def __init__(
self,
sendDiff: bytes,
dataDiff: bytes
) -> None:
self.sendFilter = SpamFilter(sendDiff)
self.dataFilter = SpamFilter(dataDiff)
self.holders: Dict[bytes, List[Element]] = {}
def __init__(self,
txInput: bytes,
data: bytes,
signature: bytes = bytes(64),
proof: int = 0) -> None:
self.txInput: bytes = txInput
self.data: bytes = data
self.hash: bytes = blake2b(b"\3" + txInput + data,
digest_size=32).digest()
self.signature: bytes = signature
self.proof: int = proof
self.argon: bytes = SpamFilter.run(self.hash, self.proof)
def __init__(self,
inputs: List[Tuple[bytes, int]],
outputs: List[Tuple[bytes, int]],
signature: bytes = bytes(64),
proof: int = 0) -> None:
self.inputs: List[Tuple[bytes, int]] = inputs
self.outputs: List[Tuple[bytes, int]] = outputs
self.hash = blake2b(b"\2" + self.serializeInputs() +
self.serializeOutputs(),
digest_size=32).digest()
self.signature: bytes = signature
self.proof: int = proof
self.argon: bytes = SpamFilter.run(self.hash, self.proof)
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 DataTest(rpc: RPC) -> None:
#Create the Spam Filter.
spamFilter: SpamFilter = SpamFilter(
bytes.fromhex(
"CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC"
))
#Create the Data.
data: Data = Data(pubKey.to_bytes().rjust(48, b'\0'),
b"Hello There! General Kenobi.")
data.sign(privKey)
data.beat(spamFilter)
#Handshake with the node.
rpc.meros.connect(254, 254, 0)
#Send the Data.
rpc.meros.transaction(data)
#Verify the Data.
verifyTransaction(rpc, data)
def DataTest(rpc: RPC) -> None:
#Get the genesis hash.
genesis: bytes = Blockchain().blocks[0].header.hash
#Create the Spam Filter.
spamFilter: SpamFilter = SpamFilter(5)
#Create the Data.
data: Data = Data(bytes(32), pubKey.to_bytes())
data.sign(privKey)
data.beat(spamFilter)
#Handshake with the node.
rpc.meros.liveConnect(genesis)
#Send the Data.
rpc.meros.liveTransaction(data)
#Sleep for 100 milliseconds.
sleep(0.1)
#Verify the Data.
verifyTransaction(rpc, data)
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()
#Grab the Claim hash.
claim: bytes = blockchain.blocks[-1].body.packets[0].hash
#Create a Send spending it twice.
send: Send = Send(
[(claim, 0), (claim, 0)],
#Blake2b standard function.
from hashlib import blake2b
#JSON standard lib.
import json
#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()
#SpamFilter.
spamFilter: SpamFilter = SpamFilter(5)
#Blockchains.
packetedChain: Blockchain = Blockchain()
reorderedChain: Blockchain = Blockchain()
#Generate a Block granting the holder Merit.
block = Block(
BlockHeader(0, packetedChain.last(), bytes(32), 1, bytes(4), bytes(32),
blsPubKey.serialize(),
packetedChain.blocks[-1].header.time + 1200), BlockBody())
#Mine it.
block.mine(blsPrivKey, packetedChain.difficulty())
#Add it.
packetedChain.add(block)
#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.
for i in range(5):
merit.add(Block.fromJSON(merit.blockchain.keys, blankBlocks[i]))
#Create the Data.
data: Data = Data(bytes(32), edPubKey.to_bytes())
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(bytes.fromhex("AA" * 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()
#Grab the Claim hash.
claim: bytes = blockchain.blocks[-1].body.packets[0].hash
#Create a Send spending it twice.
send: Send = Send(
[(claim, 0), (claim, 0)],
def EightyEightTest(rpc: RPC) -> None:
#Ed25519 key.
edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key()
#BLS key.
blsPrivKey: PrivateKey = PrivateKey(
blake2b(b'\0', digest_size=32).digest())
blsPubKey: str = blsPrivKey.toPublicKey().serialize().hex()
#Blocks.
file: IO[Any] = open("PythonTests/Vectors/Merit/BlankBlocks.json", "r")
blocks: List[Dict[str, Any]] = json.loads(file.read())
file.close()
#Merit.
merit: Merit = Merit()
#Spam Filter.
dataFilter: SpamFilter = SpamFilter(bytes.fromhex("CC" * 32))
#Handshake with the node.
rpc.meros.connect(254, 254, merit.blockchain.blocks[0].header.hash)
#Send the first Block.
block: Block = Block.fromJSON(merit.blockchain.keys, blocks[0])
merit.blockchain.add(block)
rpc.meros.blockHeader(block.header)
#Handle sync requests.
reqHash: bytes = bytes()
while True:
msg: bytes = rpc.meros.recv()
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.SyncingOver:
pass
elif MessageType(msg[0]) == MessageType.BlockHeader:
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
#Create two Datas.
datas: List[Data] = [Data(bytes(32), edPubKey.to_bytes())]
datas.append(Data(datas[0].hash, b"Hello there! General Kenobi."))
for data in datas:
#Sign them and have them beat the spam filter.
data.sign(edPrivKey)
data.beat(dataFilter)
#Transmit them.
rpc.meros.transaction(data)
#Verify both.
verifs: List[SignedVerification] = [
SignedVerification(datas[0].hash),
SignedVerification(datas[1].hash)
]
for verif in verifs:
verif.sign(0, blsPrivKey)
#Only transmit the second.
rpc.meros.signedElement(verifs[1])
sleep(0.5)
#Verify the block template has no verifications.
if bytes.fromhex(
rpc.call("merit", "getBlockTemplate",
[blsPubKey])["header"])[36:68] != bytes(32):
raise TestError("Block template has Verification Packets.")
#Transmit the first signed verification.
rpc.meros.signedElement(verifs[0])
sleep(0.5)
#Verify the block template has both verifications.
template: Dict[str, Any] = rpc.call("merit", "getBlockTemplate",
[blsPubKey])
template["header"] = bytes.fromhex(template["header"])
packets: List[VerificationPacket] = [
VerificationPacket(datas[0].hash, [0]),
VerificationPacket(datas[1].hash, [0])
]
if template["header"][36:68] != BlockHeader.createContents(
merit.state.nicks, packets):
raise TestError(
"Block template doesn't have both Verification Packets.")
#Mine the Block.
block = Block(
BlockHeader(
0,
block.header.hash,
BlockHeader.createContents(merit.state.nicks, packets),
1,
template["header"][-43:-39],
BlockHeader.createSketchCheck(template["header"][-43:-39],
packets),
0,
int.from_bytes(template["header"][-4:], byteorder="big"),
),
BlockBody(
packets, [],
Signature.aggregate([verifs[0].signature, verifs[1].signature])))
if block.header.serializeHash()[:-4] != template["header"]:
raise TestError("Failed to recreate the header.")
if block.body.serialize(merit.state.nicks, block.header.sketchSalt,
len(packets)) != bytes.fromhex(template["body"]):
raise TestError("Failed to recreate the body.")
block.mine(blsPrivKey, merit.blockchain.difficulty())
merit.blockchain.add(block)
#Publish it.
rpc.call("merit", "publishBlock", [
template["id"],
(template["header"] + block.header.proof.to_bytes(4, byteorder="big") +
block.header.signature + block.body.serialize(
merit.state.nicks, block.header.sketchSalt, len(packets))).hex()
])
#Verify the Blockchain.
verifyBlockchain(rpc, merit.blockchain)
def beat(self, spamFilter: SpamFilter) -> None:
result: Tuple[bytes, int] = spamFilter.beat(self.hash)
self.argon = result[0]
self.proof = result[1]
from hashlib import blake2b #JSON standard lib. import json #Blockchain. Solely used to get the genesis Block hash. blockchain: Blockchain = Blockchain() #Block vectors. blocks: List[Dict[str, Any]] = [] #Transactions. transactions: Transactions = Transactions() #Spam Filter. dataFilter: SpamFilter = SpamFilter(5) #Ed25519 keys. edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32) edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key() #BLS Private Key. blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest()) #Create a Data for the VerificationPacket. data: Data = Data(bytes(32), edPubKey.to_bytes()) data.sign(edPrivKey) data.beat(dataFilter) transactions.add(data) #Generate the VerificationPacket Block.
def beat(self, spamFilter: SpamFilter) -> None:
result: Tuple[bytes, int] = spamFilter.beat(
self.hash,
(70 + (33 * len(self.inputs)) + (40 * len(self.outputs))) // 143)
self.argon = result[0]
self.proof = result[1]
def HundredFiftyFiveTest(rpc: RPC) -> None:
#Ed25519 keys.
edPrivKeys: List[ed25519.SigningKey] = [
ed25519.SigningKey(b'\0' * 32),
ed25519.SigningKey(b'\1' * 32)
]
edPubKeys: List[ed25519.VerifyingKey] = [
edPrivKeys[0].get_verifying_key(), edPrivKeys[1].get_verifying_key()
]
#BLS keys.
blsPrivKey: PrivateKey = PrivateKey(
bytes.fromhex(rpc.call("personal", "getMiner")))
blsPubKey: bytes = blsPrivKey.toPublicKey().serialize()
#Blockchain.
blockchain: Blockchain = Blockchain()
#Spam Filter.
dataFilter: SpamFilter = SpamFilter(5)
#Handshake with the node.
rpc.meros.liveConnect(blockchain.blocks[0].header.hash)
rpc.meros.syncConnect(blockchain.blocks[0].header.hash)
#Call getBlockTemplate just to get an ID.
#Skips the need to write a sync loop for the BlockBody.
template: Dict[str, Any] = rpc.call("merit", "getBlockTemplate",
[blsPubKey.hex()])
#Mine a Block.
block = Block(
BlockHeader(0, blockchain.blocks[0].header.hash, bytes(32), 1,
bytes(4), bytes(32), blsPubKey,
blockchain.blocks[0].header.time + 1200, 0), BlockBody())
block.mine(blsPrivKey, blockchain.difficulty())
blockchain.add(block)
#Publish it.
rpc.call("merit", "publishBlock",
[template["id"], block.serialize().hex()])
#Handle the fact Meros will now broadcast it to us.
if MessageType(rpc.meros.live.recv()[0]) != MessageType.BlockHeader:
raise TestError("Meros didn't broadcast the Block it just published.")
#Create the Datas.
datas: List[Data] = [
Data(bytes(32), edPubKeys[0].to_bytes()),
Data(bytes(32), edPubKeys[1].to_bytes())
]
for d in range(len(datas)):
#Sign, and mine the Data.
datas[d].sign(edPrivKeys[d])
datas[d].beat(dataFilter)
#Send the Data and verify Meros sends it back.
if rpc.meros.liveTransaction(datas[d]) != rpc.meros.live.recv():
raise TestError("Meros didn't send back the Data.")
#Verify Meros sends back a Verification.
res: bytes = rpc.meros.live.recv()
if MessageType(res[0]) != MessageType.SignedVerification:
raise TestError("Meros didn't send a SignedVerification.")
verif: SignedVerification = SignedVerification(datas[d].hash)
verif.sign(0, blsPrivKey)
if res[1:] != verif.signedSerialize():
raise TestError(
"Meros didn't send the correct SignedVerification.")
#Add it.
blockchain.add(block)
print("Generated Same Element Block " + str(len(blockchain.blocks)) + ".")
#Create a SendDifficulty.
sendDiff: SignedSendDifficulty = SignedSendDifficulty(4, 0)
sendDiff.sign(0, blsPrivKey)
#Create a DataDifficulty.
dataDiff: SignedDataDifficulty = SignedDataDifficulty(4, 0)
dataDiff.sign(0, blsPrivKey)
#Create a Data.
data: Data = Data(bytes(32), edPubKey.to_bytes())
data.sign(edPrivKey)
data.beat(SpamFilter(5))
#Create a Verification.
verif: SignedVerification = SignedVerification(data.hash)
verif.sign(0, blsPrivKey)
#Create a MeritRemovalVerificationPacket verifying the same Transaction as the Verification.
packet: SignedMeritRemovalVerificationPacket = SignedMeritRemovalVerificationPacket(
SignedVerificationPacket(data.hash),
[blsPubKey.serialize()],
verif.signature
)
#Create the three MeritRemovals.
sendDiffMR: SignedMeritRemoval = SignedMeritRemoval(sendDiff, sendDiff)
dataDiffMR: SignedMeritRemoval = SignedMeritRemoval(dataDiff, dataDiff)