#Blockchain classes.
from PythonTests.Classes.Merit.BlockHeader import BlockHeader
from PythonTests.Classes.Merit.BlockBody import BlockBody
from PythonTests.Classes.Merit.Block import Block
from PythonTests.Classes.Merit.Blockchain import Blockchain
#Blake2b standard function.
from hashlib import blake2b
#JSON standard lib.
import json
#Blockchain.
bbFile: IO[Any] = open("PythonTests/Vectors/Merit/BlankBlocks.json", "r")
blocks: List[Dict[str, Any]] = json.loads(bbFile.read())
blockchain: Blockchain = Blockchain.fromJSON(blocks)
bbFile.close()
#BLS Keys.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Create a DataDifficulty.
dataDiff: SignedDataDifficulty = SignedDataDifficulty(bytes.fromhex("AA" * 32), 0)
dataDiff.sign(0, blsPrivKey)
#Generate a Block containing the DataDifficulty.
block = Block(
BlockHeader(
0,
blockchain.last(),
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())
def verify() -> None:
verifyMeritRemoval(rpc, 1, 1, removal.holder, False)
verifyBlockchain(rpc, Blockchain.fromJSON(vectors["blockchain"]))
raise SuccessError(
"MeritRemoval and Blockchain were properly handled.")
"r")
cmVectors: Dict[str, Any] = json.loads(cmFile.read())
#Transactions.
transactions: Transactions = Transactions.fromJSON(cmVectors["transactions"])
#Consensus.
consensus: Consensus = Consensus.fromJSON(
bytes.fromhex(
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
),
bytes.fromhex(
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
), cmVectors["consensus"])
#Blockchain.
blockchain: Blockchain = Blockchain.fromJSON(
b"MEROS_DEVELOPER_NETWORK", 60,
int(
"FAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
16), cmVectors["blockchain"])
cmFile.close()
#Ed25519 keys.
edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key()
#BLS keys.
blsPrivKey1: blspy.PrivateKey = blspy.PrivateKey.from_seed(b'\0')
blsPubKey1: blspy.PublicKey = blsPrivKey1.get_public_key()
blsPrivKey2: blspy.PrivateKey = blspy.PrivateKey.from_seed(b'\1')
blsPubKey2: blspy.PublicKey = blsPrivKey2.get_public_key()
def VUnknownTest(
rpc: RPC
) -> None:
file: IO[Any] = open("PythonTests/Vectors/Consensus/Verification/Parsable.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
#SignedVerification.
sv: SignedVerification = SignedVerification.fromJSON(vectors["verification"])
#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
reqHash: 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], "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:
rpc.meros.element(sv)
elif MessageType(msg[0]) == MessageType.TransactionRequest:
sentLast = True
rpc.meros.dataMissing()
elif MessageType(msg[0]) == MessageType.SyncingOver:
if sentLast:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#Verify the Verification and Block were not added.
if rpc.call("consensus", "getHeight", [sv.holder.hex()]) != 0:
raise TestError("Meros added an unknown Verification.")
if rpc.call("merit", "getHeight") != 2:
raise TestError("Meros added a Block with an unknown Verification.")