recv()
if MessageType(msg[0]) == MessageType.Syncing:
rpc.meros.acknowledgeSyncing()
elif MessageType(msg[0]) == MessageType.GetBlockHash:
height: int = int.from_bytes(msg[1:5], byteorder="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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
hash = msg[1:49]
for block in blockchain.blocks:
if block.header.hash == hash:
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:
rpc.meros.element(sv)
elif MessageType(msg[0]) == MessageType.TransactionRequest:
sentLast = True
rpc.meros.transaction(data)
elif MessageType(msg[0]) == MessageType.SyncingOver:
if sentLast:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#Verify the Blockchain.
verifyBlockchain(rpc, blockchain)
#Verify the Consensus.
verifyConsensus(rpc, consensus)
#Playback their messages.
rpc.meros.playback()